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

:root {
  --bg:          #111118;
  --bg-elevated: #18181f;
  --bg-card:     #1c1c24;
  --text:        #ededf0;
  --text-dim:    #a0a0b0;
  --text-muted:  #6d6d80;
  --cyan:        #5ce0d2;
  --purple:      #a78bfa;
  --border:      rgba(255, 255, 255, 0.07);
  --radius:      14px;
  --font-display: "Playfair Display", Georgia, serif;
  --font-body:    "DM Sans", system-ui, sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, monospace;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ─────────────────────────────── Layout ─────────────────────────────── */
.container {
  max-width: 1060px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ─────────────────────────────── Header ─────────────────────────────── */
.header {
  padding: 22px 0;
  position: relative;
  z-index: 10;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-family: var(--font-display);
  font-size: 1.25rem;
}

.header-icon {
  border-radius: 7px;
}

.header-nav {
  display: flex;
  gap: 28px;
}

.header-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  transition: color 0.2s;
}

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

/* ──────────────────────────────── Hero ──────────────────────────────── */
.hero {
  position: relative;
  padding: 80px 0 120px;
}

.hero-glow {
  position: absolute;
  top: -80px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 500px;
  background: radial-gradient(ellipse at center,
    rgba(92, 224, 210, 0.06) 0%,
    rgba(167, 139, 250, 0.04) 40%,
    transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-layout {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 80px;
}

.hero-text {
  flex: 1;
  position: relative;
}

.hero-icon {
  width: 80px;
  height: 80px;
  border-radius: 20px;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.08),
    0 12px 40px rgba(92, 224, 210, 0.1),
    0 4px 12px rgba(0, 0, 0, 0.3);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: 4.5rem;
  font-weight: 700;
  margin: 16px 0 0;
  letter-spacing: -0.02em;
  line-height: 1.05;
}

.tagline {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  color: var(--cyan);
  letter-spacing: 0.06em;
  margin: 14px 0 0;
  text-transform: uppercase;
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--text-dim);
  margin: 14px 0 0;
  max-width: 340px;
}

/* Decorative parens */
.hero-parens {
  display: none;
}

/* CTA */
.cta-button {
  display: inline-block;
  margin-top: 32px;
  transition: transform 0.2s, opacity 0.2s;
}

.cta-button:hover {
  transform: translateY(-2px);
  opacity: 0.85;
}

.appstore-badge {
  display: block;
  height: 48px;
  width: auto;
}

/* ─────────────────── Screenshot Stack ────────────────────────────── */
.hero-screenshots {
  flex-shrink: 0;
}

.screenshot-stack {
  position: relative;
  width: 380px;
  height: 540px;
}

.ss {
  position: absolute;
  height: 420px;
  width: auto;
  filter: drop-shadow(0 16px 40px rgba(0, 0, 0, 0.45));
  transform-origin: center center;
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.ss-back-1 {
  top: 60px;
  left: 0;
  transform: rotate(-6deg) scale(0.9);
  z-index: 1;
  opacity: 0.7;
}

.ss-back-2 {
  top: 50px;
  right: 0;
  left: auto;
  transform: rotate(5deg) scale(0.9);
  z-index: 2;
  opacity: 0.7;
}

.ss-front {
  top: 0;
  left: 50%;
  transform: translateX(-50%) rotate(0deg);
  z-index: 3;
  height: 460px;
}

.screenshot-stack:hover .ss-back-1 {
  transform: rotate(-10deg) scale(0.9) translateX(-12px);
}

.screenshot-stack:hover .ss-back-2 {
  transform: rotate(9deg) scale(0.9) translateX(12px);
}

.screenshot-stack:hover .ss-front {
  transform: translateX(-50%) translateY(-4px);
}

/* ──────────────────────────── Features ───────────────────────────── */
.features {
  padding: 80px 0 100px;
}

.section-heading {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 400;
  text-align: center;
  margin-bottom: 48px;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

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

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.feature-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--purple);
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 12px;
  opacity: 0.6;
}

.feature-card {
  background: var(--bg-card);
  padding: 32px;
  position: relative;
  transition: background 0.3s;
}

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

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--text-dim);
  font-size: 0.9rem;
  line-height: 1.6;
}

.feature-card code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  color: var(--cyan);
}

/* ─────────────────────────── Footer ──────────────────────────────── */
.footer {
  padding: 24px 0;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-nav {
  display: flex;
  gap: 24px;
}

.footer-nav a,
.footer a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

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

/* ────────────────────── Reveal Animations ────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.features-grid .reveal:nth-child(2) { transition-delay: 0.06s; }
.features-grid .reveal:nth-child(3) { transition-delay: 0.12s; }
.features-grid .reveal:nth-child(4) { transition-delay: 0.18s; }
.features-grid .reveal:nth-child(5) { transition-delay: 0.24s; }
.features-grid .reveal:nth-child(6) { transition-delay: 0.30s; }

/* ─────────────────────── Prose (Privacy) ─────────────────────────── */
.prose {
  padding: 80px 0;
  max-width: 600px;
}

.prose h1 {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 32px;
}

.prose h2 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  margin: 40px 0 12px;
}

.prose p {
  margin-bottom: 16px;
  color: var(--text-dim);
}

.prose a {
  color: var(--cyan);
  text-decoration: none;
}

.prose a:hover {
  text-decoration: underline;
}

.prose .muted {
  font-size: 0.82rem;
  margin-top: 48px;
  color: var(--text-muted);
}

/* ────────────────────────── Responsive ───────────────────────────── */
@media (max-width: 768px) {
  .hero-layout {
    flex-direction: column;
    text-align: center;
    gap: 48px;
  }

  .hero-sub {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-parens {
    font-size: 10rem;
    left: -20px;
  }

  .hero-parens--right {
    left: auto;
    right: -20px;
  }

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


  .hero h1 {
    font-size: 3.2rem;
  }

  .screenshot-stack {
    width: 300px;
    height: 440px;
  }

  .ss {
    height: 340px;
  }

  .ss-front {
    height: 370px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2.6rem;
  }

  .hero-sub {
    font-size: 1rem;
  }

  .screenshot-stack {
    width: 260px;
    height: 380px;
  }

  .ss {
    height: 280px;
  }

  .ss-front {
    height: 310px;
  }
}