/* ============================================================
   SCIENCIA LABS — Stylesheet
   Technical, orange + serif design system
   Primary: #f18417 | Dark: #0d0d14 | BG: #fcf8f9
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* Brand */
  --primary:            #f18417;
  --primary-container:  #fad3a2;
  --primary-dim:        #f7b874;
  --secondary:          #76777b;
  --secondary-container:#e5e2e2;
  --tertiary:           #0d0d14;
  --tertiary-container: #303031;

  /* Surface */
  --surface:                    #fcf8f9;
  --surface-container:          #f0edee;
  --surface-container-high:     #eae7e8;
  --surface-container-highest:  #e5e2e2;
  --on-surface:                 #1b1b1c;
  --on-surface-variant:         #45474b;

  /* Outline */
  --outline:         #75777c;
  --outline-variant: #c5c6cc;

  /* Semantic */
  --error:   #ba1a1a;
  --success: #1a6b3a;

  /* Legacy aliases used throughout the sheet */
  --labs-green:   #f18417;
  --labs-green-d: #c96a0e;
  --labs-green-l: #f7b874;
  --labs-dark:    #0d0d14;
  --labs-dark-2:  #303031;
  --labs-card:    #303031;

  --bg-light:  #f0edee;
  --bg-white:  #ffffff;
  --border-l:  #c5c6cc;
  --text-dark: #1b1b1c;
  --text-mid:  #45474b;
  --text-muted:#75777c;

  /* Fonts */
  --font-display: 'DM Serif Display', Georgia, serif;
  --font:         Arial, Helvetica, sans-serif;
  --font-mono:    'JetBrains Mono', 'Courier New', monospace;

  /* Border radius */
  --r-sm:   2px;
  --r-md:   4px;
  --r-lg:   8px;
  --r-xl:   8px;
  --r-full: 9999px;

  /* Spacing & layout */
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
  --shadow-sm: 0 1px 4px rgba(0,0,0,0.06);
  --shadow:    0 2px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 4px 24px rgba(0,0,0,0.10);
  --max-w: 1280px;
  --px: clamp(20px,5vw,80px);
  --navbar-h: 68px;
}

*, *::before, *::after { box-sizing:border-box; margin:0; padding:0; }
html { scroll-behavior:smooth; }
body { font-family:var(--font); color:var(--on-surface); background:var(--surface); -webkit-font-smoothing:antialiased; }
img { max-width:100%; display:block; }
a { text-decoration:none; color:inherit; }
button { cursor:pointer; border:none; font-family:inherit; }
ul { list-style:none; }

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

.btn {
  display:inline-flex; align-items:center; gap:8px;
  padding:12px 26px; border-radius:4px;
  font-size:0.875rem; font-weight:700; transition:all var(--transition); white-space:nowrap;
  border:none;
}
/* Primary button */
.btn-primary, .btn-green { background:var(--primary); color:#ffffff; border:1px solid var(--primary); }
.btn-primary:hover, .btn-green:hover { background:var(--labs-green-d); border-color:var(--labs-green-d); box-shadow:var(--shadow-sm); }
/* Secondary button */
.btn-secondary { background:#ffffff; color:var(--primary); border:1px solid var(--primary); }
.btn-secondary:hover { background:var(--primary-container); }
/* Ghost button */
.btn-ghost { background:transparent; color:var(--secondary); border:1px solid transparent; }
.btn-ghost:hover { background:var(--surface-container); }
/* Outline variants kept for backward compat */
.btn-outline-green { background:transparent; border:1px solid var(--primary); color:var(--primary); border-radius:4px; }
.btn-outline-green:hover { background:var(--primary); color:#fff; }
.btn-outline-white { background:transparent; border:1px solid rgba(255,255,255,0.5); color:#fff; }
.btn-outline-white:hover { border-color:#fff; background:rgba(255,255,255,0.1); }
.btn-sm { padding:8px 18px; font-size:0.8rem; }
.btn-wa { background:#25D366; color:#fff; }
.btn-wa:hover { background:#128C7E; }

.aos { opacity:0; transform:translateY(24px); transition:opacity .6s ease,transform .6s ease; }
.aos.visible { opacity:1; transform:translateY(0); }
.d1{transition-delay:.1s} .d2{transition-delay:.2s} .d3{transition-delay:.3s} .d4{transition-delay:.4s}

.eyebrow { font-size:0.7rem; font-weight:700; letter-spacing:.1em; text-transform:uppercase; color:var(--primary); margin-bottom:.75rem; font-family:var(--font); }
.section-title { font-family:var(--font-display); font-size:clamp(1.8rem,3.5vw,2.8rem); font-weight:400; line-height:1.15; letter-spacing:-.01em; margin-bottom:1rem; }
.section-desc  { font-size:1.0625rem; color:var(--on-surface-variant); line-height:1.75; max-width:580px; }

/* Mono/data utility */
.data-mono { font-family:var(--font-mono); }
.center { text-align:center; }
.center .section-desc { margin-inline:auto; }

/* ── NAVBAR ── */
.navbar {
  position:fixed; inset:0 0 auto; height:var(--navbar-h); z-index:900;
  transition:background var(--transition), box-shadow var(--transition);
}
.navbar.scrolled { background:rgba(13,13,20,0.95); backdrop-filter:blur(16px); box-shadow:0 1px 0 rgba(241,132,23,0.2); }
.nav-inner { display:flex; align-items:center; justify-content:space-between; height:100%; }
.nav-logo { display:flex; align-items:center; gap:10px; }
.logo-mark-labs {
  width:36px; height:36px; border-radius:4px;
  background:linear-gradient(135deg,var(--primary),var(--primary-dim));
  display:flex; align-items:center; justify-content:center;
  font-weight:900; font-size:14px; color:#fff; letter-spacing:-.02em;
}
.logo-name { font-weight:800; font-size:1.05rem; color:#fff; }
.logo-sub  { font-size:0.6rem; font-weight:500; color:rgba(255,255,255,0.45); letter-spacing:.08em; text-transform:uppercase; margin-top:1px; display:block; }

.nav-links { display:flex; align-items:center; gap:2rem; }
.nav-links a { font-size:.875rem; font-weight:500; color:rgba(255,255,255,.6); transition:color var(--transition); }
.nav-links a:hover, .nav-links a.active { color:#fff; }

.nav-toggle { display:none; flex-direction:column; gap:5px; width:28px; background:transparent; }
.nav-toggle span { display:block; height:2px; background:#fff; border-radius:2px; transition:all var(--transition); }

.group-back-lab { font-size:0.7rem; font-weight:700; color:rgba(255,255,255,0.45); background:rgba(255,255,255,0.07); border:1px solid rgba(255,255,255,0.12); padding:4px 10px; border-radius:4px; transition:all var(--transition); white-space:nowrap; }
.group-back-lab:hover { color:#fff; background:rgba(255,255,255,0.12); }

/* ── HERO ── */
.hero {
  min-height:100vh; display:flex; align-items:center; position:relative; overflow:hidden;
  background-image:
    linear-gradient(to bottom, rgba(13,13,20,0.85) 0%, rgba(13,13,20,0.96) 100%),
    url('https://images.unsplash.com/photo-1582719478250-c89cae4dc85b?w=1920&q=80');
  background-size:cover; background-position:center; background-attachment:fixed;
  padding-top:var(--navbar-h);
}
.hero::before {
  content:''; position:absolute; inset:0;
  background:radial-gradient(ellipse at 70% 40%, rgba(241,132,23,.2) 0%, transparent 60%),
             radial-gradient(ellipse at 20% 70%, rgba(247,184,116,.1) 0%, transparent 50%);
}
.hero-grid-bg { position:absolute; inset:0; background-image:linear-gradient(rgba(241,132,23,0.06) 1px,transparent 1px),linear-gradient(90deg,rgba(241,132,23,0.06) 1px,transparent 1px); background-size:48px 48px; mask-image:radial-gradient(ellipse at center,black 40%,transparent 80%); }
.hero-content { position:relative; z-index:1; display:grid; grid-template-columns:1fr 1fr; gap:4rem; align-items:center; padding-block:5rem; }
.hero-text-col { display:flex; flex-direction:column; align-items:flex-start; text-align:left; }
.hero-visual-col { display:flex; justify-content:center; align-items:center; }
.hero-visual-col img { border-radius:24px; box-shadow:0 40px 80px rgba(0,0,0,0.5); width:100%; max-width:500px; aspect-ratio:4/3; object-fit:cover; }
.hero-badge { display:inline-flex; align-items:center; gap:6px; font-size:.7rem; font-weight:700; letter-spacing:.08em; text-transform:uppercase; color:var(--primary); background:rgba(241,132,23,.12); border:1px solid rgba(241,132,23,.3); padding:5px 14px; border-radius:2px; margin-bottom:1.5rem; }
.hero-title { font-family:var(--font-display); font-size:clamp(2.5rem,6vw,4.5rem); font-weight:400; letter-spacing:-.01em; line-height:1.1; color:#fff; margin-bottom:1.5rem; }
.hero-title .accent { color:var(--primary); }
.hero-desc { font-size:clamp(1rem,1.8vw,1.15rem); color:rgba(255,255,255,.7); max-width:640px; line-height:1.75; margin-bottom:2.5rem; }
.hero-actions { display:flex; gap:1rem; flex-wrap:wrap; justify-content:flex-start; }

/* ── TRUST BAR ── */
.trust-bar { background:rgba(13,13,20,0.92); backdrop-filter:blur(16px); -webkit-backdrop-filter:blur(16px); border-bottom:1px solid rgba(241,132,23,.25); border-top:1px solid rgba(241,132,23,.1); padding:1.1rem 0; position:relative; z-index:2; }
.trust-inner { display:flex; flex-wrap:wrap; gap:1.25rem 2rem; justify-content:center; }
.trust-item { display:flex; align-items:center; gap:8px; font-size:.8rem; font-weight:600; color:rgba(255,255,255,.75); }
.trust-check { width:20px; height:20px; border-radius:50%; background:var(--primary); color:#fff; display:flex; align-items:center; justify-content:center; font-size:.65rem; font-weight:800; flex-shrink:0; }

/* ── STATS ── */
.stats-bar {
  background-image:
    linear-gradient(to bottom, rgba(13,13,20,0.93) 0%, rgba(48,48,49,0.97) 100%),
    url('https://images.unsplash.com/photo-1582719478250-c89cae4dc85b?w=1920&q=80');
  background-size:cover; background-position:center;
  border-bottom:1px solid rgba(241,132,23,.2); padding:3.5rem 0;
}
.stats-row { display:grid; grid-template-columns:repeat(4,1fr); gap:1.5rem; }
.stat-item { text-align:center; padding:1.5rem 1rem; background:rgba(255,255,255,0.04); backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px); border-radius:4px; border:1px solid rgba(255,255,255,0.08); }
.stat-num { font-family:var(--font-display); font-size:clamp(2rem,3.5vw,2.8rem); font-weight:400; color:var(--primary-dim); line-height:1; margin-bottom:.4rem; text-shadow:0 0 20px rgba(247,184,116,.4); }
.stat-lbl { font-size:.8rem; font-weight:600; color:rgba(255,255,255,0.6); }

/* ── SERVICES ── */
.services-section { padding-block:5rem; }
.services-group { margin-bottom:3.5rem; }
.services-group-title { font-size:1.1rem; font-weight:700; color:var(--on-surface); border-left:4px solid var(--primary); padding-left:12px; margin-bottom:1.25rem; }
.services-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:1.25rem; }
.service-card { background:#ffffff; border-radius:var(--r-lg); padding:0; border:1px solid var(--outline-variant); transition:all var(--transition); overflow:hidden; }
.service-card:hover { border-color:var(--primary); box-shadow:var(--shadow-sm); transform:translateY(-2px); }
.service-card-body { padding:1.5rem; }
.service-card h4 { font-size:.9rem; font-weight:700; color:var(--on-surface); margin-bottom:.5rem; }
.service-card p  { font-size:.82rem; color:var(--on-surface-variant); line-height:1.65; }
.service-card .equip { font-size:.7rem; font-weight:600; color:var(--primary); margin-top:.75rem; }

/* ── Service Tab Nav (Labs) ── */
.svc-tab-nav {
  display: flex; gap: .75rem; flex-wrap: wrap;
  margin-bottom: 2.5rem;
  border-bottom: 2px solid var(--outline-variant);
  padding-bottom: 1rem;
}
.svc-tab {
  padding: 9px 22px; border-radius: 4px;
  border: 1.5px solid var(--outline-variant);
  font-size: .8rem; font-weight: 700; cursor: pointer;
  background: #fff; color: var(--text-muted);
  transition: all .22s; font-family: var(--font);
}
.svc-tab:hover { border-color: var(--primary); color: var(--primary); }
.svc-tab.active { background: var(--primary); color: #fff; border-color: var(--primary); box-shadow: 0 4px 12px rgba(241,132,23,.25); }
.services-group { display: none; }
.services-group.active { display: block; animation: fadeInGroup .3s ease; }
@keyframes fadeInGroup {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Card image wrap for Labs service cards */
.card-img-wrap { height:180px; overflow:hidden; border-radius:0; flex-shrink:0; }
.card-img-wrap img { width:100%; height:100%; object-fit:cover; transition:transform 0.4s ease; display:block; }
.service-card:hover .card-img-wrap img { transform:scale(1.05); }

/* About 2-col for Labs */
.about-labs-2col { display:grid; grid-template-columns:1fr 1fr; gap:4rem; align-items:center; margin-top:2rem; }
.about-labs-visual img { width:100%; border-radius:var(--r-lg); box-shadow:var(--shadow); aspect-ratio:4/3; object-fit:cover; }

/* ── CASES ── */
.cases-section { padding-block:5rem; background:var(--surface-container); }
.cases-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:1.5rem; margin-top:2.5rem; }
.case-card { background:#ffffff; border-radius:var(--r-lg); padding:1.75rem; border:1px solid var(--outline-variant); transition:all var(--transition); }
.case-card:hover { border-color:var(--primary); box-shadow:var(--shadow-sm); }
.case-area { font-size:.65rem; font-weight:700; letter-spacing:.08em; text-transform:uppercase; color:var(--primary); margin-bottom:.5rem; font-family:var(--font); }
.case-card h4 { font-size:.9rem; font-weight:700; color:var(--on-surface); margin-bottom:.5rem; }
.case-card p  { font-size:.82rem; color:var(--on-surface-variant); line-height:1.65; }

/* ── WHY ── */
.why-section { padding-block:5rem; }
.why-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:1.25rem; margin-top:2.5rem; }
.why-card { background:#ffffff; border-radius:var(--r-lg); padding:1.5rem; border:1px solid var(--outline-variant); display:flex; gap:1rem; align-items:flex-start; }
.why-icon { font-size:1.5rem; flex-shrink:0; }
.why-card h4 { font-size:.875rem; font-weight:700; color:var(--on-surface); margin-bottom:4px; }
.why-card p  { font-size:.8rem; color:var(--on-surface-variant); line-height:1.6; }

/* ── PROCESS ── */
.process-section { padding-block:5rem; background:var(--surface-container); }
.process-steps { display:grid; grid-template-columns:repeat(5,1fr); gap:1rem; margin-top:2.5rem; position:relative; }
.process-step { text-align:center; position:relative; }
.step-circle { width:48px; height:48px; border-radius:50%; margin:0 auto 1rem; background:linear-gradient(135deg,var(--primary),var(--primary-dim)); color:#fff; display:flex; align-items:center; justify-content:center; font-weight:800; font-size:.85rem; position:relative; z-index:1; }
.process-step h4 { font-size:.8rem; font-weight:700; color:var(--on-surface); margin-bottom:4px; }
.process-step p  { font-size:.75rem; color:var(--on-surface-variant); line-height:1.5; }

/* ── CTA ── */
.cta-section { background:linear-gradient(135deg,var(--tertiary),var(--tertiary-container)); padding-block:5rem; }
.cta-box { text-align:center; }
.cta-box h2 { font-family:var(--font-display); font-size:clamp(1.8rem,3vw,2.5rem); font-weight:400; color:#fff; margin-bottom:1rem; }
.cta-box p  { color:rgba(255,255,255,.65); max-width:520px; margin-inline:auto; margin-bottom:2rem; line-height:1.7; }
.cta-actions { display:flex; gap:1rem; justify-content:center; flex-wrap:wrap; }

/* ── FORM ── */
.form-section { padding-block:5rem; }
.form-box { background:#ffffff; border-radius:var(--r-lg); padding:2.5rem; max-width:760px; margin-inline:auto; border:1px solid var(--outline-variant); }
.form-grid { display:grid; grid-template-columns:1fr 1fr; gap:1rem; }
.form-group { display:flex; flex-direction:column; gap:6px; }
.form-group label { font-size:.8rem; font-weight:700; color:var(--on-surface); }
.form-group input, .form-group select, .form-group textarea {
  padding:10px 13px; border-radius:4px; background:#ffffff;
  border:1px solid var(--outline-variant); color:var(--on-surface); font-family:var(--font); font-size:.875rem;
  transition:border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline:none; border:2px solid var(--primary); box-shadow:0 0 0 3px rgba(241,132,23,.12); }
.form-group textarea { resize:vertical; min-height:100px; }
.form-group select { appearance:none; background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2375777c' d='M6 8L1 3h10z'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 13px center; padding-right:36px; }
.span-2 { grid-column:1/-1; }

/* ── CONTACT ── */
.contact-section { padding-block:5rem; background:var(--surface-container); }
.contact-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:1.5rem; }
.contact-card { background:#ffffff; border-radius:var(--r-lg); padding:1.5rem; border:1px solid var(--outline-variant); text-align:center; }
.contact-card-icon { width:48px; height:48px; border-radius:4px; background:linear-gradient(135deg,var(--primary),var(--primary-dim)); display:flex; align-items:center; justify-content:center; font-size:1.2rem; margin:0 auto .75rem; }
.contact-card h4 { font-size:.85rem; font-weight:700; color:var(--on-surface); margin-bottom:.4rem; }
.contact-card p  { font-size:.82rem; color:var(--on-surface-variant); line-height:1.65; }
.contact-card a  { color:var(--primary); }

/* ── BADGES ── */
.badge { display:inline-flex; align-items:center; padding:2px 8px; border-radius:2px; font-family:var(--font); font-size:.65rem; font-weight:700; letter-spacing:.06em; text-transform:uppercase; }
.badge-pending  { background:#fad3a2; color:#a85800; }
.badge-valid    { background:#d1f0e0; color:#1a6b3a; }
.badge-urgent   { background:#f18417; color:#0d0d14; }
.badge-inactive { background:#e5e2e2; color:#45474b; }

/* ── FOOTER ── */
.footer { background:var(--tertiary); padding-block:3rem 2rem; }
.footer-inner { display:grid; grid-template-columns:1.4fr repeat(3,1fr); gap:3rem; margin-bottom:2.5rem; }
.footer-brand p { font-size:.85rem; color:rgba(255,255,255,.5); margin-top:.75rem; line-height:1.65; max-width:280px; }
.footer-col h4 { font-size:.65rem; font-weight:700; letter-spacing:.1em; text-transform:uppercase; color:rgba(255,255,255,.3); margin-bottom:.875rem; }
.footer-col ul  { display:flex; flex-direction:column; gap:.6rem; }
.footer-col a   { font-size:.875rem; color:rgba(255,255,255,.55); transition:color var(--transition); }
.footer-col a:hover { color:#fff; }
.footer-bottom { display:flex; align-items:center; justify-content:space-between; border-top:1px solid rgba(255,255,255,.07); padding-top:1.5rem; font-size:.78rem; color:rgba(255,255,255,.3); }

/* ── RESPONSIVE ── */
@media(max-width:1100px){
  .stats-row { grid-template-columns:repeat(2,1fr); }
  .services-grid { grid-template-columns:1fr; }
  .cases-grid { grid-template-columns:1fr; }
  .why-grid { grid-template-columns:1fr 1fr; }
  .process-steps { grid-template-columns:1fr 1fr; }
  .contact-grid { grid-template-columns:1fr 1fr; }
  .footer-inner { grid-template-columns:1fr 1fr; gap:2rem; }
  .about-labs-2col { grid-template-columns:1fr; }
  .about-labs-visual { display:none; }
  .hero-content { grid-template-columns:1fr !important; }
  .hero-visual-col { display:none; }
  .hero-text-col { align-items:center; text-align:center; }
  .hero-actions { justify-content:center; }
}
@media(max-width:768px){
  :root{ --px:20px; }
  .nav-links { display:none; flex-direction:column; position:fixed; inset:var(--navbar-h) 0 0; background:var(--tertiary); padding:2rem; gap:.5rem; z-index:850; overflow-y:auto; }
  .nav-links.open { display:flex; }
  .nav-links a { padding:12px 0; border-bottom:1px solid rgba(255,255,255,0.07); font-size:1rem; }
  .nav-toggle { display:flex; }
  .hero-content { grid-template-columns:1fr !important; gap:2rem !important; }
  .hero-visual-col { display:none; }
  .hero-text-col { align-items:center; text-align:center; }
  .hero-actions { justify-content:center; }
  .why-grid { grid-template-columns:1fr; }
  .process-steps { grid-template-columns:1fr 1fr; }
  .contact-grid { grid-template-columns:1fr; }
  .footer-inner { grid-template-columns:1fr; gap:2rem; }
  .footer-bottom { flex-direction:column; gap:.5rem; text-align:center; }
  .form-grid { grid-template-columns:1fr; }
  .about-labs-2col { grid-template-columns:1fr; }
  .about-labs-visual { display:none; }
}