/* =========================================================
   Warudo Korea — Landing Page
   Style palette derived from warudo.app
   ========================================================= */

:root {
  --bg-0: #0c0e14;
  --bg-1: #16181d;
  --bg-2: #181b21;
  --bg-3: #2b2f39;
  --bg-card: #1e2129;

  --line: rgba(255, 255, 255, 0.08);

  --text-0: #ffffff;
  --text-1: #e6e7ec;
  --text-2: #a9adb8;
  --text-3: #7a7f8c;

  --accent-cyan: #00f0ff;
  --accent-blue: #228bed;
  --accent-blue-2: #327efb;
  --accent-pink: #ff3f5a;
  --accent-orange: #f58930;

  --grad-hero: linear-gradient(135deg, #00f0ff 0%, #228bed 45%, #4545e8 100%);
  --grad-cta:  linear-gradient(135deg, #228bed 0%, #4545e8 100%);
  --grad-sec:  linear-gradient(180deg, #16181d 0%, #1a1d26 100%);
  --grad-sec2: linear-gradient(180deg, #181b21 0%, #14161c 100%);

  --font-body: "Noto Sans KR", "Radio Canada", "Helvetica Neue", Arial, sans-serif;
  --font-head: "Radio Canada", "Noto Sans KR", "Helvetica Neue", Arial, sans-serif;

  --header-h: 68px;

  --max-w: 1200px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg-0);
  color: var(--text-1);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a { color: var(--text-1); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--accent-cyan); }

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

.only-mobile { display: none; }
@media (max-width: 640px) { .only-mobile { display: inline; } }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-family: var(--font-head);
  font-weight: 700; letter-spacing: 0.02em;
  font-size: 15px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
  white-space: nowrap;
}
.btn-sm { padding: 9px 18px; font-size: 13px; }
.btn-primary {
  background: var(--grad-cta);
  color: #fff;
  box-shadow: 0 8px 24px rgba(50, 126, 251, 0.25);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(50, 126, 251, 0.4); color: #fff; }
.btn-ghost {
  background: transparent;
  color: var(--text-1);
  border: 1px solid rgba(255, 255, 255, 0.25);
}
.btn-ghost:hover { border-color: var(--accent-cyan); color: var(--accent-cyan); background: rgba(0, 240, 255, 0.06); }

/* ===== HEADER ===== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--header-h);
  background: rgba(12, 14, 20, 0.85);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  height: 100%;
}
.brand { display: inline-flex; align-items: center; }
.brand-logo { height: 26px; width: auto; }

.primary-nav { display: flex; gap: 26px; }
.primary-nav a {
  color: var(--text-2); font-size: 14px; font-weight: 500;
  padding: 6px 0; position: relative;
}
.primary-nav a:hover { color: var(--text-0); }

.header-actions { display: flex; align-items: center; gap: 14px; }
.distributor-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.12), rgba(69, 69, 232, 0.14));
  border: 1px solid rgba(0, 240, 255, 0.35);
  color: var(--text-0);
  font-size: 12px; font-weight: 600;
  letter-spacing: 0.01em;
}
.distributor-badge .star { color: var(--accent-cyan); font-size: 14px; }

@media (max-width: 960px) {
  .primary-nav { display: none; }
  .distributor-badge { display: none; }
}
@media (max-width: 520px) {
  .brand-logo { height: 22px; }
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center;
  padding-top: calc(var(--header-h) + 40px);
  padding-bottom: 60px;
  overflow: hidden;
  background: #0c0e14;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.hero-bg-img {
  width: 100%; height: 100%; object-fit: cover;
  opacity: 0.35;
  filter: saturate(120%) blur(0.5px);
}
.hero-bg-front {
  position: absolute; right: -6%; bottom: 0;
  width: min(58vw, 720px);
  opacity: 0.85;
  z-index: 1;
  pointer-events: none;
}
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(180deg, rgba(12, 14, 20, 0.55) 0%, rgba(12, 14, 20, 0.85) 65%, #0c0e14 100%);
}
.hero-inner { position: relative; z-index: 2; max-width: 860px; }

.hero-eyebrow {
  font-family: var(--font-head);
  font-size: 13px; font-weight: 700; letter-spacing: 0.3em;
  color: var(--accent-cyan);
  margin: 0 0 16px;
  text-transform: uppercase;
}

.hero-title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(38px, 6.5vw, 76px);
  line-height: 1.08;
  margin: 0 0 24px;
  letter-spacing: -0.01em;
  color: var(--text-0);
}
.grad-text {
  background: var(--grad-hero);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}

.hero-sub {
  font-size: 17px;
  color: var(--text-2);
  max-width: 720px;
  margin: 0 0 36px;
  line-height: 1.75;
}

.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 40px; }

.hero-badge-strip { display: flex; }
.korea-badge {
  display: inline-flex; align-items: center; gap: 14px;
  padding: 14px 20px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.08), rgba(69, 69, 232, 0.10));
  border: 1px solid rgba(0, 240, 255, 0.28);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.korea-badge .star { color: var(--accent-cyan); font-size: 20px; }
.korea-badge strong { display: block; color: var(--text-0); font-size: 15px; font-weight: 700; }
.korea-badge span { display: block; color: var(--text-2); font-size: 13px; }
.korea-badge-logo { height: 32px; width: auto; margin-left: 6px; opacity: 0.9; }

.hero-scroll {
  position: absolute; left: 50%; bottom: 30px; transform: translateX(-50%);
  z-index: 5;
  width: 22px; height: 36px;
  border: 2px solid rgba(255,255,255,0.35);
  border-radius: 16px;
}
.hero-scroll span {
  position: absolute; top: 6px; left: 50%; transform: translateX(-50%);
  width: 3px; height: 8px;
  background: var(--accent-cyan);
  border-radius: 2px;
  animation: scroll-dot 1.8s ease infinite;
}
@keyframes scroll-dot {
  0%   { top: 6px; opacity: 1; }
  60%  { top: 20px; opacity: 0.2; }
  100% { top: 6px; opacity: 1; }
}

/* ===== SECTIONS ===== */
.feature-block, .partners, .pricing, .purchase, .faq, .final-cta {
  padding: 120px 0;
  position: relative;
}
.section-dark { background: var(--grad-sec2); }
.section-gradient {
  background:
    radial-gradient(1200px 400px at 10% 0%, rgba(0, 240, 255, 0.08), transparent 60%),
    radial-gradient(1000px 400px at 90% 100%, rgba(69, 69, 232, 0.12), transparent 60%),
    var(--grad-sec);
}

.section-head { max-width: 780px; margin-bottom: 56px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head .eyebrow, .eyebrow {
  font-family: var(--font-head);
  font-size: 12px; font-weight: 700; letter-spacing: 0.32em;
  color: var(--accent-cyan);
  margin: 0 0 14px;
  text-transform: uppercase;
}
.section-head h2 {
  font-family: var(--font-head);
  font-size: clamp(28px, 3.4vw, 44px);
  font-weight: 800;
  line-height: 1.2;
  margin: 0 0 20px;
  color: var(--text-0);
  letter-spacing: -0.005em;
}
.section-head .lead {
  color: var(--text-2);
  font-size: 16.5px;
  line-height: 1.8;
  margin: 0;
}

/* ===== FEATURE GRID ===== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 20px;
  overflow: hidden;
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 240, 255, 0.35);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}
.feature-media {
  aspect-ratio: 16 / 10;
  background: #0f1218;
  overflow: hidden;
}
.feature-media video, .feature-media img { width: 100%; height: 100%; object-fit: cover; }
.feature-media.video-poster { background-size: cover; background-position: center; }
.feature-body { padding: 26px 26px 30px; }
.feature-body h3 { margin: 0 0 10px; font-family: var(--font-head); font-size: 20px; font-weight: 700; color: var(--text-0); }
.feature-body p { margin: 0; color: var(--text-2); font-size: 14.5px; line-height: 1.75; }

@media (max-width: 900px) {
  .feature-grid { grid-template-columns: 1fr; }
}

/* ===== TAG GRID ===== */
.tag-grid {
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: center;
  max-width: 900px; margin: 0 auto;
}
.tag-grid span {
  display: inline-flex;
  padding: 10px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  color: var(--text-1);
  font-size: 14px; font-weight: 500;
  transition: background .2s ease, border-color .2s ease, color .2s ease, transform .2s ease;
}
.tag-grid span:hover {
  background: rgba(0, 240, 255, 0.08);
  border-color: rgba(0, 240, 255, 0.4);
  color: var(--accent-cyan);
  transform: translateY(-2px);
}

/* ===== TWO-COL ===== */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.two-col.reverse .two-col-media { order: 2; }
.two-col-media {
  border-radius: 20px;
  overflow: hidden;
  background: #0f1218;
  border: 1px solid var(--line);
  aspect-ratio: 16 / 10;
}
.two-col-media video, .two-col-media img { width: 100%; height: 100%; object-fit: cover; }
.two-col-text h2 {
  font-family: var(--font-head);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 800;
  color: var(--text-0);
  margin: 8px 0 18px;
  line-height: 1.2;
}
.two-col-text p { color: var(--text-2); font-size: 16px; line-height: 1.8; }
.two-col-text p.dim { color: var(--text-3); font-size: 14.5px; }

.check-list { list-style: none; padding: 0; margin: 20px 0 0; }
.check-list li {
  padding-left: 28px;
  position: relative;
  color: var(--text-1);
  margin-bottom: 10px;
  font-size: 15px;
}
.check-list li::before {
  content: "▸";
  position: absolute; left: 8px; top: 0;
  color: var(--accent-cyan);
}

.blueprint-features { display: grid; gap: 14px; margin-top: 26px; }
.blueprint-features > div {
  padding: 14px 18px;
  border-radius: 12px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line);
}
.blueprint-features strong { display: block; color: var(--text-0); font-weight: 700; margin-bottom: 4px; }
.blueprint-features span { color: var(--text-2); font-size: 13.5px; }

@media (max-width: 900px) {
  .two-col { grid-template-columns: 1fr; gap: 30px; }
  .two-col.reverse .two-col-media { order: 0; }
}

/* ===== TRIPLE GRID ===== */
.triple-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.triple-card {
  padding: 32px 26px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 18px;
  transition: transform .3s ease, border-color .3s ease;
}
.triple-card:hover { transform: translateY(-4px); border-color: rgba(0, 240, 255, 0.35); }
.triple-card h3 { margin: 0 0 12px; font-family: var(--font-head); font-size: 18px; font-weight: 700; color: var(--text-0); }
.triple-card p { margin: 0; color: var(--text-2); font-size: 14.5px; line-height: 1.75; }
@media (max-width: 900px) {
  .triple-grid { grid-template-columns: 1fr; }
}

/* ===== PARTNERS ===== */
.partner-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 24px;
  align-items: center;
}
.partner-grid img {
  width: 100%; height: 60px; object-fit: contain;
  filter: brightness(0) invert(1);
  opacity: 0.55;
  transition: opacity .2s ease, filter .2s ease, transform .2s ease;
}
.partner-grid img:hover { opacity: 1; transform: translateY(-2px); }
.partner-grid img.highlight {
  opacity: 1;
  filter: none;
  padding: 8px;
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.4);
  border-radius: 12px;
  box-shadow: 0 0 24px rgba(0, 240, 255, 0.18);
}
@media (max-width: 900px) { .partner-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 480px) { .partner-grid { grid-template-columns: repeat(2, 1fr); } }

/* ===== PRICING ===== */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  max-width: 960px; margin: 0 auto;
}
.pricing-card {
  position: relative;
  padding: 40px 32px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 22px;
}
.pricing-card.featured {
  background: linear-gradient(180deg, rgba(0, 240, 255, 0.08), rgba(69, 69, 232, 0.10)), var(--bg-card);
  border-color: rgba(0, 240, 255, 0.4);
  box-shadow: 0 20px 60px rgba(0, 240, 255, 0.12);
}
.ribbon {
  position: absolute; top: -12px; right: 24px;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--grad-cta);
  color: #fff;
  font-size: 11.5px; font-weight: 700; letter-spacing: 0.06em;
}
.pricing-card h3 { margin: 0 0 12px; font-family: var(--font-head); font-size: 22px; font-weight: 800; color: var(--text-0); }
.pricing-card .price { margin: 0 0 24px; }
.pricing-card .price span {
  font-family: var(--font-head);
  font-size: 34px; font-weight: 900; color: var(--text-0);
}
.pricing-card .price small { display: block; font-size: 13px; color: var(--text-3); margin-top: 4px; }
.pricing-card ul { list-style: none; padding: 0; margin: 0 0 28px; }
.pricing-card li {
  padding-left: 24px; position: relative;
  color: var(--text-2); font-size: 14.5px; line-height: 1.65;
  margin-bottom: 8px;
}
.pricing-card li::before {
  content: "✓"; position: absolute; left: 0; top: 0;
  color: var(--accent-cyan); font-weight: 700;
}
.fine {
  text-align: center; color: var(--text-3); font-size: 13px;
  margin-top: 30px;
}
.fine a { color: var(--text-2); text-decoration: underline; text-underline-offset: 3px; }

@media (max-width: 720px) {
  .pricing-grid { grid-template-columns: 1fr; }
}

/* ===== PURCHASE / CONTACT ===== */
.contact-card {
  max-width: 900px; margin: 0 auto;
  padding: 40px;
  background: linear-gradient(160deg, rgba(0, 240, 255, 0.06), rgba(69, 69, 232, 0.08)), var(--bg-card);
  border: 1px solid rgba(0, 240, 255, 0.28);
  border-radius: 24px;
}
.contact-logo {
  display: flex; align-items: center; gap: 20px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 26px;
}
.contact-logo img { height: 46px; width: auto; }
.contact-logo .tag {
  padding: 6px 12px;
  background: rgba(0, 240, 255, 0.10);
  border: 1px solid rgba(0, 240, 255, 0.35);
  border-radius: 999px;
  font-size: 12px; letter-spacing: 0.05em; color: var(--accent-cyan);
}
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 18px 40px;
  margin: 0 0 30px;
}
.contact-grid > div { margin: 0; }
.contact-grid dt {
  font-family: var(--font-head);
  font-size: 12px; font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--text-3); margin-bottom: 4px;
  text-transform: uppercase;
}
.contact-grid dd { margin: 0; color: var(--text-1); font-size: 15px; }
.contact-grid a { color: var(--accent-cyan); }
.contact-cta { display: flex; gap: 12px; flex-wrap: wrap; }

@media (max-width: 640px) {
  .contact-card { padding: 28px 22px; }
  .contact-logo { flex-wrap: wrap; }
  .contact-grid { grid-template-columns: 1fr; }
}

/* ===== FAQ ===== */
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-list details {
  padding: 20px 26px;
  border-radius: 14px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  margin-bottom: 12px;
  transition: border-color .2s ease;
}
.faq-list details[open] { border-color: rgba(0, 240, 255, 0.35); }
.faq-list summary {
  cursor: pointer; list-style: none;
  font-family: var(--font-head);
  font-size: 16px; font-weight: 700;
  color: var(--text-0);
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+";
  color: var(--accent-cyan);
  font-size: 22px; font-weight: 400;
  transition: transform .2s ease;
}
.faq-list details[open] summary::after { content: "−"; }
.faq-list p {
  margin: 14px 0 0;
  color: var(--text-2);
  font-size: 15px; line-height: 1.8;
}
.faq-list p strong { color: var(--text-0); }

/* ===== FINAL CTA ===== */
.final-cta .center { text-align: center; }
.final-cta h2 {
  font-family: var(--font-head);
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 900; color: var(--text-0);
  margin: 12px 0 18px; line-height: 1.2;
}
.final-cta .lead { color: var(--text-2); font-size: 16.5px; margin: 0 auto 32px; max-width: 640px; }
.final-cta .hero-cta { justify-content: center; margin-bottom: 0; }

/* ===== FOOTER ===== */
.site-footer {
  background: #08090d;
  padding-top: 72px;
  border-top: 1px solid var(--line);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.5fr;
  gap: 40px;
  padding-bottom: 50px;
}
.footer-brand img { height: 28px; width: auto; margin-bottom: 14px; }
.footer-brand p { margin: 0; }
.dim { color: var(--text-3); }
.small { font-size: 13px; }

.footer-col h4 {
  font-family: var(--font-head);
  font-size: 13px; font-weight: 700; letter-spacing: 0.16em;
  color: var(--text-1); text-transform: uppercase;
  margin: 0 0 16px;
}
.footer-col a {
  display: block;
  color: var(--text-2);
  font-size: 14px;
  padding: 4px 0;
}
.footer-col a:hover { color: var(--accent-cyan); }
.footer-col.korea p { margin: 4px 0; color: var(--text-2); font-size: 14px; }
.footer-col.korea p strong { color: var(--text-0); font-size: 15px; }

.footer-legal {
  border-top: 1px solid var(--line);
  padding: 26px 0 40px;
}
.footer-legal p { margin: 0 0 6px; color: var(--text-3); font-size: 13px; }
.footer-legal p.dim { color: var(--text-3); }
.footer-legal a { color: var(--text-2); text-decoration: underline; text-underline-offset: 3px; }

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
}
@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; }
  .feature-block, .partners, .pricing, .purchase, .faq, .final-cta { padding: 80px 0; }
  .hero { padding-top: calc(var(--header-h) + 20px); }
  .hero-bg-front { display: none; }
}