/* ===== CSS Variables ===== */
:root {
  --color-bg: #f8f6f3;
  --color-bg-alt: #ffffff;
  --color-text: #2c2c2c;
  --color-text-muted: #5a5a5a;
  --color-accent: #3a7d6e;
  --color-accent-dark: #2d6358;
  --color-accent-light: #e8f2ef;
  --color-border: #e2ddd7;
  --color-card-bg: #ffffff;
  --color-hero-bg: #2c3e3a;
  --color-hero-text: #f8f6f3;
  --color-cta-bg: #3a7d6e;
  --color-cta-text: #ffffff;
  --color-footer-bg: #1e2a27;
  --color-footer-text: #c5c5c5;

  --font-heading: 'DM Serif Display', Georgia, serif;
  --font-body: 'Source Sans 3', 'Segoe UI', sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 3rem;
  --space-xl: 5rem;
  --space-2xl: 7rem;

  --max-width: 72rem;
  --radius: 6px;
  --radius-lg: 12px;
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--color-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-accent-dark); }
ul { list-style: none; }

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

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(248, 246, 243, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition), box-shadow var(--transition);
}

.nav--scrolled {
  box-shadow: 0 1px 8px rgba(0,0,0,0.06);
}

.nav__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

.nav__logo {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--color-text);
  white-space: nowrap;
}
.nav__logo:hover { color: var(--color-accent); }

.nav__links {
  display: flex;
  gap: 1.75rem;
}

.nav__links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition);
  white-space: nowrap;
}
.nav__links a:hover,
.nav__links a.active {
  color: var(--color-accent);
}

.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 2rem;
  height: 2rem;
  position: relative;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}

.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav__toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav__toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===== Hero ===== */
.hero {
  background: var(--color-hero-bg);
  color: var(--color-hero-text);
  padding: calc(var(--space-2xl) + 4rem) 0 var(--space-2xl);
  min-height: 70vh;
  display: flex;
  align-items: center;
}

.hero__label {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  margin-bottom: var(--space-sm);
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  line-height: 1.15;
  max-width: 48rem;
  margin-bottom: var(--space-md);
}

.hero__subtitle {
  font-size: 1.2rem;
  line-height: 1.65;
  max-width: 40rem;
  color: rgba(255,255,255,0.78);
  margin-bottom: var(--space-lg);
}

.hero__actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 0.8rem 1.8rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
}

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

.btn--outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.4);
}
.btn--outline:hover {
  border-color: #fff;
  color: #fff;
}

/* ===== Sections ===== */
.section {
  padding: var(--space-2xl) 0;
}

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

.section__header {
  margin-bottom: var(--space-lg);
}

.section__header h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  line-height: 1.2;
  margin-bottom: var(--space-sm);
}

.section__header h3 {
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  line-height: 1.25;
  margin-bottom: var(--space-xs);
}

.section__lead {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 50rem;
  line-height: 1.7;
}

/* ===== Content blocks ===== */
.content-block {
  max-width: 50rem;
  margin-bottom: var(--space-lg);
}

.content-block p + p {
  margin-top: var(--space-sm);
}

.note {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  border-left: 3px solid var(--color-accent);
  padding-left: var(--space-md);
  margin-top: var(--space-lg);
  max-width: 50rem;
}

/* ===== Card Grid ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-md);
}

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

.card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}

.card h3,
.card h4 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.card p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.card--accent {
  background: var(--color-accent-light);
  border-color: transparent;
}

.card--bordered {
  border-left: 3px solid var(--color-accent);
}

/* ===== Two Column ===== */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.two-col__item h3,
.two-col__item h4 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}

.two-col__item ul {
  list-style: disc;
  padding-left: 1.25rem;
}

.two-col__item li {
  margin-bottom: 0.4rem;
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

/* ===== Highlight Box ===== */
.highlight-box {
  background: var(--color-accent-light);
  border-radius: var(--radius-lg);
  padding: var(--space-md) var(--space-lg);
  margin: var(--space-lg) 0;
  max-width: 50rem;
}

.highlight-box h3,
.highlight-box h4 {
  font-family: var(--font-heading);
  margin-bottom: 0.75rem;
}

.highlight-box p + p {
  margin-top: var(--space-sm);
}

.highlight-box--soft {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
}

/* ===== Stats ===== */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.stat {
  text-align: center;
  padding: var(--space-md);
}

.stat__number {
  display: block;
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  color: var(--color-accent);
  line-height: 1.1;
}

.stat__label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
  margin-top: 0.25rem;
  margin-bottom: 0.5rem;
}

.stat__desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ===== Illustration ===== */
.illustration {
  margin: var(--space-md) 0 var(--space-lg);
  max-width: 48rem;
}

.illustration img {
  width: 100%;
  height: auto;
}

.illustration--wide {
  max-width: 56rem;
}

/* ===== Zones ===== */
.zones {
  display: grid;
  gap: var(--space-sm);
  margin: var(--space-md) 0 var(--space-lg);
}

.zone {
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  border-left: 4px solid;
}

.zone h4 {
  font-family: var(--font-heading);
  margin-bottom: 0.5rem;
}

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

.zone--red {
  background: #fdf2f2;
  border-color: #c0392b;
}
.zone--red h4 { color: #c0392b; }

.zone--yellow {
  background: #fefbf0;
  border-color: #d4a017;
}
.zone--yellow h4 { color: #b8860b; }

.zone--green {
  background: #f0f9f4;
  border-color: #27ae60;
}
.zone--green h4 { color: #27ae60; }

.zone--blue {
  background: #f0f4f8;
  border-color: #2980b9;
}
.zone--blue h4 { color: #2980b9; }

/* ===== Feature List ===== */
.feature-list {
  display: grid;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.feature {
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
}

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

.feature h4 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
  color: var(--color-accent-dark);
}

.feature p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ===== Steps ===== */
.steps {
  display: grid;
  gap: var(--space-sm);
  margin: var(--space-md) 0;
}

.step {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
  padding: var(--space-md);
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

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

.steps--accent .step {
  background: var(--color-accent-light);
  border-color: transparent;
}

.step__num {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent);
  color: #fff;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  border-radius: 50%;
}

.step h4 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  margin-bottom: 0.3rem;
}

.step p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ===== Resource blocks ===== */
.resource-block {
  margin-bottom: var(--space-xl);
}

.resource-block > h3 {
  font-family: var(--font-heading);
  font-size: clamp(1.3rem, 2vw, 1.7rem);
  margin-bottom: 0.75rem;
}

.resource-block > p {
  max-width: 50rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

/* ===== Collaboration Grid ===== */
.collab-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.collab-item {
  background: var(--color-bg);
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  text-align: center;
}

.collab-item h4 {
  font-family: var(--font-heading);
  margin-bottom: 0.4rem;
  color: var(--color-accent-dark);
}

.collab-item p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* ===== Summary / CTA ===== */
.section--cta {
  background: var(--color-cta-bg);
  color: var(--color-cta-text);
}

.section--cta .section__lead {
  color: rgba(255,255,255,0.8);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.summary-item {
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
}

.summary-item__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

.summary-item h4 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
}

.summary-item p {
  font-size: 0.9rem;
  opacity: 0.85;
  line-height: 1.55;
}

.cta-note {
  margin-top: var(--space-lg);
  font-size: 1.15rem;
  text-align: center;
  opacity: 0.85;
  max-width: 40rem;
  margin-left: auto;
  margin-right: auto;
}

/* ===== Inline referanser ===== */
sup {
  font-size: 0.7em;
  color: var(--color-accent);
  font-weight: 500;
  line-height: 0;
}

/* ===== Referanseliste ===== */
.ref-list {
  list-style: decimal;
  padding-left: 2.5rem;
  max-width: 54rem;
}

.ref-list li {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--color-text-muted);
  margin-bottom: 0.6rem;
  padding-left: 0.25rem;
}

.ref-list li em {
  color: var(--color-text);
}

/* ===== Footer ===== */
.footer {
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
  padding: var(--space-xl) 0 var(--space-md);
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 2fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer h4 {
  font-family: var(--font-heading);
  color: #fff;
  font-size: 1.1rem;
  margin-bottom: var(--space-sm);
}

.footer p {
  font-size: 0.9rem;
  line-height: 1.6;
}

.footer ul {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer a {
  color: var(--color-footer-text);
  font-size: 0.9rem;
}
.footer a:hover { color: #fff; }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--space-md);
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.6;
}

/* ===== Animations ===== */
.anim-fade,
.anim-slide {
  opacity: 0;
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.anim-fade {
  transform: translateY(12px);
}

.anim-slide {
  transform: translateY(24px);
}

.anim-fade.visible,
.anim-slide.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger hero animations */
.hero .anim-fade:nth-child(1) { transition-delay: 0.1s; }
.hero .anim-fade:nth-child(2) { transition-delay: 0.25s; }
.hero .anim-fade:nth-child(3) { transition-delay: 0.4s; }
.hero .anim-fade:nth-child(4) { transition-delay: 0.55s; }

/* ===== Responsive ===== */
@media (max-width: 64rem) {
  .card-grid--three {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

@media (max-width: 48rem) {
  .nav__toggle {
    display: flex;
  }

  .nav__links {
    display: none;
    position: absolute;
    top: 4rem;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    padding: var(--space-sm) 1.5rem var(--space-md);
    gap: 0;
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  }

  .nav__links.open {
    display: flex;
  }

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

  .hero {
    padding: calc(var(--space-xl) + 4rem) 0 var(--space-xl);
    min-height: auto;
  }

  .hero__title {
    font-size: clamp(1.8rem, 7vw, 2.6rem);
  }

  .section {
    padding: var(--space-xl) 0;
  }

  .card-grid,
  .card-grid--three {
    grid-template-columns: 1fr;
  }

  .two-col {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

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

  .footer__inner {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .step {
    flex-direction: column;
    gap: var(--space-sm);
  }
}

@media (max-width: 30rem) {
  .hero__actions {
    flex-direction: column;
  }

  .btn {
    text-align: center;
    width: 100%;
  }
}