/**
 * Kurex.pro - Tanıtım Sayfası
 * Modern, Professional Landing Page Styles
 */

:root {
    --primary: #03989e;
    --primary-dark: #027a7f;
    --primary-light: #00c2cb;
    --secondary: #00c2cb;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #00c2cb;
    --dark: #1e293b;
    --light: #f8fafc;
    --white: #ffffff;
    --gradient-primary: linear-gradient(135deg, #00c2cb 0%, #03989e 100%);
    --gradient-hero: linear-gradient(135deg, #03989e 0%, #00c2cb 100%);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

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

body {
    font-family: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--dark);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Navigation */
.navbar {
    padding: 1.25rem 0;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.98) !important;
}

.navbar-brand {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.navbar-brand:hover {
    transform: scale(1.05);
}

.nav-link {
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    transition: all 0.3s ease;
    position: relative;
    color: #333 !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

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

/* Hero Section */
.hero-section {
    background: var(--gradient-hero);
    padding-top: 120px;
    position: relative;
    overflow: hidden;
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-section .container {
    position: relative;
    z-index: 1;
}

.hero-image {
    position: relative;
    height: 400px;
    min-height: 400px;
}

.floating-card {
    position: absolute;
    background: #fff;
    border-radius: 24px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    animation: float 6s ease-in-out infinite;
    transition: all 0.3s ease;
    border: 1px solid rgba(0,194,203,0.2);
    width: 220px;
}

.floating-card i {
    font-size: 3.5rem;
    color: #00c2cb;
    margin-bottom: 1rem;
}

.floating-card h5 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #111827;
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
}

.floating-card p {
    font-size: 0.9375rem;
    color: #4b5563;
    margin-bottom: 0;
}

.floating-card:nth-child(1) {
    top: 10%;
    left: 0;
    animation-delay: 0s;
}

.floating-card:nth-child(2) {
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    animation-delay: 2s;
}

.floating-card:nth-child(3) {
    bottom: 10%;
    left: 50%;
    transform: translateX(-50%);
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Feature Cards */
.feature-card {
    background: white;
    border-radius: 20px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    height: 100%;
    border: 1px solid #e5e7eb;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 25px 50px -12px rgba(3, 152, 158, 0.25);
    border-color: var(--primary-light);
}

.feature-icon {
    color: var(--primary);
}

/* Section Spacing */
section {
    padding: 5rem 0;
    position: relative;
}

section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(3, 152, 158, 0.2), transparent);
}

/* Buttons */
.btn {
    border-radius: 12px;
    padding: 0.75rem 2rem;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(3, 152, 158, 0.3);
}

.btn:active {
    transform: translateY(-1px);
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

/* Cards */
.card {
    border: none;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* Team Cards */
.team-card {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.team-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.team-avatar {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin: 0 auto 1.5rem;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: white;
}

/* Form Styles */
.form-control {
    border-radius: 10px;
    border: 2px solid #e5e7eb;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(3, 152, 158, 0.1);
}

/* Module Cards */
.module-card {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    height: 100%;
    border-left: 4px solid var(--primary);
}

.module-card:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-lg);
}

.module-icon {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

/* Partner Logos */
.partner-logo {
    filter: grayscale(100%);
    opacity: 0.6;
    transition: all 0.3s ease;
    max-height: 80px;
    width: auto;
}

.partner-logo:hover {
    filter: grayscale(0%);
    opacity: 1;
    transform: scale(1.1);
}

/* Client Logo Cards */
.client-logo-card {
    background: white;
    border-radius: 15px;
    transition: all 0.3s ease;
    border: 2px solid #e5e7eb;
    height: 100%;
}

.client-logo-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(3, 152, 158, 0.15);
    border-color: var(--primary-light);
}

.client-logo-placeholder {
    color: #6b7280;
    transition: color 0.3s ease;
}

.client-logo-card:hover .client-logo-placeholder {
    color: var(--primary);
}

/* Testimonial Cards */
.testimonial-card {
    transition: all 0.3s ease;
    background: white;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1) !important;
}

.testimonial-avatar {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Statistics */
.stat-number {
    font-size: 3rem;
    line-height: 1;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

/* Responsive */
@media (max-width: 991px) {
    .hero-section {
        padding-top: 100px;
        min-height: auto !important;
    }
    
    .hero-modern {
        min-height: auto !important;
        padding: 3rem 0 !important;
    }
    
    .display-3 {
        font-size: 2rem;
        line-height: 1.2;
    }
    
    .display-4 {
        font-size: 1.75rem;
        line-height: 1.3;
    }
    
    .display-5 {
        font-size: 1.5rem;
        line-height: 1.3;
    }
    
    .floating-card {
        position: relative !important;
        margin: 1rem 0;
        transform: none !important;
        animation: none !important;
    }
    
    section {
        padding: 3rem 0;
    }
    
    .section-spacing {
        padding: 3rem 0 !important;
    }
    
    .section-spacing-sm {
        padding: 2.5rem 0 !important;
    }
    
    .content-flow {
        max-width: 100% !important;
    }
    
    .stat-number {
        font-size: 2rem !important;
    }
    
    .step-indicator {
        width: 60px !important;
        height: 60px !important;
        font-size: 1.5rem !important;
    }
    
    .feature-card-modern {
        padding: 1.5rem !important;
        margin-bottom: 1rem;
    }
    
    .testimonial-card-modern {
        padding: 1.5rem !important;
        margin-bottom: 1rem;
    }
    
    .card-soft {
        padding: 1.5rem !important;
    }
    
    .trust-badge {
        font-size: 0.75rem;
        padding: 0.4rem 0.75rem;
        margin-bottom: 0.5rem;
    }
    
    .btn-advanced {
        width: 100%;
        justify-content: center;
    }
    
    .btn-advanced-lg {
        width: 100%;
    }

    /* Navbar mobile improvements */
    .navbar {
        padding: 1rem 0;
    }

    .navbar-brand img {
        height: 40px !important;
    }
}

@media (max-width: 576px) {
    .hero-modern {
        padding: 2rem 0 !important;
    }
    
    .display-3 {
        font-size: 1.75rem;
    }
    
    .display-4 {
        font-size: 1.5rem;
    }
    
    .section-spacing {
        padding: 2rem 0 !important;
    }
    
    .section-spacing-sm {
        padding: 2rem 0 !important;
    }
    
    .stat-number {
        font-size: 1.75rem !important;
    }
    
    .feature-icon-modern {
        width: 48px !important;
        height: 48px !important;
        font-size: 1.5rem !important;
    }
    
    .step-indicator {
        width: 50px !important;
        height: 50px !important;
        font-size: 1.25rem !important;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Utility Classes */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-gradient-primary {
    background: var(--gradient-primary);
}

.shadow-custom {
    box-shadow: var(--shadow-lg);
}

/* Step Number */
.step-number {
    width: 120px;
    height: 120px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(3, 152, 158, 0.1) 0%, rgba(0, 194, 203, 0.1) 100%);
    border-radius: 50%;
    border: 3px solid var(--primary);
}

/* WhatsApp Floating Button - Sol Alt Köşe */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 20px;
    left: 20px;
    background: #25d366;
    color: white;
    border-radius: 50%;
    text-align: center;
    font-size: 30px;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    text-decoration: none;
}

.whatsapp-float:hover {
    background: #20ba5a;
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
    color: white;
}

.whatsapp-float i {
    font-size: 32px;
}

@media (max-width: 768px) {
    .whatsapp-float {
        width: 55px;
        height: 55px;
        bottom: 15px;
        left: 15px;
        font-size: 28px;
    }
    
    .whatsapp-float i {
        font-size: 28px;
    }
}