/* ═══════════════════════════════════════════════════════
   ACRO PORTFOLIO — Dark Ops Hacker System
   ═══════════════════════════════════════════════════════ */

:root {
  --bg-void: #010201;
  --bg-surface: #050b08;
  --bg-card: rgba(4, 12, 8, 0.8);
  --bg-elevated: rgba(8, 18, 12, 0.9);
  --bg-deep: #030805;

  --accent: #53ff6e;
  --accent-light: #ccffd2;
  --accent-dim: #0f6a35;
  --accent-glow: rgba(83, 255, 110, 0.18);
  --accent-subtle: rgba(83, 255, 110, 0.06);
  --secondary: #84ff91;
  --secondary-glow: rgba(132, 255, 145, 0.14);
  --cyan: #a2f7b6;
  --cyan-glow: rgba(162, 247, 182, 0.12);
  --danger: #ff6b7a;

  --glass-bg: rgba(4, 11, 7, 0.74);
  --glass-border: rgba(83, 255, 110, 0.08);
  --glass-highlight: rgba(255, 255, 255, 0.03);

  --text-primary: #effef3;
  --text-secondary: #9db2a2;
  --text-muted: #66766a;
  --text-dim: #415046;

  --font-display: 'Space Grotesk', sans-serif;
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 150ms;
  --duration-normal: 300ms;
  --duration-slow: 600ms;

  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --shadow-glow: 0 0 32px var(--accent-glow);
  --shadow-card: 0 12px 48px rgba(0, 0, 0, 0.34);
  --shadow-elevated: 0 18px 60px rgba(0, 0, 0, 0.55);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-padding-top: 64px;
}

body {
  font-family: var(--font-body);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  background:
    radial-gradient(circle at 18% 16%, rgba(83, 255, 110, 0.05), transparent 24%),
    radial-gradient(circle at 82% 0%, rgba(162, 247, 182, 0.04), transparent 22%),
    radial-gradient(circle at 50% 100%, rgba(15, 106, 53, 0.1), transparent 30%),
    linear-gradient(180deg, #010201 0%, #040905 52%, #010201 100%);
  background-attachment: fixed;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    linear-gradient(120deg, rgba(83, 255, 110, 0.025), transparent 35%),
    linear-gradient(300deg, rgba(162, 247, 182, 0.03), transparent 32%),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.02) 0 1px, transparent 1px 120px),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.015) 0 1px, transparent 1px 120px);
  opacity: 0.45;
  mix-blend-mode: screen;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9990;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #020503; }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--accent-dim), var(--accent));
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

h1 { font-size: clamp(2.6rem, 6vw, 5.6rem); }
h2 { font-size: clamp(1.9rem, 4vw, 3.2rem); }
h3 { font-size: clamp(1.15rem, 2.5vw, 1.45rem); }

p {
  font-size: clamp(0.92rem, 1.5vw, 1.04rem);
  color: var(--text-secondary);
  line-height: 1.75;
}

a {
  color: var(--accent-light);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out), opacity var(--duration-fast) var(--ease-out);
}

a:hover { color: var(--cyan); }

code, .mono { font-family: var(--font-mono); }

::selection {
  background: rgba(82, 242, 177, 0.85);
  color: #02110b;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
  position: relative;
  z-index: 1;
}

.section {
  padding: var(--space-5xl) 0;
  position: relative;
  isolation: isolate;
}

.section::before {
  content: '';
  position: absolute;
  inset: 0 auto auto 0;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(82, 242, 177, 0.08), transparent 70%);
  pointer-events: none;
  filter: blur(18px);
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: var(--space-sm);
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.42rem 0.8rem;
  border-radius: 999px;
  border: 1px solid rgba(186, 255, 224, 0.1);
  background: rgba(5, 14, 10, 0.44);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.14);
}

.section-label::before {
  content: '';
  width: 18px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent));
}

.section-title {
  margin-bottom: var(--space-md);
  background: linear-gradient(135deg, #f4fff9 0%, var(--accent-light) 45%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-wrap: balance;
}

.section-desc {
  max-width: 620px;
  margin-bottom: var(--space-3xl);
  color: var(--text-muted);
}

.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(18px) saturate(170%);
  -webkit-backdrop-filter: blur(18px) saturate(170%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
}

.glass-strong {
  background: rgba(5, 14, 10, 0.88);
  backdrop-filter: blur(28px) saturate(190%);
  -webkit-backdrop-filter: blur(28px) saturate(190%);
  border: 1px solid rgba(186, 255, 224, 0.12);
  border-radius: var(--radius-lg);
}

.glow-text {
  text-shadow: 0 0 18px rgba(82, 242, 177, 0.32), 0 0 38px rgba(82, 242, 177, 0.14);
}

.glow-border {
  box-shadow: 0 0 0 1px var(--glass-border), 0 0 38px rgba(82, 242, 177, 0.12);
}

.reveal {
  opacity: 0;
  transform: translateY(36px);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
  transition: opacity var(--duration-slow) var(--ease-out), transform var(--duration-slow) var(--ease-out);
}

#sparkle-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 5;
  pointer-events: none;
  mix-blend-mode: screen;
  opacity: 0.72;
}

@media (max-width: 768px) {
  .container { padding: 0 var(--space-md); }
  .section { padding: var(--space-3xl) 0; }
  body { background-attachment: scroll; }
}

@media (max-width: 480px) {
  html { font-size: 14px; }
}