:root {
    --primary-color: #00f2fe;
    --secondary-color: #4facfe;
    --bg-dark: #0a0a0a;
    --bg-light: #ffffff;
    --bg-gray: #f5f7fa;
    --text-dark: #333333;
    --text-light: #ffffff;
    --text-muted: #888888;
    --font-main: 'Outfit', sans-serif;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

/* Typography */
h1,
h2,
h3,
h4 {
    font-weight: 700;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 30px;
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    color: var(--text-light);
    border-radius: 30px;
    font-weight: 500;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    box-shadow: 0 10px 20px rgba(79, 172, 254, 0.3);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 25px rgba(79, 172, 254, 0.4);
    color: var(--text-light);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 20px;
    left: 0;
    right: 0;
    margin: 0 auto;
    width: 90%;
    max-width: 1000px;
    background: rgba(10, 10, 10, 0.4);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    padding: 15px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.85);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    padding: 12px 40px;
    top: 15px;
}

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

.logo img {
    height: 25px;
    width: auto;
    object-fit: contain;
}

.nav-links {
    display: flex;
    gap: 15px;
}

.nav-links a {
    color: var(--text-light);
    font-weight: 500;
    font-size: 1.05rem;
    position: relative;
    padding: 8px 16px;
    border-radius: 25px;
    transition: var(--transition);
}

.nav-links a:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--primary-color);
}

.hamburger {
    display: none;
    color: var(--text-light);
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 1001;
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--text-light);
    z-index: 1;
}

.bg-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.8));
    z-index: -1;
}

.hero-content {
    max-width: 800px;
    padding: 0 20px;
    animation: fadeIn 1.5s ease-out forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

.hero-content h1 {
    font-size: 5.5rem;
    margin-bottom: 20px;
    background: linear-gradient(to right, #ffffff, #b3e5fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.6rem;
    margin-bottom: 40px;
    font-weight: 300;
    opacity: 0.9;
}

/* Sections */
.section {
    padding: 100px 0;
}

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

.section-header {
    margin-bottom: 60px;
}

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

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: inherit;
}

.line {
    width: 60px;
    height: 4px;
    background: linear-gradient(to right, var(--secondary-color), var(--primary-color));
    border-radius: 2px;
}

.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

/* Hakkımızda */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.about-features {
    display: grid;
    gap: 30px;
}

.feature-card {
    background: var(--bg-gray);
    padding: 30px;
    border-radius: 20px;
    transition: var(--transition);
    border-left: 5px solid var(--secondary-color);
}

.feature-card:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.feature-card i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.feature-card h4 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 1rem;
}

/* Vizyonumuz */
.vision-content {
    display: flex;
    flex-direction: column;
    gap: 50px;
}

.vision-description {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.vision-description h3 {
    font-size: 2.2rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.vision-description p {
    font-size: 1.2rem;
    line-height: 1.8;
    font-weight: 300;
    color: var(--text-light);
    opacity: 0.9;
    margin-bottom: 20px;
}

.vision-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.vision-item {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    height: 350px;
    cursor: pointer;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.vision-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.vision-item:hover img {
    transform: scale(1.08);
}

.vision-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.2) 50%, transparent 100%);
    display: flex;
    align-items: flex-end;
    padding: 30px;
    transition: var(--transition);
}

.vision-item:hover .vision-overlay,
.vision-item.active .vision-overlay {
    background: linear-gradient(to top, rgba(0, 242, 254, 0.8) 0%, rgba(0, 0, 0, 0.7) 100%);
}

.overlay-content {
    width: 100%;
}

.overlay-content h4 {
    color: var(--text-light);
    font-size: 1.6rem;
    font-weight: 600;
    transform: translateY(20px);
    transition: all 0.4s ease;
}

.overlay-content p {
    color: var(--text-light);
    font-size: 1rem;
    line-height: 1.5;
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    transition: all 0.4s ease;
}

.vision-item:hover .overlay-content h4,
.vision-item.active .overlay-content h4 {
    transform: translateY(0);
}

.vision-item:hover .overlay-content p,
.vision-item.active .overlay-content p {
    opacity: 0.95;
    max-height: 150px;
    margin-top: 15px;
}

/* İletişim - Yeni Tasarım */
.contact-cta {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.contact-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 50px;
    line-height: 1.8;
}

.contact-cards {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.contact-card {
    background: var(--bg-gray);
    padding: 40px 30px;
    border-radius: 20px;
    flex: 1;
    min-width: 250px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid transparent;
    text-decoration: none;
    color: inherit;
}

.contact-card:hover {
    transform: translateY(-10px);
    background: var(--bg-light);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.05);
    border-color: rgba(79, 172, 254, 0.3);
}

.icon-wrapper {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, rgba(79, 172, 254, 0.1), rgba(0, 242, 254, 0.1));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary-color);
    transition: var(--transition);
}

.contact-card:hover .icon-wrapper {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    color: var(--text-light);
    box-shadow: 0 10px 20px rgba(79, 172, 254, 0.3);
}

.contact-card h4 {
    font-size: 1.4rem;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.contact-card p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.contact-card.whatsapp:hover .icon-wrapper {
    background: linear-gradient(135deg, #25D366, #128C7E);
    box-shadow: 0 10px 20px rgba(37, 211, 102, 0.3);
}

.contact-card.whatsapp:hover {
    border-color: rgba(37, 211, 102, 0.3);
}

/* Footer */
footer {
    background: var(--bg-dark);
    color: var(--text-light);
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

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

.footer-logo img {
    height: 35px;
    width: auto;
    object-fit: contain;
}

.social-links {
    display: flex;
    gap: 20px;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: var(--transition);
    color: var(--text-light);
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 992px) {
    .hero-content h1 {
        font-size: 4rem;
    }

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

    .vision-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .navbar {
        width: 95%;
        padding: 15px 25px;
        top: 15px;
    }

    .nav-links {
        position: fixed;
        top: -15px;
        left: -2.5vw;
        width: 100vw;
        height: 100vh;
        background: rgba(10, 10, 10, 0.98);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: all 0.4s ease-in-out;
        gap: 30px;
        border-radius: 0;
        opacity: 0;
        visibility: hidden;
    }

    .nav-links.active {
        opacity: 1;
        visibility: visible;
    }

    .nav-links a {
        font-size: 1.5rem;
    }

    .hamburger {
        display: block;
    }

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

    .hero-content p {
        font-size: 1.1rem;
    }

    .vision-description p {
        font-size: 1.2rem;
    }

    .section {
        padding: 70px 0;
    }
}