:root {
    --bg: #F5F7FA;
    --fg: #0B2E4F;
    --muted: #5C819A;
    --accent: #C9A227;
    --card: #FFFFFF;
    --border: #E2E8F0;
    --teal: #0F6E8C;
    --green: #2E8B57;
    --navy-900: #0B2E4F;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg);
    color: var(--fg);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    line-height: 1.2;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg);
}

::-webkit-scrollbar-thumb {
    background: var(--muted);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--fg);
}

/* Header Styles */
.header-scrolled {
    background: rgba(11, 46, 79, 0.98);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

/* Logo specific fix */
.header-white {
    background: #ffffff !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header-white .nav-link {
    color: var(--fg) !important;
}

.header-white .nav-link:hover,
.header-white .nav-link.nav-current:hover {
    color: var(--teal) !important;
}

.header-white .nav-link.nav-current {
    color: var(--teal) !important;
    font-weight: 600;
}

.header-white .lang-btn {
    color: var(--fg) !important;
    background: rgba(0, 0, 0, 0.05);
}

.header-white .lang-btn.active {
    background: var(--accent);
    color: white !important;
}

/* Dropdown Menu */
.dropdown-menu {
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.25s ease;
}

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

/* Carousel */
.carousel-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.8s ease;
}

.carousel-slide.active {
    opacity: 1;
}

/* Mobile Menu */
.mobile-menu {
    transform: translateX(100%);
    transition: transform 0.3s ease;
}

.mobile-menu.open {
    transform: translateX(0);
}

/* Button Styles */
.btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, #D4B23A 100%);
    color: var(--fg);
    font-weight: 600;
    padding: 0.875rem 2rem;
    border-radius: 4px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(201, 162, 39, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(201, 162, 39, 0.4);
}

.btn-secondary {
    background: transparent;
    border: 2px solid var(--accent);
    color: var(--accent);
    font-weight: 600;
    padding: 0.75rem 1.75rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: var(--accent);
    color: var(--fg);
}

/* Card Hover Effects */
.publication-card {
    transition: all 0.3s ease;
}

.publication-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(11, 46, 79, 0.12);
}

/* Pattern Background */
.pattern-bg {
    background-image:
        radial-gradient(circle at 20% 50%, rgba(15, 110, 140, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(201, 162, 39, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(46, 139, 87, 0.03) 0%, transparent 50%);
}

/* Section Divider */
.section-divider {
    height: 4px;
    width: 60px;
    background: linear-gradient(90deg, var(--accent) 0%, var(--teal) 100%);
    border-radius: 2px;
}

/* Focus States */
.focus-ring:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.4);
}

/* Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

.animate-delay-100 {
    animation-delay: 0.1s;
}

.animate-delay-200 {
    animation-delay: 0.2s;
}

.animate-delay-300 {
    animation-delay: 0.3s;
}

.animate-delay-400 {
    animation-delay: 0.4s;
}

@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Language Toggle */
.lang-toggle {
    position: relative;
    display: flex;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

.lang-btn {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.7);
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    background: transparent;
}

.lang-btn.active {
    background: var(--accent);
    color: var(--fg);
}

/* Form Styles */
.form-input {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 2px solid var(--border);
    border-radius: 6px;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
}

.form-input:focus {
    outline: none;
    border-color: var(--teal);
    box-shadow: 0 0 0 3px rgba(15, 110, 140, 0.1);
}

.form-input::placeholder {
    color: var(--muted);
}

/* Structure Tree */
.org-line {
    position: absolute;
    left: 50%;
    width: 2px;
    background: var(--border);
}

/* Sidebar Menu Design */
.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.sidebar-link {
    display: block;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    color: var(--fg);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s ease;
}

.sidebar-link:hover {
    background: rgba(15, 110, 140, 0.05);
    color: var(--teal);
}

.sidebar-link.active {
    background: var(--navy-900);
    color: white;
}

/* Page header gradient */
.bg-navy-900 {
    background: linear-gradient(135deg, #0B2E4F 0%, #183A48 50%, #254A5A 100%);
}

/* Partner and card hover refinement */
a.bg-white.rounded-xl:hover,
a.bg-white.rounded-2xl:hover {
    transform: translateY(-2px);
}

/* Contact form and inner pages */
.form-input.resize-none {
    min-height: 120px;
}

/* Teal link color for current page - ensure visibility */
.text-teal-600 {
    color: var(--teal) !important;
}