/* ManaV デモ 共通スタイル
   ------------------------------------------------------------------
   「ManaV（マナヴィー）」VTuber日本語レッスンプラットフォーム
   決済まわり（Stripe Connect マーケットプレイス決済）の実装イメージ用デモ
   ---------------------------------------------------------------- */

:root {
  --brand: #6C4AB6;
  --brand-dark: #4E2E96;
  --brand-soft: #F0EAFB;
  --mint: #22B79A;
  --mint-soft: #E1F6F1;
  --pink: #FF6FA5;
  --pink-soft: #FFE7F0;
  --amber: #F5A524;
  --ink: #211C33;
  --muted: #6B6880;
  --line: #E9E4F5;
  --bg: #FAF8FF;
  --card: #FFFFFF;
  --ok: #1F9D68;
  --warn: #C9781A;
  --bad: #D64550;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 10px 34px rgba(76, 46, 150, .10);
  --shadow-sm: 0 4px 16px rgba(76, 46, 150, .08);
  --maxw: 1120px;
  --font: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, system-ui, sans-serif;
  --display: "Zen Maru Gothic", "Noto Sans JP", var(--font);
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--brand-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { font-family: var(--display); line-height: 1.35; margin: 0 0 .6em; letter-spacing: .01em; }
h1 { font-size: clamp(1.9rem, 4.4vw, 2.9rem); }
h2 { font-size: clamp(1.5rem, 3.2vw, 2.05rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 820px; }

section { padding: 64px 0; }
section.tight { padding: 40px 0; }

.eyebrow {
  display: inline-block;
  font-family: var(--display);
  font-weight: 700;
  font-size: .82rem;
  letter-spacing: .12em;
  color: var(--brand);
  background: var(--brand-soft);
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.lead { font-size: 1.08rem; color: var(--muted); }

/* ---------- demo ribbon ---------- */
.demo-ribbon {
  background: linear-gradient(90deg, var(--brand-dark), var(--brand));
  color: #fff;
  font-size: .82rem;
  text-align: center;
  padding: 7px 16px;
  letter-spacing: .02em;
}
.demo-ribbon strong { font-weight: 700; }

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 12px 20px;
  max-width: var(--maxw);
  margin: 0 auto;
}
.site-header .brand { display: flex; align-items: center; flex-shrink: 0; }
.site-nav { display: flex; gap: 20px; margin-left: auto; }
.site-nav a {
  color: var(--ink);
  font-size: .92rem;
  font-weight: 500;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
}
.site-nav a:hover { color: var(--brand); text-decoration: none; border-color: var(--brand); }
.site-nav a.active { color: var(--brand); border-color: var(--brand); }
.nav-toggle { display: none; background: none; border: 0; font-size: 1.5rem; color: var(--brand-dark); cursor: pointer; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--display);
  font-weight: 700;
  font-size: .98rem;
  padding: 13px 26px;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .12s ease, box-shadow .12s ease, background .12s ease;
  text-decoration: none;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn-sm { padding: 9px 18px; font-size: .88rem; }
.btn-lg { padding: 16px 34px; font-size: 1.05rem; }
.btn-primary { background: var(--brand); color: #fff; box-shadow: 0 8px 20px rgba(108, 74, 182, .32); }
.btn-primary:hover { background: var(--brand-dark); color: #fff; }
.btn-mint { background: var(--mint); color: #fff; box-shadow: 0 8px 20px rgba(34, 183, 154, .30); }
.btn-mint:hover { background: #1a9c84; color: #fff; }
.btn-ghost { background: #fff; color: var(--brand-dark); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--brand); background: var(--brand-soft); }
.btn-block { width: 100%; }

/* ---------- hero ---------- */
.hero {
  background:
    radial-gradient(760px 420px at 88% -10%, rgba(255, 111, 165, .16), transparent 60%),
    radial-gradient(680px 500px at -8% 20%, rgba(34, 183, 154, .16), transparent 60%),
    var(--bg);
  padding: 68px 0 76px;
}
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 44px; align-items: center; }
.hero h1 { margin-bottom: .35em; }
.hero .sub { font-size: 1.12rem; color: var(--muted); margin-bottom: 26px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-fig { position: relative; }
.hero-fig img { border-radius: 24px; }
.hero-badges { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 22px; }
.hero-badges span {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: .82rem;
  color: var(--muted);
  box-shadow: var(--shadow-sm);
}

/* ---------- cards / grids ---------- */
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow-sm);
}
.card.pad-lg { padding: 34px; }
.card h3 { margin-bottom: .4em; }

.feature .ico {
  width: 52px; height: 52px;
  display: grid; place-items: center;
  border-radius: 14px;
  background: var(--brand-soft);
  margin-bottom: 14px;
}
.feature .ico svg { width: 28px; height: 28px; }

/* ---------- steps ---------- */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.steps .step { position: relative; padding-top: 8px; }
.steps .step::before {
  counter-increment: step;
  content: counter(step);
  font-family: var(--display);
  font-weight: 700;
  display: grid; place-items: center;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--brand); color: #fff;
  margin-bottom: 12px;
  font-size: 1.15rem;
}

/* ---------- teacher card ---------- */
.teacher-card { display: flex; flex-direction: column; overflow: hidden; padding: 0; }
.teacher-card .thumb { position: relative; aspect-ratio: 1 / 1; background: var(--brand-soft); }
.teacher-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.teacher-card .avail {
  position: absolute; left: 12px; top: 12px;
  background: rgba(31, 157, 104, .95); color: #fff;
  font-size: .74rem; font-weight: 700;
  padding: 4px 10px; border-radius: 999px;
}
.teacher-card .body { padding: 18px 20px 22px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.teacher-card .name { font-family: var(--display); font-weight: 700; font-size: 1.12rem; }
.teacher-card .attr { color: var(--pink); font-size: .82rem; font-weight: 700; }
.teacher-card .chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 2px 0; }
.teacher-card .price { font-family: var(--display); font-weight: 700; font-size: 1.15rem; margin-top: auto; }
.teacher-card .price small { font-weight: 400; color: var(--muted); font-size: .8rem; }

.chip {
  font-size: .76rem;
  background: var(--mint-soft);
  color: #147663;
  padding: 3px 10px;
  border-radius: 999px;
  white-space: nowrap;
}
.chip.gray { background: #F1EFF7; color: var(--muted); }
.chip.pink { background: var(--pink-soft); color: #b5406e; }

.stars { color: var(--amber); letter-spacing: 1px; font-size: .9rem; }
.stars small { color: var(--muted); margin-left: 4px; }

/* ---------- filter bar ---------- */
.filterbar {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px 22px;
  align-items: flex-end;
  box-shadow: var(--shadow-sm);
  margin-bottom: 28px;
}
.filterbar .fg { display: flex; flex-direction: column; gap: 5px; }
.filterbar label { font-size: .78rem; font-weight: 700; color: var(--muted); }
.filterbar select, .filterbar input[type=search] {
  font-family: var(--font);
  font-size: .9rem;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  min-width: 150px;
}
.filterbar .toggle { display: flex; align-items: center; gap: 7px; font-size: .86rem; font-weight: 500; padding-bottom: 9px; }
.result-count { color: var(--muted); font-size: .9rem; margin-bottom: 16px; }

/* ---------- tables ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-sm); }
table.data { width: 100%; border-collapse: collapse; font-size: .92rem; min-width: 520px; }
table.data th, table.data td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--line); }
table.data thead th { background: var(--brand-soft); font-family: var(--display); font-size: .84rem; color: var(--brand-dark); }
table.data tbody tr:last-child td { border-bottom: 0; }
table.data td.num, table.data th.num { text-align: right; font-variant-numeric: tabular-nums; }
.tag { display: inline-block; font-size: .74rem; font-weight: 700; padding: 3px 9px; border-radius: 6px; }
.tag.ok { background: var(--mint-soft); color: var(--ok); }
.tag.warn { background: #FCEFD9; color: var(--warn); }
.tag.bad { background: #FBE3E5; color: var(--bad); }
.tag.info { background: var(--brand-soft); color: var(--brand-dark); }

/* ---------- callouts ---------- */
.callout {
  border-left: 4px solid var(--brand);
  background: var(--brand-soft);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 18px 22px;
}
.callout.warn { border-color: var(--amber); background: #FCF3E3; }
.callout.mint { border-color: var(--mint); background: var(--mint-soft); }
.callout h4 { margin-bottom: .3em; }
.callout p:last-child { margin-bottom: 0; }

/* ---------- code ---------- */
pre.code {
  background: #1E1B2E;
  color: #E8E4F5;
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  overflow-x: auto;
  font-size: .84rem;
  line-height: 1.7;
  font-family: "SFMono-Regular", "Consolas", "Menlo", monospace;
  margin: 0 0 14px;
}
pre.code .c { color: #8B84A8; }        /* comment */
pre.code .k { color: #FF9EC4; }        /* keyword */
pre.code .s { color: #9EE6C8; }        /* string */
pre.code .n { color: #FFD27A; }        /* number / const */
pre.code .f { color: #B7A4FF; }        /* func */
code.inline { background: #F1EFF7; border: 1px solid var(--line); border-radius: 6px; padding: 1px 6px; font-size: .86em; font-family: "Consolas", monospace; }

.review-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.review-pair .bad-h { color: var(--bad); font-weight: 700; font-family: var(--display); margin-bottom: 6px; }
.review-pair .good-h { color: var(--ok); font-weight: 700; font-family: var(--display); margin-bottom: 6px; }

/* ---------- stepper (booking) ---------- */
.stepper { display: flex; gap: 8px; margin-bottom: 32px; flex-wrap: wrap; }
.stepper .s {
  flex: 1;
  min-width: 130px;
  text-align: center;
  font-size: .82rem;
  font-weight: 700;
  color: var(--muted);
  padding: 10px 6px;
  border-radius: 10px;
  background: #fff;
  border: 1px solid var(--line);
}
.stepper .s.done { color: var(--ok); border-color: var(--mint); background: var(--mint-soft); }
.stepper .s.current { color: #fff; background: var(--brand); border-color: var(--brand); }

.panel { display: none; }
.panel.active { display: block; animation: fade .3s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ---------- receipt / breakdown ---------- */
.breakdown { border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; }
.breakdown .row { display: flex; justify-content: space-between; gap: 16px; padding: 12px 18px; border-bottom: 1px solid var(--line); font-size: .95rem; }
.breakdown .row:last-child { border-bottom: 0; }
.breakdown .row.sub { background: #FBFAFF; font-size: .86rem; color: var(--muted); padding-left: 34px; }
.breakdown .row.total { background: var(--brand-soft); font-family: var(--display); font-weight: 700; font-size: 1.05rem; }
.breakdown .row .v { font-variant-numeric: tabular-nums; font-weight: 700; }
.breakdown .row.teacher .v { color: var(--mint); }
.breakdown .row.platform .v { color: var(--brand-dark); }

/* ---------- fake stripe form ---------- */
.stripe-box { max-width: 420px; margin: 0 auto; border: 1px solid var(--line); border-radius: 14px; padding: 26px; background: #fff; box-shadow: var(--shadow); }
.stripe-box .sb-head { display: flex; justify-content: space-between; align-items: center; font-size: .85rem; color: var(--muted); margin-bottom: 18px; }
.stripe-box .sb-amount { font-family: var(--display); font-weight: 700; font-size: 1.5rem; color: var(--ink); margin-bottom: 18px; }
.stripe-box label { display: block; font-size: .8rem; font-weight: 700; color: var(--muted); margin: 12px 0 5px; }
.stripe-box input {
  width: 100%; padding: 11px 13px; border: 1px solid #d7d3e6; border-radius: 9px;
  font-family: var(--font); font-size: .95rem;
}
.stripe-box .two { display: flex; gap: 10px; }
.stripe-box .lock { font-size: .76rem; color: var(--muted); text-align: center; margin-top: 14px; }

/* ---------- money flow diagram ---------- */
.flow-controls { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px 30px; margin-bottom: 26px; }
.flow-controls .fc label { font-weight: 700; font-size: .88rem; display: flex; justify-content: space-between; }
.flow-controls .fc label b { color: var(--brand-dark); font-variant-numeric: tabular-nums; }
.flow-controls input[type=range] { width: 100%; accent-color: var(--brand); }
.flow-controls .adv { grid-column: 1 / -1; font-size: .82rem; color: var(--muted); }
.flow-controls .adv summary { cursor: pointer; font-weight: 700; }
.flow-controls .adv .inner { display: flex; gap: 20px; flex-wrap: wrap; margin-top: 10px; }
.flow-controls .adv .inner label { display: flex; flex-direction: column; gap: 3px; }
.flow-controls .adv .inner input { width: 110px; padding: 6px 8px; border: 1px solid var(--line); border-radius: 8px; }

.flowfig { width: 100%; height: auto; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.flowfig text { font-family: var(--font); }

.mini-timeline { list-style: none; padding: 0; margin: 0; border-left: 3px solid var(--line); }
.mini-timeline li { position: relative; padding: 0 0 22px 24px; }
.mini-timeline li::before {
  content: ""; position: absolute; left: -9px; top: 4px;
  width: 15px; height: 15px; border-radius: 50%;
  background: #fff; border: 3px solid var(--brand);
}
.mini-timeline li b { font-family: var(--display); }
.mini-timeline li:last-child { padding-bottom: 0; }

/* ---------- scenario simulator ---------- */
.sim { display: grid; grid-template-columns: 300px 1fr; gap: 26px; }
.sim .controls { display: flex; flex-direction: column; gap: 16px; }
.sim .controls .grp label { font-size: .8rem; font-weight: 700; color: var(--muted); display: block; margin-bottom: 6px; }
.sim .seg { display: flex; flex-wrap: wrap; gap: 6px; }
.sim .seg button {
  border: 1px solid var(--line); background: #fff; border-radius: 999px;
  padding: 7px 14px; font-size: .84rem; font-family: var(--font); cursor: pointer;
}
.sim .seg button.on { background: var(--brand); color: #fff; border-color: var(--brand); }
.sim .out { border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; background: #fff; }
.sim .out .headline { font-family: var(--display); font-weight: 700; font-size: 1.15rem; margin-bottom: 14px; }
.sim .api-list { list-style: none; padding: 0; margin: 14px 0 0; display: flex; flex-direction: column; gap: 8px; }
.sim .api-list li { font-family: "Consolas", monospace; font-size: .82rem; background: #1E1B2E; color: #9EE6C8; padding: 8px 12px; border-radius: 8px; }

/* ---------- dashboard mock ---------- */
.dash { display: grid; grid-template-columns: 240px 1fr; gap: 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; }
.dash .side { background: #F7F5FD; border-right: 1px solid var(--line); padding: 22px 16px; }
.dash .side .logo { font-family: var(--display); font-weight: 700; color: var(--brand-dark); margin-bottom: 20px; }
.dash .side a { display: block; padding: 9px 12px; border-radius: 9px; font-size: .88rem; color: var(--ink); }
.dash .side a.on { background: var(--brand); color: #fff; }
.dash .main { padding: 26px; }
.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 22px; }
.stat { border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 16px 18px; }
.stat .k { font-size: .78rem; color: var(--muted); font-weight: 700; }
.stat .v { font-family: var(--display); font-weight: 700; font-size: 1.5rem; }
.stat .v.mint { color: var(--mint); }
.stat .v.hold { color: var(--amber); }

.status-banner {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  padding: 16px 20px; border-radius: var(--radius-sm); margin-bottom: 20px;
}
.status-banner.todo { background: #FCF3E3; border: 1px solid #F0D9AE; }
.status-banner.done { background: var(--mint-soft); border: 1px solid #B4E6D9; }
.status-banner .txt { flex: 1; font-size: .92rem; }
.status-banner .txt b { font-family: var(--display); }

/* ---------- onboarding wizard mock ---------- */
.wiz { max-width: 460px; margin: 0 auto; border: 1px solid var(--line); border-radius: 14px; background: #fff; box-shadow: var(--shadow); overflow: hidden; }
.wiz .wh { background: #635BFF; color: #fff; padding: 16px 22px; font-weight: 700; font-family: var(--display); display: flex; justify-content: space-between; align-items: center; }
.wiz .wh small { font-weight: 400; opacity: .85; }
.wiz .wb { padding: 24px 22px; }
.wiz .wb label { display: block; font-size: .8rem; font-weight: 700; color: var(--muted); margin: 12px 0 5px; }
.wiz .wb input, .wiz .wb select { width: 100%; padding: 10px 12px; border: 1px solid #d7d3e6; border-radius: 9px; font-family: var(--font); font-size: .92rem; }
.wiz .wb .two { display: flex; gap: 10px; }
.wiz .wprog { display: flex; gap: 5px; padding: 0 22px 18px; }
.wiz .wprog span { flex: 1; height: 5px; border-radius: 3px; background: var(--line); }
.wiz .wprog span.on { background: #635BFF; }

/* ---------- accordion ---------- */
.acc { border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; }
.acc details { border-bottom: 1px solid var(--line); }
.acc details:last-child { border-bottom: 0; }
.acc summary { padding: 15px 20px; font-weight: 700; cursor: pointer; font-family: var(--display); font-size: .96rem; list-style: none; position: relative; }
.acc summary::after { content: "＋"; position: absolute; right: 20px; color: var(--brand); }
.acc details[open] summary::after { content: "－"; }
.acc .ab { padding: 0 20px 18px; color: var(--muted); font-size: .92rem; }

/* ---------- calendar ---------- */
.cal { display: grid; grid-template-columns: repeat(7, 1fr); gap: 8px; }
.cal .d { border: 1px solid var(--line); border-radius: 10px; padding: 10px 6px; text-align: center; }
.cal .d .dow { font-size: .72rem; color: var(--muted); }
.cal .d .date { font-family: var(--display); font-weight: 700; margin-bottom: 6px; }
.cal .slot {
  display: block; width: 100%; margin: 4px 0; padding: 6px 2px;
  font-size: .78rem; border: 1px solid var(--mint); color: #147663; background: var(--mint-soft);
  border-radius: 7px; cursor: pointer; font-family: var(--font);
}
.cal .slot:hover { background: var(--mint); color: #fff; }
.cal .slot.sel { background: var(--brand); border-color: var(--brand); color: #fff; }
.cal .slot.none { border-color: var(--line); color: #bbb; background: #fafafa; cursor: default; }

/* ---------- misc ---------- */
.band { background: var(--brand-dark); color: #fff; }
.band h2 { color: #fff; }
.band a { color: #fff; }
.band .lead { color: rgba(255, 255, 255, .8); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.pill-row { display: flex; flex-wrap: wrap; gap: 10px; }
.kv { display: grid; grid-template-columns: 150px 1fr; gap: 6px 18px; font-size: .92rem; }
.kv dt { font-weight: 700; color: var(--muted); }
.kv dd { margin: 0; }
.center { text-align: center; }
.mt-0 { margin-top: 0; }
.muted { color: var(--muted); }
.hr { height: 1px; background: var(--line); border: 0; margin: 32px 0; }

/* ---------- footer ---------- */
.site-footer {
  background: #17132A;
  color: #C9C4DB;
  padding: 48px 0 30px;
  font-size: .88rem;
}
.site-footer .wrap { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 30px; }
.site-footer h4 { color: #fff; font-size: .92rem; margin-bottom: 10px; }
.site-footer a { color: #C9C4DB; display: block; padding: 3px 0; }
.site-footer a:hover { color: #fff; }
.site-footer .foot-note {
  grid-column: 1 / -1;
  border-top: 1px solid #2C2745;
  margin-top: 20px;
  padding-top: 18px;
  color: #8B84A8;
  font-size: .8rem;
  line-height: 1.7;
}

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .hero-grid, .split, .sim, .dash, .review-pair, .flow-controls { grid-template-columns: 1fr; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; }
  .dash .side { display: none; }
  .site-footer .wrap { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .site-nav {
    display: none;
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    padding: 8px 20px 16px;
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav-toggle { display: block; margin-left: auto; }
  .site-header { flex-wrap: wrap; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .stat-row { grid-template-columns: 1fr; }
  section { padding: 46px 0; }
  .cal { grid-template-columns: repeat(3, 1fr); }
  .site-footer .wrap { grid-template-columns: 1fr; }
}