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

    :root {
      --primary:    #4C7DA7;
      --primary-lt: #8EBAD9;
      --accent:     #3FB1A3;
      --gradient:   #56A5B5;
      --bg:         #f8f9fa;
      --white:      #ffffff;
      --border:     #e0e0e0;
      --text:       #333333;
      --muted:      #999999;
    }

    html { scroll-behavior: smooth; }

    body {
      font-family: 'Inter', sans-serif;
      background: var(--bg);
      color: var(--text);
    }

    /* ── ANIMATIONS ── */
    @keyframes fadeIn {
      from { opacity: 0; }
      to { opacity: 1; }
    }
    @keyframes slideUp {
      from {
        opacity: 0;
        transform: translateY(30px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }
    @keyframes slideInLeft {
      from {
        opacity: 0;
        transform: translateX(-40px);
      }
      to {
        opacity: 1;
        transform: translateX(0);
      }
    }
    @keyframes slideInRight {
      from {
        opacity: 0;
        transform: translateX(40px);
      }
      to {
        opacity: 1;
        transform: translateX(0);
      }
    }
    @keyframes pulse {
      0%, 100% { opacity: 1; }
      50% { opacity: .7; }
    }
    @keyframes float {
      0%, 100% { transform: translateY(0px); }
      50% { transform: translateY(-8px); }
    }

    /* ── NAV ── */
    nav {
      background: var(--white);
      border-bottom: 1px solid var(--border);
      padding: 0 6%;
      min-height: 62px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      position: sticky;
      top: 0;
      z-index: 50;
      box-shadow: 0 2px 8px rgba(0,0,0,.08);
      transition: box-shadow .3s ease;
    }
    nav:hover {
      box-shadow: 0 4px 12px rgba(0,0,0,.12);
    }
    .logo {
      height: 40px;
      width: auto;
      animation: slideInLeft .6s ease-out;
      transition: transform .3s ease;
    }
    .logo:hover {
      transform: scale(1.05);
    }
    .nav-toggle {
      display: none;
      appearance: none;
      background: transparent;
      border: none;
      cursor: pointer;
      padding: 10px;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      gap: 4px;
      min-width: 42px;
      min-height: 42px;
    }
    .nav-toggle span {
      display: block;
      width: 26px;
      height: 3px;
      background: var(--text);
      border-radius: 999px;
      transition: transform .3s cubic-bezier(.68, -.55, .265, 1.55), opacity .3s ease;
    }
    .nav-toggle:hover span {
      background: var(--primary);
    }
    .nav-links {
      display: flex;
      gap: 28px;
      list-style: none;
      flex-wrap: wrap;
      justify-content: center;
    }
    .nav-links a {
      font-size: .9rem;
      font-weight: 500;
      color: var(--muted);
      text-decoration: none;
      transition: color .25s ease, transform .25s ease;
      position: relative;
    }
    .nav-links a:hover {
      color: var(--primary);
      transform: translateY(-2px);
    }
    .nav-links a::after {
      content: '';
      position: absolute;
      bottom: -4px;
      left: 0;
      width: 0;
      height: 2px;
      background: linear-gradient(90deg, var(--primary), var(--accent));
      transition: width .3s ease;
    }
    .nav-links a:hover::after {
      width: 100%;
    }
    .nav-btn {
      background: var(--primary);
      color: #fff !important;
      padding: 8px 20px;
      border-radius: 8px;
      font-weight: 600 !important;
      transition: all .3s ease;
      box-shadow: 0 4px 12px rgba(76, 125, 167, .3);
      position: relative;
    }
    .nav-btn:hover {
      opacity: .95;
      color: #fff !important;
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(76, 125, 167, .4);
    }

    @media (max-width: 720px) {
      nav {
        padding: 10px 4%;
      }
      .nav-toggle {
        display: inline-flex;
      }
      .nav-links {
        display: none;
        width: 100%;
        flex-direction: column;
        gap: 12px;
        margin-top: 12px;
      }
      .nav-links.open {
        display: flex;
        flex-direction: column;
        align-items: center;
      }
      .nav-links li {
        text-align: center;
        width: 100%;
      }
      .nav-links a,
      .nav-btn {
        display: block;
        width: 100%;
        font-size: .95rem;
      }
      .nav-btn {
        padding: 10px 16px;
      }
    }

    /* ── HERO ── */
    #hero {
      background: var(--white);
      padding: 72px 6% 80px;
      text-align: center;
      border-bottom: 1px solid var(--border);
      animation: fadeIn .8s ease-out;
    }
    .hero-chip {
      display: inline-block;
      background: #e8f4f8;
      color: var(--accent);
      font-size: .78rem;
      font-weight: 600;
      padding: 5px 14px;
      border-radius: 50px;
      margin-bottom: 22px;
      letter-spacing: .04em;
      animation: slideUp .6s ease-out;
    }
    #hero h1 {
      font-size: clamp(2rem, 5vw, 3.4rem);
      font-weight: 800;
      line-height: 1.15;
      color: var(--text);
      letter-spacing: -.02em;
      margin-bottom: 18px;
      animation: slideUp .7s ease-out .1s both;
    }
    #hero h1 em {
      font-style: normal;
      color: var(--primary);
    }
    #hero p {
      max-width: 500px;
      margin: 0 auto 36px;
      font-size: 1.05rem;
      color: var(--muted);
      line-height: 1.7;
      animation: slideUp .7s ease-out .2s both;
    }
    .hero-actions {
      display: flex;
      justify-content: center;
      gap: 12px;
      flex-wrap: wrap;
      animation: slideUp .8s ease-out .3s both;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 12px 26px;
      border-radius: 8px;
      font-size: .95rem;
      font-weight: 600;
      text-decoration: none;
      transition: all .3s cubic-bezier(.34, 1.56, .64, 1);
      cursor: pointer;
      box-shadow: 0 4px 15px rgba(0, 0, 0, .1);
    }
    .btn:hover {
      transform: translateY(-4px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, .15);
    }
    .btn-solid {
      background: linear-gradient(135deg, var(--primary), var(--accent));
      color: #fff;
    }
    .btn-solid:hover {
      filter: brightness(1.1);
    }
    .btn-outline {
      background: transparent;
      border: 1.5px solid var(--border);
      color: var(--text);
      transition: all .3s ease;
    }
    .btn-outline:hover {
      border-color: var(--primary);
      background: rgba(76, 125, 167, .05);
    }

    /* phone mockup simple */
    .mockup-wrap {
      margin-top: 56px;
      display: flex;
      justify-content: center;
      gap: 20px;
      flex-wrap: wrap;
      animation: slideUp .9s ease-out .4s both;
    }
    .screen-card {
      background: #1a1a1a;
      border-radius: 20px;
      padding: 20px;
      width: 200px;
      border: 1.5px solid #333;
      box-shadow: 0 12px 40px rgba(0,0,0,.15);
      transition: all .4s cubic-bezier(.34, 1.56, .64, 1);
      animation: slideUp 1s ease-out both;
    }
    .screen-card:nth-child(1) { animation-delay: .2s; }
    .screen-card:nth-child(2) { animation-delay: .3s; }
    .screen-card:nth-child(3) { animation-delay: .4s; }
    .screen-card:hover {
      transform: translateY(-12px);
      box-shadow: 0 20px 60px rgba(0,0,0,.25);
      border-color: var(--primary);
    }
    .sc-label {
      font-size: .62rem;
      font-weight: 600;
      letter-spacing: .06em;
      color: var(--muted);
      text-transform: uppercase;
      margin-bottom: 10px;
    }
    .sc-value {
      font-size: .85rem;
      font-weight: 700;
      color: var(--accent);
      margin-bottom: 6px;
    }
    .sc-sub {
      font-size: .72rem;
      color: #666;
    }
    .sc-bar { height: 5px; background: #333; border-radius: 3px; margin-top: 10px; overflow: hidden; }
    .sc-bar-fill { height: 100%; background: linear-gradient(90deg, var(--primary), var(--accent)); border-radius: 3px; animation: slideUp .8s ease-out .2s both; }
    .sc-chat { display: flex; flex-direction: column; gap: 7px; }
    .sc-msg {
      font-size: .65rem;
      padding: 7px 10px;
      border-radius: 10px;
      line-height: 1.5;
    }
    .sc-msg.u { background: var(--primary); color: #fff; align-self: flex-end; }
    .sc-msg.a { background: #2a2a2a; color: #ccc; align-self: flex-start; border: 1px solid #333; }

    /* ── STATS ── */
    .stats-strip {
      display: flex;
      justify-content: center;
      gap: 0;
      flex-wrap: wrap;
      background: var(--white);
      border-bottom: 1px solid var(--border);
      background: linear-gradient(135deg, var(--white), rgba(76, 125, 167, .02));
    }
    .stat {
      flex: 1;
      min-width: 140px;
      text-align: center;
      padding: 28px 20px;
      border-right: 1px solid var(--border);
      transition: all .3s ease;
      animation: slideUp 1s ease-out both;
    }
    .stat:nth-child(1) { animation-delay: .1s; }
    .stat:nth-child(2) { animation-delay: .2s; }
    .stat:nth-child(3) { animation-delay: .3s; }
    .stat:nth-child(4) { animation-delay: .4s; }
    .stat:hover {
      background: rgba(76, 125, 167, .08);
      transform: translateY(-4px);
    }
    .stat:last-child { border-right: none; }
    .stat-n {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--primary);
    }
    .stat-l { font-size: .82rem; color: var(--muted); margin-top: 3px; }

    /* ── FEATURES ── */
    #features {
      padding: 80px 6%;
      animation: fadeIn .8s ease-out;
    }
    #features header {
      text-align: center;
      margin-bottom: 48px;
      animation: slideUp .8s ease-out;
    }
    #features header h2 {
      font-size: clamp(1.6rem, 3.5vw, 2.4rem);
      font-weight: 800;
      letter-spacing: -.02em;
      margin-bottom: 10px;
    }
    #features header p { color: var(--muted); font-size: .95rem; }

    .feat-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
      gap: 16px;
      max-width: 960px;
      margin: 0 auto;
    }
    .feat {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: 14px;
      padding: 28px 24px;
      transition: all .4s cubic-bezier(.34, 1.56, .64, 1);
      animation: slideUp 1s ease-out both;
      box-shadow: 0 2px 8px rgba(0, 0, 0, .04);
    }
    .feat:nth-child(1) { animation-delay: .1s; }
    .feat:nth-child(2) { animation-delay: .2s; }
    .feat:nth-child(3) { animation-delay: .3s; }
    .feat:nth-child(4) { animation-delay: .4s; }
    .feat:nth-child(5) { animation-delay: .5s; }
    .feat:nth-child(6) { animation-delay: .6s; }
    .feat:hover {
      border-color: var(--primary);
      box-shadow: 0 12px 32px rgba(76, 125, 167, .15);
      transform: translateY(-8px);
    }
    .feat-ico {
      width: 44px; height: 44px;
      border-radius: 10px;
      background: linear-gradient(135deg, rgba(76, 125, 167, .1), rgba(63, 177, 163, .1));
      display: flex; align-items: center; justify-content: center;
      font-size: 1.3rem;
      margin-bottom: 16px;
      transition: transform .3s ease;
    }
    .feat:hover .feat-ico {
      transform: scale(1.1) rotate(5deg);
    }
    .feat h3 {
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text);
      transition: color .3s ease;
    }
    .feat:hover h3 {
      color: var(--primary);
    }
    .feat p {
      font-size: .875rem;
      color: var(--muted);
      line-height: 1.65;
    }

    /* ── ALFRED ── */
    #alfred {
      background: var(--white);
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
      padding: 80px 6%;
      animation: fadeIn .8s ease-out;
    }
    .alfred-inner {
      max-width: 860px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .alfred-info {
      animation: slideInLeft .8s ease-out;
    }
    .alfred-info h2 {
      font-size: clamp(1.5rem, 3vw, 2rem);
      font-weight: 800;
      letter-spacing: -.02em;
      margin-bottom: 12px;
    }
    .alfred-info h2 span { color: var(--accent); }
    .alfred-info p {
      font-size: .92rem;
      color: var(--muted);
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .alfred-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
    .alfred-list li {
      font-size: .88rem;
      color: var(--text);
      display: flex;
      align-items: flex-start;
      gap: 8px;
      animation: slideUp 1s ease-out both;
      transition: transform .3s ease;
    }
    .alfred-list li:nth-child(1) { animation-delay: .1s; }
    .alfred-list li:nth-child(2) { animation-delay: .2s; }
    .alfred-list li:nth-child(3) { animation-delay: .3s; }
    .alfred-list li:nth-child(4) { animation-delay: .4s; }
    .alfred-list li:hover {
      transform: translateX(8px);
    }
    .alfred-list li::before {
      content: '✓';
      color: var(--accent);
      font-weight: 700;
      flex-shrink: 0;
    }
    .alfred-demo {
      background: linear-gradient(135deg, #f0f7fb, rgba(76, 125, 167, .03));
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 24px;
      display: flex;
      flex-direction: column;
      gap: 12px;
      animation: slideInRight .8s ease-out;
      box-shadow: 0 8px 24px rgba(0, 0, 0, .06);
      transition: all .3s ease;
    }
    .alfred-demo:hover {
      box-shadow: 0 12px 32px rgba(76, 125, 167, .12);
      border-color: var(--primary-lt);
    }
    .ademo-label {
      font-size: .72rem;
      font-weight: 600;
      color: var(--muted);
      letter-spacing: .05em;
      text-transform: uppercase;
    }
    .ademo-msg {
      font-size: .85rem;
      padding: 10px 14px;
      border-radius: 12px;
      line-height: 1.6;
      max-width: 88%;
      animation: slideUp .6s ease-out both;
    }
    .ademo-msg:nth-of-type(2) { animation-delay: .1s; }
    .ademo-msg:nth-of-type(3) { animation-delay: .2s; }
    .ademo-msg:nth-of-type(4) { animation-delay: .3s; }
    .ademo-msg:nth-of-type(5) { animation-delay: .4s; }
    .ademo-msg.u {
      background: var(--primary);
      color: #fff;
      align-self: flex-end;
      border-radius: 12px 12px 4px 12px;
    }
    .ademo-msg.a {
      background: var(--white);
      border: 1px solid var(--border);
      color: var(--text);
      align-self: flex-start;
      border-radius: 4px 12px 12px 12px;
    }
    .ademo-name {
      font-size: .68rem;
      font-weight: 700;
      color: var(--accent);
      margin-bottom: 3px;
    }

    /* ── DOWNLOAD ── */
    #download {
      padding: 80px 6%;
      text-align: center;
      animation: fadeIn .8s ease-out;
      background: linear-gradient(135deg, var(--white), rgba(76, 125, 167, .02));
    }
    #download h2 {
      font-size: clamp(1.6rem, 3.5vw, 2.4rem);
      font-weight: 800;
      letter-spacing: -.02em;
      margin-bottom: 10px;
      animation: slideUp .8s ease-out;
    }
    #download > p {
      color: var(--muted);
      font-size: .95rem;
      margin-bottom: 40px;
      animation: slideUp .8s ease-out .1s both;
    }

    .dl-box {
      display: inline-flex;
      flex-direction: column;
      align-items: center;
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: 20px;
      padding: 40px 48px;
      box-shadow: 0 8px 32px rgba(76, 125, 167, .1);
      animation: slideUp .9s ease-out .2s both;
      transition: all .4s cubic-bezier(.34, 1.56, .64, 1);
    }
    .dl-box:hover {
      transform: translateY(-8px);
      box-shadow: 0 16px 48px rgba(76, 125, 167, .2);
      border-color: var(--primary);
    }
    .dl-icon {
      width: 72px; height: 72px;
      border-radius: 18px;
      margin-bottom: 18px;
      transition: transform .3s ease;
    }
    .dl-box:hover .dl-icon {
      transform: scale(1.1) rotate(-5deg);
    }
    .dl-name {
      font-size: 1.4rem;
      font-weight: 800;
      color: var(--text);
      margin-bottom: 4px;
    }
    .dl-version { font-size: .8rem; color: var(--muted); margin-bottom: 24px; }
    .dl-btn {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      color: #fff;
      font-weight: 600;
      font-size: .95rem;
      padding: 13px 30px;
      border-radius: 10px;
      text-decoration: none;
      transition: all .3s cubic-bezier(.34, 1.56, .64, 1);
      box-shadow: 0 6px 20px rgba(76, 125, 167, .3);
    }
    .dl-btn:hover {
      transform: translateY(-4px);
      box-shadow: 0 10px 32px rgba(76, 125, 167, .4);
      filter: brightness(1.08);
    }
    .dl-note { margin-top: 12px; font-size: .78rem; color: var(--muted); }

    /* ── FOOTER ── */
    footer {
      background: var(--white);
      border-top: 1px solid var(--border);
      padding: 24px 6%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 8px;
      animation: fadeIn .8s ease-out;
      transition: all .3s ease;
      text-align: center;
    }
    footer:hover {
      box-shadow: 0 -4px 12px rgba(0, 0, 0, .05);
    }
    .f-logo {
      font-weight: 800;
      font-size: 1.1rem;
      color: var(--primary);
      transition: transform .3s ease;
    }
    footer:hover .f-logo {
      transform: scale(1.05);
    }
    .f-copy { font-size: .8rem; color: var(--muted); }

    /* ── RESPONSIVE ── */
    @media (max-width: 640px) {
      .nav-links { display: none; }
      .alfred-inner { grid-template-columns: 1fr; }
      .mockup-wrap { gap: 12px; }
      .screen-card { width: 170px; }
    }
.dl-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  width: 100%;
  margin-top: 0.5rem;
}

.dl-btn-apk {
  background: #3FB1A3;
  color: #fff;
}

.dl-btn-manual {
  background: transparent;
  color: #3FB1A3;
  border: 1.5px solid #3FB1A3;
}