/* Sistem desain Sesawi: token warna terang/gelap, tipografi, dan komponen dasar. Dipakai landing, Ladang, dan halaman lokal (Serambi, Tugas, Login).
   Acuan: skala dan pelacakan huruf gaya Apple (teks isi 17px, judul rapat dengan pelacakan negatif), netral hangat dengan satu aksen (emas biji sesawi).
   Kontras teks dicek di tests/site.test.js (WCAG AA). */
@font-face {
  font-family: "Inter Variable";
  src: url("/fonts/inter-latin-wght.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

/* Token. Blok gelap, terang, dan cadangan tanpa JS (ikut pengaturan sistem). */
:root,
:root[data-theme="dark"] {
  color-scheme: dark;
  --c-bg: #0b0a12;
  --c-surface: #15131f;
  --c-surface-2: #1d1a2b;
  --c-hover: #252238;
  --c-active: #2d2946;
  --c-border: #2a2740;
  --c-text: #f5f3fa;
  --c-text-2: #b6b1c9;
  --c-accent: #f2b84b;
  --c-on-accent: #1a1140;
  --c-link: #b3acff;
  --c-ok: #4ade80;
  --c-warn: #fbbf24;
  --c-bad: #ff7a7a;
  --c-glow-1: rgba(242, 184, 75, 0.1);
  --c-glow-2: rgba(124, 108, 255, 0.12);
  --c-shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 12px 32px rgba(0, 0, 0, 0.35);
  --c-icon: #f3e4c0;
}
:root[data-theme="light"] {
  color-scheme: light;
  --c-bg: #fbfaf7;
  --c-surface: #ffffff;
  --c-surface-2: #f3f1ec;
  --c-hover: #ebe8e1;
  --c-active: #e2ded5;
  --c-border: #e1ddd3;
  --c-text: #17142b;
  --c-text-2: #5a5572;
  --c-accent: #f2b84b;
  --c-on-accent: #1a1140;
  --c-link: #4b3bd1;
  --c-ok: #15803d;
  --c-warn: #a35a00;
  --c-bad: #c42b2b;
  --c-glow-1: rgba(242, 184, 75, 0.18);
  --c-glow-2: rgba(124, 108, 255, 0.1);
  --c-shadow: 0 1px 2px rgba(23, 20, 43, 0.06), 0 12px 32px rgba(23, 20, 43, 0.08);
  --c-icon: #2a1a5e;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    color-scheme: light;
    --c-bg: #fbfaf7;
    --c-surface: #ffffff;
    --c-surface-2: #f3f1ec;
    --c-hover: #ebe8e1;
    --c-active: #e2ded5;
    --c-border: #e1ddd3;
    --c-text: #17142b;
    --c-text-2: #5a5572;
    --c-accent: #f2b84b;
    --c-on-accent: #1a1140;
    --c-link: #4b3bd1;
    --c-ok: #15803d;
    --c-warn: #a35a00;
    --c-bad: #c42b2b;
    --c-glow-1: rgba(242, 184, 75, 0.18);
    --c-glow-2: rgba(124, 108, 255, 0.1);
    --c-shadow: 0 1px 2px rgba(23, 20, 43, 0.06), 0 12px 32px rgba(23, 20, 43, 0.08);
    --c-icon: #2a1a5e;
  }
}

/* Tipografi: SF Pro di perangkat Apple, Inter (di-host sendiri) di tempat lain. */
:root {
  --font: "Inter Variable", "Inter", system-ui, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radius: 20px;
  --radius-sm: 12px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}
/* Safari/iOS (WebKit): pakai SF Pro bawaan perangkat; peramban lain memakai Inter yang di-host sendiri. */
@supports (font: -apple-system-body) {
  :root { --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter Variable", "Inter", system-ui, sans-serif; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--c-bg);
  color: var(--c-text);
  font: 400 1.0625rem/1.47 var(--font);
  letter-spacing: -0.011em;
  font-optical-sizing: auto;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-wrap: anywhere;
}
h1, h2, h3, h4 { margin: 0; color: var(--c-text); text-wrap: balance; }
h1 { font-size: clamp(2.5rem, 1.2rem + 5.6vw, 4.5rem); line-height: 1.05; font-weight: 650; letter-spacing: -0.035em; }
h2 { font-size: clamp(1.75rem, 1.2rem + 2.2vw, 2.75rem); line-height: 1.1; font-weight: 640; letter-spacing: -0.028em; }
h3 { font-size: 1.1875rem; line-height: 1.25; font-weight: 620; letter-spacing: -0.016em; }
p { margin: 0; }
small, .small { font-size: 0.875rem; letter-spacing: -0.006em; }
.eyebrow { font-size: 0.8125rem; font-weight: 600; letter-spacing: 0.09em; text-transform: uppercase; color: var(--c-text-2); }
.lead { font-size: clamp(1.1875rem, 1.05rem + 0.7vw, 1.5rem); line-height: 1.38; letter-spacing: -0.018em; color: var(--c-text-2); max-width: 36em; }
a { color: var(--c-link); text-decoration-thickness: 0.06em; text-underline-offset: 0.18em; }
a:hover { text-decoration-thickness: 0.1em; }
:focus-visible { outline: 2px solid var(--c-link); outline-offset: 3px; border-radius: 6px; }
.num, [data-num] { font-variant-numeric: tabular-nums; }
::selection { background: color-mix(in srgb, var(--c-accent) 40%, transparent); }

/* Latar: cahaya halus dari atas */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(60rem 28rem at 50% -8rem, var(--c-glow-1), transparent 70%), radial-gradient(48rem 24rem at 85% 0, var(--c-glow-2), transparent 70%);
}

/* Tombol */
.btn, .cta {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 0 22px; border-radius: 999px; border: 1px solid transparent;
  background: var(--c-accent); color: var(--c-on-accent);
  font: 600 1rem/1 var(--font); letter-spacing: -0.012em; text-decoration: none; cursor: pointer;
}
.btn:hover, .cta:hover { filter: brightness(1.06); }
.btn.secondary { background: transparent; color: var(--c-text); border-color: var(--c-border); }
.btn.secondary:hover { background: var(--c-hover); filter: none; }
button.cta[disabled], .cta[aria-disabled="true"], .btn[disabled] { background: var(--c-surface-2); color: var(--c-text-2); border-color: var(--c-border); cursor: not-allowed; filter: none; }

/* Bar atas */
header.top {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--c-bg) 78%, transparent);
  -webkit-backdrop-filter: saturate(1.5) blur(18px); backdrop-filter: saturate(1.5) blur(18px);
  border-bottom: 1px solid var(--c-border);
}
header.top .wrap { display: flex; align-items: center; gap: 8px; min-height: 60px; }
.brand, nav a { white-space: nowrap; }
nav { min-width: 0; overflow-x: auto; scrollbar-width: none; }
.header-end { flex: none; }
@media (max-width: 560px) { .hide-sm { display: none !important; } nav { margin-left: 4px; } }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 640; font-size: 1.0625rem; letter-spacing: -0.02em; color: var(--c-text); text-decoration: none; }
.brand .mark { width: 30px; height: 30px; display: block; }
nav { display: flex; gap: 2px; margin-left: 12px; }
nav a { display: inline-flex; align-items: center; gap: 6px; padding: 7px 12px; border-radius: 999px; color: var(--c-text-2); text-decoration: none; font-size: 0.9375rem; font-weight: 500; letter-spacing: -0.01em; }
nav a:hover { color: var(--c-text); background: var(--c-hover); }
nav a[aria-current] { color: var(--c-text); background: var(--c-surface-2); }
.nav-ico { width: 20px; height: 20px; flex: none; }
.ico { display: block; flex: none; color: var(--c-icon); }
.header-end { margin-left: auto; display: flex; align-items: center; gap: 10px; }

/* Tombol tema (kanan atas) */
.theme-toggle {
  display: inline-grid; place-items: center; width: 40px; height: 40px; padding: 0;
  border-radius: 999px; border: 1px solid var(--c-border); background: var(--c-surface); color: var(--c-text); cursor: pointer;
}
.theme-toggle:hover { background: var(--c-hover); }
.theme-toggle svg { width: 20px; height: 20px; grid-area: 1 / 1; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.theme-toggle .i-sun { display: none; }
.theme-toggle .i-moon { display: block; }
:root:not([data-theme]) .theme-toggle .i-sun, :root[data-theme="dark"] .theme-toggle .i-sun { display: block; }
:root:not([data-theme]) .theme-toggle .i-moon, :root[data-theme="dark"] .theme-toggle .i-moon { display: none; }
:root[data-theme="light"] .theme-toggle .i-sun { display: none; }
:root[data-theme="light"] .theme-toggle .i-moon { display: block; }

/* Tata letak dan kartu */
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 24px; }
.wrap > section { margin-top: clamp(64px, 9vw, 112px); }
.wrap > .hero { margin-top: 0; padding: clamp(56px, 10vw, 112px) 0 0; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 22px; }
.hero .lead { margin-inline: auto; }
.hero-mark { display: block; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 8px; }
.section-head { display: grid; gap: 14px; margin-bottom: 36px; max-width: 40em; }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.card, .item, .poll { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 24px; box-shadow: var(--c-shadow); }
.card h3 { margin-bottom: 8px; }
.card p, .item p { color: var(--c-text-2); }
.seasons { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.season { display: flex; gap: 20px; align-items: center; }
.season img, .season .ico { flex: none; }
.season div { min-width: 0; }
.season p + p { margin-top: 8px; }
footer { margin: clamp(64px, 9vw, 112px) 0 40px; padding-top: 20px; border-top: 1px solid var(--c-border); color: var(--c-text-2); font-size: 0.875rem; }

@media (prefers-reduced-motion: no-preference) {
  .btn, .cta, .card, nav a, .theme-toggle { transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease), filter 0.2s var(--ease); }
  .season:hover { transform: translateY(-2px); }
  .btn:active, .cta:active { transform: scale(0.98); }
}