/* ==========================================================================
   DESIGN SYSTEM - CALIFORNIA VERTICAL (PREMIUM B2B STYLING)
   ========================================================================== */

:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #121212;
    --bg-card: rgba(26, 26, 26, 0.6);
    --bg-card-hover: rgba(38, 38, 38, 0.9);
    --accent-green: #7ab800;
    --accent-green-glow: rgba(122, 184, 0, 0.35);
    --accent-blue: #0088cc;
    --text-primary: #ffffff;
    --text-secondary: #a3a3a3;
    --border-color: rgba(255, 255, 255, 0.08);
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Lato', sans-serif;
    --max-width: 1200px;
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset de estilos */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
}

body {
    overflow-x: hidden;
    line-height: 1.6;
    background-color: var(--bg-primary);
}

/* Tipografía */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-primary);
    font-weight: 700;
    letter-spacing: -0.02em;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-smooth);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Utilidades de Diseño */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 30px;
}

section {
    padding: 140px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-tag {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent-green);
    letter-spacing: 0.25em;
    text-transform: uppercase;
    display: block;
    margin-bottom: 15px;
}

.section-title {
    font-size: 2.8rem;
    text-transform: uppercase;
    font-weight: 800;
    line-height: 1.2;
}

.accent-bar {
    width: 60px;
    height: 4px;
    background-color: var(--accent-green);
    margin: 25px auto 0 auto;
    border-radius: 2px;
    box-shadow: 0 0 10px var(--accent-green-glow);
}

/* ==========================================================================
   CABECERA (HEADER)
   ========================================================================== */
#site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition-smooth);
    background-color: rgba(10, 10, 10, 0.4);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

#site-header.scrolled {
    padding: 12px 0;
    background-color: rgba(10, 10, 10, 0.95);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 30px;
}

.logo-link {
    display: flex;
    align-items: center;
}

.logo {
    height: 52px;
    width: auto;
    transition: var(--transition-smooth);
}

.nav-menu ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-secondary);
    padding: 8px 0;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: #fff;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-green);
    transition: var(--transition-smooth);
    box-shadow: 0 0 8px var(--accent-green-glow);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Menú móvil */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
    padding: 5px;
    z-index: 1100;
}

.mobile-menu-toggle .bar {
    width: 25px;
    height: 2px;
    background-color: #fff;
    transition: var(--transition-smooth);
}

/* ==========================================================================
   SECCIÓN: HERO (START)
   ========================================================================== */
#start {
    min-height: 100vh;
    padding-top: 120px;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

#start::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(122, 184, 0, 0.05) 0%, rgba(10, 10, 10, 0) 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 900px;
    padding: 40px 20px;
}

.hero-logo-wrapper {
    margin-bottom: 40px;
    display: flex;
    justify-content: center;
    animation: fadeInUp 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-logo {
    max-height: 160px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 10px 20px rgba(0,0,0,0.5));
}

.hero-title {
    font-size: 3.8rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 30px;
    text-transform: uppercase;
    animation: fadeInUp 1.2s cubic-bezier(0.16, 1, 0.3, 1) 0.2s both;
}

.hero-desc {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 50px auto;
    line-height: 1.8;
    animation: fadeInUp 1.2s cubic-bezier(0.16, 1, 0.3, 1) 0.4s both;
}

.hero-btn {
    display: inline-block;
    padding: 18px 45px;
    background-color: var(--accent-green);
    color: #000;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    border-radius: 4px;
    box-shadow: 0 10px 25px var(--accent-green-glow);
    animation: fadeInUp 1.2s cubic-bezier(0.16, 1, 0.3, 1) 0.6s both;
}

.hero-btn:hover {
    background-color: #ffffff;
    color: #000000;
    box-shadow: 0 15px 30px rgba(255, 255, 255, 0.25);
    transform: translateY(-3px);
}

/* ==========================================================================
   SECCIÓN: ABOUT (CON TARJETAS DE PILARES PDF)
   ========================================================================== */
#about {
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
}

.about-intro-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
}

.about-text h3 {
    font-size: 2.2rem;
    line-height: 1.3;
    margin-bottom: 25px;
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.about-text p strong {
    color: #fff;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.feature-item {
    display: flex;
    gap: 20px;
    background-color: rgba(255,255,255,0.02);
    padding: 25px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}

.feature-item:hover {
    background-color: rgba(255,255,255,0.04);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.feature-icon-wrapper {
    color: var(--accent-green);
    flex-shrink: 0;
}

.feature-icon {
    width: 32px;
    height: 32px;
    fill: currentColor;
}

.feature-title {
    font-size: 1.15rem;
    margin-bottom: 8px;
    text-transform: uppercase;
}

.feature-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* Fusión del PDF: Tres Pilares de Producción */
.pillars-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.pillar-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition-smooth);
    backdrop-filter: blur(10px);
}

.pillar-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-green);
    box-shadow: 0 15px 35px rgba(0,0,0,0.5), 0 0 15px var(--accent-green-glow);
    transform: translateY(-10px);
}

.pillar-badge {
    display: inline-block;
    padding: 6px 15px;
    background-color: rgba(122, 184, 0, 0.1);
    color: var(--accent-green);
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    border-radius: 20px;
    text-transform: uppercase;
    margin-bottom: 25px;
}

.pillar-card h4 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    text-transform: uppercase;
}

.pillar-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ==========================================================================
   SECCIÓN NUEVA: EL PROCESO VERTICAL (TIMELINE)
   ========================================================================== */
.process-section {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.timeline-container {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.timeline-container::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 2px;
    background: linear-gradient(180deg, var(--accent-green) 0%, rgba(122,184,0,0.1) 100%);
    transform: translateX(-50%);
}

.timeline-item {
    margin-bottom: 60px;
    position: relative;
    width: 100%;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-item:nth-child(even) {
    left: 50%;
}

.timeline-item:nth-child(odd) {
    width: 50%;
}

.timeline-item:nth-child(even) {
    width: 50%;
}

.timeline-dot {
    position: absolute;
    top: 30px;
    left: 100%;
    width: 20px;
    height: 20px;
    background-color: var(--bg-primary);
    border: 4px solid var(--accent-green);
    border-radius: 50%;
    z-index: 10;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 10px var(--accent-green);
}

.timeline-item:nth-child(even) .timeline-dot {
    left: 0;
}

.timeline-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 35px;
    border-radius: 12px;
    width: 90%;
    margin-left: auto;
    margin-right: 0;
    transition: var(--transition-smooth);
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: 0;
    margin-right: auto;
}

.timeline-content:hover {
    background: var(--bg-card-hover);
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}

.step-num {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    color: rgba(122, 184, 0, 0.15);
    line-height: 1;
    margin-bottom: 10px;
}

.timeline-content h3 {
    font-size: 1.4rem;
    text-transform: uppercase;
    margin-bottom: 15px;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 10px;
}

.timeline-content h3 span {
    font-size: 0.8rem;
    color: var(--accent-green);
    background-color: rgba(122, 184, 0, 0.1);
    padding: 2px 10px;
    border-radius: 20px;
    font-weight: 700;
}

.timeline-content p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ==========================================================================
   SECCIÓN: SERVICES (WORKS)
   ========================================================================== */
#works {
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-bottom: 100px;
}

.service-column {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 50px 40px;
    border-radius: 12px;
    transition: var(--transition-smooth);
}

.service-column:hover {
    background: var(--bg-card-hover);
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
    transform: translateY(-5px);
}

.column-title-wrapper {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 35px;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 20px;
}

.flag-icon {
    width: 32px;
    height: 32px;
}

.column-title {
    font-size: 1.4rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.service-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.service-list li {
    font-size: 1.05rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 15px;
}

.service-list li::before {
    content: '✓';
    color: var(--accent-green);
    font-weight: 900;
    font-size: 1.1rem;
    text-shadow: 0 0 5px var(--accent-green-glow);
}

/* Nueva Sección: Cut and Sew con Fondo Completo */
#cut-and-sew {
    background-image: linear-gradient(rgba(10, 10, 10, 0.9), rgba(10, 10, 10, 0.9)), url('../assets/CUT-S-1.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    border-bottom: 1px solid var(--border-color);
    padding: 120px 0;
}

.sew-content-centered {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.sew-content-centered h3 {
    font-size: 2.2rem;
    margin-bottom: 25px;
    text-transform: uppercase;
}

.sew-content-centered .sew-desc {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.tech-grid-centered {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
    text-align: left;
    margin-top: 30px;
}

.tech-item-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 20px 25px;
    border-radius: 8px;
    font-size: 1rem;
    color: #fff;
    border-left: 4px solid var(--accent-green);
    transition: var(--transition-smooth);
}

.tech-item-card:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* ==========================================================================
   SECCIÓN: FABRIC (TEAM)
   ========================================================================== */
#team {
    background-image: linear-gradient(rgba(10, 10, 10, 0.9), rgba(10, 10, 10, 0.9)), url('../assets/groud.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    border-bottom: 1px solid var(--border-color);
}

.fabric-content {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
}

.fabric-text h3 {
    font-size: 2rem;
    margin-bottom: 35px;
    text-transform: uppercase;
}

.fabric-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.fabric-item-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 25px;
    border-radius: 8px;
    transition: var(--transition-smooth);
}

.fabric-item-card:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.1);
    transform: translateX(5px);
}

.fabric-item-card h4 {
    font-size: 1.15rem;
    color: var(--accent-green);
    margin-bottom: 10px;
    text-transform: uppercase;
}

.fabric-item-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.fabric-specs-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 45px 40px;
    border-radius: 12px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.5);
    backdrop-filter: blur(10px);
}

.fabric-specs-card h3 {
    font-size: 1.4rem;
    margin-bottom: 30px;
    text-transform: uppercase;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 15px;
}

.spec-row {
    display: flex;
    justify-content: space-between;
    padding: 15px 0;
    border-bottom: 1px solid rgba(255,255,255,0.03);
}

.spec-row:last-child {
    border-bottom: none;
}

.spec-label {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.spec-value {
    font-size: 0.95rem;
    color: #fff;
    font-weight: 700;
}

/* ==========================================================================
   SECCIÓN: DESIGN (TESTIMONIALS)
   ========================================================================== */
#testimonials {
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
}

.design-container {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 80px 60px;
    border-radius: 16px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.4);
    position: relative;
}

.design-icon-wrapper {
    color: var(--accent-green);
    margin-bottom: 30px;
    display: inline-block;
}

.design-icon {
    width: 60px;
    height: 60px;
    fill: currentColor;
}

.design-text {
    font-size: 1.4rem;
    line-height: 1.8;
    color: var(--text-primary);
    font-weight: 500;
}

/* ==========================================================================
   SECCIÓN: PRINTING (SERVICES)
   ========================================================================== */
#services {
    background-image: linear-gradient(rgba(10, 10, 10, 0.9), rgba(10, 10, 10, 0.9)), url('../assets/TJ.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    border-bottom: 1px solid var(--border-color);
}

.printing-content-centered {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.printing-content-centered h3 {
    font-size: 2.2rem;
    margin-bottom: 35px;
    text-transform: uppercase;
}

.printing-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 25px;
    text-align: left;
}

.printing-list li {
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid rgba(255, 255, 255, 0.03);
    padding: 25px;
    border-radius: 8px;
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    transition: var(--transition-smooth);
    border-left: 4px solid var(--accent-green);
}

.printing-list li:hover {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.08);
}

.printing-list li strong {
    color: var(--accent-green);
    display: block;
    font-size: 1.1rem;
    text-transform: uppercase;
    margin-bottom: 8px;
}

/* ==========================================================================
   SECCIÓN: LOCATIONS
   ========================================================================== */
#LOCATIONS {
    position: relative;
    background-image: linear-gradient(rgba(18, 18, 18, 0.65), rgba(18, 18, 18, 0.75)), url('../assets/lacationsnew-scaled.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 120px 20px;
    text-align: center;
}

.location-card {
    max-width: 600px;
    margin: 0 auto;
    background: rgba(36, 36, 36, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 50px 40px;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 15px 35px rgba(0,0,0,0.4);
    position: relative;
    z-index: 2;
}

.location-icon-wrapper {
    color: var(--accent-green);
    margin-bottom: 20px;
    display: inline-block;
}

.location-icon {
    width: 48px;
    height: 48px;
    fill: currentColor;
}

.location-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    text-transform: uppercase;
    color: #ffffff;
}

.location-address {
    font-size: 1.15rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

/* ==========================================================================
   SECCIÓN: CONTACT
   ========================================================================== */
#contact {
    background-image: linear-gradient(rgba(10, 10, 10, 0.85), rgba(10, 10, 10, 0.9)), url('../assets/groud-2.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    padding: 120px 20px;
}

.contact-centered {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.contact-text h3 {
    font-size: 2.2rem;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.contact-text p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.phone-badge {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    background-color: var(--bg-card);
    padding: 20px 40px;
    border-radius: 50px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-green);
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 25px var(--accent-green-glow);
    transition: var(--transition-smooth);
}

.phone-badge:hover {
    transform: scale(1.05);
    background-color: #fff;
    color: #000;
    box-shadow: 0 15px 30px rgba(255, 255, 255, 0.2);
}

.phone-icon {
    width: 28px;
    height: 28px;
    fill: currentColor;
}

/* ==========================================================================
   PIE DE PÁGINA (FOOTER CON TARJETAS INTERACTIVAS DE SOCIOS)
   ========================================================================== */
#site-footer {
    background-color: var(--bg-primary);
    padding: 100px 0 40px 0;
    border-top: 1px solid var(--border-color);
}

.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 30px;
}

.footer-contacts {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 40px;
    border-radius: 12px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.contact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--accent-green);
    opacity: 0;
    transition: var(--transition-smooth);
}

.contact-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(255, 255, 255, 0.12);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.contact-card:hover::before {
    opacity: 1;
}

.contact-card h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
    text-transform: uppercase;
}

.contact-card .role {
    font-size: 0.9rem;
    color: var(--accent-green);
    text-transform: uppercase;
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: 0.1em;
    margin-bottom: 25px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-secondary);
    font-size: 1rem;
}

.contact-link:hover {
    color: #fff;
    transform: translateX(3px);
}

.contact-icon {
    width: 20px;
    height: 20px;
    fill: currentColor;
    flex-shrink: 0;
}

.footer-divider {
    border: 0;
    height: 1px;
    background-color: var(--border-color);
    margin-bottom: 40px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #666;
    font-size: 0.9rem;
}

/* Botón Volver Arriba */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: var(--accent-green);
    color: #000;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    z-index: 99;
    box-shadow: 0 5px 15px var(--accent-green-glow);
    transition: var(--transition-smooth);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: #fff;
    color: #000;
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(255, 255, 255, 0.25);
}

.back-to-top svg {
    width: 22px;
    height: 22px;
    fill: currentColor;
}

/* ==========================================================================
   ANIMACIONES
   ========================================================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================================================
   CONSULTAS DE MEDIOS (MEDIA QUERIES) - RESPONSIVO
   ========================================================================== */
@media (max-width: 1024px) {
    .section-title {
        font-size: 2.3rem;
    }
    .hero-title {
        font-size: 3rem;
    }
    .about-intro-grid,
    .fabric-content,
    .sew-showcase,
    .printing-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .sew-content {
        padding: 40px;
    }
    .pillars-grid {
        grid-template-columns: 1fr;
    }
    .timeline-container::before {
        left: 20px;
    }
    .timeline-item {
        width: 100% !important;
        left: 0 !important;
        padding-left: 45px;
    }
    .timeline-dot {
        left: 20px !important;
    }
    .timeline-content {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background-color: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(15px);
        padding: 100px 40px;
        transition: var(--transition-smooth);
        border-left: 1px solid var(--border-color);
    }
    .nav-menu.active {
        right: 0;
    }
    .nav-menu ul {
        flex-direction: column;
        gap: 25px;
    }
    .mobile-menu-toggle {
        display: flex;
    }
    .mobile-menu-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    .mobile-menu-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    .mobile-menu-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    .services-grid,
    .footer-contacts {
        grid-template-columns: 1fr;
    }
    .tech-grid {
        grid-template-columns: 1fr;
    }
}