/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
img, svg { display: block; }
img { max-width: 100%; height: auto; }
ul { list-style: none; }
a { color: inherit; }
button { font: inherit; border: none; background: none; cursor: pointer; }

/* ===== Tokens ===== */
:root {
  --clr-primary:      #7b1818;
  --clr-primary-hover:#5c1010;
  --clr-bg:           #fdf8f2;
  --clr-surface:      #ffffff;
  --clr-text:         #1a1010;
  --clr-text-muted:   #5e524c;
  --clr-border:       #e2d5c8;
  --clr-warm:         #f5eae0;
  --font:             system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, sans-serif;
  --radius:           12px;
  --radius-sm:        8px;
  --max-w:            1200px;
  --nav-h:            64px;
  --transition:       .18s ease;
}

/* ===== Dark mode ===== */
@media (prefers-color-scheme: dark) {
  :root {
    --clr-bg:       #1a1210;
    --clr-surface:  #231917;
    --clr-text:     #f0e8e0;
    --clr-text-muted: #b5a098;
    --clr-border:   #3e2e28;
    --clr-warm:     #2c1e18;
  }
  .phone-frame { border-color: #3e2e28; }
  .btn-primary[aria-disabled="true"] { background: #6b5252; }
}

/* ===== Base ===== */
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.65;
  min-height: 100dvh;
}

/* ===== Focus ===== */
:focus-visible {
  outline: 3px solid var(--clr-primary);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ===== Skip link ===== */
.skip-link {
  position: absolute; top: -100%; left: 1rem;
  background: var(--clr-primary); color: #fff;
  padding: .5rem 1rem; border-radius: var(--radius-sm);
  font-weight: 600; text-decoration: none; z-index: 9999;
}
.skip-link:focus { top: 1rem; }

/* ===== Nav ===== */
.site-nav {
  position: sticky; top: 0; z-index: 200;
  background: var(--clr-surface);
  border-bottom: 1px solid var(--clr-border);
  height: var(--nav-h);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 100%;
  display: flex; align-items: center; gap: 2rem;
}
.nav-brand {
  display: flex; align-items: center; gap: .625rem;
  text-decoration: none; color: var(--clr-primary);
  font-weight: 700; font-size: 1.125rem; letter-spacing: -.01em;
  flex-shrink: 0;
}
.nav-brand img {
  width: 38px; height: 38px; border-radius: 8px;
  border: 1px solid var(--clr-border);
}
.nav-links {
  display: flex; align-items: center; gap: 1.75rem;
  margin-inline-start: auto;
}
.nav-links a {
  text-decoration: none; color: var(--clr-primary);
  font-weight: 500; font-size: .9375rem;
  padding: .25rem 0;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition);
}
.nav-links a:hover { border-bottom-color: var(--clr-primary); }
.nav-cta { margin-inline-start: .75rem; }
.nav-toggle {
  display: none; margin-inline-start: auto;
  padding: .5rem; color: var(--clr-primary);
  align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
}

/* ===== Mobile nav drawer ===== */
.nav-drawer {
  display: none;
  position: fixed; top: var(--nav-h); left: 0; right: 0;
  background: var(--clr-surface);
  border-bottom: 1px solid var(--clr-border);
  padding: 1rem 1.5rem 1.5rem;
  flex-direction: column; gap: 1rem;
  z-index: 199;
  box-shadow: 0 8px 24px rgba(0,0,0,.08);
}
.nav-drawer.is-open { display: flex; }
.nav-drawer a {
  text-decoration: none; color: var(--clr-primary);
  font-weight: 500; font-size: 1rem;
  padding: .5rem 0;
  border-bottom: 1px solid var(--clr-border);
}
.nav-drawer .btn-primary { align-self: flex-start; }

/* ===== Buttons ===== */
.btn-primary {
  display: inline-flex; align-items: center; gap: .5rem;
  background: var(--clr-primary); color: #fff;
  padding: .625rem 1.375rem; border-radius: 999px;
  font-weight: 600; font-size: .9375rem;
  text-decoration: none; white-space: nowrap;
  transition: background var(--transition), transform .1s;
}
.btn-primary:hover:not([aria-disabled="true"]) { background: var(--clr-primary-hover); }
.btn-primary:active:not([aria-disabled="true"]) { transform: scale(.97); }
.btn-primary[aria-disabled="true"] {
  background: #9b8a84; pointer-events: none; cursor: default;
}
.btn-ghost {
  display: inline-flex; align-items: center; gap: .375rem;
  color: var(--clr-primary); font-weight: 600; font-size: .9375rem;
  text-decoration: none; padding: .625rem 0;
}
.btn-ghost:hover { text-decoration: underline; }
.btn-ghost .arrow { transition: transform var(--transition); }
.btn-ghost:hover .arrow { transform: translateX(3px); }

/* ===== Hero ===== */
.hero {
  max-width: var(--max-w); margin: 0 auto;
  padding: 4.5rem 1.5rem 4rem;
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 4rem; align-items: center;
}
.hero-content { max-width: 540px; }
.hero h1 {
  font-size: clamp(2.125rem, 4.5vw, 3.375rem);
  font-weight: 800; line-height: 1.12;
  color: var(--clr-primary); letter-spacing: -.025em;
  margin-bottom: 1.25rem;
}
.hero-tagline {
  font-size: 1.0625rem; line-height: 1.65;
  color: var(--clr-text-muted); margin-bottom: 2.25rem;
}
.hero-actions {
  display: flex; align-items: center; gap: 1.5rem;
  flex-wrap: wrap; margin-bottom: 2.5rem;
}
.trust-row {
  display: flex; flex-wrap: wrap; gap: .625rem;
}
.trust-badge {
  display: inline-flex; align-items: center; gap: .4375rem;
  background: var(--clr-warm); border: 1px solid var(--clr-border);
  border-radius: 999px; padding: .375rem .875rem;
  font-size: .8125rem; font-weight: 500; color: var(--clr-text-muted);
}
.trust-badge svg { color: var(--clr-primary); flex-shrink: 0; }

/* ===== Phone mockup ===== */
.hero-visual {
  display: flex; justify-content: center; align-items: flex-start;
  position: relative; padding-top: 1.5rem; padding-bottom: 1.5rem;
}
.phone-wrap { position: relative; width: 240px; }
.phone-frame {
  background: var(--clr-surface);
  border: 2px solid #d0c0b8; border-radius: 34px;
  overflow: hidden;
  box-shadow:
    0 0 0 6px rgba(123,24,24,.06),
    0 20px 60px rgba(123,24,24,.18),
    0 4px 16px rgba(0,0,0,.1);
}
.phone-frame img {
  width: 100%; height: auto; display: block;
  border-radius: 32px;
}
.deco-sun {
  position: absolute; top: -1rem; right: -2rem;
  width: 72px; height: 72px; pointer-events: none;
}
.deco-moon {
  position: absolute; bottom: 0; left: -2.5rem;
  width: 52px; height: 52px; pointer-events: none;
}

/* ===== Sections ===== */
section { padding: 4rem 1.5rem; }
.section-inner { max-width: var(--max-w); margin: 0 auto; }
.section-heading {
  font-size: clamp(1.375rem, 2.5vw, 2rem);
  font-weight: 700; color: var(--clr-primary);
  text-align: center; letter-spacing: -.015em;
  margin-bottom: 2.5rem;
}

/* ===== Features ===== */
.features { background: var(--clr-surface); border-top: 1px solid var(--clr-border); }
.features-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem;
}
.feature-card {
  border: 1px solid var(--clr-border); border-radius: var(--radius);
  overflow: hidden; background: var(--clr-bg);
  transition: box-shadow var(--transition);
}
.feature-card:hover { box-shadow: 0 4px 20px rgba(123,24,24,.1); }
.feature-thumb {
  width: 100%; overflow: hidden;
  aspect-ratio: 9/14; max-height: 200px;
}
.feature-thumb img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: top;
}
.feature-body { padding: 1.25rem 1.125rem; }
.feature-body h3 {
  font-size: .9375rem; font-weight: 700;
  color: var(--clr-primary); margin-bottom: .375rem;
  line-height: 1.3;
}
.feature-body p {
  font-size: .875rem; color: var(--clr-text-muted); line-height: 1.55;
}

/* ===== Privacy section ===== */
.privacy-section {
  background: linear-gradient(135deg, var(--clr-warm) 0%, var(--clr-bg) 100%);
  border-top: 1px solid var(--clr-border);
}
.privacy-cards {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem; max-width: 800px; margin: 0 auto;
}
.privacy-card {
  display: flex; gap: 1rem; align-items: flex-start;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border); border-radius: var(--radius);
  padding: 1.5rem 1.375rem;
}
.privacy-card-icon {
  flex-shrink: 0; width: 44px; height: 44px;
  background: var(--clr-warm); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--clr-primary);
}
.privacy-card-body {}
.privacy-card h3 {
  font-size: .9375rem; font-weight: 700;
  color: var(--clr-text); margin-bottom: .375rem; line-height: 1.3;
}
.privacy-card p { font-size: .875rem; color: var(--clr-text-muted); line-height: 1.55; }

/* ===== Footer ===== */
.site-footer {
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
  padding: 1.75rem 1.5rem;
}
.footer-inner {
  max-width: var(--max-w); margin: 0 auto;
  display: flex; flex-wrap: wrap; align-items: center;
  justify-content: space-between; gap: .875rem;
}
.footer-brand {
  font-weight: 700; font-size: .9375rem; color: var(--clr-primary);
}
.footer-links {
  display: flex; gap: 1.75rem;
}
.footer-links a {
  text-decoration: none; color: var(--clr-text-muted); font-size: .875rem;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--clr-primary); text-decoration: underline; }
.footer-copy {
  width: 100%; text-align: center;
  font-size: .8125rem; color: var(--clr-text-muted); margin-top: .25rem;
}

/* ===== Privacy page ===== */
.policy-page { max-width: 720px; margin: 0 auto; padding: 3rem 1.5rem 4rem; }
.policy-page h1 {
  font-size: clamp(1.625rem, 3vw, 2.25rem);
  font-weight: 800; color: var(--clr-primary);
  letter-spacing: -.02em; margin-bottom: .5rem;
}
.policy-page .policy-meta {
  font-size: .875rem; color: var(--clr-text-muted);
  margin-bottom: 2.5rem; padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--clr-border);
}
.policy-page h2 {
  font-size: 1.125rem; font-weight: 700;
  color: var(--clr-primary); margin: 2rem 0 .75rem;
  letter-spacing: -.01em;
}
.policy-page h3 {
  font-size: 1rem; font-weight: 700;
  color: var(--clr-text); margin: 1.5rem 0 .5rem;
}
.policy-page p { margin-bottom: .875rem; font-size: .9375rem; line-height: 1.7; }
.policy-page ul, .policy-page ol {
  margin: .5rem 0 .875rem 1.25rem; list-style: disc;
}
.policy-page li { font-size: .9375rem; line-height: 1.65; margin-bottom: .25rem; }
.policy-page strong { font-weight: 700; }
.policy-page a { color: var(--clr-primary); text-decoration: underline; }
.policy-page a:hover { color: var(--clr-primary-hover); }

/* ===== 404 ===== */
.error-page {
  min-height: calc(100dvh - var(--nav-h) - 80px);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  padding: 3rem 1.5rem; text-align: center;
}
.error-page h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800; color: var(--clr-primary);
  margin-bottom: .75rem;
}
.error-page p { color: var(--clr-text-muted); margin-bottom: 2rem; font-size: 1.0625rem; }

/* ===== Reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ===== Responsive: tablet 768-1023px ===== */
@media (max-width: 1023px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 3rem 1.5rem;
    gap: 2.5rem;
  }
  .hero-content { max-width: 640px; }
  .hero-visual { justify-content: flex-start; }
  .phone-wrap { width: 200px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ===== Responsive: mobile <640px ===== */
@media (max-width: 639px) {
  :root { --nav-h: 56px; }
  .nav-inner { gap: 1rem; padding: 0 1rem; }
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .hero { padding: 2rem 1rem 2.5rem; gap: 2rem; }
  .hero-visual { display: none; }
  .hero-actions { gap: 1rem; }
  section { padding: 2.5rem 1rem; }
  .features-grid { grid-template-columns: 1fr; }
  .privacy-cards { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-links { flex-wrap: wrap; gap: 1rem; }
  .footer-copy { text-align: left; }
  .policy-page { padding: 2rem 1rem 3rem; }
}

/* ===== Responsive: small mobile 360px ===== */
@media (max-width: 400px) {
  .hero h1 { font-size: 1.75rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .btn-primary { justify-content: center; }
  .trust-badge { font-size: .75rem; }
}