/* ============================================================
   SEA CROWN DMCC — Static hosting package
   Premium maritime dark theme · Sora + Inter · No build step
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
  --navy-950: #0a1422;
  --navy-900: #0e1a2b;
  --navy-800: #16283e;
  --navy-700: #1e3450;
  --card: #17273d;
  --fg: #edf4f7;
  --muted: #9fb3c4;
  --cyan: #5bd1ec;
  --cyan-glow: #8ee9f7;
  --cyan-deep: #2ba8c9;
  --gold: #edbd63;
  --gold-deep: #d99a3d;
  --border: rgba(148, 180, 208, 0.16);
  --border-strong: rgba(148, 180, 208, 0.28);
  --grad-ocean: linear-gradient(94deg, #8ee9f7 0%, #56cbe8 48%, #edbd63 110%);
  --grad-btn: linear-gradient(93deg, #35c1e2, #2ba89b);
  --shadow-lg: 0 24px 60px -18px rgba(2, 8, 18, 0.65);
  --radius: 18px;
  --header-h: 76px;
  --font-display: "Sora", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--navy-900);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: var(--cyan); text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.15; margin: 0; }
p { margin: 0; }
button { font: inherit; cursor: pointer; background: none; border: 0; color: inherit; }

::selection { background: rgba(91, 209, 236, 0.35); color: #fff; }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--navy-950); }
::-webkit-scrollbar-thumb { background: var(--navy-700); border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: #294664; }

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 6px;
}

.container { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 20px; }
.text-ocean {
  background: var(--grad-ocean);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.skip-link {
  position: absolute;
  left: 12px; top: -60px;
  z-index: 200;
  background: var(--gold); color: var(--navy-950);
  padding: 10px 16px; border-radius: 10px; font-weight: 600;
  transition: top 0.25s ease;
}
.skip-link:focus { top: 12px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600; font-size: 15px; letter-spacing: 0.01em;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease,
    border-color 0.25s ease, color 0.25s ease;
  will-change: transform;
}
.btn:hover { transform: translateY(-2px) scale(1.02); }
.btn:active { transform: translateY(0) scale(0.99); }
.btn-icon { width: 18px; height: 18px; stroke: currentColor; stroke-width: 2; fill: none; stroke-linecap: round; stroke-linejoin: round; }

.btn-primary {
  background: var(--grad-btn);
  color: #07131f;
  box-shadow: 0 10px 30px -10px rgba(53, 193, 226, 0.55);
}
.btn-primary:hover { box-shadow: 0 16px 38px -10px rgba(53, 193, 226, 0.7); }

.btn-gold {
  background: linear-gradient(95deg, #f2cd7e, var(--gold) 55%, var(--gold-deep));
  color: #241703;
  box-shadow: 0 10px 30px -12px rgba(237, 189, 99, 0.5);
}
.btn-gold:hover { box-shadow: 0 16px 40px -12px rgba(237, 189, 99, 0.65); }

.btn-ghost {
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { border-color: rgba(237, 189, 99, 0.65); background: rgba(237, 189, 99, 0.1); color: var(--gold); }

.btn-block { width: 100%; }

/* ---------- Preloader ---------- */
.preloader {
  position: fixed; inset: 0; z-index: 300;
  display: flex; align-items: center; justify-content: center;
  background: var(--navy-950);
  transition: opacity 0.5s ease, visibility 0.5s ease;
}
.preloader-logo { width: 72px; height: 72px; animation: crownPulse 1.4s ease-in-out infinite; }
.preloader.done { opacity: 0; visibility: hidden; }
@keyframes crownPulse {
  0%, 100% { transform: scale(1); filter: drop-shadow(0 0 0 rgba(237, 189, 99, 0)); }
  50% { transform: scale(1.08); filter: drop-shadow(0 0 18px rgba(237, 189, 99, 0.45)); }
}

/* ---------- Glass ---------- */
.glass {
  background: rgba(22, 40, 62, 0.55);
  border: 1px solid var(--border);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

/* ---------- Navbar ---------- */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--header-h);
  display: flex; align-items: center;
  transition: background 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease, height 0.35s ease;
  border-bottom: 1px solid transparent;
}
.navbar.scrolled {
  height: 64px;
  background: rgba(10, 20, 34, 0.78);
  border-bottom-color: var(--border);
  box-shadow: 0 12px 34px -18px rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.nav-inner { display: flex; align-items: center; gap: 28px; }

.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand-logo { width: 42px; height: 42px; flex: none; }
.brand-text {
  font-family: var(--font-display);
  font-weight: 800; font-size: 17px; letter-spacing: 0.14em; color: #fff;
  display: flex; flex-direction: column; line-height: 1.1;
}
.brand-text small {
  font-family: var(--font-body);
  font-size: 9.5px; font-weight: 600; letter-spacing: 0.32em;
  color: var(--gold); margin-top: 3px;
}

.nav-links { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.nav-link {
  position: relative;
  padding: 9px 14px;
  font-size: 14.5px; font-weight: 500; color: var(--muted);
  border-radius: 10px;
  transition: color 0.25s ease;
}
.nav-link::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 4px;
  height: 2px; border-radius: 2px;
  background: var(--grad-ocean);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.3s ease;
}
.nav-link:hover { color: #fff; }
.nav-link.active { color: var(--cyan-glow); }
.nav-link.active::after, .nav-link:hover::after { transform: scaleX(1); }

.nav-cta { padding: 10px 20px; font-size: 14px; }

.burger {
  display: none;
  width: 44px; height: 44px;
  flex-direction: column; align-items: center; justify-content: center; gap: 5px;
  border: 1px solid var(--border-strong); border-radius: 12px;
  background: rgba(22, 40, 62, 0.5);
}
.burger span {
  width: 20px; height: 2px; border-radius: 2px; background: #fff;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 120;
  width: min(320px, 86vw);
  background: rgba(12, 23, 38, 0.97);
  border-left: 1px solid var(--border);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  padding: 92px 26px 30px;
  display: flex; flex-direction: column; gap: 26px;
  transform: translateX(105%);
  transition: transform 0.38s cubic-bezier(0.22, 1, 0.36, 1);
}
.mobile-menu.open { transform: translateX(0); }
.mobile-links { display: flex; flex-direction: column; gap: 4px; }
.mobile-link {
  padding: 13px 12px; border-radius: 12px;
  font-family: var(--font-display); font-weight: 600; font-size: 17px; color: var(--fg);
  transition: background 0.25s ease, color 0.25s ease, padding-left 0.25s ease;
}
.mobile-link:hover { background: rgba(91, 209, 236, 0.08); color: var(--cyan-glow); padding-left: 18px; }
.mobile-meta { margin-top: auto; display: flex; flex-direction: column; gap: 12px; }
.mobile-contact { color: var(--muted); font-size: 14.5px; }
.mobile-cta { justify-content: center; }
.menu-backdrop {
  position: fixed; inset: 0; z-index: 110;
  background: rgba(5, 10, 18, 0.6);
  opacity: 0; visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}
.menu-backdrop.show { opacity: 1; visibility: visible; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; flex-direction: column;
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; }
.hero-img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero-shade { position: absolute; inset: 0; }
.shade-b { background: linear-gradient(to bottom, rgba(10, 20, 34, 0.86), rgba(10, 20, 34, 0.55) 45%, rgba(10, 20, 34, 0.92)); }
.shade-r { background: linear-gradient(to right, rgba(10, 20, 34, 0.8), transparent 55%, rgba(10, 20, 34, 0.4)); }

.glow { position: absolute; border-radius: 50%; filter: blur(120px); pointer-events: none; animation: floatSlow 9s ease-in-out infinite; }
.glow-cyan { left: -140px; top: 24%; width: 380px; height: 380px; background: rgba(53, 193, 226, 0.16); }
.glow-gold { right: -120px; bottom: 30%; width: 320px; height: 320px; background: rgba(237, 189, 99, 0.12); animation-delay: 2.5s; }
@keyframes floatSlow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-26px); }
}

.hero-content {
  position: relative; z-index: 10;
  flex: 1; display: flex; flex-direction: column; justify-content: center;
  padding-top: calc(var(--header-h) + 44px);
  padding-bottom: 150px;
}
.hero-badges { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 22px; }
.badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 16px; border-radius: 999px;
  font-size: 11.5px; font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase;
}
.badge-icon { width: 15px; height: 15px; stroke: currentColor; stroke-width: 2; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.badge-gold { border: 1px solid rgba(237, 189, 99, 0.4); background: rgba(237, 189, 99, 0.1); color: var(--gold); }
.badge-cyan { border: 1px solid rgba(142, 233, 247, 0.3); background: rgba(142, 233, 247, 0.1); color: var(--cyan-glow); }

.hero-title {
  max-width: 820px;
  font-size: clamp(2.35rem, 6vw, 4.35rem);
  font-weight: 800; letter-spacing: -0.02em; color: #fff;
}
.hero-sub {
  margin-top: 22px; max-width: 640px;
  font-size: clamp(1rem, 1.6vw, 1.18rem);
  color: rgba(226, 238, 245, 0.9);
}
.hero-sub strong { color: #fff; font-weight: 600; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 15px; margin-top: 34px; }

.hero-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
  margin: 64px 0 0;
}
.stat-card { border-radius: var(--radius); padding: 18px 20px; transition: transform 0.3s ease, border-color 0.3s ease; }
.stat-card:hover { transform: translateY(-4px); border-color: rgba(142, 233, 247, 0.35); }
.stat-value {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(1.4rem, 2.6vw, 2.1rem);
  background: var(--grad-ocean);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.stat-label { margin-top: 5px; font-size: 11px; font-weight: 500; letter-spacing: 0.09em; text-transform: uppercase; color: #b8cadb; }

/* Hero waves */
.hero-waves { position: absolute; left: 0; right: 0; bottom: -2px; z-index: 5; pointer-events: none; }
.wave { position: absolute; bottom: 0; left: 0; width: 200%; height: 90px; }
.wave svg { width: 100%; height: 100%; display: block; }
.wave-1 svg path { fill: rgba(43, 168, 201, 0.16); }
.wave-2 svg path { fill: rgba(23, 60, 82, 0.55); }
.wave-3 svg path { fill: var(--navy-900); }
.wave-1 { animation: waveDrift 11s linear infinite; }
.wave-2 { animation: waveDrift 17s linear infinite reverse; }
.wave-3 { animation: waveDrift 24s linear infinite; }
@keyframes waveDrift {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.scroll-cue {
  position: absolute; bottom: 108px; left: 50%; transform: translateX(-50%);
  z-index: 10;
  display: none; flex-direction: column; align-items: center; gap: 4px;
  color: rgba(203, 219, 233, 0.8);
  transition: color 0.3s ease;
}
.scroll-cue:hover { color: var(--cyan-glow); }
.scroll-cue span { font-size: 10px; font-weight: 600; letter-spacing: 0.3em; text-transform: uppercase; }
.cue-arrow { width: 16px; height: 16px; stroke: currentColor; stroke-width: 2; fill: none; stroke-linecap: round; stroke-linejoin: round; animation: cueBounce 1.6s ease-in-out infinite; }
@keyframes cueBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* ---------- Marquee ---------- */
.marquee-section { padding: 44px 0 50px; background: var(--navy-900); }
.marquee-label {
  text-align: center; margin-bottom: 26px;
  font-size: 11.5px; font-weight: 600; letter-spacing: 0.28em; text-transform: uppercase;
  color: #6f8aa3;
}
.marquee {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to right, transparent, #000 12%, #000 88%, transparent);
  mask-image: linear-gradient(to right, transparent, #000 12%, #000 88%, transparent);
}
.marquee-track {
  display: flex; align-items: center; gap: 34px;
  width: max-content;
  animation: marquee 32s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-item {
  font-family: var(--font-display);
  font-size: 15.5px; font-weight: 600; letter-spacing: 0.06em;
  color: rgba(196, 214, 229, 0.62);
  white-space: nowrap;
  transition: color 0.3s ease;
}
.marquee-item:hover { color: var(--cyan-glow); }
.marquee-dot { color: rgba(237, 189, 99, 0.45); font-size: 9px; }
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- Sections ---------- */
.section { padding: 92px 0; position: relative; }
.section-alt {
  background:
    radial-gradient(60% 50% at 85% 10%, rgba(43, 168, 201, 0.07), transparent 70%),
    radial-gradient(50% 40% at 10% 90%, rgba(237, 189, 99, 0.05), transparent 70%),
    var(--navy-950);
}
.section-heading { max-width: 720px; margin: 0 auto 56px; text-align: center; display: flex; flex-direction: column; gap: 14px; }
.eyebrow {
  display: inline-flex; align-self: center; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 700; letter-spacing: 0.26em; text-transform: uppercase;
  color: var(--gold);
}
.eyebrow::before, .eyebrow::after {
  content: ""; width: 26px; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(237, 189, 99, 0.6));
}
.eyebrow::after { background: linear-gradient(90deg, rgba(237, 189, 99, 0.6), transparent); }
.section-title { font-size: clamp(1.7rem, 3.6vw, 2.6rem); font-weight: 700; letter-spacing: -0.015em; color: #fff; }
.section-sub { color: var(--muted); font-size: 16.5px; }

.divider { line-height: 0; background: var(--navy-900); }
.divider svg { width: 100%; height: 72px; display: block; }
.divider path { fill: var(--navy-950); }

/* ---------- Reveal animations ---------- */
.reveal {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.75s ease, transform 0.75s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: var(--d, 0s);
  will-change: opacity, transform;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ---------- About ---------- */
.about-grid { display: grid; gap: 54px; align-items: center; grid-template-columns: 1fr; }
.about-media { position: relative; }
.about-media img {
  width: 100%; aspect-ratio: 4 / 3; object-fit: cover;
  border-radius: 22px;
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-lg);
}
.about-badge {
  position: absolute; left: 18px; bottom: 18px;
  border-radius: 14px; padding: 12px 18px;
  display: flex; flex-direction: column; gap: 2px;
}
.about-badge-title { font-family: var(--font-display); font-weight: 700; font-size: 15px; color: var(--gold); }
.about-badge-sub { font-size: 12px; color: var(--muted); }

.about-copy p { color: #c3d3e2; margin-bottom: 16px; }
.about-copy strong { color: #fff; font-weight: 600; }
.about-highlights { list-style: none; margin: 26px 0 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.about-highlights li {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 14px 16px;
  background: rgba(22, 40, 62, 0.45);
  border: 1px solid var(--border);
  border-radius: 14px;
  transition: border-color 0.3s ease, transform 0.3s ease;
}
.about-highlights li:hover { border-color: rgba(237, 189, 99, 0.4); transform: translateX(5px); }
.hl-icon {
  flex: none; width: 40px; height: 40px; border-radius: 11px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(237, 189, 99, 0.18), rgba(237, 189, 99, 0.06));
  border: 1px solid rgba(237, 189, 99, 0.3);
}
.hl-icon svg { width: 19px; height: 19px; stroke: var(--gold); stroke-width: 1.8; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.about-highlights strong { display: block; font-size: 15px; color: #fff; }
.about-highlights span { display: block; font-size: 13.5px; color: var(--muted); }

/* Timeline */
.timeline {
  margin-top: 72px;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
  position: relative;
}
.timeline::before {
  content: ""; position: absolute; top: 7px; left: 4%; right: 4%;
  height: 2px;
  background: linear-gradient(90deg, rgba(91, 209, 236, 0.5), rgba(237, 189, 99, 0.5));
  border-radius: 2px;
}
.timeline-item { position: relative; padding: 30px 18px 0; text-align: center; }
.timeline-item::before {
  content: ""; position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 15px; height: 15px; border-radius: 50%;
  background: var(--navy-900);
  border: 3px solid var(--cyan);
  box-shadow: 0 0 0 4px rgba(91, 209, 236, 0.15);
}
.timeline-item:nth-child(even)::before { border-color: var(--gold); box-shadow: 0 0 0 4px rgba(237, 189, 99, 0.15); }
.timeline-year {
  font-family: var(--font-display); font-weight: 800; font-size: 19px;
  background: var(--grad-ocean);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.timeline-item h3 { margin-top: 6px; font-size: 15.5px; font-weight: 600; color: #fff; }
.timeline-item p { margin-top: 8px; font-size: 13.5px; color: var(--muted); }

/* ---------- Services tabs ---------- */
.tabs {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 10px;
  margin-bottom: 34px;
}
.tab {
  padding: 12px 26px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: rgba(22, 40, 62, 0.5);
  font-family: var(--font-display); font-weight: 600; font-size: 14.5px;
  color: var(--muted);
  transition: all 0.3s ease;
}
.tab:hover { color: #fff; border-color: rgba(142, 233, 247, 0.4); }
.tab.active {
  background: var(--grad-btn); border-color: transparent; color: #07131f;
  box-shadow: 0 10px 26px -10px rgba(53, 193, 226, 0.55);
}

.tab-panels { position: relative; }
.tab-panel {
  display: grid; gap: 36px; align-items: center;
  grid-template-columns: 1fr;
  animation: panelIn 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}
.tab-panel.active { display: grid; }
.tab-panel[hidden] { display: none; }
@keyframes panelIn {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
.panel-media { position: relative; }
.panel-media img {
  width: 100%; aspect-ratio: 16 / 10.5; object-fit: cover;
  border-radius: 22px; border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-lg);
}
.panel-body h3 { font-size: 24px; font-weight: 700; color: #fff; }
.panel-headline {
  margin-top: 8px;
  font-family: var(--font-display); font-weight: 600; font-size: 15px;
  color: var(--gold); letter-spacing: 0.02em;
}
.panel-summary { margin-top: 12px; color: #c3d3e2; }
.check-list { list-style: none; margin: 20px 0 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.check-list li {
  position: relative; padding-left: 32px;
  font-size: 14.5px; color: #b9cadb;
}
.check-list li::before {
  content: ""; position: absolute; left: 0; top: 2px;
  width: 20px; height: 20px; border-radius: 7px;
  background: rgba(91, 209, 236, 0.12);
  border: 1px solid rgba(91, 209, 236, 0.35);
}
.check-list li::after {
  content: ""; position: absolute; left: 5.5px; top: 7.5px;
  width: 8px; height: 5px;
  border-left: 2px solid var(--cyan); border-bottom: 2px solid var(--cyan);
  transform: rotate(-45deg);
}

/* ---------- Bunkering ---------- */
.grades { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 26px; }
.grade {
  padding: 11px 20px;
  border-radius: 14px;
  border: 1px solid var(--border-strong);
  background: rgba(22, 40, 62, 0.5);
  display: flex; flex-direction: column; align-items: center; gap: 1px;
  transition: all 0.3s ease;
}
.grade small { font-size: 10.5px; letter-spacing: 0.06em; color: var(--muted); }
.grade:hover { border-color: rgba(142, 233, 247, 0.45); color: #fff; }
.grade.active {
  background: linear-gradient(135deg, rgba(91, 209, 236, 0.18), rgba(43, 168, 201, 0.1));
  border-color: var(--cyan);
  color: var(--cyan-glow);
  box-shadow: 0 0 0 4px rgba(91, 209, 236, 0.1);
}
.grade.active small { color: rgba(142, 233, 247, 0.75); }

.grade-panel {
  border-radius: 22px;
  padding: 34px;
  display: grid; gap: 30px; align-items: center;
  grid-template-columns: 1fr 200px;
  margin-bottom: 56px;
}
.grade-chip {
  display: inline-block; padding: 6px 14px; border-radius: 999px;
  background: rgba(237, 189, 99, 0.12); border: 1px solid rgba(237, 189, 99, 0.4);
  color: var(--gold); font-weight: 700; font-size: 12.5px; letter-spacing: 0.14em;
}
.grade-info h3 { margin-top: 14px; font-size: 23px; color: #fff; }
.grade-sulphur { margin-top: 6px; font-weight: 600; color: var(--cyan-glow); font-size: 14px; }
.grade-desc { margin-top: 12px; color: #b9cadb; max-width: 560px; }
.grade-visual { display: flex; flex-direction: column; align-items: center; gap: 14px; }
.grade-drop {
  width: 92px; height: 92px; border-radius: 50%;
  background: radial-gradient(circle at 32% 28%, #b7f0fb, #56cbe8 45%, #1b7d99 90%);
  box-shadow: 0 0 44px rgba(91, 209, 236, 0.4), inset 0 -8px 22px rgba(7, 19, 31, 0.35);
  animation: dropFloat 3.6s ease-in-out infinite;
}
@keyframes dropFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-9px); }
}
.grade-note { font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }

.advantages { display: grid; gap: 16px; grid-template-columns: repeat(4, 1fr); }
.advantage-card {
  position: relative;
  padding: 26px 22px;
  border-radius: var(--radius);
  background: rgba(22, 40, 62, 0.45);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease;
}
.advantage-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad-ocean);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.4s ease;
}
.advantage-card:hover { transform: translateY(-5px); border-color: rgba(142, 233, 247, 0.35); }
.advantage-card:hover::before { transform: scaleX(1); }
.adv-num {
  font-family: var(--font-display); font-weight: 800; font-size: 26px;
  color: rgba(142, 233, 247, 0.22);
}
.advantage-card h3 { margin-top: 10px; font-size: 16.5px; font-weight: 600; color: #fff; }
.advantage-card p { margin-top: 8px; font-size: 13.8px; color: var(--muted); }

/* ---------- Fleet ---------- */
.fleet { display: grid; gap: 22px; grid-template-columns: 1fr; }
.fleet-showcase { border-radius: 24px; overflow: hidden; display: grid; grid-template-columns: 1fr; }
.fleet-media { position: relative; min-height: 240px; }
.fleet-media img { width: 100%; height: 100%; object-fit: cover; transition: opacity 0.35s ease; }
.fleet-shade {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10, 20, 34, 0.75), transparent 55%);
}
.fleet-spec {
  position: absolute; left: 20px; bottom: 18px;
  padding: 8px 15px; border-radius: 999px;
  background: rgba(10, 20, 34, 0.72); border: 1px solid var(--border-strong);
  backdrop-filter: blur(8px);
  font-size: 12.5px; font-weight: 600; letter-spacing: 0.05em; color: var(--cyan-glow);
}
.fleet-info { padding: 28px 30px 30px; }
.fleet-info h3 { font-size: 24px; color: #fff; }
.fleet-info > p { margin-top: 10px; color: #b9cadb; font-size: 14.8px; }
.fleet-stats { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
.fleet-stat {
  padding: 12px 20px; border-radius: 14px;
  background: rgba(10, 20, 34, 0.5); border: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 1px; min-width: 92px;
}
.fleet-stat span { font-family: var(--font-display); font-weight: 700; font-size: 18px; color: var(--gold); }
.fleet-stat small { font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.fleet-nav { display: flex; align-items: center; gap: 14px; margin-top: 24px; }
.fleet-btn {
  width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid var(--border-strong);
  display: grid; place-items: center;
  transition: all 0.3s ease;
}
.fleet-btn svg { width: 19px; height: 19px; stroke: currentColor; stroke-width: 2; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.fleet-btn:hover { background: rgba(91, 209, 236, 0.14); border-color: var(--cyan); color: var(--cyan-glow); }
.fleet-count { font-family: var(--font-display); font-weight: 600; font-size: 13.5px; color: var(--muted); letter-spacing: 0.1em; }

.fleet-list { display: grid; gap: 12px; grid-template-columns: 1fr; }
.fleet-item {
  text-align: left;
  padding: 18px 22px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(22, 40, 62, 0.4);
  display: flex; flex-direction: column; gap: 3px;
  transition: all 0.3s ease;
}
.fi-name { font-family: var(--font-display); font-weight: 700; font-size: 16px; color: #dce8f2; }
.fi-spec { font-size: 13px; color: var(--muted); }
.fleet-item:hover { border-color: rgba(142, 233, 247, 0.4); }
.fleet-item.active {
  border-color: var(--gold);
  background: linear-gradient(120deg, rgba(237, 189, 99, 0.12), rgba(237, 189, 99, 0.04));
}
.fleet-item.active .fi-name { color: var(--gold); }

/* ---------- Ports ---------- */
.ports-grid { display: grid; gap: 48px; align-items: center; grid-template-columns: 1fr; }
.radar-wrap { text-align: center; }
.radar {
  position: relative;
  width: min(420px, 100%); aspect-ratio: 1;
  margin: 0 auto;
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(43, 168, 201, 0.1), rgba(10, 20, 34, 0.4) 70%);
  border: 1px solid rgba(142, 233, 247, 0.2);
  overflow: hidden;
}
.radar-ring { position: absolute; inset: 0; border-radius: 50%; border: 1px solid rgba(142, 233, 247, 0.14); }
.radar-ring.r2 { inset: 17%; }
.radar-ring.r3 { inset: 34%; }
.radar-axis { position: absolute; background: rgba(142, 233, 247, 0.1); }
.ax-h { left: 0; right: 0; top: 50%; height: 1px; }
.ax-v { top: 0; bottom: 0; left: 50%; width: 1px; }
.radar-sweep {
  position: absolute; inset: 0; border-radius: 50%;
  background: conic-gradient(from 0deg, rgba(142, 233, 247, 0.35), transparent 22%);
  animation: sweep 4.5s linear infinite;
}
@keyframes sweep {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
.radar-center {
  position: absolute; left: 50%; top: 64%; transform: translateX(-50%);
  font-size: 11px; letter-spacing: 0.3em; text-transform: uppercase;
  color: rgba(159, 179, 196, 0.75);
}
.port-dot { position: absolute; display: flex; align-items: center; gap: 7px; }
.port-dot i {
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 0 rgba(237, 189, 99, 0.55);
  animation: dotPing 2.2s ease-out infinite;
  flex: none;
}
.port-dot:nth-child(odd) i { background: var(--cyan-glow); box-shadow: 0 0 0 0 rgba(142, 233, 247, 0.55); animation-name: dotPingCyan; }
.port-dot b {
  font-family: var(--font-display); font-weight: 600; font-size: 12px;
  color: #fff; letter-spacing: 0.04em;
  background: rgba(10, 20, 34, 0.75);
  border: 1px solid var(--border-strong);
  padding: 3px 10px; border-radius: 999px;
  backdrop-filter: blur(6px);
  white-space: nowrap;
}
@keyframes dotPing {
  0% { box-shadow: 0 0 0 0 rgba(237, 189, 99, 0.55); }
  70% { box-shadow: 0 0 0 14px rgba(237, 189, 99, 0); }
  100% { box-shadow: 0 0 0 0 rgba(237, 189, 99, 0); }
}
@keyframes dotPingCyan {
  0% { box-shadow: 0 0 0 0 rgba(142, 233, 247, 0.55); }
  70% { box-shadow: 0 0 0 14px rgba(142, 233, 247, 0); }
  100% { box-shadow: 0 0 0 0 rgba(142, 233, 247, 0); }
}
.radar-caption { margin-top: 20px; font-size: 12.5px; color: #6f8aa3; letter-spacing: 0.04em; }

.port-cards { display: flex; flex-direction: column; gap: 16px; }
.port-card {
  padding: 24px 26px;
  border-radius: var(--radius);
  background: rgba(22, 40, 62, 0.45);
  border: 1px solid var(--border);
  transition: transform 0.3s ease, border-color 0.3s ease;
}
.port-card:hover { transform: translateX(6px); border-color: rgba(237, 189, 99, 0.4); }
.port-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.port-card h3 { font-size: 19px; color: #fff; }
.port-tag {
  padding: 5px 12px; border-radius: 999px;
  font-size: 10.5px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
  background: rgba(91, 209, 236, 0.1); border: 1px solid rgba(91, 209, 236, 0.35);
  color: var(--cyan-glow);
  white-space: nowrap;
}
.port-sub { margin-top: 4px; font-size: 13px; font-weight: 600; color: var(--gold); letter-spacing: 0.04em; }
.port-card > p:last-child { margin-top: 12px; font-size: 14.2px; color: var(--muted); }

/* ---------- Why us ---------- */
.why-grid { display: grid; gap: 16px; grid-template-columns: repeat(4, 1fr); }
.why-card {
  padding: 30px 24px;
  border-radius: var(--radius);
  background: rgba(22, 40, 62, 0.45);
  border: 1px solid var(--border);
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.why-card:hover {
  transform: translateY(-6px);
  border-color: rgba(237, 189, 99, 0.4);
  box-shadow: 0 20px 44px -20px rgba(2, 8, 18, 0.8);
}
.why-icon {
  display: grid; place-items: center;
  width: 52px; height: 52px; border-radius: 15px;
  background: linear-gradient(135deg, rgba(91, 209, 236, 0.16), rgba(43, 168, 201, 0.07));
  border: 1px solid rgba(91, 209, 236, 0.32);
  margin-bottom: 18px;
}
.why-icon svg { width: 23px; height: 23px; stroke: var(--cyan-glow); stroke-width: 1.8; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.why-card h3 { font-size: 16.5px; font-weight: 600; color: #fff; }
.why-card p { margin-top: 10px; font-size: 13.8px; color: var(--muted); }

/* ---------- Contact ---------- */
.contact-grid { display: grid; gap: 26px; grid-template-columns: 1fr; align-items: start; }
.contact-info { display: grid; gap: 14px; grid-template-columns: 1fr; }
.info-card {
  display: flex; gap: 15px; align-items: flex-start;
  padding: 18px 20px;
  border-radius: 16px;
  background: rgba(22, 40, 62, 0.45);
  border: 1px solid var(--border);
  transition: transform 0.3s ease, border-color 0.3s ease;
}
a.info-card:hover { transform: translateY(-3px); border-color: rgba(142, 233, 247, 0.4); }
.info-card.static:hover { border-color: rgba(237, 189, 99, 0.4); }
.info-icon {
  flex: none; width: 44px; height: 44px; border-radius: 13px;
  display: grid; place-items: center;
  background: rgba(91, 209, 236, 0.1);
  border: 1px solid rgba(91, 209, 236, 0.3);
}
.info-icon svg { width: 20px; height: 20px; stroke: var(--cyan-glow); stroke-width: 1.8; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.info-card strong { display: block; font-size: 14.5px; color: #fff; }
.info-card span { display: block; margin-top: 2px; font-size: 13.5px; color: var(--muted); }

.map-wrap { border-radius: 18px; overflow: hidden; border: 1px solid var(--border); height: 240px; }
.map-wrap iframe { width: 100%; height: 100%; border: 0; filter: grayscale(0.9) invert(0.92) hue-rotate(185deg) brightness(0.92) contrast(0.94); }

.contact-form-wrap {
  border-radius: 24px;
  padding: 34px 30px;
}
.contact-form-wrap h3 { font-size: 22px; color: #fff; }
.form-note { margin-top: 10px; font-size: 13.5px; color: var(--muted); }
.form-note a, .form-alt a { color: var(--gold); font-weight: 600; }

#quoteForm { margin-top: 22px; display: flex; flex-direction: column; gap: 15px; }
.form-row { display: grid; gap: 15px; grid-template-columns: 1fr; }
.form-field { display: flex; flex-direction: column; gap: 7px; }
.form-field label { font-size: 12.5px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: #a9bdd0; }
.form-field label em { color: var(--gold); font-style: normal; }
.form-field input, .form-field select, .form-field textarea {
  width: 100%;
  padding: 13px 16px;
  border-radius: 13px;
  border: 1px solid var(--border-strong);
  background: rgba(10, 20, 34, 0.55);
  color: var(--fg);
  font: inherit; font-size: 14.5px;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.form-field textarea { resize: vertical; min-height: 104px; }
.form-field select option { background: var(--navy-800); color: var(--fg); }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 4px rgba(91, 209, 236, 0.14);
}
.form-field input.error, .form-field textarea.error { border-color: #e4573d; box-shadow: 0 0 0 4px rgba(228, 87, 61, 0.14); }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

.form-alt { text-align: center; font-size: 13px; color: var(--muted); }

/* ---------- CTA banner ---------- */
.cta-section { padding: 0 0 92px; background: var(--navy-900); }
.cta-banner {
  position: relative; overflow: hidden;
  border-radius: 32px;
  border: 1px solid rgba(142, 233, 247, 0.2);
  background: linear-gradient(135deg, rgba(22, 40, 62, 0.85), rgba(14, 26, 43, 0.65) 55%, rgba(10, 20, 34, 0.9));
  padding: 60px 32px;
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.cta-glow { position: absolute; border-radius: 50%; filter: blur(100px); pointer-events: none; }
.cta-glow-a { top: -110px; left: 22%; width: 260px; height: 260px; background: rgba(53, 193, 226, 0.16); }
.cta-glow-b { bottom: -110px; right: 22%; width: 260px; height: 260px; background: rgba(237, 189, 99, 0.12); }
.cta-banner h2 { font-size: clamp(1.6rem, 3.4vw, 2.4rem); color: #fff; max-width: 640px; margin: 0 auto; }
.cta-banner p { margin: 16px auto 0; max-width: 560px; color: var(--muted); }
.cta-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; margin-top: 30px; }

/* ---------- Footer ---------- */
.footer {
  margin-top: auto;
  background: var(--navy-950);
  border-top: 1px solid var(--border);
}
.footer-grid {
  display: grid; gap: 40px;
  grid-template-columns: 1fr;
  padding: 60px 20px 46px;
}
.footer-brand p { margin-top: 18px; font-size: 14px; color: var(--muted); max-width: 330px; }
.footer-col { display: flex; flex-direction: column; gap: 11px; }
.footer-col h4 {
  font-size: 13px; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 6px;
}
.footer-col a { color: #b9cadb; font-size: 14.2px; transition: color 0.25s ease, padding-left 0.25s ease; }
.footer-col a:hover { color: var(--cyan-glow); padding-left: 4px; }
.footer-addr { font-size: 13.5px; color: var(--muted); }
.footer-bar { border-top: 1px solid var(--border); padding: 20px 0; }
.footer-bar-inner {
  display: flex; flex-wrap: wrap; gap: 8px 24px;
  align-items: center; justify-content: space-between;
}
.footer-bar p { font-size: 12.8px; color: #6f8aa3; }

/* ---------- Floating ---------- */
#toTop {
  position: fixed; right: 22px; bottom: 92px; z-index: 90;
  width: 46px; height: 46px; border-radius: 50%;
  background: rgba(22, 40, 62, 0.85); border: 1px solid var(--border-strong);
  backdrop-filter: blur(8px);
  display: grid; place-items: center;
  opacity: 0; visibility: hidden; transform: translateY(12px);
  transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
}
#toTop svg { width: 19px; height: 19px; stroke: currentColor; stroke-width: 2; fill: none; stroke-linecap: round; stroke-linejoin: round; }
#toTop.show { opacity: 1; visibility: visible; transform: translateY(0); }
#toTop:hover { border-color: var(--cyan); color: var(--cyan-glow); }

.wa-float {
  position: fixed; right: 22px; bottom: 26px; z-index: 90;
  width: 54px; height: 54px; border-radius: 50%;
  background: linear-gradient(135deg, #2fce6d, #1da851);
  color: #fff;
  display: grid; place-items: center;
  box-shadow: 0 14px 34px -12px rgba(37, 197, 105, 0.65);
  transition: transform 0.3s ease;
}
.wa-float svg { width: 27px; height: 27px; }
.wa-float:hover { transform: scale(1.08); }
.wa-float::after {
  content: ""; position: absolute; inset: -4px;
  border-radius: 50%;
  border: 2px solid rgba(47, 206, 109, 0.5);
  animation: waPing 2.4s ease-out infinite;
}
@keyframes waPing {
  0% { transform: scale(0.9); opacity: 1; }
  70%, 100% { transform: scale(1.35); opacity: 0; }
}

/* ---------- Toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 30px; z-index: 150;
  transform: translate(-50%, 20px);
  background: rgba(12, 23, 38, 0.96);
  border: 1px solid rgba(237, 189, 99, 0.45);
  color: var(--fg);
  padding: 14px 22px;
  border-radius: 14px;
  font-size: 14.2px;
  box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden;
  transition: opacity 0.35s ease, transform 0.35s ease, visibility 0.35s ease;
  max-width: min(420px, calc(100vw - 40px));
  text-align: center;
}
.toast.show { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.toast.error { border-color: rgba(228, 87, 61, 0.55); }

/* ---------- Responsive ---------- */
@media (min-width: 640px) {
  .form-row { grid-template-columns: 1fr 1fr; }
  .fleet-list { grid-template-columns: repeat(3, 1fr); }
  .contact-info { grid-template-columns: 1fr 1fr; }
  .map-wrap { grid-column: 1 / -1; }
}

@media (min-width: 768px) {
  .scroll-cue { display: flex; }
  .tab-panel { grid-template-columns: 1fr 1fr; }
  .fleet-showcase { grid-template-columns: 1.15fr 1fr; }
  .fleet-media { min-height: 320px; }
  .ports-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1.2fr; }
  .stat-card { padding: 22px 24px; }
}

@media (min-width: 1024px) {
  .about-grid { grid-template-columns: 1fr 1.05fr; gap: 64px; }
  .advantages, .why-grid { grid-template-columns: repeat(4, 1fr); }
  .contact-grid { grid-template-columns: 1fr 1.1fr; gap: 34px; }
  .fleet { grid-template-columns: 1fr 320px; align-items: start; }
  .hero-stats { margin-top: 84px; }
}

@media (max-width: 767px) {
  .section { padding: 68px 0; }
  .nav-links, .nav-cta { display: none; }
  .burger { display: flex; margin-left: auto; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .timeline { grid-template-columns: 1fr 1fr; gap: 26px 8px; }
  .timeline::before { display: none; }
  .timeline-item::before { display: none; }
  .timeline-item { padding-top: 0; }
  .grade-panel { grid-template-columns: 1fr; padding: 26px; }
  .grade-visual { flex-direction: row; }
  .advantages { grid-template-columns: 1fr 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .advantage-card { padding: 20px 18px; }
}

@media (max-width: 480px) {
  .timeline { grid-template-columns: 1fr; }
  .advantages { grid-template-columns: 1fr; }
  .hero-ctas .btn { width: 100%; }
  .contact-form-wrap { padding: 26px 20px; }
  .cta-banner { padding: 44px 22px; border-radius: 24px; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}