/* ===== Tokens ===== */
:root {
  color-scheme: light;

  /* Brand */
  --primary: #1b3a5c;
  --primary-strong: #12293f;
  --primary-soft: #2f6299;
  --steel: #3f6d9e;

  /* Accent */
  --accent: #e0821d;
  --accent-ink: #a85c0c;

  /* Neutrals */
  --bg: #ffffff;
  --surface: #ffffff;
  --surface-alt: #f5f7fa;
  --surface-sunk: #eef2f6;
  --text: #0f1a26;
  --text-muted: #5a6b7d;
  --border: #e2e8ef;
  --border-strong: #cbd6e2;

  /* Buttons */
  --btn-bg: var(--primary-strong);
  --btn-bg-hover: #0b1c2c;
  --btn-fg: #ffffff;

  /* Panels */
  --panel-1: #0d2540;
  --panel-2: #17416b;
  --footer-bg: #0b1f33;

  --shadow-sm: 0 1px 2px rgba(15, 26, 38, .06);
  --shadow-md: 0 4px 14px -4px rgba(15, 26, 38, .10), 0 1px 3px rgba(15, 26, 38, .05);
  --shadow-lg: 0 24px 48px -20px rgba(15, 26, 38, .22), 0 2px 8px rgba(15, 26, 38, .05);
  --ring: 0 0 0 3px color-mix(in srgb, var(--primary-soft) 32%, transparent);

  --radius: 10px;
  --radius-sm: 6px;
  --header-h: 68px;

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
          "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", sans-serif;

  --check: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E");
}

[data-theme="dark"] {
  color-scheme: dark;

  --primary: #5b9bd9;
  --primary-strong: #7db2e6;
  --primary-soft: #4a86c4;
  --steel: #4f7ba8;

  --accent: #f0a24c;
  --accent-ink: #f0a24c;

  --bg: #0b1219;
  --surface: #111b25;
  --surface-alt: #0e1720;
  --surface-sunk: #16212d;
  --text: #e9eff5;
  --text-muted: #a3b3c2;
  --border: #223040;
  --border-strong: #31445a;

  --btn-bg: #2f6299;
  --btn-bg-hover: #37729f;
  --btn-fg: #ffffff;

  --panel-1: #081420;
  --panel-2: #10293f;
  --footer-bg: #070f18;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);
  --shadow-md: 0 4px 14px -4px rgba(0, 0, 0, .5), 0 1px 3px rgba(0, 0, 0, .4);
  --shadow-lg: 0 24px 48px -20px rgba(0, 0, 0, .7), 0 2px 8px rgba(0, 0, 0, .4);
}

/* ===== Reset & base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
svg { display: block; }
a { color: inherit; text-decoration: none; }
::selection { background: color-mix(in srgb, var(--primary) 22%, transparent); }

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

h1, h2, h3 {
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: -0.012em;
  text-wrap: balance;
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.2;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: background .18s ease, border-color .18s ease, color .18s ease,
              box-shadow .18s ease, transform .18s ease;
}
.btn-primary {
  background: var(--btn-bg);
  color: var(--btn-fg);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: var(--btn-bg-hover); box-shadow: var(--shadow-md); }
.btn-primary:active { transform: translateY(1px); box-shadow: none; }

.btn-outline {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: color-mix(in srgb, var(--primary) 5%, transparent);
}
.btn-block { width: 100%; }
.btn-nav { padding: 9px 18px; font-size: 0.875rem; }
.btn:disabled { opacity: .6; cursor: not-allowed; }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow .25s ease;
}
.site-header.is-scrolled { box-shadow: 0 8px 24px -18px rgba(15, 26, 38, .5); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 24px;
}

.logo { display: flex; align-items: center; gap: 11px; flex-shrink: 0; }
.logo-mark { width: 30px; height: 30px; color: var(--primary); flex-shrink: 0; }
.logo-mark svg { width: 100%; height: 100%; }
.logo-text {
  font-size: 1.08rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text);
}

.main-nav { display: flex; gap: 30px; flex: 1; justify-content: center; }
.main-nav a {
  position: relative;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 6px 0;
  transition: color .18s ease;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .22s ease;
}
.main-nav a:hover { color: var(--text); }
.main-nav a:hover::after { transform: scaleX(1); }
.main-nav a.is-active { color: var(--text); font-weight: 600; }
.main-nav a.is-active::after { transform: scaleX(1); background: var(--primary); }

.header-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.icon-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-family: inherit;
  font-weight: 700;
  font-size: 0.78rem;
  transition: border-color .18s ease, color .18s ease, background .18s ease;
}
.icon-btn:hover {
  border-color: var(--border-strong);
  color: var(--text);
  background: var(--surface-alt);
}
.theme-btn .icon-sun { display: none; }
[data-theme="dark"] .theme-btn .icon-sun { display: block; }
[data-theme="dark"] .theme-btn .icon-moon { display: none; }

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer;
}
.hamburger span {
  display: block;
  width: 17px;
  height: 2px;
  background: var(--text);
  margin: 0 auto;
  border-radius: 2px;
  transition: transform .25s ease, opacity .2s ease;
}
.hamburger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ===== Hero ===== */
.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--panel-1);
  color: #fff;
  padding: clamp(64px, 8vw, 104px) 0 clamp(68px, 8vw, 108px);
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(1000px 480px at 82% -18%, color-mix(in srgb, var(--accent) 24%, transparent), transparent 62%),
    radial-gradient(880px 560px at 4% 112%, color-mix(in srgb, var(--steel) 42%, transparent), transparent 60%),
    linear-gradient(158deg, var(--panel-2) 0%, var(--panel-1) 58%);
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 78% 72% at 50% 42%, #000 35%, transparent 78%);
  mask-image: radial-gradient(ellipse 78% 72% at 50% 42%, #000 35%, transparent 78%);
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  gap: 52px;
  align-items: center;
}
.hero-copy { max-width: 620px; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: #f4d9b8;
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 34%, transparent);
  padding: 6px 15px 6px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: .01em;
  margin-bottom: 24px;
}
.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.hero h1 {
  font-size: clamp(2.1rem, 4.4vw, 3.35rem);
  line-height: 1.24;
  letter-spacing: -0.022em;
  color: #fff;
  margin-bottom: 22px;
}
.hero h1 .accent { color: #9dc4ea; }
html[lang="en"] .hero h1 {
  font-size: clamp(1.95rem, 3.4vw, 2.7rem);
  line-height: 1.2;
}
html[lang="en"] .hero-desc { font-size: 1rem; }
.hero-desc {
  color: #cbd9e6;
  font-size: 1.03rem;
  line-height: 1.85;
  max-width: 560px;
  margin-bottom: 34px;
}
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero .btn-primary {
  background: #fff;
  color: #12293f;
  box-shadow: 0 10px 26px -12px rgba(0, 0, 0, .6);
}
.hero .btn-primary:hover { background: #eaf1f8; }
.hero .btn-outline {
  border-color: rgba(255, 255, 255, .32);
  color: #fff;
}
.hero .btn-outline:hover {
  border-color: rgba(255, 255, 255, .7);
  background: rgba(255, 255, 255, .08);
  color: #fff;
}

.hero-figure { display: flex; justify-content: center; }
.hero-blueprint { width: 100%; height: auto; color: rgba(255, 255, 255, .42); }

/* ===== Section shell ===== */
.section { padding: clamp(68px, 8.5vw, 108px) 0; }
.section-alt { background: var(--surface-alt); }
.section-head { max-width: 660px; margin: 0 0 clamp(38px, 5vw, 56px); }

.section-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--accent-ink);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.section-eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--accent);
  flex-shrink: 0;
}
.section-head h2, .about-content h2, .contact-info h2 {
  font-size: clamp(1.6rem, 3vw, 2.15rem);
  line-height: 1.34;
  color: var(--text);
}

/* ===== About ===== */
.about-grid {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: clamp(40px, 5vw, 68px);
  align-items: center;
}
.about-media {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow-sm);
}
.about-media::before,
.about-media::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border: 2px solid var(--accent);
  opacity: .8;
}
.about-media::before { top: 10px; left: 10px; border-right: 0; border-bottom: 0; }
.about-media::after { bottom: 10px; right: 10px; border-left: 0; border-top: 0; }
.about-illustration { width: 100%; height: auto; }

.about-content h2 { margin-bottom: 18px; }
.about-content p:not(.section-eyebrow) { color: var(--text-muted); margin-bottom: 26px; }

.check-list { list-style: none; display: flex; flex-direction: column; gap: 14px; }
.check-list li {
  position: relative;
  padding-left: 34px;
  font-size: 0.95rem;
  color: var(--text);
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0; top: .34em;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--primary) 12%, transparent);
}

.check-list li::after {
  content: "";
  position: absolute;
  left: 5px; top: calc(.34em + 5px);
  width: 12px; height: 12px;
  background: var(--primary);
  -webkit-mask: var(--check) center / contain no-repeat;
  mask: var(--check) center / contain no-repeat;
}

/* ===== Services ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px 28px;
  transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.card:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
}
.card-icon {
  width: 46px;
  height: 46px;
  border-radius: 9px;
  background: color-mix(in srgb, var(--primary) 9%, transparent);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: background .2s ease, color .2s ease;
}
.card:hover .card-icon { background: var(--primary); color: var(--bg); }
.card h3 { font-size: 1.05rem; margin-bottom: 9px; }
.card p { color: var(--text-muted); font-size: 0.92rem; line-height: 1.72; }

/* ===== Fleet ===== */
.fleet-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.fleet-item {
  position: relative;
  padding: 2px 0 2px 22px;
  border-left: 2px solid var(--border);
}
.fleet-item::before {
  content: "";
  position: absolute;
  left: -2px; top: 0;
  width: 2px; height: 34px;
  background: var(--accent);
}
.fleet-item h3 { font-size: 1.02rem; margin-bottom: 9px; }
.fleet-item p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.72; }

/* ===== Gallery ===== */
.section-dark { background: var(--panel-1); }
.section-dark .section-eyebrow { color: #f4d9b8; }
[data-theme="dark"] .section-dark .section-eyebrow { color: #f0a24c; }
.section-dark .section-head h2 { color: #e9eff5; }

.shot-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.shot {
  position: relative;
  display: block;
  padding: 0;
  border: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--panel-2);
  aspect-ratio: 3 / 4;
  cursor: pointer;
}
.shot img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s ease;
}
.shot:hover img, .shot:focus-visible img { transform: scale(1.045); }
.shot:focus-visible { outline: 2px solid #fff; outline-offset: 3px; }
.shot::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .09);
  pointer-events: none;
}

/* ===== Lightbox ===== */
.lightbox {
  margin: auto;
  max-width: min(92vw, 780px);
  max-height: 92vh;
  padding: 0;
  border: 0;
  background: transparent;
  overflow: visible;
}
.lightbox::backdrop { background: rgba(6, 14, 22, .9); }
.lightbox-img {
  display: block;
  width: auto;
  max-width: 100%;
  max-height: 76vh;
  margin: 0 auto;
  border-radius: var(--radius-sm);
}
.lightbox-caption {
  max-width: 56ch;
  margin: 16px auto 0;
  color: #cbd9e6;
  font-size: .9rem;
  line-height: 1.7;
  text-align: center;
}
.lightbox-btn {
  position: fixed;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, .12);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background .18s ease;
}
.lightbox-btn:hover { background: rgba(255, 255, 255, .26); }
.lightbox-btn:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }
.lightbox-close { top: 20px; right: 20px; }
.lightbox-prev { left: 20px; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 20px; top: 50%; transform: translateY(-50%); }

/* ===== Coverage ===== */
.coverage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.coverage-item {
  background: var(--surface);
  padding: 26px 24px;
}
.coverage-tag {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-ink);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.coverage-tag::before {
  content: "";
  width: 14px; height: 2px;
  background: var(--accent);
  flex-shrink: 0;
}
.coverage-item p {
  color: var(--text);
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 1.6;
}

/* ===== Why us ===== */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.why-item {
  position: relative;
  padding-top: 22px;
  border-top: 2px solid var(--border);
}
.why-item::before {
  content: "";
  position: absolute;
  top: -2px; left: 0;
  width: 46px; height: 2px;
  background: var(--accent);
}
.why-num {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: .14em;
  font-variant-numeric: tabular-nums;
  color: var(--accent-ink);
  margin-bottom: 10px;
}
.why-item h3 { font-size: 1.02rem; margin-bottom: 9px; }
.why-item p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.72; }

/* ===== Contact ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: clamp(40px, 5vw, 68px);
  align-items: start;
}
.contact-lead { color: var(--text-muted); margin: 16px 0 30px; }

.contact-list { list-style: none; display: flex; flex-direction: column; gap: 4px; }
.contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.94rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.contact-list li:last-child { border-bottom: 0; }
.contact-list li > svg {
  box-sizing: border-box;
  width: 34px;
  height: 34px;
  padding: 7px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--primary) 9%, transparent);
  color: var(--primary);
}
.contact-body { min-width: 0; padding-top: 3px; color: var(--text); }
.contact-key { color: var(--text-muted); font-weight: 400; }
.contact-val { color: var(--text); font-weight: 600; }
.contact-list li a {
  color: var(--primary);
  font-weight: 600;
  text-underline-offset: 3px;
  transition: color .18s ease;
}
.contact-list li a:hover { text-decoration: underline; }

.contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: clamp(24px, 3vw, 34px);
  box-shadow: var(--shadow-lg);
  container-type: inline-size;
}
.form-row { margin-bottom: 16px; }

.form-pair { display: grid; gap: 0 16px; }
@container (min-width: 400px) {
  .form-pair { grid-template-columns: 1fr 1fr; }
}

.form-row > label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: .01em;
  margin-bottom: 7px;
  color: var(--text);
}

.form-row:has(:required) > label::after {
  content: "*";
  margin-left: 4px;
  color: var(--accent-ink);
  font-weight: 700;
}
.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 11px 13px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
  font-size: 0.94rem;
  line-height: 1.5;
  transition: border-color .18s ease, box-shadow .18s ease;
}
.form-row input::placeholder,
.form-row textarea::placeholder { color: color-mix(in srgb, var(--text-muted) 78%, transparent); }
.form-row input:hover,
.form-row select:hover,
.form-row textarea:hover { border-color: var(--text-muted); }
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--primary-soft);
  box-shadow: var(--ring);
}
.form-row textarea { resize: vertical; min-height: 104px; }

.form-row select {
  -webkit-appearance: none;
  appearance: none;
  padding-right: 38px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235a6b7d' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 17px;
}
[data-theme="dark"] .form-row select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23a3b3c2' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
}

.contact-form .btn-block { margin-top: 6px; }
.form-note {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.82rem;
  line-height: 1.6;
  margin-top: 14px;
  min-height: 1em;
}
.form-note.success { color: #1c7a45; font-weight: 600; }
.form-note.error { color: #c0392b; font-weight: 600; }
[data-theme="dark"] .form-note.success { color: #58c98a; }
[data-theme="dark"] .form-note.error { color: #f08579; }

/* ===== Footer ===== */
.site-footer {
  background: var(--footer-bg);
  color: #c3d2e0;
  padding: 44px 0;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-mark { width: 30px; height: 30px; color: #7fa8cf; flex-shrink: 0; }
.footer-mark svg { width: 100%; height: 100%; }
.footer-brand .logo-text { color: #fff; font-weight: 800; font-size: 1.02rem; display: block; }
.footer-brand p { font-size: 0.8rem; color: #93a9bd; margin-top: 2px; line-height: 1.5; }
.footer-links { display: flex; gap: 26px; flex-wrap: wrap; }
.footer-links a {
  font-size: 0.875rem;
  color: #c3d2e0;
  transition: color .18s ease;
}
.footer-links a:hover { color: #fff; text-decoration: underline; text-underline-offset: 4px; }
.site-footer :focus-visible { outline-color: #9dc4ea; }

/* ===== Back to top ===== */
.back-to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: var(--primary-strong);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity .22s ease, transform .22s ease, visibility .22s, background .18s ease;
  z-index: 90;
}
[data-theme="dark"] .back-to-top { background: var(--primary-soft); }
.back-to-top:hover { background: var(--primary); }
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }

/* ===== Responsive ===== */
@media (max-width: 1040px) {
  .hero-inner { grid-template-columns: 1fr; gap: 44px; }
  .hero-copy { max-width: 680px; }
  .hero-figure { max-width: 620px; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .fleet-grid, .why-grid { grid-template-columns: repeat(2, 1fr); gap: 30px 28px; }
  .shot-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 900px) {
  .main-nav { display: none; }
  .hamburger { display: flex; }
  .btn-nav { display: none; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .coverage-grid { grid-template-columns: repeat(2, 1fr); }

  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--header-h);
    left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 8px 24px 18px;
    gap: 0;
    box-shadow: var(--shadow-md);
  }
  .main-nav.open a { padding: 13px 0; border-bottom: 1px solid var(--border); }
  .main-nav.open a:last-child { border-bottom: none; }
  .main-nav.open a::after { display: none; }
}

@media (max-width: 620px) {
  .container { padding: 0 20px; }
  .card-grid, .fleet-grid, .why-grid, .coverage-grid { grid-template-columns: 1fr; }
  .shot-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .lightbox-btn { width: 40px; height: 40px; }
  .lightbox-prev { left: 8px; }
  .lightbox-next { right: 8px; }
  .coverage-grid { border-radius: var(--radius); }
  .hero-cta .btn { flex: 1 1 100%; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .about-media { padding: 18px; }
  .contact-list li { flex-wrap: wrap; }
}

/* ===== Motion & print ===== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

@media print {
  .site-header, .back-to-top, .hero-figure, .hero-bg { display: none !important; }
  .hero { background: none; color: #000; }
  .hero h1, .hero-desc { color: #000; }
  .section-dark { background: none; }
  .section-dark .section-head h2 { color: #000; }
  .section-dark .section-eyebrow { color: var(--accent-ink); }
  .shot-grid { grid-template-columns: repeat(4, 1fr); }
  .section { padding: 24px 0; }
  .card, .coverage-item, .contact-form { break-inside: avoid; }
}