:root {
    --primary: #0078d7;
    --primary-hover: #0086f0;
    --bg-dark: #121212;
    /* Yeni Modern Koyu Gri */
    --bg-card: #1c1c1e;
    /* Kartlar için Hafif Açık Gri */
    --text-main: #f5f5f7;
    --text-dim: #a1a1a6;
    --accent-glow: rgba(0, 120, 215, 0.12);
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: 'Inter', 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Navbar */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 10%;
    position: absolute;
    width: 100%;
    z-index: 100;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-main);
    text-decoration: none;
}

.logo img {
    height: 32px;
    width: auto;
    object-fit: contain;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

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

.nav-links a:hover {
    color: var(--text-main);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 10%;
    background: radial-gradient(circle at center, var(--accent-glow) 0%, transparent 70%);
}

h1 {
    font-size: 4.5rem;
    font-weight: 800;
    letter-spacing: -2px;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-dim);
    max-width: 900px;
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.cta-group {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 120, 215, 0.3);
}

.btn-secondary {
    border: 1px solid #333;
    color: var(--text-main);
}

.btn-secondary:hover {
    background-color: #222;
}

/* Mockup Display */
.mockup-container {
    max-width: 1300px;
    margin: 5rem auto 0 auto;
    padding: 0 5%;
    position: relative;
    z-index: 10;
    opacity: 0;
    transform: translateY(50px);
    transition: all 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.mockup-container.visible {
    opacity: 1;
    transform: translateY(0);
}

.mockup {
    width: 100%;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6);
    background: #000;
}

.mockup-placeholder {
    width: 100%;
    aspect-ratio: 16/9;
    background: linear-gradient(135deg, #1c1c1e 0%, #121212 100%);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: var(--text-dim);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6);
}

.mockup-placeholder i {
    font-size: 3rem;
    margin-bottom: 1rem;
}

/* Features */
.features {
    padding: 10rem 10%;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.feature-box {
    background-color: var(--bg-card);
    padding: 3rem;
    border-radius: 20px;
    transition: transform 0.3s;
    border: 1px solid #222;
}

.feature-box:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
}

.feature-box i {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    display: block;
}

.feature-box h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.feature-box p {
    color: var(--text-dim);
}

/* Roadmap Styles */
.roadmap-item {
    display: flex;
    gap: 2rem;
    position: relative;
    padding-left: 20px;
}

.roadmap-dot {
    width: 12px;
    height: 12px;
    background: var(--primary);
    border-radius: 50%;
    margin-top: 8px;
    position: relative;
    z-index: 2;
    box-shadow: 0 0 15px var(--primary);
}

.roadmap-item::after {
    content: '';
    position: absolute;
    left: 25px;
    top: 20px;
    bottom: -30px;
    width: 2px;
    background: #222;
}

.roadmap-item:last-child::after {
    display: none;
}

.roadmap-content {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid #222;
    flex: 1;
}

.roadmap-content.highlight {
    border-color: var(--primary);
    background: linear-gradient(145deg, #1c1c1e 0%, #151515 100%);
}

.roadmap-content h4 {
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

/* Footer */
footer {
    padding: 5rem 10%;
    border-top: 1px solid #222;
    text-align: center;
    color: var(--text-dim);
}

footer a {
    color: var(--primary);
    text-decoration: none;
}

/* Responsive Adjustments */
@media (max-width: 1024px) {
    h1 {
        font-size: 3.5rem;
    }

    .hero p {
        max-width: 80%;
        font-size: 1.1rem;
    }
}

@media (max-width: 768px) {
    nav {
        padding: 1.5rem 5%;
    }

    .nav-links {
        display: none;
    }

    /* Hide links on mobile for cleaner look */

    .hero {
        height: auto;
        padding: 8rem 5% 4rem 5%;
    }

    h1 {
        font-size: 2.5rem;
        margin-bottom: 1rem;
    }

    .hero p {
        font-size: 1rem;
        max-width: 100%;
    }

    .cta-group {
        flex-direction: column;
        width: 100%;
        gap: 1rem;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .mockup-container {
        margin: 2rem auto 0 auto;
    }

    .features {
        padding: 5rem 5%;
        gap: 1.5rem;
    }

    .feature-box {
        padding: 2rem;
    }

    .roadmap-item {
        gap: 1rem;
    }

    h2 {
        font-size: 2rem !important;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2.2rem;
    }

    .logo span {
        display: none;
    }

    /* Show only icon logo on very small screens */
}