/* ===== Design tokens ===== */
:root {
  --navy: #0a2a52;
  --navy-deep: #071c38;
  --navy-soft: #123a6e;
  --accent: #f5921f;
  --accent-2: #ff7a1a;
  --bg: #f5f8fc;
  --surface: #ffffff;
  --text: #10233f;
  --text-muted: #55698a;
  --border: #e4eaf3;
  --shadow: 0 10px 30px rgba(10, 42, 82, 0.08);
  --radius: 16px;
  --container: 1180px;
  color-scheme: light;
}

:root[data-theme="dark"] {
  --bg: #0a1526;
  --surface: #101f38;
  --text: #eaf1fb;
  --text-muted: #a9bad9;
  --border: #1d3358;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0a1526;
    --surface: #101f38;
    --text: #eaf1fb;
    --text-muted: #a9bad9;
    --border: #1d3358;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  transition: background .3s ease, color .3s ease;
}
h1, h2, h3, h4 { font-family: "Poppins", sans-serif; margin: 0 0 .5em; line-height: 1.2; }
p { line-height: 1.65; color: var(--text-muted); }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; margin: 0; padding: 0; }
button { font-family: inherit; cursor: pointer; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.center { text-align: center; }

.section-kicker {
  color: var(--accent);
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: .8rem;
  margin-bottom: .5em;
}
.section-kicker.light { color: #ffcf94; }
.section-sub { color: var(--text-muted); max-width: 620px; margin: 0 auto 2.5rem; }
.section-sub.center { margin-left: auto; margin-right: auto; }

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: .85em 1.6em;
  border-radius: 999px;
  font-weight: 600;
  border: 2px solid transparent;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
  white-space: nowrap;
}
.btn-accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  box-shadow: 0 8px 20px rgba(245, 146, 31, .35);
}
.btn-accent:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(245, 146, 31, .45); }
.btn-outline {
  border-color: var(--navy-soft);
  color: var(--text);
}
:root[data-theme="dark"] .btn-outline { border-color: #33507f; }
.btn-outline:hover { background: var(--navy-soft); color: #fff; border-color: var(--navy-soft); }
.btn.full { width: 100%; text-align: center; border: none; }

/* ===== Topbar ===== */
.topbar { background: var(--navy-deep); color: #cfe0ff; font-size: .82rem; }
.topbar-inner { display: flex; justify-content: space-between; align-items: center; padding: 8px 24px; flex-wrap: wrap; gap: 6px; }
.topbar-left { display: flex; gap: 20px; flex-wrap: wrap; }
.topbar-left a { color: #cfe0ff; }
.topbar-right { display: flex; gap: 14px; align-items: center; }
.topbar-right a { color: #cfe0ff; opacity: .85; font-weight: 600; font-size: .75rem; border: 1px solid rgba(255,255,255,.25); border-radius: 6px; padding: 2px 6px; }
.theme-toggle {
  background: rgba(255,255,255,.12);
  border: none;
  border-radius: 999px;
  width: 30px; height: 30px;
  display: inline-flex; align-items: center; justify-content: center;
  position: relative;
}
.theme-toggle .moon { display: none; }
:root[data-theme="dark"] .theme-toggle .sun { display: none; }
:root[data-theme="dark"] .theme-toggle .moon { display: inline; }

/* ===== Navbar ===== */
.navbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100;
  transition: box-shadow .2s ease;
}
.navbar.scrolled { box-shadow: var(--shadow); }
.navbar-inner { display: flex; align-items: center; gap: 24px; padding: 12px 24px; }
.brand { display: flex; align-items: center; gap: 10px; margin-right: auto; color: var(--navy); }
:root[data-theme="dark"] .brand { color: #fff; }
.brand-mark { color: var(--navy); flex-shrink: 0; }
:root[data-theme="dark"] .brand-mark { color: #6fa8ff; }
.brand-text strong { font-size: 1.15rem; letter-spacing: .01em; display:block; }
.brand-text strong em { font-style: normal; color: var(--accent); }
.brand-text small { display: block; font-size: .68rem; color: var(--text-muted); font-weight: 500; }

.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links > a { font-weight: 500; font-size: .95rem; padding: 8px 0; position: relative; }
.nav-links > a.active,
.nav-links > a:hover { color: var(--accent); }
.dropdown { position: relative; }
.dropdown-menu {
  position: absolute; top: 100%; left: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow);
  min-width: 220px;
  padding: 8px;
  opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: all .18s ease;
}
.dropdown:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-menu a { display: block; padding: 8px 10px; border-radius: 6px; font-size: .9rem; }
.dropdown-menu a:hover { background: var(--bg); color: var(--accent); }

.nav-cta { flex-shrink: 0; }
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; padding: 6px; }
.hamburger span { width: 24px; height: 2px; background: var(--text); display: block; }

/* ===== Hero ===== */
.hero { position: relative; overflow: hidden; padding: 70px 0 60px; color: #fff; }
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-gradient {
  position: absolute; inset: 0;
  background: linear-gradient(120deg, var(--navy-deep) 0%, var(--navy) 55%, var(--navy-soft) 100%);
}
.route-svg { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .55; }
.route-path { fill: none; stroke: rgba(255,255,255,.35); stroke-width: 2; stroke-dasharray: 6 8; }
.route-path-sea { stroke: rgba(255, 190, 110, .35); }
.mover text { }

.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.5fr 1fr; gap: 40px; align-items: center; }
.hero-badges { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 18px; }
.badge {
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.25);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 700;
  backdrop-filter: blur(4px);
}
.badge-alt { background: rgba(245,146,31,.2); border-color: rgba(245,146,31,.5); color: #ffd9a3; }
.hero h1 { font-size: clamp(2rem, 3.6vw, 3.1rem); margin-bottom: .4em; }
.accent-text { color: var(--accent); }
.hero-sub { color: #cfe0ff; max-width: 560px; margin-bottom: 1.8rem; }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 2.4rem; }
.hero .btn-outline { border-color: rgba(255,255,255,.5); color: #fff; }
.hero .btn-outline:hover { background: #fff; color: var(--navy); border-color: #fff; }

.hero-stats { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.stat-num { font-family: "Poppins", sans-serif; font-size: 2rem; font-weight: 800; color: var(--accent); display: block; }
.stat-label { font-size: .8rem; color: #cfe0ff; }
.stat-divider { width: 1px; height: 40px; background: rgba(255,255,255,.25); }

.hero-modes { display: flex; flex-direction: column; align-items: flex-end; gap: 10px; }
.mode-chip {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.25);
  padding: 10px 18px;
  border-radius: 12px;
  font-weight: 700;
  letter-spacing: .05em;
  width: 180px;
  text-align: center;
}
.hero-modes p { color: #cfe0ff; font-size: .8rem; text-align: right; max-width: 220px; }

/* ===== Marquee ===== */
.brands { padding: 40px 0 10px; }
.marquee { overflow: hidden; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 18px 0; margin-top: 10px; }
.marquee-track { display: flex; gap: 60px; width: max-content; animation: scroll-left 22s linear infinite; }
.marquee-track span { font-family: "Poppins", sans-serif; font-weight: 700; color: var(--text-muted); font-size: 1.05rem; white-space: nowrap; opacity: .8; }
@keyframes scroll-left { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ===== Process ===== */
.process { padding: 70px 0; text-align: center; }
.process h2 { font-size: 1.9rem; }
.process-steps { display: flex; align-items: flex-start; justify-content: center; gap: 6px; flex-wrap: wrap; margin-top: 2.5rem; }
.step { width: 150px; }
.step-icon {
  width: 68px; height: 68px; border-radius: 50%;
  background: var(--surface); border: 2px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; margin: 0 auto 10px;
  box-shadow: var(--shadow);
}
.step h3 { font-size: .88rem; font-weight: 600; }
.step-arrow { font-size: 1.6rem; color: var(--accent); align-self: center; margin-top: 20px; }

/* ===== About ===== */
.about { padding: 70px 0; }
.about-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 50px; align-items: center; }
.about h2 { font-size: 1.9rem; }
.about-points { margin: 1.2rem 0 1.6rem; display: flex; flex-direction: column; gap: 10px; }
.about-points li { color: var(--text-muted); font-weight: 500; }
.about-timeline { display: flex; flex-direction: column; gap: 22px; position: relative; padding-left: 20px; border-left: 2px dashed var(--border); }
.tl-item { display: flex; gap: 14px; position: relative; }
.tl-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--accent); margin-top: 5px; flex-shrink: 0; margin-left: -27px; box-shadow: 0 0 0 4px var(--bg); }
.tl-item strong { display: block; margin-bottom: 2px; }
.tl-item p { margin: 0; font-size: .9rem; }

/* ===== Services ===== */
.services { padding: 70px 0; background: var(--surface); }
.services h2 { font-size: 1.9rem; margin-bottom: 2.5rem; }
.service-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform .25s ease, box-shadow .25s ease;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.card-icon { font-size: 2rem; margin-bottom: 12px; }
.card h3 { font-size: 1.1rem; }
.card p { font-size: .9rem; margin: 0; }

/* ===== Sea strip ===== */
.sea-strip { background: linear-gradient(120deg, var(--navy-deep), var(--navy)); color: #fff; padding: 60px 0; }
.sea-strip-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.sea-strip h2 { font-size: 1.7rem; }
.sea-strip p { color: #cfe0ff; }
.sea-strip-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.sea-strip-grid > div { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.2); border-radius: 14px; padding: 20px 14px; text-align: center; }
.sea-icon { font-size: 1.8rem; margin-bottom: 8px; }
.sea-strip-grid span { font-size: .85rem; font-weight: 600; }

/* ===== Ports ===== */
.ports { padding: 70px 0; }
.ports h2 { font-size: 1.9rem; }
.ports-tabs { display: flex; justify-content: center; gap: 10px; margin: 1.5rem 0 2.2rem; }
.tab-btn {
  background: var(--surface); border: 1px solid var(--border);
  padding: 10px 22px; border-radius: 999px; font-weight: 600;
  color: var(--text-muted);
}
.tab-btn.active { background: var(--navy); color: #fff; border-color: var(--navy); }
.port-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; }
.port-pin {
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
  padding: 14px 16px; font-weight: 600; font-size: .9rem;
  display: flex; flex-direction: column; gap: 2px;
  position: relative; padding-left: 40px;
}
.port-pin::before { content: "📍"; position: absolute; left: 12px; top: 12px; }
.port-pin small { color: var(--text-muted); font-weight: 500; }
.port-pin.more { text-align: center; justify-content: center; padding-left: 16px; color: var(--accent); }
.port-pin.more::before { content: none; }

/* ===== Calculator ===== */
.calculator { padding: 70px 0; background: var(--surface); }
.calc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: flex-start; }
.calc-copy h2 { font-size: 1.9rem; }
.disclaimer { font-size: .8rem; background: #fff4e5; border: 1px solid #ffdca8; color: #8a5a12; padding: 12px; border-radius: 10px; }
:root[data-theme="dark"] .disclaimer { background: #2a2210; border-color: #4a3a12; color: #ffcf94; }
.calc-widget { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; }
.calc-widget label { display: block; font-size: .85rem; font-weight: 600; margin: 14px 0 6px; }
.calc-widget label:first-child { margin-top: 0; }
.calc-widget input, .calc-widget select {
  width: 100%; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--surface); color: var(--text); font-size: .95rem;
}
#calcBtn { margin-top: 20px; width: 100%; text-align: center; border: none; }
.calc-result { margin-top: 22px; border-top: 1px dashed var(--border); padding-top: 16px; }
.result-row { display: flex; justify-content: space-between; padding: 6px 0; font-size: .9rem; color: var(--text-muted); }
.result-row.total { font-size: 1.05rem; color: var(--text); border-top: 1px solid var(--border); margin-top: 6px; padding-top: 12px; }
.result-row.total strong { color: var(--accent); }
.result-cta { display: block; text-align: center; margin-top: 16px; }

/* ===== Tracker ===== */
.tracker { padding: 70px 0; }
.tracker h2 { font-size: 1.9rem; }
.tracker-widget { max-width: 900px; margin: 0 auto; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow); }
.tracker-input-row { display: flex; gap: 12px; flex-wrap: wrap; }
.tracker-input-row input {
  flex: 1; min-width: 220px; padding: 13px 16px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--bg); color: var(--text); font-size: .95rem;
}
.tracker-progress { margin-top: 34px; }
.tp-line { position: relative; height: 4px; background: var(--border); border-radius: 4px; margin: 0 30px 18px; }
.tp-line-fill { position: absolute; left: 0; top: 0; height: 100%; width: 0%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); border-radius: 4px; transition: width .6s ease; }
.tp-steps { display: flex; justify-content: space-between; text-align: center; }
.tp-step { flex: 1; opacity: .4; transition: opacity .3s ease, transform .3s ease; }
.tp-step.active { opacity: 1; transform: translateY(-3px); }
.tp-icon { font-size: 1.4rem; display: block; margin-bottom: 6px; }
.tp-step p { margin: 0; font-size: .72rem; font-weight: 600; color: var(--text); }
.tp-note { text-align: center; margin-top: 20px; font-weight: 600; color: var(--accent); }

/* ===== Industries ===== */
.industries { padding: 70px 0; background: var(--surface); }
.industries h2 { font-size: 1.9rem; }
.industry-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 2rem; }
.industry {
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px 10px; text-align: center; transition: transform .2s ease;
}
.industry:hover { transform: translateY(-4px); }
.industry span { font-size: 2rem; display: block; margin-bottom: 8px; }
.industry p { margin: 0; font-weight: 600; font-size: .88rem; color: var(--text); }

/* ===== FAQ ===== */
.faq { padding: 70px 0; }
.faq-grid { max-width: 780px; margin: 0 auto; }
.faq h2 { font-size: 1.9rem; }
.accordion { margin-top: 1.5rem; display: flex; flex-direction: column; gap: 10px; }
.acc-item { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.acc-head {
  width: 100%; text-align: left; background: none; border: none; padding: 16px 20px;
  display: flex; justify-content: space-between; align-items: center;
  font-weight: 600; font-size: .95rem; color: var(--text);
}
.acc-head span { color: var(--accent); font-size: 1.3rem; transition: transform .2s ease; }
.acc-item.open .acc-head span { transform: rotate(45deg); }
.acc-body { max-height: 0; overflow: hidden; transition: max-height .3s ease; padding: 0 20px; }
.acc-item.open .acc-body { max-height: 200px; padding-bottom: 16px; }
.acc-body p { margin: 0; font-size: .9rem; }

/* ===== Quote ===== */
.quote { padding: 70px 0; background: linear-gradient(120deg, var(--navy-deep), var(--navy)); color: #fff; }
.quote-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 50px; align-items: flex-start; }
.quote h2 { font-size: 1.9rem; }
.quote p { color: #cfe0ff; }
.quote-contacts { display: flex; flex-direction: column; gap: 10px; margin-top: 1.4rem; font-weight: 600; }
.quote-contacts a:hover { color: var(--accent); }
.quote-form { background: var(--surface); border-radius: var(--radius); padding: 28px; color: var(--text); }
.quote-form label { display: block; font-size: .85rem; font-weight: 600; margin: 12px 0 6px; }
.quote-form label:first-of-type { margin-top: 0; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.quote-form input, .quote-form select, .quote-form textarea {
  width: 100%; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--bg); color: var(--text); font-size: .92rem; font-family: inherit;
}
.quote-form button { margin-top: 18px; }
.form-success { margin-top: 14px; color: #1f8a4c; font-weight: 600; font-size: .9rem; }

/* ===== Careers ===== */
.careers { padding: 60px 0; background: var(--surface); }
.careers-inner { display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; }
.careers h2 { font-size: 1.6rem; }
.careers p { max-width: 560px; }

/* ===== Footer ===== */
.footer { background: var(--navy-deep); color: #cfe0ff; padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 30px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-brand { margin-bottom: 12px; color: #fff; }
.footer h4 { color: #fff; font-size: .95rem; margin-bottom: 14px; }
.footer-grid a, .footer-grid span { display: block; margin-bottom: 10px; font-size: .88rem; color: #cfe0ff; }
.footer-grid a:hover { color: var(--accent); }
.footer-social { display: flex; gap: 14px; margin-top: 14px; }
.footer-social a { background: rgba(255,255,255,.1); padding: 6px 12px; border-radius: 8px; margin: 0; }
.footer-bottom { text-align: center; padding: 20px 0; font-size: .8rem; color: #93a9d6; }

/* ===== Floating buttons ===== */
.float-btn {
  position: fixed; right: 22px; z-index: 200;
  width: 54px; height: 54px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; box-shadow: 0 8px 20px rgba(0,0,0,.25);
  border: none; cursor: pointer; transition: transform .2s ease;
}
.float-btn:hover { transform: scale(1.08); }
.float-btn.whatsapp { bottom: 92px; background: #25d366; color: #fff; }
.float-btn.call { bottom: 22px; background: var(--accent); color: #fff; }
.float-btn.top { bottom: 162px; background: var(--surface); color: var(--text); border: 1px solid var(--border); opacity: 0; pointer-events: none; }
.float-btn.top.show { opacity: 1; pointer-events: auto; }

/* ===== Reveal animation ===== */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* ===== Responsive ===== */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-modes { align-items: flex-start; }
  .hero-modes p { text-align: left; }
  .about-grid, .sea-strip-inner, .calc-grid, .quote-grid { grid-template-columns: 1fr; }
  .service-cards { grid-template-columns: repeat(2, 1fr); }
  .industry-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .topbar-left span:nth-child(2) { display: none; }
  .nav-links { position: fixed; top: 0; right: 0; height: 100vh; width: 78%; max-width: 320px;
    background: var(--surface); flex-direction: column; align-items: flex-start; padding: 90px 24px 24px;
    transform: translateX(100%); transition: transform .25s ease; box-shadow: var(--shadow); gap: 18px; }
  .nav-links.open { transform: translateX(0); }
  .dropdown-menu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: none; display: none; padding-left: 10px; }
  .dropdown.open .dropdown-menu { display: block; }
  .hamburger { display: flex; }
  .nav-cta { display: none; }
  .service-cards { grid-template-columns: 1fr; }
  .industry-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .process-steps { flex-direction: column; align-items: center; }
  .step-arrow { transform: rotate(90deg); margin: 0; }
}