/* Brand site stylesheet. Tokens are copied from the product's own stylesheet (app/web/src/styles.css, "Oasis"
   palette, light and dark following the OS setting). Mobile first; 16 px side gutters; no horizontal scroll.
   The product name is NOT in this file: it is the --product-name property at the top of index.html. */

:root {
  color-scheme: light;
  --color-bg: #F4F6F5; --color-surface: #FFFFFF; --color-surface-2: #EEF2F0; --color-surface-pressed: #E2E9E6;
  --color-border: #D5DDDA; --color-border-strong: #7F8C87;
  --color-text: #14201C; --color-text-2: #4F5D58; --color-text-3: #65726D;
  --color-primary: #0B5B4B; --color-primary-pressed: #084638; --color-on-primary: #FFFFFF;
  --color-primary-soft: #E3F1EC; --color-on-primary-soft: #0B5B4B;
  --color-hero: #0B5B4B; --color-on-hero: #FFFFFF; --color-on-hero-2: #CFE7DF;
  --color-focus: #B4530A;
  --font-sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Noto Sans Arabic", Tahoma, sans-serif;
  --fs-display: 2.125rem; --fs-title1: 1.75rem; --fs-title2: 1.375rem; --fs-title3: 1.125rem; --fs-body: 1rem;
  --fs-callout: 0.9375rem; --fs-footnote: 0.8125rem;
  --lh-tight: 1.18; --lh-snug: 1.3; --lh-body: 1.5;
  --fw-regular: 400; --fw-medium: 500; --fw-semibold: 600; --fw-bold: 700;
  --space-3: 8px; --space-4: 12px; --space-5: 16px; --space-6: 20px; --space-7: 24px; --space-8: 32px;
  --space-9: 40px; --space-10: 48px; --space-11: 64px;
  --radius-sm: 8px; --radius-md: 12px; --radius-lg: 16px; --radius-pill: 999px;
  --elevation-1: 0 1px 2px rgba(16, 24, 22, 0.06);
  --touch-min: 2.75rem;
  --ease-standard: cubic-bezier(0.2, 0, 0, 1); --dur-fast: 120ms;
  --gutter: 16px; --measure: 64rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --color-bg: #0E1513; --color-surface: #16201D; --color-surface-2: #1E2A26; --color-surface-pressed: #26342F;
    --color-border: #2C3A35; --color-border-strong: #6E7F79;
    --color-text: #EEF3F1; --color-text-2: #B3C0BB; --color-text-3: #95A29D;
    --color-primary: #5CC4A6; --color-primary-pressed: #47AD90; --color-on-primary: #05261E;
    --color-primary-soft: #143A31; --color-on-primary-soft: #9EE3CD;
    --color-hero: #123F35; --color-on-hero: #EEF8F4; --color-on-hero-2: #A9CFC3;
    --color-focus: #F2A65A;
    --elevation-1: none;
  }
}

/* Base */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
body {
  margin: 0; min-width: 0; overflow-x: hidden;
  font-family: var(--font-sans); font-size: var(--fs-body); line-height: var(--lh-body);
  font-variant-numeric: lining-nums; color: var(--color-text); background: var(--color-bg);
}
h1, h2, h3, p { overflow-wrap: anywhere; }
h1 { font-size: var(--fs-title1); line-height: var(--lh-tight); font-weight: var(--fw-semibold); margin: 0 0 var(--space-5); }
h2 { font-size: var(--fs-title2); line-height: var(--lh-snug); font-weight: var(--fw-semibold); margin: 0 0 var(--space-3); }
h3 { font-size: var(--fs-title3); line-height: var(--lh-snug); font-weight: var(--fw-semibold); margin: 0 0 var(--space-3); }
p { margin: 0 0 var(--space-4); }
a { color: var(--color-primary); }
a:hover { color: var(--color-primary-pressed); }
:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 2px; }

/* The product name is rendered from one custom property (see the top of index.html). */
.product-name::before { content: var(--product-name); }

.skip-link { position: absolute; left: -999px; top: 0; background: var(--color-surface); color: var(--color-text); padding: var(--space-3) var(--space-5); z-index: 10; border-radius: var(--radius-sm); }
.skip-link:focus { left: var(--space-3); top: var(--space-3); }

/* Buttons: 44 px minimum height, 12 px radius, semibold, as in the product. */
.button {
  display: inline-flex; align-items: center; justify-content: center; min-height: var(--touch-min);
  padding: 0.55rem 1rem; border-radius: var(--radius-md); border: 1px solid transparent;
  font-weight: var(--fw-semibold); text-decoration: none; transition: background-color var(--dur-fast) var(--ease-standard);
}
.button:active { transform: scale(0.98); }
.button-primary { background: var(--color-primary); border-color: var(--color-primary); color: var(--color-on-primary); }
.button-primary:hover { background: var(--color-primary-pressed); border-color: var(--color-primary-pressed); color: var(--color-on-primary); }
.button-on-hero { background: var(--color-on-hero); border-color: var(--color-on-hero); color: var(--color-hero); }
.button-on-hero:hover { background: var(--color-on-hero-2); border-color: var(--color-on-hero-2); color: var(--color-hero); }
.button-ghost-on-hero { background: transparent; border-color: var(--color-on-hero); color: var(--color-on-hero); }
.button-ghost-on-hero:hover { background: rgba(255, 255, 255, 0.12); color: var(--color-on-hero); }

/* Hero band: header + hero share the primary green so the header's "Open the app" reads as the hero's call to action. */
.band { background: var(--color-hero); color: var(--color-on-hero); }
.band :focus-visible { outline-color: var(--color-on-hero); }
.header {
  max-width: var(--measure); margin: 0 auto; padding: var(--space-4) var(--gutter);
  display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-3) var(--space-5);
}
.brand { display: inline-flex; align-items: center; gap: var(--space-3); color: var(--color-on-hero); text-decoration: none; font-weight: var(--fw-bold); font-size: var(--fs-title3); min-height: var(--touch-min); margin-right: auto; }
.brand:hover { color: var(--color-on-hero); }
.brand-mark { width: 28px; height: 28px; flex: none; border-radius: 6px; box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.35); }
.nav { display: flex; flex-wrap: wrap; gap: 0 var(--space-5); order: 3; width: 100%; }
.nav a { color: var(--color-on-hero); text-decoration: none; display: inline-flex; align-items: center; min-height: var(--touch-min); font-weight: var(--fw-medium); }
.nav a:hover { color: var(--color-on-hero); text-decoration: underline; }
.header #app-link { order: 2; }
@media (min-width: 720px) {
  .nav { order: 2; width: auto; margin-right: var(--space-5); }
  .header #app-link { order: 3; }
}

.hero { max-width: var(--measure); margin: 0 auto; padding: var(--space-8) var(--gutter) var(--space-10); }
.hero h1 { max-width: 34ch; }
.hero-lead { color: var(--color-on-hero-2); font-size: var(--fs-title3); max-width: 60ch; margin-bottom: var(--space-7); }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-4); margin: 0; }
@media (min-width: 720px) {
  .hero { padding-top: var(--space-11); padding-bottom: var(--space-11); }
  .hero h1 { font-size: var(--fs-display); }
}

/* Sections */
main { max-width: var(--measure); margin: 0 auto; padding: 0 var(--gutter); }
main:focus { outline: none; }
.section { padding: var(--space-9) 0 var(--space-5); border-bottom: 1px solid var(--color-border); }
.section:last-child { border-bottom: 0; }
.section-lead { color: var(--color-text-2); max-width: 60ch; margin-bottom: var(--space-7); }
.also { color: var(--color-text-2); font-size: var(--fs-callout); max-width: 70ch; margin-top: var(--space-6); }

.cards { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--space-5); grid-template-columns: 1fr; }
@media (min-width: 560px) { .cards { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .cards { grid-template-columns: repeat(4, 1fr); } }
.card {
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  box-shadow: var(--elevation-1); padding: var(--space-6);
}
.card h3 { margin-bottom: var(--space-3); }
.card p { margin: 0; color: var(--color-text-2); font-size: var(--fs-callout); }

.columns { display: grid; gap: var(--space-6); grid-template-columns: 1fr; }
@media (min-width: 720px) { .columns { grid-template-columns: 1fr 1fr; gap: var(--space-8); } }
.column p { color: var(--color-text-2); }

.callout {
  margin: var(--space-7) 0 var(--space-5); padding: var(--space-6); border-radius: var(--radius-lg);
  background: var(--color-primary-soft); color: var(--color-on-primary-soft); border: 1px solid var(--color-border);
}
.callout h3 { color: inherit; }
.callout p { margin: 0; color: inherit; }

.pricing-card {
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  box-shadow: var(--elevation-1); padding: var(--space-7) var(--space-6); max-width: 40rem;
}
.pricing-lead { font-size: var(--fs-title2); font-weight: var(--fw-semibold); line-height: var(--lh-snug); margin-bottom: var(--space-4); }
.pricing-card p { color: var(--color-text-2); }
.pricing-card .pricing-lead { color: var(--color-text); }
.pricing-actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-4) var(--space-5); margin: var(--space-6) 0 0; }
.pricing-email { color: var(--color-text-2); overflow-wrap: anywhere; }

.footer {
  max-width: var(--measure); margin: var(--space-9) auto 0; padding: var(--space-7) var(--gutter) var(--space-9);
  border-top: 1px solid var(--color-border); color: var(--color-text-2); font-size: var(--fs-footnote);
}
.footer p { margin: 0 0 var(--space-3); }
.footer-notice { font-weight: var(--fw-medium); }