@charset "UTF-8";

:root {
  --clr-primary: #8B5CF6;
  --clr-primary-light: #A78BFA;
  --clr-primary-dark: #7C3AED;
  --clr-secondary: #EC4899;
  --clr-secondary-light: #F472B6;
  --clr-accent: #06B6D4;
  --clr-accent-light: #22D3EE;
  --clr-amber: #F59E0B;
  --clr-emerald: #10B981;
  --clr-indigo: #6366F1;
  --clr-bg: #FAF8FF;
  --clr-bg-card: #FFFFFF;
  --clr-bg-dark: #1E1B2E;
  --clr-bg-section: #F5F0FF;
  --clr-text: #1E1B2E;
  --clr-text-secondary: #6B7280;
  --clr-text-light: #9CA3AF;
  --clr-text-white: #FFFFFF;
  --grad-main: linear-gradient(135deg, #8B5CF6 0%, #EC4899 50%, #6366F1 100%);
  --grad-accent: linear-gradient(135deg, #06B6D4 0%, #8B5CF6 50%, #EC4899 100%);
  --grad-card-1: linear-gradient(135deg, rgba(139,92,246,0.08) 0%, rgba(236,72,153,0.08) 100%);
  --grad-card-2: linear-gradient(135deg, rgba(99,102,241,0.08) 0%, rgba(6,182,212,0.08) 100%);
  --shadow-sm: 0 2px 8px rgba(139,92,246,0.08);
  --shadow-md: 0 8px 32px rgba(139,92,246,0.12);
  --shadow-lg: 0 16px 48px rgba(139,92,246,0.16);
  --shadow-glow: 0 0 40px rgba(236,72,153,0.2);
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --max-width: 1200px;
  --nav-height: 72px;
  --font-main: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-main);
  color: var(--clr-text);
  background: var(--clr-bg);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  text-decoration: none;
  color: inherit;
}

a:active, a:focus {
  -webkit-tap-highlight-color: transparent;
  background-color: transparent !important;
  outline: none;
}

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

ul {
  list-style: none;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-block;
  padding: 6px 20px;
  background: var(--grad-card-1);
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
  color: var(--clr-primary);
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.section-title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
  line-height: 1.3;
}

.section-desc {
  font-size: 16px;
  color: var(--clr-text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(139, 92, 246, 0.08);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.nav.scrolled {
  box-shadow: var(--shadow-sm);
  background: rgba(255, 255, 255, 0.95);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 800;
  color: var(--clr-text);
  transition: var(--transition);
}

.nav-logo:hover {
  transform: scale(1.03);
}

.nav-logo img {
  display: block;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  object-fit: contain;
}

.nav-logo span {
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-menu li a {
  display: block;
  padding: 8px 20px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 500;
  color: var(--clr-text-secondary);
  transition: var(--transition);
  position: relative;
}

.nav-menu li a:hover,
.nav-menu li a.active {
  color: var(--clr-primary);
  background: var(--grad-card-1);
}

.nav-cta {
  margin-left: 12px;
}

.nav-cta a,
.nav-cta-mobile {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 24px;
  background: var(--grad-main);
  color: #fff;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
}

.nav-cta a:hover,
.nav-cta-mobile:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.nav-cta a i,
.nav-cta-mobile i {
  display: inline-block;
  width: 18px;
  height: 18px;
}

.nav-cta a i::before,
.nav-cta-mobile i::before {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  background: url('../icons/download.svg') center/contain no-repeat;
}

.nav-cta-mobile {
  display: none;
}

.nav-toggle {
  display: none;
  width: 32px;
  height: 32px;
  cursor: pointer;
  background: none;
  border: none;
}

.nav-toggle i {
  display: block;
  width: 24px;
  height: 24px;
  color: var(--clr-text);
}

.nav-toggle i::before {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  background: url('../icons/menu.svg') center/contain no-repeat;
}

.nav-toggle.active i::before {
  background: url('../icons/close.svg') center/contain no-repeat;
}

.hero {
  padding: calc(var(--nav-height) + 60px) 0 80px;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(139,92,246,0.1) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 80%, rgba(236,72,153,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 20% 80%, rgba(99,102,241,0.06) 0%, transparent 60%);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(139,92,246,0.06) 1px, transparent 1px),
    radial-gradient(circle at 80% 70%, rgba(236,72,153,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(255,255,255,0.9);
  border: 1px solid rgba(139,92,246,0.15);
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
  color: var(--clr-primary);
  margin-bottom: 28px;
  box-shadow: var(--shadow-sm);
}

.hero-badge i {
  display: inline-block;
  width: 18px;
  height: 18px;
}

.hero-badge i::before {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  background: url('../icons/sparkle.svg') center/contain no-repeat;
}

.hero-title {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 18px;
  font-weight: 800;
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 24px;
  line-height: 1.3;
  white-space: nowrap;
}

.hero-desc {
  font-size: 15px;
  color: var(--clr-text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
  max-width: 520px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 36px;
}

.hero-tags span {
  padding: 8px 16px;
  background: var(--grad-card-1);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  color: var(--clr-primary-dark);
  transition: var(--transition);
}

.hero-tags span:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.hero-tags span i {
  display: inline-block;
  width: 14px;
  height: 14px;
  vertical-align: -2px;
  margin-right: 4px;
}

.hero-tags span i::before {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  background: url('../icons/star.svg') center/contain no-repeat;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 36px;
  background: var(--grad-main);
  color: #fff;
  border-radius: 100px;
  font-size: 16px;
  font-weight: 700;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.btn-primary i {
  display: inline-block;
  width: 20px;
  height: 20px;
}

.btn-primary i::before {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  background: url('../icons/download.svg') center/contain no-repeat;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 36px;
  background: rgba(255,255,255,0.8);
  color: var(--clr-primary);
  border-radius: 100px;
  font-size: 16px;
  font-weight: 700;
  transition: var(--transition);
  border: 2px solid rgba(139,92,246,0.2);
  cursor: pointer;
}

.btn-outline:hover {
  border-color: var(--clr-primary);
  background: var(--clr-bg-section);
  transform: translateY(-3px);
}

.btn-outline i {
  display: inline-block;
  width: 20px;
  height: 20px;
}

.btn-outline i::before {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  background: url('../icons/chevron-right.svg') center/contain no-repeat;
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-card-stack {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  max-width: 460px;
}

.hero-main-card {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  background: var(--clr-bg-card);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  z-index: 3;
}

.hero-main-card .card-header {
  height: 55%;
  background: linear-gradient(135deg, #E0D5FF 0%, #FCE7F3 50%, #C7D2FE 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.hero-main-card .card-header i {
  display: block;
  width: 80px;
  height: 80px;
}

.hero-main-card .card-header i::before {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  background: url('../icons/logo-icon.svg') center/contain no-repeat;
}

.hero-main-card .card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.hero-main-card .card-name {
  font-size: 18px;
  font-weight: 700;
}

.hero-main-card .card-name i {
  display: inline-block;
  width: 20px;
  height: 20px;
  vertical-align: -3px;
  margin-right: 4px;
}

.hero-main-card .card-name i::before {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  background: url('../icons/sparkle.svg') center/contain no-repeat;
}

.hero-main-card .card-trait {
  font-size: 13px;
  color: var(--clr-text-secondary);
  line-height: 1.5;
}

.hero-main-card .card-tag-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 4px;
}

.hero-main-card .card-tag {
  padding: 4px 12px;
  background: var(--grad-card-1);
  border-radius: 100px;
  font-size: 11px;
  font-weight: 600;
  color: var(--clr-primary);
}

.hero-float-card {
  position: absolute;
  border-radius: var(--radius-md);
  background: var(--clr-bg-card);
  box-shadow: var(--shadow-md);
  padding: 16px;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 12px;
  animation: float 3s ease-in-out infinite;
}

.hero-float-card.top-right {
  top: 5%;
  right: -10%;
  animation-delay: 0s;
}

.hero-float-card.bottom-left {
  bottom: 15%;
  left: -8%;
  animation-delay: 1.5s;
}

.hero-float-card .fc-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.hero-float-card .fc-icon i {
  display: block;
  width: 22px;
  height: 22px;
}

.hero-float-card .fc-icon.purple {
  background: rgba(139,92,246,0.12);
}

.hero-float-card .fc-icon.purple i::before {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  background: url('../icons/feature-customize.svg') center/contain no-repeat;
}

.hero-float-card .fc-icon.pink {
  background: rgba(236,72,153,0.12);
}

.hero-float-card .fc-icon.pink i::before {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  background: url('../icons/feature-ai-generate.svg') center/contain no-repeat;
}

.hero-float-card .fc-text strong {
  font-size: 14px;
  display: block;
}

.hero-float-card .fc-text span {
  font-size: 12px;
  color: var(--clr-text-secondary);
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.hero-bubble {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  opacity: 0.5;
  animation: bubbleFloat 8s ease-in-out infinite;
}

.hero-bubble:nth-child(1) {
  width: 120px;
  height: 120px;
  background: var(--grad-card-1);
  top: 10%;
  right: 15%;
  animation-delay: 0s;
}

.hero-bubble:nth-child(2) {
  width: 80px;
  height: 80px;
  background: var(--grad-card-2);
  bottom: 20%;
  right: 25%;
  animation-delay: 2s;
}

.hero-bubble:nth-child(3) {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, rgba(245,158,11,0.1) 0%, rgba(236,72,153,0.1) 100%);
  top: 40%;
  left: 5%;
  animation-delay: 4s;
}

@keyframes bubbleFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(10px, -15px) scale(1.05); }
  50% { transform: translate(-5px, -25px) scale(0.95); }
  75% { transform: translate(-10px, -10px) scale(1.02); }
}

.features {
  background: var(--clr-bg-card);
  position: relative;
}

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

.feature-card {
  background: var(--clr-bg);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid transparent;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  border-radius: 3px 3px 0 0;
  opacity: 0;
  transition: var(--transition);
}

.feature-card:nth-child(1)::before { background: var(--clr-primary); }
.feature-card:nth-child(2)::before { background: var(--clr-secondary); }
.feature-card:nth-child(3)::before { background: var(--clr-indigo); }
.feature-card:nth-child(4)::before { background: var(--clr-amber); }
.feature-card:nth-child(5)::before { background: var(--clr-accent); }

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(139,92,246,0.12);
}

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

.feature-card .fc-icon-wrap {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.feature-card .fc-icon-wrap i {
  display: block;
  width: 32px;
  height: 32px;
}

.feature-card:nth-child(1) .fc-icon-wrap { background: rgba(139,92,246,0.1); }
.feature-card:nth-child(2) .fc-icon-wrap { background: rgba(236,72,153,0.1); }
.feature-card:nth-child(3) .fc-icon-wrap { background: rgba(99,102,241,0.1); }
.feature-card:nth-child(4) .fc-icon-wrap { background: rgba(245,158,11,0.1); }
.feature-card:nth-child(5) .fc-icon-wrap { background: rgba(6,182,212,0.1); }

.feature-card:nth-child(1) .fc-icon-wrap i::before {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  background: url('../icons/feature-customize.svg') center/contain no-repeat;
}
.feature-card:nth-child(2) .fc-icon-wrap i::before {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  background: url('../icons/feature-ai-generate.svg') center/contain no-repeat;
}
.feature-card:nth-child(3) .fc-icon-wrap i::before {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  background: url('../icons/feature-art-styles.svg') center/contain no-repeat;
}
.feature-card:nth-child(4) .fc-icon-wrap i::before {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  background: url('../icons/feature-edit.svg') center/contain no-repeat;
}
.feature-card:nth-child(5) .fc-icon-wrap i::before {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  background: url('../icons/feature-chat.svg') center/contain no-repeat;
}

.feature-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 14px;
  color: var(--clr-text-secondary);
  line-height: 1.7;
}

.feature-card .fc-meta {
  display: flex;
  gap: 8px;
  margin-top: 20px;
}

.feature-card .fc-meta span {
  padding: 4px 12px;
  background: var(--grad-card-1);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  color: var(--clr-primary-dark);
}

.features-grid .feature-card.featured {
  grid-column: span 2;
  background: linear-gradient(135deg, rgba(139,92,246,0.04) 0%, rgba(236,72,153,0.04) 100%);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.features-grid .feature-card.featured .fc-visual {
  aspect-ratio: 1;
  background: linear-gradient(135deg, rgba(139,92,246,0.08) 0%, rgba(236,72,153,0.06) 50%, rgba(99,102,241,0.08) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.features-grid .feature-card.featured .fc-visual i {
  display: block;
  width: 72px;
  height: 72px;
}

.features-grid .feature-card.featured .fc-visual i::before {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  background: url('../icons/feature-ai-generate.svg') center/contain no-repeat;
}

.showcase {
  background: var(--clr-bg);
}

.showcase-scroll-wrapper {
  position: relative;
}

.showcase-scroll {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: 8px 0 16px;
  -webkit-overflow-scrolling: touch;
}

.showcase-scroll::-webkit-scrollbar {
  height: 6px;
}

.showcase-scroll::-webkit-scrollbar-track {
  background: transparent;
  border-radius: 3px;
}

.showcase-scroll::-webkit-scrollbar-thumb {
  background: rgba(139,92,246,0.2);
  border-radius: 3px;
}

.showcase-scroll::-webkit-scrollbar-thumb:hover {
  background: rgba(139,92,246,0.4);
}

.showcase-scroll {
  scrollbar-width: thin;
  scrollbar-color: rgba(139,92,246,0.2) transparent;
}

.showcase-img-item {
  flex-shrink: 0;
  width: 340px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  scroll-snap-align: start;
  border: 1px solid rgba(139,92,246,0.06);
}

.showcase-img-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 2/3;
  display: block;
}

.tutorial {
  background: var(--clr-bg-card);
  position: relative;
  overflow: hidden;
}

.tutorial::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 90% 10%, rgba(139,92,246,0.05) 0%, transparent 40%),
    radial-gradient(circle at 10% 90%, rgba(236,72,153,0.04) 0%, transparent 40%);
  pointer-events: none;
}

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

.tutorial-steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 15%;
  right: 15%;
  height: 2px;
  background: linear-gradient(90deg, var(--clr-primary), var(--clr-secondary), var(--clr-indigo), var(--clr-emerald));
  opacity: 0.2;
  z-index: 0;
}

.step-card {
  text-align: center;
  position: relative;
  z-index: 1;
}

.step-card .step-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  border-radius: 50%;
  background: var(--clr-bg-card);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.step-card .step-icon i {
  display: block;
  width: 40px;
  height: 40px;
}

.step-card:nth-child(1) .step-icon i::before {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  background: url('../icons/step-1.svg') center/contain no-repeat;
}
.step-card:nth-child(2) .step-icon i::before {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  background: url('../icons/step-2.svg') center/contain no-repeat;
}
.step-card:nth-child(3) .step-icon i::before {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  background: url('../icons/step-3.svg') center/contain no-repeat;
}
.step-card:nth-child(4) .step-icon i::before {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  background: url('../icons/step-4.svg') center/contain no-repeat;
}

.step-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

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

.reviews {
  background: var(--clr-bg-section);
  position: relative;
  overflow: hidden;
}

.reviews::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(139,92,246,0.06) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(236,72,153,0.05) 0%, transparent 50%);
  pointer-events: none;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.review-card {
  background: var(--clr-bg-card);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: var(--transition);
  border: 1px solid rgba(139,92,246,0.06);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.review-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(139,92,246,0.15);
}

.review-stars {
  display: flex;
  gap: 4px;
}

.review-stars i {
  display: block;
  width: 20px;
  height: 20px;
}

.review-stars i::before {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  background: url('../icons/star-filled.svg') center/contain no-repeat;
}

.review-text {
  font-size: 15px;
  color: var(--clr-text-secondary);
  line-height: 1.8;
  font-style: italic;
  position: relative;
  padding-left: 20px;
  border-left: 3px solid rgba(139,92,246,0.15);
}

.review-author {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: auto;
}

.ra-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--grad-card-1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.ra-avatar i {
  display: block;
  width: 28px;
  height: 28px;
}

.ra-avatar i::before {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  background: url('../icons/avatar.svg') center/contain no-repeat;
}

.ra-info strong {
  display: block;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 2px;
}

.ra-info span {
  font-size: 12px;
  color: var(--clr-text-light);
}

.footer {
  background: var(--clr-bg-dark);
  color: var(--clr-text-white);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand p {
  color: rgba(255,255,255,0.6);
  font-size: 14px;
  line-height: 1.8;
  margin-top: 16px;
  max-width: 320px;
}

.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 800;
}

.footer-brand .footer-logo img {
  display: block;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  object-fit: contain;
}

.footer-brand .footer-logo span {
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
  color: #fff;
}

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col ul li a {
  color: rgba(255,255,255,0.55);
  font-size: 14px;
  transition: var(--transition);
}

.footer-col ul li a:hover {
  color: var(--clr-secondary-light);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p {
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}

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

.footer-bottom .footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.footer-bottom .footer-social a:hover {
  background: rgba(255,255,255,0.15);
  transform: translateY(-2px);
}

.footer-bottom .footer-social a i {
  display: block;
  width: 18px;
  height: 18px;
}

.footer-bottom .footer-social a i::before {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  background: url('../icons/star.svg') center/contain no-repeat;
}

.scroll-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--grad-main);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 999;
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top:hover {
  transform: translateY(-4px);
}

.scroll-top i {
  display: block;
  width: 22px;
  height: 22px;
  transform: rotate(180deg);
}

.scroll-top i::before {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  background: url('../icons/download.svg') center/contain no-repeat;
}

@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
  }
  .hero-desc {
    margin: 0 auto 20px;
  }
  .hero-tags {
    justify-content: center;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-visual {
    max-width: 400px;
    margin: 0 auto;
  }
  .hero-float-card.top-right {
    right: -5%;
  }
  .hero-float-card.bottom-left {
    left: -5%;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .features-grid .feature-card.featured {
    grid-column: span 2;
    grid-template-columns: 1fr 1fr;
  }
  .showcase-img-item {
    width: 280px;
  }
  .tutorial-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
  .tutorial-steps::before {
    display: none;
  }
  .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 64px 0;
  }
  .section-header {
    margin-bottom: 40px;
  }
  .nav {
    height: 60px;
    transition: none;
  }
  .nav-menu {
    display: flex;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255,255,255,0.98);
    flex-direction: column;
    align-items: stretch;
    padding: 32px 24px 48px;
    gap: 6px;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 9999;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    box-shadow: -8px 0 30px rgba(0,0,0,0.08);
  }
  .nav-menu.open {
    transform: translateX(0);
  }
  .nav-menu li a {
    padding: 14px 20px;
    font-size: 16px;
    text-align: center;
  }
  .nav-menu .nav-cta {
    display: none;
  }
  .nav-cta-mobile {
    display: inline-flex;
    padding: 8px 16px;
    font-size: 13px;
    margin-right: 6px;
    flex-shrink: 0;
  }
  .nav-toggle {
    display: block;
  }
  .hero {
    padding: calc(60px + 32px) 0 48px;
  }
  .hero-float-card {
    display: none;
  }
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  .hero-actions .btn-primary,
  .hero-actions .btn-outline {
    width: 100%;
    justify-content: center;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .features-grid .feature-card.featured {
    grid-column: span 1;
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .features-grid .feature-card.featured .fc-visual {
    aspect-ratio: 2/1;
  }
  .showcase-img-item {
    width: 220px;
  }
  .showcase-scroll { gap: 14px; }
  .tutorial-steps {
    grid-template-columns: 1fr;
  }
  .reviews-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
  .footer-col h4 {
    font-size: 15px;
    margin-bottom: 14px;
  }
  .footer-col ul li {
    margin-bottom: 8px;
  }
  .footer-col ul li a {
    font-size: 13px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .scroll-top {
    bottom: 20px;
    right: 20px;
    width: 42px;
    height: 42px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }
  .hero-title {
    font-size: 28px;
  }
  .hero-tags span {
    font-size: 12px;
    padding: 6px 12px;
  }
  .showcase-img-item {
    width: 180px;
  }
  .feature-card {
    padding: 28px 24px;
  }
  .step-card .step-icon {
    width: 64px;
    height: 64px;
  }
  .review-card {
    padding: 24px 20px;
  }
}

.download {
  background: var(--clr-bg-card);
  position: relative;
  overflow: hidden;
}

.download::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 20% 80%, rgba(139,92,246,0.06) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(6,182,212,0.05) 0%, transparent 50%);
  pointer-events: none;
}

.download-box {
  max-width: 600px;
  margin: 0 auto;
  padding: 40px;
  background: var(--clr-bg);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(139,92,246,0.1);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 1;
}

.download-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  margin-bottom: 32px;
  width: 100%;
}

.download-text {
  text-align: center;
}

.download-icon {
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  border-radius: var(--radius-md);
  background: var(--grad-main);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow);
}

.download-icon i::before {
  content: '';
  display: block;
  width: 32px;
  height: 32px;
  background: url('../icons/download.svg') center/contain no-repeat;
  filter: brightness(0) invert(1);
}

.download-text h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--clr-text);
  margin-bottom: 6px;
}

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

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 40px;
  background: var(--grad-main);
  color: var(--clr-text-white);
  font-size: 16px;
  font-weight: 600;
  border-radius: 50px;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(139,92,246,0.35);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.download-btn i {
  display: block;
  width: 20px;
  height: 20px;
}

.download-btn i::before {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  background: url('../icons/download-btn.svg') center/contain no-repeat;
  filter: brightness(0) invert(1);
}

.download-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(139,92,246,0.5);
}

@media (max-width: 768px) {
  .download-box {
    padding: 28px 20px;
    margin: 0 16px;
  }

  .download-info {
    gap: 16px;
  }

  .download-icon {
    width: 60px;
    height: 60px;
  }

  .download-icon i::before {
    width: 26px;
    height: 26px;
  }

  .download-text h3 {
    font-size: 18px;
  }

  .download-btn {
    padding: 12px 32px;
    font-size: 15px;
  }
}