/* ===== Handa Platform — Aurora / glass system ===== */
:root {
  --bg: #030508;
  --bg-elevated: #080d14;
  --bg-card: rgba(12, 17, 28, 0.62);
  --bg-card-hover: rgba(18, 26, 42, 0.82);
  --bg-glass: rgba(255, 255, 255, 0.042);
  --text: #ffffff;
  --text-muted: #c8d6e8;
  --accent: #22d3ee;
  --accent-hover: #67e8f9;
  --accent-soft: rgba(34, 211, 238, 0.08);
  --accent-glow: rgba(34, 211, 238, 0.12);
  --accent-border: rgba(34, 211, 238, 0.28);
  --accent2: #c4b5fd;
  --accent2-soft: rgba(196, 181, 253, 0.08);
  --gradient-text: linear-gradient(125deg, #a5f3fc 0%, #67e8f9 35%, #c4b5fd 70%, #e9d5ff 100%);
  --gradient-border: linear-gradient(135deg, rgba(103,232,249,0.45), rgba(196,181,253,0.25));
  --gradient-cta: linear-gradient(135deg, #0891b2 0%, #22d3ee 50%, #06b6d4 100%);
  --border: rgba(255, 255, 255, 0.065);
  --border-strong: rgba(255, 255, 255, 0.11);
  --radius: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;
  --font-sans: "Outfit", "Noto Sans KR", system-ui, sans-serif;
  --font-kr: "Noto Sans KR", "Outfit", sans-serif;
  --font-mono: "IBM Plex Mono", "SF Mono", monospace;
  --container: min(1240px, 100% - 3.5rem);
  --glow-card:
    0 0 0 1px rgba(103, 232, 249, 0.12),
    0 4px 28px rgba(0, 0, 0, 0.45),
    0 28px 72px rgba(0, 0, 0, 0.38),
    0 0 100px rgba(34, 211, 238, 0.06);
  --ease: cubic-bezier(0.22, 0.5, 0.38, 0.98);
  --ease-out: cubic-bezier(0.12, 1, 0.24, 1);
  --perspective: 1400px;
  --focus-ring: 0 0 0 2px var(--bg), 0 0 0 4px var(--accent);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-kr);
  font-weight: 400;
  color: var(--text);
  background-color: var(--bg);
  background-image:
    radial-gradient(ellipse 100% 70% at 50% -25%, rgba(34, 211, 238, 0.14) 0%, transparent 52%),
    radial-gradient(ellipse 55% 45% at 100% 15%, rgba(196, 181, 253, 0.09) 0%, transparent 50%),
    radial-gradient(ellipse 50% 40% at 0% 75%, rgba(8, 145, 178, 0.07) 0%, transparent 48%);
  background-attachment: fixed;
  line-height: 1.7;
  letter-spacing: 0.015em;
  overflow-x: hidden;
}

::selection {
  background: rgba(6, 182, 212, 0.2);
  color: var(--text);
}

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.014;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.mono {
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

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

/* 상단 고정 스택: 신뢰 바가 여러 줄이 되어도 헤더가 그 아래로 이어짐 (겹침 방지) */
.site-top-fixed {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 150;
}

main {
  padding-top: var(--site-top-h, 10.5rem);
}

/* ----- Trust bar ----- */
.trust-bar {
  position: relative;
  z-index: auto;
  background: rgba(5, 8, 14, 0.78);
  backdrop-filter: blur(20px) saturate(1.25);
  -webkit-backdrop-filter: blur(20px) saturate(1.25);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  box-shadow:
    0 1px 0 rgba(103, 232, 249, 0.1),
    0 8px 32px rgba(0, 0, 0, 0.2);
  padding: 0.7rem 0;
}

.trust-bar-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.trust-item {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.24em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.trust-dot {
  width: 2px;
  height: 2px;
  border-radius: 50%;
  background: var(--border-strong);
}

.trust-promo {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.25s var(--ease), opacity 0.25s var(--ease);
}

.trust-promo:hover {
  color: var(--accent-hover);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.trust-promo:focus-visible {
  outline: none;
  color: var(--accent-hover);
  box-shadow: 0 0 0 2px var(--accent);
  border-radius: 4px;
}

.trust-promo .trust-promo-lead {
  color: var(--text);
  font-weight: 600;
  letter-spacing: 0.12em;
}

.promo-solution-title .promo-solution-lead {
  color: var(--accent-hover);
  font-weight: 800;
}

/* ----- Header ----- */
.header {
  position: relative;
  z-index: auto;
  padding: 1.25rem 0;
  transition: background 0.5s var(--ease), box-shadow 0.5s var(--ease), padding 0.4s var(--ease);
}

.header.scrolled {
  background: rgba(4, 7, 12, 0.78);
  backdrop-filter: blur(28px) saturate(1.35);
  -webkit-backdrop-filter: blur(28px) saturate(1.35);
  box-shadow:
    0 1px 0 rgba(103, 232, 249, 0.08),
    0 12px 40px rgba(0, 0, 0, 0.35);
  padding: 0.85rem 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.header-rates {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  padding: 0.3rem 0.75rem;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: 100px;
}

.header-rates .rate {
  display: inline-flex;
  align-items: baseline;
  gap: 0.35rem;
}

.header-rates .rate-label {
  color: var(--accent);
  font-weight: 500;
}

.header-rates .rate-value {
  color: var(--text);
  transition: opacity 0.3s;
}

.header-rates:hover .rate-value {
  opacity: 0.9;
}

.logo {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.88rem;
  letter-spacing: 0.1em;
  color: var(--text);
  text-decoration: none;
  transition: opacity 0.3s var(--ease);
}

.logo:hover {
  opacity: 0.9;
}

.logo:focus-visible {
  outline: none;
  opacity: 0.95;
  box-shadow: 0 0 0 2px var(--accent);
  border-radius: 4px;
}

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

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav a {
  font-size: 0.88rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
  position: relative;
  border-radius: 4px;
}

.nav a:focus-visible {
  outline: none;
  color: var(--text);
  box-shadow: 0 0 0 2px var(--accent);
}

.nav a:hover {
  color: var(--text);
}

.nav a::after {
  content: "";
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gradient-text);
  transition: width 0.2s;
}

.nav a:hover::after {
  width: 100%;
}

.nav-cta {
  color: var(--accent) !important;
  font-weight: 500;
}

.nav-cta::after { display: none !important; }

.nav-login {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.2rem 0.55rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.2;
  color: #041016 !important;
  text-decoration: none;
  background: var(--gradient-cta);
  border-radius: 999px;
  box-shadow: 0 1px 4px rgba(6, 182, 212, 0.16);
  transition: transform 0.2s var(--ease-out), box-shadow 0.25s var(--ease);
  margin-left: 0.08rem;
}

.nav-login:hover {
  color: #fff !important;
  transform: translateY(-0.5px);
  box-shadow: 0 2px 10px rgba(6, 182, 212, 0.26);
}

.nav-login:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--bg-elevated), 0 0 0 4px var(--accent);
}

.nav-login::after {
  display: none !important;
}

.lang-switcher {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  margin-left: 0.5rem;
  padding: 0.2rem 0.4rem;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: 6px;
}

.lang-btn {
  font-family: var(--font-kr);
  font-size: 0.75rem;
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.2rem 0.35rem;
  border-radius: 4px;
  transition: color 0.2s, background 0.2s;
}

.lang-btn:hover {
  color: var(--text);
}

.lang-btn.active {
  color: var(--accent);
  font-weight: 500;
  background: var(--accent-soft);
}

.lang-btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--accent);
}

.lang-divider {
  color: var(--border-strong);
  font-size: 0.7rem;
  user-select: none;
}

.menu-btn {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  border-radius: 6px;
}

.menu-btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--accent);
}

.menu-btn span {
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 1px;
}

/* ----- Hero ----- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  /* 세로 여백: 상단 고정 바 높이는 main padding-top + --site-top-h 로 처리 */
  padding: 3.25rem 0 6rem;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 4;
  pointer-events: none;
  background: radial-gradient(
    ellipse 55% 48% at 50% 42%,
    transparent 0%,
    rgba(3, 5, 12, 0.25) 55%,
    rgba(2, 3, 8, 0.72) 100%
  );
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.008) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.008) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridDrift 30s linear infinite;
}

/* ----- 3D Hero background ----- */
.hero-3d-wrap {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

#hero-3d {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  object-fit: cover;
}

/* ----- 은하수 흐르는 별 ----- */
.hero-stars {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.stars-layer {
  position: absolute;
  inset: -50%;
  width: 200%;
  height: 100%;
  background-repeat: repeat;
  background-size: 500px 500px;
  opacity: 0.9;
}

.stars-layer--far {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='500' height='500'%3E%3Ccircle cx='25' cy='80' r='0.6' fill='%23fff' opacity='0.12'/%3E%3Ccircle cx='180' cy='220' r='0.5' fill='%2306b6d4' opacity='0.08'/%3E%3Ccircle cx='320' cy='40' r='0.7' fill='%23fff' opacity='0.1'/%3E%3Ccircle cx='450' cy='380' r='0.5' fill='%23fff' opacity='0.09'/%3E%3Ccircle cx='90' cy='310' r='0.6' fill='%23a78bfa' opacity='0.07'/%3E%3Ccircle cx='260' cy='150' r='0.5' fill='%23fff' opacity='0.11'/%3E%3Ccircle cx='400' cy='260' r='0.6' fill='%23fff' opacity='0.1'/%3E%3Ccircle cx='130' cy='45' r='0.5' fill='%2306b6d4' opacity='0.06'/%3E%3Ccircle cx='350' cy='350' r='0.5' fill='%23fff' opacity='0.08'/%3E%3Ccircle cx='50' cy='200' r='0.6' fill='%23fff' opacity='0.1'/%3E%3C/svg%3E");
  animation: starsDrift 180s linear infinite;
}

.stars-layer--mid {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='500' height='500'%3E%3Ccircle cx='70' cy='120' r='0.8' fill='%23fff' opacity='0.18'/%3E%3Ccircle cx='220' cy='280' r='0.6' fill='%23fff' opacity='0.14'/%3E%3Ccircle cx='380' cy='60' r='0.5' fill='%2306b6d4' opacity='0.1'/%3E%3Ccircle cx='150' cy='400' r='0.7' fill='%23fff' opacity='0.12'/%3E%3Ccircle cx='300' cy='180' r='0.6' fill='%23a78bfa' opacity='0.09'/%3E%3Ccircle cx='45' cy='250' r='0.5' fill='%23fff' opacity='0.15'/%3E%3Ccircle cx='420' cy='320' r='0.6' fill='%23fff' opacity='0.11'/%3E%3Ccircle cx='200' cy='50' r='0.5' fill='%23fff' opacity='0.13'/%3E%3Ccircle cx='330' cy='410' r='0.6' fill='%23fff' opacity='0.1'/%3E%3Ccircle cx='100' cy='340' r='0.5' fill='%23fff' opacity='0.12'/%3E%3C/svg%3E");
  background-size: 480px 480px;
  animation: starsDrift 120s linear infinite;
  animation-direction: reverse;
}

.stars-layer--near {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='500' height='500'%3E%3Ccircle cx='120' cy='70' r='0.5' fill='%23fff' opacity='0.2'/%3E%3Ccircle cx='280' cy='190' r='0.7' fill='%23fff' opacity='0.16'/%3E%3Ccircle cx='50' cy='350' r='0.5' fill='%2306b6d4' opacity='0.12'/%3E%3Ccircle cx='400' cy='100' r='0.6' fill='%23fff' opacity='0.14'/%3E%3Ccircle cx='180' cy='420' r='0.5' fill='%23fff' opacity='0.18'/%3E%3Ccircle cx='350' cy='270' r='0.6' fill='%23a78bfa' opacity='0.1'/%3E%3Ccircle cx='90' cy='180' r='0.5' fill='%23fff' opacity='0.15'/%3E%3Ccircle cx='260' cy='30' r='0.6' fill='%23fff' opacity='0.12'/%3E%3Ccircle cx='420' cy='380' r='0.5' fill='%23fff' opacity='0.13'/%3E%3Ccircle cx='140' cy='260' r='0.5' fill='%23fff' opacity='0.11'/%3E%3C/svg%3E");
  background-size: 520px 520px;
  animation: starsDrift 90s linear infinite;
}

@keyframes starsDrift {
  0% { transform: translateX(0); }
  100% { transform: translateX(500px); }
}

/* ----- 바다 물결 + 떠다니는 배 ----- */
.hero-ocean {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 42%;
  pointer-events: none;
  z-index: 1;
}

.ocean-waves {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 100%;
}

.wave-svg {
  width: 100%;
  height: 100%;
  display: block;
}

.wave-path {
  fill: rgba(6, 182, 212, 0.06);
  transform-origin: center bottom;
}

.wave-path--1 {
  animation: waveMove 8s ease-in-out infinite;
}

.wave-path--2 {
  fill: rgba(167, 139, 250, 0.04);
  animation: waveMove 10s ease-in-out infinite 0.5s;
}

.wave-path--3 {
  fill: rgba(6, 182, 212, 0.05);
  animation: waveMove 12s ease-in-out infinite 1s;
}

@keyframes waveMove {
  0%, 100% { transform: translateX(0) scaleY(1); }
  25% { transform: translateX(2%) scaleY(1.02); }
  50% { transform: translateX(-1%) scaleY(0.98); }
  75% { transform: translateX(1.5%) scaleY(1.01); }
}

.hero-ship {
  position: absolute;
  bottom: 22%;
  width: clamp(100px, 16vw, 180px);
  color: rgba(255, 255, 255, 0.16);
  pointer-events: none;
  animation: shipFloat 6s ease-in-out infinite;
}

.hero-ship--1 {
  left: 12%;
}

.hero-ship--2 {
  right: 18%;
  left: auto;
  width: clamp(85px, 13vw, 150px);
  animation-delay: -2.5s;
  opacity: 0.9;
}

.ship-svg--container {
  stroke-linejoin: round;
}

.ship-svg {
  width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.2));
}

@keyframes shipFloat {
  0%, 100% { transform: translateY(0) rotate(-0.5deg); }
  50% { transform: translateY(-8px) rotate(0.5deg); }
}

.hero-gradient {
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    radial-gradient(ellipse 60% 35% at 40% 0%, rgba(6,182,212,0.06) 0%, transparent 50%),
    radial-gradient(ellipse 50% 30% at 70% 10%, rgba(167,139,250,0.04) 0%, transparent 50%),
    linear-gradient(to top, rgba(4,4,6,0.5) 0%, transparent 40%);
  animation: gradientShift 14s ease-in-out infinite;
}

@keyframes gradientShift {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.85; }
}

.hero-glow {
  position: absolute;
  top: -10%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: conic-gradient(from 180deg, rgba(6,182,212,0.15), rgba(167,139,250,0.1), rgba(6,182,212,0.05), rgba(167,139,250,0.12), rgba(6,182,212,0.15));
  filter: blur(80px);
  pointer-events: none;
  z-index: 3;
  animation: orbRotate 20s linear infinite;
}

.hero-glow::after {
  content: "";
  position: absolute;
  inset: -30%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(6,182,212,0.06) 0%, transparent 60%);
  animation: orbPulse 6s ease-in-out infinite;
}

@keyframes orbRotate {
  0% { transform: translateX(-50%) rotate(0deg); }
  100% { transform: translateX(-50%) rotate(360deg); }
}

@keyframes orbPulse {
  0%, 100% { opacity: 0.7; transform: scale(1); }
  50% { opacity: 0.95; transform: scale(1.05); }
}

.hero-content {
  position: relative;
  z-index: 5;
  text-align: center;
  isolation: isolate;
}

.hero-content::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: min(92vw, 920px);
  height: min(78vh, 640px);
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 68% 58% at 50% 38%, rgba(20, 32, 52, 0.55) 0%, rgba(8, 12, 22, 0.28) 52%, transparent 72%);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(103, 232, 249, 0.06);
  box-shadow:
    0 0 80px rgba(34, 211, 238, 0.05),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.hero-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--accent-hover);
  margin-bottom: 0.9rem;
  text-transform: uppercase;
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: center;
  text-align: center;
  max-width: calc(100vw - 2.5rem);
  margin-inline: auto;
  white-space: normal;
  line-height: 1.35;
  word-break: break-word;
  overflow-wrap: anywhere;
  padding: 0.52rem 1.1rem;
  box-sizing: border-box;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.12), rgba(196, 181, 253, 0.06));
  border: 1px solid rgba(103, 232, 249, 0.22);
  border-radius: 100px;
  box-shadow:
    0 0 32px rgba(34, 211, 238, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  animation: heroLabelGlow 5.5s ease-in-out infinite;
}

@keyframes heroLabelGlow {
  0%, 100% {
    box-shadow:
      0 0 28px rgba(34, 211, 238, 0.1),
      inset 0 1px 0 rgba(255, 255, 255, 0.06);
  }
  50% {
    box-shadow:
      0 0 48px rgba(103, 232, 249, 0.22),
      0 0 72px rgba(196, 181, 253, 0.08),
      inset 0 1px 0 rgba(255, 255, 255, 0.09);
  }
}

.hero-badge {
  font-size: 0.76rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 1.6rem;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  letter-spacing: 0.03em;
}

.hero-badge::before {
  content: "";
  width: 5px;
  height: 5px;
  background: #22c55e;
  border-radius: 50%;
  flex-shrink: 0;
}

.hero-title {
  font-size: clamp(2.6rem, 6.2vw, 4.25rem);
  font-weight: 700;
  line-height: 1.12;
  margin-bottom: 2rem;
  letter-spacing: -0.05em;
  max-width: 100%;
  overflow-wrap: anywhere;
  word-break: break-word;
  hyphens: auto;
}

.hero-title .line {
  display: block;
}

.hero-title .line:not(.accent) {
  text-shadow:
    0 0 80px rgba(34, 211, 238, 0.18),
    0 4px 24px rgba(0, 0, 0, 0.45);
}

.hero-title .line.accent {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-top: 0.12em;
}

.hero-desc {
  font-size: clamp(1.06rem, 1.5vw, 1.2rem);
  font-weight: 400;
  color: var(--text-muted);
  max-width: 560px;
  margin-inline: auto;
  margin-bottom: 3.25rem;
  line-height: 1.82;
}

.hero-cta {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  justify-content: center;
  align-items: center;
  padding: 0.45rem;
  margin-inline: auto;
  border-radius: calc(var(--radius-xl) + 6px);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0.015) 100%);
  border: 1px solid rgba(103, 232, 249, 0.12);
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.2) inset,
    0 20px 56px rgba(0, 0, 0, 0.35),
    0 0 40px rgba(34, 211, 238, 0.06);
  backdrop-filter: blur(20px) saturate(1.15);
  -webkit-backdrop-filter: blur(20px) saturate(1.15);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.95rem 2.15rem;
  font-family: var(--font-kr);
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-decoration: none;
  border-radius: var(--radius);
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease), border-color 0.35s, background 0.35s;
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.btn-primary {
  background: var(--gradient-cta);
  color: #fff;
  border-radius: calc(var(--radius) + 2px);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.12),
    0 4px 20px rgba(34, 211, 238, 0.25),
    0 12px 40px rgba(8, 145, 178, 0.15);
}

.btn-primary::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent);
  transition: left 0.7s var(--ease);
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-primary:hover {
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.15),
    0 8px 28px rgba(34, 211, 238, 0.35),
    0 0 48px rgba(103, 232, 249, 0.2);
  transform: translateY(-2px);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: calc(var(--radius) + 2px);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.btn-ghost:hover {
  border-color: var(--accent-border);
  color: var(--text);
  background: rgba(103, 232, 249, 0.06);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 0 24px rgba(34, 211, 238, 0.08);
  transform: translateY(-2px);
}

.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.24em;
  color: var(--text-muted);
}

.scroll-line {
  width: 1px;
  height: 36px;
  background: linear-gradient(to bottom, rgba(6,182,212,0.4), transparent);
  border-radius: 1px;
  animation: scrollPulse 3s var(--ease) infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.2; transform: scaleY(0.65); }
  50% { opacity: 0.85; transform: scaleY(1); }
}

/* Stats Bar */
.hero-stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
  margin-top: 4.25rem;
  padding: 2.25rem 3.25rem;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
  border: 1px solid rgba(103, 232, 249, 0.12);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(28px) saturate(1.2);
  -webkit-backdrop-filter: blur(28px) saturate(1.2);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.04) inset,
    0 20px 56px rgba(0, 0, 0, 0.35);
  transition: box-shadow 0.5s var(--ease), border-color 0.5s var(--ease);
}

.hero-stats:hover {
  border-color: rgba(103, 232, 249, 0.22);
  box-shadow:
    0 0 0 1px rgba(103, 232, 249, 0.08) inset,
    0 0 48px rgba(34, 211, 238, 0.08),
    0 24px 64px rgba(0, 0, 0, 0.4);
}

.hero-stat {
  text-align: center;
  padding: 0 2.5rem;
  transition: opacity 0.35s var(--ease);
}

.hero-stat:not(:last-child) {
  border-right: 1px solid var(--border);
}

.hero-stat:first-child {
  padding-left: 0;
}

.hero-stat:last-child {
  padding-right: 0;
}

.hero-stat:hover {
  opacity: 0.95;
}

.hero-stat-value {
  font-family: var(--font-mono);
  font-size: 1.65rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-stat-label {
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* ----- Sections common ----- */
.section {
  padding: 8.75rem 0;
  position: relative;
}

.section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(100%, var(--container));
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(103, 232, 249, 0.15) 22%,
    rgba(196, 181, 253, 0.12) 50%,
    rgba(103, 232, 249, 0.15) 78%,
    transparent 100%
  );
}

.hero + .section::before {
  display: none;
}

/* ----- Promo: 통합물류솔루션 · 구매대행 · 배대지 솔루션 분양 ----- */
.promo-solution {
  padding: 5.5rem 0;
  background:
    radial-gradient(ellipse 75% 55% at 50% 0%, rgba(34, 211, 238, 0.1) 0%, transparent 58%),
    radial-gradient(ellipse 45% 42% at 92% 35%, rgba(196, 181, 253, 0.08) 0%, transparent 48%),
    radial-gradient(ellipse 40% 50% at 8% 60%, rgba(8, 145, 178, 0.05) 0%, transparent 45%);
}

.promo-solution-card {
  position: relative;
  max-width: 880px;
  margin-inline: auto;
  padding: clamp(2rem, 4.5vw, 3.25rem) clamp(1.35rem, 4vw, 2.75rem);
  background:
    linear-gradient(165deg, rgba(18, 28, 42, 0.75) 0%, rgba(8, 12, 22, 0.88) 100%);
  border: 1px solid rgba(103, 232, 249, 0.16);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(24px) saturate(1.2);
  -webkit-backdrop-filter: blur(24px) saturate(1.2);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.05) inset,
    0 0 60px rgba(34, 211, 238, 0.06),
    0 32px 80px rgba(0, 0, 0, 0.45);
  text-align: left;
}

.promo-solution-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(
    145deg,
    rgba(103, 232, 249, 0.45),
    rgba(196, 181, 253, 0.2) 42%,
    transparent 68%
  );
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.promo-solution-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.12), transparent);
  border-radius: 1px;
  pointer-events: none;
}

.promo-solution-inner {
  position: relative;
  z-index: 1;
  max-width: 38rem;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.promo-solution-head {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.promo-solution-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  margin: 0;
  width: fit-content;
  max-width: 100%;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  color: var(--accent);
  text-transform: uppercase;
}

.promo-solution-kicker::before {
  content: "";
  flex-shrink: 0;
  width: 3px;
  height: 1.05rem;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--accent-hover), var(--accent2));
}

.promo-solution-title {
  margin: 0;
  font-size: clamp(1.35rem, 2.75vw, 1.95rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.28;
  color: var(--text);
}

.promo-solution-desc {
  margin: 0;
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-muted);
  line-height: 1.75;
}

.promo-solution-body {
  margin: 0;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border-strong);
}

.promo-solution-list {
  counter-reset: promo-point;
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.promo-solution-list li {
  counter-increment: promo-point;
  display: grid;
  grid-template-columns: 2.35rem 1fr;
  gap: 0.85rem 1rem;
  align-items: start;
  padding: 1rem 1.1rem;
  font-size: 0.9rem;
  line-height: 1.58;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease), transform 0.3s var(--ease-out);
}

.promo-solution-list li:hover {
  border-color: rgba(103, 232, 249, 0.2);
  box-shadow: 0 0 24px rgba(34, 211, 238, 0.06);
  transform: translateX(2px);
}

.promo-solution-list li::before {
  content: counter(promo-point, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--accent);
  line-height: 1.58;
  padding-top: 0.12em;
}

.promo-solution-foot {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  margin: 0;
  padding-top: 0.15rem;
}

.promo-solution-cta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin: 0;
}

.promo-solution-cta .btn {
  width: 100%;
  min-height: 3rem;
}

.promo-solution-note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  line-height: 1.55;
  color: var(--text-muted);
  opacity: 1;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  color: var(--accent-hover);
  margin-bottom: 0.65rem;
  text-transform: uppercase;
  display: inline-flex;
  padding: 0.35rem 1rem;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.1), rgba(196, 181, 253, 0.05));
  border: 1px solid rgba(103, 232, 249, 0.18);
  border-radius: 100px;
  box-shadow: 0 0 24px rgba(34, 211, 238, 0.06);
}

.section-slogan {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  color: var(--accent);
  margin-bottom: 0.55rem;
  text-transform: uppercase;
  display: block;
}

.section-title {
  font-size: clamp(1.95rem, 3.8vw, 2.9rem);
  font-weight: 700;
  letter-spacing: -0.05em;
  margin-bottom: 1.35rem;
  color: var(--text);
  line-height: 1.18;
  position: relative;
  padding-bottom: 0.15rem;
}

.section-title::after {
  content: "";
  display: block;
  width: 3.25rem;
  height: 3px;
  margin-top: 1rem;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  box-shadow: 0 0 20px rgba(103, 232, 249, 0.35);
}

.section-desc {
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--text-muted);
  max-width: 600px;
  margin-bottom: 3rem;
  line-height: 1.82;
}

/* ----- Why (Pillars) ----- */
.why .section-desc {
  margin-bottom: 3rem;
}

.pillars {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.65rem;
  perspective: none;
}

.pillar {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2.4rem;
  transition: transform 0.45s var(--ease-out), box-shadow 0.45s var(--ease), border-color 0.35s, background 0.35s;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
  transform: translateZ(0);
}

.pillar::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 2px;
  height: 0;
  background: var(--gradient-text);
  border-radius: 0 0 2px 2px;
  transition: height 0.4s var(--ease-out);
}

.pillar:hover {
  border-color: rgba(103, 232, 249, 0.18);
  background: var(--bg-card-hover);
  box-shadow: var(--glow-card);
  transform: translateY(-6px);
}

.pillar:hover::before {
  height: 100%;
}

.pillar-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.75rem;
  display: block;
}

.pillar h3 {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.6rem;
}

.pillar p {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ----- AI Section ----- */
.ai {
  position: relative;
  background: var(--bg-elevated);
}

.ai-bg {
  position: absolute;
  inset: 0;
}

.ai-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 28% at 30% 100%, rgba(34, 211, 238, 0.09) 0%, transparent 52%),
    radial-gradient(ellipse 42% 26% at 70% 100%, rgba(196, 181, 253, 0.07) 0%, transparent 50%);
}

.ai-glow {
  position: absolute;
  bottom: -5%;
  left: 50%;
  transform: translateX(-50%);
  width: 400px;
  height: 200px;
  background: conic-gradient(from 0deg, rgba(6,182,212,0.12), rgba(167,139,250,0.08), rgba(6,182,212,0.04), rgba(167,139,250,0.1));
  filter: blur(50px);
  pointer-events: none;
  border-radius: 50%;
}

.ai-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.35rem;
  margin-bottom: 3rem;
  perspective: none;
}

.ai-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.1rem 2rem;
  transition: transform 0.45s var(--ease-out), box-shadow 0.45s var(--ease), border-color 0.35s, background 0.35s;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  overflow: hidden;
  transform: translateZ(0);
}

.ai-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gradient-border);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}

.ai-card:hover {
  border-color: rgba(103, 232, 249, 0.18);
  background: var(--bg-card-hover);
  box-shadow: var(--glow-card);
  transform: translateY(-6px);
}

.ai-card:hover::after {
  opacity: 1;
}

.ai-icon {
  font-size: 1.3rem;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  border: 1px solid rgba(6,182,212,0.1);
  border-radius: 12px;
  color: var(--accent);
  margin-bottom: 0.85rem;
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease);
}

.ai-card:hover .ai-icon {
  transform: scale(1.04);
  box-shadow: 0 0 28px rgba(34, 211, 238, 0.15);
}

.ai-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  display: block;
}

.ai-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.ai-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* AI Live Demo */
.ai-live {
  background: linear-gradient(165deg, rgba(14, 20, 32, 0.9) 0%, rgba(6, 9, 16, 0.95) 100%);
  border: 1px solid rgba(103, 232, 249, 0.12);
  border-radius: var(--radius-xl);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.03) inset,
    0 24px 56px rgba(0, 0, 0, 0.3);
}

.ai-live::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gradient-border);
}

.ai-live-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 1.25rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.ai-live-label::before {
  content: "";
  width: 6px;
  height: 6px;
  background: #22c55e;
  border-radius: 50%;
  animation: livePulse 1.5s ease infinite;
}

@keyframes livePulse {
  0%, 100% { opacity: 0.5; box-shadow: 0 0 0 0 rgba(34,197,94,0.4); }
  50% { opacity: 1; box-shadow: 0 0 0 4px rgba(34,197,94,0); }
}

.ai-live-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.ai-live-step {
  background: var(--bg-elevated);
  border-radius: var(--radius);
  padding: 1.25rem;
  border: 1px solid var(--border);
  transition: border-color 0.2s;
}

.ai-live-step:hover {
  border-color: var(--border-strong);
}

.ai-live-step.highlight {
  border-color: rgba(34,197,94,0.4);
  background: rgba(34,197,94,0.05);
  box-shadow: 0 0 0 1px rgba(34,197,94,0.15);
  animation: stepHighlight 2.5s ease-in-out infinite;
}

@keyframes stepHighlight {
  0%, 100% { box-shadow: 0 0 0 1px rgba(34,197,94,0.15); }
  50% { box-shadow: 0 0 0 1px rgba(34,197,94,0.25), 0 0 20px rgba(34,197,94,0.08); }
}

.step-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  display: block;
}

.step-result strong {
  font-family: var(--font-mono);
  color: var(--accent);
  font-weight: 500;
}

.step-input,
.step-output,
.step-result {
  font-size: 0.85rem;
  color: var(--text);
  line-height: 1.5;
}

.step-output,
.step-result {
  color: var(--text-muted);
}

.ai-cta-link {
  font-size: 0.92rem;
  font-weight: 500;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  transition: gap 0.3s, transform 0.2s;
}

.ai-cta-link:hover {
  gap: 0.6rem;
  transform: translateX(2px);
}

.ai-cta-link:focus-visible,
.demo-link:focus-visible {
  outline: none;
  border-radius: 4px;
  box-shadow: 0 0 0 2px var(--accent);
}

/* ----- Targets ----- */
.target-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.65rem;
  perspective: none;
}

.target-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.6rem 2.35rem;
  text-align: center;
  transition: transform 0.45s var(--ease-out), box-shadow 0.45s var(--ease), border-color 0.35s, background 0.35s;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
  transform: translateZ(0);
}

.target-card::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gradient-border);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}

.target-card:hover {
  border-color: rgba(103, 232, 249, 0.18);
  background: var(--bg-card-hover);
  box-shadow: var(--glow-card);
  transform: translateY(-6px);
}

.target-card:hover::after {
  opacity: 1;
}

.target-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.target-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ----- Demo ----- */
.demo-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--accent-hover);
  margin-bottom: 2rem;
  padding: 0.38rem 1rem;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.1), rgba(196, 181, 253, 0.05));
  border: 1px solid rgba(103, 232, 249, 0.18);
  border-radius: 100px;
  box-shadow: 0 0 20px rgba(34, 211, 238, 0.06);
}

.demo-badge::before {
  content: "✓";
  color: #22c55e;
}

.demo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.65rem;
  perspective: none;
}

.demo-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.15rem 2rem;
  transition: transform 0.45s var(--ease-out), box-shadow 0.45s var(--ease), border-color 0.35s, background 0.35s;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
  transform: translateZ(0);
}

.demo-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--gradient-border);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s var(--ease-out);
}

.demo-card:hover {
  border-color: rgba(103, 232, 249, 0.18);
  background: var(--bg-card-hover);
  box-shadow: var(--glow-card);
  transform: translateY(-6px);
}

.demo-card:hover::before {
  transform: scaleX(1);
}

.demo-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
  display: block;
}

.demo-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.demo-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  line-height: 1.5;
}

.demo-link {
  font-size: 0.88rem;
  font-weight: 500;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  transition: gap 0.3s, transform 0.2s;
}

.demo-link:hover {
  gap: 0.5rem;
  transform: translateX(2px);
}

/* ----- CTA ----- */
.cta {
  position: relative;
  padding: 9rem 0;
  text-align: center;
}

.cta-bg {
  position: absolute;
  inset: 0;
}

.cta-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 55% 40% at 38% 48%, rgba(34, 211, 238, 0.1) 0%, transparent 58%),
    radial-gradient(ellipse 48% 36% at 68% 52%, rgba(196, 181, 253, 0.08) 0%, transparent 52%),
    radial-gradient(ellipse 80% 60% at 50% 100%, rgba(8, 145, 178, 0.06) 0%, transparent 45%);
}

.cta-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 560px;
  height: 560px;
  border-radius: 50%;
  background: conic-gradient(
    from 90deg,
    rgba(103, 232, 249, 0.12),
    rgba(196, 181, 253, 0.07),
    rgba(34, 211, 238, 0.05),
    rgba(167, 139, 250, 0.09),
    rgba(103, 232, 249, 0.12)
  );
  filter: blur(80px);
  pointer-events: none;
  animation: ctaOrbRotate 32s linear infinite;
}

@keyframes ctaOrbRotate {
  0% { transform: translate(-50%, -50%) rotate(0deg); opacity: 0.95; }
  100% { transform: translate(-50%, -50%) rotate(360deg); opacity: 0.95; }
}

.cta-inner {
  position: relative;
}

.cta-title {
  font-size: clamp(1.95rem, 3.8vw, 2.9rem);
  font-weight: 700;
  letter-spacing: -0.05em;
  margin-bottom: 1.35rem;
  line-height: 1.18;
  text-shadow: 0 0 60px rgba(34, 211, 238, 0.12);
}

.cta-title::after {
  content: "";
  display: block;
  width: 3.5rem;
  height: 3px;
  margin: 1.1rem auto 0;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  box-shadow: 0 0 28px rgba(103, 232, 249, 0.45);
}

.cta-desc {
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--text-muted);
  max-width: 480px;
  margin-inline: auto;
  margin-bottom: 1.25rem;
  line-height: 1.78;
}

.cta-sub {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--accent);
  margin-bottom: 1.85rem;
  text-transform: uppercase;
}

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  justify-content: center;
}

/* ----- Footer ----- */
.footer {
  padding: 3.5rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: inset 0 1px 0 rgba(103, 232, 249, 0.06);
  background: linear-gradient(180deg, rgba(8, 12, 20, 0.55) 0%, transparent 65%);
}

.footer-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.75rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.footer-tagline {
  font-size: 0.78rem;
  font-weight: 400;
  color: var(--text-muted);
  letter-spacing: 0.02em;
  line-height: 1.5;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.4rem;
}

.footer-link {
  font-size: 0.84rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.25s var(--ease);
  letter-spacing: 0.02em;
}

.footer-link:hover {
  color: var(--accent);
}

.footer-link:focus-visible {
  outline: none;
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer-address {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.footer-copy {
  width: 100%;
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  text-align: center;
  margin-top: 0.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}

/* ----- Reveal animation (stagger) ----- */
.reveal {
  opacity: 0;
  transform: translateY(24px) scale(0.995);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}

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

.pillars .reveal:nth-child(1) { transition-delay: 0.05s; }
.pillars .reveal:nth-child(2) { transition-delay: 0.1s; }
.pillars .reveal:nth-child(3) { transition-delay: 0.15s; }
.pillars .reveal:nth-child(4) { transition-delay: 0.2s; }

.ai-features .reveal:nth-child(1) { transition-delay: 0.05s; }
.ai-features .reveal:nth-child(2) { transition-delay: 0.1s; }
.ai-features .reveal:nth-child(3) { transition-delay: 0.15s; }
.ai-features .reveal:nth-child(4) { transition-delay: 0.2s; }

.target-grid .reveal:nth-child(1) { transition-delay: 0.05s; }
.target-grid .reveal:nth-child(2) { transition-delay: 0.1s; }
.target-grid .reveal:nth-child(3) { transition-delay: 0.15s; }

.demo-grid .reveal:nth-child(1) { transition-delay: 0.03s; }
.demo-grid .reveal:nth-child(2) { transition-delay: 0.06s; }
.demo-grid .reveal:nth-child(3) { transition-delay: 0.09s; }
.demo-grid .reveal:nth-child(4) { transition-delay: 0.12s; }
.demo-grid .reveal:nth-child(5) { transition-delay: 0.15s; }
.demo-grid .reveal:nth-child(6) { transition-delay: 0.18s; }

.hero-stats .hero-stat:nth-child(1) { transition-delay: 0.1s; }
.hero-stats .hero-stat:nth-child(2) { transition-delay: 0.2s; }
.hero-stats .hero-stat:nth-child(3) { transition-delay: 0.3s; }

/* ----- Responsive ----- */
@media (max-width: 768px) {
  body {
    background-attachment: scroll;
  }

  .trust-bar {
    display: block;
    padding: 0.55rem 0;
  }

  .trust-bar-inner > .trust-item:not(.trust-promo),
  .trust-bar-inner > .trust-dot {
    display: none;
  }

  .trust-bar-inner {
    gap: 0;
    justify-content: center;
  }

  .trust-promo {
    font-size: 0.68rem;
    letter-spacing: 0.07em;
    line-height: 1.45;
    text-align: center;
    max-width: 100%;
    padding: 0 0.75rem;
    word-break: break-word;
    overflow-wrap: anywhere;
  }

  .hero {
    padding: 2.5rem 0 5rem;
  }

  .hero-label {
    letter-spacing: 0.12em;
    font-size: 0.58rem;
    padding: 0.48rem 0.85rem;
    border-radius: 14px;
  }

  .hero-content::before {
    width: 94vw;
    height: min(82vh, 620px);
    border-radius: var(--radius-lg);
  }

  .hero-cta {
    flex-direction: column;
    width: min(100%, 22rem);
    padding: 0.5rem;
  }

  .hero-cta .btn {
    width: 100%;
  }

  .header-rates {
    display: none;
  }

  .nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(280px, 85vw);
    background: var(--bg-elevated);
    border-left: 1px solid var(--border);
    flex-direction: column;
    align-items: stretch;
    padding: 4rem 1.5rem 2rem;
    gap: 0;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    box-shadow: -8px 0 24px rgba(0, 0, 0, 0.4);
  }

  .nav.open {
    transform: translateX(0);
  }

  .nav a {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 1rem;
  }

  .nav a::after { display: none; }

  .nav-cta {
    margin-top: 1rem;
    border: none;
  }

  .nav-login {
    margin-left: 0;
    margin-top: 0.45rem;
    width: auto;
    align-self: flex-start;
    box-sizing: border-box;
    justify-content: center;
    padding: 0.28rem 0.62rem;
    font-size: 0.68rem;
  }

  .lang-switcher {
    margin-left: 0;
    margin-top: 1rem;
    align-self: center;
  }

  .menu-btn {
    display: flex;
    z-index: 101;
  }

  .menu-btn.open span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .menu-btn.open span:nth-child(2) {
    opacity: 0;
  }

  .menu-btn.open span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .menu-btn span {
    transition: transform 0.25s, opacity 0.25s;
  }

  body.menu-open::after {
    content: "";
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
  }

  .hero-desc br {
    display: none;
  }

  .section {
    padding: 5rem 0;
  }

  .promo-solution {
    padding: 4rem 0;
  }

  .promo-solution-card {
    padding: 1.75rem 1.25rem;
  }

  .promo-solution-inner {
    gap: 1.65rem;
  }

  .promo-solution-body {
    padding-top: 1.5rem;
  }

  .promo-solution-cta {
    grid-template-columns: 1fr;
  }

  .pillars,
  .target-grid,
  .demo-grid {
    grid-template-columns: 1fr;
  }

  .ai-features {
    grid-template-columns: 1fr;
  }

  .ai-live-grid {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    flex-direction: column;
    gap: 0;
    padding: 1.5rem 1.5rem;
  }

  .hero-stat {
    padding: 1rem 0;
    border-right: none !important;
    border-bottom: 1px solid var(--border);
  }

  .hero-stat:last-child {
    border-bottom: none;
  }

  .pillar:hover,
  .ai-card:hover,
  .target-card:hover,
  .demo-card:hover {
    transform: translateY(-2px);
  }

  .cta {
    padding: 6rem 0;
  }

  .footer-inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .footer-contact {
    align-items: center;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .pillars {
    grid-template-columns: repeat(2, 1fr);
  }
  .demo-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-label {
    animation: none;
  }
}