/* ===== Design Tokens — Light Theme ===== */
:root {
  --bg-0: #f5f7fb;
  --bg-1: #ffffff;
  --bg-2: #eef1f8;
  --surface: #ffffff;
  --surface-2: #f8fafe;
  --surface-3: #f0f3fa;
  --border: #e4e8f0;
  --border-hi: #cdd3e0;
  --text: #161a2e;
  --text-dim: #525669;
  --text-faint: #8b90a5;
  --accent: #00a87a;
  --accent-2: #2563eb;
  --accent-3: #c8920e;
  --accent-glow: rgba(0, 168, 122, 0.16);
  --blue-glow: rgba(37, 99, 235, 0.14);
  --shadow-xs: 0 1px 3px rgba(20, 30, 60, 0.04);
  --shadow-sm: 0 2px 10px rgba(20, 30, 60, 0.06);
  --shadow-md: 0 8px 30px rgba(20, 30, 60, 0.08);
  --shadow-lg: 0 20px 50px rgba(20, 30, 60, 0.1);
  --shadow-xl: 0 30px 80px rgba(20, 30, 60, 0.14);
  --radius: 18px;
  --radius-sm: 12px;
  --radius-lg: 28px;
  --maxw: 1200px;
  --font-head: "Sora", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  font-size: 16px;
}
body {
  font-family: var(--font-body);
  background: var(--bg-0);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Animated background orbs */
.bg-orbs {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.1;
  animation: float 20s ease-in-out infinite;
}
.orb-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent), transparent 70%);
  top: -10%;
  left: -5%;
}
.orb-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--accent-2), transparent 70%);
  top: 30%;
  right: -10%;
  animation-delay: -5s;
}
.orb-3 {
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, var(--accent-3), transparent 70%);
  bottom: 10%;
  left: 30%;
  animation-delay: -10s;
  opacity: 0.06;
}
@keyframes float {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(40px, -50px) scale(1.05);
  }
  66% {
    transform: translate(-30px, 30px) scale(0.95);
  }
}

/* Grid texture overlay */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(20, 30, 60, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 30, 60, 0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

main,
header,
footer {
  position: relative;
  z-index: 1;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  max-width: 100%;
  display: block;
}
.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  border: none;
  transition: all 0.3s ease;
  font-family: var(--font-body);
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), #008a62);
  color: #fff;
  box-shadow: 0 4px 16px var(--accent-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px var(--accent-glow);
}
.btn-ghost {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-xs);
}
.btn-ghost:hover {
  border-color: var(--border-hi);
  background: var(--surface-2);
  box-shadow: var(--shadow-sm);
}
.btn-lg {
  padding: 16px 36px;
  font-size: 1rem;
}

/* ===== Navbar ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: all 0.4s ease;
}
.navbar.scrolled {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
  box-shadow: var(--shadow-sm);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--text);
}
.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px var(--accent-glow);
}
.logo-icon svg {
  width: 22px;
  height: 22px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  color: var(--text-dim);
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.2s;
  position: relative;
}
.nav-links a:hover {
  color: var(--text);
}
.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s;
}
.nav-links a:hover::after {
  width: 100%;
}
.nav-cta {
  display: flex;
  align-items: center;
  gap: 16px;
}
.hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
}
.hamburger svg {
  width: 28px;
  height: 28px;
}

/* ===== Hero ===== */
.hero {
  padding: 200px 0 0;
  position: relative;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 500;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--accent);
  margin-bottom: 24px;
  box-shadow: var(--shadow-xs);
}
.hero-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.4;
  }
}
.hero h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  margin-bottom: 20px;
  color: var(--text);
}
.hero h1 .grad {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero p.lead {
  font-size: 1.08rem;
  color: var(--text-dim);
  margin-bottom: 32px;
  max-width: 520px;
}
.hero-tags {
  display: flex;
  gap: 12px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}
.hero-tag {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  box-shadow: var(--shadow-xs);
}
.hero-tag .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}
.tag-green .dot {
  background: var(--accent);
}
.tag-blue .dot {
  background: var(--accent-2);
}
.tag-gold .dot {
  background: var(--accent-3);
}
.hero-cta {
  display: flex;
  gap: 16px;
  align-items: center;
}
.hero-note {
  font-size: 0.85rem;
  color: var(--text-faint);
  margin-top: 16px;
}

/* Credit Card Mockup — premium dark card on light bg */
.card-stage {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  perspective: 1000px;
}
.card-3d {
  width: 380px;
  height: 240px;
  border-radius: 24px;
  background: linear-gradient(135deg, #1b2140 0%, #0e1226 50%, #1e2950 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow:
    0 30px 60px rgba(20, 30, 60, 0.25),
    0 0 0 1px rgba(255, 255, 255, 0.04) inset;
  padding: 28px;
  position: relative;
  overflow: hidden;
  animation: cardFloat 6s ease-in-out infinite;
  transform-style: preserve-3d;
}
@keyframes cardFloat {
  0%,
  100% {
    transform: rotateY(-8deg) rotateX(4deg) translateY(0);
  }
  50% {
    transform: rotateY(-8deg) rotateX(4deg) translateY(-18px);
  }
}
.card-3d::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -30%;
  width: 200%;
  height: 200%;
  background: linear-gradient(135deg, transparent 30%, rgba(0, 229, 160, 0.06) 50%, transparent 70%);
  animation: shine 4s linear infinite;
}
@keyframes shine {
  0% {
    transform: translate(-30%, -30%) rotate(0);
  }
  100% {
    transform: translate(-30%, -30%) rotate(360deg);
  }
}
.card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 36px;
}
.card-brand {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: -0.02em;
  color: #fff;
}
.card-chip {
  width: 48px;
  height: 36px;
  border-radius: 8px;
  background: linear-gradient(135deg, #d4af37, #ffd700, #b8860b);
  position: relative;
}
.card-chip::after {
  content: "";
  position: absolute;
  inset: 6px;
  border-radius: 4px;
  background: repeating-linear-gradient(90deg, transparent 0 4px, rgba(0, 0, 0, 0.15) 4px 8px);
}
.card-number {
  font-size: 1.15rem;
  letter-spacing: 3px;
  font-weight: 500;
  margin-bottom: 24px;
  color: rgba(255, 255, 255, 0.92);
}
.card-bottom {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}
.card-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 4px;
}
.card-value {
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
}
.card-net {
  display: flex;
  gap: 6px;
}
.card-net span {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, #eb001b, #f79e1b);
  font-size: 0.6rem;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}
.card-net span:nth-child(2) {
  background: linear-gradient(135deg, #1a1f71, #006fc5);
  margin-left: -10px;
}

/* Floating mini cards around main card */
.float-card {
  position: absolute;
  padding: 14px 18px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  font-size: 0.8rem;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 10px;
}
.float-card .icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.float-card .val {
  font-weight: 700;
  font-family: var(--font-head);
  color: var(--text);
}
.float-card .lbl {
  font-size: 0.7rem;
  color: var(--text-faint);
}
.fc-1 {
  top: 5%;
  right: 0;
  animation: floatUp 5s ease-in-out infinite;
  z-index: 1;
}
.fc-2 {
  bottom: 10%;
  left: -5%;
  animation: floatUp 5s ease-in-out infinite 2.5s;
  z-index: 1;
}
@keyframes floatUp {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}
.fc-1 .icon {
  background: rgba(0, 168, 122, 0.12);
  color: var(--accent);
}
.fc-2 .icon {
  background: rgba(37, 99, 235, 0.12);
  color: var(--accent-2);
}

/* Hero stats strip */
.hero-stats {
  display: flex;
  gap: 0;
  margin-top: 80px;
  border-top: 1px solid var(--border);
  padding-top: 40px;
}
.hero-stat {
  flex: 1;
  text-align: center;
}
.hero-stat .num {
  font-family: var(--font-head);
  font-size: 2.2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-stat .lbl {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-top: 4px;
}

/* ===== Section common ===== */
.section {
  padding: 90px 0;
  position: relative;
}
.sec-head {
  text-align: center;
  margin-bottom: 56px;
}
.sec-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  background: rgba(0, 168, 122, 0.08);
  border: 1px solid rgba(0, 168, 122, 0.18);
  color: var(--accent);
  margin-bottom: 16px;
  text-transform: uppercase;
}
.sec-head h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  margin-bottom: 16px;
  color: var(--text);
}
.sec-head p {
  color: var(--text-dim);
  max-width: 960px;
  margin: 0 auto;
  font-size: 1.05rem;
}

/* ===== Features grid ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature-card {
  padding: 32px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.feature-card:hover {
  border-color: var(--border-hi);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.feature-card:hover::before {
  transform: scaleX(1);
}
.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  background: linear-gradient(135deg, rgba(0, 168, 122, 0.1), rgba(37, 99, 235, 0.1));
}
.feature-icon svg {
  width: 26px;
  height: 26px;
}
.feature-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
  color: var(--text);
}
.feature-card p {
  color: var(--text-dim);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* ===== Why choose (3 big cards) ===== */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.why-card {
  padding: 40px 32px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  transition: all 0.4s ease;
}
.why-card:hover {
  border-color: var(--border-hi);
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
}
.why-card .glow {
  position: absolute;
  top: -40px;
  right: -40px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.12;
}
.why-card:nth-child(1) .glow {
  background: var(--accent);
}
.why-card:nth-child(2) .glow {
  background: var(--accent-2);
}
.why-card:nth-child(3) .glow {
  background: var(--accent-3);
}
.why-img {
  width: 100%;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(0, 168, 122, 0.06), rgba(37, 99, 235, 0.06));
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  overflow: hidden;
}
.why-img svg {
  width: 60px;
  height: 60px;
  opacity: 0.7;
}
.why-card h3 {
  font-size: 1.35rem;
  margin-bottom: 14px;
  color: var(--text);
}
.why-card p {
  color: var(--text-dim);
  font-size: 0.95rem;
  margin-bottom: 20px;
}
.why-list {
  list-style: none;
}
.why-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-dim);
  padding: 6px 0;
}
.why-list li svg {
  width: 18px;
  height: 18px;
  color: var(--accent);
  flex-shrink: 0;
}

/* ===== Use cases ===== */
.usecase-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
button.usecase-tab {
  padding: 10px 20px;
  border-radius: 50px;
  font-size: 0.88rem;
  font-weight: 500;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: var(--shadow-xs);
}
button.usecase-tab.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  font-weight: 600;
  box-shadow: 0 4px 12px var(--accent-glow);
}
button.usecase-tab:hover:not(.active) {
  border-color: var(--border-hi);
  color: var(--text);
}
.usecase-content {
  display: none;
}
.usecase-content.active {
  display: block;
  animation: fadeIn 0.5s ease;
}
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.usecase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
.usecase-item {
  padding: 28px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-xs);
  transition: all 0.3s;
}
.usecase-item:hover {
  border-color: var(--border-hi);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.usecase-item .ic {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(0, 168, 122, 0.08), rgba(37, 99, 235, 0.08));
}
.usecase-item .ic svg {
  width: 24px;
  height: 24px;
}
.usecase-item h4 {
  font-size: 1rem;
  margin-bottom: 8px;
  color: var(--text);
}
.usecase-item p {
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 1.55;
}

/* ===== Stats bar ===== */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 60px 40px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(0, 168, 122, 0.04), rgba(37, 99, 235, 0.04)), var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}
.stats-bar::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2), var(--accent-3));
}
.stat-item {
  text-align: center;
}
.stat-num {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat-suffix {
  font-size: 1.5rem;
  color: var(--accent);
}
.stat-lbl {
  font-size: 0.9rem;
  color: var(--text-dim);
  margin-top: 8px;
}

/* ===== Testimonials ===== */
.test-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.test-card {
  padding: 28px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s;
  display: flex;
  flex-direction: column;
}
.test-card:hover {
  border-color: var(--border-hi);
  box-shadow: var(--shadow-md);
}
.test-quote {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 20px;
  position: relative;
}
.test-quote::before {
  content: "\201C";
  position: absolute;
  top: -10px;
  left: -8px;
  font-size: 2.5rem;
  color: var(--accent);
  opacity: 0.15;
  font-family: serif;
}
.test-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.test-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #fff;
  font-size: 0.9rem;
}
.test-name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text);
}
.test-role {
  font-size: 0.78rem;
  color: var(--text-faint);
}

/* ===== Payment methods ===== */
.pay-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}
.pay-card {
  padding: 32px 24px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  text-align: center;
  transition: all 0.3s;
}
.pay-card:hover {
  border-color: var(--border-hi);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.pay-card .ic {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(0, 168, 122, 0.08), rgba(37, 99, 235, 0.08));
}
.pay-card .ic svg {
  width: 30px;
  height: 30px;
}
.pay-card h4 {
  font-size: 1rem;
  margin-bottom: 6px;
  color: var(--text);
}
.pay-card p {
  font-size: 0.82rem;
  color: var(--text-dim);
}

/* ===== CTA Banner ===== */
.cta-banner {
  padding: 70px 40px;
  border-radius: var(--radius-lg);
  text-align: center;
  background: linear-gradient(135deg, rgba(0, 168, 122, 0.05), rgba(37, 99, 235, 0.05)), var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -20%;
  width: 60%;
  height: 200%;
  background: radial-gradient(ellipse, var(--accent-glow), transparent 70%);
  opacity: 0.4;
}
.cta-banner h2 {
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  margin-bottom: 16px;
  position: relative;
  color: var(--text);
}
.cta-banner p {
  color: var(--text-dim);
  margin-bottom: 32px;
  position: relative;
}
.cta-form {
  display: flex;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto;
  position: relative;
}
.cta-input {
  flex: 1;
  padding: 14px 20px;
  border-radius: 50px;
  border: 1px solid var(--border-hi);
  background: var(--bg-0);
  color: var(--text);
  font-size: 0.92rem;
  font-family: var(--font-body);
}
.cta-input::placeholder {
  color: var(--text-faint);
}
.cta-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

/* ===== Footer ===== */
.footer {
  padding: 60px 0 30px;
  border-top: 1px solid var(--border);
  background: var(--bg-2);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand p {
  color: var(--text-dim);
  font-size: 0.88rem;
  margin: 16px 0;
  max-width: 300px;
}
.footer-social {
  display: flex;
  gap: 12px;
}
.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  color: var(--text-dim);
}
.footer-social a:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.footer-social svg {
  width: 18px;
  height: 18px;
}
.footer-col h4 {
  font-size: 0.9rem;
  margin-bottom: 16px;
  color: var(--text);
}
.footer-col ul {
  list-style: none;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul a {
  color: var(--text-dim);
  font-size: 0.88rem;
  transition: color 0.2s;
}
.footer-col ul a:hover {
  color: var(--accent);
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--text-faint);
}
.footer-bottom a {
  color: var(--text-faint);
}
.footer-bottom a:hover {
  color: var(--text);
}

/* ===== Reveal animation ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 968px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .card-stage {
    order: -1;
    margin-bottom: 20px;
  }
  .features-grid,
  .why-grid,
  .test-grid {
    grid-template-columns: 1fr 1fr;
  }
  .stats-bar {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    padding: 40px 24px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
  .nav-links {
    display: none;
  }
  .hamburger {
    display: block;
  }
  .hero-stats {
    flex-wrap: wrap;
    gap: 24px;
  }
  .hero-stat {
    flex: 0 0 45%;
  }
}
@media (max-width: 640px) {
  .hero{
    padding: 80px 0 0
  }
  .features-grid,
  .why-grid,
  .test-grid {
    grid-template-columns: 1fr;
  }
  .stats-bar {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }
  .cta-form {
    flex-direction: column;
  }
  .card-3d {
    width: 300px;
    height: 190px;
    padding: 22px;
  }
  .float-card {
    display: none;
  }
}