/* =========================================
   NashDomBG Landing Page — landing.css
   Brand: warm, calm, honest, caring
   ========================================= */

/* --- Custom Properties --- */
:root {
  --color-primary:    #3B7A8C;
  --color-primary-dk: #2e6070;
  --color-secondary:  #D4A574;
  --color-light:      #F5F0EB;
  --color-dark:       #2D3436;
  --color-accent:     #C0392B;
  --color-muted:      #7F8C8D;
  --color-white:      #FFFFFF;
  --color-teal-light: #EDF4F6;
  --color-border:     #E8E2DA;

  --shadow-card:      0 2px 8px rgba(45, 52, 54, 0.08);
  --shadow-card-hover:0 6px 20px rgba(45, 52, 54, 0.13);
  --shadow-nav:       0 1px 12px rgba(45, 52, 54, 0.10);

  --radius-card: 10px;
  --radius-btn:  10px;

  --max-w: 1120px;
  --font:  'Source Sans 3', 'Source Sans Pro', sans-serif;

  /* --- Motion tokens --- */
  --ease-glass:  cubic-bezier(0.33, 1, 0.68, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-slide:  cubic-bezier(0.25, 1, 0.5, 1);
  --ease-soft:   cubic-bezier(0.22, 1, 0.36, 1);

  --dur-instant:  100ms;
  --dur-fade:     150ms;
  --dur-quick:    200ms;
  --dur-standard: 300ms;
  --dur-slide:    350ms;
  --dur-enter:    400ms;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 17px;
}

body {
  font-family: var(--font);
  color: var(--color-dark);
  background: var(--color-white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

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

/* --- Typography --- */
h1 {
  font-size: clamp(28px, 4vw, 36px);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.3px;
}

h2 {
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.2px;
}

h3 {
  font-size: clamp(18px, 2.2vw, 21px);
  font-weight: 600;
  line-height: 1.35;
}

p {
  font-size: 17px;
  line-height: 1.7;
  color: #4A5568;
}

/* --- Layout Utilities --- */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}

.section--alt {
  background: var(--color-light);
}

.section--teal {
  background: var(--color-teal-light);
}

/* --- Fade-in animation --- */
.fade-in {
  opacity: 0;
  transform: translateY(16px) scale(0.97);
  transition: opacity var(--dur-enter) var(--ease-glass),
              transform var(--dur-enter) var(--ease-glass);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Staggered card entrance */
.fade-in[style*="--stagger-i"] {
  transition-delay: calc(var(--stagger-i, 0) * 120ms);
}

/* Feature slide-in: content from left */
.feature__content.fade-in {
  transform: translateX(-24px) scale(0.98);
  transition: opacity var(--dur-enter) var(--ease-slide),
              transform 500ms var(--ease-slide);
}
.feature__content.fade-in.visible {
  transform: translateX(0) scale(1);
}

/* Feature slide-in: visual from right */
.feature__visual.fade-in {
  transform: translateX(24px) scale(0.98);
  transition: opacity var(--dur-enter) var(--ease-slide),
              transform 500ms var(--ease-slide);
  transition-delay: 100ms;
}
.feature__visual.fade-in.visible {
  transform: translateX(0) scale(1);
}

/* Feature reversed: swap directions */
.feature--reversed .feature__content.fade-in {
  transform: translateX(24px) scale(0.98);
}
.feature--reversed .feature__content.fade-in.visible {
  transform: translateX(0) scale(1);
}
.feature--reversed .feature__visual.fade-in {
  transform: translateX(-24px) scale(0.98);
}
.feature--reversed .feature__visual.fade-in.visible {
  transform: translateX(0) scale(1);
}

/* Stats counter entrance */
.stats__item.fade-in {
  transform: translateY(12px) scale(0.97);
}
.stats__item.fade-in.visible .stats__value {
  animation: stats-pop var(--dur-enter) var(--ease-spring) both;
}
@keyframes stats-pop {
  from { transform: scale(0.8); opacity: 0; }
  to   { transform: scale(1);   opacity: 1; }
}

/* Cost line stagger */
.cost-line {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--dur-standard) var(--ease-glass),
              transform var(--dur-standard) var(--ease-glass);
  transition-delay: calc(var(--cost-i, 0) * 80ms);
}
.mock-cost.visible .cost-line {
  opacity: 1;
  transform: translateY(0);
}
.mock-cost.visible .cost-line--total {
  transition-delay: calc((var(--cost-i, 0) * 80ms) + 100ms);
  animation: total-appear var(--dur-standard) var(--ease-spring) both;
  animation-delay: calc((var(--cost-i, 0) * 80ms) + 100ms);
}
@keyframes total-appear {
  from { transform: translateY(10px) scale(0.97); opacity: 0; }
  to   { transform: translateY(0)    scale(1);    opacity: 1; }
}

/* --- Navigation --- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-standard) var(--ease-glass),
              box-shadow var(--dur-standard) var(--ease-glass);
}

.nav.scrolled {
  border-color: var(--color-border);
  box-shadow: var(--shadow-nav);
  transition: border-color var(--dur-standard) var(--ease-glass),
              box-shadow var(--dur-standard) var(--ease-glass);
}

/* Scroll-aware: hide nav on scroll down (Telegram pattern) */
.nav--hidden {
  transform: translateY(-100%);
  box-shadow: none;
}

.nav {
  transition: border-color var(--dur-standard) var(--ease-glass),
              box-shadow var(--dur-standard) var(--ease-glass),
              transform var(--dur-quick) var(--ease-slide);
}

.nav__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.3px;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav__links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-dark);
  padding: 8px 14px;
  border-radius: 8px;
  transition: background 0.15s, color 0.15s;
}

.nav__links a:hover {
  background: var(--color-light);
  color: var(--color-primary);
}

.nav__links .btn--nav {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 9px 20px;
  border-radius: var(--radius-btn);
  font-weight: 600;
}

.nav__links .btn--nav:hover {
  background: var(--color-primary-dk);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  border-radius: var(--radius-btn);
  font-family: var(--font);
  font-size: 17px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: background var(--dur-standard) var(--ease-glass),
              transform 250ms var(--ease-spring),
              box-shadow 250ms var(--ease-glass);
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 4px 16px rgba(59, 122, 140, 0.25);
}

.btn--primary:hover {
  background: var(--color-primary-dk);
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 24px rgba(59, 122, 140, 0.35);
}

.btn--primary:active {
  transform: translateY(0) scale(0.98);
  transition-duration: var(--dur-instant);
  box-shadow: 0 2px 8px rgba(59, 122, 140, 0.20);
}

.btn--secondary {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  box-shadow: none;
}
.btn--secondary:hover {
  background: rgba(59, 122, 140, 0.08);
  transform: translateY(-2px) scale(1.02);
}
.btn--secondary:active {
  transform: translateY(0) scale(0.98);
  transition-duration: var(--dur-instant);
}

/* --- Hero --- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 100px 0 80px;
  text-align: center;
  min-height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__video {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  object-fit: cover;
  z-index: 0;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(0, 30, 40, 0.55) 0%,
    rgba(0, 30, 40, 0.45) 60%,
    rgba(0, 30, 40, 0.65) 100%
  );
  z-index: 1;
}

.hero__inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 2;
}

.hero h1 {
  margin-bottom: 24px;
  color: #ffffff;
  text-shadow: 0 2px 12px rgba(0,0,0,0.3);
}

.hero__subtitle {
  font-size: 19px;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 40px;
  text-shadow: 0 1px 8px rgba(0,0,0,0.25);
}

.hero__cta {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero__free-note {
  font-size: 15px;
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.2px;
}

.hero .btn--secondary {
  border-color: rgba(255,255,255,0.4);
  color: #fff;
}
.hero .btn--secondary:hover {
  border-color: rgba(255,255,255,0.7);
  background: rgba(255,255,255,0.1);
}

/* --- Stats Bar --- */
.stats {
  background: var(--color-white);
  padding: 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.stats__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 36px 24px;
  gap: 10px;
  border-right: 1px solid var(--color-border);
  text-align: center;
}

.stats__item:last-child {
  border-right: none;
}

.stats__icon {
  color: var(--color-primary);
  width: 28px;
  height: 28px;
}

.stats__value {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1;
}

.stats__label {
  font-size: 14px;
  color: #636E70;
  font-weight: 500;
}

/* --- Section Label --- */
.section-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--color-primary);
  background: rgba(59, 122, 140, 0.10);
  padding: 5px 12px;
  border-radius: 20px;
  margin-bottom: 16px;
}

/* --- Problem Section --- */
.problem__header {
  text-align: center;
  margin-bottom: 48px;
}

.problem__header .section-label {
  color: var(--color-muted);
  background: rgba(127, 140, 141, 0.10);
}

.problem__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

.problem-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 28px;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--dur-standard) var(--ease-glass),
              transform var(--dur-standard) var(--ease-glass),
              border-color var(--dur-standard) var(--ease-glass);
}

.problem-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
  border-color: rgba(59, 122, 140, 0.20);
}

.problem-card__icon {
  width: 40px;
  height: 40px;
  background: rgba(192, 57, 43, 0.08);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--color-accent);
}

.problem-card__title {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-dark);
}

.problem-card__text {
  font-size: 15px;
  line-height: 1.65;
  color: #4A5259;
}

.problem__closer {
  text-align: center;
  font-size: 19px;
  font-weight: 600;
  color: var(--color-primary);
  padding: 8px 0;
}

/* --- Pillars --- */
.pillars__header {
  text-align: center;
  margin-bottom: 48px;
}

.pillars__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.pillar-card {
  background: var(--color-white);
  border-radius: var(--radius-card);
  padding: 32px 28px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--dur-standard) var(--ease-glass),
              transform var(--dur-standard) var(--ease-glass),
              border-color var(--dur-standard) var(--ease-glass);
}

.pillar-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
  border-color: rgba(59, 122, 140, 0.20);
}

.pillar-card__icon {
  width: 44px;
  height: 44px;
  background: rgba(59, 122, 140, 0.10);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--color-primary);
}

.pillar-card h3 {
  margin-bottom: 12px;
  color: var(--color-dark);
}

/* --- Features --- */
.feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding: 80px 0;
  border-bottom: 1px solid var(--color-border);
}

.feature:last-child {
  border-bottom: none;
}

.feature--reversed .feature__content {
  order: 2;
}

.feature--reversed .feature__visual {
  order: 1;
}

.feature__content .section-label {
  display: inline-block;
}

.feature__content h3 {
  margin: 12px 0 16px;
  font-size: 22px;
}

/* --- Buy Score Mockup --- */
.mock-buy-score {
  background: var(--color-white);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  padding: 32px;
  max-width: 340px;
  margin: 0 auto;
}

.mock-buy-score__header {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-muted);
  letter-spacing: 0.5px;
  margin-bottom: 20px;
}

.mock-buy-score__ring-wrap {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 24px;
}

/* CSS-only circular progress ring — SVG via inline */
.score-ring-container {
  position: relative;
  width: 96px;
  height: 96px;
  flex-shrink: 0;
}

.score-ring-bg {
  fill: none;
  stroke: var(--color-border);
  stroke-width: 8;
}

.score-ring-fill {
  fill: none;
  stroke: var(--color-primary);
  stroke-width: 8;
  stroke-linecap: round;
  /* circumference ≈ 2π×40 = 251.3 — default hidden until visible */
  stroke-dasharray: 0 251.3;
  transform: rotate(-90deg);
  transform-origin: 50% 50%;
  transition: stroke-dasharray 800ms var(--ease-glass);
  transition-delay: 200ms;
}

.mock-buy-score.score-animated .score-ring-fill {
  stroke-dasharray: 185.9 251.3;
}

.score-ring-value {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1;
}

.score-ring-value span {
  font-size: 11px;
  color: var(--color-muted);
  font-weight: 500;
}

.score-verdict {
  font-size: 15px;
  color: var(--color-dark);
}

.score-verdict strong {
  font-weight: 700;
  color: #2D8C4E;
  display: block;
  font-size: 17px;
}

.score-bars {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.score-bar-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
  gap: 12px;
}

.score-bar-label {
  color: var(--color-muted);
  min-width: 100px;
}

.score-bar-track {
  flex: 1;
  height: 6px;
  background: var(--color-border);
  border-radius: 3px;
  overflow: hidden;
}

.score-bar-fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: 3px;
  /* width set via inline style; transform used for animation */
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 600ms var(--ease-slide);
  transition-delay: calc(var(--bar-i, 0) * 100ms + 300ms);
}

.mock-buy-score.score-animated .score-bar-fill {
  transform: scaleX(1);
}

.score-bar-num {
  font-weight: 600;
  color: var(--color-dark);
  min-width: 28px;
  text-align: right;
}

/* --- Cost Breakdown Mockup --- */
.mock-cost {
  background: var(--color-white);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  padding: 28px;
  max-width: 340px;
  margin: 0 auto;
}

.mock-cost__title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-muted);
  letter-spacing: 0.3px;
  margin-bottom: 20px;
}

.cost-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 15px;
}

.cost-line:last-of-type {
  border-bottom: none;
}

.cost-line--total {
  margin-top: 8px;
  padding-top: 16px;
  border-top: 2px solid var(--color-dark);
  font-weight: 700;
  font-size: 17px;
  color: var(--color-dark);
}

.cost-line__label {
  color: #4A5568;
}

.cost-line__amount {
  font-weight: 600;
  color: var(--color-dark);
}

.cost-line--total .cost-line__label,
.cost-line--total .cost-line__amount {
  color: var(--color-dark);
}

.cost-badge {
  display: inline-block;
  margin-top: 16px;
  background: rgba(59, 122, 140, 0.10);
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
}

/* --- Comparison Mockup --- */
.mock-compare {
  background: var(--color-white);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  overflow: hidden;
  max-width: 380px;
  margin: 0 auto;
}

.mock-compare__head {
  display: grid;
  grid-template-columns: 120px 1fr 1fr 1fr;
  background: var(--color-light);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.3px;
  color: var(--color-muted);
}

.mock-compare__head div,
.mock-compare__row div {
  padding: 10px 12px;
  border-right: 1px solid var(--color-border);
}

.mock-compare__head div:last-child,
.mock-compare__row div:last-child {
  border-right: none;
}

.mock-compare__row {
  display: grid;
  grid-template-columns: 120px 1fr 1fr 1fr;
  font-size: 15px;
  border-top: 1px solid var(--color-border);
}

.mock-compare__row:nth-child(even) {
  background: #FAFAFA;
}

.mock-compare__row--highlight {
  background: rgba(59, 122, 140, 0.05);
}

.mock-compare__row .city-name {
  font-weight: 600;
  color: var(--color-dark);
}

.mock-compare__row .best {
  color: #2D8C4E;
  font-weight: 600;
}

/* --- Transformation --- */
.transform__header {
  text-align: center;
  margin-bottom: 48px;
}

.transform__cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.transform__col-head {
  padding: 16px 28px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.3px;
}

.transform__col-head--before {
  background: #F0EDEA;
  color: var(--color-muted);
}

.transform__col-head--after {
  background: var(--color-primary);
  color: rgba(255,255,255,0.85);
}

.transform__row {
  display: contents;
}

.transform__cell {
  padding: 20px 28px;
  font-size: 15px;
  line-height: 1.6;
  border-top: 1px solid rgba(0,0,0,0.05);
}

.transform__cell--before {
  background: #FAF7F4;
  color: #7A7A7A;
}

.transform__cell--after {
  background: rgba(59, 122, 140, 0.04);
  color: var(--color-dark);
  font-weight: 500;
}

/* --- Origin --- */
.origin__inner {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.origin__inner h2 {
  margin-bottom: 28px;
}

.origin__text {
  font-size: 18px;
  line-height: 1.75;
  color: #4A5568;
  margin-bottom: 20px;
}

.origin__signature {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
  font-style: italic;
  margin-top: 28px;
}

/* --- Final CTA --- */
.final-cta {
  text-align: center;
  background: linear-gradient(160deg, var(--color-primary) 0%, #2e6070 100%);
  color: var(--color-white);
  padding: 96px 0;
}

.final-cta h2 {
  color: var(--color-white);
  margin-bottom: 16px;
}

.final-cta__sub {
  font-size: 18px;
  color: rgba(255,255,255,0.80);
  margin-bottom: 40px;
}

.btn--light {
  background: var(--color-white);
  color: var(--color-primary);
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

.btn--light:hover {
  background: var(--color-light);
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 24px rgba(0,0,0,0.20);
}

.btn--light:active {
  transform: translateY(0) scale(0.98);
  transition-duration: var(--dur-instant);
}

.final-cta__trust {
  display: flex;
  justify-content: center;
  gap: 36px;
  margin-top: 36px;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255,255,255,0.75);
  font-weight: 500;
}

.trust-item svg {
  width: 18px;
  height: 18px;
  opacity: 0.9;
}

/* --- Next Step --- */
.next-step {
  text-align: center;
}
.next-step h2 {
  margin-bottom: 40px;
}
.next-step__cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.next-step__card {
  display: block;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 32px 24px;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--dur-standard) var(--ease-glass),
              transform var(--dur-standard) var(--ease-glass),
              border-color var(--dur-standard) var(--ease-glass);
  text-decoration: none;
  color: inherit;
}
.next-step__card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-3px);
  border-color: var(--color-primary);
}
.next-step__icon {
  font-size: 32px;
  margin-bottom: 16px;
}
.next-step__card h3 {
  margin-bottom: 8px;
  color: var(--color-primary);
}
.next-step__card p {
  font-size: 15px;
  line-height: 1.6;
}

/* --- Footer --- */
.footer {
  background: var(--color-dark);
  color: rgba(255,255,255,0.7);
  padding: 40px 0 32px;
}

.footer__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 32px;
  flex-wrap: wrap;
}

.footer__brand {
  font-size: 15px;
  line-height: 1.5;
  max-width: 320px;
}

.footer__brand strong {
  color: var(--color-white);
  font-size: 16px;
}

.footer__links {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.footer__links a {
  color: rgba(255,255,255,0.65);
  font-size: 14px;
  padding: 6px 10px;
  border-radius: 6px;
  transition: color 0.15s, background 0.15s;
}

.footer__links a:hover {
  color: var(--color-white);
  background: rgba(255,255,255,0.07);
}

.footer__bottom {
  max-width: var(--max-w);
  margin: 24px auto 0;
  padding: 16px 24px 0;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 13px;
  color: rgba(255,255,255,0.40);
}

/* --- Transformation rows stagger --- */

.transform__cell--before,
.transform__cell--after {
  opacity: 0;
  transition: opacity var(--dur-standard) var(--ease-glass),
              transform var(--dur-standard) var(--ease-slide);
}

.transform__cell--before {
  transform: translateX(-16px);
}

.transform__cell--after {
  transform: translateX(16px);
}

.transform__cols.visible .transform__cell--before,
.transform__cols.visible .transform__cell--after {
  opacity: 1;
  transform: translateX(0);
}

.transform__cols.visible .transform__row:nth-child(3) .transform__cell--before,
.transform__cols.visible .transform__row:nth-child(3) .transform__cell--after {
  transition-delay: 100ms;
}
.transform__cols.visible .transform__row:nth-child(4) .transform__cell--before,
.transform__cols.visible .transform__row:nth-child(4) .transform__cell--after {
  transition-delay: 200ms;
}
.transform__cols.visible .transform__row:nth-child(5) .transform__cell--before,
.transform__cols.visible .transform__row:nth-child(5) .transform__cell--after {
  transition-delay: 300ms;
}
.transform__cols.visible .transform__row:nth-child(6) .transform__cell--before,
.transform__cols.visible .transform__row:nth-child(6) .transform__cell--after {
  transition-delay: 400ms;
}

/* =========================================
   Responsive
   ========================================= */

@media (max-width: 900px) {
  .problem__grid,
  .pillars__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .feature {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 40px 0;
  }

  /* On mobile: visual first (mockup = hook), text second */
  .feature__visual { order: -1; }
  .feature--reversed .feature__content { order: 0; }
  .feature--reversed .feature__visual  { order: -1; }

  /* Fix animation direction: translateY on mobile (not translateX) */
  .feature__content.fade-in {
    transform: translateY(16px) scale(0.98);
  }
  .feature__content.fade-in.visible {
    transform: translateY(0) scale(1);
  }
  .feature__visual.fade-in {
    transform: translateY(16px) scale(0.98);
  }
  .feature__visual.fade-in.visible {
    transform: translateY(0) scale(1);
  }
  .feature--reversed .feature__content.fade-in {
    transform: translateY(16px) scale(0.98);
  }
  .feature--reversed .feature__content.fade-in.visible {
    transform: translateY(0) scale(1);
  }
  .feature--reversed .feature__visual.fade-in {
    transform: translateY(16px) scale(0.98);
  }
  .feature--reversed .feature__visual.fade-in.visible {
    transform: translateY(0) scale(1);
  }

  /* Transform: card layout instead of hidden "before" */
  .transform__cols {
    display: flex;
    flex-direction: column;
    gap: 16px;
    box-shadow: none;
    border-radius: 0;
  }

  .transform__col-head--before,
  .transform__col-head--after {
    display: none;
  }

  .transform__row {
    display: flex;
    flex-direction: column;
    background: var(--color-white);
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--color-border);
  }

  .transform__cell--before {
    display: block;
    background: #FAF7F4;
    color: #7A7A7A;
    padding: 16px 20px;
    font-size: 14px;
    border-bottom: 1px solid var(--color-border);
    position: relative;
  }

  .transform__cell--before::before {
    content: 'Раньше';
    display: block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--color-muted);
    margin-bottom: 4px;
    text-transform: uppercase;
  }

  .transform__cell--after {
    padding: 16px 20px;
    font-size: 14px;
    position: relative;
  }

  .transform__cell--after::before {
    content: 'Сейчас';
    display: block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--color-primary);
    margin-bottom: 4px;
    text-transform: uppercase;
  }

  .next-step__cards {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

@media (max-width: 700px) {
  .section {
    padding: 40px 0;
  }

  .hero {
    padding: 48px 0 40px;
  }

  /* Stats: compact 3-column on mobile */
  .stats__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .stats__item {
    padding: 20px 8px;
    gap: 6px;
  }

  .stats__value {
    font-size: 22px;
  }

  .stats__label {
    font-size: 11px;
    line-height: 1.3;
  }

  .stats__icon {
    width: 20px;
    height: 20px;
  }

  .hero__cta {
    flex-direction: column;
  }

  .nav__links .link--hide-mobile {
    display: none;
  }

  /* Nav: prevent text wrapping on small screens */
  .nav__inner {
    padding: 0 12px;
    height: 56px;
  }

  .nav__logo {
    font-size: 17px;
  }

  .nav__links {
    gap: 6px;
  }

  .nav__links a {
    font-size: 13px;
    padding: 6px 10px;
    white-space: nowrap;
  }

  .nav__links .btn--nav {
    padding: 7px 14px;
    font-size: 13px;
  }

  /* Reduce feature padding further on small mobile */
  .feature {
    padding: 32px 0;
    gap: 20px;
  }

  .final-cta {
    padding: 56px 0;
  }

  .final-cta__trust {
    gap: 20px;
  }

  .footer__inner {
    flex-direction: column;
    gap: 20px;
  }

  /* Remove hover artifacts on touch devices */
  .problem-card:hover,
  .pillar-card:hover,
  .next-step__card:hover {
    transform: none;
    box-shadow: var(--shadow-card);
  }

  /* Better touch feedback */
  .problem-card:active,
  .pillar-card:active,
  .next-step__card:active {
    transform: scale(0.97);
    transition-duration: var(--dur-instant);
  }

  .btn:active {
    transform: scale(0.96);
    transition-duration: var(--dur-instant);
  }
}

/* --- FAB Scroll-to-top --- */
.fab-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 90;
  color: var(--color-primary);
  transition: transform var(--dur-quick) var(--ease-spring),
              opacity var(--dur-quick) var(--ease-glass);
  will-change: transform, opacity;
}

.fab-top:active {
  transform: scale(0.9);
  transition-duration: var(--dur-instant);
}

.fab-top.is-hidden {
  transform: translateY(80px) scale(0.8);
  opacity: 0;
  pointer-events: none;
}

/* --- Ripple (Telegram pattern) --- */
@keyframes landing-ripple-expand {
  0%   { transform: scale(0); opacity: 0.3; }
  100% { transform: scale(2); opacity: 0; }
}

.landing-ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(59, 122, 140, 0.15);
  pointer-events: none;
  animation: landing-ripple-expand 600ms var(--ease-glass) forwards;
}

/* =========================================
   Reduced Motion
   ========================================= */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
  }
  .hero__video {
    display: none;
  }
  .hero {
    background: linear-gradient(160deg, #e8f0f2 0%, #ffffff 60%);
  }
  .hero h1 { color: #1a2b32; text-shadow: none; }
  .hero__subtitle { color: #4A5259; text-shadow: none; }
  .hero__free-note { color: #6b7c85; }
  .hero .btn--secondary { border-color: #3B7A8C; color: #3B7A8C; }
}