/* --- TEMEL AYARLAR VE RENK PALETİ --- */
:root {
    --mars-red: #ff5f40;
    --mars-dark: #8c2a18;
    --space-black: #050505;
    --star-white: #ffffff;
    --glass-bg: rgba(20, 20, 30, 0.7);
    --glass-border: rgba(255, 95, 64, 0.3);
    --text-grey: #e0e0e0;
    --gold-accent: #ffd700;
}

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

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--space-black);
    color: var(--text-grey);
    line-height: 1.7;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: 'Orbitron', sans-serif;
    color: var(--star-white);
    letter-spacing: 1px;
    margin-bottom: 15px;
}

strong { color: var(--mars-red); }

a { text-decoration: none; transition: 0.3s; }

/* --- ARKA PLAN UZAY ANİMASYONU --- */
.space-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(circle at center, #1b0d0a 0%, #000000 100%);
}

.mars-planet {
    position: fixed;
    top: 10%;
    right: -150px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle at 30% 30%, var(--mars-red), #3e0e05);
    border-radius: 50%;
    box-shadow: -20px 0 100px rgba(255, 95, 64, 0.2);
    z-index: -1;
    opacity: 0.6;
}

.stars {
    width: 1px;
    height: 1px;
    background: white;
    position: absolute;
    box-shadow: 100px 200px white, 500px 100px white, 800px 500px white,
                1200px 300px white, 300px 800px white;
    animation: moveStars 100s linear infinite;
}

@keyframes moveStars {
    from { transform: translateY(0); }
    to { transform: translateY(-1000px); }
}

/* --- HEADER --- */
header {
    padding: 15px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(5, 5, 5, 0.95);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
    border-bottom: 2px solid var(--mars-dark);
}

.logo {
    font-size: 26px;
    font-weight: 700;
    color: var(--mars-red);
    text-transform: uppercase;
}

.logo span { color: white; }

.call-btn {
    background: var(--mars-red);
    color: white;
    padding: 8px 20px;
    border-radius: 4px;
    font-weight: bold;
    font-family: 'Orbitron', sans-serif;
    border: 1px solid white;
}

/* --- HERO BÖLÜMÜ --- */
.hero {
    padding: 140px 5% 80px;
    min-height: 90vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    line-height: 1.2;
    text-shadow: 0 0 20px rgba(255, 95, 64, 0.5);
}

.hero .subtitle {
    font-size: 1.3rem;
    margin-bottom: 30px;
    color: #bbb;
}

/* --- FİYAT KARTI --- */
.price-banner {
    background: linear-gradient(90deg, #3e0e05, var(--mars-dark));
    padding: 20px;
    border-radius: 10px;
    border: 2px solid var(--mars-red);
    display: inline-block;
    margin-bottom: 40px;
    box-shadow: 0 0 30px rgba(255, 95, 64, 0.4);
    transform: skew(-10deg);
}

.price-banner div { transform: skew(10deg); }

.price-amount {
    font-size: 3rem;
    font-weight: bold;
    color: white;
    display: block;
}

.price-unit {
    font-size: 1.2rem;
    color: var(--gold-accent);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* --- BUTONLAR --- */
.big-btn {
    display: inline-block;
    background: white;
    color: black;
    padding: 15px 40px;
    font-size: 1.2rem;
    font-weight: bold;
    border-radius: 50px;
    margin-top: 20px;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

.big-btn:hover { background: var(--mars-red); color: white; }

/* --- İÇERİK KUTULARI (GLASSMORPHISM) --- */
.container {
    max-width: 1100px;
    margin: 0 auto;
}

section { padding: 60px 5%; }

.glass-box {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 40px;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    margin-bottom: 40px;
}

/* --- GRİD YAPISI --- */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.feature-card {
    background: rgba(0,0,0,0.6);
    padding: 25px;
    border-top: 3px solid var(--mars-red);
    border-radius: 8px;
}

/* --- UZUN METİN AYARLARI --- */
.long-text p { margin-bottom: 20px; text-align: justify; }
.long-text ul { margin-bottom: 20px; padding-left: 20px; }
.long-text li { margin-bottom: 10px; }

/* --- MOBİL YAPIŞKAN BUTON --- */
.sticky-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: var(--mars-red);
    padding: 15px;
    text-align: center;
    z-index: 999;
    box-shadow: 0 -5px 20px rgba(0,0,0,0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.sticky-footer a {
    color: white;
    font-size: 1.3rem;
    font-weight: bold;
    font-family: 'Orbitron', sans-serif;
}

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
    .hero h1 { font-size: 2rem; }
    .price-amount { font-size: 2.2rem; }
    .mars-planet { width: 300px; height: 300px; right: -50px; }
    section { padding: 40px 5%; }
    body { padding-bottom: 60px; } /* Buton için boşluk */
}

/* --- NAVİGASYON --- */
.nav-menu {
    display: flex;
    gap: 20px;
}

.nav-menu a {
    color: white;
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    font-family: 'Orbitron', sans-serif;
}

.nav-menu a:hover {
    color: var(--mars-red);
}

@media (max-width: 900px) {
    header {
        flex-direction: column;
        gap: 15px;
        padding-bottom: 15px;
    }

    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }

    .logo { margin-bottom: 5px; }
    .call-btn { display: none; } /* Mobilde header'da yer kaplamasın, sticky footer var */
}

/* --- YENİ BÖLÜMLER İÇİN STİL --- */
.step-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: 0.3s;
}

.step-card:hover {
    background: rgba(255, 95, 64, 0.1);
    border-color: var(--mars-red);
    transform: translateY(-5px);
}

.step-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--mars-red);
    margin-bottom: 10px;
    display: block;
}

.testimonial-card {
    background: var(--glass-bg);
    padding: 25px;
    border-radius: 15px;
    border-left: 4px solid var(--mars-red);
    font-style: italic;
}

.testimonial-author {
    display: block;
    margin-top: 15px;
    color: var(--mars-red);
    font-weight: bold;
    font-style: normal;
    text-align: right;
}

footer a {
    color: #888;
    margin: 0 10px;
    font-size: 0.9rem;
}

footer a:hover { color: var(--mars-red); }

/* --- WHATSAPP BUTONU --- */
.whatsapp-btn {
    position: fixed;
    bottom: 80px; /* Sticky footer'ın üzerinde kalması için */
    right: 20px;
    background-color: #25D366;
    color: white;
    padding: 12px 24px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.4);
    z-index: 1000;
    text-decoration: none;
    font-weight: bold;
    font-family: 'Roboto', sans-serif;
    animation: pulse 2s infinite;
    transition: transform 0.3s;
    border: 2px solid white;
}

.whatsapp-btn:hover {
    transform: scale(1.05);
    background-color: #128C7E;
    color: white;
}

.whatsapp-icon {
    width: 24px;
    height: 24px;
    fill: white;
}

.whatsapp-text {
    font-size: 1rem;
    white-space: nowrap;
}

/* Mobilde sticky footer ile uyum */
@media (max-width: 768px) {
    .whatsapp-btn {
        bottom: 75px;
        right: 15px;
        padding: 10px 20px;
    }
    .whatsapp-text {
        font-size: 0.9rem;
    }
}

/* Pulse animation */
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    70% {
        box-shadow: 0 0 0 20px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}