/* =========================================================
   WALKADON LOGISTICS LLC — Core Stylesheet
   Premium trucking / freight theme
   ========================================================= */

/* ---------- Design tokens ---------- */
:root {
  --navy-950: #050b1a;
  --navy-900: #0a1428;
  --navy-800: #111d3a;
  --navy-700: #1a2748;
  --steel-500: #64748b;
  --steel-300: #cbd5e1;
  --bg: #f6f8fc;
  --surface: #ffffff;
  --ink: #0b1220;
  --ink-soft: #33405a;
  --muted: #6b7590;
  --gold-500: #f5b301;
  --gold-400: #ffc93c;
  --accent-500: #ff6a1a;
  --accent-600: #e85a0c;
  --success: #16a34a;
  --danger: #dc2626;

  --grad-hero: linear-gradient(120deg, rgba(5,11,26,.85) 0%, rgba(10,20,40,.65) 55%, rgba(255,106,26,.35) 100%);
  --grad-cta:  linear-gradient(120deg, var(--navy-900) 0%, #16223f 55%, var(--accent-600) 100%);
  --grad-gold: linear-gradient(135deg, var(--gold-400), var(--accent-500));
  --grad-dark: linear-gradient(180deg, var(--navy-900), var(--navy-950));

  --shadow-sm: 0 2px 8px rgba(10, 20, 40, .06);
  --shadow-md: 0 10px 30px rgba(10, 20, 40, .10);
  --shadow-lg: 0 24px 60px rgba(10, 20, 40, .18);
  --shadow-glow: 0 12px 40px rgba(255, 106, 26, .35);

  --radius-sm: 10px;
  --radius:    16px;
  --radius-lg: 22px;
  --radius-xl: 28px;

  --container: 1200px;
  --nav-h: 78px;

  --font-display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

/* ---------- Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--ink);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 .5em;
  font-weight: 700;
}
h1 { font-size: clamp(2.4rem, 5vw, 4.2rem); }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.8rem); }
h3 { font-size: clamp(1.15rem, 1.6vw, 1.35rem); }
p  { margin: 0 0 1em; color: var(--ink-soft); }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }

.section {
  padding: clamp(64px, 9vw, 120px) 0;
  position: relative;
}
.section--dark {
  background: var(--grad-dark);
  color: #eaf0ff;
}
.section--dark h2, .section--dark h3 { color: #fff; }
.section--dark p { color: #b8c2d8; }

.section-head { max-width: 760px; margin: 0 auto clamp(40px, 5vw, 64px); text-align: center; }
.section-head .eyebrow { color: var(--accent-500); }

.eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .22em;
  color: var(--accent-500);
  margin-bottom: 14px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .95rem;
  letter-spacing: .01em;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease;
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }
.btn-primary {
  background: var(--grad-gold);
  color: #1b1300;
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 48px rgba(255,106,26,.5); }
.btn-ghost {
  color: #fff;
  border: 1.5px solid rgba(255,255,255,.35);
  backdrop-filter: blur(10px);
  background: rgba(255,255,255,.06);
}
.btn-ghost:hover { background: rgba(255,255,255,.14); transform: translateY(-2px); }
.btn-dark {
  background: var(--navy-900);
  color: #fff;
}
.btn-dark:hover { background: var(--navy-800); transform: translateY(-2px); }
.btn-outline {
  color: var(--navy-900);
  border: 1.5px solid var(--navy-900);
}
.btn-outline:hover { background: var(--navy-900); color: #fff; }

/* ---------- Navigation ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  transition: background .3s ease, box-shadow .3s ease;
}
.nav__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 100%;
  transition: backdrop-filter .3s ease, -webkit-backdrop-filter .3s ease;
}
.nav.is-scrolled {
  background: rgba(255,255,255,.85);
  box-shadow: var(--shadow-sm);
}
.nav.is-scrolled .nav__inner {
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
}
.nav.is-scrolled .nav__link,
.nav.is-scrolled .logo__text { color: var(--ink); }
.nav.is-scrolled .logo__mark { background: var(--grad-gold); }

.logo { display: flex; align-items: center; gap: 12px; }
.logo__mark {
  width: 42px; height: 42px; border-radius: 12px;
  background: var(--grad-gold);
  display: grid; place-items: center;
  box-shadow: var(--shadow-glow);
  color: #1b1300;
}
.logo__text {
  font-family: var(--font-display);
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.01em;
  line-height: 1;
}
.logo__text small {
  display: block;
  font-size: .68rem;
  font-weight: 500;
  letter-spacing: .28em;
  opacity: .75;
  margin-top: 4px;
}

.nav__menu {
  display: flex; align-items: center; gap: 34px;
  list-style: none; margin: 0; padding: 0;
}
.nav__link {
  color: #fff;
  font-weight: 500;
  font-size: .96rem;
  position: relative;
  padding: 6px 0;
}
.nav__link::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 100%; height: 2px;
  background: var(--grad-gold);
  transform: scaleX(0); transform-origin: right;
  transition: transform .35s ease;
}
.nav__link:hover::after, .nav__link.is-active::after { transform: scaleX(1); transform-origin: left; }

.nav__cta { display: flex; align-items: center; gap: 12px; }

.nav__toggle {
  display: none;
  width: 44px; height: 44px;
  border-radius: 12px;
  align-items: center; justify-content: center;
  color: #fff;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.18);
}
.nav.is-scrolled .nav__toggle {
  color: var(--ink);
  background: rgba(10,20,40,.05);
  border-color: rgba(10,20,40,.12);
}

/* Mobile menu */
.nav__drawer {
  position: fixed; inset: 0;
  background: rgba(5,11,26,.94);
  backdrop-filter: blur(20px);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 28px;
  transform: translateY(-100%);
  transition: transform .5s cubic-bezier(.7,.1,.25,1);
  z-index: 99;
}
.nav__drawer.is-open { transform: translateY(0); }
.nav__drawer a {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: #fff;
  font-weight: 600;
}
.nav__drawer .btn { margin-top: 12px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center;
  color: #fff;
  overflow: hidden;
  padding-top: calc(var(--nav-h) + 40px);
}
.hero__bg {
  position: absolute; inset: 0;
  background:
    var(--grad-hero),
    url("https://images.unsplash.com/photo-1601584115197-04ecc0da31d7?auto=format&fit=crop&w=1920&q=80") center/cover no-repeat;
  z-index: -2;
}
.hero__grid {
  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: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 75%);
  z-index: -1;
  opacity: .5;
}
.hero__content { max-width: 780px; }
.hero .eyebrow { color: var(--gold-400); }
.hero h1 { color: #fff; }
.hero h1 span {
  background: var(--grad-gold);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero p.lead {
  font-size: clamp(1.05rem, 1.35vw, 1.2rem);
  color: rgba(255,255,255,.82);
  max-width: 620px;
  margin-bottom: 36px;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero__meta {
  margin-top: 60px;
  display: grid; grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 22px;
  max-width: 720px;
}
.hero__meta .card {
  padding: 18px 22px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.15);
  backdrop-filter: blur(12px);
}
.hero__meta strong {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--gold-400);
  display: block;
  margin-bottom: 4px;
}
.hero__meta span { font-size: .85rem; color: rgba(255,255,255,.75); }

.hero__scroll {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%);
  color: rgba(255,255,255,.6);
  font-size: .75rem; letter-spacing: .3em; text-transform: uppercase;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
}
.hero__scroll .line {
  width: 1px; height: 46px;
  background: linear-gradient(to bottom, rgba(255,255,255,.6), transparent);
  animation: scrollLine 2.2s ease-in-out infinite;
}

/* ---------- Cards / Services ---------- */
.grid { display: grid; gap: 26px; }
.grid-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0,1fr)); }

.card-glass {
  background: rgba(255,255,255,.7);
  border: 1px solid rgba(255,255,255,.5);
  backdrop-filter: blur(14px);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-md);
  transition: transform .4s ease, box-shadow .4s ease;
  position: relative;
  overflow: hidden;
}
.card-glass::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--grad-gold);
  transform: scaleX(0); transform-origin: left;
  transition: transform .5s ease;
}
.card-glass:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.card-glass:hover::before { transform: scaleX(1); }

.section--dark .card-glass {
  background: rgba(255,255,255,.05);
  border-color: rgba(255,255,255,.12);
  color: #eaf0ff;
}
.section--dark .card-glass h3 { color: #fff; }
.section--dark .card-glass p { color: rgba(255,255,255,.75); }

.service__icon {
  width: 58px; height: 58px; border-radius: 16px;
  display: grid; place-items: center;
  background: var(--grad-gold);
  color: #1b1300;
  margin-bottom: 22px;
  box-shadow: 0 12px 24px rgba(255,106,26,.25);
}
.service__icon svg { width: 28px; height: 28px; }
.service__link {
  color: var(--accent-500);
  font-weight: 600;
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 8px;
}
.service__link:hover { gap: 12px; }

/* ---------- Why Us ---------- */
.why {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 64px;
  align-items: center;
}
.why__media {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.why__media img { width: 100%; height: 540px; object-fit: cover; transition: transform 1s ease; }
.why__media:hover img { transform: scale(1.06); }
.why__media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(5,11,26,.5), transparent 60%);
}
.why__badge {
  position: absolute; left: 24px; bottom: 24px;
  padding: 18px 22px;
  background: rgba(255,255,255,.9);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-md);
  display: flex; align-items: center; gap: 14px;
}
.why__badge strong { font-family: var(--font-display); font-size: 1.4rem; color: var(--navy-900); }
.why__badge span { display: block; font-size: .85rem; color: var(--muted); }

.feature-list { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 18px; }
.feature-list li { display: flex; gap: 14px; align-items: flex-start; }
.feature-list .check {
  flex: none;
  width: 34px; height: 34px; border-radius: 10px;
  display: grid; place-items: center;
  background: rgba(255,106,26,.12);
  color: var(--accent-500);
}
.feature-list h4 { margin: 0 0 4px; font-size: 1.05rem; }
.feature-list p { margin: 0; }

/* ---------- Stats ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  padding: 56px 44px;
  border-radius: var(--radius-xl);
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  backdrop-filter: blur(12px);
}
.stat__num {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  font-weight: 700;
  color: var(--gold-400);
  line-height: 1;
  letter-spacing: -0.03em;
}
.stat__label { color: rgba(255,255,255,.75); margin-top: 8px; }

/* ---------- Industries ---------- */
.industry-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/5;
  box-shadow: var(--shadow-md);
  isolation: isolate;
}
.industry-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s ease; }
.industry-card:hover img { transform: scale(1.1); }
.industry-card::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(5,11,26,.9) 100%);
}
.industry-card__body {
  position: absolute; inset: auto 0 0 0; z-index: 1;
  padding: 26px;
  color: #fff;
}
.industry-card__body h3 { color: #fff; margin: 0 0 6px; }
.industry-card__body p { color: rgba(255,255,255,.8); margin: 0; font-size: .92rem; }

/* ---------- Process ---------- */
.process { position: relative; }
.process__steps {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 30px; position: relative;
}
.step {
  position: relative;
  text-align: center;
  padding: 32px 22px;
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(10,20,40,.06);
  box-shadow: var(--shadow-sm);
  transition: transform .35s ease, box-shadow .35s ease;
}
.step:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.step__num {
  width: 64px; height: 64px; border-radius: 50%;
  margin: 0 auto 20px;
  display: grid; place-items: center;
  background: var(--grad-gold);
  font-family: var(--font-display);
  font-weight: 700;
  color: #1b1300;
  font-size: 1.4rem;
  box-shadow: var(--shadow-glow);
}
.step h4 { margin: 0 0 6px; font-size: 1.1rem; }
.step p { margin: 0; font-size: .93rem; }

/* ---------- Testimonials ---------- */
.testimonial {
  padding: 34px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-md);
  display: flex; flex-direction: column; gap: 16px;
  position: relative;
}
.testimonial::before {
  content: "\201C";
  position: absolute; top: 8px; right: 24px;
  font-family: Georgia, serif;
  font-size: 6rem;
  line-height: 1;
  color: rgba(255,106,26,.15);
}
.testimonial p { font-size: 1.02rem; color: var(--ink); font-style: italic; margin: 0; }
.testimonial__who { display: flex; align-items: center; gap: 14px; margin-top: 6px; }
.avatar {
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--grad-gold);
  display: grid; place-items: center;
  color: #1b1300; font-family: var(--font-display); font-weight: 700;
}
.testimonial__who strong { display: block; font-family: var(--font-display); }
.testimonial__who span { font-size: .85rem; color: var(--muted); }
.stars { color: var(--gold-500); letter-spacing: 2px; }

/* ---------- FAQ ---------- */
.faq { max-width: 820px; margin: 0 auto; display: grid; gap: 14px; }
.faq__item {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid rgba(10,20,40,.06);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.faq__q {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 26px;
  text-align: left;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--ink);
}
.faq__q .plus {
  width: 34px; height: 34px; border-radius: 50%;
  display: grid; place-items: center;
  background: rgba(255,106,26,.1);
  color: var(--accent-500);
  transition: transform .35s ease, background .3s ease;
  font-size: 1.2rem;
}
.faq__item.is-open .faq__q .plus { transform: rotate(45deg); background: var(--accent-500); color: #fff; }
.faq__a {
  max-height: 0; overflow: hidden;
  transition: max-height .5s ease;
}
.faq__a-inner { padding: 0 26px 24px; color: var(--ink-soft); }

/* ---------- CTA banner ---------- */
.cta-banner {
  border-radius: var(--radius-xl);
  padding: clamp(40px, 6vw, 72px);
  background: var(--grad-cta);
  color: #fff;
  display: grid; grid-template-columns: 1.6fr 1fr; gap: 40px;
  align-items: center;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: ""; position: absolute; inset: 0;
  background: url("https://images.unsplash.com/photo-1519003722824-194d4455a60c?auto=format&fit=crop&w=1600&q=80") center/cover;
  opacity: .12;
  mix-blend-mode: screen;
}
.cta-banner > * { position: relative; }
.cta-banner h2 { color: #fff; margin: 0 0 12px; }
.cta-banner p { color: rgba(255,255,255,.82); margin: 0; }
.cta-banner__actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: flex-end; }

/* ---------- Contact / Info blocks ---------- */
.info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.info {
  padding: 28px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(10,20,40,.05);
}
.info__icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: rgba(255,106,26,.12);
  color: var(--accent-500);
  display: grid; place-items: center; margin-bottom: 16px;
}
.info h4 { margin: 0 0 4px; }
.info p { margin: 0; color: var(--ink-soft); }
.info a { color: var(--accent-500); font-weight: 600; }

/* ---------- Forms ---------- */
.form {
  background: var(--surface);
  padding: clamp(28px, 4vw, 48px);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(10,20,40,.05);
}
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 18px; }
.form__group { display: flex; flex-direction: column; gap: 6px; }
.form__group.full { grid-column: 1 / -1; }
.form label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .85rem;
  color: var(--ink);
}
.form input, .form select, .form textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1.5px solid rgba(10,20,40,.1);
  background: #f9fafc;
  font: inherit;
  color: var(--ink);
  transition: border-color .25s ease, box-shadow .25s ease, background .25s ease;
}
.form input:focus, .form select:focus, .form textarea:focus {
  outline: none;
  border-color: var(--accent-500);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(255,106,26,.12);
}
.form textarea { min-height: 130px; resize: vertical; }
.form .error {
  color: var(--danger);
  font-size: .82rem;
  min-height: 1em;
}
.form input.invalid, .form select.invalid, .form textarea.invalid { border-color: var(--danger); background: #fff5f5; }
.form__submit { margin-top: 8px; }
.form__success {
  display: none;
  padding: 16px 20px;
  background: rgba(22,163,74,.1);
  color: var(--success);
  border-radius: 12px;
  font-weight: 600;
  margin-bottom: 20px;
}
.form__success.is-visible { display: block; }

/* ---------- Footer ---------- */
.footer {
  background: var(--navy-950);
  color: #cbd5e1;
  padding: 80px 0 30px;
  margin-top: 0;
}
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 50px; }
.footer h5 {
  font-family: var(--font-display);
  color: #fff;
  font-size: 1rem;
  margin: 0 0 18px;
  letter-spacing: .02em;
}
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer a { color: #a5b0c8; transition: color .2s ease; font-size: .93rem; }
.footer a:hover { color: var(--gold-400); }
.footer__brand p { color: #a5b0c8; max-width: 320px; margin-top: 16px; }
.footer__social { display: flex; gap: 10px; margin-top: 20px; }
.footer__social a {
  width: 40px; height: 40px; border-radius: 50%;
  background: rgba(255,255,255,.06);
  display: grid; place-items: center; color: #cbd5e1;
  transition: background .25s ease, color .25s ease, transform .25s ease;
}
.footer__social a:hover { background: var(--grad-gold); color: #1b1300; transform: translateY(-3px); }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 24px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  color: #7a8598; font-size: .88rem;
}

/* ---------- Floating buttons ---------- */
.floating {
  position: fixed;
  right: 22px; z-index: 90;
  display: flex; flex-direction: column; gap: 12px;
}
.floating--right { bottom: 22px; }
.fab {
  width: 56px; height: 56px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--grad-gold);
  color: #1b1300;
  box-shadow: var(--shadow-glow);
  transition: transform .3s ease, box-shadow .3s ease;
  position: relative;
}
.fab:hover { transform: scale(1.08) translateY(-2px); }
.fab--call { background: linear-gradient(135deg, #16a34a, #0e7c39); color: #fff; box-shadow: 0 12px 30px rgba(22,163,74,.35); }
.fab--quote { background: var(--grad-gold); color: #1b1300; }

.back-top {
  position: fixed; bottom: 22px; left: 22px;
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--navy-900);
  color: #fff;
  display: grid; place-items: center;
  box-shadow: var(--shadow-md);
  opacity: 0; visibility: hidden;
  transform: translateY(20px);
  transition: opacity .3s ease, transform .3s ease, visibility .3s;
  z-index: 90;
}
.back-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { background: var(--accent-500); }

/* ---------- Page hero (interior pages) ---------- */
.page-hero {
  position: relative;
  padding: calc(var(--nav-h) + 90px) 0 90px;
  color: #fff;
  overflow: hidden;
  isolation: isolate;
}
.page-hero__bg {
  position: absolute; inset: 0; z-index: -2;
  background: linear-gradient(120deg, rgba(5,11,26,.85), rgba(10,20,40,.7)),
              url("https://images.unsplash.com/photo-1586528116311-ad8dd3c8310d?auto=format&fit=crop&w=1920&q=80") center/cover;
}
.page-hero h1 { color: #fff; margin-bottom: 12px; }
.page-hero p { color: rgba(255,255,255,.82); max-width: 640px; }
.breadcrumbs { display: flex; gap: 8px; color: rgba(255,255,255,.6); font-size: .88rem; margin-bottom: 18px; }
.breadcrumbs a { color: var(--gold-400); }

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }