/* ===== CSS CUSTOM PROPERTIES ===== */
:root {
  /* Energy Palette — greens + warm amber */
  --color-primary: #16a34a;
  --color-primary-dark: #15803d;
  --color-primary-light: #dcfce7;
  --color-accent: #f59e0b;
  --color-accent-dark: #d97706;
  --color-text: #1f2937;
  --color-text-light: #6b7280;
  --color-bg: #ffffff;
  --color-bg-alt: #f0fdf4;
  --color-bg-dark: #111827;
  --color-border: #e5e7eb;
  --color-success: #059669;
  --color-error: #dc2626;

  /* Typography */
  --font-heading: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-size-base: 1rem;
  --font-size-sm: 0.875rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --line-height-body: 1.6;
  --line-height-heading: 1.2;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-section: 4rem;

  /* Layout */
  --container-max: 1200px;
  --container-padding: 1rem;
  --border-radius: 0.5rem;
  --border-radius-lg: 1rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 25px rgba(0,0,0,0.1);
}

/* ===== RESET & BASE ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

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

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

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

a:hover {
  text-decoration: underline;
}

ul, ol {
  list-style-position: inside;
}

/* Accessibility: skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  background: var(--color-primary);
  color: white;
  padding: var(--space-sm) var(--space-md);
  z-index: 1000;
}

.skip-link:focus {
  top: 0;
}

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

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: var(--line-height-heading);
  color: var(--color-text);
}

h1 {
  font-size: clamp(1.75rem, 5vw, 3rem);
  font-weight: 700;
  margin-bottom: var(--space-lg);
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 700;
  margin-bottom: var(--space-md);
}

h3 {
  font-size: clamp(1.125rem, 3vw, 1.5rem);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.section-intro {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  max-width: 700px;
  margin-bottom: var(--space-2xl);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--border-radius);
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  min-height: 44px;
  min-width: 44px;
}

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

.btn-primary:hover {
  background: var(--color-primary-dark);
  text-decoration: none;
}

.btn-submit {
  background: var(--color-accent);
  color: var(--color-text);
  width: 100%;
  padding: 1rem;
  font-size: var(--font-size-lg);
  font-weight: 700;
}

.btn-submit:hover {
  background: var(--color-accent-dark);
}

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

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

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: var(--font-size-sm);
}

.btn-full {
  width: 100%;
}

/* ===== HEADER ===== */
.site-header {
  position: sticky;
  top: 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
  padding: var(--space-sm) 0;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--font-size-lg);
  color: var(--color-primary);
  text-decoration: none;
  white-space: nowrap;
}

.logo:hover {
  text-decoration: none;
}

.logo-icon {
  font-size: 1.5rem;
}

/* Mobile menu toggle */
.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
}

.hamburger,
.hamburger::before,
.hamburger::after {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: all 0.3s ease;
}

.hamburger {
  position: relative;
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  left: 0;
}

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

/* Navigation */
.nav-list {
  list-style: none;
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  padding: var(--space-md);
}

.nav-list.nav-open {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.nav-list a {
  display: block;
  padding: var(--space-sm) var(--space-md);
  color: var(--color-text);
  font-weight: 500;
  min-height: 44px;
  line-height: 44px;
}

/* Language switcher */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 2px;
  font-size: var(--font-size-sm);
}

.lang-switch a,
.lang-switch .lang-active {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 10px;
  border-radius: 6px;
  line-height: 1;
  min-height: auto;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease;
}

.lang-switch a {
  color: var(--color-text-light);
}

.lang-switch a:hover {
  background: var(--color-bg-alt);
  color: var(--color-text);
}

.lang-active {
  font-weight: 700;
  color: var(--color-primary);
  background: rgba(22, 163, 74, 0.08);
}

/* Lang switch inside mobile nav */
li.lang-switch,
li:has(.lang-switch) {
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-xs);
  padding-top: var(--space-sm);
}

li.lang-switch a,
li:has(.lang-switch) a,
li.lang-switch .lang-active {
  min-height: auto;
  line-height: 1;
  padding: 6px 10px;
}

/* Lang switch as standalone div (outside nav) — show on mobile */
.site-header > .container > .lang-switch {
  position: absolute;
  right: 60px;
  top: 50%;
  transform: translateY(-50%);
}

/* Header CTA hidden on mobile */
.header-cta {
  display: none;
}

/* ===== HERO ===== */
.hero {
  padding: var(--space-2xl) 0 var(--space-3xl);
  background: var(--color-bg-alt);
}

.hero-content {
  margin-bottom: var(--space-2xl);
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  margin-bottom: var(--space-lg);
}

.trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.badge {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-primary-dark);
  background: var(--color-primary-light);
  padding: var(--space-xs) var(--space-sm);
  border-radius: 100px;
}

/* ===== FORMS ===== */
.lead-form {
  background: var(--color-bg);
  padding: var(--space-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

.form-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-lg);
  text-align: center;
}

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

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--space-xs);
  font-size: var(--font-size-sm);
}

.required {
  color: var(--color-error);
}

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

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--border-radius);
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  transition: border-color 0.2s;
  min-height: 44px;
  background: var(--color-bg);
  color: var(--color-text);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.input-error {
  border-color: var(--color-error) !important;
}

.field-error {
  display: block;
  color: var(--color-error);
  font-size: var(--font-size-sm);
  margin-top: var(--space-xs);
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
}

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

.form-checkbox label {
  font-size: var(--font-size-sm);
  margin-bottom: 0;
}

.form-note {
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin-top: var(--space-md);
}

.form-message {
  padding: var(--space-md);
  border-radius: var(--border-radius);
  margin-top: var(--space-md);
  font-weight: 500;
}

.form-message-success {
  background: #ecfdf5;
  color: var(--color-success);
  border: 1px solid #a7f3d0;
}

.form-message-error {
  background: #fef2f2;
  color: var(--color-error);
  border: 1px solid #fecaca;
}

.contact-email {
  text-align: center;
  margin-top: var(--space-lg);
  color: var(--color-text-light);
}

/* ===== SECTIONS ===== */
section {
  padding: var(--space-section) 0;
}

section:nth-child(even) {
  background: var(--color-bg-alt);
}

section h2 {
  text-align: center;
}

section .section-intro {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

/* ===== PAIN POINTS ===== */
.pain-grid {
  display: grid;
  gap: var(--space-lg);
}

.pain-card {
  padding: var(--space-xl);
  background: var(--color-bg);
  border-radius: var(--border-radius-lg);
  border-left: 4px solid var(--color-accent);
  box-shadow: var(--shadow-sm);
}

.pain-icon {
  font-size: 2rem;
  margin-bottom: var(--space-sm);
  display: block;
}

/* ===== SERVICES ===== */
.services-grid {
  display: grid;
  gap: var(--space-lg);
}

.service-card {
  padding: var(--space-xl);
  background: var(--color-bg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  text-align: center;
  transition: box-shadow 0.2s ease;
}

.service-card:hover {
  box-shadow: var(--shadow-md);
}

.service-card a {
  color: inherit;
  text-decoration: none;
}

.service-card a:hover {
  text-decoration: none;
}

.service-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
}

/* ===== ADVANTAGES ===== */
.advantages {
  background: var(--color-bg-alt);
}

.advantages-grid {
  display: grid;
  gap: var(--space-lg);
}

.advantage-item {
  text-align: center;
  padding: var(--space-lg);
}

.adv-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-sm);
  display: block;
}

/* ===== TESTIMONIALS ===== */
.testimonial-grid {
  display: grid;
  gap: var(--space-lg);
}

.testimonial-card {
  background: var(--color-bg);
  padding: var(--space-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  border: none;
  font-style: italic;
}

.testimonial-card footer {
  margin-top: var(--space-md);
  font-style: normal;
  font-weight: 600;
  color: var(--color-text-light);
}

/* ===== PROCESS ===== */
.process-steps {
  list-style: none;
  counter-reset: step;
}

.step {
  padding: var(--space-lg);
  padding-left: 4rem;
  position: relative;
  border-left: 2px solid var(--color-primary-light);
  margin-left: 1rem;
}

.step:last-child {
  border-left-color: transparent;
}

.step-number {
  position: absolute;
  left: -1rem;
  top: var(--space-lg);
  width: 2rem;
  height: 2rem;
  background: var(--color-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--font-size-sm);
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-lg) 0;
}

.faq-item h3 {
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0;
}

.faq-item h3::after {
  content: '+';
  font-size: var(--font-size-xl);
  color: var(--color-primary);
  flex-shrink: 0;
  margin-left: var(--space-md);
}

.faq-item.open h3::after {
  content: '−';
}

.faq-answer {
  display: none;
  padding-top: var(--space-md);
  color: var(--color-text-light);
  line-height: 1.7;
}

.faq-item.open .faq-answer {
  display: block;
}

/* ===== FINAL CTA ===== */
.final-cta {
  background: var(--color-bg-dark);
  color: white;
  text-align: center;
}

.final-cta h2 {
  color: white;
}

.final-cta .cta-subtitle {
  color: rgba(255,255,255,0.8);
  margin-bottom: var(--space-2xl);
}

.final-cta .contact-email {
  color: rgba(255,255,255,0.8);
  margin-top: var(--space-lg);
}

.final-cta .contact-email a {
  color: white;
}

.final-cta .lead-form {
  max-width: 500px;
  margin: 0 auto;
  color: var(--color-text);
}

/* ===== BREADCRUMB ===== */
.breadcrumb {
  padding: var(--space-md) 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

.breadcrumb a {
  color: var(--color-text-light);
}

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

.breadcrumb span {
  margin: 0 var(--space-xs);
}

/* ===== ARTICLE / BLOG ===== */
.article-content {
  max-width: 800px;
  margin: 0 auto;
}

.article-content h2 {
  text-align: left;
  margin-top: var(--space-2xl);
}

.article-content h3 {
  margin-top: var(--space-xl);
}

.article-content p {
  margin-bottom: var(--space-md);
}

.article-content ul,
.article-content ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-xl);
  list-style-position: outside;
}

.article-content li {
  margin-bottom: var(--space-sm);
}

.article-content blockquote {
  border-left: 4px solid var(--color-primary);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-bg-alt);
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
  margin: var(--space-lg) 0;
}

.article-cta {
  background: var(--color-primary-light);
  border: 2px solid var(--color-primary);
  border-radius: var(--border-radius-lg);
  padding: var(--space-xl);
  text-align: center;
  margin: var(--space-2xl) 0;
}

.article-cta h3 {
  color: var(--color-primary-dark);
}

/* ===== COMPARISON TABLE ===== */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-lg) 0;
}

.comparison-table th,
.comparison-table td {
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  text-align: left;
}

.comparison-table th {
  background: var(--color-bg-alt);
  font-weight: 600;
}

.comparison-table tr:nth-child(even) {
  background: var(--color-bg-alt);
}

/* ===== LEGAL PAGES ===== */
.legal-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-2xl) 0;
}

.legal-content h1 {
  margin-bottom: var(--space-xl);
}

.legal-content h2 {
  text-align: left;
  margin-top: var(--space-2xl);
  font-size: var(--font-size-2xl);
}

.legal-content h3 {
  margin-top: var(--space-lg);
}

.legal-content p {
  margin-bottom: var(--space-md);
  color: var(--color-text-light);
}

.legal-content ul {
  margin-bottom: var(--space-md);
  padding-left: var(--space-xl);
  list-style-position: outside;
}

.legal-content li {
  margin-bottom: var(--space-sm);
  color: var(--color-text-light);
}

.legal-content .last-updated {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin-bottom: var(--space-xl);
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--color-bg-dark);
  color: rgba(255,255,255,0.7);
  padding: var(--space-2xl) 0 var(--space-lg);
  font-size: var(--font-size-sm);
}

.site-footer a {
  color: rgba(255,255,255,0.9);
}

.footer-grid {
  display: grid;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-brand {
  font-weight: 700;
  color: white;
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-sm);
}

.footer-contact p {
  margin-bottom: var(--space-xs);
}

.footer-links ul {
  list-style: none;
}

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

.footer-legal {
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-copy {
  margin-top: var(--space-md);
  color: rgba(255,255,255,0.4);
}

/* ===== MOBILE STICKY CTA ===== */
.mobile-sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-sm);
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  z-index: 90;
}

/* ===== COOKIE BANNER ===== */
.cookie-banner {
  position: fixed;
  bottom: 60px;
  left: var(--space-md);
  right: var(--space-md);
  background: var(--color-bg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--space-lg);
  z-index: 95;
}

.cookie-content p {
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-sm);
}

.cookie-actions {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

/* ===== THANK YOU PAGE ===== */
.thank-you {
  text-align: center;
  padding: var(--space-3xl) 0;
  min-height: 60vh;
  display: flex;
  align-items: center;
}

.thank-you-icon {
  font-size: 4rem;
  margin-bottom: var(--space-lg);
}

.thank-you h1 {
  color: var(--color-primary);
}

/* =================================================
   TABLET BREAKPOINT (768px)
   ================================================= */
@media (min-width: 768px) {
  :root {
    --space-section: 5rem;
    --container-padding: 1.5rem;
  }

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

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

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

  .hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: start;
  }

  .hero-content {
    margin-bottom: 0;
  }

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

  .cookie-banner {
    left: auto;
    right: var(--space-lg);
    max-width: 400px;
  }
}

/* =================================================
   DESKTOP BREAKPOINT (1024px)
   ================================================= */
@media (min-width: 1024px) {
  :root {
    --space-section: 6rem;
    --container-padding: 2rem;
  }

  .menu-toggle {
    display: none;
  }

  .nav-list {
    display: flex !important;
    position: static;
    background: none;
    border: none;
    box-shadow: none;
    padding: 0;
    gap: var(--space-sm);
    flex-direction: row;
  }

  .nav-list a {
    padding: var(--space-xs) var(--space-sm);
    line-height: normal;
    min-height: auto;
  }

  /* Reset mobile lang-switch border on desktop */
  li.lang-switch,
  li:has(.lang-switch) {
    border-top: none;
    margin-top: 0;
    padding-top: 0;
    margin-left: var(--space-sm);
  }

  /* Standalone lang-switch — reset mobile positioning */
  .site-header > .container > .lang-switch {
    position: static;
    transform: none;
  }

  .header-cta {
    display: inline-flex;
  }

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

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

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

  .mobile-sticky-cta {
    display: none;
  }

  .cookie-banner {
    bottom: var(--space-lg);
  }

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

/* =================================================
   WIDE BREAKPOINT (1280px)
   ================================================= */
@media (min-width: 1280px) {
  .advantages-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ===== PRINT ===== */
@media print {
  .site-header,
  .mobile-sticky-cta,
  .cookie-banner,
  .lead-form,
  .final-cta {
    display: none;
  }

  body {
    font-size: 12pt;
    color: black;
  }

  a {
    color: black;
    text-decoration: underline;
  }
}