/* Mindsprings: company page.
   Three colours only: light neutral ground, one slate for every dark surface (ink for text), one blue accent.
   sehn.ai rose appears only inside the sehn.ai card. */
:root {
  --bg: #F4F4F2; --card: #FFFFFF; --line: #DCDDE1; --line-2: #C9CBD1;
  --ink: #0E1726; --ink-2: #485263; --ink-3: #6B7383;
  --blue: #2350A8; --blue-light: #8DB0EE;
  --night: #243041; --night-line: #3A485E; --night-text: #C5CDD8;
  --rose: #E7A1B6;
  --serif: "Fraunces", Georgia, serif; --sans: "IBM Plex Sans", system-ui, sans-serif; --mono: "Courier Prime", ui-monospace, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.6 var(--sans); }
img { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--serif); font-weight: 400; line-height: 1.1; margin: 0; }
h1 em, h2 em { font-style: italic; color: var(--blue); }
p { margin: 0; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 721px) { .wrap { padding: 0 32px; } }
.eyebrow, .kind, .role, .sectors, .stat__label { font-family: var(--mono); text-transform: uppercase; }
.eyebrow { font-size: 13px; letter-spacing: 4px; color: var(--blue); margin-bottom: 12px; }
.lead { font-size: 17px; color: var(--ink-2); max-width: 720px; }

/* header */
.top { position: sticky; top: 0; z-index: 10; background: rgba(244, 244, 242, .9); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.top__in { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 62px; }
.mark { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--blue); }
.mark span { font-family: var(--serif); font-size: 23px; color: var(--ink); }
.top nav { display: flex; align-items: center; gap: 26px; font-size: 15px; font-weight: 500; }
.top nav a { text-decoration: none; color: var(--ink-2); }
.top nav a:hover { color: var(--blue); }
.top nav a.top__cta { color: #fff; background: var(--night); padding: 7px 16px; border-radius: 6px; }
.top nav a.top__cta:hover { background: var(--blue); }
@media (max-width: 760px) { .top nav a:not(.top__cta) { display: none; } }

/* hero */
.hero { padding: 36px 0 28px; overflow: hidden; }
.hero__grid { display: grid; gap: 24px; align-items: center; }
@media (min-width: 900px) { .hero__grid { grid-template-columns: 1fr 190px; gap: 48px; } .hero { padding: 44px 0 36px; } }
.hero h1 { font-size: clamp(34px, 4vw, 52px); margin-bottom: 12px; }
.br-desk { display: none; }
@media (min-width: 900px) { .br-desk { display: inline; } }
.ctas { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.btn { display: inline-block; text-decoration: none; font-weight: 600; font-size: 15px; padding: 10px 20px; border-radius: 6px; transition: background-color .2s ease, color .2s ease, border-color .2s ease; }
.btn--ink { background: var(--night); color: #fff; }
.btn--blue { background: var(--blue); color: #fff; border: 0; cursor: pointer; font-family: inherit; }
.btn--blue:hover { background: #1B3F86; }
.btn--blue:disabled { opacity: .6; cursor: progress; }
.btn--ink:hover { background: var(--blue); }
.btn--line { border: 1px solid var(--ink); }
.btn--line:hover { border-color: var(--blue); color: var(--blue); }

/* the spring: rings that keep spreading from one point */
.ripple { color: var(--blue); max-width: 190px; width: 100%; justify-self: center; }
.ripple svg { width: 100%; height: auto; overflow: visible; }
.ripple__rings circle { stroke-width: 1.5; transform-origin: 200px 200px; animation: ring 6s cubic-bezier(.2, .6, .3, 1) infinite; opacity: 0; }
.ripple__rings circle:nth-child(2) { animation-delay: 1.5s; }
.ripple__rings circle:nth-child(3) { animation-delay: 3s; }
.ripple__rings circle:nth-child(4) { animation-delay: 4.5s; }
@keyframes ring { 0% { transform: scale(.4); opacity: 0; } 15% { opacity: .7; } 100% { transform: scale(4.6); opacity: 0; } }
.ripple__drop { fill: var(--blue); }
@media (max-width: 899px) { .ripple { display: none; } }

/* sections */
.section { padding: 72px 0; }
.section--tight { padding: 52px 0; }
.section--rule { border-top: 1px solid var(--line); }
.head { margin-bottom: 28px; max-width: 760px; }
.head h2 { font-size: clamp(30px, 3.6vw, 44px); }
.head--row { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 22px; max-width: none; margin-bottom: 22px; }
.head--row .eyebrow { margin: 0; }
.head--row h2 { font-size: clamp(26px, 2.6vw, 32px); }

/* products, stacked */
#work { padding: 4px 0 56px; }
.work { display: grid; gap: 12px; }
.card { display: grid; gap: 16px 24px; padding: 22px; border-radius: 12px; text-decoration: none; transition: border-color .2s ease, box-shadow .2s ease; }
@media (min-width: 721px) { .card { padding: 22px 26px; grid-template-columns: 76px 1fr; align-items: center; } .card .stat { grid-column: 2; } }
@media (min-width: 1000px) { .card--sehn { grid-template-columns: 76px 1.45fr 1fr; } .card--sehn .stat { grid-column: auto; } }
.tile { width: 76px; height: 76px; border-radius: 10px; display: grid; place-items: center; }
.card .kind { font-size: 11px; letter-spacing: 2.5px; margin-bottom: 6px; }
.card h3 { font-size: clamp(24px, 2.4vw, 31px); margin-bottom: 6px; }
.card p:not(.kind):not(.stat__label) { font-size: 15.5px; }
.go { display: inline-block; margin-top: 8px; font-weight: 600; font-size: 15px; }

.card--sehn { background: var(--night); color: #F5F2EA; }
.card--sehn:hover { box-shadow: 0 18px 40px -24px rgba(36, 48, 65, .8); }
.card--sehn .tile { background: rgba(255, 255, 255, .05); border: 1px solid var(--night-line); }
.card--sehn .kind { color: var(--night-text); }
.card--sehn h3 em { font-style: italic; color: var(--rose); }
.card--sehn p:not(.kind):not(.stat__label) { color: var(--night-text); }
.stat { border: 1px solid var(--night-line); border-radius: 8px; padding: 14px 16px; }
.card .stat__label { font-size: 10.5px; letter-spacing: 1.5px; color: var(--night-text); margin-bottom: 10px; }
.stat__row { display: grid; grid-template-columns: 88px 1fr 40px; align-items: center; gap: 10px; font-size: 13px; color: var(--night-text); }
.stat__row + .stat__row { margin-top: 8px; }
.stat__row i { height: 6px; border-radius: 3px; background: linear-gradient(90deg, #8E99AB var(--w), rgba(255, 255, 255, .12) var(--w)); }
.stat__row--on i { background: linear-gradient(90deg, var(--rose) var(--w), rgba(255, 255, 255, .12) var(--w)); }
.stat__row b { font-weight: 600; text-align: right; font-variant-numeric: tabular-nums; color: #F5F2EA; }
.stat__row--on span { color: #F5F2EA; }

.card--serenity { background: var(--card); border: 1px solid var(--line); color: var(--ink); }
.card--serenity:hover { border-color: var(--line-2); box-shadow: 0 14px 30px -24px rgba(14, 23, 38, .45); }
.card--serenity .tile { background: var(--bg); border: 1px solid var(--line); }
.card--serenity .kind { color: var(--ink-3); }
.card--serenity p:not(.kind) { color: var(--ink-2); }
.card--serenity .go { color: var(--blue); }

/* for companies */
.sectors { margin-top: 16px; font-size: 12px; letter-spacing: 2.5px; color: var(--ink-2); }
.sectors span { margin: 0 10px; color: var(--blue); }
.offers { display: grid; gap: 12px; }
@media (min-width: 900px) { .offers { grid-template-columns: repeat(3, 1fr); } }
.offer { display: flex; flex-direction: column; gap: 6px; padding: 22px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; }
.offer h3 { font-size: 24px; }
.offer p { flex: 1; color: var(--ink-2); font-size: 15.5px; }
.offer a { margin-top: 8px; font-weight: 600; font-size: 15px; color: var(--blue); text-decoration: none; }
.offer a:hover { text-decoration: underline; }

/* team */
.team { display: grid; gap: 24px; }
@media (min-width: 860px) { .team { grid-template-columns: 1fr 1fr; gap: 40px; } }
.person { display: grid; grid-template-columns: 72px 1fr; gap: 18px; align-items: start; }
.person img { width: 72px; height: 72px; border-radius: 50%; object-fit: cover; }
.person h3 { font-size: 22px; }
.role { font-size: 11px; letter-spacing: 2px; color: var(--blue); margin: 2px 0 6px; }
.person p:last-child { color: var(--ink-2); font-size: 15px; }

/* contact: the same night as the sehn.ai card */
.contact { background: var(--night); color: #EEF1F6; }
.contact .eyebrow { color: var(--blue-light); }
.contact__grid { display: grid; gap: 36px; align-items: start; }
@media (min-width: 900px) { .contact__grid { grid-template-columns: 1fr 1.1fr; gap: 36px 56px; } .contact__grid .form { grid-column: 2; grid-row: 1 / span 2; } .contact__grid .entities { grid-column: 1; grid-row: 2; align-self: end; } }
.contact__text { margin-top: 16px; color: var(--night-text); max-width: 440px; }
.contact__or { margin-top: 24px; font-size: 14px; color: var(--night-text); }
.contact h2 { font-size: clamp(36px, 5vw, 60px); }
.mails { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.copy { display: inline-flex; align-items: center; gap: 12px; font: 500 15px var(--sans); color: #EEF1F6; background: transparent; border: 1px solid var(--night-line); border-radius: 6px; padding: 9px 12px; cursor: pointer; }
.copy:hover { border-color: var(--blue-light); }
.copy span { font-family: var(--mono); font-size: 11px; letter-spacing: 2px; text-transform: uppercase; color: var(--blue-light); }
.entities { display: grid; gap: 14px; font-size: 14.5px; color: var(--night-text); }
.entities > div { border-top: 1px solid var(--night-line); padding-top: 14px; }
.entities b { display: block; font-family: var(--serif); font-weight: 400; font-size: 22px; color: #EEF1F6; }

/* the form: big, clear fields; errors say what to do */
.form { background: var(--card); color: var(--ink); border-radius: 12px; padding: 22px; }
@media (min-width: 721px) { .form { padding: 28px; } }
.field { display: block; margin-bottom: 14px; }
.field > span { display: block; font-family: var(--mono); font-size: 11px; letter-spacing: 2px; text-transform: uppercase; color: var(--ink-2); margin-bottom: 6px; }
.field i, .form__note i { font-style: normal; color: var(--blue); }
.field input, .field textarea, .field select { width: 100%; min-height: 46px; font: 16px var(--sans); color: var(--ink); background: #fff; border: 1px solid var(--line-2); border-radius: 6px; padding: 10px 12px; }
.field textarea { min-height: 120px; resize: vertical; line-height: 1.5; }
.field select { appearance: none; cursor: pointer; padding-right: 36px; background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1,1 L6,6 L11,1' fill='none' stroke='%232350A8' stroke-width='2'/%3E%3C/svg%3E") no-repeat right 14px center; }
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(35, 80, 168, .18); }
.field [aria-invalid="true"] { border-color: #B42318; background: #FEF3F2; }
.field [aria-invalid="true"]:focus { border-color: #B42318; box-shadow: 0 0 0 3px rgba(180, 35, 24, .15); }
.field-row { display: grid; gap: 0 12px; }
@media (min-width: 480px) { .field-row { grid-template-columns: 1fr 1fr; } }
.check { display: grid; grid-template-columns: 22px 1fr; gap: 10px; align-items: start; margin: 2px 0 18px; font-size: 15px; color: var(--ink-2); cursor: pointer; }
.check input { width: 20px; height: 20px; margin: 2px 0 0; accent-color: var(--blue); cursor: pointer; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form .btn { min-height: 46px; padding: 12px 24px; font-size: 16px; }
.form__status { margin-top: 12px; font-size: 15px; color: var(--ink-2); }
.form__status:empty { display: none; }
.form__status.is-error { color: #B42318; }
.form__note { margin-top: 12px; font-size: 13.5px; color: var(--ink-3); }
.form__note a { color: var(--blue); }
.form h3 { font-size: 30px; }
.form__thanks { margin-top: 8px; color: var(--ink-2); }

/* footer */
.foot { background: var(--night); color: #7E8899; border-top: 1px solid var(--night-line); padding: 22px 0; font-size: 13px; }
.foot__in { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; }
.foot a { color: var(--night-text); text-decoration: none; margin-left: 18px; }
.foot p:last-child a:first-child { margin-left: 0; }
.foot a:hover { color: #fff; }

/* imprint */
.legal { max-width: 760px; }
.legal > a { color: var(--blue); text-decoration: none; font-size: 15px; font-weight: 500; }
.legal h1 { font-size: clamp(40px, 5.5vw, 64px); margin: 16px 0 20px; }
.legal > p { color: var(--ink-2); }
.legal h2 { font-size: 32px; margin: 44px 0 10px; }
.legal h3 { font-size: 21px; margin: 26px 0 6px; }
.legal dt { font-family: var(--mono); font-size: 11px; letter-spacing: 2px; text-transform: uppercase; color: var(--blue); margin-top: 14px; }
.legal dd { margin: 3px 0 0; }
.legal p a, .legal dd a { color: var(--blue); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
  .ripple__rings circle { animation: none; opacity: .35; }
  .ripple__rings circle:nth-child(1) { transform: scale(1.4); }
  .ripple__rings circle:nth-child(2) { transform: scale(2.4); opacity: .25; }
  .ripple__rings circle:nth-child(3) { transform: scale(3.4); opacity: .15; }
  .ripple__rings circle:nth-child(4) { transform: scale(4.4); opacity: .08; }
}