*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body { font-family: 'Inter', sans-serif; background: #fff; color: #231f20; overflow-x: hidden; }

  /* ── NAV ── */
  nav {
    background: #fff;
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 48px;
    height: 72px;
    position: sticky; top: 0; z-index: 100;
    border-bottom: 1px solid #e5e7eb;
  }
  .nav-logo img { height: 44px; object-fit: contain; }
  .nav-links { display: flex; gap: 56px; align-items: center; }
  .nav-links a {
    font-size: 15px; font-weight: 400;
    color: #4a5565; text-decoration: none;
    transition: color .2s; white-space: nowrap;
  }
  .nav-links a:hover { color: #d61e23; }
  .btn-red {
    background: #d61e23;
    color: #fff; font-weight: 700; font-size: 15px;
    padding: 13px 22px; border-radius: 50px;
    border: none; cursor: pointer;
    box-shadow: none;
    display: inline-flex; align-items: center; gap: 10px;
    text-decoration: none; transition: background .2s; white-space: nowrap;
  }
  .btn-red:hover { background: #b91a1f; opacity: 1; }
  .btn-red .arrow { font-size: 16px; transform: none; display: inline-block; }

  /* ── HERO ── */
  .hero {
    background: linear-gradient(180deg, #EDEDF2 0%, #EDEDF2 50%, #F8F8FA 100%), #FFF;
    display: flex; align-items: center; gap: 80px;
    padding: 0 48px 72px 0;
    overflow: hidden; min-height: 600px;
  }
  .hero-phone {
    flex: 0 0 clamp(320px, 45vw, 900px);
    width: clamp(320px, 45vw, 900px);
    position: relative;
    display: flex; align-items: flex-end;
  }
  .hero-phone img { width: 100%; max-width: 100%; object-fit: contain; position: relative; left: -28px; }
  .hero-text { flex: 1; padding: 60px 0; }
  .hero-text h1 { font-size: clamp(42px, 5vw, 70px); font-weight: 700; line-height: 1.15; margin-bottom: 20px; color: #101828; }
  .hero-text h1 .red { color: #d61e23; }
  .hero-text p { font-size: 20px; color: #4a5565; line-height: 1.6; margin-bottom: 40px; max-width: 560px; }

  /* ── SECTION TITLE ── */
  .section-title {
    font-size: clamp(36px, 4vw, 60px); font-weight: 600;
    text-align: center; line-height: 1.2; letter-spacing: -.02em;
    color: #101828; margin-bottom: 60px;
  }

  /* ── FEATURES ── */
  .features { padding: 80px 48px; background: #f8f8fa; }
  .cards-grid {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 24px; max-width: 1824px; margin: 0 auto;
  }
  .card {
    border-radius: 16px; padding: 32px;
    display: flex; flex-direction: column; gap: 16px; overflow: hidden;
  }
  .card-img { border-radius: 12px; width: 100%; height: 240px; object-fit: cover; }
  .card h3 { font-size: 26px; font-weight: 700; color: #fff; line-height: 1.2; }
  .card p { font-size: 16px; color: #fff; line-height: 1.6; }
  .card-orange { background: #f8ab33; }
  .card-purple { background: #b7529d; }
  .card-red { background: #ed1f27; }
  .card-blue { background: #2294f2; }
  .oem-logos { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
  .oem-logo { background: #fff; border-radius: 6px; width: 100px; height: 70px; display: flex; align-items: center; justify-content: center; overflow: hidden; }
  .oem-logo img { width: 80%; height: 80%; object-fit: contain; }
  .card-img-contain { border-radius: 12px; width: 100%; height: 200px; object-fit: contain; background: rgba(255,255,255,.08); }

  /* ── HOW IT WORKS ── */
  .how-it-works { padding: 80px 48px; background: #fff; }
  .how-it-works .steps { display: flex; flex-direction: column; gap: 60px; max-width: 1824px; margin: 0 auto; }
  .step { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
  .step.reverse { flex-direction: row-reverse; }
  .step-visual {
    flex: 0 0 45%; border-radius: 24px; overflow: hidden;
    min-height: 480px; position: relative;
    background: linear-gradient(105deg, #eb2127 11%, #8d2f32 86%);
    display: flex; align-items: center; justify-content: center;
  }
  .step-visual img { width: 60%; border-radius: 12px; position: relative; z-index: 1; }
  .step-text { flex: 0 0 46%; }
  .step-num { font-size: 44px; font-weight: 700; color: #d61e23; letter-spacing: -.02em; margin-bottom: 16px; }
  .step-text h3 { font-size: 28px; font-weight: 700; color: #000; line-height: 1.2; margin-bottom: 20px; }
  .step-text p { font-size: 20px; font-weight: 500; color: rgba(0,0,0,.8); line-height: 1.6; letter-spacing: .02em; }

  /* ── WHO IS IT FOR ── */
  .who { padding: 80px 48px; background: #fff; }
  .who-grid {
    display: grid; grid-template-columns: repeat(2, 1fr);
    grid-template-rows: auto auto; gap: 24px;
    max-width: 1824px; margin: 0 auto;
  }
  .who-card {
    border-radius: 16px; overflow: hidden; position: relative;
    min-height: 380px; display: flex; align-items: flex-end; padding: 32px;
  }
  .who-card img {
    position: absolute; inset: 0; width: 100%; height: 100%;
    object-fit: cover; z-index: 0;
  }
  .who-card-overlay {
    position: absolute; inset: 0; z-index: 1;
    border-radius: 16px;
  }
  .who-card h3 { position: relative; z-index: 2; font-size: 40px; font-weight: 600; color: #fff; letter-spacing: -.02em; line-height: 1.2; }

  /* ── ONBOARDING ── */
  .onboarding { padding: 80px 48px; background: #f5f4f7; }
  .onboarding .inner { display: flex; gap: 60px; align-items: flex-start; max-width: 1824px; margin: 0 auto; }
  .steps-grid { flex: 1; display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; gap: 24px; }
  .ob-card {
    background: #fff; border-radius: 20px;
    padding: 40px; display: flex; flex-direction: column; gap: 20px;
  }
  .ob-card.active { background: #e5383b; }
  .ob-num { font-size: 80px; font-weight: 700; line-height: 1; color: #ededf2; }
  .ob-card.active .ob-num { color: rgba(255,255,255,.35); }
  .ob-card h4 { font-size: 22px; font-weight: 600; color: #231f20; }
  .ob-card.active h4 { color: #fff; }
  .ob-card p { font-size: 17px; color: #231f20; line-height: 1.7; }
  .ob-card.active p { color: #fff; }
  .phone-widget {
    flex: 0 0 340px; background: #fff; border-radius: 32px;
    border: 4px solid #e0e0e0; overflow: hidden;
    display: flex; flex-direction: column; min-height: 680px;
  }
  .phone-statusbar { background: #fff; padding: 12px 24px 8px; display: flex; justify-content: space-between; align-items: center; font-size: 15px; font-weight: 600; }
  .phone-nav { padding: 8px 16px 12px; border-bottom: 1px solid #f0f0f0; display: flex; align-items: center; gap: 8px; }
  .phone-nav span { color: #e5383b; font-size: 20px; font-weight: 600; }
  .phone-body { flex: 1; padding: 28px 20px; display: flex; flex-direction: column; gap: 24px; }
  .phone-label { font-size: 20px; font-weight: 600; color: #e5383b; margin-bottom: 4px; font-family: 'Noto Sans', 'Inter', sans-serif; }
  .phone-input {
    border: 1.5px solid #e5383b; border-radius: 8px;
    padding: 14px 16px; font-size: 14px; font-weight: 500;
    position: relative; color: #000;
  }
  .phone-input-label {
    position: absolute; top: -10px; left: 12px; background: #fff;
    padding: 0 4px; font-size: 10px; color: #333;
  }
  .phone-footer { padding: 20px; display: flex; flex-direction: column; gap: 12px; box-shadow: 0 -4px 20px rgba(255,255,255,.9); }
  .phone-btn { background: #e5383b; border: none; border-radius: 8px; padding: 16px; color: #fff; font-size: 14px; font-weight: 600; letter-spacing: .05em; text-transform: uppercase; cursor: pointer; }
  .phone-hint { text-align: center; font-size: 13px; font-weight: 500; color: #e5383b; }
  .phone-hint span { text-decoration: underline; }
  .phone-hint-b { color: #000; }

  /* ── FOOTER ── */
  footer {
    background: #f5f4f7;
    display: flex; gap: 0;
    padding: 0; overflow: hidden;
  }
  .footer-brand {
    background: #e5383b; padding: 48px;
    flex: 0 0 340px; display: flex; flex-direction: column; gap: 28px;
    border-radius: 0 16px 16px 0;
  }
  .footer-brand img { height: 42px; object-fit:  }
  .footer-brand p { color: #ededf2; font-size: 17px; line-height: 1.6; }
  .social-row { display: flex; gap: 20px; padding-top: 16px; }
  .social-icon { width: 26px; height: 26px; fill: #fff; cursor: pointer; opacity: .85; transition: opacity .2s; }
  .social-icon:hover { opacity: 1; }
  .footer-links { display: flex; flex: 1; gap: 0; padding: 40px 48px 40px 80px; justify-content: space-between; }
  .footer-col { display: flex; flex-direction: column; gap: 20px; min-width: 160px; }
  .footer-col h4 { font-size: 18px; font-weight: 700; color: #231f20; }
  .footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 14px; }
  .footer-col ul li a { font-size: 16px; color: #231f20; text-decoration: none; transition: color .2s; }
  .footer-col ul li a:hover { color: #e5383b; }
  .contact-item { display: flex; align-items: center; gap: 10px; font-size: 16px; color: #231f20; }
  .contact-item svg { width: 18px; height: 18px; flex-shrink: 0; }

  /* ── PHONE MOCKUP in step ── */
  .phone-mockup-wrap {
    position: relative; width: 220px; margin: 0 auto;
  }
  .phone-mockup-wrap img {
    width: 100%; border-radius: 32px;
    box-shadow: 0 20px 60px rgba(0,0,0,.4);
  }

  /* Responsive */
  @media (max-width: 900px) {
    .cards-grid { grid-template-columns: 1fr 1fr; }
    .step, .step.reverse { flex-direction: column; }
    .step-visual { width: 100%; flex: none; }
    .who-grid { grid-template-columns: 1fr; }
    .steps-grid { grid-template-columns: 1fr; }
    .onboarding .inner { flex-direction: column; }
    footer { flex-direction: column; }
    .footer-links { flex-direction: column; padding: 32px; }
    .nav-links { display: none; }
    .hero { flex-direction: column; padding-top: 40px; }
    .hero-phone { width: 280px; }
  }
  /* ── HAMBURGER BUTTON ── */
  .hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 44px; height: 44px;
    background: none; border: none; cursor: pointer;
    padding: 6px; border-radius: 8px;
    z-index: 200;
  }
  .hamburger span {
    display: block;
    width: 24px; height: 2px;
    background: #231f20; border-radius: 2px;
    transition: transform .3s ease, opacity .3s ease, width .3s ease;
    transform-origin: center;
  }
  .hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .hamburger.open span:nth-child(2) { opacity: 0; width: 0; }
  .hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  /* ── MOBILE MENU OVERLAY ── */
  .mobile-menu {
    display: none;
    position: fixed; inset: 0; z-index: 150;
    background: #fff;
    flex-direction: column;
    align-items: center; justify-content: center; gap: 40px;
    transform: translateX(100%);
    transition: transform .35s cubic-bezier(.4,0,.2,1);
    padding: 80px 32px 48px;
  }
  .mobile-menu.open { transform: translateX(0); }
  .mobile-menu-links {
    display: flex; flex-direction: column;
    align-items: center; gap: 32px;
    width: 100%;
  }
  .mobile-menu-links a {
    font-size: 28px; font-weight: 600;
    color: #231f20; text-decoration: none;
    transition: color .2s;
  }
  .mobile-menu-links a:hover { color: #d61e23; }
  .mobile-menu-cta { width: 100%; text-align: center; justify-content: center; font-size: 16px; }

  /* ── NAV ACTIVE LINK ── */
  .nav-links a.active { color: #d61e23; font-weight: 600; }

  /* ── FADE-UP ANIMATION ── */
  .fade-up {
    opacity: 0; transform: translateY(32px);
    transition: opacity .6s ease, transform .6s ease;
  }
  .fade-up.visible { opacity: 1; transform: translateY(0); }

  /* ── SHAKE KEYFRAME ── */
  @keyframes shake {
    0%,100% { transform: translateX(0); }
    25% { transform: translateX(-8px); }
    75% { transform: translateX(8px); }
  }

  /* ── RESPONSIVE OVERRIDES ── */
  @media (max-width: 1100px) {
    .nav-links { gap: 32px; }
    .nav-links a { font-size: 15px; }
    .cards-grid { gap: 16px; }
  }

  @media (max-width: 900px) {
    /* Show hamburger, hide desktop nav */
    .hamburger { display: flex; }
    .mobile-menu { display: flex; }
    .nav-links { display: none !important; }
    .nav-cta { display: none; }
    nav { padding: 12px 20px; }

    /* Hero */
    .hero {
      flex-direction: column;
      padding: 0 20px 48px;
      gap: 32px;
      min-height: unset;
      text-align: center;
    }
    .hero-phone {
      flex: none;
      width: clamp(240px, 70vw, 420px);
      margin: 0 auto;
    }
    .hero-phone img { left: 0; }
    .hero-text { padding: 0 0 16px; }
    .hero-text p { font-size: 16px; margin: 0 auto 32px; }
    .hero-text .btn-red { margin: 0 auto; }

    /* Features */
    .features { padding: 56px 20px; }
    .cards-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
    .card { padding: 24px; }
    .card h3 { font-size: 20px; }

    /* How it works */
    .how-it-works { padding: 56px 20px; }
    .step, .step.reverse { flex-direction: column; gap: 24px; }
    .step-visual { width: 100%; flex: none; min-height: 280px; }
    .step-text { flex: none; width: 100%; }
    .step-num { font-size: 36px; }
    .step-text h3 { font-size: 22px; }
    .step-text p { font-size: 16px; }

    /* Who is it for */
    .who { padding: 56px 20px; }
    .who-grid { grid-template-columns: 1fr; gap: 16px; }
    .who-card { min-height: 260px; }
    .who-card h3 { font-size: 28px; }

    /* Onboarding */
    .onboarding { padding: 56px 20px; }
    .onboarding .inner { flex-direction: column; gap: 40px; }
    .steps-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
    .ob-card { padding: 28px 20px; }
    .ob-num { font-size: 56px; }
    .ob-card h4 { font-size: 17px; }
    .ob-card p { font-size: 14px; }
    .phone-widget { flex: none; width: 100%; max-width: 360px; margin: 0 auto; min-height: unset; }

    /* Footer */
    footer { flex-direction: column; }
    .footer-brand {
      flex: none; border-radius: 0;
      padding: 32px 20px;
    }
    .footer-links { flex-direction: column; padding: 32px 20px; gap: 28px; }

    /* Section titles */
    .section-title { font-size: clamp(28px, 7vw, 40px); margin-bottom: 40px; }
  }

  @media (max-width: 480px) {
    .cards-grid { grid-template-columns: 1fr; }
    .steps-grid { grid-template-columns: 1fr; }
    .hero-text h1 { font-size: clamp(32px, 9vw, 48px); }
    .who-card h3 { font-size: 22px; }
    .step-visual { min-height: 220px; }
  }

  /* ── MOBILE MENU CLOSE BUTTON ── */
  .mobile-menu-close {
    position: absolute; top: 20px; right: 20px;
    width: 44px; height: 44px;
    background: #f5f4f7; border: none; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; color: #231f20;
    transition: background .2s, transform .2s;
  }
  .mobile-menu-close:hover { background: #ededf2; transform: rotate(90deg); }
  .mobile-menu-close svg { width: 20px; height: 20px; }

  /* ══════════════════════════════════
     PHONE WIDGET — 3-SCREEN FLOW
  ══════════════════════════════════ */
  .phone-widget {
    flex: 0 0 300px;
    background: #fff;
    border-radius: 40px;
    border: 6px solid #1a1a1a;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-height: 620px;
    box-shadow: 0 24px 60px rgba(0,0,0,.18);
    position: relative;
  }

  /* Screen container */
  .pw-screen {
    display: flex; flex-direction: column;
    height: 100%; min-height: 620px;
    position: relative;
    transition: opacity .3s ease, transform .3s ease;
  }
  .pw-hidden { display: none !important; }

  /* Status bar */
  .pw-statusbar {
    display: flex; justify-content: space-between; align-items: center;
    padding: 10px 18px 6px;
    font-size: 13px; font-weight: 700; color: #1a1a1a;
  }
  .pw-status-icons { display: flex; align-items: center; gap: 5px; }

  /* Nav bar */
  .pw-nav {
    display: flex; align-items: center; gap: 8px;
    padding: 6px 16px 12px;
    border-bottom: 1px solid #f0f0f0;
  }
  .pw-back { color: #e5383b; font-size: 26px; line-height: 1; cursor: pointer; }
  .pw-back-btn {
    background: none; border: none; cursor: pointer;
    padding: 0; display: flex; align-items: center;
    margin-right: 2px;
  }
  .pw-title {
    color: #e5383b; font-size: 17px; font-weight: 700;
    flex: 1;
  }

  /* Body */
  .pw-body {
    flex: 1; padding: 20px 16px 12px;
    display: flex; flex-direction: column; gap: 16px;
    overflow-y: auto;
  }
  .pw-form-body { gap: 10px; padding-top: 14px; }
  .pw-label {
    font-size: 17px; font-weight: 700; color: #e5383b;
    margin-bottom: 4px;
  }

  /* Floating-label field */
  .pw-field-wrap { position: relative; }
  .pw-field {
    width: 100%;
    border: 1.5px solid #e5383b; border-radius: 8px;
    padding: 14px 12px 6px;
    font-size: 14px; font-weight: 500; color: #1a1a1a;
    background: #fff; outline: none;
    font-family: 'Inter', sans-serif;
    transition: border-color .2s;
  }
  .pw-field:focus { border-color: #c0272d; box-shadow: 0 0 0 3px rgba(229,56,59,.12); }
  .pw-field.error { border-color: #ff4d4f; }
  .pw-field-label {
    position: absolute; left: 11px; top: -8px;
    background: #fff; padding: 0 4px;
    font-size: 10px; font-weight: 500; color: #888;
    pointer-events: none;
  }
  /* Animate label for screen-1 input which has placeholder */
  #pw-mobile::placeholder { color: #aaa; }

  /* Error message */
  .pw-error {
    font-size: 11px; color: #ff4d4f; margin-top: -10px;
    display: none; padding-left: 4px;
  }
  .pw-error.show { display: block; }

  /* Footer */
  .pw-footer {
    padding: 12px 16px 20px;
    display: flex; flex-direction: column; gap: 10px;
    background: #fff;
    box-shadow: 0 -6px 16px rgba(255,255,255,.95);
  }
  .pw-btn {
    background: #e5383b; border: none; border-radius: 10px;
    padding: 15px; color: #fff;
    font-size: 13px; font-weight: 700; letter-spacing: .08em;
    cursor: pointer; transition: background .2s, transform .1s;
    font-family: 'Inter', sans-serif;
  }
  .pw-btn:hover { background: #c0272d; }
  .pw-btn:active { transform: scale(.98); }
  .pw-hint {
    text-align: center; font-size: 11px; line-height: 1.5;
  }
  .pw-hint-link { color: #e5383b; font-weight: 600; text-decoration: underline; }
  .pw-hint-text { color: #444; }

  /* Screen 3 — Success */
  .pw-success-body {
    flex: 1; display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    padding: 24px 24px 40px; gap: 16px; text-align: center;
  }
  .pw-success-icon {
    width: 68px; height: 68px; border-radius: 50%;
    background: #e5383b;
    display: flex; align-items: center; justify-content: center;
    animation: popIn .4s cubic-bezier(.34,1.56,.64,1);
  }
  @keyframes popIn {
    from { transform: scale(0); opacity: 0; }
    to   { transform: scale(1); opacity: 1; }
  }
  .pw-success-title {
    font-size: 24px; font-weight: 700; color: #e5383b;
  }
  .pw-success-msg {
    font-size: 14px; color: #e5383b; line-height: 1.6; font-weight: 500;
  }

  /* Slide transition */
  @keyframes slideInRight {
    from { transform: translateX(100%); opacity: 0; }
    to   { transform: translateX(0);    opacity: 1; }
  }
  @keyframes slideInLeft {
    from { transform: translateX(-100%); opacity: 0; }
    to   { transform: translateX(0);     opacity: 1; }
  }
  .pw-slide-in-right  { animation: slideInRight .28s ease; }
  .pw-slide-in-left   { animation: slideInLeft  .28s ease; }

  /* Responsive */
  @media (max-width: 900px) {
    .phone-widget { flex: none; width: 100%; max-width: 340px; margin: 0 auto; }
  }