/* ============================================
   EDEN ECOSYSTEM V2 — DESIGN TOKENS & STYLES
   Dark-first theme with fractal aesthetic
   ============================================ */

/* --- FONTS --- */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300..700&family=Inter:wght@300..700&family=JetBrains+Mono:wght@400&display=swap');

:root {
  --font-display: 'Space Grotesk', 'Helvetica Neue', sans-serif;
  --font-body: 'Inter', 'Helvetica Neue', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

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

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

  /* Product colors */
  --color-q9: #2E7D32;
  --color-q9-light: #4CAF50;
  --color-hub: #C62828;
  --color-hub-light: #EF5350;
  --color-uriel: #1565C0;
  --color-uriel-light: #42A5F5;
  --color-eden-gold: #D4A847;
}

/* --- DARK MODE (DEFAULT) --- */
:root, [data-theme="dark"] {
  --color-bg: #0A0A0F;
  --color-surface: #12121A;
  --color-surface-2: #1A1A25;
  --color-surface-3: #222230;
  --color-border: #2A2A3A;
  --color-border-light: #3A3A4A;
  --color-text: #E8E8EC;
  --color-text-muted: #9090A0;
  --color-text-faint: #606070;
  --color-primary: #D4A847;
  --color-primary-hover: #E0BC66;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.5);
}

/* --- LIGHT MODE --- */
[data-theme="light"] {
  --color-bg: #F5F4F0;
  --color-surface: #FFFFFF;
  --color-surface-2: #F9F8F5;
  --color-surface-3: #F0EFE8;
  --color-border: #D8D5CC;
  --color-border-light: #E5E2DA;
  --color-text: #1A1A2E;
  --color-text-muted: #5A5A6E;
  --color-text-faint: #9A9AAA;
  --color-primary: #B08830;
  --color-primary-hover: #96720A;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0A0A0F;
    --color-surface: #12121A;
    --color-surface-2: #1A1A25;
    --color-surface-3: #222230;
    --color-border: #2A2A3A;
    --color-border-light: #3A3A4A;
    --color-text: #E8E8EC;
    --color-text-muted: #9090A0;
    --color-text-faint: #606070;
    --color-primary: #D4A847;
    --color-primary-hover: #E0BC66;
  }
}

/* ============================================
   GLOBAL LAYOUT
   ============================================ */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section {
  padding: clamp(var(--space-16), 8vw, var(--space-32)) 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: clamp(var(--space-10), 4vw, var(--space-16));
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 var(--space-6);
}

.section-kicker {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  line-height: 1.1;
}

.section-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 65ch;
  margin: 0 auto;
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: transparent;
  transition: background 300ms var(--ease-out), box-shadow 300ms var(--ease-out);
}

.site-header--scrolled {
  background: rgba(10, 10, 15, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--color-border);
}

[data-theme="light"] .site-header--scrolled {
  background: rgba(245, 244, 240, 0.9);
}

.header-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  gap: var(--space-4);
}

.logo-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
  flex-shrink: 0;
}

.logo-img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
}

.logo-text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.logo-dot {
  color: var(--color-primary);
}

/* Navigation */
.nav-main {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  gap: var(--space-1);
  list-style: none;
}

.nav-list a {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition: color var(--transition-interactive), background var(--transition-interactive);
}

.nav-list a:hover {
  color: var(--color-text);
  background: var(--color-surface-2);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

.lang-toggle {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  padding: var(--space-1) var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-interactive);
  background: transparent;
  letter-spacing: 0.05em;
}

.lang-toggle:hover {
  color: var(--color-text);
  border-color: var(--color-primary);
}

.theme-toggle {
  color: var(--color-text-muted);
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  transition: color var(--transition-interactive);
  display: flex;
  align-items: center;
}

.theme-toggle:hover { color: var(--color-text); }

/* Mobile menu */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  width: 36px;
  height: 36px;
  justify-content: center;
  align-items: center;
}

.mobile-toggle span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--color-text);
  transition: transform 300ms var(--ease-out), opacity 200ms;
}

.mobile-toggle.active span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.mobile-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-toggle.active span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

@media (max-width: 900px) {
  .nav-main {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 300ms var(--ease-out);
    z-index: 90;
  }
  .nav-main.open { opacity: 1; pointer-events: auto; }
  .nav-list { flex-direction: column; align-items: center; gap: var(--space-2); }
  .nav-list a { font-size: var(--text-lg); padding: var(--space-3) var(--space-6); }
  .mobile-toggle { display: flex; z-index: 101; }
}

/* ============================================
   HERO
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: var(--space-32) var(--space-6) var(--space-16);
}

#fractal-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
}

.hero-logo {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin: 0 auto var(--space-6);
  opacity: 0.9;
}

.hero-kicker {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-6);
  line-height: 1.05;
}

.hero-title em {
  font-style: normal;
  color: var(--color-primary);
}

.hero-sub {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 60ch;
  margin: 0 auto var(--space-8);
}

.hero-cta-group {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-interactive);
  cursor: pointer;
  border: none;
}

.btn--primary {
  background: #16A34A; /* Verde vibrante */
  color: #FFFFFF;
  font-weight: 700;
  box-shadow: 0 4px 15px rgba(22, 163, 74, 0.4);
}

.btn--primary:hover {
  background: var(--color-primary); /* Amarelo/Dourado no Hover */
  color: #0A0A0F;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(212, 168, 71, 0.6);
}

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

.btn--outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-1px);
}

.scroll-indicator {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  opacity: 0.3;
  animation: bounce 2s infinite;
  color: var(--color-text);
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ============================================
   ECOSYSTEM SECTION
   ============================================ */
.eco-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-12);
}

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

.eco-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  text-align: center;
  transition: border-color 300ms var(--ease-out), box-shadow 300ms var(--ease-out);
  position: relative;
  overflow: hidden;
}

.eco-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
}

.eco-card--q9::before { background: var(--color-q9); }
.eco-card--hub::before { background: var(--color-hub); }
.eco-card--uriel::before { background: var(--color-uriel); }

.eco-card:hover {
  border-color: var(--color-border-light);
  box-shadow: var(--shadow-md);
}

.eco-card-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-4);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
}

.eco-card--q9 .eco-card-icon { background: rgba(46, 125, 50, 0.15); color: var(--color-q9-light); }
.eco-card--hub .eco-card-icon { background: rgba(198, 40, 40, 0.15); color: var(--color-hub-light); }
.eco-card--uriel .eco-card-icon { background: rgba(21, 101, 192, 0.15); color: var(--color-uriel-light); }

.eco-card-tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-faint);
  margin-bottom: var(--space-2);
}

.eco-card-name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

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

/* Eden cycle */
.eden-cycle-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  margin-bottom: var(--space-10);
  flex-wrap: wrap;
}

.eden-node {
  text-align: center;
}

.eden-num {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-primary);
}

.eden-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.eden-op {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-text-faint);
  font-weight: 300;
}

/* Rivers */
.rivers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

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

.river-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  text-align: center;
}

.river-name {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.river-desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ============================================
   PRODUCT SECTIONS
   ============================================ */
.product-section {
  padding: clamp(var(--space-16), 8vw, var(--space-32)) 0;
  border-top: 1px solid var(--color-border);
}

.product-header {
  margin-bottom: clamp(var(--space-10), 4vw, var(--space-16));
  max-width: 800px;
}

.product-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.product-badge--uriel { background: rgba(21, 101, 192, 0.15); color: var(--color-uriel-light); }
.product-badge--hub { background: rgba(198, 40, 40, 0.15); color: var(--color-hub-light); }
.product-badge--q9 { background: rgba(46, 125, 50, 0.15); color: var(--color-q9-light); }

.product-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.product-subtitle {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  margin-bottom: var(--space-4);
}

.product-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 65ch;
}

/* Capabilities grid */
.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-10);
}

@media (max-width: 900px) {
  .capabilities-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .capabilities-grid { grid-template-columns: 1fr; }
}

.cap-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
}

.cap-card-title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.cap-card-desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* Terminal */
.terminal {
  background: #0D0D12;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  margin-top: var(--space-8);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  overflow: hidden;
  max-width: 700px;
}

[data-theme="light"] .terminal {
  background: #1A1A2E;
}

.terminal-header {
  display: flex;
  gap: 6px;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.terminal-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
}

.terminal-line {
  color: rgba(255,255,255,0.6);
  padding: var(--space-1) 0;
  opacity: 0;
  animation: termLine 0.3s var(--ease-out) forwards;
}

.terminal-line .prefix {
  color: var(--color-uriel-light);
}

.terminal-line .status {
  color: var(--color-q9-light);
}

@keyframes termLine {
  to { opacity: 1; }
}

/* Architecture diagram */
.arch-diagram {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-top: var(--space-8);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  overflow-x: auto;
}

.arch-layer {
  display: flex;
  align-items: stretch;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
  flex-wrap: wrap;
}

.arch-block {
  flex: 1;
  min-width: 120px;
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  text-align: center;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  background: var(--color-surface-2);
}

.arch-block--highlight {
  border-color: var(--color-uriel);
  color: var(--color-uriel-light);
  background: rgba(21, 101, 192, 0.08);
}

/* Problems solved */
.problems-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-8);
}

@media (max-width: 600px) {
  .problems-grid { grid-template-columns: 1fr; }
}

.problem-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.problem-icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  background: rgba(212, 168, 71, 0.1);
  color: var(--color-primary);
}

.problem-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* Modules grid */
.modules-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-8);
}

@media (max-width: 900px) {
  .modules-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .modules-grid { grid-template-columns: 1fr; }
}

.module-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
}

.module-num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-hub-light);
  margin-bottom: var(--space-1);
}

.module-name {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.module-desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* Q9 Levels */
.q9-levels {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-8);
  max-width: 700px;
}

.q9-level {
  display: grid;
  grid-template-columns: 40px 140px 1fr;
  gap: var(--space-3);
  align-items: center;
}

@media (max-width: 600px) {
  .q9-level { grid-template-columns: 36px 100px 1fr; }
}

.q9-num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-q9-light);
}

.q9-name {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
}

.q9-bar {
  height: 6px;
  background: var(--color-surface-2);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.q9-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-q9), var(--color-q9-light));
  border-radius: var(--radius-full);
  transition: width 1s var(--ease-out);
}

/* Value Ladder */
.ladder-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-8);
  align-items: flex-end;
}

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

@media (max-width: 500px) {
  .ladder-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.ladder-step {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  text-align: center;
  transition: border-color 300ms var(--ease-out);
}

.ladder-step:hover {
  border-color: var(--color-primary);
}

.ladder-price {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-1);
}

.ladder-tier {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ============================================
   ABOUT / FOUNDER
   ============================================ */
.about-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-10);
  align-items: start;
}

@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

.founder-photo-wrap {
  position: relative;
}

.founder-photo {
  width: 100%;
  max-width: 280px;
  border-radius: var(--radius-lg);
  aspect-ratio: 1;
  object-fit: cover;
  border: 1px solid var(--color-border);
}

@media (max-width: 768px) {
  .founder-photo {
    max-width: 200px;
    margin: 0 auto;
  }
}

.about-text h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.about-role {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-6);
}

.about-text p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

.about-links {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-6);
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .about-links { justify-content: center; }
}

.about-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: var(--text-sm);
  transition: color var(--transition-interactive);
}

.about-link:hover { color: var(--color-primary); }
.about-link svg { width: 18px; height: 18px; flex-shrink: 0; }

/* ============================================
   DOCUMENTATION
   ============================================ */
.docs-category {
  margin-bottom: var(--space-10);
}

.docs-category-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-border);
}

.docs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-3);
}

.doc-card {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  text-decoration: none;
  color: var(--color-text);
  transition: border-color 300ms var(--ease-out), box-shadow 300ms var(--ease-out);
}

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

.doc-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  background: rgba(212, 168, 71, 0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.doc-info {
  flex: 1;
  min-width: 0;
}

.doc-name {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.doc-meta {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* ============================================
   TECH STACK
   ============================================ */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

@media (max-width: 900px) {
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
}

.tech-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
}

.tech-card-title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.tech-card-list {
  list-style: none;
  padding: 0;
}

.tech-card-list li {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  padding: var(--space-1) 0;
  border-bottom: 1px solid var(--color-border);
}

.tech-card-list li:last-child { border-bottom: none; }

/* ============================================
   CTA / CONTACT
   ============================================ */
.cta-section {
  padding: clamp(var(--space-16), 8vw, var(--space-24)) 0;
  text-align: center;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.cta-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.cta-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 50ch;
  margin: 0 auto var(--space-8);
  line-height: 1.7;
}

.contact-links {
  display: flex;
  gap: var(--space-6);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--space-6);
}

.contact-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: var(--text-sm);
  transition: color var(--transition-interactive);
}

.contact-link:hover { color: var(--color-primary); }
.contact-link svg { width: 20px; height: 20px; flex-shrink: 0; }

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  padding: var(--space-6) 0;
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-copy {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.footer-links {
  display: flex;
  gap: var(--space-4);
}

.footer-links a {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-decoration: none;
  transition: color var(--transition-interactive);
}

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

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */
.fade-in {
  opacity: 0;
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-in.visible {
  opacity: 1;
}

/* Section alternate bg */
.section--alt {
  background: var(--color-surface);
}