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

:root {
    --primary: #FF0543;
    --primary-dark: #E6003C;
    --primary-light: #FF3D6B;
    --success: #00D46A;
    --bg: #FFFFFF;
    --bg-gray: #F8F9FA;
    --text: #000000;
    --text-secondary: #6C757D;
    --text-muted: #ADB5BD;
    --border: #E9ECEF;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-hover: 0 8px 24px rgba(255, 5, 67, 0.15);
    --shadow-glow: 0 0 40px rgba(255, 5, 67, 0.2);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

#canvas-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

#root {
    position: relative;
    z-index: 1;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    flex-shrink: 0;
}

.logo-icon svg {
    width: 32px;
    height: 32px;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

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

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 8rem 2rem 4rem;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 900px;
    z-index: 10;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(0, 212, 106, 0.1);
    border: 1px solid rgba(0, 212, 106, 0.2);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--success);
    margin-bottom: 2rem;
}

.live-dot {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { 
        opacity: 1; 
        transform: scale(1); 
    }
    50% { 
        opacity: 0.6; 
        transform: scale(1.3); 
    }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
}

.hero-title .gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(255, 5, 67, 0.3);
}

.btn-secondary {
    background: var(--bg);
    color: var(--primary);
    border: 2px solid var(--primary);
}

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

/* Features Section */
.features {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    text-align: center;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.25rem;
    margin-bottom: 4rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.feature-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 2.5rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--primary-dark));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary);
}

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

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(255, 5, 67, 0.1), rgba(230, 0, 60, 0.1));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--primary);
}

.feature-icon svg {
    width: 32px;
    height: 32px;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text);
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Stats Section */
.stats {
    padding: 6rem 2rem;
    background: var(--bg-gray);
    position: relative;
}

.stats-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
}

.stat-item {
    text-align: center;
}

.stat-value {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.125rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Voucher Section */
.voucher-section {
    padding: 3rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.voucher-container {
    background: var(--bg);
    border: 3px solid var(--primary);
    border-radius: 24px;
    padding: 0;
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(255, 5, 67, 0.15);
    perspective: 1000px;
}

.voucher-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    opacity: 0.3;
}

.voucher-content {
    position: relative;
    z-index: 1;
    padding: 2rem;
    background: var(--bg);
    display: flex;
    gap: 2rem;
    align-items: stretch;
    min-height: 620px;
    height: 620px;
}

.voucher-left {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.voucher-right {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    justify-content: space-between;
}

.voucher-divider-vertical {
    width: 1px;
    background: repeating-linear-gradient(
        to bottom,
        var(--border) 0px,
        var(--border) 10px,
        transparent 10px,
        transparent 20px
    );
    flex-shrink: 0;
}

.calculator-container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 5, 67, 0.03) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

.calculator-container:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-hover);
}

/* Voucher Header */
.voucher-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 1.5rem;
    border-bottom: 2px dashed var(--border);
}

.voucher-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.voucher-logo svg {
    width: 32px;
    height: 32px;
    color: var(--primary);
}

.promo-badge-voucher {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(255, 5, 67, 0.3);
}

.promo-badge-voucher svg {
    width: 18px;
    height: 18px;
}

/* Promo Code Input */
.voucher-promo-input-wrapper {
    margin-top: 1rem;
}

.voucher-promo-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.5rem;
}

.voucher-promo-input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.voucher-promo-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border);
    border-radius: 12px;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text);
    background: var(--bg);
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.voucher-promo-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 5, 67, 0.1);
}

.voucher-promo-input:focus:valid {
    border-color: var(--success);
}

.voucher-promo-check {
    position: absolute;
    right: 1rem;
    width: 24px;
    height: 24px;
    background: var(--success);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 700;
    pointer-events: none;
}

.voucher-promo-error {
    margin-top: 0.5rem;
    font-size: 0.75rem;
    color: var(--primary);
    font-weight: 500;
}

/* Voucher Price Comparison */
.voucher-price-comparison {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.75rem 0.5rem;
    padding: 1.25rem;
    background: linear-gradient(135deg, rgba(255, 5, 67, 0.05), rgba(230, 0, 60, 0.05));
    border-radius: 16px;
    min-height: 100px;
    position: relative;
}

.voucher-price-item {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.voucher-price-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.voucher-price-value {
    font-size: 1.5rem;
    font-weight: 800;
}


.voucher-price-value.new {
    color: var(--primary);
}

.voucher-arrow {
    font-size: 2rem;
    color: var(--primary);
    font-weight: 300;
}

/* Voucher Details */
.voucher-details {
    flex: 1;
}

.voucher-detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    font-size: 0.9375rem;
}

.voucher-detail-label {
    color: var(--text-secondary);
    font-weight: 500;
}

.voucher-detail-value {
    color: var(--text);
    font-weight: 700;
}

/* Voucher Breakdown */
.voucher-breakdown {
    flex: 1;
    height: 180px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    position: relative;
}

.voucher-breakdown-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.875rem 0;
    font-size: 0.9375rem;
    min-height: 2.5rem;
    position: relative;
}

.voucher-breakdown-row.hidden {
    opacity: 0;
    pointer-events: none;
    position: absolute;
    visibility: hidden;
    height: 0;
    padding: 0;
    margin: 0;
}

/* Transaction Input */
.voucher-transaction-input-wrapper {
    margin: 1rem 0;
    padding: 0.75rem 0;
}

.voucher-transaction-label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.voucher-transaction-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border);
    border-radius: 12px;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text);
    background: var(--bg);
    transition: all 0.2s ease;
}

.voucher-transaction-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 5, 67, 0.1);
}

.voucher-breakdown-row.highlight {
    padding: 1rem;
    background: rgba(255, 5, 67, 0.05);
    border-radius: 12px;
    margin: 0.5rem 0;
}

.voucher-breakdown-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.voucher-breakdown-label svg {
    width: 18px;
    height: 18px;
    color: var(--primary);
}

.voucher-breakdown-value {
    font-weight: 700;
    font-size: 1rem;
}

.voucher-breakdown-value.strike {
    text-decoration: line-through;
    color: var(--text-muted);
}

.voucher-breakdown-value.success {
    color: var(--success);
    font-size: 1.125rem;
}

.voucher-breakdown-value.discount {
    color: var(--primary);
    font-size: 1.125rem;
}

/* Voucher Total */
.voucher-total {
    text-align: center;
    padding: 1.25rem;
    background: linear-gradient(135deg, rgba(255, 5, 67, 0.05), rgba(230, 0, 60, 0.05));
    border-radius: 16px;
}

.voucher-total-breakdown {
    margin: 1rem 0;
    padding: 0.75rem 0;
    border-top: 1px solid rgba(255, 5, 67, 0.1);
    border-bottom: 1px solid rgba(255, 5, 67, 0.1);
}

.voucher-total-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    font-size: 0.875rem;
}

.voucher-total-item-label {
    color: var(--text-secondary);
    font-weight: 500;
}

.voucher-total-item-value {
    color: var(--text);
    font-weight: 600;
}

.voucher-total-label {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 600;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.voucher-total-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.voucher-total-main {
    font-size: 2.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.voucher-total-currency {
    font-size: 1.5rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.voucher-savings {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.voucher-savings-amount {
    color: var(--success);
    font-weight: 700;
    font-size: 1rem;
}

.voucher-buy-btn {
    width: 100%;
    padding: 1rem 1.5rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border: none;
    border-radius: 16px;
    font-size: 0.9375rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: 0 8px 24px rgba(255, 5, 67, 0.3);
    transition: all 0.3s ease;
}

.voucher-buy-btn:hover {
    box-shadow: 0 12px 32px rgba(255, 5, 67, 0.4);
}

.voucher-buy-btn svg {
    width: 18px;
    height: 18px;
}

/* Calculator Controls */
.calc-control-group {
    margin-bottom: 1.5rem;
}

.calc-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text);
}

.calc-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 400;
}

.calc-buttons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(60px, 1fr));
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.calc-option-btn {
    padding: 0.625rem 0.75rem;
    background: var(--bg);
    border: 2px solid var(--border);
    border-radius: 10px;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text);
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}

.calc-option-btn:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.calc-option-btn.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-color: var(--primary);
    color: white;
    box-shadow: 0 4px 12px rgba(255, 5, 67, 0.25);
}

.calc-input-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.calc-input {
    flex: 1;
    padding: 0.625rem 0.875rem;
    border: 2px solid var(--border);
    border-radius: 10px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text);
    background: var(--bg);
    transition: all 0.2s ease;
}

.calc-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 5, 67, 0.1);
}

.calc-input-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Calculator Results */
.calc-results {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 2px solid var(--border);
}

.calc-energy-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--bg-gray);
    border-radius: 12px;
    margin-bottom: 1rem;
}

.calc-energy-amount {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.02em;
}

.calc-energy-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.calc-period-info {
    text-align: right;
}

.calc-period-value {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    margin-top: 0.25rem;
}

.calc-price-rows {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.calc-price-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
}

.calc-price-row.highlight {
    padding: 0.5rem;
    background: rgba(255, 5, 67, 0.05);
    border-radius: 10px;
}

.calc-price-label {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.calc-price-label svg {
    width: 16px;
    height: 16px;
    color: var(--primary);
}

.calc-price-value {
    font-weight: 700;
    font-size: 0.9375rem;
}

.calc-price-value.strike {
    text-decoration: line-through;
    color: var(--text-muted);
}

.calc-price-value.success {
    color: var(--success);
}

.calc-price-value.discount {
    color: var(--primary);
    font-size: 1.25rem;
}

.calc-total {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 0.75rem;
    padding: 1rem;
    background: linear-gradient(135deg, rgba(255, 5, 67, 0.05), rgba(230, 0, 60, 0.05));
    border-radius: 12px;
}

.calc-total-label {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
}

.calc-total-price {
    display: flex;
    align-items: baseline;
    gap: 0.375rem;
}

.calc-total-main {
    font-size: 1.75rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.calc-total-currency {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.calc-savings {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background: rgba(0, 212, 106, 0.1);
    border-radius: 10px;
    margin-bottom: 1rem;
}

.calc-savings-label {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.calc-savings-amount {
    font-size: 1rem;
    font-weight: 700;
    color: var(--success);
}

.calc-buy-btn {
    width: 100%;
    padding: 0.875rem 1.5rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 0.9375rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: var(--shadow-glow);
    transition: all 0.3s ease;
    margin-bottom: 0.75rem;
}

.calc-buy-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 5, 67, 0.4);
}

.calc-buy-btn svg {
    width: 18px;
    height: 18px;
}

.calc-info {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-secondary);
    padding: 0.5rem;
}

/* Footer */
.footer {
    padding: 4rem 2rem 2rem;
    background: var(--bg-gray);
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    .header-content {
        padding: 1rem 1.5rem;
    }
    
    .logo {
        font-size: 1.25rem;
        gap: 0.5rem;
    }
    
    .logo-icon svg {
        width: 24px;
        height: 24px;
    }
    
    .nav-links {
        gap: 0.75rem;
        font-size: 0.8125rem;
    }
    
    .hero {
        padding: 5rem 1rem 2rem;
    }
    
    .hero-title {
        font-size: clamp(1.75rem, 5vw, 2.5rem);
    }
    
    .hero-subtitle {
        font-size: clamp(1rem, 2.5vw, 1.125rem);
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
    }
    
    .btn {
        width: 100%;
        padding: 0.875rem 1.5rem;
        font-size: 0.9375rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .feature-card {
        padding: 1.5rem;
    }

    .feature-icon {
        width: 50px;
        height: 50px;
    }

    .feature-icon svg {
        width: 24px;
        height: 24px;
    }

    .feature-title {
        font-size: 1.25rem;
    }

    .feature-description {
        font-size: 0.875rem;
    }

    .section-title {
        font-size: clamp(1.75rem, 4vw, 2.5rem);
    }

    .section-subtitle {
        font-size: clamp(1rem, 2.5vw, 1.125rem);
    }

    .voucher-section {
        padding: 2rem 1rem;
    }

    .voucher-content {
        padding: 1.5rem 1rem;
        flex-direction: column;
        gap: 1.25rem;
        min-height: auto;
        height: auto;
    }

    .voucher-divider-vertical {
        width: 100%;
        height: 1px;
        background: repeating-linear-gradient(
            to right,
            var(--border) 0px,
            var(--border) 10px,
            transparent 10px,
            transparent 20px
        );
    }

    .voucher-left,
    .voucher-right {
        flex: 1;
    }

    .voucher-header {
        padding-bottom: 1rem;
        margin-bottom: 1rem;
    }

    .voucher-logo {
        font-size: 1.25rem;
    }

    .voucher-logo svg {
        width: 24px;
        height: 24px;
    }

    .promo-badge-voucher {
        padding: 0.375rem 0.75rem;
        font-size: 0.75rem;
    }

    .promo-badge-voucher svg {
        width: 14px;
        height: 14px;
    }

    .voucher-promo-input-wrapper {
        margin-top: 0.75rem;
    }

    .voucher-promo-label {
        font-size: 0.8125rem;
        margin-bottom: 0.375rem;
    }

    .voucher-promo-input {
        padding: 0.625rem 0.875rem;
        font-size: 0.875rem;
    }

    .voucher-price-comparison {
        padding: 1rem;
        min-height: 90px;
        gap: 0.75rem 0.5rem;
    }

    .voucher-price-label {
        font-size: 0.6875rem;
    }

    .voucher-price-value {
        font-size: 1.25rem;
    }

    .voucher-arrow {
        display: none;
    }

    .voucher-details {
        gap: 0.5rem;
    }

    .voucher-detail-row {
        padding: 0.5rem 0;
        font-size: 0.875rem;
    }

    .voucher-breakdown {
        height: auto;
        min-height: 140px;
    }

    .voucher-breakdown-row {
        padding: 0.625rem 0;
        font-size: 0.875rem;
        min-height: 2rem;
    }

    .voucher-transaction-input-wrapper {
        margin: 0.75rem 0;
        padding: 0.5rem 0;
    }

    .voucher-transaction-label {
        font-size: 0.75rem;
        margin-bottom: 0.375rem;
    }

    .voucher-transaction-input {
        padding: 0.625rem 0.875rem;
        font-size: 0.875rem;
    }

    .voucher-total {
        padding: 1rem;
    }

    .voucher-total-label {
        font-size: 0.875rem;
        margin-bottom: 0.5rem;
    }

    .voucher-total-breakdown {
        margin: 0.75rem 0;
        padding: 0.5rem 0;
    }

    .voucher-total-item {
        padding: 0.375rem 0;
        font-size: 0.8125rem;
    }

    .voucher-total-main {
        font-size: 2rem;
    }

    .voucher-total-currency {
        font-size: 1.25rem;
    }

    .voucher-savings {
        font-size: 0.8125rem;
        margin-top: 0.5rem;
    }

    .voucher-savings-amount {
        font-size: 0.9375rem;
    }

    .voucher-buy-btn {
        padding: 0.875rem 1.25rem;
        font-size: 0.875rem;
    }

    .voucher-buy-btn svg {
        width: 16px;
        height: 16px;
    }

    .stats {
        padding: 4rem 1.5rem;
    }

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

    .stat-value {
        font-size: clamp(2rem, 5vw, 3rem);
    }

    .stat-label {
        font-size: 0.9375rem;
    }

    .price-comparison-banner {
        flex-direction: column;
        gap: 1rem;
        padding: 1.25rem;
    }

    .price-arrow {
        transform: rotate(90deg);
    }

    .promo-badge {
        position: static;
        margin-top: 0.5rem;
    }

    .calc-buttons-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .calc-energy-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .calc-period-info {
        text-align: left;
    }

    .calc-total {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .calc-total-main {
        font-size: 2rem;
    }
}

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

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

/* Smooth scroll */
html {
    scroll-behavior: smooth;
}