*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --bg: #08080d; --bg-elevated: #0e0e16; --bg-card: #13131c; --surface: #1a1a26;
  --border: #252535; --text: #e4e4ee; --text-muted: #6e6e84;
  --accent: #f05a8e; --accent-dim: rgba(240,90,142,0.08); --accent-glow: rgba(240,90,142,0.25);
  --cyber-green: #00ff88; --cyber-green-dim: rgba(0,255,136,0.06);
  --font: 'Outfit', sans-serif;
}

/* Light mode */
[data-theme="light"] {
  --bg: #f4f4f8; --bg-elevated: #ffffff; --bg-card: #ffffff; --surface: #eaeaef;
  --border: #d8d8e2; --text: #1a1a2e; --text-muted: #6b6b82;
  --accent: #d6336c; --accent-dim: rgba(214,51,108,0.08); --accent-glow: rgba(214,51,108,0.2);
  --cyber-green: #0a8754; --cyber-green-dim: rgba(10,135,84,0.06);
}
[data-theme="light"] body::after { display: none; }

html { scroll-behavior: smooth; }
body { font-family: var(--font); background: var(--bg); color: var(--text); overflow-x: hidden; line-height: 1.6; transition: background 0.4s, color 0.4s; }
::selection { background: var(--accent); color: white; }
body::after { content: ''; position: fixed; inset: 0; background: repeating-linear-gradient(0deg,transparent,transparent 2px,rgba(255,255,255,0.008) 2px,rgba(255,255,255,0.008) 4px); pointer-events: none; z-index: 9999; }

/* NAV */
nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; padding: 1.25rem 3rem; display: flex; justify-content: space-between; align-items: center; backdrop-filter: blur(20px); background: color-mix(in srgb, var(--bg) 80%, transparent); border-bottom: 1px solid var(--border); transition: background 0.4s; }
.logo { font-weight: 700; font-size: 1.15rem; color: var(--text); text-decoration: none; display: flex; align-items: center; gap: 0.5rem; }
.logo-lock { width: 18px; height: 18px; stroke: var(--accent); stroke-width: 2; fill: none; }
.logo span { color: var(--accent); }
.nav-right { display: flex; align-items: center; gap: 2rem; }
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a { color: var(--text-muted); text-decoration: none; font-size: 0.8rem; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; transition: color 0.3s; position: relative; padding: 0.25rem 0; }
.nav-links a::after { content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px; background: var(--accent); transition: width 0.3s ease; }
.nav-links a:hover,.nav-links a.active { color: var(--text); }
.nav-links a:hover::after,.nav-links a.active::after { width: 100%; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 0.5rem; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--text); margin: 5px 0; transition: all 0.3s; }

/* Theme toggle */
.theme-toggle { background: none; border: 1px solid var(--border); border-radius: 50%; width: 36px; height: 36px; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all 0.3s; flex-shrink: 0; }
.theme-toggle:hover { border-color: var(--accent); }
.theme-toggle svg { width: 16px; height: 16px; stroke: var(--text-muted); fill: none; stroke-width: 2; transition: stroke 0.3s; }
.theme-toggle:hover svg { stroke: var(--accent); }
.theme-toggle .icon-sun { display: none; }
[data-theme="light"] .theme-toggle .icon-moon { display: none; }
[data-theme="light"] .theme-toggle .icon-sun { display: block; }

/* SHARED */
section { padding: 7rem 3rem; }
.section-label { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent); margin-bottom: 1rem; display: flex; align-items: center; gap: 0.5rem; }
.section-label::before { content: '//'; color: var(--text-muted); }
.section-title { font-size: clamp(2rem,4vw,3rem); font-weight: 700; letter-spacing: -0.02em; margin-bottom: 1rem; }
.section-description { color: var(--text-muted); max-width: 600px; font-size: 1.02rem; line-height: 1.7; margin-bottom: 3rem; }
.btn { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.9rem 2rem; border-radius: 60px; font-family: var(--font); font-size: 0.88rem; font-weight: 500; text-decoration: none; cursor: pointer; border: none; transition: all 0.35s ease; }
.btn--primary { background: var(--accent); color: white; }
.btn--primary:hover { box-shadow: 0 0 30px var(--accent-glow); transform: translateY(-2px); }
.btn--ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn--ghost:hover { border-color: var(--text-muted); transform: translateY(-2px); }

/* FOOTER */
footer { padding: 3rem; border-top: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
footer p { color: var(--text-muted); font-size: 0.82rem; }
.footer-socials { display: flex; gap: 1.5rem; }
.footer-socials a { color: var(--text-muted); text-decoration: none; font-size: 0.82rem; transition: color 0.3s; }
.footer-socials a:hover { color: var(--accent); }

/* ANIMATIONS */
.reveal { opacity: 0; transform: translateY(35px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(28px); } to { opacity: 1; transform: translateY(0); } }

/* PAGE HEADER */
.page-header { padding: 10rem 3rem 4rem; position: relative; overflow: hidden; }
.page-header-orb { position: absolute; width: 500px; height: 500px; border-radius: 50%; filter: blur(130px); pointer-events: none; background: radial-gradient(circle,rgba(240,90,142,0.05) 0%,transparent 70%); top: -15%; right: -5%; }
.page-header h1 { font-size: clamp(2.5rem,6vw,5rem); font-weight: 800; letter-spacing: -0.03em; line-height: 1.1; opacity: 0; animation: fadeUp 0.8s ease forwards 0.2s; }
.page-header h1 em { font-style: normal; color: var(--accent); }
.page-header-sub { margin-top: 1rem; color: var(--text-muted); font-size: 1.1rem; max-width: 560px; opacity: 0; animation: fadeUp 0.8s ease forwards 0.4s; }

/* FORM */
.form-group { margin-bottom: 1.5rem; }
.form-label { display: block; font-size: 0.78rem; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 0.5rem; }
.form-input,.form-textarea { width: 100%; padding: 0.95rem 1.1rem; background: var(--bg); border: 1px solid var(--border); border-radius: 10px; color: var(--text); font-family: var(--font); font-size: 0.92rem; transition: all 0.3s; outline: none; }
.form-input:focus,.form-textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-dim); }
.form-textarea { resize: vertical; min-height: 140px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* RESPONSIVE */
@media (max-width: 768px) {
  nav { padding: 1rem 1.5rem; }
  .nav-links { display: none; position: absolute; top: 100%; left: 0; right: 0; background: color-mix(in srgb, var(--bg) 95%, transparent); backdrop-filter: blur(20px); flex-direction: column; padding: 1.5rem; gap: 1rem; border-bottom: 1px solid var(--border); }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  section { padding: 4rem 1.5rem; }
  .page-header { padding: 8rem 1.5rem 3rem; }
  .form-row { grid-template-columns: 1fr; }
}