*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

  :root {
    --black: #0a0a0a;
    --white: #ffffff;
    --accent: #0071e3;
    --accent-light: #e8f2ff;
    --accent-dark: #004aad;
    --gray-50: #f8f9fa;
    --gray-100: #f1f3f5;
    --gray-200: #e9ecef;
    --gray-400: #adb5bd;
    --gray-600: #6c757d;
    --gray-800: #343a40;
    --green: #1a9e5e;
    --green-light: #e6f7ef;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --radius-xl: 32px;
    --shadow-soft: 0 2px 20px rgba(0,0,0,0.06);
    --shadow-card: 0 4px 30px rgba(0,0,0,0.08);
  }

  html { scroll-behavior: smooth; }

  body {
    font-family: 'DM Sans', -apple-system, sans-serif;
    background: var(--white);
    color: var(--black);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }

  /* NAV */
  nav {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--gray-200);
    padding: 0 24px;
  }

  .nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    gap: 16px;
  }

  .nav-logo {
    font-family: 'Syne', sans-serif;
    font-weight: 800;
    font-size: 20px;
    color: var(--black);
    text-decoration: none;
    flex-shrink: 0;
  }

  .nav-logo span { color: var(--accent); }

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

  .nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-600);
    text-decoration: none;
    transition: color 0.2s;
  }

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

  .nav-cta {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--accent);
    color: var(--white);
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 100px;
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    flex-shrink: 0;
    transition: background 0.2s;
  }

  .nav-cta:hover { background: var(--accent-dark); }

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

  .hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--black);
    border-radius: 2px;
    transition: all 0.3s;
  }

  .mobile-menu {
    display: none;
    flex-direction: column;
    gap: 0;
    background: var(--white);
    border-top: 1px solid var(--gray-200);
    padding: 16px 24px 24px;
  }

  .mobile-menu a {
    display: block;
    padding: 12px 0;
    font-size: 16px;
    font-weight: 500;
    color: var(--gray-800);
    text-decoration: none;
    border-bottom: 1px solid var(--gray-100);
  }

  .mobile-menu a:last-child { border-bottom: none; }
  .mobile-menu.open { display: flex; }

  /* HERO */
  .hero {
    background: linear-gradient(160deg, #0a0a0a 0%, #1a1a2e 100%);
    color: var(--white);
    padding: 80px 24px 72px;
    position: relative;
    overflow: hidden;
  }

  .hero::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -80px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0,113,227,0.3) 0%, transparent 70%);
    pointer-events: none;
  }

  .hero::after {
    content: '';
    position: absolute;
    bottom: -60px;
    left: -60px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(0,113,227,0.15) 0%, transparent 70%);
    pointer-events: none;
  }

  .hero-inner {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
  }

  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(0,113,227,0.15);
    border: 1px solid rgba(0,113,227,0.4);
    color: #7bb8f8;
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 28px;
  }

  .hero-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    background: #4ade80;
    border-radius: 50%;
    flex-shrink: 0;
    animation: pulse-dot 2s infinite;
  }

  @keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
  }

  .hero h1 {
    font-family: 'Syne', sans-serif;
    font-weight: 800;
    font-size: clamp(32px, 5vw, 62px);
    line-height: 1.08;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
    max-width: 820px;
  }

  .hero h1 em {
    font-style: normal;
    color: #60a5fa;
  }

  .hero-sub {
    font-size: clamp(16px, 2.2vw, 19px);
    color: rgba(255,255,255,0.65);
    max-width: 560px;
    margin-bottom: 40px;
    font-weight: 300;
    line-height: 1.7;
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    align-items: center;
  }

  .btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent);
    color: var(--white);
    text-decoration: none;
    padding: 15px 30px;
    border-radius: 100px;
    font-size: 15px;
    font-weight: 500;
    transition: background 0.2s, transform 0.15s;
  }

  .btn-primary:hover { background: var(--accent-dark); transform: translateY(-1px); }

  .btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,0.75);
    text-decoration: none;
    padding: 15px 24px;
    border-radius: 100px;
    border: 1px solid rgba(255,255,255,0.2);
    font-size: 15px;
    font-weight: 400;
    transition: all 0.2s;
  }

  .btn-ghost:hover { border-color: rgba(255,255,255,0.5); color: var(--white); }

  .hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 32px;
    margin-top: 56px;
    padding-top: 40px;
    border-top: 1px solid rgba(255,255,255,0.1);
  }

  .hero-stat-num {
    font-family: 'Syne', sans-serif;
    font-size: 28px;
    font-weight: 700;
    color: var(--white);
  }

  .hero-stat-label {
    font-size: 13px;
    color: rgba(255,255,255,0.5);
    margin-top: 2px;
  }

  /* TRUST BAR */
  .trust-bar {
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
    padding: 14px 24px;
  }

  .trust-bar-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    align-items: center;
    justify-content: center;
  }

  .trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 500;
    color: var(--gray-600);
    white-space: nowrap;
  }

  .trust-icon {
    width: 18px;
    height: 18px;
    color: var(--accent);
    flex-shrink: 0;
  }

  /* SECTION GENERIC */
  section { padding: 72px 24px; }

  .section-inner {
    max-width: 1200px;
    margin: 0 auto;
  }

  .section-eyebrow {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 12px;
  }

  .section-title {
    font-family: 'Syne', sans-serif;
    font-size: clamp(26px, 4vw, 40px);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--black);
    margin-bottom: 14px;
  }

  .section-desc {
    font-size: 17px;
    color: var(--gray-600);
    max-width: 560px;
    font-weight: 300;
    line-height: 1.7;
  }

  .section-header { margin-bottom: 48px; }

  /* SERVICES TABS */
  .services-bg { background: var(--white); }

  .tabs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 36px;
  }

  .tab-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 100px;
    border: 1.5px solid var(--gray-200);
    background: var(--white);
    color: var(--gray-600);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
  }

  .tab-btn:hover { border-color: var(--accent); color: var(--accent); }

  .tab-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--white);
  }

  .tab-panel { display: none; }
  .tab-panel.active { display: grid; }

  .services-grid {
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
  }

  .service-card {
    background: var(--white);
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-md);
    padding: 20px 22px;
    transition: all 0.2s;
    cursor: default;
  }

  .service-card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-card);
    transform: translateY(-2px);
  }

  .service-icon {
    width: 40px;
    height: 40px;
    background: var(--accent-light);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
    font-size: 20px;
  }

  .service-name {
    font-weight: 500;
    font-size: 15px;
    color: var(--black);
    line-height: 1.4;
  }

  /* WHY US */
  .why-bg { background: var(--gray-50); }

  .features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
  }

  .feature-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 28px 28px 24px;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--gray-100);
  }

  .feature-num {
    font-family: 'Syne', sans-serif;
    font-size: 42px;
    font-weight: 800;
    color: var(--accent);
    opacity: 0.12;
    line-height: 1;
    margin-bottom: -8px;
  }

  .feature-icon-wrap {
    width: 48px;
    height: 48px;
    background: var(--accent-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    font-size: 22px;
  }

  .feature-title {
    font-family: 'Syne', sans-serif;
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--black);
  }

  .feature-desc {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.65;
  }

  /* DEVICES */
  .devices-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .device-card {
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    text-align: center;
    border: 1.5px solid var(--gray-200);
    background: var(--white);
    transition: all 0.25s;
  }

  .device-card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-card);
    transform: translateY(-3px);
  }

  .device-emoji { font-size: 44px; margin-bottom: 16px; display: block; }

  .device-name {
    font-family: 'Syne', sans-serif;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--black);
  }

  .device-count {
    font-size: 13px;
    color: var(--gray-600);
    background: var(--gray-100);
    display: inline-block;
    padding: 4px 12px;
    border-radius: 100px;
    margin-bottom: 12px;
  }

  .device-desc {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.6;
  }

  /* HOW IT WORKS */
  .steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 0;
    position: relative;
  }

  .step-card {
    text-align: center;
    padding: 32px 20px;
    position: relative;
  }

  .step-card:not(:last-child)::after {
    content: '→';
    position: absolute;
    right: -12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 20px;
    color: var(--gray-400);
    z-index: 1;
  }

  .step-num {
    width: 52px;
    height: 52px;
    background: var(--accent);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Syne', sans-serif;
    font-weight: 800;
    font-size: 20px;
    margin: 0 auto 16px;
  }

  .step-title {
    font-weight: 600;
    font-size: 15px;
    margin-bottom: 8px;
    color: var(--black);
  }

  .step-desc {
    font-size: 13px;
    color: var(--gray-600);
    line-height: 1.5;
  }

  /* CONTACT */
  .contact-bg { background: var(--black); color: var(--white); }

  .contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
  }

  .contact-title {
    font-family: 'Syne', sans-serif;
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 18px;
    color: var(--white);
  }

  .contact-title span { color: #60a5fa; }

  .contact-desc {
    font-size: 16px;
    color: rgba(255,255,255,0.55);
    font-weight: 300;
    line-height: 1.7;
    margin-bottom: 36px;
  }

  .contact-methods {
    display: flex;
    flex-direction: column;
    gap: 16px;
  }

  .contact-method {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    padding: 18px 20px;
    transition: border-color 0.2s;
    text-decoration: none;
    color: inherit;
  }

  .contact-method:hover { border-color: rgba(0,113,227,0.6); }

  .contact-method-icon {
    width: 42px;
    height: 42px;
    background: rgba(0,113,227,0.15);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
  }

  .contact-method-label {
    font-size: 12px;
    color: rgba(255,255,255,0.45);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 4px;
  }

  .contact-method-value {
    font-size: 16px;
    font-weight: 500;
    color: var(--white);
  }

  .map-placeholder {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    overflow: hidden;
    height: 100%;
    min-height: 320px;
    display: flex;
    flex-direction: column;
  }

  .map-embed {
    width: 100%;
    flex: 1;
    border: none;
    min-height: 280px;
    border-radius: var(--radius-md);
  }

  .map-label {
    padding: 16px 20px;
    background: rgba(255,255,255,0.06);
  }

  .map-address {
    font-size: 13px;
    color: rgba(255,255,255,0.6);
    line-height: 1.6;
  }

  /* FAQ */
  .faq-bg { background: var(--gray-50); }

  .faq-list {
    max-width: 760px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
  }

  .faq-item {
    background: var(--white);
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-md);
    overflow: hidden;
  }

  .faq-q {
    padding: 20px 24px;
    font-weight: 500;
    font-size: 15px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    list-style: none;
    user-select: none;
  }

  .faq-q::-webkit-details-marker { display: none; }

  .faq-arrow {
    font-size: 18px;
    color: var(--gray-400);
    transition: transform 0.25s;
    flex-shrink: 0;
  }

  details[open] .faq-arrow { transform: rotate(180deg); }

  .faq-a {
    padding: 0 24px 20px;
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.7;
    border-top: 1px solid var(--gray-100);
    padding-top: 14px;
  }

  /* FOOTER */
  footer {
    background: #050505;
    color: rgba(255,255,255,0.5);
    padding: 40px 24px;
    text-align: center;
    border-top: 1px solid rgba(255,255,255,0.06);
  }

  footer a { color: rgba(255,255,255,0.6); text-decoration: none; }
  footer a:hover { color: var(--white); }

  .footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
  }

  .footer-logo {
    font-family: 'Syne', sans-serif;
    font-weight: 800;
    font-size: 18px;
    color: var(--white);
  }

  .footer-logo span { color: var(--accent); }

  .footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    justify-content: center;
  }

  .footer-links a { font-size: 13px; }

  .footer-copy { font-size: 12px; color: rgba(255,255,255,0.3); }

  /* FLOATING CTA */
  .floating-cta {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 999;
    display: none;
  }

  .floating-cta a {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--green);
    color: var(--white);
    text-decoration: none;
    padding: 14px 22px;
    border-radius: 100px;
    font-size: 15px;
    font-weight: 500;
    box-shadow: 0 4px 24px rgba(26,158,94,0.4);
    transition: all 0.2s;
  }

  .floating-cta a:hover {
    background: #148050;
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(26,158,94,0.5);
  }

  /* RESPONSIVE */
  @media (max-width: 900px) {
    .devices-grid { grid-template-columns: 1fr 1fr; }
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .nav-links { display: none; }
    .hamburger { display: flex; }
    .nav-cta.desktop { display: none; }
    .step-card:not(:last-child)::after { display: none; }
    .floating-cta { display: block; }
  }

  @media (max-width: 600px) {
    section { padding: 52px 20px; }
    .hero { padding: 56px 20px 60px; }
    .devices-grid { grid-template-columns: 1fr; }
    .hero-stats { gap: 24px; }
    .steps-grid { grid-template-columns: 1fr 1fr; }
    .tabs { gap: 6px; }
    .tab-btn { font-size: 13px; padding: 8px 14px; }
    nav { padding: 0 16px; }
  }

  @media (max-width: 400px) {
    .steps-grid { grid-template-columns: 1fr; }
    .hero h1 { font-size: 28px; }
  }