/* ============================================================
   BLUE MARINE SHIPPING SERVICES — design tokens
   Palette: ocean blue (brand) + safety orange (hi-vis accent)
   Display: Oswald (dock-signage condensed) / Body: Source Sans 3
   Utility: IBM Plex Mono (manifest tags — berth, ETA, tonnage)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@400;500;600;700&family=Source+Sans+3:wght@400;500;600;700&family=IBM+Plex+Mono:wght@500;600&display=swap');

:root{
  --ink:        #0A1E30;
  --navy-900:   #0C2A44;
  --navy-800:   #123A5C;
  --ocean-600:  #1979B9;
  --ocean-400:  #4FA8DA;
  --sky-100:    #E9F3FA;
  --paper:      #F6F8FA;
  --white:      #FFFFFF;
  --slate-600:  #48586A;
  --slate-400:  #7C8CA0;
  --line:       #D8E1E9;
  --orange-600: #F2711C;
  --orange-700: #D65E10;
  --orange-100: #FDE7D6;

  --font-display: 'Oswald', 'Arial Narrow', sans-serif;
  --font-body: 'Source Sans 3', 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --radius: 3px;
  --wrap: 1180px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--slate-600);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:var(--font-display);
  color:var(--ink);
  margin:0 0 .5em;
  line-height:1.12;
  text-transform:uppercase;
  letter-spacing:.01em;
}
h1{ font-size:clamp(2.4rem,5vw,4rem); font-weight:700; }
h2{ font-size:clamp(1.7rem,3.2vw,2.5rem); font-weight:600; }
h3{ font-size:1.25rem; font-weight:600; text-transform:none; letter-spacing:0; }
p{ margin:0 0 1em; }
a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }
ul{ margin:0; padding:0; list-style:none; }
.wrap{ max-width:var(--wrap); margin:0 152px; padding:0 24px; }
section{ padding:88px 0; }
.section-tight{ padding:56px 0; }

/* ---- manifest tag: the signature structural device ----
   Mimics port paperwork shorthand (berth no. / ETA / tonnage).
   Used as eyebrows instead of generic 01/02/03 numbering. */
.tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:.72rem;
  font-weight:600;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--ocean-600);
  background:var(--sky-100);
  border:1px solid var(--ocean-400);
  border-radius:2px;
  padding:5px 10px;
  margin-bottom:18px;
}
.tag::before{ content:"//"; color:var(--orange-600); }
.tag--on-dark{ background:rgba(255,255,255,.08); border-color:rgba(255,255,255,.35); color:#CFE7F7; }
.tag--on-dark::before{ color:var(--orange-600); }

/* mooring-line divider: dashed rule with tick, used between sections */
.dockline{
  height:1px;
  background-image:repeating-linear-gradient(90deg,var(--line) 0 10px,transparent 10px 18px);
  margin:0;
}

/* ---- buttons ---- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-display);
  font-weight:600;
  font-size:.95rem;
  letter-spacing:.04em;
  text-transform:uppercase;
  padding:14px 26px;
  border-radius:2px;
  border:2px solid transparent;
  cursor:pointer;
  transition:transform .15s ease, background .15s ease, color .15s ease, border-color .15s ease;
}
.btn:hover{ transform:translateY(-2px); }
.btn--orange{ background:var(--orange-600); color:var(--white); }
.btn--orange:hover{ background:var(--orange-700); }
.btn--outline{ border-color:rgba(255,255,255,.6); color:var(--white); }
.btn--outline:hover{ background:rgba(255,255,255,.12); }
.btn--navy{ background:var(--navy-800); color:var(--white); }
.btn--navy:hover{ background:var(--navy-900); }

/* ============ HEADER ============ */
.topbar{
  background:var(--navy-900);
  color:#B9CBDB;
  font-family:var(--font-mono);
  font-size:.76rem;
  letter-spacing:.03em;
}
.topbar .wrap{ display:flex; justify-content:space-between; align-items:center; padding-top:8px; padding-bottom:8px; flex-wrap:wrap; gap:6px; }
.topbar a{ color:#B9CBDB; }
.topbar a:hover{ color:var(--orange-600); }
.topbar__contact{ display:flex; gap:22px; flex-wrap:wrap; }

header.site-header{
  background:var(--white);
  border-bottom:1px solid var(--line);
  position:sticky; top:0; z-index:50;
}
.nav{ display:flex; align-items:center; justify-content:space-between; padding:16px 0; }
.brand{ display:flex; align-items:center; gap:12px; }
.brand__mark{
  width:44px; height:44px; flex:none;
  background:var(--navy-800);
  border-radius:2px;
  position:relative;
  display:flex; align-items:center; justify-content:center;
}
.brand__mark svg{ width:26px; height:26px; }
.brand__text{ display:flex; flex-direction:column; line-height:1.1; }
.brand__text strong{ font-family:var(--font-display); font-size:1.18rem; letter-spacing:.02em; color:var(--ink); text-transform:uppercase; }
.brand__text span{ font-family:var(--font-mono); font-size:.68rem; letter-spacing:.09em; color:var(--orange-600); text-transform:uppercase; }

.nav__links{ display:flex; align-items:center; gap:34px; }
.nav__links a{
  font-family:var(--font-display);
  font-size:.92rem;
  font-weight:500;
  letter-spacing:.03em;
  text-transform:uppercase;
  color:var(--navy-900);
  padding:6px 2px;
  border-bottom:2px solid transparent;
}
.nav__links a:hover, .nav__links a.active{ border-color:var(--orange-600); color:var(--navy-800); }
.nav__cta{ display:flex; align-items:center; gap:18px; }
.nav__toggle{ display:none; background:none; border:none; cursor:pointer; padding:6px; }
.nav__toggle span{ display:block; width:26px; height:2px; background:var(--navy-900); margin:5px 0; }

@media (max-width:940px){
  .nav__links{
    position:fixed; inset:70px 0 auto 0; background:var(--white);
    flex-direction:column; align-items:flex-start; gap:0;
    border-bottom:1px solid var(--line);
    max-height:0; overflow:hidden; transition:max-height .25s ease;
  }
  .nav__links.open{ max-height:420px; }
  .nav__links a{ width:100%; padding:14px 24px; border-bottom:1px solid var(--line); border-left:3px solid transparent; }
  .nav__links a:hover, .nav__links a.active{ border-left-color:var(--orange-600); border-bottom-color:var(--line); background:var(--sky-100); }
  .nav__toggle{ display:block; }
  .nav__cta .btn{ display:none; }
}

/* ============ HERO ============ */
.hero{
  position:relative;
  color:var(--white);
  min-height:86vh;
  display:flex;
  align-items:flex-end;
  background:var(--navy-900);
  overflow:hidden;
}
.hero__media{ position:absolute; inset:0; }
.hero__media img{ width:100%; height:100%; object-fit:cover; }
.hero__media::after{
  content:"";
  position:absolute; inset:0;
  background:
    linear-gradient(180deg, rgba(10,26,42,.35) 0%, rgba(9,25,41,.55) 45%, rgba(6,18,31,.94) 100%),
    linear-gradient(90deg, rgba(6,18,31,.75) 0%, rgba(6,18,31,.15) 55%);
}
.hero__content{ position:relative; padding:64px 0 72px; max-width:760px; }
.hero__content h1{ color:var(--white); margin-bottom:.4em; }
.hero__content h1 em{ font-style:normal; color:var(--orange-600); }
.hero__lede{ font-size:1.1rem; color:#DCE8F2; max-width:560px; margin-bottom:2em; }
.hero__ctas{ display:flex; gap:16px; flex-wrap:wrap; }

/* stat strip that overlaps hero bottom */
.stats{
  background:var(--white);
  border-bottom:1px solid var(--line);
}
.stats__grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
}
.stat{
  padding:30px 20px;
  text-align:left;
  border-left:1px solid var(--line);
}
.stat:first-child{ border-left:none; }
.stat b{
  display:block; font-family:var(--font-mono); font-size:2.1rem; font-weight:600;
  color:var(--navy-800); letter-spacing:-.01em;
}
.stat span{ font-size:.85rem; color:var(--slate-400); text-transform:uppercase; letter-spacing:.05em; }
@media (max-width:760px){ .stats__grid{ grid-template-columns:repeat(2,1fr);} .stat{ border-left:1px solid var(--line);} .stat:nth-child(2n+1){ border-left:none;} }

/* ============ GENERIC PAGE HERO (inner pages) ============ */
.page-hero{
  position:relative; color:var(--white); background:var(--navy-900);
  padding:150px 0 64px;
}
.page-hero__media{ position:absolute; inset:0; }
.page-hero__media img{ width:100%; height:100%; object-fit:cover; }
.page-hero__media::after{
  content:""; position:absolute; inset:0;
  background:linear-gradient(100deg, rgba(6,18,31,.92) 20%, rgba(9,28,45,.55) 100%);
}
.page-hero__content{ position:relative; max-width:640px; }
.crumb{ font-family:var(--font-mono); font-size:.78rem; color:#AFC8DB; letter-spacing:.05em; text-transform:uppercase; }
.crumb .sep{ color:var(--orange-600); margin:0 6px; }

/* ============ SERVICES GRID ============ */
.grid-4{ display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line); }
.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line); }
@media (max-width:940px){ .grid-4{ grid-template-columns:repeat(2,1fr);} .grid-3{ grid-template-columns:repeat(2,1fr);} }
@media (max-width:600px){ .grid-4, .grid-3{ grid-template-columns:1fr; } }

.service-card{
  background:var(--white); padding:34px 28px; position:relative;
  transition:background .2s ease;
}
.service-card:hover{ background:var(--sky-100); }
.service-card__code{ font-family:var(--font-mono); font-size:.72rem; color:var(--orange-600); letter-spacing:.08em; margin-bottom:16px; display:block; }
.service-card h3{ margin-bottom:.5em; }
.service-card p{ font-size:.94rem; margin-bottom:0; }
.service-card__icon{ width:42px; height:42px; margin-bottom:18px; color:var(--navy-800); }

/* image + text split */
.split{ display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; }
@media (max-width:860px){ .split{ grid-template-columns:1fr; gap:36px; } }
.split img{ border-radius:2px; width:100%; height:100%; object-fit:cover; aspect-ratio:4/3; }

.panel-dark{ background:var(--navy-900); color:#D8E5EF; }
.panel-dark h2{ color:var(--white); }
.panel-dark .dockline{ background-image:repeating-linear-gradient(90deg, rgba(255,255,255,.18) 0 10px, transparent 10px 18px); }

.check-list li{ display:flex; gap:12px; padding:10px 0; border-bottom:1px dashed rgba(255,255,255,.15); font-size:.98rem; }
.check-list li:last-child{ border-bottom:none; }
.check-list li::before{ content:"✓"; color:var(--orange-600); font-weight:700; flex:none; }
.check-list--light li{ border-bottom:1px dashed var(--line); }

/* CTA band */
.cta-band{
  background:linear-gradient(100deg,var(--navy-900),var(--navy-800));
  color:var(--white); text-align:center; padding:70px 0;
}
.cta-band h2{ color:var(--white); }
.cta-band p{ color:#C9DAE6; max-width:520px; margin:0 auto 2em; }

/* forms (contact page) */
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
@media (max-width:640px){ .form-grid{ grid-template-columns:1fr; } }
.field{ display:flex; flex-direction:column; gap:6px; margin-bottom:18px; }
.field label{ font-family:var(--font-mono); font-size:.72rem; letter-spacing:.06em; text-transform:uppercase; color:var(--slate-400); }
.field input, .field select, .field textarea{
  font-family:var(--font-body); font-size:1rem; padding:12px 14px;
  border:1px solid var(--line); border-radius:2px; background:var(--white); color:var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus{ outline:2px solid var(--ocean-600); outline-offset:1px; }
.field--full{ grid-column:1/-1; }

.info-card{ background:var(--white); border:1px solid var(--line); padding:26px; }
.info-card h4{ font-family:var(--font-display); text-transform:uppercase; font-size:1rem; color:var(--navy-800); margin-bottom:.6em; }
.info-card + .info-card{ margin-top:16px; }

/* footer */
footer{ background:var(--ink); color:#93A8BA; padding:64px 0 0; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1.2fr; gap:40px; padding-bottom:48px; }
@media (max-width:860px){ .footer-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:520px){ .footer-grid{ grid-template-columns:1fr; } }
footer h4{ font-family:var(--font-display); color:var(--white); text-transform:uppercase; font-size:.95rem; letter-spacing:.04em; margin-bottom:1em; }
footer a{ color:#93A8BA; }
footer a:hover{ color:var(--orange-600); }
footer li{ padding:6px 0; font-size:.92rem; }
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0; font-size:.8rem; display:flex; justify-content:space-between; flex-wrap:wrap; gap:8px;
  font-family:var(--font-mono);
}

.reveal{ opacity:0; transform:translateY(16px); transition:opacity .6s ease, transform .6s ease; }
.reveal.in{ opacity:1; transform:none; }
@media (prefers-reduced-motion: reduce){ .reveal{ opacity:1; transform:none; transition:none; } }


@media (max-width:900px){
  .wrap{ margin:0 auto; }
}