/* Modern, Profesyonel Tasarım */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1a1a1a;
    --accent-color: #ff6600;
    --text-color: #333;
    --bg-color: #f5f5f5;
    --white: #ffffff;
    --border-color: #e0e0e0;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header */
header {
    background: var(--primary-color);
    color: var(--white);
    padding: 2rem 0;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.tagline {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1.5rem;
}

nav {
    margin-top: 1.5rem;
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

nav a {
    color: var(--white);
    text-decoration: none;
    padding: 0.7rem 1.5rem;
    border-radius: 5px;
    transition: all 0.3s;
    font-weight: 500;
}

nav a:hover {
    background: rgba(255, 255, 255, 0.1);
}

nav a.nav-cta {
    background: var(--accent-color);
}

nav a.nav-cta:hover {
    background: #ff8833;
    transform: translateY(-2px);
}

/* Main Content */
main {
    padding: 2rem 0;
}

section {
    background: var(--white);
    padding: 2.5rem;
    margin: 2rem 0;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, #2a2a2a 100%);
    color: var(--white);
    text-align: center;
}

.hero h2 {
    color: var(--white);
    font-size: 2.2rem;
    margin-bottom: 1rem;
}

.lead {
    font-size: 1.2rem;
    line-height: 1.8;
    opacity: 0.9;
}

/* Typography */
h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
    font-weight: 600;
}

h3 {
    color: var(--primary-color);
    margin-bottom: 0.8rem;
    font-size: 1.3rem;
}

p {
    margin-bottom: 1rem;
}

/* Video Grid */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.video-container {
    position: relative;
    padding-bottom: 56.25%;
    /* 16:9 */
    height: 0;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 10px;
}

/* Features Grid */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature {
    padding: 1.5rem;
    background: var(--bg-color);
    border-radius: 8px;
    text-align: center;
    transition: transform 0.3s;
}

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

.feature h3 {
    color: var(--accent-color);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

/* Usage List */
.usage-list {
    list-style: none;
    padding-left: 0;
}

.usage-list li {
    padding: 0.8rem 0;
    padding-left: 2rem;
    position: relative;
    border-bottom: 1px solid var(--border-color);
}

.usage-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
    font-size: 1.2rem;
}

.usage-list li:last-child {
    border-bottom: none;
}

/* Price Table */
.price-table-wrapper {
    overflow-x: auto;
    margin: 1.5rem 0;
}

.price-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
}

.price-table th,
.price-table td {
    padding: 1.2rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.price-table th {
    background: var(--primary-color);
    color: var(--white);
    font-weight: 600;
}

.price-table tbody tr:hover {
    background: var(--bg-color);
}

/* Factors Grid */
.factors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.factor {
    padding: 1.5rem;
    background: var(--bg-color);
    border-left: 4px solid var(--accent-color);
    border-radius: 5px;
}

.factor h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, var(--primary-color) 0%, #2a2a2a 100%);
    color: var(--white);
    text-align: center;
    padding: 3rem 2.5rem;
}

.cta h2 {
    color: var(--white);
    margin-bottom: 1rem;
}

.button {
    display: inline-block;
    padding: 1.2rem 2.5rem;
    background: var(--accent-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    font-size: 1.1rem;
    margin-top: 1.5rem;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(255, 102, 0, 0.3);
}

.button:hover {
    background: #ff8833;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 102, 0, 0.4);
}

.cta-note {
    margin-top: 1rem;
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Footer */
footer {
    background: var(--primary-color);
    color: var(--white);
    text-align: center;
    padding: 2rem;
    margin-top: 3rem;
}

footer a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
}

footer a:hover {
    text-decoration: underline;
}

footer p {
    margin: 0.5rem 0;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }

    header h1 {
        font-size: 2rem;
    }

    .hero h2 {
        font-size: 1.6rem;
    }

    nav {
        flex-direction: column;
        align-items: center;
    }

    nav a {
        width: 100%;
        max-width: 250px;
        text-align: center;
    }

    section {
        padding: 1.5rem;
    }

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

    .features,
    .factors-grid {
        grid-template-columns: 1fr;
    }

    .price-table th,
    .price-table td {
        padding: 0.8rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 1.6rem;
    }

    .tagline {
        font-size: 1rem;
    }

    .hero h2 {
        font-size: 1.4rem;
    }

    .lead {
        font-size: 1rem;
    }

    h2 {
        font-size: 1.5rem;
    }
}

.price-link {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--accent-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s;
    white-space: nowrap;
}

.price-link:hover {
    background: #ff8833;
    transform: translateX(5px);
    box-shadow: 0 2px 10px rgba(255, 102, 0, 0.3);
}

/* Table içinde link stilini düzelt */
.price-table td {
    text-align: center;
}

.price-table td:last-child {
    text-align: center;
}