/* ============================================================
   绘册门户网站 - 全局样式
   主色调: 青色渐变 #00D2B4 → #0093E9
   风格: 现代简约 + 暗色渐变背景 + 玻璃拟态
   ============================================================ */

/* ─── CSS 变量 ─── */
:root {
  --primary: #00C9B1;
  --primary-end: #0093E9;
  --accent: #00D2B4;
  --dark: #0A0E1A;
  --dark-2: #111827;
  --dark-3: #1A2235;
  --card-bg: rgba(255, 255, 255, 0.04);
  --card-border: rgba(255, 255, 255, 0.08);
  --text-primary: #F0F4FF;
  --text-secondary: rgba(240, 244, 255, 0.65);
  --text-muted: rgba(240, 244, 255, 0.38);
  --gradient-primary: linear-gradient(135deg, #00D2B4, #0093E9);
  --gradient-dark: linear-gradient(135deg, #0A0E1A 0%, #111827 50%, #0f1c2e 100%);
  --shadow-glow: 0 0 40px rgba(0, 201, 177, 0.25);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --nav-h: 68px;
  --font-sans: 'Noto Sans SC', 'Inter', -apple-system, sans-serif;
}

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

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

body {
  font-family: var(--font-sans);
  background: var(--dark);
  color: var(--text-primary);
  overflow-x: hidden;
  line-height: 1.6;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ─── 通用工具 ─── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  border-radius: 50px;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-gradient {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 8px 24px rgba(0, 201, 177, 0.4);
}
.btn-gradient:hover {
  box-shadow: 0 12px 32px rgba(0, 201, 177, 0.55);
}
.btn-glass {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(12px);
}
.btn-glass:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(0, 201, 177, 0.4);
}
.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
}
.btn-lg { padding: 16px 32px; font-size: 16px; }
.btn-sm { padding: 10px 22px; font-size: 14px; }

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 201, 177, 0.12);
  color: var(--accent);
  border: 1px solid rgba(0, 201, 177, 0.25);
  border-radius: 50px;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
}
.section-tag-light {
  background: rgba(255,255,255,0.1);
  color: #fff;
  border-color: rgba(255,255,255,0.2);
}
.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}
.section-desc {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ─── NAV ─── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: all 0.3s ease;
}
.nav.scrolled {
  background: rgba(10, 14, 26, 0.4);
  backdrop-filter: blur(20px);
  /*border-bottom: 1px solid rgba(255,255,255,0.07);*/
  box-shadow: 0 4px 24px rgba(0,0,0,0.3);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 40px;
  height: var(--nav-h);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.nav-logo-img {
  width: 36px; height: 36px;
  border-radius: 10px;
}
.nav-logo-text {
  font-size: 20px;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
}
.nav-links a {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all 0.2s;
}
.nav-links a:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.07);
}
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  margin-left: auto;
}
.nav-hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s;
}
.nav-mobile {
  display: none;
  flex-direction: column;
  background: rgba(10,14,26,0.98);
  padding: 16px 24px;
  gap: 4px;
  border-top: 1px solid rgba(255,255,255,0.07);
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  padding: 12px 0;
  color: var(--text-secondary);
  font-size: 15px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.nav-mobile a:last-child { border-bottom: none; }

/* ─── HERO ─── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-h) + 60px) 0 100px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: var(--gradient-dark);
}
.hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
  animation: blobFloat 8s ease-in-out infinite;
}
.blob-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, #00D2B4 0%, transparent 70%);
  top: -150px; left: -100px;
  animation-delay: 0s;
}
.blob-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #0093E9 0%, transparent 70%);
  bottom: -100px; right: -100px;
  animation-delay: -3s;
}
.blob-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, #A18CD1 0%, transparent 70%);
  top: 40%; left: 40%;
  opacity: 0.2;
  animation-delay: -5s;
}
@keyframes blobFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.97); }
}
.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;
}
.hero-inner {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 880px;
  flex: 1;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,201,177,0.1);
  border: 1px solid rgba(0,201,177,0.3);
  border-radius: 50px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 28px;
}
.badge-dot {
  width: 7px; height: 7px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}
.hero-title {
  font-size: clamp(40px, 5.5vw, 72px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
}
.hero-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 40px;
}
.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
}
.stat { text-align: left; }
.stat-num {
  display: block;
  font-size: 26px;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}
.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
}
.stat-divider {
  width: 1px; height: 40px;
  background: rgba(255,255,255,0.12);
}

/* Hero Visual - Phone Mockups */
.hero-visual {
  position: relative;
  z-index: 2;
  /* flex: 1; */
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 600px;
}
.phone-mockup-group {
  position: relative;
  width: 300px;
  height: 560px;
}
.phone-mockup {
  position: absolute;
  border-radius: 40px;
  overflow: hidden;
  box-shadow: var(--shadow-card), var(--shadow-glow);
  border: 2px solid rgba(255,255,255,0.1);
}
.phone-front {
  width: 240px;
  height: 490px;
  bottom: 0; right: 0;
  z-index: 2;
  animation: phoneFloat1 6s ease-in-out infinite;
}
.phone-back {
  width: 210px;
  height: 440px;
  top: 0; left: 0;
  z-index: 1;
  opacity: 0.75;
  animation: phoneFloat2 6s ease-in-out infinite;
  animation-delay: -3s;
}
.phone-screen {
  width: 100%; height: 100%;
  overflow: hidden;
}
.phone-screen img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: top;
}
@keyframes phoneFloat1 {
  0%, 100% { transform: translateY(0px) rotate(-2deg); }
  50% { transform: translateY(-14px) rotate(-1deg); }
}
@keyframes phoneFloat2 {
  0%, 100% { transform: translateY(0px) rotate(3deg); }
  50% { transform: translateY(-10px) rotate(4deg); }
}

/* Hero Scroll */
.hero-scroll {
  position: absolute;
  bottom: 36px; left: 50%;
  transform: translateX(-50%);
  z-index: 3;
}
.scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 12px;
}
.scroll-arrow {
  width: 20px; height: 20px;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
  transform: rotate(45deg);
  animation: scrollBounce 2s ease-in-out infinite;
}
@keyframes scrollBounce {
  0%, 100% { transform: rotate(45deg) translateY(0); }
  50% { transform: rotate(45deg) translateY(5px); }
}

/* ─── FEATURES ─── */
.features {
  padding: 120px 0;
  background: var(--dark-2);
  position: relative;
}
.features::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,201,177,0.3), transparent);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 20px;
}
.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,201,177,0.05) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
}
.feature-card:hover::before { opacity: 1; }
.feature-card:hover {
  border-color: rgba(0, 201, 177, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3), 0 0 20px rgba(0,201,177,0.1);
}
.feature-card-large {
  grid-column: span 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
}
.feature-card-image {
  grid-column: 2;
  grid-row: 1 / 5;
  border-radius: 16px;
  overflow: hidden;
  height: 280px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}
.feature-card-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: top;
}
.feature-icon-wrap {
  width: 56px; height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  flex-shrink: 0;
}
.feature-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}
.feature-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}
.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.feature-tags span {
  background: rgba(0,201,177,0.1);
  color: var(--accent);
  border: 1px solid rgba(0,201,177,0.2);
  border-radius: 50px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 500;
}

/* ─── SHOWCASE ─── */
.showcase {
  padding: 120px 0;
  background: var(--dark);
  position: relative;
}
.showcase-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 60px;
}
.tab-btn {
  padding: 10px 24px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  transition: all 0.3s;
}
.tab-btn.active, .tab-btn:hover {
  background: var(--gradient-primary);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 16px rgba(0,201,177,0.3);
}
.showcase-display {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  max-width: 960px;
  margin: 0 auto;
}
.showcase-phone {
  display: flex;
  justify-content: center;
}
.showcase-phone-frame {
  width: 260px;
  height: 520px;
  border-radius: 44px;
  overflow: hidden;
  border: 2px solid rgba(255,255,255,0.12);
  box-shadow: var(--shadow-card), var(--shadow-glow);
  position: relative;
}
.showcase-screen {
  width: 100%; height: 100%;
  overflow: hidden;
}
.showcase-screen img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: top;
  transition: opacity 0.4s ease;
}
.showcase-slide {
  display: none;
}
.showcase-slide.active {
  display: block;
  animation: fadeSlide 0.4s ease;
}
@keyframes fadeSlide {
  from { opacity: 0; transform: translateX(12px); }
  to { opacity: 1; transform: translateX(0); }
}
.showcase-slide h3 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 16px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.showcase-slide p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 24px;
}
.showcase-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.showcase-list li {
  font-size: 14px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: rgba(255,255,255,0.04);
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.06);
}

/* ─── HOW IT WORKS ─── */
.how {
  padding: 120px 0;
  background: var(--dark-2);
  position: relative;
}
.steps {
  display: flex;
  align-items: center;
  gap: 24px;
  justify-content: center;
   flex-wrap: wrap;
}
.step {
  flex: 1;
  min-width: 200px;
  max-width: 280px;
  text-align: center;
}
.step-number {
  font-size: 56px;
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.25;
  line-height: 1;
  margin-bottom: 16px;
}
.step-content { }
.step-icon {
  width: 72px; height: 72px;
  border-radius: 20px;
  background: rgba(0,201,177,0.1);
  border: 1px solid rgba(0,201,177,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  color: var(--accent);
}
.step-content h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}
.step-content p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}
.step-arrow {
  color: rgba(0,201,177,0.4);
  flex-shrink: 0;
}

/* ─── DOWNLOAD ─── */
.download {
  padding: 120px 0;
  background: var(--dark);
  position: relative;
  overflow: hidden;
}
.download-bg {
  position: absolute;
  inset: 0;
}
.download-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.2;
}
.blob-d1 {
  width: 700px; height: 700px;
  background: radial-gradient(circle, #00D2B4, transparent 70%);
  top: -200px; right: -200px;
}
.blob-d2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #0093E9, transparent 70%);
  bottom: -100px; left: -100px;
}
.download-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.download-title {
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -1px;
}
.download-desc {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 460px;
}

/* Platform Badges */
.platform-badges {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 32px;
}
.platform-badge {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.platform-badge::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity 0.3s;
}
.platform-badge:hover {
  border-color: rgba(0,201,177,0.4);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3), 0 0 12px rgba(0,201,177,0.15);
}
.platform-badge:hover::before { opacity: 0.08; }
.platform-badge-icon {
  position: relative;
  z-index: 1;
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,201,177,0.1);
  border-radius: 10px;
  color: var(--accent);
  flex-shrink: 0;
}
.platform-badge-text {
  position: relative;
  z-index: 1;
}
.badge-sub {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1;
  margin-bottom: 3px;
}
.badge-main {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
}
.download-note {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
}
.download-note svg { color: var(--accent); flex-shrink: 0; }

/* Download Visual */
.download-visual {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}
.download-phones {
  display: flex;
  gap: 20px;
  justify-content: center;
}
.dl-phone {
  border-radius: 36px;
  overflow: hidden;
  border: 2px solid rgba(255,255,255,0.1);
  box-shadow: var(--shadow-card);
}
.dl-phone-left {
  width: 160px; height: 320px;
  transform: rotate(-5deg);
  margin-top: 24px;
}
.dl-phone-right {
  width: 160px; height: 320px;
  transform: rotate(4deg);
}
.dl-phone-screen {
  width: 100%; height: 100%;
  overflow: hidden;
}
.dl-phone-screen img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: top;
}

/* QR Area */
.qr-area {
  display: flex;
  justify-content: center;
}
.qr-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 20px 28px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
}
.qr-placeholder {
  width: 100px; height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.qr-label {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
}

/* ─── TESTIMONIALS ─── */
.testimonials {
  padding: 120px 0;
  background: var(--dark-2);
}
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all 0.3s;
}
.testimonial-card:hover {
  border-color: rgba(0,201,177,0.25);
  transform: translateY(-4px);
}
.testimonial-featured {
  border-color: rgba(0,201,177,0.3);
  background: linear-gradient(135deg, rgba(0,201,177,0.07) 0%, rgba(0,147,233,0.07) 100%);
  box-shadow: 0 0 30px rgba(0,201,177,0.1);
}
.testimonial-stars {
  font-size: 16px;
  color: #FFD700;
  margin-bottom: 16px;
  letter-spacing: 2px;
}
.testimonial-text {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 24px;
  font-style: italic;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.author-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.author-name {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 4px;
}
.author-sub {
  font-size: 12px;
  color: var(--text-muted);
}

/* ─── FOOTER ─── */
.footer {
  background: #060912;
  padding: 80px 0 40px;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
}
.footer-logo img { border-radius: 8px; }
.footer-tagline {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 24px;
  line-height: 1.6;
}
.footer-social {
  display: flex;
  gap: 12px;
}
.social-link {
  padding: 8px 16px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px;
  font-size: 13px;
  color: var(--text-muted);
  transition: all 0.2s;
}
.social-link:hover {
  background: rgba(0,201,177,0.1);
  border-color: rgba(0,201,177,0.3);
  color: var(--accent);
}
.footer-links-group h4 {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
}
.footer-links-group a {
  display: block;
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 12px;
  transition: color 0.2s;
}
.footer-links-group a:hover { color: var(--accent); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.06);
  font-size: 13px;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 12px;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
  .hero {
    flex-direction: column;
    padding-bottom: 80px;
  }
  .hero-inner {
    flex-direction: column;
    text-align: center;
    gap: 60px;
    flex: 1;
  }
  .hero-content { max-width: 100%; }
  .hero-cta, .hero-stats { justify-content: center; }
  .hero-stats { flex-wrap: wrap; gap: 20px; }
  .features-grid {
    grid-template-columns: 1fr 1fr;
  }
  .feature-card-large {
    grid-column: span 2;
    grid-template-columns: 1fr;
  }
  .feature-card-image { grid-row: auto; grid-column: auto; }
  .showcase-display {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .download-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .download-desc { margin: 0 auto 40px; }
  .testimonials-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
  .footer-brand { grid-column: span 2; }
}

@media (max-width: 768px) {
  .hero-title { font-size: 38px; }
  .nav-links, .nav > .btn { display: none; }
  .nav .btn-sm { display: none; }
  .nav-hamburger { display: flex; }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .feature-card-large { grid-column: span 1; }
  .steps { flex-direction: column; }
  .step-arrow { transform: rotate(90deg); }
  .platform-badges { grid-template-columns: 1fr; }
  .download-phones { gap: 12px; }
  .dl-phone-left, .dl-phone-right { width: 130px; height: 260px; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-brand { grid-column: span 1; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .showcase-display { gap: 32px; }
  .hero-visual { min-height: 380px; }
  .phone-mockup-group { width: 240px; height: 440px; }
  .phone-front { width: 200px; height: 400px; }
  .phone-back { width: 175px; height: 360px; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 30px; letter-spacing: -0.5px; }
  .hero-cta { flex-direction: column; align-items: center; }
  .btn-lg { width: 100%; max-width: 300px; justify-content: center; }
  .section-title { font-size: 26px; }
}