@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;600;700&family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700&family=Sora:wght@400;500;600;700&display=swap');

:root {
  --primary-50: #eff6ff;
  --primary-100: #dbeafe;
  --primary-200: #bfdbfe;
  --primary-300: #93c5fd;
  --primary-400: #60a5fa;
  --primary-500: #3b82f6;
  --primary-600: #2563eb;
  --primary-700: #1d4ed8;
  --primary-800: #1e40af;
  --primary-900: #1e3a8a;
  
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  
  --white: #ffffff;
  --black: #000000;
  
  --glass-bg: rgba(255, 255, 255, 0.72);
  --glass-border: rgba(255, 255, 255, 0.5);
  --glass-shadow: 0 8px 32px rgba(31, 38, 135, 0.07);
  --glass-blur: blur(20px);
  
  --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #60a5fa 50%, #93c5fd 100%);
  --gradient-hero: linear-gradient(135deg, #dbeafe 0%, #eff6ff 50%, #f8fafc 100%);
  --gradient-text: linear-gradient(135deg, #1e40af 0%, #3b82f6 50%, #60a5fa 100%);
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 40px rgba(59, 130, 246, 0.15);
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --radius-full: 9999px;
  
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
  
  --cursor-glow: rgba(59, 130, 246, 0.15);
  
  --font-display: 'Sora', 'DM Sans', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-body: 'DM Sans', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  
  --container-max: 1200px;
  --container-padding: 32px;
  --section-gap: 160px;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(rgba(59, 130, 246, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 130, 246, 0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: -1;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  overflow-x: hidden;
  touch-action: pan-y;
}

body {
  font-family: var(--font-body);
  background: var(--gray-50);
  color: var(--gray-800);
  line-height: 1.6;
  overflow-x: hidden;
  touch-action: pan-y;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  background: var(--gradient-primary);
  z-index: 1001;
  width: 0%;
  transition: width 0.1s ease-out;
}

.cursor-glow {
  position: fixed;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--cursor-glow) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: -1;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s ease;
  opacity: 0;
}

body:hover .cursor-glow {
  opacity: 1;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 80% 10%, rgba(96, 165, 250, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse 40% 30% at 50% 90%, rgba(147, 197, 253, 0.04) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

.page-wrapper {
  opacity: 0;
  will-change: opacity, transform;
  animation: pageEnter 1s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@keyframes pageEnter {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--gray-900);
}

h1 {
  font-size: clamp(2.75rem, 6vw, 4.25rem);
  letter-spacing: -0.04em;
  line-height: 1.12;
}

h2 {
  font-size: clamp(2.125rem, 4.2vw, 3.125rem);
  letter-spacing: -0.03em;
  line-height: 1.2;
}

h3 {
  font-size: clamp(1.375rem, 2.8vw, 1.75rem);
  letter-spacing: -0.02em;
  line-height: 1.25;
}

p {
  color: var(--gray-600);
  font-size: 1.125rem;
  line-height: 1.72;
}

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

a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus {
  outline: none;
}

a,
button {
  -webkit-tap-highlight-color: transparent;
  tap-highlight-color: transparent;
}

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

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

.desktop-tip {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1001;
  height: 48px;
  background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-500) 100%);
  color: white;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.desktop-tip.dismissed {
  transform: translateY(-100%);
  pointer-events: none;
}

.desktop-tip-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 0 var(--container-padding);
  max-width: var(--container-max);
  margin: 0 auto;
  width: 100%;
}

.desktop-tip-text {
  font-size: 0.9375rem;
  font-weight: 500;
}

.desktop-tip-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: white;
  padding: 6px 14px;
  background: rgba(255,255,255,0.25);
  border-radius: var(--radius-full);
  transition: background var(--transition-fast);
}

.desktop-tip-link:hover {
  background: rgba(255,255,255,0.35);
}

.desktop-tip-close {
  position: absolute;
  right: var(--container-padding);
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  opacity: 0.85;
  font-size: 1.25rem;
  line-height: 1;
  transition: opacity var(--transition-fast);
}

.desktop-tip-close:hover {
  opacity: 1;
}

@media (min-width: 769px) {
  .mobile-menu,
  .mobile-menu-overlay {
    display: none !important;
  }
  .desktop-tip:not(.dismissed) {
    display: flex;
  }
  .desktop-tip:not(.dismissed) ~ .page-wrapper .nav {
    top: 48px;
  }
  .desktop-tip:not(.dismissed) ~ .page-wrapper .hero {
    top: 48px;
    height: calc(100vh - 48px);
    min-height: calc(100vh - 48px);
  }
}

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: all var(--transition-base);
}

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

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
}

.nav-logo-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md), var(--shadow-glow);
  transition: transform var(--transition-spring);
  overflow: hidden;
}

.nav-logo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.nav-logo:hover .nav-logo-icon {
  transform: scale(1.05) rotate(-3deg);
}

.nav-logo-icon svg {
  width: 24px;
  height: 24px;
  color: white;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-link {
  padding: 10px 20px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--gray-600);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 6px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--primary-500);
  border-radius: var(--radius-full);
  transform: translateX(-50%);
  transition: width var(--transition-fast);
}

.nav-link:hover {
  color: var(--gray-900);
}

.nav-link:hover::after {
  width: calc(100% - 40px);
}

.nav-link.active {
  color: var(--primary-600);
  background: var(--primary-50);
}

.nav-link.active::after {
  width: calc(100% - 40px);
  background: var(--primary-500);
}

.nav-cta {
  margin-left: 8px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-md), 0 0 20px rgba(59, 130, 246, 0.3);
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover::before {
  opacity: 1;
}

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

.btn-secondary {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  color: var(--gray-700);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: white;
  border-color: var(--primary-200);
  color: var(--primary-600);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn svg {
  width: 18px;
  height: 18px;
  transition: transform var(--transition-spring);
}

.btn:hover svg {
  transform: translateX(2px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  margin-right: -8px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gray-700);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  transform-origin: center;
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  max-width: 320px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-left: 1px solid var(--glass-border);
  box-shadow: var(--shadow-2xl);
  transform: translateX(100%);
  transition: transform var(--transition-slow), visibility var(--transition-slow);
  z-index: 999;
  padding: 80px 24px 24px;
  visibility: hidden;
  pointer-events: none;
  touch-action: none;
}

.mobile-menu.active {
  transform: translateX(0);
  visibility: visible;
  pointer-events: auto;
  touch-action: auto;
}

.mobile-menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.1);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  z-index: 998;
  pointer-events: none;
}

.mobile-menu-overlay.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--gray-700);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  background: white;
  color: var(--primary-600);
}

.mobile-nav-link svg {
  width: 20px;
  height: 20px;
  opacity: 0.6;
}

.mobile-menu-cta {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--gray-200);
}

.mobile-menu-cta .btn {
  width: auto;
}

.hero {
  min-height: 100vh;
  height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 100px;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1;
  overflow: hidden;
}

.hero-spacer {
  height: 100vh;
  width: 100%;
  pointer-events: none;
}

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

.hero-bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: orbFloat 20s ease-in-out infinite;
}

.hero-bg-orb-1 {
  width: 600px;
  height: 600px;
  background: rgba(59, 130, 246, 0.1);
  top: -200px;
  right: -100px;
  animation-delay: 0s;
}

.hero-bg-orb-2 {
  width: 400px;
  height: 400px;
  background: rgba(147, 197, 253, 0.15);
  bottom: -100px;
  left: -100px;
  animation-delay: -7s;
}

.hero-bg-orb-3 {
  width: 300px;
  height: 300px;
  background: rgba(96, 165, 250, 0.1);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -14s;
}

@keyframes orbFloat {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  25% {
    transform: translate(30px, -30px) scale(1.05);
  }
  50% {
    transform: translate(-20px, 20px) scale(0.95);
  }
  75% {
    transform: translate(-30px, -20px) scale(1.02);
  }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 640px;
  text-align: left;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--primary-600);
  margin-bottom: 32px;
  box-shadow: var(--shadow-sm);
  opacity: 0;
  transform: translateY(18px);
  animation: slideUp 0.7s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-delay: 0.12s;
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  background: var(--primary-500);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(1.2);
  }
}

.hero-title {
  margin-bottom: 28px;
  line-height: 1.14;
  opacity: 0;
  transform: translateY(24px);
  background: linear-gradient(90deg, #1e40af 0%, #2563eb 28%, #3b82f6 38%, rgba(255,255,255,0.98) 50%, #3b82f6 62%, #2563eb 72%, #1e40af 100%);
  background-size: 280% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: slideUp 0.85s cubic-bezier(0.22, 1, 0.36, 1) forwards, heroTitleShine 2.5s ease-in-out 1.1s infinite;
  animation-delay: 0.22s, 1.1s;
  animation-fill-mode: forwards, none;
}

.hero-title-gradient {
  letter-spacing: -0.02em;
}

@keyframes heroTitleShine {
  0% { background-position: 100% 0; }
  32% { background-position: 0% 0; }
  100% { background-position: 0% 0; }
}

.hero-desc {
  font-size: 1.1875rem;
  color: var(--gray-600);
  line-height: 1.78;
  margin-bottom: 44px;
  max-width: 520px;
  opacity: 0;
  transform: translateY(24px);
  animation: slideUp 0.85s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-delay: 0.34s;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: flex-start;
  opacity: 0;
  transform: translateY(24px);
  animation: slideUp 0.85s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-delay: 0.46s;
}

@keyframes slideUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-visual {
  position: absolute;
  right: -2%;
  top: 50%;
  transform: translateY(-50%);
  width: 52%;
  max-width: 620px;
  opacity: 0;
  animation: heroVisualEnter 1.1s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-delay: 0.52s;
}

@keyframes heroVisualEnter {
  from {
    opacity: 0;
    transform: translateY(-50%) translateX(36px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(-50%) translateX(0) scale(1);
  }
}

.hero-mockup {
  position: relative;
}

.hero-mockup-main {
  width: 100%;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl), var(--shadow-glow);
  overflow: hidden;
}

.hero-mockup-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.5);
  border-bottom: 1px solid var(--glass-border);
}

.hero-mockup-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.hero-mockup-dot:nth-child(1) { background: #ef4444; }
.hero-mockup-dot:nth-child(2) { background: #eab308; }
.hero-mockup-dot:nth-child(3) { background: #22c55e; }

.hero-mockup-content {
  padding: 24px;
  min-height: 300px;
}

.hero-mockup-line {
  height: 12px;
  background: var(--gray-100);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
}

.hero-mockup-line:nth-child(1) { width: 60%; }
.hero-mockup-line:nth-child(2) { width: 80%; }
.hero-mockup-line:nth-child(3) { width: 45%; }
.hero-mockup-line:nth-child(4) { width: 70%; }

.hero-mockup-float {
  position: absolute;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 16px 20px;
  box-shadow: var(--shadow-lg);
  animation: float 6s ease-in-out infinite;
}

.hero-mockup-float-1 {
  top: 20%;
  left: -15%;
  animation-delay: 0s;
}

.hero-mockup-float-2 {
  bottom: 15%;
  right: -10%;
  animation-delay: -2s;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-15px);
  }
}

.section {
  padding: var(--section-gap) 0;
  position: relative;
  z-index: 2;
  background: var(--gray-50);
  border-radius: 24px 24px 0 0;
  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.08);
  padding-top: calc(var(--section-gap) + 24px);
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 72px;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--primary-50);
  color: var(--primary-600);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
  text-transform: uppercase;
}

.section-title {
  margin-bottom: 20px;
  letter-spacing: -0.03em;
}

.section-desc {
  color: var(--gray-500);
  font-size: 1.125rem;
  line-height: 1.72;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.feature-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.3), transparent, rgba(147, 197, 253, 0.3));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.feature-card:hover::before,
.feature-card:hover::after {
  opacity: 1;
}

.feature-icon {
  width: 52px;
  height: 52px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  box-shadow: var(--shadow-md), 0 0 20px rgba(59, 130, 246, 0.2);
  position: relative;
  z-index: 1;
}

.feature-icon svg {
  width: 26px;
  height: 26px;
  color: white;
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
  position: relative;
  z-index: 1;
}

.feature-desc {
  font-size: 1rem;
  color: var(--gray-500);
  line-height: 1.68;
  position: relative;
  z-index: 1;
}

.footer {
  background: var(--gray-900);
  color: var(--gray-400);
  padding: 64px 0 32px;
  margin-top: auto;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 48px;
  margin-bottom: 48px;
}

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

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: white;
  margin-bottom: 16px;
}

.footer-logo-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.footer-logo-icon svg {
  width: 20px;
  height: 20px;
  color: white;
}

.footer-desc {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--gray-500);
}

.footer-links {
  display: flex;
  gap: 80px;
}

.footer-links-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: white;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 20px;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-link {
  font-size: 0.9375rem;
  color: var(--gray-500);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: white;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding-top: 32px;
  border-top: 1px solid var(--gray-800);
}

.footer-copyright {
  font-size: 0.875rem;
  color: var(--gray-600);
}

.footer-socials {
  display: flex;
  gap: 12px;
}

.footer-social {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gray-800);
  border-radius: var(--radius-md);
  color: var(--gray-500);
  transition: all var(--transition-fast);
}

.footer-social:hover {
  background: var(--primary-600);
  color: white;
  transform: translateY(-2px);
}

.footer-social svg {
  width: 20px;
  height: 20px;
}

.scroll-reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

@media (max-width: 1024px) {
  .hero-visual {
    display: none;
  }
  
  .hero-content {
    max-width: 100%;
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --container-padding: 20px;
    --section-gap: 60px;
  }
  
  .nav-links,
  .nav-cta {
    display: none;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  
  .footer-inner {
    flex-direction: column;
    gap: 24px;
    text-align: center;
  }
  
  .footer-brand {
    max-width: 100%;
  }
  
  .footer-links {
    display: none;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 12px;
  }
  
  .footer-socials {
    justify-content: center;
  }
  
  .hero-visual {
    display: none;
  }
  
  .hero {
    min-height: 100vh;
    min-height: 100dvh;
    padding: 80px var(--container-padding) 56px;
    align-items: center;
  }
  
  .hero-content,
  .download-content,
  .about-content {
    max-width: 100%;
  }
  
  .hero-content {
    text-align: left;
  }
  
  .download-content,
  .about-content {
    text-align: center;
  }
  
  .hero-desc {
    margin-left: 0;
    margin-right: 0;
  }
  
  .download-desc,
  .about-desc {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-actions {
    justify-content: flex-start;
  }
  
  .download-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .download-content {
    max-width: 100%;
    text-align: center;
    margin: 0 auto;
  }
  
  .download-visual {
    display: none;
  }
  
  .download-platforms {
    max-width: 100%;
  }
  
  .download-platform {
    width: 100%;
    justify-content: flex-start;
  }
  
  .download-note {
    max-width: 100%;
    text-align: left;
  }
  
  .about-list {
    max-width: 100%;
    text-align: left;
  }
  
  .section-header {
    margin-bottom: 48px;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .about-grid.reverse {
    direction: ltr;
  }
  
  .about-visual {
    order: -1;
    display: block;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .contact-content {
    max-width: 100%;
    text-align: center;
  }
  
  .contact-methods {
    max-width: 100%;
  }
  
  .contact-form {
    padding: 24px;
  }
  
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  :root {
    --container-padding: 16px;
    --section-gap: 48px;
  }
  
  h1 {
    font-size: 1.75rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  h3 {
    font-size: 1.25rem;
  }
  
  .hero {
    min-height: 100vh;
    min-height: 100dvh;
    padding: 72px var(--container-padding) 48px;
    align-items: center;
  }
  
  .hero-badge {
    font-size: 0.75rem;
    padding: 6px 12px;
  }
  
  .hero-title {
    margin-bottom: 16px;
  }
  
  .hero-desc {
    font-size: 1rem;
    margin-bottom: 24px;
  }
  
  .hero-actions {
    flex-direction: row;
    gap: 10px;
  }
  
  .hero-actions .btn {
    padding: 12px 20px;
    font-size: 0.875rem;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .feature-card {
    padding: 20px 16px;
  }
  
  .feature-icon {
    width: 44px;
    height: 44px;
    margin-bottom: 12px;
  }
  
  .feature-icon svg {
    width: 22px;
    height: 22px;
  }
  
  .feature-title {
    font-size: 1rem;
    margin-bottom: 8px;
  }
  
  .feature-desc {
    font-size: 0.8125rem;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  
  .section-header {
    margin-bottom: 32px;
  }
  
  .section-label {
    font-size: 0.75rem;
    padding: 5px 10px;
  }
  
  .download-section {
    padding-top: 100px;
    min-height: auto;
  }
  
  .download-platform {
    padding: 16px;
    gap: 12px;
    transform: none !important;
  }
  
  .download-platform:hover {
    transform: none !important;
  }
  
  .download-platform-icon {
    width: 40px;
    height: 40px;
  }
  
  .download-platform-icon svg {
    width: 22px;
    height: 22px;
  }
  
  .download-platform-name {
    font-size: 0.9375rem;
  }
  
  .download-platform-size {
    font-size: 0.75rem;
  }
  
  .download-note {
    padding: 12px;
    font-size: 0.8125rem;
  }
  
  .about-hero {
    padding: 120px 0 48px;
  }
  
  .about-hero-desc {
    font-size: 1rem;
  }
  
  .about-section {
    padding: 48px 0;
  }
  
  .about-card {
    padding: 24px;
  }
  
  .about-stat-value {
    font-size: 1.75rem;
  }
  
  .team-section {
    padding: 48px 0;
  }
  
  .team-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  
  .team-card {
    padding: 20px 12px;
  }
  
  .team-avatar {
    width: 56px;
    height: 56px;
    font-size: 1.25rem;
    margin-bottom: 12px;
  }
  
  .team-name {
    font-size: 0.9375rem;
  }
  
  .team-role {
    font-size: 0.75rem;
  }
  
  .contact-section {
    padding: 48px 0;
  }
  
  .contact-form {
    padding: 20px;
  }
  
  .contact-form-title {
    font-size: 1.125rem;
    margin-bottom: 16px;
  }
  
  .form-group {
    margin-bottom: 16px;
  }
  
  .form-label {
    font-size: 0.8125rem;
    margin-bottom: 6px;
  }
  
  .form-input {
    padding: 12px 14px;
    font-size: 0.9375rem;
  }
  
  .footer {
    padding: 40px 0 24px;
  }
  
  .footer-logo {
    font-size: 1.125rem;
    margin-bottom: 12px;
  }
  
  .footer-logo-icon {
    width: 32px;
    height: 32px;
  }
  
  .footer-desc {
    font-size: 0.8125rem;
  }
  
  .footer-copyright {
    font-size: 0.75rem;
  }
  
  .footer-social {
    width: 36px;
    height: 36px;
  }
  
  .nav-logo {
    font-size: 1.25rem;
  }
  
  .nav-logo-icon {
    width: 32px;
    height: 32px;
  }
  
  .nav-logo-icon svg {
    width: 18px;
    height: 18px;
  }
}

.page-transition {
  position: fixed;
  inset: 0;
  background: var(--gray-50);
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.page-transition.active {
  opacity: 1;
  pointer-events: auto;
}

.download-section {
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  padding-top: 120px;
}

.download-content {
  max-width: 100%;
  margin: 0 auto;
  text-align: center;
}

.download-title {
  margin-bottom: 16px;
}

.download-desc {
  margin-bottom: 32px;
}

.download-platforms {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
  width: 100%;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.download-platform {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
  cursor: pointer;
  width: 100%;
  justify-content: flex-start;
}

.download-platform:hover {
  transform: translateX(8px);
  border-color: var(--primary-200);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

.download-platform.coming-soon {
  opacity: 0.6;
  cursor: default;
}

.download-platform.coming-soon:hover {
  transform: none;
  border-color: var(--glass-border);
  box-shadow: none;
}

.download-platform-icon {
  width: 48px;
  height: 48px;
  background: var(--gray-100);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.download-platform-icon svg {
  width: 28px;
  height: 28px;
  color: var(--gray-700);
}

.download-platform-info {
  flex: 1;
}

.download-platform-name {
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 2px;
}

.download-platform-size {
  font-size: 0.875rem;
  color: var(--gray-500);
}

.download-platform-arrow {
  width: 24px;
  height: 24px;
  color: var(--gray-400);
  transition: all var(--transition-fast);
}

.download-platform:hover .download-platform-arrow {
  color: var(--primary-500);
  transform: translateX(4px);
}

.download-note {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  background: var(--primary-50);
  border-radius: var(--radius-lg);
  font-size: 0.875rem;
  color: var(--gray-600);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  text-align: left;
}

.download-note svg {
  width: 20px;
  height: 20px;
  color: var(--primary-500);
  flex-shrink: 0;
  margin-top: 2px;
}

.download-visual {
  position: relative;
}

.download-mockup {
  position: relative;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl);
  padding: 40px;
  box-shadow: var(--shadow-2xl), var(--shadow-glow);
}

.download-mockup-screen {
  background: var(--gray-900);
  border-radius: var(--radius-xl);
  padding: 24px;
  min-height: 400px;
}

.download-mockup-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--gray-800);
}

.download-mockup-logo {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.download-mockup-logo svg {
  width: 24px;
  height: 24px;
  color: white;
}

.download-mockup-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: white;
}

.download-mockup-content {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.download-mockup-input {
  background: var(--gray-800);
  border-radius: var(--radius-lg);
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.download-mockup-input svg {
  width: 20px;
  height: 20px;
  color: var(--gray-500);
}

.download-mockup-input span {
  color: var(--gray-500);
  font-size: 0.9375rem;
}

.download-mockup-response {
  background: var(--gray-800);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.download-mockup-response p {
  color: var(--gray-300);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.download-mockup-response p span {
  color: var(--primary-400);
}

.about-hero {
  padding: 160px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

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

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

.about-hero-bg-orb-1 {
  width: 500px;
  height: 500px;
  background: rgba(59, 130, 246, 0.1);
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
}

.about-hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
}

.about-hero-title {
  margin-bottom: 24px;
}

.about-hero-desc {
  font-size: 1.25rem;
  color: var(--gray-500);
  max-width: 600px;
  margin: 0 auto;
}

.about-section {
  padding: 80px 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-grid.reverse {
  direction: rtl;
}

.about-grid.reverse > * {
  direction: ltr;
}

.about-content {
  max-width: 500px;
}

.about-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--primary-50);
  color: var(--primary-600);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.about-title {
  margin-bottom: 16px;
}

.about-desc {
  margin-bottom: 24px;
}

.about-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.about-list-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
  color: var(--gray-600);
}

.about-list-item svg {
  width: 20px;
  height: 20px;
  color: var(--primary-500);
  flex-shrink: 0;
}

.about-visual {
  position: relative;
}

.about-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl);
  padding: 40px;
  box-shadow: var(--shadow-xl);
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  text-align: center;
}

.about-stat {
  text-align: center;
}

.about-stat-value {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 4px;
}

.about-stat-label {
  font-size: 0.875rem;
  color: var(--gray-500);
}

.team-section {
  padding: 80px 0;
  background: var(--gray-100);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.team-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--transition-base);
}

.team-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.team-avatar {
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: white;
}

.team-name {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 4px;
}

.team-role {
  font-size: 0.875rem;
  color: var(--gray-500);
}

.contact-section {
  padding: 80px 0;
}

.contact-grid {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.contact-content {
  max-width: 400px;
}

.contact-title {
  margin-bottom: 16px;
}

.contact-desc {
  margin-bottom: 32px;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 16px;
}

.contact-method-icon {
  width: 48px;
  height: 48px;
  background: var(--primary-50);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-method-icon svg {
  width: 24px;
  height: 24px;
  color: var(--primary-600);
}

.contact-method-info {
  flex: 1;
}

.contact-method-label {
  font-size: 0.875rem;
  color: var(--gray-500);
  margin-bottom: 2px;
}

.contact-method-value {
  font-weight: 500;
  color: var(--gray-900);
}

.contact-form {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl);
  padding: 40px;
  box-shadow: var(--shadow-lg);
}

.contact-form-title {
  font-size: 1.25rem;
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: 8px;
}

.form-input {
  width: 100%;
  padding: 14px 16px;
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  font-size: 1rem;
  color: var(--gray-900);
  transition: all var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-400);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-input::placeholder {
  color: var(--gray-400);
}

textarea.form-input {
  min-height: 120px;
  resize: vertical;
}

@media (max-width: 640px) {
  .about-stats {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .team-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
}