/* ============================================
   NUMABIT - Modern Tech Website
   ============================================ */

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #111118;
    --bg-card: #16161f;
    --bg-card-hover: #1c1c28;
    --border: #1e1e2e;
    --border-light: #2a2a3e;

    --text-primary: #f0f0f5;
    --text-secondary: #9494a8;
    --text-muted: #5c5c72;

    --accent-blue: #4d7cff;
    --accent-purple: #8b5cf6;
    --accent-cyan: #06d6a0;
    --accent-pink: #ec4899;

    --gradient-main: linear-gradient(135deg, #4d7cff, #8b5cf6, #06d6a0);
    --gradient-blue: linear-gradient(135deg, #4d7cff, #6c63ff);
    --gradient-purple: linear-gradient(135deg, #8b5cf6, #ec4899);
    --gradient-cyan: linear-gradient(135deg, #06d6a0, #4d7cff);

    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --radius: 12px;
    --radius-lg: 20px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 120px 0;
    position: relative;
}

/* Gradient Text */
.gradient-text {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   NAVIGATION
   ============================================ */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
    background: transparent;
}

.nav.scrolled {
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 12px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.25rem;
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: rgba(77, 124, 255, 0.1);
    border: 1px solid rgba(77, 124, 255, 0.2);
    border-radius: 10px;
}

.logo-text {
    letter-spacing: -0.5px;
}

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

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-main);
    transition: var(--transition);
    border-radius: 1px;
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-cta {
    background: var(--gradient-blue);
    padding: 8px 20px !important;
    border-radius: 8px;
    color: #fff !important;
    font-weight: 600 !important;
}

.nav-cta::after {
    display: none !important;
}

.nav-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 {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
    border-radius: 1px;
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 120px 24px 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-gradient {
    position: absolute;
    top: -40%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(77, 124, 255, 0.15) 0%, rgba(139, 92, 246, 0.08) 40%, transparent 70%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: translateX(-50%) scale(1); opacity: 1; }
    50% { transform: translateX(-50%) scale(1.1); opacity: 0.7; }
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--accent-blue);
    border-radius: 50%;
    opacity: 0;
    animation: float-particle linear infinite;
}

@keyframes float-particle {
    0% { opacity: 0; transform: translateY(100vh); }
    10% { opacity: 0.6; }
    90% { opacity: 0.6; }
    100% { opacity: 0; transform: translateY(-10vh); }
}

.hero-content {
    position: relative;
    text-align: center;
    max-width: 800px;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    border: 1px solid var(--border-light);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--accent-blue);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 24px;
    background: rgba(77, 124, 255, 0.05);
    animation: fadeInUp 0.8s ease-out;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.2rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -1.5px;
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease-out 0.1s both;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.7;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    margin-top: 64px;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.stat-number {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-light);
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-family: var(--font);
}

.btn-primary {
    background: var(--gradient-blue);
    color: #fff;
    box-shadow: 0 4px 24px rgba(77, 124, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(77, 124, 255, 0.4);
}

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

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--text-muted);
    transform: translateY(-2px);
}

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

/* ============================================
   SECTION HEADERS
   ============================================ */

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 64px;
}

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-blue);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    letter-spacing: -1px;
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   SERVICES
   ============================================ */

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    transition: all 0.4s ease;
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
}

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

.service-card:hover {
    border-color: var(--border-light);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.service-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: rgba(77, 124, 255, 0.1);
    color: var(--accent-blue);
    margin-bottom: 24px;
}

.service-card:nth-child(2) .service-icon {
    background: rgba(139, 92, 246, 0.1);
    color: var(--accent-purple);
}

.service-card:nth-child(3) .service-icon {
    background: rgba(6, 214, 160, 0.1);
    color: var(--accent-cyan);
}

.service-card h3 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -0.3px;
}

.service-card > p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 24px;
    line-height: 1.7;
}

.service-features li {
    padding: 6px 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.service-card:nth-child(2) .service-features li::before {
    background: var(--accent-purple);
}

.service-card:nth-child(3) .service-features li::before {
    background: var(--accent-cyan);
}

.service-glow {
    position: absolute;
    bottom: -80px;
    right: -80px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.service-glow-blue { background: radial-gradient(circle, rgba(77, 124, 255, 0.15), transparent 70%); }
.service-glow-purple { background: radial-gradient(circle, rgba(139, 92, 246, 0.15), transparent 70%); }
.service-glow-cyan { background: radial-gradient(circle, rgba(6, 214, 160, 0.15), transparent 70%); }

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

/* ============================================
   PROCESS / WERKWIJZE
   ============================================ */

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

.process-timeline {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 32px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent-blue), var(--accent-purple), var(--accent-cyan));
    opacity: 0.3;
}

.process-step {
    display: flex;
    gap: 32px;
    padding: 32px 0;
    position: relative;
    opacity: 0;
    transform: translateX(-20px);
}

.process-step.visible {
    opacity: 1;
    transform: translateX(0);
}

.step-number {
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--bg-card);
    border: 2px solid var(--border-light);
    font-size: 1rem;
    font-weight: 700;
    color: var(--accent-blue);
    position: relative;
    z-index: 1;
}

.process-step:nth-child(2) .step-number { color: var(--accent-purple); }
.process-step:nth-child(3) .step-number { color: var(--accent-cyan); }
.process-step:nth-child(4) .step-number { color: var(--accent-pink); }

.step-content h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.3px;
}

.step-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ============================================
   TECHNOLOGY
   ============================================ */

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

.tech-categories {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.tech-category {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
}

.tech-category.visible {
    opacity: 1;
    transform: translateY(0);
}

.tech-category:hover {
    border-color: var(--border-light);
}

.tech-category h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tech-tag {
    padding: 6px 14px;
    background: rgba(77, 124, 255, 0.08);
    border: 1px solid rgba(77, 124, 255, 0.15);
    border-radius: 8px;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
}

.tech-tag:hover {
    background: rgba(77, 124, 255, 0.15);
    color: var(--text-primary);
    border-color: rgba(77, 124, 255, 0.3);
}

/* ============================================
   CTA SECTION
   ============================================ */

.cta-section {
    background: var(--bg-primary);
}

.cta-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 80px 64px;
    text-align: center;
    overflow: hidden;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-card h2 {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 16px;
}

.cta-card p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    max-width: 520px;
    margin: 0 auto 32px;
    line-height: 1.7;
}

.cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-decoration {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.cta-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
}

.cta-orb-1 {
    width: 300px;
    height: 300px;
    background: rgba(77, 124, 255, 0.12);
    top: -100px;
    right: -50px;
}

.cta-orb-2 {
    width: 250px;
    height: 250px;
    background: rgba(139, 92, 246, 0.1);
    bottom: -80px;
    left: -30px;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 64px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 16px;
    max-width: 300px;
    line-height: 1.7;
}

.footer-links h4 {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.footer-links a {
    display: block;
    font-size: 0.9rem;
    color: var(--text-secondary);
    padding: 4px 0;
    transition: var(--transition);
}

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

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

.footer-bottom p {
    font-size: 0.82rem;
    color: var(--text-muted);
}

/* ============================================
   ANIMATIONS
   ============================================ */

[data-animate] {
    transition: opacity 0.6s ease, transform 0.6s ease;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: 1fr;
        max-width: 520px;
        margin: 0 auto;
    }

    .tech-categories {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 80px 0;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10, 10, 15, 0.95);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        border-bottom: 1px solid var(--border);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

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

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

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

    .hero {
        min-height: auto;
        padding: 140px 24px 80px;
    }

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

    .hero-stats {
        gap: 20px;
        margin-top: 48px;
    }

    .stat-number {
        font-size: 1.4rem;
    }

    .process-timeline::before {
        display: none;
    }

    .process-step {
        flex-direction: column;
        gap: 16px;
        align-items: flex-start;
    }

    .step-number {
        width: 48px;
        height: 48px;
        font-size: 0.85rem;
    }

    .cta-card {
        padding: 48px 24px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

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

    .cta-actions {
        flex-direction: column;
        align-items: center;
    }

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