/* ============================================================
   ARCTIC BISON — MAIN STYLESHEET
   Dark, technical, text-first. No stock photos.
   ============================================================ */

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

:root {
  --bg:           #0A0A0A;
  --bg-surface:   #111111;
  --bg-elevated:  #161616;
  --border:       #1E1E1E;
  --border-light: #2A2A2A;
  --text-primary: #F0F0F0;
  --text-secondary: #888888;
  --text-muted:   #555555;
  --accent:       #4A9EFF;
  --accent-dim:   rgba(74, 158, 255, 0.15);
  --accent-green: #3DD68C;
  --font:         -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
  --font-mono:    'SF Mono', 'Fira Code', 'Consolas', monospace;
  --max-width:    1100px;
  --radius:       6px;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

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

/* ── LAYOUT ────────────────────────────────────────────────── */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

/* ── NAV ───────────────────────────────────────────────────── */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2.5rem;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(12px);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.02em;
  color: var(--text-primary);
}

.nav-logo-mark {
  color: var(--accent);
  font-size: 0.7rem;
}

.nav-links {
  display: flex;
  gap: 2rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

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

.nav-cta {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent);
  border: 1px solid rgba(74, 158, 255, 0.3);
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius);
  transition: background 0.15s, border-color 0.15s;
}

.nav-cta:hover {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

/* ── HERO ──────────────────────────────────────────────────── */
.hero {
  min-height: 88vh;
  display: flex;
  align-items: center;
  padding: 6rem 2.5rem;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

/* Subtle grid background */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.3;
  pointer-events: none;
}

/* Radial fade over grid */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 60% 50%, transparent 0%, var(--bg) 100%);
  pointer-events: none;
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero-headline {
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 1.75rem;
}

.hero-body {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 520px;
  line-height: 1.75;
  margin-bottom: 2.5rem;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ── BUTTONS ───────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  background: var(--accent);
  color: #000;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius);
  transition: opacity 0.15s, transform 0.15s;
}

.btn-primary:hover { opacity: 0.88; color: #000; transform: translateY(-1px); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  background: transparent;
  color: var(--text-primary);
  font-weight: 500;
  font-size: 0.9rem;
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border-light);
  transition: border-color 0.15s, background 0.15s;
}

.btn-secondary:hover {
  border-color: var(--text-muted);
  background: var(--bg-surface);
  color: var(--text-primary);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 500;
  border-bottom: 1px solid rgba(74, 158, 255, 0.3);
  padding-bottom: 2px;
  transition: border-color 0.15s;
}

.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ── SECTION LABEL ─────────────────────────────────────────── */
.section-label {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-bottom: 3rem;
}

/* ── PRODUCTS ──────────────────────────────────────────────── */
.products {
  padding: 6rem 0;
  border-bottom: 1px solid var(--border);
}

.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.product-card {
  background: var(--bg-surface);
  padding: 3rem;
  transition: background 0.2s;
}

.product-card:hover { background: var(--bg-elevated); }

.product-card-tag {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  background: var(--accent-dim);
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 3px;
  margin-bottom: 1.5rem;
}

.product-card-name {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.product-card-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.product-card-facts {
  list-style: none;
  margin-bottom: 2rem;
}

.product-card-facts li {
  font-size: 0.82rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  padding: 0.35rem 0;
  border-top: 1px solid var(--border);
}

.product-card-facts li::before {
  content: '→ ';
  color: var(--accent);
}

.product-card-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--accent);
  transition: opacity 0.15s;
}

.product-card-link:hover { opacity: 0.75; color: var(--accent); }

.product-card-links {
  display: flex;
  gap: 1.5rem;
}

/* ── VALUES ────────────────────────────────────────────────── */
.values {
  padding: 6rem 0;
  border-bottom: 1px solid var(--border);
}

.values-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 3rem;
}

.value-item { }

.value-heading {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.value-body {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* ── THESIS ────────────────────────────────────────────────── */
.thesis {
  padding: 7rem 0;
  border-bottom: 1px solid var(--border);
}

.thesis-inner {
  max-width: 700px;
}

.thesis-quote {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  color: var(--text-secondary);
  line-height: 1.75;
  border-left: 2px solid var(--accent);
  padding-left: 1.75rem;
  margin-bottom: 1.25rem;
  font-style: italic;
}

.thesis-attribution {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  margin-bottom: 2rem;
}

/* ── FOOTER ────────────────────────────────────────────────── */
.footer {
  padding: 4rem 0 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 4rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border);
}

.footer-brand {
  max-width: 220px;
}

.footer-logo-mark {
  color: var(--accent);
  font-size: 0.7rem;
  margin-right: 0.4rem;
}

.footer-logo-text {
  font-weight: 600;
  font-size: 0.95rem;
}

.footer-tagline {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.6rem;
  line-height: 1.5;
}

.footer-links {
  display: flex;
  gap: 4rem;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-col-heading {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.footer-col a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color 0.15s;
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-bottom-links {
  display: flex;
  gap: 1.5rem;
}

.footer-bottom-links a { color: var(--text-muted); }
.footer-bottom-links a:hover { color: var(--text-secondary); }

/* ── PAGE HERO (inner pages) ───────────────────────────────── */
.page-hero {
  padding: 5rem 2.5rem;
  border-bottom: 1px solid var(--border);
  max-width: var(--max-width);
  margin: 0 auto;
}

.page-hero-eyebrow {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.page-hero-headline {
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 1.25rem;
}

.page-hero-sub {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 2rem;
}

/* ── TRUST PILLS ───────────────────────────────────────────── */
.trust-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.trust-pill {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  border: 1px solid var(--border-light);
  padding: 0.25rem 0.7rem;
  border-radius: 100px;
}

/* ── FEATURE GRID ──────────────────────────────────────────── */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 4rem 0;
}

.feature-card {
  background: var(--bg-surface);
  padding: 2rem 2rem 2.5rem;
}

.feature-card-tag {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.feature-card-tag::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-green);
}

.feature-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.6rem;
  letter-spacing: -0.01em;
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ── DATA TABLE ────────────────────────────────────────────── */
.data-table-section {
  padding: 5rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

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

.data-table-heading {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.data-table-sub {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-style: italic;
  margin-bottom: 2.5rem;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.data-table th {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
}

.data-table td {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}

.data-table td:first-child {
  color: var(--text-primary);
  font-weight: 500;
}

.data-table td.good {
  color: var(--accent-green);
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

.data-table td.bad {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

/* ── PRICING ───────────────────────────────────────────────── */
.pricing-section {
  padding: 5rem 0;
  border-top: 1px solid var(--border);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 2.5rem;
}

.pricing-card {
  background: var(--bg-surface);
  padding: 2rem;
}

.pricing-card.featured {
  background: var(--bg-elevated);
  position: relative;
}

.pricing-card.featured::before {
  content: 'Most popular';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%) translateY(-50%);
  font-size: 0.65rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: var(--accent);
  color: #000;
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
  white-space: nowrap;
}

.pricing-tier {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.pricing-price {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}

.pricing-price span {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--text-muted);
}

.pricing-annual {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-bottom: 1.5rem;
}

.pricing-divider {
  height: 1px;
  background: var(--border);
  margin: 1.25rem 0;
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.pricing-features li {
  font-size: 0.82rem;
  color: var(--text-secondary);
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
}

.pricing-features li::before {
  content: '✓';
  color: var(--accent-green);
  font-size: 0.75rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.pricing-cta {
  display: block;
  text-align: center;
  padding: 0.6rem;
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}

.pricing-cta:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

.pricing-card.featured .pricing-cta {
  background: var(--accent);
  border-color: var(--accent);
  color: #000;
  font-weight: 600;
}

.pricing-card.featured .pricing-cta:hover {
  opacity: 0.88;
  color: #000;
}

.pricing-note {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 1.5rem;
  font-family: var(--font-mono);
}

/* ── PROVIDERS ─────────────────────────────────────────────── */
.providers-section {
  padding: 5rem 0;
  border-top: 1px solid var(--border);
}

.providers-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 2.5rem;
}

.provider-row {
  background: var(--bg-surface);
  padding: 1.1rem 1.5rem;
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 1rem;
  align-items: center;
}

.provider-row:hover { background: var(--bg-elevated); }

.provider-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.provider-name.privacy-first::after {
  content: 'privacy-first';
  font-size: 0.62rem;
  font-family: var(--font-mono);
  color: var(--accent-green);
  border: 1px solid rgba(61, 214, 140, 0.3);
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
}

.provider-locations {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* ── CTA SECTION ───────────────────────────────────────────── */
.cta-section {
  padding: 6rem 0;
  border-top: 1px solid var(--border);
}

.cta-inner {
  max-width: 560px;
}

.cta-heading {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.cta-body {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.cta-buttons { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ── CONTENT SECTIONS ──────────────────────────────────────── */
.content-section {
  padding: 5rem 0;
  border-top: 1px solid var(--border);
}

.content-section h2 {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.content-section p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 640px;
  margin-bottom: 1rem;
}

.points-list {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  margin-top: 3rem;
}

.point-item h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.point-item h3::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.point-item p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0;
  padding-left: 1.1rem;
}

/* ── CONTACT FORM ──────────────────────────────────────────── */
.contact-form {
  max-width: 560px;
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-label {
  font-size: 0.78rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.form-input, .form-select, .form-textarea {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 0.7rem 0.9rem;
  font-size: 0.9rem;
  color: var(--text-primary);
  font-family: var(--font);
  transition: border-color 0.15s;
  width: 100%;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-select { appearance: none; cursor: pointer; }

.form-textarea {
  resize: vertical;
  min-height: 140px;
  line-height: 1.6;
}

.form-submit {
  display: inline-flex;
  align-items: center;
  background: var(--accent);
  color: #000;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  font-family: var(--font);
  transition: opacity 0.15s;
  align-self: flex-start;
}

.form-submit:hover { opacity: 0.88; }

/* ── RESPONSIVE ────────────────────────────────────────────── */
@media (max-width: 900px) {
  .product-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; gap: 2rem; }
  .feature-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr 1fr; }
  .providers-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; gap: 2.5rem; }
  .nav-links { display: none; }
}

@media (max-width: 600px) {
  .nav { padding: 1rem 1.25rem; }
  .hero { padding: 4rem 1.25rem; min-height: 70vh; }
  .pricing-grid { grid-template-columns: 1fr; }
  .container { padding: 0 1.25rem; }
  .footer-bottom { flex-direction: column; gap: 0.75rem; text-align: center; }
}