/* 18arts Studio — Black & Red theme */
:root{
  --bg:#0d0a0a;
  --fg:#f5f3f1;
  --muted:#a39d9a;
  --card:#181312;
  --border:#2a2120;
  --primary:#d72638;
  --primary-2:#a81d2c;
  --primary-fg:#ffffff;
  --shadow-red:0 20px 60px -20px rgba(215,38,56,.55);
  --shadow-elegant:0 30px 60px -30px rgba(0,0,0,.7);
  --gradient-red:linear-gradient(135deg,#d72638,#a81d2c);
  --gradient-hero:linear-gradient(135deg,#0d0a0a 0%,#3a0d12 100%);
}
*{box-sizing:border-box;margin:0;padding:0;border-color:var(--border)}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--fg);
  font-family:"Poppins",system-ui,sans-serif;
  -webkit-font-smoothing:antialiased;line-height:1.55;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,h5,h6{font-family:"Montserrat",system-ui,sans-serif;font-weight:700;letter-spacing:-.02em;line-height:1.1}
::selection{background:var(--primary);color:var(--primary-fg)}
ul{list-style:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}

.container{width:100%;max-width:1280px;margin-inline:auto;padding-inline:1.5rem}
.text-gradient-red{background:var(--gradient-red);-webkit-background-clip:text;background-clip:text;color:transparent}
.muted{color:var(--muted)}
.eyebrow{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.25em;color:var(--primary)}

/* Header */
.site-header{position:sticky;top:0;z-index:50;border-bottom:1px solid var(--border);
  background:rgba(13,10,10,.8);backdrop-filter:blur(12px)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:.5rem;font-family:"Montserrat",sans-serif;font-weight:800;font-size:1.05rem;letter-spacing:-.01em}
.logo-mark{display:grid;place-items:center;width:32px;height:32px;background:var(--primary);color:var(--primary-fg);font-weight:800}
.logo .dot{color:var(--primary)}
.nav-links{display:none;align-items:center;gap:2rem}
.nav-links a{font-size:.875rem;font-weight:500;color:var(--muted);transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:var(--fg)}
.nav-links a.active{color:var(--primary)}
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.55rem 1.1rem;font-weight:600;font-size:.875rem;
  background:var(--primary);color:var(--primary-fg);transition:transform .2s;border:1px solid var(--primary)}
.btn:hover{transform:scale(1.03)}
.btn-outline{background:transparent;color:var(--fg);border:1px solid var(--border)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary)}
.btn-lg{padding:.85rem 1.5rem;font-size:1rem}
.menu-toggle{display:block;font-size:1.25rem}
@media(min-width:768px){.nav-links{display:flex}.menu-toggle{display:none}}
.mobile-menu{display:none;border-top:1px solid var(--border);background:var(--bg)}
.mobile-menu.open{display:block}
.mobile-menu nav{display:flex;flex-direction:column;padding:1rem 0}
.mobile-menu a{padding:.6rem 0;font-size:.9rem;color:var(--muted)}
.mobile-menu a.active{color:var(--primary)}

/* Sections */
section{padding:6rem 0}
.section-bordered{border-top:1px solid var(--border)}
.section-card-bg{background:rgba(24,19,18,.4)}
.hero{position:relative;min-height:90vh;display:flex;align-items:center;overflow:hidden;padding:6rem 0}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.45}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(13,10,10,.4),var(--bg) 90%)}
.hero .container{position:relative;z-index:1}
.hero h1{font-size:clamp(2.5rem,7vw,5.5rem);font-weight:900;max-width:900px;margin-top:1rem}
.hero p{margin-top:2rem;max-width:600px;font-size:1.125rem;color:var(--muted)}
.hero-actions{margin-top:2.5rem;display:flex;gap:1rem;flex-wrap:wrap}

h2.section-title{font-size:clamp(1.75rem,4vw,2.5rem);font-weight:700}
.page-title{font-size:clamp(2.5rem,6vw,4.5rem);font-weight:900;max-width:900px;margin-top:.75rem;line-height:1.05}
.lead{margin-top:2rem;max-width:640px;font-size:1.125rem;color:var(--muted)}

/* Grids */
.grid{display:grid;gap:1.5rem}
.grid-2{grid-template-columns:1fr}
.grid-3{grid-template-columns:1fr}
@media(min-width:768px){.grid-2{grid-template-columns:1fr 1fr}.grid-3{grid-template-columns:repeat(3,1fr)}}

.card{background:var(--card);border:1px solid var(--border);padding:2rem;transition:border-color .2s}
.card:hover{border-color:var(--primary)}
.icon-box{display:grid;place-items:center;width:48px;height:48px;background:var(--primary);color:var(--primary-fg)}
.card h3{margin-top:1.5rem;font-size:1.4rem}
.card p{margin-top:.75rem;color:var(--muted);font-size:.9rem}
.card ul{margin-top:1.5rem;display:flex;flex-direction:column;gap:.5rem}
.card ul li{border-left:2px solid var(--primary);padding-left:.75rem;font-size:.875rem}

.belief{border-left:2px solid var(--primary);padding-left:1.25rem}
.belief h3{font-size:1.25rem}
.belief p{margin-top:.5rem;color:var(--muted);font-size:.9rem}

.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin-top:2rem}
.stats dt{font-family:"Montserrat",sans-serif;font-size:1.875rem;font-weight:900;color:var(--primary)}
.stats dd{margin-top:.25rem;font-size:.7rem;text-transform:uppercase;letter-spacing:.15em;color:var(--muted)}

/* Project gallery */
.gallery{display:grid;gap:1.5rem;grid-template-columns:1fr}
@media(min-width:768px){.gallery{grid-template-columns:repeat(3,1fr)}}
.project{position:relative;overflow:hidden;background:var(--card)}
.project img{aspect-ratio:4/5;object-fit:cover;width:100%;transition:transform .6s ease}
.project:hover img{transform:scale(1.05)}
.project-info{padding:1.25rem}
.project-info .tag{font-size:.7rem;text-transform:uppercase;letter-spacing:.2em;color:var(--primary)}
.project-info h3{margin-top:.5rem;font-size:1.15rem}
.project-info p{margin-top:.25rem;color:var(--muted);font-size:.85rem}

/* CTA */
.cta-bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1.5rem}
.cta-bar h3{font-size:clamp(1.5rem,3vw,2.25rem)}

/* Contact */
.contact-grid{display:grid;gap:3rem;grid-template-columns:1fr}
@media(min-width:768px){.contact-grid{grid-template-columns:1fr 1fr}}
.contact-list{display:flex;flex-direction:column;gap:1.25rem;margin-top:2rem}
.contact-list li{display:flex;gap:.75rem;align-items:flex-start;color:var(--muted);font-size:.95rem}
.contact-list svg{color:var(--primary);flex-shrink:0;margin-top:3px}
form{display:flex;flex-direction:column;gap:1rem;margin-top:2rem}
label{font-size:.8rem;text-transform:uppercase;letter-spacing:.15em;color:var(--muted)}
input,textarea{
  width:100%;padding:.75rem 1rem;background:var(--card);
  border:1px solid var(--border);color:var(--fg);font:inherit;font-size:.95rem;outline:none;transition:border-color .2s}
input:focus,textarea:focus{border-color:var(--primary)}
textarea{min-height:140px;resize:vertical}

/* Footer */
.site-footer{border-top:1px solid var(--border);background:rgba(24,19,18,.4)}
.footer-grid{display:grid;gap:3rem;grid-template-columns:1fr;padding:4rem 0}
@media(min-width:768px){.footer-grid{grid-template-columns:2fr 1fr 1fr}}
.footer-grid h4{font-family:"Montserrat",sans-serif;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.15em;color:var(--primary)}
.footer-grid ul{margin-top:1rem;display:flex;flex-direction:column;gap:.5rem}
.footer-grid ul a{color:var(--muted);font-size:.875rem;transition:color .2s}
.footer-grid ul a:hover{color:var(--fg)}
.socials{display:flex;gap:.75rem;margin-top:1.5rem}
.socials a{display:grid;place-items:center;width:40px;height:40px;border:1px solid var(--border);transition:all .2s}
.socials a:hover{background:var(--primary);border-color:var(--primary);color:var(--primary-fg)}
.copy{border-top:1px solid var(--border);padding:1.5rem 0;font-size:.75rem;color:var(--muted);
  display:flex;flex-direction:column;gap:.5rem;align-items:center;justify-content:space-between;text-align:center}
@media(min-width:768px){.copy{flex-direction:row}}

/* Floating WhatsApp */
.floating-wa{position:fixed;bottom:1.5rem;right:1.5rem;z-index:50;
  display:grid;place-items:center;width:56px;height:56px;border-radius:9999px;
  background:var(--primary);color:var(--primary-fg);box-shadow:var(--shadow-red);transition:transform .2s}
.floating-wa:hover{transform:scale(1.1)}

.about-img{aspect-ratio:5/4;width:100%;object-fit:cover}
.about-grid{display:grid;gap:3rem;grid-template-columns:1fr;align-items:center}
@media(min-width:768px){.about-grid{grid-template-columns:1fr 1fr}}

/* Image placeholder tiles (replace these with your photos) */
.img-placeholder{position:relative;width:100%;aspect-ratio:4/5;display:grid;place-items:center;
  background:repeating-linear-gradient(135deg,#1a1414 0 12px,#221818 12px 24px);
  border:1px dashed var(--border);color:var(--muted);font-size:.75rem;
  text-transform:uppercase;letter-spacing:.2em;text-align:center;padding:1rem}
.img-placeholder::before{content:"+ Add Photo";color:var(--primary);font-weight:700}
.img-placeholder span{position:absolute;bottom:.75rem;left:0;right:0;font-size:.65rem}
.project .img-placeholder{aspect-ratio:4/5}

/* Two-col feature row */
.feature-row{display:grid;gap:3rem;grid-template-columns:1fr;align-items:center;margin-top:3rem}
@media(min-width:768px){.feature-row{grid-template-columns:1fr 1fr}.feature-row.reverse>*:first-child{order:2}}
.feature-row h3{font-size:clamp(1.5rem,3vw,2rem)}
.feature-row p{margin-top:1rem;color:var(--muted)}

/* Testimonial */
.quote{border-left:3px solid var(--primary);padding:1rem 1.5rem;background:var(--card)}
.quote p{font-size:1.05rem;font-style:italic}
.quote cite{display:block;margin-top:.75rem;font-style:normal;font-size:.8rem;letter-spacing:.15em;text-transform:uppercase;color:var(--primary)}

/* Process steps */
.steps{display:grid;gap:1.5rem;grid-template-columns:1fr;margin-top:2.5rem}
@media(min-width:768px){.steps{grid-template-columns:repeat(4,1fr)}}
.step{padding-top:1rem;border-top:2px solid var(--primary)}
.step .num{font-family:"Montserrat",sans-serif;font-size:1.75rem;font-weight:900;color:var(--primary)}
.step h4{margin-top:.5rem;font-size:1.1rem}
.step p{margin-top:.5rem;color:var(--muted);font-size:.875rem}

/* 4-col gallery */
@media(min-width:768px){.gallery.cols-2{grid-template-columns:repeat(2,1fr)}}