/* ═══════════════════════════════════════════════
   PROTEGARA 2.0 — Shared Design System
   Light Theme · Safety Yellow · v2.0
   Page-specific styles live in their own CSS files.
═══════════════════════════════════════════════ */

/* ── GOOGLE FONTS ── */
@import url('https://fonts.googleapis.com/css2?family=Syne:wght@700;800&family=Inter:wght@400;500;600&display=swap');

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', sans-serif;
  background: var(--white);
  color: var(--navy);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; border: none; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }

/* ═══════════════════════════════════════════════
   DESIGN TOKENS
═══════════════════════════════════════════════ */
:root {
  /* ── Backgrounds ── */
  --white:     #FFFFFF;
  --off-white: #F7F8FA;
  --surface:   #EFF2F6;
  --surface-2: #E5E9F0;

  /* ── Safety Yellow (primary accent) ── */
  --yellow:        #F5C400;
  --yellow-dark:   #D4A900;
  --yellow-active: #B89200;
  --yellow-light:  #FFF8D6;
  --yellow-glow:   rgba(245,196,0,.12);
  --yellow-border: rgba(245,196,0,.35);
  --shadow-yellow: 0 8px 32px rgba(245,196,0,.25);

  /* ── Navy (headings, text) ── */
  --navy:   #0A1628;
  --navy-2: #1C2E4A;
  --navy-3: #2D4266;

  /* ── Semantic ── */
  --green:        #00B87A;
  --green-glow:   rgba(0,184,122,.10);
  --green-border: rgba(0,184,122,.28);
  --orange:       #FF6B35;
  --blue:         #3B82F6;

  /* ── Text hierarchy (opacity on navy) ── */
  --text:   #0A1628;
  --text-2: #4A6080;
  --text-3: #617080;

  /* ── Borders ── */
  --border:   rgba(10,22,40,.08);
  --border-2: rgba(10,22,40,.14);

  /* ── Border radius ── */
  --r:    14px;
  --r-sm:  8px;
  --r-lg: 20px;
  --r-xl: 28px;

  /* ── Layout ── */
  --nav-h:     64px;
  --container: 1240px;

  /* ── Shadows ── */
  --shadow-sm: 0 1px 4px rgba(10,22,40,.06), 0 1px 2px rgba(10,22,40,.04);
  --shadow:    0 4px 16px rgba(10,22,40,.08), 0 1px 4px rgba(10,22,40,.04);
  --shadow-lg: 0 12px 40px rgba(10,22,40,.12), 0 4px 12px rgba(10,22,40,.06);

  /* ── Type scale ── */
  --fs-2xs:  .68rem;
  --fs-xs:   .75rem;
  --fs-sm:   .82rem;
  --fs-base: .93rem;
  --fs-lg:   1rem;
  --fs-xl:   1.125rem;

  /* ── Spacing (4px grid) ── */
  --sp-1:  .25rem;
  --sp-2:  .5rem;
  --sp-3:  .75rem;
  --sp-4:  1rem;
  --sp-5:  1.25rem;
  --sp-6:  1.5rem;
  --sp-8:  2rem;
  --sp-10: 2.5rem;
  --sp-12: 3rem;
  --sp-16: 4rem;

  /* ── Chart palette (OKLCH L=72%, C=0.18) ── */
  --chart-1: oklch(72% 0.18  85);
  --chart-2: oklch(72% 0.18 225);
  --chart-3: oklch(72% 0.18 155);
  --chart-4: oklch(72% 0.18  35);
  --chart-5: oklch(72% 0.18 285);
  --chart-6: oklch(72% 0.18 195);
  --chart-7: oklch(72% 0.18  15);
}

/* ═══════════════════════════════════════════════
   TYPOGRAPHY
═══════════════════════════════════════════════ */
h1, h2, h3, h4, .logo-text { font-family: 'Syne', sans-serif; }
h1, h2, h3 { overflow-wrap: break-word; }

.display {
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.03em;
  color: var(--navy);
}

h2.section-title {
  font-size: clamp(1.7rem, 3.5vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.15;
  color: var(--navy);
}

h3 { font-size: 1.05rem; font-weight: 700; color: var(--navy); }

.eyebrow {
  font-size: var(--fs-2xs);
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-3);
}

.text-muted  { color: var(--text-2); }
.text-subtle { color: var(--text-3); }
.text-yellow { color: var(--yellow); }

/* ── Accessibility ── */
.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;
}

/* ═══════════════════════════════════════════════
   LAYOUT
═══════════════════════════════════════════════ */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section { padding: 6rem 0; }
.section-alt { background: var(--off-white); }

.section-hdr { text-align: center; max-width: 640px; margin: 0 auto 3.5rem; }
.section-hdr .eyebrow { margin-bottom: .75rem; }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

@media (max-width: 960px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .grid-2 { grid-template-columns: 1fr; gap: 2.5rem; }
  .grid-3 { grid-template-columns: 1fr; }
  .section { padding: 4rem 0; }
}

/* ═══════════════════════════════════════════════
   NAVIGATION
   Transparent at top, solid white on scroll.
═══════════════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 1000;
  background: transparent;
  transition: background .3s ease, box-shadow .3s ease, backdrop-filter .3s ease;
}

/* Applied by JS once user scrolls past hero */
.nav.scrolled {
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--border), var(--shadow-sm);
}

.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: .6rem;
  flex-shrink: 0;
}

.logo-mark svg { width: 32px; height: auto; }

.logo-text {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -.02em;
  color: var(--navy);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: .25rem;
}

.nav-links a {
  padding: var(--sp-2) .875rem;
  font-size: var(--fs-base);
  font-weight: 500;
  color: var(--text-2);
  position: relative;
  transition: color .2s;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 2px; left: .875rem; right: .875rem;
  height: 1.5px;
  background: var(--yellow);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease;
}

.nav-links a:hover,
.nav-links a.active { color: var(--navy); }

.nav-links a:hover::after,
.nav-links a.active::after { transform: scaleX(1); }

.nav-links a:focus-visible {
  outline: 2px solid var(--yellow-dark);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: .75rem;
}

/* Mobile hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  padding: .4rem;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: transform .25s ease, opacity .25s ease;
}

.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: var(--white);
  padding: calc(var(--nav-h) + 1.5rem) 1.5rem 2rem;
  flex-direction: column;
  gap: 1rem;
}

.mobile-nav.open { display: flex; }
.mobile-nav a { font-size: 1.1rem; font-weight: 600; color: var(--navy); padding: .75rem 0; border-bottom: 1px solid var(--border); }

@media (max-width: 768px) {
  .nav-links, .nav-right .btn { display: none; }
  .hamburger { display: flex; }
}

/* ═══════════════════════════════════════════════
   BUTTONS — all 4 states required
═══════════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1.5rem;
  border-radius: 100px;
  font-size: .9rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
  white-space: nowrap;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn:hover  { transform: translateY(-1px); }
.btn:active { transform: translateY(0); box-shadow: none !important; }
.btn:focus-visible { outline: 2px solid var(--yellow-dark); outline-offset: 3px; }
.btn:disabled, .btn[disabled] { opacity: .45; pointer-events: none; }

/* Primary — yellow CTA */
.btn-primary {
  background: var(--yellow);
  color: var(--navy);
  box-shadow: 0 2px 8px rgba(245,196,0,.30);
}
.btn-primary::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 55%; height: 100%;
  background: linear-gradient(to right, transparent, rgba(255,255,255,.22), transparent);
  transition: left .55s ease;
}
.btn-primary:hover { background: var(--yellow-dark); box-shadow: var(--shadow-yellow); }
.btn-primary:hover::after { left: 150%; }
.btn-primary:active { background: var(--yellow-active); }

/* Ghost / outline */
.btn-ghost {
  background: transparent;
  color: var(--navy);
  border: 1.5px solid var(--border-2);
}
.btn-ghost:hover { background: var(--surface); border-color: var(--navy-3); }
.btn-ghost:active { background: var(--surface-2); }

/* Dark — for CTAs on light sections */
.btn-dark {
  background: var(--navy);
  color: var(--white);
}
.btn-dark:hover { background: var(--navy-2); }
.btn-dark:active { background: var(--navy-3); }

/* Sizes */
.btn-sm { padding: .5rem 1.1rem; font-size: var(--fs-sm); }
.btn-lg { padding: .9rem 2rem; font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }

/* ═══════════════════════════════════════════════
   CARDS
═══════════════════════════════════════════════ */
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 1.5rem;
  transition: box-shadow .2s ease, transform .2s ease;
}

.card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.card-alt {
  background: var(--off-white);
  border: none;
}

/* ═══════════════════════════════════════════════
   MARQUEE — progressive blur edges
═══════════════════════════════════════════════ */
.marquee-wrap {
  position: relative;
  overflow: hidden;
}

.marquee-wrap::before,
.marquee-wrap::after {
  content: '';
  position: absolute;
  top: 0;
  width: 150px;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}

.marquee-wrap::before {
  left: 0;
  background: linear-gradient(to right, var(--white), transparent);
}

.marquee-wrap::after {
  right: 0;
  background: linear-gradient(to left, var(--white), transparent);
}

.marquee-track {
  display: flex;
  gap: 3rem;
  width: max-content;
  animation: marquee 28s linear infinite;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.section-alt .marquee-wrap::before { background: linear-gradient(to right, var(--off-white), transparent); }
.section-alt .marquee-wrap::after  { background: linear-gradient(to left, var(--off-white), transparent); }

/* ═══════════════════════════════════════════════
   BADGES / TAGS
═══════════════════════════════════════════════ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .25rem .6rem;
  border-radius: var(--r-sm);
  font-size: var(--fs-2xs);
  font-weight: 600;
  letter-spacing: .04em;
  background: var(--yellow-glow);
  color: var(--navy);
  border: 1px solid var(--yellow-border);
}

.badge-green {
  background: var(--green-glow);
  color: var(--green);
  border-color: var(--green-border);
}

/* ═══════════════════════════════════════════════
   VALUE STACK CARD
═══════════════════════════════════════════════ */
.value-stack {
  background: var(--off-white);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 2rem;
}

.value-stack .value-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: .75rem 0;
  border-bottom: 1px solid var(--border);
  gap: 1rem;
}

.value-stack .value-row:last-child { border-bottom: none; }

.value-stack .value-label {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: var(--fs-base);
  color: var(--text);
}

.value-stack .value-price {
  font-size: var(--fs-base);
  font-weight: 600;
  color: var(--text-3);
  white-space: nowrap;
}

.value-stack .value-total-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1rem;
  margin-top: .5rem;
}

.value-stack .value-total {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--yellow-dark);
}

/* ═══════════════════════════════════════════════
   DARK SECTIONS (CTA bands, footer)
   Elevation via lighter surfaces (opposite of light mode)
═══════════════════════════════════════════════ */
.section-dark {
  background: var(--navy);
  color: var(--white);
}

.section-dark h2,
.section-dark h3 { color: var(--white); }

.section-dark p,
.section-dark li { color: rgba(255,255,255,.75); }

.section-dark .card {
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.10);
}

/* ═══════════════════════════════════════════════
   FORM ELEMENTS
═══════════════════════════════════════════════ */
.form-group { display: flex; flex-direction: column; gap: .4rem; }

.form-group label {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--navy);
}

.form-control {
  padding: .7rem 1rem;
  border: 1.5px solid var(--border-2);
  border-radius: var(--r-sm);
  font-family: 'Inter', sans-serif;
  font-size: var(--fs-base);
  color: var(--navy);
  background: var(--white);
  transition: border-color .2s;
  width: 100%;
}

.form-control:focus {
  outline: none;
  border-color: var(--yellow-dark);
  box-shadow: 0 0 0 3px var(--yellow-glow);
}

.form-control::placeholder { color: var(--text-3); }

select.form-control { appearance: none; cursor: pointer; }

/* ═══════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════ */
.footer {
  background: var(--navy);
  color: rgba(255,255,255,.65);
  padding: 3rem 0 2rem;
}

.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer-brand .logo-text { color: var(--white); }

.footer-tagline {
  font-size: var(--fs-sm);
  color: rgba(255,255,255,.5);
  margin-top: .4rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: var(--fs-sm);
  color: rgba(255,255,255,.5);
  transition: color .2s;
}

.footer-links a:hover { color: rgba(255,255,255,.85); }

.footer-bottom {
  max-width: var(--container);
  margin: 2rem auto 0;
  padding: 1.5rem 1.5rem 0;
  border-top: 1px solid rgba(255,255,255,.08);
  font-size: var(--fs-xs);
  color: rgba(255,255,255,.35);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: .75rem;
}

/* ═══════════════════════════════════════════════
   MOTION — GSAP hooks + reduced-motion fallback
═══════════════════════════════════════════════ */
.gsap-fade-up { opacity: 0; transform: translateY(24px); }
.gsap-scale-in { opacity: 0; transform: scale(0.96); }

@media (prefers-reduced-motion: reduce) {
  .gsap-fade-up,
  .gsap-scale-in { opacity: 1; transform: none; }

  .marquee-track { animation: none; }

  .btn:hover { transform: none; }
  .card:hover { transform: none; }
}

/* ═══════════════════════════════════════════════
   UTILITY CLASSES
═══════════════════════════════════════════════ */
.text-center { text-align: center; }
.text-left   { text-align: left; }

.mt-sm  { margin-top: .5rem; }
.mt-1   { margin-top: 1rem; }
.mt-2   { margin-top: 2rem; }
.mb-sm  { margin-bottom: .5rem; }
.mb-1   { margin-bottom: 1rem; }
.mb-2   { margin-bottom: 2rem; }

.d-flex   { display: flex; }
.d-grid   { display: grid; }
.gap-1    { gap: 1rem; }
.gap-2    { gap: 2rem; }
.ai-center { align-items: center; }
.jc-between { justify-content: space-between; }

.hidden { display: none !important; }

/* ── Skip to main content (accessibility) ── */
.skip-link {
  position: absolute;
  top: -40px;
  left: 1rem;
  background: var(--yellow);
  color: var(--navy);
  padding: .5rem 1rem;
  border-radius: var(--r-sm);
  font-weight: 600;
  z-index: 9999;
  transition: top .2s;
}

.skip-link:focus { top: 1rem; }