/* ============================================================
   Seraphim-X Software Ltd — Stylesheet
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

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

:root {
  --bg:          #08080f;
  --surface:     #111118;
  --surface-2:   #1a1a24;
  --accent:      #6c63ff;
  --accent-dim:  rgba(108, 99, 255, 0.15);
  --accent-glow: rgba(108, 99, 255, 0.35);
  --text:        #e8e8f0;
  --text-muted:  #888899;
  --border:      rgba(108, 99, 255, 0.2);
  --radius:      12px;
  --font-body:   'Inter', sans-serif;
  --font-mono:   'JetBrains Mono', monospace;
  --transition:  0.25s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: #fff;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  width: 90%;
  max-width: 1100px;
  margin: 0 auto;
}

section {
  padding: 100px 0;
}

/* ── Section Labels ───────────────────────────────────────── */
.section-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 560px;
}

/* ── Navbar ───────────────────────────────────────────────── */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 18px 0;
  background: rgba(8, 8, 15, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), background var(--transition);
}

#navbar.scrolled {
  border-bottom-color: var(--border);
}

#navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text);
  letter-spacing: 0.04em;
}

.nav-logo span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 36px;
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.03em;
  transition: color var(--transition);
}

.nav-links a:hover {
  color: var(--text);
}

/* Hamburger (mobile) */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* ── Hero ─────────────────────────────────────────────────── */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  position: relative;
  overflow: hidden;
}

/* Dot-grid background */
#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(108, 99, 255, 0.12) 1px, transparent 1px);
  background-size: 36px 36px;
  pointer-events: none;
}

/* Radial glow */
#hero::after {
  content: '';
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 500px;
  background: radial-gradient(ellipse, rgba(108, 99, 255, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 780px;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.hero-title .highlight {
  background: linear-gradient(135deg, var(--accent) 0%, #a78bfa 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: 520px;
  margin-bottom: 40px;
  line-height: 1.8;
}

.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 24px var(--accent-glow);
}

.btn-primary:hover {
  background: #7b73ff;
  color: #fff;
  box-shadow: 0 0 36px rgba(108, 99, 255, 0.55);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--border);
  margin-left: 16px;
}

.btn-outline:hover {
  background: var(--accent-dim);
  color: var(--text);
  border-color: var(--accent);
}

/* ── Services ─────────────────────────────────────────────── */
#services {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.services-grid {
  margin-top: 60px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.service-card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 32px var(--accent-glow);
  transform: translateY(-4px);
}

.service-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-dim);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.4rem;
}

.service-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.service-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  line-height: 1.7;
}

.service-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.service-features li {
  font-size: 0.9rem;
  color: var(--text-muted);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.service-features li::before {
  content: '▸';
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 1px;
}

/* ── About ────────────────────────────────────────────────── */
#about .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-text .section-subtitle {
  max-width: 100%;
  margin-top: 20px;
  font-size: 1rem;
}

.about-text p + p {
  margin-top: 16px;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.stat-card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 20px var(--accent-glow);
}

.stat-number {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 500;
  color: var(--accent);
  display: block;
  margin-bottom: 6px;
}

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

/* ── Contact ──────────────────────────────────────────────── */
#contact {
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.contact-wrapper {
  margin-top: 60px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-info p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 32px;
}

.contact-email {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--accent);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 18px;
  transition: background var(--transition), border-color var(--transition);
}

.contact-email:hover {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--text);
}

/* Contact Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}

.form-group input,
.form-group textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
  opacity: 0.6;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.12);
}

.form-group textarea {
  min-height: 130px;
}

.contact-form .btn {
  align-self: flex-start;
  margin-top: 8px;
}

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

footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-logo {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--text-muted);
}

.footer-logo span {
  color: var(--accent);
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 768px) {
  section {
    padding: 72px 0;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    gap: 0;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    display: block;
    padding: 12px 24px;
    font-size: 1rem;
  }

  .nav-toggle {
    display: flex;
  }

  #about .container {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-title {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  .btn-outline {
    margin-left: 0;
    margin-top: 12px;
  }

  .hero-ctas {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }

  .about-stats {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .about-stats {
    grid-template-columns: 1fr;
  }

  footer .container {
    flex-direction: column;
    text-align: center;
  }
}