:root {
    --primary: #2563eb;
    --secondary: #0f172a;
    --light: #f8fafc;
    --text: #334155;
    --white: #ffffff;
    --border: #e2e8f0;
    --shadow: 0 20px 40px rgba(15, 23, 42, 0.12);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: Arial, sans-serif; color: var(--text); background: var(--white); line-height: 1.6; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
.container { width: min(1120px, 92%); margin: auto; }

.header { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; background: rgba(255,255,255,.9); backdrop-filter: blur(12px); border-bottom: 1px solid transparent; transition: .3s; }
.header.scrolled { border-color: var(--border); box-shadow: 0 8px 24px rgba(15,23,42,.08); }
.navbar { height: 72px; display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 24px; font-weight: 800; color: var(--secondary); }
.logo span { color: var(--primary); }
.nav-links { display: flex; gap: 26px; }
.nav-links a { font-weight: 600; font-size: 15px; }
.nav-links a:hover { color: var(--primary); }
.menu-btn { display: none; border: none; background: var(--primary); color: white; padding: 8px 12px; border-radius: 8px; font-size: 22px; cursor: pointer; }

.hero { min-height: 100vh; padding-top: 120px; display: flex; align-items: center; background: linear-gradient(135deg, #eff6ff, #ffffff 55%, #eef2ff); }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 50px; align-items: center; }
.tagline, .section-title p, .section-small { color: var(--primary); font-weight: 700; margin-bottom: 10px; }
h1 { font-size: clamp(36px, 6vw, 64px); line-height: 1.08; color: var(--secondary); margin-bottom: 20px; }
h2 { font-size: clamp(28px, 4vw, 42px); color: var(--secondary); line-height: 1.2; margin-bottom: 15px; }
h3 { color: var(--secondary); margin-bottom: 10px; }
.hero-desc { font-size: 18px; max-width: 600px; margin-bottom: 28px; }
.hero-actions { display: flex; gap: 15px; flex-wrap: wrap; }
.btn { display: inline-block; padding: 13px 22px; border-radius: 10px; font-weight: 700; border: 1px solid var(--primary); cursor: pointer; }
.primary { background: var(--primary); color: white; }
.secondary { background: white; color: var(--primary); }
.btn:hover { transform: translateY(-2px); transition: .2s; box-shadow: 0 10px 20px rgba(37,99,235,.2); }
.stats { display: flex; gap: 28px; margin-top: 35px; flex-wrap: wrap; }
.stats strong { display: block; color: var(--secondary); font-size: 28px; }
.stats span { font-size: 14px; }

.hero-card { display: flex; justify-content: center; }
.dashboard-card { width: 100%; max-width: 430px; background: var(--white); border-radius: 24px; padding: 24px; box-shadow: var(--shadow); border: 1px solid var(--border); }
.card-top { display: flex; gap: 8px; margin-bottom: 24px; }
.card-top span { width: 14px; height: 14px; border-radius: 50%; background: var(--border); }
.chart-row { height: 180px; display: flex; align-items: end; gap: 18px; padding: 20px; background: var(--light); border-radius: 18px; }
.bar { flex: 1; border-radius: 10px 10px 0 0; background: linear-gradient(180deg, #60a5fa, #2563eb); animation: grow 1.2s ease; }
.h1 { height: 45%; } .h2 { height: 75%; } .h3 { height: 55%; } .h4 { height: 90%; }
@keyframes grow { from { height: 10%; } }
.mini-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 18px 0; }
.mini-cards div { background: var(--light); padding: 14px; border-radius: 14px; }
.mini-cards b { display: block; color: var(--secondary); }
.mini-cards small { color: var(--primary); font-weight: 700; }

.section { padding: 90px 0; }
.section-title { text-align: center; max-width: 650px; margin: 0 auto 45px; }
.service-grid, .portfolio-grid, .pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card, .portfolio-card, .price-card, .process-box, .contact-form { background: var(--white); border: 1px solid var(--border); border-radius: 18px; padding: 28px; box-shadow: 0 10px 28px rgba(15,23,42,.06); }
.service-card span { font-size: 34px; display: inline-block; margin-bottom: 14px; }
.service-card:hover, .portfolio-card:hover, .price-card:hover { transform: translateY(-6px); transition: .25s; box-shadow: var(--shadow); }
.about, .pricing { background: var(--light); }
.about-grid, .contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.check-list { margin-top: 20px; }
.check-list li { margin-bottom: 12px; padding-left: 28px; position: relative; }
.check-list li:before { content: "✓"; position: absolute; left: 0; color: var(--primary); font-weight: 900; }
.process-box { display: grid; gap: 18px; }
.process-box div { display: flex; gap: 16px; align-items: center; padding: 18px; background: var(--light); border-radius: 14px; }
.process-box strong { color: var(--primary); font-size: 24px; }
.process-box span { color: var(--secondary); font-weight: 700; }
.price-card { text-align: center; }
.price-card h4 { color: var(--primary); font-size: 30px; margin: 14px 0; }
.price-card p { margin-bottom: 20px; }
.price-card.active { border: 2px solid var(--primary); transform: scale(1.03); }
.contact-form { display: grid; gap: 16px; }
input, select, textarea { width: 100%; padding: 14px; border: 1px solid var(--border); border-radius: 10px; font-size: 15px; outline: none; }
input:focus, select:focus, textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(37,99,235,.12); }
.form-status { color: var(--primary); font-weight: 700; }
footer { background: var(--secondary); color: white; padding: 25px 0; }
.footer-content { display: flex; justify-content: space-between; align-items: center; gap: 15px; }
#topBtn { background: white; color: var(--secondary); border: none; padding: 10px 14px; border-radius: 8px; cursor: pointer; font-weight: 700; }
.reveal { opacity: 0; transform: translateY(35px); transition: .7s ease; }
.reveal.active { opacity: 1; transform: translateY(0); }

@media (max-width: 900px) {
    .menu-btn { display: block; }
    .nav-links { position: absolute; top: 72px; left: 0; width: 100%; background: white; flex-direction: column; padding: 20px; border-bottom: 1px solid var(--border); display: none; }
    .nav-links.show { display: flex; }
    .hero-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; }
    .service-grid, .portfolio-grid, .pricing-grid { grid-template-columns: repeat(2, 1fr); }
    .hero { padding-top: 105px; }
}

@media (max-width: 600px) {
    .section { padding: 65px 0; }
    .service-grid, .portfolio-grid, .pricing-grid { grid-template-columns: 1fr; }
    .hero-actions, .footer-content { flex-direction: column; align-items: stretch; }
    .btn, #topBtn { text-align: center; width: 100%; }
    .stats { gap: 18px; }
    .price-card.active { transform: none; }
}

.logo { display: flex; align-items: center; gap: 10px; }
.logo img { width: 42px; height: 42px; object-fit: contain; border-radius: 8px; }
.hero-image-card { background: rgba(255,255,255,.8); padding: 12px; border-radius: 26px; border: 1px solid var(--border); box-shadow: var(--shadow); overflow: hidden; }
.hero-image-card img { display: block; width: 100%; border-radius: 18px; }
.applications { background: linear-gradient(180deg, #ffffff, #eff6ff); }
.section-title span { display: block; max-width: 760px; margin: 0 auto; color: var(--text); }
.app-preview { max-width: 980px; margin: 0 auto 35px; border-radius: 24px; overflow: hidden; border: 1px solid var(--border); box-shadow: var(--shadow); background: white; padding: 10px; }
.app-preview img { width: 100%; display: block; border-radius: 18px; }
.application-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.application-card { background: rgba(255,255,255,.92); border: 1px solid var(--border); border-radius: 20px; padding: 24px; box-shadow: 0 12px 32px rgba(15,23,42,.08); transition: .25s; }
.application-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.app-icon { width: 62px; height: 62px; border-radius: 18px; display: flex; align-items: center; justify-content: center; font-size: 30px; margin-bottom: 16px; }
.app-icon.blue { background: #dbeafe; }
.app-icon.green { background: #dcfce7; }
.app-icon.cyan { background: #cffafe; }
.app-icon.purple { background: #ede9fe; }
.application-card p { margin-bottom: 16px; }
.application-card li { position: relative; padding-left: 24px; margin-bottom: 9px; font-size: 14px; }
.application-card li:before { content: "✓"; position: absolute; left: 0; top: 0; color: #059669; font-weight: 900; }

@media (max-width: 1100px) {
    .application-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
    .logo { font-size: 18px; }
    .logo img { width: 34px; height: 34px; }
    .application-grid { grid-template-columns: 1fr; }
    .app-preview { padding: 6px; border-radius: 18px; }
}