/* ============================================
   EBENEZER DREAM STUDIO — Design System
   Minimal, Bold, Premium Portfolio
   ============================================ */

/* --- Google Fonts Import --- */
@import url('https://fonts.googleapis.com/css2?family=Big+Shoulders+Display:wght@400;500;600;700;900&family=Inter:ital,wght@0,400;0,500;0,600;0,700;1,400;1,600;1,700&display=swap');

/* --- CSS Custom Properties (Design Tokens) --- */
:root {
  /* Colors - Light Mode */
  --bg-primary: #ffffff;
  --bg-secondary: #f2f2f2;
  --bg-card: #f8f8f8;
  --bg-card-hover: #f0f0f0;
  --text-primary: #000000;
  --text-secondary: #616161;
  --text-muted: #9ca2a6;
  --border-color: #e3e3e3;
  --border-subtle: rgba(224, 224, 224, 0.63);
  --accent: #4f46e5;
  --accent-hover: #4338ca;
  --accent-glow: rgba(79, 70, 229, 0.15);
  --red: #ff392a;
  --green: #44c92c;
  --blue: #1791e8;
  --badge-bg: #f0f0f0;
  --badge-text: #333;
  --overlay: rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.1);
  --shadow-card: 0 1px 3px rgba(0,0,0,0.04);
  --shadow-card-hover: 0 8px 24px rgba(0,0,0,0.08);

  /* Typography */
  --font-heading: 'Big Shoulders Display', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  
  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;
  --space-5xl: 128px;

  /* Layout */
  --max-width: 1200px;
  --nav-height: 72px;
  --border-radius: 12px;
  --border-radius-sm: 8px;
  --border-radius-lg: 16px;
  --border-radius-xl: 20px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- Dark Mode --- */
[data-theme="dark"] {
  --bg-primary: #0a0a0a;
  --bg-secondary: #141414;
  --bg-card: #1a1a1a;
  --bg-card-hover: #222222;
  --text-primary: #ffffff;
  --text-secondary: #9ca2a6;
  --text-muted: #616161;
  --border-color: #2c2c2c;
  --border-subtle: rgba(44, 44, 44, 0.8);
  --accent: #818cf8;
  --accent-hover: #6366f1;
  --accent-glow: rgba(129, 140, 248, 0.15);
  --badge-bg: #1e1e1e;
  --badge-text: #ccc;
  --overlay: rgba(255, 255, 255, 0.03);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.5);
  --shadow-card: 0 1px 3px rgba(0,0,0,0.2);
  --shadow-card-hover: 0 8px 24px rgba(0,0,0,0.4);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg-primary: #0a0a0a;
    --bg-secondary: #141414;
    --bg-card: #1a1a1a;
    --bg-card-hover: #222222;
    --text-primary: #ffffff;
    --text-secondary: #9ca2a6;
    --text-muted: #616161;
    --border-color: #2c2c2c;
    --border-subtle: rgba(44, 44, 44, 0.8);
    --accent: #818cf8;
    --accent-hover: #6366f1;
    --accent-glow: rgba(129, 140, 248, 0.15);
    --badge-bg: #1e1e1e;
    --badge-text: #ccc;
    --overlay: rgba(255, 255, 255, 0.03);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.5);
    --shadow-card: 0 1px 3px rgba(0,0,0,0.2);
    --shadow-card-hover: 0 8px 24px rgba(0,0,0,0.4);
  }
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  transition: background-color var(--transition-base), color var(--transition-base);
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.section {
  padding: var(--space-4xl) 0;
}

.section-small {
  padding: var(--space-3xl) 0;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  transition: background-color var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.nav.scrolled {
  box-shadow: var(--shadow-sm);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.nav-logo:hover {
  color: var(--text-primary);
  opacity: 0.8;
}

.nav-logo .logo-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
}

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

.nav-links a {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--text-secondary);
  padding: var(--space-sm) 0;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition-base);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}

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

/* Theme Toggle */
.theme-toggle {
  width: 40px;
  height: 40px;
  border: 1px solid var(--border-color);
  border-radius: 50%;
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  font-size: 18px;
}

.theme-toggle:hover {
  background: var(--bg-card);
  border-color: var(--text-muted);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
  display: none;
}

[data-theme="dark"] .theme-toggle .icon-sun {
  display: block;
}

[data-theme="dark"] .theme-toggle .icon-moon {
  display: none;
}

[data-theme="light"] .theme-toggle .icon-sun {
  display: none;
}

[data-theme="light"] .theme-toggle .icon-moon {
  display: block;
}

/* Fallback for system preference */
.theme-toggle .icon-moon {
  display: block;
}
.theme-toggle .icon-sun {
  display: none;
}

/* Hamburger Menu */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  background: transparent;
  cursor: pointer;
  padding: 0;
  transition: all var(--transition-fast);
}

.nav-hamburger:hover {
  background: var(--bg-card);
}

.nav-hamburger span {
  width: 18px;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition-fast);
  border-radius: 1px;
}

.nav-hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translateY(5px);
}

.nav-hamburger.active span:nth-child(2) {
  opacity: 0;
}

.nav-hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translateY(-5px);
}

/* Mobile Nav */
.nav-mobile {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-primary);
  z-index: 99;
  padding: var(--space-xl);
  flex-direction: column;
  gap: var(--space-lg);
  border-top: 1px solid var(--border-color);
}

.nav-mobile.active {
  display: flex;
}

.nav-mobile a {
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-primary);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--border-color);
  transition: color var(--transition-fast);
}

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

/* --- Hero Section --- */
.hero {
  min-height: calc(100vh - var(--nav-height));
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
}

.hero-content {
  max-width: 800px;
}

.hero-greeting {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.hero-greeting .wave {
  display: inline-block;
  animation: wave 2s infinite;
  transform-origin: 70% 70%;
  font-size: 24px;
}

@keyframes wave {
  0%, 100% { transform: rotate(0deg); }
  10% { transform: rotate(14deg); }
  20% { transform: rotate(-8deg); }
  30% { transform: rotate(14deg); }
  40% { transform: rotate(-4deg); }
  50% { transform: rotate(10deg); }
  60%, 100% { transform: rotate(0deg); }
}

.hero-title {
  font-size: clamp(48px, 8vw, 96px);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.04em;
  margin-bottom: var(--space-lg);
}

.hero-title .highlight {
  color: var(--accent);
}

.hero-description {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 520px;
  margin-bottom: var(--space-xl);
  line-height: 1.7;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  padding: 12px 24px;
  border-radius: var(--border-radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  transition: left 0.5s ease;
}

.btn:hover::before {
  left: 100%;
}

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

.btn-primary:hover {
  opacity: 0.85;
  color: var(--bg-primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
  background: var(--bg-card);
  border-color: var(--text-muted);
  color: var(--text-primary);
  transform: translateY(-1px);
}

.btn-accent {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn-accent:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px var(--accent-glow);
}

.btn-sm {
  font-size: 13px;
  padding: 8px 16px;
  border-radius: var(--border-radius-sm);
}

.btn .arrow {
  transition: transform var(--transition-fast);
  font-size: 14px;
}

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

/* --- Section Headers --- */
.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: var(--space-2xl);
  gap: var(--space-lg);
}

.section-title {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 900;
  letter-spacing: -0.04em;
}

.section-subtitle {
  font-size: 15px;
  color: var(--text-secondary);
  max-width: 480px;
  line-height: 1.6;
}

.section-label {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.section-label::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
}

/* --- Project / Product Cards --- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.card {
  background: var(--bg-card);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-slow);
  position: relative;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--border-color);
  background: var(--bg-card-hover);
}

.card-image {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.card:hover .card-image {
  transform: scale(1.03);
}

.card-image-wrapper {
  overflow: hidden;
  position: relative;
}

.card-image-wrapper::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(0,0,0,0.05) 100%);
  pointer-events: none;
}

.card-body {
  padding: var(--space-lg);
}

.card-tag {
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
}

.card-title {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-sm);
}

.card-description {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--border-subtle);
}

.card-price {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
}

.card-badge {
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  background: var(--badge-bg);
  color: var(--badge-text);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.card-badge.free {
  background: rgba(68, 201, 44, 0.1);
  color: var(--green);
}

.card-badge.new {
  background: rgba(79, 70, 229, 0.1);
  color: var(--accent);
}

/* --- About Section --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.about-image {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--border-radius-xl);
  border: 1px solid var(--border-subtle);
}

.about-text h3 {
  font-size: 28px;
  margin-bottom: var(--space-lg);
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  line-height: 1.7;
}

/* --- Services Section --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--border-radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-slow);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--border-color);
}

.service-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius);
  background: var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: var(--space-lg);
}

.service-title {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.service-price {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 900;
  color: var(--accent);
  margin-bottom: var(--space-md);
}

.service-description {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-lg);
  flex-grow: 1;
}

.service-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.service-features li {
  font-size: 13px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.service-features li::before {
  content: '✓';
  font-weight: 700;
  color: var(--green);
  font-size: 14px;
}

/* --- Testimonials --- */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--border-radius-lg);
  padding: var(--space-xl);
}

.testimonial-text {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
  font-style: italic;
}

.testimonial-text::before {
  content: '"';
  font-family: var(--font-heading);
  font-size: 48px;
  color: var(--accent);
  line-height: 0;
  display: block;
  margin-bottom: var(--space-md);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
}

.testimonial-name {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 700;
  text-transform: uppercase;
}

.testimonial-role {
  font-size: 13px;
  color: var(--text-muted);
}

/* --- Tech Stack --- */
.stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-md);
}

.stack-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
}

.stack-item:hover {
  border-color: var(--border-color);
  background: var(--bg-card-hover);
}

.stack-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.stack-name {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
}

.stack-role {
  font-size: 12px;
  color: var(--text-muted);
}

/* --- Contact / CTA Section --- */
.cta-section {
  text-align: center;
  padding: var(--space-5xl) 0;
}

.cta-title {
  font-size: clamp(36px, 6vw, 72px);
  font-weight: 900;
  letter-spacing: -0.04em;
  margin-bottom: var(--space-lg);
}

.cta-description {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 480px;
  margin: 0 auto var(--space-xl);
}

.cta-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* --- Footer --- */
.footer {
  border-top: 1px solid var(--border-color);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
}

.footer-brand {
  max-width: 300px;
}

.footer-brand-name {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.footer-column h4 {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-lg);
  color: var(--text-primary);
}

.footer-column a {
  display: block;
  font-size: 14px;
  color: var(--text-secondary);
  padding: var(--space-xs) 0;
}

.footer-column a:hover {
  color: var(--accent);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border-color);
}

.footer-copyright {
  font-size: 13px;
  color: var(--text-muted);
}

.footer-socials {
  display: flex;
  gap: var(--space-md);
}

.footer-socials a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.footer-socials a:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* --- Detail Page (Project / Product) --- */
.detail-hero {
  padding-top: calc(var(--nav-height) + var(--space-3xl));
  padding-bottom: var(--space-3xl);
}

.detail-back {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  transition: color var(--transition-fast);
}

.detail-back:hover {
  color: var(--accent);
}

.detail-back .arrow {
  transition: transform var(--transition-fast);
}

.detail-back:hover .arrow {
  transform: translateX(-3px);
}

.detail-title {
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 900;
  letter-spacing: -0.04em;
  margin-bottom: var(--space-md);
}

.detail-meta {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.detail-meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 14px;
  color: var(--text-secondary);
}

.detail-description {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 640px;
  line-height: 1.7;
  margin-bottom: var(--space-xl);
}

.detail-image {
  width: 100%;
  border-radius: var(--border-radius-xl);
  border: 1px solid var(--border-subtle);
  margin-bottom: var(--space-3xl);
}

.detail-content {
  max-width: 720px;
  margin: 0 auto;
}

.detail-content h2 {
  font-size: 28px;
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-lg);
}

.detail-content h3 {
  font-size: 22px;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
}

.detail-content p {
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  line-height: 1.7;
}

.detail-content ul {
  margin-bottom: var(--space-lg);
}

.detail-content ul li {
  color: var(--text-secondary);
  padding: var(--space-sm) 0;
  padding-left: var(--space-lg);
  position: relative;
}

.detail-content ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* App Marketing Page */
.app-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.app-icon {
  width: 80px;
  height: 80px;
  border-radius: var(--border-radius-lg);
  margin-bottom: var(--space-lg);
}

.app-badges {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.app-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 8px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

.app-screenshot {
  width: 100%;
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-lg);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.feature-card {
  text-align: center;
  padding: var(--space-xl);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-fast);
}

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

.feature-icon {
  font-size: 32px;
  margin-bottom: var(--space-md);
}

.feature-title {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.feature-text {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Legal Pages */
.legal-page {
  padding-top: calc(var(--nav-height) + var(--space-3xl));
  padding-bottom: var(--space-4xl);
}

.legal-page h1 {
  font-size: clamp(32px, 4vw, 48px);
  margin-bottom: var(--space-sm);
}

.legal-date {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: var(--space-3xl);
}

.legal-content {
  max-width: 720px;
}

.legal-content h2 {
  font-size: 24px;
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
}

.legal-content h3 {
  font-size: 18px;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
}

.legal-content p {
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

.legal-content ul {
  margin-bottom: var(--space-md);
  padding-left: var(--space-lg);
}

.legal-content ul li {
  color: var(--text-secondary);
  padding: var(--space-xs) 0;
  list-style: disc;
}

.legal-content a {
  color: var(--accent);
  text-decoration: underline;
}

/* --- Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }

/* --- Divider --- */
.divider {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: var(--space-3xl) 0;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }
  
  .about-grid {
    gap: var(--space-2xl);
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
  }

  .container {
    padding: 0 var(--space-md);
  }

  .nav-links {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }

  .hero-title {
    font-size: clamp(40px, 10vw, 72px);
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .about-image {
    max-height: 400px;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .testimonial-grid {
    grid-template-columns: 1fr;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }

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

  .features-grid {
    grid-template-columns: 1fr;
  }

  .detail-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }

  .cta-buttons {
    flex-direction: column;
  }

  .section {
    padding: var(--space-3xl) 0;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }

  .hero-title {
    font-size: clamp(36px, 12vw, 56px);
  }

  .stack-grid {
    grid-template-columns: 1fr;
  }
}

/* --- Utility --- */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }