/* Trisula Bahtera Samudera — Company Profile
   Light theme: white background with pastel-blue gradients. */

:root{
  --white:#ffffff;
  --bg:#ffffff;
  --bg-alt:#f2f8ff;
  --pastel-1:#eaf4ff;
  --pastel-2:#dbeeff;
  --pastel-3:#c9e4ff;
  --surface:#ffffff;
  --surface-alt:#f5faff;
  --line:#dfeaf7;
  --line-strong:#c3d9ee;
  --text:#16324f;
  --text-dim:#4d6a89;
  --text-faint:#8098b3;
  --accent:#e1552f;
  --accent-hover:#ff6b3d;
  --accent-dim:rgba(225,85,47,.09);
  --navy-deep:#0b1f38;
  --navy-mid:#1c3f6b;
  --navy-light:#2f6fb0;
  --radius:12px;
  --radius-sm:8px;
  --maxw:1180px;
  --font:'Segoe UI',system-ui,-apple-system,'Helvetica Neue',Arial,sans-serif;
  --shadow-card:0 8px 24px -12px rgba(28,63,107,.18);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .5em;font-weight:700;color:var(--text);}
p{margin:0 0 1em;color:var(--text-dim);}
ul{margin:0;padding:0;}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}

/* ---------- Page transitions ---------- */
body{animation:page-fade-in .5s ease both;}
body.page-fade-out{animation:page-fade-out .18s ease both;}
@keyframes page-fade-in{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:translateY(0);}}
@keyframes page-fade-out{to{opacity:0;}}

/* ---------- Scroll reveal ---------- */
.reveal{opacity:0;transition:opacity .6s ease;}
.reveal.is-visible{opacity:1;}

@media (prefers-reduced-motion: reduce){
  body{animation:none;}
  body.page-fade-out{animation:none;}
  .reveal{opacity:1;transition:none;}
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
/* backdrop-filter on this ancestor makes it the containing block for any
   position:fixed descendant (the mobile nav panel included) — which then
   gets painted inside its blurred/translucent layer instead of as a solid
   full-screen overlay. Drop the filter while the mobile menu is open so
   the panel is a clean, fully opaque overlay. */
.site-header:has(.main-nav.open){
  backdrop-filter:none;background:var(--white);
}
.site-header .container{
  display:flex;align-items:center;justify-content:space-between;
  min-height:76px;
}
.brand{display:flex;flex-direction:row;align-items:center;gap:10px;}
.brand-logo{height:42px;width:auto;display:block;flex-shrink:0;}
.brand-text{display:flex;flex-direction:column;justify-content:center;gap:2px;}
.brand-eyebrow{
  font-size:11px;letter-spacing:.16em;font-weight:700;
  color:var(--accent);text-transform:uppercase;
}
.brand-name{font-size:19px;font-weight:700;color:var(--text);letter-spacing:.01em;}

.main-nav{display:flex;align-items:center;gap:28px;}
.main-nav a{
  font-size:14.5px;font-weight:600;color:var(--text-dim);
  padding:8px 2px;border-bottom:2px solid transparent;
  transition:color .15s ease,border-color .15s ease;
  white-space:nowrap;
}
.main-nav a:hover{color:var(--text);}
.main-nav a.active{color:var(--text);border-bottom-color:var(--accent);}

.header-actions{display:flex;align-items:center;gap:14px;}
.lang-toggle{
  display:flex;background:var(--surface-alt);border:1px solid var(--line);
  border-radius:999px;padding:3px;gap:2px;
}
.lang-toggle button{
  border:0;background:transparent;color:var(--text-faint);
  font-size:12px;font-weight:700;padding:5px 11px;border-radius:999px;
  cursor:pointer;transition:background .15s ease,color .15s ease;
}
.lang-toggle button.active{background:var(--accent);color:#fff;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:999px;font-weight:700;font-size:14.5px;
  cursor:pointer;border:1px solid transparent;transition:all .15s ease;
}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:var(--accent-hover);}
.btn-outline{background:transparent;border-color:var(--line-strong);color:var(--text);}
.btn-outline:hover{border-color:var(--accent);color:var(--accent);}
.btn-outline.btn-light{border-color:rgba(255,255,255,.55);color:#fff;}
.btn-outline.btn-light:hover{border-color:#fff;background:rgba(255,255,255,.12);}
.btn-sm{padding:8px 16px;font-size:13px;}

.nav-toggle{
  display:none;background:none;border:1px solid var(--line-strong);
  border-radius:8px;width:40px;height:40px;color:var(--text);
  cursor:pointer;font-size:18px;
}

/* ---------- Hero video (home) ---------- */
.hero-video-wrap{
  position:relative;overflow:hidden;
  min-height:600px;display:flex;align-items:flex-end;
  background:linear-gradient(120deg,var(--navy-deep),var(--navy-mid),var(--navy-light),var(--navy-mid),var(--navy-deep));
  background-size:300% 300%;
  animation:heroGradientMove 14s ease infinite;
}
@keyframes heroGradientMove{
  0%{background-position:0% 50%;}
  50%{background-position:100% 50%;}
  100%{background-position:0% 50%;}
}
.hero-video{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:0;transition:opacity .5s ease;
}
.hero-video-wrap.has-video .hero-video{opacity:1;}
.hero-video-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(8,20,38,.15) 0%, rgba(6,15,30,.78) 100%);
}
.hero-video-content{position:relative;z-index:2;color:#fff;padding:88px 24px 76px;}
.hero-video-content .hero-eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.12em;
  text-transform:uppercase;color:#ffd8ca;background:rgba(225,85,47,.28);
  padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.hero-video-content h1{color:#fff;font-size:46px;max-width:780px;}
.hero-video-content .hero-lead{color:rgba(255,255,255,.85);font-size:17px;max-width:620px;}
.hero-actions{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap;}

/* ---------- Plain hero / page hero ---------- */
.hero{
  padding:96px 0 72px;
  background:linear-gradient(135deg,var(--pastel-1) 0%, var(--white) 45%, var(--pastel-2) 100%);
  border-bottom:1px solid var(--line);
}
.hero-eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.12em;
  text-transform:uppercase;color:var(--accent);background:var(--accent-dim);
  padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.hero h1{font-size:44px;max-width:780px;}
.hero-lead{font-size:17px;max-width:640px;}

.page-hero{
  padding:64px 0 48px;
  background:linear-gradient(135deg,var(--pastel-1) 0%, var(--white) 55%, var(--pastel-2) 100%);
  border-bottom:1px solid var(--line);
}
.page-hero h1{font-size:34px;}
.breadcrumb{font-size:13px;color:var(--text-faint);margin-bottom:14px;}
.breadcrumb a{color:var(--text-faint);}
.breadcrumb a:hover{color:var(--accent);}

/* ---------- Stat strip ---------- */
.stat-strip-section{
  padding:0;
  background:var(--surface-alt);
  border-bottom:1px solid var(--line);
}
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);
}
.stat-strip div{background:var(--surface);padding:28px 20px;text-align:center;}
.stat-num{font-size:26px;font-weight:800;color:var(--text);}
.stat-label{font-size:12.5px;color:var(--text-faint);margin-top:4px;letter-spacing:.04em;}

/* stat strip nested inside a normal section (about page) */
section .stat-strip{
  margin-top:48px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
}

/* ---------- Sections ---------- */
section{padding:64px 0;}
section.alt{background:var(--surface-alt);}
.section-head{max-width:640px;margin:0 auto 40px;text-align:center;}
.section-eyebrow{
  font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--accent);margin-bottom:10px;display:block;
}
.section-head h2{font-size:30px;}

/* ---------- Cards / grids ---------- */
.grid{display:grid;gap:22px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:26px;
  box-shadow:var(--shadow-card);
  transition:border-color .15s ease,transform .15s ease,box-shadow .15s ease;
}
.card:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:0 14px 30px -14px rgba(28,63,107,.28);}
.card-icon{
  width:44px;height:44px;border-radius:10px;background:var(--accent-dim);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
  font-size:20px;color:var(--accent);
}
.card h3{font-size:17px;}
.card p{font-size:14.5px;margin-bottom:0;}

/* ---------- Placeholder blocks ---------- */
.placeholder{
  border:1.5px dashed var(--line-strong);border-radius:var(--radius);
  background:var(--surface-alt);color:var(--text-faint);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:8px;text-align:center;padding:28px 16px;font-size:13px;
}
.placeholder .ph-icon{font-size:26px;opacity:.55;}
.placeholder-text{
  border:1.5px dashed var(--line-strong);border-radius:var(--radius);
  background:var(--surface-alt);
  padding:24px;color:var(--text-faint);font-size:14.5px;font-style:italic;
}

/* media-slot: placeholder box that swaps for a real image once one is bound */
.media-slot{position:relative;overflow:hidden;}
.media-slot img{width:100%;height:100%;object-fit:cover;display:none;position:absolute;inset:0;}
.media-slot iframe{width:100%;height:100%;border:0;display:none;position:absolute;inset:0;}
.media-slot.has-media img,
.media-slot.has-media iframe{display:block;}
.media-slot.has-media .media-slot-empty{display:none;}
.gallery-grid{display:flex;flex-wrap:wrap;justify-content:center;}
.gallery-grid .media-slot{width:240px;flex:0 0 auto;aspect-ratio:4/3;border-radius:var(--radius);}
.customer-grid{display:flex;flex-wrap:wrap;justify-content:center;}
.customer-grid .media-slot{
  width:180px;flex:0 0 auto;aspect-ratio:3/2;padding:14px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
}
.customer-grid .media-slot img{object-fit:contain;padding:14px;background:var(--surface);}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start;}
.contact-info-list{display:flex;flex-direction:column;gap:18px;margin-top:24px;}
.contact-info-item{display:flex;gap:14px;align-items:flex-start;}
.contact-info-item .card-icon{flex-shrink:0;margin-bottom:0;}
.contact-info-item h4{font-size:14.5px;margin-bottom:2px;color:var(--text);}
.contact-info-item p{font-size:14px;margin-bottom:0;}
.form-field{margin-bottom:16px;display:flex;flex-direction:column;gap:6px;}
.form-field label{font-size:13px;font-weight:600;color:var(--text-dim);}
.form-field input,.form-field textarea{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:11px 14px;color:var(--text);font-family:inherit;font-size:14.5px;
}
.form-field input:focus,.form-field textarea:focus{outline:2px solid var(--accent);outline-offset:1px;}
.map-embed{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  aspect-ratio:16/10;margin-top:24px;
}

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--pastel-1),var(--pastel-2));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:60px 0;text-align:center;
}
.cta-band h2{font-size:28px;}
.cta-band .btn-row{display:flex;gap:14px;justify-content:center;margin-top:22px;flex-wrap:wrap;}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--line);padding:52px 0 28px;margin-top:auto;background:var(--surface-alt);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;}
.footer-brand .brand-name{font-size:18px;}
.footer-brand .brand{margin-bottom:2px;}
.footer-brand .brand-logo{height:36px;}
.footer-desc{font-size:13.5px;margin-top:12px;max-width:320px;}
.footer-col h4{font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--text-faint);margin-bottom:14px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:var(--text-dim);}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  border-top:1px solid var(--line);margin-top:40px;padding-top:22px;
  display:flex;justify-content:space-between;align-items:center;
  font-size:12.5px;color:var(--text-faint);flex-wrap:wrap;gap:10px;
}

/* ---------- Admin link chip in footer ---------- */
.admin-chip{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;
  color:var(--text-faint);border:1px solid var(--line);border-radius:999px;
  padding:6px 12px;
}
.admin-chip:hover{color:var(--accent);border-color:var(--accent);}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .main-nav{
    position:fixed;inset:76px 0 0 0;background:var(--white);
    flex-direction:column;align-items:flex-start;padding:24px;gap:6px;
    border-top:1px solid var(--line);
    transform:translateX(100%);transition:transform .2s ease;
  }
  .main-nav.open{transform:translateX(0);}
  .main-nav a{width:100%;padding:14px 4px;border-bottom:1px solid var(--line);}
  .nav-toggle{display:block;}
  .header-actions .btn-outline{display:none;}
  .hero h1{font-size:32px;}
  .hero-video-content h1{font-size:32px;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}
  .customer-grid .media-slot{width:150px;}
  .contact-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:520px){
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}
  .customer-grid .media-slot{width:130px;}
  .hero{padding:64px 0 48px;}
  .hero h1{font-size:27px;}
  .hero-video-content h1{font-size:27px;}
  .hero-video-wrap{min-height:480px;}
  .site-header .container{min-height:64px;}
  .brand-logo{height:32px;}
  .brand-name{display:none;}
  .brand-eyebrow{font-size:12px;}
}