/*
Theme Name: UniVibe
Theme URI: https://univibe.example
Author: UniVibe Association
Description: Bold, light-mode theme for university associations organizing parties and sports events. Two main categories (Parties, Sports), announcements section, and a built-in collaborate form.
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: univibe
Tags: education, light, two-columns, custom-menu, featured-images
*/

/* ===========================
   DESIGN TOKENS
   =========================== */
:root {
  --radius: 0.75rem;
  --background: oklch(0.985 0.005 90);
  --foreground: oklch(0.18 0.03 280);
  --card: #ffffff;
  --muted: oklch(0.95 0.01 90);
  --muted-foreground: oklch(0.45 0.03 280);
  --primary: oklch(0.62 0.25 330);
  --secondary: oklch(0.65 0.18 230);
  --party: oklch(0.6 0.27 340);
  --sport: oklch(0.55 0.2 230);
  --border: oklch(0.9 0.01 280);

  --gradient-hero: linear-gradient(135deg, oklch(0.65 0.27 340) 0%, oklch(0.55 0.25 300) 50%, oklch(0.6 0.22 230) 100%);
  --gradient-party: linear-gradient(135deg, oklch(0.65 0.27 340) 0%, oklch(0.55 0.23 310) 100%);
  --gradient-sport: linear-gradient(135deg, oklch(0.65 0.2 220) 0%, oklch(0.5 0.22 260) 100%);
  --gradient-text: linear-gradient(90deg, oklch(0.6 0.27 340), oklch(0.55 0.22 250));

  --shadow-glow-party: 0 25px 60px -20px oklch(0.6 0.27 340 / 0.45);
  --shadow-glow-sport: 0 25px 60px -20px oklch(0.55 0.2 230 / 0.45);
  --shadow-elevated: 0 30px 80px -25px oklch(0.4 0.1 280 / 0.25);
}

/* ===========================
   RESET / BASE
   =========================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background-color: var(--background);
  color: var(--foreground);
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  background-image:
    radial-gradient(ellipse at 10% 0%, oklch(0.65 0.27 340 / 0.12), transparent 55%),
    radial-gradient(ellipse at 90% 100%, oklch(0.6 0.22 230 / 0.12), transparent 55%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 {
  font-family: "Space Grotesk", system-ui, sans-serif;
  letter-spacing: -0.02em;
  margin: 0;
  font-weight: 700;
  line-height: 1.05;
}
p { margin: 0; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button { font: inherit; cursor: pointer; border: none; background: none; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }

.text-gradient {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.mono-eyebrow {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--muted-foreground);
}

/* ===========================
   HEADER
   =========================== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(16px);
  background: color-mix(in oklab, var(--background) 60%, transparent);
  border-bottom: 1px solid var(--border);
}
.site-header__inner {
  max-width: 1200px; margin: 0 auto;
  padding: 0 1.5rem; height: 64px;
  display: flex; align-items: center; justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 0.5rem; font-family: "Space Grotesk", sans-serif; font-weight: 700; font-size: 1.125rem; }
.brand__mark { width: 28px; height: 28px; border-radius: 6px; background: var(--gradient-hero); }
.main-nav { display: none; gap: 2rem; font-size: 0.875rem; font-weight: 500; }
.main-nav a { transition: color .2s; }
.main-nav a:hover, .main-nav .current-menu-item a { color: var(--primary); }
.cta-pill {
  display: inline-flex; align-items: center; padding: 0.5rem 1rem;
  border-radius: 999px; font-size: 0.875rem; font-weight: 600;
  background: var(--foreground); color: var(--background);
  transition: all .2s;
}
.cta-pill:hover { background: var(--primary); color: white; }
@media (min-width: 768px) { .main-nav { display: flex; } }

/* ===========================
   HERO
   =========================== */
.hero { position: relative; overflow: hidden; }
.hero__bg { position: absolute; inset: 0; z-index: -1; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; opacity: .25; }
.hero__bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(to bottom,
    color-mix(in oklab, var(--background) 70%, transparent),
    color-mix(in oklab, var(--background) 85%, transparent),
    var(--background));
}
.hero__inner { padding: 6rem 1.5rem 8rem; max-width: 1200px; margin: 0 auto; position: relative; }
.hero__chip {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.25rem 0.75rem; border-radius: 999px;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--background) 40%, transparent);
  backdrop-filter: blur(8px);
}
.hero__chip-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--primary); animation: pulse-glow 4s ease-in-out infinite;
}
.hero h1 {
  font-size: clamp(3rem, 8vw, 6rem);
  margin-top: 1.5rem; max-width: 60rem;
}
.hero__lede { margin-top: 2rem; font-size: 1.125rem; color: var(--muted-foreground); max-width: 32rem; }
.hero__ctas { margin-top: 2.5rem; display: flex; flex-wrap: wrap; gap: 1rem; }
.btn-primary {
  padding: 1rem 1.75rem; border-radius: 999px; font-weight: 600;
  background: var(--gradient-hero); color: white;
  box-shadow: var(--shadow-glow-party);
  transition: transform .2s;
}
.btn-primary:hover { transform: scale(1.03); }
.btn-secondary {
  padding: 1rem 1.75rem; border-radius: 999px; font-weight: 600;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--background) 40%, transparent);
  backdrop-filter: blur(8px);
  transition: all .2s;
}
.btn-secondary:hover { color: var(--secondary); border-color: var(--secondary); }
@media (min-width: 768px) { .hero__inner { padding: 9rem 1.5rem 11rem; } }

/* ===========================
   CATEGORY CARDS
   =========================== */
.cards { max-width: 1200px; margin: -5rem auto 0; padding: 0 1.5rem; position: relative; z-index: 10; }
.cards__grid { display: grid; gap: 1.5rem; }
@media (min-width: 768px) { .cards__grid { grid-template-columns: 1fr 1fr; } }
.cat-card {
  position: relative; overflow: hidden; border-radius: 1.5rem;
  border: 1px solid var(--border); background: var(--card);
  aspect-ratio: 4/5;
  transition: transform .2s;
  display: block;
}
@media (min-width: 768px) { .cat-card { aspect-ratio: 5/6; } }
.cat-card:hover { transform: scale(1.01); }
.cat-card--party { box-shadow: var(--shadow-glow-party); }
.cat-card--sport { box-shadow: var(--shadow-glow-sport); }
.cat-card__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .7s; }
.cat-card:hover .cat-card__img { transform: scale(1.05); }
.cat-card__tint { position: absolute; inset: 0; opacity: .8; mix-blend-mode: multiply; }
.cat-card--party .cat-card__tint { background: var(--gradient-party); }
.cat-card--sport .cat-card__tint { background: var(--gradient-sport); }
.cat-card__overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,.7), rgba(0,0,0,.2), transparent); }
.cat-card__content { position: relative; height: 100%; display: flex; flex-direction: column; justify-content: flex-end; padding: 2rem; color: white; }
.cat-card__label { font-family: "JetBrains Mono", monospace; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.3em; opacity: .9; }
.cat-card__title { margin-top: 0.75rem; font-size: clamp(2rem, 5vw, 3.5rem); }
.cat-card__desc { margin-top: 1rem; max-width: 24rem; opacity: .9; }
.cat-card__cta { margin-top: 1.5rem; font-weight: 600; display: inline-flex; align-items: center; gap: 0.5rem; }

/* ===========================
   ANNOUNCEMENTS
   =========================== */
.section { max-width: 1200px; margin: 8rem auto 0; padding: 0 1.5rem; scroll-margin-top: 5rem; }
.section__head { display: flex; align-items: flex-end; justify-content: space-between; flex-wrap: wrap; gap: 1rem; margin-bottom: 3rem; }
.section__title { font-size: clamp(2rem, 5vw, 3rem); margin-top: 0.5rem; }
.section__link { font-size: 0.875rem; font-weight: 600; color: var(--muted-foreground); }
.section__link:hover { color: var(--primary); }

.announcement-list { display: grid; gap: 1rem; }
.announcement {
  display: flex; flex-direction: column; gap: 1.5rem;
  padding: 1.5rem; border-radius: 1rem;
  background: var(--card); border: 1px solid var(--border);
  transition: border-color .2s;
}
@media (min-width: 768px) { .announcement { flex-direction: row; align-items: center; padding: 2rem; } }
.announcement:hover { border-color: color-mix(in oklab, var(--primary) 60%, transparent); }
.announcement__date {
  flex-shrink: 0; width: 80px; height: 80px; border-radius: 0.75rem;
  background: var(--muted);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  font-family: "Space Grotesk", sans-serif;
}
.announcement__day { font-size: 1.5rem; font-weight: 700; line-height: 1; }
.announcement__month { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.2em; color: var(--muted-foreground); margin-top: 0.25rem; }
.announcement__body { flex: 1; }
.announcement__tag {
  display: inline-block; font-size: 0.75rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.2em;
  padding: 0.25rem 0.5rem; border-radius: 4px;
}
.tag--party { background: color-mix(in oklab, var(--party) 20%, transparent); color: var(--party); }
.tag--sport { background: color-mix(in oklab, var(--sport) 20%, transparent); color: var(--sport); }
.announcement__title { margin-top: 0.5rem; font-size: 1.5rem; transition: color .2s; }
.announcement:hover .announcement__title { color: var(--primary); }
.announcement__desc { margin-top: 0.25rem; color: var(--muted-foreground); }

/* ===========================
   COLLABORATE
   =========================== */
.collab { display: grid; gap: 3rem; }
@media (min-width: 768px) { .collab { grid-template-columns: 1fr 1fr; align-items: start; } }
.collab__title { font-size: clamp(2.5rem, 6vw, 4rem); }
.collab__lede { margin-top: 1.5rem; font-size: 1.125rem; color: var(--muted-foreground); max-width: 28rem; }
.stats { margin-top: 2.5rem; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; max-width: 28rem; }
.stat { padding: 1rem; border-radius: 0.75rem; border: 1px solid var(--border); background: var(--card); }
.stat__num { font-family: "Space Grotesk", sans-serif; font-size: 1.5rem; font-weight: 700; background: var(--gradient-text); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat__label { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.2em; color: var(--muted-foreground); margin-top: 0.25rem; }

.form-card {
  padding: 2rem; border-radius: 1.5rem;
  background: var(--card); border: 1px solid var(--border);
  box-shadow: var(--shadow-elevated);
}
.form-row { display: grid; gap: 1rem; margin-bottom: 1rem; }
@media (min-width: 600px) { .form-row--two { grid-template-columns: 1fr 1fr; } }
.field label { display: block; font-size: 0.875rem; font-weight: 500; margin-bottom: 0.5rem; }
.field input, .field select, .field textarea {
  width: 100%; padding: 0.75rem 1rem;
  border-radius: 0.5rem; border: 1px solid var(--border);
  background: oklch(0.97 0.005 90); font: inherit; color: inherit;
  transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--primary) 20%, transparent);
}
.field textarea { min-height: 120px; resize: vertical; }
.form-submit {
  width: 100%; padding: 0.875rem 1.5rem; border-radius: 999px;
  font-weight: 600; background: var(--gradient-hero); color: white;
  transition: transform .2s;
}
.form-submit:hover { transform: scale(1.02); }
.form-notice { margin-bottom: 1rem; padding: 0.75rem 1rem; border-radius: 0.5rem; font-size: 0.875rem; }
.form-notice--ok { background: color-mix(in oklab, var(--sport) 15%, transparent); color: var(--sport); }
.form-notice--err { background: color-mix(in oklab, oklch(0.6 0.25 25) 15%, transparent); color: oklch(0.6 0.25 25); }

/* ===========================
   ARCHIVE / EVENT GRID
   =========================== */
.archive-hero { position: relative; overflow: hidden; }
.archive-hero__bg { position: absolute; inset: 0; z-index: -1; }
.archive-hero__bg img { width: 100%; height: 100%; object-fit: cover; opacity: .2; }
.archive-hero__bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to bottom, color-mix(in oklab, var(--background) 70%, transparent), color-mix(in oklab, var(--background) 85%, transparent), var(--background)); }
.archive-hero__inner { padding: 6rem 1.5rem; max-width: 1200px; margin: 0 auto; }
.archive-hero h1 { font-size: clamp(3rem, 8vw, 6rem); max-width: 50rem; margin-top: 0.75rem; }
.archive-hero p { margin-top: 1.5rem; font-size: 1.125rem; color: var(--muted-foreground); max-width: 40rem; }

.event-grid { max-width: 1200px; margin: 3rem auto 0; padding: 0 1.5rem; display: grid; gap: 1.5rem; }
.event-grid--2 { grid-template-columns: 1fr; }
.event-grid--3 { grid-template-columns: 1fr; }
@media (min-width: 768px) {
  .event-grid--2 { grid-template-columns: 1fr 1fr; }
  .event-grid--3 { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1024px) { .event-grid--3 { grid-template-columns: 1fr 1fr 1fr; } }

.event-card {
  padding: 2rem; border-radius: 1.5rem;
  background: var(--card); border: 1px solid var(--border);
  transition: all .2s;
  display: flex; flex-direction: column;
}
.event-card--party:hover { border-color: color-mix(in oklab, var(--party) 60%, transparent); box-shadow: var(--shadow-glow-party); }
.event-card--sport:hover { border-color: color-mix(in oklab, var(--sport) 60%, transparent); box-shadow: var(--shadow-glow-sport); }
.event-card__head { display: flex; justify-content: space-between; gap: 1rem; align-items: flex-start; }
.event-card__date { font-family: "JetBrains Mono", monospace; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.2em; }
.event-card--party .event-card__date { color: var(--party); }
.event-card--sport .event-card__date { color: var(--sport); }
.event-card__title { margin-top: 0.5rem; font-size: 1.75rem; }
.event-card__meta { margin-top: 0.25rem; font-size: 0.875rem; color: var(--muted-foreground); }
.event-card__pill { padding: 0.25rem 0.75rem; border-radius: 999px; font-size: 0.875rem; font-weight: 700; background: color-mix(in oklab, var(--party) 20%, transparent); color: var(--party); }
.event-card__desc { margin-top: 1.5rem; color: var(--muted-foreground); flex: 1; }
.event-card__cta {
  margin-top: 1.5rem; padding: 0.75rem 1.25rem; border-radius: 999px;
  font-weight: 600; align-self: flex-start;
  background: var(--gradient-party); color: white;
  transition: transform .2s;
}
.event-card--sport .event-card__cta { background: var(--gradient-sport); }
.event-card__cta:hover { transform: scale(1.03); }

/* ===========================
   SINGLE POST
   =========================== */
.single-article { max-width: 800px; margin: 4rem auto; padding: 0 1.5rem; }
.single-article h1 { font-size: clamp(2.5rem, 6vw, 4rem); }
.single-article__meta { margin-top: 1rem; color: var(--muted-foreground); font-size: 0.875rem; }
.single-article__featured { margin-top: 2rem; border-radius: 1.5rem; overflow: hidden; }
.single-article__featured img { width: 100%; height: auto; }
.single-article__content { margin-top: 2rem; font-size: 1.125rem; line-height: 1.8; }
.single-article__content p { margin: 1rem 0; }
.single-article__content h2, .single-article__content h3 { margin-top: 2rem; margin-bottom: 0.5rem; }
.single-article__content a { color: var(--primary); text-decoration: underline; }

/* ===========================
   FOOTER
   =========================== */
.site-footer { margin-top: 8rem; border-top: 1px solid var(--border); background: color-mix(in oklab, var(--background) 60%, transparent); backdrop-filter: blur(12px); }
.site-footer__inner { max-width: 1200px; margin: 0 auto; padding: 4rem 1.5rem; display: grid; gap: 3rem; }
@media (min-width: 768px) { .site-footer__inner { grid-template-columns: 2fr 1fr 1fr; } }
.site-footer h4 { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.2em; color: var(--muted-foreground); margin-bottom: 1rem; font-family: "Inter", sans-serif; font-weight: 600; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.5rem; font-size: 0.875rem; }
.site-footer a:hover { color: var(--primary); }
.site-footer__bottom { border-top: 1px solid var(--border); padding: 1.5rem; text-align: center; font-size: 0.75rem; color: var(--muted-foreground); }

/* ===========================
   ANIMATIONS
   =========================== */
@keyframes pulse-glow {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.9; }
}