/* =============================================================
   IAVDive — Design System
   Palette: deep navy / sky blue / white / light grey
   Type:    Montserrat — Bold (заголовки и акценты) · Regular (текст)
   ============================================================= */

/* ---------- 1. Tokens ---------- */
:root {
  --ink: #0B1B2E;
  --ink-2: #12314F;
  --night: #06111D;
  --sky: #3E9BDC;
  --sky-glow: #7BC5F0;
  --sky-deep: #1C4E7E;
  --haze: #DDEBF6;
  --cloud: #F4F7FA;
  --white: #FFFFFF;
  --line: #E4ECF3;
  --line-dark: rgba(255, 255, 255, 0.12);
  --slate: #56697C;
  --mist: #9BB0C4;
  --rbf: #C1362E;

  --radius-sm: 12px;
  --radius: 18px;
  --radius-lg: 28px;

  --container: 1200px;
  --gutter: clamp(20px, 5vw, 64px);
  --header-h: 78px;

  --shadow-sm: 0 2px 10px rgba(11, 27, 46, 0.05);
  --shadow: 0 18px 44px -18px rgba(11, 27, 46, 0.22);
  --shadow-lg: 0 44px 90px -34px rgba(11, 27, 46, 0.40);
  --shadow-sky: 0 20px 50px -18px rgba(62, 155, 220, 0.55);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  --font-display: 'Montserrat', 'Segoe UI', system-ui, sans-serif;
  --font-body: 'Montserrat', 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'Montserrat', 'Segoe UI', system-ui, sans-serif;
}

/* ---------- 2. Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; }

* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body.no-scroll { overflow: hidden; }

img, svg { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

button { font: inherit; color: inherit; cursor: pointer; border: none; background: none; }

input, select, textarea { font: inherit; color: inherit; }

ul { list-style: none; padding: 0; }

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

::selection { background: var(--sky); color: #fff; }

/* ---------- 3. Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.display {
  font-size: clamp(2.6rem, 5.6vw, 4.9rem);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.025em;
}

.h2 { font-size: clamp(1.9rem, 3.4vw, 3rem); }
.h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); font-weight: 700; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--sky);
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
}
.eyebrow::before {
  content: "";
  width: 7px; height: 7px;
  background: var(--sky);
  transform: rotate(45deg);
  flex: none;
}
.eyebrow--muted { color: var(--mist); }
.eyebrow--muted::before { background: var(--sky); }

.lead {
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  color: var(--slate);
  line-height: 1.7;
}

.text-muted { color: var(--slate); }

/* ---------- 4. Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--wide { max-width: 1360px; }
.container--narrow { max-width: 780px; }

.section {
  padding-block: clamp(72px, 10vw, 140px);
  position: relative;
}
.section--tight { padding-block: clamp(48px, 7vw, 88px); }
.section--dark { background: var(--ink); color: #fff; }
.section--dark h1, .section--dark h2, .section--dark h3 { color: #fff; }
.section--cloud { background: var(--cloud); }

.section-head {
  max-width: 640px;
  margin-bottom: clamp(40px, 5vw, 68px);
}
.section-head .h2 { margin-top: 18px; }
.section-head .lead { margin-top: 18px; }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head--center .eyebrow { justify-content: center; }

.hairline {
  height: 1px;
  background: var(--line);
  border: none;
}
.section--dark .hairline { background: var(--line-dark); }

/* ---------- 5. Buttons ---------- */
.btn {
  --btn-bg: var(--sky);
  --btn-fg: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6em;
  padding: 0.95em 1.6em;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.98rem;
  letter-spacing: 0.01em;
  color: var(--btn-fg);
  background: var(--btn-bg);
  border-radius: 999px;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), background 0.25s ease;
  white-space: nowrap;
}
.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 20%, rgba(255, 255, 255, 0.28) 50%, transparent 80%);
  transform: translateX(-120%);
  transition: transform 0.7s var(--ease);
  z-index: -1;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-sky); }
.btn:hover::after { transform: translateX(120%); }
.btn:active { transform: translateY(0); }
.btn .btn-arrow { transition: transform 0.35s var(--ease); }
.btn:hover .btn-arrow { transform: translateX(4px); }

.btn--primary { --btn-bg: var(--sky); --btn-fg: #fff; }
.btn--light { --btn-bg: #fff; --btn-fg: var(--ink); }
.btn--light:hover { box-shadow: var(--shadow-lg); }

.btn--ghost {
  --btn-fg: var(--ink);
  background: transparent;
  border: 1.5px solid var(--line);
}
.btn--ghost::after { display: none; }
.btn--ghost:hover { border-color: var(--sky); color: var(--sky); box-shadow: none; }
.section--dark .btn--ghost { --btn-fg: #fff; border-color: var(--line-dark); }
.section--dark .btn--ghost:hover { border-color: var(--sky-glow); color: var(--sky-glow); }
/* Ghost-кнопка на тёмном фото hero — светлый текст и видимая рамка */
.hero .btn--ghost { --btn-fg: #fff; color: #fff; border-color: rgba(255, 255, 255, 0.55); }
.hero .btn--ghost:hover { border-color: #fff; color: #fff; background: rgba(255, 255, 255, 0.12); }

.btn--lg { padding: 1.15em 2em; font-size: 1.05rem; }
.btn--block { width: 100%; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--sky);
  transition: gap 0.3s var(--ease);
}
.link-arrow:hover { gap: 0.85em; }

/* ---------- 6. Header / Nav ---------- */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}
.header__inner {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
/* solid state */
.header.is-solid {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: saturate(160%) blur(16px);
  -webkit-backdrop-filter: saturate(160%) blur(16px);
  border-bottom-color: var(--line);
  box-shadow: 0 6px 24px -18px rgba(11, 27, 46, 0.5);
}
/* pages without a dark hero start solid & light */
.header--light { color: var(--ink); }

.logo { display: inline-flex; align-items: center; gap: 11px; }
.logo-mark { width: 36px; height: 36px; flex: none; display: block; object-fit: contain; }
.logo-mark .canopy { fill: none; stroke: var(--sky); stroke-width: 4.4; stroke-linecap: round; }
.logo-mark .lines { fill: none; stroke: var(--sky-glow); stroke-width: 2.3; stroke-linecap: round; }
.logo-mark .jumper { fill: currentColor; }
.logo-word {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: 0.03em;
  color: currentColor;
}
.logo-word b { color: var(--sky); font-weight: 700; }

/* nav over dark hero = white text */
.header:not(.is-solid) .nav__link,
.header:not(.is-solid) .logo { color: #fff; }
.header:not(.is-solid) .logo-mark .jumper { fill: #fff; }
.header.is-solid .nav__link,
.header.is-solid .logo { color: var(--ink); }
.header.is-solid .logo-mark .jumper { fill: var(--ink); }

.nav { display: flex; align-items: center; gap: clamp(18px, 2.4vw, 38px); }
.nav__links { display: flex; align-items: center; gap: clamp(18px, 2.4vw, 34px); }
.nav__link {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.96rem;
  position: relative;
  padding: 4px 0;
  transition: color 0.25s ease;
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 100%;
  height: 1.5px;
  background: var(--sky);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.32s var(--ease);
}
.nav__link:hover::after,
.nav__link[aria-current="page"]::after { transform: scaleX(1); }

.nav__actions { display: flex; align-items: center; gap: 14px; }

.cart-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 16px 9px 14px;
  border-radius: 999px;
  border: 1.5px solid var(--line-dark);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.92rem;
  color: inherit;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease), transform 0.3s var(--ease);
}
.header.is-solid .cart-btn { border-color: var(--line); }
.cart-btn:hover { border-color: var(--sky); transform: translateY(-1px); }
.cart-btn svg { width: 19px; height: 19px; }
.cart-btn__count {
  min-width: 21px;
  height: 21px;
  padding: 0 6px;
  display: grid;
  place-items: center;
  background: var(--sky);
  color: #fff;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1;
  transform: scale(0);
  transition: transform 0.32s var(--ease);
}
.cart-btn__count.is-active { transform: scale(1); }
.cart-btn__count.bump { animation: countBump 0.42s var(--ease); }
@keyframes countBump { 0% { transform: scale(1); } 40% { transform: scale(1.45); } 100% { transform: scale(1); } }

.nav__toggle { display: none; }

/* ---------- 7. Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  padding-top: calc(var(--header-h) + 40px);
  padding-bottom: clamp(48px, 8vh, 96px);
  overflow: hidden;
  color: #fff;
  background: linear-gradient(180deg, var(--night) 0%, var(--ink) 42%, var(--sky-deep) 100%);
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  /* Фон hero — фото. Чтобы заменить фото: положите новый файл в assets/img/hero.webp
     (тёмная плёнка слева нужна, чтобы белый текст оставался читаемым). */
  background:
    linear-gradient(90deg, rgba(6,17,29,0.82) 0%, rgba(6,17,29,0.5) 42%, rgba(6,17,29,0.15) 78%, rgba(6,17,29,0.3) 100%),
    url('../img/hero.webp') center/cover no-repeat;
  background-size: cover;
  background-position: center;
}
.hero__grain {
  position: absolute; inset: 0; z-index: 1;
  opacity: 0.5;
  background-image: radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 3px 3px;
  pointer-events: none;
}
.hero__cloud {
  display: none; /* фон hero теперь — фото, декоративные блобы не нужны */
  position: absolute;
  z-index: 1;
  border-radius: 50%;
  filter: blur(48px);
  background: radial-gradient(circle, rgba(255, 255, 255, 0.5) 0%, rgba(255, 255, 255, 0) 70%);
  opacity: 0.5;
  will-change: transform;
}
.hero__cloud--a { width: 460px; height: 240px; top: 22%; left: -140px; animation: drift 46s linear infinite; }
.hero__cloud--b { width: 360px; height: 180px; top: 46%; right: -120px; opacity: 0.32; animation: drift 62s linear infinite reverse; }
.hero__cloud--c { width: 280px; height: 150px; top: 12%; right: 24%; opacity: 0.28; animation: drift 78s linear infinite; }
@keyframes drift {
  from { transform: translateX(0); }
  to { transform: translateX(80px); }
}

.hero__inner {
  position: relative;
  z-index: 3;
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 40px;
}
.hero__content { max-width: 780px; min-width: 0; }
.hero .eyebrow { color: var(--sky-glow); }
.hero .eyebrow::before { background: var(--sky-glow); }
.hero__title {
  margin-top: 22px;
  color: #fff;
  text-shadow: 0 2px 40px rgba(0, 0, 0, 0.25);
}
.hero__title .accent { color: var(--sky-glow); }
.hero__sub {
  margin-top: 24px;
  max-width: 560px;
  font-size: clamp(1.05rem, 1.5vw, 1.22rem);
  color: rgba(233, 243, 251, 0.86);
  line-height: 1.65;
}
.hero__actions {
  margin-top: 38px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.hero__meta {
  margin-top: 44px;
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--mist);
}
.hero__meta b {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0;
  margin-bottom: 2px;
}

/* altitude scale — signature element */
.altimeter {
  align-self: end;
  display: flex;
  flex-direction: column;
  gap: 0;
  font-family: var(--font-mono);
  color: var(--mist);
  padding-left: 26px;
  border-left: 1px solid var(--line-dark);
  min-width: 128px;
}
.altimeter__tick {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 0;
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  position: relative;
  opacity: 0.55;
  transition: opacity 0.4s var(--ease), color 0.4s var(--ease);
}
.altimeter__tick::before {
  content: "";
  width: 14px; height: 1px;
  background: currentColor;
}
.altimeter__tick.is-active { opacity: 1; color: var(--sky-glow); }
.altimeter__tick.is-active::before { width: 24px; height: 2px; }
.altimeter__val b { font-weight: 700; color: #fff; }
.altimeter__label {
  margin-top: 10px;
  font-size: 0.64rem;
  letter-spacing: 0.28em;
  opacity: 0.6;
}

.hero__scroll {
  position: absolute;
  left: 50%;
  bottom: 22px;
  transform: translateX(-50%);
  z-index: 3;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.24em;
  color: var(--mist);
}
.hero__scroll span { width: 1px; height: 34px; background: linear-gradient(var(--sky-glow), transparent); animation: scrollLine 2.2s var(--ease) infinite; }
@keyframes scrollLine { 0% { transform: scaleY(0); transform-origin: top; } 45% { transform: scaleY(1); transform-origin: top; } 55% { transform: scaleY(1); transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* ---------- 8. Intro ("Что такое IAVDive") ---------- */
.intro__grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(32px, 6vw, 96px);
  align-items: center;
}
.intro__title { margin-top: 20px; }
.intro__body { color: var(--slate); }
.intro__body p + p { margin-top: 16px; }
.intro__note {
  display: inline-block;
  margin-top: 22px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--mist);
  padding: 5px 12px;
  border: 1px dashed var(--line);
  border-radius: 8px;
}
.intro__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.stat {
  background: var(--white);
  padding: clamp(24px, 3vw, 40px);
  min-width: 0;
  overflow-wrap: break-word;
  word-break: break-word;
}
.stat b {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.4vw, 3rem);
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.stat span { color: var(--slate); font-size: 0.95rem; }
.stat .stat__unit { color: var(--sky); }

/* ---------- 9. Feature cards ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}
.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(26px, 3vw, 36px);
  position: relative;
  overflow: hidden;
  transition: transform 0.45s var(--ease), box-shadow 0.45s var(--ease), border-color 0.45s var(--ease);
}
.card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--sky), var(--sky-glow));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }
.card:hover::before { transform: scaleX(1); }
.card__icon {
  width: 52px; height: 52px;
  display: grid; place-items: center;
  border-radius: 14px;
  background: var(--haze);
  color: var(--sky);
  margin-bottom: 22px;
}
.card__icon svg { width: 26px; height: 26px; }
.card__title { font-size: 1.22rem; font-weight: 700; margin-bottom: 10px; }
.card__text { color: var(--slate); font-size: 0.98rem; }

/* ---------- 10. Steps ("Как проходит прыжок") ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  counter-reset: step;
}
.step {
  position: relative;
  padding-top: 30px;
}
.step::before {
  counter-increment: step;
  content: "0" counter(step);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--sky);
  letter-spacing: 0.1em;
}
.step__line {
  position: absolute;
  top: 8px; left: 0;
  width: 100%;
  height: 2px;
  background: var(--line);
  overflow: hidden;
}
.step__line::after {
  content: "";
  position: absolute; inset: 0;
  background: var(--sky);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.7s var(--ease);
}
.step.is-visible .step__line::after { transform: scaleX(1); }
.step__dot {
  position: absolute;
  top: 3px; left: 0;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--sky);
  box-shadow: 0 0 0 5px rgba(62, 155, 220, 0.15);
}
.step__title { font-family: var(--font-display); font-size: 1.16rem; font-weight: 700; margin: 16px 0 8px; }
.step__text { color: var(--slate); font-size: 0.95rem; }
.section--dark .step__line { background: var(--line-dark); }
.section--dark .step__text { color: var(--mist); }

/* ---------- 11. Gallery (masonry) ---------- */
.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.gallery__item {
  aspect-ratio: 1 / 1;
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  display: block;
  background: linear-gradient(160deg, var(--ink), var(--sky-deep));
  color: #fff;
  isolation: isolate;
}
.gallery__item::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(6, 17, 29, 0.55) 100%);
  z-index: 1;
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}
.gallery__item:hover::after { opacity: 1; }
.gallery__item:hover .gallery__ph { transform: scale(1.05); }
.gallery__ph {
  aspect-ratio: var(--ar, 3 / 4);
  display: grid;
  place-items: center;
  transition: transform 0.6s var(--ease);
  background:
    radial-gradient(120% 80% at 70% 15%, rgba(123, 197, 240, 0.35), transparent 60%),
    linear-gradient(160deg, var(--ink), var(--sky-deep));
}
.gallery__tag {
  position: absolute;
  left: 14px; bottom: 14px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  padding: 5px 10px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 6px;
  backdrop-filter: blur(4px);
  transform: translateY(6px);
  opacity: 0;
  transition: transform 0.4s var(--ease), opacity 0.4s var(--ease);
}
.gallery__item:hover .gallery__tag { transform: translateY(0); opacity: 1; }
.gallery__icon { width: 40px; height: 40px; opacity: 0.4; }
.gallery__item img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.gallery__item:hover img { transform: scale(1.05); }

/* ---------- 12. CTA band ---------- */
.cta {
  position: relative;
  overflow: hidden;
  background: linear-gradient(140deg, var(--night) 0%, var(--ink) 45%, var(--sky-deep) 120%);
  color: #fff;
  border-radius: clamp(20px, 3vw, 34px);
  padding: clamp(48px, 7vw, 96px) clamp(28px, 5vw, 80px);
  text-align: center;
}
.cta__glow {
  position: absolute;
  width: 520px; height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(62, 155, 220, 0.5), transparent 65%);
  top: -180px; right: -120px;
  filter: blur(20px);
  pointer-events: none;
}
.cta .eyebrow { color: var(--sky-glow); }
.cta .eyebrow::before { background: var(--sky-glow); }
.cta .btn--ghost { --btn-fg: #fff; color: #fff; border-color: rgba(255, 255, 255, 0.55); }
.cta .btn--ghost:hover { border-color: #fff; color: #fff; background: rgba(255, 255, 255, 0.12); }
.cta__title { margin: 20px auto 22px; max-width: 15ch; color: #fff; }
.cta__sub { max-width: 52ch; margin: 0 auto 34px; color: rgba(233, 243, 251, 0.82); }
.cta__actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; position: relative; z-index: 1; }

/* ---------- 13. Footer ---------- */
.footer {
  background: var(--night);
  color: var(--mist);
  padding-block: clamp(56px, 7vw, 88px) 32px;
}
.footer__top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 44px;
  border-bottom: 1px solid var(--line-dark);
}
.footer__brand .logo-word { color: #fff; }
.footer__brand .logo-mark .jumper { fill: #fff; }
.footer__tagline { margin-top: 18px; max-width: 34ch; color: var(--mist); font-size: 0.96rem; }
.footer__col h4 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--sky-glow);
  margin-bottom: 18px;
  font-weight: 700;
}
.footer__col ul { display: flex; flex-direction: column; gap: 12px; }
.footer__col a { color: var(--mist); transition: color 0.25s ease; display: inline-flex; align-items: center; gap: 9px; }
.footer__col a:hover { color: #fff; }
.footer__col a svg { width: 17px; height: 17px; flex: none; color: var(--sky); }
.footer__bottom {
  padding-top: 26px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
  font-size: 0.82rem;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}
.footer__bottom a:hover { color: #fff; }

/* ---------- 14. Shop ---------- */
.page-hero {
  padding-top: calc(var(--header-h) + clamp(48px, 8vw, 96px));
  padding-bottom: clamp(32px, 5vw, 56px);
  background: var(--cloud);
  border-bottom: 1px solid var(--line);
}
.page-hero__title { margin-top: 18px; }
.page-hero .lead { margin-top: 16px; max-width: 60ch; }

.shop-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: clamp(28px, 4vw, 44px);
}
.chip {
  padding: 9px 18px;
  border-radius: 999px;
  border: 1.5px solid var(--line);
  background: #fff;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--slate);
  transition: all 0.25s var(--ease);
}
.chip:hover { border-color: var(--sky); color: var(--sky); }
.chip.is-active { background: var(--ink); border-color: var(--ink); color: #fff; }

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: clamp(18px, 2.5vw, 28px);
}
.product {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.45s var(--ease), box-shadow 0.45s var(--ease), border-color 0.45s var(--ease);
}
.product:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }
.product__media {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--haze);
  cursor: pointer;
}
.product__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.product:hover .product__media img { transform: scale(1.04); }
.product__badge {
  position: absolute;
  top: 14px; left: 14px;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 5px 10px;
  border-radius: 6px;
  background: rgba(11, 27, 46, 0.75);
  color: #fff;
  backdrop-filter: blur(4px);
}
.product__quick {
  position: absolute;
  inset: auto 14px 14px 14px;
  padding: 11px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(6px);
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  text-align: center;
  transform: translateY(14px);
  opacity: 0;
  transition: transform 0.4s var(--ease), opacity 0.4s var(--ease);
}
.product:hover .product__quick { transform: translateY(0); opacity: 1; }
.product__body { padding: 22px; display: flex; flex-direction: column; flex: 1; gap: 6px; }
.product__cat { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--sky); }
.product__name { font-family: var(--font-display); font-size: 1.16rem; font-weight: 700; }
.product__desc { color: var(--slate); font-size: 0.92rem; flex: 1; }
.product__foot { display: flex; align-items: center; justify-content: space-between; margin-top: 14px; gap: 12px; }
.product__price { font-family: var(--font-display); font-size: 1.28rem; font-weight: 700; }
.product__price span { font-size: 0.85rem; color: var(--slate); font-weight: 500; }

.btn-add {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.72em 1.2em;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  transition: background 0.3s var(--ease), transform 0.3s var(--ease);
}
.btn-add:hover { background: var(--sky); transform: translateY(-1px); }
.btn-add svg { width: 17px; height: 17px; }

/* ---------- 15. Product modal ---------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  padding: 20px;
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.35s var(--ease), visibility 0.35s;
}
.modal.is-open { visibility: visible; opacity: 1; }
.modal__overlay { position: absolute; inset: 0; background: rgba(6, 17, 29, 0.55); backdrop-filter: blur(3px); }
.modal__panel {
  position: relative;
  z-index: 1;
  width: min(920px, 100%);
  max-height: 90vh;
  overflow: auto;
  background: #fff;
  border-radius: var(--radius-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  transform: translateY(24px) scale(0.98);
  transition: transform 0.4s var(--ease);
}
.modal.is-open .modal__panel { transform: translateY(0) scale(1); }
.modal__media { background: var(--haze); position: relative; min-height: 320px; }
.modal__media img { width: 100%; height: 100%; object-fit: cover; }
.modal__thumbs {
  position: absolute; left: 14px; bottom: 14px; display: flex; gap: 8px;
}
.modal__thumb {
  width: 52px; height: 52px; border-radius: 9px; overflow: hidden;
  border: 2px solid transparent; cursor: pointer; background: #fff;
  transition: border-color 0.25s ease;
}
.modal__thumb.is-active { border-color: var(--sky); }
.modal__thumb img { width: 100%; height: 100%; object-fit: cover; }
.modal__info { padding: clamp(26px, 3vw, 40px); display: flex; flex-direction: column; }
.modal__cat { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--sky); }
.modal__name { font-size: clamp(1.5rem, 2.4vw, 2rem); margin: 10px 0 14px; }
.modal__desc { color: var(--slate); }
.modal__price { font-family: var(--font-display); font-size: 1.7rem; font-weight: 800; margin: 20px 0; }
.modal__label { font-family: var(--font-display); font-weight: 600; font-size: 0.9rem; margin-bottom: 10px; display: block; }
.sizes { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.size {
  min-width: 46px; padding: 9px 12px; border-radius: 10px;
  border: 1.5px solid var(--line); background: #fff;
  font-family: var(--font-mono); font-size: 0.85rem; font-weight: 700;
  transition: all 0.2s ease;
}
.size:hover { border-color: var(--sky); }
.size.is-active { background: var(--ink); border-color: var(--ink); color: #fff; }
.modal__actions { margin-top: auto; display: flex; align-items: center; gap: 14px; }
.modal__close {
  position: absolute; top: 14px; right: 14px; z-index: 3;
  width: 40px; height: 40px; border-radius: 50%;
  background: rgba(255, 255, 255, 0.9); display: grid; place-items: center;
  box-shadow: var(--shadow-sm); transition: transform 0.3s var(--ease);
}
.modal__close:hover { transform: rotate(90deg); }

/* quantity stepper (shared) */
.qty {
  display: inline-flex;
  align-items: center;
  border: 1.5px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
}
.qty button {
  width: 40px; height: 42px;
  display: grid; place-items: center;
  color: var(--ink);
  transition: background 0.2s ease, color 0.2s ease;
}
.qty button:hover { background: var(--haze); color: var(--sky); }
.qty button:disabled { opacity: 0.35; cursor: not-allowed; }
.qty input {
  width: 48px; height: 42px; text-align: center; border: none; background: none;
  font-family: var(--font-body); font-weight: 700; font-size: 0.95rem;
  color: var(--ink); padding: 0; margin: 0; line-height: 42px; display: block;
  -moz-appearance: textfield; appearance: textfield;
}
.qty input::-webkit-outer-spin-button, .qty input::-webkit-inner-spin-button { -webkit-appearance: none; }

/* ---------- 16. Certificate form ---------- */
.cert {
  display: grid;
  grid-template-columns: 1fr 0.85fr;
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
}
.cert__aside { position: sticky; top: calc(var(--header-h) + 24px); }
.cert-card {
  position: relative;
  overflow: hidden;
  background: linear-gradient(155deg, var(--ink), var(--sky-deep));
  color: #fff;
  border-radius: var(--radius-lg);
  padding: clamp(28px, 3vw, 40px);
}
.cert-card__glow { position: absolute; width: 320px; height: 320px; border-radius: 50%; background: radial-gradient(circle, rgba(62,155,220,0.5), transparent 65%); top: -120px; right: -80px; filter: blur(10px); }
.cert-card__eyebrow { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--sky-glow); }
.cert-card__title { color: #fff; margin: 16px 0 14px; }
.cert-card ul { display: flex; flex-direction: column; gap: 14px; margin-top: 24px; }
.cert-card li { display: flex; gap: 12px; align-items: flex-start; color: rgba(233,243,251,0.9); font-size: 0.96rem; }
.cert-card li svg { width: 20px; height: 20px; flex: none; color: var(--sky-glow); margin-top: 2px; }
.cert-card__note { margin-top: 26px; padding-top: 20px; border-top: 1px solid var(--line-dark); font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.06em; color: var(--mist); }

.form { display: grid; gap: 20px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
}
.field label .opt { color: var(--slate); font-weight: 500; font-size: 0.82rem; }
.field .req { color: var(--sky); }
.field input, .field select, .field textarea {
  padding: 14px 16px;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  font-size: 1rem;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--sky);
  box-shadow: 0 0 0 4px rgba(62, 155, 220, 0.12);
}
.field textarea { resize: vertical; min-height: 110px; }
.field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2356697C' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 44px;
}
.field--error input, .field--error select { border-color: var(--rbf); }
.field__error { color: var(--rbf); font-size: 0.82rem; font-family: var(--font-mono); display: none; }
.field--error .field__error { display: block; }

.form__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 6px;
}
.form__total { font-family: var(--font-mono); font-size: 0.9rem; color: var(--slate); }
.form__total b { font-family: var(--font-display); font-size: 1.5rem; color: var(--ink); display: block; }

/* success state */
.form-success {
  display: none;
  text-align: center;
  padding: clamp(40px, 6vw, 72px) 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--cloud);
}
.form-success.is-shown { display: block; animation: fadeUp 0.6s var(--ease); }
.form-success__icon {
  width: 76px; height: 76px; margin: 0 auto 24px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--sky);
  color: #fff;
  box-shadow: var(--shadow-sky);
}
.form-success__icon svg { width: 38px; height: 38px; }
.form-success h3 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 14px; }
.form-success p { color: var(--slate); max-width: 44ch; margin: 0 auto 28px; }

/* ---------- 17. Cart drawer ---------- */
.cart {
  position: fixed;
  inset: 0;
  z-index: 300;
  visibility: hidden;
  pointer-events: none;
}
.cart.is-open { visibility: visible; pointer-events: auto; }
.cart__overlay {
  position: absolute; inset: 0;
  background: rgba(6, 17, 29, 0.5);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}
.cart.is-open .cart__overlay { opacity: 1; }
.cart__panel {
  position: absolute;
  top: 0; right: 0;
  height: 100%;
  width: min(440px, 100%);
  background: #fff;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.5s var(--ease);
  box-shadow: -30px 0 80px -30px rgba(6, 17, 29, 0.5);
}
.cart.is-open .cart__panel { transform: translateX(0); }
.cart__head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 24px clamp(20px, 3vw, 28px);
  border-bottom: 1px solid var(--line);
}
.cart__head h3 { font-size: 1.3rem; }
.cart__head span { font-family: var(--font-mono); font-size: 0.72rem; color: var(--slate); letter-spacing: 0.08em; }
.cart__close { width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; transition: background 0.25s ease, transform 0.3s var(--ease); }
.cart__close:hover { background: var(--haze); transform: rotate(90deg); }
.cart__body { flex: 1; overflow-y: auto; padding: clamp(16px, 2.5vw, 24px); display: flex; flex-direction: column; gap: 14px; }

.cart-item {
  display: grid;
  grid-template-columns: 76px 1fr auto;
  gap: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  animation: fadeUp 0.4s var(--ease);
}
.cart-item__media { width: 76px; height: 90px; border-radius: 10px; overflow: hidden; background: var(--haze); }
.cart-item__media img { width: 100%; height: 100%; object-fit: cover; }
.cart-item__info { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.cart-item__name { font-family: var(--font-display); font-weight: 700; font-size: 0.98rem; line-height: 1.3; }
.cart-item__meta { font-family: var(--font-mono); font-size: 0.7rem; color: var(--slate); letter-spacing: 0.04em; }
.cart-item__price { font-family: var(--font-display); font-weight: 700; color: var(--ink); margin-top: 4px; }
.cart-item__side { display: flex; flex-direction: column; align-items: flex-end; justify-content: space-between; }
.cart-item__remove { font-family: var(--font-mono); font-size: 0.7rem; color: var(--slate); transition: color 0.2s ease; display: inline-flex; align-items: center; gap: 4px; }
.cart-item__remove:hover { color: var(--rbf); }
.cart-item__remove svg { width: 14px; height: 14px; }
.cart .qty { transform: scale(0.86); transform-origin: right; }

.cart__empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 16px;
  color: var(--slate);
  padding: 40px 20px;
}
.cart__empty svg { width: 56px; height: 56px; color: var(--mist); }
.cart__empty h4 { font-family: var(--font-display); font-size: 1.2rem; color: var(--ink); }

.cart__foot {
  padding: clamp(20px, 3vw, 28px);
  border-top: 1px solid var(--line);
  display: grid;
  gap: 16px;
  background: var(--cloud);
}
.cart__total { display: flex; align-items: baseline; justify-content: space-between; }
.cart__total span { color: var(--slate); font-size: 0.95rem; }
.cart__total b { font-family: var(--font-display); font-size: 1.6rem; font-weight: 800; }
.cart__note { font-family: var(--font-mono); font-size: 0.68rem; color: var(--slate); text-align: center; letter-spacing: 0.04em; }

/* ---------- 18. Toast ---------- */
.toasts {
  position: fixed;
  bottom: 24px; left: 50%;
  transform: translateX(-50%);
  z-index: 400;
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: min(360px, calc(100vw - 32px));
  pointer-events: none;
}
.toast {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--ink);
  color: #fff;
  border-radius: 14px;
  box-shadow: var(--shadow-lg);
  font-size: 0.94rem;
  transform: translateY(20px);
  opacity: 0;
  animation: toastIn 0.4s var(--ease) forwards;
}
.toast.out { animation: toastOut 0.35s var(--ease) forwards; }
.toast svg { width: 20px; height: 20px; color: var(--sky-glow); flex: none; }
@keyframes toastIn { to { transform: translateY(0); opacity: 1; } }
@keyframes toastOut { to { transform: translateY(20px); opacity: 0; } }

/* ---------- 19. Reveal animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  transition-delay: calc(var(--i, 0) * 90ms);
}
.reveal.is-visible { opacity: 1; transform: none; }

@keyframes fadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }

/* hero load sequence */
.hero-load { opacity: 0; transform: translateY(24px); }
.hero.is-ready .hero-load { animation: heroIn 0.9s var(--ease) forwards; }
.hero.is-ready .hero-load:nth-child(1) { animation-delay: 0.1s; }
.hero.is-ready .hero-load:nth-child(2) { animation-delay: 0.22s; }
.hero.is-ready .hero-load:nth-child(3) { animation-delay: 0.34s; }
.hero.is-ready .hero-load:nth-child(4) { animation-delay: 0.46s; }
.hero.is-ready .hero-load:nth-child(5) { animation-delay: 0.58s; }
@keyframes heroIn { to { opacity: 1; transform: none; } }

/* ---------- 20. Responsive ---------- */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; }
  .altimeter { display: none; }
  .intro__grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 32px 20px; }
  .cert { grid-template-columns: 1fr; }
  .cert__aside { position: static; order: -1; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .footer__top { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  :root { --header-h: 66px; }
  .nav__links { display: none; }
  .nav__toggle {
    display: grid; place-items: center;
    width: 44px; height: 44px; border-radius: 12px;
    border: 1.5px solid var(--line-dark);
  }
  .header.is-solid .nav__toggle { border-color: var(--line); }
  .nav__toggle svg { width: 22px; height: 22px; }

  /* mobile menu */
  .nav__links.is-open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--header-h); left: 0; right: 0;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(16px);
    padding: 20px var(--gutter) 28px;
    gap: 4px;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    animation: fadeUp 0.3s var(--ease);
  }
  .nav__links.is-open .nav__link { color: var(--ink); font-size: 1.1rem; padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav__links.is-open .nav__link::after { display: none; }

  .hero { align-items: center; }
  .hero__meta { gap: 24px; }
  .hero__actions { flex-direction: column; align-items: stretch; width: 100%; }
  .hero__actions .btn { width: 100%; }
  .modal__panel { grid-template-columns: 1fr; }
  .modal__media { min-height: 260px; aspect-ratio: 4/3; }
  .form__row { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr; }
  .cart__panel { width: 100%; }
  .cart-item { grid-template-columns: 64px 1fr auto; }
  .cart-item__media { width: 64px; height: 76px; }
}

@media (max-width: 420px) {
  .gallery { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .hero__actions .btn { flex: 1; }
}

/* ---------- 21. Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal, .hero-load { opacity: 1 !important; transform: none !important; }
  .hero__cloud { animation: none !important; }
}

/* ---------- 22. Print ---------- */
@media print {
  .header, .cart, .toasts, .hero__scroll { display: none; }
}

/* ---------- 23. Anchor offset & prose (legal) ---------- */
section[id] { scroll-margin-top: calc(var(--header-h) + 24px); }

.prose { max-width: 760px; }
.prose h2 { font-size: clamp(1.3rem, 2.2vw, 1.7rem); margin: 40px 0 14px; }
.prose h2:first-child { margin-top: 0; }
.prose p { color: var(--slate); margin-bottom: 14px; }
.prose ul { margin: 0 0 18px; display: flex; flex-direction: column; gap: 10px; }
.prose li { color: var(--slate); padding-left: 22px; position: relative; }
.prose li::before { content: ""; position: absolute; left: 0; top: 11px; width: 7px; height: 7px; background: var(--sky); transform: rotate(45deg); }
.prose a { color: var(--sky); text-decoration: underline; text-underline-offset: 3px; }
.prose__meta { font-family: var(--font-mono); font-size: 0.78rem; color: var(--mist); letter-spacing: 0.04em; margin-bottom: 8px; }

/* ---------- 24. 404 ---------- */
.notfound { position: relative; min-height: 100vh; display: grid; place-items: center; padding: 40px 24px; background: radial-gradient(120% 90% at 50% -10%, var(--sky-deep) 0%, var(--ink) 45%, var(--night) 100%); overflow: hidden; }
.notfound__inner { position: relative; z-index: 2; max-width: 640px; text-align: center; color: #fff; }
.notfound .eyebrow { color: var(--sky-glow); justify-content: center; }
.notfound .lead { color: rgba(255,255,255,0.72); margin-inline: auto; }
.notfound__code { font-family: var(--font-display); font-weight: 800; font-size: clamp(5rem, 22vw, 12rem); line-height: 0.9; letter-spacing: -0.04em; background: linear-gradient(180deg, #fff, var(--sky-glow)); -webkit-background-clip: text; background-clip: text; color: transparent; margin: 8px 0 4px; }
.notfound__title { color: #fff; margin-bottom: 14px; }
.notfound .cta__actions { justify-content: center; margin-top: 26px; }
.notfound__cloud { position: absolute; border-radius: 50%; filter: blur(48px); opacity: 0.5; z-index: 1; }
.notfound__cloud--a { width: 420px; height: 420px; background: var(--sky); top: -120px; left: -80px; animation: drift 34s linear infinite alternate; }
.notfound__cloud--b { width: 360px; height: 360px; background: var(--sky-deep); bottom: -120px; right: -60px; animation: drift 44s linear infinite alternate-reverse; }
@media (prefers-reduced-motion: reduce) { .notfound__cloud { animation: none; } }

/* ---------- 25. Неактивные кнопки (нет в наличии) ---------- */
.btn-add--soon,
.btn:disabled,
.btn-add:disabled {
  background: var(--haze);
  color: var(--slate);
  border-color: transparent;
  cursor: not-allowed;
  box-shadow: none;
  pointer-events: none;
}
.btn-add--soon:hover,
.btn:disabled:hover { transform: none; }