/* ── Reset & base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #0f172a;
  background: #fff;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ── Layout ───────────────────────────────────────────────── */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.7rem 1.4rem;
  border-radius: 8px;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  border: none;
  white-space: nowrap;
}
.btn-primary {
  background: #0f172a;
  color: #fff;
}
.btn-primary:hover { background: #1e293b; transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  color: #0f172a;
  border: 1.5px solid #cbd5e1;
}
.btn-outline:hover { border-color: #0f172a; }
.btn-ghost { background: transparent; color: #475569; }
.btn-ghost:hover { color: #0f172a; }
.btn-full { width: 100%; justify-content: center; }

/* ── Nav ──────────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid #f1f5f9;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #0f172a;
}

/* ── Hero ─────────────────────────────────────────────────── */
.hero {
  min-height: 88vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #f8faff 0%, #f0f4ff 100%);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(99,102,241,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  padding: 5rem 1.5rem;
  max-width: 750px;
}
.hero-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #6366f1;
  background: rgba(99,102,241,0.1);
  padding: 0.3rem 0.9rem;
  border-radius: 20px;
  margin-bottom: 1.5rem;
}
.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: #0f172a;
  margin-bottom: 1.25rem;
}
.hero-sub {
  font-size: 1.15rem;
  color: #475569;
  max-width: 560px;
  margin-bottom: 2rem;
  line-height: 1.7;
}
.hero-cta { display: flex; gap: 0.75rem; flex-wrap: wrap; }

/* ── Sections ─────────────────────────────────────────────── */
.section { padding: 6rem 0; }
.section-alt { background: #f8fafc; }
.section-header {
  max-width: 580px;
  margin-bottom: 3.5rem;
}
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #6366f1;
  margin-bottom: 0.75rem;
}
.section-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #0f172a;
  margin-bottom: 0.75rem;
}
.section-header p { color: #64748b; font-size: 1.05rem; line-height: 1.7; }

/* ── Cards ────────────────────────────────────────────────── */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}
.card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 2rem;
  transition: box-shadow 0.2s, transform 0.2s;
}
.card:hover {
  box-shadow: 0 8px 30px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}
.card-icon { font-size: 1.8rem; margin-bottom: 1rem; }
.card h3 { font-size: 1.05rem; font-weight: 700; color: #0f172a; margin-bottom: 0.5rem; }
.card p { color: #64748b; font-size: 0.92rem; line-height: 1.6; }

/* ── Steps ────────────────────────────────────────────────── */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
}
.step { position: relative; padding-left: 0; }
.step-num {
  display: block;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: #6366f1;
  margin-bottom: 0.75rem;
}
.step h3 { font-size: 1rem; font-weight: 700; color: #0f172a; margin-bottom: 0.5rem; }
.step p { color: #64748b; font-size: 0.92rem; line-height: 1.6; }

/* ── Contact ──────────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 5rem;
  align-items: start;
}
.contact-left h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #0f172a;
  margin-bottom: 0.75rem;
}
.contact-left p { color: #64748b; line-height: 1.7; margin-bottom: 1.5rem; }
.contact-detail {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: #0f172a;
}
.contact-detail a:hover { text-decoration: underline; }

/* ── Form ─────────────────────────────────────────────────── */
.contact-form { display: flex; flex-direction: column; gap: 1.1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label {
  font-size: 0.83rem;
  font-weight: 600;
  color: #374151;
}
.form-group input,
.form-group textarea {
  padding: 0.75rem 1rem;
  border: 1.5px solid #e2e8f0;
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.93rem;
  color: #0f172a;
  background: #fff;
  transition: border-color 0.15s;
  width: 100%;
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #6366f1;
  box-shadow: 0 0 0 3px rgba(99,102,241,0.1);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: #94a3b8; }

/* ── Footer ───────────────────────────────────────────────── */
.footer {
  border-top: 1px solid #f1f5f9;
  padding: 2rem 0;
  background: #fff;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: #64748b;
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .form-row { grid-template-columns: 1fr; }
  .hero-inner { padding: 4rem 1.5rem; }
  .section { padding: 4rem 0; }
  .footer-inner { flex-direction: column; text-align: center; }
}