/* ===========================
   EXPRESS OFFICE SOLUTIONS
   Premium CSS — 2026
=========================== */

:root {
    --blue: #2563EB;
    --blue-light: #3B82F6;
    --blue-pale: #EFF6FF;
    --dark: #0A0F1E;
    --dark2: #111827;
    --gray: #6B7280;
    --light: #F8FAFF;
    --white: #FFFFFF;
    --border: rgba(37,99,235,0.12);
    --shadow: 0 20px 60px rgba(37,99,235,0.10);
    --shadow-sm: 0 4px 20px rgba(0,0,0,0.06);
    --radius: 16px;
    --radius-sm: 10px;
    --transition: 0.35s cubic-bezier(0.4,0,0.2,1);
}

/* RESET */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'DM Sans', sans-serif; background: var(--white); color: var(--dark); line-height: 1.6; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { text-decoration: none; }

/* CONTAINER */
.container { width: 90%; max-width: 1180px; margin: auto; }

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 13px 28px; border-radius: 50px; font-family: 'Syne', sans-serif;
    font-weight: 600; font-size: 15px; cursor: pointer; border: none;
    transition: var(--transition); white-space: nowrap;
}
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 8px 24px rgba(37,99,235,0.3); }
.btn-primary:hover { background: #1D4ED8; transform: translateY(-2px); box-shadow: 0 12px 32px rgba(37,99,235,0.4); }
.btn-ghost { background: rgba(255,255,255,0.1); color: #fff; border: 1.5px solid rgba(255,255,255,0.3); backdrop-filter: blur(8px); }
.btn-ghost:hover { background: rgba(255,255,255,0.2); }
.btn-sm { padding: 9px 20px; font-size: 13px; }
.btn-white { background: #fff; color: var(--blue); font-weight: 700; }
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(0,0,0,0.15); }
.btn-outline-white { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.5); }
.btn-outline-white:hover { background: rgba(255,255,255,0.1); }
.full-width { width: 100%; justify-content: center; }

/* ===== HEADER ===== */
header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 999;
    padding: 18px 0; transition: var(--transition);
}
header.scrolled {
    background: rgba(10,15,30,0.92);
    backdrop-filter: blur(20px);
    padding: 12px 0;
    box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}
.nav-wrap { display: flex; align-items: center; gap: 40px; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo-text { font-family: 'Syne', sans-serif; font-weight: 800; font-size: 20px; color: #fff; letter-spacing: 2px; }
nav { display: flex; gap: 4px; margin-left: auto; }
nav a { color: rgba(255,255,255,0.75); font-size: 14px; padding: 8px 14px; border-radius: 8px; transition: var(--transition); font-weight: 500; }
nav a:hover { color: #fff; background: rgba(255,255,255,0.08); }
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 22px; height: 2px; background: #fff; border-radius: 2px; transition: var(--transition); }
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-menu { display: none; background: rgba(10,15,30,0.97); padding: 20px; flex-direction: column; gap: 4px; }
.mobile-menu.open { display: flex; }
.mobile-menu a { color: rgba(255,255,255,0.8); padding: 12px 16px; border-radius: 8px; font-size: 15px; }
.mobile-menu a:hover { background: rgba(255,255,255,0.06); color: #fff; }

/* ===== HERO ===== */
.hero {
    min-height: 100vh; position: relative; display: flex; align-items: center;
    background: var(--dark); overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-orb {
    position: absolute; border-radius: 50%;
    filter: blur(80px); opacity: 0.5;
}
.orb1 { width: 600px; height: 600px; background: radial-gradient(circle, #1D4ED8, transparent); top: -100px; left: -100px; }
.orb2 { width: 400px; height: 400px; background: radial-gradient(circle, #0EA5E9, transparent); bottom: 0; right: 100px; }
.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; z-index: 2; padding: 160px 0 100px; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(37,99,235,0.15); border: 1px solid rgba(37,99,235,0.3);
    color: #93C5FD; padding: 7px 16px; border-radius: 50px; font-size: 13px;
    font-weight: 500; margin-bottom: 28px; backdrop-filter: blur(8px);
    animation: fadeDown 0.6s ease both;
}
.badge-dot { width: 7px; height: 7px; background: #22C55E; border-radius: 50%; box-shadow: 0 0 8px #22C55E; }
.hero-title {
    font-family: 'Syne', sans-serif; font-size: clamp(42px, 6vw, 76px);
    font-weight: 800; color: #fff; line-height: 1.08; letter-spacing: -1px;
    margin-bottom: 20px; animation: fadeUp 0.7s 0.1s ease both;
}
.gradient-text { background: linear-gradient(135deg, #60A5FA, #2563EB, #38BDF8); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-sub { color: rgba(255,255,255,0.6); font-size: 18px; margin-bottom: 36px; animation: fadeUp 0.7s 0.2s ease both; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 60px; animation: fadeUp 0.7s 0.3s ease both; }
.hero-stats { display: flex; align-items: center; gap: 32px; animation: fadeUp 0.7s 0.4s ease both; }
.stat { display: flex; flex-direction: column; }
.stat-num { font-family: 'Syne', sans-serif; font-size: 28px; font-weight: 800; color: #fff; }
.stat-label { font-size: 12px; color: rgba(255,255,255,0.5); text-transform: uppercase; letter-spacing: 1px; }
.stat-div { width: 1px; height: 40px; background: rgba(255,255,255,0.15); }
.hero-scroll { position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 10px; color: rgba(255,255,255,0.4); font-size: 11px; letter-spacing: 2px; text-transform: uppercase; }
.scroll-line { width: 1px; height: 50px; background: linear-gradient(to bottom, rgba(255,255,255,0.3), transparent); animation: scrollPulse 2s infinite; }

/* ===== SECTION HEADER ===== */
.section-header { text-align: center; margin-bottom: 56px; }
.section-tag { display: inline-block; font-size: 12px; font-weight: 600; letter-spacing: 2.5px; text-transform: uppercase; color: var(--blue); background: var(--blue-pale); padding: 5px 14px; border-radius: 50px; margin-bottom: 14px; }
.section-header h2 { font-family: 'Syne', sans-serif; font-size: clamp(30px, 4vw, 44px); font-weight: 800; color: var(--dark); margin-bottom: 14px; }
.section-header p { color: var(--gray); font-size: 17px; max-width: 520px; margin: auto; }

/* ===== SERVICES ===== */
.services { padding: 100px 0; background: var(--light); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card {
    background: #fff; border-radius: var(--radius); padding: 36px 30px;
    border: 1px solid var(--border); position: relative; overflow: hidden;
    transition: var(--transition); cursor: default;
    opacity: 0; transform: translateY(30px);
}
.service-card.visible { opacity: 1; transform: translateY(0); transition-delay: calc(var(--d, 0) * 1ms); }
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); border-color: var(--blue-light); }
.service-card.featured { background: var(--dark); border-color: transparent; }
.service-card.featured h3, .service-card.featured p { color: #fff; }
.service-card.featured p { color: rgba(255,255,255,0.65); }
.service-card.featured .service-icon { background: rgba(255,255,255,0.1); color: #60A5FA; }
.service-card.featured .service-arrow { color: #60A5FA; }
.service-icon { width: 54px; height: 54px; background: var(--blue-pale); border-radius: 14px; display: flex; align-items: center; justify-content: center; color: var(--blue); margin-bottom: 20px; }
.service-card h3 { font-family: 'Syne', sans-serif; font-size: 20px; font-weight: 700; margin-bottom: 10px; }
.service-card p { color: var(--gray); font-size: 15px; line-height: 1.65; }
.service-arrow { font-size: 20px; color: var(--blue); margin-top: 20px; display: block; transition: var(--transition); }
.service-card:hover .service-arrow { transform: translateX(5px); }
.featured-badge { display: inline-block; background: var(--blue); color: #fff; font-size: 11px; font-weight: 600; padding: 3px 10px; border-radius: 50px; margin-bottom: 12px; letter-spacing: 0.5px; }

/* ===== WHY US ===== */
.why-us { padding: 100px 0; background: #fff; }
.why-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.why-text .section-tag { display: inline-block; }
.why-text h2 { font-family: 'Syne', sans-serif; font-size: clamp(28px, 3.5vw, 40px); font-weight: 800; line-height: 1.15; margin: 14px 0 18px; }
.why-text p { color: var(--gray); font-size: 16px; margin-bottom: 28px; }
.why-list { list-style: none; margin-bottom: 36px; display: flex; flex-direction: column; gap: 12px; }
.why-list li { display: flex; align-items: center; gap: 12px; font-size: 15px; font-weight: 500; }
.check { width: 22px; height: 22px; background: var(--blue-pale); color: var(--blue); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; flex-shrink: 0; }
.why-visual { position: relative; height: 360px; }
.why-bg-shape { position: absolute; width: 300px; height: 300px; background: linear-gradient(135deg, #EFF6FF, #DBEAFE); border-radius: 40% 60% 60% 40% / 40% 40% 60% 60%; top: 50%; left: 50%; transform: translate(-50%, -50%); z-index: 0; }
.why-card {
    position: absolute; background: #fff; border-radius: var(--radius-sm);
    padding: 18px 22px; display: flex; align-items: center; gap: 14px;
    box-shadow: 0 10px 40px rgba(37,99,235,0.12); border: 1px solid var(--border);
    z-index: 1; opacity: 0; transform: translateY(20px);
    transition: var(--transition);
}
.why-card.visible { opacity: 1; transform: translateY(0); }
.why-card strong { font-family: 'Syne', sans-serif; font-size: 14px; font-weight: 700; display: block; }
.why-card p { font-size: 12px; color: var(--gray); }
.wc1 { top: 20px; left: 0; transition-delay: 0.1s; }
.wc2 { top: 50%; right: 0; transform: translateY(-50%); }
.wc2.visible { transform: translateY(-50%); }
.wc3 { bottom: 20px; left: 30px; transition-delay: 0.2s; }

/* ===== PRODUCTS ===== */
.products { padding: 100px 0; background: var(--light); }
.product-tabs { display: flex; gap: 8px; margin-bottom: 40px; background: #fff; border-radius: 50px; padding: 6px; width: fit-content; border: 1px solid var(--border); }
.tab-btn { padding: 10px 28px; border-radius: 50px; border: none; cursor: pointer; font-family: 'Syne', sans-serif; font-weight: 600; font-size: 14px; background: transparent; color: var(--gray); transition: var(--transition); }
.tab-btn.active { background: var(--blue); color: #fff; box-shadow: 0 4px 16px rgba(37,99,235,0.3); }
.product-grid { display: none; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.product-grid.active { display: grid; }
.product-card {
    background: #fff; border-radius: var(--radius); overflow: hidden;
    border: 1px solid var(--border); transition: var(--transition);
    opacity: 0; transform: translateY(24px);
}
.product-card.visible { opacity: 1; transform: translateY(0); }
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--blue-light); }
.product-img-wrap { position: relative; overflow: hidden; background: #F8FAFF; padding: 24px; height: 200px; display: flex; align-items: center; justify-content: center; }
.product-img-wrap img { height: 150px; width: auto; object-fit: contain; transition: var(--transition); }
.product-card:hover .product-img-wrap img { transform: scale(1.08); }
.product-overlay { position: absolute; inset: 0; background: rgba(37,99,235,0.85); display: flex; align-items: center; justify-content: center; opacity: 0; transition: var(--transition); }
.product-card:hover .product-overlay { opacity: 1; }
.product-info { padding: 18px 20px; }
.product-info h4 { font-family: 'Syne', sans-serif; font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.product-info p { font-size: 12px; color: var(--gray); }

/* ===== CTA ===== */
.cta-section { padding: 90px 0; background: var(--dark); position: relative; overflow: hidden; }
.cta-bg { position: absolute; inset: 0; }
.cta-orb { position: absolute; width: 500px; height: 500px; background: radial-gradient(circle, rgba(37,99,235,0.4), transparent); top: -100px; right: -100px; border-radius: 50%; }
.cta-inner { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.cta-text h2 { font-family: 'Syne', sans-serif; font-size: clamp(26px, 3.5vw, 40px); font-weight: 800; color: #fff; margin-bottom: 10px; }
.cta-text p { color: rgba(255,255,255,0.6); font-size: 16px; }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ===== CONTACT ===== */
.contact { padding: 100px 0; background: #fff; }
.contact-grid { display: grid; grid-template-columns: 1fr 1.6fr; gap: 60px; }
.contact-info { display: flex; flex-direction: column; gap: 24px; }
.contact-item {
    display: flex; align-items: flex-start; gap: 16px;
    opacity: 0; transform: translateX(-20px); transition: var(--transition);
}
.contact-item.visible { opacity: 1; transform: translateX(0); }
.contact-icon { width: 46px; height: 46px; background: var(--blue-pale); border-radius: 12px; display: flex; align-items: center; justify-content: center; color: var(--blue); flex-shrink: 0; }
.contact-item span { font-size: 12px; color: var(--gray); text-transform: uppercase; letter-spacing: 1px; font-weight: 600; display: block; margin-bottom: 3px; }
.contact-item a, .contact-item p { font-size: 15px; font-weight: 500; color: var(--dark); }
.contact-item a:hover { color: var(--blue); }
.whatsapp-btn { margin-top: 8px; background: #22C55E; box-shadow: 0 8px 24px rgba(34,197,94,0.3); }
.whatsapp-btn:hover { background: #16A34A; }

/* FORM */
.contact-form { display: flex; flex-direction: column; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 13px; font-weight: 600; color: var(--dark); }
.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px; border: 1.5px solid #E5E7EB; border-radius: var(--radius-sm);
    font-family: 'DM Sans', sans-serif; font-size: 14px; color: var(--dark);
    background: var(--light); transition: var(--transition); outline: none; resize: vertical;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--blue); background: #fff; box-shadow: 0 0 0 3px rgba(37,99,235,0.08); }
.form-note { font-size: 13px; text-align: center; min-height: 20px; margin-top: -8px; }

/* ===== FOOTER ===== */
footer { background: var(--dark2); padding: 50px 0; }
.footer-inner { display: flex; flex-direction: column; align-items: center; gap: 18px; text-align: center; }
.footer-brand { display: flex; align-items: center; gap: 10px; }
.footer-tagline { color: rgba(255,255,255,0.4); font-size: 14px; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { color: rgba(255,255,255,0.5); font-size: 14px; transition: var(--transition); }
.footer-links a:hover { color: #fff; }
.footer-copy { color: rgba(255,255,255,0.25); font-size: 13px; }

/* ===== ANIMATIONS ===== */
@keyframes fadeUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeDown { from { opacity: 0; transform: translateY(-15px); } to { opacity: 1; transform: translateY(0); } }
@keyframes scrollPulse { 0%, 100% { opacity: 0.3; } 50% { opacity: 1; } }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .product-grid.active { grid-template-columns: repeat(2, 1fr); }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .why-inner { grid-template-columns: 1fr; }
    .why-visual { display: none; }
    .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    nav, header .btn-sm { display: none; }
    .hamburger { display: flex; margin-left: auto; }
    .hero-stats { flex-direction: column; align-items: flex-start; gap: 16px; }
    .stat-div { display: none; }
    .cta-inner { flex-direction: column; text-align: center; }
    .form-row { grid-template-columns: 1fr; }
    .services-grid { grid-template-columns: 1fr; }
    .product-grid.active { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
    .product-grid.active { grid-template-columns: 1fr; }
    .hero-actions { flex-direction: column; }
}