/* =========================================================
   Arctic Air Solutions — Stylesheet
   Modern, responsive, accessible AC company website
   ========================================================= */

/* ---------- Design tokens ---------- */
:root {
  --blue-50: #eaf3ff;
  --blue-100: #d4e6ff;
  --blue-200: #a8ccff;
  --blue-400: #4a93ff;
  --blue-500: #0a6cff;
  --blue-600: #0a57d0;
  --blue-700: #0a48a8;
  --ink-900: #0b1b33;
  --ink-700: #243b5c;
  --ink-500: #4a5b75;
  --ink-300: #7d8ba3;
  --line: #e4e9f1;
  --bg: #ffffff;
  --bg-alt: #f5f8fd;
  --white: #ffffff;
  --accent: #19c2c2;
  --warn: #ff7a45;

  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 8px rgba(11, 27, 51, .06);
  --shadow: 0 12px 32px rgba(11, 27, 51, .10);
  --shadow-lg: 0 24px 60px rgba(10, 87, 208, .18);

  --container: 1180px;
  --header-h: 72px;

  --font-body: "Manrope", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --font-head: "Plus Jakarta Sans", var(--font-body);

  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  color: var(--ink-700);
  background: var(--bg);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; font-size: 1rem; }

h1, h2, h3, h4 { font-family: var(--font-head); color: var(--ink-900); line-height: 1.15; font-weight: 800; }

:focus-visible { outline: 3px solid var(--blue-400); outline-offset: 2px; border-radius: 4px; }

/* ---------- Layout helpers ---------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 20px; }

.section { padding: clamp(56px, 8vw, 110px) 0; }
.section--alt { background: var(--bg-alt); }

.section__head { max-width: 680px; margin: 0 auto clamp(36px, 5vw, 60px); text-align: center; }
.section__head--left { margin-inline: 0; text-align: left; }
.section__title { font-size: clamp(1.7rem, 3.4vw, 2.6rem); letter-spacing: -.02em; }
.section__lead { margin-top: 14px; color: var(--ink-500); font-size: clamp(1rem, 1.4vw, 1.12rem); }

.eyebrow {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .8rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--blue-500);
  background: var(--blue-50);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .98rem;
  padding: 12px 22px;
  border-radius: 100px;
  transition: transform .2s var(--ease), box-shadow .25s var(--ease), background .2s, color .2s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn--primary { background: var(--blue-500); color: #fff; box-shadow: 0 8px 22px rgba(10, 108, 255, .32); }
.btn--primary:hover { background: var(--blue-600); box-shadow: 0 12px 28px rgba(10, 108, 255, .4); }
.btn--ghost { background: var(--white); color: var(--ink-900); border: 1.5px solid var(--line); }
.btn--ghost:hover { border-color: var(--blue-400); color: var(--blue-600); }
.btn--light { background: #fff; color: var(--blue-600); }
.btn--outline-light { border: 1.5px solid rgba(255,255,255,.6); color: #fff; }
.btn--outline-light:hover { background: rgba(255,255,255,.12); }
.btn--lg { padding: 15px 30px; font-size: 1.05rem; }
.btn--block { width: 100%; }

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute; left: 50%; top: -60px; transform: translateX(-50%);
  background: var(--blue-500); color: #fff; padding: 10px 18px; border-radius: 0 0 10px 10px;
  z-index: 200; transition: top .2s;
}
.skip-link:focus { top: 0; }

/* ---------- Top bar ---------- */
.topbar { background: var(--ink-900); color: #c9d6ea; font-size: .86rem; }
.topbar__inner { display: flex; align-items: center; justify-content: space-between; min-height: 40px; gap: 16px; }
.topbar__left { display: flex; gap: 22px; }
.topbar__item { display: inline-flex; align-items: center; gap: 7px; transition: color .2s; }
.topbar__item:hover { color: #fff; }
.topbar__item svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.topbar__badge { color: #fff; font-weight: 600; }
.topbar__right { display: flex; align-items: center; gap: 16px; }

/* Language switcher */
.lang-switch { display: inline-flex; background: rgba(255,255,255,.1); border-radius: 100px; padding: 2px; gap: 2px; }
.lang-switch__btn {
  font-family: var(--font-head); font-weight: 700; font-size: .76rem; letter-spacing: .03em;
  color: #c9d6ea; padding: 4px 11px; border-radius: 100px; transition: background .2s, color .2s;
}
.lang-switch__btn:hover { color: #fff; }
.lang-switch__btn.is-active { background: var(--blue-500); color: #fff; }

/* ---------- Header ---------- */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.86);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: box-shadow .3s, border-color .3s, background .3s;
}
.header.is-scrolled { box-shadow: var(--shadow-sm); border-color: var(--line); }
.header__inner { display: flex; align-items: center; justify-content: space-between; min-height: var(--header-h); gap: 20px; }

.brand { display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-head); font-weight: 800; font-size: 1.3rem; color: var(--ink-900); }
.brand__mark {
  display: grid; place-items: center; width: 38px; height: 38px; border-radius: 11px;
  background: linear-gradient(135deg, var(--blue-500), var(--accent)); color: #fff; font-size: 1.1rem;
  box-shadow: 0 6px 16px rgba(10,108,255,.35);
}
.brand__name span { color: var(--blue-500); }
.brand--light { color: #fff; }
.brand--light .brand__name span { color: var(--blue-200); }

/* Nav */
.nav { display: flex; align-items: center; gap: 28px; }
.nav__list { display: flex; align-items: center; gap: 4px; }
.nav__link {
  position: relative; font-family: var(--font-head); font-weight: 600; font-size: .98rem;
  color: var(--ink-700); padding: 8px 12px; border-radius: 8px; transition: color .2s;
}
.nav__link::after {
  content: ""; position: absolute; left: 12px; right: 12px; bottom: 4px; height: 2px;
  background: var(--blue-500); transform: scaleX(0); transform-origin: left; transition: transform .25s var(--ease);
}
.nav__link:hover { color: var(--blue-600); }
.nav__link:hover::after, .nav__link.is-active::after { transform: scaleX(1); }
.nav__link.is-active { color: var(--blue-600); }

.nav-toggle { display: none; width: 44px; height: 44px; flex-direction: column; gap: 5px; align-items: center; justify-content: center; }
.nav-toggle span { width: 24px; height: 2.5px; background: var(--ink-900); border-radius: 2px; transition: transform .3s var(--ease), opacity .2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { position: relative; padding: clamp(48px, 7vw, 96px) 0 clamp(56px, 7vw, 100px); overflow: hidden; }
.hero__bg {
  position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(900px 500px at 85% -10%, rgba(25,194,194,.14), transparent 60%),
    radial-gradient(900px 600px at 5% 0%, rgba(10,108,255,.12), transparent 55%),
    linear-gradient(180deg, var(--blue-50), #fff 70%);
}
.hero__inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(32px, 5vw, 64px); align-items: center; }
.hero__title { font-size: clamp(2.2rem, 5.2vw, 3.7rem); letter-spacing: -.03em; }
.hero__title span { color: var(--blue-500); display: inline-block; }
.hero__lead { margin-top: 20px; font-size: clamp(1.05rem, 1.6vw, 1.22rem); color: var(--ink-500); max-width: 540px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.hero__trust { display: flex; flex-wrap: wrap; gap: 28px; margin-top: 38px; padding-top: 26px; border-top: 1px solid var(--line); }
.hero__trust li { font-size: .9rem; color: var(--ink-500); }
.hero__trust strong { display: block; font-family: var(--font-head); font-size: 1.6rem; color: var(--ink-900); }

/* Quote card */
.hero__card { display: flex; justify-content: center; }
.quote-card {
  width: 100%; max-width: 420px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: clamp(24px, 3vw, 34px); box-shadow: var(--shadow-lg);
}
.quote-card__title { font-size: 1.4rem; }
.quote-card__sub { color: var(--ink-500); font-size: .95rem; margin-top: 6px; margin-bottom: 22px; }
.quote-form__note { text-align: center; font-size: .82rem; color: var(--ink-300); margin-top: 14px; }

/* Fields */
.field { margin-bottom: 16px; }
.field label { display: block; font-weight: 600; font-size: .88rem; color: var(--ink-700); margin-bottom: 7px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: var(--radius-sm);
  background: var(--bg-alt); color: var(--ink-900); transition: border-color .2s, box-shadow .2s, background .2s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--blue-400); background: #fff; box-shadow: 0 0 0 4px rgba(10,108,255,.12);
}
.field textarea { resize: vertical; min-height: 110px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field input.invalid, .field select.invalid { border-color: var(--warn); box-shadow: 0 0 0 4px rgba(255,122,69,.12); }

/* ---------- Trust strip ---------- */
.strip { border-block: 1px solid var(--line); background: #fff; }
.strip__inner { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px 36px; padding: 20px 0; }
.strip__item { font-family: var(--font-head); font-weight: 700; font-size: .92rem; color: var(--ink-500); }

/* ---------- Cards / grid ---------- */
.grid { display: grid; gap: 24px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px; transition: transform .3s var(--ease), box-shadow .3s, border-color .3s;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--blue-200); }
.card__link { display: inline-block; margin-top: 16px; font-family: var(--font-head); font-weight: 700; font-size: .92rem; color: var(--blue-500); transition: gap .2s; }
.card__link:hover { color: var(--blue-700); }

/* Service card */
.service__icon {
  width: 56px; height: 56px; border-radius: 14px; display: grid; place-items: center; margin-bottom: 20px;
  background: linear-gradient(135deg, var(--blue-50), #fff); border: 1px solid var(--blue-100);
}
.service__icon svg { width: 28px; height: 28px; fill: none; stroke: var(--blue-500); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.service h3 { font-size: 1.25rem; margin-bottom: 8px; }
.service p { color: var(--ink-500); font-size: .98rem; }

/* ---------- Why ---------- */
.why__inner { display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(32px, 5vw, 70px); align-items: center; }
.why__imgcard {
  position: relative; border-radius: var(--radius-lg); min-height: 380px;
  background:
    radial-gradient(400px 300px at 70% 20%, rgba(255,255,255,.5), transparent),
    linear-gradient(150deg, var(--blue-500), var(--blue-700) 60%, var(--accent));
  display: grid; place-items: center; box-shadow: var(--shadow-lg); overflow: hidden;
}
.why__imgcard-emoji { font-size: 7rem; filter: drop-shadow(0 8px 16px rgba(0,0,0,.2)); }
.why__stat {
  position: absolute; left: 22px; bottom: 22px; right: 22px; background: rgba(255,255,255,.96);
  border-radius: var(--radius); padding: 18px 20px; display: flex; align-items: center; gap: 16px; box-shadow: var(--shadow);
}
.why__stat strong { font-family: var(--font-head); font-size: 2.4rem; color: var(--blue-500); line-height: 1; }
.why__stat span { font-size: .92rem; color: var(--ink-500); }

.feature-list { display: grid; gap: 20px; margin-top: 30px; }
.feature-list li { display: flex; gap: 16px; }
.feature-list__icon {
  flex: 0 0 auto; width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center;
  background: var(--blue-500); color: #fff; font-weight: 800; font-size: .9rem;
}
.feature-list h4 { font-size: 1.08rem; margin-bottom: 3px; }
.feature-list p { color: var(--ink-500); font-size: .96rem; }

/* ---------- Process steps ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
.step { position: relative; padding: 30px 24px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); text-align: center; transition: transform .3s var(--ease), box-shadow .3s; }
.step:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.step__num {
  width: 54px; height: 54px; margin: 0 auto 18px; border-radius: 50%; display: grid; place-items: center;
  font-family: var(--font-head); font-weight: 800; font-size: 1.3rem; color: #fff;
  background: linear-gradient(135deg, var(--blue-500), var(--accent)); box-shadow: 0 8px 18px rgba(10,108,255,.3);
}
.step h3 { font-size: 1.12rem; margin-bottom: 6px; }
.step p { color: var(--ink-500); font-size: .94rem; }

/* ---------- Stats banner ---------- */
.banner { background: linear-gradient(135deg, var(--blue-600), var(--blue-700)); color: #fff; padding: clamp(40px, 5vw, 64px) 0; }
.banner__inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.banner__stat strong { font-family: var(--font-head); font-size: clamp(2rem, 4vw, 3rem); display: block; line-height: 1; }
.banner__stat span { font-size: .95rem; opacity: .85; margin-top: 6px; display: block; }

/* ---------- Pricing ---------- */
.plan { display: flex; flex-direction: column; position: relative; }
.plan--featured { border-color: var(--blue-500); box-shadow: var(--shadow); }
.plan--featured::before { content: ""; position: absolute; inset: -1px; border-radius: var(--radius); padding: 1px; background: linear-gradient(135deg, var(--blue-500), var(--accent)); -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0); -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none; }
.plan__badge { position: absolute; top: -13px; left: 50%; transform: translateX(-50%); background: var(--blue-500); color: #fff; font-family: var(--font-head); font-weight: 700; font-size: .75rem; letter-spacing: .04em; padding: 5px 16px; border-radius: 100px; box-shadow: 0 6px 14px rgba(10,108,255,.35); }
.plan__name { font-size: 1.3rem; }
.plan__price { font-family: var(--font-head); font-weight: 800; font-size: 3rem; color: var(--ink-900); margin: 10px 0 4px; line-height: 1; }
.plan__price span { font-size: 1.4rem; vertical-align: super; color: var(--ink-500); }
.plan__price small { font-size: 1rem; font-weight: 600; color: var(--ink-300); }
.plan__desc { color: var(--ink-500); font-size: .95rem; margin-bottom: 20px; }
.plan__features { display: grid; gap: 12px; margin-bottom: 26px; }
.plan__features li { color: var(--ink-700); font-size: .96rem; }
.plan { padding-top: 36px; }
.plan .btn { margin-top: auto; }
.pricing__note { text-align: center; margin-top: 28px; color: var(--ink-500); font-size: .92rem; }

/* ---------- Testimonials ---------- */
.testimonial { display: flex; flex-direction: column; }
.testimonial__stars { color: #ffb400; letter-spacing: 2px; font-size: 1.05rem; margin-bottom: 14px; }
.testimonial blockquote { font-size: 1.02rem; color: var(--ink-700); flex: 1; }
.testimonial figcaption { display: flex; align-items: center; gap: 12px; margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--line); }
.avatar { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: linear-gradient(135deg, var(--blue-500), var(--accent)); color: #fff; font-family: var(--font-head); font-weight: 700; font-size: .9rem; }
.testimonial figcaption strong { display: block; color: var(--ink-900); font-family: var(--font-head); }
.testimonial figcaption small { color: var(--ink-300); font-size: .85rem; }

/* ---------- CTA ---------- */
.cta { padding: clamp(48px, 6vw, 80px) 0; }
.cta__inner {
  background: linear-gradient(135deg, var(--ink-900), #14315e); color: #fff; border-radius: var(--radius-lg);
  padding: clamp(34px, 5vw, 60px); display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 28px;
  box-shadow: var(--shadow-lg); position: relative; overflow: hidden;
}
.cta__inner::after { content: "❄"; position: absolute; right: -10px; bottom: -30px; font-size: 12rem; opacity: .07; }
.cta__inner h2 { color: #fff; font-size: clamp(1.6rem, 3vw, 2.3rem); }
.cta__inner p { color: #c9d6ea; margin-top: 8px; }
.cta__actions { display: flex; flex-wrap: wrap; gap: 14px; }

/* ---------- FAQ ---------- */
.faq__inner { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(32px, 5vw, 64px); align-items: start; }
.accordion { display: grid; gap: 14px; }
.accordion__item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; transition: border-color .2s, box-shadow .2s; }
.accordion__item[open] { border-color: var(--blue-200); box-shadow: var(--shadow-sm); }
.accordion__item summary {
  list-style: none; cursor: pointer; padding: 18px 22px; font-family: var(--font-head); font-weight: 700;
  color: var(--ink-900); display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.accordion__item summary::-webkit-details-marker { display: none; }
.accordion__item summary::after { content: "+"; font-size: 1.5rem; font-weight: 400; color: var(--blue-500); transition: transform .25s; line-height: 1; }
.accordion__item[open] summary::after { transform: rotate(45deg); }
.accordion__body { padding: 0 22px 20px; color: var(--ink-500); }

/* ---------- Contact ---------- */
.contact__inner { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(32px, 5vw, 64px); align-items: start; }
.contact__list { display: grid; gap: 20px; margin-top: 28px; }
.contact__list li { display: flex; gap: 16px; align-items: flex-start; }
.contact__icon { flex: 0 0 auto; width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; background: var(--blue-50); font-size: 1.2rem; }
.contact__list strong { display: block; font-family: var(--font-head); color: var(--ink-900); margin-bottom: 2px; }
.contact__list a, .contact__list span { color: var(--ink-500); }
.contact__list a:hover { color: var(--blue-600); }
.contact__form-wrap { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: clamp(24px, 3vw, 38px); box-shadow: var(--shadow); }
.form-status { margin-top: 14px; font-size: .92rem; text-align: center; min-height: 1.2em; }
.form-status.success { color: #0a9e54; }
.form-status.error { color: var(--warn); }

/* ---------- Footer ---------- */
.footer { background: var(--ink-900); color: #aebcd2; padding-top: clamp(48px, 6vw, 72px); }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.4fr; gap: 40px; padding-bottom: 44px; }
.footer__col h4 { color: #fff; font-size: 1.05rem; margin-bottom: 16px; }
.footer__col ul { display: grid; gap: 10px; }
.footer__col a:hover { color: #fff; }
.footer__col--brand p { margin: 16px 0 18px; font-size: .94rem; max-width: 320px; }
.social { display: flex; gap: 10px; }
.social a { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; background: rgba(255,255,255,.08); color: #fff; font-weight: 700; transition: background .2s, transform .2s; }
.social a:hover { background: var(--blue-500); transform: translateY(-2px); }
.newsletter { display: flex; gap: 8px; margin-top: 14px; }
.newsletter input { flex: 1; padding: 11px 14px; border-radius: var(--radius-sm); border: 1px solid rgba(255,255,255,.14); background: rgba(255,255,255,.06); color: #fff; }
.newsletter input::placeholder { color: #8497b3; }
.newsletter input:focus { outline: none; border-color: var(--blue-400); }
.newsletter .btn { padding: 11px 18px; }
.footer__bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; padding: 22px 0; border-top: 1px solid rgba(255,255,255,.1); font-size: .88rem; }
.footer__bottom ul { display: flex; gap: 22px; }
.footer__bottom a:hover { color: #fff; }

/* ---------- Floating buttons ---------- */
.to-top {
  position: fixed; right: 22px; bottom: 22px; width: 46px; height: 46px; border-radius: 50%;
  background: var(--blue-500); color: #fff; font-size: 1.3rem; box-shadow: var(--shadow);
  opacity: 0; visibility: hidden; transform: translateY(12px); transition: opacity .3s, transform .3s, visibility .3s, background .2s; z-index: 90;
}
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { background: var(--blue-600); }

.fab-call {
  display: none; position: fixed; left: 18px; bottom: 18px; width: 56px; height: 56px; border-radius: 50%;
  background: var(--accent); color: #fff; place-items: center; box-shadow: 0 10px 26px rgba(25,194,194,.5); z-index: 90;
  animation: pulse 2.4s infinite;
}
.fab-call svg { width: 24px; height: 24px; fill: none; stroke: #fff; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
@keyframes pulse { 0%, 100% { box-shadow: 0 10px 26px rgba(25,194,194,.5); } 50% { box-shadow: 0 10px 26px rgba(25,194,194,.5), 0 0 0 12px rgba(25,194,194,0); } }

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ======================= RESPONSIVE ======================= */
@media (max-width: 980px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__card { order: -1; }
  .why__inner, .faq__inner, .contact__inner { grid-template-columns: 1fr; }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .nav {
    position: fixed; inset: var(--header-h) 0 auto 0; flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line); box-shadow: var(--shadow);
    padding: 12px 20px 22px; transform: translateY(-120%); transition: transform .35s var(--ease);
    max-height: calc(100vh - var(--header-h)); overflow-y: auto;
  }
  .nav.open { transform: translateY(0); }
  .nav__list { flex-direction: column; align-items: stretch; gap: 2px; }
  .nav__link { display: block; padding: 14px 12px; border-radius: 10px; font-size: 1.05rem; }
  .nav__link::after { display: none; }
  .nav__link:hover, .nav__link.is-active { background: var(--blue-50); }
  .nav__cta { margin-top: 12px; }
  .banner__inner { grid-template-columns: repeat(2, 1fr); gap: 30px 20px; }
}

@media (max-width: 600px) {
  .topbar__item--hide-sm { display: none; }
  .topbar__badge { display: none; }
  .topbar__left { gap: 14px; }
  .grid--3 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: 30px; }
  .field-row { grid-template-columns: 1fr; }
  .cta__inner { flex-direction: column; align-items: flex-start; text-align: left; }
  .cta__actions { width: 100%; }
  .cta__actions .btn { flex: 1; }
  .fab-call { display: grid; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
  .section__head { text-align: left; }
}

@media (max-width: 380px) {
  .hero__trust { gap: 18px; }
  .btn--lg { width: 100%; }
  .hero__actions .btn { flex: 1; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- Print ---------- */
@media print {
  .topbar, .header, .nav-toggle, .to-top, .fab-call, .hero__card, .cta__actions { display: none; }
}