/* Kessler · Ibarra — feuille de style
   Ardoise #12161C · bleu acier #5B7FA6 · menthe #9FE2BF
   Breakpoints : 560 / 768 / 1024 / 1440 */

:root {
  --ksi-bg: #12161C;
  --ksi-bg-2: #171D25;
  --ksi-steel: #5B7FA6;
  --ksi-steel-soft: rgba(91, 127, 166, 0.18);
  --ksi-mint: #9FE2BF;
  --ksi-text: #E8EDF2;
  --ksi-dim: #9AA7B6;
  --ksi-line: rgba(159, 180, 204, 0.12);
  --ksi-glass: rgba(30, 38, 49, 0.55);
  --ksi-glass-brd: rgba(255, 255, 255, 0.09);
  --ksi-head: "Sora", "Segoe UI", system-ui, sans-serif;
  --ksi-body: "Manrope", "Segoe UI", system-ui, sans-serif;
  --ksi-max: 1320px;
  --ksi-pad: clamp(16px, 4.5vw, 56px);
  --ksi-r: 22px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--ksi-bg); color: var(--ksi-text);
  font-family: var(--ksi-body); font-size: clamp(1rem, 0.96rem + 0.2vw, 1.08rem); line-height: 1.65;
  overflow-x: hidden; -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: var(--ksi-mint); text-underline-offset: 3px; }
h1, h2, h3 { font-family: var(--ksi-head); margin: 0; line-height: 1.08; letter-spacing: -0.02em; }
p { margin: 0 0 1em; }
:focus-visible { outline: 2px solid var(--ksi-mint); outline-offset: 3px; border-radius: 6px; }

.ksi-skip { position: absolute; left: -999px; top: 10px; z-index: 200; background: var(--ksi-mint); color: var(--ksi-bg); padding: 8px 14px; border-radius: 999px; font-weight: 700; }
.ksi-skip:focus { left: 10px; }
.ksi-shell { max-width: var(--ksi-max); margin-inline: auto; padding-inline: var(--ksi-pad); }
.ksi-muted { color: var(--ksi-dim); }
.ksi-glass {
  background: var(--ksi-glass); border: 1px solid var(--ksi-glass-brd); border-radius: var(--ksi-r);
  -webkit-backdrop-filter: blur(14px) saturate(140%); backdrop-filter: blur(14px) saturate(140%);
  box-shadow: 0 1px 0 rgba(255,255,255,.05) inset, 0 20px 50px -30px rgba(0,0,0,.8);
}
.ksi-label { font-family: var(--ksi-head); font-size: .8rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--ksi-mint); margin-bottom: 14px; }

/* ---------- Header ---------- */
.ksi-top { position: fixed; top: 12px; left: 0; right: 0; z-index: 60; padding-inline: clamp(10px, 2vw, 24px); }
.ksi-top__bar {
  max-width: var(--ksi-max); margin-inline: auto; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 10px 12px 10px 16px; border-radius: 999px;
  background: rgba(18, 22, 28, 0.72); border: 1px solid var(--ksi-glass-brd);
  -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
  transition: background-color .3s, box-shadow .3s;
}
.ksi-top.is-scrolled .ksi-top__bar { background: rgba(18, 22, 28, 0.92); box-shadow: 0 12px 30px -16px rgba(0,0,0,.9); }
.ksi-brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ksi-text); text-decoration: none; }
.ksi-brand__mark { width: 36px; height: 36px; }
.ksi-brand__name { font-family: var(--ksi-head); font-weight: 700; font-size: 1.1rem; letter-spacing: -0.01em; }
.ksi-brand__dot { color: var(--ksi-mint); margin: 0 .18em; }
.ksi-menu { display: flex; align-items: center; gap: 4px; }
.ksi-menu a { color: var(--ksi-text); text-decoration: none; font-weight: 500; font-size: .95rem; padding: 10px 14px; border-radius: 999px; transition: background-color .2s, color .2s; }
.ksi-menu a:hover { background: rgba(255,255,255,.06); }
.ksi-menu .ksi-menu__cta { background: var(--ksi-mint); color: var(--ksi-bg); font-weight: 700; margin-left: 6px; }
.ksi-menu .ksi-menu__cta:hover { background: #c1f0d6; }
.ksi-toggle { display: none; }

/* ---------- Buttons ---------- */
.ksi-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 50px; padding: 12px 26px;
  border-radius: 999px; font-family: var(--ksi-head); font-weight: 600; font-size: .98rem; text-decoration: none; cursor: pointer;
  border: 1px solid transparent; transition: transform .2s, background-color .2s, border-color .2s, color .2s;
}
.ksi-btn:hover { transform: translateY(-2px); }
.ksi-btn--mint { background: var(--ksi-mint); color: #0E1216; }
.ksi-btn--mint:hover { background: #c1f0d6; color: #0E1216; }
.ksi-btn--ghost { background: rgba(255,255,255,.03); color: var(--ksi-text); border-color: rgba(255,255,255,.2); }
.ksi-btn--ghost:hover { border-color: var(--ksi-mint); color: var(--ksi-mint); }
.ksi-btn--sm { min-height: 42px; padding: 8px 18px; font-size: .9rem; }
.ksi-btn--block { width: 100%; }

/* ---------- Hero ---------- */
.ksi-hero { position: relative; min-height: 100vh; min-height: 100svh; padding: 130px 0 70px; overflow: hidden; isolation: isolate; }
.ksi-hero__bg { position: absolute; inset: 0; z-index: -2; }
.ksi-hero__bg img { width: 100%; height: 100%; object-fit: cover; opacity: .5; }
.ksi-hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(90deg, rgba(18,22,28,.97) 0%, rgba(18,22,28,.82) 45%, rgba(18,22,28,.45) 100%),
    linear-gradient(0deg, var(--ksi-bg) 0%, transparent 30%);
}
.ksi-hero::after, .ksi-block--lines::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image: linear-gradient(var(--ksi-line) 1px, transparent 1px), linear-gradient(90deg, var(--ksi-line) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(ellipse at 30% 40%, #000 20%, transparent 75%); mask-image: radial-gradient(ellipse at 30% 40%, #000 20%, transparent 75%);
}
.ksi-hero__grid { max-width: var(--ksi-max); margin-inline: auto; padding-inline: var(--ksi-pad); display: grid; gap: 40px; grid-template-columns: 1fr; align-items: center; }
.ksi-eyebrow { display: inline-flex; align-items: center; gap: 10px; font-size: .88rem; font-weight: 600; color: var(--ksi-dim); padding: 8px 14px; border: 1px solid var(--ksi-glass-brd); border-radius: 999px; background: rgba(255,255,255,.03); margin-bottom: 26px; }
.ksi-pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--ksi-mint); box-shadow: 0 0 0 0 rgba(159,226,191,.6); animation: ksi-pulse 2.2s infinite; }
@keyframes ksi-pulse { 70% { box-shadow: 0 0 0 10px rgba(159,226,191,0); } 100% { box-shadow: 0 0 0 0 rgba(159,226,191,0); } }
.ksi-hero h1 { font-size: clamp(2.7rem, 1rem + 7.4vw, 7.4rem); font-weight: 800; letter-spacing: -0.045em; line-height: .95; max-width: 11ch; }
.ksi-outline { color: transparent; -webkit-text-stroke: 1.5px var(--ksi-steel); }
.ksi-mint { color: var(--ksi-mint); }
.ksi-hero__sub { font-size: clamp(1.05rem, 1rem + .35vw, 1.25rem); color: #C3CDD8; max-width: 540px; margin: 28px 0 0; }
.ksi-hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.ksi-hero__tags { list-style: none; padding: 0; margin: 34px 0 0; display: flex; flex-wrap: wrap; gap: 8px 22px; font-size: .88rem; color: var(--ksi-dim); }
.ksi-hero__tags li::before { content: ""; display: inline-block; width: 6px; height: 6px; border-radius: 2px; background: var(--ksi-steel); margin-right: 8px; vertical-align: middle; }
.ksi-hero__panel { position: relative; margin: 0; border-radius: 200px 200px 28px 28px; overflow: hidden; aspect-ratio: 3 / 4; max-height: 70vh; border: 1px solid var(--ksi-glass-brd); box-shadow: 0 40px 80px -40px rgba(0,0,0,.9), 0 0 0 10px rgba(91,127,166,.07); }
.ksi-hero__panel img { width: 100%; height: 100%; object-fit: cover; }
.ksi-hero__badge { position: absolute; left: 16px; right: 16px; bottom: 16px; padding: 16px 18px; border-radius: 16px; display: grid; gap: 2px; }
.ksi-hero__badge-k { color: var(--ksi-mint); font-family: var(--ksi-head); font-weight: 700; font-size: .85rem; letter-spacing: .1em; text-transform: uppercase; }
.ksi-hero__badge-v { font-size: .95rem; }

/* ---------- Blocks ---------- */
.ksi-block { position: relative; padding: clamp(70px, 10vw, 140px) 0; isolation: isolate; }
.ksi-block--lines { background: var(--ksi-bg-2); }
.ksi-block--lines::before { -webkit-mask-image: linear-gradient(180deg, transparent, #000 30%, #000 70%, transparent); mask-image: linear-gradient(180deg, transparent, #000 30%, #000 70%, transparent); }
.ksi-block h2 { font-size: clamp(2rem, 1.2rem + 3.2vw, 3.8rem); font-weight: 700; }
.ksi-split-head { display: grid; gap: 18px; align-items: end; margin-bottom: clamp(36px, 5vw, 64px); }
.ksi-split-head p { margin: 0; max-width: 460px; }
.ksi-h2-solo { max-width: 16ch; margin-bottom: clamp(36px, 5vw, 60px) !important; }

/* About */
.ksi-about { display: grid; gap: 36px; }
.ksi-about__body p:first-child { font-size: 1.15em; color: #D5DDE6; }
.ksi-stats { margin: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.ksi-stat { padding: 22px 20px; display: flex; flex-direction: column-reverse; gap: 6px; }
.ksi-stat dt { color: var(--ksi-dim); font-size: .9rem; }
.ksi-stat dd { margin: 0; font-family: var(--ksi-head); font-weight: 800; font-size: clamp(2.4rem, 1.6rem + 2.6vw, 3.6rem); line-height: 1; color: var(--ksi-text); letter-spacing: -0.04em; font-variant-numeric: tabular-nums; }
.ksi-stat dd small { font-size: .45em; color: var(--ksi-mint); letter-spacing: 0; }
.ksi-stat:nth-child(odd) dd span { background: linear-gradient(120deg, var(--ksi-text), var(--ksi-mint)); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* Services bento */
.ksi-bento { display: grid; gap: 16px; grid-template-columns: 1fr; }
.ksi-tile { padding: 26px 24px 28px; display: flex; flex-direction: column; gap: 12px; position: relative; overflow: hidden; transition: border-color .3s, transform .3s; }
.ksi-tile::after { content: ""; position: absolute; width: 220px; height: 220px; right: -90px; top: -90px; border-radius: 50%; background: radial-gradient(circle, rgba(91,127,166,.35), transparent 70%); pointer-events: none; transition: opacity .3s; opacity: .6; }
.ksi-tile:hover { border-color: rgba(159,226,191,.45); transform: translateY(-4px); }
.ksi-tile:hover::after { opacity: 1; }
.ksi-tile__top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.ksi-tile__emoji { display: grid; place-items: center; width: 54px; height: 54px; border-radius: 16px; font-size: 1.6rem; background: var(--ksi-steel-soft); border: 1px solid rgba(91,127,166,.35); }
.ksi-tile__n { font-family: var(--ksi-head); font-weight: 300; font-size: 2rem; color: rgba(159,226,191,.55); }
.ksi-tile h3 { font-size: 1.35rem; font-weight: 600; }
.ksi-tile p { color: var(--ksi-dim); margin: 0; }

/* Why us */
.ksi-reasons { display: grid; gap: 18px; grid-template-columns: 1fr; }
.ksi-reason { display: grid; grid-template-columns: 112px 1fr; gap: 18px; align-items: center; padding: 12px; border-radius: 20px; border: 1px solid var(--ksi-line); background: linear-gradient(135deg, rgba(91,127,166,.08), rgba(18,22,28,0)); transition: border-color .3s, background-color .3s; }
.ksi-reason:hover { border-color: rgba(159,226,191,.35); }
.ksi-reason img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 14px; }
.ksi-reason h3 { font-size: 1.15rem; font-weight: 600; margin-bottom: 6px; }
.ksi-reason p { color: var(--ksi-dim); margin: 0; font-size: .95rem; }

/* Reviews */
.ksi-quotes { display: grid; gap: 18px; grid-template-columns: 1fr; }
.ksi-quote { margin: 0; padding: 26px; display: flex; flex-direction: column; gap: 14px; }
.ksi-quote__who { display: flex; align-items: center; gap: 14px; }
.ksi-quote__who img { width: 58px; height: 58px; border-radius: 18px; object-fit: cover; border: 1px solid rgba(159,226,191,.4); }
.ksi-quote__who figcaption { display: grid; }
.ksi-quote__who strong { font-family: var(--ksi-head); font-weight: 600; }
.ksi-quote__who span { color: var(--ksi-dim); font-size: .88rem; }
.ksi-quote__stars { color: var(--ksi-mint); letter-spacing: .15em; margin: 0; font-size: .95rem; }
.ksi-off { color: rgba(255,255,255,.18); }
.ksi-quote blockquote { margin: 0; font-size: 1.05rem; color: #D5DDE6; }
.ksi-quote blockquote p { margin: 0; }

/* Contact */
.ksi-contact { display: grid; gap: 40px; }
.ksi-contact__side h2 { margin-bottom: 18px; }
.ksi-info { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 0; border-top: 1px solid var(--ksi-line); }
.ksi-info li { display: grid; grid-template-columns: 110px 1fr; gap: 12px; padding: 16px 0; border-bottom: 1px solid var(--ksi-line); }
.ksi-info__k { font-family: var(--ksi-head); font-size: .78rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--ksi-steel); padding-top: 3px; }
.ksi-info a { color: var(--ksi-text); text-decoration: none; border-bottom: 1px solid var(--ksi-mint); }
.ksi-info a:hover { color: var(--ksi-mint); }
.ksi-note { margin-top: 18px; font-size: .9rem; color: var(--ksi-dim); }

.ksi-form { padding: clamp(22px, 4vw, 40px); }
.ksi-form__grid { display: grid; gap: 16px; grid-template-columns: 1fr; }
.ksi-in { display: grid; gap: 6px; }
.ksi-in label { font-size: .85rem; font-weight: 600; color: #C3CDD8; }
.ksi-in label em { font-weight: 400; color: var(--ksi-dim); }
.ksi-in input, .ksi-in select, .ksi-in textarea {
  width: 100%; font: inherit; color: var(--ksi-text); background: rgba(10, 13, 17, .55);
  border: 1px solid rgba(255,255,255,.12); border-radius: 14px; padding: 13px 16px; min-height: 50px;
  transition: border-color .2s, box-shadow .2s; color-scheme: dark;
}
.ksi-in textarea { resize: vertical; min-height: 130px; }
.ksi-in input::placeholder, .ksi-in textarea::placeholder { color: #66727F; }
.ksi-in input:focus, .ksi-in select:focus, .ksi-in textarea:focus { outline: none; border-color: var(--ksi-mint); box-shadow: 0 0 0 4px rgba(159,226,191,.15); }
.ksi-in select option { background: var(--ksi-bg); }
.ksi-in.is-bad input, .ksi-in.is-bad select, .ksi-in.is-bad textarea { border-color: #F08A8A; }
.ksi-in__msg { color: #F4A3A3; font-size: .84rem; }
.ksi-in__msg:empty { display: none; }
.ksi-consent { display: grid; grid-template-columns: 22px 1fr; gap: 6px 12px; margin-top: 20px; font-size: .92rem; color: #C3CDD8; }
.ksi-consent input { width: 20px; height: 20px; margin: 3px 0 0; accent-color: var(--ksi-mint); }
.ksi-consent .ksi-in__msg { grid-column: 2; }
.ksi-disclaimer { font-size: .84rem; color: var(--ksi-dim); margin: 16px 0 20px; padding: 12px 14px; border-radius: 12px; border: 1px dashed rgba(91,127,166,.5); }
.ksi-done { display: flex; gap: 14px; align-items: flex-start; margin-top: 18px; padding: 16px 18px; border-radius: 16px; background: rgba(159,226,191,.1); border: 1px solid rgba(159,226,191,.45); outline: none; }
.ksi-done[hidden] { display: none; }
.ksi-done__icon { flex: none; display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--ksi-mint); color: var(--ksi-bg); font-weight: 800; }
.ksi-done p { margin: 2px 0 0; color: #C3CDD8; }

/* Footer */
.ksi-foot { border-top: 1px solid var(--ksi-line); padding: 60px 0 30px; overflow: hidden; }
.ksi-foot__word { font-family: var(--ksi-head); font-weight: 800; font-size: clamp(3rem, 12vw, 11rem); letter-spacing: -0.05em; line-height: .9; margin: 0 0 40px; color: transparent; -webkit-text-stroke: 1px rgba(91,127,166,.45); white-space: nowrap; }
.ksi-foot__word span { color: var(--ksi-mint); -webkit-text-stroke: 0; }
.ksi-foot__cols { display: grid; gap: 24px; }
.ksi-foot__brand { font-family: var(--ksi-head); font-weight: 700; font-size: 1.2rem; margin-bottom: 4px; }
.ksi-foot address { font-style: normal; color: #C3CDD8; }
.ksi-foot address a { color: var(--ksi-text); }
.ksi-foot__links { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.ksi-foot__links a { color: var(--ksi-text); text-decoration: none; }
.ksi-foot__links a:hover { color: var(--ksi-mint); }
.ksi-foot__copy { margin: 36px 0 0; padding-top: 20px; border-top: 1px solid var(--ksi-line); font-size: .85rem; color: var(--ksi-dim); }

/* Cookies */
.ksi-cookies { position: fixed; z-index: 90; right: 16px; bottom: 16px; left: 16px; max-width: 440px; margin-left: auto; padding: 20px; display: grid; gap: 14px; font-size: .92rem; background: rgba(23, 29, 37, 0.92); }
.ksi-cookies[hidden] { display: none; }
.ksi-cookies p { margin: 0; color: #C3CDD8; }
.ksi-cookies__btns { display: flex; gap: 10px; }
.ksi-cookies__btns .ksi-btn { flex: 1; }

/* Reveal */
.js .ksi-rise { opacity: 0; transform: translateY(28px) scale(.985); transition: opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1); }
.js .ksi-rise.is-in { opacity: 1; transform: none; }

/* ---------- Breakpoints ---------- */
@media (min-width: 560px) {
  .ksi-form__grid { grid-template-columns: 1fr 1fr; }
  .ksi-in--full { grid-column: 1 / -1; }
  .ksi-reason { grid-template-columns: 150px 1fr; }
}
@media (min-width: 768px) {
  .ksi-stats { grid-template-columns: repeat(4, 1fr); }
  .ksi-bento { grid-template-columns: repeat(2, 1fr); }
  .ksi-reasons { grid-template-columns: repeat(2, 1fr); }
  .ksi-quotes { grid-template-columns: repeat(3, 1fr); }
  .ksi-split-head { grid-template-columns: 1.3fr 1fr; }
  .ksi-foot__cols { grid-template-columns: 1.2fr 1.4fr 1fr; }
}
@media (min-width: 1024px) {
  .ksi-hero__grid { grid-template-columns: 1.5fr 0.8fr; gap: 56px; }
  .ksi-hero__panel { max-height: 76vh; margin-top: 40px; }
  .ksi-about { grid-template-columns: 1fr 1.2fr; column-gap: 72px; }
  .ksi-about__head { grid-row: 1; }
  .ksi-stats { grid-column: 1 / -1; }
  .ksi-bento { grid-template-columns: repeat(3, 1fr); }
  .ksi-tile--wide { grid-column: span 2; }
  .ksi-tile--wide:last-child { grid-column: 1 / -1; }
  .ksi-tile--wide h3 { font-size: 1.7rem; }
  .ksi-contact { grid-template-columns: 0.9fr 1.2fr; gap: 72px; align-items: start; }
  .ksi-contact__side { position: sticky; top: 110px; }
}
@media (min-width: 1440px) {
  :root { --ksi-max: 1400px; }
  .ksi-reason { grid-template-columns: 180px 1fr; }
}

/* Mobile menu */
@media (max-width: 919px) {
  .ksi-toggle {
    display: grid; place-content: center; gap: 6px; width: 46px; height: 46px; border-radius: 50%;
    background: rgba(255,255,255,.06); border: 1px solid var(--ksi-glass-brd); cursor: pointer;
  }
  .ksi-toggle span { display: block; width: 18px; height: 2px; background: var(--ksi-text); border-radius: 2px; transition: transform .25s; }
  .ksi-toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
  .ksi-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }
  .ksi-menu {
    position: absolute; top: calc(100% + 8px); left: clamp(10px, 2vw, 24px); right: clamp(10px, 2vw, 24px);
    flex-direction: column; align-items: stretch; gap: 2px; padding: 12px; border-radius: 22px;
    background: rgba(18, 22, 28, 0.97); border: 1px solid var(--ksi-glass-brd);
    opacity: 0; visibility: hidden; transform: translateY(-8px); transition: opacity .25s, transform .25s, visibility .25s;
  }
  .ksi-menu.is-open { opacity: 1; visibility: visible; transform: none; }
  .ksi-menu a { padding: 14px 16px; font-size: 1.05rem; }
  .ksi-menu .ksi-menu__cta { margin: 6px 0 0; text-align: center; }
  .ksi-hero__panel { max-width: 440px; width: 100%; justify-self: center; }
}
@media (max-width: 400px) {
  .ksi-brand__name { font-size: 1rem; }
  .ksi-hero__cta .ksi-btn { width: 100%; }
  .ksi-info li { grid-template-columns: 1fr; gap: 2px; }
  .ksi-reason { grid-template-columns: 90px 1fr; gap: 14px; }
}

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