/* ==========================================================================
   Aurochs V3 — Registered Custom Properties (enables smooth transitions)
   ========================================================================== */

@property --bg { syntax: '<color>'; inherits: true; initial-value: #0A0908; }
@property --bg-warm { syntax: '<color>'; inherits: true; initial-value: #0E0C0A; }
@property --fg { syntax: '<color>'; inherits: true; initial-value: #EDE8E0; }
@property --fg-dim { syntax: '<color>'; inherits: true; initial-value: #9E978D; }
@property --fg-faint { syntax: '<color>'; inherits: true; initial-value: #5A554E; }
@property --gold { syntax: '<color>'; inherits: true; initial-value: #C8963E; }
@property --gold-dim { syntax: '<color>'; inherits: true; initial-value: rgba(200,150,62,0.25); }
@property --gold-glow { syntax: '<color>'; inherits: true; initial-value: rgba(200,150,62,0.08); }
@property --header-scroll-bg { syntax: '<color>'; inherits: true; initial-value: rgba(10,9,8,0.8); }
@property --overlay-bg { syntax: '<color>'; inherits: true; initial-value: rgba(10,9,8,0.98); }
@property --border-subtle { syntax: '<color>'; inherits: true; initial-value: rgba(94,85,78,0.3); }
@property --border-faint { syntax: '<color>'; inherits: true; initial-value: rgba(94,85,78,0.2); }
@property --border-width { syntax: '<length>'; inherits: true; initial-value: 0px; }

/* ==========================================================================
   Aurochs V3 — Dual Token Foundation
   ========================================================================== */

/* ─── Evolution Tokens (default) ─── */
[data-tokens="evolution"] {
  --bg: #0A0908;
  --bg-warm: #0E0C0A;
  --fg: #EDE8E0;
  --fg-dim: #9E978D;
  --fg-faint: #5A554E;
  --gold: #C8963E;
  --gold-dim: rgba(200,150,62,0.25);
  --gold-glow: rgba(200,150,62,0.08);
  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --border-width: 0px;
  --container-max: 1100px;
  --container-padding: 80px;
  --header-scroll-bg: rgba(10,9,8,0.8);
  --overlay-bg: rgba(10,9,8,0.98);
  --logo-filter: brightness(0) invert(1);
  --border-subtle: rgba(94,85,78,0.3);
  --border-faint: rgba(94,85,78,0.2);
}

/* ─── V2 Source-of-Truth Tokens ─── */
[data-tokens="v2"] {
  --bg: #1E1E1E;
  --bg-warm: #1E1E1E;
  --fg: #F4F0ED;
  --fg-dim: rgba(244,240,237,0.7);
  --fg-faint: rgba(244,240,237,0.4);
  --gold: #C8963E;
  --gold-dim: rgba(200,150,62,0.10);
  --gold-glow: rgba(200,150,62,0.06);
  --font-display: 'Larken', 'Playfair Display', Georgia, serif;
  --font-body: 'Mundial', 'DM Sans', system-ui, sans-serif;
  --border-width: 20px;
  --container-max: 1300px;
  --container-padding: 20px;
  --header-scroll-bg: rgba(30,30,30,0.8);
  --overlay-bg: rgba(30,30,30,0.98);
  --logo-filter: brightness(0) invert(1);
  --border-subtle: rgba(94,85,78,0.3);
  --border-faint: rgba(94,85,78,0.2);
}

/* ==========================================================================
   Reset
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--fg-faint) transparent;
  transition: --bg 0.4s ease, --bg-warm 0.4s ease, --fg 0.4s ease, --fg-dim 0.4s ease,
              --fg-faint 0.4s ease, --gold 0.4s ease, --gold-dim 0.4s ease, --gold-glow 0.4s ease,
              --header-scroll-bg 0.4s ease, --overlay-bg 0.4s ease,
              --border-subtle 0.4s ease, --border-faint 0.4s ease, --border-width 0.4s ease;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 18px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

/* ==========================================================================
   Grain Overlay
   ========================================================================== */

body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-size: 256px;
}

/* ==========================================================================
   Skip Link
   ========================================================================== */

.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gold);
  color: var(--bg);
  padding: 0.75rem 1.5rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.8125rem;
  z-index: 10000;
  border-radius: 0 0 4px 4px;
  text-decoration: none;
  transition: top 0.2s;
}
.skip-link:focus { top: 0; }

/* ==========================================================================
   Body Border (conditional)
   ========================================================================== */

.body-border {
  position: fixed;
  z-index: 9998;
  background: var(--bg);
  pointer-events: none;
  display: none;
}
[data-tokens="v2"] .body-border { display: block; }
.body-border--top, .body-border--bottom { left: 0; right: 0; height: var(--border-width); }
.body-border--top { top: 0; }
.body-border--bottom { bottom: 0; }
.body-border--left, .body-border--right { top: 0; bottom: 0; width: var(--border-width); }
.body-border--left { left: 0; }
.body-border--right { right: 0; }

/* ==========================================================================
   Typography
   ========================================================================== */

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(52px, 7vw, 110px); }
h2 { font-size: clamp(36px, 5vw, 64px); }
h3 { font-size: clamp(24px, 3vw, 36px); }

p {
  font-size: clamp(16px, 1.1vw, 18px);
  line-height: 1.7;
  max-width: 65ch;
}

.label {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fg-dim);
}

.display--large { font-family: var(--font-display); font-size: clamp(40px, 5vw, 80px); font-weight: 400; line-height: 1.1; letter-spacing: -0.02em; }

.body-text { font-size: 20px; line-height: 1.75; color: var(--fg-dim); max-width: 640px; }
.body-text em { color: var(--fg); font-style: italic; font-family: var(--font-display); font-size: 22px; }

.caption { font-size: 13px; color: var(--fg-faint); line-height: 1.5; }

/* ==========================================================================
   Layout
   ========================================================================== */

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.section {
  padding-top: 120px;
  padding-bottom: 120px;
  margin-left: var(--border-width);
  margin-right: var(--border-width);
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

/* ==========================================================================
   Fade-in Utilities
   ========================================================================== */

.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in--delay-1 { transition-delay: 0.2s; }
.fade-in--delay-2 { transition-delay: 0.4s; }

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

/* ==========================================================================
   Header
   ========================================================================== */

.header {
  position: fixed;
  top: var(--border-width);
  left: var(--border-width);
  right: var(--border-width);
  z-index: 1000;
  padding: 24px 0;
  transition: background-color 0.3s ease, backdrop-filter 0.3s ease;
}

.header.scrolled {
  background-color: var(--header-scroll-bg);
  backdrop-filter: blur(16px) saturate(1.8);
  -webkit-backdrop-filter: blur(16px) saturate(1.8);
}

.header__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* [Au] mark — per design system */
.header__logo {
  font-size: 1.5rem;
  line-height: 1;
  display: inline-flex;
  align-items: baseline;
  text-decoration: none;
}

.header__bracket {
  color: var(--fg);
  font-family: var(--font-body);
  font-weight: 300;
}

.header__au {
  color: var(--gold);
  font-family: var(--font-display);
  font-weight: 400;
  font-style: italic;
}

[data-tokens="v2"] .header__au {
  font-weight: 700;
  font-style: normal;
}

/* Nav links */
.header__center {
  display: flex;
  align-items: center;
  gap: 4px;
}

.header__nav-link {
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 400;
  color: var(--fg-dim);
  text-decoration: none;
  transition: color 0.2s ease;
}

.header__nav-link:hover {
  color: var(--gold);
}

/* Email link */
.header__right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header__email {
  font-size: 14px;
  font-weight: 400;
  color: var(--fg-dim);
  text-decoration: none;
  transition: color 0.2s ease;
}

.header__email:hover {
  color: var(--gold);
}

/* Hamburger — hidden on desktop */
.header__hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}

.header__hamburger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--fg);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.header__hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(4.5px, 4.5px);
}
.header__hamburger.active span:nth-child(2) {
  opacity: 0;
}
.header__hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(4.5px, -4.5px);
}

/* Mobile overlay */
.mobile-overlay {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: var(--overlay-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-overlay.open {
  opacity: 1;
  visibility: visible;
}

.mobile-overlay__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100%;
  gap: 12px;
}

.mobile-overlay__link {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--fg);
  text-decoration: none;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.3s ease, transform 0.3s ease, color 0.2s ease;
}

.mobile-overlay.open .mobile-overlay__link {
  opacity: 1;
  transform: translateY(0);
}

.mobile-overlay.open .mobile-overlay__link:nth-child(1) { transition-delay: 0.1s; }
.mobile-overlay.open .mobile-overlay__link:nth-child(2) { transition-delay: 0.15s; }
.mobile-overlay.open .mobile-overlay__link:nth-child(3) { transition-delay: 0.2s; }

.mobile-overlay__link:hover { color: var(--gold); }

.mobile-overlay__email {
  font-size: 16px;
  color: var(--fg-faint);
  text-decoration: none;
  margin-top: 24px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.3s ease 0.25s, transform 0.3s ease 0.25s, color 0.2s ease;
}

.mobile-overlay.open .mobile-overlay__email {
  opacity: 1;
  transform: translateY(0);
}

.mobile-overlay__email:hover { color: var(--gold); }

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  margin-left: var(--border-width);
  margin-right: var(--border-width);
  position: relative;
  overflow: hidden;
}

.hero__content {
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 1;
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 4px;
  padding-top: 16px;
  padding-bottom: 16px;
}

.hero__label {
  margin-bottom: 24px;
  animation: heroFadeUp 0.6s ease both;
}

.hero__title {
  color: var(--fg);
  margin-bottom: 32px;
  animation: heroFadeUp 0.6s ease 0.15s both;
}

.hero__tm {
  display: inline-block;
  font-size: 0.3em;
  vertical-align: super;
  color: var(--gold);
  font-family: var(--font-body);
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1;
}

.hero__thesis {
  font-size: clamp(18px, 1.4vw, 22px);
  color: var(--fg-dim);
  max-width: 600px;
  line-height: 1.6;
  margin-bottom: 48px;
  animation: heroFadeUp 0.6s ease 0.3s both;
}

.hero__anchor {
  display: flex;
  flex-direction: column;
  gap: 4px;
  animation: heroFadeUp 0.6s ease 0.45s both;
}

.hero__anchor-number {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 42px);
  color: var(--gold);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.hero__anchor-line {
  font-size: 16px;
  color: var(--fg-dim);
  letter-spacing: 0.01em;
}

@keyframes heroFadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero__label,
  .hero__title,
  .hero__thesis,
  .hero__anchor {
    animation: none;
    opacity: 1;
    transform: none;
  }
}

/* ==========================================================================
   Responsive — Mobile (≤768px)
   ========================================================================== */

@media (max-width: 768px) {
  .header__center,
  .header__email {
    display: none;
  }

  .header__hamburger {
    display: flex;
  }

  .header__right {
    margin-left: auto;
    margin-right: 8px;
  }

  .hero {
    padding: 100px 0 60px;
  }
}

/* ==========================================================================
   The Shift (Section 2)
   ========================================================================== */

.shift__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.shift__hook {
  color: var(--fg);
  margin-bottom: 40px;
}

.shift__body p {
  margin-bottom: 20px;
}

.shift__body p:last-child {
  margin-bottom: 0;
  color: var(--fg);
  font-weight: 400;
}

/* 5-Layer Stack */
.shift__stack {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.shift__layer {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 20px;
  background: var(--gold-glow);
  border-left: 3px solid var(--gold);
  transition: background 0.2s ease;
}

.shift__layer:hover {
  background: var(--gold-dim);
}

.shift__layer[data-layer="5"] { border-left-color: var(--gold); opacity: 1; }
.shift__layer[data-layer="4"] { border-left-color: var(--gold); opacity: 0.9; }
.shift__layer[data-layer="3"] { border-left-color: var(--gold); opacity: 0.85; }
.shift__layer[data-layer="2"] { border-left-color: var(--gold); opacity: 0.8; }
.shift__layer[data-layer="1"] { border-left-color: var(--gold); opacity: 0.75; }

.shift__layer-num {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 0.05em;
  min-width: 24px;
}

.shift__layer-name {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 400;
  color: var(--fg);
}

.shift__cta {
  display: inline-block;
  margin-top: 32px;
  font-size: 14px;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 0.03em;
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.shift__cta:hover {
  opacity: 0.7;
}

/* ==========================================================================
   Proof (Section 3)
   ========================================================================== */

.proof__clients {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}

.proof-card {
  border-top: 1px solid var(--gold);
  padding-top: 32px;
}

.proof-card__number {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 40px);
  color: var(--gold);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 16px;
}

.proof-card__context {
  font-size: 14px;
  color: var(--fg-dim);
  line-height: 1.6;
  margin-bottom: 24px;
}

.proof-card__quote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 16px;
  color: var(--fg);
  line-height: 1.6;
  margin-bottom: 12px;
}

.proof-card__cite {
  font-size: 13px;
  color: var(--fg-faint);
  font-style: normal;
}

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

@media (max-width: 768px) {
  .shift__grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .proof__clients {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* ==========================================================================
   Proof Part B — Network
   ========================================================================== */

.proof__transition {
  font-size: clamp(18px, 1.4vw, 22px);
  color: var(--fg-dim);
  max-width: 55ch;
  line-height: 1.6;
  margin-top: 80px;
  margin-bottom: 48px;
}

/* Tyler — featured treatment */
.proof-feature {
  border-top: 1px solid var(--gold);
  padding-top: 32px;
  margin-bottom: 48px;
}

.proof-feature__name {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 40px);
  color: var(--fg);
  margin-bottom: 8px;
}

.proof-feature__role {
  font-size: 14px;
  color: var(--fg-faint);
  margin-bottom: 16px;
}

.proof-feature__body {
  font-size: 16px;
  color: var(--fg-dim);
  line-height: 1.7;
  margin-bottom: 16px;
  max-width: 55ch;
}

.proof-feature__outcomes {
  display: flex;
  gap: 24px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.proof-feature__outcome {
  font-size: 14px;
  font-weight: 500;
  color: var(--gold);
  padding: 6px 14px;
  background: var(--gold-glow);
  border: 1px solid var(--gold-dim);
  border-radius: 3px;
}

.proof-feature__quote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 18px;
  color: var(--fg);
  line-height: 1.6;
  max-width: 55ch;
}

/* Supporting row — Kristen, Quinn, Jeremy */
.proof__supporting {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.proof-supporting {
  border-top: 1px solid var(--fg-faint);
  padding-top: 24px;
}

.proof-supporting__name {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--fg);
  margin-bottom: 8px;
  font-weight: 400;
}

.proof-supporting__body {
  font-size: 14px;
  color: var(--fg-dim);
  line-height: 1.6;
  margin-bottom: 12px;
}

.proof-supporting__link {
  font-size: 13px;
  font-weight: 500;
  color: var(--gold);
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.proof-supporting__link:hover {
  opacity: 0.7;
}

/* Logo bar */
.proof__logos {
  margin-top: 80px;
  padding-top: 40px;
  border-top: 1px solid var(--border-subtle);
}

.proof__logos-label {
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--fg-faint);
  margin-bottom: 24px;
}

.proof__logos-row {
  display: flex;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}

.proof__logos-row img {
  width: 160px;
  height: auto;
  opacity: 0.4;
  filter: var(--logo-filter);
  transition: opacity 0.2s ease, filter 0.4s ease;
}

.proof__logos-row img:hover {
  opacity: 0.7;
}

/* ==========================================================================
   Services (Section 4)
   ========================================================================== */

.services__opening {
  font-family: var(--font-display);
  font-size: clamp(20px, 2vw, 26px);
  color: var(--fg-dim);
  max-width: 55ch;
  line-height: 1.5;
  margin-bottom: 64px;
  font-style: italic;
}

.services__tiers {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.tier {
  border-top: 1px solid var(--fg-faint);
  padding-top: 32px;
}

.tier--featured {
  border-top-color: var(--gold);
}

.tier__name {
  font-family: var(--font-display);
  font-size: clamp(24px, 2.5vw, 32px);
  color: var(--fg);
  margin-bottom: 12px;
}

.tier__price {
  font-family: var(--font-display);
  font-size: clamp(36px, 4vw, 48px);
  color: var(--gold);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  line-height: 1.1;
}

.tier__price-unit {
  font-family: var(--font-body);
  font-size: 0.4em;
  color: var(--fg-dim);
  font-weight: 300;
  letter-spacing: 0;
}

.tier__tagline {
  font-family: var(--font-display);
  font-size: clamp(16px, 1.2vw, 18px);
  color: var(--fg);
  line-height: 1.6;
  margin-bottom: 20px;
  max-width: 45ch;
}

.tier__tagline em {
  font-style: italic;
}

.tier__body {
  font-size: 15px;
  color: var(--fg-dim);
  line-height: 1.7;
  margin-bottom: 20px;
  max-width: 45ch;
}

.tier__features {
  list-style: none;
  margin-bottom: 20px;
}

.tier__features li {
  font-size: 14px;
  color: var(--fg-dim);
  line-height: 1.8;
  padding-left: 16px;
  position: relative;
}

.tier__features li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--fg-faint);
}

.tier__terms {
  font-size: 13px;
  color: var(--fg-faint);
}

/* Closing line */
.services__closing {
  font-size: 16px;
  color: var(--fg-dim);
  margin-bottom: 64px;
}

.services__closing-link {
  color: var(--gold);
  text-decoration: none;
  font-weight: 500;
  transition: opacity 0.2s ease;
}

.services__closing-link:hover {
  opacity: 0.7;
}

/* FAQ */
.services__faq {
  border-top: 1px solid var(--border-subtle);
  padding-top: 48px;
}

.faq-item {
  border-bottom: 1px solid var(--border-faint);
}

.faq-item__question {
  font-size: 16px;
  font-weight: 400;
  color: var(--fg);
  padding: 20px 0;
  cursor: pointer;
  list-style: none;
  transition: color 0.2s ease;
}

.faq-item__question::-webkit-details-marker { display: none; }
.faq-item__question::marker { content: ''; }

.faq-item__question:hover {
  color: var(--gold);
}

.faq-item__answer {
  font-size: 15px;
  color: var(--fg-dim);
  line-height: 1.7;
  padding-bottom: 24px;
  max-width: 60ch;
}

/* ==========================================================================
   Responsive Additions — Proof B + Services
   ========================================================================== */

@media (max-width: 768px) {
  .proof__supporting {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .proof__logos-row {
    gap: 24px;
  }

  .proof__logos-row img {
    width: 100px;
  }

  .services__tiers {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .proof-feature__outcomes {
    flex-direction: column;
    gap: 8px;
  }

  .proof-feature__outcome {
    display: inline-block;
    width: fit-content;
  }
}

/* ==========================================================================
   Contact (Section 5)
   ========================================================================== */

.contact {
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.contact__content {
  display: flex;
  flex-direction: column;
}

.contact__title {
  color: var(--fg);
  margin-bottom: 32px;
}

.contact__email {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.5vw, 32px);
  color: var(--gold);
  text-decoration: none;
  transition: opacity 0.2s ease;
  font-style: italic;
}

.contact__email:hover {
  opacity: 0.7;
}

.contact__line {
  font-size: 16px;
  color: var(--fg-dim);
  margin-top: 16px;
}

.contact__linkedin {
  display: inline-flex;
  margin-top: 40px;
  color: var(--fg-faint);
  transition: color 0.2s ease;
}

.contact__linkedin:hover {
  color: var(--gold);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  padding: 40px 0;
  margin-left: var(--border-width);
  margin-right: var(--border-width);
  border-top: 1px solid var(--border-faint);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer__mark {
  font-size: 1rem;
  line-height: 1;
}

.footer__bracket {
  color: var(--fg-faint);
  font-family: var(--font-body);
  font-weight: 300;
}

.footer__au {
  color: var(--gold);
  font-family: var(--font-display);
  font-weight: 400;
  font-style: italic;
}

[data-tokens="v2"] .footer__au {
  font-weight: 700;
  font-style: normal;
}

.footer__copy {
  font-size: 13px;
  color: var(--fg-faint);
}

/* ==========================================================================
   Responsive — Small Mobile (≤480px)
   ========================================================================== */

@media (max-width: 480px) {
  [data-tokens="evolution"] {
    --container-padding: 20px;
  }

  .hero {
    padding: 80px 0 48px;
  }

  .hero__thesis {
    font-size: 16px;
  }

  .hero__anchor-number {
    font-size: 24px;
  }

  .shift__hook {
    font-size: clamp(28px, 8vw, 40px);
  }

  .proof-feature__quote {
    font-size: 16px;
  }

  .services__opening {
    font-size: 18px;
  }

  .tier__price {
    font-size: 32px;
  }

  .contact__title {
    font-size: clamp(32px, 8vw, 48px);
  }

  .header {
    padding: 16px 0;
  }
}

/* ==========================================================================
   Aurora Canvas (hero background)
   ========================================================================== */

.aurora-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

/* ==========================================================================
   Dither Cursor Canvas (page-wide)
   ========================================================================== */

.dither-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 1;
}

/* Ensure main content renders above dither effect */
main, .footer {
  position: relative;
  z-index: 2;
}

/* Glass legibility layer — invisible at rest, blurs dither cursor behind content.
   color-mix creates a semi-transparent version of --bg; over the same --bg body
   it's invisible. When dither passes behind, backdrop-filter softens the pattern. */
.section > .container,
.footer > .container {
  position: relative;
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 4px;
  padding-top: 16px;
  padding-bottom: 16px;
}

/* ==========================================================================
   Header Controls (day/night + mood cycle)
   ========================================================================== */

.header__controls {
  display: flex;
  align-items: center;
  gap: 2px;
}

.header__daynight,
.header__mood-cycle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--fg-dim);
  transition: color 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.header__daynight:hover,
.header__mood-cycle:hover {
  color: var(--gold);
}

/* Sun/Moon icon visibility based on current theme */
.daynight-moon { display: none; }
[data-theme="light"] .daynight-sun { display: none; }
[data-theme="light"] .daynight-moon { display: inline-block; }

.header__mood-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gold);
  border: 1px solid var(--fg-faint);
  transition: background 0.4s ease, border-color 0.4s ease;
}

.header__mood-cycle:hover .header__mood-dot {
  border-color: var(--gold);
}