:root {
  color-scheme: dark;
  --ink: #f4f8fa;
  --muted: #b9c9d1;
  --panel: rgba(5, 19, 27, 0.88);
  --panel-solid: #081d27;
  --line: rgba(255, 255, 255, 0.16);
  --accent: #f1c54a;
  --accent-strong: #ffd96b;
  --accent-ink: #122029;
  --focus: #78d7f2;
  --radius: 1.35rem;
  --shadow: 0 1.5rem 4rem rgba(0, 0, 0, 0.42);
}

* { box-sizing: border-box; }

html {
  min-height: 100%;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background: #06151d;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.72;
}

body::before {
  position: fixed;
  z-index: -2;
  inset: 0;
  content: "";
  background-image: url("../images/shutterstock_1358028356.jpg");
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
}

body::after {
  position: fixed;
  z-index: -1;
  inset: 0;
  content: "";
  background:
    linear-gradient(90deg, rgba(3, 16, 23, 0.92) 0%, rgba(3, 16, 23, 0.7) 54%, rgba(3, 16, 23, 0.46) 100%),
    linear-gradient(0deg, rgba(3, 16, 23, 0.82), transparent 60%);
}

a { color: inherit; }

button,
input,
textarea { font: inherit; }

:focus-visible {
  outline: 0.2rem solid var(--focus);
  outline-offset: 0.2rem;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.7rem 1rem;
  color: #06151d;
  background: #fff;
  border-radius: 0.5rem;
  transform: translateY(-180%);
}

.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 5.5rem;
  padding: 0.85rem clamp(1rem, 4vw, 4rem);
  background: rgba(4, 18, 25, 0.93);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(1rem);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
  white-space: nowrap;
}

.brand-mark {
  display: grid;
  width: 2.75rem;
  height: 2.75rem;
  color: var(--accent-ink);
  background: var(--accent);
  border-radius: 50% 50% 50% 0.45rem;
  font-weight: 900;
  place-items: center;
  transform: rotate(-4deg);
}

.brand strong,
.brand small { display: block; }

.brand strong {
  font-size: 1.02rem;
  letter-spacing: 0.025em;
}

.brand small {
  margin-top: -0.1rem;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.menu-toggle {
  display: none;
  align-items: center;
  gap: 0.65rem;
  padding: 0.65rem 0.8rem;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 0.65rem;
  cursor: pointer;
}

.menu-icon,
.menu-icon::before,
.menu-icon::after {
  display: block;
  width: 1.35rem;
  height: 0.12rem;
  content: "";
  background: currentColor;
  transition: transform 180ms ease;
}

.menu-icon { position: relative; }
.menu-icon::before { position: absolute; top: -0.42rem; }
.menu-icon::after { position: absolute; top: 0.42rem; }

.main-nav > ul,
.submenu {
  padding: 0;
  margin: 0;
  list-style: none;
}

.main-nav > ul {
  display: flex;
  align-items: center;
  gap: clamp(0.2rem, 1vw, 0.9rem);
}

.main-nav a {
  display: inline-flex;
  align-items: center;
  gap: 0.28rem;
  padding: 0.58rem 0.5rem;
  border-radius: 0.45rem;
  font-size: clamp(0.8rem, 0.9vw, 0.95rem);
  font-weight: 650;
  text-decoration: none;
  white-space: nowrap;
}

.main-nav a:hover,
.main-nav a[aria-current="page"] { color: var(--accent-strong); }

.nav-parent { display: flex; align-items: center; }

.submenu-toggle {
  display: grid;
  width: 2rem;
  height: 2rem;
  padding: 0;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-radius: 0.35rem;
  cursor: pointer;
  place-items: center;
}

.submenu-toggle span {
  font-size: 1.25rem;
  line-height: 1;
  transition: transform 180ms ease;
}

.has-submenu { position: relative; }

.submenu {
  position: absolute;
  top: calc(100% + 0.45rem);
  left: 0;
  min-width: 14rem;
  padding: 0.55rem;
  visibility: hidden;
  opacity: 0;
  background: #0b242f;
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  box-shadow: var(--shadow);
  transform: translateY(-0.4rem);
  transition: opacity 160ms ease, transform 160ms ease, visibility 160ms;
}

.submenu a { display: block; padding: 0.55rem 0.7rem; }

.has-submenu:hover .submenu,
.has-submenu:focus-within .submenu,
.has-submenu.submenu-open .submenu {
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
}

.has-submenu.submenu-open .submenu-toggle span { transform: rotate(180deg); }

.external-mark { color: var(--accent); font-size: 0.82em; }

.page-shell {
  display: grid;
  min-height: calc(100vh - 10rem);
  padding: clamp(2rem, 7vw, 6rem) clamp(1rem, 6vw, 6rem);
  align-items: start;
}

.content-card {
  width: min(100%, 61rem);
  padding: clamp(1.5rem, 4vw, 4rem);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(0.55rem);
}

.page-heading { max-width: 48rem; }

.eyebrow {
  min-height: 1.5rem;
  margin: 0 0 0.35rem;
  color: var(--accent-strong);
  font-size: 0.83rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.13;
  text-wrap: balance;
}

h1 {
  max-width: 15ch;
  margin: 0;
  font-size: clamp(2.55rem, 7vw, 5.6rem);
  letter-spacing: -0.055em;
}

h2 {
  margin: 2.4rem 0 0.8rem;
  font-size: clamp(1.45rem, 3vw, 2.15rem);
}

h3 { margin: 1.8rem 0 0.55rem; font-size: 1.25rem; }

.lead {
  max-width: 42rem;
  margin: 1.2rem 0 0;
  color: #d9e5ea;
  font-size: clamp(1.12rem, 2vw, 1.4rem);
  line-height: 1.55;
}

.course-quote {
  position: relative;
  max-width: 45rem;
  padding: 1.6rem 1.8rem 1.5rem 2rem;
  margin: 2.3rem 0;
  overflow: hidden;
  background: rgba(241, 197, 74, 0.12);
  border-left: 0.28rem solid var(--accent);
  border-radius: 0 0.9rem 0.9rem 0;
}

.course-quote::before {
  position: absolute;
  top: -0.85rem;
  right: 1rem;
  color: rgba(241, 197, 74, 0.16);
  content: "„";
  font-family: Georgia, serif;
  font-size: 7rem;
  line-height: 1;
}

.course-quote p {
  position: relative;
  margin: 0;
  font-family: Georgia, serif;
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-style: italic;
  line-height: 1.45;
}

.course-quote footer { margin-top: 0.65rem; color: var(--muted); }

.page-image {
  margin: 2.2rem 0;
}

.page-image img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: 1rem;
}

.page-image figcaption {
  margin-top: 0.45rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.page-content {
  max-width: 48rem;
}

.page-content p { margin: 0 0 1.15rem; }
.page-content ul { padding-left: 1.25rem; }
.page-content li + li { margin-top: 0.35rem; }
.page-content a { color: var(--accent-strong); text-underline-offset: 0.2em; }

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

.offer-card {
  display: block;
  min-height: 8rem;
  padding: 1.25rem;
  color: var(--ink) !important;
  background: rgba(255, 255, 255, 0.065);
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  text-decoration: none;
  transition: border-color 160ms ease, transform 160ms ease, background 160ms ease;
}

.offer-card:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(241, 197, 74, 0.7);
  transform: translateY(-0.15rem);
}

.offer-card strong { display: block; color: var(--accent-strong); font-size: 1.12rem; }
.offer-card span { display: block; margin-top: 0.35rem; color: var(--muted); font-size: 0.94rem; }

.contact-form {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

.form-row { display: grid; gap: 0.35rem; }
.form-row label { font-weight: 700; }

.form-row input,
.form-row textarea {
  width: 100%;
  padding: 0.8rem 0.9rem;
  color: var(--ink);
  background: rgba(0, 0, 0, 0.24);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 0.6rem;
}

.form-row textarea { min-height: 10rem; resize: vertical; }

.button {
  justify-self: start;
  padding: 0.78rem 1.1rem;
  color: var(--accent-ink);
  background: var(--accent);
  border: 0;
  border-radius: 0.55rem;
  font-weight: 800;
  cursor: pointer;
}

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

.form-note,
.legal-note { color: var(--muted); font-size: 0.9rem; }

.legal-address { font-style: normal; }

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.35rem clamp(1rem, 6vw, 6rem);
  color: var(--muted);
  background: rgba(4, 18, 25, 0.94);
  border-top: 1px solid var(--line);
  font-size: 0.9rem;
}

.site-footer p { margin: 0; }
.site-footer nav { display: flex; gap: 1rem; }
.site-footer a { text-decoration: none; }
.site-footer a:hover,
.site-footer a[aria-current="page"] { color: var(--accent-strong); }

[hidden] { display: none !important; }

@media (max-width: 74rem) {
  .menu-toggle { display: inline-flex; }

  .main-nav {
    position: absolute;
    top: 100%;
    right: 1rem;
    left: 1rem;
    max-height: calc(100vh - 6.5rem);
    padding: 0.65rem;
    overflow: auto;
    visibility: hidden;
    opacity: 0;
    background: var(--panel-solid);
    border: 1px solid var(--line);
    border-radius: 0 0 0.85rem 0.85rem;
    box-shadow: var(--shadow);
    transform: translateY(-0.45rem);
    transition: opacity 160ms ease, transform 160ms ease, visibility 160ms;
  }

  .main-nav.nav-open {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
  }

  .main-nav > ul { display: block; }
  .main-nav a { display: flex; padding: 0.78rem 0.7rem; font-size: 1rem; }
  .nav-parent { justify-content: space-between; }
  .nav-parent > a { flex: 1; }
  .submenu-toggle { width: 2.75rem; height: 2.75rem; }

  .submenu {
    position: static;
    display: none;
    min-width: 0;
    padding: 0 0 0.35rem 1rem;
    visibility: visible;
    opacity: 1;
    background: transparent;
    border: 0;
    box-shadow: none;
    transform: none;
  }

  .has-submenu:hover .submenu,
  .has-submenu:focus-within .submenu { display: none; }
  .has-submenu.submenu-open .submenu { display: block; }
}

@media (max-width: 42rem) {
  .site-header { min-height: 4.75rem; }
  .brand-mark { width: 2.35rem; height: 2.35rem; }
  .brand strong { font-size: 0.9rem; }
  .brand small { font-size: 0.67rem; }
  .menu-toggle span:last-child { display: none; }
  .page-shell { padding-top: 1.5rem; }
  .content-card { border-radius: 1rem; }
  .offer-grid { grid-template-columns: 1fr; }
  .site-footer { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}