/* --- VARIABLES & BASE --- */
:root {
    --bg-dark: #070709;
    --bg-surface: #121216;
    --bg-surface-hover: #1a1a20;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-highlight: rgba(255, 255, 255, 0.2);
    
    --text-primary: #ffffff;
    --text-secondary: #9ca3af;
    --text-dim: #6b7280;
    
    --accent-1: #38bdf8;
    --accent-2: #60a5fa;
    --accent-gradient: linear-gradient(135deg, #ffffff 15%, #38bdf8 100%);
    
    --glow: 0 0 40px rgba(56, 189, 248, 0.15);
    --shadow-depth: 0 10px 30px -10px rgba(0,0,0,0.8);
    
    --font-sans: 'Inter', system-ui, sans-serif;
    --font-display: 'Space Grotesk', system-ui, sans-serif;
    
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body { background-color: var(--bg-dark); color: var(--text-primary); font-family: var(--font-sans); line-height: 1.6; overflow-x: hidden; -webkit-font-smoothing: antialiased; }

.container { max-width: 1280px; margin: 0 auto; padding: 0 2rem; }
.text-dim { color: var(--text-dim); }
.text-highlight { 
    background: linear-gradient(135deg, #ffffff 15%, #38bdf8 100%); 
    -webkit-background-clip: text; 
    -webkit-text-fill-color: transparent; 
    display: inline-block;
}
.text-cyan { color: #38bdf8; }
.text-emerald { color: #34d399; }
.text-center { text-align: center; }

/* --- TYPOGRAPHY --- */
h1, h2, h3, h4, .logo-text { font-family: var(--font-display); letter-spacing: -0.03em; }

/* --- BUTTONS --- */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 0.875rem 1.5rem; font-size: 0.875rem; font-weight: 600; font-family: var(--font-sans); text-decoration: none; border-radius: 6px; transition: var(--transition-fast); cursor: pointer; letter-spacing: 0.05em; text-transform: uppercase; }
.btn-primary { background: var(--text-primary); color: var(--bg-dark); border: 1px solid var(--text-primary); }
.btn-primary:hover { background: transparent; color: var(--text-primary); box-shadow: var(--glow); }
.btn-secondary { background: transparent; color: var(--text-primary); border: 1px solid var(--border-highlight); }
.btn-secondary:hover { background: var(--bg-surface-hover); border-color: var(--text-primary); }
.btn-outline { background: transparent; color: var(--text-secondary); border: 1px solid var(--border-color); }
.btn-outline:hover { color: var(--text-primary); border-color: var(--text-primary); }

::selection { background: rgba(56, 189, 248, 0.35); color: #ffffff; }

/* --- EDITORIAL ARCHITECTURAL OVERLINE (Clean, crisp, no em-dashes or horizontal lines) --- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.95rem;
    font-family: var(--font-mono, 'JetBrains Mono', monospace);
    font-size: clamp(0.7rem, 1.8vw, 0.76rem);
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #38bdf8;
    background: rgba(56, 189, 248, 0.06);
    border: 1px solid rgba(56, 189, 248, 0.22);
    border-radius: 4px;
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    margin-bottom: 1.5rem;
    line-height: 1.4;
    white-space: nowrap;
    max-width: 100%;
    transition: all var(--transition-fast);
}
.badge:hover {
    color: #67e8f9;
    border-color: rgba(56, 189, 248, 0.45);
    background: rgba(56, 189, 248, 0.1);
    transform: none;
}

/* Centered headers: clean balanced alignment, NO em-dash pseudo-elements */
.page-header .badge,
.section-header .badge,
.text-center .badge {
    justify-content: center;
    width: auto;
}

.badge-learning {
    color: #34d399;
    background: rgba(52, 211, 153, 0.06);
    border-color: rgba(52, 211, 153, 0.25);
}
.badge-learning:hover {
    color: #6ee7b7;
    border-color: rgba(52, 211, 153, 0.45);
}

/* --- NAVBAR --- */
.navbar { position: fixed; top: 0; width: 100%; z-index: 100; background: rgba(7, 7, 9, 0.7); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--border-color); }
.nav-content { display: flex; justify-content: space-between; align-items: center; height: 80px; }
.logo { display: flex; flex-direction: column; line-height: 1; text-decoration: none; }
.logo-wrapper { height: 50px; display: flex; align-items: center; overflow: hidden; }
.nav-logo { height: 160px; margin-top: -5px; margin-left: -20px; object-fit: contain; }
.logo-text { font-size: 1.25rem; font-weight: 700; color: var(--text-primary); }
.logo-sub { font-size: 0.65rem; font-weight: 500; color: var(--text-secondary); letter-spacing: 0.15em; margin-top: 2px; }
.nav-links { display: flex; gap: 2.5rem; }
.nav-links a { color: var(--text-secondary); text-decoration: none; font-size: 0.875rem; font-weight: 500; transition: var(--transition-fast); }
.nav-links a:hover, .nav-links a.active { color: var(--text-primary); }
.nav-actions { display: flex; gap: 1rem; align-items: center; }

/* --- WHATSAPP BUTTON --- */
.btn-whatsapp {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: #25D366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    text-decoration: none;
    transition: transform 0.3s;
}
.btn-whatsapp:hover { transform: scale(1.1); }
.btn-whatsapp svg { width: 30px; height: 30px; fill: currentColor; }

/* --- SECTIONS BASE --- */
section { padding: clamp(4rem, 8vw, 8rem) 0; position: relative; }
.section-title { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 700; margin-bottom: 2.5rem; line-height: 1.15; }
.page-header { padding: clamp(8rem, 14vw, 12rem) 0 clamp(3rem, 6vw, 6rem); text-align: center; border-bottom: 1px solid var(--border-color); }
.page-title { font-size: clamp(2rem, 5.5vw, 3.8rem); font-weight: 700; margin-bottom: 1.25rem; line-height: 1.12; word-break: break-word; }
.page-subtitle { color: var(--text-secondary); font-size: clamp(0.95rem, 2vw, 1.15rem); max-width: 720px; margin: 0 auto; line-height: 1.6; }

/* --- HERO --- */
.hero { min-height: 100vh; display: flex; align-items: center; padding-top: clamp(100px, 12vh, 130px); padding-bottom: clamp(3rem, 6vh, 5rem); overflow: hidden; }
.hero-container { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: clamp(2rem, 4vw, 3.5rem); align-items: center; }
.hero-title { font-size: clamp(2.2rem, 3.8vw, 3.5rem); font-weight: 800; line-height: 1.1; margin-bottom: 1.25rem; letter-spacing: -0.03em; color: #ffffff; }
.hero-lead { font-size: clamp(1.05rem, 1.9vw, 1.3rem); font-weight: 600; color: #e2e8f0; line-height: 1.4; margin-bottom: 0.9rem; letter-spacing: -0.015em; }
.hero-subtitle { font-size: clamp(0.9rem, 1.5vw, 1.02rem); color: var(--text-secondary); margin-bottom: 1.75rem; max-width: 95%; line-height: 1.65; }

/* Capabilities Selector in Hero (Clean luxury capsules, no wrapping clutter) */
.hero-capabilities {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-bottom: 2rem;
}
.cap-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.42rem 0.9rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.09);
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 500;
    color: #cbd5e1;
    text-decoration: none;
    transition: all var(--transition-fast);
}
.cap-pill:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.25);
    transform: translateY(-1px);
}
.cap-pill__dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    flex-shrink: 0;
}
.cap-pill__dot--edu { background: #34d399; box-shadow: 0 0 8px rgba(52, 211, 153, 0.8); }
.cap-pill__dot--web { background: #38bdf8; box-shadow: 0 0 8px rgba(56, 189, 248, 0.8); }
.cap-pill__dot--shop { background: #f59e0b; box-shadow: 0 0 8px rgba(245, 158, 11, 0.8); }
.cap-pill__dot--ai { background: #c084fc; box-shadow: 0 0 8px rgba(192, 132, 252, 0.8); }

.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* --- BRAND (logo nativo: isotipo vectorial + tipografía real) --- */
.brand { display: inline-flex; align-items: center; gap: 0.75rem; text-decoration: none; color: var(--text-primary); }
.brand__mark { width: 38px; height: 38px; display: block; filter: drop-shadow(0 0 10px rgba(99, 102, 241, 0.45)); transition: transform var(--transition-smooth); }
.brand:hover .brand__mark { transform: rotate(60deg); }
.brand__type { display: flex; flex-direction: column; line-height: 1; }
.brand__name { font-family: var(--font-display); font-weight: 700; font-size: 1.2rem; letter-spacing: 0.04em; }
.brand__sub { font-size: 0.58rem; font-weight: 500; letter-spacing: 0.32em; color: var(--text-secondary); margin-top: 4px; }

/* --- HERO ECOSYSTEM (plano, frontal, orgánico) --- */
.hero-visual { position: relative; display: flex; justify-content: center; align-items: center; width: 100%; min-height: 500px; }
.eco { position: relative; width: min(520px, 100%); height: 520px; min-height: 480px; aspect-ratio: 1 / 1; }
.eco-net { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }

.eco-ring { fill: none; stroke: rgba(255, 255, 255, 0.07); stroke-width: 1; transform-box: fill-box; transform-origin: center; }
.eco-ring--slow { stroke-dasharray: 2 10; animation: eco-spin 80s linear infinite; }
.eco-ring--fast { stroke: rgba(99, 102, 241, 0.25); stroke-dasharray: 1 6; animation: eco-spin 40s linear infinite reverse; }
.eco-perimeter { fill: none; stroke: rgba(255, 255, 255, 0.09); stroke-width: 1; stroke-dasharray: 4 8; animation: eco-dash 30s linear infinite; }
.eco-line { stroke: url(#ecoLine); stroke-width: 1.25; stroke-opacity: 0.35; transition: stroke-opacity var(--transition-fast), stroke-width var(--transition-fast); }
.eco-pulses circle { fill: #a5b4fc; filter: drop-shadow(0 0 6px #818cf8); }
.eco-pulses .eco-pulse--soft { fill: #ffffff; opacity: 0.6; }

/* Núcleo */
.eco-core { position: absolute; left: 50%; top: 50%; width: 140px; height: 140px; transform: translate(-50%, -50%); display: grid; place-items: center; border-radius: 50%; background: radial-gradient(circle at 50% 40%, #1b1d33 0%, #0b0b12 70%); border: 1px solid rgba(255, 255, 255, 0.15); box-shadow: 0 0 0 10px rgba(99, 102, 241, 0.06), 0 0 80px rgba(99, 102, 241, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.1); z-index: 3; overflow: hidden; }
.eco-core__iso { width: 96px; height: 96px; display: block; object-fit: contain; filter: drop-shadow(0 0 14px rgba(129, 140, 248, 0.55)); animation: eco-breathe 6s ease-in-out infinite; }
.eco-core__pulse { position: absolute; inset: -1px; border-radius: 50%; border: 1px solid rgba(129, 140, 248, 0.5); animation: eco-ping 4s cubic-bezier(0.16, 1, 0.3, 1) infinite; pointer-events: none; }
.eco-core__pulse--late { animation-delay: 2s; }

/* Módulos */
.eco-node { position: absolute; left: var(--x); top: var(--y); transform: translate(-50%, -50%); display: flex; align-items: center; gap: 0.6rem; padding: 0.55rem 0.9rem 0.55rem 0.55rem; background: rgba(14, 14, 20, 0.78); border: 1px solid rgba(255, 255, 255, 0.1); border-radius: 12px; backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.8), inset 0 1px 0 rgba(255, 255, 255, 0.06); white-space: nowrap; z-index: 4; cursor: default; animation: eco-float 7s ease-in-out infinite; animation-delay: var(--d); transition: border-color var(--transition-fast), box-shadow var(--transition-fast); }
.eco-node:hover { border-color: rgba(129, 140, 248, 0.7); box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.12), 0 14px 40px -10px rgba(99, 102, 241, 0.5); }
.eco-node__icon { width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center; background: linear-gradient(135deg, rgba(59, 130, 246, 0.18), rgba(139, 92, 246, 0.18)); border: 1px solid rgba(129, 140, 248, 0.3); flex-shrink: 0; }
.eco-node__icon svg { width: 16px; height: 16px; fill: none; stroke: #c7d2fe; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.eco-node__txt { display: flex; flex-direction: column; line-height: 1.15; }
.eco-node__txt b { font-family: var(--font-display); font-size: 0.85rem; letter-spacing: 0.06em; color: var(--text-primary); }
.eco-node__txt small { font-size: 0.66rem; color: var(--text-secondary); }

/* Hover: el módulo ilumina su conexión al núcleo */
.eco:has(.eco-node[data-k="lms"]:hover) .eco-line[data-k="lms"],
.eco:has(.eco-node[data-k="crm"]:hover) .eco-line[data-k="crm"],
.eco:has(.eco-node[data-k="api"]:hover) .eco-line[data-k="api"],
.eco:has(.eco-node[data-k="pos"]:hover) .eco-line[data-k="pos"],
.eco:has(.eco-node[data-k="web"]:hover) .eco-line[data-k="web"],
.eco:has(.eco-node[data-k="ia"]:hover) .eco-line[data-k="ia"] { stroke-opacity: 1; stroke-width: 2; }

@keyframes eco-spin { to { transform: rotate(360deg); } }
@keyframes eco-dash { to { stroke-dashoffset: -240; } }
@keyframes eco-float { 0%, 100% { transform: translate(-50%, -50%); } 50% { transform: translate(-50%, calc(-50% - 7px)); } }
@keyframes eco-breathe { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.04); } }
@keyframes eco-ping { 0% { transform: scale(1); opacity: 0.8; } 100% { transform: scale(1.9); opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .eco *, .eco-node { animation: none !important; } .eco-pulses { display: none; } }

/* --- SHOWCASE (casos reales en el home) --- */
.showcase { border-top: 1px solid var(--border-color); }
.showcase__head { display: flex; justify-content: space-between; align-items: flex-end; gap: 2rem; margin-bottom: 3rem; }
.showcase__title { font-size: 3rem; line-height: 1.05; }
.showcase__grid { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 240px; gap: 1rem; }
.shot { position: relative; display: block; overflow: hidden; border-radius: 14px; border: 1px solid var(--border-color); background: var(--bg-surface); text-decoration: none; isolation: isolate; }
.shot--xl { grid-column: span 2; grid-row: span 2; }
.shot img { width: 100%; height: 100%; object-fit: cover; display: block; image-rendering: -webkit-optimize-contrast; backface-visibility: hidden; transform: translateZ(0); transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1), filter 0.4s; filter: saturate(0.95); }
.shot::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(7, 7, 9, 0.92) 0%, rgba(7, 7, 9, 0.2) 45%, transparent 70%); z-index: 1; }
.shot__meta { position: absolute; left: 1.25rem; right: 1.25rem; bottom: 1.1rem; z-index: 2; display: flex; flex-direction: column; gap: 0.2rem; }
.shot__meta b { font-family: var(--font-display); color: var(--text-primary); font-size: 0.95rem; letter-spacing: 0.03em; }
.shot__meta small { color: var(--text-secondary); font-size: 0.75rem; }
.shot--xl .shot__meta b { font-size: 1.4rem; }
.shot:hover { border-color: rgba(129, 140, 248, 0.5); }
.shot:hover img { transform: scale(1.05); filter: saturate(1.1); }

/* --- CASOS (página) --- */
.case-card { display: grid; grid-template-columns: 1.3fr 1fr; background: var(--bg-surface); border: 1px solid var(--border-color); border-radius: 16px; overflow: hidden; transition: border-color var(--transition-fast); }
.case-card:nth-child(even) { grid-template-columns: 1fr 1.3fr; }
.case-card:nth-child(even) .case-card__media { order: 2; }
.case-card:hover { border-color: rgba(129, 140, 248, 0.45); }
.case-card__media { min-height: 360px; overflow: hidden; }
.case-card__media img { width: 100%; height: 100%; object-fit: cover; display: block; image-rendering: -webkit-optimize-contrast; backface-visibility: hidden; transform: translateZ(0); transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1); }
.case-card:hover .case-card__media img { transform: scale(1.04); }
.case-card__body { padding: 3rem; display: flex; flex-direction: column; justify-content: center; }
.case-card__body h3 { font-size: 1.8rem; margin-bottom: 0.5rem; }
.case-card__body p { color: var(--text-secondary); font-size: 1.05rem; line-height: 1.6; margin-bottom: 1.5rem; }
.case-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.5rem; }
.case-tags span { font-size: 0.7rem; font-weight: 600; letter-spacing: 0.08em; padding: 0.35rem 0.7rem; border: 1px solid var(--border-color); border-radius: 999px; color: var(--text-secondary); }
.case-link { color: var(--text-primary); text-decoration: none; display: inline-flex; align-items: center; gap: 0.5rem; transition: color var(--transition-fast); }
.case-link:hover { color: var(--accent-1); }
.case-link .ext-arrow { font-size: 1.1rem; transition: transform var(--transition-fast); display: inline-block; }
.case-link:hover .ext-arrow { transform: translate(2px, -2px); }
.case-card__media { display: block; min-height: 360px; overflow: hidden; }




/* --- STATEMENT --- */
.statement-section { text-align: center; background: linear-gradient(to bottom, var(--bg-dark), var(--bg-surface), var(--bg-dark)); border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); }
.statement-title { font-size: 3rem; margin-bottom: 2rem; }
.statement-text { font-size: 1.25rem; color: var(--text-secondary); max-width: 800px; margin: 0 auto 4rem; }
.evolution-flow { display: flex; justify-content: center; align-items: center; gap: 2rem; font-family: var(--font-display); font-weight: 700; }
.flow-step { padding: 1rem 2rem; background: var(--bg-dark); border: 1px solid var(--border-color); border-radius: 8px; color: var(--text-secondary); }
.flow-step.highlight { border-color: var(--text-primary); color: var(--text-primary); }
.flow-step.premium { background: var(--text-primary); color: var(--bg-dark); box-shadow: var(--glow); }
.flow-arrow { color: var(--border-highlight); transform: rotate(-90deg); }

/* --- DASHBOARD MOCKUP --- */
.dashboard-section { overflow: hidden; }
.section-header { max-width: 700px; margin-bottom: 4rem; }
.section-header h2 { font-size: 2.5rem; margin-bottom: 1rem; }
.section-header p { color: var(--text-secondary); font-size: 1.125rem; }
.dashboard-mockup { display: flex; background: var(--bg-surface); border: 1px solid var(--border-highlight); border-radius: 12px; height: 600px; box-shadow: var(--shadow-depth); overflow: hidden; transform: perspective(1000px) rotateX(2deg) rotateY(-2deg); transition: var(--transition-smooth); }
.dashboard-mockup:hover { transform: perspective(1000px) rotateX(0deg) rotateY(0deg); border-color: var(--text-primary); }
.dash-sidebar { width: 250px; background: var(--bg-dark); border-right: 1px solid var(--border-color); padding: 2rem; }
.dash-logo { font-family: var(--font-display); font-weight: 700; margin-bottom: 3rem; color: var(--text-primary); }
.dash-nav { list-style: none; }
.dash-nav li { padding: 0.75rem 1rem; color: var(--text-secondary); font-size: 0.875rem; margin-bottom: 0.5rem; border-radius: 6px; cursor: default; }
.dash-nav li.active { background: var(--bg-surface-hover); color: var(--text-primary); }
.dash-main { flex: 1; padding: 2rem; display: flex; flex-direction: column; }
.dash-header { display: flex; justify-content: space-between; align-items: center; padding-bottom: 2rem; border-bottom: 1px solid var(--border-color); margin-bottom: 2rem; color: var(--text-secondary); font-size: 0.875rem; }
.dash-user { background: var(--bg-dark); padding: 0.5rem 1rem; border-radius: 20px; border: 1px solid var(--border-color); }
.dash-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; margin-bottom: 2rem; }
.dash-card { background: var(--bg-dark); border: 1px solid var(--border-color); padding: 1.5rem; border-radius: 8px; }
.dash-card h4 { color: var(--text-secondary); font-size: 0.75rem; margin-bottom: 0.5rem; }
.dash-card .value { font-size: 1.5rem; font-weight: 700; font-family: var(--font-display); }
.dash-chart { flex: 1; background: var(--bg-dark); border: 1px solid var(--border-color); border-radius: 8px; padding: 2rem; display: flex; align-items: flex-end; }
.chart-bars { display: flex; align-items: flex-end; gap: 1rem; width: 100%; height: 100%; padding-top: 2rem; }
.chart-bars .bar { flex: 1; background: var(--border-highlight); border-radius: 4px 4px 0 0; transition: var(--transition-smooth); }
.dashboard-mockup:hover .chart-bars .bar { background: var(--accent-1); opacity: 0.5; }

/* --- SERVICES & OTHERS --- */
.services-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.service-card { background: var(--bg-surface); border: 1px solid var(--border-color); padding: 3rem; border-radius: 12px; transition: var(--transition-fast); }
.service-card:hover { border-color: var(--border-highlight); background: var(--bg-surface-hover); }
.service-card h3 { font-size: 1.25rem; margin-bottom: 1.5rem; color: var(--text-primary); }
.service-card ul { list-style: none; color: var(--text-secondary); }
.service-card ul li { margin-bottom: 0.75rem; padding-left: 1.5rem; position: relative; }
.service-card ul li::before { content: ''; position: absolute; left: 0; top: 8px; width: 6px; height: 6px; background: var(--border-highlight); border-radius: 50%; }

.models-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.model-card { padding: 2rem; border: 1px solid var(--border-color); background: var(--bg-surface); border-radius: 8px; }
.model-card h4 { font-size: 1.1rem; margin-bottom: 1rem; color: var(--text-primary); }
.model-card p { font-size: 0.875rem; color: var(--text-secondary); }

.cases-list { display: flex; flex-direction: column; gap: 1.5rem; }
.case-item { background: var(--bg-surface); border: 1px solid var(--border-color); padding: 2.5rem; border-radius: 12px; display: flex; justify-content: space-between; align-items: center; transition: var(--transition-fast); }
.case-item:hover { border-color: var(--text-primary); }
.case-info h3 { font-size: 1.5rem; margin-bottom: 0.5rem; }
.case-type { font-size: 0.875rem; color: var(--accent-1); margin-bottom: 1rem; text-transform: uppercase; letter-spacing: 0.05em; }
.case-info p { color: var(--text-secondary); font-size: 1rem; max-width: 800px; }

/* --- FORMS --- */
.contact-form { max-width: 600px; margin: 0 auto; background: var(--bg-surface); padding: 3rem; border-radius: 12px; border: 1px solid var(--border-color); }
.form-group { margin-bottom: 1.5rem; }
.form-group label { display: block; margin-bottom: 0.5rem; color: var(--text-secondary); font-size: 0.875rem; }
.form-control { width: 100%; padding: 1rem; background: var(--bg-dark); border: 1px solid var(--border-color); border-radius: 6px; color: var(--text-primary); font-family: var(--font-sans); }
.form-control:focus { outline: none; border-color: var(--accent-1); }

/* --- FOOTER --- */
footer { border-top: 1px solid var(--border-color); padding: 4rem 0; background: var(--bg-dark); }
.footer-content { display: flex; justify-content: space-between; align-items: flex-start; }
.footer-brand h4 { font-size: 1.25rem; margin-bottom: 0.5rem; }
.footer-brand p { color: var(--text-dim); font-size: 0.875rem; }
.footer-brand .brand { margin-bottom: 0.9rem; }
.footer-links { display: flex; gap: 2rem; }
.footer-links a { color: var(--text-secondary); text-decoration: none; font-size: 0.875rem; transition: var(--transition-fast); }
.footer-links a:hover { color: var(--text-primary); }

/* --- TITANIUM BROWSER CHROME FOR ULTRA-HD CASE CARDS --- */
.case-card__browser {
    display: flex;
    flex-direction: column;
    background: #0d0e15;
    border-right: 1px solid var(--border-color);
    overflow: hidden;
}
.case-card:nth-child(even) .case-card__browser {
    border-right: none;
    border-left: 1px solid var(--border-color);
}
@media (max-width: 1024px) {
    .case-card__browser, .case-card:nth-child(even) .case-card__browser {
        border-right: none;
        border-left: none;
        border-bottom: 1px solid var(--border-color);
    }
}
.case-card__browser-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.65rem 1.1rem;
    background: #11121c;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 0.75rem;
    font-family: var(--font-mono, 'JetBrains Mono', monospace);
}
.browser-controls {
    display: flex;
    gap: 6px;
    align-items: center;
}
.browser-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    display: inline-block;
}
.dot-close { background: #ef4444; box-shadow: 0 0 6px rgba(239,68,68,0.4); }
.dot-min { background: #f59e0b; box-shadow: 0 0 6px rgba(245,158,11,0.4); }
.dot-max { background: #10b981; box-shadow: 0 0 6px rgba(16,185,129,0.4); }

.browser-address {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.25rem 0.75rem;
    background: rgba(0, 0, 0, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 6px;
    color: #94a3b8;
    font-size: 0.72rem;
    max-width: 280px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.browser-lock {
    width: 11px;
    height: 11px;
    stroke: #34d399;
    stroke-width: 2;
    fill: none;
    flex-shrink: 0;
}
.browser-status-chip {
    color: #34d399;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    flex-shrink: 0;
}

/* --- RESPONSIVE ADAPTATION (SURGICAL MOBILE & TABLET SUITE) --- */
@media (max-width: 1024px) {
    .hero-container { grid-template-columns: 1fr; text-align: center; gap: 2.5rem; }
    .hero-subtitle { margin: 0 auto 2.5rem; }
    .hero-actions { justify-content: center; }
    .services-grid, .models-grid { grid-template-columns: repeat(2, 1fr); }
    .showcase__grid { grid-template-columns: repeat(2, 1fr); }
    .case-card, .case-card:nth-child(even) { grid-template-columns: 1fr; }
    .case-card:nth-child(even) .case-card__media { order: 0; }
    .case-card__media { min-height: 240px; }
}

@media (max-width: 860px) {
    .nav-toggle-btn { display: flex; }
    .nav-links { display: none; }
}

@media (max-width: 768px) {
    html, body { overflow-x: hidden; width: 100%; position: relative; }
    .container { padding: 0 1.5rem; }
    .nav-actions .btn-outline { display: none; }
    .nav-content { height: 72px; }
    .hero { min-height: unset; padding-top: 100px; padding-bottom: 3.5rem; }
    .hero-title { font-size: clamp(2rem, 7.5vw, 3rem); line-height: 1.1; }
    .hero-actions { display: flex; flex-direction: column; width: 100%; max-width: 400px; margin: 0 auto; gap: 0.75rem; align-items: stretch; }
    .hero-actions .btn { width: 100%; min-height: 48px; padding: 0.85rem 1.5rem; font-size: 0.85rem; justify-content: center; }
    .statement-section { padding: 4rem 0; }
    .statement-title { font-size: clamp(1.8rem, 6.5vw, 2.4rem); line-height: 1.15; }
    .statement-text { font-size: 1.05rem; margin-bottom: 2.5rem; }
    
    /* Telemetría / Dashboard Mockup */
    .dashboard-mockup { flex-direction: column; height: auto; transform: none !important; border-radius: 12px; }
    .dash-sidebar { width: 100%; border-right: none; border-bottom: 1px solid var(--border-color); padding: 1.25rem 1.5rem; }
    .dash-logo { margin-bottom: 1rem; }
    .dash-nav { display: flex; gap: 0.5rem; overflow-x: auto; padding-bottom: 0.5rem; -webkit-overflow-scrolling: touch; }
    .dash-nav li { white-space: nowrap; font-size: 0.78rem; padding: 0.5rem 0.85rem; flex-shrink: 0; }
    .dash-main { padding: 1.5rem; }
    .dash-header { flex-direction: column; align-items: flex-start; gap: 0.75rem; padding-bottom: 1.25rem; margin-bottom: 1.25rem; }
    .dash-cards { grid-template-columns: repeat(2, 1fr); gap: 0.85rem; margin-bottom: 1.25rem; }
    .dash-card { padding: 1.1rem; }
    .dash-card .value { font-size: 1.35rem; }
    .dash-chart { height: 180px; padding: 1.25rem; }
    
    .services-grid, .models-grid { grid-template-columns: 1fr; gap: 1.25rem; }
    .service-card { padding: 2rem 1.5rem; }
    
    .footer-content { flex-direction: column; gap: 2.5rem; }
    .footer-links { flex-wrap: wrap; gap: 1rem 1.5rem; }
    
    .showcase { padding: 4rem 0; }
    .showcase__head { flex-direction: column; align-items: flex-start; gap: 1.25rem; margin-bottom: 2rem; }
    .showcase__title { font-size: clamp(2rem, 7vw, 2.6rem); line-height: 1.1; }
    .showcase__grid { grid-template-columns: 1fr; grid-auto-rows: min(260px, 60vw); gap: 1.25rem; }
    .shot--xl { grid-column: auto; grid-row: span 1; }
    .shot img { object-position: top center; }
    .shot__meta b { font-size: 0.95rem; }
    .shot__meta small { font-size: 0.75rem; }
    
    /* Casos en página dedicada */
    .case-card__body { padding: 1.75rem 1.5rem; }
    .case-card__body h3 { font-size: 1.45rem; }
    .case-card__media { min-height: 220px; max-height: 300px; }
    .case-card__media img { object-position: top center; }
    
    .btn-whatsapp { bottom: 1.25rem; right: 1.25rem; width: 52px; height: 52px; z-index: 998; }
    .btn-whatsapp svg { width: 26px; height: 26px; }
}

@media (max-width: 640px) {
    .container { padding: 0 1.25rem; }
    .evolution-flow {
        flex-direction: column;
        gap: 0.5rem;
        width: 100%;
        max-width: 290px;
        margin: 0 auto;
    }
    .flow-arrow {
        transform: rotate(0deg);
        font-size: 1.25rem;
        color: #38bdf8;
        padding: 0.15rem 0;
    }
    .flow-step {
        width: 100%;
        text-align: center;
        padding: 0.8rem 1rem;
        font-size: 0.85rem;
        border-radius: 8px;
    }
}

@media (max-width: 560px) {
    .nav-content { height: 68px; }
    .hero { padding-top: 86px; padding-bottom: 2.5rem; }
    .hero-visual {
        min-height: unset;
        width: 100%;
        overflow: visible;
        display: flex;
        justify-content: center;
        padding: 1rem 0;
    }
    .eco {
        width: min(300px, calc(100vw - 3rem));
        height: min(300px, calc(100vw - 3rem));
        min-height: unset;
        margin: 0 auto;
    }
    .eco-core {
        width: 82px;
        height: 82px;
    }
    .eco-core__iso {
        width: 50px;
        height: 50px;
    }
    .eco-node {
        padding: 0.3rem 0.55rem;
        gap: 0.3rem;
        border-radius: 8px;
    }
    .eco-node__icon {
        width: 22px;
        height: 22px;
        border-radius: 6px;
        display: grid;
    }
    .eco-node__icon svg {
        width: 12px;
        height: 12px;
    }
    .eco-node__txt b {
        font-size: 0.68rem;
    }
    .eco-node__txt small {
        display: none;
    }
    
    /* Overline móvil fluido */
    .badge {
        font-size: 0.68rem;
        letter-spacing: 0.16em;
        gap: 0.5rem;
        margin-bottom: 1rem;
        padding: 0;
        background: transparent;
        border: none;
    }
    .badge::before,
    .page-header .badge::after,
    .section-header .badge::after,
    .text-center .badge::after {
        width: 14px;
        height: 1.5px;
    }
    
    /* Formulario móvil optimizado (evita zoom Safari iOS) */
    .form-control {
        font-size: 16px !important;
        padding: 0.85rem 1rem;
        border-radius: 8px;
    }
    .contact-form {
        padding: 1.75rem 1.25rem;
        border-radius: 12px;
    }
    
    /* Titanium Browser Bar Móvil */
    .case-card__browser-bar {
        padding: 0.5rem 0.75rem;
        gap: 0.45rem;
    }
    .browser-controls {
        gap: 4px;
    }
    .browser-dot {
        width: 7px;
        height: 7px;
    }
    .browser-address {
        max-width: 160px;
        font-size: 0.65rem;
        padding: 0.2rem 0.5rem;
    }
    .browser-status-chip {
        font-size: 0.6rem;
        letter-spacing: 0.04em;
    }
}

@media (max-width: 480px) {
    .container { padding: 0 1.15rem; }
    .brand__name { font-size: 1.15rem; }
    .brand__sub { font-size: 0.52rem; letter-spacing: 0.12em; }
    .brand__mark { width: 32px; height: 32px; }
    
    .nav-actions .btn-primary {
        padding: 0.45rem 0.75rem !important;
        font-size: 0.7rem !important;
        letter-spacing: 0.02em;
    }
    
    .hero-title { font-size: 1.85rem; }
    .hero-subtitle { font-size: 0.92rem; line-height: 1.55; }
    
    .dash-cards { grid-template-columns: 1fr; }
    
    .eco {
        width: min(270px, calc(100vw - 2.5rem));
        height: min(270px, calc(100vw - 2.5rem));
    }
    .eco-core {
        width: 72px;
        height: 72px;
    }
    .eco-core__iso {
        width: 44px;
        height: 44px;
    }
    .eco-node {
        padding: 0.25rem 0.45rem;
        gap: 0.25rem;
    }
    .eco-node__icon {
        width: 19px;
        height: 19px;
    }
    .eco-node__txt b {
        font-size: 0.62rem;
    }
}

/* --- CONTACT RESPONSIVE GRID --- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: start;
}
@media (max-width: 960px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
}

/* --- MOBILE NAV TOGGLE & ULTRA-SLEEK DRAWER --- */
.nav-toggle-btn {
    display: none;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.55rem;
    color: var(--text-primary);
    cursor: pointer;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}
.nav-toggle-btn:hover, .nav-toggle-btn.active {
    border-color: #38bdf8;
    background: rgba(56, 189, 248, 0.1);
    color: #38bdf8;
}
.nav-toggle-btn svg {
    width: 24px;
    height: 24px;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
    transition: transform var(--transition-fast);
}
.nav-toggle-btn.active svg {
    transform: rotate(90deg);
}

.mobile-nav-drawer {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: rgba(8, 8, 12, 0.98);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid rgba(56, 189, 248, 0.25);
    padding: 1.5rem 1.5rem 2.5rem;
    flex-direction: column;
    gap: 0.65rem;
    z-index: 1001;
    box-shadow: 0 25px 60px rgba(0,0,0,0.95);
    animation: drawerSlideDown 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
@media (max-width: 768px) {
    .mobile-nav-drawer { top: 72px; padding: 1.25rem 1.25rem 2.25rem; }
}
@media (max-width: 560px) {
    .mobile-nav-drawer { top: 68px; }
}
@keyframes drawerSlideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}
.mobile-nav-drawer.active {
    display: flex;
}
.mobile-nav-drawer a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 1.05rem;
    font-weight: 500;
    padding: 0.75rem 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.mobile-nav-drawer a:hover, .mobile-nav-drawer a.active {
    color: #38bdf8;
    padding-left: 0.75rem;
    background: rgba(56, 189, 248, 0.05);
    border-radius: 6px;
}
.mobile-nav-drawer .drawer-cta {
    margin-top: 0.75rem;
    background: var(--text-primary);
    color: var(--bg-dark);
    font-weight: 700;
    justify-content: center;
    border-radius: 8px;
    border: none;
}
.mobile-nav-drawer .drawer-cta:hover {
    background: #38bdf8;
    color: #000;
}

/* --- LMS STYLING & HIGH-POWER PILAR ARCHITECTURE --- */
.lms-pillars-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}
@media (max-width: 1200px) {
    .lms-pillars-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 680px) {
    .lms-pillars-grid { grid-template-columns: 1fr; }
}

.lms-pillar-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 2.2rem 1.8rem;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-smooth);
    display: flex;
    flex-direction: column;
}
.lms-pillar-card:hover {
    border-color: rgba(99, 102, 241, 0.45);
    transform: translateY(-4px);
    box-shadow: 0 15px 35px -10px rgba(0,0,0,0.8), 0 0 30px rgba(99, 102, 241, 0.12);
}
.lms-pillar-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #38bdf8, #818cf8);
    opacity: 0;
    transition: opacity var(--transition-fast);
}
.lms-pillar-card:hover::before { opacity: 1; }

.pillar-icon-box {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(99, 102, 241, 0.12);
    border: 1px solid rgba(99, 102, 241, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: #38bdf8;
    font-size: 1.4rem;
}

.pillar-tag {
    font-family: var(--font-mono, monospace);
    font-size: 0.68rem;
    color: #818cf8;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.pillar-title {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: 0.85rem;
    line-height: 1.25;
}

.pillar-desc {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.55;
    margin-bottom: 1.25rem;
    flex: 1;
}

.pillar-feature-list {
    list-style: none;
    font-size: 0.8rem;
    color: var(--text-dim);
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    border-top: 1px solid rgba(255,255,255,0.06);
    padding-top: 1rem;
}
.pillar-feature-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.pillar-feature-list li::before {
    content: '✓';
    color: #34d399;
    font-weight: 700;
}

/* --- LMS INTERACTIVE SANDBOX --- */
.lms-sandbox-wrap {
    background: #0b0c13;
    border: 1px solid rgba(99, 102, 241, 0.35);
    border-radius: 16px;
    box-shadow: 0 25px 60px -15px rgba(0,0,0,0.9), 0 0 50px rgba(99, 102, 241, 0.1);
    overflow: hidden;
    margin-top: 3.5rem;
}

.sandbox-header {
    background: #11121c;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding: 1.2rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.sandbox-tabs {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.sandbox-tab-btn {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 0.82rem;
    font-weight: 600;
    padding: 0.55rem 1.1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-fast);
}
.sandbox-tab-btn:hover {
    color: var(--text-primary);
    background: rgba(255,255,255,0.04);
}
.sandbox-tab-btn.active {
    color: #ffffff;
    background: rgba(99, 102, 241, 0.2);
    border-color: rgba(99, 102, 241, 0.5);
    box-shadow: 0 0 15px rgba(99, 102, 241, 0.2);
}

.sandbox-body {
    padding: 2.5rem;
}
@media (max-width: 768px) {
    .sandbox-header {
        padding: 1rem 1.25rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.85rem;
    }
    .sandbox-tabs {
        width: 100%;
        overflow-x: auto;
        flex-wrap: nowrap;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 0.35rem;
        scrollbar-width: none;
    }
    .sandbox-tabs::-webkit-scrollbar {
        display: none;
    }
    .sandbox-tab-btn {
        flex-shrink: 0;
        font-size: 0.78rem;
        padding: 0.5rem 0.85rem;
    }
    .sandbox-body {
        padding: 1.25rem 1rem;
    }
}

/* ==========================================================================
   ADVANCED ENGINEERING SUITE: SISTEMAS & ROI MATRICES
   ========================================================================== */

/* --- TECH CARDS (SISTEMAS.HTML) --- */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
    margin-top: 3.5rem;
}
@media (max-width: 960px) {
    .tech-grid { grid-template-columns: 1fr; gap: 2rem; }
}

.tech-card {
    background: radial-gradient(circle at 10% 10%, rgba(18, 20, 32, 0.95) 0%, rgba(8, 8, 12, 0.98) 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 18px;
    padding: 2.4rem;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: 0 15px 40px -15px rgba(0, 0, 0, 0.7);
}
.tech-card:hover {
    border-color: rgba(56, 189, 248, 0.45);
    transform: translateY(-5px);
    box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.9), 0 0 35px rgba(56, 189, 248, 0.12);
}
.tech-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #38bdf8, #818cf8);
    opacity: 0;
    transition: opacity 0.3s ease;
}
.tech-card:hover::before { opacity: 1; }

.tech-card__head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.tech-card__icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(56, 189, 248, 0.1);
    border: 1px solid rgba(56, 189, 248, 0.25);
    display: grid;
    place-items: center;
    color: #38bdf8;
    flex-shrink: 0;
}
.tech-card__icon svg { width: 24px; height: 24px; stroke: currentColor; fill: none; stroke-width: 2; }
.tech-card__title {
    font-size: 1.45rem;
    color: var(--text-primary);
    font-family: var(--font-display);
    line-height: 1.2;
    margin-bottom: 0.5rem;
}
.tech-card__badge {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: #34d399;
    background: rgba(52, 211, 153, 0.1);
    border: 1px solid rgba(52, 211, 153, 0.25);
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
    white-space: nowrap;
}

.tech-card__desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1.75rem;
}

/* Micro-Dashboard Preview Box inside Tech Card */
.tech-card__preview {
    background: #090a10;
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    padding: 1.25rem;
    margin-bottom: 1.75rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
}
.preview-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.4rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}
.preview-row:last-child { border-bottom: none; }
.preview-label { color: var(--text-dim); }
.preview-value { color: #38bdf8; font-weight: 600; }
.preview-value.green { color: #34d399; }
.preview-value.purple { color: #c084fc; }

.tech-card__pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding-top: 1.25rem;
}
.tech-pill {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 0.35rem 0.75rem;
    border-radius: 6px;
    transition: all var(--transition-fast);
}
.tech-card:hover .tech-pill {
    border-color: rgba(56, 189, 248, 0.25);
    color: var(--text-primary);
}

/* --- FINANCIAL ROI & SAVINGS COMPARISON (LEARNING.HTML) --- */
.roi-section {
    padding: clamp(5rem, 8vw, 8rem) 0;
    background: radial-gradient(circle at 50% 20%, rgba(99, 102, 241, 0.08) 0%, transparent 60%);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}
.roi-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 3.5rem;
    align-items: center;
    margin-top: 3.5rem;
}
@media (max-width: 960px) {
    .roi-grid { grid-template-columns: 1fr; gap: 2.5rem; }
}

.roi-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-depth);
}
.roi-table th, .roi-table td {
    padding: 1.2rem 1.4rem;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.roi-table th {
    background: #0f1018;
    font-family: var(--font-display);
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-secondary);
}
.roi-table th.arche-col {
    color: #38bdf8;
    background: rgba(56, 189, 248, 0.08);
}
.roi-table tr:last-child td { border-bottom: none; }
.roi-table td.cost-trad {
    color: #f87171;
    font-weight: 600;
    font-size: 0.95rem;
}
.roi-table td.cost-arche {
    color: #34d399;
    font-weight: 700;
    font-size: 1.05rem;
    background: rgba(52, 211, 153, 0.04);
}

.roi-calc-box {
    background: #0d0e16;
    border: 1px solid rgba(56, 189, 248, 0.3);
    border-radius: 18px;
    padding: 2.5rem;
    box-shadow: 0 25px 60px rgba(0,0,0,0.8), 0 0 35px rgba(56, 189, 248, 0.1);
    position: relative;
}
.roi-calc-box h3 {
    font-size: 1.6rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}
.roi-calc-box p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 2rem;
    line-height: 1.55;
}
.calc-slider-wrap {
    margin-bottom: 2rem;
}
.calc-slider-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.8rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
}
.calc-slider-val {
    color: #38bdf8;
    font-weight: 700;
    font-size: 1.1rem;
}
.calc-slider {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: #1e2235;
    outline: none;
    -webkit-appearance: none;
    cursor: pointer;
}
.calc-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #38bdf8;
    box-shadow: 0 0 12px #38bdf8;
    cursor: pointer;
}
.calc-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    margin-bottom: 2rem;
}
.calc-stat-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 10px;
    padding: 1.25rem;
}
.calc-stat-item small {
    display: block;
    color: var(--text-dim);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.35rem;
}
.calc-stat-item b {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: #34d399;
}

/* --- TELEMETRY GEO BADGES (ADMIN & PUBLIC) --- */
.geo-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    background: rgba(56, 189, 248, 0.08);
    border: 1px solid rgba(56, 189, 248, 0.25);
    color: #38bdf8;
    white-space: nowrap;
}
.geo-flag { font-size: 0.9rem; }

/* --- SEO RICH SNIPPETS & ACCORDION FAQS --- */
.faq-section {
    padding: clamp(5rem, 8vw, 7rem) 0;
    border-top: 1px solid var(--border-color);
    background: radial-gradient(circle at 50% 10%, rgba(56, 189, 248, 0.04) 0%, transparent 70%);
}
.faq-list {
    max-width: 860px;
    margin: 3.5rem auto 0;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}
.faq-item {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    overflow: hidden;
    transition: all var(--transition-fast);
}
.faq-item:hover,
.faq-item.active {
    border-color: rgba(56, 189, 248, 0.35);
    background: var(--bg-surface-hover);
}
.faq-header {
    width: 100%;
    padding: 1.4rem 1.8rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    background: none;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: color var(--transition-fast);
}
.faq-header:hover {
    color: #38bdf8;
}
.faq-icon {
    font-size: 1.3rem;
    color: var(--text-dim);
    transition: transform var(--transition-normal);
}
.faq-item.active .faq-icon {
    transform: rotate(45deg);
    color: #38bdf8;
}
.faq-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.35s ease;
    padding: 0 1.8rem;
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.7;
}
.faq-item.active .faq-body {
    max-height: 400px;
    padding: 0 1.8rem 1.6rem 1.8rem;
}

/* ==========================================================================
   RESPONSIVE ARCHITECTURE TOPOLOGY (SISTEMAS.HTML) - ZERO MOBILE DISTORTION
   ========================================================================== */
.arch-diagram {
    position: relative;
    width: 100%;
    margin: 3.5rem 0 2rem;
    background: radial-gradient(circle at center, rgba(56, 189, 248, 0.05) 0%, rgba(10, 11, 16, 0.95) 75%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    padding: 3rem 2rem;
    box-shadow: 0 20px 50px -15px rgba(0, 0, 0, 0.9);
}

/* Desktop layout (>= 769px) */
@media (min-width: 769px) {
    .arch-desktop-wrap {
        position: relative;
        width: 100%;
        height: 460px;
        display: block;
    }
    .arch-mobile-wrap {
        display: none !important;
    }
    .arch-canvas-svg {
        position: absolute;
        inset: 0;
        width: 100%;
        height: 100%;
        z-index: 1;
        pointer-events: none;
    }
    .arch-node {
        position: absolute;
        transform: translate(-50%, -50%);
        z-index: 4;
        background: rgba(14, 16, 24, 0.92);
        border: 1px solid rgba(255, 255, 255, 0.12);
        border-radius: 12px;
        padding: 0.85rem 1.4rem;
        color: var(--text-primary);
        font-family: var(--font-sans);
        font-size: 0.88rem;
        font-weight: 600;
        backdrop-filter: blur(12px);
        box-shadow: 0 12px 30px -10px rgba(0, 0, 0, 0.8);
        transition: all var(--transition-fast);
        display: inline-flex;
        align-items: center;
        gap: 0.6rem;
        white-space: nowrap;
    }
    .arch-node:hover {
        border-color: #38bdf8;
        box-shadow: 0 0 25px rgba(56, 189, 248, 0.35);
        transform: translate(-50%, calc(-50% - 3px));
    }
    .arch-node--center {
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        z-index: 10;
        background: radial-gradient(circle at center, #161b2e 0%, #0c0e17 100%);
        border: 2px solid #38bdf8;
        border-radius: 50%;
        width: 140px;
        height: 140px;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        text-align: center;
        box-shadow: 0 0 45px rgba(56, 189, 248, 0.35), inset 0 0 20px rgba(56, 189, 248, 0.15);
    }
    .arch-node--center b {
        font-family: var(--font-display);
        font-size: 1rem;
        letter-spacing: 0.08em;
        color: #ffffff;
    }
    .arch-node--center small {
        font-family: var(--font-mono);
        font-size: 0.65rem;
        color: #38bdf8;
        letter-spacing: 0.1em;
        margin-top: 4px;
    }
    .arch-node--api { left: 50%; top: 12%; border-color: rgba(56, 189, 248, 0.4); background: rgba(56, 189, 248, 0.1); }
    .arch-node--crm { left: 22%; top: 32%; }
    .arch-node--lms { left: 78%; top: 32%; }
    .arch-node--pos { left: 24%; top: 74%; }
    .arch-node--web { left: 76%; top: 74%; }
}

/* Mobile layout (<= 768px): Vertical Stack & Grid Architecture - ZERO Distortion */
@media (max-width: 768px) {
    .arch-desktop-wrap {
        display: none !important;
    }
    .arch-mobile-wrap {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 1.5rem;
        width: 100%;
        padding: 0.5rem 0;
    }
    .arch-mobile-core {
        width: 100%;
        max-width: 320px;
        background: radial-gradient(circle at center, #161b2e 0%, #0d0e17 100%);
        border: 2px solid #38bdf8;
        border-radius: 14px;
        padding: 1.25rem;
        text-align: center;
        box-shadow: 0 0 30px rgba(56, 189, 248, 0.25);
    }
    .arch-mobile-core b {
        display: block;
        font-family: var(--font-display);
        font-size: 1.25rem;
        color: #ffffff;
        letter-spacing: 0.05em;
    }
    .arch-mobile-core small {
        display: block;
        font-family: var(--font-mono);
        font-size: 0.72rem;
        color: #38bdf8;
        letter-spacing: 0.12em;
        margin-top: 0.35rem;
        text-transform: uppercase;
    }
    .arch-mobile-spine {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 4px;
        color: #38bdf8;
        font-size: 0.75rem;
        font-family: var(--font-mono);
    }
    .arch-mobile-spine-line {
        width: 2px;
        height: 24px;
        background: linear-gradient(180deg, #38bdf8, rgba(56, 189, 248, 0.2));
    }
    .arch-mobile-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 0.85rem;
        width: 100%;
    }
    @media (min-width: 480px) and (max-width: 768px) {
        .arch-mobile-grid {
            grid-template-columns: 1fr 1fr;
        }
    }
    .arch-mobile-item {
        background: rgba(18, 20, 28, 0.95);
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: 10px;
        padding: 1rem 1.2rem;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 0.75rem;
    }
    .arch-mobile-item b {
        font-size: 0.9rem;
        color: var(--text-primary);
        font-weight: 600;
    }
    .arch-mobile-item span {
        font-family: var(--font-mono);
        font-size: 0.7rem;
        color: #34d399;
        display: inline-flex;
        align-items: center;
        gap: 0.35rem;
    }
}

/* ==========================================================================
   CONFIGURADOR INTERACTIVO DE SISTEMAS (COTIZACION.HTML)
   ========================================================================== */
.config-container {
    max-width: 1080px;
    margin: 0 auto;
}
.config-step {
    margin-bottom: 3.5rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: clamp(1.75rem, 4vw, 2.75rem);
    box-shadow: 0 15px 35px -10px rgba(0, 0, 0, 0.6);
}
.config-step__head {
    margin-bottom: 2rem;
}
.config-step__num {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: #38bdf8;
    text-transform: uppercase;
    margin-bottom: 0.4rem;
    display: block;
}
.config-step__title {
    font-size: clamp(1.3rem, 2.5vw, 1.7rem);
    color: var(--text-primary);
    margin-bottom: 0.4rem;
}
.config-step__desc {
    color: var(--text-secondary);
    font-size: 0.92rem;
}

/* Cards de Selección de Sistemas */
.systems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
    gap: 1.25rem;
}
.system-card {
    background: rgba(14, 15, 22, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 1.5rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    user-select: none;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.system-card:hover {
    border-color: rgba(56, 189, 248, 0.4);
    background: rgba(20, 22, 32, 0.95);
    transform: translateY(-2px);
}
.system-card.active {
    border-color: #38bdf8;
    background: rgba(56, 189, 248, 0.08);
    box-shadow: 0 0 25px rgba(56, 189, 248, 0.18), inset 0 0 15px rgba(56, 189, 248, 0.05);
}
.system-card__icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: rgba(56, 189, 248, 0.12);
    border: 1px solid rgba(56, 189, 248, 0.25);
    display: grid;
    place-items: center;
    color: #38bdf8;
    margin-bottom: 1rem;
}
.system-card__icon svg { width: 20px; height: 20px; stroke: currentColor; fill: none; stroke-width: 2; }
.system-card__title {
    font-size: 1.1rem;
    color: #ffffff;
    font-family: var(--font-display);
    margin-bottom: 0.5rem;
}
.system-card__desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 1.2rem;
    flex: 1;
}
.system-card__check {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-dim);
    transition: color var(--transition-fast);
}
.system-card.active .system-card__check {
    color: #34d399;
    font-weight: 700;
}

/* Chips de Módulos */
.modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    gap: 0.85rem;
}
.module-chip {
    background: rgba(14, 15, 22, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    padding: 0.85rem 1rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    user-select: none;
}
.module-chip:hover {
    border-color: rgba(56, 189, 248, 0.3);
    color: var(--text-primary);
}
.module-chip.active {
    border-color: #38bdf8;
    background: rgba(56, 189, 248, 0.1);
    color: #ffffff;
}
.module-chip__state {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-dim);
}
.module-chip.active .module-chip__state {
    color: #38bdf8;
    font-weight: bold;
}

/* Opciones de Escala y Tiempos */
.options-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}
.option-btn {
    background: rgba(14, 15, 22, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    padding: 1.1rem;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    user-select: none;
}
.option-btn:hover {
    border-color: rgba(56, 189, 248, 0.3);
}
.option-btn.active {
    border-color: #38bdf8;
    background: rgba(56, 189, 248, 0.1);
}
.option-btn b {
    display: block;
    color: #ffffff;
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
}
.option-btn small {
    display: block;
    color: var(--text-secondary);
    font-size: 0.78rem;
}

/* Resumen Técnico en Vivo */
.config-summary-card {
    background: radial-gradient(circle at 10% 10%, #151824 0%, #0c0d14 100%);
    border: 1px solid rgba(56, 189, 248, 0.35);
    border-radius: 16px;
    padding: 2.25rem;
    margin-bottom: 3rem;
    box-shadow: 0 20px 50px -15px rgba(0, 0, 0, 0.8), 0 0 40px rgba(56, 189, 248, 0.12);
}
.summary-line {
    display: flex;
    justify-content: space-between;
    padding: 0.65rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    font-size: 0.9rem;
}
.summary-line:last-child {
    border-bottom: none;
}
.summary-label {
    color: var(--text-dim);
}
.summary-value {
    color: #38bdf8;
    font-weight: 600;
    text-align: right;
    max-width: 65%;
}

/* ==========================================================================
   CHARTER DE CIBERSEGURIDAD & PRIVACIDAD BANCARIA (PRIVACIDAD.HTML)
   ========================================================================== */
.security-badges-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
    margin: 3rem 0 4rem;
}
.sec-badge-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: left;
    transition: all var(--transition-fast);
}
.sec-badge-card:hover {
    border-color: rgba(56, 189, 248, 0.35);
    transform: translateY(-2px);
}
.sec-badge-card__icon {
    font-size: 1.8rem;
    margin-bottom: 0.75rem;
    display: inline-block;
}
.sec-badge-card b {
    display: block;
    font-family: var(--font-display);
    font-size: 1.05rem;
    color: #ffffff;
    margin-bottom: 0.35rem;
}
.sec-badge-card small {
    display: block;
    color: var(--text-secondary);
    font-size: 0.8rem;
    line-height: 1.45;
}

.legal-article {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 2.25rem;
    margin-bottom: 1.75rem;
}
.legal-article h3 {
    font-size: 1.25rem;
    color: #ffffff;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}
.legal-article h3 span {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: #38bdf8;
}
.legal-article p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 1rem;
}
.legal-article p:last-child {
    margin-bottom: 0;
}
.arco-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}
.arco-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 8px;
    padding: 1rem;
}
.arco-item b {
    display: block;
    color: #38bdf8;
    font-size: 0.9rem;
    margin-bottom: 0.35rem;
}
.arco-item small {
    display: block;
    color: var(--text-dim);
    font-size: 0.78rem;
    line-height: 1.4;
}

/* --- SECCIÓN DE CAPTURA COMERCIAL: 4 SOLUCIONES CLAVE --- */
.solutions-capture-section {
    padding: clamp(4rem, 8vw, 7rem) 0;
    position: relative;
    background: radial-gradient(circle at 50% 0%, rgba(56, 189, 248, 0.05) 0%, transparent 60%);
}
.solutions-capture-header {
    text-align: center;
    max-width: 860px;
    margin: 0 auto clamp(2.5rem, 5vw, 4rem);
}
.solutions-capture-header h2 {
    font-size: clamp(1.9rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1rem;
    color: #ffffff;
}
.solutions-capture-header p {
    color: var(--text-secondary);
    font-size: clamp(0.95rem, 1.8vw, 1.1rem);
    line-height: 1.6;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 520px), 1fr));
    gap: clamp(1.5rem, 3vw, 2.25rem);
}

.sol-card {
    background: rgba(18, 18, 22, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.09);
    border-radius: 18px;
    padding: clamp(1.75rem, 4vw, 2.5rem);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    transition: transform var(--transition-smooth), border-color var(--transition-smooth), box-shadow var(--transition-smooth);
}
.sol-card:hover {
    transform: translateY(-5px);
    border-color: rgba(56, 189, 248, 0.45);
    box-shadow: 0 20px 45px -15px rgba(0, 0, 0, 0.8), 0 0 35px rgba(56, 189, 248, 0.12);
}

.sol-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #38bdf8, transparent);
    opacity: 0.6;
    transition: opacity var(--transition-fast);
}
.sol-card:hover::before {
    opacity: 1;
}

.sol-card--education::before {
    background: linear-gradient(90deg, #34d399, transparent);
}
.sol-card--education:hover {
    border-color: rgba(52, 211, 153, 0.45);
    box-shadow: 0 20px 45px -15px rgba(0, 0, 0, 0.8), 0 0 35px rgba(52, 211, 153, 0.12);
}

.sol-card--ecommerce::before {
    background: linear-gradient(90deg, #f59e0b, transparent);
}
.sol-card--ecommerce:hover {
    border-color: rgba(245, 158, 11, 0.45);
    box-shadow: 0 20px 45px -15px rgba(0, 0, 0, 0.8), 0 0 35px rgba(245, 158, 11, 0.12);
}

.sol-card--sales::before {
    background: linear-gradient(90deg, #a855f7, transparent);
}
.sol-card--sales:hover {
    border-color: rgba(168, 85, 247, 0.45);
    box-shadow: 0 20px 45px -15px rgba(0, 0, 0, 0.8), 0 0 35px rgba(168, 85, 247, 0.12);
}

.sol-card__top {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
}
.sol-card__icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: rgba(56, 189, 248, 0.1);
    border: 1px solid rgba(56, 189, 248, 0.25);
    color: #38bdf8;
    flex-shrink: 0;
}
.sol-card--education .sol-card__icon {
    background: rgba(52, 211, 153, 0.1);
    border-color: rgba(52, 211, 153, 0.25);
    color: #34d399;
}
.sol-card--ecommerce .sol-card__icon {
    background: rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.25);
    color: #f59e0b;
}
.sol-card--sales .sol-card__icon {
    background: rgba(168, 85, 247, 0.1);
    border-color: rgba(168, 85, 247, 0.25);
    color: #c084fc;
}
.sol-card__icon svg {
    width: 24px;
    height: 24px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.sol-card__meta {
    display: flex;
    flex-direction: column;
}
.sol-card__category {
    font-family: var(--font-mono, monospace);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: 0.2rem;
}
.sol-card__title {
    font-size: clamp(1.25rem, 2.2vw, 1.55rem);
    font-weight: 700;
    color: #ffffff;
    line-height: 1.2;
}

.sol-card__desc {
    font-size: clamp(0.92rem, 1.5vw, 1rem);
    line-height: 1.6;
    color: #cbd5e1;
    margin-bottom: 1.25rem;
}

.sol-card__matrix {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.55rem;
    margin-bottom: 1.25rem;
}
.sol-matrix-tag {
    background: rgba(255, 255, 255, 0.025);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 8px;
    padding: 0.5rem 0.75rem;
    font-family: var(--font-mono, monospace);
    font-size: 0.75rem;
    color: #e2e8f0;
    display: flex;
    align-items: center;
    gap: 0.45rem;
    line-height: 1.3;
}
.sol-matrix-tag::before {
    content: '●';
    font-size: 0.6rem;
    color: #38bdf8;
    flex-shrink: 0;
}
.sol-card--education .sol-matrix-tag::before { color: #34d399; }
.sol-card--ecommerce .sol-matrix-tag::before { color: #f59e0b; }
.sol-card--sales .sol-matrix-tag::before { color: #c084fc; }

.sol-card__proof {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.78rem;
    font-family: var(--font-mono, monospace);
    color: #94a3b8;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
}
.sol-card__proof a {
    color: #38bdf8;
    text-decoration: none;
    border-bottom: 1px dotted rgba(56, 189, 248, 0.4);
    transition: color var(--transition-fast);
}
.sol-card__proof a:hover {
    color: #ffffff;
    border-bottom-color: #ffffff;
}
.sol-card--education .sol-card__proof a { color: #34d399; border-bottom-color: rgba(52, 211, 153, 0.4); }

.sol-card__actions {
    margin-top: auto;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}
.sol-card__actions .btn {
    flex: 1;
    min-width: 160px;
    font-size: 0.8rem;
    padding: 0.75rem 1rem;
    letter-spacing: 0.04em;
}

@media (max-width: 768px) {
    .solutions-grid {
        grid-template-columns: 1fr;
    }
    .sol-card__actions {
        flex-direction: column;
    }
    .sol-card__actions .btn {
        width: 100%;
    }
}