:root {
    --bg: #0f172a;
    --panel: #111827;
    --muted: #9ca3af;
    --text: #e5e7eb;
    --border: #1f2937;
    --indigo: #6366f1;
    --indigo-600: #4f46e5;
    --green: #22c55e;
    --maxw: 1120px;
    --radius: 16px;
    --shadow: 0 8px 24px rgba(0, 0, 0, .35)
}

* {
    box-sizing: border-box
}

html,
body {
    scroll-behavior: smooth;
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font: 16px/1.6 system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif
    overflow-x:hidden;
}

a {
    color: var(--indigo);
    text-decoration: none
}

.wrap {
    max-width: var(--maxw);
    margin-inline: auto;
    padding-inline: 24px
}

header {
    position: sticky;
    top: 0;
    z-index: 40;
    background: linear-gradient(180deg, rgba(17, 24, 39, .9), rgba(17, 24, 39, .75));
    backdrop-filter: saturate(1.2) blur(6px);
    border-bottom: 1px solid var(--border)
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap:wrap;
    padding: 14px 0;
}

.brand {
    display: flex;
    gap: 12px;
    align-items: center;
    min-width:0;
}

.logo {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: grid;
    place-items: center;
    overflow: hidden;
}

.logo img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 10px
}

.brand h1 {
    margin: 0;
    font-size: 18px;
    letter-spacing: .3px;
    white-space:nowrap;
}

.actions{ 
  display:flex; 
  gap:8px; 
  align-items:center; 
  flex-wrap:wrap; 
  max-width:100%; 
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--indigo);
    color: #fff;
    border: 0;
    border-radius: 10px;
    padding: 10px 14px;
    font-weight: 600;
    box-shadow: 0 6px 18px rgba(99, 102, 241, .35);
    cursor: pointer;
    transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease, border-color .15s ease, background-color .15s ease
}

.btn:hover {
    background: var(--indigo-600);
    transform: translateY(-1px);
    box-shadow: 0 10px 22px rgba(79, 70, 229, .45)
}

.ghost {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
    box-shadow: none
}

.ghost:hover {
    border-color: var(--indigo);
    color: #c7d2fe;
    background: rgba(99, 102, 241, .08);
    transform: translateY(-1px)
}

.lang {
    display: flex;
    gap: 6px;
    align-items: center
}

.lang button {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--muted);
    padding: 8px 10px;
    border-radius: 10px;
    cursor: pointer
}

.lang button.active {
    border-color: var(--indigo);
    color: #c7d2fe;
    background: rgba(99, 102, 241, .08)
}

.hero {
    padding: 64px 0 24px
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 32px;
    align-items: center
}

.eyebrow {
    color: var(--muted);
    font-size: 14px;
    letter-spacing: .12em;
    text-transform: uppercase
}

.title {
    font-size: clamp(28px, 3.6vw, 44px);
    line-height: 1.15;
    margin: 10px 0 10px
}

.subtitle {
    color: var(--muted);
    max-width: 60ch
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 20px
}

.card-demo {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    background: linear-gradient(180deg, #0b1220, #0b1220 65%, #0a0f1a);
    box-shadow: var(--shadow)
}

.bullet {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    margin: 8px 0
}

.check {
    color: var(--green)
}

.features {
    padding: 36px 0
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px
}

.feature {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 16px;
    overflow: hidden;
}

.feature h3 {
    margin: 6px 0 4px;
    font-size: 18px
}

.feature p {
    margin: 0;
    color: var(--muted);
    font-size: 14px
}

.pricing {
    padding: 28px 0 64px
}

.pricing h2 {
    font-size: 28px;
    margin: 0 0 10px
}

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

.plan {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 18px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow)
}

.plan .head {
    padding: 18px;
    border-bottom: 1px solid var(--border);
    background: linear-gradient(180deg, rgba(79, 70, 229, .15), transparent)
}

.badge {
    display: inline-block;
    background: rgba(99, 102, 241, .15);
    border: 1px solid rgba(99, 102, 241, .35);
    color: #c7d2fe;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 12px
}

.plan .price {
    font-size: 26px;
    margin: 8px 0 4px
}

.per {
    color: var(--muted);
    font-size: 14px
}

.plan .body {
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 10px
}

.incl {
    display: flex;
    gap: 10px;
    align-items: flex-start
}

.incl .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-top: 8px;
    background: var(--indigo)
}

.muted {
    color: var(--muted)
}

.plan .foot {
    padding: 18px;
    border-top: 1px solid var(--border)
}

.plan .cta {
    width: 100%;
    text-align: center
}

.popular {
    outline: 2px solid rgba(99, 102, 241, .45)
}

.faq {
    padding: 24px 0 64px
}

details {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px 16px
}

details+details {
    margin-top: 12px
}

.contact-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
}
.contact-grid input,
.contact-grid textarea{
  width:100%;
  max-width:100%;
  background:#374151;            /* gray-700 */
  border:1px solid #4b5563;      /* gray-600 */
  color:#e5e7eb;                 /* gray-200 */
  border-radius:10px;
  padding:10px 12px;
}
.contact-grid input::placeholder,
.contact-grid textarea::placeholder{ color:#9ca3af; } /* gray-400 */
.contact-grid input:focus,
.contact-grid textarea:focus{
  outline:none;
  border-color:#6366f1;          /* indigo-500 */
  box-shadow:0 0 0 2px rgba(99,102,241,.35);
}
.contact-grid textarea{ 
  grid-column:1 / -1;
  resize:vertical;
}

.contact-grid button.btn{
  grid-column:1 / -1;
  width:100%; 
  justify-content:center;
}

.contact-grid *{ max-width:100%; }

summary {
    cursor: pointer;
    font-weight: 600
}

footer {
    border-top: 1px solid var(--border);
    color: var(--muted);
    padding: 24px 0 36px
}

@media (max-width: 980px) {
    .hero-grid {
        grid-template-columns: 1fr
    }

    .feature-grid {
        grid-template-columns: 1fr 1fr
    }

    .plans {
        grid-template-columns: 1fr
    }
}

@media (max-width:640px){
  .nav{ 
    justify-content: center;
    flex-direction: column;
  }
  .brand{ margin-bottom: 12px; }
  .logo{ width:30px; height:30px; }
  .btn, .ghost{ padding:8px 12px; }
  .lang button{ padding:6px 8px; }
  .contact-grid{ grid-template-columns:1fr; }
  .contact-grid textarea,
  .contact-grid button{ grid-column:1 / span 1; }
}