/* Survaneo — marketing site design system
   Signal orange + slate · Poppins display / Figtree body · flat, typography-led */

:root {
  --orange: #e04e08;
  --orange-dark: #c24307;
  --orange-soft: #fdf0ea;
  --ink: #0f172a;
  --ink-2: #1e293b;
  --body: #3f4652;
  --muted: #69707d;
  --faint: #9aa1ad;
  --line: #e6e8ec;
  --line-soft: #eef0f3;
  --bg: #ffffff;
  --bg-soft: #f6f7f9;
  --font-display: "Poppins", system-ui, sans-serif;
  --font-body: "Figtree", system-ui, sans-serif;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --radius: 16px;
  --wrap: 1160px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--body);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

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

/* ---------- type ---------- */
.eyebrow {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange);
}

h1, h2, h3 {
  font-family: var(--font-display);
  color: var(--ink);
  letter-spacing: -0.025em;
}

.h-display {
  font-size: clamp(2.625rem, 5.6vw, 4.25rem);
  font-weight: 600;
  line-height: 1.04;
}

.h-section {
  font-size: clamp(1.875rem, 3.6vw, 2.75rem);
  font-weight: 600;
  line-height: 1.12;
}

.lede {
  font-size: clamp(1.0625rem, 1.6vw, 1.25rem);
  line-height: 1.6;
  color: var(--body);
  max-width: 38rem;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1;
  padding: 15px 28px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.35s var(--ease), background 0.2s, box-shadow 0.35s var(--ease);
}

.btn-primary {
  background: var(--orange);
  color: #fff;
}
.btn-primary:hover {
  background: var(--orange-dark);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px -8px rgba(224, 78, 8, 0.55);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-ghost:hover { border-color: var(--ink); }

.btn-light {
  background: #fff;
  color: var(--ink);
}
.btn-light:hover { transform: translateY(-1px); box-shadow: 0 8px 24px -10px rgba(0,0,0,0.35); }

.microcopy {
  margin-top: 14px;
  font-size: 0.875rem;
  color: var(--faint);
}
.microcopy .dot { margin-inline: 8px; }

/* ---------- nav ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  transition: background 0.3s, box-shadow 0.3s, border-color 0.3s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--line-soft);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  transition: height 0.3s var(--ease);
}
.nav.scrolled .nav-inner { height: 60px; }

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1875rem;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.brand img { width: 28px; height: 28px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 34px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--ink-2);
}
.nav-links a:hover { color: var(--orange); }

.nav-cta { display: flex; align-items: center; gap: 22px; }
.nav-cta .login { font-size: 0.9375rem; font-weight: 500; color: var(--ink-2); }
.nav-cta .login:hover { color: var(--orange); }
.nav-cta .btn { padding: 11px 22px; }

@media (max-width: 820px) {
  .nav-links { display: none; }
}

/* ---------- hero ---------- */
.hero {
  padding: 176px 0 96px;
  text-align: center;
  overflow: hidden;
}
.hero .eyebrow { display: block; margin-bottom: 22px; }
.hero .h-display { max-width: 16ch; margin-inline: auto; }
.hero .lede { margin: 24px auto 0; }
.hero-cta { margin-top: 36px; }

/* prompt card cycler */
.prompt-stage {
  position: relative;
  max-width: 620px;
  height: 148px;
  margin: 64px auto 0;
}
.prompt-card {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
  padding: 26px 30px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 20px 45px -30px rgba(15, 23, 42, 0.25);
  text-align: left;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
  pointer-events: none;
}
.prompt-card.active { opacity: 1; transform: translateY(0); }
.prompt-card.leaving { opacity: 0; transform: translateY(-14px); }

.prompt-text {
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--ink);
  font-weight: 500;
  min-height: 2.6em;
}
.prompt-text .caret {
  display: inline-block;
  width: 2px;
  height: 1.05em;
  margin-left: 2px;
  vertical-align: -0.15em;
  background: var(--orange);
  animation: caret-blink 1s steps(1) infinite;
}
@keyframes caret-blink { 50% { opacity: 0; } }

.prompt-persona {
  font-size: 0.875rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 9px;
}
.prompt-persona::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--orange);
  flex: none;
}

/* persona marquee */
.marquee {
  margin-top: 72px;
  padding: 26px 0;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track {
  display: flex;
  gap: 20px;
  width: max-content;
  animation: marquee 42s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }

.marquee-card {
  flex: none;
  width: 340px;
  padding: 20px 24px;
  background: var(--bg-soft);
  border: 1px solid var(--line-soft);
  border-radius: 14px;
  text-align: left;
}
.marquee-card p {
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--ink-2);
  font-weight: 500;
}
.marquee-card span {
  display: block;
  margin-top: 10px;
  font-size: 0.8125rem;
  color: var(--muted);
}

/* ---------- sections ---------- */
.section { padding: 116px 0; }
.section-soft { background: var(--bg-soft); }
.section-head { max-width: 44rem; margin-bottom: 64px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head .eyebrow { display: block; margin-bottom: 16px; }
.section-head .lede { margin-top: 18px; }
.section-head.center .lede { margin-inline: auto; }

/* trust strip */
.trust {
  padding: 44px 0;
  border-bottom: 1px solid var(--line-soft);
}
.trust-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 18px 44px;
  text-align: center;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--ink-2);
}
.trust-item svg { flex: none; color: var(--orange); }

/* use-case rows */
.case-row {
  display: grid;
  grid-template-columns: 5fr 6fr;
  gap: clamp(40px, 6vw, 88px);
  align-items: center;
  padding: 56px 0;
}
.case-row + .case-row { border-top: 1px solid var(--line-soft); }
.case-row.flip .case-copy { order: 2; }
.case-row.flip .case-media { order: 1; }

.case-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.6vw, 2.125rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--ink);
}
.case-title em {
  font-style: normal;
  color: var(--orange);
}
.case-copy p { margin-top: 18px; max-width: 30rem; }

.case-media {
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  background: var(--bg-soft);
  box-shadow: 0 30px 60px -40px rgba(15, 23, 42, 0.35);
}
.case-media video, .case-media img { width: 100%; height: auto; aspect-ratio: 8 / 5; object-fit: cover; }

@media (max-width: 880px) {
  .case-row { grid-template-columns: 1fr; gap: 28px; padding: 44px 0; }
  .case-row.flip .case-copy { order: 1; }
  .case-row.flip .case-media { order: 2; }
}

/* capability grid */
.cap-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.cap-card {
  padding: 26px 24px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform 0.4s var(--ease), border-color 0.25s, box-shadow 0.4s var(--ease);
}
.cap-card:hover {
  transform: translateY(-3px);
  border-color: #f3c4ab;
  box-shadow: 0 18px 36px -28px rgba(224, 78, 8, 0.35);
}
.cap-card svg { color: var(--orange); }
.cap-card h3 {
  margin-top: 16px;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.cap-card p {
  margin-top: 7px;
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--muted);
}

@media (max-width: 980px) { .cap-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .cap-grid { grid-template-columns: 1fr; } }

/* how it works */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  counter-reset: step;
}
.step {
  position: relative;
  padding: 28px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}
.step-num {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--orange);
  letter-spacing: 0.08em;
}
.step h3 { margin-top: 12px; font-size: 1.0625rem; font-weight: 600; }
.step p { margin-top: 8px; font-size: 0.9rem; color: var(--muted); line-height: 1.55; }

@media (max-width: 980px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .steps { grid-template-columns: 1fr; } }

/* dark trust block */
.dark-block {
  background: var(--ink);
  border-radius: 28px;
  padding: clamp(48px, 7vw, 88px);
  color: #cbd5e1;
  overflow: hidden;
  position: relative;
}
.dark-block::after {
  content: "";
  position: absolute;
  right: -140px;
  top: -140px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  border: 1px solid rgba(224, 78, 8, 0.35);
}
.dark-block::before {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  border: 1px solid rgba(224, 78, 8, 0.5);
}
.dark-block .h-section { color: #fff; max-width: 18ch; }
.dark-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: end;
}
.dark-list { display: grid; gap: 18px; }
.dark-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  font-size: 1rem;
  line-height: 1.5;
  color: #e2e8f0;
}
.dark-list svg { flex: none; margin-top: 3px; color: var(--orange); }
.dark-stat {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  color: #fff;
  line-height: 1;
}
.dark-stat-label { margin-top: 12px; font-size: 0.9375rem; color: #94a3b8; max-width: 24rem; }

@media (max-width: 880px) { .dark-grid { grid-template-columns: 1fr; align-items: start; } }

/* stats band */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}
.stat-num {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 5vw, 4rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--ink);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.stat-label { margin-top: 10px; font-size: 0.9375rem; color: var(--muted); }

@media (max-width: 760px) { .stats { grid-template-columns: repeat(2, 1fr); gap: 36px 20px; } }

/* closing lockup */
.lockup { overflow: hidden; padding: 40px 0 8px; }
.lockup-track {
  display: flex;
  gap: 64px;
  width: max-content;
  animation: marquee 30s linear infinite;
}
.lockup-line {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 4rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  white-space: nowrap;
  color: var(--ink);
}
.lockup-line.outline {
  color: transparent;
  -webkit-text-stroke: 1px var(--faint);
}
.lockup-line.accent { color: var(--orange); }

.closing { text-align: center; padding: 72px 0 128px; }
.closing .h-section { max-width: 20ch; margin-inline: auto; }
.closing .hero-cta { margin-top: 32px; }

/* ---------- footer ---------- */
.footer {
  background: var(--ink);
  color: #94a3b8;
  padding: 72px 0 40px;
  font-size: 0.9375rem;
}
.footer-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.15);
}
.footer .brand { color: #fff; }
.footer-cols { display: flex; gap: 88px; flex-wrap: wrap; }
.footer-col h4 {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #64748b;
  margin-bottom: 16px;
}
.footer-col ul { display: grid; gap: 10px; }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 32px;
  font-size: 0.875rem;
  color: #64748b;
}

/* ---------- signup forms ---------- */
.signup-form {
  display: flex;
  gap: 10px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}
.hero-cta .signup-form { margin-top: 0; }
.signup-input {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  padding: 14px 22px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  min-width: 260px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.signup-input::placeholder { color: var(--faint); }
.signup-input:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(224, 78, 8, 0.12);
}
.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.signup-success {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 26px;
  border: 1px solid #cfe6d8;
  background: #f2faf5;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--ink);
}
.signup-success svg { color: #2d7a4f; flex: none; }
.signup-error {
  width: 100%;
  margin-top: 4px;
  font-size: 0.875rem;
  color: #b3261e;
  text-align: center;
}
.text-link { color: var(--orange); font-weight: 600; }
.text-link:hover { text-decoration: underline; }

/* plan-card form stacks */
.plan-card .signup-form { flex-direction: column; align-items: stretch; }
.plan-card .signup-input { width: 100%; min-width: 0; text-align: center; }

@media (max-width: 540px) {
  .signup-form { flex-direction: column; align-items: stretch; }
  .signup-input { width: 100%; min-width: 0; }
}

/* ---------- reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal.in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 0.08s; }
.reveal[data-delay="2"] { transition-delay: 0.16s; }
.reveal[data-delay="3"] { transition-delay: 0.24s; }

/* ---------- 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;
  }
  .reveal { opacity: 1; transform: none; }
  .prompt-card { position: static; opacity: 1; transform: none; margin-bottom: 12px; pointer-events: auto; }
  .prompt-stage { height: auto; }
  .marquee-track, .lockup-track { animation: none; }
  .prompt-text .caret { display: none; }
}

/* no-JS: everything visible, first prompt card shown */
.no-js .reveal { opacity: 1; transform: none; }
.no-js .prompt-card:first-child { opacity: 1; transform: none; }
.no-js .marquee-track, .no-js .lockup-track { animation: none; }