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

:root {
  --color-primary: #14b8a6;
  --color-primary-dark: #0d9488;
  --color-secondary: #0f172a;
  --color-accent: #06b6d4;
  --color-background: #0f172a;
  --color-surface: #1e293b;
  --color-text: #f1f5f9;
  --color-text-muted: #94a3b8;
  --color-border: #334155;

  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-heading: "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --radius: 0.75rem;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--color-background);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

/* Container */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 500;
  font-size: 0.875rem;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
  text-align: center;
  white-space: nowrap;
}

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

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

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

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

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1rem;
}

.btn-full {
  width: 100%;
  justify-content: center;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: all 0.3s;
}

.header .container {
  padding: 0 1.5rem;
}

.header.scrolled {
  background: rgba(15, 23, 42, 0.95);
  box-shadow: var(--shadow);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  gap: 2rem;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-menu li {
  list-style: none;
}

.nav-menu a {
  color: var(--color-text-muted);
  font-weight: 500;
  font-size: 0.875rem;
  transition: color 0.2s;
  white-space: nowrap;
}

.nav-menu a:hover {
  color: var(--color-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.language-switcher {
  display: flex;
  gap: 0.25rem;
  background: var(--color-surface);
  padding: 0.25rem;
  border-radius: var(--radius);
}

.lang-btn {
  padding: 0.5rem 0.75rem;
  border-radius: calc(var(--radius) - 0.25rem);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: all 0.2s;
}

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

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

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 0.375rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: all 0.3s;
  display: block;
}

/* Hero Section */
.hero {
  padding: 160px 0 80px;
  background: linear-gradient(135deg, var(--color-background) 0%, var(--color-surface) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 50%, rgba(20, 184, 166, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.1;
  background: linear-gradient(135deg, var(--color-text) 0%, var(--color-text-muted) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  margin-bottom: 2.5rem;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 4rem;
}

.hero-stats {
  display: flex;
  gap: 3rem;
  justify-content: center;
  padding-top: 3rem;
  border-top: 1px solid var(--color-border);
}

.stat {
  text-align: center;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  font-family: var(--font-heading);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-top: 0.5rem;
}

/* Section */
.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 5rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

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

/* Services */
.services {
  background: var(--color-surface);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.5rem;
}

.service-card {
  background: var(--color-background);
  padding: 2.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  transition: all 0.3s;
}

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

.service-icon {
  width: 64px;
  height: 64px;
  background: rgba(20, 184, 166, 0.1);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--color-primary);
}

.service-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

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

/* Service Areas */
.service-areas {
  background: var(--color-background);
}

.areas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.area-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 2rem;
  background: var(--color-surface);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  font-weight: 500;
  transition: all 0.2s;
}

.area-card:hover {
  border-color: var(--color-primary);
  transform: translateX(4px);
}

.area-card svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

/* Pricing Section */
.pricing {
  background: var(--color-surface);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2.5rem;
  position: relative;
  transition: all 0.3s;
}

.pricing-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary);
}

.featured-badge {
  position: absolute;
  top: -12px;
  right: 2rem;
  background: var(--color-primary);
  color: white;
  padding: 0.375rem 1rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing-header {
  text-align: center;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
}

.pricing-title {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.pricing-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.5rem;
}

.price-amount {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-primary);
  font-family: var(--font-heading);
}

.pricing-features {
  list-style: none;
  margin-bottom: 2rem;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 0;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.pricing-features svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

.btn-block {
  width: 100%;
  justify-content: center;
}

/* Portfolio Section */
.portfolio {
  background: var(--color-background);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

.portfolio-item {
  background: var(--color-surface);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all 0.3s;
}

.portfolio-item:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}

.portfolio-image {
  width: 100%;
  height: 240px;
  overflow: hidden;
  background: var(--color-background);
}

.portfolio-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

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

.portfolio-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
}

.portfolio-content {
  padding: 1.5rem;
}

.portfolio-title {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.portfolio-desc {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.portfolio-category {
  display: inline-block;
  padding: 0.375rem 0.75rem;
  background: rgba(20, 184, 166, 0.1);
  color: var(--color-primary);
  border-radius: 0.375rem;
  font-size: 0.75rem;
  font-weight: 500;
}

/* Testimonials Section */
.testimonials {
  background: var(--color-surface);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.testimonial-card {
  background: var(--color-background);
  padding: 2rem;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  transition: all 0.3s;
}

.testimonial-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
}

.testimonial-rating {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1rem;
  color: #fbbf24;
}

.testimonial-text {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: 1.5rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-info {
  flex: 1;
}

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

.author-location {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* Contact Section */
.contact {
  background: var(--color-background);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  max-width: 1100px;
  margin: 0 auto;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-info-item {
  display: flex;
  gap: 1.5rem;
}

.contact-icon {
  width: 48px;
  height: 48px;
  background: rgba(20, 184, 166, 0.1);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

.contact-info-item h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.contact-link {
  color: var(--color-primary);
  font-weight: 500;
  transition: color 0.2s;
}

.contact-link:hover {
  color: var(--color-primary-dark);
}

.contact-text {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.contact-form {
  background: var(--color-surface);
  padding: 2.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--color-text);
  font-size: 0.875rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.875rem;
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  transition: border-color 0.2s;
}

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

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

.form-message {
  padding: 1rem;
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
  font-size: 0.9375rem;
}

.form-message.success {
  background: rgba(20, 184, 166, 0.1);
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.form-message.error {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  border: 1px solid #ef4444;
}

/* Footer */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 4rem 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-section {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.footer-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.footer-text {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.social-link {
  width: 40px;
  height: 40px;
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: all 0.2s;
}

.social-link:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
  transform: translateY(-2px);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  transition: color 0.2s;
}

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

.footer-contact {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.footer-contact svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

.footer-contact a {
  color: var(--color-text-muted);
  transition: color 0.2s;
}

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

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

/* Auth Pages */
.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: linear-gradient(135deg, var(--color-background) 0%, var(--color-surface) 100%);
}

.auth-card {
  width: 100%;
  max-width: 480px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 3rem;
  box-shadow: var(--shadow-lg);
}

.auth-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.auth-logo {
  display: inline-block;
  margin-bottom: 2rem;
}

.auth-header h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.auth-header p {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.auth-form .form-group label {
  color: var(--color-text);
  font-weight: 500;
}

.auth-form .form-group input {
  background: var(--color-background);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.auth-form .form-group input::placeholder {
  color: var(--color-text-muted);
  opacity: 0.6;
}

.auth-footer {
  margin-top: 2rem;
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.auth-footer p {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.auth-footer a {
  color: var(--color-primary);
  font-weight: 500;
  transition: color 0.2s;
}

.auth-footer a:hover {
  color: var(--color-primary-dark);
}

.alert {
  padding: 1rem;
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
  font-size: 0.9375rem;
}

.alert-error {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  border: 1px solid #ef4444;
}

.alert-success {
  background: rgba(20, 184, 166, 0.1);
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

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

  .mobile-menu-toggle {
    display: flex;
  }

  .nav-actions .btn-secondary,
  .nav-actions .btn-primary {
    display: none;
  }

  .hero {
    padding: 120px 0 60px;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-stats {
    gap: 2rem;
  }

  .stat-number {
    font-size: 2rem;
  }

  .section {
    padding: 80px 0;
  }

  .section-header {
    margin: 0 auto 3rem;
  }

  .section-title {
    font-size: 2rem;
  }

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

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

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

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

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

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

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

  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}