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

:root {
  --bg:          #080c14;
  --surface:     #0d1117;
  --card:        #111827;
  --card-hover:  #162033;
  --border:      #1e293b;
  --border-mid:  #2d3a4f;
  --accent:      #2563eb;
  --accent-hi:   #3b82f6;
  --accent-glow: rgba(37, 99, 235, 0.25);
  --accent-pale: rgba(59, 130, 246, 0.1);
  --text:        #f1f5f9;
  --text-muted:  #94a3b8;
  --text-dim:    #64748b;
  --radius:      12px;
  --radius-sm:   8px;
  --nav-h:       64px;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

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

.accent { color: var(--accent-hi); }

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-hi);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 48px;
  color: var(--text);
}

/* ─── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 0 0 var(--accent-glow);
}
.btn-primary:hover {
  background: var(--accent-hi);
  transform: translateY(-1px);
  box-shadow: 0 8px 30px var(--accent-glow);
}
.btn-primary:active { transform: translateY(0); }

.btn-full { width: 100%; }

/* ─── Navbar ──────────────────────────────────────────────────── */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(8, 12, 20, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}
#navbar.scrolled { border-bottom-color: var(--border); }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.nav-logo {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
}
.nav-logo span { color: var(--accent-hi); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}
.nav-links a {
  padding: 8px 14px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: color 0.15s, background 0.15s;
}
.nav-links a:hover { color: var(--text); background: var(--accent-pale); }
.nav-links a.nav-cta {
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  margin-left: 8px;
}
.nav-links a.nav-cta:hover { background: var(--accent-hi); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}

/* ─── Hero ────────────────────────────────────────────────────── */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding-top: var(--nav-h);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 30%, transparent 100%);
  opacity: 0.35;
  pointer-events: none;
}

/* radial glow behind headline */
#hero::before {
  content: '';
  position: absolute;
  top: 30%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(37,99,235,0.18) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 700px;
  padding: 40px 24px;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--accent-pale);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--accent-hi);
  text-transform: uppercase;
  margin-bottom: 28px;
}

#hero h1 {
  font-size: clamp(3rem, 9vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

#hero h1 .accent {
  position: relative;
  display: inline-block;
}
#hero h1 .accent::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 2px;
  width: 100%;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  box-shadow: 0 0 16px var(--accent-glow);
}

.hero-tagline {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--text-muted);
  margin-bottom: 40px;
  line-height: 1.7;
}

/* ─── Services ────────────────────────────────────────────────── */
#services {
  padding: 100px 0;
  background: var(--surface);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.card:hover {
  border-color: var(--border-mid);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}

.card-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-pale);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--accent-hi);
}
.card-icon svg { width: 22px; height: 22px; }

.card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}
.card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ─── Pricing ─────────────────────────────────────────────────── */
#pricing {
  padding: 100px 0;
}

.pricing-card {
  background: var(--card);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius);
  padding: 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  box-shadow: 0 0 0 1px var(--accent-glow), 0 24px 60px rgba(0,0,0,0.3);
}

.pricing-from {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 6px;
}
.pricing-price {
  display: block;
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--accent-hi);
  line-height: 1;
  margin-bottom: 20px;
}

.pricing-free {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}
.pricing-free svg { flex-shrink: 0; margin-top: 2px; color: var(--accent-hi); }

.pricing-list { display: flex; flex-direction: column; gap: 0; }

.pricing-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
}
.pricing-item:last-child { border-bottom: none; }
.pricing-item span:last-child {
  font-weight: 600;
  color: var(--text);
}
.pricing-item--note {
  justify-content: center;
  font-size: 0.8rem;
  color: var(--text-dim);
  font-style: italic;
}
.pricing-item--note span { font-weight: 400; color: var(--text-dim); }

/* ─── About ───────────────────────────────────────────────────── */
#about {
  padding: 100px 0;
  background: var(--surface);
}

.about-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 64px;
  align-items: start;
}

.about-text p {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 20px;
  max-width: 600px;
}
.about-text p:last-of-type { margin-bottom: 28px; }

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.about-tags span {
  padding: 5px 14px;
  background: var(--accent-pale);
  border: 1px solid rgba(59,130,246,0.2);
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--accent-hi);
}

.about-stat-stack {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex-shrink: 0;
}
.about-stat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px 28px;
  text-align: center;
  min-width: 140px;
}
.stat-num {
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--accent-hi);
  line-height: 1.1;
}
.stat-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: 4px;
}

/* ─── Contact ─────────────────────────────────────────────────── */
#contact {
  padding: 100px 0;
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  align-items: start;
}

.contact-intro {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 340px;
}

.contact-methods { display: flex; flex-direction: column; gap: 12px; }

.contact-method {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color 0.15s, transform 0.15s;
}
.contact-method:hover {
  border-color: var(--border-mid);
  transform: translateX(3px);
}

.contact-method-icon {
  width: 42px;
  height: 42px;
  background: var(--accent-pale);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-hi);
  flex-shrink: 0;
}
.contact-method-icon svg { width: 20px; height: 20px; }

.contact-method-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  font-weight: 500;
  margin-bottom: 2px;
}
.contact-method-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
}

/* Form */
.contact-form {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}
.form-row .form-group { margin-bottom: 0; }

label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

input, textarea {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 0.9rem;
  font-family: inherit;
  color: var(--text);
  transition: border-color 0.15s, box-shadow 0.15s;
  outline: none;
  resize: vertical;
}
input::placeholder, textarea::placeholder { color: var(--text-dim); }
input:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-success {
  display: none;
  margin-top: 16px;
  padding: 12px 16px;
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: #4ade80;
  text-align: center;
}
.form-success.visible { display: block; }

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

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

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* ─── Scroll fade-in ──────────────────────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Mobile ──────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 16px 24px;
    gap: 4px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { width: 100%; padding: 12px 14px; }
  .nav-links a.nav-cta { margin-left: 0; margin-top: 8px; }

  .pricing-card {
    grid-template-columns: 1fr;
    padding: 32px 24px;
    gap: 32px;
  }

  .about-inner { grid-template-columns: 1fr; gap: 32px; }
  .about-stat-stack { flex-direction: row; flex-wrap: wrap; }
  .about-stat { flex: 1; min-width: 100px; }

  .contact-inner { grid-template-columns: 1fr; gap: 40px; }
  .contact-intro { max-width: 100%; }

  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .services-grid { grid-template-columns: 1fr; }
  .contact-form { padding: 20px; }
  .pricing-card { padding: 24px 20px; }
}