:root {
    --primary:#0F4C81; --secondary:#3182CE; --accent:#63B3ED;
    --dark:#0F172A; --gray:#64748B; --light:#F8FAFC;
    --white:#fff; --radius:12px; --shadow:0 4px 24px rgba(0,0,0,.08);
    --transition:all .25s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',sans-serif;color:var(--dark);line-height:1.6;background:var(--white)}
a{text-decoration:none;color:inherit}
img{max-width:100%;height:auto;display:block}

/* ── CONTAINER ── */
.d-container{max-width:1200px;margin:0 auto;padding:0 24px}

/* ── BUTTONS ── */
.d-btn-primary{display:inline-flex;align-items:center;gap:8px;background:var(--secondary);color:#fff;border:none;border-radius:50px;padding:12px 28px;font-size:.9375rem;font-weight:600;cursor:pointer;transition:var(--transition)}
.d-btn-primary:hover{background:var(--primary);transform:translateY(-2px)}
.d-btn-outline{display:inline-flex;align-items:center;gap:8px;background:transparent;color:var(--primary);border:2px solid var(--secondary);border-radius:50px;padding:11px 26px;font-size:.9375rem;font-weight:600;cursor:pointer;transition:var(--transition)}
.d-btn-outline:hover{background:var(--secondary);color:#fff}
.d-btn-white{display:inline-flex;align-items:center;gap:8px;background:#fff;color:var(--primary);border-radius:50px;padding:14px 32px;font-size:1rem;font-weight:700;cursor:pointer;transition:var(--transition)}
.d-btn-white:hover{background:var(--light);transform:translateY(-2px)}
.d-btn-outline-white{display:inline-flex;align-items:center;gap:8px;background:transparent;color:#fff;border:2px solid rgba(255,255,255,.5);border-radius:50px;padding:14px 32px;font-size:1rem;font-weight:600;cursor:pointer;transition:var(--transition)}
.d-btn-outline-white:hover{background:rgba(255,255,255,.1)}
.d-btn-lg{padding:16px 40px;font-size:1.0625rem}
.d-btn-sm{padding:8px 20px;font-size:.875rem}

/* ── HEADER ── */
.d-header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.95);backdrop-filter:blur(20px);border-bottom:1px solid rgba(0,0,0,.06);transition:var(--transition)}
.d-header .d-container{display:flex;align-items:center;gap:32px;height:72px}
.d-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.125rem;color:var(--primary)}
.d-logo img{height:36px;width:auto}
.d-logo-tag{background:var(--secondary);color:#fff;font-size:.6875rem;font-weight:700;padding:3px 10px;border-radius:50px;text-transform:uppercase;letter-spacing:.05em}
.d-logo-text{font-weight:800;color:var(--primary)}
.d-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.d-nav-link{padding:8px 16px;color:var(--gray);font-weight:500;font-size:.9375rem;border-radius:8px;transition:var(--transition)}
.d-nav-link:hover,.d-nav-link.active{color:var(--primary);background:rgba(49,130,206,.08)}
.d-nav-institutional{display:flex;align-items:center;gap:6px;padding:8px 16px;color:var(--gray);font-weight:500;font-size:.9375rem;border-radius:8px;border:1px solid var(--gray);margin-left:8px;transition:var(--transition)}
.d-nav-institutional:hover{color:var(--primary);border-color:var(--primary)}
.d-hamburger{display:none;flex-direction:column;gap:5px;padding:8px;background:none;border:none;cursor:pointer;margin-left:12px}
.d-hamburger span{display:block;width:24px;height:2px;background:var(--dark);border-radius:2px;transition:var(--transition)}
.d-mobile-menu{display:none;flex-direction:column;position:fixed;top:72px;left:0;right:0;background:#fff;padding:16px;border-bottom:1px solid rgba(0,0,0,.06);z-index:99;box-shadow:0 8px 24px rgba(0,0,0,.08)}
.d-mobile-menu.open{display:flex}

/* ── SECTIONS ── */
.d-section{padding:80px 0}
.d-section-header{text-align:center;margin-bottom:56px}
.d-label{display:inline-block;background:rgba(49,130,206,.1);color:var(--secondary);font-size:.8125rem;font-weight:600;padding:6px 16px;border-radius:50px;letter-spacing:.05em;text-transform:uppercase;margin-bottom:16px}
.d-section-title{font-size:clamp(1.75rem,3vw,2.5rem);font-weight:800;color:var(--dark);line-height:1.2;margin-bottom:12px}
.d-section-title span{color:var(--secondary)}
.d-section-sub{font-size:1.0625rem;color:var(--gray);max-width:560px;margin:0 auto}

/* ── HERO ── */
.d-hero{min-height:100vh;display:flex;align-items:center;background:linear-gradient(180deg,#EBF8FF 0%,#DCF0FC 100%);padding-top:72px}
.d-hero .d-container{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;padding-top:40px;padding-bottom:40px}
.d-hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(49,130,206,.12);color:var(--primary);font-size:.875rem;font-weight:600;padding:8px 20px;border-radius:50px;margin-bottom:24px;border:1px solid rgba(49,130,206,.2)}
.d-hero-title{font-size:clamp(2.5rem,5vw,3.75rem);font-weight:900;color:var(--dark);line-height:1.1;margin-bottom:20px}
.d-hero-title span{color:var(--secondary)}
.d-hero-subtitle{font-size:1.125rem;color:#4A5568;line-height:1.7;margin-bottom:32px;max-width:480px}
.d-hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:40px}
.d-hero-trust{display:flex;gap:24px;flex-wrap:wrap}
.d-hero-trust span{display:flex;align-items:center;gap:8px;font-size:.875rem;color:#4A5568;font-weight:500}
.d-hero-trust i{color:var(--secondary)}
.d-hero-visual{position:relative;display:flex;align-items:center;justify-content:center}
.d-hero-image-wrap{width:100%;height:480px;background:linear-gradient(135deg,rgba(49,130,206,.15),rgba(15,76,129,.1));border-radius:24px;display:flex;align-items:center;justify-content:center;border:1px solid rgba(49,130,206,.15);position:relative;overflow:hidden}
.d-hero-image-placeholder{text-align:center}
.d-floating-badge{position:absolute;background:#fff;border-radius:16px;padding:14px 18px;box-shadow:0 8px 32px rgba(0,0,0,.12);display:flex;align-items:center;gap:12px}
.d-badge-1{top:15%;left:-10%}
.d-badge-2{bottom:20%;right:-8%}
.d-badge-icon{font-size:1.5rem}
.d-badge-text{font-weight:700;font-size:.9375rem;color:var(--dark);line-height:1.2}
.d-badge-text small{font-size:.75rem;color:var(--gray);font-weight:400}

/* ── CATEGORIES ── */
.d-cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.d-cat-card{background:#fff;border-radius:var(--radius);border:1px solid #E2E8F0;padding:32px 24px;text-align:center;transition:var(--transition);cursor:pointer}
.d-cat-card:hover{border-color:var(--secondary);box-shadow:var(--shadow);transform:translateY(-4px)}
.d-cat-icon{width:64px;height:64px;background:rgba(49,130,206,.1);border-radius:16px;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:1.75rem;color:var(--secondary)}
.d-cat-name{font-size:1.0625rem;font-weight:700;margin-bottom:6px}
.d-cat-count{font-size:.875rem;color:var(--gray);margin-bottom:16px}
.d-cat-link{font-size:.875rem;font-weight:600;color:var(--secondary);display:inline-flex;align-items:center;gap:6px;transition:var(--transition)}
.d-cat-card:hover .d-cat-link{gap:10px}

/* ── PRODUCTS ── */
.d-product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.d-product-card{background:#fff;border-radius:var(--radius);border:1px solid #E2E8F0;overflow:hidden;transition:var(--transition)}
.d-product-card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.d-product-image{height:200px;background:#F8FAFC;overflow:hidden;position:relative}
.d-product-image img{width:100%;height:100%;object-fit:cover}
.d-product-image-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:3rem;color:rgba(49,130,206,.3)}
.d-product-badge{position:absolute;top:12px;left:12px;background:var(--secondary);color:#fff;font-size:.75rem;font-weight:600;padding:4px 10px;border-radius:50px}
.d-product-body{padding:20px}
.d-product-name{font-size:1rem;font-weight:700;margin-bottom:8px}
.d-product-desc{font-size:.875rem;color:var(--gray);line-height:1.5}
.d-product-footer{padding:16px 20px;border-top:1px solid #F1F5F9;display:flex;gap:10px}

/* ── WHY ── */
.d-why{background:linear-gradient(135deg,var(--primary),var(--secondary))}
.d-why .d-section-header .d-label{background:rgba(255,255,255,.15);color:#fff}
.d-why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.d-why-card{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.15);border-radius:var(--radius);padding:32px 24px;text-align:center;color:#fff;transition:var(--transition)}
.d-why-card:hover{background:rgba(255,255,255,.18)}
.d-why-icon{font-size:2rem;margin-bottom:16px;color:var(--accent)}
.d-why-title{font-size:1rem;font-weight:700;margin-bottom:8px}
.d-why-desc{font-size:.875rem;opacity:.8;line-height:1.5}

/* ── TESTIMONIALS ── */
.d-testimonials{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.d-testimonial-card{background:#fff;border-radius:var(--radius);border:1px solid #E2E8F0;padding:28px;transition:var(--transition)}
.d-testimonial-card:hover{box-shadow:var(--shadow)}
.d-stars{color:#F6AD55;font-size:1rem;margin-bottom:12px;display:flex;gap:4px}
.d-testimonial-text{font-size:.9375rem;line-height:1.7;color:#4A5568;margin-bottom:20px;font-style:italic}
.d-testimonial-author{display:flex;align-items:center;gap:12px}
.d-testimonial-avatar{width:44px;height:44px;background:linear-gradient(135deg,var(--secondary),var(--primary));border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1.125rem;flex-shrink:0}

/* ── CTA ── */
.d-cta{background:linear-gradient(135deg,#1A365D,var(--primary));padding:80px 0;text-align:center}
.d-cta-title{font-size:clamp(2rem,4vw,3rem);font-weight:800;color:#fff;margin-bottom:12px}
.d-cta-sub{font-size:1.125rem;color:rgba(255,255,255,.7)}

/* ── FOOTER ── */
.d-footer{background:var(--dark);padding:60px 0 0}
.d-footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:40px;padding-bottom:48px}
.d-footer-logo{font-size:1.25rem;font-weight:800;color:#fff}
.d-footer-logo span{color:var(--accent)}
.d-footer-heading{font-size:.875rem;font-weight:700;color:#fff;text-transform:uppercase;letter-spacing:.08em;margin-bottom:16px}
.d-footer-link{display:block;color:rgba(255,255,255,.6);font-size:.9rem;padding:4px 0;transition:var(--transition)}
.d-footer-link:hover{color:#fff}
.d-footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:24px 0;display:flex;justify-content:space-between;align-items:center;font-size:.875rem;color:rgba(255,255,255,.4)}
.d-footer-bottom a{color:var(--accent);transition:var(--transition)}
.d-footer-bottom a:hover{color:#fff}

/* ── RESPONSIVE ── */
@media(max-width:1024px){
    .d-why-grid{grid-template-columns:1fr 1fr}
    .d-footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
    .d-nav,.d-nav-institutional{display:none}
    .d-hamburger{display:flex}
    .d-hero .d-container{grid-template-columns:1fr}
    .d-hero-visual{display:none}
    .d-cat-grid{grid-template-columns:1fr 1fr}
    .d-product-grid{grid-template-columns:1fr 1fr}
    .d-testimonials{grid-template-columns:1fr}
    .d-footer-grid{grid-template-columns:1fr}
    .d-footer-bottom{flex-direction:column;gap:8px;text-align:center}
}
@media(max-width:480px){
    .d-cat-grid,.d-product-grid{grid-template-columns:1fr}
    .d-why-grid{grid-template-columns:1fr}
    .d-hero-actions{flex-direction:column}
}