/* ═══════════════════════════════════════════════════════════
   Innovation Business Development Solutions
   Premium Design System — Cinematic Authority Style
   ═══════════════════════════════════════════════════════════ */

/* ── Design Tokens ──────────────────────────────────────── */
:root {
  /* Typography */
  --ff-display: 'Georgia', 'Times New Roman', serif;
  --ff-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;

  --fs-display: clamp(2.5rem, 5vw, 4.5rem);
  --fs-h1: clamp(2.4rem, 4.5vw, 4rem);
  --fs-h2: clamp(2rem, 3.5vw, 3rem);
  --fs-h3: clamp(1.5rem, 2vw, 1.75rem);
  --fs-h4: clamp(1.125rem, 1.5vw, 1.25rem);
  --fs-body-lg: 1.1875rem;
  --fs-body: 1.0625rem;
  --fs-body-sm: 0.9375rem;
  --fs-caption: 0.8125rem;
  --fs-micro: 0.6875rem;

  --lh-tight: 1.08;
  --lh-heading: 1.15;
  --lh-normal: 1.65;
  --lh-relaxed: 1.8;

  --ls-tight: -0.035em;
  --ls-heading: -0.02em;
  --ls-normal: -0.005em;
  --ls-wide: 0.12em;
  --ls-mega: 0.2em;

  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

  /* Spacing — Generous, editorial */
  --section-y: clamp(6rem, 12vw, 12rem);
  --section-y-sm: clamp(4rem, 8vw, 8rem);
  --container-x: clamp(1.5rem, 5vw, 5rem);
  --container-max: 82rem;
  --container-narrow: 52rem;
  --container-text: 40rem;
  --gap-xl: 4.5rem;
  --gap-lg: 3rem;
  --gap-md: 2rem;
  --gap-sm: 1rem;
  --gap-xs: 0.5rem;

  /* Colors — Deep navy authority palette */
  --bg-primary: #ffffff;
  --bg-warm: #f8f6f1;
  --bg-cool: #f4f5f7;
  --bg-dark: #0a1628;
  --bg-darker: #060e1a;
  --bg-navy: #0f1d32;
  --bg-charcoal: #1a2332;

  --text-primary: #0a1628;
  --text-secondary: #3d4f65;
  --text-tertiary: #6b7b8f;
  --text-muted: #94a3b8;
  --text-inverse: #ffffff;
  --text-inverse-muted: rgba(255, 255, 255, 0.6);

  --accent: #b8977e;
  --accent-light: #d4c5b0;
  --accent-dark: #9a7b62;
  --accent-subtle: rgba(184, 151, 126, 0.12);

  --border: #e2e5ea;
  --border-subtle: #eef0f3;
  --border-dark: rgba(255, 255, 255, 0.08);
  --border-dark-hover: rgba(255, 255, 255, 0.15);

  /* Motion — Elegant, never playful */
  --duration-fast: 200ms;
  --duration-normal: 300ms;
  --duration-slow: 500ms;
  --duration-reveal: 800ms;
  --duration-hero: 1200ms;
  --ease: cubic-bezier(0.25, 0.1, 0.25, 1);
  --ease-out: cubic-bezier(0.0, 0.0, 0.2, 1);
  --ease-in-out: cubic-bezier(0.42, 0, 0.58, 1);

  /* Effects */
  --shadow-sm: 0 1px 3px rgba(10, 22, 40, 0.06);
  --shadow-md: 0 4px 24px rgba(10, 22, 40, 0.08);
  --shadow-lg: 0 16px 48px rgba(10, 22, 40, 0.1);
  --vignette: radial-gradient(ellipse at center, transparent 50%, rgba(0,0,0,0.15) 100%);
}

/* ── Reset ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  font-size: 100%;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
body {
  font-family: var(--ff-body);
  font-size: var(--fs-body);
  font-weight: var(--fw-regular);
  line-height: var(--lh-normal);
  color: var(--text-primary);
  background: var(--bg-primary);
  overflow-x: hidden;
}
img, video, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font: inherit; color: inherit; }
ul, ol { list-style: none; }
::selection { background: var(--accent); color: var(--text-inverse); }

/* ── Typography ─────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--ff-display);
  font-weight: var(--fw-regular);
  line-height: var(--lh-heading);
  letter-spacing: var(--ls-heading);
}
.display {
  font-size: var(--fs-display);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
}
h1, .h1 { font-size: var(--fs-h1); }
h2, .h2 { font-size: var(--fs-h2); }
h3, .h3 { font-size: var(--fs-h3); }
h4, .h4 { font-size: var(--fs-h4); font-family: var(--ff-body); font-weight: var(--fw-semibold); }

.eyebrow {
  font-family: var(--ff-body);
  font-size: var(--fs-caption);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-mega);
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: var(--gap-md);
}
.eyebrow-light { color: var(--accent-light); }

.body-lg { font-size: var(--fs-body-lg); line-height: var(--lh-relaxed); }
.body-sm { font-size: var(--fs-body-sm); }
.caption { font-size: var(--fs-caption); }
.text-secondary { color: var(--text-secondary); }
.text-tertiary { color: var(--text-tertiary); }
.text-muted { color: var(--text-muted); }
.text-accent { color: var(--accent); }
.text-inverse { color: var(--text-inverse); }

.divider {
  width: 3.5rem;
  height: 1px;
  background: var(--accent);
  margin: var(--gap-lg) 0;
}
.divider-center { margin-left: auto; margin-right: auto; }
.divider-light { background: var(--accent-light); }

/* ── Layout ─────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-x);
  padding-right: var(--container-x);
}
.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding-left: var(--container-x);
  padding-right: var(--container-x);
}
.container-text {
  width: 100%;
  max-width: var(--container-text);
  margin: 0 auto;
  padding-left: var(--container-x);
  padding-right: var(--container-x);
}
.section { padding: var(--section-y) 0; }
.section-sm { padding: var(--section-y-sm) 0; }

/* ── Grid ───────────────────────────────────────────────── */
.grid { display: grid; gap: var(--gap-md); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-6 { grid-template-columns: repeat(6, 1fr); }

@media (max-width: 1024px) {
  .grid-4, .grid-6 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4, .grid-6 { grid-template-columns: 1fr; }
}

/* ── Navigation ─────────────────────────────────────────── */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1.75rem 0;
  transition: all var(--duration-slow) var(--ease);
}
.site-nav.scrolled {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 0.875rem 0;
  border-bottom: 1px solid var(--border-subtle);
}
.site-nav.scrolled .nav-logo,
.site-nav.scrolled .nav-links a { color: var(--text-primary); }
.site-nav.scrolled .nav-cta {
  background: var(--bg-dark);
  color: var(--text-inverse);
  border-color: var(--bg-dark);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap-md);
}
.nav-logo {
  font-family: var(--ff-body);
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--text-inverse);
  transition: color var(--duration-normal) var(--ease);
  border-left: 3px solid var(--accent);
  padding-left: 0.75rem;
}
.nav-logo span {
  display: block;
  font-size: var(--fs-micro);
  font-weight: var(--fw-medium);
  letter-spacing: 0.05em;
  opacity: 0.6;
  margin-top: 2px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  flex-wrap: nowrap;
}
.nav-links a {
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-medium);
  color: var(--text-inverse);
  letter-spacing: var(--ls-normal);
  position: relative;
  padding-bottom: 4px;
  transition: color var(--duration-normal) var(--ease);
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width var(--duration-normal) var(--ease);
}
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }
.nav-cta {
  font-family: var(--ff-body);
  font-size: var(--fs-caption);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  padding: 0.75rem 1.75rem;
  border: 1px solid rgba(255,255,255,0.3);
  color: var(--text-inverse);
  transition: all var(--duration-normal) var(--ease);
}
.nav-cta:hover {
  background: var(--text-inverse);
  color: var(--bg-dark);
  border-color: var(--text-inverse);
}

/* Mobile nav */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 0.5rem;
  z-index: 1003;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 1px;
  background: currentColor;
  transition: all var(--duration-normal) var(--ease);
}

.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-normal) var(--ease);
  z-index: 1001;
}
.nav-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

@media (max-width: 1200px) and (min-width: 961px) {
  .nav-links { gap: 1rem; }
  .nav-cta {
    padding: 0.65rem 1.1rem;
    font-size: var(--fs-micro);
  }
}

@media (max-width: 960px) {
  .nav-toggle { display: flex; color: var(--text-inverse); }
  .site-nav.scrolled .nav-toggle { color: var(--text-primary); }
  .nav-links {
    position: fixed;
    top: 0; right: 0; bottom: 0;
    width: min(84vw, 22rem);
    background: var(--bg-dark);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: var(--gap-sm);
    padding: 6.5rem 2rem 2rem;
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform var(--duration-slow) var(--ease-out);
    z-index: 1002;
  }
  .nav-links.open { transform: translateX(0); }
  .nav-links li { width: 100%; }
  .nav-links a {
    color: var(--text-inverse) !important;
    font-size: var(--fs-h4);
    display: inline-block;
  }
  .nav-cta-wrap { display: none; }
}

/* ── Cinematic Hero ─────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: clamp(8rem, 15vh, 10rem);
  padding-bottom: clamp(4rem, 8vh, 6rem);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: none;
  animation: none;
}
.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(10, 22, 40, 0.85) 0%,
    rgba(10, 22, 40, 0.4) 40%,
    rgba(10, 22, 40, 0.2) 100%
  );
}
/* Vignette */
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--vignette);
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 2;
  color: var(--text-inverse);
  max-width: 64rem;
}
.hero-content .eyebrow {
  color: var(--accent-light);
  opacity: 0;
  transform: translateY(1.5rem);
  animation: fadeUp var(--duration-reveal) var(--ease-out) 0.3s forwards;
}
.hero-content .display {
  max-width: 64rem;
  opacity: 0;
  transform: translateY(1.5rem);
  animation: fadeUp var(--duration-reveal) var(--ease-out) 0.5s forwards;
}
.hero-content .hero-sub {
  font-size: var(--fs-body-lg);
  line-height: var(--lh-relaxed);
  color: var(--text-inverse-muted);
  max-width: 36rem;
  margin-top: var(--gap-md);
  opacity: 0;
  transform: translateY(1.5rem);
  animation: fadeUp var(--duration-reveal) var(--ease-out) 0.7s forwards;
}
.hero-cta-group {
  display: flex;
  gap: var(--gap-sm);
  margin-top: var(--gap-xl);
  opacity: 0;
  transform: translateY(1.5rem);
  animation: fadeUp var(--duration-reveal) var(--ease-out) 0.9s forwards;
}
.hero-stats {
  display: flex;
  gap: clamp(2rem, 4vw, 4rem);
  margin-top: var(--section-y-sm);
  padding-top: var(--gap-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  opacity: 0;
  animation: fadeUp var(--duration-reveal) var(--ease-out) 1.1s forwards;
}
.hero-stat-number {
  font-family: var(--ff-body);
  font-size: var(--fs-h4);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-wide);
  color: var(--text-inverse);
}
.hero-stat-label {
  font-size: var(--fs-micro);
  letter-spacing: var(--ls-mega);
  text-transform: uppercase;
  color: var(--text-inverse-muted);
  margin-top: 4px;
}

@media (max-width: 960px) {
  .hero {
    display: block;
    padding-top: 12rem !important;
    padding-bottom: 4rem;
    min-height: 100svh;
  }
  .site-nav {
    padding: 1rem 0;
  }
  .nav-logo {
    font-size: 0.875rem;
    max-width: 70vw;
  }
  .nav-logo span {
    font-size: 0.625rem;
  }
}

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

/* ── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--ff-body);
  font-size: var(--fs-caption);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  padding: 1rem 2.25rem;
  transition: all var(--duration-normal) var(--ease);
  white-space: nowrap;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--accent);
  color: var(--bg-dark);
}
.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
}
.btn-outline-light {
  background: transparent;
  color: var(--text-inverse);
  border-color: rgba(255, 255, 255, 0.25);
}
.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.5);
}
.btn-dark {
  background: var(--bg-dark);
  color: var(--text-inverse);
}
.btn-dark:hover {
  background: var(--bg-navy);
  transform: translateY(-1px);
}
.btn-outline-dark {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border);
}
.btn-outline-dark:hover {
  background: var(--bg-dark);
  color: var(--text-inverse);
  border-color: var(--bg-dark);
}
.btn-arrow::after {
  content: '→';
  margin-left: 0.75rem;
  transition: transform var(--duration-normal) var(--ease);
}
.btn-arrow:hover::after {
  transform: translateX(4px);
}

/* ── Split Section (50/50 Image + Text) ─────────────────── */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: clamp(32rem, 60vh, 50rem);
}
.split-reverse { direction: rtl; }
.split-reverse > * { direction: ltr; }
.split-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--section-y) clamp(2.5rem, 6vw, 7rem);
}
.split-content p {
  color: var(--text-secondary);
  line-height: var(--lh-relaxed);
  margin-top: var(--gap-sm);
}
.split-image {
  position: relative;
  overflow: hidden;
}
.split-image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease);
}
.split-image:hover img {
  transform: scale(1.03);
}
/* Subtle vignette on images */
.split-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--vignette);
  pointer-events: none;
}
@media (max-width: 768px) {
  .split { grid-template-columns: 1fr; }
  .split-image { min-height: 50vh; }
  .split-reverse { direction: ltr; }
}

/* ── Full-Bleed Image Section ───────────────────────────── */
.full-bleed {
  position: relative;
  min-height: clamp(24rem, 50vh, 36rem);
  overflow: hidden;
  display: flex;
  align-items: center;
}
.full-bleed-bg {
  position: absolute;
  inset: 0;
}
.full-bleed-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.full-bleed-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(10, 22, 40, 0.88) 0%,
    rgba(10, 22, 40, 0.5) 60%,
    rgba(10, 22, 40, 0.2) 100%
  );
  z-index: 1;
}
.full-bleed-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--vignette);
  z-index: 2;
  pointer-events: none;
}
.full-bleed-content {
  position: relative;
  z-index: 3;
  color: var(--text-inverse);
  max-width: 36rem;
}

/* ── Stats Bar ──────────────────────────────────────────── */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
  gap: var(--gap-lg);
  text-align: center;
  padding: var(--section-y-sm) 0;
}
.stat-number {
  font-family: var(--ff-display);
  font-size: var(--fs-h1);
  line-height: 1;
  color: var(--accent);
}
.bg-dark .stat-number { color: var(--accent-light); }
.stat-label {
  font-size: var(--fs-caption);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-top: var(--gap-xs);
}
.bg-dark .stat-label { color: var(--text-inverse-muted); }

/* ── Service Cards ──────────────────────────────────────── */
.service-card {
  padding: clamp(2rem, 3vw, 3rem);
  border: 1px solid var(--border);
  background: var(--bg-primary);
  transition: all var(--duration-normal) var(--ease);
  position: relative;
}
.service-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.service-card-number {
  font-family: var(--ff-body);
  font-size: var(--fs-micro);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-mega);
  color: var(--accent);
  margin-bottom: var(--gap-md);
  display: block;
}
.service-card h3 {
  font-size: var(--fs-h3);
  margin-bottom: var(--gap-sm);
}
.service-card p {
  font-size: var(--fs-body);
  color: var(--text-secondary);
  line-height: var(--lh-relaxed);
}
.service-card-list {
  margin-top: var(--gap-md);
  padding-top: var(--gap-md);
  border-top: 1px solid var(--border-subtle);
}
.service-card-list li {
  font-size: var(--fs-body-sm);
  color: var(--text-tertiary);
  padding: 0.375rem 0;
  padding-left: 1rem;
  position: relative;
}
.service-card-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 4px;
  height: 1px;
  background: var(--accent);
}

/* Dark variant */
.service-card-dark {
  background: var(--bg-navy);
  border-color: var(--border-dark);
  color: var(--text-inverse);
}
.service-card-dark:hover { border-color: var(--accent); }
.service-card-dark p { color: var(--text-inverse-muted); }
.service-card-dark .service-card-list li { color: var(--text-inverse-muted); }

/* ── Process / Methodology ──────────────────────────────── */
.process-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(1.5rem, 3vw, 3rem);
  align-items: start;
  padding: var(--gap-lg) 0;
  border-bottom: 1px solid var(--border);
}
.process-step:last-child { border-bottom: none; }
.process-number {
  font-family: var(--ff-display);
  font-size: var(--fs-h1);
  line-height: 1;
  color: var(--accent-light);
  min-width: 3rem;
}
.process-step h3 { margin-bottom: var(--gap-xs); }
.process-step p { color: var(--text-secondary); }

/* ── Industry Cards ─────────────────────────────────────── */
.industry-card {
  padding: clamp(1.5rem, 2.5vw, 2.5rem);
  border: 1px solid var(--border-dark);
  transition: all var(--duration-normal) var(--ease);
}
.industry-card:hover {
  border-color: var(--accent);
  background: rgba(255,255,255,0.03);
}
.industry-card h3 {
  font-size: var(--fs-h4);
  font-family: var(--ff-body);
  font-weight: var(--fw-semibold);
  color: var(--text-inverse);
  margin-bottom: var(--gap-sm);
}
.industry-card-label {
  font-size: var(--fs-micro);
  letter-spacing: var(--ls-mega);
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: var(--gap-md);
  display: block;
}
.industry-card ul li {
  font-size: var(--fs-body-sm);
  color: var(--text-inverse-muted);
  padding: 0.25rem 0;
}

/* ── Case Study Cards ───────────────────────────────────── */
.case-card {
  padding: clamp(2rem, 3vw, 3rem);
  background: var(--bg-charcoal);
  border: 1px solid var(--border-dark);
}
.case-card-label {
  font-size: var(--fs-micro);
  letter-spacing: var(--ls-mega);
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--gap-md);
}
.case-card h4 {
  font-family: var(--ff-display);
  font-size: var(--fs-h3);
  font-weight: var(--fw-regular);
  color: var(--text-inverse);
  margin-bottom: var(--gap-sm);
}
.case-card p { font-size: var(--fs-body-sm); color: var(--text-inverse-muted); }
.case-card-divider {
  width: 2rem;
  height: 1px;
  background: var(--accent);
  margin: var(--gap-md) 0;
}

/* ── Entity Structures Grid ─────────────────────────────── */
.entity-group {
  padding: var(--gap-lg) 0;
  border-bottom: 1px solid var(--border);
}
.entity-group:last-child { border-bottom: none; }
.entity-group h3 { margin-bottom: var(--gap-md); }
.entity-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
  gap: var(--gap-xs) var(--gap-lg);
}
.entity-list li {
  font-size: var(--fs-body-sm);
  color: var(--text-secondary);
  padding: 0.375rem 0;
  padding-left: 1.25rem;
  position: relative;
}
.entity-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 1px;
  background: var(--accent);
}

/* ── FAQ ────────────────────────────────────────────────── */
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-item summary {
  padding: var(--gap-md) 0;
  font-family: var(--ff-body);
  font-size: var(--fs-body-lg);
  font-weight: var(--fw-medium);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--gap-md);
  transition: color var(--duration-normal) var(--ease);
}
.faq-item summary:hover { color: var(--accent); }
.faq-item summary::after {
  content: '+';
  font-family: var(--ff-body);
  font-size: var(--fs-h3);
  font-weight: 300;
  line-height: 1;
  flex-shrink: 0;
  transition: transform var(--duration-normal) var(--ease);
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p {
  padding-bottom: var(--gap-md);
  color: var(--text-secondary);
  line-height: var(--lh-relaxed);
  max-width: var(--container-text);
}
.faq-item summary::-webkit-details-marker { display: none; }

/* ── Contact ────────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap-xl);
  align-items: start;
}
@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; }
}
.contact-info-block {
  padding: var(--gap-md) 0;
  border-bottom: 1px solid var(--border);
}
.contact-info-block:last-child { border-bottom: none; }
.contact-info-block h4 {
  font-family: var(--ff-body);
  font-size: var(--fs-caption);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-mega);
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--gap-xs);
}
.contact-info-block p,
.contact-info-block a {
  font-size: var(--fs-body);
  color: var(--text-secondary);
}
.contact-info-block a:hover { color: var(--text-primary); }

/* Contact form */
.form-group { margin-bottom: var(--gap-md); }
.form-group label {
  display: block;
  font-size: var(--fs-caption);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: var(--gap-xs);
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.875rem 0;
  font-family: var(--ff-body);
  font-size: var(--fs-body);
  color: var(--text-primary);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  outline: none;
  transition: border-color var(--duration-normal) var(--ease);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent);
}
.form-group textarea {
  resize: vertical;
  min-height: 6rem;
}

/* ── CTA Banner ─────────────────────────────────────────── */
.cta-section {
  background: var(--bg-dark);
  color: var(--text-inverse);
  padding: var(--section-y) 0;
  text-align: center;
}
.cta-section .eyebrow { color: var(--accent-light); }
.cta-section h2 { margin-bottom: var(--gap-sm); }
.cta-section p {
  color: var(--text-inverse-muted);
  max-width: 32rem;
  margin: 0 auto var(--gap-lg);
}

/* ── Footer ─────────────────────────────────────────────── */
.site-footer {
  background: var(--bg-darker);
  color: var(--text-inverse);
  padding: var(--section-y) 0 var(--gap-lg);
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--gap-xl);
  padding-bottom: var(--section-y-sm);
}
.footer-brand p {
  font-size: var(--fs-body-sm);
  color: var(--text-inverse-muted);
  line-height: var(--lh-relaxed);
  max-width: 22rem;
  margin-top: var(--gap-sm);
}
.footer-col h3 {
  font-family: var(--ff-body);
  font-size: var(--fs-micro);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-mega);
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: var(--gap-md);
}
.footer-col li { margin-bottom: var(--gap-xs); }
.footer-col a {
  font-size: var(--fs-body-sm);
  color: var(--text-inverse-muted);
  transition: color var(--duration-fast) var(--ease);
}
.footer-col a:hover { color: var(--text-inverse); }
.footer-bottom {
  padding-top: var(--gap-md);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--gap-sm);
}
.footer-bottom span,
.footer-bottom a {
  font-size: var(--fs-caption);
  color: var(--text-muted);
}
.footer-bottom a:hover { color: var(--text-inverse); }
.footer-legal {
  display: flex;
  gap: var(--gap-md);
}
@media (max-width: 768px) {
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: span 2; }
}
@media (max-width: 480px) {
  .footer-top { grid-template-columns: 1fr; }
  .footer-brand { grid-column: span 1; }
}

/* ── Disclaimer ─────────────────────────────────────────── */
.disclaimer {
  font-size: var(--fs-caption);
  color: var(--text-muted);
  line-height: var(--lh-relaxed);
  max-width: var(--container-narrow);
  padding: var(--gap-lg) 0;
  border-top: 1px solid rgba(255,255,255,0.06);
  margin-top: var(--gap-lg);
}

/* ── Scroll Reveal ──────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(2rem);
  transition:
    opacity var(--duration-reveal) var(--ease-out),
    transform var(--duration-reveal) var(--ease-out);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 200ms; }
.reveal-delay-3 { transition-delay: 300ms; }
.reveal-delay-4 { transition-delay: 400ms; }

/* ── Backgrounds ────────────────────────────────────────── */
.bg-primary { background: var(--bg-primary); }
.bg-warm { background: var(--bg-warm); }
.bg-cool { background: var(--bg-cool); }
.bg-dark { background: var(--bg-dark); color: var(--text-inverse); }
.bg-darker { background: var(--bg-darker); color: var(--text-inverse); }
.bg-navy { background: var(--bg-navy); color: var(--text-inverse); }

/* ── Image as Texture (faint background) ────────────────── */
.texture-bg {
  position: relative;
}
.texture-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.04;
  filter: saturate(0) contrast(1.2);
  pointer-events: none;
}

/* ── Utility ────────────────────────────────────────────── */
.text-center { text-align: center; }
.text-balance { text-wrap: balance; }
.mx-auto { margin-left: auto; margin-right: auto; }
.mt-xs { margin-top: var(--gap-xs); }
.mt-sm { margin-top: var(--gap-sm); }
.mt-md { margin-top: var(--gap-md); }
.mt-lg { margin-top: var(--gap-lg); }
.mt-xl { margin-top: var(--gap-xl); }
.mb-sm { margin-bottom: var(--gap-sm); }
.mb-md { margin-bottom: var(--gap-md); }
.mb-lg { margin-bottom: var(--gap-lg); }
.pt-section { padding-top: var(--section-y); }
.pb-section { padding-bottom: var(--section-y); }
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}