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

:root {
  --bg: #080b12;
  --bg-2: #0d1120;
  --bg-card: #111827;
  --border: rgba(255,255,255,0.08);
  --text: #f0f4ff;
  --text-muted: #8892a4;
  --accent: #6c63ff;
  --accent-2: #00d4ff;
  --accent-warm: #ff6b6b;
  --radius: 16px;
  --radius-sm: 10px;
  --font: 'Inter', system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

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

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* =====================
   Nav
===================== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(8,11,18,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.5px;
}
.logo span { color: var(--accent); }

.nav-links {
  list-style: none;
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }

.btn-nav {
  background: var(--accent) !important;
  color: #fff !important;
  padding: 8px 20px;
  border-radius: 8px;
  font-weight: 600 !important;
  transition: opacity 0.2s !important;
}
.btn-nav:hover { opacity: 0.85; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: 0.2s;
}

.nav-mobile {
  list-style: none;
  display: none;
  flex-direction: column;
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  background: var(--bg);
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  color: var(--text-muted);
  text-decoration: none;
  padding: 12px 0;
  font-size: 1rem;
  font-weight: 500;
  border-bottom: 1px solid var(--border);
  transition: color 0.2s;
}
.nav-mobile a:hover { color: var(--text); }

/* =====================
   Hero
===================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(108,99,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(108,99,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.25;
}
.glow-1 {
  width: 600px; height: 600px;
  background: var(--accent);
  top: -200px; left: -100px;
}
.glow-2 {
  width: 400px; height: 400px;
  background: var(--accent-2);
  bottom: -100px; right: 0;
}

.hero-content { position: relative; z-index: 1; max-width: 720px; }

.badge {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(108,99,255,0.15);
  border: 1px solid rgba(108,99,255,0.35);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  color: #a89dff;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 28px;
}

.hero h1 {
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 24px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 560px;
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.btn-primary {
  display: inline-flex;
  align-items: center;
  padding: 14px 28px;
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.2s;
}
.btn-primary:hover { opacity: 0.85; transform: translateY(-1px); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  padding: 14px 28px;
  background: transparent;
  color: var(--text);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid var(--border);
  transition: border-color 0.2s, background 0.2s;
}
.btn-ghost:hover { border-color: rgba(255,255,255,0.2); background: rgba(255,255,255,0.04); }

.scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--text-muted), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

/* =====================
   Services
===================== */
.services {
  padding: 120px 0;
  background: var(--bg-2);
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 80px;
}

.section-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
  line-height: 1.15;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
  opacity: 0;
  transform: translateY(24px);
}
.service-card.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s ease, transform 0.5s ease, border-color 0.3s, box-shadow 0.3s;
}
.service-card:nth-child(2) { transition-delay: 0.1s; }
.service-card:nth-child(3) { transition-delay: 0.2s; }
.service-card:nth-child(4) { transition-delay: 0.3s; }

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.service-card:hover::before { transform: scaleX(1); }
.service-card:hover {
  border-color: rgba(108,99,255,0.25);
  box-shadow: 0 8px 40px rgba(108,99,255,0.12);
  transform: translateY(-4px);
}

.card-icon {
  width: 52px;
  height: 52px;
  color: var(--accent);
  margin-bottom: 20px;
}
.card-icon svg { width: 100%; height: 100%; }

.card-number {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 1px;
  margin-bottom: 12px;
  opacity: 0.6;
}

.service-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.3px;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.65;
  margin-bottom: 20px;
}

.card-features {
  list-style: none;
  margin-bottom: 28px;
}
.card-features li {
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}
.card-features li::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.card-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  transition: gap 0.2s;
  display: inline-flex;
  align-items: center;
}
.card-link:hover { text-decoration: underline; }

/* =====================
   About
===================== */
.about {
  padding: 120px 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-visual {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
}

.about-card--main {
  background: linear-gradient(135deg, rgba(108,99,255,0.1), rgba(0,212,255,0.05));
  border-color: rgba(108,99,255,0.2);
}

.stat-row {
  display: flex;
  gap: 40px;
  margin-bottom: 28px;
}

.stat {
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s, transform 0.5s;
}
.stat.visible { opacity: 1; transform: translateY(0); }

.stat-num {
  font-size: 3rem;
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 4px;
}

.about-tagline {
  font-size: 1.2rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-muted);
}

.about-card--accent {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px 28px;
  background: rgba(255,107,107,0.08);
  border-color: rgba(255,107,107,0.2);
}
.about-icon {
  width: 36px;
  height: 36px;
  color: var(--accent-warm);
  flex-shrink: 0;
}
.about-card--accent span {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--accent-warm);
}

.about-text { max-width: 520px; }

.about-text h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.2;
  margin-bottom: 20px;
  margin-top: 12px;
}

.about-text p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.75;
  margin-bottom: 16px;
}

.pillars { margin-top: 36px; display: flex; flex-direction: column; gap: 20px; }

.pillar {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  opacity: 0;
  transform: translateX(-16px);
  transition: opacity 0.5s, transform 0.5s;
}
.pillar.visible { opacity: 1; transform: translateX(0); }
.pillar:nth-child(2) { transition-delay: 0.1s; }
.pillar:nth-child(3) { transition-delay: 0.2s; }

.pillar-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  margin-top: 5px;
}

.pillar strong {
  display: block;
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 2px;
}
.pillar span {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* =====================
   Contact
===================== */
.contact {
  padding: 120px 0;
  background: var(--bg-2);
}

.contact-box {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 72px;
  overflow: hidden;
  max-width: 840px;
  margin: 0 auto;
}

.glow-contact {
  width: 400px; height: 400px;
  background: var(--accent);
  top: -200px; right: -100px;
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.12;
  pointer-events: none;
}

.contact-box .section-label { margin-bottom: 12px; }

.contact-box h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.15;
  margin-bottom: 16px;
}

.contact-box > p {
  color: var(--text-muted);
  margin-bottom: 40px;
}

.contact-form { position: relative; z-index: 1; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

input, select, textarea {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--text);
  font-family: var(--font);
  font-size: 0.95rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  width: 100%;
}
input::placeholder, textarea::placeholder { color: #404a5e; }
input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(108,99,255,0.12);
}

select option { background: var(--bg-card); }

textarea { resize: vertical; min-height: 120px; }

.btn-submit {
  width: 100%;
  justify-content: center;
  font-size: 1rem;
  padding: 16px;
  margin-top: 8px;
  border: none;
}

.form-success {
  display: none;
  align-items: center;
  gap: 12px;
  background: rgba(108,99,255,0.1);
  border: 1px solid rgba(108,99,255,0.3);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  color: var(--text);
  font-weight: 500;
}
.form-success svg { width: 24px; height: 24px; color: var(--accent); flex-shrink: 0; }

.form-error {
  display: none;
  align-items: center;
  gap: 12px;
  background: rgba(255,107,107,0.08);
  border: 1px solid rgba(255,107,107,0.3);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  color: var(--text);
  font-size: 0.9rem;
  margin-top: 12px;
}
.form-error svg { width: 22px; height: 22px; color: var(--accent-warm); flex-shrink: 0; }

/* =====================
   Footer
===================== */
.footer {
  padding: 32px 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-copy {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.footer-links {
  display: flex;
  gap: 24px;
}
.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--text); }

/* =====================
   Responsive
===================== */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }

  .hero h1 { font-size: 2.8rem; }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .about-visual { order: 2; }
  .about-text { order: 1; }

  .contact-box { padding: 36px 24px; }
  .form-row { grid-template-columns: 1fr; }

  .footer-inner { flex-direction: column; text-align: center; }
  .services-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .btn-primary, .btn-ghost { text-align: center; justify-content: center; }
}