/* ============================
   SITE INTERNET EXPRESS — STYLESHEET
   ============================ */

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

:root {
  --blue: #2563EB;
  --blue-dark: #1D4ED8;
  --blue-light: #DBEAFE;
  --white: #FFFFFF;
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-400: #9CA3AF;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-900: #111827;
  --radius: 12px;
  --radius-lg: 16px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.04);
  --shadow-lg: 0 4px 24px rgba(37,99,235,0.12), 0 8px 32px rgba(0,0,0,0.06);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--gray-700);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- NAVBAR --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}

.navbar.scrolled {
  border-bottom-color: var(--gray-200);
  box-shadow: 0 1px 8px rgba(0,0,0,0.06);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--gray-900);
}

.logo-icon {
  font-size: 24px;
}

.logo-text {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 20px;
}

.logo-express {
  color: var(--blue);
  font-weight: 600;
  font-size: 16px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--gray-600);
  font-size: 15px;
  font-weight: 500;
  transition: color var(--transition);
}

.nav-links a:hover {
  color: var(--blue);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gray-700);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  font-family: inherit;
}

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

.btn-primary:hover {
  background: var(--blue-dark);
  border-color: var(--blue-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37,99,235,0.3);
}

.btn-outline {
  background: transparent;
  color: var(--blue);
  border-color: var(--blue);
}

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

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

.btn-white:hover {
  background: var(--gray-100);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255,255,255,0.2);
}

.btn-nav {
  padding: 10px 24px;
  background: var(--blue);
  color: var(--white) !important;
  border-radius: 10px;
}

.btn-nav:hover {
  background: var(--blue-dark);
  color: var(--white) !important;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 16px;
  border-radius: 12px;
}

.btn-block {
  width: 100%;
}

/* --- HERO --- */
.hero {
  padding: 160px 0 100px;
  background: linear-gradient(180deg, var(--white) 0%, var(--blue-light) 100%);
  text-align: center;
}

.hero-content {
  max-width: 720px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 100px;
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--blue);
  margin-bottom: 28px;
  box-shadow: var(--shadow);
}

.hero h1 {
  font-family: 'Poppins', sans-serif;
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.15;
  color: var(--gray-900);
  margin-bottom: 20px;
}

.text-gradient {
  background: linear-gradient(135deg, var(--blue) 0%, #7C3AED 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-blue {
  color: var(--blue);
}

.text-white {
  color: var(--white);
}

.hero-subtitle {
  font-size: 18px;
  color: var(--gray-600);
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-trust {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.trust-item strong {
  font-family: 'Poppins', sans-serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--blue);
}

.trust-item span {
  font-size: 13px;
  color: var(--gray-400);
  font-weight: 500;
}

.trust-divider {
  width: 1px;
  height: 40px;
  background: var(--gray-200);
}

/* --- SECTIONS --- */
.section {
  padding: 96px 0;
}

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

.section-title {
  font-family: 'Poppins', sans-serif;
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 700;
  color: var(--gray-900);
  text-align: center;
  margin-bottom: 12px;
}

.section-subtitle {
  text-align: center;
  color: var(--gray-600);
  font-size: 17px;
  margin-bottom: 56px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

/* --- GRIDS --- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

/* --- CARDS --- */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}

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

/* Advantage cards */
.card-advantage {
  text-align: center;
}

.card-icon {
  font-size: 40px;
  margin-bottom: 16px;
}

.card-advantage h3 {
  font-family: 'Poppins', sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.card-advantage p {
  color: var(--gray-600);
  font-size: 15px;
}

/* Pricing cards */
.card-pricing {
  text-align: center;
  display: flex;
  flex-direction: column;
}

.card-pricing-popular {
  border-color: var(--blue);
  box-shadow: 0 4px 24px rgba(37,99,235,0.15);
  transform: scale(1.04);
}

.card-pricing-popular:hover {
  transform: scale(1.04) translateY(-4px);
}

.popular-badge {
  display: inline-block;
  background: var(--blue);
  color: var(--white);
  font-size: 12px;
  font-weight: 700;
  padding: 6px 20px;
  border-radius: 100px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.pricing-header {
  padding-bottom: 24px;
  border-bottom: 1px solid var(--gray-200);
  margin-bottom: 24px;
}

.pricing-header h3 {
  font-family: 'Poppins', sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 12px;
}

.pricing-price {
  font-family: 'Poppins', sans-serif;
  font-size: 48px;
  font-weight: 800;
  color: var(--blue);
  line-height: 1;
}

.pricing-price span {
  font-size: 24px;
  font-weight: 600;
}

.pricing-desc {
  color: var(--gray-400);
  font-size: 14px;
  margin-top: 8px;
}

.pricing-features {
  list-style: none;
  text-align: left;
  margin-bottom: 28px;
  flex-grow: 1;
}

.pricing-features li {
  padding: 8px 0;
  font-size: 15px;
  color: var(--gray-700);
  display: flex;
  align-items: center;
  gap: 10px;
}

.check {
  color: var(--blue);
  font-weight: 700;
  font-size: 16px;
}

/* --- STEPS --- */
.step {
  text-align: center;
  padding: 36px 28px;
}

.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--blue);
  color: var(--white);
  font-family: 'Poppins', sans-serif;
  font-size: 24px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.step h3 {
  font-family: 'Poppins', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.step p {
  color: var(--gray-600);
  font-size: 15px;
}

/* --- TESTIMONIALS --- */
.card-testimonial {
  padding: 36px 32px;
}

.testimonial-stars {
  color: #F59E0B;
  font-size: 18px;
  letter-spacing: 4px;
  margin-bottom: 16px;
}

.card-testimonial blockquote {
  font-size: 16px;
  color: var(--gray-700);
  line-height: 1.7;
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--blue-light);
  color: var(--blue);
  font-weight: 700;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.testimonial-author strong {
  display: block;
  color: var(--gray-900);
  font-size: 15px;
}

.testimonial-author span {
  font-size: 13px;
  color: var(--gray-400);
}

/* --- CTA --- */
.section-cta {
  background: linear-gradient(135deg, var(--blue) 0%, #1E40AF 100%);
  text-align: center;
  padding: 100px 0;
}

.cta-content h2 {
  font-family: 'Poppins', sans-serif;
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}

.cta-content p {
  color: rgba(255,255,255,0.85);
  font-size: 17px;
  margin-bottom: 36px;
  line-height: 1.7;
}

.cta-note {
  color: rgba(255,255,255,0.6) !important;
  font-size: 13px !important;
  margin-top: 24px !important;
  margin-bottom: 0 !important;
}

/* --- FOOTER --- */
.footer {
  background: var(--gray-900);
  color: var(--gray-400);
  padding-top: 64px;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand .logo-text {
  color: var(--white);
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
}

.footer-links h4 {
  font-family: 'Poppins', sans-serif;
  color: var(--white);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
}

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

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: var(--gray-400);
  text-decoration: none;
  font-size: 14px;
  transition: color var(--transition);
}

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

.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 13px;
}

/* --- SCROLL REVEAL --- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE — TABLETTE (max-width: 1024px)
   ============================================ */
@media (max-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-content {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .hero {
    padding: 140px 0 80px;
  }

  .section {
    padding: 72px 0;
  }

  .nav-links {
    gap: 20px;
  }

  .nav-links a {
    font-size: 14px;
  }

  .pricing-price {
    font-size: 40px;
  }
}

/* ============================================
   RESPONSIVE — MOBILE (max-width: 768px)
   ============================================ */
@media (max-width: 768px) {
  .navbar {
    border-bottom: none;
  }

  .navbar.scrolled {
    border-bottom: none;
    box-shadow: 0 2px 12px rgba(0,0,0,0.1);
  }

  .nav-container {
    height: 64px;
  }

  .logo {
    position: relative;
    z-index: 2;
  }

  .logo-text {
    font-size: 17px;
  }

  .logo-express {
    font-size: 14px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    border-bottom: none;
    border-top: 1px solid var(--gray-200);
    transform: translateY(-120%);
    transition: var(--transition);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
  }

  .nav-links.active {
    transform: translateY(0);
  }

  .hero {
    padding: 120px 0 56px;
  }

  .hero h1 br {
    display: none;
  }

  .hero-subtitle {
    font-size: 16px;
  }

  .hero-trust {
    gap: 20px;
  }

  .trust-item strong {
    font-size: 24px;
  }

  .trust-item span {
    font-size: 12px;
  }

  .trust-divider {
    display: none;
  }

  .section {
    padding: 56px 0;
  }

  .section-title {
    font-size: clamp(22px, 5vw, 28px);
  }

  .section-subtitle {
    font-size: 15px;
    margin-bottom: 36px;
  }

  .container {
    padding: 0 16px;
  }

  .grid-3 {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .grid-2 {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .card {
    padding: 28px 20px;
  }

  .card-pricing-popular {
    transform: scale(1);
  }

  .card-pricing-popular:hover {
    transform: translateY(-4px);
  }

  .pricing-price {
    font-size: 36px;
  }

  .footer {
    padding-top: 48px;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

/* ============================================
   RESPONSIVE — PETIT MOBILE (max-width: 480px)
   ============================================ */
@media (max-width: 480px) {
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn-lg {
    width: 100%;
    max-width: 300px;
    padding: 14px 24px;
    font-size: 15px;
  }

  .hero {
    padding: 110px 0 48px;
  }

  .hero h1 {
    font-size: clamp(26px, 7vw, 34px);
  }

  .hero-badge {
    font-size: 13px;
    padding: 6px 16px;
  }

  .section {
    padding: 40px 0;
  }

  .section-title {
    font-size: clamp(20px, 5vw, 24px);
  }

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

  .logo-text {
    font-size: 15px;
  }

  .logo-express {
    font-size: 12px;
  }

  .nav-container {
    height: 56px;
  }

  .nav-links {
    top: 56px;
  }

  .pricing-price {
    font-size: 32px;
  }

  .footer-content {
    gap: 24px;
  }

  .footer-bottom {
    font-size: 12px;
    padding: 16px 0;
  }
}