/* --- Değişkenler ve Genel Ayarlar --- */
:root {
    --color-purple: #8e44ad;
    --color-blue: #3498db;
    --color-pink: #e84393;
    --color-black: #0a0a0b;
    --color-surface: #1a1a1d;
    --color-text: #ecf0f1;
    --font-family: 'Poppins', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-black);
    color: var(--color-text);
}

/* --- Header & Navigasyon --- */
header {
    background-color: rgba(10, 10, 11, 0.8);
    backdrop-filter: blur(10px);
    padding: 1rem 5%;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--color-surface);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-text);
    text-decoration: none;
}
.logo span {
    color: var(--color-purple);
    text-shadow: 0 0 5px var(--color-pink);
}

nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
}
nav ul li a {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}
nav ul li a:hover {
    color: var(--color-pink);
}

/* --- Hero Bölümü --- */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 5%;
    background: linear-gradient(135deg, rgba(142, 68, 173, 0.1), rgba(52, 152, 219, 0.1)), var(--color-black);
    position: relative;
    overflow: hidden;
}

.hero-content h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
    background: linear-gradient(90deg, var(--color-pink), var(--color-blue), var(--color-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradient-animation 5s ease infinite;
    background-size: 200% 200%;
}

@keyframes gradient-animation {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}


.hero-content p {
    font-size: 1.2rem;
    max-width: 650px;
    margin: 0 auto 2rem auto;
    color: #bdc3c7;
}

.cta-button {
    background: linear-gradient(90deg, var(--color-purple), var(--color-pink));
    color: white;
    padding: 15px 35px;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: none;
}
.cta-button:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px var(--color-pink);
}

/* --- Genel Bölüm Ayarları --- */
.features-section, .pricing-section, .faq-section {
    padding: 5rem 5%;
    text-align: center;
}
.features-section h2, .pricing-section h2, .faq-section h2 {
    font-size: 2.8rem;
    margin-bottom: 3rem;
}

/* --- Özellikler Bölümü --- */
.features-section {
    background-color: var(--color-surface);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}
.feature-card {
    background-color: var(--color-black);
    padding: 2.5rem;
    border-radius: 10px;
    border: 1px solid #2c3e50;
}
.feature-card i {
    font-size: 3rem;
    color: var(--color-blue);
    margin-bottom: 1rem;
}
.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

/* --- Fiyatlandırma Bölümü --- */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    align-items: center;
}
.pricing-card {
    background-color: var(--color-surface);
    padding: 2.5rem;
    border-radius: 15px;
    border: 1px solid #2c3e50;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
}
.pricing-card:hover {
    transform: translateY(-10px);
}
.pricing-card.popular {
    border: 2px solid var(--color-purple);
    transform: scale(1.05);
}
.pricing-card.popular:hover {
    transform: scale(1.1);
    box-shadow: 0 0 25px rgba(142, 68, 173, 0.7);
}
.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(90deg, var(--color-purple), var(--color-pink));
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
}
.pricing-card h3 { font-size: 1.8rem; }
.price { font-size: 3rem; font-weight: 700; margin: 1rem 0; color: var(--color-blue); }
.price span { font-size: 1rem; color: #bdc3c7; }
.pricing-card ul { list-style: none; margin-bottom: 2rem; }
.pricing-card ul li { margin-bottom: 1rem; }
.pricing-card ul li i { color: var(--color-purple); margin-right: 10px; }
.pricing-card ul li i.fa-times { color: #7f8c8d; }

.cta-button-outline {
    background: transparent;
    color: var(--color-pink);
    border: 2px solid var(--color-pink);
    padding: 13px 35px;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    transition: background-color 0.3s ease, color 0.3s ease;
}
.cta-button-outline:hover {
    background-color: var(--color-pink);
    color: white;
}

/* --- SSS Bölümü --- */
.faq-section { background-color: var(--color-surface); }
.faq-container { max-width: 800px; margin: 0 auto; text-align: left; }
.faq-item {
    background-color: var(--color-black);
    margin-bottom: 1rem;
    border-radius: 5px;
    border: 1px solid #2c3e50;
}
.faq-question {
    padding: 1.5rem;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.faq-question i { transition: transform 0.3s ease; }
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease-out;
}
.faq-answer p { padding: 0 1.5rem 1.5rem; line-height: 1.7; color: #bdc3c7; }
.faq-item.active .faq-answer { max-height: 200px; }
.faq-item.active .faq-question i { transform: rotate(180deg); }

/* --- Footer --- */
footer {
    background-color: var(--color-black);
    text-align: center;
    padding-top: 4rem;
}
.footer-content h3 { font-size: 2rem; margin-bottom: 1.5rem; }
.social-links { margin-top: 2rem; }
.social-links a {
    color: var(--color-text);
    font-size: 1.5rem;
    margin: 0 1rem;
    transition: color 0.3s ease;
}
.social-links a:hover { color: var(--color-pink); }
.footer-bottom {
    padding: 1.5rem;
    margin-top: 3rem;
    border-top: 1px solid var(--color-surface);
    color: #7f8c8d;
}