/* ============================================
   S-BANK VANILLA - COMPLETE STYLING
   Tribute.tg Inspired Design - Matches React
   ============================================ */

:root {
    --primary: #1E88E5;
    --primary-dark: #1565C0;
    --background: #F5F7FA;
    --foreground: #1A1A1A;
    --card-bg: #FFFFFF;
    --border: #E0E0E0;
    --muted: #616161;
    --light-blue: #E3F2FD;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
    
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background-color: var(--background);
    color: var(--foreground);
    line-height: 1.6;
    font-size: 16px;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); }

p { margin-bottom: var(--spacing-md); }

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover { color: var(--primary-dark); }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

@media (max-width: 768px) {
    .container { padding: 0 var(--spacing-md); }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 136, 229, 0.3);
}

.btn-primary:active { transform: translateY(0); }

.btn-large {
    padding: var(--spacing-lg) var(--spacing-xl);
    font-size: 1.125rem;
}

.btn-full { width: 100%; }

.btn-small {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
}

/* Header */
.header {
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border);
    padding: var(--spacing-lg) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

@media (max-width: 768px) {
    .header { padding: var(--spacing-md) 0; }
    .logo { font-size: 1.25rem; }
}

/* Hero Section */
.hero {
    background-color: var(--card-bg);
    padding: var(--spacing-2xl) 0;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.hero-text {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.badge {
    display: inline-block;
    background-color: var(--primary);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    width: fit-content;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
}

.highlight { color: var(--primary); }

.hero-description {
    font-size: 1.125rem;
    color: var(--muted);
    line-height: 1.8;
}

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

.hero-image img {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

@media (max-width: 768px) {
    .hero { padding: var(--spacing-xl) 0; }
    .hero-content { grid-template-columns: 1fr; gap: var(--spacing-xl); }
    .hero-image { order: -1; }
}

/* Features Section */
.features {
    background-color: var(--light-blue);
    padding: var(--spacing-2xl) 0;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 3rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    text-align: center;
    color: var(--muted);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-2xl);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    background-color: var(--card-bg);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--foreground);
}

.feature-card p {
    color: var(--muted);
    font-size: 0.95rem;
}

/* Stats Section */
.stats {
    background-color: var(--card-bg);
    padding: var(--spacing-2xl) 0;
}

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

.stat-item { padding: var(--spacing-xl); }

.stat-number {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    color: var(--muted);
    font-size: 1rem;
}

/* Calculator Section */
.calculator {
    background-color: var(--card-bg);
    padding: var(--spacing-2xl) 0;
}

.calculator-box {
    background-color: var(--light-blue);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid #BBDEFB;
    max-width: 600px;
    margin: 0 auto;
}

.calculator-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.calc-column {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.calc-label {
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--foreground);
}

.calc-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.calc-input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 1.75rem;
    font-weight: 700;
    border: 2px solid var(--primary);
    border-radius: var(--radius-md);
    background-color: white;
    color: var(--primary);
    text-align: center;
    transition: var(--transition);
}

.calc-input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(30, 136, 229, 0.1);
}

.calc-currency {
    position: absolute;
    right: var(--spacing-lg);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    pointer-events: none;
}

.calc-hint {
    font-size: 0.875rem;
    color: var(--muted);
}

.calc-slider-section {
    padding: var(--spacing-xl) 0;
    border-top: 1px solid #BBDEFB;
    border-bottom: 1px solid #BBDEFB;
    margin: var(--spacing-xl) 0;
}

.calc-slider {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: linear-gradient(to right, var(--primary), var(--primary-dark));
    outline: none;
    -webkit-appearance: none;
    margin: var(--spacing-lg) 0;
}

.calc-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.calc-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.preset-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

@media (max-width: 768px) {
    .preset-buttons { grid-template-columns: repeat(4, 1fr); }
}

.preset-btn {
    padding: var(--spacing-md) var(--spacing-sm);
    background-color: white;
    border: 2px solid var(--primary);
    color: var(--primary);
    border-radius: var(--radius-md);
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
}

.preset-btn:hover,
.preset-btn.active {
    background-color: var(--primary);
    color: white;
}

@media (max-width: 768px) {
    .calculator-grid { grid-template-columns: 1fr; }
    .calculator-box { padding: var(--spacing-lg); }
}

/* Reviews Section */
.reviews {
    background-color: var(--light-blue);
    padding: var(--spacing-2xl) 0;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.review-card {
    background-color: var(--card-bg);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.review-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.review-stars {
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
    letter-spacing: 2px;
}

.review-text {
    font-size: 0.95rem;
    color: var(--muted);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.review-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.author-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    flex-shrink: 0;
}

.author-name {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--foreground);
    margin: 0;
}

.author-role {
    font-size: 0.85rem;
    color: var(--muted);
    margin: 0;
}

/* FAQ Section */
.faq {
    background-color: var(--card-bg);
    padding: var(--spacing-2xl) 0;
}

.faq-list {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.faq-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background-color: var(--card-bg);
    transition: var(--transition);
}

.faq-item:hover { box-shadow: var(--shadow); }

.faq-trigger {
    width: 100%;
    padding: var(--spacing-lg);
    background-color: var(--card-bg);
    border: none;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1rem;
    font-weight: 600;
    color: var(--foreground);
    transition: var(--transition);
}

.faq-trigger:hover {
    background-color: var(--light-blue);
    color: var(--primary);
}

.faq-icon {
    transition: var(--transition);
    flex-shrink: 0;
}

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

.faq-content {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    color: var(--muted);
    display: none;
    animation: slideDown 0.3s ease;
}

.faq-item.active .faq-content { display: block; }

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

.faq-content p { margin-bottom: var(--spacing-md); }

.faq-content ol,
.faq-content ul {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.faq-content li { margin-bottom: var(--spacing-sm); }

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

/* Footer */
.footer {
    background-color: var(--foreground);
    color: white;
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-section h4 {
    margin-bottom: var(--spacing-md);
    color: white;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

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

.footer-section li { margin-bottom: var(--spacing-sm); }

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.footer-section a:hover { color: white; }

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

/* Cookie Notice */
.cookie-notice {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--foreground);
    color: white;
    padding: var(--spacing-lg);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

.cookie-notice.hidden { display: none; }

.cookie-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
    flex: 1;
}

.cookie-notice p {
    margin: 0;
    font-size: 0.95rem;
}

@media (max-width: 768px) {
    .cookie-notice {
        flex-direction: column;
        align-items: flex-start;
    }
    .cookie-content { flex-direction: column; width: 100%; }
    .cookie-notice .btn { width: 100%; }
}

@media (max-width: 768px) {
    :root { font-size: 14px; }
    .section-title { font-size: 1.75rem; }
    .features-grid, .reviews-grid, .stats-grid { grid-template-columns: 1fr; }
    .calculator-box { padding: var(--spacing-md); }
    .calc-input { font-size: 1.25rem; }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 1rem;
        --spacing-xl: 1.5rem;
        --spacing-2xl: 2rem;
    }
    .btn { padding: var(--spacing-md) var(--spacing-lg); font-size: 0.95rem; }
    .hero-title { font-size: 1.75rem; }
    .section-title { font-size: 1.5rem; }
}

/* Header Navigation */
.logo-img {
    height: 40px;
    width: auto;
    border-radius: var(--radius-md);
    object-fit: contain;
}

.logo-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.logo-subtitle {
    font-size: 0.75rem;
    color: var(--muted);
    font-weight: 500;
}

.nav {
    display: flex;
    gap: var(--spacing-xl);
    flex: 1;
    margin: 0 var(--spacing-xl);
}

.nav-link {
    color: var(--foreground);
    font-weight: 500;
    transition: var(--transition);
}

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

/* Rating Summary */
.rating-summary {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-xl);
    background-color: var(--light-blue);
    border-radius: var(--radius-lg);
    align-items: center;
}

.rating-display {
    text-align: center;
}

.rating-stars {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
}

.rating-text {
    color: var(--muted);
    font-size: 0.9rem;
    margin: 0;
}

.rating-breakdown {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.rating-row {
    display: grid;
    grid-template-columns: 40px 1fr 30px;
    gap: var(--spacing-md);
    align-items: center;
}

.rating-row span:first-child {
    font-weight: 600;
    color: var(--foreground);
}

.rating-row span:last-child {
    text-align: right;
    color: var(--muted);
    font-weight: 600;
}

.rating-bar {
    height: 8px;
    background-color: #E0E0E0;
    border-radius: 4px;
    overflow: hidden;
}

.rating-fill {
    height: 100%;
    background: linear-gradient(to right, var(--primary), var(--primary-dark));
    border-radius: 4px;
}

/* Updated Review Card */
.review-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.review-date {
    font-size: 0.8rem;
    color: var(--muted);
    margin: 0;
}

.review-author {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--foreground);
    margin: 0;
}

@media (max-width: 768px) {
    .nav { display: none; }
    .header-content { gap: var(--spacing-md); }
    .rating-summary {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

/* Star Ratings */
.review-stars {
    display: flex;
    gap: 2px;
}

.star {
    font-size: 1rem;
    display: inline-block;
}

.star.filled {
    color: #FCD34D;
}

.star.empty {
    color: #D1D5DB;
}

.rating-stars {
    display: flex;
    gap: 2px;
    justify-content: center;
}

.rating-stars .star {
    font-size: 1.5rem;
}

.rating-stars .star.filled {
    color: #FCD34D;
}

.rating-stars .star.empty {
    color: #D1D5DB;
}