/* ===================== GLOBAL ===================== */
:root {
    --primary:   #0B1F4D;
    --secondary: #0D6EFD;
    --accent:    #00C2FF;
    --success:   #28A745;
    --purple:    #6F42C1;
    --light:     #F8F9FA;
    --dark:      #081225;
    --gray-soft: #EEF2F7;
}

*, *::before, *::after { box-sizing: border-box; }

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    color: #1a1a2e;
    scroll-behavior: smooth;
    overflow-x: hidden;
}

/* ===================== NAVBAR ===================== */
.navbar-freepy {
    background: rgba(8, 18, 37, 0.97);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 194, 255, 0.15);
    padding: 0.75rem 0;
    transition: box-shadow 0.3s;
}
.navbar-freepy.scrolled { box-shadow: 0 4px 24px rgba(0,0,0,0.4); }

.navbar-brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}
.brand-icon {
    width: 40px; height: 40px;
    background: linear-gradient(135deg, var(--secondary), var(--accent));
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    color: #fff;
    font-size: 1.25rem;
    flex-shrink: 0;
}
.brand-text {
    font-weight: 700;
    font-size: 1.35rem;
    color: #fff;
    letter-spacing: -0.3px;
}
.brand-text span { color: var(--accent); }

.brand-badges {
    display: flex; gap: 4px; flex-wrap: wrap;
}
.brand-badge {
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.6px;
    padding: 2px 6px;
    border-radius: 4px;
    border: 1px solid rgba(0,194,255,0.4);
    color: var(--accent);
    text-transform: uppercase;
}

.nav-link-freepy {
    color: rgba(255,255,255,0.78) !important;
    font-weight: 500;
    font-size: 0.9rem;
    padding: 0.4rem 0.85rem !important;
    border-radius: 6px;
    transition: color 0.2s, background 0.2s;
}
.nav-link-freepy:hover {
    color: #fff !important;
    background: rgba(0,194,255,0.1);
}
.btn-nav-cta {
    background: linear-gradient(90deg, var(--secondary), var(--accent));
    border: none;
    color: #fff !important;
    font-weight: 600;
    padding: 0.4rem 1.1rem !important;
    border-radius: 8px;
    font-size: 0.88rem;
    transition: opacity 0.2s, transform 0.2s;
}
.btn-nav-cta:hover { opacity: 0.88; transform: translateY(-1px); }

/* ===================== HERO ===================== */
#hero {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--dark) 0%, #0d1b3e 45%, #0a2a5c 100%);
    position: relative;
    overflow: hidden;
    display: flex; align-items: center;
    padding-top: 80px;
}

/* animated grid overlay */
#hero::before {
    content: '';
    position: absolute; inset: 0;
    background-image:
    linear-gradient(rgba(0,194,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,194,255,0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

/* glowing blobs */
.hero-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.25;
    pointer-events: none;
}
.blob-1 { width: 520px; height: 520px; background: var(--secondary); top: -120px; right: -80px; }
.blob-2 { width: 380px; height: 380px; background: var(--accent);   bottom: -60px; left: 60px; }
.blob-3 { width: 280px; height: 280px; background: var(--purple);   top: 40%;  left: 38%; }

.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(0,194,255,0.12);
    border: 1px solid rgba(0,194,255,0.35);
    color: var(--accent);
    font-size: 0.82rem; font-weight: 600; letter-spacing: 0.5px;
    padding: 6px 14px; border-radius: 50px;
    margin-bottom: 1.5rem;
}
.hero-badge .dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--accent);
    animation: pulse-dot 1.8s infinite;
}
@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: 0.5; transform: scale(1.4); }
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.6rem);
    font-weight: 800;
    line-height: 1.12;
    color: #fff;
    margin-bottom: 1.25rem;
}
.hero-title .highlight {
    background: linear-gradient(90deg, var(--secondary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-sub {
    font-size: 1.08rem;
    color: rgba(255,255,255,0.72);
    line-height: 1.75;
    max-width: 520px;
    margin-bottom: 2rem;
}

.btn-hero-primary {
    background: linear-gradient(90deg, var(--secondary), var(--accent));
    border: none; color: #fff;
    padding: 0.85rem 2rem; border-radius: 10px;
    font-weight: 700; font-size: 1rem;
    transition: transform 0.25s, box-shadow 0.25s;
    box-shadow: 0 6px 24px rgba(13,110,253,0.4);
}
.btn-hero-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 32px rgba(0,194,255,0.45);
    color: #fff;
}
.btn-hero-secondary {
    background: transparent;
    border: 2px solid rgba(255,255,255,0.3);
    color: #fff;
    padding: 0.85rem 2rem; border-radius: 10px;
    font-weight: 600; font-size: 1rem;
    transition: border-color 0.25s, background 0.25s;
}
.btn-hero-secondary:hover {
    border-color: var(--accent);
    background: rgba(0,194,255,0.08);
    color: #fff;
}

/* mockup card */
.hero-mockup {
    position: relative;
    z-index: 2;
}
.mockup-card {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 20px;
    backdrop-filter: blur(16px);
    padding: 2rem;
    position: relative;
    overflow: hidden;
}
.mockup-card::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg, var(--secondary), var(--accent), var(--purple));
}
.mockup-screen {
    background: rgba(8,18,37,0.85);
    border-radius: 12px;
    padding: 1.25rem;
    border: 1px solid rgba(0,194,255,0.2);
    margin-bottom: 1rem;
}
.mockup-header {
    display: flex; gap: 6px; margin-bottom: 1rem;
}
.mockup-dot {
    width: 10px; height: 10px; border-radius: 50%;
}
.mockup-chat-bubble {
    border-radius: 12px;
    padding: 0.6rem 0.9rem;
    margin-bottom: 0.5rem;
    font-size: 0.8rem;
    max-width: 85%;
}
.bubble-bot {
    background: rgba(13,110,253,0.2);
    border: 1px solid rgba(13,110,253,0.3);
    color: #a8d4ff;
}
.bubble-user {
    background: rgba(0,194,255,0.15);
    border: 1px solid rgba(0,194,255,0.25);
    color: #b0ecff;
    margin-left: auto;
}
.mockup-input {
    background: rgba(255,255,255,0.07);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 8px;
    padding: 0.55rem 0.9rem;
    display: flex; align-items: center; justify-content: space-between;
    margin-top: 0.75rem;
}
.mockup-input span { font-size: 0.75rem; color: rgba(255,255,255,0.4); }
.mockup-send { color: var(--accent); font-size: 1rem; }

.mockup-stats {
    display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem;
}
.stat-chip {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 10px;
    padding: 0.6rem 0.8rem;
    text-align: center;
}
.stat-chip .stat-val { font-size: 1.1rem; font-weight: 700; color: var(--accent); }
.stat-chip .stat-label { font-size: 0.68rem; color: rgba(255,255,255,0.5); }

/* ===================== SECTION HELPERS ===================== */
.section-title {
    font-size: clamp(1.6rem, 3.5vw, 2.4rem);
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 0.6rem;
}
.section-title .accent { color: var(--secondary); }
.section-sub {
    color: #5a6a88;
    font-size: 1.05rem;
    max-width: 580px;
    margin: 0 auto 3rem;
}
.section-line {
    width: 60px; height: 4px;
    background: linear-gradient(90deg, var(--secondary), var(--accent));
    border-radius: 4px;
    margin: 0.75rem auto 0;
}

/* ===================== BENEFITS ===================== */
#beneficios { background: var(--light); }

.benefit-card {
    background: #fff;
    border: 1px solid rgba(13,110,253,0.1);
    border-radius: 18px;
    padding: 2rem 1.75rem;
    height: 100%;
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
    position: relative;
    overflow: hidden;
}
.benefit-card::before {
    content: '';
    position: absolute; bottom: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg, var(--secondary), var(--accent));
    transform: scaleX(0);
    transition: transform 0.3s;
    transform-origin: left;
}
.benefit-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(13,110,253,0.12);
    border-color: rgba(13,110,253,0.25);
}
.benefit-card:hover::before { transform: scaleX(1); }

.benefit-icon {
    width: 56px; height: 56px;
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.25rem;
}
.benefit-card h5 { font-weight: 700; font-size: 1.05rem; margin-bottom: 0.5rem; }
.benefit-card p  { font-size: 0.9rem; color: #6b7a99; margin: 0; line-height: 1.65; }

/* ===================== QUÉ ES ===================== */
#que-es { background: #fff; }

.feature-list li {
    display: flex; align-items: flex-start; gap: 12px;
    margin-bottom: 1.1rem;
    font-size: 0.97rem;
}
.feature-list li .fi-icon {
    width: 32px; height: 32px; flex-shrink: 0;
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.9rem;
}

.info-visual {
    background: linear-gradient(135deg, var(--primary), #1a3a6e);
    border-radius: 20px;
    padding: 2.5rem;
    color: #fff;
    position: relative;
    overflow: hidden;
}
.info-visual::before {
    content: '';
    position: absolute; inset: 0;
    background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 30px 30px;
}
.privacy-tag {
    display: inline-flex; align-items: center; gap: 6px;
    background: rgba(0,194,255,0.15);
    border: 1px solid rgba(0,194,255,0.3);
    color: var(--accent);
    font-size: 0.82rem; font-weight: 600;
    padding: 5px 12px; border-radius: 50px;
    margin-bottom: 0.6rem;
}

/* ===================== SE ENTRENA CON ===================== */
#entrena { background: var(--gray-soft); }

.train-card {
    background: #fff;
    border-radius: 18px;
    padding: 2.25rem 1.75rem;
    text-align: center;
    height: 100%;
    border: 1px solid rgba(13,110,253,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}
.train-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 14px 36px rgba(13,110,253,0.11);
}
.train-icon {
    width: 70px; height: 70px;
    border-radius: 20px;
    display: flex; align-items: center; justify-content: center;
    font-size: 2rem;
    margin: 0 auto 1.25rem;
}
.train-card h5 { font-weight: 700; margin-bottom: 0.5rem; }
.train-card p  { font-size: 0.9rem; color: #6b7a99; margin: 0; }

/* ===================== VERSIONES ===================== */
#versiones { background: var(--primary); }

.version-card {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 20px;
    padding: 2.25rem 1.75rem;
    height: 100%;
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
    position: relative;
    overflow: hidden;
}
.version-card.featured {
    background: rgba(13,110,253,0.18);
    border-color: rgba(13,110,253,0.45);
}
.version-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.4);
    border-color: rgba(0,194,255,0.4);
}
.version-badge {
    position: absolute; top: 1.25rem; right: 1.25rem;
    font-size: 0.7rem; font-weight: 700;
    padding: 3px 10px; border-radius: 50px;
}
.version-icon-wrap {
    width: 64px; height: 64px;
    border-radius: 18px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 1.25rem;
}
.version-card h4 { font-weight: 800; color: #fff; font-size: 1.2rem; margin-bottom: 0.3rem; }
.version-card .version-desc { font-size: 0.88rem; color: rgba(255,255,255,0.55); margin-bottom: 1.25rem; }
.version-features { list-style: none; padding: 0; margin: 0; }
.version-features li {
    font-size: 0.88rem; color: rgba(255,255,255,0.8);
    padding: 0.45rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.07);
    display: flex; align-items: center; gap: 8px;
}
.version-features li:last-child { border-bottom: none; }
.version-features li i { color: var(--accent); flex-shrink: 0; }

/* ===================== CASOS DE USO ===================== */
#casos { background: #fff; }

.caso-card {
    background: var(--light);
    border: 1px solid rgba(13,110,253,0.08);
    border-radius: 16px;
    padding: 1.75rem 1.25rem;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s, background 0.3s;
    cursor: default;
}
.caso-card:hover {
    background: linear-gradient(135deg, var(--secondary), #0a56c0);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(13,110,253,0.28);
}
.caso-card:hover .caso-icon,
.caso-card:hover h6,
.caso-card:hover p { color: #fff !important; }
.caso-card:hover { border-color: transparent; }

.caso-icon { font-size: 2rem; color: var(--secondary); margin-bottom: 0.75rem; transition: color 0.3s; }
.caso-card h6 { font-weight: 700; font-size: 0.95rem; margin-bottom: 0.35rem; transition: color 0.3s; }
.caso-card p  { font-size: 0.82rem; color: #6b7a99; margin: 0; transition: color 0.3s; }

/* ===================== POR QUÉ ELEGIRNOS ===================== */
#por-que { background: var(--gray-soft); }

.why-item {
    display: flex; align-items: flex-start; gap: 1rem;
    background: #fff;
    border: 1px solid rgba(13,110,253,0.08);
    border-radius: 14px;
    padding: 1.35rem 1.25rem;
    transition: transform 0.25s, box-shadow 0.25s;
}
.why-item:hover {
    transform: translateX(4px);
    box-shadow: 0 8px 24px rgba(13,110,253,0.1);
}
.why-icon-wrap {
    width: 48px; height: 48px; flex-shrink: 0;
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem;
}
.why-item h6 { font-weight: 700; margin-bottom: 0.2rem; font-size: 0.98rem; }
.why-item p  { font-size: 0.86rem; color: #6b7a99; margin: 0; }

/* ===================== CTA BANNER ===================== */
#cta-banner {
    background: linear-gradient(135deg, var(--primary), #0e3a80);
    position: relative; overflow: hidden;
}
#cta-banner::before {
    content: '';
    position: absolute; inset: 0;
    background-image:
    linear-gradient(rgba(0,194,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,194,255,0.05) 1px, transparent 1px);
    background-size: 50px 50px;
}
.cta-blob-1 { position: absolute; width: 400px; height: 400px; border-radius: 50%; background: var(--secondary); filter: blur(100px); opacity: 0.18; top: -100px; right: -60px; }
.cta-blob-2 { position: absolute; width: 300px; height: 300px; border-radius: 50%; background: var(--accent);   filter: blur(80px);  opacity: 0.14; bottom: -80px; left: 20px; }

/* ===================== FOOTER ===================== */
footer {
    background: var(--dark);
    border-top: 1px solid rgba(255,255,255,0.07);
}
.footer-logo { font-size: 1.4rem; font-weight: 800; color: #fff; }
.footer-logo span { color: var(--accent); }
.footer-tagline { font-size: 0.85rem; color: rgba(255,255,255,0.5); margin-top: 0.3rem; }

.footer-link {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
    display: block;
    margin-bottom: 0.5rem;
}
.footer-link:hover { color: var(--accent); }

.contact-chip {
    display: flex; align-items: center; gap: 10px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 10px;
    padding: 0.75rem 1rem;
    margin-bottom: 0.75rem;
    transition: border-color 0.2s;
}
.contact-chip:hover { border-color: rgba(0,194,255,0.4); }
.contact-chip i { color: var(--accent); font-size: 1.1rem; }
.contact-chip a {
    color: rgba(255,255,255,0.85);
    text-decoration: none; font-size: 0.9rem;
}
.contact-chip a:hover { color: var(--accent); }

.footer-divider { border-color: rgba(255,255,255,0.08); }

.footer-bottom {
    font-size: 0.82rem;
    color: rgba(255,255,255,0.4);
}

/* ===================== SCROLL TO TOP ===================== */
#scrollTop {
    position: fixed; bottom: 28px; right: 28px; z-index: 999;
    width: 44px; height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--secondary), var(--accent));
    color: #fff; border: none;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem;
    box-shadow: 0 4px 18px rgba(13,110,253,0.4);
    opacity: 0; transform: translateY(16px);
    transition: opacity 0.3s, transform 0.3s;
    pointer-events: none;
}
#scrollTop.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
#scrollTop:hover { filter: brightness(1.12); }

/* ===================== UTILITIES ===================== */
.rounded-xl { border-radius: 1.25rem !important; }
section { padding: 6rem 0; }
@media (max-width: 768px) {
    section { padding: 4rem 0; }
    .hero-title { font-size: 2rem; }
    .hero-sub { font-size: 0.95rem; }
}