/* ===========================================================================
   Orange Events Worldwide — site stylesheet
   Sections: tokens · reset · base · layout · header · hero · sections
            · cards · forms · footer · animations · responsive
   =========================================================================== */

/* ---------- 1. Design tokens ---------- */
:root {
  /* Brand */
  --c-orange:       #F58220;
  --c-orange-deep:  #E36B0A;
  --c-orange-soft:  #FFF1E2;
  --c-green:        #8BC53F;
  --c-green-deep:   #3CA749;
  --c-green-soft:   #F1F9E6;

  /* Neutrals */
  --c-ink:          #1B1F23;
  --c-ink-soft:     #4A5159;
  --c-muted:        #7A828B;
  --c-line:         #E6E8EB;
  --c-bg:           #FFFFFF;
  --c-bg-alt:       #FAFBF7;

  /* Type */
  --ff-display: 'Poppins', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --ff-body:    'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;

  --fs-xs:    0.8125rem;   /* 13 */
  --fs-sm:    0.9375rem;   /* 15 */
  --fs-base:  1.0625rem;   /* 17 */
  --fs-md:    1.1875rem;   /* 19 */
  --fs-lg:    1.5rem;      /* 24 */
  --fs-xl:    2rem;        /* 32 */
  --fs-2xl:   2.75rem;     /* 44 */
  --fs-3xl:   clamp(2.5rem, 5vw + 1rem, 4.25rem);

  /* Spacing */
  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-5: 1.5rem;
  --sp-6: 2rem;
  --sp-7: 3rem;
  --sp-8: 4rem;
  --sp-9: 6rem;

  /* Layout */
  --container: 1200px;
  --radius-sm: 8px;
  --radius:    14px;
  --radius-lg: 22px;

  /* Effects */
  --shadow-sm: 0 1px 2px rgba(20, 25, 30, 0.06), 0 1px 3px rgba(20, 25, 30, 0.04);
  --shadow:    0 8px 24px rgba(20, 25, 30, 0.08);
  --shadow-lg: 0 20px 50px rgba(20, 25, 30, 0.12);
  --grad-brand:        linear-gradient(135deg, #F58220 0%, #FFA559 50%, #8BC53F 100%);
  --grad-brand-soft:   linear-gradient(135deg, #FFF1E2 0%, #F1F9E6 100%);
  --grad-orange:       linear-gradient(135deg, #F58220 0%, #FFA559 100%);
  --grad-green:        linear-gradient(135deg, #8BC53F 0%, #3CA749 100%);

  /* Motion */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --t-fast: 160ms;
  --t-med:  280ms;
  --t-slow: 520ms;
}

/* ---------- 2. Modern reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; overflow-x: clip; }
body { -webkit-font-smoothing: antialiased; line-height: 1.55; overflow-x: clip; }
img, picture, svg, video { display: block; max-width: 100%; height: auto; }
input, button, textarea, select { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
ul[role='list'], ol[role='list'] { list-style: none; padding: 0; }
:focus-visible { outline: 3px solid var(--c-orange); outline-offset: 3px; border-radius: 4px; }

/* ---------- 3. Base typography ---------- */
body {
  font-family: var(--ff-body);
  font-size: var(--fs-base);
  color: var(--c-ink);
  background: var(--c-bg);
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--ff-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--c-ink);
  overflow-wrap: break-word;
}
h1 { font-size: var(--fs-3xl); }
h2 { font-size: var(--fs-2xl); }
h3 { font-size: var(--fs-lg); }
h4 { font-size: var(--fs-md); }

p { color: var(--c-ink-soft); }
.lead { font-size: var(--fs-md); color: var(--c-ink-soft); max-width: 60ch; }

.eyebrow {
  display: inline-block;
  max-width: 100%;
  font-family: var(--ff-display);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-orange-deep);
  padding: var(--sp-2) var(--sp-4);
  background: var(--c-orange-soft);
  border-radius: 999px;
  margin-bottom: var(--sp-4);
  word-spacing: 0.05em;
  line-height: 1.4;
}
.eyebrow--green { color: var(--c-green-deep); background: var(--c-green-soft); }

/* ---------- 4. Layout primitives ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(var(--sp-4), 4vw, var(--sp-7));
}

.section {
  padding-block: clamp(var(--sp-8), 9vw, var(--sp-9));
}
.section--alt { background: var(--c-bg-alt); }
.section--brand-soft { background: var(--grad-brand-soft); }

.section__head { text-align: center; max-width: 780px; margin: 0 auto var(--sp-8); }
.section__head .lead { margin-inline: auto; }

.grid { display: grid; gap: var(--sp-5); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.split {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--sp-8);
  align-items: center;
}

/* ---------- 5. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--ff-display);
  font-weight: 600;
  font-size: var(--fs-sm);
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  transition: transform var(--t-fast) var(--ease), box-shadow var(--t-med) var(--ease), background var(--t-fast) var(--ease);
  white-space: nowrap;
}
.btn--primary {
  background: var(--grad-orange);
  color: #fff;
  box-shadow: 0 8px 18px rgba(245, 130, 32, 0.35);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 12px 24px rgba(245, 130, 32, 0.45); }
.btn--ghost {
  background: transparent;
  color: var(--c-ink);
  border: 1.5px solid var(--c-line);
}
.btn--ghost:hover { border-color: var(--c-orange); color: var(--c-orange-deep); }
.btn--white {
  background: #fff; color: var(--c-orange-deep);
  box-shadow: var(--shadow);
}
.btn--white:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }

.btn .arrow { transition: transform var(--t-fast) var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

/* ---------- 6. Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.85);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-med) var(--ease), background var(--t-med) var(--ease);
}
.site-header.is-scrolled {
  background: rgba(255,255,255,0.95);
  border-bottom-color: var(--c-line);
}

.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding-block: var(--sp-4);
  gap: var(--sp-5);
}
.nav__brand { display: flex; align-items: center; gap: var(--sp-3); }
.nav__brand img { height: 44px; width: auto; }

.nav__links {
  display: flex; align-items: center; gap: var(--sp-2);
  list-style: none;
}
.nav__links a {
  display: inline-block;
  padding: 0.55rem var(--sp-4);
  font-family: var(--ff-display);
  font-weight: 500;
  font-size: var(--fs-sm);
  color: var(--c-ink-soft);
  border-radius: 999px;
  transition: color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.nav__links a:hover { color: var(--c-orange-deep); background: var(--c-orange-soft); }
.nav__links a.is-active { color: var(--c-orange-deep); background: var(--c-orange-soft); }

.nav__cta { margin-left: var(--sp-3); }

.nav__toggle {
  display: none;
  width: 44px; height: 44px;
  border-radius: 12px;
  align-items: center; justify-content: center;
  border: 1px solid var(--c-line);
}
.nav__toggle span,
.nav__toggle span::before,
.nav__toggle span::after {
  content: ''; display: block;
  width: 22px; height: 2px;
  background: var(--c-ink);
  border-radius: 2px;
  transition: transform var(--t-med) var(--ease), top var(--t-med) var(--ease), opacity var(--t-fast);
}
.nav__toggle span { position: relative; }
.nav__toggle span::before { position: absolute; top: -7px; }
.nav__toggle span::after  { position: absolute; top:  7px; }
.nav__toggle[aria-expanded='true'] span { background: transparent; }
.nav__toggle[aria-expanded='true'] span::before { top: 0; transform: rotate(45deg); }
.nav__toggle[aria-expanded='true'] span::after  { top: 0; transform: rotate(-45deg); }

/* ---------- 7. Hero ---------- */
.hero {
  position: relative;
  padding-block: clamp(var(--sp-8), 12vw, 8rem);
  background:
    radial-gradient(1200px 600px at 85% -10%, rgba(245,130,32,0.16), transparent 60%),
    radial-gradient(900px 600px at -10% 100%, rgba(139,197,63,0.18), transparent 55%),
    var(--c-bg);
  overflow: hidden;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: var(--sp-8);
  align-items: center;
}
.hero h1 { margin-bottom: var(--sp-5); }
.hero h1 .accent {
  background: var(--grad-orange);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__lead { font-size: var(--fs-md); margin-bottom: var(--sp-6); max-width: 56ch; }
.hero__ctas { display: flex; gap: var(--sp-3); flex-wrap: wrap; }

.hero__art {
  position: relative;
  aspect-ratio: 1 / 1;
  display: grid; place-items: center;
}
.hero__art::before {
  content: '';
  position: absolute; inset: 8%;
  background: var(--grad-brand);
  border-radius: 50%;
  filter: blur(40px); opacity: 0.35;
}
.hero__art img { position: relative; max-width: 78%; }

/* secondary hero (for non-home pages) */
.page-hero {
  padding-block: clamp(var(--sp-7), 8vw, var(--sp-8));
  background:
    radial-gradient(800px 400px at 100% 0%, rgba(245,130,32,0.10), transparent 60%),
    radial-gradient(800px 400px at 0% 100%, rgba(139,197,63,0.10), transparent 60%),
    var(--c-bg-alt);
  text-align: center;
  border-bottom: 1px solid var(--c-line);
}
.page-hero h1 { font-size: clamp(2.2rem, 4vw + 1rem, 3.5rem); margin-bottom: var(--sp-4); }
.page-hero p { max-width: 60ch; margin-inline: auto; }

/* ---------- 8. Cards ---------- */
.card {
  position: relative;
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: var(--sp-6);
  transition: transform var(--t-med) var(--ease), box-shadow var(--t-med) var(--ease), border-color var(--t-med) var(--ease);
  display: flex; flex-direction: column; gap: var(--sp-3);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }

.card__icon {
  width: 56px; height: 56px;
  border-radius: 16px;
  display: grid; place-items: center;
  background: var(--c-orange-soft);
  color: var(--c-orange-deep);
  margin-bottom: var(--sp-2);
  font-size: 1.5rem;
}
.card__icon--green { background: var(--c-green-soft); color: var(--c-green-deep); }
.card h3 { font-size: var(--fs-md); }
.card p { font-size: var(--fs-sm); color: var(--c-ink-soft); }

.card--feature {
  border-radius: var(--radius-lg);
  padding: var(--sp-7);
}
.card--feature::before {
  content: ''; position: absolute; left: 0; top: 0; height: 4px; width: 0;
  background: var(--grad-orange);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  transition: width var(--t-med) var(--ease);
}
.card--feature:hover::before { width: 100%; }

/* numbered card */
.card--numbered { padding-top: var(--sp-7); }
.card__num {
  position: absolute; top: var(--sp-5); right: var(--sp-5);
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: 2.25rem;
  color: var(--c-orange);
  opacity: 0.25;
  line-height: 1;
}

/* ---------- 9. Chips / Lists ---------- */
.chip-list {
  display: flex; flex-wrap: wrap; gap: var(--sp-2);
  list-style: none;
}
.chip {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  padding: 0.5rem var(--sp-4);
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: 999px;
  font-size: var(--fs-sm);
  color: var(--c-ink-soft);
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}
.chip:hover { border-color: var(--c-orange); color: var(--c-orange-deep); transform: translateY(-2px); }
.chip__dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--c-orange);
  flex-shrink: 0;
}
.chip--hq { background: var(--c-orange-soft); border-color: transparent; color: var(--c-orange-deep); font-weight: 600; }
.chip--hq .chip__dot { background: var(--c-orange-deep); }

/* ---------- 10. Vision/Mission split panels ---------- */
.vm-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-5);
}
.vm-card {
  position: relative;
  border-radius: var(--radius-lg);
  padding: var(--sp-7);
  color: #fff;
  overflow: hidden;
  min-height: 280px;
  display: flex; flex-direction: column; justify-content: flex-end;
}
.vm-card--vision { background: var(--grad-orange); }
.vm-card--mission { background: var(--grad-green); }
.vm-card::after {
  content: ''; position: absolute; right: -40px; top: -40px;
  width: 220px; height: 220px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
}
.vm-card .eyebrow {
  background: rgba(255,255,255,0.2);
  color: #fff;
  align-self: flex-start;
}
.vm-card h3 { color: #fff; font-size: var(--fs-xl); margin-bottom: var(--sp-3); }
.vm-card p  { color: rgba(255,255,255,0.92); font-size: var(--fs-md); }

/* ---------- 11. Forms ---------- */
.form { display: grid; gap: var(--sp-5); }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-4); }
.field { display: grid; gap: var(--sp-2); }
.field label {
  font-family: var(--ff-display);
  font-weight: 600;
  font-size: var(--fs-sm);
  color: var(--c-ink);
}
.field input, .field textarea, .field select {
  width: 100%;
  padding: 0.85rem 1rem;
  background: #fff;
  border: 1.5px solid var(--c-line);
  border-radius: var(--radius-sm);
  font-size: var(--fs-base);
  transition: border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none;
  border-color: var(--c-orange);
  box-shadow: 0 0 0 4px rgba(245,130,32,0.15);
}
.field textarea { min-height: 150px; resize: vertical; }
.field .error-text {
  color: #C42B2B; font-size: var(--fs-xs);
  display: none;
}
.field.has-error input, .field.has-error textarea { border-color: #C42B2B; }
.field.has-error .error-text { display: block; }

.form__feedback {
  padding: var(--sp-4) var(--sp-5);
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
  display: none;
}
.form__feedback.is-success { display: block; background: var(--c-green-soft); color: var(--c-green-deep); }
.form__feedback.is-error   { display: block; background: #FDECEC;            color: #B61F1F; }

/* ---------- 12. Contact info card ---------- */
.contact-card {
  background: var(--grad-orange);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: var(--sp-7);
  display: flex; flex-direction: column; gap: var(--sp-5);
  position: relative;
  overflow: hidden;
}
.contact-card::before {
  content: ''; position: absolute; right: -60px; bottom: -60px;
  width: 240px; height: 240px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
}
.contact-card h3 { color: #fff; }
.contact-card p, .contact-card a { color: rgba(255,255,255,0.95); }
.contact-card a:hover { text-decoration: underline; }
.contact-item { display: flex; gap: var(--sp-4); align-items: flex-start; position: relative; }
.contact-item__icon {
  flex-shrink: 0;
  width: 40px; height: 40px; border-radius: 12px;
  background: rgba(255,255,255,0.18);
  display: grid; place-items: center;
  font-size: 1.1rem;
}
.contact-item__label { font-family: var(--ff-display); font-weight: 600; font-size: var(--fs-sm); margin-bottom: 2px; }

/* ---------- 13. Footer ---------- */
.site-footer {
  background: #14181C;
  color: #C9CFD6;
  padding-block: var(--sp-8) var(--sp-5);
  margin-top: var(--sp-8);
}
.site-footer .footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--sp-7);
}
.site-footer h4 {
  color: #fff;
  font-size: var(--fs-sm);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--sp-4);
}
.site-footer ul { list-style: none; padding: 0; display: grid; gap: var(--sp-3); }
.site-footer a { color: #C9CFD6; transition: color var(--t-fast); font-size: var(--fs-sm); }
.site-footer a:hover { color: var(--c-orange); }
.site-footer__brand img { height: 48px; margin-bottom: var(--sp-4); }
.site-footer__brand p { color: #8C949D; max-width: 38ch; font-size: var(--fs-sm); }
.site-footer__bottom {
  margin-top: var(--sp-7);
  padding-top: var(--sp-5);
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: var(--sp-3);
  font-size: var(--fs-xs);
  color: #6E7780;
}

/* ---------- 14. Scroll animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--t-slow) var(--ease), transform var(--t-slow) var(--ease);
}
.reveal.is-visible {
  opacity: 1; transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- 15. Responsive ---------- */
@media (max-width: 980px) {
  .hero__inner { grid-template-columns: 1fr; text-align: center; }
  .hero__lead { margin-inline: auto; }
  .hero__ctas { justify-content: center; }
  .hero__art { max-width: 360px; margin-inline: auto; }
  .split { grid-template-columns: 1fr; gap: var(--sp-6); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .vm-grid { grid-template-columns: 1fr; }
  .site-footer .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  h1 { font-size: clamp(2rem, 7vw, 2.75rem); }
  h2 { font-size: clamp(1.6rem, 5vw, 2.1rem); }
  .form__row { grid-template-columns: 1fr; }
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }

  .nav__toggle { display: inline-flex; }
  .nav__cta { display: none; }
  .nav__links {
    position: absolute; left: 0; right: 0; top: 100%;
    background: #fff;
    border-top: 1px solid var(--c-line);
    flex-direction: column; align-items: stretch;
    padding: var(--sp-3);
    gap: var(--sp-1);
    transform-origin: top;
    transform: scaleY(0);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--t-med) var(--ease), opacity var(--t-fast) var(--ease);
  }
  .nav__links.is-open { transform: scaleY(1); opacity: 1; pointer-events: auto; }
  .nav__links a { padding: var(--sp-4); border-radius: var(--radius-sm); }
  .site-footer .footer-grid { grid-template-columns: 1fr; }
  .site-footer__bottom { flex-direction: column; align-items: flex-start; }
}

/* ---------- 16. Utilities ---------- */
.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;
}
.text-center { text-align: center; }
.mt-6 { margin-top: var(--sp-6); }
.mt-8 { margin-top: var(--sp-8); }