/* Product page (eSignature deep-dive) — hero, ECT Act explainer, proof grid,
   field-placement + mobile/certificate showcases, FAQ accordion.
   Page-local styles only; shared components live in styles/components.css. */

/* ---- Section head (page-local copy of the pattern used on the homepage —
   home.css isn't loaded here, so it's redeclared rather than shared) ---- */
.section-head{ max-width: 640px; margin-bottom: var(--space-8); }

/* ==========================================================================
   1. Hero — centered + visual stacked below (deliberately not a split, so
   it reads distinct from the homepage's split gradient hero). Plain white
   with a soft tinted wash behind the visual, not full colour.
   ========================================================================== */
.pd-hero{ position: relative; overflow: hidden; text-align: center; }
.pd-hero::before{
  content: ""; position: absolute; inset: -10% -5% auto -5%; height: 65%;
  background: radial-gradient(60% 60% at 50% 0%, var(--blue-50) 0%, transparent 70%);
  z-index: 0; pointer-events: none;
}
.pd-hero > .container{ position: relative; z-index: 1; }
.pd-hero__copy{ max-width: 720px; margin-inline: auto; }
.pd-hero__copy h1{ margin-top: var(--space-5); }
.pd-hero__cta{ margin-top: var(--space-7); display: flex; gap: var(--space-4); justify-content: center; flex-wrap: wrap; }
.pd-hero__note{ margin-top: var(--space-5); font-size: var(--text-small); color: var(--text-secondary); }

.pd-hero__visual{ margin-top: var(--space-10); }
.pd-hero-doc{ max-width: 620px; margin-inline: auto; text-align: left; }
.pd-hero-doc__clause-num{ font-size: 11px; font-weight: 700; color: var(--text-tertiary); text-transform: uppercase; letter-spacing: .06em; }
.pd-hero-doc__clause{ font-size: 12.5px; line-height: 1.7; color: var(--ink-700); margin-top: 6px; }

.sign-order{ margin-top: var(--space-5); padding-top: var(--space-5); border-top: 1px dashed var(--ink-100); }
.sign-order__label{ display: block; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--text-tertiary); margin-bottom: var(--space-4); }
.sign-order__row{ display: flex; align-items: center; gap: var(--space-3); padding-block: var(--space-3); flex-wrap: wrap; }
.sign-order__row + .sign-order__row{ border-top: var(--border-hairline); }
.sign-order__who{ display: flex; flex-direction: column; min-width: 0; flex: 1; }
.sign-order__name{ font-size: var(--text-small); font-weight: 600; }
.sign-order__role{ font-size: var(--text-micro); color: var(--text-tertiary); }

/* ==========================================================================
   2. ECT Act explainer — plain editorial text column, no cards, no icons,
   so it reads distinct from the hero above and the proof grid below.
   ========================================================================== */
.pd-explainer{ max-width: 720px; margin-inline: auto; }
.pd-explainer p + p{ margin-top: var(--space-5); }
.callout{
  border-left: 4px solid var(--blue-600); background: var(--blue-50);
  padding: var(--space-5) var(--space-6); border-radius: var(--radius-md);
  font-weight: 600; color: var(--ink-900); margin-block: var(--space-6);
}

/* ==========================================================================
   3. Proof grid — 3 cards (adapts index.html's verified-result pattern with
   fresh copy, per brief).
   ========================================================================== */
.proof-card{ display: flex; flex-direction: column; gap: var(--space-4); height: 100%; }
.proof-card__icon{
  width: 44px; height: 44px; border-radius: var(--radius-md);
  background: var(--blue-50); color: var(--blue-600);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.proof-card__fingerprint{
  font-family: 'SF Mono', Menlo, monospace; font-size: 12px; color: var(--text-secondary);
  background: var(--ink-50); border-radius: var(--radius-sm); padding: var(--space-3);
  word-break: break-all;
}
.proof-card__note{ font-size: var(--text-micro); color: var(--text-tertiary); border-top: var(--border-hairline); padding-top: var(--space-3); margin-top: auto; }
.proof-foot{ margin-top: var(--space-8); text-align: center; }

/* ==========================================================================
   4. Alternating 50/50 benefit blocks (field placement + signing order;
   mobile signing + certificate/audit trail).
   ========================================================================== */
.mini-feature-list{ display: flex; flex-direction: column; gap: var(--space-4); margin-top: var(--space-6); }
.mini-feature-list__item{ display: flex; align-items: center; gap: var(--space-4); }
.mini-feature-list__icon{
  width: 38px; height: 38px; flex-shrink: 0; border-radius: var(--radius-sm);
  background: var(--blue-50); color: var(--blue-600);
  display: flex; align-items: center; justify-content: center;
}
.mini-feature-list__label{ font-size: var(--text-small); font-weight: 600; }

/* ---- Field placement showcase ---- */
.field-demo{ max-width: 480px; margin-inline: auto; }
.field-demo__toolbar{ display: flex; flex-wrap: wrap; gap: var(--space-2); margin-bottom: var(--space-5); }
.field-demo__pill{
  display: inline-flex; align-items: center; gap: 6px;
  padding: .35rem .75rem; border-radius: var(--radius-full);
  font-size: var(--text-micro); font-weight: 700;
  border: 1.5px dashed var(--ink-200); color: var(--text-secondary);
  background: var(--white); transition: transform var(--dur-base) var(--ease-out);
}
.field-demo__pill--active{
  border-style: solid; border-color: var(--orange-300); background: var(--orange-50); color: var(--orange-700);
  transform: rotate(-3deg);
}
.field-demo__doc-line{ display: flex; align-items: center; gap: var(--space-3); margin-top: var(--space-4); flex-wrap: wrap; }
.field-demo__doc-line-label{ font-size: 12.5px; color: var(--ink-700); flex-shrink: 0; }
.field-demo__hint{
  display: flex; align-items: center; gap: 6px; margin-top: var(--space-5);
  font-size: 11px; font-weight: 700; color: var(--blue-700);
}
.field-demo__hint-cursor{ flex-shrink: 0; animation: pd-bob 1.8s var(--ease-in-out) infinite; }
@keyframes pd-bob{ 0%, 100%{ transform: translate(0,0); } 50%{ transform: translate(2px,-3px); } }

/* ---- Mobile signing + certificate showcase ---- */
.device-stack{ display: flex; flex-direction: column; align-items: center; max-width: 320px; margin-inline: auto; }
.phone-frame{
  width: 230px; background: var(--ink-900); border-radius: 32px; padding: 10px;
  box-shadow: var(--shadow-lg);
}
.phone-frame__notch{ width: 60px; height: 6px; background: rgba(255,255,255,0.25); border-radius: var(--radius-full); margin: 0 auto 8px; }
.phone-frame__screen{ background: var(--white); border-radius: 22px; padding: var(--space-4) var(--space-3); }
.phone-frame__filename{ font-size: 10.5px; color: var(--text-tertiary); font-weight: 600; text-align: center; margin-bottom: var(--space-3); }
.phone-frame__clause{ font-size: 10.5px; line-height: 1.6; color: var(--ink-700); margin-bottom: var(--space-4); }
.phone-frame__sig{ text-align: center; border: 1px dashed var(--ink-200); border-radius: var(--radius-sm); padding: var(--space-3); margin-bottom: var(--space-3); }
.phone-frame__sig .signature{ font-size: 1.5rem; }

.cert-card{
  width: 220px; background: var(--white); border: var(--border-hairline); border-radius: var(--radius-md);
  padding: var(--space-4); margin-top: -28px; align-self: flex-end;
  box-shadow: var(--shadow-md); position: relative; z-index: 1;
}
.cert-card__title{ font-size: var(--text-micro); font-weight: 700; margin-bottom: var(--space-3); }
.cert-card__row{ display: flex; justify-content: space-between; font-size: 11px; color: var(--text-secondary); padding-block: 4px; }
.cert-card__row + .cert-card__row{ border-top: 1px dashed var(--ink-100); }

@media (max-width: 480px){
  .cert-card{ align-self: center; margin-top: var(--space-4); }
}

/* ==========================================================================
   5. FAQ accordion — plain list, hairline dividers, no card wrapper,
   collapsed by default (matches the DocuSign mechanic: bold question,
   right-aligned chevron, 1px divider, no icons/numbering).
   ========================================================================== */
.faq{ max-width: 760px; margin-inline: auto; }
.faq-item{ border-bottom: var(--border-hairline); }
.faq-item:first-child{ border-top: var(--border-hairline); }
.faq__q-heading{ margin: 0; font-size: inherit; font-weight: inherit; }
.faq-item__trigger{
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: var(--space-4);
  padding-block: var(--space-5); text-align: left;
  font-family: var(--font-sans); font-size: var(--text-body-lg); font-weight: 600; color: var(--ink-900);
}
.faq-item__chevron{ flex-shrink: 0; transition: transform var(--dur-base) var(--ease-out); color: var(--blue-600); }
.faq-item.is-open .faq-item__chevron{ transform: rotate(180deg); }
.faq-item__panel{ display: grid; grid-template-rows: 0fr; transition: grid-template-rows var(--dur-base) var(--ease-out); }
.faq-item.is-open .faq-item__panel{ grid-template-rows: 1fr; }
.faq-item__panel-inner{ overflow: hidden; min-height: 0; }
.faq-item__answer{ padding-bottom: var(--space-5); max-width: 640px; color: var(--text-secondary); }

/* ==========================================================================
   6. Closing CTA band (page-local naming; same rhythm as the homepage
   bookend, fresh copy).
   ========================================================================== */
.pd-cta__row{ margin-top: var(--space-7); display: flex; justify-content: center; gap: var(--space-4); flex-wrap: wrap; }
.pd-cta__note{ margin-top: var(--space-5); font-size: var(--text-small); color: rgba(255,255,255,0.8); }

@media (max-width: 560px){
  .sign-order__row{ align-items: flex-start; }
}

/* ==========================================================================
   7. Autoplay sending-flow loop ("Watch it work") — sequential routing demo.
   Same technique as the homepage lifecycle loop (styles/home.css): one
   shared 14s linear infinite timeline; each element animates its own
   percentage window of that cycle, and every stateful element fades to
   opacity 0 between 96% and 100% so the restart is clean. Pure CSS,
   silent, no controls. All classes page-local (.pd-loop-*).
   ========================================================================== */

.pd-loop-demo{ max-width: 640px; margin-inline: auto; }
.pd-loop-demo__win{ box-shadow: var(--shadow-lg); }

/* Pulsing "live" dot in the section eyebrow */
.pd-loop-live-dot{
  display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  background: var(--orange-500); margin-right: 2px;
  animation: pd-loop-live-pulse 2s var(--ease-out) infinite;
}
@keyframes pd-loop-live-pulse{
  0%{ box-shadow: 0 0 0 0 rgba(255,122,51,0.45); }
  70%{ box-shadow: 0 0 0 9px rgba(255,122,51,0); }
  100%{ box-shadow: 0 0 0 0 rgba(255,122,51,0); }
}

/* ---- Envelope status chips in the titlebar (stacked, one visible) ---- */
.pd-loop-status{ margin-left: auto; position: relative; display: inline-flex; min-width: 108px; height: 24px; }
.pd-loop-tchip{ position: absolute; right: 0; top: 0; white-space: nowrap; opacity: 0; }
.pd-loop-tchip--draft{    animation: pd-loop-tchip-draft    14s linear infinite; }
.pd-loop-tchip--progress{ animation: pd-loop-tchip-progress 14s linear infinite; }
.pd-loop-tchip--sealing{  animation: pd-loop-tchip-sealing  14s linear infinite; }
.pd-loop-tchip--sealed{   animation: pd-loop-tchip-sealed   14s linear infinite; }
@keyframes pd-loop-tchip-draft{    0%{opacity:1;} 10%{opacity:1;} 12%{opacity:0;} 100%{opacity:0;} }
@keyframes pd-loop-tchip-progress{ 0%,10%{opacity:0;} 12%{opacity:1;} 50%{opacity:1;} 52%{opacity:0;} 100%{opacity:0;} }
@keyframes pd-loop-tchip-sealing{  0%,50%{opacity:0;} 52%{opacity:1;} 56%{opacity:1;} 58%{opacity:0;} 100%{opacity:0;} }
@keyframes pd-loop-tchip-sealed{   0%,56%{opacity:0;} 58%{opacity:1;} 96%{opacity:1;} 100%{opacity:0;} }

/* ---- Routing panel inside the window ---- */
.pd-loop-stage{ padding-bottom: var(--space-9); }
.pd-loop-label{
  display: block; font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .05em; color: var(--text-tertiary); margin-bottom: var(--space-4);
}

/* ---- Recipient rows — pop in staggered; the left accent tracks state:
   neutral → orange (their turn) → success (signed). ---- */
.pd-loop-row{
  display: flex; align-items: center; gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--white); border: var(--border-hairline);
  border-left: 3px solid var(--ink-200); border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  opacity: 0;
}
.pd-loop-row--1{ animation: pd-loop-row1 14s linear infinite; }
.pd-loop-row--2{ animation: pd-loop-row2 14s linear infinite; }
@keyframes pd-loop-row1{
  0%, 2%{ opacity: 0; transform: translateY(-12px) scale(0.97); border-left-color: var(--ink-200); animation-timing-function: cubic-bezier(.2,1.4,.4,1); }
  5%{ opacity: 1; transform: none; }
  11%{ border-left-color: var(--ink-200); }
  13%{ border-left-color: var(--orange-500); }
  25%{ border-left-color: var(--orange-500); }
  27%{ border-left-color: var(--success-500); }
  96%{ opacity: 1; transform: none; border-left-color: var(--success-500); }
  100%{ opacity: 0; }
}
@keyframes pd-loop-row2{
  0%, 5%{ opacity: 0; transform: translateY(-12px) scale(0.97); border-left-color: var(--ink-200); animation-timing-function: cubic-bezier(.2,1.4,.4,1); }
  8%{ opacity: 1; transform: none; }
  31%{ border-left-color: var(--ink-200); }
  33%{ border-left-color: var(--orange-500); }
  45%{ border-left-color: var(--orange-500); }
  47%{ border-left-color: var(--success-500); }
  96%{ opacity: 1; transform: none; border-left-color: var(--success-500); }
  100%{ opacity: 0; }
}
.pd-loop-row__avatar{ width: 36px; height: 36px; font-size: 0.8rem; }
.pd-loop-row__who{ display: flex; flex-direction: column; min-width: 0; flex: 1; }
.pd-loop-row__name{ font-size: var(--text-small); font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pd-loop-row__role{ font-size: var(--text-micro); color: var(--text-tertiary); }

/* ---- Per-recipient status chips (stacked, one visible at a time) ---- */
.pd-loop-row__chips{ position: relative; min-width: 148px; height: 26px; flex-shrink: 0; }
.pd-loop-chip{ position: absolute; right: 0; top: 0; white-space: nowrap; opacity: 0; }
.pd-loop-chip--r1-wait{   animation: pd-loop-r1-wait   14s linear infinite; }
.pd-loop-chip--r1-out{    animation: pd-loop-r1-out    14s linear infinite; }
.pd-loop-chip--r1-viewed{ animation: pd-loop-r1-viewed 14s linear infinite; }
.pd-loop-chip--r1-signed{ animation: pd-loop-r1-signed 14s linear infinite; }
.pd-loop-chip--r2-wait{   animation: pd-loop-r2-wait   14s linear infinite; }
.pd-loop-chip--r2-out{    animation: pd-loop-r2-out    14s linear infinite; }
.pd-loop-chip--r2-viewed{ animation: pd-loop-r2-viewed 14s linear infinite; }
.pd-loop-chip--r2-signed{ animation: pd-loop-r2-signed 14s linear infinite; }
@keyframes pd-loop-r1-wait{   0%{opacity:1;} 11%{opacity:1;} 13%{opacity:0;} 100%{opacity:0;} }
@keyframes pd-loop-r1-out{    0%,11%{opacity:0;} 13%{opacity:1;} 17%{opacity:1;} 19%{opacity:0;} 100%{opacity:0;} }
@keyframes pd-loop-r1-viewed{ 0%,17%{opacity:0;} 19%{opacity:1;} 25%{opacity:1;} 27%{opacity:0;} 100%{opacity:0;} }
@keyframes pd-loop-r1-signed{ 0%,25%{opacity:0;} 27%{opacity:1;} 96%{opacity:1;} 100%{opacity:0;} }
@keyframes pd-loop-r2-wait{   0%{opacity:1;} 31%{opacity:1;} 33%{opacity:0;} 100%{opacity:0;} }
@keyframes pd-loop-r2-out{    0%,31%{opacity:0;} 33%{opacity:1;} 37%{opacity:1;} 39%{opacity:0;} 100%{opacity:0;} }
@keyframes pd-loop-r2-viewed{ 0%,37%{opacity:0;} 39%{opacity:1;} 45%{opacity:1;} 47%{opacity:0;} 100%{opacity:0;} }
@keyframes pd-loop-r2-signed{ 0%,45%{opacity:0;} 47%{opacity:1;} 96%{opacity:1;} 100%{opacity:0;} }

/* ---- Routing connector between the rows — flashes when the envelope
   passes from signer 1 to signer 2 (the point of signing order). ---- */
.pd-loop-route{
  display: flex; align-items: center; justify-content: center; gap: 6px;
  margin-block: var(--space-2);
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em;
  color: var(--ink-300);
  animation: pd-loop-route-pass 14s linear infinite;
}
.pd-loop-route svg{ flex-shrink: 0; }
@keyframes pd-loop-route-pass{
  0%{ opacity: 0; color: var(--ink-300); transform: scale(1); }
  4%{ opacity: 1; }
  30%{ color: var(--ink-300); transform: scale(1); }
  31.5%{ color: var(--orange-700); transform: scale(1.12); }
  33%{ transform: scale(1); }
  45%{ color: var(--orange-700); }
  47%{ color: var(--success-700); }
  96%{ opacity: 1; color: var(--success-700); }
  100%{ opacity: 0; }
}

/* ---- Completion bar sliding up at the bottom of the window ---- */
.pd-loop-done{
  position: absolute; left: 0; right: 0; bottom: 0;
  display: flex; align-items: center; gap: 10px;
  padding: 12px 18px;
  background: var(--success-50); color: var(--success-700);
  border-top: 1px solid var(--success-500);
  font-size: var(--text-small); font-weight: 600;
  opacity: 0; transform: translateY(100%);
  animation: pd-loop-done-rise 14s linear infinite;
}
.pd-loop-done svg{ flex-shrink: 0; }
@keyframes pd-loop-done-rise{
  0%,52%{ opacity: 0; transform: translateY(100%); animation-timing-function: cubic-bezier(.2,1,.3,1); }
  56%{ opacity: 1; transform: none; }
  96%{ opacity: 1; transform: none; }
  100%{ opacity: 0; }
}
.pd-loop-done__check{
  stroke-dasharray: 100; stroke-dashoffset: 100;
  animation: pd-loop-check-draw 14s linear infinite;
}
@keyframes pd-loop-check-draw{
  0%,55%{ stroke-dashoffset: 100; }
  62%{ stroke-dashoffset: 0; }
  100%{ stroke-dashoffset: 0; }
}

/* ---- Step indicators under the window ---- */
.pd-loop-steps{
  display: flex; justify-content: center; gap: var(--space-5);
  flex-wrap: wrap; list-style: none; margin: var(--space-6) 0 0; padding: 0;
}
.pd-loop-step{
  display: flex; align-items: center; gap: 7px;
  font-size: var(--text-micro); font-weight: 600; color: var(--text-tertiary);
  white-space: nowrap;
}
.pd-loop-step i{ width: 8px; height: 8px; border-radius: 50%; background: var(--ink-200); }
.pd-loop-step--1{ animation: pd-loop-step1 14s linear infinite; }
.pd-loop-step--2{ animation: pd-loop-step2 14s linear infinite; }
.pd-loop-step--3{ animation: pd-loop-step3 14s linear infinite; }
.pd-loop-step--4{ animation: pd-loop-step4 14s linear infinite; }
.pd-loop-step--1 i{ animation: pd-loop-step1-dot 14s linear infinite; }
.pd-loop-step--2 i{ animation: pd-loop-step2-dot 14s linear infinite; }
.pd-loop-step--3 i{ animation: pd-loop-step3-dot 14s linear infinite; }
.pd-loop-step--4 i{ animation: pd-loop-step4-dot 14s linear infinite; }
@keyframes pd-loop-step1{ 0%,2%{color:var(--text-tertiary);} 4%,10%{color:var(--blue-600);} 12%,100%{color:var(--text-tertiary);} }
@keyframes pd-loop-step2{ 0%,10%{color:var(--text-tertiary);} 12%,28%{color:var(--blue-600);} 30%,100%{color:var(--text-tertiary);} }
@keyframes pd-loop-step3{ 0%,28%{color:var(--text-tertiary);} 30%,48%{color:var(--blue-600);} 50%,100%{color:var(--text-tertiary);} }
@keyframes pd-loop-step4{ 0%,48%{color:var(--text-tertiary);} 50%,96%{color:var(--blue-600);} 100%{color:var(--text-tertiary);} }
@keyframes pd-loop-step1-dot{ 0%,2%{background:var(--ink-200);} 4%,10%{background:var(--blue-600);} 12%,100%{background:var(--success-500);} }
@keyframes pd-loop-step2-dot{ 0%,10%{background:var(--ink-200);} 12%,28%{background:var(--blue-600);} 30%,100%{background:var(--success-500);} }
@keyframes pd-loop-step3-dot{ 0%,28%{background:var(--ink-200);} 30%,48%{background:var(--blue-600);} 50%,100%{background:var(--success-500);} }
@keyframes pd-loop-step4-dot{ 0%,48%{background:var(--ink-200);} 50%,96%{background:var(--blue-600);} 96.5%,100%{background:var(--ink-200);} }

/* ---- Small screens: tighten the routing panel ---- */
@media (max-width: 560px){
  .pd-loop-status{ min-width: 0; }
  .pd-loop-stage{ padding-bottom: 84px; }
  .pd-loop-row{ padding: var(--space-3); gap: var(--space-2); }
  .pd-loop-row__avatar{ width: 30px; height: 30px; font-size: 0.7rem; }
  .pd-loop-chip{ font-size: 11px; padding: .25rem .55rem; }
  .pd-loop-row__chips{ min-width: 118px; height: 22px; }
  .pd-loop-steps{ gap: var(--space-4); }
}

/* ---- Reduced motion: freeze the loop at its finished, fully-signed state
   (base.css clamps animations to a single 0.01ms run, which would land on
   the faded-out 100% frame — so the loop is switched off entirely and the
   completed state is pinned instead). ---- */
@media (prefers-reduced-motion: reduce){
  .pd-loop-live-dot,
  .pd-loop-tchip, .pd-loop-row, .pd-loop-chip, .pd-loop-route,
  .pd-loop-done, .pd-loop-done__check,
  .pd-loop-step, .pd-loop-step i{ animation: none !important; }

  .pd-loop-row{ opacity: 1; transform: none; border-left-color: var(--success-500); }
  .pd-loop-chip--r1-signed, .pd-loop-chip--r2-signed{ opacity: 1; }
  .pd-loop-tchip--sealed{ opacity: 1; }
  .pd-loop-route{ opacity: 1; color: var(--success-700); }
  .pd-loop-done{ opacity: 1; transform: none; }
  .pd-loop-done__check{ stroke-dashoffset: 0; }
  .pd-loop-step{ color: var(--text-secondary); }
  .pd-loop-step i{ background: var(--success-500); }
}