/* --- TEMA DEĞİŞKENLERİ --- */
:root {
    --bg-dark: #070b14;
    --accent-blue: #00e5ff;
    --accent-dark: #005bb5;
    --text-light: #e2e8f0;
    --text-muted: #94a3b8;
    --glass-bg: rgba(15, 23, 42, 0.6);
    --glass-border: rgba(0, 229, 255, 0.2);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-light);
    overflow-x: hidden;
    /* Ağ efekti hissi veren gradient */
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(0, 229, 255, 0.08), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(0, 91, 181, 0.1), transparent 25%);
}

/* --- PARTİKÜL TUVALİ --- */
#particleCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

/* --- NAVBAR --- */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo span {
    color: var(--accent-blue);
    text-shadow: 0 0 10px var(--accent-blue);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--accent-blue);
}

.btn-demo {
    background: transparent;
    color: var(--accent-blue);
    border: 1px solid var(--accent-blue);
    padding: 10px 20px;
    border-radius: 30px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s;
    box-shadow: 0 0 10px rgba(0, 229, 255, 0.2) inset;
}

.btn-demo:hover {
    background: var(--accent-blue);
    color: var(--bg-dark);
    box-shadow: 0 0 20px var(--accent-blue);
}

/* --- HERO BÖLÜMÜ --- */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 20px;
    margin-top: 50px;
    position: relative;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 20px;
    animation: fadeInDown 1s ease-out;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 800px;
    margin-bottom: 40px;
    animation: fadeInUp 1s ease-out 0.3s both;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.btn-primary {
    background: var(--accent-blue);
    color: var(--bg-dark);
    border: none;
    padding: 15px 30px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    box-shadow: 0 0 15px rgba(0, 229, 255, 0.5);
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 25px rgba(0, 229, 255, 0.8);
}

.btn-secondary {
    background: var(--glass-bg);
    color: #fff;
    border: 1px solid var(--glass-border);
    padding: 15px 30px;
    border-radius: 30px;
    font-size: 16px;
    cursor: pointer;
    backdrop-filter: blur(5px);
    transition: background 0.3s;
}

.btn-secondary:hover {
    background: rgba(0, 229, 255, 0.1);
}

/* --- MODÜLLER (GLASSMORPHISM KARTLARI) --- */
.modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    width: 80%;
    max-width: 1200px;
    margin: -80px auto 100px auto;
    position: relative;
    z-index: 10;
}

.module-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    padding: 30px 20px;
    text-align: center;
    backdrop-filter: blur(15px);
    transition: transform 0.4s, box-shadow 0.4s;
    cursor: pointer;
}

.module-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-blue);
    box-shadow: 0 10px 30px rgba(0, 229, 255, 0.15);
}

.module-icon {
    font-size: 40px;
    margin-bottom: 15px;
    display: block;
}

.module-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: #fff;
}

.module-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* --- ANİMASYONLAR --- */
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.glow-orb {
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(0,229,255,0.15) 0%, transparent 70%);
    border-radius: 50%;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
    z-index: -1;
    animation: pulseGlow 4s infinite alternate;
}

@keyframes pulseGlow {
    from { transform: translateX(-50%) scale(1); opacity: 0.5; }
    to { transform: translateX(-50%) scale(1.2); opacity: 1; }
}
/* --- İLETİŞİM FORMU (Glassmorphism & Neon Uyumlu) --- */
.contact-section {
    padding: 120px 5% 80px 5%;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.contact-container {
    display: flex;
    flex-wrap: wrap;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    backdrop-filter: blur(15px);
    width: 100%;
    max-width: 1000px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

.contact-info {
    flex: 1;
    min-width: 300px;
    background: linear-gradient(135deg, rgba(0, 91, 181, 0.8), rgba(0, 229, 255, 0.2));
    padding: 50px;
    color: #fff;
}

.contact-info h2 { margin-bottom: 20px; font-size: 2rem; }
.info-item { margin-bottom: 20px; display: flex; gap: 12px; font-size: 1.05rem; align-items: center; }

.contact-form {
    flex: 2;
    min-width: 300px;
    padding: 50px;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.form-group { 
    display: flex; 
    flex-direction: column; 
    gap: 8px; 
}

.form-group label { 
    color: var(--text-light); 
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.5px;
}

/* Input ve Textarea için Cam Efekti */
.form-group input, 
.form-group textarea {
    background: rgba(15, 23, 42, 0.4); /* Koyu yarı saydam zemin */
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    padding: 16px 20px;
    color: #fff;
    font-size: 1rem;
    outline: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

/* Placeholder (İpucu metni) rengi */
.form-group input::placeholder, 
.form-group textarea::placeholder {
    color: rgba(148, 163, 184, 0.6);
}

/* Kutulara tıklandığındaki parlama (Focus) efekti */
.form-group input:focus, 
.form-group textarea:focus {
    border-color: var(--accent-blue);
    background: rgba(15, 23, 42, 0.7);
    box-shadow: 0 0 15px rgba(0, 229, 255, 0.15), inset 0 0 10px rgba(0, 229, 255, 0.05);
    transform: translateY(-2px); /* Tıklayınca hafif yukarı kalkma */
}

/* Şık Gönder Butonu */
.btn-submit { 
    background: linear-gradient(135deg, var(--accent-blue), #00b4d8);
    color: var(--bg-dark); 
    border: none; 
    padding: 16px; 
    border-radius: 10px; 
    margin-top: 10px; 
    font-size: 1.1rem;
    font-weight: bold;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.4s ease;
    box-shadow: 0 5px 15px rgba(0, 229, 255, 0.3);
}

.btn-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 229, 255, 0.6);
}

/* =========================================
   MODÜLLER SAYFASI (modul.html) STİLLERİ
========================================= */

.page-header {
    padding: 150px 20px 50px 20px;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.page-header h1 {
    font-size: 2.8rem;
    color: #fff;
    margin-bottom: 15px;
    text-shadow: 0 0 15px rgba(93, 138, 168, 0.5); /* Çakır mavisi parlama */
}

.page-header p {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.detailed-modules-container {
    display: flex;
    flex-direction: column;
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto 100px auto;
    padding: 0 20px;
}

.detailed-card {
    display: flex;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    padding: 40px;
    backdrop-filter: blur(15px);
    transition: transform 0.4s, box-shadow 0.4s;
    gap: 30px;
    align-items: flex-start;
}

.detailed-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-cakir, #5D8AA8);
    box-shadow: 0 10px 30px rgba(93, 138, 168, 0.2);
}

.card-icon {
    font-size: 4rem;
    background: rgba(255, 255, 255, 0.03);
    padding: 20px;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.card-content h2 {
    font-size: 1.8rem;
    color: var(--accent-cakir, #5D8AA8);
    margin-bottom: 10px;
}

.card-content p {
    color: #e2e8f0;
    margin-bottom: 20px;
    line-height: 1.6;
    font-size: 1.05rem;
}

.card-content ul {
    list-style: none;
}

.card-content ul li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 12px;
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

.card-content ul li::before {
    content: '▹';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--accent-cakir, #5D8AA8);
    font-size: 1.2rem;
    font-weight: bold;
}

/* Mobil Uyumluluk (Responsive) */
@media (max-width: 768px) {
    .detailed-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 30px 20px;
    }
    
    .card-content ul li {
        text-align: left;
    }
}

/* --- YENİ NAVBAR DÜZENİ --- */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 5%;
    position: relative; /* Linkleri tam merkeze sabitlemek için kritik */
    z-index: 100;
}

/* Linkleri mutlak merkezleme yöntemi */
.nav-links {
    display: flex;
    gap: 35px;
    list-style: none;
    position: absolute;
    left: 50%;
    transform: translateX(-50%); /* Sağa ve sola eşit boşluk bırakır */
}

/* --- ESTETİK SOSYAL MEDYA İKONLARI --- */
.social-links {
    display: flex;
    gap: 18px;
    align-items: center;
}

.social-links a {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    color: var(--text-light, #e2e8f0);
    /* Düz renk yerine çok hafif, açılı bir cam yansıması (gradient) */
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.01));
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    /* Standart transition yerine Apple/Premium tarzı yay (bounce) efekti */
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); 
    backdrop-filter: blur(10px);
    text-decoration: none;
}

/* İkonların kendi boyutları */
.social-links a svg {
    width: 20px;
    height: 20px;
    transition: all 0.4s ease;
}

/* Üzerine gelindiğinde (Hover) Estetik Parlama */
.social-links a:hover {
    border-color: var(--accent-cakir, #5D8AA8);
    /* Hem dışarıya hem içeriye (inset) çakır mavisi parlama veriyoruz */
    box-shadow: 0 0 15px rgba(93, 138, 168, 0.4), inset 0 0 10px rgba(93, 138, 168, 0.2);
    /* Zemin rengini sabitle, cam efekti kalsın */
    background: rgba(15, 23, 42, 0.5); 
    /* İkon kutusunu hafifçe büyüt ve yukarı kaldır */
    transform: translateY(-4px) scale(1.05);
}

.social-links a:hover svg {
    /* İkonun kendi rengini çakır mavisi yap */
    color: var(--accent-cakir, #5D8AA8);
    /* İkon kutunun içinde hafifçe büyüsün */
    transform: scale(1.15);
}

/* Mobil Cihazlar İçin Uyum (Responsive) */
@media (max-width: 900px) {
    nav {
        flex-direction: column;
        gap: 20px;
    }
    .nav-links {
        position: relative; /* Mobilde merkezlemeyi serbest bırak */
        left: 0;
        transform: none;
        flex-wrap: wrap;
        justify-content: center;
    }
}


/* =========================================
   LİSANS SAYFASI (lisans.html) STİLLERİ
========================================= */
.pricing-container {
    display: flex;
    justify-content: center;
    gap: 30px;
    max-width: 1100px;
    margin: 0 auto 100px auto;
    padding: 0 20px;
    flex-wrap: wrap;
}

.pricing-card {
    flex: 1;
    min-width: 300px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    padding: 40px 30px;
    backdrop-filter: blur(15px);
    text-align: center;
    transition: transform 0.4s, box-shadow 0.4s;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(93, 138, 168, 0.15);
    border-color: rgba(93, 138, 168, 0.5);
}

.pricing-card.popular {
    border-color: var(--accent-cakir, #5D8AA8);
    box-shadow: 0 0 20px rgba(93, 138, 168, 0.2);
    transform: scale(1.05); /* Ortadakini hafif büyük gösterir */
}

.pricing-card.popular:hover {
    transform: scale(1.05) translateY(-10px);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-cakir, #5D8AA8);
    color: #fff;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
    letter-spacing: 1px;
}

.pricing-card h3 { color: #e2e8f0; font-size: 1.4rem; margin-bottom: 15px; }
.pricing-card .price { font-size: 2rem; font-weight: bold; color: var(--accent-cakir, #5D8AA8); margin-bottom: 15px; }
.pricing-card .desc { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 25px; min-height: 40px; }

.pricing-card ul { list-style: none; text-align: left; margin-bottom: 30px; }
.pricing-card ul li { padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,0.05); color: #cbd5e1; font-size: 0.95rem; }
.pricing-card ul li::before { content: '✓'; color: var(--accent-cakir, #5D8AA8); font-weight: bold; margin-right: 10px; }

.btn-plan { width: 100%; padding: 12px; background: transparent; border: 1px solid var(--accent-cakir, #5D8AA8); color: var(--accent-cakir, #5D8AA8); border-radius: 8px; cursor: pointer; font-weight: bold; transition: 0.3s; }
.btn-plan:hover { background: var(--accent-cakir, #5D8AA8); color: #070b14; }
.btn-plan.active { background: var(--accent-cakir, #5D8AA8); color: #070b14; }
.btn-plan.active:hover { background: #4a7491; border-color: #4a7491; color:#fff;}

/* =========================================
   DOKÜMANLAR SAYFASI (dokumanlar.html) STİLLERİ
========================================= */
.search-box {
    margin: 30px auto 0 auto;
    max-width: 600px;
    display: flex;
    gap: 10px;
}

.search-box input {
    flex: 1;
    padding: 15px 20px;
    background: rgba(0,0,0,0.3);
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    color: #fff;
    outline: none;
    backdrop-filter: blur(5px);
    transition: border-color 0.3s;
}

.search-box input:focus { border-color: var(--accent-cakir, #5D8AA8); }

.search-box button {
    padding: 0 30px;
    background: var(--accent-cakir, #5D8AA8);
    color: #070b14;
    border: none;
    border-radius: 30px;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.2s;
}

.search-box button:hover { transform: scale(1.05); background: #4a7491; color:#fff;}

.docs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    max-width: 1000px;
    margin: 0 auto 100px auto;
    padding: 0 20px;
}

.doc-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 30px;
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.doc-card:hover {
    background: rgba(93, 138, 168, 0.1);
    border-color: var(--accent-cakir, #5D8AA8);
    transform: translateY(-5px);
}

.doc-icon { font-size: 2.5rem; margin-bottom: 15px; }
.doc-card h3 { color: var(--accent-cakir, #5D8AA8); margin-bottom: 10px; font-size: 1.2rem; }
.doc-card p { color: var(--text-muted); font-size: 0.95rem; line-height: 1.5; }

/* Mobil Uyumlu Düzenlemeler */
@media (max-width: 900px) {
    .pricing-card.popular { transform: scale(1); }
    .pricing-card.popular:hover { transform: translateY(-5px); }
    .search-box { flex-direction: column; }
    .search-box button { padding: 15px; }
}

.pricing-card.inactive {
    opacity: 0.55; /* Kartı yarı saydam yapar */
    filter: grayscale(80%); /* Renkleri %80 oranında siyah-beyaza çeker */
    border-color: rgba(255, 255, 255, 0.05); /* Çerçeveyi soluklaştırır */
    cursor: not-allowed; /* Farenin ikonunu "yasak" işaretine çevirir */
}

.pricing-card.inactive:hover {
    transform: none; /* Üzerine gelince büyüme efektini iptal eder */
    box-shadow: none; /* Parlamayı iptal eder */
    border-color: rgba(255, 255, 255, 0.05);
}

.pricing-card.inactive ul li::before {
    color: #64748b; /* Tik işaretlerini gri yapar */
}

.soon-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: #334155; /* Koyu mat gri */
    color: #cbd5e1; /* Soluk yazı */
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
    letter-spacing: 1px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-plan.disabled-btn {
    border-color: #475569;
    color: #94a3b8;
    background: transparent;
    pointer-events: none; /* Tıklamaları tamamen engeller */
}