/* 업소가이드 — Telegram-first static styles */
:root {
  --bg-deep: #07090f;
  --bg: #0d1320;
  --bg-soft: #111a2c;
  --surface: #161f33;
  --surface-2: #1c2740;
  --border: #2a3550;
  --border-soft: rgba(255, 255, 255, 0.06);

  --text: #eef2fa;
  --text-soft: #c2cbdc;
  --text-muted: #8995ad;

  --accent: #4f8dff;
  --accent-hover: #6ea2ff;

  --tg: #2aabee;
  --tg-hover: #3fb6f0;
  --tg-soft: rgba(42, 171, 238, 0.14);
  --tg-glow: 0 12px 36px rgba(42, 171, 238, 0.28);

  --radius-sm: 10px;
  --radius: 14px;
  --radius-lg: 20px;

  --shadow-card: 0 6px 24px rgba(0, 0, 0, 0.35);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family:
    "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont,
    "Segoe UI", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg-deep);
  background-image:
    radial-gradient(ellipse 70% 50% at 50% 0%, rgba(42, 171, 238, 0.12), transparent 60%),
    radial-gradient(ellipse 50% 40% at 90% 30%, rgba(79, 141, 255, 0.08), transparent 70%);
  background-attachment: fixed;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--accent-hover);
}

img {
  max-width: 100%;
  height: auto;
}

.container {
  width: min(1180px, 100% - 2.5rem);
  margin-inline: auto;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 14, 24, 0.78);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--border-soft);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.9rem;
  position: relative;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: -0.03em;
  color: var(--text);
}

.logo:hover {
  color: var(--text);
  opacity: 0.92;
}

.logo-mark {
  width: 38px;
  height: 38px;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
  filter: drop-shadow(0 4px 12px rgba(42, 171, 238, 0.45));
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.5rem 0.7rem;
  border-radius: 10px;
  cursor: pointer;
  font-size: 1rem;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-open {
  display: none;
}

.nav-toggle:not([aria-expanded="true"]) .nav-toggle-close {
  display: none;
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.4rem;
  align-items: center;
}

.site-nav a {
  display: inline-block;
  color: var(--text-soft);
  font-size: 0.94rem;
  font-weight: 500;
  padding: 0.45rem 0.8rem;
  border-radius: 8px;
  transition: background 0.15s ease, color 0.15s ease;
}

.site-nav a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.site-nav a[aria-current="page"] {
  color: var(--text);
  background: rgba(42, 171, 238, 0.12);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: clamp(3rem, 7vw, 5.5rem) 0 clamp(2.75rem, 5vw, 4rem);
  text-align: center;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -1px 0 auto 0;
  height: 100%;
  background:
    radial-gradient(ellipse 60% 50% at 50% 10%, rgba(42, 171, 238, 0.18), transparent 60%);
  pointer-events: none;
}

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--tg);
  background: var(--tg-soft);
  border: 1px solid rgba(42, 171, 238, 0.3);
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  margin-bottom: 1.25rem;
}

.eyebrow svg {
  width: 14px;
  height: 14px;
}

.hero h1 {
  margin: 0 0 0.85rem;
  font-size: clamp(2.1rem, 5.5vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 1.15;
  background: linear-gradient(180deg, #ffffff 30%, #b8c8e6 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero .lead {
  margin: 0 auto;
  max-width: 42rem;
  color: var(--text-soft);
  font-size: clamp(1rem, 1.7vw, 1.15rem);
}

.hero-actions {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  justify-content: center;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.78rem 1.4rem;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.97rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.12s ease, background 0.15s ease, border-color 0.15s ease, box-shadow 0.2s ease;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.btn-tg {
  background: var(--tg);
  color: #fff;
  border-color: var(--tg);
  box-shadow: var(--tg-glow);
}

.btn-tg:hover {
  background: var(--tg-hover);
  border-color: var(--tg-hover);
  color: #fff;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #fff;
}

.btn-outline {
  background: rgba(255, 255, 255, 0.02);
  border-color: var(--border);
  color: var(--text);
}

.btn-outline:hover {
  border-color: var(--tg);
  color: #fff;
  background: rgba(42, 171, 238, 0.08);
}

.btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--text-soft);
  padding-inline: 0.6rem;
}

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

/* ===== Sections ===== */
main {
  flex: 1;
}

.section {
  padding: clamp(3rem, 6vw, 5rem) 0;
}

.section-muted {
  background:
    linear-gradient(180deg, transparent, rgba(42, 171, 238, 0.04) 50%, transparent),
    rgba(255, 255, 255, 0.015);
  border-block: 1px solid var(--border-soft);
}

.section-head {
  max-width: 48rem;
  margin: 0 auto 2.5rem;
  text-align: center;
}

.section-head.left {
  margin-inline: 0;
  text-align: left;
}

.section h2 {
  margin: 0 0 0.85rem;
  font-size: clamp(1.6rem, 3.2vw, 2.15rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.25;
}

.section-intro {
  margin: 0;
  color: var(--text-soft);
  font-size: 1.03rem;
}

/* ===== Feature grid (Why Telegram) ===== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.1rem;
}

.feature {
  background: linear-gradient(180deg, var(--surface), var(--bg-soft));
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 1.5rem 1.4rem;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.feature:hover {
  transform: translateY(-3px);
  border-color: rgba(42, 171, 238, 0.4);
  box-shadow: var(--shadow-card);
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  background: var(--tg-soft);
  color: var(--tg);
  margin-bottom: 1rem;
}

.feature-icon svg {
  width: 22px;
  height: 22px;
}

.feature h3 {
  margin: 0 0 0.4rem;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.feature p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-soft);
}

/* ===== Category cards ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.1rem;
}

.card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 1.5rem 1.35rem;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
  display: flex;
  flex-direction: column;
  min-height: 168px;
}

.card:hover {
  transform: translateY(-3px);
  border-color: rgba(42, 171, 238, 0.45);
  box-shadow: var(--shadow-card);
}

.card-badge {
  display: inline-flex;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(42, 171, 238, 0.22), rgba(79, 141, 255, 0.18));
  border: 1px solid rgba(42, 171, 238, 0.3);
  color: var(--tg);
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.95rem;
  margin-bottom: 0.85rem;
}

.card h3 {
  margin: 0 0 0.4rem;
  font-size: 1.18rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.card p {
  margin: 0;
  font-size: 0.93rem;
  color: var(--text-soft);
}

.card-link {
  margin-top: auto;
  padding-top: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--tg);
}

.card-link:hover {
  color: var(--tg-hover);
}

/* ===== Showcase / Telegram block ===== */
.showcase {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: center;
}

.showcase-text h2 {
  margin-top: 0;
}

.showcase-text p {
  color: var(--text-soft);
  margin: 0 0 1rem;
}

.showcase-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.25rem;
}

.showcase-visual {
  position: relative;
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, #1a2540, #0e1626 70%);
  border: 1px solid var(--border);
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
}

.chat-window {
  background: var(--bg-deep);
  border-radius: 14px;
  border: 1px solid var(--border-soft);
  padding: 1rem;
  font-size: 0.92rem;
}

.chat-header {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--border-soft);
  margin-bottom: 0.85rem;
}

.chat-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--tg), #1483b8);
  display: grid;
  place-items: center;
  color: #fff;
}

.chat-avatar svg {
  width: 20px;
  height: 20px;
}

.chat-title strong {
  display: block;
  font-size: 0.95rem;
  color: var(--text);
}

.chat-title span {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.bubble {
  max-width: 88%;
  padding: 0.65rem 0.9rem;
  border-radius: 14px;
  margin-bottom: 0.55rem;
  line-height: 1.5;
  word-break: keep-all;
}

.bubble.in {
  background: var(--surface-2);
  color: var(--text);
  border-top-left-radius: 4px;
}

.bubble.out {
  background: var(--tg);
  color: #fff;
  margin-left: auto;
  border-top-right-radius: 4px;
}

.bubble small {
  display: block;
  margin-top: 0.25rem;
  opacity: 0.75;
  font-size: 0.78rem;
}

/* ===== Steps ===== */
.steps {
  counter-reset: step;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.1rem;
}

.step {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 1.6rem 1.4rem 1.4rem;
}

.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  top: -16px;
  left: 1.4rem;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--tg), #1d8acb);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 0.95rem;
  box-shadow: 0 4px 14px rgba(42, 171, 238, 0.4);
}

.step h3 {
  margin: 0.3rem 0 0.4rem;
  font-size: 1.08rem;
  font-weight: 700;
}

.step p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-soft);
}

/* ===== CTA banner ===== */
.cta-banner {
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 4vw, 2.5rem);
  background:
    radial-gradient(ellipse 60% 80% at 100% 0%, rgba(42, 171, 238, 0.25), transparent 70%),
    linear-gradient(135deg, #142036, #0d1525);
  border: 1px solid rgba(42, 171, 238, 0.25);
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: space-between;
  align-items: center;
}

.cta-banner h2 {
  margin: 0 0 0.4rem;
  font-size: clamp(1.4rem, 2.6vw, 1.75rem);
}

.cta-banner p {
  margin: 0;
  color: var(--text-soft);
  max-width: 36rem;
}

.cta-banner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

/* ===== Prose ===== */
.prose {
  max-width: 52rem;
  margin: 0 auto;
}

.prose h3 {
  margin: 2rem 0 0.6rem;
  font-size: 1.18rem;
  font-weight: 700;
  letter-spacing: -0.015em;
}

.prose h3:first-child {
  margin-top: 0;
}

.prose p {
  margin: 0 0 1rem;
  color: var(--text-soft);
}

.prose p:last-child {
  margin-bottom: 0;
}

.prose ul {
  padding-left: 1.2rem;
  margin: 0 0 1rem;
  color: var(--text-soft);
}

.prose ul li {
  margin-bottom: 0.4rem;
}

/* ===== Contact chips ===== */
.contact-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  max-width: 720px;
  margin-inline: auto;
}

.contact-chip {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.3rem 1.35rem;
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.contact-chip:hover {
  border-color: rgba(42, 171, 238, 0.35);
  transform: translateY(-2px);
}

.contact-chip-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  background: var(--tg-soft);
  color: var(--tg);
}

.contact-chip-icon svg {
  width: 22px;
  height: 22px;
}

.contact-chip-body strong {
  display: block;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.contact-chip-body a {
  font-weight: 600;
  word-break: break-all;
  color: var(--text);
}

.contact-chip-body a:hover {
  color: var(--tg-hover);
}

/* ===== Footer ===== */
.site-footer {
  margin-top: auto;
  padding: 2.25rem 0;
  border-top: 1px solid var(--border-soft);
  background: rgba(8, 11, 18, 0.6);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  align-items: center;
  justify-content: space-between;
}

.footer-meta {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0;
}

.footer-meta .domain {
  color: var(--text);
  font-weight: 600;
}

.footer-links {
  display: flex;
  gap: 1.25rem;
  font-size: 0.9rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-muted);
}

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

/* ===== Responsive ===== */
@media (max-width: 960px) {
  .showcase {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: rgba(13, 19, 32, 0.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
  }

  .site-nav[data-open="true"] {
    max-height: 380px;
  }

  .site-nav ul {
    flex-direction: column;
    align-items: stretch;
    padding: 0.65rem 1.25rem 1rem;
    gap: 0.1rem;
  }

  .site-nav a {
    display: block;
    padding: 0.75rem 0.85rem;
    border-radius: 8px;
  }

  .cta-banner {
    text-align: left;
  }
}