@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Montserrat:wght@400;500;600;700;800;900&display=swap');

/* --- Design Tokens & CSS Variables --- */
:root {
  /* Common Variables */
  --font-headers: 'Montserrat', sans-serif;
  --font-body: 'Inter', sans-serif;
  --color-primary: #E53935;       /* Falken Red */
  --color-primary-hover: #C62828;
  --color-primary-glow: rgba(229, 57, 53, 0.15);
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 16px;
  
  /* Dark Theme Variables (Default) */
  --bg-main: #121214;
  --bg-surface: #1E1E24;
  --bg-surface-alt: #25252D;
  --bg-navbar: rgba(18, 18, 20, 0.85);
  
  --text-main: #F5F6F8;
  --text-muted: #A0A5B5;
  --text-inverse: #121214;
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-hover: rgba(255, 255, 255, 0.15);
  --shadow-main: rgba(0, 0, 0, 0.4);
}

[data-theme="light"] {
  /* Light Theme Variables */
  --bg-main: #F5F6F8;
  --bg-surface: #FFFFFF;
  --bg-surface-alt: #EBEFF5;
  --bg-navbar: rgba(245, 246, 248, 0.85);
  
  --text-main: #1A1A1E;
  --text-muted: #5A5E6B;
  --text-inverse: #FFFFFF;
  
  --border-color: rgba(0, 0, 0, 0.08);
  --border-color-hover: rgba(0, 0, 0, 0.15);
  --shadow-main: rgba(26, 26, 30, 0.08);
}

/* --- Base & Reset Styles --- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headers);
  font-weight: 700;
  color: var(--text-main);
}

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

ul {
  list-style: none;
}

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

/* --- Utility Classes --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  border-bottom: 1px solid var(--border-color);
}

.section-title {
  font-size: 2.2rem;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 60px;
  height: 4px;
  background-color: var(--color-primary);
  border-radius: var(--border-radius-sm);
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 50px;
  max-width: 600px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-family: var(--font-headers);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
  cursor: pointer;
  border: none;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--color-primary-glow);
}

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

.btn-secondary:hover {
  background-color: var(--text-main);
  color: var(--text-inverse);
  transform: translateY(-2px);
}

/* --- Header & Navigation --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--bg-navbar);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  transition: background-color var(--transition-normal), padding var(--transition-normal);
}

.header-active {
  padding: 10px 0;
  box-shadow: 0 4px 20px var(--shadow-main);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo-link {
  display: flex;
  align-items: center;
  height: 50px;
}

.logo-img {
  height: 100%;
  width: auto;
}



.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-family: var(--font-headers);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  transition: color var(--transition-fast);
  position: relative;
  padding: 8px 0;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-fast);
}

.nav-link:hover::after, .nav-link.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Theme Switcher Button */
.theme-toggle-btn {
  background: none;
  border: 1px solid var(--border-color);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-main);
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  border-color: var(--text-main);
  background-color: var(--bg-surface-alt);
}

.theme-toggle-btn svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.theme-toggle-btn .sun-icon {
  display: none;
}

[data-theme="light"] .theme-toggle-btn .moon-icon {
  display: none;
}
[data-theme="light"] .theme-toggle-btn .sun-icon {
  display: block;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background-color: var(--text-main);
  transition: all var(--transition-fast);
}

/* --- Hero Section --- */
.hero {
  height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: #FFFFFF;
}

/* Hero Overlay */
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(18, 18, 20, 0.95) 0%, rgba(18, 18, 20, 0.4) 60%, rgba(18, 18, 20, 0.8) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 850px;
  padding: 0 20px;
}

.hero-tagline {
  color: var(--color-primary);
  font-family: var(--font-headers);
  font-weight: 700;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 16px;
  display: inline-block;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 24px;
  text-transform: uppercase;
}

.hero-description {
  font-size: 1.25rem;
  color: #E2E4E9;
  margin-bottom: 40px;
  font-weight: 400;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
}

/* --- Nosostros Section --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text h3 {
  font-size: 1.8rem;
  margin-bottom: 20px;
  line-height: 1.3;
}

.about-text p {
  color: var(--text-muted);
  margin-bottom: 20px;
  font-size: 1.05rem;
}

.about-image {
  position: relative;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: 0 10px 30px var(--shadow-main);
  border: 1px solid var(--border-color);
}

.about-image img {
  width: 100%;
  transition: transform var(--transition-slow);
}

.about-image:hover img {
  transform: scale(1.05);
}

.about-slogan-box {
  margin-top: 30px;
  padding: 24px;
  background-color: var(--bg-surface-alt);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
}

.about-slogan-box h4 {
  font-size: 1.25rem;
  margin-bottom: 8px;
}

.about-slogan-box p {
  color: var(--text-muted);
  margin: 0;
  font-style: italic;
}

/* Value Proposition (Propuesta de Valor) */
.value-prop {
  margin-top: 80px;
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.value-card {
  background-color: var(--bg-surface);
  padding: 30px 24px;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
  transition: all var(--transition-normal);
  text-align: center;
}

.value-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-primary);
  box-shadow: 0 8px 24px var(--shadow-main);
}

.value-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 20px;
  background-color: var(--bg-surface-alt);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
}

.value-card:hover .value-icon {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

.value-card h4 {
  font-size: 1.1rem;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.value-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* --- Capacidades (Services Tabs) --- */
.tabs-container {
  background-color: var(--bg-surface);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-color);
  overflow: hidden;
  box-shadow: 0 10px 30px var(--shadow-main);
}

.tabs-header {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-surface-alt);
}

.tab-btn {
  padding: 24px;
  background: none;
  border: none;
  font-family: var(--font-headers);
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.tab-btn svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.tab-btn:hover {
  color: var(--text-main);
  background-color: var(--bg-surface);
}

.tab-btn.active {
  color: var(--color-primary);
  background-color: var(--bg-surface);
}

.tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background-color: var(--color-primary);
}

.tab-content {
  display: none;
  padding: 50px;
  animation: fadeIn 0.4s ease forwards;
}

.tab-content.active {
  display: block;
}

.service-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 50px;
  align-items: center;
}

.service-info h3 {
  font-size: 2rem;
  margin-bottom: 16px;
  text-transform: uppercase;
}

.service-description {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 30px;
}

.service-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.service-item-card {
  background-color: var(--bg-surface-alt);
  padding: 20px;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
}

.service-item-card:hover {
  border-color: var(--border-color-hover);
  transform: translateY(-2px);
}

.service-item-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.service-item-icon {
  width: 32px;
  height: 32px;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-item-header h4 {
  font-size: 1.05rem;
  text-transform: uppercase;
}

.service-item-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.service-image-container {
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: 0 8px 24px var(--shadow-main);
  border: 1px solid var(--border-color);
}

.service-image-container img {
  width: 100%;
  height: 380px;
  object-fit: cover;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Sectores Section --- */
.sectors-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.sector-card {
  height: 420px;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  position: relative;
  box-shadow: 0 5px 15px var(--shadow-main);
  border: 1px solid var(--border-color);
  cursor: pointer;
}

.sector-bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.sector-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(18, 18, 20, 0.95) 0%, rgba(18, 18, 20, 0.6) 50%, rgba(18, 18, 20, 0.2) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 30px 24px;
  z-index: 1;
  transition: background var(--transition-normal);
}

.sector-icon {
  width: 48px;
  height: 48px;
  background-color: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  margin-bottom: 16px;
  transform: translateY(20px);
  opacity: 0;
  transition: all var(--transition-normal);
}

.sector-card h3 {
  font-size: 1.4rem;
  color: #FFFFFF;
  margin-bottom: 8px;
  text-transform: uppercase;
  transition: transform var(--transition-normal);
}

.sector-card p {
  font-size: 0.85rem;
  color: #E2E4E9;
  line-height: 1.5;
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.sector-card:hover .sector-bg {
  transform: scale(1.08);
}

.sector-card:hover .sector-overlay {
  background: linear-gradient(to top, rgba(18, 18, 20, 0.98) 0%, rgba(18, 18, 20, 0.85) 60%, rgba(18, 18, 20, 0.4) 100%);
}

.sector-card:hover .sector-icon {
  transform: translateY(0);
  opacity: 1;
}

.sector-card:hover h3 {
  transform: translateY(0);
}

.sector-card:hover p {
  opacity: 1;
  max-height: 120px;
  margin-top: 10px;
}

/* --- Cómo Trabajamos (Process) --- */
.process-timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 24px;
  margin-top: 60px;
}

/* Timeline Connecting Line */
.process-timeline::before {
  content: '';
  position: absolute;
  top: 30px;
  left: 5%;
  width: 90%;
  height: 2px;
  background-color: var(--border-color);
  z-index: 1;
}

.process-step {
  text-align: center;
  position: relative;
  z-index: 2;
}

.process-number {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: var(--bg-surface);
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-headers);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--text-muted);
  margin: 0 auto 24px;
  transition: all var(--transition-normal);
}

.process-step:hover .process-number {
  border-color: var(--color-primary);
  background-color: var(--color-primary);
  color: #FFFFFF;
  box-shadow: 0 0 15px var(--color-primary-glow);
  transform: scale(1.1);
}

.process-step h4 {
  font-size: 1rem;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.process-step p {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
  padding: 0 10px;
}

.process-quote-box {
  margin-top: 80px;
  text-align: center;
  padding: 40px 24px;
  background-color: var(--bg-surface);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.process-quote-box blockquote {
  font-family: var(--font-headers);
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 12px;
}

.process-quote-box blockquote::before {
  content: '“';
  color: var(--color-primary);
  font-size: 3rem;
  line-height: 0;
  vertical-align: middle;
  margin-right: 8px;
}

.process-quote-box blockquote::after {
  content: '”';
  color: var(--color-primary);
  font-size: 3rem;
  line-height: 0;
  vertical-align: middle;
  margin-left: 8px;
}

/* --- Señalética e Impresión (Industrial Graphics) --- */
.graphics-layout {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: center;
}

.graphics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.graphic-card {
  background-color: var(--bg-surface);
  padding: 24px;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
}

.graphic-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-color-hover);
}

.graphic-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.graphic-card-icon {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.graphic-card h4 {
  font-size: 1rem;
  text-transform: uppercase;
}

.graphic-card p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.graphics-promo-box {
  background-color: var(--bg-surface);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-color);
  overflow: hidden;
  box-shadow: 0 10px 30px var(--shadow-main);
}

.graphics-promo-image {
  position: relative;
  height: 250px;
  overflow: hidden;
}

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

.graphics-promo-content {
  padding: 40px;
}

.graphics-promo-content h3 {
  font-size: 1.6rem;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.graphics-promo-content p {
  color: var(--text-muted);
  margin-bottom: 30px;
  font-size: 0.95rem;
}

.graphics-pillars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.graphics-pillar-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.graphics-pillar-icon {
  width: 36px;
  height: 36px;
  background-color: var(--bg-surface-alt);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

.graphics-pillar-item span {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
}

/* --- Nuestros Clientes & Contacto --- */
.client-pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 60px;
}

.client-pillar-card {
  background-color: var(--bg-surface);
  padding: 30px 24px;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
  text-align: center;
  transition: all var(--transition-fast);
}

.client-pillar-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-color-hover);
}

.client-pillar-icon {
  width: 50px;
  height: 50px;
  margin: 0 auto 16px;
  background-color: var(--bg-surface-alt);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-weight: 900;
}

.client-pillar-card h4 {
  font-size: 1.05rem;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.client-pillar-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 60px;
}

.contact-info h3 {
  font-size: 1.8rem;
  margin-bottom: 16px;
  text-transform: uppercase;
}

.contact-info p {
  color: var(--text-muted);
  margin-bottom: 40px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 30px;
  margin-bottom: 40px;
}

.contact-detail-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-detail-icon {
  width: 44px;
  height: 44px;
  background-color: var(--bg-surface);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  border: 1px solid var(--border-color);
  flex-shrink: 0;
}

.contact-detail-content h4 {
  font-size: 0.95rem;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.contact-detail-content p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.contact-map-placeholder {
  height: 200px;
  background-color: var(--bg-surface);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  text-align: center;
  padding: 20px;
}

.contact-map-placeholder svg {
  width: 32px;
  height: 32px;
  margin-bottom: 10px;
  color: var(--color-primary);
}

/* Contact Form */
.contact-form-container {
  background-color: var(--bg-surface);
  padding: 40px;
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: 0 10px 30px var(--shadow-main);
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 8px;
  color: var(--text-main);
}

.form-control {
  width: 100%;
  background-color: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  padding: 14px 16px;
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 0.95rem;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}

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

/* Form feedback messages */
.form-feedback {
  margin-top: 15px;
  padding: 12px 16px;
  border-radius: var(--border-radius-sm);
  font-size: 0.9rem;
  display: none;
}

.form-feedback.success {
  background-color: rgba(76, 175, 80, 0.15);
  border: 1px solid #4CAF50;
  color: #4CAF50;
  display: block;
}

.form-feedback.error {
  background-color: rgba(229, 57, 53, 0.15);
  border: 1px solid #E53935;
  color: #E53935;
  display: block;
}

/* --- Footer --- */
.footer {
  background-color: #121214; /* Always dark for premium look */
  color: #A0A5B5;
  padding: 60px 0 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 40px;
}

.footer-about .logo-link {
  height: 45px;
  margin-bottom: 20px;
}



.footer-about p {
  font-size: 0.9rem;
  line-height: 1.6;
}

.footer-links h4, .footer-contact h4 {
  color: #FFFFFF;
  font-size: 0.95rem;
  text-transform: uppercase;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: #FFFFFF;
}

.footer-contact ul {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-contact li {
  font-size: 0.9rem;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.footer-contact svg {
  width: 16px;
  height: 16px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
}

/* --- Responsive Adjustments --- */
@media (max-width: 1024px) {
  .tabs-header {
    grid-template-columns: repeat(3, 1fr);
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .value-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .service-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .sectors-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .process-timeline {
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
  }
  
  .process-timeline::before {
    display: none;
  }
  
  .graphics-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .client-pillars {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }
  
  .hero-title {
    font-size: 2.2rem;
  }
  
  .hero-description {
    font-size: 1rem;
  }
  
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background-color: var(--bg-surface);
    flex-direction: column;
    padding: 40px 24px;
    gap: 24px;
    transition: left var(--transition-normal);
    overflow-y: auto;
    border-top: 1px solid var(--border-color);
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  /* Hamburger to X animation */
  .menu-toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  .menu-toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
  
  .tabs-header {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .tab-btn {
    padding: 16px;
    font-size: 0.85rem;
  }
  
  .tab-content {
    padding: 24px;
  }
  
  .service-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-top {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 15px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .value-grid {
    grid-template-columns: 1fr;
  }
  
  .sectors-grid {
    grid-template-columns: 1fr;
  }
  
  .sector-card {
    height: 350px;
  }
  
  .process-timeline {
    grid-template-columns: 1fr;
  }
  
  .graphics-pillars {
    grid-template-columns: 1fr;
  }
  
  .client-pillars {
    grid-template-columns: 1fr;
  }
  
  .tabs-header {
    grid-template-columns: 1fr;
  }
}