/* ==========================================================================
   BIG HOMES — Design System
   Display: Fraunces (warm luxury serif) · Body/UI: Manrope
   Signature: thin gold corner-frame motif (echoes "framing a space")
   ========================================================================== */

:root{
  /* ---- palette (per brand brief) ---- */
  --ivory:        #FAF9F6;
  --cream:        #FFF8E7;
  --beige:        #F5F0E6;
  --gold:         #D4AF37;
  --gold-dark:    #B8932C;
  --burnt:        #F58A2A;
  --burnt-dark:   #D9701A;
  --charcoal:     #333333;
  --charcoal-deep:#241F19;   /* warm near-black, used sparingly — never as page bg */
  --white:        #FFFFFF;
  --line:         rgba(51,51,51,0.12);
  --gold-line:    rgba(212,175,55,0.45);

  --font-display: 'Fraunces', Georgia, serif;
  --font-body:    'Manrope', -apple-system, Segoe UI, sans-serif;

  --radius: 4px;
  --shadow-soft: 0 10px 30px rgba(36,31,25,0.08);
  --shadow-lift: 0 18px 40px rgba(36,31,25,0.14);
  --container: 1200px;
  --speed: .35s;
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *,*::before,*::after{ animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

body{
  margin:0;
  background: var(--ivory);
  color: var(--charcoal);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family: inherit; cursor:pointer; }

.container{ max-width: var(--container); margin: 0 auto; padding: 0 24px; }

h1,h2,h3,h4{
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 .5em;
  color: var(--charcoal-deep);
}
h1{ font-size: clamp(2.2rem, 4.5vw, 3.6rem); font-weight: 500; }
h2{ font-size: clamp(1.7rem, 3vw, 2.5rem); }
h3{ font-size: 1.3rem; }
p{ margin:0 0 1em; }

.eyebrow{
  display:inline-flex; align-items:center; gap:10px;
  font-family: var(--font-body);
  font-size: .78rem; font-weight:700; letter-spacing:.18em; text-transform:uppercase;
  color: var(--burnt-dark);
  margin-bottom: 14px;
}
.eyebrow::before{ content:''; width:26px; height:1px; background: var(--gold); }

.lede{ color:#5b554c; font-size:1.05rem; max-width: 640px; }

/* ---- buttons ---- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 700; font-size:.92rem; letter-spacing:.02em;
  border: 1px solid transparent;
  transition: transform var(--speed) ease, box-shadow var(--speed) ease, background var(--speed) ease, color var(--speed) ease;
  white-space: nowrap;
}
.btn-primary{ background: var(--charcoal-deep); color: var(--ivory); }
.btn-primary:hover{ background:#3a3127; box-shadow: var(--shadow-lift); transform: translateY(-2px); }
.btn-gold{ background: var(--burnt); color: var(--white); }
.btn-gold:hover{ background: var(--burnt-dark); box-shadow: var(--shadow-lift); transform: translateY(-2px); }
.btn-outline{ background: transparent; border-color: var(--charcoal-deep); color: var(--charcoal-deep); }
.btn-outline:hover{ background: var(--charcoal-deep); color: var(--ivory); }
.btn-whatsapp{ background:#25D366; color:#fff; }
.btn-whatsapp:hover{ background:#1ebd5a; box-shadow: var(--shadow-lift); transform: translateY(-2px); }
.btn-sm{ padding:10px 18px; font-size:.82rem; }
.btn-block{ width:100%; }

/* ---- signature: gold corner-frame ---- */
.framed{
  position: relative;
  padding: 18px;
}
.framed::before,.framed::after,
.framed .corner-tl,.framed .corner-br{
  content:''; position:absolute; width:34px; height:34px; border: 2px solid var(--gold); z-index:2;
}
.framed::before{ top:0; left:0; border-right:none; border-bottom:none; }
.framed::after{ bottom:0; right:0; border-left:none; border-top:none; }
.framed-media{ overflow:hidden; border-radius: var(--radius); }
.framed-media img{ width:100%; height:100%; object-fit:cover; transition: transform .6s ease; }
.framed:hover .framed-media img{ transform: scale(1.045); }

/* ---- header ---- */
.site-header{
  position: sticky; top:0; z-index: 100;
  background: rgba(250,249,246,0.98);
  border-bottom: 1px solid var(--line);
}
.header-inner{ display:flex; align-items:center; justify-content:space-between; padding: 14px 24px; }
.brand{ display:flex; align-items:center; gap:12px; }
.brand img{ height:50px; width:auto; }

.main-nav{ display:flex; align-items:center; gap:30px; }
.main-nav a{
  font-size:.86rem; font-weight:600; letter-spacing:.03em; text-transform:uppercase;
  color: var(--charcoal); position:relative; padding: 6px 0;
}
.main-nav a::after{
  content:''; position:absolute; left:0; bottom:0; height:2px; width:0; background: var(--gold);
  transition: width var(--speed) ease;
}
.main-nav a:hover::after, .main-nav a.active::after{ width:100%; }
.main-nav a.active{ color: var(--burnt-dark); }

.header-cta{ display:flex; align-items:center; gap:14px; }

/* ---- utility controls: language, currency ---- */
.utility-bar{ display:flex; align-items:center; gap:6px; }
.mini-select{
  border:1px solid var(--line); border-radius:20px; background:transparent; padding:7px 12px;
  font-size:.78rem; font-weight:700; color:var(--charcoal-deep); cursor:pointer; font-family:var(--font-body);
}

.nav-toggle{
  display:none; flex-direction:column; gap:5px; background:none; border:none; padding:8px;
  position: relative; z-index: 160;
}
.nav-toggle span{ width:24px; height:2px; background: var(--charcoal-deep); transition: var(--speed); }
.nav-toggle.open span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2){ opacity:0; }
.nav-toggle.open span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 980px){
  .main-nav{
    position: fixed; inset: 64px 0 0 0; background: var(--ivory);
    flex-direction:column; align-items:flex-start; gap:0; padding: 10px 24px 30px;
    transform: translateX(100%); transition: transform var(--speed) ease, visibility var(--speed);
    visibility: hidden;
    overflow-y:auto; border-top: 1px solid var(--line);
    z-index: 150;
  }
  .main-nav.open{ transform: translateX(0); visibility: visible; }
  .main-nav a{ width:100%; padding: 16px 0; border-bottom:1px solid var(--line); }
  .nav-toggle{ display:flex; z-index: 160; }
  .header-cta .btn-full-label{ display:none; }
  body.nav-open{ overflow:hidden; }
}
@media (max-width: 480px){
  .header-inner{ padding: 12px 14px; gap:8px; }
  .header-cta{ gap:8px; }
  .utility-bar{ gap:4px; }
  .mini-select{ padding:6px 8px; font-size:.7rem; }
}
@media (min-width: 981px){
  .header-cta .btn-short-label{ display:none; }
}

/* ---- hero ---- */
.hero{ position:relative; padding: 70px 0 90px; overflow:hidden; background: var(--cream); }
.hero::before{
  content:''; position:absolute; inset:0;
  background-image: radial-gradient(circle at 1px 1px, var(--charcoal) 1px, transparent 1px);
  background-size: 22px 22px; opacity:.04; pointer-events:none;
}
.hero-grid{ display:grid; grid-template-columns: 1.05fr .95fr; gap:60px; align-items:center; position:relative; }
.hero h1{ margin-bottom:.4em; }
.hero .tagline{ font-family: var(--font-display); font-style:italic; font-size:1.3rem; color: var(--burnt-dark); margin-bottom:18px; }
.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; margin-top: 28px; }
.hero-art{ aspect-ratio: 4/5; }

@media (max-width: 900px){
  .hero-grid{ grid-template-columns: 1fr; gap:36px; }
  .hero-art{ order:-1; aspect-ratio: 16/10; max-width:480px; margin:0 auto; }
}

/* ---- sections ---- */
.section{ padding: 86px 0; }
.section-beige{ background: var(--beige); }
.section-dark{ background: var(--charcoal-deep); color: var(--cream); }
.section-dark h2,.section-dark h3{ color: var(--ivory); }
.section-head{ max-width: 680px; margin-bottom: 50px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }

@media (max-width:640px){ .section{ padding: 56px 0; } }

/* ---- services grid ---- */
.grid-3{ display:grid; grid-template-columns: repeat(3,1fr); gap:28px; }
.grid-4{ display:grid; grid-template-columns: repeat(4,1fr); gap:24px; }
@media (max-width:980px){ .grid-3{ grid-template-columns: repeat(2,1fr);} .grid-4{ grid-template-columns: repeat(2,1fr);} }
@media (max-width:600px){ .grid-3,.grid-4{ grid-template-columns: 1fr; } }

.card{
  background: var(--white); border:1px solid var(--line); border-radius: var(--radius);
  padding: 34px 28px; transition: transform var(--speed) ease, box-shadow var(--speed) ease, border-color var(--speed) ease;
}
.card:hover{ transform: translateY(-6px); box-shadow: var(--shadow-lift); border-color: var(--gold-line); }
.card-icon{
  width:52px; height:52px; border-radius:50%; background: var(--beige);
  display:flex; align-items:center; justify-content:center; margin-bottom:18px; color: var(--burnt-dark);
}
.card h3{ margin-bottom:.4em; }
.card p{ color:#5b554c; font-size:.95rem; margin-bottom:0; }

/* ---- portfolio / product cards ---- */
.proj-card{ position:relative; }
.proj-card .framed-media{ aspect-ratio: 4/5; }
.proj-meta{ padding-top:16px; }
.proj-meta .tag{ font-size:.72rem; text-transform:uppercase; letter-spacing:.12em; color: var(--burnt-dark); font-weight:700; }

.product-card{ background:var(--white); border:1px solid var(--line); border-radius: var(--radius); overflow:hidden; transition: box-shadow var(--speed), transform var(--speed); }
.product-card:hover{ box-shadow: var(--shadow-lift); transform: translateY(-4px); }
.product-card img{ aspect-ratio: 1/1; object-fit:cover; }
.product-body{ padding: 18px; }
.product-body .price{ font-family: var(--font-display); font-size:1.2rem; color: var(--burnt-dark); margin: 6px 0 14px; }
.badge{ display:inline-block; font-size:.68rem; font-weight:700; letter-spacing:.08em; text-transform:uppercase; padding:4px 10px; border-radius:20px; background:var(--beige); color:var(--charcoal); }

/* ---- stats band ---- */
.stats{ display:grid; grid-template-columns: repeat(4,1fr); gap:30px; text-align:center; }
.stat-num{ font-family: var(--font-display); font-size: 2.4rem; color: var(--gold); }
.stat-label{ font-size:.82rem; text-transform:uppercase; letter-spacing:.1em; color: var(--cream); opacity:.8; }
@media (max-width:700px){ .stats{ grid-template-columns: repeat(2,1fr); row-gap:34px; } }

/* ---- testimonials ---- */
.testimonial-card{ background: var(--white); border:1px solid var(--line); padding:30px; border-radius: var(--radius); }
.testimonial-card .stars{ color: var(--gold); letter-spacing:2px; margin-bottom:12px; }
.t-person{ display:flex; align-items:center; gap:12px; margin-top:18px; }
.t-person img{ width:44px; height:44px; border-radius:50%; object-fit:cover; }
.t-person .name{ font-weight:700; font-size:.92rem; }
.t-person .role{ font-size:.78rem; color:#777; }

/* ---- FAQ ---- */
.faq-item{ border-bottom:1px solid var(--line); }
.faq-q{ width:100%; text-align:left; background:none; border:none; padding:20px 0; display:flex; justify-content:space-between; align-items:center; font-weight:700; font-family:var(--font-display); font-size:1.05rem; color: var(--charcoal-deep); }
.faq-a{ max-height:0; overflow:hidden; transition: max-height var(--speed) ease; color:#5b554c; }
.faq-item.open .faq-a{ max-height: 300px; padding-bottom:18px; }
.faq-q .plus{ transition: transform var(--speed) ease; color:var(--burnt); font-size:1.4rem; }
.faq-item.open .faq-q .plus{ transform: rotate(45deg); }

/* ---- forms ---- */
.form-row{ display:grid; grid-template-columns: 1fr 1fr; gap:18px; }
@media (max-width:640px){ .form-row{ grid-template-columns: 1fr; } }
.field{ margin-bottom:18px; }
.field label{ display:block; font-size:.82rem; font-weight:700; margin-bottom:6px; color: var(--charcoal-deep); }
.field input,.field select,.field textarea{
  width:100%; padding: 13px 14px; border:1px solid var(--line); border-radius: var(--radius);
  background: var(--white); font-family: var(--font-body); font-size:.95rem; color: var(--charcoal);
  transition: border-color var(--speed);
}
.field input:focus,.field select:focus,.field textarea:focus{ outline:none; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(212,175,55,.15); }
.field textarea{ min-height:120px; resize: vertical; }

/* ---- newsletter ---- */
.newsletter{ background: var(--beige); border-radius: var(--radius); padding: 44px; text-align:center; }
.newsletter form{ display:flex; gap:10px; max-width:460px; margin:22px auto 0; }
.newsletter input{ flex:1; padding:13px 16px; border:1px solid var(--line); border-radius:var(--radius); }
@media (max-width:480px){ .newsletter form{ flex-direction:column; } }

/* ---- footer ---- */
.site-footer{ background: var(--charcoal-deep); color: var(--cream); padding: 64px 0 24px; }
.footer-grid{ display:grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; }
@media (max-width: 900px){ .footer-grid{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px){ .footer-grid{ grid-template-columns: 1fr; } }
.site-footer h4{ color: var(--gold); font-size:.95rem; text-transform:uppercase; letter-spacing:.08em; margin-bottom:18px; }
.site-footer a{ color: rgba(255,248,231,0.75); display:block; padding:6px 0; font-size:.92rem; transition: color var(--speed); }
.site-footer a:hover{ color: var(--gold); }
.footer-social{ display:flex; gap:14px; margin-top:12px; flex-wrap:wrap; }
.footer-social-link{ display:flex; align-items:center; justify-content:center; opacity:.88; transition: opacity .3s, transform .3s; }
.footer-social-link:hover{ opacity:1; transform: translateY(-3px); }
.footer-social-link img{ width:32px; height:32px; display:block; }
.footer-bottom{ border-top:1px solid rgba(255,248,231,.15); margin-top:48px; padding-top:22px; display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; font-size:.8rem; color:rgba(255,248,231,.55); }

/* ---- floating whatsapp ---- */
.float-whatsapp{
  position: fixed; right:20px; bottom:20px; z-index:200;
  width:58px; height:58px; border-radius:50%; background:#25D366; color:#fff;
  display:flex; align-items:center; justify-content:center; box-shadow: var(--shadow-lift);
  animation: pulse-wa 2.6s infinite;
}
@keyframes pulse-wa{ 0%{box-shadow:0 0 0 0 rgba(37,211,102,.5);} 70%{box-shadow:0 0 0 14px rgba(37,211,102,0);} 100%{box-shadow:0 0 0 0 rgba(37,211,102,0);} }

/* ---- breadcrumb / page header ---- */
.page-head{ background: var(--charcoal-deep); color: var(--ivory); padding: 64px 0 50px; text-align:center; }
.page-head h1{ color: var(--ivory); }
.page-head p{ color: rgba(255,248,231,.7); }
.crumbs{ font-size:.8rem; color: var(--gold); text-transform:uppercase; letter-spacing:.1em; margin-bottom:10px; }

/* ---- filter pills ---- */
.pill-row{ display:flex; gap:10px; flex-wrap:wrap; margin-bottom:40px; }
.pill{ padding:9px 18px; border:1px solid var(--line); border-radius:30px; font-size:.82rem; font-weight:700; }
.pill.active,.pill:hover{ background: var(--charcoal-deep); color: var(--ivory); border-color: var(--charcoal-deep); }

/* ---- utility ---- */
.text-center{ text-align:center; }
.mt-0{ margin-top:0; } .mb-0{ margin-bottom:0; }
.empty-state{ text-align:center; padding: 60px 20px; color:#777; }

/* ---- booking calendar widget ---- */
.bh-datepicker{ position:relative; }
.date-trigger{
  width:100%; text-align:left; padding:13px 14px; border:1px solid var(--line); border-radius:var(--radius);
  background:var(--white); font-family:var(--font-body); font-size:.95rem; color:var(--charcoal); cursor:pointer;
}
.date-trigger:hover{ border-color: var(--gold); }
.date-panel{
  display:none; position:absolute; top:calc(100% + 8px); left:0; z-index:20;
  background:var(--white); border:1px solid var(--line); border-radius:var(--radius);
  box-shadow: var(--shadow-lift); padding:16px; width:300px; max-width:90vw;
}
.date-panel.open{ display:block; }
.date-panel-header{ display:flex; align-items:center; justify-content:space-between; margin-bottom:12px; font-weight:700; font-family:var(--font-display); }
.date-panel-header button{ background:var(--beige); border:none; width:30px; height:30px; border-radius:50%; cursor:pointer; font-size:.9rem; }
.date-grid-labels{ display:grid; grid-template-columns:repeat(7,1fr); text-align:center; font-size:.7rem; color:#999; font-weight:700; margin-bottom:6px; }
.date-grid{ display:grid; grid-template-columns:repeat(7,1fr); gap:4px; }
.date-cell{ aspect-ratio:1/1; border:none; background:none; border-radius:50%; font-size:.85rem; cursor:pointer; color:var(--charcoal); }
.date-cell:hover:not(:disabled){ background:var(--beige); }
.date-cell.is-today{ font-weight:700; color:var(--burnt-dark); }
.date-cell.is-selected{ background:var(--burnt); color:#fff; }
.date-cell.is-past{ color:#ddd; cursor:not-allowed; }
.date-cell.is-blocked{ color:#d9534f; text-decoration:line-through; cursor:not-allowed; background:#fdeaea; }
.date-panel-legend{ display:flex; align-items:center; gap:6px; font-size:.74rem; color:#777; margin-top:12px; border-top:1px solid var(--line); padding-top:10px; }
.dot{ width:9px; height:9px; border-radius:50%; display:inline-block; }
.dot-blocked{ background:#fdeaea; border:1px solid #d9534f; }

/* ---- project cost estimator ---- */
.estimator-steps{ display:flex; gap:6px; margin-bottom:30px; }
.estimator-steps span{ flex:1; height:4px; border-radius:2px; background:var(--beige); }
.estimator-steps span.done{ background:var(--gold); }
.option-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(140px,1fr)); gap:14px; }
.option-card{
  border:2px solid var(--line); border-radius:8px; padding:20px 14px; text-align:center; cursor:pointer;
  transition: border-color var(--speed), background var(--speed);
}
.option-card:hover{ border-color: var(--gold-line); }
.option-card.selected{ border-color: var(--burnt); background: var(--beige); }
.estimate-result{ background:var(--beige); border-radius:8px; padding:30px; text-align:center; }
.estimate-result .range{ font-family:var(--font-display); font-size:2rem; color:var(--burnt-dark); margin:10px 0; }

/* ---- scroll reveal ---- */
.reveal{ opacity:0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in{ opacity:1; transform: translateY(0); }