/* HackMiami.org — shared design system */

:root {
  --color-bg: #f7f8fa;
  --color-bg-alt: #ffffff;
  --color-surface: #ffffff;
  --color-border: #e2e5ea;
  --color-text: #1a1f2b;
  --color-text-muted: #566072;
  --color-primary: #ff8735;
  --color-primary-dark: #d9691f;
  --color-primary-contrast: #0b0b0b;
  --color-accent: #ff8735;
  --color-header-bg: #000000;
  --color-header-text: #ffffff;
  --color-header-text-muted: #d9d9d9;
  --shadow-card: 0 1px 2px rgba(16, 24, 40, 0.06), 0 1px 3px rgba(16, 24, 40, 0.08);
  --radius: 10px;
  --max-width: 1120px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #000000;
    --color-bg-alt: #0b0b0b;
    --color-surface: #0b0b0b;
    --color-border: #1a1a1a;
    --color-text: #ffffff;
    --color-text-muted: #d9d9d9;
    --color-primary: #ff8735;
    --color-primary-dark: #ffa15c;
    --color-primary-contrast: #0b0b0b;
    --color-accent: #ff8735;
    --color-header-bg: #000000;
    --color-header-text: #ffffff;
    --color-header-text-muted: #8a8a8a;
    --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.4), 0 2px 6px rgba(0, 0, 0, 0.35);
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header / nav */

.site-header {
  background: var(--color-header-bg);
  color: var(--color-header-text);
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-header-text);
  letter-spacing: 0.02em;
}

.brand:hover {
  text-decoration: none;
  color: var(--color-header-text);
}

.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: contain;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--color-header-text-muted);
  font-weight: 500;
  font-size: 0.95rem;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--color-header-text);
  text-decoration: none;
}

.nav-cta {
  background: var(--color-primary);
  color: var(--color-primary-contrast) !important;
  padding: 8px 16px;
  border-radius: 999px;
  font-weight: 600 !important;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 8px;
  color: var(--color-header-text);
  padding: 8px 10px;
  font-size: 1.1rem;
  cursor: pointer;
}

@media (max-width: 800px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--color-header-bg);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 24px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    display: none;
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links li {
    width: 100%;
  }

  .nav-links a {
    display: block;
    padding: 12px 0;
    width: 100%;
  }

  .nav-cta {
    display: inline-block;
    margin-top: 6px;
  }
}

/* Hero */

.hero {
  background: linear-gradient(180deg, var(--color-header-bg) 0%, var(--color-header-bg) 60%, var(--color-bg) 100%);
  color: var(--color-header-text);
  padding: 72px 0 88px;
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin: 0 0 16px;
  line-height: 1.1;
}

.hero p {
  color: var(--color-header-text-muted);
  font-size: 1.15rem;
  max-width: 640px;
  margin: 0 0 28px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-primary-contrast);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
}

.btn-ghost {
  background: transparent;
  color: var(--color-header-text);
  border-color: rgba(255, 255, 255, 0.3);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
}

/* Sections */

.section {
  padding: 64px 0;
}

.section-alt {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.section-header h2 {
  font-size: 1.6rem;
  margin: 0;
}

.section-header .section-lede {
  color: var(--color-text-muted);
  margin: 6px 0 0;
  max-width: 600px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 10px;
}

/* Cards / grids */

.grid {
  display: grid;
  gap: 20px;
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-card);
}

.card h3 {
  margin: 0 0 8px;
  font-size: 1.1rem;
}

.card p {
  color: var(--color-text-muted);
  margin: 0;
  font-size: 0.95rem;
}

/* Event cards */

.event-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px 22px;
  box-shadow: var(--shadow-card);
  display: flex;
  gap: 18px;
  align-items: flex-start;
}

.event-date {
  flex: 0 0 auto;
  width: 64px;
  text-align: center;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 8px 4px;
}

.event-date .month {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.event-date .day {
  display: block;
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.1;
}

.event-date .year {
  display: block;
  font-size: 0.72rem;
  color: var(--color-text-muted);
}

.event-body h3 {
  margin: 0 0 6px;
  font-size: 1.05rem;
}

.event-meta {
  color: var(--color-text-muted);
  font-size: 0.88rem;
  margin: 0 0 8px;
}

.event-desc {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  white-space: pre-line;
}

.event-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 2px 8px;
  border-radius: 999px;
  margin-bottom: 8px;
}

.event-badge.upcoming {
  background: rgba(255, 135, 53, 0.15);
  color: var(--color-primary-dark);
}

.event-badge.past {
  background: rgba(102, 112, 133, 0.15);
  color: var(--color-text-muted);
}

.event-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.state-message {
  padding: 28px;
  text-align: center;
  color: var(--color-text-muted);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
}

.state-message.is-error a {
  font-weight: 600;
}

/* Pagination */

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  margin-top: 32px;
}

.pagination .btn {
  padding: 10px 20px;
}

.pagination .page-status {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  min-width: 90px;
  text-align: center;
}

/* Timeline (About page) */

.timeline {
  position: relative;
  border-left: 2px solid var(--color-border);
  margin-left: 8px;
  padding-left: 28px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.timeline-item {
  position: relative;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -34px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 2px solid var(--color-bg);
  box-shadow: 0 0 0 2px var(--color-border);
}

.timeline-year {
  font-weight: 700;
  color: var(--color-primary);
  font-size: 0.95rem;
  margin: 0 0 4px;
}

.timeline-item h3 {
  margin: 0 0 6px;
  font-size: 1.05rem;
}

.timeline-item p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* Services */

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.service-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(255, 135, 53, 0.14);
  color: var(--color-primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-family: "Consolas", "SFMono-Regular", monospace;
}

.service-card h3 {
  margin: 0;
  font-size: 1.15rem;
}

.service-card p {
  color: var(--color-text-muted);
  margin: 0;
  font-size: 0.95rem;
  flex-grow: 1;
}

/* CTA band */

.cta-band {
  background: var(--color-primary);
  color: var(--color-primary-contrast);
  border-radius: var(--radius);
  padding: 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.cta-band h2 {
  margin: 0 0 6px;
  font-size: 1.4rem;
}

.cta-band p {
  margin: 0;
  opacity: 0.9;
}

.cta-band .btn-primary {
  background: #fff;
  color: var(--color-primary-dark);
}

.cta-band .btn-primary:hover {
  background: #eef1f6;
}

/* Footer */

.site-footer {
  background: var(--color-header-bg);
  color: var(--color-header-text-muted);
  padding: 40px 0 28px;
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  margin-bottom: 24px;
}

.footer-grid h4 {
  color: var(--color-header-text);
  margin: 0 0 10px;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-grid a {
  color: var(--color-header-text-muted);
}

.footer-grid a:hover {
  color: var(--color-header-text);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

/* Utility */

.text-center {
  text-align: center;
}

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }