/* =========================================
   Vertex Apps — Emerald & Dark Theme
   ========================================= */

:root {
    --bg-base: #0B1120;
    --bg-surface: #0F172A;
    --bg-elevated: #1E293B;
    --bg-card: rgba(15, 23, 42, 0.8);
    --text-primary: #F1F5F9;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    --accent: #10B981;
    --accent-light: #34D399;
    --accent-dark: #059669;
    --accent-teal: #14B8A6;
    --accent-glow: rgba(16, 185, 129, 0.12);
    --border: rgba(148, 163, 184, 0.08);
    --border-accent: rgba(16, 185, 129, 0.2);
    --gradient: linear-gradient(135deg, var(--accent), var(--accent-teal));
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
    --radius: 12px;
    --radius-lg: 16px;
    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', -apple-system, sans-serif;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    background: var(--bg-base);
    color: var(--text-primary);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

a:hover {
    color: var(--accent-light);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

/* --- Network Canvas --- */
#network-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    opacity: 0.4;
}

/* --- Navbar --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1rem 0;
    transition: all var(--transition);
}

.navbar.scrolled {
    background: rgba(11, 17, 32, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
}

.logo-icon {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.08em;
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.25rem;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all var(--transition);
}

.nav-link:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.04);
}

.nav-link-cta {
    color: var(--bg-base) !important;
    background: var(--gradient) !important;
    font-weight: 600;
    margin-left: 0.5rem;
}

.nav-link-cta:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 22px;
    height: 2px;
    background: var(--text-secondary);
    border-radius: 2px;
    transition: all var(--transition);
}

/* --- Hero --- */
.hero {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 7rem 2rem 4rem;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 1.5rem;
    opacity: 0;
    animation: fadeUp 0.6s ease forwards 0.2s;
}

.tag-dot {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 12px var(--accent);
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {

    0%,
    100% {
        box-shadow: 0 0 8px var(--accent);
    }

    50% {
        box-shadow: 0 0 20px var(--accent), 0 0 40px rgba(16, 185, 129, 0.3);
    }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.8rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
    opacity: 0;
    animation: fadeUp 0.6s ease forwards 0.4s;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2.5rem;
    line-height: 1.8;
    opacity: 0;
    animation: fadeUp 0.6s ease forwards 0.6s;
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 4rem;
    opacity: 0;
    animation: fadeUp 0.6s ease forwards 0.8s;
}

.hero-metrics {
    display: flex;
    justify-content: center;
    gap: 3rem;
    opacity: 0;
    animation: fadeUp 0.6s ease forwards 1s;
}

.metric {
    min-width: 120px;
    text-align: center;
}

.metric-value {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--accent);
}

.metric-value .counter {
    font-variant-numeric: tabular-nums;
}

.metric-label {
    font-size: 0.78rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.5rem;
}

.metric-bar {
    height: 2px;
    background: var(--border);
    border-radius: 1px;
    overflow: hidden;
}

.metric-bar span {
    display: block;
    height: 100%;
    width: 0;
    background: var(--gradient);
    border-radius: 1px;
    transition: width 1.5s ease;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(25px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.8rem;
    font-family: var(--font-body);
    font-size: 0.88rem;
    font-weight: 600;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient);
    color: var(--bg-base);
    box-shadow: 0 4px 20px rgba(16, 185, 129, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(16, 185, 129, 0.35);
    color: var(--bg-base);
}

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

.btn-ghost:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-glow);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* --- Sections --- */
.section {
    position: relative;
    z-index: 1;
    padding: 6rem 0;
}

.section-alt {
    background: var(--bg-surface);
}

.section-label {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.label-line {
    width: 32px;
    height: 2px;
    background: var(--gradient);
    border-radius: 1px;
}

.section-label span {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.2em;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 3rem;
}

/* --- About --- */
.about-layout {
    display: grid;
    grid-template-columns: 1.3fr 0.7fr;
    gap: 4rem;
    align-items: start;
}

.about-text .lead {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.about-cards {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.info-card {
    display: flex;
    gap: 1rem;
    padding: 1.2rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: all var(--transition);
}

.info-card:hover {
    border-color: var(--border-accent);
    box-shadow: 0 0 24px var(--accent-glow);
}

.card-marker {
    width: 4px;
    min-height: 100%;
    background: var(--gradient);
    border-radius: 2px;
    flex-shrink: 0;
}

.card-body h3 {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.3rem;
}

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

/* --- Services --- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.service-card {
    padding: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all var(--transition);
    opacity: 0;
    transform: translateY(30px);
}

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

.service-card:hover {
    border-color: var(--border-accent);
    box-shadow: 0 0 30px var(--accent-glow);
    transform: translateY(-4px);
}

.service-card.visible:hover {
    transform: translateY(-4px);
}

.service-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.3;
    line-height: 1;
    margin-bottom: 1rem;
}

.service-card h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.8rem;
}

.service-card p {
    color: var(--text-secondary);
    font-size: 0.88rem;
    line-height: 1.7;
    margin-bottom: 1.2rem;
}

.service-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.service-stack span {
    font-size: 0.7rem;
    font-weight: 500;
    padding: 0.25rem 0.65rem;
    border-radius: 6px;
    background: var(--accent-glow);
    color: var(--accent);
    border: 1px solid var(--border-accent);
}

/* --- Expertise --- */
.expertise-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    margin-bottom: 3rem;
}

.expertise-cat {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 1.5rem;
}

.skill-rows {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.skill-row {
    display: grid;
    grid-template-columns: 160px 1fr 40px;
    align-items: center;
    gap: 1rem;
}

.skill-label {
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.skill-track {
    height: 4px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 2px;
    overflow: hidden;
}

.skill-fill {
    height: 100%;
    width: 0;
    background: var(--gradient);
    border-radius: 2px;
    transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill-pct {
    font-family: var(--font-display);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--accent);
    text-align: right;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.tech-tags span {
    font-size: 0.75rem;
    padding: 0.35rem 0.9rem;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.02);
    color: var(--text-muted);
    border: 1px solid var(--border);
    transition: all var(--transition);
}

.tech-tags span:hover {
    color: var(--accent);
    border-color: var(--border-accent);
    background: var(--accent-glow);
}

/* --- Experience --- */
.exp-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.exp-card {
    padding: 1.8rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all var(--transition);
    opacity: 0;
    transform: translateY(20px);
}

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

.exp-card:hover {
    border-color: var(--border-accent);
}

.exp-header {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 0.8rem;
}

.exp-date {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 0.05em;
}

.exp-badge {
    font-size: 0.65rem;
    font-weight: 600;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.exp-badge.current {
    background: var(--accent-glow);
    color: var(--accent);
    border: 1px solid var(--border-accent);
}

.exp-card h3 {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.2rem;
}

.exp-card h4 {
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--text-muted);
    margin-bottom: 0.8rem;
}

.exp-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.exp-clients {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-top: 1rem;
}

.exp-clients span {
    font-size: 0.68rem;
    font-weight: 500;
    padding: 0.2rem 0.6rem;
    border-radius: 5px;
    background: rgba(59, 130, 246, 0.08);
    color: #93C5FD;
    border: 1px solid rgba(59, 130, 246, 0.12);
}

/* --- Contact --- */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.contact-info .lead {
    font-size: 1.05rem;
    color: var(--text-primary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    margin-bottom: 2rem;
}

.contact-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-primary);
    text-decoration: none;
}

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

.contact-row strong {
    display: block;
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 500;
    margin-bottom: 0.1rem;
}

.contact-row span {
    font-size: 0.95rem;
    color: var(--text-primary);
}

.social-row {
    display: flex;
    gap: 0.6rem;
}

.social-row a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    transition: all var(--transition);
}

.social-row a:hover {
    color: var(--accent);
    border-color: var(--border-accent);
    background: var(--accent-glow);
    transform: translateY(-2px);
}

.contact-form-card {
    padding: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}

.form-field {
    margin-bottom: 1.2rem;
}

.form-field label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.4rem;
}

.form-field input,
.form-field textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: 8px;
    outline: none;
    transition: all var(--transition);
    resize: vertical;
}

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

.form-field input:focus,
.form-field textarea:focus {
    border-color: var(--accent);
    background: rgba(16, 185, 129, 0.03);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.08);
}

/* --- Footer --- */
.footer {
    position: relative;
    z-index: 1;
    border-top: 1px solid var(--border);
    padding: 2.5rem 0 1.5rem;
    background: var(--bg-base);
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.footer-nav {
    display: flex;
    gap: 1.5rem;
}

.footer-nav a {
    color: var(--text-muted);
    font-size: 0.82rem;
    font-weight: 500;
    transition: color var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

.footer-bottom p {
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .exp-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--bg-surface);
        flex-direction: column;
        padding: 5rem 2rem 2rem;
        transition: right 0.4s ease;
        border-left: 1px solid var(--border);
        z-index: 999;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-link {
        font-size: 1rem;
        padding: 0.8rem 1rem;
    }

    .nav-link-cta {
        margin-left: 0;
        margin-top: 0.5rem;
        text-align: center;
    }

    .hero {
        padding: 5rem 1.5rem 3rem;
    }

    .hero-metrics {
        flex-direction: column;
        gap: 1.5rem;
    }

    .about-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

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

    .skill-row {
        grid-template-columns: 120px 1fr 35px;
    }

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

    .contact-layout {
        grid-template-columns: 1fr;
    }

    .section {
        padding: 4rem 0;
    }

    .footer-top {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }

    .footer-nav {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1.2rem;
    }

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

    .hero-cta .btn {
        width: 100%;
        justify-content: center;
    }
}