/* ================================
   CSS Custom Properties
   ================================ */
:root {
  --color-bg: #0a0a0f;
  --color-bg-2: #111118;
  --color-surface: #16161f;
  --color-surface-2: #1e1e2a;
  --color-border: rgba(255, 255, 255, 0.07);
  --color-border-hover: rgba(255, 255, 255, 0.14);
  --color-text: #f0f0f5;
  --color-text-muted: rgba(240, 240, 245, 0.5);
  --color-text-subtle: rgba(240, 240, 245, 0.3);
  --color-primary: #7c6fff;
  --color-primary-light: #a89cff;
  --color-accent: #ff7eb3;
  --color-accent-2: #5eead4;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Sora', 'Inter', sans-serif;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --shadow-glow: 0 0 80px rgba(124, 111, 255, 0.15);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

/* ================================
   Layout
   ================================ */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ================================
   Header / Navigation
   ================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 0;
  transition: var(--transition);
}

.header.scrolled {
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  padding: 14px 0;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 1px;
  transition: opacity var(--transition);
}

.nav-logo:hover {
  opacity: 0.8;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition);
  letter-spacing: 0.01em;
}

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

/* ================================
   Hero
   ================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

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

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.35;
}

.hero-orb-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #7c6fff 0%, transparent 70%);
  top: -200px;
  left: -100px;
  animation: orbFloat 8s ease-in-out infinite;
}

.hero-orb-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #ff7eb3 0%, transparent 70%);
  bottom: -100px;
  right: -50px;
  animation: orbFloat 10s ease-in-out infinite reverse;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-top: 100px;
  padding-bottom: 80px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin-bottom: 24px;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s 0.2s forwards;
}

.gradient-text {
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-accent) 50%, var(--color-accent-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 480px;
  margin-bottom: 40px;
  line-height: 1.8;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s 0.35s forwards;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s 0.45s forwards;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 100px;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), #9b8fff);
  color: #fff;
  box-shadow: 0 4px 20px rgba(124, 111, 255, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(124, 111, 255, 0.5);
}

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

.btn-ghost:hover {
  color: var(--color-text);
  border-color: var(--color-border-hover);
  background: rgba(255, 255, 255, 0.04);
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0;
  animation: fadeIn 1s 1.2s forwards;
}

.scroll-indicator {
  width: 22px;
  height: 36px;
  border: 1.5px solid rgba(255, 255, 255, 0.2);
  border-radius: 100px;
  position: relative;
}

.scroll-indicator::after {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 8px;
  background: rgba(255, 255, 255, 0.4);
  border-radius: 2px;
  animation: scrollBounce 2s ease-in-out infinite;
}

/* ================================
   Sections
   ================================ */
.section {
  padding: 120px 0;
}

.section-dark {
  background: var(--color-bg-2);
  position: relative;
}

.section-dark::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-border);
}

.section-dark::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-border);
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary-light);
  margin-bottom: 20px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin-bottom: 60px;
}

/* ================================
   About
   ================================ */
.about-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.about-text p {
  color: var(--color-text-muted);
  margin-bottom: 16px;
  font-size: 1.05rem;
  line-height: 1.85;
}

.about-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.about-card {
  display: flex;
  gap: 20px;
  align-items: center;
  padding: 24px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

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

.about-card-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(124, 111, 255, 0.1);
  border-radius: 12px;
  color: var(--color-primary-light);
}

.about-card-icon svg {
  width: 22px;
  height: 22px;
}

.about-card h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}

.about-card p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ================================
   Apps
   ================================ */
.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.app-card {
  display: block;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  cursor: pointer;
}

.app-card:hover {
  border-color: rgba(124, 111, 255, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
}

.app-card-inner {
  padding: 28px;
  display: flex;
  gap: 20px;
  align-items: center;
}

.app-icon {
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  border-radius: 18px;
  object-fit: cover;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

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

.app-info h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 6px;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.app-info p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: 12px;
}

.app-store-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-subtle);
  background: var(--color-surface-2);
  padding: 4px 10px;
  border-radius: 100px;
  border: 1px solid var(--color-border);
}

.app-store-badge svg {
  width: 13px;
  height: 13px;
}

/* ================================
   Contact
   ================================ */
.contact-layout {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 560px;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px 28px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.contact-card:hover {
  border-color: rgba(124, 111, 255, 0.3);
  background: var(--color-surface-2);
  transform: translateX(4px);
}

.contact-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(124, 111, 255, 0.1);
  border-radius: 12px;
  color: var(--color-primary-light);
}

.contact-icon svg {
  width: 24px;
  height: 24px;
}

.contact-label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-subtle);
  margin-bottom: 4px;
}

.contact-value {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
}

.contact-arrow {
  margin-left: auto;
  font-size: 1.2rem;
  color: var(--color-text-subtle);
  transition: all var(--transition);
}

.contact-card:hover .contact-arrow {
  color: var(--color-primary-light);
  transform: translateX(4px);
}

/* ================================
   Animations
   ================================ */
@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  to {
    opacity: 0.6;
  }
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 15px) scale(0.97); }
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
  50% { transform: translateX(-50%) translateY(10px); opacity: 0.3; }
}

/* Scroll-triggered fade-in */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ================================
   Responsive
   ================================ */
@media (max-width: 768px) {
  .nav-links {
    gap: 20px;
  }

  .nav-links a {
    font-size: 0.85rem;
  }

  .hero-title {
    font-size: clamp(2.5rem, 11vw, 4rem);
  }

  .about-layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .section {
    padding: 80px 0;
  }
}

@media (max-width: 480px) {
  .nav-links {
    display: none;
  }

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

  .btn {
    width: 100%;
    justify-content: center;
  }
}

/* ================================
   Reduced Motion
   ================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html {
    scroll-behavior: auto;
  }
  .hero-orb-1,
  .hero-orb-2 {
    animation: none;
  }
}