/* =====================================================
   Aló Idiomas — Estilos Principales v2.0
   Diseño profesional, moderno y responsivo
   ===================================================== */

/* ── Variables globales ── */
:root {
    --primary:       #1a73e8;
    --primary-dark:  #1558b0;
    --primary-light: #e8f0fe;
    --secondary:     #f5a623;
    --secondary-dark:#d4891a;
    --dark:          #1e2a3a;
    --dark-mid:      #2c3e50;
    --gray:          #6b7280;
    --gray-light:    #f3f4f6;
    --gray-border:   #e5e7eb;
    --white:         #ffffff;
    --success:       #10b981;
    --danger:        #ef4444;
    --text:          #111827;
    --text-muted:    #6b7280;
    --radius:        10px;
    --radius-lg:     16px;
    --shadow:        0 4px 16px rgba(0,0,0,.08);
    --shadow-md:     0 8px 30px rgba(0,0,0,.12);
    --shadow-lg:     0 20px 60px rgba(0,0,0,.15);
    --transition:    all .3s cubic-bezier(.4,0,.2,1);
    --font-heading:  'Montserrat', sans-serif;
    --font-body:     'Open Sans', sans-serif;
}

/* ── Reset ── */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; font-size:16px; }
body {
    font-family: var(--font-body);
    color: var(--text);
    background: var(--white);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}
img { max-width:100%; height:auto; display:block; }
a  { color: var(--primary); text-decoration:none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
ul, ol { list-style:none; }
button { cursor:pointer; font-family: var(--font-body); }

/* ── Tipografía ── */
h1,h2,h3,h4,h5,h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.25;
    color: var(--dark);
}
h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
h4 { font-size: 1.15rem; }
p  { margin-bottom: .9rem; color: var(--text-muted); }

/* ── Contenedor ── */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ── Sección base ── */
section { padding: 80px 0; }
.section-header { text-align:center; margin-bottom: 56px; }
.section-header h2 { margin-bottom: 14px; }
.section-header p  { font-size:1.05rem; max-width:600px; margin:0 auto; }
.section-divider {
    display: block;
    width: 56px; height: 4px;
    background: var(--secondary);
    border-radius: 4px;
    margin: 14px auto 0;
}

/* ── Botones ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 28px;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: .95rem;
    border: 2px solid transparent;
    transition: var(--transition);
    white-space: nowrap;
    text-align: center;
}
.btn-primary {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}
.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(26,115,232,.35);
}
.btn-secondary {
    background: var(--secondary);
    color: var(--white);
    border-color: var(--secondary);
}
.btn-secondary:hover {
    background: var(--secondary-dark);
    border-color: var(--secondary-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(245,166,35,.35);
}
.btn-outline {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}
.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}
.btn-white {
    background: var(--white);
    color: var(--primary);
    border-color: var(--white);
}
.btn-white:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
}
.btn-dark {
    background: var(--dark);
    color: var(--white);
    border-color: var(--dark);
}
.btn-dark:hover {
    background: var(--dark-mid);
    transform: translateY(-2px);
}
.btn-lg { padding: 16px 38px; font-size: 1.05rem; }
.btn-sm { padding: 9px 20px; font-size: .85rem; }
.btn-block { display:flex; width:100%; justify-content:center; }

/* ── Header ── */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--white);
    box-shadow: 0 2px 12px rgba(0,0,0,.08);
}
.header-top {
    background: var(--dark);
    color: rgba(255,255,255,.8);
    padding: 8px 0;
    font-size: .82rem;
}
.header-top a { color: rgba(255,255,255,.8); }
.header-top a:hover { color: var(--secondary); }
.header-top-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}
.header-top-contact { display:flex; gap:20px; align-items:center; }
.header-top-social  { display:flex; gap:12px; align-items:center; }
.header-top-social a {
    display:inline-flex; align-items:center; justify-content:center;
    width:28px; height:28px;
    background: rgba(255,255,255,.1);
    border-radius:50%;
    font-size:.8rem;
    transition: var(--transition);
}
.header-top-social a:hover { background: var(--secondary); color:#fff; }

.header-main { padding: 14px 0; }
.header-main-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}
.logo {
    font-family: var(--font-heading);
    font-size: 1.7rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.5px;
    flex-shrink: 0;
}
.logo span { color: var(--secondary); }
.logo img { max-height: 52px; width:auto; }

.main-nav { display:flex; align-items:center; gap:6px; }
.main-nav a {
    font-family: var(--font-heading);
    font-size: .85rem;
    font-weight: 600;
    color: var(--dark);
    padding: 8px 12px;
    border-radius: 6px;
    letter-spacing: .3px;
    text-transform: uppercase;
}
.main-nav a:hover, .main-nav a.active {
    color: var(--primary);
    background: var(--primary-light);
}

.header-accesos {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.accesos-dropdown { position:relative; }
.accesos-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: var(--gray-light);
    border: none;
    border-radius: 8px;
    font-size: .85rem;
    font-weight: 600;
    color: var(--dark);
    cursor: pointer;
    transition: var(--transition);
}
.accesos-btn:hover { background: var(--primary-light); color: var(--primary); }
.accesos-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    min-width: 180px;
    padding: 8px 0;
    display: none;
    z-index: 200;
}
.accesos-dropdown:hover .accesos-menu { display:block; }
.accesos-menu a {
    display: block;
    padding: 10px 18px;
    font-size: .88rem;
    color: var(--text);
}
.accesos-menu a:hover { background: var(--gray-light); color: var(--primary); }

.kiddie-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 16px;
    background: linear-gradient(135deg, #ff6b6b, #ffd93d);
    color: var(--white);
    border-radius: 50px;
    font-size: .82rem;
    font-weight: 700;
    animation: float 3s ease-in-out infinite;
}
.kiddie-btn:hover { color: var(--white); opacity:.9; }
@keyframes float {
    0%,100% { transform:translateY(0); }
    50%      { transform:translateY(-4px); }
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    padding: 4px;
    cursor: pointer;
}
.hamburger span {
    display:block; width:24px; height:2px;
    background: var(--dark);
    border-radius:2px;
    transition: var(--transition);
}

/* ── Hero ── */
.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(135deg, #0d1b2a 0%, #1a3a5c 50%, #1a73e8 100%);
}
.hero-bg {
    position: absolute; inset:0;
    background-image: url('../img/hero-estudiante.jpg');
    background-size: cover;
    background-position: center right;
    opacity: .18;
}
.hero-overlay {
    position: absolute; inset:0;
    background: linear-gradient(90deg, rgba(13,27,42,.92) 40%, rgba(13,27,42,.4) 100%);
}
.hero-inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    padding: 80px 0;
}
.hero-content { color: var(--white); }
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(245,166,35,.15);
    border: 1px solid rgba(245,166,35,.4);
    color: var(--secondary);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: .82rem;
    font-weight: 700;
    letter-spacing: .5px;
    text-transform: uppercase;
    margin-bottom: 20px;
}
.hero-content h1 {
    color: var(--white);
    margin-bottom: 18px;
    line-height: 1.15;
}
.hero-content h1 .highlight {
    color: var(--secondary);
    position: relative;
}
.hero-content p {
    font-size: 1.1rem;
    color: rgba(255,255,255,.8);
    margin-bottom: 32px;
    max-width: 480px;
}
.hero-actions { display:flex; gap:14px; flex-wrap:wrap; margin-bottom:40px; }
.hero-stats {
    display: flex;
    gap: 32px;
    padding-top: 32px;
    border-top: 1px solid rgba(255,255,255,.15);
}
.hero-stat strong {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--secondary);
}
.hero-stat span { font-size:.82rem; color:rgba(255,255,255,.65); }

.hero-image-wrap {
    position: relative;
    display: flex;
    justify-content: center;
}
.hero-img {
    width: 100%;
    max-width: 500px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    object-fit: cover;
    aspect-ratio: 4/5;
}
.hero-card {
    position: absolute;
    background: var(--white);
    border-radius: var(--radius);
    padding: 14px 18px;
    box-shadow: var(--shadow-md);
    font-size: .82rem;
    font-weight: 600;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 10px;
}
.hero-card-1 { bottom: 30px; left: -20px; }
.hero-card-2 { top: 30px; right: -20px; }
.hero-card-icon {
    width: 36px; height: 36px;
    border-radius: 50%;
    display: flex; align-items:center; justify-content:center;
    font-size: 1.1rem;
}
.hero-card-icon.blue { background: var(--primary-light); }
.hero-card-icon.yellow { background: #fff8e1; }

/* ── Idiomas ── */
.idiomas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}
.idioma-card {
    background: var(--white);
    border: 1px solid var(--gray-border);
    border-radius: var(--radius-lg);
    padding: 28px 20px;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
}
.idioma-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}
.idioma-flag {
    font-size: 2.8rem;
    margin-bottom: 12px;
    display: block;
}
.idioma-card h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--dark);
}
.idioma-card p {
    font-size: .85rem;
    margin-bottom: 16px;
}
.idioma-card .btn { font-size:.82rem; padding:8px 18px; }

/* ── Metodología ── */
.metodologia { background: var(--gray-light); }
.metodologia-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}
.metodo-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
}
.metodo-img {
    width: 100%;
    height: 240px;
    object-fit: cover;
}
.metodo-body { padding: 28px; }
.metodo-icon {
    width: 52px; height: 52px;
    border-radius: 12px;
    display: flex; align-items:center; justify-content:center;
    font-size: 1.5rem;
    margin-bottom: 16px;
}
.metodo-icon.blue   { background: var(--primary-light); }
.metodo-icon.purple { background: #f3e8ff; }
.metodo-body h3 { margin-bottom:12px; }
.metodo-body p  { margin-bottom:18px; }
.metodo-list { display:flex; flex-direction:column; gap:10px; }
.metodo-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: .9rem;
    color: var(--text);
}
.metodo-list li::before {
    content: '✓';
    display: flex; align-items:center; justify-content:center;
    width: 22px; height: 22px;
    background: var(--success);
    color: #fff;
    border-radius: 50%;
    font-size: .7rem;
    font-weight: 700;
    flex-shrink: 0;
}

/* ── Testimonios ── */
.testimonios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}
.testimonio-card {
    background: var(--white);
    border: 1px solid var(--gray-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: var(--transition);
}
.testimonio-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
    transform: translateY(-3px);
}
.testimonio-stars { color: #f59e0b; font-size:1rem; margin-bottom:14px; letter-spacing:2px; }
.testimonio-text {
    font-size: .92rem;
    color: var(--text);
    font-style: italic;
    margin-bottom: 18px;
    line-height: 1.6;
}
.testimonio-author {
    display: flex;
    align-items: center;
    gap: 12px;
}
.testimonio-avatar {
    width: 44px; height: 44px;
    border-radius: 50%;
    background: var(--primary-light);
    display: flex; align-items:center; justify-content:center;
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--primary);
    font-size: 1rem;
    flex-shrink: 0;
}
.testimonio-name { font-weight: 700; font-size:.9rem; color: var(--dark); }
.testimonio-role { font-size:.78rem; color: var(--text-muted); }

/* ── Diagnóstico Banner ── */
.diagnostico-banner {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}
.diagnostico-banner::before {
    content:'';
    position:absolute; inset:0;
    background-image: url('../img/diagnostico-banner.jpg');
    background-size:cover; background-position:center;
    opacity:.12;
}
.diagnostico-banner-inner {
    position:relative; z-index:2;
    display:grid; grid-template-columns:1fr auto;
    gap:40px; align-items:center;
}
.diagnostico-banner h2 { color:var(--white); margin-bottom:12px; }
.diagnostico-banner p  { color:rgba(255,255,255,.85); font-size:1.05rem; margin:0; }
.diagnostico-niveles {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 20px;
}
.nivel-badge {
    padding: 5px 14px;
    background: rgba(255,255,255,.15);
    border: 1px solid rgba(255,255,255,.3);
    border-radius: 50px;
    font-size: .78rem;
    font-weight: 700;
    color: var(--white);
}

/* ── Noticias ── */
.noticias-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 28px;
}
.noticia-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}
.noticia-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}
.noticia-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: var(--gray-light);
    display: flex; align-items:center; justify-content:center;
    font-size: 3rem;
}
.noticia-body { padding: 22px; }
.noticia-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}
.noticia-cat {
    padding: 3px 10px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 50px;
    font-size: .72rem;
    font-weight: 700;
    text-transform: uppercase;
}
.noticia-date { font-size: .78rem; color: var(--text-muted); }
.noticia-body h4 { margin-bottom:10px; font-size:1rem; }
.noticia-body p  { font-size:.87rem; margin-bottom:16px; }
.noticia-body .btn { font-size:.82rem; padding:8px 18px; }

/* ── Convenios ── */
.convenios { background: var(--gray-light); }
.convenios-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
    align-items: center;
}
.convenio-item {
    background: var(--white);
    border-radius: var(--radius);
    padding: 20px 30px;
    display: flex; align-items:center; justify-content:center;
    min-width: 140px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--gray);
    font-size: .95rem;
    letter-spacing: .5px;
}
.convenio-item:hover { box-shadow: var(--shadow-md); transform:translateY(-2px); color:var(--primary); }

/* ── Sucursales ── */
.sucursales-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}
.sucursal-card {
    background: var(--white);
    border: 1px solid var(--gray-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: var(--transition);
}
.sucursal-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}
.sucursal-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--gray-border);
}
.sucursal-icon {
    width: 48px; height: 48px;
    background: var(--primary-light);
    border-radius: 12px;
    display: flex; align-items:center; justify-content:center;
    font-size: 1.4rem;
}
.sucursal-header h4 { margin:0; font-size:1rem; }
.sucursal-header span { font-size:.78rem; color: var(--text-muted); }
.sucursal-info { display:flex; flex-direction:column; gap:12px; }
.sucursal-row {
    display: flex;
    gap: 10px;
    font-size: .88rem;
}
.sucursal-row-icon { flex-shrink:0; width:20px; text-align:center; }
.sucursal-row-text { color: var(--text-muted); }
.sucursal-row-text strong { color: var(--text); display:block; }
.sucursal-wa {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 16px;
    padding: 10px 18px;
    background: #25d366;
    color: var(--white);
    border-radius: 50px;
    font-size: .85rem;
    font-weight: 700;
    transition: var(--transition);
}
.sucursal-wa:hover { background:#1da851; color:#fff; transform:translateY(-2px); }

/* ── CTA Final ── */
.cta-final {
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-mid) 100%);
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-final::before {
    content:'';
    position:absolute; inset:0;
    background-image: url('../img/cta-banner.jpg');
    background-size:cover; background-position:center;
    opacity:.1;
}
.cta-final-inner { position:relative; z-index:2; }
.cta-final h2 { color:var(--white); margin-bottom:16px; }
.cta-final p  { color:rgba(255,255,255,.75); font-size:1.1rem; margin-bottom:36px; max-width:520px; margin-left:auto; margin-right:auto; }
.cta-final-actions { display:flex; gap:16px; justify-content:center; flex-wrap:wrap; }

/* ── Footer ── */
.site-footer {
    background: var(--dark);
    color: rgba(255,255,255,.7);
    padding: 64px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand .logo { color: var(--white); margin-bottom: 16px; display:block; }
.footer-brand p { font-size:.88rem; margin-bottom:20px; }
.footer-social { display:flex; gap:10px; }
.footer-social a {
    display:flex; align-items:center; justify-content:center;
    width:36px; height:36px;
    background:rgba(255,255,255,.08);
    border-radius:50%;
    color:rgba(255,255,255,.7);
    font-size:.85rem;
    transition: var(--transition);
}
.footer-social a:hover { background:var(--secondary); color:#fff; }
.footer-col h5 {
    font-family: var(--font-heading);
    font-size:.9rem;
    color: var(--white);
    margin-bottom:18px;
    text-transform:uppercase;
    letter-spacing:.5px;
}
.footer-col ul { display:flex; flex-direction:column; gap:10px; }
.footer-col ul li a {
    font-size:.88rem;
    color:rgba(255,255,255,.6);
    transition: var(--transition);
}
.footer-col ul li a:hover { color:var(--secondary); padding-left:4px; }
.footer-col p { font-size:.88rem; }
.footer-bottom {
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    font-size: .82rem;
    color: rgba(255,255,255,.4);
}
.footer-bottom a { color:rgba(255,255,255,.4); }
.footer-bottom a:hover { color:var(--secondary); }

/* ── Botones flotantes ── */
.floating-btns {
    position: fixed;
    bottom: 28px;
    right: 24px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.float-btn {
    width: 56px; height: 56px;
    border-radius: 50%;
    display: flex; align-items:center; justify-content:center;
    font-size: 1.4rem;
    box-shadow: 0 6px 20px rgba(0,0,0,.2);
    transition: var(--transition);
    border: none;
    text-decoration: none;
}
.float-btn:hover { transform:scale(1.1); box-shadow:0 10px 28px rgba(0,0,0,.3); }
.float-wa  { background:#25d366; color:#fff; }
.float-cta { background:var(--primary); color:#fff; }

/* ── Formularios ── */
.form-group { margin-bottom: 18px; }
.form-label {
    display:block;
    font-size:.88rem;
    font-weight:600;
    color:var(--dark);
    margin-bottom:6px;
}
.form-control {
    width:100%;
    padding:12px 16px;
    border:1.5px solid var(--gray-border);
    border-radius:8px;
    font-family:var(--font-body);
    font-size:.95rem;
    color:var(--text);
    background:var(--white);
    transition:var(--transition);
}
.form-control:focus {
    outline:none;
    border-color:var(--primary);
    box-shadow:0 0 0 3px rgba(26,115,232,.12);
}
.form-control::placeholder { color:var(--text-muted); }
select.form-control { cursor:pointer; }
textarea.form-control { resize:vertical; min-height:120px; }

/* ── Alertas ── */
.alert {
    padding:14px 18px;
    border-radius:8px;
    margin-bottom:18px;
    font-size:.9rem;
    font-weight:600;
}
.alert-success { background:#d1fae5; color:#065f46; border:1px solid #a7f3d0; }
.alert-danger   { background:#fee2e2; color:#991b1b; border:1px solid #fca5a5; }
.alert-info     { background:var(--primary-light); color:var(--primary-dark); border:1px solid #bfdbfe; }

/* ── Utilidades ── */
.text-center { text-align:center; }
.text-primary { color:var(--primary); }
.text-secondary { color:var(--secondary); }
.text-muted { color:var(--text-muted); }
.bg-light { background:var(--gray-light); }
.bg-primary { background:var(--primary); }
.mt-1{margin-top:.5rem;} .mt-2{margin-top:1rem;} .mt-3{margin-top:1.5rem;} .mt-4{margin-top:2rem;}
.mb-1{margin-bottom:.5rem;} .mb-2{margin-bottom:1rem;} .mb-3{margin-bottom:1.5rem;} .mb-4{margin-bottom:2rem;}
.py-1{padding-top:.5rem;padding-bottom:.5rem;} .py-2{padding-top:1rem;padding-bottom:1rem;}
.d-flex{display:flex;} .d-grid{display:grid;} .d-none{display:none;}
.align-center{align-items:center;} .justify-center{justify-content:center;} .gap-2{gap:1rem;}
.w-100{width:100%;} .h-100{height:100%;}

/* ── Animaciones ── */
@keyframes fadeInUp {
    from { opacity:0; transform:translateY(30px); }
    to   { opacity:1; transform:translateY(0); }
}
.fade-in-up { animation: fadeInUp .6s ease forwards; }

/* ── Responsive ── */
@media (max-width: 1024px) {
    .hero-inner { grid-template-columns:1fr; text-align:center; }
    .hero-content p { margin:0 auto 32px; }
    .hero-actions { justify-content:center; }
    .hero-stats { justify-content:center; }
    .hero-image-wrap { display:none; }
    .metodologia-grid { grid-template-columns:1fr; }
    .footer-grid { grid-template-columns:1fr 1fr; }
    .diagnostico-banner-inner { grid-template-columns:1fr; text-align:center; }
}

@media (max-width: 768px) {
    section { padding:60px 0; }
    .header-top { display:none; }
    .main-nav { display:none; position:fixed; top:0; left:0; right:0; bottom:0; background:var(--white); flex-direction:column; justify-content:center; align-items:center; gap:8px; z-index:999; }
    .main-nav.open { display:flex; }
    .main-nav a { font-size:1.1rem; padding:14px 24px; }
    .hamburger { display:flex; }
    .header-accesos .accesos-dropdown { display:none; }
    .footer-grid { grid-template-columns:1fr; }
    .hero-stats { flex-wrap:wrap; gap:20px; }
    .idiomas-grid { grid-template-columns:repeat(2,1fr); }
    .sucursales-grid { grid-template-columns:1fr; }
    .cta-final-actions { flex-direction:column; align-items:center; }
}

@media (max-width: 480px) {
    h1 { font-size:1.8rem; }
    h2 { font-size:1.5rem; }
    .idiomas-grid { grid-template-columns:1fr; }
    .hero-actions { flex-direction:column; align-items:center; }
    .btn-lg { width:100%; justify-content:center; }
}