/* ================================================
   CNCQuoter Landing Page — landing.css
   Redesigned 2026-06-06 · Light theme
   ================================================ */

/* ── 1. Design Tokens ──────────────────────────── */
:root {
  --c-accent:#eab308;
  --c-accent-strong:#ca8a04;
  --c-accent-soft:#fef3c7;
  --c-ink:#0a0a0a;
  --c-paper:#fafafa;
  --c-primary:#111;
  --c-success:#16a34a;
  --c-success-bg:rgba(22,163,74,.08);
  --c-danger:#dc2626;
  --c-text-1:#0a0a0a;
  --c-text-2:#555;
  --c-text-3:#6b6b6b;
  --c-text-4:#8c8c8c;
  --c-border-1:rgba(0,0,0,.08);
  --c-border-2:rgba(0,0,0,.16);
  --c-bg-1:#fff;
  --c-bg-2:#fafafa;
  --c-bg-3:#f3f4f6;
  --c-navy:#0f172a;
  --c-navy-2:#1e293b;
  --font-sans:-apple-system,BlinkMacSystemFont,'Inter','Segoe UI','PingFang SC','Source Han Sans CN','Microsoft YaHei',sans-serif;
  --font-mono:'JetBrains Mono','IBM Plex Mono','SF Mono',ui-monospace,'Cascadia Code',Menlo,Consolas,monospace;
  --radius-1:6px;
  --radius-2:10px;
  --radius-3:16px;
  --radius-4:24px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(0,0,0,.04),0 1px 3px rgba(0,0,0,.06);
  --shadow-2:0 4px 12px rgba(0,0,0,.06),0 2px 4px rgba(0,0,0,.04);
  --shadow-3:0 12px 32px rgba(0,0,0,.10),0 4px 12px rgba(0,0,0,.06);
  --shadow-focus:0 0 0 3px rgba(234,179,8,.25);
  --transition:all .2s ease;
  --container-max:1200px; /* allow-drift:--container-max — landing density (tokens=1280) */
  /* Aliases used by pl-* portal components */
  --c-bg:var(--c-bg-1);
  --c-border:var(--c-border-1);
  --c-text:var(--c-text-1);
}

/* ── 2. Base ───────────────────────────────────── */
*{margin:0;padding:0;box-sizing:border-box}
html,body{overflow-x:clip} /* defense against negative-margin bleed (e.g. .l-carousel-wrap margin:0 -24px) */
body{font-family:var(--font-sans);background:var(--c-bg-2);color:var(--c-text-1);line-height:1.6}
::selection{background:var(--c-accent);color:var(--c-ink)}
.container{max-width:var(--container-max);margin:0 auto;padding:0 24px}

/* ── 3. Logo & Buttons ─────────────────────────── */
.l-logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--c-text-1);font-weight:700;font-size:17px;letter-spacing:-.3px;flex-shrink:0}
.l-logo-mark svg{width:30px;height:30px;display:block}
.l-logo-text{font-weight:800;letter-spacing:-.3px}
.l-btn-ghost{color:var(--c-text-2);text-decoration:none;font-size:14px;font-weight:500;padding:6px 16px;border-radius:6px;transition:var(--transition)}
.l-btn-ghost:hover{color:var(--c-text-1)}
.l-burger{display:none;background:none;border:none;font-size:24px;cursor:pointer;color:var(--c-text-1);padding:4px}

/* ── 4. Promo Bar ──────────────────────────────── */
.l-promo-bar{background:linear-gradient(90deg,#dc2626,#ea580c);color:#fff;text-align:center;font-size:13px;font-weight:500;padding:8px 16px;position:relative;z-index:1100}
.l-promo-text{letter-spacing:.2px}
.l-promo-text strong{font-weight:800;margin:0 2px}
.l-promo-inner{display:flex;align-items:center;justify-content:center;min-height:24px}
/* Reserve promo-banner slot height (CLS fix): absorbs the 0→banner injection
   push that shifts l-hero. Values match measured banner render height:
   62px desktop / 107px mobile (promo-injection zh, playwright 2026-06-14).
   Mirrors promo-banner.css @media(max-width:600px) breakpoint. */
#promo-banner-slot{min-height:62px}
@media(max-width:600px){#promo-banner-slot{min-height:108px}}

/* ── 5. Mega Navigation ────────────────────────── */
.l-mega-nav{background:rgba(255,255,255,.92);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--c-border-1);position:sticky;top:0;z-index:1050}
.l-mega-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:24px;position:relative}
.l-mega-menu{display:flex;align-items:center;gap:2px;flex:1;justify-content:center}
.l-mega-item{position:relative}
.l-mega-trigger{display:inline-flex;align-items:center;gap:4px;background:none;border:none;padding:10px 14px;font-size:14px;font-weight:500;color:var(--c-text-1);cursor:pointer;border-radius:8px;transition:var(--transition);font-family:inherit}
.l-mega-trigger:hover{background:var(--c-bg-3);color:var(--c-accent-strong)}
.l-mega-caret{font-size:10px;transition:transform .2s}
.l-mega-item:hover .l-mega-caret{transform:rotate(180deg)}
.l-mega-panel{position:absolute;top:calc(100% + 8px);left:50%;transform:translateX(-50%) translateY(8px);background:var(--c-bg-1);border:1px solid var(--c-border-1);border-radius:14px;padding:24px;display:grid;grid-template-columns:repeat(4,1fr);gap:32px;min-width:720px;box-shadow:var(--shadow-3);opacity:0;visibility:hidden;transition:opacity .2s,transform .2s,visibility .2s;z-index:50}
.l-mega-item[data-menu="material"] .l-mega-panel,
.l-mega-item[data-menu="company"] .l-mega-panel{min-width:560px}
.l-mega-item[data-menu="resource"] .l-mega-panel{min-width:640px}
.l-mega-item:hover .l-mega-panel{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.l-mega-col{min-width:140px}
.l-mega-col h5{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:#4b5563;margin-bottom:12px}
.l-mega-col a{display:block;font-size:13px;color:var(--c-text-1);text-decoration:none;padding:5px 0;transition:var(--transition);white-space:nowrap}
.l-mega-col a:hover{color:#854d0e;padding-left:4px}
.l-mega-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
.cnc-lang-switcher{display:inline-flex;align-items:center;gap:2px;padding:3px;background:var(--c-bg-1);border:1px solid var(--c-border-1);border-radius:999px;margin-right:4px}
.cnc-lang-switcher button{appearance:none;background:transparent;border:0;padding:4px 10px;font-size:12px;font-weight:600;line-height:1;color:var(--c-text-2);border-radius:999px;cursor:pointer;transition:background .15s,color .15s;font-family:inherit}
.cnc-lang-switcher button:hover{color:var(--c-text-1);background:var(--c-bg-3)}
.cnc-lang-switcher button.is-active{background:var(--c-accent);color:#111}
.cnc-lang-switcher.is-floating{position:fixed;top:12px;right:16px;z-index:1100;box-shadow:var(--shadow-2)}
[data-theme="dark"] .cnc-lang-switcher{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.1)}
[data-theme="dark"] .cnc-lang-switcher button{color:rgba(255,255,255,.6)}
[data-theme="dark"] .cnc-lang-switcher button:hover{color:#fff;background:rgba(255,255,255,.08)}
.l-btn-quote{background:var(--c-accent);color:#111;text-decoration:none;font-size:14px;font-weight:600;padding:8px 18px;border-radius:8px;transition:var(--transition);box-shadow:0 2px 8px rgba(234,179,8,.25)}
.l-btn-quote:hover{background:var(--c-accent-strong);transform:translateY(-1px);box-shadow:0 4px 16px rgba(234,179,8,.35)}

/* ── 6. FAB Upload ─────────────────────────────── */
.l-fab-upload{position:fixed;right:20px;bottom:24px;z-index:90;display:inline-flex;align-items:center;gap:8px;padding:12px 18px;background:var(--c-accent);color:#111;font-weight:700;font-size:14px;border-radius:var(--radius-pill);text-decoration:none;box-shadow:0 8px 24px rgba(234,179,8,.35),0 2px 8px rgba(0,0,0,.12);transition:transform .2s,box-shadow .2s}
.l-fab-upload:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(234,179,8,.45),0 4px 12px rgba(0,0,0,.18)}
.l-fab-upload svg{flex-shrink:0}

/* ── 7. Hero Section (Light) ────────────────────── */
.l-hero{position:relative;padding:80px 0 60px;overflow:hidden;background:var(--c-bg-2)}
.l-hero-bg{position:absolute;inset:0;pointer-events:none}
.l-hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(0,0,0,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(0,0,0,.03) 1px,transparent 1px);background-size:60px 60px}
.l-hero-glow{position:absolute;border-radius:50%;filter:blur(120px)}
.l-glow-1{width:600px;height:600px;background:var(--c-accent);top:-200px;right:-100px;opacity:.12}
.l-glow-2{width:400px;height:400px;background:#3b82f6;bottom:-100px;left:-100px;opacity:.08}
.l-hero-content{display:grid;grid-template-columns:1fr 520px;gap:64px;align-items:center;position:relative;z-index:1}
.l-hero-left{max-width:580px}
.l-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;background:rgba(234,179,8,.08);border:1px solid rgba(234,179,8,.15);border-radius:100px;font-size:13px;font-weight:500;color:#854d0e;margin-bottom:24px}
.l-badge-dot{width:8px;height:8px;background:var(--c-accent);border-radius:50%;animation:l-pulse 2s ease-in-out infinite}
@keyframes l-pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.3)}}
.l-hero-title{font-size:56px;font-weight:800;line-height:1.08;letter-spacing:-2px;margin-bottom:20px;color:var(--c-text-1)}
.l-gradient-text{background:linear-gradient(135deg,var(--c-accent) 0%,#f59e0b 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.l-hero-desc{font-size:17px;line-height:1.7;color:var(--c-text-2);margin-bottom:32px}
.l-hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:40px}
.l-btn-hero{display:inline-flex!important;align-items:center;gap:10px;padding:14px 28px;background:var(--c-accent)!important;color:#111!important;text-decoration:none;font-size:16px;font-weight:700!important;border:2px solid var(--c-accent)!important;border-radius:var(--radius-2);transition:var(--transition);box-shadow:0 4px 20px rgba(234,179,8,.3)}
.l-btn-hero:hover{background:var(--c-accent-strong)!important;border-color:var(--c-accent-strong)!important;transform:translateY(-2px);box-shadow:0 8px 30px rgba(234,179,8,.4)}
.l-btn-hero-outline{display:inline-flex!important;align-items:center;gap:6px;padding:14px 28px;background:transparent!important;color:var(--c-text-1)!important;text-decoration:none;font-size:16px;font-weight:600;border-radius:var(--radius-2);border:1.5px solid var(--c-border-2)!important;transition:var(--transition)}
.l-btn-hero-outline:hover{background:var(--c-bg-3)!important;border-color:var(--c-text-3)!important}
.l-btn-hero-outline svg{opacity:.7}

/* Hero trust line */
.l-hero-trust{display:inline-flex;align-items:center;gap:8px;color:var(--c-text-3);font-size:13px;margin-top:12px}
.l-hero-trust svg{flex-shrink:0;opacity:.6}

/* Hero cert pills */
.l-hero-certs{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 8px}
.l-hero-cert{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;background:var(--c-bg-1);border:1px solid var(--c-border-1);border-radius:var(--radius-pill);font-size:12px;font-weight:500;color:var(--c-text-2);white-space:nowrap;transition:background .15s}
.l-hero-cert:hover{background:var(--c-bg-3)}
.l-hero-cert svg{width:14px;height:14px;flex-shrink:0;color:var(--c-accent)}

/* Hero metrics */
.l-hero-metrics-v2{display:flex;align-items:center;gap:32px;margin-top:28px;padding-top:24px;border-top:1px solid var(--c-border-1)}
.l-metric-primary{display:flex;flex-direction:column;align-items:flex-start}
.l-metric-primary strong{font-family:var(--font-mono);font-size:44px;line-height:1;font-weight:700;color:var(--c-accent-strong);letter-spacing:-.02em}
.l-metric-primary strong i{font-style:normal;font-size:28px;opacity:.85}
.l-metric-primary span{font-size:12px;color:var(--c-text-3);margin-top:6px;text-transform:uppercase;letter-spacing:.1em}
.l-metric-secondary-group{display:flex;gap:28px;padding-left:28px;border-left:1px solid var(--c-border-1)}
.l-metric-secondary{display:flex;flex-direction:column}
.l-metric-secondary b{font-family:var(--font-mono);font-size:22px;font-weight:700;color:var(--c-text-1);line-height:1.1}
.l-metric-secondary b sup{font-size:14px;vertical-align:super;color:var(--c-accent)}
.l-metric-secondary i{font-style:normal;font-size:12px;color:var(--c-text-2);font-weight:500;margin-top:4px}

/* Hero right — preview card */
.l-hero-right{position:relative}
.l-preview-card{background:var(--c-bg-1);border:1px solid var(--c-border-1);border-radius:var(--radius-3);overflow:hidden;box-shadow:0 20px 60px rgba(0,0,0,.08),0 4px 20px rgba(0,0,0,.04);animation:l-float 6s ease-in-out infinite}
@keyframes l-float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.l-preview-bar{display:flex;align-items:center;gap:8px;padding:12px 16px;background:var(--c-bg-2);border-bottom:1px solid var(--c-border-1)}
.l-bar-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}
.l-bar-dot.r{background:#ef4444}
.l-bar-dot.y{background:#eab308}
.l-bar-dot.g{background:#22c55e}
.l-bar-title{font-size:12px;color:var(--c-text-3);font-weight:500;margin-left:6px}
.l-preview-body{padding:16px}
.l-mini-upload{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:28px 16px;border:2px dashed var(--c-border-2);border-radius:12px;color:var(--c-text-2);font-size:14px;background:var(--c-bg-2);transition:border-color .2s}
.l-mini-upload:hover{border-color:rgba(234,179,8,.3)}
.l-mini-upload svg{width:32px;height:32px;color:var(--c-accent)}
.l-mini-upload small{font-size:11px;color:var(--c-text-3)}
.l-part-row{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.l-part-icon{width:36px;height:36px;display:flex;align-items:center;justify-content:center;color:var(--c-accent);background:rgba(234,179,8,.1);border-radius:8px;flex-shrink:0}
.l-part-icon svg{width:18px;height:18px}
.l-part-info{flex:1}
.l-part-info strong{display:block;font-size:14px;font-weight:600;color:var(--c-text-1)}
.l-part-info span{font-size:12px;color:var(--c-text-2)}
.l-part-price{text-align:right}
.l-part-price em{display:block;font-style:normal;font-size:16px;font-weight:700;color:var(--c-accent)}
.l-part-price small{font-size:11px;color:var(--c-text-3)}
.l-tiers{display:flex;gap:8px;margin-bottom:0}
.l-tier{flex:1;display:flex;flex-direction:column;align-items:center;padding:10px 6px;border-radius:8px;background:var(--c-bg-2);border:1px solid var(--c-border-1);text-align:center;transition:border-color .2s}
.l-tier.active{background:rgba(234,179,8,.08);border-color:rgba(234,179,8,.3)}
.l-tier-label{font-size:11px;color:var(--c-text-3);text-transform:uppercase;letter-spacing:.5px}
.l-tier-days{font-size:13px;font-weight:600;color:var(--c-text-1);margin:2px 0}
.l-tier-price{font-size:14px;font-weight:700;color:var(--c-accent)}
.l-dfm-bar{display:flex;align-items:center;justify-content:space-between;margin-top:12px;padding-top:10px;border-top:1px solid var(--c-border-1);font-size:12px}
.l-dfm-pass{display:inline-flex;align-items:center;gap:6px;color:#16a34a;font-weight:600}
.l-dfm-icon-pass{width:18px;height:18px;color:#16a34a;flex-shrink:0}
.l-dfm-items{color:var(--c-text-3)}
.l-mini-result{margin-top:12px}

/* ── 25. Responsive ────────────────────────────── */
@media(max-width:1024px){
  .l-hero-content{grid-template-columns:1fr;gap:48px}
  .l-hero-right{max-width:520px}
  .l-hero-title{font-size:44px}
  .l-cert-grid{grid-template-columns:repeat(4,1fr)}
  .l-stab-panel.active{grid-template-columns:1fr}
  .l-life-inner{grid-template-columns:1fr}
  .l-footer-grid{grid-template-columns:repeat(2,1fr)}
  .l-footer-brand{grid-column:1/-1;flex-direction:row;align-items:center;gap:24px}
  .l-footer-brand p{margin:0;flex:1;max-width:none}
}

@media(max-width:768px){
  /* Nav mobile */
  .l-mega-menu{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;background:var(--c-bg-1);padding:8px;border-top:1px solid var(--c-border-1);box-shadow:0 4px 12px rgba(0,0,0,.1);z-index:1040;max-height:calc(100vh - 64px);overflow-y:auto}
  .l-mega-menu.open{display:flex}
  .l-mega-item{width:100%}
  .l-mega-trigger{width:100%;justify-content:space-between;padding:12px 14px}
  .l-mega-panel{position:static;transform:none;opacity:1;visibility:visible;grid-template-columns:1fr;min-width:0;padding:8px 12px;box-shadow:none;border:none;border-radius:0;background:var(--c-bg-2);display:none}
  .l-mega-menu.open .l-mega-panel{display:grid}
  .l-mega-actions{gap:4px;display:none}
  .l-burger{display:block}

  /* Hero mobile */
  .l-hero{padding:48px 0 40px}
  .l-hero-title{font-size:34px;letter-spacing:-1px}
  .l-hero-desc{font-size:15px}
  .l-hero-content{grid-template-columns:1fr;gap:32px}
  .l-hero-right{max-width:100%}
  .l-hero-metrics-v2{flex-direction:column;align-items:flex-start;gap:20px}
  .l-metric-secondary-group{padding-left:0;border-left:none;gap:20px;flex-wrap:wrap}
  .l-metric-primary strong{font-size:36px}

  /* FAB mobile */
  .l-fab-upload span{display:none}
  .l-fab-upload{padding:14px}

  /* Sections mobile */
  .l-stats-grid{flex-wrap:wrap;gap:24px}
  .l-stat-item strong{font-size:32px}
  .l-cert-grid{grid-template-columns:repeat(2,1fr)}
  .l-why-grid{grid-template-columns:1fr}
  .l-ind-grid{grid-template-columns:1fr}
  .l-process-grid{grid-template-columns:1fr}
  .l-tiles-grid{grid-template-columns:1fr}
  .l-news-grid{grid-template-columns:1fr}
  .l-form-row{grid-template-columns:1fr}
  .l-prod-inner{flex-direction:column;text-align:center}
  .l-footer-grid{grid-template-columns:1fr;gap:20px}
  .l-footer-brand{flex-direction:column;align-items:flex-start;gap:16px}
  .l-contact-grid{grid-template-columns:1fr}
  .l-footer-bottom{flex-direction:column;gap:12px;text-align:center}
  .l-trust-clients{grid-template-columns:1fr;gap:24px;margin-top:40px}
  .l-trust-logos{gap:20px}
}