/* ============================================================
   SYS CODI7 - Estilos Principales
   Paleta: Azul + Blanco Tecnológico
   ============================================================ */

:root {
    --blue-900: #0a1628;
    --blue-800: #0f2044;
    --blue-700: #1a3a6e;
    --blue-600: #1d4ed8;
    --blue-500: #2563eb;
    --blue-400: #3b82f6;
    --blue-300: #60a5fa;
    --blue-100: #dbeafe;
    --blue-50:  #eff6ff;
    --cyan:     #06b6d4;
    --cyan-light: #67e8f9;
    --white:    #ffffff;
    --gray-50:  #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-500: #64748b;
    --gray-700: #334155;
    --gray-900: #0f172a;
    --success:  #22c55e;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 20px rgba(37,99,235,0.12);
    --shadow-lg: 0 10px 40px rgba(37,99,235,0.18);
    --radius:   12px;
    --radius-lg: 20px;
    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    color: var(--gray-900);
    background: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ── NAVBAR ── */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(59,130,246,0.2);
    transition: all 0.3s ease;
}
.navbar.scrolled {
    background: rgba(10, 22, 40, 0.98);
    box-shadow: var(--shadow-md);
}
.nav-container {
    max-width: 1200px; margin: 0 auto;
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 2rem; height: 70px;
}
.nav-logo { display: flex; align-items: center; gap: 0.6rem; text-decoration: none; }
.logo-icon {
    width: 40px; height: 40px; border-radius: 8px;
    background: linear-gradient(135deg, var(--blue-500), var(--cyan));
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-display); font-weight: 700; font-size: 1rem;
    color: white;
}
.logo-text { display: flex; flex-direction: column; line-height: 1; }
.logo-sys { font-family: var(--font-display); font-size: 0.65rem; font-weight: 500; color: var(--blue-300); letter-spacing: 0.15em; }
.logo-codi { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; color: white; }

.nav-links { display: flex; list-style: none; gap: 0.2rem; }
.nav-links a {
    color: rgba(255,255,255,0.8); text-decoration: none;
    padding: 0.4rem 0.8rem; border-radius: 6px;
    font-size: 0.88rem; font-weight: 500;
    transition: all 0.2s;
}
.nav-links a:hover { color: white; background: rgba(59,130,246,0.2); }

.btn-whatsapp-nav {
    display: flex; align-items: center; gap: 0.5rem;
    background: var(--success); color: white;
    padding: 0.5rem 1.1rem; border-radius: 8px;
    text-decoration: none; font-size: 0.85rem; font-weight: 600;
    transition: all 0.2s;
}
.btn-whatsapp-nav:hover { background: #16a34a; transform: translateY(-1px); }

.nav-toggle {
    display: none; flex-direction: column; gap: 5px;
    background: none; border: none; cursor: pointer; padding: 4px;
}
.nav-toggle span {
    display: block; width: 24px; height: 2px;
    background: white; border-radius: 2px; transition: all 0.3s;
}

/* ── HERO ── */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--blue-900) 0%, var(--blue-800) 50%, #0f2a50 100%);
    display: flex; align-items: center;
    position: relative; overflow: hidden;
    padding-top: 70px;
}
.hero::before {
    content: ''; position: absolute; inset: 0;
    background: radial-gradient(ellipse at 70% 50%, rgba(37,99,235,0.25) 0%, transparent 60%),
                radial-gradient(ellipse at 20% 80%, rgba(6,182,212,0.15) 0%, transparent 50%);
}
.hero-grid {
    position: absolute; inset: 0; opacity: 0.04;
    background-image: linear-gradient(rgba(255,255,255,0.5) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255,255,255,0.5) 1px, transparent 1px);
    background-size: 50px 50px;
}
.hero-container {
    max-width: 1200px; margin: 0 auto; padding: 4rem 2rem;
    display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center;
    position: relative; z-index: 1;
}
.hero-badge {
    display: inline-flex; align-items: center; gap: 0.5rem;
    background: rgba(37,99,235,0.2); border: 1px solid rgba(59,130,246,0.3);
    color: var(--blue-300); padding: 0.35rem 0.9rem; border-radius: 50px;
    font-size: 0.8rem; font-weight: 500; margin-bottom: 1.5rem;
}
.hero-badge i { color: var(--cyan); }
.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 800; color: white; line-height: 1.15;
    margin-bottom: 1.2rem;
}
.hero h1 span { color: var(--cyan); }
.hero p {
    color: rgba(255,255,255,0.75); font-size: 1.05rem;
    line-height: 1.7; margin-bottom: 2rem;
}
.hero-btns { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn-primary {
    display: inline-flex; align-items: center; gap: 0.5rem;
    background: linear-gradient(135deg, var(--blue-500), var(--blue-600));
    color: white; padding: 0.85rem 1.8rem; border-radius: var(--radius);
    text-decoration: none; font-weight: 600; font-size: 0.95rem;
    box-shadow: 0 4px 20px rgba(37,99,235,0.4);
    transition: all 0.3s;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 28px rgba(37,99,235,0.5); }
.btn-secondary {
    display: inline-flex; align-items: center; gap: 0.5rem;
    border: 1.5px solid rgba(255,255,255,0.3); color: white;
    padding: 0.85rem 1.8rem; border-radius: var(--radius);
    text-decoration: none; font-weight: 600; font-size: 0.95rem;
    transition: all 0.3s;
}
.btn-secondary:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.5); }

.hero-stats {
    display: flex; gap: 2rem; margin-top: 2.5rem;
    padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.1);
}
.stat-item { text-align: center; }
.stat-num { font-family: var(--font-display); font-size: 1.8rem; font-weight: 800; color: var(--cyan); }
.stat-label { font-size: 0.78rem; color: rgba(255,255,255,0.6); }

.hero-visual { display: flex; justify-content: center; align-items: center; }
.hero-card {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(59,130,246,0.25);
    border-radius: var(--radius-lg);
    padding: 2rem; width: 100%; max-width: 400px;
    backdrop-filter: blur(10px);
}
.card-header {
    display: flex; align-items: center; gap: 0.8rem;
    margin-bottom: 1.5rem; padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.card-header .logo-icon { width: 36px; height: 36px; font-size: 0.85rem; }
.card-header span { color: white; font-weight: 600; font-size: 0.95rem; }
.card-url {
    background: rgba(6,182,212,0.1); border: 1px solid rgba(6,182,212,0.3);
    border-radius: 8px; padding: 0.8rem 1rem; margin-bottom: 0.6rem;
    display: flex; align-items: center; gap: 0.6rem;
}
.card-url i { color: var(--success); font-size: 0.85rem; }
.card-url span { color: var(--cyan-light); font-size: 0.82rem; font-family: monospace; }
.card-features {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 0.6rem; margin-top: 1.2rem;
}
.card-feature {
    display: flex; align-items: center; gap: 0.4rem;
    color: rgba(255,255,255,0.7); font-size: 0.78rem;
}
.card-feature i { color: var(--blue-400); font-size: 0.75rem; }

/* ── SECCIONES ── */
section { padding: 5rem 0; }
.section-container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }
.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-eyebrow {
    display: inline-block;
    color: var(--blue-500); font-size: 0.8rem; font-weight: 600;
    letter-spacing: 0.12em; text-transform: uppercase;
    margin-bottom: 0.6rem;
}
.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 700; color: var(--gray-900); margin-bottom: 0.8rem;
}
.section-title span { color: var(--blue-500); }
.section-desc { color: var(--gray-500); font-size: 1rem; max-width: 560px; margin: 0 auto; }

/* ── SERVICIOS ── */
.servicios { background: var(--gray-50); }
.servicios-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.servicio-card {
    background: white; border-radius: var(--radius-lg);
    padding: 2rem; border: 1px solid var(--gray-200);
    transition: all 0.3s; position: relative; overflow: hidden;
}
.servicio-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg, var(--blue-500), var(--cyan));
    transform: scaleX(0); transition: transform 0.3s;
}
.servicio-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--blue-100); }
.servicio-card:hover::before { transform: scaleX(1); }
.servicio-icon {
    width: 52px; height: 52px; border-radius: 12px;
    background: linear-gradient(135deg, var(--blue-50), var(--blue-100));
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 1.2rem; font-size: 1.3rem; color: var(--blue-500);
}
.servicio-card h3 { font-family: var(--font-display); font-size: 1rem; font-weight: 600; margin-bottom: 0.6rem; }
.servicio-card p { color: var(--gray-500); font-size: 0.88rem; line-height: 1.6; }

/* ── PLANES ── */
.planes-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; align-items: start; }
.plan-card {
    border-radius: var(--radius-lg); padding: 2rem;
    border: 2px solid var(--gray-200); background: white;
    transition: all 0.3s; position: relative;
}
.plan-card.destacado {
    border-color: var(--blue-500);
    background: linear-gradient(135deg, var(--blue-900), var(--blue-800));
    color: white; transform: scale(1.04);
    box-shadow: var(--shadow-lg);
}
.plan-badge {
    position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
    background: linear-gradient(135deg, var(--blue-500), var(--cyan));
    color: white; padding: 0.25rem 1rem; border-radius: 50px;
    font-size: 0.75rem; font-weight: 600; white-space: nowrap;
}
.plan-card h3 {
    font-family: var(--font-display); font-size: 1.2rem; font-weight: 700;
    margin-bottom: 0.5rem;
}
.plan-card.destacado h3 { color: white; }
.plan-precio {
    margin: 1.2rem 0;
    display: flex; align-items: baseline; gap: 0.3rem;
}
.plan-moneda { font-size: 1.2rem; font-weight: 600; color: var(--blue-500); }
.plan-card.destacado .plan-moneda { color: var(--cyan); }
.plan-num { font-family: var(--font-display); font-size: 3rem; font-weight: 800; color: var(--gray-900); line-height: 1; }
.plan-card.destacado .plan-num { color: white; }
.plan-periodo { font-size: 0.8rem; color: var(--gray-500); }
.plan-card.destacado .plan-periodo { color: rgba(255,255,255,0.6); }
.plan-features { list-style: none; margin: 1.5rem 0; display: flex; flex-direction: column; gap: 0.6rem; }
.plan-features li { display: flex; align-items: center; gap: 0.6rem; font-size: 0.88rem; color: var(--gray-700); }
.plan-card.destacado .plan-features li { color: rgba(255,255,255,0.85); }
.plan-features li i { color: var(--success); font-size: 0.8rem; flex-shrink: 0; }
.btn-plan {
    display: block; width: 100%; text-align: center;
    padding: 0.8rem; border-radius: var(--radius);
    font-weight: 600; font-size: 0.9rem; text-decoration: none;
    transition: all 0.2s;
}
.btn-plan-outline {
    border: 2px solid var(--blue-500); color: var(--blue-500);
}
.btn-plan-outline:hover { background: var(--blue-500); color: white; }
.btn-plan-solid {
    background: linear-gradient(135deg, var(--blue-400), var(--cyan));
    color: white;
}
.btn-plan-solid:hover { opacity: 0.9; transform: translateY(-1px); }

/* ── PORTAFOLIO ── */
.portafolio { background: var(--gray-50); }
.portafolio-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.5rem; }
.proyecto-card {
    background: white; border-radius: var(--radius-lg);
    overflow: hidden; border: 1px solid var(--gray-200);
    transition: all 0.3s;
}
.proyecto-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.proyecto-img {
    height: 160px;
    background: linear-gradient(135deg, var(--blue-800), var(--blue-600));
    display: flex; align-items: center; justify-content: center;
    font-size: 3rem; color: rgba(255,255,255,0.3);
    position: relative; overflow: hidden;
}
.proyecto-img img { width: 100%; height: 100%; object-fit: cover; }
.proyecto-tipo {
    position: absolute; top: 0.7rem; right: 0.7rem;
    background: rgba(0,0,0,0.5); color: white;
    padding: 0.2rem 0.6rem; border-radius: 20px; font-size: 0.72rem;
}
.proyecto-info { padding: 1.3rem; }
.proyecto-info h3 { font-family: var(--font-display); font-size: 0.98rem; font-weight: 600; margin-bottom: 0.4rem; }
.proyecto-info p { color: var(--gray-500); font-size: 0.82rem; margin-bottom: 0.8rem; line-height: 1.5; }
.proyecto-tech {
    display: inline-flex; align-items: center; gap: 0.3rem;
    background: var(--blue-50); color: var(--blue-600);
    padding: 0.2rem 0.6rem; border-radius: 20px; font-size: 0.75rem; font-weight: 500;
}

/* ── NOSOTROS ── */
.nosotros-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.nosotros-visual {
    background: linear-gradient(135deg, var(--blue-900), var(--blue-700));
    border-radius: var(--radius-lg); padding: 2.5rem;
    position: relative; overflow: hidden;
}
.nosotros-visual::before {
    content: '</>';
    position: absolute; bottom: -20px; right: -10px;
    font-family: var(--font-display); font-size: 8rem; font-weight: 900;
    color: rgba(255,255,255,0.05); line-height: 1;
}
.nos-stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.nos-stat {
    background: rgba(255,255,255,0.08); border-radius: var(--radius);
    padding: 1.3rem; text-align: center; border: 1px solid rgba(255,255,255,0.1);
}
.nos-stat .num { font-family: var(--font-display); font-size: 2rem; font-weight: 800; color: var(--cyan); }
.nos-stat .label { font-size: 0.78rem; color: rgba(255,255,255,0.65); margin-top: 0.3rem; }
.nosotros-content h2 { font-family: var(--font-display); font-size: 2rem; font-weight: 700; margin-bottom: 1rem; }
.nosotros-content p { color: var(--gray-500); margin-bottom: 1.5rem; line-height: 1.8; }
.nosotros-items { display: flex; flex-direction: column; gap: 1rem; }
.nos-item { display: flex; gap: 1rem; align-items: flex-start; }
.nos-icon {
    width: 40px; height: 40px; border-radius: 10px; flex-shrink: 0;
    background: var(--blue-50); display: flex; align-items: center; justify-content: center;
    color: var(--blue-500); font-size: 1rem;
}
.nos-item h4 { font-weight: 600; font-size: 0.95rem; margin-bottom: 0.2rem; }
.nos-item p { color: var(--gray-500); font-size: 0.85rem; }

/* ── TESTIMONIOS ── */
.testimonios { background: var(--blue-900); }
.testimonios .section-title { color: white; }
.testimonios .section-desc { color: rgba(255,255,255,0.6); }
.testimonios .section-eyebrow { color: var(--cyan); }
.testimonios-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.testimonio-card {
    background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg); padding: 1.8rem;
    transition: all 0.3s;
}
.testimonio-card:hover { background: rgba(255,255,255,0.08); transform: translateY(-3px); }
.estrellas { color: #fbbf24; font-size: 0.9rem; margin-bottom: 1rem; }
.testimonio-card p { color: rgba(255,255,255,0.8); font-size: 0.9rem; line-height: 1.7; margin-bottom: 1.2rem; font-style: italic; }
.testimonio-autor { display: flex; align-items: center; gap: 0.8rem; }
.autor-avatar {
    width: 40px; height: 40px; border-radius: 50%;
    background: linear-gradient(135deg, var(--blue-500), var(--cyan));
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; color: white; font-size: 0.9rem;
}
.autor-nombre { font-weight: 600; color: white; font-size: 0.88rem; }
.autor-cargo { color: rgba(255,255,255,0.5); font-size: 0.78rem; }

/* ── CONTACTO ── */
.contacto-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 3rem; }
.contacto-info h3 { font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; margin-bottom: 0.8rem; }
.contacto-info p { color: var(--gray-500); margin-bottom: 2rem; }
.contacto-items { display: flex; flex-direction: column; gap: 1.2rem; }
.contacto-item { display: flex; align-items: center; gap: 1rem; }
.c-icon {
    width: 44px; height: 44px; border-radius: 10px; flex-shrink: 0;
    background: var(--blue-50); display: flex; align-items: center; justify-content: center;
    color: var(--blue-500); font-size: 1rem;
}
.c-icon.green { background: #f0fdf4; color: var(--success); }
.c-label { font-size: 0.78rem; color: var(--gray-500); }
.c-value { font-weight: 600; font-size: 0.92rem; }
.btn-wa-big {
    display: flex; align-items: center; justify-content: center; gap: 0.7rem;
    background: var(--success); color: white;
    padding: 1rem 1.5rem; border-radius: var(--radius);
    text-decoration: none; font-weight: 700; font-size: 1rem;
    margin-top: 1.5rem; transition: all 0.2s;
}
.btn-wa-big:hover { background: #16a34a; transform: translateY(-2px); }

.form-card {
    background: white; border-radius: var(--radius-lg);
    padding: 2rem; border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
}
.form-card h3 { font-family: var(--font-display); font-weight: 700; margin-bottom: 1.5rem; }
.form-group { margin-bottom: 1.2rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 500; margin-bottom: 0.4rem; color: var(--gray-700); }
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%; padding: 0.75rem 1rem; border-radius: var(--radius);
    border: 1.5px solid var(--gray-200); font-family: var(--font-body); font-size: 0.9rem;
    transition: border-color 0.2s; background: var(--gray-50); color: var(--gray-900);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none; border-color: var(--blue-400);
    background: white; box-shadow: 0 0 0 3px rgba(59,130,246,0.1);
}
.form-group textarea { resize: vertical; min-height: 110px; }
.btn-submit {
    width: 100%; padding: 0.9rem; border-radius: var(--radius);
    background: linear-gradient(135deg, var(--blue-500), var(--blue-600));
    color: white; font-weight: 700; font-size: 0.95rem;
    border: none; cursor: pointer; transition: all 0.2s;
    display: flex; align-items: center; justify-content: center; gap: 0.5rem;
}
.btn-submit:hover { transform: translateY(-2px); box-shadow: 0 4px 20px rgba(37,99,235,0.4); }

/* ── FOOTER ── */
.footer { background: var(--blue-900); color: white; padding: 4rem 0 0; }
.footer-container {
    max-width: 1200px; margin: 0 auto; padding: 0 2rem;
    display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem;
    padding-bottom: 3rem;
}
.footer-brand p { color: rgba(255,255,255,0.55); font-size: 0.82rem; margin-top: 0.3rem; }
.footer-desc { margin-top: 0.8rem !important; line-height: 1.6; }
.footer-logo { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 0.5rem; }
.footer h4 { font-weight: 600; font-size: 0.9rem; margin-bottom: 1rem; color: rgba(255,255,255,0.9); }
.footer-links ul { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }
.footer-links a { color: rgba(255,255,255,0.55); text-decoration: none; font-size: 0.85rem; transition: color 0.2s; }
.footer-links a:hover { color: var(--cyan); }
.footer-contact ul { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }
.footer-contact li { display: flex; align-items: center; gap: 0.6rem; color: rgba(255,255,255,0.55); font-size: 0.85rem; }
.footer-contact i { color: var(--blue-400); width: 16px; }
.social-links { display: flex; gap: 0.7rem; flex-wrap: wrap; }
.social-btn {
    width: 38px; height: 38px; border-radius: 8px;
    background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.12);
    display: flex; align-items: center; justify-content: center;
    color: rgba(255,255,255,0.7); text-decoration: none; transition: all 0.2s;
}
.social-btn:hover { background: var(--blue-500); color: white; transform: translateY(-2px); }
.social-btn.whatsapp:hover { background: var(--success); }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 1.3rem 2rem;
    max-width: 1200px; margin: 0 auto;
    display: flex; align-items: center; justify-content: space-between;
}
.footer-bottom p { color: rgba(255,255,255,0.4); font-size: 0.82rem; }
.admin-link { color: rgba(255,255,255,0.2); font-size: 0.75rem; text-decoration: none; transition: color 0.2s; }
.admin-link:hover { color: rgba(255,255,255,0.5); }

/* ── WHATSAPP FLOAT ── */
.whatsapp-float {
    position: fixed; bottom: 2rem; right: 2rem; z-index: 999;
    width: 56px; height: 56px; border-radius: 50%;
    background: var(--success); color: white;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.6rem; text-decoration: none;
    box-shadow: 0 4px 20px rgba(34,197,94,0.4);
    transition: all 0.3s; animation: pulse-green 2s infinite;
}
.whatsapp-float:hover { transform: scale(1.1); }
@keyframes pulse-green {
    0%, 100% { box-shadow: 0 4px 20px rgba(34,197,94,0.4); }
    50% { box-shadow: 0 4px 30px rgba(34,197,94,0.7); }
}

/* ── ALERTAS ── */
.alert {
    padding: 0.9rem 1.2rem; border-radius: var(--radius);
    margin-bottom: 1rem; font-size: 0.88rem; font-weight: 500;
}
.alert-success { background: #f0fdf4; color: #166534; border: 1px solid #bbf7d0; }
.alert-error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
    .servicios-grid { grid-template-columns: repeat(2, 1fr); }
    .planes-grid { grid-template-columns: 1fr; }
    .plan-card.destacado { transform: none; }
    .testimonios-grid { grid-template-columns: 1fr; }
    .footer-container { grid-template-columns: 1fr 1fr; gap: 2rem; }
}
@media (max-width: 768px) {
    .nav-links, .btn-whatsapp-nav { display: none; }
    .nav-toggle { display: flex; }
    .nav-links.active {
        display: flex; flex-direction: column;
        position: absolute; top: 70px; left: 0; right: 0;
        background: var(--blue-900); padding: 1rem 2rem 2rem;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    .hero-container { grid-template-columns: 1fr; text-align: center; }
    .hero-visual { display: none; }
    .hero-btns { justify-content: center; }
    .hero-stats { justify-content: center; }
    .servicios-grid { grid-template-columns: 1fr; }
    .nosotros-grid { grid-template-columns: 1fr; }
    .contacto-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .footer-container { grid-template-columns: 1fr; gap: 1.5rem; }
    .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
}

/* ── FAQ ── */
.faq-section { background: var(--gray-50); }
.faq-grid { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 0.8rem; }
.faq-item { background: white; border-radius: var(--radius); border: 1px solid var(--gray-200); overflow: hidden; }
.faq-question {
    width: 100%; display: flex; align-items: center; justify-content: space-between;
    padding: 1.1rem 1.3rem; background: none; border: none; cursor: pointer;
    font-family: var(--font-body); font-size: 0.95rem; font-weight: 600;
    color: var(--gray-900); text-align: left; gap: 1rem; transition: background 0.2s;
}
.faq-question:hover { background: var(--gray-50); }
.faq-question i { color: var(--blue-500); font-size: 0.85rem; flex-shrink: 0; transition: transform 0.3s; }
.faq-question.open i { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.faq-answer.open { max-height: 300px; }
.faq-answer p { padding: 0 1.3rem 1.1rem; color: var(--gray-500); font-size: 0.9rem; line-height: 1.7; }

/* ── SCROLL TOP ── */
.scroll-top {
    position: fixed; bottom: 5.5rem; right: 2rem; z-index: 998;
    width: 44px; height: 44px; border-radius: 50%;
    background: var(--blue-500); color: white; border: none;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; opacity: 0; transform: translateY(10px);
    transition: all 0.3s; box-shadow: var(--shadow-md);
}
.scroll-top.visible { opacity: 1; transform: translateY(0); }
.scroll-top:hover { background: var(--blue-600); transform: translateY(-2px); }

/* ── COUNTER ── */
.counter { display: inline-block; }