/* ============================================================
   Strand — genomic AI hero
   Reference: light marble scene, bio-digital DNA helix left,
   expanded-grotesk display type right, orange & purple accents
   ============================================================ */

:root {
  --bg: #f8f8fa;
  --bg-rgb: 248, 248, 250;
  --ink: #0f0f12;
  --ink-soft: #3e3e46;
  --orange: #ee9420;
  --purple: #6d5ae6;
  --card-border: rgba(255, 255, 255, 0.65);
  --nav-h: 72px;
  --shadow-soft: 0 18px 44px rgba(20, 20, 35, 0.09);
}

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

html, body { height: 100%; }

body {
  font-family: "Inter", system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(238, 148, 32, 0.3); }

a { color: inherit; text-decoration: none; }

:focus-visible { outline: 2px solid var(--purple); outline-offset: 3px; border-radius: 4px; }

/* ---------- floating nav ---------- */

.nav {
  position: absolute;
  top: clamp(14px, 2.2vh, 24px);
  left: clamp(14px, 1.8vw, 28px);
  right: clamp(14px, 1.8vw, 28px);
  height: var(--nav-h);
  z-index: 10;
  display: flex;
  align-items: center;
  padding: 0 12px 0 26px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 12px;
  box-shadow: 0 12px 34px rgba(20, 20, 35, 0.07);
  animation: navDown 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.15s both;
}

.logo {
  font-size: 27px;
  font-weight: 650;
  letter-spacing: -0.03em;
}

.nav-links {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: clamp(20px, 2.4vw, 38px);
}

.nav-links a {
  font-size: 16.5px;
  font-weight: 500;
  transition: opacity 0.25s;
}

.nav-links a:hover { opacity: 0.55; }

.nav-actions {
  margin-left: auto;
  display: flex;
  gap: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  height: 48px;
  padding: 0 24px;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 550;
  transition: transform 0.25s, box-shadow 0.25s, background 0.25s;
}

.btn-ghost {
  background: #fff;
  box-shadow: inset 0 0 0 1px #e9e9ee, 0 4px 14px rgba(20, 20, 35, 0.05);
}

.btn-ghost:hover { box-shadow: inset 0 0 0 1px #d9d9e2, 0 6px 18px rgba(20, 20, 35, 0.09); }

.btn-dark {
  background: var(--ink);
  color: #fff;
}

.btn-dark:hover { background: #26262e; transform: translateY(-1px); }

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

.hero {
  position: relative;
  height: 100svh;
  min-height: 720px;
  overflow: hidden;
}

.hero-video {
  position: absolute;
  inset: -1.5%;
  width: 103%;
  height: 103%;
  object-fit: cover;
  object-position: 32% 50%;
  z-index: 0;
  animation: videoIn 1.6s ease both;
}

/* white wash keeps the type side readable through the macro zoom passage */
.hero-wash {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(ellipse 58% 46% at 72% 42%, rgba(var(--bg-rgb), 0.62), transparent 72%),
    linear-gradient(90deg,
      rgba(var(--bg-rgb), 0) 0%,
      rgba(var(--bg-rgb), 0) 36%,
      rgba(var(--bg-rgb), 0.38) 50%,
      rgba(var(--bg-rgb), 0.76) 62%,
      rgba(var(--bg-rgb), 0.9) 74%,
      rgba(var(--bg-rgb), 0.93) 100%),
    linear-gradient(180deg, transparent 84%, rgba(var(--bg-rgb), 0.5) 100%);
}

/* faint paper grain so the washed side keeps texture */
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: 0.16;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
}

/* ---------- right column ---------- */

.hero-content {
  position: relative;
  z-index: 3;
  height: 100%;
  margin-left: 46.5%;
  width: 51%;
  display: flex;
  flex-direction: column;
  padding: calc(var(--nav-h) + clamp(28px, 7.5vh, 84px) + 24px) 3vw 0 0;
}

/* ---------- icon cluster ---------- */

.icon-cluster {
  display: inline-flex;
  align-self: flex-start;
  align-items: center;
  padding: 7px;
  background: #fff;
  border-radius: 999px;
  box-shadow: var(--shadow-soft);
  margin-bottom: clamp(20px, 4.5vh, 46px);
}

.icon-dot {
  display: grid;
  place-items: center;
  width: 47px;
  height: 47px;
  border-radius: 50%;
  color: #fff;
  border: 2.5px solid #fff;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.icon-dot svg { width: 22px; height: 22px; }

.icon-dot--orange { background: var(--orange); z-index: 3; }
.icon-dot--black  { background: #131316; z-index: 2; margin-left: -8px; }
.icon-dot--purple { background: var(--purple); z-index: 1; margin-left: -8px; }

.icon-dot:hover { transform: translateY(-4px); }

/* ---------- headline ---------- */

.headline {
  font-family: "Archivo", "Inter", sans-serif;
  font-weight: 560;
  font-stretch: 112%;
  font-size: clamp(2.4rem, 5.05vw, 5.85rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.headline .line {
  display: flex;
  align-items: center;
  gap: 0.26em;
  white-space: nowrap;
}

/* orange starburst */
.star {
  width: 0.6em;
  height: 0.6em;
  color: var(--orange);
  flex: none;
  animation: starSpin 36s linear infinite;
}

/* black pill with travelling arrows */
.arrows-pill {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 0.1em;
  height: 0.72em;
  padding: 0 0.27em;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
}

.arrows-pill .a { width: 0.36em; height: auto; }

.a1 { animation: arrowGlow 1.7s ease-in-out infinite; }
.a2 { animation: arrowGlow 1.7s ease-in-out 0.28s infinite; }
.a3 { animation: arrowGlow 1.7s ease-in-out 0.56s infinite; }

/* white pill + purple go button */
.go-pill {
  flex: none;
  display: inline-flex;
  align-items: center;
  height: 0.74em;
  width: 1.62em;
  padding: 0.08em;
  border-radius: 999px;
  background: #fff;
  box-shadow: 0 14px 34px rgba(20, 20, 35, 0.14);
}

.go-circle {
  display: grid;
  place-items: center;
  height: 100%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--purple);
  color: #fff;
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.go-circle svg { width: 45%; }

.go-pill:hover .go-circle { transform: translateX(0.88em); }

/* ---------- CTA row ---------- */

.cta-row {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2vw, 34px);
  margin-top: clamp(26px, 5vh, 56px);
  flex-wrap: wrap;
}

.btn-learn {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  padding: 18px 27px;
  background: var(--ink);
  color: #fff;
  font-size: 17px;
  font-weight: 550;
  border-radius: 10px;
  transition: background 0.25s, transform 0.25s;
}

.btn-learn svg { width: 20px; transition: transform 0.3s; }

.btn-learn:hover { background: #26262e; transform: translateY(-2px); }
.btn-learn:hover svg { transform: translateX(4px); }

.cta-note {
  font-size: 16.5px;
  color: var(--ink);
  max-width: 30em;
}

.cta-note strong { font-weight: 750; }

/* ---------- signature + paragraph ---------- */

.hero-foot {
  margin-top: auto;
  padding-bottom: clamp(26px, 4.5vh, 52px);
}

.signature {
  display: block;
  width: clamp(150px, 13.5vw, 225px);
  margin: 0 5% -8px auto;
  stroke: #e5a03c;
  stroke-width: 6;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.95;
  transform: rotate(-4deg);
}

.signature path {
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  animation: draw 1.7s ease 1.15s forwards;
}

.hero-copy {
  font-size: clamp(16px, 1.25vw, 19px);
  line-height: 1.55;
  color: #232329;
  max-width: 40em;
}

/* ---------- glass stat cards ---------- */

.stat-card {
  position: absolute;
  width: clamp(270px, 17.5vw, 345px);
  z-index: 3;
}

.stat-card--1 { left: 5%; top: 38%; }
.stat-card--2 { left: 23.5%; top: 65.5%; }

.stat-inner {
  padding: clamp(20px, 1.6vw, 30px);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.42);
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(14px) saturate(1.15);
  -webkit-backdrop-filter: blur(14px) saturate(1.15);
}

.stat-card--1 .stat-inner { animation: cardIn 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.55s both, floatA 7s ease-in-out 2.2s infinite; }
.stat-card--2 .stat-inner { animation: cardIn 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.75s both, floatB 8.5s ease-in-out 2.6s infinite; }

.stat-label {
  font-size: 15px;
  font-weight: 550;
  margin-bottom: clamp(14px, 2.4vh, 30px);
}

.stat-value {
  font-family: "Archivo", sans-serif;
  font-stretch: 108%;
  font-size: clamp(44px, 3.4vw, 62px);
  font-weight: 620;
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: clamp(14px, 2.4vh, 30px);
}

.plus--orange { color: var(--orange); }
.plus--purple { color: var(--purple); }

.stat-caption {
  font-size: 15.5px;
  line-height: 1.4;
  color: var(--ink-soft);
}

/* compact stat chips — mobile only */
.stat-strip { display: none; }

.chip {
  flex: 1 1 150px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(12px) saturate(1.15);
  -webkit-backdrop-filter: blur(12px) saturate(1.15);
}

.chip-num {
  font-family: "Archivo", sans-serif;
  font-stretch: 108%;
  font-size: 34px;
  font-weight: 620;
  letter-spacing: -0.02em;
  line-height: 1;
}

.chip-label {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink-soft);
}

/* ---------- entrance animations ---------- */

.reveal { animation: rise 0.85s cubic-bezier(0.22, 1, 0.36, 1) both; }

.r-1 { animation-delay: 0.3s; }
.r-2 { animation-delay: 0.42s; }
.r-3 { animation-delay: 0.54s; }
.r-4 { animation-delay: 0.66s; }
.r-5 { animation-delay: 0.82s; }
.r-6 { animation-delay: 1s; }
.r-7 { animation-delay: 1.05s; }

@keyframes rise {
  from { opacity: 0; transform: translateY(26px); }
  to   { opacity: 1; transform: none; }
}

@keyframes navDown {
  from { opacity: 0; transform: translateY(-18px); }
  to   { opacity: 1; transform: none; }
}

@keyframes videoIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes cardIn {
  from { opacity: 0; transform: translateY(30px) scale(0.96); }
  to   { opacity: 1; transform: none; }
}

@keyframes floatA {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-9px); }
}

@keyframes floatB {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-12px); }
}

@keyframes starSpin { to { transform: rotate(360deg); } }

@keyframes arrowGlow {
  0%, 100% { opacity: 0.25; }
  35%      { opacity: 1; }
}

@keyframes draw { to { stroke-dashoffset: 0; } }

/* ---------- responsive ---------- */

@media (max-width: 1250px) {
  .stat-card--2 { left: 19%; top: 67%; }
}

@media (max-width: 1060px) {
  .nav-links { display: none; }
  .hero-content { margin-left: 40%; width: 57%; }
  .headline { font-size: clamp(2.3rem, 6vw, 4.6rem); }
  .stat-card { width: clamp(240px, 26vw, 290px); }
  .stat-card--1 { left: 4%; top: 34%; }
  .stat-card--2 { left: 10%; top: 63%; }
}

@media (max-width: 780px) {
  .hero { min-height: 100svh; height: auto; }

  .hero-video { object-position: 30% 50%; }

  .hero-wash {
    background:
      linear-gradient(180deg,
        rgba(var(--bg-rgb), 0.1) 0%,
        rgba(var(--bg-rgb), 0.55) 34%,
        rgba(var(--bg-rgb), 0.85) 52%,
        rgba(var(--bg-rgb), 0.92) 100%);
  }

  .hero-content {
    margin-left: 6%;
    width: 88%;
    padding-top: calc(var(--nav-h) + 46px);
  }

  .headline { font-size: clamp(2.1rem, 8.8vw, 3.3rem); }
  .headline .line { white-space: normal; flex-wrap: wrap; }

  /* swap floating glass cards for compact in-flow chips */
  .stat-card { display: none; }

  .stat-strip {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 28px;
  }

  .hero-foot { margin-top: 34px; padding-bottom: 40px; }

  .signature { width: 150px; margin-right: 0; }

  .btn { height: 44px; padding: 0 18px; font-size: 15px; }
  .logo { font-size: 23px; }
  .nav { padding: 0 10px 0 18px; }
}

@media (max-width: 430px) {
  .btn-ghost { display: none; }
  .stat-value { font-size: 40px; }
}

/* ============================================================
   PAGE SECTIONS (About / Platform / Research / Pricing / Help)
   ============================================================ */

html { scroll-behavior: smooth; }
section[id], footer[id] { scroll-margin-top: 100px; }

.container { width: min(1180px, 92vw); margin-inline: auto; }

.section { padding: clamp(64px, 9vh, 130px) 0; }
.section--alt { background: #ffffff; }
.section--dark { background: var(--ink); color: #fff; }

/* shared heading kit */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 20px;
}
.eyebrow-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(238, 148, 32, 0.18);
}
.eyebrow--light { color: rgba(255, 255, 255, 0.72); }

.section-title {
  font-family: "Archivo", sans-serif;
  font-stretch: 108%;
  font-weight: 600;
  font-size: clamp(1.9rem, 3.4vw, 3rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.section-sub {
  margin-top: 18px;
  font-size: clamp(16px, 1.2vw, 19px);
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 46ch;
}
.section--dark .section-sub { color: rgba(255, 255, 255, 0.66); }

.section-head { max-width: 660px; margin-bottom: clamp(40px, 6vh, 68px); }
.section--dark .section-head { margin-inline: auto; text-align: center; }
.section--dark .section-head .section-sub { margin-inline: auto; }

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(32px, 5vw, 80px);
  align-items: start;
}
.about-body p {
  font-size: clamp(17px, 1.35vw, 21px);
  line-height: 1.62;
  color: #232329;
}
.about-body em { font-style: italic; color: var(--ink); }
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: clamp(32px, 5vh, 52px);
}
.pillar {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 22px;
  border-top: 2px solid #e8e8ee;
}
.pillar-num {
  font-family: "Archivo", sans-serif;
  font-stretch: 108%;
  font-weight: 640;
  font-size: clamp(30px, 3vw, 42px);
  letter-spacing: -0.02em;
  line-height: 1;
}
.pillar-num .unit { color: var(--orange); font-size: 0.6em; margin-left: 2px; }
.pillar:nth-child(2) .unit { color: var(--purple); }
.pillar-label { font-size: 15px; line-height: 1.45; color: var(--ink-soft); }

/* ---------- Platform / features ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 1.6vw, 24px);
}
.feature-card {
  padding: clamp(26px, 2.2vw, 36px);
  background: #fbfbfd;
  border: 1px solid #ececf2;
  border-radius: 20px;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}
.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-soft);
  border-color: transparent;
}
.feature-icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  margin-bottom: 22px;
  color: #fff;
}
.feature-icon svg { width: 26px; height: 26px; }
.feature-icon--orange { background: var(--orange); }
.feature-icon--purple { background: var(--purple); }
.feature-icon--dark { background: var(--ink); }
.feature-card h3 {
  font-size: 20px;
  font-weight: 650;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.feature-card p { font-size: 15.5px; line-height: 1.55; color: var(--ink-soft); }

/* ---------- Research (dark band) ---------- */
.research-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(20px, 3vw, 40px);
  padding: clamp(28px, 4vh, 44px) 0;
  border-block: 1px solid rgba(255, 255, 255, 0.14);
  text-align: center;
}
.metric-num {
  display: block;
  font-family: "Archivo", sans-serif;
  font-stretch: 108%;
  font-weight: 640;
  font-size: clamp(32px, 3.6vw, 52px);
  letter-spacing: -0.02em;
}
.metric:nth-child(odd) .metric-num { color: var(--orange); }
.metric:nth-child(even) .metric-num { color: #fff; }
.metric-label { margin-top: 8px; font-size: 14.5px; color: rgba(255, 255, 255, 0.62); }
.research-quote {
  margin: clamp(40px, 6vh, 64px) auto 0;
  max-width: 820px;
  font-family: "Archivo", sans-serif;
  font-stretch: 104%;
  font-weight: 500;
  font-size: clamp(20px, 2.4vw, 30px);
  line-height: 1.4;
  letter-spacing: -0.01em;
  text-align: center;
}
.research-quote cite {
  display: block;
  margin-top: 22px;
  font-family: "Inter", sans-serif;
  font-style: normal;
  font-size: 15px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0;
}

/* ---------- Pricing ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 1.6vw, 24px);
  align-items: start;
}
.price-card {
  position: relative;
  padding: clamp(28px, 2.4vw, 40px);
  background: #fff;
  border: 1px solid #ececf2;
  border-radius: 22px;
  box-shadow: 0 10px 30px rgba(20, 20, 35, 0.05);
}
.price-card--featured {
  border-color: transparent;
  box-shadow: 0 24px 60px rgba(109, 90, 230, 0.18);
  outline: 2px solid var(--purple);
}
.price-badge {
  position: absolute;
  top: -13px;
  left: clamp(28px, 2.4vw, 40px);
  padding: 6px 14px;
  background: var(--purple);
  color: #fff;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: 999px;
}
.price-name { font-size: 17px; font-weight: 650; }
.price-desc { margin-top: 6px; font-size: 14.5px; line-height: 1.4; color: var(--ink-soft); min-height: 2.9em; }
.price-amount { display: flex; align-items: baseline; gap: 7px; margin: 22px 0; font-family: "Archivo", sans-serif; }
.price-amount .amt { font-stretch: 108%; font-weight: 660; font-size: clamp(34px, 3.4vw, 46px); letter-spacing: -0.02em; }
.price-amount .per { font-family: "Inter", sans-serif; font-size: 15px; color: var(--ink-soft); }
.price-list { list-style: none; display: flex; flex-direction: column; gap: 13px; margin: 24px 0 30px; }
.price-list li { display: flex; align-items: flex-start; gap: 11px; font-size: 15px; line-height: 1.4; }
.price-list svg { flex: none; width: 18px; height: 18px; margin-top: 1px; color: var(--orange); }
.price-card--featured .price-list svg { color: var(--purple); }
.price-cta {
  display: block;
  text-align: center;
  padding: 15px;
  border-radius: 11px;
  font-size: 15.5px;
  font-weight: 600;
  transition: background 0.25s, transform 0.25s, box-shadow 0.25s;
}
.price-cta--dark { background: var(--ink); color: #fff; }
.price-cta--dark:hover { background: #26262e; transform: translateY(-2px); }
.price-cta--purple { background: var(--purple); color: #fff; }
.price-cta--purple:hover { background: #5c49d6; transform: translateY(-2px); box-shadow: 0 12px 26px rgba(109, 90, 230, 0.35); }
.price-cta--ghost { background: #fff; box-shadow: inset 0 0 0 1px #e4e4ec; }
.price-cta--ghost:hover { box-shadow: inset 0 0 0 1px #cfcfda; }

/* ---------- FAQ ---------- */
.faq { max-width: 840px; }
.faq-item { border-bottom: 1px solid #e6e6ee; }
.faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 24px 0;
  font-size: clamp(17px, 1.5vw, 20px);
  font-weight: 600;
  letter-spacing: -0.01em;
  cursor: pointer;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-icon { flex: none; position: relative; width: 22px; height: 22px; }
.faq-icon::before, .faq-icon::after {
  content: "";
  position: absolute;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s, background 0.3s;
}
.faq-icon::before { top: 10px; left: 2px; width: 18px; height: 2px; }
.faq-icon::after { left: 10px; top: 2px; width: 2px; height: 18px; }
.faq-item[open] .faq-icon::after { transform: rotate(90deg); opacity: 0; }
.faq-item[open] .faq-icon::before { background: var(--orange); }
.faq-answer { padding: 0 44px 26px 0; font-size: 16px; line-height: 1.62; color: var(--ink-soft); }
.faq-item[open] .faq-answer { animation: fadeSlide 0.4s ease; }

@keyframes fadeSlide {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: none; }
}

/* ---------- Footer ---------- */
.footer { background: var(--ink); color: #fff; padding: clamp(56px, 8vh, 90px) 0 38px; }
.footer-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding-bottom: clamp(44px, 6vh, 64px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.footer-cta h2 {
  font-family: "Archivo", sans-serif;
  font-stretch: 108%;
  font-weight: 600;
  font-size: clamp(1.7rem, 3vw, 2.6rem);
  letter-spacing: -0.02em;
  line-height: 1.05;
}
.btn-light {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 17px 28px;
  background: #fff;
  color: var(--ink);
  border-radius: 11px;
  font-weight: 600;
  font-size: 16px;
  transition: transform 0.25s, box-shadow 0.25s;
}
.btn-light svg { width: 19px; }
.btn-light:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(255, 255, 255, 0.16); }
.footer-cols {
  display: grid;
  grid-template-columns: 1.6fr repeat(4, 1fr);
  gap: clamp(28px, 3vw, 48px);
  padding: clamp(44px, 6vh, 64px) 0;
}
.footer-brand .logo { color: #fff; }
.footer-brand p { margin-top: 16px; font-size: 15px; line-height: 1.55; color: rgba(255, 255, 255, 0.6); max-width: 32ch; }
.footer-col h4 {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 14px;
}
.footer-col a { display: block; padding: 7px 0; font-size: 15px; color: rgba(255, 255, 255, 0.8); transition: color 0.2s; }
.footer-col a:hover { color: var(--orange); }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: space-between;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
}
.footer-dot { color: var(--orange); }

/* ---------- scroll reveal ---------- */
.reveal-pre { opacity: 0; transform: translateY(26px); }
.reveal-in {
  opacity: 1;
  transform: none;
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- section responsive ---------- */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 460px; margin-inline: auto; }
  .price-card--featured { order: -1; }
  .research-metrics { grid-template-columns: 1fr 1fr; gap: 30px 20px; }
  .footer-cols { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 560px) {
  .pillars { grid-template-columns: 1fr; gap: 22px; }
  .feature-grid { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: 1fr 1fr; gap: 24px 20px; }
  .footer-cta { flex-direction: column; align-items: flex-start; }
}

/* ---------- reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .signature path { stroke-dashoffset: 0; }
  .reveal-pre { opacity: 1; transform: none; }
}

/* TEMP-SHOOT */
.hero{height:820px !important;min-height:0 !important;}