:root {
    --primary: #6366f1;
    --dark: #0f172a;
    --light: #f8fafc;
}

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    overflow-x: hidden;
}

/* Navbar */
.navbar {
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.9);
}

/* Hero Section */
.hero-section {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #fef2f2 0%, #fff 100%);
    position: relative;
    overflow: hidden;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--dark);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #64748b;
    font-weight: 500;
}

/* Özellik Kartları */
.feature-card {
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s ease;
    height: 100%;
    background: #fff;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
    border-color: var(--primary);
}

.icon-wrapper {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

/* Fiyatlandırma */
.price-card {
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    padding: 3rem 2rem;
    text-align: center;
    position: relative;
    background: #fff;
    transition: 0.3s;
}

.price-card.popular {
    border: 2px solid var(--primary);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.15);
    transform: scale(1.05);
    z-index: 2;
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: #fff;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
}

/* Footer */
footer {
    background: var(--dark);
    color: #94a3b8;
    padding: 4rem 0;
}

footer h6 {
    color: #fff;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

footer a {
    color: #94a3b8;
    text-decoration: none;
    transition: 0.2s;
}

footer a:hover {
    color: #fff;
}

/* Floating Shapes */
.shape {
    position: absolute;
    opacity: 0.1;
    z-index: 0;
}

.shape-1 {
    top: 10%;
    left: -5%;
    width: 300px;
    height: 300px;
    background: var(--primary);
    border-radius: 50%;
    filter: blur(80px);
}

.shape-2 {
    bottom: 10%;
    right: -5%;
    width: 400px;
    height: 400px;
    background: #ef4444;
    border-radius: 50%;
    filter: blur(100px);
}

/* --- MODERN AKORDEON (S.S.S) --- */

.accordion-item {
    border: 1px solid #e2e8f0; /* Çok hafif gri kenarlık */
    border-radius: 16px !important; /* Yuvarlak köşeler */
    margin-bottom: 1rem; /* Kutular arası boşluk */
    overflow: hidden;
    background: #fff;
    transition: all 0.3s ease;
}

/* Hover Efekti: Üzerine gelince kenarlık ana renk olsun ve gölge gelsin */
.accordion-item:hover {
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transform: translateY(-2px);
}

.accordion-button {
    padding: 1.5rem; /* Daha geniş iç boşluk */
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--dark);
    background-color: #fff;
    border: none;
    box-shadow: none !important; /* Bootstrap'in mavi çerçevesini kaldır */
}

/* Açık Durumdaki Başlık */
.accordion-button:not(.collapsed) {
    color: var(--primary); /* Metni mavi yap */
    background-color: #f8fafc; /* Arka planı çok hafif gri yap */
    box-shadow: none;
}

/* Bootstrap Ok İşaretini Özelleştirme */
.accordion-button::after {
    background-size: 1.25rem;
    transition: transform 0.3s ease;
}

/* Açıkken Ok Rengi (SVG filtre ile ana renge çeviriyoruz - Opsiyonel) */
.accordion-button:not(.collapsed)::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%236366f1'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}

.accordion-body {
    padding: 1.5rem;
    padding-top: 0; /* Başlık ile metin arasını daralt */
    color: #64748b; /* Daha yumuşak metin rengi */
    line-height: 1.6;
    background-color: #f8fafc; /* Açık durumdaki başlıkla uyumlu bg */
}

/* --- SCROLL ANIMATION --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- İSTATİSTİK BANDI --- */
.stats-section {
    background-color: var(--dark);
    color: #fff;
    position: relative;
    overflow: hidden;
}
.stat-item h3 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    color: var(--primary); /* Mavi Vurgu */
}
.stat-item p {
    font-size: 0.9rem;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* --- DETAYLI ÖZELLİK GRİDİ --- */
.feature-box {
    padding: 1.5rem;
    border-radius: 12px;
    background: #f8fafc;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}
.feature-box:hover {
    background: #fff;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    border-color: #e2e8f0;
    transform: translateY(-3px);
}
.feature-icon-sm {
    width: 45px;
    height: 45px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin-bottom: 1rem;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
    color: var(--primary);
}

/* --- CTA (SON ÇAĞRI) BANDI --- */
.cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, #4f46e5 100%);
    color: white;
    border-radius: 24px;
    overflow: hidden;
    position: relative;
}
.cta-pattern {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    opacity: 0.1;
    background-image: radial-gradient(#fff 1px, transparent 1px);
    background-size: 20px 20px;
}