/* ========================================
   POLLUXIA - Styles
   ======================================== */

/* CSS Variables for theming */
:root {
  /* Colors - Dark Theme (Default) */
  --color-bg-primary: #0B0F29;
  --color-bg-secondary: #1A1F3B;
  --color-accent: #D4AF37;
  --color-text-primary: #FFFFFF;
  --color-text-secondary: #B8BACC;
  --color-border: #2A2F4B;
  
  /* Typography */
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  /* Layout */
  --container-width: 1200px;
  --header-height: 80px;
  
  /* Transitions */
  --transition-speed: 0.3s;
}

/* Light Theme */
body.light-theme {
  --color-bg-primary: #FFFFFF;
  --color-bg-secondary: #F8F9FA;
  --color-text-primary: #0B0F29;
  --color-text-secondary: #5A5E7A;
  --color-border: #E5E7EB;
}

/* ========================================
   Base Styles
   ======================================== */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.6;
  transition: background-color var(--transition-speed), color var(--transition-speed);
}

body.menu-open {
  overflow: hidden;
}

/* ========================================
   Typography
   ======================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-text-primary);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: 1rem;
  color: var(--color-text-secondary);
}

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

/* ========================================
   Container & Layout
   ======================================== */

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

.section {
  padding: var(--spacing-xl) 0;
}

/* ========================================
   Header
   ======================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-border);
  transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.logo {
  height: 40px;
  width: auto;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: var(--spacing-md);
}

.nav-link {
  color: var(--color-text-secondary);
  font-weight: 500;
  transition: color var(--transition-speed);
  position: relative;
}

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-accent);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* Theme Toggle */
.theme-toggle {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-primary);
  transition: color var(--transition-speed);
}

.theme-toggle:hover {
  color: var(--color-accent);
}

.theme-icon {
  width: 20px;
  height: 20px;
}

.sun-icon {
  display: none;
}

.moon-icon {
  display: block;
}

body.light-theme .sun-icon {
  display: block;
}

body.light-theme .moon-icon {
  display: none;
}

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.hamburger span {
  width: 25px;
  height: 2px;
  background-color: var(--color-text-primary);
  transition: all var(--transition-speed);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding-top: var(--header-height);
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
  z-index: -1;
}

.hero-bg::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 20% 30%, rgba(212, 175, 55, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(212, 175, 55, 0.05) 0%, transparent 50%);
  animation: float 15s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  animation: fadeInUp 1s ease-out;
}

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

.hero-title {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-secondary);
}

.hero-cta {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
}

.scroll-indicator span {
  display: block;
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, transparent, var(--color-accent));
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(10px); }
}

/* ========================================
   Buttons
   ======================================== */

.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 1rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition-speed);
  border: none;
  text-align: center;
}

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

.btn-primary:hover {
  background-color: #C4A02A;
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(212, 175, 55, 0.3);
}

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

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

.btn-lg {
  padding: 1rem 2.5rem;
  font-size: 1.125rem;
}

/* ========================================
   Sections
   ======================================== */

.section-title {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

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

.large-text {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

/* Page Header */
.page-header {
  padding: calc(var(--header-height) + var(--spacing-lg)) 0 var(--spacing-md);
  text-align: center;
  background: linear-gradient(135deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
  border-bottom: 1px solid var(--color-border);
}

.page-title {
  margin-bottom: var(--spacing-sm);
  position: relative;
  display: inline-block;
}

.page-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background-color: var(--color-accent);
}

.page-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
}

/* ========================================
   Service Cards
   ======================================== */

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.service-card {
  background-color: var(--color-bg-secondary);
  padding: var(--spacing-md);
  border-radius: 12px;
  border: 1px solid var(--color-border);
  transition: all var(--transition-speed);
}

.service-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-accent);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.service-icon {
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
}

.service-card-title {
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-primary);
}

.service-card-desc {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
}

/* ========================================
   Clients Section
   ======================================== */

.clients-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.client-logo {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 16/9;
  transition: all var(--transition-speed);
}

.client-logo:hover {
  transform: translateY(-5px);
  border-color: var(--color-accent);
}

.client-logo img {
  max-width: 100%;
  height: auto;
  opacity: 0.7;
  transition: opacity var(--transition-speed);
  filter: grayscale(100%);
}

.client-logo:hover img {
  opacity: 1;
  filter: grayscale(0%);
}

/* ========================================
   Testimonials
   ======================================== */

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.testimonial-card {
  background-color: var(--color-bg-secondary);
  padding: var(--spacing-md);
  border-radius: 12px;
  border: 1px solid var(--color-border);
  transition: all var(--transition-speed);
}

.testimonial-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-accent);
}

.testimonial-text {
  font-style: italic;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
  line-height: 1.7;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.author-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent), #B89630);
}

.author-name {
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 0.25rem;
}

.author-position {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

/* ========================================
   CTA Section
   ======================================== */

.cta-section {
  text-align: center;
  background: linear-gradient(135deg, var(--color-bg-secondary), var(--color-bg-primary));
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: var(--spacing-lg) var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.cta-title {
  margin-bottom: var(--spacing-sm);
}

.cta-text {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ========================================
   Content Grid (for Nosotros & Servicios)
   ======================================== */

.content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  align-items: center;
}

.content-grid.reverse {
  direction: rtl;
}

.content-grid.reverse > * {
  direction: ltr;
}

.content-image {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  aspect-ratio: 4/3;
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
}

.content-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.content-text {
  max-width: 600px;
}

/* ========================================
   Values Section
   ======================================== */

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.value-card {
  background-color: var(--color-bg-secondary);
  padding: var(--spacing-md);
  border-radius: 12px;
  border: 1px solid var(--color-border);
  text-align: center;
  transition: all var(--transition-speed);
}

.value-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-accent);
}

.value-icon {
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
  display: flex;
  justify-content: center;
}

.value-title {
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
  font-size: 1.25rem;
}

.value-desc {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
}

/* ========================================
   Tools Section
   ======================================== */

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.tool-item {
  background-color: var(--color-bg-secondary);
  padding: var(--spacing-md);
  border-radius: 12px;
  border: 1px solid var(--color-border);
  text-align: center;
  transition: all var(--transition-speed);
}

.tool-item:hover {
  transform: translateY(-5px);
  border-color: var(--color-accent);
}

.tool-icon {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
  font-family: var(--font-heading);
  margin-bottom: var(--spacing-xs);
}

.tool-name {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  margin-bottom: 0;
}

/* ========================================
   Portfolio
   ======================================== */

.portfolio-filters {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--spacing-lg);
}

.filter-btn {
  background-color: transparent;
  color: var(--color-text-secondary);
  border: 2px solid var(--color-border);
  padding: 0.5rem 1.5rem;
  border-radius: 6px;
  cursor: pointer;
  font-family: var(--font-body);
  font-weight: 500;
  transition: all var(--transition-speed);
}

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

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

.portfolio-item {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  transition: all var(--transition-speed);
}

.portfolio-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

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

.portfolio-item:hover img {
  transform: scale(1.05);
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to bottom, transparent, rgba(11, 15, 41, 0.95));
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--spacing-md);
  opacity: 0;
  transition: opacity var(--transition-speed);
}

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

.portfolio-title {
  color: var(--color-text-primary);
  font-size: 1.25rem;
  margin-bottom: 0.25rem;
}

.portfolio-category {
  color: var(--color-accent);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.loading-state {
  text-align: center;
  padding: var(--spacing-lg);
  color: var(--color-text-secondary);
  grid-column: 1 / -1;
}

/* Modal/Lightbox */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
}

.modal.active {
  display: flex;
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.9);
  cursor: pointer;
}

.modal-content {
  position: relative;
  background-color: var(--color-bg-secondary);
  border-radius: 12px;
  max-width: 1200px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  z-index: 2001;
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2002;
  transition: all var(--transition-speed);
}

.modal-close:hover {
  background-color: var(--color-accent);
  color: var(--color-bg-primary);
}

.modal-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
}

.modal-gallery {
  position: relative;
  aspect-ratio: 16/9;
  background-color: var(--color-bg-primary);
}

.modal-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.gallery-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-speed);
}

.gallery-nav:hover {
  background-color: var(--color-accent);
  color: var(--color-bg-primary);
}

.gallery-prev {
  left: 1rem;
}

.gallery-next {
  right: 1rem;
}

.modal-info {
  padding: var(--spacing-md);
}

.modal-title {
  margin-bottom: var(--spacing-xs);
}

.modal-category {
  color: var(--color-accent);
  text-transform: uppercase;
  font-size: 0.875rem;
  letter-spacing: 1px;
  margin-bottom: var(--spacing-sm);
}

.modal-description {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

.modal-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: var(--spacing-md);
}

.tag {
  background-color: var(--color-bg-primary);
  color: var(--color-text-secondary);
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  font-size: 0.875rem;
  border: 1px solid var(--color-border);
}

/* ========================================
   Service Detail
   ======================================== */

.service-detail {
  border-bottom: 1px solid var(--color-border);
}

.service-detail:last-of-type {
  border-bottom: none;
}

.subsection-title {
  color: var(--color-text-primary);
  font-size: 1.125rem;
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.benefits-list {
  list-style: none;
  margin-bottom: var(--spacing-md);
}

.benefits-list li {
  color: var(--color-text-secondary);
  padding-left: 1.5rem;
  position: relative;
  margin-bottom: 0.5rem;
}

.benefits-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}

/* ========================================
   Contact Page
   ======================================== */

.contact-wrapper {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  align-items: start;
}

.contact-info {
  position: sticky;
  top: calc(var(--header-height) + var(--spacing-md));
}

.contact-text {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact-item {
  display: flex;
  gap: var(--spacing-sm);
  align-items: flex-start;
}

.contact-item svg {
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 0.25rem;
}

.contact-item h3 {
  color: var(--color-text-primary);
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.contact-item p {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 0;
}

/* Contact Form */
.contact-form {
  background-color: var(--color-bg-secondary);
  padding: var(--spacing-md);
  border-radius: 12px;
  border: 1px solid var(--color-border);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

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

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.875rem;
  background-color: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: all var(--transition-speed);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.error-message {
  display: block;
  color: #EF4444;
  font-size: 0.875rem;
  margin-top: 0.5rem;
}

.form-message {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  border-radius: 6px;
  margin-top: var(--spacing-md);
}

.success-message {
  background-color: rgba(34, 197, 94, 0.1);
  color: #22C55E;
  border: 1px solid #22C55E;
}

.error-message-box {
  background-color: rgba(239, 68, 68, 0.1);
  color: #EF4444;
  border: 1px solid #EF4444;
}

.form-message svg {
  flex-shrink: 0;
}

.btn-loading {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

/* ========================================
   Footer
   ======================================== */

.footer {
  background-color: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-lg) 0 var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.footer-logo {
  height: 35px;
  width: auto;
  margin-bottom: var(--spacing-sm);
}

.footer-text {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.footer-title {
  color: var(--color-text-primary);
  font-size: 1.125rem;
  margin-bottom: var(--spacing-sm);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: var(--color-text-secondary);
  transition: color var(--transition-speed);
}

.footer-links a:hover {
  color: var(--color-accent);
}

.social-links {
  display: flex;
  gap: var(--spacing-sm);
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  color: var(--color-text-secondary);
  transition: all var(--transition-speed);
}

.social-links a:hover {
  background-color: var(--color-accent);
  color: var(--color-bg-primary);
  border-color: var(--color-accent);
  transform: translateY(-3px);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

.footer-bottom p {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  margin-bottom: 0;
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-bg-primary);
    transform: translateX(100%);
    transition: transform var(--transition-speed);
    padding: var(--spacing-md);
    overflow-y: auto;
  }

  .nav.active {
    transform: translateX(0);
  }

  .nav-list {
    flex-direction: column;
    gap: 0;
  }

  .nav-link {
    display: block;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border);
  }

  .nav-link.active::after {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .hero-cta {
    flex-direction: column;
  }

  .content-grid.reverse {
    direction: ltr;
  }

  .modal-body {
    grid-template-columns: 1fr;
  }

  .contact-info {
    position: static;
  }
}

@media (max-width: 480px) {
  :root {
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
  }

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

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