/* Timetable Manager — shared site styles */

:root {
  --ink: #14161f;
  --ink-soft: #4b4f5c;
  --muted: #6b7280;
  --bg: #ffffff;
  --bg-soft: #f7f8fb;
  --surface: #ffffff;
  --border: #e7e9f0;
  --accent: #3653ff;
  --accent-dark: #2540d1;
  --accent-soft: #eef1ff;
  --header-bg: rgba(255, 255, 255, 0.85);
  --radius-lg: 20px;
  --radius: 14px;
  --radius-sm: 10px;
  --container: 1120px;
  --font: "Rubik", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica,
    Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #eef0f6;
    --ink-soft: #c7c9d6;
    --muted: #9aa0ae;
    --bg: #0f1117;
    --bg-soft: #161923;
    --surface: #171a23;
    --border: #262a38;
    --accent: #7086ff;
    --accent-dark: #8b9dff;
    --accent-soft: #1c2242;
    --header-bg: rgba(15, 17, 23, 0.82);
  }
}

:root[data-theme="dark"] {
  --ink: #eef0f6;
  --ink-soft: #c7c9d6;
  --muted: #9aa0ae;
  --bg: #0f1117;
  --bg-soft: #161923;
  --surface: #171a23;
  --border: #262a38;
  --accent: #7086ff;
  --accent-dark: #8b9dff;
  --accent-soft: #1c2242;
  --header-bg: rgba(15, 17, 23, 0.82);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

.wrap {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--header-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 16px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px;
  gap: 2px;
}

.lang-switch button {
  border: none;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 5px 10px;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.lang-switch button.active {
  background: var(--accent-soft);
  color: var(--accent);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  flex: 0 0 auto;
}

.theme-toggle svg {
  width: 17px;
  height: 17px;
}

.theme-toggle .icon-sun {
  display: none;
}

:root[data-theme="dark"] .theme-toggle .icon-sun {
  display: block;
}

:root[data-theme="dark"] .theme-toggle .icon-moon {
  display: none;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .icon-sun {
    display: block;
  }

  :root:not([data-theme="light"]) .theme-toggle .icon-moon {
    display: none;
  }
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 17px;
  color: var(--ink);
}

.brand img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-dark);
}

.btn-ghost {
  border-color: var(--border);
  color: var(--ink);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ---------- Hero ---------- */

.hero {
  padding: 96px 0 80px;
}

.hero .wrap {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 56px;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: 48px;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  font-weight: 750;
}

.hero p.lede {
  font-size: 18px;
  color: var(--muted);
  max-width: 46ch;
  margin: 0 0 32px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-note {
  font-size: 14px;
  color: var(--muted);
}

.hero-visual {
  min-width: 0;
}

.hero-visual img {
  width: 100%;
  border-radius: var(--radius-lg);
  display: block;
  filter: drop-shadow(0 30px 40px rgba(20, 22, 31, 0.16));
}

/* ---------- Sections ---------- */

section {
  padding: 88px 0;
}

.section-head {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 56px;
}

.section-head h2 {
  font-size: 34px;
  letter-spacing: -0.015em;
  margin: 0 0 14px;
  font-weight: 700;
}

.section-head p {
  color: var(--muted);
  font-size: 17px;
  margin: 0;
}

.showcase {
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.showcase-strip {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 4px max(16px, calc((100% - var(--container)) / 2 + 16px)) 16px;
  -webkit-overflow-scrolling: touch;
}

.showcase-strip img {
  flex: 0 0 auto;
  scroll-snap-align: start;
  height: 560px;
  width: auto;
  border-radius: var(--radius-lg);
  filter: drop-shadow(0 16px 24px rgba(20, 22, 31, 0.12));
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 28px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
}

.feature-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.feature-card h3 {
  font-size: 18px;
  margin: 0 0 8px;
  font-weight: 650;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

/* ---------- Trust strip ---------- */

.trust-strip {
  padding: 0 0 88px;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.trust-item {
  padding: 0 28px;
  border-left: 1px solid var(--border);
}

.trust-item:first-child {
  border-left: none;
  padding-left: 0;
}

.trust-item h3 {
  font-size: 15px;
  margin: 0 0 6px;
  font-weight: 650;
}

.trust-item p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

/* ---------- CTA band ---------- */

.cta-band {
  text-align: center;
}

.cta-band h2 {
  font-size: 30px;
  margin: 0 0 14px;
  letter-spacing: -0.015em;
}

.cta-band p {
  color: var(--muted);
  margin: 0 0 30px;
  font-size: 17px;
}

/* ---------- Footer ---------- */

.site-footer {
  background: #14161f;
  color: #b9bcc9;
  padding: 56px 0 28px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 24px;
  padding-bottom: 32px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 700;
  font-size: 16px;
}

.footer-brand img {
  width: 28px;
  height: 28px;
  border-radius: 7px;
}

.footer-tagline {
  margin: 10px 0 0;
  font-size: 14px;
  color: #8b8fa3;
  max-width: 36ch;
}

.footer-social {
  display: flex;
  gap: 14px;
  margin-top: 16px;
}

.footer-social a {
  color: #b9bcc9;
}

.footer-social a:hover {
  color: #fff;
}

.footer-social svg {
  width: 22px;
  height: 22px;
  display: block;
}

.footer-links {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-links a {
  font-size: 14px;
  color: #b9bcc9;
}

.footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  font-size: 13px;
  color: #74788c;
}

/* ---------- Simple content pages (imprint / privacy) ---------- */

.page-hero {
  padding: 64px 0 32px;
  border-bottom: 1px solid var(--border);
}

.page-hero h1 {
  font-size: 34px;
  letter-spacing: -0.015em;
  margin: 0;
}

.content-card {
  padding: 56px 0 96px;
}

.content-card .wrap {
  max-width: 760px;
}

.content-card p {
  color: var(--ink-soft);
  font-size: 16px;
  margin: 0 0 18px;
}

.content-card address {
  font-style: normal;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.8;
}

.content-card a {
  color: var(--accent);
  font-weight: 600;
}

.content-card a:hover {
  text-decoration: underline;
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .hero .wrap {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 56px 0 48px;
    text-align: center;
  }

  .hero p.lede {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-visual {
    margin-top: 24px;
  }

  .showcase-strip img {
    height: 420px;
  }

  .trust-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .trust-item {
    border-left: none;
    padding-left: 0;
    text-align: center;
  }

  .hero h1 {
    font-size: 36px;
  }

  .footer-top {
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .site-header .wrap {
    height: auto;
    padding-top: 12px;
    padding-bottom: 12px;
    flex-wrap: wrap;
  }

  .header-actions {
    gap: 8px;
  }

  .btn-kofi {
    padding: 9px;
  }

  .btn-kofi span {
    display: none;
  }

  .btn-primary {
    padding: 9px 16px;
    font-size: 14px;
  }
}