/* =========================================================
   WK Bygg Kubik AS – Main Stylesheet
   ========================================================= */

:root {
  --color-primary: #4A3728;
  --color-primary-light: #6B5344;
  --color-primary-dark: #3A2A1E;
  --color-accent: #5B7F4B;
  --color-accent-dark: #476339;
  --color-accent-light: #7BA36B;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F5F5F3;
  --color-surface: #FFFFFF;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-text-on-dark: #F5F5F3;
  --color-border: #E2E0DC;
  --color-star: #D4A017;

  --font-heading: 'Merriweather', Georgia, 'Times New Roman', serif;
  --font-body: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --max-width: 1200px;
  --header-height: 80px;
  --radius: 6px;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
  --transition: 0.3s ease;
}

/* ---- Reset ---- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-accent-dark);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-accent);
}

ul {
  list-style: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-primary);
  line-height: 1.3;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.4rem; }
h4 { font-size: 1.15rem; }

p + p { margin-top: 1rem; }

/* ---- Utility ---- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 4rem 0;
}

.section--alt {
  background-color: var(--color-bg-alt);
}

.section--dark {
  background-color: var(--color-primary);
  color: var(--color-text-on-dark);
}

.section--dark h2,
.section--dark h3 {
  color: var(--color-text-on-dark);
}

.section__header {
  text-align: center;
  margin-bottom: 3rem;
}

.section__header p {
  margin-top: 1rem;
  color: var(--color-text-light);
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
}

.section--dark .section__header p {
  color: rgba(250, 247, 242, 0.8);
}

.btn {
  display: inline-block;
  padding: 0.85rem 2rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  text-align: center;
}

.btn--primary {
  background-color: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.btn--primary:hover {
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: #fff;
}

.btn--outline {
  background-color: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.btn--outline:hover {
  background-color: var(--color-accent);
  color: #fff;
}

.btn--outline-light {
  background-color: transparent;
  color: var(--color-text-on-dark);
  border-color: var(--color-text-on-dark);
}

.btn--outline-light:hover {
  background-color: var(--color-text-on-dark);
  color: var(--color-primary);
}

.btn--large {
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
}

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

/* ---- Header / Nav ---- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  box-sizing: border-box;
  padding-top: env(safe-area-inset-top, 0px);
  height: calc(var(--header-height) + env(safe-area-inset-top, 0px));
  background-color: var(--color-surface);
  z-index: 1000;
  transition: box-shadow var(--transition);
}

.header--scrolled {
  box-shadow: var(--shadow);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  width: 100%;
  position: relative;
}

/* Logo + hamburger sit above the mobile dropdown (nav has lower z-index). */
.header__brand {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-width: 0;
  flex: 0 0 auto;
  position: relative;
  z-index: 1002;
  background-color: var(--color-surface);
}

.header__logo {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-primary);
  white-space: nowrap;
}

.header__logo:hover {
  color: var(--color-primary);
}

.header__logo span {
  color: var(--color-accent);
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav__link {
  font-weight: 600;
  color: var(--color-text);
  position: relative;
  padding: 0.25rem 0;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition);
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-accent-dark);
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
}

.nav__cta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--color-accent-dark);
}

.nav__cta svg {
  width: 18px;
  height: 18px;
}

.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav__toggle span {
  display: block;
  width: 26px;
  height: 3px;
  background-color: var(--color-primary);
  border-radius: 2px;
  transition: all var(--transition);
}

.nav__toggle span + span {
  margin-top: 5px;
}

/* ---- Hero ---- */
.hero {
  margin-top: calc(var(--header-height) + env(safe-area-inset-top, 0px));
  background-color: var(--color-primary);
  color: var(--color-text-on-dark);
  padding: 6rem 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
  opacity: 0.95;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.hero h1 {
  color: var(--color-text-on-dark);
  font-size: 2.8rem;
  margin-bottom: 1.5rem;
}

.hero p {
  font-size: 1.2rem;
  line-height: 1.8;
  opacity: 0.9;
  margin-bottom: 2rem;
}

.hero__buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ---- Page Hero (sub-pages) ---- */
.page-hero {
  margin-top: calc(var(--header-height) + env(safe-area-inset-top, 0px));
  background-color: var(--color-primary);
  color: var(--color-text-on-dark);
  padding: 4rem 0;
  text-align: center;
}

.page-hero h1 {
  color: var(--color-text-on-dark);
  margin-bottom: 1rem;
}

.page-hero p {
  opacity: 0.85;
  font-size: 1.15rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ---- Features / USP row ---- */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.feature {
  text-align: center;
  padding: 2.5rem 1.5rem;
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.feature:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.feature__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 1.25rem;
  background-color: var(--color-bg-alt);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature__icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-accent);
}

.feature h3 {
  margin-bottom: 0.75rem;
}

.feature p {
  color: var(--color-text-light);
  font-size: 0.95rem;
}

/* ---- Service Boxes (index page) ---- */
.service-boxes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.service-box {
  background-color: var(--color-bg-alt);
  border-radius: var(--radius);
  padding: 2.75rem 2.5rem;
}

.service-box h3 {
  font-size: 1.35rem;
  margin-bottom: 0.6rem;
}

.service-box p {
  color: var(--color-text-light);
  font-size: 1.15rem;
  line-height: 1.7;
}

/* ---- Service List (tjenester page) ---- */
.services-list {
  max-width: 800px;
  margin: 0 auto;
}

.service-item {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--color-border);
}

.service-item:first-child {
  border-top: 1px solid var(--color-border);
}

.service-item h3 {
  font-size: 1.15rem;
  margin-bottom: 0.4rem;
}

.service-item p {
  color: var(--color-text-light);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ---- Process Steps ---- */
.process {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  counter-reset: step;
}

.process__step {
  text-align: center;
  position: relative;
  padding: 2rem 1.5rem;
}

.process__step::before {
  counter-increment: step;
  content: counter(step);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  margin: 0 auto 1.25rem;
  background-color: var(--color-accent);
  color: #fff;
  border-radius: 50%;
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
}

.process__step h3 {
  margin-bottom: 0.75rem;
}

.process__step p {
  color: var(--color-text-light);
  font-size: 0.95rem;
}

/* ---- Portfolio / Projects ---- */
.project-group {
  margin-bottom: 4rem;
}

.project-group:last-child {
  margin-bottom: 0;
}

.project-group h3 {
  margin-bottom: 1.5rem;
  text-align: center;
}

.before-after {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.before-after__item {
  position: relative;
}

.before-after__label {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background-color: var(--color-primary);
  color: var(--color-text-on-dark);
  padding: 0.3rem 0.9rem;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  z-index: 1;
}

.before-after__label--after {
  background-color: var(--color-accent);
}

.image-placeholder {
  background-color: var(--color-bg-alt);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 280px;
  padding: 2rem;
  text-align: center;
  color: var(--color-text-light);
  font-size: 0.9rem;
}

.project-img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
  display: block;
  cursor: pointer;
  transition: opacity var(--transition);
}

.project-img:hover {
  opacity: 0.88;
}

/* ---- Lightbox ---- */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.88);
  align-items: center;
  justify-content: center;
  padding: 2rem;
  cursor: zoom-out;
}

.lightbox--open {
  display: flex;
}

.lightbox img {
  max-width: 100%;
  max-height: 90vh;
  border-radius: var(--radius);
  box-shadow: 0 4px 40px rgba(0, 0, 0, 0.4);
  cursor: default;
}

.lightbox__close {
  position: absolute;
  top: 1.25rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: #fff;
  font-size: 2.2rem;
  cursor: pointer;
  line-height: 1;
  padding: 0.25rem;
  opacity: 0.8;
  transition: opacity var(--transition);
}

.lightbox__close:hover {
  opacity: 1;
}

.lightbox__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.15);
  border: none;
  color: #fff;
  font-size: 2rem;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.8;
  transition: background var(--transition), opacity var(--transition);
}

.lightbox__arrow:hover {
  background: rgba(255, 255, 255, 0.3);
  opacity: 1;
}

.lightbox__arrow--prev {
  left: 1.5rem;
}

.lightbox__arrow--next {
  right: 1.5rem;
}

.image-placeholder svg {
  width: 48px;
  height: 48px;
  margin-bottom: 1rem;
  opacity: 0.4;
}

.image-placeholder span {
  font-weight: 600;
  color: var(--color-text);
  display: block;
  margin-bottom: 0.25rem;
}

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

.gallery-item {
  position: relative;
}

.gallery-item__caption {
  text-align: center;
  margin-top: 0.75rem;
  font-weight: 600;
  color: var(--color-primary);
}

/* ---- Trust / Reviews ---- */
.trust-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.trust-cards--single {
  grid-template-columns: minmax(0, 420px);
  justify-content: center;
}

.trust-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  text-align: center;
}

.trust-card__badge {
  display: inline-block;
  background-color: var(--color-accent);
  color: #fff;
  padding: 0.25rem 0.8rem;
  border-radius: var(--radius);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.trust-card__platform {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.trust-card__subtitle {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: 1rem;
}

.trust-card__score {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.trust-card__stars {
  color: var(--color-star);
  font-size: 1.3rem;
  letter-spacing: 2px;
  margin-bottom: 0.5rem;
}

.trust-card__count {
  color: var(--color-text-light);
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
}

.trust-card__link {
  font-weight: 600;
}

.reviews-sample {
  margin-top: 3rem;
}

.reviews-sample h3 {
  text-align: center;
  margin-bottom: 2rem;
}

.review-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.review-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow);
}

.review-card__stars {
  color: var(--color-star);
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.review-card__title {
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.review-card__text {
  font-size: 0.95rem;
  color: var(--color-text-light);
  font-style: italic;
  margin-bottom: 0.75rem;
}

.review-card__author {
  font-size: 0.85rem;
  color: var(--color-text-light);
}

/* ---- CTA Banner ---- */
.cta-banner {
  text-align: center;
  padding: 4rem 0;
  background-color: var(--color-accent);
  color: #fff;
}

.cta-banner h2 {
  color: #fff;
  margin-bottom: 1rem;
}

.cta-banner p {
  opacity: 0.9;
  max-width: 550px;
  margin: 0 auto 2rem;
  font-size: 1.1rem;
}

.cta-banner .btn--outline-light {
  border-color: #fff;
  color: #fff;
}

.cta-banner .btn--outline-light:hover {
  background-color: #fff;
  color: var(--color-accent-dark);
}

/* ---- Contact Info Cards ---- */
.contact-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.contact-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow);
  transition: transform var(--transition);
}

.contact-card:hover {
  transform: translateY(-3px);
}

.contact-card__icon {
  width: 50px;
  height: 50px;
  margin: 0 auto 1rem;
  background-color: var(--color-bg-alt);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-card__icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-accent);
}

.contact-card h3 {
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.contact-card a {
  font-weight: 600;
  font-size: 1.05rem;
}

.contact-card p {
  color: var(--color-text-light);
  font-size: 0.95rem;
}

/* ---- About / Company Info ---- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.about-content h2 {
  margin-bottom: 1.25rem;
}

.about-content p {
  margin-bottom: 1rem;
}

.about-details {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.about-details h3 {
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--color-bg-alt);
}

.about-details dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem 1.5rem;
}

.about-details dt {
  font-weight: 600;
  color: var(--color-primary);
}

.about-details dd {
  color: var(--color-text-light);
}

/* ---- Footer ---- */
.footer {
  background-color: var(--color-primary-dark);
  color: var(--color-text-on-dark);
  padding: 4rem 0 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
}

.footer h4 {
  color: var(--color-text-on-dark);
  margin-bottom: 1.25rem;
  font-size: 1.05rem;
}

.footer__about p {
  opacity: 0.8;
  font-size: 0.9rem;
  line-height: 1.7;
}

.footer__links li {
  margin-bottom: 0.6rem;
}

.footer__links a {
  color: rgba(250, 247, 242, 0.75);
  font-size: 0.9rem;
  transition: color var(--transition);
}

.footer__links a:hover {
  color: var(--color-text-on-dark);
}

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
  opacity: 0.8;
}

.footer__contact-item svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 3px;
}

.footer__bottom {
  border-top: 1px solid rgba(250, 247, 242, 0.15);
  padding: 1.5rem 0;
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.6;
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .features {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }

  .hero { padding: 4rem 0; }
  .hero h1 { font-size: 2.2rem; }
  .hero p { font-size: 1.05rem; }
  .section { padding: 3.5rem 0; }

  /* Mobile Nav: hide with vh (not % of own height) — avoids browsers where
     translateY(-100%) fails or stacks badly. Nav stays below .header__brand in z-order. */
  .header__brand {
    flex: 1;
    min-width: 0;
  }

  .nav {
    position: fixed;
    top: calc(var(--header-height) + env(safe-area-inset-top, 0px));
    left: 0;
    right: 0;
    background-color: var(--color-surface);
    box-shadow: var(--shadow-lg);
    transform: translate3d(0, -100vh, 0);
    transition: transform var(--transition);
    z-index: 1001;
    pointer-events: none;
    will-change: transform;
  }

  .nav--open {
    transform: translate3d(0, 0, 0);
    pointer-events: auto;
  }

  .nav__list {
    flex-direction: column;
    padding: 1.5rem;
    gap: 0;
  }

  .nav__list li {
    width: 100%;
  }

  .nav__link,
  .nav__cta {
    display: block;
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--color-bg-alt);
  }

  .nav__toggle {
    display: block;
  }

  .nav__toggle--open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
  }

  .nav__toggle--open span:nth-child(2) {
    opacity: 0;
  }

  .nav__toggle--open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
  }

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

  .process {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .service-boxes {
    grid-template-columns: 1fr;
  }

  .before-after {
    grid-template-columns: 1fr;
  }

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

  .contact-cards {
    grid-template-columns: 1fr;
  }

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

  .trust-cards {
    grid-template-columns: 1fr;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hero__buttons {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.8rem; }
  .container { padding: 0 1rem; }
}