* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
    line-height: 1.7;
    background: #fff;
}

a {
    text-decoration: none;
    color: inherit;
}

header {
    background: #fff;
    color: #333;
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 12px rgba(0,0,0,0.1);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
}

.logo {
    font-size: 1.7rem;
    font-weight: 800;
    letter-spacing: 1px;
    color: #0077cc;
}

.logo span {
    color: #00c4ff;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 28px;
}

nav ul li a {
    color: #555;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s;
    padding: 4px 0;
}

nav ul li a:hover {
    color: #0077cc;
}

.hero {
    background: linear-gradient(135deg, #003d7a 0%, #0077cc 50%, #00c4ff 100%);
    color: white;
    padding: 100px 24px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 60%);
}

.hero h1 {
    font-size: 3.2rem;
    font-weight: 900;
    margin-bottom: 20px;
    line-height: 1.2;
    position: relative;
}

.hero p {
    font-size: 1.2rem;
    max-width: 680px;
    margin: 0 auto 36px;
    opacity: 0.92;
    position: relative;
}

.btn {
    display: inline-block;
    background: #fff;
    color: #0077cc;
    padding: 14px 40px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    transition: all 0.3s;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    position: relative;
}

.btn:hover {
    background: #e8f4ff;
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0,0,0,0.25);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

section {
    padding: 70px 0;
}

section:nth-child(even) {
    background: #f0f8ff;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: #003d7a;
    margin-bottom: 16px;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: #0077cc;
    margin-top: 10px;
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.05rem;
    color: #666;
    margin-bottom: 40px;
    max-width: 700px;
}

.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.two-col.reverse {
    direction: rtl;
}

.two-col.reverse > * {
    direction: ltr;
}

.two-col img {
    width: 100%;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.12);
}

.content-text p {
    margin-bottom: 16px;
    color: #555;
}

.content-text h3 {
    font-size: 1.5rem;
    color: #003d7a;
    margin-bottom: 16px;
    font-weight: 700;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: 40px;
}

.feature-card {
    background: white;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0,119,204,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    border-bottom: 4px solid #0077cc;
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 35px rgba(0,119,204,0.2);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 1.15rem;
    color: #003d7a;
    margin-bottom: 12px;
    font-weight: 700;
}

.feature-card p {
    color: #666;
    font-size: 0.95rem;
}

.img-showcase {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.img-showcase img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    height: 220px;
    object-fit: cover;
    transition: transform 0.3s;
}

.img-showcase img:hover {
    transform: scale(1.03);
}

.highlight-band {
    background: linear-gradient(135deg, #003d7a 0%, #0077cc 100%);
    color: white;
    padding: 70px 0;
}

.highlight-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.highlight-item h3 {
    font-size: 2.8rem;
    font-weight: 900;
    color: #00c4ff;
}

.highlight-item p {
    font-size: 0.95rem;
    opacity: 0.9;
    margin-top: 8px;
}

.use-cases {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 30px;
}

.use-case-item {
    background: white;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.07);
    border-left: 4px solid #0077cc;
}

.use-case-item h4 {
    color: #003d7a;
    font-size: 1.1rem;
    margin-bottom: 10px;
    font-weight: 700;
}

.use-case-item p {
    color: #666;
    font-size: 0.95rem;
}

.contact-info {
    background: #f0f8ff;
    padding: 30px;
    border-radius: 12px;
    margin-top: 30px;
    border: 1px solid #cce5ff;
}

.contact-info p {
    margin-bottom: 10px;
    color: #555;
}

.contact-info strong {
    color: #003d7a;
}

footer {
    background: #001a33;
    color: rgba(255,255,255,0.7);
    padding: 50px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand .logo {
    font-size: 1.4rem;
    margin-bottom: 16px;
    display: block;
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-links h4 {
    color: white;
    font-size: 1rem;
    margin-bottom: 16px;
    font-weight: 600;
}

.footer-links ul {
    list-style: none;
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links ul li a {
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
    transition: color 0.2s;
}

.footer-links ul li a:hover {
    color: #00c4ff;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 24px;
    text-align: center;
    font-size: 0.85rem;
}

.page-hero {
    background: linear-gradient(135deg, #003d7a 0%, #0077cc 100%);
    color: white;
    padding: 60px 24px;
    text-align: center;
}

.page-hero h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.page-hero p {
    font-size: 1.1rem;
    opacity: 0.85;
}

.page-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 60px 24px;
}

.page-content h2 {
    font-size: 1.6rem;
    color: #003d7a;
    margin: 36px 0 16px;
    font-weight: 700;
}

.page-content h3 {
    font-size: 1.2rem;
    color: #003d7a;
    margin: 24px 0 12px;
    font-weight: 600;
}

.page-content p {
    color: #555;
    margin-bottom: 16px;
}

.page-content ul {
    margin: 16px 0 16px 24px;
    color: #555;
}

.page-content ul li {
    margin-bottom: 10px;
}

@media (max-width: 768px) {
    .two-col, .features-grid, .highlight-grid, .use-cases, .img-showcase {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .hero h1 {
        font-size: 2rem;
    }
}