/* ==========================================================================
   Reset and Base Styles
   ========================================================================== */

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

:root {
    /* Colors - New Palette */
    --primary-color: #062e4f;        /* Deep Blue - Headers, Footer, Icons */
    --primary-dark: #041d33;         /* Darker Blue for hovers */
    --secondary-color: #0a4a73;      /* Secondary Blue */
    --accent-color: #ffffff;         /* Pure White - Text on blue backgrounds */
    --text-dark: #374151;            /* Slate Gray - Body text */
    --text-light: #6b7280;           /* Light Gray - Secondary text */
    --text-white: #ffffff;           /* White text */
    --bg-white: #ffffff;             /* Pure white backgrounds */
    --bg-light: #f9fafb;             /* Off-White - Main section backgrounds */
    --bg-dark: #062e4f;              /* Dark blue for footer */
    --overlay: rgba(6, 46, 79, 0.6); /* Blue overlay for hero */

    /* Typography */
    --font-family: 'Quicksand', sans-serif;
    --font-light: 100;
    --font-regular: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 600;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Layout */
    --container-max-width: 1200px;
    --header-height: 80px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-weight: var(--font-regular);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    /*text-align: center;*/
}

.section {
    padding: var(--spacing-xl) 0;
    position: relative;
    z-index: 10;
}

.section-title {
    font-size: clamp(2rem, 2vw, 9.5rem);
    font-weight: var(--font-semibold);
    margin-bottom: var(--spacing-md);
    text-align:center;
    color: var(--text-dark);
}

/* ==========================================================================
   Header Navigation
   ========================================================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--bg-white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    z-index: 1000;
}

.nav-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-nav {
    display: flex;
    align-items: center;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    text-decoration: none;
    transition: opacity var(--transition-fast);
}

.logo-link:hover {
    opacity: 0.8;
}

.logo-text {
    font-size: 1.1rem;
    font-family: Arial, Helvetica, sans-serif;
    font-weight: var(--font-bold);
    color: var(--primary-color);
    white-space: nowrap;
}

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

.nav-menu {
    display: none;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-link {
    font-weight: var(--font-semibold);
    font-size: 0.95rem;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-normal);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link-highlight {
    padding: 0.5rem 1.25rem;
    background: var(--primary-color);
    color: var(--text-white);
    border-radius: 50px;
}

.nav-link-highlight::after {
    display: none;
}

.nav-link-highlight:hover {
    background: var(--primary-dark);
    color: var(--text-white);
}

.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    transition: all var(--transition-normal);
    border-radius: 2px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    background-image: url('../images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    overflow: hidden;
    z-index: 1;
    background-color: var(--primary-color);
}


.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        0deg, 
        hsl(from var(--primary-color) h s l / 1) 0%,
        hsl(from var(--primary-color) h s l / 0.5) 10%,
         hsl(from var(--primary-color) h s l / 0) 100%);
    /*background: linear-gradient(
        to top,
        hsl(from var(--primary-color) h s l / 0) 1%,
        transparent)*/
    /*background: var(--overlay);*/
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: var(--text-white);
    padding: 100 var(--spacing-md);
    animation: fadeInUp 1s ease;
}

.hero-logo {
    width: clamp(150px, 300vw, 250px);
    height: auto;
    object-position: 80% 100%;
    margin-bottom: 150%;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.3));
}

.hero-title {
    font-size: clamp(2rem, 6vw, 4rem);
    font-weight: var(--font-bold);
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
    font-size: clamp(1rem, 3vw, 1.5rem);
    font-weight: var(--font-light);
    opacity: 0.95;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    animation: bounce 2s infinite;
}

.scroll-indicator svg {
    filter: drop-shadow(0 2px 5px rgba(0, 0, 0, 0.3));
}

/* ==========================================================================
   About Section
   ========================================================================== */

.about {
    background: var(--primary-color);
    color: var(--text-white);
}

.about .section-title {
    color: var(--text-white);
}

.about .intro-paragraph {
    color: rgba(255, 255, 255, 0.9);
}

.about .achievements-title {
    color: var(--text-white);
}

.intro-text {
    max-width: 900px;
    margin: 0 auto var(--spacing-md);
    text-align: center;
}

.intro-paragraph {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
}

.achievements {
    margin-top: var(--spacing-lg);
}

.achievements-title {
    font-size: 2rem;
    font-weight: var(--font-bold);
    text-align: center;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto;
}

.achievement-card {
    text-align: center;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.achievement-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(6, 46, 79, 0.15);
    border-color: var(--primary-color);
}

.achievement-card.highlight {
    background: var(--primary-color);
    color: var(--text-white);
    border-color: var(--primary-dark);
}

.achievement-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.achievement-title {
    font-size: 1.2rem;
    font-weight: var(--font-light);
    margin-bottom: var(--spacing-xs);
}

.achievement-description {
    font-size: .8rem;
    font-weight: var(--font-light);
    margin-bottom: var(--spacing-xs);
    opacity: 0.9;
}

.achievement-year {
    font-size: 0.875rem;
    font-weight: var(--font-semibold);
    opacity: 0.8;
}

/* ==========================================================================
   Identity Section
   ========================================================================== */

.identity {
    background: var(--bg-light);
    color: var(--text-dark);
}

.identity .section-title {
    color: var(--text-dark);
}

.identity-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.identity-card {
    background: var(--bg-white);
    padding: var(--spacing-md);
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 2px solid #e5e7eb;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.identity-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(6, 46, 79, 0.15);
    border-color: var(--primary-color);
}

.identity-image-wrapper {
    width: 200px;
    height: 200px;
    margin: 0 auto var(--spacing-md);
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid color-mix(in srgb, var(--primary-color), 0);
}

.identity-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.identity-card-title {
    font-size: 1.75rem;
    font-weight: var(--font-bold);
    margin-bottom: var(--spacing-sm);
    text-align: center;
    color: var(--primary-color);
}

.identity-card-text {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-light);
    text-align: center;
}

/* ==========================================================================
   Documents Section
   ========================================================================== */

.documents {
    background: var(--primary-color);
    color: var(--text-white);
    position: relative;
    z-index: 10;
}

.documents .section-title {
    color: var(--text-white);
}

.documents-intro {
    text-align: center;
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
    line-height: 1.8;
}

.documents-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.document-category {
    background: var(--bg-white);
    padding: var(--spacing-md);
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.document-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.document-category-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--bg-light);
}

.document-category-icon {
    color: var(--primary-color);
    flex-shrink: 0;
}

.document-category-title {
    font-size: 1rem;
    font-weight: var(--font-bold);
    color: var(--text-dark);
    margin: 0;
}

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

.document-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-xs);
    transition: transform var(--transition-fast);
}

.document-item:hover {
    transform: translateX(5px);
}

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

.document-link {
    color: var(--text-dark);
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

.document-link:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

/* Documents Page (Standalone) */
.documents-page {
    min-height: 100vh;
}

.documents-hero {
    position: relative;
    height: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    background-image: url('../images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    overflow: hidden;
    margin-top: var(--header-height);
    z-index: 1;
    background-color: var(--primary-color);
}

.documents-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        0deg,
        hsl(from var(--primary-color) h s l / 1) 0%,
        hsl(from var(--primary-color) h s l / 0.5) 10%,
        hsl(from var(--primary-color) h s l / 0) 100%);
}

.documents-hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: var(--text-white);
    padding: var(--spacing-md);
    animation: fadeInUp 1s ease;
}

.documents-hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: var(--font-bold);
    margin: 0;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

/* ==========================================================================
   Contact Section
   ========================================================================== */

.contact {
    background: var(--bg-light);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-item {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-white);
    border-radius: 12px;
    border: 1px solid #e5e7eb;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.contact-item:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 15px rgba(6, 46, 79, 0.1);
    border-color: var(--primary-color);
}

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

.contact-item h4 {
    font-size: 1rem;
    font-weight: var(--font-semibold);
    margin-bottom: 0.25rem;
    color: var(--text-dark);
}

.contact-item p {
    font-size: 0.95rem;
    color: var(--text-light);
}

.contact-item a {
    color: var(--primary-color);
    transition: color var(--transition-fast);
}

.contact-item a:hover {
    color: var(--primary-dark);
}

/* Contact Form */

.contact-form {
    background: var(--bg-white);
    padding: var(--spacing-md);
    border-radius: 16px;
    border: 1px solid #e5e7eb;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-weight: var(--font-semibold);
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.btn-submit {
    width: 100%;
    padding: 1rem;
    background: var(--primary-color);
    color: var(--text-white);
    font-weight: var(--font-semibold);
    font-size: 1rem;
    border-radius: 8px;
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.btn-submit:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-submit:active {
    transform: translateY(0);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
    background: var(--bg-dark);
    color: var(--text-white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

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

.footer-social {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.footer-social a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.footer-text {
    margin-top: var(--spacing-md);
}

.footer-text p {
    font-size: 0.95rem;
    opacity: 0.8;
    margin-bottom: 0.5rem;
}

.footer-motto {
    font-style: italic;
    font-weight: var(--font-semibold);
    opacity: 0.9;
}

/* ==========================================================================
   Animations
   ========================================================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(-10px);
    }
}

/* ==========================================================================
   Responsive Design - Desktop
   ========================================================================== */

@media (min-width: 768px) {
    .nav-menu {
        display: flex;
    }

    .mobile-menu-toggle {
        display: none;
    }

    .section {
        padding: 50px 0;
    }

    .contact-wrapper {
        grid-template-columns: 1fr 1fr;
    }
}

@media (min-width: 1024px) {
    .achievements-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .identity-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ==========================================================================
   Mobile Menu
   ========================================================================== */

@media (max-width: 767px) {
    .logo-text {
        display: none;
    }

    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--bg-white);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        transform: translateY(-100%);
        opacity: 0;
        transition: transform var(--transition-normal), opacity var(--transition-normal);
    }

    .nav-menu.active {
        display: flex;
        transform: translateY(0);
        opacity: 1;
    }

    .nav-link {
        padding: 0.75rem 0;
        text-align: center;
    }
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

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

.hidden {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}