/* kaalakkanitham.com - the app's emerald greens; phones first; light and dark */
@font-face {
  font-family: "Noto Sans Tamil";
  src: url("/fonts/NotoSansTamil-Regular.ttf") format("truetype");
  font-display: swap;
  unicode-range: U+0B80-0BFF, U+200C-200D, U+25CC;
}

:root {
  --green: #2E7D32;
  --green-dark: #1B5E20;
  --green-soft: #E8F5E9;
  --green-line: #C8E6C9;
  --gold: #B8860B;
  --text: #1b1b1b;
  --muted: #555555;
  --line: #dcdcdc;
  --card: #ffffff;
  --bg: #ffffff;
  --band: #F4F9F4;
}
@media (prefers-color-scheme: dark) {
  :root {
    --green: #81C784;
    --green-dark: #A5D6A7;
    --green-soft: #1E2A1E;
    --green-line: #2E4A2E;
    --gold: #E0B84C;
    --text: #e8e8e8;
    --muted: #b0b0b0;
    --line: #3a3a3a;
    --card: #181c18;
    --bg: #121212;
    --band: #161d16;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans Tamil", sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
}
:lang(ta) body, body:lang(ta) { line-height: 1.8; }
img { max-width: 100%; height: auto; }
a { color: var(--green); }
a:focus-visible, .button:focus-visible { outline: 3px solid var(--gold); outline-offset: 2px; }

.skip { position: absolute; left: -999px; top: 0; background: var(--green); color: #fff; padding: 8px 12px; z-index: 10; }
.skip:focus { left: 8px; }

.wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 760px; }

/* Header */
.site-header { border-bottom: 1px solid var(--line); background: var(--bg); }
.site-header .wrap { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 20px; padding-top: 10px; padding-bottom: 10px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--green-dark); font-weight: 700; font-size: 1.2rem; }
.brand img { width: 40px; height: 40px; border-radius: 50%; }
.site-nav { display: flex; flex-wrap: wrap; gap: 4px 16px; flex: 1 1 auto; }
.site-nav a { text-decoration: none; color: var(--text); padding: 4px 0; border-bottom: 2px solid transparent; }
.site-nav a[aria-current="page"] { color: var(--green); border-bottom-color: var(--green); font-weight: 600; }
.lang-switch { font-weight: 600; text-decoration: none; border: 1px solid var(--green); border-radius: 999px; padding: 3px 14px; white-space: nowrap; }

/* Sections */
main { display: block; }
.hero { background: linear-gradient(160deg, var(--green-soft), var(--bg) 70%); padding: 48px 0 40px; }
.hero h1 { font-size: clamp(1.7rem, 4.5vw, 2.6rem); line-height: 1.25; color: var(--green-dark); margin: 0 0 12px; }
.hero .lead { font-size: 1.15rem; max-width: 640px; color: var(--text); margin: 0 0 24px; }
.hero-row { display: flex; flex-wrap: wrap; align-items: center; gap: 24px; }
.hero-text { flex: 1 1 360px; }
.hero-icon { flex: 0 0 auto; }
.hero-icon img { width: 148px; height: 148px; border-radius: 50%; box-shadow: 0 8px 24px rgba(27, 94, 32, 0.25); }

.page-head { padding: 36px 0 8px; }
.page-head h1 { color: var(--green-dark); font-size: clamp(1.5rem, 3.5vw, 2rem); margin: 0; }

section.block { padding: 32px 0; }
section.band { background: var(--band); }
h2 { color: var(--green); font-size: 1.35rem; margin: 0 0 16px; }

.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.card { background: var(--card); border: 1px solid var(--green-line); border-radius: 12px; padding: 18px 18px 14px; }
.card h3 { margin: 0 0 6px; font-size: 1.08rem; color: var(--green-dark); }
.card p { margin: 0; color: var(--muted); }

.feature-group { margin-bottom: 28px; }
.feature-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.feature-list li { border-left: 4px solid var(--green); padding: 4px 0 4px 14px; }
.feature-list strong { display: block; color: var(--green-dark); }

.actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.button { display: inline-block; text-decoration: none; background: var(--green); color: #fff; font-weight: 600;
          padding: 12px 22px; border-radius: 10px; }
.button.secondary { background: transparent; color: var(--green); border: 1px solid var(--green); }
@media (prefers-color-scheme: dark) { .button { color: #102010; } .button.secondary { color: var(--green); } }
.play-soon { display: inline-flex; flex-direction: column; border: 1px dashed var(--green); border-radius: 10px; padding: 8px 18px; }
.play-soon strong { color: var(--green-dark); }
.play-soon span { color: var(--muted); font-size: 0.9rem; }

.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 0.98rem; background: var(--card); }
th, td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
th { background: var(--green-soft); }
td.num { white-space: nowrap; }

.faq details { border: 1px solid var(--green-line); border-radius: 10px; padding: 12px 16px; margin-bottom: 10px; background: var(--card); }
.faq summary { cursor: pointer; font-weight: 600; color: var(--green-dark); }
.faq details p { margin: 10px 0 2px; }

.note { background: var(--green-soft); border-left: 4px solid var(--green); padding: 12px 16px; border-radius: 6px; }
.muted { color: var(--muted); }

/* The legal texts copied from the server's master files */
.legal h1 { color: var(--green-dark); font-size: 1.6rem; margin-bottom: 4px; }
.legal h2 { border-bottom: 1px solid var(--line); padding-bottom: 4px; margin-top: 2em; font-size: 1.2rem; }
.legal h3 { font-size: 1.02rem; margin-bottom: 4px; }
.legal .updated { color: var(--muted); margin-top: 0; }
.legal .summary, .legal .box { background: var(--green-soft); border-left: 4px solid var(--green); padding: 12px 16px; border-radius: 4px; }
.legal .summary ul { margin: 6px 0; padding-left: 20px; }
.legal .wrap { overflow-x: auto; max-width: none; padding: 0; }

/* Screenshots from the app */
.screens { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); align-items: start; }
.screens figure { margin: 0; background: var(--card); border: 1px solid var(--green-line); border-radius: 16px; padding: 8px; }
.screens img { display: block; width: 100%; border-radius: 10px; }
.screens figcaption { text-align: center; color: var(--green-dark); font-weight: 600; padding: 8px 4px 2px; }
@media (max-width: 640px) {
  .screens { grid-auto-flow: column; grid-auto-columns: 72%; grid-template-columns: none; overflow-x: auto;
             scroll-snap-type: x mandatory; padding-bottom: 6px; }
  .screens figure { scroll-snap-align: start; }
}

/* Footer */
.site-footer { border-top: 1px solid var(--line); margin-top: 32px; padding: 24px 0 32px; color: var(--muted); font-size: 0.95rem; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-bottom: 10px; }
.site-footer a { color: var(--muted); }

/* Phones: brand and language switch on one row, the menu on one scrolling row; tables stack as cards */
@media (max-width: 640px) {
  .site-header .wrap { gap: 6px 12px; }
  .brand { order: 1; flex: 1 1 auto; font-size: 1.08rem; }
  .brand img { width: 34px; height: 34px; }
  .lang-switch { order: 2; }
  .site-nav { order: 3; flex: 1 1 100%; flex-wrap: nowrap; overflow-x: auto; gap: 18px; padding-bottom: 2px;
              font-size: 0.98rem; scrollbar-width: none; }
  .site-nav a { white-space: nowrap; }
  .hero { padding: 28px 0 28px; }
  .hero-icon { display: none; }
  table.stack thead { position: absolute; left: -9999px; }
  table.stack, table.stack tbody, table.stack tr, table.stack th, table.stack td { display: block; width: 100%; }
  table.stack tr { border: 1px solid var(--green-line); border-radius: 10px; margin-bottom: 12px; overflow: hidden; }
  table.stack th[scope="row"] { background: var(--green-soft); border: 0; }
  table.stack td { border: 0; border-top: 1px solid var(--line); }
  table.stack td::before { content: attr(data-label); display: block; font-weight: 600; color: var(--green-dark); font-size: 0.9rem; }
}