/* =========================================================
   SGF COATINGS LLC — DESIGN TOKENS
   Palette inspired by wet, freshly sealed concrete: deep
   charcoal base, warm amber resin glow, cool teal sheen.
========================================================= */
:root{
  --bg-void:#0b0d10;
  --bg-panel:#14171c;
  --bg-panel-2:#1b1f26;
  --border-glass: rgba(255,255,255,0.08);
  --border-glass-strong: rgba(255,255,255,0.16);

  --amber:#ff8a3d;
  --amber-soft: rgba(255,138,61,0.16);
  --teal:#2dd8c5;
  --teal-soft: rgba(45,216,197,0.14);

  --text-primary:#eef1f4;
  --text-muted:#9aa5b1;
  --text-faint:#6b7480;

  --font-display:'Space Grotesk', sans-serif;
  --font-body:'Inter', sans-serif;
  --font-mono:'JetBrains Mono', monospace;

  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 8px;

  --shadow-soft: 0 20px 60px rgba(0,0,0,0.45);
  --shadow-glow-amber: 0 0 0 1px rgba(255,138,61,0.4), 0 12px 30px rgba(255,138,61,0.25);
  --shadow-glow-teal: 0 0 0 1px rgba(45,216,197,0.35), 0 12px 30px rgba(45,216,197,0.2);

  --ease: cubic-bezier(.22,1,.36,1);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; }
}

body{
  margin:0;
  background:var(--bg-void);
  color:var(--text-primary);
  font-family:var(--font-body);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

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

.container{ width:100%; max-width:1200px; margin:0 auto; padding:0 24px; }
.container-narrow{ max-width:820px; }

h1,h2,h3,h4{ font-family:var(--font-display); font-weight:600; letter-spacing:-0.01em; margin:0 0 16px; }
h1{ line-height:1.12; }

.section{ padding:110px 0; position:relative; }
.section-title{ font-size:clamp(1.8rem,3.4vw,2.6rem); max-width:680px; }
.section-sub{ color:var(--text-muted); max-width:620px; font-size:1.05rem; margin-bottom:48px; }

.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--font-mono); font-size:0.78rem; letter-spacing:0.14em; text-transform:uppercase;
  color:var(--teal); margin-bottom:14px;
}
.eyebrow::before{ content:''; width:18px; height:1px; background:var(--teal); display:inline-block; }

/* ============ GLASS ============ */
.glass{
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
  border:1px solid var(--border-glass);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-radius:var(--radius-lg);
  position:relative;
}
.glass::before{
  content:'';
  position:absolute; inset:0 0 auto 0; height:1px;
  background:linear-gradient(90deg, transparent, rgba(255,255,255,0.5), transparent);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  opacity:0.5;
}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:14px 28px; border-radius:100px;
  font-weight:600; font-size:0.95rem; font-family:var(--font-body);
  border:1px solid transparent; cursor:pointer;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), background .35s var(--ease);
  white-space:nowrap;
}
.btn-glow{
  background: linear-gradient(135deg, var(--amber), #ff6a3d);
  color:#181008;
  box-shadow: var(--shadow-glow-amber);
}
.btn-glow:hover{ transform: translateY(-3px) scale(1.02); box-shadow: 0 0 0 1px rgba(255,138,61,0.6), 0 18px 40px rgba(255,138,61,0.35); }
.btn-ghost{
  background: rgba(255,255,255,0.04);
  border:1px solid var(--border-glass-strong);
  color:var(--text-primary);
}
.btn-ghost:hover{ background:rgba(255,255,255,0.09); transform: translateY(-3px); }

/* ============ NAV ============ */
.nav-wrap{ position:fixed; top:0; left:0; right:0; z-index:100; padding:18px 24px; transition: padding .3s var(--ease); }
.nav-wrap.scrolled{ padding:10px 24px; }
.nav{
  max-width:1200px; margin:0 auto;
  display:flex; align-items:center; justify-content:space-between; gap:18px;
  padding:12px 18px; border-radius:100px;
}
.nav-logo{ display:flex; align-items:center; gap:10px; }
.logo-mark{
  width:30px; height:30px; border-radius:9px;
  background:linear-gradient(135deg, var(--amber), var(--teal));
  box-shadow:0 0 20px rgba(255,138,61,0.4);
}
.logo-text{ font-family:var(--font-display); font-weight:700; font-size:1.1rem; }
.logo-text em{ font-style:normal; color:var(--teal); }

.nav-links{ display:flex; align-items:center; gap:28px; }
.nav-links a{ font-size:0.92rem; color:var(--text-muted); transition:color .25s; position:relative; }
.nav-links a:hover{ color:var(--text-primary); }
.nav-cta{ padding:10px 22px; font-size:0.88rem; }
.nav-toggle{ display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:6px; }
.nav-toggle span{ width:22px; height:2px; background:var(--text-primary); border-radius:2px; transition:.3s; }

/* ============ HERO ============ */
.hero{ position:relative; padding:190px 0 100px; overflow:hidden; }
.hero-bg{ position:absolute; inset:0; z-index:0; }
.grid-lines{
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image: radial-gradient(ellipse at 50% 0%, black 30%, transparent 75%);
}
.sheen{
  position:absolute; top:-30%; left:-20%; width:140%; height:80%;
  background: linear-gradient(115deg, transparent 30%, rgba(255,255,255,0.06) 45%, rgba(45,216,197,0.10) 50%, transparent 62%);
  animation: sheenMove 9s ease-in-out infinite;
}
@keyframes sheenMove{
  0%,100%{ transform: translateX(-6%) translateY(0); }
  50%{ transform: translateX(6%) translateY(2%); }
}
.blob{ position:absolute; border-radius:50%; filter:blur(90px); opacity:0.35; }
.blob-amber{ width:420px; height:420px; background:var(--amber); top:-120px; right:-80px; animation: floatY 10s ease-in-out infinite; }
.blob-teal{ width:380px; height:380px; background:var(--teal); bottom:-140px; left:-100px; animation: floatY 12s ease-in-out infinite reverse; }
@keyframes floatY{ 0%,100%{ transform:translateY(0);} 50%{ transform:translateY(30px);} }

.hero-inner{ position:relative; z-index:2; text-align:center; display:flex; flex-direction:column; align-items:center; }
.badge{
  display:inline-flex; align-items:center; gap:8px;
  padding:8px 16px; border-radius:100px; margin-bottom:26px;
  background:rgba(255,255,255,0.05); border:1px solid var(--border-glass);
  font-size:0.85rem; color:var(--text-muted); font-family:var(--font-mono);
}
.badge-dot{ width:7px; height:7px; border-radius:50%; background:var(--teal); box-shadow:0 0 10px var(--teal); animation:pulse 2s infinite; }
@keyframes pulse{ 0%,100%{ opacity:1;} 50%{ opacity:0.35;} }

.hero-title{ font-size:clamp(2rem,5vw,3.4rem); max-width:900px; margin-bottom:22px; }
.text-gradient{ background:linear-gradient(135deg, var(--amber), var(--teal)); -webkit-background-clip:text; background-clip:text; color:transparent; }
.hero-sub{ max-width:620px; color:var(--text-muted); font-size:1.08rem; margin-bottom:34px; }
.hero-actions{ display:flex; gap:16px; flex-wrap:wrap; justify-content:center; margin-bottom:64px; }

.hero-highlights{ display:flex; gap:44px; flex-wrap:wrap; justify-content:center; }
.highlight{ display:flex; flex-direction:column; align-items:center; font-family:var(--font-mono); }
.hl-number,.hl-plus{ font-family:var(--font-display); font-size:2rem; color:var(--text-primary); font-weight:700; }
.hl-plus{ font-size:1.4rem; color:var(--amber); }
.hl-label{ font-size:0.78rem; color:var(--text-faint); margin-top:4px; text-transform:uppercase; letter-spacing:0.06em; }

.floating-cards{ position:absolute; inset:0; z-index:1; pointer-events:none; display:none; }
.fcard{ position:absolute; padding:12px 18px; border-radius:14px; font-size:0.85rem; font-family:var(--font-mono); }
.fcard-1{ top:22%; left:6%; animation: floatY 6s ease-in-out infinite; }
.fcard-2{ top:65%; right:8%; animation: floatY 7s ease-in-out infinite reverse; }
.fcard-3{ top:40%; right:4%; animation: floatY 8s ease-in-out infinite; }
@media (min-width: 1200px){ .floating-cards{ display:block; } }

/* ============ CARDS GRID / SERVICES ============ */
.cards-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.service-card{
  padding:32px 26px; transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s;
  transform-style:preserve-3d;
}
.service-card:hover{
  transform: translateY(-8px) rotateX(2deg);
  border-color: var(--border-glass-strong);
  box-shadow: var(--shadow-soft), var(--shadow-glow-teal);
}
.service-icon{ font-size:1.8rem; margin-bottom:16px; width:52px; height:52px; display:flex; align-items:center; justify-content:center; border-radius:14px; background:var(--teal-soft); }
.service-card h3{ font-size:1.2rem; margin-bottom:10px; }
.service-card p{ color:var(--text-muted); font-size:0.94rem; margin-bottom:16px; }
.feature-list{ display:flex; flex-direction:column; gap:8px; margin-bottom:20px; }
.feature-list li{ font-size:0.86rem; color:var(--text-muted); padding-left:20px; position:relative; }
.feature-list li::before{ content:'✓'; position:absolute; left:0; color:var(--teal); font-weight:700; }
.card-cta{ font-size:0.88rem; font-weight:600; color:var(--amber); }

/* ============ STATS ============ */
.stats-section{ padding:70px 0; }
.stats-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.stat-card{ padding:30px 20px; text-align:center; transition: transform .35s var(--ease); }
.stat-card:hover{ transform:translateY(-6px); }
.stat-number{ font-family:var(--font-display); font-size:2.4rem; font-weight:700; color:var(--amber); }
.stat-card p{ color:var(--text-muted); font-size:0.88rem; margin-top:8px; }

/* ============ TIMELINE ============ */
.timeline{ position:relative; display:flex; flex-direction:column; gap:0; margin-top:20px; }
.timeline::before{ content:''; position:absolute; left:23px; top:10px; bottom:10px; width:2px; background:linear-gradient(180deg, var(--amber), var(--teal)); opacity:0.4; }
.timeline-item{ display:flex; gap:24px; padding:18px 0; position:relative; }
.timeline-dot{
  flex-shrink:0; width:48px; height:48px; border-radius:50%;
  background:var(--bg-panel-2); border:1px solid var(--border-glass-strong);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-mono); font-weight:600; color:var(--teal); z-index:1;
}
.timeline-content{ padding:20px 24px; flex:1; }
.timeline-content h3{ font-size:1.05rem; margin-bottom:6px; }
.timeline-content p{ color:var(--text-muted); font-size:0.92rem; margin:0; }
.timeline-item:hover .timeline-dot{ box-shadow: var(--shadow-glow-teal); border-color:var(--teal); }

/* ============ PORTFOLIO (CSS-only visuals, no images) ============ */
.portfolio-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:22px; }
.portfolio-card{ position:relative; border-radius:var(--radius-lg); overflow:hidden; aspect-ratio:16/10; border:1px solid var(--border-glass); }
.portfolio-visual{ position:absolute; inset:0; transition: transform .5s var(--ease); }
.portfolio-card:hover .portfolio-visual{ transform:scale(1.06); }
.finish-flake{ background:
  radial-gradient(circle at 20% 30%, rgba(255,138,61,0.5) 0 3px, transparent 4px),
  radial-gradient(circle at 60% 60%, rgba(45,216,197,0.5) 0 3px, transparent 4px),
  radial-gradient(circle at 80% 20%, rgba(255,255,255,0.4) 0 2px, transparent 3px),
  radial-gradient(circle at 40% 80%, rgba(255,138,61,0.4) 0 2px, transparent 3px),
  linear-gradient(135deg, #23282f, #14171c); background-size: 40px 40px, 55px 55px, 30px 30px, 45px 45px, cover; }
.finish-gloss{ background: linear-gradient(120deg, #1c2027, #2a3038 40%, #0e1013 70%); }
.finish-gloss::after{ content:''; position:absolute; inset:0; background:linear-gradient(115deg, transparent 40%, rgba(255,255,255,0.18) 50%, transparent 60%); }
.finish-slate{ background: repeating-linear-gradient(45deg, #23282f, #23282f 10px, #1a1e24 10px, #1a1e24 20px); }
.finish-metallic{ background: conic-gradient(from 90deg at 50% 50%, #ff8a3d, #2dd8c5, #1c2027, #ff8a3d); opacity:0.9; }
.portfolio-overlay{ position:absolute; left:14px; right:14px; bottom:14px; padding:16px 18px; border-radius:14px; }
.portfolio-overlay h3{ font-size:1rem; margin-bottom:4px; }
.portfolio-overlay p{ font-size:0.82rem; color:var(--text-muted); margin:0; }

/* ============ ARTICLE ============ */
.article-body{ color:var(--text-muted); font-size:1.02rem; }
.article-body h2{ color:var(--text-primary); font-size:1.5rem; margin-top:48px; }
.article-body h3{ color:var(--text-primary); font-size:1.15rem; margin-top:28px; }
.article-body p{ margin:0 0 18px; }
.article-body a{ color:var(--teal); text-decoration:underline; text-underline-offset:3px; }
.article-body a:hover{ color:var(--amber); }

.checklist li{ padding-left:26px; position:relative; margin-bottom:8px; }
.checklist li::before{ content:'✓'; position:absolute; left:0; color:var(--teal); font-weight:700; }

.callout{ display:flex; gap:16px; padding:20px 22px; border-radius:var(--radius-md); margin:28px 0; border:1px solid var(--border-glass); }
.callout-icon{ font-size:1.3rem; }
.callout strong{ display:block; margin-bottom:4px; color:var(--text-primary); }
.callout p{ margin:0; font-size:0.94rem; }
.callout-tip{ background:var(--teal-soft); border-color:rgba(45,216,197,0.3); }
.callout-warning{ background:var(--amber-soft); border-color:rgba(255,138,61,0.3); }

.compare-table{ width:100%; border-collapse:collapse; margin:28px 0; font-size:0.92rem; border-radius:var(--radius-md); overflow:hidden; border:1px solid var(--border-glass); }
.compare-table caption{ text-align:left; color:var(--text-faint); font-size:0.8rem; padding:10px 16px; font-family:var(--font-mono); background:var(--bg-panel-2); }
.compare-table th,.compare-table td{ padding:12px 16px; text-align:left; border-bottom:1px solid var(--border-glass); }
.compare-table th{ background:rgba(255,255,255,0.04); color:var(--text-primary); font-family:var(--font-mono); font-weight:500; font-size:0.82rem; text-transform:uppercase; letter-spacing:0.04em; }
.compare-table tr:last-child td{ border-bottom:none; }

.pull-quote{ margin:32px 0; padding:24px 28px; border-left:3px solid var(--amber); font-family:var(--font-display); font-size:1.15rem; color:var(--text-primary); font-style:normal; background:rgba(255,255,255,0.03); border-radius:0 var(--radius-md) var(--radius-md) 0; }

.pros-cons{ display:grid; grid-template-columns:1fr 1fr; gap:20px; margin:28px 0; }
.pros-cons > div{ padding:22px 24px; }
.pros-cons h4{ font-size:1rem; margin-bottom:14px; color:var(--text-primary); }
.pros ul li, .cons ul li{ padding-left:22px; position:relative; margin-bottom:10px; font-size:0.92rem; }
.pros ul li::before{ content:'+'; position:absolute; left:0; color:var(--teal); font-weight:700; }
.cons ul li::before{ content:'–'; position:absolute; left:0; color:var(--amber); font-weight:700; }

.stat-box{ display:grid; grid-template-columns:repeat(3,1fr); gap:18px; margin:32px 0; }
.stat-box-item{ text-align:center; padding:22px 14px; border-radius:var(--radius-md); background:var(--bg-panel-2); border:1px solid var(--border-glass); }
.stat-box-item span{ display:block; font-family:var(--font-display); font-size:1.6rem; color:var(--amber); font-weight:700; }
.stat-box-item p{ font-size:0.82rem; color:var(--text-muted); margin:6px 0 0; }

/* FAQ */
.faq-list{ display:flex; flex-direction:column; gap:12px; margin-top:24px; }
.faq-item{ overflow:hidden; }
.faq-question{
  width:100%; text-align:left; background:none; border:none; color:var(--text-primary);
  padding:18px 22px; font-size:0.98rem; font-weight:600; cursor:pointer;
  display:flex; align-items:center; justify-content:space-between; gap:14px;
}
.faq-icon{ font-family:var(--font-mono); color:var(--teal); transition:transform .3s var(--ease); flex-shrink:0; }
.faq-item.active .faq-icon{ transform:rotate(45deg); }
.faq-answer{ max-height:0; overflow:hidden; transition:max-height .4s var(--ease); }
.faq-answer p{ padding:0 22px 20px; margin:0; font-size:0.92rem; color:var(--text-muted); }
.faq-item.active .faq-answer{ max-height:200px; }

/* ============ TESTIMONIALS ============ */
.testimonial-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.testimonial-card{ padding:28px 26px; }
.testimonial-stars{ color:var(--amber); letter-spacing:2px; margin-bottom:14px; }
.testimonial-card p{ color:var(--text-muted); font-size:0.94rem; margin-bottom:22px; }
.testimonial-author{ display:flex; align-items:center; gap:12px; }
.avatar{ width:42px; height:42px; border-radius:50%; background:linear-gradient(135deg, var(--amber), var(--teal)); display:flex; align-items:center; justify-content:center; font-family:var(--font-mono); font-size:0.78rem; font-weight:700; color:#0b0d10; flex-shrink:0; }
.testimonial-author strong{ display:block; font-size:0.92rem; }
.testimonial-author small{ color:var(--text-faint); font-size:0.78rem; }

/* ============ CONTACT ============ */
.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:start; }
.contact-list{ display:flex; flex-direction:column; gap:16px; margin:28px 0 34px; }
.contact-list li{ display:flex; align-items:center; gap:14px; font-size:0.98rem; }
.contact-icon{ width:40px; height:40px; border-radius:12px; background:var(--bg-panel-2); border:1px solid var(--border-glass); display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.contact-form-wrap{ padding:34px; }
.form-row{ margin-bottom:18px; display:flex; flex-direction:column; gap:8px; }
.form-row label{ font-size:0.85rem; color:var(--text-muted); }
.form-row input, .form-row select, .form-row textarea{
  background:rgba(255,255,255,0.04); border:1px solid var(--border-glass-strong);
  border-radius:var(--radius-sm); padding:12px 14px; color:var(--text-primary); font-family:var(--font-body); font-size:0.94rem;
  outline:none; transition:border-color .25s;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus{ border-color:var(--teal); }
.form-submit{ width:100%; margin-top:6px; }
.form-status{ text-align:center; font-size:0.86rem; color:var(--teal); min-height:20px; margin-top:12px; }

/* ============ FOOTER ============ */
.footer{ background:var(--bg-panel); border-top:1px solid var(--border-glass); padding:70px 0 0; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:36px; padding-bottom:50px; }
.footer-brand p{ color:var(--text-muted); font-size:0.9rem; margin-top:12px; max-width:260px; }
.footer-col h4{ font-size:0.9rem; color:var(--text-primary); margin-bottom:16px; }
.footer-col ul{ display:flex; flex-direction:column; gap:10px; }
.footer-col a{ color:var(--text-muted); font-size:0.88rem; transition:color .25s; }
.footer-col a:hover{ color:var(--teal); }
.social-icons{ display:flex; gap:10px; margin-top:18px; }
.social-icons a{ width:34px; height:34px; border-radius:50%; border:1px solid var(--border-glass-strong); display:flex; align-items:center; justify-content:center; font-size:0.8rem; }
.social-icons a:hover{ background:var(--teal); color:#0b0d10; }
.footer-bottom{ border-top:1px solid var(--border-glass); padding:22px 24px; text-align:center; color:var(--text-faint); font-size:0.82rem; }

/* ============ SCROLL REVEAL ============ */
.reveal{ opacity:0; transform:translateY(28px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in-view{ opacity:1; transform:translateY(0); }

/* ============ RESPONSIVE ============ */
@media (max-width: 980px){
  .cards-grid{ grid-template-columns:repeat(2,1fr); }
  .stats-grid{ grid-template-columns:repeat(2,1fr); }
  .testimonial-grid{ grid-template-columns:1fr; }
  .portfolio-grid{ grid-template-columns:1fr; }
  .contact-grid{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .pros-cons{ grid-template-columns:1fr; }
}

@media (max-width: 760px){
  .nav-links{
    position:fixed; top:78px; left:16px; right:16px;
    flex-direction:column; align-items:flex-start; gap:6px;
    background:var(--bg-panel); border:1px solid var(--border-glass);
    border-radius:var(--radius-md); padding:16px;
    transform:translateY(-12px); opacity:0; pointer-events:none;
    transition: all .3s var(--ease);
  }
  .nav-links.open{ transform:translateY(0); opacity:1; pointer-events:auto; }
  .nav-links a{ padding:10px 6px; width:100%; }
  .nav-toggle{ display:flex; }
  .nav-cta{ display:none; }
  .cards-grid{ grid-template-columns:1fr; }
  .stats-grid{ grid-template-columns:1fr 1fr; }
  .stat-box{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr; }
  .hero{ padding-top:150px; }
  .section{ padding:70px 0; }
}