/* CSS Variables */
:root {
    --color-bg-primary: #1a1410;
    --color-bg-secondary: #231c16;
    --color-bg-tertiary: #2d241c;
    --color-text-primary: #f5f0eb;
    --color-text-secondary: #b8a99a;
    --color-text-muted: #8a7968;
    --color-accent-primary: #d4a574;
    --color-accent-secondary: #b8860b;
    --color-accent-gradient: linear-gradient(135deg, #d4a574 0%, #b8860b 100%);
    --color-border: rgba(212, 165, 116, 0.15);
    --color-card-bg: rgba(212, 165, 116, 0.05);
    --color-card-hover: rgba(212, 165, 116, 0.1);
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --border-radius: 12px;
    --border-radius-lg: 20px;
}

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

html {
    scroll-behavior: smooth;
}

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

/* Animated Circuit Background */
#circuitCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

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

ul {
    list-style: none;
}

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

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Gradient Text */
.gradient-text {
    background: var(--color-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;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all var(--transition-medium);
    border: none;
    outline: none;
}

.btn-primary {
    background: var(--color-accent-gradient);
    color: var(--color-bg-primary);
    box-shadow: 0 4px 20px rgba(212, 165, 116, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(212, 165, 116, 0.4);
}

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

.btn-secondary:hover {
    background: var(--color-card-hover);
    border-color: var(--color-accent-primary);
}

.btn-large {
    padding: 16px 32px;
    font-size: 1rem;
}

.btn-full {
    width: 100%;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: rgba(26, 20, 16, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-medium);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 1.25rem;
}

.logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
}

.logo-text {
    color: var(--color-text-primary);
}

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

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

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

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

.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(--color-text-primary);
    transition: all var(--transition-fast);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
    z-index: 1;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(212, 165, 116, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 60%, rgba(184, 134, 11, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(212, 165, 116, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(212, 165, 116, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

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

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    color: var(--color-text-secondary);
    max-width: 650px;
    margin: 0 auto 40px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--color-accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

/* Services Section */
.services {
    position: relative;
    padding: 100px 0;
    background: var(--color-bg-secondary);
    z-index: 1;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
}

.section-tag {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(212, 165, 116, 0.1);
    border: 1px solid rgba(212, 165, 116, 0.2);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-accent-primary);
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-header p {
    color: var(--color-text-secondary);
    font-size: 1.1rem;
}

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

.service-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: 32px;
    transition: all var(--transition-medium);
}

.service-card:hover {
    background: var(--color-card-hover);
    border-color: rgba(212, 165, 116, 0.3);
    transform: translateY(-4px);
}

.service-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: var(--color-accent-gradient);
    border-radius: 14px;
    margin-bottom: 24px;
}

.service-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--color-bg-primary);
}

.service-card h3 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.service-card > p {
    color: var(--color-text-secondary);
    margin-bottom: 20px;
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

.service-features li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--color-accent-primary);
    border-radius: 50%;
    flex-shrink: 0;
}

/* Contact Section */
.contact {
    position: relative;
    padding: 100px 0;
    z-index: 1;
}

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

.contact-info .section-tag {
    margin-bottom: 16px;
}

.contact-info h2 {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.contact-info > p {
    color: var(--color-text-secondary);
    margin-bottom: 32px;
    font-size: 1.05rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--color-text-secondary);
}

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

/* Contact Form */
.contact-form {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: 32px;
}

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

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    color: var(--color-text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.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-accent-primary);
    box-shadow: 0 0 0 3px rgba(212, 165, 116, 0.1);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23a0a0b0' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 20px;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* Footer */
.footer {
    position: relative;
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: 60px 0 24px;
    z-index: 1;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

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

.footer-brand p {
    color: var(--color-text-secondary);
    max-width: 300px;
}

.footer-links h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--color-accent-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: 0.9rem;
}

/* Mobile Responsiveness */
@media (max-width: 968px) {
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 73px;
        left: 0;
        right: 0;
        bottom: 0;
        flex-direction: column;
        background: var(--color-bg-primary);
        padding: 40px 24px;
        gap: 24px;
        transform: translateX(100%);
        transition: transform var(--transition-medium);
    }

    .nav-links.active {
        transform: translateX(0);
    }

    .nav-links a {
        font-size: 1.25rem;
    }

    .hero-stats {
        gap: 32px;
    }

    .stat-number {
        font-size: 2rem;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .footer-brand p {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }

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

    .btn-large {
        width: 100%;
    }

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

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content > * {
    animation: fadeInUp 0.6s ease forwards;
}

.hero-content h1 { animation-delay: 0.1s; }
.hero-content .hero-subtitle { animation-delay: 0.2s; }
.hero-content .hero-cta { animation-delay: 0.3s; }
.hero-content .hero-stats { animation-delay: 0.4s; }