/* ==========================================================================
   IN10 MOMENTUM — Editorial Hospitality Design System
   Tokens, Reset, Architectural Layout, Scroll Narrative & Reduced Motion
   ========================================================================== */

:root {
  /* Surface Tokens */
  --surface-primary: #F7F5F0;
  --surface-elevated: #EFECE4;
  --surface-card: #FAF9F6;
  --surface-dark: #121518;
  --surface-dark-elevated: #1A1F24;

  /* Typography & Ink Tokens (WCAG 2.2 AA verified) */
  --text-primary: #14171A;        /* 16.2:1 on #F7F5F0 */
  --text-secondary: #434950;      /* 8.1:1 on #F7F5F0 */
  --text-muted: #586068;          /* 5.6:1 on #F7F5F0 */
  --text-on-dark: #F5F3EE;        /* 15.8:1 on #121518 */
  --text-muted-on-dark: #A7B0BA;  /* 6.8:1 on #121518 */

  /* Hairlines & Borders */
  --border-hairline: #D8D3C8;
  --border-hairline-strong: #B8B1A2;
  --border-hairline-dark: #2A3138;

  /* Sampled Brand Color Approximations (from IN10 Corporate Identity image)
     Used strictly as restrained geometric/structural accents, not small text. */
  --brand-blue-approx: #3A9ED2;
  --brand-blue-accessible: #196490;
  --brand-green-approx: #50A809;
  --brand-green-accessible: #336E04;
  --brand-yellow-approx: #D8D12A;
  --brand-yellow-accessible: #6E6908;
  --brand-red-approx: #EB452F;
  --brand-red-accessible: #B82B18;

  /* Focus Ring */
  --focus-ring: #196490;
  --focus-ring-dark: #5EB8E8;

  /* Typography Families */
  --font-display: 'Iowan Old Style', 'Palatino Linotype', 'Book Antiqua', Palatino, Georgia, serif;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;

  /* Fluid Editorial Type Scale */
  --text-xs: clamp(0.75rem, 0.72rem + 0.15vw, 0.8125rem);
  --text-sm: clamp(0.875rem, 0.84rem + 0.18vw, 0.9375rem);
  --text-base: clamp(1rem, 0.96rem + 0.22vw, 1.125rem);
  --text-lead: clamp(1.15rem, 1.08rem + 0.4vw, 1.375rem);
  --text-h3: clamp(1.25rem, 1.15rem + 0.55vw, 1.625rem);
  --text-h2: clamp(1.875rem, 1.5rem + 1.8vw, 3rem);
  --text-h1: clamp(2.35rem, 1.8rem + 2.8vw, 4.25rem);

  /* Spacing & Layout Tokens */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;
  --space-9: clamp(4.5rem, 8vw, 8.5rem);

  --container-max: 1320px;
  --container-pad: clamp(1.25rem, 4vw, 3.5rem);
  --header-height: 76px;
  --measure-body: 58ch;
  --measure-tight: 46ch;

  /* Motion Tokens */
  --ease-editorial: cubic-bezier(0.22, 1, 0.36, 1);
  --duration-fast: 200ms;
  --duration-base: 520ms;
  --duration-scene: 820ms;
}

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

html {
  font-size: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 1.5rem);
  background-color: var(--surface-primary);
  color: var(--text-primary);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--text-primary);
  background-color: var(--surface-primary);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Top Brand Accent Bar (preserving the 4-color architectural ribbon from corporate identity) */
.brand-spectrum-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  height: 4px;
  width: 100%;
  position: relative;
  z-index: 60;
}
.brand-spectrum-bar span:nth-child(1) { background-color: var(--brand-blue-approx); }
.brand-spectrum-bar span:nth-child(2) { background-color: var(--brand-green-approx); }
.brand-spectrum-bar span:nth-child(3) { background-color: var(--brand-yellow-approx); }
.brand-spectrum-bar span:nth-child(4) { background-color: var(--brand-red-approx); }

/* Skip Link for Keyboard Accessibility */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--container-pad);
  z-index: 100;
  background-color: var(--text-primary);
  color: var(--surface-primary);
  padding: 0.75rem 1.25rem;
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  border: 2px solid var(--brand-blue-approx);
  transition: top var(--duration-fast) var(--ease-editorial);
}

.skip-link:focus {
  top: 0.75rem;
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
}

/* Global Focus States */
:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 3px;
}

.scene--dark :focus-visible,
.site-footer :focus-visible {
  outline-color: var(--focus-ring-dark);
}

/* Container & Architectural Grid */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-height);
  background-color: rgba(247, 245, 240, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-hairline);
}

.site-header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.brand-logo-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
  padding: 0.25rem 0;
}

.brand-logo-picture {
  display: inline-flex;
  align-items: center;
}

.brand-logo-img {
  display: block;
  width: auto;
  height: 34px;
  aspect-ratio: 1024 / 363;
  object-fit: contain;
}

.brand-wordmark-sr {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.brand-descriptor-tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-left: 1px solid var(--border-hairline-strong);
  padding-left: 0.75rem;
  line-height: 1.2;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.2vw, 2.25rem);
  list-style: none;
}

.site-nav__link {
  position: relative;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 0.35rem 0;
  letter-spacing: 0.01em;
  white-space: nowrap;
  transition: color var(--duration-fast) ease;
}

.site-nav__link:hover,
.site-nav__link[aria-current="true"] {
  color: var(--text-primary);
}

.site-nav__link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1.5px;
  background-color: var(--text-primary);
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform var(--duration-base) var(--ease-editorial);
}

.site-nav__link:hover::after,
.site-nav__link[aria-current="true"]::after {
  transform: scaleX(1);
  transform-origin: left center;
}

.site-nav__index {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
  margin-right: 0.3rem;
}

/* Buttons & CTAs */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  padding: 0.8rem 1.4rem;
  border: 1px solid transparent;
  transition:
    background-color var(--duration-fast) ease,
    color var(--duration-fast) ease,
    border-color var(--duration-fast) ease,
    transform var(--duration-fast) ease;
  cursor: pointer;
  white-space: nowrap;
}

.btn--primary {
  background-color: var(--text-primary);
  color: var(--surface-primary);
  border-color: var(--text-primary);
}

.btn--primary:hover {
  background-color: #292F36;
  border-color: #292F36;
}

.btn--secondary {
  background-color: transparent;
  color: var(--text-primary);
  border-color: var(--border-hairline-strong);
}

.btn--secondary:hover {
  background-color: var(--surface-elevated);
  border-color: var(--text-primary);
}

.btn--header {
  padding: 0.55rem 1rem;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.btn--on-dark {
  background-color: var(--surface-primary);
  color: var(--surface-dark);
  border-color: var(--surface-primary);
}

.btn--on-dark:hover {
  background-color: #E5E0D5;
  border-color: #E5E0D5;
}

.btn__arrow {
  display: inline-block;
  transition: transform var(--duration-fast) var(--ease-editorial);
}

.btn:hover .btn__arrow {
  transform: translateX(3px);
}

/* Scene Base Structure */
.scene {
  position: relative;
  padding-block: var(--space-9);
  border-bottom: 1px solid var(--border-hairline);
}

.scene--elevated {
  background-color: var(--surface-elevated);
}

.scene--dark {
  background-color: var(--surface-dark);
  color: var(--text-on-dark);
  border-bottom-color: var(--border-hairline-dark);
}

.scene__meta-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2) var(--space-4);
  padding-bottom: var(--space-5);
  margin-bottom: var(--space-6);
  border-bottom: 1px solid var(--border-hairline);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.scene--dark .scene__meta-bar {
  border-bottom-color: var(--border-hairline-dark);
  color: var(--text-muted-on-dark);
}

.scene__index {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.scene__index-dot {
  width: 6px;
  height: 6px;
  display: inline-block;
  background-color: var(--brand-blue-approx);
}

/* Editorial Typography */
.heading-display {
  font-family: var(--font-display);
  font-size: var(--text-h1);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.heading-section {
  font-family: var(--font-display);
  font-size: var(--text-h2);
  font-weight: 400;
  line-height: 1.14;
  letter-spacing: -0.015em;
  max-width: 24ch;
}

.scene--dark .heading-section {
  color: var(--text-on-dark);
}

.heading-sub {
  font-family: var(--font-display);
  font-size: var(--text-h3);
  font-weight: 400;
  line-height: 1.25;
}

.copy-lead {
  font-size: var(--text-lead);
  line-height: 1.55;
  color: var(--text-secondary);
  max-width: var(--measure-body);
}

.scene--dark .copy-lead {
  color: var(--text-muted-on-dark);
}

.copy-body {
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--text-secondary);
  max-width: var(--measure-body);
}

.scene--dark .copy-body {
  color: var(--text-muted-on-dark);
}

/* ==========================================================================
   SCENE 1 — Positioning (Hero with Immersive Video & Atmospheric Transition)
   ========================================================================== */
.scene-hero {
  min-height: calc(100svh - var(--header-height) - 4px);
  display: flex;
  align-items: center;
  padding-block: clamp(3rem, 6vw, 6rem);
  position: relative;
  overflow: hidden;
  background-color: #0b0d10;
  color: var(--text-on-dark);
}

/* Hero Background Video Container */
.hero-video-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 1;
  pointer-events: none;
}

.hero-video-media {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.42;
  transform: scale(1.04);
  transition: opacity 1.2s ease, transform 1.8s var(--ease-editorial);
  filter: contrast(1.1) brightness(0.9) saturate(1.15);
}

.hero-video-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at 75% 45%,
    rgba(18, 21, 24, 0.4) 0%,
    rgba(11, 13, 16, 0.82) 65%,
    rgba(11, 13, 16, 0.98) 100%
  );
  z-index: 2;
}

.hero-video-gradient-bottom {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 160px;
  background: linear-gradient(to bottom, transparent, var(--surface-elevated));
  z-index: 2;
  pointer-events: none;
}

.scene-hero .container {
  position: relative;
  z-index: 5;
}

.scene-hero .scene__meta-bar {
  border-bottom-color: rgba(255, 255, 255, 0.15);
  color: var(--text-muted-on-dark);
}

.scene-hero .heading-display {
  color: #FFFFFF;
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.6);
}

.scene-hero .hero-supporting {
  color: #E2DFD8;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
}

.scene-hero .hero-context {
  color: #B5B0A6;
}

.scene-hero .hero-brand-lockup {
  border-bottom-color: rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 0.5rem 1rem;
  border-radius: 4px;
  display: inline-flex;
}

.scene-hero .hero-brand-caption {
  color: #D0CCC4;
}

.scene-hero .btn--primary {
  background-color: #FFFFFF;
  color: #121518;
  border-color: #FFFFFF;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.scene-hero .btn--primary:hover {
  background-color: #E5E0D5;
  border-color: #E5E0D5;
}

.scene-hero .btn--secondary {
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.35);
  background-color: rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(4px);
}

.scene-hero .btn--secondary:hover {
  background-color: rgba(255, 255, 255, 0.12);
  border-color: #FFFFFF;
}

.scene-hero .hero-highlights {
  border-top-color: rgba(255, 255, 255, 0.15);
}

.scene-hero .hero-highlight-item dt {
  color: #9E998F;
}

.scene-hero .hero-highlight-item dd {
  color: #FFFFFF;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: center;
}

/* Glassmorphic Architectural Frame on Dark Video */
.scene-hero .architectural-frame {
  background-color: rgba(18, 21, 24, 0.78);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
}

.scene-hero .architectural-frame .architectural-svg {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 4px;
}

.scene-hero .architectural-frame__caption {
  border-top-color: rgba(255, 255, 255, 0.12);
  color: #A7B0BA;
}

/* Scroll indicator on Hero */
.hero-scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: #A7B0BA;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  z-index: 5;
  pointer-events: none;
}

.hero-scroll-line {
  width: 1px;
  height: 28px;
  background: linear-gradient(to bottom, #A7B0BA, transparent);
  animation: heroScrollPulse 2s ease-in-out infinite;
}

@keyframes heroScrollPulse {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  50.1% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-4);
}

.hero-brand-lockup {
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border-hairline);
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.hero-brand-logo {
  height: 46px;
  width: auto;
  aspect-ratio: 1024 / 363;
  display: block;
}

.hero-brand-caption {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-supporting {
  margin-top: var(--space-5);
  font-size: var(--text-lead);
  font-weight: 500;
  color: var(--text-primary);
  max-width: 44ch;
  line-height: 1.45;
}

.hero-context {
  margin-top: var(--space-4);
  color: var(--text-secondary);
  max-width: 52ch;
}

.hero-actions {
  margin-top: var(--space-6);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
}

.hero-highlights {
  margin-top: var(--space-7);
  padding-top: var(--space-5);
  border-top: 1px solid var(--border-hairline);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.hero-highlight-item dt {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.hero-highlight-item dd {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
}

/* Abstract Architectural Artwork Frame */
.architectural-frame {
  position: relative;
  background-color: var(--surface-card);
  border: 1px solid var(--border-hairline);
  padding: clamp(1.25rem, 2.5vw, 2.25rem);
  overflow: hidden;
}

.architectural-frame::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(
    90deg,
    var(--brand-blue-approx) 0%,
    var(--brand-blue-approx) 25%,
    var(--brand-green-approx) 25%,
    var(--brand-green-approx) 50%,
    var(--brand-yellow-approx) 50%,
    var(--brand-yellow-approx) 75%,
    var(--brand-red-approx) 75%,
    var(--brand-red-approx) 100%
  );
}

.architectural-svg {
  display: block;
  width: 100%;
  height: auto;
}

.architectural-frame__caption {
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--border-hairline);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-2) var(--space-4);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ==========================================================================
   SCENE 2 — Business Challenge
   ========================================================================== */
.challenge-layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

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

.challenge-pathway {
  border-top: 1px solid var(--border-hairline);
}

.pathway-stage {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: var(--space-4);
  padding-block: var(--space-5);
  border-bottom: 1px solid var(--border-hairline);
  align-items: baseline;
}

.pathway-stage__phase {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--brand-blue-accessible);
  font-weight: 600;
}

.pathway-stage:nth-child(2) .pathway-stage__phase {
  color: var(--brand-green-accessible);
}

.pathway-stage:nth-child(3) .pathway-stage__phase {
  color: var(--brand-red-accessible);
}

.pathway-stage__title {
  font-family: var(--font-display);
  font-size: var(--text-h3);
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.pathway-stage__detail {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  max-width: 50ch;
}

/* ==========================================================================
   SCENE 3 — The IN10 Difference (Integrated Editorial Composition)
   ========================================================================== */
.difference-editorial {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: clamp(2.5rem, 5vw, 5.5rem);
  align-items: start;
}

.difference-sticky-column {
  position: sticky;
  top: calc(var(--header-height) + 2.5rem);
}

.difference-sculpture {
  margin-top: var(--space-6);
  background-color: var(--surface-dark-elevated);
  border: 1px solid var(--border-hairline-dark);
  padding: var(--space-5);
}

.difference-chapters {
  border-top: 1px solid var(--border-hairline-dark);
}

.discipline-chapter {
  padding-block: clamp(2rem, 4vw, 3.25rem);
  border-bottom: 1px solid var(--border-hairline-dark);
  position: relative;
}

.discipline-chapter__header {
  display: flex;
  align-items: baseline;
  gap: var(--space-4);
  margin-bottom: var(--space-3);
}

.discipline-chapter__num {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  padding: 0.2rem 0.55rem;
  border: 1px solid var(--border-hairline-dark);
  color: var(--text-on-dark);
}

.discipline-chapter[data-accent="blue"] .discipline-chapter__num {
  border-left: 3px solid var(--brand-blue-approx);
}
.discipline-chapter[data-accent="green"] .discipline-chapter__num {
  border-left: 3px solid var(--brand-green-approx);
}
.discipline-chapter[data-accent="red"] .discipline-chapter__num {
  border-left: 3px solid var(--brand-red-approx);
}

.discipline-chapter__subtitle {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--text-muted-on-dark);
  margin-bottom: var(--space-3);
}

.discipline-chapter__desc {
  color: var(--text-muted-on-dark);
  font-size: var(--text-base);
  line-height: 1.65;
  max-width: 54ch;
}

/* ==========================================================================
   SCENE 4 — Capabilities (Architectural Ledger)
   ========================================================================== */
.capabilities-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  align-items: end;
  margin-bottom: var(--space-7);
}

.capabilities-ledger {
  border-top: 1px solid var(--border-hairline-strong);
}

.capability-row {
  display: grid;
  grid-template-columns: 80px 1fr 1.15fr;
  gap: clamp(1.5rem, 3.5vw, 3.5rem);
  padding-block: clamp(2rem, 3.8vw, 3.25rem);
  border-bottom: 1px solid var(--border-hairline);
  align-items: start;
}

.capability-row__index {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.capability-row__bar {
  width: 14px;
  height: 3px;
  display: inline-block;
}
.capability-row[data-accent="blue"] .capability-row__bar { background-color: var(--brand-blue-approx); }
.capability-row[data-accent="green"] .capability-row__bar { background-color: var(--brand-green-approx); }
.capability-row[data-accent="yellow"] .capability-row__bar { background-color: var(--brand-yellow-approx); }
.capability-row[data-accent="red"] .capability-row__bar { background-color: var(--brand-red-approx); }

.capability-row__type {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

.capability-row__desc {
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
}

.capability-row__points {
  list-style: none;
  display: grid;
  gap: 0.5rem;
  border-left: 1px solid var(--border-hairline-strong);
  padding-left: var(--space-4);
}

.capability-row__points li {
  font-size: var(--text-sm);
  color: var(--text-primary);
  position: relative;
}

/* ==========================================================================
   SCENE 5 — Working Approach with Ambient Video Backdrop (in10-hero02.mp4)
   ========================================================================== */
.scene-approach {
  position: relative;
  overflow: hidden;
  background-color: #0b0d10;
  color: var(--text-on-dark);
  padding-block: clamp(4rem, 8vw, 8rem);
}

.approach-video-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 1;
  pointer-events: none;
}

.approach-video-media {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.78;
  filter: contrast(1.05) brightness(0.96) saturate(1.15);
  transform: scale(1.02);
  transition: opacity 1.2s ease;
}

.approach-video-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at 50% 45%,
    rgba(11, 13, 16, 0.12) 0%,
    rgba(11, 13, 16, 0.42) 65%,
    rgba(11, 13, 16, 0.76) 100%
  );
  z-index: 2;
}

.approach-video-gradient-top {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 140px;
  background: linear-gradient(to bottom, var(--surface-primary), transparent);
  z-index: 2;
  pointer-events: none;
}

.approach-video-gradient-bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 140px;
  background: linear-gradient(to bottom, transparent, var(--surface-primary));
  z-index: 2;
  pointer-events: none;
}

.scene-approach__container {
  position: relative;
  z-index: 3;
}

.scene-approach .scene__meta-bar {
  border-top-color: rgba(255, 255, 255, 0.2);
  color: #C0C8D2;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.8);
}

.scene-approach .heading-section {
  color: #FFFFFF;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.75);
}

.scene-approach .copy-lead {
  color: #F1F5F9;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.8);
}

.approach-header {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-6);
  align-items: end;
  margin-bottom: var(--space-6);
}

.approach-sequence {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--border-hairline-strong);
  border-bottom: 1px solid var(--border-hairline-strong);
  background-color: var(--surface-card);
}

.scene-approach .approach-sequence {
  background-color: rgba(12, 16, 21, 0.28);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.22);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.35);
}

.approach-stage {
  padding: clamp(1.5rem, 2.8vw, 2.5rem);
  border-right: 1px solid var(--border-hairline);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-5);
  position: relative;
}

.scene-approach .approach-stage {
  border-right: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(12, 16, 21, 0.14);
  transition: background-color 0.3s ease;
}

.scene-approach .approach-stage:hover {
  background-color: rgba(255, 255, 255, 0.08);
}

.approach-stage:last-child {
  border-right: none;
}

.approach-stage::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
}
.approach-stage:nth-child(1)::before { background-color: var(--brand-blue-approx); }
.approach-stage:nth-child(2)::before { background-color: var(--brand-green-approx); }
.approach-stage:nth-child(3)::before { background-color: var(--brand-yellow-approx); }
.approach-stage:nth-child(4)::before { background-color: var(--brand-red-approx); }

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

.scene-approach .approach-stage__step {
  color: #73D118;
  font-weight: 700;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.9);
}

.approach-stage__title {
  font-family: var(--font-display);
  font-size: var(--text-h3);
  margin-top: var(--space-2);
  color: var(--text-primary);
}

.scene-approach .approach-stage__title {
  color: #FFFFFF;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.85);
}

.approach-stage__summary {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

.scene-approach .approach-stage__summary {
  color: #F1F5F9;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.9);
}

.approach-disclaimer {
  margin-top: var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.scene-approach .approach-disclaimer {
  color: #C0C8D2;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
}

/* ==========================================================================
   SCENE 6 — Questions Hotel Teams Ask (FAQ)
   ========================================================================== */
.faq-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

.faq-list {
  border-top: 1px solid var(--border-hairline-strong);
}

.faq-item {
  padding-block: var(--space-5);
  border-bottom: 1px solid var(--border-hairline);
}

.faq-item__question {
  font-family: var(--font-display);
  font-size: var(--text-h3);
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}

.faq-item__answer {
  font-size: var(--text-base);
  color: var(--text-secondary);
  max-width: 58ch;
}

/* ==========================================================================
   SCENE 7 — Contact & Footer
   ========================================================================== */
.contact-editorial {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: center;
}

.contact-box {
  background-color: var(--surface-dark-elevated);
  border: 1px solid var(--border-hairline-dark);
  padding: clamp(1.75rem, 3.5vw, 3rem);
  position: relative;
}

.contact-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(
    90deg,
    var(--brand-blue-approx) 0 25%,
    var(--brand-green-approx) 25% 50%,
    var(--brand-yellow-approx) 50% 75%,
    var(--brand-red-approx) 75% 100%
  );
}

.contact-email-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted-on-dark);
  margin-bottom: var(--space-2);
}

.contact-email-selectable {
  font-family: var(--font-mono);
  font-size: clamp(1.1rem, 1.8vw, 1.5rem);
  color: var(--text-on-dark);
  user-select: all;
  -webkit-user-select: all;
  word-break: break-all;
  margin-bottom: var(--space-5);
  padding: 0.75rem 1rem;
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-hairline-dark);
}

.contact-note {
  margin-top: var(--space-4);
  font-size: var(--text-xs);
  color: var(--text-muted-on-dark);
}

/* Service Hubs in Scene 7 (Bangkok HQ, Koh Samui, Phuket) */
.service-hubs-strip {
  margin-top: var(--space-5);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: var(--space-4);
}

.service-hub-card {
  padding: 0.85rem 1rem;
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.service-hub-card:hover {
  border-color: rgba(255, 255, 255, 0.2);
  background-color: rgba(255, 255, 255, 0.06);
}

.service-hub-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.service-hub-card__city {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: #FFFFFF;
  font-weight: 600;
}

.service-hub-card__badge {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-green-approx);
  padding: 0.125rem 0.35rem;
  background: rgba(80, 168, 9, 0.15);
  border: 1px solid rgba(80, 168, 9, 0.3);
}

.service-hub-card__role {
  font-size: 0.75rem;
  color: #94A3B8;
  line-height: 1.45;
}

/* Footer */
.site-footer {
  background-color: var(--surface-dark);
  color: var(--text-muted-on-dark);
  padding-block: var(--space-7);
  border-top: 1px solid var(--border-hairline-dark);
  font-size: var(--text-sm);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: var(--space-6);
  align-items: start;
}

.site-footer__brand-box {
  display: inline-block;
  background-color: var(--surface-primary);
  padding: 0.5rem 0.85rem;
  margin-bottom: var(--space-3);
}

.site-footer__logo {
  height: 28px;
  width: auto;
  aspect-ratio: 1024 / 363;
  display: block;
}

.site-footer__heading {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-on-dark);
  margin-bottom: var(--space-3);
}

.site-footer__nav {
  list-style: none;
  display: grid;
  gap: 0.45rem;
}

.site-footer__link {
  color: var(--text-muted-on-dark);
  text-decoration: none;
  transition: color var(--duration-fast) ease;
}

.site-footer__link:hover {
  color: var(--text-on-dark);
}

.site-footer__email {
  font-family: var(--font-mono);
  color: var(--text-on-dark);
  user-select: all;
  -webkit-user-select: all;
}

.site-footer__bottom {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-hairline-dark);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-3);
  font-size: var(--text-xs);
}

/* ==========================================================================
   Progressive Enhancement Scroll Reveals
   Content is 100% readable by default when JS is disabled.
   When JS initializes (`html.js-motion-ready`), elements off-screen prepare
   a subtle transform/opacity transition.
   ========================================================================== */
@media (prefers-reduced-motion: no-preference) {
  html.js-motion-ready [data-reveal="fade-up"] {
    opacity: 0.01;
    transform: translate3d(0, 22px, 0);
    transition:
      opacity var(--duration-scene) var(--ease-editorial),
      transform var(--duration-scene) var(--ease-editorial);
    will-change: opacity, transform;
  }

  html.js-motion-ready [data-reveal="fade-up"].is-visible {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }

  html.js-motion-ready [data-reveal="mask-plane"] {
    opacity: 0.01;
    transform: scale(0.985) translate3d(0, 14px, 0);
    transition:
      opacity var(--duration-scene) var(--ease-editorial),
      transform var(--duration-scene) var(--ease-editorial);
  }

  html.js-motion-ready [data-reveal="mask-plane"].is-visible {
    opacity: 1;
    transform: scale(1) translate3d(0, 0, 0);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ==========================================================================
   Responsive Breakpoints (Tested at 1440px, 1280px, 768px, 390px, 360px)
   ========================================================================== */
@media (max-width: 1024px) {
  .brand-descriptor-tag,
  .site-nav__index {
    display: none;
  }

  .hero-grid,
  .challenge-layout,
  .difference-editorial,
  .capabilities-intro,
  .approach-header,
  .faq-layout,
  .contact-editorial {
    grid-template-columns: 1fr;
  }

  .difference-sticky-column {
    position: static;
  }

  .capability-row {
    grid-template-columns: 60px 1fr;
  }

  .capability-row__body {
    grid-column: 1 / -1;
  }

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

  .approach-stage:nth-child(2) {
    border-right: none;
  }

  .approach-stage:nth-child(1),
  .approach-stage:nth-child(2) {
    border-bottom: 1px solid var(--border-hairline);
  }

  .scene-approach .approach-stage:nth-child(1),
  .scene-approach .approach-stage:nth-child(2) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
}

@media (max-width: 767px) {
  :root {
    --header-height: 68px;
  }

  .brand-descriptor-tag {
    display: none;
  }

  .site-nav__index {
    display: none;
  }

  .site-header__inner {
    gap: var(--space-2);
  }

  .brand-logo-img {
    height: 26px;
  }

  .site-nav {
    gap: var(--space-3);
  }

  .site-nav__list {
    gap: 0.75rem;
  }

  .site-nav__link {
    font-size: 0.8125rem;
  }

  .btn--header {
    display: none;
  }

  .hero-highlights {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .pathway-stage {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }

  .capability-row {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .approach-sequence {
    grid-template-columns: 1fr;
  }

  .approach-stage {
    border-right: none;
    border-bottom: 1px solid var(--border-hairline);
  }

  .scene-approach .approach-stage {
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .approach-stage:last-child {
    border-bottom: none;
  }

  .service-hubs-strip {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }

  .site-footer__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 380px) {
  .site-nav__list {
    gap: 0.55rem;
  }
  .site-nav__link {
    font-size: 0.75rem;
  }
  .brand-logo-img {
    height: 22px;
  }
}