/* ============================================================
   Aether Energy — Marine Bunkers & Lubricants Trading
   Shared stylesheet
   ============================================================ */

:root{
  --navy-deep:#060c2b;
  --navy:#0d1b4c;
  --navy-mid:#16227a;
  --navy-text:#1e40c4;
  --gold:#b8862f;
  --gold-bright:#d9b24c;
  --gold-pale:#f3e3bd;
  --bg:#ffffff;
  --bg-alt:#f4f6fc;
  --surface:#ffffff;
  --border:#e2e6f2;
  --text:#2b2c34;
  --text-muted:#5b5d6b;
  --shadow: 0 10px 30px rgba(10,18,60,.08);
  --radius: 10px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family: Georgia, 'Times New Roman', serif;
  color:var(--navy-text);
  line-height:1.2;
  margin:0 0 .5em;
  letter-spacing:.01em;
}
p{ margin:0 0 1em; color:var(--text-muted); }
a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }
ul{ margin:0; padding:0; list-style:none; }
.container{
  width:100%;
  max-width:1160px;
  margin:0 auto;
  padding:0 24px;
}
.eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--gold);
  font-weight:700;
  margin-bottom:12px;
}
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:13px 26px;
  border-radius:999px;
  font-size:14px;
  letter-spacing:.04em;
  font-weight:600;
  cursor:pointer;
  border:1.5px solid transparent;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
}
.btn:hover{ transform:translateY(-1px); }
.btn-gold{
  background: linear-gradient(135deg, var(--gold-bright), var(--gold));
  color:#1a1206;
  box-shadow: 0 8px 20px rgba(185,138,47,.35);
}
.btn-gold:hover{ box-shadow: 0 10px 26px rgba(185,138,47,.45); }
.btn-outline{
  background:transparent;
  border-color:rgba(255,255,255,.55);
  color:#fff;
}
.btn-outline:hover{ background:rgba(255,255,255,.1); }
.btn-outline-navy{
  background:transparent;
  border-color:var(--navy);
  color:var(--navy);
}
.btn-outline-navy:hover{ background:var(--navy); color:#fff; }

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--border);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:12px 0;
}
.brand{ display:flex; align-items:center; }
.brand img{ height:44px; width:auto; }
.nav-links{
  display:flex; align-items:center; gap:34px;
}
.nav-links a{
  font-size:14px; font-weight:600; letter-spacing:.03em;
  color:var(--navy-text);
  position:relative;
  padding:6px 0;
}
.nav-links a.active,
.nav-links a:hover{ color:var(--gold); }
.nav-links a.active::after{
  content:""; position:absolute; left:0; right:0; bottom:0;
  height:2px; background:var(--gold-bright); border-radius:2px;
}
.nav-cta{ margin-left:8px; }
.nav-toggle{
  display:none;
  background:none; border:none; cursor:pointer;
  width:36px; height:36px;
  flex-direction:column; align-items:center; justify-content:center; gap:5px;
}
.nav-toggle span{ width:22px; height:2px; background:var(--navy-text); display:block; }

@media (max-width: 860px){
  .nav-toggle{ display:flex; }
  .nav-links{
    position:absolute; top:100%; left:0; right:0;
    background:var(--surface);
    flex-direction:column; align-items:flex-start;
    padding:18px 24px 26px;
    border-bottom:1px solid var(--border);
    display:none;
    gap:16px;
  }
  .nav-links.open{ display:flex; }
  .nav-cta{ margin-left:0; }
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  overflow:hidden;
  background:
    radial-gradient(ellipse 900px 500px at 75% -10%, rgba(217,178,76,.18), transparent 60%),
    linear-gradient(160deg, var(--navy-deep), var(--navy) 55%, var(--navy-mid));
  color:#fff;
  padding:96px 0 0;
}
.hero-inner{
  max-width:760px;
  padding-bottom:70px;
}
.hero h1{ color:#fff; font-size:clamp(32px,4.4vw,52px); margin-bottom:20px; }
.hero p.lead{ color:rgba(255,255,255,.78); font-size:17px; max-width:52ch; }
.hero-actions{ display:flex; gap:14px; margin-top:30px; flex-wrap:wrap; }
.hero-stats{
  display:grid; grid-template-columns:repeat(3,1fr);
  border-top:1px solid rgba(255,255,255,.15);
  padding:28px 0;
}
.hero-stats div{ text-align:center; padding:0 10px; }
.hero-stats strong{ display:block; font-family:Georgia,serif; font-size:26px; color:var(--gold-bright); }
.hero-stats span{ font-size:12px; letter-spacing:.08em; text-transform:uppercase; color:rgba(255,255,255,.6); }

.wave-divider{ display:block; width:100%; line-height:0; }
.wave-divider svg{ width:100%; height:60px; display:block; }

@media (max-width: 860px){
  .hero-stats{ grid-template-columns:1fr 1fr 1fr; gap:12px; }
}

/* ---------- Sections ---------- */
section{ padding:84px 0; }
.section-head{ max-width:640px; margin:0 auto 48px; text-align:center; }
.section-head p{ margin:0 auto; }
.section-alt{ background:var(--bg-alt); border-top:1px solid var(--border); border-bottom:1px solid var(--border); }

.grid-2{ display:grid; grid-template-columns:1fr 1fr; gap:36px; }
.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:28px; }
.grid-4{ display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
@media (max-width: 900px){
  .grid-3, .grid-4{ grid-template-columns:1fr 1fr; }
}
@media (max-width: 600px){
  .grid-2, .grid-3, .grid-4{ grid-template-columns:1fr; }
}

.card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:30px;
  box-shadow:var(--shadow);
}
.card .icon{
  width:46px; height:46px; border-radius:12px;
  background:linear-gradient(135deg, var(--navy-mid), var(--navy));
  display:flex; align-items:center; justify-content:center;
  margin-bottom:18px;
  color:var(--gold-bright);
  font-size:20px;
}
.card h3{ font-size:19px; margin-bottom:10px; }
.card p{ font-size:14.5px; margin-bottom:0; }

.service-block{
  display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:center;
  padding:56px 0;
  border-bottom:1px solid var(--border);
}
.service-block:last-child{ border-bottom:none; }
.service-block.reverse .service-copy{ order:2; }
.service-visual{
  border-radius:16px;
  background:linear-gradient(150deg, var(--navy), var(--navy-mid));
  min-height:260px;
  display:flex; align-items:center; justify-content:center;
  position:relative; overflow:hidden;
}
.service-visual::after{
  content:""; position:absolute; inset:0;
  background: radial-gradient(circle at 30% 20%, rgba(217,178,76,.25), transparent 55%);
}
.service-visual .glyph{ font-size:64px; color:var(--gold-bright); position:relative; z-index:1; }
.service-copy .eyebrow{ margin-bottom:10px; }
.service-copy ul{ margin-top:18px; display:flex; flex-direction:column; gap:10px; }
.service-copy li{ font-size:14.5px; color:var(--text-muted); display:flex; gap:10px; align-items:flex-start; }
.service-copy li::before{ content:"✓"; color:var(--gold); font-weight:700; flex:none; }
@media (max-width: 860px){
  .service-block, .service-block.reverse{ grid-template-columns:1fr; }
  .service-block.reverse .service-copy{ order:0; }
}

.cta-band{
  background: linear-gradient(135deg, var(--navy-deep), var(--navy-mid));
  color:#fff; text-align:center; border-radius:20px;
  padding:56px 32px;
  margin:0 24px;
}
.cta-band h2{ color:#fff; }
.cta-band p{ color:rgba(255,255,255,.75); max-width:52ch; margin:0 auto 26px; }

.value-row{ display:flex; gap:14px; align-items:flex-start; margin-bottom:26px; }
.value-row .num{
  font-family:Georgia,serif; font-size:22px; color:var(--gold);
  border:1.5px solid var(--gold-pale); width:40px; height:40px; border-radius:50%;
  display:flex; align-items:center; justify-content:center; flex:none;
}
.value-row h4{ margin-bottom:4px; font-size:16.5px; }
.value-row p{ margin:0; font-size:14.5px; }

table.specs{ width:100%; border-collapse:collapse; font-size:14.5px; }
table.specs th, table.specs td{ text-align:left; padding:12px 14px; border-bottom:1px solid var(--border); }
table.specs th{ color:var(--navy-text); font-family:Georgia,serif; font-weight:700; }
table.specs td{ color:var(--text-muted); }

.page-hero{
  background:linear-gradient(160deg, var(--navy-deep), var(--navy) 60%, var(--navy-mid));
  color:#fff; padding:64px 0 52px; text-align:center;
}
.page-hero h1{ color:#fff; margin-bottom:10px; }
.page-hero p{ color:rgba(255,255,255,.75); max-width:56ch; margin:0 auto; }
.breadcrumb{ font-size:12px; letter-spacing:.1em; text-transform:uppercase; color:var(--gold-bright); margin-bottom:14px; }

/* ---------- Contact ---------- */
.contact-grid{ display:grid; grid-template-columns:1fr 1.15fr; gap:48px; }
.contact-card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  padding:14px 0;
}
.contact-item{ display:flex; gap:16px; padding:18px 26px; border-bottom:1px solid var(--border); }
.contact-item:last-child{ border-bottom:none; }
.contact-item .icon{
  width:40px; height:40px; border-radius:10px; flex:none;
  background:linear-gradient(135deg, var(--navy-mid), var(--navy));
  display:flex; align-items:center; justify-content:center; color:var(--gold-bright); font-size:17px;
}
.contact-item h4{ margin:0 0 3px; font-size:14.5px; color:var(--navy-text); }
.contact-item p{ margin:0; font-size:14px; }
.contact-item a{ color:var(--navy-mid); font-weight:600; }

form.contact-form{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  padding:30px; box-shadow:var(--shadow);
}
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.field{ margin-bottom:18px; }
.field label{ display:block; font-size:13px; font-weight:600; color:var(--navy-text); margin-bottom:6px; }
.field input, .field select, .field textarea{
  width:100%; padding:11px 13px; border:1px solid var(--border); border-radius:8px;
  font-size:14px; font-family:inherit; background:#fff; color:var(--text);
}
.field textarea{ min-height:120px; resize:vertical; }
.field input:focus, .field select:focus, .field textarea:focus{
  outline:none; border-color:var(--gold); box-shadow:0 0 0 3px rgba(217,178,76,.18);
}
.form-note{ font-size:12.5px; color:var(--text-muted); margin-top:4px; }
@media (max-width: 860px){
  .contact-grid{ grid-template-columns:1fr; }
  .form-row{ grid-template-columns:1fr; }
}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--navy-deep); color:rgba(255,255,255,.72);
  padding:56px 0 26px; margin-top:40px;
}
.footer-grid{
  display:grid; grid-template-columns:1.3fr 1fr 1fr 1.1fr; gap:34px;
  padding-bottom:36px; border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-grid img{ height:34px; margin-bottom:14px; }
.footer-grid p{ color:rgba(255,255,255,.55); font-size:13.5px; }
.footer-grid h5{
  color:#fff; font-family:Georgia,serif; font-size:14.5px; margin-bottom:14px; letter-spacing:.03em;
}
.footer-grid li{ margin-bottom:10px; font-size:13.5px; }
.footer-grid a:hover{ color:var(--gold-bright); }
.footer-bottom{
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:10px;
  padding-top:22px; font-size:12.5px; color:rgba(255,255,255,.45);
}
@media (max-width: 760px){
  .footer-grid{ grid-template-columns:1fr 1fr; }
}
@media (max-width: 480px){
  .footer-grid{ grid-template-columns:1fr; }
}

.placeholder-tag{
  display:inline-block; background:var(--gold-pale); color:#6b4e13;
  font-size:11px; font-weight:700; letter-spacing:.04em; text-transform:uppercase;
  padding:2px 8px; border-radius:5px; margin-left:6px; vertical-align:middle;
}