/* Sultan Bedir - Gelecek Atılımı Kampanyası - Ana Stil Dosyası */

:root {
    --vision-teal: #3d8b8b;
    --atilim-coral: #FF7F50;
    --cream-white: #FDFBF7;
    --lead-gray: #4A4A4A;
    --dark-gray: #2d2d2d;
}

body {
    font-family: 'Lato', sans-serif;
    background-color: var(--cream-white);
    color: var(--lead-gray);
}

h1, h2, h3, .font-display {
    font-family: 'Playfair Display', serif;
}

/* Header Styles */
header {
    background-color: rgba(255, 255, 255, 0.95);
    transition: all 0.4s ease;
}

header.scrolled {
     background-color: transparent;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
}

header .logo-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

header .logo-image {
    width: 180px;
    height: 60px;
    object-fit: contain;
    /* filter: brightness(0) invert(1); */
    transition: filter 0.3s ease;
}

header.scrolled .logo-image {
    filter: none;
}

header .logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

header .logo-name {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin: 0;
    transition: color 0.3s ease;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

header.scrolled .logo-name {
    color: var(--dark-gray);
    text-shadow: none;
}

header .logo-subtitle {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 400;
    letter-spacing: 0.5px;
    transition: color 0.3s ease;
}

header.scrolled .logo-subtitle {
    color: var(--lead-gray);
}

header nav a {
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s ease;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

header.scrolled nav a {
    color: var(--dark-gray);
    text-shadow: none;
}

header nav a:hover {
    color: var(--vision-teal);
}

header .btn-teal {
    border: 2px solid white;
}

header.scrolled .btn-teal {
    border: 2px solid var(--vision-teal);
}

header .hamburger span {
    background-color: white;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

header.scrolled .hamburger span {
    background-color: var(--dark-gray);
    box-shadow: none;
}

#home{
    background-image: url('/images/header-back.png');
    background-repeat: repeat;
}

/* Color Classes */
.bg-vision-teal { background-color: var(--vision-teal); }
.text-vision-teal { color: var(--vision-teal); }
.bg-atilim-coral { background-color: var(--atilim-coral); }
.text-atilim-coral { color: var(--atilim-coral); }
.bg-cream-white { background-color: var(--cream-white); }
.text-lead-gray { color: var(--lead-gray); }

/* Button Styles */
.btn {
    transition: all 0.3s ease;
    display: inline-block;
    text-align: center;
    cursor: pointer;
    border: none;
    text-decoration: none;
}

.btn-coral {
    background-color: var(--atilim-coral);
    color: white;
}

.btn-coral:hover {
    background-color: #E56A3D;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.btn-teal {
    background-color: var(--vision-teal);
    color: white;
}

.btn-teal:hover {
    background-color: #2d6d6d;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

/* Section Padding */
.section-padding {
    padding: 4rem 1.5rem;
}

@media (min-width: 768px) {
    .section-padding {
        padding: 6rem 2rem;
    }
}

/* Project Card Hover Effect */
.project-card {
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

/* Modal Styles */
#projectsModal {
    backdrop-filter: blur(4px);
}

#projectsModal .modal-content {
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Mobile Menu Styles */
.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100vh;
    background-color: white;
    box-shadow: -2px 0 10px rgba(0,0,0,0.1);
    z-index: 100;
    padding: 2rem;
    transform: translateX(100%);
    transition: transform 0.3s ease;
}

.mobile-menu.active {
    display: block;
    transform: translateX(0);
}

.mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(0,0,0,0.5);
    z-index: 99;
}

.mobile-menu-overlay.active {
    display: block;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--dark-gray);
    transition: all 0.3s ease;
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
}

/* Utility Classes */
.text-shadow {
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.smooth-scroll {
    scroll-behavior: smooth;
}