/* ===== CSS Variables ===== */
:root {
  --primary: #0C447C;
  --primary-dark: #082d54;
  --primary-light: #1a6bc4;
  --accent: #E6F1FB;
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-500: #64748b;
  --gray-700: #334155;
  --gray-900: #0f172a;
  --shadow-sm: 0 1px 3px rgba(12,68,124,.08);
  --shadow-md: 0 4px 20px rgba(12,68,124,.1);
  --shadow-lg: 0 10px 40px rgba(12,68,124,.15);
  --shadow-xl: 0 20px 60px rgba(12,68,124,.2);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: .3s cubic-bezier(.4,0,.2,1);
}

/* ===== Reset ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'DM Sans',sans-serif;color:var(--gray-700);line-height:1.7;overflow-x:hidden;background:var(--white)}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit;transition:var(--transition)}
ul{list-style:none}
h1,h2,h3,h4,h5{font-family:'Exo 2',sans-serif;color:var(--gray-900);line-height:1.2}

/* ===== Utility ===== */
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:100px 0}
.section-label{display:inline-block;font-size:.85rem;font-weight:700;text-transform:uppercase;letter-spacing:2px;color:var(--primary);background:var(--accent);padding:6px 18px;border-radius:30px;margin-bottom:16px}
.section-title{font-size:clamp(2rem,4vw,2.8rem);margin-bottom:16px}
.section-subtitle{font-size:1.1rem;color:var(--gray-500);max-width:600px}
.section-header{text-align:center;margin-bottom:60px}
.section-header .section-subtitle{margin:0 auto}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:50px;font-family:'DM Sans',sans-serif;font-size:.95rem;font-weight:600;border:none;cursor:pointer;transition:var(--transition)}
.btn-primary{background:var(--primary);color:var(--white)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.btn-outline{background:transparent;color:var(--white);border:2px solid rgba(255,255,255,.4)}
.btn-outline:hover{background:var(--white);color:var(--primary)}
.btn-outline-dark{background:transparent;color:var(--primary);border:2px solid var(--primary)}
.btn-outline-dark:hover{background:var(--primary);color:var(--white)}
.btn-sm{padding:10px 24px;font-size:.875rem}

/* ===== Nav ===== */
.navbar{position:fixed;top:0;left:0;width:100%;z-index:1000;padding:20px 0;transition:var(--transition)}
.navbar.scrolled{background:rgba(255,255,255,.97);backdrop-filter:blur(12px);padding:12px 0;box-shadow:var(--shadow-sm)}
.navbar .container{display:flex;align-items:center;justify-content:space-between}
.nav-logo{display:inline-flex;align-items:center}
.nav-logo-img{height:56px;width:auto;max-width:260px;object-fit:contain;flex-shrink:0}
.navbar.scrolled .nav-logo{color:var(--primary)}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-links a{color:rgba(255,255,255,.85);font-size:.9rem;font-weight:500;position:relative}
.nav-links a::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;background:var(--white);transition:var(--transition)}
.nav-links a:hover::after{width:100%}
.navbar.scrolled .nav-links a{color:var(--gray-700)}
.navbar.scrolled .nav-links a::after{background:var(--primary)}
.nav-cta{background:var(--white);color:var(--primary) !important;padding:10px 24px;border-radius:50px;font-weight:600 !important}
.nav-cta:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.nav-cta::after{display:none !important}
.navbar.scrolled .nav-cta{background:var(--primary);color:var(--white) !important}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;z-index:1001}
.hamburger span{width:24px;height:2px;background:var(--white);transition:var(--transition)}
.navbar.scrolled .hamburger span{background:var(--primary)}

/* ===== Hero ===== */
.hero{min-height:100vh;display:flex;align-items:center;background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 50%,var(--primary-light) 100%);position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;width:600px;height:600px;border-radius:50%;background:rgba(255,255,255,.03);top:-200px;right:-100px}
.hero::after{content:'';position:absolute;width:400px;height:400px;border-radius:50%;background:rgba(255,255,255,.04);bottom:-100px;left:-50px}
.hero-content{position:relative;z-index:2;max-width:700px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);padding:8px 20px;border-radius:50px;color:var(--white);font-size:.85rem;margin-bottom:28px}
.hero-badge i{color:#4ade80}
.hero h1{font-size:clamp(2.5rem,5.5vw,4rem);color:var(--white);margin-bottom:20px}
.hero h1 span{background:linear-gradient(135deg,#60a5fa,#a78bfa);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero p{font-size:1.2rem;color:rgba(255,255,255,.75);margin-bottom:36px;max-width:540px}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap}
.hero-float{position:absolute;right:8%;top:50%;transform:translateY(-50%);z-index:2;display:flex;flex-direction:column;gap:20px}
.float-card{background:rgba(255,255,255,.1);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.15);padding:20px 28px;border-radius:var(--radius);color:var(--white);animation:floatUp 6s ease-in-out infinite}
.float-card:nth-child(2){animation-delay:2s}
.float-card:nth-child(3){animation-delay:4s}
.float-card .num{font-size:2rem;font-weight:700;font-family:'Exo 2',sans-serif}
.float-card .label{font-size:.8rem;opacity:.7}
@keyframes floatUp{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}

/* ===== Stats ===== */
.stats{background:var(--white);border-top:1px solid var(--gray-200);border-bottom:1px solid var(--gray-200)}
.stats .container{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;padding:48px 24px}
.stat-item{text-align:center}
.stat-num{font-family:'Exo 2',sans-serif;font-size:2.5rem;color:var(--primary);font-weight:700}
.stat-label{color:var(--gray-500);font-size:.9rem;margin-top:4px}

/* ===== Services ===== */
.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:28px}
.service-card{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius-lg);padding:36px;transition:var(--transition);position:relative;overflow:hidden}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-xl);border-color:transparent}
.service-card::before{content:'';position:absolute;top:0;left:0;width:100%;height:4px;background:linear-gradient(90deg,var(--primary),var(--primary-light));opacity:0;transition:var(--transition)}
.service-card:hover::before{opacity:1}
.service-icon{width:56px;height:56px;border-radius:var(--radius);background:var(--accent);display:flex;align-items:center;justify-content:center;font-size:1.4rem;color:var(--primary);margin-bottom:20px}
.service-card h3{font-size:1.25rem;margin-bottom:10px}
.service-card p{color:var(--gray-500);font-size:.95rem;margin-bottom:16px}
.service-card .learn-more{color:var(--primary);font-weight:600;font-size:.9rem;display:inline-flex;align-items:center;gap:6px}
.service-card .learn-more:hover{gap:10px}

/* ===== Featured Project ===== */
.featured-project{background:var(--accent)}
.project-showcase{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.project-img{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-xl)}
.project-img img{width:100%;transition:var(--transition)}
.project-img:hover img{transform:scale(1.03)}
.project-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.project-tags span{background:var(--primary);color:var(--white);padding:4px 14px;border-radius:30px;font-size:.8rem;font-weight:500}
.project-info h3{font-size:2rem;margin-bottom:16px}
.project-info p{color:var(--gray-500);margin-bottom:24px}
.project-status{display:inline-flex;align-items:center;gap:8px;color:#16a34a;font-weight:600;font-size:.9rem;margin-bottom:24px}
.project-status i{font-size:.5rem}

/* ===== Process ===== */
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;position:relative}
.process-grid::before{content:'';position:absolute;top:40px;left:15%;width:70%;height:2px;background:var(--gray-200)}
.process-step{text-align:center;position:relative;z-index:2}
.step-num{width:80px;height:80px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-family:'Exo 2',sans-serif;font-size:1.5rem;font-weight:700;color:var(--primary);border:3px solid var(--white);box-shadow:var(--shadow-md);transition:var(--transition)}
.process-step:hover .step-num{background:var(--primary);color:var(--white);transform:scale(1.1)}
.process-step h4{font-size:1.1rem;margin-bottom:8px}
.process-step p{font-size:.9rem;color:var(--gray-500)}

/* ===== Testimonials ===== */
.testimonials{background:var(--gray-50)}
.testimonials-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:28px}
.testimonial-card{background:var(--white);border-radius:var(--radius-lg);padding:36px;border:1px solid var(--gray-200);transition:var(--transition)}
.testimonial-card:hover{box-shadow:var(--shadow-lg)}
.stars{color:#f59e0b;margin-bottom:16px;font-size:1rem}
.testimonial-card blockquote{font-size:1.05rem;color:var(--gray-700);margin-bottom:24px;font-style:italic;line-height:1.8}
.testimonial-author{display:flex;align-items:center;gap:14px}
.testimonial-avatar{width:48px;height:48px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;font-weight:700;color:var(--primary);font-size:1.1rem}
.testimonial-author h5{font-size:.95rem;color:var(--gray-900)}
.testimonial-author span{font-size:.8rem;color:var(--gray-500)}

/* ===== CTA Banner ===== */
.cta-banner{background:linear-gradient(135deg,var(--primary-dark),var(--primary));padding:80px 0;text-align:center}
.cta-banner h2{color:var(--white);font-size:clamp(1.8rem,4vw,2.5rem);margin-bottom:16px}
.cta-banner p{color:rgba(255,255,255,.7);font-size:1.1rem;margin-bottom:32px}

/* ===== Services Detail ===== */
.service-detail{border:1px solid var(--gray-200);border-radius:var(--radius-lg);padding:48px;margin-bottom:32px;transition:var(--transition)}
.service-detail:hover{box-shadow:var(--shadow-lg)}
.service-detail-header{display:flex;align-items:flex-start;gap:24px;margin-bottom:24px}
.service-detail h3{font-size:1.6rem;margin-bottom:8px}
.tech-tags{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}
.tech-tags span{background:var(--accent);color:var(--primary);padding:6px 16px;border-radius:30px;font-size:.8rem;font-weight:600}
.deliverables{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:20px 0}
.deliverables li{display:flex;align-items:center;gap:8px;font-size:.95rem;color:var(--gray-700)}
.deliverables li i{color:var(--primary);font-size:.75rem}

/* ===== Portfolio ===== */
.filter-btns{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:48px}
.filter-btn{padding:10px 24px;border-radius:50px;border:1px solid var(--gray-200);background:var(--white);font-family:'DM Sans',sans-serif;font-size:.9rem;cursor:pointer;transition:var(--transition);color:var(--gray-700)}
.filter-btn.active,.filter-btn:hover{background:var(--primary);color:var(--white);border-color:var(--primary)}
.portfolio-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(360px,1fr));gap:28px}
.portfolio-card{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--gray-200);transition:var(--transition);background:var(--white)}
.portfolio-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-xl)}
.portfolio-thumb{height:220px;background:linear-gradient(135deg,var(--primary),var(--primary-light));display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.portfolio-thumb i{font-size:3rem;color:rgba(255,255,255,.3)}
.portfolio-thumb .featured-badge{position:absolute;top:16px;left:16px;background:#f59e0b;color:var(--white);padding:4px 14px;border-radius:30px;font-size:.75rem;font-weight:700}
.portfolio-body{padding:28px}
.portfolio-body h3{font-size:1.2rem;margin-bottom:8px}
.portfolio-body p{color:var(--gray-500);font-size:.9rem;margin-bottom:16px}

/* ===== About ===== */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.about-img{border-radius:var(--radius-lg);height:400px;background:linear-gradient(135deg,var(--primary),var(--primary-light));display:flex;align-items:center;justify-content:center}
.about-img i{font-size:5rem;color:rgba(255,255,255,.2)}
.team-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:28px}
.team-card{text-align:center;padding:36px 24px;border:1px solid var(--gray-200);border-radius:var(--radius-lg);transition:var(--transition)}
.team-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.team-avatar{width:90px;height:90px;border-radius:50%;background:var(--accent);margin:0 auto 16px;display:flex;align-items:center;justify-content:center;font-size:2rem;color:var(--primary)}
.team-card h4{font-size:1.1rem;margin-bottom:4px}
.team-card .role{color:var(--primary);font-size:.85rem;font-weight:600;margin-bottom:12px}
.team-card .social-link{color:var(--gray-500);font-size:1.1rem;transition:var(--transition)}
.team-card .social-link:hover{color:var(--primary)}
.why-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px;margin-top:48px}
.why-card{display:flex;gap:16px;padding:24px;border-radius:var(--radius);background:var(--gray-50);transition:var(--transition)}
.why-card:hover{background:var(--accent)}
.why-card i{font-size:1.5rem;color:var(--primary);flex-shrink:0;margin-top:4px}
.why-card h4{font-size:1rem;margin-bottom:6px}
.why-card p{font-size:.9rem;color:var(--gray-500)}

/* ===== Contact ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.contact-form{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius-lg);padding:40px}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-size:.9rem;font-weight:600;color:var(--gray-700);margin-bottom:6px}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:12px 16px;border:1px solid var(--gray-200);border-radius:var(--radius);font-family:'DM Sans',sans-serif;font-size:.95rem;transition:var(--transition);background:var(--gray-50)}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(12,68,124,.1)}
.form-group textarea{resize:vertical;min-height:120px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.contact-info-box{display:flex;flex-direction:column;gap:24px}
.info-card{display:flex;gap:16px;padding:24px;background:var(--accent);border-radius:var(--radius);transition:var(--transition)}
.info-card:hover{box-shadow:var(--shadow-md)}
.info-card i{font-size:1.3rem;color:var(--primary);margin-top:2px}
.info-card h4{font-size:1rem;margin-bottom:4px}
.info-card p{font-size:.9rem;color:var(--gray-500)}
.map-placeholder{height:280px;border-radius:var(--radius);overflow:hidden}

/* ===== Footer ===== */
.footer{background:var(--gray-900);color:var(--gray-300);padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand .nav-logo{color:var(--white);display:inline-block;margin-bottom:12px}
.footer-brand p{font-size:.9rem;line-height:1.8;color:var(--gray-500)}
.footer h5{color:var(--white);font-size:1rem;margin-bottom:16px;font-family:'Exo 2',sans-serif}
.footer ul li{margin-bottom:10px}
.footer ul li a{font-size:.9rem;color:var(--gray-500);transition:var(--transition)}
.footer ul li a:hover{color:var(--white)}
.social-links{display:flex;gap:14px;margin-top:16px}
.social-links a{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;color:var(--gray-500);transition:var(--transition)}
.social-links a:hover{background:var(--primary);color:var(--white)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;display:flex;justify-content:space-between;align-items:center;font-size:.85rem;color:var(--gray-500)}

/* ===== Intro Overlay ===== */
#intro-overlay{position:fixed;inset:0;background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 50%,var(--primary-light) 100%);display:flex;align-items:center;justify-content:center;z-index:9999;transition:opacity .6s ease}
#intro-overlay.hidden{opacity:0;pointer-events:none}
#intro-video{position:fixed;inset:0;width:100%;height:100%;object-fit:cover}

/* ===== Animations ===== */
.fade-in{opacity:0;transform:translateY(30px);transition:opacity .6s ease,transform .6s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}

/* ===== Tablet Landscape (≤1024px) ===== */
@media(max-width:1024px){
  .hero-float{right:3%;gap:14px}
  .float-card{padding:16px 20px}
  .process-grid{grid-template-columns:repeat(4,1fr);gap:20px}
  .footer-grid{grid-template-columns:2fr 1fr 1fr;gap:28px}
  .services-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
  .testimonials-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
  .portfolio-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
  .project-showcase{gap:36px}
  .about-grid{gap:36px}
  .contact-grid{gap:32px}
  .service-detail{padding:32px}
}

/* ===== Tablet Portrait (≤768px) ===== */
@media(max-width:768px){
  .hamburger{display:flex}
  .nav-logo-img{height:48px;max-width:220px}
  .nav-links{position:fixed;top:0;right:-100%;width:80%;max-width:320px;height:100vh;background:var(--white);flex-direction:column;justify-content:center;padding:40px;box-shadow:var(--shadow-xl);transition:var(--transition);z-index:1000}
  .nav-links.open{right:0}
  .nav-links a{color:var(--gray-700) !important;font-size:1.1rem}
  .nav-cta{background:var(--primary) !important;color:var(--white) !important}
  .hero{min-height:100svh;padding:100px 0 60px}
  .hero-content{max-width:100%}
  .hero h1{font-size:clamp(1.8rem,6vw,2.8rem)}
  .hero p{font-size:1rem}
  .hero-float{display:none}
  .hero-btns{flex-direction:column;align-items:flex-start}
  .hero-btns .btn{width:100%;justify-content:center}
  .stats .container{grid-template-columns:repeat(2,1fr);gap:24px;padding:36px 24px}
  .stat-num{font-size:2rem}
  .section{padding:70px 0}
  .section-header{margin-bottom:40px}
  .services-grid{grid-template-columns:1fr}
  .project-showcase{grid-template-columns:1fr;gap:32px}
  .process-grid{grid-template-columns:repeat(2,1fr);gap:24px}
  .process-grid::before{display:none}
  .testimonials-grid{grid-template-columns:1fr}
  .about-grid{grid-template-columns:1fr;gap:32px}
  .about-img{height:260px}
  .team-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
  .why-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr;gap:32px}
  .deliverables{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .service-detail{padding:24px}
  .service-detail-header{flex-direction:column;gap:12px}
  .portfolio-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px;text-align:center}
  .cta-banner{padding:56px 0}
}

/* ===== Mobile (≤480px) ===== */
@media(max-width:480px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section-header{margin-bottom:32px}
  .nav-logo-img{height:42px;max-width:196px}
  .hero{padding:90px 0 48px}
  .hero h1{font-size:clamp(1.6rem,7vw,2.2rem)}
  .hero p{font-size:.95rem}
  .hero-badge{font-size:.78rem;padding:6px 14px}
  .stats .container{grid-template-columns:repeat(2,1fr);gap:16px;padding:28px 16px}
  .stat-num{font-size:1.8rem}
  .process-grid{grid-template-columns:1fr 1fr;gap:16px}
  .step-num{width:60px;height:60px;font-size:1.2rem}
  .float-card .num{font-size:1.5rem}
  .service-card{padding:24px}
  .testimonial-card{padding:24px}
  .team-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .filter-btns{gap:8px}
  .filter-btn{padding:8px 16px;font-size:.82rem}
  .btn{padding:12px 24px;font-size:.9rem}
  .btn-sm{padding:9px 18px;font-size:.82rem}
  .section-title{font-size:clamp(1.6rem,5vw,2.2rem)}
  .project-info h3{font-size:1.5rem}
  .cta-banner{padding:48px 0}
  .cta-banner p{font-size:1rem}
  .calendly-embed iframe{height:520px !important}
  .map-placeholder{height:180px}
}

/* ===== Small phones (≤360px) ===== */
@media(max-width:360px){
  .nav-logo-img{height:36px;max-width:168px}
  .hero h1{font-size:1.5rem}
  .team-grid{grid-template-columns:1fr}
  .process-grid{grid-template-columns:1fr}
  .stats .container{grid-template-columns:1fr 1fr;gap:12px}
}

/* ===== Portfolio Video ===== */
.video-thumb{position:relative;overflow:hidden;cursor:pointer;background:#000;border-radius:var(--radius-lg);width:100%}
.video-thumb .portfolio-video{width:100%;height:auto;display:block;object-fit:contain;background:#000}
.video-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.3);transition:background .3s ease;pointer-events:none}
.video-thumb.playing .video-overlay{background:rgba(0,0,0,0)}
.video-thumb.playing .play-btn{opacity:0;pointer-events:none}
.video-thumb.paused-by-user .video-overlay{background:rgba(0,0,0,.45);pointer-events:all}
.video-thumb.paused-by-user .play-btn{opacity:1;pointer-events:all}
.play-btn{width:56px;height:56px;border-radius:50%;background:rgba(255,255,255,.9);display:flex;align-items:center;justify-content:center;transition:all .3s ease;box-shadow:0 4px 20px rgba(0,0,0,.3)}
.play-btn i{color:var(--primary);font-size:1.2rem;margin-left:3px}
.video-thumb:hover .play-btn{transform:scale(1.08)}
.video-progress-bar{position:absolute;bottom:0;left:0;width:100%;height:4px;background:rgba(255,255,255,.2);opacity:0;transition:opacity .3s ease;pointer-events:all}
.video-progress-bar input[type=range]{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer;margin:0}
.video-progress-fill{height:100%;background:var(--primary);width:0%;pointer-events:none;transition:width .1s linear}
.video-thumb.paused-by-user .video-progress-bar{opacity:1}

/* ===== Chat Widget ===== */
#chat-widget{position:fixed;bottom:24px;right:24px;z-index:9998;display:flex;flex-direction:column;align-items:flex-end;gap:12px}
#chat-toggle{width:56px;height:56px;border-radius:50%;background:var(--primary);color:var(--white);border:none;cursor:pointer;box-shadow:var(--shadow-lg);display:flex;align-items:center;justify-content:center;font-size:1.4rem;transition:var(--transition)}
#chat-toggle:hover{background:var(--primary-dark);transform:scale(1.08)}
#chat-box{width:340px;max-height:480px;background:var(--white);border-radius:var(--radius-lg);box-shadow:var(--shadow-xl);display:none;flex-direction:column;overflow:hidden;border:1px solid var(--gray-200)}
#chat-box.open{display:flex}
#chat-header{background:linear-gradient(135deg,var(--primary-dark),var(--primary));padding:14px 16px;display:flex;align-items:center;justify-content:space-between}
#chat-header-info{display:flex;align-items:center;gap:10px}
#chat-avatar{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.15);overflow:hidden;display:flex;align-items:center;justify-content:center}
#chat-avatar img{width:100%;height:100%;object-fit:contain}
#chat-title{color:var(--white);font-weight:600;font-size:.95rem;font-family:'Exo 2',sans-serif}
#chat-status{display:flex;align-items:center;gap:5px;font-size:.75rem;color:rgba(255,255,255,.75)}
#chat-status-dot{width:7px;height:7px;border-radius:50%;background:#4ade80;display:inline-block}
#chat-close{background:none;border:none;color:rgba(255,255,255,.8);cursor:pointer;font-size:1rem;padding:4px;transition:var(--transition)}
#chat-close:hover{color:var(--white)}
#chat-messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px;max-height:320px}
#chat-messages::-webkit-scrollbar{width:4px}
#chat-messages::-webkit-scrollbar-thumb{background:var(--gray-200);border-radius:4px}
.chat-msg{display:flex;flex-direction:column}
.chat-msg.user{align-items:flex-end}
.chat-msg.bot{align-items:flex-start}
.chat-bubble{max-width:80%;padding:10px 14px;border-radius:16px;font-size:.92rem;line-height:1.6}
.chat-msg.user .chat-bubble{background:var(--primary);color:var(--white);border-bottom-right-radius:4px}
.chat-msg.bot .chat-bubble{background:var(--accent);color:var(--gray-700);border-bottom-left-radius:4px}
.chat-bubble strong{color:var(--primary);font-weight:700}
.chat-bubble .chat-point{display:block;margin:3px 0;padding-left:4px}
.chat-bubble .chat-detail{display:inline-block;font-size:.78rem;color:var(--gray-500);background:rgba(12,68,124,.06);padding:1px 7px;border-radius:20px;margin:2px 2px}
.chat-bubble .chat-link{color:var(--primary);text-decoration:underline;word-break:break-all;font-size:.88rem;pointer-events:all;cursor:pointer}
.chat-bubble .chat-link:hover{color:var(--primary-dark)}
.chat-typing .chat-bubble{display:flex;gap:4px;align-items:center;padding:12px 16px}
.chat-typing .dot{width:7px;height:7px;border-radius:50%;background:var(--gray-500);animation:typingDot 1.2s infinite}
.chat-typing .dot:nth-child(2){animation-delay:.2s}
.chat-typing .dot:nth-child(3){animation-delay:.4s}
@keyframes typingDot{0%,60%,100%{transform:translateY(0)}30%{transform:translateY(-6px)}}
#chat-input-area{display:flex;gap:8px;padding:12px;border-top:1px solid var(--gray-200);background:var(--white)}
#chat-input{flex:1;padding:10px 14px;border:1px solid var(--gray-200);border-radius:50px;font-family:'DM Sans',sans-serif;font-size:.88rem;outline:none;transition:var(--transition)}
#chat-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(12,68,124,.08)}
#chat-send{width:38px;height:38px;border-radius:50%;background:var(--primary);color:var(--white);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:.9rem;transition:var(--transition);flex-shrink:0}
#chat-send:hover{background:var(--primary-dark)}
@media(max-width:480px){
  #chat-widget{bottom:16px;right:16px}
  #chat-box{width:calc(100vw - 32px);max-height:420px}
}

/* ===== Page Sections (hide inactive) ===== */
.page-section{display:none}
.page-section.active{display:block}

/* Force scrolled nav on inner pages */
.navbar.nav-inner{background:rgba(255,255,255,.97);backdrop-filter:blur(12px);padding:12px 0;box-shadow:var(--shadow-sm)}
.navbar.nav-inner .nav-logo{color:var(--primary)}
.navbar.nav-inner .nav-links a{color:var(--gray-700)}
.navbar.nav-inner .nav-links a::after{background:var(--primary)}
.navbar.nav-inner .nav-cta{background:var(--primary);color:var(--white) !important}
.navbar.nav-inner .hamburger span{background:var(--primary)}