/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-blue: #1E40AF;
    --secondary-blue: #2563EB;
    --light-blue: #60A5FA;
    --orange: #F97316;
    --dark-blue: #1E3A8A;
    --white: #FFFFFF;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-600: #4B5563;
    --gray-800: #1F2937;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background: linear-gradient(135deg, var(--dark-blue) 0%, var(--primary-blue) 100%);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo .logo-img {
    height: 50px;
    width: auto;
}

.logo-placeholder {
    display: none;
    flex-direction: column;
    align-items: center;
    line-height: 1;
    background: rgba(255, 255, 255, 0.15);
    padding: 8px 16px;
    border-radius: 8px;
    backdrop-filter: blur(10px);
}

.logo-text {
    font-size: 24px;
    font-weight: 800;
    color: var(--white);
    letter-spacing: 2px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.logo-sub {
    font-size: 12px;
    font-weight: 700;
    color: var(--orange);
    letter-spacing: 3px;
    margin-top: 2px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown-btn {
    background: var(--white);
    color: var(--primary-blue);
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.dropdown-btn:hover {
    background: var(--gray-100);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.dropdown-arrow {
    transition: transform 0.3s ease;
}

.dropdown-btn.active .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-content {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    background: var(--white);
    min-width: 280px;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    overflow: hidden;
    animation: slideDown 0.3s ease;
}

.dropdown-content.show {
    display: block;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    color: var(--gray-800);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.2s ease;
    border-bottom: 1px solid var(--gray-100);
}

.dropdown-item:last-child {
    border-bottom: none;
}

.dropdown-item:hover {
    background: var(--gray-50);
    color: var(--primary-blue);
}

.dropdown-icon {
    color: var(--primary-blue);
    flex-shrink: 0;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    padding: 160px 20px 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-logo {
    margin-bottom: 30px;
}

.hero-logo-img {
    max-width: 200px;
    height: auto;
}

.hero-logo-placeholder {
    display: none;
    flex-direction: column;
    align-items: center;
    margin-bottom: 30px;
}

.hero-logo-text {
    font-size: 72px;
    font-weight: 900;
    color: var(--dark-blue);
    letter-spacing: 4px;
    line-height: 1;
}

.hero-logo-sub {
    font-size: 24px;
    font-weight: 700;
    color: var(--orange);
    letter-spacing: 8px;
    margin-top: 8px;
}

.hero-logo-slogan {
    font-size: 18px;
    font-weight: 600;
    color: var(--secondary-blue);
    margin-top: 12px;
    letter-spacing: 2px;
}

.hero-title {
    font-size: 48px;
    font-weight: 800;
    color: var(--dark-blue);
    margin-bottom: 10px;
    letter-spacing: -1px;
}

.hero-slogan {
    font-size: 32px;
    font-weight: 700;
    color: var(--orange);
    margin-bottom: 20px;
}

.hero-description {
    font-size: 18px;
    color: var(--gray-600);
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 16px 32px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

.btn-secondary:hover {
    background: var(--gray-50);
    transform: translateY(-3px);
}

/* Features Section */
.features {
    padding: 100px 20px;
    background: var(--white);
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--dark-blue);
    text-align: center;
    margin-bottom: 60px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: var(--white);
    border-radius: 16px;
    padding: 40px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid var(--gray-100);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.feature-icon {
    margin-bottom: 24px;
    display: flex;
    justify-content: center;
}

.feature-card h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark-blue);
    margin-bottom: 16px;
}

.feature-card p {
    font-size: 16px;
    color: var(--gray-600);
    line-height: 1.7;
}

/* Contact Section */
.contact {
    padding: 100px 20px;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px;
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateX(8px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.contact-icon {
    color: var(--primary-blue);
    flex-shrink: 0;
}

.contact-item span {
    font-size: 16px;
    color: var(--gray-800);
    font-weight: 500;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--dark-blue) 0%, var(--primary-blue) 100%);
    padding: 60px 20px 30px;
    color: var(--white);
}

.footer-content {
    text-align: center;
}

.footer-logo {
    margin-bottom: 20px;
}

.footer-logo-img {
    height: 60px;
    width: auto;
}

.footer-logo-placeholder {
    display: none;
    flex-direction: column;
    align-items: center;
    margin-bottom: 20px;
    background: rgba(255, 255, 255, 0.1);
    padding: 12px 24px;
    border-radius: 12px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-logo-text {
    font-size: 28px;
    font-weight: 800;
    color: var(--white);
    letter-spacing: 3px;
    line-height: 1;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

.footer-logo-sub {
    font-size: 14px;
    font-weight: 700;
    color: var(--orange);
    letter-spacing: 4px;
    margin-top: 4px;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
}

.footer-slogan {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 10px;
}

.footer-copyright {
    font-size: 14px;
    opacity: 0.8;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .nav-container {
        padding: 12px 16px;
    }

    .nav-logo .logo-img {
        height: 40px;
    }

    .dropdown-btn {
        padding: 10px 16px;
        font-size: 14px;
    }

    .dropdown-content {
        min-width: 250px;
        right: -10px;
    }

    .hero {
        padding: 120px 16px 80px;
    }

    .hero-title {
        font-size: 32px;
    }

    .hero-slogan {
        font-size: 24px;
    }

    .hero-description {
        font-size: 16px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 280px;
        text-align: center;
    }

    .section-title {
        font-size: 28px;
    }

    .features {
        padding: 60px 16px;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .feature-card {
        padding: 30px;
    }

    .contact {
        padding: 60px 16px;
    }

    .footer {
        padding: 40px 16px 20px;
    }

    .footer-slogan {
        font-size: 20px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }

    .hero-slogan {
        font-size: 20px;
    }

    .hero-logo-img {
        max-width: 150px;
    }

    .feature-card h3 {
        font-size: 20px;
    }
}