/* =========================================================
   NOIR Auto Detailing — fictional demo for the ARQENVO Digital portfolio
   Deep black base, warm gold accent, serif display type.
   ========================================================= */

@font-face{
  font-family:"Cormorant Garamond";
  font-style:normal;
  font-weight:500 600;
  font-display:swap;
  src:url("../assets/fonts/cormorant-garamond-latin.woff2") format("woff2");
}
@font-face{
  font-family:"Inter Tight";
  font-style:normal;
  font-weight:400 700;
  font-display:swap;
  src:url("../assets/fonts/inter-tight-latin.woff2") format("woff2");
}

:root{
  --bg:#0a0a0b;
  --bg-2:#111113;
  --surface:#16161a;
  --line:rgba(255,255,255,.09);
  --line-gold:rgba(201,169,97,.35);

  --text:#f2efe8;
  --text-soft:#b9b4aa;
  --text-muted:#8f8a80;

  --gold:#c9a961;
  --gold-light:#dcc285;
  --gold-ink:#141008;

  --danger:#f0a097;

  --serif:"Cormorant Garamond", Georgia, "Times New Roman", serif;
  --sans:"Inter Tight", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;

  --container:1200px;
  --gutter:clamp(20px, 4vw, 40px);
  --section-y:clamp(80px, 11vw, 140px);
  --header-h:112px;
  --ease:cubic-bezier(.16,1,.3,1);
}

/* ---------- Base ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-padding-top:calc(var(--header-h) + 12px);-webkit-text-size-adjust:100%;}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth;}}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  font-size:1.0625rem;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:clip;
}
img{display:block;max-width:100%;height:auto;}
h1,h2,h3,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:inherit;}
button,input,select,textarea{font:inherit;color:inherit;}
::selection{background:var(--gold);color:var(--gold-ink);}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px;}

.sr-only{position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
.skip-link{
  position:absolute;left:16px;top:-80px;z-index:300;
  padding:.7rem 1rem;border-radius:6px;
  background:var(--gold);color:var(--gold-ink);font-weight:600;text-decoration:none;
}
.skip-link:focus{top:16px;}

.container{
  width:100%;
  max-width:calc(var(--container) + var(--gutter) * 2);
  margin-inline:auto;
  padding-inline:var(--gutter);
}

/* Image frames keep their shape and a dark fallback if an image fails */
.img-frame{
  position:relative;overflow:hidden;
  background:linear-gradient(145deg, #1d1c1a, #0d0d0e 70%);
}
.img-frame img{width:100%;height:100%;object-fit:cover;}
.img-frame.img-failed img{visibility:hidden;}

/* ---------- Type ---------- */
.eyebrow{
  font-size:.75rem;font-weight:600;letter-spacing:.22em;text-transform:uppercase;
  color:var(--gold);margin-bottom:1.1rem;
}
h1,h2{font-family:var(--serif);font-weight:500;letter-spacing:-.01em;line-height:1.05;}
h2{font-size:clamp(2.2rem, 1.5rem + 2.8vw, 3.6rem);margin-bottom:1.1rem;text-wrap:balance;}
h3{font-family:var(--serif);font-weight:600;font-size:1.65rem;line-height:1.15;letter-spacing:.005em;}
em{font-style:italic;color:var(--gold-light);}
.gold{color:var(--gold-light);font-weight:600;}
.section-lead{color:var(--text-soft);max-width:56ch;font-size:1.08rem;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  min-height:50px;padding:.8rem 1.6rem;
  border:1px solid transparent;border-radius:2px;
  font-size:.82rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  text-decoration:none;text-align:center;cursor:pointer;
  transition:background-color .35s var(--ease), color .35s var(--ease), border-color .35s var(--ease), transform .35s var(--ease);
}
.btn:active{transform:translateY(1px);}
.btn-gold{background:var(--gold);color:var(--gold-ink);}
.btn-gold:hover{background:var(--gold-light);}
.btn-outline{border-color:var(--line-gold);color:var(--text);background:transparent;}
.btn-outline:hover{border-color:var(--gold);color:var(--gold-light);}
.btn-sm{min-height:42px;padding:.55rem 1.1rem;font-size:.72rem;}
.btn-block{width:100%;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  border-bottom:1px solid transparent;
  transition:border-color .4s var(--ease);
}
.site-header::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:rgba(10,10,11,.72);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
}
.site-header.is-scrolled{border-bottom-color:var(--line);}

.demo-bar{
  display:flex;align-items:center;justify-content:center;gap:.6rem;
  padding:.45rem var(--gutter);
  background:#1a1610;
  border-bottom:1px solid var(--line-gold);
  color:#e6d7b1;
  font-size:.78rem;line-height:1.35;text-align:center;
}
.demo-tag{
  flex:none;
  padding:.1rem .45rem;border-radius:2px;
  background:var(--gold);color:var(--gold-ink);
  font-size:.62rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
}

.nav-row{display:flex;align-items:center;gap:2rem;height:72px;}
.wordmark{display:inline-flex;flex-direction:column;line-height:1;text-decoration:none;}
.wordmark-main{font-family:var(--serif);font-size:1.75rem;font-weight:600;letter-spacing:.32em;}
.wordmark-sub{margin-top:.3rem;font-size:.58rem;font-weight:600;letter-spacing:.42em;text-transform:uppercase;color:var(--gold);}

.main-nav{margin-left:auto;}
.main-nav ul{display:flex;gap:1.6rem;}
.main-nav a{
  position:relative;padding:.4rem 0;
  font-size:.86rem;color:var(--text-soft);text-decoration:none;
  transition:color .3s var(--ease);
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--gold);
  transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease);
}
.main-nav a:hover,.main-nav a[aria-current="true"]{color:var(--text);}
.main-nav a:hover::after,.main-nav a[aria-current="true"]::after{transform:scaleX(1);}

.menu-toggle{
  display:none;margin-left:auto;
  width:46px;height:46px;border:1px solid var(--line-gold);border-radius:2px;
  background:transparent;cursor:pointer;
  position:relative;
}
.menu-toggle span{
  position:absolute;left:13px;right:13px;height:1.5px;background:var(--text);
  transition:transform .35s var(--ease), top .35s var(--ease);
}
.menu-toggle span:first-child{top:18px;}
.menu-toggle span:last-child{top:26px;}
.menu-open .menu-toggle span:first-child{top:22px;transform:rotate(45deg);}
.menu-open .menu-toggle span:last-child{top:22px;transform:rotate(-45deg);}

.mobile-menu{
  position:fixed;left:0;right:0;bottom:0;
  top:var(--header-actual, var(--header-h));
  background:var(--bg);
  padding:1rem var(--gutter) calc(1.5rem + env(safe-area-inset-bottom));
  display:flex;flex-direction:column;justify-content:space-between;gap:2rem;
  overflow-y:auto;
}
.mobile-menu[hidden]{display:none;}
.mobile-menu li{border-bottom:1px solid var(--line);}
.mobile-menu nav a{
  display:block;padding:1rem 0;
  font-family:var(--serif);font-size:1.9rem;font-weight:500;text-decoration:none;
}
.menu-open{overflow:hidden;}

@media (max-width:1079px){
  .main-nav,.header-cta{display:none;}
  .menu-toggle{display:block;}
}
@media (min-width:1080px){.mobile-menu{display:none!important;}}

/* ---------- Hero ---------- */
.hero{
  position:relative;isolation:isolate;
  min-height:min(88vh, 860px);
  display:flex;align-items:flex-end;
  padding-block:clamp(120px, 18vh, 200px) clamp(64px, 10vh, 120px);
}
.hero-media{position:absolute;inset:0;z-index:-1;}
.hero-media img{object-position:60% 50%;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(90deg, rgba(10,10,11,.92) 0%, rgba(10,10,11,.6) 45%, rgba(10,10,11,.15) 100%),
    linear-gradient(0deg, var(--bg) 0%, rgba(10,10,11,0) 35%);
}
.hero-content{max-width:calc(var(--container) + var(--gutter) * 2);}
.hero-title{
  font-size:clamp(2.75rem, 1.6rem + 4.2vw, 5.25rem);
  max-width:13ch;margin-bottom:1.5rem;
}
.hero-lead{max-width:44ch;color:var(--text-soft);font-size:clamp(1.05rem, 1rem + .3vw, 1.2rem);margin-bottom:2.25rem;}
.hero-ctas{display:flex;flex-wrap:wrap;gap:.9rem;}

@media (prefers-reduced-motion:no-preference){
  .js .reveal-hero{opacity:0;transform:translateY(18px);animation:rise 1.1s var(--ease) forwards;}
  .js .reveal-hero:nth-child(2){animation-delay:.12s;}
  .js .reveal-hero:nth-child(3){animation-delay:.24s;}
  .js .reveal-hero:nth-child(4){animation-delay:.36s;}
  .js .hero-media img{animation:settle 2.4s var(--ease) both;}
}
@keyframes rise{to{opacity:1;transform:none;}}
@keyframes settle{from{transform:scale(1.06);}to{transform:none;}}

/* ---------- Sections ---------- */
.section{padding-block:var(--section-y);}
.section-alt{background:var(--bg-2);border-block:1px solid var(--line);}
.section-head{margin-bottom:clamp(2.5rem, 5vw, 4rem);max-width:720px;}

/* Services */
.service-grid{display:grid;grid-template-columns:repeat(4, minmax(0,1fr));gap:1.25rem;}
.service-card{
  background:var(--surface);border:1px solid var(--line);
  transition:border-color .5s var(--ease), transform .5s var(--ease);
}
.service-card:hover{border-color:var(--line-gold);transform:translateY(-4px);}
.service-img{aspect-ratio:4/3;}
.service-img img{transition:transform 1.2s var(--ease);}
.service-card:hover .service-img img{transform:scale(1.05);}
.service-body{padding:1.5rem 1.4rem 1.75rem;}
.service-num{display:block;font-size:.75rem;font-weight:600;letter-spacing:.2em;color:var(--gold);margin-bottom:.6rem;}
.service-body h3{margin-bottom:.6rem;}
.service-body p{color:var(--text-soft);font-size:.96rem;}

/* Before & After */
.results-grid{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(2rem, 5vw, 4.5rem);align-items:center;}
.results-grid .section-head{margin-bottom:0;}
.sim-note{
  margin-top:1.5rem;padding:.9rem 1rem;
  border-left:2px solid var(--gold);
  background:rgba(201,169,97,.07);
  color:var(--text-soft);font-size:.92rem;
}
.sim-note strong{color:var(--text);}
.compare{--pos:50%;}
.compare-stage{aspect-ratio:3/2;border:1px solid var(--line);user-select:none;}
.compare-before{position:absolute;inset:0;clip-path:inset(0 calc(100% - var(--pos)) 0 0);}
.compare-before img{width:100%;height:100%;object-fit:cover;filter:grayscale(.55) contrast(.62) brightness(.82) blur(.6px);}
.compare-before::after{
  content:"";position:absolute;inset:0;
  background:
    repeating-radial-gradient(circle at 62% 40%, rgba(255,255,255,.05) 0 1px, transparent 1px 7px),
    rgba(150,140,125,.18);
  mix-blend-mode:screen;
}
.compare-handle{
  position:absolute;top:0;bottom:0;left:var(--pos);width:2px;margin-left:-1px;
  background:var(--gold);pointer-events:none;
}
.compare-handle::after{
  content:"";position:absolute;top:50%;left:50%;width:40px;height:40px;
  transform:translate(-50%,-50%);border-radius:50%;
  background:var(--bg) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23c9a961' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M9 6l-6 6 6 6M15 6l6 6-6 6'/%3E%3C/svg%3E") center/20px no-repeat;
  border:1px solid var(--gold);
}
.compare-label{
  position:absolute;top:1rem;padding:.3rem .6rem;
  background:rgba(10,10,11,.75);border:1px solid var(--line);
  font-size:.68rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
}
.compare-label-before{left:1rem;}
.compare-label-after{right:1rem;color:var(--gold-light);}
.compare-range{width:100%;margin:1.25rem 0 .75rem;accent-color:var(--gold);cursor:pointer;}
.compare figcaption{font-size:.84rem;color:var(--text-muted);}

/* Packages */
.package-grid{display:grid;grid-template-columns:repeat(3, minmax(0,1fr));gap:1.25rem;align-items:stretch;}
.package{
  position:relative;display:flex;flex-direction:column;
  padding:2.25rem 1.9rem;
  background:var(--surface);border:1px solid var(--line);
  transition:border-color .5s var(--ease);
}
.package:hover{border-color:var(--line-gold);}
.package-featured{border-color:var(--line-gold);background:linear-gradient(180deg, #1c1912, var(--surface) 55%);}
.package-badge{
  position:absolute;top:-.8rem;left:1.9rem;
  padding:.25rem .6rem;background:var(--gold);color:var(--gold-ink);
  font-size:.64rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
}
.package h3{font-size:2rem;margin-bottom:.35rem;}
.package-desc{color:var(--text-soft);font-size:.95rem;margin-bottom:1.5rem;}
.price{font-family:var(--serif);font-size:2.4rem;font-weight:600;line-height:1.1;color:var(--gold-light);margin-bottom:1.5rem;}
.price-from{display:block;font-family:var(--sans);font-size:.72rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--text-muted);margin-bottom:.35rem;}
.price-request{font-size:2rem;}
.ticks{display:grid;gap:.7rem;margin-bottom:2rem;flex:1;align-content:start;}
.ticks li{position:relative;padding-left:1.6rem;color:var(--text-soft);font-size:.95rem;}
.ticks li::before{content:"";position:absolute;left:0;top:.62em;width:.8rem;height:1px;background:var(--gold);}

/* Process */
.process-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(2rem, 6vw, 5.5rem);align-items:center;}
.process-media{aspect-ratio:4/5;border:1px solid var(--line);}
.steps{display:grid;gap:0;}
.step{display:grid;grid-template-columns:4rem 1fr;gap:1rem;padding:1.6rem 0;border-top:1px solid var(--line);}
.step:last-child{border-bottom:1px solid var(--line);}
.step-num{font-family:var(--serif);font-size:2.2rem;line-height:1;color:var(--gold);}
.step h3{margin-bottom:.4rem;}
.step p{color:var(--text-soft);}

/* FAQ */
.faq-wrap{max-width:900px;}
.faq-list{border-top:1px solid var(--line);}
.faq-list details{border-bottom:1px solid var(--line);}
.faq-list summary{
  display:flex;justify-content:space-between;align-items:center;gap:1.5rem;
  padding:1.4rem 0;cursor:pointer;list-style:none;
  font-family:var(--serif);font-size:1.4rem;font-weight:600;line-height:1.3;
}
.faq-list summary::-webkit-details-marker{display:none;}
.faq-list summary::after{
  content:"+";flex:none;
  font-family:var(--sans);font-size:1.4rem;font-weight:400;color:var(--gold);
  transition:transform .35s var(--ease);
}
.faq-list details[open] summary::after{transform:rotate(45deg);}
.faq-list summary:hover{color:var(--gold-light);}
.faq-list details p{padding:0 2.5rem 1.5rem 0;color:var(--text-soft);max-width:70ch;}

/* Contact */
.contact-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(2rem, 6vw, 5rem);align-items:start;}
.contact-grid .section-head{margin-bottom:0;}
.contact-form{display:grid;gap:1.25rem;padding:clamp(1.5rem, 3.5vw, 2.5rem);background:var(--surface);border:1px solid var(--line);}
.field{display:grid;gap:.45rem;}
.field label{font-size:.88rem;font-weight:600;letter-spacing:.02em;}
.req{color:var(--gold);}
.field input,.field select,.field textarea{
  width:100%;padding:.85rem 1rem;
  background:var(--bg);border:1px solid rgba(255,255,255,.16);border-radius:2px;
  font-size:1rem;line-height:1.4;
  transition:border-color .25s, box-shadow .25s;
}
.field select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23c9a961' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .9rem center;background-size:18px;padding-right:2.6rem;}
.field select option{background:var(--bg);}
.field textarea{resize:vertical;min-height:130px;}
.field ::placeholder{color:#7d786f;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(201,169,97,.2);}
.field [aria-invalid="true"]{border-color:var(--danger);}
.field-err{font-size:.86rem;color:var(--danger);}
.field-err:empty{display:none;}
.form-foot{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1rem;}
.req-note{font-size:.84rem;color:var(--text-muted);}
.form-status:empty{display:none;}
.form-status{
  padding:1rem 1.1rem;border:1px solid var(--line-gold);background:rgba(201,169,97,.08);
  font-size:.95rem;color:var(--text);
}

/* Footer */
.site-footer{padding-top:clamp(3.5rem, 7vw, 5rem);border-top:1px solid var(--line);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:2.5rem;padding-bottom:3rem;}
.footer-heading{font-size:.72rem;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--gold);margin-bottom:1rem;}
.footer-text{color:var(--text-soft);font-size:.95rem;margin-top:1rem;max-width:40ch;}
.footer-heading + .footer-text{margin-top:0;}
.footer-text a,.credits a{color:var(--gold-light);}
.footer-links{display:grid;gap:.5rem;}
.footer-links a{color:var(--text-soft);text-decoration:none;font-size:.95rem;}
.footer-links a:hover{color:var(--gold-light);}
.footer-disclaimer{
  display:grid;gap:.6rem;
  position:relative;
  padding-block:1.75rem 2.25rem;
  font-size:.84rem;color:var(--text-muted);
}
.footer-disclaimer::before{
  content:"";position:absolute;top:0;left:var(--gutter);right:var(--gutter);height:1px;background:var(--line);
}
.footer-disclaimer strong{color:#e6d7b1;}

/* Scroll reveal */
@media (prefers-reduced-motion:no-preference){
  .js .reveal{opacity:0;transform:translateY(22px);transition:opacity 1s var(--ease), transform 1s var(--ease);}
  .js .reveal.is-visible{opacity:1;transform:none;}
  .js .service-card.reveal.is-visible:hover{transform:translateY(-4px);}
}

/* ---------- Responsive ---------- */
@media (max-width:1079px){
  .service-grid{grid-template-columns:repeat(2, minmax(0,1fr));}
  .results-grid,.process-grid,.contact-grid{grid-template-columns:1fr;}
  .package-grid{grid-template-columns:1fr;max-width:560px;}
  .process-media{aspect-ratio:16/10;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-grid > :first-child{grid-column:1 / -1;}
}
@media (max-width:640px){
  body{font-size:1rem;}
  .demo-bar{font-size:.72rem;justify-content:flex-start;text-align:left;}
  .nav-row{height:64px;}
  .wordmark-main{font-size:1.5rem;}
  .hero{min-height:auto;padding-top:clamp(140px, 30vh, 220px);}
  .hero-media img{object-position:62% 50%;}
  .hero-media::after{
    background:linear-gradient(0deg, var(--bg) 8%, rgba(10,10,11,.75) 50%, rgba(10,10,11,.35) 100%);
  }
  .hero-ctas{flex-direction:column;}
  .hero-ctas .btn{width:100%;}
  .service-grid{grid-template-columns:1fr;}
  .step{grid-template-columns:3rem 1fr;}
  .faq-list summary{font-size:1.25rem;}
  .faq-list details p{padding-right:0;}
  .form-foot{flex-direction:column-reverse;align-items:stretch;}
  .form-foot .btn{width:100%;}
  .compare-label{font-size:.6rem;top:.6rem;}
  .compare-label-before{left:.6rem;}
  .compare-label-after{right:.6rem;}
  .footer-grid{grid-template-columns:1fr;}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;}
}