/* ============================================================
   KAIROS — Design Tokens
   Obsidian ink background · patina copper accent · deep teal secondary
   Display: Fraunces (light, editorial) · Body/UI: Inter
   ============================================================ */

:root{
  --obsidian:   #0A0D12;
  --panel:      #12151B;
  --panel-2:    #171B22;
  --bone:       #EDEAE4;
  --stone:      #938E86;
  --stone-dim:  #5E5B57;
  --copper:     #B8703F;
  --copper-l:   #D69A6E;
  --teal:       #3C6B63;
  --line:       rgba(237,234,228,0.10);
  --line-strong:rgba(237,234,228,0.18);

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --container: 1180px;
  --ease: cubic-bezier(.16,.8,.24,1);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}

body{
  margin:0;
  background:var(--obsidian);
  color:var(--bone);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img,svg{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }

::selection{ background:var(--copper); color:var(--obsidian); }

/* subtle grain overlay for texture */
.grain{
  position:fixed; inset:0; pointer-events:none; z-index:9999;
  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");
}

/* ---------- utility ---------- */
.eyebrow{
  font-family:var(--font-body);
  font-size:0.72rem;
  letter-spacing:0.22em;
  text-transform:uppercase;
  color:var(--copper-l);
  margin:0 0 1.1rem;
  font-weight:500;
}
.section-title{
  font-family:var(--font-display);
  font-weight:400;
  font-size:clamp(1.9rem, 3.4vw, 2.9rem);
  line-height:1.15;
  margin:0 0 1rem;
  color:var(--bone);
}
.section-desc{
  color:var(--stone);
  font-size:1.02rem;
  max-width:46ch;
  margin:0 0 1rem;
}
.section-head{
  max-width:var(--container);
  margin:0 auto;
  padding:0 6vw;
  text-align:left;
  margin-bottom:3.4rem;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:0.95rem 1.9rem;
  font-family:var(--font-body);
  font-size:0.85rem;
  font-weight:600;
  letter-spacing:0.03em;
  border-radius:2px;
  border:1px solid transparent;
  cursor:pointer;
  transition:all 0.35s var(--ease);
}
.btn--primary{
  background:var(--copper);
  color:var(--obsidian);
}
.btn--primary:hover{ background:var(--copper-l); transform:translateY(-1px); }
.btn--ghost{
  border-color:var(--line-strong);
  color:var(--bone);
  background:transparent;
}
.btn--ghost:hover{ border-color:var(--copper-l); color:var(--copper-l); }
.btn--full{ width:100%; }

/* reveal-on-scroll */
[data-reveal]{
  opacity:0;
  transform:translateY(22px);
  transition:opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
[data-reveal].is-visible{ opacity:1; transform:translateY(0); }

/* ============================================================
   NAV
   ============================================================ */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:500;
  padding:1.3rem 0;
  background:linear-gradient(to bottom, rgba(10,13,18,0.92), rgba(10,13,18,0));
  transition:background 0.4s var(--ease), padding 0.4s var(--ease);
}
.nav.is-scrolled{
  padding:0.9rem 0;
  background:rgba(10,13,18,0.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav__inner{
  max-width:var(--container);
  margin:0 auto;
  padding:0 6vw;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:2rem;
}
.nav__logo{
  font-family:var(--font-display);
  font-size:1.25rem;
  letter-spacing:0.14em;
  font-weight:500;
}
.nav__links{
  display:flex; gap:2.4rem;
  font-size:0.85rem;
  color:var(--stone);
}
.nav__links a{ transition:color 0.3s var(--ease); }
.nav__links a:hover{ color:var(--bone); }
.nav__cta{
  font-size:0.8rem;
  font-weight:600;
  letter-spacing:0.03em;
  padding:0.6rem 1.3rem;
  border:1px solid var(--line-strong);
  border-radius:2px;
  transition:all 0.3s var(--ease);
}
.nav__cta:hover{ border-color:var(--copper-l); color:var(--copper-l); }
.nav__burger{
  display:none;
  width:34px; height:34px;
  background:none; border:none; cursor:pointer;
  flex-direction:column; align-items:center; justify-content:center; gap:6px;
}
.nav__burger span{
  width:20px; height:1px; background:var(--bone); display:block;
}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  padding:9.5rem 0 0;
  position:relative;
}
.hero__inner{
  max-width:var(--container);
  margin:0 auto;
  padding:0 6vw;
  display:grid;
  grid-template-columns:1.05fr 0.95fr;
  gap:3rem;
  align-items:center;
}
.hero__title{
  font-family:var(--font-display);
  font-weight:300;
  font-size:clamp(2.6rem, 6vw, 4.6rem);
  line-height:1.04;
  margin:0 0 1.6rem;
  letter-spacing:-0.01em;
}
.hero__title em{
  font-style:italic;
  font-weight:400;
  color:var(--copper-l);
}
.hero__desc{
  color:var(--stone);
  font-size:1.05rem;
  max-width:44ch;
  margin:0 0 2.3rem;
}
.hero__actions{ display:flex; gap:1rem; flex-wrap:wrap; }

.hero__visual{
  display:flex; flex-direction:column; align-items:center; gap:1.2rem;
  position:relative;
}
.hero__visual::before{
  content:'';
  position:absolute;
  width:120%; height:120%;
  top:-10%; left:-10%;
  background:radial-gradient(circle, rgba(184,112,63,0.16), transparent 65%);
  z-index:0;
  pointer-events:none;
}
.hero__visual .watch-visual{ position:relative; z-index:1; }
.hero__visual-caption{
  font-size:0.75rem;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--stone-dim);
  position:relative; z-index:1;
}

/* marquee */
.marquee{
  margin-top:6rem;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  overflow:hidden;
  padding:1.1rem 0;
}
.marquee__track{
  display:flex;
  gap:1.4rem;
  white-space:nowrap;
  width:max-content;
  animation:scroll-left 34s linear infinite;
  font-size:0.78rem;
  letter-spacing:0.16em;
  color:var(--stone-dim);
}
.marquee__track span:nth-child(2n){ color:var(--copper); }
@keyframes scroll-left{
  from{ transform:translateX(0); }
  to{ transform:translateX(-50%); }
}

/* ============================================================
   WATCH VISUAL (SVG rendered via JS)
   ============================================================ */
.watch-visual{
  width:280px; height:280px;
  position:relative;
}
.watch-visual--hero{ width:340px; height:340px; }
.watch-visual svg{ width:100%; height:100%; overflow:visible; }
.watch-hand{ transform-origin:center; transition:transform 0.2s cubic-bezier(.4,2.2,.4,1); }

/* ============================================================
   SHOWCASE / KOLEKSI
   ============================================================ */
.showcase{ padding:8.5rem 0 8rem; }
.showcase__grid{
  max-width:var(--container);
  margin:0 auto;
  padding:0 6vw;
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:1.6rem;
}
.watch-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:4px;
  padding:2.6rem 2rem 2.4rem;
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
  transition:border-color 0.4s var(--ease), transform 0.4s var(--ease);
}
.watch-card:hover{ border-color:var(--line-strong); transform:translateY(-4px); }
.watch-card--elevated{
  background:var(--panel-2);
  border-color:var(--line-strong);
}
.watch-card__stage{
  width:180px; height:180px;
  margin-bottom:2rem;
}
.watch-card__stage .watch-visual{ width:100%; height:100%; }
.watch-card__info h3{
  font-family:var(--font-display);
  font-size:1.5rem;
  font-weight:500;
  margin:0 0 0.4rem;
}
.watch-card__tag{
  color:var(--copper-l);
  font-size:0.82rem;
  margin:0 0 1.1rem;
  font-style:italic;
  font-family:var(--font-display);
}
.watch-card__desc{
  color:var(--stone);
  font-size:0.92rem;
  margin:0 0 1.4rem;
}
.watch-card__specs{
  border-top:1px solid var(--line);
  padding-top:1.1rem;
  width:100%;
  display:flex;
  flex-direction:column;
  gap:0.5rem;
  font-size:0.78rem;
  letter-spacing:0.02em;
  color:var(--stone-dim);
}

/* ============================================================
   CRAFT / KERAJINAN
   ============================================================ */
.craft{
  padding:7rem 0;
  background:var(--panel);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.craft__inner{
  max-width:var(--container);
  margin:0 auto;
  padding:0 6vw;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:4rem;
  align-items:center;
}
.craft__visual{
  display:flex;
  flex-direction:column;
  gap:0.9rem;
}
.craft__swatch{
  border-radius:4px;
  padding:1.6rem 1.8rem;
  display:flex;
  align-items:baseline;
  gap:1.2rem;
  border:1px solid var(--line);
  position:relative;
  overflow:hidden;
}
.craft__swatch span{
  font-family:var(--font-display);
  font-size:0.85rem;
  color:var(--stone-dim);
}
.craft__swatch p{
  margin:0;
  font-size:1.05rem;
  letter-spacing:0.01em;
}
.craft__swatch--titanium{ background:linear-gradient(120deg,#20242b,#2c313a 55%,#1a1d22); }
.craft__swatch--sapphire{ background:linear-gradient(120deg,#182226,#26383d 55%,#141c1f); }
.craft__swatch--ceramic{ background:linear-gradient(120deg,#211a17,#3a2a22 55%,#1a1512); }
.craft__copy .section-desc{ max-width:52ch; }

/* ============================================================
   FEATURES
   ============================================================ */
.features{ padding:8rem 0; }
.features__grid{
  max-width:var(--container);
  margin:0 auto;
  padding:0 6vw;
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
.feature{
  background:var(--obsidian);
  padding:2.6rem 2rem;
}
.feature__icon{
  width:44px; height:44px;
  color:var(--copper-l);
  margin-bottom:1.6rem;
}
.feature h3{
  font-family:var(--font-display);
  font-weight:500;
  font-size:1.12rem;
  margin:0 0 0.7rem;
}
.feature p{
  color:var(--stone);
  font-size:0.88rem;
  margin:0;
}

/* ============================================================
   STATEMENT / FILOSOFI
   ============================================================ */
.statement{
  padding:9rem 0;
  background:var(--panel);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  text-align:center;
}
.statement__inner{
  max-width:780px;
  margin:0 auto;
  padding:0 6vw;
}
.statement__quote{
  font-family:var(--font-display);
  font-style:italic;
  font-weight:400;
  font-size:clamp(1.5rem, 3vw, 2.2rem);
  line-height:1.4;
  color:var(--bone);
  margin:0 0 1.6rem;
}
.statement__attr{
  color:var(--copper-l);
  font-size:0.85rem;
  letter-spacing:0.08em;
  text-transform:uppercase;
}

/* ============================================================
   ACCESS / FORM
   ============================================================ */
.access{ padding:8.5rem 0; }
.access__inner{
  max-width:var(--container);
  margin:0 auto;
  padding:0 6vw;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:4.5rem;
}
.access__copy .section-desc{ max-width:46ch; }
.access__form{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:4px;
  padding:2.6rem;
  display:flex;
  flex-direction:column;
  gap:1.3rem;
}
.hidden-field{ position:absolute; left:-9999px; }
.field{ display:flex; flex-direction:column; gap:0.5rem; }
.field label{
  font-size:0.75rem;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--stone);
}
.field input,
.field select,
.field textarea{
  background:var(--obsidian);
  border:1px solid var(--line-strong);
  border-radius:2px;
  padding:0.8rem 0.9rem;
  color:var(--bone);
  font-family:var(--font-body);
  font-size:0.92rem;
  resize:vertical;
}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--copper-l);
}
.access__note{
  text-align:center;
  color:var(--stone-dim);
  font-size:0.78rem;
  margin:0.2rem 0 0;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{
  border-top:1px solid var(--line);
  padding:3rem 0;
}
.footer__inner{
  max-width:var(--container);
  margin:0 auto;
  padding:0 6vw;
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:1.5rem;
}
.footer__logo{
  font-family:var(--font-display);
  letter-spacing:0.14em;
  font-size:1.05rem;
}
.footer__links{ display:flex; gap:1.8rem; font-size:0.82rem; color:var(--stone); }
.footer__links a:hover{ color:var(--bone); }
.footer__copy{ color:var(--stone-dim); font-size:0.78rem; margin:0; }

/* keyboard focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible{
  outline:2px solid var(--copper-l);
  outline-offset:2px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 980px){
  .hero__inner{ grid-template-columns:1fr; text-align:left; }
  .hero__visual{ order:-1; margin-bottom:1rem; }
  .watch-visual--hero{ width:250px; height:250px; }
  .showcase__grid{ grid-template-columns:1fr; }
  .craft__inner{ grid-template-columns:1fr; gap:2.5rem; }
  .features__grid{ grid-template-columns:repeat(2, 1fr); }
  .access__inner{ grid-template-columns:1fr; gap:2.5rem; }
  .nav__links{ display:none; }
}

@media (max-width: 600px){
  .features__grid{ grid-template-columns:1fr; }
  .nav__cta{ display:none; }
  .hero{ padding-top:7.5rem; }
  .watch-card__stage{ width:150px; height:150px; }
}