/* -------------------------------------------------
   CROX 2026
   Main stylesheet
-------------------------------------------------- */

:root {
  --background: #f5f2ea;
  --surface: #ebe7dc;
  --text: #171717;
  --muted: #68655e;
  --dark: #111716;
  --light: #ffffff;
  --border: rgba(23, 23, 23, 0.16);

  --max-width: 1180px;
  --section-space: 120px;
}


/* RESET */

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;

  font-family:
    Inter,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Helvetica,
    Arial,
    sans-serif;

  background: var(--background);
  color: var(--text);

  font-size: 17px;
  line-height: 1.65;
}

img {
  max-width: 100%;
}

a {
  color: inherit;
}


/* NAVIGATION */

.site-nav {
  position: absolute;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;

  max-width: var(--max-width);
  margin: 0 auto;
  padding: 28px 30px;

  display: flex;
  align-items: center;
  justify-content: space-between;

  color: white;
}

.nav-brand {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.12em;

  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 28px;
}

.nav-links a {
  text-decoration: none;
  font-size: 0.9rem;
  opacity: 0.85;

  transition: opacity 0.2s ease;
}

.nav-links a:hover {
  opacity: 1;
}


/* HERO */

.hero {
  position: relative;

  min-height: 100vh;

  display: flex;
  align-items: center;
  justify-content: center;

  padding: 130px 30px 100px;

  overflow: hidden;

  color: white;
  text-align: center;
}

.hero-video {
  position: absolute;
  inset: 0;

  overflow: hidden;

  z-index: -3;
}

.hero-video iframe {
  position: absolute;
  top: 50%;
  left: 50%;

  width: 177.78vh;
  min-width: 100%;
  height: 56.25vw;
  min-height: 100%;

  transform: translate(-50%, -50%);

  pointer-events: none;
}

.hero-overlay {
  position: absolute;
  inset: 0;

  background:
    linear-gradient(
      180deg,
      rgba(10, 15, 15, 0.25) 0%,
      rgba(10, 15, 15, 0.48) 45%,
      rgba(10, 15, 15, 0.72) 100%
    );

  z-index: -2;
}

.hero-content {
  width: 100%;
  max-width: 1000px;
}

.hero-logo {
  display: block;
  width: min(430px, 70vw);
  max-height: 190px;
  object-fit: contain;

  margin: 0 auto 32px;
  padding: 18px 22px;

  background: white;
  border-radius: 12px;

  box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.eyebrow {
  margin: 0 0 26px;

  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.22em;

  text-transform: uppercase;
  opacity: 0.88;
}

.hero h1 {
  max-width: 1100px;
  margin: 0 auto;

  font-size: clamp(2.8rem, 6vw, 5.7rem);
  line-height: 0.98;
  letter-spacing: -0.05em;
  font-weight: 600;
}

.hero-date {
  margin: 34px 0 0;

  font-size: clamp(1.1rem, 2vw, 1.35rem);
}

.hero-buttons {
  margin-top: 42px;

  display: flex;
  justify-content: center;
  flex-wrap: wrap;

  gap: 12px;
}

.button {
  display: inline-block;

  padding: 13px 23px;

  border-radius: 999px;

  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;

  transition:
    background 0.2s ease,
    color 0.2s ease,
    transform 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-light {
  background: white;
  color: #111;
  border: 1px solid white;
}

.button-outline {
  border: 1px solid rgba(255, 255, 255, 0.65);
  color: white;
}

.button-outline:hover {
  background: white;
  color: #111;
}

.scroll-cue {
  position: absolute;
  bottom: 28px;

  color: white;
  text-decoration: none;

  font-size: 1.4rem;
  opacity: 0.75;
}


/* MAIN SECTIONS */

.section {
  max-width: var(--max-width);

  margin: 0 auto;
  padding: var(--section-space) 30px;
}

.section-label {
  margin: 0 0 20px;

  text-transform: uppercase;
  letter-spacing: 0.17em;

  font-size: 0.75rem;
  font-weight: 700;

  color: var(--muted);
}

.section h2 {
  max-width: 850px;

  margin: 0 0 55px;

  font-size: clamp(2.4rem, 5vw, 4.8rem);
  line-height: 1.04;
  letter-spacing: -0.045em;

  font-weight: 550;
}

.section h3 {
  font-size: 1.35rem;
  line-height: 1.25;
}


/* INTRO */

.intro-section {
  padding-top: 145px;
}

.two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;

  gap: 90px;
}

.lead {
  margin-top: 0;

  font-size: clamp(1.5rem, 2.5vw, 2.15rem);
  line-height: 1.35;

  letter-spacing: -0.025em;
}


/* ORGANISER CARDS */

.soft-section {
  max-width: none;

  padding-left: max(30px, calc((100vw - var(--max-width)) / 2 + 30px));
  padding-right: max(30px, calc((100vw - var(--max-width)) / 2 + 30px));

  background: var(--surface);
}

.soft-section > * {
  max-width: var(--max-width);
}

.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;

  gap: 20px;
}

.info-card {
  position: relative;

  min-height: 270px;

  padding: 36px;

  border: 1px solid var(--border);
  border-radius: 20px;

  background: rgba(255,255,255,0.25);
}

.info-card h3 {
  margin-top: 55px;
  margin-bottom: 14px;
}

.card-number {
  position: absolute;
  top: 30px;
  right: 32px;

  color: var(--muted);

  font-size: 0.8rem;
}

.small-text {
  color: var(--muted);
  font-size: 0.9rem;
}

.organiser-note {
  max-width: 850px;
  margin-top: 30px;
}

.organiser-grid {
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 900px) {
  .organiser-grid {
    grid-template-columns: 1fr;
  }
}


/* PROGRAMME */

.section-heading-row {
  display: flex;
  justify-content: space-between;
  align-items: end;

  gap: 30px;

  margin-bottom: 55px;
}

.section-heading-row h2 {
  margin-bottom: 0;
}

.text-link {
  white-space: nowrap;

  text-decoration: none;

  border-bottom: 1px solid currentColor;
}

.day-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;

  gap: 20px;
}

.day-card {
  padding: 36px;

  border-top: 1px solid var(--text);
}

.day-number {
  margin: 0 0 50px;

  text-transform: uppercase;
  letter-spacing: 0.14em;

  font-size: 0.75rem;
}

.day-card h3 {
  max-width: 420px;

  margin: 0 0 10px;

  font-size: clamp(1.7rem, 3vw, 2.7rem);
  letter-spacing: -0.035em;
}

.day-time {
  color: var(--muted);
}


/* VENUE */

.dark-section {
  max-width: none;

  padding-left: max(30px, calc((100vw - var(--max-width)) / 2 + 30px));
  padding-right: max(30px, calc((100vw - var(--max-width)) / 2 + 30px));

  background: var(--dark);
  color: white;
}

.dark-section > * {
  max-width: var(--max-width);
}

.section-label-light {
  color: rgba(255,255,255,0.6);
}

.venue-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;

  gap: 100px;
}

.venue-layout h3 {
  margin-top: 0;

  font-size: clamp(1.7rem, 3vw, 2.7rem);
  letter-spacing: -0.03em;
}

.venue-highlight {
  margin-top: 0;

  font-size: clamp(1.4rem, 2.5vw, 2rem);
  line-height: 1.4;
}


/* PRACTICAL */

.practical-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);

  gap: 20px;
}

.practical-grid article {
  padding-top: 24px;

  border-top: 1px solid var(--border);
}


/* CONTACT */

.contact-section {
  text-align: center;

  padding-bottom: 150px;
}

.contact-section h2 {
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 25px;
}

.contact-email {
  display: inline-block;

  margin-top: 20px;

  font-size: clamp(1.5rem, 4vw, 3rem);
  font-weight: 500;
  letter-spacing: -0.03em;

  text-decoration-thickness: 1px;
  text-underline-offset: 8px;
}


/* FOOTER */

.site-footer {
  padding: 35px 30px;

  display: flex;
  justify-content: space-between;

  gap: 30px;

  border-top: 1px solid var(--border);

  font-size: 0.85rem;
  color: var(--muted);
}


/* PROGRAMME PAGE */

.page-header {
  padding: 155px 30px 90px;

  background: var(--dark);
  color: white;
}

.page-header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.page-header h1 {
  max-width: 900px;

  margin: 15px 0 20px;

  font-size: clamp(3rem, 7vw, 6rem);
  line-height: 1;

  letter-spacing: -0.055em;
  font-weight: 550;
}

.page-header p {
  font-size: 1.2rem;
}

.page-nav {
  position: absolute;
  color: white;
}

.schedule-day {
  margin-bottom: 100px;
}

.schedule-day h2 {
  margin-bottom: 35px;
}

.schedule-row {
  display: grid;

  grid-template-columns: 170px 1fr;

  gap: 35px;

  padding: 22px 0;

  border-top: 1px solid var(--border);
}

.schedule-time {
  font-weight: 600;
}

.schedule-title {
  font-size: 1.05rem;
}

.schedule-note {
  margin-top: 4px;

  color: var(--muted);
  font-size: 0.9rem;
}


/* MOBILE */

@media (max-width: 800px) {

  :root {
    --section-space: 80px;
  }

  body {
    font-size: 16px;
  }

  .site-nav {
    padding: 22px 20px;
  }

  .nav-links {
    gap: 15px;
  }

  .nav-links a:nth-child(3),
  .nav-links a:nth-child(4) {
    display: none;
  }

  .hero {
    padding-left: 20px;
    padding-right: 20px;
  }

  .hero h1 br {
    display: none;
  }

  .section {
    padding-left: 20px;
    padding-right: 20px;
  }

  .soft-section,
  .dark-section {
    padding-left: 20px;
    padding-right: 20px;
  }

  .two-column,
  .info-grid,
  .day-grid,
  .venue-layout,
  .practical-grid {
    grid-template-columns: 1fr;
  }

  .two-column,
  .venue-layout {
    gap: 35px;
  }

  .section-heading-row {
    display: block;
  }

  .text-link {
    display: inline-block;
    margin-top: 20px;
  }

  .schedule-row {
    grid-template-columns: 1fr;

    gap: 5px;
  }

  .site-footer {
    display: block;
  }

  .site-footer > div + div {
    margin-top: 15px;
  }
}