/* Outer Motion — Shared Design System */

:root {
  --cream:  #FCF7E9;
  --sage:   #E2EBBF;
  --teal:   #38A69F;
  --blue:   #2D93C4;
  --deep:   #185760;
  --ink:    #0D1E21;
  --muted:  #5C7278;

  --font-display: "Futura", "Century Gothic", "Trebuchet MS", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;

  --section-pad: clamp(72px, 9vw, 120px);
  --container: 1200px;
  --radius: 3px;

  --step--1: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --step-0:  clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --step-1:  clamp(1.25rem, 1.1rem + 0.75vw, 1.625rem);
  --step-2:  clamp(1.5rem, 1.25rem + 1.25vw, 2.25rem);
  --step-3:  clamp(2rem, 1.5rem + 2.5vw, 3.5rem);
  --step-4:  clamp(2.75rem, 2rem + 3.75vw, 5rem);
}

/* ── Reset ────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--cream); color: var(--ink); font-family: var(--font-body); font-size: var(--step-0); line-height: 1.65; -webkit-font-smoothing: antialiased; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }

/* ── Utilities ────────────────────────────────────────── */
.container { width: min(var(--container), 100% - 3rem); margin-inline: auto; }
.container--narrow { width: min(760px, 100% - 3rem); margin-inline: auto; }

.eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: var(--step--1);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 1rem;
}
.section-heading {
  font-family: var(--font-display);
  font-size: var(--step-3);
  font-weight: 700;
  line-height: 1.1;
  text-wrap: balance;
  color: var(--deep);
}
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* ── Buttons ──────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-display); font-size: var(--step--1);
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 0.8rem 1.75rem; border-radius: var(--radius);
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  font-weight: 600;
}
.btn--primary { background: var(--deep); color: var(--cream); border: 2px solid var(--deep); }
.btn--primary:hover { background: var(--teal); border-color: var(--teal); }
.btn--outline { background: transparent; color: var(--deep); border: 2px solid var(--deep); }
.btn--outline:hover { background: var(--deep); color: var(--cream); }
.btn--outline-light { background: transparent; color: var(--cream); border: 2px solid color-mix(in srgb, var(--cream) 40%, transparent); }
.btn--outline-light:hover { background: color-mix(in srgb, var(--cream) 12%, transparent); border-color: var(--cream); }
.btn--light { background: var(--cream); color: var(--deep); border: 2px solid var(--cream); }
.btn--light:hover { background: var(--sage); border-color: var(--sage); }
.btn--teal { background: var(--teal); color: var(--cream); border: 2px solid var(--teal); }
.btn--teal:hover { background: var(--deep); border-color: var(--deep); }
.btn--sm { padding: 0.55rem 1.1rem; font-size: 0.7rem; }

/* ── Navigation ───────────────────────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: color-mix(in srgb, var(--cream) 94%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid color-mix(in srgb, var(--sage) 60%, transparent);
}
.nav__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
  width: min(var(--container), 100% - 3rem);
  margin-inline: auto;
}
.nav__logo { display: flex; align-items: center; }
.nav__logo img { height: 28px; width: auto; display: block; }
.nav__links {
  display: flex; gap: 2rem; list-style: none;
  font-family: var(--font-display); font-size: var(--step--1);
  letter-spacing: 0.06em; text-transform: uppercase;
}
.nav__links a { color: var(--muted); transition: color 0.2s; }
.nav__links a:hover, .nav__links a[aria-current="page"] { color: var(--deep); }
.nav__cta {
  font-family: var(--font-display); font-size: var(--step--1);
  letter-spacing: 0.08em; text-transform: uppercase;
  background: var(--deep); color: var(--cream);
  padding: 0.55rem 1.4rem; border-radius: var(--radius); transition: background 0.2s;
}
.nav__cta:hover { background: var(--teal); }
.nav__hamburger { display: none; flex-direction: column; gap: 5px; padding: 6px; }
.nav__hamburger span { display: block; width: 24px; height: 2px; background: var(--deep); transition: transform 0.25s, opacity 0.25s; }
.nav__mobile {
  display: none; flex-direction: column;
  background: var(--cream); border-top: 1px solid var(--sage); padding: 1.5rem; gap: 1rem;
}
.nav__mobile a { font-family: var(--font-display); font-size: var(--step--1); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
@media (max-width: 900px) {
  .nav__links, .nav__cta { display: none; }
  .nav__hamburger { display: flex; }
  .nav__mobile.open { display: flex; }
}

/* ── Nav dropdown ────────────────────────────────────── */
.nav__item { position: relative; }
.nav__item > a { display: flex; align-items: center; gap: 0.3rem; }
.nav__item > a::after { content: '▾'; font-size: 0.6em; opacity: 0.6; }
.nav__dropdown {
  display: none;
  position: absolute; top: calc(100% + 8px); left: 50%;
  transform: translateX(-50%);
  background: var(--cream);
  border: 1px solid var(--sage);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(13,30,33,0.15);
  min-width: 280px;
  z-index: 200;
  padding: 0.5rem;
}
.nav__item.open .nav__dropdown,
.nav__item:focus-within .nav__dropdown { display: block; }
.nav__dropdown-item {
  display: flex; align-items: center; gap: 0.9rem;
  padding: 0.75rem 1rem;
  border-radius: calc(var(--radius) - 1px);
  transition: background 0.15s;
  color: var(--ink);
}
.nav__dropdown-item:hover { background: var(--sage); }
.nav__dropdown-item__icon {
  width: 36px; height: 36px;
  background: var(--deep); color: var(--cream);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.nav__dropdown-item__name { font-family: var(--font-display); font-size: var(--step--1); font-weight: 700; color: var(--deep); letter-spacing: 0.04em; text-transform: uppercase; }
.nav__dropdown-item__desc { font-size: 0.72rem; color: var(--muted); margin-top: 0.15rem; }

/* ── Belt (rolling strips) ────────────────────────────── */
.belt-wrap {
  overflow: hidden;
  position: relative;
}
.belt-wrap::before,
.belt-wrap::after {
  content: '';
  position: absolute; top: 0; bottom: 0; width: 80px; z-index: 2; pointer-events: none;
}
.belt-wrap::before { left: 0; background: linear-gradient(to right, var(--belt-bg, var(--deep)), transparent); }
.belt-wrap::after  { right: 0; background: linear-gradient(to left,  var(--belt-bg, var(--deep)), transparent); }

.belt-track {
  display: flex; align-items: center;
  gap: var(--belt-gap, 3rem);
  width: max-content;
  white-space: nowrap;
  padding: var(--belt-py, 1rem) 0;
}
@media (prefers-reduced-motion: no-preference) {
  .belt-track { animation: belt-scroll var(--belt-speed, 32s) linear infinite; }
  .belt-wrap:hover .belt-track { animation-play-state: paused; }
  @keyframes belt-scroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }
}

.belt-item {
  display: inline-flex; align-items: center; gap: 0.55rem;
  font-family: var(--font-display); font-size: var(--step--1);
  letter-spacing: 0.07em; text-transform: uppercase;
  color: var(--belt-color, var(--cream));
  white-space: nowrap;
}
.belt-item::before {
  content: '';
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--belt-dot, var(--teal));
  flex-shrink: 0;
}

/* ── Page header (sub-pages) ──────────────────────────── */
.page-header {
  padding: calc(64px + var(--section-pad) * 0.6) 0 calc(var(--section-pad) * 0.5);
  background: var(--deep); color: var(--cream);
}
.page-header .eyebrow { color: var(--teal); }
.page-header .section-heading { color: var(--cream); }
.page-header__sub { color: var(--sage); font-size: var(--step-1); margin-top: 1rem; max-width: 100%; }

/* ── Search bar ───────────────────────────────────────── */
.search-bar {
  display: flex; gap: 0; max-width: 520px;
  background: color-mix(in srgb, var(--teal) 12%, var(--cream));
  border: 1.5px solid color-mix(in srgb, var(--teal) 40%, transparent);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s;
}
.search-bar:focus-within { border-color: var(--teal); }
.search-bar__input {
  flex: 1; padding: 0.75rem 1.1rem;
  background: transparent; border: none; outline: none;
  font-family: var(--font-body); font-size: var(--step-0);
  color: var(--ink);
}
.search-bar__input::placeholder { color: var(--muted); }
.search-bar__btn {
  padding: 0.75rem 1.1rem; background: var(--teal); color: var(--cream);
  display: flex; align-items: center; gap: 0.4rem;
  font-family: var(--font-display); font-size: var(--step--1);
  letter-spacing: 0.06em; text-transform: uppercase;
  transition: background 0.2s;
}
.search-bar__btn:hover { background: var(--deep); }

/* ── Filter tabs ──────────────────────────────────────── */
.filter-tabs { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.filter-tab {
  font-family: var(--font-display); font-size: var(--step--1);
  letter-spacing: 0.07em; text-transform: uppercase;
  padding: 0.4rem 1rem; border-radius: var(--radius);
  border: 1.5px solid color-mix(in srgb, var(--deep) 25%, transparent);
  color: var(--muted); background: transparent;
  transition: all 0.15s;
}
.filter-tab:hover { border-color: var(--teal); color: var(--teal); }
.filter-tab.active { background: var(--deep); color: var(--cream); border-color: var(--deep); }

/* ── Article card ─────────────────────────────────────── */
.article-card {
  background: color-mix(in srgb, var(--ink) 80%, var(--deep));
  padding: 2rem; display: flex; flex-direction: column;
  cursor: pointer; transition: background 0.2s;
}
.article-card:hover { background: color-mix(in srgb, var(--deep) 50%, var(--ink)); }
.article-card--light { background: var(--sage); }
.article-card--light:hover { background: color-mix(in srgb, var(--teal) 12%, var(--sage)); }
.article-card__cat {
  font-family: var(--font-display); font-size: 0.65rem;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--teal); margin-bottom: 0.75rem;
}
.article-card--light .article-card__cat { color: var(--teal); }
.article-card__title {
  font-family: var(--font-display); font-size: var(--step-1);
  font-weight: 700; color: var(--cream); line-height: 1.25; margin-bottom: 0.75rem;
}
.article-card--light .article-card__title { color: var(--deep); }
.article-card__body { color: color-mix(in srgb, var(--cream) 60%, var(--muted)); font-size: var(--step-0); }
.article-card--light .article-card__body { color: var(--muted); }
.article-card__read {
  margin-top: auto; padding-top: 1.25rem;
  font-family: var(--font-display); font-size: var(--step--1);
  letter-spacing: 0.06em; text-transform: uppercase; color: var(--teal);
  display: flex; align-items: center; gap: 0.4rem;
}
.article-card[hidden] { display: none; }

/* ── Footer ───────────────────────────────────────────── */
.footer { background: var(--ink); color: var(--cream); padding: 4rem 0 2rem; }
.footer__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; margin-bottom: 4rem; }
.footer__brand-name { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--cream); margin-bottom: 0.75rem; }
.footer__brand-name span { color: var(--teal); }
.footer__tagline { color: var(--muted); font-size: var(--step-0); margin-bottom: 1.5rem; }
.footer__col-title { font-family: var(--font-display); font-size: var(--step--1); letter-spacing: 0.08em; text-transform: uppercase; color: var(--sage); margin-bottom: 1.25rem; }
.footer__links { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }
.footer__links a { color: var(--muted); font-size: var(--step-0); transition: color 0.2s; }
.footer__links a:hover { color: var(--cream); }
.footer__bottom { border-top: 1px solid color-mix(in srgb, var(--muted) 30%, var(--ink)); padding-top: 2rem; }
.footer__disclaimer { font-size: var(--step--1); color: var(--muted); max-width: 80ch; line-height: 1.6; margin-bottom: 1rem; }
.footer__legal { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; font-size: var(--step--1); color: color-mix(in srgb, var(--muted) 60%, var(--ink)); }
.footer__social { display: flex; align-items: center; gap: 0.75rem; }
.footer__social a { color: var(--muted); transition: color 0.2s; display: flex; }
.footer__social a:hover { color: var(--teal); }
@media (max-width: 900px) { .footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .footer__grid { grid-template-columns: 1fr; } }

/* ── Scroll reveal ────────────────────────────────────── */
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.65s ease, transform 0.65s ease; }
  .reveal.visible { opacity: 1; transform: none; }
  .reveal-delay-1 { transition-delay: 0.1s; }
  .reveal-delay-2 { transition-delay: 0.2s; }
  .reveal-delay-3 { transition-delay: 0.3s; }
  .reveal-delay-4 { transition-delay: 0.4s; }
}

/* ── Focus ────────────────────────────────────────────── */
:focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; }