/* =========================================================
   HACKD1 — Software & Security
   styles.css — sistema de diseño + componentes
   ========================================================= */

/* ===================== Fuentes auto-alojadas (subset latino) ===================== */
/* Orbitron es variable (cubre 400–900 en un solo archivo) */
@font-face {
    font-family: 'Orbitron';
    font-style: normal;
    font-weight: 400 900;
    font-display: swap;
    src: url('../fonts/orbitron.woff2') format('woff2');
}
@font-face {
    font-family: 'Rajdhani';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url('../fonts/rajdhani-400.woff2') format('woff2');
}
@font-face {
    font-family: 'Rajdhani';
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: url('../fonts/rajdhani-500.woff2') format('woff2');
}
@font-face {
    font-family: 'Rajdhani';
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: url('../fonts/rajdhani-700.woff2') format('woff2');
}
@font-face {
    font-family: 'Share Tech Mono';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url('../fonts/sharetechmono.woff2') format('woff2');
}
/* Poppins: fuente de marca para el wordmark del logo */
@font-face {
    font-family: 'Poppins';
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: url('../fonts/poppins-700.woff2') format('woff2');
}
@font-face {
    font-family: 'Poppins';
    font-style: normal;
    font-weight: 800;
    font-display: swap;
    src: url('../fonts/poppins-800.woff2') format('woff2');
}

:root {
    --bg: #060f14;
    --bg-secondary: #0a151b;
    --bg-card: #0c1a20;
    --bg-card-hover: #12252c;
    --primary: #2fe6a1;
    --secondary: #22d3ee;
    --accent: #5eead4;
    --warning: #ffb84d;
    --danger: #ff5c7c;
    --text: #b8cce0;
    --text-bright: #e8f0ff;
    --muted: #7a85a8;          /* aclarado vs. original #4a5070 para contraste AA */
    --muted-soft: #4a5070;
    --border: #16323a;
    --glow-primary: rgba(47, 230, 161, 0.4);
    --glow-secondary: rgba(34, 211, 238, 0.4);
    --glow-accent: rgba(94, 234, 212, 0.4);

    --maxw: 1300px;
    --radius: 4px;
    --font-mono: 'Share Tech Mono', ui-monospace, 'Cascadia Code', monospace;
    --font-display: 'Orbitron', sans-serif;
    --font-body: 'Rajdhani', system-ui, sans-serif;
    --font-brand: 'Poppins', system-ui, sans-serif;

    /* Escala de espaciado (ritmo vertical consistente) */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;

    /* Tracking de acentos: mono/labels sí; texto largo, contenido */
    --track-accent: 2px;
    --track-tight: 1px;
}

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

html { scroll-behavior: smooth; }

body {
    /* Cuerpo en Rajdhani: legible y serio. La mono queda para acentos. */
    font-family: var(--font-body);
    font-size: 1.02rem;
    background: var(--bg);
    color: var(--text);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: inherit; }

/* --- Acentos monoespaciados (mantienen el sabor "terminal") --- */
.hero-tag,
.section-label,
.tech-badge,
.tag,
.layer-list li::before,
.credit,
.form-group label { font-family: var(--font-mono); }

/* --- Iconos SVG (line-art, heredan currentColor) --- */
.icon {
    width: 2rem;
    height: 2rem;
    display: inline-block;
    vertical-align: middle;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.6;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.icon-inline { width: 1.05em; height: 1.05em; margin-right: 0.15em; }

/* Accesibilidad: salto al contenido */
.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 1000;
    background: var(--primary);
    color: var(--bg);
    padding: 0.75rem 1.25rem;
    font-family: var(--font-display);
    letter-spacing: 2px;
}
.skip-link:focus { left: 1rem; top: 1rem; }

/* Foco visible global */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
.faq-q:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 3px;
}

/* ===================== Fondos animados ===================== */
#bg-canvas,
.grid-bg,
.glow-1, .glow-2, .glow-3,
.scanlines {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 0;
    pointer-events: none;
}

.grid-bg {
    background:
        linear-gradient(90deg, rgba(47, 230, 161, 0.03) 1px, transparent 1px),
        linear-gradient(rgba(47, 230, 161, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    transform: perspective(500px) rotateX(60deg) scale(2);
    transform-origin: center top;
    animation: gridMove 20s linear infinite;
}
@keyframes gridMove { 0% { background-position: 0 0; } 100% { background-position: 0 60px; } }

.glow-1 { top: -200px; left: -200px; width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(47, 230, 161, 0.08) 0%, transparent 70%);
    animation: float1 15s ease-in-out infinite; }
.glow-2 { top: auto; left: auto; bottom: -200px; right: -200px; width: 700px; height: 700px;
    background: radial-gradient(circle, rgba(34, 211, 238, 0.06) 0%, transparent 70%);
    animation: float2 18s ease-in-out infinite; }
.glow-3 { top: 40%; left: auto; right: -150px; width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(94, 234, 212, 0.05) 0%, transparent 70%);
    animation: float3 12s ease-in-out infinite; }
@keyframes float1 { 0%,100% { transform: translate(0,0);} 50% { transform: translate(100px,80px);} }
@keyframes float2 { 0%,100% { transform: translate(0,0);} 50% { transform: translate(-80px,-100px);} }
@keyframes float3 { 0%,100% { transform: translate(0,0);} 50% { transform: translate(-60px,60px);} }

.scanlines {
    z-index: 1;
    /* Más sutil: menos opacidad y líneas más espaciadas (menos "ruido") */
    background: repeating-linear-gradient(0deg, transparent, transparent 3px, rgba(0,0,0,0.05) 3px, rgba(0,0,0,0.05) 4px);
}

.content { position: relative; z-index: 2; }

/* ===================== Header ===================== */
header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    background: rgba(6, 15, 20, 0.97);
    border-bottom: 1px solid var(--primary);
    box-shadow: 0 0 30px rgba(47, 230, 161, 0.15);
    backdrop-filter: blur(10px);
}
.header-inner {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}
/* Wordmark de marca: "Hack" en blanco + "D1" en degradado verde→cyan */
.logo {
    display: inline-flex;
    align-items: baseline;
    font-family: var(--font-brand);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-bright);
    letter-spacing: -0.5px;
    text-decoration: none;
    text-shadow: 0 0 22px rgba(47, 230, 161, 0.22);
}
.logo span {
    background: linear-gradient(100deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

nav ul { display: flex; list-style: none; gap: 2.2rem; align-items: center; }
nav a.nav-link {
    color: var(--text);
    text-decoration: none;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: color 0.3s;
    position: relative;
    padding: 0.5rem 0;
}
nav a.nav-link::after {
    content: '';
    position: absolute; bottom: 0; left: 0;
    width: 0; height: 1px;
    background: var(--primary);
    transition: width 0.3s;
}
nav a.nav-link:hover { color: var(--primary); }
nav a.nav-link:hover::after { width: 100%; }

/* CTA en header */
.nav-cta {
    font-family: var(--font-display);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    padding: 0.6rem 1.2rem;
    border: 1px solid var(--primary);
    color: var(--primary) !important;
    text-decoration: none;
    transition: all 0.3s;
}
.nav-cta::after { display: none; }
.nav-cta:hover { background: var(--primary); color: var(--bg) !important; box-shadow: 0 0 20px var(--glow-primary); }

/* Botón hamburguesa (móvil) */
.nav-toggle {
    display: none;
    background: none;
    border: 1px solid var(--border);
    color: var(--primary);
    width: 44px; height: 44px;
    cursor: pointer;
    font-size: 1.3rem;
    align-items: center;
    justify-content: center;
}

/* ===================== Botones ===================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    padding: 1rem 2rem;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s;
    border: 2px solid transparent;
}
.btn-primary {
    background: var(--primary);
    color: var(--bg);
    box-shadow: 0 0 25px var(--glow-primary);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 6px 35px var(--glow-primary); }
.btn-ghost {
    background: transparent;
    border-color: var(--secondary);
    color: var(--secondary);
}
.btn-ghost:hover { background: var(--secondary); color: var(--bg); box-shadow: 0 0 25px var(--glow-secondary); }

/* ===================== Hero ===================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 9rem 2rem 4rem;
    position: relative;
}
.hero-content { text-align: center; max-width: 960px; }

.hero-tag {
    display: inline-block;
    font-size: 0.75rem;
    color: var(--accent);
    border: 1px solid rgba(94, 234, 212, 0.35);
    padding: 0.4rem 1.2rem;
    margin-bottom: 2rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    animation: pulse-border 2s infinite;
}
@keyframes pulse-border {
    0%,100% { box-shadow: 0 0 5px rgba(94, 234, 212,0.2); }
    50% { box-shadow: 0 0 15px rgba(94, 234, 212,0.45); }
}

.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 7vw, 4.2rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 6px;
}
.hero h1 .line1 { color: var(--text-bright); }
.hero h1 .line2 { color: var(--primary); text-shadow: 0 0 30px var(--glow-primary); }
.hero h1 .line3 { color: var(--secondary); text-shadow: 0 0 30px var(--glow-secondary); }

.hero-subtitle {
    color: var(--text);
    font-size: 1.2rem;
    max-width: 680px;
    margin: 0 auto 1rem;
    font-family: var(--font-body);
}
.hero-typed { color: var(--accent); }
.cursor { color: var(--accent); animation: blink 1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin: 2.5rem 0 1rem;
}
.hero-microcopy {
    color: var(--muted);
    font-size: 0.85rem;
    font-family: var(--font-body);
    letter-spacing: 1px;
}
.hero-microcopy strong { color: var(--accent); }

/* ===================== Trust bar / stats ===================== */
.trust {
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background: rgba(10, 21, 27,0.6);
}
.trust-inner {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 2.5rem 2rem;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    text-align: center;
}
.stat .stat-num {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 900;
    color: var(--primary);
    text-shadow: 0 0 20px var(--glow-primary);
    line-height: 1;
}
.stat .stat-label {
    font-family: var(--font-body);
    font-size: 0.85rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 0.5rem;
}
.tech-strip {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 2rem 2.5rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
}
.tech-badge {
    font-size: 0.72rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--muted);
    border: 1px solid var(--border);
    padding: 0.35rem 0.9rem;
}

/* ===================== About ===================== */
.about-section { max-width: var(--maxw); margin: 0 auto; }
.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}
.about-card {
    background: linear-gradient(135deg, var(--bg-card), #0a1820);
    border: 1px solid var(--border);
    padding: 2rem;
    text-align: center;
    transition: all 0.3s;
}
.about-card:hover { border-color: rgba(47, 230, 161,0.3); transform: translateY(-4px); }
.about-icon { margin-bottom: 1rem; color: var(--primary); }
.about-icon .icon { width: 2.2rem; height: 2.2rem; }
.about-card h3 {
    font-family: var(--font-display);
    font-size: 1rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 2px;
    margin-bottom: 1rem; color: var(--primary);
}
.about-card p { color: var(--text); font-size: 0.95rem; font-family: var(--font-body); }

/* ===================== Tracks ===================== */
.tracks {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    max-width: 1120px;
    margin: 3rem auto 0;
}
.track {
    background: linear-gradient(135deg, var(--bg-card), #0a1820);
    border: 1px solid var(--border);
    padding: 2.5rem 2rem;
    text-align: left;
    position: relative;
    transition: all 0.4s;
    overflow: hidden;
    text-decoration: none;
    display: block;
}
.track::before { content: ''; position: absolute; top:0; left:0; right:0; height: 3px; }
.track.dev::before { background: linear-gradient(90deg, var(--accent), transparent); }
.track.sec::before { background: linear-gradient(90deg, var(--secondary), transparent); }
.track.ia::before { background: linear-gradient(90deg, var(--primary), transparent); }
.track:hover { background: var(--bg-card-hover); transform: translateY(-5px); }
.track.dev:hover { border-color: rgba(94, 234, 212,0.4); box-shadow: 0 10px 40px rgba(94, 234, 212,0.1); }
.track.sec:hover { border-color: rgba(34, 211, 238,0.4); box-shadow: 0 10px 40px rgba(34, 211, 238,0.1); }
.track.ia:hover { border-color: rgba(47, 230, 161,0.4); box-shadow: 0 10px 40px rgba(47, 230, 161,0.1); }
.track-header { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.2rem; }
.track-icon .icon { width: 2.5rem; height: 2.5rem; }
.track.dev .track-icon { color: var(--accent); }
.track.sec .track-icon { color: var(--secondary); }
.track.ia .track-icon { color: var(--primary); }
.tracks .track h2 { font-family: var(--font-display); font-size: 0.95rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; line-height: 1.3; }
.track.dev h2 { color: var(--accent); }
.track.sec h2 { color: var(--secondary); }
.track.ia h2 { color: var(--primary); }
.track p { color: var(--text); font-size: 0.95rem; margin-bottom: 1.5rem; font-family: var(--font-body); }
.track-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tag { font-size: 0.7rem; padding: 0.3rem 0.8rem; border: 1px solid; text-transform: uppercase; letter-spacing: 1px; }
.track.dev .tag { color: var(--accent); border-color: rgba(94, 234, 212,0.4); background: rgba(94, 234, 212,0.05); }
.track.sec .tag { color: var(--secondary); border-color: rgba(34, 211, 238,0.4); background: rgba(34, 211, 238,0.05); }
.track.ia .tag { color: var(--primary); border-color: rgba(47, 230, 161,0.4); background: rgba(47, 230, 161,0.05); }

/* ===================== Section base ===================== */
.section { padding: 6rem 2rem; max-width: var(--maxw); margin: 0 auto; }
.section-header { text-align: center; margin-bottom: 4rem; }
.section-label { font-size: 0.75rem; color: var(--accent); letter-spacing: 4px; text-transform: uppercase; margin-bottom: 1rem; }
.section h2 { font-family: var(--font-display); font-size: clamp(1.6rem, 4vw, 2rem); font-weight: 700; text-transform: uppercase; letter-spacing: 4px; }
.section .section-intro { color: var(--muted); font-family: var(--font-body); max-width: 620px; margin: 1rem auto 0; font-size: 1.05rem; }
.dev-section h2 { color: var(--accent); }
.sec-section h2 { color: var(--secondary); }
.ia-section h2 { color: var(--primary); }
.h2-bright { color: var(--text-bright); }
.section--top { padding-top: 9rem; }
.post-date { color: var(--muted); font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 1px; text-transform: uppercase; margin: 0.2rem 0 0.3rem; }
.case h3 a { color: inherit; text-decoration: none; }
.case h3 a:hover { color: var(--primary); }

/* Sprite de iconos oculto (sin estilos inline, para CSP estricto) */
.svg-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

/* ===================== Cards grid ===================== */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; }
.card {
    background: linear-gradient(135deg, var(--bg-card), #0a1820);
    border: 1px solid var(--border);
    padding: 2rem;
    transition: all 0.3s;
    position: relative;
}
.card::before {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(135deg, transparent 60%, rgba(47, 230, 161,0.02));
    pointer-events: none;
}
.card:hover { background: var(--bg-card-hover); transform: translateY(-4px); }
.dev-section .card:hover { border-color: rgba(94, 234, 212,0.3); }
.sec-section .card:hover { border-color: rgba(34, 211, 238,0.3); }
.ia-section .card:hover { border-color: rgba(47, 230, 161,0.3); }
.card-icon { margin-bottom: 1.25rem; color: var(--text); opacity: 0.7; transition: opacity 0.3s, color 0.3s; }
.dev-section .card-icon { color: var(--accent); }
.sec-section .card-icon { color: var(--secondary); }
.ia-section .card-icon { color: var(--primary); }
.card:hover .card-icon { opacity: 1; }
.card h3 { font-family: var(--font-display); font-size: 0.95rem; font-weight: 700; text-transform: uppercase; letter-spacing: 2px; margin-bottom: 0.75rem; }
.dev-section .card h3 { color: var(--accent); }
.sec-section .card h3 { color: var(--secondary); }
.ia-section .card h3 { color: var(--primary); }
.card p { color: var(--text); font-size: 0.92rem; font-family: var(--font-body); }

/* ===================== Artículo (blog) ===================== */
.article { max-width: 760px; margin: 0 auto; padding: 9rem 2rem 5rem; }
.article-header { margin-bottom: 2.5rem; border-bottom: 1px solid var(--border); padding-bottom: 1.5rem; }
.article-header h1 { font-family: var(--font-display); font-size: clamp(1.6rem, 4vw, 2.4rem); color: var(--text-bright); letter-spacing: 2px; line-height: 1.2; margin-bottom: 1rem; }
.article-meta { color: var(--muted); font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 1px; text-transform: uppercase; display: flex; gap: 1rem; flex-wrap: wrap; }
.prose { font-family: var(--font-body); font-size: 1.08rem; color: var(--text); }
.prose h2 { font-family: var(--font-display); font-size: 1.3rem; color: var(--primary); text-transform: none; letter-spacing: 1px; margin: 2.5rem 0 1rem; }
.prose h3 { font-family: var(--font-display); font-size: 1.05rem; color: var(--accent); margin: 2rem 0 0.75rem; }
.prose p { margin-bottom: 1.25rem; }
.prose ul, .prose ol { margin: 0 0 1.25rem 1.4rem; }
.prose li { margin-bottom: 0.5rem; }
.prose a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.prose code { font-family: var(--font-mono); font-size: 0.9em; background: var(--bg-secondary); border: 1px solid var(--border); padding: 0.1rem 0.4rem; }
.prose pre { background: var(--bg-secondary); border: 1px solid var(--border); padding: 1.25rem; overflow-x: auto; margin-bottom: 1.5rem; }
.prose pre code { border: none; padding: 0; background: none; }
.prose blockquote { border-left: 2px solid var(--primary); padding-left: 1.25rem; color: var(--muted); margin: 0 0 1.5rem; }
.article-back { display: inline-block; margin-bottom: 2rem; color: var(--accent); text-decoration: none; font-family: var(--font-mono); font-size: 0.8rem; letter-spacing: 1px; }
.article-back:hover { text-decoration: underline; }

/* ===================== Divider ===================== */
.divider { height: 1px; background: linear-gradient(90deg, transparent, var(--border), transparent); max-width: var(--maxw); margin: 0 auto; }

/* ===================== DDD ===================== */
.ddd-section { padding: 6rem 2rem; background: var(--bg-secondary); }
.ddd-inner { max-width: var(--maxw); margin: 0 auto; }
.ddd-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; }
.ddd h3 { font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; margin-bottom: 1.5rem; text-transform: uppercase; letter-spacing: 3px; }
.ddd h3.accent { color: var(--primary); }
.ddd h3.cyan { color: var(--accent); }
.ddd p { color: var(--muted); margin-bottom: 1.5rem; font-family: var(--font-body); font-size: 1.05rem; }
.layer-list { list-style: none; }
.layer-list li { padding: 1rem 0; border-bottom: 1px solid var(--border); display: flex; align-items: flex-start; gap: 1rem; font-family: var(--font-body); }
.layer-list li::before { content: '>>'; color: var(--primary); font-weight: bold; }
.layer-list li strong { color: var(--text-bright); }

/* ===================== Red Team banner ===================== */
.redteam-banner {
    background: linear-gradient(135deg, rgba(34, 211, 238,0.08) 0%, rgba(255,184,77,0.05) 100%);
    border: 1px solid rgba(34, 211, 238,0.2);
    padding: 2rem;
    margin-bottom: 3rem;
    text-align: center;
}
.redteam-banner h3 { font-family: var(--font-display); color: var(--warning); font-size: 1rem; margin-bottom: 0.5rem; letter-spacing: 3px; }
.redteam-banner p { color: var(--muted); font-family: var(--font-body); }

/* ===================== Banner IA ===================== */
.ia-banner {
    background: linear-gradient(135deg, rgba(47, 230, 161,0.08) 0%, rgba(34, 211, 238,0.05) 100%);
    border: 1px solid rgba(47, 230, 161,0.2);
    padding: 2rem;
    margin-bottom: 3rem;
    text-align: center;
}
.ia-banner h3 { font-family: var(--font-display); color: var(--primary); font-size: 1rem; margin-bottom: 0.5rem; letter-spacing: 3px; display: inline-flex; align-items: center; gap: 0.5rem; }
.ia-banner p { color: var(--muted); font-family: var(--font-body); }

/* ===================== Proceso ===================== */
.process-section { background: var(--bg-secondary); }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; counter-reset: step; }
.process-step {
    position: relative;
    background: linear-gradient(135deg, var(--bg-card), #0a1820);
    border: 1px solid var(--border);
    padding: 2rem 1.5rem;
    transition: all 0.3s;
}
.process-step:hover { transform: translateY(-4px); border-color: rgba(47, 230, 161,0.3); }
.process-step .step-num {
    font-family: var(--font-display);
    font-size: 2.4rem; font-weight: 900;
    color: var(--primary);
    opacity: 0.35;
    line-height: 1;
}
.process-step h3 { font-family: var(--font-display); font-size: 0.95rem; text-transform: uppercase; letter-spacing: 2px; color: var(--text-bright); margin: 0.75rem 0; }
.process-step p { color: var(--muted); font-family: var(--font-body); font-size: 0.92rem; }

/* ===================== Casos de estudio ===================== */
.case { display: flex; flex-direction: column; gap: 0.6rem; }
.case h3 { color: var(--text-bright); margin: 0.3rem 0 0.4rem; }
.case-tag {
    align-self: flex-start;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--accent);
    border: 1px solid rgba(94, 234, 212,0.4);
    background: rgba(94, 234, 212,0.05);
    padding: 0.25rem 0.7rem;
}
.case-line { color: var(--text); font-family: var(--font-body); font-size: 0.92rem; margin: 0; }
.case-line strong { color: var(--primary); font-family: var(--font-display); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 1px; display: block; margin-bottom: 0.1rem; }

/* ===================== FAQ ===================== */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { border: 1px solid var(--border); margin-bottom: 1rem; background: linear-gradient(135deg, var(--bg-card), #0a1820); }
.faq-q {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    color: var(--text-bright);
    font-family: var(--font-display);
    font-size: 0.92rem;
    letter-spacing: 1px;
    padding: 1.3rem 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}
.faq-q .faq-icon { color: var(--primary); transition: transform 0.3s; flex-shrink: 0; }
.faq-q[aria-expanded="true"] .faq-icon { transform: rotate(45deg); }
.faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
    color: var(--muted);
    font-family: var(--font-body);
}
.faq-a p { padding: 0 1.5rem 1.4rem; }

/* ===================== CTA band ===================== */
.cta-band {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 4rem 2rem;
    text-align: center;
}
.cta-band-inner {
    background: linear-gradient(135deg, rgba(47, 230, 161,0.1), rgba(34, 211, 238,0.08));
    border: 1px solid rgba(47, 230, 161,0.25);
    padding: 3.5rem 2rem;
}
.cta-band h2 { font-family: var(--font-display); font-size: clamp(1.4rem, 4vw, 2rem); color: var(--text-bright); text-transform: uppercase; letter-spacing: 3px; margin-bottom: 0.75rem; }
.cta-band p { color: var(--muted); font-family: var(--font-body); margin-bottom: 2rem; font-size: 1.1rem; }

/* ===================== Contacto ===================== */
.contact-section { padding: 5rem 2rem 6rem; max-width: 760px; margin: 0 auto; text-align: center; }
.contact-section h2 { font-family: var(--font-display); font-size: 1.75rem; font-weight: 700; margin-bottom: 0.5rem; text-transform: uppercase; letter-spacing: 4px; color: var(--text-bright); }
.contact-section .subtitle { color: var(--muted); margin-bottom: 1.5rem; font-family: var(--font-body); font-size: 1.05rem; }
.contact-direct { display: flex; gap: 1.5rem; justify-content: center; flex-wrap: wrap; margin-bottom: 2.5rem; font-family: var(--font-body); }
.contact-direct a { color: var(--accent); text-decoration: none; border-bottom: 1px solid transparent; transition: border-color 0.3s; }
.contact-direct a:hover { border-color: var(--accent); }

.contact-form { background: linear-gradient(135deg, var(--bg-card), #0a1820); border: 1px solid var(--border); padding: 2.5rem; text-align: left; }
.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 2px; margin-bottom: 0.5rem; color: var(--primary); }
.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text-bright);
    font-family: var(--font-mono);
    font-size: 1rem;
    transition: all 0.3s;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--muted-soft); }
.form-group input:focus,
.form-group textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 15px rgba(47, 230, 161,0.15); }
.form-group textarea { min-height: 140px; resize: vertical; }
.honeypot { position: absolute; left: -9999px; opacity: 0; pointer-events: none; }

.submit-btn {
    width: 100%;
    padding: 1rem 2rem;
    background: var(--primary);
    border: 2px solid var(--primary);
    color: var(--bg);
    font-family: var(--font-display);
    font-size: 1rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 3px;
    cursor: pointer;
    transition: all 0.3s;
}
.submit-btn:hover { box-shadow: 0 0 30px var(--glow-primary); transform: translateY(-2px); }
.submit-btn:disabled { opacity: 0.6; cursor: wait; transform: none; }

.form-status { margin-top: 1rem; font-family: var(--font-body); min-height: 1.2em; }
.form-status.ok { color: var(--accent); }
.form-status.err { color: var(--danger); }

/* ===================== Footer ===================== */
footer { padding: 3rem 2rem; text-align: center; border-top: 1px solid var(--border); }
footer .logo { margin-bottom: 1rem; display: inline-block; }
.footer-links { display: flex; gap: 1.5rem; justify-content: center; flex-wrap: wrap; margin-bottom: 1.25rem; }
.footer-links a { color: var(--muted); text-decoration: none; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 1px; transition: color 0.3s; }
.footer-links a:hover { color: var(--primary); }
footer p { color: var(--muted); font-size: 0.85rem; }
footer .credit span { color: var(--primary); }

/* ===================== WhatsApp flotante ===================== */
.wa-float {
    position: fixed;
    bottom: 1.5rem; right: 1.5rem;
    z-index: 200;
    width: 56px; height: 56px;
    border-radius: 50%;
    background: #25d366;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 4px 20px rgba(37,211,102,0.4);
    transition: transform 0.3s;
}
.wa-float:hover { transform: scale(1.1); }
.wa-float svg { width: 30px; height: 30px; fill: #fff; }

/* ===================== Scroll reveal ===================== */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ===================== Glitch (microdesplazamiento, sutil) ===================== */
@keyframes glitch {
    0% { transform: translate(0); }
    25% { transform: translate(-1px, 1px); }
    50% { transform: translate(1px, -1px); }
    75% { transform: translate(-1px, 0); }
    100% { transform: translate(0); }
}
.card:hover h3 { animation: glitch 0.25s ease; }

/* ===================== Responsive ===================== */
@media (max-width: 900px) {
    .trust-inner { grid-template-columns: repeat(2, 1fr); gap: 2rem; }
    .process-grid { grid-template-columns: repeat(2, 1fr); }
    .ddd-grid { grid-template-columns: 1fr; gap: 2rem; }
}
@media (max-width: 768px) {
    .hero h1 { letter-spacing: 3px; }
    .tracks { grid-template-columns: 1fr; }
    .about-grid { grid-template-columns: 1fr; }
    .header-inner { padding: 1rem; }
    .nav-toggle { display: flex; }
    nav {
        position: fixed;
        top: 64px; left: 0; right: 0;
        background: rgba(6, 15, 20,0.99);
        border-bottom: 1px solid var(--primary);
        transform: translateY(-150%);
        transition: transform 0.35s ease;
        padding: 1rem 0;
    }
    nav.open { transform: translateY(0); }
    nav ul { flex-direction: column; gap: 0; }
    nav ul li { width: 100%; text-align: center; }
    nav a.nav-link { display: block; padding: 1rem; }
    .nav-cta { margin: 0.5rem auto; display: inline-block; }
}
@media (max-width: 520px) {
    .trust-inner { grid-template-columns: 1fr; }
    .process-grid { grid-template-columns: 1fr; }
    .hero-cta .btn { width: 100%; justify-content: center; }
    .section { padding: 4rem 1.25rem; }
    .contact-form { padding: 1.5rem; }
}

/* ===================== Reduced motion ===================== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
    .grid-bg, .glow-1, .glow-2, .glow-3 { animation: none; }
    .reveal { opacity: 1; transform: none; }
}