:root {
  --bg: #f4f6fc;
  --surface: #ffffff;
  --surface-soft: #edf1ff;
  --ink: #1a2033;
  --ink-muted: #505c78;
  --border: #d6def3;
  --shadow: 0 16px 40px rgba(35, 40, 96, 0.14);
  --shadow-soft: 0 10px 24px rgba(35, 40, 96, 0.1);
  --brand: #315ca8;
  --brand-dark: #24427a;
  --accent: #129a83;
  --accent-dark: #0d7463;
  --youtube: #ff0033;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --max-width: 1140px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  font-family: "Space Grotesk", "Avenir Next", "Trebuchet MS", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1200px 720px at 8% -12%, #dce8ff 0%, transparent 68%),
    radial-gradient(900px 640px at 92% -16%, #d7fff3 0%, transparent 68%),
    radial-gradient(760px 500px at 60% 112%, #ebe5ff 0%, transparent 70%),
    var(--bg);
  line-height: 1.6;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-family: "Sora", "Avenir Next", sans-serif;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

p {
  margin: 0;
  color: var(--ink-muted);
}

a {
  color: inherit;
}

.container {
  width: min(100% - 2rem, var(--max-width));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link:focus {
  position: fixed;
  left: 1rem;
  top: 1rem;
  width: auto;
  height: auto;
  z-index: 1000;
  padding: 0.6rem 0.8rem;
  border-radius: 0.5rem;
  color: var(--ink);
  background: #fff;
  box-shadow: var(--shadow-soft);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(12px);
  background: rgba(244, 246, 252, 0.86);
  border-bottom: 1px solid rgba(214, 222, 243, 0.78);
}

.header-row {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
}

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  object-fit: cover;
  border: 1px solid #8ea5de;
  box-shadow: 0 4px 12px rgba(36, 58, 116, 0.2);
}

.brand-text {
  font-size: 1rem;
  font-weight: 700;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 10px;
  font: inherit;
  padding: 0.45rem 0.7rem;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.primary-nav a {
  text-decoration: none;
  font-weight: 600;
  padding: 0.55rem 0.8rem;
  border-radius: 10px;
  color: var(--ink-muted);
}

.primary-nav a:hover,
.primary-nav a[aria-current="page"] {
  color: var(--ink);
  background: #fff;
  box-shadow: var(--shadow-soft);
}

main {
  padding: 2.5rem 0 4.5rem;
}

.hero {
  background:
    linear-gradient(135deg, rgba(49, 92, 168, 0.1), rgba(18, 154, 131, 0.12)),
    var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 4vw, 3rem);
  box-shadow: var(--shadow);
}

.hero-eyebrow {
  display: inline-flex;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  background: rgba(49, 92, 168, 0.12);
  color: var(--brand-dark);
  font-family: "Cinzel", "Sora", serif;
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.hero h1 {
  margin-top: 0.85rem;
  font-size: clamp(2rem, 5vw, 3.1rem);
}

.hero p {
  margin-top: 0.9rem;
  max-width: 70ch;
  font-size: clamp(1rem, 2.5vw, 1.14rem);
}

.page-intro {
  max-width: 74ch;
}

.cta-row {
  margin-top: 1.3rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  text-decoration: none;
  font-weight: 700;
  padding: 0.74rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-soft);
}

.button.primary {
  color: #fff;
  background: var(--youtube);
}

.button.secondary {
  color: #fff;
  background: var(--accent);
}

.button.secondary:hover {
  background: var(--accent-dark);
}

.button.suggest {
  color: #fff;
  background: var(--brand);
}

.button.suggest:hover {
  background: var(--brand-dark);
}

.button.ghost {
  color: var(--ink);
  background: #fff;
  border-color: var(--border);
}

.kpi-grid {
  margin-top: 1.2rem;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
}

.kpi-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.95rem;
}

.kpi-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-muted);
  font-weight: 700;
}

.kpi-value {
  margin-top: 0.22rem;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--ink);
}

.section {
  margin-top: 1.4rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  padding: clamp(1.2rem, 2.8vw, 2rem);
}

.section-head {
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  align-items: end;
}

.section-head p {
  max-width: 62ch;
}

.cards {
  margin-top: 1rem;
  display: grid;
  gap: 0.8rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface-soft);
  padding: 1rem;
}

.card h3 {
  font-size: 1.1rem;
}

.card p {
  margin-top: 0.5rem;
}

.card .button {
  margin-top: 0.9rem;
}

.embed-wrap {
  margin-top: 1rem;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
  background: #080d22;
}

.embed-wrap iframe {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 0;
  display: block;
}

.tags-block {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.3rem 0.64rem;
  font-size: 0.76rem;
  font-weight: 700;
  color: #22407a;
  background: #e6edff;
  border: 1px solid #cfd9f6;
}

.form-grid {
  margin-top: 1rem;
  display: grid;
  gap: 0.85rem;
}

.contact-form {
  position: relative;
}

.grid.two {
  display: grid;
  gap: 0.85rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field {
  display: grid;
  gap: 0.35rem;
}

.field label {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--ink);
}

.field input,
.field textarea,
.field select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.68rem 0.75rem;
  font: inherit;
  color: var(--ink);
  background: #fff;
}

.field textarea {
  min-height: 170px;
  resize: vertical;
}

.alert {
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  padding: 0.8rem 0.9rem;
  background: #f7fbff;
}

.alert p {
  margin: 0;
}

.alert p + p {
  margin-top: 0.45rem;
}

.alert.success {
  border-color: #8fd4b6;
  background: #ebfff4;
  color: #0c4f34;
}

.alert.error {
  border-color: #f2b8b5;
  background: #fff3f2;
  color: #832e2b;
}

small.hint {
  color: var(--ink-muted);
  display: block;
  margin-top: 0.45rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.3rem 0 2rem;
  color: var(--ink-muted);
  font-size: 0.92rem;
}

.fade-in {
  opacity: 0;
  transform: translateY(8px);
  animation: rise 500ms ease forwards;
}

.fade-in.delay-1 {
  animation-delay: 90ms;
}

.fade-in.delay-2 {
  animation-delay: 180ms;
}

@keyframes rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .kpi-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .header-row {
    align-items: flex-start;
    padding: 0.8rem 0;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .primary-nav {
    position: absolute;
    top: 72px;
    right: 1rem;
    left: 1rem;
    display: grid;
    gap: 0.2rem;
    background: #fff;
    border-radius: 12px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-soft);
    padding: 0.5rem;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 170ms ease, transform 170ms ease;
  }

  .primary-nav.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .cards {
    grid-template-columns: 1fr;
  }

  .grid.two {
    grid-template-columns: 1fr;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }
}