/* ==========================================================================
       Auto DM Instagram Dedicated Page Styles (UI/UX Pro Max Edition)
       ========================================================================== */

    :root {
      --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      --ig-gradient: linear-gradient(135deg, #FF543E 0%, #C837AB 50%, #5B51D8 100%);
      --ig-gradient-subtle: linear-gradient(135deg, rgba(255, 84, 62, 0.08) 0%, rgba(200, 55, 171, 0.08) 50%, rgba(91, 81, 216, 0.08) 100%);
      --ig-accent: #C837AB;
      --color-meta: #0458C4;
      --card-hover-shadow: 0 20px 40px -12px rgba(15, 23, 42, 0.12), 0 0 25px rgba(37, 99, 235, 0.06);
      --navbar-height: 80px;
      --color-accent: #1D4ED8;
      --color-accent-hover: #1E40AF;
      --color-bg: #F8FAFC;
      --color-text: #0B1220;
      --color-text-secondary: #475569;
      --color-border: rgba(15, 23, 42, 0.08);
      --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
      --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }

    /* ==========================================================================
       CORE BASE RESET & UTILITIES (Self-Contained - Zero style.css Overhead)
       ========================================================================== */
    *, *::before, *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: auto !important;
      max-width: 100%;
      overflow-x: hidden;
    }

    /* Lenis Smooth Scroll Engine Styles */
    html.lenis,
    html.lenis body,
    html.lenis-smooth {
      height: auto;
      scroll-behavior: auto !important;
    }

    .lenis.lenis-smooth {
      scroll-behavior: auto !important;
    }

    .lenis.lenis-smooth [data-lenis-prevent] {
      overscroll-behavior: contain;
    }

    .lenis.lenis-stopped {
      overflow: hidden;
    }

    body {
      font-family: var(--font-body);
      color: var(--color-text);
      background-color: var(--color-bg);
      max-width: 100%;
      overflow-x: hidden;
      line-height: 1.5;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      overflow-anchor: none;
    }

    /* Layout Utilities */
    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* Scroll Reveal System */
    .reveal {
      opacity: 0;
      transform: translateY(22px);
      transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
      will-change: opacity, transform;
    }

    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }

    .reveal.delay-1 { transition-delay: 0.1s; }
    .reveal.delay-2 { transition-delay: 0.2s; }
    .reveal.delay-3 { transition-delay: 0.3s; }

    /* Announcement Pill & Pulse Dot (100% GPU Hardware Composited) */
    .announcement-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 14px;
      background-color: rgba(29, 78, 216, 0.08);
      border: 1px solid rgba(29, 78, 216, 0.18);
      border-radius: 100px;
      color: #1D4ED8;
      font-size: 0.8rem;
      font-weight: 700;
      letter-spacing: 0.04em;
      margin-bottom: 20px;
      text-transform: uppercase;
    }

    .badge-dot {
      width: 7px;
      height: 7px;
      background-color: #1D4ED8;
      border-radius: 50%;
      position: relative;
      display: inline-block;
      flex-shrink: 0;
    }

    .badge-dot::after {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background: inherit;
      animation: pulseDot 2s infinite cubic-bezier(0.25, 0.46, 0.45, 0.94);
      z-index: -1;
    }

    @keyframes pulseDot {
      0% { transform: scale(1); opacity: 0.8; }
      70% { transform: scale(2.4); opacity: 0; }
      100% { transform: scale(2.4); opacity: 0; }
    }

    /* ==========================================================================
       BUTTON SYSTEM (Self-Contained & Optimized)
       ========================================================================== */
    .btn {
      position: relative;
      overflow: hidden;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 24px;
      border-radius: 10px;
      font-family: var(--font-body);
      font-size: 0.95rem;
      font-weight: 600;
      cursor: pointer;
      white-space: nowrap;
      min-height: 44px;
      text-decoration: none;
      transition: transform 0.25s ease, background-color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
      isolation: isolate;
      border: none;
    }

    .btn::after {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 60%;
      height: 100%;
      background: linear-gradient(90deg,
          rgba(255, 255, 255, 0) 0%,
          rgba(255, 255, 255, 0.4) 50%,
          rgba(255, 255, 255, 0) 100%);
      transform: translateX(-150%) skewX(-25deg);
      pointer-events: none;
      z-index: 2;
    }

    .btn:hover::after {
      animation: btn-glass-sheen-hover 0.75s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
    }

    @keyframes btn-glass-sheen-hover {
      0% { transform: translateX(-150%) skewX(-25deg); opacity: 0.9; }
      100% { transform: translateX(250%) skewX(-25deg); opacity: 0; }
    }

    .btn-primary {
      background: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
      color: #FFFFFF !important;
      border: 1px solid rgba(255, 255, 255, 0.16);
      box-shadow: 0 4px 14px -1px rgba(15, 23, 42, 0.25), inset 0 1px 1px 0 rgba(255, 255, 255, 0.3);
    }

    .btn-primary:hover {
      background: linear-gradient(135deg, #2563EB 0%, #1D4ED8 100%);
      border-color: rgba(255, 255, 255, 0.35);
      transform: translateY(-2px);
      box-shadow: 0 8px 24px -2px rgba(37, 99, 235, 0.45);
    }

    .btn-primary:active {
      transform: translateY(0);
      box-shadow: 0 2px 8px -1px rgba(37, 99, 235, 0.3);
    }

    .btn-secondary {
      background: rgba(255, 255, 255, 0.92);
      color: var(--color-text) !important;
      border: 1px solid rgba(203, 213, 225, 0.85);
      box-shadow: 0 2px 8px -1px rgba(15, 23, 42, 0.05);
    }

    .btn-secondary:hover {
      background: #FFFFFF;
      border-color: rgba(37, 99, 235, 0.5);
      color: var(--color-accent) !important;
      transform: translateY(-2px);
      box-shadow: 0 8px 20px -2px rgba(15, 23, 42, 0.08);
    }

    .btn-secondary:active {
      transform: translateY(0);
      background: rgba(241, 245, 249, 0.95);
    }

    .btn-text {
      color: var(--color-text);
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 4px;
      background: transparent;
      border: none;
      cursor: pointer;
      font-size: 0.95rem;
      transition: color var(--transition-fast), transform var(--transition-fast);
    }

    .btn-text:hover {
      color: var(--color-accent);
      transform: translateX(2px);
    }

    /* ==========================================================================
       DEMO MODAL & FORM CONTROLS (Self-Contained)
       ========================================================================== */
    .modal-overlay {
      position: fixed !important;
      top: 0 !important;
      left: 0 !important;
      width: 100vw !important;
      height: 100vh !important;
      background-color: rgba(15, 23, 42, 0.65);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      z-index: 99999 !important;
      display: none;
      align-items: center;
      justify-content: center;
      opacity: 0;
      transition: opacity 0.3s ease;
      padding: 16px;
    }

    .modal-overlay.active {
      opacity: 1;
    }

    .modal-card {
      background-color: #ffffff;
      border: 1px solid var(--color-border);
      border-radius: 24px;
      width: calc(100% - 32px);
      max-width: 480px;
      max-height: 90vh;
      overflow-y: auto;
      scrollbar-width: none;
      -ms-overflow-style: none;
      padding: 36px;
      margin: 16px auto;
      box-shadow: 0 30px 60px -15px rgba(15, 23, 42, 0.2);
      position: relative;
      transform: translateY(20px) scale(0.95);
      transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
      display: flex;
      flex-direction: column;
    }

    .modal-card::-webkit-scrollbar {
      display: none;
    }

    .modal-overlay.active .modal-card {
      transform: translateY(0) scale(1);
    }

    .modal-close {
      position: absolute;
      top: 20px;
      right: 20px;
      background: rgba(15, 23, 42, 0.04);
      border: 1px solid rgba(15, 23, 42, 0.08);
      font-size: 1.2rem;
      color: var(--color-text-secondary);
      cursor: pointer;
      width: 36px;
      height: 36px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
      z-index: 10;
    }

    .modal-close:hover {
      background-color: rgba(15, 23, 42, 0.08);
      color: var(--color-text);
      transform: scale(1.05);
    }

    .modal-title {
      font-family: var(--font-heading);
      font-size: 1.8rem;
      font-weight: 800;
      letter-spacing: -0.03em;
      color: var(--color-text);
      margin-bottom: 8px;
      line-height: 1.2;
      padding-right: 40px;
    }

    .modal-subtitle {
      font-size: 0.9rem;
      color: var(--color-text-secondary);
      margin-bottom: 24px;
      line-height: 1.5;
    }

    .modal-form {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
      text-align: left;
    }

    .form-group label {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--color-text);
    }

    .form-group input,
    .form-group select {
      padding: 11px 14px;
      border: 1px solid var(--color-border);
      border-radius: 10px;
      background-color: #ffffff;
      color: var(--color-text);
      font-size: 0.9rem;
      outline: none;
      transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
      width: 100%;
    }

    .form-group input:focus,
    .form-group select:focus {
      border-color: var(--color-accent);
      box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
    }

    .form-group select {
      appearance: none;
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
      background-repeat: no-repeat;
      background-position: right 16px center;
      padding-right: 40px;
    }

    .form-submit-btn {
      width: 100%;
      justify-content: center;
      padding: 14px 24px;
      margin-top: 8px;
      border-radius: 10px;
      font-size: 1rem;
      font-weight: 700;
    }

    .form-status-msg {
      font-size: 0.88rem;
      line-height: 1.4;
      text-align: center;
      display: none;
      padding: 10px;
      border-radius: 8px;
    }

    .form-status-msg.active {
      display: block;
    }

    .form-status-msg.error {
      background-color: #FEF2F2;
      color: #DC2626;
      border: 1px solid #FCA5A5;
    }

    .form-status-msg.success {
      background-color: #ECFDF5;
      color: #059669;
      border: 1px solid #A7F3D0;
    }

    /* ==========================================================================
       SECTION SPACING RHYTHM & LUXURIOUS BREATHING ROOM (/ui-ux-pro-max)
       Generous vertical breathing room between sections for state-of-the-art SaaS feel
       ========================================================================== */
    .section-standard {
      padding: 140px 0 !important;
      position: relative;
    }

    /* Rendering Performance & Scroll Stability */
    .section-perf-contain {
      content-visibility: visible !important;
      contain: layout style;
    }

    .section-header {
      margin-bottom: 64px !important;
      text-align: center;
    }

    .section-title {
      margin-bottom: 20px !important;
      font-size: clamp(2.2rem, 4.2vw, 3rem) !important;
      font-weight: 800;
      letter-spacing: -0.03em;
      line-height: 1.18;
      color: var(--color-text);
    }

    .section-subtitle {
      max-width: 760px !important;
      margin-left: auto !important;
      margin-right: auto !important;
      line-height: 1.75 !important;
      font-size: 1.14rem !important;
      color: var(--color-text-secondary);
    }