/* ============================================
   iSculptors — Main Stylesheet
   Premium Mobile App Developer Portfolio
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: var(--leading-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition: background-color var(--duration-slow) var(--ease-out),
              color var(--duration-slow) var(--ease-out);
}

a {
  color: inherit;
  text-decoration: none;
}

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

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

input, textarea, select {
  font: inherit;
  color: inherit;
}

ul, ol { list-style: none; }

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

.container-narrow {
  max-width: var(--container-narrow);
}

.container-wide {
  max-width: var(--container-wide);
}

.section {
  padding-block: var(--section-y);
  position: relative;
}

.section-alt {
  background: var(--color-bg-alt);
}

/* ── Section Header ── */
.section-header {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: var(--space-16);
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-4);
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.section-header h2 {
  font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
  font-weight: 800;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-4);
}

.section-header p {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* ── Gradient Text ── */
.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================
   Navbar
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  z-index: var(--z-fixed);
  transition: all var(--duration-normal) var(--ease-out);
}

.navbar.scrolled {
  background: var(--color-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-glass-border);
  box-shadow: var(--shadow-sm);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-logo {
  font-size: var(--text-xl);
  font-weight: 800;
  letter-spacing: var(--tracking-tight);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nav-logo-icon {
  width: 32px;
  height: 32px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
  font-size: var(--text-sm);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-link {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: var(--radius-lg);
  transition: all var(--duration-fast) var(--ease-out);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-text);
  background: var(--color-surface-hover);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.theme-toggle {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--duration-fast) var(--ease-out);
  color: var(--color-text-secondary);
}

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

.theme-toggle svg {
  width: 18px;
  height: 18px;
}

.nav-mobile-toggle {
  display: none;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-lg);
  align-items: center;
  justify-content: center;
  transition: all var(--duration-fast);
}

.nav-mobile-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--duration-normal) var(--ease-out);
  position: relative;
}

.nav-mobile-toggle span::before,
.nav-mobile-toggle span::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background: inherit;
  border-radius: inherit;
  transition: inherit;
}

.nav-mobile-toggle span::before { transform: translateY(-6px); }
.nav-mobile-toggle span::after  { transform: translateY(6px); }

.nav-mobile-toggle.active span {
  background: transparent;
}
.nav-mobile-toggle.active span::before {
  transform: rotate(45deg);
}
.nav-mobile-toggle.active span::after {
  transform: rotate(-45deg);
}

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--navbar-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  flex-direction: column;
  padding: var(--space-6);
  z-index: var(--z-fixed);
  gap: var(--space-2);
}

.mobile-nav.active {
  display: flex;
  animation: fadeIn 0.3s var(--ease-out);
}

.mobile-nav a {
  padding: var(--space-4);
  font-size: var(--text-lg);
  font-weight: 500;
  border-radius: var(--radius-lg);
  transition: background var(--duration-fast);
}

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

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-xl);
  transition: all var(--duration-normal) var(--ease-out);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.45);
}

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

.btn-secondary:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.btn-ghost {
  color: var(--color-text-secondary);
}

.btn-ghost:hover {
  color: var(--color-text);
  background: var(--color-surface-hover);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
  border-radius: var(--radius-2xl);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-lg);
}

.btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* ============================================
   Cards
   ============================================ */
.card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-out);
}

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

.card-body {
  padding: var(--space-6);
}

.card-glass {
  background: var(--color-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--color-glass-border);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--navbar-height) + 2rem);
  padding-bottom: var(--space-16);
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-bg-shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
}

.hero-bg-shape-1 {
  width: 600px;
  height: 600px;
  background: var(--color-primary);
  top: -200px;
  right: -200px;
  opacity: 0.12;
  animation: floatSlow 15s ease-in-out infinite;
}

.hero-bg-shape-2 {
  width: 400px;
  height: 400px;
  background: var(--color-accent);
  bottom: -100px;
  left: -100px;
  opacity: 0.1;
  animation: floatSlow 12s ease-in-out 3s infinite;
}

.hero-bg-shape-3 {
  width: 300px;
  height: 300px;
  background: #ec4899;
  top: 50%;
  left: 50%;
  opacity: 0.08;
  animation: morphBlob 20s ease-in-out infinite;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
}

.hero-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

.hero h1 {
  font-size: clamp(var(--text-4xl), 6vw, var(--text-7xl));
  font-weight: 900;
  line-height: var(--leading-tight);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-6);
}

.hero-subtitle {
  font-size: var(--text-xl);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
  max-width: 520px;
}

.hero-buttons {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: center;
}

/* ============================================
   Stats Section
   ============================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.stat-card {
  text-align: center;
  padding: var(--space-8);
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-2xl);
  transition: all var(--duration-normal) var(--ease-out);
}

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

.stat-number {
  font-size: var(--text-4xl);
  font-weight: 800;
  letter-spacing: var(--tracking-tight);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  font-weight: 500;
}

/* ============================================
   Featured Apps
   ============================================ */
.apps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.app-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-out);
  cursor: pointer;
}

.app-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary);
}

.app-card-header {
  padding: var(--space-6);
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.app-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-xl);
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: var(--shadow-md);
}

.app-icon-placeholder {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-xl);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: var(--text-xl);
  flex-shrink: 0;
}

.app-card-info h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-1);
  line-height: var(--leading-snug);
}

.app-card-info p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.app-card-meta {
  padding: 0 var(--space-6) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.app-platform-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
}

.app-rating {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-warning);
}

.app-card-actions {
  padding: 0 var(--space-6) var(--space-6);
  display: flex;
  gap: var(--space-3);
}

.store-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-text);
  color: var(--color-text-inverse);
  border-radius: var(--radius-lg);
  font-size: var(--text-xs);
  font-weight: 600;
  transition: all var(--duration-fast);
}

.store-btn:hover {
  opacity: 0.9;
  transform: scale(1.02);
}

.store-btn svg {
  width: 16px;
  height: 16px;
}

/* ============================================
   Services Section
   ============================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.service-card {
  padding: var(--space-8);
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-2xl);
  transition: all var(--duration-normal) var(--ease-out);
  text-align: center;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary);
}

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-xl);
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
  transition: all var(--duration-normal);
}

.service-card:hover .service-icon {
  background: var(--gradient-primary);
  transform: scale(1.1);
}

.service-icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
  transition: color var(--duration-normal);
}

.service-card:hover .service-icon svg {
  color: white;
}

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

.service-card p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

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

.tech-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-xl);
  transition: all var(--duration-normal) var(--ease-out);
  font-weight: 500;
}

.tech-item:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.tech-item-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ============================================
   Process Section
   ============================================ */
.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  counter-reset: process;
}

.process-card {
  padding: var(--space-8);
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-2xl);
  position: relative;
  transition: all var(--duration-normal) var(--ease-out);
  counter-increment: process;
}

.process-card::before {
  content: counter(process, decimal-leading-zero);
  font-size: var(--text-5xl);
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.3;
  line-height: 1;
  margin-bottom: var(--space-4);
  display: block;
}

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

.process-card h3 {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.process-card p {
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* ============================================
   FAQ Section
   ============================================ */
.faq-list {
  max-width: var(--container-narrow);
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq-item {
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--duration-normal);
}

.faq-item.active {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  font-size: var(--text-lg);
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: color var(--duration-fast);
  background: var(--color-card-bg);
}

.faq-question:hover {
  color: var(--color-primary);
}

.faq-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform var(--duration-normal) var(--ease-out);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-slow) var(--ease-out);
}

.faq-answer-inner {
  padding: 0 var(--space-6) var(--space-6);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* ============================================
   Newsletter / CTA
   ============================================ */
.cta-section {
  background: var(--gradient-primary);
  border-radius: var(--radius-3xl);
  padding: var(--space-16) var(--space-8);
  text-align: center;
  color: white;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.1) 0%, transparent 50%);
}

.cta-section h2 {
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
  font-weight: 800;
  margin-bottom: var(--space-4);
  position: relative;
}

.cta-section p {
  font-size: var(--text-lg);
  opacity: 0.9;
  margin-bottom: var(--space-8);
  max-width: 500px;
  margin-inline: auto;
  position: relative;
}

.newsletter-form {
  display: flex;
  max-width: 440px;
  margin-inline: auto;
  gap: var(--space-3);
  position: relative;
}

.newsletter-form input {
  flex: 1;
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.15);
  color: white;
  font-size: var(--text-sm);
  outline: none;
  transition: all var(--duration-fast);
}

.newsletter-form input::placeholder {
  color: rgba(255,255,255,0.6);
}

.newsletter-form input:focus {
  background: rgba(255,255,255,0.25);
  border-color: rgba(255,255,255,0.4);
}

.newsletter-form button {
  padding: var(--space-4) var(--space-6);
  background: white;
  color: var(--color-primary);
  border-radius: var(--radius-xl);
  font-weight: 700;
  font-size: var(--text-sm);
  white-space: nowrap;
  transition: all var(--duration-fast);
}

.newsletter-form button:hover {
  transform: scale(1.05);
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-16) var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer-brand p {
  color: var(--color-text-secondary);
  margin-top: var(--space-4);
  line-height: var(--leading-relaxed);
  max-width: 280px;
}

.footer-heading {
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-4);
  color: var(--color-text-tertiary);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-links a {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  transition: color var(--duration-fast);
}

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

.footer-social {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  transition: all var(--duration-fast);
}

.footer-social a:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
  transform: translateY(-2px);
}

.footer-social svg {
  width: 16px;
  height: 16px;
}

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
}

/* ============================================
   Phone Mockup
   ============================================ */
.mockup-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  perspective: 1200px;
}

.phone-mockup {
  position: relative;
  width: 280px;
  background: #1a1a2e;
  border-radius: 40px;
  padding: 12px;
  box-shadow:
    0 25px 60px -10px rgba(0, 0, 0, 0.35),
    0 15px 30px -10px rgba(0, 0, 0, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  animation: float 6s ease-in-out infinite, phoneGlow 4s ease-in-out infinite;
}

.phone-mockup.iphone {
  animation-delay: 1s;
}

.phone-notch {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 28px;
  background: #1a1a2e;
  border-radius: 0 0 16px 16px;
  z-index: 5;
}

.phone-notch.dynamic-island {
  width: 100px;
  height: 30px;
  border-radius: 20px;
  top: 18px;
}

.phone-screen {
  width: 100%;
  aspect-ratio: 9/19.5;
  border-radius: 30px;
  overflow: hidden;
  position: relative;
  background: #000;
}

.phone-screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease-in-out;
}

.phone-screen img.active {
  opacity: 1;
}

/* Glass reflection */
.phone-mockup::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.12) 0%,
    transparent 40%,
    transparent 60%,
    rgba(255, 255, 255, 0.04) 100%
  );
  pointer-events: none;
  z-index: 10;
}

/* ============================================
   App Details Page
   ============================================ */
.app-detail-hero {
  padding-top: calc(var(--navbar-height) + 3rem);
  padding-bottom: var(--space-16);
  position: relative;
}

.app-detail-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.app-detail-info h1 {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  font-weight: 800;
  line-height: var(--leading-tight);
  margin-bottom: var(--space-4);
}

.app-detail-description {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

.app-detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

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

.app-meta-label {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
}

.app-meta-value {
  font-size: var(--text-base);
  font-weight: 600;
}

.app-download-buttons {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* Features list */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.feature-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-xl);
  font-weight: 500;
}

.feature-check {
  width: 20px;
  height: 20px;
  border-radius: var(--radius-full);
  background: var(--color-success);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.feature-check svg {
  width: 12px;
  height: 12px;
}

/* Screenshot Gallery */
.screenshot-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: var(--space-4);
}

.screenshot-thumb {
  aspect-ratio: 9/16;
  border-radius: var(--radius-xl);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out);
  border: 2px solid transparent;
}

.screenshot-thumb:hover {
  transform: scale(1.03);
  border-color: var(--color-primary);
}

.screenshot-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Fullscreen Gallery */
.fullscreen-gallery {
  position: fixed;
  inset: 0;
  background: var(--color-overlay);
  backdrop-filter: blur(20px);
  z-index: var(--z-modal);
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-8);
}

.fullscreen-gallery.active {
  display: flex;
  animation: fadeIn 0.3s var(--ease-out);
}

.fullscreen-gallery img {
  max-width: 90vw;
  max-height: 85vh;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
}

.fullscreen-close {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--duration-fast);
}

.fullscreen-close:hover {
  background: rgba(255,255,255,0.2);
  transform: scale(1.1);
}

/* ============================================
   Apps Page — Search & Filter
   ============================================ */
.apps-toolbar {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
}

.search-input-wrapper {
  position: relative;
  flex: 1;
  min-width: 240px;
}

.search-input-wrapper svg {
  position: absolute;
  left: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--color-text-tertiary);
}

.search-input {
  width: 100%;
  padding: var(--space-3) var(--space-4) var(--space-3) var(--space-10);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  font-size: var(--text-sm);
  outline: none;
  transition: all var(--duration-fast);
}

.search-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.filter-select {
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  font-size: var(--text-sm);
  outline: none;
  cursor: pointer;
  min-width: 140px;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7089' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: var(--space-10);
  transition: all var(--duration-fast);
}

.filter-select:focus {
  border-color: var(--color-primary);
}

.filter-tabs {
  display: flex;
  gap: var(--space-1);
  padding: var(--space-1);
  background: var(--color-bg-alt);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
}

.filter-tab {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-lg);
  color: var(--color-text-secondary);
  transition: all var(--duration-fast);
  cursor: pointer;
  border: none;
  background: none;
}

.filter-tab.active {
  background: var(--color-surface);
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
}

/* Empty / Error States */
.empty-state {
  text-align: center;
  padding: var(--space-16);
}

.empty-state svg {
  width: 64px;
  height: 64px;
  color: var(--color-text-tertiary);
  margin-inline: auto;
  margin-bottom: var(--space-4);
}

.empty-state h3 {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.empty-state p {
  color: var(--color-text-secondary);
}

.error-state {
  text-align: center;
  padding: var(--space-16);
  color: var(--color-error);
}

/* Loading */
.loading-spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: var(--space-8) auto;
}

/* ============================================
   About Page
   ============================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.about-image {
  border-radius: var(--radius-3xl);
  overflow: hidden;
  box-shadow: var(--shadow-2xl);
}

.about-image img {
  width: 100%;
  height: auto;
}

.about-content h2 {
  font-size: var(--text-4xl);
  font-weight: 800;
  line-height: var(--leading-tight);
  margin-bottom: var(--space-6);
}

.about-content p {
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: var(--space-8);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gradient-primary);
  border-radius: 1px;
}

.timeline-item {
  position: relative;
  padding-bottom: var(--space-8);
  padding-left: var(--space-6);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-8) - 5px);
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 3px solid var(--color-bg);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.timeline-year {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.timeline-item h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.timeline-item p {
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* ============================================
   Contact Page
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--text-sm);
  font-weight: 600;
}

.form-input,
.form-textarea {
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  font-size: var(--text-sm);
  outline: none;
  transition: all var(--duration-fast);
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.contact-info-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-xl);
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-info-icon svg {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
}

.contact-info-item h4 {
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.contact-info-item p {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}

/* Map */
.contact-map {
  margin-top: var(--space-12);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
  height: 300px;
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* ============================================
   Page Header (for inner pages)
   ============================================ */
.page-header {
  padding-top: calc(var(--navbar-height) + 3rem);
  padding-bottom: var(--space-12);
  text-align: center;
  background: var(--gradient-subtle);
  position: relative;
}

.page-header h1 {
  font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
  font-weight: 800;
  line-height: var(--leading-tight);
  margin-bottom: var(--space-4);
}

.page-header p {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 560px;
  margin-inline: auto;
}

/* Breadcrumbs */
.breadcrumbs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
}

.breadcrumbs a:hover {
  color: var(--color-primary);
}

.breadcrumbs span {
  color: var(--color-text);
  font-weight: 500;
}

/* ============================================
   Legal Pages
   ============================================ */
.legal-content {
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-block: var(--space-12);
}

.legal-content h2 {
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
}

.legal-content h3 {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

.legal-content p {
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.legal-content ul {
  list-style: disc;
  padding-left: var(--space-6);
  margin-bottom: var(--space-4);
}

.legal-content li {
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-2);
}

/* ============================================
   404 Page
   ============================================ */
.page-404 {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-8);
}

.page-404 h1 {
  font-size: clamp(6rem, 15vw, 12rem);
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--space-4);
}

.page-404 h2 {
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.page-404 p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-8);
  font-size: var(--text-lg);
}

/* ============================================
   Utilities
   ============================================ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.text-center { text-align: center; }
.text-left   { text-align: left; }
.text-right  { text-align: right; }

.mx-auto { margin-inline: auto; }
.mt-8  { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }
.mb-8  { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); }

.hidden { display: none; }

/* Share buttons */
.share-buttons {
  display: flex;
  gap: var(--space-3);
}

.share-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  transition: all var(--duration-fast);
}

.share-btn:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
  transform: translateY(-2px);
}

/* Back to top */
.back-to-top {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: all var(--duration-normal) var(--ease-out);
  z-index: var(--z-sticky);
  cursor: pointer;
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
}