/* Palette inspirée du logo : magenta, turquoise, jaune-or et gris */
:root {
  --color-bg: #f5f7fb;
  --color-surface: #ffffff;
  --color-primary: #c51f8a;   /* magenta */
  --color-secondary: #00a9b8; /* turquoise */
  --color-accent: #f1b722;    /* jaune-orangé */
  --color-text: #23252f;
  --color-muted: #7a7d8c;
  --radius-lg: 18px;
  --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.12);
}

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

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top left, #fef7ff 0, #f5f7fb 40%, #edf5ff 100%);
  color: var(--color-text);
}

/* Topbar */

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 5vw;
  background: rgba(245, 247, 251, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.35);
}

.logo-block {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo {
  height: 52px;
  width: auto;
  border-radius: 999px;
}

.brand-text h1 {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 700;
}

.brand-text span {
  display: block;
  font-size: 0.8rem;
  color: var(--color-muted);
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  font-size: 0.95rem;
}

.nav a {
  text-decoration: none;
  color: var(--color-text);
  opacity: 0.9;
}

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

/* Buttons */

.btn-primary,
.btn-secondary,
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.3rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease, color 0.12s ease;
}

.btn-primary {
  background: linear-gradient(120deg, var(--color-primary), var(--color-secondary));
  color: white;
  box-shadow: var(--shadow-soft);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 30px rgba(148, 27, 110, 0.35);
}

.btn-secondary {
  background: transparent;
  color: var(--color-secondary);
  border-color: rgba(0, 169, 184, 0.4);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(0, 169, 184, 0.06);
}

.btn-ghost {
  border-color: rgba(148, 163, 184, 0.4);
  color: var(--color-muted);
}

.btn-ghost:hover {
  background: rgba(148, 163, 184, 0.08);
}

.btn-primary.full,
.btn-secondary.full {
  width: 100%;
}

/* Hero */

.hero {
  max-width: 1100px;
  margin: 2.5rem auto 2rem;
  padding: 2rem 5vw;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 2.5rem;
  align-items: center;
}

.hero-text h2 {
  font-size: clamp(1.9rem, 3vw, 2.4rem);
  margin: 0 0 0.6rem;
}

.hero-text p {
  color: var(--color-muted);
  margin: 0 0 1.4rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 1rem;
}

.hero-highlights {
  list-style: none;
  padding: 0;
  margin: 0;
  color: var(--color-muted);
  font-size: 0.92rem;
}

.hero-highlights li {
  margin-bottom: 0.25rem;
}

/* Orbital visual */

.hero-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.orbital-card {
  position: relative;
  width: 260px;
  height: 260px;
  border-radius: 32px;
  background: radial-gradient(circle at 20% 0, #ffffff, #e5f4ff);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.orbital-ring {
  position: absolute;
  inset: 18%;
  border-radius: 50%;
  border: 4px solid transparent;
}

.ring-1 {
  border-top-color: var(--color-primary);
  transform: rotate(18deg);
}

.ring-2 {
  border-right-color: var(--color-secondary);
  transform: rotate(-26deg);
}

.ring-3 {
  border-bottom-color: var(--color-accent);
  transform: rotate(42deg);
}

.orbital-core {
  position: absolute;
  inset: 32%;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 20%, #ffffff, #8892a7);
}

.orbital-icon {
  position: absolute;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  background: #fff;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.16);
}

.icon-mobile {
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-primary);
}

.icon-wifi {
  left: 18px;
  bottom: 24px;
  color: var(--color-secondary);
}

.icon-cloud {
  right: 20px;
  bottom: 40px;
  color: var(--color-accent);
}

.hero-caption {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--color-muted);
}

/* Sections */

.section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 5vw 2.5rem;
}

.section h2 {
  font-size: 1.6rem;
  margin-bottom: 0.4rem;
}

.section-intro {
  margin: 0 0 1.6rem;
  color: var(--color-muted);
  max-width: 600px;
}

/* Cards */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.4rem;
}

.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 1.4rem 1.3rem 1.5rem;
  box-shadow: 0 16px 35px rgba(15, 23, 42, 0.06);
  border: 1px solid rgba(148, 163, 184, 0.28);
}

.card-icon {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.6rem;
  background: rgba(197, 31, 138, 0.08);
}

/* Offers */

.offers-grid {
  align-items: stretch;
}

.offer-card {
  position: relative;
}

.offer-card .price {
  margin: 0.4rem 0 0.8rem;
  font-size: 0.95rem;
  color: var(--color-muted);
}

.offer-card .price span {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-primary);
}

.offer-card ul {
  list-style: none;
  padding: 0;
  margin: 0 0 1.2rem;
  font-size: 0.9rem;
  color: var(--color-muted);
}

.offer-card li {
  margin-bottom: 0.25rem;
}

.offer-card .offer-target {
  font-size: 0.9rem;
  color: var(--color-secondary);
}

.offer-card.featured {
  border-color: rgba(197, 31, 138, 0.5);
  box-shadow: 0 22px 50px rgba(197, 31, 138, 0.28);
  transform: translateY(-4px);
}

.offer-card .badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 0.75rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: rgba(197, 31, 138, 0.12);
  color: var(--color-primary);
}

/* About */

.about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 1.8rem;
  align-items: flex-start;
}

.about-list {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--color-muted);
  font-size: 0.95rem;
}

/* Contact */

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 1.6rem;
}

.contact-form {
  background: var(--color-surface);
  padding: 1.4rem 1.3rem 1.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(148, 163, 184, 0.3);
}

.field {
  margin-bottom: 0.9rem;
}

.field label {
  display: block;
  font-size: 0.85rem;
  margin-bottom: 0.25rem;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 0.45rem 0.55rem;
  border-radius: 8px;
  border: 1px solid rgba(148, 163, 184, 0.7);
  font: inherit;
  outline: none;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(197, 31, 138, 0.28);
}

.form-note {
  margin-top: 0.6rem;
  font-size: 0.8rem;
  color: var(--color-muted);
}

.contact-info {
  font-size: 0.95rem;
  color: var(--color-muted);
}

.contact-info h3 {
  margin-top: 0;
  color: var(--color-text);
}

.contact-note {
  margin-top: 0.6rem;
  font-size: 0.85rem;
}

/* Footer */

.footer {
  text-align: center;
  padding: 1.5rem 1rem 2rem;
  font-size: 0.85rem;
  color: var(--color-muted);
}

/* Responsive */

@media (max-width: 880px) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
    text-align: left;
  }

  .hero-visual {
    order: -1;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.4rem;
  }

  .nav {
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .about-layout,
  .contact-layout {
    grid-template-columns: minmax(0, 1fr);
  }
}