/* =============================================
   SHARED STYLES — Dr. Ricardo Reyes Peart
   Todas las páginas internas usan este CSS
   ============================================= */

:root {
    --navy: #042331; --navy-light: #134e66;
    --gold: #dba65d; --gold-hover: #f0c48a;
    --teal-soft: #c7e4ee;
    --text-main: #042331; --text-muted: #5a7280;
    --glass-surface: rgba(255,255,255,0.65);
    --glass-border: 1px solid rgba(255,255,255,0.5);
    --glass-blur: blur(25px);
    --glass-shadow: 0 15px 40px -10px rgba(4,35,49,0.15), inset 0 1px 0 rgba(255,255,255,0.6);
    --radius-xl: 45px; --radius-btn: 60px;
    --tab-height: 72px;
}

* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
    font-family:'Manrope',sans-serif;
    background-color:#f2f6fc;
    color:var(--text-main);
    line-height:1.6;
    overflow-x:hidden;
}

/* AURORA BG */
body::before, body::after {
    content:''; position:fixed; z-index:-1; border-radius:50%;
    filter:blur(120px); opacity:0.45;
    animation:float-aurora 15s ease-in-out infinite alternate;
}
body::before { top:-20%; left:-10%; width:70vw; height:70vw; background:radial-gradient(circle, var(--gold) 0%, var(--teal-soft) 70%); }
body::after { bottom:-30%; right:-20%; width:60vw; height:60vw; background:radial-gradient(circle, var(--navy-light) 0%, transparent 70%); animation-delay:-5s; }
@keyframes float-aurora { 0%{transform:translate(0,0) scale(1);} 100%{transform:translate(40px,40px) scale(1.08);} }

/* GLASS PANEL */
.glass-panel { background:var(--glass-surface); backdrop-filter:var(--glass-blur); -webkit-backdrop-filter:var(--glass-blur); border:var(--glass-border); box-shadow:var(--glass-shadow); border-radius:var(--radius-xl); }

/* TYPOGRAPHY */
h1,h2,h3,h4 { font-weight:800; letter-spacing:-0.03em; color:var(--navy); }
h1 { font-size:clamp(2.2rem,5vw,3.8rem); line-height:1.1; }
h2 { font-size:clamp(1.8rem,4vw,2.6rem); }
h3 { font-size:clamp(1.1rem,2.5vw,1.5rem); }
img { display:block; max-width:100%; object-fit:cover; }
a { text-decoration:none; transition:.3s ease; }

/* UTILITIES */
.container { max-width:1100px; margin:0 auto; padding:0 20px; }
.section-padding { padding:100px 0; }
.text-center { text-align:center; }
.grid { display:grid; gap:28px; }
.grid-3 { grid-template-columns:repeat(auto-fit, minmax(300px,1fr)); }

/* HEADER */
header {
    position:fixed; top:25px; left:0; right:0;
    width:92%; max-width:1200px; margin:0 auto;
    background:rgba(255,255,255,0.82); backdrop-filter:var(--glass-blur);
    -webkit-backdrop-filter:var(--glass-blur); border:var(--glass-border);
    box-shadow:0 10px 30px rgba(0,0,0,0.08);
    padding:12px 28px; border-radius:100px;
    z-index:1000; display:flex; justify-content:space-between; align-items:center;
    transition:all .3s ease;
}
.logo { font-weight:800; font-size:1.02rem; color:var(--navy); display:flex; align-items:center; gap:9px; z-index:1001; white-space:nowrap; }
.logo i { color:var(--gold); font-size:1.35rem; }
.logo-sub { font-size:0.76em; font-weight:600; color:var(--text-muted); display:block; }
.nav-links { display:flex; gap:28px; }
.nav-links a { color:var(--text-main); font-weight:700; font-size:0.87rem; opacity:0.8; }
.nav-links a:hover, .nav-links a.active { color:var(--gold); opacity:1; }

/* HAMBURGER */
.hamburger { display:none; flex-direction:column; gap:5px; cursor:pointer; z-index:1001; padding:8px; }
.hamburger span { width:22px; height:2.5px; background:var(--navy); border-radius:3px; transition:all .3s; }
.hamburger.open span:nth-child(1) { transform:rotate(45deg) translate(7px,7px); }
.hamburger.open span:nth-child(2) { opacity:0; }
.hamburger.open span:nth-child(3) { transform:rotate(-45deg) translate(7px,-7px); }

/* MOBILE MENU */
.mobile-menu { display:none; position:fixed; top:0; left:0; width:100%; height:100vh; background:rgba(255,255,255,0.97); backdrop-filter:blur(30px); z-index:999; padding:110px 28px 30px; transform:translateX(-100%); transition:transform .38s cubic-bezier(.4,0,.2,1); }
.mobile-menu.open { transform:translateX(0); }
.mobile-menu nav { display:flex; flex-direction:column; gap:4px; }
.mobile-menu nav a { color:var(--navy); font-size:1.15rem; font-weight:700; padding:14px 12px; border-bottom:1px solid rgba(4,35,49,0.07); display:flex; align-items:center; gap:14px; transition:all .25s; }
.mobile-menu nav a i { color:var(--gold); width:20px; text-align:center; }
.mobile-menu nav a:hover, .mobile-menu nav a.active { color:var(--gold); padding-left:20px; }
.mobile-menu .menu-cta { margin-top:28px; }

/* BUTTONS */
.btn { padding:13px 32px; border-radius:var(--radius-btn); font-weight:700; font-size:0.95rem; cursor:pointer; border:none; display:inline-flex; align-items:center; gap:8px; justify-content:center; transition:all .4s cubic-bezier(.2,.8,.2,1); }
.btn-primary { background:linear-gradient(135deg, var(--gold), var(--gold-hover)); color:var(--navy); box-shadow:0 10px 25px -5px rgba(219,166,93,0.45), inset 0 2px 2px rgba(255,255,255,0.4); }
.btn-primary:hover { transform:translateY(-3px) scale(1.02); box-shadow:0 18px 30px -8px rgba(219,166,93,0.55); }
.btn-glass { background:rgba(255,255,255,0.55); border:1.5px solid rgba(255,255,255,0.7); color:var(--navy); }
.btn-glass:hover { background:white; border-color:var(--navy); }

/* CARD GLASS */
.card-glass { padding:38px 28px; transition:all .4s cubic-bezier(.2,.8,.2,1); position:relative; overflow:hidden; }
.card-glass::before { content:''; position:absolute; top:0; left:-100%; width:100%; height:100%; background:linear-gradient(90deg,transparent,rgba(255,255,255,0.32),transparent); transition:.55s; }
.card-glass:hover::before { left:100%; }
.card-glass:hover { transform:translateY(-10px) scale(1.015); box-shadow:0 28px 48px -12px rgba(4,35,49,0.18); }

/* WHATSAPP FLOAT */
.wa-float { position:fixed; bottom:90px; right:18px; background:linear-gradient(135deg,#25D366,#128C7E); color:white; width:56px; height:56px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:27px; box-shadow:0 10px 25px rgba(37,211,102,0.4); z-index:997; transition:.4s cubic-bezier(.2,.8,.2,1); }
.wa-float:hover { transform:scale(1.12) rotate(10deg); }

/* BOTTOM TAB BAR */
.bottom-tab-bar { display:none; position:fixed; bottom:0; left:0; right:0; height:var(--tab-height); background:rgba(255,255,255,0.94); backdrop-filter:blur(30px); -webkit-backdrop-filter:blur(30px); border-top:1px solid rgba(4,35,49,0.09); z-index:1000; box-shadow:0 -8px 24px rgba(0,0,0,0.07); }
.tab-bar-inner { display:flex; justify-content:space-around; align-items:center; height:100%; padding:0 6px; }
.tab-item { display:flex; flex-direction:column; align-items:center; gap:3px; padding:8px 8px; color:var(--text-muted); font-size:0.62rem; font-weight:700; text-transform:uppercase; letter-spacing:0.4px; transition:all .25s; text-decoration:none; min-width:52px; border-radius:14px; }
.tab-item i { font-size:1.2rem; transition:all .25s; }
.tab-item.active, .tab-item:hover { color:var(--gold); }
.tab-item.active i { transform:scale(1.12); }
.tab-item.tab-cta { background:linear-gradient(135deg,var(--gold),var(--gold-hover)); color:var(--navy) !important; padding:10px 14px; border-radius:20px; box-shadow:0 4px 14px rgba(219,166,93,0.38); }
.tab-item.tab-cta i { color:var(--navy); }

/* FOOTER */
footer { background:var(--navy); padding:48px 0; text-align:center; position:relative; z-index:2; }
footer p { color:rgba(255,255,255,0.58); font-size:0.9rem; }

/* ========================
   TABLET ≤950px
======================== */
@media (max-width:950px) {
    .nav-links { display:none; }
    .btn-header { display:none; }
    .hamburger { display:flex; }
    .mobile-menu { display:block; }
    header { width:94%; padding:11px 16px; }
    .section-padding { padding:65px 0; }
    .grid-3 { grid-template-columns:1fr; }
}

/* ========================
   MOBILE ≤768px
======================== */
@media (max-width:768px) {
    .bottom-tab-bar { display:block; }
    body { padding-bottom:var(--tab-height); }

    header { top:12px; padding:9px 14px; border-radius:22px; width:92%; }
    .logo { font-size:0.9rem; gap:8px; }
    .logo i { font-size:1.15rem; }

    .section-padding { padding:55px 0; }
    .container { padding:0 14px; }
    .glass-panel { border-radius:26px; }

    /* Forzar 1 columna */
    .grid { grid-template-columns:1fr !important; gap:16px; }
    .grid-3 { grid-template-columns:1fr; }

    /* Hero section padding */
    .hero-section-mobile { padding-top:105px !important; padding-bottom:45px !important; }

    /* Tab bar */
    .tab-item { min-width:46px; font-size:0.58rem; padding:6px 5px; }
    .tab-item i { font-size:1.1rem; }
    
    /* WA float above tab bar */
    .wa-float { bottom:85px; right:16px; width:52px; height:52px; font-size:25px; }
}

/* ========================
   SMALL MOBILE ≤480px
======================== */
@media (max-width:480px) {
    header { width:90%; padding:7px 11px; border-radius:18px; }
    .logo { font-size:0.82rem; gap:7px; }
}