/* ==========================================================================
   PRODUCT PAGE
   Same tokens and design language as the homepage — one platform, one system.
   ========================================================================== */

/* Reading progress */
.progress {
  position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 120;
  background: transparent; pointer-events: none;
}
.progress i {
  display: block; height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--blue), var(--blue-hi));
  transition: width 90ms linear;
}

/* --------------------------------------------------------------- hero --- */

.phero {
  position: relative; background: var(--d-bg); color: var(--d-ink);
  padding-top: calc(var(--nav-h) + 3.5rem);
  padding-bottom: var(--s-7);
  overflow: hidden; isolation: isolate;
}
.phero-grid {
  position: absolute; inset: 0; z-index: -3;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 4rem 4rem;
  mask-image: radial-gradient(ellipse 85% 70% at 50% 15%, #000 25%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 85% 70% at 50% 15%, #000 25%, transparent 78%);
}
.phero-bloom {
  position: absolute; z-index: -2; top: -34%; left: 50%; width: 70rem; height: 44rem;
  transform: translateX(-50%);
  background: radial-gradient(ellipse at center, rgba(0,87,255,.20), transparent 68%);
  filter: blur(30px); pointer-events: none;
}

.crumb { display: flex; align-items: center; gap: 0.5rem; font-size: 0.8125rem; color: var(--d-ink-3); }
.crumb a { transition: color var(--t-fast) var(--ease-out); }
.crumb a:hover { color: var(--d-ink); }
.crumb svg { width: 0.7rem; height: 0.7rem; opacity: .55; }

.phero-top { display: grid; grid-template-columns: 1fr minmax(0, 30rem); gap: var(--s-7); align-items: center; margin-top: var(--s-5); }

.pmark {
  display: inline-flex; align-items: center; gap: 0.75rem;
  padding: 0.5rem 1rem 0.5rem 0.5rem; border-radius: var(--r-pill);
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.10);
}
.pmark-i { width: 2rem; height: 2rem; border-radius: 8px; background: var(--blue); color: #fff; display: grid; place-items: center; flex: none; }
.pmark-i svg { width: 1rem; height: 1rem; }
.pmark-n { font-size: 0.9375rem; font-weight: 640; letter-spacing: -0.02em; }
.pmark-c { font-size: 0.75rem; color: var(--d-ink-3); }

.phero h1 { margin-top: var(--gap-eyebrow-head); max-width: 16ch; }
.phero .t-lead { margin-top: var(--gap-head-body); color: var(--d-ink-2); max-width: 46ch; }
.phero-cta { display: flex; gap: var(--s-2); flex-wrap: wrap; margin-top: var(--gap-body-cta); }
.phero-note { margin-top: var(--s-3); font-size: 0.8125rem; color: var(--d-ink-3); }

/* Product shot, floated with a soft parallax */
.pshot {
  position: relative; border-radius: var(--r-lg); overflow: hidden;
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: 0 2rem 5rem -1.5rem rgba(0,0,0,.7), 0 0 0 1px rgba(0,87,255,.10);
  background: var(--d-bg-2);
  will-change: transform;
}
.pshot img { width: 100%; height: auto; display: block; }
.pshot-cap {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 2.5rem 1rem 0.85rem; font-size: 0.75rem; color: rgba(255,255,255,.72);
  background: linear-gradient(180deg, transparent, rgba(4,6,12,.9));
  font-family: var(--mono);
}
.pshot-none {
  display: grid; place-items: center; gap: 0.6rem; aspect-ratio: 3/2;
  color: var(--d-ink-3);
  background-image: radial-gradient(rgba(255,255,255,.07) 1px, transparent 1px);
  background-size: 1.5rem 1.5rem;
}
.pshot-none svg { width: 2rem; height: 2rem; opacity: .5; }
.pshot-none span { font-family: var(--mono); font-size: 0.6875rem; letter-spacing: 0.14em; text-transform: uppercase; }

/* --------------------------------------------------------------- stats -- */

.pstats { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-4); margin-top: var(--s-7); }
.pstat { padding-top: var(--s-4); border-top: 1px solid rgba(255,255,255,.12); }
.pstat b { display: block; font-size: clamp(1.75rem, 2.6vw, 2.5rem); font-weight: 660; letter-spacing: -0.045em; line-height: 1; }
.pstat span { display: block; margin-top: 0.6rem; font-size: 0.8125rem; color: var(--d-ink-2); max-width: 24ch; }

/* ------------------------------------------------------------- problem -- */

.problem { background: var(--l-bg-2); border-top: 1px solid var(--l-line); }
.problem-in { max-width: 52rem; }
.problem h2 { font-size: clamp(1.6rem, 2.9vw, 2.4rem); line-height: 1.12; letter-spacing: -0.035em; }
.problem p { margin-top: var(--gap-head-body); font-size: clamp(1.02rem, 1.2vw, 1.15rem); line-height: 1.62; color: var(--l-ink-2); }

/* -------------------------------------------------------- capabilities -- */

.caps { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-3); margin-top: var(--gap-head-content); }
.cap {
  padding: var(--pad-card); border-radius: var(--r-lg);
  border: 1px solid var(--l-line); background: var(--l-bg);
  transition: box-shadow var(--t-slow) var(--ease), transform var(--t-slow) var(--ease), border-color var(--t-slow) var(--ease);
}
.cap:hover { box-shadow: var(--lift-2); transform: translateY(-2px); border-color: var(--l-line-2); }
.cap-i { width: 2.35rem; height: 2.35rem; border-radius: 10px; background: var(--mark-soft); color: var(--mark-soft-ink); display: grid; place-items: center; }
.cap-i svg { width: 1.05rem; height: 1.05rem; }
.cap h3 { margin-top: var(--s-3); font-size: 1rem; font-weight: 620; letter-spacing: -0.025em; }
.cap p { margin-top: 0.6rem; font-size: 0.875rem; line-height: 1.55; color: var(--l-ink-2); }

/* ----------------------------------------------------------- how it works
   Sticky sequence: the step list pins while the reader scrolls the detail. */

.how { background: var(--l-bg-2); border-top: 1px solid var(--l-line); }
.how-wrap { display: grid; grid-template-columns: minmax(0, 24rem) 1fr; gap: var(--s-7); margin-top: var(--gap-head-content); align-items: start; }
.how-rail { position: sticky; top: calc(var(--nav-h) + 3rem); display: grid; gap: 0.25rem; }
.how-rail-item {
  display: flex; gap: 0.9rem; align-items: flex-start;
  padding: 0.9rem 1rem; border-radius: var(--r-md);
  color: var(--l-ink-3);
  transition: background-color var(--t-base) var(--ease-out), color var(--t-base) var(--ease-out);
}
.how-rail-item b { font-size: 0.9375rem; font-weight: 600; letter-spacing: -0.02em; }
.how-rail-item i {
  width: 1.6rem; height: 1.6rem; border-radius: 50%; flex: none;
  display: grid; place-items: center; font-style: normal;
  font-family: var(--mono); font-size: 0.6875rem;
  border: 1px solid var(--l-line-2);
  transition: background-color var(--t-base) var(--ease-out), color var(--t-base) var(--ease-out), border-color var(--t-base) var(--ease-out);
}
.how-rail-item.on { background: var(--l-bg); color: var(--l-ink); box-shadow: var(--lift-1); }
.how-rail-item.on i { background: var(--blue); border-color: var(--blue); color: #fff; }

.how-steps { display: grid; gap: var(--s-4); }
.how-step {
  padding: var(--s-6) var(--pad-card); border-radius: var(--r-lg);
  border: 1px solid var(--l-line); background: var(--l-bg);
  min-height: 15rem; display: flex; flex-direction: column; justify-content: center;
}
.how-step-n { font-family: var(--mono); font-size: 0.6875rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--blue); }
.how-step h3 { margin-top: var(--s-3); font-size: clamp(1.25rem, 1.9vw, 1.6rem); letter-spacing: -0.03em; }
.how-step p { margin-top: var(--s-3); font-size: 1rem; line-height: 1.6; color: var(--l-ink-2); max-width: 46ch; }

/* ------------------------------------------------------------ connects -- */

.conn { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--s-3); margin-top: var(--gap-head-content); }
.conn-item {
  display: flex; gap: 1rem; align-items: flex-start;
  padding: var(--pad-card); border-radius: var(--r-lg);
  border: 1px solid var(--l-line); background: var(--l-bg);
  transition: border-color var(--t-base) var(--ease-out), box-shadow var(--t-base) var(--ease-out);
}
.conn-item:hover { border-color: var(--l-line-2); box-shadow: var(--lift-2); }
.conn-i { width: 2.35rem; height: 2.35rem; border-radius: 10px; background: var(--mark); color: var(--mark-ink); display: grid; place-items: center; flex: none; }
.conn-i svg { width: 1.05rem; height: 1.05rem; }
.conn-n { font-size: 0.9375rem; font-weight: 620; letter-spacing: -0.02em; display: flex; align-items: center; gap: 0.4rem; }
.conn-n svg { width: 0.8rem; height: 0.8rem; color: var(--blue); }
.conn-w { margin-top: 0.35rem; font-size: 0.875rem; line-height: 1.5; color: var(--l-ink-2); }

/* ----------------------------------------------------------------- faq -- */

.faq { margin-top: var(--gap-head-content); border-top: 1px solid var(--l-line); max-width: 56rem; }
.faq details { border-bottom: 1px solid var(--l-line); }
.faq summary {
  list-style: none; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: var(--s-4);
  padding: var(--s-4) 0; font-size: 1.0625rem; font-weight: 580; letter-spacing: -0.02em;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary svg { width: 1.1rem; height: 1.1rem; flex: none; color: var(--l-ink-3); transition: transform var(--t-base) var(--ease); }
.faq details[open] summary svg { transform: rotate(45deg); }

/* Control the answer explicitly. Giving <summary> `display: flex` defeats the
   UA's closed-<details> content hiding, so every answer rendered at once and
   the three of them stacked on top of each other. */
.faq details > .faq-a { display: none; }
.faq details[open] > .faq-a { display: block; animation: faq-in 0.26s var(--ease-out) both; }
.faq-a { padding-bottom: var(--s-4); font-size: 0.9375rem; line-height: 1.65; color: var(--l-ink-2); max-width: 62ch; }

@keyframes faq-in { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .faq details[open] > .faq-a { animation: none; } }

/* ----------------------------------------------------------- try free --- */

.tryfree { background: var(--d-bg); color: var(--d-ink); position: relative; overflow: hidden; }
.tryfree-bloom { position: absolute; inset: 0; background: radial-gradient(ellipse 55% 65% at 50% 35%, rgba(0,87,255,.20), transparent 70%); }
.tryfree > .shell { position: relative; }
.tryfree-in { text-align: center; max-width: 46rem; margin-inline: auto; }
.tryfree h2 { max-width: 18ch; margin-inline: auto; }
.tryfree p { margin-top: var(--gap-head-body); color: var(--d-ink-2); max-width: 44ch; margin-inline: auto; }
.tryfree-row { display: flex; justify-content: center; gap: var(--s-2); margin-top: var(--gap-body-cta); flex-wrap: wrap; }
.tryfree-pts { display: flex; justify-content: center; gap: var(--s-4); flex-wrap: wrap; margin-top: var(--s-5); }
.tryfree-pt { display: inline-flex; align-items: center; gap: 0.5rem; font-size: 0.8125rem; color: var(--d-ink-2); }
.tryfree-pt svg { width: 0.9rem; height: 0.9rem; color: var(--blue); flex: none; }

/* --------------------------------------------------------- other apps --- */

.more { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.5rem; margin-top: var(--gap-head-content); }

/* -------------------------------------------------------------- resp --- */

@media (min-width: 1536px) { .caps { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 1279px) { .caps { grid-template-columns: repeat(2, 1fr); } .more { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 1023px) {
  .phero-top { grid-template-columns: 1fr; gap: var(--s-5); }
  .how-wrap { grid-template-columns: 1fr; gap: var(--s-4); }
  .how-rail { position: static; }
  .conn { grid-template-columns: 1fr; }
  .pstats { grid-template-columns: repeat(3, 1fr); gap: var(--s-3); }
  .more { grid-template-columns: repeat(2, 1fr); }
  .how-step { min-height: 0; }
}
@media (max-width: 767px) {
  .caps { grid-template-columns: 1fr; }
  .pstats { grid-template-columns: 1fr; }
  .more { grid-template-columns: 1fr; }
}