/* ========================
   Design System
   ======================== */
:root {
  --primary: #FF6B35;
  --primary-light: #FFF4EE;
  --primary-glow: rgba(255, 107, 53, 0.15);
  --accent: #7C3AED;
  --dark: #0F0F2D;
  --dark-2: #1A1A3E;
  --dark-3: #252550;
  --txt: #374151;
  --txt-2: #6B7280;
  --txt-3: #9CA3AF;
  --bg: #F6F8FC;
  --white: #fff;
  --shadow: 0 8px 40px rgba(0, 0, 0, 0.08);
  --radius: 20px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--txt);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

.section-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ========================
   导航栏
   ======================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: all 0.3s cubic-bezier(.4, 0, .2, 1);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 12px rgba(0, 0, 0, 0.06);
  padding: 10px 0;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
}

.logo-img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  object-fit: cover;
}

.logo-text {
  color: var(--white);
  transition: color 0.3s;
  font-weight: 700;
}

.navbar.scrolled .logo-text {
  color: var(--dark);
}

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

.nav-links a {
  color: rgba(255, 255, 255, 0.7);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s;
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--white);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
}

.navbar.scrolled .nav-links a {
  color: var(--txt-2);
}

.navbar.scrolled .nav-links a:hover,
.navbar.scrolled .nav-links a.active {
  color: var(--dark);
}

.navbar.scrolled .nav-links a.active::after {
  background: var(--primary);
}

.nav-cta {
  background: var(--primary) !important;
  color: var(--white) !important;
  padding: 10px 24px;
  border-radius: 100px;
  font-weight: 600 !important;
  transition: transform 0.2s, box-shadow 0.2s !important;
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(255, 107, 53, 0.4);
}

/* ========================
   Hero
   ======================== */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 50%, #2D1B4E 100%);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 100px 0 80px;
}

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

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

.shape-1 {
  width: 600px;
  height: 600px;
  background: rgba(255, 107, 53, 0.15);
  top: -200px;
  right: -100px;
}

.shape-2 {
  width: 400px;
  height: 400px;
  background: rgba(124, 58, 237, 0.1);
  bottom: -100px;
  left: -100px;
}

.shape-3 {
  width: 300px;
  height: 300px;
  background: rgba(59, 130, 246, 0.08);
  top: 40%;
  left: 30%;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 64px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 107, 53, 0.1);
  border: 1px solid rgba(255, 107, 53, 0.2);
  border-radius: 100px;
  padding: 6px 20px;
  font-size: 0.85rem;
  color: #FF8F65;
  margin-bottom: 28px;
}

.hero-title {
  font-size: 3.8rem;
  font-weight: 900;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 24px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary), #FFC663);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.9;
  margin-bottom: 36px;
  max-width: 480px;
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  background: linear-gradient(135deg, var(--primary), #FF8F65);
  color: var(--white);
  font-weight: 700;
  font-size: 1rem;
  border-radius: 100px;
  box-shadow: 0 4px 24px rgba(255, 107, 53, 0.35);
  transition: all 0.2s;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(255, 107, 53, 0.45);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.8);
  font-weight: 600;
  font-size: 1rem;
  border-radius: 100px;
  transition: all 0.2s;
}

.btn-secondary:hover {
  border-color: rgba(255, 255, 255, 0.5);
  color: var(--white);
}

/* Hero Visual */
.hero-image-wrapper {
  position: relative;
  max-width: 520px;
  perspective: 800px;
}

.hero-image {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
  transition: transform 0.5s ease, box-shadow 0.5s ease;
}

.hero-image-wrapper:hover .hero-image {
  transform: rotateY(-6deg) rotateX(3deg) scale(1.02);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.5);
}

.floating-card {
  position: absolute;
  background: var(--white);
  padding: 8px 16px;
  border-radius: 100px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--dark);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  white-space: nowrap;
}

.card-1 {
  top: 12%;
  right: -20px;
  animation: float 3s ease-in-out infinite;
}

.card-2 {
  bottom: 30%;
  right: -24px;
  animation: float 3s ease-in-out 1s infinite;
}

.card-3 {
  bottom: 10%;
  left: -20px;
  animation: float 3s ease-in-out 2s infinite;
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-10px);
  }
}

.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
}

.scroll-arrow {
  width: 24px;
  height: 24px;
  border-right: 2px solid rgba(255, 255, 255, 0.3);
  border-bottom: 2px solid rgba(255, 255, 255, 0.3);
  transform: rotate(45deg);
  animation: scrollBounce 2s infinite;
}

@keyframes scrollBounce {

  0%,
  100% {
    transform: rotate(45deg) translate(0, 0);
    opacity: 0.3;
  }

  50% {
    transform: rotate(45deg) translate(5px, 5px);
    opacity: 0.8;
  }
}

/* ========================
   Features
   ======================== */
.features {
  padding: 100px 0;
  background: var(--bg);
}

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

.section-tag {
  display: inline-block;
  padding: 6px 20px;
  border-radius: 100px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.section-title {
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--dark);
  margin-bottom: 12px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--txt-2);
}

.features-row {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

.features-row-reverse {
  grid-template-columns: 1fr 1.6fr;
}

.features-row-full {
  display: block;
}

.features-col {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.feature-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
  border: 1px solid rgba(0, 0, 0, 0.04);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity 0.3s;
}

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

.feature-large {
  grid-column: span 1;
  grid-row: span 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  padding: 0;
  overflow: hidden;
}

.feature-img-wrap {
  background: linear-gradient(135deg, #FFE8DB, #FFD4C0);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.feature-img {
  width: 100%;
  max-width: 280px;
  border-radius: 12px;
}

.feature-body {
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.feature-icon-wrap {
  width: 56px;
  height: 56px;
  background: var(--primary-light);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.feature-card:nth-child(2) .feature-icon-wrap {
  background: #F3E8FF;
}

.feature-card:nth-child(4) .feature-icon-wrap {
  background: #FFFBEB;
}

.feature-card:nth-child(5) .feature-icon-wrap {
  background: #FEF2F2;
}

.feature-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.92rem;
  color: var(--txt-2);
  line-height: 1.7;
}

.feature-wide {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 36px 48px;
}

.feature-wide .feature-icon-wrap {
  margin-bottom: 0;
}

.feature-wide h3 {
  margin-bottom: 4px;
}

/* ========================
   商家合作
   ======================== */
.merchant-section {
  padding: 100px 0;
  background: var(--white);
}

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

.merchant-card {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 40px 32px;
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
  border: 1px solid rgba(0, 0, 0, 0.04);
}

.merchant-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.merchant-icon {
  width: 72px;
  height: 72px;
  border-radius: 20px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.merchant-card:nth-child(2) .merchant-icon {
  background: #F3E8FF;
}

.merchant-card:nth-child(3) .merchant-icon {
  background: #F0FDF4;
}

.merchant-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
}

.merchant-card p {
  font-size: 0.9rem;
  color: var(--txt-2);
  line-height: 1.7;
}

/* ========================
   Stats Strip (compact)
   ======================== */
.stats-strip {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
  margin-top: 64px;
  padding: 32px 40px;
  background: var(--dark);
  border-radius: var(--radius);
}

.stat-item-inline {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
}

.stat-num-row {
  display: flex;
  align-items: baseline;
}

.stat-num-inline {
  font-size: 2rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary), #FFC663);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-suffix {
  font-size: 1.2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), #FFC663);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-lbl-inline {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.45);
  margin-top: 4px;
}

.stat-divider-line {
  width: 1px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
}

/* ========================
   关于我们 — premium dark
   ======================== */
.about-section {
  padding: 120px 0;
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 50%, #2D1B4E 100%);
  position: relative;
  overflow: hidden;
}

.about-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 107, 53, 0.1) 0%, transparent 70%);
  left: -200px;
  top: -100px;
  pointer-events: none;
}

.about-inner {
  position: relative;
  z-index: 1;
}

.about-top {
  text-align: center;
  margin-bottom: 56px;
}

.about-tag {
  background: rgba(255, 107, 53, 0.12) !important;
  color: #FF8F65 !important;
  border: 1px solid rgba(255, 107, 53, 0.2);
}

.about-headline {
  font-size: 3rem;
  font-weight: 900;
  color: var(--white);
  line-height: 1.25;
  margin-top: 20px;
}

.about-headline span {
  background: linear-gradient(135deg, var(--primary), #FFC663);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-body {
  max-width: 780px;
  margin: 0 auto;
}

.about-quote {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 2;
  text-align: center;
  margin-bottom: 56px;
  font-style: italic;
}

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

.about-value {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  padding: 28px 24px;
  transition: background 0.3s;
}

.about-value:hover {
  background: rgba(255, 255, 255, 0.08);
}

.about-value svg {
  flex-shrink: 0;
  margin-top: 2px;
}

.about-value strong {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
}

.about-value p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.45);
  line-height: 1.5;
  margin: 0;
}

/* ========================
   Download CTA
   ======================== */
.download-section {
  padding: 100px 0 120px;
  background: var(--bg);
}

.download-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 72px;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 48px;
  align-items: center;
  border: 1px solid rgba(0, 0, 0, 0.04);
  box-shadow: var(--shadow);
}

.download-content h2 {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--dark);
  margin-bottom: 16px;
}

.download-content p {
  font-size: 1rem;
  color: var(--txt-2);
  line-height: 1.8;
  margin-bottom: 24px;
}

.download-features {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.download-features span {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  color: var(--txt);
  font-weight: 500;
}

.qr-placeholder {
  background: var(--bg);
  border: 2px dashed rgba(0, 0, 0, 0.08);
  border-radius: 16px;
  padding: 36px;
  text-align: center;
  max-width: 220px;
  margin: 0 auto;
}

.qr-logo {
  margin-bottom: 16px;
}

.qr-placeholder p {
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 4px;
  font-size: 1rem;
}

.qr-hint {
  font-size: 0.8rem;
  color: var(--txt-3);
}

/* ========================
   Footer
   ======================== */
.footer {
  background: var(--dark);
  padding: 64px 0 32px;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

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

.footer-logo-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-logo-img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  object-fit: cover;
}

.footer-brand .logo-text {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--white);
}

.footer-company {
  margin-top: 8px;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.35);
  letter-spacing: 0.5px;
}

.footer-slogan {
  margin-top: 12px;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.4);
}

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

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
}

.footer-col a {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.45);
  transition: color 0.2s;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
}

.footer-bottom p,
.footer-bottom .icp {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.25);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.25);
  transition: color 0.2s;
}

.footer-bottom a:hover {
  color: rgba(255, 255, 255, 0.6);
}

/* ========================
   Scroll Reveal
   ======================== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ========================
   Merchant Page
   ======================== */
.merchant-hero {
  padding: 160px 0 80px;
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 50%, #2D1B4E 100%);
  text-align: center;
}

.merchant-hero h1 {
  font-size: 3rem;
  font-weight: 900;
  color: var(--white);
  line-height: 1.25;
  margin-bottom: 20px;
}

.merchant-hero p {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.5);
  max-width: 560px;
  margin: 0 auto;
}

.merchant-flow {
  padding: 80px 0;
  background: var(--bg);
}

.flow-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
}

.flow-step {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px 32px;
  text-align: center;
  flex: 1;
  max-width: 300px;
  border: 1px solid rgba(0, 0, 0, 0.04);
  transition: transform 0.3s, box-shadow 0.3s;
}

.flow-step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.flow-num {
  font-size: 2.4rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary), #FFC663);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
}

.flow-step h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
}

.flow-step p {
  font-size: 0.9rem;
  color: var(--txt-2);
  line-height: 1.7;
}

.flow-arrow {
  flex-shrink: 0;
  opacity: 0.4;
}

.merchant-cta {
  padding: 80px 0 100px;
  background: var(--bg);
}

.merchant-cta h2 {
  font-size: 2rem;
  font-weight: 900;
  color: var(--dark);
  margin-bottom: 16px;
}

.merchant-cta p {
  font-size: 1rem;
  color: var(--txt-2);
}

/* Entry paths */
.entry-path {
  background: var(--white);
  border-radius: var(--radius);
  padding: 48px;
  margin-bottom: 28px;
  border: 1px solid rgba(0, 0, 0, 0.04);
}

.entry-path-header {
  margin-bottom: 36px;
}

.entry-path-badge {
  display: inline-block;
  padding: 4px 16px;
  border-radius: 100px;
  background: linear-gradient(135deg, var(--primary), #FF8F65);
  color: var(--white);
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.badge-alt {
  background: linear-gradient(135deg, var(--accent), #A855F7);
}

.entry-path-header h3 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 8px;
}

.entry-path-header p {
  font-size: 0.95rem;
  color: var(--txt-2);
}

/* Contact section */
.contact-section {
  padding: 80px 0 100px;
  background: var(--white);
}

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

.contact-card {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 40px 32px;
  text-align: center;
  border: 1px solid rgba(0, 0, 0, 0.04);
  transition: transform 0.3s, box-shadow 0.3s;
}

.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.contact-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.contact-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}

.contact-value {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
  word-break: break-all;
}

.contact-hint {
  font-size: 0.8rem;
  color: var(--txt-3);
}

/* ========================
   Nav Toggle (hamburger)
   ======================== */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all 0.3s;
}

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

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

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

.navbar.scrolled .nav-toggle span {
  background: var(--dark);
}

/* ========================
   Responsive
   ======================== */
@media (max-width: 960px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links a:not(.nav-cta) {
    display: none;
  }

  .nav-links {
    gap: 0;
  }

  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: 100px;
  }

  .hero-subtitle {
    margin: 0 auto 36px;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-visual {
    margin-top: 32px;
  }

  .hero-image-wrapper {
    max-width: 400px;
    margin: 0 auto;
  }

  .floating-card {
    display: none;
  }

  .features-row,
  .features-row-reverse {
    grid-template-columns: 1fr;
  }

  .feature-large {
    grid-template-columns: 1fr;
    grid-row: span 1;
  }

  .merchant-grid {
    grid-template-columns: 1fr;
  }

  .stats-strip {
    flex-wrap: wrap;
    gap: 16px;
    padding: 24px 20px;
  }

  .stat-divider-line {
    display: none;
  }

  .stat-item-inline {
    min-width: 40%;
  }

  .about-values {
    grid-template-columns: 1fr;
  }

  .download-card {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 40px 28px;
  }

  .download-features {
    justify-content: center;
  }

  .footer-main {
    flex-direction: column;
    gap: 32px;
  }

  .footer-links {
    gap: 48px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .flow-grid {
    flex-direction: column;
  }

  .flow-arrow {
    transform: rotate(90deg);
  }

  .merchant-hero h1 {
    font-size: 2rem;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .entry-path {
    padding: 32px 24px;
  }
}

@media (max-width: 640px) {
  .hero-title {
    font-size: 2.2rem;
  }

  .hero-section {
    padding-bottom: 60px;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .section-container {
    padding: 0 20px;
  }

  .stat-num-inline {
    font-size: 1.6rem;
  }

  .about-headline {
    font-size: 2rem;
  }

  .features {
    padding: 60px 0;
  }

  .feature-card {
    padding: 28px 24px;
  }

  .feature-body {
    padding: 28px 20px;
  }
}