/* Opelli pro startupy — after the Opelli letterhead: warm sand panels,
   white cards, near-black ink, Lexend, letter-spaced eyebrows. */

@font-face {
  font-family: "Lexend";
  src: url("lexend.woff2") format("woff2-variations");
  font-weight: 100 900;
  font-display: swap;
  unicode-range:
    U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC,
    U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212,
    U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Lexend";
  src: url("lexend-ext.woff2") format("woff2-variations");
  font-weight: 100 900;
  font-display: swap;
  unicode-range:
    U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304,
    U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB,
    U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root {
  --sand: #e6e2da;
  --sand-soft: #eeece6;
  --sand-line: #cbc8c1;
  --paper: #ffffff;
  --ink: #141414;
  --ink-soft: #5d5b59;
  --muted: #9b9994;
  --danger: #b3261e;
  --radius: 28px;
  --radius-sm: 16px;
  --ease: cubic-bezier(.2, .7, .2, 1);
  --gutter: clamp(16px, 4vw, 40px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 16px/1.6 "Lexend", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  overflow-x: hidden;
}
h1, h2, h3 { font-weight: 600; letter-spacing: -.02em; line-height: 1.12; margin: 0; }
h1 { font-size: clamp(36px, 7vw, 72px); max-width: 14ch; }
h2 { font-size: clamp(28px, 4.4vw, 44px); max-width: 22ch; margin-bottom: 32px; }
h3 { font-size: 21px; margin-bottom: 4px; }
p { margin: 0 0 12px; }
a { color: inherit; }

.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: var(--paper); padding: 8px 14px; border-radius: 999px; z-index: 10; }
.skip:focus { left: 8px; }

.eyebrow, .label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 16px;
  display: block;
}
.label { margin-bottom: 6px; color: var(--muted); }

/* — the bar: the letterhead's header strip — */
.bar {
  position: sticky;
  top: 12px;
  z-index: 5;
  margin: 12px var(--gutter) 0;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 10px 10px 18px;
  background: color-mix(in srgb, var(--sand) 88%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 999px;
  transition: box-shadow .3s var(--ease);
}
.bar.scrolled { box-shadow: 0 8px 30px rgba(20, 20, 20, .08); }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 600; font-size: 18px; text-decoration: none; }
.mark { width: 26px; height: 26px; overflow: visible; }
.mark circle { fill: none; stroke: var(--ink); stroke-width: 12; transform-origin: 88px 88px; }
.brand:hover .mark circle:nth-child(1) { animation: wobble 1.2s var(--ease); }
.brand:hover .mark circle:nth-child(3) { animation: wobble 1.2s var(--ease) reverse; }
.bar-event { flex: 1; text-align: right; font-size: 13px; color: var(--ink-soft); }

/* — buttons — */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  border: 1.5px solid var(--ink);
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper);
  font: inherit;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: transform .25s var(--ease), background .25s var(--ease), color .25s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0) scale(.98); }
.btn:focus-visible, input:focus-visible, textarea:focus-visible { outline: 3px solid color-mix(in srgb, var(--ink) 35%, transparent); outline-offset: 3px; }
.btn .arrow { display: inline-block; transition: transform .25s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }
.btn-sm { padding: 9px 18px; font-size: 14px; }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--paper); }
.btn[disabled] { opacity: .55; cursor: progress; transform: none; }

/* — panels: the letterhead's rounded sand sheet — */
.panel {
  position: relative;
  margin: 16px var(--gutter);
  padding: clamp(40px, 8vw, 96px) clamp(24px, 6vw, 72px);
  background: var(--sand);
  border-radius: var(--radius);
  overflow: hidden;
}
.hero { padding-top: clamp(56px, 11vw, 140px); }
.lede { font-size: clamp(17px, 2vw, 20px); color: var(--ink-soft); max-width: 46ch; margin: 24px 0 32px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: clamp(48px, 9vw, 112px); position: relative; z-index: 1; }
.card { background: var(--paper); border-radius: var(--radius-sm); padding: 18px 20px; transition: transform .3s var(--ease), box-shadow .3s var(--ease); }
.card:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(20, 20, 20, .07); }
.card strong { font-weight: 500; font-size: 15px; }

/* hero benefits: what a founder actually gets */
.benefits { list-style: none; padding: 0; margin: clamp(48px, 9vw, 112px) 0 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; position: relative; z-index: 1; }
.benefits li { position: relative; background: var(--paper); border-radius: var(--radius-sm); padding: 18px 20px 18px 50px; font-size: 15px; font-weight: 500; line-height: 1.45; transition: transform .3s var(--ease), box-shadow .3s var(--ease); }
.benefits li::before { content: ""; position: absolute; left: 20px; top: 21px; width: 14px; height: 8px; border-left: 2px solid var(--ink); border-bottom: 2px solid var(--ink); transform: rotate(-45deg); }
.benefits li:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(20, 20, 20, .07); }

/* the mark, large and slowly turning, behind the hero */
.orbits { position: absolute; right: -120px; top: 40px; width: 520px; height: 520px; pointer-events: none; opacity: .5; }
.orbits span { position: absolute; inset: 0; border: 2px solid var(--sand-line); border-radius: 50%; animation: orbit 28s linear infinite; }
.orbits span:nth-child(1) { transform-origin: 46% 54%; }
.orbits span:nth-child(2) { transform-origin: 54% 46%; animation-duration: 36s; animation-direction: reverse; translate: 18px 22px; }
.orbits span:nth-child(3) { transform-origin: 50% 50%; animation-duration: 44s; translate: 28px -10px; }

/* — modules — */
.modules { max-width: 1200px; margin: 0 auto; padding: clamp(64px, 10vw, 120px) var(--gutter); }
.shots-note { font-size: 14px; color: var(--muted); max-width: 62ch; margin: -16px 0 32px; }
.module {
  display: grid;
  grid-template-columns: 56px minmax(0, 5fr) minmax(0, 7fr);
  gap: 20px 32px;
  align-items: start;
  padding: 40px 0;
  border-top: 1px solid var(--sand);
}
/* the screenshot: a white sheet on the sand, like the letterhead's cards */
.shot {
  display: block;
  background: var(--sand);
  border-radius: var(--radius-sm);
  padding: 8px;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.shot img { display: block; width: 100%; height: auto; border-radius: 10px; background: var(--paper); }
.shot:hover { transform: translateY(-3px); box-shadow: 0 14px 32px rgba(20, 20, 20, .09); }
.shot:focus-visible { outline: 3px solid color-mix(in srgb, var(--ink) 35%, transparent); outline-offset: 3px; }
.module:last-child { border-bottom: 1px solid var(--sand); }
.module .num { font-size: 13px; letter-spacing: .2em; color: var(--muted); padding-top: 6px; transition: color .3s var(--ease); }
.module:hover .num { color: var(--ink); }
.module h3 { transition: transform .35s var(--ease); }
.module:hover h3 { transform: translateX(6px); }
.module div p:last-child { color: var(--ink-soft); max-width: 62ch; margin: 0; }
.tag { font-size: 13px; color: var(--muted); margin-bottom: 10px; }

/* — programme — */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.step { background: var(--paper); border-radius: var(--radius-sm); padding: 24px 20px; display: flex; flex-direction: column; gap: 6px; color: var(--ink-soft); font-size: 14px; }
.step .big { font-size: clamp(26px, 3.4vw, 36px); font-weight: 600; color: var(--ink); letter-spacing: -.02em; }
.note { margin-top: 12px; background: var(--sand-soft); border-radius: var(--radius-sm); padding: 18px 20px; }
.note p { margin: 0; }

/* — pilot + form — */
.pilot {
  max-width: 1080px;
  margin: 0 auto;
  padding: clamp(64px, 10vw, 120px) var(--gutter);
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(32px, 6vw, 72px);
  align-items: start;
}
.pilot-copy p:last-child { color: var(--ink-soft); }
.signup { background: var(--sand); border-radius: var(--radius); padding: clamp(24px, 4vw, 40px); display: grid; gap: 16px; }
.signup label { display: grid; gap: 6px; font-size: 14px; font-weight: 500; }
.signup .opt { color: var(--muted); font-weight: 400; }
.signup input, .signup textarea {
  font: inherit;
  font-weight: 400;
  color: var(--ink);
  background: var(--paper);
  border: 1.5px solid transparent;
  border-radius: 12px;
  padding: 12px 14px;
  width: 100%;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.signup textarea { resize: vertical; min-height: 88px; }
.signup input:hover, .signup textarea:hover { border-color: var(--sand-line); }
.signup .invalid { border-color: var(--danger); animation: shake .35s var(--ease); }
.signup .btn { justify-self: start; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.status { min-height: 1.6em; margin: 0; font-size: 14px; color: var(--ink-soft); }
.status.error { color: var(--danger); }
.signup.done > :not(.status) { display: none; }
.signup.done .status { font-size: 18px; color: var(--ink); animation: rise .5s var(--ease); }

/* — QR at the very end: opelli.ai through an Opelli short link — */
.qr-end {
  max-width: 1080px;
  margin: 0 auto clamp(24px, 4vw, 40px);
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  gap: clamp(20px, 4vw, 36px);
}
.qr { flex: none; display: block; background: var(--sand); border-radius: var(--radius-sm); padding: 10px; transition: transform .3s var(--ease); }
.qr:hover { transform: translateY(-3px); }
.qr img { display: block; width: 148px; height: 148px; border-radius: 8px; background: var(--paper); }
.qr-end .eyebrow { margin-bottom: 8px; }
.qr-text { font-size: clamp(17px, 2vw, 20px); color: var(--ink-soft); max-width: 34ch; margin: 0; }

/* — footer: the letterhead's foot line — */
.foot { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 24px var(--gutter) 32px; font-size: 12px; color: var(--ink-soft); }
.foot a { font-weight: 600; text-decoration: none; }

/* — motion — */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.steps .step:nth-child(2) { transition-delay: .08s; }
.steps .step:nth-child(3) { transition-delay: .16s; }
.steps .step:nth-child(4) { transition-delay: .24s; }
@keyframes orbit { to { rotate: 360deg; } }
@keyframes wobble { 50% { transform: rotate(14deg) scale(1.04); } }
@keyframes shake { 25% { translate: -4px 0; } 75% { translate: 4px 0; } }
@keyframes rise { from { opacity: 0; transform: translateY(8px); } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* — phone — */
@media (max-width: 860px) {
  .steps { grid-template-columns: 1fr 1fr; }
  .pilot { grid-template-columns: 1fr; }
  .module { grid-template-columns: 56px minmax(0, 1fr); }
  .shot { grid-column: 2; }
}
@media (max-width: 640px) {
  .bar-event { display: none; }
  .bar { justify-content: space-between; }
  .panel { margin: 12px 16px; padding-left: 22px; padding-right: 22px; border-radius: 22px; }
  .cards { grid-template-columns: 1fr; }
  .benefits { grid-template-columns: 1fr; }
  .orbits { width: 340px; height: 340px; right: -170px; top: 10px; }
  .module { grid-template-columns: 1fr; gap: 6px; }
  .shot { grid-column: auto; margin-top: 14px; padding: 6px; border-radius: 14px; }
  .shot img { border-radius: 9px; }
  .hero-cta .btn { width: 100%; justify-content: center; }
  .signup .btn { width: 100%; justify-content: center; }
  .foot { flex-direction: column; }
  .qr-end { flex-direction: column; text-align: center; }
  .qr-text { margin: 0 auto; }
}