/* ──────────────────────────────────────────────────────────────────────────
   Hadar landing page — www.flyhadar.com
   Cockpit theme, matching the app at app.flyhadar.com.
   Mobile-first: every wider screen gets more room, never a different design.
   ────────────────────────────────────────────────────────────────────────── */

:root {
  --background:      #090C12;
  --surface:         #131B2E;
  --surface-variant: #1E2A45;
  --primary:         #4A9FFF;
  --primary-dim:     rgba(74, 159, 255, 0.15);
  --on-surface:      #C5CFE0;
  --on-surface-dim:  rgba(197, 207, 224, 0.55);
  --outline:         rgba(197, 207, 224, 0.14);
  --radius:      18px;
  --radius-sm:   12px;
  color-scheme: dark;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--background);
  color: var(--on-surface);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
  line-height: 1.55;
  -webkit-text-size-adjust: 100%;
}

/* ── Hero ───────────────────────────────────────────────────────────────── */

.hero {
  background: linear-gradient(170deg, #0D1B33 0%, #131B2E 40%, #1B3A66 100%);
  padding: 0 16px;
  padding-top: calc(48px + env(safe-area-inset-top, 0px));
  padding-bottom: 48px;
}

.hero-inner {
  max-width: 680px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 32px;
}

.wordmark {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--on-surface);
}

.wordmark .accent { color: var(--primary); }

.hero h1 {
  font-size: clamp(26px, 5.5vw, 38px);
  font-weight: 700;
  line-height: 1.2;
  color: #fff;
  margin-bottom: 16px;
}

.hero .sub {
  font-size: 16px;
  line-height: 1.6;
  color: rgba(197, 207, 224, 0.8);
  margin-bottom: 28px;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-start;
}

/* ── Buttons ────────────────────────────────────────────────────────────── */

.btn {
  display: inline-block;
  text-decoration: none;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  text-align: center;
  transition: opacity 0.15s;
}

.btn:hover { opacity: 0.88; }

.btn.primary {
  background: var(--primary);
  color: #041426;
  padding: 13px 28px;
  border: none;
}

.btn.ghost {
  background: transparent;
  color: var(--on-surface-dim);
  border: 1px solid var(--outline);
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 500;
}

/* ── Sections ───────────────────────────────────────────────────────────── */

.section {
  max-width: 900px;
  margin: 0 auto;
  padding: 48px 16px;
}

.section h2 {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 20px;
}

.section-sub {
  color: var(--on-surface-dim);
  margin-bottom: 28px;
  max-width: 560px;
}

/* ── Feature grid ───────────────────────────────────────────────────────── */

.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

@media (min-width: 520px) {
  .feature-grid { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 800px) {
  .feature-grid { grid-template-columns: 1fr 1fr 1fr; }
}

.feature-card {
  background: linear-gradient(180deg, var(--surface) 0%, var(--surface-variant) 100%);
  border-radius: var(--radius);
  padding: 20px 18px;
  position: relative;
}

.feature-icon {
  color: var(--primary);
  margin-bottom: 12px;
}

.feature-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 13.5px;
  color: var(--on-surface-dim);
  line-height: 1.5;
}

.badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 2px 10px;
  border-radius: 999px;
  margin-bottom: 8px;
}

.badge.free {
  background: rgba(124, 226, 176, 0.15);
  color: #7CE2B0;
}

.badge.ad {
  background: var(--primary-dim);
  color: var(--primary);
}

/* ── Privacy grid ───────────────────────────────────────────────────────── */

.privacy-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

@media (min-width: 520px) {
  .privacy-grid { grid-template-columns: 1fr 1fr; }
}

.priv-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 20px 18px;
}

.priv-icon {
  font-size: 24px;
  margin-bottom: 10px;
}

.priv-card h3 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 6px;
}

.priv-card p {
  font-size: 13.5px;
  color: var(--on-surface-dim);
  line-height: 1.5;
}

/* ── Steps (how accounts work) ──────────────────────────────────────────── */

.steps {
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.step {
  display: flex;
  gap: 18px;
}

.step-number {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  background: var(--primary);
  color: #041426;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  margin-top: 2px;
}

.step-body {
  flex: 1;
  min-width: 0;
}

.step-body h3 {
  font-size: 17px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 8px;
}

.step-body p {
  color: var(--on-surface);
  margin-bottom: 14px;
}

.step-body ul {
  list-style: none;
  padding: 0;
  margin-bottom: 8px;
}

.step-body li {
  padding: 4px 0;
  padding-left: 16px;
  position: relative;
  color: var(--on-surface);
}

.step-body li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--primary);
}

.step-body code {
  background: var(--surface-variant);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 13px;
}

/* ── Mockup screens ─────────────────────────────────────────────────────── */

.step-visual {
  margin-top: 12px;
}

.mock-screen {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 20px 18px;
  border: 1px solid var(--outline);
  max-width: 380px;
}

.mock-screen.compact {
  padding: 16px 18px;
}

.mock-heading {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 4px;
}

.mock-sub {
  font-size: 12px;
  color: var(--on-surface-dim);
  margin-bottom: 14px;
}

.mock-code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 15px;
  color: var(--primary);
  background: var(--background);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  letter-spacing: 0.04em;
  margin-bottom: 14px;
  text-align: center;
  word-break: break-all;
}

.mock-buttons {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.mock-btn {
  display: inline-block;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 16px;
}

.mock-btn.primary {
  background: var(--primary);
  color: #041426;
}

.mock-btn.ghost {
  background: transparent;
  border: 1px solid var(--outline);
  color: var(--on-surface-dim);
}

.mock-btn.small {
  font-size: 12px;
  padding: 6px 14px;
}

.mock-check {
  font-size: 13px;
  color: var(--on-surface-dim);
  margin-bottom: 10px;
}

.mock-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 6px;
  margin-top: 12px;
}

.mock-label:first-child { margin-top: 8px; }

.mock-field {
  background: var(--background);
  border: 1px solid var(--outline);
  border-radius: var(--radius-sm);
  padding: 11px 13px;
  font-size: 15px;
  color: var(--on-surface);
  position: relative;
}

.mock-field.small {
  font-size: 14px;
  padding: 10px 12px;
}

.mock-field.filled {
  border-color: var(--primary);
}

.mock-arrow {
  float: right;
  color: var(--on-surface-dim);
}

.mock-autofill {
  float: right;
  font-size: 12px;
  color: var(--primary);
  font-weight: 500;
}

.mock-seat-row {
  display: flex;
  gap: 10px;
  margin-bottom: 4px;
}

.mock-seat {
  flex: 1;
  text-align: center;
  padding: 12px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--outline);
  font-size: 14px;
  font-weight: 600;
  color: var(--on-surface);
}

.mock-seat.active {
  background: var(--primary);
  color: #041426;
  border-color: var(--primary);
}

.mock-row-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 4px;
}

/* ── Browser save-password prompt mockup ─────────────────────────────── */

.mock-prompt {
  background: #2A2A2E;
  border-radius: var(--radius);
  padding: 18px 18px 14px;
  max-width: 340px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  margin-bottom: 14px;
}

.mock-prompt-title {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 10px;
}

.mock-prompt-site {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 6px;
}

.mock-prompt-user, .mock-prompt-pass {
  font-size: 14px;
  color: var(--on-surface);
  padding: 4px 0;
}

.mock-prompt-pass {
  letter-spacing: 0.12em;
  margin-bottom: 12px;
}

.mock-prompt-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.callout {
  font-size: 13.5px;
  color: var(--on-surface);
  line-height: 1.55;
  background: var(--primary-dim);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  border-left: 3px solid var(--primary);
}

/* ── Why box ────────────────────────────────────────────────────────────── */

.why-box {
  background: var(--surface);
  border-radius: var(--radius);
  max-width: 680px;
  padding: 32px 24px;
  margin: 0 auto 0;
}

.why-box p {
  margin-bottom: 14px;
  line-height: 1.6;
}

.why-box p:last-child { margin-bottom: 0; }

/* ── Install guide ──────────────────────────────────────────────────────── */

.install-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-bottom: 20px;
}

@media (min-width: 520px) {
  .install-grid { grid-template-columns: 1fr 1fr; }
}

.install-card {
  background: linear-gradient(180deg, var(--surface) 0%, var(--surface-variant) 100%);
  border-radius: var(--radius);
  padding: 20px 18px;
}

.install-card h3 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 12px;
}

.install-card ol {
  padding-left: 20px;
  margin-bottom: 12px;
}

.install-card li {
  padding: 4px 0;
  color: var(--on-surface);
  font-size: 14px;
}

.install-card em {
  color: var(--on-surface-dim);
  font-size: 13px;
}

.install-note {
  font-size: 13px;
  color: var(--on-surface-dim);
}

.install-explain {
  background: var(--surface);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
}

.install-explain p {
  font-size: 14px;
  color: var(--on-surface-dim);
  line-height: 1.55;
}

/* ── Pricing ────────────────────────────────────────────────────────────── */

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-bottom: 16px;
}

@media (min-width: 480px) {
  .pricing-grid { grid-template-columns: 1fr 1fr; }
}

.pricing-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
}

.pricing-card.featured {
  background: linear-gradient(170deg, #131B2E 0%, #1B3A66 100%);
  border: 1px solid rgba(74, 159, 255, 0.3);
}

.pricing-card h3 {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--on-surface-dim);
  margin-bottom: 8px;
}

.price {
  font-size: 36px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}

.price span {
  font-size: 16px;
  font-weight: 500;
  color: var(--on-surface-dim);
}

.pricing-card ul {
  list-style: none;
  padding: 0;
  margin-bottom: 20px;
  flex: 1;
}

.pricing-card li {
  padding: 5px 0;
  padding-left: 18px;
  position: relative;
  font-size: 14px;
  color: var(--on-surface);
}

.pricing-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 600;
}

.pricing-card .btn { align-self: flex-start; }

.pricing-note {
  font-size: 13px;
  color: var(--on-surface-dim);
  text-align: center;
}

/* ── Footer ─────────────────────────────────────────────────────────────── */

footer {
  border-top: 1px solid var(--outline);
  padding: 32px 16px;
  padding-bottom: calc(32px + env(safe-area-inset-bottom, 0px));
}

.footer-inner {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.footer-brand {
  font-weight: 600;
  color: var(--on-surface);
  margin-bottom: 8px;
}

.footer-links {
  margin-bottom: 8px;
}

.footer-links a {
  color: var(--primary);
  text-decoration: none;
  font-size: 14px;
}

.footer-links a:hover { text-decoration: underline; }

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