/* SANGA INTERIOR WRAP — shared stylesheet
   Identity: black, gold, cream. Gold is used at two strengths:
   --gold / --gold2 on dark surfaces, --gold-ink for gold text on light surfaces
   (the lighter golds do not reach 4.5:1 contrast on cream). */

:root{
  --black:#0b0b0b;
  --ink:#151515;
  --gold:#c9a35b;
  --gold2:#e4c47b;
  --gold-ink:#7a5a12;
  --cream:#f7f4ed;
  --white:#fff;
  --muted:#5e5e5e;
  --muted-dark:#c3c3c3;
  --line:#e4ded3;
  --wa:#0a7a3d;
  --radius:18px;
  --shadow:0 18px 50px rgba(0,0,0,.12);
  --head:76px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:Inter,"Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--cream);line-height:1.65;overflow-x:hidden}
img{max-width:100%;display:block;height:auto}
a{text-decoration:none;color:inherit}
button,input,select,textarea{font:inherit}
h1,h2,h3{text-wrap:balance}
p{text-wrap:pretty}

/* Anchored sections must clear the fixed header */
[id]{scroll-margin-top:calc(var(--head) + 14px)}

:focus-visible{outline:3px solid var(--gold2);outline-offset:3px;border-radius:4px}
.skip{position:absolute;left:-9999px;top:0;z-index:200;background:var(--gold2);color:#111;padding:12px 18px;font-weight:700;border-radius:0 0 10px 0}
.skip:focus{left:0}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

.container{width:min(1180px,92%);margin-inline:auto}
.serif{font-family:"Cormorant Garamond",Georgia,"Times New Roman",serif}
.eyebrow{font-size:12px;letter-spacing:.26em;text-transform:uppercase;color:var(--gold-ink);font-weight:700;margin:0}
.dark .eyebrow,.contact .eyebrow,.hero .eyebrow{color:var(--gold2)}

/* ---------- Header ---------- */
header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(8,8,8,.88);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.1)}
.nav{min-height:var(--head);display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:inline-flex;align-items:center}
.brand img{width:142px;height:58px;object-fit:contain;background:#fff;border-radius:6px;padding:2px}
#site-nav{display:flex;align-items:center;gap:22px;color:#fff;font-size:13px;font-weight:600}
#site-nav a{opacity:.92;padding:6px 0}
#site-nav a:hover,#site-nav a:focus-visible{color:var(--gold2);opacity:1}
.nav-cta{padding:12px 20px;border:1px solid var(--gold);border-radius:999px;color:#fff;white-space:nowrap}
.nav-cta:hover{background:var(--gold2);color:#111!important;border-color:var(--gold2)}
.menu{display:none;background:none;border:1px solid rgba(255,255,255,.35);border-radius:10px;color:#fff;width:46px;height:46px;font-size:22px;cursor:pointer;align-items:center;justify-content:center}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:14px 24px;border-radius:999px;font-weight:700;font-size:13.5px;letter-spacing:.04em;transition:transform .2s ease,background .2s ease,color .2s ease;cursor:pointer;text-align:center}
.btn-gold{background:var(--gold2);color:#111;border:1px solid var(--gold2)}
.btn-gold:hover{background:var(--gold)}
.btn-outline{border:1px solid rgba(255,255,255,.65);color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.12)}
.btn-dark{background:var(--black);color:#fff;border:1px solid var(--black)}
.btn-dark:hover{background:#242424}
.btn-wa{background:var(--wa);color:#fff;border:1px solid var(--wa)}
.btn-wa:hover{background:#086a34}
.btn:hover{transform:translateY(-2px)}
.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}

/* ---------- Hero ---------- */
.hero{position:relative;isolation:isolate;display:flex;align-items:center;min-height:min(760px,92vh);padding:calc(var(--head) + 70px) 0 90px;overflow:hidden}
.hero-media{position:absolute;inset:0;z-index:-2}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:60% center}
.hero-scrim{position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(0,0,0,.9) 0%,rgba(0,0,0,.66) 46%,rgba(0,0,0,.2) 80%)}
.hero-scrim:after{content:"";position:absolute;inset:auto 0 0;height:130px;background:linear-gradient(transparent,var(--cream))}
.hero-content{position:relative;color:#fff;max-width:690px}
.hero h1{font-size:clamp(44px,7vw,84px);line-height:.95;margin:16px 0 22px;font-weight:600}
.hero h1 em{color:var(--gold2);font-style:normal}
.hero p{font-size:clamp(16px,1.6vw,18px);max-width:580px;color:#f0ece4}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:28px;padding:0;list-style:none;font-size:13px;font-weight:600;color:#f3efe6}
.hero-trust li{display:flex;align-items:center;gap:8px}
.hero-trust svg{flex:none;color:var(--gold2)}

/* ---------- Sections ---------- */
section{padding:92px 0}
.section-head{display:flex;justify-content:space-between;gap:44px;align-items:end;margin-bottom:44px}
.section-head h2{font-size:clamp(34px,5vw,56px);line-height:1;margin:12px 0 0;font-weight:600}
.section-head p{max-width:520px;color:var(--muted);margin:0}
.dark{background:var(--black);color:#fff}
.dark .section-head p{color:var(--muted-dark)}

/* ---------- Trust strip ---------- */
.strip{background:var(--black);color:#fff;padding:0}
.strip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.12)}
.strip-item{background:var(--black);padding:26px 22px}
.strip-item b{display:block;font-size:15px;margin-bottom:4px;color:var(--gold2)}
.strip-item span{font-size:13.5px;color:var(--muted-dark)}

/* ---------- Services ---------- */
.services{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.service{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 8px 30px rgba(0,0,0,.04);display:flex;flex-direction:column}
.service img{aspect-ratio:16/10;width:100%;object-fit:cover}
.service-body{padding:22px}
.service h3{margin:0 0 7px;font-size:19px}
.service p{margin:0;color:#585858;font-size:14.5px}

/* ---------- Materials ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.split-media{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.split-media img{aspect-ratio:4/5;width:100%;object-fit:cover}
.split h2{font-size:clamp(32px,4.4vw,52px);line-height:1.02;margin:12px 0 18px}
.ticks{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:13px}
.ticks li{display:grid;grid-template-columns:22px 1fr;gap:12px;align-items:start;font-size:15px}
.ticks svg{margin-top:5px;color:var(--gold-ink)}
.dark .ticks svg{color:var(--gold2)}
.ticks b{display:block}
.ticks span{color:var(--muted);font-size:14px}
.dark .ticks span{color:var(--muted-dark)}

/* ---------- Guarantee ---------- */
.guarantee{background:linear-gradient(115deg,#0a0a0a 0%,#191308 58%,#241a09 100%);color:#fff}
.guarantee-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:50px;align-items:center}
.seal{width:150px;height:150px;border-radius:50%;border:2px solid var(--gold);display:grid;place-items:center;text-align:center;font-weight:700;font-size:13px;letter-spacing:.12em;color:var(--gold2);line-height:1.5;text-transform:uppercase;margin-bottom:26px}
.guarantee h2{font-size:clamp(32px,4.6vw,54px);line-height:1.02;margin:12px 0 18px}
.guarantee p{color:#ddd7c9}

/* ---------- Process ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px 26px;position:relative}
.step-no{font-family:"Cormorant Garamond",Georgia,serif;font-size:44px;line-height:1;color:var(--gold-ink);font-weight:700}
.step h3{margin:10px 0 8px;font-size:19px}
.step p{margin:0;color:#585858;font-size:14.5px}

/* ---------- Projects ---------- */
.projects{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.project{background:#141414;border:1px solid #2c2c2c;border-radius:var(--radius);overflow:hidden}
.compare{display:grid;grid-template-columns:1fr 1fr}
.compare figure{margin:0;position:relative}
.compare img{aspect-ratio:3/4;width:100%;object-fit:cover}
.tag{position:absolute;top:14px;left:14px;background:rgba(0,0,0,.82);color:#fff;padding:7px 12px;border-radius:999px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.12em}
.tag.after{background:var(--gold2);color:#111}
.project-copy{padding:22px}
.project-copy h3{margin:0 0 6px;font-size:22px}
.project-copy p{margin:0;color:#c9c9c9;font-size:14.5px}

/* ---------- Areas served ---------- */
.areas{display:grid;grid-template-columns:.9fr 1.1fr;gap:50px;align-items:start}
.area-list{display:flex;flex-wrap:wrap;gap:10px;padding:0;margin:0;list-style:none}
.area-list li{background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 16px;font-size:13.5px;font-weight:500}

/* ---------- About ---------- */
.about{display:grid;grid-template-columns:1.1fr .9fr;gap:52px;align-items:center}
.about-img{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.about-img img{aspect-ratio:4/5;width:100%;object-fit:cover}
.about-copy h2{font-size:clamp(34px,4.6vw,56px);line-height:1.02;margin:12px 0 20px}
.about-copy p{color:var(--muted)}
.points{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:30px}
.point{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px}
.point b{display:block;margin-bottom:4px}
.point span{font-size:13.5px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq{max-width:840px;margin-inline:auto}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden}
.faq summary{cursor:pointer;padding:20px 22px;font-weight:700;font-size:16px;display:flex;justify-content:space-between;gap:16px;align-items:center;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";font-size:24px;color:var(--gold-ink);line-height:1;flex:none}
.faq details[open] summary:after{content:"\2212"}
.faq p{margin:0;padding:0 22px 22px;color:var(--muted);font-size:15px}

/* ---------- Contact ---------- */
.contact{background:linear-gradient(110deg,#0a0a0a,#17130d);color:#fff}
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:52px;align-items:start}
.contact h2{font-size:clamp(36px,5vw,60px);line-height:1.02;margin:14px 0}
.contact p{color:#cfcfcf}
.contact-details{margin-top:28px;display:grid;gap:14px}
.detail{display:flex;gap:14px;align-items:flex-start}
.detail svg{flex:none;margin-top:4px;color:var(--gold2)}
.detail strong{color:#fff;display:block}
.detail span{color:#cfcfcf;font-size:14.5px}
.detail a:hover{color:var(--gold2)}
.form{background:#fff;color:#111;padding:30px;border-radius:var(--radius);box-shadow:var(--shadow)}
.form h3{margin:0 0 6px;font-size:26px}
.form-intro{margin:0 0 22px;font-size:14px;color:#585858}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form label{font-size:12.5px;font-weight:700;display:block}
.form input,.form select,.form textarea{width:100%;margin-top:7px;padding:14px;border:1px solid #ccc7bd;border-radius:10px;background:#fff;color:#111;min-height:48px}
.form input:focus,.form select:focus,.form textarea:focus{border-color:var(--gold-ink);outline:2px solid var(--gold2);outline-offset:1px}
.form textarea{min-height:130px;resize:vertical}
.req{color:#a3341f}
.full{grid-column:1/-1}
.form button{width:100%;margin-top:18px;border:0}
.form-note{font-size:12.5px;color:#585858;margin:14px 0 0}
.form-status{margin:14px 0 0;font-size:14px;font-weight:600;padding:12px 14px;border-radius:10px;display:none}
.form-status.show{display:block}
.form-status.ok{background:#eaf6ee;color:#0a5c2c;border:1px solid #bcdfc9}
.form-status.err{background:#fdeeeb;color:#8c2a17;border:1px solid #f2c9c1}
.hp{position:absolute;left:-9999px}

/* ---------- Footer ---------- */
footer{background:#050505;color:#bdbdbd;padding:56px 0 30px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:14px;color:#fff;margin-bottom:16px}
.footer-brand img{width:104px;height:44px;object-fit:contain;background:#fff;border-radius:4px}
footer h2{font-size:13px;letter-spacing:.18em;text-transform:uppercase;color:var(--gold2);margin:0 0 14px}
footer ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}
footer a:hover{color:var(--gold2)}
.copy{font-size:12px;margin-top:40px;padding-top:22px;border-top:1px solid #1c1c1c;color:#8f8f8f}

/* ---------- Floating WhatsApp CTA ---------- */
.wa-float{position:fixed;right:18px;bottom:18px;z-index:120;display:inline-flex;align-items:center;gap:10px;background:var(--wa);color:#fff;font-weight:700;font-size:14px;padding:14px 20px;border-radius:999px;box-shadow:0 12px 34px rgba(0,0,0,.34);min-height:56px;transition:transform .2s ease,background .2s ease}
.wa-float:hover{background:#086a34;transform:translateY(-2px)}
.wa-float svg{flex:none}

/* ---------- Simple pages (404 / thank you) ---------- */
.simple{min-height:100vh;display:grid;place-items:center;text-align:center;padding:calc(var(--head) + 60px) 0 70px}
.simple h1{font-size:clamp(38px,6vw,64px);line-height:1.02;margin:14px 0 18px}
.simple p{color:var(--muted);max-width:520px;margin-inline:auto}
.simple .actions{justify-content:center}

/* ---------- Responsive ---------- */
@media(max-width:1000px){
  .services,.steps{grid-template-columns:repeat(2,1fr)}
  .strip-grid{grid-template-columns:repeat(2,1fr)}
  .split,.about,.contact-grid,.guarantee-grid,.areas{grid-template-columns:1fr;gap:36px}
  .split-media img,.about-img img{aspect-ratio:16/10}
  .projects{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:860px){
  #site-nav{display:none;position:absolute;top:100%;left:0;right:0;background:rgba(8,8,8,.98);border-bottom:1px solid rgba(255,255,255,.12);flex-direction:column;align-items:stretch;gap:0;padding:10px 6%;font-size:15px}
  #site-nav.open{display:flex}
  #site-nav a{padding:14px 0;border-bottom:1px solid rgba(255,255,255,.08)}
  #site-nav .nav-cta{border-bottom:0;margin:14px 0 8px;text-align:center;justify-content:center}
  .menu{display:inline-flex}
  .section-head{display:block}
  .section-head p{margin-top:16px}
}
@media(max-width:620px){
  :root{--head:66px}
  section{padding:66px 0}
  .brand img{width:120px;height:50px}
  .hero{min-height:auto;padding:calc(var(--head) + 56px) 0 70px}
  .hero-scrim{background:linear-gradient(180deg,rgba(0,0,0,.82) 0%,rgba(0,0,0,.72) 55%,rgba(0,0,0,.86) 100%)}
  .hero h1{font-size:clamp(36px,10vw,50px)}
  .services,.steps,.points,.form-grid,.footer-grid,.strip-grid{grid-template-columns:1fr}
  .full{grid-column:auto}
  .compare img{aspect-ratio:1/1}
  .form{padding:22px}
  .actions .btn{width:100%}
  .wa-float{right:12px;bottom:12px;padding:13px 18px;font-size:13.5px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*:before,*:after{animation-duration:.001ms!important;transition-duration:.001ms!important}
  .btn:hover,.wa-float:hover{transform:none}
}
@media print{
  header,.wa-float,.hero-media,.form{display:none}
  body{background:#fff;color:#000}
}