/* ==========================================================================
   LARUS 4599 — Mark Design Studio
   Landing page stylesheet
   ========================================================================== */

:root{
  --ink:        #0a0c0d;
  --ink-2:      #101416;
  --ink-3:      #171c1f;
  --paper:      #f2efe9;
  --paper-2:    #e7e2d9;
  --on-dark:    #e9e5de;
  --on-dark-mut:#8d8c87;
  --on-light:   #171a1b;
  --on-light-mut:#6a6d6d;
  --copper:     #c0946a;
  --copper-dim: #8d6c4d;
  --line-dark:  rgba(233,229,222,.13);
  --line-light: rgba(23,26,27,.14);

  --sans: "Jost", ui-sans-serif, system-ui, "Segoe UI", Helvetica, Arial, sans-serif;
  --serif:"Cormorant Garamond", Georgia, "Times New Roman", serif;

  --gut: clamp(20px, 5vw, 64px);
  --sec-y: clamp(80px, 12vh, 168px);
  --ease: cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){ html{ scroll-behavior:auto; } }

body{
  margin:0;
  background:var(--ink);
  color:var(--on-dark);
  font-family:var(--sans);
  font-weight:300;
  font-size:clamp(15px,.55vw + 13px,17px);
  line-height:1.72;
  letter-spacing:.005em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img,video{ display:block; max-width:100%; height:auto; }
a{ color:inherit; }
h1,h2,h3{ margin:0; font-weight:300; letter-spacing:-.01em; line-height:1.05; }
p{ margin:0 0 1.25em; }
p:last-child{ margin-bottom:0; }

.skip{
  position:absolute; left:-9999px; top:0; z-index:200;
  background:var(--copper); color:var(--ink); padding:12px 20px; font-size:14px;
}
.skip:focus{ left:12px; top:12px; }

:focus-visible{ outline:2px solid var(--copper); outline-offset:3px; }

/* ---------- layout helpers ---------- */
.wrap{ width:100%; max-width:1180px; margin-inline:auto; padding-inline:var(--gut); }
.wrap-wide{ width:100%; max-width:1720px; margin-inline:auto; padding-inline:var(--gut); }
.sec{ padding-block:var(--sec-y); position:relative; }
/* offset anchor jumps so the fixed header never covers a section heading */
section[id]{ scroll-margin-top:76px; }

/* ---------- reveal ---------- */
.reveal{ opacity:0; transform:translateY(26px); transition:opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.is-in{ opacity:1; transform:none; }
@media (prefers-reduced-motion: reduce){
  .reveal{ opacity:1; transform:none; transition:none; }
}

/* ==========================================================================
   NAV
   ========================================================================== */
.nav{
  position:fixed; inset:0 0 auto 0; z-index:100;
  transition:background .5s var(--ease), border-color .5s var(--ease), backdrop-filter .5s var(--ease);
  border-bottom:1px solid transparent;
}
.nav.is-stuck{
  background:rgba(10,12,13,.86);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom-color:var(--line-dark);
}
.nav__in{
  max-width:1720px; margin-inline:auto; padding:18px var(--gut);
  display:flex; align-items:center; gap:clamp(16px,4vw,56px);
}
.brand{ display:flex; align-items:baseline; gap:12px; text-decoration:none; flex:0 0 auto; }
.brand__mark{
  font-size:16px; letter-spacing:.24em; font-weight:400; color:var(--on-dark);
}
.brand__txt{
  font-size:10.5px; letter-spacing:.24em; text-transform:uppercase; color:var(--on-dark-mut);
  transition:color .35s;
}
.brand:hover .brand__txt{ color:var(--on-dark); }
.nav__links{ display:flex; gap:clamp(16px,2vw,34px); margin-inline:auto; }
.nav__links a{
  font-size:11px; letter-spacing:.2em; text-transform:uppercase;
  color:var(--on-dark-mut); text-decoration:none; padding-block:6px;
  border-bottom:1px solid transparent; transition:color .3s, border-color .3s;
}
.nav__links a:hover{ color:var(--on-dark); border-bottom-color:var(--copper); }
.nav__right{ display:flex; align-items:center; gap:clamp(12px,1.6vw,24px); flex:0 0 auto; }

.lang{ display:flex; align-items:center; gap:6px; }
.lang__b{
  appearance:none; background:none; border:0; cursor:pointer; padding:4px 2px;
  font-family:var(--sans); font-size:11px; letter-spacing:.18em; font-weight:400;
  color:var(--on-dark-mut); transition:color .3s;
}
.lang__b:hover{ color:var(--on-dark); }
.lang__b.is-on{ color:var(--copper); }
.lang__sep{ color:var(--on-dark-mut); opacity:.5; font-size:11px; }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  font-family:var(--sans); text-decoration:none; text-transform:uppercase;
  letter-spacing:.2em; font-weight:400; white-space:nowrap;
  border:1px solid var(--copper-dim); color:var(--copper);
  background:transparent; transition:background .4s var(--ease), color .4s var(--ease), border-color .4s var(--ease);
}
.btn:hover{ background:var(--copper); border-color:var(--copper); color:var(--ink); }
.btn--sm{ font-size:10.5px; padding:9px 18px; }
.btn--lg{ font-size:12px; padding:17px 40px; }

/* ==========================================================================
   HERO
   ========================================================================== */
.hero{
  position:relative; min-height:100svh; display:flex; align-items:flex-end;
  overflow:hidden; isolation:isolate;
}
.hero__v{
  position:absolute; inset:0; width:100%; height:100%;
  object-fit:cover; z-index:-2;
}
.hero__scrim{
  position:absolute; inset:0; z-index:-1;
  background:
    linear-gradient(to right, rgba(10,12,13,.62) 0%, rgba(10,12,13,.22) 42%, rgba(10,12,13,0) 72%),
    linear-gradient(to bottom, rgba(10,12,13,.6) 0%, rgba(10,12,13,.05) 26%, rgba(10,12,13,.42) 58%, rgba(10,12,13,.93) 100%);
}
.hero__in{
  width:100%; max-width:1720px; margin-inline:auto;
  padding:0 var(--gut) clamp(80px,14vh,150px);
}
.eyebrow{
  font-size:clamp(9.5px,.9vw,11px); letter-spacing:.34em; text-transform:uppercase;
  color:var(--copper); margin:0 0 clamp(20px,3vh,32px);
}
.hero__h1{
  /* "LARUS 4599" sets as one unbreakable line. At 320px the old 52px floor put
     the text flush against both gutters, so the floor scales a little lower. */
  font-size:clamp(42px,12.5vw,206px);
  font-weight:200; letter-spacing:.02em; line-height:.9;
  margin:0 0 clamp(20px,3vh,30px);
}
.hero__h1 span{ font-weight:400; color:var(--copper); letter-spacing:.04em; }
.hero__lead{
  max-width:54ch; font-size:clamp(15px,1.25vw,20px); font-weight:300;
  color:rgba(233,229,222,.86); line-height:1.62; margin:0;
}
.hero__cue{
  position:absolute; right:var(--gut); bottom:clamp(80px,14vh,150px);
  display:flex; flex-direction:column; align-items:center; gap:14px;
  text-decoration:none; color:var(--on-dark-mut);
  font-size:9.5px; letter-spacing:.28em; text-transform:uppercase;
  writing-mode:vertical-rl;
}
.hero__cue i{
  display:block; width:1px; height:64px; background:linear-gradient(var(--copper),transparent);
  animation:cue 2.6s var(--ease) infinite;
}
@keyframes cue{ 0%,100%{ transform:scaleY(.4); opacity:.4; transform-origin:top; } 50%{ transform:scaleY(1); opacity:1; transform-origin:top; } }
@media (max-width:900px){ .hero__cue{ display:none; } }

/* ==========================================================================
   TYPE BLOCKS
   ========================================================================== */
.kicker{
  display:flex; align-items:center; gap:16px;
  font-size:10.5px; letter-spacing:.3em; text-transform:uppercase;
  color:var(--on-dark-mut); margin:0 0 clamp(24px,4vh,40px);
}
.kicker b{ font-weight:400; color:var(--copper); }
.kicker span{ position:relative; padding-left:16px; }
.kicker span::before{
  content:""; position:absolute; left:0; top:50%; width:8px; height:1px;
  background:var(--on-dark-mut); opacity:.5;
}
.h-display{
  font-family:var(--serif); font-weight:300;
  font-size:clamp(40px,6.6vw,96px); line-height:1.02; letter-spacing:-.015em;
}
.h2{
  font-size:clamp(28px,3.9vw,58px); font-weight:200; line-height:1.1;
  letter-spacing:-.01em; max-width:19ch; margin:0 0 clamp(20px,3vh,30px);
}
.sec__intro{
  max-width:58ch; color:var(--on-dark-mut); font-size:clamp(15px,1.05vw,17.5px);
  margin:0 0 clamp(44px,7vh,88px);
}
.lead{ font-size:clamp(17px,1.5vw,23px); font-weight:300; line-height:1.58; color:var(--on-dark); }

/* ---------- 01 statement ---------- */
.sec--statement{ border-bottom:1px solid var(--line-dark); }
.statement{ display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1.05fr); gap:clamp(32px,6vw,96px); align-items:start; }
.statement__body{ color:var(--on-dark-mut); padding-top:clamp(4px,1.2vw,14px); }
.statement__body .lead{ color:var(--on-dark); margin-bottom:1.5em; }
@media (max-width:880px){ .statement{ grid-template-columns:1fr; gap:32px; } }

/* ==========================================================================
   EXTERIOR GRID
   ========================================================================== */
.grid{
  display:grid; grid-template-columns:repeat(12,1fr);
  gap:clamp(14px,1.6vw,26px);
}
.g{ margin:0; position:relative; overflow:hidden; }
/* the wider item of each row carries the aspect ratio; its partner stretches to
   match the row height and crops, so every row bottoms out on one clean line */
.g--12{ grid-column:span 12; aspect-ratio:16/9; }
.g--7{ grid-column:span 7; aspect-ratio:16/9; }
.g--6{ grid-column:span 6; aspect-ratio:16/9; }
.g--5{ grid-column:span 5; }
.g img{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
  background:var(--ink-2);
  transition:transform 1.2s var(--ease), filter 1.2s var(--ease);
  filter:saturate(1.02);
}
.g:hover img{ transform:scale(1.028); }
.g figcaption{
  position:absolute; left:0; bottom:0; right:0;
  padding:clamp(14px,1.5vw,24px) clamp(16px,1.8vw,28px);
  font-size:10.5px; letter-spacing:.22em; text-transform:uppercase;
  color:rgba(233,229,222,.92);
  background:linear-gradient(to top, rgba(8,10,11,.72), rgba(8,10,11,0));
  opacity:0; transform:translateY(8px);
  transition:opacity .5s var(--ease), transform .5s var(--ease);
  pointer-events:none;
}
.g:hover figcaption, .g:focus-within figcaption{ opacity:1; transform:none; }
@media (max-width:820px){
  .g--12,.g--7,.g--6,.g--5{ grid-column:span 12; aspect-ratio:16/9; }
  .g figcaption{ opacity:1; transform:none; }
}

/* ==========================================================================
   MOTION
   ========================================================================== */
.sec--motion{ background:var(--ink-2); border-block:1px solid var(--line-dark); }
.clips{
  display:grid; grid-template-columns:repeat(2,minmax(0,1fr));
  gap:clamp(14px,1.6vw,26px);
}
.clip{ margin:0; position:relative; overflow:hidden; background:var(--ink-3); }
.clip video{
  width:100%; aspect-ratio:16/9; object-fit:cover; background:var(--ink-3);
}
.clip figcaption{
  position:absolute; inset:auto 0 0 0;
  display:flex; align-items:center; justify-content:space-between; gap:16px;
  padding:clamp(14px,1.4vw,22px) clamp(16px,1.6vw,26px);
  font-size:10.5px; letter-spacing:.22em; text-transform:uppercase;
  background:linear-gradient(to top, rgba(8,10,11,.78), rgba(8,10,11,0));
  pointer-events:none;
}
.clip figcaption b{ font-weight:400; color:var(--copper); letter-spacing:.14em; }
@media (max-width:760px){ .clips{ grid-template-columns:1fr; } }

/* ==========================================================================
   INTERIOR ROOMS
   ========================================================================== */
.rooms{ display:flex; flex-direction:column; gap:clamp(48px,9vh,124px); }
.room{
  display:grid; grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);
  gap:clamp(24px,4vw,64px); align-items:center;
}
.room--flip .room__img{ order:2; }
.room--flip .room__txt{ order:1; }
.room__img{ overflow:hidden; }
.room__img img{
  width:100%; aspect-ratio:16/9; object-fit:cover; background:var(--ink-2);
  transition:transform 1.2s var(--ease);
}
.room:hover .room__img img{ transform:scale(1.03); }
.room__n{
  font-size:11px; letter-spacing:.28em; color:var(--copper); margin:0 0 18px;
}
.room__txt h3{
  font-family:var(--serif); font-size:clamp(28px,3.2vw,46px); font-weight:300;
  margin:0 0 18px; letter-spacing:-.005em; line-height:1.08;
}
.room__txt p{ color:var(--on-dark-mut); max-width:40ch; margin:0; }
@media (max-width:880px){
  .room{ grid-template-columns:1fr; gap:22px; }
  .room--flip .room__img{ order:0; }
  .room--flip .room__txt{ order:0; }
}

/* ==========================================================================
   FACTS
   ========================================================================== */
.facts{
  background:var(--ink-2); border-block:1px solid var(--line-dark);
  padding-block:clamp(48px,8vh,92px);
}
.facts__grid{
  display:grid; grid-template-columns:repeat(6,minmax(0,1fr));
  gap:clamp(24px,3vw,44px);
}
.fact{ display:flex; flex-direction:column; gap:10px; }
.fact b{
  font-weight:200; font-size:clamp(22px,2.35vw,38px); line-height:1;
  letter-spacing:-.01em; color:var(--on-dark);
}
.fact span{
  font-size:10px; letter-spacing:.2em; text-transform:uppercase;
  color:var(--on-dark-mut); line-height:1.6;
}
@media (max-width:1000px){ .facts__grid{ grid-template-columns:repeat(3,minmax(0,1fr)); } }
@media (max-width:560px){ .facts__grid{ grid-template-columns:repeat(2,minmax(0,1fr)); } }

/* ==========================================================================
   CAPABILITY (light)
   ========================================================================== */
.sec--light{ background:var(--paper); color:var(--on-light); }
.sec--light .kicker{ color:var(--on-light-mut); }
.sec--light .kicker b{ color:var(--copper-dim); }
.sec--light .kicker span::before{ background:var(--on-light-mut); }
.sec--light .sec__intro{ color:var(--on-light-mut); }
.cards{
  display:grid; grid-template-columns:repeat(4,minmax(0,1fr));
  gap:clamp(1px,.1vw,2px);
  background:var(--line-light);
  border-block:1px solid var(--line-light);
}
.card{
  background:var(--paper);
  padding:clamp(28px,2.6vw,44px) clamp(22px,2vw,34px) clamp(36px,4vw,58px);
  transition:background .5s var(--ease);
}
.card:hover{ background:var(--paper-2); }
.card__rule{
  display:block; width:26px; height:1px; background:var(--copper-dim);
  margin:0 0 clamp(28px,4vw,52px);
}
.card h3{
  font-size:clamp(17px,1.3vw,21px); font-weight:400; line-height:1.28;
  margin:0 0 14px; letter-spacing:0;
}
.card p{ color:var(--on-light-mut); font-size:15px; line-height:1.68; margin:0; }
@media (max-width:1000px){ .cards{ grid-template-columns:repeat(2,minmax(0,1fr)); } }
@media (max-width:600px){ .cards{ grid-template-columns:1fr; } }

/* ==========================================================================
   CTA
   ========================================================================== */
.cta{
  position:relative; isolation:isolate; overflow:hidden;
  padding-block:clamp(100px,17vh,208px);
  text-align:center;
}
.cta__bg{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover; z-index:-2;
  transform:scale(1.04);
}
.cta__scrim{
  position:absolute; inset:0; z-index:-1;
  background:linear-gradient(to bottom, rgba(10,12,13,.9), rgba(10,12,13,.74) 45%, rgba(10,12,13,.94));
}
.cta__in .h-display{ max-width:19ch; margin:0 auto clamp(20px,3vh,30px); }
.cta__in .lead{ max-width:52ch; margin:0 auto clamp(36px,5vh,54px); color:rgba(233,229,222,.82); }
.cta__row{ display:flex; flex-direction:column; align-items:center; gap:22px; }
.cta__mail{
  font-size:11.5px; letter-spacing:.16em; text-transform:uppercase;
  color:var(--on-dark-mut); text-decoration:none;
  border-bottom:1px solid var(--line-dark); padding-bottom:4px;
  transition:color .3s, border-color .3s;
  overflow-wrap:anywhere;
}
.cta__mail:hover{ color:var(--copper); border-bottom-color:var(--copper-dim); }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.foot{ background:var(--ink); border-top:1px solid var(--line-dark); padding-block:clamp(40px,6vh,64px); }
.foot__in{
  display:grid; grid-template-columns:auto 1fr auto; gap:clamp(20px,4vw,64px);
  align-items:center;
}
.foot__brand{
  margin:0; font-size:11px; letter-spacing:.2em; text-transform:uppercase; white-space:nowrap;
}
.foot__brand span{ color:var(--on-dark-mut); }
.foot__note{ margin:0; font-size:12px; color:var(--on-dark-mut); line-height:1.6; max-width:62ch; }
.foot__c{ margin:0; font-size:11px; letter-spacing:.14em; color:var(--on-dark-mut); white-space:nowrap; }
@media (max-width:1000px){
  .foot__in{ grid-template-columns:1fr; gap:16px; text-align:left; }
  .foot__brand,.foot__c{ white-space:normal; }
}

/* ---------- nav collapse on small ---------- */
@media (max-width:860px){
  .nav__links{ display:none; }
  .brand__txt{ display:none; }
  .nav__in{ justify-content:space-between; }
  .nav__right{ margin-left:auto; }
}