:root {
    --ink: #17111f;
    --ink-2: #241a2d;
    --paper: #f3efe6;
    --white: #fffaf2;
    --muted: #716775;
    --line: rgba(23, 17, 31, .15);
    --line-dark: rgba(255, 255, 255, .14);
    --signal: #ff6b4a;
    --mineral: #b8d943;
    --iris: #9b8cff;
    --orchid: #ff9dbc;
    --saffron: #ffc15a;
    --accent-deep: #9f3928;
    --cyan: var(--signal);
    --mint: var(--mineral);
    --acid: var(--iris);
    --violet: var(--orchid);
    --orange: var(--saffron);
    --display: "Manrope", "Segoe UI", sans-serif;
    --body: "DM Sans", "Segoe UI", sans-serif;
    --container: 1240px;
    --radius: 22px;
    --shadow: 0 24px 80px rgba(23, 17, 31, .14);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body {
    margin: 0;
    color: var(--ink);
    background: var(--paper);
    font-family: var(--body);
    font-size: 16px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}
body.nav-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { color: inherit; }
h1, h2, h3, h4, p { margin-top: 0; }
h1, h2, h3, h4 {
    font-family: var(--display);
    line-height: 1.08;
    letter-spacing: -.045em;
}
h1 em, h2 em { color: var(--mint); font-style: normal; }
.container { width: min(calc(100% - 48px), var(--container)); margin-inline: auto; }
.site-shell { overflow: clip; }
.skip-link {
    position: fixed;
    z-index: 200;
    top: 12px;
    left: 12px;
    padding: 10px 16px;
    color: var(--ink);
    background: var(--acid);
    transform: translateY(-160%);
}
.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: fixed;
    z-index: 100;
    top: 0;
    left: 0;
    width: 100%;
    padding: 18px 0;
    color: var(--white);
    background: rgba(23, 17, 31, .8);
    border-bottom: 1px solid rgba(255, 255, 255, .1);
    backdrop-filter: blur(18px);
    transition: padding 180ms ease, background 180ms ease;
}
.site-header.is-scrolled { padding: 11px 0; background: rgba(23, 17, 31, .96); }
.nav-wrap { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand img { width: 48px; height: 48px; object-fit: contain; }
.brand-mark {
    position: relative;
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border: 1px solid rgba(255, 107, 74, .56);
    border-radius: 50%;
}
.brand-mark::before, .brand-mark::after {
    position: absolute;
    content: "";
    border: 1px solid var(--mint);
    border-radius: 50%;
}
.brand-mark::before { width: 17px; height: 17px; }
.brand-mark::after { width: 4px; height: 4px; background: var(--acid); }
.brand-mark i { position: absolute; width: 4px; height: 4px; background: var(--cyan); border-radius: 50%; }
.brand-mark i:nth-child(1) { top: 5px; }
.brand-mark i:nth-child(2) { right: 4px; bottom: 9px; }
.brand-mark i:nth-child(3) { left: 5px; bottom: 8px; }
.brand-copy { display: grid; gap: 2px; }
.brand-copy strong { font-family: var(--display); font-size: 17px; letter-spacing: -.03em; }
.brand-copy small { color: rgba(255, 255, 255, .56); font-size: 9px; font-weight: 600; letter-spacing: .11em; text-transform: uppercase; }
.primary-nav { display: flex; align-items: center; justify-content: flex-end; gap: clamp(16px, 2.1vw, 32px); }
.primary-nav > a:not(.button) { position: relative; color: rgba(255, 255, 255, .78); font-size: 13px; font-weight: 600; }
.primary-nav > a:not(.button)::after {
    position: absolute;
    right: 0;
    bottom: -7px;
    left: 0;
    height: 1px;
    content: "";
    background: var(--mint);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 180ms ease;
}
.primary-nav > a:hover { color: var(--white); }
.primary-nav > a:hover::after { transform: scaleX(1); transform-origin: left; }
.nav-toggle { display: none; width: 44px; height: 44px; padding: 10px; background: transparent; border: 0; }
.nav-toggle > span:not(.sr-only) { display: block; width: 22px; height: 1px; margin: 5px auto; background: var(--white); transition: transform 180ms ease, opacity 180ms ease; }

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    min-height: 54px;
    padding: 13px 24px;
    font-weight: 700;
    line-height: 1;
    border: 1px solid transparent;
    border-radius: 999px;
    cursor: pointer;
    transition: transform 180ms ease, box-shadow 180ms ease, color 180ms ease, background 180ms ease;
}
.button:hover { transform: translateY(-2px); }
.button-sm { min-height: 42px; padding: 10px 18px; font-size: 13px; }
.button-nav { color: var(--ink); background: var(--acid); }
.button-primary { color: var(--ink); background: var(--mint); box-shadow: 0 16px 36px rgba(184, 217, 67, .2); }
.button-primary:hover { background: var(--acid); box-shadow: 0 18px 46px rgba(155, 140, 255, .24); }
.button-ghost { color: var(--white); border-color: rgba(255, 255, 255, .26); }
.button-ghost:hover { background: rgba(255, 255, 255, .08); }
.button-light { color: var(--ink); background: var(--white); }
.message-stack { position: fixed; z-index: 120; top: 88px; left: 50%; transform: translateX(-50%); }
.message { padding: 14px 20px; color: var(--ink); background: var(--acid); border-radius: 12px; box-shadow: var(--shadow); }

.hero {
    position: relative;
    min-height: 840px;
    padding: 190px 0 52px;
    color: var(--white);
    background:
        radial-gradient(circle at 74% 42%, rgba(255, 107, 74, .15), transparent 31%),
        radial-gradient(circle at 8% 75%, rgba(255, 157, 188, .1), transparent 27%),
        var(--ink);
}
.hero-grid, .cta-grid {
    position: absolute;
    inset: 0;
    opacity: .16;
    background-image:
        linear-gradient(rgba(255, 255, 255, .08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .08) 1px, transparent 1px);
    background-size: 72px 72px;
    mask-image: linear-gradient(to bottom, black, transparent 90%);
}
.hero-orb { position: absolute; border: 1px solid rgba(255, 107, 74, .24); border-radius: 50%; }
.hero-orb-one { top: 15%; right: -10%; width: 570px; height: 570px; }
.hero-orb-two { bottom: -20%; left: -9%; width: 400px; height: 400px; }
.hero-layout { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(380px, .92fr); align-items: center; gap: 72px; }
.eyebrow { display: flex; align-items: center; gap: 10px; margin-bottom: 28px; color: rgba(255, 255, 255, .62); font-size: 11px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; }
.eyebrow > span { width: 30px; height: 1px; background: var(--mint); }
.eyebrow-dark { color: #655b6a; }
.hero h1 { max-width: 800px; margin-bottom: 28px; font-size: clamp(58px, 7vw, 96px); }
.hero-lede { max-width: 680px; margin-bottom: 38px; color: rgba(255, 255, 255, .64); font-size: 19px; line-height: 1.75; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; }
.hero-proof { display: flex; align-items: center; gap: 12px; margin-top: 64px; color: rgba(255, 255, 255, .4); font-size: 10px; font-weight: 700; letter-spacing: .15em; }
.hero-proof i { width: 3px; height: 3px; background: var(--mint); border-radius: 50%; }
.hero-visual { position: relative; min-height: 520px; }
.hero-photo { width: 100%; height: 540px; object-fit: cover; border-radius: 240px 240px 28px 28px; filter: saturate(.85) contrast(1.05); }
.research-core { position: absolute; top: 50%; left: 50%; width: min(38vw, 470px); aspect-ratio: 1; transform: translate(-50%, -50%); }
.core-rings, .core-rings i { position: absolute; inset: 0; border: 1px solid rgba(255, 107, 74, .28); border-radius: 50%; }
.core-rings::before, .core-rings::after { position: absolute; top: 50%; left: 50%; content: ""; background: rgba(255, 107, 74, .22); transform: translate(-50%, -50%); }
.core-rings::before { width: 140%; height: 1px; }
.core-rings::after { width: 1px; height: 140%; }
.core-rings i:nth-child(1) { inset: 12%; border-color: rgba(155, 140, 255, .38); animation: core-pulse 5s ease-in-out infinite; }
.core-rings i:nth-child(2) { inset: 27%; background: rgba(184, 217, 67, .04); border-color: rgba(184, 217, 67, .46); }
.core-rings i:nth-child(3) { inset: 39%; background: var(--mint); border: 0; box-shadow: 0 0 80px rgba(184, 217, 67, .4); }
.core-label { position: absolute; z-index: 2; top: 50%; left: 50%; display: grid; place-items: center; color: var(--ink); transform: translate(-50%, -50%); }
.core-label small { font-size: 10px; font-weight: 700; }
.core-label strong { font-family: var(--display); font-size: 30px; line-height: 1; }
.core-label span { margin-top: 3px; font-size: 6px; font-weight: 800; letter-spacing: .12em; }
.signal { position: absolute; width: 9px; height: 9px; background: var(--acid); border: 2px solid var(--ink); border-radius: 50%; box-shadow: 0 0 0 1px var(--acid); }
.signal-one { top: 8%; left: 38%; }
.signal-two { right: 4%; bottom: 30%; }
.signal-three { bottom: 5%; left: 23%; }
.data-chip { position: absolute; display: grid; min-width: 130px; padding: 12px 15px; background: rgba(23, 17, 31, .9); border: 1px solid rgba(255, 255, 255, .14); border-radius: 10px; backdrop-filter: blur(10px); }
.data-chip small { color: var(--mint); font-size: 9px; }
.data-chip strong { font-size: 12px; }
.chip-one { top: 12%; right: -13%; }
.chip-two { bottom: 9%; left: -10%; }
.chip-three { right: -1%; bottom: 25%; }
.hero-index { position: absolute; z-index: 2; right: 0; bottom: 28px; left: 0; display: flex; justify-content: space-between; color: rgba(255, 255, 255, .35); font-size: 9px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
@keyframes core-pulse { 0%, 100% { transform: scale(1); opacity: .85; } 50% { transform: scale(1.055); opacity: .4; } }

.section { padding: 120px 0; }
.soft-section { background: #eae4da; }
.section-heading { margin-bottom: 58px; }
.split-heading { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(300px, .75fr); align-items: end; gap: 80px; }
.section-heading h2 { margin: 0; font-size: clamp(43px, 5vw, 70px); }
.heading-aside { color: var(--muted); font-size: 17px; }
.heading-aside > p { margin-bottom: 25px; }
.text-link { display: inline-flex; align-items: center; gap: 14px; padding-bottom: 5px; color: var(--ink); font-size: 14px; font-weight: 700; border-bottom: 1px solid currentColor; }
.text-link span { color: var(--accent-deep); }
.text-link-light { color: var(--white); }
.text-link-light span { color: var(--mineral); }
.empty-panel { grid-column: 1 / -1; padding: 42px; color: var(--muted); background: var(--white); border: 1px dashed var(--line); border-radius: 16px; }
.empty-panel h3 { color: var(--ink); }
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 650ms ease, transform 650ms ease; }
.reveal-delay { transition-delay: 140ms; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
