/* =========================================================================
   GeoProject — Авторизованный учебный центр Autodesk
   Единая таблица стилей сайта. Design language: "Blueprint Engineering".
   Все цвета, типографика и компоненты определены здесь — единый источник правды.
   ========================================================================= */

/* -------------------------------------------------------------------------
   1. Design tokens
   ------------------------------------------------------------------------- */
:root {
  /* Ink / navy / blue */
  --ink: #0B1A2E;
  --ink-2: #0F2742;
  --navy: #16335C;
  --blue: #2D6CDF;
  --blue-50: #EAF1FC;

  /* Accent */
  --accent: #FF6A2B;
  --accent-600: #E85A1F;
  --accent-50: #FFF1EA;
  /* Darker accent for ORANGE TEXT on light surfaces (WCAG AA ~4.9:1 on #fff).
     Use --accent for fills/large display on dark; --accent-text for small text on light. */
  --accent-text: #C2410C;

  /* Surfaces / backgrounds */
  --bg: #F6F8FB;
  --surface: #FFFFFF;
  --surface-2: #F0F4F9;

  /* Text */
  --text: #0B1A2E;
  --muted: #5B6B7F;
  --muted-2: #8696A8;

  /* Lines / status */
  --line: #E4E9F0;
  --line-dark: rgba(255, 255, 255, .12);
  --success: #1FA971;
  --warn: #E6A700;
  --danger: #D8412F;

  /* Radii */
  --radius: 14px;
  --radius-lg: 22px;
  --radius-sm: 9px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(11, 26, 46, .06), 0 1px 3px rgba(11, 26, 46, .08);
  --shadow: 0 8px 30px rgba(11, 26, 46, .10);
  --shadow-lg: 0 20px 60px rgba(11, 26, 46, .16);

  /* Layout */
  --container: 1200px;
  --gutter: clamp(16px, 4vw, 28px);

  /* Fluid type */
  --h1: clamp(2.1rem, 1.2rem + 3.6vw, 3.6rem);
  --h2: clamp(1.6rem, 1.1rem + 2vw, 2.5rem);
  --h3: clamp(1.2rem, 1rem + .8vw, 1.6rem);
  --lead: clamp(1.05rem, 1rem + .4vw, 1.25rem);

  /* Fonts */
  --font-head: "Space Grotesk", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Header height (used for scroll offset) */
  --header-h: 76px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--blue);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  line-height: 1.1;
  color: var(--ink);
  margin: 0 0 .5em;
  font-weight: 600;
  letter-spacing: -.01em;
}

h1 { font-size: var(--h1); }
h2 { font-size: var(--h2); }
h3 { font-size: var(--h3); }

p { margin: 0 0 1em; }

ul, ol { margin: 0 0 1em; padding-left: 1.2em; }

button { font-family: inherit; }

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

/* -------------------------------------------------------------------------
   3. Layout primitives
   ------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container-narrow {
  max-width: 760px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: clamp(48px, 7vw, 96px);
  position: relative;
}

.section--dark {
  background: var(--ink);
  color: #DDE6F2;
  position: relative;
  overflow: hidden;
}

.section--dark h1,
.section--dark h2,
.section--dark h3 {
  color: #fff;
}

/* Blueprint grid overlay for dark sections */
.section--dark::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, rgba(255, 255, 255, .045) 0 1px, transparent 1px 28px),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, .045) 0 1px, transparent 1px 28px);
  pointer-events: none;
  z-index: 0;
}

.section--dark > .container {
  position: relative;
  z-index: 1;
}

.grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 28px);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.divider {
  border: 0;
  border-top: 1px solid var(--line);
  margin-block: clamp(32px, 5vw, 56px);
}

.section--dark .divider {
  border-color: var(--line-dark);
}

/* -------------------------------------------------------------------------
   4. Eyebrow / kicker + section head
   ------------------------------------------------------------------------- */
.eyebrow {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: .78rem;
  font-weight: 500;
  color: var(--blue);
  margin: 0 0 .75rem;
  display: inline-flex;
  align-items: center;
  gap: .55em;
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: currentColor;
  opacity: .6;
}

.eyebrow--accent { color: var(--accent-text); }

.section--dark .eyebrow { color: #6CA0F0; }

.section-head {
  max-width: 720px;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.section-head--center {
  margin-inline: auto;
  text-align: center;
}

.section-head__title {
  margin: 0 0 .4em;
}

.section-head__sub {
  font-size: var(--lead);
  color: var(--muted);
  margin: 0;
}

.section--dark .section-head__sub { color: #AEC0D8; }

/* -------------------------------------------------------------------------
   5. Buttons
   ------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5em;
  font-family: var(--font-head);
  font-weight: 500;
  font-size: 1rem;
  line-height: 1;
  padding: .85em 1.4em;
  min-height: 44px;
  border-radius: var(--radius-sm);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
  text-decoration: none;
  white-space: nowrap;
}

.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }

.btn--primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 6px 18px rgba(255, 106, 43, .28);
}
.btn--primary:hover {
  background: var(--accent-600);
  box-shadow: 0 10px 26px rgba(255, 106, 43, .34);
  transform: translateY(-1px);
}

.btn--secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn--secondary:hover {
  border-color: var(--blue);
  color: var(--blue);
}

.section--dark .btn--secondary {
  color: #fff;
  border-color: var(--line-dark);
}
.section--dark .btn--secondary:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, .06);
}

.btn--ghost {
  background: transparent;
  color: var(--blue);
  border-color: transparent;
  padding-inline: .6em;
}
.btn--ghost:hover { color: var(--accent); }

.btn--lg {
  font-size: 1.08rem;
  padding: 1.05em 1.7em;
  min-height: 52px;
}

.btn--block {
  display: flex;
  width: 100%;
}

/* WhatsApp inline button variant */
.btn--wa {
  background: #fff;
  color: var(--ink);
  border-color: var(--line);
}
.section--dark .btn--wa { background: rgba(255,255,255,.06); color:#fff; border-color: var(--line-dark); }
.btn--wa svg { width: 18px; height: 18px; }

/* Disabled buttons — visually distinct and non-interactive (e.g. demo payment button) */
.btn:disabled,
.btn[disabled],
.btn[aria-disabled="true"] {
  opacity: .5;
  cursor: not-allowed;
  box-shadow: none;
  filter: grayscale(.25);
  transform: none;
}
.btn:disabled:hover,
.btn[disabled]:hover,
.btn[aria-disabled="true"]:hover {
  transform: none;
  box-shadow: none;
}

/* -------------------------------------------------------------------------
   6. Badges & tags
   ------------------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: .4em;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .04em;
  text-transform: uppercase;
  padding: .4em .7em;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
  line-height: 1;
}

.badge--accredited {
  background: var(--blue-50);
  border-color: rgba(45, 108, 223, .25);
  color: var(--navy);
}
.badge--level {
  background: var(--surface-2);
  border-color: var(--line);
  color: var(--ink-2);
}
.badge--product {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}
.badge--soft {
  background: var(--accent-50);
  border-color: rgba(255, 106, 43, .25);
  color: var(--accent-600);
}

.badge svg { width: 13px; height: 13px; }

.tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--muted);
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: .25em .55em;
  line-height: 1.3;
}

/* -------------------------------------------------------------------------
   7. Cards (generic + variants)
   ------------------------------------------------------------------------- */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: clamp(20px, 2.4vw, 28px);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.card--hover:hover,
a.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: rgba(45, 108, 223, .3);
  text-decoration: none;
}

/* ---- Cover with blueprint product gradient ---- */
.cover {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: linear-gradient(135deg, var(--ink), var(--navy));
  display: flex;
  align-items: flex-end;
  padding: 14px;
  color: #fff;
}

.cover::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, rgba(255, 255, 255, .07) 0 1px, transparent 1px 24px),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, .07) 0 1px, transparent 1px 24px);
  pointer-events: none;
}

.cover::after {
  /* corner tick */
  content: "";
  position: absolute;
  top: 12px;
  right: 12px;
  width: 14px;
  height: 14px;
  border-top: 1.5px solid rgba(255, 255, 255, .5);
  border-right: 1.5px solid rgba(255, 255, 255, .5);
}

.cover__icon {
  position: absolute;
  top: 14px;
  left: 14px;
  width: 34px;
  height: 34px;
  opacity: .9;
}
.cover__icon svg { width: 100%; height: 100%; }

.cover__label {
  position: relative;
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  background: rgba(11, 26, 46, .55);
  border: 1px solid rgba(255, 255, 255, .18);
  padding: .35em .6em;
  border-radius: 6px;
  backdrop-filter: blur(4px);
}

/* Product-tinted gradients */
.cover[data-product="revit"]    { background: linear-gradient(135deg, #0B1A2E, #16335C 70%, #1E4E86); }
.cover[data-product="autocad"]  { background: linear-gradient(135deg, #0B1A2E, #102C46 70%, #C8412A); }
.cover[data-product="civil3d"]  { background: linear-gradient(135deg, #08231C, #0F2742 70%, #1FA971); }
.cover[data-product="inventor"] { background: linear-gradient(135deg, #0B1A2E, #1A2740 70%, #5B4DC0); }
.cover[data-product="max"]      { background: linear-gradient(135deg, #1A1130, #16335C 75%, #2D6CDF); }

/* ---- Course card ---- */
.course-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  height: 100%;
}
.course-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: rgba(45, 108, 223, .3);
}

.course-card__cover { padding: 14px 14px 0; }
.course-card__cover .cover { aspect-ratio: 16 / 8; }

.course-card__body {
  padding: 16px clamp(16px, 2vw, 22px) clamp(16px, 2vw, 22px);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.course-card__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}

.course-card__title {
  font-size: 1.18rem;
  margin: 0 0 .4em;
}
.course-card__title a { color: var(--ink); }
.course-card__title a:hover { color: var(--blue); text-decoration: none; }

.course-card__short {
  color: var(--muted);
  font-size: .94rem;
  margin: 0 0 16px;
}

.course-card__meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: .86rem;
  color: var(--muted);
  margin: auto 0 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}
.course-card__meta-row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
}
.course-card__meta-row strong { color: var(--ink-2); font-weight: 500; }

.course-card__price {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 14px;
}
.course-card__price-now {
  font-family: var(--font-head);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--ink);
}
.course-card__price-old {
  font-size: .95rem;
  color: var(--muted-2);
  text-decoration: line-through;
}

/* ---- License card ---- */
.license-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: clamp(20px, 2.4vw, 28px);
  height: 100%;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.license-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.license-card.is-popular { border-color: rgba(45, 108, 223, .4); }
.license-card__flag {
  position: absolute;
  top: -11px;
  right: 18px;
  background: var(--blue);
  color: #fff;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  padding: .35em .7em;
  border-radius: 999px;
}
.license-card__name { font-size: 1.2rem; margin: 0 0 .3em; }
.license-card__cat { font-family: var(--font-mono); font-size: .74rem; color: var(--blue); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 12px; }
.license-card__desc { color: var(--muted); font-size: .92rem; }
.license-card__features { list-style: none; padding: 0; margin: 0 0 18px; display: flex; flex-direction: column; gap: 8px; }
.license-card__features li { position: relative; padding-left: 24px; font-size: .9rem; }
.license-card__features li::before {
  content: ""; position: absolute; left: 0; top: 4px; width: 15px; height: 15px;
  background: var(--blue-50); border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232D6CDF' stroke-width='3'%3E%3Cpath d='M5 12l4 4 10-10'/%3E%3C/svg%3E");
  background-size: 11px; background-position: center; background-repeat: no-repeat;
}
.license-card__price { margin-top: auto; padding-top: 16px; border-top: 1px dashed var(--line); }
.license-card__price-val { font-family: var(--font-head); font-size: 1.2rem; font-weight: 600; color: var(--ink); margin-bottom: 12px; }

/* ---- Case card ---- */
.case-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  height: 100%;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.case-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: rgba(45,108,223,.3); }
.case-card__cover { padding: 14px 14px 0; }
.case-card__body { padding: 16px clamp(16px,2vw,22px) clamp(16px,2vw,22px); display:flex; flex-direction: column; flex:1; }
.case-card__meta { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 10px; }
.case-card__title { font-size: 1.12rem; margin: 0 0 .35em; }
.case-card__short { color: var(--muted); font-size: .92rem; margin: 0 0 14px; }
.case-card__result {
  margin-top: auto; font-size: .88rem; color: var(--ink-2);
  background: var(--surface-2); border-radius: var(--radius-sm); padding: 12px 14px;
  border-left: 3px solid var(--success);
}
.case-card__result span { display:block; font-family: var(--font-mono); font-size: .68rem; text-transform: uppercase; letter-spacing: .06em; color: var(--success); margin-bottom: 4px; }

/* ---- Review card ---- */
.review-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: clamp(20px, 2.4vw, 28px);
  display: flex;
  flex-direction: column;
  height: 100%;
}
.review-card__stars { color: var(--accent); font-size: .95rem; letter-spacing: 2px; margin-bottom: 12px; }
.review-card__text { font-size: .98rem; color: var(--ink-2); margin: 0 0 18px; }
.review-card__who { display: flex; align-items: center; gap: 12px; margin-top: auto; }
.review-card__avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--ink); color: #fff; display: grid; place-items: center;
  font-family: var(--font-head); font-weight: 600; font-size: .95rem; flex-shrink: 0;
}
.review-card__name { font-weight: 600; color: var(--ink); font-size: .95rem; }
.review-card__role { font-size: .82rem; color: var(--muted); }

/* ---- Stat ---- */
.stat { text-align: center; }
.stat__value {
  font-family: var(--font-head);
  font-size: clamp(1.9rem, 1.2rem + 2.4vw, 3rem);
  font-weight: 600;
  color: var(--ink);
  line-height: 1;
  letter-spacing: -.02em;
}
.section--dark .stat__value { color: #fff; }
.stat__label { font-size: .9rem; color: var(--muted); margin-top: .5em; }
.section--dark .stat__label { color: #AEC0D8; }

.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(16px, 3vw, 36px);
}
.stat-row .stat + .stat { position: relative; }

/* -------------------------------------------------------------------------
   8. Header / nav
   ------------------------------------------------------------------------- */
.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 200;
  background: var(--ink);
  color: #fff;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  transition: top .2s ease;
}
.skip-link:focus { top: 12px; }

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .82);
  backdrop-filter: saturate(150%) blur(12px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .2s ease, background .2s ease;
}
.header.is-scrolled {
  box-shadow: var(--shadow-sm);
  background: rgba(255, 255, 255, .94);
}

.header__inner {
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: var(--header-h);
  transition: min-height .2s ease;
}
.header.is-scrolled .header__inner { min-height: 64px; }

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  text-decoration: none;
}
.brand:hover { text-decoration: none; }
.brand__mark { width: 34px; height: 34px; flex-shrink: 0; }
.brand__text { display: flex; flex-direction: column; line-height: 1.1; }
.brand__name { font-family: var(--font-head); font-weight: 700; font-size: 1.12rem; color: var(--ink); letter-spacing: -.01em; }
.brand__sub { font-family: var(--font-mono); font-size: .58rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}
.nav__link {
  font-family: var(--font-head);
  font-size: .95rem;
  font-weight: 500;
  color: var(--ink-2);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  position: relative;
}
.nav__link:hover { color: var(--blue); background: var(--blue-50); text-decoration: none; }
.nav__link.is-active { color: var(--blue); }
.nav__link.is-active::after {
  content: ""; position: absolute; left: 12px; right: 12px; bottom: 2px; height: 2px;
  background: var(--accent); border-radius: 2px;
}

.header__cta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.header__wa {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--line);
  color: var(--success);
}
.header__wa:hover { border-color: var(--success); background: #EAF8F1; text-decoration: none; }
.header__wa svg { width: 20px; height: 20px; }

.menu-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 1.5px solid var(--line);
  background: var(--surface);
  border-radius: var(--radius-sm);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  margin-left: auto;
}
.menu-toggle__bar, .menu-toggle__bar::before, .menu-toggle__bar::after {
  content: ""; display: block; width: 20px; height: 2px; background: var(--ink); border-radius: 2px;
  transition: transform .2s ease, opacity .2s ease;
}
.menu-toggle__bar { position: relative; }
.menu-toggle__bar::before { position: absolute; top: -6px; }
.menu-toggle__bar::after { position: absolute; top: 6px; }
.menu-toggle[aria-expanded="true"] .menu-toggle__bar { background: transparent; }
.menu-toggle[aria-expanded="true"] .menu-toggle__bar::before { transform: translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle__bar::after { transform: translateY(-6px) rotate(-45deg); }

/* Mobile drawer */
.drawer {
  position: fixed;
  inset: 0;
  z-index: 150;
  visibility: hidden;
  pointer-events: none;
}
.drawer.is-open { visibility: visible; pointer-events: auto; }
.drawer__overlay {
  position: absolute; inset: 0;
  background: rgba(11, 26, 46, .5);
  opacity: 0; transition: opacity .25s ease;
}
.drawer.is-open .drawer__overlay { opacity: 1; }
.drawer__panel {
  position: absolute; top: 0; right: 0; bottom: 0;
  width: min(86vw, 360px);
  background: var(--surface);
  padding: 22px var(--gutter);
  display: flex; flex-direction: column; gap: 6px;
  transform: translateX(100%);
  transition: transform .25s ease;
  overflow-y: auto;
}
.drawer.is-open .drawer__panel { transform: translateX(0); }
.drawer__head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.drawer__close {
  width: 44px; height: 44px; border: 1.5px solid var(--line); background: var(--surface);
  border-radius: var(--radius-sm); cursor: pointer; font-size: 1.4rem; color: var(--ink); line-height: 1;
}
.drawer__link {
  position: relative;
  font-family: var(--font-head); font-weight: 500; font-size: 1.05rem; color: var(--ink);
  padding: 12px 8px; border-radius: var(--radius-sm); border-bottom: 1px solid var(--line);
}
.drawer__link:hover, .drawer__link.is-active { color: var(--blue); text-decoration: none; }
.drawer__link.is-active { font-weight: 600; }
.drawer__link.is-active::before {
  content: ""; position: absolute; left: -2px; top: 10px; bottom: 10px;
  width: 3px; border-radius: 3px; background: var(--accent);
}
.drawer__actions { margin-top: 18px; display: flex; flex-direction: column; gap: 10px; }

/* -------------------------------------------------------------------------
   9. Hero
   ------------------------------------------------------------------------- */
.hero {
  background: var(--ink);
  color: #DDE6F2;
  position: relative;
  overflow: hidden;
  padding-block: clamp(56px, 9vw, 120px);
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    repeating-linear-gradient(0deg, rgba(255, 255, 255, .045) 0 1px, transparent 1px 28px),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, .045) 0 1px, transparent 1px 28px);
  -webkit-mask-image: radial-gradient(120% 100% at 70% 0%, #000 40%, transparent 100%);
          mask-image: radial-gradient(120% 100% at 70% 0%, #000 40%, transparent 100%);
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute; right: -10%; top: -20%;
  width: 60%; height: 140%;
  background: radial-gradient(circle at center, rgba(45, 108, 223, .35), transparent 60%);
  filter: blur(20px);
  pointer-events: none;
}
.hero > .container { position: relative; z-index: 1; }

.hero__grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}

.hero h1 { color: #fff; margin-bottom: .35em; }
.hero h1 .accent { color: var(--accent); }
.hero__lead {
  font-size: var(--lead);
  color: #B7C8E0;
  max-width: 46ch;
  margin-bottom: 28px;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

.hero__panel {
  background: rgba(255, 255, 255, .04);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-lg);
  padding: clamp(22px, 3vw, 32px);
  position: relative;
}
.hero__panel::before, .hero__panel::after {
  content: ""; position: absolute; width: 16px; height: 16px;
}
.hero__panel::before { top: 14px; left: 14px; border-top: 1.5px solid rgba(255,255,255,.35); border-left: 1.5px solid rgba(255,255,255,.35); }
.hero__panel::after { bottom: 14px; right: 14px; border-bottom: 1.5px solid rgba(255,255,255,.35); border-right: 1.5px solid rgba(255,255,255,.35); }
.hero__panel-label { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: #6CA0F0; margin-bottom: 16px; }
.hero__panel-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 14px; }
.hero__panel-list li { display: flex; gap: 12px; align-items: flex-start; color: #DDE6F2; font-size: .95rem; }
.hero__panel-list svg { width: 20px; height: 20px; flex-shrink: 0; color: var(--accent); margin-top: 1px; }

/* Trust bar (logos / strip) */
.trust-bar {
  display: flex; flex-wrap: wrap; gap: 18px 36px; align-items: center;
  padding-top: 28px; margin-top: 32px; border-top: 1px solid var(--line-dark);
}
.trust-bar__item { display: flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: .8rem; letter-spacing: .04em; color: #9FB4D0; }
.trust-bar__item svg { width: 16px; height: 16px; color: var(--success); }

/* -------------------------------------------------------------------------
   10. Product / direction cards
   ------------------------------------------------------------------------- */
.product-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: clamp(20px, 2.4vw, 26px);
  height: 100%;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.product-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: rgba(45,108,223,.3); text-decoration: none; }
.product-card__icon {
  width: 52px; height: 52px; border-radius: var(--radius-sm);
  background: var(--ink); display: grid; place-items: center; color: #fff;
}
.product-card__icon svg { width: 28px; height: 28px; }
.product-card__name { font-family: var(--font-head); font-weight: 600; font-size: 1.15rem; color: var(--ink); }
.product-card__tagline { color: var(--muted); font-size: .92rem; }
.product-card__more { margin-top: auto; font-family: var(--font-mono); font-size: .8rem; color: var(--blue); letter-spacing: .03em; display: inline-flex; align-items: center; gap: 6px; }
.product-card:hover .product-card__more { color: var(--accent-text); }

/* Process / "how it works" feature */
.feature {
  display: flex; flex-direction: column; gap: 12px;
}
.feature__num { font-family: var(--font-mono); font-size: .8rem; color: var(--blue); letter-spacing: .08em; }
.feature__icon { width: 48px; height: 48px; border-radius: var(--radius-sm); background: var(--blue-50); display: grid; place-items: center; color: var(--blue); }
.feature__icon svg { width: 26px; height: 26px; }
.feature__title { font-family: var(--font-head); font-weight: 600; font-size: 1.1rem; color: var(--ink); }
.feature__text { color: var(--muted); font-size: .94rem; margin: 0; }

/* -------------------------------------------------------------------------
   11. Filters (catalog)
   ------------------------------------------------------------------------- */
.filters {
  display: flex;
  flex-direction: column;
  gap: 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(16px, 2vw, 22px);
  box-shadow: var(--shadow-sm);
  margin-bottom: 28px;
}
/* Catalog search box */
.filters__search { position: relative; display: flex; align-items: center; }
.filters__search-icon { position: absolute; left: 14px; width: 18px; height: 18px; color: var(--muted-2); pointer-events: none; }
.filters__search input {
  width: 100%; font-family: var(--font-body); font-size: 1rem; color: var(--text);
  background: var(--surface-2); border: 1.5px solid var(--line); border-radius: var(--radius-sm);
  padding: .75em .85em .75em 42px; min-height: 48px;
  transition: border-color .15s ease, box-shadow .15s ease, background .15s ease;
}
.filters__search input:focus { outline: none; background: var(--surface); border-color: var(--blue); box-shadow: 0 0 0 3px rgba(45, 108, 223, .15); }
.filters__search input::placeholder { color: var(--muted-2); }
.filters__search input::-webkit-search-cancel-button { -webkit-appearance: none; }
.filters__search-clear {
  position: absolute; right: 10px; display: grid; place-items: center;
  width: 30px; height: 30px; border: none; border-radius: 50%; background: var(--line);
  color: var(--ink-2); font-size: 1.2rem; line-height: 1; cursor: pointer; transition: background .15s ease;
}
.filters__search-clear:hover { background: var(--muted-2); color: #fff; }

.filter-group { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.filter-group__label {
  font-family: var(--font-mono); font-size: .74rem; text-transform: uppercase;
  letter-spacing: .08em; color: var(--muted); min-width: 84px;
}
.filters__row { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font-family: var(--font-head); font-size: .9rem; font-weight: 500;
  color: var(--ink-2); background: var(--surface-2);
  border: 1.5px solid var(--line); border-radius: 999px;
  padding: .5em 1em; min-height: 40px; cursor: pointer;
  transition: background .15s ease, color .15s ease, border-color .15s ease;
}
.chip:hover { border-color: var(--blue); color: var(--blue); }
.chip[aria-pressed="true"] { background: var(--ink); color: #fff; border-color: var(--ink); }

.filters__foot { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; border-top: 1px solid var(--line); padding-top: 16px; }
.filters__count { font-size: .9rem; color: var(--muted); }
.filters__count strong { color: var(--ink); }
.filters__foot-right { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.filters__sort { display: inline-flex; align-items: center; gap: 8px; }
.filters__sort-label { font-family: var(--font-mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.filters__sort select {
  font-family: var(--font-body); font-size: .9rem; color: var(--ink-2);
  background: var(--surface-2); border: 1.5px solid var(--line); border-radius: var(--radius-sm);
  padding: .5em 2em .5em .8em; min-height: 40px; cursor: pointer;
  appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%235B6B7F' stroke-width='3'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right .7em center;
}
.filters__sort select:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(45, 108, 223, .15); }
.filters__reset { background: none; border: none; color: var(--blue); cursor: pointer; font-size: .9rem; padding: 6px; min-height: 40px; }
.filters__reset:hover { color: var(--accent-text); text-decoration: underline; }

.catalog-empty {
  text-align: center;
  padding: clamp(40px, 7vw, 72px) 20px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--muted);
}
.catalog-empty h3 { color: var(--ink); margin: 0 0 .3em; }
.catalog-empty__icon { display: inline-grid; place-items: center; width: 56px; height: 56px; margin-bottom: 14px; border-radius: 50%; background: var(--surface-2); color: var(--muted-2); }
.catalog-empty__icon svg { width: 26px; height: 26px; }
.catalog-empty__summary { color: var(--ink-2); font-weight: 500; margin: 0 0 .4em; }
.catalog-empty__summary:empty { display: none; }
.catalog-empty__actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 18px; }

/* Catalog scroll offset so auto-scroll-to-results clears the sticky header */
#courses-grid, [data-catalog-empty] { scroll-margin-top: 96px; }

/* Loading skeleton (perceived performance while courses.json loads) */
.course-card--skeleton { pointer-events: none; }
.skeleton { position: relative; overflow: hidden; background: var(--surface-2); border-radius: 6px; }
.skeleton::after { content: ""; position: absolute; inset: 0; transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .65), transparent);
  animation: skeleton-shimmer 1.3s infinite; }
.skeleton--cover { aspect-ratio: 16 / 8; margin: 14px 14px 16px; border-radius: var(--radius-sm); }
.course-card--skeleton .course-card__body { display: grid; gap: 12px; }
.skeleton--chip { width: 40%; height: 22px; border-radius: 999px; }
.skeleton--title { width: 85%; height: 22px; }
.skeleton--text { width: 100%; height: 13px; }
.skeleton--price { width: 45%; height: 24px; margin-top: 4px; }
.skeleton--btn { width: 100%; height: 44px; border-radius: var(--radius-sm); margin-top: 4px; }
@keyframes skeleton-shimmer { 100% { transform: translateX(100%); } }

/* Premium card hover: keep the lift, add a subtle inner border glow (pointer devices only) */
@media (hover: hover) {
  .course-card:hover, .license-card:hover, .case-card:hover {
    box-shadow: var(--shadow), inset 0 0 0 1.5px rgba(45, 108, 223, .28);
  }
  .product-card:hover .product-card__more { transform: translateX(4px); }
}
.product-card__more { transition: color .2s ease, transform .25s ease; }

/* Form: shift label colour while the field is focused (clear active-field feedback) */
.field:focus-within label { color: var(--blue); }

/* -------------------------------------------------------------------------
   12. Accordion (FAQ)
   ------------------------------------------------------------------------- */
.accordion { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); overflow: hidden; box-shadow: var(--shadow-sm); }
.accordion__item + .accordion__item { border-top: 1px solid var(--line); }
.accordion__q {
  width: 100%; text-align: left; background: none; border: none; cursor: pointer;
  font-family: var(--font-head); font-weight: 500; font-size: 1.05rem; color: var(--ink);
  padding: clamp(16px, 2vw, 22px); display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.accordion__q:hover { color: var(--blue); }
.accordion__icon { flex-shrink: 0; width: 22px; height: 22px; position: relative; }
.accordion__icon::before, .accordion__icon::after {
  content: ""; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  background: currentColor; transition: transform .2s ease;
}
.accordion__icon::before { width: 14px; height: 2px; }
.accordion__icon::after { width: 2px; height: 14px; }
.accordion__q[aria-expanded="true"] .accordion__icon::after { transform: translate(-50%, -50%) scaleY(0); }
.accordion__a {
  overflow: hidden;
  max-height: 0;
  transition: max-height .28s ease;
}
.accordion__a-inner { padding: 0 clamp(16px, 2vw, 22px) clamp(16px, 2vw, 22px); color: var(--muted); }
.accordion__a-inner p { margin: 0; }

/* -------------------------------------------------------------------------
   13. Forms
   ------------------------------------------------------------------------- */
.form { display: flex; flex-direction: column; gap: 16px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: .88rem; font-weight: 500; color: var(--ink-2); }
.field label .req { color: var(--danger); }
.field input,
.field select,
.field textarea {
  font-family: var(--font-body); font-size: 1rem; color: var(--text);
  background: var(--surface); border: 1.5px solid var(--line); border-radius: var(--radius-sm);
  padding: .7em .85em; min-height: 46px; width: 100%;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.field textarea { min-height: 110px; resize: vertical; }
.field input:focus,
.field select:focus,
.field textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(45, 108, 223, .15); }
/* Strong, explicit ring for keyboard navigation (in addition to the soft focus ring above) */
.field input:focus-visible,
.field select:focus-visible,
.field textarea:focus-visible { outline: 3px solid var(--blue); outline-offset: 1px; }
/* Invalid fields (also flagged via aria-invalid by JS validation): red border + focus ring.
   Use the `border` shorthand (not the border-color longhand) to reliably override the base
   `.field input { border: ... }` shorthand; !important guards against per-page <style> order. */
.field--error input,
.field--error select,
.field--error textarea,
[aria-invalid="true"] { border: 1.5px solid var(--danger) !important; }
.field--error input:focus,
.field--error select:focus,
.field--error textarea:focus { box-shadow: 0 0 0 3px rgba(214, 64, 64, .18); }
.field input::placeholder, .field textarea::placeholder { color: var(--muted-2); }
.field__error { font-size: .82rem; color: var(--danger); min-height: 0; display: none; }
.field--error .field__error { display: block; }

.form__note { font-size: .82rem; color: var(--muted); margin: 0; }
.form__note a { color: var(--blue); }

/* honeypot */
.hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }

/* form on dark surface */
.form--dark .field label { color: #DDE6F2; }
.form--dark .field input,
.form--dark .field select,
.form--dark .field textarea {
  background: rgba(255, 255, 255, .06); border-color: var(--line-dark); color: #fff;
}
.form--dark .field input::placeholder, .form--dark .field textarea::placeholder { color: #8AA0BE; }
.form--dark .form__note { color: #9FB4D0; }
.form--dark .form__note a { color: #6CA0F0; }

/* success / status */
.form__status { display: none; border-radius: var(--radius-sm); padding: 14px 16px; font-size: .94rem; }
.form__status.is-success { display: block; background: #EAF8F1; border: 1px solid rgba(31, 169, 113, .35); color: #14724D; }
.form--dark .form__status.is-success { background: rgba(31,169,113,.15); color: #BFEBD8; }
.form__status.is-error { display: block; background: var(--accent-50); border: 1px solid rgba(216, 65, 47, .35); color: var(--danger); }

/* -------------------------------------------------------------------------
   14. Breadcrumb
   ------------------------------------------------------------------------- */
.breadcrumb { font-size: .85rem; color: var(--muted); padding-block: 16px; }
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0; }
.breadcrumb li { display: flex; align-items: center; gap: 8px; }
.breadcrumb li:not(:last-child)::after { content: "/"; color: var(--muted-2); }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--blue); }
.breadcrumb [aria-current="page"] { color: var(--ink-2); }

/* -------------------------------------------------------------------------
   15. Footer
   ------------------------------------------------------------------------- */
.footer {
  background: var(--ink);
  color: #AEC0D8;
  position: relative;
  overflow: hidden;
  padding-top: clamp(48px, 6vw, 72px);
}
.footer::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    repeating-linear-gradient(0deg, rgba(255, 255, 255, .03) 0 1px, transparent 1px 28px),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, .03) 0 1px, transparent 1px 28px);
  pointer-events: none;
}
.footer > .container { position: relative; z-index: 1; }
.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr 1.4fr;
  gap: clamp(24px, 3vw, 40px);
  padding-bottom: 40px;
}
.footer__brand .brand__name { color: #fff; }
.footer__brand .brand__sub { color: #7E93B2; }
.footer__about { font-size: .9rem; margin-top: 16px; max-width: 34ch; color: #9FB4D0; }
.footer__col h4 { color: #fff; font-size: .95rem; margin-bottom: 14px; font-family: var(--font-head); }
.footer__col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer__col a, .footer__col span { color: #AEC0D8; font-size: .9rem; }
.footer__col a:hover { color: #fff; }
.footer__contacts li { display: flex; gap: 8px; font-size: .9rem; }
.footer__contacts .label { color: #7E93B2; font-family: var(--font-mono); font-size: .7rem; text-transform: uppercase; letter-spacing: .06em; min-width: 64px; }
.footer__requisites { margin-top: 14px; font-size: .78rem; color: #7E93B2; line-height: 1.7; }
.footer__bottom {
  border-top: 1px solid var(--line-dark);
  padding-block: 22px;
  display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; align-items: center;
  font-size: .82rem; color: #7E93B2;
}
.footer__bottom-links { display: flex; flex-wrap: wrap; gap: 16px; }
.footer__bottom-links a { color: #9FB4D0; }
.footer__bottom-links a:hover { color: #fff; }
.footer__made a { color: #9FB4D0; }

/* Autodesk partner text badge */
.partner-badge {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid var(--line-dark); border-radius: var(--radius-sm);
  padding: 8px 12px; margin-top: 18px;
  font-family: var(--font-mono); font-size: .72rem; letter-spacing: .04em; color: #C4D4EC;
}
.partner-badge svg { width: 18px; height: 18px; color: #fff; }

/* -------------------------------------------------------------------------
   16. Floating WhatsApp button
   ------------------------------------------------------------------------- */
.wa-fab {
  position: fixed;
  right: 18px; bottom: 18px;
  z-index: 90;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  display: grid; place-items: center;
  box-shadow: 0 10px 28px rgba(37, 211, 102, .45);
  transition: transform .2s ease, box-shadow .2s ease;
}
.wa-fab:hover { transform: translateY(-2px) scale(1.04); text-decoration: none; box-shadow: 0 14px 34px rgba(37, 211, 102, .55); }
.wa-fab svg { width: 30px; height: 30px; }
.wa-fab::after {
  content: ""; position: absolute; inset: -6px; border-radius: 50%;
  border: 2px solid rgba(37, 211, 102, .5);
  animation: wa-pulse 2.4s ease-out infinite;
}
@keyframes wa-pulse {
  0% { transform: scale(.9); opacity: .8; }
  70% { transform: scale(1.25); opacity: 0; }
  100% { opacity: 0; }
}

/* Back-to-top button (stacks above the WhatsApp FAB) */
.to-top {
  position: fixed; right: 22px; bottom: 84px; z-index: 89;
  width: 46px; height: 46px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--ink); color: #fff; border: none; cursor: pointer;
  box-shadow: var(--shadow);
  opacity: 0; transform: translateY(10px) scale(.9); pointer-events: none;
  transition: opacity .25s ease, transform .25s ease, background .2s ease;
}
.to-top.is-visible { opacity: 1; transform: none; pointer-events: auto; }
.to-top:hover { background: var(--navy); }
.to-top svg { width: 20px; height: 20px; }

/* Mobile sticky enroll bar (course pages) */
.enroll-bar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 95;
  display: none; align-items: center; gap: 12px;
  padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
  background: var(--surface); border-top: 1px solid var(--line);
  box-shadow: 0 -8px 24px rgba(11, 26, 46, .12);
  transform: translateY(110%); transition: transform .3s ease;
}
.enroll-bar__info { display: flex; flex-direction: column; line-height: 1.15; }
.enroll-bar__price { font-family: var(--font-head); font-weight: 700; font-size: 1.1rem; color: var(--ink); }
.enroll-bar__old { font-size: .78rem; color: var(--muted); }
.enroll-bar__wa { display: grid; place-items: center; width: 46px; height: 46px; flex: 0 0 46px; border-radius: var(--radius-sm); background: #25D366; color: #fff; }
.enroll-bar__wa svg { width: 22px; height: 22px; }
.enroll-bar__cta { flex: 1 1 auto; }
@media (max-width: 768px) {
  .enroll-bar { display: flex; }
  .enroll-bar.is-visible { transform: none; }
  body.has-enroll-bar .wa-fab { display: none; }   /* avoid overlap — the bar carries WhatsApp */
}

/* -------------------------------------------------------------------------
   17. CTA band
   ------------------------------------------------------------------------- */
.cta-band {
  background: linear-gradient(120deg, var(--navy), var(--ink-2));
  color: #fff; border-radius: var(--radius-lg);
  padding: clamp(28px, 4vw, 52px);
  position: relative; overflow: hidden;
}
.cta-band::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    repeating-linear-gradient(0deg, rgba(255,255,255,.05) 0 1px, transparent 1px 28px),
    repeating-linear-gradient(90deg, rgba(255,255,255,.05) 0 1px, transparent 1px 28px);
  pointer-events: none;
}
.cta-band > * { position: relative; z-index: 1; }

/* -------------------------------------------------------------------------
   18. Modal (payment stub)
   ------------------------------------------------------------------------- */
.modal { position: fixed; inset: 0; z-index: 160; display: none; }
.modal.is-open { display: block; }
.modal__overlay { position: absolute; inset: 0; background: rgba(11, 26, 46, .55); }
.modal__dialog {
  position: relative; z-index: 1;
  max-width: 480px; margin: clamp(40px, 10vh, 120px) auto 0;
  background: var(--surface); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); padding: clamp(24px, 3vw, 34px);
  width: calc(100% - 32px);
}
.modal__close {
  position: absolute; top: 14px; right: 14px;
  width: 40px; height: 40px; border: 1px solid var(--line); background: var(--surface);
  border-radius: var(--radius-sm); cursor: pointer; font-size: 1.3rem; color: var(--ink); line-height: 1;
}
.modal__head { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.modal__pay-methods { display: flex; gap: 10px; margin: 16px 0; }
.modal__pay-method {
  flex: 1; text-align: center; border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 12px; font-family: var(--font-head); font-weight: 600; color: var(--ink-2); font-size: .9rem;
}
.modal__note { font-size: .84rem; color: var(--muted); background: var(--surface-2); border-radius: var(--radius-sm); padding: 12px; }

/* -------------------------------------------------------------------------
   19. Utilities
   ------------------------------------------------------------------------- */
.u-text-center { text-align: center; }
.u-muted { color: var(--muted); }
.u-mt-0 { margin-top: 0; }
.u-mt-1 { margin-top: 8px; }
.u-mt-2 { margin-top: 16px; }
.u-mt-3 { margin-top: 24px; }
.u-mt-4 { margin-top: 32px; }
.u-mb-0 { margin-bottom: 0; }
.u-flex { display: flex; }
.u-gap { gap: 12px; }
.u-wrap { flex-wrap: wrap; }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0);
  white-space: nowrap; border: 0;
}

/* -------------------------------------------------------------------------
   20. Scroll reveal
   ------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .6s ease, transform .6s ease;
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: none; }

/* -------------------------------------------------------------------------
   21. Responsive
   ------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__panel { max-width: 520px; }
  .footer__grid { grid-template-columns: 1fr 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
  .footer__contacts { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  .nav, .header__cta .btn { display: none; }
  .menu-toggle { display: inline-flex; }
  .header__cta { display: none; }
  .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .stat-row { grid-template-columns: repeat(2, 1fr); }
  .form__row { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .stat-row { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr; }
  .hero__actions .btn { width: 100%; }
  .filter-group { flex-direction: column; align-items: flex-start; }
  .filter-group__label { min-width: 0; }
}

@media (max-width: 380px) {
  .stat-row { grid-template-columns: 1fr; }
  .container, .container-narrow { padding-inline: 16px; }
}

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

/* Print */
@media print {
  .header, .footer, .wa-fab, .drawer, .modal { display: none !important; }
  body { background: #fff; }
}