/* ===================================
   CABH Consultancy Ltd - Main Styles
   =================================== */

/* CSS Variables */
:root {
    --color-bg: #0a0f1a;
    --color-bg-secondary: #111827;
    --color-bg-card: #1f2937;
    --color-primary: #2dd4bf;
    --color-primary-dark: #14b8a6;
    --color-text: #f9fafb;
    --color-text-muted: #9ca3af;
    --color-border: #374151;
    --font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
    --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(45, 212, 191, 0.3);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

img {
    max-width: 100%;
    height: auto;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    gap: 8px;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-bg);
}

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

.btn-outline {
    background: transparent;
    color: var(--color-text);
    border: 2px solid var(--color-border);
}

.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 16px;
}

.btn-full {
    width: 100%;
}

/* ===================================
   Header
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 15, 26, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    transition: all 0.3s ease;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 44px;
    height: 44px;
    color: var(--color-primary);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-name {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 1px;
    line-height: 1.2;
}

.logo-tagline {
    font-size: 11px;
    color: var(--color-text-muted);
    letter-spacing: 2px;
    text-transform: uppercase;
}

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

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-muted);
    transition: color 0.3s ease;
}

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

.header-cta {
    display: none;
}

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

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: all 0.3s ease;
}

@media (min-width: 1024px) {
    .header-cta {
        display: inline-flex;
    }
}

@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--color-bg-secondary);
        flex-direction: column;
        padding: 20px;
        gap: 16px;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }

    .nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .mobile-toggle {
        display: flex;
    }

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

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

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

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

#particleCanvas {
    width: 100%;
    height: 100%;
}

.hero-container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr;
    gap: 60px;
    align-items: center;
}

@media (min-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr 1fr;
    }
}

.hero-content {
    max-width: 600px;
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(45, 212, 191, 0.1);
    border: 1px solid rgba(45, 212, 191, 0.3);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 24px;
}

.hero-title {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--color-primary), #818cf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 18px;
    color: var(--color-text-muted);
    margin-bottom: 32px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

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

.stat-number {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-primary);
}

.stat-label {
    font-size: 13px;
    color: var(--color-text-muted);
}

/* Code Window */
.hero-visual {
    position: relative;
    display: none;
}

@media (min-width: 1024px) {
    .hero-visual {
        display: block;
    }
}

.code-window {
    background: var(--color-bg-secondary);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
}

.code-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--color-border);
}

.code-dots {
    display: flex;
    gap: 6px;
}

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

.dot.red { background: #ef4444; }
.dot.yellow { background: #f59e0b; }
.dot.green { background: #22c55e; }

.code-title {
    font-size: 12px;
    color: var(--color-text-muted);
}

.code-body {
    padding: 24px;
}

.code-body pre {
    font-family: 'Fira Code', 'Consolas', monospace;
    font-size: 14px;
    line-height: 1.8;
}

.code-body .keyword { color: #c678dd; }
.code-body .variable { color: #e5c07b; }
.code-body .property { color: #61afef; }
.code-body .string { color: #98c379; }
.code-body .function { color: #61afef; }
.code-body .parameter { color: #e06c75; }

.floating-badge {
    position: absolute;
    bottom: -20px;
    right: 40px;
    background: var(--color-primary);
    color: var(--color-bg);
    padding: 16px 24px;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-glow);
}

.badge-number {
    display: block;
    font-size: 28px;
    font-weight: 700;
}

.badge-text {
    font-size: 12px;
    font-weight: 500;
}

/* Scroll Indicator */
.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--color-text-muted);
    font-size: 12px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* ===================================
   Section Styles
   =================================== */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-badge {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(45, 212, 191, 0.1);
    border: 1px solid rgba(45, 212, 191, 0.3);
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(32px, 4vw, 44px);
    font-weight: 700;
    margin-bottom: 16px;
}

.section-description {
    font-size: 18px;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* ===================================
   About Section
   =================================== */
.about {
    background: var(--color-bg-secondary);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 48px;
}

.about-card {
    background: var(--color-bg-card);
    border-radius: 16px;
    padding: 32px;
    border: 1px solid var(--color-border);
    transition: all 0.3s ease;
}

.about-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-primary);
}

.about-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.about-icon svg {
    width: 28px;
    height: 28px;
}

.about-icon.mission {
    background: rgba(45, 212, 191, 0.2);
    color: var(--color-primary);
}

.about-icon.vision {
    background: rgba(139, 92, 246, 0.2);
    color: #a78bfa;
}

.about-icon.values {
    background: rgba(251, 191, 36, 0.2);
    color: #fbbf24;
}

.about-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.about-card p {
    color: var(--color-text-muted);
    font-size: 15px;
    line-height: 1.7;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--color-bg-card);
    border-radius: 8px;
    border: 1px solid var(--color-border);
}

.feature-item svg {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
    flex-shrink: 0;
}

.feature-item span {
    font-size: 14px;
    font-weight: 500;
}

/* ===================================
   Services Section
   =================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.service-card {
    position: relative;
    background: var(--color-bg-secondary);
    border-radius: 16px;
    padding: 32px;
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-primary);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.service-number {
    position: absolute;
    top: 16px;
    right: 20px;
    font-size: 64px;
    font-weight: 700;
    color: rgba(45, 212, 191, 0.08);
    line-height: 1;
}

.service-icon {
    width: 56px;
    height: 56px;
    background: rgba(45, 212, 191, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--color-primary);
}

.service-icon svg {
    width: 28px;
    height: 28px;
}

.service-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.service-card p {
    color: var(--color-text-muted);
    font-size: 15px;
    line-height: 1.7;
}

/* ===================================
   Why Choose Us Section
   =================================== */
.why-us {
    background: var(--color-bg-secondary);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.why-card {
    background: var(--color-bg-card);
    border-radius: 16px;
    padding: 32px;
    border: 1px solid var(--color-border);
    text-align: center;
    transition: all 0.3s ease;
}

.why-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-primary);
}

.why-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
}

.why-icon svg {
    width: 28px;
    height: 28px;
}

.why-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
}

.why-card p {
    color: var(--color-text-muted);
    font-size: 14px;
    line-height: 1.6;
}

/* ===================================
   Contact Section
   =================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
}

@media (min-width: 1024px) {
    .contact-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.contact-info h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 16px;
}

.contact-info > p {
    color: var(--color-text-muted);
    font-size: 16px;
    margin-bottom: 32px;
    line-height: 1.7;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 32px;
}

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

.contact-icon {
    width: 48px;
    height: 48px;
    background: rgba(45, 212, 191, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    flex-shrink: 0;
}

.contact-icon svg {
    width: 22px;
    height: 22px;
}

.contact-item h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
}

.contact-item p {
    color: var(--color-text-muted);
    font-size: 15px;
}

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

.social-links {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 44px;
    height: 44px;
    background: var(--color-bg-card);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
    transition: all 0.3s ease;
}

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

.social-link svg {
    width: 20px;
    height: 20px;
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--color-bg-secondary);
    border-radius: 20px;
    padding: 40px;
    border: 1px solid var(--color-border);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

@media (min-width: 640px) {
    .form-row {
        grid-template-columns: 1fr 1fr;
    }
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 16px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    font-family: inherit;
    font-size: 15px;
    color: var(--color-text);
    transition: all 0.3s ease;
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(45, 212, 191, 0.1);
}

.form-group select {
    cursor: pointer;
}

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

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: 80px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    margin-bottom: 48px;
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand p {
    color: var(--color-text-muted);
    font-size: 14px;
    line-height: 1.7;
    max-width: 280px;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
}

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

.footer-links a {
    color: var(--color-text-muted);
    font-size: 14px;
    transition: color 0.3s ease;
}

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

.footer-contact p {
    color: var(--color-text-muted);
    font-size: 14px;
    margin-bottom: 8px;
}

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

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.footer-bottom p {
    color: var(--color-text-muted);
    font-size: 14px;
}

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

.hero-content,
.hero-visual {
    animation: fadeInUp 0.8s ease-out;
}

/* Responsive adjustments */
@media (max-width: 640px) {
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    .contact-form-wrapper {
        padding: 24px;
    }
}