:root{
  --bg:#ffffff; --fg:#0a0a0a; --muted:#6b6b6b; --line:#eaeaea; --radius:16px; --maxw:1200px;
  --space-1:4px; --space-2:8px; --space-3:12px; --space-4:16px; --space-6:24px; --space-8:32px; --space-10:48px; --space-12:64px;
  --navh:64px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--fg);font-family:-apple-system,BlinkMacSystemFont,"Helvetica Neue",Helvetica,Arial,"Segoe UI",Roboto,sans-serif;line-height:1.5}

/* Layout */
.container{max-width:var(--maxw);margin-inline:auto;padding-inline:24px}
header{position:sticky;top:0;background:rgba(255,255,255,.86);backdrop-filter:saturate(180%) blur(12px);/* keep header line for structure */border-bottom:1px solid var(--line);z-index:20}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:var(--navh)}
.brand a{color:var(--fg);text-decoration:none;font-weight:700;letter-spacing:-0.02em;text-transform:lowercase;font-size:20px}
nav ul{display:flex;gap:16px;align-items:center;list-style:none;padding:0;margin:0}
nav a{color:var(--fg);text-decoration:none;font-size:14px;padding:8px 10px;border-radius:10px}
nav a:hover{background:#f6f6f6}

/* Mobile nav button */
.menu-btn{display:none;position:relative;width:40px;height:40px;border:1px solid var(--line);border-radius:12px;background:#fff;align-items:center;justify-content:center}
.menu-btn .bar{position:absolute;display:block;width:18px;height:2px;background:var(--fg);border-radius:2px;transition:transform .2s ease, opacity .2s ease}
.menu-btn .bar:nth-child(1){transform:translateY(-6px)}
.menu-btn .bar:nth-child(2){transform:translateY(0)}
.menu-btn .bar:nth-child(3){transform:translateY(6px)}
.menu-btn.open .bar:nth-child(1){transform:rotate(45deg)}
.menu-btn.open .bar:nth-child(2){opacity:0}
.menu-btn.open .bar:nth-child(3){transform:rotate(-45deg)}
@media (max-width:860px){
  nav ul{display:none}
  nav{flex:0 0 auto}
  .menu-btn{display:inline-flex;margin-left:auto}
  .nav.open nav ul{position:absolute;left:0;right:0;top:var(--navh);background:#fff;border-bottom:1px solid var(--line);display:flex;flex-direction:column}
  .nav.open nav a{width:100%;padding:16px 20px;border-top:1px solid var(--line)}
}
  nav{flex:0 0 auto}              /* don't let nav block push the button */
  .menu-btn{display:none;position:relative;width:40px;height:40px;border:1px solid var(--line);border-radius:12px;background:#fff;align-items:center;justify-content:center} /* shove to far right */
  .nav.open nav ul{position:absolute;left:0;right:0;top:var(--navh);background:#fff;border-bottom:1px solid var(--line);display:flex;flex-direction:column}
  .nav.open nav a{width:100%;padding:16px 20px;border-top:1px solid var(--line)}
}
  .menu-btn{display:none;position:relative;width:40px;height:40px;border:1px solid var(--line);border-radius:12px;background:#fff;align-items:center;justify-content:center}
  .nav.open nav ul{position:absolute;left:0;right:0;top:var(--navh);background:#fff;border-bottom:1px solid var(--line);display:flex;flex-direction:column}
  .nav.open nav a{width:100%;padding:16px 20px;border-top:1px solid var(--line)}
}
@media (min-width:861px){ .menu-btn{display:none;position:relative;width:40px;height:40px;border:1px solid var(--line);border-radius:12px;background:#fff;align-items:center;justify-content:center} }

/* Sections (no separating lines; just breathing room) */
section{padding-block: clamp(40px, 6vw, 84px);}

/* Typography */
h1{font-size: clamp(36px, 6vw, 64px);line-height:1.02;letter-spacing:-0.02em;margin:0 0 6px}
h2{font-size: clamp(26px, 4.6vw, 40px);letter-spacing:-0.02em;margin:0 0 8px}
.lead{color:#3a3a3a;max-width:68ch}
.muted{color:var(--muted)}

/* Buttons */
.cta{display:flex;gap:12px;margin-top:var(--space-4);flex-wrap:wrap}
.btn{appearance:none;border:1px solid var(--line);background:#fff;padding:12px 18px;border-radius:14px;font-weight:600;letter-spacing:-0.01em;text-decoration:none;color:var(--fg);display:inline-block}
.btn:hover{border-color:#d8d8d8;box-shadow:0 1px 0 rgba(0,0,0,.04)}
.btn.primary{background:var(--fg);color:#fff;border-color:var(--fg)}
.btn.primary:hover{filter:brightness(.95)}

/* Cards & grids */
.card{border:1px solid var(--line);border-radius:14px;padding: var(--space-4);background:#fff}
.stage{display:grid;grid-template-columns:1.2fr 1fr;gap: var(--space-6);align-items:center;margin-top: var(--space-6)}
@media (max-width: 900px){.stage{grid-template-columns:1fr}}
.specs{display:grid;grid-template-columns: repeat(4, 1fr);gap: var(--space-3);margin-top: var(--space-4)}
.spec{border:1px solid var(--line);border-radius:12px;padding:14px}
.spec b{display:block;font-size:14px}
.spec span{color:var(--muted);font-size:13px}
@media (max-width: 900px){.specs{grid-template-columns:1fr 1fr}}
@media (max-width: 520px){.specs{grid-template-columns:1fr}}

.two-col{display:grid;grid-template-columns: 1.15fr 1fr;column-gap: var(--space-8);row-gap: var(--space-6);align-items:start}
@media (max-width: 900px){.two-col{grid-template-columns:1fr; row-gap: var(--space-6);}}

.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap: var(--space-3);margin-top: var(--space-3)}
@media (max-width: 900px){.gallery{grid-template-columns:1fr 1fr}}
@media (max-width: 520px){.gallery{grid-template-columns:1fr}}
.ph{aspect-ratio:1;border:1px solid var(--line);border-radius:12px;display:grid;place-items:center;position:relative;overflow:hidden}
.ph:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,#fcfcfc, #f5f5f5)}
.ph span{position:relative;font-size:12px;color:var(--muted)}

/* Watch plate */
.watch-card{border:1px solid var(--line);border-radius:var(--radius);padding:20px;background:linear-gradient(180deg,#fff,#fafafa)}
.watch-plate{aspect-ratio: 4/3;border-radius:12px;border:1px solid var(--line);background:radial-gradient(circle at 60% 40%, #ffffff 0%, #f3f3f3 50%, #eaeaea 100%);display:grid;place-items:center;position:relative;overflow:hidden;margin-top:12px}
.watch-svg{width:min(100%,520px);height:auto;filter: drop-shadow(0 10px 30px rgba(0,0,0,.06))}

/* Forms */
input, textarea{font:inherit}
label{display:block;font-size:13px;color:#333}
/* Intro blurbs above forms */
.contact-intro, .newsletter-intro{margin-bottom: var(--space-8)}

/* Footer */
footer{padding-block: clamp(40px, 8vw, 80px); /* no border-top */}
.footgrid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px}
@media (max-width:900px){.footgrid{grid-template-columns:1fr}}
.wordmark{font-size: clamp(40px,12vw,120px);font-weight:800;letter-spacing:-0.04em;line-height:.85;text-transform:lowercase}
.footnav a{display:block;color:var(--fg);text-decoration:none;padding:8px 0}
.legal{margin-top:12px;color:var(--muted);font-size:12px}

/* Reveal */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease, transform .6s ease}
.reveal.in{opacity:1;transform:none}
/* Steps grid (About section) */
.steps{display:grid;grid-template-columns:repeat(2,1fr);gap: var(--space-8);margin-top: var(--space-4)}
@media (max-width: 900px){.steps{display:grid;grid-template-columns:repeat(2,1fr);gap: var(--space-8);margin-top: var(--space-4)}}
.step.card{height:100%;display:flex;flex-direction:column;justify-content:flex-start}
@media (max-width: 900px){.steps{display:grid;grid-template-columns:repeat(2,1fr);gap: var(--space-8);margin-top: var(--space-4)}}

@media (max-width: 900px){.steps{grid-template-columns:1fr; gap: var(--space-8)}}

@media (max-width: 600px){.card{padding: 20px;}}

@media (max-width: 600px){ section { padding-block: clamp(56px, 12vw, 96px); } }

@media (min-width:861px){ .menu-btn{display:none !important} }