/* BearSoft / SmartDecisions — light corporate theme.
 * Data-driven portal (content in js/content.json). Same palette as demo/. */

:root {
    --bg:              #ffffff;
    --bg-alt:          #f7f3ea;
    --panel:           #ffffff;
    --panel-elevated:  #faf6ec;
    --border:          #e3dccc;
    --border-strong:   #cbbfa3;
    --text:            #0d1e4c;
    --text-strong:     #07142e;
    --muted:           #5e6580;
    --accent:          #0d1e4c;
    --accent-strong:   #07142e;
    --accent-2:        #7a4a2a;
    --accent-2-strong: #5a3618;
    --accent-3:        #c4a378;
    --success:         #2d7d46;
    --danger:          #c0392b;
    --radius:          14px;
    --radius-sm:       8px;
    --max-width:       1140px;
    --font:            'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    --shadow-lg:       0 10px 40px rgba(13, 30, 76, 0.12);
    --shadow-sm:       0 2px 8px rgba(13, 30, 76, 0.06);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; font-weight: 600; }
a:hover { color: var(--accent-2); }
img { max-width: 100%; }

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}
.accent { color: var(--accent-2); }

/* ============ Header / Nav ============ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: saturate(140%) blur(10px);
    border-bottom: 1px solid var(--border);
}
.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.9rem 1.5rem;
    gap: 1rem;
}
.brand {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-weight: 800;
    color: var(--text);
    text-decoration: none;
}
.brand-mark {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--accent);
    background: #ffffff;
}
.brand-text { font-size: 1.2rem; letter-spacing: -0.01em; }

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.4rem;
}
.nav-links a:not(.btn) {
    color: var(--muted);
    font-size: 0.95rem;
    font-weight: 600;
}
.nav-links a:not(.btn):hover { color: var(--accent); }

/* ============ Buttons ============ */
.btn {
    display: inline-block;
    padding: 0.85rem 1.5rem;
    border-radius: 10px;
    font-weight: 700;
    font-size: 0.95rem;
    border: 1.5px solid transparent;
    cursor: pointer;
    transition: transform 0.15s ease, background 0.2s ease,
                border-color 0.2s ease, color 0.2s ease;
    font-family: inherit;
    text-decoration: none;
}
.btn-primary {
    background: var(--accent);
    color: #ffffff;
    border-color: var(--accent);
}
.btn-primary:hover {
    background: var(--accent-strong);
    color: #ffffff;
    transform: translateY(-1px);
}
.btn-ghost {
    background: transparent;
    color: var(--accent);
    border-color: var(--border-strong);
}
.btn-ghost:hover {
    border-color: var(--accent);
    background: var(--bg-alt);
}
.btn-small { padding: 0.55rem 1rem; font-size: 0.88rem; }

/* ============ Hero ============ */
.hero {
    position: relative;
    overflow: hidden;
    padding: 5rem 0 4rem;
    background:
        radial-gradient(ellipse at top left, rgba(122, 74, 42, 0.08), transparent 50%),
        radial-gradient(ellipse at bottom right, rgba(13, 30, 76, 0.06), transparent 55%),
        var(--bg);
}
/* Header animation (particles.js) sitting behind the hero content */
#particles-js {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.hero .container { position: relative; z-index: 1; }
.hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3rem;
    align-items: center;
}
.eyebrow {
    color: var(--accent-2);
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.78rem;
    margin: 0 0 1rem;
    font-weight: 700;
}
.hero h1 {
    font-size: clamp(2rem, 4vw, 3.1rem);
    line-height: 1.15;
    margin: 0 0 0.6rem;
    letter-spacing: -0.02em;
    color: var(--text-strong);
}
.brand-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent-2);
    margin: 0 0 0.8rem;
}
.hero h2 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--muted);
    margin: 0 0 1.8rem;
    max-width: 540px;
    line-height: 1.5;
}
.hero-visual {
    position: relative;
    min-height: 320px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.bear-card {
    position: relative;
    background: linear-gradient(160deg, #ffffff, #f7f3ea);
    border: 1px solid var(--border);
    border-radius: 22px;
    padding: 2rem 1.8rem;
    text-align: center;
    max-width: 320px;
    box-shadow: var(--shadow-lg);
}
.bear-icon {
    width: 100%;
    max-width: 240px;
    height: auto;
    margin: 0 auto 1rem;
    display: block;
    border-radius: 16px;
    object-fit: contain;
    background: #ffffff;
}
.bear-tagline { margin: 0; color: var(--muted); font-size: 1rem; }
.bear-tagline strong { color: var(--accent); }

/* ============ Sections ============ */
.section { padding: 4.5rem 0; background: var(--bg); }
.section-alt {
    background: var(--bg-alt);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.section h2 {
    font-size: clamp(1.6rem, 2.4vw, 2.1rem);
    margin: 0 0 1rem;
    letter-spacing: -0.015em;
    color: var(--text-strong);
}
.section-lead {
    color: var(--muted);
    font-size: 1.05rem;
    max-width: 720px;
    margin: 0 0 2rem;
}

/* ============ About ============ */
.about-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 3rem;
    align-items: center;
}
.about-image img {
    width: 100%;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    object-fit: cover;
}
.about-content p { color: var(--muted); }

/* Icon lists (about points, product features) */
.icon-list {
    list-style: none;
    padding: 0;
    margin: 1.4rem 0;
    display: grid;
    gap: 0.9rem;
}
.icon-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
    color: var(--text);
    font-size: 0.98rem;
}
.icon-list li i {
    color: var(--accent-2);
    font-size: 1.1rem;
    margin-top: 0.2rem;
    flex-shrink: 0;
}
.icon-list li span { color: var(--muted); }

/* ============ Cards (expertise + pillars) ============ */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.2rem;
    margin-top: 2rem;
}
.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.8rem;
    transition: transform 0.15s ease, border-color 0.2s ease, box-shadow 0.2s ease;
    box-shadow: var(--shadow-sm);
}
.card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-2);
    box-shadow: var(--shadow-lg);
}
.card .card-icon {
    font-size: 2.4rem;
    color: var(--accent);
    margin-bottom: 1rem;
    display: block;
}
.card h3 { margin: 0 0 0.5rem; font-size: 1.2rem; color: var(--text-strong); }
.card p { margin: 0 0 0.6rem; color: var(--muted); font-size: 0.95rem; }
.card .tech-list {
    font-size: 0.85rem;
    color: var(--accent-2-strong);
    background: var(--panel-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.5rem 0.7rem;
    margin: 0.8rem 0 0;
}

/* ============ Product (ml-app) ============ */
.ml-app-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3rem;
    align-items: center;
}
.ml-app-content p { color: var(--muted); }
.ml-app-image img {
    width: 100%;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    object-fit: cover;
}

/* ============ Formula ============ */
.formula {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.8rem;
    padding: 1.6rem 1.8rem;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: clamp(1rem, 1.8vw, 1.3rem);
    font-weight: 700;
    color: var(--text);
    box-shadow: var(--shadow-sm);
    margin-bottom: 0.5rem;
}
.formula-op { color: var(--accent-2); font-size: 1.4em; font-weight: 800; }

.section-note {
    color: var(--muted);
    font-size: 0.95rem;
    max-width: 720px;
    margin: 1rem 0 0;
}
.subhead {
    font-size: 1.3rem;
    color: var(--text-strong);
    margin: 2.6rem 0 0.4rem;
    letter-spacing: -0.01em;
}

/* Steps (cómo funciona en 3 pasos) */
.steps {
    list-style: none;
    padding: 0;
    margin: 1.6rem 0 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.2rem;
}
.steps li {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.6rem;
    box-shadow: var(--shadow-sm);
}
.step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--accent);
    color: #ffffff;
    font-weight: 800;
    margin-bottom: 0.8rem;
}
.steps h3 { margin: 0 0 0.4rem; font-size: 1.05rem; color: var(--text-strong); }
.steps p { margin: 0; color: var(--muted); font-size: 0.95rem; }

.smartdecisions-cta { margin-top: 2.4rem; }

/* ============ Services ============ */
.services-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.2rem;
    list-style: none;
    padding: 0;
    margin-top: 2rem;
}
.services-list li {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.4rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    box-shadow: var(--shadow-sm);
    transition: transform 0.15s ease, box-shadow 0.2s ease;
}
.services-list li:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}
.services-list li i {
    font-size: 1.5rem;
    color: var(--accent-2);
    flex-shrink: 0;
    margin-top: 0.2rem;
}
.services-list li span { font-size: 0.98rem; color: var(--text); }

/* ============ Contact ============ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}
.contact-grid p { color: var(--muted); }
.contact-form {
    display: grid;
    gap: 0.9rem;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.8rem;
    box-shadow: var(--shadow-sm);
}
.contact-form label {
    display: grid;
    gap: 0.35rem;
    font-size: 0.9rem;
    color: var(--muted);
    font-weight: 600;
}
.contact-form input,
.contact-form textarea {
    background: var(--bg);
    border: 1px solid var(--border-strong);
    color: var(--text);
    padding: 0.7rem 0.9rem;
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.95rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(13, 30, 76, 0.10);
}
.contact-form textarea { resize: vertical; min-height: 120px; }

.social-links {
    margin-top: 1.6rem;
    display: flex;
    gap: 1.2rem;
}
.social-links a {
    color: var(--accent);
    font-size: 1.8rem;
    transition: color 0.2s ease, transform 0.15s ease;
}
.social-links a:hover { color: var(--accent-2); transform: translateY(-2px); }
.social-links a.whatsapp-icon:hover { color: var(--success); }

/* ============ Footer ============ */
.site-footer {
    border-top: 1px solid var(--border);
    padding: 2rem 0;
    background: var(--bg);
}
.footer-grid {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}
.muted { color: var(--muted); font-size: 0.9rem; margin: 0.2rem 0 0; }
.muted strong { color: var(--accent); }

/* ============ Responsive ============ */
@media (max-width: 900px) {
    .hero-grid,
    .about-grid,
    .ml-app-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .about-image { order: -1; }
    .ml-app-image { order: -1; }
    .hero-visual { min-height: 260px; }
    .nav-links { gap: 0.9rem; }
    .nav-links a:not(.btn) { display: none; }
}

@media (max-width: 480px) {
    .section { padding: 3rem 0; }
    .hero { padding: 3.5rem 0 3rem; }
    .card, .services-list li, .contact-form { padding: 1.3rem; }
}