/* ============================================================
   VARDAN INFRA — INDUSTRIAL LUXURY DESIGN SYSTEM
   "Where raw construction power meets gold craftsmanship"
   ============================================================ */

/* ---------- Design Tokens ---------- */
:root {
  /* Primary Palette — Black & Gold */
  --ink: #0a0a0a;
  --ink-light: #1a1a1a;
  --ink-medium: #2a2a2a;
  --steel: #3a3a3a;
  --steel-light: #5a5a5a;
  --muted: #8a8a8a;
  --paper: #faf8f2;
  --surface: #ffffff;
  --surface-warm: #f5f0e6;

  /* Gold System — Rich, not cheap */
  --gold: #c9a84c;
  --gold-light: #e8d48b;
  --gold-dark: #a07d2e;
  --gold-deep: #7a5c1e;
  --gold-shine: #f5e6a3;

  /* Accent — Safety Orange (construction identity) */
  --accent: #e8720c;
  --accent-light: #ff9a44;

  /* Lines & Borders */
  --line: rgba(201, 168, 76, 0.18);
  --line-strong: rgba(201, 168, 76, 0.35);

  /* Typography — NOT Inter/Arial/Roboto */
  --font-display: "Playfair Display", "Georgia", serif;
  --font-body: "DM Sans", "Segoe UI", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", monospace;

  /* Spacing — 4px base grid */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Shadows — Dramatic, layered */
  --shadow-sm: 0 2px 8px rgba(10, 10, 10, 0.08);
  --shadow-md: 0 8px 30px rgba(10, 10, 10, 0.12);
  --shadow-lg: 0 20px 60px rgba(10, 10, 10, 0.18);
  --shadow-xl: 0 30px 80px rgba(10, 10, 10, 0.25);
  --shadow-gold: 0 0 40px rgba(201, 168, 76, 0.15);

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;0,800;0,900;1,400;1,700&family=DM+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400;1,500&family=JetBrains+Mono:wght@400;500;600&display=swap');

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

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

body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  overflow-x: hidden;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ---------- Scroll Progress Bar ---------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold-dark), var(--gold), var(--gold-shine));
  z-index: 9999;
  width: 0%;
  transition: width 0.1s linear;
}

/* ---------- Selection ---------- */
::selection {
  background: var(--gold);
  color: var(--ink);
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: grid;
  grid-template-columns: minmax(200px, 1fr) auto auto;
  align-items: center;
  gap: 24px;
  padding: 16px clamp(20px, 4vw, 60px);
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--line);
  transition: all 300ms var(--ease-out);
}

.site-header.is-scrolled {
  padding: 10px clamp(20px, 4vw, 60px);
  background: rgba(10, 10, 10, 0.98);
  box-shadow: 0 4px 40px rgba(10, 10, 10, 0.4);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.brand-logo {
  width: 46px;
  height: 46px;
  border-radius: 8px;
  object-fit: cover;
  border: 2px solid var(--gold-dark);
  transition: transform 300ms var(--ease-spring), box-shadow 300ms ease;
}

.brand:hover .brand-logo {
  transform: scale(1.05);
  box-shadow: 0 0 20px rgba(201, 168, 76, 0.3);
}

.brand strong {
  display: block;
  color: var(--surface);
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1.2;
}

.brand small {
  display: block;
  color: var(--gold);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: 2px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-nav a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 6px;
  transition: all 200ms ease;
  position: relative;
}

.site-nav a::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 60%;
  height: 2px;
  background: var(--gold);
  transition: transform 250ms var(--ease-out);
}

.site-nav a:hover {
  color: var(--surface);
}

.site-nav a:hover::after {
  transform: translateX(-50%) scaleX(1);
}

.nav-cta {
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  color: var(--ink) !important;
  font-weight: 700 !important;
  font-size: 0.82rem !important;
  padding: 10px 22px !important;
  border-radius: 6px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: all 250ms var(--ease-out) !important;
  box-shadow: 0 4px 15px rgba(201, 168, 76, 0.25);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(201, 168, 76, 0.4) !important;
}

.nav-cta::after {
  display: none !important;
}

/* Mobile Menu */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  gap: 5px;
  flex-direction: column;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gold);
  transition: all 300ms ease;
  border-radius: 2px;
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-nav {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  background: rgba(10, 10, 10, 0.98);
  backdrop-filter: blur(20px);
  padding: 20px;
  border-bottom: 1px solid var(--line);
  z-index: 99;
  flex-direction: column;
  gap: 4px;
}

.mobile-nav.open {
  display: flex;
}

.mobile-nav a {
  color: rgba(255, 255, 255, 0.8);
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 0.95rem;
  transition: all 200ms ease;
}

.mobile-nav a:hover {
  background: rgba(201, 168, 76, 0.1);
  color: var(--gold);
}

/* ============================================================
   HERO — Full viewport, cinematic
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 80px;
}

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: 0;
}

.hero-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10, 10, 10, 0.85) 0%,
    rgba(10, 10, 10, 0.6) 40%,
    rgba(10, 10, 10, 0.3) 70%,
    rgba(10, 10, 10, 0.7) 100%
  );
  z-index: 1;
}

/* Gold accent line on hero */
.hero-scrim::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(to bottom, transparent, var(--gold), transparent);
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 80px clamp(20px, 6vw, 100px);
  max-width: 750px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-bottom: 20px;
}

.eyebrow::before {
  content: '';
  width: 30px;
  height: 1px;
  background: var(--gold);
}

.hero-content h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 800;
  color: var(--surface);
  line-height: 1.05;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.hero-copy {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
  max-width: 540px;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ---------- Buttons ---------- */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: 6px;
  cursor: pointer;
  border: none;
  transition: all 250ms var(--ease-out);
  text-decoration: none;
}

.button.primary {
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  color: var(--ink);
  box-shadow: 0 4px 20px rgba(201, 168, 76, 0.3);
}

.button.primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(201, 168, 76, 0.5);
}

.button.secondary {
  background: transparent;
  color: var(--surface);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.button.secondary:hover {
  border-color: var(--gold);
  color: var(--gold);
  transform: translateY(-3px);
}

/* Hero Panel — floating info card */
.hero-panel {
  position: absolute;
  right: clamp(20px, 4vw, 60px);
  bottom: 60px;
  z-index: 2;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--gold);
  padding: 28px 32px;
  max-width: 320px;
}

.hero-panel span {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 8px;
}

.hero-panel strong {
  display: block;
  font-size: 0.95rem;
  color: var(--surface);
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 10px;
}

.hero-panel p {
  font-size: 0.82rem;
  color: var(--muted);
  margin: 0;
}

/* ============================================================
   STATS BAR — Bold numbers, dark background
   ============================================================ */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--ink);
  padding: 0;
  position: relative;
}

.stats-bar::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 100%;
  background: linear-gradient(to bottom, transparent, var(--line-strong), transparent);
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 48px 24px;
  position: relative;
}

.stat-item::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  height: 40%;
  width: 1px;
  background: var(--line);
}

.stat-item:last-child::after {
  display: none;
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
  display: inline;
}

.stat-suffix {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2vw, 1.8rem);
  font-weight: 700;
  color: var(--gold);
  display: inline;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 8px;
  font-weight: 500;
}

/* ============================================================
   TRUST BADGES
   ============================================================ */
.trust-badges {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  background: var(--surface-warm);
  border-bottom: 1px solid var(--line);
}

.trust-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 32px 20px;
  text-align: center;
  border-right: 1px solid var(--line);
  transition: background 200ms ease;
}

.trust-badge:last-child {
  border-right: none;
}

.trust-badge:hover {
  background: rgba(201, 168, 76, 0.04);
}

.trust-icon {
  font-size: 1.6rem;
  line-height: 1;
}

.trust-badge strong {
  font-size: 0.88rem;
  color: var(--ink);
  font-weight: 600;
}

.trust-badge span {
  font-size: 0.76rem;
  color: var(--muted);
}

/* ============================================================
   SECTION — Common Styles
   ============================================================ */
.section {
  padding: clamp(60px, 8vw, 100px) clamp(20px, 4vw, 60px);
}

.section-heading {
  margin-bottom: 48px;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--gold-dark);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-bottom: 12px;
}

.section-kicker::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--gold-dark);
}

.section-heading h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  color: var(--ink);
  line-height: 1.15;
  letter-spacing: -0.01em;
}

/* ============================================================
   INTRO SECTION
   ============================================================ */
.intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
  background: var(--paper);
}

.intro p {
  font-size: 1.05rem;
  color: var(--steel-light);
  line-height: 1.8;
  margin-top: 40px;
}

/* ============================================================
   SERVICES — Industrial card grid
   ============================================================ */
.services {
  background: var(--surface);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.service-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 36px 28px;
  transition: all 300ms var(--ease-out);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold-dark), var(--gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 400ms var(--ease-out);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--line-strong);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--gold-dark);
  letter-spacing: 0.1em;
  margin-bottom: 20px;
  display: inline-block;
  padding: 6px 12px;
  background: rgba(201, 168, 76, 0.08);
  border-radius: 4px;
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 10px;
  line-height: 1.3;
}

.service-card p {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.65;
}

/* ============================================================
   PROJECTS
   ============================================================ */
.projects {
  background: var(--surface-warm);
}

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

.project-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 36px 28px;
  transition: all 300ms var(--ease-out);
  position: relative;
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.project-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gold);
  border-radius: 0 0 12px 12px;
  opacity: 0;
  transition: opacity 300ms ease;
}

.project-card:hover::after {
  opacity: 1;
}

.project-icon {
  font-size: 2rem;
  margin-bottom: 16px;
  display: block;
}

.project-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}

.project-card p {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.65;
}

/* ============================================================
   CASE STUDIES
   ============================================================ */
.case-studies {
  background: var(--surface);
}

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

.case-study-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: all 300ms var(--ease-out);
  position: relative;
  overflow: hidden;
}

.case-study-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.case-study-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, var(--gold), var(--gold-dark));
}

.case-study-header {
  display: flex;
  gap: 8px;
  align-items: center;
}

.case-study-tag {
  background: var(--ink);
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.case-study-location {
  font-size: 0.78rem;
  color: var(--muted);
}

.case-study-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.4;
}

.case-study-card > p {
  font-size: 0.88rem;
  color: var(--steel-light);
  line-height: 1.7;
}

.case-study-results {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.case-result {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.case-result strong {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--gold-dark);
}

.case-result span {
  font-size: 0.7rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 2px;
}

/* ============================================================
   AI AGENCY — Dark, dramatic section
   ============================================================ */
.ai-agency {
  background: var(--ink);
  color: var(--paper);
  position: relative;
  overflow: hidden;
}

.ai-agency::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(201, 168, 76, 0.08), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.ai-agency .section-kicker {
  color: var(--gold);
}

.ai-agency .section-kicker::before {
  background: var(--gold);
}

.ai-agency h2 {
  color: var(--surface);
}

.ai-agency-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.ai-agency-tagline {
  color: var(--gold);
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-style: italic;
  margin: 12px 0 20px;
}

.ai-agency-content > p {
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.8;
  font-size: 0.95rem;
}

.ai-services {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin: 28px 0;
}

.ai-service-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 16px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: all 250ms ease;
}

.ai-service-item:hover {
  background: rgba(201, 168, 76, 0.06);
  border-color: var(--line);
}

.ai-service-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.ai-service-item strong {
  display: block;
  font-size: 0.92rem;
  color: var(--surface);
  margin-bottom: 4px;
  font-weight: 600;
}

.ai-service-item span {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.45);
  line-height: 1.5;
}

.ai-agency-actions {
  display: flex;
  gap: 14px;
  margin-top: 28px;
}

.ai-agency-visual {
  position: relative;
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ai-glow {
  position: absolute;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(201, 168, 76, 0.25), transparent 70%);
  border-radius: 50%;
  animation: pulseGlow 4s ease-in-out infinite;
}

.ai-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  position: relative;
  z-index: 1;
}

.ai-node {
  width: 44px;
  height: 44px;
  border: 2px solid rgba(201, 168, 76, 0.3);
  border-radius: 8px;
  animation: nodeFloat 5s ease-in-out infinite;
}

.ai-node:nth-child(2) { animation-delay: 0.6s; }
.ai-node:nth-child(3) { animation-delay: 1.2s; }
.ai-node:nth-child(4) { animation-delay: 1.8s; }
.ai-node:nth-child(5) { animation-delay: 2.4s; }
.ai-node:nth-child(6) { animation-delay: 3.0s; }
.ai-node:nth-child(7) { animation-delay: 3.6s; }
.ai-node:nth-child(8) { animation-delay: 4.2s; }

@keyframes pulseGlow {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.2); opacity: 1; }
}

@keyframes nodeFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ============================================================
   PROCESS / TIMELINE
   ============================================================ */
.process {
  background: var(--surface-warm);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 32px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, var(--gold-dark), var(--gold), var(--gold-dark));
  z-index: 0;
}

.timeline article {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 32px 24px;
  text-align: center;
  position: relative;
  z-index: 1;
  transition: all 300ms var(--ease-out);
}

.timeline article:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.timeline article span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--ink);
  color: var(--gold);
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  border-radius: 50%;
  margin-bottom: 20px;
  border: 2px solid var(--gold);
}

.timeline article h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}

.timeline article p {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.6;
}

/* ============================================================
   PROOF BAND
   ============================================================ */
.proof-band {
  background: var(--ink);
  color: var(--surface);
  padding: clamp(60px, 8vw, 100px) clamp(20px, 4vw, 60px);
}

.proof-band .section-kicker {
  color: var(--gold);
}

.proof-band .section-kicker::before {
  background: var(--gold);
}

.proof-band h2 {
  color: var(--surface);
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  margin-bottom: 48px;
  line-height: 1.2;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.proof-grid div {
  padding: 32px 28px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  border-left: 3px solid var(--gold);
  transition: all 250ms ease;
}

.proof-grid div:hover {
  background: rgba(201, 168, 76, 0.06);
  border-color: var(--line);
}

.proof-grid strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--gold);
  margin-bottom: 8px;
}

.proof-grid span {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.6;
}

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonials {
  background: var(--surface);
}

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

.testimonial-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  transition: all 300ms var(--ease-out);
  position: relative;
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.testimonial-card::before {
  content: '\201C';
  font-family: var(--font-display);
  font-size: 4rem;
  color: var(--gold);
  opacity: 0.3;
  line-height: 1;
  position: absolute;
  top: 20px;
  right: 24px;
}

.testimonial-stars {
  color: var(--gold);
  font-size: 0.9rem;
  letter-spacing: 3px;
}

.testimonial-text {
  font-size: 0.92rem;
  color: var(--ink);
  line-height: 1.75;
  font-style: italic;
  flex: 1;
}

.testimonial-author {
  display: flex;
  gap: 14px;
  align-items: center;
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.testimonial-author strong {
  display: block;
  font-size: 0.88rem;
  color: var(--ink);
}

.testimonial-author span {
  font-size: 0.78rem;
  color: var(--muted);
}

.testimonial-note {
  text-align: center;
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 28px;
  font-style: italic;
}

/* ============================================================
   SERVICE AREAS
   ============================================================ */
.service-areas {
  background: var(--surface-warm);
}

.areas-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.area-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 28px 20px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: all 250ms ease;
}

.area-card:hover {
  border-color: var(--gold);
  box-shadow: var(--shadow-sm);
}

.area-card strong {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--ink);
}

.area-card span {
  font-size: 0.8rem;
  color: var(--muted);
}

/* ============================================================
   FAQ
   ============================================================ */
.faq {
  background: var(--surface);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.faq-item {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  transition: all 250ms ease;
}

.faq-item[open] {
  border-color: var(--gold);
  box-shadow: var(--shadow-sm);
}

.faq-item summary {
  padding: 22px 28px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 150ms ease;
  color: var(--ink);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  font-family: var(--font-mono);
  font-size: 1.3rem;
  color: var(--gold);
  font-weight: 400;
  transition: transform 300ms var(--ease-spring);
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-item[open] summary::after {
  content: '\2212';
  transform: rotate(180deg);
}

.faq-item summary:hover {
  background: rgba(201, 168, 76, 0.04);
}

.faq-item p {
  padding: 0 28px 22px;
  font-size: 0.9rem;
  color: var(--steel-light);
  line-height: 1.75;
}

/* ============================================================
   BLOG / INSIGHTS
   ============================================================ */
.blog {
  background: var(--surface-warm);
}

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

.blog-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: all 300ms var(--ease-out);
  position: relative;
  overflow: hidden;
}

.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.blog-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold-dark), var(--gold), var(--gold-shine));
  opacity: 0;
  transition: opacity 300ms ease;
}

.blog-card:hover::before {
  opacity: 1;
}

.blog-category {
  display: inline-block;
  background: rgba(201, 168, 76, 0.1);
  color: var(--gold-dark);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  align-self: flex-start;
}

.blog-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.4;
}

.blog-card > p {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.65;
  flex: 1;
}

.blog-meta {
  display: flex;
  gap: 14px;
  font-size: 0.75rem;
  color: var(--muted);
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
  background: var(--surface);
  padding: clamp(60px, 8vw, 100px) clamp(20px, 4vw, 60px);
}

.contact-copy .section-kicker {
  margin-bottom: 12px;
}

.contact-copy h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  color: var(--ink);
  line-height: 1.15;
  margin-bottom: 16px;
}

.contact-copy > p {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 32px;
}

.contact-channels {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-channels a,
.contact-channels span {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.92rem;
  color: var(--steel-light);
  padding: 10px 14px;
  border-radius: 8px;
  transition: all 200ms ease;
}

.contact-channels a:hover {
  background: rgba(201, 168, 76, 0.06);
  color: var(--gold-dark);
}

/* Inquiry Form */
.inquiry-form {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.inquiry-form h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 4px;
}

.inquiry-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--steel);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.inquiry-form input,
.inquiry-form select,
.inquiry-form textarea {
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 0.92rem;
  font-family: var(--font-body);
  background: var(--surface);
  color: var(--ink);
  transition: all 200ms ease;
  width: 100%;
}

.inquiry-form input:focus,
.inquiry-form select:focus,
.inquiry-form textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.12);
}

.inquiry-form textarea {
  resize: vertical;
  min-height: 120px;
}

.inquiry-form .button {
  margin-top: 8px;
  width: 100%;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.6);
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  padding: 60px clamp(20px, 4vw, 60px) 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.footer-logo {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  object-fit: cover;
  border: 2px solid var(--gold-dark);
}

.footer-brand strong {
  display: block;
  font-family: var(--font-display);
  color: var(--surface);
  font-size: 1.1rem;
}

.footer-brand span {
  font-size: 0.78rem;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col strong {
  font-size: 0.82rem;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 4px;
}

.footer-col a {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  transition: color 200ms ease;
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px clamp(20px, 4vw, 60px);
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.35);
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom a {
  color: var(--gold);
  transition: color 200ms ease;
}

.footer-bottom a:hover {
  color: var(--gold-light);
}

/* ============================================================
   WHATSAPP FLOAT
   ============================================================ */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 56px;
  height: 56px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 90;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: all 300ms var(--ease-spring);
}

.whatsapp-float:hover {
  transform: scale(1.1) translateY(-2px);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.5);
}

.whatsapp-float svg {
  width: 28px;
  height: 28px;
  fill: #fff;
}

.whatsapp-tooltip {
  position: absolute;
  right: 68px;
  background: var(--ink);
  color: var(--surface);
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all 200ms ease;
  pointer-events: none;
}

.whatsapp-tooltip::after {
  content: '';
  position: absolute;
  right: -6px;
  top: 50%;
  transform: translateY(-50%);
  border: 6px solid transparent;
  border-left-color: var(--ink);
}

.whatsapp-float:hover .whatsapp-tooltip {
  opacity: 1;
  visibility: visible;
}

/* ============================================================
   LEAD POPUP
   ============================================================ */
.lead-popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 10, 0.7);
  backdrop-filter: blur(8px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 300ms ease;
}

.lead-popup-overlay.active {
  opacity: 1;
  visibility: visible;
}

.lead-popup {
  background: var(--surface);
  border-radius: 16px;
  padding: 44px;
  max-width: 500px;
  width: 90%;
  position: relative;
  box-shadow: var(--shadow-xl);
  transform: translateY(30px) scale(0.95);
  transition: transform 400ms var(--ease-spring);
  border: 1px solid var(--line);
}

.lead-popup-overlay.active .lead-popup {
  transform: translateY(0) scale(1);
}

.lead-popup-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--muted);
  line-height: 1;
  padding: 4px 8px;
  border-radius: 4px;
  transition: all 200ms ease;
}

.lead-popup-close:hover {
  color: var(--ink);
  background: rgba(0, 0, 0, 0.05);
}

.lead-popup-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
}

.lead-popup h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}

.lead-popup > p {
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 24px;
}

.lead-popup-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.lead-popup-form input {
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 0.92rem;
  font-family: var(--font-body);
  background: var(--paper);
  transition: all 200ms ease;
}

.lead-popup-form input:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.12);
}

.lead-popup-note {
  font-size: 0.75rem;
  color: var(--muted);
  margin: 14px 0 0;
  text-align: center;
}

/* ============================================================
   SCROLL ANIMATIONS (fade-up)
   ============================================================ */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 600ms var(--ease-out), transform 600ms var(--ease-out);
}

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

/* Staggered delays */
.fade-up:nth-child(2) { transition-delay: 100ms; }
.fade-up:nth-child(3) { transition-delay: 200ms; }
.fade-up:nth-child(4) { transition-delay: 300ms; }
.fade-up:nth-child(5) { transition-delay: 400ms; }
.fade-up:nth-child(6) { transition-delay: 500ms; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .site-nav { display: none; }
  .nav-cta { display: none; }
  .mobile-menu-btn { display: flex; }

  .hero-panel { display: none; }

  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .stats-bar::before { display: none; }
  .stat-item::after { display: none; }

  .trust-badges { grid-template-columns: repeat(2, 1fr); }
  .trust-badge { border-right: none; border-bottom: 1px solid var(--line); }

  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .project-grid { grid-template-columns: repeat(2, 1fr); }
  .case-study-grid { grid-template-columns: 1fr; }

  .ai-agency-inner { grid-template-columns: 1fr; }
  .ai-agency-visual { display: none; }

  .timeline { grid-template-columns: repeat(2, 1fr); }
  .timeline::before { display: none; }

  .proof-grid { grid-template-columns: 1fr; }
  .testimonial-grid { grid-template-columns: 1fr; }
  .areas-grid { grid-template-columns: repeat(2, 1fr); }
  .faq-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }

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

  .footer-top { grid-template-columns: 1fr; gap: 40px; }
  .footer-links { grid-template-columns: repeat(2, 1fr); }

  .intro { grid-template-columns: 1fr; gap: 24px; }
  .intro p { margin-top: 0; }
}

@media (max-width: 640px) {
  .hero-content { padding: 60px 20px; }
  .hero-content h1 { font-size: 2.4rem; }

  .stats-bar { grid-template-columns: 1fr 1fr; }
  .stat-item { padding: 32px 16px; }

  .trust-badges { grid-template-columns: 1fr 1fr; }

  .service-grid { grid-template-columns: 1fr; }
  .project-grid { grid-template-columns: 1fr; }
  .case-study-results { grid-template-columns: 1fr 1fr; }

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

  .areas-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }

  .inquiry-form { padding: 28px 22px; }

  .footer-links { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .lead-popup { padding: 28px 22px; }
}