/* ============================================
   AI CONSULTING THEME - BRIGHT FUTURE 2025
   ============================================ */

:root {
    /* Light Theme Colors */
    --bg-light: #ffffff;
    --bg-subtle: #f8fafc;
    --bg-card: rgba(255, 255, 255, 0.7);
    --bg-card-hover: rgba(255, 255, 255, 0.9);
    
    /* Vibrant Accents */
    --primary: #6366f1;    /* Indigo/Violet */
    --secondary: #ec4899;  /* Pink */
    --tertiary: #06b6d4;   /* Cyan */
    
    --gradient-main: linear-gradient(135deg, #6366f1 0%, #ec4899 100%);
    --gradient-text: linear-gradient(90deg, #6366f1, #ec4899, #06b6d4);
    
    /* Text */
    --text-main: #0f172a;  /* Slate 900 */
    --text-muted: #64748b; /* Slate 500 */
    --text-light: #ffffff;
    
    /* Borders & Shadows */
    --border: rgba(99, 102, 241, 0.1);
    --border-hover: rgba(99, 102, 241, 0.3);
    
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 15px -3px rgba(99, 102, 241, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(99, 102, 241, 0.15);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);
    
    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 32px;
    --space-xl: 64px;
    
    /* Typography */
    --font-mono: 'JetBrains Mono', monospace;
    --font-display: 'Archivo Black', sans-serif;
    
    /* Animation */
    --ease-out: cubic-bezier(0.215, 0.61, 0.355, 1);
}

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

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-mono);
    background-color: var(--bg-light);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    /* Subtle mesh gradient background */
    background-image: 
        radial-gradient(circle at 0% 0%, rgba(99, 102, 241, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 100% 100%, rgba(236, 72, 153, 0.05) 0%, transparent 50%);
}

/* Canvas Background */
#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 1; /* Full opacity for vibrant colors */
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    position: relative;
    z-index: 1;
}

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

.nav-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px var(--space-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    backdrop-filter: blur(20px);
    background: rgba(255, 255, 255, 0.8);
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--text-main);
    text-decoration: none;
    letter-spacing: -0.05em;
}

.nav-logo .highlight {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--primary);
}

.nav-cta {
    background: var(--text-main);
    color: var(--text-light) !important;
    padding: 8px 20px;
    border-radius: 50px;
    transition: all 0.3s !important;
    box-shadow: var(--shadow-sm);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    background: var(--primary);
}

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

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
}

.hero-content {
    max-width: 900px;
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 0.8rem;
    color: var(--primary);
    margin-bottom: var(--space-md);
    letter-spacing: 1px;
    box-shadow: var(--shadow-sm);
    font-weight: 600;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 9vw, 6rem);
    line-height: 1;
    margin-bottom: var(--space-lg);
    text-transform: uppercase;
    color: var(--text-main);
}

.type-effect {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
}

.type-effect::after {
    content: '|';
    animation: blink 1s infinite;
    color: var(--primary);
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 600px;
    margin-bottom: var(--space-xl);
    font-weight: 400;
}

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

.btn {
    padding: 16px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s var(--ease-out);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary {
    background: var(--text-main);
    color: var(--text-light);
    border: none;
    box-shadow: var(--shadow-lg);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-main);
    z-index: -1;
    transition: opacity 0.3s;
    opacity: 0;
}

.btn-primary:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-outline {
    background: #fff;
    color: var(--text-main);
    border: 1px solid rgba(0,0,0,0.1);
    box-shadow: var(--shadow-sm);
}

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

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    opacity: 0.6;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% {transform: translateX(-50%) translateY(0);}
    50% {transform: translateX(-50%) translateY(-5px);}
}

.scroll-indicator span {
    font-size: 0.7rem;
    letter-spacing: 2px;
    color: var(--text-main);
    font-weight: 700;
}

.scroll-indicator .line {
    width: 2px;
    height: 40px;
    background: linear-gradient(to bottom, var(--text-main), transparent);
}

/* ============================================
   STATS BAR
   ============================================ */

.stats-bar {
    background: #fff;
    padding: var(--space-xl) 0;
    position: relative;
    z-index: 2;
    box-shadow: var(--shadow-sm);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
    text-align: center;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 3.5rem;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
}

.stat-suffix {
    font-family: var(--font-display);
    font-size: 3.5rem;
    color: var(--text-main);
}

.stat-label {
    display: block;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

/* ============================================
   SERVICES
   ============================================ */

.section-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    margin-bottom: var(--space-xl);
    color: var(--text-main);
    text-align: center;
}

.services {
    padding: var(--space-xl) 0;
    background: var(--bg-subtle);
}

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

.service-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid #fff;
    padding: var(--space-lg);
    border-radius: 24px;
    transition: all 0.4s var(--ease-out);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    background: #fff;
}

.card-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
    background: var(--bg-subtle);
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    transition: transform 0.3s;
}

.service-card:hover .card-icon {
    transform: scale(1.05);
    background: var(--gradient-main);
    color: #fff;
}

.service-card h3 {
    font-size: 1.4rem;
    margin-bottom: var(--space-md);
    color: var(--text-main);
    font-weight: 700;
}

.service-card p {
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: var(--space-md);
}

.service-list {
    list-style: none;
    border-top: 1px solid rgba(0,0,0,0.05);
    padding-top: var(--space-md);
}

.service-list li {
    color: var(--text-main);
    font-size: 0.9rem;
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
    font-weight: 500;
}

.service-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-size: 1.2rem;
    line-height: 1;
}

/* ============================================
   CASE STUDIES
   ============================================ */

.cases {
    padding: 100px 0;
    background: #fff;
}

.case-study {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    margin-bottom: 120px;
    align-items: center;
}

.case-study.reverse {
    direction: rtl;
}

.case-study.reverse .case-content {
    direction: ltr;
}

.case-tag {
    color: var(--primary);
    font-size: 0.85rem;
    letter-spacing: 2px;
    margin-bottom: var(--space-sm);
    font-weight: 800;
    text-transform: uppercase;
    background: rgba(99, 102, 241, 0.1);
    display: inline-block;
    padding: 4px 12px;
    border-radius: 4px;
}

.case-content h3 {
    font-family: var(--font-display);
    font-size: 3rem;
    margin-bottom: var(--space-md);
    line-height: 1.1;
    color: var(--text-main);
}

.case-desc {
    color: var(--text-muted);
    margin-bottom: var(--space-lg);
    font-size: 1.1rem;
    line-height: 1.7;
}

.case-metrics {
    display: flex;
    gap: var(--space-lg);
    background: var(--bg-subtle);
    padding: 20px;
    border-radius: 16px;
}

.metric {
    display: flex;
    flex-direction: column;
}

.metric strong {
    color: var(--text-main);
    font-size: 1.4rem;
    font-weight: 800;
}

.metric span {
    color: var(--text-muted);
    font-size: 0.85rem;
    text-transform: uppercase;
    font-weight: 600;
}

.case-visual {
    background: var(--bg-subtle);
    border-radius: 32px;
    padding: var(--space-lg);
    position: relative;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(0,0,0,0.05);
    transition: transform 0.3s;
}

.case-visual:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}

.visual-placeholder {
    width: 100%;
}

.code-block {
    background: #1e1e1e; /* Keep code dark for contrast */
    padding: 30px;
    border-radius: 16px;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: #fff;
    box-shadow: 0 20px 50px rgba(0,0,0,0.2);
}

.keyword { color: #c792ea; }
.function { color: #82aaff; }
.string { color: #c3e88d; }
.boolean { color: #ff9cac; }
.comment { color: #546e7a; display: block; margin-bottom: 10px; font-style: italic; }

.chat-interface {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 15px;
    background: #fff;
    padding: 30px;
    border-radius: 24px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.1);
}

.chat-msg {
    padding: 15px 20px;
    border-radius: 18px;
    max-width: 80%;
    font-size: 0.95rem;
    line-height: 1.4;
}

.chat-msg.user {
    background: var(--primary);
    color: #fff;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
    box-shadow: 0 5px 15px rgba(99, 102, 241, 0.3);
}

.chat-msg.bot {
    background: var(--bg-subtle);
    color: var(--text-main);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
    width: 100%; /* Allow full width for rich cards */
    max-width: 320px;
    padding: 0; /* Reset padding for custom content */
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.insight-card {
    background: #fff;
    border-radius: 18px;
    overflow: hidden;
}

.insight-header {
    padding: 15px 20px;
    background: var(--bg-subtle);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--text-main);
}

.insight-header svg {
    color: var(--primary);
}

.insight-metrics {
    padding: 20px;
    display: grid;
    gap: 15px;
}

.i-metric {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(0,0,0,0.03);
}

.i-metric:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.i-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

.i-value-group {
    text-align: right;
}

.i-value {
    display: block;
    font-weight: 800;
    color: var(--text-main);
    font-size: 1rem;
}

.i-trend {
    font-size: 0.75rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 4px;
}

.i-trend.up { color: #10b981; }
.i-trend.down { color: #ef4444; }

.insight-action {
    padding: 15px 20px;
    background: var(--bg-subtle);
    text-align: center;
    border-top: 1px solid rgba(0,0,0,0.05);
}

.action-btn {
    background: var(--text-main);
    color: #fff;
    border: none;
    padding: 8px 20px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    width: 100%;
}

.action-btn:hover {
    background: var(--primary);
}

/* ============================================
   PROCESS
   ============================================ */

.process {
    padding: var(--space-xl) 0;
    background: var(--bg-subtle);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-lg);
}

.step {
    position: relative;
    padding: 40px 30px;
    background: #fff;
    border-radius: 24px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s;
}

.step:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-md);
}

.step-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    color: var(--tertiary);
    margin-bottom: var(--space-md);
    opacity: 0.5;
}

.step h3 {
    font-size: 1.3rem;
    margin-bottom: var(--space-sm);
    color: var(--text-main);
    font-weight: 700;
}

.step p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ============================================
   CONTACT
   ============================================ */

.contact {
    padding: 120px 0;
    background: #fff;
    position: relative;
    overflow: hidden;
}

/* Decorative blob for contact */
.contact::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.1) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    z-index: 0;
}

.contact-wrapper {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.contact-title {
    font-family: var(--font-display);
    font-size: 3rem;
    margin-bottom: var(--space-sm);
    color: var(--text-main);
}

.contact-text {
    color: var(--text-muted);
    margin-bottom: var(--space-lg);
    font-size: 1.2rem;
}

.contact-form {
    text-align: left;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    padding: 40px;
    border-radius: 32px;
    border: 1px solid rgba(0,0,0,0.05);
    margin-bottom: var(--space-lg);
    box-shadow: var(--shadow-lg);
}

.form-group {
    position: relative;
    margin-bottom: 30px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    background: var(--bg-subtle);
    border: 2px solid transparent;
    border-radius: 12px;
    padding: 15px;
    color: var(--text-main);
    font-family: var(--font-mono);
    font-size: 1rem;
    outline: none;
    transition: all 0.3s;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group label {
    position: absolute;
    top: 15px;
    left: 15px;
    color: var(--text-muted);
    pointer-events: none;
    transition: all 0.3s;
    font-size: 0.9rem;
    background: transparent;
    padding: 0 4px;
}

.form-group input:focus,
.form-group textarea:focus {
    background: #fff;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.form-group input:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
    top: -10px;
    left: 10px;
    font-size: 0.75rem;
    color: var(--primary);
    background: #fff;
    font-weight: 600;
}

.btn-block {
    width: 100%;
    cursor: pointer;
    font-size: 1.1rem;
    padding: 18px;
}

.direct-contact {
    margin-top: var(--space-lg);
    color: var(--text-muted);
    font-size: 1rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    margin-top: var(--space-md);
}

.social-link {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: color 0.3s;
}

.social-link:hover {
    color: var(--primary);
}

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

footer {
    padding: var(--space-lg) 0;
    background: #fff;
    border-top: 1px solid rgba(0,0,0,0.05);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.copyright {
    color: var(--text-muted);
    font-size: 0.9rem;
}

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

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--primary);
}

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

@media (max-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .case-study,
    .case-study.reverse {
        grid-template-columns: 1fr;
        direction: ltr;
        margin-bottom: 80px;
    }
    
    .case-study.reverse .case-content {
        direction: ltr;
    }
    
    .nav-links {
        display: none; /* Mobile menu could be added here */
    }
    
    .contact-form {
        padding: 20px;
    }
}