/* ============================================
   RIYALABS.AI — TEAL DARK THEME
   Dark premium theme with teal (#4FD1C5) accent
   Varied section rhythm for top-tier feel
   ============================================ */

/* --- Type Scale --- */
:root {
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);
  --text-hero: clamp(3rem,     0.5rem  + 7vw,    8rem);

  /* --- Spacing (4px base) --- */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* --- Radius --- */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* --- Transitions --- */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);

  /* --- Content Widths --- */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;

  /* --- Fonts --- */
  --font-display: 'Cabinet Grotesk', 'Helvetica Neue', sans-serif;
  --font-body: 'Satoshi', 'Inter', sans-serif;

  /* --- Dark Theme Colors — TEAL accent --- */
  --color-bg:             #0B0F1A;
  --color-surface:        #111827;
  --color-surface-2:      #1A2233;
  --color-surface-alt:    #1E293B;
  --color-surface-light:  #0E1525;
  --color-border:         rgba(255, 255, 255, 0.08);
  --color-border-accent:  rgba(79, 209, 197, 0.25);
  --color-text:           #E8ECF4;
  --color-text-muted:     #9CA3BF;
  --color-text-faint:     #5B6080;
  --color-accent:         #4FD1C5;
  --color-accent-hover:   #38B2AC;
  --color-accent-dim:     rgba(79, 209, 197, 0.12);
  --color-accent-glow:    rgba(79, 209, 197, 0.06);
  --color-danger:         #F87171;

  /* --- Shadows --- */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.5);
}

/* ============================================
   GLOBAL
   ============================================ */

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  overflow-x: hidden;
}

.container {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

@media (min-width: 768px) {
  .container { padding-inline: var(--space-8); }
}

.accent-text {
  color: var(--color-accent);
}

/* ============================================
   HEADER
   ============================================ */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(11, 15, 26, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
  overflow: hidden;
}

.site-header.hidden {
  transform: translateY(-100%);
}

.header-inner {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .header-inner { padding-inline: var(--space-8); }
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--color-text);
  flex-shrink: 0;
}

.logo-img {
  display: block;
  height: 52px;
  width: auto;
  max-height: 52px;
  /* Do NOT set max-width — the logo PNG includes text, needs full width */
  object-fit: contain;
  flex-shrink: 0;
  min-width: 0;
}

@media (max-width: 767px) {
  .logo-img {
    height: 44px;
    max-height: 44px;
  }
}

.footer-logo-img {
  display: block;
  height: 44px;
  width: auto;
  object-fit: contain;
}

.main-nav { margin-left: auto; }

.main-nav ul {
  display: flex;
  gap: var(--space-6);
  list-style: none;
}

.main-nav a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: color var(--transition-interactive);
}

.main-nav a:hover { color: var(--color-text); }

@media (max-width: 767px) {
  .main-nav { display: none; }
  .header-inner .btn-sm { display: none; }
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  margin-left: auto;
}

.mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: transform 0.3s var(--ease-out), opacity 0.3s var(--ease-out);
}

.mobile-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.mobile-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

@media (max-width: 767px) {
  .mobile-toggle { display: flex; }
}

/* Mobile Nav */
.mobile-nav {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 99;
  background: rgba(11, 15, 26, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease-out);
}

.mobile-nav.open { opacity: 1; pointer-events: all; }

.mobile-nav ul {
  list-style: none;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.mobile-nav a {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition-interactive);
}

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

/* ============================================
   BUTTONS
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-sm);
  text-decoration: none;
  border-radius: var(--radius-md);
  padding: 0.65em 1.5em;
  transition: all var(--transition-interactive);
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-bg);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(79, 209, 197, 0.35);
}

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

.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-sm { padding: 0.5em 1.2em; font-size: var(--text-xs); }
.btn-lg { padding: 0.85em 2em; font-size: var(--text-base); }

/* ============================================
   SECTIONS — VARIED RHYTHM
   ============================================ */

.section {
  padding-block: clamp(var(--space-12), 8vw, var(--space-24));
}

.section-header {
  margin-bottom: clamp(var(--space-8), 5vw, var(--space-16));
}

.section-header--center {
  text-align: center;
  max-width: 720px;
  margin-inline: auto;
}

.section-header--center .section-desc {
  margin-inline: auto;
}

.section-label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.section-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 56ch;
}

/* ============================================
   HERO
   ============================================ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--space-20) + 60px) var(--space-4) var(--space-16);
  overflow: hidden;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
}

.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.4;
}

.glow-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(79, 209, 197, 0.18), transparent 70%);
  top: 10%;
  right: 15%;
}

.glow-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(79, 209, 197, 0.10), transparent 70%);
  bottom: 20%;
  left: 10%;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  text-align: left;
}

@media (min-width: 768px) {
  .hero { padding-inline: var(--space-8); }
  .hero-content { max-width: 900px; }
}

.hero-label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--color-border-accent);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
  background: var(--color-accent-dim);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  line-height: 1.05;
  margin-bottom: var(--space-6);
  color: var(--color-text);
}

.hero-sub {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 60ch;
  margin-bottom: var(--space-8);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}

.hero-metrics {
  display: flex;
  gap: var(--space-8);
  align-items: center;
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}

.metric {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.metric-value {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-accent);
}

.metric-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 500;
}

.metric-divider {
  width: 1px;
  height: 40px;
  background: var(--color-border);
}

@media (max-width: 600px) {
  .hero-metrics {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
  }
  .metric-divider {
    width: 40px;
    height: 1px;
  }
}

/* ============================================
   TECHNOLOGY ECOSYSTEM
   ============================================ */

.section-ecosystem {
  padding-block: var(--space-8);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface-light);
}

.ecosystem-label {
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-faint);
  text-align: center;
  margin-bottom: var(--space-6);
}

.ecosystem-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-6);
  align-items: center;
}

@media (min-width: 768px) {
  .ecosystem-grid { gap: var(--space-10); }
}

.ecosystem-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.ecosystem-name {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  opacity: 0.6;
  letter-spacing: 0.02em;
  transition: opacity var(--transition-interactive);
}

.ecosystem-item:hover .ecosystem-name {
  opacity: 1;
}

/* ============================================
   PROBLEM / SOLUTION — Surface background
   ============================================ */

.section-problem {
  background: var(--color-surface);
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-6);
  align-items: center;
}

@media (max-width: 767px) {
  .comparison-grid { grid-template-columns: 1fr; }
  .comparison-arrow { transform: rotate(90deg); justify-self: center; }
}

.comparison-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
}

.comparison-new {
  border-color: var(--color-border-accent);
  background: linear-gradient(135deg, var(--color-surface-2), rgba(79, 209, 197, 0.05));
}

.comparison-tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  padding: var(--space-1) var(--space-3);
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-full);
}

.tag-accent {
  color: var(--color-accent);
  background: var(--color-accent-dim);
}

.comparison-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-6);
}

.comparison-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.comparison-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

.comparison-list li svg {
  flex-shrink: 0;
  margin-top: 2px;
}

.comparison-old .comparison-list li svg { color: var(--color-danger); opacity: 0.7; }
.comparison-new .comparison-list li svg { color: var(--color-accent); }

.comparison-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ============================================
   OUTCOMES BAR
   ============================================ */

.section-outcomes-bar {
  padding-block: var(--space-8);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.outcomes-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-8);
}

.outcome-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
}

.outcome-item svg { color: var(--color-accent); flex-shrink: 0; }

/* ============================================
   WHO WE SERVE — INDUSTRIES
   ============================================ */

.section-industries {
  background: var(--color-bg);
  position: relative;
}

.section-industries::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 40% at 50% 0%, rgba(79, 209, 197, 0.05), transparent);
  pointer-events: none;
}

.industries-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  position: relative;
}

@media (max-width: 767px) {
  .industries-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .industries-grid { grid-template-columns: 1fr; }
}

.industry-card {
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: border-color var(--transition-interactive), transform var(--transition-interactive);
}

.industry-card:hover {
  border-color: var(--color-border-accent);
  transform: translateY(-2px);
}

.industry-icon {
  margin-bottom: var(--space-3);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-dim);
  border-radius: var(--radius-lg);
}

.industry-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.industry-card p {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ============================================
   TRANSFORMATION JOURNEY — Full-width accent moment
   ============================================ */

.section-journey {
  background: var(--color-surface);
  position: relative;
  overflow: hidden;
}

.section-journey::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent), rgba(79, 209, 197, 0.5), transparent);
  opacity: 0.2;
}

.journey-track {
  display: flex;
  gap: var(--space-4);
  position: relative;
  align-items: flex-start;
}

.journey-line {
  position: absolute;
  top: 22px;
  left: 24px;
  right: 24px;
  height: 2px;
  background: linear-gradient(90deg, rgba(79, 209, 197, 0.4), var(--color-accent), rgba(79, 209, 197, 0.4));
  border-radius: 1px;
  z-index: 0;
}

.journey-step {
  flex: 1;
  text-align: center;
  position: relative;
  z-index: 1;
}

.journey-node {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-surface-2);
  border: 2px solid var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-accent);
  margin: 0 auto var(--space-4);
}

.journey-step h3 {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.journey-step p {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: 18ch;
  margin-inline: auto;
}

@media (max-width: 767px) {
  .journey-track {
    flex-direction: column;
    gap: var(--space-6);
    align-items: stretch;
  }
  .journey-line {
    top: 0;
    bottom: 0;
    left: 22px;
    right: auto;
    width: 2px;
    height: auto;
    background: linear-gradient(180deg, rgba(79, 209, 197, 0.4), var(--color-accent), rgba(79, 209, 197, 0.4));
  }
  .journey-step {
    display: flex;
    gap: var(--space-4);
    text-align: left;
    align-items: flex-start;
  }
  .journey-node {
    margin: 0;
    flex-shrink: 0;
  }
  .journey-step p {
    max-width: none;
    margin-inline: 0;
  }
}

/* ============================================
   4 PILLARS — THE BLUEPRINT
   ============================================ */

.section-pillars {
  background: var(--color-bg);
  position: relative;
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

@media (max-width: 767px) {
  .pillars-grid { grid-template-columns: 1fr; }
}

.pillar-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}

.pillar-card:hover {
  border-color: var(--color-border-accent);
  box-shadow: 0 0 40px rgba(79, 209, 197, 0.08);
}

.pillar-number {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-accent);
  opacity: 0.08;
  position: absolute;
  top: var(--space-4);
  right: var(--space-6);
  line-height: 1;
}

.pillar-icon { margin-bottom: var(--space-4); }

.pillar-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.pillar-outcome {
  font-size: var(--text-sm);
  color: var(--color-accent);
  margin-bottom: var(--space-4);
  padding: var(--space-2) var(--space-3);
  background: var(--color-accent-dim);
  border-radius: var(--radius-md);
  display: inline-block;
}

.pillar-outcome strong { font-weight: 600; }

.pillar-card > p:last-of-type {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.6;
}

/* Engage timeline */
.engage-timeline {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.engage-step {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

.engage-tag {
  flex-shrink: 0;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-accent);
  background: var(--color-accent-dim);
  padding: 0.15em 0.6em;
  border-radius: var(--radius-sm);
  min-width: 70px;
  text-align: center;
}

/* ============================================
   EXECUTIVE VALUE — Lighter surface
   ============================================ */

.section-value {
  background: var(--color-surface);
  position: relative;
}

.section-value::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 50% 60% at 50% 100%, rgba(79, 209, 197, 0.04), transparent);
  pointer-events: none;
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  position: relative;
}

@media (max-width: 767px) {
  .value-grid { grid-template-columns: 1fr; }
}

.value-card {
  text-align: left;
  padding: var(--space-8);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: border-color var(--transition-interactive);
}

.value-card:hover {
  border-color: var(--color-border-accent);
}

.value-icon { margin-bottom: var(--space-4); }

.value-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.value-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ============================================
   EXECUTION PLATFORM — STACKED LAYERS
   ============================================ */

.section-platform {
  background: var(--color-bg);
  position: relative;
}

.platform-stack {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 840px;
  margin-inline: auto;
}

.platform-layer {
  border: 1px solid var(--color-border);
  padding: var(--space-8);
  position: relative;
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}

.platform-layer:hover {
  border-color: var(--color-border-accent);
}

.platform-layer--top {
  background: linear-gradient(135deg, rgba(79, 209, 197, 0.1), var(--color-surface));
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  border-bottom: none;
}

.platform-layer--mid {
  background: var(--color-surface);
  border-radius: 0;
  border-bottom: none;
}

.platform-layer--base {
  background: var(--color-surface-2);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

.platform-layer-tag {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
  opacity: 0.7;
}

.platform-layer-content {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-6);
  align-items: start;
}

@media (max-width: 600px) {
  .platform-layer-content {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
}

.platform-layer-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.platform-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-dim);
  border-radius: var(--radius-lg);
  flex-shrink: 0;
}

.platform-layer h3 {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
}

.platform-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.platform-list li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding-left: var(--space-4);
  position: relative;
  line-height: 1.5;
}

.platform-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  opacity: 0.5;
}

/* ============================================
   WHY RIYALABS — Asymmetric layout
   ============================================ */

.section-why {
  background: var(--color-surface);
  position: relative;
  overflow: hidden;
}

@media (max-width: 767px) {
  .section-why { padding-top: var(--space-8) !important; }
  .section-platform { padding-bottom: var(--space-8) !important; }
}



.section-why::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(79, 209, 197, 0.5), var(--color-accent), transparent);
  opacity: 0.2;
}

.why-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: start;
}

@media (max-width: 767px) {
  .why-layout {
    grid-template-columns: 1fr !important;
    gap: var(--space-6) !important;
    display: flex !important;
    flex-direction: column !important;
  }
  .why-grid {
    grid-template-columns: 1fr !important;
    width: 100% !important;
  }
  .why-text {
    width: 100% !important;
    margin-bottom: 0 !important;
  }
}

.why-text {
  position: static;
}

.why-text h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--space-6);
}

.why-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}



.why-card {
  padding: var(--space-6);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: border-color var(--transition-interactive);
}

.why-card:hover {
  border-color: var(--color-border-accent);
}

.why-number {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
  line-height: 1;
}

.why-number svg {
  display: inline-block;
}

.why-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.why-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ============================================
   SUCCESS METRICS — Dark bg for contrast
   ============================================ */

.section-metrics {
  background: var(--color-bg);
  position: relative;
}

.section-metrics::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 50% at 50% 50%, rgba(79, 209, 197, 0.04), transparent);
  pointer-events: none;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  position: relative;
}

@media (max-width: 767px) {
  .metrics-grid { grid-template-columns: 1fr; }
}

.metric-card {
  text-align: center;
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
}

.metric-ring {
  position: relative;
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-4);
}

.metric-ring svg { width: 80px; height: 80px; }

.metric-ring-value {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-accent);
}

.metric-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.metric-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 28ch;
  margin-inline: auto;
  line-height: 1.5;
}

/* ============================================
   CTA — Full-bleed accent moment
   ============================================ */

.section-cta {
  text-align: center;
  position: relative;
  overflow: hidden;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.section-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 60%, rgba(79, 209, 197, 0.10), transparent);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 1;
  max-width: 600px;
  margin-inline: auto;
}

.cta-content .section-label {
  margin-bottom: var(--space-3);
}

.cta-content h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.cta-content > p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  line-height: 1.7;
}

.cta-actions {
  margin-bottom: var(--space-8);
}

.cta-details {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4) var(--space-6);
  margin-bottom: var(--space-6);
}

.cta-detail {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.cta-detail svg { flex-shrink: 0; }

.cta-sub {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.cta-sub a {
  color: var(--color-accent);
  text-decoration: none;
}

.cta-sub a:hover { text-decoration: underline; }

/* ============================================
   FOOTER
   ============================================ */

.site-footer {
  padding-block: var(--space-12);
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

@media (max-width: 600px) {
  .footer-inner {
    flex-direction: column;
    gap: var(--space-6);
  }
}

.footer-brand p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-3);
  max-width: 36ch;
}

.footer-links {
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.footer-links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-interactive);
}

.footer-links a:hover { color: var(--color-text); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.footer-bottom a {
  color: var(--color-text-faint);
  text-decoration: none;
  transition: color var(--transition-interactive);
}

.footer-bottom a:hover { color: var(--color-text-muted); }

@media (max-width: 480px) {
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-2);
    text-align: center;
  }
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */

/* JS-driven reveal */
.reveal-el {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
  /* CSS safety net: if JS observers never fire (e.g. LinkedIn/redirect load),
     force elements visible after 2s so content is never permanently hidden */
  animation: reveal-fallback 0.6s ease-out 2s forwards;
}

@keyframes reveal-fallback {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal-el.visible {
  opacity: 1;
  transform: translateY(0);
  /* Cancel the fallback animation since JS already handled it */
  animation: none;
}

/* Staggered animation delay applied by JS */