/* Layout: a storefront for AI picks. Bold wordmark masthead, one strong signal color for actions and "best for" tags,
   product slots as uniform cards in a 3-column grid that stacks on phones. */
:root {
  --paper: #F6F7FB; --card: #FFFFFF; --ink: #121528; --muted: #5A6077; --line: #DDE1EC;
  --signal: #FF5A2E; --signal-ink: #FFFFFF; --signal-soft: #FFE6DD; --cool: #1E3A8A; --cool-soft: #E3E9FB;
  --warn-bg: #FFF4D6; --warn-ink: #7A5200;
  --font-display: "Unbounded", "Arial Black", system-ui, sans-serif;
  --font-body: "Manrope", "Helvetica Neue", Arial, system-ui, sans-serif;
  --r: 16px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0D0F1C; --card: #161A2D; --ink: #EDEFF8; --muted: #A2A8C2; --line: #2A3050;
    --signal: #FF7A52; --signal-ink: #1A0A04; --signal-soft: #3A1A10; --cool: #9DB4FF; --cool-soft: #1C2550;
    --warn-bg: #3A2F12; --warn-ink: #F2CF7A;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--paper); color: var(--ink); font-family: var(--font-body); font-size: 17px; line-height: 1.6; }
a { color: var(--cool); }
img { max-width: 100%; }
.bar { max-width: 1120px; margin: 0 auto; padding-left: max(18px, env(safe-area-inset-left, 0px)); padding-right: max(18px, env(safe-area-inset-right, 0px)); }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 12px; top: 12px; background: var(--card); padding: 8px 12px; z-index: 10; }
:focus-visible { outline: 3px solid var(--signal); outline-offset: 2px; }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.12; text-wrap: balance; margin: 0; }
h1 { font-size: clamp(2rem, 5vw, 3.4rem); font-weight: 800; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); font-weight: 800; }
h3 { font-size: 1.1rem; font-weight: 600; }
p { margin: 0; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.eyebrow { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.12em; font-weight: 700; color: var(--signal); }

/* masthead */
.masthead { background: var(--ink); padding-block: 14px; }
.masthead .bar { display: flex; flex-wrap: wrap; gap: 10px 24px; align-items: center; justify-content: space-between; }
.logo { font-family: var(--font-display); font-weight: 800; font-size: 1.35rem; color: var(--paper); text-decoration: none; letter-spacing: -0.02em; }
.logo span { color: var(--signal); }
.foot .logo { color: var(--ink); }
.logo { display: inline-flex; align-items: baseline; }
.logo-i { height: .95em; width: auto; margin: 0 .06em; position: relative; top: .1em; }
.masthead nav { display: flex; flex-wrap: wrap; gap: 4px; }
.masthead nav a { color: var(--paper); opacity: 0.8; text-decoration: none; font-weight: 700; padding: 8px 12px; border-radius: 99px; }
.masthead nav a:hover, .masthead nav a[aria-current="page"] { opacity: 1; background: color-mix(in srgb, var(--paper) 14%, transparent); }
@media (prefers-color-scheme: dark) { .masthead { background: #05060E; } .masthead nav a, .logo { color: var(--ink); } .foot .logo { color: var(--ink); } }
.disclosure-strip { background: var(--warn-bg); color: var(--warn-ink); font-size: 0.85rem; padding-block: 8px; }
.disclosure-strip a { color: inherit; font-weight: 700; }

/* sections */
main { display: block; }
.section { padding-block: 48px; }
.hero { padding-block: 56px 40px; display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 32px; align-items: end; }
@media (max-width: 820px) { .hero { grid-template-columns: minmax(0, 1fr); padding-block: 36px 24px; } }
.hero p.lead { font-size: 1.2rem; color: var(--muted); margin-top: 16px; max-width: 46ch; }
.cats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.cats.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 820px) { .cats, .cats.two { grid-template-columns: minmax(0, 1fr); } }
.cat { display: flex; flex-direction: column; gap: 6px; background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 20px; text-decoration: none; color: var(--ink); transition: transform 0.15s ease, border-color 0.15s ease; }
.cat:hover { transform: translateY(-2px); border-color: var(--signal); }
.cat .arrow { font-weight: 700; color: var(--signal); margin-top: 6px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font: inherit; font-weight: 700; padding: 12px 20px; min-height: 48px; border-radius: 99px; text-decoration: none; border: 2px solid var(--ink); color: var(--ink); background: transparent; }
.btn.primary { background: var(--signal); border-color: var(--signal); color: var(--signal-ink); }
.row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

/* product slots */
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
@media (max-width: 960px) { .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 620px) { .grid { grid-template-columns: minmax(0, 1fr); } }
.slot { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 20px; display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.slot .tag { align-self: flex-start; font-size: 0.75rem; font-weight: 700; padding: 3px 10px; border-radius: 99px; background: var(--signal-soft); color: var(--signal); }
.slot .ph { align-self: flex-start; font-size: 0.72rem; font-weight: 700; padding: 3px 10px; border-radius: 99px; background: var(--warn-bg); color: var(--warn-ink); }
.slot ul { margin: 0; padding-left: 20px; font-size: 0.92rem; display: flex; flex-direction: column; gap: 4px; }
.slot .cta { margin-top: auto; }
.slot .cta span { display: inline-block; padding: 10px 16px; border-radius: 99px; border: 2px dashed var(--line); color: var(--muted); font-weight: 700; font-size: 0.9rem; }

/* guides and prose */
.prose { max-width: 70ch; display: flex; flex-direction: column; gap: 16px; }
.prose h2 { margin-top: 18px; }
.prose ul, .prose ol { margin: 0; padding-left: 22px; display: flex; flex-direction: column; gap: 6px; }
.prose table { border-collapse: collapse; width: 100%; font-size: 0.95rem; }
.prose th, .prose td { border-bottom: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
.tablewrap { overflow-x: auto; }
.callout { background: var(--cool-soft); border-radius: 12px; padding: 14px 16px; }
.guide-list { display: flex; flex-direction: column; gap: 12px; }
.guide-card { display: block; background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 18px 20px; text-decoration: none; color: var(--ink); }
.guide-card:hover { border-color: var(--signal); }
.signup { background: var(--ink); color: var(--paper); border-radius: 22px; padding: 28px; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 16px; align-items: center; }
.signup p { color: color-mix(in srgb, var(--paper) 75%, transparent); }
@media (max-width: 700px) { .signup { grid-template-columns: minmax(0, 1fr); } }
@media (prefers-color-scheme: dark) { .signup { background: var(--card); color: var(--ink); } .signup p { color: var(--muted); } }

/* footer */
.foot { border-top: 1px solid var(--line); padding-block: 32px 40px; margin-top: 32px; }
.foot-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) auto minmax(0, 1.5fr); gap: 20px 40px; align-items: start; }
@media (max-width: 820px) { .foot-grid { grid-template-columns: minmax(0, 1fr); } }
.foot nav { display: flex; flex-direction: column; gap: 6px; }
@media (prefers-reduced-motion: reduce) { .cat { transition: none; } }