/* Design Tokens & Variables */
:root {
    --bg-dark: hsl(222, 47%, 7%);
    --bg-card: hsla(222, 47%, 12%, 0.7);
    --bg-card-border: hsla(222, 47%, 20%, 0.4);
    
    --primary: hsl(265, 85%, 60%);
    --primary-glow: hsla(265, 85%, 60%, 0.15);
    --primary-hover: hsl(265, 85%, 65%);
    
    --secondary: hsl(187, 100%, 45%);
    --secondary-glow: hsla(187, 100%, 45%, 0.15);
    
    --text-primary: hsl(0, 0%, 96%);
    --text-secondary: hsl(215, 20%, 70%);
    --text-muted: hsl(215, 12%, 50%);
    
    --gradient-hero: linear-gradient(135deg, hsl(265, 85%, 60%) 0%, hsl(290, 85%, 60%) 50%, hsl(187, 100%, 45%) 100%);
    --gradient-text: linear-gradient(135deg, hsl(0, 0%, 100%) 0%, hsl(215, 20%, 80%) 100%);
    --gradient-accent: linear-gradient(135deg, hsl(265, 85%, 60%) 0%, hsl(187, 100%, 45%) 100%);
    
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-heading: 'Outfit', var(--font-sans);
    
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Background Glow Effects */
.glow {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(140px);
    z-index: -1;
    pointer-events: none;
    opacity: 0.45;
}

.glow-1 {
    background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
    top: -150px;
    left: -100px;
}

.glow-2 {
    background: radial-gradient(circle, var(--secondary) 0%, transparent 70%);
    top: 500px;
    right: -100px;
}

/* Typography & Layout Containers */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

h1, h2, h3 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

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

/* Badges */
.badge {
    display: inline-block;
    padding: 6px 16px;
    background: hsla(265, 85%, 60%, 0.12);
    border: 1px solid hsla(265, 85%, 60%, 0.3);
    color: hsl(265, 100%, 80%);
    border-radius: 9999px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 24px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
    font-size: 0.95rem;
}

.btn-primary {
    background: var(--gradient-accent);
    color: white;
    box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px hsla(265, 85%, 60%, 0.3);
}

.btn-outline {
    background: transparent;
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

.btn-secondary {
    background: hsla(0, 0%, 100%, 0.08);
    color: white;
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
    background: hsla(0, 0%, 100%, 0.15);
    transform: translateY(-2px);
}

.btn-block {
    width: 100%;
}

/* Header */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    backdrop-filter: blur(16px);
    background: hsla(222, 47%, 7%, 0.6);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: 16px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-item {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition-smooth);
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: white;
    transition: var(--transition-smooth);
}

/* Mobile Nav Overlay */
.mobile-nav {
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    background: var(--bg-dark);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: 24px;
    display: none;
    flex-direction: column;
    gap: 20px;
    z-index: 99;
}

.mobile-nav-item {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
}

/* Sections */
section {
    padding: 100px 0;
}

.section-header {
    max-width: 650px;
    margin-bottom: 60px;
}

.section-header.text-center {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-lead {
    font-size: 1.15rem;
    color: var(--text-secondary);
}

/* Grids */
.grid {
    display: grid;
    gap: 32px;
}

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

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

/* Hero Section */
.hero-section {
    padding-top: 180px;
    padding-bottom: 120px;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    line-height: 1.15;
    margin-bottom: 24px;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-lead {
    font-size: 1.25rem;
    margin-bottom: 40px;
}

.hero-ctas {
    display: flex;
    gap: 16px;
}

/* Hero Visual & Glassmorphism Dashboard */
.hero-visual {
    display: flex;
    justify-content: center;
}

.hero-card {
    background: var(--bg-card);
    border: 1px solid var(--bg-card-border);
    backdrop-filter: blur(12px);
    border-radius: var(--border-radius-md);
    width: 100%;
    max-width: 460px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    overflow: hidden;
}

.card-header {
    background: rgba(255, 255, 255, 0.03);
    padding: 16px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    gap: 16px;
}

.window-dots {
    display: flex;
    gap: 6px;
}

.window-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
}

.card-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.card-body {
    padding: 24px;
}

.status-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.status-row:last-of-type {
    border-bottom: none;
}

.status-label {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.status-val {
    font-weight: 600;
    font-size: 0.95rem;
}

.status-val.active {
    color: var(--secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.status-val.active::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--secondary);
    box-shadow: 0 0 10px var(--secondary);
}

.invoice-flow {
    margin-top: 32px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--border-radius-sm);
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.flow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

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

.step-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.flow-step.highlight .step-icon {
    background: var(--gradient-accent);
    color: white;
    border: none;
    box-shadow: 0 0 15px var(--primary-glow);
}

.flow-line-container {
    position: relative;
    flex-grow: 1;
    height: 2px;
    margin: 0 12px;
}

.flow-line {
    position: absolute;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
}

.flow-dot {
    position: absolute;
    width: 6px;
    height: 6px;
    background-color: var(--secondary);
    border-radius: 50%;
    top: -2px;
    animation: flowPulse 2s infinite linear;
}

@keyframes flowPulse {
    0% { left: 0%; opacity: 0; }
    20% { opacity: 1; }
    80% { opacity: 1; }
    100% { left: 100%; opacity: 0; }
}

/* Stats Section */
.stats-section {
    padding: 60px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    background: rgba(255, 255, 255, 0.01);
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    text-align: center;
    gap: 40px;
}

.stat-card h3 {
    font-size: 3.5rem;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
}

.stat-card p {
    font-size: 1.05rem;
    font-weight: 500;
}

/* Info & Services Cards */
.info-card {
    background: var(--bg-card);
    border: 1px solid var(--bg-card-border);
    border-radius: var(--border-radius-md);
    padding: 40px;
    transition: var(--transition-smooth);
}

.info-card:hover {
    transform: translateY(-8px);
    border-color: rgba(255, 255, 255, 0.15);
}

.info-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.04);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary);
    margin-bottom: 24px;
}

.info-card h3 {
    font-size: 1.4rem;
    margin-bottom: 16px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--bg-card-border);
    border-radius: var(--border-radius-md);
    padding: 40px;
    display: flex;
    gap: 24px;
    transition: var(--transition-smooth);
}

.service-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.15);
}

.service-details h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
    color: white;
}

.service-details p {
    margin-bottom: 20px;
}

.service-details ul {
    list-style: none;
    display: grid;
    gap: 10px;
}

.service-details li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.service-details li::before {
    content: '✓';
    color: var(--secondary);
    font-weight: bold;
}

/* Calculator Section */
.calc-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: stretch;
}

.calc-inputs-card, .calc-results-card {
    background: var(--bg-card);
    border: 1px solid var(--bg-card-border);
    border-radius: var(--border-radius-md);
    padding: 40px;
}

.calc-inputs-card h3, .calc-results-card h3 {
    margin-bottom: 28px;
    font-size: 1.5rem;
}

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

.input-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 10px;
    color: var(--text-secondary);
}

.input-group input[type="number"] {
    width: 100%;
    padding: 14px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-sm);
    color: white;
    font-size: 1.1rem;
    outline: none;
    transition: var(--transition-smooth);
}

.input-group input[type="number"]:focus {
    border-color: var(--primary);
}

.input-group input[type="range"] {
    width: 100%;
    margin-top: 12px;
    accent-color: var(--primary);
}

.input-sub {
    display: block;
    margin-top: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.results-header {
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 30px;
    margin-bottom: 30px;
}

.savings-amount {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-top: 12px;
}

.results-breakdown {
    display: grid;
    gap: 16px;
}

.breakdown-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
}

.breakdown-item.border-top {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 20px;
    margin-top: 8px;
}

.breakdown-label {
    color: var(--text-secondary);
}

.breakdown-val {
    font-weight: 600;
    font-size: 1.1rem;
}

.breakdown-val.highlight {
    color: var(--primary-glow);
    color: hsl(265, 100%, 80%);
}

.savings-highlight {
    color: var(--secondary);
    font-size: 1.3rem;
}

.progress-container {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 99px;
    margin-top: 30px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--gradient-accent);
    border-radius: 99px;
    transition: width 0.5s ease-out;
}

.savings-note {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 20px;
    text-align: center;
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
}

.contact-info h2 {
    font-size: 2.8rem;
    margin-bottom: 20px;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.contact-info p {
    font-size: 1.15rem;
    margin-bottom: 40px;
}

.info-links {
    display: grid;
    gap: 20px;
}

.info-link-item {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 1.1rem;
}

.info-icon-small {
    font-size: 1.3rem;
}

.contact-form-card {
    background: var(--bg-card);
    border: 1px solid var(--bg-card-border);
    border-radius: var(--border-radius-md);
    padding: 40px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

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

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 14px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-sm);
    color: white;
    outline: none;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.form-group input:focus, .form-group textarea:focus {
    border-color: var(--primary);
}

/* Footer */
.site-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    padding: 80px 0 40px;
    background: rgba(0, 0, 0, 0.2);
}

.footer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 40px;
}

.footer-desc {
    max-width: 400px;
    margin-top: 16px;
    font-size: 0.95rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    width: 100%;
    padding-top: 30px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Responsive Styles */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .hero-content h1 {
        font-size: 2.8rem;
    }
    
    .hero-ctas {
        justify-content: center;
    }
    
    .grid-3, .grid-2 {
        grid-template-columns: 1fr;
    }
    
    .calc-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .stats-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}