/* ============================================================
   CODINGCHAN — Luxury Timepiece Landing Page
   Palette: Black / Gold / Warm cream
   ============================================================ */

:root{
  --black:        #070605;
  --black-soft:    #0f0d0b;
  --black-card:    #17130f;
  --warm:          #1c1510;
  --gold:          #d4af37;
  --gold-light:    #f3dd9a;
  --gold-pale:     #f6ecd0;
  --gold-dark:     #8a6a1f;
  --cream:         #f3ead9;
  --cream-dim:     rgba(243,234,217,0.62);
  --line:          rgba(212,175,55,0.22);

  --ease-premium: cubic-bezier(0.4,0,0.2,1);
  --ease-out-soft: cubic-bezier(0.16,1,0.3,1);

  --gold-gradient: linear-gradient(120deg, #8a6a1f 0%, #d4af37 22%, #f6ecd0 45%, #d4af37 68%, #8a6a1f 100%);
}

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

html{ scroll-behavior:smooth; background:var(--black); }

body{
  background:var(--black);
  color:var(--cream);
  font-family:'Inter', sans-serif;
  font-weight:300;
  overflow-x:hidden;
  cursor:none;
}

::selection{ background:var(--gold); color:var(--black); }

h1,h2,h3{
  font-family:'Playfair Display', serif;
  font-weight:500;
  letter-spacing:0.01em;
}

em{ font-style:italic; color:var(--gold-light); }

a{ color:inherit; text-decoration:none; }

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

.gold-text{
  background:var(--gold-gradient);
  background-size:220% auto;
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  animation:goldShift 8s linear infinite;
}
@keyframes goldShift{
  0%{ background-position:0% 50%; }
  100%{ background-position:220% 50%; }
}

/* film grain overlay for warmth/texture */
.grain{
  position:fixed; inset:0; z-index:9998; pointer-events:none;
  opacity:0.035; mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ============ custom cursor ============ */
.cursor-dot, .cursor-ring{
  position:fixed; top:0; left:0; z-index:9999;
  pointer-events:none; border-radius:50%;
  transform:translate(-50%,-50%);
  will-change:transform;
}
.cursor-dot{ width:6px; height:6px; background:var(--gold-light); }
.cursor-ring{
  width:38px; height:38px; border:1px solid var(--gold);
  opacity:0.6; transition:width .25s var(--ease-premium), height .25s var(--ease-premium), opacity .25s;
}
.cursor-ring.is-active{ width:60px; height:60px; opacity:0.9; background:rgba(212,175,55,0.08); }
@media (hover:none), (pointer:coarse){
  .cursor-dot, .cursor-ring{ display:none; }
  body{ cursor:auto; }
}

/* ============ preloader ============ */
.preloader{
  position:fixed; inset:0; z-index:10000;
  background:var(--black);
  display:flex; align-items:center; justify-content:center;
}
.preloader-inner{ text-align:center; }
.preloader-mark{
  font-family:'Playfair Display', serif;
  font-size:clamp(1.6rem, 4vw, 2.4rem);
  letter-spacing:0.35em;
  color:var(--gold-pale);
  display:block; margin-bottom:2rem;
}
.preloader-bar{
  width:min(70vw, 280px); height:1px; background:rgba(212,175,55,0.25);
  margin:0 auto; position:relative;
}
.preloader-bar-fill{
  position:absolute; left:0; top:0; height:100%; width:0%;
  background:var(--gold-gradient); background-size:220% auto;
}
.preloader-pct{
  display:block; margin-top:1rem; font-size:0.7rem; letter-spacing:0.2em;
  color:var(--cream-dim);
}

/* ============ navbar ============ */
.navbar{
  position:fixed; top:0; left:0; right:0; z-index:500;
  padding:1.6rem 0;
  transition:padding .4s var(--ease-premium), background .4s var(--ease-premium), border-color .4s;
  border-bottom:1px solid transparent;
}
.navbar.is-scrolled{
  padding:1rem 0;
  background:rgba(7,6,5,0.82);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:1280px; margin:0 auto; padding:0 clamp(1.2rem,4vw,3rem);
  display:flex; align-items:center; justify-content:space-between;
}
.brand{
  font-family:'Playfair Display', serif;
  font-size:clamp(0.95rem, 4.2vw, 1.15rem); letter-spacing:0.12em; color:var(--gold-pale);
  white-space:nowrap;
}
.brand span{ color:var(--gold); font-style:italic; }
.nav-links{ display:flex; gap:2.4rem; list-style:none; }
.nav-links a{
  font-size:0.78rem; letter-spacing:0.12em; text-transform:uppercase;
  color:var(--cream-dim); position:relative; padding-bottom:4px;
}
.nav-links a::after{
  content:''; position:absolute; left:0; bottom:0; width:0; height:1px;
  background:var(--gold); transition:width .35s var(--ease-premium);
}
.nav-links a:hover{ color:var(--gold-pale); }
.nav-links a:hover::after{ width:100%; }
.nav-cta{
  font-size:clamp(0.66rem, 2.6vw, 0.75rem); letter-spacing:0.1em; text-transform:uppercase;
  border:1px solid var(--gold); padding:clamp(0.5rem,1.8vw,0.6rem) clamp(0.85rem,3.6vw,1.4rem);
  border-radius:2px; white-space:nowrap;
  color:var(--gold-pale); transition:background .3s var(--ease-premium), color .3s;
}
.nav-cta:hover{ background:var(--gold); color:var(--black); }
@media (max-width:860px){ .nav-links{ display:none; } }
@media (max-width:420px){
  .nav-inner{ padding:0 1rem; }
}

/* ============ hero ============ */
.hero{
  position:relative; min-height:100svh; display:flex; align-items:center; justify-content:center;
  overflow:hidden; background:var(--black);
}
.hero-bg{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
  object-position:center 30%;
  filter:brightness(0.55) saturate(1.1);
  transform:scale(1.18);
  will-change:transform;
}
.hero-overlay{
  position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(7,6,5,0.55) 0%, rgba(7,6,5,0.25) 35%, rgba(7,6,5,0.65) 78%, rgba(7,6,5,0.95) 100%);
}
.hero-vignette{
  position:absolute; inset:0;
  box-shadow:inset 0 0 18vw rgba(0,0,0,0.75);
  pointer-events:none;
}
.hero-content{
  position:relative; z-index:2; text-align:center; padding:0 1.5rem;
  display:flex; flex-direction:column; align-items:center; gap:1.4rem;
}
.hero-eyebrow{
  font-size:0.78rem; letter-spacing:0.32em; text-transform:uppercase;
  color:var(--gold-light);
}
.hero-title{
  font-size:clamp(3.2rem, 11vw, 8rem);
  line-height:0.95; letter-spacing:0.02em; color:var(--gold-pale);
}
.hero-sub{
  max-width:32rem; font-size:clamp(1rem,1.6vw,1.2rem); font-weight:300;
  color:var(--cream-dim); line-height:1.6;
}
.hero-actions{ display:flex; gap:1.4rem; flex-wrap:wrap; justify-content:center; margin-top:0.6rem; }

.btn-gold{
  display:inline-block; padding:1rem 2.2rem; font-size:0.82rem; letter-spacing:0.14em;
  text-transform:uppercase; color:var(--black); background:var(--gold-gradient);
  background-size:220% auto; background-position:0% 50%;
  border-radius:2px; transition:background-position .6s var(--ease-premium), transform .35s var(--ease-premium), box-shadow .35s;
  box-shadow:0 8px 30px -10px rgba(212,175,55,0.5);
}
.btn-gold:hover{ background-position:100% 50%; transform:translateY(-2px); box-shadow:0 14px 40px -8px rgba(212,175,55,0.65); }
.btn-gold--lg{ padding:1.2rem 3rem; font-size:0.9rem; }

.btn-ghost{
  display:inline-flex; align-items:center; gap:0.5rem; padding:1rem 0.4rem;
  font-size:0.82rem; letter-spacing:0.14em; text-transform:uppercase; color:var(--cream);
  border-bottom:1px solid var(--line);
}
.btn-ghost span{ transition:transform .3s var(--ease-premium); color:var(--gold); }
.btn-ghost:hover span{ transform:translateX(6px); }

.scroll-cue{
  position:absolute; bottom:2.6rem; left:50%; transform:translateX(-50%);
  z-index:2; display:flex; flex-direction:column; align-items:center; gap:0.7rem;
}
.scroll-cue-line{
  width:1px; height:46px; background:linear-gradient(180deg, var(--gold), transparent);
  position:relative; overflow:hidden;
}
.scroll-cue-line::after{
  content:''; position:absolute; left:0; top:-100%; width:100%; height:100%;
  background:var(--gold-light);
  animation:scrollDrip 2s ease-in-out infinite;
}
@keyframes scrollDrip{
  0%{ top:-100%; } 60%{ top:100%; } 100%{ top:100%; }
}
.scroll-cue-text{ font-size:0.65rem; letter-spacing:0.3em; text-transform:uppercase; color:var(--cream-dim); }

/* reveal base state (JS animates these in) */
[data-reveal]{ opacity:0; transform:translateY(28px); }

/* ============ showcase ============ */
.showcase{
  position:relative; padding:min(14vw,10rem) clamp(1.2rem,6vw,5rem);
  display:grid; grid-template-columns:1.05fr 0.95fr; gap:clamp(2rem,6vw,6rem);
  align-items:center; max-width:1400px; margin:0 auto;
  background:radial-gradient(circle at 20% 20%, rgba(212,175,55,0.06), transparent 55%);
}
.showcase-media{ position:relative; display:flex; align-items:center; justify-content:center; }
.showcase-frame{
  position:relative; width:100%; max-width:460px; aspect-ratio:1/1;
  border-radius:4px; overflow:hidden;
  box-shadow:0 40px 90px -30px rgba(0,0,0,0.8), 0 0 0 1px var(--line);
}
.showcase-img{
  width:100%; height:100%; object-fit:cover;
  clip-path:inset(100% 0 0 0);
  transform:scale(1.15);
}
.showcase-glow{
  position:absolute; inset:-30%; z-index:-1;
  background:radial-gradient(circle, rgba(212,175,55,0.35), transparent 65%);
  filter:blur(30px); opacity:0.7;
}
.orbit-ring{
  position:absolute; border:1px solid var(--line); border-radius:50%;
  pointer-events:none;
}
.orbit-ring--1{ width:120%; height:120%; top:-10%; left:-10%; animation:spin 60s linear infinite; }
.orbit-ring--2{ width:145%; height:145%; top:-22%; left:-22%; animation:spin 90s linear infinite reverse; border-style:dashed; opacity:0.5; }
@keyframes spin{ to{ transform:rotate(360deg); } }

.section-eyebrow{
  display:block; font-size:0.78rem; letter-spacing:0.28em; text-transform:uppercase;
  color:var(--gold); margin-bottom:1.1rem;
}
.section-eyebrow--light{ color:var(--gold-light); }
.section-title{
  font-size:clamp(2.2rem,4.4vw,3.4rem); color:var(--gold-pale); line-height:1.15; margin-bottom:1.4rem;
}
.section-title--light{ color:var(--cream); }
.section-body{
  max-width:32rem; color:var(--cream-dim); line-height:1.8; font-size:1.02rem; margin-bottom:2.6rem;
}

.specs{
  display:grid; grid-template-columns:repeat(4, auto); gap:clamp(1.2rem,3vw,2.6rem);
}
.spec h3{
  font-size:clamp(1.6rem,2.6vw,2.1rem); color:var(--gold-light); display:flex; align-items:baseline; gap:2px;
}
.spec h3 span{ font-size:0.9rem; color:var(--gold-dark); }
.spec p{ font-size:0.72rem; letter-spacing:0.08em; text-transform:uppercase; color:var(--cream-dim); margin-top:0.4rem; }

@media (max-width:900px){
  .showcase{ grid-template-columns:1fr; text-align:left; }
  .specs{ grid-template-columns:repeat(2,auto); }
}

/* ============ cinematic scroll-scrub sections ============ */
.cinematic{ position:relative; height:400vh; background:var(--black); }
.cinematic-pin{
  position:sticky; top:0; height:100svh; width:100%; overflow:hidden;
  display:flex; align-items:center;
}
.scrub-canvas{
  position:absolute; inset:0; width:100%; height:100%;
  filter:brightness(0.7) saturate(1.1);
}
.cinematic-overlay{
  position:absolute; inset:0;
  background:linear-gradient(100deg, rgba(7,6,5,0.88) 0%, rgba(7,6,5,0.35) 42%, rgba(7,6,5,0.15) 60%, rgba(7,6,5,0.75) 100%);
}
.cinematic--alt .cinematic-overlay{
  background:linear-gradient(260deg, rgba(7,6,5,0.88) 0%, rgba(7,6,5,0.35) 42%, rgba(7,6,5,0.15) 60%, rgba(7,6,5,0.75) 100%);
}

.cinematic-heading{
  position:relative; z-index:2; max-width:34rem; padding:0 clamp(1.5rem,6vw,6rem);
}
.cinematic-heading--right{ margin-left:auto; text-align:right; }

.cinematic-captions{
  position:absolute; z-index:2; right:clamp(1.5rem,6vw,6rem); bottom:clamp(3rem,8vh,6rem);
  width:min(22rem, calc(100vw - 4rem)); text-align:right;
}
.cinematic-captions--left{ right:auto; left:clamp(1.5rem,6vw,6rem); text-align:left; }

.cinematic-caption{
  position:absolute; right:0; bottom:0; width:100%;
  opacity:0; transform:translateY(24px);
  transition:opacity .5s var(--ease-out-soft), transform .5s var(--ease-out-soft);
  pointer-events:none;
}
.cinematic-captions--left .cinematic-caption{ right:auto; left:0; }
.cinematic-caption.is-active{ opacity:1; transform:translateY(0); pointer-events:auto; }
.cap-index{
  font-size:0.75rem; letter-spacing:0.2em; color:var(--gold);
  display:block; margin-bottom:0.5rem;
}
.cinematic-caption h3{ font-size:clamp(1.5rem,2.6vw,2rem); color:var(--gold-pale); margin-bottom:0.6rem; }
.cinematic-caption p{ color:var(--cream-dim); line-height:1.7; font-size:0.95rem; }

.scrub-progress{
  position:absolute; left:0; bottom:0; height:2px; width:100%; z-index:3;
  background:rgba(212,175,55,0.15);
}
.scrub-progress-fill{
  height:100%; width:0%; background:var(--gold-gradient); background-size:220% auto;
}

@media (max-width:760px){
  .cinematic{ height:340vh; }
  .cinematic-captions, .cinematic-heading{ max-width:90%; left:1.2rem !important; right:1.2rem !important; text-align:left !important; margin:0 !important; }
  .cinematic-caption{ left:0 !important; }
}

/* ============ quote ============ */
.quote{
  padding:clamp(6rem,14vw,10rem) 1.5rem;
  display:flex; align-items:center; justify-content:center;
  background:var(--black-soft);
  border-top:1px solid var(--line); border-bottom:1px solid var(--line);
}
.quote-text{
  max-width:44rem; text-align:center;
  font-family:'Playfair Display', serif; font-style:italic;
  font-size:clamp(1.4rem,3.4vw,2.3rem); line-height:1.5; color:var(--cream-dim);
}

/* ============ CTA ============ */
.cta{
  position:relative; padding:clamp(6rem,16vw,11rem) 1.5rem;
  display:flex; flex-direction:column; align-items:center; text-align:center; gap:1.3rem;
  background:var(--black); overflow:hidden;
}
.cta-glow{
  position:absolute; top:-20%; left:50%; translate:-50% 0;
  width:70vw; height:70vw; max-width:900px; max-height:900px;
  background:radial-gradient(circle, rgba(212,175,55,0.18), transparent 65%);
  filter:blur(40px); pointer-events:none;
}
.cta-title{ font-size:clamp(2.4rem,6vw,4.4rem); color:var(--gold-pale); position:relative; }
.cta-sub{ max-width:30rem; color:var(--cream-dim); font-size:1.05rem; line-height:1.7; position:relative; }
.cta-price{
  margin-top:1rem; font-family:'Playfair Display', serif; font-size:1.4rem; color:var(--gold-light); position:relative;
}
.cta-price span{ display:block; font-family:'Inter',sans-serif; font-size:0.7rem; letter-spacing:0.2em; text-transform:uppercase; color:var(--cream-dim); margin-bottom:0.3rem; }

/* ============ footer ============ */
.footer{ padding:3rem 1.5rem 2.4rem; border-top:1px solid var(--line); background:var(--black); }
.footer-inner{ max-width:1280px; margin:0 auto; display:flex; flex-direction:column; align-items:center; gap:1rem; text-align:center; }
.brand--footer{ font-size:1rem; }
.footer p{ font-size:0.78rem; color:var(--cream-dim); }
.footer-links{ display:flex; gap:1.6rem; }
.footer-links a{ font-size:0.78rem; letter-spacing:0.08em; color:var(--cream-dim); transition:color .3s; }
.footer-links a:hover{ color:var(--gold); }