/* ============================================================
   Алюм окно — Production Styles
   Based on design system tokens from Claude Design
   ============================================================ */

/* === COLOR TOKENS === */
:root {
  /* Base neutrals (cool graphite → paper) */
  --ink-900: #0E1116;
  --ink-800: #161B22;
  --ink-700: #232B35;
  --ink-600: #38424F;
  --ink-500: #5A6675;
  --ink-400: #7E8997;
  --ink-300: #A9B2BD;
  --ink-200: #CDD4DC;
  --ink-150: #DEE3E9;
  --ink-100: #EAEEF2;
  --ink-75:  #F1F4F7;
  --ink-50:  #F6F8FA;
  --paper:   #FAFBFC;
  --white:   #FFFFFF;

  /* Primary: blueprint blue */
  --blue-900: #0A2A78;
  --blue-800: #0E3AA3;
  --blue-700: #1547C2;
  --blue-600: #1E56C7;
  --blue-500: #2E69E0;
  --blue-300: #8FB0F2;
  --blue-100: #DEE9FC;
  --blue-50:  #EFF4FE;

  /* B2C path: warm bronze */
  --bronze-800: #7A4A1C;
  --bronze-700: #95591F;
  --bronze-600: #B26A23;
  --bronze-500: #C9822F;
  --bronze-300: #E2BC8C;
  --bronze-100: #F3E6D4;
  --bronze-50:  #FAF3E9;

  /* B2B path: steel */
  --steel-800: #2A3340;
  --steel-700: #38424F;
  --steel-600: #475467;
  --steel-300: #9AA6B5;
  --steel-100: #E3E8EE;
  --steel-50:  #F2F5F8;

  /* Semantic */
  --success-600: #1E9E5A;
  --success-100: #DBF1E5;
  --warning-600: #C98412;
  --warning-100: #F7EAD2;
  --danger-600:  #D23B3B;
  --danger-100:  #F8DDDD;

  /* Semantic aliases */
  --text-strong: var(--ink-900);
  --text-body: var(--ink-700);
  --text-muted: var(--ink-500);
  --text-inverse: var(--white);
  --surface-page: var(--paper);
  --surface-card: var(--white);
  --surface-ink: var(--ink-900);
  --border: var(--ink-100);
  --border-strong: var(--ink-200);
  --accent: var(--blue-600);
  --accent-hover: var(--blue-700);
  --accent-b2c: var(--bronze-600);
  --accent-b2b: var(--steel-600);
  --ring: 0 0 0 3px rgba(30, 86, 199, 0.32);

  /* === SPACING TOKENS === */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;
  --space-32: 128px;

  --section-y: clamp(64px, 9vw, 128px);
  --container: 1240px;
  --container-narrow: 880px;
  --gutter: clamp(20px, 4vw, 56px);

  /* === TYPOGRAPHY TOKENS === */
  --font-display: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-sans: 'Golos Text', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Consolas', 'Monaco', monospace;

  --fs-display: clamp(40px, 6vw, 76px);
  --fs-h1: clamp(32px, 4.5vw, 52px);
  --fs-h2: clamp(26px, 3.5vw, 38px);
  --fs-h3: 24px;
  --fs-h4: 20px;
  --fs-body-lg: 18px;
  --fs-body: 16px;
  --fs-sm: 14px;
  --fs-xs: 13px;

  --lh-tight: 1.04;
  --lh-snug: 1.16;
  --lh-normal: 1.5;
  --lh-relaxed: 1.65;

  /* === RADIUS & ELEVATION === */
  --r-xs: 4px;
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --r-xl: 18px;
  --r-2xl: 24px;
  --r-pill: 999px;

  --shadow-xs: 0 1px 2px rgba(20, 30, 45, 0.06);
  --shadow-sm: 0 1px 4px rgba(20, 30, 45, 0.08), 0 2px 8px rgba(20, 30, 45, 0.04);
  --shadow-md: 0 2px 8px rgba(20, 30, 45, 0.09), 0 6px 16px rgba(20, 30, 45, 0.06);
  --shadow-lg: 0 6px 16px rgba(20, 30, 45, 0.10), 0 12px 32px rgba(20, 30, 45, 0.08);
  --shadow-xl: 0 12px 32px rgba(20, 30, 45, 0.14), 0 24px 64px rgba(20, 30, 45, 0.12);
  --shadow-accent: 0 8px 24px rgba(30, 86, 199, 0.26);

  /* === MOTION === */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --dur-fast: 120ms;
  --dur-base: 200ms;
  --dur-slow: 320ms;
  --dur-slower: 480ms;
}

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

* {
  margin: 0;
  padding: 0;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-normal);
  color: var(--text-body);
  background: var(--surface-page);
  min-height: 100vh;
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--text-strong);
  line-height: var(--lh-snug);
  text-wrap: balance;
  letter-spacing: -0.01em;
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); }

p {
  line-height: var(--lh-relaxed);
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}

a:hover {
  color: var(--accent-hover);
}

ul {
  list-style: none;
}

/* === CONTAINER === */
.alu-container {
  width: 100%;
  max-width: var(--container);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.alu-container-narrow {
  max-width: var(--container-narrow);
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0 var(--space-6);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: var(--fs-body);
  line-height: 1;
  border: none;
  border-radius: var(--r-md);
  cursor: pointer;
  transition: all var(--dur-base) var(--ease-out);
  white-space: nowrap;
  min-height: 44px;
}

.btn-sm {
  min-height: 36px;
  padding: 0 var(--space-4);
  font-size: var(--fs-sm);
}

.btn-lg {
  min-height: 54px;
  padding: 0 var(--space-8);
  font-size: var(--fs-body-lg);
}

.btn-block {
  width: 100%;
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: var(--shadow-accent);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--white);
  color: var(--text-strong);
  border: 1.5px solid var(--border-strong);
}

.btn-secondary:hover {
  background: var(--ink-50);
  border-color: var(--ink-200);
}

.btn-ink {
  background: var(--surface-ink);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.26);
}

.btn-ink:hover {
  background: var(--ink-800);
  border-color: rgba(255, 255, 255, 0.38);
}

/* === HEADER === */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 251, 252, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-content {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  min-height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-h4);
  color: var(--text-strong);
}

.logo svg {
  color: var(--accent);
}

.nav {
  display: flex;
  gap: var(--space-8);
  margin-left: auto;
}

.nav a {
  color: var(--text-body);
  font-weight: 500;
  padding: var(--space-2) 0;
  position: relative;
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform var(--dur-base) var(--ease-out);
}

.nav a:hover::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.phone {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text-strong);
  font-size: var(--fs-body-lg);
}

/* === HERO === */
.hero-home {
  position: relative;
  background: #0B0E13;
  color: var(--white);
  padding: clamp(48px, 8vw, 96px) 0;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.blueprint-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(143, 176, 242, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143, 176, 242, 0.055) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(to bottom, black 40%, transparent 100%);
}

.hero-glow {
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60%;
  height: 80%;
  background: radial-gradient(circle, rgba(143, 176, 242, 0.14) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--space-16);
  align-items: center;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #8FB0F2;
  margin-bottom: var(--space-6);
  padding-left: var(--space-8);
  border-left: 2px solid #8FB0F2;
  line-height: 1.8;
}

.hero-title {
  font-size: var(--fs-display);
  font-weight: 800;
  line-height: var(--lh-tight);
  color: var(--white);
  margin-bottom: var(--space-6);
}

.text-accent {
  color: #8FB0F2;
}

.hero-lead {
  font-size: var(--fs-body-lg);
  line-height: var(--lh-relaxed);
  color: rgba(255, 255, 255, 0.66);
  margin-bottom: var(--space-8);
  max-width: 540px;
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-6);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: var(--r-lg);
}

.badge-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(143, 176, 242, 0.14);
  border-radius: var(--r-sm);
  color: #8FB0F2;
}

.badge-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.badge-text strong {
  font-weight: 600;
  color: var(--white);
  font-size: var(--fs-body);
}

.badge-text span {
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.52);
}

/* Hero Visual - Glass Panels */
.hero-visual {
  position: relative;
  height: 500px;
}

.glass-panel {
  position: absolute;
  width: 280px;
  height: 400px;
  background: linear-gradient(
    135deg,
    rgba(143, 176, 242, 0.17),
    rgba(255, 255, 255, 0.04) 55%,
    rgba(143, 176, 242, 0.09)
  );
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-top-color: rgba(255, 255, 255, 0.38);
  border-radius: 6px;
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: flex-end;
  padding: var(--space-6);
  transition: transform var(--dur-slow) var(--ease-out);
}

.panel-1 {
  top: 20%;
  left: 0;
  transform: rotate(-3deg);
}
.panel-1[data-rotate] { --rotate: -3; }

.panel-2 {
  top: 10%;
  left: 50%;
  transform: translateX(-50%) rotate(2.5deg);
  z-index: 2;
}
.panel-2[data-rotate] { --rotate: 2.5; }

.panel-3 {
  top: 25%;
  right: 0;
  transform: rotate(-1.5deg);
}
.panel-3[data-rotate] { --rotate: -1.5; }

.panel-label {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white);
  background: rgba(14, 17, 22, 0.64);
  backdrop-filter: blur(8px);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--r-pill);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

/* Production Line */
.production-line {
  margin-top: var(--space-16);
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  position: relative;
}

.line-beam {
  position: absolute;
  top: 0;
  left: 0;
  height: 2px;
  width: 100%;
  background: linear-gradient(
    90deg,
    var(--blue-500) 0%,
    #8FB0F2 100%
  );
  transform: scaleX(0);
  transform-origin: left;
  animation: beam 1.6s var(--ease-out) 0.4s forwards;
}

@keyframes beam {
  to { transform: scaleX(1); }
}

.line-stations {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-6);
}

.station {
  opacity: 0;
  animation: stationAppear var(--dur-slow) var(--ease-out) forwards;
}

.station:nth-child(1) { animation-delay: 0.5s; }
.station:nth-child(2) { animation-delay: 0.6s; }
.station:nth-child(3) { animation-delay: 0.7s; }
.station:nth-child(4) { animation-delay: 0.8s; }
.station:nth-child(5) { animation-delay: 0.9s; }

@keyframes stationAppear {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.station-num {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: #8FB0F2;
  margin-bottom: var(--space-2);
}

.station-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-body);
  color: var(--white);
  margin-bottom: var(--space-1);
}

.station-desc {
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.52);
}

/* === PATH SECTION === */
.path-section {
  padding: var(--section-y) 0;
}

.path-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}

.path-card {
  position: relative;
  display: block;
  padding: var(--space-10);
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--dur-base) var(--ease-out);
  overflow: hidden;
}

.path-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 4px;
  background: currentColor;
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform var(--dur-slow) var(--ease-out);
}

.path-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.path-card:hover::before {
  transform: scaleY(1);
}

.path-b2c {
  color: var(--accent-b2c);
}

.path-b2b {
  color: var(--accent-b2b);
}

.path-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.path-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: currentColor;
  opacity: 0.12;
  border-radius: var(--r-md);
  color: inherit;
}

.path-icon i {
  width: 24px;
  height: 24px;
  color: currentColor;
  opacity: 8;
}

.path-tag {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.path-title {
  color: var(--text-strong);
  margin-bottom: var(--space-4);
}

.path-desc {
  color: var(--text-muted);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--space-6);
}

.path-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.path-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  color: var(--text-body);
  font-size: var(--fs-body);
}

.path-list i {
  width: 20px;
  height: 20px;
  color: currentColor;
  flex-shrink: 0;
  margin-top: 2px;
}

.path-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 600;
  color: currentColor;
  font-size: var(--fs-body-lg);
}

.path-cta i {
  width: 20px;
  height: 20px;
  transition: transform var(--dur-base) var(--ease-out);
}

.path-card:hover .path-cta i {
  transform: translateX(4px);
}

/* === ADVANTAGES === */
.advantages-section {
  padding: var(--section-y) 0;
  background: var(--surface-page);
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
}

.advantage {
  padding-top: var(--space-6);
  border-top: 2px solid var(--border);
}

.advantage.primary {
  border-top-color: var(--accent);
}

.advantage-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ink-50);
  border-radius: var(--r-md);
  color: var(--accent);
  margin-bottom: var(--space-6);
}

.advantage-icon i {
  width: 28px;
  height: 28px;
}

.advantage h3 {
  font-size: var(--fs-h4);
  margin-bottom: var(--space-3);
}

.advantage p {
  color: var(--text-muted);
  font-size: var(--fs-body);
}

/* === PRODUCTION SECTION === */
.production-section {
  padding: var(--section-y) 0;
  background: var(--surface-ink);
  color: var(--white);
}

.production-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.production-content h2 {
  color: var(--white);
  margin-bottom: var(--space-6);
}

.production-content p {
  color: rgba(255, 255, 255, 0.72);
  font-size: var(--fs-body-lg);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--space-8);
}

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

.production-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  color: rgba(255, 255, 255, 0.86);
}

.production-list i {
  width: 20px;
  height: 20px;
  color: #8FB0F2;
  flex-shrink: 0;
  margin-top: 2px;
}

.production-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}

.stat {
  text-align: center;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 700;
  color: var(--white);
  line-height: 1;
  margin-bottom: var(--space-3);
  font-feature-settings: 'tnum';
}

.stat-label {
  font-size: var(--fs-body);
  color: rgba(255, 255, 255, 0.62);
}

/* === CTA SECTION === */
.cta-section {
  padding: var(--section-y) 0;
}

.cta-card {
  background: var(--surface-ink);
  color: var(--white);
  padding: var(--space-16);
  border-radius: var(--r-2xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(143, 176, 242, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143, 176, 242, 0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

.cta-card h2 {
  color: var(--white);
  margin-bottom: var(--space-4);
  position: relative;
}

.cta-card p {
  color: rgba(255, 255, 255, 0.72);
  font-size: var(--fs-body-lg);
  max-width: 640px;
  margin: 0 auto var(--space-8);
  position: relative;
}

.cta-actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
}

/* === FOOTER === */
.site-footer {
  background: var(--surface-ink);
  color: rgba(255, 255, 255, 0.72);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-h4);
  color: var(--white);
  margin-bottom: var(--space-4);
}

.footer-logo svg {
  color: var(--white);
}

.footer-desc {
  color: rgba(255, 255, 255, 0.62);
  line-height: var(--lh-relaxed);
  max-width: 320px;
}

.footer-col h4 {
  color: var(--white);
  font-size: var(--fs-body);
  font-weight: 600;
  margin-bottom: var(--space-4);
}

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

.footer-col a {
  color: rgba(255, 255, 255, 0.72);
  font-size: var(--fs-body);
  transition: color var(--dur-fast) var(--ease-out);
}

.footer-col a:hover {
  color: var(--white);
}

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.52);
  gap: var(--space-6);
  flex-wrap: wrap;
}

/* === MODAL === */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-slow) var(--ease-out);
}

.modal.active {
  opacity: 1;
  pointer-events: all;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(14, 17, 22, 0.55);
  backdrop-filter: blur(3px);
}

.modal-content {
  position: relative;
  width: 100%;
  max-width: 520px;
  background: var(--white);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-xl);
  padding: var(--space-10);
  transform: translateY(16px);
  transition: transform var(--dur-slow) var(--ease-out);
}

.modal.active .modal-content {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: var(--r-sm);
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-out);
}

.modal-close:hover {
  background: var(--ink-50);
  color: var(--text-strong);
}

.modal-header {
  margin-bottom: var(--space-8);
}

.modal-header h2 {
  margin-bottom: var(--space-3);
}

.modal-header p {
  color: var(--text-muted);
}

/* === FORMS === */
.lead-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-field label {
  font-weight: 600;
  font-size: var(--fs-sm);
  color: var(--text-strong);
}

.required {
  color: var(--danger-600);
}

.form-field input,
.form-field textarea {
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  color: var(--text-strong);
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--r-md);
  transition: all var(--dur-fast) var(--ease-out);
  min-height: 44px;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: var(--ring);
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: var(--text-subtle);
}

.checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  cursor: pointer;
}

.checkbox input {
  width: 20px;
  height: 20px;
  margin: 0;
  flex-shrink: 0;
  cursor: pointer;
  accent-color: var(--accent);
}

.checkbox span {
  font-size: var(--fs-sm);
  color: var(--text-muted);
  line-height: 1.4;
}

/* Success Message */
.modal-success {
  text-align: center;
  padding: var(--space-8) 0;
}

.success-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto var(--space-6);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--success-100);
  border-radius: 50%;
  color: var(--success-600);
}

.success-icon i {
  width: 40px;
  height: 40px;
}

.modal-success h3 {
  margin-bottom: var(--space-4);
}

.modal-success p {
  color: var(--text-muted);
  margin-bottom: var(--space-8);
}

/* === RESPONSIVE === */
@media (max-width: 1080px) {
  .nav,
  .header-actions .phone {
    display: none;
  }
}

@media (max-width: 980px) {
  .hero-grid,
  .path-grid,
  .production-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    height: 340px;
  }

  .glass-panel {
    width: 220px;
    height: 320px;
  }

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

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

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

@media (max-width: 640px) {
  .hero-actions,
  .cta-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .advantages-grid,
  .production-stats {
    grid-template-columns: 1fr;
  }

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

/* === UTILITY CLASSES === */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.mt-4 { margin-top: var(--space-4); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }

/* === PREFERS REDUCED MOTION === */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}
