/* AIDF 2026 - Global Stylesheet (Helvetica Typography) */
:root {
  --font-main: 'Helvetica Neue', Helvetica, Arial, -apple-system, BlinkMacSystemFont, sans-serif;
  --navy: #0C1122;
  --navy-2: #141A33;
  --navy-light: #1A2242;
  --paper: #F6F4EE;
  --paper-card: #FFFFFF;
  --ink: #14171C;
  --ink-80: rgba(20,23,28,0.8);
  --ink-60: rgba(20,23,28,0.62);
  --ink-38: rgba(20,23,28,0.4);
  --ink-10: rgba(20,23,28,0.08);
  --white: #FCFCFA;
  --white-90: rgba(252,252,250,0.92);
  --white-70: rgba(252,252,250,0.72);
  --white-42: rgba(252,252,250,0.42);
  --line-l: rgba(20,23,28,0.12);
  --line-d: rgba(252,252,250,0.14);
  --green: #2EA860;
  --green-deep: #1B7A42;
  --green-glow: rgba(46, 168, 96, 0.2);
  --amber: #D89A3A;
  --amber-light: rgba(216, 154, 58, 0.15);
  --blue: #3568D4;
  --blue-light: rgba(53, 104, 212, 0.15);
  --crimson: #C93A4B;
  --crimson-light: rgba(201, 58, 75, 0.15);
  --purple: #8E44AD;
  --max: 1120px;
  --radius: 12px;
  --shadow-sm: 0 2px 8px rgba(12,17,34,0.06);
  --shadow-md: 0 8px 24px rgba(12,17,34,0.09);
  --shadow-lg: 0 16px 40px rgba(12,17,34,0.14);
  --transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-main);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-main);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: inherit;
}

.mono { font-family: var(--font-main); }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 28px;
}

section {
  padding: 88px 0;
}

/* Eyebrows & Badges */
.eyebrow {
  font-family: var(--font-main);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  font-weight: 700;
}
.eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
}
.eyebrow.on-dark { color: var(--white-70); }
.eyebrow.on-light { color: var(--green-deep); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-main);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 4px 10px;
  border-radius: 6px;
  text-transform: uppercase;
}
.badge-green { background: rgba(46, 168, 96, 0.15); color: var(--green-deep); }
.badge-amber { background: var(--amber-light); color: #9A6515; }
.badge-blue { background: var(--blue-light); color: var(--blue); }
.badge-crimson { background: var(--crimson-light); color: var(--crimson); }
.badge-navy { background: rgba(12,17,34,0.08); color: var(--navy); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  padding: 12px 22px;
  border-radius: 8px;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-main);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-fill {
  background: var(--green);
  color: #07200F;
  border-color: var(--green);
  box-shadow: 0 4px 14px var(--green-glow);
}
.btn-fill:hover {
  background: #259151;
  color: #FFFFFF;
}

.btn-line-dark {
  border-color: rgba(255,255,255,0.25);
  color: var(--white);
  background: rgba(255,255,255,0.04);
}
.btn-line-dark:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--white-70);
}

.btn-line-light {
  border-color: var(--ink);
  color: var(--ink);
  background: transparent;
}
.btn-line-light:hover {
  background: var(--ink);
  color: var(--paper);
}

.btn-sm {
  padding: 8px 14px;
  font-size: 12.5px;
}

/* Header & Nav */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(12,17,34,0.95);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-d);
}

.nav-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 16px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.brand img {
  height: 32px;
  width: auto;
  display: block;
}
.brand-fallback {
  display: flex;
  align-items: center;
  gap: 8px;
}
.brand-text {
  font-family: var(--font-main);
  font-weight: 700;
  color: var(--white);
  font-size: 17px;
  letter-spacing: -0.01em;
}
.brand-text span {
  color: var(--green);
}

nav.links {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--white-70);
}
nav.links a {
  text-decoration: none;
  transition: color 0.18s ease;
  position: relative;
  padding: 6px 0;
}
nav.links a:hover,
nav.links a.active {
  color: var(--white);
}
nav.links a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--green);
  border-radius: 2px;
}

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: 1px solid var(--line-d);
  color: var(--white);
  padding: 8px;
  border-radius: 6px;
  cursor: pointer;
  font-family: var(--font-main);
}

@media (max-width: 860px) {
  nav.links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--navy);
    flex-direction: column;
    padding: 24px 28px;
    gap: 18px;
    border-bottom: 1px solid var(--line-d);
  }
  nav.links.open {
    display: flex;
  }
  .mobile-menu-btn {
    display: block;
  }
}

/* Subpage Hero Header */
.page-hero {
  background: linear-gradient(180deg, var(--navy) 0%, var(--navy-2) 100%);
  color: var(--white);
  padding: 68px 0 54px;
  border-bottom: 1px solid var(--line-d);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(46, 168, 96, 0.12) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero h1 {
  font-size: clamp(2.2rem, 4.4vw, 3.4rem);
  line-height: 1.15;
  margin-bottom: 16px;
  max-width: 840px;
  font-weight: 700;
}
.page-hero h1 .accent { color: var(--green); }
.page-hero p.lead {
  font-size: 16px;
  line-height: 1.7;
  color: var(--white-70);
  max-width: 680px;
}

/* Breadcrumbs */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  font-family: var(--font-main);
  color: var(--white-42);
  margin-bottom: 20px;
  font-weight: 500;
}
.breadcrumbs a { color: var(--white-70); transition: color 0.18s; }
.breadcrumbs a:hover { color: var(--green); }
.breadcrumbs span.sep { color: var(--white-42); }
.breadcrumbs span.current { color: var(--green); }

/* Filter Tabs / Controls */
.filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 36px;
}
.filter-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.filter-tab {
  background: #FFFFFF;
  border: 1px solid var(--line-l);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink-60);
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-main);
}
.filter-tab:hover {
  background: #F0EEE6;
  color: var(--ink);
}
.filter-tab.active {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}

.search-box {
  position: relative;
  min-width: 240px;
}
.search-input {
  width: 100%;
  padding: 10px 14px 10px 38px;
  background: #FFFFFF;
  border: 1px solid var(--line-l);
  border-radius: 8px;
  font-size: 13.5px;
  font-family: var(--font-main);
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s;
}
.search-input:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px var(--green-glow);
}
.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ink-38);
  pointer-events: none;
}

/* Cards & Containers */
.card {
  background: var(--paper-card);
  border: 1px solid var(--line-l);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.card:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(20,23,28,0.22);
}

.card-dark {
  background: var(--navy-2);
  border: 1px solid var(--line-d);
  color: var(--white);
}
.card-dark:hover {
  border-color: rgba(255,255,255,0.28);
}

/* Reveal Animation */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.in {
  opacity: 1;
  transform: none;
}

/* CTA Band */
.cta-band {
  background: var(--navy);
  color: var(--white);
  padding: 80px 0;
  text-align: center;
}
.cta-band h2 {
  font-size: clamp(1.8rem, 3.6vw, 2.6rem);
  max-width: 620px;
  margin: 0 auto 16px;
  line-height: 1.18;
}
.cta-band p {
  color: var(--white-70);
  font-size: 15.5px;
  max-width: 540px;
  margin: 0 auto 32px;
}
.cta-band .cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Footer */
footer {
  background: var(--navy);
  color: var(--white-70);
  border-top: 1px solid var(--line-d);
  padding: 54px 0 32px;
}
.foot-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 44px;
}
@media (max-width: 820px) {
  .foot-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 520px) {
  .foot-grid {
    grid-template-columns: 1fr;
  }
}

.foot-brand p {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--white-42);
  margin-top: 14px;
  max-width: 320px;
}
.foot-col h4 {
  font-family: var(--font-main);
  font-size: 14.5px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}
.foot-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 13.5px;
}
.foot-col ul a {
  color: var(--white-70);
  transition: color 0.18s;
}
.foot-col ul a:hover {
  color: var(--green);
}

.foot-bottom {
  border-top: 1px solid var(--line-d);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 12.5px;
  color: var(--white-42);
}

::selection {
  background: var(--green);
  color: #07200F;
}