/* CertWatch landing page styles
 * Author: Doug Hesseltine
 * Modified: 2026-05-26
 * Version: 1.0
 */

:root {
  --bg: #070b10;
  --bg-elevated: #0d1319;
  --bg-card: #111a22;
  --border: #1e2d3a;
  --text: #e8eef4;
  --text-muted: #8fa3b8;
  --accent: #14b8a6;
  --accent-dim: #0d9488;
  --accent-glow: rgba(20, 184, 166, 0.25);
  --green: #22c55e;
  --font-sans: "DM Sans", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --max: 1120px;
  --radius: 10px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -20%, var(--accent-glow), transparent),
    radial-gradient(circle at 100% 50%, rgba(34, 197, 94, 0.06), transparent 40%);
}

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

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
}

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border);
  background: rgba(7, 11, 16, 0.92);
  backdrop-filter: blur(10px);
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text);
  text-decoration: none;
}

.logo:hover {
  text-decoration: none;
  color: var(--accent);
}

.logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--green));
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--bg);
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-desktop a {
  color: var(--text-muted);
  font-size: 0.95rem;
  text-decoration: none;
}

.nav-desktop a:hover {
  color: var(--text);
  text-decoration: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.65rem 1.25rem;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg);
}

.btn-primary:hover {
  background: var(--accent-dim);
  box-shadow: 0 0 24px var(--accent-glow);
}

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

.btn-outline:hover {
  background: rgba(20, 184, 166, 0.1);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.4rem 0.6rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1.2rem;
}

.nav-mobile {
  display: none;
  width: 100%;
  flex-direction: column;
  gap: 0.75rem;
  padding-bottom: 1rem;
  border-top: 1px solid var(--border);
  margin-top: 0.5rem;
  padding-top: 1rem;
}

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

.nav-mobile a {
  color: var(--text-muted);
  text-decoration: none;
}

/* Hero */
.hero {
  padding: 4.5rem 0 3.5rem;
}

.hero-grid {
  display: grid;
  gap: 2.5rem;
  align-items: start;
}

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3rem;
  }
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 2.85rem);
  line-height: 1.15;
  font-weight: 700;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

.hero-lead {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 36rem;
  margin: 0 0 1.5rem;
}

.hero-points {
  list-style: none;
  padding: 0;
  margin: 0 0 1.75rem;
}

.hero-points li {
  position: relative;
  padding-left: 1.35rem;
  margin-bottom: 0.5rem;
  color: var(--text-muted);
}

.hero-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.waitlist-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.75rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

.waitlist-card h2 {
  margin: 0 0 0.35rem;
  font-size: 1.2rem;
}

.waitlist-card p {
  margin: 0 0 1.25rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.waitlist-form label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--text-muted);
}

.waitlist-form input,
.waitlist-form select {
  width: 100%;
  padding: 0.7rem 0.85rem;
  margin-bottom: 1rem;
  font-family: inherit;
  font-size: 1rem;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.waitlist-form input:focus,
.waitlist-form select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.waitlist-form .btn {
  width: 100%;
  padding: 0.85rem;
}

.form-note {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.75rem;
}

.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-success {
  display: none;
  padding: 1rem;
  background: rgba(34, 197, 94, 0.12);
  border: 1px solid rgba(34, 197, 94, 0.35);
  border-radius: var(--radius);
  color: #86efac;
}

.form-success.visible {
  display: block;
}

/* Sections */
section {
  padding: 3.5rem 0;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

section h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
}

.section-intro {
  color: var(--text-muted);
  max-width: 40rem;
  margin: 0 0 2rem;
}

/* Steps */
.steps {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
  }
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  position: relative;
}

.step-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.step-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
}

.step-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Audience */
.audience-grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 700px) {
  .audience-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.audience-card {
  padding: 1.75rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
}

.audience-card h3 {
  margin: 0 0 0.5rem;
}

.audience-card p {
  margin: 0;
  color: var(--text-muted);
}

.audience-card ul {
  margin: 0.75rem 0 0;
  padding-left: 1.2rem;
  color: var(--text-muted);
}

/* Features */
.features-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 600px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem;
}

.feature-card h3 {
  margin: 0 0 0.4rem;
  font-size: 1rem;
  color: var(--text);
}

.feature-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.feature-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--green);
  margin-bottom: 0.5rem;
}

/* Hardware */
.hardware-band {
  background: var(--bg-elevated);
  border-block: 1px solid var(--border);
}

.hardware-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 2rem 0;
}

.hardware-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.chip {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-muted);
}

/* Pricing */
.pricing-card {
  max-width: 520px;
  margin-inline: auto;
  text-align: center;
  padding: 2.5rem 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
}

.pricing-card .price-label {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  margin: 0.5rem 0;
}

.pricing-card p {
  color: var(--text-muted);
}

.pricing-grid {
  display: grid;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

@media (min-width: 900px) {
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.pricing-tier {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
}

.pricing-tier-featured {
  border-color: var(--accent);
  box-shadow: 0 0 30px var(--accent-glow);
}

.tier-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.5rem;
}

.pricing-tier h3 {
  margin: 0 0 0.5rem;
}

.tier-price {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--accent);
  margin: 0 0 0.75rem;
}

.tier-price span {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--text-muted);
}

.tier-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.pricing-tier ul {
  flex: 1;
  margin: 0 0 1.25rem;
  padding-left: 1.2rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Coming soon */
.coming-soon {
  margin-top: 3rem;
  padding: 1.5rem;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  text-align: center;
}

.coming-soon h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
}

.coming-soon p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
  margin-top: 2rem;
}

.footer-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 700px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
  }
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  max-width: 22rem;
}

.footer-links h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin: 0 0 0.75rem;
}

.footer-links ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 0.4rem;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-bottom {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  justify-content: space-between;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

@media (max-width: 768px) {
  .nav-desktop {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .header-cta-desktop {
    display: none;
  }
}