:root {
  --bg: #0f1c22;
  --bg-elev: #142a31;
  --panel: rgba(255, 255, 255, 0.08);
  --panel-border: rgba(255, 255, 255, 0.18);
  --text: #eaf4f2;
  --muted: #b8cbc7;
  --primary: #68a6a2;
  --primary-strong: #4d8c88;
  --accent: #a7b96b;
  --accent-strong: #8fa154;
  --shadow: 0 12px 28px rgba(0, 0, 0, 0.28);
  --radius: 16px;
  --radius-sm: 10px;
  --container: min(1120px, 92vw);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background:
    radial-gradient(1200px 500px at 80% -10%, rgba(104, 166, 162, 0.18), transparent 60%),
    radial-gradient(900px 500px at 0% 20%, rgba(167, 185, 107, 0.12), transparent 60%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
}

img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
}

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

p {
  margin: 0 0 0.9rem;
  color: var(--muted);
}

h1,
h2,
h3 {
  margin: 0 0 0.75rem;
  line-height: 1.2;
  color: #f3fbf9;
  letter-spacing: 0.01em;
}

h1 {
  font-size: clamp(1.7rem, 5vw, 2.8rem);
  text-transform: uppercase;
}

h2 {
  font-size: clamp(1.35rem, 3.7vw, 2rem);
}

h3 {
  font-size: clamp(1.15rem, 2.8vw, 1.35rem);
}

ul {
  margin: 0;
  padding-left: 1.1rem;
}

li {
  margin-bottom: 0.55rem;
  color: var(--muted);
}

.container {
  width: var(--container);
  margin-inline: auto;
}

.section {
  padding: 2.8rem 0;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 120;
  backdrop-filter: blur(10px);
  background: rgba(11, 24, 29, 0.8);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  gap: 0.9rem;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
  font-size: 0.98rem;
  color: #e9f7f4;
  flex-shrink: 0;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  box-shadow: var(--shadow);
}

.main-nav {
  display: none;
}

.main-nav a,
.mobile-nav a {
  color: #d7e9e6;
  font-weight: 500;
}

.main-nav a:hover,
.mobile-nav a:hover {
  color: #ffffff;
}

.header-cta {
  display: none;
}

.menu-toggle {
  appearance: none;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.06);
  color: #f5fffd;
  border-radius: 10px;
  min-width: 44px;
  min-height: 44px;
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
}

.menu-toggle:hover {
  background: rgba(255, 255, 255, 0.12);
}

.mobile-nav {
  padding: 0.6rem 4vw 0.9rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(14, 31, 37, 0.96);
  display: grid;
  gap: 0.2rem;
}

.mobile-nav a {
  padding: 0.65rem 0.35rem;
  border-radius: 8px;
}

.mobile-nav a:hover {
  background: rgba(255, 255, 255, 0.08);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  border: 0;
}

/* Panels and reusable */
.glass-panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 1.1rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

.kicker,
.activity-label,
.meta {
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: #cce0dc;
}

.meta {
  font-size: 0.73rem;
  margin-bottom: 1rem;
  color: #abc2be;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0.55rem 1rem;
  border-radius: 999px;
  background: var(--primary);
  color: #062428;
  font-weight: 700;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.2s ease;
}

.btn:hover {
  background: var(--primary-strong);
  transform: translateY(-1px);
}

.btn:focus-visible,
.header-cta:focus-visible,
.menu-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn-accent {
  background: var(--accent);
  color: #17210d;
}

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

/* Hero */
.hero .container {
  display: grid;
  gap: 1rem;
}

.hero-image {
  border-radius: var(--radius);
  min-height: 230px;
  object-fit: cover;
}

.hero-panel p:last-child {
  margin-bottom: 0;
}

/* Cards */
.card-grid {
  margin-top: 1.2rem;
  display: grid;
  gap: 1rem;
}

.activity-card {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.03);
}

.activity-card .glass-panel {
  border-top-left-radius: 0;
  border-top-right-radius: 0;
  border: none;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  box-shadow: none;
  background: rgba(10, 24, 29, 0.72);
}

.card-image {
  border-radius: 0;
  min-height: 190px;
  object-fit: cover;
}

/* Content blocks */
.two-col {
  display: grid;
  gap: 1rem;
  align-items: start;
}

.content-image {
  min-height: 260px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.checklist ul {
  margin-bottom: 1rem;
}

/* Contact form */
.contact-form-section {
  padding-top: 0;
}

.contact-form-panel h2 {
  margin-bottom: 0.4rem;
}

.contact-form {
  margin-top: 1rem;
}

.form-grid {
  display: grid;
  gap: 0.9rem;
}

.form-field label {
  display: inline-block;
  margin-bottom: 0.4rem;
  color: #eaf7f4;
  font-weight: 600;
  font-size: 0.95rem;
}

.form-field input,
.form-field textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(6, 15, 19, 0.55);
  color: #f3fbf9;
  border-radius: 10px;
  padding: 0.72rem 0.78rem;
  font: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.form-field textarea {
  resize: vertical;
  min-height: 140px;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: #9eb6b2;
}

.form-field input:hover,
.form-field textarea:hover {
  background: rgba(8, 20, 25, 0.68);
}

.form-field input:focus-visible,
.form-field textarea:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(167, 185, 107, 0.24);
}

.form-field input[aria-invalid="true"],
.form-field textarea[aria-invalid="true"] {
  border-color: #df7f7f;
  box-shadow: 0 0 0 3px rgba(223, 127, 127, 0.2);
}

.field-error {
  min-height: 1.05rem;
  margin: 0.3rem 0 0;
  font-size: 0.83rem;
  color: #ffb8b8;
}

.form-actions {
  margin-top: 0.5rem;
}

.form-status {
  margin-top: 0.95rem;
  border-radius: 10px;
  padding: 0.7rem 0.85rem;
  font-size: 0.94rem;
  display: none;
}

.form-status.status-error {
  display: block;
  color: #ffd4d4;
  background: rgba(182, 58, 58, 0.2);
  border: 1px solid rgba(255, 170, 170, 0.35);
}

.form-status.status-success {
  display: block;
  color: #e2f4d1;
  background: rgba(99, 141, 63, 0.25);
  border: 1px solid rgba(194, 220, 142, 0.35);
}

/* Footer */
.site-footer {
  margin-top: 2rem;
  background: #0c171b;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.8rem;
}

.footer-grid {
  display: grid;
  gap: 1rem;
}

.footer-grid p {
  margin-bottom: 0.45rem;
  font-size: 0.95rem;
}

.footer-grid a {
  color: #d8e8e5;
}

.footer-grid a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  margin-top: 1rem;
  padding: 0.9rem 0 1.2rem;
}

.footer-bottom p {
  margin: 0;
  font-size: 0.88rem;
  color: #9db5b1;
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  z-index: 200;
  left: 50%;
  bottom: 14px;
  transform: translateX(-50%);
  width: min(700px, 92vw);
  background: rgba(8, 18, 23, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.17);
  border-radius: 14px;
  padding: 0.95rem;
  box-shadow: var(--shadow);
}

.cookie-banner p {
  margin-bottom: 0.8rem;
  font-size: 0.95rem;
}

.cookie-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.cookie-actions button {
  appearance: none;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.06);
  color: #effaf8;
  border-radius: 999px;
  padding: 0.5rem 0.95rem;
  font-weight: 600;
  cursor: pointer;
}

.cookie-actions button:first-child {
  background: var(--primary);
  color: #082126;
  border-color: transparent;
}

/* Responsive */
@media (min-width: 720px) {
  .section {
    padding: 3.4rem 0;
  }

  .hero .container {
    grid-template-columns: 1.2fr 1fr;
    align-items: stretch;
  }

  .hero-image {
    height: 100%;
  }

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

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

  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }

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

  .form-field-full {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1024px) {
  .main-nav {
    display: flex;
    gap: 1.05rem;
    align-items: center;
    margin-left: auto;
    margin-right: 0.6rem;
  }

  .main-nav a {
    padding: 0.35rem 0.25rem;
    font-size: 0.96rem;
  }

  .header-cta {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    min-height: 40px;
    padding: 0.45rem 0.95rem;
    background: var(--accent);
    color: #1a260d;
    font-weight: 700;
  }

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

  .menu-toggle,
  .mobile-nav {
    display: none;
  }

  .card-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .activity-card:nth-child(5) {
    grid-column: span 3;
    display: grid;
    grid-template-columns: 1.1fr 1fr;
  }

  .activity-card:nth-child(5) .card-image {
    height: 100%;
  }

  .activity-card:nth-child(5) .glass-panel {
    border-top: none;
    border-left: 1px solid rgba(255, 255, 255, 0.09);
    border-top-right-radius: var(--radius);
    border-bottom-left-radius: 0;
  }
}