/* ============================================
   AID Consulting - Clean Light Theme (Bind.hr Style)
   ============================================ */

:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-card: #ffffff;
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --accent-start: #6366f1;
    --accent-end: #8b5cf6;
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
    
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.08);
    --shadow-card: 0 2px 8px rgba(0,0,0,0.04), 0 8px 32px rgba(0,0,0,0.06);
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    --container-max: 1200px;
    --section-padding: 100px;
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

p {
    color: var(--text-secondary);
}

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

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 14px rgba(99,102,241,0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99,102,241,0.35);
}

.btn-secondary {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-secondary);
    border-color: var(--text-muted);
}

.btn-full {
    width: 100%;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: all var(--transition-normal);
}

.nav.scrolled {
    border-bottom-color: var(--border-color);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: baseline;
    gap: 6px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-sub {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

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

.nav-links .btn {
    padding: 10px 20px;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-fast);
    border-radius: 2px;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Hero Section */
.hero {
    padding: 140px 24px 80px;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.hero-container {
    max-width: var(--container-max);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content h1 {
    margin-bottom: 32px;
    line-height: 1.1;
}

.hero-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

.hero-features li {
    display: flex;
    align-items: baseline;
    gap: 12px;
}

.hero-features li::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--accent-gradient);
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 6px;
}

.hero-features strong {
    color: var(--text-primary);
    margin-right: 4px;
}

.hero-features span {
    color: var(--text-secondary);
}

.hero-description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: 16px;
}

/* Code Window */
.hero-visual {
    display: flex;
    justify-content: center;
}

.code-window {
    background: #1e1e2e;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 500px;
}

.code-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: #181825;
    border-bottom: 1px solid #313244;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background: #f38ba8; }
.dot.yellow { background: #f9e2af; }
.dot.green { background: #a6e3a1; }

.filename {
    margin-left: 12px;
    font-size: 0.8rem;
    color: #6c7086;
    font-family: 'SF Mono', Monaco, monospace;
}

.code-content {
    padding: 20px;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: 0.85rem;
    line-height: 1.7;
    color: #cdd6f4;
    overflow-x: auto;
}

.code-content .keyword { color: #cba6f7; }
.code-content .class { color: #89b4fa; }
.code-content .function { color: #a6e3a1; }
.code-content .string { color: #f9e2af; }

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.section-subtitle {
    text-align: center;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-start);
    margin-bottom: 40px;
}

.section-title {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    text-align: center;
    margin-bottom: 60px;
}

/* Services Section */
.services {
    padding: var(--section-padding) 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    opacity: 0;
    transform: translateY(20px);
}

.service-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.service-card:hover {
    border-color: var(--accent-start);
    box-shadow: var(--shadow-card);
    transform: translateY(-4px);
}

.service-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, rgba(99,102,241,0.1) 0%, rgba(139,92,246,0.1) 100%);
    border-radius: var(--radius-md);
    color: var(--accent-start);
}

.service-card h3 {
    margin-bottom: 12px;
    font-size: 1.25rem;
}

.service-card p {
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.service-link {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent-start);
    transition: gap var(--transition-fast);
}

.service-link:hover {
    color: var(--accent-end);
}

/* Use Cases Section */
.use-cases {
    padding: var(--section-padding) 0;
    background: var(--bg-secondary);
}

.use-cases-title {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-start);
    text-align: center;
    margin-bottom: 40px;
}

.use-cases-slider {
    display: flex;
    gap: 24px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding: 20px 0;
    margin: 0 -24px;
    padding-left: 24px;
    padding-right: 24px;
    cursor: grab;
    -webkit-overflow-scrolling: touch;
}

.use-cases-slider::-webkit-scrollbar {
    display: none;
}

.use-case-card {
    flex: 0 0 350px;
    scroll-snap-align: start;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
    opacity: 0;
    transform: translateY(20px);
}

.use-case-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.use-case-card:hover {
    box-shadow: var(--shadow-card);
    border-color: var(--accent-start);
}

.use-case-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-light);
}

.use-case-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.use-case-content {
    padding: 24px;
}

.use-case-content p {
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.code-example {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: 16px;
}

.code-app {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-start);
    margin-bottom: 8px;
}

.code-message {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Why Choose Section */
.why-choose {
    padding: var(--section-padding) 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    padding: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    transition: all var(--transition-normal);
    opacity: 0;
    transform: translateY(20px);
}

.feature-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.feature-card:hover {
    box-shadow: var(--shadow-card);
}

.feature-card h3 {
    margin-bottom: 16px;
    font-size: 1.35rem;
}

.feature-card > p {
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 32px;
}

.feature-stats {
    display: flex;
    gap: 32px;
}

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

.stat-value {
    font-size: 2rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Team Section */
.team {
    padding: var(--section-padding) 0;
    background: var(--bg-secondary);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.team-card {
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-normal);
}

.team-card:hover {
    border-color: var(--accent-start);
    box-shadow: var(--shadow-card);
    transform: translateY(-4px);
}

.team-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, rgba(99,102,241,0.1) 0%, rgba(139,92,246,0.1) 100%);
    border-radius: 50%;
    color: var(--accent-start);
}

.team-card h3 {
    margin-bottom: 4px;
    font-size: 1.15rem;
}

.team-role {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--accent-start);
    margin-bottom: 16px;
}

.team-card p {
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.team-skills {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
}

.team-skills span {
    padding: 4px 12px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
}

.link-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.link-btn:hover {
    border-color: var(--accent-start);
    color: var(--accent-start);
}

/* Blog Section */
.blog {
    padding: var(--section-padding) 0;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.blog-card {
    display: flex;
    flex-direction: column;
    padding: 28px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    opacity: 0;
    transform: translateY(20px);
}

.blog-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.blog-card:hover {
    border-color: var(--accent-start);
    box-shadow: var(--shadow-card);
    transform: translateY(-4px);
}

.blog-card.featured {
    background: linear-gradient(135deg, rgba(99,102,241,0.05) 0%, rgba(139,92,246,0.05) 100%);
}

.blog-tag {
    display: inline-block;
    padding: 4px 12px;
    margin-bottom: 16px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--accent-start);
    background: rgba(99,102,241,0.1);
    border-radius: var(--radius-full);
    width: fit-content;
}

.blog-card h3 {
    flex: 1;
    margin-bottom: 16px;
    font-size: 1rem;
    line-height: 1.5;
}

.blog-date {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.blog-more {
    text-align: center;
    margin-top: 48px;
}

/* Tech Stack */
.tech-stack {
    padding: 60px 0;
    background: var(--bg-secondary);
}

.tech-title {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-start);
    text-align: center;
    margin-bottom: 32px;
}

.tech-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}

.tech-item {
    padding: 10px 20px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.tech-item:hover {
    border-color: var(--accent-start);
    color: var(--accent-start);
}

/* Contact Section */
.contact {
    padding: var(--section-padding) 0;
}

.contact-header {
    text-align: center;
    margin-bottom: 60px;
}

.contact-header h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.contact-item svg {
    color: var(--accent-start);
    flex-shrink: 0;
}

.contact-item a {
    color: var(--text-secondary);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.contact-item a:hover {
    color: var(--accent-start);
}

/* Contact Form */
.contact-form {
    padding: 40px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    font-family: inherit;
    font-size: 1rem;
    color: var(--text-primary);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-start);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

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

/* Footer */
.footer {
    padding: 80px 0 40px;
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    padding-bottom: 60px;
    border-bottom: 1px solid var(--border-color);
}

.footer-logo {
    display: flex;
    align-items: baseline;
    gap: 6px;
    margin-bottom: 16px;
}

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

.footer-section h4 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.footer-section ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-section a {
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.footer-section a:hover {
    color: var(--accent-start);
}

.footer-bottom {
    padding-top: 40px;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-features {
        align-items: center;
    }
    
    .hero-description {
        margin: 0 auto 32px;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-visual {
        display: none;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 70px;
    }
    
    .nav-links {
        display: none;
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        background: var(--bg-primary);
        border-bottom: 1px solid var(--border-color);
        padding: 20px;
        box-shadow: var(--shadow-lg);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links a {
        padding: 16px 0;
        border-bottom: 1px solid var(--border-light);
        text-align: center;
    }
    
    .nav-links a:last-child {
        border-bottom: none;
        margin-top: 16px;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero {
        padding: 120px 24px 60px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .use-case-card {
        flex: 0 0 300px;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .feature-stats {
        flex-direction: column;
        gap: 16px;
    }
}

@media (max-width: 480px) {
    .contact-form {
        padding: 24px;
    }
    
    .service-card {
        padding: 24px;
    }
    
    .feature-card {
        padding: 28px;
    }
}

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

.hero-content {
    animation: fadeInUp 0.8s ease forwards;
}

/* Selection */
::selection {
    background: rgba(99,102,241,0.2);
    color: var(--text-primary);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}