@import url('design-tokens.css');

/* ==========================================================================
   GLOBAL RESET & TYPOGRAPHY
   ========================================================================== */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text-main);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.25rem; }

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

p:last-child {
  margin-bottom: 0;
}

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

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

ul, ol {
  list-style: none;
}

/* ==========================================================================
   LAYOUT CONTAINERS & GRIDS
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-lg);
  padding-right: var(--spacing-lg);
}

.section {
  padding-top: var(--spacing-4xl);
  padding-bottom: var(--spacing-4xl);
  position: relative;
}

.section-sm {
  padding-top: var(--spacing-2xl);
  padding-bottom: var(--spacing-2xl);
}

.section-dark {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: var(--color-text-inverse);
}

.section-dark p {
  color: var(--color-text-inverse-muted);
}

.section-alt {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
}

.grid {
  display: grid;
  gap: var(--spacing-xl);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .section { padding-top: var(--spacing-2xl); padding-bottom: var(--spacing-2xl); }
  .container { padding-left: var(--spacing-md); padding-right: var(--spacing-md); }
}

/* ==========================================================================
   BUTTONS & BADGES
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 12px 24px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-normal);
  border: 1px solid transparent;
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-primary-light);
  border-color: var(--color-primary-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: var(--color-secondary);
  color: var(--color-text-inverse);
  border-color: var(--color-secondary);
}

.btn-secondary:hover {
  background-color: var(--color-secondary-hover);
  border-color: var(--color-secondary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(200, 16, 46, 0.3);
}

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

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

.btn-outline-white {
  background-color: transparent;
  color: var(--color-text-inverse);
  border-color: rgba(255, 255, 255, 0.4);
}

.btn-outline-white:hover {
  background-color: rgba(255, 255, 255, 0.12);
  border-color: var(--color-text-inverse);
}

.btn-whatsapp {
  background-color: #25D366;
  color: #FFFFFF;
  border-color: #25D366;
}

.btn-whatsapp:hover {
  background-color: #1EBE5D;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.35);
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.05rem;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.8125rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-xs);
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.badge-red {
  background-color: rgba(200, 16, 46, 0.1);
  color: var(--color-secondary);
  border: 1px solid rgba(200, 16, 46, 0.2);
}

.badge-dark {
  background-color: var(--color-primary-light);
  color: var(--color-text-inverse);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.badge-light {
  background-color: var(--color-surface);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

/* ==========================================================================
   TOP BAR & NAVIGATION HEADER
   ========================================================================== */

.top-bar {
  background-color: var(--color-primary-dark);
  color: var(--color-text-inverse-muted);
  font-size: 0.8125rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 8px 0;
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.top-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.top-info-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.top-info-item a:hover {
  color: var(--color-text-inverse);
}

.top-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 4px;
  font-weight: 600;
}

.lang-btn {
  background: none;
  border: none;
  color: var(--color-text-inverse-muted);
  cursor: pointer;
  padding: 2px 4px;
  font-size: 0.75rem;
  border-radius: var(--radius-xs);
  transition: color var(--transition-fast);
}

.lang-btn.active {
  color: var(--color-text-inverse);
  background-color: var(--color-secondary);
}

.lang-btn:hover:not(.active) {
  color: var(--color-text-inverse);
}

/* Main Site Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition-normal);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-logo-text-img {
  height: 40px;
  width: auto;
  object-fit: contain;
  transition: opacity var(--transition-fast);
}

@media (max-width: 520px) {
  .brand-logo-text-img {
    height: 32px;
  }
}

.brand-symbol {
  width: 44px;
  height: 44px;
  background-color: var(--color-primary);
  border-left: 4px solid var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.15rem;
  border-radius: var(--radius-xs);
  box-shadow: var(--shadow-sm);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.04em;
  line-height: 1.1;
}

.brand-tagline {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Nav Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 10px 14px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  border-radius: var(--radius-xs);
  transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-secondary);
  background-color: var(--color-secondary-subtle);
}

/* Dropdown Menu */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 280px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: 2px solid var(--color-secondary);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  box-shadow: var(--shadow-xl);
  padding: 12px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--transition-normal);
  z-index: 100;
}

.nav-item:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px;
  font-size: 0.875rem;
  color: var(--color-text-main);
  transition: all var(--transition-fast);
}

.dropdown-link .material-symbols-outlined {
  font-size: 20px;
  color: var(--color-steel);
  transition: color var(--transition-fast);
}

.dropdown-link:hover {
  background-color: var(--color-surface-dim);
  color: var(--color-secondary);
  padding-left: 24px;
}

.dropdown-link:hover .material-symbols-outlined {
  color: var(--color-secondary);
}

/* Header CTAs */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-primary);
  cursor: pointer;
  padding: 8px;
}

@media (max-width: 1120px) {
  .nav-menu { display: none; }
  .mobile-toggle { display: block; }
  .header-actions .btn { display: none; }
}

/* Mobile Drawer & Overlay */
@media (min-width: 1121px) {
  .mobile-drawer, .drawer-overlay {
    display: none !important;
  }
}

.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  transform: translateX(100%);
  width: 85%;
  max-width: 360px;
  height: 100vh;
  background-color: var(--color-surface);
  box-shadow: var(--shadow-xl);
  z-index: 2000;
  padding: 24px;
  overflow-y: auto;
  transition: transform var(--transition-smooth), visibility var(--transition-smooth);
  display: flex;
  flex-direction: column;
  visibility: hidden;
}

.mobile-drawer.open {
  transform: translateX(0);
  visibility: visible;
}

[dir="rtl"] .mobile-drawer {
  right: auto;
  left: 0;
  transform: translateX(-100%);
  text-align: right;
}

[dir="rtl"] .mobile-drawer.open {
  transform: translateX(0);
  visibility: visible;
}

.drawer-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 17, 21, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1999;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.drawer-overlay.open {
  opacity: 1;
  visibility: visible;
}

.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 20px;
}

.drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.drawer-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  font-weight: 600;
  color: var(--color-primary);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
}

.drawer-link:hover, .drawer-link.active {
  background-color: var(--color-secondary-subtle);
  color: var(--color-secondary);
}

.drawer-subnav {
  padding-left: 16px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: 8px;
}

.drawer-sublink {
  display: block;
  padding: 8px 12px;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.drawer-sublink:hover {
  color: var(--color-secondary);
}

/* ==========================================================================
   PAGE HERO SECTIONS
   ========================================================================== */

.page-hero {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  padding: var(--spacing-4xl) 0 var(--spacing-3xl);
  position: relative;
  overflow: hidden;
  border-bottom: 3px solid var(--color-secondary);
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(circle at 80% 20%, rgba(200, 16, 46, 0.15) 0%, transparent 50%),
    linear-gradient(180deg, rgba(15, 17, 21, 0.8) 0%, rgba(15, 17, 21, 0.98) 100%);
  pointer-events: none;
  z-index: 1;
}

.page-hero.hero-with-bg {
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
}

.page-hero.hero-with-bg::before {
  background: 
    linear-gradient(90deg, rgba(10, 12, 16, 0.95) 0%, rgba(15, 17, 21, 0.88) 55%, rgba(10, 12, 16, 0.75) 100%),
    radial-gradient(circle at 75% 30%, rgba(200, 16, 46, 0.22) 0%, transparent 60%);
  z-index: 1;
}

.hero-backdrop-glow {
  position: absolute;
  right: -5%;
  top: 10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(200, 16, 46, 0.12) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
}

.hero-grid-pattern {
  position: absolute;
  inset: 0;
  background-size: 40px 40px;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  pointer-events: none;
  z-index: 1;
}

.page-hero .container {
  position: relative;
  z-index: 2;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  color: var(--color-steel);
  margin-bottom: 16px;
}

.breadcrumbs a:hover {
  color: var(--color-text-inverse);
}

.hero-title {
  font-size: clamp(2.2rem, 4.5vw, 3.5rem);
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 16px;
  max-width: 900px;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--color-steel-light);
  max-width: 800px;
  line-height: 1.6;
  margin-bottom: 24px;
}

/* ==========================================================================
   CARDS & INDUSTRIAL COMPONENTS
   ========================================================================== */

.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--spacing-xl);
  transition: all var(--transition-normal);
  position: relative;
  display: flex;
  flex-direction: column;
}

.card:hover {
  border-color: var(--color-steel);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.card-machined {
  border-left: 4px solid var(--color-secondary);
}

.card-icon {
  width: 56px;
  height: 56px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-secondary);
  margin-bottom: 20px;
  font-size: 28px;
  transition: all var(--transition-fast);
}

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

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-primary);
}

.card-desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  flex-grow: 1;
}

/* Stat Counters */
.stat-box {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 24px;
  text-align: center;
  border-radius: var(--radius-xs);
  border-bottom: 3px solid var(--color-primary);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.75rem;
  font-weight: 700;
  color: var(--color-secondary);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ==========================================================================
   SECTION HEADERS
   ========================================================================== */

.section-header {
  margin-bottom: var(--spacing-3xl);
}

.section-header.text-center {
  text-align: center;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.section-tag {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  display: block;
  margin-bottom: 8px;
}

.section-title {
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--color-text-muted);
}

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

.site-footer {
  background-color: var(--color-primary-dark);
  color: var(--color-text-inverse-muted);
  border-top: 4px solid var(--color-secondary);
  padding-top: var(--spacing-4xl);
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-3xl);
}

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

@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-brand p {
  color: var(--color-steel);
  font-size: 0.875rem;
  margin: 16px 0 24px;
  line-height: 1.6;
}

.footer-heading {
  font-size: 1rem;
  font-weight: 700;
  color: #FFFFFF;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 8px;
}

.footer-heading::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 2px;
  background-color: var(--color-secondary);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  color: var(--color-steel);
  font-size: 0.875rem;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer-link:hover {
  color: #FFFFFF;
  padding-left: 4px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 0.875rem;
  color: var(--color-steel);
}

.footer-contact-item .material-symbols-outlined {
  color: var(--color-secondary);
  font-size: 20px;
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-disclaimer-box {
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-left: 3px solid var(--color-secondary);
  padding: 16px 20px;
  border-radius: var(--radius-xs);
  margin-bottom: var(--spacing-3xl);
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--color-steel);
}

.footer-disclaimer-box strong {
  color: #FFFFFF;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px 0;
  font-size: 0.8125rem;
  color: var(--color-steel-dark);
}

.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

/* ==========================================================================
   FLOATING WHATSAPP BUTTON
   ========================================================================== */

.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background-color: #25D366;
  color: #FFFFFF;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45);
  z-index: 999;
  transition: all var(--transition-normal);
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.6);
  color: #FFFFFF;
}

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

.whatsapp-tooltip {
  position: absolute;
  right: 70px;
  background-color: var(--color-primary);
  color: #FFFFFF;
  padding: 6px 12px;
  border-radius: var(--radius-xs);
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-md);
  pointer-events: none;
}

.whatsapp-float:hover .whatsapp-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateX(-4px);
}