/* ============================================================
   ARK7 — Arkkitehtitoimisto
   Editorial / architectural. Inter Tight + Instrument Serif.
   ============================================================ */

:root {
  --bg:        #f3f1ec;   /* warm bone */
  --bg-2:      #ebe8e1;   /* slightly deeper */
  --paper:     #ffffff;
  --ink:       #15140f;   /* near-black, warm */
  --ink-soft:  #46443c;
  --muted:     #84806f;   /* warm grey */
  --line:      rgba(21,20,15,.14);
  --line-soft: rgba(21,20,15,.08);
  --dark:      #15140f;
  --dark-2:    #1d1c16;
  --on-dark:   #efece3;
  --on-dark-mut:#8e8a7c;

  --ff-display: "Inter Tight", system-ui, sans-serif;
  --ff-body:    "Inter", system-ui, sans-serif;
  --ff-serif:   "Instrument Serif", Georgia, serif;

  --pad: clamp(1.25rem, 4vw, 4.5rem);
  --maxw: 1680px;

  --ease: cubic-bezier(.22,1,.36,1);
  --ease-2: cubic-bezier(.65,.05,.36,1);
}

/* ---------- Reset ---------- */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-stopped { overflow: hidden; }

body {
  font-family: var(--ff-body);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { display: block; width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
em { font-style: normal; }

::selection { background: var(--ink); color: var(--bg); }

/* ---------- Type primitives ---------- */
.micro {
  font-family: var(--ff-body);
  font-size: clamp(.62rem, .72vw, .72rem);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .18em;
  color: var(--muted);
}

.section-tag {
  display: inline-flex; align-items: center; gap: .7em;
  color: var(--ink-soft);
}
.section-tag i { font-style: normal; color: var(--muted); }
.section-tag--light { color: var(--on-dark-mut); }
.section-tag--light i { color: var(--on-dark-mut); }

/* ============================================================
   LOADER
   ============================================================ */
.loader {
  position: fixed; inset: 0; z-index: 200;
  background: var(--dark);
  color: var(--on-dark);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: var(--pad);
}
.loader__inner {
  display: flex; align-items: flex-end; justify-content: space-between;
  width: 100%; gap: 2rem;
}
.loader__mark {
  font-family: var(--ff-display);
  font-weight: 600;
  font-size: clamp(3rem, 11vw, 9rem);
  line-height: .85;
  letter-spacing: -.04em;
  display: flex; align-items: baseline;
}
.loader__seven { color: var(--on-dark-mut); }
.loader__meta { text-align: right; display: flex; flex-direction: column; gap: .4rem; }
.loader__count {
  font-family: var(--ff-display);
  font-size: clamp(1.4rem,3vw,2.2rem); font-weight: 500;
  letter-spacing: -.02em;
}
.loader__label { font-size: .7rem; letter-spacing: .16em; text-transform: uppercase; color: var(--on-dark-mut); }
.loader__bar { margin-top: 1.4rem; height: 1px; width: 100%; background: rgba(239,236,227,.16); }
.loader__bar-fill { display: block; height: 100%; width: 0%; background: var(--on-dark); }
body.loaded .loader { pointer-events: none; }

/* ============================================================
   CURSOR
   ============================================================ */
.cursor {
  position: fixed; top: 0; left: 0; z-index: 190;
  pointer-events: none; mix-blend-mode: difference;
  transform: translate(-50%,-50%);
  display: grid; place-items: center;
}
.cursor__dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: #fff;
  transition: width .35s var(--ease), height .35s var(--ease);
}
.cursor__label {
  position: absolute;
  font-family: var(--ff-body); font-size: .6rem; font-weight: 500;
  letter-spacing: .14em; text-transform: uppercase; color: #15140f;
  opacity: 0; transition: opacity .3s ease;
}
.cursor.is-view .cursor__dot { width: 86px; height: 86px; background: #efece3; }
.cursor.is-view .cursor__label { opacity: 1; mix-blend-mode: normal; }
.cursor.is-hide { opacity: 0; }
@media (hover: none) { .cursor { display: none; } }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: clamp(1rem,2vw,1.7rem) var(--pad);
  color: var(--on-dark);
  transition: color .5s var(--ease), padding .5s var(--ease);
  mix-blend-mode: difference;
}
.nav__brand {
  font-family: var(--ff-display); font-weight: 600;
  font-size: clamp(1.4rem,2vw,1.7rem); letter-spacing: -.03em;
  line-height: 1; display: flex; align-items: baseline;
}
.nav__ark { color: currentColor; }
.nav__seven { opacity: .55; }
.nav__links { display: flex; gap: clamp(1.2rem,2.4vw,2.6rem); }
.nav__link {
  font-size: .82rem; font-weight: 500; letter-spacing: .01em;
  position: relative; overflow: hidden; display: inline-block; padding: .15em 0;
}
.nav__link span { display: inline-block; transition: transform .5s var(--ease); }
.nav__link::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 1px;
  background: currentColor; transform: scaleX(0); transform-origin: right;
  transition: transform .5s var(--ease);
}
.nav__link:hover::after { transform: scaleX(1); transform-origin: left; }
.nav__right { display: flex; align-items: center; gap: 1.4rem; }
.nav__lang { display: flex; gap: .35em; font-size: .76rem; font-weight: 500; letter-spacing: .08em; }
.nav__lang a[aria-current] { opacity: 1; }
.nav__lang a:not([aria-current]) { opacity: .5; }
.nav__lang span { opacity: .4; }

.nav__burger { display: none; background: none; border: 0; cursor: pointer; width: 30px; height: 16px; position: relative; }
.nav__burger span { position: absolute; left: 0; width: 100%; height: 1.5px; background: currentColor; transition: transform .4s var(--ease), opacity .3s ease; }
.nav__burger span:nth-child(1) { top: 3px; }
.nav__burger span:nth-child(2) { bottom: 3px; }
body.menu-open .nav__burger span:nth-child(1) { transform: translateY(4.5px) rotate(45deg); }
body.menu-open .nav__burger span:nth-child(2) { transform: translateY(-4.5px) rotate(-45deg); }

/* ============================================================
   MOBILE MENU
   ============================================================ */
.menu {
  position: fixed; inset: 0; z-index: 90;
  background: var(--dark); color: var(--on-dark);
  padding: clamp(6rem,16vh,9rem) var(--pad) var(--pad);
  display: flex; flex-direction: column; justify-content: space-between;
  clip-path: inset(0 0 100% 0);
  transition: clip-path .8s var(--ease);
  pointer-events: none;
}
body.menu-open .menu { clip-path: inset(0 0 0% 0); pointer-events: auto; }
.menu__nav { display: flex; flex-direction: column; }
.menu__link {
  display: flex; align-items: baseline; gap: 1rem;
  font-family: var(--ff-display); font-weight: 500;
  font-size: clamp(2.4rem,11vw,4.5rem); letter-spacing: -.03em; line-height: 1.15;
  border-bottom: 1px solid rgba(239,236,227,.14); padding: .35em 0;
}
.menu__link i { font-style: normal; font-family: var(--ff-body); font-size: .8rem; letter-spacing: .14em; color: var(--on-dark-mut); }
.menu__foot { display: flex; flex-direction: column; gap: .4rem; font-size: .85rem; color: var(--on-dark-mut); }

/* ============================================================
   GRAIN  +  HERO
   ============================================================ */
.grain {
  position: absolute; inset: -50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity: .045; pointer-events: none; mix-blend-mode: overlay;
}

.hero {
  position: relative; height: 100svh; min-height: 600px;
  overflow: hidden; color: var(--on-dark);
  display: flex; flex-direction: column;
}
.hero__media { position: absolute; inset: 0; z-index: -1; overflow: hidden; }
.hero__img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; will-change: transform; transform: scale(1.18);
}
.hero__scrim {
  position: absolute; inset: 0;
  background:
    linear-gradient(to top, rgba(10,9,6,.62) 0%, rgba(10,9,6,.05) 38%, rgba(10,9,6,0) 60%),
    linear-gradient(to bottom, rgba(10,9,6,.34) 0%, rgba(10,9,6,0) 28%),
    linear-gradient(to right, rgba(10,9,6,.28) 0%, rgba(10,9,6,0) 45%);
}

.hero__top {
  display: flex; justify-content: space-between;
  padding: clamp(5rem,11vh,8rem) var(--pad) 0;
}
.hero__top .micro { color: rgba(239,236,227,.72); }

.hero__content {
  margin-top: auto;
  padding: 0 var(--pad);
}
.hero__eyebrow { color: rgba(239,236,227,.8); margin-bottom: 1.1rem; }
.hero__title {
  font-family: var(--ff-display); font-weight: 500;
  font-size: clamp(2.7rem, 9.2vw, 9.5rem);
  line-height: .92; letter-spacing: -.045em;
  max-width: 16ch;
}
.hero__title .line { display: block; overflow: hidden; }
.hero__title .line > span { display: block; }
.hero__title em { font-family: var(--ff-serif); font-style: italic; font-weight: 400; letter-spacing: -.01em; }

.hero__foot {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 2rem; padding: 2.2rem var(--pad) clamp(1.6rem,4vh,2.6rem);
  flex-wrap: wrap;
}
.hero__values {
  display: flex; align-items: center; gap: .9em; flex-wrap: wrap;
  font-family: var(--ff-display); font-size: clamp(.85rem,1.1vw,1.05rem);
  font-weight: 500; letter-spacing: -.01em; color: var(--on-dark);
}
.hero__values i { color: var(--on-dark-mut); font-style: normal; }
.hero__credit { color: rgba(239,236,227,.66); }

.hero__scroll {
  display: flex; flex-direction: column; align-items: center; gap: .8rem;
  font-size: .68rem; letter-spacing: .16em; text-transform: uppercase;
  color: rgba(239,236,227,.8);
}
.hero__scroll-line { width: 1px; height: 46px; background: rgba(239,236,227,.3); position: relative; overflow: hidden; }
.hero__scroll-line span { position: absolute; top: -100%; left: 0; width: 100%; height: 100%; background: var(--on-dark); animation: scrolldn 2.2s var(--ease) infinite; }
@keyframes scrolldn { 0%{ transform: translateY(0);} 60%,100%{ transform: translateY(220%);} }

/* ============================================================
   TICKER
   ============================================================ */
.ticker {
  background: var(--ink); color: var(--bg);
  overflow: hidden; padding: .95rem 0;
  border-top: 1px solid var(--ink);
}
.ticker__track {
  display: inline-flex; align-items: center; gap: 1.4rem; white-space: nowrap;
  will-change: transform;
  font-family: var(--ff-display); font-weight: 400;
  font-size: clamp(.95rem,1.5vw,1.25rem); letter-spacing: -.01em;
}
.ticker__track i { color: var(--muted); font-style: normal; font-size: .7em; }

/* ============================================================
   MANIFESTO
   ============================================================ */
.manifesto {
  position: relative; overflow: hidden;
  padding: clamp(6rem,16vh,12rem) var(--pad);
}
.manifesto__plan {
  position: absolute; right: -8%; top: 50%; width: min(48vw, 760px);
  transform: translateY(-50%); opacity: .10; pointer-events: none;
  mix-blend-mode: multiply; will-change: transform;
}
.manifesto__inner { position: relative; max-width: var(--maxw); margin: 0 auto; }
.section-tag { margin-bottom: clamp(2rem,5vh,3.4rem); }
.manifesto__lead {
  font-family: var(--ff-display); font-weight: 400;
  font-size: clamp(1.9rem, 4.6vw, 4.6rem);
  line-height: 1.04; letter-spacing: -.035em;
  max-width: 20ch;
}
.manifesto__lead em { font-family: var(--ff-serif); font-style: italic; }
.manifesto__body {
  margin-top: clamp(2.6rem,6vh,4.4rem);
  margin-left: auto; max-width: 48ch;
  display: grid; gap: 1.5rem;
  font-size: clamp(1rem,1.25vw,1.18rem); line-height: 1.6; color: var(--ink-soft);
}

/* word-split helper */
.word { display: inline-block; }
.word > span { display: inline-block; will-change: transform; }

/* ============================================================
   APPROACH 01–05
   ============================================================ */
.approach {
  padding: clamp(4rem,10vh,8rem) var(--pad) clamp(5rem,12vh,9rem);
  border-top: 1px solid var(--line);
  max-width: var(--maxw); margin: 0 auto;
}
.approach__head {
  display: grid; gap: 1.6rem;
  margin-bottom: clamp(3rem,7vh,5.5rem);
}
.approach__head .section-tag { margin-bottom: 0; }
.approach__title {
  font-family: var(--ff-display); font-weight: 500;
  font-size: clamp(1.8rem,4vw,3.6rem); line-height: 1.02; letter-spacing: -.035em;
  max-width: 18ch;
}
.approach__list { display: grid; }
.row {
  display: grid;
  grid-template-columns: clamp(3rem,7vw,7rem) minmax(0,1fr) minmax(0, 2.1fr);
  gap: clamp(1rem,4vw,4rem);
  align-items: start;
  padding: clamp(1.8rem,4vh,3rem) 0;
  border-top: 1px solid var(--line);
}
.row:last-child { border-bottom: 1px solid var(--line); }
.row__num { font-family: var(--ff-body); font-size: .8rem; font-weight: 500; letter-spacing: .1em; color: var(--muted); padding-top: .5em; }
.row__title {
  font-family: var(--ff-display); font-weight: 500;
  font-size: clamp(1.7rem,3.2vw,2.9rem); line-height: 1; letter-spacing: -.03em;
}
.row__text { font-size: clamp(.98rem,1.15vw,1.12rem); line-height: 1.55; color: var(--ink-soft); max-width: 52ch; }
.row { transition: background .5s var(--ease); }
.row:hover .row__title { font-style: italic; font-family: var(--ff-serif); font-weight: 400; }

/* ============================================================
   WORKS
   ============================================================ */
.works {
  background: var(--bg-2);
  padding: clamp(5rem,12vh,9rem) var(--pad);
  border-top: 1px solid var(--line);
}
.works__head {
  max-width: var(--maxw); margin: 0 auto clamp(3rem,7vh,5rem);
  display: flex; align-items: flex-end; justify-content: space-between; gap: 2rem; flex-wrap: wrap;
}
.works__head .section-tag { margin-bottom: 0; }
.works__title {
  font-family: var(--ff-display); font-weight: 500;
  font-size: clamp(2.2rem,5.5vw,5rem); line-height: .98; letter-spacing: -.04em;
}

.project {
  max-width: var(--maxw); margin: 0 auto clamp(3.5rem,8vh,6rem);
  display: grid; grid-template-columns: 1.55fr 1fr; gap: clamp(1.5rem,3vw,3.5rem);
  align-items: end;
}
.project--reverse { grid-template-columns: 1fr 1.55fr; }
.project--reverse .project__media { order: 2; }
.project--reverse .project__meta { order: 1; }
.project__media {
  position: relative; overflow: hidden; aspect-ratio: 16/10;
  clip-path: inset(0 0 0 0);
}
.project__media img {
  width: 100%; height: 100%; object-fit: cover;
  transform: scale(1.06); will-change: transform;
  transition: transform 1.1s var(--ease);
}
.project__media:hover img { transform: scale(1.12); }
.project__meta { padding-bottom: .4rem; display: grid; gap: 1.1rem; }
.project__line { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; border-bottom: 1px solid var(--line); padding-bottom: 1rem; }
.project__name { font-family: var(--ff-display); font-weight: 500; font-size: clamp(1.5rem,2.4vw,2.4rem); letter-spacing: -.03em; line-height: 1; }
.project__year { font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.project__desc { font-size: clamp(.98rem,1.15vw,1.1rem); line-height: 1.55; color: var(--ink-soft); max-width: 42ch; }
.project__tags { color: var(--muted); }

.works__grid {
  max-width: var(--maxw); margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr 1fr;
  grid-auto-rows: 1fr; gap: clamp(1rem,1.6vw,1.6rem);
}
.works__tile { position: relative; overflow: hidden; aspect-ratio: 4/5; }
.works__tile--tall { grid-row: span 1; }
.works__tile img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.06); transition: transform 1.1s var(--ease); will-change: transform; }
.works__tile:hover img { transform: scale(1.12); }

.works__all {
  max-width: var(--maxw); margin: clamp(3rem,7vh,5rem) auto 0;
  display: inline-flex; align-items: center; gap: 1rem;
  font-family: var(--ff-display); font-weight: 500;
  font-size: clamp(1.3rem,2.6vw,2.4rem); letter-spacing: -.03em;
  border-bottom: 1px solid var(--ink); padding-bottom: .35rem;
}
.works__all svg { width: clamp(1.4rem,2vw,1.9rem); height: auto; transition: transform .5s var(--ease); }
.works__all:hover svg { transform: translateX(.5rem); }

/* ============================================================
   STUDIO
   ============================================================ */
.studio {
  display: grid; grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--line);
}
.studio__media { position: relative; overflow: hidden; min-height: 60vh; }
.studio__media img { position: absolute; inset: 0; width: 100%; height: 110%; object-fit: cover; will-change: transform; }
.studio__content {
  padding: clamp(4rem,9vh,7.5rem) var(--pad);
  display: flex; flex-direction: column; justify-content: center;
  max-width: 760px;
}
.studio__content .section-tag { margin-bottom: 2rem; }
.studio__lead {
  font-family: var(--ff-display); font-weight: 400;
  font-size: clamp(1.6rem,2.9vw,2.9rem); line-height: 1.08; letter-spacing: -.03em;
}
.studio__lead em { font-family: var(--ff-serif); font-style: italic; }
.studio__text { margin-top: 1.8rem; font-size: clamp(.98rem,1.15vw,1.1rem); line-height: 1.6; color: var(--ink-soft); max-width: 48ch; }

.stats { margin-top: clamp(2.6rem,6vh,4rem); display: flex; gap: clamp(2rem,5vw,4.5rem); flex-wrap: wrap; }
.stats li { display: flex; flex-direction: column; gap: .5rem; }
.stats__num { font-family: var(--ff-display); font-weight: 500; font-size: clamp(1.8rem,3.4vw,3.2rem); letter-spacing: -.03em; line-height: 1; }
.stats__cap { color: var(--muted); }

/* ============================================================
   CONTACT
   ============================================================ */
.contact { background: var(--dark); color: var(--on-dark); position: relative; }
.contact__inner {
  max-width: var(--maxw); margin: 0 auto;
  padding: clamp(5rem,14vh,11rem) var(--pad) clamp(3rem,7vh,5rem);
}
.contact__inner .section-tag { margin-bottom: clamp(2rem,5vh,3rem); }
.contact__title {
  font-family: var(--ff-display); font-weight: 500;
  font-size: clamp(2.8rem,11vw,11rem); line-height: .9; letter-spacing: -.045em;
}
.contact__title .line { display: block; overflow: hidden; }
.contact__title .line > span { display: block; }
.contact__title em { font-family: var(--ff-serif); font-style: italic; font-weight: 400; color: var(--on-dark-mut); }

.contact__mail {
  display: inline-block; margin-top: clamp(2.5rem,6vh,4rem);
  font-family: var(--ff-display); font-weight: 400;
  font-size: clamp(1.5rem,4vw,3.2rem); letter-spacing: -.03em;
  border-bottom: 1px solid rgba(239,236,227,.3); padding-bottom: .25rem;
  transition: border-color .4s ease;
}
.contact__mail:hover { border-color: var(--on-dark); }

.contact__grid {
  margin-top: clamp(3.5rem,9vh,6.5rem);
  display: grid; grid-template-columns: repeat(3,1fr); gap: 2rem;
  border-top: 1px solid rgba(239,236,227,.16); padding-top: clamp(2rem,5vh,3rem);
}
.contact__col { display: grid; gap: .9rem; align-content: start; }
.contact__col .micro { color: var(--on-dark-mut); }
.contact__col p { font-size: clamp(.95rem,1.15vw,1.1rem); line-height: 1.6; color: var(--on-dark); }
.contact__col a { transition: opacity .3s ease; }
.contact__col a:hover { opacity: .6; }

.footer {
  max-width: var(--maxw); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: clamp(1.6rem,4vh,2.4rem) var(--pad);
  border-top: 1px solid rgba(239,236,227,.16);
}
.footer__brand { font-family: var(--ff-display); font-weight: 600; font-size: 1.3rem; letter-spacing: -.03em; }
.footer__brand .nav__seven { opacity: .5; }
.footer__copy { color: var(--on-dark-mut); }
.footer__top { color: var(--on-dark-mut); transition: color .3s ease; }
.footer__top:hover { color: var(--on-dark); }

/* ============================================================
   REVEAL STATES (JS-driven; CSS fallback below)
   ============================================================ */
html.js [data-reveal] { opacity: 0; }
html.js .hero__title .line > span,
html.js .contact__title .line > span { transform: translateY(110%); }
html.js .hero__title .line,
html.js .contact__title .line { padding-bottom: .06em; margin-bottom: -.06em; }
/* keep page usable until the loader hands off */
html.js body { }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .project, .project--reverse { grid-template-columns: 1fr; gap: 1.4rem; }
  .project--reverse .project__media,
  .project--reverse .project__meta { order: initial; }
  .project__media { aspect-ratio: 16/10; }
  .studio { grid-template-columns: 1fr; }
  .studio__media { min-height: 56vh; order: -1; }
}

@media (max-width: 760px) {
  .nav__links { display: none; }
  .nav__lang { display: none; }
  .nav__burger { display: block; }
  .nav { mix-blend-mode: normal; color: var(--on-dark); }
  .row { grid-template-columns: 1fr; gap: .7rem; }
  .row__num { padding-top: 0; }
  .row:hover .row__title { font-style: normal; font-family: var(--ff-display); font-weight: 500; }
  .works__grid { grid-template-columns: 1fr 1fr; }
  .works__tile--tall { grid-column: 1 / -1; aspect-ratio: 16/10; }
  .contact__grid { grid-template-columns: 1fr; gap: 1.6rem; }
  .footer { flex-direction: column; align-items: flex-start; gap: .6rem; }
  .hero__foot { gap: 1.2rem; }
  .hero__scroll { display: none; }
  .manifesto__plan { opacity: .06; width: 90vw; right: -20%; }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  [data-reveal] { opacity: 1 !important; }
  .hero__title .line > span, .contact__title .line > span { transform: none !important; }
  .hero__img { transform: scale(1) !important; }
  .cursor { display: none; }
}