/* BlinkNBuild Design System Stylesheet */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Exo+2:ital,wght@0,300;0,400;0,600;0,700;0,900;1,400&family=JetBrains+Mono:wght@400;600&family=DM+Sans:ital,wght@0,300;0,400;0,500;0,600;1,400&display=swap');

:root {
  /* Brand primitives */
  --cyan-50:  #E0FAFE; --cyan-100: #BAF5FD; --cyan-200: #7EEEF9;
  --cyan-300: #3DDFF2; --cyan-400: #00D4F5; --cyan-500: #00ABD1;
  --cyan-600: #007EA8; --cyan-700: #00587C; --cyan-800: #003550; --cyan-900: #001A2A;

  --blue-50:  #EBF3FD; --blue-100: #C8DEFA; --blue-200: #98C0F6;
  --blue-300: #67A1EC; --blue-400: #2B6FD4; --blue-500: #1F58B0;
  --blue-600: #1A3FA8; --blue-700: #122E7A; --blue-800: #0A1E52; --blue-900: #050E2C;

  --violet-50: #F2EDFD; --violet-100: #DAD0F8; --violet-200: #BBA8F2;
  --violet-300: #9B7FE8; --violet-400: #6B35C8; --violet-500: #5628A8;
  --violet-600: #421B88; --violet-700: #301266; --violet-800: #1F0A44; --violet-900: #100522;

  --gold-50:  #FEF9EC; --gold-100: #FDEFBC; --gold-200: #FBDB76;
  --gold-300: #F8C43E; --gold-400: #F5A623; --gold-500: #D68A10;
  --gold-600: #A86A09; --gold-700: #7A4C05; --gold-800: #4C2F02; --gold-900: #241501;

  --red-50:   #FDECEB; --red-100: #FAC8C5; --red-200: #F5918B;
  --red-300:  #EC5E56; --red-400: #D94438; --red-500: #B5352A;
  --red-600:  #8F281E; --red-700: #681C15; --red-800: #42110D; --red-900: #200805;

  --neutral-0:   #080D1A; --neutral-50: #101828; --neutral-100: #141E30;
  --neutral-200: #1A2540; --neutral-300: #212F4A; --neutral-400: #2D3E5C;
  --neutral-500: #4A6180; --neutral-600: #6E8AAA; --neutral-700: #8FA3BF;
  --neutral-800: #B8CBDF; --neutral-900: #E8EEF8; --neutral-1000: #FFFFFF;

  /* Semantic tokens */
  --bg-base:     #0A0E1A; /* User-specified dark navy base */
  --bg-surface:  var(--neutral-100);
  --bg-surface2: var(--neutral-200);
  --bg-surface3: var(--neutral-300);
  --text-primary:   var(--neutral-1000);
  --text-secondary: var(--neutral-800);
  --text-tertiary:  var(--neutral-600);
  --text-faint:     var(--neutral-500);
  --brand-primary: var(--cyan-400);
  --brand-accent:  var(--gold-400);
  --border-subtle: rgba(255, 255, 255, 0.05);
  --border-soft:   rgba(255, 255, 255, 0.12);
  --border-mid:    rgba(255, 255, 255, 0.22);

  /* Spacing scale */
  --sp-1: 4px;  --sp-2: 8px;  --sp-3: 12px; --sp-4: 16px;
  --sp-5: 20px; --sp-6: 24px; --sp-7: 32px; --sp-8: 40px;
  --sp-9: 48px; --sp-10: 64px; --sp-11: 80px; --sp-12: 96px;

  /* Radius */
  --r-sm: 6px; --r-md: 10px; --r-lg: 16px; --r-xl: 24px; --r-full: 9999px;

  /* Motion */
  --ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:   cubic-bezier(0.7, 0, 0.84, 0);
  --ease-inout:cubic-bezier(0.83, 0, 0.17, 1);
  --dur-fast:  120ms; --dur-base: 200ms; --dur-slow: 350ms; --dur-x: 500ms;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-family: 'Exo 2', sans-serif;
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* Background Cyber Grid Pattern */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: 
    linear-gradient(rgba(0, 212, 245, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 245, 0.015) 1px, transparent 1px);
  background-size: 50px 50px;
  background-position: center;
  pointer-events: none;
  z-index: 0;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-base);
}
::-webkit-scrollbar-thumb {
  background: var(--neutral-300);
  border-radius: var(--r-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--cyan-500);
}

/* Helper Classes */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--sp-6);
  position: relative;
  z-index: 2;
}

/* Section Headings */
section {
  padding: var(--sp-12) 0;
  position: relative;
  border-bottom: 1px solid var(--border-subtle);
}

.sec-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--cyan-400);
  letter-spacing: .2em;
  text-transform: uppercase;
  margin-bottom: var(--sp-3);
  display: block;
}
.sec-label::before {
  content: '// ';
}

.sec-title {
  font-family: 'Orbitron', sans-serif;
  font-size: clamp(28px, 4.5vw, 48px);
  font-weight: 900;
  color: #fff;
  line-height: 1.1;
  margin-bottom: var(--sp-4);
  letter-spacing: -0.01em;
}

.sec-subtitle {
  font-family: 'Exo 2', sans-serif;
  font-size: clamp(14px, 2vw, 18px);
  color: var(--text-secondary);
  max-width: 700px;
  margin-bottom: var(--sp-10);
  font-weight: 300;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: 12px 28px;
  border-radius: var(--r-md);
  font-family: 'Orbitron', sans-serif;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--dur-base) var(--ease-out);
}

.btn-cyan {
  background-color: var(--cyan-400);
  color: var(--neutral-0);
  border: 1px solid var(--cyan-400);
}
.btn-cyan:hover {
  background-color: var(--cyan-500);
  border-color: var(--cyan-500);
  box-shadow: 0 0 20px rgba(0, 212, 245, 0.4);
  transform: translateY(-2px);
}

.btn-gold {
  background-color: var(--gold-400);
  color: var(--neutral-0);
  border: 1px solid var(--gold-400);
}
.btn-gold:hover {
  background-color: var(--gold-500);
  border-color: var(--gold-500);
  box-shadow: 0 0 20px rgba(245, 166, 35, 0.4);
  transform: translateY(-2px);
}

.btn-outline-gold {
  background-color: transparent;
  color: var(--gold-400);
  border: 2px solid var(--gold-400);
}
.btn-outline-gold:hover {
  background-color: var(--gold-400);
  color: var(--neutral-0);
  box-shadow: 0 0 20px rgba(245, 166, 35, 0.3);
  transform: translateY(-2px);
}

/* Badge tags */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  padding: 4px 10px;
  border-radius: var(--r-sm);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-cyan {
  background: rgba(0, 212, 245, 0.08);
  border: 1px solid rgba(0, 212, 245, 0.2);
  color: var(--cyan-400);
}

.badge-gold {
  background: rgba(245, 166, 35, 0.08);
  border: 1px solid rgba(245, 166, 35, 0.2);
  color: var(--gold-400);
}

/* Sticky Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  z-index: 1000;
  background: rgba(8, 13, 26, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--dur-base) var(--ease-out);
}

.navbar.scrolled {
  background: rgba(8, 13, 26, 0.95);
  height: 70px;
  border-bottom-color: rgba(0, 212, 245, 0.15);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--sp-6);
}

.logo-link {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 45px;
  width: auto;
  transition: transform var(--dur-base);
}

.logo-img:hover {
  transform: scale(1.05);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--sp-8);
  list-style: none;
}

.nav-item {
  position: relative;
}

.nav-link {
  font-family: 'Exo 2', sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--neutral-800);
  text-decoration: none;
  padding: var(--sp-2) 0;
  transition: color var(--dur-base) var(--ease-out);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--cyan-400);
  transition: width var(--dur-base) var(--ease-out);
}

.nav-link:hover {
  color: var(--cyan-400);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-link.active {
  color: var(--cyan-400);
}

.nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
}

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1010;
}

.hamburger span {
  width: 100%;
  height: 2px;
  background-color: #fff;
  transition: all var(--dur-base) var(--ease-out);
}

/* Hero Section */
.hero-sec {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 100px;
  overflow: hidden;
  position: relative;
}

#hero-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}

.hero-glow-l {
  position: absolute;
  top: 20%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 212, 245, 0.08) 0%, transparent 70%);
  z-index: 1;
  pointer-events: none;
}

.hero-glow-r {
  position: absolute;
  bottom: 10%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(245, 166, 35, 0.06) 0%, transparent 70%);
  z-index: 1;
  pointer-events: none;
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 2;
  max-width: 850px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  background: rgba(0, 212, 245, 0.06);
  border: 1px solid rgba(0, 212, 245, 0.15);
  border-radius: var(--r-full);
  padding: 6px 18px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: .15em;
  color: var(--cyan-400);
  margin-bottom: var(--sp-6);
  text-transform: uppercase;
}

.hero-title {
  font-family: 'Orbitron', sans-serif;
  font-size: clamp(38px, 8vw, 80px);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.05;
  color: #fff;
  margin-bottom: var(--sp-4);
  text-shadow: 0 0 30px rgba(0, 0, 0, 0.5);
}

.hero-title span {
  color: var(--cyan-400);
  position: relative;
}

.hero-subtitle {
  font-family: 'Exo 2', sans-serif;
  font-size: clamp(14px, 2.5vw, 22px);
  font-weight: 300;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--neutral-800);
  margin-bottom: var(--sp-8);
}

.hero-ctas {
  display: flex;
  gap: var(--sp-4);
  justify-content: center;
  margin-bottom: var(--sp-12);
  flex-wrap: wrap;
}

.hero-stats-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--sp-8);
  border-top: 1px solid var(--border-subtle);
  padding-top: var(--sp-8);
  max-width: 650px;
  margin: 0 auto;
  flex-wrap: wrap;
}

.hero-stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-stat-num {
  font-family: 'Orbitron', sans-serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--cyan-400);
  line-height: 1;
}

.hero-stat-num.gold {
  color: var(--gold-400);
}

.hero-stat-lbl {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--neutral-500);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: var(--sp-2);
}

.hero-divider {
  width: 1px;
  height: 35px;
  background: var(--border-subtle);
}

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--sp-10);
  align-items: center;
}

.about-info-panel {
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
}

.about-desc {
  font-size: 16px;
  line-height: 1.8;
  color: var(--neutral-800);
}

.about-badge-card {
  background: var(--bg-surface2);
  border: 1px solid rgba(245, 166, 35, 0.15);
  border-left: 4px solid var(--gold-400);
  border-radius: var(--r-md);
  padding: var(--sp-5) var(--sp-6);
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  margin-top: var(--sp-2);
  transition: transform var(--dur-base);
}

.about-badge-card:hover {
  transform: translateX(4px);
  box-shadow: 0 4px 20px rgba(245, 166, 35, 0.08);
}

.badge-icon {
  font-size: 32px;
}

.badge-text-title {
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  font-size: 15px;
  color: #fff;
  margin-bottom: 2px;
}

.badge-text-subtitle {
  font-size: 12px;
  color: var(--neutral-800);
}

.creator-cards-wrap {
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
}

.creator-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  padding: var(--sp-6);
  display: flex;
  align-items: center;
  gap: var(--sp-6);
  position: relative;
  transition: all var(--dur-slow) var(--ease-out);
}

.creator-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 0%;
  background: var(--cyan-400);
  transition: height var(--dur-base) var(--ease-out);
}

.creator-card.gold-accent::before {
  background: var(--gold-400);
}

.creator-card:hover::before {
  height: 100%;
}

.creator-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-soft);
}

.creator-avatar-wrap {
  position: relative;
  width: 80px;
  height: 80px;
  flex-shrink: 0;
}

.creator-avatar {
  width: 100%;
  height: 100%;
  border-radius: var(--r-full);
  object-fit: cover;
  border: 2px solid var(--border-mid);
  transition: border-color var(--dur-base);
}

.creator-card:hover .creator-avatar {
  border-color: var(--cyan-400);
}

.creator-card.gold-accent:hover .creator-avatar {
  border-color: var(--gold-400);
}

.creator-info {
  flex-grow: 1;
}

.creator-name {
  font-family: 'Orbitron', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: var(--sp-1);
}

.creator-role {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--cyan-400);
  text-transform: uppercase;
  margin-bottom: var(--sp-3);
  display: block;
}

.creator-card.gold-accent .creator-role {
  color: var(--gold-400);
}

.creator-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: var(--sp-3);
}

.creator-skill-tag {
  background: rgba(255, 255, 255, 0.04);
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 11px;
  color: var(--neutral-800);
}

.creator-links {
  display: flex;
  gap: 12px;
}

.creator-link {
  color: var(--neutral-600);
  font-size: 14px;
  transition: color var(--dur-base);
}

.creator-link:hover {
  color: var(--cyan-400);
}

.creator-card.gold-accent .creator-link:hover {
  color: var(--gold-400);
}

/* Projects Showcase Section */
.filter-tabs {
  display: flex;
  justify-content: center;
  gap: var(--sp-2);
  margin-bottom: var(--sp-8);
  flex-wrap: wrap;
}

.filter-tab {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--neutral-800);
  font-family: 'Orbitron', sans-serif;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 8px 18px;
  border-radius: var(--r-full);
  cursor: pointer;
  letter-spacing: 0.05em;
  transition: all var(--dur-base) var(--ease-out);
}

.filter-tab:hover {
  color: #fff;
  border-color: var(--border-soft);
  background: var(--bg-surface2);
}

.filter-tab.active {
  background: var(--cyan-400);
  color: var(--neutral-0);
  border-color: var(--cyan-400);
  box-shadow: 0 0 15px rgba(0, 212, 245, 0.25);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-6);
  max-width: 900px;
  margin: 0 auto;
}

.project-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: all var(--dur-slow) var(--ease-out);
  height: 100%;
}

.project-image-wrap {
  width: 100%;
  padding-bottom: 56.25%;
  position: relative;
  overflow: hidden;
}

.project-gradient {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--neutral-200) 0%, var(--neutral-0) 100%);
  position: relative;
}

/* Decorative visual for visual placeholders */
.project-gradient::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 70% 30%, rgba(0, 212, 245, 0.15) 0%, transparent 60%);
}

.project-card.gold-accent .project-gradient::after {
  background: radial-gradient(circle at 70% 30%, rgba(245, 166, 35, 0.12) 0%, transparent 60%);
}

.project-pattern-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.1;
  background-image: 
    radial-gradient(var(--cyan-400) 1px, transparent 1px),
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 15px 15px, 30px 30px;
}

.project-card.gold-accent .project-pattern-overlay {
  background-image: 
    radial-gradient(var(--gold-400) 1px, transparent 1px),
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px);
}

.project-accent-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--cyan-400);
}

.project-card.gold-accent .project-accent-bar {
  background: var(--gold-400);
}

.project-icon-badge {
  position: absolute;
  top: 15px;
  right: 15px;
  width: 38px;
  height: 38px;
  border-radius: var(--r-full);
  background: rgba(8, 13, 26, 0.8);
  border: 1px solid var(--border-soft);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan-400);
}

.project-card.gold-accent .project-icon-badge {
  color: var(--gold-400);
}

.project-body {
  padding: var(--sp-6);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-title {
  font-family: 'Orbitron', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: var(--sp-2);
}

.project-desc {
  font-size: 13.5px;
  color: var(--neutral-800);
  line-height: 1.6;
  margin-bottom: var(--sp-6);
  flex-grow: 1;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: var(--sp-5);
}

.project-links {
  display: flex;
  gap: var(--sp-3);
  border-top: 1px solid var(--border-subtle);
  padding-top: var(--sp-4);
  align-items: center;
}

.project-btn-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--r-md);
  border: 1px solid var(--border-soft);
  background: var(--bg-surface2);
  color: var(--neutral-900);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: all var(--dur-base);
}

.project-btn-icon:hover {
  background: var(--cyan-400);
  color: var(--neutral-0);
  border-color: var(--cyan-400);
}

.project-card.gold-accent .project-btn-icon:hover {
  background: var(--gold-400);
  color: var(--neutral-0);
  border-color: var(--gold-400);
}

.project-btn-text {
  font-family: 'Orbitron', sans-serif;
  font-size: 11px;
  font-weight: 700;
  color: var(--neutral-900);
  text-decoration: none;
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  transition: color var(--dur-base);
}

.project-btn-text:hover {
  color: var(--cyan-400);
}

.project-card.gold-accent .project-btn-text:hover {
  color: var(--gold-400);
}

/* Hover effects for project cards */
.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--cyan-400);
  box-shadow: 0 10px 30px rgba(0, 212, 245, 0.15);
}

.project-card.gold-accent:hover {
  border-color: var(--gold-400);
  box-shadow: 0 10px 30px rgba(245, 166, 35, 0.12);
}

/* Hackathon Tracker Section */
/* Hackathon Section Controls */
.hackathons-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--sp-4);
  max-width: 900px;
  margin: 0 auto var(--sp-8);
  flex-wrap: wrap;
}

.search-box {
  position: relative;
  flex: 1;
  min-width: 280px;
}

.search-box .search-icon {
  position: absolute;
  left: var(--sp-4);
  top: 50%;
  transform: translateY(-50%);
  color: var(--neutral-600);
  font-size: 14px;
  pointer-events: none;
  transition: color var(--dur-base) var(--ease-out);
}

.search-box input {
  width: 100%;
  padding: var(--sp-3) var(--sp-4) var(--sp-3) var(--sp-10);
  background: rgba(8, 13, 26, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-md);
  color: #fff;
  font-family: 'Exo 2', sans-serif;
  font-size: 14px;
  transition: all var(--dur-base) var(--ease-out);
  backdrop-filter: blur(10px);
}

.search-box input::placeholder {
  color: var(--neutral-600);
}

.search-box input:focus {
  outline: none;
  border-color: var(--cyan-400);
  box-shadow: 0 0 15px rgba(0, 212, 245, 0.25);
  background: rgba(8, 13, 26, 0.8);
}

.search-box input:focus ~ .search-icon {
  color: var(--cyan-400);
}

.filter-sort-wrap {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  gap: var(--sp-2);
}

.filter-btn {
  background: rgba(8, 13, 26, 0.4);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-md);
  color: var(--neutral-800);
  padding: var(--sp-2) var(--sp-4);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--dur-base) var(--ease-out);
  backdrop-filter: blur(10px);
}

.filter-btn:hover {
  border-color: var(--border-soft);
  color: #fff;
}

.filter-btn.active {
  background: rgba(0, 212, 245, 0.1);
  border-color: var(--cyan-400);
  color: var(--cyan-400);
  box-shadow: 0 0 15px rgba(0, 212, 245, 0.2);
  font-weight: 600;
}

.sort-group {
  position: relative;
}

.sort-select {
  background: rgba(8, 13, 26, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-md);
  color: var(--neutral-800);
  padding: var(--sp-2) var(--sp-4);
  font-family: 'Exo 2', sans-serif;
  font-size: 13px;
  cursor: pointer;
  transition: all var(--dur-base) var(--ease-out);
  backdrop-filter: blur(10px);
  outline: none;
}

.sort-select:hover {
  border-color: var(--border-soft);
  color: #fff;
}

.sort-select:focus {
  border-color: var(--cyan-400);
  box-shadow: 0 0 15px rgba(0, 212, 245, 0.2);
  color: #fff;
}

.sort-select option {
  background: var(--bg-surface);
  color: #fff;
}

/* Fade in animation for dynamic rendering */
.card-fade-in {
  animation: cardFadeIn 0.4s var(--ease-out) forwards;
  opacity: 0;
  transform: translateY(10px);
}

@keyframes cardFadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hackathons-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-6);
  max-width: 900px;
  margin: 0 auto;
}

.hackathon-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  padding: var(--sp-6);
  display: flex;
  flex-direction: column;
  transition: all var(--dur-slow) var(--ease-out);
  position: relative;
  height: 100%;
}

.hackathon-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--sp-3);
}

.hackathon-org {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--neutral-600);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  border-radius: var(--r-sm);
  font-size: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  text-transform: uppercase;
}

.status-badge.open {
  background: rgba(34, 197, 94, 0.1);
  color: #22c55e;
  border: 1px solid rgba(34, 197, 94, 0.2);
}

.status-badge.closing {
  background: rgba(245, 166, 35, 0.1);
  color: var(--gold-400);
  border: 1px solid rgba(245, 166, 35, 0.2);
}

.status-badge.closed {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.hackathon-name {
  font-family: 'Orbitron', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: var(--sp-4);
  line-height: 1.3;
}

.hackathon-details-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--sp-4);
  font-size: 13px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: var(--sp-3);
}

.hackathon-date {
  color: var(--neutral-800);
}

.countdown-wrap {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  color: var(--gold-400);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 600;
}

.countdown-wrap.closed {
  color: var(--neutral-600);
}

.countdown-wrap.open-tbd {
  color: var(--cyan-400);
}

/* Embedded YouTube Short */
.short-embed-wrap {
  position: relative;
  width: 100%;
  /* 16:9 ratio */
  padding-bottom: 56.25%; 
  background: var(--neutral-200);
  border-radius: var(--r-md);
  overflow: hidden;
  margin-bottom: var(--sp-4);
  border: 1px solid var(--border-subtle);
}

.short-embed-iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.hackathon-footer {
  margin-top: auto;
  padding-top: var(--sp-2);
}

.hackathon-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-soft);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.hackathons-note-bottom {
  text-align: center;
  margin-top: var(--sp-8);
  font-family: 'Exo 2', sans-serif;
  color: var(--neutral-800);
  font-size: 14px;
}

.hackathons-note-bottom a {
  color: var(--gold-400);
  text-decoration: none;
  font-weight: 600;
}

.hackathons-note-bottom a:hover {
  text-decoration: underline;
}

/* Shop Section */
.shop-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-6);
}

.product-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  padding: var(--sp-7);
  display: flex;
  flex-direction: column;
  transition: all var(--dur-slow) var(--ease-out);
  position: relative;
  height: 100%;
}

.product-badge-wrap {
  display: flex;
  justify-content: flex-start;
  margin-bottom: var(--sp-4);
}

.product-name {
  font-family: 'Orbitron', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: var(--sp-2);
  line-height: 1.3;
}

.product-desc {
  font-size: 13.5px;
  color: var(--neutral-800);
  line-height: 1.6;
  margin-bottom: var(--sp-6);
  flex-grow: 1;
}

.product-pricing-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  border-top: 1px solid var(--border-subtle);
  padding-top: var(--sp-4);
  margin-bottom: var(--sp-4);
}

.price-lbl {
  font-size: 11px;
  text-transform: uppercase;
  color: var(--neutral-600);
  font-family: 'JetBrains Mono', monospace;
}

.price-val {
  font-family: 'Orbitron', sans-serif;
  font-size: 24px;
  font-weight: 900;
  color: #fff;
}

.product-card:hover {
  transform: translateY(-6px);
  border-color: var(--cyan-400);
  box-shadow: 0 10px 30px rgba(0, 212, 245, 0.12);
}

.product-card.gold-accent:hover {
  border-color: var(--gold-400);
  box-shadow: 0 10px 30px rgba(245, 166, 35, 0.12);
}

.shop-notice {
  text-align: center;
  margin-top: var(--sp-8);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--neutral-600);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Toast System */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.toast {
  background: var(--bg-surface2);
  border: 1px solid var(--border-soft);
  border-left: 4px solid var(--cyan-400);
  border-radius: var(--r-sm);
  padding: 12px 20px;
  color: #fff;
  font-family: 'Exo 2', sans-serif;
  font-size: 13.5px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.3);
  animation: slideIn 0.3s var(--ease-out);
  max-width: 320px;
}

.toast.gold {
  border-left-color: var(--gold-400);
}

.toast-icon {
  font-size: 16px;
  flex-shrink: 0;
}

.toast-message {
  flex-grow: 1;
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* Footer styling */
.footer {
  background: var(--neutral-50);
  border-top: 1px solid var(--border-subtle);
  padding: var(--sp-12) 0 var(--sp-6);
  position: relative;
  z-index: 2;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.2fr repeat(3, 0.9fr);
  gap: var(--sp-8);
  margin-bottom: var(--sp-10);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.footer-logo-img {
  height: 50px;
  width: auto;
  align-self: flex-start;
}

.footer-tagline {
  font-size: 14px;
  color: var(--neutral-800);
  font-weight: 300;
}

.footer-socials {
  display: flex;
  gap: 12px;
  margin-top: var(--sp-2);
}

.social-icon-link {
  width: 36px;
  height: 36px;
  border-radius: var(--r-md);
  border: 1px solid var(--border-subtle);
  background: rgba(255,255,255,0.02);
  color: var(--neutral-800);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  text-decoration: none;
  transition: all var(--dur-base);
}

.social-icon-link:hover {
  background: var(--cyan-400);
  color: var(--neutral-0);
  border-color: var(--cyan-400);
}

.footer-col-title {
  font-family: 'Orbitron', sans-serif;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--sp-5);
  position: relative;
}

.footer-col-title::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 25px;
  height: 2px;
  background: var(--cyan-400);
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link-item a {
  color: var(--neutral-800);
  font-size: 13.5px;
  text-decoration: none;
  transition: color var(--dur-base);
}

.footer-link-item a:hover {
  color: var(--cyan-400);
}

.contact-info-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 13.5px;
  color: var(--neutral-800);
}

.contact-info-list li {
  display: flex;
  align-items: center;
  gap: 10px;
}

.contact-icon {
  color: var(--cyan-400);
  width: 14px;
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: var(--sp-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--sp-4);
}

.copyright-text {
  font-size: 12px;
  color: var(--neutral-600);
}

.credit-text {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--neutral-600);
}

/* Animations */
.reveal-fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal-fade-up.active {
  opacity: 1;
  transform: translateY(0);
}

/* Mobile Menu Slide */
@media (max-width: 768px) {
  /* Layout adjustments */
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--sp-8);
  }
  
  .projects-grid, .hackathons-grid, .shop-grid {
    grid-template-columns: 1fr;
    gap: var(--sp-6);
  }
  
  .footer-top {
    grid-template-columns: 1fr;
    gap: var(--sp-8);
  }
  
  /* Navbar hamburger controls */
  .hamburger {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background: rgba(8, 13, 26, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--sp-8);
    transition: left var(--dur-slow) var(--ease-out);
    z-index: 999;
    border-top: 1px solid var(--border-subtle);
  }
  
  .nav-menu.open {
    left: 0;
  }
  
  .nav-link {
    font-size: 18px;
  }
  
  .nav-actions {
    display: none; /* YouTube subscribe button hidden or integrated in hamburger drawer */
  }

  .nav-menu .nav-actions-mobile {
    display: block;
    margin-top: var(--sp-4);
  }

  /* Hamburger transform when menu is open */
  .hamburger.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .hamburger.open span:nth-child(2) {
    opacity: 0;
  }
  .hamburger.open span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
  }
}

@media (min-width: 769px) {
  .nav-menu .nav-actions-mobile {
    display: none;
  }
}


/* Logo Text Styles */
.logo-text {
  font-family: 'Orbitron', sans-serif;
  font-size: 18px;
  font-weight: 900;
  letter-spacing: -0.015em;
  color: #ffffff;
  margin-left: var(--sp-3);
  transition: color var(--dur-base) var(--ease-out);
  text-transform: none;
}

.logo-text span {
  color: var(--cyan-400);
  transition: color var(--dur-base) var(--ease-out);
}

.logo-link:hover .logo-text {
  color: var(--cyan-400);
}

.logo-link:hover .logo-text span {
  color: #ffffff;
}

/* Project Video Embed Styling */
.project-video-iframe {
  width: 160%;
  height: 160%;
  border: 0;
  background: var(--neutral-200);
  transform: scale(0.625);
  transform-origin: top left;
  overflow: hidden;
}

/* Video Preview Thumbnail Component */
.video-preview-link {
  display: block;
  width: 100%;
  height: 100%;
  position: relative;
  text-decoration: none;
  overflow: hidden;
}

.video-thumbnail-container {
  width: 100%;
  height: 100%;
  position: relative;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-thumbnail-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.75;
  transition: transform var(--dur-slow) var(--ease-out), opacity var(--dur-base);
}

.play-btn-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 50px;
  height: 50px;
  background: rgba(8, 13, 26, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--r-full);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--dur-base) var(--ease-out);
  box-shadow: 0 0 15px rgba(0,0,0,0.5);
  pointer-events: none;
  z-index: 10;
}

.play-icon {
  font-size: 20px;
  color: #ffffff;
  transition: color var(--dur-base) var(--ease-out);
}

/* Hover effects */
.video-preview-link:hover .video-thumbnail-img {
  transform: scale(1.05);
  opacity: 0.9;
}

.video-preview-link:hover .play-btn-overlay {
  background: var(--cyan-400);
  border-color: var(--cyan-400);
  box-shadow: 0 0 20px rgba(0, 212, 245, 0.5);
}

.video-preview-link:hover .play-icon {
  color: var(--neutral-0);
}

/* For gold accent cards, show gold play button hover */
.project-card.gold-accent .video-preview-link:hover .play-btn-overlay {
  background: var(--gold-400);
  border-color: var(--gold-400);
  box-shadow: 0 0 20px rgba(245, 166, 35, 0.5);
}

.hackathon-card:hover .video-preview-link .play-btn-overlay {
  background: var(--gold-400);
  border-color: var(--gold-400);
  box-shadow: 0 0 20px rgba(245, 166, 35, 0.5);
}

.hackathon-card:hover .video-preview-link .play-icon {
  color: var(--neutral-0);
}

/* Fix collapsing responsive YouTube Short preview link */
.short-embed-wrap .video-preview-link {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* Blinking LED Footer Credit Animation */
.blink-led {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  color: var(--cyan-400);
  text-shadow: 0 0 8px var(--cyan-400);
  animation: led-text-blink 1s infinite steps(2);
  margin-left: 2px;
}

.led-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: var(--r-full);
  background-color: var(--cyan-400);
  margin-left: 6px;
  vertical-align: middle;
  box-shadow: 0 0 8px var(--cyan-400);
  animation: led-dot-blink 1s infinite steps(2);
}

@keyframes led-text-blink {
  0%, 49% {
    color: var(--cyan-400);
    text-shadow: 0 0 8px var(--cyan-400);
  }
  50%, 100% {
    color: var(--neutral-600);
    text-shadow: none;
  }
}

@keyframes led-dot-blink {
  0%, 49% {
    opacity: 1;
    background-color: var(--cyan-400);
    box-shadow: 0 0 8px var(--cyan-400);
  }
  50%, 100% {
    opacity: 0.2;
    background-color: var(--neutral-600);
    box-shadow: none;
  }
}

/* Force project image wrap children to maintain 16:9 absolute bounds */
.project-image-wrap .video-preview-link,
.project-image-wrap .project-gradient {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.project-image-wrap .project-video-iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 160%;
  height: 160%;
  border: 0;
  background: var(--neutral-200);
  transform: scale(0.625);
  transform-origin: top left;
  overflow: hidden;
}