@import url("https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap");

:root {
  color-scheme: dark;
  --ink: #050711;
  --ink-2: #090d1c;
  --panel: rgba(14, 20, 40, 0.68);
  --panel-solid: #0e1428;
  --line: rgba(255, 255, 255, 0.11);
  --text: #f4f7ff;
  --muted: #aab4cd;
  --cyan: #57e6ff;
  --violet: #9b76ff;
  --magenta: #ff65c3;
  --lime: #b8ff9d;
  --max: 1180px;
  --radius: 28px;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.42);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 9% 14%, rgba(87, 230, 255, 0.09), transparent 28rem),
    radial-gradient(circle at 90% 38%, rgba(155, 118, 255, 0.10), transparent 31rem),
    var(--ink);
  color: var(--text);
  font-family: "DM Sans", sans-serif;
  line-height: 1.65;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .035;
  z-index: 30;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");
}
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
img { display: block; max-width: 100%; }
:focus-visible { outline: 3px solid var(--cyan); outline-offset: 4px; }
.skip-link {
  position: fixed; top: 12px; left: 12px; z-index: 100;
  padding: 10px 16px; border-radius: 12px; background: white; color: #050711;
  transform: translateY(-160%); transition: transform .2s;
}
.skip-link:focus { transform: none; }
.wrap { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 9px; margin: 0 0 18px;
  color: var(--cyan); font: 700 .75rem/1 "Manrope", sans-serif;
  letter-spacing: .15em; text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: currentColor; }
.gradient-text {
  color: transparent;
  background: linear-gradient(100deg, #fff 4%, var(--cyan) 43%, var(--violet) 73%, var(--magenta));
  -webkit-background-clip: text; background-clip: text;
}
h1, h2, h3, h4 { font-family: "Manrope", sans-serif; letter-spacing: -.035em; line-height: 1.08; }
p { color: var(--muted); }
.section { padding: clamp(82px, 11vw, 150px) 0; position: relative; }
.section-head { max-width: 760px; margin-bottom: 56px; }
.section-head h2 { margin: 0 0 20px; font-size: clamp(2.35rem, 5.4vw, 4.8rem); }
.section-head p { max-width: 660px; font-size: clamp(1rem, 1.6vw, 1.18rem); }
.glass {
  background: linear-gradient(145deg, rgba(255,255,255,.075), rgba(255,255,255,.025));
  border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); backdrop-filter: blur(18px);
}

/* navigation */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  border-bottom: 1px solid transparent; transition: .3s;
}
.site-header.is-scrolled { background: rgba(5, 7, 17, .82); border-color: var(--line); backdrop-filter: blur(20px); }
.nav { height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font: 800 1rem/1 "Manrope"; text-decoration: none; }
.brand-mark {
  width: 38px; height: 38px; display: grid; place-items: center; position: relative;
  border: 1px solid rgba(87,230,255,.5); border-radius: 50% 50% 46% 54%;
  background: radial-gradient(circle, var(--cyan) 0 10%, #141b38 11% 28%, var(--violet) 29% 38%, transparent 39%);
  box-shadow: 0 0 28px rgba(87,230,255,.26);
}
.brand span:last-child { color: var(--muted); font-weight: 500; }
.nav-links { display: flex; align-items: center; gap: 27px; }
.nav-links a { color: #cbd3e6; font-size: .9rem; font-weight: 600; text-decoration: none; transition: color .2s; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: white; }
.nav-cta { padding: 11px 17px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,.06); }
.menu-toggle { display: none; width: 46px; height: 46px; color: white; border: 1px solid var(--line); border-radius: 14px; background: var(--panel); }
.scroll-progress { position: absolute; bottom: -1px; left: 0; height: 2px; width: 0; background: linear-gradient(90deg, var(--cyan), var(--violet), var(--magenta)); }

/* hero */
.hero { min-height: 100svh; display: grid; align-items: center; padding: 122px 0 56px; overflow: hidden; }
.hero-art {
  position: absolute; inset: 0; z-index: -2; opacity: .88;
  background: linear-gradient(90deg, var(--ink) 0%, rgba(5,7,17,.98) 22%, rgba(5,7,17,.42) 55%, rgba(5,7,17,.12)), url("assets/animal-vision-hero.webp") center/cover no-repeat;
  transform: scale(1.04); will-change: transform;
}
.hero::after {
  content: ""; position: absolute; inset: auto 0 0; height: 28%;
  background: linear-gradient(transparent, var(--ink)); pointer-events: none; z-index: -1;
}
.hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; min-height: 72vh; }
.hero-copy { max-width: 745px; }
.status-pill {
  display: inline-flex; align-items: center; gap: 10px; padding: 9px 14px; margin-bottom: 24px;
  border: 1px solid rgba(184,255,157,.25); border-radius: 999px; color: #dbffd0;
  background: rgba(184,255,157,.07); font-size: .78rem; font-weight: 700;
}
.status-pill::before { content: ""; width: 7px; height: 7px; background: var(--lime); border-radius: 50%; box-shadow: 0 0 14px var(--lime); }
.hero h1 { margin: 0; max-width: 820px; font-size: clamp(3.3rem, 8.3vw, 7.3rem); line-height: .91; }
.hero-lead { max-width: 640px; margin: 28px 0 30px; color: #c7d0e4; font-size: clamp(1.05rem, 1.8vw, 1.3rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; }
.btn {
  display: inline-flex; min-height: 52px; align-items: center; justify-content: center; gap: 10px;
  padding: 0 22px; border: 1px solid var(--line); border-radius: 15px;
  color: white; background: rgba(255,255,255,.06); font-weight: 700; text-decoration: none; transition: .25s ease;
}
.btn:hover { transform: translateY(-3px); border-color: rgba(255,255,255,.28); background: rgba(255,255,255,.1); }
.btn-primary { color: #061018; background: linear-gradient(120deg, var(--cyan), #8bf4ff); border-color: transparent; box-shadow: 0 14px 40px rgba(87,230,255,.2); }
.btn-primary:hover { background: linear-gradient(120deg, #9af3ff, #fff); }
.btn small { opacity: .65; font-weight: 600; }
.hero-note { display: flex; align-items: center; gap: 11px; margin-top: 22px; color: #8995ad; font-size: .82rem; }
.hero-note span { color: var(--cyan); }
.scroll-cue {
  position: absolute; left: 50%; bottom: 22px; display: flex; align-items: center; gap: 10px;
  color: #8892a9; font-size: .72rem; letter-spacing: .14em; text-transform: uppercase;
  transform: translateX(-50%) rotate(90deg); transform-origin: center;
}
.scroll-cue::after { content: ""; width: 38px; height: 1px; background: linear-gradient(90deg, var(--cyan), transparent); }

/* trust + steps */
.trust-strip { position: relative; z-index: 2; margin-top: -22px; }
.trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); overflow: hidden; }
.trust-item { padding: 27px 30px; border-right: 1px solid var(--line); }
.trust-item:last-child { border: 0; }
.trust-item b { display: block; margin-bottom: 5px; font-family: "Manrope"; font-size: 1rem; }
.trust-item span { color: var(--muted); font-size: .88rem; }
.trust-icon { float: left; margin-right: 14px; color: var(--cyan); font-size: 1.35rem; }
.steps { counter-reset: steps; display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.step { min-height: 285px; padding: 30px; position: relative; overflow: hidden; }
.step::after {
  counter-increment: steps; content: "0" counter(steps); position: absolute; right: 22px; bottom: -25px;
  color: rgba(255,255,255,.035); font: 800 8rem/1 "Manrope";
}
.step-num { display: grid; place-items: center; width: 48px; height: 48px; margin-bottom: 60px; border: 1px solid var(--line); border-radius: 15px; color: var(--cyan); background: rgba(87,230,255,.08); }
.step h3 { font-size: 1.45rem; margin: 0 0 10px; }
.step p { margin: 0; }

/* profile scrollytelling */
.profiles { background: linear-gradient(180deg, transparent, rgba(155,118,255,.055), transparent); }
.profile-stage { display: grid; grid-template-columns: .86fr 1.14fr; gap: clamp(42px, 8vw, 120px); align-items: start; }
.lens-sticky { position: sticky; top: 115px; height: min(70vh, 680px); display: grid; place-items: center; }
.lens {
  width: min(100%, 480px); aspect-ratio: .82; position: relative; overflow: hidden;
  border-radius: 44% 56% 51% 49% / 52% 41% 59% 48%;
  background-image: url("assets/animal-vision-hero.webp"); background-size: auto 130%; background-position: 64% center;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.2), 0 0 0 16px rgba(255,255,255,.025), 0 40px 120px rgba(0,0,0,.55);
  transition: filter .75s, border-radius .75s, background-position .75s;
}
.lens::after { content:""; position:absolute; inset:0; background: radial-gradient(circle at 35% 25%, transparent 15%, rgba(5,7,17,.35) 76%); }
.lens[data-profile="Köpek"] { filter: saturate(.6) sepia(.28) hue-rotate(158deg) contrast(1.1); }
.lens[data-profile="Kedi"] { filter: brightness(.72) contrast(1.36) saturate(.65) hue-rotate(145deg); }
.lens[data-profile="Ayı"] { filter: sepia(.14) saturate(.82) contrast(1.04); }
.lens[data-profile="Kartal"] { filter: contrast(1.35) saturate(1.2) brightness(1.07); }
.lens[data-profile="Yılan"] { filter: saturate(2.4) hue-rotate(255deg) contrast(1.3); }
.lens[data-profile="Arı"] { filter: saturate(1.8) hue-rotate(30deg) contrast(1.2); }
.lens[data-profile="Balık"] { filter: hue-rotate(145deg) saturate(1.4) brightness(.9); }
.lens[data-profile="Fare"] { filter: grayscale(.65) blur(1px) contrast(.88); }
.lens-label { position: absolute; z-index: 2; left: 22px; bottom: 22px; padding: 10px 14px; border-radius: 999px; background: rgba(5,7,17,.72); backdrop-filter: blur(10px); font-weight: 700; }
.profile-list { padding-top: 8vh; }
.profile-card { min-height: 43vh; padding: 34px 0; display: flex; flex-direction: column; justify-content: center; border-bottom: 1px solid var(--line); opacity: .38; transition: opacity .4s; }
.profile-card.is-active { opacity: 1; }
.profile-index { color: var(--cyan); font: 700 .75rem/1 "Manrope"; letter-spacing: .15em; }
.profile-card h3 { margin: 13px 0 12px; font-size: clamp(2rem, 4vw, 3.6rem); }
.profile-card p { max-width: 520px; margin: 0; font-size: 1.05rem; }
.simulation-tag { display: inline-flex; align-self: flex-start; margin-top: 17px; padding: 7px 11px; border: 1px solid var(--line); border-radius: 999px; color: #c8d0e4; font-size: .72rem; }

/* highlights */
.privacy-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 20px; }
.privacy-main { min-height: 530px; padding: clamp(32px, 5vw, 62px); position: relative; overflow: hidden; }
.privacy-main::after {
  content: ""; position: absolute; width: 330px; height: 330px; right: -90px; bottom: -90px; border: 1px solid rgba(87,230,255,.25); border-radius: 50%; box-shadow: 0 0 0 40px rgba(87,230,255,.025), 0 0 0 80px rgba(155,118,255,.02);
}
.privacy-main h2 { max-width: 680px; margin: 0 0 22px; font-size: clamp(2.6rem, 5vw, 5rem); }
.privacy-main p { max-width: 670px; font-size: 1.05rem; }
.privacy-list { display: grid; gap: 14px; }
.privacy-mini { padding: 25px; }
.privacy-mini b { display: block; color: white; margin-bottom: 4px; }
.privacy-mini span { color: var(--muted); font-size: .9rem; }
.safety-banner { display: grid; grid-template-columns: 1fr auto; gap: 28px; align-items: end; margin-top: 20px; padding: 38px; border: 1px solid rgba(184,255,157,.2); background: linear-gradient(120deg, rgba(184,255,157,.08), rgba(87,230,255,.04)); border-radius: var(--radius); }
.safety-banner h3 { margin: 0 0 10px; font-size: 1.7rem; }
.safety-banner p { max-width: 770px; margin: 0; }
.science-band { text-align: center; overflow: hidden; }
.science-orbit { width: min(72vw, 740px); aspect-ratio: 1; margin: -10vw auto -18vw; position: relative; border: 1px solid rgba(155,118,255,.2); border-radius: 50%; box-shadow: inset 0 0 100px rgba(155,118,255,.05); }
.science-orbit::before, .science-orbit::after { content:""; position:absolute; inset: 14%; border: 1px solid rgba(87,230,255,.18); border-radius: 50%; }
.science-orbit::after { inset: 31%; background: radial-gradient(circle, rgba(87,230,255,.18), transparent 67%); }
.science-copy { position: relative; z-index: 2; max-width: 870px; margin: 0 auto; }
.science-copy h2 { font-size: clamp(2.5rem, 6vw, 5.8rem); margin: 0 0 25px; }
.science-copy p { color: #c5cde0; font-size: 1.1rem; }

/* FAQ and footer */
.faq-list { max-width: 880px; }
.faq-item { border-top: 1px solid var(--line); }
.faq-item:last-child { border-bottom: 1px solid var(--line); }
.faq-question { width: 100%; display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center; padding: 25px 0; color: white; text-align: left; border: 0; background: transparent; cursor: pointer; }
.faq-question span:first-child { font: 700 1.08rem/1.4 "Manrope"; }
.faq-plus { width: 32px; height: 32px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; transition: transform .3s; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .45s ease; }
.faq-answer p { margin: 0; padding: 0 45px 25px 0; }
.faq-item.open .faq-plus { transform: rotate(45deg); }
.final-cta { padding: clamp(45px, 7vw, 88px); text-align: center; overflow: hidden; position: relative; }
.final-cta h2 { margin: 0 auto 18px; max-width: 850px; font-size: clamp(2.5rem, 6vw, 5rem); }
.final-cta p { max-width: 600px; margin: 0 auto 28px; }
.site-footer { padding: 72px 0 28px; border-top: 1px solid var(--line); background: #04060d; }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3,1fr); gap: 50px; }
.footer-copy { max-width: 330px; margin-top: 18px; font-size: .9rem; }
.footer-col h3 { margin: 0 0 17px; color: #dfe5f2; font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; }
.footer-col a { display: block; margin: 9px 0; color: var(--muted); text-decoration: none; font-size: .9rem; }
.footer-col a:hover { color: var(--cyan); }
.footer-bottom { display: flex; justify-content: space-between; gap: 25px; margin-top: 55px; padding-top: 24px; border-top: 1px solid var(--line); color: #78839b; font-size: .78rem; }

/* internal pages */
.page-hero { padding: 155px 0 70px; border-bottom: 1px solid var(--line); }
.page-hero .wrap { max-width: 960px; }
.page-hero h1 { margin: 0; font-size: clamp(3rem, 7vw, 6.5rem); }
.page-hero p { max-width: 720px; font-size: 1.15rem; }
.page-meta { display: flex; flex-wrap: wrap; gap: 8px 24px; margin-top: 26px; color: #8994aa; font-size: .82rem; }
.doc-layout { display: grid; grid-template-columns: 230px minmax(0, 760px); gap: 65px; justify-content: center; padding: 70px 0 120px; }
.doc-toc { position: sticky; top: 112px; align-self: start; }
.doc-toc b { display: block; margin-bottom: 14px; color: #dfe5f2; font-size: .75rem; letter-spacing: .12em; text-transform: uppercase; }
.doc-toc a { display: block; margin: 10px 0; color: #8994aa; font-size: .82rem; text-decoration: none; }
.doc-toc a:hover { color: var(--cyan); }
.doc h2 { scroll-margin-top: 115px; margin: 60px 0 15px; font-size: clamp(1.75rem, 3vw, 2.5rem); }
.doc h2:first-child { margin-top: 0; }
.doc h3 { margin: 30px 0 10px; font-size: 1.25rem; }
.doc p, .doc li { color: #b6bfd3; }
.doc a { color: var(--cyan); }
.doc li { margin: 8px 0; }
.notice { padding: 20px 22px; margin: 25px 0; border-left: 3px solid var(--cyan); border-radius: 0 15px 15px 0; background: rgba(87,230,255,.06); color: #cdd7e9; }
.notice.warning { border-color: var(--magenta); background: rgba(255,101,195,.06); }
.support-grid, .license-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; margin-top: 35px; }
.support-card, .license-card { padding: 28px; }
.support-card h3, .license-card h3 { margin-top: 0; }
.support-card p, .license-card p { margin-bottom: 0; }

/* motion */
[data-reveal] { opacity: 0; transform: translateY(42px); transition: opacity .75s ease, transform .75s cubic-bezier(.2,.8,.2,1); }
[data-reveal].is-visible { opacity: 1; transform: none; }
[data-reveal="left"] { transform: translateX(-45px); }
[data-reveal="right"] { transform: translateX(45px); }

@media (max-width: 900px) {
  .menu-toggle { display: grid; place-items: center; }
  .nav-links {
    position: absolute; top: 72px; left: 20px; right: 20px; display: none; align-items: stretch;
    padding: 18px; border: 1px solid var(--line); border-radius: 20px; background: rgba(5,7,17,.96); backdrop-filter: blur(20px);
  }
  .nav-links.open { display: grid; }
  .nav-links a { padding: 10px; }
  .nav-cta { text-align: center; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { background-position: 60% center; opacity: .65; }
  .trust-grid, .steps { grid-template-columns: 1fr; }
  .trust-item { border-right: 0; border-bottom: 1px solid var(--line); }
  .profile-stage { grid-template-columns: 1fr; }
  .lens-sticky { position: relative; top: auto; height: 55vh; }
  .profile-list { padding: 0; }
  .profile-card { min-height: 32vh; }
  .privacy-grid { grid-template-columns: 1fr; }
  .safety-banner { grid-template-columns: 1fr; align-items: start; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .doc-layout { grid-template-columns: 1fr; }
  .doc-toc { display: none; }
}
@media (max-width: 560px) {
  .wrap { width: min(calc(100% - 26px), var(--max)); }
  .hero { padding-top: 112px; }
  .hero h1 { font-size: clamp(3.15rem, 16vw, 5rem); }
  .hero-art { background-position: 66% center; }
  .hero-actions .btn { width: 100%; }
  .section { padding: 78px 0; }
  .trust-strip { margin-top: 0; }
  .step { min-height: auto; }
  .step-num { margin-bottom: 35px; }
  .privacy-main { min-height: 0; }
  .support-grid, .license-grid, .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
  .hero-art { transform: none !important; }
}