/* =====================================================
   Spiff ApS — spiff.dk
   CSS3 stylesheet
   ===================================================== */

:root {
  --color-bg: #0e1a26;
  --color-bg-alt: #142433;
  --color-surface: #1a2e40;
  --color-surface-border: #274558;
  --color-text: #e8eef3;
  --color-text-muted: #9fb3c4;
  --color-accent: #4fd1c5;
  --color-accent-dark: #2fa79c;
  --color-link: #7dd8ce;
  --font-sans: "Segoe UI", Roboto, -apple-system, BlinkMacSystemFont,
    "Helvetica Neue", Arial, sans-serif;
  --max-width: 980px;
  --radius: 10px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
}

a {
  color: var(--color-link);
  text-decoration: none;
}

a:hover,
a:focus-visible {
  color: var(--color-accent);
  text-decoration: underline;
}

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

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(14, 26, 38, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-surface-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.75rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand img {
  height: 40px;
  width: auto;
}

.nav-toggle {
  display: none;
}

.nav-toggle-label {
  display: none;
  cursor: pointer;
  padding: 0.4rem 0.6rem;
  border: 1px solid var(--color-surface-border);
  border-radius: var(--radius);
  font-size: 1.25rem;
  line-height: 1;
}

.main-nav ul {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-nav a {
  color: var(--color-text-muted);
  font-weight: 600;
  padding: 0.4rem 0.1rem;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.main-nav a:hover,
.main-nav a:focus-visible,
.main-nav a[aria-current="page"] {
  color: var(--color-text);
  text-decoration: none;
  border-color: var(--color-accent);
}

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

.hero {
  padding-block: 4rem 3rem;
  text-align: center;
}

.hero .eyebrow {
  display: inline-block;
  color: var(--color-accent);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  margin: 0 0 1rem;
}

.hero p.lead {
  max-width: 640px;
  margin-inline: auto;
  color: var(--color-text-muted);
  font-size: 1.1rem;
}

.hero .cta-row {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn-primary {
  background: var(--color-accent);
  color: #06201d;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--color-accent-dark);
  color: #06201d;
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(79, 209, 197, 0.25);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-surface-border);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  border-color: var(--color-accent);
  color: var(--color-accent);
  text-decoration: none;
  transform: translateY(-2px);
}

/* ---------- Main content ---------- */

main {
  padding-block: 1rem 4rem;
}

.page-title {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  margin: 2rem 0 1.5rem;
}

.prose p {
  margin: 0 0 1.1rem;
}

.prose strong {
  color: var(--color-text);
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-surface-border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.card + .card {
  margin-top: 1.5rem;
}

/* Feature / model cards grid */

.grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin: 2rem 0;
}

.grid .card h3 {
  margin-top: 0;
  color: var(--color-accent);
  font-size: 1.05rem;
}

.grid .card p {
  color: var(--color-text-muted);
  margin: 0;
}

/* Services list */

.service-list {
  list-style: none;
  margin: 1.5rem 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.service-list li {
  background: var(--color-surface);
  border: 1px solid var(--color-surface-border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  padding-left: 2.25rem;
  position: relative;
}

.service-list li::before {
  content: "✓";
  position: absolute;
  left: 0.9rem;
  color: var(--color-accent);
  font-weight: 700;
}

.price-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  background: var(--color-surface);
  border: 1px solid var(--color-surface-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.price-table th,
.price-table td {
  text-align: left;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-surface-border);
}

.price-table tr:last-child td {
  border-bottom: none;
}

/* Terms list */

.terms-list {
  padding-left: 1.25rem;
}

.terms-list li {
  margin-bottom: 1.25rem;
}

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

.site-footer {
  border-top: 1px solid var(--color-surface-border);
  background: var(--color-bg);
  padding-block: 2rem;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.site-footer .contact-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  justify-content: center;
  text-align: center;
  margin-bottom: 0.75rem;
}

.site-footer .contact-bar span:not(:last-child)::after {
  content: "|";
  margin-left: 1rem;
  color: var(--color-surface-border);
}

.site-footer .lang-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
  text-align: center;
}

.site-footer .lang-note img {
  height: 14px;
  width: auto;
}

.site-footer .copyright {
  text-align: center;
  opacity: 0.7;
}

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

@media (max-width: 720px) {
  .nav-toggle-label {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-surface-border);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 0.5rem 1.25rem 1rem;
  }

  .main-nav a {
    display: block;
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--color-surface-border);
  }

  .nav-toggle:checked ~ .main-nav {
    max-height: 320px;
  }

  .site-header .container {
    position: relative;
    flex-wrap: wrap;
  }
}