/* Reset ve Temel Stiller */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-bg: #575C61; /* rgb(0.343, 0.359, 0.381) */
    --color-surface: #6a7074;
    --color-text-on-dark: #F2F4F5;
    --color-muted: #C9D3D5;
    --color-primary: #3E5C61;
    --color-accent: #869C99;
    --color-card: #ffffff;
    --color-button: #8fa19f;
    --color-button-hover: #99a4a4;
    --color-nardo: #9FA0A2; /* Nardo Gray */
}

body {
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: var(--color-bg);
}

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

img {
    max-width: 100%;
    height: auto;
}

/* Header */
header {
    background: var(--color-surface);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 10px 0;
}

.logo img {
    width: 60px;
    height: 60px;
    object-fit: contain;
}

/* Header content centering */
header .container {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-bg) 100%);
    color: white;
    padding: 100px 20px 60px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
}

.hero-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    width: 100%;
    max-width: 1200px;
    margin-bottom: 40px;
}

.card {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    padding: 30px 20px;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    transition: transform 0.3s;
}

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

.card-icon {
    width: 46px;
    height: 46px;
    margin: 0 auto 15px;
}

.card-icon img {
    width: 100%;
    height: 100%;
    filter: brightness(0) invert(1);
}

.card p {
    color: white;
    font-size: 16px;
    margin: 0;
}

.hero-content {
    background: white;
    color: #333;
    padding: 40px;
    border-radius: 20px;
    max-width: 600px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

/* Hero foreground above bg */
.hero .hero-cards,
.hero .hero-content {
    position: relative;
    z-index: 1;
}

.logo-circle {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    margin-bottom: 20px;
    object-fit: cover;
}

.hero-content h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    font-weight: 700;
    color: #3E5C61;
}

.hero-content h2 {
    color: #3E5C61;
    font-size: 1.8rem;
    margin-bottom: 20px;
    font-weight: bold;
}

.hero-content p {
    font-size: 16px;
    line-height: 1.6;
    color: #666;
}

/* Section Styles */
section {
    padding: 80px 0;
}

.how-it-works, .features, .target-users {
    background: var(--color-bg);
    color: white;
}

.how-it-works h1 {
    color: #869C99;
    font-size: 4rem;
    text-align: center;
    margin-bottom: 20px;
    font-weight: 700;
}

.how-it-works p {
    text-align: center;
    font-size: 18px;
    max-width: 800px;
    margin: 0 auto 50px;
    line-height: 1.8;
}

.image-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    justify-content: center;
    max-width: 1000px;
    margin: 0 auto;
}

.gallery-item img {
    width: 100%;
    border-radius: 16px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
    transition: transform 0.3s;
}

.gallery-item img:hover {
    transform: scale(1.05);
}

/* Features Section */
.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.features p {
    text-align: center;
    font-size: 16px;
    margin-bottom: 50px;
    color: var(--color-muted);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background: white;
    border-radius: 20px;
    padding: 24px 20px 30px 20px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.2);
    transition: transform 0.3s;
    color: #333;
}

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

.feature-card img {
    width: 96px;
    height: 96px;
    object-fit: contain;
    display: block;
    margin: 8px auto 12px;
    border-radius: 12px;
}

.feature-card h4 {
    font-size: 1.3rem;
    margin: 20px 20px 10px;
    font-weight: 700;
}

.feature-card p {
    color: #666;
    font-style: italic;
    margin: 0 20px;
}

/* Stats Section */
.stats {
    position: relative;
    background: var(--color-surface);
    color: white;
    overflow: hidden;
}

.stats-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(0deg, rgba(0,0,0,0.45), rgba(0,0,0,0.45)), url("images/camera-cloth-near-notebook-gift.jpg");
    background-position: 50% 20%;
    background-size: cover;
    z-index: 0;
    pointer-events: none;
}

/* Stats foreground above bg */
.stats .container {
    position: relative;
    z-index: 1;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.stat-item {
    text-align: center;
    padding: 20px;
}

.stat-item h3 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: white;
}

.stat-item h6 {
    font-size: 14px;
    font-weight: 400;
    font-style: italic;
    margin-left: 20px;
    color: #ccc;
}

/* Technology Section */
.technology {
    background: linear-gradient(135deg, #566169 0%, #3E5C61 100%);
    color: white;
}

.tech-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.model-image {
    min-height: 400px;
    background-image: url("images/model.png");
    background-position: 50% 50%;
    background-size: 54%;
    background-repeat: no-repeat;
    border-radius: 20px;
}

.tech-content h2 {
    font-size: 3rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.tech-content p {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 30px;
}

.tech-content ul {
    list-style: none;
}

.tech-content li {
    font-size: 16px;
    margin-bottom: 10px;
    padding-left: 20px;
}

.tech-content li:before {
    content: "►";
    color: #478ac9;
    margin-right: 10px;
    margin-left: -20px;
}

/* Target Users Section */
.target-users {
    background: var(--color-bg);
}

.users-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 50px;
    align-items: center;
}

.users-content h2 {
    font-size: 3rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.users-content p {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 30px;
}

.users-content h5 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.users-content ul {
    list-style: none;
    font-size: 16px;
}

.users-content li {
    margin-bottom: 10px;
    padding: 8px 0;
}

.image-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    height: 400px;
}

.grid-image {
    border-radius: 10px;
    overflow: hidden;
}

.grid-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.bg-1 {
    background-image: url("images/business.jpg");
    background-size: cover;
    background-position: center;
}

.bg-2 {
    background-image: url("images/traveller.jpeg");
    background-size: cover;
    background-position: center;
}

/* Contact Section */
.contact {
    background: var(--color-bg);
    color: white;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info {
    background: var(--color-accent);
    padding: 40px;
    border-radius: 20px;
}

.contact-info h6 {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
    color: #ccc;
}

.contact-info h2 {
    font-size: 2.2rem;
    margin-bottom: 25px;
    font-weight: 700;
    line-height: 1.3;
}

.contact-info p {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 30px;
}

.contact-info a {
    color: white;
    text-decoration: none;
}

.social-links {
    display: flex;
    gap: 15px;
    margin: 20px 0;
}

.social-links a {
    display: inline-block;
}

.social-links img {
    width: 28px;
    height: 28px;
    filter: brightness(0) invert(1);
    transition: transform 0.3s;
}

.social-links img:hover {
    transform: scale(1.2);
}

/* Font Awesome icon styling to match images */
.social-links i {
    font-size: 28px;
    color: #fff;
    display: inline-block;
    transition: transform 0.3s;
}

.social-links i:hover {
    transform: scale(1.2);
}

.copyright {
    font-size: 14px;
    color: #ccc;
    margin-top: 20px;
}

.contact-form {
    padding: 20px;
}

.contact-form h2 {
    text-align: center;
    font-size: 3rem;
    margin-bottom: 30px;
}

.contact-form form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-form input,
.contact-form textarea {
    padding: 15px 20px;
    border: none;
    border-radius: 20px;
    font-size: 16px;
    font-family: inherit;
    background: white;
    color: #333;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(71, 138, 201, 0.3);
}

.contact-form button {
    padding: 15px 30px;
    background: var(--color-button);
    color: white;
    border: none;
    border-radius: 20px;
    font-size: 16px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.contact-form button:hover {
    background: var(--color-button-hover);
}

/* Footer */
footer {
    background: var(--color-surface);
    color: white;
    text-align: center;
    padding: 30px 0;
}

footer p {
    font-size: 14px;
    line-height: 1.6;
}

footer a {
    color: white;
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-cards {
        grid-template-columns: 1fr;
    }
    
    .hero-content {
        padding: 30px 20px;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .how-it-works h1 {
        font-size: 2.5rem;
    }
    
    .image-gallery {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 15px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .tech-grid,
    .users-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .model-image {
        min-height: 300px;
    }
    
    .tech-content h2,
    .users-content h2 {
        font-size: 2rem;
    }
    
    .contact-form h2 {
        font-size: 2rem;
    }
    
    .image-grid {
        height: 300px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    section {
        padding: 50px 0;
    }
    
    .hero {
        padding: 80px 15px 40px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-item h3 {
        font-size: 1.8rem;
    }
    
    .contact-info {
        padding: 30px 20px;
    }
}