@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&display=swap');

/* ==========================================================================
   ORTHOCA — Shared Design System
   Tokens + chrome + components. Every page links this file and reuses the
   chrome classes verbatim. Mobile-first; min-width queries for larger screens.
   ========================================================================== */

:root {
  /* Palette */
  --navy: #22344e;
  --brand: #235baa;
  --brand-dark: #014c8c;
  --brand-ink: #22344e;
  --accent: #2dbe59;
  --accent-dark: #1f9c46;
  --accent-soft: #8fd9a6;
  --surface: #ffffff;
  --surface-soft: #f4f6fb;
  --soft: #dee4f4;
  --ink: #22344e;
  --text: #373a3c;
  --muted: #6b7480;
  --line: #dee4f4;
  --white: #ffffff;
  --shadow-color: #dee4f4;

  /* Legacy aliases (kept for parity with source tokens) */
  --color-1: var(--navy);
  --color-2: var(--soft);
  --color-3: var(--brand);
  --color-4: var(--accent);
  --color-5: var(--white);
  --color-bg: var(--surface-soft);
  --color-shadow: var(--shadow-color);

  /* Type */
  --font-sans: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: Menlo, monospace;
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;
  --fw-black: 800;

  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-lg: 1.125rem;
  --fs-xl: 1.375rem;
  --fs-2xl: 1.75rem;
  --fs-3xl: clamp(2rem, 1.4rem + 2.4vw, 2.75rem);
  --fs-4xl: clamp(2.5rem, 1.6rem + 3.6vw, 3.75rem);
  --lh-tight: 1.12;
  --lh-snug: 1.3;
  --lh-base: 1.65;
  --tracking-tight: -0.02em;
  --tracking-wide: 0.08em;

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 2.5rem;
  --space-8: 3rem;
  --space-9: 4rem;
  --space-10: 5rem;
  --gap: 20px;
  --gap-row: 20px;
  --gap-column: 20px;
  --gutter-min: 15px;

  /* Layout */
  --container: 1140px;

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-pill: 999px;

  /* Elevation */
  --shadow-sm: 0 1px 2px rgba(34, 52, 78, 0.06), 0 1px 3px rgba(34, 52, 78, 0.08);
  --shadow-md: 0 6px 18px rgba(34, 52, 78, 0.10);
  --shadow-lg: 0 18px 40px rgba(34, 52, 78, 0.14);

  /* Motion */
  --dur-fast: 160ms;
  --dur: 260ms;
  --dur-slow: 420ms;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* --------------------------------------------------------------------------
   Base
   -------------------------------------------------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  font-weight: var(--fw-regular);
  line-height: var(--lh-base);
  color: var(--text);
  background-color: var(--surface-soft);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img,
picture,
video { max-width: 100%; display: block; }

a { color: var(--brand); text-decoration: none; transition: color var(--dur) var(--ease); }
a:hover { color: var(--brand-dark); }

ul,
ol { margin: 0; padding: 0; list-style: none; }

button { font: inherit; }

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 var(--space-4);
  color: var(--ink);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  letter-spacing: var(--tracking-tight);
}

h1 { font-size: var(--fs-4xl); }
h2 { font-size: var(--fs-3xl); }
h3 { font-size: var(--fs-2xl); }
h4 { font-size: var(--fs-xl); }

p { margin: 0 0 var(--space-4); }

small, .text-small { font-size: var(--fs-sm); }
.text-muted { color: var(--muted); }

.eyebrow {
  display: inline-block;
  margin: 0 0 var(--space-3);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--brand);
}
.eyebrow--light { color: var(--accent-soft); }
.section--navy .eyebrow,
.hero .eyebrow--light { color: var(--accent-soft); }

/* --------------------------------------------------------------------------
   Layout helpers
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter-min);
}

.section { padding-block: var(--space-9); }
.section--soft { background-color: var(--surface-soft); }
.section--navy { background-color: var(--navy); color: var(--white); }
.section--navy h1,
.section--navy h2,
.section--navy h3,
.section--navy h4 { color: var(--white); }

.grid {
  display: grid;
  gap: var(--gap);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, var(--grid-min, 240px)), 1fr));
}
.grid-2 { display: grid; gap: var(--gap); grid-template-columns: 1fr; }
.grid-3 { display: grid; gap: var(--gap); grid-template-columns: 1fr; }
.grid-4 { display: grid; gap: var(--gap); grid-template-columns: repeat(2, 1fr); }

.flex { display: flex; gap: var(--gap); }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }

.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mt-6 { margin-top: var(--space-6); }
.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;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.4rem;
  border: 2px solid transparent;
  border-radius: var(--radius-pill);
  font-family: inherit;
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  line-height: 1;
  letter-spacing: 0.01em;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease), transform var(--dur-fast) var(--ease),
    box-shadow var(--dur) var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 3px solid var(--soft); outline-offset: 2px; }

.btn-primary { background-color: var(--brand); color: var(--white); }
.btn-primary:hover { background-color: var(--brand-dark); color: var(--white); box-shadow: var(--shadow-md); }

.btn-accent { background-color: var(--accent); color: #0d2b17; }
.btn-accent:hover { background-color: var(--accent-dark); color: var(--white); }

.btn-secondary { background-color: transparent; color: var(--brand); border-color: var(--brand); }
.btn-secondary:hover { background-color: var(--brand); color: var(--white); }

.btn-ghost { background-color: transparent; color: var(--ink); border-color: transparent; }
.btn-ghost:hover { background-color: var(--soft); color: var(--ink); }

.btn-light { background-color: var(--white); color: var(--navy); }
.btn-light:hover { background-color: var(--soft); color: var(--navy); }

.btn-block { width: 100%; }
.btn-lg { padding: 0.95rem 1.8rem; font-size: var(--fs-base); }

/* --------------------------------------------------------------------------
   Cards
   -------------------------------------------------------------------------- */
.card {
  display: flex;
  flex-direction: column;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.card-media { aspect-ratio: 16 / 10; overflow: hidden; background-color: var(--soft); }
.card-media img { width: 100%; height: 100%; object-fit: cover; }
.card-body { padding: var(--space-5); display: flex; flex-direction: column; gap: var(--space-2); flex: 1; }
.card-title { margin: 0; font-size: var(--fs-lg); }
.card-meta { font-size: var(--fs-xs); font-weight: var(--fw-bold); letter-spacing: var(--tracking-wide); text-transform: uppercase; color: var(--brand); }
.card-text { margin: 0; color: var(--muted); font-size: var(--fs-sm); }
.card-tag {
  align-self: flex-start;
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius-pill);
  background-color: var(--soft);
  color: var(--navy);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
}

/* --------------------------------------------------------------------------
   Site header / navigation chrome
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: var(--surface);
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}
.site-header--dark { background-color: var(--navy); border-bottom-color: rgba(255, 255, 255, 0.12); }
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 68px;
  padding-block: var(--space-2);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-xl);
  font-weight: var(--fw-black);
  letter-spacing: var(--tracking-tight);
  color: var(--navy);
}
.brand:hover { color: var(--brand); }
.brand__mark { color: var(--accent); }
.site-header--dark .brand,
.site-header--dark .brand:hover { color: var(--white); }

.nav-inner { display: flex; align-items: center; gap: var(--space-4); }

.site-nav { display: none; }
.site-nav.is-open { display: block; }
.nav-list { display: flex; flex-direction: column; gap: var(--space-1); }
.nav-link {
  display: block;
  padding: var(--space-3) var(--space-2);
  color: var(--text);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  border-radius: var(--radius-sm);
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.nav-link:hover,
.nav-link[aria-current='page'] { color: var(--brand); background-color: var(--surface-soft); }
.site-header--dark .nav-link { color: rgba(255, 255, 255, 0.85); }
.site-header--dark .nav-link:hover { color: var(--white); background-color: rgba(255, 255, 255, 0.1); }
.site-header--dark .nav-link[aria-current='page'] { color: var(--navy); background-color: var(--white); }

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0 10px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.nav-toggle__bar { display: block; height: 2px; width: 100%; background-color: var(--navy); transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease); }
.site-header--dark .nav-toggle { border-color: rgba(255, 255, 255, 0.3); }
.site-header--dark .nav-toggle__bar { background-color: var(--white); }
.nav-toggle__bar + .nav-toggle__bar { margin-top: 0; }
.nav-toggle-input:checked ~ .nav-toggle .nav-toggle__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle-input:checked ~ .nav-toggle .nav-toggle__bar:nth-child(2) { opacity: 0; }
.nav-toggle-input:checked ~ .nav-toggle .nav-toggle__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav-toggle-input:checked ~ .site-nav { display: block; }
.nav-toggle-input { position: absolute; opacity: 0; width: 1px; height: 1px; pointer-events: none; }
.site-header__inner { position: relative; flex-wrap: wrap; }
.site-header__inner .site-nav { flex-basis: 100%; padding-bottom: var(--space-3); }

.header-cta { display: none; }
.header-lang { display: flex; align-items: center; gap: var(--space-1); font-size: var(--fs-xs); font-weight: var(--fw-semibold); }
.header-lang a { color: var(--muted); }
.header-lang a[aria-current='page'] { color: var(--brand); }
.site-header--dark .header-lang a { color: rgba(255, 255, 255, 0.7); }
.site-header--dark .header-lang a:hover,
.site-header--dark .header-lang a[aria-current='page'] { color: var(--white); }

/* --------------------------------------------------------------------------
   Site footer chrome
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--navy);
  color: rgba(255, 255, 255, 0.78);
  padding-block: var(--space-9) var(--space-6);
  font-size: var(--fs-sm);
}
.site-footer h4,
.site-footer .footer-heading {
  color: var(--white);
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  margin: 0 0 var(--space-4);
}
.footer-grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
  padding-bottom: var(--space-7);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}
.footer-brand { color: var(--white); font-size: var(--fs-xl); font-weight: var(--fw-black); letter-spacing: var(--tracking-tight); }
.footer-brand .brand__mark { color: var(--accent); }
.footer-col a { color: rgba(255, 255, 255, 0.78); }
.footer-col a:hover { color: var(--white); }
.footer-links { display: flex; flex-direction: column; gap: var(--space-2); }
.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-top: var(--space-5);
  font-size: var(--fs-xs);
  color: rgba(255, 255, 255, 0.6);
}
.footer-social { display: flex; gap: var(--space-4); }

/* --------------------------------------------------------------------------
   Notice / alert banner + hero helpers
   -------------------------------------------------------------------------- */
.alert-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background-color: #fcf8e3;
  color: #7a5b12;
  font-size: var(--fs-sm);
  border-block: 1px solid #f0e2b6;
}
.alert-banner a { color: #7a5b12; font-weight: var(--fw-bold); text-decoration: underline; }

.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 70vh;
  padding-block: var(--space-9);
  background-color: var(--navy);
  color: var(--white);
  overflow: hidden;
}
.hero__media { position: absolute; inset: 0; z-index: 0; }
.hero__media img,
.hero__media video { width: 100%; height: 100%; object-fit: cover; }
.hero__media::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(34, 52, 78, 0.82), rgba(34, 52, 78, 0.35)); }
.hero__inner { position: relative; z-index: 1; max-width: 42rem; }
.hero h1 { color: var(--white); }
.hero p { color: rgba(255, 255, 255, 0.86); font-size: var(--fs-lg); }

/* --------------------------------------------------------------------------
   Motion (mirrors the source site's feel: fade, slide, fade-in-down)
   -------------------------------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out); }
.reveal.is-visible { opacity: 1; transform: none; }

.fade-up { animation: ocFadeUp var(--dur-slow) var(--ease-out) both; }
.fade-in { animation: ocFadeIn var(--dur-slow) var(--ease-out) both; }
.fade-down { animation: ocFadeDown var(--dur-slow) var(--ease-out) both; }
.slide-in { animation: ocSlideIn var(--dur-slow) var(--ease-out) both; }
.fade-in-slow { animation: ocFadeInSlow 900ms var(--ease-out) both; }

.modal-fade { animation: ocFadeIn var(--dur) var(--ease) both; }
.modal-fade-out { animation: ocFadeOut var(--dur) var(--ease) both; }
.modal-slide { animation: ocSlideInUp var(--dur) var(--ease-out) both; }
.modal-slide-out { animation: ocSlideOutUp var(--dur) var(--ease) both; }

.marquee { display: flex; gap: var(--space-6); width: max-content; animation: ocMarquee 26s linear infinite; }
.marquee:hover { animation-play-state: paused; }

.delay-1 { animation-delay: 80ms; }
.delay-2 { animation-delay: 160ms; }
.delay-3 { animation-delay: 240ms; }
.delay-4 { animation-delay: 320ms; }

@keyframes ocFadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes ocFadeOut { from { opacity: 1; } to { opacity: 0; } }
@keyframes ocFadeInSlow { 0%, 20% { opacity: 0; } 100% { opacity: 1; } }
@keyframes ocFadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes ocFadeDown { from { opacity: 0; transform: translate3d(0, -20px, 0); } to { opacity: 1; transform: translate3d(0, 0, 0); } }
@keyframes ocSlideIn { from { opacity: 0; transform: translateX(-16px); } to { opacity: 1; transform: translateX(0); } }
@keyframes ocSlideInUp { from { transform: translateY(15%); } to { transform: translateY(0); } }
@keyframes ocSlideOutUp { from { transform: translateY(0); } to { transform: translateY(-10%); } }
@keyframes ocMarquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  .reveal { opacity: 1; transform: none; }
}

/* --------------------------------------------------------------------------
   Larger screens (mobile-first breakpoints)
   -------------------------------------------------------------------------- */
@media (min-width: 600px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-bottom { flex-direction: row; align-items: center; justify-content: space-between; }
}

@media (min-width: 900px) {
  :root { --gutter-min: 20px; }
  .section { padding-block: var(--space-10); }
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1.2fr; }
  .hero { min-height: 78vh; }
}

@media (min-width: 1040px) {
  .nav-toggle { display: none; }
  .nav-toggle-input { display: none; }
  .site-header__inner { flex-wrap: nowrap; }
  .site-header__inner .site-nav { flex-basis: auto; padding-bottom: 0; }
  .site-nav,
  .nav-toggle-input:checked ~ .site-nav { display: flex; align-items: center; gap: var(--space-4); }
  .nav-list { flex-direction: row; align-items: center; gap: var(--space-1); }
  .nav-link { padding: var(--space-2) var(--space-3); white-space: nowrap; }
  .header-cta { display: inline-flex; white-space: nowrap; }
}