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

body {
    font-family: 'SF Pro Display', 'Helvetica Neue', 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
    background-color: #fcfcfc;
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(15px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #007AFF;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 35px;
}

.nav-links a {
    text-decoration: none;
    color: #555;
    font-weight: 500;
    font-size: 1.05rem;
    transition: color 0.3s ease, transform 0.2s ease;
}

.nav-links a:hover {
    color: #007AFF;
    transform: translateY(-2px);
}

.cta-button {
    background: none;
    padding: 0;
    border-radius: 0;
    box-shadow: none;
    transition: transform 0.3s ease;
    display: inline-block;
}

.cta-button img {
    height: 40px;
    display: block;
}

.cta-button:hover {
    background: none;
    transform: translateY(-3px);
    box-shadow: none;
}


/* Hero Section */
.hero {
    padding: 150px 0 100px;
    background-color: #fcfcfc;
    color: #333;
    min-height: 90vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    text-align: left;
}

.hero-title {
    font-size: 3.8rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 25px;
    color: #1a202c;
}

.hero-subtitle {
    font-size: 1.35rem;
    margin-bottom: 50px;
    opacity: 0.95;
    line-height: 1.5;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 18px;
    background: linear-gradient(45deg, #007AFF, #0056CC);
    color: white;
    padding: 18px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    box-shadow: 0 12px 35px rgba(0, 122, 255, 0.25);
    position: relative;
    overflow: hidden;
}

.download-btn:hover {
    background: linear-gradient(45deg, #0056CC, #003F9E);
    transform: translateY(-5px);
    box-shadow: 0 18px 45px rgba(0, 122, 255, 0.35);
}

.app-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.hero-media {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.phone-mockup {
    position: relative;
    width: 100%;
    max-width: 650px;
    height: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-image {
    position: absolute;
    width: 55%;
    height: auto;
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.2);
    border-radius: 25px;
    transition: transform 0.5s ease;
}

.phone-image-left {
    transform: rotate(-10deg) translateX(-100px);
    z-index: 2;
}

.phone-image-right {
    transform: rotate(10deg) translateX(100px);
    z-index: 1;
}

.phone-mockup:hover .phone-image-left {
    transform: rotate(-12deg) translateX(-110px) scale(1.02);
}

.phone-mockup:hover .phone-image-right {
    transform: rotate(8deg) translateX(110px) scale(1.02);
}

/* How It Works Section */
.how-it-works {
    padding: 100px 0;
    background: white;
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.step-content h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #1a202c;
}

.step-content p {
    color: #64748b;
    line-height: 1.7;
    font-size: 1.1rem;
}

.step-image {
    margin-bottom: 30px;
    width: 80%;
    height: 500px;
    overflow: hidden;
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    border: 1px solid #e0e0e0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
}

.step-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    border-radius: 20px;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: #f8fafc;
}

.section-title {
    text-align: center;
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 70px;
    color: #1a202c;
    position: relative;
}

.section-title::after {
    content: "";
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 5px;
    background: #007AFF;
    border-radius: 5px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.feature-card {
    background: white;
    padding: 45px 35px;
    border-radius: 25px;
    text-align: center;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #e0e0e0;
}

.feature-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.18);
    border-color: #007AFF;
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 25px;
    color: #007AFF;
}

.feature-card h3 {
    font-size: 1.6rem;
    font-weight: 600;
    margin-bottom: 18px;
    color: #1a202c;
}

.feature-card p {
    color: #64748b;
    line-height: 1.7;
    font-size: 1.05rem;
}

/* Testimonials Section */
.testimonials {
    padding: 100px 0;
    background: #f0f2f5;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.testimonial {
    background: white;
    padding: 45px 35px;
    border-radius: 25px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #e0e0e0;
}

.testimonial:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.stars {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: #FFD700;
}

.testimonial p {
    font-style: italic;
    margin-bottom: 25px;
    color: #4a5568;
    line-height: 1.7;
    font-size: 1.05rem;
}

.author {
    font-weight: 600;
    color: #1a202c;
    font-size: 1.1rem;
}

/* Download Section */
.download-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #007AFF 0%, #0056CC 100%);
    color: white;
    text-align: center;
}

.download-content h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 25px;
}

.download-content p {
    font-size: 1.3rem;
    margin-bottom: 50px;
    opacity: 0.95;
}

.download-note {
    margin-top: 25px;
    font-size: 1rem;
    opacity: 0.8;
}

/* Footer */
.footer {
    background: #1a202c;
    color: white;
    padding: 70px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 50px;
    margin-bottom: 50px;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 25px;
    color: #007AFF;
    font-size: 1.4rem;
}

.footer-section p {
    color: #cbd5e0;
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section ul li a {
    color: #cbd5e0;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #007AFF;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #2d3748;
    color: #a0aec0;
    font-size: 0.95rem;
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
        padding: 0 20px;
    }
    
    .hero-content,
    .hero-media {
        width: 100%;
        margin: 0 auto;
    }

    .hero-title {
        font-size: 2.5rem;
        line-height: 1.2;
    }
    .hero-subtitle {
        font-size: 1rem;
        line-height: 1.5;
    }
    
    .hero-button {
        font-size: 1rem;
        padding: 12px 24px;
    }
    .steps-container {
        grid-template-columns: 1fr;
        gap: 60px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        gap: 20px;
    }
    .nav-links a {
        font-size: 0.9rem;
    }
    .hero-title {
        font-size: 2.8rem;
    }
    .hero-subtitle {
        font-size: 1.1rem;
    }
    .section-title {
        font-size: 2.5rem;
    }
    .features-grid,
    .testimonials-grid,
    .footer-content {
        gap: 30px;
    }
    .feature-card,
    .testimonial {
        padding: 35px 25px;
    }
    .download-content h2 {
        font-size: 2.5rem;
    }
    .download-content p {
        font-size: 1.1rem;
    }
    .steps-container {
        grid-template-columns: 1fr;
        gap: 50px;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 15px;
        height: 70px;
    }
    .logo h1 {
        font-size: 1.5rem;
    }

    .nav-links a:not(.cta-button) {
        display: none;
    }
    
    .container {
        padding: 0 15px;
    }
    .hero {
        padding: 120px 0 80px;
    }
    .hero-title {
        font-size: 2.2rem;
    }
    .hero-subtitle {
        font-size: 1rem;
    }
    .download-btn {
        padding: 15px 25px;
        font-size: 1.1rem;
    }
    .app-icon {
        width: 40px;
        height: 40px;
    }
    .section-title {
        font-size: 2rem;
        margin-bottom: 50px;
    }
    .feature-card,
    .testimonial {
        padding: 30px 20px;
    }
    .feature-icon {
        font-size: 3rem;
    }
    .feature-card h3 {
        font-size: 1.4rem;
    }
    .step-content h3 {
        font-size: 1.6rem;
    }
    .step-content p {
        font-size: 1rem;
    }
    .download-content h2 {
        font-size: 2rem;
    }
    .download-content p {
        font-size: 1rem;
    }
    .footer-section h3,
    .footer-section h4 {
        font-size: 1.2rem;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-card,
.testimonial,
.step {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.feature-card.animated,
.testimonial.animated,
.step.animated {
    animation: fadeInUp 0.8s ease-out forwards;
}

/* Phone Mockup specific styles */
.phone-mockup {
    position: relative;
    width: 100%;
    max-width: 650px; /* Increased from 600px to allow even more space */
    height: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-image {
    position: absolute;
    width: 55%; /* Reduced from 60% to make phones smaller and create more space */
    height: auto;
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.2);
    border-radius: 25px;
    transition: transform 0.5s ease;
    /* Removed background: white to eliminate background */
}

.phone-image-left {
    transform: rotate(-10deg) translateX(-100px); /* Increased from -80px to -100px for more distance */
    z-index: 2;
}

.phone-image-right {
    transform: rotate(10deg) translateX(100px); /* Increased from 80px to 100px for more distance */
    z-index: 1;
}

.phone-mockup:hover .phone-image-left {
    transform: rotate(-12deg) translateX(-110px) scale(1.02); /* Increased from -90px to -110px */
}

.phone-mockup:hover .phone-image-right {
    transform: rotate(8deg) translateX(110px) scale(1.02); /* Increased from 90px to 110px */
}


.video-preview-section {
    padding: 100px 0;
    background-color: white;
    text-align: center;
}

.video-wrapper {
    /* DEĞİŞİKLİKLER BURADA */
    width: 80%;               /* Genişliği, içinde bulunduğu container'ın %80'i yapar. Bu sayede orantılı olur. */
    max-width: 850px;         /* Genişlik %80 olsa bile 850px'den daha fazla büyümesini engeller. */
    /* DİĞER STİLLER AYNI KALIYOR */
    margin: 0 auto;
    border-radius: 25px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    overflow: hidden;
    position: relative;
    border: 1px solid #e0e0e0;
}

.video-wrapper video {
    width: 100%;
    height: auto;
    display: block;
}