/* =====================================================
   SIMON H.J. BJØRKÅ FLATIN — Shared Styles
   ===================================================== */

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

:root {
  --cream:  #f7f7f6;
  --dark:   #1c1c1a;
  --muted:  #6b6860;
  --accent: #3d3b35;
  --serif:  'Georgia', serif;
  --sans:   'Helvetica Neue', Helvetica, Arial, sans-serif;
}

html { scroll-behavior: smooth; }
body { background: var(--cream); color: var(--dark); font-family: var(--sans); }

/* ---- NAV ---- */
nav {
  padding: 2rem 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  z-index: 10;
}

/* Hero mode: overlaid on full-screen image */
nav.nav--hero {
  position: absolute;
  top: 0; left: 0; right: 0;
}

/* Page mode: sits on cream background */
nav.nav--page {
  position: relative;
  background: var(--cream);
  border-bottom: 1px solid rgba(28,28,26,0.1);
  padding: 1.6rem 3rem;
}

.nav__name {
  font-family: var(--serif);
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  font-weight: 400;
  letter-spacing: 0.04em;
  text-decoration: none;
}

nav.nav--hero .nav__name  { color: #fff; text-shadow: 0 1px 12px rgba(0,0,0,0.35); }
nav.nav--page .nav__name  { color: var(--dark); }

/* Nav link row: links + lang toggle side by side */
.nav__link-row {
  display: flex;
  align-items: center;
  gap: 0;
}

.nav__links { display: flex; gap: 2.5rem; list-style: none; }
.nav__links a {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
  display: inline-block;
  transition: color 0.2s, transform 0.18s, letter-spacing 0.18s;
}
nav.nav--hero .nav__links a       { color: rgba(255,255,255,0.85); }
nav.nav--hero .nav__links a:hover { color: #fff; transform: scale(1.1); letter-spacing: 0.22em; }
nav.nav--page .nav__links a       { color: var(--muted); }
nav.nav--page .nav__links a:hover { color: var(--dark); transform: scale(1.1); letter-spacing: 0.22em; }

/* Language toggle — three clickable buttons */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-left: 2.5rem;
  padding-left: 2rem;
  border-left: 1px solid rgba(28,28,26,0.15);
}
.lang-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  padding: 0;
  font-family: var(--sans);
  transition: color 0.2s;
}
.lang-sep {
  font-size: 0.55rem;
  opacity: 0.35;
}
nav.nav--page .lang-btn              { color: var(--muted); }
nav.nav--page .lang-btn:hover,
nav.nav--page .lang-btn.active       { color: var(--dark); }
nav.nav--hero .lang-toggle           { border-left-color: rgba(255,255,255,0.3); }
nav.nav--hero .lang-btn              { color: rgba(255,255,255,0.65); }
nav.nav--hero .lang-btn:hover,
nav.nav--hero .lang-btn.active       { color: #fff; }
nav.nav--hero .lang-sep              { color: rgba(255,255,255,0.4); opacity: 1; }

/* ---- HERO SCROLL CUE ---- */
.hero__scroll-cue {
  position: absolute; bottom: 2.2rem; left: 50%;
  transform: translateX(-50%); display: flex; flex-direction: column;
  align-items: center; gap: 0.6rem; color: rgba(255,255,255,0.65);
  font-size: 0.65rem; letter-spacing: 0.2em; text-transform: uppercase;
}
/* Wrapper bounces straight down; arrow stays rotated */
.hero__scroll-arrow-wrap {
  display: block;
  animation: scrollBounce 2s ease-in-out infinite;
}
.hero__scroll-arrow {
  display: block;
  width: 10px; height: 10px;
  border-right: 1.5px solid rgba(255,255,255,0.7);
  border-bottom: 1.5px solid rgba(255,255,255,0.7);
  transform: rotate(45deg);
}
@keyframes scrollBounce {
  0%, 100% { transform: translateY(0);   opacity: 0.55; }
  50%       { transform: translateY(5px); opacity: 1; }
}

/* ---- PROJECT CARDS ---- */
.projects {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.5rem;
}
.card {
  overflow: hidden;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: block;
}
.card--large  { grid-column: span 7; }
.card--medium { grid-column: span 5; }
.card--wide   { grid-column: span 6; }
.card--third  { grid-column: span 4; }

.card__img-wrap { width: 100%; overflow: hidden; }
.card--large  .card__img-wrap { aspect-ratio: 4/3; }
.card--medium .card__img-wrap { aspect-ratio: 3/4; }
.card--wide   .card__img-wrap { aspect-ratio: 16/9; }
.card--third  .card__img-wrap { aspect-ratio: 4/3; }

.card__img-wrap img,
.card__placeholder {
  width: 100%; height: 100%;
  object-fit: cover; display: block;
  transition: transform 0.6s cubic-bezier(0.25,0.46,0.45,0.94);
}
.card:hover .card__img-wrap img,
.card:hover .card__placeholder { transform: scale(1.04); }

.card__info   { padding: 1rem 0 0.4rem; }
.card__category {
  font-size: 0.68rem; font-weight: 700;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 0.35rem;
}
.card__name {
  font-family: var(--serif);
  font-size: clamp(1.1rem, 1.8vw, 1.45rem);
  font-weight: 400; color: var(--dark); line-height: 1.25;
}
.card__year { font-size: 0.72rem; color: var(--muted); margin-top: 0.25rem; }
.card__arrow {
  display: inline-block; margin-top: 0.6rem;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em;
  color: var(--accent); opacity: 0;
  transform: translateX(-6px);
  transition: opacity 0.25s, transform 0.25s;
}
.card:hover .card__arrow { opacity: 1; transform: translateX(0); }

/* ---- FOOTER ---- */
footer {
  background: var(--cream);
  color: var(--muted);
  border-top: 1px solid rgba(28,28,26,0.1);
  padding: 1.5rem 4rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  margin-top: 5rem;
}
footer a { color: var(--muted); text-decoration: none; transition: color 0.2s; }
footer a:hover { color: var(--dark); }
.footer__links { display: flex; gap: 2rem; }

/* ---- PAGE SECTIONS ---- */
.page-section {
  max-width: 1400px;
  margin: 0 auto;
  padding: 5rem 4rem 0;
}
.page-section + .page-section { padding-top: 3rem; }

.section-header {
  display: flex;
  align-items: baseline;
  gap: 1.4rem;
  margin-bottom: 3.5rem;
}
.section-label {
  font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--muted);
}
.section-title {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400; color: var(--dark);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  nav, nav.nav--page { padding: 1.5rem; }
  .nav__links { gap: 1.5rem; }
  .page-section { padding: 3rem 1.5rem 0; }
  .projects { grid-template-columns: 1fr; gap: 2.5rem; }
  .card--large, .card--medium, .card--wide, .card--third { grid-column: span 1; }
  .card--medium .card__img-wrap { aspect-ratio: 4/3; }
  footer { flex-direction: column; text-align: center; padding: 1.5rem; margin-top: 3rem; }
  .lang-toggle { margin-left: 1.5rem; padding-left: 1.2rem; }
}

/* Mobile nav: break into rows — links row + language row */
@media (max-width: 660px) {
  nav, nav.nav--page { padding: 1.2rem 1.2rem 1rem; gap: 0.5rem; }
  .nav__link-row {
    flex-direction: column;
    align-items: center;
    gap: 0.55rem;
    width: 100%;
  }
  .nav__links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.35rem 1.1rem;
  }
  .nav__links a { font-size: 0.72rem; letter-spacing: 0.13em; }
  .lang-toggle {
    margin-left: 0;
    padding-left: 0;
    border-left: none;
    border-top: 1px solid rgba(28,28,26,0.12);
    padding-top: 0.5rem;
    width: 100%;
    justify-content: center;
  }
  nav.nav--hero .lang-toggle { border-top-color: rgba(255,255,255,0.2); border-left: none; }
}

@media (max-width: 400px) {
  .nav__name { font-size: 1.05rem; }
  .nav__links a { font-size: 0.66rem; letter-spacing: 0.1em; }
}