/* ============================================================
   Sagittarius Logistics — Marketing site
   Shared styles applied across all five pages.
   ============================================================ */

@import url('colors_and_type.css');

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--sl-paper);
  color: var(--fg-1);
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

::selection { background: var(--sl-gold); color: var(--sl-midnight); }

/* ----- Layout containers ----- */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 48px;
}
@media (max-width: 768px) {
  .container { padding: 0 24px; }
}

/* =========================================================
   HEADER
   ========================================================= */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(13, 28, 52, 0.92);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: background var(--dur-base) var(--ease-out);
}
.site-header.solid {
  background: var(--sl-midnight);
}
.site-header__inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 24px 48px;
  display: flex;
  align-items: center;
  gap: 56px;
  transition: padding var(--dur-base) var(--ease-out);
}
.site-header__logo img {
  height: 56px;
  width: auto;
  transition: height var(--dur-base) var(--ease-out);
}
/* Condense on scroll so the mark is bold up top, compact while reading */
.site-header.solid .site-header__inner { padding: 14px 48px; }
.site-header.solid .site-header__logo img { height: 42px; }
.site-header__nav {
  display: flex;
  gap: 36px;
  flex: 1;
  align-items: center;
}
.site-header__nav a {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.65);
  padding: 6px 0;
  position: relative;
  transition: color var(--dur-fast) var(--ease-out);
}
.site-header__nav a:hover { color: #fff; }
.site-header__nav a.active {
  color: #fff;
}
.site-header__nav a.active::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--sl-ember);
}
.site-header__nav a:focus-visible {
  outline: 2px solid var(--sl-gold);
  outline-offset: 4px;
}
.site-header__tag {
  font-family: var(--font-display);
  font-weight: 300;
  font-style: italic;
  font-size: 15px;
  color: rgba(255,255,255,0.55);
  white-space: nowrap;
}
.site-header__burger {
  display: none;
  width: 32px; height: 32px;
  background: transparent;
  border: 0;
  padding: 0;
  position: relative;
}
.site-header__burger span,
.site-header__burger span::before,
.site-header__burger span::after {
  content: '';
  position: absolute;
  left: 4px; right: 4px;
  height: 1.5px;
  background: #fff;
  transition: transform var(--dur-base) var(--ease-out);
}
.site-header__burger span { top: 50%; transform: translateY(-50%); }
.site-header__burger span::before { top: -7px; left: 0; right: 0; }
.site-header__burger span::after { top: 7px; left: 0; right: 0; }
.site-header__burger[aria-expanded="true"] span { background: transparent; }
.site-header__burger[aria-expanded="true"] span::before { transform: translateY(7px) rotate(45deg); }
.site-header__burger[aria-expanded="true"] span::after { transform: translateY(-7px) rotate(-45deg); }

/* mobile menu */
.site-header__mobile {
  display: none;
  position: fixed;
  top: 72px; left: 0; right: 0; bottom: 0;
  background: var(--sl-midnight);
  padding: 48px 24px;
  z-index: 99;
}
.site-header__mobile.open { display: block; }
.site-header__mobile a {
  display: block;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 44px;
  color: #fff;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  letter-spacing: -0.015em;
}
.site-header__mobile a em { color: var(--sl-gold); font-style: italic; }

@media (max-width: 900px) {
  .site-header__inner { padding: 16px 24px; gap: 16px; justify-content: space-between; }
  .site-header__logo img { height: 44px; }
  .site-header.solid .site-header__inner { padding: 12px 24px; }
  .site-header.solid .site-header__logo img { height: 38px; }
  .site-header__nav, .site-header__tag { display: none; }
  .site-header__burger { display: block; }
}

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer {
  background: var(--sl-midnight-900);
  color: rgba(255,255,255,0.7);
  padding: 96px 0 32px;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.site-footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 64px;
  padding-bottom: 64px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.site-footer__brand img { height: 26px; margin-bottom: 28px; }
.site-footer__tagline {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 38px;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: #fff;
  margin: 0;
  max-width: 380px;
}
.site-footer__tagline em { font-style: italic; color: var(--sl-gold); }
.site-footer__col h4 {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--sl-ember);
  margin: 0 0 22px;
}
.site-footer__col ul {
  list-style: none;
  padding: 0; margin: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.site-footer__col a {
  font-size: 15px;
  color: rgba(255,255,255,0.75);
  font-weight: 300;
  transition: color var(--dur-fast) var(--ease-out);
}
.site-footer__col a:hover { color: var(--sl-gold); }
.site-footer__bottom {
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.site-footer__fine {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: rgba(255,255,255,0.45);
}
.site-footer__linkedin {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: rgba(255,255,255,0.7);
  transition: color var(--dur-fast) var(--ease-out);
}
.site-footer__linkedin:hover { color: var(--sl-gold); }
.site-footer__linkedin svg { width: 16px; height: 16px; }

@media (max-width: 768px) {
  .site-footer { padding: 64px 0 32px; }
  .site-footer__inner { grid-template-columns: 1fr; gap: 48px; padding-bottom: 48px; }
  .site-footer__tagline { font-size: 32px; }
}

/* =========================================================
   TYPE UTILITIES — sentence-case editorial display
   ========================================================= */
.eyebrow {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--sl-graphite);
}
.eyebrow--light { color: rgba(255,255,255,0.7); }
.eyebrow--ember { color: var(--sl-ember); }

.display-1, .display-2, h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.04;
  margin: 0;
  color: var(--fg-1);
  text-wrap: pretty;
}
.display-1 { font-size: clamp(56px, 9vw, 132px); }
.display-2 { font-size: clamp(44px, 6.5vw, 88px); }
h1 { font-size: clamp(40px, 5.5vw, 72px); }
h2 { font-size: clamp(32px, 4vw, 52px); }
h3 { font-size: clamp(22px, 2.4vw, 30px); line-height: 1.2; }

em.accent-gold { font-style: italic; color: var(--sl-gold); }
em.accent-coral { font-style: italic; color: var(--sl-coral); }
em.accent-ember { font-style: italic; color: var(--sl-ember); }

.lede {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: clamp(18px, 1.5vw, 22px);
  line-height: 1.55;
  color: var(--fg-1);
  max-width: 720px;
  text-wrap: pretty;
}

p { text-wrap: pretty; }

/* =========================================================
   BUTTONS
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 26px;
  border: 0;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 15px;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: all var(--dur-base) var(--ease-out);
  text-decoration: none;
}
.btn--ember {
  background: var(--sl-ember);
  color: #fff;
}
.btn--ember:hover {
  background: var(--sl-ember-700);
  box-shadow: var(--shadow-glow-ember);
}
.btn--ember:active { transform: translateY(1px); }
.btn--ghost {
  background: transparent;
  color: var(--fg-1);
  border: 1px solid var(--border-2);
}
.btn--ghost:hover { border-color: var(--sl-midnight); }
.btn--ghost-dark {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.25);
}
.btn--ghost-dark:hover { border-color: #fff; }
.btn--text-italic {
  background: transparent;
  color: inherit;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: 18px;
  padding: 16px 4px;
  border: 0;
}
.btn--text-italic::after {
  content: '→';
  margin-left: 4px;
  transition: transform var(--dur-base) var(--ease-out);
}
.btn--text-italic:hover::after { transform: translateX(4px); }

a:focus-visible, button:focus-visible {
  outline: 2px solid var(--sl-gold);
  outline-offset: 3px;
}

/* =========================================================
   SECTIONS
   ========================================================= */
section { padding: 120px 0; position: relative; }
@media (max-width: 768px) { section { padding: 72px 0; } }

.section-light { background: var(--sl-paper); color: var(--fg-1); }
.section-white { background: #fff; color: var(--fg-1); }
.section-dark  { background: var(--sl-midnight); color: #fff; }
.section-dark .eyebrow { color: rgba(255,255,255,0.7); }
.section-dark p { color: rgba(255,255,255,0.8); }

/* numbered-rule — small detail used as section starter */
.rule {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 32px;
}
.rule__dot {
  width: 6px; height: 6px;
  background: var(--sl-ember);
  border-radius: 50%;
}
.rule__line {
  width: 48px; height: 1px;
  background: currentColor;
  opacity: 0.4;
}

/* =========================================================
   STATS / NUMBERS
   ========================================================= */
.stat-num {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(48px, 6vw, 88px);
  line-height: 1;
  letter-spacing: -0.025em;
  color: var(--fg-1);
}
.section-dark .stat-num { color: #fff; }

/* =========================================================
   CARDS
   ========================================================= */
.card {
  background: #fff;
  border: 1px solid var(--border-1);
  border-radius: var(--radius-md);
  padding: 36px;
  transition: box-shadow var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
}
.card:hover {
  box-shadow: var(--shadow-2);
}
.card--dark {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: var(--shadow-inset-top);
  color: #fff;
}
.card--dark:hover {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.14);
}

/* =========================================================
   ENTRANCE / ANIM
   Progressive enhancement: content is visible by default.
   JS opts elements into the animation via `.js-fade`; the
   observer then adds `.in` once they enter the viewport.
   If JS / IntersectionObserver never run, page reads normally.
   ========================================================= */
.fade-up { /* no-op marker class — JS upgrades it */ }
.js-fade {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 800ms var(--ease-out), transform 800ms var(--ease-out);
}
.js-fade.in {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .js-fade { opacity: 1; transform: none; transition: none; }
}