:root {
      --bg-page: #f3f4f6;
      --bg-hero: linear-gradient(135deg, #0f172a, #1e293b);
      --bg-card: #ffffff;
      --text-main: #0f172a;
      --text-soft: #6b7280;
      --accent: #0ea5e9;
      --accent-soft: rgba(14,165,233,0.08);
      --accent-strong: #0284c7;
      --border-subtle: rgba(15,23,42,0.08);
      --radius-xl: 28px;
      --radius-lg: 20px;
      --shadow-soft: 0 22px 60px rgba(15, 23, 42, 0.12);
      --shadow-hero: 0 30px 80px rgba(15, 23, 42, 0.28);
      --max-width: 1120px;
    }

    * {
      box-sizing: border-box;
    }

    html, body {
      margin: 0;
      padding: 0;
    }

    body {
      font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
      background: radial-gradient(circle at top left, #e0f2fe 0, #f3f4f6 40%, #e5e7eb 100%);
      color: var(--text-main);
      line-height: 1.6;
    }

    /* HEADER */
    .nav-bar{
      position : fixed;
      top : 0;
      height : 56px;
      width: 100%;
      background-color: white;
      display : flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid #cdcdcd;
      z-index:20000;
    }

    .nav-logo{
      margin-left: 10vw;
      height:52px;
      display: flex;
    }

    .nav-menu {
      margin-right: 10vw;
    }

    .nav-menu a{
      color: black;
        padding: 14px 16px;
        text-decoration: none;
    }

    .nav-bar .icon {
      display: none;
      margin-right: 5vw;
      padding: 14px 16px;
      color : black;
    }

    @media screen and (max-width: 800px) {
        .nav-bar .nav-menu {display: none;}
      .nav-bar a.icon {display: block;}

      .nav-bar.responsive .nav-menu {
          display:block;
          position: absolute;
          top : 56px;
          width: 100%;
          background-color: white;
          border-bottom: 1px solid #cdcdcd;
      }

      .nav-bar.responsive .nav-menu a{
          display: block;
          text-align: right;
          margin-right : 5vw;
      }
    }

    .lang-switch {
      position: fixed;
      top: 12px;
      right: 16px;
      z-index: 30000;
      display: flex;
      gap: 4px;
    }

    .lang-btn {
      border: 1px solid rgba(148,163,184,0.6);
      background: #ffffff;
      padding: 4px 8px;
      border-radius: 999px;
      font-size: 0.8rem;
      cursor: pointer;
    }

    .lang-btn.active {
      background: #cf4000;
      color: #0b1120;
      border-color: #cf4000;
    }


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

    main {
      padding:56px 0 0 0;
      width: 100%;
    }

    section {
      width: 100%;
      display: flex;
      justify-content: center;
      padding: 56px 20px;
    }

    .container {
      width: 100%;
      max-width: var(--max-width);
    }

    h1, h2, h3 {
      margin: 0 0 10px;
      font-weight: 700;
      letter-spacing: -0.02em;
    }

    h1 {
      font-size: clamp(2.4rem, 4vw, 3.1rem);
      line-height: 1.1;
    }

    h2 {
      font-size: 1.8rem;
    }

    h3 {
      font-size: 1.2rem;
    }

    p {
      margin: 0 0 14px;
      color: var(--text-soft);
      font-size: 0.98rem;
    }

    /* HERO */

    .hero {
      padding-top: 36px;
    }

    .hero-inner {
      background: var(--bg-hero);
      border-radius: 32px;
      padding: 32px 32px 30px;
      box-shadow: var(--shadow-hero);
      color: #e5e7eb;
      position: relative;
      overflow: hidden;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
      gap: 32px;
      position: relative;
      z-index: 1;
    }

    @media (max-width: 900px) {
      .hero-grid {
        grid-template-columns: minmax(0, 1fr);
      }
    }

    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 12px;
      border-radius: 999px;
      border: 1px solid rgba(148,163,184,0.35);
      font-size: 0.78rem;
      color: #cbd5f5;
      margin-bottom: 16px;
      background: rgba(15,23,42,0.9);
      box-shadow: 0 18px 35px rgba(2,6,23,0.45);
    }

    .hero-tag-dot {
      width: 7px;
      height: 7px;
      border-radius: 999px;
      background: #22c55e;
      box-shadow: 0 0 0 3px rgba(34,197,94,0.25);
    }

    .hero-title {
      margin-bottom: 12px;
      color: #f9fafb;
    }

    .hero-subtitle {
      font-size: 0.98rem;
      max-width: 470px;
    }

    .hero-email {
      margin-top: 18px;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 10px 14px;
      border-radius: 999px;
      background: rgba(15,23,42,0.85);
      border: 1px solid rgba(148,163,184,0.45);
      font-size: 0.82rem;
    }

    .hero-email-label {
      color: #9ca3af;
      font-weight: 500;
    }

    .hero-email-address {
      padding-left: 10px;
      color: #e0f2fe;
      font-weight: 600;
    }

    .hero-pill-row {
      margin-top: 24px;
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .hero-pill {
      font-size: 0.8rem;
      padding: 6px 11px;
      border-radius: 999px;
      background: rgba(15,23,42,0.9);
      border: 1px solid rgba(148,163,184,0.4);
      color: #d1d5db;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .hero-pill span.icon {
      font-size: 1rem;
    }

    .hero-cta {
      margin-top: 22px;
      display: inline-flex;
    }

    .hero-cta button {
      background: linear-gradient(135deg, #0ea5e9, #38bdf8);
      border: none;
      color: #0b1120;
      padding: 12px 22px;
      font-size: 0.95rem;
      font-weight: 600;
      border-radius: 999px;
      cursor: pointer;
      box-shadow:
        0 8px 20px rgba(56,189,248,0.35),
        0 0 0 1px rgba(15,23,42,0.6);
      transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s;
    }

    .hero-cta button:hover {
      background: linear-gradient(135deg, #38bdf8, #0ea5e9);
      transform: translateY(-2px);
      box-shadow:
        0 12px 28px rgba(56,189,248,0.45),
        0 0 0 1px rgba(15,23,42,0.8);
    }

    .hero-cta button:active {
      transform: translateY(0);
      box-shadow:
        0 6px 16px rgba(56,189,248,0.3),
        0 0 0 1px rgba(15,23,42,0.8);
    }

    /* Secondary CTA: Manage Subscription */
    .hero-cta-secondary button {
      background: rgba(30, 41, 59, 0.65); /* slate-800 with transparency */
      color: #e2e8f0; /* light gray text */
      padding: 12px 22px;
      font-size: 0.95rem;
      font-weight: 600;
      border-radius: 999px;
      cursor: pointer;
      border: 1px solid rgba(148,163,184,0.35);
      transition: background 0.12s ease, transform 0.12s ease, border-color 0.12s ease;
    }

    .hero-cta-secondary button:hover {
      background: rgba(30, 41, 59, 0.85);
      transform: translateY(-1px);
      border-color: rgba(148,163,184,0.55);
    }

    .hero-cta-secondary button:active {
      transform: translateY(0);
    }


    /* HERO ILLUSTRATION */

    .hero-illustration {
      position: relative;
      min-height: 260px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .orb {
      position: absolute;
      border-radius: 999px;
      filter: blur(0);
      opacity: 0.85;
      pointer-events: none;
    }

    .orb-blue {
      width: 220px;
      height: 220px;
      background: radial-gradient(circle at 30% 20%, #38bdf8, transparent 60%);
      top: -40px;
      right: -40px;
      opacity: 0.55;
    }

    .orb-cyan {
      width: 280px;
      height: 280px;
      background: radial-gradient(circle at 70% 80%, #22c55e, transparent 60%);
      bottom: -80px;
      left: -40px;
      opacity: 0.35;
    }

    /* DEVICE / GARMIN MESSENGER-LIKE MOCKUP */

    .device-card {
      position: relative;
      width: 250px;
      max-width: 100%;
      background: radial-gradient(circle at top, #1e293b 0, #020617 80%);
      border-radius: 32px;
      padding: 16px 14px 16px;
      border: 1px solid rgba(148,163,184,0.4);
      box-shadow: 0 20px 45px rgba(15,23,42,0.9);
      overflow: hidden;
    }

    .device-notch {
      width: 40%;
      height: 10px;
      background: #020617;
      border-radius: 0 0 999px 999px;
      margin: 0 auto 12px;
    }

    .device-screen {
      background: #f9fafb;
      border-radius: 22px;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      /*height: 260px;*/
      border: 1px solid #e5e7eb;
    }

    /* Top bar similar to a chat header */

    .gm-header {
      background: #ffffff;
      border-bottom: 1px solid #e5e7eb;
      padding: 6px 10px 8px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .gm-header-left {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .gm-avatar {
      width: 26px;
      height: 26px;
      border-radius: 999px;
      background: #cf4000;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #ffffff;
      font-size: 0.78rem;
      font-weight: 600;
    }

    .gm-name {
      font-size: 0.8rem;
      font-weight: 600;
      color: #111827;
    }

    .gm-status {
      font-size: 0.7rem;
      color: #9ca3af;
    }

    .gm-header-icons {
      display: flex;
      align-items: center;
      gap: 6px;
      font-size: 0.9rem;
      color: #9ca3af;
    }

    /* Messages area */

    .gm-messages {
      flex: 1;
      padding: 8px 8px 4px;
      display: flex;
      flex-direction: column;
      gap: 4px;
      overflow: hidden;
      font-size: 0.75rem;
    }

    .gm-message-row {
      display: flex;
      margin-bottom: 2px;
    }

    .gm-message-row.incoming {
      justify-content: flex-start;
    }

    .gm-message-row.outgoing {
      justify-content: flex-end;
    }

    .gm-bubble {
      max-width: 80%;
      padding: 6px 8px;
      border-radius: 16px;
      line-height: 1.3;
    }

    .gm-bubble.incoming {
      background: #e5e7eb;
      color: #111827;
      border-bottom-left-radius: 4px;
    }

    .gm-bubble.outgoing {
      background: #cf4000;
      color: #fff7ed;
      border-bottom-right-radius: 4px;
    }

    .gm-meta {
      display: flex;
      justify-content: center;
      margin-top: 4px;
      font-size: 0.68rem;
      color: #9ca3af;
    }

    /* Input bar */

    .gm-input {
      border-top: 1px solid #e5e7eb;
      background: #ffffff;
      padding: 6px 8px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .gm-input-field {
      flex: 1;
      border-radius: 999px;
      background: #f3f4f6;
      padding: 5px 9px;
      font-size: 0.72rem;
      color: #6b7280;
      display: flex;
      align-items: center;
    }

    .gm-input-field span {
      opacity: 0.8;
    }

    .gm-send-btn {
      width: 24px;
      height: 24px;
      border-radius: 999px;
      background: #cf4000;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.78rem;
      color: #fff7ed;
    }

    .wave-plate {
      position: absolute;
      /*bottom: -34px;*/
      left: 50%;
      transform: translateX(-50%);
      width: 130%;
      height: 70px;
      background: radial-gradient(circle at top, rgba(56,189,248,0.4) 0, transparent 70%);
      opacity: 0.4;
    }


    /* GENERIC CARDS / SECTIONS */

    .section-title {
      font-size: 1.9rem;
      margin-bottom: 10px;
    }

    .section-intro {
      max-width: 640px;
      font-size: 0.98rem;
    }

    .cards-row {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 20px;
      margin-top: 26px;
    }

    @media (max-width: 900px) {
      .cards-row {
        grid-template-columns: minmax(0, 1fr);
      }
    }

    .card {
      background: var(--bg-card);
      border-radius: var(--radius-lg);
      padding: 18px 18px 16px;
      border: 1px solid var(--border-subtle);
      box-shadow: var(--shadow-soft);
      position: relative;
      overflow: hidden;
    }

    .card-header {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 8px;
    }

    .card-icon {
      width: 36px;
      height: 36px;
      border-radius: 999px;
      background: var(--accent-soft);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
    }

    .card h3 {
      margin: 0;
    }

    .card p {
      font-size: 0.94rem;
    }

    /* RECHAIN GRIB BLOCK */

    .split-block {
      display: grid;
      grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.8fr);
      gap: 26px;
      align-items: center;
      margin-top: 26px;
    }

    @media (max-width: 900px) {
      .split-block {
        grid-template-columns: minmax(0, 1fr);
      }
    }

    /* Highlight band for Rechain Grib section */

    .rechaingrib-section {
      max-width: var(--max-width);
      margin: 0 auto;
      background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(235, 244, 255, 0.92));
      border-radius: 24px;
      padding: 28px 28px;
      border: 1px solid rgba(148, 163, 184, 0.25);
      box-shadow: 0 25px 60px rgba(15, 23, 42, 0.18);
    }

    @media (max-width: 900px) {
      .rechaingrib-section {
        padding: 22px 18px;
      }
    }

    /* Ajuste un peu les titres/intro à l'intérieur */

    .rechaingrib-section .section-title {
      margin-bottom: 8px;
    }

    .rechaingrib-section .section-intro {
      margin-bottom: 20px;
    }

    /* HOW IT WORKS – Responsive grid */
    .howitworks-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 14px;
      margin-top: 22px;
    }

    @media (max-width: 900px) {
      .howitworks-grid {
        grid-template-columns: repeat(1, minmax(0, 1fr));
      }
    }

    /* PRICING */

    .pricing-row {
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
      gap: 22px;
      margin-top: 26px;
      align-items: stretch;
    }

    @media (max-width: 900px) {
      .pricing-row {
        grid-template-columns: minmax(0, 1fr);
      }
    }

    .pricing-card {
      background: var(--bg-card);
      border-radius: var(--radius-lg);
      padding: 20px 22px 18px;
      border: 1px solid var(--border-subtle);
      box-shadow: var(--shadow-soft);
    }

    .price-tag {
      font-size: 1.6rem;
      font-weight: 700;
      margin-bottom: 6px;
    }

    .price-tag span {
      font-size: 0.9rem;
      color: var(--text-soft);
      font-weight: 400;
    }

    .pricing-features {
      list-style: none;
      padding: 0;
      margin: 12px 0 0;
      font-size: 0.9rem;
      color: var(--text-soft);
    }

    .pricing-features li {
      margin-bottom: 6px;
      display: flex;
      gap: 8px;
    }

    .pricing-features li::before {
      content: "•";
      color: var(--accent-strong);
      font-weight: 700;
    }

    .cta-btn {
      margin-top: 12px;
      padding: 11px 18px;
      border-radius: 999px;
      border: none;
      font-size: 0.95rem;
      font-weight: 600;
      background: linear-gradient(135deg, #0ea5e9, #22c55e);
      color: #022c22;
      cursor: pointer;
      box-shadow: 0 14px 30px rgba(56,189,248,0.45);
      transition: transform 0.12s ease, box-shadow 0.12s ease;
    }

    .cta-btn:hover {
      transform: translateY(-1px);
      box-shadow: 0 18px 40px rgba(56,189,248,0.6);
    }

    .cta-btn:active {
      transform: translateY(0);
      box-shadow: 0 10px 25px rgba(56,189,248,0.4);
    }

    .secure-note {
      font-size: 0.8rem;
      color: var(--text-soft);
      margin-top: 8px;
    }


    /* FAQ */

    .faq-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 18px;
      margin-top: 22px;
    }

    @media (max-width: 900px) {
      .faq-grid {
        grid-template-columns: minmax(0, 1fr);
      }
    }

    .faq-item {
      background: #ffffff;
      border-radius: 18px;
      padding: 14px 16px;
      border: 1px solid var(--border-subtle);
      box-shadow: 0 10px 26px rgba(15,23,42,0.06);
    }

    .faq-item h3 {
      font-size: 0.98rem;
      margin-bottom: 6px;
    }

    .faq-item p {
      font-size: 0.9rem;
      margin-bottom: 0;
    }

    /* FOOTER */

    footer {
      text-align: center;
      padding: 26px 20px 40px;
      font-size: 0.86rem;
      color: #6b7280;
    }

    footer span {
      color: var(--accent-strong);
      font-weight: 500;
    }

    /* iOS App Icon */
    .app-icon-wrapper {
      display: flex;
      justify-content: center;
      margin-bottom: 12px;
    }

    .app-icon-ios {
      width: 70px;        /* taille iOS standard */
      height: 70px;
      border-radius: 22%;  /* ratio iOS officiel ~22% */
      object-fit: cover;   /* remplit correctement */
      box-shadow: 0 8px 22px rgba(0,0,0,0.25);
    }

    /* iOS App Store badge */
    .appstore-wrapper {
      margin-top: 12px;
      display: flex;
      justify-content: center;  /* centré dans la colonne de droite */
    }

    .appstore-badge {
      height: 52px;
      transition: transform 0.15s ease, box-shadow 0.15s ease;
      border-radius: 12px;
      box-shadow: 0 10px 24px rgba(15,23,42,0.25);
    }

    .appstore-badge:hover {
      transform: translateY(-2px);
      box-shadow: 0 16px 32px rgba(15,23,42,0.3);
    }