*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
--blue:#1565C0;
--blue-light:#1E88E5;
--blue-dark:#0D47A1;
--green:#43A047;
--green-light:#66BB6A;
--green-dark:#2E7D32;
--white:#ffffff;
--off-white:#F5F9FF;
--gray-light:#ECF0F5;
--gray:#9BA5B0;
--dark:#0A1628;
--dark2:#152238;
--font-head:'Montserrat',sans-serif;
--font-body:'Source Sans 3',sans-serif;
--transition:0.3s ease;
}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);background:var(--white);color:var(--dark);overflow-x:hidden}

/* NAV */
nav{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(10,22,40,0.97);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,0.08)}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 2rem;display:flex;align-items:center;justify-content:space-between;height:72px}
.nav-logo img{height:44px;filter:brightness(0) invert(1)}
.nav-links{display:flex;gap:2rem;list-style:none}
.nav-links a{color:rgba(255,255,255,0.78);text-decoration:none;font-family:var(--font-head);font-size:0.78rem;font-weight:600;letter-spacing:0.08em;text-transform:uppercase;transition:color var(--transition);padding:0.25rem 0;border-bottom:2px solid transparent}
.nav-links a:hover,.nav-links a.active{color:#fff;border-bottom-color:var(--green-light)}
.nav-cta{background:linear-gradient(135deg,var(--green),var(--blue-light));color:#fff;padding:0.55rem 1.4rem;border-radius:4px;font-family:var(--font-head);font-size:0.75rem;font-weight:700;letter-spacing:0.06em;text-transform:uppercase;text-decoration:none;transition:opacity var(--transition)}
.nav-cta:hover{opacity:0.85}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:4px}
.hamburger span{display:block;width:24px;height:2px;background:#fff;transition:var(--transition)}
@media(max-width:768px){
.hamburger{display:flex}
.nav-links{display:none;position:absolute;top:72px;left:0;right:0;background:rgba(10,22,40,0.98);flex-direction:column;padding:1.5rem 2rem;gap:1.2rem}
.nav-links.open{display:flex}
.nav-cta{display:none}
}

/* PAGE SECTIONS */
.page{display:block}  /* changed from none to block since we use separate pages */
.hero{min-height:100vh;background:var(--dark);position:relative;display:flex;align-items:center;overflow:hidden;padding-top:72px}
.hero-bg{position:absolute;inset:0;background:radial-gradient(ellipse 80% 60% at 60% 40%,rgba(21,101,192,0.18) 0%,transparent 70%),radial-gradient(ellipse 60% 50% at 20% 80%,rgba(67,160,71,0.12) 0%,transparent 60%)}
.hero-grid{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:60px 60px}
.hero-content{position:relative;max-width:1200px;margin:0 auto;padding:4rem 2rem;display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center}
.hero-eyebrow{font-family:var(--font-head);font-size:0.72rem;font-weight:700;letter-spacing:0.18em;text-transform:uppercase;color:var(--green-light);margin-bottom:1rem}
.hero-title{font-family:var(--font-head);font-size:clamp(2.2rem,4vw,3.6rem);font-weight:800;line-height:1.1;color:#fff;margin-bottom:1rem}
.hero-title span{background:linear-gradient(90deg,var(--blue-light),var(--green-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-tagline{font-size:1.15rem;color:rgba(255,255,255,0.62);font-style:italic;margin-bottom:1.8rem;font-weight:300;letter-spacing:0.02em}
.hero-desc{font-size:1rem;line-height:1.8;color:rgba(255,255,255,0.55);margin-bottom:2.5rem;max-width:480px}
.hero-btns{display:flex;gap:1rem;flex-wrap:wrap}
.btn-primary{background:linear-gradient(135deg,var(--blue),var(--blue-light));color:#fff;padding:0.85rem 2rem;border-radius:4px;font-family:var(--font-head);font-size:0.82rem;font-weight:700;letter-spacing:0.06em;text-decoration:none;text-transform:uppercase;display:inline-block;transition:transform var(--transition),box-shadow var(--transition)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(21,101,192,0.4)}
.btn-outline{border:1.5px solid rgba(255,255,255,0.3);color:#fff;padding:0.85rem 2rem;border-radius:4px;font-family:var(--font-head);font-size:0.82rem;font-weight:700;letter-spacing:0.06em;text-decoration:none;text-transform:uppercase;display:inline-block;transition:border-color var(--transition),background var(--transition)}
.btn-outline:hover{border-color:var(--green-light);background:rgba(102,187,106,0.08)}
.hero-visual{position:relative;display:flex;align-items:center;justify-content:center}
.hero-orb{width:380px;height:380px;border-radius:50%;background:radial-gradient(circle at 35% 35%,rgba(30,136,229,0.25),rgba(67,160,71,0.12) 50%,transparent 70%);border:1px solid rgba(255,255,255,0.07);position:relative;display:flex;align-items:center;justify-content:center}
.hero-orb::before{content:"";position:absolute;inset:20px;border-radius:50%;border:1px solid rgba(255,255,255,0.04)}
.hero-orb::after{content:"";position:absolute;inset:60px;border-radius:50%;border:1px solid rgba(255,255,255,0.04)}
.hero-dna{font-family:var(--font-head);font-size:5rem;color:rgba(255,255,255,0.06);font-weight:800;letter-spacing:-0.05em;user-select:none}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;position:relative;z-index:2;margin-top:3rem}
.stat-chip{text-align:center;padding:1rem;background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.08);border-radius:8px}
.stat-num{font-family:var(--font-head);font-size:1.6rem;font-weight:800;color:var(--green-light)}
.stat-lbl{font-size:0.73rem;color:rgba(255,255,255,0.5);text-transform:uppercase;letter-spacing:0.08em;margin-top:0.2rem}
@media(max-width:768px){
.hero-content{grid-template-columns:1fr}
.hero-visual{display:none}
.hero-stats{grid-template-columns:repeat(3,1fr)}
}

/* SECTIONS */
section{padding:6rem 2rem}
.container{max-width:1200px;margin:0 auto}
.section-label{font-family:var(--font-head);font-size:0.72rem;font-weight:700;letter-spacing:0.18em;text-transform:uppercase;color:var(--green);margin-bottom:0.8rem}
.section-title{font-family:var(--font-head);font-size:clamp(1.8rem,3vw,2.8rem);font-weight:800;line-height:1.15;color:var(--dark);margin-bottom:1.2rem}
.section-title.light{color:#fff}
.section-sub{font-size:1.05rem;line-height:1.75;color:#5A6472;max-width:600px}
.section-sub.light{color:rgba(255,255,255,0.6)}
.divider-line{width:48px;height:3px;background:linear-gradient(90deg,var(--blue),var(--green));border-radius:2px;margin:1.2rem 0 2.5rem}

/* ABOUT */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:5rem;align-items:center;margin-top:4rem}
.about-img-block{position:relative}
.about-img-inner{background:linear-gradient(135deg,var(--blue-dark),var(--blue));border-radius:16px;padding:3rem 2rem;color:#fff;position:relative;overflow:hidden}
.about-img-inner::before{content:"";position:absolute;top:-40px;right:-40px;width:160px;height:160px;border-radius:50%;background:rgba(102,187,106,0.2)}
.about-img-inner::after{content:"";position:absolute;bottom:-30px;left:-30px;width:120px;height:120px;border-radius:50%;background:rgba(255,255,255,0.05)}
.about-badge{display:inline-block;background:rgba(255,255,255,0.12);border:1px solid rgba(255,255,255,0.2);border-radius:4px;font-family:var(--font-head);font-size:0.7rem;font-weight:700;letter-spacing:0.12em;text-transform:uppercase;color:#fff;padding:0.4rem 1rem;margin-bottom:1.2rem}
.about-img-title{font-family:var(--font-head);font-size:1.6rem;font-weight:800;line-height:1.2;margin-bottom:0.8rem}
.about-img-sub{font-size:0.9rem;line-height:1.7;opacity:0.7}
.about-pillars{margin-top:2rem;display:flex;flex-direction:column;gap:0.8rem;position:relative;z-index:1}
.pillar{background:rgba(255,255,255,0.1);border:1px solid rgba(255,255,255,0.15);border-radius:8px;padding:0.8rem 1rem;display:flex;align-items:center;gap:0.8rem;font-size:0.85rem}
.pillar-dot{width:8px;height:8px;border-radius:50%;background:var(--green-light);flex-shrink:0}
.values-list{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem;margin-top:2rem}
.value-card{padding:1.4rem;background:var(--off-white);border-radius:12px;border:1px solid var(--gray-light);transition:transform var(--transition),box-shadow var(--transition)}
.value-card:hover{transform:translateY(-3px);box-shadow:0 8px 24px rgba(21,101,192,0.1)}
.value-icon{width:40px;height:40px;border-radius:10px;background:linear-gradient(135deg,var(--blue),var(--blue-light));display:flex;align-items:center;justify-content:center;margin-bottom:0.8rem;font-size:1.1rem}
.value-name{font-family:var(--font-head);font-size:0.85rem;font-weight:700;color:var(--dark);margin-bottom:0.3rem}
.value-desc{font-size:0.82rem;color:#5A6472;line-height:1.6}
@media(max-width:768px){.about-grid{grid-template-columns:1fr}.values-list{grid-template-columns:1fr}}

/* RESEARCH */
.research-bg{background:var(--dark)}
.research-areas{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;margin-top:3.5rem}
.research-card{background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.08);border-radius:16px;padding:2rem;transition:border-color var(--transition),transform var(--transition);position:relative;overflow:hidden;text-decoration:none;display:block;color:inherit}
.research-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--blue-light),var(--green-light))}
.research-card:hover{border-color:rgba(255,255,255,0.16);transform:translateY(-4px)}
.rc-icon{width:52px;height:52px;border-radius:12px;background:rgba(21,101,192,0.2);border:1px solid rgba(21,101,192,0.3);display:flex;align-items:center;justify-content:center;margin-bottom:1.2rem;font-size:1.4rem}
.rc-icon.green{background:rgba(67,160,71,0.2);border-color:rgba(67,160,71,0.3)}
.rc-title{font-family:var(--font-head);font-size:1rem;font-weight:700;color:#fff;margin-bottom:0.6rem}
.rc-desc{font-size:0.87rem;line-height:1.7;color:rgba(255,255,255,0.52);margin-bottom:1.2rem}
.rc-tags{display:flex;flex-wrap:wrap;gap:0.4rem}
.rc-tag{font-family:var(--font-head);font-size:0.65rem;font-weight:600;letter-spacing:0.08em;text-transform:uppercase;background:rgba(255,255,255,0.08);color:rgba(255,255,255,0.6);padding:0.3rem 0.7rem;border-radius:100px}
.publications-strip{margin-top:4rem;background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.08);border-radius:16px;padding:2rem}
.pub-title{font-family:var(--font-head);font-size:0.75rem;font-weight:700;letter-spacing:0.1em;text-transform:uppercase;color:var(--green-light);margin-bottom:1.2rem}
.pub-list{display:flex;flex-direction:column;gap:1rem}
.pub-item{padding-bottom:1rem;border-bottom:1px solid rgba(255,255,255,0.06);display:flex;gap:1rem;align-items:flex-start}
.pub-item:last-child{border-bottom:none;padding-bottom:0}
.pub-num{font-family:var(--font-head);font-size:0.7rem;font-weight:700;color:var(--blue-light);min-width:20px;margin-top:2px}
.pub-text{font-size:0.85rem;color:rgba(255,255,255,0.6);line-height:1.6}
.pub-text strong{color:rgba(255,255,255,0.85);font-weight:600}

/* SERVICES */
.services-header{text-align:center;margin-bottom:4rem}
.services-header .section-sub{margin:0 auto}
.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem}
.svc-card{border:1px solid var(--gray-light);border-radius:16px;overflow:hidden;transition:transform var(--transition),box-shadow var(--transition)}
.svc-card:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(21,101,192,0.12)}
.svc-header{padding:2rem 2rem 1.5rem;background:linear-gradient(135deg,var(--blue-dark),var(--blue))}
.svc-header.green{background:linear-gradient(135deg,var(--green-dark),var(--green))}
.svc-header.mixed{background:linear-gradient(135deg,var(--blue-dark),var(--green-dark))}
.svc-icon-wrap{width:48px;height:48px;background:rgba(255,255,255,0.15);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.4rem;margin-bottom:1rem}
.svc-name{font-family:var(--font-head);font-size:1rem;font-weight:700;color:#fff;margin-bottom:0.4rem}
.svc-code{font-size:0.72rem;color:rgba(255,255,255,0.55);font-family:var(--font-head);letter-spacing:0.08em}
.svc-body{padding:1.5rem 2rem}
.svc-desc{font-size:0.88rem;line-height:1.7;color:#5A6472;margin-bottom:1.2rem}
.svc-features{list-style:none;display:flex;flex-direction:column;gap:0.5rem}
.svc-features li{font-size:0.83rem;color:#4A5568;display:flex;align-items:center;gap:0.6rem}
.svc-features li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--blue);flex-shrink:0}
.cro-banner{margin-top:4rem;background:linear-gradient(135deg,var(--blue-dark) 0%,var(--blue) 50%,var(--green-dark) 100%);border-radius:20px;padding:3.5rem;display:grid;grid-template-columns:1fr auto;gap:2rem;align-items:center}
.cro-banner-title{font-family:var(--font-head);font-size:clamp(1.4rem,2.5vw,2rem);font-weight:800;color:#fff;margin-bottom:0.6rem}
.cro-banner-sub{font-size:0.95rem;color:rgba(255,255,255,0.65);line-height:1.6;max-width:500px}
.btn-white{background:#fff;color:var(--blue-dark);padding:0.85rem 2rem;border-radius:4px;font-family:var(--font-head);font-size:0.82rem;font-weight:700;letter-spacing:0.06em;text-transform:uppercase;text-decoration:none;white-space:nowrap;display:inline-block;transition:opacity var(--transition)}
.btn-white:hover{opacity:0.9}
@media(max-width:700px){.cro-banner{grid-template-columns:1fr}.cro-banner-title{font-size:1.4rem}}

/* CONTACT */
.contact-bg{background:var(--off-white)}
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:4rem;margin-top:3rem;align-items:start}
.contact-info{display:flex;flex-direction:column;gap:1.5rem}
.ci-item{display:flex;gap:1rem;align-items:flex-start}
.ci-icon{width:44px;height:44px;border-radius:10px;background:linear-gradient(135deg,var(--blue),var(--blue-light));display:flex;align-items:center;justify-content:center;font-size:1.1rem;flex-shrink:0}
.ci-label{font-family:var(--font-head);font-size:0.72rem;font-weight:700;letter-spacing:0.1em;text-transform:uppercase;color:var(--gray);margin-bottom:0.2rem}
.ci-val{font-size:0.95rem;color:var(--dark);font-weight:600}
.ci-sub{font-size:0.83rem;color:var(--gray)}
.contact-form{background:#fff;border-radius:20px;padding:2.5rem;box-shadow:0 4px 24px rgba(21,101,192,0.08);border:1px solid var(--gray-light)}
.form-title{font-family:var(--font-head);font-size:1.15rem;font-weight:700;color:var(--dark);margin-bottom:1.8rem}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.form-group{margin-bottom:1.2rem;display:flex;flex-direction:column;gap:0.4rem}
.form-group label{font-family:var(--font-head);font-size:0.72rem;font-weight:700;letter-spacing:0.08em;text-transform:uppercase;color:#6B7280}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:0.75rem 1rem;border:1.5px solid var(--gray-light);border-radius:8px;font-family:var(--font-body);font-size:0.9rem;color:var(--dark);background:#fff;transition:border-color var(--transition);outline:none}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--blue)}
.form-group textarea{resize:vertical;min-height:100px}
.form-submit{width:100%;background:linear-gradient(135deg,var(--blue),var(--green));color:#fff;padding:1rem;border:none;border-radius:8px;font-family:var(--font-head);font-size:0.85rem;font-weight:700;letter-spacing:0.06em;text-transform:uppercase;cursor:pointer;transition:opacity var(--transition)}
.form-submit:hover{opacity:0.88}
.form-submit:disabled{opacity:0.6;cursor:not-allowed}
.form-success{display:none;text-align:center;padding:2rem;color:var(--green-dark);font-weight:600;font-family:var(--font-head)}
@media(max-width:768px){.contact-grid{grid-template-columns:1fr}.form-row{grid-template-columns:1fr}}

/* FOOTER */
footer{background:var(--dark);padding:4rem 2rem 2rem}
.footer-inner{max-width:1200px;margin:0 auto}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:3rem;margin-bottom:3rem}
.footer-brand-logo{height:36px;filter:brightness(0) invert(1);margin-bottom:1rem}
.footer-desc{font-size:0.85rem;color:rgba(255,255,255,0.45);line-height:1.7;max-width:260px}
.footer-col-title{font-family:var(--font-head);font-size:0.72rem;font-weight:700;letter-spacing:0.12em;text-transform:uppercase;color:rgba(255,255,255,0.35);margin-bottom:1rem}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:0.6rem}
.footer-links a{color:rgba(255,255,255,0.55);text-decoration:none;font-size:0.85rem;transition:color var(--transition)}
.footer-links a:hover{color:var(--green-light)}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.08);padding-top:1.5rem;display:flex;justify-content:space-between;align-items:center}
.footer-copy{font-size:0.8rem;color:rgba(255,255,255,0.3)}
.footer-badges{display:flex;gap:0.6rem}
.fbadge{font-size:0.68rem;font-family:var(--font-head);font-weight:700;letter-spacing:0.06em;text-transform:uppercase;background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.1);color:rgba(255,255,255,0.45);padding:0.3rem 0.7rem;border-radius:100px}
@media(max-width:768px){.footer-top{grid-template-columns:1fr 1fr}.footer-bottom{flex-direction:column;gap:1rem;text-align:center}}
@media(max-width:480px){.footer-top{grid-template-columns:1fr}}

/* TEAM */
.team-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;margin-top:3rem}
.team-card{text-align:center;padding:2rem 1.5rem;background:#fff;border:1px solid var(--gray-light);border-radius:16px;transition:box-shadow var(--transition)}
.team-card:hover{box-shadow:0 8px 28px rgba(21,101,192,0.1)}
.team-avatar{width:80px;height:80px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--green));display:flex;align-items:center;justify-content:center;margin:0 auto 1rem;font-family:var(--font-head);font-size:1.4rem;font-weight:800;color:#fff}
.team-name{font-family:var(--font-head);font-size:0.9rem;font-weight:700;color:var(--dark);margin-bottom:0.2rem}
.team-role{font-size:0.78rem;color:var(--gray)}

/* BIOFUEL PAGE SPECIAL */
.biofuel-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;margin:3rem 0}
.metric-card{background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.08);border-radius:16px;padding:2rem;text-align:center}
.metric-number{font-family:var(--font-head);font-size:2.8rem;font-weight:800;color:var(--green-light);line-height:1}
.metric-label{color:rgba(255,255,255,0.6);font-size:0.9rem;margin-top:0.5rem}
.biofuel-process{display:grid;grid-template-columns:1fr 1fr 1fr;gap:2rem;margin-top:3rem}
.process-step{background:#fff;padding:2rem;border-radius:16px;border:1px solid var(--gray-light)}
.process-step h4{font-family:var(--font-head);font-size:1rem;color:var(--blue-dark);margin-bottom:0.5rem}
@media(max-width:768px){.biofuel-metrics,.biofuel-process{grid-template-columns:1fr}}