/* ================================================
   ARDO AGENCY - COMPLETE REDESIGN
   Purple/Magenta Theme from header-logo.svg
   ================================================ */

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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.6;
  color: #231F20;
  background: #FFFFFF;
  overflow-x: hidden;
}

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

/* ================================================
   DESIGN TOKENS - PURPLE/MAGENTA THEME
   ================================================ */
:root {
  /* Primary Colors from Logo Gradient */
  --color-navy: #231F20;
  --color-primary: #8b3393;
  --color-secondary: #323292;
  --color-accent: #c43393;

  /* Grays */
  --color-gray-50: #F8FAFC;
  --color-gray-100: #F1F5F9;
  --color-gray-200: #E2E8F0;
  --color-gray-300: #CBD5E1;
  --color-gray-400: #94A3B8;
  --color-gray-500: #64748B;
  --color-gray-600: #475569;
  --color-gray-700: #334155;
  --color-white: #FFFFFF;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #323292 0%, #8b3393 50%, #c43393 100%);
  --gradient-hero: linear-gradient(135deg, #1a0a2e 0%, #2d1b4e 25%, #3d2463 50%, #4a1d5f 75%, #2d0f47 100%);

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-primary: 0 10px 30px -5px rgba(139, 51, 147, 0.3);

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  --spacing-4xl: 8rem;

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Z-index */
  --z-base: 1;
  --z-fixed: 300;
}

/* ================================================
   TYPOGRAPHY
   ================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@400;500;600;700&display=swap');

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  line-height: 1.2;
  font-weight: 700;
  color: var(--color-navy);
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

p {
  font-family: 'Inter', sans-serif;
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-gray-600);
}

.lead {
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--color-gray-500);
  line-height: 1.7;
}

/* ================================================
   LAYOUT
   ================================================ */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.section {
  padding: var(--spacing-4xl) 0;
  position: relative;
}

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

.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: var(--color-white);
}

.section-dark p {
  color: var(--color-gray-300);
}

.section-gray {
  background: var(--color-gray-50);
}

/* ================================================
   BUTTONS
   ================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: 0.875rem 1.75rem;
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-lg), var(--shadow-primary);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl), var(--shadow-primary);
}

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

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

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

.btn-white:hover {
  background: var(--color-gray-50);
  transform: translateY(-2px);
}

.btn-large {
  padding: 1.125rem 2.25rem;
  font-size: 1.125rem;
}

/* ================================================
   NAVBAR
   ================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-gray-200);
  transition: all var(--transition-base);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.navbar-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-navy);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.navbar-brand-logo {
  width: 40px;
  height: auto;
}

.navbar-nav {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
  align-items: center;
}

.nav-link {
  color: var(--color-gray-600);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
}

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

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-navy);
}

/* ================================================
   HERO SECTION
   ================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: var(--gradient-hero);
  overflow: hidden;
  padding-top: 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(139, 51, 147, 0.5) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(196, 51, 147, 0.4) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(50, 50, 146, 0.3) 0%, transparent 60%);
  animation: pulseGlow 8s ease-in-out infinite;
}

@keyframes pulseGlow {

  0%,
  100% {
    opacity: 0.8;
  }

  50% {
    opacity: 1;
  }
}

.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(rgba(139, 51, 147, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(139, 51, 147, 0.1) 1px, transparent 1px);
  background-size: 50px 50px;
  opacity: 0.3;
  animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
  0% {
    transform: translate(0, 0);
  }

  100% {
    transform: translate(50px, 50px);
  }
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: var(--z-base);
  max-width: 900px;
  animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
}

.hero .lead {
  color: var(--color-gray-300);
  max-width: 700px;
  margin: 0 auto var(--spacing-xl);
}

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

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* ================================================
   STATS BAR
   ================================================ */
.stats-bar {
  background: var(--color-white);
  padding: var(--spacing-2xl) 0;
  border-bottom: 1px solid var(--color-gray-200);
}

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

.stat-item {
  text-align: center;
}

.stat-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
  line-height: 1;
}

.stat-label {
  font-size: 1rem;
  color: var(--color-gray-600);
  font-weight: 500;
}

/* ================================================
   SECTION HEADER
   ================================================ */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

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

.section-header p {
  font-size: 1.125rem;
}

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ================================================
   SOLUTIONS SECTION
   ================================================ */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.solution-card {
  background: var(--color-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-gray-200);
  transition: all var(--transition-base);
}

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

.solution-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 1.75rem;
  margin-bottom: var(--spacing-md);
}

.solution-card h3 {
  margin-bottom: var(--spacing-sm);
  color: var(--color-navy);
}

.solution-card p {
  color: var(--color-gray-600);
  margin-bottom: var(--spacing-md);
}

.solution-card ul {
  list-style: none;
  padding: 0;
}

.solution-card li {
  padding: 0.5rem 0;
  color: var(--color-gray-600);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.solution-card li::before {
  content: '✓';
  color: #10B981;
  font-weight: 700;
}

/* ================================================
   CASE STUDIES
   ================================================ */
.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.case-study-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-base);
  border: 1px solid var(--color-gray-200);
}

.case-study-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.case-study-image {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  background: var(--color-gray-100);
}

.case-study-content {
  padding: var(--spacing-xl);
}

.case-study-meta {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.case-study-tag {
  padding: 0.375rem 0.75rem;
  background: var(--color-gray-100);
  color: var(--color-primary);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-full);
}

.case-study-content h3 {
  margin-bottom: var(--spacing-sm);
}

.case-study-content p {
  color: var(--color-gray-600);
  margin-bottom: var(--spacing-md);
}

.case-study-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-gray-200);
}

.metric {
  text-align: center;
}

.metric-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  display: block;
}

.metric-label {
  font-size: 0.875rem;
  color: var(--color-gray-500);
}

/* ================================================
   TESTIMONIALS
   ================================================ */
.testimonials-container {
  max-width: 1000px;
  margin: var(--spacing-2xl) auto 0;
}

.testimonial {
  background: var(--color-white);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-gray-200);
  display: none;
}

.testimonial.active {
  display: block;
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

.testimonial-text {
  font-size: 1.25rem;
  line-height: 1.8;
  color: var(--color-gray-700);
  margin-bottom: var(--spacing-xl);
}

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

.author-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 1.5rem;
  font-weight: 700;
}

.author-info h4 {
  margin-bottom: 0.25rem;
}

.author-info p {
  color: var(--color-gray-500);
  font-size: 0.9375rem;
}

.carousel-controls {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
}

.carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-gray-300);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
}

.carousel-dot.active {
  background: var(--color-primary);
  transform: scale(1.2);
}

/* ================================================
   CONTACT/CTA SECTION
   ================================================ */
.cta-section {
  background: linear-gradient(180deg, #231F20 0%, #3A3638 100%);
  color: var(--color-white);
  text-align: center;
  padding: var(--spacing-4xl) 0;
}

.cta-section h2 {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
}

.cta-section p {
  color: var(--color-gray-300);
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xl);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  margin-top: var(--spacing-3xl);
  text-align: left;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.contact-icon {
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.contact-form {
  background: var(--color-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

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

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

.form-control {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(139, 51, 147, 0.1);
}

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

.form-error {
  display: none;
  color: #F59E0B;
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

/* ================================================
   FOOTER
   ================================================ */
.footer {
  background: var(--color-navy);
  color: var(--color-white);
  padding: var(--spacing-4xl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-brand h3 {
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
}

.footer-brand p {
  color: var(--color-gray-300);
  margin-bottom: var(--spacing-md);
}

.social-links {
  display: flex;
  gap: var(--spacing-sm);
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  text-decoration: none;
  transition: all var(--transition-base);
}

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

.footer-links h4 {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
}

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

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-links a {
  color: var(--color-gray-300);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.footer-bottom p {
  color: var(--color-gray-400);
  font-size: 0.9375rem;
}

/* ================================================
   SCROLL ANIMATIONS
   ================================================ */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease-out;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ================================================
   RESPONSIVE DESIGN
   ================================================ */
@media (max-width: 768px) {
  .navbar-nav {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-xl);
    transform: translateY(-100%);
    opacity: 0;
    transition: all var(--transition-base);
    pointer-events: none;
  }

  .navbar-nav.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

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

  .case-studies-grid {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

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