@font-face {
  font-family: "Fraunces";
  src: url("../fonts/Fraunces-Variable.ttf") format("truetype");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Fraunces";
  src: url("../fonts/Fraunces-Italic-Variable.ttf") format("truetype");
  font-weight: 100 900;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: "Sora";
  src: url("../fonts/Sora-Variable.ttf") format("truetype");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #f6f3ed;
  --bg-elevated: #ffffff;
  --beige: #d9d4ce;
  --muted: #a59689;
  --text: #4a3d35;
  --ink: #2b2420;
  --ink-deep: #1c1613;
  --accent: #b87f68;
  --accent-soft: rgba(184, 127, 104, 0.18);
  --line: rgba(43, 36, 32, 0.1);
  --line-strong: rgba(43, 36, 32, 0.42);
  --cream-strong: #f1e6da;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Sora", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
}

img {
  display: block;
  max-width: 100%;
}

.insight-section,
.stack-section,
.science-section {
  content-visibility: auto;
  contain-intrinsic-size: 1000px;
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 24px;
  background: var(--ink);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.hero__media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(20, 16, 14, 0.44) 0%, rgba(20, 16, 14, 0.22) 38%, rgba(20, 16, 14, 0.5) 100%);
  pointer-events: none;
}

.hero__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: blur(4px) brightness(0.86) saturate(0.95);
  transform: scale(1.05);
}

.hero__canvas {
  width: 100%;
  height: 100%;
  display: none;
  object-fit: cover;
  filter: blur(4px) brightness(0.86) saturate(0.95);
  transform: scale(1.05);
}

.hero__media.is-boomerang-ready .hero__video {
  display: none;
}

.hero__media.is-boomerang-ready .hero__canvas {
  display: block;
}

.hero__content {
  width: 100%;
  max-width: 1300px;
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 440px);
  gap: 64px;
  align-items: center;
}

.hero__copy {
  text-align: left;
}

.hero__location {
  margin: 0 0 16px;
  color: var(--accent);
  font-size: 0.86rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.28em;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.3);
}

.hero__title {
  margin: 0;
  max-width: 620px;
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 3.4vw, 3.35rem);
  line-height: 1.05;
  font-weight: 400;
  letter-spacing: -0.03em;
  text-wrap: balance;
  color: #ffffff;
  text-shadow: 0 4px 28px rgba(0, 0, 0, 0.3);
}

.hero__subtitle {
  max-width: 520px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: clamp(1rem, 1.15vw, 1.1rem);
  line-height: 1.48;
  font-weight: 400;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.25);
}

.hero__actions {
  margin-top: 28px;
}

.hero__form-card {
  width: 100%;
  background: var(--bg-elevated);
  border-radius: 24px;
  padding: 36px 32px;
  text-align: left;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(255, 255, 255, 0.06) inset;
}

.hero__form-scarcity {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  padding: 6px 14px 6px 12px;
  border-radius: 999px;
  background: rgba(63, 122, 82, 0.14);
  color: #3f7a52;
  font-size: 0.72rem;
  line-height: 1.3;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.hero__form-scarcity::before {
  content: "";
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 999px;
  background: #3f7a52;
  animation: pulse-dot 1.8s ease-out infinite;
}

.hero__form-title {
  margin: 0 0 8px;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.55rem;
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 400;
}

.hero__form-subtitle {
  margin: 0 0 24px;
  color: var(--text);
  font-size: 0.9rem;
  line-height: 1.42;
}

.hero__form {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.hero__form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.hero__form-field span {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  color: var(--muted);
}

.hero__form-field input {
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  padding: 13px 14px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--ink);
  background: var(--bg);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.hero__form-field input::placeholder {
  color: rgba(74, 61, 53, 0.4);
}

.hero__form-field input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.hero__form-submit {
  margin-top: 6px;
  width: 100%;
  min-width: 0;
}

.hero__form-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.hero__form-error {
  margin: 0 0 4px;
  color: #b3432f;
  font-size: 0.78rem;
  line-height: 1.35;
}

.hero__form-submit:disabled {
  opacity: 0.65;
  cursor: default;
}

.hero__form-note {
  margin: 12px 0 0;
  color: rgba(74, 61, 53, 0.55);
  font-size: 0.7rem;
  line-height: 1.35;
  text-align: center;
}

.hero__form-success {
  text-align: center;
  padding: 18px 0 8px;
}

.hero__form-success p {
  margin: 0;
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.5;
}

.hero__form-success strong {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 400;
}

@keyframes pulse-dot {
  0% {
    box-shadow: 0 0 0 0 rgba(63, 122, 82, 0.55);
  }

  70% {
    box-shadow: 0 0 0 8px rgba(63, 122, 82, 0);
  }

  100% {
    box-shadow: 0 0 0 0 rgba(63, 122, 82, 0);
  }
}

.section-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 240px;
  padding: 15px 24px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: linear-gradient(180deg, #ffffff 0%, var(--cream-strong) 100%);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 0.84rem;
  line-height: 1;
  text-transform: uppercase;
  text-decoration: none;
  letter-spacing: 0.07em;
  font-weight: 600;
  cursor: pointer;
  box-shadow:
    0 14px 32px rgba(43, 36, 32, 0.14),
    0 0 0 1px rgba(255, 255, 255, 0.88) inset;
}

.section-button--dark {
  background: linear-gradient(180deg, #3a2f28 0%, #221b17 100%);
  border-color: #221b17;
  color: #ffffff;
  box-shadow: 0 14px 34px rgba(34, 27, 23, 0.28);
}

.section-button--hero {
  min-width: 260px;
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
  text-shadow: none;
  box-shadow:
    0 16px 34px rgba(0, 0, 0, 0.2),
    0 0 0 1px rgba(255, 255, 255, 0.22) inset;
}

.insight-section {
  background: var(--bg);
  position: relative;
  margin-top: 0;
  padding: 18px 0 120px;
  overflow: hidden;
}

.insight-ticker {
  position: relative;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 18px 0 20px;
  overflow: hidden;
  white-space: nowrap;
  z-index: 1;
}

.insight-ticker__track {
  display: inline-flex;
  align-items: center;
  gap: 30px;
  min-width: max-content;
  animation: ticker-slide 24s linear infinite;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5vw, 5rem);
  line-height: 1;
  letter-spacing: -0.04em;
  font-weight: 300;
}

.insight-ticker__plus {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 0.92em;
  height: 0.92em;
  border: 1px solid rgba(184, 127, 104, 0.5);
  border-radius: 999px;
  color: var(--accent);
  font-size: 0.36em;
  line-height: 1;
  letter-spacing: 0;
}

.insight-section__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 54px 30px 0;
  display: grid;
  grid-template-columns: minmax(0, 720px) minmax(220px, 1fr);
  gap: 48px;
  align-items: start;
}

.insight-section__copy {
  max-width: 640px;
}

.insight-section__eyebrow {
  margin: 0 0 18px;
  font-size: 0.92rem;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.insight-section__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.15vw, 3.35rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  font-weight: 400;
  text-wrap: balance;
}

.insight-section__title--writing {
  display: flex;
  flex-wrap: wrap;
  gap: 0.08em 0.24em;
}

.insight-word {
  display: inline-block;
  opacity: 0.14;
  filter: blur(5px);
  transform: translateY(0.32em);
  transition:
    opacity 0.45s ease,
    filter 0.45s ease,
    transform 0.45s ease;
  will-change: opacity, filter, transform;
}

.insight-word.is-written {
  opacity: 1;
  filter: blur(0);
  transform: translateY(0);
}

.insight-section__meta {
  margin: 10px 0 0;
  font-size: 0.95rem;
  line-height: 1.4;
  color: rgba(43, 36, 32, 0.78);
  justify-self: start;
}

.insight-topics {
  max-width: 1280px;
  margin: 0 auto;
  padding: 72px 30px 0;
}

.insight-section__footer {
  max-width: 1280px;
  margin: 0 auto;
  padding: 42px 30px 0;
  text-align: center;
}

.insight-topic {
  display: grid;
  grid-template-columns: minmax(280px, 430px) minmax(280px, 420px);
  justify-content: space-between;
  gap: 32px 48px;
  padding: 26px 0;
  border-top: 1px solid var(--line);
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.insight-topic:last-child {
  border-bottom: 1px solid var(--line);
}

.insight-topic.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.insight-topic__heading {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.insight-topic__icon {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  border: 1px solid rgba(184, 127, 104, 0.55);
  border-radius: 999px;
  color: var(--accent);
  font-size: 0.92rem;
  line-height: 1;
}

.insight-topic__title {
  margin: 0;
  max-width: 220px;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2vw, 2rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
  font-weight: 400;
}

.insight-topic__text {
  margin: 0;
  max-width: 360px;
  color: rgba(43, 36, 32, 0.78);
  font-size: 1rem;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.video-section {
  background: var(--bg);
  padding: 110px 30px;
}

.video-section__inner {
  max-width: 980px;
  margin: 0 auto;
  text-align: center;
}

.video-section__eyebrow {
  margin: 0 0 18px;
  font-size: 0.92rem;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.video-section__title {
  margin: 0 0 44px;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.6vw, 3.2rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-weight: 400;
  text-wrap: balance;
}

.video-section__player {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  background: #000;
  box-shadow: 0 30px 70px rgba(43, 36, 32, 0.2);
}

.video-section__player video {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: block;
  background: #000;
  object-fit: cover;
}

.video-section__play {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  border: 0;
  margin: 0;
  padding: 0;
  background: rgba(20, 16, 14, 0.32);
  color: #ffffff;
  cursor: pointer;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.video-section__play-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 78px;
  height: 78px;
  padding-left: 6px;
  border-radius: 999px;
  border: 1.5px solid rgba(255, 255, 255, 0.65);
  background: rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  font-size: 1.5rem;
  transition: background 0.2s ease, transform 0.2s ease;
}

.video-section__play:hover .video-section__play-icon {
  background: rgba(255, 255, 255, 0.26);
  transform: scale(1.05);
}

.video-section__play-label {
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.45);
}

.video-section__play.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

@media (max-width: 520px) {
  .video-section__play-icon {
    width: 62px;
    height: 62px;
    font-size: 1.2rem;
  }

  .video-section__play-label {
    font-size: 0.92rem;
  }
}

@media (max-width: 520px) {
  .video-section {
    padding: 72px 18px;
  }

  .video-section__title {
    margin-bottom: 28px;
  }

  .video-section__player {
    border-radius: 16px;
  }
}

.stack-section {
  position: relative;
  height: 360vh;
  background: var(--bg);
}

.stack-section__sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.stack-section__ticker {
  position: absolute;
  inset: 50% 0 auto;
  transform: translateY(-50%);
  overflow: hidden;
  white-space: nowrap;
  pointer-events: none;
}

.stack-section__ticker-track {
  display: inline-flex;
  align-items: center;
  gap: 26px;
  min-width: max-content;
  animation: ticker-slide 26s linear infinite;
  color: var(--accent);
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4.2vw, 4.8rem);
  line-height: 1;
  letter-spacing: -0.04em;
  font-weight: 300;
}

.stack-section__plus {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 0.86em;
  height: 0.86em;
  border: 1px solid rgba(184, 127, 104, 0.5);
  border-radius: 999px;
  color: var(--accent);
  font-size: 0.34em;
  line-height: 1;
}

.stack-section__stage {
  position: relative;
  width: 100%;
  height: 100%;
}

.stack-section__heading {
  position: absolute;
  top: 42px;
  left: 50%;
  z-index: 2;
  width: min(760px, calc(100% - 40px));
  text-align: center;
  transform: translateX(-50%);
  pointer-events: none;
}

.stack-section__eyebrow {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-weight: 600;
}

.stack-section__title {
  margin: 0 auto;
  max-width: 680px;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.4vw, 3.45rem);
  line-height: 1;
  letter-spacing: -0.03em;
  font-weight: 400;
  text-wrap: balance;
}

.stack-section__sr-title {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.stack-cards {
  position: relative;
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
}

.stack-card {
  --stack-offset: 0px;
  --stack-rotate: -5deg;
  --stack-scale: 1;
  --stack-opacity: 1;
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(360px, calc(100vw - 40px));
  padding: 12px 12px 16px;
  border-radius: 32px;
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 18px 50px rgba(43, 36, 32, 0.12);
  opacity: var(--stack-opacity);
  transform: translate(-50%, -50%) translateY(var(--stack-offset)) rotate(var(--stack-rotate)) scale(var(--stack-scale));
  transition: transform 0.16s linear, opacity 0.16s linear;
  will-change: transform, opacity;
  backface-visibility: hidden;
}

.stack-card--1 {
  z-index: 4;
}

.stack-card--2 {
  z-index: 3;
}

.stack-card--3 {
  z-index: 2;
}

.stack-card--4 {
  z-index: 1;
}

.stack-card__media {
  position: relative;
  height: 258px;
  border-radius: 28px;
  background: #ede7de;
  overflow: hidden;
}

.stack-card__badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.94);
  color: var(--ink);
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.stack-card__badge:hover {
  background: #ffffff;
  transform: scale(1.08);
}

.stack-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.stack-card__body {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 6px 0;
}

.stack-card__title {
  margin: 0;
  max-width: 220px;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2vw, 1.9rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
  font-weight: 400;
}

.stack-card__tag {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 76px;
  padding: 6px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--ink);
  font-size: 0.76rem;
  line-height: 1;
}

.science-section {
  min-height: 260vh;
  padding: 0 18px 120px;
  background: var(--bg);
}

.science-section__sticky {
  position: sticky;
  top: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.science-section__shell {
  max-width: 1420px;
  margin: 0 auto;
  width: 100%;
  padding: 64px 52px 56px;
  border-radius: 18px;
  background: var(--bg-elevated);
  box-shadow: 0 0 0 1px var(--line);
  display: flex;
  flex-direction: column;
}

.science-section__top {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.science-section__headline {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 34px;
}

.science-section__title {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(3rem, 5.2vw, 5.6rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
  font-weight: 400;
}

.science-section__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 170px;
  padding: 10px 18px;
  border: 1px solid var(--accent);
  border-radius: 999px;
  background: var(--accent);
  color: #ffffff;
  font-size: 0.75rem;
  line-height: 1;
  text-transform: uppercase;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.07em;
  cursor: pointer;
  font-family: var(--font-body);
  box-shadow:
    0 14px 30px rgba(184, 127, 104, 0.35),
    0 0 0 1px rgba(255, 255, 255, 0.25) inset;
}

.science-section__footer {
  display: flex;
  justify-content: center;
  padding-top: 56px;
}

.science-section__content {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: 48px;
  align-items: center;
  padding-top: 72px;
  min-height: 190px;
  flex: 1 1 auto;
}

.science-section__nav {
  display: flex;
  align-items: center;
  gap: 12px;
}

.science-section__arrow {
  border: 0;
  background: transparent;
  color: var(--ink);
  font-size: 2rem;
  line-height: 1;
  padding: 0;
  cursor: default;
}

.science-section__copy {
  max-width: 740px;
}

.science-section__lede {
  margin: 0;
  color: rgba(43, 36, 32, 0.88);
  font-family: var(--font-display);
  font-size: clamp(2rem, 3vw, 3.1rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  font-weight: 400;
  text-wrap: balance;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.science-section__lede strong {
  color: var(--ink);
  font-weight: 400;
}

.science-timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  padding-top: 52px;
}

.science-timeline__line {
  position: absolute;
  left: 10px;
  right: 10px;
  top: 33px;
  height: 1px;
  background: var(--line);
}

.science-step {
  position: relative;
  padding-top: 26px;
  transition: opacity 0.28s ease;
}

.science-step__dot {
  position: absolute;
  top: 22px;
  left: 0;
  width: 11px;
  height: 11px;
  border-radius: 999px;
  background: var(--beige);
}

.science-step--active .science-step__dot {
  width: 20px;
  height: 20px;
  top: 17px;
  left: -4px;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(184, 127, 104, 0.2);
}

.science-step__text {
  margin: 32px 0 0;
  max-width: 180px;
  color: rgba(43, 36, 32, 0.35);
  font-size: 0.83rem;
  line-height: 1.18;
  letter-spacing: -0.02em;
}

.science-step--active .science-step__text {
  color: var(--ink);
}

.science-step:not(.science-step--active) .science-step__text {
  opacity: 0.5;
}

.reveal-on-scroll {
  opacity: 0;
  transform: translateY(44px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes ticker-slide {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(-33.333%);
  }
}

@media (max-width: 920px) {
  .hero {
    align-items: flex-start;
    padding-top: 108px;
  }

  .hero__content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero__copy {
    text-align: center;
  }

  .hero__actions {
    display: none;
  }

  .hero__title {
    max-width: 100%;
    margin-inline: auto;
  }

  .hero__subtitle {
    max-width: 100%;
    margin-inline: auto;
  }

  .hero__form-card {
    max-width: 460px;
    margin: 0 auto;
  }

  .insight-section {
    padding-bottom: 96px;
  }

  .insight-section__inner {
    grid-template-columns: 1fr;
    gap: 20px;
    padding-top: 42px;
  }

  .insight-topics {
    padding-top: 54px;
  }

  .insight-section__footer {
    padding-top: 34px;
  }

  .insight-topic {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .stack-section {
    height: auto;
    padding: 34px 18px 88px;
  }

  .stack-section__sticky {
    position: relative;
    top: auto;
    height: auto;
    display: block;
    overflow: visible;
  }

  .stack-section__stage {
    height: auto;
  }

  .stack-section__heading {
    position: relative;
    top: auto;
    left: auto;
    width: min(680px, 100%);
    margin: 0 auto;
    transform: none;
  }

  .stack-section__title {
    font-size: clamp(1.9rem, 6vw, 2.8rem);
    line-height: 1.04;
  }

  .stack-cards {
    position: relative;
    width: 100%;
    height: auto;
    display: grid;
    gap: 18px;
    justify-items: center;
    margin-top: 28px;
    overflow: hidden;
  }

  .stack-card {
    --stack-mobile-x: -42px;
    position: relative;
    top: auto;
    left: auto;
    width: min(340px, calc(100vw - 40px));
    max-width: none;
    opacity: 0;
    transform: translateX(var(--stack-mobile-x));
    transition: opacity 0.72s ease, transform 0.72s ease;
  }

  .stack-card:nth-child(even) {
    --stack-mobile-x: 42px;
  }

  .stack-card.is-visible {
    opacity: 1;
    transform: translateX(0);
  }

  .science-section {
    min-height: auto;
    padding-bottom: 96px;
  }

  .science-section__sticky {
    position: relative;
    top: auto;
    min-height: auto;
    display: block;
    padding-top: 0;
  }

  .science-section__top,
  .science-section__content {
    grid-template-columns: 1fr;
  }

  .science-section__content {
    gap: 22px;
    min-height: 0;
    align-items: start;
  }

  .science-section__nav {
    display: none;
  }

  .science-timeline {
    grid-template-columns: 1fr;
    row-gap: 28px;
  }

  .science-step__text,
  .science-step:not(.science-step--active) .science-step__text {
    opacity: 1;
  }

  .science-step__dot,
  .science-step--active .science-step__dot {
    width: 16px;
    height: 16px;
    top: 19px;
    left: -3px;
    background: var(--accent);
    box-shadow: 0 0 0 5px rgba(184, 127, 104, 0.18);
  }

  .science-section__footer {
    justify-content: center;
    padding-top: 28px;
  }
}

@media (max-width: 520px) {
  .hero {
    padding-inline: 18px;
  }

  .hero__title {
    max-width: 100%;
    font-size: clamp(1.8rem, 7.1vw, 2.35rem);
    line-height: 1.08;
    letter-spacing: -0.02em;
  }

  .hero__subtitle {
    max-width: 92%;
    margin-top: 14px;
    font-size: 0.94rem;
    line-height: 1.42;
  }

  .hero__actions {
    margin-top: 18px;
  }

  .hero__form-card {
    padding: 28px 22px;
    border-radius: 20px;
  }

  .section-button {
    min-width: 100%;
    padding: 12px 18px;
    font-size: 0.74rem;
  }

  .insight-section {
    padding: 12px 0 78px;
  }

  .insight-ticker {
    padding: 14px 0 16px;
  }

  .insight-ticker__track {
    gap: 20px;
    font-size: clamp(2rem, 11vw, 2.8rem);
  }

  .insight-section__inner {
    padding: 34px 18px 0;
    gap: 18px;
  }

  .insight-section__eyebrow {
    margin-bottom: 14px;
    font-size: 0.74rem;
  }

  .insight-section__title {
    font-size: clamp(1.7rem, 7.2vw, 2.2rem);
    line-height: 1.12;
    letter-spacing: -0.02em;
    text-wrap: pretty;
  }

  .insight-section__meta {
    margin-top: 2px;
    font-size: 0.86rem;
  }

  .insight-topics {
    padding: 42px 18px 0;
  }

  .insight-section__footer {
    padding: 28px 18px 0;
  }

  .insight-topic {
    gap: 12px;
    padding: 20px 0;
  }

  .insight-topic__heading {
    gap: 12px;
  }

  .insight-topic__icon {
    width: 20px;
    height: 20px;
    font-size: 0.82rem;
  }

  .insight-topic__title {
    max-width: 180px;
    font-size: 1.35rem;
    line-height: 1;
  }

  .insight-topic__text {
    max-width: none;
    font-size: 0.94rem;
    line-height: 1.24;
  }

  .stack-section {
    padding: 28px 12px 72px;
  }

  .stack-section__ticker-track {
    gap: 18px;
    font-size: clamp(1.9rem, 10vw, 2.8rem);
    animation-duration: 34s;
  }

  .stack-cards {
    margin-top: 26px;
    gap: 16px;
  }

  .stack-section__eyebrow {
    font-size: 0.7rem;
  }

  .stack-section__title {
    font-size: clamp(1.65rem, 8vw, 2.15rem);
    line-height: 1.08;
    letter-spacing: -0.02em;
  }

  .stack-card {
    width: min(320px, calc(100vw - 28px));
    padding: 10px 10px 14px;
    border-radius: 26px;
  }

  .stack-card__media {
    height: 220px;
    border-radius: 22px;
  }

  .stack-card__badge {
    top: 12px;
    left: 12px;
    width: 30px;
    height: 30px;
  }

  .stack-card__body {
    padding-top: 12px;
    gap: 14px;
  }

  .stack-card__title {
    max-width: 180px;
    font-size: 1.3rem;
  }

  .stack-card__tag {
    min-width: 68px;
    padding: 5px 10px;
    font-size: 0.72rem;
  }

  .science-section {
    min-height: auto;
    padding: 0 12px 78px;
  }

  .science-section__shell {
    min-height: 100svh;
    padding: 18px 18px 22px;
    border-radius: 16px;
  }

  .science-section__title {
    font-size: clamp(2.5rem, 12vw, 3.7rem);
    line-height: 0.99;
  }

  .science-section__headline {
    gap: 18px;
  }

  .science-section__cta {
    min-width: min(100%, 320px);
    padding: 11px 16px;
    font-size: 0.7rem;
  }

  .science-section__content {
    padding-top: 22px;
    gap: 12px;
    min-height: 172px;
  }

  .science-section__arrow {
    font-size: 1.8rem;
  }

  .science-section__lede {
    font-size: clamp(1.38rem, 6.6vw, 1.82rem);
    line-height: 1.12;
    letter-spacing: -0.03em;
    max-width: 100%;
    text-wrap: pretty;
  }

  .science-timeline {
    grid-template-columns: 1fr;
    gap: 22px;
    padding-top: 22px;
  }

  .science-timeline__line {
    display: none;
  }

  .science-step {
    padding-top: 0;
    padding-left: 26px;
  }

  .science-step__dot,
  .science-step--active .science-step__dot {
    top: 4px;
    left: 0;
  }

  .science-step__text {
    margin-top: 0;
    max-width: none;
    font-size: 0.85rem;
    line-height: 1.32;
  }

  .science-step:not(.science-step--active) .science-step__text {
    opacity: 1;
  }

  .science-section__footer {
    padding-top: 22px;
  }

  .insight-ticker__track,
  .stack-section__ticker-track {
    animation-duration: 40s;
  }
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 32px;
  background: rgba(43, 36, 32, 0.4);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.site-header__logo {
  display: inline-flex;
  align-items: center;
}

.site-header__logo img {
  height: 34px;
  width: auto;
  display: block;
}

.site-header__nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-family: var(--font-body);
}

.site-header__nav a {
  color: rgba(255, 255, 255, 0.82);
  text-decoration: none;
  font-size: 0.86rem;
  letter-spacing: -0.01em;
}

.site-header__nav a:hover {
  color: #ffffff;
}

.section-button--header {
  min-width: auto;
  padding: 11px 22px;
  font-size: 0.72rem;
}

.site-footer {
  background: var(--ink);
  color: #ffffff;
  padding: 64px 32px 28px;
}

.site-footer__inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 32px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.site-footer__brand {
  max-width: 320px;
}

.site-footer__logo {
  margin: 0 0 14px;
}

.site-footer__logo img {
  height: 38px;
  width: auto;
  display: block;
}

.site-footer__tagline {
  margin: 0;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.92rem;
}

.site-footer__contact {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.site-footer__label {
  margin: 0 0 6px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.5);
}

.site-footer__link {
  color: #ffffff;
  text-decoration: none;
  font-size: 0.95rem;
}

.site-footer__link:hover {
  text-decoration: underline;
}

.site-footer__address {
  margin: 6px 0 0;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.85rem;
}

.site-footer__copy {
  max-width: 1280px;
  margin: 24px auto 0;
  color: rgba(255, 255, 255, 0.42);
  font-size: 0.78rem;
  text-align: center;
}

@media (max-width: 760px) {
  .site-header {
    padding: 14px 18px;
  }

  .site-header__nav {
    display: none;
  }

  .site-footer {
    padding: 48px 18px 24px;
  }

  .site-footer__inner {
    flex-direction: column;
    gap: 24px;
  }
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 24px;
  background: rgba(20, 16, 14, 0.92);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.lightbox__stage {
  position: relative;
  max-width: min(1100px, 86vw);
  max-height: 82vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.lightbox__image {
  max-width: 100%;
  max-height: 74vh;
  border-radius: 12px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
  display: block;
}

.lightbox__count {
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
}

.lightbox__close {
  position: absolute;
  top: 20px;
  right: 24px;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s ease;
}

.lightbox__close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.lightbox__arrow {
  flex: 0 0 auto;
  width: 52px;
  height: 52px;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s ease;
}

.lightbox__arrow:hover {
  background: rgba(255, 255, 255, 0.2);
}

.form-modal {
  position: fixed;
  inset: 0;
  z-index: 110;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.form-modal.is-open {
  opacity: 1;
  visibility: visible;
}

.form-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 16, 14, 0.6);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

.form-modal__panel {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 440px;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(10px);
  transition: transform 0.25s ease;
}

.form-modal.is-open .form-modal__panel {
  transform: translateY(0);
}

.form-modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 999px;
  background: var(--bg);
  color: var(--ink);
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s ease;
}

.form-modal__close:hover {
  background: var(--beige);
}

@media (max-width: 640px) {
  .lightbox {
    padding: 16px;
    gap: 6px;
  }

  .lightbox__arrow {
    width: 40px;
    height: 40px;
    font-size: 1.5rem;
  }

  .lightbox__close {
    top: 12px;
    right: 14px;
    width: 38px;
    height: 38px;
    font-size: 1.3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal-on-scroll,
  .reveal-on-scroll.is-visible,
  .insight-word,
  .insight-word.is-written,
  .insight-topic,
  .insight-topic.is-visible,
  .stack-card,
  .science-section__lede {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
  }
}