/* ===================================================================
   RonnyAlfonzo.com — Sistema de Diseño Completo
   Fuentes: Syne (display) · DM Sans (body) · JetBrains Mono (accents)
   Estética: Dark Luxury Tech — Premium, Cinematic, Modern
   =================================================================== */

/* ── Google Fonts Import ─────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,400&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ── Variables CSS (Design Tokens) ──────────────────────────────── */
:root {
    /* Colores Base */
    --c-bg:           #030712;
    --c-bg-2:         #0a1120;
    --c-bg-3:         #0f1928;
    --c-surface:      rgba(255, 255, 255, 0.04);
    --c-surface-2:    rgba(255, 255, 255, 0.07);
    --c-border:       rgba(255, 255, 255, 0.08);
    --c-border-hover: rgba(99, 179, 237, 0.3);

    /* Texto */
    --c-text:         #eef2ff;
    --c-text-2:       #94a3b8;
    --c-text-3:       #64748b;

    /* Acento Principal — Azul Eléctrico */
    --c-accent:       hsl(217, 91%, 60%);
    --c-accent-dim:   hsl(217, 91%, 45%);
    --c-accent-glow:  hsla(217, 91%, 60%, 0.25);

    /* Acento Secundario — Violeta */
    --c-violet:       hsl(258, 84%, 67%);
    --c-violet-glow:  hsla(258, 84%, 67%, 0.2);

    /* Acento Éxito */
    --c-green:        hsl(142, 76%, 56%);

    /* Tipografía */
    --f-display:      'Syne', sans-serif;
    --f-body:         'DM Sans', sans-serif;
    --f-mono:         'JetBrains Mono', monospace;

    /* Escalas de espacio (múltiplos de 4px) */
    --sp-1:  4px;
    --sp-2:  8px;
    --sp-3:  12px;
    --sp-4:  16px;
    --sp-5:  20px;
    --sp-6:  24px;
    --sp-8:  32px;
    --sp-10: 40px;
    --sp-12: 48px;
    --sp-16: 64px;
    --sp-20: 80px;
    --sp-24: 96px;
    --sp-32: 128px;

    /* Radios */
    --r-sm:  6px;
    --r-md:  12px;
    --r-lg:  20px;
    --r-xl:  32px;
    --r-full: 9999px;

    /* Transiciones */
    --t-fast:   0.15s ease;
    --t-normal: 0.3s ease;
    --t-slow:   0.6s ease;

    /* Glass */
    --glass-bg:     rgba(10, 17, 32, 0.75);
    --glass-blur:   blur(24px);
    --glass-border: rgba(255, 255, 255, 0.1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--f-body);
    background-color: var(--c-bg);
    color: var(--c-text);
    line-height: 1.65;
    overflow-x: hidden;
    cursor: none; /* cursor personalizado activo */
}

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

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

ul { list-style: none; }

/* ── Cursor Personalizado ────────────────────────────────────────── */
#cursor-dot {
    position: fixed;
    width: 8px;
    height: 8px;
    background: var(--c-accent);
    border-radius: 50%;
    pointer-events: none;
    z-index: 10000;
    transition: transform 0.1s ease, opacity 0.3s ease;
    transform: translate(-50%, -50%);
}

#cursor-ring {
    position: fixed;
    width: 36px;
    height: 36px;
    border: 1.5px solid var(--c-accent);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transition: transform 0.12s ease, width 0.3s ease, height 0.3s ease, opacity 0.3s ease, border-color 0.3s ease;
    transform: translate(-50%, -50%);
    opacity: 0.6;
}

body:has(a:hover) #cursor-ring,
body:has(button:hover) #cursor-ring {
    width: 54px;
    height: 54px;
    border-color: var(--c-violet);
    opacity: 1;
}

/* ── Layout Helpers ──────────────────────────────────────────────── */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--sp-6);
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    font-family: var(--f-mono);
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--c-accent);
    margin-bottom: var(--sp-4);
}

.section-tag::before {
    content: '';
    display: inline-block;
    width: 20px;
    height: 1.5px;
    background: var(--c-accent);
}

/* ── Scroll Reveal ───────────────────────────────────────────────── */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s cubic-bezier(0.4,0,0.2,1),
                transform 0.7s cubic-bezier(0.4,0,0.2,1);
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ══════════════════════════════════════════════════════════════════
   NAVEGACIÓN — GLASSMORPHISM
   ══════════════════════════════════════════════════════════════════ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--sp-4) 0;
    background: transparent;
    transition: background var(--t-normal), padding var(--t-normal), border-bottom var(--t-normal);
    border-bottom: 1px solid transparent;
}

.nav.scrolled {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--glass-border);
    padding: var(--sp-3) 0;
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

.nav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--sp-6);
}

.nav__logo {
    font-family: var(--f-display);
    font-size: 1.2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--c-text);
    transition: color var(--t-fast);
}

.nav__logo span {
    color: var(--c-accent);
}

.nav__logo:hover { color: var(--c-accent); }

.nav__links {
    display: flex;
    align-items: center;
    gap: var(--sp-8);
}

.nav__link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--c-text-2);
    letter-spacing: 0.01em;
    position: relative;
    transition: color var(--t-fast);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--c-accent);
    transition: width var(--t-normal);
}

.nav__link:hover {
    color: var(--c-text);
}

.nav__link:hover::after {
    width: 100%;
}

.nav__cta {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    padding: var(--sp-2) var(--sp-5);
    background: var(--c-accent);
    color: #fff;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--r-full);
    transition: background var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast);
}

.nav__cta:hover {
    background: var(--c-accent-dim);
    transform: translateY(-1px);
    box-shadow: 0 8px 24px var(--c-accent-glow);
}

/* Hamburger */
.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: var(--sp-2);
    background: none;
    border: none;
}

.nav__toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--c-text);
    transition: var(--t-normal);
}

/* Ocultar botón X de cierre en desktop */
#nav-close {
    display: none;
}

@media (max-width: 768px) {
    .nav__links.open #nav-close {
        display: block !important;
    }
}

/* ══════════════════════════════════════════════════════════════════
   SECCIÓN 1: HERO
   ══════════════════════════════════════════════════════════════════ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

/* Fondo animado con blobs */
.hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero__blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.35;
    animation: blobFloat 8s ease-in-out infinite;
}

.hero__blob--1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, hsl(217, 91%, 40%), transparent 70%);
    top: -200px;
    right: -100px;
    animation-delay: 0s;
}

.hero__blob--2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, hsl(258, 84%, 40%), transparent 70%);
    bottom: -150px;
    left: -100px;
    animation-delay: 3s;
}

.hero__blob--3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, hsl(190, 90%, 35%), transparent 70%);
    top: 40%;
    left: 40%;
    animation-delay: 5s;
    opacity: 0.2;
}

@keyframes blobFloat {
    0%, 100% { transform: translateY(0) scale(1); }
    50%       { transform: translateY(-30px) scale(1.05); }
}

/* Grid de partículas (noise overlay) */
.hero__noise {
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
    background-size: 200px;
    opacity: 0.4;
    z-index: 1;
    pointer-events: none;
}

.hero__inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-12);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--sp-20) var(--sp-6);
}

/* Contenido de texto */
.hero__content {
    max-width: 580px;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    padding: var(--sp-2) var(--sp-4);
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--r-full);
    font-family: var(--f-mono);
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    color: var(--c-accent);
    text-transform: uppercase;
    margin-bottom: var(--sp-6);
}

.hero__badge::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--c-green);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--c-green);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 8px var(--c-green); }
    50%       { opacity: 0.5; box-shadow: 0 0 2px var(--c-green); }
}

.hero__title {
    font-family: var(--f-display);
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--c-text);
    margin-bottom: var(--sp-6);
}

.hero__title .line {
    display: block;
    overflow: hidden;
}

.hero__title .line span {
    display: inline-block;
    animation: slideUp 0.9s cubic-bezier(0.4,0,0.2,1) both;
}

.hero__title .line:nth-child(2) span { animation-delay: 0.15s; }
.hero__title .line:nth-child(3) span { animation-delay: 0.3s; }

@keyframes slideUp {
    from { transform: translateY(100%); opacity: 0; }
    to   { transform: translateY(0); opacity: 1; }
}

.hero__title .accent {
    background: linear-gradient(135deg, var(--c-accent), var(--c-violet));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__desc {
    font-size: 1.05rem;
    color: var(--c-text-2);
    line-height: 1.7;
    margin-bottom: var(--sp-8);
    max-width: 480px;
}

.hero__actions {
    display: flex;
    gap: var(--sp-4);
    flex-wrap: wrap;
}

/* Botones */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    padding: var(--sp-4) var(--sp-8);
    background: var(--c-accent);
    color: #fff;
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: var(--r-full);
    border: none;
    cursor: pointer;
    transition: background var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast);
}

.btn-primary:hover {
    background: var(--c-accent-dim);
    transform: translateY(-2px);
    box-shadow: 0 12px 32px var(--c-accent-glow);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    padding: var(--sp-4) var(--sp-8);
    background: transparent;
    color: var(--c-text);
    font-weight: 500;
    font-size: 0.9rem;
    border-radius: var(--r-full);
    border: 1.5px solid var(--c-border);
    cursor: pointer;
    transition: border-color var(--t-fast), color var(--t-fast), background var(--t-fast);
}

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

/* Foto Hero */
.hero__photo-wrap {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero__photo-glow {
    position: absolute;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: radial-gradient(circle at center, var(--c-accent-glow) 0%, transparent 70%);
    filter: blur(40px);
    z-index: 0;
    animation: blobFloat 6s ease-in-out infinite;
}

.hero__photo {
    position: relative;
    z-index: 1;
    width: 320px;
    height: 440px;
    object-fit: cover;
    object-position: top center;
    border-radius: var(--r-xl);
    /* Degradado solo en la parte inferior para fusionar con el fondo */
    mask-image: linear-gradient(to bottom, black 75%, transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, black 75%, transparent 100%);
}

.hero__photo-border {
    position: absolute;
    inset: -1px;
    border-radius: var(--r-xl);
    background: linear-gradient(135deg, var(--c-accent), var(--c-violet), transparent);
    z-index: 0;
    opacity: 0.4;
}

/* Stats en el hero — integrados en el flujo, no flotantes */
.hero__stats {
    display: flex;
    justify-content: flex-start;
    gap: var(--sp-6);
    margin-top: var(--sp-10);
    flex-wrap: wrap;
    z-index: 3;
    position: relative;
}

.hero__stat {
    text-align: center;
    padding: var(--sp-3) var(--sp-6);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: var(--glass-blur);
    border-radius: var(--r-lg);
}

.hero__stat-num {
    font-family: var(--f-display);
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--c-accent);
    display: block;
}

.hero__stat-label {
    font-size: 0.75rem;
    color: var(--c-text-3);
    font-family: var(--f-mono);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* Scroll indicator */
.hero__scroll {
    position: fixed;
    bottom: var(--sp-8);
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sp-2);
    color: var(--c-text-3);
    font-family: var(--f-mono);
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    animation: fadeInDown 1s 1.5s both;
}

.hero__scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--c-accent), transparent);
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0%   { opacity: 1; transform: scaleY(1) translateY(0); }
    100% { opacity: 0; transform: scaleY(1) translateY(20px); }
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateX(-50%) translateY(-20px); }
    to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ══════════════════════════════════════════════════════════════════
   SECCIÓN 2: SERVICIOS
   ══════════════════════════════════════════════════════════════════ */
.servicios {
    padding: var(--sp-32) 0;
    position: relative;
}

.servicios__header {
    text-align: center;
    margin-bottom: var(--sp-16);
}

.section-title {
    font-family: var(--f-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--c-text);
    margin-bottom: var(--sp-4);
    line-height: 1.15;
}

.section-desc {
    color: var(--c-text-2);
    font-size: 1rem;
    max-width: 560px;
    margin: 0 auto;
}

.servicios__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--sp-6);
}

.service-card {
    position: relative;
    padding: var(--sp-8);
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--r-lg);
    overflow: hidden;
    cursor: default;
    transition: transform var(--t-normal), border-color var(--t-normal), box-shadow var(--t-normal);
    transform-style: preserve-3d;
}

.service-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--c-accent-glow), transparent 60%);
    opacity: 0;
    transition: opacity var(--t-normal);
    border-radius: inherit;
}

.service-card:hover {
    transform: translateY(-6px) rotateX(2deg);
    border-color: var(--c-border-hover);
    box-shadow: 0 24px 48px rgba(0,0,0,0.4), 0 0 0 1px var(--c-accent-glow);
}

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

.service-card__icon {
    width: 52px;
    height: 52px;
    border-radius: var(--r-md);
    background: var(--c-surface-2);
    border: 1px solid var(--c-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: var(--sp-5);
    transition: background var(--t-normal), border-color var(--t-normal);
}

.service-card:hover .service-card__icon {
    background: var(--c-accent-glow);
    border-color: var(--c-accent);
}

.service-card__num {
    position: absolute;
    top: var(--sp-6);
    right: var(--sp-6);
    font-family: var(--f-mono);
    font-size: 0.65rem;
    color: var(--c-text-3);
    letter-spacing: 0.1em;
}

.service-card__title {
    font-family: var(--f-display);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--c-text);
    margin-bottom: var(--sp-3);
}

.service-card__desc {
    font-size: 0.9rem;
    color: var(--c-text-2);
    line-height: 1.65;
    margin-bottom: var(--sp-5);
}

.service-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-2);
}

.tag {
    padding: var(--sp-1) var(--sp-3);
    background: var(--c-surface-2);
    border: 1px solid var(--c-border);
    border-radius: var(--r-full);
    font-family: var(--f-mono);
    font-size: 0.68rem;
    color: var(--c-text-3);
    letter-spacing: 0.05em;
}

/* ══════════════════════════════════════════════════════════════════
   SECCIÓN 3: INFRAESTRUCTURA SAAS (Parallax 1)
   ══════════════════════════════════════════════════════════════════ */
.infraestructura {
    padding: var(--sp-32) 0;
    position: relative;
    overflow: hidden;
}

.infra__parallax-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    background: linear-gradient(180deg, transparent, var(--c-bg-2) 20%, var(--c-bg-2) 80%, transparent);
}

.infra__parallax-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(99,179,237,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99,179,237,0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    transform: translateY(var(--parallax-offset, 0));
    will-change: transform;
}

.infraestructura__inner {
    position: relative;
    z-index: 1;
}

.infra__layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-16);
    align-items: center;
}

.infra__text .section-title {
    text-align: left;
}

.infra__list {
    margin-top: var(--sp-8);
    display: flex;
    flex-direction: column;
    gap: var(--sp-4);
}

.infra__item {
    display: flex;
    align-items: center;
    gap: var(--sp-4);
    padding: var(--sp-4) var(--sp-5);
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--r-md);
    transition: border-color var(--t-normal), transform var(--t-normal);
}

.infra__item:hover {
    border-color: var(--c-border-hover);
    transform: translateX(6px);
}

.infra__item-icon {
    font-size: 1.3rem;
    min-width: 36px;
    text-align: center;
}

.infra__item-name {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--c-text);
}

.infra__item-desc {
    font-size: 0.8rem;
    color: var(--c-text-3);
}

.infra__item-status {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: var(--f-mono);
    font-size: 0.65rem;
    color: var(--c-green);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.status-dot {
    width: 6px;
    height: 6px;
    background: var(--c-green);
    border-radius: 50%;
    box-shadow: 0 0 6px var(--c-green);
    animation: pulse 2s ease-in-out infinite;
}

/* ── Snake Border Effect en App Cards ─────────────────────────────
   Técnica: @property CSS Houdini + conic-gradient rotante.
   El --angle se anima, creando una línea gruesa que recorre el borde.
   ─────────────────────────────────────────────────────────────────── */
@property --snake-angle {
    syntax: '<angle>';
    initial-value: 0deg;
    inherits: false;
}

@keyframes snakeSpin {
    from { --snake-angle: 0deg; }
    to   { --snake-angle: 360deg; }
}

.app-card {
    position: relative;
    padding: var(--sp-6);
    /* Fondo interno sobre el pseudo-elemento del borde */
    background: transparent;
    border: none;
    border-radius: var(--r-lg);
    overflow: hidden;
    transition: transform var(--t-normal);
    isolation: isolate;
    z-index: 0;
}

/* Capa de fondo real (debajo del snake) */
.app-card__inner-bg {
    position: absolute;
    inset: 1.5px;
    background: var(--c-bg-2);
    border-radius: calc(var(--r-lg) - 1.5px);
    z-index: 1;
}

/* Borde base — siempre visible */
.app-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1.5px;
    background: var(--c-border);
    -webkit-mask:
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    z-index: 2;
}

/* Snake — línea gruesa que recorre el borde */
.app-card::after {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: calc(var(--r-lg) + 1px);
    background: conic-gradient(
        from var(--snake-angle),
        transparent 0deg,
        transparent 220deg,
        var(--c-accent) 260deg,
        var(--c-violet) 310deg,
        transparent 360deg
    );
    animation: snakeSpin 3s linear infinite;
    animation-play-state: paused;
    z-index: 0;
    opacity: 0;
    transition: opacity 0.4s ease;
}

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

.app-card:hover::after {
    animation-play-state: running;
    opacity: 1;
}

/* Contenido sobre los pseudo-elementos */
.app-card > *:not(.app-card__inner-bg) {
    position: relative;
    z-index: 3;
}

.app-card__badge {
    position: absolute;
    top: var(--sp-4);
    right: var(--sp-4);
    padding: 2px var(--sp-2);
    background: rgba(56, 189, 109, 0.15);
    border: 1px solid rgba(56, 189, 109, 0.3);
    border-radius: var(--r-full);
    font-family: var(--f-mono);
    font-size: 0.6rem;
    color: var(--c-green);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    z-index: 4;
}

.app-card__emoji {
    font-size: 2rem;
    margin-bottom: var(--sp-3);
    display: block;
}

.app-card__name {
    font-family: var(--f-display);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--c-text);
    margin-bottom: var(--sp-2);
}

.app-card__type {
    font-family: var(--f-mono);
    font-size: 0.65rem;
    color: var(--c-accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Grid de apps SaaS */
.infra__apps {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--sp-4);
}



/* ══════════════════════════════════════════════════════════════════
   SECCIÓN 4: CLIENTES (Parallax 2 — Slider horizontal)
   ══════════════════════════════════════════════════════════════════ */
.clientes {
    padding: var(--sp-32) 0;
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, transparent, var(--c-bg-3) 30%, var(--c-bg-3) 70%, transparent);
}

.clientes__header {
    text-align: center;
    margin-bottom: var(--sp-16);
}

/* Testimoniales */
.testimonios__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-6);
    margin-bottom: var(--sp-16);
}

.testimonio-card {
    padding: var(--sp-8);
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--r-lg);
    position: relative;
    transition: transform var(--t-normal), border-color var(--t-normal);
}

.testimonio-card:hover {
    transform: translateY(-4px);
    border-color: var(--c-border-hover);
}

.testimonio-card__stars {
    color: #f59e0b;
    font-size: 0.8rem;
    margin-bottom: var(--sp-4);
    letter-spacing: 2px;
}

.testimonio-card__quote {
    font-size: 0.9rem;
    color: var(--c-text-2);
    line-height: 1.7;
    margin-bottom: var(--sp-5);
    font-style: italic;
}

.testimonio-card__quote::before {
    content: '"';
    font-family: var(--f-display);
    font-size: 3rem;
    line-height: 0;
    vertical-align: -0.4em;
    color: var(--c-accent);
    opacity: 0.4;
    margin-right: var(--sp-1);
}

.testimonio-card__autor {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
}

.autor-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--c-accent), var(--c-violet));
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--f-display);
    font-size: 0.9rem;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
}

.autor-name {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--c-text);
}

.autor-empresa {
    font-size: 0.75rem;
    color: var(--c-text-3);
}

/* Slider de logos — Parallax horizontal */
.logos-track-wrap {
    overflow: hidden;
    mask-image: linear-gradient(90deg, transparent, black 15%, black 85%, transparent);
    -webkit-mask-image: linear-gradient(90deg, transparent, black 15%, black 85%, transparent);
}

.logos-track {
    display: flex;
    gap: var(--sp-8);
    animation: logoScroll 25s linear infinite;
}

.logos-track:hover { animation-play-state: paused; }

.logos-track--reverse {
    animation-direction: reverse;
    margin-top: var(--sp-5);
}

@keyframes logoScroll {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
}

.client-logo {
    flex-shrink: 0;
    padding: var(--sp-4) var(--sp-8);
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--r-md);
    font-family: var(--f-display);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--c-text-3);
    white-space: nowrap;
    letter-spacing: 0.05em;
    transition: color var(--t-fast), border-color var(--t-fast);
}

.client-logo:hover {
    color: var(--c-accent);
    border-color: var(--c-border-hover);
}

/* ══════════════════════════════════════════════════════════════════
   SECCIÓN 5: CONTACTO
   ══════════════════════════════════════════════════════════════════ */
.contacto {
    padding: var(--sp-32) 0;
    position: relative;
}

.contacto__inner {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--sp-16);
    align-items: start;
}

.contacto__info h2 {
    font-family: var(--f-display);
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: var(--sp-5);
}

.contacto__info p {
    color: var(--c-text-2);
    margin-bottom: var(--sp-8);
    line-height: 1.7;
}

.contacto__datos {
    display: flex;
    flex-direction: column;
    gap: var(--sp-4);
}

.contacto__dato {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    font-size: 0.9rem;
    color: var(--c-text-2);
}

.contacto__dato-icon {
    width: 40px;
    height: 40px;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--r-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.contacto__dato a {
    color: var(--c-accent);
    transition: color var(--t-fast);
}
.contacto__dato a:hover { color: var(--c-text); }

/* Formulario */
.contacto__form-wrap {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--r-xl);
    padding: var(--sp-10);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-4);
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
}

.form-field.full { grid-column: 1 / -1; }

.form-field label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--c-text-2);
    letter-spacing: 0.03em;
}

.form-field input,
.form-field textarea,
.form-field select {
    padding: var(--sp-3) var(--sp-4);
    background: var(--c-bg);
    border: 1px solid var(--c-border);
    border-radius: var(--r-md);
    color: var(--c-text);
    font-family: var(--f-body);
    font-size: 0.9rem;
    outline: none;
    transition: border-color var(--t-fast), box-shadow var(--t-fast);
    appearance: none;
    -webkit-appearance: none;
}

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
    border-color: var(--c-accent);
    box-shadow: 0 0 0 3px var(--c-accent-glow);
}

.form-field input::placeholder,
.form-field textarea::placeholder {
    color: var(--c-text-3);
}

.form-field textarea {
    height: 140px;
    resize: vertical;
}

.form-field select option {
    background: var(--c-bg-2);
}

.form-submit-btn {
    width: 100%;
    margin-top: var(--sp-4);
    padding: var(--sp-4) var(--sp-8);
    background: linear-gradient(135deg, var(--c-accent), var(--c-violet));
    color: #fff;
    font-family: var(--f-display);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    border: none;
    border-radius: var(--r-full);
    cursor: pointer;
    transition: opacity var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-3);
}

.form-submit-btn:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 16px 40px var(--c-accent-glow);
}

.form-submit-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Notificaciones form */
.form-notice {
    margin-top: var(--sp-4);
    padding: var(--sp-3) var(--sp-5);
    border-radius: var(--r-md);
    font-size: 0.875rem;
    display: none;
    align-items: center;
    gap: var(--sp-3);
}

.form-notice.success {
    display: flex;
    background: rgba(56, 189, 109, 0.1);
    border: 1px solid rgba(56, 189, 109, 0.3);
    color: var(--c-green);
}

.form-notice.error {
    display: flex;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #f87171;
}

/* ══════════════════════════════════════════════════════════════════
   SECCIÓN BIOGRAFÍA (inline con el hero extended)
   ══════════════════════════════════════════════════════════════════ */
.biografia {
    padding: var(--sp-32) 0;
    overflow: hidden;
}

.bio__slider-wrap {
    position: relative;
    overflow: hidden;
    border-radius: var(--r-xl);
    height: 75vh;
    min-height: 480px;
    max-height: 700px;
}

.bio__slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.8s cubic-bezier(0.4,0,0.2,1);
}

.bio__slide.active { opacity: 1; }

.bio__slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
}

.bio__slide-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(3,7,18,0.85) 30%, transparent 70%),
                linear-gradient(to top, rgba(3,7,18,0.6) 0%, transparent 50%);
}

.bio__slide-content {
    position: absolute;
    bottom: var(--sp-12);
    left: var(--sp-12);
    max-width: 420px;
}

.bio__slide-num {
    font-family: var(--f-mono);
    font-size: 0.65rem;
    color: var(--c-accent);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: var(--sp-3);
}

.bio__slide-title {
    font-family: var(--f-display);
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--c-text);
    margin-bottom: var(--sp-3);
    line-height: 1.2;
}

.bio__slide-desc {
    font-size: 0.9rem;
    color: var(--c-text-2);
    line-height: 1.6;
}

.bio__nav {
    position: absolute;
    bottom: var(--sp-8);
    right: var(--sp-8);
    display: flex;
    gap: var(--sp-3);
    z-index: 2;
}

.bio__nav-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--c-text-3);
    border: none;
    cursor: pointer;
    transition: background var(--t-fast), transform var(--t-fast);
}

.bio__nav-dot.active {
    background: var(--c-accent);
    transform: scale(1.4);
    box-shadow: 0 0 8px var(--c-accent);
}

.bio__controls {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    right: var(--sp-6);
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
    z-index: 2;
}

.bio__btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: var(--glass-blur);
    color: var(--c-text);
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--t-fast), border-color var(--t-fast);
}

.bio__btn:hover {
    background: var(--c-accent-glow);
    border-color: var(--c-accent);
}

/* ══════════════════════════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════════════════════════ */
.footer {
    padding: var(--sp-20) 0 var(--sp-8);
    border-top: 1px solid var(--c-border);
    position: relative;
}

.footer__top {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: var(--sp-8);
    margin-bottom: var(--sp-16);
}

.footer__brand-name {
    font-family: var(--f-display);
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--c-text);
    margin-bottom: var(--sp-4);
}

.footer__brand-name span { color: var(--c-accent); }

.footer__brand-desc {
    color: var(--c-text-3);
    font-size: 0.875rem;
    line-height: 1.6;
    margin-bottom: var(--sp-5);
}

.footer__social {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-3);
}

.social-icon {
    width: 38px;
    height: 38px;
    border-radius: var(--r-md);
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    color: var(--c-text-3);
    transition: color var(--t-fast), border-color var(--t-fast), background var(--t-fast);
}

.social-icon:hover {
    color: var(--c-accent);
    border-color: var(--c-border-hover);
    background: var(--c-accent-glow);
}

.footer__col-title {
    font-family: var(--f-mono);
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--c-text-3);
    margin-bottom: var(--sp-5);
}

.footer__links {
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
}

.footer__links a {
    font-size: 0.875rem;
    color: var(--c-text-2);
    transition: color var(--t-fast);
    display: flex;
    align-items: center;
    gap: var(--sp-2);
}

.footer__links a:hover {
    color: var(--c-accent);
}

.footer__links a::before {
    content: '→';
    font-size: 0.7rem;
    color: var(--c-text-3);
    transition: color var(--t-fast);
}

.footer__links a:hover::before {
    color: var(--c-accent);
}

.footer__bottom {
    padding-top: var(--sp-8);
    border-top: 1px solid var(--c-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--sp-4);
}

.footer__copy {
    font-size: 0.8rem;
    color: var(--c-text-3);
    font-family: var(--f-mono);
}

.footer__copy span { color: var(--c-accent); }

.footer__status {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    font-family: var(--f-mono);
    font-size: 0.7rem;
    color: var(--c-text-3);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

/* ══════════════════════════════════════════════════════════════════
   BOTÓN FLOTANTE WHATSAPP
   ══════════════════════════════════════════════════════════════════ */
.whatsapp-float {
    position: fixed;
    bottom: var(--sp-8);
    right: var(--sp-8);
    width: 56px;
    height: 56px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
    z-index: 500;
    transition: transform var(--t-fast), box-shadow var(--t-fast);
    animation: bounceIn 1s 2s both;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 32px rgba(37, 211, 102, 0.6);
}

@keyframes bounceIn {
    from { transform: scale(0) rotate(-180deg); opacity: 0; }
    to   { transform: scale(1) rotate(0); opacity: 1; }
}

/* ══════════════════════════════════════════════════════════════════
   DIVISOR DECORATIVO
   ══════════════════════════════════════════════════════════════════ */
.divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--c-border) 30%, var(--c-border) 70%, transparent);
    margin: var(--sp-4) 0;
}

/* ══════════════════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
    .hero__inner {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero__content { max-width: 100%; }
    .hero__desc { margin-left: auto; margin-right: auto; }
    .hero__actions { justify-content: center; }
    .hero__photo-wrap { display: none; }

    .infra__layout { grid-template-columns: 1fr; }
    .testimonios__grid { grid-template-columns: 1fr; }
    .footer__top { grid-template-columns: 1fr 1fr; }
    .contacto__inner { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .nav__links { display: none; }
    .nav__cta { display: none; }
    .nav__toggle { display: flex; }

    .nav__links.open {
        display: flex;
        flex-direction: column;
        position: fixed;
        inset: 0;
        background: var(--c-bg);
        padding: var(--sp-20) var(--sp-8);
        gap: var(--sp-6);
        z-index: 999;
        animation: fadeIn 0.3s ease;
    }

    @keyframes fadeIn {
        from { opacity: 0; }
        to   { opacity: 1; }
    }

    .nav__links.open .nav__link {
        font-size: 1.5rem;
        font-family: var(--f-display);
    }

    .servicios__grid { grid-template-columns: 1fr; }
    .infra__apps { grid-template-columns: 1fr; }
    .footer__top { grid-template-columns: 1fr; }
    .form-grid { grid-template-columns: 1fr; }
    .hero__stats { flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
    .hero__title { font-size: 2.2rem; }
    .section-title { font-size: 1.8rem; }
}

/* ── Utilidades ──────────────────────────────────────────────────── */
.text-accent { color: var(--c-accent); }
.text-violet { color: var(--c-violet); }
.text-muted  { color: var(--c-text-3); }
.text-center { text-align: center; }
.mt-4  { margin-top: var(--sp-4); }
.mb-12 { margin-bottom: var(--sp-12); }