/* ═══════════════════════════════════════════════════════════════
   VOIDCYBER — style.css  v3
   3 Themes: orange (default) · blue sci-fi · clean light
═══════════════════════════════════════════════════════════════ */

/* ── THEME VARIABLES ─────────────────────────────────────────── */
:root,
[data-theme="orange"] {
  --accent:       #FF6B00;
  --accent2:      #FFD700;
  --accent-glow:  #FF8C00;
  --bg:           #050505;
  --bg2:          #0a0a0a;
  --bg3:          #0f0f0f;
  --surface:      rgba(255,107,0,0.04);
  --surface2:     rgba(255,107,0,0.08);
  --border:       rgba(255,107,0,0.20);
  --border2:      rgba(255,107,0,0.35);
  --text:         #e8e8e8;
  --text2:        #aaa;
  --muted:        #555;
  --nav-bg:       rgba(5,5,5,0.93);
  --scanline-op:  0.35;
  --font-body:    'Fira Code', monospace;
  --font-title:   'Orbitron', monospace;
  --grid-color:   rgba(255,107,0,0.07);
  --particle-col: rgba(255,107,0,0.38);
  --logo-clean:   none;           /* hide clean logo */
  --logo-cyber:   block;          /* show cyber logo */
  --cursor-col:   #FF6B00;
}

[data-theme="blue"] {
  --accent:       #00F5FF;
  --accent2:      #0080FF;
  --accent-glow:  #00CCFF;
  --bg:           #020810;
  --bg2:          #050e1a;
  --bg3:          #071524;
  --surface:      rgba(0,245,255,0.04);
  --surface2:     rgba(0,245,255,0.08);
  --border:       rgba(0,245,255,0.18);
  --border2:      rgba(0,245,255,0.35);
  --text:         #ddf4ff;
  --text2:        #88c8d8;
  --muted:        #3a6070;
  --nav-bg:       rgba(2,8,16,0.93);
  --scanline-op:  0.25;
  --font-body:    'Fira Code', monospace;
  --font-title:   'Orbitron', monospace;
  --grid-color:   rgba(0,245,255,0.06);
  --particle-col: rgba(0,245,255,0.35);
  --cursor-col:   #00F5FF;
}

[data-theme="clean"] {
  --accent:       #6366F1;
  --accent2:      #8B5CF6;
  --accent-glow:  #7C3AED;
  --bg:           #ffffff;
  --bg2:          #f4f4f8;
  --bg3:          #ebebf2;
  --surface:      rgba(99,102,241,0.05);
  --surface2:     rgba(99,102,241,0.10);
  --border:       rgba(99,102,241,0.15);
  --border2:      rgba(99,102,241,0.30);
  --text:         #111827;
  --text2:        #4B5563;
  --muted:        #9CA3AF;
  --nav-bg:       rgba(255,255,255,0.95);
  --scanline-op:  0;
  --font-body:    'Inter', sans-serif;
  --font-title:   'Inter', sans-serif;
  --grid-color:   rgba(99,102,241,0.06);
  --particle-col: rgba(99,102,241,0.25);
  --cursor-col:   #6366F1;
}

/* ── RESET ───────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
  overflow-x: hidden;
  cursor: none;
  transition: background 0.4s, color 0.4s;
}

/* Hide cursor on clean theme (use default) */
[data-theme="clean"] body { cursor: auto; }
[data-theme="clean"] .cursor,
[data-theme="clean"] #trailContainer { display: none; }

/* ── SCANLINES ───────────────────────────────────────────────── */
body::before {
  content: ''; position: fixed; inset: 0; pointer-events: none;
  background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,0,0,0.10) 2px, rgba(0,0,0,0.10) 4px);
  z-index: 1000; opacity: var(--scanline-op);
  transition: opacity 0.4s;
}

/* ── CURSOR ──────────────────────────────────────────────────── */
.cursor {
  position: fixed; width: 10px; height: 10px;
  background: var(--cursor-col); border-radius: 50%;
  pointer-events: none; z-index: 9999;
  transform: translate(-50%,-50%);
  transition: width 0.12s, height 0.12s, background 0.12s, border-radius 0.12s, box-shadow 0.12s;
  box-shadow: 0 0 8px var(--cursor-col), 0 0 16px rgba(255,107,0,0.4);
  mix-blend-mode: screen;
  will-change: left, top;
}
.cursor.hovering {
  width: 20px; height: 20px; border-radius: 4px;
  background: var(--accent2);
  box-shadow: 0 0 14px var(--accent2), 0 0 28px rgba(255,215,0,0.4);
}
.trail-dot {
  position: fixed; border-radius: 50%;
  background: var(--cursor-col); pointer-events: none; z-index: 9990;
  transform: translate(-50%,-50%);
  animation: trailFade 0.4s ease-out forwards;
}
@keyframes trailFade {
  0%   { opacity: 0.5; transform: translate(-50%,-50%) scale(1); }
  100% { opacity: 0;   transform: translate(-50%,-50%) scale(0.1); }
}

/* ── THEME SWITCHER ──────────────────────────────────────────── */
.theme-fab {
  position: fixed; bottom: 2rem; right: 2rem; z-index: 600;
}
.theme-fab-btn {
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--accent); color: var(--bg);
  border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 20px rgba(255,107,0,0.5);
  transition: transform 0.25s, box-shadow 0.25s;
}
.theme-fab-btn:hover { transform: rotate(30deg) scale(1.1); box-shadow: 0 0 32px rgba(255,107,0,0.7); }
[data-theme="blue"] .theme-fab-btn { background: var(--accent); color: var(--bg); box-shadow: 0 0 20px rgba(0,245,255,0.5); }
[data-theme="blue"] .theme-fab-btn:hover { box-shadow: 0 0 32px rgba(0,245,255,0.8); }
[data-theme="clean"] .theme-fab-btn { background: var(--accent); color: #fff; box-shadow: 0 4px 16px rgba(99,102,241,0.4); }

.theme-panel {
  position: absolute; bottom: 58px; right: 0;
  background: var(--bg3); border: 1px solid var(--border2);
  min-width: 180px; padding: 0.8rem;
  display: none; flex-direction: column; gap: 4px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}
[data-theme="clean"] .theme-panel { box-shadow: 0 8px 32px rgba(99,102,241,0.15); }
.theme-panel.open { display: flex; }
.theme-panel-title {
  font-family: var(--font-body); font-size: 0.65rem;
  color: var(--muted); letter-spacing: 0.2em; text-transform: uppercase;
  padding-bottom: 6px; border-bottom: 1px solid var(--border); margin-bottom: 4px;
}
.theme-opt {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; background: none; border: 1px solid transparent;
  cursor: pointer; color: var(--text2); font-family: var(--font-body);
  font-size: 0.8rem; transition: all 0.2s; text-align: left; border-radius: 2px;
}
.theme-opt:hover { background: var(--surface2); border-color: var(--border); color: var(--text); }
.theme-opt.active { border-color: var(--accent); background: var(--surface2); color: var(--accent); }
.t-dot { width: 14px; height: 14px; border-radius: 50%; flex-shrink: 0; }
.t-name { flex: 1; }
.t-check { font-size: 0.7rem; opacity: 0; }
.theme-opt.active .t-check { opacity: 1; }

/* ── NEON / ACCENT HELPERS ───────────────────────────────────── */
.accent-color { color: var(--accent); text-shadow: 0 0 8px var(--accent), 0 0 20px var(--accent-glow); }
.accent-color2 { color: var(--accent2); text-shadow: 0 0 8px var(--accent2); }
[data-theme="clean"] .accent-color,
[data-theme="clean"] .accent-color2 { text-shadow: none; }

/* ── GLITCH ──────────────────────────────────────────────────── */
@keyframes glitchA {
  0%,100%{clip-path:inset(0 0 100% 0);transform:translateX(0)}
  10%{clip-path:inset(20% 0 60% 0);transform:translateX(-4px)}
  20%{clip-path:inset(60% 0 10% 0);transform:translateX(4px)}
  30%{clip-path:inset(40% 0 40% 0);transform:translateX(-2px)}
  50%{clip-path:inset(10% 0 80% 0);transform:translateX(-4px)}
}
@keyframes glitchB {
  0%,100%{clip-path:inset(0 0 100% 0);transform:translateX(0)}
  15%{clip-path:inset(50% 0 30% 0);transform:translateX(4px)}
  55%{clip-path:inset(70% 0 10% 0);transform:translateX(3px)}
}
.glitch-wrapper { position: relative; display: inline-block; }
.glitch-wrapper::before, .glitch-wrapper::after {
  content: attr(data-text); position: absolute; inset: 0;
  font-family: inherit; font-size: inherit; font-weight: inherit; pointer-events: none;
}
.glitch-wrapper::before { color: var(--accent2); left: 2px; animation: glitchA 3.5s infinite steps(1) 0.5s; opacity: 0.7; }
.glitch-wrapper::after  { color: #FF0066;         left: -2px; animation: glitchB 3.5s infinite steps(1) 1s; opacity: 0.45; }
[data-theme="clean"] .glitch-wrapper::before,
[data-theme="clean"] .glitch-wrapper::after { display: none; }

/* Logo glitch on hover */
.nav-logo-wrap { position: relative; }
.nav-logo-wrap::before, .nav-logo-wrap::after {
  content: attr(data-text); position: absolute;
  top: 50%; transform: translateY(-50%);
  font-family: var(--font-title); font-weight: 900; font-size: 1.35rem;
  pointer-events: none; opacity: 0; letter-spacing: 0.12em;
  white-space: nowrap;
}
.nav-logo-wrap:hover::before { color: var(--accent2); left: calc(50% - 2px); animation: glitchA 0.4s steps(1) 3; opacity: 0.8; }
.nav-logo-wrap:hover::after  { color: #FF0066; left: calc(50% + 2px); animation: glitchB 0.4s steps(1) 3; opacity: 0.5; }
[data-theme="clean"] .nav-logo-wrap::before,
[data-theme="clean"] .nav-logo-wrap::after { display: none; }

/* ── SCROLL TO TOP ───────────────────────────────────────────── */
.scroll-top {
  position: fixed; bottom: 5rem; right: 2rem; width: 42px; height: 42px;
  border: 1px solid var(--border); background: var(--bg2);
  cursor: pointer; z-index: 400;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s, background 0.3s, box-shadow 0.3s;
  clip-path: polygon(6px 0%,100% 0%,calc(100% - 6px) 100%,0% 100%);
}
.scroll-top.visible { opacity: 1; pointer-events: all; }
.scroll-top:hover { background: var(--surface2); box-shadow: 0 0 18px var(--accent); }
.scroll-top svg { stroke: var(--accent); }

/* ── NAVBAR ──────────────────────────────────────────────────── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 500;
  padding: 0 2rem; border-bottom: 1px solid transparent;
  transition: background 0.4s, border-color 0.4s, backdrop-filter 0.4s;
}
nav.scrolled { background: var(--nav-bg); border-bottom-color: var(--border); backdrop-filter: blur(20px); }
[data-theme="clean"] nav { background: var(--nav-bg); border-bottom: 1px solid var(--border); }
.nav-inner { max-width: 1400px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; height: 68px; }

/* Logo */
.nav-logo-wrap { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.nav-logo-svg { width: 36px; height: 36px; color: var(--accent); flex-shrink: 0; transition: color 0.4s; }
.nav-logo-img { width: 36px; height: 36px; object-fit: contain; }
.nav-logo-text {
  font-family: var(--font-title); font-weight: 900; font-size: 1.3rem;
  letter-spacing: 0.12em; color: var(--accent);
  text-shadow: 0 0 14px var(--accent);
  transition: color 0.4s, text-shadow 0.4s;
}
[data-theme="clean"] .nav-logo-text { text-shadow: none; color: var(--accent); }
.logo-accent { color: var(--accent2); }
[data-theme="clean"] .logo-accent { color: var(--accent2); }

/* Nav links */
.nav-links { display: flex; gap: 1.8rem; list-style: none; }
.nav-links a {
  font-family: var(--font-body); font-size: 0.76rem; font-weight: 500;
  letter-spacing: 0.08em; color: var(--text2); text-decoration: none;
  text-transform: uppercase; position: relative; padding-bottom: 3px;
  transition: color 0.25s;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 0; height: 1px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transition: width 0.3s;
}
.nav-links a:hover, .nav-links a.active { color: var(--accent); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.nav-right { display: flex; align-items: center; gap: 1rem; }
.nav-cta {
  font-family: var(--font-body); font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--bg); background: var(--accent); text-decoration: none;
  padding: 8px 18px; border: none; cursor: pointer;
  clip-path: polygon(8px 0%,100% 0%,calc(100% - 8px) 100%,0% 100%);
  transition: background 0.25s, box-shadow 0.25s, transform 0.25s;
  box-shadow: 0 0 18px rgba(255,107,0,0.4);
}
.nav-cta:hover { background: var(--accent2); box-shadow: 0 0 28px var(--accent2); transform: translateY(-1px); }
[data-theme="blue"] .nav-cta { color: var(--bg); }
[data-theme="clean"] .nav-cta { clip-path: none; border-radius: 999px; color: #fff; }

/* Hamburger */
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 5px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--accent); transition: all 0.3s; }

/* ── SECTION SHARED ──────────────────────────────────────────── */
section { position: relative; }
.section-wrapper { max-width: 1400px; margin: 0 auto; padding: 5.5rem 2rem; }
.section-tag {
  font-family: var(--font-body); font-size: 0.70rem; font-weight: 600;
  letter-spacing: 0.22em; text-transform: uppercase; color: var(--accent);
  display: flex; align-items: center; gap: 12px; margin-bottom: 1rem;
}
.section-tag::before { content: ''; display: block; width: 26px; height: 1px; background: linear-gradient(90deg, var(--accent), var(--accent2)); }
[data-theme="clean"] .section-tag::before { background: var(--accent); }
.section-title { font-family: var(--font-title); font-size: clamp(1.7rem,4vw,2.8rem); font-weight: 700; line-height: 1.1; margin-bottom: 1.4rem; }
[data-theme="clean"] .section-title { font-family: 'Inter', sans-serif; font-weight: 800; }
.section-lead { font-size: 1rem; font-weight: 400; color: var(--text2); line-height: 1.85; max-width: 700px; margin-bottom: 3rem; }
.section-lead strong { color: var(--accent); font-weight: 600; }
.divider { width: 100%; height: 1px; background: linear-gradient(90deg, transparent, var(--border), transparent); }

/* ── SCROLL REVEAL ───────────────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── BUTTONS ─────────────────────────────────────────────────── */
.btn-primary {
  font-family: var(--font-body); font-size: 0.82rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase; color: #000; text-decoration: none;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  padding: 13px 28px; display: inline-block; border: none; cursor: pointer;
  clip-path: polygon(12px 0%,100% 0%,calc(100% - 12px) 100%,0% 100%);
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 0 24px rgba(255,107,0,0.4); position: relative; overflow: hidden;
}
.btn-primary::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, var(--accent2), var(--accent)); opacity: 0; transition: opacity 0.2s; }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 0 40px rgba(255,107,0,0.6); }
.btn-primary:hover::before { opacity: 1; }
.btn-primary span { position: relative; z-index: 1; }
.btn-primary.btn-large { font-size: 0.92rem; padding: 16px 36px; }
[data-theme="blue"] .btn-primary { color: var(--bg); }
[data-theme="clean"] .btn-primary { clip-path: none; border-radius: 8px; box-shadow: 0 4px 16px rgba(99,102,241,0.3); color: #fff; }
[data-theme="clean"] .btn-primary:hover { box-shadow: 0 8px 28px rgba(99,102,241,0.5); }

.btn-secondary {
  font-family: var(--font-body); font-size: 0.82rem; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); text-decoration: none;
  padding: 12px 28px; border: 1px solid var(--accent);
  clip-path: polygon(12px 0%,100% 0%,calc(100% - 12px) 100%,0% 100%);
  display: inline-block; background: transparent; cursor: pointer;
  transition: color 0.25s, border-color 0.25s, box-shadow 0.25s, background 0.25s;
  position: relative; overflow: hidden;
}
.btn-secondary::before { content: ''; position: absolute; inset: 0; background: var(--surface2); transform: translateX(-100%); transition: transform 0.3s; }
.btn-secondary:hover { color: var(--accent2); border-color: var(--accent2); }
.btn-secondary:hover::before { transform: translateX(0); }
[data-theme="clean"] .btn-secondary { clip-path: none; border-radius: 8px; }

/* ── HERO ────────────────────────────────────────────────────── */
#home { min-height: 100vh; display: flex; align-items: center; position: relative; overflow: hidden; padding-top: 68px; }
.hero-grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(var(--grid-color) 1px, transparent 1px), linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridScroll 18s linear infinite;
}
@keyframes gridScroll { from{background-position:0 0} to{background-position:0 60px} }
[data-theme="clean"] .hero-grid { opacity: 0.5; }

.orb { position: absolute; border-radius: 50%; filter: blur(80px); pointer-events: none; animation: orbFloat 9s ease-in-out infinite; }
.orb-1 { width: 460px; height: 460px; background: radial-gradient(circle, rgba(255,107,0,0.13) 0%, transparent 70%); top: -120px; left: -120px; animation-delay: 0s; }
.orb-2 { width: 360px; height: 360px; background: radial-gradient(circle, rgba(255,215,0,0.08) 0%, transparent 70%); bottom: -100px; right: -100px; animation-delay: -4.5s; }
.orb-3 { width: 260px; height: 260px; background: radial-gradient(circle, rgba(255,140,0,0.07) 0%, transparent 70%); top: 40%; left: 55%; animation-delay: -2s; }
[data-theme="blue"] .orb-1 { background: radial-gradient(circle, rgba(0,245,255,0.10) 0%, transparent 70%); }
[data-theme="blue"] .orb-2 { background: radial-gradient(circle, rgba(0,128,255,0.07) 0%, transparent 70%); }
[data-theme="blue"] .orb-3 { background: radial-gradient(circle, rgba(0,200,255,0.06) 0%, transparent 70%); }
[data-theme="clean"] .orb-1 { background: radial-gradient(circle, rgba(99,102,241,0.12) 0%, transparent 70%); }
[data-theme="clean"] .orb-2 { background: radial-gradient(circle, rgba(139,92,246,0.08) 0%, transparent 70%); }
[data-theme="clean"] .orb-3 { background: radial-gradient(circle, rgba(99,102,241,0.06) 0%, transparent 70%); }
@keyframes orbFloat { 0%,100%{transform:translate(0,0) scale(1)} 33%{transform:translate(26px,-36px) scale(1.05)} 66%{transform:translate(-18px,18px) scale(0.96)} }

.particle-field { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
[data-theme="clean"] .particle-field { display: none; }
.particle { position: absolute; font-family: 'Fira Code', monospace; font-size: 0.60rem; color: var(--particle-col); animation: particleFall linear infinite; white-space: nowrap; }
@keyframes particleFall { 0%{transform:translateY(-20px);opacity:0} 8%{opacity:1} 88%{opacity:0.25} 100%{transform:translateY(100vh);opacity:0} }

.holo-ring-container { position: absolute; right: 7%; top: 50%; transform: translateY(-50%); width: 310px; height: 310px; perspective: 900px; }
[data-theme="clean"] .holo-ring-container { display: none; }
.holo-ring { position: absolute; inset: 0; border-radius: 50%; border: 1px solid transparent; transform-style: preserve-3d; }
.holo-ring-1 { border-color: var(--accent); box-shadow: 0 0 12px var(--accent); animation: ring3d 6s linear infinite; }
.holo-ring-2 { inset: 22px; border-color: var(--accent2); box-shadow: 0 0 8px var(--accent2); animation: ring3d 4s linear infinite reverse; }
.holo-ring-3 { inset: 52px; border-color: rgba(255,107,0,0.4); animation: ring3d 8s linear infinite; }
.holo-ring-4 { inset: 80px; border-color: rgba(255,215,0,0.25); animation: ring3d 5.5s linear infinite reverse; }
@keyframes ring3d { from{transform:rotateX(70deg) rotateZ(0deg)} to{transform:rotateX(70deg) rotateZ(360deg)} }
.holo-core { position: absolute; inset: 108px; border-radius: 50%; background: radial-gradient(circle, rgba(255,107,0,0.25) 0%, transparent 70%); animation: corePulse 2.2s ease-in-out infinite; display: flex; align-items: center; justify-content: center; }
@keyframes corePulse { 0%,100%{transform:scale(1);opacity:0.8} 50%{transform:scale(1.12);opacity:1} }
.holo-core-inner { font-family: 'Orbitron',monospace; font-size: 0.5rem; font-weight: 700; color: var(--accent2); letter-spacing: 0.1em; text-align: center; line-height: 1.9; text-shadow: 0 0 8px var(--accent2); }

.hero-content { position: relative; z-index: 10; max-width: 1400px; margin: 0 auto; padding: 0 2rem; width: 100%; }
.hero-left { max-width: 620px; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-body); font-size: 0.68rem; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent); border: 1px solid var(--border); padding: 5px 14px; margin-bottom: 1.8rem; background: var(--surface); animation: fadeUp 0.6s ease both; }
[data-theme="clean"] .hero-badge { border-radius: 999px; }
.badge-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); animation: blink 1.3s ease-in-out infinite; flex-shrink: 0; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.15} }

.hero-title { font-family: var(--font-title); font-size: clamp(2.8rem,8vw,6rem); font-weight: 900; line-height: 1.0; letter-spacing: -0.01em; margin-bottom: 1.4rem; animation: fadeUp 0.6s ease 0.15s both; }
[data-theme="clean"] .hero-title { font-family: 'Inter',sans-serif; letter-spacing: -0.03em; }
.hero-title-mid { color: var(--accent2); font-size: 0.58em; letter-spacing: 0.08em; text-shadow: 0 0 10px var(--accent2); }
[data-theme="clean"] .hero-title-mid { text-shadow: none; }
.hero-title-void { color: var(--text); }
.hero-subtitle { font-family: var(--font-body); font-size: clamp(0.88rem,1.8vw,1.02rem); font-weight: 400; color: var(--text2); line-height: 1.85; max-width: 520px; margin-bottom: 2rem; animation: fadeUp 0.6s ease 0.3s both; }
.hero-subtitle strong { color: var(--accent); font-weight: 600; }
[data-theme="clean"] .hero-subtitle strong { color: var(--accent); }

.hero-stats-row { display: flex; align-items: center; gap: 1.4rem; margin-bottom: 2.2rem; animation: fadeUp 0.6s ease 0.42s both; }
.hero-stat { display: flex; flex-direction: column; }
.hs-num { font-family: var(--font-title); font-size: 1.2rem; font-weight: 900; color: var(--accent); text-shadow: 0 0 12px var(--accent); line-height: 1; }
[data-theme="clean"] .hs-num { text-shadow: none; }
.hs-label { font-family: var(--font-body); font-size: 0.65rem; color: var(--muted); letter-spacing: 0.1em; text-transform: uppercase; }
.hs-div { width: 1px; height: 30px; background: var(--border); }
.hero-buttons { display: flex; gap: 1rem; flex-wrap: wrap; animation: fadeUp 0.6s ease 0.5s both; }
@keyframes fadeUp { from{opacity:0;transform:translateY(24px)} to{opacity:1;transform:translateY(0)} }

.scroll-hint { position: absolute; bottom: 2.5rem; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 6px; }
.scroll-hint span { font-family: var(--font-body); font-size: 0.6rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted); }
.scroll-hint-line { width: 1px; height: 40px; background: linear-gradient(180deg, var(--accent), transparent); animation: scrollPulse 1.8s ease-in-out infinite; }
@keyframes scrollPulse { 0%,100%{opacity:0.4} 50%{opacity:1} }
[data-theme="clean"] .scroll-hint { display: none; }

/* ── PURPOSE CARDS ───────────────────────────────────────────── */
#purpose { background: var(--bg); }
.purpose-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 1.2rem; margin-top: 2.5rem; }
.purpose-card {
  background: var(--surface); border: 1px solid var(--border);
  padding: 2rem 1.6rem; position: relative; overflow: hidden;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}
.purpose-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, var(--accent), var(--accent2)); transform: scaleX(0); transform-origin: left; transition: transform 0.4s; }
.purpose-card:hover { border-color: var(--border2); transform: translateY(-4px); box-shadow: 0 16px 32px rgba(0,0,0,0.3), 0 0 24px rgba(255,107,0,0.08); }
.purpose-card:hover::before { transform: scaleX(1); }
[data-theme="clean"] .purpose-card { border-radius: 12px; box-shadow: 0 2px 8px rgba(99,102,241,0.06); }
[data-theme="clean"] .purpose-card:hover { box-shadow: 0 12px 32px rgba(99,102,241,0.12); }
.purpose-icon { font-size: 2rem; margin-bottom: 1rem; display: block; }
.purpose-card h3 { font-family: var(--font-title); font-size: 0.9rem; font-weight: 700; color: var(--accent); margin-bottom: 0.7rem; letter-spacing: 0.04em; }
[data-theme="clean"] .purpose-card h3 { font-family: 'Inter',sans-serif; font-size: 1rem; font-weight: 700; }
.purpose-card p { font-size: 0.88rem; color: var(--text2); line-height: 1.75; font-weight: 400; }

/* ── ABOUT ───────────────────────────────────────────────────── */
#who { background: linear-gradient(180deg, var(--bg) 0%, var(--bg2) 50%, var(--bg) 100%); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3.5rem; align-items: start; margin-top: 2.5rem; }
.about-text p { font-size: 0.96rem; color: var(--text2); line-height: 1.9; margin-bottom: 1rem; }
.about-text p strong { color: var(--accent); font-weight: 600; }
.stats-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.9rem; margin-bottom: 1rem; }
.stat-card { background: var(--surface); border: 1px solid var(--border); padding: 1.4rem; position: relative; overflow: hidden; transition: border-color 0.3s, background 0.3s; }
.stat-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, var(--accent), var(--accent2)); transform: scaleX(0); transform-origin: left; transition: transform 0.35s; }
.stat-card:hover { border-color: var(--border2); background: var(--surface2); }
.stat-card:hover::before { transform: scaleX(1); }
[data-theme="clean"] .stat-card { border-radius: 8px; }
.stat-number { font-family: var(--font-title); font-size: 1.8rem; font-weight: 900; color: var(--accent); line-height: 1; text-shadow: 0 0 16px rgba(255,107,0,0.4); }
[data-theme="clean"] .stat-number { text-shadow: none; }
.stat-label { font-family: var(--font-body); font-size: 0.64rem; font-weight: 500; letter-spacing: 0.13em; text-transform: uppercase; color: var(--muted); margin-top: 5px; }
.tag-box { border: 1px solid var(--border); padding: 1.4rem; background: var(--surface); }
[data-theme="clean"] .tag-box { border-radius: 8px; }
.tag-box-label { font-family: var(--font-body); font-size: 0.66rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); margin-bottom: 0.8rem; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tag-pill { font-family: var(--font-body); font-size: 0.67rem; font-weight: 500; letter-spacing: 0.07em; text-transform: uppercase; color: var(--accent); border: 1px solid var(--border); padding: 3px 10px; background: var(--surface); transition: background 0.2s, border-color 0.2s; cursor: default; }
[data-theme="clean"] .tag-pill { border-radius: 999px; }
.tag-pill:hover { background: var(--surface2); border-color: var(--accent); }

/* ── TERMINAL ────────────────────────────────────────────────── */
.terminal { background: #080808; border: 1px solid var(--border2); overflow: hidden; margin-top: 2rem; box-shadow: 0 0 30px rgba(255,107,0,0.07); }
[data-theme="clean"] .terminal { background: #1a1a2e; border-color: var(--border); border-radius: 8px; }
.terminal-bar { background: #0e0e0e; padding: 9px 14px; display: flex; align-items: center; gap: 7px; border-bottom: 1px solid var(--border); }
.term-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.term-dot-1 { background: rgba(255,95,87,0.75); }
.term-dot-2 { background: rgba(255,189,46,0.75); }
.term-dot-3 { background: rgba(40,201,64,0.75); }
.term-title { font-family: 'Fira Code',monospace; font-size: 0.67rem; color: #444; margin-left: auto; letter-spacing: 0.04em; }
.terminal-body { padding: 1.2rem 1.4rem; min-height: 100px; }
.term-line { font-family: 'Fira Code',monospace; font-size: 0.79rem; font-weight: 400; line-height: 1.9; display: flex; gap: 10px; }
.term-line.ok   .term-status { color: #28C940; }
.term-line.scan .term-status { color: var(--accent2); }
.term-line.sys  .term-status { color: var(--accent); }
.term-msg { color: #bbb; }
.term-cursor { display: inline-block; width: 8px; height: 13px; background: var(--accent); animation: blink 1s step-end infinite; vertical-align: text-bottom; margin-left: 2px; }

/* ── JOIN / HEX ──────────────────────────────────────────────── */
#join { background: var(--bg); overflow: hidden; }
.join-inner { position: relative; }
.hex-bg { position: absolute; inset: 0; pointer-events: none; opacity: 0.035; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='87'%3E%3Cpolygon points='50,0 100,25 100,75 50,87 0,75 0,25' fill='none' stroke='%23FF6B00' stroke-width='1'/%3E%3C/svg%3E"); background-size: 78px 68px; }
[data-theme="blue"] .hex-bg { opacity: 0.03; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='87'%3E%3Cpolygon points='50,0 100,25 100,75 50,87 0,75 0,25' fill='none' stroke='%2300F5FF' stroke-width='1'/%3E%3C/svg%3E"); }
[data-theme="clean"] .hex-bg { display: none; }
.join-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 2.5rem; position: relative; z-index: 1; }
.join-feature { display: flex; gap: 1.4rem; align-items: flex-start; padding: 1.6rem; border: 1px solid var(--border); background: var(--surface); position: relative; overflow: hidden; transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s; cursor: default; }
.join-feature:hover { border-color: var(--border2); transform: translateY(-3px); box-shadow: 0 16px 32px rgba(0,0,0,0.3); }
[data-theme="clean"] .join-feature { border-radius: 10px; }
.feature-icon { width: 48px; height: 48px; flex-shrink: 0; border: 1px solid var(--accent); display: flex; align-items: center; justify-content: center; font-size: 1.25rem; background: var(--surface2); position: relative; }
[data-theme="clean"] .feature-icon { border-radius: 8px; }
.feature-icon::before { content: ''; position: absolute; inset: -3px; border: 1px solid rgba(255,107,0,0.15); animation: iconPulse 2.2s ease-in-out infinite; }
[data-theme="clean"] .feature-icon::before { display: none; }
@keyframes iconPulse { 0%,100%{transform:scale(1);opacity:1} 50%{transform:scale(1.13);opacity:0} }
.feature-title { font-family: var(--font-title); font-size: 0.82rem; font-weight: 700; color: var(--accent); margin-bottom: 0.4rem; letter-spacing: 0.04em; }
[data-theme="clean"] .feature-title { font-family: 'Inter',sans-serif; font-size: 0.9rem; }
.feature-desc { font-family: var(--font-body); font-size: 0.82rem; color: var(--text2); line-height: 1.7; }

/* ── PRIZES BANNER ───────────────────────────────────────────── */
.prizes-banner { margin-top: 3rem; border: 1px solid var(--border2); background: var(--surface); padding: 2.2rem; position: relative; z-index: 1; }
[data-theme="clean"] .prizes-banner { border-radius: 12px; }
.prizes-header { font-family: var(--font-title); font-size: 1.1rem; font-weight: 700; color: var(--accent2); margin-bottom: 1.8rem; }
[data-theme="clean"] .prizes-header { font-family: 'Inter',sans-serif; font-size: 1.15rem; }
.prizes-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.4rem; }
.prize-item { border-left: 2px solid var(--accent); padding-left: 1.2rem; }
[data-theme="clean"] .prize-item { border-left-color: var(--accent); }
.prize-icon { font-size: 1.5rem; margin-bottom: 0.5rem; }
.prize-name { font-family: var(--font-title); font-size: 0.8rem; font-weight: 700; color: var(--text); margin-bottom: 0.4rem; }
[data-theme="clean"] .prize-name { font-family: 'Inter',sans-serif; font-size: 0.9rem; }
.prize-desc { font-size: 0.82rem; color: var(--text2); line-height: 1.65; }
.prize-desc em { color: var(--accent); font-style: normal; font-weight: 600; }

/* ── CTF CARDS ───────────────────────────────────────────────── */
#ctf { background: linear-gradient(180deg, var(--bg) 0%, var(--bg2) 100%); overflow: hidden; }
.ctf-cards-grid { display: grid; grid-template-columns: repeat(5,1fr); gap: 1rem; margin-bottom: 3rem; }
.ctf-cat-card { position: relative; overflow: hidden; padding: 2rem 1.4rem 1.6rem; background: var(--surface); border: 1px solid var(--border); text-align: center; cursor: default; transition: border-color 0.35s, transform 0.35s; }
.ctf-cat-card::before { content: ''; position: absolute; inset: -1px; background: linear-gradient(135deg, var(--accent), var(--accent2), var(--accent)); z-index: -1; opacity: 0; transition: opacity 0.35s; }
.ctf-cat-card:hover { border-color: transparent; transform: translateY(-5px); }
.ctf-cat-card:hover::before { opacity: 1; }
.ctf-cat-card:hover .ctf-card-glow { opacity: 1; transform: scale(1.4); }
[data-theme="clean"] .ctf-cat-card { border-radius: 12px; }
.ctf-cat-icon { font-size: 2rem; margin-bottom: 0.8rem; display: block; filter: drop-shadow(0 0 5px var(--accent)); }
.ctf-cat-name { font-family: var(--font-title); font-size: 0.86rem; font-weight: 700; color: var(--text); letter-spacing: 0.06em; margin-bottom: 0.5rem; }
[data-theme="clean"] .ctf-cat-name { font-family: 'Inter',sans-serif; }
.ctf-cat-count { font-family: var(--font-body); font-size: 0.70rem; font-weight: 500; color: var(--muted); letter-spacing: 0.05em; }
.count-num { color: var(--accent); font-weight: 700; font-size: 0.86rem; }
.ctf-card-glow { position: absolute; bottom: -20px; left: 50%; transform: translateX(-50%) scale(1); width: 85px; height: 48px; background: radial-gradient(ellipse at center, rgba(255,107,0,0.24) 0%, transparent 70%); opacity: 0; transition: opacity 0.35s, transform 0.35s; pointer-events: none; }
.ctf-platform-cta { display: flex; flex-direction: column; align-items: center; gap: 0.9rem; }
.ctf-cta-note { font-family: var(--font-body); font-size: 0.72rem; color: var(--muted); letter-spacing: 0.05em; }

/* ── INTERACTIVE TOOLS ───────────────────────────────────────── */
#interactive { background: var(--bg2); }
.tool-tabs { display: flex; gap: 0.5rem; margin-bottom: 0; flex-wrap: wrap; }
.tool-tab { font-family: var(--font-body); font-size: 0.8rem; font-weight: 500; letter-spacing: 0.06em; color: var(--muted); background: var(--surface); border: 1px solid var(--border); padding: 10px 20px; cursor: pointer; transition: all 0.25s; }
.tool-tab:hover { color: var(--accent); border-color: var(--accent); }
.tool-tab.active { color: var(--bg); background: var(--accent); border-color: var(--accent); }
[data-theme="clean"] .tool-tab { border-radius: 8px 8px 0 0; }
.tool-panel { display: none; border: 1px solid var(--border); border-top: 2px solid var(--accent); background: var(--bg3); padding: 2rem; }
.tool-panel.active { display: block; }
[data-theme="clean"] .tool-panel { border-radius: 0 8px 8px 8px; }

/* Quiz */
.quiz-box { max-width: 680px; margin: 0 auto; }
.quiz-topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 2rem; padding-bottom: 1rem; border-bottom: 1px solid var(--border); }
.quiz-tag { font-family: var(--font-body); font-size: 0.68rem; color: var(--accent); letter-spacing: 0.15em; text-transform: uppercase; }
.quiz-score { font-family: var(--font-body); font-size: 0.82rem; color: var(--text2); }
.quiz-score b { color: var(--accent); }
.quiz-q { font-family: var(--font-body); font-size: 1.02rem; font-weight: 500; color: var(--text); margin-bottom: 1.8rem; line-height: 1.6; }
.quiz-opts { display: flex; flex-direction: column; gap: 0.6rem; margin-bottom: 1.5rem; }
.quiz-opt { font-family: var(--font-body); font-size: 0.88rem; color: var(--text2); background: var(--surface); border: 1px solid var(--border); padding: 12px 18px; cursor: pointer; text-align: left; transition: all 0.2s; }
[data-theme="clean"] .quiz-opt { border-radius: 8px; }
.quiz-opt:hover { border-color: var(--accent); color: var(--accent); background: var(--surface2); }
.quiz-opt.correct { border-color: #28C940; color: #28C940; background: rgba(40,201,64,0.1); }
.quiz-opt.wrong   { border-color: #FF5F57; color: #FF5F57; background: rgba(255,95,87,0.1); }
.quiz-opt:disabled { cursor: default; }
.quiz-feedback { font-family: var(--font-body); font-size: 0.84rem; min-height: 26px; color: var(--text2); margin-bottom: 1rem; }
.quiz-next { margin-top: 0.5rem; }
.quiz-end { text-align: center; padding: 2rem 0; }
.quiz-end-score { font-family: var(--font-title); font-size: 3rem; font-weight: 900; color: var(--accent); margin-bottom: 0.5rem; text-shadow: 0 0 20px var(--accent); }
[data-theme="clean"] .quiz-end-score { text-shadow: none; }
.quiz-end-msg { font-family: var(--font-body); font-size: 1rem; color: var(--text2); margin-bottom: 2rem; }

/* Encoder */
.enc-box {display: block;}
.enc-topbar { font-family: var(--font-body); font-size: 0.68rem; color: var(--accent); letter-spacing: 0.15em; text-transform: uppercase; margin-bottom: 1.2rem; }
.enc-controls { display: flex; gap: 1rem; margin-bottom: 1.2rem; flex-wrap: wrap; }
.enc-field { display: flex; flex-direction: column; gap: 5px; }
.enc-lbl { font-family: var(--font-body); font-size: 0.68rem; color: var(--muted); letter-spacing: 0.1em; text-transform: uppercase; }
.enc-select, .enc-shift { font-family: var(--font-body); font-size: 0.82rem; color: var(--text); background: var(--surface); border: 1px solid var(--border); padding: 8px 12px; outline: none; cursor: pointer; transition: border-color 0.2s; }
.enc-select:focus, .enc-shift:focus { border-color: var(--accent); }
[data-theme="clean"] .enc-select, [data-theme="clean"] .enc-shift { border-radius: 6px; }
.enc-shift { width: 80px; }
.enc-cols { display: grid; grid-template-columns: 1fr auto 1fr; gap: 1rem; align-items: center; margin-bottom: 1rem; }
.enc-textarea { font-family: 'Fira Code',monospace; font-size: 0.82rem; color: var(--text); background: var(--bg); border: 1px solid var(--border); padding: 14px; width: 100%; min-height: 140px; resize: vertical; outline: none; transition: border-color 0.2s; line-height: 1.6; }
.enc-textarea:focus { border-color: var(--accent); }
[data-theme="clean"] .enc-textarea { border-radius: 6px; background: var(--bg3); }
.enc-run { width: 44px; height: 44px; background: var(--accent); border: none; cursor: pointer; display: flex; align-items: center; justify-content: center; clip-path: polygon(8px 0%,100% 0%,calc(100% - 8px) 100%,0% 100%); transition: background 0.2s, box-shadow 0.2s; color: var(--bg); flex-shrink: 0; }
[data-theme="clean"] .enc-run { clip-path: none; border-radius: 8px; }
.enc-run:hover { background: var(--accent2); box-shadow: 0 0 16px var(--accent); }
.enc-actions { display: flex; gap: 0.8rem; flex-wrap: wrap; }

/* Hacker Typer */
.hacker-box { border: 1px solid var(--border); overflow: hidden; }
[data-theme="clean"] .hacker-box { border-radius: 8px; overflow: hidden; }
.hacker-bar { background: #0a0a0a; padding: 10px 16px; display: flex; align-items: center; gap: 8px; border-bottom: 1px solid var(--border); }
.hacker-title { font-family: 'Fira Code',monospace; font-size: 0.72rem; color: #555; flex: 1; margin-left: 6px; }
.hacker-clear { font-family: 'Fira Code',monospace; font-size: 0.7rem; color: var(--muted); background: none; border: none; cursor: pointer; transition: color 0.2s; padding: 2px 8px; border-left: 1px solid var(--border); }
.hacker-clear:hover { color: var(--accent); }
.hacker-screen { background: #060606; padding: 1.4rem; min-height: 300px; max-height: 360px; overflow-y: auto; font-family: 'Fira Code',monospace; font-size: 0.78rem; color: #28C940; line-height: 1.7; outline: none; cursor: pointer; white-space: pre-wrap; word-break: break-all; }
[data-theme="clean"] .hacker-screen { background: #0d1117; border-radius: 0; }
.hacker-screen:focus { border: none; outline: none; }
.hacker-hint { color: var(--text2); font-size: 0.82rem; line-height: 1.85; pointer-events: none; }
.hacker-footer { background: #0a0a0a; border-top: 1px solid var(--border); padding: 7px 16px; display: flex; gap: 1rem; font-family: 'Fira Code',monospace; font-size: 0.66rem; color: var(--muted); }

/* ── COMMUNITY / SOCIAL CARDS ────────────────────────────────── */
#community { background: var(--bg); }
.community-cards { display: grid; grid-template-columns: repeat(6,1fr); gap: 1rem; }
.community-card {
  display: flex; flex-direction: column; align-items: center; gap: 0.6rem;
  padding: 1.8rem 1rem; border: 1px solid var(--border); background: var(--surface);
  text-decoration: none; transition: all 0.3s; position: relative; overflow: hidden;
}
.community-card::before { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 3px; transform: scaleX(0); transition: transform 0.3s; }
.community-card:hover { transform: translateY(-5px); border-color: var(--border2); }
.community-card:hover::before { transform: scaleX(1); }
[data-theme="clean"] .community-card { border-radius: 12px; }
.cc-icon { width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; }
.cc-icon svg { width: 100%; height: 100%; }
.cc-name { font-family: var(--font-title); font-size: 0.78rem; font-weight: 700; color: var(--text); }
[data-theme="clean"] .cc-name { font-family: 'Inter',sans-serif; }
.cc-handle { font-family: var(--font-body); font-size: 0.65rem; color: var(--muted); }
.cc-cta { font-family: var(--font-body); font-size: 0.68rem; font-weight: 600; letter-spacing: 0.06em; padding: 4px 12px; border: 1px solid; text-align: center; }
[data-theme="clean"] .cc-cta { border-radius: 999px; }
.cc-soon { color: var(--muted); border-color: var(--border); }

/* Per-platform colours */
.c-discord  .cc-icon { color: #5865F2; }
.c-discord  .cc-cta  { color: #fff; background: #5865F2; border-color: #5865F2; }
.c-discord::before   { background: #5865F2; }
.c-discord:hover     { border-color: #5865F2; }

.c-youtube  .cc-icon { color: #FF0000; }
.c-youtube::before   { background: #FF0000; }
.c-youtube:hover     { border-color: #FF0000; }

.c-instagram .cc-icon { color: #E1306C; }
.c-instagram::before  { background: linear-gradient(90deg,#f09433,#e6683c,#dc2743,#cc2366,#bc1888); }
.c-instagram:hover    { border-color: #E1306C; }

.c-tiktok  .cc-icon { color: var(--text); }
.c-tiktok::before   { background: #010101; }
.c-tiktok:hover     { border-color: #69C9D0; }

.c-github  .cc-icon { color: var(--text); }
.c-github::before   { background: #333; }
.c-github:hover     { border-color: #888; }

.c-facebook .cc-icon { color: #1877F2; }
.c-facebook::before  { background: #1877F2; }
.c-facebook:hover    { border-color: #1877F2; }

/* ── FOOTER ──────────────────────────────────────────────────── */
footer { border-top: 1px solid var(--border); background: var(--bg3); padding: 2.8rem 2rem; }
.footer-inner { max-width: 1400px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; flex-wrap: wrap; }
.footer-logo-wrap { display: flex; align-items: center; gap: 10px; }
.footer-logo-svg { width: 32px; height: 32px; color: var(--accent); }
.footer-logo-text { font-family: var(--font-title); font-weight: 900; font-size: 1.1rem; color: var(--accent); }
.footer-copy { font-family: var(--font-body); font-size: 0.68rem; color: #444; letter-spacing: 0.07em; text-align: center; }
[data-theme="clean"] .footer-copy { color: var(--muted); }
.footer-sub { color: #2e2e2e; }
[data-theme="clean"] .footer-sub { color: var(--muted); opacity: 0.7; }
.footer-links { display: flex; gap: 1.4rem; }
.footer-links a { font-family: var(--font-body); font-size: 0.69rem; font-weight: 500; color: var(--muted); text-decoration: none; letter-spacing: 0.06em; transition: color 0.2s; }
.footer-links a:hover { color: var(--accent); }

/* ── RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width: 1200px) {
  .ctf-cards-grid { grid-template-columns: repeat(3,1fr); }
  .community-cards { grid-template-columns: repeat(3,1fr); }
  .purpose-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; }
  .join-grid  { grid-template-columns: 1fr; }
  .prizes-grid { grid-template-columns: 1fr; }
  .holo-ring-container { display: none; }
  .ctf-cards-grid { grid-template-columns: repeat(2,1fr); }
  .community-cards { grid-template-columns: repeat(3,1fr); }
  .enc-cols { grid-template-columns: 1fr; }
  .enc-run { width: 100%; height: 40px; clip-path: none; }
  [data-theme="clean"] .enc-run { border-radius: 6px; }
}
@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav-cta-wrap { display: none; }
  .nav-links { display: none; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0; background: var(--nav-bg); border-bottom: 1px solid var(--border); padding: 1.4rem 2rem; gap: 1.4rem; z-index: 490; backdrop-filter: blur(20px); }
  .nav-links.open { display: flex; }
  .nav-right .nav-cta { display: none; }
  .purpose-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: clamp(2.2rem,12vw,4rem); }
  .section-wrapper { padding: 4rem 1.2rem; }
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-links { justify-content: center; }
  .tool-tabs { gap: 4px; }
  .tool-tab { font-size: 0.72rem; padding: 8px 12px; }
}
@media (max-width: 540px) {
  .ctf-cards-grid { grid-template-columns: 1fr 1fr; gap: 0.7rem; }
  .community-cards { grid-template-columns: repeat(2,1fr); }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .hero-buttons { flex-direction: column; }
  .btn-primary, .btn-secondary { text-align: center; }
  .hero-stats-row { gap: 0.9rem; }
}