/* PROGEOLAB — Main Stylesheet */
/* Brand: #1bafdd (primary), #f4f6f9 (light), #02050a (black) */
/* Font: Roboto Flex (Google Fonts) */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --brand:#1bafdd;
  --brand-dark:#148fba;
  --brand-light:#e0f5fb;
  --light:#f4f6f9;
  --black:#02050a;
  --text:#1a202c;
  --text-sec:#4a5568;
  --text-muted:#718096;
  --border:#e2e8f0;
  --success:#38a169;
  --warn:#d69e2e;
  --radius:12px;
  --radius-sm:8px;
}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Roboto Flex',system-ui,sans-serif;color:var(--text);background:#fff;line-height:1.65;overflow-x:hidden}
img,svg{max-width:100%;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .2s}
a:hover{color:var(--brand-dark)}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* SKIP LINK */
.skip-link{position:absolute;top:-100%;left:16px;background:var(--brand);color:#fff;padding:8px 16px;border-radius:4px;z-index:999;font-size:.85rem}
.skip-link:focus{top:12px}

/* NAV */
nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(2,5,10,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.06);transition:background .3s}
nav.scrolled{background:rgba(2,5,10,.97)}
nav .inner{max-width:1200px;margin:0 auto;padding:12px 24px;display:flex;align-items:center;justify-content:space-between}
nav .logo-area{display:flex;align-items:center;gap:10px;text-decoration:none}
nav .logo-area .geo-icon{height:32px;width:auto}
nav .logo-area .wordmark{height:18px}
nav .links{display:flex;gap:28px;align-items:center}
nav .links a{color:rgba(255,255,255,.7);font-size:.875rem;font-weight:400;letter-spacing:.02em;transition:color .2s}
nav .links a:hover{color:#fff}
nav .cta-nav{background:var(--brand)!important;color:#fff!important;padding:8px 20px;border-radius:6px;font-weight:600!important;font-size:.8rem!important;letter-spacing:.04em;text-transform:uppercase}
nav .cta-nav:hover{background:var(--brand-dark)!important}

/* MOBILE NAV */
.hamburger{display:none;background:none;border:none;cursor:pointer;padding:4px}
.hamburger span{display:block;width:22px;height:2px;background:#fff;margin:5px 0;transition:all .3s}
.mobile-menu{display:none;position:fixed;top:56px;left:0;right:0;background:rgba(2,5,10,.98);padding:24px;border-bottom:1px solid rgba(255,255,255,.08)}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;color:rgba(255,255,255,.8);padding:12px 0;font-size:1rem;border-bottom:1px solid rgba(255,255,255,.05)}
.mobile-menu a:last-child{border-bottom:none}

/* HERO */
.hero{min-height:100vh;background:var(--brand);position:relative;display:flex;align-items:center;justify-content:center;text-align:center;overflow:hidden;padding:120px 24px 80px}
.hero::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 20% 80%,rgba(2,5,10,.15) 0%,transparent 50%),radial-gradient(circle at 80% 20%,rgba(255,255,255,.08) 0%,transparent 40%)}
.hero-grid{position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.12) 1px,transparent 1px);background-size:32px 32px;opacity:.4}
.hero-content{position:relative;z-index:2;max-width:860px}
.hero .geo-logo-hero{width:80px;height:auto;margin-bottom:24px;opacity:0;animation:fadeUp .8s ease forwards}
.hero h1{font-size:clamp(2.2rem,5vw,3.6rem);font-weight:800;font-variation-settings:'wdth' 115;color:#fff;line-height:1.15;margin-bottom:20px;opacity:0;animation:fadeUp .8s ease forwards .2s}
.hero .subtitle{font-size:clamp(1rem,2vw,1.2rem);color:rgba(255,255,255,.88);max-width:640px;margin:0 auto 40px;font-weight:300;line-height:1.7;opacity:0;animation:fadeUp .8s ease forwards .35s}
.hero .ctas{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;opacity:0;animation:fadeUp .8s ease forwards .5s}
.trust-bar{margin-top:56px;display:flex;gap:32px;justify-content:center;flex-wrap:wrap;opacity:0;animation:fadeUp .8s ease forwards .65s}
.trust-badge{background:rgba(255,255,255,.12);backdrop-filter:blur(4px);border:1px solid rgba(255,255,255,.15);border-radius:8px;padding:12px 20px;color:rgba(255,255,255,.9);font-size:.8rem;font-weight:400}
.trust-badge strong{font-weight:700;color:#fff;display:block;font-size:1.4rem;margin-bottom:2px}

@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:8px;font-weight:700;font-size:.95rem;letter-spacing:.03em;transition:all .25s;cursor:pointer;border:none;text-decoration:none}
.btn-white{background:#fff;color:var(--black)}
.btn-white:hover{background:var(--light);color:var(--black);transform:translateY(-2px);box-shadow:0 8px 30px rgba(0,0,0,.15)}
.btn-outline{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.5)}
.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.1);color:#fff}
.btn-brand{background:var(--brand);color:#fff}
.btn-brand:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px)}

/* SECTIONS */
section{padding:100px 0}
section.alt{background:var(--light)}
section.dark{background:var(--black);color:#fff}
section.brand{background:var(--brand);color:#fff}
.section-label{font-size:.75rem;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:var(--brand);margin-bottom:12px}
section.dark .section-label,section.brand .section-label{color:rgba(255,255,255,.5)}
.section-title{font-size:clamp(1.8rem,3.5vw,2.8rem);font-weight:800;font-variation-settings:'wdth' 110;line-height:1.2;margin-bottom:16px}
.section-subtitle{font-size:1.1rem;color:var(--text-sec);max-width:620px;line-height:1.7;margin-bottom:48px;font-weight:300}
section.dark .section-subtitle{color:rgba(255,255,255,.6)}
section.brand .section-subtitle{color:rgba(255,255,255,.75)}
.text-center{text-align:center}
.mx-auto{margin-left:auto;margin-right:auto}

/* DIFFERENTIATORS GRID */
.diff-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:20px}
.diff-card{background:var(--black);border:1px solid rgba(255,255,255,.06);border-radius:var(--radius);padding:36px 30px;transition:transform .3s,border-color .3s}
.diff-card:hover{transform:translateY(-4px);border-color:var(--brand)}
.diff-icon{width:48px;height:48px;background:var(--brand);border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:20px;font-size:22px}
.diff-card h3{color:#fff;font-size:1.15rem;font-weight:700;margin-bottom:10px}
.diff-card p{color:rgba(255,255,255,.6);font-size:.92rem;line-height:1.65}

/* PLATFORM */
.platform-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.platform-modules{display:grid;gap:12px}
.module-item{display:flex;align-items:flex-start;gap:14px;padding:16px 18px;border-radius:var(--radius-sm);border:1px solid rgba(255,255,255,.08);transition:border-color .2s}
.module-item:hover{border-color:var(--brand)}
.module-num{color:var(--brand);font-family:'Roboto Mono',monospace;font-weight:700;font-size:.85rem;min-width:24px;padding-top:2px}
.module-item h4{color:#fff;font-size:.95rem;font-weight:600;margin-bottom:4px}
.module-item p{color:rgba(255,255,255,.5);font-size:.82rem;line-height:1.5}
.platform-visual{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);min-height:420px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.platform-visual::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(27,175,221,.08),transparent 60%)}
.mock-ui{color:rgba(255,255,255,.3);font-size:.9rem;font-family:'Roboto Mono',monospace;text-align:center;padding:40px;width:100%}
.mock-tabs{display:flex;gap:2px;margin-bottom:24px;justify-content:center}
.mock-tab{padding:8px 16px;background:rgba(255,255,255,.06);border-radius:6px 6px 0 0;font-size:.75rem;color:rgba(255,255,255,.4)}
.mock-tab.active{background:var(--brand);color:#fff}
.mock-body{border:1px solid rgba(255,255,255,.08);border-radius:0 0 8px 8px;padding:30px;min-height:200px;background:rgba(0,0,0,.3);text-align:left}
.mock-row{display:flex;align-items:center;gap:8px;margin-bottom:10px;font-size:.7rem;color:rgba(255,255,255,.3)}
.mock-row .label{width:70px;text-align:right}
.mock-bar{height:8px;border-radius:4px;flex:1}

/* RESEARCH */
.research-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}
.research-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:32px 28px;transition:transform .3s,box-shadow .3s}
.research-card:hover{transform:translateY(-3px);box-shadow:0 12px 40px rgba(0,0,0,.06)}
.research-badge{display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:4px 10px;border-radius:4px;margin-bottom:14px}
.badge-featured{background:var(--brand);color:#fff}
.badge-progress{background:var(--brand-light);color:var(--brand-dark)}
.badge-planned{background:var(--light);color:var(--text-muted)}
.research-card h3{font-size:1.05rem;font-weight:700;margin-bottom:8px}
.research-card p{color:var(--text-sec);font-size:.88rem;line-height:1.6}

/* CITATION TABLE */
.table-wrapper{overflow-x:auto;margin:32px 0}
.citation-table{width:100%;border-collapse:collapse;font-size:.85rem;min-width:600px}
.citation-table th{background:var(--black);color:#fff;padding:12px 16px;text-align:left;font-weight:600;font-size:.78rem;letter-spacing:.04em;text-transform:uppercase}
.citation-table td{padding:12px 16px;border-bottom:1px solid var(--border)}
.citation-table tr:nth-child(even){background:var(--light)}
.cited{color:var(--success);font-weight:600}
.not-cited{color:var(--text-muted);font-style:italic}

/* STEPS */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:48px}
.step{text-align:center;position:relative}
.step::after{content:'';position:absolute;top:32px;right:-12px;width:24px;height:2px;background:var(--border)}
.step:last-child::after{display:none}
.step-num{width:64px;height:64px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.4rem;font-weight:800;margin:0 auto 18px}
.step h3{font-size:1rem;font-weight:700;margin-bottom:8px}
.step p{color:var(--text-sec);font-size:.85rem;line-height:1.6}

/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--border);overflow:hidden}
.faq-q{width:100%;background:none;border:none;text-align:left;padding:22px 0;font-family:inherit;font-size:1rem;font-weight:600;color:var(--text);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;line-height:1.4}
.faq-q:hover{color:var(--brand)}
.faq-q::after{content:'+';font-size:1.4rem;font-weight:300;color:var(--text-muted);transition:transform .3s;flex-shrink:0}
.faq-item.open .faq-q::after{transform:rotate(45deg);color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-item.open .faq-a{max-height:400px}
.faq-a p{padding:0 0 22px;color:var(--text-sec);font-size:.92rem;line-height:1.7}

/* CONTACT */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.contact-text p{color:rgba(255,255,255,.75);font-size:1.05rem;line-height:1.7;margin-bottom:24px}
.contact-stat{display:flex;gap:28px;flex-wrap:wrap}
.contact-stat div{font-family:'Roboto Mono',monospace}
.contact-stat strong{display:block;color:#fff;font-size:1.6rem}
.contact-stat span{color:rgba(255,255,255,.5);font-size:.78rem}
.form-card{background:#fff;border-radius:var(--radius);padding:40px 36px;color:var(--text)}
.form-card h3{font-size:1.2rem;font-weight:700;margin-bottom:24px;color:var(--black)}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:.78rem;font-weight:600;color:var(--text-muted);margin-bottom:6px;letter-spacing:.02em;text-transform:uppercase}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:6px;font-family:inherit;font-size:.92rem;transition:border-color .2s;background:#fff;color:var(--text)}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(27,175,221,.12)}
.form-group textarea{resize:vertical;min-height:80px}
.btn-submit{width:100%;padding:16px;background:var(--brand);color:#fff;border:none;border-radius:8px;font-family:inherit;font-size:1rem;font-weight:700;cursor:pointer;transition:background .2s,transform .15s}
.btn-submit:hover{background:var(--brand-dark);transform:translateY(-1px)}
.form-note{font-size:.75rem;color:var(--text-muted);margin-top:12px;text-align:center}
.form-note a{color:var(--brand)}
.form-success{display:none;text-align:center;padding:40px 20px}
.form-success h3{color:var(--success);margin-bottom:8px}

/* FOOTER */
footer{background:var(--black);color:rgba(255,255,255,.5);padding:60px 0 24px;border-top:1px solid rgba(255,255,255,.06)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px}
.footer-brand p{font-size:.85rem;line-height:1.6;max-width:280px}
.footer-col .footer-heading{color:#fff;font-size:.78rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;margin-bottom:16px}
.footer-col a{display:block;font-size:.85rem;color:rgba(255,255,255,.45);margin-bottom:10px;transition:color .2s}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.06);padding-top:24px;display:flex;justify-content:space-between;font-size:.78rem}
.footer-bottom span{color:rgba(255,255,255,.3)}
.social-links{display:flex;gap:8px;margin-top:16px}
.social-links a{display:inline-flex;align-items:center;justify-content:center;min-width:48px;min-height:48px;padding:8px 16px;border-radius:6px;border:1px solid rgba(255,255,255,.15);font-size:.8rem;color:rgba(255,255,255,.5);transition:all .2s}
.social-links a:hover{color:#fff;border-color:rgba(255,255,255,.4);background:rgba(255,255,255,.05)}

/* RESPONSIVE */
@media(max-width:900px){
  nav .links{display:none}
  .hamburger{display:block}
  .platform-grid,.contact-grid{grid-template-columns:1fr}
  .platform-visual{min-height:300px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step::after{display:none}
  .footer-grid{grid-template-columns:1fr 1fr}
  .diff-grid{grid-template-columns:1fr}
  .trust-bar{flex-direction:column;align-items:center}
}
@media(max-width:600px){
  section{padding:64px 0}
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .hero{padding:100px 20px 60px}
}