/* ============================================
   DONRESOURCES LAYOUTS
   File: layout.css
   Version: 2.0
   Description: Page layouts and structure
   ============================================ */

/* ============================================
   HEADER
   ============================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    background: transparent;
    transition: var(--transition-base);
    padding: var(--spacing-md) 0;
}

.site-header.scrolled {
    background: var(--color-white);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xs) 0;
}

.site-header.scrolled .nav-link {
    color: var(--color-gray-700) !important;
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo img {
    height: 50px;
    width: auto;
    transition: var(--transition-base);
}

.site-header.scrolled .logo img {
    height: 40px;
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-link {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    font-weight: 500;
    font-size: var(--text-sm);
    color: var(--color-white);
    transition: var(--transition-base);
    position: relative;
}

.nav-link:hover {
    color: var(--color-secondary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--color-secondary);
    transition: var(--transition-base);
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

.site-header.scrolled .nav-link {
    color: var(--color-gray-700);
}

.site-header.scrolled .nav-link:hover {
    color: var(--color-primary);
}

/* Dropdown */
.nav-dropdown {
    position: relative;
}

.nav-dropdown > .nav-link {
    cursor: pointer;
}

.nav-dropdown > .nav-link::after {
    content: '▾';
    margin-left: var(--spacing-xs);
    font-size: 10px;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-sm) 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: var(--transition-base);
    z-index: var(--z-dropdown);
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: var(--spacing-sm) var(--spacing-lg);
    color: var(--color-gray-700);
    transition: var(--transition-base);
}

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

/* Mobile Navigation */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: var(--text-2xl);
    cursor: pointer;
    color: var(--color-white);
    padding: var(--spacing-sm);
}

.site-header.scrolled .nav-toggle {
    color: var(--color-gray-700);
}

/* ============================================
   HERO SECTIONS
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-4xl) 0;
    background: var(--bg-gradient-hero);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    z-index: 0;
}

.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 51, 102, 0.85), rgba(0, 34, 68, 0.9));
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    text-align: center;
    color: var(--color-white);
}

.hero-badge {
    display: inline-block;
    padding: 4px 16px;
    background: rgba(201, 162, 39, 0.2);
    border: 1px solid rgba(201, 162, 39, 0.3);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-lg);
}

.hero h1 {
    font-size: var(--text-6xl);
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
    line-height: 1.1;
}

.hero p {
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.8);
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.8;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    color: rgba(255, 255, 255, 0.4);
    animation: bounceDown 2s infinite;
}

.typed-wrapper {
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-lg);
    min-height: 50px;
}

.typed-cursor {
    color: var(--color-secondary);
}

/* ============================================
   PAGE HEADER
   ============================================ */
.page-header {
    position: relative;
    padding: var(--spacing-4xl) 0 var(--spacing-2xl);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
    margin-top: 70px;
}

.page-header .container {
    position: relative;
    z-index: 1;
}

.page-header h1 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
    font-size: var(--text-4xl);
}

.page-header p {
    color: rgba(255, 255, 255, 0.8);
    max-width: 600px;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.page-header .breadcrumb {
    color: rgba(255, 255, 255, 0.6);
}

.page-header .breadcrumb a {
    color: var(--color-secondary);
}

.page-header .breadcrumb a:hover {
    color: var(--color-secondary-light);
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
    background: var(--color-gray-900);
    color: var(--color-gray-400);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-brand h3 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.footer-brand p {
    font-size: var(--text-sm);
    line-height: 1.8;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.footer-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-full);
    color: var(--color-gray-400);
    transition: var(--transition-base);
}

.footer-social a:hover {
    background: var(--color-secondary);
    color: var(--color-white);
    transform: translateY(-3px);
}

.footer-heading {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a {
    color: var(--color-gray-400);
    transition: var(--transition-base);
}

.footer-links a:hover {
    color: var(--color-secondary);
    padding-left: var(--spacing-xs);
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
    font-size: var(--text-sm);
}

.footer-bottom a {
    color: var(--color-secondary);
}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-dark));
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-full);
    font-size: var(--text-xl);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
    box-shadow: 0 4px 20px rgba(201, 162, 39, 0.3);
    z-index: var(--z-fixed);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(201, 162, 39, 0.4);
}

/* ============================================
   RESPONSIVE LAYOUTS
   ============================================ */
@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-lg);
        border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    }
    
    .nav.open {
        display: flex;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .nav-dropdown .dropdown-menu {
        position: static;
        box-shadow: none;
        padding: var(--spacing-xs) 0 var(--spacing-xs) var(--spacing-lg);
        border-radius: 0;
        transform: none;
        opacity: 1;
        visibility: visible;
    }
    
    .nav-dropdown .dropdown-menu::before {
        display: none;
    }
    
    .site-header.scrolled .nav-link {
        color: var(--color-gray-700) !important;
    }
    
    .hero h1 {
        font-size: var(--text-4xl);
    }
    
    .page-header h1 {
        font-size: var(--text-3xl);
    }
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .hero {
        min-height: 80vh;
    }
    
    .hero h1 {
        font-size: var(--text-3xl);
    }
    
    .hero p {
        font-size: var(--text-base);
    }
    
    .page-header {
        padding: var(--spacing-2xl) 0 var(--spacing-lg);
        margin-top: 60px;
    }
    
    .page-header h1 {
        font-size: var(--text-2xl);
    }
    
    .page-header p {
        font-size: var(--text-sm);
    }
    
    .back-to-top {
        width: 40px;
        height: 40px;
        font-size: var(--text-base);
        bottom: var(--spacing-lg);
        right: var(--spacing-lg);
    }
    
    .typed-wrapper {
        font-size: var(--text-xl);
        min-height: 40px;
    }
}

@media (max-width: 576px) {
    .hero h1 {
        font-size: var(--text-2xl);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    .page-header {
        padding: var(--spacing-lg) 0;
        margin-top: 50px;
    }
    
    .page-header h1 {
        font-size: var(--text-xl);
    }
    
    .footer-bottom {
        font-size: var(--text-xs);
    }
    
    .typed-wrapper {
        font-size: var(--text-base);
        min-height: 35px;
    }
}

@keyframes bounceDown {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(8px);
    }
}