:root {
    --bg: #0a192f;
    --primary: #2979FF; /* Elektrik Mavisi */
    --accent: #00E5FF;  /* Cyan */
    --text: #ffffff;
    --glass: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --gold: #FFD700;
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Inter', sans-serif; }

body {
    background-color: var(--bg);
    color: var(--text);
    overflow-x: hidden;
}

.sky-atmosphere {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: -1;
    background: radial-gradient(circle at 50% -20%, #1a3a6c, #0a192f);
}

.floating-element {
    position: absolute; font-size: 3rem; opacity: 0.1;
    animation: floatAround 20s linear infinite;
    transform: translateZ(0);
}
.el-1 { top: 10%; left: 10%; animation-duration: 25s; font-size: 5rem; } 
.el-2 { top: 40%; right: 20%; animation-duration: 18s; font-size: 4rem; } 
.el-3 { bottom: 10%; left: 30%; animation-duration: 22s; font-size: 3rem; } 

@keyframes floatAround {
    0% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -50px) rotate(10deg); }
    66% { transform: translate(-20px, 20px) rotate(-5deg); }
    100% { transform: translate(0, 0) rotate(0deg); }
}

.sp-navbar {
    display: flex; justify-content: space-between; align-items: center;
    padding: 20px 8%; position: fixed; width: 100%; top: 0; z-index: 100;
    backdrop-filter: blur(15px); border-bottom: 1px solid var(--glass-border);
    background: rgba(10, 25, 47, 0.8); 
}

.brand { display: flex; align-items: center; gap: 15px; }
.back-btn { text-decoration: none; color: #8892b0; font-size: 0.9rem; transition: 0.3s; display: flex; align-items: center; gap: 5px; }
.back-btn:hover { color: white; }
.separator { color: #333; }
.logo { font-weight: 900; font-size: 1.2rem; letter-spacing: -1px; display: flex; align-items: center; gap: 5px;
    background: linear-gradient(45deg, var(--primary), var(--accent)); 
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.logo i { color: var(--primary); -webkit-text-fill-color: var(--primary); }

.download-btn {
    background: var(--primary); color: white; padding: 10px 20px; border-radius: 20px;
    text-decoration: none; font-weight: 700; font-size: 0.9rem; transition: 0.3s;
}
.download-btn:hover { transform: scale(1.05); box-shadow: 0 0 15px rgba(41, 121, 255, 0.5); }


.hero {
    min-height: 100vh; display: flex; align-items: center; justify-content: space-between;
    padding: 120px 8% 50px; position: relative;
}

.hero-content { max-width: 600px; z-index: 2; }

.tag {
    display: inline-block; padding: 6px 16px; background: rgba(41, 121, 255, 0.15);
    color: var(--primary); border-radius: 30px; font-size: 0.85rem; font-weight: 700;
    margin-bottom: 20px; border: 1px solid rgba(41, 121, 255, 0.3);
}

h1 { font-size: 4.5rem; line-height: 1.1; font-weight: 800; margin-bottom: 20px; }
.blue-text {
    background: linear-gradient(to right, var(--accent), var(--primary));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

p { font-size: 1.1rem; color: #8892b0; line-height: 1.6; margin-bottom: 40px; max-width: 500px; }

.download-group { display: flex; gap: 15px; }
.btn {
    display: flex; align-items: center; gap: 10px; padding: 15px 30px;
    border-radius: 12px; text-decoration: none; font-weight: 600; transition: 0.3s;
}
.btn-primary { background: var(--primary); color: white; box-shadow: 0 10px 30px rgba(41, 121, 255, 0.3); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 15px 40px rgba(41, 121, 255, 0.5); }
.btn-outline { border: 1px solid var(--glass-border); color: white; background: var(--glass); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }

.hero-visual { position: relative; z-index: 2; } 
.visual-wrapper { 
    perspective: 1000px; 
    transform-style: preserve-3d;
    position: relative; 
}

.phone-frame {
    width: 320px; height: 650px; background: #000; border-radius: 50px;
    border: 10px solid #1a1a1a; position: relative; overflow: hidden;
    box-shadow: 0 30px 80px rgba(0,0,0,0.5); 
    transition: transform 0.2s ease-out; 
    transform-style: preserve-3d;
    transform: translateZ(0); 
}
.phone-frame.pulse-frame {
    animation: pulseBlue 4s infinite alternate;
}

.screen {
    width: 100%; height: 100%; 
    padding-top: 0; 
    position: relative; 
    background: linear-gradient(180deg, #4fc3f7 0%, #2979FF 100%);
    display: flex; flex-direction: column; align-items: center; color: white;
}

.city-selector {
    position: absolute;
    top: 40px; 
    left: 50%;
    transform: translateX(-50%);
    z-index: 20; 
    display: flex; gap: 10px; 
}

.city-btn {
    background: rgba(255,255,255,0.25); border: 1px solid rgba(255,255,255,0.2); 
    color: white; padding: 6px 14px; border-radius: 20px; font-size: 0.75rem; 
    cursor: pointer; transition: 0.3s; backdrop-filter: blur(5px);
}
.city-btn.active { background: white; color: var(--primary); font-weight: bold; box-shadow: 0 2px 10px rgba(0,0,0,0.1); }
.city-btn:hover { background: rgba(255,255,255,0.4); }

.weather-content { 
    text-align: center; display: flex; flex-direction: column; align-items: center; width: 100%; 
    padding-top: 110px; 
    transition: opacity 0.3s ease; 
}

.temp { font-size: 5rem; font-weight: 900; letter-spacing: -2px; margin-top: 10px; }
.condition { font-size: 1.2rem; font-weight: 500; opacity: 0.9; margin-bottom: 30px; }
.weather-icon-large { font-size: 6rem; margin-bottom: 5px; filter: drop-shadow(0 0 20px rgba(255,255,255,0.5)); animation: pulse 3s infinite; }
.weather-icon-large.glow-active { animation: iconGlow 0.4s ease forwards; }

.ai-card {
    background: rgba(255,255,255,0.9); color: #333; width: 85%; padding: 15px;
    border-radius: 20px; display: flex; flex-direction: column; align-items: center; gap: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2); animation: slideUp 1s ease 0.5s forwards; 
    opacity: 0; transform: translateY(20px);
}
.ai-avatar { width: 35px; height: 35px; background: #000; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; }
.ai-text { font-size: 0.8rem; font-weight: 600; text-align: center; }

.stylist-suggestions {
    display: flex; gap: 10px; margin-top: 10px; justify-content: center;
    font-size: 1.2rem;
}
.stylist-suggestions i {
    background: rgba(41, 121, 255, 0.1); color: var(--primary);
    padding: 8px; border-radius: 10px;
}

.details-row { display: flex; gap: 15px; width: 85%; margin-top: 20px; }
.detail-box { flex: 1; background: rgba(255,255,255,0.15); padding: 10px; border-radius: 15px; text-align: center; backdrop-filter: blur(5px); border: 1px solid rgba(255,255,255,0.1); }
.detail-box span { display: block; font-weight: bold; font-size: 1.1rem; }
.detail-box small { font-size: 0.7rem; opacity: 0.9; }

.screen.sunny { background: linear-gradient(180deg, #4fc3f7 0%, #2979FF 100%); }
.screen.rainy { background: linear-gradient(180deg, #616161 0%, #37474F 100%); }
.screen.night { background: linear-gradient(180deg, #311B92 0%, #6200EA 100%); }

.features { padding: 100px 8%; display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }

.f-card {
    background: var(--glass); border: 1px solid var(--glass-border);
    padding: 40px; border-radius: 24px; transition: 0.4s; position: relative; overflow: hidden;
}
.f-card:hover { 
    transform: translateY(-10px); border-color: var(--primary); 
    background: rgba(41, 121, 255, 0.05); 
    box-shadow: 0 0 15px rgba(41, 121, 255, 0.4), 0 20px 40px rgba(0,0,0,0.5); 
}

.icon-box {
    width: 60px; height: 60px; background: rgba(41, 121, 255, 0.1);
    border-radius: 15px; display: flex; align-items: center; justify-content: center;
    font-size: 1.8rem; color: var(--primary); margin-bottom: 25px;
}

.f-card h3 { font-size: 1.5rem; margin-bottom: 15px; }
.f-card p { color: #8892b0; line-height: 1.6; font-size: 0.95rem; }


.premium-section { padding: 100px 8%; text-align: center; }
.premium-header { margin-bottom: 60px; }
.premium-header h2 { font-size: 2.5rem; margin-bottom: 15px; }
.premium-header p { color: #8892b0; }

.pricing-grid { 
    display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); 
    gap: 30px; max-width: 900px; margin: 0 auto; 
}

.price-card {
    background: var(--glass); border: 1px solid var(--glass-border);
    border-radius: 24px; padding: 40px; text-align: left; transition: 0.3s; position: relative;
}
.price-card.popular {
    border-color: var(--primary); background: rgba(41, 121, 255, 0.03);
    box-shadow: 0 0 30px rgba(41, 121, 255, 0.15); transform: scale(1.05);
}
.pop-badge {
    position: absolute; top: -15px; left: 50%; transform: translateX(-50%);
    background: var(--primary); color: white; padding: 5px 15px; border-radius: 20px;
    font-size: 0.75rem; font-weight: 800; letter-spacing: 1px;
}

.p-head { border-bottom: 1px solid var(--glass-border); padding-bottom: 20px; margin-bottom: 20px; text-align: center; }
.p-head h3 { font-size: 1.2rem; color: #8892b0; margin-bottom: 10px; }
.p-head .price { font-size: 2.5rem; font-weight: 800; color: white; }
.p-head .price small { font-size: 1rem; color: #8892b0; font-weight: 400; }

.p-features { list-style: none; margin-bottom: 30px; }
.p-features li { margin-bottom: 12px; font-size: 0.95rem; display: flex; align-items: center; gap: 10px; color: #ccc; }
.p-features li.disabled { opacity: 0.4; text-decoration: line-through; }
.p-features i { color: var(--primary); }

.btn-price {
    display: block; text-align: center; padding: 12px; border-radius: 12px;
    text-decoration: none; font-weight: 700; transition: 0.3s;
}
.btn-price.outline { border: 1px solid var(--glass-border); color: white; }
.btn-price.outline:hover { border-color: white; }
.btn-price.fill { background: var(--primary); color: white; box-shadow: 0 5px 20px rgba(41, 121, 255, 0.4); }
.btn-price.fill:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(41, 121, 255, 0.6); }


.reviews { padding: 100px 8%; background: rgba(0,0,0,0.2); }
.section-title { text-align: center; font-size: 2.5rem; margin-bottom: 50px; color: white; }
.reviews-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.review-card { 
    background: var(--glass); padding: 30px; border-radius: 20px; border: 1px solid var(--glass-border); 
    transition: 0.3s;
}
.review-card:hover { 
    border-color: var(--primary);
    box-shadow: 0 0 15px rgba(41, 121, 255, 0.3), 0 10px 20px rgba(0,0,0,0.3);
    transform: translateY(-5px);
}
.stars { color: var(--gold); margin-bottom: 15px; }
.user { display: flex; align-items: center; gap: 15px; margin-top: 20px; }
.user-icon { 
    width: 45px; height: 45px; border-radius: 50%; background: rgba(41, 121, 255, 0.1); 
    border: 1px solid var(--primary); display: flex; align-items: center; justify-content: center; 
    font-size: 1.2rem; color: var(--primary); 
}
.user span { font-weight: bold; color: white; font-size: 0.95rem; }

footer { text-align: center; padding: 50px; border-top: 1px solid var(--glass-border); color: #555; font-size: 0.9rem; }

.fade-up { opacity: 0; transform: translateY(30px); transition: 0.8s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }
.delay-3 { transition-delay: 0.6s; }

@keyframes hover { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-20px); } }
@keyframes pulse { 0% { transform: scale(1); } 50% { transform: scale(1.1); } 100% { transform: scale(1); } }
@keyframes iconGlow { 
    0% { filter: drop-shadow(0 0 10px var(--primary)); opacity: 1; } 
    50% { filter: drop-shadow(0 0 30px var(--accent)); opacity: 1; }
    100% { filter: drop-shadow(0 0 10px var(--primary)); opacity: 1; }
}
@keyframes pulseBlue {
    0% { box-shadow: 0 30px 80px rgba(0,0,0,0.5); }
    50% { box-shadow: 0 30px 80px rgba(0,0,0,0.5), 0 0 30px var(--primary); }
    100% { box-shadow: 0 30px 80px rgba(0,0,0,0.5); }
}
@keyframes slideUp { to { opacity: 1; transform: translateY(0); } }

@media (max-width: 768px) {
    .hero { flex-direction: column; text-align: center; padding-top: 120px; }
    .hero-content { margin-bottom: 60px; }
    .download-group { justify-content: center; }
    .hero-visual, .visual-wrapper { transform: scale(0.8); }
    .reviews-grid { grid-template-columns: 1fr; }
    .price-card.popular { transform: scale(1); margin-top: 30px; }
}

/* =========================================
   SKYPULSE MOBİL DÜZELTMESİ
   ========================================= */
@media (max-width: 900px) {
    .sp-navbar { padding: 15px 20px; }
    .logo span { display: inline-block; font-size: 1rem; }
    .download-btn { display: none; } /* Mobilde butonu gizle, yer aç */

    .hero {
        flex-direction: column;
        padding-top: 100px;
        justify-content: start;
        overflow: hidden;
    }

    .hero-content {
        width: 100%;
        text-align: center;
        margin-bottom: 40px;
    }

    .hero-content h1 { font-size: 2.8rem; }

    /* Telefon Görselini Küçült ve Ortala */
    .hero-visual {
        transform: scale(0.75);
        margin-top: -80px; /* Yukarı çek */
        margin-bottom: -50px;
        width: 100%;
        display: flex;
        justify-content: center;
    }

    .phone-frame {
        box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    }
    
    .features { padding: 40px 5%; grid-template-columns: 1fr; }
    .pricing-grid { grid-template-columns: 1fr; width: 100%; }
    
    .price-card.popular {
        transform: scale(1);
        margin: 20px 0;
        border: 2px solid var(--primary);
    }
}