:root {
      --primary: #0052FF;
      --primary-dark: #003ccb;
      --secondary: #00D1FF;
      --dark: #07090F;
      --dark-2: #0D1120;
      --surface: #111827;
      --light: #F4F7FA;
      --muted: #6B7280;
      --border: rgba(255,255,255,0.08);
      --excel-green: #1D6F42;
      --font-display: 'Inter', sans-serif;
      --font-body: 'DM Sans', sans-serif;
    }

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

    html { scroll-behavior: smooth; }

    body {
      font-family: var(--font-body);
      background: var(--dark);
      color: #E5E7EB;
      overflow-x: hidden;
    }

    /* ─── SCROLLBAR ─── */
    ::-webkit-scrollbar { width: 4px; }
    ::-webkit-scrollbar-track { background: var(--dark); }
    ::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 2px; }

    /* ─── NAVBAR ─── */
    .navbar {
      position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
      padding: 1rem 0;
      transition: all 0.4s ease;
      border-bottom: 1px solid transparent;
    }
    .navbar.scrolled {
      background: rgba(7, 9, 15, 0.92);
      backdrop-filter: blur(20px);
      border-bottom: 1px solid var(--border);
    }
    .navbar-brand {
      font-family: var(--font-display);
      font-weight: 800;
      font-size: 1.4rem;
      color: white !important;
      letter-spacing: -0.5px;
    }
    .navbar-brand span { color: var(--secondary); }
    .nav-link {
      color: rgba(255,255,255,0.65) !important;
      font-size: 0.9rem;
      font-weight: 500;
      letter-spacing: 0.3px;
      transition: color 0.2s;
      padding: 0.4rem 1rem !important;
    }
    .nav-link:hover { color: white !important; }
    .btn-nav {
      background: var(--primary);
      color: white !important;
      padding: 0.5rem 1.4rem;
      border-radius: 8px;
      font-weight: 600;
      font-size: 0.9rem;
      border: none;
      cursor: pointer;
      transition: all 0.25s;
    }
    .btn-nav:hover { background: var(--primary-dark); transform: translateY(-1px); }

    /* ─── HERO ─── */
    .hero {
      min-height: 100vh;
      display: flex;
      align-items: center;
      position: relative;
      overflow: hidden;
      padding: 120px 0 80px;
    }

    .hero-grid {
      position: absolute; inset: 0;
      background-image:
        linear-gradient(rgba(0,82,255,0.07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,82,255,0.07) 1px, transparent 1px);
      background-size: 60px 60px;
      mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
    }

    .hero-glow {
      position: absolute;
      width: 700px; height: 700px;
      background: radial-gradient(circle, rgba(0,82,255,0.18) 0%, transparent 65%);
      top: 50%; left: 50%;
      transform: translate(-50%, -50%);
      pointer-events: none;
    }

    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(0,82,255,0.12);
      border: 1px solid rgba(0,82,255,0.3);
      color: #7BA7FF;
      font-size: 0.78rem;
      font-weight: 600;
      letter-spacing: 1px;
      text-transform: uppercase;
      padding: 6px 14px;
      border-radius: 100px;
      margin-bottom: 1.5rem;
    }
    .hero-tag .dot {
      width: 6px; height: 6px;
      background: var(--secondary);
      border-radius: 50%;
      animation: pulse 2s infinite;
    }

    @keyframes pulse {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.5; transform: scale(0.7); }
    }

    .hero h1 {
      font-family: var(--font-display);
      font-size: clamp(2.8rem, 6vw, 5rem);
      font-weight: 800;
      line-height: 1.05;
      letter-spacing: -2px;
      color: white;
      margin-bottom: 1.5rem;
    }

    .hero h1 .accent {
      background: linear-gradient(135deg, #4D94FF, var(--secondary));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero p {
      font-size: 1.15rem;
      color: rgba(255,255,255,0.55);
      max-width: 520px;
      line-height: 1.7;
      margin-bottom: 2.5rem;
    }

    .hero-btns { display: flex; gap: 12px; flex-wrap: wrap; }

    .btn-primary-main {
      background: var(--primary);
      color: white;
      padding: 14px 28px;
      border-radius: 10px;
      font-weight: 600;
      font-size: 0.95rem;
      border: none;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: all 0.25s;
      text-decoration: none;
    }
    .btn-primary-main:hover {
      background: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 12px 30px rgba(0,82,255,0.35);
      color: white;
    }

    .btn-ghost {
      background: transparent;
      color: rgba(255,255,255,0.7);
      padding: 14px 28px;
      border-radius: 10px;
      font-weight: 500;
      font-size: 0.95rem;
      border: 1px solid rgba(255,255,255,0.15);
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: all 0.25s;
      text-decoration: none;
    }
    .btn-ghost:hover {
      border-color: rgba(255,255,255,0.35);
      color: white;
      background: rgba(255,255,255,0.05);
    }

    /* ─── STATS ─── */
    .stats-bar {
      background: var(--dark-2);
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
      padding: 2rem 0;
    }
    .stat-item { text-align: center; }
    .stat-num {
      font-family: var(--font-display);
      font-size: 2rem;
      font-weight: 800;
      color: white;
    }
    .stat-num span { color: var(--secondary); }
    .stat-label {
      font-size: 0.8rem;
      color: var(--muted);
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-top: 2px;
    }
    .stat-divider {
      width: 1px;
      background: var(--border);
      height: 40px;
      align-self: center;
    }

    /* ─── SECTION HEADERS ─── */
    .section-tag {
      font-size: 0.75rem;
      font-weight: 700;
      letter-spacing: 2px;
      text-transform: uppercase;
      color: var(--secondary);
      display: block;
      margin-bottom: 0.75rem;
    }
    .section-title {
      font-family: var(--font-display);
      font-size: clamp(1.8rem, 4vw, 2.8rem);
      font-weight: 800;
      color: white;
      letter-spacing: -1px;
      line-height: 1.1;
    }
    .section-sub {
      color: rgba(255,255,255,0.45);
      font-size: 1rem;
      line-height: 1.7;
      max-width: 480px;
    }

    /* ─── SERVICES ─── */
    .services-section { padding: 100px 0; background: var(--dark); }

    .service-card {
      background: rgba(255,255,255,0.03);
      border: 1px solid var(--border);
      border-radius: 20px;
      padding: 32px;
      height: 100%;
      position: relative;
      overflow: hidden;
      transition: all 0.35s cubic-bezier(0.4,0,0.2,1);
      cursor: default;
    }
    .service-card::before {
      content: '';
      position: absolute;
      inset: 0;
      background: radial-gradient(circle at 50% 0%, rgba(0,82,255,0.12), transparent 60%);
      opacity: 0;
      transition: opacity 0.35s;
    }
    .service-card:hover { border-color: rgba(0,82,255,0.4); transform: translateY(-6px); }
    .service-card:hover::before { opacity: 1; }

    .service-icon {
      width: 52px; height: 52px;
      background: rgba(0,82,255,0.12);
      border: 1px solid rgba(0,82,255,0.25);
      border-radius: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.3rem;
      color: #7BA7FF;
      margin-bottom: 1.25rem;
      transition: all 0.3s;
    }
    .service-card:hover .service-icon {
      background: rgba(0,82,255,0.2);
      border-color: rgba(0,82,255,0.5);
    }
    .service-card h4 {
      font-family: var(--font-display);
      font-weight: 700;
      font-size: 1.1rem;
      color: white;
      margin-bottom: 0.6rem;
    }
    .service-card p {
      font-size: 0.9rem;
      color: rgba(255,255,255,0.45);
      line-height: 1.6;
    }
    .service-card .learn-more {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 0.82rem;
      color: #7BA7FF;
      margin-top: 1rem;
      opacity: 0;
      transform: translateY(4px);
      transition: all 0.3s;
      text-decoration: none;
    }
    .service-card:hover .learn-more { opacity: 1; transform: translateY(0); }

    /* ─── EXCEL PROMO ─── */
    .excel-section { padding: 80px 0; }
    .excel-card {
      background: linear-gradient(135deg, #0a2e1a 0%, #0d3d23 50%, #0a2915 100%);
      border: 1px solid rgba(29,111,66,0.4);
      border-radius: 28px;
      padding: 64px 56px;
      position: relative;
      overflow: hidden;
    }
    .excel-card::before {
      content: '';
      position: absolute;
      top: -60px; right: -60px;
      width: 350px; height: 350px;
      background: radial-gradient(circle, rgba(29,111,66,0.25), transparent 70%);
    }
    .excel-card .fa-file-excel {
      position: absolute;
      right: -20px; bottom: -20px;
      font-size: 200px;
      opacity: 0.06;
      transform: rotate(-10deg);
      color: #21A366;
    }
    .excel-card h2 {
      font-family: var(--font-display);
      font-size: clamp(1.8rem, 3.5vw, 2.4rem);
      font-weight: 800;
      color: white;
      letter-spacing: -1px;
      margin-bottom: 1rem;
    }
    .excel-card p {
      color: rgba(255,255,255,0.6);
      font-size: 1rem;
      line-height: 1.7;
      margin-bottom: 1.5rem;
    }
    .excel-check {
      display: flex;
      align-items: center;
      gap: 10px;
      color: rgba(255,255,255,0.75);
      font-size: 0.9rem;
      margin-bottom: 0.5rem;
    }
    .excel-check i { color: #4ADE80; font-size: 0.85rem; }
    .btn-excel {
      background: white;
      color: var(--excel-green);
      padding: 13px 26px;
      border-radius: 10px;
      font-weight: 700;
      font-size: 0.9rem;
      border: none;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: all 0.25s;
      margin-top: 1.5rem;
    }
    .btn-excel:hover { transform: translateY(-2px); box-shadow: 0 10px 25px rgba(0,0,0,0.3); }

    /* ─── PRICING ─── */
    .pricing-section { padding: 100px 0; background: var(--dark-2); }

    .pricing-card {
      background: rgba(255,255,255,0.03);
      border: 1px solid var(--border);
      border-radius: 24px;
      padding: 40px 32px;
      height: 100%;
      transition: all 0.3s;
      position: relative;
    }
    .pricing-card.featured {
      background: var(--primary);
      border-color: rgba(0,82,255,0.5);
      transform: scale(1.03);
      box-shadow: 0 30px 60px rgba(0,82,255,0.3);
    }
    .pricing-card:not(.featured):hover { border-color: rgba(255,255,255,0.15); transform: translateY(-4px); }

    .plan-name {
      font-family: var(--font-display);
      font-size: 1.1rem;
      font-weight: 700;
      color: white;
      margin-bottom: 4px;
    }
    .plan-sub { font-size: 0.8rem; color: rgba(255,255,255,0.45); margin-bottom: 1.5rem; }
    .plan-price {
      font-family: var(--font-display);
      font-size: 2.4rem;
      font-weight: 800;
      color: white;
      letter-spacing: -1px;
    }
    .plan-price small { font-size: 0.9rem; font-weight: 400; opacity: 0.5; }
    .plan-divider { height: 1px; background: rgba(255,255,255,0.1); margin: 1.5rem 0; }
    .plan-feature {
      display: flex; align-items: flex-start;
      gap: 10px;
      font-size: 0.88rem;
      color: rgba(255,255,255,0.65);
      margin-bottom: 0.75rem;
      line-height: 1.4;
    }
    .plan-feature i { color: #4ADE80; margin-top: 2px; font-size: 0.75rem; flex-shrink: 0; }
    .pricing-card.featured .plan-feature { color: rgba(255,255,255,0.85); }

    .btn-plan {
      width: 100%;
      padding: 13px;
      border-radius: 10px;
      font-weight: 700;
      font-size: 0.9rem;
      cursor: pointer;
      transition: all 0.25s;
      border: none;
      margin-top: 1.5rem;
    }
    .btn-plan-outline {
      background: transparent;
      color: rgba(255,255,255,0.7);
      border: 1px solid rgba(255,255,255,0.15) !important;
    }
    .btn-plan-outline:hover { border-color: rgba(255,255,255,0.4) !important; color: white; background: rgba(255,255,255,0.05); }
    .btn-plan-white { background: white; color: var(--primary); }
    .btn-plan-white:hover { background: #e8f0ff; transform: translateY(-1px); }

    .badge-rec {
      display: inline-block;
      background: rgba(255,255,255,0.2);
      color: white;
      font-size: 0.7rem;
      font-weight: 700;
      letter-spacing: 1px;
      text-transform: uppercase;
      padding: 4px 12px;
      border-radius: 100px;
      margin-bottom: 1rem;
    }

    /* ─── PROCESS SECTION ─── */
    .process-section { padding: 100px 0; }
    .process-step {
      display: flex;
      gap: 20px;
      align-items: flex-start;
      margin-bottom: 2rem;
    }
    .step-num {
      font-family: var(--font-display);
      font-size: 0.8rem;
      font-weight: 800;
      color: var(--primary);
      background: rgba(0,82,255,0.1);
      border: 1px solid rgba(0,82,255,0.2);
      width: 36px; height: 36px;
      border-radius: 10px;
      display: flex; align-items: center; justify-content: center;
      flex-shrink: 0;
    }
    .step-content h5 {
      font-family: var(--font-display);
      font-weight: 700;
      color: white;
      font-size: 1rem;
      margin-bottom: 4px;
    }
    .step-content p { font-size: 0.87rem; color: rgba(255,255,255,0.45); line-height: 1.6; }

    /* ─── MODAL ─── */
    .modal-content {
      background: var(--dark-2);
      border: 1px solid rgba(255,255,255,0.1);
      border-radius: 24px;
      overflow: hidden;
    }
    .modal-sidebar {
      background: linear-gradient(160deg, var(--primary) 0%, var(--primary-dark) 100%);
      padding: 48px 36px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .modal-sidebar h3 {
      font-family: var(--font-display);
      font-weight: 800;
      font-size: 1.5rem;
      color: white;
      letter-spacing: -0.5px;
      line-height: 1.2;
      margin-bottom: 1rem;
    }
    .modal-sidebar p { color: rgba(255,255,255,0.65); font-size: 0.9rem; line-height: 1.6; margin-bottom: 2rem; }
    .trust-item {
      display: flex; align-items: flex-start; gap: 12px; margin-bottom: 1.25rem;
    }
    .trust-icon {
      width: 36px; height: 36px;
      background: rgba(255,255,255,0.15);
      border-radius: 10px;
      display: flex; align-items: center; justify-content: center;
      color: white; font-size: 0.85rem;
      flex-shrink: 0;
    }
    .trust-item p { margin: 0; font-size: 0.82rem; color: rgba(255,255,255,0.75); font-weight: 500; }
    .trust-item small { color: rgba(255,255,255,0.45); font-size: 0.75rem; }

    .modal-form { padding: 48px 40px; background: var(--dark-2); }
    .modal-form h4 {
      font-family: var(--font-display);
      font-weight: 700;
      color: white;
      font-size: 1.3rem;
      margin-bottom: 4px;
    }
    .modal-form .sub { color: rgba(255,255,255,0.4); font-size: 0.87rem; margin-bottom: 1.75rem; }

    .form-field { margin-bottom: 1rem; }
    .form-field label { font-size: 0.78rem; font-weight: 600; color: rgba(255,255,255,0.45); letter-spacing: 0.5px; text-transform: uppercase; display: block; margin-bottom: 6px; }
    .field-wrap {
      display: flex;
      align-items: center;
      background: rgba(255,255,255,0.04);
      border: 1px solid rgba(255,255,255,0.1);
      border-radius: 10px;
      overflow: hidden;
      transition: border-color 0.2s, box-shadow 0.2s;
    }
    .field-wrap:focus-within {
      border-color: rgba(0,82,255,0.5);
      box-shadow: 0 0 0 3px rgba(0,82,255,0.1);
    }
    .field-wrap i { color: rgba(255,255,255,0.25); padding: 0 14px; font-size: 0.85rem; }
    .field-wrap input, .field-wrap select, .field-wrap textarea {
      flex: 1;
      background: transparent;
      border: none;
      outline: none;
      color: white;
      font-family: var(--font-body);
      font-size: 0.92rem;
      padding: 12px 14px 12px 0;
    }
    .field-wrap select option { background: var(--dark-2); color: white; }
    .field-wrap input::placeholder, .field-wrap textarea::placeholder { color: rgba(255,255,255,0.25); }
    .field-wrap textarea { padding: 12px 14px; resize: vertical; min-height: 80px; width: 100%; }

    .btn-submit {
      width: 100%;
      background: var(--primary);
      color: white;
      padding: 14px;
      border-radius: 10px;
      font-weight: 700;
      font-size: 0.95rem;
      border: none;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      transition: all 0.25s;
      margin-top: 0.5rem;
    }
    .btn-submit:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 10px 25px rgba(0,82,255,0.35); }

    .secure-note {
      text-align: center;
      margin-top: 0.75rem;
      font-size: 0.73rem;
      color: rgba(255,255,255,0.25);
    }

    /* ─── CHAT ─── */
    #ai-chat-container { position: fixed; bottom: 28px; right: 28px; z-index: 9999; }

    #chat-trigger {
      width: 58px; height: 58px;
      background: var(--primary);
      border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
      color: white; font-size: 1.4rem;
      cursor: pointer;
      box-shadow: 0 8px 24px rgba(0,82,255,0.45);
      transition: transform 0.25s;
      position: relative;
    }
    #chat-trigger:hover { transform: scale(1.08); }
    #chat-trigger .unread {
      position: absolute;
      top: -2px; right: -2px;
      width: 14px; height: 14px;
      background: #22C55E;
      border-radius: 50%;
      border: 2px solid var(--dark);
      animation: pulse 2s infinite;
    }

    #chat-window {
      width: 360px;
      height: 500px;
      background: var(--dark-2);
      border: 1px solid rgba(255,255,255,0.1);
      border-radius: 20px;
      position: absolute;
      bottom: 70px; right: 0;
      display: none;
      flex-direction: column;
      overflow: hidden;
      box-shadow: 0 25px 60px rgba(0,0,0,0.5);
    }

    .chat-header {
      padding: 14px 16px;
      background: var(--primary);
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .chat-header-info { display: flex; align-items: center; gap: 10px; }
    .chat-avatar {
      width: 34px; height: 34px;
      background: rgba(255,255,255,0.2);
      border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
      font-size: 0.9rem;
    }
    .chat-header strong { color: white; font-size: 0.9rem; display: block; }
    .chat-header small { color: rgba(255,255,255,0.6); font-size: 0.72rem; }
    .chat-status { width: 7px; height: 7px; background: #4ADE80; border-radius: 50%; }
    #close-chat { cursor: pointer; color: rgba(255,255,255,0.6); font-size: 0.85rem; transition: color 0.2s; }
    #close-chat:hover { color: white; }

    #chat-msgs {
      flex: 1;
      padding: 16px;
      overflow-y: auto;
      display: flex;
      flex-direction: column;
      gap: 10px;
      background: var(--dark);
    }
    #chat-msgs::-webkit-scrollbar { width: 3px; }
    #chat-msgs::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); }

    .msg {
      max-width: 78%;
      padding: 10px 14px;
      border-radius: 14px;
      font-size: 0.84rem;
      line-height: 1.5;
      animation: msgIn 0.25s ease;
    }
    @keyframes msgIn {
      from { opacity: 0; transform: translateY(6px); }
      to { opacity: 1; transform: translateY(0); }
    }
    .msg.ai {
      background: rgba(255,255,255,0.06);
      border: 1px solid rgba(255,255,255,0.08);
      color: rgba(255,255,255,0.85);
      align-self: flex-start;
      border-radius: 4px 14px 14px 14px;
    }
    .msg.user {
      background: var(--primary);
      color: white;
      align-self: flex-end;
      border-radius: 14px 4px 14px 14px;
    }
    .msg.typing { display: flex; align-items: center; gap: 5px; padding: 12px 16px; }
    .typing-dot {
      width: 6px; height: 6px;
      background: rgba(255,255,255,0.4);
      border-radius: 50%;
      animation: typingAnim 1.2s infinite;
    }
    .typing-dot:nth-child(2) { animation-delay: 0.2s; }
    .typing-dot:nth-child(3) { animation-delay: 0.4s; }
    @keyframes typingAnim {
      0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
      30% { transform: translateY(-5px); opacity: 1; }
    }

    .chat-input-area {
      display: flex;
      gap: 8px;
      padding: 12px;
      background: var(--dark-2);
      border-top: 1px solid rgba(255,255,255,0.06);
      align-items: center;
    }
    #chat-in {
      flex: 1;
      background: rgba(255,255,255,0.05);
      border: 1px solid rgba(255,255,255,0.1);
      border-radius: 8px;
      color: white;
      font-family: var(--font-body);
      font-size: 0.88rem;
      padding: 9px 12px;
      outline: none;
      transition: border-color 0.2s;
    }
    #chat-in::placeholder { color: rgba(255,255,255,0.25); }
    #chat-in:focus { border-color: rgba(0,82,255,0.5); }
    #send-chat {
      width: 36px; height: 36px;
      background: var(--primary);
      border: none;
      border-radius: 8px;
      color: white;
      cursor: pointer;
      display: flex; align-items: center; justify-content: center;
      transition: background 0.2s;
      flex-shrink: 0;
    }
    #send-chat:hover { background: var(--primary-dark); }

    /* ─── API KEY NOTICE ─── */
    .api-notice {
      background: rgba(251, 191, 36, 0.1);
      border: 1px solid rgba(251, 191, 36, 0.25);
      border-radius: 8px;
      padding: 8px 12px;
      font-size: 0.75rem;
      color: rgba(251, 191, 36, 0.8);
      margin: 8px 12px 0;
      text-align: center;
    }

    /* ─── FOOTER ─── */
    footer {
      background: var(--dark);
      border-top: 1px solid var(--border);
      padding: 40px 0;
    }
    .footer-brand {
      font-family: var(--font-display);
      font-weight: 800;
      font-size: 1.3rem;
      color: white;
    }
    .footer-brand span { color: var(--secondary); }
    footer p { font-size: 0.83rem; color: rgba(255,255,255,0.3); }

    /* ─── TOAST ─── */
    .toast-custom {
      position: fixed;
      bottom: 24px;
      left: 50%;
      transform: translateX(-50%) translateY(20px);
      background: #1a1a2e;
      border: 1px solid rgba(74, 222, 128, 0.3);
      color: white;
      padding: 14px 24px;
      border-radius: 12px;
      font-size: 0.9rem;
      display: flex;
      align-items: center;
      gap: 10px;
      opacity: 0;
      transition: all 0.4s;
      z-index: 9999;
      box-shadow: 0 10px 30px rgba(0,0,0,0.4);
      white-space: nowrap;
    }
    .toast-custom.show { opacity: 1; transform: translateX(-50%) translateY(0); }
    .toast-custom i { color: #4ADE80; }

    /* ─── UTILITIES ─── */
    @media (max-width: 768px) {
      .hero h1 { font-size: 2.4rem; }
      .pricing-card.featured { transform: scale(1); }
      .modal-form { padding: 32px 24px; }
      #chat-window { width: 320px; }
      .excel-card { padding: 40px 28px; }
    }

    /* Fade in on scroll */
    .fade-up {
      opacity: 0;
      transform: translateY(30px);
      transition: opacity 0.6s ease, transform 0.6s ease;
    }
    .fade-up.visible { opacity: 1; transform: translateY(0); }
    .fade-up.delay-1 { transition-delay: 0.1s; }
    .fade-up.delay-2 { transition-delay: 0.2s; }
    .fade-up.delay-3 { transition-delay: 0.3s; }

    .btn-whatsapp {
    background: #25D366;
    color: white;
    padding: 12px 20px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: 0.3s;
}

.btn-whatsapp:hover {
    background: #1ebe5d;
    transform: translateY(-2px);
}

.chat-powered {
  text-align: center;
  font-size: 11px;
  color: #999;
  padding: 5px 0 8px;
}

.chat-powered strong {
  color: #00bcd4; /* puedes usar tu color de marca */
}