/* ============================================================
   Diode Laser India — Design System (Gold / Cream)
   Shared across diodelaser.in & diodelasermachine.in
   ============================================================ */
:root{
  --bg:#fbf8f3;
  --card:#ffffff;
  --ink:#1f1f1f;
  --dark:#111827;
  --muted:#666666;
  --gold:#b58a45;
  --gold-2:#9d7436;
  --gold-soft:#f4ead9;
  --border:#eadfce;
  --soft:#f5efe6;
  --success:#0a9b73;
  --shadow:0 18px 50px rgba(0,0,0,.06);
  --shadow-soft:0 12px 34px rgba(0,0,0,.04);
  --radius:26px;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,Segoe UI,Arial,sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.65;
  overflow-x:hidden;
}
body:before{
  content:"";position:fixed;inset:0;z-index:-3;
  background:
    radial-gradient(circle at 12% 8%,rgba(181,138,69,.10),transparent 30%),
    radial-gradient(circle at 88% 6%,rgba(181,138,69,.08),transparent 32%),
    linear-gradient(180deg,#fffdf9 0%,#fbf8f3 46%,#f6efe4 100%);
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3{letter-spacing:-.03em}
.container{width:min(var(--max),calc(100% - 36px));margin-inline:auto}
.eyebrow{display:inline-block;color:var(--gold);font-weight:700;letter-spacing:.08em;text-transform:uppercase;font-size:13px;margin-bottom:12px}

/* ---------- Buttons ---------- */
.button{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 22px;border-radius:999px;font-weight:800;font-size:14px;
  transition:.25s ease;border:1px solid transparent;cursor:pointer;
  font-family:inherit;line-height:1;
}
.button.primary{background:var(--gold);color:#fff;box-shadow:0 14px 30px rgba(181,138,69,.22)}
.button.primary:hover{background:var(--gold-2);transform:translateY(-2px);box-shadow:0 20px 40px rgba(181,138,69,.28)}
.button.secondary{background:#fff;color:var(--dark);border-color:var(--border)}
.button.secondary:hover{border-color:var(--gold);transform:translateY(-2px)}
.button.dark{background:var(--dark);color:#fff}
.button.dark:hover{background:#000;transform:translateY(-2px)}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:90;backdrop-filter:blur(16px);background:rgba(251,248,243,.82);border-bottom:1px solid var(--border)}
.header-inner{height:74px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:20px;color:var(--dark);min-width:max-content}
.brand .logo-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--gold),#d9b673);display:grid;place-items:center;color:#fff;font-weight:900;font-size:18px;box-shadow:0 8px 20px rgba(181,138,69,.3)}
.brand small{display:block;font-size:11px;font-weight:700;color:var(--gold);letter-spacing:.12em;text-transform:uppercase;margin-top:1px}
.nav{display:flex;align-items:center;gap:4px;font-size:13.5px;font-weight:700;color:#2c2c2c}
.nav a{padding:9px 12px;border-radius:999px;transition:.22s ease}
.nav a:hover{background:var(--soft);color:var(--gold)}
.nav-phone{background:rgba(181,138,69,.1)!important;color:var(--gold)!important;border:1px solid rgba(181,138,69,.25);padding:8px 12px!important}
.nav-phone:hover{background:var(--gold)!important;color:#fff!important}
.menu-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.menu-toggle span{width:24px;height:2px;background:var(--dark);border-radius:2px;transition:.25s}
.sidebar-backdrop{position:fixed;inset:0;background:rgba(17,24,39,.4);opacity:0;visibility:hidden;transition:.3s;z-index:95}
.sidebar-backdrop.show{opacity:1;visibility:visible}
.mobile-sidebar{position:fixed;top:0;right:-320px;width:300px;max-width:84vw;height:100%;background:var(--bg);z-index:96;padding:22px;transition:.32s cubic-bezier(.4,0,.2,1);box-shadow:-20px 0 50px rgba(0,0,0,.12);display:flex;flex-direction:column}
.mobile-sidebar.open{right:0}
.sidebar-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.sidebar-close{background:none;border:0;font-size:30px;line-height:1;color:var(--muted);cursor:pointer}
.sidebar-nav{display:flex;flex-direction:column;gap:4px}
.sidebar-nav a{padding:13px 14px;border-radius:14px;font-weight:700;color:var(--dark);transition:.2s}
.sidebar-nav a:hover{background:var(--soft);color:var(--gold)}
.sidebar-phone{background:var(--gold)!important;color:#fff!important;text-align:center;margin-top:10px}

/* ---------- Hero ---------- */
.hero{padding:48px 0 8px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center;padding:48px;border-radius:28px;background:linear-gradient(135deg,#fffaf2,#ffffff);border:1px solid var(--border);box-shadow:var(--shadow)}
.hero-grid h1{font-size:clamp(34px,5vw,62px);line-height:1.08;margin:0 0 18px;color:var(--dark)}
.hero-grid p.lead{font-size:18px;color:var(--muted);margin:0 0 26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-media img{width:100%;border-radius:24px;object-fit:cover;box-shadow:var(--shadow-soft)}
.kicker{display:inline-flex;align-items:center;gap:9px;background:#fff;border:1px solid var(--border);border-radius:999px;padding:7px 13px;font-size:12px;font-weight:800;color:var(--gold);margin-bottom:14px}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--success);box-shadow:0 0 0 5px rgba(10,155,115,.16);animation:pulse 1.8s ease-in-out infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 4px rgba(10,155,115,.18)}50%{box-shadow:0 0 0 8px rgba(10,155,115,0)}}

/* ---------- Stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:30px}
.stat{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:22px;text-align:center;box-shadow:var(--shadow-soft)}
.stat strong{display:block;font-size:30px;color:var(--gold);letter-spacing:-.04em}
.stat span{font-size:13px;color:var(--muted)}

/* ---------- Sections ---------- */
.section{margin-top:34px}
.panel{padding:42px;border-radius:26px;background:var(--card);border:1px solid var(--border);box-shadow:var(--shadow-soft)}
.panel h2{font-size:clamp(26px,3vw,40px);line-height:1.18;margin:0 0 16px;color:var(--dark)}
.panel p{color:var(--muted);font-size:17px;margin:0 0 18px}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}
.two-col img{width:100%;border-radius:24px;object-fit:cover}
.section-head{text-align:center;max-width:760px;margin:0 auto 26px}
.section-head h2{font-size:clamp(26px,3.4vw,42px);margin:0 0 12px;color:var(--dark)}
.section-head p{color:var(--muted);font-size:17px;margin:0}

/* ---------- Cards grid ---------- */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:24px}
.info-card{padding:24px;border-radius:20px;background:var(--soft);border:1px solid var(--border)}
.info-card h3{margin:0 0 10px;font-size:20px;color:var(--dark)}
.info-card p{font-size:15.5px;margin:0;color:var(--muted)}

/* ---------- Feature list (2-col ticks) ---------- */
.tick-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:22px;padding:0;list-style:none}
.tick-list li{background:#fff;border:1px solid var(--border);padding:14px 16px;border-radius:16px;color:var(--dark);font-weight:700}
.tick-list li span{color:var(--gold);margin-right:8px;font-weight:900}

/* ---------- Price / dark box ---------- */
.dark-box{background:linear-gradient(135deg,#111827,#2b2117);color:#fff;padding:34px;border-radius:24px;margin-top:24px}
.dark-box h3{margin:0 0 12px;font-size:26px;color:#fff}
.dark-box p{color:#f4ead9;margin:0 0 18px}

/* ---------- Product cards ---------- */
.product-card{background:var(--card);border:1px solid var(--border);border-radius:24px;overflow:hidden;display:flex;flex-direction:column;transition:.28s ease;position:relative}
.product-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#dcc79c}
.product-card .pc-img{aspect-ratio:4/3;background:linear-gradient(150deg,#fff,#f6efe2);display:flex;align-items:center;justify-content:center;overflow:hidden}
.product-card .pc-img img{width:100%;height:100%;object-fit:cover}
.product-card .pc-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.product-card .pc-cat{font-size:11px;font-weight:900;color:var(--gold);text-transform:uppercase;letter-spacing:.1em}
.product-card h3{margin:0;font-size:19px;color:var(--dark);line-height:1.25}
.product-card p{margin:0;font-size:14.5px;color:var(--muted);flex:1}
.product-card .button{margin-top:6px;align-self:flex-start;font-size:13px;padding:11px 18px}
.card-badge{position:absolute;top:14px;right:14px;z-index:2;background:var(--gold);color:#fff;font-size:11px;font-weight:900;padding:5px 11px;border-radius:999px;letter-spacing:.03em}

/* ---------- FAQ accordion ---------- */
.faq details{background:#fff;border:1px solid var(--border);border-radius:16px;padding:18px 20px;margin-top:14px}
.faq summary{cursor:pointer;font-weight:800;color:var(--dark);list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:22px;color:var(--gold);font-weight:700;transition:.2s}
.faq details[open] summary::after{content:"–"}
.faq p{margin:12px 0 0;color:var(--muted)}

/* ---------- Final CTA ---------- */
.final-cta{margin-top:36px;padding:46px;border-radius:28px;background:linear-gradient(135deg,#fff7ea,#ffffff);border:1px solid var(--border);text-align:center}
.final-cta h2{font-size:clamp(28px,4vw,46px);margin:0 0 14px;color:var(--dark)}
.final-cta p{max-width:780px;margin:0 auto 24px;color:var(--muted);font-size:18px}
.final-cta .hero-actions{justify-content:center}

/* ---------- Distributor band ---------- */
.distributor{padding:30px;border-radius:24px;background:linear-gradient(135deg,#1b1408,#2b2117);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-top:34px}
.distributor h3{margin:0 0 6px;font-size:22px;color:#fff}
.distributor p{margin:0;color:#e8d9c0;font-size:15px;max-width:560px}
.distributor .hero-actions{flex-wrap:nowrap}

/* ---------- Footer ---------- */
.footer{margin-top:56px;background:#1b1408;color:#e7ddcd;padding:48px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:34px}
.footer .brand{color:#fff}
.footer p{color:#bcae93;font-size:14px;margin:14px 0 0;max-width:340px}
.footer strong{display:block;color:#fff;font-size:14px;margin-bottom:12px;letter-spacing:.02em}
.footer a{display:block;color:#cdbfa6;font-size:14px;padding:5px 0;transition:.2s}
.footer a:hover{color:var(--gold)}
.footer .foot-mark{display:flex;align-items:center;gap:10px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:34px;padding-top:20px;font-size:12.5px;color:#9c8e76;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* ---------- Key Takeaways (GEO answer box) ---------- */
.takeaways{background:linear-gradient(135deg,#fff7ea,#ffffff);border:1px solid var(--border);border-left:4px solid var(--gold);border-radius:16px;padding:22px 24px;margin:0 0 26px}
.takeaways strong{display:block;font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--gold);margin-bottom:10px}
.takeaways ul{margin:0;padding-left:0;list-style:none}
.takeaways li{position:relative;padding:6px 0 6px 26px;color:var(--dark);font-size:16px;font-weight:600;border:0}
.takeaways li:before{content:"→";position:absolute;left:0;color:var(--gold);font-weight:900}

/* ---------- Article / prose ---------- */
.article-hero{padding:42px 0 6px}
.article-hero h1{font-size:clamp(30px,4.4vw,52px);line-height:1.1;margin:10px 0 14px;color:var(--dark);max-width:860px}
.article-meta{font-size:13px;color:var(--muted);font-weight:700}
.article-cover{margin-top:22px;border-radius:24px;overflow:hidden;border:1px solid var(--border)}
.article-cover img{width:100%;object-fit:cover}
.prose{max-width:820px}
.prose h2{font-size:clamp(22px,2.6vw,32px);margin:34px 0 12px;color:var(--dark)}
.prose h3{font-size:20px;margin:24px 0 8px;color:var(--dark)}
.prose p{font-size:17px;color:#444;margin:0 0 16px}
.prose ul{margin:0 0 18px;padding-left:0;list-style:none}
.prose ul li{position:relative;padding:8px 0 8px 28px;color:#444;font-size:16.5px;border-bottom:1px solid var(--border)}
.prose ul li:before{content:"✓";position:absolute;left:0;color:var(--gold);font-weight:900}
.prose a{color:var(--gold);font-weight:700;text-decoration:underline;text-underline-offset:3px}
.prose .lead{font-size:19px;color:var(--muted)}
.prose table{width:100%;border-collapse:collapse;margin:8px 0 22px;font-size:15.5px}
.prose th{text-align:left;padding:11px 14px;background:var(--soft);color:var(--gold);font-weight:900;font-size:12px;text-transform:uppercase;letter-spacing:.05em;border:1px solid var(--border)}
.prose td{padding:11px 14px;border:1px solid var(--border);color:var(--dark)}
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:8px}
.related a{display:block;padding:18px;border-radius:16px;background:var(--soft);border:1px solid var(--border);font-weight:700;color:var(--dark);transition:.2s}
.related a:hover{border-color:var(--gold);color:var(--gold);transform:translateY(-3px)}
@media(max-width:760px){.related{grid-template-columns:1fr}}

/* ---------- Breadcrumb ---------- */
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:18px}
.breadcrumb a{color:var(--gold);font-weight:700}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:.7s cubic-bezier(.2,.8,.2,1)}
.reveal.show{opacity:1;transform:none}

/* ---------- WhatsApp floating ---------- */
.wa-float{position:fixed;right:18px;bottom:18px;z-index:80;background:#25d366;color:#fff;border-radius:999px;padding:13px 20px;font-weight:800;font-size:14px;box-shadow:0 16px 36px rgba(37,211,102,.4);transition:.25s;display:inline-flex;align-items:center;gap:8px}
.wa-float:hover{transform:translateY(-3px)}

/* ---------- Responsive ---------- */
@media(max-width:900px){
  .nav{display:none}
  .menu-toggle{display:flex}
  .hero-grid,.two-col{grid-template-columns:1fr;padding:28px}
  .grid{grid-template-columns:1fr}
  .tick-list{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .panel{padding:28px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .distributor{flex-direction:column;align-items:flex-start}
}
@media(max-width:560px){
  .footer-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  .hero-grid,.panel,.final-cta{padding:22px}
}