/* Reset & base */
    *,
    *::before,
    *::after {
      box-sizing: border-box;
    }
    body {
      margin: 0;
      font-family: 'Poppins', sans-serif;
      background: #fff0f6;
      color: #333;
      line-height: 1.5;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      overflow-x: hidden;
      scroll-behavior: smooth;
    }
    a {
      text-decoration: none;
      color: inherit;
      cursor: pointer;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
      user-select: none;
    }
    /* Scrollbar customization */
    ::-webkit-scrollbar {
      width: 8px;
      height: 8px;
    }
    ::-webkit-scrollbar-thumb {
      background: #d32f64aa;
      border-radius: 8px;
    }
    ::-webkit-scrollbar-track {
      background: transparent;
    }
    /* Layout container */
    .container {
      width: 100%;
      max-width: 1200px;
      margin: auto;
      padding: 0 20px;
    }
    /* Sticky header */
    header {
      background: linear-gradient(90deg, #f56f92 0%, #ad72e7 100%);
      color: white;
      height: 64px;
      padding: 0 20px;
      position: sticky;
      top: 0;
      z-index: 110;
      display: flex;
      justify-content: space-between;
      align-items: center;
      box-shadow: 0 2px 12px rgb(0 0 0 / 0.15);
      user-select: none;
      backdrop-filter: saturate(180%) blur(10px);
    }
    header .logo {
      display: flex;
      align-items: center;
      gap: 8px;
      font-weight: 700;
      font-size: clamp(1.125rem, 2vw, 1.4rem);
      white-space: nowrap;
    }
    header .logo svg {
      width: 28px;
      height: 28px;
      fill: white;
      flex-shrink: 0;
    }
    /* Mobile menu button */
    header button.menu-btn {
      background: transparent;
      border: none;
      color: white;
      font-size: 32px;
      cursor: pointer;
      display: none;
      padding: 4px;
      border-radius: 8px;
      transition: background-color 0.3s ease;
    }
    header button.menu-btn:focus,
    header button.menu-btn:hover {
      background-color: rgba(255 255 255 / 0.2);
      outline-offset: 2px;
      outline: 2px solid #f56f92;
    }
    /* Breadcrumb navigation */
    nav.breadcrumb {
      color: white;
      font-weight: 600;
      font-size: clamp(0.75rem, 1.2vw, 0.9rem);
      user-select: none;
      white-space: nowrap;
      flex-shrink: 1;
      margin-left: 16px;
      align-self: center;
      max-width: 60vw;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    /* Slide-out mobile sidebar */
    .sidebar {
      position: fixed;
      top: 64px;
      left: 0;
      width: 280px;
      height: calc(100vh - 64px);
      background: linear-gradient(180deg, #f0e5fc 0%, #fff0f6 100%);
      box-shadow: 2px 0 10px rgb(0 0 0 / 0.15);
      transform: translateX(-100%);
      transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      z-index: 120;
      display: flex;
      flex-direction: column;
      padding: 24px 16px;
      overflow-y: auto;
    }
    .sidebar.open {
      transform: translateX(0);
    }
    /* Sidebar nav items */
    .sidebar nav {
      margin-top: 8px;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .sidebar nav a {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 12px 16px;
      font-weight: 600;
      font-size: 1rem;
      color: #7b258c;
      border-radius: 12px;
      user-select: none;
      transition: background-color 0.25s ease, box-shadow 0.25s ease;
    }
    .sidebar nav a .material-icons {
      font-size: 24px;
      color: #ad72e7;
      flex-shrink: 0;
    }
    .sidebar nav a:hover,
    .sidebar nav a:focus {
      background-color: #ad72e7;
      color: white;
      outline: none;
      box-shadow: 0 4px 12px rgb(173 114 231 / 0.5);
    }

    /* Overlay behind sidebar */
    .overlay {
      position: fixed;
      inset: 0;
      background-color: rgba(0, 0, 0, 0.3);
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.3s ease;
      z-index: 115;
    }
    .overlay.visible {
      opacity: 1;
      pointer-events: auto;
    }

    /* Main hero layout */
    main.hero-section {
      background: linear-gradient(180deg, #fff0f6 0%, #f0e5fc 100%);
      padding: 80px 20px 100px;
      position: relative;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      min-height: calc(100vh - 64px - 60px);
      overflow-x: hidden;
    }
    .hero-text {
      flex: 1 1 380px;
      max-width: 480px;
      color: #d32f64;
      padding-right: 20px;
    }
    .hero-text h1 {
      font-weight: 700;
      font-size: clamp(1.8rem, 4vw, 2.4rem);
      margin-bottom: 12px;
      line-height: 1.1;
    }
    .hero-text p {
      font-weight: 400;
      font-size: clamp(0.9rem, 1.8vw, 1rem);
      color: #555;
      margin-bottom: 18px;
      max-width: 420px;
    }
    .hero-buttons {
      display: flex;
      gap: 10px;
      margin-bottom: 24px;
      flex-wrap: wrap;
    }
    .btn-tag {
      background: white;
      border-radius: 18px;
      padding: 6px 14px;
      font-size: clamp(0.7rem, 1.4vw, 0.8rem);
      font-weight: 600;
      color: #d32f64;
      box-shadow: 0 2px 6px rgb(211 47 99 / 0.15);
      display: inline-flex;
      align-items: center;
      gap: 6px;
      user-select: none;
      cursor: default;
    }
    .btn-primary {
      background: linear-gradient(90deg, #d32f64 0%, #ad72e7 100%);
      color: white;
      font-weight: 700;
      border: none;
      border-radius: 30px;
      padding: 14px 30px;
      font-size: clamp(1rem, 2vw, 1.1rem);
      cursor: pointer;
      box-shadow: 0 6px 16px rgb(211 47 99 / 0.35);
      transition: background 0.3s ease, transform 0.2s ease;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      user-select: none;
      min-height: 44px; /* Touch optimized */
      justify-content: center;
    }
    .btn-primary:hover,
    .btn-primary:focus {
      background: linear-gradient(90deg, #ad72e7 0%, #d32f64 100%);
      transform: translateY(-3px);
      box-shadow: 0 10px 20px rgb(211 47 99 / 0.5);
      outline: none;
    }
    .btn-primary .material-icons {
      font-size: 20px;
    }
    .btn-subtext {
      font-size: 0.7rem;
      color: #d32f64;
      font-weight: 600;
      margin-top: 4px;
      user-select: none;
    }

    /* Phone mockup */
    .hero-image {
      flex: 1 1 320px;
      max-width: 320px;
      margin-left: 20px;
      filter: drop-shadow(0 10px 12px rgba(0, 0, 0, 0.1));
      border-radius: 36px;
      background: white;
      padding: 16px;
      box-shadow:
        0 4px 15px rgba(0, 0, 0, 0.07),
        inset 0 0 0 3px #e9d7f7;
      position: relative;
      transform: rotate(-6deg);
      transition: transform 0.5s ease;
      aspect-ratio: 9 / 19;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      justify-content: center;
      user-select: none;
    }
    .hero-image:hover {
      transform: rotate(-2deg) translateY(-10px);
    }
    .phone-screen {
      border-radius: 28px;
      border: 14px solid #edd9f8;
      background: linear-gradient(180deg, #fdebf8 0%, #fff0f6 100%);
      width: 100%;
      height: 100%;
      overflow: hidden;
      position: relative;
      display: flex;
      flex-direction: column;
      gap: 14px;
      padding: 18px 12px 24px 12px;
      box-shadow: inset 0 0 30px #e3caf7;
    }
    .phone-card {
      background: white;
      border-radius: 16px;
      box-shadow: 0 3px 7px rgb(0 0 0 / 0.15);
      padding: 8px 10px;
      display: flex;
      align-items: center;
      gap: 10px;
      cursor: pointer;
      filter: drop-shadow(0 2px 2px rgb(0 0 0 / 0.1));
      user-select: none;
      transition: box-shadow 0.3s ease;
    }
    .phone-card:hover,
    .phone-card:focus {
      box-shadow: 0 8px 20px rgb(211 47 99 / 0.4);
      outline: none;
    }
    .phone-card img {
      width: 46px;
      height: 42px;
      object-fit: cover;
      border-radius: 12px;
      flex-shrink: 0;
      box-shadow: 0 0 6px #d076ef8c;
      border: 2px solid #d076ef8c;
      user-select: none;
    }
    .phone-card .phone-card-text {
      font-size: 0.8rem;
      color: #ad72e7;
      font-weight: 700;
      user-select: none;
      white-space: nowrap;
    }

    /* Section stats */
    section.stats {
      max-width: 1100px;
      margin: -50px auto 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 0 20px;
      gap: 10px;
      flex-wrap: wrap;
      color: #a04084;
      user-select: none;
      font-weight: 600;
      font-size: clamp(0.8rem, 2vw, 1rem);
    }
    .stats-left,
    .stats-right {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .stats-left {
      flex: 1 1 auto;
      font-size: clamp(0.9rem, 2vw, 1rem);
    }
    .stats-right {
      gap: 4px;
      font-size: clamp(0.8rem, 1.5vw, 0.9rem);
      color: #4a4a4a;
      white-space: nowrap;
      flex-shrink: 0;
    }
    .stars {
      color: #d32f64;
      font-size: 1.2rem;
      display: flex;
      gap: 2px;
      margin-left: 8px;
      user-select: none;
    }

    /* Cards carousel container */
    .card-carousel {
      max-width: 1200px;
      margin: 30px auto 40px;
      padding: 0 20px;
      overflow-x: auto;
      display: flex;
      gap: 20px;
      scroll-padding-left: 16px;
      scroll-behavior: smooth;
      user-select: none;
    }
    .card-carousel:focus {
      outline: 2px solid #d32f64;
      outline-offset: 4px;
    }
    /* Card styles */
    .card {
      min-width: 230px;
      background: white;
      border-radius: 14px;
      box-shadow: 0 6px 12px rgb(0 0 0 / 0.1);
      border: 2px solid transparent;
      flex-shrink: 0;
      position: relative;
      overflow: hidden;
      font-size: 0.85rem;
      user-select: none;
      transition: box-shadow 0.3s ease, border-color 0.3s ease;
    }
    .card.new-label {
      position: absolute;
      top: 8px;
      left: 10px;
      background: #d32f64;
      color: white;
      font-weight: 700;
      font-size: 0.7rem;
      padding: 2px 10px;
      border-radius: 12px;
      z-index: 2;
      text-transform: uppercase;
      user-select: none;
    }
    .card img {
      width: 100%;
      aspect-ratio: 3 / 4;
      object-fit: cover;
      display: block;
      user-select: none;
      pointer-events: none;
    }
    .card-content {
      padding: 10px 14px 16px;
      background: linear-gradient(180deg, #fefefe 0%, #f0e5fc 100%);
    }
    .card-title {
      font-weight: 700;
      font-size: 1.05rem;
      margin-bottom: 4px;
      color: #7b258c;
    }
    .card-subtitle {
      font-weight: 600;
      display: inline-block;
      font-size: 0.75rem;
      color: white;
      background: #4a148c;
      border-radius: 12px;
      padding: 2px 10px;
      user-select: none;
      margin-bottom: 6px;
    }
    /* Different themed subtitles */
    .card-subtitle.anniversary {
      background: #673ab7;
    }
    .card-subtitle.lovememories {
      background: #d32f64;
    }
    .card-subtitle.party {
      background: #6d4c41;
    }
    .card-subtitle.timeline {
      background: #3f51b5;
    }
    .card-description {
      font-size: 0.8rem;
      color: #524a6b;
      line-height: 1.3;
      min-height: 70px;
    }
    .card:hover,
    .card:focus-within {
      border-color: #d32f64;
      box-shadow: 0 14px 30px #d32f6420;
      outline: none;
    }

    /* Sections below stats */
    section.info-section {
      max-width: 900px;
      margin: 0 auto 60px;
      padding: 0 20px;
      text-align: center;
      user-select: none;
    }
    section.info-section h2 {
      font-weight: 700;
      font-size: clamp(1.15rem, 3vw, 1.35rem);
      color: #7b258c;
      margin-bottom: 10px;
    }
    section.info-section p {
      font-weight: 400;
      font-size: clamp(0.9rem, 2vw, 1rem);
      color: #555;
      max-width: 700px;
      margin: 0 auto 40px;
    }
    /* Info cards */
    .info-cards {
      display: flex;
      flex-wrap: wrap;
      gap: 24px;
      justify-content: center;
      margin-bottom: 50px;
    }
    .info-card {
      background: #fff4fb;
      border-radius: 14px;
      box-shadow: 0 6px 20px #f5e9f9;
      padding: 22px 24px;
      max-width: 320px;
      flex: 1 1 280px;
      display: flex;
      gap: 16px;
      align-items: flex-start;
      color: #691a68;
      user-select: none;
      transition: box-shadow 0.3s ease;
    }
    .info-card:hover,
    .info-card:focus-within {
      box-shadow: 0 14px 30px #d32f6420;
      outline: none;
    }
    .info-icon-wrapper {
      width: 64px;
      flex-shrink: 0;
      border-radius: 14px;
      background: white;
      box-shadow: 0 3px 8px rgb(211 47 99 / 0.2);
      display: flex;
      justify-content: center;
      align-items: center;
      padding: 8px;
      user-select: none;
    }
    .info-icon-wrapper img {
      width: 48px;
      height: 48px;
      object-fit: contain;
      user-select: none;
      pointer-events: none;
    }
    .info-text {
      flex: 1 1 auto;
      font-size: 0.9rem;
      text-align: left;
      user-select: text;
    }
    .info-text strong {
      display: block;
      font-weight: 700;
      color: #d32f64;
      margin-bottom: 6px;
      font-size: 1.05rem;
      letter-spacing: 0.03em;
    }

    /* Testimonial section */
    .testimonial-section {
      max-width: 680px;
      margin: 20px auto 60px;
      padding: 0 20px;
      text-align: center;
      color: #777;
      font-size: 0.9rem;
      user-select: none;
    }
    .testimonial-section .quote {
      font-style: italic;
      margin-bottom: 14px;
    }
    .testimonial-section .author {
      font-weight: 700;
      color: #7b258c;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 12px;
      user-select: text;
    }
    .testimonial-section .author img {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      object-fit: cover;
      box-shadow: 0 0 6px #d076efaa;
      user-select: none;
      pointer-events: none;
    }

    /* Special call section */
    .special-call {
      max-width: 900px;
      margin: 30px auto 60px;
      padding: 20px;
      background: #fff0f6;
      border-radius: 12px;
      border: 1px solid #f2c7dd;
      color: #8e3b74;
      font-weight: 600;
      font-size: clamp(1rem, 2vw, 1.1rem);
      text-align: center;
      line-height: 1.3;
      user-select: none;
    }

    /* Video embed */
    .video-wrapper {
      max-width: 720px;
      margin: 0 auto 40px;
      padding: 0 20px;
      box-shadow: 0 8px 24px rgb(0 0 0 / 0.12);
      border-radius: 14px;
      overflow: hidden;
      user-select: none;
    }
    iframe {
      width: 100%;
      height: 400px;
      border: none;
      border-radius: 14px;
      display: block;
      user-select: none;
    }

    /* Footer */
    footer {
      background: #f0e5fc;
      padding: 16px 20px;
      color: #7b258c;
      font-size: 0.75rem;
      text-align: center;
      border-top: 1px solid #d7bbe3;
      user-select: none;
      flex-shrink: 0;
      position: sticky;
      bottom: 0;
      z-index: 100;
    }

    /* Focus visible for accessibility */
    a:focus,
    button:focus,
    .phone-card:focus,
    .info-card:focus-within,
    .card:focus-within,
    .sidebar nav a:focus {
      outline: 2px solid #d32f64;
      outline-offset: 2px;
      outline-style: solid;
    }

    /* Responsive - Mobile First */

    /* Mobile: 320px - 639px */
    @media (max-width: 639px) {
      header button.menu-btn {
        display: block;
      }
      nav.breadcrumb {
        display: none;
      }
      main.hero-section {
        flex-direction: column;
        padding-bottom: 60px;
        min-height: calc(100vh - 64px - 60px);
      }
      .hero-text {
        max-width: 100%;
        padding-right: 0;
        text-align: center;
        margin-bottom: 36px;
      }
      .hero-buttons {
        justify-content: center;
      }
      .hero-image {
        margin-left: 0;
        max-width: 260px;
        margin-bottom: 30px;
        align-self: center;
        transform: rotate(-4deg);
      }
      section.stats {
        flex-wrap: wrap;
        padding: 0 10px;
      }
      .stats-left,
      .stats-right {
        font-size: 0.85rem;
        flex-basis: 100%;
        justify-content: center;
        margin-bottom: 8px;
        text-align: center;
      }
      .card-carousel {
        gap: 14px;
        padding-left: 12px;
      }
      .card {
        min-width: 200px;
        font-size: 0.8rem;
        border-radius: 16px;
      }
      section.info-section {
        padding: 0 10px;
      }
      .info-cards {
        flex-direction: column;
        gap: 18px;
      }
      .info-card {
        max-width: 100%;
        flex: 1 1 100%;
        padding: 16px 20px;
      }
      .video-wrapper iframe {
        height: 260px;
      }
      /* Footer sticky bottom on mobile */
      footer {
        position: sticky;
        bottom: 0;
        border-top: 1px solid #d7bbe3;
      }
    }

    /* Tablet: 640px - 1023px */
    @media (min-width: 640px) and (max-width: 1023px) {
      header button.menu-btn {
        display: block;
      }
      nav.breadcrumb {
        color: white;
        display: block;
        max-width: 65vw;
        margin-left: 12px;
      }
      main.hero-section {
        padding: 80px 30px 100px;
      }
      .hero-text {
        flex: 1 1 50%;
        max-width: 50%;
        padding-right: 30px;
        text-align: left;
        margin-bottom: 0;
      }
      .hero-buttons {
        justify-content: flex-start;
      }
      .hero-image {
        flex: 1 1 40%;
        margin-left: 20px;
        max-width: 320px;
        transform: rotate(-6deg);
        margin-bottom: 0;
        align-self: center;
      }
      section.stats {
        max-width: 1100px;
        margin: -50px auto 24px;
        padding: 0 20px;
        font-size: 0.95rem;
      }
      .card-carousel {
        padding-left: 20px;
        gap: 20px;
      }
      .card {
        min-width: 260px;
        font-size: 0.9rem;
      }
      section.info-section {
        max-width: 900px;
      }
      .info-cards {
        gap: 24px;
      }
      .info-card {
        max-width: 320px;
      }
      .video-wrapper iframe {
        height: 340px;
      }
      footer {
        position: sticky;
        bottom: 0;
      }
    }

    /* Desktop: 1024px+ */
    @media (min-width: 1024px) {
      header button.menu-btn {
        display: none;
      }
      nav.breadcrumb {
        color: white;
        display: block;
        margin-left: 24px;
        max-width: none;
      }
      main.hero-section {
        padding: 80px 40px 120px;
      }
      .hero-text {
        flex: 1 1 380px;
        max-width: 480px;
        padding-right: 40px;
        text-align: left;
      }
      .hero-buttons {
        justify-content: flex-start;
      }
      .hero-image {
        flex: 1 1 320px;
        margin-left: 40px;
        max-width: 320px;
        transform: rotate(-6deg);
        margin-bottom: 0;
      }
      section.stats {
        max-width: 1100px;
        margin: -50px auto 24px;
        padding: 0 20px;
      }
      .card-carousel {
        padding-left: 26px;
        gap: 26px;
      }
      .card {
        min-width: 280px;
        font-size: 0.9rem;
      }
      section.info-section {
        max-width: 900px;
      }
      .info-cards {
        gap: 36px;
      }
      .info-card {
        max-width: 320px;
      }
      .video-wrapper iframe {
        height: 400px;
      }
      footer {
        position: relative;
      }
    }

    /* Ultra wide */
    @media (min-width: 1440px) {
      .container {
        max-width: 1360px;
        padding: 0 32px;
      }
      main.hero-section {
        padding-left: 64px;
        padding-right: 64px;
      }
      .hero-text {
        padding-right: 56px;
      }
      .card-carousel {
        gap: 32px;
        padding-left: 32px;
      }
      .card {
        min-width: 320px;
      }
      .info-cards {
        gap: 48px;
      }
      .info-card {
        max-width: 320px;
      }
    }