/* ============================================================
   XPilot — styles.css
   Pure black · white type · subtle grayscale · tiny blue accents
   ============================================================ */

:root {
  --bg: #000000;
  --surface: rgba(255, 255, 255, 0.03);
  --surface-2: rgba(255, 255, 255, 0.055);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --t-primary: #ffffff;
  --t-secondary: rgba(255, 255, 255, 0.64);
  --t-tertiary: rgba(255, 255, 255, 0.4);
  --accent: #4f8ef7;
  --radius-lg: 24px;
  --radius-md: 16px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--t-primary);
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  line-height: 1.5;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }

/* Lucide icons render as <svg> — give them a sane default */
.lucide, [data-lucide] { width: 16px; height: 16px; stroke-width: 2; }

/* ---------- Layout ---------- */
.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 640px; }
.center { text-align: center; }
.section { padding: 112px 0; }

/* ---------- Typography ---------- */
.t-secondary { color: var(--t-secondary); }
.t-tertiary { color: var(--t-tertiary); }
.tiny { font-size: 12px; }
.strong { font-weight: 600; font-size: 12px; }

.eyebrow {
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--t-tertiary);
  font-weight: 500;
  margin-bottom: 16px;
}

.display-xl {
  font-size: clamp(2.5rem, 6vw, 4.25rem);
  line-height: 1.05;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
}

.display-lg {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 20px;
}

.lead {
  font-size: 18px;
  line-height: 1.7;
  max-width: 480px;
  margin-bottom: 40px;
}

.center .lead { margin-left: auto; margin-right: auto; }

/* ---------- Glass ---------- */
.glass {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.glass-hover {
  transition: transform 300ms var(--ease), border-color 300ms var(--ease),
    background 300ms var(--ease), box-shadow 300ms var(--ease);
}

.glass-hover:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  background: var(--surface-2);
  box-shadow: 0 24px 48px -24px rgba(0, 0, 0, 0.8);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 14px;
  font-size: 15px;
  font-weight: 600;
  padding: 14px 26px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 300ms var(--ease), box-shadow 300ms var(--ease),
    background 300ms var(--ease), border-color 300ms var(--ease);
}

.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.btn-primary { background: #ffffff; color: #000000; }
.btn-primary:hover {
  transform: translateY(-4px) scale(1.015);
  box-shadow: 0 18px 40px -18px rgba(255, 255, 255, 0.35);
}

.btn-ghost {
  background: var(--surface);
  color: var(--t-primary);
  border-color: var(--border);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}
.btn-ghost:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  background: var(--surface-2);
}

.btn-block { width: 100%; }
.btn-xl { padding: 18px 40px; font-size: 17px; }

.btn-pulse { animation: pulse-soft 3.2s ease-in-out infinite; }

@keyframes pulse-soft {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.1); }
  50% { box-shadow: 0 0 0 10px rgba(255, 255, 255, 0); }
}

/* Continuously animated navbar download button:
   gentle breathing scale + a slow sheen sweeping across */
.btn-nav-download {
  padding: 9px 18px;
  font-size: 14px;
  position: relative;
  overflow: hidden;
  animation: nav-breathe 2.8s ease-in-out infinite;
}

.btn-nav-download::after {
  content: "";
  position: absolute;
  top: 0;
  left: -80%;
  width: 60%;
  height: 100%;
  background: linear-gradient(
    105deg,
    transparent 0%,
    rgba(255, 255, 255, 0.14) 50%,
    transparent 100%
  );
  animation: nav-sheen 2.8s ease-in-out infinite;
}

@keyframes nav-breathe {
  0%, 100% { transform: scale(1); border-color: var(--border); }
  50% { transform: scale(1.035); border-color: var(--border-strong); }
}

@keyframes nav-sheen {
  0% { left: -80%; }
  55%, 100% { left: 120%; }
}

/* ---------- Navbar ---------- */
.nav-wrap {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 16px 16px 0;
}

.navbar {
  width: 100%;
  max-width: 1000px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  border-radius: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 16px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 14px;
  color: var(--t-secondary);
  transition: color 300ms var(--ease);
}
.nav-link:hover, .nav-link.active { color: var(--t-primary); }

.nav-right { display: flex; align-items: center; gap: 10px; }

.menu-toggle { display: none; color: var(--t-primary); padding: 8px; }

.mobile-menu {
  width: 100%;
  max-width: 1000px;
  margin-top: 8px;
  padding: 12px 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-radius: 18px;
}
.mobile-menu[hidden] { display: none; }
.mobile-menu .nav-link { padding: 10px 4px; font-size: 15px; }

.hide-sm { display: inline; }
.show-sm { display: none; }

/* ---------- Hero ---------- */
.hero { padding-top: 176px; }

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 40px;
  align-items: center;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 48px;
}

.trust-bar {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 28px;
  padding: 16px 24px;
  border-radius: 16px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--t-secondary);
}
.trust-item .lucide { width: 15px; height: 15px; }

/* Hero image slot — transparent frame; the whole (PNG) image shows on the
   page's own black background, never cropped. */
.hero-image-slot {
  position: relative;
  width: 100%;
  max-width: 820px;
  height: 100%;
  min-height: 420px;
  justify-self: end;
  border: none;
  background: transparent;
  overflow: visible;
}

.hero-image-slot img {
  width: 100%;
  height: 100%;
  /* contain (not cover) so the full image is visible — no left/right crop. */
  object-fit: contain;
}

.hero-image-slot img.img-empty,
.hero-image-slot img[src=""] { display: none; }

/* When an image loads, the dashed border and hint disappear */
.hero-image-slot:has(img:not(.img-empty):not([src=""])) {
  border: none;
}
.hero-image-slot:has(img:not(.img-empty):not([src=""])) .slot-hint { display: none; }

.slot-hint {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  text-align: center;
  color: var(--t-tertiary);
  font-size: 14px;
}
.slot-hint .lucide { width: 28px; height: 28px; stroke-width: 1.5; }
.slot-hint small { font-size: 12px; }

/* ---------- Features (horizontal scroll) ---------- */
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 48px;
}

.scroll-controls { display: flex; gap: 10px; }

/* Row: fixed heading on the left, scrollable cards on the right */
.features-layout {
  display: flex;
  align-items: center;
  gap: 32px;
  padding-left: max(24px, calc((100vw - 1120px) / 2 + 24px));
}

/* Heading panel — stays put; only the cards scroll */
.features-intro {
  flex: 0 0 320px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 24px 16px;
}
.features-intro .eyebrow { margin-bottom: 12px; }
.features-intro .display-lg { margin-bottom: 28px; }

.scroll-btn {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--t-primary);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  transition: transform 300ms var(--ease), border-color 300ms var(--ease),
    background 300ms var(--ease), opacity 300ms var(--ease);
}
.scroll-btn:hover { transform: translateY(-4px); border-color: var(--border-strong); background: var(--surface-2); }
.scroll-btn:disabled { opacity: 0.3; pointer-events: none; }

.features-track-wrap { flex: 1 1 auto; min-width: 0; overflow: hidden; }

.features-track {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: 8px max(24px, calc((100vw - 1120px) / 2 + 24px)) 24px 4px;
  cursor: grab;
  scrollbar-width: none; /* Firefox */
}
.features-track::-webkit-scrollbar { display: none; }
.features-track.dragging { cursor: grabbing; scroll-snap-type: none; scroll-behavior: auto; }

.feature-card {
  flex: 0 0 340px;
  scroll-snap-align: start;
  padding: 32px;
  display: flex;
  flex-direction: column;
}

.feature-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  margin-bottom: 24px;
}
.feature-icon .lucide { width: 22px; height: 22px; }

.feature-card h3 {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.feature-card > p { font-size: 14px; line-height: 1.6; margin-bottom: 24px; flex: 1; }

/* ---------- Mini mockups ---------- */
.mock-window {
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
}

.mock-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  color: var(--t-tertiary);
}
.mock-head .x-logo { color: var(--t-primary); }
.mock-head .lucide { width: 14px; height: 14px; }

.mock-label { font-size: 11px; color: var(--t-tertiary); margin-bottom: 8px; }

.mock-bubble {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.mock-bubble p { font-size: 12px; color: var(--t-secondary); line-height: 1.5; }
.mock-bubble .lucide { width: 13px; height: 13px; flex-shrink: 0; }
.mock-bubble.privacy { justify-content: flex-start; align-items: flex-start; margin-bottom: 12px; }
.mock-bubble.privacy .lucide { width: 15px; height: 15px; margin-top: 1px; }

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

.mock-lines { display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px; }
.mock-line { height: 7px; border-radius: 99px; background: rgba(255, 255, 255, 0.14); display: block; }
.mock-line.dim { background: rgba(255, 255, 255, 0.07); }

.mock-chip-row { display: flex; justify-content: flex-end; }

.mock-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--t-secondary);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: 5px 10px;
}
.mock-chip .lucide { width: 11px; height: 11px; }

.mock-flow { display: flex; align-items: flex-start; justify-content: space-between; gap: 6px; }
.flow-step { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.flow-step small { font-size: 10px; color: var(--t-tertiary); }
.flow-box {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
}
.flow-box.active { border-color: var(--accent); }
.flow-arrow { width: 13px; height: 13px; color: var(--t-tertiary); margin-top: 14px; }

.mock-lock { display: flex; align-items: center; gap: 8px; color: var(--t-tertiary); }
.mock-lock .lucide { width: 11px; height: 11px; }

/* ---------- How It Works ---------- */
.hiw-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}

.timeline { display: flex; flex-direction: column; }

.step { display: flex; gap: 24px; }

.step-rail { display: flex; flex-direction: column; align-items: center; }

.step-num {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  font-weight: 600;
  font-size: 15px;
}

.step-line {
  width: 1px;
  flex: 1;
  min-height: 28px;
  margin: 6px 0;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.04));
}

.step-body { padding-bottom: 40px; }
.step-body h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.step-body p { font-size: 14px; line-height: 1.6; max-width: 320px; }

/* ---------- Pricing ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: 48px;
  align-items: center;
}

.pricing-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: stretch;
}

/* Single-plan layout: one centered card. */
.pricing-cards.pricing-single {
  grid-template-columns: 1fr;
  max-width: 440px;
  margin-inline: auto;
}
.pricing-cards.pricing-single .card-pro {
  transform: none;
}

.price-card {
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
}

.price-card h3 { font-size: 24px; font-weight: 600; }

.pro-head { display: flex; align-items: flex-start; justify-content: space-between; }

.card-pro {
  background: linear-gradient(180deg, #17181b 0%, #0e0f11 100%);
  border-color: var(--border-strong);
  box-shadow: 0 32px 64px -32px rgba(0, 0, 0, 0.9);
  transform: translateY(-8px);
}
.card-pro.glass-hover:hover { transform: translateY(-12px); }

.badge-popular {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-strong);
  border-radius: 99px;
  padding: 5px 12px;
}
.badge-popular .lucide { width: 11px; height: 11px; }

.tagline { font-size: 14px; margin: 4px 0 28px; }

.price-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding-bottom: 32px;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--border);
}
.price { font-size: 44px; font-weight: 700; letter-spacing: -0.03em; }
.price-row span:last-child { font-size: 14px; }

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 40px;
  flex: 1;
}
.feature-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--t-secondary);
}
.feature-list.pro li { color: var(--t-primary); }

.tick {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: var(--t-secondary);
}
.tick.pro { background: #ffffff; color: #000000; }
.tick .lucide { width: 11px; height: 11px; stroke-width: 3; }

/* ---------- Download ---------- */
.download-section { padding: 128px 0; }

.download-status {
  font-size: 14px;
  margin-top: 20px;
  min-height: 20px;
}

.platform-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: 14px;
  margin-top: 16px;
}

.accent-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
}

/* Browser extension card (download section) */
.ext-card {
  margin: 56px auto 0;
  max-width: 640px;
  padding: 28px;
  text-align: left;
}

.ext-head {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.ext-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  border: 1px solid var(--border-strong);
  background: var(--surface-2);
}

.ext-icon .lucide { width: 20px; height: 20px; }

.ext-copy h3 { font-size: 20px; font-weight: 600; margin-bottom: 6px; }
.ext-copy p { font-size: 14px; line-height: 1.6; }

.ext-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.ext-actions .btn { flex: 1 1 220px; padding: 14px 16px; white-space: nowrap; font-size: 14.5px; }

.ext-actions .btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.ext-hint {
  display: flex;
  align-items: flex-start;
  line-height: 1.5;
  gap: 8px;
  margin-top: 16px;
  font-size: 13px;
}

.ext-hint .lucide { width: 15px; height: 15px; flex-shrink: 0; margin-top: 2px; }
.ext-hint strong { color: var(--t-primary); font-weight: 600; }

.ext-note {
  margin-top: 16px;
  font-size: 14px;
  line-height: 1.6;
  min-height: 20px;
}

.ext-note a { color: var(--t-primary); text-decoration: underline; }

.ext-steps {
  margin: 16px 0 0 20px;
  font-size: 14px;
  line-height: 1.7;
}

.ext-steps strong { color: var(--t-primary); font-weight: 600; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--border); padding: 40px 0; }

.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-links { display: flex; gap: 28px; font-size: 14px; }
.footer-links a { transition: color 300ms var(--ease); }
.footer-links a:hover { color: var(--t-primary); }

/* ---------- Scroll reveal ---------- */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 700ms var(--ease), transform 700ms var(--ease);
}
.fade-up.in-view { opacity: 1; transform: translateY(0); }
.delay-100 { transition-delay: 100ms; }
.delay-150 { transition-delay: 150ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-grid, .hiw-grid, .pricing-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-image-slot { justify-self: start; height: auto; min-height: 0; aspect-ratio: 4 / 3; }
  .section { padding: 80px 0; }
  .hero { padding-top: 140px; }
}

@media (max-width: 720px) {
  .nav-links { display: none; }
  .menu-toggle { display: flex; }
  .pricing-cards { grid-template-columns: 1fr; }
  .card-pro { transform: none; }
  .section-head { flex-direction: column; align-items: flex-start; }
  .features-layout { flex-direction: column; align-items: stretch; gap: 8px; padding-left: 0; }
  .features-intro { flex-basis: auto; padding: 0 24px; }
  .features-track { padding-left: 24px; }
  .hide-sm { display: none; }
  .show-sm { display: inline; }
  .feature-card { flex-basis: 300px; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .fade-up { opacity: 1; transform: none; transition: none; }
  .btn-pulse, .btn-nav-download, .btn-nav-download::after { animation: none; }
  .glass-hover, .btn, .scroll-btn { transition: none; }
}