/* Demo-video landing page (preview). Hero banner images are set in index.html <picture>. */
.dv-main { overflow-x: clip; }

/* ---------- Hero ---------- */
.dv-hero { position: relative; isolation: isolate; background: #07111f; padding: clamp(2.5rem, 5vw, 4.5rem) 0 clamp(3rem, 6vw, 5rem); min-height: calc(84vw * 1000 / 2400); display: grid; align-content: start; }
.dv-hero-bg { position: absolute; inset: 0; z-index: -2; overflow: hidden; }
.dv-hero-bg img { width: 84%; height: auto; display: block; -webkit-mask-image: linear-gradient(180deg,#000 70%,transparent), linear-gradient(90deg,#000 80%,transparent); -webkit-mask-composite: source-in; mask-image: linear-gradient(180deg,#000 70%,transparent), linear-gradient(90deg,#000 80%,transparent); mask-composite: intersect; transform: none; animation: none; }
.dv-hero::after { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: radial-gradient(ellipse 45% 60% at 78% 45%, rgba(75,142,219,.22), transparent 70%),
              linear-gradient(90deg, transparent 45%, rgba(7,17,31,.55) 62%, rgba(7,17,31,.75) 100%); }
.dv-hero-grid { display: grid; grid-template-columns: 1fr minmax(0, 36%); column-gap: 3rem; }
.dv-hero-col { grid-column: 2; display: grid; gap: 1.5rem; }
.dv-hero .dv-title { font-size: clamp(2.2rem, 3.6vw, 3.3rem); margin: .4rem 0 .8rem; }
.dv-hero .dv-lede { font-size: 1.02rem; }
.dv-hero .dv-ticks { margin-top: 1rem; }
.dv-hero .eyebrow { color: #69b4ec; }
.dv-title { font-family: "Poppins", sans-serif; font-size: clamp(2.5rem, 6vw, 4.6rem); line-height: 1.02; letter-spacing: -.02em; margin: .5rem 0 1.2rem; color: #f5f8ff; }
.dv-title span { background: linear-gradient(135deg, #f8fbff 0%, #69b4ec 45%, #1988d2 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.dv-lede { color: rgba(225,235,255,.82); font-size: clamp(1rem, 1.4vw, 1.15rem); line-height: 1.65; max-width: 36rem; margin: 0; }
.dv-ticks { list-style: none; padding: 0; margin: 1.6rem 0 0; display: flex; flex-wrap: wrap; gap: .6rem; }
.dv-ticks li { color: #eaf2ff; font-weight: 600; font-size: .92rem; padding: .5rem .9rem .5rem 2rem; border-radius: 999px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14); position: relative; backdrop-filter: blur(6px); }
.dv-ticks li::before { content: "✓"; position: absolute; left: .8rem; color: #69b4ec; font-weight: 800; }

/* Gate card (always light for contrast on the dark hero) */
.dv-card { background: #fff; color: #0e1b35; border-radius: 24px; padding: clamp(1.4rem, 3vw, 2.2rem); box-shadow: 0 30px 80px rgba(0,0,0,.35), 0 0 0 1px rgba(255,255,255,.4); }
.dv-card .dv-muted { color: #5b6b8c; }
.dv-card input:not([type=checkbox]) { background: #f4f7fc !important; border-color: #d7e0ee !important; color: #0e1b35 !important; }
.dv-unlocked { display: grid; gap: .8rem; text-align: center; }
.dv-unlocked h2 { margin: 0; font-family: "Poppins", sans-serif; font-size: 1.8rem; }

/* ---------- Forms ---------- */
.dv-form { display: grid; gap: .85rem; }
.dv-form h2 { margin: 0; font-family: "Poppins", sans-serif; font-size: 1.5rem; }
.dv-muted { color: var(--muted); margin: 0; }
.dv-row { display: grid; grid-template-columns: 1fr 1fr; gap: .85rem; }
.dv-form label { display: grid; gap: .35rem; font-weight: 600; font-size: .9rem; }
.dv-opt { display: inline; color: #8593ae; font-weight: 500; }
.dv-form input:not([type=checkbox]) { font: inherit; padding: .78rem .95rem; border-radius: 12px; border: 1px solid var(--ghost-border); background: var(--ghost-bg); color: var(--text); transition: border-color .2s, box-shadow .2s; }
.dv-form input:focus { outline: none; border-color: #1988d2 !important; box-shadow: 0 0 0 4px rgba(25,136,210,.18); }
.dv-form label.dv-check { display: flex; gap: .6rem; align-items: flex-start; font-weight: 500; }
.dv-check input { margin-top: .2rem; width: 18px; height: 18px; accent-color: #1988d2; }
.dv-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.dv-error { color: #d93b3b; margin: 0; font-weight: 600; }
.dv-submit { width: 100%; justify-content: center; text-align: center; border: 0; cursor: pointer; }
button.button { font: inherit; cursor: pointer; }
[hidden] { display: none !important; }

/* ---------- Trust strip ---------- */
.dv-trust { border-bottom: 1px solid var(--line); padding: 1.3rem 0; background: var(--card-soft-bg); }

/* ---------- Video ---------- */
.dv-watch { padding-top: clamp(3rem, 7vw, 5rem); }
.dv-player-wrap { position: relative; max-width: 1040px; margin: 0 auto; border-radius: 24px; overflow: hidden; box-shadow: 0 30px 80px rgba(6,17,31,.28); border: 1px solid var(--line); background: #06111f; }
.dv-player, .dv-locked { aspect-ratio: 16 / 9; }
.dv-player video { width: 100%; height: 100%; display: block; }
.dv-locked { position: relative; }
.dv-locked img { width: 100%; height: 100%; object-fit: cover; filter: blur(6px) brightness(.55); transform: scale(1.05); }
.dv-locked-msg { position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; gap: 1rem; text-align: center; color: #fff; padding: 1rem; }
.dv-lock-icon { width: 76px; height: 76px; border-radius: 50%; display: grid; place-items: center; font-size: 1.6rem; background: rgba(255,255,255,.14); border: 2px solid rgba(255,255,255,.6); animation: dv-pulse 2.4s ease-in-out infinite; }
@keyframes dv-pulse { 50% { box-shadow: 0 0 0 14px rgba(105,180,236,.15); } }
.dv-actions { display: flex; flex-wrap: wrap; gap: .8rem; justify-content: center; margin-top: 1.6rem; }
.dv-signup-wrap { max-width: 640px; margin: 1.5rem auto 0; }
.dv-signup { padding: clamp(1.3rem, 3vw, 2rem); border: 1px solid var(--line); border-radius: 20px; background: var(--surface); }
.dv-thanks { text-align: center; padding: 2rem; border: 1px solid var(--line); border-radius: 20px; background: var(--surface); }
.dv-thanks h2 { margin: 0 0 .3rem; font-family: "Poppins", sans-serif; }

/* ---------- Content sections ---------- */
.dv-ai-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.dv-ai-grid .differentiator-card { transition: transform .3s ease, box-shadow .3s ease; }
.dv-ai-grid .differentiator-card:hover { transform: translateY(-4px); }
.proof-card { transition: transform .3s ease; }
.proof-card:hover { transform: translateY(-4px); }
.dv-demo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.dv-h2 { font-family: "Poppins", sans-serif; font-size: clamp(1.8rem, 3.4vw, 2.6rem); line-height: 1.1; margin: .4rem 0 1.4rem; }
.dv-photo { border-radius: 24px; overflow: hidden; box-shadow: 0 30px 70px rgba(6,17,31,.22); }
.dv-photo img { width: 100%; display: block; aspect-ratio: 4 / 3; object-fit: cover; }
.dv-faq { display: grid; gap: .9rem; max-width: 860px; margin: 0 auto; }
.dv-cta { display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.dv-cta h2 { margin: .3rem 0 .5rem; }
.dv-cta .dv-actions { margin-top: 0; }

/* Entrance motion */
.dv-rise { opacity: 0; transform: translateY(18px); animation: dv-rise .8s cubic-bezier(.2,.7,.2,1) .1s forwards; }
.dv-rise-2 { animation-delay: .28s; }
@keyframes dv-rise { to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .dv-rise, .dv-hero::before, .dv-lock-icon { animation: none; opacity: 1; transform: none; } }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) and (min-width: 761px) {
  .dv-hero-grid { grid-template-columns: 1fr minmax(0, 46%); }
}
@media (max-width: 760px) {
  /* Mobile banner 1080x1350 shown at top; headline sits in its calm band (~y560-1000), form stacks below */
  .dv-hero { padding: 0 0 2rem; min-height: 0; display: block; }
  .dv-hero-bg { position: relative; inset: auto; aspect-ratio: 1080 / 1350; height: auto; }
  .dv-hero-bg img { width: 100%; animation: none; transform: none; -webkit-mask-image: none; mask-image: none; }
  .dv-hero::after { background: radial-gradient(ellipse 80% 30% at 50% 55%, rgba(75,142,219,.18), transparent 70%); }
  .dv-hero-grid { display: block; margin-top: calc(-1 * (100vw * 1350 / 1080) * 0.55); position: relative; }
  .dv-hero-col { gap: 1.6rem; }
  .dv-band { min-height: calc((100vw * 1350 / 1080) * 0.55 + 1rem); }
  .dv-hero .dv-title { font-size: clamp(2.1rem, 9vw, 2.6rem); }
}
@media (max-width: 960px) {
  .dv-demo-grid { grid-template-columns: 1fr; }
  .dv-ai-grid { grid-template-columns: 1fr; }
  .dv-hero { min-height: 0; }
}
@media (max-width: 520px) {
  .dv-row { grid-template-columns: 1fr; }
  .dv-actions .button { flex: 1 1 100%; justify-content: center; text-align: center; }
  .dv-cta { text-align: left; }
  .dv-lock-icon { width: 56px; height: 56px; }
}