/* 03 Coastal — California product / ocean tech (cool light) */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#eef3f7;--bg-2:#ffffff;--bg-3:#e2ebf2;--ink:#0f1c2e;--muted:#5a6b7d;--faint:#8a9aab;
  --line:rgba(15,28,46,.1);--line-strong:rgba(15,28,46,.16);
  --accent:#0b6e99;--accent-2:#0891b2;--accent-dim:rgba(11,110,153,.1);
  --radius:22px;--pad:clamp(20px,4vw,72px);--max:1140px;--header-h:74px;
  --font-display:"Sora","Noto Sans TC",sans-serif;--font-body:"Noto Sans TC","Sora",sans-serif;
  --ease:cubic-bezier(.22,1,.36,1);
}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);background:radial-gradient(900px 500px at 90% -10%,rgba(8,145,178,.12),transparent 50%),var(--bg);color:var(--ink);line-height:1.65}
img{max-width:100%;display:block}a{color:inherit}ul{list-style:none}
.header{position:fixed;inset:0 0 auto;z-index:1000;height:var(--header-h);padding:0 var(--pad);display:flex;align-items:center;justify-content:space-between;background:rgba(238,243,247,.8);backdrop-filter:blur(18px);border-bottom:1px solid transparent}
.header.scrolled{background:rgba(255,255,255,.92);border-bottom-color:var(--line);box-shadow:0 10px 40px rgba(15,28,46,.05)}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--font-display);font-weight:700;font-size:1.2rem}
.logo img{width:30px;height:30px;object-fit:contain}.logo-text{font-weight:700}
.nav{flex:1;display:flex;justify-content:center}.nav ul{display:flex;flex-wrap:wrap;gap:4px 18px;justify-content:center}
.nav li a{color:var(--muted);text-decoration:none;font-size:.88rem;font-weight:500}.nav li a:hover{color:var(--accent)}.nav li a::after{display:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:14px;font:600 .9rem var(--font-body);text-decoration:none;border:1px solid transparent;cursor:pointer;transition:.25s var(--ease)}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;box-shadow:0 12px 28px rgba(11,110,153,.25)}.btn-primary:hover{transform:translateY(-2px)}
.btn-large{padding:15px 28px;font-size:1rem}.btn-outline,.btn-ghost,.btn-secondary{background:var(--bg-2);color:var(--ink);border-color:var(--line)}.btn-secondary:hover{border-color:var(--accent);color:var(--accent)}
.hero{min-height:100vh;display:grid;grid-template-columns:.95fr 1.05fr;gap:40px;align-items:center;padding:calc(var(--header-h) + 48px) var(--pad) 56px;max-width:1400px;margin:0 auto}
.hero-copy{background:rgba(255,255,255,.72);border:1px solid var(--line);border-radius:28px;padding:40px 36px;backdrop-filter:blur(10px);box-shadow:0 20px 60px rgba(15,28,46,.06)}
.hero-badge{display:inline-flex;align-items:center;gap:10px;padding:8px 14px;border-radius:999px;background:var(--accent-dim);color:var(--accent);font-size:.78rem;font-weight:600;margin-bottom:18px}
.hero-badge-dot{width:7px;height:7px;border-radius:50%;background:var(--accent)}
.hero-title{font-family:var(--font-display);font-size:clamp(2.2rem,4.8vw,3.6rem);font-weight:700;line-height:1.12;letter-spacing:-.03em;margin-bottom:16px}
.hero-title-gradient{background:linear-gradient(120deg,var(--ink),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-subtitle{color:var(--muted);margin-bottom:26px;font-size:1.02rem}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.product-preview{min-height:460px}.product-preview-wrapper{height:100%;min-height:460px;border-radius:32px;overflow:hidden;border:1px solid var(--line);background:var(--bg-2);box-shadow:0 40px 100px rgba(15,28,46,.12)}
.product-preview img{width:100%!important;height:100%!important;margin:0!important;object-fit:cover}
.features,.showcase,.workflow{padding:clamp(72px,10vw,110px) var(--pad)}
.section-header{max-width:var(--max);margin:0 auto 48px;text-align:center}.section-header .section-subtitle{margin-left:auto;margin-right:auto}
.section-tag,.showcase-tag{display:inline-block;color:var(--accent);font-size:.75rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;margin-bottom:12px}
.section-title,.showcase-title{font-family:var(--font-display);font-size:clamp(1.8rem,3vw,2.5rem);font-weight:700;letter-spacing:-.02em;margin-bottom:12px}
.section-subtitle,.showcase-desc{color:var(--muted);max-width:40em}
.features{background:transparent}.features-grid{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feature-card{background:var(--bg-2);border:1px solid var(--line);border-radius:22px;padding:28px;box-shadow:0 10px 30px rgba(15,28,46,.04);transition:.25s var(--ease)}
.feature-card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(15,28,46,.08)}
.feature-icon{width:48px;height:48px;border-radius:16px;display:grid;place-items:center;background:var(--accent-dim);color:var(--accent);margin-bottom:16px}
.feature-icon svg{width:22px;height:22px}.feature-title{font-family:var(--font-display);font-weight:700;margin-bottom:8px}.feature-desc{color:var(--muted);font-size:.92rem}
.showcase-content{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:36px;background:var(--bg-2);border:1px solid var(--line);border-radius:28px;margin-bottom:24px}
.showcase-content.reverse .showcase-text{order:2}.showcase-content.reverse .showcase-image{order:1}
.showcase-list{margin-top:18px;display:grid;gap:12px}.showcase-list li{display:flex;gap:10px}.showcase-list li svg{width:18px;height:18px;color:var(--accent);flex-shrink:0;margin-top:3px}
.showcase-image{border-radius:20px;overflow:hidden;aspect-ratio:16/11;background:var(--bg-3)}.showcase-image img{width:100%;height:100%;object-fit:cover}
.workflow{background:linear-gradient(180deg,#e4eef5,var(--bg))}
.workflow-steps{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.workflow-step{background:var(--bg-2);border:1px solid var(--line);border-radius:22px;padding:28px 20px;text-align:center}.workflow-step::after{display:none}
.workflow-number{font-family:var(--font-display);font-size:2rem;font-weight:700;color:var(--accent);margin-bottom:12px}
.workflow-title{font-family:var(--font-display);font-weight:700;margin-bottom:8px}.workflow-desc{color:var(--muted);font-size:.9rem}
.footer{background:#0b1a28;color:#d5e2ec;padding:64px var(--pad) 28px}
.footer-content{max-width:var(--max);margin:0 auto 40px;display:flex;justify-content:space-between;gap:48px}
.footer-brand{max-width:420px}.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:14px}.footer-desc{color:#90a8ba;font-size:.92rem}
.footer-links{display:flex;gap:56px}.footer-column h4{font-family:var(--font-display);font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px;color:#fff}
.footer-column a{color:#90a8ba;text-decoration:none}.footer-column a:hover{color:#fff}.footer-column li{margin-bottom:10px}
.footer-bottom{max-width:var(--max);margin:0 auto;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between}
.footer-copyright{color:#7d93a5;font-size:.85rem}.footer-social a{width:36px;height:36px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.12);border-radius:50%;color:#90a8ba}.footer-social a svg{width:16px;height:16px}
.container{max-width:var(--max);margin:0 auto;padding:0 var(--pad)}
.breadcrumbs{padding-top:calc(var(--header-h) + 28px)!important;max-width:var(--max)!important;margin:0 auto!important;padding-left:var(--pad)!important;padding-right:var(--pad)!important;color:var(--faint)}
.breadcrumbs a{color:var(--muted);text-decoration:none}.page-title{font-family:var(--font-display);font-size:clamp(2rem,4vw,2.7rem);font-weight:700}
.about-main,.contact-main{padding:calc(var(--header-h) + 24px) 0 80px}.about-section,.contact-section{padding:28px 0;border-bottom:1px solid var(--line)}
.about-section h2{font-family:var(--font-display);margin-bottom:10px}.about-section p,.feature-list li,.page-desc{color:var(--muted)}
.videos-page{padding:calc(var(--header-h) + 40px) 0 80px}
@media (max-width:1100px){.nav{display:none}.hero{grid-template-columns:1fr}.hero-copy{padding:28px}.product-preview-wrapper{min-height:280px}.features-grid,.workflow-steps{grid-template-columns:1fr 1fr}.showcase-content,.showcase-content.reverse{grid-template-columns:1fr}.showcase-content.reverse .showcase-text,.showcase-content.reverse .showcase-image{order:initial}}
@media (max-width:720px){.features-grid,.workflow-steps{grid-template-columns:1fr}.footer-content,.footer-bottom{flex-direction:column;gap:18px}}

.header-actions{display:flex;align-items:center;gap:16px}
.lang-switcher{position:relative}
.lang-current{display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--line);color:var(--ink);border-radius:12px;padding:8px 12px;font-size:14px;cursor:pointer;box-shadow:0 4px 14px rgba(15,28,46,.06)}
.lang-current:hover{border-color:var(--accent);color:var(--accent)}
.lang-dropdown{display:none;position:absolute;right:0;top:calc(100% + 8px);min-width:132px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:6px;z-index:50;box-shadow:0 12px 32px rgba(15,28,46,.12)}
.lang-dropdown.active{display:block}
.lang-option{display:block;width:100%;text-align:left;background:transparent;border:none;color:var(--ink);padding:8px 10px;border-radius:8px;font-size:14px;cursor:pointer}
.lang-option:hover{background:var(--accent-dim);color:var(--accent)}