/* ============================================================
   PÁGINAS INTELIGENTES — Sistema de Diseño
   Innova y Cree · Healthcare Premium Híbrido
   Paleta: amber signature + cyan trust + dark cinematográfico
   Tipografía: Figtree (heading) + Noto Sans (body) — Medical Clean
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Figtree:wght@400;500;600;700;800;900&family=Noto+Sans:wght@300;400;500;600;700&display=swap');

/* === RESET === */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
img, video { max-width: 100%; height: auto; display: block; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
input, textarea, select { font: inherit; }

/* === VARIABLES === */
:root {
    /* — Base dark cinematográfico — */
    --pi-dark:        #06080f;
    --pi-dark-2:      #0a0f1a;
    --pi-surface:     #0d1117;
    --pi-surface-2:   #161b22;
    --pi-surface-3:   #1c2333;
    --pi-border:      rgba(255,255,255,0.08);
    --pi-border-hover:rgba(255,255,255,0.16);

    /* — Trust healthcare cyan — */
    --pi-cyan:        #0891B2;
    --pi-cyan-light:  #22D3EE;
    --pi-cyan-dark:   #164E63;
    --pi-cyan-bg:     rgba(8,145,178,0.08);
    --pi-cyan-glow:   rgba(34,211,238,0.25);

    /* — Amber signature (Innova y Cree) — */
    --pi-amber:       #f59e0b;
    --pi-amber-light: #fbbf24;
    --pi-amber-dark:  #b45309;
    --pi-amber-bg:    rgba(245,158,11,0.10);
    --pi-amber-glow:  rgba(245,158,11,0.35);

    /* — Success / verde salud — */
    --pi-success:     #16A34A;
    --pi-success-light:#22C55E;
    --pi-success-bg:  rgba(22,163,74,0.12);

    /* — Text — */
    --pi-text:        #f1f5f9;
    --pi-text-muted:  #94a3b8;
    --pi-text-dim:    #64748b;

    /* — Spacing scale (rem) — */
    --pi-1:  0.25rem; --pi-2: 0.5rem;  --pi-3: 0.75rem; --pi-4: 1rem;
    --pi-5:  1.25rem; --pi-6: 1.5rem;  --pi-8: 2rem;    --pi-10: 2.5rem;
    --pi-12: 3rem;    --pi-16: 4rem;   --pi-20: 5rem;   --pi-24: 6rem;
    --pi-32: 8rem;

    /* — Typography — */
    --pi-font-h: 'Figtree', system-ui, -apple-system, sans-serif;
    --pi-font-b: 'Noto Sans', system-ui, -apple-system, sans-serif;

    /* — Radius — */
    --pi-r-sm: 8px;
    --pi-r:    14px;
    --pi-r-lg: 20px;
    --pi-r-xl: 28px;
    --pi-r-full: 999px;

    /* — Shadows — */
    --pi-sh-sm:    0 2px 8px rgba(0,0,0,0.4);
    --pi-sh:       0 8px 32px rgba(0,0,0,0.5);
    --pi-sh-lg:    0 24px 64px rgba(0,0,0,0.6);
    --pi-sh-amber: 0 8px 40px rgba(245,158,11,0.30);
    --pi-sh-cyan:  0 8px 40px rgba(8,145,178,0.30);

    /* — Transitions — */
    --pi-tr:       all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --pi-tr-fast:  all 0.18s cubic-bezier(0.4, 0, 0.2, 1);
    --pi-tr-slow:  all 0.6s cubic-bezier(0.4, 0, 0.2, 1);

    /* — Container — */
    --pi-container: 1240px;
}

/* === BASE === */
html { font-family: var(--pi-font-b); color: var(--pi-text); background: var(--pi-dark); }
body {
    font-family: var(--pi-font-b);
    font-size: 16px;
    line-height: 1.6;
    color: var(--pi-text);
    background: var(--pi-dark);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--pi-font-h);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--pi-text);
}
h1 { font-size: clamp(2.4rem, 5vw, 4.2rem); font-weight: 900; }
h2 { font-size: clamp(1.9rem, 3.6vw, 2.8rem); }
h3 { font-size: clamp(1.4rem, 2.4vw, 1.8rem); font-weight: 700; }
h4 { font-size: 1.18rem; font-weight: 700; }

p { color: var(--pi-text-muted); font-size: 1.05rem; line-height: 1.7; }
.lead { font-size: 1.22rem; line-height: 1.65; color: var(--pi-text); font-weight: 400; }

/* === LAYOUT === */
.pi-container {
    width: 100%;
    max-width: var(--pi-container);
    margin: 0 auto;
    padding: 0 var(--pi-6);
}
section { padding: var(--pi-24) 0; position: relative; scroll-margin-top: 88px; }
section.tight { padding: var(--pi-16) 0; }

/* === BACKGROUND ATMOSPHERE === */
.pi-bg-amber-glow {
    position: absolute; inset: 0; pointer-events: none; z-index: 0;
    background:
        radial-gradient(ellipse 600px 400px at 20% 30%, var(--pi-amber-bg), transparent 60%),
        radial-gradient(ellipse 800px 500px at 80% 70%, var(--pi-cyan-bg), transparent 60%);
}
.pi-bg-grid {
    position: absolute; inset: 0; pointer-events: none; z-index: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
}

/* === BUTTONS === */
.pi-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
    padding: 0.95rem 1.7rem;
    font-family: var(--pi-font-h);
    font-weight: 700;
    font-size: 1.02rem;
    border-radius: var(--pi-r-full);
    transition: var(--pi-tr);
    text-decoration: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}
.pi-btn-primary {
    background: linear-gradient(135deg, var(--pi-amber) 0%, var(--pi-amber-light) 100%);
    color: #1a1100;
    box-shadow: var(--pi-sh-amber);
}
.pi-btn-primary:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 16px 48px rgba(245,158,11,0.45);
}
.pi-btn-primary::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.4) 50%, transparent 70%);
    transform: translateX(-100%); transition: transform 0.6s;
}
.pi-btn-primary:hover::after { transform: translateX(100%); }

.pi-btn-secondary {
    background: rgba(8,145,178,0.12);
    color: var(--pi-cyan-light);
    border: 1.5px solid var(--pi-cyan);
}
.pi-btn-secondary:hover {
    background: var(--pi-cyan);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--pi-sh-cyan);
}

.pi-btn-ghost {
    background: transparent;
    color: var(--pi-text);
    border: 1.5px solid var(--pi-border-hover);
}
.pi-btn-ghost:hover {
    background: rgba(255,255,255,0.04);
    border-color: var(--pi-amber);
    color: var(--pi-amber);
}
.pi-btn-lg { padding: 1.2rem 2.2rem; font-size: 1.1rem; }
.pi-btn-block { width: 100%; }

/* Botón help — link secundario "Tengo dudas" debajo del CTA principal del tier */
.pi-btn-help {
    display: block;
    width: 100%;
    text-align: center;
    margin-top: var(--pi-3);
    padding: 0.5rem;
    color: var(--pi-text-dim);
    font-size: 0.82rem;
    font-weight: 500;
    transition: var(--pi-tr-fast);
    text-decoration: none;
}
.pi-btn-help:hover { color: var(--pi-cyan-light); text-decoration: underline; }
.pi-btn-help::before { content: '💬 '; }

/* === BADGES === */
.pi-badge {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.45rem 1rem;
    background: var(--pi-amber-bg);
    color: var(--pi-amber-light);
    border: 1px solid rgba(245,158,11,0.30);
    border-radius: var(--pi-r-full);
    font-size: 0.86rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}
.pi-badge-cyan { background: var(--pi-cyan-bg); color: var(--pi-cyan-light); border-color: rgba(8,145,178,0.30); }
.pi-badge-success { background: var(--pi-success-bg); color: var(--pi-success-light); border-color: rgba(22,163,74,0.30); }
.pi-badge-dot::before {
    content: ''; width: 8px; height: 8px; border-radius: 50%;
    background: currentColor; box-shadow: 0 0 12px currentColor;
    animation: pi-pulse 2s ease-in-out infinite;
}
@keyframes pi-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* === NAV === */
.pi-nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    padding: var(--pi-4) 0;
    background: rgba(6,8,15,0.7);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--pi-border);
    transition: var(--pi-tr);
}
.pi-nav-inner { display: flex; align-items: center; justify-content: space-between; }
.pi-nav-brand { display: flex; align-items: center; gap: var(--pi-3); transition: var(--pi-tr-fast); }
.pi-nav-brand:hover { opacity: 0.85; transform: translateX(-2px); }
.pi-nav-brand img { display: block; height: 38px; width: auto; }
.pi-nav-links { display: flex; align-items: center; gap: var(--pi-6); }
.pi-nav-links a { color: var(--pi-text-muted); font-size: 0.96rem; font-weight: 500; transition: var(--pi-tr-fast); }
.pi-nav-links a:hover { color: var(--pi-amber); }
.pi-nav-back {
    color: var(--pi-amber) !important;
    background: rgba(245,158,11,0.10);
    padding: 0.45rem 0.9rem;
    border-radius: var(--pi-r-full);
    border: 1px solid rgba(245,158,11,0.30);
    font-weight: 600 !important;
}
.pi-nav-back:hover { background: var(--pi-amber); color: #1a1100 !important; }
@media (max-width: 800px) { .pi-nav-links { display: none; } .pi-nav-cta { display: none; } }

/* === HERO === */
.pi-hero {
    position: relative;
    min-height: 100vh;
    padding: var(--pi-32) 0 var(--pi-16);
    display: flex; align-items: center;
    background: var(--pi-dark);
    overflow: hidden;
}
.pi-hero::before {
    content: ''; position: absolute; inset: 0; z-index: 0;
    background:
        radial-gradient(ellipse 1200px 800px at 50% 0%, var(--pi-amber-bg), transparent 70%),
        radial-gradient(ellipse 800px 600px at 0% 100%, var(--pi-cyan-bg), transparent 70%);
}
.pi-hero-grid {
    position: relative; z-index: 1;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--pi-12);
    align-items: center;
}
@media (max-width: 980px) { .pi-hero-grid { grid-template-columns: 1fr; gap: var(--pi-10); } }

.pi-hero-content > * + * { margin-top: var(--pi-6); }
.pi-hero h1 .amber { color: var(--pi-amber); }
.pi-hero h1 .cyan { color: var(--pi-cyan-light); }
.pi-hero-stats { display: flex; gap: var(--pi-8); flex-wrap: wrap; padding-top: var(--pi-4); }
.pi-hero-stat strong { display: block; font-family: var(--pi-font-h); font-size: 2rem; font-weight: 900; color: var(--pi-amber); line-height: 1; }
.pi-hero-stat span { display: block; font-size: 0.85rem; color: var(--pi-text-muted); margin-top: 0.3rem; }
.pi-hero-cta { display: flex; gap: var(--pi-4); flex-wrap: wrap; }

.pi-hero-visual {
    position: relative;
    border-radius: var(--pi-r-xl);
    overflow: hidden;
    box-shadow: var(--pi-sh-lg);
    border: 1px solid var(--pi-border);
}
.pi-hero-visual img { width: 100%; height: auto; display: block; }
.pi-hero-visual::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(6,8,15,0.4) 100%);
    pointer-events: none;
}

/* === TIER CARDS — Pricing principal === */
.pi-tiers {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--pi-6);
    margin-top: var(--pi-8);
}
@media (max-width: 980px) { .pi-tiers { grid-template-columns: 1fr; } }

.pi-tier {
    position: relative;
    background: linear-gradient(180deg, var(--pi-surface) 0%, var(--pi-surface-2) 100%);
    border: 1.5px solid var(--pi-border);
    border-radius: var(--pi-r-xl);
    padding: var(--pi-8) var(--pi-6);
    transition: var(--pi-tr);
    overflow: hidden;
}
.pi-tier::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg, transparent, var(--pi-cyan), transparent);
    opacity: 0; transition: var(--pi-tr);
}
.pi-tier:hover { transform: translateY(-6px); border-color: var(--pi-cyan); box-shadow: var(--pi-sh-cyan); }
.pi-tier:hover::before { opacity: 1; }

.pi-tier-featured {
    border-color: var(--pi-amber);
    background: linear-gradient(180deg, rgba(245,158,11,0.06) 0%, var(--pi-surface-2) 100%);
    box-shadow: var(--pi-sh-amber);
    transform: scale(1.03);
}
.pi-tier-featured:hover { transform: scale(1.05) translateY(-6px); box-shadow: 0 20px 60px rgba(245,158,11,0.4); }
.pi-tier-featured::before { background: linear-gradient(90deg, transparent, var(--pi-amber), transparent); opacity: 1; }
.pi-tier-badge {
    position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
    background: linear-gradient(135deg, var(--pi-amber), var(--pi-amber-light));
    color: #1a1100;
    padding: 0.4rem 1.1rem;
    border-radius: var(--pi-r-full);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    box-shadow: var(--pi-sh-amber);
}

.pi-tier-name { font-family: var(--pi-font-h); font-size: 0.9rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--pi-cyan-light); margin-bottom: var(--pi-3); }
.pi-tier-tagline { font-size: 0.95rem; color: var(--pi-text-muted); margin-bottom: var(--pi-6); min-height: 2.7em; }
.pi-tier-price { display: flex; align-items: baseline; gap: 0.4rem; margin-bottom: 0.4rem; }
.pi-tier-price .amount { font-family: var(--pi-font-h); font-size: 3.2rem; font-weight: 900; color: var(--pi-text); line-height: 1; }
.pi-tier-price .currency { font-size: 1.4rem; font-weight: 700; color: var(--pi-text-muted); }
.pi-tier-price .period { font-size: 0.95rem; color: var(--pi-text-muted); }
.pi-tier-monthly { font-size: 0.95rem; color: var(--pi-amber); margin-bottom: var(--pi-6); font-weight: 600; }
.pi-tier-monthly .label { color: var(--pi-text-dim); font-weight: 400; }

.pi-tier-features { display: flex; flex-direction: column; gap: var(--pi-3); margin-bottom: var(--pi-6); }
.pi-tier-features li {
    display: flex; align-items: flex-start; gap: 0.7rem;
    font-size: 0.96rem;
    color: var(--pi-text);
    line-height: 1.55;
}
.pi-tier-features li::before {
    content: ''; flex-shrink: 0; width: 18px; height: 18px; margin-top: 2px;
    background: var(--pi-cyan-bg);
    border: 1.5px solid var(--pi-cyan);
    border-radius: 50%;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3.5 8.5l3 3 6-6' stroke='%2322D3EE' stroke-width='2.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-size: 14px;
    background-position: center;
    background-repeat: no-repeat;
}
.pi-tier-featured .pi-tier-features li::before {
    background: var(--pi-amber-bg);
    border-color: var(--pi-amber);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3.5 8.5l3 3 6-6' stroke='%23fbbf24' stroke-width='2.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}

/* === TRUST BAR === */
.pi-trust {
    background: var(--pi-surface);
    border-top: 1px solid var(--pi-border);
    border-bottom: 1px solid var(--pi-border);
    padding: var(--pi-12) 0;
}
.pi-trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--pi-8);
    align-items: center;
}
@media (max-width: 800px) { .pi-trust-grid { grid-template-columns: repeat(2, 1fr); gap: var(--pi-6); } }
.pi-trust-item { text-align: center; }
.pi-trust-item strong {
    display: block;
    font-family: var(--pi-font-h);
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 900;
    background: linear-gradient(135deg, var(--pi-amber), var(--pi-cyan-light));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1;
}
.pi-trust-item span { display: block; font-size: 0.92rem; color: var(--pi-text-muted); margin-top: 0.5rem; }

/* === SECTION HEADER === */
.pi-section-h { text-align: center; max-width: 760px; margin: 0 auto var(--pi-12); }
.pi-section-h .pi-badge { margin-bottom: var(--pi-4); }
.pi-section-h h2 .amber { color: var(--pi-amber); }
.pi-section-h h2 .cyan { color: var(--pi-cyan-light); }
.pi-section-h p { margin-top: var(--pi-4); font-size: 1.12rem; }

/* === BEFORE/AFTER === */
.pi-ba {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--pi-6);
    align-items: stretch;
}
@media (max-width: 800px) { .pi-ba { grid-template-columns: 1fr; } }
.pi-ba-card {
    position: relative;
    border-radius: var(--pi-r-xl);
    overflow: hidden;
    background: var(--pi-surface);
    border: 1px solid var(--pi-border);
    transition: var(--pi-tr);
}
.pi-ba-card:hover { transform: translateY(-4px); }
.pi-ba-card img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 16/9; }
.pi-ba-card .label {
    position: absolute; top: var(--pi-4); left: var(--pi-4);
    padding: 0.5rem 1.1rem;
    border-radius: var(--pi-r-full);
    font-family: var(--pi-font-h);
    font-weight: 800;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    backdrop-filter: blur(8px);
}
.pi-ba-card.before .label { background: rgba(220,38,38,0.85); color: white; }
.pi-ba-card.after .label  { background: rgba(22,163,74,0.85); color: white; }
.pi-ba-card .caption {
    position: absolute; bottom: 0; left: 0; right: 0;
    padding: var(--pi-6) var(--pi-5);
    background: linear-gradient(180deg, transparent, rgba(6,8,15,0.95));
    color: var(--pi-text);
}
.pi-ba-card .caption strong { display: block; font-family: var(--pi-font-h); font-size: 1.15rem; margin-bottom: 0.3rem; }
.pi-ba-card .caption span { display: block; font-size: 0.92rem; color: var(--pi-text-muted); }

/* === STEPS — cómo funciona === */
.pi-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--pi-6);
}
@media (max-width: 800px) { .pi-steps { grid-template-columns: 1fr; } }
.pi-step {
    position: relative;
    padding: var(--pi-8) var(--pi-6);
    background: var(--pi-surface);
    border: 1px solid var(--pi-border);
    border-radius: var(--pi-r-lg);
    transition: var(--pi-tr);
}
.pi-step:hover { border-color: var(--pi-amber); transform: translateY(-4px); box-shadow: var(--pi-sh-amber); }
.pi-step-num {
    display: inline-flex; align-items: center; justify-content: center;
    width: 52px; height: 52px;
    background: linear-gradient(135deg, var(--pi-amber-bg), transparent);
    border: 2px solid var(--pi-amber);
    border-radius: var(--pi-r);
    color: var(--pi-amber);
    font-family: var(--pi-font-h);
    font-size: 1.4rem;
    font-weight: 900;
    margin-bottom: var(--pi-5);
}
.pi-step h3 { margin-bottom: var(--pi-3); }
.pi-step p { font-size: 0.98rem; }

/* === NICHE GRID === */
.pi-niches {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--pi-4);
    margin-top: var(--pi-8);
}
@media (max-width: 980px) { .pi-niches { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .pi-niches { grid-template-columns: 1fr 1fr; } }
.pi-niche {
    padding: var(--pi-5) var(--pi-4);
    background: var(--pi-surface);
    border: 1px solid var(--pi-border);
    border-radius: var(--pi-r);
    text-align: center;
    transition: var(--pi-tr);
}
.pi-niche:hover { border-color: var(--pi-cyan); background: var(--pi-cyan-bg); transform: translateY(-3px); }
.pi-niche-icon {
    width: 36px;
    height: 36px;
    display: block;
    margin: 0 auto var(--pi-3);
    color: var(--pi-amber);
    transition: var(--pi-tr-fast);
}
.pi-niche:hover .pi-niche-icon { color: var(--pi-cyan-light); transform: scale(1.1); }
.pi-niche-name { font-family: var(--pi-font-h); font-weight: 700; color: var(--pi-text); font-size: 0.96rem; }

/* === FAQ === */
.pi-faq { max-width: 820px; margin: 0 auto; }
.pi-faq details {
    background: var(--pi-surface);
    border: 1px solid var(--pi-border);
    border-radius: var(--pi-r);
    margin-bottom: var(--pi-3);
    overflow: hidden;
    transition: var(--pi-tr);
}
.pi-faq details[open] { border-color: var(--pi-amber); }
.pi-faq summary {
    padding: var(--pi-5) var(--pi-6);
    font-family: var(--pi-font-h);
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--pi-text);
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--pi-4);
    transition: var(--pi-tr-fast);
}
.pi-faq summary::-webkit-details-marker { display: none; }
.pi-faq summary::after {
    content: '+';
    font-size: 1.6rem;
    color: var(--pi-amber);
    font-weight: 300;
    transition: var(--pi-tr);
    flex-shrink: 0;
}
.pi-faq details[open] summary::after { transform: rotate(45deg); }
.pi-faq details:hover summary { background: rgba(255,255,255,0.02); }
.pi-faq-body {
    padding: 0 var(--pi-6) var(--pi-5);
    color: var(--pi-text-muted);
    line-height: 1.7;
}

/* === CTA BOTTOM === */
.pi-cta {
    position: relative;
    min-height: 70vh;
    display: flex; align-items: center;
    background: var(--pi-dark);
    overflow: hidden;
}
.pi-cta-bg {
    position: absolute; inset: 0; z-index: 0;
}
.pi-cta-bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.55; }
.pi-cta-bg::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(180deg, var(--pi-dark) 0%, transparent 35%, transparent 65%, var(--pi-dark) 100%),
                radial-gradient(ellipse at center, transparent 0%, var(--pi-dark) 100%);
}
.pi-cta-content { position: relative; z-index: 1; text-align: center; max-width: 760px; margin: 0 auto; }
.pi-cta-content h2 { margin-bottom: var(--pi-5); }
.pi-cta-content p { font-size: 1.18rem; margin-bottom: var(--pi-8); }
.pi-cta-buttons { display: flex; gap: var(--pi-4); justify-content: center; flex-wrap: wrap; }

/* === FOOTER === */
.pi-footer {
    background: var(--pi-surface);
    border-top: 1px solid var(--pi-border);
    padding: var(--pi-12) 0 var(--pi-8);
}
.pi-footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--pi-8);
    margin-bottom: var(--pi-8);
}
@media (max-width: 800px) { .pi-footer-grid { grid-template-columns: 1fr 1fr; } }
.pi-footer h4 { font-size: 0.86rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--pi-amber); margin-bottom: var(--pi-4); }
.pi-footer ul li { margin-bottom: var(--pi-2); }
.pi-footer ul li a { color: var(--pi-text-muted); font-size: 0.95rem; transition: var(--pi-tr-fast); }
.pi-footer ul li a:hover { color: var(--pi-amber); }
.pi-footer-brand p { font-size: 0.95rem; max-width: 320px; margin-top: var(--pi-3); }
.pi-footer-bottom {
    border-top: 1px solid var(--pi-border);
    padding-top: var(--pi-6);
    text-align: center;
    color: var(--pi-text-dim);
    font-size: 0.88rem;
}

/* === SCROLL REVEAL === */
.pi-reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.8s, transform 0.8s; }
.pi-reveal.visible { opacity: 1; transform: translateY(0); }

/* === FLOATING WHATSAPP === */
/* Nota: chat widget Cree (widget-loader.js) vive en bottom:24 right:24 con z:9999 y 56px alto.
   pi-wa sube a bottom:100 para dejar 20px de gap visible sobre el chat. */
.pi-wa {
    position: fixed; bottom: 100px; right: 24px; z-index: 9998;
    width: 60px; height: 60px;
    background: #25d366;
    border-radius: 50%;
    box-shadow: 0 8px 32px rgba(37,211,102,0.4);
    display: flex; align-items: center; justify-content: center;
    transition: var(--pi-tr);
    animation: pi-pulse-wa 3s ease-in-out infinite;
}
.pi-wa:hover { transform: scale(1.1); }
.pi-wa svg { width: 32px; height: 32px; fill: white; }
@keyframes pi-pulse-wa {
    0%, 100% { box-shadow: 0 8px 32px rgba(37,211,102,0.4); }
    50% { box-shadow: 0 8px 48px rgba(37,211,102,0.7); }
}

/* === UTILITIES === */
.pi-text-center { text-align: center; }
.pi-mt-4 { margin-top: var(--pi-4); }
.pi-mt-6 { margin-top: var(--pi-6); }
.pi-mt-8 { margin-top: var(--pi-8); }
.pi-mb-4 { margin-bottom: var(--pi-4); }
.pi-mb-8 { margin-bottom: var(--pi-8); }
.pi-amber { color: var(--pi-amber); }
.pi-cyan { color: var(--pi-cyan-light); }
.pi-success { color: var(--pi-success-light); }
.pi-strike { text-decoration: line-through; color: var(--pi-text-dim); }

/* === ACCESSIBILITY === */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}
:focus-visible { outline: 3px solid var(--pi-amber); outline-offset: 3px; border-radius: 4px; }