:root {
  --paper: #f3eee5;
  --paper-deep: #e9e1d4;
  --ink: #242321;
  --muted: #777067;
  --line: rgba(36, 35, 33, 0.16);
  --accent: #d65b3d;
  --accent-dark: #9f3427;
  --blue: #314b56;
  --white: #fffdf8;
  --shadow: 0 16px 38px rgba(55, 44, 32, 0.08);
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 20% 10%, rgba(255, 255, 255, 0.65), transparent 27rem),
    var(--paper);
  font-family: var(--sans);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.23;
  content: "";
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='.15'/%3E%3C/svg%3E");
}

a { color: inherit; text-decoration: none; }
button { font: inherit; }

.site-shell { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 92px;
  border-bottom: 1px solid var(--line);
  gap: 32px;
}

.brand { display: flex; align-items: center; min-width: 235px; }
.brand-copy { display: grid; gap: 2px; }
.brand-copy strong { font: 600 17px var(--serif); letter-spacing: 0.01em; }
.brand-copy small { color: var(--muted); font-size: 11px; letter-spacing: 0; }

.main-nav { display: flex; align-items: center; gap: 28px; }
.nav-link { position: relative; padding: 9px 0; color: var(--muted); font-size: 13px; }
.nav-link::after { position: absolute; right: 0; bottom: 1px; left: 0; height: 2px; content: ""; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform 180ms ease; }
.nav-link:hover, .nav-link.is-active { color: var(--ink); }
.nav-link.is-active::after, .nav-link:hover::after { transform: scaleX(1); }
.topbar-note { display: flex; align-items: center; gap: 8px; color: var(--muted); font: 11px var(--sans); letter-spacing: 0.06em; text-transform: uppercase; }
.topbar-note a { color: var(--accent-dark); letter-spacing: 0; text-transform: none; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(214, 91, 61, 0.12); }

.hero { display: grid; grid-template-columns: 1.25fr 0.75fr; align-items: end; min-height: 480px; padding: 78px 4vw 76px; border-bottom: 1px solid var(--line); gap: 8vw; }
.eyebrow { margin: 0 0 16px; color: var(--accent-dark); font-size: 10px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; }
h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 23px; font: 400 clamp(52px, 7vw, 84px) / 0.95 var(--serif); letter-spacing: -0.055em; }
.hero-text { max-width: 420px; color: #625d56; font-size: 15px; line-height: 1.65; }
.hero-actions { display: flex; align-items: center; gap: 25px; margin-top: 35px; }
.button { display: inline-flex; align-items: center; gap: 20px; padding: 14px 17px; font-size: 12px; transition: transform 180ms ease, background 180ms ease; }
.button:hover { transform: translateY(-2px); }
.button-dark { color: var(--white); background: var(--ink); }
.button-dark span { color: var(--accent); font-size: 16px; }
.text-link { border-bottom: 1px solid var(--ink); padding-bottom: 4px; font-size: 12px; }

.hero-note { align-self: center; max-width: 310px; padding: 27px 30px 24px; border: 1px solid var(--line); background: var(--paper-deep); box-shadow: var(--shadow); }
.hero-note strong { display: block; margin: 24px 0 10px; font: 32px var(--serif); letter-spacing: -0.04em; }
.hero-note p:last-child { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.65; }

.dashboard-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; padding: 38px 0 90px; }
.panel { min-height: 325px; padding: 26px; border: 1px solid var(--line); background: rgba(255, 253, 248, 0.42); }
.panel-heading { display: flex; justify-content: space-between; gap: 12px; }
.panel-heading h2, .content-section h2 { margin-bottom: 0; font: 400 clamp(28px, 3vw, 40px) / 1 var(--serif); letter-spacing: -0.04em; }
.today-content { min-height: 145px; padding: 28px 0 12px; }
.empty-message { max-width: 255px; color: var(--muted); font: italic 20px/1.2 var(--serif); }
.empty-message small { display: block; margin-top: 12px; color: var(--muted); font: 12px/1.5 var(--sans); }
.panel-link { display: flex; justify-content: space-between; padding-top: 17px; border-top: 1px solid var(--line); font-size: 12px; }
.panel-link span { color: var(--accent); font-size: 17px; }
.preview-list, .news-list { min-height: 145px; padding: 19px 0 12px; }
.preview-item { display: grid; grid-template-columns: 62px 1fr; padding: 13px 0; border-bottom: 1px dashed var(--line); gap: 13px; }
.preview-item:first-child { padding-top: 0; }
.preview-date { color: var(--accent-dark); font-size: 10px; font-weight: 700; text-transform: uppercase; }
.preview-item strong { display: block; margin-bottom: 3px; font: 18px var(--serif); }
.preview-item span { color: var(--muted); font-size: 12px; }
.news-item { display: flex; justify-content: space-between; padding: 13px 0; border-bottom: 1px dashed var(--line); gap: 20px; }
.news-item:first-child { padding-top: 0; }
.news-item strong { font: 18px var(--serif); }
.news-item time { color: var(--muted); font-size: 11px; white-space: nowrap; }
.quote-card { position: relative; min-height: 325px; padding: 42px 32px; border: 1px solid var(--line); background: var(--paper-deep); }
.quote-card p { max-width: 280px; font: 400 27px/1.2 var(--serif); }
.quote-caption { color: var(--accent-dark); font-size: 10px; letter-spacing: 0.13em; text-transform: uppercase; }

.full-news-list { display: grid; gap: 14px; padding-top: 25px; }
.full-news-item { padding: 25px 27px; border: 1px solid var(--line); background: rgba(255, 253, 248, 0.45); }
.full-news-meta { display: flex; justify-content: space-between; gap: 18px; }
.full-news-meta .eyebrow { margin-bottom: 0; }
.full-news-meta time { color: var(--muted); font-size: 11px; }
.full-news-item h3 { margin: 18px 0 9px; font: 28px var(--serif); }
.full-news-item p, .full-news-item li { max-width: 820px; color: var(--muted); font-size: 13px; line-height: 1.6; }
.full-news-item ul { margin: 16px 0 0; padding-left: 20px; }
.news-links { display: flex; flex-wrap: wrap; gap: 15px; margin-top: 19px; }
.news-links a { color: var(--accent-dark); font-size: 12px; }
.important-table-block { margin-top: 72px; }
.table-wrap { overflow-x: auto; padding-top: 25px; }
.important-table { width: 100%; border-collapse: collapse; background: rgba(255, 253, 248, 0.45); font-size: 13px; }
.important-table th, .important-table td { padding: 13px 16px; border-bottom: 1px solid var(--line); text-align: left; }
.important-table th { color: var(--accent-dark); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; }
.important-table td:first-child { width: 155px; color: var(--muted); }
.table-links { margin-top: 16px; }

.section-view:not(.is-visible) { display: none; }
.content-section { padding: 78px 0 110px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; padding-bottom: 30px; border-bottom: 1px solid var(--line); gap: 30px; }
.section-description { max-width: 290px; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.6; }
.homework-days { display: grid; gap: 14px; padding-top: 25px; }
.homework-day { border: 1px solid var(--line); background: rgba(255, 253, 248, 0.35); }
.homework-day.is-next { border-color: var(--accent); }
.homework-day-header { display: flex; align-items: baseline; justify-content: space-between; padding: 18px 22px; border-bottom: 1px solid var(--line); gap: 20px; }
.homework-day-header h3 { margin: 0 0 4px; font: 25px var(--serif); }
.homework-day-header span, .homework-day-header strong { color: var(--muted); font-size: 11px; }
.homework-day-header strong { color: var(--accent-dark); font-weight: 700; text-transform: uppercase; }
.homework-day-tasks { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--line); }
.task-card { padding: 23px; background: rgba(255, 253, 248, 0.78); }
.task-card-top { display: flex; justify-content: space-between; gap: 12px; }
.subject-label { color: var(--accent-dark); font-size: 10px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; }
.task-card h4 { margin: 22px 0 9px; font: 24px var(--serif); }
.task-card p { min-height: 40px; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.5; }
.homework-day-empty { margin: 0; padding: 22px; color: var(--muted); font-size: 13px; }

.schedule-list { display: grid; gap: 9px; padding-top: 25px; }
.day-row { display: grid; grid-template-columns: 150px 1fr; border-bottom: 1px solid var(--line); gap: 28px; }
.day-name { padding: 19px 0; font: 25px var(--serif); }
.day-name small { display: block; margin-top: 4px; color: var(--muted); font: 10px var(--sans); letter-spacing: 0.1em; text-transform: uppercase; }
.lesson-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 11px; padding: 12px 0; }
.lesson { padding: 12px; background: var(--paper-deep); }
.lesson time { display: block; margin-bottom: 13px; color: var(--accent-dark); font-size: 10px; }
.lesson strong { display: block; font: 17px var(--serif); }
.lesson span { display: block; margin-top: 5px; color: var(--muted); font-size: 10px; }
.lesson-empty { border: 1px dashed var(--line); background: transparent; }
.lesson-empty strong { display: none; }
.lesson-empty span { color: var(--accent-dark); }
.special-day { display: flex; min-height: 125px; align-items: center; justify-content: center; flex-direction: column; padding: 20px; color: var(--white); background: var(--blue); text-align: center; }
.special-day strong { font: 42px var(--serif); letter-spacing: -0.04em; }
.special-day span { margin-top: 8px; color: #bec7c8; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; }

.materials-layout { display: grid; grid-template-columns: 1.2fr 0.8fr; padding-top: 25px; gap: 18px; }
.materials-list { display: grid; gap: 9px; }
.material-item { display: grid; grid-template-columns: 1fr auto; align-items: center; padding: 17px 19px; border-bottom: 1px solid var(--line); gap: 15px; }
.material-item strong { font: 20px var(--serif); }
.material-item span { display: block; margin-top: 3px; color: var(--muted); font-size: 11px; }
.material-item a { color: var(--accent-dark); font-size: 12px; }
.materials-aside { align-self: start; padding: 27px; border: 1px solid var(--line); background: rgba(255, 253, 248, 0.5); }
.materials-aside p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.6; }

.notes-page { padding: 78px 0 90px; }
.notes-page .section-heading h1 { margin: 0; font: 400 clamp(44px, 6vw, 76px) / 0.95 var(--serif); letter-spacing: -0.055em; }
.notes-list { display: grid; gap: 18px; padding-top: 28px; }
.note-sheet { padding: 30px clamp(22px, 4vw, 52px); border: 1px solid var(--line); background: rgba(255, 253, 248, 0.52); }
.note-sheet h2 { max-width: 760px; margin: 0 0 28px; font: 400 clamp(28px, 4vw, 45px) / 1.05 var(--serif); letter-spacing: -0.04em; }
.note-sheet h3 { margin: 28px 0 9px; font: 400 22px/1.2 var(--serif); }
.note-sheet p, .note-sheet li, .note-sheet dd { max-width: 840px; color: #5e5952; font-size: 14px; line-height: 1.7; }
.note-sheet ul { padding-left: 22px; }
.note-sheet li::marker { color: var(--accent); }
.note-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.note-columns h3 { margin-top: 10px; color: var(--accent-dark); font: 700 11px var(--sans); letter-spacing: 0.12em; text-transform: uppercase; }
.note-sheet dl { display: grid; grid-template-columns: 145px 1fr; margin: 0; gap: 11px 20px; }
.note-sheet dt { color: var(--ink); font: 18px var(--serif); }
.note-sheet dd { margin: 0; }
.source-pages { padding-top: 70px; }
.source-links { display: flex; flex-wrap: wrap; gap: 9px; padding-top: 23px; }
.source-links a { border-bottom: 1px solid var(--line); padding: 10px 12px; color: var(--accent-dark); background: rgba(255, 253, 248, 0.45); font-size: 12px; }

.footer { display: flex; justify-content: space-between; padding: 25px 0 34px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; gap: 20px; }
.footer div { display: flex; gap: 15px; }
.footer strong { color: var(--ink); font-family: var(--serif); }
.footer a { color: var(--accent-dark); }

@media (max-width: 800px) {
  .site-shell { width: min(100% - 28px, 600px); }
  .topbar { flex-wrap: wrap; min-height: auto; padding: 18px 0 14px; gap: 18px; }
  .brand { min-width: 0; }
  .topbar-note { margin-left: auto; }
  .main-nav { order: 3; width: 100%; justify-content: space-between; gap: 12px; overflow-x: auto; }
  .nav-link { white-space: nowrap; }
  .hero { grid-template-columns: 1fr; min-height: auto; padding: 75px 12px 62px; gap: 45px; }
  h1 { font-size: clamp(67px, 19vw, 108px); }
  .hero-note { max-width: 365px; justify-self: end; }
  .dashboard-grid, .homework-day-tasks, .materials-layout { grid-template-columns: 1fr; }
  .quote-card { transform: none; }
  .section-heading { display: block; }
  .section-description { margin-top: 17px; }
  .notes-page { padding-top: 55px; }
  .note-columns, .note-sheet dl { grid-template-columns: 1fr; }
  .note-sheet dd { margin-bottom: 9px; }
  .day-row { grid-template-columns: 1fr; gap: 0; }
  .day-name { padding-bottom: 6px; }
  .lesson-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer { display: block; }
  .footer div { margin-bottom: 15px; }
}

@media (max-width: 460px) {
  .desktop-only { display: none; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 20px; }
  .panel { padding: 21px; }
  .lesson-list { grid-template-columns: 1fr; }
  .material-item { grid-template-columns: 1fr; }
  .material-item a { justify-self: start; }
}