/* Trivapost — halaman utama trivapost.com */
:root {
  --blue: #088ccc;
  --blue-deep: #0b6a9c;
  --blue-soft: #e8f5fc;
  --green: #1fa971;
  --ink: #0f1c26;
  --ink-soft: #4a5b6b;
  --line: #dde6ed;
  --bg: #ffffff;
  --bg-alt: #f5f9fc;
  --shadow-sm: 0 1px 2px rgba(15, 28, 38, .06);
  --shadow: 0 12px 32px -12px rgba(15, 28, 38, .18);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --blue: #4fb6ea;
    --blue-deep: #8fd0f2;
    --blue-soft: #10283a;
    --green: #3ccf93;
    --ink: #e8eff5;
    --ink-soft: #9db0c0;
    --line: #24323d;
    --bg: #0d151c;
    --bg-alt: #121c25;
    --shadow-sm: none;
    --shadow: 0 12px 32px -16px rgba(0, 0, 0, .8);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.65 "Plus Jakarta Sans", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; }
a { color: var(--blue-deep); text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 6px; }

.wrap { max-width: 1080px; margin: 0 auto; padding-inline: 20px; }

/* header */
header.top {
  position: sticky; top: 0; z-index: 30; background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--line);
}
.top .wrap { display: flex; align-items: center; gap: 18px; padding-block: 12px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-weight: 700; font-size: 19px; letter-spacing: -.02em; }
.brand img { width: 32px; height: 32px; }
.brand b { color: var(--blue); }
nav.main { margin-left: auto; display: flex; align-items: center; gap: 4px; }
nav.main a { text-decoration: none; color: var(--ink-soft); font-size: 14.5px; font-weight: 600; padding: 7px 11px; border-radius: 8px; }
nav.main a:hover { color: var(--ink); background: var(--bg-alt); }
nav.main a.btn-primary, nav.main a.btn-primary:hover { color: #fff; background: var(--blue); }
nav.main a.btn-primary:hover { background: var(--blue-deep); }

.btn { display: inline-block; text-decoration: none; font-weight: 700; font-size: 15px; padding: 11px 20px; border-radius: 10px; border: 1px solid transparent; cursor: pointer; }
.btn-primary { background: var(--blue); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--blue-deep); color: #fff; }
.btn-ghost { border-color: var(--line); color: var(--ink); background: var(--bg); }
.btn-ghost:hover { border-color: var(--blue); color: var(--blue-deep); }
.btn-sm { font-size: 14px; padding: 8px 14px; }

/* hero */
.hero { padding-block: 64px 48px; }
.hero-grid { display: grid; gap: 40px; grid-template-columns: 1.15fr .85fr; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 700; color: var(--blue-deep); background: var(--blue-soft); padding: 5px 12px; border-radius: 999px; }
h1 { font-size: clamp(32px, 5vw, 50px); line-height: 1.08; letter-spacing: -.035em; margin: 18px 0 16px; text-wrap: balance; }
.lede { font-size: 18px; color: var(--ink-soft); margin: 0 0 26px; max-width: 54ch; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.hero-note { font-size: 13.5px; color: var(--ink-soft); margin-top: 14px; }

/* kartu contoh inbox */
.mock { background: var(--bg-alt); border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow); overflow: hidden; }
.mock-bar { display: flex; align-items: center; gap: 6px; padding: 12px 14px; border-bottom: 1px solid var(--line); }
.mock-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--line); }
.mock-host { margin-left: 8px; font: 600 12.5px/1 "JetBrains Mono", ui-monospace, monospace; color: var(--ink-soft); }
.mock-row { display: flex; gap: 12px; padding: 13px 16px; border-bottom: 1px solid var(--line); align-items: flex-start; }
.mock-row:last-child { border-bottom: 0; }
.avatar { width: 34px; height: 34px; border-radius: 50%; background: var(--blue-soft); color: var(--blue-deep); font-weight: 700; font-size: 14px; display: grid; place-items: center; flex: none; }
.mock-row p { margin: 0; font-size: 13.5px; }
.mock-row .from { font-weight: 700; }
.mock-row .sub { color: var(--ink-soft); }
.mock-row .time { margin-left: auto; font-size: 12px; color: var(--ink-soft); white-space: nowrap; }
.tag { display: inline-block; font-size: 11px; font-weight: 700; padding: 2px 7px; border-radius: 5px; background: var(--green); color: #fff; margin-left: 6px; }

/* sections */
section { padding-block: 56px; }
section.alt { background: var(--bg-alt); border-block: 1px solid var(--line); }
h2 { font-size: clamp(24px, 3.2vw, 34px); line-height: 1.2; letter-spacing: -.025em; margin: 0 0 12px; text-wrap: balance; }
.sub { color: var(--ink-soft); font-size: 17px; margin: 0 0 32px; max-width: 62ch; }
h3 { font-size: 18px; margin: 0 0 6px; letter-spacing: -.01em; }

.cards { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.card { background: var(--bg); border: 1px solid var(--line); border-radius: 14px; padding: 22px; box-shadow: var(--shadow-sm); }
.card p { margin: 0; color: var(--ink-soft); font-size: 15px; }
.card .ico { width: 38px; height: 38px; border-radius: 10px; background: var(--blue-soft); color: var(--blue-deep); display: grid; place-items: center; margin-bottom: 14px; }
.card .ico svg { width: 20px; height: 20px; }

/* harga */
.calc { display: grid; gap: 28px; grid-template-columns: 1.1fr .9fr; align-items: start; }
.calc-box { background: var(--bg); border: 1px solid var(--line); border-radius: 16px; padding: 24px; box-shadow: var(--shadow-sm); }
.field { margin-bottom: 22px; }
.field:last-child { margin-bottom: 0; }
.field label { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; font-weight: 700; font-size: 15px; margin-bottom: 10px; }
.field label span { font-weight: 600; color: var(--blue-deep); font-variant-numeric: tabular-nums; }
input[type=range] { width: 100%; accent-color: var(--blue); }
.hint { font-size: 13px; color: var(--ink-soft); margin: 8px 0 0; }

.total { background: var(--bg); border: 1px solid var(--line); border-radius: 16px; padding: 24px; box-shadow: var(--shadow); position: sticky; top: 92px; }
.total .line { display: flex; justify-content: space-between; gap: 12px; font-size: 14.5px; padding: 7px 0; color: var(--ink-soft); }
.total .line b { color: var(--ink); font-variant-numeric: tabular-nums; }
.total .sum { border-top: 1px solid var(--line); margin-top: 10px; padding-top: 14px; }
.total .price { font-size: 34px; font-weight: 800; letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.total .rp { color: var(--ink-soft); font-size: 14px; }
.toggle { display: inline-flex; background: var(--bg-alt); border: 1px solid var(--line); border-radius: 999px; padding: 3px; margin-bottom: 16px; }
.toggle button { border: 0; background: none; font: inherit; font-size: 13.5px; font-weight: 700; color: var(--ink-soft); padding: 6px 14px; border-radius: 999px; cursor: pointer; }
.toggle button[aria-pressed="true"] { background: var(--blue); color: #fff; }
.save { display: inline-block; font-size: 12px; font-weight: 700; color: var(--green); margin-left: 6px; }

/* daftar cek */
ul.check { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
ul.check li { position: relative; padding-left: 28px; font-size: 15px; color: var(--ink-soft); }
ul.check li::before {
  content: ""; position: absolute; left: 0; top: 6px; width: 16px; height: 16px; border-radius: 50%;
  background: var(--green);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M6.5 11.5 3 8l1.2-1.2 2.3 2.3 5.3-5.3L13 5z' fill='%23000'/%3E%3Ccircle cx='8' cy='8' r='7.2' fill='none' stroke='%23000' stroke-width='1.6'/%3E%3C/svg%3E") center/contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M6.5 11.5 3 8l1.2-1.2 2.3 2.3 5.3-5.3L13 5z' fill='%23000'/%3E%3Ccircle cx='8' cy='8' r='7.2' fill='none' stroke='%23000' stroke-width='1.6'/%3E%3C/svg%3E") center/contain no-repeat;
}

/* kode OTP */
.code { background: #0f1a24; color: #dce8f2; border-radius: 12px; overflow: hidden; }
.code .bar { display: flex; justify-content: space-between; align-items: center; padding: 8px 8px 8px 14px; border-bottom: 1px solid #1e2c38; font: 600 12px/1 "JetBrains Mono", ui-monospace, monospace; color: #8fa3b5; }
.code pre { margin: 0; padding: 16px; overflow-x: auto; font: 13px/1.6 "JetBrains Mono", ui-monospace, monospace; }
.code .c { color: #7f95a8; } .code .s { color: #9fdcaa; }

/* tabel */
.table { overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; background: var(--bg); }
table { border-collapse: collapse; width: 100%; font-size: 15px; }
th, td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--line); }
th { font-size: 12.5px; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-soft); background: var(--bg-alt); }
tr:last-child td { border-bottom: 0; }

/* faq */
details { border: 1px solid var(--line); border-radius: 12px; background: var(--bg); margin-bottom: 10px; }
details summary { cursor: pointer; padding: 15px 18px; font-weight: 700; font-size: 15.5px; }
details > div { padding: 0 18px 16px; color: var(--ink-soft); font-size: 15px; }
details[open] summary { border-bottom: 1px solid var(--line); margin-bottom: 12px; }

/* cta akhir */
.cta { background: linear-gradient(135deg, var(--blue) 0%, var(--blue-deep) 100%); color: #fff; border-radius: 20px; padding: 44px 32px; text-align: center; }
.cta h2 { color: #fff; }
.cta p { color: rgba(255, 255, 255, .88); font-size: 17px; max-width: 52ch; margin: 0 auto 24px; }
.cta .btn-ghost { background: rgba(255, 255, 255, .12); border-color: rgba(255, 255, 255, .5); color: #fff; }
.cta .btn-primary { background: #fff; color: var(--blue-deep); }

footer.site { border-top: 1px solid var(--line); padding-block: 32px 40px; color: var(--ink-soft); font-size: 14px; }
footer.site .cols { display: grid; gap: 24px; grid-template-columns: 2fr 1fr 1fr; }
footer.site a { color: var(--ink-soft); text-decoration: none; display: block; padding: 3px 0; }
footer.site a:hover { color: var(--blue-deep); }
footer.site h4 { font-size: 13px; text-transform: uppercase; letter-spacing: .06em; margin: 0 0 8px; color: var(--ink); }
footer.site .legal { margin-top: 26px; padding-top: 18px; border-top: 1px solid var(--line); font-size: 13px; }

@media (max-width: 860px) {
  .hero-grid, .calc { grid-template-columns: 1fr; }
  .total { position: static; }
  nav.main a:not(.btn) { display: none; }
  footer.site .cols { grid-template-columns: 1fr 1fr; }
  .hero { padding-block: 40px 32px; }
}