/* Базовые настройки: бронза + патина
 * Фирменный логотип (один файл для шапки, hero и подвала):
 *   файл на диске: core/static/images/logo-bronze.png
 *   в браузере:      /static/images/logo-bronze.png
 */

*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  /* Тёплые «бронзовые» фоны: чуть темнее и чуть светлее опорного ~#211E1C */
  --bg-deep: #0a0908;      /* чуть темнее «уголь» под референс */
  --bg-mid: #1f1d1b;       /* как на референсе */
  --bg-lift: #2a2622;      /* чуть светлее для блика */
  --color-bg: var(--bg-mid);
  --color-bg-alt: #1a1816;
  --color-bg-gray: #1c1917;
  --color-accent: #fbbf24;          /* золото */
  --color-accent-soft: #ea580c;
  --color-patina: #c9a227;          /* тёплый металлический блик (без бирюзы) */
  --color-text: #f8fafc;
  --color-text-muted: #b8aea5;
  --color-border: rgba(160, 140, 120, 0.35);
  --shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.75);
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-pill: 999px;
  --container-width: 1160px;
  --transition-fast: 0.2s ease-out;
  --font-main: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-main);
  /* Градиент только в тёплых тонах: глубокий уголь → чуть светлее бронза-серый, без синего */
  background:
    radial-gradient(ellipse 125% 70% at 50% 108%, rgba(180, 83, 9, 0.14) 0%, transparent 52%),
    radial-gradient(ellipse 85% 48% at 12% -8%, rgba(251, 191, 36, 0.07) 0%, transparent 48%),
    radial-gradient(circle at 88% 22%, rgba(139, 90, 43, 0.1) 0%, transparent 44%),
    radial-gradient(circle at 0% 55%, rgba(92, 52, 26, 0.12) 0%, transparent 42%),
    linear-gradient(168deg, var(--bg-lift) 0%, var(--bg-mid) 38%, var(--bg-deep) 72%, #1a1715 100%);
  color: var(--color-text);
  line-height: 1.6;
}

/* Контейнеры и базовая типографика */

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

h1, h2, h3 {
  margin: 0 0 12px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
}

h1 {
  font-size: clamp(2.2rem, 3vw + 1rem, 3rem);
}

h2 {
  font-size: clamp(1.8rem, 2.4vw + 1rem, 2.3rem);
}

h3 {
  font-size: 1.2rem;
}

p {
  margin: 0 0 10px;
  color: var(--color-text-muted);
}

a {
  color: #fbbf24; /* мягкое золото */
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Кнопки: бронза с подсветкой */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 22px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color var(--transition-fast),
              color var(--transition-fast),
              box-shadow var(--transition-fast),
              transform var(--transition-fast),
              border-color var(--transition-fast);
}

.btn--primary {
  background:
    radial-gradient(circle at 10% 0, rgba(253, 224, 71, 0.65) 0, transparent 40%),
    linear-gradient(135deg, #f59e0b, #b45309);
  color: #111827;
  box-shadow: 0 14px 35px rgba(245, 158, 11, 0.7);
  border-color: rgba(251, 191, 36, 0.9);
}

.btn--primary:hover {
  background:
    radial-gradient(circle at 0 0, rgba(253, 224, 71, 0.85) 0, transparent 40%),
    linear-gradient(135deg, #fbbf24, #92400e);
  box-shadow: 0 18px 42px rgba(245, 158, 11, 0.9);
  transform: translateY(-1px);
}

.btn--ghost {
  background: radial-gradient(circle at 0 0, rgba(120, 53, 15, 0.28) 0, transparent 55%);
  color: var(--color-text);
  border-color: rgba(90, 78, 68, 0.85);
}

.btn--ghost:hover {
  background:
    radial-gradient(circle at 0 0, rgba(251, 191, 36, 0.12) 0, transparent 55%),
    rgba(26, 22, 20, 0.96);
  border-color: rgba(160, 140, 120, 0.55);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.85);
  transform: translateY(-1px);
}

/* Шапка сайта: тёмный металл с подсветкой */

.header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background:
    linear-gradient(to bottom, rgba(30, 26, 24, 0.96), rgba(18, 16, 14, 0.93));
  border-bottom: 1px solid rgba(251, 191, 36, 0.2);
  box-shadow:
    0 18px 40px rgba(0, 0, 0, 0.65),
    0 1px 0 rgba(255, 255, 255, 0.04) inset;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 10px 0;
}

/* Логотип */

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
}

/* Фирменный PNG: усиливаем «металл» и тёплое золото (как на референсе) */
.logo__image {
  display: block;
  width: auto;
  max-width: min(280px, 55vw);
  min-width: 160px;
  min-height: 44px;
  max-height: 52px;
  height: auto;
  object-fit: contain;
  filter:
    saturate(1.12)
    brightness(1.06)
    contrast(1.03)
    drop-shadow(0 0 18px rgba(251, 191, 36, 0.65))
    drop-shadow(0 0 36px rgba(234, 88, 12, 0.35))
    drop-shadow(0 4px 14px rgba(0, 0, 0, 0.55));
}

.logo__image--footer {
  max-height: 44px;
}

.logo__image--header {
  max-height: 52px;
}

.about__image--logo {
  display: block;
  width: 100%;
  height: auto;
  max-height: min(320px, 55vh);
  object-fit: contain;
  filter:
    saturate(1.08)
    drop-shadow(0 0 28px rgba(251, 191, 36, 0.2));
}

/* Навигация */

.nav__list {
  display: flex;
  align-items: center;
  gap: 18px;
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.9rem;
}

.nav__list a {
  color: var(--color-text-muted);
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.78rem;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.nav__list a:hover {
  color: #fef3c7;
  border-color: #f59e0b;
}

/* Контакты в шапке */

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

.header__phone {
  font-weight: 600;
  color: #fefce8;
  white-space: nowrap;
}

/* Бургер для мобильных */

.burger {
  display: none;
  flex-direction: column;
  gap: 4px;
  width: 32px;
  height: 28px;
  padding: 4px;
  border-radius: 999px;
  border: 1px solid rgba(148, 130, 110, 0.55);
  background: radial-gradient(circle at 0 0, rgba(40, 34, 30, 0.95) 0, rgba(22, 19, 17, 0.95) 100%);
  cursor: pointer;
}

.burger span {
  height: 2px;
  width: 100%;
  border-radius: 999px;
  background: #e5e7eb;
}

/* Главный блок (hero): подсвеченная сцена */

.hero {
  padding: 40px 0 40px;
}

.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1.1fr);
  align-items: center;
  gap: 40px;
}

.hero__subtitle {
  font-size: 1rem;
  max-width: 520px;
}

.hero__bullets {
  margin: 18px 0 18px;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  font-size: 0.9rem;
}

.hero__bullets li {
  position: relative;
  padding-left: 22px;
  color: var(--color-text-muted);
}

.hero__bullets li::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 50%;
  transform: translateY(-50%);
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 0, #facc15 0, #b45309 60%, #854d0e 100%);
  box-shadow: 0 0 12px rgba(250, 204, 21, 0.9);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 12px;
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.hero__meta a {
  color: #fef3c7;
  font-weight: 600;
}

/* Hero: «ночной» фон как на референсе; по центру — только фирменный logo-bronze.png */

.hero__visual {
  justify-self: stretch;
}

.hero__brand-panel {
  position: relative;
  border-radius: 28px;
  min-height: 240px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow:
    0 24px 56px rgba(0, 0, 0, 0.88),
    0 0 48px rgba(30, 58, 100, 0.22);
  border: 1px solid rgba(70, 85, 120, 0.35);
}

.hero__brand-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 100% 70% at 50% -15%, rgba(35, 58, 95, 0.45) 0%, transparent 58%),
    radial-gradient(ellipse 85% 50% at 88% 25%, rgba(25, 45, 78, 0.4) 0%, transparent 45%),
    radial-gradient(ellipse 75% 55% at 12% 108%, rgba(200, 75, 28, 0.32) 0%, transparent 52%),
    radial-gradient(ellipse 60% 40% at 70% 90%, rgba(140, 55, 20, 0.12) 0%, transparent 45%),
    linear-gradient(168deg, #04060c 0%, #0a101e 42%, #06080f 100%);
}

/* Затемнение к краям и лёгкая «пыль» как на ночном небе */
.hero__brand-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 100% 85% at 50% 45%, transparent 42%, rgba(0, 0, 0, 0.48) 100%),
    radial-gradient(circle at 18% 22%, rgba(255, 255, 255, 0.04) 0, transparent 28%),
    radial-gradient(circle at 78% 35%, rgba(255, 255, 255, 0.03) 0, transparent 24%);
}

.hero__brand-inner {
  position: relative;
  z-index: 2;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 26px 18px 10px;
}

.hero__brand-logo {
  max-width: 100%;
  width: min(360px, 100%);
  height: auto;
  max-height: min(200px, 30vh);
  object-fit: contain;
  filter:
    brightness(0.9)
    contrast(1.06)
    saturate(1.06)
    drop-shadow(0 14px 32px rgba(0, 0, 0, 0.7))
    drop-shadow(0 0 28px rgba(251, 191, 36, 0.14));
}

.hero__brand-label {
  position: relative;
  z-index: 2;
  align-self: center;
  margin: 0 18px 18px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(8, 10, 16, 0.88);
  border: 1px solid rgba(251, 191, 36, 0.55);
  color: #e7e5e4;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Секции */

.section {
  padding: 40px 0;
}

.section--gray {
  background:
    radial-gradient(ellipse 100% 80% at 50% 0%, rgba(217, 119, 6, 0.07) 0%, transparent 48%),
    radial-gradient(circle at 0 100%, rgba(80, 45, 22, 0.1) 0%, transparent 42%),
    linear-gradient(180deg, #1c1917 0%, var(--bg-deep) 100%);
}

.section--accent {
  background:
    radial-gradient(ellipse 90% 70% at 50% 100%, rgba(249, 115, 22, 0.12) 0%, transparent 55%),
    radial-gradient(circle at 0 0, rgba(251, 191, 36, 0.14) 0%, transparent 55%),
    radial-gradient(circle at 100% 0, rgba(139, 90, 43, 0.1) 0%, transparent 50%),
    linear-gradient(145deg, #161311 0%, var(--bg-mid) 50%, #12100e 100%);
  color: #e5e7eb;
}

.section--accent h2,
.section--accent h3,
.section--accent p,
.section--accent label {
  color: #e5e7eb;
}

.section__subtitle {
  max-width: 600px;
  font-size: 0.98rem;
}

/* Сетка преимуществ: карточки из тёмного металла */

.grid.benefits {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 20px;
}

.benefit {
  background:
    radial-gradient(circle at 100% 100%, rgba(249, 115, 22, 0.07) 0%, transparent 45%),
    radial-gradient(circle at 0 0, rgba(250, 204, 21, 0.1) 0%, transparent 52%),
    linear-gradient(155deg, #221f1d 0%, #141110 100%);
  border-radius: var(--radius-md);
  padding: 16px 16px 14px;
  border: 1px solid rgba(130, 118, 105, 0.4);
  box-shadow:
    0 14px 34px rgba(0, 0, 0, 0.65),
    0 0 0 1px rgba(251, 191, 36, 0.06) inset;
}

.benefit h3 {
  font-size: 1rem;
}

/* Проекты домов: карточки с лёгким свечением */

.projects-grid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
}

.project-card {
  background:
    radial-gradient(circle at 0 0, rgba(251, 191, 36, 0.14) 0, transparent 55%),
    linear-gradient(160deg, #100e0d, #1f1d1b);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(130, 118, 105, 0.45);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.9);
  display: flex;
  flex-direction: column;
}

.project-card__image-wrapper {
  position: relative;
  overflow: hidden;
}

.project-card__image {
  display: block;
  width: 100%;
  height: 160px;
  object-fit: cover;
  transition: transform var(--transition-fast), filter var(--transition-fast);
  filter: saturate(1.05) contrast(1.02);
}

.project-card__image-wrapper:hover .project-card__image {
  transform: scale(1.03);
  filter: saturate(1.15) contrast(1.08);
}

.project-card__3d-btn {
  position: absolute;
  right: 10px;
  bottom: 10px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(251, 191, 36, 0.9);
  background:
    radial-gradient(circle at 0 0, rgba(250, 204, 21, 0.85) 0, rgba(248, 250, 252, 0.95) 50%, rgba(250, 204, 21, 0.9) 100%);
  color: #111827;
  font-size: 0.78rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 24px rgba(250, 204, 21, 0.9);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.project-card__3d-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 32px rgba(250, 204, 21, 1);
}

.project-card__body {
  padding: 12px 13px 14px;
}

.project-card__title {
  font-size: 1rem;
  margin-bottom: 4px;
  color: #fef3c7;
}

.project-card__meta {
  font-size: 0.83rem;
  color: var(--color-text-muted);
}

.project-card__price {
  margin-top: 8px;
  font-weight: 600;
  color: #facc15;
}

/* Процесс работы */

.steps {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

.steps__item {
  position: relative;
  background:
    radial-gradient(circle at 0 0, rgba(251, 191, 36, 0.1) 0, transparent 55%),
    linear-gradient(150deg, #12100e, #1a1816);
  border-radius: var(--radius-md);
  padding: 14px 14px 16px;
  border: 1px solid rgba(130, 118, 105, 0.45);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.9);
}

.steps__item h3 {
  font-size: 0.98rem;
  margin-bottom: 4px;
}

/* О компании */

.about {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 30px;
  align-items: center;
}

.about__facts {
  margin: 12px 0 0;
  padding-left: 18px;
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.about__image-wrapper {
  border-radius: 26px;
  overflow: hidden;
  box-shadow:
    0 24px 60px rgba(0, 0, 0, 0.75),
    0 0 40px rgba(251, 146, 60, 0.06);
  border: 1px solid rgba(251, 191, 36, 0.15);
  background: radial-gradient(ellipse 80% 60% at 50% 100%, rgba(249, 115, 22, 0.06) 0%, transparent 55%);
}

.about__image {
  display: block;
  width: 100%;
  height: auto;
}

/* Отзывы */

.reviews {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.review {
  background:
    radial-gradient(circle at 0 0, rgba(250, 204, 21, 0.1) 0, transparent 55%),
    linear-gradient(150deg, #12100e, #1f1d1b);
  border-radius: var(--radius-md);
  padding: 16px 16px 14px;
  border: 1px solid rgba(130, 118, 105, 0.42);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.9);
}

.review__text {
  font-style: italic;
  color: #e5e7eb;
}

.review__author {
  margin-top: 8px;
  font-size: 0.9rem;
  color: #facc15;
}

/* Контакты и формы */

.contacts {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.2fr);
  gap: 30px;
  align-items: start;
}

.contacts__list {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
  font-size: 0.95rem;
}

.contacts__list li + li {
  margin-top: 6px;
}

.contacts__list a {
  color: #facc15;
  font-weight: 600;
}

/* Формы */

.form {
  background:
    radial-gradient(circle at 0 0, rgba(250, 204, 21, 0.12) 0, transparent 55%),
    linear-gradient(150deg, rgba(32, 28, 26, 0.96), rgba(22, 19, 17, 0.98));
  border-radius: var(--radius-md);
  padding: 14px 14px 12px;
  border: 1px solid rgba(130, 118, 105, 0.55);
  backdrop-filter: blur(14px);
}

.section--accent .form {
  background:
    radial-gradient(circle at 0 0, rgba(250, 204, 21, 0.2) 0, transparent 55%),
    linear-gradient(145deg, rgba(28, 24, 22, 0.98), rgba(18, 16, 14, 0.99));
}

.form__field {
  display: flex;
  flex-direction: column;
  margin-bottom: 10px;
  font-size: 0.9rem;
}

.form__field label {
  margin-bottom: 4px;
}

.form__field input,
.form__field textarea {
  border-radius: 10px;
  border: 1px solid rgba(130, 118, 105, 0.55);
  padding: 8px 10px;
  font-family: var(--font-main);
  font-size: 0.92rem;
  background: rgba(22, 19, 17, 0.95);
  color: #e5e7eb;
  outline: none;
  transition: border-color var(--transition-fast),
              box-shadow var(--transition-fast),
              background-color var(--transition-fast);
}

.form__field input:focus,
.form__field textarea:focus {
  border-color: #f59e0b;
  box-shadow: 0 0 0 1px rgba(245, 158, 11, 0.7);
  background-color: #141110;
}

.form__field--inline {
  flex-direction: row;
  align-items: center;
}

.checkbox {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
}

.checkbox input {
  width: 16px;
  height: 16px;
}

.form__note {
  margin-top: 6px;
  font-size: 0.78rem;
  opacity: 0.9;
  color: #9ca3af;
}

/* Подвал */

.footer {
  background:
    radial-gradient(ellipse 80% 120% at 50% 0%, rgba(251, 146, 60, 0.09) 0%, transparent 50%),
    radial-gradient(circle at 0 100%, rgba(92, 52, 26, 0.12) 0%, transparent 45%),
    linear-gradient(180deg, #181614 0%, var(--bg-deep) 100%);
  color: #9ca3af;
  padding: 18px 0 16px;
  border-top: 1px solid rgba(251, 191, 36, 0.12);
  box-shadow: 0 -12px 35px rgba(0, 0, 0, 0.75);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-size: 0.85rem;
}

.footer__logo .logo__image {
  filter:
    saturate(1.1)
    brightness(1.05)
    drop-shadow(0 0 14px rgba(250, 204, 21, 0.55))
    drop-shadow(0 4px 12px rgba(0, 0, 0, 0.6));
}

.footer__copy {
  margin-top: 4px;
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.footer__links a {
  color: #e5e7eb;
  font-size: 0.85rem;
}

/* Модальные окна */

.modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 50;
}

.modal--open {
  display: flex;
}

.modal__overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0, rgba(250, 204, 21, 0.2) 0, rgba(22, 19, 17, 0.92) 45%, rgba(14, 12, 11, 0.98) 100%);
  backdrop-filter: blur(14px);
}

.modal__content {
  position: relative;
  max-width: 420px;
  width: 100%;
  margin: 0 16px;
  background:
    radial-gradient(circle at 0 0, rgba(250, 204, 21, 0.14) 0, transparent 55%),
    linear-gradient(150deg, #12100e, #12100e 30%, #221f1d 100%);
  color: #e5e7eb;
  border-radius: 20px;
  padding: 18px 16px 16px;
  box-shadow: 0 36px 80px rgba(0, 0, 0, 1);
  border: 1px solid rgba(130, 118, 105, 0.55);
  z-index: 1;
}

.modal__content--wide {
  max-width: 880px;
}

.modal__close {
  position: absolute;
  right: 12px;
  top: 10px;
  width: 26px;
  height: 26px;
  border-radius: 999px;
  border: 1px solid rgba(130, 118, 105, 0.6);
  background: radial-gradient(circle at 0 0, rgba(180, 83, 9, 0.35) 0, rgba(28, 24, 22, 0.98) 60%);
  color: #e5e7eb;
  font-size: 16px;
  line-height: 0;
  cursor: pointer;
}

.viewer3d {
  margin-top: 10px;
}

.viewer3d__placeholder {
  border-radius: 14px;
  border: 1px dashed rgba(130, 118, 105, 0.55);
  padding: 26px 14px;
  text-align: center;
  font-size: 0.9rem;
  color: #b8aea5;
}

/* Адаптивность */

@media (max-width: 1100px) {
  .projects-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .grid.benefits {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .hero__inner {
    grid-template-columns: minmax(0, 1.2fr);
  }

  .hero__visual {
    order: -1;
  }

  .about,
  .contacts {
    grid-template-columns: minmax(0, 1fr);
  }

  .reviews {
    grid-template-columns: minmax(0, 1fr);
  }

  .projects-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .header__contacts {
    display: none;
  }

  .burger {
    display: flex;
  }

  .nav__list {
    position: absolute;
    inset: 60px 16px auto;
    padding: 10px 12px;
    border-radius: 18px;
    background:
      radial-gradient(circle at 0 0, rgba(250, 204, 21, 0.16) 0, transparent 55%),
      rgba(28, 24, 22, 0.98);
    flex-direction: column;
    align-items: flex-start;
    border: 1px solid rgba(130, 118, 105, 0.5);
    box-shadow: var(--shadow-soft);
    transform-origin: top center;
    transform: scaleY(0.6);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
  }

  .nav--open .nav__list {
    opacity: 1;
    pointer-events: auto;
    transform: scaleY(1);
  }
}

@media (max-width: 640px) {
  .section {
    padding: 26px 0;
  }

  .hero {
    padding-top: 26px;
  }

  .projects-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .steps {
    grid-template-columns: minmax(0, 1fr);
  }

  .grid.benefits {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero__brand-panel {
    min-height: 200px;
  }

  .hero__brand-logo {
    max-height: min(170px, 26vh);
  }

  .footer__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .logo__image--header {
    max-height: 44px;
  }
}

/* Улучшение для пользователей без мыши (фокус) */

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid #f59e0b;
  outline-offset: 2px;
}

/* Направления: сетка кнопок */

.direction-buttons {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.direction-btn {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 14px 14px;
  border-radius: 16px;
  border: 1px solid rgba(130, 118, 105, 0.45);
  background:
    radial-gradient(circle at 0 0, rgba(250, 204, 21, 0.18) 0, transparent 55%),
    radial-gradient(circle at 100% 0, rgba(120, 53, 15, 0.15) 0, transparent 55%),
    linear-gradient(155deg, #100e0d, #221f1d);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.9);
  color: #e5e7eb;
  text-decoration: none;
  overflow: hidden;
  transition: transform 0.2s ease-out, box-shadow 0.2s ease-out, border-color 0.2s ease-out;
}

.direction-btn::before {
  content: "";
  position: absolute;
  inset: -2px;
  background: conic-gradient(from 180deg, rgba(245, 158, 11, 0.35), rgba(120, 53, 15, 0.3), rgba(245, 158, 11, 0.35));
  opacity: 0;
  filter: blur(18px);
  transition: opacity 0.2s ease-out;
}

.direction-btn:hover {
  transform: translateY(-2px);
  border-color: rgba(251, 191, 36, 0.95);
  box-shadow:
    0 26px 65px rgba(0, 0, 0, 0.95),
    0 0 45px rgba(245, 158, 11, 0.25);
  text-decoration: none;
}

.direction-btn:hover::before {
  opacity: 1;
}

.direction-btn__title {
  position: relative;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #fef3c7;
}

.direction-btn__meta {
  position: relative;
  font-size: 0.86rem;
  color: rgba(229, 231, 235, 0.72);
}

@media (max-width: 1100px) {
  .direction-buttons {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .direction-buttons {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .direction-buttons {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Группы конфигураций на странице projects.html */

.config-group {
  margin-top: 26px;
  padding: 16px 14px 14px;
  border-radius: 18px;
  border: 1px solid rgba(130, 118, 105, 0.45);
  background:
    radial-gradient(circle at 0 0, rgba(250, 204, 21, 0.12) 0, transparent 55%),
    linear-gradient(150deg, #12100e, #12100e 30%, #1a1816 100%);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.9);
}

.config-group + .config-group {
  margin-top: 18px;
}

.config-group h3 {
  margin-bottom: 8px;
}

.config-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

.config-buttons .btn {
  font-size: 0.85rem;
  padding-inline: 16px;
}

@media (max-width: 640px) {
  .config-group {
    padding: 14px 10px 12px;
  }

  .config-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .config-buttons .btn {
    justify-content: center;
  }
}