:root {
  --color-primary: #E65100;
  --color-primary-dark: #BF360C;
  --color-secondary: #2E7D32;
  --color-accent: #FFA000;
  --color-bg: #FFF8E1;
  --color-surface: #FFFFFF;
  --color-surface-variant: #FFE0B2;
  --color-text: #1F1A14;
  --color-text-muted: #5F5648;
  --color-border: #E8DCC4;
  --color-error: #B00020;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,.08);
  --shadow-lg: 0 12px 32px rgba(0,0,0,.12);
  --max-width: 1120px;
  --header-height: 64px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 248, 225, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-text);
}
.brand img { width: 36px; height: 36px; border-radius: 8px; }
.brand:hover { text-decoration: none; }

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav a {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-weight: 500;
  font-size: .95rem;
}
.nav a:hover { background: var(--color-surface-variant); text-decoration: none; }
.nav .cta {
  background: var(--color-primary);
  color: #fff;
}
.nav .cta:hover { background: var(--color-primary-dark); color: #fff; }

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text);
}

/* Hero */
.hero {
  padding: 72px 0 48px;
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 1.1;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}
.hero h1 span { color: var(--color-primary); }
.hero p.lead {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  margin: 0 0 28px;
  max-width: 520px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .12s ease, box-shadow .12s ease, background .12s ease;
}
.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn-primary { background: var(--color-primary); color: #fff; box-shadow: var(--shadow-md); }
.btn-primary:hover { background: var(--color-primary-dark); color: #fff; }
.btn-secondary { background: var(--color-surface); color: var(--color-text); border-color: var(--color-border); }
.btn-secondary:hover { background: var(--color-surface-variant); }
.btn-ghost { background: transparent; color: var(--color-primary); }

.badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: .85rem;
  color: var(--color-text-muted);
}

/* Phone mockup */
.phone {
  width: 260px;
  margin: 0 auto;
  background: #1a1a1a;
  border-radius: 36px;
  padding: 10px;
  box-shadow: var(--shadow-lg);
  position: relative;
}
.phone-screen {
  background: var(--color-bg);
  border-radius: 28px;
  overflow: hidden;
  padding: 14px;
  min-height: 420px;
}
.phone-notch {
  width: 90px;
  height: 22px;
  background: #1a1a1a;
  border-radius: 0 0 16px 16px;
  margin: 0 auto 8px;
}
.mock-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 12px;
  margin-bottom: 10px;
  box-shadow: var(--shadow-sm);
}
.mock-title { font-weight: 700; color: var(--color-primary); font-size: .9rem; margin-bottom: 4px; }
.mock-line { height: 8px; background: var(--color-border); border-radius: 4px; margin: 6px 0; }
.mock-line.short { width: 60%; }
.mock-chip {
  display: inline-block;
  padding: 4px 10px;
  background: var(--color-surface-variant);
  border-radius: 999px;
  font-size: .75rem;
  margin: 2px;
}
.mock-btn {
  background: var(--color-primary);
  color: #fff;
  text-align: center;
  padding: 8px;
  border-radius: var(--radius-sm);
  font-size: .8rem;
  font-weight: 600;
  margin-top: 8px;
}

/* Sections */
section { padding: 72px 0; }
.section-head { text-align: center; margin-bottom: 48px; }
.section-head h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); margin: 0 0 12px; letter-spacing: -0.01em; }
.section-head p { color: var(--color-text-muted); max-width: 640px; margin: 0 auto; font-size: 1.05rem; }

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: transform .15s ease, box-shadow .15s ease;
}
.feature:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.feature .icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-surface-variant);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 14px;
}
.feature h3 { margin: 0 0 6px; font-size: 1.1rem; }
.feature p { margin: 0; color: var(--color-text-muted); font-size: .95rem; }

/* How it works */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.step {
  text-align: center;
  padding: 20px 16px;
}
.step .num {
  width: 44px; height: 44px;
  margin: 0 auto 12px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
}
.step h3 { margin: 0 0 6px; font-size: 1.05rem; }
.step p { margin: 0; color: var(--color-text-muted); font-size: .9rem; }

/* Privacy highlight */
.privacy-band {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
}
.privacy-band ul { list-style: none; padding: 0; margin: 0; }
.privacy-band li { padding: 8px 0; display: flex; gap: 10px; align-items: flex-start; }
.privacy-band li::before { content: "✓"; color: var(--color-secondary); font-weight: 700; }

/* Download */
.download-card {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  border-radius: var(--radius-xl);
  padding: 48px;
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.download-card h2 { color: #fff; margin: 0 0 12px; }
.download-card p { color: rgba(255,255,255,.9); margin: 0 0 24px; }
.download-card .btn { background: #fff; color: var(--color-primary); }
.download-card .btn:hover { background: var(--color-bg); }

/* Footer */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 40px 0 24px;
  margin-top: 48px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 24px;
}
.footer-grid h4 { margin: 0 0 10px; font-size: .95rem; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin: 6px 0; }
.footer-grid a { color: var(--color-text-muted); font-size: .9rem; }
.footer-grid a:hover { color: var(--color-primary); }
.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 16px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--color-text-muted);
  font-size: .85rem;
}

/* Page header (inner pages) */
.page-hero {
  padding: 64px 0 32px;
  text-align: center;
}
.page-hero h1 { font-size: clamp(2rem, 4vw, 2.8rem); margin: 0 0 12px; }
.page-hero p { color: var(--color-text-muted); max-width: 640px; margin: 0 auto; }

.content {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 20px 72px;
}
.content h2 { margin-top: 32px; }
.content ul, .content ol { padding-left: 22px; }
.content li { margin: 6px 0; }

/* Accordion FAQ */
.faq details {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 12px;
}
.faq summary { font-weight: 600; cursor: pointer; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq details[open] summary { color: var(--color-primary); margin-bottom: 8px; }

/* Responsive */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero p.lead { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .badges { justify-content: center; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .privacy-band { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .phone { margin: 24px auto 0; }
}
.demo { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-xl); padding: 32px; box-shadow: var(--shadow-md); }
.demo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.demo-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--color-surface-variant);
  border-radius: 999px;
  font-size: .85rem;
  margin: 2px;
}
.demo-chip button {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-muted);
  font-weight: 700;
  padding: 0;
  line-height: 1;
}
.demo-chip button:hover { color: var(--color-error); }

@media (max-width: 900px) {
  .demo-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .features-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .menu-toggle { display: block; }
  .nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0; right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    padding: 12px;
  }
  .nav.open { display: flex; }
  .nav a { width: 100%; }
}