:root {
  --k4v-ink: #0f2536;
  --k4v-deep: #142f43;
  --k4v-slate: #1e3a4f;
  --k4v-ocean: #2f6f8f;
  --k4v-mint: #8ad0c3;
  --k4v-sand: #f7efe2;
  --k4v-amber: #f2c879;
  --k4v-white: #ffffff;
  --k4v-shadow: 0 24px 60px rgba(15, 37, 54, 0.18);
}

* {
  box-sizing: border-box;
}

body.k4v-body {
  margin: 0;
  font-family: "Trebuchet MS", "Lucida Grande", "Lucida Sans Unicode", "Lucida Sans", sans-serif;
  color: var(--k4v-ink);
  background: radial-gradient(circle at top left, rgba(242, 200, 121, 0.35), transparent 60%),
    radial-gradient(circle at 80% 20%, rgba(138, 208, 195, 0.4), transparent 55%),
    linear-gradient(180deg, #f7efe2 0%, #ffffff 55%, #f7efe2 100%);
  min-height: 100vh;
}

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

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

.k4v-wrap {
  width: min(1200px, 92vw);
  margin: 0 auto;
}

.k4v-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 26px 0 10px;
}

.k4v-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: "Palatino Linotype", "Book Antiqua", Palatino, serif;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 16px;
  font-weight: 700;
}

.k4v-logo-mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--k4v-ink), var(--k4v-ocean));
  display: grid;
  place-items: center;
  color: var(--k4v-sand);
  font-weight: 700;
}

.k4v-nav {
  display: flex;
  gap: 22px;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.k4v-hero {
  padding: 40px 0 80px;
}

.k4v-hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  align-items: center;
}

.k4v-hero-card {
  background: var(--k4v-white);
  border-radius: 28px;
  padding: 36px;
  box-shadow: var(--k4v-shadow);
  position: relative;
  overflow: hidden;
}

.k4v-hero-card::before {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(138, 208, 195, 0.25);
  top: -70px;
  right: -40px;
}

.k4v-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(47, 111, 143, 0.12);
  color: var(--k4v-slate);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.k4v-hero-title {
  font-family: "Palatino Linotype", "Book Antiqua", Palatino, serif;
  font-size: clamp(32px, 4vw, 52px);
  margin: 18px 0 12px;
  line-height: 1.05;
}

.k4v-hero-subtitle {
  font-size: 16px;
  line-height: 1.7;
  color: rgba(15, 37, 54, 0.8);
}

.k4v-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.k4v-button {
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.k4v-button-primary {
  background: var(--k4v-ink);
  color: var(--k4v-sand);
  box-shadow: 0 16px 30px rgba(15, 37, 54, 0.25);
}

.k4v-button-secondary {
  background: var(--k4v-sand);
  border-color: var(--k4v-ink);
}

.k4v-button:hover {
  transform: translateY(-2px);
}

.k4v-hero-figure {
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--k4v-shadow);
  position: relative;
}

.k4v-hero-figure img {
  width: 100%;
  height: auto;
}

.k4v-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.k4v-stat {
  background: rgba(255, 255, 255, 0.7);
  border-radius: 18px;
  padding: 16px 18px;
  border: 1px solid rgba(15, 37, 54, 0.08);
}

.k4v-stat strong {
  display: block;
  font-size: 20px;
  margin-bottom: 4px;
}

.k4v-section {
  padding: 70px 0;
}

.k4v-section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 32px;
}

.k4v-section-title {
  font-family: "Palatino Linotype", "Book Antiqua", Palatino, serif;
  font-size: clamp(26px, 3vw, 38px);
  margin: 0;
}

.k4v-section-kicker {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 12px;
  color: rgba(15, 37, 54, 0.6);
}

.k4v-grid {
  display: grid;
  gap: 24px;
}

.k4v-grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.k4v-card {
  background: var(--k4v-white);
  border-radius: 22px;
  padding: 22px;
  box-shadow: var(--k4v-shadow);
}

.k4v-card h3 {
  margin: 0 0 10px;
  font-size: 18px;
}

.k4v-card p {
  margin: 0;
  color: rgba(15, 37, 54, 0.75);
  line-height: 1.6;
}

.k4v-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 18px;
}

.k4v-gallery figure {
  margin: 0;
  background: var(--k4v-white);
  padding: 12px;
  border-radius: 18px;
  box-shadow: var(--k4v-shadow);
}

.k4v-program {
  background: linear-gradient(120deg, rgba(47, 111, 143, 0.12), rgba(242, 200, 121, 0.2));
  border-radius: 30px;
  padding: 32px;
}

.k4v-program-step {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 18px;
  margin-bottom: 18px;
}

.k4v-program-step:last-child {
  margin-bottom: 0;
}

.k4v-step-number {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: var(--k4v-ink);
  color: var(--k4v-sand);
  display: grid;
  place-items: center;
  font-weight: 700;
}

.k4v-syllabus {
  display: grid;
  gap: 12px;
}

.k4v-syllabus-item {
  background: var(--k4v-white);
  border-radius: 16px;
  padding: 14px 16px;
  border: 1px solid rgba(15, 37, 54, 0.08);
}

.k4v-quote {
  background: var(--k4v-ink);
  color: var(--k4v-sand);
  border-radius: 24px;
  padding: 30px;
  position: relative;
  overflow: hidden;
}

.k4v-quote::after {
  content: "";
  position: absolute;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(242, 200, 121, 0.3);
  top: -80px;
  right: -60px;
}

.k4v-quote p {
  margin: 0;
  font-size: 18px;
  line-height: 1.6;
}

.k4v-quote span {
  display: block;
  margin-top: 12px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.k4v-faq {
  border-top: 1px solid rgba(15, 37, 54, 0.12);
  padding-top: 20px;
}

.k4v-faq-item {
  padding: 14px 0;
  border-bottom: 1px solid rgba(15, 37, 54, 0.08);
}

.k4v-faq-item h4 {
  margin: 0 0 6px;
  font-size: 16px;
}

.k4v-form {
  background: var(--k4v-white);
  border-radius: 26px;
  padding: 28px;
  box-shadow: var(--k4v-shadow);
}

.k4v-form-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.k4v-form label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(15, 37, 54, 0.7);
}

.k4v-form input,
.k4v-form select,
.k4v-form textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(15, 37, 54, 0.2);
  margin-top: 6px;
  font-family: inherit;
  font-size: 14px;
}

.k4v-form textarea {
  min-height: 120px;
  resize: vertical;
}

.k4v-form-note {
  font-size: 12px;
  color: rgba(15, 37, 54, 0.6);
  margin-top: 12px;
}

.k4v-footer {
  padding: 40px 0 60px;
  border-top: 1px solid rgba(15, 37, 54, 0.12);
  font-size: 14px;
}

.k4v-footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.k4v-legal-links {
  display: grid;
  gap: 8px;
  font-size: 13px;
}

.k4v-reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.k4v-reveal.k4v-reveal-in {
  opacity: 1;
  transform: translateY(0);
}

@keyframes k4v-float {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
  100% {
    transform: translateY(0);
  }
}

.k4v-hero-figure {
  animation: k4v-float 8s ease-in-out infinite;
}

.k4v-legal {
  padding: 60px 0 80px;
}

.k4v-legal h1 {
  font-family: "Palatino Linotype", "Book Antiqua", Palatino, serif;
  font-size: clamp(28px, 3.5vw, 42px);
}

.k4v-legal p {
  line-height: 1.7;
  color: rgba(15, 37, 54, 0.8);
}

.k4v-legal ul {
  padding-left: 18px;
  line-height: 1.7;
}

@media (max-width: 720px) {
  .k4v-nav {
    display: none;
  }

  .k4v-hero-card {
    padding: 26px;
  }

  .k4v-section-head {
    flex-direction: column;
    align-items: flex-start;
  }
}