/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0a0a0a;
  --bg2: #111111;
  --accent: #00ff88;
  --accent-dim: rgba(0,255,136,0.15);
  --border: #1e1e1e;
  --text: #ffffff;
  --muted: #888888;
  --radius: 10px;
  --nav-h: 64px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; }

/* ===== CONTAINER ===== */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
}
.btn-primary {
  background: var(--accent);
  color: #000;
}
.btn-primary:hover { background: #00cc6a; transform: translateY(-2px); }
.btn-secondary {
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--accent);
}
.btn-secondary:hover { background: var(--accent-dim); }
.btn-full { width: 100%; text-align: center; }

/* ===== NAV ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.5px;
}
.nav-links {
  display: flex;
  gap: 32px;
}
.nav-links a {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: var(--nav-h);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 60% 40%, rgba(0,255,136,0.08) 0%, transparent 60%),
              radial-gradient(ellipse at 20% 80%, rgba(0,255,136,0.05) 0%, transparent 50%);
  pointer-events: none;
}
.hero-content { position: relative; z-index: 1; padding: 80px 24px; }
.hero-tag {
  display: inline-block;
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid rgba(0,255,136,0.3);
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
}
.hero-headline {
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -2px;
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 560px;
  margin-bottom: 36px;
}
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; }

/* ===== SOCIAL PROOF ===== */
.proof {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 40px 0;
}
.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.proof-tile { padding: 16px; }
.proof-num {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 6px;
}
.proof-label { font-size: 0.85rem; color: var(--muted); font-weight: 500; }

/* ===== SECTION TITLES ===== */
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 48px;
}

/* ===== CARDS ===== */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: border-color 0.2s, transform 0.2s;
}
.card:hover { border-color: rgba(0,255,136,0.3); transform: translateY(-4px); }
.card-icon { font-size: 2rem; margin-bottom: 16px; }
.card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 12px; }
.card p { color: var(--muted); font-size: 0.95rem; margin-bottom: 24px; }
.card-muted { opacity: 0.5; pointer-events: none; }

.badge {
  background: var(--accent-dim);
  color: var(--accent);
  font-size: 0.7rem;
  padding: 3px 8px;
  border-radius: 100px;
  font-weight: 600;
  vertical-align: middle;
  margin-left: 8px;
}

/* ===== SERVICES ===== */
.services { padding: 100px 0; }
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

/* ===== ABOUT ===== */
.about {
  padding: 100px 0;
  background: var(--bg2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.about-inner {
  display: flex;
  gap: 64px;
  align-items: center;
}
.photo-circle {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: var(--accent-dim);
  border: 2px solid rgba(0,255,136,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  flex-shrink: 0;
}
.about-text h2 { font-size: 2rem; font-weight: 800; margin-bottom: 16px; letter-spacing: -1px; }
.about-text p { color: var(--muted); margin-bottom: 24px; max-width: 480px; }
.skills { display: flex; flex-wrap: wrap; gap: 10px; }
.skill {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
}

/* ===== BOOK ===== */
.book { padding: 100px 0; }
.book-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

/* ===== TESTIMONIALS ===== */
.testimonials {
  padding: 100px 0;
  background: var(--bg2);
  border-top: 1px solid var(--border);
}
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.quote {
  color: var(--text);
  font-style: italic;
  margin-bottom: 20px;
  line-height: 1.7;
}
.testimonial-author { display: flex; align-items: center; gap: 10px; }
.tag {
  background: var(--accent-dim);
  color: var(--accent);
  font-size: 0.75rem;
  padding: 3px 10px;
  border-radius: 100px;
  font-weight: 600;
}

/* ===== CONTACT ===== */
.contact { padding: 100px 0; }
.contact-form {
  max-width: 560px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 0.85rem; font-weight: 600; color: var(--muted); }
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color 0.2s;
  resize: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.form-success {
  display: none;
  color: var(--accent);
  font-weight: 600;
  padding: 12px;
  background: var(--accent-dim);
  border-radius: var(--radius);
  text-align: center;
}

/* ===== FOOTER ===== */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  background: var(--bg);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}
.footer-left { display: flex; align-items: center; gap: 16px; }
.footer-copy { color: var(--muted); font-size: 0.85rem; }
.footer-nav { display: flex; gap: 24px; }
.footer-nav a { color: var(--muted); font-size: 0.85rem; transition: color 0.2s; }
.footer-nav a:hover { color: var(--text); }
.footer-social { display: flex; gap: 16px; }
.footer-social a { color: var(--muted); font-size: 0.85rem; transition: color 0.2s; }
.footer-social a:hover { color: var(--accent); }

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

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .nav-links { display: none; flex-direction: column; position: absolute; top: var(--nav-h); left: 0; right: 0; background: var(--bg); padding: 24px; border-bottom: 1px solid var(--border); gap: 20px; }
  .nav-links.open { display: flex; }
  .nav-hamburger { display: flex; }
  .hero-headline { letter-spacing: -1px; }
  .proof-grid { grid-template-columns: repeat(2, 1fr); }
  .about-inner { flex-direction: column; gap: 32px; text-align: center; }
  .skills { justify-content: center; }
  .book-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-nav { justify-content: center; }
  .footer-social { justify-content: center; }
}