@import url("https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,100..900;1,100..900&family=Roboto:ital,wght@0,100..900;1,100..900&display=swap");
:root {
  --bg: #fff; /* базовый тёмный фон */
  --card: #111111; /* карточки */
  --muted: #9fb0c3; /* вторичный текст */
  --text: #111111; /* основной текст */
  --brand: #ffb10a; /* акцент/бренд */
  --brand-2: #ff7a00; /* градиентный акцент */
  --stroke: #1f2732; /* разделители */
  --ok: #1ecb8e; /* зеленый */
  --danger: #ef4452; /* красный */
  --radius: 16px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  --container: 1200px;
}
* {
  box-sizing: border-box;
}
html,
body {
  height: 100%;
  font-family: "Roboto", sans-serif;
  font-optical-sizing: auto;
  font-style: normal;
  font-variation-settings: "wdth" 100;
}
body {
  margin: 0;
  color: var(--text);
  background: #fff;
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  max-width: 100%;
  display: block;
}
.container {
  width: min(var(--container), 100% - 32px);
  margin-inline: auto;
}

/* Header */
.header {
  position: absolute;
  width: 100%;
  top: 0;
  z-index: 50;
  color: #fff;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}
.brand {
  display: flex;
  gap: 12px;
  align-items: center;
}
.logo {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  display: grid;
  place-items: center;
  font-weight: 800;
  color: #0b0f14;
}
.brand h1 {
  font-size: 18px;
  margin: 0;
  letter-spacing: 0.4px;
}
.menu {
  display: flex;
  gap: 24px;
  align-items: center;
}
.menu a {
  opacity: 0.86;
}
.menu a:hover {
  opacity: 1;
}
.cta {
  padding: 10px 16px;
  border-radius: 10px;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  color: #111;
  font-weight: 700;
}
.burger {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--stroke);
  border-radius: 10px;
  background: #0f141b;
  place-items: center;
}
.new-project--title {
  padding-top: 20px;
  font-size: 34px;
  font-weight: bold;
  font-family: "Montserrat", sans-serif;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.new-project--desc {
  max-width: 400px;
  font-weight: lighter;
}
.new-project-wrap {
  width: 495px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.new-project-term {
  font-size: 14px;
  padding: 3px 5px;
  background: #ffb22c;
  font-weight: 200;
  width: fit-content;
  border-radius: 4px;
}
.btn-secondary {
  display: flex;
  align-items: center;
  text-decoration: underline;
  padding: 3px 0;
}
/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  height: 100vh;
}
.hero-wrap {
  width: 495px;
  color: #fff;
}
.hero-grid {
  width: 100%;
  background-color: #111;
  padding: 180px 0 40px;
  height: 550px;
  display: flex;
  align-items: center;
  background-image: url(../img/header-pattern.png);
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border: 1px solid var(--stroke);
  border-radius: 999px;
  color: #000;
  font-size: 12px;
  background: #ffb22c;
}
.title {
  font-size: 46px;
  line-height: 1.1;
  margin: 14px 0 12px;
  letter-spacing: 0.2px;
}
.subtitle {
  color: var(--muted);
  font-size: 16px;
  margin: 0 0 22px;
}
.hero-cta {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  border-radius: 12px;
  border: 1px solid var(--stroke);
  background: #111722;
  font-weight: 600;
}
.btn.primary {
  border-color: transparent;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  color: #111;
}
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 26px;
}
.stat {
  background: var(--card);
  border: 1px solid var(--stroke);
  border-radius: 14px;
  padding: 16px;
}
.stat .num {
  font-size: 24px;
  font-weight: 800;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--muted);
}

.mock {
  position: relative;
  background: radial-gradient(60% 80% at 50% 50%, #0f1623, #0b1017);
  border: 1px solid var(--stroke);
  border-radius: 16px;
  padding: 18px;
  box-shadow: var(--shadow);
}
.mock img {
  border-radius: 12px;
}
.ribbon {
  position: absolute;
  inset: auto auto -12px -12px;
  background: linear-gradient(90deg, #1b2532, #101620);
  border: 1px solid var(--stroke);
  color: var(--muted);
  padding: 8px 12px;
  border-radius: 10px;
}

/* Sections */
section {
  padding: 56px 0;
}
.sec-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
}
.sec-head h2 {
  margin: 0;
  font-size: 28px;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.card {
  background: var(--card);
  border: 1px solid var(--stroke);
  border-radius: 16px;
  padding: 18px;
}
.card h3 {
  margin: 10px 0 6px;
}
.card p {
  color: var(--muted);
  margin: 0;
}

.project-item {
  width: 800px;
  height: 600px;
  background-size: cover;
  position: absolute;
  right: 0;
  bottom: 0;
}

/* Testimonials */
.quote {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.avatar {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, #263143, #161c27);
  border: 1px solid var(--stroke);
}

/* Contact */
.form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.form input,
.form textarea,
.form select {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--stroke);
  background: #0f1622;
  color: var(--text);
}
.form textarea {
  grid-column: 1/-1;
  min-height: 120px;
  resize: vertical;
}
.form .full {
  grid-column: 1/-1;
}
.alert {
  display: none;
  margin-top: 10px;
  padding: 12px 14px;
  border-radius: 12px;
  background: #0f1a13;
  border: 1px solid #153a2b;
  color: #b4f5d6;
}

/* Footer */
footer {
  padding: 28px 0;
  border-top: 1px solid var(--stroke);
  color: var(--muted);
}

/* Utilities */
.hidden {
  display: none;
}
.tag {
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--stroke);
  color: #000;
}
.kpi {
  display: flex;
  gap: 10px;
  align-items: center;
  color: #fff;
}

/* Responsive */
@media (max-width: 980px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .stats {
    grid-template-columns: 1fr 1fr;
  }
  .form {
    grid-template-columns: 1fr;
  }
  .grid-3 {
    grid-template-columns: 1fr 1fr;
  }
  .menu {
    display: none;
  }
  .burger {
    display: grid;
  }
}
@media (max-width: 640px) {
  .title {
    font-size: 34px;
  }
  .grid-3 {
    grid-template-columns: 1fr;
  }
  .stats {
    grid-template-columns: 1fr;
  }
}

.about-wrap {
  display: flex;
  justify-content: space-around;
  align-items: center;
}
.about-img {
  width: 400px;
  height: 400px;
  border-radius: 300px;
  background-image: url(../img/about.png);
  background-size: contain;
}
.about-desc {
  width: 300px;
}
.about-desc--title {
  font-family: "Montserrat", sans-serif;
  font-size: 24px;
  font-weight: bold;
}
.about-desc--text {
  font-weight: 400;
}

/* ====== стили блока О ДОМЕ ====== */
.house {
  background: #fff;
  padding: 32px 16px;
}
.house__inner {
  max-width: 1200px;
  margin: 0 auto;
}
.house__head {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
  margin-bottom: 18px;
}
.house__eyebrow {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #666;
}
.house__title {
  margin: 6px 0 6px;
  font-size: 28px;
  line-height: 1.2;
}
.house__addr {
  margin: 0;
  color: #555;
}
.house__badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid #e6e6e6;
  border-radius: 999px;
  background: #fafafa;
  color: #333;
  font-size: 13px;
}
.badge--ok {
  background: #f3ffe9;
  border-color: #d6f1c7;
  color: #2c7a3f;
}

.house__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 16px;
}
.kv {
  background: #fcfcfc;
  border: 1px solid #eee;
  border-radius: 12px;
  padding: 14px;
}
.kv__k {
  display: block;
  color: #6b7280;
  font-size: 12px;
  margin-bottom: 4px;
}
.kv__v {
  font-weight: 600;
  font-size: 16px;
}

.house__cta {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-radius: 10px;
  border: 1px solid #e6e6e6;
  background: #fff;
  color: #111;
  font-weight: 600;
  text-decoration: none;
}
.btn--primary {
  background: #ffb10a;
  border-color: #ffb10a;
  color: #111;
}

@media (max-width: 980px) {
  .house__head {
    flex-direction: column;
  }
  .house__grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 640px) {
  .house__grid {
    grid-template-columns: 1fr;
  }
  .house__title {
    font-size: 24px;
  }
}

/* ====== стили формы ====== */
.callback {
  background: #fff;
  padding: 32px 16px;
}
.callback__inner {
  max-width: 600px;
}
.callback__head {
  margin-bottom: 18px;
}
.callback__title {
  margin: 0 0 6px;
  font-size: 26px;
  line-height: 1.2;
}
.callback__subtitle {
  margin: 0;
  color: #fff;
  font-size: 15px;
}

.callback__form {
  display: grid;
  gap: 16px;
}
.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-field label {
  font-size: 13px;
  color: #fff;
}
.form-field input {
  padding: 12px 14px;
  border: 1px solid #e6e6e6;
  font-size: 15px;
  outline: none;
}
.form-field input:focus {
  border-color: #ffb10a;
  box-shadow: 0 0 0 2px rgba(255, 177, 10, 0.2);
}

.callback__alert {
  margin-top: 16px;
  display: none;
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 14px;
}
.callback__alert.ok {
  background: #f3ffe9;
  border: 1px solid #d6f1c7;
  color: #2c7a3f;
  display: block;
}
.callback__alert.err {
  background: #ffe9e9;
  border: 1px solid #f1c7c7;
  color: #a33;
  display: block;
}

footer {
  background: #111;

  background-image: url(../img/header-pattern.png);
  color: #f5f5f5;
  padding: 40px 16px;
}

.footer-wrap {
  display: flex;
  justify-content: space-around;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-contacts {
  border-radius: 16px;
}

.footer-contacts__title {
  margin: 0 0 16px;
  font-size: 20px;
  font-weight: 600;
  padding-bottom: 8px;
}

.footer-contacts__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.footer-contacts__label {
  display: block;
  font-size: 13px;
  color: #aaa;
  margin-bottom: 4px;
}

.footer-contacts__value {
  font-size: 15px;
  font-weight: 500;
  color: #fff;
  line-height: 1.4;
}

.footer-contacts a {
  color: #ffb10a;
  text-decoration: none;
}

.footer-contacts a:hover {
  text-decoration: underline;
}
.footer-sub {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
  margin-top: 20px;
}
.footer-sub img {
  width: 200px;
  text-align: center;
}

@media (max-width: 768px) {
  .footer-wrap {
    grid-template-columns: 1fr;
  }
}

.svg-scroll {
  height: 80vh;
  overflow: auto;
  border: 1px solid #eee;
  border-radius: 12px;
}
.fade {
  opacity: 0;
  transition: opacity 0.25s ease;
}
.fade.loaded {
  opacity: 1;
}

.tabs {
  display: flex;
  margin: 20px 0;
  background: #f2f2f2;
  width: fit-content;
}
.tabs-wrap {
  display: flex;
  justify-content: center;
}
.tabs-item {
  padding: 10px 20px;
  background: #f2f2f2;
  cursor: pointer;
  transition: background 0.2s;
  font-weight: 500;
}

.tabs-container--apartment img {
  width: 100%;
  height: auto;
  display: block;
  filter: grayscale(100%);   /* делает чёрно-белым */
  transition: filter 0.3s ease;
}

.tabs-container--apartment img:hover {
  filter: grayscale(0%);     /* при наведении снова цвет */
}
.tabs-item:hover {
  background: #e6e6e6;
}

.tabs-item.active {
  background: #ffb10a;
  color: #fff;
}

.tabs-container--item {
  display: none;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.tabs-container--item.active {
  display: grid;
}

.tabs-container--apartment {
  background: #fff;
  border: 1px solid #ddd;
  overflow: hidden;
  text-align: center;
  transition: transform 0.2s;
}

.tabs-container--apartment:hover {
  transform: translateY(-4px);
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.tabs-container--apartment img {
  width: 100%;
  height: auto;
  display: block;
}

.tabs-container--apartment--title {
  margin: 10px 0;
  font-size: 18px;
  font-weight: 600;
  font-family: "Montserrat", sans-serif;
}