/* 
===========================================
  BIZWERKS DESIGN SYSTEM
===========================================
*/

:root {
    /* Colors */
    --clr-primary-900: #0A2540; /* Deep corporate blue */
    --clr-primary-800: #11365C;
    --clr-primary-500: #0066CC; /* Action blue */
    --clr-primary-400: #1A7DE6;
    
    --clr-neutral-900: #0F172A; /* Slate 900 - Headings */
    --clr-neutral-700: #334155; /* Slate 700 - Body Text */
    --clr-neutral-200: #E2E8F0; /* Slate 200 - Borders */
    --clr-neutral-100: #F6F9FC; /* Light background */
    --clr-white: #FFFFFF;

    --clr-success: #10B981;
    --clr-danger: #EF4444;

    /* Typography */
    --ff-sans: 'Inter', system-ui, -apple-system, sans-serif;
    
    /* Spacing */
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 2rem;
    --space-xl: 4rem;
    --space-xxl: 6rem;

    /* Shadows & Effects */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --transition-fast: 0.2s ease;
    --radius-md: 8px;
    --radius-lg: 12px;
}

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

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--ff-sans);
    color: var(--clr-neutral-700);
    background-color: var(--clr-neutral-100);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--clr-neutral-900);
    line-height: 1.2;
    font-weight: 700;
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

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

/* 
===========================================
  BUTTONS & BADGES
===========================================
*/

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--clr-primary-500);
    color: var(--clr-white);
}

.btn-primary:hover {
    background-color: var(--clr-primary-400);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--clr-white);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    color: var(--clr-primary-500);
    border-color: var(--clr-primary-500);
}

.btn-outline:hover {
    background-color: var(--clr-primary-500);
    color: var(--clr-white);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: rgba(0, 102, 204, 0.1);
    color: #60A5FA; /* Brighter blue for dark bg */
    border-radius: 999px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.navbar {
    background-color: rgba(10, 37, 64, 0.85); /* Translucent var(--clr-primary-900) */
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: var(--space-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    border-top: 4px solid transparent;
    border-image: linear-gradient(90deg, #8b5cf6, #3b82f6) 1;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    transition: all var(--transition-fast);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--clr-white);
    letter-spacing: -0.02em;
    background: linear-gradient(90deg, #ffffff, #a5b4fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    transition: transform var(--transition-fast);
}

.logo:hover {
    transform: scale(1.02);
}

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

.nav-links a:not(.btn) {
    color: var(--clr-neutral-200);
    font-weight: 500;
    transition: all var(--transition-fast);
    position: relative;
}

.nav-links a:not(.btn):hover {
    color: var(--clr-white);
}

.nav-links a:not(.btn)::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: #8b5cf6;
    transition: width var(--transition-fast);
}

.nav-links a:not(.btn):hover::after {
    width: 100%;
}

.navbar .btn-outline {
    color: var(--clr-white);
    border-color: rgba(255, 255, 255, 0.25);
    background-color: rgba(255, 255, 255, 0.05);
}

.navbar .btn-outline:hover {
    background-color: var(--clr-white);
    color: var(--clr-primary-900);
    border-color: var(--clr-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.2);
}

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

.hero {
    background-color: var(--clr-primary-900);
    color: var(--clr-white);
    padding: var(--space-xxl) 0;
    overflow: hidden;
    position: relative;
}

/* Clip path for a clean, angled corporate aesthetic at the bottom */
.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 6vw;
    background-color: var(--clr-neutral-100);
    clip-path: polygon(0 100%, 100% 0, 100% 100%);
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    min-height: 380px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
}

.hero-title {
    color: var(--clr-white);
    font-size: 3.5rem;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-md);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--clr-neutral-200);
    margin-bottom: var(--space-lg);
    max-width: 90%;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
}

/* Abstract Graphic (CSS Art representing automation) */
.abstract-graphic {
    position: relative;
    height: 400px;
    width: 100%;
}

.graphic-card {
    position: absolute;
    background: var(--clr-white);
    border-radius: var(--radius-lg);
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25);
    transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.card-1 {
    width: 250px;
    height: 180px;
    top: 20px;
    left: 20px;
    background: linear-gradient(135deg, var(--clr-primary-500), var(--clr-primary-400));
    z-index: 3;
    animation: float 6s ease-in-out infinite;
}

.card-2 {
    width: 300px;
    height: 200px;
    top: 100px;
    right: 20px;
    background: var(--clr-white);
    z-index: 2;
    animation: float 8s ease-in-out infinite reverse;
}

.card-3 {
    width: 200px;
    height: 150px;
    bottom: 40px;
    left: 80px;
    background: var(--clr-primary-800);
    z-index: 1;
    animation: float 7s ease-in-out infinite 1s;
}

.card-2::before, .card-2::after {
    content: '';
    position: absolute;
    left: 20px;
    height: 12px;
    border-radius: 6px;
    background: var(--clr-neutral-200);
}

.card-2::before { top: 30px; width: 60%; }
.card-2::after { top: 60px; width: 80%; }

@keyframes float {
    0% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0); }
}

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

.problem-solution {
    padding: var(--space-xxl) 0;
}

.section-header {
    max-width: 600px;
    margin-bottom: var(--space-xl);
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: var(--space-sm);
    letter-spacing: -0.02em;
}

.section-header p {
    font-size: 1.125rem;
}

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

.comparison-column {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.column-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--clr-neutral-200);
}

.icon-bad {
    color: var(--clr-danger);
    font-weight: bold;
    font-size: 1.5rem;
}

.icon-good {
    color: var(--clr-success);
    font-weight: bold;
    font-size: 1.5rem;
}

.card {
    background-color: var(--clr-white);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--clr-neutral-200);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    position: relative;
    overflow: hidden;
}

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

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
}

.card-problem::before {
    background-color: var(--clr-danger);
    opacity: 0.7;
}

.card-solution::before {
    background-color: var(--clr-success);
}

.card h4 {
    margin-bottom: var(--space-sm);
    font-size: 1.25rem;
}

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

.cta-section {
    background-color: var(--clr-white);
    padding: var(--space-xxl) 0;
    border-top: 1px solid var(--clr-neutral-200);
}

.cta-container h2 {
    font-size: 2.5rem;
    margin-bottom: var(--space-sm);
}

.cta-container p {
    font-size: 1.25rem;
    margin-bottom: var(--space-lg);
    color: var(--clr-neutral-700);
}

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

.footer {
    background-color: var(--clr-primary-900);
    color: var(--clr-neutral-200);
    padding: var(--space-xl) 0 var(--space-md);
}

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

.footer-brand .logo {
    display: block;
    margin-bottom: var(--space-sm);
}

/* 
===========================================
  NEW SECTIONS (AI & Process)
===========================================
*/

.bg-light {
    background-color: var(--clr-neutral-100);
}

.ai-section, .process-section {
    padding: var(--space-xxl) 0;
}

.split-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.split-content h2 {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

.split-content p {
    font-size: 1.125rem;
    margin-bottom: var(--space-md);
}

.feature-list {
    list-style: none;
}

.feature-list li {
    margin-bottom: var(--space-sm);
    padding-left: 1.5rem;
    position: relative;
}

.feature-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--clr-primary-500);
    font-weight: bold;
}

.responsive-img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    display: block;
}

.shadow-img {
    box-shadow: var(--shadow-lg);
}

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

.process-card {
    padding: var(--space-xl) var(--space-lg);
}

.process-number {
    width: 60px;
    height: 60px;
    background-color: rgba(0, 102, 204, 0.1);
    color: var(--clr-primary-500);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto var(--space-md);
    border: 2px solid var(--clr-primary-500);
}

.contact-info-cards {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

/* 
===========================================
  TESTIMONIAL SECTION
===========================================
*/

.testimonial-section {
    padding: var(--space-xxl) 0;
}

/* Carousel Styles */
.carousel-container {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.carousel-slide {
    display: none;
    animation: fadeEffect 0.5s;
}

.carousel-slide.active {
    display: block;
}

@keyframes fadeEffect {
    from { opacity: 0; }
    to { opacity: 1; }
}

.testimonial-card {
    margin: 0 auto;
    padding: var(--space-xl);
}

.carousel-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.carousel-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--clr-primary-500);
    cursor: pointer;
    padding: 0.5rem;
    transition: color var(--transition-fast);
}

.carousel-btn:hover {
    color: var(--clr-primary-800);
}

.carousel-dots {
    display: flex;
    gap: 0.5rem;
}

.dot {
    width: 10px;
    height: 10px;
    background-color: var(--clr-neutral-200);
    border-radius: 50%;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.dot.active {
    background-color: var(--clr-primary-500);
}

.testimonial-quote {
    font-size: 1.5rem;
    font-style: italic;
    color: var(--clr-primary-900);
    margin-bottom: var(--space-md);
    line-height: 1.4;
}

.testimonial-author p:first-child {
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--clr-neutral-900);
}

.testimonial-author p:last-child {
    font-size: 0.875rem;
    color: var(--clr-neutral-700);
}

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

@media (max-width: 900px) {
    .split-container, .process-grid {
        grid-template-columns: 1fr;
    }
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        margin: 0 auto var(--space-lg);
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-content {
        align-items: center;
        min-height: 280px; /* slightly smaller min-height for mobile */
    }

    .abstract-graphic {
        display: none; /* Hide graphic on smaller screens to save space */
    }

    .comparison-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .nav-links a:not(.btn) {
        display: none;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .footer-container {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: var(--space-md);
    }
}