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

:root {
  /* App palette — exact tokens from tailwind.config.ts */
  --bg:            #0e0e11;
  --bg-low:        #131317;
  --bg-container:  #19191e;
  --bg-high:       #1e1f26;
  --bg-highest:    #24252d;
  --bg-bright:     #2a2b35;

  --border:        #474750;
  --border-dim:    #3a3b43;

  --text:          #e6e4ef;
  --text-muted:    #abaab4;
  --text-dim:      #75757e;
  --text-dimmer:   #474750;

  /* Primary = silver-white, matching the app's primary token */
  --primary:       #c6c6c9;
  --primary-dim:   #b8b8bb;
  --primary-fixed: #e2e2e5;

  --font: 'Inter', system-ui, sans-serif;
  --mono: 'JetBrains Mono', 'Fira Code', monospace;

  --radius:    10px;
  --radius-lg: 16px;
  --radius-xl: 22px;

  --nav-h: 40px; /* matches app's h-10 navbar */
  --transition: 0.15s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ===========================
   TYPOGRAPHY UTILITIES
   =========================== */

/* The app's "accent" is just bright white/silver against dark — no blue.
   We use the primary token (#c6c6c9) for highlights and white for emphasis. */
.accent-text {
  color: var(--primary-fixed); /* #e2e2e5 — the brightest silver */
}

.silver-gradient {
  background: linear-gradient(90deg, #ffffff 0%, #c6c6c9 60%, #474750 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  padding-bottom: 0.15em;
  margin-bottom: -0.15em;
}

.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 14px;
}

/* ===========================
   LAYOUT
   =========================== */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===========================
   NAV
   =========================== */
#main-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(14,14,17,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-dim);
  transition: background var(--transition), border-color var(--transition);
}

#main-nav.scrolled {
  background: rgba(14,14,17,0.97);
  border-color: var(--border);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  transition: opacity var(--transition);
}

.logo:hover { opacity: 0.75; }

.logo-wordmark {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.logo-mark {
  width: 46px;
  height: auto;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
  transition: color var(--transition);
}

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

.nav-links a.nav-cta {
  background: var(--bg-highest);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 5px 14px;
  border-radius: 6px;
  font-weight: 500;
  font-size: 12px;
  transition: background var(--transition), border-color var(--transition);
}

.nav-links a.nav-cta:hover {
  background: var(--bg-bright);
  border-color: var(--primary-dim);
}

/* ===========================
   HERO
   =========================== */
.hero {
  position: relative;
  min-height: 100vh;
  padding-top: var(--nav-h);
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: radial-gradient(ellipse 70% 55% at 50% 15%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 70% 55% at 50% 15%, black 30%, transparent 100%);
}

/* Subtle vignette glows using only the app's silver/white palette */
.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
}

.glow-1 {
  width: 500px;
  height: 500px;
  top: -180px;
  left: -80px;
  background: radial-gradient(circle, rgba(198,198,201,0.07) 0%, transparent 70%);
}

.glow-2 {
  width: 420px;
  height: 420px;
  top: -120px;
  right: -60px;
  background: radial-gradient(circle, rgba(198,198,201,0.05) 0%, transparent 70%);
}

.glow-3 {
  width: 700px;
  height: 300px;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  background: radial-gradient(ellipse, rgba(198,198,201,0.04) 0%, transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-top: 72px;
  padding-bottom: 72px;
  text-align: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-container);
  border: 1px solid var(--border-dim);
  border-radius: 100px;
  padding: 4px 14px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 28px;
  letter-spacing: 0.04em;
}

.badge-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--primary-dim);
  animation: pulse 2.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.3; }
}

.hero h1 {
  font-size: clamp(42px, 7vw, 80px);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
  color: var(--text);
  margin-bottom: 8px;
}

.hero h1 .hero-subtitle-line {
  display: block;
  font-size: clamp(18px, 2.8vw, 30px);
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--text-muted);
  margin-top: 10px;
}

.hero-sub {
  font-size: clamp(15px, 2vw, 18px);
  color: var(--text-muted);
  max-width: 520px;
  margin: 24px auto 36px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: #19191e;
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  padding: 10px 22px;
  border-radius: 7px;
  transition: background var(--transition), transform 0.2s ease;
}

.btn-primary:hover {
  background: var(--primary-fixed);
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-high);
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 14px;
  padding: 10px 22px;
  border-radius: 7px;
  border: 1px solid var(--border);
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

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

/* Screenshot */
.hero-screenshot-wrapper {
  position: relative;
  max-width: 960px;
  margin: 0 auto;
}

.screenshot-glow {
  position: absolute;
  inset: -30px;
  background: radial-gradient(ellipse at 50% 60%, rgba(198,198,201,0.08) 0%, transparent 65%);
  pointer-events: none;
}

.screenshot {
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.04),
    0 24px 64px rgba(0,0,0,0.7);
  display: block;
  transition: transform 0.35s ease;
}

.screenshot:hover { transform: translateY(-3px); }

/* ===========================
   PROBLEM
   =========================== */
.problem {
  padding: 110px 0;
  border-top: 1px solid var(--border-dim);
}

.problem h2 {
  font-size: clamp(28px, 4.5vw, 46px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 56px;
}

.pain-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border-dim);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius);
  overflow: hidden;
}

.pain-card {
  background: var(--bg-low);
  padding: 28px 24px;
  transition: background var(--transition);
}

.pain-card:hover { background: var(--bg-container); }

.pain-icon {
  color: var(--primary-dim);
  margin-bottom: 14px;
  display: flex;
}

.pain-card h3 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
}

.pain-card p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ===========================
   FEATURES
   =========================== */
.features {
  padding: 110px 0;
  border-top: 1px solid var(--border-dim);
}

.features h2 {
  font-size: clamp(28px, 4.5vw, 46px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 56px;
}

.feature-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border-dim);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 32px 28px;
  background: var(--bg-low);
  transition: background var(--transition);
}

.feature-item:hover { background: var(--bg-container); }

.feature-icon-wrap {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: var(--bg-highest);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-dim);
  margin-top: 1px;
}

.feature-text h3 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 5px;
  color: var(--text);
}

.feature-text p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.65;
}

.feature-text code {
  font-family: var(--mono);
  font-size: 11px;
  background: var(--bg-highest);
  border: 1px solid var(--border-dim);
  border-radius: 4px;
  padding: 1px 5px;
  color: var(--text-muted);
}

/* ===========================
   HOW IT WORKS
   =========================== */
.how {
  padding: 110px 0;
  border-top: 1px solid var(--border-dim);
}

.how h2 {
  font-size: clamp(28px, 4.5vw, 46px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 12px;
}

.section-sub {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 56px;
}

.pane-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--border-dim);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius);
  overflow: hidden;
}

.pane-card {
  background: var(--bg-low);
  padding: 24px 20px;
  transition: background var(--transition);
}

.pane-card:hover { background: var(--bg-container); }

.pane-icon {
  color: var(--primary-dim);
  margin-bottom: 14px;
  display: flex;
  transition: color var(--transition);
}

.pane-card:hover .pane-icon {
  color: var(--primary-fixed);
}

.pane-card h3 {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 7px;
  color: var(--text);
}

.pane-card p {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ===========================
   DOWNLOAD
   =========================== */
.download {
  padding: 110px 0;
  border-top: 1px solid var(--border-dim);
}

.download h2 {
  font-size: clamp(28px, 4.5vw, 46px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 12px;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  align-items: start;
  gap: 16px;
  margin-top: 56px;
  margin-bottom: 28px;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.platform-card {
  background: var(--bg-low);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: border-color var(--transition), background var(--transition);
}

.platform-card:hover {
  border-color: var(--border);
  background: var(--bg-container);
}

.platform-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.platform-icon { color: var(--text-dim); }

.platform-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
}

.platform-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--primary);
  color: #19191e;
  text-decoration: none;
  font-weight: 600;
  font-size: 13px;
  padding: 10px 16px;
  border-radius: 7px;
  border: none;
  width: 100%;
  justify-content: center;
  transition: background var(--transition), transform 0.2s ease;
}

.download-btn:hover {
  background: var(--primary-fixed);
  transform: translateY(-1px);
}

/* Brew card */
.brew-card {
  background: var(--surface-hover);
  border: 1px solid var(--border-dim);
  border-radius: 8px;
  padding: 10px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brew-card code {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-muted);
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.copy-btn {
  flex-shrink: 0;
  background: none;
  border: 1px solid var(--border-dim);
  border-radius: 5px;
  color: var(--text-dim);
  cursor: pointer;
  padding: 4px 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.copy-btn:hover {
  color: var(--text);
  border-color: var(--border);
  background: var(--bg-highest);
}

.copy-btn.copied {
  color: #c3e88d; /* app's green from highlight tokens */
  border-color: rgba(195,232,141,0.25);
}

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

.source-note a {
  color: var(--text-muted);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.source-note a:hover {
  color: var(--text);
  text-decoration: underline;
}

/* ===========================
   FOOTER
   =========================== */
.footer {
  border-top: 1px solid var(--border-dim);
  padding: 36px 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
}

.footer-inner .logo {
  justify-self: start;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 20px;
  justify-self: end;
}

.footer-links a {
  text-decoration: none;
  color: var(--text-dim);
  font-size: 13px;
  transition: color var(--transition);
}

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

.footer-copy {
  font-size: 12px;
  color: var(--text-dimmer);
  justify-self: center;
  text-align: center;
}

/* ===========================
   SCROLL ANIMATIONS
   =========================== */
.fade-in {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===========================
   HAMBURGER BUTTON
   =========================== */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4.5px;
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 7px 8px;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
}

.hamburger:hover {
  background: var(--bg-highest);
  border-color: var(--primary-dim);
}

.hamburger span {
  display: block;
  width: 16px;
  height: 1.5px;
  background: var(--text-muted);
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.hamburger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ===========================
   NAV DRAWER
   =========================== */
.nav-drawer {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0;
  right: 0;
  z-index: 99;
  background: rgba(14,14,17,0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-dim);
  flex-direction: column;
  padding: 8px 0 14px;
}

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

.nav-drawer a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  padding: 11px 24px;
  transition: color var(--transition), background var(--transition);
}

.nav-drawer a:hover {
  color: var(--text);
  background: rgba(255,255,255,0.03);
}

.nav-drawer a.nav-cta {
  margin: 6px 16px 0;
  padding: 10px 16px;
  background: var(--bg-highest);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  text-align: center;
}

.nav-drawer a.nav-cta:hover {
  background: var(--bg-bright);
  border-color: var(--primary-dim);
}

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 900px) {
  .feature-list {
    grid-template-columns: 1fr;
  }

  .pain-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pane-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .platform-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }

  .pane-grid { grid-template-columns: 1fr 1fr; }

  .footer-inner {
    display: flex;
    flex-direction: column;
    text-align: center;
    gap: 24px;
  }
  .footer-inner .logo { justify-self: center; }
  .footer-copy { justify-self: center; text-align: center; }

  .hero h1 { font-size: 36px; }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: clamp(24px, 7.5vw, 32px);
    width: 100%;
    text-align: center;
  }

  .pain-grid { grid-template-columns: 1fr; }

  .pane-grid { grid-template-columns: 1fr; }

  .container { padding: 0 16px; }

  .problem, .features, .how, .download { padding: 72px 0; }
}

.platform-icon i {
  font-size: 28px;
}

.pain-icon i, .pane-icon i {
  font-size: 24px;
}

.feature-icon-wrap i {
  font-size: 20px;
}

.btn-primary i, .btn-secondary i, .download-btn i {
  font-size: 15px;
}

.copy-btn i {
  font-size: 13px;
}