/* Base Reset & Typography */
:root {
    --primary-color: #005f73;
    /* Deep Teal */
    --secondary-color: #0a9396;
    --accent-color: #94d2bd;
    --text-color: #333;
    --bg-color: #fff;
    --light-gray: #f8f9fa;
    --border-color: #e9ecef;
    --font-main: 'Inter', sans-serif;
    --transition: all 0.3s ease;
    --header-height: 80px;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

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

body {
    font-family: var(--font-main);
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--bg-color);
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 2rem;
    text-align: center;
}

p {
    margin-bottom: 1rem;
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 5%;
    height: var(--header-height);
    background-color: #1a1a1a;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo img {
    height: 45px;
    width: auto;
    filter: brightness(0) invert(1);
    /* Ensure logo is white */
}

nav ul {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

nav a {
    font-weight: 400;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    transition: var(--transition);
}

nav a:hover,
nav a.active {
    color: #fff;
}

.contact-btn-nav {
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 0.5rem 1.25rem;
    border-radius: 4px;
}

.contact-btn-nav:hover {
    background: #fff;
    color: #000;
    border-color: #fff;
}

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

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: #2a2a2a;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border-radius: 4px;
    padding: 1rem 0;
    min-width: 250px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

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

.dropdown-menu li a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
}

.dropdown-menu li a:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: #fff;
}

.dropdown-header {
    padding: 0.5rem 1.5rem;
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--secondary-color);
    letter-spacing: 1px;
    font-weight: 600;
}

/* Hero Slider */
.hero-slider {
    position: relative;
    margin-top: var(--header-height);
    /* Account for fixed header */
    height: calc(100vh - var(--header-height));
    /* Full viewport height minus header */
    min-height: 500px;
    overflow: hidden;
    background: #000;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}

.slide.active {
    opacity: 0.6;
    /* Slightly darkened by default for text readability */
}

/* Overlay gradient for text readability */
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(0, 0, 0, 0.7), transparent);
    display: flex;
    align-items: center;
    padding: 0 5%;
}

.hero-content {
    max-width: 700px;
    color: #fff;
    z-index: 2;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    line-height: 1.1;
    font-weight: 300;
}

.hero-content p {
    font-size: 1.1rem;
    font-weight: 300;
    opacity: 0.9;
    border-left: 3px solid var(--secondary-color);
    padding-left: 1rem;
}

/* Board Section */
.board-section {
    padding: 6rem 5%;
    background-color: #fff;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2rem;
    color: #000;
    margin-bottom: 1rem;
    font-weight: 300;
}

.section-header .line {
    width: 60px;
    height: 2px;
    background: var(--secondary-color);
    margin: 0 auto;
}

.board-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.board-card {
    text-align: center;
    padding: 2rem;
    transition: var(--transition);
}

.board-role {
    color: #999;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 0.75rem;
}

.board-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: #000;
}

/* Contact Section - Minimalist */
.contact-section {
    padding: 6rem 5%;
    background-color: #f9f9f9;
}

.contact-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.contact-text-area h2 {
    font-size: 2.5rem;
    font-weight: 300;
    color: #000;
    margin-bottom: 0.5rem;
}

.subtitle {
    color: #666;
    margin-bottom: 3rem;
    font-weight: 300;
}

.contact-minimal-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.c-item {
    display: grid;
    grid-template-columns: 120px 1fr;
    align-items: baseline;
    font-size: 0.95rem;
}

.c-item .label {
    color: #999;
    font-weight: 500;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.c-item .val {
    color: #333;
    line-height: 1.6;
}

.c-item .val a {
    border-bottom: 1px dotted #999;
}

.c-item .val a:hover {
    color: var(--secondary-color);
    border-bottom-color: var(--secondary-color);
}

.contact-map-area {
    position: relative;
    height: 400px;
    background: #e0e0e0;
    border-radius: 8px;
    /* Optional rounded */
    background: url('images/tahta2.jpg') no-repeat center center;
    background-size: cover;
    /* filter: grayscale(100%); Removed to keep original colors */
    /* opacity: 0.8; Removed to keep original intensity */
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    /* Added subtle shadow for depth */
}



/* Footer */
footer {
    background-color: #000;
    color: #fff;
    padding: 4rem 5% 2rem;
    border-top: 1px solid #222;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.social-links {
    display: flex;
    gap: 1.5rem;
}

.social-links a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-links a:hover {
    color: #fff;
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    color: #555;
    font-size: 0.8rem;
    letter-spacing: 1px;
}

/* Responsive */
@media (max-width: 768px) {
    .header {
        padding: 0 1rem;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .contact-inner {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .c-item {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .nav ul {
        display: none;
    }

    /* Mobile Menu Placeholder */
}