/* ============================================
   EBYTE Solutions - Redesign
   Simple landing page, rich UX
   ============================================ */

:root {
    --bg: #09090b;
    --bg-alt: #111113;
    --surface: #18181b;
    --surface-hover: #1f1f23;
    --border: #27272a;
    --border-light: #3f3f46;
    --text: #fafafa;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    --accent: #10b981;
    --accent-hover: #34d399;
    --accent-muted: rgba(16, 185, 129, 0.15);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-full: 9999px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --max-w: 1100px;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
    margin: 0;
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
}

.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: var(--bg);
    padding: 8px 20px;
    border-radius: var(--radius-sm);
    z-index: 10000;
    text-decoration: none;
    font-weight: 600;
}
.skip-link:focus { top: 16px; }

.container {
    width: min(92%, var(--max-w));
    margin: 0 auto;
}

/* ============================================
   Navigation
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 16px 0;
    transition: background var(--transition), backdrop-filter var(--transition), border-color var(--transition);
    border-bottom: 1px solid transparent;
}
.nav.scrolled {
    background: rgba(9, 9, 11, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom-color: var(--border);
}
.nav-inner {
    width: min(92%, var(--max-w));
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text);
}
.logo-icon {
    width: 32px;
    height: 32px;
    background: var(--accent);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 16px;
    color: var(--bg);
}
.logo-text {
    font-weight: 700;
    font-size: 18px;
    letter-spacing: -0.02em;
}

/* Nav Menu */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
    margin: 0;
    padding: 0;
}
.nav-menu a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    transition: color var(--transition);
}
.nav-menu a:hover { color: var(--text); }
.nav-btn {
    background: var(--accent) !important;
    color: var(--bg) !important;
    padding: 8px 20px;
    border-radius: var(--radius-full);
    font-weight: 600 !important;
    transition: background var(--transition), transform var(--transition) !important;
}
.nav-btn:hover {
    background: var(--accent-hover) !important;
    transform: translateY(-1px);
}

/* Mobile Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================
   Hero
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 120px 0 80px;
}
.hero-inner {
    width: min(92%, var(--max-w));
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 2;
}
.hero-glow {
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.12) 0%, transparent 70%);
    pointer-events: none;
}
.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 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%);
    pointer-events: none;
}

/* Badges */
.hero-badges {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 32px;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent-muted);
    border: 1px solid rgba(16, 185, 129, 0.25);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
}
.pulse {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

/* Title */
.hero-title {
    font-size: clamp(2.5rem, 7vw, 4.5rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.04em;
    margin: 0 0 24px;
    color: var(--text);
}
.gradient-text {
    background: linear-gradient(135deg, var(--accent) 0%, #6ee7b7 50%, var(--accent) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 3s ease-in-out infinite;
}

/* Subtitle */
.hero-sub {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

/* Actions */
.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 56px;
}

/* Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent);
    color: var(--bg);
    text-decoration: none;
    padding: 14px 28px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 15px;
    transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
}
.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(16, 185, 129, 0.25);
}
.btn-lg {
    padding: 16px 32px;
    font-size: 16px;
}
.btn-ghost {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 15px;
    padding: 14px 28px;
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    transition: color var(--transition), border-color var(--transition), transform var(--transition);
}
.btn-ghost:hover {
    color: var(--text);
    border-color: var(--border-light);
    transform: translateY(-2px);
}


/* ============================================
   Sections
   ============================================ */
.section {
    padding: 100px 0;
}
.section-alt {
    background: var(--bg-alt);
}
.section-label {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--accent);
    margin-bottom: 12px;
}
.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin: 0 0 16px;
    color: var(--text);
}
.section-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 540px;
    margin: 0 0 48px;
}

/* ============================================
   Services
   ============================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.service-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
    position: relative;
    overflow: hidden;
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0;
    transition: opacity var(--transition);
}
.service-card:hover {
    border-color: var(--border-light);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}
.service-card:hover::before { opacity: 1; }

.service-num {
    font-size: 48px;
    font-weight: 800;
    color: var(--border);
    line-height: 1;
    margin-bottom: 20px;
    letter-spacing: -0.04em;
    transition: color var(--transition);
}
.service-card:hover .service-num { color: var(--accent-muted); }

.service-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    margin: 0 0 10px;
    letter-spacing: -0.01em;
}
.service-card p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0 0 20px;
    line-height: 1.7;
}

/* Tags */
.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    list-style: none;
    padding: 0;
    margin: 0;
}
.tags li {
    font-size: 12px;
    font-weight: 600;
    color: var(--accent);
    background: var(--accent-muted);
    padding: 4px 12px;
    border-radius: var(--radius-full);
}

/* ============================================
   Sectors
   ============================================ */
.sectors-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.sector-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: border-color var(--transition), transform var(--transition);
}
.sector-card:hover {
    border-color: var(--border-light);
    transform: translateY(-2px);
}
.sector-icon {
    width: 44px;
    height: 44px;
    background: var(--accent-muted);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    margin-bottom: 16px;
}
.sector-card h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text);
    margin: 0 0 6px;
}
.sector-card p {
    font-size: 14px;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.6;
}

/* ============================================
   Process
   ============================================ */
.process-steps {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
}
.process-step {
    display: flex;
    gap: 32px;
    align-items: flex-start;
    position: relative;
    padding: 32px 0;
}
.step-line {
    position: absolute;
    left: 11px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border);
}
.process-step:first-child .step-line { top: 50%; }
.process-step:last-child .step-line { bottom: 50%; }

.step-dot {
    width: 24px;
    height: 24px;
    background: var(--bg);
    border: 2px solid var(--accent);
    border-radius: 50%;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
    transition: background var(--transition);
}
.process-step:hover .step-dot {
    background: var(--accent);
}

.step-body { flex: 1; }
.step-num {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    color: var(--accent);
    background: var(--accent-muted);
    padding: 2px 10px;
    border-radius: var(--radius-full);
    margin-bottom: 8px;
}
.step-body h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    margin: 0 0 6px;
}
.step-body p {
    font-size: 15px;
    color: var(--text-secondary);
    margin: 0;
    max-width: 480px;
    line-height: 1.7;
}

/* ============================================
   CTA / Contact
   ============================================ */
.section-cta {
    background: var(--bg);
    padding: 80px 0 100px;
}
.cta-card {
    text-align: center;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 64px 40px;
    position: relative;
    overflow: hidden;
}
.cta-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.08) 0%, transparent 70%);
    pointer-events: none;
}
.cta-card h2 {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--text);
    margin: 0 0 12px;
    position: relative;
}
.cta-card > p {
    font-size: 16px;
    color: var(--text-secondary);
    margin: 0 0 32px;
    position: relative;
}
.cta-card .btn-primary {
    margin-bottom: 24px;
    position: relative;
}
.cta-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 13px;
    color: var(--text-muted);
    position: relative;
}
.cta-sep {
    width: 4px;
    height: 4px;
    background: var(--border-light);
    border-radius: 50%;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    border-top: 1px solid var(--border);
    padding: 40px 0;
}
.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}
.footer-left {
    display: flex;
    align-items: center;
    gap: 20px;
}
.footer-left p {
    font-size: 13px;
    color: var(--text-muted);
    margin: 0;
}
.footer-links {
    display: flex;
    align-items: center;
    gap: 24px;
}
.footer-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-size: 13px;
    transition: color var(--transition);
}
.footer-links a:hover { color: var(--text); }

/* ============================================
   Animations
   ============================================ */
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}
@keyframes shimmer {
    0%, 100% { background-position: 0% center; }
    50% { background-position: 200% center; }
}

/* Reveal animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}
/* Stagger hero elements */
.hero-badges.fade-in { transition-delay: 0s; }
.hero-title.fade-in { transition-delay: 0.1s; }
.hero-sub.fade-in { transition-delay: 0.2s; }
.hero-actions.fade-in { transition-delay: 0.3s; }

.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
    .nav-toggle { display: flex; }
    .nav-menu {
        position: absolute;
        top: calc(100% + 8px);
        left: 4%;
        right: 4%;
        background: var(--surface);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        padding: 16px;
        flex-direction: column;
        gap: 4px;
        opacity: 0;
        pointer-events: none;
        transform: translateY(-8px);
        transition: all var(--transition);
    }
    .nav-menu.open {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
    }
    .nav-menu a {
        display: block;
        padding: 12px 16px;
        border-radius: var(--radius-sm);
    }
    .nav-menu a:hover { background: var(--surface-hover); }
    .nav-btn {
        text-align: center;
        margin-top: 4px;
    }

    .hero { padding: 100px 0 60px; min-height: auto; }
    .hero-title { font-size: clamp(2rem, 8vw, 3rem); }
    .section { padding: 64px 0; }
    .services-grid { grid-template-columns: 1fr; }
    .sectors-grid { grid-template-columns: 1fr; }

    .process-step { gap: 20px; }

    .cta-card { padding: 40px 24px; }

    .footer-inner {
        flex-direction: column;
        text-align: center;
    }
    .footer-left { flex-direction: column; gap: 12px; }
    .footer-links { flex-wrap: wrap; justify-content: center; gap: 16px; }
}

@media (max-width: 480px) {
    .hero-actions { flex-direction: column; align-items: stretch; }
    .btn-primary, .btn-ghost { justify-content: center; }
    .cta-meta { flex-direction: column; gap: 4px; }
    .cta-sep { display: none; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    html { scroll-behavior: auto; }
    .fade-in, .reveal { opacity: 1; transform: none; }
}