/**
 * BAGGIE.AI - ENTERPRISE LANDING PAGE STYLESHEET
 * Corporate Identity Compliant Design System
 * Version: 1.0.0
 * 
 * CI Colors:
 * - Deep Aviation Blue: #0A1F33
 * - Intelligence Blue: #1E4ED8
 * - Steel Grey: #6B7280
 * - Light Cloud Grey: #F3F4F6
 * - Signal Cyan: #00C2D1
 * 
 * Typography: Inter (Primary), IBM Plex Sans (Alternative)
 * Spacing: 8px base scale
 */

/* ============================================
   ROOT VARIABLES & DESIGN TOKENS
   ============================================ */

:root {
    /* Colors - CI Palette */
    --color-deep-aviation-blue: #0A1F33;
    --color-intelligence-blue: #1E4ED8;
    --color-steel-grey: #6B7280;
    --color-light-cloud-grey: #F3F4F6;
    --color-signal-cyan: #00C2D1;
    --color-white: #FFFFFF;
    --color-black: #000000;
    
    /* Typography */
    --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-h1-desktop: 56px;
    --font-size-h2-desktop: 40px;
    --font-size-h3-desktop: 24px;
    --font-size-body-desktop: 18px;
    --font-size-h1-mobile: 36px;
    --font-size-h2-mobile: 28px;
    --font-size-h3-mobile: 20px;
    --font-size-body-mobile: 16px;
    
    /* Line Heights */
    --line-height-tight: 1.1;
    --line-height-normal: 1.3;
    --line-height-relaxed: 1.6;
    
    /* Spacing - 8px base scale */
    --space-xs: 8px;
    --space-sm: 16px;
    --space-md: 24px;
    --space-lg: 32px;
    --space-xl: 48px;
    --space-2xl: 64px;
    --space-3xl: 96px;
    --space-4xl: 128px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(10, 31, 51, 0.05);
    --shadow-md: 0 4px 6px rgba(10, 31, 51, 0.1);
    --shadow-lg: 0 10px 15px rgba(10, 31, 51, 0.15);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Transitions */
    --transition-fast: 0.2s ease-out;
    --transition-normal: 0.3s ease-out;
    --transition-slow: 0.6s ease-out;
    
    /* Container Widths */
    --container-narrow: 800px;
    --container-default: 1200px;
    --container-wide: 1400px;
}

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

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

html {
    font-size: 100%;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family-primary);
    font-size: var(--font-size-body-desktop);
    line-height: var(--line-height-relaxed);
    color: var(--color-steel-grey);
    background-color: var(--color-white);
    overflow-x: hidden;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: var(--line-height-tight);
    color: var(--color-deep-aviation-blue);
    margin-bottom: var(--space-sm);
}

h1 {
    font-size: var(--font-size-h1-desktop);
}

h2 {
    font-size: var(--font-size-h2-desktop);
}

h3 {
    font-size: var(--font-size-h3-desktop);
}

p {
    margin-bottom: var(--space-md);
}

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

a:hover {
    color: var(--color-signal-cyan);
}

/* ============================================
   LAYOUT CONTAINERS
   ============================================ */

.container {
    max-width: var(--container-default);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.container-narrow {
    max-width: var(--container-narrow);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.container-wide {
    max-width: var(--container-wide);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.section {
    padding: var(--space-4xl) 0;
}

.section-header {
    text-align: center;
    max-width: 900px;
    margin: 0 auto var(--space-3xl);
}

.section-title {
    font-size: var(--font-size-h2-desktop);
    font-weight: 700;
    margin-bottom: var(--space-md);
}

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

.section-intro {
    font-size: var(--font-size-body-desktop);
    line-height: var(--line-height-relaxed);
    color: var(--color-steel-grey);
}

.section-intro-light {
    color: var(--color-light-cloud-grey);
}

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

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(10, 31, 51, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: background-color var(--transition-normal);
}

.nav-container {
    max-width: var(--container-wide);
    margin: 0 auto;
    padding: var(--space-md) var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-white);
    letter-spacing: -0.5px;
}

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

.nav-link {
    color: var(--color-light-cloud-grey);
    font-size: 16px;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.nav-link:hover {
    color: var(--color-signal-cyan);
}

.nav-link-cta {
    padding: var(--space-xs) var(--space-md);
    background-color: var(--color-intelligence-blue);
    color: var(--color-white);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.nav-link-cta:hover {
    background-color: var(--color-signal-cyan);
    color: var(--color-white);
    transform: translateY(-2px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--color-white);
    transition: all var(--transition-fast);
}

/* ============================================
   BUTTONS & CTAs
   ============================================ */

.btn {
    display: inline-block;
    padding: var(--space-sm) var(--space-lg);
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background-color: var(--color-signal-cyan);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-signal-cyan);
    border-color: var(--color-signal-cyan);
}

.btn-secondary:hover {
    background-color: var(--color-signal-cyan);
    color: var(--color-white);
}

.btn-primary-large {
    padding: var(--space-md) var(--space-xl);
    font-size: 18px;
    background-color: var(--color-intelligence-blue);
    color: var(--color-white);
}

.btn-primary-large:hover {
    background-color: var(--color-signal-cyan);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline-large {
    padding: var(--space-md) var(--space-xl);
    font-size: 18px;
    background-color: transparent;
    color: var(--color-signal-cyan);
    border-color: var(--color-signal-cyan);
}

.btn-outline-large:hover {
    background-color: var(--color-signal-cyan);
    color: var(--color-deep-aviation-blue);
}

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

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-deep-aviation-blue);
    overflow: hidden;
}

.hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-container {
    position: relative;
    z-index: 2;
    padding-top: var(--space-3xl);
    padding-bottom: var(--space-3xl);
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.hero-headline {
    font-size: var(--font-size-h1-desktop);
    font-weight: 700;
    line-height: var(--line-height-tight);
    color: var(--color-white);
    margin-bottom: var(--space-md);
    animation: fadeInUp 0.8s ease-out;
}

.hero-subheadline {
    font-size: var(--font-size-h3-desktop);
    line-height: var(--line-height-relaxed);
    color: var(--color-light-cloud-grey);
    margin-bottom: var(--space-xl);
    animation: fadeInUp 1s ease-out 0.2s backwards;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-lg);
    animation: fadeInUp 1.2s ease-out 0.4s backwards;
}

.hero-trust {
    font-size: 14px;
    color: var(--color-steel-grey);
    animation: fadeInUp 1.4s ease-out 0.6s backwards;
}

/* ============================================
   PROBLEM SECTION
   ============================================ */

.problem-section {
    background-color: var(--color-light-cloud-grey);
}

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

.problem-item {
    background-color: var(--color-white);
    padding: var(--space-xl);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.problem-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.problem-icon {
    width: 64px;
    height: 64px;
    margin-bottom: var(--space-md);
    color: var(--color-intelligence-blue);
}

.problem-heading {
    font-size: var(--font-size-h3-desktop);
    font-weight: 600;
    color: var(--color-deep-aviation-blue);
    margin-bottom: var(--space-sm);
}

.problem-text {
    font-size: 16px;
    line-height: var(--line-height-relaxed);
    color: var(--color-steel-grey);
}

/* ============================================
   SOLUTION SECTION
   ============================================ */

.solution-section {
    background-color: var(--color-white);
}

.solution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-xl);
}

.solution-card {
    padding: var(--space-xl);
    border: 2px solid var(--color-light-cloud-grey);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.solution-card:hover {
    border-color: var(--color-intelligence-blue);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.solution-icon {
    width: 80px;
    height: 80px;
    margin-bottom: var(--space-md);
    color: var(--color-intelligence-blue);
}

.solution-icon-accent {
    color: var(--color-signal-cyan);
}

.solution-heading {
    font-size: var(--font-size-h3-desktop);
    font-weight: 600;
    color: var(--color-deep-aviation-blue);
    margin-bottom: var(--space-sm);
}

.solution-text {
    font-size: 16px;
    line-height: var(--line-height-relaxed);
    color: var(--color-steel-grey);
    margin-bottom: var(--space-md);
}

.solution-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-sm);
    background-color: var(--color-light-cloud-grey);
    color: var(--color-intelligence-blue);
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-sm);
}

/* ============================================
   ARCHITECTURE SECTION
   ============================================ */

.architecture-section {
    background-color: var(--color-deep-aviation-blue);
    position: relative;
}

.architecture-diagram {
    margin-top: var(--space-3xl);
    padding: var(--space-xl);
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
}

/* Architecture diagram styles will be added by JavaScript */

/* ============================================
   IMPACT SECTION
   ============================================ */

.impact-section {
    background-color: var(--color-light-cloud-grey);
}

.impact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
}

.impact-column {
    background-color: var(--color-white);
    padding: var(--space-xl);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.impact-heading {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-deep-aviation-blue);
    margin-bottom: var(--space-sm);
}

.impact-subheading {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-intelligence-blue);
    margin-bottom: var(--space-md);
}

.impact-text {
    font-size: 16px;
    line-height: var(--line-height-relaxed);
    color: var(--color-steel-grey);
    margin-bottom: var(--space-lg);
}

.impact-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.impact-item h5 {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-deep-aviation-blue);
    margin-bottom: var(--space-xs);
}

.impact-item p {
    font-size: 15px;
    line-height: var(--line-height-relaxed);
    color: var(--color-steel-grey);
    margin-bottom: 0;
}

.impact-conclusion {
    font-size: 16px;
    font-weight: 500;
    line-height: var(--line-height-relaxed);
    color: var(--color-deep-aviation-blue);
    padding: var(--space-md);
    background-color: var(--color-light-cloud-grey);
    border-left: 4px solid var(--color-intelligence-blue);
    border-radius: var(--radius-sm);
}

/* ============================================
   VISION SECTION
   ============================================ */

.vision-section {
    background-color: var(--color-white);
}

.vision-content {
    text-align: center;
}

.vision-statement {
    font-size: 28px;
    font-weight: 600;
    line-height: var(--line-height-normal);
    color: var(--color-deep-aviation-blue);
    margin-bottom: var(--space-xl);
}

.vision-list {
    margin-bottom: var(--space-xl);
}

.vision-item {
    font-size: 20px;
    line-height: var(--line-height-relaxed);
    color: var(--color-steel-grey);
    margin-bottom: var(--space-sm);
}

.vision-text {
    font-size: 18px;
    line-height: var(--line-height-relaxed);
    color: var(--color-steel-grey);
    margin-bottom: var(--space-xl);
}

.vision-tagline {
    font-size: 22px;
    font-weight: 600;
    line-height: var(--line-height-normal);
    color: var(--color-intelligence-blue);
    margin-bottom: var(--space-3xl);
}

.vision-indicators {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-xl);
    text-align: left;
}

.vision-indicator h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-deep-aviation-blue);
    margin-bottom: var(--space-xs);
}

.vision-indicator p {
    font-size: 15px;
    line-height: var(--line-height-relaxed);
    color: var(--color-steel-grey);
}

/* ============================================
   TRUST SECTION
   ============================================ */

.trust-section {
    background-color: var(--color-light-cloud-grey);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-xl);
}

.trust-card {
    background-color: var(--color-white);
    padding: var(--space-xl);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.trust-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.trust-icon {
    width: 64px;
    height: 64px;
    margin-bottom: var(--space-md);
    color: var(--color-intelligence-blue);
}

.trust-heading {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-deep-aviation-blue);
    margin-bottom: var(--space-sm);
}

.trust-text {
    font-size: 15px;
    line-height: var(--line-height-relaxed);
    color: var(--color-steel-grey);
}

/* ============================================
   CTA SECTION
   ============================================ */

.cta-section {
    background-color: var(--color-deep-aviation-blue);
}

.cta-content {
    text-align: center;
}

.cta-headline {
    font-size: var(--font-size-h2-desktop);
    font-weight: 700;
    line-height: var(--line-height-tight);
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.cta-subheadline {
    font-size: 20px;
    line-height: var(--line-height-relaxed);
    color: var(--color-light-cloud-grey);
    margin-bottom: var(--space-xl);
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    align-items: center;
    margin-bottom: var(--space-3xl);
}

.cta-contact {
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.cta-company {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-xs);
}

.cta-address {
    font-size: 16px;
    color: var(--color-steel-grey);
}

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

.footer {
    background-color: var(--color-deep-aviation-blue);
    color: var(--color-light-cloud-grey);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer-tagline {
    font-size: 14px;
    color: var(--color-steel-grey);
    margin-top: var(--space-sm);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.footer-column h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.footer-column a {
    display: block;
    font-size: 14px;
    color: var(--color-light-cloud-grey);
    margin-bottom: var(--space-sm);
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--color-signal-cyan);
}

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

.footer-bottom p {
    font-size: 14px;
    color: var(--color-steel-grey);
    margin: 0;
}

.footer-legal {
    display: flex;
    gap: var(--space-md);
}

.footer-legal a {
    font-size: 14px;
    color: var(--color-steel-grey);
    transition: color var(--transition-fast);
}

.footer-legal a:hover {
    color: var(--color-signal-cyan);
}

/* ============================================
   ANIMATIONS
   ============================================ */

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

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

/* Tablet (768px - 1439px) */
@media (max-width: 1439px) {
    .section {
        padding: var(--space-3xl) 0;
    }
    
    .impact-grid {
        gap: var(--space-xl);
    }
}

/* Mobile (< 768px) */
@media (max-width: 767px) {
    /* Typography */
    h1 {
        font-size: var(--font-size-h1-mobile);
    }
    
    h2 {
        font-size: var(--font-size-h2-mobile);
    }
    
    h3 {
        font-size: var(--font-size-h3-mobile);
    }
    
    body {
        font-size: var(--font-size-body-mobile);
    }
    
    /* Navigation */
    .nav-links {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    /* Sections */
    .section {
        padding: var(--space-2xl) 0;
    }
    
    .section-header {
        margin-bottom: var(--space-xl);
    }
    
    /* Hero */
    .hero-headline {
        font-size: var(--font-size-h1-mobile);
    }
    
    .hero-subheadline {
        font-size: 18px;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    /* Problem Grid */
    .problem-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    /* Solution Grid */
    .solution-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    /* Impact Grid */
    .impact-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    /* Trust Grid */
    .trust-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
}

/* Accessibility - Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}