/* ═══════════════════════════════════════════════════════
   styles.css — When did I…?
   Dark-first. Light mode via prefers-color-scheme.
   ═══════════════════════════════════════════════════════ */

/* ─── Design tokens ─────────────────────────────────── */
:root {
  /* Tells browser chrome (scrollbars, form controls) to use dark mode */
  color-scheme: dark light;

  /* — Surfaces — */
  --bg:                 #07090e;
  --bg-elevated:        rgba(255, 255, 255, 0.055);
  --bg-elevated-strong: rgba(255, 255, 255, 0.085);
  --bg-soft:            rgba(255, 255, 255, 0.03);

  /* — Borders — */
  --stroke:        rgba(255, 255, 255, 0.08);
  --stroke-strong: rgba(255, 255, 255, 0.13);

  /* — Text — */
  --text:       #f4f1eb;
  --text-soft:  rgba(244, 241, 235, 0.68);
  --text-muted: rgba(244, 241, 235, 0.44);

  /* — Accent: warm gold — */
  --accent:      #c8a86c;
  --accent-soft: rgba(200, 168, 108, 0.14);
  --accent-glow: rgba(200, 168, 108, 0.07);

  /* — Status palette — */
  --fresh:   #7aaa8a;
  --soon:    #c8a86c;
  --due:     #be8550;
  --overdue: #a87070;

  /* — Shadows: 3-tier elevation system — */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.22), 0 3px 8px rgba(0,0,0,0.16);
  --shadow:    0 4px 18px rgba(0,0,0,0.36), 0 1px 4px rgba(0,0,0,0.20);
  --shadow-lg: 0 20px 64px rgba(0,0,0,0.54), 0 8px 22px rgba(0,0,0,0.30);

  /* — Layout — */
  --max:       1160px;
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;

  /* — Spacing: 4pt grid — */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* — Typography — */
  --display: ui-serif, Georgia, Cambria, "Times New Roman", Times, serif;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Helvetica, Arial, sans-serif;

  /* — Animation — */
  --ease-out:   cubic-bezier(0.16, 1, 0.3, 1);
  --ease-inout: cubic-bezier(0.4, 0, 0.2, 1);
  --t-fast: 160ms;
  --t:      220ms;
  --t-slow: 420ms;
}

/* ─── Light mode overrides ───────────────────────────── */
@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light dark;

    --bg:                 #f4f0e9;
    --bg-elevated:        rgba(255, 255, 255, 0.80);
    --bg-elevated-strong: rgba(255, 255, 255, 0.96);
    --bg-soft:            rgba(255, 255, 255, 0.52);

    --stroke:        rgba(36, 28, 18, 0.09);
    --stroke-strong: rgba(36, 28, 18, 0.15);

    --text:       #16120e;
    --text-soft:  rgba(22, 18, 14, 0.68);
    --text-muted: rgba(22, 18, 14, 0.44);

    --accent:      #8a6038;
    --accent-soft: rgba(138, 96, 56, 0.12);
    --accent-glow: rgba(138, 96, 56, 0.05);

    --fresh:   #4a7a5a;
    --soon:    #8a6038;
    --due:     #7a4e2e;
    --overdue: #885050;

    --shadow-sm: 0 1px 2px rgba(60,40,15,0.08), 0 3px 8px rgba(60,40,15,0.05);
    --shadow:    0 4px 18px rgba(60,40,15,0.11), 0 1px 4px rgba(60,40,15,0.07);
    --shadow-lg: 0 20px 64px rgba(60,40,15,0.15), 0 8px 22px rgba(60,40,15,0.09);
  }
}

/* ─── Reset ──────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  /* Prevent font inflation on orientation change in mobile browsers */
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  /* dvh = dynamic viewport height: accounts for mobile browser chrome appearing/hiding */
  min-height: 100dvh;
  background:
    radial-gradient(ellipse 70% 50% at 18% -8%, rgba(96, 82, 62, 0.20), transparent),
    radial-gradient(ellipse 55% 45% at 82% -4%, rgba(54, 74, 108, 0.16), transparent),
    var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.55;
  /* Sub-pixel antialiasing — makes thin letterforms crisper on high-DPI displays */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* Smooth fade when OS toggles light/dark — only fires on actual change, not initial load */
  transition:
    background var(--t-slow) var(--ease-inout),
    color var(--t-slow) var(--ease-inout);
}

/* Text highlight uses accent tint for brand consistency */
::selection {
  background: var(--accent-soft);
  color: var(--text);
}

/* Focus ring only on keyboard navigation — matches macOS/iOS system blue */
:focus-visible {
  outline: 2px solid rgba(10, 132, 255, 0.8);
  outline-offset: 3px;
  border-radius: 4px;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

p, li {
  color: var(--text-soft);
}

strong {
  color: var(--text);
}

/* ─── Layout ─────────────────────────────────────────── */
.container {
  width: min(calc(100% - 2rem), var(--max));
  margin: 0 auto;
}

/* Keyboard skip link — visually hidden until focused */
.skip-link {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: #17120c;
  font-weight: 600;
  font-size: 0.9rem;
  z-index: 100;
  transform: translateY(-200%);
  transition: transform var(--t-fast);
}

.skip-link:focus {
  transform: translateY(0);
}

/* ─── Site header ────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  /* saturate() adds vibrancy — makes underlying content bleed through with more color */
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  background: color-mix(in srgb, var(--bg) 70%, transparent);
  border-bottom: 1px solid var(--stroke);
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding: var(--space-4) 0;
}

/* ─── Brand mark ─────────────────────────────────────── */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  transition: opacity var(--t-fast);
}

.brand:hover {
  opacity: 0.8;
}

.brand-mark {
  flex-shrink: 0;
  width: 1.8rem;
  height: 1.8rem;
  border-radius: 999px;
  border: 1.5px solid color-mix(in srgb, var(--accent) 68%, white 18%);
  position: relative;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.16),
    0 0 0 5px var(--accent-glow);
}

.brand-mark::after {
  content: "";
  position: absolute;
  width: 0.35rem;
  height: 0.35rem;
  border-radius: 50%;
  background: var(--accent);
  right: -0.08rem;
  top: 0.58rem;
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.brand-label {
  font-size: 1rem;
}

/* ─── Navigation ─────────────────────────────────────── */
.nav-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.2rem;
}

.nav-links a {
  padding: 0.6rem 0.85rem;
  border-radius: 999px;
  color: var(--text-soft);
  font-size: 0.95rem;
  transition:
    background var(--t-fast) var(--ease-inout),
    color var(--t-fast) var(--ease-inout),
    transform var(--t-fast) var(--ease-inout);
}

.nav-links a:hover,
.nav-links a:focus-visible {
  background: var(--bg-soft);
  color: var(--text);
  transform: translateY(-1px);
}

/* Active page — set by JS via aria-current="page", used by screen readers too */
.nav-links a[aria-current="page"] {
  color: var(--text);
  background: var(--bg-elevated);
}

/* ─── Typography ─────────────────────────────────────── */
h1, h2, h3 {
  margin: 0;
  line-height: 1.04;
  color: var(--text);
}

h1 {
  margin-top: var(--space-5);
  font-family: var(--display);
  font-size: clamp(2.8rem, 7.5vw, 5.4rem);
  font-weight: 600;
  letter-spacing: -0.04em;
}

h2 {
  font-family: var(--display);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 600;
  letter-spacing: -0.03em;
}

/* Sans-serif h3 — intentionally one step lighter than display headings */
h3 {
  font-size: 1.12rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

/* ─── Page wrapper ───────────────────────────────────── */
.page {
  padding: var(--space-16) 0 var(--space-24);
}

/* ─── Hero ───────────────────────────────────────────── */
.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-16);
  align-items: center;
  padding: var(--space-20) 0 var(--space-16);
}

.hero-copy {
  max-width: 38rem;
}

.hero-copy > p {
  margin: var(--space-5) 0 0;
  font-size: 1.12rem;
  line-height: 1.6;
  max-width: 34rem;
}

/* Eyebrow — uppercase category label above main headline */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  background: var(--bg-soft);
  border: 1px solid var(--stroke);
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  flex-shrink: 0;
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0.2rem var(--accent-soft);
}

/* ─── Hero actions ───────────────────────────────────── */
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-8);
}

/* ─── Buttons ────────────────────────────────────────── */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 3rem;
  padding: 0 1.2rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  transition:
    transform var(--t-fast) var(--ease-out),
    background var(--t-fast) var(--ease-inout),
    border-color var(--t-fast) var(--ease-inout),
    box-shadow var(--t-fast) var(--ease-inout),
    opacity var(--t-fast);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

/* Quick snap back on press for a tactile feel */
.button:active {
  transform: translateY(0);
  transition-duration: 80ms;
}

.button-primary {
  background: linear-gradient(
    170deg,
    color-mix(in srgb, var(--accent) 55%, white 15%),
    var(--accent)
  );
  color: #17120c;
  box-shadow: 0 6px 22px rgba(0,0,0,0.22), 0 2px 6px rgba(0,0,0,0.14);
}

.button-primary:hover {
  box-shadow: 0 10px 32px rgba(0,0,0,0.28), 0 4px 10px rgba(0,0,0,0.18);
}

.button-secondary {
  background: var(--bg-elevated);
  border-color: var(--stroke-strong);
  color: var(--text);
  box-shadow: var(--shadow-sm);
}

.button-secondary:hover {
  background: var(--bg-elevated-strong);
}

/* Disabled state — used when App Store link is not yet live */
.button[aria-disabled="true"] {
  opacity: 0.48;
  cursor: not-allowed;
  transform: none;
}

/* ─── App Store badge ────────────────────────────────── */
.btn-appstore {
  display: inline-block;
  transition:
    opacity var(--t-fast),
    transform var(--t-fast) var(--ease-out);
}

.btn-appstore img {
  display: block;
  height: 44px;
  width: auto;
}

.btn-appstore:hover {
  opacity: 0.82;
  transform: translateY(-1px);
}

.btn-appstore:active {
  opacity: 1;
  transform: translateY(0);
  transition-duration: 80ms;
}

/* Disabled until SITE.appStoreUrl is set — handled by site.js */
.btn-appstore[aria-disabled="true"] {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

/* ─── Meta chips ─────────────────────────────────────── */
.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-8);
}

.meta-chip {
  padding: 0.55rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--stroke);
  background: var(--bg-soft);
  color: var(--text-muted);
  font-size: 0.88rem;
}

/* ─── Phone frame ────────────────────────────────────── */
.phone-image {
  position: relative;
  width: min(100%, 340px);
  margin-inline: auto;
}

/* Cast shadow under the device — suggests it's floating above the surface */
.phone-image::after {
  content: "";
  position: absolute;
  bottom: -18px;
  left: 14%;
  right: 14%;
  height: 48px;
  background: radial-gradient(ellipse, rgba(0,0,0,0.36) 0%, transparent 70%);
  filter: blur(18px);
  z-index: -1;
  pointer-events: none;
}

/* Removed the fake phone bezel — image is styled directly */
.phone-shot {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 28px;
  box-shadow: var(--shadow-lg);
}

/* ─── Content sections ───────────────────────────────── */
.section {
  padding: var(--space-20) 0;
}

.section-header {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  max-width: 48rem;
  margin-bottom: var(--space-12);
}

/* Section kicker — small uppercase label above h2 */
.section-kicker {
  color: var(--text-muted);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.76rem;
  font-weight: 500;
}

/* ─── Grid system ────────────────────────────────────── */
.grid-3,
.grid-2,
.grid-feature,
.grid-faq,
.grid-footer {
  display: grid;
  gap: 1rem;
}

.grid-3       { grid-template-columns: repeat(3, 1fr); }
.grid-2       { grid-template-columns: repeat(2, 1fr); }
.grid-feature { grid-template-columns: 1.1fr 0.9fr; }
.grid-faq     { grid-template-columns: repeat(2, 1fr); }
.grid-footer  { grid-template-columns: 1.3fr 0.7fr 0.7fr; }

/* ─── Cards & panels ─────────────────────────────────── */
.card,
.panel,
.faq-item,
.policy-card,
.contact-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--stroke);
  /* Gradient gives a subtle top-lit glass appearance */
  background: linear-gradient(
    160deg,
    var(--bg-elevated-strong) 0%,
    var(--bg-elevated) 100%
  );
  /* sm shadow + inner top highlight for physical depth */
  box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255,255,255,0.07);
}

.card,
.panel,
.faq-item,
.contact-card {
  padding: 1.5rem;
}

.card p,
.panel p,
.faq-item p,
.contact-card p,
.policy-card p {
  margin: 0.6rem 0 0;
}

/* Numbered/lettered icon badge on feature cards */
.card-icon {
  width: 2.5rem;
  height: 2.5rem;
  display: inline-grid;
  place-items: center;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid rgba(255,255,255,0.06);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: var(--space-4);
}

/* ─── Feature compare ────────────────────────────────── */
.compare {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.compare-column {
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--stroke);
  background: var(--bg-soft);
}

.compare-column ul,
.policy-card ul,
.footer-list,
.contact-list {
  margin: var(--space-4) 0 0;
  padding-left: 1.1rem;
}

.compare-column li,
.policy-card li,
.contact-list li {
  margin: 0.55rem 0;
}

/* ─── Callout ────────────────────────────────────────── */
/* Left accent stripe signals informational content without alarming */
.callout {
  margin-top: var(--space-5);
  padding: var(--space-4) 1.1rem;
  border-radius: var(--radius-md);
  background: var(--bg-soft);
  border: 1px solid var(--stroke);
  border-left: 2px solid color-mix(in srgb, var(--accent-soft) 100%, transparent);
  color: var(--text-soft);
}

/* ─── Pricing ────────────────────────────────────────── */
.pricing {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: center;
  margin-top: var(--space-5);
  padding: 1.25rem;
  border-radius: var(--radius-md);
  background: var(--bg-soft);
  border: 1px solid var(--stroke);
}

.price-stack {
  display: grid;
  gap: 0.2rem;
}

.price-value {
  font-size: 1.9rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--text);
}

.badge {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 0.4rem 0.65rem;
  border-radius: 999px;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  background: var(--bg-soft);
  border: 1px solid var(--stroke);
}

/* ─── Support page ───────────────────────────────────── */
.support-grid {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: 1rem;
}

.contact-card strong {
  display: block;
  margin-top: var(--space-2);
}

.faq-item strong {
  display: block;
  margin-top: var(--space-2);
}

/* ─── Policy pages ───────────────────────────────────── */
.policy-shell {
  display: grid;
  gap: 1rem;
  max-width: 52rem;
}

.policy-card {
  padding: 1.75rem;
}

/* Policy section heading — sans-serif, slightly smaller, with separator */
.policy-card h2 {
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  font-family: var(--sans);
  font-weight: 650;
  letter-spacing: -0.03em;
  line-height: 1.2;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--stroke);
  margin-bottom: 0.25rem;
}

.policy-card h3 {
  margin-top: var(--space-5);
}

/* ─── Inner page hero ────────────────────────────────── */
.page-hero {
  padding: var(--space-16) 0 var(--space-8);
  max-width: 48rem;
}

.page-hero h1 {
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
}

.page-hero p {
  margin-top: var(--space-4);
  font-size: 1.08rem;
}

/* ─── Footer ─────────────────────────────────────────── */
footer {
  padding: 0 0 var(--space-16);
}

.footer-shell {
  padding: var(--space-8) 0 0;
  border-top: 1px solid var(--stroke);
}

.footer-title {
  font-family: var(--display);
  font-size: 1.45rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--text);
}

.footer-list {
  list-style: none;
  padding: 0;
  margin: var(--space-4) 0 0;
}

.footer-list li {
  margin: 0.65rem 0;
}

.footer-list a {
  color: var(--text-soft);
  transition: color var(--t-fast);
}

.footer-list a:hover,
.footer-list a:focus-visible {
  color: var(--text);
}

/* Inline body link — underlined for prose readability */
.inline-link {
  color: var(--text-soft);
  text-decoration: underline;
  text-decoration-color: var(--stroke-strong);
  text-underline-offset: 2px;
  transition:
    color var(--t-fast),
    text-decoration-color var(--t-fast);
}

.inline-link:hover,
.inline-link:focus-visible {
  color: var(--text);
  text-decoration-color: var(--text-soft);
}

.footnote {
  margin-top: var(--space-8);
  color: var(--text-muted);
  font-size: 0.88rem;
}

/* ─── Utilities ──────────────────────────────────────── */
.small {
  font-size: 0.9rem;
}

/* ─── Scroll reveal ──────────────────────────────────── */
/* Driven by IntersectionObserver in site.js. The .is-visible class is added
   when the element scrolls into view. Gracefully degrades if JS is off —
   reduced-motion media query also skips all transitions below. */

[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity var(--t-slow) var(--ease-out),
    transform var(--t-slow) var(--ease-out);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Children within a stagger container animate in sequence */
[data-reveal-stagger] > * {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity var(--t-slow) var(--ease-out),
    transform var(--t-slow) var(--ease-out);
}

[data-reveal-stagger].is-visible > * {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal-stagger].is-visible > *:nth-child(1) { transition-delay:   0ms; }
[data-reveal-stagger].is-visible > *:nth-child(2) { transition-delay:  90ms; }
[data-reveal-stagger].is-visible > *:nth-child(3) { transition-delay: 180ms; }
[data-reveal-stagger].is-visible > *:nth-child(4) { transition-delay: 270ms; }

/* ─── Responsive: tablet ─────────────────────────────── */
@media (max-width: 980px) {
  .hero,
  .grid-feature,
  .support-grid,
  .grid-footer,
  .grid-3,
  .grid-2,
  .grid-faq,
  .compare {
    grid-template-columns: 1fr;
  }

  /* Constrain phone to a sensible width when stacked below copy */
  .phone-image {
    max-width: 320px;
    margin: 0 auto;
  }

  .site-header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }
}

/* ─── Responsive: mobile ─────────────────────────────── */
@media (max-width: 640px) {
  .container {
    width: min(calc(100% - 1.5rem), var(--max));
  }

  .page {
    padding: var(--space-12) 0 var(--space-20);
  }

  .section {
    padding: var(--space-12) 0;
  }

  .hero {
    padding: var(--space-12) 0 var(--space-10);
  }

  .phone-image {
    width: min(100%, 280px);
  }

  .phone-shot {
    border-radius: 22px;
  }

  /* Full-width touch targets on mobile */
  .hero-actions,
  .meta-row,
  .nav-links {
    width: 100%;
  }

  .button {
    width: 100%;
    justify-content: center;
  }
}

/* ─── Reduced motion ─────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  /* Kill all transitions and animations */
  *, *::before, *::after {
    transition: none !important;
    animation: none !important;
  }

  /* Show all reveal elements immediately — they would otherwise stay invisible */
  [data-reveal],
  [data-reveal-stagger] > * {
    opacity: 1 !important;
    transform: none !important;
  }
}