/* ============================================
   LA NUEVA INDUSTRIAL - UNIFIED STYLES
   Sistema unificado basado en design-system.css
   ============================================ */

/* ===== HEADER ===== */
.lni-header {
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    width: 100%;
}

.lni-header__inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 1.25rem var(--container-padding);
}

.lni-nav a {
    letter-spacing: var(--tracking-wide);
    font-weight: var(--font-medium);
    transition: color var(--transition-base);
    text-transform: uppercase;
    font-size: var(--text-sm);
}

.lni-nav a:hover {
    color: var(--color-primary);
}

.lni-cta {
    background: var(--color-primary);
    color: var(--color-white);
    padding: 0.75rem 2rem;
    border-radius: var(--radius-md);
    font-weight: var(--font-semibold);
    letter-spacing: var(--tracking-wide);
    transition: all var(--transition-base);
    text-transform: uppercase;
    font-size: var(--text-sm);
}

.lni-cta:hover {
    background: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-primary);
}

.lni-bar {
    height: 8px;
    background: var(--color-primary);
    width: 100%;
}

/* ===== HERO SECTION ===== */
.lni-hero {
    background: var(--bg-white);
    width: 100%;
}

.lni-hero__inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 4rem var(--container-padding);
}

.lni-hero__content h1 {
    font-family: var(--font-display);
    color: var(--color-neutral-900);
    line-height: var(--leading-tight);
}

.lni-hero__content p {
    color: var(--color-neutral-600);
    line-height: var(--leading-relaxed);
    font-size: var(--text-lg);
}

.lni-hero__content .btn {
    font-size: 1rem;
}

.lni-hero__media img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-2xl);
    object-fit: cover;
}

/* ===== CATALOG SECTION ===== */
.lni-catalog {
    position: relative;
    overflow: hidden;
    padding: var(--space-24) 0;
}

.lni-catalog-header {
    text-align: center;
    margin-bottom: var(--space-16);
    padding-top: var(--space-8);
}

.lni-catalog-header h2 {
    font-family: var(--font-display);
    font-size: var(--text-5xl);
    line-height: var(--leading-snug);
    color: var(--color-neutral-900);
    margin-top: var(--space-6);
    font-weight: var(--font-normal);
}

.lni-catalog-header p {
    color: var(--color-neutral-600);
    margin-top: var(--space-6);
    max-width: 42rem;
    margin-left: auto;
    margin-right: auto;
    line-height: var(--leading-relaxed);
    font-size: var(--text-lg);
}

/* Catalog Tabs */
.lni-catalog-tabs {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-16);
    margin-top: var(--space-2);
    flex-wrap: wrap;
}

.lni-catalog-tab {
    padding: 0.875rem 2rem;
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: var(--border-width-thick) solid rgba(180, 180, 180, 0.3);
    color: var(--color-neutral-700);
    box-shadow: var(--shadow-lg);
}

.lni-catalog-tab:hover {
    background: var(--color-white);
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.lni-catalog-tab.active {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-primary);
    transform: translateY(-1px);
}

/* Product Cards */
.lni-catalog .card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition-base);
    border: var(--border-width) solid rgba(180, 180, 180, 0.25);
    box-shadow: var(--shadow-md);
}

.lni-catalog .card:hover {
    background: var(--color-white);
    transform: translateY(-6px);
    box-shadow: var(--shadow-2xl);
    border-color: rgba(0, 0, 128, 0.2);
}

/* CTA Button in Catalog */
.lni-catalog-cta {
    display: inline-flex;
    align-items: center;
    padding: 1rem 2rem;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: var(--border-width-heavy) solid var(--color-primary);
    color: var(--color-primary);
    font-weight: var(--font-medium);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    font-size: var(--text-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.lni-catalog-cta:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
}

/* ===== SECTION HEADER (Reusable) ===== */
.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
}

.section-header-left {
    text-align: left;
    margin-bottom: var(--space-12);
}

.section-header h2 {
    font-family: var(--font-display);
    font-size: var(--text-5xl);
    line-height: var(--leading-snug);
    margin-top: var(--space-6);
}

.section-header p {
    margin-top: var(--space-6);
    max-width: 42rem;
    margin-left: auto;
    margin-right: auto;
    line-height: var(--leading-relaxed);
    font-size: var(--text-lg);
}

.section-header-left p {
    margin-left: 0;
}

/* ===== PROCESS STEPS ===== */
.process-step {
    display: flex;
    gap: var(--space-6);
}

.process-number {
    flex-shrink: 0;
    width: 3rem;
    height: 3rem;
    background: #00003e;
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    border-radius: var(--radius-sm);
}

.bg-blue .process-number,
.bg-black .process-number {
    background: var(--color-white);
    color: var(--color-neutral-900);
}

.process-content h3 {
    font-weight: var(--font-medium);
    font-size: 1.3125rem;
    margin-bottom: var(--space-2);
}

.process-content p {
    color: var(--color-neutral-600);
    line-height: var(--leading-relaxed);
}

.bg-blue .process-content p,
.bg-black .process-content p {
    color: var(--color-neutral-300);
}

/* ===== BRANDS/LOGOS ===== */
.brands-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: var(--space-12);
}

.brand-label {
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: var(--tracking-widest);
    color: var(--color-neutral-500);
}

.brand-name {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    color: var(--color-white);
}

/* Mobile brands grid layout */
.brands-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    align-items: center;
    width: 100%;
}

.brands-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-6);
    flex-wrap: nowrap;
}

.brands-grid .brand-name {
    font-size: var(--text-lg);
    letter-spacing: 0.03em;
    white-space: nowrap;
    font-weight: 400;
}

.brand-divider {
    width: 1px;
    height: 1.5em;
    background: rgba(255, 255, 255, 0.25);
    flex-shrink: 0;
}

/* Desktop: revert to original flex layout */
@media (min-width: 1024px) {
    .brands-grid {
        display: contents;
    }
    
    .brands-row {
        display: contents;
    }
    
    .brands-grid .brand-name {
        font-size: var(--text-2xl);
        letter-spacing: normal;
    }
    
    .brand-divider {
        display: none;
    }
}

/* ===== FORMS ===== */
.form-group {
    margin-bottom: var(--space-6);
}

.form-label {
    display: block;
    font-weight: var(--font-medium);
    margin-bottom: var(--space-2);
    color: var(--color-neutral-900);
    font-size: var(--text-sm);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.875rem 1rem;
    border: var(--border-width) solid var(--color-neutral-300);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    transition: all var(--transition-base);
    background: var(--color-white);
    color: var(--color-neutral-900);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-neutral-400);
}

.form-error {
    color: #dc2626;
    font-size: var(--text-sm);
    margin-top: var(--space-2);
}

.form-input.error,
.form-textarea.error,
.form-select.error {
    border-color: #dc2626;
}

/* Dark backgrounds */
.bg-blue .form-label,
.bg-black .form-label {
    color: var(--color-white);
}

.bg-blue .form-input,
.bg-blue .form-textarea,
.bg-blue .form-select,
.bg-black .form-input,
.bg-black .form-textarea,
.bg-black .form-select {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--color-white);
}

.bg-blue .form-input::placeholder,
.bg-blue .form-textarea::placeholder,
.bg-black .form-input::placeholder,
.bg-black .form-textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

/* ===== WHATSAPP FLOATING BUTTON ===== */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    z-index: var(--z-fixed);
    transition: all var(--transition-base);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
    fill: white;
}

/* ===== RESPONSIVE ===== */
@media (min-width: 1024px) {
    .lni-hero__inner {
        padding: 6rem var(--container-padding);
    }
    
    .lni-catalog-header h2 {
        font-size: var(--text-6xl);
    }
    
    .section-header h2 {
        font-size: var(--text-6xl);
    }
}

@media (max-width: 992px) {
    .lni-header__inner {
        padding: 1rem var(--container-padding);
    }
    
    .lni-hero__inner {
        padding: 3rem var(--container-padding);
    }
    
    .lni-hero__content h1 {
        font-size: var(--text-4xl);
    }
    
    .lni-hero__media img {
        height: 400px;
        margin-top: var(--space-8);
    }
}

@media (max-width: 768px) {
    .lni-catalog-header h2 {
        font-size: var(--text-3xl);
    }
    
    .section-header h2 {
        font-size: var(--text-3xl);
    }
    
    .lni-catalog-tabs {
        gap: var(--space-2);
    }
    
    .lni-catalog-tab {
        padding: 0.625rem 1.25rem;
        font-size: 0.8125rem;
    }
    
    .whatsapp-float {
        bottom: 1rem;
        right: 1rem;
        width: 50px;
        height: 50px;
    }
    
    .whatsapp-float svg {
        width: 26px;
        height: 26px;
    }
}

@media (max-width: 480px) {
    .lni-hero__content h1 {
        font-size: var(--text-2xl);
    }
    
    .lni-hero__media img {
        height: 300px;
    }
}

/* ===== UTILITY CLASSES ===== */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.mt-auto {
    margin-top: auto;
}

.mb-auto {
    margin-bottom: auto;
}

.w-full {
    width: 100%;
}

.max-w-full {
    max-width: 100%;
}

.overflow-hidden {
    overflow: hidden;
}

.relative {
    position: relative;
}

.absolute {
    position: absolute;
}

.flex {
    display: flex;
}

.grid {
    display: grid;
}

.gap-4 {
    gap: var(--space-4);
}

.gap-6 {
    gap: var(--space-6);
}

.gap-8 {
    gap: var(--space-8);
}

.gap-12 {
    gap: var(--space-12);
}

.items-center {
    align-items: center;
}

.justify-center {
    justify-content: center;
}

.justify-between {
    justify-content: space-between;
}