/* PII Buddy Landing Page — Dark Theme */

:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #1c2128;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --accent: #f0a830;
  --accent-hover: #f5bd5c;
  --border: #30363d;
  --radius: 12px;
  --max-width: 1120px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
}

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

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

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ─── NAV ─── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13, 17, 23, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text-primary);
}

.nav-brand img {
  width: 32px;
  height: 32px;
  border-radius: 6px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--text-primary); }

.nav-cta {
  background: var(--accent);
  color: var(--bg-primary) !important;
  padding: 8px 18px;
  border-radius: 8px;
  font-weight: 600;
  transition: background 0.2s;
}

.nav-cta:hover { background: var(--accent-hover); color: var(--bg-primary) !important; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  margin: 5px 0;
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

/* ─── HERO ─── */
.hero {
  padding: 80px 0 60px;
}

.hero .container {
  display: flex;
  align-items: center;
  gap: 60px;
}

.hero-content {
  flex: 1;
}

.hero h1 {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.hero h1 .accent { color: var(--accent); }

.hero p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 480px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}

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

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

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover { border-color: var(--text-secondary); }

.hero-image {
  flex: 0 0 360px;
}

.hero-image picture img {
  width: 360px;
  height: 360px;
  object-fit: contain;
  filter: drop-shadow(0 20px 40px rgba(240, 168, 48, 0.15));
}

/* ─── SECTION COMMON ─── */
section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-header h2 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.section-header p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
}

/* ─── FEATURES GRID ─── */
.features { background: var(--bg-secondary); }

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color 0.2s, transform 0.2s;
}

.feature-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.feature-icon {
  font-size: 1.8rem;
  margin-bottom: 14px;
}

.feature-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.features-callout {
  text-align: center;
  margin-top: 40px;
  padding: 20px;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  color: var(--accent);
  font-weight: 600;
  font-size: 1.1rem;
}

/* ─── HOW IT WORKS ─── */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 48px;
}

.step {
  text-align: center;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--bg-primary);
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.step picture img {
  width: 200px;
  height: 200px;
  object-fit: contain;
  margin: 0 auto 16px;
  filter: drop-shadow(0 8px 24px rgba(240, 168, 48, 0.1));
}

.step h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.step p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.code-example {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.code-example-header {
  display: flex;
  border-bottom: 1px solid var(--border);
}

.code-example-header span {
  flex: 1;
  padding: 12px 20px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

.code-example-header span:first-child {
  border-right: 1px solid var(--border);
}

.code-example-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.code-example-body pre {
  padding: 20px;
  font-family: "SF Mono", "Fira Code", "Cascadia Code", monospace;
  font-size: 0.85rem;
  line-height: 1.7;
  overflow-x: auto;
}

.code-example-body pre:first-child {
  border-right: 1px solid var(--border);
}

.code-example-body .redacted {
  color: var(--accent);
  font-weight: 600;
}

/* ─── PRICING ─── */
.pricing { background: var(--bg-secondary); }

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}

.price-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  position: relative;
  transition: border-color 0.2s;
}

.price-card.featured {
  border-color: var(--accent);
}

.price-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--bg-primary);
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.price-card h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.price-amount {
  font-size: 2.4rem;
  font-weight: 800;
  margin-bottom: 4px;
}

.price-amount span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-secondary);
}

.price-desc {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-bottom: 24px;
}

.price-features {
  list-style: none;
  text-align: left;
  margin-bottom: 28px;
}

.price-features li {
  padding: 8px 0;
  font-size: 0.9rem;
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.price-features li::before {
  content: "\2713";
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
}

.price-card .btn {
  width: 100%;
  justify-content: center;
}

.btn-disabled {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  cursor: default;
  opacity: 0.7;
}

.btn-disabled:hover { background: var(--bg-secondary); }

/* ─── DOWNLOAD ─── */
.download-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  max-width: 800px;
  margin: 0 auto;
}

.download-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
}

.download-card h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.download-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 20px;
}

.download-card code {
  display: block;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 18px;
  font-family: "SF Mono", "Fira Code", monospace;
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 16px;
  text-align: left;
  overflow-x: auto;
}

/* ─── FEEDBACK ─── */
.feedback-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  max-width: 800px;
  margin: 0 auto;
}

.feedback-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
}

.feedback-card h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.feedback-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 20px;
}

.feedback-card code {
  display: block;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  font-family: "SF Mono", "Fira Code", monospace;
  font-size: 0.85rem;
  color: var(--accent);
  text-align: left;
}

/* ─── SUBSCRIBE ─── */
.subscribe-section {
  background: var(--bg-secondary);
}

.subscribe-form {
  display: flex;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto 16px;
}

.subscribe-form input[type="email"] {
  flex: 1;
  padding: 14px 18px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 1rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}

.subscribe-form input[type="email"]:focus {
  border-color: var(--accent);
}

.subscribe-form input[type="email"]::placeholder {
  color: var(--text-secondary);
}

.subscribe-note {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.subscribe-note code {
  color: var(--accent);
  font-family: "SF Mono", "Fira Code", monospace;
  font-size: 0.8rem;
}

.subscribe-success {
  text-align: center;
  color: var(--accent);
  font-weight: 600;
  font-size: 1.1rem;
  padding: 14px 0;
}

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

.footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.footer-links a:hover { color: var(--text-primary); }

.footer-copy {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

/* ─── MOBILE ─── */
@media (max-width: 768px) {
  .nav-toggle { display: block; }

  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px 20px;
    gap: 16px;
  }

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

  .hero .container {
    flex-direction: column-reverse;
    text-align: center;
    gap: 32px;
  }

  .hero h1 { font-size: 2.2rem; }
  .hero p { margin: 0 auto 28px; }
  .hero-buttons { justify-content: center; }
  .hero-image { flex: none; }
  .hero-image picture img { width: 260px; height: 260px; }

  .features-grid,
  .steps-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .code-example-body {
    grid-template-columns: 1fr;
  }

  .code-example-body pre:first-child {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .code-example-header {
    flex-direction: column;
  }

  .code-example-header span:first-child {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .download-options { grid-template-columns: 1fr; }
  .feedback-grid { grid-template-columns: 1fr; }
  .subscribe-form { flex-direction: column; }

  .footer .container {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.8rem; }
  .btn { padding: 12px 22px; font-size: 0.9rem; }
  .section-header h2 { font-size: 1.8rem; }
}