/* ===================================
   Oracle Fusion + AI Roadmap Styles
   Enterprise-Grade, Clean, Minimal
   =================================== */

/* === CSS Reset & Base === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette - Professional Enterprise Colors */
    --primary-blue: #0066CC;
    --primary-dark: #004499;
    --secondary-green: #2D7D46;
    --accent-gray: #2C3E50;
    --light-gray: #F8F9FA;
    --medium-gray: #6C757D;
    --border-gray: #DEE2E6;
    --white: #FFFFFF;
    --text-dark: #212529;
    --text-light: #495057;
    --success: #28A745;
    --warning: #FFC107;
    --danger: #DC3545;
    
    /* Typography */
    --font-system: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-size-base: 16px;
    --font-size-small: 14px;
    --font-size-large: 18px;
    --line-height-base: 1.6;
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 40px;
    --spacing-xl: 64px;
    
    /* Container */
    --container-max: 1200px;
    --container-padding: 20px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-system);
    color: var(--text-dark);
    line-height: var(--line-height-base);
    background-color: var(--white);
    overflow-x: hidden;
}

/* === Container === */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-dark);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-light);
}

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

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

ul {
    margin-left: var(--spacing-md);
}

li {
    margin-bottom: var(--spacing-xs);
    color: var(--text-light);
}

/* === Buttons === */
.btn {
    display: inline-block;
    padding: 12px 28px;
    font-size: var(--font-size-base);
    font-weight: 500;
    text-align: center;
    border: 2px solid transparent;
    border-radius: 6px;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
}

.btn-primary {
    background-color: var(--primary-blue);
    color: var(--white);
    border-color: var(--primary-blue);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.3);
}

.btn-secondary {
    background-color: var(--secondary-green);
    color: var(--white);
    border-color: var(--secondary-green);
}

.btn-secondary:hover {
    background-color: #236136;
    border-color: #236136;
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(45, 125, 70, 0.3);
}

.btn-outline {
    background-color: transparent;
    color: var(--accent-gray);
    border-color: var(--accent-gray);
}

.btn-outline:hover {
    background-color: var(--accent-gray);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-large {
    padding: 16px 36px;
    font-size: var(--font-size-large);
}

.btn .icon {
    margin-right: 8px;
    font-style: normal;
}

/* === Sections === */
.section {
    padding: var(--spacing-xl) 0;
}

.section-alt {
    background-color: var(--light-gray);
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-md);
    color: var(--accent-gray);
}

.section-intro {
    text-align: center;
    font-size: var(--font-size-large);
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* === Hero Section === */
.hero {
    background: linear-gradient(135deg, #0066CC 0%, #004499 100%);
    color: var(--white);
    padding: var(--spacing-xl) 0;
    text-align: center;
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--white);
}

.hero-subtitle {
    font-size: 1.75rem;
    font-weight: 400;
    margin-bottom: var(--spacing-md);
    color: rgba(255, 255, 255, 0.95);
}

.hero-description {
    font-size: var(--font-size-large);
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
}

.hero-contact {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-lg);
    font-size: var(--font-size-large);
}

.hero-contact p {
    color: rgba(255, 255, 255, 0.95);
    margin: 0;
}

.hero-contact a {
    color: var(--white);
    text-decoration: underline;
}

.hero-contact a:hover {
    color: rgba(255, 255, 255, 0.8);
}

/* === Content Cards === */
.content-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.content-card h3 {
    color: var(--accent-gray);
    margin-bottom: var(--spacing-md);
}

/* === Value Grid === */
.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.value-item {
    background: var(--light-gray);
    padding: var(--spacing-md);
    border-radius: 6px;
    border-left: 4px solid var(--primary-blue);
}

.value-item h4 {
    color: var(--accent-gray);
    margin-bottom: var(--spacing-sm);
}

/* === Module Grid === */
.module-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.module-card {
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.module-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.module-header {
    background: linear-gradient(135deg, var(--accent-gray) 0%, #1a252f 100%);
    padding: var(--spacing-md);
    color: var(--white);
}

.module-header h3 {
    color: var(--white);
    margin-bottom: var(--spacing-xs);
}

.module-tag {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    padding: 4px 12px;
    border-radius: 4px;
    font-size: var(--font-size-small);
    font-weight: 500;
}

.module-content {
    padding: var(--spacing-md);
}

.module-content h4 {
    color: var(--primary-blue);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

.module-content h4:first-child {
    margin-top: 0;
}

.module-content ul {
    margin-bottom: var(--spacing-md);
}

.module-content p {
    margin-bottom: var(--spacing-sm);
}

/* === Integration Flow === */
.integration-flow {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin: var(--spacing-lg) 0;
}

.flow-step {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    flex: 1;
    min-width: 180px;
    max-width: 220px;
    text-align: center;
    transition: transform var(--transition-normal);
}

.flow-step:hover {
    transform: scale(1.05);
}

.step-number {
    background: var(--primary-blue);
    color: var(--white);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
    font-weight: 700;
    font-size: 1.2rem;
}

.flow-step h3 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
    color: var(--accent-gray);
}

.flow-step p {
    font-size: var(--font-size-small);
    margin-bottom: var(--spacing-sm);
}

.example {
    background: var(--light-gray);
    padding: var(--spacing-sm);
    border-radius: 4px;
    font-size: var(--font-size-small);
    font-style: italic;
    color: var(--medium-gray);
}

.flow-arrow {
    font-size: 2rem;
    color: var(--primary-blue);
    font-weight: 700;
}

.integration-note {
    background: var(--light-gray);
    padding: var(--spacing-md);
    border-radius: 8px;
    border-left: 4px solid var(--secondary-green);
    margin-top: var(--spacing-lg);
}

/* === Roadmap Phases === */
.roadmap-phases {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.phase-card {
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

.phase-header {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-dark) 100%);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.phase-number {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
}

.phase-header h3 {
    color: var(--white);
    font-size: 1.75rem;
}

.phase-content {
    padding: var(--spacing-lg);
}

.phase-why {
    background: var(--light-gray);
    padding: var(--spacing-md);
    border-radius: 6px;
    margin-bottom: var(--spacing-lg);
    border-left: 4px solid var(--secondary-green);
}

.phase-why h4 {
    color: var(--accent-gray);
    margin-bottom: var(--spacing-sm);
}

.phase-areas {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.area {
    background: var(--white);
    padding: var(--spacing-md);
    border: 1px solid var(--border-gray);
    border-radius: 6px;
}

.area h5 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--light-gray);
}

.business-relevance {
    background: rgba(0, 102, 204, 0.05);
    padding: var(--spacing-md);
    border-radius: 6px;
    border-left: 4px solid var(--primary-blue);
}

/* === Demo Cards === */
.demo-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.demo-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.demo-card h3 {
    color: var(--accent-gray);
    margin-bottom: var(--spacing-sm);
}

.demo-description {
    color: var(--medium-gray);
    font-style: italic;
    margin-bottom: var(--spacing-lg);
}

.demo-interactive {
    background: var(--light-gray);
    padding: var(--spacing-md);
    border-radius: 6px;
    margin-bottom: var(--spacing-lg);
}

.demo-inputs {
    margin-bottom: var(--spacing-md);
}

.input-group {
    margin-bottom: var(--spacing-md);
}

.input-group label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    color: var(--accent-gray);
}

.demo-slider {
    width: 100%;
    max-width: 400px;
    margin-right: var(--spacing-sm);
}

.input-group span {
    display: inline-block;
    min-width: 50px;
    font-weight: 600;
    color: var(--primary-blue);
}

input[type="number"],
textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-gray);
    border-radius: 4px;
    font-family: var(--font-system);
    font-size: var(--font-size-base);
}

textarea {
    resize: vertical;
    min-height: 80px;
}

.demo-result {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: 6px;
    margin-top: var(--spacing-md);
    min-height: 100px;
    display: none;
}

.demo-result.active {
    display: block;
}

.risk-score,
.match-score,
.workforce-projection {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: 6px;
    text-align: center;
}

.risk-low {
    background: rgba(40, 167, 69, 0.1);
    color: var(--success);
}

.risk-medium {
    background: rgba(255, 193, 7, 0.1);
    color: var(--warning);
}

.risk-high {
    background: rgba(220, 53, 69, 0.1);
    color: var(--danger);
}

.risk-factors,
.matched-skills,
.missing-skills,
.hiring-needs,
.recommendations,
.workforce-strategy {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--light-gray);
    border-radius: 4px;
}

.demo-explanation {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 2px solid var(--light-gray);
}

.demo-explanation h4 {
    color: var(--accent-gray);
    margin-bottom: var(--spacing-sm);
}

/* === Hiring Grid === */
.hiring-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.hiring-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.hiring-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.hiring-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.hiring-card h3 {
    color: var(--accent-gray);
    margin-bottom: var(--spacing-sm);
}

.hiring-summary {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: 8px;
    margin-top: var(--spacing-lg);
    border-left: 4px solid var(--primary-blue);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

/* === Creator Showcase Section === */
.creator-card {
    background: var(--white);
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--border-gray);
}

.creator-identity {
    text-align: center;
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--light-gray);
    margin-bottom: var(--spacing-md);
}

.creator-name {
    font-size: 2rem;
    color: var(--accent-gray);
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.creator-role {
    font-size: var(--font-size-large);
    color: var(--primary-blue);
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

.creator-specialty {
    font-size: var(--font-size-base);
    color: var(--text-light);
    font-weight: 400;
}

.creator-authority {
    background: var(--light-gray);
    padding: var(--spacing-md);
    border-radius: 6px;
    border-left: 4px solid var(--secondary-green);
    margin-bottom: var(--spacing-lg);
}

.creator-authority p {
    font-size: var(--font-size-base);
    color: var(--text-dark);
    font-weight: 400;
    line-height: 1.6;
    margin: 0;
}

.creator-capabilities {
    margin-bottom: var(--spacing-lg);
}

.creator-capabilities h4 {
    color: var(--accent-gray);
    margin-bottom: var(--spacing-sm);
    font-size: 1.25rem;
}

.creator-capabilities ul {
    list-style-type: disc;
    margin-left: var(--spacing-md);
}

.creator-capabilities li {
    color: var(--text-light);
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-base);
}

.creator-contact {
    background: var(--light-gray);
    padding: var(--spacing-md);
    border-radius: 6px;
    margin-bottom: var(--spacing-md);
}

.creator-contact h4 {
    color: var(--accent-gray);
    margin-bottom: var(--spacing-sm);
    font-size: 1.25rem;
}

.creator-contact-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    justify-content: center;
}

.creator-contact-buttons .btn {
    flex: 1;
    min-width: 200px;
}

.creator-availability {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--light-gray);
}

.creator-availability p {
    font-size: var(--font-size-large);
    color: var(--text-dark);
    font-weight: 500;
    margin: 0;
}

/* === Contact Section === */
.contact-section {
    background: linear-gradient(135deg, var(--accent-gray) 0%, #1a252f 100%);
    color: var(--white);
    text-align: center;
}

.contact-section .section-title {
    color: var(--white);
}

.contact-intro {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--font-size-large);
    margin-bottom: var(--spacing-lg);
}

.contact-cta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.contact-availability {
    color: rgba(255, 255, 255, 0.85);
}

.contact-availability p {
    color: rgba(255, 255, 255, 0.85);
}

/* === Mobile Sticky CTA === */
.mobile-sticky-cta {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.15);
    padding: var(--spacing-sm);
    gap: var(--spacing-sm);
    z-index: 1000;
}

.btn-mobile {
    flex: 1;
    padding: 12px 16px;
    font-size: var(--font-size-small);
}

/* === Footer === */
.footer {
    background: var(--accent-gray);
    color: var(--white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: start;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.footer-info h3,
.footer-contact p strong {
    color: var(--white);
}

.footer-info p,
.footer-contact p {
    color: rgba(255, 255, 255, 0.85);
}

.footer-contact a {
    color: var(--white);
    text-decoration: underline;
}

.footer-contact a:hover {
    color: rgba(255, 255, 255, 0.8);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
}

/* === Responsive Design === */
@media (max-width: 768px) {
    :root {
        --font-size-base: 15px;
        --spacing-lg: 32px;
        --spacing-xl: 48px;
    }
    
    .hero {
        min-height: auto;
        padding: var(--spacing-lg) 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .hero-contact {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.35rem; }
    
    .integration-flow {
        flex-direction: column;
    }
    
    .flow-arrow {
        transform: rotate(90deg);
    }
    
    .flow-step {
        max-width: 100%;
    }
    
    .module-grid,
    .value-grid,
    .phase-areas,
    .hiring-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-cta {
        width: 100%;
    }
    
    .contact-cta .btn {
        width: 100%;
    }
    
    .creator-name {
        font-size: 1.75rem;
    }
    
    .creator-contact-buttons {
        flex-direction: column;
    }
    
    .creator-contact-buttons .btn {
        width: 100%;
    }
    
    .mobile-sticky-cta {
        display: flex;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    body {
        padding-bottom: 70px;
    }
}

@media (max-width: 480px) {
    :root {
        --container-padding: 16px;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: var(--font-size-small);
    }
    
    .demo-slider {
        max-width: 100%;
    }
}

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

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

/* === Print Styles === */
@media print {
    .hero-cta,
    .mobile-sticky-cta,
    .contact-cta {
        display: none;
    }
    
    .section {
        page-break-inside: avoid;
    }
}