/* ===== CSS VARIABLES ===== */
:root {
    /* Color Palette */
    --c-deep: #0a1428;
    --c-navy: #1e293b;
    --c-teal: #0891b2;
    --c-blue-light: #1e40af;
    --c-purple: #6366f1;
    --white: #FFFFFF;
    --light-gray: #f8fafc;
    --medium-gray: #94a3b8;
    --dark-gray: #475569;
    
    /* Typography */
    --font-size-sm: 1rem;
    --font-size-base: 1.125rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 2.5rem;
    --font-size-5xl: 3.25rem;
    --font-weight-normal: 400;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.7;
}

/* ===== RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Nunito Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
    color: var(--white);
    min-height: 100vh;
    overflow-x: hidden;
    font-display: swap;
}

/* Prevent font flash by ensuring consistent rendering */
.navbar-brand,
.nav-link,
.btn-demo {
    font-family: 'Nunito Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
    font-display: swap;
}

/* ===== BACKGROUND ===== */
.bg {
    position: fixed;
    inset: 0;
    z-index: -2;
    background: linear-gradient(135deg, var(--c-deep) 0%, var(--c-navy) 50%, var(--c-blue-light) 100%);
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

/* ===== HERO SECTION ===== */
.vc-hero {
    background: rgba(4, 26, 51, 0.3);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    color: var(--white);
    padding: 8rem 0 4rem;
    text-align: center;
}

.vc-hero h1 {
    font-family: 'Nunito Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: 1.5rem;
    line-height: var(--line-height-tight);
}

.vc-hero h2 {
    font-size: var(--font-size-lg);
    color: var(--light-gray);
    max-width: 800px;
    margin: 0 auto;
    line-height: var(--line-height-relaxed);
    font-weight: var(--font-weight-normal);
}

/* ===== FEATURES SECTION ===== */
.features-section {
    padding: 5rem 0;
    background: #f8fafc;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 0;
    padding: 1.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    border-color: var(--c-teal);
}

.feature-icon {
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, var(--c-deep) 0%, var(--c-navy) 100%);
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0;
    margin-right: 0.75rem;
    box-shadow: 0 2px 8px rgba(10, 20, 40, 0.15);
    flex-shrink: 0;
}

.feature-icon i {
    font-size: 0.875rem;
    color: var(--white);
}

.feature-card h3 {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--c-deep);
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.feature-card p {
    font-size: 0.875rem;
    color: var(--dark-gray);
    line-height: 1.5;
    margin: 0;
}

/* ===== PROCESS SECTION ===== */
.process-section {
    padding: 5rem 0;
    background: #ffffff;
}

/* ===== FLOW PROCESS STYLES ===== */
.flow-process-container {
    position: relative;
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.flow-step {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 0;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    position: relative;
    width: 100%;
    max-width: 1200px;
    transition: all 0.3s ease;
    overflow: hidden;
}

.flow-step:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    border-color: var(--c-teal);
}

.step-number {
    display: none;
}

.step-content {
    width: 100%;
}

.step-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--c-deep) 0%, var(--c-navy) 100%);
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    box-shadow: 0 4px 12px rgba(10, 20, 40, 0.15);
}

.step-icon i {
    font-size: 1.25rem;
    color: var(--white);
}

.flow-step h4 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--c-deep);
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.flow-step p {
    font-size: 1.05rem;
    color: var(--dark-gray);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.step-items {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.75rem;
}

.step-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem;
    background: #f8fafc;
    border-radius: 0;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.step-item:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    background: #ffffff;
}

.step-item i {
    font-size: 1.1rem;
    color: var(--c-teal);
}

.step-item span {
    font-size: 0.9rem;
    font-weight: var(--font-weight-semibold);
    color: var(--c-deep);
    text-align: center;
    line-height: 1.2;
}

.flow-arrow {
    width: 4px;
    height: 40px;
    background: linear-gradient(180deg, var(--c-teal) 0%, var(--c-deep) 100%);
    border-radius: 2px;
    margin: 1rem 0;
}

/* Step-specific styling */
.step-1 {
    border-color: var(--c-deep);
}

.step-2 {
    border-color: var(--c-teal);
}

.step-3 {
    border-color: var(--c-deep);
}

.step-4 {
    border-color: var(--c-deep);
}

.step-5 {
    border-color: var(--c-deep);
}

/* ===== PROCESSING STEPS STYLES ===== */
.processing-steps {
    display: flex;
    flex-direction: row;
    gap: 1.5rem;
    margin: 2rem 0;
    justify-content: space-between;
}

.processing-step {
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
    border: 1px solid #e2e8f0;
    border-radius: 0;
    padding: 1.25rem;
    transition: all 0.3s ease;
    flex: 1;
    min-width: 280px;
    position: relative;
    overflow: hidden;
}

.processing-step:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    border-color: var(--c-teal);
}

.processing-step-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.processing-step-icon {
    background: none;
    border-radius: 0;
    width: auto;
    height: auto;
    display: inline-block;
    padding: 0;
    margin: 0;
    box-shadow: none;
    flex-shrink: 0;
}

.processing-step-icon i {
    font-size: 0.875rem;
    color: var(--c-teal);
}

.processing-step h5 {
    font-size: 1.05rem;
    font-weight: var(--font-weight-semibold);
    color: var(--c-deep);
    margin: 0;
    line-height: 1.3;
    word-wrap: break-word;
}

.processing-step p {
    font-size: 1rem;
    color: var(--dark-gray);
    line-height: 1.4;
    margin-bottom: 0.75rem;
    text-align: left;
}

.processing-details {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    color: var(--c-deep);
    line-height: 1.3;
}

.detail-item i {
    color: var(--c-teal);
    font-size: 0.7rem;
    flex-shrink: 0;
}

.processing-status {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid #e2e8f0;
}

.status-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--c-deep) 0%, var(--c-navy) 100%);
    color: var(--white);
    padding: 0.75rem 1rem;
    border-radius: 0;
    font-weight: var(--font-weight-semibold);
    font-size: 1rem;
}

.status-indicator i {
    font-size: 0.9rem;
}

/* ===== FINAL CTA SECTION ===== */
.final-cta-section {
    padding: 2rem 0 6rem 0;
    background: #f8fafc;
    position: relative;
    overflow: hidden;
}

.final-cta-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.cta-title {
    font-size: clamp(1.25rem, 5vw, 2rem);
    font-weight: var(--font-weight-bold);
    color: var(--c-deep);
    margin-bottom: 1.5rem;
    line-height: var(--line-height-tight);
}

.cta-description {
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    color: var(--dark-gray);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-cta-primary {
    background: linear-gradient(135deg, var(--c-deep) 0%, var(--c-navy) 100%);
    color: var(--white);
    padding: 1.25rem 2.5rem;
    border-radius: 0;
    text-decoration: none;
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-base);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.3s ease;
    border: 2px solid var(--c-deep);
    box-shadow: 0 8px 32px rgba(10, 20, 40, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-cta-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.btn-cta-primary:hover::before {
    left: 100%;
}

.btn-cta-primary:hover {
    background: linear-gradient(135deg, var(--c-navy) 0%, var(--c-deep) 100%);
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(10, 20, 40, 0.4);
    color: var(--white);
}

.btn-cta-secondary {
    background: var(--white);
    color: var(--c-deep);
    padding: 1.25rem 2.5rem;
    border-radius: 0;
    text-decoration: none;
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-base);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.3s ease;
    border: 2px solid var(--c-deep);
    box-shadow: 0 8px 24px rgba(10, 20, 40, 0.15);
}

.btn-cta-secondary:hover {
    background: var(--c-deep);
    color: var(--white);
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(10, 20, 40, 0.25);
    border-color: var(--c-deep);
}

/* ===== ANIMATIONS ===== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

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

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    animation: slideInLeft 0.8s ease forwards;
}

@keyframes slideInLeft {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    animation: slideInRight 0.8s ease forwards;
}

@keyframes slideInRight {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.btn-demo-primary:hover {
    background: linear-gradient(135deg, var(--c-navy) 0%, var(--c-deep) 100%);
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(10, 20, 40, 0.5);
    color: var(--white);
}

.btn-demo-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-3px);
    color: var(--white);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
    }
    
    /* Typography scaling for tablet */
    .vc-hero h1 {
        font-size: clamp(1.75rem, 4vw, 2.25rem);
    }
    
    .vc-hero h2 {
        font-size: clamp(1rem, 2.5vw, 1.125rem);
    }
    
    .process-section h2,
    .features-section h2 {
        font-size: clamp(1.125rem, 3vw, 1.5rem);
    }
    
    .flow-step h4 {
        font-size: clamp(1.05rem, 2.4vw, 1.3rem);
    }
    
    .processing-step h5 {
        font-size: clamp(0.9rem, 2.2vw, 1.05rem);
    }
    
    .feature-card h3 {
        font-size: clamp(0.875rem, 2vw, 1rem);
    }
}

@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    /* Typography scaling for mobile */
    .vc-hero h1 {
        font-size: clamp(1.5rem, 6vw, 2rem);
        line-height: 1.2;
    }
    
    .vc-hero h2 {
        font-size: clamp(0.875rem, 3vw, 1.125rem);
        line-height: 1.4;
    }
    
    .process-section h2,
    .features-section h2 {
        font-size: clamp(1rem, 4vw, 1.25rem);
        line-height: 1.3;
        margin-bottom: 1.5rem;
    }
    
    .flow-step h4 {
        font-size: clamp(0.95rem, 3vw, 1.15rem);
        line-height: 1.3;
    }
    
    .processing-step h5 {
        font-size: clamp(0.9rem, 2.5vw, 1.05rem);
        line-height: 1.3;
    }
    
    .feature-card h3 {
        font-size: clamp(0.75rem, 2.5vw, 1rem);
        line-height: 1.3;
    }
    
    .step-item span {
        font-size: clamp(0.8rem, 2.4vw, 0.95rem);
        line-height: 1.2;
    }
    
    .detail-item {
        font-size: clamp(0.85rem, 2.4vw, 0.95rem);
        line-height: 1.3;
    }
    
    .status-indicator {
        font-size: clamp(0.9rem, 2.5vw, 1rem);
    }
    
    .feature-card {
        padding: 2rem;
    }
    
    /* Flow Process Mobile Styles */
    .flow-process-container {
        gap: 1.5rem;
    }
    
    .flow-step {
        max-width: 100%;
    }
    
    .flow-arrow {
        width: 3px;
        height: 30px;
    }
    
    .step-items {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }
    
    .step-item {
        padding: 0.5rem;
    }
    
    .step-item span {
        font-size: 0.7rem;
    }
    
    /* Processing Steps Mobile Styles */
    .processing-steps {
        flex-direction: column;
        gap: 1rem;
        margin: 1.5rem 0;
    }
    
    .processing-step {
        padding: 1rem;
    }
    
    .processing-step-header {
        gap: 0.75rem;
        margin-bottom: 0.75rem;
    }
    
    .processing-step-icon {
        width: 35px;
        height: 35px;
    }
    
    .processing-step-icon i {
        font-size: 1rem;
    }
    
    .processing-step h5 {
        font-size: 0.9rem;
    }
    
    .processing-step p {
        font-size: 0.95rem;
        margin-bottom: 0.75rem;
    }
    
    .detail-item {
        font-size: 0.9rem;
        gap: 0.5rem;
    }
    
    .detail-item i {
        font-size: 0.7rem;
    }
    
    .processing-status {
        margin-top: 1rem;
        padding-top: 1rem;
    }
    
    .status-indicator {
        padding: 0.75rem 1rem;
        font-size: 1rem;
    }
    
    .status-indicator i {
        font-size: 1rem;
    }
    
    /* Demo buttons mobile */
    .btn-demo-primary,
    .btn-demo-secondary {
        padding: 0.875rem 1.5rem !important;
        font-size: 0.9rem !important;
    }
    
    /* Final CTA Section Mobile */
    .final-cta-section {
        padding: 2rem 1rem 3rem;
        background: #f1f5f9 !important;
    }
    
    .cta-title {
        margin-bottom: 1.5rem;
        text-align: center;
    }
    
    .cta-description {
        font-size: var(--font-size-sm) !important;
        margin-bottom: 2.5rem;
        text-align: center;
        line-height: 1.6;
    }
    
    .final-cta-content {
        margin-top: 0.25rem;
        margin-bottom: 1.5rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .btn-cta-primary,
    .btn-cta-secondary {
        width: auto;
        min-width: 160px;
        max-width: 240px;
        justify-content: center;
        padding: 0.875rem 1.5rem;
        min-height: 44px;
        font-size: 0.9rem !important;
        line-height: 1.2;
        gap: 0.5rem;
    }
    
    .final-cta-section .btn-cta-primary,
    .final-cta-section .btn-cta-secondary {
        width: 220px;
    }
    
    .btn-cta-primary i,
    .btn-cta-secondary i {
        font-size: 0.9rem !important;
    }
}

@media (max-width: 480px) {
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    /* Typography scaling for very small screens */
    .vc-hero h1 {
        font-size: clamp(1.25rem, 7vw, 1.75rem);
        line-height: 1.2;
    }
    
    .vc-hero h2 {
        font-size: clamp(0.8rem, 3.5vw, 1rem);
        line-height: 1.4;
    }
    
    .process-section h2,
    .features-section h2 {
        font-size: clamp(0.9rem, 4.5vw, 1.125rem);
        line-height: 1.3;
        margin-bottom: 1rem;
    }
    
    .flow-step h4 {
        font-size: clamp(0.9rem, 3.5vw, 1.1rem);
        line-height: 1.3;
    }
    
    .processing-step h5 {
        font-size: clamp(0.85rem, 3vw, 1rem);
        line-height: 1.3;
    }
    
    .feature-card h3 {
        font-size: clamp(0.7rem, 3vw, 0.9rem);
        line-height: 1.3;
    }
    
    .step-item span {
        font-size: clamp(0.75rem, 2.6vw, 0.9rem);
        line-height: 1.2;
    }
    
    .detail-item {
        font-size: clamp(0.8rem, 2.6vw, 0.9rem);
        line-height: 1.3;
    }
    
    .status-indicator {
        font-size: clamp(0.85rem, 3vw, 1rem);
    }
    
    .flow-step p,
    .processing-step p,
    .feature-card p {
        font-size: clamp(0.95rem, 3vw, 1.05rem);
        line-height: 1.4;
    }
}