/* =========================================================
   MEGAHOMES GROUP — landing page styles
   Editorial / architectural-portfolio aesthetic:
   generous whitespace, restrained palette, big display type,
   numbered project grid with hover reveal.
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:ital,wght@0,200;0,300;0,400;0,500;0,600;0,700;1,400&display=swap');

:root{
  --ink:        #1c1a17;
  --ink-soft:   #4a453e;
  --paper:      #f7f4ee;
  --paper-dim:  #efeae1;
  --line:       #ddd6c8;
  --rust:       #b9552c;
  --rust-deep:  #8f3f20;
  --olive:      #6b6a4f;
  --white:      #ffffff;

  /* Archimatrix-style typography: a single grotesk (Inter) for everything,
     leaning on weight contrast (200/300 display, 400 body, 500 nav/labels)
     instead of a separate display serif. */
  --serif: 'Inter', Arial, sans-serif;
  --sans:  'Inter', Arial, sans-serif;

  --maxw: 1360px;
  --pad: clamp(20px, 4vw, 64px);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3,h4{ font-family:var(--serif); font-weight:300; margin:0; line-height:1.1; letter-spacing:-.01em; }
p{ margin:0; }
.wrap{ max-width:var(--maxw); margin:0 auto; padding-left:var(--pad); padding-right:var(--pad); }
.eyebrow{
  display:inline-flex; align-items:center; gap:.6em;
  font-family:var(--sans); font-size:12.5px; letter-spacing:.28em; text-transform:uppercase;
  color:var(--rust); font-weight:500;
}
.eyebrow::before{ content:""; width:26px; height:1px; background:var(--rust); display:inline-block; }
.btn{
  display:inline-flex; align-items:center; gap:10px;
  padding:15px 30px; border:1px solid var(--ink); border-radius:2px;
  font-family:var(--sans); font-size:13px; letter-spacing:.14em; text-transform:uppercase;
  color:var(--ink); background:transparent; cursor:pointer; transition:.25s ease;
  white-space:nowrap;
}
.btn:hover{ background:var(--ink); color:var(--paper); }
.btn.solid{ background:var(--ink); color:var(--paper); }
.btn.solid:hover{ background:var(--rust); border-color:var(--rust); color:#fff; }
.btn.light{ border-color:rgba(255,255,255,.7); color:#fff; }
.btn.light:hover{ background:#fff; color:var(--ink); }

/* ---------- header ---------- */
.site-header{
  position:fixed; top:0; left:0; right:0; z-index:100;
  padding:22px var(--pad);
  display:flex; align-items:center; justify-content:space-between;
  transition:background .35s ease, box-shadow .35s ease, padding .35s ease;
}
.site-header.solid{
  background:rgba(247,244,238,.94);
  backdrop-filter:blur(6px);
  box-shadow:0 1px 0 var(--line);
  padding-top:16px; padding-bottom:16px;
}
/* The brand file's "MEGAHOMES GROUP" wordmark is white, made for a dark
   background — so the logo always sits on its own dark chip, keeping it
   legible whether the header is transparent-over-photo or solid/light. */
.logo{
  display:inline-flex; align-items:center;
  background:var(--ink); border-radius:6px; padding:9px 16px;
  line-height:0;
}
.logo img{ height:26px; width:auto; display:block; }
.nav{ display:flex; align-items:center; gap:38px; }
.nav a{
  font-size:12.5px; letter-spacing:.18em; text-transform:uppercase; color:#fff;
  position:relative; padding-bottom:4px; transition:color .35s ease;
}
.site-header.solid .nav a{ color:var(--ink); }
.nav a::after{
  content:""; position:absolute; left:0; bottom:0; width:0; height:1px; background:currentColor;
  transition:width .25s ease;
}
.nav a:hover::after{ width:100%; }
.nav-toggle{ display:none; }

/* ---------- hero ---------- */
.hero{
  position:relative; min-height:100vh;
  display:flex; align-items:flex-end;
  color:#fff; overflow:visible;
  padding-top:120px; /* reserve room under the fixed header so nothing is clipped */
}
.hero-media{ position:absolute; inset:0; z-index:0; }
.hero-media img{ width:100%; height:100%; object-fit:cover; }
.hero-media::after{
  content:""; position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(20,17,12,.35) 0%, rgba(20,17,12,.15) 38%, rgba(15,13,9,.82) 100%);
}
.hero-inner{ position:relative; z-index:1; width:100%; padding:0 0 88px; }
.hero-inner .eyebrow{ color:#f0d9c8; }
.hero-inner .eyebrow::before{ background:#f0d9c8; }
.hero h1{
  font-size:clamp(34px, 5.6vw, 76px);
  max-width:17ch;
  margin:22px 0 26px;
  font-weight:200;
}
.hero h1 em{ font-style:normal; color:#f0d9c8; }
.hero p.lede{ max-width:520px; font-size:16.5px; color:#e9e4d8; margin-bottom:36px; }
.hero-cta{ display:flex; gap:16px; flex-wrap:wrap; }
.hero-scroll{
  position:absolute; right:var(--pad); bottom:36px; z-index:1;
  writing-mode:vertical-rl; font-size:11.5px; letter-spacing:.25em; text-transform:uppercase;
  color:#e9e4d8; display:flex; align-items:center; gap:14px;
}
.hero-scroll::after{ content:""; width:1px; height:52px; background:rgba(255,255,255,.5); }
.hero-stats{
  position:relative; z-index:1;
  display:grid; grid-template-columns:repeat(4,1fr);
  border-top:1px solid rgba(255,255,255,.25);
  margin-top:46px;
}
.hero-stats div{ padding:20px 26px 0; border-left:1px solid rgba(255,255,255,.25); }
.hero-stats div:first-child{ border-left:none; padding-left:0; }
.hero-stats b{ display:block; font-family:var(--serif); font-size:clamp(24px,2.6vw,34px); color:#fff; font-weight:400; }
.hero-stats span{ font-size:12px; letter-spacing:.08em; color:#cfc7b6; text-transform:uppercase; }

/* ---------- section shell ---------- */
section{ padding:110px 0; }
.section-head{
  display:flex; justify-content:space-between; align-items:flex-end; gap:40px;
  margin-bottom:56px; flex-wrap:wrap;
}
.section-head h2{ font-size:clamp(30px,4vw,50px); margin-top:16px; max-width:14ch; }
.section-head .desc{ max-width:360px; color:var(--ink-soft); font-size:15px; padding-bottom:6px; }

/* ---------- about ---------- */
.about{ background:var(--paper); }
.about-grid{
  display:grid; grid-template-columns:1.1fr .9fr; gap:70px; align-items:center;
}
.about-media{ position:relative; }
.about-media img{ width:100%; height:560px; object-fit:cover; border-radius:2px; }
.about-tag{
  position:absolute; left:-30px; bottom:-30px; background:var(--rust); color:#fff;
  padding:26px 30px; max-width:230px; font-family:var(--serif); font-size:18px; line-height:1.35;
  box-shadow:0 18px 40px rgba(140,60,25,.28);
}
.about-copy .eyebrow{ margin-bottom:18px; }
.about-copy h2{ font-size:clamp(28px,3.6vw,44px); margin-bottom:24px; }
.about-copy p{ color:var(--ink-soft); font-size:15.5px; margin-bottom:18px; max-width:46ch; }
.about-points{ list-style:none; margin:30px 0 0; padding:0; display:grid; gap:16px; }
.about-points li{ display:flex; gap:14px; align-items:flex-start; font-size:14.5px; color:var(--ink); }
.about-points li::before{ content:"—"; color:var(--rust); font-weight:600; }

/* ---------- filter tabs ---------- */
.tabs{ display:flex; gap:10px; flex-wrap:wrap; }
.tab{
  padding:9px 20px; border:1px solid var(--line); border-radius:30px;
  font-size:12.5px; letter-spacing:.1em; text-transform:uppercase; color:var(--ink-soft);
  cursor:pointer; background:transparent; transition:.2s ease;
}
.tab:hover{ border-color:var(--ink); color:var(--ink); }
.tab.active{ background:var(--ink); border-color:var(--ink); color:#fff; }

/* ---------- project grid ---------- */
.projects{ background:var(--paper-dim); }
.grid{
  display:grid; grid-template-columns:repeat(3,1fr); gap:2px; background:var(--line);
}
.card{
  position:relative; display:block; overflow:hidden; background:#000;
  aspect-ratio:4/5; cursor:pointer;
}
.card[hidden]{ display:none; }
.card img{
  width:100%; height:100%; object-fit:cover;
  transition:transform .8s cubic-bezier(.2,.7,.2,1), filter .6s ease;
  filter:saturate(.94) brightness(.94);
}
.card:hover img{ transform:scale(1.07); filter:saturate(1) brightness(.8); }
.card-num{
  position:absolute; top:22px; left:24px; color:#fff; font-family:var(--serif);
  font-size:13px; letter-spacing:.05em; opacity:.85;
}
.card-status{
  position:absolute; top:20px; right:22px;
  font-size:10.5px; letter-spacing:.14em; text-transform:uppercase; color:#fff;
  padding:5px 11px; border:1px solid rgba(255,255,255,.55); border-radius:20px;
  background:rgba(0,0,0,.18); backdrop-filter:blur(2px);
}
.card-status.ongoing{ border-color:var(--rust); background:rgba(185,85,44,.35); }
.card-info{
  position:absolute; left:0; right:0; bottom:0; padding:26px 24px 24px;
  background:linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(10,8,6,.86) 78%);
  color:#fff; transform:translateY(6px); transition:transform .45s ease;
}
.card-info .loc{ font-size:11.5px; letter-spacing:.1em; text-transform:uppercase; color:#d9cfbd; margin-bottom:6px; display:block; }
.card-info h3{ font-size:21px; font-weight:400; margin-bottom:8px; max-width:22ch; }
.card-info .meta{ font-size:12.5px; color:#cfc7b6; display:flex; gap:10px; flex-wrap:wrap; }
.card-info .meta span:not(:last-child)::after{ content:"·"; margin-left:10px; color:var(--rust); }

/* ---------- why us ---------- */
.why{ background:var(--paper); }
.why-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line); }
.why-item{ background:var(--paper); padding:42px 30px; }
.why-item .n{ font-family:var(--serif); font-size:15px; color:var(--rust); margin-bottom:26px; display:block; }
.why-item h3{ font-size:19px; margin-bottom:12px; }
.why-item p{ color:var(--ink-soft); font-size:14px; }

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--ink); color:#fff; text-align:center; padding:110px 0;
}
.cta-band .eyebrow{ color:#e3c3ac; justify-content:center; }
.cta-band .eyebrow::before{ background:#e3c3ac; }
.cta-band h2{ font-size:clamp(30px,5vw,58px); color:#fff; margin:20px auto 30px; max-width:16ch; }
.cta-band p{ color:#c8c2b4; max-width:52ch; margin:0 auto 40px; font-size:15.5px; }
.cta-actions{ display:flex; gap:16px; justify-content:center; flex-wrap:wrap; }

/* ---------- footer ---------- */
footer{ background:var(--paper-dim); padding:80px 0 30px; }
.foot-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:50px; padding-bottom:60px; border-bottom:1px solid var(--line); }
.foot-brand .logo{ color:var(--ink); font-size:24px; }
.foot-brand p{ color:var(--ink-soft); font-size:14px; margin:18px 0 22px; max-width:32ch; }
.foot-social{ display:flex; gap:14px; }
.foot-social a{ width:36px; height:36px; border:1px solid var(--line); border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:13px; transition:.2s ease; }
.foot-social a:hover{ background:var(--ink); color:#fff; border-color:var(--ink); }
.foot-col h4{ font-family:var(--sans); font-size:12.5px; letter-spacing:.16em; text-transform:uppercase; color:var(--ink); margin-bottom:20px; font-weight:600; }
.foot-col ul{ list-style:none; margin:0; padding:0; display:grid; gap:12px; }
.foot-col a, .foot-col li{ font-size:14.5px; color:var(--ink-soft); }
.foot-col a:hover{ color:var(--rust); }
.foot-bottom{ display:flex; justify-content:space-between; align-items:center; padding-top:26px; flex-wrap:wrap; gap:10px; }
.foot-bottom p{ font-size:13px; color:var(--ink-soft); }
.foot-legal{ display:flex; gap:22px; }
.foot-legal a{ font-size:13px; color:var(--ink-soft); }
.foot-legal a:hover{ color:var(--rust); }

/* ---------- back to top ---------- */
.top-btn{
  position:fixed; right:26px; bottom:26px; z-index:90;
  width:46px; height:46px; border-radius:50%; background:var(--ink); color:#fff;
  display:flex; align-items:center; justify-content:center; font-size:16px;
  opacity:0; pointer-events:none; transform:translateY(8px); transition:.3s ease;
}
.top-btn.show{ opacity:1; pointer-events:auto; transform:none; }

/* ---------- project detail panel ---------- */
.detail{
  position:fixed; inset:0; z-index:200;
  visibility:hidden; opacity:0; transition:opacity .35s ease, visibility 0s linear .35s;
}
.detail.open{ visibility:visible; opacity:1; transition:opacity .35s ease; }
.detail-scrim{ position:absolute; inset:0; background:rgba(15,13,9,.82); backdrop-filter:blur(2px); }
.detail-panel{
  position:absolute; top:0; right:0; bottom:0;
  width:min(1180px, 100%); background:var(--paper);
  overflow-y:auto; -webkit-overflow-scrolling:touch;
  transform:translateX(24px); transition:transform .4s cubic-bezier(.2,.7,.2,1);
  box-shadow:-30px 0 60px rgba(0,0,0,.35);
}
.detail.open .detail-panel{ transform:translateX(0); }
.detail-close{
  position:sticky; top:22px; float:right; margin:0 26px 0 0; z-index:5;
  background:var(--ink); color:#fff; border:0; border-radius:30px; padding:10px 20px;
  font-family:var(--sans); font-size:12px; letter-spacing:.14em; text-transform:uppercase; cursor:pointer;
}
.detail-close:hover{ background:var(--rust); }
.detail-body{
  display:grid; grid-template-columns:1.15fr 1fr; gap:0; clear:both;
}
.detail-gallery{ padding:26px 0 26px 26px; }
.detail-main{
  position:relative; aspect-ratio:4/3; background:#000; border-radius:2px; overflow:hidden;
}
.detail-main img{ width:100%; height:100%; object-fit:cover; }
.detail-arrow{
  position:absolute; top:50%; transform:translateY(-50%); width:42px; height:42px; border-radius:50%;
  border:0; background:rgba(0,0,0,.4); color:#fff; font-size:22px; line-height:1; cursor:pointer;
  display:flex; align-items:center; justify-content:center; transition:.2s ease;
}
.detail-arrow:hover{ background:rgba(0,0,0,.7); }
.detail-arrow.prev{ left:16px; }
.detail-arrow.next{ right:16px; }
.detail-arrow[hidden]{ display:none; }
.detail-count{
  position:absolute; right:16px; bottom:14px; color:#fff; font-size:12px; letter-spacing:.08em;
  background:rgba(0,0,0,.45); padding:4px 10px; border-radius:20px;
}
.detail-thumbs{ display:flex; gap:10px; margin-top:14px; flex-wrap:wrap; }
.detail-thumbs img{
  width:78px; height:60px; object-fit:cover; border-radius:2px; cursor:pointer; opacity:.55;
  border:2px solid transparent; transition:.2s ease;
}
.detail-thumbs img.active{ opacity:1; border-color:var(--rust); }
.detail-info{ padding:52px 48px 60px 40px; }
.detail-info .loc{ font-size:12px; letter-spacing:.12em; text-transform:uppercase; color:var(--rust); display:block; margin-bottom:10px; }
.detail-info h3{ font-size:clamp(26px,3vw,36px); font-weight:300; margin-bottom:18px; }
.detail-meta{ display:flex; gap:10px; flex-wrap:wrap; margin-bottom:26px; }
.detail-meta span{
  font-size:12px; letter-spacing:.06em; text-transform:uppercase; color:var(--ink-soft);
  border:1px solid var(--line); border-radius:20px; padding:6px 14px;
}
.detail-info p{ color:var(--ink-soft); font-size:15px; margin-bottom:24px; }
.detail-features{ list-style:none; margin:0 0 34px; padding:0; display:grid; gap:12px; }
.detail-features li{ font-size:14px; color:var(--ink); display:flex; gap:12px; }
.detail-features li::before{ content:"—"; color:var(--rust); font-weight:600; }

@media (max-width:900px){
  .detail-panel{ width:100%; }
  .detail-body{ grid-template-columns:1fr; }
  .detail-gallery{ padding:20px; }
  .detail-info{ padding:8px 24px 50px; }
}

/* ---------- responsive ---------- */
@media (max-width:980px){
  .about-grid{ grid-template-columns:1fr; }
  .about-media img{ height:400px; }
  .about-tag{ left:16px; bottom:-24px; }
  .grid{ grid-template-columns:repeat(2,1fr); }
  .why-grid{ grid-template-columns:repeat(2,1fr); }
  .foot-grid{ grid-template-columns:1fr 1fr; gap:36px; }
  .hero-stats{ grid-template-columns:repeat(2,1fr); row-gap:20px; }
  .hero-stats div:nth-child(3){ border-left:none; padding-left:0; }
}
@media (max-width:760px){
  .nav{
    position:fixed; inset:0 0 0 auto; width:78vw; max-width:320px; background:var(--paper);
    flex-direction:column; align-items:flex-start; padding:110px 32px 40px; gap:26px;
    transform:translateX(100%); transition:transform .4s ease; box-shadow:-10px 0 40px rgba(0,0,0,.15);
  }
  .nav.open{ transform:translateX(0); }
  .nav a{ color:var(--ink) !important; font-size:14px; }
  .nav-toggle{
    display:flex; flex-direction:column; gap:5px; width:26px; z-index:101; background:none; border:0; cursor:pointer; padding:6px;
  }
  .nav-toggle span{ height:1.5px; background:#fff; transition:.3s ease; }
  .site-header.solid .nav-toggle span{ background:var(--ink); }
  .nav-toggle.open span{ background:var(--ink); }
  .nav-scrim{ position:fixed; inset:0; background:rgba(0,0,0,.35); z-index:99; opacity:0; pointer-events:none; transition:.3s ease; }
  .nav-scrim.show{ opacity:1; pointer-events:auto; }
  .grid{ grid-template-columns:1fr; }
  .why-grid{ grid-template-columns:1fr; }
  .foot-grid{ grid-template-columns:1fr; gap:34px; }
  section{ padding:76px 0; }
  .hero-stats{ grid-template-columns:1fr 1fr; }
}