/* ========================================
   TEXTILPRO - ESTILOS GLOBALES
   ======================================== */

/* Reset y Variables */
:root {
  --color-primary: #000000;
  --color-secondary: #1a1a1a;
  --color-accent: #000000;
  --color-accent-hover: #333333;
  --color-white: #ffffff;
  --color-gray-light: #f7f7f7;
  --color-gray: #6b7280;
  --color-gray-dark: #404040;
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;
  --max-width: 1200px;
  --border-radius: 10px;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-primary);
  background-color: var(--color-white);
}

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

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ========================================
   TIPOGRAFÍA
   ======================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  margin-bottom: 0.75rem;
}

p {
  margin-bottom: 1rem;
  color: var(--color-gray-dark);
}

/* ========================================
   BOTONES
   ======================================== */

.btn {
  display: inline-block;
  padding: 14px 32px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-align: center;
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-white);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-white);
  border: 2px solid var(--color-white);
}

.btn-secondary:hover {
  background-color: var(--color-white);
  color: var(--color-primary);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* ========================================
   HEADER / NAVBAR
   ======================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: var(--color-white);
  box-shadow: var(--shadow);
  z-index: 1000;
  transition: var(--transition);
}

.header.scrolled {
  background-color: rgba(255, 255, 255, 0.98);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-weight: 500;
  color: var(--color-gray-dark);
  transition: var(--transition);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: var(--transition);
}

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

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
}

.nav-cta {
  padding: 10px 24px;
  font-size: 0.9rem;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
}

.hamburger span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--color-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-primary);
  z-index: 999;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.mobile-menu.active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu a {
  color: var(--color-white);
  font-size: 1.5rem;
  font-weight: 600;
}

.mobile-menu .btn-primary {
  margin-top: 1rem;
}

.close-menu {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-size: 2rem;
  color: var(--color-white);
  cursor: pointer;
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: linear-gradient(rgba(15, 23, 42, 0.85), rgba(15, 23, 42, 0.85)),
              url('https://images.unsplash.com/photo-1558171813-4c088753af8f?w=1920&q=80') center/cover no-repeat;
  padding-top: 80px;
}

.hero-content {
  max-width: 700px;
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ========================================
   SECTION STYLES
   ======================================== */

.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header p {
  max-width: 600px;
  margin: 0 auto;
  color: var(--color-gray);
}

.section-gray {
  background-color: var(--color-gray-light);
}

/* ========================================
   BENEFITS SECTION
   ======================================== */

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.benefit-card {
  text-align: center;
  padding: 2rem;
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.benefit-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.benefit-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(0, 0, 0, 0.08);
  border-radius: 50%;
}

.benefit-icon svg {
  width: 32px;
  height: 32px;
  color: var(--color-accent);
}

.benefit-card h3 {
  margin-bottom: 0.5rem;
}

.benefit-card p {
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* ========================================
   ABOUT PREVIEW SECTION
   ======================================== */

.about-preview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-preview-image {
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-preview-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.about-preview-content h2 {
  margin-bottom: 1.5rem;
}

.about-preview-content p {
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 2rem;
}

/* ========================================
   SERVICES CARDS
   ======================================== */

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.service-card {
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.service-card-image {
  height: 220px;
  overflow: hidden;
}

.service-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.service-card:hover .service-card-image img {
  transform: scale(1.1);
}

.service-card-content {
  padding: 1.5rem;
}

.service-card-content h3 {
  margin-bottom: 0.75rem;
}

.service-card-content p {
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* ========================================
   CTA BANNER
   ======================================== */

.cta-banner {
  background-color: var(--color-primary);
  padding: 80px 0;
  text-align: center;
}

.cta-banner h2 {
  color: var(--color-white);
  margin-bottom: 1.5rem;
}

.cta-banner .btn {
  background-color: var(--color-white);
  color: var(--color-primary);
}

.cta-banner .btn:hover {
  background-color: var(--color-gray-light);
  color: var(--color-primary);
}

/* ========================================
   PAGE HEADER
   ======================================== */

.page-header {
  min-height: 350px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  background: linear-gradient(rgba(15, 23, 42, 0.85), rgba(15, 23, 42, 0.85)),
              url('https://images.unsplash.com/photo-1558171813-4c088753af8f?w=1920&q=80') center/cover no-repeat;
  padding-top: 80px;
}

.page-header h1 {
  color: var(--color-white);
}

.page-header p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.2rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ========================================
   ABOUT PAGE STYLES
   ======================================== */

.history-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.history-image {
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.history-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.history-content h2 {
  margin-bottom: 1.5rem;
}

.history-content p {
  font-size: 1.05rem;
  line-height: 1.8;
}

/* Mission, Vision, Values */
.mvv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.mvv-card {
  background-color: var(--color-white);
  padding: 2.5rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  text-align: center;
  transition: var(--transition);
}

.mvv-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.mvv-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(0, 0, 0, 0.08);
  border-radius: 50%;
}

.mvv-icon svg {
  width: 36px;
  height: 36px;
  color: var(--color-accent);
}

.mvv-card h3 {
  margin-bottom: 1rem;
}

.values-list {
  text-align: left;
  padding-left: 1.5rem;
}

.values-list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--color-gray-dark);
}

.values-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: bold;
}

/* Process Steps */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 50px;
  left: 10%;
  right: 10%;
  height: 3px;
  background-color: var(--color-gray-light);
  z-index: 0;
}

.process-step {
  text-align: center;
  position: relative;
  z-index: 1;
}

.step-number {
  width: 100px;
  height: 100px;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-white);
  border: 3px solid var(--color-accent);
  border-radius: 50%;
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
  transition: var(--transition);
}

.process-step:hover .step-number {
  background-color: var(--color-accent);
  color: var(--color-white);
}

.process-step h3 {
  margin-bottom: 0.5rem;
}

.process-step p {
  font-size: 0.95rem;
}

/* ========================================
   SERVICES PAGE STYLES
   ======================================== */

.service-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding: 80px 0;
  border-bottom: 1px solid var(--color-gray-light);
}

.service-block:last-child {
  border-bottom: none;
}

.service-block.reverse {
  direction: rtl;
}

.service-block.reverse > * {
  direction: ltr;
}

.service-block-image {
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.service-block-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.service-block-content h2 {
  margin-bottom: 1.5rem;
}

.service-block-content p {
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.service-list {
  margin-bottom: 1.5rem;
}

.service-list li {
  position: relative;
  padding-left: 2rem;
  margin-bottom: 0.75rem;
  color: var(--color-gray-dark);
}

.service-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 10px;
  height: 10px;
  background-color: var(--color-accent);
  border-radius: 50%;
}

/* FAQ Accordion */
.faq-section {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  margin-bottom: 1rem;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 1.5rem;
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

.faq-question:hover {
  background-color: var(--color-gray-light);
}

.faq-question svg {
  width: 24px;
  height: 24px;
  transition: var(--transition);
}

.faq-item.active .faq-question svg {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer-content {
  padding: 0 1.5rem 1.5rem;
  color: var(--color-gray-dark);
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

/* ========================================
   GALLERY PAGE STYLES
   ======================================== */

.filter-bar {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 12px 28px;
  background-color: var(--color-white);
  border: 2px solid var(--color-gray-light);
  border-radius: 50px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-gray-dark);
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.gallery-item {
  position: relative;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  aspect-ratio: 4/3;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.9), transparent);
  display: flex;
  align-items: flex-end;
  padding: 1.5rem;
  opacity: 0;
  transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-overlay span {
  color: var(--color-white);
  font-weight: 600;
  font-size: 1.1rem;
}

/* ========================================
   CONTACT PAGE STYLES
   ======================================== */

.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
}

.contact-form {
  background-color: var(--color-white);
  padding: 3rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--color-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid var(--color-gray-light);
  border-radius: var(--border-radius);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.contact-form .btn {
  width: 100%;
  padding: 16px;
  font-size: 1.1rem;
}

.contact-info h3 {
  margin-bottom: 2rem;
}

.info-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.info-icon {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(0, 0, 0, 0.08);
  border-radius: 50%;
  flex-shrink: 0;
}

.info-icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-accent);
}

.info-content h4 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.info-content p {
  margin-bottom: 0;
  color: var(--color-gray);
}

.map-container {
  margin-top: 3rem;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.map-container iframe {
  width: 100%;
  height: 300px;
  border: none;
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 4rem;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo {
  color: var(--color-white);
  margin-bottom: 1.5rem;
  display: inline-block;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
}

.footer h4 {
  color: var(--color-white);
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--color-white);
  padding-left: 5px;
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
  color: rgba(255, 255, 255, 0.7);
}

.footer-contact svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-bottom {
  padding: 25px 0;
  text-align: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* ========================================
   ANIMATIONS
   ======================================== */

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 1024px) {
  .benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .mvv-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .process-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
  }

  .process-steps::before {
    display: none;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .mobile-menu {
    display: flex;
  }

  .hero {
    text-align: center;
  }

  .hero-content {
    max-width: 100%;
  }

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

  .benefits-grid {
    grid-template-columns: 1fr;
  }

  .about-preview {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .about-preview-image {
    order: -1;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .history-section {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .history-image {
    order: -1;
  }

  .process-steps {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .service-block {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .service-block.reverse {
    direction: ltr;
  }

  .service-block-image {
    order: -1;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    text-align: center;
  }

  .footer-contact li {
    justify-content: center;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .btn {
    padding: 12px 24px;
    font-size: 0.95rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero-buttons .btn {
    width: 100%;
  }

  .filter-bar {
    flex-direction: column;
    align-items: center;
  }

  .filter-btn {
    width: 100%;
    max-width: 250px;
  }

  .contact-form {
    padding: 2rem;
  }
}