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

:root {
  --accent: #6c63ff;
  --accent2: #00d4ff;
  --dark: #0a0a0f;
  --dark2: #111118;
  --text: #e8e8f0;
  --muted: #8888aa;
  --card: rgba(255,255,255,0.04);
  --border: rgba(255,255,255,0.08);
  --r: 18px;
  --font: 'Inter', system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--dark);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.6;
}

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--dark); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }

/* NAV */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 48px;
  transition: background .3s, backdrop-filter .3s;
}
nav.scrolled {
  background: rgba(10,10,15,0.9);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  font-size: 1.25rem; font-weight: 900; letter-spacing: -.5px; text-decoration: none;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.nav-links {
  display: flex; list-style: none; align-items: center;
  background: rgba(108,99,255,0.12);
  border: 1px solid rgba(108,99,255,0.25);
  border-radius: 100px; padding: 2px;
  gap: 0; backdrop-filter: blur(10px);
}
.nav-links li { display: flex; align-items: center; }
.nav-links a {
  color: rgba(255,255,255,.8); text-decoration: none; font-size: .82rem; font-weight: 600;
  padding: 8px 18px; border-radius: 100px; letter-spacing: .2px;
  transition: background .2s, color .2s;
  white-space: nowrap;
}
.nav-links a:hover { background: rgba(255,255,255,.1); color: #fff; }
.nav-sep { color: rgba(255,255,255,.25); font-size: .9rem; font-weight: 300; line-height: 1; padding: 0; user-select: none; }

/* HERO */
#hero {
  min-height: 100vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 80px 24px 60px;
  background: radial-gradient(ellipse 80% 50% at 50% 0%, rgba(108,99,255,.16), transparent 65%),
              var(--dark);
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 100px; padding: 6px 16px;
  font-size: .75rem; color: var(--muted); margin-bottom: 28px;
}
.dot { width: 7px; height: 7px; background: #22c55e; border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.3} }

#hero h1 {
  font-size: clamp(2.6rem, 6vw, 4.8rem);
  font-weight: 900; letter-spacing: -2px; line-height: 1.1; margin-bottom: 22px;
}
#hero h1 span {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
#hero p { font-size: 1.05rem; color: var(--muted); line-height: 1.7; margin-bottom: 36px; max-width: 520px; }
.hero-buttons { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff; border: none; padding: 14px 32px; border-radius: 100px;
  font-size: .95rem; font-weight: 700; cursor: pointer; text-decoration: none;
  box-shadow: 0 8px 28px rgba(108,99,255,.35);
  transition: transform .2s, box-shadow .2s; display: inline-block;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 40px rgba(108,99,255,.45); }
.btn-ghost {
  background: transparent; border: 1px solid var(--border); color: var(--text);
  padding: 14px 32px; border-radius: 100px; font-size: .95rem;
  font-weight: 600; cursor: pointer; text-decoration: none; display: inline-block;
  transition: background .2s, border-color .2s;
}
.btn-ghost:hover { background: var(--card); border-color: rgba(255,255,255,.18); }

/* SECTIONS */
section { padding: 64px 24px; }
.container { max-width: 1100px; margin: 0 auto; }

.section-tag {
  display: inline-block; font-size: .68rem; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase; color: var(--accent); margin-bottom: 12px;
}
.section-header { margin-bottom: 36px; }
.section-header h2, #contact h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 900;
  letter-spacing: -1px; line-height: 1.15;
}
.section-header h2 span, #contact h2 span {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

/* SERVICES */
#services { background: var(--dark2); }
.services-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.service-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r); padding: 28px;
  transition: transform .3s, box-shadow .3s, border-color .3s;
  opacity: 0; transform: translateY(30px);
}
.service-card.visible { animation: fadeUp .6s cubic-bezier(.16,1,.3,1) forwards; }
@keyframes fadeUp { to { opacity: 1; transform: none; } }
.service-card:hover { transform: translateY(-5px); box-shadow: 0 18px 48px rgba(108,99,255,.13); border-color: rgba(108,99,255,.25); }
.service-icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; margin-bottom: 16px;
}
.service-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.service-card p { font-size: .875rem; color: var(--muted); line-height: 1.65; }

/* CONTACT */
#contact { background: var(--dark); }
.contact-wrapper { display: grid; grid-template-columns: 1fr 1.6fr; gap: 64px; align-items: start; }
#contact h2 { margin-bottom: 14px; margin-top: 12px; }
#contact > .container > .contact-wrapper > div:first-child > p { color: var(--muted); font-size: .95rem; line-height: 1.7; margin-bottom: 28px; }
.contact-item { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.contact-item-icon {
  width: 40px; height: 40px; border-radius: 11px; flex-shrink: 0;
  background: var(--card); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center; font-size: .95rem;
}
.contact-item-text strong { display: block; font-size: .68rem; color: var(--muted); letter-spacing: 1px; text-transform: uppercase; }
.contact-item-text a, .contact-item-text span { color: var(--text); text-decoration: none; font-weight: 500; font-size: .95rem; }
.contact-form { background: var(--card); border: 1px solid var(--border); border-radius: var(--r); padding: 32px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-size: .68rem; font-weight: 600; letter-spacing: .5px; text-transform: uppercase; color: var(--muted); margin-bottom: 6px; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; background: rgba(255,255,255,.05); border: 1px solid var(--border);
  border-radius: 10px; padding: 11px 14px; color: var(--text); font-family: var(--font);
  font-size: .9rem; outline: none; resize: none; transition: border-color .2s, box-shadow .2s;
  -webkit-appearance: none;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  border-color: var(--accent); box-shadow: 0 0 0 3px rgba(108,99,255,.13);
}
.form-group input::placeholder, .form-group textarea::placeholder { color: rgba(255,255,255,.18); }
.form-group select option { background: var(--dark2); color: var(--text); }
.form-submit { width: 100%; margin-top: 4px; }
.form-alert { padding: 11px 14px; border-radius: 9px; font-size: .84rem; font-weight: 600; margin-bottom: 14px; }

/* FOOTER */
footer { background: var(--dark2); border-top: 1px solid var(--border); padding: 22px 48px; }
footer .container { display: flex; justify-content: space-between; align-items: center; }
footer span { color: var(--muted); font-size: .82rem; }

/* FADE IN */
.fade-in { opacity: 0; transform: translateY(24px); transition: opacity .6s, transform .6s; }
.fade-in.visible { opacity: 1; transform: none; }

/* RESPONSIVE */
@media (max-width: 900px) {
  nav { padding: 16px 20px; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .contact-wrapper { grid-template-columns: 1fr; gap: 36px; }
  footer { padding: 20px; }
}
@media (max-width: 560px) {
  nav { padding: 14px 16px; }
  .services-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  section { padding: 48px 16px; }
}