/* ============================================================
   Т. ИНДИ — Основные стили
   Дизайн: тёмный элегантный, золотые акценты
   ============================================================ */

/* ---------- Переменные ---------- */
:root {
  --bg-primary:   #0d0d0d;
  --bg-secondary: #141414;
  --bg-card:      #1a1a1a;
  --bg-card-hover:#1f1f1f;

  --gold:         #c9a96e;
  --gold-light:   #dbbf89;
  --gold-dark:    #a88848;

  --text-primary:    #f0ece4;
  --text-secondary:  #a89f93;
  --text-muted:      #6b6459;

  --border:       rgba(201, 169, 110, 0.15);
  --border-hover: rgba(201, 169, 110, 0.4);

  --font-serif:  'Cormorant Garamond', Georgia, serif;
  --font-sans:   'Inter', system-ui, sans-serif;

  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   20px;

  --transition:  0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  --container-width: 1200px;
  --container-pad:   clamp(1rem, 5vw, 2.5rem);

  --header-h: 72px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 8px);
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
address { font-style: normal; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
select, input, textarea { font-family: inherit; }
iframe { border: none; display: block; }

/* ---------- Container ---------- */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn--gold {
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 50%, var(--gold) 100%);
  background-size: 200% 100%;
  color: #0d0d0d;
  border-color: transparent;
  box-shadow: 0 4px 20px rgba(201, 169, 110, 0.25);
}
.btn--gold:hover, .btn--gold:focus-visible {
  background-position: 100% 0;
  box-shadow: 0 6px 30px rgba(201, 169, 110, 0.45);
  transform: translateY(-1px);
}

.btn--outline {
  background: transparent;
  color: var(--gold);
  border-color: var(--gold);
}
.btn--outline:hover, .btn--outline:focus-visible {
  background: rgba(201, 169, 110, 0.1);
  box-shadow: 0 0 0 1px var(--gold);
}

.btn--ghost {
  background: rgba(255,255,255,0.06);
  color: var(--text-primary);
  border-color: rgba(255,255,255,0.12);
  backdrop-filter: blur(8px);
}
.btn--ghost:hover, .btn--ghost:focus-visible {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.25);
}

.btn--large { padding: 1rem 2.5rem; font-size: 1rem; }

/* ============================================================
   SECTION COMMON
   ============================================================ */
.section-header { text-align: center; margin-bottom: 3.5rem; }

.section-tag {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.75rem;
  position: relative;
  padding: 0 1.5rem;
}
.section-tag::before,
.section-tag::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 1rem;
  height: 1px;
  background: var(--gold);
  opacity: 0.6;
}
.section-tag::before { right: 0; }
.section-tag::after  { left: 0; }

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 540px;
  margin: 0 auto;
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
.fade-in-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* stagger for grids */
.services__grid .fade-in-up:nth-child(1) { transition-delay: 0s; }
.services__grid .fade-in-up:nth-child(2) { transition-delay: 0.1s; }
.services__grid .fade-in-up:nth-child(3) { transition-delay: 0.2s; }

/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(13, 13, 13, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
.header.scrolled {
  background: rgba(13, 13, 13, 0.92);
}

.header__inner {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  display: flex;
  align-items: center;
  gap: 2rem;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  text-decoration: none;
  flex-shrink: 0;
}
.logo__letter {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 300;
  color: var(--gold);
  line-height: 1;
  letter-spacing: -0.02em;
}
.logo__text {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-top: 2px;
}

/* Nav */
.nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: auto;
}
.nav__link {
  padding: 0.4rem 0.9rem;
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.03em;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  position: relative;
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 60%;
  height: 1px;
  background: var(--gold);
  transition: transform var(--transition);
  transform-origin: center;
}
.nav__link:hover,
.nav__link:focus-visible {
  color: var(--text-primary);
}
.nav__link:hover::after { transform: translateX(-50%) scaleX(1); }

.header__cta { margin-left: 1rem; }

/* Burger */
.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 6px;
  margin-left: auto;
  border-radius: var(--radius-sm);
}
.burger span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--text-primary);
  transition: var(--transition);
  transform-origin: center;
}
.burger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.burger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: calc(var(--header-h) + 2rem) var(--container-pad) 5rem;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.05);
  animation: heroZoom 16s ease-in-out infinite alternate;
}
@keyframes heroZoom {
  from { transform: scale(1.05); }
  to   { transform: scale(1.12); }
}

.hero__bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    160deg,
    rgba(13,13,13,0.88) 0%,
    rgba(13,13,13,0.72) 50%,
    rgba(13,13,13,0.85) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 780px;
}

.hero__eyebrow {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.5rem;
  opacity: 0.9;
}

.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(3.5rem, 9vw, 7.5rem);
  font-weight: 300;
  line-height: 1.0;
  letter-spacing: 0.01em;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}
.hero__title em {
  font-style: italic;
  color: var(--gold);
  display: block;
}

.hero__subtitle {
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 2.5rem;
  letter-spacing: 0.02em;
}

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero__scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: fadeInUp 1s 1s both;
}

.hero__scroll-arrow {
  width: 1px;
  height: 36px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.7); }
  50% { opacity: 1; transform: scaleY(1); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateX(-50%) translateY(16px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ============================================================
   SERVICES
   ============================================================ */
.services {
  padding: 7rem 0;
  background: var(--bg-secondary);
  position: relative;
}
.services::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0.3;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  outline: none;
}
.service-card:hover,
.service-card:focus-visible {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 0 1px rgba(201,169,110,0.2);
}
.service-card--featured {
  border-color: rgba(201, 169, 110, 0.3);
  box-shadow: 0 8px 40px rgba(201, 169, 110, 0.08);
}

.service-card__img-wrap {
  position: relative;
  height: 220px;
  overflow: hidden;
  flex-shrink: 0;
}
.service-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.service-card:hover .service-card__img { transform: scale(1.06); }

.service-card__img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 40%, rgba(13,13,13,0.7) 100%);
}

.service-card__body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex: 1;
}

.service-card__icon {
  color: var(--gold);
  flex-shrink: 0;
}

.service-card__title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: 0.01em;
  color: var(--text-primary);
}

.service-card__desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.service-card__list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.service-card__list li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding-left: 1.1rem;
  position: relative;
}
.service-card__list li::before {
  content: '·';
  position: absolute;
  left: 0;
  color: var(--gold);
  font-weight: 700;
}

.service-card__cta {
  margin-top: auto;
  padding-top: 0.75rem;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--gold);
  text-transform: uppercase;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}
.service-card__cta:hover { color: var(--gold-light); gap: 0.5rem; }

/* ============================================================
   ABOUT
   ============================================================ */
.about {
  padding: 7rem 0;
  background: var(--bg-primary);
}

.about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about__text { display: flex; flex-direction: column; gap: 1.25rem; }

.about__lead {
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 2.5vw, 1.5rem);
  font-weight: 300;
  line-height: 1.55;
  color: var(--text-primary);
  font-style: italic;
}

.about__body { color: var(--text-secondary); line-height: 1.8; }

.about__stats {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  padding-top: 0.5rem;
}

.about__stat { display: flex; flex-direction: column; }
.about__stat-number {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 300;
  color: var(--gold);
  line-height: 1;
}
.about__stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  margin-top: 0.25rem;
}

.about__values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.value-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: var(--transition);
}
.value-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
}

.value-card__icon {
  font-size: 1.4rem;
  color: var(--gold);
  margin-bottom: 0.75rem;
  display: block;
}
.value-card__title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 400;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}
.value-card__desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ============================================================
   MAP SECTION
   ============================================================ */
.map-section {
  padding: 7rem 0 0;
  background: var(--bg-secondary);
}

.map-section__inner {
  display: grid;
  grid-template-columns: 380px 1fr;
  min-height: 460px;
  margin-top: 3rem;
}

.map-section__info {
  background: var(--bg-card);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  border: 1px solid var(--border);
  border-right: none;
  border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}

.map-info-block {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}
.map-info-block__icon {
  color: var(--gold);
  flex-shrink: 0;
  margin-top: 2px;
}
.map-info-block strong {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.25rem;
}
.map-info-block p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}
.map-info-block a { color: var(--text-primary); transition: var(--transition); }
.map-info-block a:hover { color: var(--gold); }

.map-section__map-btn { align-self: flex-start; margin-top: auto; }

.map-section__embed {
  position: relative;
  min-height: 460px;
  overflow: hidden;
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  border: 1px solid var(--border);
  border-left: none;
}
.map-section__embed iframe {
  width: 100%;
  height: 100%;
  min-height: 460px;
  filter: grayscale(0.3) invert(0.92) hue-rotate(180deg);
  opacity: 0.88;
  transition: var(--transition);
}
.map-section__embed:hover iframe {
  opacity: 1;
  filter: grayscale(0) invert(0.92) hue-rotate(180deg);
}

/* ============================================================
   CONTACTS
   ============================================================ */
.contacts {
  padding: 7rem 0;
  background: var(--bg-primary);
}

.contacts__inner { max-width: 680px; margin: 0 auto; }

.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group--full { grid-column: 1 / -1; }

.form-label {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.form-input {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.875rem 1rem;
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: var(--transition);
  outline: none;
  -webkit-appearance: none;
}
.form-input:hover { border-color: rgba(201,169,110,0.3); }
.form-input:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201,169,110,0.12);
}
.form-input::placeholder { color: var(--text-muted); }
.form-input.is-error { border-color: #e05252; }

.form-select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='%23c9a96e' stroke-width='2' viewBox='0 0 24 24'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}
.form-select option { background: var(--bg-card); color: var(--text-primary); }

.form-textarea { resize: vertical; min-height: 120px; }

.form-error {
  font-size: 0.78rem;
  color: #e05252;
  min-height: 1rem;
  display: block;
}

.form-submit {
  width: 100%;
  justify-content: center;
  padding: 1rem;
  font-size: 0.95rem;
  position: relative;
}

.form-submit__loading { display: none; }
.form-submit.is-loading .form-submit__text { display: none; }
.form-submit.is-loading .form-submit__loading { display: block; }

.form-success {
  display: none;
  grid-column: 1 / -1;
  text-align: center;
  padding: 2rem;
  background: rgba(201, 169, 110, 0.08);
  border: 1px solid rgba(201, 169, 110, 0.3);
  border-radius: var(--radius-md);
  color: var(--gold);
}
.form-success.is-visible { display: block; }
.form-success__icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  display: block;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 3.5rem 0 2rem;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 3rem;
  align-items: start;
  margin-bottom: 2.5rem;
}

.footer__tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

.footer__nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer__link {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: var(--transition);
}
.footer__link:hover { color: var(--gold); }

.footer__contacts { display: flex; flex-direction: column; gap: 0.5rem; }
.footer__phone {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--gold);
  transition: var(--transition);
}
.footer__phone:hover { color: var(--gold-light); }
.footer__address {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 0.5rem;
}
.footer__copy {
  font-size: 0.8rem;
  color: var(--text-muted);
}
.footer__sitemap {
  font-size: 0.8rem;
  color: var(--text-muted);
  transition: var(--transition);
}
.footer__sitemap:hover { color: var(--gold); }

/* ============================================================
   MOBILE NAV (overlay)
   ============================================================ */
@media (max-width: 768px) {
  .burger { display: flex; }
  .header__cta { display: none; }

  .nav {
    position: fixed;
    inset: 0;
    top: var(--header-h);
    background: rgba(13,13,13,0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    gap: 0.5rem;
    transform: translateX(100%);
    transition: transform var(--transition);
    z-index: 999;
  }
  .nav.is-open { transform: translateX(0); }
  .nav__link {
    font-size: 1.5rem;
    font-family: var(--font-serif);
    font-weight: 300;
    padding: 0.75rem 2rem;
    width: 100%;
    text-align: center;
    color: var(--text-primary);
  }
  .nav__link::after { display: none; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .services__grid { grid-template-columns: 1fr 1fr; }
  .about__inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .map-section__inner { grid-template-columns: 320px 1fr; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .services__grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .contact-form { grid-template-columns: 1fr; }
  .form-group--full { grid-column: 1; }
  .map-section__inner { grid-template-columns: 1fr; }
  .map-section__info {
    border-right: 1px solid var(--border);
    border-bottom: none;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  }
  .map-section__embed {
    border-left: 1px solid var(--border);
    border-top: none;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    min-height: 300px;
  }
  .map-section__embed iframe { min-height: 300px; }
  .about__values { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; gap: 1.5rem; }
}

@media (max-width: 480px) {
  .hero__actions { flex-direction: column; align-items: stretch; }
  .hero__actions .btn { justify-content: center; }
  .about__stats { gap: 1.25rem; }
}

/* ============================================================
   FOCUS VISIBLE (accessibility)
   ============================================================ */
:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}
:focus:not(:focus-visible) { outline: none; }