/* Valentins Flygtekniska — statisk version */
/* Palett: ljusblå himmel, marinblå, benvit, signalorange (60-tals flygaffisch) */

:root {
  --sky: #b9d2e4;
  --navy: #14213b;
  --ivory: #f3efe4;
  --signal: #e08a3c;
  --navy-line: rgba(20, 33, 59, 0.28);
  --ivory-line: rgba(243, 239, 228, 0.28);
  --font-display: "Archivo", sans-serif;
  --font-body: "IBM Plex Sans", sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--sky);
  color: var(--navy);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

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

.display {
  font-family: var(--font-display);
  font-weight: 900;
}

.kicker {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.kicker-signal {
  color: var(--signal);
}

/* Filmbrus över hela sidan */
.poster {
  min-height: 100vh;
  overflow: hidden;
  position: relative;
}

.poster::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 50;
  pointer-events: none;
  opacity: 0.055;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.65'/%3E%3C/svg%3E");
}

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

.site-header {
  position: relative;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 5rem;
  padding: 0 1.25rem;
  border-bottom: 1px solid var(--navy-line);
}

.brand {
  font-family: var(--font-display);
  font-weight: 900;
  text-transform: uppercase;
  font-size: 0.875rem;
  line-height: 0.95;
  max-width: 12rem;
}

.main-nav {
  display: none;
  gap: 2.25rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.main-nav a {
  transition: color 150ms;
}

.main-nav a:hover {
  color: var(--signal);
}

.header-tag {
  text-align: right;
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  line-height: 1.25;
}

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

.hero {
  display: grid;
  grid-template-rows: 1fr auto;
  min-height: calc(100svh - 5rem);
}

.hero-image {
  position: relative;
  min-height: 46vh;
  overflow: hidden;
  border-bottom: 1px solid var(--navy-line);
}

.hero-image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-label-tl {
  position: absolute;
  left: 1.25rem;
  top: 1.25rem;
  border-left: 2px solid var(--navy);
  padding-left: 0.75rem;
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  line-height: 1.6;
}

.hero-label-br {
  position: absolute;
  bottom: 1.25rem;
  right: 1.25rem;
  text-align: right;
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
}

.hero-panel {
  display: grid;
  background: var(--navy);
  color: var(--ivory);
}

.hero-panel-left {
  border-bottom: 1px solid var(--ivory-line);
  padding: 2rem 1.25rem;
}

.hero-title {
  margin-top: 0.75rem;
  max-width: 64rem;
  font-size: clamp(2.6rem, 5.8vw, 6.6rem);
  text-transform: uppercase;
  line-height: 0.85;
}

.hero-panel-right {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 2rem;
  padding: 2rem 1.25rem;
}

.hero-lead {
  max-width: 28rem;
  font-size: 1rem;
  line-height: 1.6;
  color: rgba(243, 239, 228, 0.78);
}

.hero-cta {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(243, 239, 228, 0.3);
  padding-top: 1rem;
  font-size: 0.875rem;
  text-transform: uppercase;
  color: var(--signal);
  transition: color 150ms;
}

.hero-cta:hover {
  color: var(--ivory);
}

/* ---------- Teknik ---------- */

.section-teknik {
  display: grid;
  border-bottom: 1px solid var(--navy-line);
}

.teknik-number {
  display: flex;
  min-height: 10rem;
  align-items: flex-end;
  border-bottom: 1px solid var(--navy-line);
  background: var(--ivory);
  padding: 1.25rem;
}

.big-number {
  font-size: 3.75rem;
  color: var(--signal);
  line-height: 1;
}

.teknik-body {
  background: var(--sky);
  padding: 3.5rem 1.25rem;
}

.teknik-title {
  margin-top: 1.75rem;
  max-width: 56rem;
  font-size: 2.25rem;
  text-transform: uppercase;
  line-height: 0.92;
}

.teknik-grid {
  margin-top: 3rem;
  display: grid;
  gap: 1px;
  border: 1px solid var(--navy-line);
  background: var(--navy-line);
}

.teknik-card {
  background: var(--sky);
  padding: 1.5rem;
}

.card-number {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--signal);
}

.card-title {
  margin-top: 2.5rem;
  font-size: 1.5rem;
  text-transform: uppercase;
}

.card-text {
  margin-top: 1rem;
  max-width: 20rem;
  font-size: 0.875rem;
  line-height: 1.6;
  color: rgba(20, 33, 59, 0.7);
}

/* ---------- Delade sektioner (Perspektiv / Aquawing) ---------- */

.section-split {
  display: grid;
}

.section-ivory {
  background: var(--ivory);
}

.section-navy {
  background: var(--navy);
  color: var(--ivory);
}

.section-ivory .split-left {
  border-bottom: 1px solid var(--navy-line);
  padding: 4rem 1.25rem;
}

.section-navy .split-left {
  border-bottom: 1px solid var(--ivory-line);
  padding: 4rem 1.25rem;
}

.split-title {
  margin-top: 2rem;
  max-width: 36rem;
  font-size: 2.25rem;
  text-transform: uppercase;
  line-height: 0.9;
}

.aquawing-title {
  margin-top: 2rem;
  font-size: 3rem;
  text-transform: uppercase;
  line-height: 0.9;
}

.split-right {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 5rem;
  padding: 4rem 1.25rem;
}

.split-lead {
  max-width: 36rem;
  font-size: 1.25rem;
  line-height: 1.6;
}

.split-foot {
  border-top: 1px solid var(--navy-line);
  padding-top: 1.25rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.section-navy .split-foot {
  border-top-color: rgba(243, 239, 228, 0.3);
}

/* ---------- Kontakt ---------- */

.section-kontakt {
  background: var(--signal);
  color: var(--navy);
  padding: 4rem 1.25rem;
}

.kontakt-row {
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.kontakt-title {
  max-width: 56rem;
  font-size: 3rem;
  text-transform: uppercase;
  line-height: 0.88;
}

.kontakt-adress {
  max-width: 20rem;
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.6;
}

.kontakt-knapp {
  margin-top: 3rem;
  display: inline-flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  border: 2px solid var(--navy);
  padding: 1.25rem 1.5rem;
  font-size: 0.875rem;
  text-transform: uppercase;
  transition: background-color 150ms, color 150ms;
}

.kontakt-knapp:hover {
  background: var(--navy);
  color: var(--signal);
}

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

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  background: var(--navy);
  padding: 1.5rem 1.25rem;
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  color: rgba(243, 239, 228, 0.65);
}

/* ---------- Desktop ---------- */

@media (min-width: 768px) {
  .site-header {
    height: 6rem;
    padding: 0 2.5rem;
  }

  .brand {
    font-size: 1rem;
    max-width: none;
  }

  .brand-break {
    display: none;
  }

  .main-nav {
    display: flex;
  }

  .header-tag {
    font-size: 0.75rem;
  }

  .hero {
    min-height: calc(100svh - 6rem);
  }

  .hero-image {
    min-height: 64vh;
  }

  .hero-label-tl {
    left: 2.5rem;
    top: 2rem;
    font-size: 0.75rem;
  }

  .hero-label-br {
    bottom: 2rem;
    right: 2.5rem;
    font-size: 0.75rem;
  }

  .hero-panel {
    grid-template-columns: 1.5fr 1fr;
  }

  .hero-panel-left {
    border-bottom: 0;
    border-right: 1px solid var(--ivory-line);
    padding: 2.5rem;
  }

  .hero-panel-right {
    padding: 2.5rem;
  }

  .hero-lead {
    font-size: 1.125rem;
  }

  .section-teknik {
    grid-template-columns: 0.55fr 1.45fr;
  }

  .teknik-number {
    min-height: 20rem;
    border-bottom: 0;
    border-right: 1px solid var(--navy-line);
    padding: 2.5rem;
  }

  .big-number {
    font-size: 6rem;
  }

  .teknik-body {
    padding: 6rem 2.5rem;
  }

  .teknik-title {
    font-size: 4.5rem;
  }

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

  .teknik-card {
    min-height: 16rem;
  }

  .section-split {
    grid-template-columns: 1fr 1fr;
  }

  .section-ivory .split-left {
    border-bottom: 0;
    border-right: 1px solid var(--navy-line);
    padding: 6rem 2.5rem;
  }

  .section-navy .split-left {
    border-bottom: 0;
    border-right: 1px solid var(--ivory-line);
    padding: 6rem 2.5rem;
  }

  .split-title {
    font-size: 3.75rem;
  }

  .aquawing-title {
    font-size: 6rem;
  }

  .split-right {
    gap: 4rem;
    padding: 6rem 2.5rem;
  }

  .split-lead {
    font-size: 1.875rem;
    line-height: 1.35;
  }

  .section-kontakt {
    padding: 6rem 2.5rem;
  }

  .kontakt-row {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }

  .kontakt-title {
    font-size: 6rem;
  }

  .kontakt-knapp {
    width: auto;
    padding: 1.5rem 2.5rem;
    font-size: 1.125rem;
  }

  .site-footer {
    padding: 1.5rem 2.5rem;
  }
}

/* ---------- Entréanimation ---------- */

@media (prefers-reduced-motion: no-preference) {
  @keyframes formation-rise {
    from {
      opacity: 0;
      transform: translateY(18px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .hero-image img {
    animation: formation-rise 900ms cubic-bezier(0.2, 0.7, 0.2, 1) both;
  }
}