/* ===================================
   RESET & BASE STYLES
   =================================== */

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

:root {
    /* Colors */
    --primary: #7B61FF;
    --secondary: #00F0FF;
    --accent: #FF6B9D;
    --dark: #0A0E27;
    --dark-light: #1A1F3A;
    --dark-lighter: #2A2F4A;
    --text-primary: #FFFFFF;
    --text-secondary: #B8C5D6;
    --text-muted: #6B7A90;
    --success: #00E676;
    --warning: #FFD600;
    --error: #FF5252;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --gradient-hero: linear-gradient(180deg, rgba(123, 97, 255, 0.1) 0%, transparent 100%);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 40px rgba(123, 97, 255, 0.3);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* ===================================
   NAVIGATION
   =================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 14, 39, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-md) 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.logo-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
    font-weight: 500;
}

.nav-links a:hover {
    color: var(--text-primary);
}

/* ===================================
   BUTTONS
   =================================== */

.btn-primary,
.btn-hero,
.btn-secondary,
.btn-scan,
.btn-new-scan,
.btn-report {
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
    font-size: 1rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-hero {
    background: var(--gradient-primary);
    color: var(--text-primary);
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-hero:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    border-color: var(--primary);
    background: rgba(123, 97, 255, 0.1);
}

.btn-scan {
    background: var(--gradient-primary);
    color: var(--text-primary);
    min-width: 150px;
    justify-content: center;
}

.btn-scan:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-scan:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-new-scan {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-new-scan:hover {
    background: rgba(255, 255, 255, 0.15);
}

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

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

/* ===================================
   HERO SECTION
   =================================== */

.hero {
    position: relative;
    padding: 8rem 0 4rem;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 100%;
    background: var(--gradient-hero);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(123, 97, 255, 0.2);
    border: 1px solid rgba(123, 97, 255, 0.3);
    border-radius: 50px;
    color: var(--secondary);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-lg);
    backdrop-filter: blur(10px);
}

.badge-icon {
    font-size: 1.2rem;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

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

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-2xl);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-xl);
    justify-content: center;
}

.stat {
    text-align: center;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: var(--spacing-xs);
}

/* ===================================
   SCANNER SECTION
   =================================== */

.scanner-section {
    padding: var(--spacing-2xl) 0;
}

.scanner-card {
    background: rgba(26, 31, 58, 0.5);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
}

.scanner-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.scanner-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.scanner-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.scanner-input-group {
    display: flex;
    gap: var(--spacing-md);
    max-width: 800px;
    margin: 0 auto;
}

.input-wrapper {
    flex: 1;
    position: relative;
}

.input-icon {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.url-input {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.url-input:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.08);
}

.url-input::placeholder {
    color: var(--text-muted);
}

.scan-loader {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.error-message {
    background: rgba(255, 82, 82, 0.1);
    border: 1px solid var(--error);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-top: var(--spacing-md);
    color: var(--error);
    text-align: center;
}

/* ===================================
   RESULTS SECTION
   =================================== */

.results-section {
    padding: var(--spacing-2xl) 0;
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.results-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
}

/* Performance Card */
.performance-card {
    background: rgba(26, 31, 58, 0.5);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
}

.performance-header {
    margin-bottom: var(--spacing-xl);
}

.performance-header h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.performance-header p {
    color: var(--text-secondary);
}

.performance-content {
    display: flex;
    gap: var(--spacing-xl);
    align-items: center;
    flex-wrap: wrap;
}

.score-circle {
    position: relative;
    width: 200px;
    height: 200px;
}

.score-ring {
    transform: rotate(-90deg);
}

.score-ring-bg {
    fill: none;
    stroke: rgba(255, 255, 255, 0.1);
    stroke-width: 12;
}

.score-ring-progress {
    fill: none;
    stroke: url(#scoreGradient);
    stroke-width: 12;
    stroke-linecap: round;
    stroke-dasharray: 534;
    stroke-dashoffset: 534;
    transition: stroke-dashoffset 1s ease;
}

.score-value {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.performance-details {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
}

.metric-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.metric-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.metric-label {
    font-weight: 700;
    color: var(--secondary);
}

.metric-tooltip {
    font-size: 0.75rem;
    color: var(--text-muted);
}

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

/* Recommendations */
.recommendations-card {
    background: rgba(26, 31, 58, 0.5);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
}

.recommendations-header {
    margin-bottom: var(--spacing-xl);
}

.recommendations-header h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.recommendations-header p {
    color: var(--text-secondary);
}

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

.recommendation-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    transition: all var(--transition-fast);
}

.recommendation-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary);
    transform: translateX(4px);
}

.recommendation-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-sm);
}

.recommendation-title {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.recommendation-savings {
    background: rgba(0, 230, 118, 0.2);
    color: var(--success);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
}

/* Report Link Card */
.report-link-card {
    background: rgba(26, 31, 58, 0.5);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
}

.report-icon {
    font-size: 3rem;
}

.report-content {
    flex: 1;
}

.report-content h4 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.report-content p {
    color: var(--text-secondary);
}

/* ===================================
   FEATURES SECTION
   =================================== */

.features-section {
    padding: var(--spacing-2xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-header h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.section-header p {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    background: rgba(26, 31, 58, 0.5);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-normal);
}

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

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

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ===================================
   PRICING SECTION
   =================================== */

.pricing-section {
    padding: var(--spacing-2xl) 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    max-width: 1100px;
    margin: 0 auto;
}

.pricing-card {
    background: rgba(26, 31, 58, 0.5);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-normal);
    position: relative;
    display: flex;
    flex-direction: column;
}

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

.pricing-card.featured {
    border: 2px solid var(--primary);
    box-shadow: var(--shadow-glow);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-8px);
}

.pricing-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    width: fit-content;
}

.pricing-badge.featured-badge {
    background: var(--gradient-primary);
    color: var(--text-primary);
}

.pricing-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.pricing-price {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.price-amount {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-period {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-left: 0.5rem;
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--spacing-xl);
    flex-grow: 1;
}

.pricing-features li {
    padding: 0.75rem 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.btn-pricing {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn-pricing:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--primary);
    transform: translateY(-2px);
}

.btn-pricing.featured-btn {
    background: var(--gradient-primary);
    border: none;
}

.btn-pricing.featured-btn:hover {
    box-shadow: var(--shadow-glow);
}

/* ===================================
   TECH SECTION
   =================================== */

.tech-section {
    padding: var(--spacing-2xl) 0;
    background: rgba(26, 31, 58, 0.3);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-lg);
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.tech-item:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-4px);
}

.tech-logo {
    font-size: 2.5rem;
}

.tech-item span {
    font-weight: 600;
    color: var(--text-secondary);
}

/* ===================================
   FOOTER
   =================================== */

.footer {
    background: rgba(10, 14, 39, 0.8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand {
    max-width: 300px;
}

.footer-description {
    color: var(--text-secondary);
    margin-top: var(--spacing-md);
    line-height: 1.8;
}

.footer-column h4 {
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

.footer-column a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: var(--spacing-sm);
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--text-primary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.footer-social a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-social a:hover {
    color: var(--text-primary);
}

/* ===================================
   RESPONSIVE
   =================================== */

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-description {
        font-size: 1rem;
    }

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

    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }

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

    .nav-links {
        display: none;
    }

    .performance-content {
        flex-direction: column;
        text-align: center;
    }

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

    .report-link-card {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }
}