/* DESIGN SYSTEM - GM TECH PRO */
:root {
    --bg-main: #070D1F;
    --bg-secondary: #0F172A;
    --bg-card: #131E38;
    --bg-card-hover: #19284D;
    --primary-cyan: #00F5D4;
    --secondary-cyan: #00BBF9;
    --text-white: #F8FAFC;
    --text-gray: #94A3B8;
    --border-color: rgba(0, 245, 212, 0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-white);
    line-height: 1.7;
    overflow-x: hidden;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.section-padding {
    padding: 100px 0;
}

.bg-alt {
    background-color: var(--bg-secondary);
}

/* NAVBAR */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(7, 13, 31, 0.85);
    backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    padding: 18px 0;
    transition: var(--transition);
}

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

.logo {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    line-height: 1.1;
}

.logo-primary {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-white);
    letter-spacing: 1px;
}

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

.logo-tagline {
    font-size: 0.65rem;
    color: var(--text-gray);
    letter-spacing: 1.5px;
    font-weight: 600;
}

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

.nav-links a {
    color: var(--text-white);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

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

.btn-nav {
    background: transparent;
    border: 2px solid var(--primary-cyan);
    padding: 8px 22px;
    border-radius: 6px;
    color: var(--primary-cyan) !important;
}

.btn-nav:hover {
    background: var(--primary-cyan);
    color: var(--bg-main) !important;
    box-shadow: 0 0 15px rgba(0, 245, 212, 0.4);
}

.hamburger {
    display: none;
    font-size: 1.5rem;
    color: var(--text-white);
    cursor: pointer;
}

/* HERO SECTION */
.hero {
    position: relative;
    padding-top: 160px;
    padding-bottom: 120px;
    min-height: 95vh;
    display: flex;
    align-items: center;
}

.hero-bg-glow {
    position: absolute;
    top: 20%;
    left: 10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 245, 212, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 50px;
    align-items: center;
}

.badge, .badge-sm {
    background: rgba(0, 245, 212, 0.08);
    color: var(--primary-cyan);
    padding: 8px 18px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid var(--border-color);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 25px;
}

.hero-text h1 {
    font-size: 3.2rem;
    line-height: 1.15;
    margin-bottom: 20px;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.hero-text p {
    color: var(--text-gray);
    font-size: 1.15rem;
    margin-bottom: 35px;
}

.hero-btns {
    display: flex;
    gap: 16px;
    margin-bottom: 35px;
}

.btn {
    padding: 14px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

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

.btn-primary:hover {
    box-shadow: 0 0 25px rgba(0, 245, 212, 0.5);
    transform: translateY(-2px);
}

.btn-secondary {
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-white);
}

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

.hero-highlights {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-gray);
    font-size: 0.95rem;
}

.highlight-item i {
    color: var(--primary-cyan);
}

/* TERMINAL CARD */
.tech-card {
    background: var(--bg-card);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    overflow: hidden;
}

.tech-header {
    background: rgba(0, 0, 0, 0.3);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid var(--border-color);
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}
.dot.red { background: #FF5F56; }
.dot.yellow { background: #FFBD2E; }
.dot.green { background: #27C93F; }

.terminal-title {
    margin-left: 10px;
    font-size: 0.8rem;
    color: var(--text-gray);
    font-family: monospace;
}

.terminal-body {
    padding: 24px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9rem;
    line-height: 1.8;
}

.prompt {
    color: var(--primary-cyan);
    font-weight: bold;
}

.success {
    color: #27C93F;
    font-weight: bold;
}

.cyan {
    color: var(--secondary-cyan);
    font-weight: bold;
}

.blink {
    animation: blink 1s infinite;
}

@keyframes blink {
    50% { opacity: 0; }
}

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

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 12px;
    font-weight: 700;
}

.underline {
    width: 70px;
    height: 4px;
    background: var(--primary-cyan);
    margin: 0 auto 15px auto;
    border-radius: 2px;
}

.section-header p {
    color: var(--text-gray);
}

/* SERVICES */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--bg-card);
    padding: 40px 30px;
    border-radius: 14px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
}

.service-card.featured {
    background: linear-gradient(145deg, var(--bg-card), #102347);
    border-color: var(--primary-cyan);
    box-shadow: 0 10px 30px rgba(0, 245, 212, 0.1);
}

.featured-tag {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--primary-cyan);
    color: var(--bg-main);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 20px;
}

.service-card:hover {
    transform: translateY(-8px);
    background: var(--bg-card-hover);
    border-color: var(--primary-cyan);
}

.service-icon {
    width: 65px;
    height: 65px;
    background: rgba(0, 245, 212, 0.08);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--primary-cyan);
    margin-bottom: 25px;
}

.service-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
}

.service-card p {
    color: var(--text-gray);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.service-list {
    list-style: none;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 15px;
}

.service-list li {
    font-size: 0.9rem;
    color: var(--text-white);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.service-list li::before {
    content: "✓";
    color: var(--primary-cyan);
    font-weight: bold;
}

/* ABOUT SECTION */
.about-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
}

.about-content h2 {
    font-size: 2.2rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.about-content p {
    color: var(--text-gray);
    margin-bottom: 30px;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.feature-box {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    background: var(--bg-card);
    padding: 20px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.feature-box i {
    font-size: 1.8rem;
    color: var(--primary-cyan);
    margin-top: 2px;
}

.feature-box h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.feature-box p {
    font-size: 0.9rem;
    margin-bottom: 0;
    color: var(--text-gray);
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.stat-box {
    background: var(--bg-card);
    padding: 25px 30px;
    border-radius: 12px;
    border-left: 4px solid var(--primary-cyan);
    border-top: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.stat-box h3 {
    color: var(--primary-cyan);
    font-size: 1.4rem;
    margin-bottom: 5px;
}

.stat-box p {
    color: var(--text-gray);
    font-size: 0.95rem;
    margin: 0;
}

/* CONTACT SECTION */
.contact-card-wrapper {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-card);
    padding: 50px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

.contact-info-box h3 {
    color: var(--primary-cyan);
    font-size: 1.5rem;
    margin-bottom: 30px;
    text-align: center;
    letter-spacing: 0.5px;
}

.contact-detail {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.contact-detail:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.contact-detail i {
    font-size: 1.5rem;
    color: var(--secondary-cyan);
    margin-top: 4px;
}

.contact-detail strong {
    display: block;
    margin-bottom: 4px;
    color: var(--text-white);
}

.contact-detail p {
    color: var(--text-gray);
    margin: 0;
}

/* FOOTER */
footer {
    background: #040814;
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

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

.footer-address {
    font-size: 0.8rem !important;
    margin-top: 6px;
    opacity: 0.7;
}

/* RESPONSIVE */
@media (max-width: 992px) {
    .hero-content, .about-grid {
        grid-template-columns: 1fr;
    }
    .hero-text h1 {
        font-size: 2.6rem;
    }
    .hero-card-wrapper {
        margin-top: 30px;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--bg-main);
        flex-direction: column;
        justify-content: center;
        transition: var(--transition);
        border-top: 1px solid var(--border-color);
    }

    .nav-links.active {
        left: 0;
    }

    .hero-text h1 {
        font-size: 2.2rem;
    }

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

    .contact-card-wrapper {
        padding: 30px 20px;
    }
}