/* Tu Caja Segura — Premium UI
   Paleta basada en branding original TCS:
   - Azul primario: #046CF3
   - Azul navy:     #1451A1
   - Azul claro:    #3391D2
   - Acento naranja:#F5A623
   - Texto:         #1F2937
   - Fondo:         #FFFFFF / #F9FAFB
*/

:root {
    --primary: #046CF3;
    --primary-dark: #1451A1;
    --primary-darker: #0A2540;
    --primary-light: #3391D2;
    --primary-bg: #EFF6FF;
    --accent: #F5A623;
    --accent-dark: #E89414;
    --accent-light: #FEF3E0;
    --text: #1F2937;
    --text-soft: #4B5563;
    --text-muted: #9CA3AF;
    --border: #E5E7EB;
    --bg: #FFFFFF;
    --bg-soft: #F9FAFB;
    --bg-dark: #0F172A;
    --success: #10B981;
    --error: #EF4444;
    --radius: 14px;
    --radius-sm: 8px;
    --radius-lg: 24px;
    --shadow-sm: 0 1px 2px rgba(15,23,42,.06);
    --shadow: 0 4px 12px rgba(15,23,42,.08);
    --shadow-md: 0 8px 24px rgba(15,23,42,.10);
    --shadow-lg: 0 20px 40px rgba(15,23,42,.12);
    --container: 1200px;
    --font-display: 'Cormorant Garamond', 'Times New Roman', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --t: 220ms cubic-bezier(.22,1,.36,1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
*::selection { background: var(--primary); color: #fff; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.65;
    color: var(--text);
    background: var(--bg);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary-dark); text-decoration: none; transition: color var(--t); }
a:hover { color: var(--primary); }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
@media (max-width: 768px) { .container { padding: 0 18px; } }

/* TYPOGRAPHY */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.15; color: var(--primary-darker); }
h1 { font-size: clamp(2.2rem, 4.5vw, 3.6rem); letter-spacing: -.02em; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); letter-spacing: -.01em; }
h3 { font-size: clamp(1.3rem, 2.2vw, 1.55rem); }
h4 { font-size: 1.15rem; font-weight: 600; }
.eyebrow { display: inline-block; font-family: var(--font-body); font-size: .75rem; font-weight: 700; letter-spacing: 2.5px; text-transform: uppercase; color: var(--primary); padding: 6px 14px; background: var(--primary-bg); border-radius: 50px; margin-bottom: 16px; }

/* HEADER / NAV */
.site-header { position: sticky; top: 0; z-index: 80; background: rgba(255,255,255,.92); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); }
.nav { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; }
.brand { display: flex; align-items: center; gap: 12px; font-family: var(--font-display); font-size: 1.5rem; font-weight: 600; color: var(--primary-darker); }
.brand-mark { width: 42px; height: 42px; border-radius: 12px; background: linear-gradient(135deg, var(--primary), var(--primary-dark)); display: grid; place-items: center; color: #fff; font-weight: 700; font-family: var(--font-body); font-size: .95rem; letter-spacing: 1px; box-shadow: 0 6px 14px rgba(4,108,243,.25); }
.brand-mark::before { content: 'TCS'; }
.brand-text { font-weight: 600; }
.brand-text small { display: block; font-family: var(--font-body); font-size: .68rem; font-weight: 500; color: var(--text-soft); letter-spacing: 1.5px; text-transform: uppercase; margin-top: -2px; }

.nav-list { display: flex; align-items: center; gap: 6px; list-style: none; }
.nav-list a { padding: 10px 14px; font-size: .92rem; font-weight: 500; color: var(--text); border-radius: 8px; transition: background var(--t), color var(--t); }
.nav-list a:hover { background: var(--bg-soft); color: var(--primary); }
.nav-list a.active { color: var(--primary); background: var(--primary-bg); }

.nav-cta { display: flex; align-items: center; gap: 10px; }

.btn { display: inline-flex; align-items: center; gap: 8px; padding: 11px 20px; font-family: var(--font-body); font-size: .9rem; font-weight: 600; border-radius: 10px; border: 1px solid transparent; cursor: pointer; transition: all var(--t); text-decoration: none; white-space: nowrap; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 12px rgba(4,108,243,.25); }
.btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-1px); box-shadow: 0 6px 18px rgba(4,108,243,.35); }
.btn-ghost { color: var(--primary); background: transparent; border-color: var(--primary); }
.btn-ghost:hover { background: var(--primary); color: #fff; }
.btn-accent { background: var(--accent); color: #fff; box-shadow: 0 4px 12px rgba(245,166,35,.25); }
.btn-accent:hover { background: var(--accent-dark); transform: translateY(-1px); }
.btn-white { background: #fff; color: var(--primary-darker); }
.btn-white:hover { background: var(--bg-soft); }
.btn-lg { padding: 14px 26px; font-size: 1rem; }

.nav-toggle { display: none; background: none; border: none; padding: 8px; cursor: pointer; color: var(--text); }
@media (max-width: 992px) {
    .nav-toggle { display: inline-flex; }
    .nav-menu { position: fixed; inset: 0; background: #fff; transform: translateX(100%); transition: transform var(--t); padding: 80px 24px 32px; flex-direction: column; align-items: stretch; gap: 20px; }
    .nav-menu.open { transform: translateX(0); }
    .nav-list { flex-direction: column; align-items: stretch; gap: 4px; }
    .nav-list a { padding: 14px 16px; font-size: 1rem; }
    .nav-cta { flex-direction: column; align-items: stretch; gap: 12px; margin-top: 12px; padding-top: 24px; border-top: 1px solid var(--border); }
    .nav-cta .btn { justify-content: center; padding: 14px 20px; }
    .nav-close { position: absolute; top: 18px; right: 18px; }
}

/* HERO */
.hero { position: relative; padding: clamp(60px, 9vw, 110px) 0 clamp(60px, 8vw, 90px); background: linear-gradient(160deg, #EFF6FF 0%, #FFFFFF 55%, #FEF3E0 130%); overflow: hidden; }
.hero::before { content: ''; position: absolute; top: -10%; right: -10%; width: 60vw; height: 60vw; max-width: 900px; max-height: 900px; background: radial-gradient(circle, rgba(4,108,243,.10) 0%, transparent 60%); pointer-events: none; }
.hero::after { content: ''; position: absolute; bottom: -20%; left: -10%; width: 40vw; height: 40vw; background: radial-gradient(circle, rgba(245,166,35,.07) 0%, transparent 60%); pointer-events: none; }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.1fr 1fr; gap: 60px; align-items: center; }
@media (max-width: 992px) { .hero-grid { grid-template-columns: 1fr; gap: 40px; } }
.hero-copy h1 { margin-bottom: 22px; }
.hero-copy h1 span { background: linear-gradient(120deg, var(--primary) 0%, var(--primary-dark) 80%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero-copy .lead { font-size: clamp(1.05rem, 1.6vw, 1.2rem); color: var(--text-soft); line-height: 1.65; margin-bottom: 32px; max-width: 580px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-trust { margin-top: 36px; display: flex; gap: 28px; flex-wrap: wrap; }
.hero-trust .item { display: flex; align-items: center; gap: 10px; font-size: .88rem; color: var(--text-soft); }
.hero-trust .item svg { color: var(--success); flex-shrink: 0; }
.hero-visual { position: relative; }
.hero-img-wrap { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); transform: rotate(-2deg); transition: transform .6s var(--t); }
.hero-img-wrap:hover { transform: rotate(0deg) scale(1.02); }
.hero-img-wrap img { width: 100%; aspect-ratio: 4/5; object-fit: cover; }
.hero-badge { position: absolute; background: #fff; padding: 14px 18px; border-radius: 14px; box-shadow: var(--shadow-md); display: flex; align-items: center; gap: 12px; font-weight: 600; font-size: .88rem; color: var(--primary-darker); }
.hero-badge.b1 { top: -14px; right: -10px; }
.hero-badge.b2 { bottom: -14px; left: -10px; background: var(--primary-darker); color: #fff; }
.hero-badge .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--success); animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.4); opacity: .5; } }

/* SECTIONS */
section { padding: clamp(60px, 8vw, 100px) 0; }
.section-soft { background: var(--bg-soft); }
.section-dark { background: var(--bg-dark); color: #E5E7EB; }
.section-dark h1, .section-dark h2, .section-dark h3, .section-dark h4 { color: #fff; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 64px; }
.section-head h2 { margin-bottom: 14px; }
.section-head p { color: var(--text-soft); font-size: 1.05rem; }
.section-head.left { text-align: left; margin: 0 0 50px; }

/* METRICAS / STATS */
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; max-width: 960px; margin: 0 auto; }
@media (max-width: 768px) { .metrics { grid-template-columns: repeat(2, 1fr); gap: 16px; } }
.metric { text-align: center; padding: 32px 20px; background: #fff; border-radius: var(--radius); border: 1px solid var(--border); transition: all var(--t); }
.metric:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: transparent; }
.metric-value { font-family: var(--font-display); font-size: clamp(2rem, 4vw, 2.6rem); font-weight: 600; color: var(--primary); line-height: 1; margin-bottom: 6px; }
.metric-value small { font-size: .55em; font-weight: 500; color: var(--text-soft); margin-left: 4px; }
.metric-label { font-size: .82rem; color: var(--text-soft); font-weight: 500; }

/* SERVICIOS CARDS */
.services-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
@media (max-width: 768px) { .services-grid { grid-template-columns: 1fr; gap: 20px; } }
.service-card { display: grid; grid-template-columns: 200px 1fr; background: #fff; border-radius: var(--radius); border: 1px solid var(--border); overflow: hidden; transition: all var(--t); }
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--primary-light); }
.service-card .img { position: relative; overflow: hidden; background: var(--bg-soft); }
.service-card .img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--t); }
.service-card:hover .img img { transform: scale(1.05); }
.service-card .body { padding: 26px 28px; display: flex; flex-direction: column; justify-content: center; }
.service-card .head { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.service-card .ico { width: 38px; height: 38px; border-radius: 10px; background: var(--primary-bg); color: var(--primary); display: grid; place-items: center; flex-shrink: 0; }
.service-card h3 { color: var(--primary-darker); margin: 0; }
.service-card .subtitle { font-size: .82rem; color: var(--accent-dark); font-weight: 600; text-transform: uppercase; letter-spacing: 1.2px; margin-bottom: 12px; }
.service-card p { color: var(--text-soft); font-size: .95rem; margin-bottom: 16px; }
.service-card .link { display: inline-flex; align-items: center; gap: 6px; font-size: .9rem; font-weight: 600; color: var(--primary); }
.service-card .link svg { transition: transform var(--t); }
.service-card:hover .link svg { transform: translateX(4px); }
@media (max-width: 768px) { .service-card { grid-template-columns: 1fr; } .service-card .img { aspect-ratio: 16/10; } }

/* COMO FUNCIONA / STEPS */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
@media (max-width: 992px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .steps { grid-template-columns: 1fr; } }
.step { position: relative; padding: 36px 24px 28px; background: #fff; border-radius: var(--radius); border: 1px solid var(--border); }
.step::before { counter-increment: step; content: counter(step, decimal-leading-zero); position: absolute; top: -16px; left: 24px; padding: 6px 14px; background: var(--primary); color: #fff; border-radius: 50px; font-size: .8rem; font-weight: 700; letter-spacing: 1.5px; box-shadow: 0 4px 10px rgba(4,108,243,.25); }
.step h4 { color: var(--primary-darker); margin: 8px 0 10px; }
.step p { color: var(--text-soft); font-size: .92rem; }

/* CTA SECTION */
.cta-banner { background: linear-gradient(135deg, var(--primary-darker) 0%, var(--primary-dark) 100%); color: #fff; border-radius: var(--radius-lg); padding: clamp(40px, 6vw, 64px); position: relative; overflow: hidden; }
.cta-banner::before { content: ''; position: absolute; top: -50%; right: -10%; width: 60%; height: 200%; background: radial-gradient(circle, rgba(245,166,35,.2) 0%, transparent 60%); pointer-events: none; }
.cta-banner-grid { position: relative; display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: center; }
@media (max-width: 768px) { .cta-banner-grid { grid-template-columns: 1fr; gap: 24px; } }
.cta-banner h2 { color: #fff; margin-bottom: 12px; }
.cta-banner p { color: rgba(255,255,255,.85); margin-bottom: 0; font-size: 1.05rem; }
.cta-banner-actions { display: flex; gap: 12px; justify-content: flex-end; flex-wrap: wrap; }
@media (max-width: 768px) { .cta-banner-actions { justify-content: stretch; } .cta-banner-actions .btn { flex: 1; min-width: 140px; justify-content: center; } }

/* FAQ */
.faq { max-width: 800px; margin: 0 auto; }
.faq details { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-sm); margin-bottom: 12px; padding: 0; overflow: hidden; transition: all var(--t); }
.faq details[open] { border-color: var(--primary-light); box-shadow: var(--shadow-sm); }
.faq summary { padding: 22px 24px; cursor: pointer; font-weight: 600; color: var(--primary-darker); list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; font-size: 1.4rem; font-weight: 300; color: var(--primary); transition: transform var(--t); flex-shrink: 0; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq .answer { padding: 0 24px 24px; color: var(--text-soft); line-height: 1.7; }

/* FOOTER */
.site-footer { background: var(--bg-dark); color: #94A3B8; padding: 64px 0 28px; margin-top: 60px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,.08); }
@media (max-width: 992px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; } }
@media (max-width: 600px) { .footer-grid { grid-template-columns: 1fr; gap: 32px; } }
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.footer-brand .brand-text { color: #fff; }
.footer-brand .brand-text small { color: #94A3B8; }
.footer-col h4 { color: #fff; font-family: var(--font-body); font-size: .85rem; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 18px; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; font-size: .92rem; }
.footer-col a { color: #94A3B8; transition: color var(--t); }
.footer-col a:hover { color: #fff; }
.footer-about p { font-size: .92rem; line-height: 1.7; margin-bottom: 18px; }
.footer-contact { font-size: .92rem; line-height: 1.7; }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 12px; }
.footer-contact svg { color: var(--primary-light); flex-shrink: 0; margin-top: 3px; }
.footer-bottom { padding-top: 28px; display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; align-items: center; font-size: .82rem; }
.footer-bottom a { color: #94A3B8; }
.social-links { display: flex; gap: 10px; }
.social-links a { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 8px; background: rgba(255,255,255,.06); color: #94A3B8; transition: all var(--t); }
.social-links a:hover { background: var(--primary); color: #fff; }

/* WhatsApp floating */
.wa-float { position: fixed; bottom: 24px; right: 24px; z-index: 70; display: grid; place-items: center; width: 58px; height: 58px; border-radius: 50%; background: #25D366; color: #fff; box-shadow: 0 8px 24px rgba(37,211,102,.45); transition: all var(--t); }
.wa-float:hover { transform: translateY(-3px); box-shadow: 0 12px 30px rgba(37,211,102,.55); color: #fff; }
.wa-float::before { content: ''; position: absolute; inset: -4px; border-radius: 50%; border: 2px solid #25D366; opacity: 0; animation: wa-ring 2.5s ease-out infinite; }
@keyframes wa-ring { 0% { opacity: 1; transform: scale(.9); } 100% { opacity: 0; transform: scale(1.5); } }
@media (max-width: 600px) { .wa-float { width: 52px; height: 52px; bottom: 18px; right: 18px; } }

/* CONTACT FORM */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: start; }
@media (max-width: 992px) { .contact-grid { grid-template-columns: 1fr; gap: 36px; } }
.contact-card { background: #fff; padding: 36px; border-radius: var(--radius); border: 1px solid var(--border); }
.contact-info ul { list-style: none; }
.contact-info li { display: flex; gap: 16px; align-items: flex-start; padding: 18px 0; border-bottom: 1px solid var(--border); }
.contact-info li:last-child { border: none; }
.contact-info .ico { flex-shrink: 0; width: 44px; height: 44px; border-radius: 12px; background: var(--primary-bg); color: var(--primary); display: grid; place-items: center; }
.contact-info h4 { color: var(--primary-darker); margin-bottom: 4px; }
.contact-info p, .contact-info a { color: var(--text-soft); font-size: .95rem; line-height: 1.5; }
.contact-info a:hover { color: var(--primary); }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: .85rem; font-weight: 600; color: var(--text); margin-bottom: 8px; }
.form-control { width: 100%; padding: 12px 16px; font: inherit; font-size: .95rem; color: var(--text); background: #fff; border: 1.5px solid var(--border); border-radius: var(--radius-sm); transition: border-color var(--t), box-shadow var(--t); }
.form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 4px rgba(4,108,243,.12); }
textarea.form-control { resize: vertical; min-height: 120px; }
.form-message { padding: 14px 18px; border-radius: var(--radius-sm); margin-bottom: 20px; font-size: .92rem; }
.form-message.ok { background: #ECFDF5; color: #065F46; border: 1px solid #A7F3D0; }
.form-message.err { background: #FEF2F2; color: #991B1B; border: 1px solid #FECACA; }

/* UTILS */
.text-center { text-align: center; }
.mt-1 { margin-top: 8px; } .mt-2 { margin-top: 16px; } .mt-3 { margin-top: 24px; } .mt-4 { margin-top: 32px; } .mt-5 { margin-top: 48px; }
.hidden-mobile { display: initial; }
@media (max-width: 768px) { .hidden-mobile { display: none; } }
.hidden-desktop { display: none; }
@media (max-width: 768px) { .hidden-desktop { display: initial; } }

/* ANIMATIONS */
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity .6s var(--t), transform .6s var(--t); }
.fade-in.visible { opacity: 1; transform: translateY(0); }