/* ===========================================================
   NAYATEK — Charte graphique (thème clair)
   Bleu marine #0A1F44 · Bleu tech #0077FF · Cyan #00C8FF
   Violet IA #7B3FF2 · Gris neutre #6B7280
   Typos : Montserrat (titres) · Inter (texte)
   =========================================================== */

:root {
  --navy:        #0A1F44;
  --blue:        #0077FF;
  --cyan:        #00C8FF;
  --violet:      #7B3FF2;
  --gray:        #6B7280;

  --bg:          #FFFFFF;
  --bg-soft:     #F3F7FF;   /* sections alternées */
  --surface:     #FFFFFF;
  --border:      #E3EAF5;
  --border-soft: #EDF1F8;

  --text:        #0A1F44;   /* titres */
  --text-body:   #46566F;   /* paragraphes */
  --text-soft:   #5B6B85;
  --text-dim:    #8A98B0;

  --grad:        linear-gradient(120deg, var(--blue) 0%, var(--cyan) 50%, var(--violet) 100%);
  --grad-soft:   linear-gradient(135deg, rgba(0,119,255,.10), rgba(0,200,255,.08), rgba(123,63,242,.10));

  --radius:      18px;
  --radius-sm:   12px;
  --maxw:        1180px;

  --shadow-sm:   0 6px 18px -10px rgba(10,31,68,.20);
  --shadow:      0 18px 40px -18px rgba(10,31,68,.22);
  --shadow-lg:   0 30px 60px -24px rgba(10,31,68,.28);
  --shadow-blue: 0 14px 34px -12px rgba(0,119,255,.45);

  --font-head: "Montserrat", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, sans-serif;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
::selection { background: rgba(0,119,255,.18); color: var(--navy); }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.grad-text {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

.skip-link {
  position: absolute; left: -999px; top: 8px; z-index: 200;
  background: var(--blue); color: #fff; padding: 10px 16px; border-radius: 8px;
}
.skip-link:focus { left: 8px; }

/* ---------- Background decoration ---------- */
.bg-decor { position: fixed; inset: 0; z-index: -1; overflow: hidden; }
.bg-grid {
  position: absolute; inset: -2px;
  background-image:
    linear-gradient(to right, rgba(10,31,68,.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(10,31,68,.045) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 75% 55% at 50% 0%, #000 0%, transparent 72%);
  -webkit-mask-image: radial-gradient(ellipse 75% 55% at 50% 0%, #000 0%, transparent 72%);
}
.bg-glow { position: absolute; border-radius: 50%; filter: blur(100px); opacity: .5; }
.bg-glow--1 { width: 520px; height: 520px; top: -180px; left: -120px; background: radial-gradient(circle, rgba(0,119,255,.28), transparent 65%); }
.bg-glow--2 { width: 560px; height: 560px; top: -60px; right: -180px; background: radial-gradient(circle, rgba(123,63,242,.20), transparent 65%); }
.bg-glow--3 { width: 640px; height: 640px; top: 36%; left: 40%; background: radial-gradient(circle, rgba(0,200,255,.16), transparent 65%); }

/* ---------- Header ---------- */
.header {
  position: sticky; top: 0; z-index: 100;
  transition: background .3s ease, border-color .3s ease, box-shadow .3s ease;
  border-bottom: 1px solid transparent;
}
.header.is-scrolled {
  background: rgba(255,255,255,.82);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}
.header__inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }

.brand { display: flex; align-items: center; gap: 12px; }
.brand__logo { height: 54px; width: auto; display: block; }
.footer .brand__logo { height: 52px; }
.brand__text { display: flex; flex-direction: column; line-height: 1; }
.brand__name { font-family: var(--font-head); font-weight: 700; font-size: 1.18rem; letter-spacing: .18em; color: var(--navy); }
.brand__accent { color: inherit; }
.brand__tag { font-family: var(--font-head); font-weight: 600; font-size: .56rem; letter-spacing: .32em; color: var(--blue); margin-top: 4px; }

.nav { display: flex; align-items: center; gap: 6px; }
.nav__link {
  font-weight: 500; font-size: .95rem; color: var(--text-soft);
  padding: 9px 14px; border-radius: 10px; transition: color .2s, background .2s;
}
.nav__link:hover { color: var(--navy); background: var(--bg-soft); }
.nav__link.is-active { color: var(--blue); }
.nav__link--cta {
  margin-left: 8px; color: #fff; background: var(--grad);
  font-weight: 600; box-shadow: var(--shadow-blue);
}
.nav__link--cta:hover { background: var(--grad); filter: brightness(1.06); color: #fff; }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px; width: 44px; height: 44px;
  align-items: center; justify-content: center; background: var(--bg-soft);
  border: 1px solid var(--border); border-radius: 10px; cursor: pointer;
}
.nav-toggle span { width: 20px; height: 2px; background: var(--navy); border-radius: 2px; transition: .3s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 9px; justify-content: center;
  font-family: var(--font-body); font-weight: 600; font-size: .98rem;
  padding: 14px 26px; border-radius: 12px; border: 1px solid transparent;
  cursor: pointer; transition: transform .2s, box-shadow .25s, background .25s, border-color .25s;
  white-space: nowrap;
}
.btn svg { transition: transform .25s; }
.btn--primary { background: var(--grad); color: #fff; box-shadow: var(--shadow-blue); }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 20px 42px -12px rgba(0,119,255,.6); }
.btn--primary:hover svg { transform: translateX(4px); }
.btn--ghost { background: #fff; color: var(--navy); border-color: var(--border); box-shadow: var(--shadow-sm); }
.btn--ghost:hover { border-color: rgba(0,119,255,.45); color: var(--blue); transform: translateY(-2px); }
.btn--sm { padding: 11px 20px; font-size: .92rem; }
.btn--block { width: 100%; }

/* ---------- Eyebrow / kicker ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: .85rem; font-weight: 600; letter-spacing: .03em;
  color: var(--text-soft); background: #fff;
  border: 1px solid var(--border); padding: 8px 16px; border-radius: 999px; box-shadow: var(--shadow-sm);
}
.eyebrow__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 4px rgba(0,200,255,.18); animation: pulse 2.4s ease-in-out infinite; }
@keyframes pulse { 0%,100% { box-shadow: 0 0 0 3px rgba(0,200,255,.22); } 50% { box-shadow: 0 0 0 7px rgba(0,200,255,.06); } }

.section__kicker {
  display: inline-block; font-family: var(--font-head); font-weight: 700;
  font-size: .82rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--blue); margin-bottom: 14px;
}

/* ---------- Hero ---------- */
.hero { padding: 72px 0 88px; position: relative; }
.hero__inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.hero__title {
  font-family: var(--font-head); font-weight: 800; line-height: 1.1; color: var(--navy);
  font-size: clamp(2.1rem, 4.6vw, 3.5rem); letter-spacing: -.02em; margin: 22px 0 20px;
}
.hero__lead { color: var(--text-body); font-size: 1.12rem; max-width: 560px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 32px 0 28px; }
.hero__pills { display: flex; flex-wrap: wrap; gap: 10px; }
.hero__pills li {
  font-size: .86rem; font-weight: 600; color: var(--text-soft);
  padding: 7px 14px; border-radius: 999px;
  border: 1px solid var(--border); background: #fff; box-shadow: var(--shadow-sm);
}

/* Hero visual / orbit */
.hero__visual { display: flex; align-items: center; justify-content: center; }
.orbit { position: relative; width: 380px; height: 380px; max-width: 100%; }
.orbit__core {
  position: absolute; inset: 0; margin: auto; width: 158px; height: 158px;
  display: grid; place-items: center; border-radius: 34px; padding: 22px;
  background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow-lg);
}
.orbit__core img { width: 114px; height: auto; display: block; }
.orbit__ring { position: absolute; inset: 0; margin: auto; border-radius: 50%; border: 1px solid var(--border); }
.orbit__ring--1 { width: 200px; height: 200px; }
.orbit__ring--2 { width: 290px; height: 290px; border-color: rgba(0,119,255,.18); border-style: dashed; }
.orbit__ring--3 { width: 380px; height: 380px; border-color: rgba(123,63,242,.16); }
.orbit__ring--2 { animation: spin 30s linear infinite; }
.orbit__ring--3 { animation: spin 46s linear infinite reverse; }
@keyframes spin { to { transform: rotate(360deg); } }

.chip {
  position: absolute; font-size: .82rem; font-weight: 600; color: var(--navy);
  background: #fff; border: 1px solid var(--border);
  padding: 8px 13px; border-radius: 12px;
  box-shadow: var(--shadow); animation: float 6s ease-in-out infinite;
}
.chip--1 { top: 6%;  left: 2%;  border-color: rgba(0,200,255,.5); }
.chip--2 { top: 16%; right: -4%; animation-delay: -1.5s; border-color: rgba(123,63,242,.5); }
.chip--3 { bottom: 14%; left: -4%; animation-delay: -3s; border-color: rgba(0,119,255,.5); }
.chip--4 { bottom: 4%; right: 4%; animation-delay: -4.5s; border-color: rgba(0,200,255,.5); }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

/* ---------- Strip / stats ---------- */
.strip { border-block: 1px solid var(--border); background: var(--bg-soft); }
.strip__inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding: 42px 24px; }
.stat { text-align: center; }
.stat__num { display: block; font-family: var(--font-head); font-weight: 800; font-size: clamp(1.9rem, 3.4vw, 2.8rem); line-height: 1; }
.stat__label { display: block; color: var(--text-soft); font-size: .9rem; margin-top: 8px; }
.stat:nth-child(1) .stat__num { color: var(--blue); }
.stat:nth-child(2) .stat__num { color: var(--cyan); }
.stat:nth-child(3) .stat__num { color: var(--violet); }
.stat:nth-child(4) .stat__num { color: var(--navy); }

/* ---------- Sections ---------- */
.section { padding: 96px 0; position: relative; }
.section--alt { background: var(--bg-soft); border-block: 1px solid var(--border); }
.section__head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.section__title { font-family: var(--font-head); font-weight: 800; font-size: clamp(1.7rem, 3.4vw, 2.6rem); line-height: 1.15; letter-spacing: -.02em; color: var(--navy); }
.section__sub { color: var(--text-body); font-size: 1.06rem; margin-top: 16px; }

/* ---------- Grids & cards ---------- */
.grid { display: grid; gap: 22px; }
.grid--services { grid-template-columns: repeat(3, 1fr); }

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 30px; position: relative; overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .3s, border-color .3s, box-shadow .3s;
}
.card::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: var(--grad); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; opacity: 0; transition: opacity .3s;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.card:hover::before { opacity: 1; }
.card__icon {
  width: 54px; height: 54px; border-radius: 14px; display: grid; place-items: center;
  background: var(--grad-soft); border: 1px solid var(--border); margin-bottom: 20px; color: var(--blue);
}
.card__icon svg { width: 26px; height: 26px; }
.card__title { font-family: var(--font-head); font-weight: 700; font-size: 1.22rem; margin-bottom: 10px; color: var(--navy); }
.card__text { color: var(--text-body); font-size: .98rem; }
.card__list { margin-top: 18px; display: flex; flex-direction: column; gap: 8px; }
.card__list li { position: relative; padding-left: 24px; font-size: .92rem; color: var(--text-soft); }
.card__list li::before { content: "›"; position: absolute; left: 6px; top: -1px; color: var(--blue); font-weight: 700; }
.card--cta { background: var(--grad-soft); display: flex; flex-direction: column; justify-content: center; align-items: flex-start; gap: 6px; border-color: rgba(0,119,255,.25); }
.card--cta .card__title, .card--cta .card__text { color: var(--navy); }
.card--cta .btn { margin-top: 14px; }

/* ---------- Steps / approche ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.step {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px 26px; position: relative; box-shadow: var(--shadow-sm);
  transition: transform .3s, border-color .3s, box-shadow .3s;
}
.step:hover { transform: translateY(-6px); border-color: rgba(0,119,255,.35); box-shadow: var(--shadow); }
.step__num {
  font-family: var(--font-head); font-weight: 800; font-size: 2.4rem;
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; display: block; margin-bottom: 12px;
}
.step__title { font-family: var(--font-head); font-weight: 700; font-size: 1.14rem; margin-bottom: 8px; color: var(--navy); }
.step__text { color: var(--text-body); font-size: .94rem; }

/* ---------- Expertise ---------- */
.expertise__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.expertise__intro .btn { margin-top: 26px; }
.features { display: grid; gap: 16px; }
.feature {
  display: flex; gap: 18px; padding: 22px; border-radius: var(--radius-sm);
  background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow-sm);
  transition: transform .3s, border-color .3s, box-shadow .3s;
}
.feature:hover { transform: translateY(-3px); border-color: rgba(0,119,255,.3); box-shadow: var(--shadow); }
.feature__icon {
  flex: none; width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  background: var(--grad-soft); border: 1px solid var(--border); color: var(--blue);
}
.feature__icon svg { width: 22px; height: 22px; }
.feature__title { font-family: var(--font-head); font-weight: 700; font-size: 1.05rem; margin-bottom: 4px; color: var(--navy); }
.feature__text { color: var(--text-body); font-size: .94rem; }

/* ---------- About ---------- */
.about { display: grid; grid-template-columns: .85fr 1.15fr; gap: 56px; align-items: center; }
.about__content p { color: var(--text-body); margin-top: 14px; }
.about__content .section__title { margin-bottom: 6px; }
.about__tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.about__tags span {
  font-size: .85rem; font-weight: 600; color: var(--navy);
  padding: 7px 15px; border-radius: 999px; background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow-sm);
}
.about__card {
  position: relative; padding: 38px 32px; border-radius: 22px;
  background: linear-gradient(150deg, #fff, var(--bg-soft));
  border: 1px solid var(--border); box-shadow: var(--shadow);
}
.about__card::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: var(--grad); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; opacity: .5;
}
.about__card img { margin-bottom: 18px; }
.about__quote { font-family: var(--font-head); font-weight: 600; font-size: 1.25rem; line-height: 1.5; color: var(--navy); }
.about__sign { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--border); }
.about__sign strong { display: block; font-family: var(--font-head); color: var(--navy); }
.about__sign span { color: var(--text-soft); font-size: .92rem; }

/* ---------- Contact ---------- */
.contact {
  display: grid; grid-template-columns: .9fr 1.1fr; gap: 0;
  border: 1px solid var(--border); border-radius: 24px; overflow: hidden;
  background: #fff; box-shadow: var(--shadow);
}
.contact__intro { padding: 48px; background: linear-gradient(155deg, var(--navy), #123164); color: #fff; }
.contact__intro .section__kicker { color: var(--cyan); }
.contact__intro .section__title { color: #fff; }
.contact__intro .section__sub { color: #C7D4EA; margin-bottom: 30px; }
.contact__info { display: flex; flex-direction: column; gap: 16px; }
.contact__info li { display: flex; align-items: center; gap: 14px; color: #D4DEEF; }
.contact__info a:hover { color: var(--cyan); }
.contact__ic {
  flex: none; width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center;
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.18); color: var(--cyan); font-size: .9rem; font-weight: 700;
}
.contact__form { padding: 48px; display: flex; flex-direction: column; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field--row { flex-direction: row; gap: 16px; }
.field--row .field { flex: 1; }
.field label { font-size: .88rem; font-weight: 600; color: var(--text); }
.field input, .field select, .field textarea {
  font-family: var(--font-body); font-size: .96rem; color: var(--navy);
  background: var(--bg-soft); border: 1px solid var(--border); border-radius: 11px;
  padding: 13px 15px; transition: border-color .2s, box-shadow .2s, background .2s; width: 100%;
}
.field textarea { resize: vertical; }
.field select { appearance: none; cursor: pointer; }
.field input::placeholder, .field textarea::placeholder { color: var(--text-dim); }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--blue); background: #fff; box-shadow: 0 0 0 3px rgba(0,119,255,.14);
}
.form-note { font-size: .88rem; color: var(--blue); min-height: 1em; text-align: center; }
.form-note.is-error { color: #e0245e; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; pointer-events: none; }

/* ---------- Footer (bleu marine, ancrage) ---------- */
.footer { background: var(--navy); color: #C7D4EA; padding-top: 64px; }
.footer .brand__name { color: #fff; }
.footer .brand__accent { color: inherit; }
.footer .brand__tag { color: var(--cyan); }
.footer__inner { display: grid; grid-template-columns: 1.3fr 2fr; gap: 48px; padding-bottom: 48px; }
.footer__tag { color: #95A6C4; margin-top: 16px; max-width: 320px; font-size: .95rem; }
.footer__nav { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.footer__nav h4 { font-family: var(--font-head); font-size: .92rem; margin-bottom: 14px; color: #fff; }
.footer__nav a { display: block; color: #95A6C4; font-size: .92rem; padding: 5px 0; transition: color .2s; }
.footer__nav a:hover { color: var(--cyan); }
.footer__bottom {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding: 22px 24px; border-top: 1px solid rgba(255,255,255,.1); color: #8294B4; font-size: .88rem;
}
.footer__legal { display: flex; gap: 18px; flex-wrap: wrap; }
.footer__legal a { color: #95A6C4; transition: color .2s; }
.footer__legal a:hover { color: var(--cyan); }

/* ---------- Bandeau cookies ---------- */
.cookie-banner {
  position: fixed; inset: 0; z-index: 300;
  display: flex; align-items: center; justify-content: center; padding: 24px;
  background: rgba(7, 18, 40, .55);
  backdrop-filter: blur(3px); -webkit-backdrop-filter: blur(3px);
  opacity: 0; visibility: hidden; transition: opacity .35s ease, visibility .35s ease;
}
.cookie-banner.is-visible { opacity: 1; visibility: visible; }
.cookie-banner__inner {
  width: 100%; max-width: 460px; margin: 0; padding: 34px 32px; text-align: center;
  background: #fff; border: 1px solid var(--border); border-radius: 22px; box-shadow: var(--shadow-lg);
  transform: translateY(14px) scale(.97); transition: transform .35s cubic-bezier(.16,1,.3,1);
}
.cookie-banner.is-visible .cookie-banner__inner { transform: none; }
.cookie-banner__text { font-size: .95rem; color: var(--text-body); max-width: none; margin: 0 0 24px; }
.cookie-banner__text a { color: var(--blue); font-weight: 600; }
.cookie-banner__actions { display: flex; gap: 12px; justify-content: center; }
@media (max-width: 480px) {
  .cookie-banner__actions { flex-direction: column-reverse; }
  .cookie-banner__actions .btn { width: 100%; }
}

/* ---------- Pages légales ---------- */
.legal { padding: 56px 0 84px; }
.legal__container { max-width: 820px; }
.legal__back { display: inline-flex; align-items: center; gap: 7px; color: var(--blue); font-weight: 600; margin-bottom: 22px; }
.legal__back:hover { gap: 11px; }
.legal h1 { font-family: var(--font-head); font-weight: 800; font-size: clamp(1.8rem, 3.6vw, 2.6rem); color: var(--navy); letter-spacing: -.02em; }
.legal__updated { color: var(--text-dim); font-size: .9rem; margin: 8px 0 36px; }
.legal h2 { font-family: var(--font-head); font-weight: 700; font-size: 1.3rem; color: var(--navy); margin: 34px 0 10px; }
.legal h3 { font-family: var(--font-head); font-weight: 600; font-size: 1.04rem; color: var(--navy); margin: 18px 0 6px; }
.legal p { color: var(--text-body); margin-bottom: 12px; }
.legal ul { margin: 8px 0 14px 22px; list-style: disc; }
.legal li { color: var(--text-body); margin-bottom: 7px; }
.legal a { color: var(--blue); font-weight: 600; }
.legal__note { background: var(--bg-soft); border: 1px solid var(--border); border-left: 3px solid var(--blue); border-radius: 10px; padding: 14px 18px; font-size: .92rem; color: var(--text-soft); margin: 14px 0; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s cubic-bezier(.16,1,.3,1), transform .7s cubic-bezier(.16,1,.3,1); }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero__inner { grid-template-columns: 1fr; gap: 40px; }
  .hero__visual { order: -1; }
  .orbit { width: 320px; height: 320px; }
  .grid--services { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .expertise__grid, .about { grid-template-columns: 1fr; gap: 36px; }
  .contact { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 900px) {
  .nav {
    position: fixed; inset: 76px 0 auto; flex-direction: column; align-items: stretch;
    gap: 4px; padding: 18px 24px 26px; background: rgba(255,255,255,.98);
    backdrop-filter: blur(14px); border-bottom: 1px solid var(--border); box-shadow: var(--shadow);
    transform: translateY(-130%); transition: transform .35s cubic-bezier(.16,1,.3,1); visibility: hidden;
  }
  .nav.is-open { transform: none; visibility: visible; }
  .nav__link { padding: 13px 14px; }
  .nav__link--cta { margin: 6px 0 0; text-align: center; }
  .nav-toggle { display: flex; }

  .strip__inner { grid-template-columns: repeat(2, 1fr); gap: 28px 16px; }
  .grid--services { grid-template-columns: 1fr; }
  .section { padding: 72px 0; }
  .contact__intro, .contact__form { padding: 32px 26px; }
  .field--row { flex-direction: column; }
  .footer__nav { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 420px) {
  .strip__inner { grid-template-columns: 1fr; }
  .container { padding: 0 18px; }
}

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