/* ==============================================
   YEMA SOLUCIONES INTEGRALES - ESTILOS COMPLETOS
   ============================================== */

:root {
    --dorado: #D4AF37;
    --dorado-oscuro: #c9a227;
    --teal: #0A4A5B;
    --dark: #1A1A1A;
    --blanco: #ffffff;
    --gris-bg: #f5f5f5;
    --gris-texto: #555;
    --transition: all 0.3s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; min-height: 100vh; overflow-x: hidden; width: 100%; }
body { font-family: 'Poppins', sans-serif; background: #ffffff; color: #333; line-height: 1.6; max-width: 100vw; }

img { max-width: 100%; height: auto; }
section { overflow-x: hidden; max-width: 100vw; }
* { -webkit-tap-highlight-color: transparent; }
button, a { touch-action: manipulation; }

.container { width: 100%; max-width: 100%; margin: 0 auto; padding: 0 10px; box-sizing: border-box; }

/* ================= HEADER ================= */
.header { background: #1A1A1A; padding: 8px 0; position: sticky; top: 0; z-index: 1000; border-bottom: 2px solid var(--dorado); max-width: 100vw; }
.nav { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; }
.logo { width: 180px; }
nav { display: flex; gap: 5px; flex-wrap: wrap; }
nav a { color: white; text-decoration: none; font-weight: 500; padding: 5px 10px; border-radius: 5px; font-size: 14px; }
nav a:hover { color: var(--dorado); background: rgba(212,175,55,0.1); }
.btn-nav { background: var(--dorado); padding: 5px 10px; border-radius: 5px; color: #1A1A1A; font-weight: 600; }
.btn-nav:hover { background: #e5c158; }

/* ================= HERO ================= */
.hero { padding: 80px 0; text-align: center; background: linear-gradient(135deg, #1A1A1A 0%, #0A4A5B 100%); color: white; max-width: 100vw; }
.hero h1 { font-size: 2.5rem; margin-bottom: 15px; color: var(--dorado); }
.hero-main { font-size: 18px; max-width: 850px; margin: 10px auto; padding: 0 10px; }
.hero-plus { margin-top: 10px; font-size: 16px; color: #ddd; max-width: 850px; margin-left: auto; margin-right: auto; padding: 0 10px; }

/* ================= BOTONES ================= */
.btn-primary { background: var(--dorado); padding: 12px 30px; border-radius: 8px; text-decoration: none; color: #1A1A1A; font-weight: 700; display: inline-block; border: none; cursor: pointer; font-size: 15px; margin-top: 15px; transition: var(--transition); }
.btn-primary:hover { transform: scale(1.05); box-shadow: 0 8px 25px rgba(212,175,55,0.4); }
.btn-califica { background: var(--teal); color: white; padding: 12px 30px; border-radius: 8px; text-decoration: none; font-weight: 700; display: inline-block; margin-top: 10px; transition: var(--transition); }
.btn-califica:hover { background: #0d6b7d; transform: scale(1.05); }

/* ================= SECCIONES ================= */
.plataforma, .impacto, .modelo, .institucional, .portafolio, .sectores, .clientes, .experiencia, .contacto, .registro-fotografico { padding: 40px 0; text-align: center; max-width: 100vw; }
.plataforma { background: #ffffff; }
.impacto { background: var(--gris-bg); }
.modelo { background: #ffffff; }
.institucional { background: var(--teal); color: white; }
.portafolio { background: #ffffff; }
.experiencia { background: var(--gris-bg); }
.contacto { background: #ffffff; }
.registro-fotografico { background: var(--gris-bg); }

h2 { font-size: 2rem; margin-bottom: 20px; color: var(--teal); position: relative; padding-bottom: 15px; padding-left: 10px; padding-right: 10px; }
h2::after { content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 80px; height: 3px; background: var(--dorado); }

/* ================= GRIDS ================= */
.plataforma-grid, .impacto-metricas, .modelo-grid, .intervencion-grid, .portafolio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; margin-top: 40px; padding: 0 10px; }
.plataforma-item, .metrica, .modelo-item, .intervencion-item, .portafolio-item { background: white; padding: 20px 15px; border-radius: 12px; border: 1px solid #ddd; box-shadow: 0 2px 10px rgba(0,0,0,0.05); transition: var(--transition); max-width: 100%; word-wrap: break-word; overflow-wrap: break-word; }
.plataforma-item:hover, .metrica:hover, .modelo-item:hover, .intervencion-item:hover, .portafolio-item:hover { transform: translateY(-5px); border-color: var(--dorado); box-shadow: 0 8px 25px rgba(212,175,55,0.2); }
.plataforma-item h3, .modelo-item h3, .intervencion-item h3, .portafolio-item h3 { color: var(--teal); margin-bottom: 10px; font-size: 1rem; }
.plataforma-item p, .modelo-item p, .intervencion-item p, .portafolio-item p { font-size: 13px; }
.metrica h3 { font-size: 2.5rem; color: var(--dorado); }

/* ================= SECTORES ================= */
.sectores { background: var(--teal); overflow: hidden; padding: 50px 0; max-width: 100vw; }
.sectores h2 { color: white; text-align: center; }
.sectores-wrapper { overflow: hidden; }
.sectores-track { display: flex; width: max-content; animation: scrollSectores 35s linear infinite; }
.sectores-wrapper:hover .sectores-track { animation-play-state: paused; }
@keyframes scrollSectores { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.sector { padding: 15px 40px; margin-right: 20px; border-radius: 30px; background: rgba(255,255,255,0.15); color: white; font-weight: 600; white-space: nowrap; }
.sector:hover { background: var(--dorado); color: #1A1A1A; }

/* ================= CLIENTES ================= */
.clientes { background: white; padding: 50px 0; overflow: hidden; max-width: 100vw; }
.clientes h2 { color: var(--teal); }
.clientes-wrapper { overflow: hidden; }
.clientes-track { display: flex; gap: 60px; animation: scrollClientes 50s linear infinite; width: max-content; }
.clientes-wrapper:hover .clientes-track { animation-play-state: paused; }
.clientes-track img { height: 80px; object-fit: contain; }
@keyframes scrollClientes { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ================= VIDEO ================= */
.video-container { background: linear-gradient(135deg, #1A1A1A, #0A4A5B); border: 2px solid var(--dorado); border-radius: 12px; padding: 25px; text-align: center; margin: 30px 10px; max-width: 100%; }
.video-container h3 { color: var(--dorado); }
.video-container video { max-width: 100%; border-radius: 8px; }

/* ================= CONTACTO ================= */
form { max-width: 600px; margin: 30px auto; display: flex; flex-direction: column; gap: 15px; padding: 0 10px; }
form input, form textarea { padding: 14px; border-radius: 8px; border: 1px solid #ddd; background: white; color: #333; font-size: 14px; font-family: 'Poppins', sans-serif; width: 100%; }
form textarea { min-height: 120px; }

/* ================= MODAL LOGIN ================= */
.modal { display: none; position: fixed; z-index: 2000; left: 0; top: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.85); }
.modal-contenido { background: #1A1A1A; margin: 5% auto; padding: 25px; border-radius: 10px; max-width: 350px; border-top: 4px solid var(--dorado); color: white; }
.cerrar-modal { position: absolute; right: 10px; top: 5px; font-size: 24px; color: var(--dorado); cursor: pointer; }

/* ================= REGISTRO FOTOGRÁFICO ================= */
.galeria-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; margin-bottom: 20px; padding: 0 10px; }
.galeria-item { position: relative; border-radius: 10px; overflow: hidden; border: 1px solid #ddd; }
.galeria-item img { width: 100%; height: 100%; object-fit: cover; }
.btn-eliminar-foto { position: absolute; top: 8px; right: 8px; background: rgba(255,0,0,0.8); color: white; border: none; border-radius: 50%; width: 30px; height: 30px; cursor: pointer; font-weight: bold; z-index: 10; }

/* ================= ANIMACIONES ================= */
.hidden { opacity: 0; transform: translateY(40px); transition: opacity 0.6s ease, transform 0.6s ease; }
.show { opacity: 1; transform: translateY(0); }

/* ================= WHATSAPP FLOTANTE ================= */
.whatsapp-float { position: fixed; bottom: 25px; right: 15px; z-index: 999; display: flex; align-items: center; gap: 10px; }
.whatsapp-btn { background: #25D366; color: white; width: 60px; height: 60px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 32px; text-decoration: none; box-shadow: 0 4px 20px rgba(37,211,102,0.4); transition: all 0.3s; animation: pulse 2s infinite; }
.whatsapp-btn:hover { transform: scale(1.1); }
.whatsapp-text { background: white; color: #333; padding: 10px 18px; border-radius: 25px; font-size: 13px; font-weight: 600; box-shadow: 0 2px 15px rgba(0,0,0,0.1); white-space: nowrap; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(37,211,102,0.5); } 70% { box-shadow: 0 0 0 15px rgba(37,211,102,0); } 100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); } }

/* ================= FOOTER ================= */
footer { margin: 0 !important; padding: 15px 10px !important; background: #ffffff !important; max-width: 100vw; }

/* ================= RESPONSIVE ================= */
@media (max-width: 900px) {
    .plataforma-grid, .impacto-metricas, .modelo-grid, .portafolio-grid { grid-template-columns: repeat(2, 1fr); }
    .intervencion-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .header { height: auto !important; padding: 10px 0 !important; }
    .header .nav { flex-direction: column; gap: 8px; }
    .header .logo { width: 160px !important; margin-top: 0 !important; }
    .header nav { justify-content: center; }
    .header nav a { font-size: 11px; padding: 5px 8px; }
    .header .info-usuario { margin-top: 5px; }
    .hero { padding: 40px 10px; }
    .hero h1 { font-size: 1.5rem; }
    .hero-main, .hero-plus { font-size: 13px; }
    h2 { font-size: 1.3rem; }
    section { padding: 25px 0 !important; }
    .container { padding: 0 8px; }
    .whatsapp-text { display: none; }
    .whatsapp-btn { width: 50px; height: 50px; font-size: 26px; }
    #btn-volver-arriba { bottom: 75px; right: 10px; width: 40px; height: 40px; font-size: 18px; }
    .intervencion-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
    .plataforma-grid, .impacto-metricas, .modelo-grid, .portafolio-grid { grid-template-columns: 1fr; gap: 10px; padding: 0 5px; }
    .hero h1 { font-size: 1.3rem; }
    h2 { font-size: 1.2rem; }
    .galeria-grid { grid-template-columns: 1fr; padding: 0 5px; }
    .plataforma-item, .metrica, .modelo-item, .intervencion-item, .portafolio-item { padding: 15px 10px; }
    .plataforma-item h3, .modelo-item h3, .intervencion-item h3, .portafolio-item h3 { font-size: 0.9rem; }
    .plataforma-item p, .modelo-item p, .intervencion-item p, .portafolio-item p { font-size: 12px; }
    .metrica h3 { font-size: 2rem; }
}