:root {
  --ink: #101110;
  --ink-soft: #191b19;
  --paper: #f5f1e8;
  --paper-dim: #c7c3b9;
  --lime: #c8ff31;
  --line: rgba(245, 241, 232, 0.2);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--ink); color: var(--paper); font-family: "DM Sans", Arial, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }

.nav { align-items: center; display: flex; height: 78px; justify-content: space-between; left: 0; padding: 0 clamp(20px, 4vw, 64px); position: absolute; right: 0; top: 0; z-index: 2; }
.brand { display: inline-flex; width: 138px; }
.brand img { display: block; filter: invert(1); height: auto; width: 100%; }
.nav-links { align-items: center; display: flex; font-size: 0.78rem; font-weight: 600; gap: 28px; letter-spacing: 0.04em; text-transform: uppercase; }
.nav-links > a:first-child { color: var(--paper-dim); }
.nav-cta { border: 1px solid var(--line); border-radius: 999px; padding: 11px 16px; }
.nav-cta span { color: var(--lime); margin-left: 4px; }

.hero { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr); min-height: min(880px, 100vh); overflow: hidden; position: relative; }
.hero-copy { align-self: center; padding: 150px 5vw 110px max(5vw, calc((100vw - 1280px) / 2)); position: relative; z-index: 1; }
.eyebrow, .section-kicker { color: var(--paper-dim); font-size: 0.7rem; font-weight: 700; letter-spacing: 0.12em; margin: 0 0 26px; text-transform: uppercase; }
.eyebrow { align-items: center; display: flex; gap: 9px; }
.eyebrow span { background: var(--lime); border-radius: 50%; box-shadow: 0 0 0 5px rgba(200, 255, 49, 0.1); height: 7px; width: 7px; }
h1, h2 { letter-spacing: -0.055em; margin: 0; }
h1 { font-size: clamp(4.2rem, 8.6vw, 8.8rem); font-weight: 600; line-height: 0.84; max-width: 780px; }
h1 em, h2 em { font-family: "Instrument Serif", Georgia, serif; font-weight: 400; }
.hero-intro { color: var(--paper-dim); font-size: clamp(1rem, 1.4vw, 1.2rem); line-height: 1.55; margin: 35px 0 32px; max-width: 420px; }
.button { align-items: center; border-radius: 999px; display: inline-flex; font-size: 0.84rem; font-weight: 700; gap: 16px; letter-spacing: 0.02em; padding: 16px 21px; transition: transform 180ms ease, background 180ms ease; }
.button-light { background: var(--paper); color: var(--ink); }
.button:hover { background: var(--lime); transform: translateY(-2px); }
.hero-visual { background: #0b0c0b; display: flex; justify-content: center; min-height: 600px; overflow: hidden; position: relative; }
.hero-visual img { height: calc(100% - 80px); margin-top: 80px; max-width: min(440px, 82%); object-fit: cover; object-position: top center; width: 100%; }
.vertical-note { bottom: 28px; color: var(--paper-dim); font-size: 0.64rem; font-weight: 700; letter-spacing: 0.15em; margin: 0; position: absolute; right: 20px; text-transform: uppercase; transform: rotate(-90deg) translateX(100%); transform-origin: right bottom; }
.scroll-cue { align-items: center; bottom: 31px; display: flex; font-size: 0.65rem; font-weight: 700; gap: 10px; left: max(5vw, calc((100vw - 1280px) / 2)); letter-spacing: 0.1em; position: absolute; text-transform: uppercase; }
.scroll-cue i { background: var(--lime); border-radius: 50%; display: block; height: 7px; width: 7px; }

.statement { border-top: 1px solid var(--line); display: grid; grid-template-columns: 0.72fr 1.4fr 0.72fr; padding: clamp(96px, 12vw, 180px) max(5vw, calc((100vw - 1280px) / 2)); }
.statement .section-kicker { margin-top: 11px; }
.statement h2, .feature h2, .closing h2 { font-size: clamp(3.2rem, 6.3vw, 7rem); line-height: 0.86; }
.statement > p:last-child { align-self: end; color: var(--paper-dim); font-size: 1rem; line-height: 1.6; margin: 0 0 8px; max-width: 280px; }

.feature { display: grid; grid-template-columns: 1fr 1fr; min-height: 870px; }
.feature-copy { align-self: center; margin: 0 auto; max-width: 440px; padding: 90px 42px; }
.feature-copy > p:not(.section-kicker) { color: var(--paper-dim); font-size: 1.02rem; line-height: 1.65; margin: 30px 0; }
.device-image { align-items: end; background: #181917; display: flex; justify-content: center; min-height: 700px; overflow: hidden; }
.device-image img { display: block; height: auto; max-height: 790px; max-width: min(520px, 77%); object-fit: contain; }
.feature-watch .device-image { background: #0d0e0d; }
.feature-create { background: var(--paper); color: var(--ink); }
.feature-create .section-kicker, .feature-create .feature-copy > p:not(.section-kicker) { color: #77766f; }
.feature-create .device-image { background: #dbd9d0; }
.feature-share .device-image { background: #121313; }
.feature-list { border-top: 1px solid var(--line); list-style: none; margin: 38px 0 0; padding: 0; }
.feature-list li { border-bottom: 1px solid var(--line); font-size: 0.84rem; font-weight: 600; padding: 13px 0; }
.feature-list span { color: var(--lime); display: inline-block; font-size: 0.68rem; margin-right: 12px; width: 20px; }
.text-link { border-bottom: 1px solid currentColor; display: inline-flex; font-size: 0.82rem; font-weight: 700; gap: 24px; padding-bottom: 8px; }
.share-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.share-tags span { border: 1px solid var(--line); border-radius: 999px; color: var(--paper-dim); font-size: 0.72rem; font-weight: 600; padding: 9px 12px; }

.closing { background: var(--lime); color: var(--ink); padding: clamp(100px, 12vw, 165px) 24px; text-align: center; }
.closing-icon { height: 58px; margin-bottom: 28px; mix-blend-mode: multiply; width: 58px; }
.closing .section-kicker { color: rgba(16, 17, 16, 0.6); }
.closing-copy { font-size: 1rem; line-height: 1.6; margin: 32px auto; max-width: 420px; }
.waitlist { margin: 0 auto; max-width: 490px; text-align: left; }
.waitlist label { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.waitlist-row { border-bottom: 1px solid rgba(16, 17, 16, 0.6); display: flex; margin-top: 7px; }
.waitlist input { background: transparent; border: 0; color: var(--ink); min-width: 0; outline-offset: 4px; padding: 14px 0; width: 100%; }
.waitlist input::placeholder { color: rgba(16, 17, 16, 0.55); }
.waitlist button { background: var(--ink); border: 0; border-radius: 999px; color: var(--paper); cursor: pointer; flex: 0 0 auto; font-size: 0.72rem; font-weight: 700; margin: 6px 0 6px 12px; padding: 0 15px; }
.waitlist button span { color: var(--lime); margin-left: 8px; }
.form-note { color: rgba(16, 17, 16, 0.6); font-size: 0.73rem; margin: 12px 0 0; }

.footer { align-items: center; background: #0a0b0a; color: var(--paper-dim); display: flex; font-size: 0.72rem; font-weight: 600; justify-content: space-between; letter-spacing: 0.04em; padding: 30px clamp(20px, 4vw, 64px); text-transform: uppercase; }
.footer-brand { width: 108px; }
.footer p { margin: 0; }
.footer > a:last-child:hover { color: var(--paper); }

@media (max-width: 760px) {
  .nav { height: 70px; }
  .brand { width: 112px; }
  .nav-links > a:first-child { display: none; }
  .nav-links { font-size: 0.64rem; }
  .hero { display: block; min-height: 0; }
  .hero-copy { padding: 135px 24px 75px; }
  h1 { font-size: clamp(4rem, 17vw, 5.8rem); }
  .hero-intro { margin-top: 28px; }
  .hero-visual { height: 610px; min-height: 0; }
  .hero-visual img { height: auto; margin-top: 42px; max-width: 390px; object-fit: contain; }
  .scroll-cue { display: none; }
  .statement { display: block; padding: 100px 24px; }
  .statement > p:last-child { margin-top: 42px; }
  .feature { display: flex; flex-direction: column; min-height: 0; }
  .feature-copy { max-width: 100%; padding: 92px 24px; width: 100%; }
  .feature-create .feature-image { order: 2; }
  .feature-create .feature-copy { order: 1; }
  .device-image { min-height: 600px; }
  .device-image img { max-height: 650px; max-width: 82%; }
  .footer { align-items: flex-start; flex-direction: column; gap: 16px; }
}

@media (prefers-reduced-motion: no-preference) {
  .hero-copy { animation: appear 800ms 100ms both; }
  .hero-visual { animation: appear 900ms 220ms both; }
  @keyframes appear { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }
}
