/* ===========================
   N3OS.COM — MAIN STYLESHEET
   =========================== */

:root {
  --white: #ffffff;
  --black: #0a0a0a;
  --navy: #0d1b2a;
  --indigo: #3b4bff;
  --indigo-glow: rgba(59, 75, 255, 0.15);
  --muted: #6b7280;
  --border: #e5e7eb;
  --card-bg: #f9fafb;
  --font-mono: 'DM Mono', monospace;
  --font-sans: 'Inter', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--black);
  background: var(--white);
  line-height: 1.6;
  -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 24px;
}
.container--narrow { max-width: 680px; }
.section { padding: 80px 0; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  border: 1.5px solid transparent;
  white-space: nowrap;
}
.btn-navy {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}
.btn-navy:hover { background: #162233; border-color: #162233; }
.btn-ghost {
  background: transparent;
  color: var(--black);
  border-color: var(--border);
}
.btn-ghost:hover { border-color: var(--indigo); color: var(--indigo); }
.btn-full { width: 100%; }

/* ===== NAVBAR ===== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}
.navbar-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 60px;
}
.logo {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 500;
  color: var(--navy);
  flex-shrink: 0;
}
.nav-links {
  display: flex;
  gap: 24px;
  flex: 1;
}
.nav-links a {
  font-size: 14px;
  color: var(--muted);
  transition: color 0.15s;
}
.nav-links a:hover, .nav-links a.active { color: var(--black); }
.hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  margin-left: auto;
}
.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 16px;
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  background: var(--white);
}
.mobile-menu.open { display: flex; }
.mobile-menu a { font-size: 15px; color: var(--black); }

/* ===== HERO ===== */
.hero { padding: 100px 0 60px; }
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--indigo);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.hero-headline {
  font-family: var(--font-mono);
  font-size: clamp(36px, 6vw, 64px);
  line-height: 1.1;
  font-weight: 500;
  color: var(--black);
  margin-bottom: 20px;
}
.accent { color: var(--indigo); }
.hero-sub {
  font-size: 16px;
  color: var(--muted);
  max-width: 520px;
  margin-bottom: 32px;
}
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 56px; }

/* ===== BROWSER MOCKUP ===== */
.browser-mockup {
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  background: var(--white);
  box-shadow: 0 4px 32px rgba(0,0,0,0.08);
}
.browser-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
}
.dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--border);
  flex-shrink: 0;
}
.browser-url {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  margin-left: 8px;
}
.browser-body {
  padding: 32px 28px;
  background: var(--white);
  min-height: 220px;
}
.mock-hero-text {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 500;
  color: var(--black);
  margin-bottom: 24px;
}
.mock-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.mock-card {
  height: 80px;
  border-radius: 8px;
  background: var(--card-bg);
  border: 1px solid var(--border);
}

/* Small mockup variant */
.browser-mockup--sm { border-radius: 8px; }
.browser-body--sm { padding: 16px; min-height: 160px; }
.mock-tags { display: flex; gap: 6px; margin-bottom: 12px; flex-wrap: wrap; }
.mock-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
}
.mock-tag.active {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}
.mock-cards--sm { grid-template-columns: repeat(2, 1fr); }
.mock-cards--sm .mock-card { height: 56px; }
.mock-modal {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 8px;
}
.mock-modal-icon {
  width: 40px; height: 40px;
  border-radius: 8px;
  background: var(--card-bg);
  border: 1px solid var(--border);
}
.mock-modal-lines { display: flex; flex-direction: column; gap: 6px; }
.mock-line {
  height: 8px;
  border-radius: 4px;
  background: var(--border);
  width: 100%;
}
.mock-line--title { width: 60%; height: 12px; background: #d1d5db; }
.mock-line--short { width: 40%; }
.mock-modal-btn {
  height: 32px;
  border-radius: 6px;
  background: var(--navy);
  width: 120px;
  margin-top: 4px;
}

/* ===== SECTION LABELS ===== */
.section-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--indigo);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-title {
  font-family: var(--font-mono);
  font-size: clamp(24px, 4vw, 40px);
  font-weight: 500;
  color: var(--black);
  margin-bottom: 48px;
}

/* ===== FEATURES ===== */
.features { background: var(--card-bg); }
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px 24px;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.feature-card:hover {
  border-color: var(--indigo);
  box-shadow: 0 0 20px var(--indigo-glow);
}
.feature-icon { font-size: 24px; margin-bottom: 12px; }
.feature-phase {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--indigo);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}
.feature-card h3 {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 10px;
}
.feature-card p { font-size: 14px; color: var(--muted); line-height: 1.6; }

/* ===== PREVIEW ===== */
.preview-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.preview-item { display: flex; flex-direction: column; gap: 12px; }
.preview-caption {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  text-align: center;
}

/* ===== PRICING ===== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 680px;
  margin: 0 auto 24px;
}
.pricing-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px 28px;
  position: relative;
  background: var(--white);
}
.pricing-card--featured {
  border-color: var(--navy);
  background: var(--navy);
  color: var(--white);
}
.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--indigo);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 4px 12px;
  border-radius: 999px;
  white-space: nowrap;
}
.pricing-tier {
  font-family: var(--font-mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 8px;
}
.pricing-card--featured .pricing-tier { color: rgba(255,255,255,0.6); }
.pricing-price {
  font-family: var(--font-mono);
  font-size: 40px;
  font-weight: 500;
  margin-bottom: 24px;
}
.pricing-price span { font-size: 16px; color: var(--muted); }
.pricing-card--featured .pricing-price span { color: rgba(255,255,255,0.5); }
.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
  font-size: 14px;
}
.pricing-card--featured .pricing-features { color: rgba(255,255,255,0.85); }
.pricing-card--featured .btn-navy {
  background: var(--indigo);
  border-color: var(--indigo);
}
.pricing-card--featured .btn-ghost {
  border-color: rgba(255,255,255,0.3);
  color: var(--white);
}
.pricing-note {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  text-align: center;
}

/* WIP Banner */
.wip-banner {
  border: 1px dashed var(--border);
  border-radius: 12px;
  padding: 24px 28px;
  text-align: center;
  margin-bottom: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.wip-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 999px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.wip-banner p { font-size: 14px; color: var(--muted); max-width: 400px; }

/* ===== PAGE HERO (inner pages) ===== */
.page-hero { padding: 80px 0 40px; }
.page-title {
  font-family: var(--font-mono);
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 500;
  margin-bottom: 12px;
}
.page-sub { font-size: 16px; color: var(--muted); }

/* ===== ABOUT ===== */
.about-content .container--narrow {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.about-content p { font-size: 16px; color: #374151; line-height: 1.75; }
.about-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 12px; }

/* ===== CONTACT ===== */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 20px;
}
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--black);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.form-group input, .form-group textarea {
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--black);
  background: var(--white);
  transition: border-color 0.15s;
  outline: none;
  resize: vertical;
}
.form-group input:focus, .form-group textarea:focus {
  border-color: var(--indigo);
}
.contact-alt {
  font-size: 13px;
  color: var(--muted);
  text-align: center;
}
.contact-alt a { color: var(--indigo); }

/* ===== FOOTER ===== */
.footer {
  border-top: 1px solid var(--border);
  padding: 24px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-copy {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}
.footer-links {
  display: flex;
  gap: 20px;
}
.footer-links a {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  transition: color 0.15s;
}
.footer-links a:hover { color: var(--indigo); }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .hero { padding: 64px 0 40px; }
  .cards-grid { grid-template-columns: 1fr; }
  .preview-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 100%; }
  .nav-links { display: none; }
  .navbar-inner > .btn { display: none; }
  .hamburger { display: block; }
  .mock-cards { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .hero-ctas { flex-direction: column; }
  .about-cta { flex-direction: column; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

/* ===== INDIGO BUTTON ===== */
.btn-indigo {
  background: var(--indigo);
  color: var(--white);
  border-color: var(--indigo);
}
.btn-indigo:hover {
  background: #2f3de0;
  border-color: #2f3de0;
}
.btn-lg {
  padding: 14px 28px;
  font-size: 15px;
}

/* ===== HERO CENTERED ===== */
.hero-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.hero-container .hero-sub { text-align: center; }
.hero-container .hero-ctas { justify-content: center; }
.hero-container .browser-mockup { width: 100%; max-width: 800px; }

/* ===== FREE BADGE TICKER ===== */
.free-badge {
  display: flex;
  gap: 16px;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--indigo);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 40px;
  flex-wrap: wrap;
  justify-content: center;
}

/* ===== FREE CTA SECTION ===== */
.free-cta { background: var(--navy); }
.free-cta-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 16px;
}
.free-cta-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--indigo);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.free-cta-title {
  font-family: var(--font-mono);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 500;
  color: var(--white);
  line-height: 1.2;
}
.free-cta-sub {
  font-size: 15px;
  color: rgba(255,255,255,0.6);
  max-width: 440px;
}

/* ===== FREE EVERYTHING CARD (pricing page) ===== */
.free-everything-card {
  max-width: 480px;
  margin: 0 auto;
  border: 2px solid var(--indigo);
  border-radius: 16px;
  padding: 48px 40px;
  text-align: center;
  position: relative;
  box-shadow: 0 0 40px var(--indigo-glow);
}
.free-everything-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--indigo);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 5px 16px;
  border-radius: 999px;
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.free-everything-price {
  font-family: var(--font-mono);
  font-size: 80px;
  font-weight: 500;
  color: var(--indigo);
  line-height: 1;
  margin-bottom: 4px;
}
.free-everything-sub {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 32px;
}
.free-everything-features {
  list-style: none;
  text-align: left;
  margin-bottom: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 15px;
}