/* FILE: assets/styles.css */

/* ========================================
   CSS Variables
   ======================================== */
:root {
  /* Premium Color Palette - Deep Blue & Gold Accent */
  --color-primary: #0a2540;
  --color-primary-dark: #061829;
  --color-primary-light: #1a3a5c;
  --color-accent: #00d4aa;
  --color-accent-light: #00f5c4;
  --color-accent-dark: #00b894;
  --color-gold: #c9a227;
  --color-text: #0a2540;
  --color-text-light: #425466;
  --color-text-muted: #6b7c93;
  --color-bg: #ffffff;
  --color-bg-alt: #f6f9fc;
  --color-bg-dark: #0a2540;
  --color-border: #e3e8ee;
  --color-border-light: #f0f3f7;
  --color-success: #00d4aa;
  --color-gradient-start: #0a2540;
  --color-gradient-end: #1a3a5c;
  --font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --container-max: 1200px;
  --container-narrow: 760px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 5rem;
  --border-radius: 8px;
  --border-radius-lg: 16px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm: 0 1px 3px rgba(10, 37, 64, 0.08);
  --shadow-md: 0 4px 12px rgba(10, 37, 64, 0.1);
  --shadow-lg: 0 8px 30px rgba(10, 37, 64, 0.12);
  --shadow-xl: 0 20px 60px rgba(10, 37, 64, 0.15);
}

/* ========================================
   Reset & Base
   ======================================== */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-family);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
}

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

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

a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

ul, ol {
  padding-left: 1.5rem;
}

li {
  margin-bottom: 0.5rem;
}

/* ========================================
   Typography
   ======================================== */
h1, h2, h3, h4, h5, h6 {
  margin-top: 0;
  margin-bottom: var(--spacing-sm);
  line-height: 1.3;
  color: var(--color-text);
}

h1 {
  font-size: 2.25rem;
  font-weight: 700;
}

h2 {
  font-size: 1.75rem;
  font-weight: 600;
}

h3 {
  font-size: 1.25rem;
  font-weight: 600;
}

p {
  margin-top: 0;
  margin-bottom: var(--spacing-sm);
}

.lead {
  font-size: 1.25rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ========================================
   Layout
   ======================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

/* ========================================
   Header & Navigation
   ======================================== */
.site-header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border-light);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-md);
  gap: var(--spacing-md);
}

.site-logo {
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--color-primary);
  text-decoration: none;
  white-space: nowrap;
  letter-spacing: -0.02em;
}

.site-logo:hover {
  color: var(--color-accent);
  text-decoration: none;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.hamburger {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  position: relative;
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  left: 0;
}

.hamburger::before {
  top: -7px;
}

.hamburger::after {
  top: 7px;
}

.nav-list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--spacing-md);
}

.nav-list a {
  color: var(--color-text-light);
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  padding: var(--spacing-xs) 0;
  transition: color var(--transition);
}

.nav-list a:hover,
.nav-list a.active {
  color: var(--color-primary);
}

/* Mobile Navigation */
@media (max-width: 900px) {
  .nav-toggle {
    display: block;
  }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    display: none;
    padding: var(--spacing-md);
  }

  .main-nav.is-open {
    display: block;
  }

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

  .nav-list li {
    margin-bottom: 0;
  }

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

  .nav-list li:last-child a {
    border-bottom: none;
  }
}

/* ========================================
   Buttons
   ======================================== */
.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: -0.01em;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: #fff;
  box-shadow: var(--shadow-md), 0 0 0 0 rgba(0, 212, 170, 0);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: #fff;
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), 0 0 20px rgba(0, 212, 170, 0.3);
}

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

.btn-secondary:hover {
  background: var(--color-primary);
  color: #fff;
  text-decoration: none;
  transform: translateY(-2px);
}

.btn-accent {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  color: var(--color-primary);
  font-weight: 700;
}

.btn-accent:hover {
  background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-accent) 100%);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
  padding: var(--spacing-xxl) 0 calc(var(--spacing-xxl) * 1.5);
  text-align: center;
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(0, 212, 170, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.hero h1 {
  font-size: 3.25rem;
  max-width: 900px;
  margin: 0 auto var(--spacing-md);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.375rem;
  color: var(--color-text-light);
  max-width: 680px;
  margin: 0 auto var(--spacing-xl);
  line-height: 1.7;
}

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

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.25rem;
  }

  .hero-sub {
    font-size: 1.125rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero-buttons .btn {
    width: 100%;
    max-width: 300px;
  }
}

/* ========================================
   Page Sections
   ======================================== */
section {
  padding: var(--spacing-xl) 0;
}

.page-intro {
  padding: var(--spacing-xxl) 0 var(--spacing-lg);
  text-align: center;
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
  position: relative;
}

.page-intro::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(0, 212, 170, 0.06) 0%, transparent 60%);
  pointer-events: none;
}

.page-intro h1 {
  margin-bottom: var(--spacing-md);
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-intro .lead {
  max-width: 700px;
  margin: 0 auto;
  font-size: 1.25rem;
  color: var(--color-text-light);
}

.alt-bg {
  background: var(--color-bg-alt);
}

/* ========================================
   Cards
   ======================================== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.card-grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-primary) 100%);
  opacity: 0;
  transition: opacity var(--transition);
}

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

.card:hover::before {
  opacity: 1;
}

.card h3 {
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
  font-size: 1.25rem;
}

.card-small {
  padding: var(--spacing-lg);
}

.card-small h3 {
  font-size: 1.125rem;
}

/* ========================================
   Check List
   ======================================== */
.check-list {
  list-style: none;
  padding: 0;
  margin: var(--spacing-lg) 0;
}

.check-list li {
  position: relative;
  padding-left: 2rem;
  margin-bottom: var(--spacing-md);
}

.check-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: bold;
}

/* ========================================
   Services Page
   ======================================== */
.service-section {
  padding: var(--spacing-xl) 0;
}

.service-section h2 {
  margin-bottom: var(--spacing-md);
}

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

.service-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  transition: all var(--transition);
  position: relative;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-primary) 100%);
  opacity: 0;
  transition: opacity var(--transition);
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

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

.service-card:hover::before {
  opacity: 1;
}

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

.note {
  background: var(--color-bg-alt);
  border-left: 3px solid var(--color-primary);
  padding: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

/* ========================================
   FAQ Section
   ======================================== */
.faq-list {
  max-width: var(--container-narrow);
  margin: 0 auto;
}

.faq-item {
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
}

.faq-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.faq-item h3 {
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.faq-item p {
  color: var(--color-text-light);
  margin-bottom: 0;
}

/* ========================================
   Process Steps
   ======================================== */
.process-steps {
  padding: var(--spacing-xl) 0;
}

.process-step {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  max-width: var(--container-narrow);
  margin-left: auto;
  margin-right: auto;
  background: var(--color-bg);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.process-step:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

.process-step:last-child {
  margin-bottom: 0;
}

.step-number {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  color: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  box-shadow: var(--shadow-md);
}

.step-content h2 {
  margin-top: 0.5rem;
}

@media (max-width: 600px) {
  .process-step {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
}

/* ========================================
   Case Studies
   ======================================== */
.case-studies {
  padding: var(--spacing-xl) 0;
}

.case-study {
  max-width: var(--container-narrow);
  margin: 0 auto var(--spacing-xxl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--color-border);
}

.case-study:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.case-study h2 {
  color: var(--color-primary);
}

.case-section {
  margin-bottom: var(--spacing-lg);
}

.case-section h3 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xs);
}

/* ========================================
   Resources / Guides
   ======================================== */
.resource-guide {
  max-width: var(--container-narrow);
  margin: 0 auto;
}

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

.guide-section h3 {
  color: var(--color-primary);
}

.checklist {
  list-style: none;
  padding: 0;
}

.checklist li {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: var(--spacing-sm);
}

.checklist li::before {
  content: '☐';
  position: absolute;
  left: 0;
}

/* ========================================
   Blog
   ======================================== */
.blog-list {
  padding: var(--spacing-xl) 0;
}

.blog-preview {
  max-width: var(--container-narrow);
  margin: 0 auto var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--color-border);
}

.blog-preview:last-child {
  border-bottom: none;
}

.blog-preview h2 {
  margin-bottom: var(--spacing-xs);
}

.blog-preview h2 a {
  color: var(--color-text);
}

.blog-preview h2 a:hover {
  color: var(--color-primary);
}

.blog-meta {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  margin-bottom: var(--spacing-sm);
}

.blog-excerpt {
  color: var(--color-text-light);
}

.read-more {
  font-weight: 600;
}

/* Blog Post */
.blog-post {
  padding: var(--spacing-xl) 0;
}

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

.post-header h1 {
  margin-bottom: var(--spacing-sm);
}

.post-content h2 {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

.post-content h3 {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

.post-footer {
  margin-top: var(--spacing-xxl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border);
}

.post-cta {
  background: var(--color-bg-alt);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  text-align: center;
}

.post-cta h2 {
  margin-bottom: var(--spacing-sm);
}

.post-cta p {
  margin-bottom: var(--spacing-md);
}

/* ========================================
   About Page
   ======================================== */
.about-content {
  padding: var(--spacing-lg) 0 var(--spacing-xl);
}

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

.about-section h2 {
  margin-bottom: var(--spacing-md);
}

/* ========================================
   Contact Page
   ======================================== */
.contact-section {
  padding: var(--spacing-lg) 0 var(--spacing-xl);
}

.contact-form {
  margin-bottom: var(--spacing-xl);
}

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

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.required {
  color: #c0392b;
}

.optional {
  font-weight: 400;
  color: var(--color-text-muted);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  font-size: 1rem;
  font-family: inherit;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  transition: border-color var(--transition);
}

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

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

.form-success {
  background: #e8f5e9;
  border: 1px solid var(--color-success);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  text-align: center;
}

.form-success h2 {
  color: var(--color-success);
  margin-bottom: var(--spacing-sm);
}

.contact-note {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border);
}

.contact-note h2 {
  font-size: 1.25rem;
}

/* ========================================
   Tools Page
   ======================================== */
.tool-section {
  padding: var(--spacing-xl) 0;
}

.tool-card {
  max-width: var(--container-narrow);
  margin: 0 auto;
}

.tool-card h2 {
  margin-bottom: var(--spacing-sm);
}

.tool-form {
  margin: var(--spacing-lg) 0;
}

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

.tool-result {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  text-align: center;
}

.tool-result h3 {
  margin-bottom: var(--spacing-sm);
  font-size: 1rem;
  color: var(--color-text-muted);
}

.result-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

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

.result-summary {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-md);
}

.result-details {
  text-align: left;
}

.result-details ul {
  margin: 0;
}

.tool-explanation {
  background: var(--color-bg-alt);
  border-left: 3px solid var(--color-primary);
  padding: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.tool-explanation p {
  margin: 0;
}

/* Checklist Items */
.checklist-items {
  margin-bottom: var(--spacing-md);
}

.checkbox-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
  cursor: pointer;
}

.checkbox-item input[type="checkbox"] {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  flex-shrink: 0;
}

.checkbox-item span {
  line-height: 1.5;
}

/* Email Template */
.email-template {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  margin: var(--spacing-lg) 0;
  overflow-x: auto;
}

.email-template pre {
  margin: 0;
  font-family: inherit;
  font-size: 0.9375rem;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.copy-feedback {
  color: var(--color-success);
  font-weight: 600;
  margin-top: var(--spacing-sm);
}

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
  text-align: center;
  padding: var(--spacing-xxl) 0;
}

.cta-section h2 {
  margin-bottom: var(--spacing-sm);
}

.cta-section p {
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-light);
}

/* ========================================
   Footer
   ======================================== */
.site-footer {
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  padding: var(--spacing-xxl) 0 var(--spacing-lg);
  margin-top: var(--spacing-xl);
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
}

.footer-logo {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.footer-tagline {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--spacing-sm);
}

.footer-email a {
  color: #fff;
}

.footer-email a:hover {
  color: rgba(255, 255, 255, 0.8);
}

.footer-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm) var(--spacing-md);
}

.footer-nav a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9375rem;
}

.footer-nav a:hover {
  color: #fff;
}

.footer-copyright {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
  margin: 0;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

@media (max-width: 600px) {
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .footer-nav ul {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
}

/* ========================================
   Utility Classes
   ======================================== */
[hidden] {
  display: none !important;
}

/* ========================================
   Language Switcher
   ======================================== */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: var(--spacing-md);
  padding-left: var(--spacing-md);
  border-left: 1px solid var(--color-border);
}

.lang-btn {
  padding: 0.25rem 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-muted);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition);
}

.lang-btn:hover {
  color: var(--color-primary);
  background: var(--color-bg-alt);
}

.lang-btn.active {
  color: var(--color-primary);
  background: var(--color-bg-alt);
  border-color: var(--color-border);
}

@media (max-width: 900px) {
  .lang-switcher {
    margin-left: 0;
    padding-left: 0;
    border-left: none;
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-border);
    justify-content: center;
  }
}

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

/* Tablet (768px - 1024px) */
@media (max-width: 1024px) and (min-width: 769px) {
  .container {
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
  }

  .hero h1 {
    font-size: 2.75rem;
  }

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

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

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

  .footer-content {
    gap: var(--spacing-lg);
  }
}

/* Mobile (up to 768px) */
@media (max-width: 768px) {
  :root {
    --spacing-xxl: 3rem;
  }

  .container {
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
  }

  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .page-intro h1 {
    font-size: 2rem;
  }

  .page-intro .lead {
    font-size: 1.0625rem;
  }

  .card-grid,
  .card-grid-4 {
    grid-template-columns: 1fr;
  }

  .service-cards {
    grid-template-columns: 1fr;
  }

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

  .stat-number {
    font-size: 2.25rem;
  }

  .testimonial-card {
    padding: var(--spacing-lg);
  }

  .testimonial-text {
    font-size: 1.0625rem;
  }

  .testimonial-author {
    flex-direction: column;
    text-align: center;
  }

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

  .image-placeholder.hero-image {
    height: 250px;
  }

  .image-placeholder.feature-image {
    height: 200px;
  }

  .image-placeholder.blog-image {
    height: 200px;
  }

  .check-list li {
    padding-left: 1.5rem;
  }

  .section-header h2 {
    font-size: 1.75rem;
  }
}

/* ========================================
   Cookie Consent Banner
   ======================================== */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-primary);
  color: #fff;
  padding: var(--spacing-md) var(--spacing-lg);
  z-index: 9999;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
  display: none;
}

.cookie-banner.show {
  display: block;
}

.cookie-content {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.cookie-text {
  flex: 1;
  min-width: 300px;
}

.cookie-text p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.5;
}

.cookie-text a {
  color: var(--color-accent);
}

.cookie-buttons {
  display: flex;
  gap: var(--spacing-sm);
  flex-shrink: 0;
}

.cookie-btn {
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition);
}

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

.cookie-btn-accept:hover {
  background: var(--color-accent-light);
}

.cookie-btn-decline {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.cookie-btn-decline:hover {
  background: rgba(255, 255, 255, 0.1);
}

@media (max-width: 600px) {
  .cookie-content {
    flex-direction: column;
    text-align: center;
  }
  
  .cookie-text {
    min-width: auto;
  }
  
  .cookie-buttons {
    width: 100%;
    justify-content: center;
  }
}

/* ========================================
   Legal Pages
   ======================================== */
.legal-content {
  padding: var(--spacing-xl) 0;
}

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

.legal-section h2 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
  font-size: 1.5rem;
}

.legal-section h3 {
  color: var(--color-text);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  font-size: 1.125rem;
}

.legal-section p {
  margin-bottom: var(--spacing-md);
}

.legal-section ul {
  margin-bottom: var(--spacing-md);
}

/* ========================================
   Thank You Page
   ======================================== */
.thank-you-section {
  min-height: 60vh;
  display: flex;
  align-items: center;
}

.thank-you-content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.thank-you-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  color: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  font-weight: bold;
  margin: 0 auto var(--spacing-lg);
  box-shadow: 0 8px 30px rgba(0, 212, 170, 0.3);
}

.thank-you-content h1 {
  margin-bottom: var(--spacing-md);
}

.thank-you-content .lead {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
}

.thank-you-content p {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
}

.thank-you-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* Small Mobile (up to 480px) */
@media (max-width: 480px) {
  body {
    font-size: 1rem;
  }

  .hero h1,
  .page-intro h1 {
    font-size: 1.625rem;
  }

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

  .btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.9375rem;
    width: 100%;
  }

  .card {
    padding: var(--spacing-lg);
  }

  .process-step {
    padding: var(--spacing-lg);
  }

  .step-number {
    width: 48px;
    height: 48px;
    font-size: 1.25rem;
  }

  .footer-nav ul {
    flex-direction: column;
    align-items: center;
  }
}

/* ========================================
   Image Placeholders
   ======================================== */
.image-placeholder {
  background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-border-light) 100%);
  border: 2px dashed var(--color-border);
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  text-align: center;
  padding: var(--spacing-lg);
  position: relative;
  overflow: hidden;
}

.image-placeholder::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, transparent 40%, rgba(255,255,255,0.5) 50%, transparent 60%);
  background-size: 200% 200%;
  animation: shimmer 3s infinite;
}

@keyframes shimmer {
  0% { background-position: -200% -200%; }
  100% { background-position: 200% 200%; }
}

.image-placeholder-icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--spacing-sm);
  opacity: 0.5;
}

.image-placeholder-text {
  position: relative;
  z-index: 1;
}

/* Hero Image */
.hero-image {
  width: 100%;
  max-width: 1000px;
  height: 400px;
  margin: var(--spacing-xl) auto 0;
}

/* Card Image */
.card-image {
  width: 100%;
  height: 200px;
  margin-bottom: var(--spacing-md);
  border-radius: var(--border-radius);
}

/* About Image */
.about-image {
  width: 100%;
  height: 300px;
  margin-bottom: var(--spacing-lg);
}

/* Feature Image */
.feature-image {
  width: 100%;
  height: 280px;
  margin: var(--spacing-lg) 0;
}

/* Team/Company Image */
.team-image {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  margin: 0 auto var(--spacing-lg);
}

/* Case Study Image */
.case-image {
  width: 100%;
  height: 240px;
  margin: var(--spacing-md) 0;
}

/* Blog Post Image */
.blog-image {
  width: 100%;
  height: 320px;
  margin-bottom: var(--spacing-lg);
}

/* Icon Placeholder */
.icon-placeholder {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
  font-size: 1.5rem;
  font-weight: 700;
}

/* Stats Section */
.stats-section {
  padding: var(--spacing-xxl) 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: #fff;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
  text-align: center;
}

.stat-item {
  padding: var(--spacing-lg);
}

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: var(--spacing-xs);
  background: linear-gradient(135deg, #fff 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 1rem;
  opacity: 0.9;
}

/* Testimonial Section */
.testimonial-section {
  padding: var(--spacing-xxl) 0;
}

.testimonial-card {
  background: var(--color-bg);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-lg);
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: -20px;
  left: 40px;
  font-size: 8rem;
  color: var(--color-accent);
  opacity: 0.2;
  font-family: Georgia, serif;
  line-height: 1;
}

.testimonial-text {
  font-size: 1.25rem;
  font-style: italic;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
  position: relative;
  z-index: 1;
}

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

.testimonial-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
}

.testimonial-info {
  text-align: left;
}

.testimonial-name {
  font-weight: 700;
  color: var(--color-primary);
}

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

/* Logo Grid */
.logo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-lg);
  align-items: center;
  justify-items: center;
  padding: var(--spacing-xl) 0;
}

.logo-placeholder {
  width: 120px;
  height: 60px;
  background: var(--color-bg-alt);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  opacity: 0.7;
  transition: opacity var(--transition);
}

.logo-placeholder:hover {
  opacity: 1;
}

/* Section Headers */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-header h2 {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: var(--spacing-sm);
}

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

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
}