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

/* ── Tokens ── */
:root {
  --navy:   #0F1B2D;
  --navy-2: #162436;
  --navy-3: #1e3050;
  --cyan:   #06B6D4;
  --cyan-d: #0891b2;
  --white:  #F8FAFC;
  --muted:  #94a3b8;
  --border: rgba(6,182,212,0.15);

  --font-sans: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --max-w: 1100px;
  --section-pad: 96px 24px;
}

/* ── Base ── */
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--navy);
  color: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* ── Layout helpers ── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Nav ── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15,27,45,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.nav-logo {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.3px;
}
.nav-logo span { color: var(--cyan); }

.nav-links {
  display: flex;
  gap: 32px;
  font-size: 14px;
  color: var(--muted);
}
.nav-links a:hover { color: var(--white); }

.nav-cta {
  font-size: 14px;
  font-weight: 600;
  background: var(--cyan);
  color: var(--navy);
  padding: 8px 20px;
  border-radius: var(--radius-full);
  transition: background 0.15s;
}
.nav-cta:hover { background: var(--cyan-d); color: var(--white); }

/* ── Hero ── */
.hero {
  padding: 120px 24px 96px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--cyan);
  background: rgba(6,182,212,0.08);
  border: 1px solid rgba(6,182,212,0.25);
  border-radius: var(--radius-full);
  padding: 5px 14px;
  margin-bottom: 32px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero h1 {
  font-size: clamp(36px, 6vw, 68px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1.5px;
  max-width: 820px;
  margin: 0 auto 24px;
}

.hero h1 em {
  font-style: normal;
  color: var(--cyan);
}

.hero-sub {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--muted);
  max-width: 560px;
  margin: 0 auto 48px;
  line-height: 1.65;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  transition: all 0.15s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--cyan);
  color: var(--navy);
}
.btn-primary:hover { background: var(--cyan-d); color: var(--white); transform: translateY(-1px); }

.btn-ghost {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(248,250,252,0.2);
}
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); transform: translateY(-1px); }

/* ── Divider ── */
.divider {
  height: 1px;
  background: var(--border);
  max-width: var(--max-w);
  margin: 0 auto;
}

/* ── Pain points banner ── */
.pain-strip {
  padding: 48px 24px;
  text-align: center;
}

.pain-strip p {
  font-size: 13px;
  font-family: var(--font-mono);
  color: var(--muted);
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.pain-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  max-width: 860px;
  margin: 0 auto;
}

.pain-tag {
  font-size: 13px;
  color: var(--muted);
  background: var(--navy-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 6px 14px;
}

/* ── Features ── */
.features {
  padding: var(--section-pad);
}

.section-label {
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
  line-height: 1.2;
}

.section-sub {
  font-size: 17px;
  color: var(--muted);
  max-width: 520px;
  margin-bottom: 56px;
  line-height: 1.65;
}

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

.feature-card {
  background: var(--navy-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color 0.2s, transform 0.2s;
}
.feature-card:hover { border-color: rgba(6,182,212,0.4); transform: translateY(-2px); }

.feature-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: rgba(6,182,212,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--cyan);
}

.feature-icon svg { width: 20px; height: 20px; }

.feature-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.3;
}

.feature-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
}

/* ── How it works ── */
.how {
  padding: var(--section-pad);
  background: var(--navy-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 32px;
  margin-top: 56px;
}

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

.step-num {
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--cyan);
  font-weight: 600;
}

.step h3 {
  font-size: 17px;
  font-weight: 600;
}

.step p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
}

/* ── Contact ── */
.contact {
  padding: var(--section-pad);
  text-align: center;
}

.contact-card {
  background: var(--navy-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 64px 40px;
  max-width: 620px;
  margin: 0 auto;
}

.contact-card h2 {
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.4px;
}

.contact-card p {
  font-size: 16px;
  color: var(--muted);
  margin-bottom: 36px;
}

.contact-email {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--cyan);
  border: 1px solid rgba(6,182,212,0.3);
  border-radius: var(--radius-full);
  padding: 12px 24px;
  transition: all 0.15s;
}
.contact-email:hover {
  background: rgba(6,182,212,0.08);
  border-color: var(--cyan);
}

/* ── Footer ── */
footer {
  border-top: 1px solid var(--border);
  padding: 40px 24px;
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-logo {
  font-size: 16px;
  font-weight: 700;
}
.footer-logo span { color: var(--cyan); }

.footer-copy {
  font-size: 13px;
  color: var(--muted);
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  transition: all 0.15s;
}
.social-link:hover { border-color: var(--cyan); color: var(--cyan); }
.social-link svg { width: 16px; height: 16px; }

/* ── Responsive ── */
@media (max-width: 640px) {
  .nav-links { display: none; }
  .hero { padding: 80px 24px 64px; }
  .contact-card { padding: 40px 24px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}