/*
 * Sprint GTM - Landing Page
 * Feuille de style principale
 */

/* ========== Variables ========== */
:root {
  /* Couleurs */
  --color-primary: #1E63EE;
  --color-primary-dark: #1751c7;
  --color-primary-light: #5188f6;
  --color-secondary: #17BEBB;
  --color-tertiary: #EAEDF6;
  --color-text: #2D3142;
  --color-text-light: #545B7A;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F7F9FC;
  --color-cta: #FF5A5F;
  --color-cta-dark: #e6484d;
  --color-light-bg: var(--color-bg-alt);
  --color-success: #22C55E;
  --color-warning: #F59E0B;

  /* Espacements */
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 32px;
  --spacing-xl: 48px;
  --spacing-xxl: 64px;
  --spacing-xxxl: 96px;
  --section-padding: var(--spacing-xxl) 0;

  /* Autres */
  --border-radius: 8px;
  --border-radius-sm: 4px;
  --container-width: 1200px;
  --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-button: 0 2px 4px rgba(0, 0, 0, 0.1);
  --box-shadow: var(--shadow-card);
  --box-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Roboto', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  margin: 0;
  padding: 0;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Inter', sans-serif;
  margin-top: 0;
  color: var(--color-text);
  line-height: 1.2;
}

h1 {
  font-size: 48px;
  font-weight: 800;
  margin-bottom: var(--spacing-md);
}

h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

h3 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

h4 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

p {
  margin-top: 0;
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

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

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

ul {
  padding-left: var(--spacing-md);
  margin-top: 0;
  margin-bottom: var(--spacing-md);
}

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

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

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

.section-header p {
  font-size: 20px;
  color: var(--color-text-light);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.centered-cta {
  text-align: center;
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

/* ========== Composants ========== */

/* Boutons */
.btn {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 16px;
  line-height: 1.5;
  text-align: center;
  padding: 12px 24px;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-decoration: none;
}

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

.btn--primary:hover {
  background-color: var(--color-primary-dark);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(30, 99, 238, 0.4);
}

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

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

.btn--large {
  font-size: 18px;
  padding: 16px 32px;
}

.btn--small {
  font-size: 14px;
  padding: 8px 16px;
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  z-index: 1000;
  transition: var(--transition);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) 0;
}

.logo-text {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: 24px;
  color: var(--color-primary);
}

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

.nav__links a {
  font-weight: 500;
  color: var(--color-text);
  transition: var(--transition);
}

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

.nav__toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  width: 24px;
  height: 18px;
}

.nav__toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--color-text);
  margin-bottom: 4px;
  transition: var(--transition);
}

/* Hero Section */
.hero {
  padding: 120px 0 var(--spacing-xxl);
  background: linear-gradient(135deg, #f8faff 0%, #e3f2fd 100%);
  overflow: hidden;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xxl);
  align-items: center;
}

.hero__content h1 {
  font-size: 56px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: var(--spacing-md);
}

.hero__subtitle {
  font-size: 24px;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xl);
  line-height: 1.4;
}

.hero__cta {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
}

.hero__features {
  display: flex;
  gap: var(--spacing-lg);
}

.feature {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-weight: 500;
}

.feature-icon {
  font-size: 20px;
}

.hero__image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.rocket-animation {
  font-size: 120px;
  animation: float 3s ease-in-out infinite;
}

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

/* Problems Section */
.problems {
  padding: var(--section-padding);
  background-color: var(--color-bg-alt);
}

.problems__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.problem-card {
  background-color: white;
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-card);
  text-align: center;
  transition: var(--transition);
}

.problem-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.problem-icon {
  font-size: 48px;
  margin-bottom: var(--spacing-sm);
}

.stats-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: white;
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  text-align: center;
  margin: var(--spacing-xl) 0;
}

.stat__number {
  font-size: 48px;
  font-weight: 800;
  display: block;
}

.stat__text {
  font-size: 18px;
  opacity: 0.9;
}

/* Solution Section */
.solution {
  padding: var(--section-padding);
}

.solution__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xxl);
  align-items: center;
}

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

.solution__benefits li {
  padding: var(--spacing-xs) 0;
  font-size: 18px;
}

.process-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.process-step {
  text-align: center;
  min-width: 120px;
}

.step-number {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 20px;
  margin: 0 auto var(--spacing-xs);
}

.step-content h4 {
  margin-bottom: 4px;
}

.step-content p {
  font-size: 14px;
  color: var(--color-text-light);
  margin: 0;
}

.process-arrow {
  font-size: 24px;
  color: var(--color-primary);
  font-weight: bold;
}

/* Process Section */
.process {
  padding: var(--section-padding);
  background-color: var(--color-bg-alt);
}

.process__timeline {
  max-width: 800px;
  margin: 0 auto;
}

.timeline-item {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  position: relative;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: 100px;
  top: 60px;
  bottom: -32px;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-secondary));
}

.timeline-item:last-child::before {
  display: none;
}

.timeline-marker {
  min-width: 200px;
  text-align: center;
}

.timeline-time {
  display: inline-block;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: white;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
  font-weight: 600;
  font-size: 14px;
}

.timeline-content {
  background: white;
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-card);
  flex: 1;
}

.timeline-content ul {
  margin-bottom: 0;
}

/* Benefits Section */
.benefits {
  padding: var(--section-padding);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.benefit-card {
  background: white;
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-card);
  text-align: center;
  transition: var(--transition);
  border-top: 4px solid var(--color-primary);
}

.benefit-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.benefit-icon {
  font-size: 48px;
  margin-bottom: var(--spacing-sm);
}

/* Testimonials Section */
.testimonials {
  padding: var(--section-padding);
  background-color: var(--color-bg-alt);
}

.testimonials__slider {
  position: relative;
  max-width: 800px;
  margin: 0 auto var(--spacing-lg);
}

.testimonial-card {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-card);
  padding: var(--spacing-xl);
  text-align: center;
}

.testimonial-text {
  font-size: 20px;
  font-style: italic;
  color: var(--color-text);
  margin-bottom: var(--spacing-lg);
  line-height: 1.5;
}

.testimonial-author h4 {
  color: var(--color-primary);
  margin-bottom: 4px;
}

.testimonial-author p {
  color: var(--color-text-light);
  margin: 0;
}

.testimonials__navigation {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-lg);
}

.slider-arrow {
  background: white;
  border: 1px solid var(--color-tertiary);
  border-radius: 50%;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.slider-arrow:hover {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.slider-dots {
  display: flex;
  gap: var(--spacing-xs);
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-tertiary);
  cursor: pointer;
  transition: var(--transition);
}

.dot.active {
  background: var(--color-primary);
}

/* FAQ Section */
.faq {
  padding: var(--section-padding);
}

.faq__accordion {
  max-width: 800px;
  margin: 0 auto;
}

.accordion-item {
  border-bottom: 1px solid var(--color-tertiary);
  margin-bottom: var(--spacing-sm);
}

.accordion-header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg) 0;
  background: none;
  border: none;
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  transition: var(--transition);
}

.accordion-header:hover {
  color: var(--color-primary);
}

.accordion-icon {
  transition: var(--transition);
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
}

.accordion-content {
  padding: 0 0 var(--spacing-lg);
  color: var(--color-text-light);
  line-height: 1.6;
}

.faq__more {
  text-align: center;
  margin-top: var(--spacing-xl);
}

/* Final CTA Section */
.final-cta {
  padding: var(--spacing-xxl) 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: white;
  text-align: center;
}

.cta-content h2 {
  color: white;
  font-size: 42px;
  margin-bottom: var(--spacing-md);
}

.cta-content p {
  font-size: 20px;
  opacity: 0.9;
  margin-bottom: var(--spacing-xl);
}

.cta-contact {
  margin-top: var(--spacing-lg);
}

.cta-contact p {
  font-size: 16px;
  margin-bottom: var(--spacing-xs);
  opacity: 0.8;
}

/* Footer */
.footer {
  background-color: var(--color-text);
  color: white;
  padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

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

.footer__col h4 {
  color: white;
  margin-bottom: var(--spacing-sm);
}

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

.footer__col ul li {
  margin-bottom: var(--spacing-xs);
}

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

.footer__col a:hover {
  color: white;
}

.footer__social a {
  display: inline-block;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

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

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

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

.footer__legal a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
}

/* ========== Responsive ========== */

@media (max-width: 768px) {
  .nav__links {
    display: none;
  }
  
  .nav__toggle {
    display: flex;
  }
  
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero__content h1 {
    font-size: 36px;
  }
  
  .hero__subtitle {
    font-size: 18px;
  }
  
  .hero__cta {
    flex-direction: column;
    align-items: center;
  }
  
  .hero__features {
    justify-content: center;
    flex-wrap: wrap;
  }
  
  .solution__content {
    grid-template-columns: 1fr;
  }
  
  .process-visual {
    flex-direction: column;
  }
  
  .process-arrow {
    transform: rotate(90deg);
  }
  
  .timeline-item {
    flex-direction: column;
  }
  
  .timeline-item::before {
    display: none;
  }
  
  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }
  
  h1 {
    font-size: 32px;
  }
  
  h2 {
    font-size: 28px;
  }
  
  .section-header p {
    font-size: 18px;
  }
}

@media (max-width: 480px) {
  .container {
    padding-left: var(--spacing-sm);
    padding-right: var(--spacing-sm);
  }
  
  .hero {
    padding: 100px 0 var(--spacing-xl);
  }
  
  .hero__content h1 {
    font-size: 28px;
  }
  
  .hero__subtitle {
    font-size: 16px;
  }
  
  .problems__grid,
  .benefits-grid {
    grid-template-columns: 1fr;
  }
  
  .problem-card,
  .benefit-card {
    padding: var(--spacing-md);
  }
}

/* ========== CTA Flottant ========== */
.floating-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--spacing-md);
  transform: translateY(0);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  justify-content: center;
}

.floating-cta__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 0 auto;
  padding: 14px 24px;
  background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%) !important;
  color: white !important;
  text-decoration: none;
  font-weight: 600;
  font-size: 16px;
  border-radius: 30px;
  box-shadow: 0 4px 15px rgba(34, 197, 94, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  white-space: nowrap;
}

.floating-cta__btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(34, 197, 94, 0.4);
  color: white !important;
  background: linear-gradient(135deg, #1ea65a 0%, #15803d 100%) !important;
}

.floating-cta__btn svg {
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.floating-cta__btn:hover svg {
  transform: translateX(4px);
}

/* Mobile adjustments */
@media (max-width: 768px) {
  .floating-cta {
    padding: var(--spacing-sm);
  }
  
  .floating-cta__btn {
    font-size: 16px;
    padding: 16px 24px;
  }
}

@media (max-width: 480px) {
  .floating-cta__btn {
    font-size: 14px;
    padding: 14px 20px;
  }
  
  .floating-cta__btn span {
    flex: 1;
  }
}