/* ============================================
   STUDIO ARCHETIPO — Design tokens
   ============================================ */
:root{
  --bg:        #121214;
  --bg-alt:    #17171a;
  --surface:   #1b1b1e;
  --ink:       #F5F5F7;
  --ink-dim:   rgba(245,245,247,0.62);
  --ink-faint: rgba(245,245,247,0.38);
  --line:      rgba(245,245,247,0.14);
  --line-soft: rgba(245,245,247,0.07);
  --accent:    #C3B69B; /* travertine / champagne stone — used sparingly */

  --font-display: 'Syne', sans-serif;
  --font-body: 'Inter', sans-serif;

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

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

html{ scroll-behavior:smooth; }

body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  font-weight:300;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

a{ color:inherit; text-decoration:none; }
ul{ list-style:none; }
img{ max-width:100%; display:block; }

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

/* subtle film-grain texture over the whole page */
.noise{
  position:fixed; inset:0; pointer-events:none; z-index:9999;
  opacity:.035; mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.section__eyebrow{
  font-family:var(--font-body);
  font-size:.72rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--accent);
  margin-bottom:1rem;
}

.section__title{
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(1.9rem, 3.4vw, 3.1rem);
  letter-spacing:-0.01em;
}

.section__head{
  max-width:640px;
  margin:0 auto 4.5rem;
  padding:0 8vw;
  text-align:center;
}

.section__sub{
  font-size:.98rem;
  color:var(--ink-dim);
  margin-top:1.1rem;
}

/* ============================================
   Reveal-on-scroll
   ============================================ */
.reveal{
  opacity:0;
  transform:translateY(24px);
  transition:opacity .9s var(--ease), transform .9s var(--ease);
}
.reveal.is-visible{ opacity:1; transform:translateY(0); }

/* ============================================
   Navigation
   ============================================ */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:1000;
  display:flex; align-items:center; justify-content:space-between;
  padding:1.8rem 6vw;
  background:linear-gradient(to bottom, rgba(18,18,20,.85), rgba(18,18,20,0));
  backdrop-filter:blur(6px);
  transition:transform .5s var(--ease);
}
.nav.is-hidden{ transform:translateY(-110%); }

.nav__logo{
  display:block;
}
.nav__logo-img{
  height:56px;
  width:auto;
  display:block;
}

.nav__links{ display:flex; align-items:center; gap:2.6rem; }
.nav__links a{
  font-size:.82rem;
  letter-spacing:.04em;
  color:var(--ink-dim);
  position:relative;
  transition:color .3s var(--ease);
}
.nav__links a::after{
  content:'';
  position:absolute; left:0; right:0; bottom:-5px;
  height:1px; background:var(--accent);
  transform:scaleX(0); transform-origin:left;
  transition:transform .35s var(--ease);
}
.nav__links a:hover{ color:var(--ink); }
.nav__links a:hover::after{ transform:scaleX(1); }

.nav__cta{
  border:1px solid var(--line);
  padding:.55rem 1.1rem;
  border-radius:2px;
}
.nav__cta::after{ display:none; }
.nav__cta:hover{ border-color:var(--accent); color:var(--accent) !important; }

/* Hamburger button — hidden on desktop */
.nav__burger{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:6px;
  width:32px; height:32px;
  background:none;
  border:none;
  cursor:pointer;
  z-index:1100;
}
.nav__burger span{
  display:block;
  width:100%;
  height:1px;
  background:var(--ink);
  transition:transform .3s var(--ease), opacity .3s var(--ease);
}

/* Full-screen mobile menu overlay */
.mobile-menu{
  position:fixed; inset:0;
  z-index:2000;
  background:var(--bg);
  display:flex;
  align-items:center;
  justify-content:center;
  opacity:0;
  visibility:hidden;
  transition:opacity .4s var(--ease), visibility .4s var(--ease);
}
.mobile-menu.is-open{
  opacity:1;
  visibility:visible;
}
.mobile-menu__close{
  position:absolute;
  top:2rem; right:6vw;
  width:32px; height:32px;
  background:none;
  border:none;
  cursor:pointer;
}
.mobile-menu__close span{
  position:absolute;
  top:50%; left:0;
  width:100%; height:1px;
  background:var(--ink);
}
.mobile-menu__close span:first-child{ transform:rotate(45deg); }
.mobile-menu__close span:last-child{ transform:rotate(-45deg); }

.mobile-menu__links{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:2.2rem;
}
.mobile-menu__link{
  font-family:var(--font-display);
  font-weight:600;
  font-size:2rem;
  color:var(--ink-dim);
  transition:color .3s var(--ease);
}
.mobile-menu__link:hover{ color:var(--accent); }

/* ============================================
   Hero
   ============================================ */
.hero{
  min-height:100vh;
  display:flex; flex-direction:column; justify-content:center;
  padding:0 6vw;
  position:relative;
}

.hero__eyebrow{
  font-size:.78rem;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--ink-faint);
  margin-bottom:1.6rem;
}

.hero__title{
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(2.6rem, 8.2vw, 6.4rem);
  line-height:1.02;
  letter-spacing:-0.02em;
  max-width:16ch;
}
.hero__title span{ display:block; }
.hero__title em{
  font-style:normal;
  color:var(--accent);
}

.hero__foot{
  display:flex;
  align-items:flex-end;
  gap:2rem;
  margin-top:3.2rem;
  max-width:560px;
}
.hero__rule{
  width:64px; height:1px;
  background:var(--line);
  flex-shrink:0;
  margin-bottom:.4rem;
}
.hero__desc{
  font-size:.98rem;
  color:var(--ink-dim);
  font-weight:300;
}

.hero__scroll{
  position:absolute;
  right:6vw; bottom:3rem;
  display:flex; flex-direction:column; align-items:center; gap:.8rem;
  font-size:.7rem; letter-spacing:.2em; text-transform:uppercase;
  color:var(--ink-faint);
}
.hero__scroll-line{
  width:1px; height:46px;
  background:linear-gradient(var(--accent), transparent);
  animation:scrollPulse 2.4s ease-in-out infinite;
}
@keyframes scrollPulse{
  0%,100%{ transform:scaleY(1); opacity:.6; }
  50%{ transform:scaleY(.55); opacity:1; }
}

/* ============================================
   Manifesto strip
   ============================================ */
.manifesto{
  padding:9rem 8vw;
  border-top:1px solid var(--line-soft);
  border-bottom:1px solid var(--line-soft);
  display:flex; justify-content:center;
}
.manifesto__text{
  font-family:var(--font-display);
  font-weight:600;
  font-size:clamp(1.5rem, 3.6vw, 2.7rem);
  text-align:center;
  max-width:18ch;
  line-height:1.28;
  color:var(--ink-faint);
}
.manifesto__text span{ color:var(--ink); }

/* ============================================
   Projects — asymmetric bento grid + 3D tilt
   ============================================ */
.projects{ padding:9rem 6vw; }

.projects__grid{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  grid-auto-rows:210px;
  grid-auto-flow:dense;
  gap:1.4rem;
}

.card--a{ grid-column:span 2; grid-row:span 2; }
.card--b{ grid-column:span 2; grid-row:span 1; }
.card--c{ grid-column:span 1; grid-row:span 2; }
.card--d{ grid-column:span 1; grid-row:span 1; }
.card--e{ grid-column:span 2; grid-row:span 1; }

/* Two large, equal, proportional cards side by side */
.projects__grid--duo{
  display:grid;
  grid-template-columns:1fr 1fr;
  grid-auto-rows:unset;
  gap:1.4rem;
}
.card--duo{ grid-column:span 1; grid-row:span 1; }
.card--duo .card__inner{ aspect-ratio:1 / 1; }

.card{
  display:block;
  perspective:1000px;
  border-radius:3px;
  overflow:hidden;
}

.card__inner{
  position:relative;
  width:100%; height:100%;
  border-radius:3px;
  background:
    radial-gradient(120% 140% at 20% 15%, var(--mat-1), var(--mat-2) 70%);
  border:1px solid var(--line-soft);
  transform:perspective(1000px) rotateX(var(--ry,0deg)) rotateY(var(--rx,0deg)) scale(var(--s,1));
  transition:transform .5s var(--ease), border-color .4s var(--ease);
  will-change:transform;
}
.card:hover .card__inner{
  border-color:var(--line);
  transition:transform .1s linear;
}

.card--photo .card__inner{
  background-size:cover;
  background-position:center;
}
.card--photo .card__inner::before{
  content:'';
  position:absolute; inset:0;
  background:linear-gradient(to top, rgba(0,0,0,.65), rgba(0,0,0,.1) 55%);
}
.card--photo .card__caption{ z-index:1; }

.card__shine{
  position:absolute; inset:0;
  background:radial-gradient(280px circle at var(--mx,50%) var(--my,50%), rgba(245,245,247,.14), transparent 60%);
  opacity:0;
  transition:opacity .4s var(--ease);
  pointer-events:none;
}
.card:hover .card__shine{ opacity:1; }

.card__caption{
  position:absolute; left:0; right:0; bottom:0;
  padding:1.6rem;
  background:linear-gradient(to top, rgba(0,0,0,.55), transparent 70%);
}
.card__num{
  display:block;
  font-family:var(--font-display);
  font-size:.72rem;
  letter-spacing:.18em;
  color:var(--accent);
  margin-bottom:.5rem;
}
.card__caption h3{
  font-family:var(--font-display);
  font-weight:600;
  font-size:1.15rem;
  margin-bottom:.25rem;
}
.card__caption p{
  font-size:.8rem;
  color:var(--ink-dim);
}

/* ============================================
   Approach
   ============================================ */
.approach{
  padding:9rem 6vw;
  background:var(--bg-alt);
  border-top:1px solid var(--line-soft);
  border-bottom:1px solid var(--line-soft);
}

.approach__list{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:1px;
  background:var(--line-soft);
  border:1px solid var(--line-soft);
}
.approach__list--duo{ grid-template-columns:repeat(2, 1fr); }
.approach__item{
  background:var(--bg-alt);
  padding:2.6rem 2rem;
}
.approach__num{
  display:block;
  font-family:var(--font-display);
  font-size:.85rem;
  color:var(--ink-faint);
  margin-bottom:2.4rem;
}
.approach__item h3{
  font-family:var(--font-display);
  font-weight:600;
  font-size:1.2rem;
  margin-bottom:.9rem;
}
.approach__item p{
  font-size:.88rem;
  color:var(--ink-dim);
  line-height:1.7;
}

/* ============================================
   Studio
   ============================================ */
.studio{ padding:10rem 6vw; }
.studio__grid{ max-width:840px; margin:0 auto; }
.studio__title{
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(1.7rem, 3.6vw, 2.7rem);
  line-height:1.28;
  margin:1.4rem 0 2.2rem;
  max-width:20ch;
}
.studio__text{
  font-size:1rem;
  color:var(--ink-dim);
  max-width:60ch;
}

/* ============================================
   Contact
   ============================================ */
.contact{
  padding:10rem 6vw;
  text-align:center;
  border-top:1px solid var(--line-soft);
}
.contact__title{
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(1.8rem, 5.4vw, 3.6rem);
  margin-bottom:2rem;
}
.contact__title a{ border-bottom:1px solid var(--line); transition:border-color .3s var(--ease), color .3s var(--ease); }
.contact__title a:hover{ color:var(--accent); border-color:var(--accent); }
.contact__meta{ color:var(--ink-faint); font-size:.9rem; display:flex; flex-direction:column; gap:.3rem; }

.contact__form{
  max-width:480px;
  margin:3.2rem auto 0;
  text-align:left;
  display:flex;
  flex-direction:column;
  gap:1.4rem;
}
.contact__field{
  display:flex;
  flex-direction:column;
  gap:.6rem;
}
.contact__field label{
  font-size:.72rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--ink-faint);
}
.contact__field input,
.contact__field textarea{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:2px;
  padding:.85rem 1rem;
  color:var(--ink);
  font-family:var(--font-body);
  font-size:.92rem;
  font-weight:300;
  resize:vertical;
  transition:border-color .3s var(--ease);
}
.contact__field input::placeholder,
.contact__field textarea::placeholder{ color:var(--ink-faint); }
.contact__field input:focus,
.contact__field textarea:focus{
  outline:none;
  border-color:var(--accent);
}

.contact__submit{
  align-self:flex-start;
  background:var(--ink);
  color:var(--bg);
  border:none;
  border-radius:2px;
  padding:.9rem 2rem;
  font-family:var(--font-body);
  font-size:.85rem;
  letter-spacing:.05em;
  cursor:pointer;
  transition:background .3s var(--ease), transform .3s var(--ease);
}
.contact__submit:hover{
  background:var(--accent);
  transform:translateY(-2px);
}

.contact__form-note{
  font-size:.78rem;
  color:var(--ink-faint);
}

/* ============================================
   Footer
   ============================================ */
.footer{
  padding:2.4rem 6vw;
  display:flex; justify-content:space-between; align-items:center;
  border-top:1px solid var(--line-soft);
  font-size:.78rem;
  color:var(--ink-faint);
}
.footer__top{ transition:color .3s var(--ease); }
.footer__top:hover{ color:var(--accent); }

/* ============================================
   Responsive
   ============================================ */
@media (max-width:900px){
  .nav__links{ display:none; }
  .nav__burger{ display:flex; }

  .approach__list{ grid-template-columns:repeat(2, 1fr); }

  .projects__grid{ grid-template-columns:repeat(2, 1fr); grid-auto-rows:200px; }
  .card--a{ grid-column:span 2; grid-row:span 2; }
  .card--b, .card--e{ grid-column:span 2; grid-row:span 1; }
  .card--c, .card--d{ grid-column:span 1; grid-row:span 1; }
}

@media (max-width:560px){
  .nav__logo-img{ height:44px; }
  .hero__foot{ flex-direction:column; align-items:flex-start; gap:1rem; }
  .hero__scroll{ display:none; }
  .manifesto{ padding:6rem 8vw; }
  .projects, .approach, .studio, .contact{ padding:6rem 6vw; }
  .projects__grid{ grid-template-columns:1fr; grid-auto-rows:260px; }
  .card--a, .card--b, .card--c, .card--d, .card--e{ grid-column:span 1; grid-row:span 1; }
  .projects__grid--duo{ grid-template-columns:1fr; }
  .approach__list{ grid-template-columns:1fr; }
  .approach__list--duo{ grid-template-columns:1fr; }
  .footer{ flex-direction:column; gap:1rem; text-align:center; }
}

@media (prefers-reduced-motion:reduce){
  *{ animation:none !important; transition:none !important; }
}