:root {
  --orange: #ff6422;
  --orange-dark: #c94717;
  --lime: #dff47b;
  --ink: #11120f;
  --muted: #666860;
  --cream: #f5f2eb;
  --line: #deddd7;
  --white: #ffffff;
  --max: 1440px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; overflow-x: hidden; color: var(--ink); background: #faf9f6; font-family: "DM Sans", Arial, sans-serif; }
body, button, input { font-size: 16px; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { cursor: pointer; }
img { display: block; max-width: 100%; }

.skip-link { position: fixed; left: 18px; top: 12px; z-index: 50; padding: 10px 14px; color: var(--white); background: var(--ink); transform: translateY(-150%); transition: transform .2s ease; }
.skip-link:focus { transform: translateY(0); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

.site-header { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; min-height: 62px; gap: 38px; padding: 0 4vw; background: rgba(255, 255, 255, .96); border-bottom: 1px solid #ecebe7; backdrop-filter: blur(14px); }
.logo { display: inline-flex; align-items: baseline; font-family: "Manrope", Arial, sans-serif; font-size: 24px; font-weight: 800; letter-spacing: 0; white-space: nowrap; }
.logo strong, .aesisense-brand strong, .gallery-material strong { color: var(--orange); }
.desktop-nav { display: flex; align-items: center; gap: clamp(18px, 2.4vw, 34px); margin: 0 auto; font-size: 13px; font-weight: 500; }
.desktop-nav a, .footer-links a { transition: color .18s ease; }
.desktop-nav a:hover, .footer-links a:hover { color: var(--orange); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.language-button { display: inline-flex; align-items: center; gap: 5px; padding: 8px 0; color: var(--ink); border: 0; background: transparent; font-size: 13px; }
.language-button svg { width: 17px; height: 17px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 40px; padding: 10px 18px; border: 1px solid transparent; border-radius: 999px; font-size: 12px; font-weight: 700; letter-spacing: .02em; text-transform: uppercase; transition: transform .2s ease, background .2s ease, color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button svg { width: 16px; height: 16px; }
.button-dark { color: var(--white); background: var(--ink); }
.button-dark:hover { background: #33352f; }
.button-lime { color: var(--ink); background: var(--lime); }
.button-outline { color: var(--ink); background: transparent; border-color: #adada6; }
.button-outline:hover { background: var(--white); }
.button-orange { color: var(--white); background: var(--orange); }
.button-orange:hover { background: var(--orange-dark); }
.icon-button { display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 42px; padding: 0; border: 1px solid var(--ink); border-radius: 50%; color: var(--ink); background: transparent; }
.icon-button svg { width: 20px; height: 20px; }
.menu-button { display: none; }
.mobile-nav { display: none; }

.hero { position: relative; min-height: 480px; overflow: hidden; background: var(--cream); isolation: isolate; }
.hero::before { position: absolute; inset: 0; z-index: 1; content: ""; pointer-events: none; background: linear-gradient(90deg, rgba(245, 242, 235, .99) 0%, rgba(245, 242, 235, .94) 31%, rgba(245, 242, 235, .72) 43%, rgba(245, 242, 235, 0) 68%); }
.hero-copy { position: relative; z-index: 2; display: flex; flex-direction: column; justify-content: center; width: 44%; min-height: 480px; padding: 48px 5vw 42px; }
.eyebrow, .section-kicker { margin: 0 0 14px; color: var(--muted); font-size: 13px; font-weight: 600; letter-spacing: .02em; }
.hero h1, .section h2, .aesisense h2, .connections h2, .about h2 { font-family: "Manrope", Arial, sans-serif; font-weight: 700; letter-spacing: 0; }
.hero h1 { max-width: 650px; margin: 0; font-size: clamp(44px, 4.3vw, 68px); line-height: .94; }
.hero-lead { max-width: 480px; margin: 20px 0 0; color: #42443e; font-size: clamp(18px, 1.5vw, 23px); line-height: 1.4; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.hero-principles { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 25px; color: #7a7b74; font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
.hero-principles span + span::before { content: "•"; margin-right: 14px; color: var(--orange); }
.hero-media { position: absolute; inset: 0; z-index: 0; display: block; overflow: hidden; background: #f3f3f1; }
.hero-media img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center 43%; transition: transform .45s ease; }
.hero-media:hover img { transform: scale(1.025); }

.section { padding: 42px 5vw; background: var(--white); border-bottom: 1px solid #ecebe7; }
.section-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 70px; max-width: var(--max); margin: 0 auto; }
.section-heading > div { flex: 1 1 auto; }
.section-heading > p, .section-heading > .heading-side, .section-heading > .quiet-copy { max-width: 450px; margin: 3px 0 0; color: #5f615b; line-height: 1.55; }
.heading-side > p { margin: 0; }
.section-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 19px; font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.section-link svg { width: 15px; height: 15px; transition: transform .2s ease; }
.section-link:hover { color: var(--orange); }
.section-link:hover svg { transform: translateX(3px); }
.section h2, .connections h2, .about h2 { margin: 0; font-size: clamp(34px, 3.5vw, 52px); line-height: .98; }
.signal-flow { display: grid; grid-template-columns: 1fr 32px 1fr 32px 1fr 32px 1fr; align-items: center; max-width: var(--max); margin: 32px auto 0; }
.signal-flow article { min-width: 0; text-align: center; }
.signal-flow > svg { width: 18px; color: #999b95; }
.signal-flow article > p:last-child { max-width: 180px; margin: 6px auto 0; color: var(--muted); font-size: 13px; line-height: 1.4; }
.signal-flow h3 { margin: 5px 0 0; font-size: 17px; text-transform: uppercase; }
.step-number, .science-steps article > span { margin: 15px 0 0; color: #9a9c95; font-size: 12px; font-weight: 700; letter-spacing: .08em; }
.signal-visual { position: relative; display: grid; place-items: center; width: 100%; height: 72px; }
.waveform::before { content: ""; display: block; width: 82%; height: 44px; background: repeating-linear-gradient(160deg, transparent 0 8px, #b8bbb3 9px 10px, transparent 11px 18px); clip-path: polygon(0 52%, 8% 48%, 16% 60%, 22% 29%, 29% 58%, 38% 43%, 46% 65%, 55% 30%, 65% 58%, 74% 43%, 83% 58%, 91% 40%, 100% 54%, 100% 64%, 0 64%); }
.pulse::before { content: ""; display: block; width: 82%; height: 54px; background: linear-gradient(90deg, transparent 0 8%, var(--orange) 9% 10%, transparent 11% 18%, var(--orange) 19% 20%, transparent 21% 35%, var(--orange) 36% 37%, transparent 38% 48%, var(--orange) 49% 50%, transparent 51% 64%, var(--orange) 65% 66%, transparent 67% 100%); border-radius: 50%; transform: rotate(-4deg); }
.rings { width: 86px; height: 86px; margin: 3px auto; border-radius: 50%; background: repeating-radial-gradient(circle, var(--orange) 0 3px, transparent 4px 14px); }
.control-orb { width: 106px; height: 82px; margin: 3px auto; border-radius: 50%; background: radial-gradient(circle, var(--orange) 0 19%, #ff9b6e 20% 43%, #ffd0bd 44% 67%, #ffebe3 68%); }

.products { background: #fbfbfa; }
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; max-width: var(--max); margin: 28px auto 0; }
.product-card { position: relative; display: flex; flex-direction: column; min-height: 250px; overflow: hidden; padding: 20px; border-radius: 8px; color: var(--white); background: #333; isolation: isolate; }
.product-card::after { position: absolute; inset: 0; z-index: -1; content: ""; background: linear-gradient(180deg, rgba(0, 0, 0, .08), rgba(0, 0, 0, .68)); }
.product-card > * { position: relative; z-index: 1; }
.product-control { background: url("assets/control-worn-v12-web.jpg") center 52% / cover; }
.product-sleep { background: url("assets/sleep-dusk-v12-web.jpg") center 56% / cover; }
.product-recovery { background: url("assets/recovery-rest-v12-web.jpg") center 52% / cover; }
.product-performance { background: url("assets/performance-run-v12-web.jpg") center 49% / cover; }
.card-label { font-size: 20px; font-weight: 500; text-transform: uppercase; }
.product-card p { margin: 30px 0 0; font-family: "Manrope", Arial, sans-serif; font-size: 18px; line-height: 1.25; }
.product-card div { display: flex; align-items: center; justify-content: space-between; margin-top: auto; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }
.product-card div svg { width: 29px; height: 29px; padding: 6px; border: 1px solid rgba(255, 255, 255, .7); border-radius: 50%; }

.aesisense { display: grid; grid-template-columns: 43% 57%; overflow: hidden; background: linear-gradient(112deg, #fff2e9 0%, #ffd2b8 56%, #ff8149 100%); }
.aesisense-copy { display: flex; flex-direction: column; justify-content: center; padding: 42px 5vw; }
.aesisense-brand { margin: 0; font-size: clamp(20px, 2vw, 27px); letter-spacing: .23em; }
.aesisense-brand span { display: inline-block; margin-left: 12px; font-size: 10px; letter-spacing: .04em; }
.aesisense h2 { max-width: 540px; margin: 20px 0 15px; font-size: clamp(34px, 3.15vw, 48px); line-height: .98; }
.aesisense-copy > p:not(.aesisense-brand) { max-width: 560px; color: #3f2a22; font-size: 16px; line-height: 1.45; }
.aesisense h3 { margin: 17px 0 17px; font-size: 14px; letter-spacing: .16em; text-transform: uppercase; }
.launch-row { display: flex; align-items: center; flex-wrap: wrap; gap: 20px; }
.kickstarter { display: inline-flex; flex-direction: column; font-size: 18px; font-weight: 800; line-height: 1; }
.kickstarter small { margin-bottom: 3px; font-size: 9px; font-weight: 600; letter-spacing: .08em; }
.product-shot { display: flex; align-items: center; min-height: clamp(300px, 33vw, 520px); height: clamp(300px, 33vw, 520px); padding: 0; }
.product-shot img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center; box-shadow: none; transform: none; transition: transform .35s ease; }
.product-shot:hover img { transform: scale(1.015); }

.connections { display: grid; grid-template-columns: 44% 56%; background: var(--white); }
.connections-copy { padding: 36px 5vw; }
.connections h2 { max-width: 620px; font-size: clamp(34px, 3.7vw, 50px); }
.connections-copy > p:not(.section-kicker) { max-width: 390px; margin: 22px 0; color: var(--muted); line-height: 1.55; }
.connections-copy > strong { font-size: 13px; letter-spacing: .09em; text-transform: uppercase; }
.connection-image { position: relative; min-height: 420px; overflow: hidden; background: linear-gradient(90deg, rgba(15, 18, 18, .28), rgba(15, 18, 18, .04)), url("assets/connection-back-v12-web.jpg") center 42% / cover; }
.connection-image span { position: absolute; top: 42%; right: 15%; color: var(--white); font-size: 13px; letter-spacing: .13em; line-height: 1.55; text-align: center; text-transform: uppercase; }

.science-steps { display: grid; grid-template-columns: repeat(4, 1fr); max-width: var(--max); margin: 32px auto 0; }
.science-steps article { min-width: 0; padding: 0 24px; border-left: 1px solid #d2d2cd; }
.science-steps article:first-child { padding-left: 0; border-left: 0; }
.science-steps article > span { display: block; margin: 0; font-size: 25px; font-weight: 400; }
.science-steps h3 { margin: 12px 0 10px; font-size: 20px; text-transform: uppercase; }
.science-steps p { min-height: 50px; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.4; }
.science-visual { height: 92px; margin-top: 18px; }
.sensor-visual { display: flex; align-items: center; justify-content: center; gap: 3px; background: linear-gradient(90deg, transparent, rgba(255, 100, 34, .18), transparent); border-radius: 50%; }
.sensor-visual i { display: block; width: 22px; height: 46px; border: 1px solid #444; border-radius: 40% 40% 20% 20%; transform: rotate(-12deg); }
.sensor-visual i:nth-child(2), .sensor-visual i:nth-child(4) { height: 67px; border-color: var(--orange); }
.sensor-visual i:nth-child(3) { height: 88px; background: rgba(255, 100, 34, .16); }
.chart-visual { background: linear-gradient(164deg, transparent 45%, var(--orange) 46% 48%, transparent 49%), repeating-linear-gradient(90deg, #bbb 0 1px, transparent 1px 11px), linear-gradient(180deg, transparent 75%, #ddd 76% 77%, transparent 78%); }
.adapt-visual { position: relative; background: radial-gradient(circle at 65% 50%, var(--orange) 0 7%, rgba(255, 100, 34, .38) 8% 18%, rgba(160, 160, 150, .35) 19% 32%, transparent 33%); }
.improve-visual { background: linear-gradient(164deg, transparent 44%, var(--orange) 45% 49%, rgba(255, 100, 34, .3) 50% 53%, transparent 54%), linear-gradient(180deg, transparent 76%, #ddd 77% 78%, transparent 79%); }

.design { background: #fff; }
.quiet-copy h3 { margin: 0 0 10px; font-size: 17px; }
.quiet-copy p { margin: 0; }
.design-gallery { display: grid; grid-template-columns: 1.2fr 1fr 1fr 1fr; gap: 13px; max-width: var(--max); margin: 28px auto 0; }
.design-gallery > * { height: 120px; overflow: hidden; margin: 0; border-radius: 6px; }
.design-gallery img { display: block; width: 100%; height: 100%; object-fit: cover; }
.gallery-main img { object-position: center 58%; }
.gallery-detail img { object-position: center 51%; }
.gallery-material { display: grid; place-items: center; background: #e9e4da; font-size: 22px; letter-spacing: .22em; }
.gallery-device { position: relative; display: grid; place-items: center; background: #f7f6f2; }
.gallery-device img { object-position: center 58%; }

.journal { background: #faf9f6; }
.journal-heading { align-items: end; }
.journal-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 13px; max-width: var(--max); margin: 26px auto 0; }
.journal-grid article { overflow: hidden; border: 1px solid var(--line); border-radius: 9px; background: var(--white); }
.journal-grid article > img, .journal-art { display: block; width: 100%; height: 120px; object-fit: cover; }
.journal-grid article > div:last-child { padding: 14px 15px 17px; }
.journal-grid small { color: #777a73; font-size: 10px; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; }
.journal-grid h3 { min-height: 45px; margin: 10px 0 0; font-size: 16px; line-height: 1.18; }
.neuron-art { background: radial-gradient(circle, #fff 0 2%, #92a4b1 3% 5%, #1d2930 6% 100%); }
.wave-art { background: repeating-radial-gradient(ellipse at center, #80939e 0 1px, #182126 2px 10px); }

.about { display: grid; grid-template-columns: 42% 58%; background: var(--white); }
.about-image { position: relative; min-height: 420px; overflow: hidden; }
.about-image img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: 64% center; filter: saturate(.88); }
.about-image::after { position: absolute; inset: 0; content: ""; background: linear-gradient(180deg, transparent 40%, rgba(13, 26, 21, .58)); }
.about-image span { position: absolute; z-index: 1; right: 12%; bottom: 16%; color: var(--white); font-size: 13px; letter-spacing: .15em; line-height: 1.55; text-align: center; text-transform: uppercase; }
.about-copy { padding: 48px 5vw; }
.about-copy > p:not(.section-kicker) { max-width: 690px; margin: 25px 0 0; color: var(--muted); line-height: 1.55; }
.values { display: grid; grid-template-columns: repeat(5, 1fr); gap: 13px; margin-top: 30px; }
.values span { display: flex; flex-direction: column; align-items: center; gap: 12px; text-align: center; }
.values svg { width: 28px; height: 28px; color: #767971; }
.values b { font-size: 10px; letter-spacing: .05em; text-transform: uppercase; }

.site-footer { display: grid; grid-template-columns: 1.55fr repeat(3, 1fr) 2fr; gap: 30px; padding: 24px 5vw 14px; background: var(--white); border-top: 1px solid var(--line); }
.footer-brand, .footer-links, .signup { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.footer-brand p, .signup p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.45; }
.footer-links strong, .signup strong { margin-bottom: 5px; font-size: 12px; text-transform: uppercase; }
.footer-links a { color: var(--muted); font-size: 12px; }
.social-links { display: flex; gap: 8px; margin-top: 11px; }
.social-links a { display: grid; place-items: center; width: 26px; height: 26px; border: 1px solid #c6c7c0; border-radius: 50%; font-size: 10px; font-weight: 700; }
.signup label { display: flex; width: 100%; overflow: hidden; border: 1px solid #d1d1ca; border-radius: 999px; }
.signup input { min-width: 0; width: 100%; padding: 12px 15px; border: 0; outline: 0; background: transparent; }
.signup button { display: grid; place-items: center; flex: 0 0 42px; width: 42px; height: 42px; margin: 2px; border: 0; border-radius: 50%; color: var(--white); background: var(--ink); }
.signup button svg { width: 16px; height: 16px; }
.form-message { min-height: 17px; color: var(--orange-dark); font-size: 12px; }
.footer-bottom { grid-column: 1 / -1; display: flex; justify-content: space-between; gap: 20px; margin-top: 10px; padding-top: 12px; color: #888a82; border-top: 1px solid #e3e3df; font-size: 11px; }
.footer-bottom div { display: flex; gap: 18px; }

@media (min-width: 641px) and (max-width: 820px) {
  .site-header { min-height: 56px; gap: 12px; padding: 0 14px; }
  .logo { font-size: 20px; }
  .desktop-nav { gap: 10px; font-size: 11px; }
  .desktop-nav a:nth-child(4) { display: none; }
  .header-actions { gap: 7px; }
  .language-label { display: none; }
  .language-button svg { width: 15px; height: 15px; }
  .header-cta { min-height: 34px; padding: 7px 10px; font-size: 9px; }
  .header-cta svg { width: 13px; height: 13px; }
  .hero-copy { width: 44%; padding-right: 4vw; padding-left: 4vw; }
  .hero h1 { font-size: 42px; }
  .hero-lead { font-size: 16px; }
  .hero-actions .button { padding-right: 12px; padding-left: 12px; font-size: 10px; }
}

@media (max-width: 640px) {
  .site-header { gap: 22px; }
  .desktop-nav { gap: 18px; }
  .header-cta { padding-right: 15px; padding-left: 15px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .product-card { min-height: 300px; }
  .site-footer { grid-template-columns: 1.4fr repeat(2, 1fr) 1.8fr; }
  .footer-links:nth-of-type(3) { grid-column: 3; }
}

@media (max-width: 640px) {
  .site-header { min-height: 66px; padding: 0 18px; }
  .desktop-nav, .header-cta { display: none; }
  .menu-button { display: inline-flex; }
  .mobile-nav { display: flex; flex-direction: column; gap: 0; padding: 10px 18px 20px; background: var(--white); border-bottom: 1px solid var(--line); }
  .mobile-nav[hidden] { display: none; }
  .mobile-nav a { padding: 13px 0; border-bottom: 1px solid #ecece8; font-size: 15px; }
  .mobile-nav a:last-child { margin-top: 14px; border: 0; }
  .hero { min-height: 650px; }
  .hero::before { background: linear-gradient(180deg, rgba(245, 242, 235, .99) 0%, rgba(245, 242, 235, .98) 49%, rgba(245, 242, 235, .75) 67%, rgba(245, 242, 235, .08) 100%); }
  .hero-copy { justify-content: flex-start; width: 100%; min-height: 650px; padding: 54px 7vw 50px; }
  .hero-media { min-height: 0; }
  .hero-media img { object-position: 64% center; }
  .section { padding: 72px 7vw; }
  .section-heading { display: block; }
  .section-heading > p, .section-heading > .quiet-copy { margin-top: 22px; }
  .signal-flow { grid-template-columns: repeat(2, 1fr); gap: 35px 24px; margin-top: 48px; }
  .signal-flow > svg { display: none; }
  .aesisense, .connections, .about { grid-template-columns: 1fr; }
  .aesisense-copy, .connections-copy, .about-copy { padding: 70px 7vw; }
  .product-shot { min-height: 350px; height: 350px; padding: 0; }
  .connection-image { min-height: 360px; }
  .science-steps { grid-template-columns: repeat(2, 1fr); gap: 40px 0; }
  .science-steps article:nth-child(3) { border-left: 0; padding-left: 0; }
  .design-gallery { grid-template-columns: repeat(2, 1fr); }
  .journal-grid { grid-template-columns: repeat(2, 1fr); }
  .about-image { min-height: 350px; }
  .site-footer { grid-template-columns: repeat(2, 1fr); padding: 50px 7vw 24px; }
  .footer-brand, .signup { grid-column: 1 / -1; }
  .footer-bottom { margin-top: 20px; }
}

@media (max-width: 560px) {
  .logo { font-size: 22px; }
  .language-label { display: none; }
  .hero-copy { min-height: 410px; padding: 53px 18px 42px; }
  .hero h1 { font-size: 47px; }
  .hero-lead { font-size: 18px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .hero-actions .button { width: 100%; }
  .hero-media { min-height: 260px; }
  .section { padding: 62px 18px; }
  .section h2, .connections h2, .about h2 { font-size: 37px; }
  .signal-flow, .product-grid, .science-steps, .design-gallery, .journal-grid { grid-template-columns: 1fr; }
  .signal-flow { gap: 28px; }
  .product-card { min-height: 300px; }
  .aesisense-copy, .connections-copy, .about-copy { padding: 58px 18px; }
  .aesisense h2 { font-size: 42px; }
  .product-shot { min-height: 270px; height: 270px; padding: 0; }
  .connection-image { min-height: 290px; }
  .science-steps article, .science-steps article:nth-child(3) { padding: 0; border-left: 0; border-top: 1px solid var(--line); padding-top: 28px; }
  .science-steps article:first-child { border-top: 0; padding-top: 0; }
  .gallery-main, .gallery-detail, .gallery-material, .gallery-device { height: 180px; }
  .values { grid-template-columns: repeat(2, 1fr); gap: 25px 10px; }
  .values span:last-child { grid-column: 1 / -1; }
  .site-footer { grid-template-columns: 1fr; padding: 48px 18px 22px; }
  .footer-brand, .footer-links, .signup { grid-column: auto; }
  .footer-bottom { flex-direction: column; gap: 12px; }
  .footer-bottom div { gap: 14px; }
}