/* =========================================================================
   РЕМОНТНИК КВАРТИР — PREMIUM CONSTRUCTION DESIGN SYSTEM
   Premium apartment renovation. Premium + Trust + Construction + Modern UI.
   CLAUDE.md compliance: vanilla HTML/CSS/JS, no frameworks, data-first.
   ========================================================================= */

/* ========================================================================= */

/* =========================================================================
   DESIGN TOKENS
   ========================================================================= */
:root {
  /* BRAND COLORS */
  --color-brand-green: #669933;
  --color-brand-orange: #FD851C;

  /* NEUTRALS */
  --color-black: #171717;
  --color-dark: #242424;
  --color-gray-900: #303030;
  --color-gray-700: #555555;
  --color-gray-500: #6b6b6b;
  /* AA 4.5:1 on #F8F8F5 (was #777, 4.21:1) */
  --color-gray-300: #D6D6D6;
  --color-gray-200: #E8E8E8;
  --color-gray-100: #F4F4F1;

  --color-white: #FFFFFF;
  --color-background: #F8F8F5;

  /* SEMANTIC */
  --color-success: #669933;
  --color-error: #D64545;
  --color-warning: #FD851C;

  /* LEGACY ALIASES (for gradual migration) */
  --bg: var(--color-background);
  --bg-deep: var(--color-gray-100);
  --surface: var(--color-white);
  --ink: var(--color-black);
  --ink-2: var(--color-dark);
  --ink-3: var(--color-gray-900);
  --muted: var(--color-gray-500);
  --rule: var(--color-gray-200);
  --rule-soft: var(--color-gray-100);
  --depth: var(--color-gray-300);
  --depth-soft: var(--color-gray-200);
  --accent: var(--color-brand-orange);

  /* ECHO (hero title depth) — mapped to neutral scale */
  --echo-1: var(--color-gray-300);
  --echo-2: #c5c5c5;
  --echo-3: #cdcdcd;
  --echo-4: #d3d3d3;
  --echo-5: #d9d9d9;

  /* TYPE */
  --font-display-family: 'Golos Text', system-ui, -apple-system, sans-serif;
  --font-body: 'Manrope', system-ui, -apple-system, sans-serif;

  /* TYPOGRAPHY SCALE */
  --font-display: clamp(48px, 6vw, 88px);
  --font-h1: clamp(42px, 5vw, 72px);
  --font-h2: clamp(34px, 4vw, 52px);
  --font-h3: clamp(26px, 3vw, 36px);
  --font-body-large: 20px;
  --font-size-body: 17px;
  --font-body-small: 15px;
  --font-caption: 13px;

  /* SPACING */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 32px;
  --space-8: 40px;
  --space-9: 48px;
  --space-10: 64px;
  --space-11: 80px;
  --space-12: 96px;
  --space-13: 120px;
  --space-14: 160px;

  /* LEGACY SPACING ALIASES */
  --s-0: 0;
  --s-1: var(--space-2);
  --s-2: var(--space-4);
  --s-3: var(--space-6);
  --s-4: var(--space-8);
  --s-5: var(--space-10);
  --s-6: var(--space-11);
  --s-7: var(--space-12);
  --s-8: var(--space-13);
  --s-9: var(--space-14);

  /* RADIUS — soft rounded */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --radius-pill: 999px;

  /* LEGACY RADIUS ALIASES */
  --r-0: 0;
  --r-1: var(--radius-sm);
  --r-2: var(--radius-md);

  /* SHADOWS — ultra soft */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.10);

  /* LEGACY SHADOW ALIASES */
  --shadow-1: var(--shadow-sm);
  --shadow-2: var(--shadow-md);

  /* MOTION */
  --ease-preferred: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-precise: cubic-bezier(0.77, 0, 0.175, 1);
  --ease-soft: cubic-bezier(0.4, 0, 0.2, 1);
  --t-fast: 160ms var(--ease-preferred);
  --t-mid: 240ms var(--ease-preferred);
  --t-slow: 400ms var(--ease-preferred);

  /* LAYOUT */
  --max-w: 1440px;
  --gutter: clamp(1rem, 2.5vw, 2rem);
  --section-y: clamp(4rem, 8vw, 8rem);
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --t-fast: 0ms linear;
    --t-mid: 0ms linear;
    --t-slow: 0ms linear;
  }

  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}

/* =========================================================================
   2. RESET & BASE
   ========================================================================= */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.6;
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-variant-numeric: lining-nums proportional-nums;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

::selection {
  background: var(--color-brand-green);
  color: var(--color-white);
}

:focus-visible {
  outline: 2px solid var(--color-brand-orange);
  outline-offset: 3px;
}

/* =========================================================================
   3. LAYOUT
   ========================================================================= */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--ink);
  color: var(--bg);
  padding: 1rem 1.5rem;
  z-index: 200;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: top var(--t-fast);
}

.skip-link:focus {
  top: 0;
}

/* Anchor targets clear the fixed header */
section[id] {
  scroll-margin-top: 1.5rem;
}

@media (min-width: 1024px) {
  section[id] {
    scroll-margin-top: 10rem;
  }
}

/* 12-column grid container */
.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--gutter);
}

/* =========================================================================
   4. TYPOGRAPHY — Design System Premium Construction
   ========================================================================= */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display-family);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--ink);
  margin: 0;
  text-wrap: balance;
}

h1 {
  font-size: var(--font-h1);
  line-height: 1;
  letter-spacing: -0.04em;
}

h2 {
  font-size: var(--font-h2);
  line-height: 1;
  letter-spacing: -0.04em;
}

h3 {
  font-size: var(--font-h3);
  line-height: 1.1;
  letter-spacing: -0.04em;
}

h4 {
  font-size: 1.125rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

p {
  margin: 0 0 1em;
}

/* Editorial eyebrow — small caps, mono numerals */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: var(--font-caption);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-gray-500);
  margin: 0 0 1.25rem;
}

.eyebrow__num {
  font-family: var(--font-body);
  color: var(--ink);
  font-feature-settings: "tnum";
}

.eyebrow--marker {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.25rem;
}

.eyebrow--marker__num {
  font-family: var(--font-display-family);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
  line-height: 1;
}

.eyebrow--marker__label {
  font-family: var(--font-body);
  font-size: var(--font-caption);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-gray-500);
}

.section-title {
  font-size: var(--font-h2);
  line-height: 1;
  letter-spacing: -0.04em;
  margin: 0 0 1.25rem;
  max-width: 18ch;
}

.section-title__em {
  font-style: italic;
  font-weight: 700;
}

.section-lead {
  font-size: var(--font-body-large);
  line-height: 1.5;
  color: var(--color-gray-700);
  max-width: 56ch;
  margin: 0 0 2.5rem;
}

.section-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: clamp(3rem, 6vw, 6rem);
}

@media (min-width: 1024px) {
  .section-head {
    grid-template-columns: 5fr 7fr;
    gap: 4rem;
    align-items: end;
  }
}

.label {
  font-family: var(--font-body);
  font-size: var(--font-caption);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-gray-500);
}

/* =========================================================================
   5. BUTTONS — Design System Premium Construction
   ========================================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  height: 56px;
  padding: 0 28px;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast), box-shadow var(--t-fast), transform var(--t-fast);
  white-space: nowrap;
  line-height: 1;
}

.btn--primary {
  background: var(--color-brand-orange);
  color: var(--color-white);
  border-color: var(--color-brand-orange);
}

.btn--primary:hover {
  filter: brightness(0.92);
}

.btn--green {
  background: var(--color-brand-green);
  color: var(--color-white);
  border-color: var(--color-brand-green);
}

.btn--green:hover {
  filter: brightness(0.92);
}

.btn--ghost {
  background: var(--color-white);
  color: var(--color-black);
  border-color: var(--color-gray-300);
}

.btn--ghost:hover {
  background: var(--color-gray-100);
  border-color: var(--color-gray-300);
}

.btn--link {
  background: transparent;
  color: var(--color-brand-green);
  border: none;
  padding: 0;
  text-decoration: none;
  position: relative;
  font-weight: 500;
}

.btn--link::after {
  content: '→';
  margin-left: 0.5rem;
  transition: transform var(--t-fast);
  display: inline-block;
}

.btn--link:hover::after {
  transform: translateX(4px);
}

.btn--lg {
  height: 60px;
  padding: 0 32px;
  font-size: 0.9375rem;
  border-radius: var(--radius-lg);
}

.btn--block {
  width: 100%;
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* =========================================================================
   6. REVEAL & MOTION PRIMITIVES — Design System Premium Construction
   ========================================================================= */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--t-slow), transform var(--t-slow);
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

.echo {
  position: relative;
  display: inline-block;
}

.echo__base {
  position: relative;
  z-index: 5;
  color: var(--ink);
  display: inline-block;
}

.echo__layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  -webkit-text-stroke: 0.04em var(--echo-1);
  color: transparent;
  pointer-events: none;
  opacity: 0;
  transform: scale(1.02);
  transform-origin: center;
}

.echo__layer--1 {
  -webkit-text-stroke: 0.04em var(--echo-1);
}

.echo__layer--2 {
  -webkit-text-stroke: 0.08em var(--echo-2);
}

.echo__layer--3 {
  -webkit-text-stroke: 0.12em var(--echo-3);
}

.echo__layer--4 {
  -webkit-text-stroke: 0.16em var(--echo-4);
}

.echo__layer--5 {
  -webkit-text-stroke: 0.20em var(--echo-5);
}

@media (prefers-reduced-motion: reduce) {
  .echo__layer {
    opacity: 1;
    transform: none;
  }
}

/* Horizontal rule accent */
.hr-rule {
  display: block;
  height: 1px;
  background: var(--rule);
  border: 0;
  margin: 0;
}

/* =========================================================================
   7. HEADER
   ========================================================================= */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--rule);
  transition: background var(--t-fast), border-color var(--t-fast), transform var(--t-fast);
  overflow-x: hidden;
}

.header--scrolled {
  background: rgba(244, 243, 240, 0.92);
  -webkit-backdrop-filter: saturate(140%) blur(8px);
  backdrop-filter: saturate(140%) blur(8px);
}

.header--hidden {
  transform: translateY(-100%);
}

.header__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 2rem;
  min-height: 5.5rem;
}

@media (min-width: 1024px) {
  .header__inner {
    min-height: 8rem;
  }
}

@media (max-width: 1023px) {
  .header {
    position: static;
  }
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--ink);
  text-decoration: none;
  font-family: var(--font-display-family);
}

.logo__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 120px;
  height: auto;
  object-fit: contain;
}

.logo__type {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.logo__name {
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo__role {
  font-family: var(--font-body);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--muted);
  margin-top: 0.25rem;
}

.nav {
  display: none;
}

@media (min-width: 1024px) {
  .nav {
    display: block;
  }
}

.nav__list {
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
  justify-content: center;
  flex-wrap: wrap;
}

@media (min-width: 1024px) {
  .nav__list {
    gap: 1.75rem;
  }
}

.nav__link {
  position: relative;
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--ink-3);
  text-decoration: none;
  padding: 0.5rem 0;
  transition: color var(--t-fast);
}

.nav__link:hover {
  color: var(--ink);
}

.nav__link.active {
  color: var(--ink);
}

.nav__link-underline {
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 400ms var(--ease-precise);
}

.nav__link.active .nav__link-underline {
  transform: scaleX(1);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.header__phone {
  display: none;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
  padding: 0.5rem 0;
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-fast);
}

.header__phone:hover {
  border-bottom-color: var(--ink);
}

.header__phone-svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
  display: block;
}

@media (min-width: 1024px) {
  .header__phone {
    display: inline-flex;
  }
}

.header__cta {
  display: none;
}

@media (min-width: 768px) {
  .header__cta {
    display: inline-flex;
  }
}

.burger {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 2.5rem;
  height: 2.5rem;
  background: transparent;
  border: 1px solid var(--ink);
  cursor: pointer;
  position: relative;
}

@media (min-width: 1024px) {
  .burger {
    display: none;
  }
}

.burger span {
  display: block;
  width: 16px;
  height: 1.5px;
  background: var(--ink);
  margin: 2px 0;
  transition: transform var(--t-fast), opacity var(--t-fast);
  transform-origin: center;
}

.burger.active span:nth-child(1) {
  transform: translateY(5.5px) rotate(45deg);
}

.burger.active span:nth-child(2) {
  opacity: 0;
}

.burger.active span:nth-child(3) {
  transform: translateY(-5.5px) rotate(-45deg);
}

.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 110;
  padding: 6rem var(--gutter) 2rem;
  display: flex;
  flex-direction: column;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity var(--t-mid), transform var(--t-mid);
}

.mobile-menu--open {
  opacity: 1;
  pointer-events: auto;
  transform: none;
}

.mobile-menu__nav {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.mobile-menu__link {
  display: block;
  font-family: var(--font-display-family);
  font-size: 2rem;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--rule);
  letter-spacing: -0.03em;
  line-height: 1;
  transition: color var(--t-fast);
}

.mobile-menu__link:hover {
  color: var(--ink-3);
}

.mobile-menu__cta {
  margin-top: auto;
  padding-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.mobile-menu__close {
  position: absolute;
  top: 1.25rem;
  right: var(--gutter);
  width: 2.5rem;
  height: 2.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--ink);
  background: transparent;
  cursor: pointer;
  padding: 0;
}

.mobile-menu__close span {
  display: block;
  width: 16px;
  height: 1.5px;
  background: var(--ink);
  margin: 3px 0;
  transition: transform var(--t-fast), opacity var(--t-fast);
}

.mobile-menu__close:hover span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.mobile-menu__close:hover span:nth-child(2) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Accordion close icon */
.accordion__toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  position: relative;
  flex-shrink: 0;
}

.accordion__toggle::before,
.accordion__toggle::after {
  content: '';
  position: absolute;
  background: var(--ink);
  transition: transform 360ms var(--ease-precise);
}

.accordion__toggle::before {
  width: 1rem;
  height: 1px;
}

.accordion__toggle::after {
  width: 1px;
  height: 1rem;
}

.accordion__item[open] .accordion__toggle::after {
  transform: rotate(90deg);
}

.accordion__item[open] .accordion__question:hover .accordion__toggle::before {
  transform: scaleX(1.3);
}

/* Accordion content.
   Height is animated by GSAP in js/script.js (initFaqMotion): the native
   <details> reveals the block instantly, so CSS grid-template-rows cannot
   animate the first open (and Safari does not interpolate it at all).
   display:block keeps the block rendered so GSAP can tween height both ways;
   closed items are collapsed via inline height:0 set from JS. */
.accordion__content {
  display: block;
  overflow: hidden;
}

.accordion__content__inner {
  overflow: hidden;
  padding: 0 0 2rem;
  padding-left: 6rem;
  font-size: 0.9375rem;
  color: var(--ink-3);
  line-height: 1.6;
  max-width: 70ch;
}

@media (max-width: 767px) {
  .accordion__content__inner {
    padding-left: 0;
  }
}

.accordion__content__inner p {
  margin: 0;
  white-space: pre-line;
}

.accordion__content__inner p + p {
  margin-top: 0.75rem;
}




/* =========================================================================
   8. HERO
   ========================================================================= */
.hero {
  padding-top: 8rem;
  padding-bottom: var(--section-y);
  position: relative;
  overflow: hidden;
}

@media (min-width: 1024px) {
  .hero {
    padding-top: 10rem;
  }
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
  margin-top: 5rem;
}

@media (min-width: 1024px) {
  .hero__grid {
    grid-template-columns: 7fr 5fr;
    gap: 4rem;
    align-items: center;
  }
}

.hero__copy {
  max-width: 720px;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted);
  margin: 0 0 2.5rem;
}

.hero__eyebrow::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--ink);
}

.hero__title {
  font-size: clamp(2.5rem, 7.5vw, 5.75rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
  margin: 0 0 2rem;
  color: var(--ink);
}

.hero__sub {
  font-size: clamp(1rem, 1.3vw, 1.25rem);
  line-height: 1.5;
  color: var(--ink-3);
  margin: 0 0 2.5rem;
  max-width: 52ch;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 3rem;
}

.hero__proof {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--rule);
  max-width: 600px;
}

@media (min-width: 768px) {
  .hero__proof {
    grid-template-columns: repeat(4, 1fr);
  }
}

.hero__proof__item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.hero__proof__num {
  font-family: var(--font-display-family);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.hero__proof__label {
  font-family: var(--font-body);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--muted);
  line-height: 1.3;
}

/* Hero visual — large architectural photo with offset */
.hero__visual {
  position: relative;
}

@media (min-width: 1024px) {
  .hero__visual {
    margin-top: -2rem;
  }
}

.hero__media {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--depth);
}

.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero__media__caption {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  font-family: var(--font-body);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--bg);
  background: rgba(10, 10, 10, 0.7);
  padding: 0.5rem 0.75rem;
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}

/* Hero — реальная работа мастера: сравнение «До → После» */
.hero__ba {
  margin: 0;
}

.hero__ba__panels {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0.5rem;
  align-items: stretch;
}

.hero__ba__panel {
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: var(--depth);
}

.hero__ba__panel img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero__ba__label {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  font-family: var(--font-body);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--bg);
  background: rgba(10, 10, 10, 0.7);
  padding: 0.35rem 0.6rem;
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}

.hero__ba__arrow {
  align-self: center;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
}

.hero__ba__arrow svg {
  width: 1.25rem;
  height: 1.25rem;
}

.hero__ba__caption {
  margin: var(--space-3) 0 0;
  font-family: var(--font-body);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted);
}

@media (max-width: 480px) {
  .hero__ba__panels {
    gap: 0.375rem;
  }

  .hero__ba__panel {
    aspect-ratio: 1 / 1;
  }
}

.hero__signature {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-top: 1.5rem;
  font-size: 0.875rem;
  color: var(--ink-3);
}

.hero__signature strong {
  color: var(--ink);
  font-weight: 700;
}

.hero__signature__role {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--muted);
}

/* =========================================================================
   9. SECTIONS — global
   ========================================================================= */
section {
  padding-block: var(--section-y);
}

section+section {
  border-top: 1px solid var(--rule);
}

/* =========================================================================
   10. TRUST / EXPERIENCE / TIMELINE — Design System
   ========================================================================= */
.trust__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 1024px) {
  .trust__grid {
    grid-template-columns: 5fr 7fr;
    gap: var(--space-8);
  }
}

.timeline {
  position: relative;
  padding-left: var(--space-6);
  border-left: 1px solid var(--color-gray-200);
}

.timeline__item {
  position: relative;
  padding: var(--space-5) 0 0 0;
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: var(--space-5);
  align-items: baseline;
}

.timeline__item:last-child {
  padding-bottom: 0;
}

.timeline__item::before {
  content: '';
  position: absolute;
  left: -var(--radius-sm);
  top: 0.5rem;
  width: var(--radius-sm);
  height: var(--radius-sm);
  background: var(--color-brand-green);
  border-radius: var(--radius-pill);
  transform: translateX(-3px);
}

.timeline__num {
  font-family: var(--font-body);
  font-size: var(--font-caption);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-gray-500);
  padding-top: 0.25rem;
}

.timeline__body {
  max-width: 60ch;
}

.timeline__title {
  font-family: var(--font-display-family);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
}

.timeline__text {
  font-size: 0.9375rem;
  color: var(--color-gray-700);
  margin: 0;
  line-height: 1.5;
}

.trust__pull {
  margin-top: var(--section-y);
  padding-top: var(--space-7);
  border-top: 1px solid var(--color-gray-200);
  max-width: 60ch;
}

.trust__pull p {
  font-family: var(--font-display-family);
  font-size: clamp(1.25rem, 2.2vw, 1.75rem);
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0;
  font-weight: 700;
}

.trust__pull__cite {
  display: block;
  font-family: var(--font-body);
  font-size: var(--font-caption);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-gray-500);
  margin-top: var(--space-5);
}

/* =========================================================================
   11. SERVICES — Premium Construction cards
   ========================================================================= */
.services__index {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 640px) {
  .services__index {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .services__index {
    grid-template-columns: repeat(3, 1fr);
  }
}

.service-row {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-7);
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  transition: background var(--t-fast), border-color var(--t-fast), box-shadow var(--t-fast), transform var(--t-fast);
}

.service-row:hover {
  background: var(--color-gray-100);
  border-color: var(--color-gray-300);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.service-row__num {
  font-family: var(--font-body);
  font-size: var(--font-caption);
  color: var(--color-brand-green);
  letter-spacing: 0.1em;
  padding-top: 0.5rem;
}

.service-row__title {
  font-family: var(--font-display-family);
  font-size: var(--font-h3);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin: 0;
}

.service-row__desc {
  font-size: var(--font-body-small);
  color: var(--color-gray-700);
  line-height: 1.5;
  margin: 0;
  max-width: 40ch;
}

.service-row__items {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.service-row__items li {
  font-family: var(--font-body);
  font-size: var(--font-caption);
  color: var(--color-gray-900);
  letter-spacing: 0.05em;
  padding-left: var(--radius-sm);
  position: relative;
}

.service-row__items li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-brand-green);
}

.services__note {
  margin: var(--space-7) 0 0;
  max-width: 70ch;
  color: var(--color-gray-700);
  font-size: var(--font-body-small);
  line-height: 1.6;
  white-space: pre-line;
}

/* =========================================================================
   13. FORMATS — Premium cards with clear visual hierarchy
   ========================================================================= */
.formats__head {
  margin-bottom: 4rem;
}

.formats__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .formats__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .formats__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 1023px) {
  .formats__grid:not(.formats__grid--expanded) > .format:nth-child(n + 5) {
    display: none;
  }
}

.formats__more {
  display: none;
  margin: var(--space-7) auto 0;
  padding: 0.85rem 1.5rem;
  color: var(--color-black);
  background: transparent;
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-pill);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

@media (max-width: 1023px) {
  .formats__more {
    display: flex;
    justify-content: center;
  }
}

.format {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-xl);
  padding: var(--space-9) var(--space-7);
  transition: border-color var(--t-fast), box-shadow var(--t-fast), transform var(--t-fast);
}

.format:hover {
  border-color: var(--color-gray-300);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.format__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: var(--space-6);
}

.format__num {
  font-family: var(--font-body);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--muted);
}

.format__badge {
  font-family: var(--font-body);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-white);
  background: var(--color-brand-green);
  border-radius: var(--radius-xl);
  padding: 0.35rem 1rem;
  text-align: center;
  display: block;
  width: 100%;
  /* position: absolute; */
  top: 0;
  left: 0;
  margin-bottom: 0;
}

.format__title {
  font-family: var(--font-display-family);
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0 0 var(--space-4);
  max-width: 18ch;
  color: var(--ink);
}

.format__price {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--rule-soft);
}

.format__price-num {
  font-family: var(--font-display-family);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--ink);
}

.format__price-cur {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--muted);
}

.format__desc {
  font-size: var(--font-size-body);
  color: var(--ink-3);
  line-height: 1.6;
  margin: 0 0 var(--space-6);
  max-width: 42ch;
}

.format__include {
  list-style: none;
  margin: 0 0 var(--space-6);
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  border-top: 1px solid var(--rule-soft);
  padding-top: var(--space-5);
}

.format__include li {
  display: grid;
  grid-template-columns: 1.25rem 1fr;
  gap: 0.5rem;
  font-size: var(--font-body-small);
  color: var(--ink-2);
  line-height: 1.5;
}

.format__include li::before {
  content: '✓';
  font-size: 0.875rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-brand-green);
  padding-top: 0.125rem;
}

.format__include li:first-child {
  font-weight: 600;
  color: var(--ink);
}

.format__steps {
  list-style: none;
  margin: 0 0 var(--space-7);
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex: 1;
}

.format__steps li {
  display: grid;
  grid-template-columns: 1.5rem 1fr;
  gap: 0.5rem;
  font-size: var(--font-body-small);
  color: var(--ink-2);
  line-height: 1.5;
}

.format__steps li::before {
  content: counter(step);
  counter-increment: step;
  font-family: var(--font-body);
  font-size: 0.6875rem;
  color: var(--color-brand-green);
  font-weight: 600;
  padding-top: 0.125rem;
}

.format__steps {
  counter-reset: step;
}

.format__cta {
  align-self: flex-start;
  margin-top: auto;
}

.format--featured {
  position: relative;
  background: var(--surface);
  border-color: var(--color-brand-green);
}

.format--featured:hover {
  border-color: var(--color-brand-green);
  box-shadow: 0 8px 32px rgba(102, 153, 51, 0.12);
}

.format--featured .format__price-num {
  color: var(--color-brand-green);
}

.format--featured .format__cta {
  background: var(--color-brand-green);
  color: var(--color-white);
  border-color: var(--color-brand-green);
}

.format--featured .format__cta:hover {
  filter: brightness(0.92);
}

.formats__compare {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-7);
  margin-top: var(--space-11);
  padding-top: var(--space-9);
  border-top: 1px solid var(--rule);
}

@media (min-width: 768px) {
  .formats__compare {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-10);
  }
}

.formats__compare__col h4 {
  font-family: var(--font-display-family);
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 var(--space-3);
  letter-spacing: -0.02em;
  color: var(--ink);
}

.formats__compare__col p {
  font-size: var(--font-size-body);
  color: var(--ink-3);
  line-height: 1.6;
  margin: 0;
}

/* =========================================================================
   23. GALLERY — «До → После» side-by-side pairs
   First pair spans the full section width; the rest stack below in a
   centered column. Before left, arrow in the middle, After right.
   ========================================================================= */
.gallery__grid {
  display: flex;
  flex-direction: column;
  gap: clamp(3.5rem, 8vw, 7rem);
}

.gallery__more {
  display: flex;
  flex-direction: column;
  gap: clamp(3.5rem, 8vw, 7rem);
  margin-top: clamp(3.5rem, 8vw, 7rem);
}

.gallery__more[hidden] {
  display: none;
}

.gallery__toggle {
  display: flex;
  justify-content: center;
  margin-top: clamp(3.5rem, 8vw, 7rem);
}

.ba-pair {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

/* Featured (first) pair — same constrained width as stacked pairs */
.ba-pair--featured {
  width: min(100%, var(--max-w));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* Stacked pairs below — centered on the page */
.ba-pair--stacked {
  width: min(100%, var(--max-w));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.ba-pair__layout {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: stretch;
  gap: clamp(0.75rem, 2vw, 1.5rem);
}

.ba-panel {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-2xl);
  background: var(--color-gray-200);
  box-shadow: var(--shadow-md);
  aspect-ratio: 4 / 3;
}

.ba-panel__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  user-select: none;
  -webkit-user-select: none;
}

.ba-panel__label {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  z-index: 2;
  font-family: var(--font-body);
  font-size: var(--font-caption);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  padding: 0.375rem 0.75rem;
  color: var(--color-white);
  background: rgba(17, 17, 17, 0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  border-radius: var(--radius-pill);
}

.ba-panel--after .ba-panel__label {
  left: auto;
  right: var(--space-3);
}

.ba-pair__arrow {
  align-self: center;
  flex: 0 0 auto;
  width: clamp(3rem, 4vw, 3.75rem);
  height: clamp(3rem, 4vw, 3.75rem);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  background: var(--color-brand-orange);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-md);
}

.ba-pair__arrow svg {
  width: 1.5rem;
  height: 1.5rem;
}

.ba-pair__copy {
  width: min(100%, var(--max-w));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.ba-pair__copy:empty {
  display: none;
}

.gallery__name {
  font-family: var(--font-display-family);
  font-size: var(--font-h3);
  font-weight: 700;
  line-height: 1.1;
  margin: 0 0 var(--space-2);
}

.gallery__description {
  font-size: var(--font-size-body);
  color: var(--muted);
  line-height: 1.5;
  margin: 0;
}

/* Mobile: panels stack vertically, arrow points down */
@media (max-width: 767px) {
  .ba-pair__layout {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .ba-pair__arrow {
    transform: rotate(90deg);
    margin-inline: auto;
  }

  .ba-pair__copy {
    text-align: left;
  }
}

/* =========================================================================
   24. CLIENT VIDEO — Apple-style carousel
   ========================================================================= */
.client-video {
  overflow: hidden;
}

.video-carousel {
  position: relative;
  overflow: hidden;
}

.video-carousel__viewport {
  overflow: hidden;
  position: relative;
  min-height: 300px;
  outline: none;
  cursor: grab;
  touch-action: pan-y;
}

.video-carousel__viewport:active {
  cursor: grabbing;
}

.video-carousel__viewport:focus-visible {
  outline: 2px solid var(--color-brand-orange);
  outline-offset: 4px;
  border-radius: var(--radius-lg);
}

.video-carousel__stage {
  position: relative;
  width: 100%;
  height: 100%;
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}

.cv-item {
  position: absolute;
  left: 50%;
  top: 0;
  width: min(100%, calc(66vh * var(--ar, 1.7778)));
  will-change: transform, opacity;
  backface-visibility: hidden;
  transform: translateX(-50%);
}

.cv-media {
  position: relative;
  aspect-ratio: var(--ar, 16 / 9);
  width: 100%;
  margin-inline: auto;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  background: #111;
  box-shadow: var(--shadow-md);
}

.cv-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  background: #111;
}

.cv-play {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 2;
  width: 4.25rem;
  height: 4.25rem;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  background: rgba(17, 17, 17, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: var(--radius-pill);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--t-mid) var(--ease-precise), background var(--t-fast) var(--ease-precise), transform var(--t-mid) var(--ease-precise);
}

.cv-play:focus-visible {
  outline: 2px solid var(--color-brand-orange);
  outline-offset: 3px;
}

.cv-play:hover {
  background: var(--color-brand-orange);
  transform: translate(-50%, -50%) scale(1.06);
}

.cv-play svg {
  width: 1.75rem;
  height: 1.75rem;
}

.cv-play__icon--pause {
  display: none;
}

.cv-item[data-active="true"] .cv-play {
  opacity: 1;
}

.cv-item.is-playing .cv-play {
  opacity: 0;
  pointer-events: none;
}

.cv-item.is-playing .cv-play__icon--play {
  display: none;
}

.cv-item.is-playing .cv-play__icon--pause {
  display: block;
}

.cv-name {
  font-family: var(--font-display-family);
  font-size: var(--font-h3);
  font-weight: 700;
  line-height: 1.1;
  margin: var(--space-3) auto var(--space-1);
  text-align: center;
  max-width: 30ch;
}

.cv-desc {
  font-size: var(--font-size-body);
  color: var(--muted);
  line-height: 1.5;
  margin: 0 auto var(--space-2);
  text-align: center;
  max-width: 42ch;
}

.video-carousel__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 3.25rem;
  height: 3.25rem;
  border-radius: var(--radius-pill);
  background: var(--color-white);
  color: var(--color-black);
  border: 1px solid var(--rule);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5;
  box-shadow: var(--shadow-sm);
  transition: background var(--t-fast) var(--ease-precise), color var(--t-fast) var(--ease-precise), transform var(--t-fast) var(--ease-precise);
  cursor: pointer;
}

.video-carousel__arrow:hover {
  background: var(--color-brand-orange);
  color: var(--color-white);
}

.video-carousel__arrow:focus-visible {
  outline: 2px solid var(--color-brand-orange);
  outline-offset: 3px;
}

.video-carousel__arrow svg {
  width: 1.5rem;
  height: 1.5rem;
}

.video-carousel__arrow--prev {
  left: var(--space-1);
}

.video-carousel__arrow--next {
  right: var(--space-1);
}

.video-carousel__meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-3);
}

.video-carousel__counter {
  font-family: var(--font-display-family);
  font-size: var(--font-caption);
  letter-spacing: 0.08em;
  color: var(--muted);
  min-width: 4.5ch;
  text-align: center;
}

.video-carousel__dots {
  display: flex;
  gap: var(--space-2);
}

.video-carousel__dot {
  width: 1.75rem;
  height: 0.5rem;
  padding: 0;
  border: none;
  border-radius: var(--radius-pill);
  background: var(--color-gray-300);
  cursor: pointer;
  transform-origin: left;
  transform: scaleX(0.2857);
  transition: transform var(--t-mid) var(--ease-precise), background var(--t-mid) var(--ease-precise);
}

.video-carousel__dot[aria-selected="true"] {
  transform: scaleX(1);
  background: var(--color-brand-orange);
}

.video-carousel__dot:focus-visible {
  outline: 2px solid var(--color-brand-orange);
  outline-offset: 2px;
}

@media (hover: none) {
  .cv-item[data-active="true"] .cv-play {
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .cv-item {
    transition: none;
  }

  .video-carousel__viewport {
    scroll-behavior: auto;
  }
}

/* =========================================================================
   14. CALCULATOR — Premium interactive experience
   ========================================================================= */
.calculator {
  background: var(--color-gray-100);
  padding-top: var(--section-y);
  padding-bottom: var(--section-y);
  margin-top: 0;
}

.calculator__head {
  margin-bottom: var(--space-11);
}

.calc {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-7);
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  padding: clamp(1.5rem, 3vw, 3rem);
  box-shadow: var(--shadow-sm);
}

@media (min-width: 1024px) {
  .calc {
    grid-template-columns: 5fr 7fr;
    gap: var(--space-10);
    padding: var(--space-9);
  }
}

.calc__meta {
  border-bottom: 1px solid var(--color-gray-200);
  padding-bottom: var(--space-7);
}

@media (min-width: 1024px) {
  .calc__meta {
    border-bottom: none;
    border-right: 1px solid var(--color-gray-200);
    padding-bottom: 0;
    padding-right: var(--space-8);
  }
}

.calc__sidebar-content {
  margin-top: var(--space-8);
  color: var(--color-gray-700);
  font-size: var(--font-body-small);
  line-height: 1.65;
  white-space: pre-line;
}

.calc__sidebar-content[hidden] {
  display: none;
}

.calc__sidebar-text {
  margin: 0;
}

.calc__sidebar-image {
  display: block;
  width: 100%;
  max-height: 30rem;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.calc__progress {
  height: 3px;
  background: var(--color-gray-200);
  border-radius: var(--radius-pill);
  overflow: hidden;
  margin-bottom: var(--space-6);
}

.calc__progress__bar {
  height: 100%;
  background: var(--color-brand-green);
  border-radius: var(--radius-pill);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-slow) var(--ease-precise);
}

.calc__steps {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: var(--space-6);
}

.calc__steps__current {
  font-family: var(--font-body);
  font-size: 0.875rem;
  letter-spacing: 0.1em;
  color: var(--color-brand-green);
  font-weight: 600;
}

.calc__steps__label {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-gray-500);
}

.calc__hint {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  color: var(--color-gray-500);
  margin-top: var(--space-2);
}

.calc__error {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  color: var(--color-brand-red);
  margin-top: var(--space-1);
  display: block;
}

.calc__body {
  display: flex;
  flex-direction: column;
  min-height: 360px;
  position: relative;
}

.calc__field {
  display: flex;
  flex-direction: column;
  flex: 1;
  transition: opacity 300ms var(--ease-precise), transform 300ms var(--ease-precise);
}

.calc__field[hidden] {
  display: none;
}

.calc__body[hidden] {
  display: none;
}

.calc__footer[hidden] {
  display: none;
}

.calc__meta[hidden] {
  display: none;
}

.calc__field.step-out {
  opacity: 0;
  transform: translateY(-8px);
}

.calc__field.step-in {
  opacity: 1;
  transform: translateY(0);
}

.calc__result {
  padding: clamp(2rem, 4vw, 3.5rem);
  background: var(--color-black);
  color: var(--color-background);
  margin: calc(clamp(1.5rem, 3vw, 3rem) * -1);
  grid-column: 1 / -1;
  border-radius: var(--radius-xl);
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: opacity 500ms var(--ease-precise), transform 500ms var(--ease-precise);
}

.calc__result.step-in {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.calc__result.step-in .calc__result__value {
  animation: reveal-up 500ms var(--ease-precise) 100ms both;
}

.calc__result.step-in .calc__result__approx {
  animation: reveal-up 500ms var(--ease-precise) 200ms both;
}

.calc__result.step-in .calc__result__params {
  animation: reveal-up 500ms var(--ease-precise) 300ms both;
}

.calc__result.step-in .calc__result__note {
  animation: reveal-up 500ms var(--ease-precise) 400ms both;
}

.calc__result.step-in .calc__result__cta {
  animation: reveal-up 500ms var(--ease-precise) 500ms both;
}

@keyframes reveal-up {
  from {
    opacity: 0;
    transform: translateY(12px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.calc__question {
  font-family: var(--font-display-family);
  font-size: clamp(1.25rem, 1.8vw, 1.625rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0 0 var(--space-7);
  max-width: 22ch;
}

.calc__short-request {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-top: var(--space-6);
  color: var(--color-gray-700);
  font-size: var(--font-body-small);
  line-height: 1.5;
  cursor: pointer;
}

.calc__short-request[hidden] {
  display: none;
}

.calc__short-request input {
  width: 1.125rem;
  height: 1.125rem;
  margin: 0.125rem 0 0;
  flex: 0 0 auto;
  accent-color: var(--color-brand-green);
}

.calc__options {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--color-gray-200);
}

.calc__unconfigured {
  margin: 0;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--color-gray-200);
  color: var(--color-gray-700);
  font-size: var(--font-body-small);
  line-height: 1.5;
}

.calc__option {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--color-gray-200);
  cursor: pointer;
  transition: transform var(--t-fast);
  position: relative;
}

.calc__option:hover {
  transform: translateX(0.5rem);
}

.calc__option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.calc__option__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.25rem;
  height: 1.25rem;
  border: 1px solid var(--color-gray-500);
  border-radius: 50%;
  flex-shrink: 0;
  position: relative;
  background: transparent;
  transition: border-color var(--t-fast), background var(--t-fast);
}

.calc__option__mark::after {
  content: '';
  position: absolute;
  inset: 3px;
  background: var(--color-brand-green);
  border-radius: 50%;
  transform: scale(0);
  transition: transform var(--t-fast);
}

.calc__option input:checked+.calc__option__mark::after {
  transform: scale(1);
}

.calc__field[data-question-type="multiple"] .calc__option__mark {
  border-radius: 0.25rem;
}

.calc__field[data-question-type="multiple"] .calc__option__mark::after {
  border-radius: 0.125rem;
}

.calc__field[data-question-type="multiple"] .calc__option input:checked+.calc__option__mark {
  background: var(--color-brand-green);
  border-color: var(--color-brand-green);
}

.calc__field[data-question-type="multiple"] .calc__option input:checked+.calc__option__mark::after {
  content: '';
  inset: 2px 6px 4px 6px;
  border: solid var(--color-white);
  border-width: 0 2px 2px 0;
  border-radius: 0;
  background: transparent;
  transform: rotate(45deg) scale(1);
}

.calc__option input:focus-visible+.calc__option__mark {
  outline: 3px solid var(--color-brand-orange);
  outline-offset: 3px;
}

.calc__option__label {
  font-family: var(--font-display-family);
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--color-black);
  flex: 1;
}

.calc__option__sub {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-gray-500);
}

.calc__input {
  width: 100%;
  max-width: 280px;
  padding: 1rem 0;
  font-family: var(--font-display-family);
  font-size: clamp(1.5rem, 2vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-black);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--color-black);
  outline: none;
  -moz-appearance: textfield;
}

.calc__input::-webkit-outer-spin-button,
.calc__input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.calc__input:focus {
  border-bottom: 2px solid var(--color-brand-green);
}

.calc__input::placeholder {
  color: var(--color-gray-500);
}

.calc__footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-7);
  padding-top: var(--space-7);
  border-top: 1px solid var(--color-gray-200);
  gap: 1rem;
}

.calc__back {
  visibility: hidden;
}

.calc__back--visible {
  visibility: visible;
}

.calc__next {
  min-width: 200px;
}

/* Calculator result */
.calc__result__value {
  font-family: var(--font-display-family);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  margin: 0 0 var(--space-5);
  color: var(--color-background);
}

.calc__result__approx {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--color-gray-300);
  margin: 0 0 var(--space-10);
}

.calc__result__params {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  font-size: 0.875rem;
  margin-bottom: var(--space-10);
  padding: 0;
}

@media (min-width: 768px) {
  .calc__result__params {
    grid-template-columns: 1fr 1fr;
  }
}

.calc__result__params__row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.calc__result__params__row dt {
  color: var(--color-gray-300);
  font-family: var(--font-body);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin: 0;
}

.calc__result__params__row dd {
  margin: 0;
  color: var(--color-background);
  font-weight: 500;
  text-align: right;
}

.calc__result__note {
  font-size: 0.8125rem;
  color: var(--color-gray-300);
  line-height: 1.5;
  margin: 0 0 var(--space-7);
}

.calc__result__cta {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.calc__result__cta .btn--primary {
  background: var(--color-brand-orange);
  color: var(--color-white);
  border-color: var(--color-brand-orange);
}

.calc__result__cta .btn--primary:hover {
  background: var(--color-gray-900);
  border-color: var(--color-gray-900);
}

.calc__result__cta .btn--ghost {
  border-color: var(--color-gray-300);
}

.calc__result__cta .btn--ghost:hover {
  background: var(--color-background);
  color: var(--color-black);
}

/* =========================================================================
   15. APPLICATION FORM — Premium form with validation states
   ========================================================================= */
.application {
  background: var(--color-background);
}

.application__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-11);
}

@media (min-width: 1024px) {
  .application__grid {
    grid-template-columns: 5fr 7fr;
    gap: var(--space-13);
  }
}

.application__copy {
  max-width: 480px;
}

.application__copy .section-title {
  margin-bottom: var(--space-6);
}

.application__text {
  font-size: var(--font-size-body);
  color: var(--color-gray-900);
  line-height: 1.6;
  margin: 0 0 var(--space-8);
}

.application__contacts {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-9);
  padding-top: var(--space-9);
  border-top: 1px solid var(--color-gray-200);
}

.application__contact {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  text-decoration: none;
  color: var(--color-black);
}

.application__contact:hover .application__contact__value {
  text-decoration: underline;
}

.application__contact__label {
  font-family: var(--font-body);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-gray-500);
  min-width: 80px;
}

.application__contact__value {
  font-family: var(--font-display-family);
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.form {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--color-black);
}

.form__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-bottom: 1px solid var(--color-gray-200);
}

@media (min-width: 768px) {
  .form__row {
    grid-template-columns: 1fr 1fr;
  }

  .form__row>.form__field+.form__field {
    border-left: 1px solid var(--color-gray-200);
  }
}

.form__field {
  position: relative;
  padding: var(--space-7) 0;
}

@media (min-width: 768px) {
  .form__field {
    padding: var(--space-7) var(--space-7);
  }
}

.form__label {
  display: block;
  font-family: var(--font-body);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-gray-500);
  margin-bottom: var(--space-2);
}

.form__input,
.form__select,
.form__textarea {
  width: 100%;
  font-family: var(--font-display-family);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-black);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--color-black);
  padding: 0.25rem 0 var(--space-4);
  outline: none;
  letter-spacing: -0.01em;
}

.form__textarea {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1rem;
  resize: vertical;
  min-height: 80px;
  max-height: 240px;
  padding-top: var(--space-2);
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: var(--color-gray-300);
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
  border-bottom-color: var(--color-brand-green);
}

.form__select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%230a0a0a' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.25rem center;
  padding-right: 1.5rem;
  cursor: pointer;
}

.form__error {
  display: block;
  font-family: var(--font-body);
  font-size: 0.6875rem;
  color: var(--color-error);
  margin-top: 0.5rem;
  min-height: 1em;
}

.form__footer {
  display: flex;
  flex-direction: column;
  gap: var(--space-7);
  padding-top: var(--space-9);
  margin-top: 0;
}

@media (min-width: 768px) {
  .form__footer {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.form__submit {
  min-width: 200px;
}

.form__status {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  padding: 0;
  border: 0;
}

.form__status--success {
  color: var(--color-success);
}

.form__status--error {
  color: var(--color-error);
}

.form__consent {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4) 0 0;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  line-height: 1.45;
  color: var(--color-gray-700);
  cursor: pointer;
}

.form__consent input[type="checkbox"] {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  margin: 0;
  border: 1.5px solid var(--color-black);
  border-radius: 3px;
  background: transparent;
  flex-shrink: 0;
  cursor: pointer;
}

.form__consent input[type="checkbox"]:checked {
  background-color: var(--color-brand-green);
  border-color: var(--color-brand-green);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='7 5 5.5 13.5 19.5 6'/%3E%3C/svg%3E");
  background-size: 14px 14px;
  background-position: center;
  background-repeat: no-repeat;
}

.form__consent input[type="checkbox"]:focus-visible {
  outline: 2px solid var(--color-brand-green);
  outline-offset: 2px;
}

.form__consent .form__consent__text a {
  color: var(--color-brand-green);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-thickness: 1px;
}

.form__consent .form__consent__text a:hover,
.form__consent .form__consent__text a:focus-visible {
  color: var(--color-dark);
  text-decoration-thickness: 2px;
}

.form__consent.invalid input[type="checkbox"] {
  box-shadow: 0 0 0 1.5px var(--color-error);
}

.form__consent-error {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  line-height: 1.45;
  color: var(--color-error);
  min-height: 1em;
  padding-top: 0.25rem;
}

/* =========================================================================
   16. PROCESS — 4 phases containing 10 steps
   ========================================================================= */
.process__head {
  margin-bottom: var(--space-11);
}

.process__phases {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--color-black);
}

@media (min-width: 768px) {
  .process__phases {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .process__phases {
    grid-template-columns: repeat(4, 1fr);
  }
}

.phase {
  padding: var(--space-10) 0;
  border-bottom: 1px solid var(--color-gray-200);
  position: relative;
}

@media (min-width: 768px) {
  .phase {
    padding: var(--space-10) var(--space-7) var(--space-10) 0;
  }

  .phase+.phase {
    padding-left: var(--space-7);
    border-left: 1px solid var(--color-gray-200);
  }

  .phase+.phase {
    border-bottom: 0;
  }
}

@media (min-width: 1024px) {
  .phase {
    padding: var(--space-10) var(--space-7);
  }

  .phase+.phase {
    border-left: 1px solid var(--color-gray-200);
  }
}

.phase__num {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-brand-green);
  font-weight: 600;
  margin-bottom: var(--space-4);
}

.phase__title {
  font-family: var(--font-display-family);
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  margin: 0 0 var(--space-4);
  max-width: 12ch;
}

.phase__list {
  list-style: none;
  margin: var(--space-7) 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.phase__list li {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--color-dark);
  padding-left: 1.5rem;
  position: relative;
  letter-spacing: 0.02em;
  line-height: 1.5;
}

.phase__list li::before {
  content: counter(s);
  counter-increment: s;
  position: absolute;
  left: 0;
  color: var(--color-brand-green);
  font-weight: 600;
}

.phase__list {
  counter-reset: s;
}

@media (max-width: 1023px) {
  .phase+.phase {
    border-left: 0;
    border-top: 1px solid var(--color-gray-200);
  }
}

/* =========================================================================
   17. ABOUT — Story section
   ========================================================================= */
.about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-11);
  align-items: center;
}

@media (min-width: 1024px) {
  .about__grid {
    grid-template-columns: 6fr 6fr;
    gap: var(--space-13);
  }
}

.about__copy {
  max-width: 540px;
}

.about__text {
  font-size: var(--font-size-body);
  color: var(--color-gray-900);
  line-height: 1.7;
  margin: 0 0 var(--space-4);
}

.about__text:last-child {
  margin-bottom: 0;
}

.about__photo {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--color-gray-300);
}

.about__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: grayscale(100%);
  transition: filter 800ms var(--ease-preferred);
}

.about__photo:hover img {
  filter: grayscale(0%);
}

.about__photo__caption {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  font-family: var(--font-body);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-background);
  background: rgba(23, 23, 23, 0.7);
  padding: 0.5rem 0.75rem;
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}

/* =========================================================================
   18. FAQ — minimal accordion with brand accent
   ========================================================================= */
.faq__list {
  border-top: 1px solid var(--color-black);
}

.accordion__item {
  border-bottom: 1px solid var(--color-gray-200);
}

.accordion__question {
  width: 100%;
  text-align: left;
  display: grid;
  grid-template-columns: 4rem 1fr auto;
  gap: 2rem;
  align-items: center;
  background: none;
  border: 0;
  padding: var(--space-7) 0;
  cursor: pointer;
  font-family: var(--font-display-family);
  font-size: clamp(1.125rem, 1.5vw, 1.375rem);
  font-weight: 700;
  color: var(--color-black);
  letter-spacing: -0.01em;
  line-height: 1.2;
  transition: transform var(--t-fast);
}

@media (max-width: 767px) {
  .accordion__question {
    grid-template-columns: 1fr auto;
    gap: var(--space-4);
  }

  .accordion__question-num {
    display: none;
  }
}

.accordion__question:hover {
  transform: translateX(0.5rem);
}

.accordion__question-num {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-brand-green);
  font-weight: 600;
}

.accordion__toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  position: relative;
  flex-shrink: 0;
}

.accordion__toggle::before,
.accordion__toggle::after {
  content: '';
  position: absolute;
  background: var(--ink);
  transition: transform 360ms var(--ease-precise);
}

.accordion__toggle::before {
  width: 1rem;
  height: 1px;
}

.accordion__toggle::after {
  width: 1px;
  height: 1rem;
}

.accordion__item[open] .accordion__toggle::after {
  transform: rotate(90deg);
}

/* =========================================================================
   19. SOCIAL PROOF — Trust indicators strip
   ========================================================================= */
.social-proof {
  padding: var(--space-11) 0;
  border-top: 1px solid var(--color-gray-200);
  border-bottom: 1px solid var(--color-gray-200);
  background: var(--color-background);
}

.social-proof__strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

.social-proof__item {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  flex: 1 1 auto;
  min-width: 0;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.social-proof__num {
  font-family: var(--font-display-family);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--color-brand-green);
}

.social-proof__label {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-gray-500);
  overflow-wrap: break-word;
  word-break: break-word;
  hyphens: auto;
}

@media (max-width: 767px) {
  .social-proof__strip {
    flex-direction: column;
    align-items: stretch;
  }

  .social-proof__item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
    align-items: start;
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--color-gray-200);
    min-width: 0;
  }

  .social-proof__item:first-child {
    border-top: 1px solid var(--color-gray-200);
  }

  .social-proof__num {
    font-size: 1.25rem;
  }

  .social-proof__label {
    font-size: 0.625rem;
  }
}

/* =========================================================================
   20. FINAL CTA — Dark premium section
   ========================================================================= */
.cta-final {
  padding: var(--section-y) 0;
  background: var(--color-black);
  color: var(--color-background);
  position: relative;
  overflow: hidden;
}

.cta-final__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-13);
  align-items: end;
}

@media (min-width: 1024px) {
  .cta-final__grid {
    grid-template-columns: 7fr 5fr;
    gap: var(--space-15);
  }
}

.cta-final__copy {
  display: flex;
  flex-direction: column;
}

.cta-final__title {
  font-family: var(--font-display-family);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.04em;
  color: var(--color-background);
  margin: 0 0 var(--space-8);
  max-width: 14ch;
}

.cta-final__title em {
  font-style: italic;
}

.cta-final__lead {
  font-size: 1.125rem;
  color: var(--color-gray-300);
  max-width: 50ch;
  margin: 0 0 var(--space-10);
  line-height: 1.5;
}

.cta-final__contacts {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  padding-top: var(--space-8);
  border-top: 1px solid rgba(244, 243, 240, 0.2);
}

.cta-final__contact {
  display: grid;
  grid-template-columns: 6rem 1fr;
  gap: 1rem;
  align-items: baseline;
  text-decoration: none;
  color: var(--color-background);
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(244, 243, 240, 0.15);
  transition: transform var(--t-fast);
}

.cta-final__contact:hover {
  transform: translateX(0.25rem);
}

.cta-final__contact__label {
  font-family: var(--font-body);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-gray-400);
}

.cta-final__contact__value {
  font-family: var(--font-display-family);
  font-size: clamp(1.25rem, 1.8vw, 1.5rem);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.cta-final__cta {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.cta-final__cta .btn--primary {
  background: var(--color-brand-green);
  color: var(--color-white);
  border-color: var(--color-brand-green);
}

.cta-final__cta .btn--primary:hover {
  filter: brightness(0.92);
}

.cta-final__cta .btn--ghost {
  border-color: var(--color-gray-300);
}

.cta-final__cta .btn--ghost:hover {
  background: var(--color-background);
  color: var(--color-black);
}

.cta-final__note {
  position: absolute;
  bottom: 1rem;
  left: var(--gutter);
  font-family: var(--font-body);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-gray-400);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  display: none;
}

@media (min-width: 1024px) {
  .cta-final__note {
    display: block;
  }
}

/* =========================================================================
   21. FOOTER — Premium dark footer
   ========================================================================= */
.footer {
  background: rgb(0, 0, 0);
  border-top: 1px solid var(--color-gray-800);
  padding: var(--space-11) 0 var(--space-6);
}

.footer__top {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  padding-bottom: var(--space-10);
  border-bottom: 1px solid var(--color-gray-800);
}

@media (max-width: 767px) {
  .footer__top {
    grid-template-columns: 1fr;
    display: flex;
    flex-direction: column;
  }

  .footer__top>div:first-child {
    order: 3;
  }

  .footer__top>div:nth-child(2) {
    order: 1;
  }

  .footer__top>div:last-child {
    order: 2;
  }
}

.footer__brand {
  max-width: 380px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

.footer__logo {
  max-width: 200px;
  width: 100%;
  height: auto;
}

.footer__brand {
  max-width: 380px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

.footer__logo {
  max-width: 200px;
  width: 100%;
  height: auto;
}

.footer__statement {
  font-family: var(--font-display-family);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0 0 var(--space-4);
  color: var(--color-background);
}

.footer__tag {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-gray-500);
  margin: 0;
}

.footer__heading {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-gray-500);
  margin: 0 0 var(--space-4);
}

.footer__nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__link {
  font-size: 0.9375rem;
  color: var(--color-gray-300);
  text-decoration: none;
  transition: color var(--t-fast);
}

.footer__link:hover {
  color: var(--color-gray-100);
}

.footer__contacts {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__address {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  font-style: normal;
}

.footer__contact {
  font-size: 0.9375rem;
  color: var(--color-gray-300);
  text-decoration: none;
}

.footer__contact:hover {
  text-decoration: underline;
}

.footer__bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: center;
  padding-top: var(--space-6);
  font-family: var(--font-body);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-gray-500);
}

@media (min-width: 768px) {
  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* =========================================================================
   22. SCROLL PROGRESS BAR
   ========================================================================= */
.scroll__progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--ink);
  z-index: 200;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 360ms var(--ease-precise);
}

/* =========================================================================
   23. RESPONSIVE
   ========================================================================= */
@media (max-width: 1439px) {
  .hero__grid {
    grid-template-columns: 1fr;
  }

  .hero__visual {
    max-width: 720px;
    margin: 0 auto;
    width: 100%;
  }
}

@media (max-width: 1023px) {
  .header__inner {
    grid-template-columns: 1fr auto;
    gap: 1rem;
    grid-template-areas: "logo actions";
  }

  .logo {
    grid-area: logo;
    justify-self: start;
  }

  .header__actions {
    grid-area: actions;
    justify-self: end;
    gap: 1rem;
  }

  .header__cta {
    display: none;
  }

  .header__phone {
    display: none;
  }

  .burger {
    display: inline-flex;
  }

  .nav {
    display: none;
  }

  .section-title {
    max-width: none;
  }

  .hero {
    padding-top: 8px;
  }

  .hero__grid {
    margin-top: 0;
  }
}

@media (max-width: 767px) {
  :root {
    --section-y: 4rem;
    --gutter: 1.25rem;
  }

  .video-carousel__arrow {
    width: 2.5rem;
    height: 2.5rem;
  }

  .video-carousel__arrow svg {
    width: 1.25rem;
    height: 1.25rem;
  }

  .cv-media {
    border-radius: var(--radius-lg);
  }

  .cv-play {
    width: 3.5rem;
    height: 3.5rem;
  }

  .hero {
    padding-top: 8px;
  }

  .hero__title {
    font-size: clamp(2.25rem, 10vw, 3.25rem);
  }

  .hero__cta {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__cta .btn {
    width: 100%;
  }

  .hero__proof {
    grid-template-columns: repeat(2, 1fr);
  }

  .btn {
    padding: 0.75rem 1.25rem;
  }

  .format {
    padding: 2rem var(--gutter);
  }

  .format__title {
    font-size: 1.5rem;
  }

  .format__price-num {
    font-size: 2.5rem;
  }

  .calc {
    padding: 1.5rem;
  }

  .calc__footer {
    flex-direction: column-reverse;
  }

  .calc__next {
    width: 100%;
  }

  .calc__back {
    width: 100%;
  }

  .form__row {
    grid-template-columns: 1fr;
  }

  .form__row>.form__field+.form__field {
    border-left: 0;
    border-top: 1px solid var(--rule);
  }

  .accordion__question {
    padding: 1.25rem 0;
  }

  .cta-final__title {
    font-size: clamp(2rem, 9vw, 3rem);
  }

  .footer__top {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding-bottom: 2rem;
  }

  .social-proof__strip {
    gap: 1.5rem;
  }

  .social-proof__item {
    flex: 1 1 calc(50% - 0.75rem);
    min-width: 0;
  }
}

.cookie-banner {
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
  z-index: 1000;
  background: var(--color-background);
  border-top: 1px solid var(--color-gray-200);
  padding: var(--space-4) 0 var(--space-4);
}

.cookie-banner__inner {
  max-width: 768px;
  margin: 0 auto;
  padding: 0 var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--font-size-body);
}

.cookie-banner__text {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-gray-700);
}

.cookie-banner__text a {
  color: var(--color-brand-green);
  text-decoration: underline;
}

@media (max-width: 767px) {
  .cookie-banner {
    padding: var(--space-3) 0;
  }

  .cookie-banner__inner {
    align-items: flex-start;
    flex-direction: column;
    gap: var(--space-2);
    padding-inline: var(--space-3);
  }

  .cookie-banner__text {
    font-size: 0.875rem;
    line-height: 1.45;
  }

  .cookie-banner .btn {
    width: 100%;
  }
}

.client-video {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--gutter);

}
@media (max-width: 767px) {
  .header {
    padding: 10px 0 10px 0;
  }
}