:root {
    --primary-color: #ff6b00;
    --text-color: #ffffff;
    --bg-color: #121212;
    --card-bg: #1e1e1e;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.5;
    color: var(--text-color);
    background: var(--bg-color);
}

header {
    background: rgba(18, 18, 18, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo i {
    font-size: 1.8rem;
    color: var(--primary-color);
}

.logo-text {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
    list-style: none;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.nav-links a:hover {
    opacity: 1;
    color: var(--primary-color);
}

.hero {
    padding: 8rem 2rem 2rem;
    text-align: center;
    min-height: 100vh;
    display: flex;
    align-items: flex-start;
    background: linear-gradient(180deg, var(--bg-color) 0%, var(--card-bg) 100%);
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
    color: var(--primary-color);
}

.app-store {
    margin: 1.5rem 0 2rem;
}

.store-button img {
    height: 50px;
    transition: transform 0.3s;
}

.store-button:hover img {
    transform: translateY(-2px);
}

.device-mockup {
    margin-top: 3rem;
}

.device-mockup img {
    max-width: 300px;
    height: auto;
}

.features {
    padding: 5rem 2rem;
    background: var(--bg-color);
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

footer {
    background: var(--card-bg);
    padding: 3rem 2rem;
    text-align: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.footer-logo i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.footer-logo .logo-text {
    font-size: 1.5rem;
}

.footer-links {
    margin: 1rem 0;
}

.footer-links a {
    color: var(--text-color);
    text-decoration: none;
    margin: 0 1rem;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--primary-color);
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .device-mockup img {
        max-width: 250px;
    }
}

.app-features {
    margin: 3rem 0;
}

.feature-icons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    max-width: 600px;
    margin: 0 auto;
}

.feature-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--primary-color);
}

.feature-icon i {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.qr-types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.qr-type {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    transition: transform 0.3s, background-color 0.3s;
}

.qr-type:hover {
    transform: translateY(-5px);
    background: var(--primary-color);
}

.qr-type i {
    font-size: 2rem;
    color: var(--primary-color);
}

.qr-type:hover i {
    color: white;
}

.qr-type span {
    font-size: 0.9rem;
}

.app-screenshot {
    padding: 4rem 2rem;
    background: var(--bg-color);
}

.screenshot-container {
    display: flex;
    justify-content: center;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.app-screen {
    max-width: 300px;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

@media (max-width: 768px) {
    .feature-icons {
        grid-template-columns: repeat(2, 1fr);
    }

    .screenshot-container {
        flex-direction: column;
        align-items: center;
    }

    .app-screen {
        max-width: 250px;
    }
}

/* Slider Styles */
.app-showcase {
    padding: 2rem 2rem 4rem;
    background: linear-gradient(180deg, var(--bg-color) 0%, var(--card-bg) 100%);
    overflow: hidden;
}

.slider-container {
    max-width: 280px;
    margin: 2rem auto;
    position: relative;
    overflow: hidden;
    aspect-ratio: 9/19;
    border-radius: 20px;
}

.slider {
    display: flex;
    transition: transform 0.5s ease-in-out;
    width: 100%;
    height: 100%;
}

.slide {
    min-width: 100%;
    flex-shrink: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0;
}

.phone-mockup {
    width: 100%;
    height: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.phone-mockup img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.slider-nav {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
    position: relative;
    z-index: 2;
}

.slider-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 107, 0, 0.3);
    cursor: pointer;
    padding: 0;
    transition: all 0.3s ease;
}

.slider-dot.active {
    background: var(--primary-color);
    transform: scale(1.2);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .slider-container {
        max-width: 240px;
    }
}

.phone-slider {
    width: 100%;
    max-width: 300px;
    margin: 2rem auto;
    text-align: center;
}

.phone-frame {
    position: relative;
    width: 100%;
    padding-bottom: 200%; /* 2:1 aspect ratio for phone */
    margin-bottom: 1rem;
}

.phone-screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 2rem;
    overflow: hidden;
    background: var(--bg-color);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.screen-slides {
    position: relative;
    width: 100%;
    height: 100%;
}

.screen-slides .slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease;
    object-fit: cover;
}

.screen-slides .slide.active {
    opacity: 1;
}

.slider-dots {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 107, 0, 0.3);
    cursor: pointer;
    padding: 0;
    transition: all 0.3s ease;
}

.dot.active {
    background: var(--primary-color);
    transform: scale(1.2);
}

/* Footer'daki App Store butonu için stil */
.footer-content .app-store {
    margin: 1.5rem 0;
}