/* styles.css – 0xClub 3D Website */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  --bg: #030305;
  --bg-elevated: #0a0a0f;
  --accent: #FFDE21;
  --accent-glow: rgba(255, 222, 33, 0.35);
  --purple: #a855f7;
  --purple-glow: rgba(168, 85, 247, 0.3);
  --cyan: #22d3ee;
  --cyan-glow: rgba(34, 211, 238, 0.3);
  --text: #e8e8ec;
  --text-dim: #7a7a8a;
  --card-bg: rgba(255, 255, 255, 0.035);
  --card-border: rgba(255, 255, 255, 0.07);
  --font-heading: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
}

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background:
    radial-gradient(circle, rgba(255, 255, 255, 0.07) 1px, transparent 1px),
    var(--bg);
  background-size: 40px 40px;
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: hidden;
  line-height: 1.6;
}

/* ─── 3D Background ─── */
#bg-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* ─── Dot Grid Overlay ─── */
.dot-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.09) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* ─── Navigation ─── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 3rem;
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  background: rgba(3, 3, 5, 0.6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  transition: background 0.3s ease;
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.5px;
}

.nav-logo span {
  color: var(--accent);
}

.nav-cta {
  padding: 0.55rem 1.5rem;
  background: transparent;
  color: var(--accent);
  border: 1px solid rgba(255, 222, 33, 0.3);
  border-radius: 100px;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}

.nav-cta:hover {
  background: rgba(255, 222, 33, 0.1);
  border-color: var(--accent);
  box-shadow: 0 0 20px rgba(255, 222, 33, 0.15);
}

/* ─── Sections base ─── */
.section {
  position: relative;
  z-index: 1;
  padding: 8rem 0;
}

.section-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 4px;
  color: var(--accent);
  margin-bottom: 1rem;
  opacity: 0.8;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -1.5px;
  line-height: 1.15;
  margin-bottom: 2.5rem;
}

.accent {
  color: var(--accent);
}

/* ─── Hero ─── */
.hero {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 6rem 2rem 4rem;
}

.hero-inner {
  max-width: 750px;
  margin: 0 auto;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  padding: 0.4rem 1.2rem;
  border: 1px solid rgba(255, 222, 33, 0.25);
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(255, 222, 33, 0.05);
  margin-bottom: 2rem;
  opacity: 0;
  animation: fadeUp 0.8s 0.2s ease forwards;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(5rem, 18vw, 12rem);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: -5px;
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeUp 0.8s 0.4s ease forwards;
}

.hero-title .line {
  display: inline-block;
}

.hero-title .accent {
  text-shadow: 0 0 80px var(--accent-glow), 0 0 160px rgba(255, 222, 33, 0.1);
}

.hero-desc {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: var(--text-dim);
  line-height: 1.8;
  max-width: 550px;
  margin: 0 auto 2.5rem;
  opacity: 0;
  animation: fadeUp 0.8s 0.6s ease forwards;
}

.hero-cta-row {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.8s 0.8s ease forwards;
}

.btn-primary {
  padding: 0.9rem 2.2rem;
  background: var(--accent);
  color: var(--bg);
  border: none;
  border-radius: 100px;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  box-shadow: 0 4px 30px rgba(255, 222, 33, 0.2);
  text-decoration: none;
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 8px 40px rgba(255, 222, 33, 0.35);
}

.btn-ghost {
  padding: 0.9rem 2.2rem;
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--card-border);
  border-radius: 100px;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-ghost:hover {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.04);
}

/* Hero floating shapes */
.hero-shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.07;
}

.shape-ring {
  width: 300px;
  height: 300px;
  border: 2px solid var(--accent);
  top: 15%;
  right: 8%;
  animation: floatSlow 8s ease-in-out infinite;
}

.shape-dot {
  width: 12px;
  height: 12px;
  background: var(--purple);
  bottom: 25%;
  left: 12%;
  animation: floatSlow 6s 1s ease-in-out infinite;
}

.shape-cross {
  width: 180px;
  height: 180px;
  border: 1.5px solid var(--cyan);
  border-radius: 20%;
  bottom: 20%;
  right: 15%;
  animation: rotateSlow 20s linear infinite;
  transform-origin: center;
}

@keyframes floatSlow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-25px); }
}

@keyframes rotateSlow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ─── About ─── */
.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.about-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 2.5rem 2rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
  opacity: 0;
  transform: translateY(30px);
}

.about-card.revealed {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.about-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 222, 33, 0.2);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.about-icon {
  font-size: 2.5rem;
  margin-bottom: 1.2rem;
}

.about-card h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.7rem;
  color: var(--text);
}

.about-card p {
  font-size: 0.95rem;
  color: var(--text-dim);
  line-height: 1.7;
}

/* ─── Events ─── */
.event-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.event-card {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 1.3rem 1.5rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  backdrop-filter: blur(10px);
  transition: transform 0.3s ease, border-color 0.3s ease;
  opacity: 0;
  transform: translateX(-20px);
}

.event-card.revealed {
  opacity: 1;
  transform: translateX(0);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.event-card:hover {
  transform: translateX(6px);
  border-color: rgba(168, 85, 247, 0.3);
}

.event-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--purple);
  flex-shrink: 0;
  box-shadow: 0 0 12px var(--purple-glow);
}

.event-dot.dot-cyan { background: var(--cyan); box-shadow: 0 0 12px var(--cyan-glow); }
.event-dot.dot-gold { background: var(--accent); box-shadow: 0 0 12px var(--accent-glow); }

.event-info {
  flex: 1;
}

.event-info strong {
  display: block;
  font-size: 1rem;
  color: var(--text);
}

.event-info span {
  font-size: 0.85rem;
  color: var(--text-dim);
}

.event-badge {
  padding: 0.3rem 0.8rem;
  background: rgba(168, 85, 247, 0.12);
  border: 1px solid rgba(168, 85, 247, 0.25);
  border-radius: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--purple);
  white-space: nowrap;
}

.badge-cyan {
  background: rgba(34, 211, 238, 0.1);
  border-color: rgba(34, 211, 238, 0.25);
  color: var(--cyan);
}

.badge-gold {
  background: rgba(255, 222, 33, 0.1);
  border-color: rgba(255, 222, 33, 0.25);
  color: var(--accent);
}

/* ─── Projects — Horizontal Scroll ─── */
.projects {
  padding-bottom: 6rem;
}

.projects-hint {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-dim);
  animation: pulseHint 2.5s ease-in-out infinite;
}

.projects-hint svg {
  animation: slideRight 1.5s ease-in-out infinite;
}

@keyframes slideRight {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(5px); }
}

@keyframes pulseHint {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

.projects-track {
  display: flex;
  gap: 2rem;
  padding: 2rem 2rem 2rem calc((100vw - 1100px) / 2 + 2rem);
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
  cursor: grab;
}

.projects-track::-webkit-scrollbar {
  display: none;
}

.projects-track:active {
  cursor: grabbing;
}

/* ─── Project Card ─── */
.project-card {
  flex-shrink: 0;
  width: 380px;
  min-height: 460px;
  padding: 2.5rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 24px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
  scroll-snap-align: start;
  text-decoration: none;
  color: var(--text);
  display: flex;
  flex-direction: column;
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              border-color 0.4s ease,
              box-shadow 0.4s ease;
  transform-style: preserve-3d;
  perspective: 800px;
}

.project-card:hover {
  transform: translateY(-10px) rotateY(3deg) rotateX(-2deg) scale(1.02);
  border-color: rgba(255, 222, 33, 0.3);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5),
              0 0 50px rgba(255, 222, 33, 0.06);
}

.project-card[data-color="purple"]:hover {
  border-color: rgba(168, 85, 247, 0.35);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5),
              0 0 50px rgba(168, 85, 247, 0.08);
}

.project-card[data-color="cyan"]:hover {
  border-color: rgba(34, 211, 238, 0.35);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5),
              0 0 50px rgba(34, 211, 238, 0.08);
}

.project-card[data-color="gold"]:hover {
  border-color: rgba(255, 222, 33, 0.35);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5),
              0 0 50px rgba(255, 222, 33, 0.08);
}

.pc-glow {
  position: absolute;
  top: -80%;
  right: -60%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 60% 40%, var(--purple-glow), transparent 55%);
  opacity: 0.1;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.project-card:hover .pc-glow {
  opacity: 0.2;
}

.glow-cyan {
  background: radial-gradient(circle at 60% 40%, var(--cyan-glow), transparent 55%);
}

.glow-gold {
  background: radial-gradient(circle at 60% 40%, var(--accent-glow), transparent 55%);
}

.pc-number {
  font-family: var(--font-heading);
  font-size: 6rem;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.025);
  position: absolute;
  top: -1rem;
  right: 1rem;
  letter-spacing: -4px;
  user-select: none;
  pointer-events: none;
}

.pc-icon {
  font-size: 2.8rem;
  margin-bottom: 1.5rem;
  filter: saturate(0.8);
}

.pc-title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
  letter-spacing: -0.5px;
}

.pc-desc {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--text-dim);
  flex: 1;
}

.pc-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.pc-tag {
  padding: 0.25rem 0.7rem;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  border-radius: 100px;
  border: 1px solid var(--card-border);
  color: var(--text-dim);
}

.pc-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  transition: gap 0.3s ease;
}

.project-card:hover .pc-link {
  gap: 0.8rem;
}

/* Coming Soon card */
.project-card--coming-soon {
  cursor: default;
  border-style: dashed;
  opacity: 0.6;
}

.project-card--coming-soon:hover {
  transform: translateY(-4px) scale(1.01);
  opacity: 0.75;
}

.pc-link--soon {
  color: var(--purple);
  opacity: 0.7;
}

/* ─── Footer ─── */
.footer {
  position: relative;
  z-index: 1;
  padding: 4rem 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-logo {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-dim);
}

.footer-logo span {
  color: var(--accent);
  opacity: 0.6;
}

.footer-text {
  font-size: 0.85rem;
  color: var(--text-dim);
  opacity: 0.5;
}

/* ─── Keyframes ─── */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
  .nav {
    padding: 1rem 1.5rem;
  }

  .hero {
    padding: 5rem 1.5rem 3rem;
  }

  .hero-title {
    letter-spacing: -3px;
  }

  .section {
    padding: 5rem 0;
  }

  .project-card {
    width: 320px;
    min-height: 420px;
    padding: 2rem;
  }

  .projects-track {
    padding-left: 1.5rem;
    gap: 1.2rem;
  }

  .footer-inner {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: clamp(3.5rem, 20vw, 6rem);
    letter-spacing: -2px;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .project-card {
    width: 290px;
    min-height: 400px;
  }
}