/* =================================================================
   NEFES MACRO - Modern & Professional Design
   ================================================================= */

:root {
    /* Primary Colors - Neon Green Theme */
    --primary-color: #00ff88;
    --primary-dark: #00cc6a;
    --primary-light: #33ffaa;
    --secondary-color: #0aff9d;
    
    /* Background Colors */
    --bg-dark: #0a0a0a;
    --bg-darker: #050505;
    --bg-card: rgba(15, 15, 15, 0.95);
    --bg-overlay: rgba(0, 255, 136, 0.05);
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #707070;
    
    /* Border & Shadow */
    --border-color: rgba(0, 255, 136, 0.2);
    --shadow-glow: 0 0 30px rgba(0, 255, 136, 0.3);
    --shadow-strong: 0 8px 40px rgba(0, 255, 136, 0.4);
    
    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-smooth: 0.5s ease;
}

/* =================================================================
   RESET & BASE STYLES
   ================================================================= */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* =================================================================
   ANIMATED BACKGROUND WITH LOGO
   ================================================================= */

.animated-bg {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    background: radial-gradient(ellipse at center, #0a1410 0%, #000000 100%);
}

.animated-bg::before {
    content: '';
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 1400px;
    height: 1400px;
    background-image: url('images/nefes.png');
    background-repeat: no-repeat;
    background-position: center center;
    background-size: contain;
    opacity: 0.12;
    animation: breathe 6s ease-in-out infinite;
    filter: drop-shadow(0 0 120px rgba(0, 255, 136, 0.4));
    pointer-events: none;
    z-index: -1;
}

@keyframes breathe {
    0%, 100% {
        opacity: 0.12;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 0.16;
        transform: translate(-50%, -50%) scale(1.04);
    }
}

.fire-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.fire-particles::before,
.fire-particles::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 255, 136, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s infinite;
}

.fire-particles::before {
    top: -200px;
    left: -200px;
    animation-delay: -5s;
}

.fire-particles::after {
    bottom: -200px;
    right: -200px;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(100px, -100px) scale(1.1);
    }
    66% {
        transform: translate(-100px, 100px) scale(0.9);
    }
}

/* =================================================================
   CONTAINER
   ================================================================= */

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 30px;
}

/* =================================================================
   NAVIGATION
   ================================================================= */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.7);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 20px 0;
    z-index: 1000;
    transition: all var(--transition-fast);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 26px;
    font-weight: 800;
    letter-spacing: -1px;
}

.logo i {
    color: var(--primary-color);
    font-size: 32px;
    filter: drop-shadow(0 0 10px var(--primary-color));
}

.logo-text {
    color: var(--text-primary);
}

.logo .highlight {
    color: var(--primary-color);
    text-shadow: 0 0 20px rgba(0, 255, 136, 0.5);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
    align-items: center;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: all var(--transition-fast);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-fast);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

.btn-nav {
    padding: 10px 24px !important;
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid var(--primary-color);
    border-radius: 8px;
    color: var(--primary-color) !important;
    transition: all var(--transition-fast);
}

.btn-nav::after {
    display: none !important;
}

.btn-nav:hover {
    background: var(--primary-color);
    color: #000 !important;
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-nav.register {
    background: var(--primary-color);
    color: #000 !important;
}

.btn-nav.register:hover {
    background: var(--primary-dark);
}

.btn-nav.logout {
    background: rgba(255, 68, 68, 0.1);
    border-color: #ff4444;
    color: #ff4444 !important;
}

.btn-nav.logout:hover {
    background: #ff4444;
    color: #fff !important;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* =================================================================
   BİLDİRİM MERKEZİ - Tüm cihazlar için (genel stiller)
   ================================================================= */

.notification-bell {
    position: relative;
    font-size: 24px;
    color: var(--text-primary);
    cursor: pointer;
    padding: 10px;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.notification-bell:hover {
    background: rgba(0, 255, 136, 0.1);
    color: var(--primary-color);
}

.notification-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    background: #ff4444;
    color: white;
    font-size: 11px;
    font-weight: bold;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.notification-dropdown {
    position: absolute;
    top: 70px;
    right: 20px;
    width: 380px;
    max-height: 80vh;
    overflow-y: auto;
    background: rgba(15, 15, 15, 0.98);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: var(--shadow-strong);
    z-index: 1000;
    display: none;
    flex-direction: column;
}

.notification-dropdown.active {
    display: flex;
}

.notification-header {
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(0, 255, 136, 0.05);
}

.notification-header h3 {
    margin: 0;
    font-size: 18px;
    color: var(--primary-color);
}

.notification-list {
    flex: 1;
    overflow-y: auto;
}

.notification-item {
    padding: 15px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    display: flex;
    gap: 12px;
    transition: background 0.3s ease;
}

.notification-item:hover {
    background: rgba(0, 255, 136, 0.05);
}

.notification-item.unread {
    background: rgba(0, 255, 136, 0.08);
    border-left: 3px solid var(--primary-color);
}

.notification-item[onclick],
.notification-item[style*="cursor: pointer"] {
    cursor: pointer;
}

.notification-icon {
    font-size: 20px;
    flex-shrink: 0;
    margin-top: 4px;
}

.notification-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.notification-title {
    font-weight: 600;
    color: var(--text-primary);
}

.notification-message {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.4;
}

.notification-time {
    font-size: 12px;
    color: var(--text-muted);
}

.notification-empty {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
}

.notification-empty i {
    font-size: 48px;
    margin-bottom: 15px;
    opacity: 0.3;
}

.notification-footer {
    padding: 12px 20px;
    text-align: center;
    border-top: 1px solid var(--border-color);
    background: rgba(0, 255, 136, 0.03);
}

.notification-footer a {
    color: var(--primary-color);
    font-size: 14px;
    text-decoration: none;
}

.notification-footer a:hover {
    text-decoration: underline;
}

/* =================================================================
   HERO SECTION
   ================================================================= */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 0 80px;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(0, 255, 136, 0.1) 0%, transparent 50%);
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 80px;
    font-weight: 900;
    margin-bottom: 20px;
    line-height: 1.1;
    letter-spacing: -2px;
}

.fire-text {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 40px rgba(0, 255, 136, 0.5));
    animation: glow 3s ease-in-out infinite;
}

@keyframes glow {
    0%, 100% {
        filter: drop-shadow(0 0 40px rgba(0, 255, 136, 0.5));
    }
    50% {
        filter: drop-shadow(0 0 60px rgba(0, 255, 136, 0.8));
    }
}

.hero-subtitle {
    font-size: 28px;
    color: var(--text-primary);
    margin-bottom: 15px;
    font-weight: 600;
}

.hero-description {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 60px;
}

.btn {
    padding: 16px 40px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #000;
    box-shadow: 0 4px 20px rgba(0, 255, 136, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 255, 136, 0.6);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: rgba(0, 255, 136, 0.1);
    transform: translateY(-3px);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: #000;
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 80px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 48px;
    font-weight: 900;
    color: var(--primary-color);
    text-shadow: 0 0 30px rgba(0, 255, 136, 0.5);
    margin-bottom: 8px;
}

.stat-label {
    display: block;
    font-size: 14px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* =================================================================
   SECTIONS
   ================================================================= */

section {
    padding: 100px 0;
    position: relative;
}

.section-title {
    font-size: 50px;
    font-weight: 900;
    text-align: center;
    margin-bottom: 15px;
    letter-spacing: -1px;
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 60px;
}

/* =================================================================
   FEATURES SECTION
   ================================================================= */

.features {
    background: linear-gradient(180deg, transparent 0%, rgba(0, 255, 136, 0.03) 50%, transparent 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.feature-card {
    background: rgba(15, 15, 15, 0.7);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 0%, rgba(0, 255, 136, 0.15) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-smooth);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-strong);
}

.feature-icon {
    font-size: 50px;
    color: var(--primary-color);
    margin-bottom: 25px;
    filter: drop-shadow(0 0 20px rgba(0, 255, 136, 0.5));
    transition: all var(--transition-smooth);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
    filter: drop-shadow(0 0 30px rgba(0, 255, 136, 0.8));
}

.feature-card h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 15px;
}

.feature-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* =================================================================
   PRICING SECTION
   ================================================================= */

.pricing {
    background: transparent;
    position: relative;
}

.pricing::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(0, 255, 136, 0.05) 0%, transparent 70%);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
}

.pricing-card {
    background: rgba(15, 15, 15, 0.6);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 255, 136, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-smooth);
}

.pricing-card:hover::before {
    opacity: 1;
}

.pricing-card:hover {
    transform: translateY(-15px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-strong);
}

.pricing-card.featured {
    border-color: var(--primary-color);
    border-width: 2px;
    box-shadow: 0 0 50px rgba(0, 255, 136, 0.2);
}

.badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--primary-color);
    color: #000;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pricing-header {
    margin-bottom: 30px;
}

.pricing-header h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 5px;
}

.currency {
    font-size: 24px;
    color: var(--text-secondary);
}

.amount {
    font-size: 60px;
    font-weight: 900;
    color: var(--text-primary);
}

.period {
    font-size: 18px;
    color: var(--text-secondary);
}

.pricing-features {
    list-style: none;
    margin: 30px 0;
    text-align: left;
}

.pricing-features li {
    padding: 12px 0;
    font-size: 15px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 12px;
}

.pricing-features i {
    font-size: 16px;
}

.pricing-features .fa-check {
    color: var(--primary-color);
}

.pricing-features .fa-times {
    color: #666;
}

/* =================================================================
   CONTACT SECTION
   ================================================================= */

.contact {
    background: linear-gradient(180deg, transparent 0%, rgba(0, 255, 136, 0.03) 50%, transparent 100%);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 25px;
    background: rgba(15, 15, 15, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: all var(--transition-fast);
}

.contact-item:hover {
    border-color: var(--primary-color);
    transform: translateX(10px);
    box-shadow: var(--shadow-glow);
}

.contact-item i {
    font-size: 28px;
    color: var(--primary-color);
    margin-top: 5px;
}

.contact-item h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.contact-item p {
    font-size: 15px;
    color: var(--text-secondary);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 16px 20px;
    background: rgba(10, 10, 10, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 15px;
    font-family: inherit;
    transition: all var(--transition-fast);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.2);
}

.contact-form textarea {
    resize: vertical;
    min-height: 150px;
}

/* =================================================================
   FOOTER
   ================================================================= */

.footer {
    background: transparent;
    border-top: none;
    padding: 60px 0 30px;
    text-align: center;
}

.footer-content {
    max-width: 600px;
    margin: 0 auto;
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 20px;
}

.footer-logo i {
    color: var(--primary-color);
    font-size: 32px;
    filter: drop-shadow(0 0 10px var(--primary-color));
}

.footer p {
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.social-links a {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--primary-color);
    font-size: 20px;
    transition: all var(--transition-fast);
}

.social-links a:hover {
    background: var(--primary-color);
    color: #000;
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

/* =================================================================
   RESPONSIVE DESIGN
   ================================================================= */

/* Tablet */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 60px;
    }
    
    .section-title {
        font-size: 40px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .animated-bg::before {
        width: 700px;
        height: 700px;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        padding: 40px;
        gap: 30px;
        transition: left var(--transition-fast);
        border-top: 1px solid var(--border-color);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-title {
        font-size: 45px;
    }
    
    .hero-subtitle {
        font-size: 22px;
    }
    
    .hero-description {
        font-size: 16px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 30px;
    }
    
    .features-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 35px;
    }
    
    .animated-bg::before {
        width: 500px;
        height: 500px;
        opacity: 0.06;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .container {
        padding: 0 20px;
    }
    
    .hero-title {
        font-size: 35px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .btn {
        padding: 14px 30px;
        font-size: 14px;
    }
    
    .animated-bg::before {
        width: 350px;
        height: 350px;
        opacity: 0.05;
    }

    /* Mobil için özel bildirim dropdown ayarları */
    .notification-dropdown {
        width: 320px;
        right: 10px;
        left: 10px;
        top: 65px;
    }
}