/* ==========================================================================
   PyLabs — pylabs.ch landing page
   Palette taken from kmeet.pylabs.ch (Infomaniak kMeet): green/teal accent,
   blue secondary, near-white page tint, rgba(0,0,0,.87) body text.
   No external fonts, scripts or trackers — everything ships from our origin.
   ========================================================================== */

:root {
  /* surfaces */
  --bg:            #f4f6ff;   /* kMeet page tint */
  --surface:       #ffffff;
  --surface-2:     #f8fafc;

  /* ink */
  --ink:           rgba(0, 0, 0, .87);
  --ink-strong:    #16232c;
  --muted:         #5c6a75;
  --slate:         #283f50;

  /* accents */
  --green:         #31966b;
  --green-deep:    #184934;
  --green-bright:  #3cbd86;
  --mint:          #76d4ac;
  --blue:          #0098ff;

  /* lines & shadow */
  --line:          #e2e8f0;
  --line-soft:     #eef1f7;
  --shadow-sm:     0 1px 2px rgba(16, 36, 30, .05), 0 2px 8px rgba(16, 36, 30, .05);
  --shadow-md:     0 4px 12px rgba(16, 36, 30, .07), 0 16px 40px rgba(16, 36, 30, .07);
  --shadow-lg:     0 8px 24px rgba(16, 36, 30, .10), 0 28px 64px rgba(16, 36, 30, .10);

  /* rhythm */
  --radius:        16px;
  --radius-lg:     22px;
  --wrap:          1120px;
  --section-y:     clamp(4.5rem, 9vw, 8rem);

  --font: "Inter", "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue",
          Arial, "Noto Sans", sans-serif;
}

/* ── base ─────────────────────────────────────────────────────────────── */

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--surface);
  color: var(--ink);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3 { color: var(--ink-strong); line-height: 1.18; letter-spacing: -.02em; margin: 0; }
p { margin: 0 0 1rem; }
img { max-width: 100%; height: auto; }

a { color: var(--green-deep); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--green); }

:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 3px;
  border-radius: 6px;
}

.wrap { width: min(100% - 2.5rem, var(--wrap)); margin-inline: auto; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--green-deep); color: #fff; padding: .75rem 1.25rem;
  border-radius: 0 0 10px 0; text-decoration: none; font-weight: 600;
}
.skip-link:focus { left: 0; }

/* ── shared bits ──────────────────────────────────────────────────────── */

.eyebrow {
  font-size: .78rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--green); margin: 0 0 .9rem;
}

.grad {
  background: linear-gradient(135deg, var(--green) 0%, var(--green-deep) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  display: inline-block;
}

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .95rem 1.6rem; border-radius: 999px;
  font-weight: 650; font-size: .98rem; line-height: 1;
  text-decoration: none; border: 1px solid transparent; cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
}
.btn--sm { padding: .68rem 1.15rem; font-size: .9rem; }

.btn--primary {
  background: linear-gradient(135deg, var(--green) 0%, var(--green-deep) 100%);
  color: #fff; box-shadow: 0 6px 18px rgba(24, 73, 52, .22);
}
.btn--primary:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 10px 26px rgba(24, 73, 52, .28); }

.btn--quiet {
  background: var(--surface); color: var(--slate); border-color: var(--line);
  box-shadow: var(--shadow-sm);
}
.btn--quiet:hover { color: var(--green-deep); border-color: var(--mint); transform: translateY(-2px); }

@media (prefers-reduced-motion: reduce) {
  .btn:hover { transform: none; }
}

.section { padding: var(--section-y) 0; }
.section--tint { background: var(--bg); border-block: 1px solid var(--line-soft); }

.section__title { font-size: clamp(1.75rem, 3.4vw, 2.6rem); margin-bottom: 1rem; }
.section__lead  { max-width: 62ch; color: var(--muted); font-size: 1.06rem; margin-bottom: 3rem; }

/* Reveal-on-scroll. Guarded by the .js-reveal class that the inline head
   script sets: without JS (or if the script fails) the content is simply
   visible rather than permanently invisible. */
.js-reveal .reveal {
  opacity: 0; transform: translateY(18px);
  transition: opacity .6s ease, transform .6s ease;
}
.js-reveal .reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .js-reveal .reveal { opacity: 1; transform: none; transition: none; }
}

/* ── nav ──────────────────────────────────────────────────────────────── */

.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .82);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.nav--solid { border-bottom-color: var(--line); box-shadow: 0 1px 12px rgba(16, 36, 30, .05); }

.nav__inner { display: flex; align-items: center; gap: 1.5rem; height: 68px; }

.brand { display: inline-flex; align-items: center; gap: .6rem; text-decoration: none; }
.brand__mark { display: block; }
.brand__word {
  font-size: 1.22rem; font-weight: 700; letter-spacing: -.02em; color: var(--ink-strong);
}

.nav__links { display: flex; gap: 1.75rem; margin-left: auto; }
.nav__links a {
  color: var(--slate); text-decoration: none; font-size: .95rem; font-weight: 550;
  position: relative; padding-block: .25rem;
}
.nav__links a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 2px;
  background: var(--green-bright); border-radius: 2px; transition: right .22s ease;
}
.nav__links a:hover { color: var(--green-deep); }
.nav__links a:hover::after { right: 0; }

@media (max-width: 900px) {
  .nav__links { display: none; }
  .nav__cta { margin-left: auto; }
}

/* ── hero ─────────────────────────────────────────────────────────────── */

.hero { position: relative; overflow: hidden; padding: clamp(3.5rem, 8vw, 6.5rem) 0 clamp(3.5rem, 7vw, 5.5rem); }

/* soft green/blue aurora behind the hero — pure CSS, no image request */
.hero__glow {
  position: absolute; inset: -35% -20% auto -20%; height: 130%;
  background:
    radial-gradient(42% 46% at 22% 26%, rgba(60, 189, 134, .26) 0%, rgba(60, 189, 134, 0) 68%),
    radial-gradient(38% 42% at 80% 18%, rgba(0, 152, 255, .18) 0%, rgba(0, 152, 255, 0) 70%),
    radial-gradient(50% 50% at 52% 78%, rgba(118, 212, 172, .20) 0%, rgba(118, 212, 172, 0) 72%),
    linear-gradient(180deg, var(--bg) 0%, rgba(244, 246, 255, 0) 85%);
  pointer-events: none;
}

.hero__inner { position: relative; text-align: center; }

.hero__logo {
  width: clamp(160px, 20vw, 244px); height: auto;
  margin: 0 auto 1.75rem; display: block;
}

.hero__title {
  font-size: clamp(2.1rem, 5.4vw, 3.65rem);
  max-width: 24ch; margin: 0 auto 1.5rem; text-wrap: balance;
}
.hero__title .grad { display: block; }

.hero__lead {
  max-width: 66ch; margin: 0 auto 2.25rem;
  font-size: clamp(1.02rem, 1.5vw, 1.16rem); color: var(--muted);
}

.hero__actions { display: flex; flex-wrap: wrap; gap: .85rem; justify-content: center; }

.facts {
  list-style: none; margin: 3.75rem auto 0; padding: 0;
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem;
  max-width: 760px;
}
.facts li {
  display: flex; flex-direction: column; gap: .2rem; align-items: center;
  padding: 1.15rem .75rem;
  background: var(--surface); border: 1px solid var(--line-soft); border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.facts strong {
  font-size: 1.3rem; font-weight: 700; letter-spacing: -.02em;
  background: linear-gradient(135deg, var(--green) 0%, var(--green-deep) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.facts span { font-size: .84rem; color: var(--muted); text-align: center; line-height: 1.4; }

@media (max-width: 640px) {
  .facts { grid-template-columns: 1fr; max-width: 420px; }
}

/* ── service cards ────────────────────────────────────────────────────── */

/* deliberately 2×2 rather than auto-fit: four cards in a 3+1 row reads as
   "one got left over" */
.cards {
  display: grid; gap: 1.5rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
@media (max-width: 780px) { .cards { grid-template-columns: 1fr; } }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 2rem 1.9rem 1.75rem;
  box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--mint); }
@media (prefers-reduced-motion: reduce) { .card:hover { transform: none; } }

.card__icon {
  width: 46px; height: 46px; border-radius: 13px; margin-bottom: 1.15rem;
  display: grid; place-items: center; color: var(--green-deep);
  background: linear-gradient(135deg, rgba(118, 212, 172, .30) 0%, rgba(49, 150, 107, .16) 100%);
}
.card__icon svg { width: 24px; height: 24px; }

.card h3 { font-size: 1.2rem; margin-bottom: .7rem; }
.card p  { color: var(--muted); font-size: .97rem; margin-bottom: 1.25rem; }
.card em { color: var(--ink-strong); font-style: normal; font-weight: 600; }

.tags { list-style: none; display: flex; flex-wrap: wrap; gap: .45rem; margin: 0; padding: 0; }
.tags li {
  font-size: .78rem; font-weight: 550; color: var(--slate);
  background: var(--surface-2); border: 1px solid var(--line);
  padding: .3rem .7rem; border-radius: 999px;
}

/* ── sovereignty tiers ────────────────────────────────────────────────── */

.tiers {
  display: grid; gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  align-items: start;
}

.tier {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 2rem 1.85rem;
  box-shadow: var(--shadow-sm);
}

.tier--featured {
  border-color: transparent;
  background:
    linear-gradient(var(--surface), var(--surface)) padding-box,
    linear-gradient(135deg, var(--green-bright) 0%, var(--green-deep) 100%) border-box;
  border: 2px solid transparent;
  box-shadow: var(--shadow-md);
}

.tier__badge {
  position: absolute; top: -.75rem; left: 1.85rem;
  font-size: .7rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: #fff; padding: .3rem .7rem; border-radius: 999px;
  background: linear-gradient(135deg, var(--green) 0%, var(--green-deep) 100%);
}

.tier__name { font-size: 1.28rem; margin-bottom: .75rem; }
.tier__desc { color: var(--muted); font-size: .97rem; margin-bottom: 1.35rem; }

.ticks { list-style: none; margin: 0; padding: 0; display: grid; gap: .6rem; }
.ticks li {
  position: relative; padding-left: 1.7rem; font-size: .93rem; color: var(--slate);
}
.ticks li::before {
  content: ""; position: absolute; left: 0; top: .38em;
  width: 1.05rem; height: 1.05rem; border-radius: 50%;
  background: var(--green-bright) no-repeat center / .62rem .62rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2 6.4l2.6 2.6L10 3.4' fill='none' stroke='%23fff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}

/* ── approach steps ───────────────────────────────────────────────────── */

.steps {
  list-style: none; margin: 0; padding: 0;
  display: grid; gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  counter-reset: step;
}
.step {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.75rem 1.6rem;
  box-shadow: var(--shadow-sm);
}
.step__n {
  display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%;
  font-size: .95rem; font-weight: 700; color: #fff; margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--green) 0%, var(--green-deep) 100%);
}
.step h3 { font-size: 1.08rem; margin-bottom: .5rem; }
.step p  { color: var(--muted); font-size: .93rem; margin: 0; }

/* ── company ──────────────────────────────────────────────────────────── */

.company {
  display: grid; gap: 3rem; align-items: center;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr);
}
.company__text p { color: var(--muted); max-width: 58ch; }
.company__text .btn { margin-top: .75rem; }
.company__mark { display: grid; place-items: center; }
.company__mark img {
  width: min(220px, 60%);
  filter: drop-shadow(0 18px 34px rgba(16, 36, 30, .16));
}

@media (max-width: 860px) {
  .company { grid-template-columns: 1fr; gap: 2rem; }
  .company__mark { order: -1; }
  .company__mark img { width: 140px; }
}

/* ── contact ──────────────────────────────────────────────────────────── */

.contact {
  background: linear-gradient(135deg, var(--green-deep) 0%, #10362a 55%, #0d2b3a 100%);
  color: #e8f3ee;
}
.contact .eyebrow { color: var(--mint); }
.contact .section__title { color: #fff; max-width: 22ch; margin-inline: auto; }
.contact .section__lead { color: rgba(232, 243, 238, .8); margin-inline: auto; margin-bottom: 2.25rem; }
.contact__inner { text-align: center; }

.contact__mail { margin: 0 0 .9rem; }
.contact__mail a {
  font-size: clamp(1.2rem, 3vw, 1.85rem); font-weight: 700; letter-spacing: -.02em;
  color: #fff; text-decoration: none;
  border-bottom: 2px solid var(--green-bright); padding-bottom: .15rem;
}
.contact__mail a:hover { color: var(--mint); border-color: var(--mint); }

.contact__note { color: rgba(232, 243, 238, .6); font-size: .9rem; margin: 0; }

/* Obfuscated contact address. The "@" is injected here rather than written
   into the markup, so the full address never appears as one string in the
   served HTML. The inline script replaces the whole thing with a real text
   node plus a mailto link, so with JS on (the normal case) copy-paste and
   screen readers get the untouched address. */
.js-mail__at::before { content: "\0040"; }

/* ── footer ───────────────────────────────────────────────────────────── */

.footer { background: var(--surface); border-top: 1px solid var(--line); padding: 2.5rem 0; }
.footer__inner { display: grid; gap: .6rem; justify-items: center; text-align: center; }
.footer__brand { display: inline-flex; align-items: center; gap: .55rem; font-weight: 600; color: var(--ink-strong); font-size: .95rem; }
.footer__meta { color: var(--muted); font-size: .88rem; margin: 0; }
.footer__privacy { color: var(--muted); font-size: .82rem; margin: 0; opacity: .85; }