/* ===== GOOGLE FONTS IMPORT ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@700;800&display=swap');

/* ===== HERO COLUMNS CUSTOM ===== */
.hero-columns {
  display: flex;
  gap: 2rem;
  width: 100%;
  max-width: 1400px;
  min-height: auto;
  justify-content: center;
  align-items: flex-start;
  position: relative;
  margin: 2rem auto;
  padding: 1rem 2rem;
}

@media (max-width: 768px) {
  .hero-columns {
    padding: 1rem 1.5rem;
  }
}

@media (max-width: 480px) {
  .hero-columns {
    padding: 1rem;
  }
}

.hero-col {
  flex: 1;
  min-width: 300px;
  display: flex;
  align-items: stretch;
  justify-content: center;
}

.hero-col.gauche {
  flex: 1.2;
  justify-content: flex-start;
}
.hero-col.droite {
  flex: 0.8;
  justify-content: flex-end;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-self: center;
}

.hero-card-droite {
  background: var(--bg-light-alt);
  border: 2px solid var(--orange);
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: 0 4px 16px rgba(255, 122, 61, 0.08);
  width: 100%;
  transition: all var(--transition-base);
  cursor: pointer;
}

.hero-card-droite:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 32px rgba(255, 122, 61, 0.25), 0 6px 16px rgba(255, 122, 61, 0.15);
  border-color: #FF6B35;
}

.hero-card-droite h2 {
  font-family: var(--font-headline);
  color: var(--orange);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.hero-card-droite p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.hero-card {
  background: var(--bg-light-alt);
  border: 2px solid var(--purple);
  border-radius: 24px;
  padding: 2.5rem 2rem;
  box-shadow: 0 4px 16px rgba(147, 112, 219, 0.08);
  width: 100%;
  min-height: auto;
  height: auto;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: all var(--transition-base);
  cursor: pointer;
}

.hero-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 32px rgba(147, 112, 219, 0.25), 0 6px 16px rgba(147, 112, 219, 0.15);
  border-color: #8060db;
}

.hero-card h1 {
  font-family: var(--font-headline);
  color: var(--purple);
  font-weight: 700;
}

.hero-card img {
  display: block;
  width: 100%;
  max-width: 400px;
  height: auto;
  margin: 20px 0;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  object-fit: cover;
}

@media (max-width: 1024px) {
  .hero-columns {
    flex-direction: column;
    gap: 2rem;
    align-items: stretch;
  }
  .hero-col {
    width: 100%;
    max-width: 100%;
  }
  .hero-col.gauche,
  .hero-col.droite {
    flex: 1;
  }
}
/* ===== DESIGN SYSTEM ===== */
:root {
  /* Primary Colors */
  --purple-soft: #A78BCC;
  --purple: #9370db;
  --black-deep: #0D0D0D;
  --black: #1a1a1a;
  --orange: #FF7A3D;
  --white: #FFFFFF;
  
  /* Semantic Colors */
  --text-primary: #1a1a1a;
  --text-secondary: #555555;
  --text-muted: #888888;
  --text-light: #FFFFFF;
  --bg-light: #FFFFFF;
  --bg-light-alt: #F8F7FC;
  --bg-dark: #0D0D0D;
  --border: #E5E5E5;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  
  /* Typography */
  --font-headline: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  
  /* Line Heights */
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
  --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.2);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;
}

/* ===== RESET ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

#accueil,
#services,
#valeurs,
#contact {
  scroll-margin-top: 110px;
}

body {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--text-primary);
  background: var(--bg-light);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headline);
}

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

button {
  font-family: inherit;
  cursor: pointer;
}

/* ===== UTILITIES ===== */
.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  width: 100%;
}

/* ===== HEADER ===== */
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.logo-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
  cursor: pointer;
  text-decoration: none;
}

.logo-image {
  height: 54px;
  width: auto;
  max-width: 160px;
  object-fit: contain;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex: 1;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  color: var(--orange);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--orange);
  transition: width var(--transition-fast);
}

.nav-link:hover::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-shrink: 0;
}

.lang-select select {
  background: var(--bg-light-alt);
  border: 1px solid var(--border);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: border-color var(--transition-fast);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  padding-right: 28px;
}

.lang-select select:hover {
  border-color: var(--purple);
}

.custom-select {
  position: relative;
  min-width: 100px;
  user-select: none;
}

.select-selected {
  background: var(--bg-light-alt);
  border: 1px solid var(--border);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: border-color var(--transition-fast);
  position: relative;
}

.select-selected::after {
  content: '';
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 5px solid var(--text-secondary);
}

.select-selected:hover {
  border-color: var(--purple);
}

.select-items {
  position: absolute;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  z-index: 99;
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.select-hide {
  display: none;
}

.select-item {
  padding: 0.5rem 0.75rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: background var(--transition-fast);
}

.select-item:hover {
  background: var(--bg-light-alt);
}

.flag-icon {
  height: 20px;
  width: 23px;
  object-fit: cover;
}

/* ===== CTA BUTTONS ===== */
.cta-btn-primary {
  background: linear-gradient(135deg, var(--orange) 0%, #FF6B35 100%);
  color: var(--white);
  border: none;
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 12px rgba(255, 122, 61, 0.3);
}

.cta-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(255, 122, 61, 0.4);
}

.cta-btn-primary:active {
  transform: translateY(0);
}

.cta-btn-primary.large {
  padding: 0.8rem 2rem;
  font-size: 1rem;
}

.cta-btn-secondary {
  background: var(--bg-light-alt);
  color: var(--black);
  border: 2px solid var(--purple);
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  transition: all var(--transition-fast);
  display: inline-block;
}

.cta-btn-secondary:hover {
  background: var(--purple);
  color: var(--white);
  transform: translateY(-2px);
}

.cta-btn-secondary.large {
  padding: 0.8rem 2rem;
  font-size: 1rem;
}

/* ===== HERO SECTION ===== */
.hero {
  width: 100%;
  min-height: 70vh;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(243, 236, 250, 0.95) 0%, rgba(217, 200, 239, 0.95) 100%), url('assets/images/innovation.svg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  z-index: 2;
}

.hero-title {
  font-family: var(--font-headline);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: var(--line-height-tight);
  color: var(--black-deep);
  background: linear-gradient(135deg, var(--black-deep) 0%, var(--purple) 50%, var(--orange) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  max-width: 500px;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
    background: linear-gradient(135deg, #e6d8f6 60%, #bca6e7 100%);
}

.hero-visual {
  position: relative;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.gradient-globe {
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 30% 30%, var(--purple-soft) 0%, var(--orange) 100%);
  border-radius: 50%;
  background: linear-gradient(135deg, #f8f6fc 0%, #ede6fa 100%);
  box-shadow: 0 20px 40px rgba(255, 122, 61, 0.3), inset -30px -30px 60px rgba(0, 0, 0, 0.1);
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

/* ===== SERVICES SECTION ===== */
.services {
  padding: 6rem 2rem;
  background: var(--white);
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.section-header h2 {
  font-family: var(--font-headline);
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 1rem;
  color: var(--black-deep);
}

.section-header p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  max-width: 980px;
  margin: 0 auto;
}

@media (min-width: 769px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.service-card {
  background: var(--bg-light-alt);
  border: 1px solid var(--border);
    background: linear-gradient(135deg, #f8f6fc 0%, #ede6fa 100%);
  padding: 2.5rem;
  transition: all var(--transition-base);
    background: linear-gradient(135deg, #f3ecfa 0%, #d9c8ef 100%);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  border-color: var(--orange);
}

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  line-height: 1;
  color: var(--white);
  box-shadow: var(--shadow-sm);
}

.service-icon--purple {
  background: var(--purple);
}

.service-icon--purple-dark {
  background: linear-gradient(135deg, var(--purple) 0%, #5f4795 100%);
}

.service-icon--orange {
  background: var(--orange);
}

.service-icon--gradient {
  background: linear-gradient(135deg, var(--purple) 0%, var(--orange) 100%);
}

.service-card h3 {
  font-family: var(--font-headline);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--black);
}

.service-card p {
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  flex-grow: 1;
}

/* ===== VALUES SECTION ===== */
.values {
  padding: 6rem 2rem;
  background: linear-gradient(180deg, var(--bg-light) 0%, var(--bg-light-alt) 100%);
}

.values-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  max-width: 980px;
  margin: 0 auto;
}

@media (min-width: 769px) {
  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.value-item {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.value-number {
  font-size: 3rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--purple) 0%, var(--orange) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.value-item h3 {
  font-family: var(--font-headline);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--black);
}

.value-item p {
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
}

/* ===== CTA SECTION ===== */
.cta-section {
  background: linear-gradient(135deg, var(--purple-soft) 0%, var(--orange) 100%);
  color: var(--white);
  padding: 4rem 2rem;
  text-align: center;
}

.cta-content {
  max-width: 700px;
  margin: 0 auto;
}

.cta-section h2 {
  font-family: var(--font-headline);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 1rem;
  color: var(--white);
}

.cta-section p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  opacity: 0.95;
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--black-deep);
  color: var(--white);
  padding: 3rem 2rem 2rem;
  margin-top: auto;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
}

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

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-block {
  border: 2px solid var(--orange);
  border-radius: 12px;
  padding: 2rem;
  background: rgba(255, 255, 255, 0.03);
}

.footer-block h3 {
  font-family: var(--font-headline);
  color: var(--orange);
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
}

.footer-block p {
  color: rgba(255, 255, 255, 0.7);
  line-height: var(--line-height-relaxed);
  margin-bottom: 1rem;
}

.footer-block ul {
  list-style: none;
  padding: 0;
}

.footer-block li {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0.5rem;
}

.footer-block.center {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.contact-btn {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.7rem 1.5rem;
  background: var(--orange);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.contact-btn:hover {
  background: #FF6B35;
  transform: translateY(-2px);
}

.footer-col h4 {
  font-family: var(--font-headline);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1rem;
  background: linear-gradient(90deg, var(--purple-soft), var(--orange));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-col p,
.footer-col li {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0.5rem;
  line-height: var(--line-height-relaxed);
}

.footer-col a {
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--orange);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
}

/* ===== MODAL ===== */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  animation: fadeIn var(--transition-base);
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.modal.active {
  display: flex;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(13, 13, 13, 0.75);
  backdrop-filter: blur(8px);
}

.modal-content {
  position: relative;
  background: var(--white);
  border-radius: var(--radius-lg);
  max-width: 600px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
  animation: slideUp var(--transition-slow);
  z-index: 1;
  border: 1px solid rgba(167, 139, 204, 0.2);
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  border: 1px solid var(--orange);
  background: var(--orange);
  width: 40px;
  height: 40px;
  padding: 0;
  display: grid;
  place-items: center;
  cursor: pointer;
  color: var(--white);
  font-size: 32px;
  line-height: 1;
  text-align: center;
  border-radius: var(--radius-md);
  z-index: 10;
}

.modal-close:hover {
  color: var(--white);
  background: var(--orange);
  border-color: var(--orange);
}

.modal-header {
  padding: 2.5rem 2.5rem 1.5rem;
  border-bottom: 2px solid var(--black-deep);
  background: var(--black-deep);
}

.modal-header h2 {
  font-family: var(--font-headline);
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--orange);
}

.modal-header p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
  line-height: 1.5;
}

.contact-form {
  padding: 2.5rem;
}

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

.form-group {
  margin-bottom: 1.75rem;
}

.form-row .form-group {
  margin-bottom: 0;
}

.form-group label {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.65rem;
  color: var(--text-primary);
}

.required {
  color: var(--orange);
  font-weight: 700;
}

.optional {
  color: var(--text-muted);
  font-weight: 400;
  font-size: 0.85rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.9rem 1rem;
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-family: inherit;
  transition: all var(--transition-fast);
  background: var(--white);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
  opacity: 0.7;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--purple-soft);
  background: var(--bg-light-alt);
  box-shadow: 0 0 0 4px rgba(167, 139, 204, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
  line-height: 1.6;
}

.form-submit {
  width: 100%;
  padding: 1rem 1.5rem;
  background: linear-gradient(135deg, var(--orange) 0%, #FF6B35 100%);
  color: var(--white);
  border: none;
  border-radius: var(--radius-md);
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 16px rgba(255, 122, 61, 0.3);
  margin-top: 1rem;
}

.form-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(255, 122, 61, 0.45);
}

.form-submit:active {
  transform: translateY(0);
}

.form-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* Form error messages */
.form-error {
  display: block;
  color: #dc3545;
  font-size: 0.85rem;
  margin-top: 4px;
  font-weight: 500;
  min-height: 18px;
}

.form-group input.invalid,
.form-group textarea.invalid {
  border-color: #dc3545;
  background: #fff5f5;
}

.form-group input.valid,
.form-group textarea.valid {
  border-color: #28a745;
}

/* Rate limit message */
.form-rate-limit {
  animation: slideDown var(--transition-fast);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
  .header-container {
    padding: 1rem;
    gap: 1.5rem;
    flex-wrap: wrap;
  }
  
  .logo-wrap {
    margin-left: 0rem;
  }
  
  .header-actions {
    margin-left: auto;
    margin-right: 0.5rem;
  }
  
  .logo-image {
    height: 44px;
  }
  
  .nav-menu {
    display: none;
  }
  
  .footer-grid,
  .footer-content {
    grid-template-columns: 1fr;
  }
  
  .hero {
    grid-template-columns: 1fr;
    padding: 3rem 1rem;
    min-height: auto;
  }
  
  .hero-visual {
    height: 300px;
  }
  
  .hero-ctas {
    flex-direction: column;
  }
  
  .cta-btn-primary,
  .cta-btn-secondary {
    width: 100%;
    text-align: center;
  }
  
  .services {
    padding: 3rem 1rem;
  }
  
  .values {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 480px) {
    .hero-columns {
      width: 100%;
      margin-left: 0 !important;
      margin-right: 0 !important;
      border-radius: 0;
      box-shadow: none;
      padding: 0;
    }
  .container {
    padding: 0 1rem;
  }
  
  .hero-title {
    font-size: 1.75rem;
  }
  
  .hero-subtitle {
    font-size: 0.95rem;
  }
  
  .modal {
    padding: 1rem;
    align-items: center;
    justify-content: center;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 1000;
  }
  
  .modal.active {
    display: flex;
  }
  
  .modal-content {
    position: relative !important;
    width: 95vw !important;
    max-width: 95vw !important;
    max-height: 92vh !important;
    margin: auto !important;
    left: unset !important;
    right: unset !important;
    top: unset !important;
    transform: none !important;
    z-index: 1001;
    background: var(--bg-light-alt);
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(147, 112, 219, 0.12);
    overflow-y: auto;
  }