/* ============================================================
   Tony Golfstory — tgsgolftv.com 허브 사이트 (1단계)
   다크 그린 + 골드 브랜드 / 모바일 우선 반응형
   ============================================================ */

:root {
  --green-950: #07231a;
  --green-900: #0b2e23;
  --green-800: #103b2d;
  --green-700: #17503c;
  --gold-500: #c9a24b;
  --gold-400: #dcbc6d;
  --gold-300: #ecd194;
  --cream: #f6f1e3;
  --cream-dim: #cfc9b4;
  --ink: #14201a;
  --orange: #f07040; /* ALLG1 브랜드 오렌지 */
  --radius: 16px;
  --maxw: 1120px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic",
    "Noto Sans KR", system-ui, -apple-system, sans-serif;
  background: var(--green-950);
  color: var(--cream);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- 헤더 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(7, 35, 26, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(201, 162, 75, 0.35);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 10px;
  padding-bottom: 10px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 2px solid var(--gold-500);
}

.brand .brand-sub {
  display: block;
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--gold-400);
  letter-spacing: 0.14em;
}

.main-nav {
  display: none; /* 모바일: 숨김 (태블릿 이상에서 표시) */
  margin-left: auto;
  gap: 26px;
  font-size: 0.95rem;
  font-weight: 600;
}

.main-nav a { color: var(--cream-dim); }
.main-nav a:hover { color: var(--gold-300); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease;
  cursor: pointer;
}

.btn:active { transform: scale(0.97); }

.btn-gold {
  background: linear-gradient(135deg, var(--gold-400), var(--gold-500));
  color: var(--green-950);
}

.btn-gold:hover { background: linear-gradient(135deg, var(--gold-300), var(--gold-400)); }

.btn-outline {
  border-color: var(--gold-500);
  color: var(--gold-300);
  background: transparent;
}

.btn-outline:hover { background: rgba(201, 162, 75, 0.12); }

.btn-subscribe {
  margin-left: auto;
  padding: 9px 16px;
  font-size: 0.85rem;
}

/* ---------- 히어로 ---------- */
.hero {
  background:
    radial-gradient(ellipse 80% 55% at 50% -10%, rgba(201, 162, 75, 0.22), transparent 60%),
    linear-gradient(180deg, var(--green-900), var(--green-950));
  text-align: center;
  padding: 64px 0 72px;
}

.hero-logo {
  width: 118px;
  height: 118px;
  border-radius: 50%;
  border: 3px solid var(--gold-500);
  margin: 0 auto 22px;
  box-shadow: 0 10px 34px rgba(0, 0, 0, 0.45);
}

.hero-eyebrow {
  color: var(--gold-400);
  font-weight: 700;
  letter-spacing: 0.22em;
  font-size: 0.78rem;
  margin-bottom: 14px;
}

.hero h1 {
  font-size: 2.1rem;
  line-height: 1.25;
  font-weight: 900;
  word-break: keep-all;
}

.hero h1 .gold { color: var(--gold-400); }

.hero-sub {
  margin: 18px auto 0;
  max-width: 560px;
  color: var(--cream-dim);
  font-size: 1rem;
  word-break: keep-all;
}

.hero-cta {
  margin-top: 30px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: stretch;
  max-width: 320px;
  margin-left: auto;
  margin-right: auto;
}

/* ---------- 섹션 공통 ---------- */
.section { padding: 64px 0; }

.section-alt { background: var(--green-900); }

.section-head { text-align: center; margin-bottom: 34px; }

.section-head .kicker {
  color: var(--gold-400);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  margin-bottom: 8px;
}

.section-head h2 {
  font-size: 1.55rem;
  font-weight: 800;
  word-break: keep-all;
}

.section-head p {
  margin-top: 10px;
  color: var(--cream-dim);
  word-break: keep-all;
}

/* ---------- 영상 카드 ---------- */
.video-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.video-card {
  background: var(--green-800);
  border: 1px solid rgba(201, 162, 75, 0.25);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.18s ease, border-color 0.18s ease;
}

.video-card:hover {
  transform: translateY(-4px);
  border-color: var(--gold-500);
}

.video-thumb { position: relative; aspect-ratio: 16 / 9; background: #000; }
.video-thumb img { width: 100%; height: 100%; object-fit: cover; }

.video-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(7, 35, 26, 0.85);
  color: var(--gold-300);
  border: 1px solid var(--gold-500);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: 999px;
}

.video-play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: #fff;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.7);
}

.video-body { padding: 16px 18px 20px; }
.video-body h3 { font-size: 1.05rem; font-weight: 700; word-break: keep-all; }
.video-body p { margin-top: 6px; color: var(--cream-dim); font-size: 0.9rem; word-break: keep-all; }

/* ---------- 바이럴 영상 ---------- */
.views-chip {
  position: absolute;
  right: 10px;
  bottom: 10px;
  background: rgba(7, 35, 26, 0.88);
  color: var(--gold-300);
  border: 1px solid var(--gold-500);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  padding: 5px 12px;
  border-radius: 999px;
}

.video-thumb.portrait { aspect-ratio: 9 / 16; }

.viral-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.viral-sub {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--gold-400);
  margin: 26px 0 16px;
}

.viral-sub:first-of-type { margin-top: 0; }

.featured-card { margin-bottom: 20px; }
.featured-card .video-body h3 { font-size: 1.2rem; }
.featured-card .video-badge { font-size: 0.75rem; padding: 5px 12px; }

/* ---------- 룰 파인더 ---------- */
.rulefinder-box {
  background: linear-gradient(135deg, var(--green-800), var(--green-900));
  border: 1px solid var(--gold-500);
  border-radius: var(--radius);
  padding: 36px 24px;
  text-align: center;
}

.rulefinder-box .rf-icon { font-size: 2.4rem; margin-bottom: 12px; }
.rulefinder-box h2 { font-size: 1.5rem; font-weight: 800; word-break: keep-all; }
.rulefinder-box p { margin: 12px auto 24px; max-width: 520px; color: var(--cream-dim); word-break: keep-all; }

/* ---------- 레슨 ---------- */
.lesson-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-bottom: 28px;
}

.price-card {
  background: var(--green-950);
  border: 1px solid rgba(201, 162, 75, 0.3);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
}

.price-card.featured { border-color: var(--gold-500); }

.price-card .plan { color: var(--gold-400); font-weight: 700; letter-spacing: 0.06em; font-size: 0.85rem; }
.price-card .price { font-size: 2.2rem; font-weight: 900; margin: 8px 0 4px; }
.price-card .price small { font-size: 0.95rem; font-weight: 600; color: var(--cream-dim); }
.price-card .desc { color: var(--cream-dim); font-size: 0.92rem; word-break: keep-all; }

.lesson-info {
  text-align: center;
  color: var(--cream-dim);
  word-break: keep-all;
}

.lesson-info strong { color: var(--cream); }
.lesson-info .tel { color: var(--gold-300); font-weight: 700; }

.lesson-cta { text-align: center; margin-top: 24px; }

/* ---------- 협찬 / ALLG1 ---------- */
.sponsor-banner {
  background: linear-gradient(135deg, #1a120b, var(--green-900));
  border: 1px solid rgba(240, 112, 64, 0.55);
  border-radius: var(--radius);
  padding: 36px 24px;
  text-align: center;
}

.sponsor-banner .brand-name {
  font-size: 1.7rem;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.sponsor-banner .slogan {
  margin-top: 8px;
  color: var(--orange);
  font-weight: 700;
  letter-spacing: 0.12em;
  font-size: 0.85rem;
}

.sponsor-banner p { margin: 14px auto 6px; max-width: 520px; color: var(--cream-dim); word-break: keep-all; }

.sponsor-banner .code {
  display: inline-block;
  margin: 12px 0 22px;
  padding: 8px 18px;
  border: 1px dashed var(--orange);
  border-radius: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: #ffb59d;
}

.btn-orange { background: var(--orange); color: #fff; }
.btn-orange:hover { background: #ff8257; }

.sponsor-note { margin-top: 26px; font-size: 0.9rem; color: var(--cream-dim); }
.sponsor-note a { color: var(--gold-300); font-weight: 600; }

/* ---------- 푸터 ---------- */
.site-footer {
  border-top: 1px solid rgba(201, 162, 75, 0.3);
  padding: 36px 0 44px;
  text-align: center;
  color: var(--cream-dim);
  font-size: 0.9rem;
}

.site-footer .footer-links {
  display: flex;
  justify-content: center;
  gap: 22px;
  flex-wrap: wrap;
  margin-bottom: 14px;
  font-weight: 600;
}

.site-footer .footer-links a:hover { color: var(--gold-300); }
.site-footer .copyright { color: #8f8a76; font-size: 0.82rem; margin-top: 6px; }

/* ---------- 반응형: 태블릿 이상 ---------- */
@media (min-width: 640px) {
  .hero h1 { font-size: 2.7rem; }
  .hero-cta { flex-direction: row; max-width: none; justify-content: center; }
  .video-grid { grid-template-columns: repeat(3, 1fr); }
  .viral-grid { grid-template-columns: repeat(3, 1fr); }
  .lesson-grid { grid-template-columns: repeat(2, 1fr); max-width: 760px; margin-left: auto; margin-right: auto; }
}

/* ---------- 반응형: 데스크톱 ---------- */
@media (min-width: 900px) {
  .main-nav { display: flex; }
  .btn-subscribe { margin-left: 0; }
  .hero { padding: 88px 0 96px; }
  .hero h1 { font-size: 3.2rem; }
  .section { padding: 84px 0; }
}

/* ---------- 상단 스폰서 바 (광고 슬롯) ---------- */
.topbar {
  background: var(--cream);
  color: var(--ink);
  border-bottom: 1px solid rgba(201, 162, 75, 0.5);
}

.topbar-inner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 8px;
  padding-bottom: 8px;
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-right: auto;
}

.topbar-label {
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  color: #8a6d2f;
  white-space: nowrap;
}

.topbar-logo { height: 24px; width: auto; }

.topbar-code { display: none; font-size: 0.85rem; color: #4c4636; white-space: nowrap; }
.topbar-code strong { color: var(--ink); }

.topbar-btn {
  background: var(--orange);
  color: #fff;
  font-weight: 800;
  font-size: 0.85rem;
  padding: 8px 18px;
  border-radius: 999px;
  white-space: nowrap;
  transition: background 0.15s ease, transform 0.15s ease;
}

.topbar-btn:hover { background: #ff8257; }
.topbar-btn:active { transform: scale(0.97); }

@media (min-width: 640px) {
  .topbar-code { display: block; }
  .topbar-logo { height: 28px; }
}

/* ---------- 협찬 배너 이미지 ---------- */
.sponsor-img {
  width: 100%;
  border-radius: 10px;
  margin-bottom: 24px;
  border: 1px solid rgba(240, 112, 64, 0.35);
}

/* ---------- 히어로 사진 배경 (TGS 인비테이셔널 단체사진) ---------- */
.hero-photo {
  background:
    linear-gradient(180deg, rgba(7, 35, 26, 0.55), rgba(7, 35, 26, 0.78) 55%, var(--green-950)),
    url("assets/tgs-invitational-2026.jpg") center 30% / cover no-repeat,
    var(--green-950);
}

.hero-photo .hero-sub { color: var(--cream); }
.hero-photo .hero-logo { border-color: var(--gold-400); }

/* ---------- 히어로 SNS 칩 ---------- */
.sns-row {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.sns-chip {
  padding: 8px 18px;
  border: 1px solid rgba(201, 162, 75, 0.65);
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--gold-300);
  background: rgba(7, 35, 26, 0.55);
  backdrop-filter: blur(4px);
  transition: background 0.15s ease, color 0.15s ease;
}

.sns-chip:hover { background: var(--gold-500); color: var(--green-950); }

/* ---------- 히어로 통계 스트립 ---------- */
.stats-strip {
  margin-top: 36px;
  padding-top: 26px;
  border-top: 1px solid rgba(201, 162, 75, 0.4);
  display: flex;
  flex-wrap: wrap;
  gap: 18px 34px;
  justify-content: center;
}

.stat strong {
  display: block;
  font-size: 1.55rem;
  font-weight: 900;
  color: var(--gold-400);
  line-height: 1.15;
}

.stat span { font-size: 0.82rem; color: var(--cream-dim); }

/* ---------- 채널 & SNS 카드 ---------- */
.sns-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.sns-card {
  display: block;
  background: var(--green-800);
  border: 1px solid rgba(201, 162, 75, 0.25);
  border-radius: var(--radius);
  padding: 24px 22px;
  transition: transform 0.18s ease, border-color 0.18s ease;
}

.sns-card:hover { transform: translateY(-4px); border-color: var(--gold-500); }

.sns-name { display: block; font-size: 1.25rem; font-weight: 800; }
.sns-handle { display: block; color: var(--gold-400); font-weight: 700; margin-top: 2px; }
.sns-desc { display: block; color: var(--cream-dim); font-size: 0.9rem; margin-top: 8px; word-break: keep-all; }
.sns-go { display: block; color: var(--gold-300); font-weight: 700; margin-top: 14px; font-size: 0.92rem; }

@media (min-width: 640px) {
  .sns-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 900px) {
  .sns-grid { grid-template-columns: repeat(3, 1fr); }
}