/* ============================================================
   Terrassen 3D — Stylesheet
   Arkitektur: Custom Properties → reset → typography →
               layout components → page sections → utilities
   ============================================================ */

/* ============================================================
   1. CUSTOM PROPERTIES
   ============================================================ */
:root {
  /* Farger */
  --color-primary:        #B85C38;
  --color-primary-hover:  #9E4A28;
  --color-dark:           #1C2B1E;
  --color-dark-lighter:   #243626;
  --color-bg:             #F5F0E8;
  --color-bg-alt:         #EDE8DF;
  --color-gold:           #C8973A;
  --color-text:           #1A1A1A;
  --color-text-muted:     #4A4A4A;
  --color-white:          #FFFFFF;
  --color-border:         rgba(26, 26, 26, 0.1);

  /* Typografi */
  --font-heading: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-body:    'Inter', system-ui, -apple-system, sans-serif;

  /* Spacing */
  --space-xs:   0.375rem;
  --space-sm:   0.75rem;
  --space-md:   1.25rem;
  --space-lg:   2rem;
  --space-xl:   3.5rem;
  --space-2xl:  6rem;

  /* Layout */
  --max-width:  1180px;
  --gutter:     clamp(1rem, 4vw, 2rem);

  /* Shapes */
  --radius-sm:  8px;
  --radius-md:  14px;
  --radius-lg:  20px;
  --radius-xl:  28px;

  /* Shadows */
  --shadow-sm:  0 1px 4px rgba(0,0,0,0.06), 0 2px 8px rgba(0,0,0,0.04);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.08), 0 8px 32px rgba(0,0,0,0.05);
  --shadow-lg:  0 8px 32px rgba(0,0,0,0.12), 0 20px 60px rgba(0,0,0,0.08);

  /* Transitions */
  --transition: 220ms ease;
}

/* ============================================================
   2. RESET
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem; /* Header height */
  text-size-adjust: none;
  -webkit-text-size-adjust: none;
}

body {
  font-family: var(--font-body);
  font-size: 1.0625rem; /* 17px */
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

/* ============================================================
   3. UTILITIES
   ============================================================ */

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

/* ============================================================
   4. TYPOGRAPHY
   ============================================================ */

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.15;
  color: inherit;
  text-wrap: balance;
}

.section-header {
  text-align: center;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-header__title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin-bottom: 0.75rem;
}

.section-header__lead {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 52ch;
  margin-inline: auto;
}

/* ============================================================
   5. BUTTONS
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-family: var(--font-body);
  font-weight: 600;
  letter-spacing: -0.01em;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background-color var(--transition), color var(--transition),
              border-color var(--transition), transform var(--transition),
              box-shadow var(--transition);
  white-space: nowrap;
}

.btn--sm  { font-size: 0.875rem; padding: 0.5rem 1rem; }
.btn--md  { font-size: 1rem;     padding: 0.7rem 1.4rem; }
.btn--lg  { font-size: 1.0625rem; padding: 0.85rem 1.75rem; }
.btn--xl  { font-size: 1.2rem;   padding: 1rem 2.25rem; border-radius: var(--radius-lg); }

.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}
.btn--primary:hover,
.btn--primary:focus-visible {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(184, 92, 56, 0.35);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.4);
}
.btn--ghost:hover,
.btn--ghost:focus-visible {
  background-color: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.7);
}

/* Focus visible — tilgjengelighet */
:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
}

/* ============================================================
   6. HEADER
   ============================================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(245, 240, 232, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: background-color var(--transition);
}

.site-header--scrolled {
  background-color: rgba(245, 240, 232, 0.97);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  height: 4.5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-shrink: 0;
  color: var(--color-dark);
  transition: opacity var(--transition);
}
.logo:hover { opacity: 0.75; }
.logo__text {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.site-nav {
  /* margin handled by site-header__right flex container */
}
.site-nav__list {
  display: flex;
  gap: var(--space-md);
  align-items: center;
}
.site-nav__link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-muted);
  padding: 0.3rem 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}
.site-nav__link:hover,
.site-nav__link:focus-visible {
  color: var(--color-text);
  border-bottom-color: var(--color-primary);
}

.site-header__cta {
  margin-left: var(--space-sm);
  flex-shrink: 0;
}

/* ============================================================
   7. HERO
   ============================================================ */

.hero {
  background-color: var(--color-dark);
  color: var(--color-white);
  padding-top: clamp(5rem, 12vw, 9rem);
  padding-bottom: 0;
  overflow: hidden;
  position: relative;
}

/* Subtilt rutenett-mønster i bakgrunnen */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.hero__content {
  position: relative;
  text-align: center;
}

.hero__eyebrow {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 1rem;
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2.6rem, 6.5vw, 5.2rem);
  line-height: 1.08;
  color: var(--color-white);
  max-width: 16ch;
  margin-inline: auto;
  margin-bottom: 1.4rem;
}

.hero__lead {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,0.72);
  max-width: 50ch;
  margin-inline: auto;
  margin-bottom: 2.25rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 2.25rem;
}

/* Tillitsrad */
.trust-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  justify-content: center;
  margin-bottom: 3.5rem;
}
.trust-bar__item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255,255,255,0.6);
}
.trust-bar__item svg {
  color: var(--color-gold);
  flex-shrink: 0;
}

/* Hero-bilde */
.hero__visual {
  margin-top: 1rem;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255,255,255,0.08);
  border-bottom: none;
  max-width: 980px;
  margin-inline: auto;
}
.hero__img {
  width: 100%;
  height: auto;
  display: block;
}

/* ============================================================
   8. SITAT-SEKSJON
   ============================================================ */

.quote-section {
  background-color: var(--color-dark);
  padding: clamp(2rem, 5vw, 3.5rem) var(--gutter);
}

.pullquote {
  max-width: 680px;
  margin-inline: auto;
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 2.5rem;
}
.pullquote p {
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  color: rgba(255,255,255,0.88);
  line-height: 1.4;
  font-weight: 500;
}
.pullquote p em {
  color: var(--color-gold);
  font-style: normal;
}
.pullquote__source {
  margin-top: 1rem;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.4);
}

/* ============================================================
   9. FEATURES
   ============================================================ */

.features {
  padding-block: clamp(4rem, 8vw, 7rem);
}

.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  margin-bottom: clamp(4rem, 7vw, 6rem);
  content-visibility: auto;
  contain-intrinsic-size: 0 500px;
}

.feature-row:last-child {
  margin-bottom: 0;
}

.feature-row--reverse .feature-row__media {
  order: 2;
}
.feature-row--reverse .feature-row__text {
  order: 1;
}

.feature-row__media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
}
.feature-row__media img {
  width: 100%;
  height: auto;
}

.feature-row__tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--color-primary);
  background-color: rgba(184, 92, 56, 0.1);
  border-radius: 100px;
  padding: 0.3rem 0.8rem;
  margin-bottom: 0.9rem;
}

.feature-row__title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 0.9rem;
  color: var(--color-dark);
}

.feature-row__text p {
  color: var(--color-text-muted);
  margin-bottom: 1.2rem;
  font-size: 1.0375rem;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.feature-list li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-muted);
}
.feature-list li::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-gold);
  flex-shrink: 0;
}

/* ============================================================
   10. MIDTRE CTA
   ============================================================ */

.mid-cta {
  background-color: var(--color-primary);
  padding-block: clamp(3.5rem, 7vw, 5rem);
}

.mid-cta__inner {
  text-align: center;
}

.mid-cta__title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  color: var(--color-white);
  margin-bottom: 0.7rem;
}

.mid-cta__lead {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.8);
  max-width: 44ch;
  margin-inline: auto;
  margin-bottom: 2rem;
}

.mid-cta .btn--primary {
  background-color: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}
.mid-cta .btn--primary:hover {
  background-color: var(--color-bg);
  border-color: var(--color-bg);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

/* ============================================================
   11. USP-GRID
   ============================================================ */

.usp-section {
  padding-block: clamp(4rem, 8vw, 7rem);
  background-color: var(--color-white);
}

.usp-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 1rem;
}

.usp-card {
  background-color: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition), transform var(--transition);
}
.usp-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.usp-card__icon {
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.usp-card__title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--color-dark);
  margin-bottom: 0.6rem;
}

.usp-card__text {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ============================================================
   12. FAQ
   ============================================================ */

.faq-section {
  padding-block: clamp(4rem, 8vw, 6rem);
}

.faq-section__inner {
  max-width: 760px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.faq-item {
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background-color: var(--color-white);
  overflow: hidden;
  transition: box-shadow var(--transition);
}
.faq-item:has(details[open]) {
  box-shadow: var(--shadow-sm);
}

.faq-item details {
  width: 100%;
}

.faq-item__question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.1rem 1.4rem;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  list-style: none;
  transition: background-color var(--transition);
  user-select: none;
}
.faq-item__question::-webkit-details-marker { display: none; }

.faq-item__question::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--color-primary);
  flex-shrink: 0;
  transition: transform var(--transition);
  line-height: 1;
}
details[open] > .faq-item__question::after {
  transform: rotate(45deg);
}

.faq-item__question:hover {
  background-color: var(--color-bg);
}

.faq-item__answer {
  padding: 0 1.4rem 1.2rem;
  color: var(--color-text-muted);
  font-size: 0.9625rem;
  line-height: 1.7;
}
.faq-item__answer code {
  background: var(--color-bg);
  border-radius: 4px;
  padding: 0.15em 0.4em;
  font-size: 0.875em;
  font-family: 'Courier New', monospace;
}

/* ============================================================
   13. SLUTT-CTA
   ============================================================ */

.final-cta {
  background-color: var(--color-dark);
  padding-block: clamp(5rem, 10vw, 8rem);
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* Dekorativt bakgrunnselement */
.final-cta::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(184,92,56,0.15) 0%, transparent 70%);
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.final-cta__inner {
  position: relative;
}

.final-cta__title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  color: var(--color-white);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.final-cta__lead {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: rgba(255,255,255,0.68);
  max-width: 48ch;
  margin-inline: auto;
  margin-bottom: 2.5rem;
}

.final-cta__nudge {
  margin-top: 1.25rem;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.03em;
}
.final-cta__nudge::before {
  content: '· ';
}

/* ============================================================
   14. FOOTER
   ============================================================ */

.site-footer {
  background-color: var(--color-dark-lighter);
  color: rgba(255,255,255,0.55);
  padding-block: 2.5rem 1.75rem;
}

.site-footer__inner {
  display: flex;
  align-items: flex-start;
  gap: 3rem;
  margin-bottom: 2rem;
}

.site-footer__brand .logo {
  color: rgba(255,255,255,0.8);
  margin-bottom: 0.6rem;
}
.site-footer__tagline {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.4);
}

.site-footer__nav ul {
  display: flex;
  gap: 1.5rem;
  margin-left: auto;
}
.site-footer__nav a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.5);
  transition: color var(--transition);
}
.site-footer__nav a:hover {
  color: rgba(255,255,255,0.85);
}

.site-footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 1.25rem;
}
.site-footer__bottom small {
  font-size: 0.8125rem;
}

/* ============================================================
   15. SPRÅKVELGER
   ============================================================ */

.site-header__right {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-left: auto;
}

.lang-switcher {
  display: flex;
  align-items: center;
  gap: 2px;
  background-color: rgba(26,26,26,0.06);
  border-radius: 100px;
  padding: 3px;
}

.lang-switcher__link {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  padding: 0.25rem 0.6rem;
  border-radius: 100px;
  transition: background-color var(--transition), color var(--transition);
  text-decoration: none;
}

.lang-switcher__link:hover {
  color: var(--color-text);
  background-color: rgba(26,26,26,0.08);
}

.lang-switcher__link--active {
  background-color: var(--color-white);
  color: var(--color-dark);
  box-shadow: var(--shadow-sm);
}

/* ============================================================
   16. RESPONSIVT DESIGN
   ============================================================ */

/* Tablets og under (< 900px) */
@media (max-width: 900px) {
  .feature-row {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }
  .feature-row--reverse .feature-row__media { order: unset; }
  .feature-row--reverse .feature-row__text  { order: unset; }

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

  .site-nav,
  .site-header__cta {
    display: none;
  }
}

/* Mobil (< 600px) */
@media (max-width: 600px) {
  .hero__actions {
    flex-direction: column;
    align-items: center;
  }
  .hero__actions .btn {
    width: 100%;
    justify-content: center;
  }
  .trust-bar {
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
  }
  .site-footer__inner {
    flex-direction: column;
    gap: 1.5rem;
  }
  .site-footer__nav ul {
    margin-left: 0;
  }
  .final-cta .btn--xl {
    width: 100%;
    justify-content: center;
    font-size: 1rem;
  }
}

/* Prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}