:root {
  --color-navy: #1A2440;
  --color-navy-rgb: 26, 36, 64;
  --color-accent: #94282F;
  --color-accent-rgb: 148, 40, 47;
  --color-blue: #2F4470;
  --color-blue-rgb: 47, 68, 112;
  --color-link-hover: #10214A;
  --color-cream: #FBF7EE;
  --color-sand: #F2EADA;
  --color-border: #E4DCC8;
  --color-paper: #FFFCF4;
  --color-paper-border: #E0D8C2;
  --color-shadow-sand: #EFE7D4;
  --color-text-muted: #454D63;
  --color-taupe: #8C8571;
  --color-taupe-light: #A9A18C;
  --color-strike: #C9A0A4;
  --color-off-white: #F6F2E8;
  --color-white: #FFFFFF;

  --font-serif: 'Fraunces', serif;
  --font-script: 'Caveat', cursive;
  --font-sans: 'Rethink Sans', sans-serif;

  --font-weight-light: 300;
  --font-weight-regular: 400;
  --font-weight-bold: 500;

  --font-size-label: 0.8rem;
  --font-size-body: 1.1rem;
  --font-size-lead: 1.2rem;
  --font-size-signature: 1.9rem;
  --font-size-heading: 2.5rem;
  --font-size-display: 3.1rem;

  --section-padding-x: 48px;
  --section-padding-y: 80px;
  --divider: 1px solid var(--color-border);
  --shadow-sticker: 4px 4px 0 var(--color-shadow-sand);
  --shadow-sticker-sm: 3px 3px 0 var(--color-shadow-sand);
  --shadow-elevated: 0 8px 20px rgba(0, 0, 0, 0.25);
}

@media (max-width: 640px) {
  :root {
    --section-padding-x: 25px;
    --section-padding-y: 40px;
    --font-size-label: 0.7rem;
    --font-size-body: 1rem;
    --font-size-lead: 1.1rem;
    --font-size-signature: 1.7rem;
    --font-size-heading: 2rem;
    --font-size-display: 2.5rem;
  }
}

/* Base resets */
*, *::before, *::after { box-sizing: border-box; }

body { margin: 0; background: var(--color-cream); color: var(--color-navy); font-family: var(--font-sans); display: flex; flex-direction: column; min-height: 100vh; }

body > section { flex: 1 0 auto; }

a { color: var(--color-accent); text-decoration: none; }

a:hover { color: var(--color-link-hover); }

sup a {
  font-family: var(--font-sans);
  font-size: 0.75em;
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
}

sup a:hover {
  color: inherit;
}

p { margin: 0; }

strong { color: var(--color-navy); font-weight: var(--font-weight-bold); }

details > summary { list-style: none; cursor: pointer; }

details > summary::-webkit-details-marker { display: none; }

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
  border: none;
  background: none;
  margin: 0;
  padding: 0;
  text-align: inherit;
  -webkit-appearance: none;
  appearance: none;
}

/* Shared utilities */
.accent-script {
  font-family: var(--font-script);
  color: var(--color-accent);
}

.eyebrow {
  font-family: var(--font-sans);
  font-size: var(--font-size-label);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  line-height: 1.6;
}

.signature {
  margin: 4px 0 0;
  font-family: var(--font-script);
  font-size: var(--font-size-signature);
  color: var(--color-accent);
}

.list-reset {
  display: flex;
  flex-direction: column;
  list-style: none;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 1040px;
  margin: 0 auto;
  width: 100%;
}

/* Heading component — shared serif treatment for page/section headings.
   Each context still sets its own size, weight, color, and spacing. */
.heading {
  font-family: var(--font-serif);
  font-weight: var(--font-weight-light);
  font-size: var(--font-size-heading);
  margin: 0;
}

/* Background component — the solid background/text combinations sections are painted with */
.bg-cream {
  background-color: var(--color-cream);
}

.bg-sand {
  background-color: var(--color-sand);
}

.bg-scalloped-navy {
  background-color: var(--color-navy);
  color: var(--color-off-white);
}

/* The scallop tile is a single rasterized SVG image (not a CSS radial-gradient) so the
   circle and its solid-navy backing paint in one pass. A live gradient painted into a
   separately-rounded box leaves a 1px seam at fractional browser zoom (110%, 125%, etc.),
   because the gradient's geometry and the box's device-pixel edge round independently and
   don't always agree — a single pre-rasterized tile has no second rounding to disagree with.
   Each tile also bleeds 4px of solid navy past the circle, absorbing any edge rounding. */
.bg-scalloped-navy::before,
.bg-scalloped-navy::after {
  content: "";
  display: block;
  height: 23px;
  background-color: transparent;
  background-size: 21px 23.5px;
  background-repeat: repeat-x;
  position: relative;
  top: -22px;
}

.bg-scalloped-navy::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 21 23.5'%3E%3Crect y='19.5' width='21' height='4' fill='%231A2440'/%3E%3Ccircle cx='10.5' cy='19.5' r='10.5' fill='%231A2440'/%3E%3C/svg%3E");
  margin-bottom: -4px;
}

.bg-scalloped-navy::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 21 23.5'%3E%3Crect width='21' height='4' fill='%231A2440'/%3E%3Ccircle cx='10.5' cy='4' r='10.5' fill='%231A2440'/%3E%3C/svg%3E");
  margin-top: -4px;
  top: 22px;
}

/* Subtle diagonal texture layered on top of a section's own background color */
.bg-striped {
  background-image: repeating-linear-gradient(38deg, rgba(var(--color-blue-rgb), 0.022) 0 16px, transparent 16px 32px, rgba(var(--color-accent-rgb), 0.022) 32px 48px, transparent 48px 64px);
}

/* Subtle paper texture layered on top of a section's own background color, fading in from the top */
.bg-paper,
.bg-paper--reverse {
  position: relative;
  isolation: isolate;
}

.bg-paper::before,
.bg-paper--reverse::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: url("images/paper-background.webp");
  background-size: cover;
  background-position: center;
  opacity: 0.8;
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, transparent 20%, black 100%);
  mask-image: linear-gradient(to bottom, transparent 0%, transparent 20%, black 100%);
  pointer-events: none;
}

/* Same paper texture, fading in from the bottom instead of the top */
.bg-paper--reverse::before {
  -webkit-mask-image: linear-gradient(to top, transparent 0%, transparent 20%, black 100%);
  mask-image: linear-gradient(to top, transparent 0%, transparent 20%, black 100%);
}

/* Button component */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-family: var(--font-sans);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  font-weight: var(--font-weight-bold);
  box-shadow: var(--button-shadow-offset, 3px 3px) 0 var(--button-shadow-color, var(--color-navy));
}

.button--sm {
  font-size: var(--font-size-label);
  letter-spacing: 0.08em;
  padding: 12px 22px;
  --button-shadow-offset: 2px 2px;
}

.button--lg {
  font-size: 0.9rem;
  padding: 19px 34px;
}

@media (max-width: 640px) {
  .button--lg {
    font-size: 0.8rem;
  }
}

.button--primary {
  background: var(--color-accent);
  color: var(--color-cream);
  --button-shadow-color: var(--color-navy);
}

.button--outline {
  background: transparent;
  border: 1px solid var(--color-navy);
  color: var(--color-navy);
  --button-shadow-color: var(--color-paper-border);
}

/* Buttons stay their own color on hover, regardless of the global link-hover rule */
.button--primary:hover {
  color: var(--color-cream);
}

.button--outline:hover {
  color: var(--color-navy);
}

/* CTA banner component — small reusable eyebrow-style banner used across several sections */
.cta-banner {
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-top: 22px;
}

/* Decorative top/bottom stripe */
.stripe {
  height: 14px;
  background: repeating-linear-gradient(115deg, var(--color-blue) 0 13px, var(--color-sand) 13px 26px, var(--color-accent) 26px 39px, var(--color-sand) 39px 52px);
  opacity: 0.75;
}

/* Card component */
.card {
  border: 1px solid;
}

.card--cream {
  background: var(--color-paper);
  border-color: var(--color-paper-border);
  box-shadow: var(--shadow-sticker);
}

.card--screenshot {
  min-height: 180px;
  background: color-mix(in srgb, var(--color-white) 65%, var(--color-cream) 35%);
  overflow: hidden;
  max-width: 420px;
  margin: 0 auto;
}

.card-screenshot-img {
  display: block;
  width: 100%;
  height: auto;
  mask-image: linear-gradient(to bottom, black 70%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, black 70%, transparent 100%);
}

.card-screenshot-img--no-fade {
  mask-image: none;
  -webkit-mask-image: none;
}

.card-stripe {
  height: 8px;
  background: repeating-linear-gradient(115deg, var(--color-blue) 0 9px, var(--color-paper) 9px 18px, var(--color-accent) 18px 27px, var(--color-paper) 27px 36px);
  opacity: 0.65;
}

.card-body {
  padding: 18px 20px 18px;
}

.card-stripe + .card-body {
  padding-bottom: 20px;
}

/* Accordion component — a generic disclosure list, not specific to the FAQ */
.accordion-item {
  border-top: var(--divider);
  overflow: hidden;
}

.accordion li:last-child .accordion-item {
  border-bottom: var(--divider);
}

.accordion-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 0;
  font-family: var(--font-serif);
  font-size: var(--font-size-lead);
  color: var(--color-navy);
}

@media (max-width: 640px) {
  .accordion-item summary {
    font-size: 16px;
  }
}

.accordion-item summary::after {
  content: '+';
  font-family: var(--font-sans);
  font-size: var(--font-size-body);
  color: var(--color-accent);
  flex-shrink: 0;
}

.accordion-item[open] summary::after {
  content: '−';
}

.accordion-item > p {
  padding-bottom: 22px;
  font-size: var(--font-size-body);
  line-height: 1.65;
  color: var(--color-text-muted);
  max-width: 640px;
}

/* Header */
header {
  padding: 22px var(--section-padding-x);
  border-bottom: var(--divider);
}

header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  height: 50px;
  width: auto;
  display: block;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

/* Hero */
.hero {
  padding: var(--section-padding-y) var(--section-padding-x);
  position: relative;
}

.hero .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.hero-content {
  position: relative;
  max-width: 640px;
}

.hero-content h1 {
  font-size: 4.2rem;
  line-height: 1;
  letter-spacing: -0.015em;
  color: var(--color-navy);
  margin: 0 0 26px;
}

.hero-content h1 span {
  font-weight: var(--font-weight-bold);
}

.hero-content p {
  font-size: 1.4rem;
  line-height: 1.65;
  color: var(--color-text-muted);
  max-width: 400px;
  margin: 0 0 36px;
}

.hero-content p span {
  color: var(--color-navy);
  font-weight: var(--font-weight-bold);
}

.hero-stamp {
  flex-shrink: 0;
  position: relative;
  width: 410px;
  height: 193px;
  transform: rotate(9deg);
  top: -40px;
  left: 60px;
}

.hero-stamp svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.stamp-ring-outer {
  fill: none;
  stroke: var(--color-accent);
  stroke-width: 2;
  stroke-dasharray: 3 4;
  transform-box: fill-box;
  transform-origin: center;
  animation: stamp-ring-rotate 120s linear infinite;
}

@keyframes stamp-ring-rotate {
  to {
    transform: rotate(360deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .stamp-ring-outer {
    animation: none;
  }
}

.stamp-ring-inner {
  fill: none;
  stroke: var(--color-accent);
  stroke-width: 1.2;
}

.stamp-arc-text {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.5rem;
  letter-spacing: 0.1em;
  fill: var(--color-accent);
}

.stamp-number {
  font-family: var(--font-serif);
  font-weight: var(--font-weight-bold);
  font-size: 1.5rem;
  fill: var(--color-accent);
}

.stamp-sub {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.5rem;
  letter-spacing: 0.14em;
  fill: var(--color-accent);
}

.stamp-wave {
  fill: none;
  stroke: var(--color-accent);
  stroke-width: 1.2;
  opacity: 0.55;
}

@media (max-width: 930px) {
  .hero-stamp {
    display: none;
  }
}

.cta-text-short {
  display: none;
}

@media (max-width: 640px) {
  .hero-content h1 {
    font-size: 3.2rem;
  }

  .hero-content p {
    font-size: 1.2rem;
    line-height: 1.55;
  }

  .hero .container {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-content {
    max-width: 100%;
  }

  .cta-text-full {
    display: none;
  }

  .cta-text-short {
    display: inline;
  }
}

/* Problem */
.problem {
  padding: var(--section-padding-y) var(--section-padding-x);
  border-top: var(--divider);
  border-bottom: var(--divider);
  overflow-x: hidden;
}

.problem h2 {
  line-height: 1.3;
  max-width: 600px;
  margin: 0 auto 40px;
  text-align: center;
}

.carousel {
  position: relative;
  width: 100%;
  max-width: 550px;
  aspect-ratio: 550 / 343;
  margin: 80px auto 100px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.comic {
  position: absolute;
  width: 100%;
  height: 100%;
  /* Total cycle is 18s */
  animation: cycle 18s infinite ease-in-out;
}

.comic-frame {
  width: 100%;
  height: 100%;
  border-radius: 4px;
  overflow: hidden;
  border: 2px solid var(--color-taupe);
}

.comic img {
  width: 100%;
  height: 100%;
  display: block;
}

.comic-caption {
  position: absolute;
  bottom: -16px;
  left: -16px;
  max-width: 100%;
  background: var(--color-cream);
  border: 2px solid var(--color-taupe);
  border-radius: 4px;
  padding: 8px 14px;
  font-family: var(--font-script);
  font-size: 1.6rem;
  line-height: 1.15;
  color: var(--color-navy);
  transform: rotate(-3deg);
  z-index: 1;
}

/* Stagger each card by 6s (18s / 3) */
.comic-1 { animation-delay: 0s; }

.comic-2 { animation-delay: -6s; }

.comic-3 { animation-delay: -12s; }

@keyframes cycle {
  /* --- POSITION 1: FRONT & CENTER --- */
  /* Holds still for 5.4 seconds (0% to 30%) */
  0%, 30% {
    transform: translateX(0) scale(var(--carousel-front-scale, 1.25));
    filter: blur(0px);
    opacity: 1;
    z-index: 3;
  }

  /* --- FAST SLIDE (Takes ~0.6s between 30% and 33.33%) --- */

  /* --- POSITION 2: RIGHT --- */
  /* Holds still for 5.4 seconds (33.33% to 63.33%) */
  33.33%, 63.33% {
    transform: translateX(var(--carousel-side-x, 45%)) scale(var(--carousel-side-scale, 0.95));
    filter: blur(4px);
    opacity: 0.6;
    z-index: 1;
  }

  /* --- FAST SLIDE (Takes ~0.6s between 63.33% and 66.66%) --- */

  /* --- POSITION 3: LEFT --- */
  /* Holds still for 5.4 seconds (66.66% to 96.66%) */
  66.66%, 96.66% {
    transform: translateX(calc(-1 * var(--carousel-side-x, 45%))) scale(var(--carousel-side-scale, 0.95));
    filter: blur(4px);
    opacity: 0.6;
    z-index: 2;
  }

  /* --- FAST SLIDE back to front (Takes ~0.6s between 96.66% and 100%) --- */
  100% {
    transform: translateX(0) scale(var(--carousel-front-scale, 1.25));
    filter: blur(0px);
    opacity: 1;
    z-index: 3;
  }
}

.problem-bridge {
  margin: 32px 0 0;
  font-size: 2.1rem;
  text-align: center;
}

.problem-bridge-arrow {
  margin-top: 8px;
  text-align: center;
  font-size: 1.5rem;
  color: var(--color-accent);
}

@media (prefers-reduced-motion: no-preference) {
  .problem-bridge-arrow {
    animation: arrow-pulse 1.6s ease-in-out infinite;
  }
}

@keyframes arrow-pulse {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

.problem-letter {
  max-width: 640px;
  margin: 0 auto;
}

.letter-body {
  display: flex;
  flex-direction: column;
  gap: 18px;
  font-size: var(--font-size-body);
  line-height: 1.65;
  color: var(--color-text-muted);
}

.letter-cta {
  color: var(--color-accent);
  text-decoration: underline;
}

.letter-cta:hover {
  color: var(--color-link-hover);
}

.letter-stack {
  position: relative;
  margin-top: 40px;
  margin-bottom: 40px;
}

@media (prefers-reduced-motion: no-preference) {
  .letter-stack .letter-sheet {
    transform: rotate(0deg);
    transition: transform 0.84s ease;
  }

  .letter-stack.is-visible .letter-sheet {
    transform: rotate(var(--fan-angle, 0deg));
  }
}

.card--letter {
  position: relative;
  box-shadow: 3px 8px 20px rgba(var(--color-navy-rgb), 0.16);
}

.card--letter .card-stripe {
  height: 10px;
}

.card-body.letter-body {
  padding: 40px;
}

.letter-sheet {
  position: absolute;
  inset: 0;
  box-shadow: 2px 6px 16px rgba(var(--color-navy-rgb), 0.12);
  transform: rotate(var(--fan-angle, 0deg));
}

.letter-sheet--1 {
  --fan-angle: -3.5deg;
}

.letter-sheet--2 {
  --fan-angle: 2.5deg;
}

@media (max-width: 640px) {
  .carousel {
    --carousel-front-scale: 1;
    --carousel-side-scale: 0.85;
    --carousel-side-x: 38%;
    margin: 50px auto;
  }

  .problem-bridge {
    font-size: 1.9rem;
  }

  .problem-bridge-arrow {
    font-size: 1.4rem;
  }

  .letter-stack {
    margin-top: 20px;
    margin-bottom: 0;
  }

  .card-body.letter-body {
    padding: 20px;
  }

  .letter-sheet--1,
  .letter-sheet--2 {
    display: none;
  }
}

/* Improve with Camille */
.improve-with-camille {
  padding: var(--section-padding-y) var(--section-padding-x);
  text-align: center;
  font-size: var(--font-size-lead);
}

.improve-with-camille .container {
  max-width: 700px;
}

.improve-with-camille h2 {
  padding-bottom: 0;
  margin: 0;
  text-align: center;
}

.improve-with-camille h2 span {
  display: inline-block;
  font-size: 2.5rem;
  font-family: var(--font-script);
  color: var(--color-accent);
}

.improve-checklist {
  margin: 32px 0 0;
  text-align: left;
  display: inline-block;
}

.improve-checklist li {
  margin-bottom: 12px;
  font-family: var(--font-sans);
  font-size: var(--font-size-lead);
  color: var(--color-text-muted);
  display: flex;
  gap: 8px;
}

.improve-checklist li:last-child {
  margin-bottom: 0;
}

.check-icon {
  flex-shrink: 0;
  font-size: 1.3rem;
  line-height: 1;
  color: var(--color-accent);
}

@media (max-width: 640px) {
  .improve-with-camille h2 span {
    font-size: 2rem;
  }
}

/* How it works */
.how-it-works {
  padding: var(--section-padding-y) var(--section-padding-x);
  position: relative;
  margin-top: -20px;
}

/* Torn-paper edge tiled across the top; mirrored alternate tiles hide the seam since paper-torn.jpg isn't a seamless tile on its own. The rest of the section keeps the regular paper-background.webp tile */
.how-it-works::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 220px;
  background-image: url("images/paper-torn-tile.jpg");
  background-repeat: repeat-x;
  background-position: top center;
  background-size: 600px 232px;
  -webkit-mask-image: linear-gradient(to bottom, black 0%, black 45%, transparent 85%);
  mask-image: linear-gradient(to bottom, black 0%, black 45%, transparent 85%);
  z-index: -1;
  pointer-events: none;
}

.how-it-works-tagline {
  margin: 8px auto 0;
  text-align: center;
}

.how-it-works-tagline p {
  display: inline-block;
  font-size: 2.5rem;
  padding-bottom: 2px;
  border-bottom: 2px solid var(--color-accent);
}

.how-it-works-cta {
  margin-top: 38px;
  text-align: center;
}

.how-it-works .steps {
  max-width: 900px;
  margin: 24px auto 0;
}

/* Steps */
.step {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  padding: 25px 0;
  align-items: center;
}

@media (prefers-reduced-motion: no-preference) {
  .step {
    opacity: 0;
    transition: opacity 0.84s ease;
  }

  .step.is-visible {
    opacity: 1;
  }
}

.step-main {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.step-number {
  font-size: 2.5rem;
  line-height: 1;
  display: flex;
  align-items: center;
  gap: 8px;
}

.step-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.step--reverse .step-main {
  order: 2;
}

.step--reverse > .card {
  order: 1;
}

.step:not(.step--reverse) .step-main {
  text-align: right;
}

.step:not(.step--reverse) .step-number {
  justify-content: flex-end;
}

.step-main h3 {
  font-family: var(--font-serif);
  font-weight: var(--font-weight-regular);
  font-size: 1.5rem;
  margin: 0 0 8px;
}

.step-main p {
  font-size: var(--font-size-body);
  line-height: 1.65;
  color: var(--color-text-muted);
}

@media (max-width: 640px) {
  .how-it-works-tagline {
    font-size: 2rem;
    margin: 20px 0;
  }

  .how-it-works-tagline p {
    font-size: 2rem;
  }

  .step {
    gap: 20px;
    padding: 30px 0;
    grid-template-columns: 1fr;
  }

  .how-it-works-cta {
    margin-top: 5px;
  }

  .step:first-child {
    padding-top: 0;
  }

  .step-number,
  .step:not(.step--reverse) .step-number {
    font-size: 2.2rem;
    justify-content: center;
  }

  .step-main,
  .step:not(.step--reverse) .step-main {
    margin-bottom: 5px;
    text-align: center;
  }

  .step-main h3 {
    font-size: 1.4rem;
  }

  .step--reverse .step-main,
  .step--reverse > .card {
    order: initial;
  }

  .step:not(:last-child) {
    border-bottom: 2px dashed var(--color-taupe-light);
  }
}

/* Why it works */
.why-it-works .button--primary {
  /* On a dark section, a navy shadow disappears — swap it for a light one */
  --button-shadow-color: var(--color-cream);
}

.why-it-works .cta-banner {
  /* The accent red doesn't read on the navy background here, so lighten it */
  color: var(--color-off-white);
}

.why-it-works-inner {
  padding: calc(var(--section-padding-y) - 30px) var(--section-padding-x) calc(var(--section-padding-y) - 20px);
}

.why-it-works h2 {
  max-width: 550px;
  margin: 0 auto;
  color: var(--color-off-white);
  text-align: center;
}

.science-rows {
  display: flex;
  flex-direction: column;
  gap: 50px;
  max-width: 800px;
  margin: 60px auto 0;
}

.science-row {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 600px;
}

@media (prefers-reduced-motion: no-preference) {
  .science-row {
    opacity: 0;
    transition: opacity 0.84s ease;
  }

  .science-row.is-visible {
    opacity: 1;
  }
}

.science-row:nth-child(odd) {
  align-self: flex-start;
}

.science-row:nth-child(even) {
  align-self: flex-end;
}

.card--science {
  position: relative;
  z-index: 2;
  box-shadow: var(--shadow-elevated);
}

.card--science::after,
.card--science-citation::after {
  content: '';
  position: absolute;
  inset: 5px;
  border: 2px dashed var(--color-taupe-light);
  pointer-events: none;
}

.card--science .science-body {
  padding: 28px 30px;
  display: flex;
  align-items: flex-start;
  gap: 20px;
}

.science-content {
  flex: 1;
  min-width: 0;
}

.science-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-accent);
  border-radius: 6px;
  background: var(--color-accent);
  color: var(--color-cream);
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
}

.science-body h3 {
  font-family: var(--font-serif);
  font-weight: var(--font-weight-bold);
  font-size: 1.4rem;
  margin: 5px 0 10px;
  color: var(--color-navy);
}

.science-arrow-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  position: relative;
  top: 2px;
}

.science-content > p {
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--color-blue);
  margin: 0 0 18px;
}

.science-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 1px solid var(--color-blue);
  border-radius: 999px;
  background: transparent;
  padding: 7px 16px;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-blue);
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.science-pill i {
  font-size: 0.95rem;
}

.science-pill:hover,
.science-row.is-open .science-pill {
  background: var(--color-blue);
  color: var(--color-cream);
}

.card--science-citation {
  position: relative;
  z-index: 1;
  width: 96%;
  margin-left: 2%;
  margin-right: 2%;
  margin-top: 0;
  background: var(--color-sand);
  border-color: var(--color-taupe);
  box-shadow: var(--shadow-elevated);
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
}

@media (prefers-reduced-motion: no-preference) {
  .card--science-citation {
    transition: grid-template-rows 0.35s ease, opacity 0.3s ease, margin-top 0.35s ease;
  }
}

.card--science-citation > .card-body {
  overflow: hidden;
  padding: 0;
}

.science-row.is-open .card--science-citation {
  grid-template-rows: 1fr;
  opacity: 1;
  margin-top: -22px;
}

.science-citation-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 38px 20px 18px;
}

.science-flask-icon {
  flex-shrink: 0;
  font-size: 18px;
  line-height: 1;
  margin-top: 4px;
  color: var(--color-navy);
}

.science-citation {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-navy);
  margin: 0;
}

.why-it-works-cta {
  margin-top: 65px;
  text-align: center;
}

@media (max-width: 640px) {
  .card--science .science-body {
    display: block;
  }

  .science-icon {
    float: left;
    margin-right: 15px;
    margin-bottom: 15px;
  }

  .why-it-works-cta {
    margin-top: 35px;
  }

  .science-rows {
    gap: 30px;
    margin-top: 40px;
  }

  .science-row {
    width: 100%;
    align-self: stretch;
  }

  .science-body h3 {
    font-size: 1.2rem;
    margin-top: 0;
  }

  .science-content > p {
    font-size: 1rem;
  }

  .science-flask-icon {
    width: 15px;
    height: 15px;
  }

  .science-citation {
    font-size: 0.9rem;
  }
}

/* FAQ */
.faq {
  padding: var(--section-padding-y) var(--section-padding-x);
}

.faq h2 {
  margin: 0 0 26px;
}

/* Final CTA */
.cta {
  padding: var(--section-padding-y) var(--section-padding-x);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-plain {
  border-top: var(--divider);
}

.cta .container {
  position: relative;
}

.cta h2 {
  font-size: var(--font-size-display);
  margin: 0 auto 16px;
  max-width: 600px;
}

.cta p {
  font-size: var(--font-size-lead);
  line-height: 1.65;
  color: var(--color-text-muted);
  max-width: 500px;
  margin: 0 auto 32px;
}

.cta p span {
  font-size: 1.6rem;
}

@media (max-width: 640px) {
  .cta p span {
    font-size: 1.4rem;
  }
}

/* Footer */
footer {
  padding: 24px var(--section-padding-x);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  border-top: var(--divider);
}

@media (max-width: 640px) {
  footer {
    font-size: 0.7rem;
  }
}

footer .container {
  display: flex;
  justify-content: space-between;
}

@media (max-width: 500px) {
  footer .container {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.footer-links a {
  color: var(--color-text-muted);
  text-decoration: underline;
}

.footer-links a:hover {
  color: var(--color-navy);
}

/* About page */
.about {
  padding: var(--section-padding-y) var(--section-padding-x);
}

.about-container {
  max-width: 750px;
}

.about-back {
  display: inline-block;
  font-weight: var(--font-weight-regular);
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: 32px;
}

.about-back:hover {
  color: var(--color-navy);
}

.about h1 {
  font-size: var(--font-size-display);
  line-height: 1.1;
  color: var(--color-navy);
  margin: 0 0 55px;
}

.about p.about-intro {
  font-size: var(--font-size-lead);
}

.about h2 {
  font-family: var(--font-serif);
  font-weight: var(--font-weight-regular);
  font-size: 2rem;
  color: var(--color-navy);
  margin-top: 0;
}

.about h3 {
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-lead);
  margin: 32px 0 10px;
}

.about h2.about-subhead {
  font-family: var(--font-sans);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-lead);
  margin: 32px 0 10px;
}

.about p {
  font-size: var(--font-size-body);
  line-height: 1.65;
  color: var(--color-text-muted);
  margin: 0 0 14px;
}

.about p.signature {
  margin: 4px 0 0;
  font-family: var(--font-script);
  font-size: var(--font-size-signature);
  color: var(--color-accent);
}

.about hr {
  border: none;
  border-top: var(--divider);
  margin: 40px 0 24px;
}

.about-hero {
  display: flex;
  align-items: flex-start;
  gap: 32px;
  margin-bottom: 12px;
}

.about-hero-text {
  flex: 1;
  min-width: 0;
}

.polaroid {
  flex: 0 0 250px;
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  padding: 14px 14px 0;
  box-shadow: 0 10px 26px rgba(var(--color-navy-rgb), 0.16);
  transform: rotate(-2deg);
  position: relative;
  left: -15px;
  top: -10px;
}

.polaroid-photo {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: var(--color-sand);
}

.about .polaroid-caption {
  flex: 0 0 68px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  text-align: center;
  font-family: var(--font-script);
  font-size: 1.7rem;
  color: var(--color-navy);
}

@media (max-width: 900px) {
  .about-hero {
    display: block;
  }

  .polaroid {
    float: left;
    width: 38%;
    max-width: 160px;
    min-width: 110px;
    margin: 0 30px 12px 0;
    left: 0;
    top: 0;
  }

  .about .polaroid-caption {
    flex-basis: 48px;
    font-size: 1.4rem;
  }
}

@media (max-width: 640px) {
  .about h1 {
    margin-bottom: 40px;
  }

  .about h2 {
    font-size: 1.8rem;
  }

  .polaroid {
    width: 34%;
    margin: 0 26px 10px 0;
    padding-bottom: 30px;
  }

  .about .polaroid-caption {
    display: none;
  }
}

/* Start/thanks page shell */
.form-page {
  padding: var(--section-padding-y) var(--section-padding-x);
  position: relative;
}

.form-page-container {
  max-width: 480px;
  position: relative;
}

.form-page h1 {
  font-size: var(--font-size-display);
  line-height: 1.3;
  color: var(--color-navy);
  margin: 0 0 16px;
}

.form-page-subhead {
  font-size: var(--font-size-lead);
  line-height: 1.6;
  color: var(--color-text-muted);
  margin: 0 0 36px;
}

.form-page-subhead p {
  margin: 0 0 8px;
}

.start-form {
  display: flex;
  flex-direction: column;
}

.start-label {
  color: var(--color-blue);
  letter-spacing: 0.1em;
}

.start-label + .start-input {
  margin-top: 8px;
}

.start-input + .start-label {
  margin-top: 24px;
}

.start-input {
  font: inherit;
  font-size: var(--font-size-body);
  padding: 16px 18px;
  border: 1px solid var(--color-paper-border);
  background: var(--color-paper);
  color: var(--color-navy);
  box-shadow: var(--shadow-sticker-sm);
}

.start-input:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.start-input + .button {
  margin-top: 24px;
}

.form-page-risk {
  margin-top: 40px;
  padding-top: 28px;
  border-top: var(--divider);
}

.form-page-risk h2 {
  letter-spacing: 0.14em;
  color: var(--color-accent);
  margin: 0 0 14px;
}

.form-page-risk ul {
  max-width: 400px;
}

.form-page-risk li {
  position: relative;
  padding-left: 25px;
  font-size: var(--font-size-body);
  line-height: 1.55;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.form-page-risk li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--color-taupe);
}