/* =====================================================================
   CLIMO International — brand stylesheet
   Theme: professional / tech / blue. Multilingual-friendly typography.
   ===================================================================== */

/* ---------- design tokens ---------- */
:root {
  /* blues */
  --blue-950: #050b1c;
  --blue-900: #081127;
  --blue-800: #0d1f47;
  --blue-700: #123072;
  --blue-600: #1e5fff;
  --blue-500: #3a7bff;
  --blue-400: #5e98ff;
  --cyan-400: #29d3ff;
  --cyan-300: #6fe3ff;

  /* neutrals */
  --ink: #0c1633;
  --slate-700: #2c3a5e;
  --slate-500: #5a678a;
  --slate-400: #8893b2;
  --line: #e3e8f3;
  --surface: #f5f7fc;
  --white: #ffffff;

  --grad-brand: linear-gradient(120deg, var(--blue-600) 0%, var(--cyan-400) 100%);
  --grad-deep: radial-gradient(1200px 700px at 75% -10%, rgba(41,211,255,0.18), transparent 55%),
               radial-gradient(900px 600px at 10% 10%, rgba(30,95,255,0.28), transparent 50%),
               linear-gradient(160deg, var(--blue-950) 0%, var(--blue-800) 100%);

  --shadow-sm: 0 2px 8px rgba(12,22,51,0.06);
  --shadow-md: 0 10px 30px rgba(12,22,51,0.10);
  --shadow-lg: 0 24px 60px rgba(12,22,51,0.16);
  --shadow-blue: 0 16px 40px rgba(30,95,255,0.30);

  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;

  --maxw: 1200px;
  --header-h: 72px;

  --font: "Inter", "Noto Sans", "Noto Sans TC", "Noto Sans JP", "Noto Sans Thai",
          "PingFang TC", "Microsoft JhengHei", system-ui, -apple-system, "Segoe UI", sans-serif;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }

/* ---------- layout helpers ---------- */
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 24px; }
.section { padding-block: clamp(64px, 9vw, 128px); }
.section--tint { background: var(--surface); }
.section--dark { background: var(--grad-deep); color: #dce6ff; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--blue-600);
}
.eyebrow::before {
  content: ""; width: 22px; height: 2px; border-radius: 2px; background: var(--grad-brand);
}
.section--dark .eyebrow { color: var(--cyan-300); }

.section-head { max-width: 720px; margin-bottom: clamp(36px, 5vw, 60px); }
.section-head.is-center { margin-inline: auto; text-align: center; }
.section-head h2 {
  font-size: clamp(28px, 4vw, 44px); line-height: 1.18; font-weight: 800;
  letter-spacing: -0.02em; margin-top: 14px;
}
.section-head p { margin-top: 16px; color: var(--slate-500); font-size: clamp(16px, 1.6vw, 18px); }
.section--dark .section-head p { color: #aebde4; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 26px; border-radius: 999px; font-weight: 700; font-size: 15px;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }
.btn--primary { background: var(--grad-brand); color: #fff; box-shadow: var(--shadow-blue); }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 22px 50px rgba(30,95,255,0.42); }
.btn--ghost { background: rgba(255,255,255,0.08); color: #eaf1ff; border: 1px solid rgba(255,255,255,0.28); }
.btn--ghost:hover { background: rgba(255,255,255,0.16); transform: translateY(-2px); }
.btn--light { background: #fff; color: var(--blue-700); box-shadow: var(--shadow-md); }
.btn--light:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn--outline { border: 1.5px solid var(--line); color: var(--ink); }
.btn--outline:hover { border-color: var(--blue-600); color: var(--blue-600); }

/* ---------- header ---------- */
.header {
  position: sticky; top: 0; z-index: 100;
  height: var(--header-h);
  display: flex; align-items: center;
  background: rgba(255,255,255,0.72);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: box-shadow .25s ease, border-color .25s ease, background .25s ease;
}
.header.is-scrolled { box-shadow: var(--shadow-sm); border-bottom-color: var(--line); }
.header .container { display: flex; align-items: center; justify-content: space-between; gap: 16px; }

.brand { display: flex; align-items: center; gap: 13px; }
.brand__mark { width: 62px; height: 48px; object-fit: contain; flex: 0 0 auto; }
.brand__lockup { display: flex; flex-direction: column; line-height: 1.04; }
.brand__word {
  font-size: 26px; font-weight: 800; letter-spacing: 0.1em; color: var(--blue-700);
  padding-left: 0.12em;
}
.brand__slogan {
  font-size: 10.5px; font-weight: 600; letter-spacing: 0.02em; color: var(--slate-500);
  margin-top: 4px; padding-left: 0.25em; white-space: nowrap;
}
@media (max-width: 430px) { .brand__slogan { display: none; } }
.brand__text { display: flex; flex-direction: column; line-height: 1.2; }
.brand__text b { font-size: 16px; font-weight: 800; letter-spacing: 0.02em; }
.brand__text span { font-size: 13px; color: var(--slate-400); letter-spacing: 0.04em; }

/* nav */
.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  position: relative; padding: 10px 16px; border-radius: 10px;
  font-weight: 600; font-size: 15px; color: var(--slate-700);
  transition: color .2s ease, background .2s ease;
}
.nav a:hover { color: var(--blue-600); }
.nav a.is-active { color: var(--blue-700); }
.nav a.is-active::after {
  content: ""; position: absolute; left: 16px; right: 16px; bottom: 4px; height: 2px;
  border-radius: 2px; background: var(--grad-brand);
}

.header__actions { display: flex; align-items: center; gap: 10px; }

/* language switcher */
.lang { position: relative; }
.lang__toggle {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 13px; border-radius: 10px; font-weight: 700; font-size: 14px;
  color: var(--slate-700); border: 1px solid var(--line); background: #fff;
  transition: border-color .2s ease, color .2s ease;
}
.lang__toggle:hover { border-color: var(--blue-400); color: var(--blue-600); }
.lang__toggle svg { width: 16px; height: 16px; }
.lang__menu {
  position: absolute; right: 0; top: calc(100% + 10px);
  min-width: 190px; background: #fff; border: 1px solid var(--line);
  border-radius: 14px; box-shadow: var(--shadow-lg); padding: 8px;
  opacity: 0; visibility: hidden; transform: translateY(-8px);
  transition: opacity .18s ease, transform .18s ease, visibility .18s;
}
.lang.is-open .lang__menu { opacity: 1; visibility: visible; transform: translateY(0); }
.lang-option {
  display: block; width: 100%; text-align: left;
  padding: 10px 14px; border-radius: 9px; font-size: 14.5px; font-weight: 600; color: var(--slate-700);
  transition: background .15s ease, color .15s ease;
}
.lang-option:hover { background: var(--surface); color: var(--blue-600); }
.lang-option.is-active { background: rgba(30,95,255,0.10); color: var(--blue-700); }

/* mobile nav toggle */
.nav-toggle { display: none; width: 42px; height: 42px; border-radius: 10px; border: 1px solid var(--line); position: relative; }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: ""; position: absolute; left: 50%; top: 50%; width: 18px; height: 2px;
  background: var(--ink); border-radius: 2px; transform: translate(-50%, -50%); transition: transform .25s ease, opacity .2s ease;
}
.nav-toggle span::before { transform: translate(-50%, -7px); }
.nav-toggle span::after { transform: translate(-50%, 7px); }
.nav-toggle.is-open span { background: transparent; }
.nav-toggle.is-open span::before { transform: translate(-50%, 0) rotate(45deg); background: var(--ink); }
.nav-toggle.is-open span::after { transform: translate(-50%, 0) rotate(-45deg); background: var(--ink); }

/* ---------- hero ---------- */
.hero { position: relative; background: var(--grad-deep); color: #eaf1ff; overflow: hidden; }
.hero__rings { position: absolute; inset: 0; pointer-events: none; opacity: .5; }
.hero__rings .ring {
  position: absolute; border: 1.5px solid rgba(110,160,255,0.25); border-radius: 30%;
}
.hero__rings .ring--1 { width: 520px; height: 440px; right: -120px; top: -80px; transform: rotate(8deg);
  border-color: rgba(41,211,255,0.22); }
.hero__rings .ring--2 { width: 520px; height: 440px; right: 30px; top: 10px; transform: rotate(-6deg); }
.hero__rings .dot { position: absolute; width: 6px; height: 6px; border-radius: 50%; background: var(--cyan-300); box-shadow: 0 0 14px var(--cyan-400); }
.hero__rings .dot--a { right: 18%; top: 24%; } .hero__rings .dot--b { right: 40%; top: 60%; }

.hero__inner { position: relative; z-index: 1; padding-block: clamp(72px, 11vw, 132px); max-width: 760px; }
.hero__badge {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 7px 15px; border-radius: 999px; font-size: 13px; font-weight: 700; letter-spacing: 0.04em;
  background: rgba(110,227,255,0.12); border: 1px solid rgba(110,227,255,0.30); color: var(--cyan-300);
}
.hero__badge .pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan-400); box-shadow: 0 0 0 0 rgba(41,211,255,.6); animation: pulse 2s infinite; }
@keyframes pulse { 0%{box-shadow:0 0 0 0 rgba(41,211,255,.55)} 70%{box-shadow:0 0 0 9px rgba(41,211,255,0)} 100%{box-shadow:0 0 0 0 rgba(41,211,255,0)} }

.hero h1 {
  font-size: clamp(34px, 6vw, 64px); line-height: 1.08; font-weight: 800; letter-spacing: -0.025em;
  margin-top: 22px;
  background: linear-gradient(180deg, #ffffff 30%, #b9d2ff 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p { margin-top: 22px; font-size: clamp(16px, 2vw, 20px); color: #b6c6ee; max-width: 620px; }
.hero__cta { margin-top: 36px; display: flex; flex-wrap: wrap; gap: 14px; }

/* ---------- stats strip ---------- */
.stats {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: rgba(255,255,255,0.10); border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius); overflow: hidden; margin-top: 8px;
}
.stat { background: rgba(8,17,39,0.35); padding: 26px 24px; }
.stat__num { font-size: clamp(26px, 3.4vw, 38px); font-weight: 800; letter-spacing: -0.02em; color: #fff; }
.stat__num span { background: var(--grad-brand); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat__label { margin-top: 6px; font-size: 13.5px; color: #9fb2dd; }

/* ---------- cards grid ---------- */
.grid { display: grid; gap: 24px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 30px; box-shadow: var(--shadow-sm);
  transition: transform .28s ease, box-shadow .28s ease, border-color .28s ease;
  position: relative; overflow: hidden;
}
.card::after {
  content: ""; position: absolute; left: 0; top: 0; height: 4px; width: 100%;
  background: var(--grad-brand); transform: scaleX(0); transform-origin: left; transition: transform .3s ease;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.card:hover::after { transform: scaleX(1); }
.card__icon {
  width: 54px; height: 54px; border-radius: 14px; display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(30,95,255,0.12), rgba(41,211,255,0.12));
  color: var(--blue-600); margin-bottom: 20px;
}
.card__icon svg { width: 27px; height: 27px; }
.card h3 { font-size: 20px; font-weight: 800; letter-spacing: -0.01em; }
.card p { margin-top: 10px; color: var(--slate-500); font-size: 15.5px; }
.card__num { font-size: 13px; font-weight: 800; color: var(--blue-400); letter-spacing: .1em; }

/* dark cards (process on dark) */
.card--glass {
  background: rgba(255,255,255,0.05); border-color: rgba(255,255,255,0.12); box-shadow: none; color: #dce6ff;
}
.card--glass h3 { color: #fff; }
.card--glass p { color: #a9bbe6; }
.card--glass .card__icon { background: rgba(110,227,255,0.14); color: var(--cyan-300); }
.card--glass:hover { border-color: rgba(110,227,255,0.4); background: rgba(255,255,255,0.08); }

/* ---------- feature list (why us) ---------- */
.feature { display: flex; gap: 16px; align-items: flex-start; }
.feature__mark {
  flex: 0 0 auto; width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center;
  background: var(--grad-brand); color: #fff; box-shadow: var(--shadow-blue);
}
.feature__mark svg { width: 22px; height: 22px; }
.feature h3 { font-size: 18px; font-weight: 800; }
.feature p { margin-top: 6px; color: var(--slate-500); font-size: 15px; }

/* ---------- split (about / logo) ---------- */
.split { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(32px, 6vw, 80px); align-items: center; }
.split__media { position: relative; }
.prose p { color: var(--slate-500); font-size: 17px; }
.prose h2 { font-size: clamp(26px, 3.6vw, 40px); font-weight: 800; letter-spacing: -0.02em; line-height: 1.2; margin-top: 14px; }
.section--dark .prose p { color: #aebde4; }

/* logo showcase tile — large blue mark on white, professional */
.logo-tile {
  aspect-ratio: 1 / 1; border-radius: var(--radius-lg); background: #fff;
  border: 1px solid var(--line);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 22px;
  box-shadow: var(--shadow-lg); position: relative; overflow: hidden;
}
.logo-tile::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 38%, rgba(41,211,255,0.10), transparent 62%);
}
.logo-tile__mark { width: 56%; max-width: 280px; position: relative; z-index: 1; }
.logo-tile__word {
  position: relative; z-index: 1;
  font-size: clamp(30px, 5vw, 48px); font-weight: 800; letter-spacing: 0.2em; padding-left: 0.2em;
  background: linear-gradient(90deg, #1e5fff 0%, #29d3ff 40%, #1e5fff 80%);
  background-size: 220% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: wordShine 4.5s linear infinite;
}
@keyframes wordShine { to { background-position: 220% 0; } }
@media (prefers-reduced-motion: reduce) { .logo-tile__word { animation: none; } }

/* mission / vision tiles */
.mv { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.mv__item { padding: 32px; border-radius: var(--radius-lg); border: 1px solid var(--line); background: #fff; box-shadow: var(--shadow-sm); }
.mv__item h3 { font-size: 22px; font-weight: 800; display: flex; align-items: center; gap: 12px; }
.mv__item h3 .ic { width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center; background: var(--grad-brand); color: #fff; }
.mv__item h3 .ic svg { width: 20px; height: 20px; }
.mv__item p { margin-top: 14px; color: var(--slate-500); }

/* ---------- service detail rows ---------- */
.svc-row {
  display: grid; grid-template-columns: 64px 1fr; gap: 28px;
  padding: 36px; border-radius: var(--radius-lg); border: 1px solid var(--line); background: #fff;
  box-shadow: var(--shadow-sm); transition: box-shadow .25s ease, transform .25s ease;
}
.svc-row:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.svc-row__badge {
  width: 64px; height: 64px; border-radius: 18px; display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(30,95,255,0.12), rgba(41,211,255,0.12)); color: var(--blue-600);
}
.svc-row__badge svg { width: 30px; height: 30px; }
.svc-row h3 { font-size: clamp(20px, 2.4vw, 26px); font-weight: 800; letter-spacing: -0.01em; }
.svc-row > div > p { margin-top: 12px; color: var(--slate-500); font-size: 16px; max-width: 760px; }
.svc-benefits { margin-top: 20px; display: flex; flex-wrap: wrap; gap: 10px 22px; }
.svc-benefits .lbl { width: 100%; font-size: 12.5px; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; color: var(--blue-400); }
.svc-benefits li { display: flex; align-items: center; gap: 9px; font-size: 14.5px; font-weight: 600; color: var(--slate-700); }
.svc-benefits li svg { width: 18px; height: 18px; color: var(--blue-600); flex: 0 0 auto; }

/* ---------- process timeline ---------- */
.steps { counter-reset: step; }
.step { position: relative; }
.step__no {
  width: 46px; height: 46px; border-radius: 13px; display: grid; place-items: center;
  font-weight: 800; font-size: 18px; color: #fff; background: var(--grad-brand);
  box-shadow: var(--shadow-blue); margin-bottom: 18px;
}

/* ---------- CTA band ---------- */
.ctaband {
  background: var(--grad-deep); border-radius: clamp(20px, 3vw, 32px); color: #fff;
  padding: clamp(40px, 6vw, 72px); text-align: center; position: relative; overflow: hidden;
}
.ctaband::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(600px 300px at 50% 120%, rgba(41,211,255,0.25), transparent 60%);
}
.ctaband > * { position: relative; z-index: 1; }
.ctaband h2 { font-size: clamp(26px, 4vw, 42px); font-weight: 800; letter-spacing: -0.02em; }
.ctaband p { margin-top: 14px; color: #b6c6ee; max-width: 600px; margin-inline: auto; font-size: 17px; }
.ctaband .btn { margin-top: 28px; }

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: clamp(28px, 5vw, 56px); align-items: start; }
.form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: clamp(24px, 4vw, 40px); box-shadow: var(--shadow-md); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 14px; font-weight: 700; color: var(--slate-700); margin-bottom: 7px; }
.field input, .field textarea {
  width: 100%; padding: 13px 15px; border: 1.5px solid var(--line); border-radius: 12px;
  font-family: inherit; font-size: 15px; color: var(--ink); background: var(--surface);
  transition: border-color .2s ease, background .2s ease, box-shadow .2s ease;
}
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--blue-500); background: #fff; box-shadow: 0 0 0 4px rgba(30,95,255,0.12);
}
.field textarea { resize: vertical; min-height: 130px; }
.form__note { font-size: 13px; color: var(--slate-400); margin-top: 4px; }
.form__success {
  margin-top: 16px; padding: 14px 16px; border-radius: 12px; font-weight: 600; font-size: 14.5px;
  background: rgba(30,95,255,0.08); color: var(--blue-700); border: 1px solid rgba(30,95,255,0.2);
}

.contact-info { display: flex; flex-direction: column; gap: 12px; }
.info-card { padding: 22px 24px; border-radius: var(--radius); border: 1px solid var(--line); background: #fff; box-shadow: var(--shadow-sm); }
.info-card .k { font-size: 12.5px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--blue-400); }
.info-card .v { margin-top: 6px; font-size: 16px; font-weight: 600; color: var(--ink); }
.info-card .v small { display: block; font-weight: 500; color: var(--slate-400); font-size: 13px; margin-top: 2px; }
.info-card a.v:hover { color: var(--blue-600); }

/* ---------- footer ---------- */
.footer { background: var(--blue-950); color: #9fb2dd; padding-block: 56px 28px; }
.footer__top { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
.footer .brand__text b { color: #fff; }
.footer .brand__text span { color: #6f80ac; }
.footer__tagline { margin-top: 16px; font-size: 14.5px; max-width: 320px; color: #8092bd; }
.footer h4 { color: #fff; font-size: 14px; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 16px; }
.footer__links li { margin-bottom: 10px; }
.footer__links a { font-size: 15px; color: #9fb2dd; transition: color .2s ease; }
.footer__links a:hover { color: var(--cyan-300); }
.footer__bottom {
  margin-top: 44px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,0.08);
  display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; align-items: center;
  font-size: 13.5px; color: #6f80ac;
}

/* ---------- scroll reveal ---------- */
[data-reveal] { opacity: 0; transform: translateY(26px); transition: opacity .6s ease, transform .6s ease; }
[data-reveal].is-visible { opacity: 1; transform: none; }
[data-reveal][data-delay="1"] { transition-delay: .08s; }
[data-reveal][data-delay="2"] { transition-delay: .16s; }
[data-reveal][data-delay="3"] { transition-delay: .24s; }

/* ---------- page hero (interior) ---------- */
.page-hero { background: var(--grad-deep); color: #eaf1ff; position: relative; overflow: hidden; }
.page-hero__inner { padding-block: clamp(60px, 9vw, 110px); max-width: 760px; position: relative; z-index: 1; }
.page-hero h1 { font-size: clamp(30px, 5vw, 52px); line-height: 1.12; font-weight: 800; letter-spacing: -0.02em; margin-top: 16px;
  background: linear-gradient(180deg, #fff 40%, #b9d2ff 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.page-hero p { margin-top: 18px; font-size: clamp(16px, 1.8vw, 19px); color: #b6c6ee; }
.page-hero .ring {
  position: absolute; width: 420px; height: 360px; border: 1.5px solid rgba(110,227,255,0.18); border-radius: 30%;
  right: -80px; top: -40px; transform: rotate(8deg);
}
.page-hero .ring--2 { right: 60px; top: 30px; transform: rotate(-7deg); border-color: rgba(110,160,255,0.16); }

/* ---------- responsive ---------- */
@media (max-width: 1024px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .footer__top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav {
    position: fixed; inset: var(--header-h) 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 2px;
    background: #fff; padding: 14px; border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md);
    transform: translateY(-12px); opacity: 0; visibility: hidden;
    transition: transform .22s ease, opacity .22s ease, visibility .22s;
  }
  .nav.is-open { transform: translateY(0); opacity: 1; visibility: visible; }
  .nav a { padding: 13px 16px; }
  .nav a.is-active::after { display: none; }
  .header__actions .btn--primary { display: none; }
  .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .grid--2 { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
  .split__media { order: -1; }
  .mv { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 480px) {
  .form-row { grid-template-columns: 1fr; }
  .svc-row { grid-template-columns: 1fr; gap: 18px; padding: 26px; }
  .hero__cta { flex-direction: column; align-items: stretch; }
  .hero__cta .btn { width: 100%; }
}