/* Kurumsal kimlik renkleri - PANTONE ve Web renkleri (Soft tonlar) */
:root {
    --primary-color: #3b82f6; /* Soft mavi */
    --primary-dark: #2563eb; /* Orta mavi */
    --primary-darker: #1d4ed8; /* Koyu mavi */
    --secondary-color: #7ac943; /* Web yeşil */
    --accent-color: #ff931e; /* Web turuncu */
    --success-color: #7ac943; /* Web yeşil */
    --warning-color: #ff931e; /* Web turuncu */
    --danger-color: #ff1d25; /* Web kırmızı */
    --light-color: #f8fafc;
    --dark-color: #1e293b;
    --pantone-654: #2e3192; /* PANTONE 654 C */
    --pantone-319: #3fa9f5; /* PANTONE 319 C benzeri */
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Raleway', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

/* User Dropdown Styles */
.nav-user-section {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-dropdown {
    position: relative;
    display: inline-block;
}

.user-name {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white !important;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.user-name:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

.dropdown-content {
    display: none;
    position: absolute;
    right: 0;
    top: 100%;
    margin-top: 1px;
    background: white;
    min-width: 200px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    border-radius: 10px;
    overflow: hidden;
    z-index: 1001;
}

.user-dropdown:hover .dropdown-content {
    display: block;
}

.dropdown-content a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px 20px;
    color: #333;
    text-decoration: none;
    transition: background 0.3s ease;
}

.dropdown-content a:hover {
    background: #f8f9fa;
    color: #667eea;
}

.dropdown-content hr {
    margin: 0;
    border: none;
    border-top: 1px solid #e0e0e0;
}

.nav-link.login-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white !important;
    padding: 10px 20px;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.nav-link.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
    color: white !important;
}

.nav-link.register-btn {
    background: transparent;
    color: #667eea !important;
    border: 2px solid #667eea;
    padding: 8px 18px;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.nav-link.register-btn:hover {
    background: #667eea;
    color: white !important;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.nav-logo i {
    margin-right: 10px;
    font-size: 2rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary-color);
}

.login-btn {
    background: transparent;
    border: 2px solid #2196F3;
    padding: 8px 20px;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.login-btn:hover {
    background: var(--primary-color);
    color: white !important;
}

.register-btn {
    background: var(--primary-color);
    color: white !important;
    padding: 8px 20px;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.register-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav-toggle .bar {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 50%, #1d4ed8 100%);
    color: white;
    padding: 120px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-text p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.hero-buttons .btn-primary {
    background: linear-gradient(135deg, #ffffff, #f8fafc);
    color: #1e40af;
    border: 2px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    font-weight: 600;
    text-shadow: none;
    backdrop-filter: blur(10px);
    width: auto;
    min-width: 200px;
    padding: 15px 35px;
    justify-content: center;
}

.hero-buttons .btn-primary:hover {
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
    color: #1d4ed8;
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

.hero-buttons .btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(15px);
    font-weight: 500;
    width: auto;
    padding: 15px 35px;
    justify-content: center;
}

.hero-buttons .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: white;
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.2);
}

.btn {
    display: inline-block;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
    border: none;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: white;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(255, 255, 255, 0.2);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.pool-visual {
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.pool-visual i {
    font-size: 8rem;
    color: rgba(255, 255, 255, 0.8);
}

/* Features Section */
.features {
    padding: 100px 0;
    background: #f8f9fa;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #333;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.feature-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.feature-icon i {
    font-size: 2rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #333;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
}

/* Sessions Section */
.sessions {
    padding: 100px 0;
    background: white;
}

.sessions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.session-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border-top: 4px solid;
}

.session-card.women {
    border-top-color: #E91E63;
}

.session-card.men {
    border-top-color: #2196F3;
}

.session-card.general {
    border-top-color: #4CAF50;
}

.session-card.course {
    border-top-color: #FF9800;
}

.session-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.session-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.session-card.women .session-icon {
    background: linear-gradient(135deg, #E91E63, #AD1457);
}

.session-card.men .session-icon {
    background: linear-gradient(135deg, #2196F3, #1565C0);
}

.session-card.general .session-icon {
    background: linear-gradient(135deg, #4CAF50, #2E7D32);
}

.session-card.course .session-icon {
    background: linear-gradient(135deg, #FF9800, #E65100);
}

.session-icon i {
    font-size: 1.5rem;
    color: white;
}

.session-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: #333;
}

.session-card p {
    color: #666;
    margin-bottom: 15px;
}

.session-time {
    background: #f8f9fa;
    padding: 10px;
    border-radius: 20px;
    font-weight: bold;
    color: #333;
}

/* Stats Section */
.stats {
    padding: 80px 0;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 50%, #1d4ed8 100%);
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    text-align: center;
}

.stat-item {
    padding: 20px;
}

.stat-number {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Footer */
.footer {
    background: #2c3e50;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
    align-items: start;
}

.footer-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 20px;
}

.footer-logo i {
    margin-right: 10px;
    color: var(--primary-color);
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 20px;
    color: var(--primary-color);
    font-size: 1.2rem;
    font-weight: 600;
}

.footer-section {
    display: flex;
    flex-direction: column;
    min-height: 200px;
}

.footer-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
    display: block;
    padding: 2px 0;
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

.footer-section p {
    color: #bdc3c7;
    line-height: 1.8;
    margin-bottom: 10px;
}

.footer-section p i {
    margin-right: 10px;
    color: var(--primary-color);
    width: 16px;
}

.footer-bottom {
    border-top: 1px solid #34495e;
    padding-top: 20px;
    text-align: center;
    color: #bdc3c7;
}

/* Form Styles */
.form-container {
    max-width: 500px;
    margin: 120px auto 60px;
    padding: 40px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.form-title {
    text-align: center;
    margin-bottom: 30px;
    color: #333;
    font-size: 2rem;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: #333;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #e1e5e9;
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.btn-submit {
    width: 100%;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 50%, #1d4ed8 100%);
    color: white;
    padding: 15px;
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

/* Calendar Styles */
.calendar-container {
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    margin: 120px auto 60px;
    max-width: 1000px;
}

.calendar-header {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 50%, #1d4ed8 100%);
    color: white;
    padding: 30px;
    text-align: center;
}

.calendar-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.calendar-nav button {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    padding: 10px 15px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
}

.calendar-nav button:hover {
    background: rgba(255, 255, 255, 0.3);
}

.calendar-title {
    font-size: 1.5rem;
    font-weight: 600;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
}

.calendar-day-header {
    background: #f8f9fa;
    padding: 15px 10px;
    text-align: center;
    font-weight: 600;
    color: #333;
    border-bottom: 1px solid #e1e5e9;
}

.calendar-day {
    min-height: 120px;
    padding: 10px;
    border: 1px solid #e1e5e9;
    background: white;
}

.calendar-day-number {
    font-weight: 600;
    margin-bottom: 5px;
    color: #333;
}

.calendar-session {
    background: #e3f2fd;
    color: #1976d2;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.8rem;
    margin-bottom: 2px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.calendar-session:hover {
    background: #1976d2;
    color: white;
}

.calendar-session.women {
    background: #fce4ec;
    color: #c2185b;
}

.calendar-session.women:hover {
    background: #c2185b;
    color: white;
}

.calendar-session.men {
    background: #e3f2fd;
    color: #1976d2;
}

.calendar-session.men:hover {
    background: #1976d2;
    color: white;
}

.calendar-session.general {
    background: #e8f5e8;
    color: #388e3c;
}

.calendar-session.general:hover {
    background: #388e3c;
    color: white;
}

.calendar-session.course {
    background: #fff3e0;
    color: #f57c00;
}

.calendar-session.course:hover {
    background: #f57c00;
    color: white;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 20px 0;
        gap: 20px;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }

    .hero-text h1 {
        font-size: 2.5rem;
    }

    .hero-buttons {
        justify-content: center;
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }

    .hero-buttons .btn-primary,
    .hero-buttons .btn-secondary {
        width: 100%;
        max-width: 280px;
        min-width: auto;
    }

    .pool-visual {
        width: 250px;
        height: 250px;
    }

    .pool-visual i {
        font-size: 6rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .sessions-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
    }

    .footer-section {
        min-height: auto;
    }

    .form-container {
        margin: 100px 20px 60px;
        padding: 30px 20px;
    }

    .calendar-container {
        margin: 100px 20px 60px;
    }

    .calendar-grid {
        font-size: 0.9rem;
    }

    .calendar-day {
        min-height: 100px;
        padding: 5px;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .calendar-day {
        min-height: 80px;
        padding: 3px;
    }

    .calendar-session {
        font-size: 0.7rem;
        padding: 1px 4px;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.6s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.6s ease;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}