/* NuPower BC - Styles */
/* Modern, energetic, electrical: dark charcoal, electric cyan/blue, tech-forward */

:root {
    --color-bg: #0D1117;
    --color-bg-card: #161B22;
    --color-bg-card-hover: #1C2128;
    --color-border: #30363D;
    --color-cyan: #00D4AA;
    --color-cyan-glow: rgba(0, 212, 170, 0.3);
    --color-cyan-dim: rgba(0, 212, 170, 0.1);
    --color-blue: #58A6FF;
    --color-text: #C9D1D9;
    --color-text-muted: #8B949E;
    --color-text-dark: #0D1117;
    --color-white: #F0F6FC;
    --font-heading: 'Space Grotesk', -apple-system, sans-serif;
    --font-body: 'Inter', -apple-system, sans-serif;
    --transition: all 0.3s ease;
    --shadow: 0 0 40px rgba(0, 212, 170, 0.08);
    --shadow-lg: 0 0 60px rgba(0, 212, 170, 0.12);
    --radius: 10px;
    --radius-sm: 6px;
}

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

html { scroll-behavior: smooth; }

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

.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(13, 17, 23, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
}

.nav-container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 68px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-white);
}

.logo-bolt {
    width: 34px;
    height: 34px;
    background: var(--color-cyan);
    color: var(--color-bg);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 15px rgba(0, 212, 170, 0.4);
}

.logo-bolt svg {
    width: 20px;
    height: 20px;
}

.logo-accent {
    color: var(--color-cyan);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
    align-items: center;
}

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

.nav-menu a:hover {
    color: var(--color-cyan);
}

.nav-cta {
    background: var(--color-cyan);
    color: var(--color-bg) !important;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-weight: 600 !important;
}

.nav-cta:hover {
    background: #00E8B9 !important;
    color: var(--color-bg) !important;
    box-shadow: 0 0 20px rgba(0, 212, 170, 0.4);
}

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

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-cyan);
    transition: var(--transition);
}

/* Hero */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 68px;
    overflow: hidden;
}

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

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(13,17,23,0.93) 0%, rgba(13,17,23,0.8) 50%, rgba(22,27,34,0.9) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 740px;
    padding: 0 24px;
}

.hero-pretitle {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--color-cyan);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    font-weight: 600;
    margin-bottom: 20px;
}

.electric-line {
    display: inline-block;
    width: 30px;
    height: 2px;
    background: var(--color-cyan);
    box-shadow: 0 0 8px var(--color-cyan);
}

.hero-content h1 {
    font-family: var(--font-heading);
    font-size: clamp(2.4rem, 5vw, 4rem);
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.12;
    margin-bottom: 20px;
}

.hero-content p {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    max-width: 560px;
    margin: 0 auto 32px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 14px;
    justify-content: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 14px 28px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background: #00E8B9;
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 212, 170, 0.4);
}

.btn-glow {
    background: transparent;
    color: var(--color-white);
    border: 1px solid var(--color-cyan);
    box-shadow: 0 0 15px rgba(0, 212, 170, 0.15);
}

.btn-glow:hover {
    background: var(--color-cyan-dim);
    box-shadow: 0 0 25px rgba(0, 212, 170, 0.3);
}

.btn-full { width: 100%; }

.hero-highlights {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
}

.hl {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.hl-dot {
    width: 8px;
    height: 8px;
    background: var(--color-cyan);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--color-cyan);
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; box-shadow: 0 0 8px var(--color-cyan); }
    50% { opacity: 0.6; box-shadow: 0 0 4px var(--color-cyan); }
}

/* Section tag */
.section-tag {
    display: inline-block;
    color: var(--color-cyan);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    font-weight: 600;
    margin-bottom: 12px;
}

.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-header h2 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 14px;
}

.section-header p {
    color: var(--color-text-muted);
    max-width: 520px;
    margin: 0 auto;
    font-size: 1rem;
}

/* Services */
.services {
    padding: 100px 0;
    background: var(--color-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.svc-card {
    background: var(--color-bg-card);
    padding: 36px 28px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.svc-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-cyan);
    box-shadow: var(--shadow);
}

.svc-card.featured {
    border-color: var(--color-cyan);
    background: linear-gradient(135deg, var(--color-bg-card) 0%, rgba(0,212,170,0.05) 100%);
}

.svc-glow {
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, var(--color-cyan-dim) 0%, transparent 70%);
    opacity: 0;
    transition: var(--transition);
}

.svc-card:hover .svc-glow {
    opacity: 1;
}

.svc-icon {
    width: 44px;
    height: 44px;
    background: var(--color-cyan-dim);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-cyan);
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

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

.svc-card h3 {
    font-family: var(--font-heading);
    color: var(--color-white);
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 10px;
    position: relative;
    z-index: 1;
}

.svc-card p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}

.svc-link {
    color: var(--color-cyan);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.svc-link:hover {
    color: #00E8B9;
}

/* About */
.about {
    padding: 100px 0;
    background: var(--color-bg-card);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
}

.about-text h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 16px;
    line-height: 1.2;
}

.about-text p {
    color: var(--color-text-muted);
    margin-bottom: 16px;
    font-size: 1rem;
    line-height: 1.7;
}

.about-stats {
    display: flex;
    gap: 32px;
    margin-top: 28px;
    flex-wrap: wrap;
}

.a-stat strong {
    display: block;
    color: var(--color-cyan);
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
}

.a-stat span {
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

/* Code card */
.about-visual {
    display: flex;
    justify-content: center;
}

.code-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    width: 100%;
    max-width: 380px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.code-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    background: rgba(0, 212, 170, 0.05);
    border-bottom: 1px solid var(--color-border);
}

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

.code-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.code-dots span:nth-child(1) { background: #FF5F56; }
.code-dots span:nth-child(2) { background: #FFBD2E; }
.code-dots span:nth-child(3) { background: #27C93F; }

.code-title {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.code-body {
    padding: 18px;
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.82rem;
}

.code-line {
    margin-bottom: 6px;
    line-height: 1.8;
}

.code-kw { color: var(--color-cyan); }
.code-str { color: #A5D6FF; }
.code-bool { color: #FF7B72; }

/* Contact */
.contact {
    padding: 100px 0;
    background: var(--color-bg);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: start;
}

.contact-info h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 14px;
    line-height: 1.2;
}

.contact-info > p {
    color: var(--color-text-muted);
    margin-bottom: 32px;
    font-size: 1rem;
    line-height: 1.7;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.c-method {
    display: flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
    padding: 16px 18px;
    background: var(--color-bg-card);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.c-method:hover {
    border-color: var(--color-cyan);
    box-shadow: var(--shadow);
    transform: translateX(4px);
}

.c-icon {
    width: 40px;
    height: 40px;
    background: var(--color-cyan-dim);
    color: var(--color-cyan);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.c-icon svg {
    width: 18px;
    height: 18px;
}

.c-method div strong {
    display: block;
    color: var(--color-text-muted);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 2px;
}

.c-method div span {
    color: var(--color-white);
    font-size: 0.95rem;
    font-weight: 600;
}

.contact-form-wrap {
    background: var(--color-bg-card);
    padding: 36px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

.contact-form-wrap h3 {
    font-family: var(--font-heading);
    color: var(--color-white);
    margin-bottom: 24px;
    font-size: 1.2rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    color: var(--color-text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 14px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-cyan);
    box-shadow: 0 0 0 3px var(--color-cyan-dim);
}

.form-group textarea {
    resize: vertical;
}

/* Footer */
.footer {
    background: var(--color-bg-card);
    border-top: 1px solid var(--color-border);
    padding: 56px 0 20px;
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand {
    display: flex;
    gap: 14px;
}

.footer-brand .logo-bolt {
    flex-shrink: 0;
}

.footer-brand strong {
    display: block;
    color: var(--color-white);
    font-family: var(--font-heading);
    font-size: 1.1rem;
    margin-bottom: 6px;
}

.footer-brand p {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    line-height: 1.6;
}

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

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

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

.footer-contact p,
.footer-contact a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    margin-bottom: 6px;
    display: block;
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
}

.footer-bottom p {
    color: var(--color-text-muted);
    font-size: 0.8rem;
}

/* Mobile */
@media (max-width: 768px) {
    .nav-toggle { display: flex; }
    
    .nav-menu {
        position: fixed;
        top: 68px;
        left: 0;
        right: 0;
        background: var(--color-bg);
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        border-bottom: 1px solid var(--color-border);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-highlights {
        flex-direction: column;
        gap: 12px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-stats {
        gap: 20px;
    }
    
    .footer-top {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}