:root {
  --navy: #071725;
  --navy-2: #0c2233;
  --ink: #102839;
  --cyan: #31d7c8;
  --blue: #2077ff;
  --paper: #f3f7f8;
  --white: #ffffff;
  --muted: #75909f;
  --line: rgba(16, 40, 57, .14);
  --radius: 28px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
section[id] { scroll-margin-top: 84px; }
body { margin: 0; font-family: "DM Sans", sans-serif; color: var(--ink); background: var(--paper); font-size: 16px; line-height: 1.6; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 20; height: 84px; display: flex; align-items: center; justify-content: space-between; padding: 0 clamp(24px, 5vw, 76px); color: white; background: rgba(7, 23, 37, .78); backdrop-filter: blur(20px); border-bottom: 1px solid rgba(255,255,255,.1); }
.scroll-fade { position: fixed; z-index: 19; top: 84px; left: 0; right: 0; height: 132px; pointer-events: none; opacity: 0; background: linear-gradient(to bottom, rgba(7,23,37,.2), rgba(7,23,37,.04) 42%, transparent); backdrop-filter: blur(13px); -webkit-backdrop-filter: blur(13px); mask-image: linear-gradient(to bottom, #000 0%, rgba(0,0,0,.72) 48%, transparent 100%); -webkit-mask-image: linear-gradient(to bottom, #000 0%, rgba(0,0,0,.72) 48%, transparent 100%); transition: opacity .35s ease; }
body.scrolled .scroll-fade { opacity: 1; }
.brand { display: inline-flex; align-items: center; gap: 12px; line-height: 1; }
.brand > span:last-child { display: grid; gap: 5px; }
.brand strong { font: 800 18px/1 "Manrope", sans-serif; letter-spacing: .12em; }
.brand small { font-size: 9px; letter-spacing: .2em; color: #93acba; }
.brand-mark { display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid rgba(49,215,200,.55); border-radius: 10px; transform: rotate(45deg); }
.brand-mark i { width: 15px; height: 3px; background: var(--cyan); box-shadow: 0 0 16px var(--cyan); transform: rotate(-45deg); }
.header-cta { color: var(--cyan); font-size: 14px; font-weight: 700; display: flex; align-items: center; gap: 10px; }
.header-cta span { font-size: 18px; }

.hero { position: relative; min-height: 780px; height: 100vh; overflow: hidden; display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; padding: 120px clamp(24px, 7vw, 110px) 60px; color: white; background: radial-gradient(circle at 73% 45%, rgba(32,119,255,.23), transparent 30%), linear-gradient(135deg, #071725 0%, #0a1d2c 65%, #06121e 100%); }
.hero-grid { position: absolute; inset: 0; opacity: .13; background-image: linear-gradient(rgba(255,255,255,.14) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.14) 1px, transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(to bottom, transparent, black 15%, black 75%, transparent); }
.hero-copy { position: relative; z-index: 2; max-width: 690px; }
.eyebrow { margin: 0 0 22px; display: flex; align-items: center; gap: 10px; font: 700 12px/1 "Manrope", sans-serif; letter-spacing: .18em; color: var(--cyan); }
.eyebrow > span { width: 26px; height: 1px; background: currentColor; }
.eyebrow.dark { color: #138e87; }
h1, h2 { margin: 0; font-family: "Manrope", sans-serif; letter-spacing: -.055em; line-height: .98; }
h1 { font-size: clamp(54px, 7vw, 102px); font-weight: 700; }
h1 em, h2 em { color: var(--cyan); font-style: normal; font-weight: 500; }
.lead { max-width: 610px; margin: 30px 0; font-size: clamp(17px, 1.5vw, 20px); color: #aec0ca; line-height: 1.65; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.button { min-height: 50px; padding: 0 24px; display: inline-flex; align-items: center; justify-content: center; border-radius: 8px; font-weight: 700; font-size: 14px; transition: .2s ease; }
.button.primary { background: var(--cyan); color: #062029; box-shadow: 0 12px 34px rgba(49,215,200,.15); }
.button.primary:hover { transform: translateY(-2px); background: #5ee5d8; }
.button.ghost { color: white; border: 1px solid rgba(255,255,255,.22); }
.button.ghost:hover { border-color: var(--cyan); color: var(--cyan); }
.trust-row { display: flex; gap: clamp(20px, 3vw, 42px); margin-top: 46px; padding-top: 25px; border-top: 1px solid rgba(255,255,255,.12); color: #8ca1ad; font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
.trust-row span { display: flex; align-items: baseline; gap: 8px; }
.trust-row b { font: 700 21px "Manrope"; color: white; }
.product-stage { position: relative; z-index: 2; justify-self: center; width: min(46vw, 620px); aspect-ratio: 1; display: grid; place-items: center; }
.product-stage img { position: relative; z-index: 3; width: 72%; max-height: 62vh; object-fit: contain; filter: drop-shadow(0 38px 46px rgba(0,0,0,.48)) saturate(.92); border-radius: 30px; }
.product-halo { position: absolute; width: 70%; height: 70%; border-radius: 50%; background: radial-gradient(circle, rgba(49,215,200,.22), rgba(32,119,255,.08) 45%, transparent 70%); filter: blur(12px); }
.orbit { position: absolute; border: 1px solid rgba(49,215,200,.2); border-radius: 50%; }
.orbit-one { width: 88%; height: 88%; animation: orbit 18s linear infinite; }
.orbit-two { width: 68%; height: 68%; border-style: dashed; animation: orbit 13s linear reverse infinite; }
.orbit:before { content: ""; position: absolute; top: 8%; left: 20%; width: 8px; height: 8px; background: var(--cyan); border-radius: 50%; box-shadow: 0 0 20px var(--cyan); }
@keyframes orbit { to { transform: rotate(360deg); } }
.float-card { position: absolute; z-index: 4; padding: 12px 15px; border: 1px solid rgba(255,255,255,.18); background: rgba(8,27,42,.78); backdrop-filter: blur(12px); border-radius: 10px; box-shadow: 0 18px 40px rgba(0,0,0,.25); }
.float-card span { display: block; color: var(--cyan); font: 700 10px "Manrope"; letter-spacing: .15em; }
.float-card strong { font-size: 12px; }
.card-channel { top: 24%; left: 1%; }
.card-mode { right: 0; bottom: 22%; }
.scroll-cue { position: absolute; left: clamp(24px, 7vw, 110px); bottom: 25px; display: flex; align-items: center; gap: 10px; font-size: 11px; letter-spacing: .15em; text-transform: uppercase; color: #8298a5; }
.scroll-cue span { width: 1px; height: 28px; display: block; background: var(--cyan); }
.signal { position: absolute; height: 1px; background: linear-gradient(90deg, transparent, var(--cyan), transparent); opacity: .35; transform: rotate(-13deg); }
.signal-a { width: 45%; right: -5%; top: 36%; }
.signal-b { width: 35%; right: 3%; top: 65%; }

.section { padding: 120px clamp(24px, 7vw, 110px); }
.section-heading { display: grid; grid-template-columns: 1.1fr .9fr; gap: 60px; align-items: end; margin-bottom: 65px; }
.section-heading .eyebrow { grid-column: 1 / -1; margin-bottom: -25px; }
h2 { font-size: clamp(45px, 5.6vw, 78px); color: var(--ink); }
.section-heading > p:last-child { max-width: 550px; margin: 0; color: #5f7887; font-size: 18px; }
.feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.feature { position: relative; overflow: hidden; min-height: 340px; padding: 34px; display: flex; flex-direction: column; justify-content: flex-end; border: 1px solid var(--line); border-radius: var(--radius); background: white; }
.feature.featured { background: var(--ink); color: white; }
.feature-number { position: absolute; top: 25px; left: 28px; font: 700 11px "Manrope"; color: #86a0ae; }
.feature h3 { max-width: 420px; margin: 0 0 10px; font: 700 25px "Manrope"; line-height: 1.2; }
.feature p { max-width: 500px; margin: 0; color: #728a97; font-size: 16px; }
.feature.featured p { color: #a9bdc8; }
.channel-visual { position: absolute; top: 66px; left: 34px; width: min(410px, calc(100% - 68px)); height: 112px; display: flex; align-items: center; justify-content: space-between; }
.channel-visual span { display: grid; place-items: center; width: 54px; height: 54px; border: 1px solid rgba(49,215,200,.6); border-radius: 50%; color: var(--cyan); font: 700 18px "Manrope"; }
.channel-visual i { height: 1px; flex: 1; margin: 0 10px; background: linear-gradient(90deg, var(--cyan), var(--blue)); position: relative; }
.channel-visual i:after { content: ""; position: absolute; right: 40%; top: -5px; width: 10px; height: 10px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 18px var(--cyan); }
.mode-pills, .program-list { position: absolute; top: 64px; left: 34px; right: 34px; display: flex; flex-wrap: wrap; gap: 10px; }
.mode-pills span { padding: 11px 18px; border: 1px solid rgba(32,119,255,.22); border-radius: 100px; color: #1768d9; background: #edf4ff; font: 700 13px "Manrope"; }
.program-list { display: grid; grid-template-columns: repeat(3, 1fr); }
.program-list span { min-height: 46px; display: grid; place-items: center; border: 1px solid rgba(49,215,200,.22); border-radius: 10px; color: #a7c5cd; background: rgba(49,215,200,.065); font: 700 13px "Manrope"; }
.feature-programs { color: white; background: linear-gradient(145deg, #0d3145, #071725); }
.feature-programs p { color: #a9bdc8; }
.timer-visual { position: absolute; top: 64px; left: 34px; right: 34px; display: flex; align-items: flex-end; gap: 15px; color: var(--blue); }
.timer-visual strong { font: 800 88px/.78 "Manrope"; letter-spacing: -.08em; }
.timer-visual span { max-width: 80px; padding-bottom: 2px; color: #758d99; font: 700 11px/1.25 "Manrope"; letter-spacing: .08em; text-transform: uppercase; }

.use { background: var(--navy); color: white; }
.use h2 { color: white; }
.use-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: end; }
.use-intro .eyebrow { grid-column: 1 / -1; margin-bottom: -25px; }
.use-intro > p:not(.eyebrow) { color: #9fb3bf; max-width: 570px; font-size: 17px; margin: 0; }
.zone-tabs { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.zone-tabs button { padding: 11px 20px; color: #9eb1bc; border: 1px solid rgba(255,255,255,.14); background: transparent; border-radius: 100px; cursor: pointer; }
.zone-tabs button:hover, .zone-tabs button.active { color: #062029; border-color: var(--cyan); background: var(--cyan); }
.use-panel { margin-top: 44px; display: grid; grid-template-columns: 1fr 1fr; min-height: 620px; border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius); overflow: hidden; background: var(--navy-2); }
.body-map { position: relative; display: grid; place-items: center; min-height: 620px; overflow: hidden; color: #547080; background: radial-gradient(circle at center, rgba(49,215,200,.1), transparent 58%), #081b2a; border-right: 1px solid rgba(255,255,255,.1); }
.body-map img { position: relative; z-index: 1; width: 94%; height: 590px; object-fit: contain; filter: drop-shadow(0 24px 35px rgba(0,0,0,.3)); }
.zone-markers { position: absolute; z-index: 3; left: 50%; top: 50%; width: min(94%, 393px); height: 590px; transform: translate(-50%, -50%); pointer-events: none; }
.zone-dot { position: absolute; display: none; width: 14px; height: 14px; border: 2px solid #fff; border-radius: 50%; background: #ff3535; box-shadow: 0 0 0 7px rgba(255,53,53,.18), 0 0 20px rgba(255,53,53,.85); transform: translate(-50%, -50%); animation: marker-pulse 1.8s ease-in-out infinite; }
.body-map[data-active-zone="omuz"] .zone-dot.omuz,
.body-map[data-active-zone="bel"] .zone-dot.bel,
.body-map[data-active-zone="eklem"] .zone-dot.eklem,
.body-map[data-active-zone="kol"] .zone-dot.kol,
.body-map[data-active-zone="bacak"] .zone-dot.bacak,
.body-map[data-active-zone="ayak"] .zone-dot.ayak { display: block; }
.dot-shoulder-front-left { left: 14%; top: 22%; } .dot-shoulder-front-right { left: 38%; top: 22%; }
.dot-shoulder-back-left { left: 62%; top: 22%; } .dot-shoulder-back-right { left: 87%; top: 22%; }
.dot-waist-left { left: 68%; top: 40%; } .dot-waist-right { left: 80%; top: 40%; }
.dot-knee-left { left: 17%; top: 64%; } .dot-knee-right { left: 34%; top: 64%; }
.dot-arm-left { left: 9%; top: 31%; } .dot-arm-right { left: 43%; top: 31%; }
.dot-calf-left { left: 15%; top: 72%; } .dot-calf-right { left: 36%; top: 72%; }
.dot-foot-left { left: 16%; top: 86%; } .dot-foot-right { left: 36%; top: 86%; }
@keyframes marker-pulse { 50% { box-shadow: 0 0 0 11px rgba(255,53,53,.08), 0 0 24px rgba(255,53,53,.95); } }
.map-label { position: absolute; left: 25px; bottom: 22px; color: #6e8795; font: 700 10px "Manrope"; letter-spacing: .14em; }
.map-label strong { display: block; margin-top: 3px; color: var(--cyan); font-size: 15px; letter-spacing: .05em; }
.steps { padding: clamp(30px, 5vw, 70px); }
.step-kicker { color: var(--cyan); font: 700 11px "Manrope"; letter-spacing: .16em; }
.steps ol { padding: 0; margin: 24px 0; list-style: none; }
.steps li { display: grid; grid-template-columns: 56px 1fr; gap: 18px; padding: 20px 0; border-top: 1px solid rgba(255,255,255,.1); }
.steps li > span { color: #5e7887; font: 600 12px "Manrope"; }
.steps strong { font: 700 18px "Manrope"; }
.steps li p { margin: 5px 0 0; color: #91a8b5; }
.mini-note { display: flex; gap: 12px; padding: 16px; color: #9fb1ba; background: rgba(49,215,200,.07); border-radius: 12px; font-size: 13px; }
.mini-note span { flex: 0 0 22px; height: 22px; display: grid; place-items: center; color: var(--cyan); border: 1px solid var(--cyan); border-radius: 50%; font-weight: 700; }

.science { background: #eef4f5; }
.science-top { display: grid; grid-template-columns: 1.15fr .85fr; gap: 60px; align-items: end; margin-bottom: 55px; }
.science-top > p { margin: 0; color: #5f7887; font-size: 17px; }
.research-panel { display: grid; grid-template-columns: .92fr 1.08fr; overflow: hidden; border-radius: var(--radius); background: white; border: 1px solid var(--line); }
.research-lead { min-height: 560px; padding: clamp(34px, 5vw, 64px); display: flex; flex-direction: column; color: white; background: linear-gradient(145deg, #0d3145, #071725); }
.evidence-meta { margin: 0 0 38px; color: var(--cyan); font: 700 12px "Manrope"; letter-spacing: .14em; }
.research-total { display: flex; align-items: flex-end; gap: 18px; }
.research-total strong { color: var(--cyan); font: 800 clamp(76px, 8vw, 120px)/.78 "Manrope"; letter-spacing: -.075em; }
.research-total span { max-width: 150px; padding-bottom: 3px; color: #a9bec9; font: 700 13px/1.35 "Manrope"; text-transform: uppercase; }
.research-lead h3 { max-width: 520px; margin: 32px 0 18px; font: 700 clamp(26px, 3vw, 38px)/1.12 "Manrope"; letter-spacing: -.035em; }
.research-lead > p:not(.evidence-meta) { max-width: 570px; margin: 0; color: #b6c8d1; font-size: 16px; }
.research-lead a { margin-top: auto; padding-top: 26px; color: var(--cyan); border-top: 1px solid rgba(255,255,255,.13); font-weight: 700; font-size: 14px; }
.research-lead a span { float: right; }
.research-points { display: grid; grid-template-rows: repeat(3, 1fr); padding: 20px clamp(28px, 4vw, 52px); }
.research-points article { display: grid; grid-template-columns: 148px 1fr; grid-template-rows: auto auto; column-gap: 28px; align-content: center; padding: 25px 0; border-bottom: 1px solid var(--line); }
.research-points article:last-child { border-bottom: 0; }
.research-points strong { color: var(--blue); font: 800 clamp(26px, 3vw, 42px)/1 "Manrope"; letter-spacing: -.045em; }
.research-points span { align-self: end; color: #78909d; font: 700 11px "Manrope"; letter-spacing: .1em; text-transform: uppercase; }
.research-points h3 { grid-column: 2; margin: 8px 0 6px; font: 700 20px/1.2 "Manrope"; }
.research-points p { grid-column: 2; margin: 0; color: #667f8d; font-size: 15px; }
.research-note { margin: 18px 0 0; color: #748b97; font-size: 13px; }

.safety { background: var(--navy); color: white; }
.safety-title { display: flex; align-items: center; gap: 30px; }
.safety-title h2 { color: white; }
.safety-icon { display: grid; place-items: center; width: 82px; height: 82px; flex: 0 0 82px; color: var(--cyan); border: 1px solid rgba(49,215,200,.4); border-radius: 50%; font-size: 44px; }
.safety-grid { margin-top: 60px; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(255,255,255,.14); border-bottom: 1px solid rgba(255,255,255,.14); }
.safety-grid article { padding: 30px; min-height: 240px; border-right: 1px solid rgba(255,255,255,.14); }
.safety-grid article:last-child { border: 0; }
.safety-grid span { color: var(--cyan); font: 700 11px "Manrope"; }
.safety-grid h3 { margin: 25px 0 12px; font: 700 18px "Manrope"; }
.safety-grid p { margin: 0; color: #91a8b4; font-size: 14px; }
.disclaimer { max-width: 960px; margin: 30px 0 0; color: #7d939e; font-size: 13px; }

.contact { padding: 110px clamp(24px, 7vw, 110px); display: grid; grid-template-columns: 1.15fr .85fr; align-items: end; gap: 70px; color: white; background: linear-gradient(120deg, #0b6f79, #0a8f91 55%, #087b8e); }
.contact h2 { color: white; }
.contact h2 em { color: #b8fff5; }
.contact .eyebrow { color: #b8fff5; }
.contact-side p { max-width: 510px; margin: 0 0 25px; color: #d0f2ef; font-size: 18px; }
.contact-side .button { background: white; color: #08747b; }
.contact-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.contact-side .button.outline-light { color: white; background: transparent; border: 1px solid rgba(255,255,255,.55); }
.contact-side address { margin-top: 20px; color: rgba(255,255,255,.78); font-style: normal; font-size: 14px; }
footer { min-height: 130px; padding: 35px clamp(24px, 7vw, 110px); display: flex; align-items: center; justify-content: space-between; gap: 30px; color: #718895; background: #06131e; font-size: 12px; }
.footer-brand { color: white; }

@media (max-width: 980px) {
  .hero { height: auto; min-height: 960px; grid-template-columns: 1fr; padding-top: 150px; }
  .product-stage { position: absolute; right: -5%; bottom: 1%; width: 45vw; opacity: .9; }
  .float-card { display: none; }
  .hero-copy { align-self: start; }
  .feature-grid, .safety-grid { grid-template-columns: repeat(2, 1fr); }
  .section-heading, .science-top, .contact { grid-template-columns: 1fr; gap: 32px; }
  .research-panel { grid-template-columns: 1fr; }
  .section-heading .eyebrow { margin-bottom: 0; }
  .use-intro { grid-template-columns: 1fr; gap: 30px; }
  .use-intro .eyebrow { margin-bottom: 0; }
  .zone-tabs { grid-column: 1; }
  .use-panel { grid-template-columns: .95fr 1.05fr; }
}

@media (max-width: 680px) {
  .site-header { height: 70px; padding: 0 18px; }
  .scroll-fade { top: 70px; height: 104px; }
  .header-cta { font-size: 0; }
  .header-cta span { font-size: 22px; }
  .hero { min-height: 980px; padding: 120px 22px 50px; align-items: start; }
  h1 { font-size: clamp(52px, 16vw, 72px); }
  .lead { font-size: 17px; }
  .trust-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
  .trust-row span { display: grid; }
  .product-stage { width: 68vw; right: -14%; bottom: 0; }
  .product-stage img { width: 100%; }
  .float-card { display: none; }
  .scroll-cue { display: none; }
  .section { padding: 82px 22px; }
  h2 { font-size: clamp(42px, 13vw, 60px); }
  .feature-grid, .safety-grid { grid-template-columns: 1fr; }
  .feature { min-height: 320px; }
  .use-panel { grid-template-columns: 1fr; }
  .body-map { min-height: 450px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.1); }
  .body-map img { width: 100%; height: 450px; }
  .zone-markers { width: 300px; height: 450px; }
  .steps { padding: 28px 22px; }
  .research-panel { grid-template-columns: 1fr; }
  .research-lead { min-height: 520px; }
  .research-points article { grid-template-columns: 1fr; gap: 7px; }
  .research-points h3, .research-points p { grid-column: 1; }
  .safety-title { align-items: flex-start; }
  .safety-icon { width: 58px; height: 58px; flex-basis: 58px; }
  .safety-grid article { min-height: 190px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.14); }
  .contact { padding: 82px 22px; }
  footer { padding: 35px 22px; flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *:before, *:after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}