/* ============================================
   RettSync Design System
   Modern, Professional Danish Tech Aesthetic
   ============================================ */

/* CSS Custom Properties */
:root {
    /* Colors - Dark Mode First */
    --bg-primary: #050505;
    --bg-secondary: #0f172a;
    --bg-tertiary: #1e293b;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.06);

    /* Text */
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    /* Brand Colors */
    --accent-blue: #60a5fa;
    --accent-purple: #a78bfa;
    --accent-gradient: linear-gradient(135deg, #60a5fa 0%, #a78bfa 100%);

    /* State Colors */
    --success: #22c55e;
    --warning: #eab308;
    --danger: #ef4444;

    /* Borders */
    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-accent: rgba(96, 165, 250, 0.4);

    /* Shadows */
    --shadow-card: 0 0 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(59, 130, 246, 0.1);

    /* Typography */
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Space Grotesk', sans-serif;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-display);
    line-height: 1.2;
}

a {
    color: var(--accent-blue);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* ============================================
   Navigation
   ============================================ */

.rs-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    padding: var(--space-md) var(--space-xl);
}

.rs-nav__container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.rs-nav__logo {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.rs-nav__links {
    display: flex;
    gap: var(--space-xl);
    list-style: none;
}

.rs-nav__link {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.rs-nav__link:hover,
.rs-nav__link.active {
    color: var(--text-primary);
}

.rs-nav__actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.rs-nav__lang {
    display: flex;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-full);
    padding: 2px;
}

.rs-nav__lang-btn {
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.rs-nav__lang-btn.active {
    background: var(--text-primary);
    color: var(--bg-primary);
}

.rs-nav__cta {
    background: var(--accent-gradient);
    color: var(--text-primary) !important;
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.875rem;
}

.rs-nav__cta:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

/* Mobile Nav */
.rs-nav__mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

@media (max-width: 768px) {
    .rs-nav__links {
        display: none;
    }

    .rs-nav__mobile-toggle {
        display: block;
    }

    .rs-nav__links.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        padding: var(--space-lg);
        border-bottom: 1px solid var(--border-subtle);
        border-top: 1px solid var(--border-subtle);
    }

    .rs-nav__actions {
        /* On mobile, we might want to hide the desktop actions or move them */
        display: none;
    }

    /* We will duplicate actions inside the mobile menu for layout simplicity */
    .rs-nav__mobile-actions {
        display: flex;
        flex-direction: column;
        gap: var(--space-md);
        margin-top: var(--space-md);
        padding-top: var(--space-md);
        border-top: 1px solid var(--border-subtle);
    }
}

/* ============================================
   Cards
   ============================================ */

.rs-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all var(--transition-base);
}

.rs-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-accent);
    box-shadow: var(--shadow-glow);
}

.rs-card--glass {
    background: rgba(20, 20, 30, 0.4);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-card);
}

.rs-card--stat {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border-left: 4px solid var(--accent-blue);
}

.rs-card--success {
    background: rgba(34, 197, 94, 0.1);
    border-color: rgba(34, 197, 94, 0.3);
}

.rs-card--warning {
    background: rgba(234, 179, 8, 0.1);
    border-color: rgba(234, 179, 8, 0.3);
}

.rs-card--danger {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
}

/* ============================================
   Buttons
   ============================================ */

.rs-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-md);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: all var(--transition-base);
    border: none;
}

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

.rs-btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(96, 165, 250, 0.3);
}

.rs-btn--secondary {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-subtle);
}

.rs-btn--secondary:hover {
    color: var(--text-primary);
    border-color: var(--text-primary);
}

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

.rs-btn--ghost {
    background: transparent;
    color: var(--accent-blue);
    padding: var(--space-sm) var(--space-md);
}

.rs-btn--ghost:hover {
    background: rgba(96, 165, 250, 0.1);
}

.rs-btn--lg {
    padding: var(--space-lg) var(--space-2xl);
    font-size: 1rem;
}

.rs-btn--sm {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.8rem;
}

/* ============================================
   Typography Utilities
   ============================================ */

.rs-gradient-text {
    background: linear-gradient(135deg, #FFFFFF 0%, #94A3B8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.rs-gradient-text--accent {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 20px rgba(96, 165, 250, 0.3));
}

.rs-text-muted {
    color: var(--text-muted);
}

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

.rs-text-success {
    color: var(--success);
}

.rs-text-warning {
    color: var(--warning);
}

.rs-text-danger {
    color: var(--danger);
}

/* ============================================
   Form Elements
   ============================================ */

.rs-input {
    width: 100%;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.rs-input:focus {
    outline: none;
    border-color: var(--accent-blue);
    background: rgba(0, 0, 0, 0.5);
}

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

.rs-label {
    display: block;
    margin-bottom: var(--space-sm);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
}

/* ============================================
   Modal
   ============================================ */

.rs-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.rs-modal-overlay.open {
    opacity: 1;
    visibility: visible;
}

.rs-modal {
    width: 90%;
    max-width: 500px;
    transform: scale(0.95);
    transition: transform var(--transition-base);
}

.rs-modal-overlay.open .rs-modal {
    transform: scale(1);
}

.rs-modal__close {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.rs-modal__close:hover {
    color: var(--text-primary);
}

/* ============================================
   Footer
   ============================================ */

.rs-footer {
    border-top: 1px solid var(--border-subtle);
    padding: var(--space-3xl) var(--space-xl);
    margin-top: var(--space-3xl);
}

.rs-footer__container {
    max-width: 1200px;
    margin: 0 auto;
}

.rs-footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.rs-footer__brand h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-md);
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.rs-footer__brand p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    max-width: 300px;
}

.rs-footer__section h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    color: var(--text-primary);
}

.rs-footer__links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.rs-footer__links a {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.rs-footer__links a:hover {
    color: var(--accent-blue);
}

.rs-footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-xl);
    border-top: 1px solid var(--border-subtle);
    color: var(--text-muted);
    font-size: 0.8rem;
}

.rs-footer__legal {
    display: flex;
    gap: var(--space-xl);
}

@media (max-width: 768px) {
    .rs-footer__grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .rs-footer__brand p {
        max-width: none;
    }

    .rs-footer__bottom {
        flex-direction: column;
        gap: var(--space-md);
    }
}

/* ============================================
   Deliverables Grid (What You Own)
   ============================================ */

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

.rs-deliverable {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
}

.rs-deliverable__icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-gradient);
    border-radius: var(--radius-md);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.rs-deliverable__content h4 {
    font-size: 1rem;
    margin-bottom: var(--space-xs);
}

.rs-deliverable__content p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.rs-deliverable--not-included {
    opacity: 0.6;
}

.rs-deliverable--not-included .rs-deliverable__icon {
    background: var(--bg-tertiary);
}

/* ============================================
   Pricing Calculator
   ============================================ */

.rs-calculator {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
}

.rs-calculator__result {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.1), rgba(59, 130, 246, 0.1));
    border: 1px solid rgba(34, 197, 94, 0.3);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin-top: var(--space-xl);
    text-align: center;
}

.rs-calculator__savings {
    font-size: 2rem;
    font-weight: 700;
    color: var(--success);
}

/* ============================================
   Pain Point Timeline
   ============================================ */

.rs-timeline {
    position: relative;
    padding-left: var(--space-2xl);
}

.rs-timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-subtle);
}

.rs-timeline__item {
    position: relative;
    padding-bottom: var(--space-xl);
}

.rs-timeline__item::before {
    content: '';
    position: absolute;
    left: calc(-1 * var(--space-2xl) - 5px);
    top: 0;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent-blue);
    border: 2px solid var(--bg-primary);
}

.rs-timeline__time {
    font-size: 0.875rem;
    color: var(--accent-blue);
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.rs-timeline__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

.rs-timeline__before,
.rs-timeline__after {
    padding: var(--space-md);
    border-radius: var(--radius-md);
}

.rs-timeline__before {
    background: rgba(239, 68, 68, 0.1);
    border-left: 3px solid var(--danger);
}

.rs-timeline__after {
    background: rgba(34, 197, 94, 0.1);
    border-left: 3px solid var(--success);
}

.rs-timeline__label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-xs);
    opacity: 0.7;
}

@media (max-width: 768px) {
    .rs-timeline__content {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Badge / Status Indicators
   ============================================ */

.rs-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-md);
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.rs-badge--success {
    background: rgba(34, 197, 94, 0.2);
    color: var(--success);
}

.rs-badge--warning {
    background: rgba(234, 179, 8, 0.2);
    color: var(--warning);
}

.rs-badge--danger {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger);
}

.rs-badge--blue {
    background: rgba(96, 165, 250, 0.2);
    color: var(--accent-blue);
}

.rs-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.rs-status-dot--live {
    background: var(--success);
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

/* ============================================
   Section Utilities
   ============================================ */

.rs-section {
    padding: var(--space-3xl) var(--space-xl);
    max-width: 1200px;
    margin: 0 auto;
}

.rs-section__header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.rs-section__title {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
}

.rs-section__subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   Animation Utilities
   ============================================ */

.rs-fade-in {
    animation: fadeIn 0.6s ease-out forwards;
    opacity: 0;
}

.rs-fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
    opacity: 0;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.rs-delay-1 {
    animation-delay: 0.1s;
}

.rs-delay-2 {
    animation-delay: 0.2s;
}

.rs-delay-3 {
    animation-delay: 0.3s;
}

.rs-delay-4 {
    animation-delay: 0.4s;
}

/* ============================================
   Demo Banner
   ============================================ */

.rs-demo-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--accent-gradient);
    padding: var(--space-md) var(--space-xl);
    text-align: center;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.rs-demo-banner__text {
    font-weight: 500;
}

.rs-demo-banner__cta {
    background: white;
    color: var(--accent-blue);
    font-weight: 700;
}

/* ============================================
   Responsive Container
   ============================================ */

.rs-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.rs-container--narrow {
    max-width: 800px;
}

.rs-container--wide {
    max-width: 1400px;
}

/* ============================================
   Data Badges & Crisis Visuals (Exponential Upgrade)
   ============================================ */

.data-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    font-family: 'Space Grotesk', monospace;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.data-badge strong {
    color: var(--text-primary);
    font-weight: 700;
}

.data-badge--alert {
    border-color: rgba(239, 68, 68, 0.5);
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.crisis-card {
    background: linear-gradient(180deg, rgba(239, 68, 68, 0.05) 0%, rgba(0, 0, 0, 0) 100%);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: 12px;
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
}

.crisis-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--danger);
}

.crisis-title {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    color: var(--danger);
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.stat-explosion {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1;
    background: linear-gradient(135deg, #ef4444 0%, #f87171 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin: 1rem 0;
}

/* ============================================
   Premium Upgrades (Audit Implementation)
   ============================================ */

/* 1. Refined Typography & Glassmorphism */
.rs-card--glass-premium {
    background: rgba(20, 20, 30, 0.6);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1), inset 0 0 20px rgba(255, 255, 255, 0.05);
}

/* 2. Trust Bar */
.rs-trust-bar {
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
    background: linear-gradient(90deg, rgba(5, 5, 5, 0) 0%, rgba(255, 255, 255, 0.03) 50%, rgba(5, 5, 5, 0) 100%);
    padding: var(--space-xl) 0;
    margin-top: var(--space-2xl);
}

.rs-trust-bar__title {
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-lg);
}

.rs-trust-bar__grid {
    display: flex;
    justify-content: center;
    gap: var(--space-2xl);
    flex-wrap: wrap;
    opacity: 0.7;
}

.rs-trust-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    transition: all var(--transition-base);
}

.rs-trust-item:hover {
    opacity: 1;
    transform: translateY(-2px);
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

.rs-trust-icon {
    font-size: 1.5rem;
}

.rs-trust-text {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* 3. New Animations */
.animate-float {
    animation: float 6s ease-in-out infinite;
}

.animate-pulse-glow {
    animation: pulseGlow 3s ease-in-out infinite;
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }

    100% {
        transform: translateY(0px);
    }
}

@keyframes pulseGlow {

    0%,
    100% {
        opacity: 0.5;
        filter: drop-shadow(0 0 5px rgba(96, 165, 250, 0.2));
    }

    50% {
        opacity: 1;
        filter: drop-shadow(0 0 15px rgba(96, 165, 250, 0.5));
    }
}