/* siiswell.com — calm, light-first, with a dark theme that follows the device */
/* Fresh, light, energetic: mint as the main colour, sky and sunrise as accents. Light only, on every device. */
:root {
  color-scheme: light;
  --bg: #fbfefc;
  --bg-alt: #f0f9f5;
  --surface: #ffffff;
  --text: #12352d;
  --text-2: #3d5a52;
  --muted: #557068;
  --line: #d9ebe3;
  --accent: #057a5a;
  --mint: #34d399;
  --aqua: #22c1c3;
  --btn-ink: #08372b;
  --teal: #057a5a;
  --blue: #0b6fa8;
  --orange: #c4502a;
  --purple: #6d4bd8;
  --green: #15803d;
  --slate: #4b6660;
  --no: #c4502a;
  --shadow: 0 1px 2px rgba(18, 53, 45, .05), 0 14px 36px rgba(18, 53, 45, .09);
  --radius: 20px;
  --grad: radial-gradient(900px 520px at 88% -8%, rgba(56, 189, 248, .22), transparent 62%),
          radial-gradient(800px 480px at -8% 6%, rgba(52, 211, 153, .26), transparent 60%),
          radial-gradient(700px 420px at 60% 110%, rgba(255, 176, 120, .22), transparent 60%);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: .88em; background: var(--bg-alt); padding: .1em .35em; border-radius: 6px; }
.wrap { width: min(1160px, 100% - 32px); margin-inline: auto; }
.narrow { width: min(820px, 100% - 32px); }
.center { text-align: center; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 12px; z-index: 10; background: var(--surface); padding: 8px 12px; border-radius: 8px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

/* nav */
.nav { position: sticky; top: 0; z-index: 5; backdrop-filter: saturate(1.4) blur(12px); background: color-mix(in srgb, var(--bg) 82%, transparent); border-bottom: 1px solid color-mix(in srgb, var(--line) 70%, transparent); }
.nav-row { display: flex; align-items: center; gap: 24px; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; color: var(--text); letter-spacing: -.01em; }
.brand:hover { text-decoration: none; }
.brand img { border-radius: 7px; }
.brand.small { font-size: 15px; gap: 8px; }
.nav-links { display: flex; gap: 22px; list-style: none; margin: 0 0 0 auto; padding: 0; }
.nav-links a { color: var(--text-2); font-size: 15px; font-weight: 500; }

/* buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 13px 22px; border-radius: 999px; background: linear-gradient(135deg, var(--mint), var(--aqua)); color: var(--btn-ink); font-weight: 600; font-size: 16px; border: 1px solid transparent; transition: transform .15s ease, box-shadow .15s ease; box-shadow: 0 8px 22px rgba(34, 193, 195, .28); }
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--line); box-shadow: none; }
.btn-small { padding: 8px 16px; font-size: 14px; box-shadow: none; }
.btn-light { background: linear-gradient(135deg, var(--mint), var(--aqua)); color: var(--btn-ink); }

/* hero */
.hero { background: var(--grad); padding: 72px 0 56px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.eyebrow, .kicker { font-size: 13px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--teal); margin: 0 0 14px; }
h1 { font-size: clamp(44px, 6.4vw, 76px); line-height: 1.02; letter-spacing: -.035em; margin: 0 0 22px; font-weight: 800; }
h1 .all { display: block; color: var(--muted); font-weight: 700; font-size: .55em; letter-spacing: -.02em; margin-top: 10px; }
.lead { font-size: clamp(18px, 2vw, 21px); color: var(--text-2); margin: 0 0 30px; max-width: 34em; }
.lead em { font-style: normal; color: var(--teal); font-weight: 600; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 22px; }
.fine { font-size: 14px; color: var(--muted); margin: 0; }
.hero-shot { position: relative; padding: 0 0 40px; }
.frame { margin: 0; border-radius: var(--radius); overflow: hidden; background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); }
.frame-desk { transform: perspective(1600px) rotateY(-6deg) rotateX(2deg); transform-origin: left center; }
.frame-phone { position: absolute; width: 30%; right: -10px; bottom: 0; border-radius: 26px; border: 6px solid #ffffff; box-shadow: 0 18px 40px rgba(18, 53, 45, .18); }
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .frame-desk { transform: none; }
  .frame-phone { width: 34%; right: 6px; }
}

/* works-with strip */
.strip { padding: 26px 0 8px; }
.strip-label { text-align: center; color: var(--muted); font-size: 14px; margin: 0 0 14px; }
.chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; list-style: none; margin: 0; padding: 0; }
.chips li { padding: 7px 14px; border-radius: 999px; background: var(--surface); border: 1px solid var(--line); font-size: 14px; font-weight: 500; color: var(--text-2); }

/* sections */
.section { padding: 96px 0; }
.section.alt { background: var(--bg-alt); }
h2 { font-size: clamp(32px, 4.2vw, 50px); line-height: 1.08; letter-spacing: -.03em; margin: 0 0 18px; font-weight: 800; }
h3 { font-size: 19px; margin: 0 0 8px; letter-spacing: -.01em; }
.section-lead { font-size: 19px; color: var(--text-2); max-width: 40em; margin: 0 0 40px; }
.section-lead em { font-style: normal; font-weight: 600; color: var(--text); }

.pains { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.pain { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.pain .q { font-weight: 700; font-size: 18px; margin: 0 0 10px; letter-spacing: -.01em; }
.pain .a { margin: 0; color: var(--text-2); font-size: 16px; }
@media (max-width: 900px) { .pains { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .pains { grid-template-columns: 1fr; } }

.how-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: 56px; align-items: center; }
.steps { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 18px; }
.steps li { display: grid; grid-template-columns: 36px 1fr; gap: 14px; color: var(--text-2); font-size: 16px; }
.steps strong { color: var(--text); }
.steps .n { width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; background: linear-gradient(135deg, var(--mint), var(--aqua)); font-weight: 700; color: var(--btn-ink); }
.diagram { margin: 0; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
@media (max-width: 900px) { .how-grid { grid-template-columns: 1fr; } }

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 36px; }
.feature { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.feature p { margin: 0; color: var(--text-2); font-size: 16px; }
.ico { display: inline-grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; margin-bottom: 16px; }
.ico svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.ico-blue { color: var(--blue); background: color-mix(in srgb, var(--blue) 14%, transparent); }
.ico-orange { color: var(--orange); background: color-mix(in srgb, var(--orange) 14%, transparent); }
.ico-teal { color: var(--teal); background: color-mix(in srgb, var(--teal) 14%, transparent); }
.ico-purple { color: var(--purple); background: color-mix(in srgb, var(--purple) 14%, transparent); }
.ico-green { color: var(--green); background: color-mix(in srgb, var(--green) 14%, transparent); }
.ico-slate { color: var(--slate); background: color-mix(in srgb, var(--slate) 14%, transparent); }
@media (max-width: 900px) { .features { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .features { grid-template-columns: 1fr; } }

/* spotlights */
.spot { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: center; }
.spot + .spot { margin-top: 96px; }
.spot-rev { grid-template-columns: 1.1fr .9fr; }
.spot-rev .spot-copy { order: 2; }
.spot-copy p { color: var(--text-2); font-size: 18px; margin: 0; }
.ticks { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.ticks li { position: relative; padding-left: 30px; color: var(--text-2); }
.ticks li::before { content: ""; position: absolute; left: 2px; top: .5em; width: 14px; height: 8px; border-left: 2.5px solid var(--teal); border-bottom: 2.5px solid var(--teal); transform: rotate(-45deg); }
.frame img.tall { max-height: 640px; width: 100%; object-fit: cover; object-position: top; }
@media (max-width: 900px) { .spot, .spot-rev { grid-template-columns: 1fr; gap: 28px; } .spot-rev .spot-copy { order: 0; } }

/* privacy */
.ledger { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: var(--surface); }
.ledger .col { padding: 28px 30px; }
.ledger .yes { border-right: 1px dashed var(--line); }
.ledger h3 { display: flex; align-items: center; gap: 10px; }
.ledger .yes h3::before, .ledger .no h3::before { content: ""; width: 10px; height: 10px; border-radius: 50%; }
.ledger .yes h3::before { background: var(--mint); }
.ledger .no h3::before { background: var(--no); }
.ledger ul { margin: 12px 0 0; padding-left: 20px; color: var(--text-2); display: grid; gap: 6px; }
.badges { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 22px; }
.badge { display: grid; gap: 6px; padding: 22px; border-radius: var(--radius); background: linear-gradient(160deg, #ecfbf4, #f2f9ff); border: 1px solid var(--line); }
.badge span { color: var(--text-2); font-size: 15px; }
@media (max-width: 760px) { .ledger, .badges { grid-template-columns: 1fr; } .ledger .yes { border-right: 0; border-bottom: 1px dashed var(--line); } }

/* get started */
.paths { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 36px 0 22px; }
.path { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; display: flex; flex-direction: column; min-width: 0; }
.path p { color: var(--text-2); font-size: 15px; margin: 0 0 16px; }
.tag { display: inline-block; align-self: flex-start; font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; padding: 4px 10px; border-radius: 999px; background: #d8f5e8; color: var(--teal); }
.tag-muted { background: var(--bg-alt); color: var(--muted); }
.code { position: relative; margin-top: auto; }
.code pre { margin: 0; padding: 16px; padding-right: 64px; border-radius: 12px; background: #eef7f3; color: #12352d; border: 1px solid var(--line); overflow-x: auto; font-size: 13px; line-height: 1.6; }
.code pre code { background: none; padding: 0; font-size: inherit; color: inherit; }
.copy { position: absolute; top: 8px; right: 8px; font: 600 12px system-ui, sans-serif; color: var(--text); background: #ffffff; border: 1px solid var(--line); border-radius: 8px; padding: 4px 10px; cursor: pointer; }
.copy:hover { background: #e3f6ee; }
@media (max-width: 900px) { .paths { grid-template-columns: 1fr; } }

/* open source */
.oss { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.oss p { color: var(--text-2); font-size: 18px; }
.lic { width: 100%; border-collapse: separate; border-spacing: 0; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; font-size: 15px; }
.lic th, .lic td { text-align: left; padding: 14px 18px; border-bottom: 1px solid var(--line); }
.lic tr:last-child td { border-bottom: 0; }
.lic th { font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); background: var(--bg-alt); }
.lic td:last-child { font-weight: 600; }
@media (max-width: 900px) { .oss { grid-template-columns: 1fr; } }

/* faq */
.faq { display: grid; gap: 12px; margin-top: 28px; }
.faq details { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 4px 20px; }
.faq summary { cursor: pointer; font-weight: 600; padding: 14px 0; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--muted); font-weight: 400; font-size: 22px; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 0 0 16px; color: var(--text-2); }

/* closing */
.closing { padding: 96px 0; text-align: center; color: var(--text); background: linear-gradient(120deg, #d8f5e8 0%, #dff1ff 50%, #ffe6d6 100%); }
.closing h2 { color: var(--text); }
.closing p { font-size: 19px; color: var(--text-2); margin: 0 0 28px; font-style: italic; }

.foot { padding: 28px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.foot-row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; align-items: center; }
.foot .brand { color: var(--text-2); }
.spot-copy .kicker { color: var(--teal); font-size: 13px; margin: 0 0 14px; }
.spot-copy h2 + p, .spot-copy h2 + ul { margin-top: 4px; }

/* later fixes: kicker colour wins everywhere; get-started paths as wide rows with the code beside the text */
.section .kicker, .spot-copy .kicker, .oss .kicker { color: var(--teal); font-size: 13px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; margin: 0 0 14px; }
.paths { grid-template-columns: 1fr; }
.path { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 8px 32px; align-items: center; }
.path > .tag, .path > h3, .path > p { grid-column: 1; }
.path > .code { grid-column: 2; grid-row: 1 / span 3; margin: 0; }
.code pre { padding: 40px 16px 16px; font-size: 13.5px; }
.copy { top: 9px; }
@media (max-width: 900px) { .path { grid-template-columns: minmax(0, 1fr); } .path > .code { grid-column: 1; grid-row: auto; margin-top: 8px; min-width: 0; } }
.code { min-width: 0; }
.path > .tag { justify-self: start; }

/* a little more energy */
h1 .all { background: linear-gradient(90deg, #059669, #0ea5e9 70%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.pain { border-top: 4px solid var(--mint); }
.pain:nth-child(3n+2) { border-top-color: #7cc8f5; }
.pain:nth-child(3n) { border-top-color: #ffb48a; }
.feature { transition: transform .18s ease, box-shadow .18s ease; }
.feature:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.chips li { background: #ffffff; border-color: #cfe9de; }
.nav { background: color-mix(in srgb, #ffffff 86%, transparent); }

/* definition block, legal pages, footer links */
.define { padding: 64px 0 24px; }
.define-lead { font-size: 19px; color: var(--text-2); margin: 0 0 26px; }
.define-lead strong { color: var(--text); }
.defs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 0; }
.defs div { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 18px; }
.defs dt { font-weight: 800; color: var(--teal); margin-bottom: 6px; }
.defs dd { margin: 0; color: var(--text-2); font-size: 15px; }
@media (max-width: 760px) { .defs { grid-template-columns: 1fr; } }
.foot-links { display: flex; flex-wrap: wrap; gap: 16px; }
.foot-links a { color: var(--text-2); }
.legal { padding: 56px 0 80px; }
.legal h1 { font-size: clamp(34px, 5vw, 48px); }
.legal h2 { font-size: 22px; margin: 36px 0 10px; letter-spacing: -.01em; }
.legal p, .legal li { color: var(--text-2); }
.legal .updated { color: var(--muted); font-size: 14px; }
.push { margin-left: auto; }
.gh { margin-left: auto; display: inline-flex; align-items: center; gap: 6px; color: var(--text-2); font-weight: 600; font-size: 15px; }
.gh svg { width: 20px; height: 20px; fill: currentColor; }
.gh:hover { color: var(--text); text-decoration: none; }

/* the menu: inline on wide screens, a drop-down panel behind a menu button on phones and tablets */
.menu-btn { display: none; }
@media (max-width: 900px) {
  .nav-row { gap: 12px; }
  .nav .gh { margin-left: auto; }
  .gh span { display: none; }
  .menu-btn { display: inline-flex; flex-direction: column; justify-content: center; gap: 4px; width: 42px; height: 40px; padding: 0 11px; border: 1px solid var(--line); border-radius: 12px; background: #fff; cursor: pointer; }
  .menu-btn span { display: block; height: 2px; border-radius: 2px; background: var(--text); transition: transform .18s ease, opacity .18s ease; }
  .nav.open .menu-btn span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .nav.open .menu-btn span:nth-child(2) { opacity: 0; }
  .nav.open .menu-btn span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  #site-menu { display: none; position: absolute; left: 0; right: 0; top: 100%; background: #ffffff; border-bottom: 1px solid var(--line); box-shadow: 0 18px 30px rgba(18, 53, 45, .10); }
  .nav.open #site-menu { display: block; }
  .nav-links { flex-direction: column; gap: 0; margin: 0 auto; padding: 6px 16px 14px; width: min(1160px, 100%); }
  .nav-links a { display: block; padding: 13px 4px; font-size: 17px; border-bottom: 1px solid var(--line); }
  .nav-links li:last-child a { border-bottom: 0; }
}
@media (max-width: 380px) { .nav .btn-small { padding: 8px 12px; } .brand span { font-size: 17px; } }