/* Elite Kuaför & Güzellik Merkezi - Modern CSS */

/* ===============================
   MODERN COLOR PALETTE & VARIABLES
   =============================== */
:root {
    /* Primary Brand Colors */
    --primary-gold: #d4af37;
    --primary-gold-light: #e6c757;
    --primary-gold-dark: #b8941f;
    
    /* Neutral Colors */
    --dark-charcoal: #1a1a1a;
    --medium-gray: #2c3e50;
    --light-gray: #f8f9fa;
    --white: #ffffff;
    --text-primary: #2c3e50;
    --text-secondary: #6c757d;
    
    /* Accent Colors */
    --accent-rose: #f4a261;
    --accent-teal: #2a9d8f;
    --accent-burgundy: #8d2844;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-gold) 0%, var(--primary-gold-dark) 100%);
    --gradient-dark: linear-gradient(135deg, var(--dark-charcoal) 0%, var(--medium-gray) 100%);
    --gradient-overlay: linear-gradient(rgba(26, 26, 26, 0.6), rgba(44, 62, 80, 0.4));
    
    /* Shadows & Effects */
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 8px 30px rgba(0, 0, 0, 0.2);
    --border-radius: 12px;
    --border-radius-lg: 20px;
}

/* ===============================
   TYPOGRAPHY SYSTEM
   =============================== */
body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.7;
    color: var(--text-primary);
    font-weight: 400;
    background-color: var(--white);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', Georgia, serif;
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2.2rem);
}

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

.text-luxury {
    font-family: 'Playfair Display', serif;
    font-style: italic;
    color: var(--primary-gold);
}

/* ===============================
   NAVIGATION STYLES
   =============================== */
.navbar-custom {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 1rem 0;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-light);
}

.navbar-brand {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    font-size: 1.8rem;
    color: var(--primary-gold) !important;
    text-decoration: none;
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
}

.navbar-brand:hover {
    transform: scale(1.05);
    color: var(--primary-gold-dark) !important;
}

.brand-icon {
    font-size: 1.5rem;
    margin-right: 0.5rem;
    animation: rotate 2s linear infinite;
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.brand-text {
    font-weight: 700;
    letter-spacing: -0.02em;
}

.navbar-nav .nav-link {
    font-family: 'Lato', sans-serif;
    font-weight: 500;
    color: var(--text-primary) !important;
    margin: 0 0.5rem;
    padding: 0.5rem 1rem !important;
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
    position: relative;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--primary-gold) !important;
    background: rgba(212, 175, 55, 0.1);
    transform: translateY(-2px);
}

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

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

/* ===============================
   BUTTONS & INTERACTIVE ELEMENTS
   =============================== */
.btn-primary-custom {
    background: var(--gradient-primary);
    border: none;
    padding: 14px 32px;
    border-radius: var(--border-radius);
    font-family: 'Lato', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    color: var(--white);
    box-shadow: var(--shadow-medium);
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.btn-primary-custom:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-heavy);
    color: var(--white);
}

.btn-primary-custom::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-primary-custom:hover::before {
    left: 100%;
}

.btn-secondary-custom {
    background: transparent;
    border: 2px solid var(--primary-gold);
    color: var(--primary-gold);
    padding: 12px 30px;
    border-radius: var(--border-radius);
    font-family: 'Lato', sans-serif;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-secondary-custom:hover {
    background: var(--primary-gold);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

/* ===============================
   HERO SECTION
   =============================== */
.hero-section {
    min-height: 100vh;
    background: var(--gradient-overlay);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://images.unsplash.com/photo-1560066984-138dadb4c035?ixlib=rb-4.0.3&auto=format&fit=crop&w=1974&q=80') center/cover no-repeat;
    z-index: -1;
}

.hero-content {
    z-index: 2;
    text-align: center;
    color: var(--white);
    padding: 2rem 0;
}

.hero-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
    font-family: 'Lato', sans-serif;
    font-size: clamp(1.2rem, 2.5vw, 1.8rem);
    font-weight: 300;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    animation: fadeInUp 1s ease-out 0.3s both;
}

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

/* ===============================
   CARDS & COMPONENTS
   =============================== */
.custom-card {
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-light);
    transition: all 0.4s ease;
    overflow: hidden;
    background: var(--white);
    position: relative;
}

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

.custom-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.card-img-top {
    height: 250px;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.custom-card:hover .card-img-top {
    transform: scale(1.1);
}

.card-body {
    padding: 2rem;
}

.card-title {
    font-family: 'Playfair Display', serif;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.card-text {
    font-family: 'Lato', sans-serif;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===============================
   SECTIONS & LAYOUT
   =============================== */
.section-padding {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.bg-light-custom {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

/* ===============================
   TESTIMONIALS
   =============================== */
.testimonial-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
    margin: 1rem;
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 20px;
    font-family: 'Playfair Display', serif;
    font-size: 4rem;
    color: var(--primary-gold);
    opacity: 0.3;
}

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

.testimonial-text {
    font-family: 'Lato', sans-serif;
    font-style: italic;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

.testimonial-author {
    font-family: 'Playfair Display', serif;
    font-weight: 600;
    color: var(--primary-gold);
}

/* ===============================
   FOOTER
   =============================== */
.footer {
    background: var(--gradient-dark);
    color: var(--white);
    padding: 4rem 0 2rem;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
}

.footer h5 {
    font-family: 'Playfair Display', serif;
    color: var(--primary-gold);
    margin-bottom: 1.5rem;
}

.footer a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer a:hover {
    color: var(--primary-gold);
    transform: translateX(5px);
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: rgba(255, 255, 255, 0.8) !important;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    text-decoration: none;
}

.social-link:hover {
    background: var(--primary-gold);
    color: var(--white) !important;
    transform: translateY(-3px) scale(1.1);
    box-shadow: var(--shadow-medium);
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    font-size: 0.95rem;
}

.brand-title {
    font-family: 'Playfair Display', serif;
    font-weight: 600;
    font-size: 1.5rem;
}

/* ===============================
   RESPONSIVE DESIGN
   =============================== */
@media (max-width: 768px) {
    .hero-section {
        padding: 2rem 0;
    }
    
    .section-padding {
        padding: 3rem 0;
    }
    
    .navbar-brand {
        font-size: 1.5rem;
    }
    
    .custom-card {
        margin-bottom: 2rem;
    }
}

/* ===============================
   UTILITY CLASSES
   =============================== */
.text-gold {
    color: var(--primary-gold) !important;
}

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

.shadow-custom {
    box-shadow: var(--shadow-medium) !important;
}

.border-radius-custom {
    border-radius: var(--border-radius-lg) !important;
}

/* ===============================
   ANIMATIONS
   =============================== */
.fade-in {
    animation: fadeIn 1s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.slide-up {
    animation: slideUp 0.8s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===============================
   PRELOADER
   =============================== */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--white);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease-out;
}

.preloader.hidden {
    opacity: 0;
    pointer-events: none;
}