:root {
  --ink: #080b0e;
  --ink-soft: #111821;
  --paper: #f5f1e9;
  --white: #fffdf8;
  --muted: #aeb6c0;
  --gold: #d0a85c;
  --pink: #d61868;
  --pink-soft: #ff7bab;
  --blue: #176dd6;
  --blue-soft: #62a5ff;
  --green: #265b46;
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--ink); color: var(--white); font-family: var(--sans); }
body:has(dialog[open]) { overflow: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.skip-link { position: fixed; z-index: 1000; top: 8px; left: 8px; padding: 10px 14px; background: var(--paper); color: var(--ink); transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.study-header { position: sticky; z-index: 50; top: 0; min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 28px; padding: 13px clamp(18px, 5vw, 72px); border-bottom: 1px solid rgba(255,255,255,.1); background: rgba(7,10,14,.94); backdrop-filter: blur(14px); }
.study-brand, .footer-brand { display: flex; align-items: center; gap: 12px; }
.study-brand > span, .footer-brand > span { width: 46px; height: 46px; display: grid; place-items: center; border: 1px solid rgba(208,168,92,.7); color: #efcd8e; font-family: var(--serif); font-size: 18px; }
.study-brand strong, .footer-brand strong { font-family: var(--serif); font-size: 18px; font-weight: 400; }
.study-brand small, .footer-brand small { display: block; margin-top: 3px; color: #9ba3ac; font-family: var(--sans); font-size: 7px; font-weight: 850; letter-spacing: .14em; text-transform: uppercase; }
.study-header nav { display: flex; align-items: center; flex-wrap: wrap; justify-content: flex-end; gap: clamp(12px, 2.2vw, 28px); }
.study-header nav a { color: #cbd1d8; font-size: 8px; font-weight: 850; letter-spacing: .11em; text-transform: uppercase; }
.study-header nav a:hover { color: #fff; }
.study-hero { min-height: 720px; display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(340px, .85fr); background: radial-gradient(circle at 18% 20%, rgba(214,24,104,.16), transparent 34%), radial-gradient(circle at 84% 16%, rgba(23,109,214,.2), transparent 35%), linear-gradient(135deg, #08090c, #0a111b 58%, #07090c); }
.hero-copy { align-self: center; padding: clamp(70px, 9vw, 138px) clamp(24px, 7vw, 112px); }
.eyebrow, .section-kicker { margin: 0; color: #e7c681; font-size: 8px; font-weight: 900; letter-spacing: .18em; text-transform: uppercase; }
.eyebrow span { display: inline-block; width: 35px; height: 1px; margin-right: 9px; background: currentColor; vertical-align: middle; }
.hero-copy h1, .section-heading h2, .study-promise h2, .safety-section h2 { font-family: var(--serif); font-weight: 400; }
.hero-copy h1 { max-width: 900px; margin: 20px 0 24px; font-size: clamp(58px, 7.8vw, 112px); letter-spacing: -.06em; line-height: .86; }
.hero-copy h1 em, .section-heading h2 em { color: #edc778; font-weight: 400; }
.hero-copy > p:not(.eyebrow) { max-width: 760px; margin: 0; color: #bac1ca; font-size: 14px; line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 33px; }
.button { min-height: 49px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 13px 19px; border: 1px solid transparent; background: transparent; color: #fff; font-size: 8px; font-weight: 900; letter-spacing: .1em; text-align: center; text-transform: uppercase; }
.button-pink { background: var(--pink); }
.button-blue { background: var(--blue); }
.button-outline { border-color: rgba(255,255,255,.35); }
.hero-metrics { max-width: 720px; display: grid; grid-template-columns: repeat(3, 1fr); margin: 40px 0 0; padding: 0; border-block: 1px solid rgba(255,255,255,.12); }
.hero-metrics div { padding: 18px 14px; }
.hero-metrics div + div { border-left: 1px solid rgba(255,255,255,.1); }
.hero-metrics dt { color: #efcd8e; font-family: var(--serif); font-size: 30px; }
.hero-metrics dd { margin: 4px 0 0; color: #8e97a1; font-size: 7px; font-weight: 850; letter-spacing: .11em; text-transform: uppercase; }
.study-promise { position: relative; align-self: stretch; display: flex; flex-direction: column; justify-content: center; padding: clamp(65px, 7vw, 105px); overflow: hidden; border-left: 1px solid rgba(255,255,255,.1); background: rgba(255,255,255,.025); }
.promise-mark { position: absolute; right: -15px; top: 15px; color: rgba(255,255,255,.035); font-family: var(--serif); font-size: 270px; line-height: .7; }
.study-promise h2 { position: relative; margin: 15px 0 34px; font-size: clamp(40px, 4vw, 61px); line-height: .96; }
.study-promise ul { position: relative; display: grid; gap: 0; margin: 0; padding: 0; list-style: none; }
.study-promise li { display: grid; grid-template-columns: minmax(120px, .55fr) minmax(0, 1fr); gap: 22px; padding: 19px 0; border-top: 1px solid rgba(255,255,255,.1); }
.study-promise li strong { color: #eef1f4; font-family: var(--serif); font-size: 18px; font-weight: 400; }
.study-promise li span { color: #929ba5; font-size: 10px; line-height: 1.65; }
.audience-strip { display: grid; grid-template-columns: repeat(3, 1fr); border-block: 1px solid rgba(255,255,255,.1); background: #0d1117; }
.audience-strip a { min-height: 116px; display: grid; grid-template-columns: 45px 1fr; grid-template-rows: auto auto; align-content: center; gap: 4px 15px; padding: 22px clamp(18px, 4vw, 55px); }
.audience-strip a + a { border-left: 1px solid rgba(255,255,255,.1); }
.audience-strip span { grid-row: 1 / 3; align-self: center; color: #67717d; font-family: var(--serif); font-size: 28px; }
.audience-strip strong { font-family: var(--serif); font-size: 21px; font-weight: 400; }
.audience-strip small { color: #89929c; font-size: 7px; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.guide-section { scroll-margin-top: 78px; padding: clamp(82px, 9vw, 132px) clamp(18px, 5vw, 78px); }
.guide-section-women { background: radial-gradient(circle at 0% 12%, rgba(214,24,104,.13), transparent 29%), #f5f0ef; color: #181214; }
.guide-section-men { background: radial-gradient(circle at 100% 10%, rgba(23,109,214,.2), transparent 28%), #080d14; color: #f7f8fa; }
.section-heading { max-width: 1460px; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(320px, .65fr); align-items: end; gap: 60px; margin: 0 auto 55px; }
.section-heading h2 { margin: 15px 0 0; font-size: clamp(50px, 6vw, 86px); letter-spacing: -.05em; line-height: .9; }
.section-heading > p { max-width: 620px; justify-self: end; margin: 0; color: #756970; font-size: 13px; line-height: 1.8; }
.guide-section-men .section-heading > p { color: #98a2ae; }
.guide-grid { max-width: 1460px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; margin: 0 auto; }
.guide-card { min-width: 0; display: grid; grid-template-columns: minmax(250px, .82fr) minmax(0, 1.18fr); overflow: hidden; border: 1px solid #d9ced2; background: #fff; box-shadow: 0 22px 70px rgba(61,29,41,.08); }
.guide-section-men .guide-card { border-color: rgba(98,165,255,.24); background: #101823; box-shadow: 0 25px 75px rgba(0,0,0,.38); }
.guide-preview { position: relative; min-height: 490px; overflow: hidden; display: grid; place-items: center; padding: 20px; border: 0; border-right: 1px solid #e1d7da; background: #f8f4f4; cursor: zoom-in; }
.guide-section-men .guide-preview { border-right-color: rgba(255,255,255,.09); background: #05080d; }
.guide-preview img { width: 100%; height: 100%; max-height: 590px; object-fit: contain; transition: transform .3s ease, filter .3s ease; }
.guide-preview:hover img { transform: scale(1.025); filter: saturate(1.05); }
.guide-preview > span { position: absolute; right: 15px; bottom: 15px; display: inline-flex; align-items: center; gap: 8px; padding: 10px 13px; background: rgba(16,11,13,.92); color: #fff; font-size: 7px; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.guide-section-men .guide-preview > span { background: rgba(13,93,191,.94); }
.guide-preview b { color: #f0c76f; font-size: 13px; }
.guide-copy { align-self: center; padding: 34px 30px; }
.guide-copy > p:first-child { margin: 0; color: var(--pink); font-size: 7px; font-weight: 900; letter-spacing: .15em; text-transform: uppercase; }
.guide-section-men .guide-copy > p:first-child { color: var(--blue-soft); }
.guide-copy h3 { margin: 12px 0 7px; font-family: var(--serif); font-size: clamp(30px, 3vw, 45px); font-weight: 400; letter-spacing: -.035em; line-height: .95; }
.guide-copy h4 { margin: 0; color: #66575d; font-size: 9px; font-weight: 850; letter-spacing: .08em; line-height: 1.5; text-transform: uppercase; }
.guide-section-men .guide-copy h4 { color: #8794a4; }
.guide-summary { margin: 20px 0 0; color: #756b6e; font-size: 11px; line-height: 1.72; }
.guide-section-men .guide-summary { color: #a2acb8; }
.guide-actions { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 27px; }
.guide-actions button, .guide-actions a { min-height: 42px; display: inline-flex; align-items: center; justify-content: center; padding: 10px 13px; border: 1px solid #d3c3c9; background: transparent; color: #21181b; font-size: 7px; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; cursor: pointer; }
.guide-actions button { border-color: var(--pink); background: var(--pink); color: #fff; }
.guide-section-men .guide-actions button { border-color: var(--blue); background: var(--blue); }
.guide-section-men .guide-actions a { border-color: rgba(255,255,255,.22); color: #eef4fb; }
.safety-section { min-height: 330px; display: grid; grid-template-columns: 100px minmax(0, 1fr) auto; align-items: center; gap: 45px; padding: clamp(65px, 8vw, 110px) clamp(22px, 7vw, 105px); background: #163f31; color: #fff; }
.safety-section > span { width: 88px; height: 88px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.35); border-radius: 50%; font-family: var(--serif); font-size: 55px; }
.safety-section h2 { max-width: 1000px; margin: 12px 0 18px; font-size: clamp(38px, 4.5vw, 65px); letter-spacing: -.04em; line-height: .96; }
.safety-section p:not(.section-kicker) { max-width: 1040px; margin: 0; color: #bed0c7; font-size: 12px; line-height: 1.8; }
footer { min-height: 135px; display: flex; align-items: center; justify-content: space-between; gap: 28px; padding: 28px clamp(20px, 5vw, 72px); border-top: 1px solid rgba(255,255,255,.1); background: #05070a; }
footer p, footer > a:last-child { color: #89929c; font-size: 8px; font-weight: 850; letter-spacing: .09em; text-transform: uppercase; }
footer > a:last-child { color: #e6c47f; }
.study-dialog { width: 100vw; max-width: none; height: 100dvh; max-height: none; margin: 0; padding: 0; border: 0; background: #06090d; color: #fff; }
.study-dialog::backdrop { background: rgba(0,0,0,.88); }
.study-dialog-shell { height: 100%; display: grid; grid-template-rows: auto auto minmax(0, 1fr) auto; }
.study-dialog-header { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 14px clamp(16px, 4vw, 56px); border-bottom: 1px solid rgba(255,255,255,.1); background: #0a1018; }
.study-dialog-header p { margin: 0 0 4px; color: #e4bf75; font-size: 7px; font-weight: 900; letter-spacing: .14em; text-transform: uppercase; }
.study-dialog-header h2 { margin: 0; font-family: var(--serif); font-size: clamp(24px, 3vw, 38px); font-weight: 400; line-height: 1; }
.study-close { width: 46px; height: 46px; display: grid; place-items: center; flex: 0 0 auto; border: 1px solid rgba(255,255,255,.22); border-radius: 50%; background: transparent; color: #fff; font-size: 28px; cursor: pointer; }
.study-toolbar { min-height: 62px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 22px; padding: 10px clamp(12px, 4vw, 55px); border-bottom: 1px solid rgba(255,255,255,.08); background: #0e151f; }
.zoom-controls, .file-actions { display: flex; align-items: center; gap: 6px; }
.zoom-controls button, .file-actions a { min-width: 42px; min-height: 39px; display: grid; place-items: center; padding: 8px 11px; border: 1px solid rgba(255,255,255,.18); background: #151f2b; color: #fff; cursor: pointer; }
.zoom-controls button { font-size: 18px; }
.zoom-controls #zoom-reset { min-width: 72px; font-size: 9px; font-weight: 850; }
.file-actions a { min-width: auto; font-size: 7px; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.file-actions a:last-child { border-color: #d4ab58; background: #d4ab58; color: #12100b; }
.study-toolbar > p { margin: 0; color: #7f8995; font-size: 9px; text-align: center; }
.study-stage { min-height: 0; overflow: auto; padding: clamp(14px, 3vw, 40px); background-color: #05070a; background-image: linear-gradient(45deg, #0a0d12 25%, transparent 25%), linear-gradient(-45deg, #0a0d12 25%, transparent 25%), linear-gradient(45deg, transparent 75%, #0a0d12 75%), linear-gradient(-45deg, transparent 75%, #0a0d12 75%); background-position: 0 0, 0 8px, 8px -8px, -8px 0; background-size: 16px 16px; text-align: center; }
.study-stage img { width: 100%; max-width: none; height: auto; margin: 0 auto; border: 1px solid rgba(255,255,255,.16); box-shadow: 0 30px 90px rgba(0,0,0,.65); transform-origin: top center; }
.study-navigation { min-height: 58px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 18px; padding: 8px clamp(12px, 4vw, 55px); border-top: 1px solid rgba(255,255,255,.09); background: #0a1018; }
.study-navigation button { justify-self: start; min-height: 38px; padding: 8px 13px; border: 1px solid rgba(255,255,255,.18); background: transparent; color: #fff; font-size: 8px; font-weight: 850; letter-spacing: .09em; text-transform: uppercase; cursor: pointer; }
.study-navigation button:last-child { justify-self: end; }
.study-navigation p { margin: 0; color: #8c96a2; font-size: 8px; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
:focus-visible { outline: 2px solid #efc970; outline-offset: 4px; }
@media (max-width: 1180px) {
  .study-hero { grid-template-columns: 1fr; }
  .study-promise { border-top: 1px solid rgba(255,255,255,.1); border-left: 0; }
  .guide-grid { grid-template-columns: 1fr; }
  .guide-card { grid-template-columns: minmax(300px, .75fr) minmax(0, 1.25fr); }
}
@media (max-width: 820px) {
  .study-header { position: static; align-items: flex-start; flex-direction: column; }
  .study-header nav { justify-content: flex-start; }
  .audience-strip { grid-template-columns: 1fr; }
  .audience-strip a + a { border-top: 1px solid rgba(255,255,255,.1); border-left: 0; }
  .section-heading { grid-template-columns: 1fr; gap: 25px; }
  .section-heading > p { justify-self: start; }
  .guide-card { grid-template-columns: 1fr; }
  .guide-preview { min-height: 620px; border-right: 0; border-bottom: 1px solid #e1d7da; }
  .guide-section-men .guide-preview { border-bottom-color: rgba(255,255,255,.09); }
  .safety-section { grid-template-columns: 1fr; }
  .study-toolbar { grid-template-columns: 1fr auto; }
  .study-toolbar > p { display: none; }
}
@media (max-width: 600px) {
  .study-header nav a:nth-last-child(-n+2) { display: none; }
  .hero-copy { padding-inline: 22px; }
  .hero-copy h1 { font-size: clamp(56px, 18vw, 78px); }
  .hero-actions, .hero-actions .button { width: 100%; }
  .hero-metrics { grid-template-columns: 1fr; }
  .hero-metrics div { display: flex; align-items: center; gap: 14px; }
  .hero-metrics div + div { border-top: 1px solid rgba(255,255,255,.1); border-left: 0; }
  .study-promise { padding-inline: 24px; }
  .study-promise li { grid-template-columns: 1fr; gap: 7px; }
  .guide-section { padding-inline: 14px; }
  .section-heading h2 { font-size: 48px; }
  .guide-preview { min-height: 520px; padding: 12px; }
  .guide-copy { padding: 30px 22px; }
  .guide-actions { align-items: stretch; flex-direction: column; }
  .safety-section { gap: 25px; }
  footer { align-items: flex-start; flex-direction: column; }
  .study-dialog-header { min-height: 66px; }
  .study-toolbar { gap: 8px; padding-inline: 8px; }
  .file-actions a:first-child { display: none; }
  .file-actions a { padding-inline: 9px; }
  .study-stage { padding: 8px; }
  .study-navigation { padding-inline: 8px; }
  .study-navigation button { font-size: 7px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}