/*
Theme Name: HackZone Cloud
Theme URI: https://hackzone.cloud
Author: HackZone Cloud Team
Author URI: https://hackzone.cloud
Description: Official theme for HackZone Cloud — the platform for hackathons, coding competitions, and tech events.
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: hackzone-cloud
Tags: technology, dark, neon, hackathon, modern, futuristic
*/

/* ─── CSS Variables ─────────────────────────────────────── */
:root {
  --hz-navy:       #050B18;
  --hz-navy2:      #0A1628;
  --hz-navy3:      #0F1F3D;
  --hz-blue:       #1F6FEB;
  --hz-blue-glow:  rgba(31,111,235,0.25);
  --hz-purple:     #6A4CFF;
  --hz-purple-glow:rgba(106,76,255,0.2);
  --hz-cyan:       #00D4FF;
  --hz-white:      #F0F4FF;
  --hz-muted:      #8899BB;
  --hz-border:     rgba(31,111,235,0.2);
  --hz-card-bg:    rgba(255,255,255,0.03);
  --hz-font-head:  'Syne', sans-serif;
  --hz-font-body:  'DM Sans', sans-serif;
  --hz-font-mono:  'JetBrains Mono', monospace;
  --hz-radius:     12px;
  --hz-radius-lg:  20px;
  --hz-transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

/* ─── Reset & Base ──────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background-color: var(--hz-navy);
  color: var(--hz-white);
  font-family: var(--hz-font-body);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: var(--hz-blue); text-decoration: none; transition: color var(--hz-transition); }
a:hover { color: var(--hz-cyan); }

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

h1,h2,h3,h4,h5,h6 {
  font-family: var(--hz-font-head);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

/* ─── Utility ───────────────────────────────────────────── */
.hz-container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }
.hz-section   { padding: 100px 0; }
.hz-text-center { text-align: center; }
.hz-gradient-text {
  background: linear-gradient(135deg, var(--hz-blue), var(--hz-purple), var(--hz-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hz-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--hz-card-bg);
  border: 1px solid var(--hz-border);
  border-radius: 50px;
  padding: 6px 16px;
  font-size: 13px;
  font-family: var(--hz-font-mono);
  color: var(--hz-cyan);
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
}
.hz-badge::before { content:''; width:8px; height:8px; border-radius:50%; background:var(--hz-cyan); animation: pulse 2s infinite; }

@keyframes pulse {
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:0.5;transform:scale(1.3)}
}

/* ─── Buttons ───────────────────────────────────────────── */
.hz-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px;
  border-radius: 8px;
  font-family: var(--hz-font-head);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: all var(--hz-transition);
  border: none;
  text-decoration: none;
}
.hz-btn-primary {
  background: linear-gradient(135deg, var(--hz-blue), var(--hz-purple));
  color: #fff;
  box-shadow: 0 0 30px var(--hz-blue-glow);
}
.hz-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 50px var(--hz-blue-glow), 0 0 20px var(--hz-purple-glow);
  color: #fff;
}
.hz-btn-outline {
  background: transparent;
  color: var(--hz-white);
  border: 1px solid var(--hz-border);
}
.hz-btn-outline:hover {
  border-color: var(--hz-blue);
  background: var(--hz-blue-glow);
  color: var(--hz-white);
  transform: translateY(-2px);
}
.hz-btn-group { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; }

/* ─── Cards ─────────────────────────────────────────────── */
.hz-card {
  background: var(--hz-card-bg);
  border: 1px solid var(--hz-border);
  border-radius: var(--hz-radius-lg);
  padding: 2rem;
  transition: all var(--hz-transition);
  position: relative;
  overflow: hidden;
}
.hz-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--hz-blue), transparent);
  opacity: 0;
  transition: opacity var(--hz-transition);
}
.hz-card:hover { border-color: var(--hz-blue); transform: translateY(-4px); box-shadow: 0 20px 60px rgba(0,0,0,0.4); }
.hz-card:hover::before { opacity: 1; }

.hz-card-icon {
  width: 52px; height: 52px;
  background: linear-gradient(135deg, var(--hz-blue-glow), var(--hz-purple-glow));
  border: 1px solid var(--hz-border);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  margin-bottom: 1.25rem;
}
.hz-card h3 { font-size: 18px; margin-bottom: .5rem; color: var(--hz-white); }
.hz-card p  { color: var(--hz-muted); font-size: 15px; line-height: 1.7; }

/* ─── Grid ──────────────────────────────────────────────── */
.hz-grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px,1fr)); gap: 1.5rem; }
.hz-grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px,1fr)); gap: 1.5rem; }
.hz-grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); gap: 1.25rem; }

/* ─── Section Headers ───────────────────────────────────── */
.hz-section-header { text-align: center; margin-bottom: 4rem; }
.hz-section-header h2 { font-size: clamp(2rem, 5vw, 3rem); margin-bottom: 1rem; }
.hz-section-header p  { color: var(--hz-muted); font-size: 18px; max-width: 600px; margin: 0 auto; }

/* ─── Background Glow Effects ───────────────────────────── */
.hz-glow-bg {
  position: relative;
}
.hz-glow-bg::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--hz-blue-glow) 0%, transparent 70%);
  top: -200px; left: -200px; pointer-events: none; z-index: 0;
}
.hz-glow-bg > * { position: relative; z-index: 1; }

/* ─── Navigation ────────────────────────────────────────── */
#hz-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 1.25rem 0;
  transition: all var(--hz-transition);
}
#hz-nav.scrolled {
  background: rgba(5,11,24,0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--hz-border);
  padding: .75rem 0;
}
.hz-nav-inner { display: flex; align-items: center; justify-content: space-between; }
.hz-logo {
  font-family: var(--hz-font-head);
  font-size: 22px;
  font-weight: 800;
  color: var(--hz-white);
  letter-spacing: -0.03em;
}
.hz-logo span { color: var(--hz-blue); }
.hz-nav-links { display: flex; align-items: center; gap: 2rem; list-style: none; }
.hz-nav-links a { color: var(--hz-muted); font-size: 15px; font-weight: 500; transition: color var(--hz-transition); }
.hz-nav-links a:hover { color: var(--hz-white); }
.hz-nav-cta { display: flex; gap: .75rem; }

/* Mobile nav */
.hz-hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.hz-hamburger span { width: 24px; height: 2px; background: var(--hz-white); border-radius: 2px; transition: all .3s; }

/* ─── Footer ────────────────────────────────────────────── */
#hz-footer {
  background: var(--hz-navy2);
  border-top: 1px solid var(--hz-border);
  padding: 80px 0 40px;
}
.hz-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--hz-border);
  margin-bottom: 2rem;
}
.hz-footer-col h4 { font-size: 14px; text-transform: uppercase; letter-spacing: .1em; color: var(--hz-muted); margin-bottom: 1.25rem; font-family: var(--hz-font-mono); }
.hz-footer-col ul { list-style: none; display: flex; flex-direction: column; gap: .6rem; }
.hz-footer-col ul li a { color: var(--hz-muted); font-size: 14px; transition: color var(--hz-transition); }
.hz-footer-col ul li a:hover { color: var(--hz-white); }
.hz-footer-bottom { display: flex; justify-content: space-between; align-items: center; color: var(--hz-muted); font-size: 13px; }
.hz-social-links { display: flex; gap: .75rem; }
.hz-social-link {
  width: 38px; height: 38px;
  border: 1px solid var(--hz-border);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--hz-muted); font-size: 14px;
  transition: all var(--hz-transition);
}
.hz-social-link:hover { border-color: var(--hz-blue); color: var(--hz-blue); background: var(--hz-blue-glow); }

/* ─── Divider ───────────────────────────────────────────── */
.hz-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--hz-border), transparent);
  margin: 0;
}

/* ─── Responsive ────────────────────────────────────────── */
@media (max-width: 768px) {
  .hz-nav-links, .hz-nav-cta { display: none; }
  .hz-nav-links.open { display: flex; flex-direction: column; position: fixed; top: 70px; left: 0; right: 0; background: rgba(5,11,24,0.97); padding: 2rem; gap: 1.5rem; border-bottom: 1px solid var(--hz-border); }
  .hz-hamburger { display: flex; }
  .hz-footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .hz-section { padding: 60px 0; }
  .hz-btn-group { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 480px) {
  .hz-footer-grid { grid-template-columns: 1fr; }
  .hz-container { padding: 0 1.25rem; }
}