/* Alinzen - Modern AI Metafizik Tedavi Platformu */
/* Kurumsal Renk Paleti - Profesyonel & Güvenilir */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700;800&display=swap');

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

:root {
    /* Ana Kurumsal Renkler */
    --primary-blue: #1E40AF;      /* Koyu Mavi - Ana Marka */
    --primary-navy: #0F172A;      /* Lacivert - Güven */
    --accent-blue: #3B82F6;       /* Açık Mavi - Vurgu */
    
    /* Yardımcı Renkler */
    --success-green: #10B981;     /* Başarı */
    --warning-orange: #F59E0B;    /* Uyarı */
    --error-red: #EF4444;         /* Hata */
    --info-cyan: #06B6D4;         /* Bilgi */
    
    /* Nötr Renkler */
    --white: #FFFFFF;
    --gray-50: #F8FAFC;
    --gray-100: #F1F5F9;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E1;
    --gray-400: #94A3B8;
    --gray-500: #64748B;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1E293B;
    --gray-900: #0F172A;
    
    /* Eski renklerin backward compatibility için mapping */
    --cerise: #EF4444;
    --blue-crayola: #3B82F6;
    --royal-dark-blue: #1E40AF;
    --light-bg: #F8FAFC;
    --text-dark: #1E293B;
    --text-light: #64748B;
    
    /* Kurumsal Gradient'ler - Minimal */
    --gradient-primary: linear-gradient(135deg, #1E40AF 0%, #0F172A 100%);
    --gradient-secondary: linear-gradient(135deg, #3B82F6 0%, #1E40AF 100%);
    --gradient-subtle: linear-gradient(135deg, #F8FAFC 0%, #E2E8F0 100%);
    --gradient-overlay: linear-gradient(135deg, rgba(30, 64, 175, 0.9) 0%, rgba(15, 23, 42, 0.8) 100%);
    
    /* Gölgeler - Yumuşak */
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
    --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.1);
    --shadow-lg: 0 10px 30px rgba(15, 23, 42, 0.12);
    --shadow-xl: 0 20px 40px rgba(15, 23, 42, 0.15);
    
    --border-radius: 12px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 17px;
    line-height: 1.7;
    color: var(--text-dark);
    background-color: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Container */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header - Modern ve Profesyonel */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 35, 102, 0.08);
    padding: 20px 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.header.scrolled {
    box-shadow: var(--shadow-sm);
    padding: 16px 0;
}

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

.logo {
    font-size: 28px;
    font-weight: 800;
    color: var(--royal-dark-blue);
    text-decoration: none;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: url('images/healing-icon.png') center/contain no-repeat;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav {
    display: flex;
    gap: 40px;
    align-items: center;
}

.nav a {
    color: var(--text-dark);
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    padding: 8px 0;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
}

.nav a:hover {
    color: var(--blue-crayola);
    border-bottom-color: var(--blue-crayola);
}

/* Language Switcher */
.language-switcher {
    display: flex;
    align-items: center;
    gap: 8px;
}

.language-switcher a {
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s;
    text-decoration: none;
    color: var(--text-dark);
    border-bottom: none !important; /* Override .nav a border */
}

.language-switcher a.active {
    background: var(--primary-blue);
    color: white;
    box-shadow: 0 2px 8px rgba(30, 64, 175, 0.2);
}

.language-switcher a:not(.active):hover {
    background: var(--gray-100);
    color: var(--primary-blue);
}

/* Language Dropdown */
.language-switcher-dropdown {
    position: relative;
}

.lang-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: linear-gradient(135deg, rgba(0, 35, 102, 0.6), rgba(31, 117, 254, 0.5));
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 10px;
    color: white;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(12px);
}

.lang-dropdown-toggle:hover {
    background: linear-gradient(135deg, rgba(0, 35, 102, 0.8), rgba(31, 117, 254, 0.7));
    border-color: rgba(255, 255, 255, 0.5);
    box-shadow: 0 4px 12px rgba(31, 117, 254, 0.3);
}

.lang-current {
    display: flex;
    align-items: center;
    gap: 6px;
}

.lang-flag {
    font-size: 18px;
    line-height: 1;
}

.lang-name {
    font-size: 14px;
    font-weight: 600;
}

.lang-arrow {
    font-size: 10px;
    transition: transform 0.3s ease;
    margin-left: 4px;
    opacity: 0.9;
}

.lang-dropdown-toggle.active .lang-arrow {
    transform: rotate(180deg);
}

.lang-dropdown-menu {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 35, 102, 0.25), 0 0 0 1px rgba(0, 35, 102, 0.08);
    min-width: 180px;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px) scale(0.95);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    padding: 8px;
}

.lang-dropdown-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 16px 12px 20px;
    color: var(--text-dark);
    text-decoration: none;
    transition: all 0.25s ease;
    border-radius: 8px;
    position: relative;
    margin-bottom: 4px;
}

.lang-option:last-child {
    margin-bottom: 0;
}

.lang-option:hover {
    background: rgba(31, 117, 254, 0.08);
    color: var(--primary-blue);
}

.lang-option.active {
    background: linear-gradient(135deg, rgba(31, 117, 254, 0.12), rgba(20, 184, 166, 0.12));
    color: var(--primary-blue);
    font-weight: 700;
}

.lang-option.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 60%;
    background: linear-gradient(135deg, #1f75fe, #14b8a6);
    border-radius: 0 3px 3px 0;
}

.lang-option .lang-name {
    padding-left: 8px;
}

.lang-check {
    margin-left: auto;
    color: #14b8a6;
    font-weight: 700;
    font-size: 16px;
}

/* Hero Section - Kurumsal & Profesyonel */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: 
        linear-gradient(135deg, rgba(0, 35, 102, 0.95) 0%, rgba(31, 117, 254, 0.9) 100%),
        radial-gradient(circle at 20% 80%, rgba(20, 184, 166, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(147, 51, 234, 0.2) 0%, transparent 50%),
        #001a4d;
    overflow: hidden;
    padding-top: 80px;
}

/* Dalgalı Su Daireleri */
.water-ripples {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
    overflow: hidden;
}

.ripple {
    position: absolute;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: rippleExpand 8s ease-out infinite;
}

.ripple:nth-child(1) {
    top: 15%;
    left: 15%;
    width: 200px;
    height: 200px;
    animation-delay: 0s;
}

.ripple:nth-child(2) {
    top: 50%;
    right: 20%;
    width: 300px;
    height: 300px;
    animation-delay: 2s;
    border-color: rgba(20, 184, 166, 0.15);
}

.ripple:nth-child(3) {
    bottom: 20%;
    left: 40%;
    width: 250px;
    height: 250px;
    animation-delay: 4s;
    border-color: rgba(147, 51, 234, 0.12);
}

.ripple:nth-child(4) {
    top: 30%;
    left: 60%;
    width: 180px;
    height: 180px;
    animation-delay: 1s;
    border-color: rgba(255, 255, 255, 0.08);
}

.ripple:nth-child(5) {
    bottom: 35%;
    right: 15%;
    width: 220px;
    height: 220px;
    animation-delay: 5s;
    border-color: rgba(20, 184, 166, 0.1);
}

.ripple:nth-child(6) {
    top: 60%;
    left: 10%;
    width: 280px;
    height: 280px;
    animation-delay: 3.5s;
    border-color: rgba(255, 255, 255, 0.12);
}

.ripple:nth-child(7) {
    bottom: 10%;
    right: 40%;
    width: 160px;
    height: 160px;
    animation-delay: 6s;
    border-color: rgba(147, 51, 234, 0.15);
}

.ripple:nth-child(8) {
    bottom: 15%;
    left: 8%;
    width: 200px;
    height: 200px;
    animation-delay: 2.5s;
    border-color: rgba(20, 184, 166, 0.13);
}

@keyframes rippleExpand {
    0% {
        transform: scale(0.8);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    100% {
        transform: scale(2.5);
        opacity: 0;
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-text {
    color: var(--white);
}

.hero-title {
    font-size: 68px;
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 28px;
    animation: fadeInUp 0.8s ease;
    letter-spacing: -1.5px;
    color: #ffffff;
}

.hero-title-accent {
    display: block;
    color: #14b8a6;
    margin-top: 8px;
}

.hero-title .gradient-text {
    background: linear-gradient(135deg, #3B82F6 0%, #60A5FA 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 2px 8px rgba(59, 130, 246, 0.3));
}

.hero-description {
    font-size: 20px;
    line-height: 1.7;
    margin-bottom: 40px;
    opacity: 0.95;
    animation: fadeInUp 1s ease;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    animation: fadeInUp 1.2s ease;
    justify-content: center;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px 32px;
    font-size: 17px;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
}

.btn-primary {
    background: var(--primary-blue);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.2);
}

.btn-primary:hover {
    background: #1E3A8A;
    box-shadow: 0 6px 20px rgba(30, 64, 175, 0.3);
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-blue);
    border: 2px solid var(--gray-200);
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.08);
}

.btn-secondary:hover {
    background: var(--gray-50);
    border-color: var(--primary-blue);
    color: var(--primary-blue);
}

.btn-disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.btn-large {
    padding: 20px 40px;
    font-size: 18px;
}

.btn-full {
    width: 100%;
}

/* Products Section - Modern Grid */
.products-section {
    padding: 120px 0;
    background: var(--light-bg);
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 80px;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--gray-100);
    color: var(--primary-blue);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
    border: 1px solid var(--gray-200);
}

.section-badge::before {
    content: '';
    width: 20px;
    height: 20px;
    background: url('images/healing-icon.png') center/contain no-repeat;
}

.section-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--gray-900);
    letter-spacing: -1px;
}

.section-description {
    font-size: 19px;
    color: var(--gray-600);
    line-height: 1.7;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.product-card {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    position: relative;
    border: 1px solid var(--gray-200);
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-blue);
}

.product-image {
    position: relative;
    width: 100%;
    height: 280px;
    overflow: hidden;
    background: var(--gray-100);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-card:hover .product-image img {
    transform: scale(1.05);
}

.product-badge {
    position: absolute;
    top: 15px;
    right: -60px;
    width: 200px;
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    color: white;
    padding: 10px 0;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.5);
    transform: rotate(45deg);
    z-index: 10;
}

.product-info {
    padding: 28px;
}

.product-name {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--gray-900);
}

.product-description {
    font-size: 16px;
    color: var(--gray-600);
    margin-bottom: 24px;
    line-height: 1.6;
}

.product-features {
    margin-bottom: 24px;
}

.product-features li {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    color: var(--gray-700);
    font-size: 15px;
}

.product-features li:before {
    content: "✓";
    color: var(--success-green);
    font-weight: bold;
    font-size: 16px;
}

.product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 24px;
    border-top: 1px solid var(--gray-200);
}

.product-price {
    font-size: 28px;
    font-weight: 800;
    color: var(--primary-blue);
}

.product-price-label {
    font-size: 14px;
    color: var(--gray-500);
    font-weight: 500;
}

/* FAQ Section - Modern Accordion */
.faq-section {
    padding: 120px 0;
    background: var(--white);
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    margin-bottom: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-sm);
}

.faq-question {
    padding: 28px;
    font-size: 19px;
    font-weight: 600;
    color: var(--gray-900);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
}

.faq-icon {
    width: 32px;
    height: 32px;
    background: var(--primary-blue);
    color: white;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: transform 0.3s ease;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(30, 64, 175, 0.2);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 28px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 17px;
    line-height: 1.7;
    color: var(--gray-600);
}

.faq-item.active .faq-answer {
    padding: 0 28px 28px;
    max-height: 600px;
}

/* Footer - Modern ve Minimal */
.footer {
    background: var(--gray-900);
    color: var(--white);
    padding: 80px 0 32px;
    border-top: 1px solid var(--gray-800);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand {
    max-width: 400px;
}

.footer-logo {
    font-size: 28px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 20px;
    display: inline-block;
}

.footer-description {
    font-size: 16px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 24px;
}

.footer-section h3 {
    font-size: 18px;
    margin-bottom: 20px;
    color: var(--white);
    font-weight: 700;
}

.footer-section a {
    display: block;
    font-size: 15px;
    line-height: 2.2;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-section a:hover {
    color: var(--cerise);
    padding-left: 4px;
}

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 15px;
    color: rgba(255, 255, 255, 0.6);
}

/* Step Form - Modern Multi-Step */
.checkout-section {
    padding: 120px 0;
    background: var(--light-bg);
    min-height: 100vh;
}

.checkout-container {
    max-width: 900px;
    margin: 0 auto;
}

.step-indicator {
    display: flex;
    justify-content: space-between;
    margin-bottom: 60px;
    position: relative;
}

.step-indicator::before {
    content: "";
    position: absolute;
    top: 24px;
    left: 0;
    right: 0;
    height: 2px;
    z-index: 0;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    position: relative;
    z-index: 1;
    flex: 1;
}

.step-number {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--white);
    border: 2px solid rgba(147, 51, 234, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 18px;
    color: var(--text-light);
    transition: all 0.3s ease;
}

.step.active .step-number,
.step.completed .step-number {
    background: linear-gradient(135deg, #9333EA 0%, #14B8A6 100%);
    border-color: transparent;
    box-shadow: 0 4px 16px rgba(147, 51, 234, 0.4), 0 0 20px rgba(20, 184, 166, 0.2);
}

.step-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-light);
    text-align: center;
}

.step.active .step-label,
.step.completed .step-label {
    color: var(--royal-dark-blue);
}

.form-step {
    display: none;
    animation: fadeInUp 0.5s ease;
}

.form-step.active {
    display: block;
}

.form-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 48px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 24px;
}

.form-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--royal-dark-blue);
    margin-bottom: 32px;
}

.form-group {
    margin-bottom: 28px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    font-size: 16px;
    color: var(--royal-dark-blue);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 16px 20px;
    font-size: 16px;
    border: 1px solid var(--gray-300);
    border-radius: 12px;
    font-family: inherit;
    transition: all 0.3s ease;
    background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.form-actions {
    display: flex;
    gap: 16px;
    justify-content: space-between;
    margin-top: 32px;
}

.file-upload {
    position: relative;
    background: var(--light-bg);
    border: 2px dashed rgba(0, 35, 102, 0.2);
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.file-upload:hover {
    border-color: var(--healing-purple);
    background: linear-gradient(135deg, rgba(147, 51, 234, 0.05), rgba(20, 184, 166, 0.05));
}

.file-upload input {
    display: none;
}

.file-upload-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.file-upload-text {
    font-size: 16px;
    color: var(--text-dark);
    font-weight: 600;
    margin-bottom: 8px;
}

.file-upload-hint {
    font-size: 14px;
    color: var(--text-light);
}

/* Messages */
.message {
    padding: 20px 24px;
    margin-bottom: 24px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 12px;
}

.message-success {
    background: #d4edda;
    color: #155724;
    border: 2px solid #c3e6cb;
}

.message-error {
    background: #f8d7da;
    color: #721c24;
    border: 2px solid #f5c6cb;
}

.message-info {
    background: #d1ecf1;
    color: #0c5460;
    border: 2px solid #bee5eb;
}

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: var(--royal-dark-blue);
}

/* Responsive - Tablet */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .hero-title {
        font-size: 52px;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

/* Responsive - Mobile */
@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .nav {
        position: fixed;
        top: 96px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 24px;
        gap: 20px;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        align-items: flex-start;
    }

    .nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav a {
        text-align: left;
        width: 100%;
        justify-content: flex-start;
    }

    .language-switcher-dropdown {
        margin-top: 20px;
        width: 100%;
        align-items: flex-start;
    }

    .lang-dropdown-toggle {
        background: white;
        color: var(--text-dark);
        border-color: rgba(0, 0, 0, 0.1);
        justify-content: flex-start;
        text-align: left;
    }

    .lang-dropdown-menu {
        position: static;
        box-shadow: none;
        border: 1px solid rgba(0, 0, 0, 0.1);
        margin-top: 12px;
        width: 100%;
    }

    .lang-dropdown-menu a {
        justify-content: flex-start;
        text-align: left;
    }

    .hero-section {
        min-height: auto;
        padding: 120px 0 80px;
    }

    .hero-content {
        text-align: center;
    }

    .hero-title {
        font-size: 42px;
    }

    .hero-description {
        font-size: 18px;
    }

    .hero-cta {
        flex-direction: column;
    }

    .section-title {
        font-size: 36px;
    }

    .products-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .form-card {
        padding: 32px 24px;
    }

    .step-indicator {
        margin-bottom: 40px;
    }

    .step-label {
        font-size: 12px;
    }

    .step-number {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }

    .form-actions {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 32px;
    }

    .section-title {
        font-size: 28px;
    }

    .product-price {
        font-size: 24px;
    }
}

/* ============================================
   CHECKOUT PAGE STYLES
   ============================================ */

/* Checkout Container */
.checkout-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* Form Steps */
.form-step {
    display: none;
    animation: fadeIn 0.3s ease-in;
}

.form-step.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Step Indicator */
.step-indicator {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 48px;
    position: relative;
}

.step-indicator::before {
    content: '';
    position: absolute;
    top: 28px;
    left: 0;
    right: 0;
    height: 3px;
    z-index: 0;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    position: relative;
    z-index: 1;
    padding: 0 10px;
}

.step-number {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: #e5e7eb;
    color: #9ca3af;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 20px;
    transition: all 0.3s;
}

.step.active .step-number {
    background: linear-gradient(135deg, var(--blue-crayola), var(--royal-dark-blue));
    color: white;
    box-shadow: 0 8px 20px rgba(31, 117, 254, 0.3);
    transform: scale(1.1);
}

.step.completed .step-number {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

.step-label {
    font-size: 13px;
    font-weight: 600;
    color: #6b7280;
    text-align: center;
}

.step.active .step-label {
    color: var(--royal-dark-blue);
}

/* Form Card */
.form-card {
    background: white;
    padding: 48px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.form-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--royal-dark-blue);
    margin-bottom: 32px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--light-bg);
}

/* Form Groups */
.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--royal-dark-blue);
    margin-bottom: 8px;
    font-size: 15px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    font-size: 15px;
    font-family: 'Inter', sans-serif;
    transition: all 0.3s;
    background: white;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--blue-crayola);
    box-shadow: 0 0 0 3px rgba(31, 117, 254, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
    line-height: 1.6;
}

/* File Upload */
.file-upload {
    border: 3px dashed #d1d5db;
    border-radius: 12px;
    padding: 40px 24px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    background: var(--light-bg);
}

.file-upload:hover {
    border-color: var(--blue-crayola);
    background: rgba(31, 117, 254, 0.03);
}

.file-upload input[type="file"] {
    display: none;
}

.file-upload-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.file-upload-text {
    font-size: 16px;
    font-weight: 600;
    color: var(--royal-dark-blue);
    margin-bottom: 8px;
}

.file-upload-hint {
    font-size: 14px;
    color: var(--text-light);
}

/* Invoice Toggle */
.invoice-toggle {
    background: var(--light-bg);
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all 0.3s;
}

.invoice-toggle:hover {
    background: #e5e7eb;
}

.invoice-toggle input[type="checkbox"] {
    width: 24px;
    height: 24px;
    cursor: pointer;
}

.invoice-fields {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.invoice-fields.show {
    max-height: 600px;
}

/* Coupon Section */
.coupon-section {
    background: var(--light-bg);
    padding: 24px;
    border-radius: 12px;
    margin-bottom: 24px;
}

.coupon-input-group {
    display: flex;
    gap: 12px;
    margin-top: 12px;
}

.coupon-input-group input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid #d1d5db;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
}

.discount-applied {
    display: none;
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    padding: 16px;
    border-radius: 8px;
    margin-top: 16px;
    font-weight: 600;
    text-align: center;
}

/* Price Breakdown */
.price-breakdown {
    background: var(--light-bg);
    padding: 24px;
    border-radius: 12px;
    margin-top: 24px;
}

.price-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    font-size: 16px;
}

.price-row.total {
    border-top: 2px solid #d1d5db;
    margin-top: 12px;
    padding-top: 16px;
    font-size: 20px;
    font-weight: 700;
    color: var(--royal-dark-blue);
}

/* KVKK Box */
.kvkk-box {
    background: rgba(31, 117, 254, 0.05);
    border-left: 4px solid var(--blue-crayola);
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 24px;
}

/* Form Actions */
.form-actions {
    display: flex;
    gap: 16px;
    justify-content: space-between;
    margin-top: 32px;
}

.btn-large {
    font-size: 18px;
    padding: 16px 48px;
}

/* Responsive Checkout */
@media (max-width: 768px) {
    .checkout-container {
        padding: 24px 16px;
    }

    .form-card {
        padding: 28px 20px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .form-actions {
        flex-direction: column;
    }

    .form-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .coupon-input-group {
        flex-direction: column;
    }

    .step-indicator {
        overflow-x: auto;
        padding-bottom: 12px;
        gap: 8px;
        justify-content: flex-start;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
    }

    .step-indicator::-webkit-scrollbar {
        height: 4px;
    }

    .step-indicator::-webkit-scrollbar-thumb {
        background: rgba(147, 51, 234, 0.3);
        border-radius: 2px;
    }

    .step {
        min-width: 70px;
        flex-shrink: 0;
    }
    
    .step-number {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    
    .step-label {
        font-size: 11px;
        white-space: nowrap;
    }
}
/* Extra Small Mobiles - Step Indicator tam s��d�r */
@media (max-width: 480px) {
    .step-indicator {
        margin-bottom: 40px;
        padding: 0 4px 12px 4px;
    }

    .step {
        min-width: 60px;
        gap: 8px;
    }
    
    .step-number {
        width: 36px;
        height: 36px;
        font-size: 14px;
        border-radius: 8px;
    }
    
    .step-label {
        font-size: 10px;
        max-width: 60px;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    .step-indicator::before {
        top: 18px;
    }
}