/* ==============================================
   LatencyMap — v3
   Colors pulled from the app itself:
   green / amber / red latency palette
   Font: Bricolage Grotesque + Inter + JB Mono
   ============================================== */

:root {
  /* Light */
  --bg:         #F4F4F8;
  --bg-surface: #FFFFFF;
  --bg-raised:  #EBEBF3;

  --ink:        #111118;
  --ink-2:      #52525C;
  --ink-3:      #9898A6;

  --rule:       rgba(0,0,0,0.08);

  /* Latency data colors (same as the app) */
  --good:       #22C55E;
  --good-bg:    rgba(34, 197, 94, 0.10);
  --mid:        #F59E0B;
  --mid-bg:     rgba(245, 158, 11, 0.10);
  --slow:       #F43F5E;
  --slow-bg:    rgba(244, 63, 94, 0.10);

  /* Site accent — purple→pink, same as app logo gradient */
  --accent-from: #9B59D0;
  --accent-to:   #E040FB;
  --accent:      #9B59D0;
  --accent-glow: rgba(155, 89, 208, 0.22);
  --accent-bg:   rgba(155, 89, 208, 0.08);
  --accent-grad: linear-gradient(135deg, #9B59D0, #E040FB);

  --font-display: 'Bricolage Grotesque', system-ui, sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  --hero-glow: radial-gradient(ellipse 60% 40% at 50% 100%, rgba(155,89,208,0.13) 0%, transparent 70%);
}

[data-theme="dark"] {
  --bg:         #0E0E1A;
  --bg-surface: #13131F;
  --bg-raised:  #1A1A2A;

  --ink:        #E8E8F0;
  --ink-2:      #8888A0;
  --ink-3:      #505068;

  --rule:       rgba(255,255,255,0.07);

  --good:       #4ADE80;
  --good-bg:    rgba(74, 222, 128, 0.10);
  --mid:        #FBBF24;
  --mid-bg:     rgba(251, 191, 36, 0.10);
  --slow:       #F87171;
  --slow-bg:    rgba(248, 113, 113, 0.10);

  --accent-from: #B97AE8;
  --accent-to:   #F06AFF;
  --accent:      #C47AF0;
  --accent-glow: rgba(196, 122, 240, 0.20);
  --accent-bg:   rgba(196, 122, 240, 0.08);
  --accent-grad: linear-gradient(135deg, #B97AE8, #F06AFF);

  --hero-glow: radial-gradient(ellipse 70% 50% at 50% 100%, rgba(196,122,240,0.12) 0%, transparent 65%);
}

/* ---- Reset ---- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background 0.3s, color 0.3s;
}

a { text-decoration: none; color: inherit; }
img { display: block; }

[data-theme="dark"]  .moon-icon   { display: none; }
[data-theme="light"] .sun-icon    { display: none; }
[data-theme="dark"]  .theme-light { display: none; }
[data-theme="light"] .theme-dark  { display: none; }

/* ---- Header ---- */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2.5rem;
  height: 3.5rem;
  transition: background 0.3s, border-color 0.3s;
  border-bottom: 1px solid transparent;
}

.header.scrolled {
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-color: var(--rule);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--ink);
}

.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--accent-grad);
  color: #fff;
  flex-shrink: 0;
}

.logo-text {
  background: var(--accent-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

header nav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink-2);
  transition: color 0.2s;
}
header nav a:hover { color: var(--ink); }

.nav-cta {
  font-family: var(--font-display);
  font-weight: 700 !important;
  font-size: 0.8rem !important;
  padding: 0.45rem 1rem;
  background: var(--accent-grad) !important;
  color: #fff !important;
  border-radius: 7px;
  transition: filter 0.2s !important;
}
.nav-cta:hover { filter: brightness(1.1); color: #fff !important; }

/* ---- Language selector ---- */
.lang-selector {
  position: relative;
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  background: none;
  border: 1px solid var(--rule);
  color: var(--ink-2);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.35rem 0.6rem;
  border-radius: 7px;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
  white-space: nowrap;
}
.lang-btn:hover { border-color: var(--ink-3); color: var(--ink); }

.lang-chevron {
  transition: transform 0.2s;
}
.lang-btn[aria-expanded="true"] .lang-chevron {
  transform: rotate(180deg);
}

.lang-menu {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: var(--bg-surface);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 0.4rem;
  min-width: 140px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
  z-index: 200;
  flex-direction: column;
  gap: 1px;
}
.lang-menu.open { display: flex; }

.lang-opt {
  background: none;
  border: none;
  color: var(--ink-2);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 400;
  text-align: left;
  padding: 0.45rem 0.75rem;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  width: 100%;
}
.lang-opt:hover { background: var(--bg-raised); color: var(--ink); }
.lang-opt.active {
  color: var(--accent);
  font-weight: 600;
}

/* RTL support */
[dir="rtl"] .lang-menu { right: auto; left: 0; }
[dir="rtl"] .lang-opt  { text-align: right; }
[dir="rtl"] .feature-row { direction: rtl; }

#theme-toggle {
  background: none;
  border: 1px solid var(--rule);
  color: var(--ink-2);
  width: 30px; height: 30px;
  border-radius: 7px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s, border-color 0.2s;
}
#theme-toggle:hover { color: var(--ink); border-color: var(--ink-3); }

/* ---- Buttons ---- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.8rem 1.6rem;
  background: var(--accent-grad);
  color: #fff !important;
  border-radius: 9px;
  transition: filter 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 2px 16px var(--accent-glow);
}
.btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
  box-shadow: 0 6px 24px var(--accent-glow);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.8rem 1.6rem;
  border: 1px solid var(--rule);
  color: var(--ink-2) !important;
  border-radius: 9px;
  transition: border-color 0.2s, color 0.2s;
}
.btn-ghost:hover { border-color: var(--ink-3); color: var(--ink) !important; }

.btn-large { font-size: 1.05rem; padding: 0.95rem 2rem; }

/* ---- Hero ---- */
.hero {
  padding-top: 7rem;
  padding-bottom: 0;
  text-align: center;
  overflow: hidden;
}

.hero-text {
  padding: 0 1.5rem;
  max-width: 760px;
  margin: 0 auto 2.5rem;
}

.hero-text h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
  color: var(--ink);
}

.word-accent {
  background: var(--accent-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-text p {
  font-size: 1.05rem;
  color: var(--ink-2);
  max-width: 520px;
  margin: 0 auto 2.25rem;
  line-height: 1.75;
}

.hero-cta {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Latency chips row */
.latency-row {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  padding: 0 1.5rem;
  margin-bottom: 3rem;
}

.lat-chip {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 0.35rem 0.75rem 0.35rem 0.6rem;
  border-radius: 999px;
  border: 1px solid transparent;
}

.lat-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

.lat-ms { font-weight: 500; }
.lat-label { opacity: 0.6; }

.lat-good { background: var(--good-bg); border-color: rgba(74,222,128,0.2); color: var(--good); }
.lat-good .lat-dot { background: var(--good); box-shadow: 0 0 5px var(--good); }

.lat-mid { background: var(--mid-bg); border-color: rgba(251,191,36,0.2); color: var(--mid); }
.lat-mid .lat-dot { background: var(--mid); box-shadow: 0 0 5px var(--mid); }

.lat-slow { background: var(--slow-bg); border-color: rgba(248,113,113,0.2); color: var(--slow); }
.lat-slow .lat-dot { background: var(--slow); box-shadow: 0 0 5px var(--slow); }

/* Screenshot */
.screenshot-wrap {
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

.screenshot-frame {
  position: relative;
  z-index: 1;
  border-radius: 12px 12px 0 0;
  overflow: hidden;
  border: 1px solid var(--rule);
  border-bottom: none;
  box-shadow:
    0 -4px 40px rgba(0,0,0,0.08),
    0 0 0 0 transparent;
}

.app-screenshot {
  width: 100%;
  height: auto;
}

.screen-glow {
  position: absolute;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 200px;
  background: var(--hero-glow);
  pointer-events: none;
  z-index: 0;
}

/* ---- Features ---- */
.features {
  padding: 7rem 2.5rem;
  max-width: 1000px;
  margin: 0 auto;
}

.features-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 3rem;
}

.feature-row {
  display: grid;
  grid-template-columns: 3rem 1fr 1fr;
  gap: 0 2.5rem;
  padding: 2rem 0;
  border-top: 1px solid var(--rule);
  align-items: start;
  transition: background 0.2s;
}

.feature-row:last-child { border-bottom: 1px solid var(--rule); }

.feature-row-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-3);
  padding-top: 0.15rem;
  letter-spacing: 0.04em;
}

.feature-row-name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.2;
}

.feature-row-desc {
  font-size: 0.9rem;
  color: var(--ink-2);
  line-height: 1.65;
}


/* ---- Bottom CTA ---- */
.bottom-cta {
  text-align: center;
  padding: 8rem 2rem;
}

.bottom-cta h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 2rem;
  color: var(--ink);
}

.bottom-cta-sub {
  margin-top: 1.25rem;
  font-size: 0.825rem;
  color: var(--ink-3);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

/* ---- Footer ---- */
footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.75rem 2.5rem;
  border-top: 1px solid var(--rule);
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-logo {
  font-size: 0.9rem;
  opacity: 0.6;
}

.footer-logo .logo-icon {
  width: 24px;
  height: 24px;
  border-radius: 6px;
}

.footer-links {
  display: flex;
  gap: 1.75rem;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 0.8rem;
  color: var(--ink-3);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--ink); }

/* ---- Animations ---- */
.animate-in {
  opacity: 0;
  transform: translateY(14px);
  animation: fadeUp 0.65s ease forwards;
  animation-delay: calc(var(--i, 0) * 0.1s);
}

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

.scroll-animate {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.scroll-animate.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Responsive ---- */
@media (max-width: 860px) {
  .feature-row {
    grid-template-columns: 2.5rem 1fr;
    grid-template-rows: auto auto;
    gap: 0.25rem 1.5rem;
  }
  .feature-row-desc {
    grid-column: 2;
    margin-top: 0.25rem;
  }
}

@media (max-width: 640px) {
  .header { padding: 0 1.25rem; }
  .features { padding: 5rem 1.25rem; }
  footer { padding: 1.5rem 1.25rem; }

  .hero-text h1 { font-size: 2.5rem; }

  .latency-row { gap: 0.4rem; }
  .lat-label { display: none; }

.hero-cta { flex-direction: column; align-items: center; }
  .btn-primary, .btn-ghost { width: 100%; max-width: 300px; justify-content: center; }

  .footer-links { gap: 1rem; }

  header nav a:not(.nav-cta):not(#theme-toggle) { display: none; }
}