/* ===========================================
   RESPONSIVE GLOBAL STYLES
   Evita overflow y adapta toda la web
   =========================================== */

/* Base: Prevenir overflow horizontal */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    overflow-x: hidden;
    width: 100%;
}

body {
    overflow-x: hidden;
    width: 100%;
    position: relative;
}

/* Contenedores: Evitar que se salgan */
.container {
    max-width: 100%;
    width: 100%;
    padding-left: clamp(16px, 4vw, 24px);
    padding-right: clamp(16px, 4vw, 24px);
}

@media (min-width: 1200px) {
    .container {
        max-width: 1200px;
        margin-left: auto;
        margin-right: auto;
    }
}

/* Imágenes responsivas */
img, video, iframe, embed {
    max-width: 100%;
    height: auto;
}

/* Tablas responsivas */
table {
    max-width: 100%;
    overflow-x: auto;
    display: block;
}

@media (max-width: 768px) {
    table {
        font-size: 0.9rem;
    }
}

/* ===========================================
   TYPOGRAPHY RESPONSIVE
   =========================================== */

/* Headings escalados */
h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    line-height: 1.2;
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    line-height: 1.3;
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.8rem);
    line-height: 1.4;
}

h4 {
    font-size: clamp(1.1rem, 2.5vw, 1.4rem);
}

h5 {
    font-size: clamp(1rem, 2vw, 1.2rem);
}

h6 {
    font-size: clamp(0.95rem, 1.8vw, 1.1rem);
}

/* Body text responsive */
p, li, td, th {
    font-size: clamp(0.95rem, 1.5vw, 1.05rem);
    line-height: 1.6;
}

/* Buttons responsive */
.btn, button, a.btn {
    padding: clamp(8px, 1.5vw, 12px) clamp(16px, 3vw, 24px);
    font-size: clamp(0.9rem, 1.5vw, 1rem);
}

/* ===========================================
   SPACING SYSTEM RESPONSIVE
   =========================================== */

/* Sections padding */
section {
    padding-top: clamp(40px, 8vw, 90px);
    padding-bottom: clamp(40px, 8vw, 90px);
}

section.hero {
    padding-top: clamp(100px, 15vw, 150px);
    padding-bottom: clamp(60px, 10vw, 90px);
}

/* Gap system */
.gap-sm { gap: clamp(8px, 1.5vw, 12px); }
.gap-md { gap: clamp(12px, 2vw, 18px); }
.gap-lg { gap: clamp(18px, 3vw, 24px); }
.gap-xl { gap: clamp(24px, 4vw, 32px); }

/* ===========================================
   GRID RESPONSIVE
   =========================================== */

/* Grids auto-responsive */
.grid-auto-fit {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr));
    gap: clamp(16px, 2.5vw, 24px);
}

.grid-2-cols {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
    gap: clamp(18px, 3vw, 28px);
}

.grid-3-cols {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr));
    gap: clamp(16px, 2.5vw, 20px);
}

.grid-4-cols {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr));
    gap: clamp(14px, 2vw, 18px);
}

/* ===========================================
   BREAKPOINTS: 1200px Desktop
   =========================================== */

@media (max-width: 1200px) {
    .container {
        max-width: 100%;
        padding-left: 24px;
        padding-right: 24px;
    }
    
    /* Reduce grid gaps */
    .services-grid,
    .pillars-grid,
    .process-steps {
        gap: 16px;
    }
}

/* ===========================================
   BREAKPOINTS: 980px Tablet Large
   =========================================== */

@media (max-width: 980px) {
    /* Forzar grids a single column */
    .hero-grid,
    .showcase-grid,
    .about-content {
        grid-template-columns: 1fr !important;
        gap: 24px;
    }
    
    /* Reduce section padding */
    section {
        padding-top: 60px;
        padding-bottom: 60px;
    }
    
    section.hero {
        padding-top: 120px;
        padding-bottom: 70px;
    }
}

/* ===========================================
   BREAKPOINTS: 768px Tablet
   =========================================== */

@media (max-width: 768px) {
    .container {
        padding-left: 18px;
        padding-right: 18px;
    }
    
    /* Navigation mobile */
    .nav-menu {
        display: none !important;
    }
    
    /* Forms */
    input, textarea, select {
        font-size: 16px; /* Prevent zoom on iOS */
    }
    
    /* Cards más compactos */
    .card, .service-card, .pillar-card {
        padding: 16px;
    }
    
    /* Botones full-width en mobile pequeño */
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-actions .btn {
        width: 100%;
        text-align: center;
    }
    
    /* Tables scroll horizontal */
    table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
}

/* ===========================================
   BREAKPOINTS: 600px Mobile Large
   =========================================== */

@media (max-width: 600px) {
    .container {
        padding-left: 16px;
        padding-right: 16px;
    }
    
    /* Reduce all gaps */
    .grid-auto-fit,
    .grid-2-cols,
    .grid-3-cols,
    .grid-4-cols {
        gap: 14px;
    }
    
    section {
        padding-top: 50px;
        padding-bottom: 50px;
    }
    
    section.hero {
        padding-top: 100px;
        padding-bottom: 60px;
    }
    
    /* Modals full screen en mobile */
    .modal-card, .modal-content {
        max-width: 95vw !important;
        max-height: 90vh !important;
        overflow-y: auto;
    }
}

/* ===========================================
   BREAKPOINTS: 480px Mobile Small
   =========================================== */

@media (max-width: 480px) {
    .container {
        padding-left: 14px;
        padding-right: 14px;
    }
    
    /* Typography más compacto */
    h1 { font-size: 2rem; }
    h2 { font-size: 1.6rem; }
    h3 { font-size: 1.3rem; }
    
    /* Buttons más compactos */
    .btn {
        padding: 10px 18px;
        font-size: 0.95rem;
    }
    
    /* Reduce todo el spacing */
    section {
        padding-top: 40px;
        padding-bottom: 40px;
    }
    
    section.hero {
        padding-top: 90px;
        padding-bottom: 50px;
    }
    
    /* Grids a 1 columna si es necesario */
    .services-grid,
    .certificaciones-grid,
    .carousel-track {
        grid-template-columns: repeat(auto-fit, minmax(min(100%, 130px), 1fr));
        gap: 12px;
    }
}

/* ===========================================
   UTILITY CLASSES
   =========================================== */

/* Ocultar en mobile */
.hide-mobile {
    display: block;
}

@media (max-width: 768px) {
    .hide-mobile {
        display: none !important;
    }
}

/* Mostrar solo en mobile */
.show-mobile {
    display: none;
}

@media (max-width: 768px) {
    .show-mobile {
        display: block !important;
    }
}

/* Text utilities */
.text-center-mobile {
    text-align: left;
}

@media (max-width: 768px) {
    .text-center-mobile {
        text-align: center !important;
    }
}

/* Flex utilities responsive */
.flex-wrap {
    flex-wrap: wrap;
}

.flex-column-mobile {
    display: flex;
}

@media (max-width: 768px) {
    .flex-column-mobile {
        flex-direction: column !important;
    }
}

/* Width utilities */
.w-100-mobile {
    width: auto;
}

@media (max-width: 768px) {
    .w-100-mobile {
        width: 100% !important;
    }
}

/* ===========================================
   SCROLL SMOOTH
   =========================================== */

html {
    scroll-behavior: smooth;
}

/* Prevent horizontal scroll bounce en iOS */
body {
    overscroll-behavior-x: none;
}

/* ===========================================
   ACCESSIBILITY
   =========================================== */

/* Focus visible para teclado */
*:focus-visible {
    outline: 2px solid var(--primary-color, #ffd700);
    outline-offset: 2px;
}

/* Mejora tap targets en mobile */
@media (max-width: 768px) {
    a, button, input[type="submit"], input[type="button"] {
        min-height: 44px;
        min-width: 44px;
    }
}