:root {
  --sand: #f3efe6;
  --paper: #faf8f4;
  --warm-stone: #e5dcc8;
  --cool-mist: #e4f0ee;
  --ink: #1c1917;
  --muted: #6a6258;
  --line: rgba(28, 25, 23, 0.12);
  --accent: #d4a574;
  --teal: #0f7a72;
  --teal-soft: #5eb8ad;
  --indigo: #5c5a8a;
  --amber: #b86a2a;
  --deep: #2a3432;
  --deep-elevated: #384442;
  --surface-dark: #3f3a34;
  --on-deep: #f4efe6;
  --font: "IBM Plex Sans", system-ui, sans-serif;
  --display: "Syne", system-ui, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--sand);
  line-height: 1.5;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }

/* —— header (unchanged language) —— */
.top {
  position: fixed;
  inset: 0 0 auto;
  z-index: 40;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.1rem 1.4rem;
  mix-blend-mode: difference;
  color: #fff;
}

.logo img {
  height: 26px;
  width: auto;
  filter: invert(1);
}

.top-right {
  display: flex;
  gap: 1rem;
  align-items: center;
  font-weight: 600;
  font-size: 0.92rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  border: 1px solid currentColor;
  background: transparent;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.25s var(--ease), background 0.2s ease;
}

.btn:hover { transform: translateY(-1px); }

.btn-fill {
  background: var(--teal);
  color: #fff;
  border-color: var(--teal);
}

.btn-fill:hover { background: #0c655e; }

/* —— hero (keep) —— */
.hero {
  position: relative;
  min-height: 100vh;
  padding: 5.5rem 1.4rem 2rem;
  overflow: hidden;
  background:
    radial-gradient(circle at 12% 18%, rgba(15, 122, 114, 0.22), transparent 42%),
    radial-gradient(circle at 88% 12%, rgba(212, 165, 116, 0.35), transparent 38%),
    radial-gradient(circle at 72% 88%, rgba(92, 90, 138, 0.14), transparent 40%),
    var(--sand);
}

.mega {
  position: absolute;
  left: 50%;
  top: 42%;
  transform: translate(-50%, -50%);
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(7rem, 28vw, 22rem);
  letter-spacing: -0.07em;
  line-height: 0.8;
  color: transparent;
  -webkit-text-stroke: 2px rgba(20, 17, 15, 0.18);
  user-select: none;
  pointer-events: none;
  white-space: nowrap;
}

.hero-pills {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  justify-content: center;
  margin-top: 18vh;
}

.pill {
  padding: 0.7rem 1rem;
  border-radius: 999px;
  background: rgba(255, 252, 245, 0.88);
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 600;
  backdrop-filter: blur(8px);
  border: 1px solid rgba(28, 25, 23, 0.1);
  box-shadow: 0 10px 28px rgba(28, 25, 23, 0.08);
}

.pill:nth-child(1) { border-color: rgba(15, 122, 114, 0.35); background: rgba(228, 240, 238, 0.92); }
.pill:nth-child(2) { border-color: rgba(184, 106, 42, 0.28); }
.pill:nth-child(3) { border-color: rgba(92, 90, 138, 0.25); background: rgba(244, 242, 250, 0.9); }

.hero-bottom {
  position: relative;
  z-index: 2;
  margin-top: 18vh;
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 900px) {
  .hero-bottom {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: end;
  }
}

.eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero h1,
.band-head h2,
.examples-head h2,
.integrations-head h2,
.cases-head h2,
.contact-copy h2 {
  margin: 0;
  font-family: var(--display);
  font-weight: 750;
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  max-width: 10ch;
}

.hero h1 em {
  font-style: normal;
  color: var(--teal);
}

.hero-side p {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 1.05rem;
}

/* —— reveal —— */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

/* —— band / modules —— */
.band {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1.6rem;
  padding: 5rem 0 3rem;
  background:
    radial-gradient(ellipse 55% 45% at 8% 15%, rgba(15, 122, 114, 0.35), transparent 58%),
    radial-gradient(ellipse 45% 40% at 92% 75%, rgba(212, 165, 116, 0.18), transparent 55%),
    linear-gradient(168deg, #323d3a 0%, var(--deep) 48%, #242e2c 100%);
  color: var(--on-deep);
  box-sizing: border-box;
  position: relative;
}

.band::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(203, 184, 150, 0.35), transparent);
}

.band-head {
  width: min(100% - 2.4rem, 1100px);
  margin: 0 auto;
}

.band-meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.35rem;
}

.band .eyebrow { color: var(--teal-soft); margin: 0; }

.band-count {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(244, 239, 230, 0.45);
  font-weight: 600;
}

.band-head h2 {
  font-size: clamp(1.9rem, 3.4vw, 2.85rem);
  max-width: 16ch;
}

.carousel {
  position: relative;
  width: min(100%, 1280px);
  margin: 0 auto;
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  min-height: 0;
  padding: 0 3.2rem;
}

.track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(300px, 88vw);
  gap: 1.1rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  padding: 0.5rem 0 1rem;
  width: 100%;
  overscroll-behavior-x: contain;
}

.track::-webkit-scrollbar { display: none; }

@media (min-width: 900px) {
  .track { grid-auto-columns: minmax(540px, 64%); }
}

.slide {
  scroll-snap-align: center;
  border-radius: 22px;
  padding: 1.15rem 1.15rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  overflow: hidden;
  position: relative;
  background: linear-gradient(155deg, var(--deep-elevated) 0%, #2f3a38 100%);
  border: 1px solid rgba(244, 239, 230, 0.14);
  color: var(--on-deep);
  transition: border-color 0.35s ease, transform 0.35s var(--ease), box-shadow 0.35s ease;
  box-shadow: 0 22px 48px rgba(0, 0, 0, 0.28);
}

.slide:hover {
  border-color: rgba(94, 184, 173, 0.45);
  transform: translateY(-2px);
}

.slide-top {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
}

.slide-num {
  margin: 0;
  font-family: var(--display);
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--accent);
  flex: 0 0 auto;
}

.slide h3 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.4rem;
  letter-spacing: -0.03em;
}

.slide > p:not(.slide-num) {
  margin: 0 0 0.45rem;
  color: rgba(244, 239, 230, 0.68);
  font-size: 0.95rem;
}

.slide .shot {
  margin-top: 0.15rem;
  border-radius: 12px;
  overflow: hidden;
  background: #fafaf9;
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 1px solid rgba(28, 25, 23, 0.08);
}

.slide .shot img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center top;
  background: #fafaf9;
}

.nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 0;
  background: var(--teal);
  color: #fff;
  font-size: 1.1rem;
  cursor: pointer;
  flex-shrink: 0;
  transition: transform 0.25s var(--ease), filter 0.2s ease;
}

.nav-btn:hover { transform: translateY(-50%) scale(1.06); }
.nav-btn.prev { left: 0; }
.nav-btn.next { right: 0; }

/* —— mobile app —— */
.mobile {
  padding: 5rem 0 4.8rem;
  background:
    radial-gradient(ellipse 50% 45% at 12% 30%, rgba(92, 90, 138, 0.12), transparent 55%),
    radial-gradient(ellipse 40% 50% at 88% 70%, rgba(15, 122, 114, 0.14), transparent 58%),
    var(--paper);
  overflow: hidden;
}

.mobile .eyebrow { color: var(--indigo); }

.mobile-stage {
  width: min(100% - 2.4rem, 1100px);
  margin: 0 auto;
  display: grid;
  gap: 2.4rem;
  align-items: center;
}

@media (min-width: 900px) {
  .mobile-stage {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 3rem;
  }
}

.mobile-lead {
  margin: 0.9rem 0 0;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.5;
  max-width: 34ch;
  transition: opacity 0.28s ease;
}

.mobile-intro h2 {
  margin: 0;
  font-family: var(--display);
  font-weight: 750;
  letter-spacing: -0.04em;
  line-height: 1.05;
  font-size: clamp(2rem, 4vw, 3rem);
  max-width: 12ch;
  transition: opacity 0.28s ease;
}

.mobile-intro h2.is-swap,
.mobile-lead.is-swap {
  opacity: 0;
}

.phone-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 1.5rem;
  max-width: 34rem;
}

.phone-tabs button {
  border: 1px solid rgba(20, 17, 15, 0.12);
  background: rgba(255, 255, 255, 0.55);
  color: var(--ink);
  border-radius: 999px;
  padding: 0.45rem 0.8rem;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.phone-tabs button.is-on {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.mobile-more {
  margin: 1.4rem 0 0;
  max-width: 28rem;
  font-size: 0.95rem;
  line-height: 1.45;
  color: var(--muted);
  border-top: 1px solid rgba(20, 17, 15, 0.1);
  padding-top: 1rem;
}

.phone-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.phone-device {
  width: min(100%, 290px);
  aspect-ratio: 340 / 700;
  border-radius: 38px;
  overflow: hidden;
  background: transparent;
  box-shadow: 0 30px 60px rgba(20, 17, 15, 0.22);
  isolation: isolate;
}

.phone-device img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center top;
  opacity: 1;
  transition: opacity 0.28s ease;
}

.phone-device img.is-swap {
  opacity: 0;
}

/* —— integrations —— */
.integrations {
  padding: 5.5rem 0 4.5rem;
  background:
    radial-gradient(circle at 8% 90%, rgba(15, 122, 114, 0.12), transparent 45%),
    var(--cool-mist);
  overflow: hidden;
  position: relative;
}

.integrations .eyebrow { color: var(--teal); }

.integrations::after {
  content: "";
  position: absolute;
  right: -8%;
  top: 18%;
  width: 42vw;
  max-width: 520px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(15, 122, 114, 0.1), transparent 68%);
  pointer-events: none;
}

.integrations-head {
  width: min(100% - 2.4rem, 1100px);
  margin: 0 auto 2.2rem;
  position: relative;
  z-index: 1;
}

.integrations-head h2,
.examples-head h2,
.cases-head h2 {
  font-size: clamp(1.9rem, 3.3vw, 2.7rem);
  max-width: 16ch;
}

.integrations-lead {
  margin: 0.85rem 0 0;
  max-width: 40ch;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.45;
}

.marquee {
  position: relative;
  z-index: 1;
  margin: 0;
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.marquee-track {
  display: flex;
  width: max-content;
  gap: 0.75rem;
  animation: marquee 42s linear infinite;
}

.marquee:hover .marquee-track {
  animation-play-state: paused;
}

.marquee-group {
  display: flex;
  gap: 0.75rem;
}

.logo-chip {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.85rem 1.15rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(15, 122, 114, 0.12);
  backdrop-filter: blur(10px);
  white-space: nowrap;
  box-shadow: 0 4px 18px rgba(15, 122, 114, 0.06);
}

.logo-chip img {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.logo-chip.is-wide img {
  width: 72px;
  height: 22px;
}

.logo-chip span {
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(calc(-50% - 0.375rem)); }
}

.integrations-api {
  width: min(100% - 2.4rem, 1100px);
  margin: 2rem auto 0;
  font-size: clamp(1.15rem, 2.2vw, 1.55rem);
  font-family: var(--display);
  font-weight: 650;
  letter-spacing: -0.03em;
  line-height: 1.25;
  color: var(--ink);
  position: relative;
  z-index: 1;
}

.integrations-api span {
  background: linear-gradient(transparent 62%, rgba(212, 165, 116, 0.45) 62%);
  padding: 0 0.1em;
}

/* —— scenarios —— */
.examples {
  padding: 5.5rem 0;
  background:
    linear-gradient(180deg, var(--warm-stone) 0%, #ddd4c2 100%);
  position: relative;
}

.examples .eyebrow { color: var(--amber); }

.examples-head {
  width: min(100% - 2.4rem, 980px);
  margin: 0 auto 2.4rem;
}

.scenario-list {
  width: min(100% - 2.4rem, 980px);
  margin: 0 auto;
  border-top: 1px solid rgba(20, 17, 15, 0.14);
}

.scenario {
  display: grid;
  grid-template-columns: 3.2rem 1fr;
  gap: 1rem 1.4rem;
  padding: 1.55rem 0 1.65rem;
  border-bottom: 1px solid rgba(20, 17, 15, 0.14);
  transition: background 0.3s ease;
}

.scenario:hover {
  background: linear-gradient(90deg, rgba(15, 122, 114, 0.1), transparent 55%);
}

.scenario-idx {
  font-family: var(--display);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.03em;
  color: var(--teal);
  line-height: 1.3;
  padding-top: 0.15rem;
}

.scenario:nth-child(2) .scenario-idx { color: var(--amber); }
.scenario:nth-child(3) .scenario-idx { color: var(--indigo); }

.scenario h3 {
  margin: 0 0 0.4rem;
  font-family: var(--display);
  font-size: clamp(1.25rem, 2vw, 1.55rem);
  letter-spacing: -0.03em;
}

.scenario p {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.5;
  max-width: 52ch;
}

@media (min-width: 900px) {
  .scenario {
    grid-template-columns: 4rem 1fr;
    align-items: start;
  }

  .scenario h3 {
    display: inline;
    margin-right: 0.85rem;
  }

  .scenario p {
    display: inline;
  }
}

/* —— cases index —— */
.cases {
  padding: 5.5rem 0 6rem;
  background:
    radial-gradient(ellipse 45% 40% at 15% 20%, rgba(212, 165, 116, 0.15), transparent 55%),
    radial-gradient(ellipse 50% 35% at 85% 80%, rgba(15, 122, 114, 0.2), transparent 58%),
    linear-gradient(175deg, #3a4543 0%, var(--deep) 55%, #252f2d 100%);
  color: var(--on-deep);
}

.cases-shell {
  width: min(100% - 2.4rem, 1100px);
  margin: 0 auto;
}

.cases .eyebrow { color: var(--accent); }

.cases-head {
  margin-bottom: 2.4rem;
}

.cases-head h2 {
  max-width: 14ch;
  color: var(--on-deep);
}

.case-index {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(244, 239, 230, 0.14);
  display: grid;
}

@media (min-width: 900px) {
  .case-index {
    grid-template-columns: 1fr 1fr;
  }

  .case-index li:nth-child(odd) {
    border-right: 1px solid rgba(244, 239, 230, 0.14);
    padding-right: 1.6rem;
  }

  .case-index li:nth-child(even) {
    padding-left: 1.6rem;
  }
}

.case-index li {
  display: grid;
  grid-template-columns: 2.4rem 1fr;
  grid-template-rows: auto auto;
  column-gap: 0.85rem;
  row-gap: 0.35rem;
  padding: 1.35rem 0 1.4rem;
  border-bottom: 1px solid rgba(244, 239, 230, 0.14);
  transition: background 0.3s ease;
}

.case-index li:hover {
  background: rgba(94, 184, 173, 0.08);
}

.case-index em {
  grid-row: 1 / span 2;
  font-style: normal;
  font-family: var(--display);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  color: var(--teal-soft);
  padding-top: 0.35rem;
}

.case-index strong {
  font-family: var(--display);
  font-size: 1.18rem;
  letter-spacing: -0.03em;
  font-weight: 700;
}

.case-index p {
  margin: 0;
  color: rgba(244, 239, 230, 0.62);
  font-size: 0.94rem;
  line-height: 1.45;
  max-width: 36ch;
}

/* —— contact —— */
.contact {
  padding: 0;
  background: var(--sand);
}

.contact-shell {
  width: min(100%, 1180px);
  margin: 0 auto;
  display: grid;
  min-height: min(88vh, 820px);
}

@media (min-width: 900px) {
  .contact-shell {
    grid-template-columns: 1fr 1.05fr;
  }
}

.contact-copy {
  padding: 4.5rem 1.6rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  position: relative;
  background:
    radial-gradient(circle at 15% 20%, rgba(15, 122, 114, 0.16), transparent 42%),
    radial-gradient(circle at 80% 70%, rgba(212, 165, 116, 0.28), transparent 38%),
    var(--sand);
}

.contact-copy .eyebrow { color: var(--teal); }

.contact-copy h2 {
  font-size: clamp(2.8rem, 7vw, 5.2rem);
  max-width: 8ch;
  margin-top: 0.4rem;
}

.contact-sub {
  margin: 1.1rem 0 0;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.45;
  max-width: 28rem;
}

.contact-form {
  background: var(--paper);
  color: var(--ink);
  padding: 3.2rem 1.6rem 3.5rem;
  display: grid;
  gap: 1rem;
  align-content: center;
  border-left: 1px solid rgba(28, 25, 23, 0.06);
  box-shadow: -24px 0 48px rgba(28, 25, 23, 0.06);
}

@media (min-width: 900px) {
  .contact-form {
    padding: 4rem 3.2rem;
    gap: 1.1rem;
  }
}

.contact-form label {
  display: grid;
  gap: 0.4rem;
}

.contact-form label span {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 0;
  border-bottom: 1px solid rgba(28, 25, 23, 0.18);
  border-radius: 0;
  padding: 0.75rem 0;
  background: transparent;
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s ease;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: rgba(28, 25, 23, 0.35);
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-bottom-color: var(--teal);
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-top: 0.6rem;
}

.contact-form .btn-fill {
  background: var(--teal);
  color: #fff;
  border-color: var(--teal);
}

.contact-form .btn-fill:hover {
  filter: none;
  background: #0c655e;
}

.form-status {
  margin: 0;
  min-height: 1.2em;
  color: var(--muted);
  font-size: 0.92rem;
}

.form-status.is-ok { color: var(--teal); }
.form-status.is-err { color: #c45c48; }

/* —— footer —— */
.foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.35rem 1.4rem 1.7rem;
  background: var(--warm-stone);
  color: var(--muted);
  border-top: 1px solid rgba(28, 25, 23, 0.12);
}

.foot img {
  height: 22px;
  width: auto;
  filter: none;
}

.foot p { margin: 0; }

@media (max-width: 700px) {
  .carousel { padding: 0 2.6rem; }
  .nav-btn {
    width: 38px;
    height: 38px;
    font-size: 1rem;
  }
  .band-meta { flex-wrap: wrap; }
  .scenario {
    grid-template-columns: 2.2rem 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .marquee-track { animation: none; }
  .btn:hover,
  .slide:hover,
  .nav-btn:hover { transform: none; }
}