/* 88골프 공식홈 — 그린 계열 모던 반응형 */
:root {
  --green: #1f6b3b;
  --green-dark: #134426;
  --green-light: #e8f3ec;
  --accent: #cde36a;
  --ink: #1c2419;
  --muted: #5d6b5a;
  --line: #e3e8e0;
  --bg: #ffffff;
  --bg-alt: #f5f8f3;
  --radius: 14px;
  --shadow: 0 6px 24px rgba(20, 68, 38, 0.08);
  --max: 1080px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Noto Sans KR", -apple-system, system-ui, sans-serif;
  color: var(--ink); background: var(--bg); line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.wrap.narrow { max-width: 620px; }

/* 버튼 */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 14px 26px; border-radius: 999px; font-weight: 700; font-size: 16px;
  border: 0; cursor: pointer; transition: transform .15s ease, box-shadow .15s ease, background .15s; }
.btn:hover { transform: translateY(-2px); }
.btn-sm { padding: 9px 18px; font-size: 14px; }
.btn-block { width: 100%; }
.btn-primary { background: var(--green); color: #fff; box-shadow: var(--shadow); }
.btn-primary:hover { background: var(--green-dark); }
.btn-ghost { background: rgba(255,255,255,.15); color: #fff; border: 1.5px solid rgba(255,255,255,.6); }
.btn-ghost:hover { background: rgba(255,255,255,.28); }
.btn-kakao { background: #fee500; color: #3c1e1e; }

/* 헤더 */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.92);
  backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; gap: 20px; height: 64px; }
.logo { font-weight: 900; font-size: 24px; color: var(--green); letter-spacing: -1px; }
.logo span { color: var(--ink); font-size: 18px; }
.gnb { display: flex; gap: 26px; margin-left: auto; }
.gnb a { color: var(--muted); font-weight: 500; font-size: 15px; }
.gnb a:hover { color: var(--green); }
.header-inner .btn-primary { margin-left: 8px; }

/* 히어로 */
.hero { background: linear-gradient(135deg, var(--green-dark), var(--green) 70%);
  color: #fff; padding: 92px 0 84px; position: relative; overflow: hidden; }
.hero::after { content: ""; position: absolute; right: -80px; bottom: -80px;
  width: 320px; height: 320px; border-radius: 50%; background: rgba(205,227,106,.18); }
.hero-eyebrow { font-weight: 700; letter-spacing: 2px; color: var(--accent); font-size: 14px; }
.hero-title { font-size: clamp(30px, 5vw, 48px); font-weight: 900; line-height: 1.25; margin: 14px 0 16px; }
.hero-title strong { color: var(--accent); }
.hero-sub { font-size: clamp(15px, 2.2vw, 19px); color: rgba(255,255,255,.9); max-width: 560px; }
.hero-actions { display: flex; gap: 12px; margin-top: 30px; flex-wrap: wrap; }

/* 스탯 */
.stats { background: var(--green-light); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; padding: 28px 20px; }
.stat { text-align: center; }
.stat .num { display: block; font-size: clamp(26px, 4vw, 40px); font-weight: 900; color: var(--green-dark); }
.stat .num small { font-size: .5em; font-weight: 700; }
.stat .label { font-size: 14px; color: var(--muted); }

/* 섹션 공통 */
.section { padding: 72px 0; }
.section-alt { background: var(--bg-alt); }
.section-title { font-size: clamp(24px, 3.4vw, 32px); font-weight: 900; text-align: center; }
.section-lead { text-align: center; color: var(--muted); margin: 12px auto 36px; max-width: 640px; }
.note { text-align: center; color: var(--muted); font-size: 13px; margin-top: 22px; }

/* 카드 */
.cards, .lesson-grid { display: grid; gap: 18px; }
.cards { grid-template-columns: repeat(3, 1fr); }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px; box-shadow: var(--shadow); }
.card h3 { color: var(--green-dark); font-size: 19px; margin-bottom: 8px; }
.card p { color: var(--muted); }

.lesson-grid { grid-template-columns: repeat(3, 1fr); }
.lesson-card { background: #fff; border: 1px solid var(--line); border-top: 4px solid var(--green);
  border-radius: var(--radius); padding: 24px 22px; transition: transform .15s, box-shadow .15s; }
.lesson-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.lesson-card h3 { font-size: 20px; color: var(--green-dark); margin-bottom: 6px; }
.lesson-card p { color: var(--muted); font-size: 15px; }

/* 정보 그리드 */
.info-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; max-width: 720px; margin: 0 auto; }
.info-item { display: flex; flex-direction: column; gap: 4px; background: #fff;
  border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; }
.info-key { font-size: 13px; color: var(--green); font-weight: 700; }
.info-val { font-size: 17px; font-weight: 500; }

/* 신청 폼 */
.lead-form { display: flex; flex-direction: column; gap: 16px; background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow); }
.lead-form label { display: flex; flex-direction: column; gap: 7px; font-weight: 700; font-size: 14px; color: var(--ink); }
.lead-form input, .lead-form select, .lead-form textarea {
  font: inherit; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: 10px; background: #fff; }
.lead-form input:focus, .lead-form select:focus, .lead-form textarea:focus {
  outline: none; border-color: var(--green); box-shadow: 0 0 0 3px var(--green-light); }
.form-msg { text-align: center; font-weight: 700; min-height: 22px; margin: 0; }
.form-msg.ok { color: var(--green); }
.form-msg.err { color: #c0392b; }
.kakao-line { text-align: center; color: var(--muted); margin-top: 18px; font-size: 15px; }
.kakao-inline { color: var(--green); font-weight: 700; text-decoration: underline; }

/* 푸터 */
.site-footer { background: var(--green-dark); color: rgba(255,255,255,.85); padding: 48px 0 60px; text-align: center; }
.footer-inner { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.logo-foot { color: #fff; } .logo-foot span { color: var(--accent); }
.foot-desc { font-size: 14px; }
.foot-contact { font-size: 20px; font-weight: 700; color: #fff; }
.site-footer .btn-kakao { margin: 8px 0; }
.copy { font-size: 12px; color: rgba(255,255,255,.55); margin-top: 8px; }

/* 모바일 고정 CTA */
.floating-cta { display: none; }

@media (max-width: 760px) {
  .gnb { display: none; }
  .header-inner .btn-primary { margin-left: auto; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .cards, .lesson-grid { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: 1fr; }
  .section { padding: 54px 0; }
  .floating-cta { display: flex; align-items: center; justify-content: center;
    position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 60;
    background: var(--green); color: #fff; font-weight: 700; padding: 15px; border-radius: 999px;
    box-shadow: 0 8px 24px rgba(19,68,38,.35); }
}