/* ============================================================
   SURFBAY — Songjeong sunrise-surf aesthetic
   Sand base · deep ocean teal · sunset coral accent
   ============================================================ */

:root{
  --sand:#F4EEE1;
  --sand-2:#EAE1CE;
  --ink:#16130E;
  --ink-soft:#4a443a;
  --ocean:#0A3B3A;
  --ocean-2:#0E5E54;
  --foam:#BFE3D8;
  --coral:#FF5B36;
  --coral-d:#E8431F;
  --gold:#FFB02E;

  --display:"Anton","Black Han Sans",sans-serif;
  --display-ko:"Black Han Sans","Anton",sans-serif;
  --body:"Pretendard",-apple-system,BlinkMacSystemFont,sans-serif;

  --maxw:1200px;
  --pad:clamp(1.25rem,5vw,5rem);
  --r:18px;
}

html[lang="en"]{ --display-active:var(--display); }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; overflow-x:clip; }
*{ margin:0; padding:0; box-sizing:border-box; }

body{
  font-family:var(--body);
  background:var(--sand);
  color:var(--ink);
  line-height:1.6;
  overflow-x:clip;          /* iOS 가로 스크롤 누수 방지(hidden보다 견고) */
  max-width:100%;
  overscroll-behavior-x:none;
  -webkit-font-smoothing:antialiased;
  word-break:keep-all;      /* 한국어: 단어(어절) 단위로만 줄바꿈 */
  overflow-wrap:break-word; /* 아주 긴 토큰은 안전하게 줄바꿈 */
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
em{ font-style:normal; }

/* film grain overlay */
.grain{
  position:fixed; inset:0; z-index:9999; pointer-events:none; opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.5em;
  font-weight:700; font-size:.95rem; letter-spacing:.01em;
  padding:.85em 1.5em; border-radius:999px; cursor:pointer; border:2px solid transparent;
  transition:transform .25s cubic-bezier(.2,.8,.2,1), background .25s, color .25s, box-shadow .25s;
  white-space:nowrap;
}
.btn:active{ transform:scale(.97); }
.btn-primary{ background:var(--coral); color:#fff; box-shadow:0 8px 24px -8px rgba(255,91,54,.6); }
.btn-primary:hover{ background:var(--coral-d); transform:translateY(-2px); box-shadow:0 14px 30px -8px rgba(255,91,54,.7); }
.btn-ghost{ border-color:currentColor; color:var(--ink); }
.btn-ghost:hover{ background:var(--ink); color:var(--sand); transform:translateY(-2px); }
.btn-light{ background:var(--sand); color:var(--ocean); }
.btn-light:hover{ transform:translateY(-2px); box-shadow:0 14px 30px -10px rgba(0,0,0,.4); }
.btn.full{ width:100%; margin-top:auto; }

/* ---------- nav ---------- */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:1000;
  display:flex; align-items:center; justify-content:space-between;
  padding:.9rem var(--pad);
  transition:background .35s, box-shadow .35s, padding .35s;
}
.nav.scrolled{
  background:rgba(244,238,225,.88); backdrop-filter:blur(14px);
  box-shadow:0 1px 0 rgba(22,19,14,.08); padding-top:.6rem; padding-bottom:.6rem;
}
.brand{ display:flex; align-items:center; gap:.4rem; font-family:var(--display); font-size:1.6rem; letter-spacing:.04em; line-height:1; }
.brand-word em{ color:var(--coral); }
.brand-mark{ font-family:var(--body); font-size:1.1rem; transform:translateY(-1px); }
.nav .brand{ color:var(--sand); transition:color .35s; }
.nav.scrolled .brand{ color:var(--ink); }

.nav-links{ display:flex; gap:1.6rem; font-weight:600; font-size:.92rem; }
.nav-links a{ color:var(--sand); opacity:.92; position:relative; transition:color .35s; }
.nav.scrolled .nav-links a{ color:var(--ink); }
.nav-links a::after{ content:""; position:absolute; left:0; bottom:-5px; width:0; height:2px; background:var(--coral); transition:width .25s; }
.nav-links a:hover::after{ width:100%; }

.nav-actions{ display:flex; align-items:center; gap:.9rem; }
.lang-toggle{
  font-family:var(--body); font-weight:700; font-size:.8rem; letter-spacing:.06em;
  background:transparent; border:1.5px solid rgba(244,238,225,.6); color:var(--sand);
  padding:.45em .7em; border-radius:999px; cursor:pointer; transition:.3s;
}
.nav.scrolled .lang-toggle{ border-color:rgba(22,19,14,.3); color:var(--ink); }
.lang-toggle:hover{ border-color:var(--coral); color:var(--coral); }
.lang-toggle .lang-off,.lang-toggle .lang-sep{ opacity:.4; }
html[lang="en"] .lang-toggle .lang-on{ opacity:.4; }
html[lang="en"] .lang-toggle .lang-off{ opacity:1; }
.btn-book{ background:var(--coral); color:#fff; padding:.6em 1.2em; font-size:.88rem; }
.btn-book:hover{ background:var(--coral-d); transform:translateY(-2px); }

/* ---------- hero ---------- */
.hero{
  position:relative; min-height:100svh; display:flex; flex-direction:column;
  justify-content:center; padding:0 var(--pad); color:var(--sand); overflow:hidden;
}
.hero-bg{
  position:absolute; inset:0; z-index:-1;
  background:
    linear-gradient(180deg, rgba(8,45,44,.35) 0%, rgba(8,45,44,.45) 40%, rgba(6,40,38,.92) 100%),
    linear-gradient(90deg, rgba(6,40,38,.78) 0%, rgba(6,40,38,.15) 55%, transparent 100%),
    url("assets/hero.jpg") center 42%/cover no-repeat;
  animation:heroZoom 14s ease-out both;
}
@keyframes heroZoom{ from{ transform:scale(1.08); } to{ transform:scale(1); } }

.hero-inner{ max-width:var(--maxw); width:100%; margin:0 auto; padding-bottom:6vh; }
.eyebrow{ font-weight:700; letter-spacing:.32em; text-transform:uppercase; font-size:.82rem; color:var(--foam); margin-bottom:1.2rem; }
.hero-title{ font-family:var(--display); line-height:.82; letter-spacing:.02em; }
.hero-title .line{ display:block; font-size:clamp(5rem,21vw,17rem); }
.hero-title .accent{ color:var(--coral); -webkit-text-stroke:0; }
html[lang="ko"] .hero-title .line{ letter-spacing:.04em; }
.hero-tag{ font-size:clamp(1.05rem,2.4vw,1.45rem); max-width:36ch; margin-top:1.4rem; color:#eadfca; }
.hero-cta{ display:flex; flex-wrap:wrap; gap:.9rem; margin-top:2.4rem; }
.hero-cta .btn-ghost{ color:var(--sand); }
.hero-cta .btn-ghost:hover{ background:var(--sand); color:var(--ocean); }
.hero-meta{ margin-top:1.6rem; font-size:.9rem; font-weight:600; letter-spacing:.02em; color:#eadfca; opacity:.9; }

.wave-divider{ position:absolute; left:0; right:0; bottom:-1px; width:100%; height:clamp(60px,8vw,120px); }
.wave-divider path{ fill:var(--sand); }

/* ---------- marquee ---------- */
.marquee{ background:var(--coral); color:#fff; overflow:hidden; padding:.7rem 0; border-bottom:3px solid var(--ink); }
.marquee-track{ display:flex; width:max-content; font-family:var(--display); font-size:1.4rem; letter-spacing:.05em; animation:scroll 22s linear infinite; }
.marquee-track span{ padding:0 .2rem; }
@keyframes scroll{ to{ transform:translateX(-50%); } }

/* ---------- section heads ---------- */
section{ padding:clamp(4rem,9vw,8rem) var(--pad); }
.section-head{ max-width:var(--maxw); margin:0 auto clamp(2.5rem,5vw,4rem); }
.kicker{ display:inline-block; font-weight:700; letter-spacing:.18em; text-transform:uppercase; font-size:.78rem; color:var(--coral); margin-bottom:1rem; }
.section-head h2{ font-family:var(--display-ko); font-weight:400; font-size:clamp(2rem,5.5vw,4rem); line-height:1.04; letter-spacing:.01em; max-width:18ch; }
html[lang="en"] .section-head h2{ font-family:var(--display); }
.section-head.light .kicker{ color:var(--foam); }
.section-sub{ margin-top:1rem; font-size:1.05rem; color:var(--foam); max-width:46ch; }

/* ---------- about ---------- */
.about{ background:var(--sand); }
.about-grid{ max-width:var(--maxw); margin:0 auto; display:grid; grid-template-columns:1.4fr 1fr; gap:clamp(2rem,5vw,5rem); align-items:start; }
.about-lead{ font-size:clamp(1.15rem,2.2vw,1.5rem); line-height:1.55; color:var(--ink); font-weight:500; }
.about-stats{ list-style:none; display:flex; flex-direction:column; gap:1.4rem; }
.about-stats li{ border-top:2px solid var(--ink); padding-top:.9rem; }
.about-stats strong{ display:block; font-family:var(--display); font-size:2.2rem; line-height:1; color:var(--coral); letter-spacing:.02em; }
.about-stats span{ font-weight:600; color:var(--ink-soft); }

/* ---------- programs ---------- */
.programs{ background:var(--ocean); color:var(--sand); position:relative; }
.programs .section-head h2{ color:var(--sand); }
.cards{ max-width:var(--maxw); margin:0 auto; display:grid; grid-template-columns:repeat(3,1fr); gap:1.4rem; }
.card{
  background:var(--sand); color:var(--ink); border:2px solid transparent;
  border-radius:var(--r); padding:2rem 1.7rem; display:flex; flex-direction:column;
  position:relative; transition:transform .3s, box-shadow .3s, border-color .3s;
  box-shadow:0 12px 32px -20px rgba(0,0,0,.55);
}
.card:hover{ transform:translateY(-6px); box-shadow:0 22px 44px -22px rgba(0,0,0,.6); }
.card.featured{ border-color:var(--coral); }
.card-tag{ position:absolute; top:-12px; left:1.7rem; background:var(--coral); color:#fff; font-size:.72rem; font-weight:700; letter-spacing:.08em; text-transform:uppercase; padding:.35em .8em; border-radius:999px; }
.card h3{ font-size:1.5rem; font-weight:800; margin-bottom:.7rem; letter-spacing:-.01em; }
.card-desc{ font-size:.98rem; opacity:.85; margin-bottom:1.4rem; }
.price{ display:flex; align-items:baseline; gap:.5rem; margin-bottom:1.4rem; }
.price-num{ font-family:var(--display); font-size:3rem; color:var(--coral); line-height:1; }
.price-unit{ font-weight:600; opacity:.7; }
.incl{ list-style:none; margin-bottom:1.8rem; display:flex; flex-direction:column; gap:.6rem; }
.incl li{ position:relative; padding-left:1.6rem; font-size:.95rem; }
.incl li::before{ content:"✓"; position:absolute; left:0; color:var(--coral); font-weight:700; }
.price-note{ max-width:var(--maxw); margin:2.5rem auto 0; font-size:.85rem; color:var(--foam); opacity:.8; }

/* ---------- facility ---------- */
.facility{ background:var(--sand); }
.facility-grid{ max-width:var(--maxw); margin:0 auto; display:grid; grid-template-columns:repeat(4,1fr); gap:1.2rem; }
.feat{ background:var(--sand-2); border-radius:var(--r); padding:1.8rem 1.5rem; transition:transform .3s, background .3s; }
.feat:hover{ transform:translateY(-6px); background:var(--foam); }
.feat-no{ font-family:var(--display); font-size:1.8rem; color:var(--coral); display:block; margin-bottom:1rem; }
.feat h4{ font-size:1.2rem; font-weight:800; margin-bottom:.5rem; }
.feat p{ font-size:.92rem; color:var(--ink-soft); }
.chips{ list-style:none; max-width:var(--maxw); margin:2rem auto 0; display:flex; flex-wrap:wrap; gap:.6rem; }
.chips li{ font-size:.85rem; font-weight:600; color:var(--ocean); background:var(--sand-2); border:1.5px solid rgba(10,59,58,.16); padding:.5em 1em; border-radius:999px; }
.chips li::before{ content:"⚓ "; color:var(--coral); }

/* ---------- instagram ---------- */
.insta{ background:var(--ocean-2); color:var(--sand); position:relative; }
.insta-grid{
  max-width:var(--maxw); margin:0 auto; position:relative;
  display:grid; grid-template-columns:repeat(6,1fr); gap:.6rem; border-radius:var(--r); overflow:hidden;
}
.insta-grid .tile{ aspect-ratio:1; background-size:cover; background-position:center; background-color:#0a3b3a; transition:transform .5s; }
.insta-grid:hover .tile{ transform:scale(1.05); }
.tile.t1{ background-image:url("assets/ig1.jpg"); }
.tile.t2{ background-image:url("assets/ig2.jpg"); }
.tile.t3{ background-image:url("assets/ig3.jpg"); }
.tile.t4{ background-image:url("assets/ig4.jpg"); }
.tile.t5{ background-image:url("assets/ig5.jpg"); }
.tile.t6{ background-image:url("assets/ig6.jpg"); }
.insta-overlay{
  position:absolute; inset:0; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:.9rem;
  background:linear-gradient(0deg,rgba(6,43,42,.7),rgba(6,43,42,.45));
  color:#fff; font-weight:700; font-size:1.05rem; letter-spacing:.02em;
  opacity:0; transition:opacity .4s;
}
.insta-grid:hover .insta-overlay,.insta-grid:focus-visible .insta-overlay{ opacity:1; }
.ig-icon{ width:60px; height:60px; border-radius:50%; display:grid; place-items:center; background:var(--coral); color:#fff; box-shadow:0 8px 22px -6px rgba(0,0,0,.5); }
@media(hover:none){ .insta-overlay{ opacity:1; background:linear-gradient(0deg,rgba(6,43,42,.55),rgba(6,43,42,.15) 55%,transparent); justify-content:flex-end; padding-bottom:1.2rem; } .insta-overlay .ig-icon{ display:none; } }

/* ---------- location ---------- */
.location{ background:var(--sand); }
.loc-grid{ max-width:var(--maxw); margin:0 auto; display:grid; grid-template-columns:1fr 1.1fr; gap:clamp(2rem,4vw,3.5rem); align-items:stretch; }
.loc-info dl{ display:grid; grid-template-columns:auto 1fr; gap:.7rem 1.5rem; margin-bottom:2rem; }
.loc-info dt{ font-family:var(--display); font-size:.95rem; letter-spacing:.05em; color:var(--coral); padding-top:.15rem; }
html[lang="en"] .loc-info dt{ font-family:var(--body); font-weight:800; }
.loc-info dd{ font-size:1rem; line-height:1.5; }
.loc-info dd a:hover{ color:var(--coral); }
.muted{ color:var(--ink-soft); font-size:.88rem; }
.loc-actions{ display:flex; flex-wrap:wrap; gap:.8rem; }
.loc-map{ border-radius:var(--r); overflow:hidden; min-height:340px; box-shadow:0 20px 50px -25px rgba(0,0,0,.4); border:1.5px solid var(--sand-2); }
.loc-map iframe{ width:100%; height:100%; min-height:340px; border:0; filter:grayscale(.15) contrast(1.02); }

/* ---------- cta band ---------- */
.cta-band{ position:relative; text-align:center; color:var(--sand); overflow:hidden; }
.cta-bg{ position:absolute; inset:0; z-index:-1; background:linear-gradient(120deg,var(--coral),#ff7a45 50%,var(--gold)); }
.cta-bg::after{ content:""; position:absolute; inset:0; background:radial-gradient(80% 120% at 50% 0%,rgba(0,0,0,.12),transparent 60%); }
.cta-band h2{ font-family:var(--display-ko); font-weight:400; font-size:clamp(2.2rem,6vw,4.5rem); line-height:1; margin-bottom:2rem; color:#fff; }
html[lang="en"] .cta-band h2{ font-family:var(--display); }

/* ---------- footer ---------- */
.footer{ background:var(--ink); color:var(--sand); padding:clamp(3rem,6vw,5rem) var(--pad) 2rem; }
.foot-top{ max-width:var(--maxw); margin:0 auto; display:flex; flex-wrap:wrap; gap:1.5rem; justify-content:space-between; align-items:center; padding-bottom:2rem; border-bottom:1px solid rgba(244,238,225,.15); }
.foot-brand{ font-family:var(--display); font-size:1.8rem; letter-spacing:.04em; }
.foot-brand em{ color:var(--coral); }
.foot-links{ display:flex; flex-wrap:wrap; gap:1.6rem; font-weight:600; }
.foot-links a{ opacity:.8; transition:.25s; }
.foot-links a:hover{ opacity:1; color:var(--coral); }
.foot-bottom{ max-width:var(--maxw); margin:1.6rem auto 0; display:flex; flex-wrap:wrap; gap:.6rem; justify-content:space-between; font-size:.82rem; color:rgba(244,238,225,.55); }

/* ---------- reveal animation ---------- */
/* reveals hidden only when JS is active (progressive enhancement) */
.js .reveal{ opacity:0; transform:translateY(28px); transition:opacity .7s cubic-bezier(.2,.7,.2,1) var(--d,0s), transform .7s cubic-bezier(.2,.7,.2,1) var(--d,0s); }
.js .reveal.in{ opacity:1; transform:none; }

/* ---------- responsive ---------- */
@media(max-width:900px){
  .nav-links{ display:none; }
  .about-grid{ grid-template-columns:1fr; }
  .cards{ grid-template-columns:1fr; }
  .facility-grid{ grid-template-columns:repeat(2,1fr); }
  .loc-grid{ grid-template-columns:1fr; }
  .insta-grid{ grid-template-columns:repeat(3,1fr); }
}
@media(max-width:520px){
  .nav{ padding:.7rem 1.1rem; }
  .brand{ font-size:1.3rem; }
  .facility-grid{ grid-template-columns:1fr; }
  .foot-bottom{ flex-direction:column; }
}

@media(prefers-reduced-motion:reduce){
  *{ animation:none !important; transition-duration:.01ms !important; }
  .reveal{ opacity:1; transform:none; }
}