/* Certified Translation Spain - Formal Professional Style */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@400;500;600;700&family=Inter:wght@400;500;600&display=swap');

:root {
  /* Formal color palette - Navy, charcoal, subtle gold */
  --color-primary: #1c2541;
  --color-primary-dark: #0b132b;
  --color-primary-light: #3a506b;
  --color-accent: #b08d4c;
  --color-accent-light: #c9a969;
  --color-accent-muted: #8b7355;
  
  --color-text: #2d3436;
  --color-text-light: #636e72;
  --color-text-muted: #b2bec3;
  
  --color-white: #ffffff;
  --color-offwhite: #fafbfc;
  --color-light: #f5f6f7;
  --color-border: #e1e4e8;
  --color-border-dark: #d1d5da;

  /* Typography - Classic, authoritative */
  --font-serif: 'Cormorant Garamond', 'Times New Roman', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  /* Container */
  --container-max: 1140px;
  --container-narrow: 800px;
}

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

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

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.25;
  color: var(--color-primary);
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.25rem, 4vw, 3.25rem); }
h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.625rem); }
h4 { font-size: 1.125rem; font-family: var(--font-sans); font-weight: 600; }

p { margin-bottom: var(--space-sm); }

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

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

ul, ol {
  list-style: none;
}

/* Layout */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container-narrow {
  max-width: var(--container-narrow);
}

/* Header */
.header {
  background: var(--color-primary-dark);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.logo-text {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--color-white);
  letter-spacing: 0.02em;
}

.logo-divider {
  color: var(--color-accent);
  margin: 0 0.125rem;
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-list {
  display: flex;
  gap: var(--space-lg);
}

.nav-link {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: var(--space-xs) 0;
  border-bottom: 2px solid transparent;
  transition: all 0.2s ease;
}

.nav-link:hover {
  color: var(--color-white);
  border-bottom-color: var(--color-accent);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

/* Language Switcher */
.lang-switch {
  display: flex;
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.lang-btn {
  padding: 0.375rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.6);
  transition: all 0.2s ease;
}

.lang-btn:hover {
  color: var(--color-white);
}

.lang-btn.active {
  background: var(--color-accent);
  color: var(--color-primary-dark);
}

/* Header Left (logo + mobile lang) */
.header-left {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.lang-switch-mobile {
  display: none;
}

/* Mobile Menu */
.mobile-toggle {
  display: none;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  position: relative;
}

.mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-white);
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  transition: all 0.3s ease;
}

.mobile-toggle span:nth-child(1) { top: 16px; }
.mobile-toggle span:nth-child(2) { top: 21px; }
.mobile-toggle span:nth-child(3) { top: 26px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  border: none;
  cursor: pointer;
  transition: all 0.25s ease;
}

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

.btn-primary:hover {
  background: var(--color-accent-light);
  color: var(--color-white);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--color-white);
  border: 1px solid var(--color-white);
}

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

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

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

.btn-sm {
  padding: 0.625rem 1.25rem;
  font-size: 0.8125rem;
}

/* Sections */
.section {
  padding: var(--space-2xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--color-accent);
}

.section-title {
  margin-bottom: var(--space-sm);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto;
}

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

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

.section-dark h2,
.section-dark h3 {
  color: var(--color-white);
}

.section-dark .section-subtitle {
  color: rgba(255, 255, 255, 0.75);
}

/* Hero */
.hero {
  background: linear-gradient(165deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: var(--color-white);
  padding: var(--space-2xl) 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 40%;
  height: 100%;
  background: linear-gradient(135deg, transparent 0%, rgba(176, 141, 76, 0.08) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 680px;
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--color-accent);
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: var(--space-md);
  font-weight: 500;
}

.hero-text {
  font-size: 1.125rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--space-sm);
}

.hero-text:last-of-type {
  margin-bottom: var(--space-lg);
}

.hero-cta {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  padding: var(--space-lg);
  transition: all 0.3s ease;
}

.service-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 8px 30px rgba(28, 37, 65, 0.08);
}

.service-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-light);
  margin-bottom: var(--space-md);
  border: 1px solid var(--color-border);
}

.service-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.service-card p {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-sm);
}

.service-list {
  margin-top: var(--space-sm);
}

.service-list li {
  font-size: 0.875rem;
  color: var(--color-text-light);
  padding: 0.375rem 0;
  padding-left: 1.25rem;
  position: relative;
}

.service-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

/* Stats */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  text-align: center;
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.stat-item {
  padding: var(--space-sm);
}

.stat-number {
  font-family: var(--font-serif);
  font-size: 2.75rem;
  font-weight: 600;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.stat-label {
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-light);
}

/* Credentials */
.credentials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.credential-card {
  text-align: center;
  padding: var(--space-lg);
  border: 1px solid var(--color-border);
}

.credential-icon {
  font-size: 1.5rem;
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--color-primary);
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-light);
  border: 1px solid var(--color-border);
  margin: 0 auto var(--space-md);
}

.credential-card h4 {
  margin-bottom: var(--space-xs);
}

.credential-card p {
  font-size: 0.9375rem;
  color: var(--color-text-light);
}

/* CTA Banner */
.cta-banner {
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-xl) 0;
  text-align: center;
}

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

.cta-banner p {
  color: rgba(255, 255, 255, 0.8);
  max-width: 500px;
  margin: 0 auto var(--space-md);
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.about-image {
  background: var(--color-light);
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 6rem;
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--color-primary);
  border: 1px solid var(--color-border);
}

.about-text h2 {
  margin-bottom: var(--space-md);
}

.about-text p {
  color: var(--color-text-light);
  margin-bottom: var(--space-sm);
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: var(--space-xl);
}

.contact-info h2 {
  margin-bottom: var(--space-md);
}

.contact-info > p {
  color: var(--color-text-light);
  margin-bottom: var(--space-lg);
}

.contact-item {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.contact-item:last-child {
  border-bottom: none;
}

.contact-item-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 1rem;
  flex-shrink: 0;
}

.contact-item h4 {
  font-size: 0.875rem;
  margin-bottom: 0.25rem;
}

.contact-item p,
.contact-item a {
  font-size: 0.9375rem;
  color: var(--color-text-light);
}

.contact-item a:hover {
  color: var(--color-accent);
}

/* Form */
.contact-form {
  background: var(--color-light);
  padding: var(--space-lg);
  border: 1px solid var(--color-border);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.form-group {
  margin-bottom: var(--space-sm);
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.375rem;
  color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  border: 1px solid var(--color-border-dark);
  background: var(--color-white);
  transition: border-color 0.2s ease;
}

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

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

/* Footer */
.footer {
  background: var(--color-primary-dark);
  color: var(--color-white);
  padding: var(--space-xl) 0 var(--space-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo-text {
  margin-bottom: var(--space-sm);
  display: block;
}

.footer-tagline {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.7;
}

.footer h4 {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.footer-nav li {
  margin-bottom: var(--space-xs);
}

.footer-nav a {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.65);
}

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

.footer-contact li {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-xs);
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.65);
}

.footer-contact a {
  color: rgba(255, 255, 255, 0.65);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-md);
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.5);
}

.footer-legal {
  display: flex;
  gap: var(--space-md);
}

.footer-legal a {
  color: rgba(255, 255, 255, 0.5);
}

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

/* Responsive */
@media (max-width: 992px) {
  .services-grid,
  .credentials-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .about-image {
    height: 300px;
    order: -1;
  }

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

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

@media (max-width: 768px) {
  .header-left {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-xs);
  }

  .lang-switch-mobile {
    display: inline-flex;
    width: auto;
    border: none;
  }

  .lang-switch-mobile .lang-btn {
    padding: 0.25rem 0.5rem;
    font-size: 0.7rem;
    border: 1px solid rgba(255, 255, 255, 0.25);
  }

  .lang-switch-mobile .lang-btn:first-child {
    border-right: none;
  }

  .nav .lang-switch {
    display: none;
  }

  .mobile-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .nav {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-primary-dark);
    flex-direction: column;
    padding: var(--space-lg);
    transform: translateX(100%);
    transition: transform 0.3s ease;
  }

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

  .nav-list {
    flex-direction: column;
    width: 100%;
    gap: 0;
  }

  .nav-link {
    display: block;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 1rem;
  }

  .nav-actions {
    width: 100%;
    flex-direction: column;
    margin-top: var(--space-md);
  }

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

  .stats-row {
    grid-template-columns: 1fr 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }
}