:root {
  --bg: #070709;
  --bg-card: #0a0a0d;
  --bg-elevated: #0e0e12;
  --border: #161619;
  --border-hover: #222228;
  --gold: #D4A843;
  --gold-dark: #A07D2E;
  --gold-light: #F0D68A;
  --white: #FFFFFF;
  --gray: #888888;
  --gray-dim: #555555;
  --gray-muted: #333333;
  --text: #e0e0e0;
  --font-heading: 'Geologica', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --max-w: 1200px;
  --gap: clamp(24px, 4vw, 60px);
}

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

/* ===== PRELOADER ===== */
.preloader {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.preloader.done {
  opacity: 0; transform: translateY(-100%);
  pointer-events: none;
}
.preloader__content {
  display: flex; flex-direction: column; align-items: center; gap: 28px;
}
.preloader__svg { display: block; }

.preloader__tri {
  stroke-dasharray: 460;
  stroke-dashoffset: 460;
  animation: drawTri 2s cubic-bezier(0.4, 0, 0.2, 1) 0.3s forwards;
}
@keyframes drawTri {
  to { stroke-dashoffset: 0; }
}

.preloader__text {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  opacity: 0;
  animation: fadeInText 0.8s ease 1.8s forwards;
}
.preloader__ask {
  font-family: var(--font-heading); font-weight: 600;
  font-size: 36px; letter-spacing: 10px; color: var(--white);
}
.preloader__vision {
  font-family: var(--font-heading); font-weight: 200;
  font-size: 11px; letter-spacing: 8px; color: var(--gold-dark);
}
@keyframes fadeInText {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 var(--gap); }

/* ===== HEADER ===== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 20px 0;
  transition: background 0.4s, padding 0.4s, backdrop-filter 0.4s;
}
.site-header.scrolled {
  background: rgba(7,7,9,.85);
  backdrop-filter: blur(16px);
  padding: 12px 0;
}

.nav {
  display: flex; align-items: center; justify-content: space-between;
}
.nav__logo svg { height: 40px; width: auto; display: block; }
.nav__links { display: flex; gap: 32px; }
.nav__links a {
  font-size: 11px; letter-spacing: 4px; text-transform: uppercase;
  color: var(--gray); transition: color 0.3s;
}
.nav__links a:hover { color: var(--gold); }

.nav__burger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.nav__burger span {
  width: 24px; height: 1.5px; background: var(--gray);
  transition: transform 0.3s, opacity 0.3s;
}
.nav__burger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__burger.open span:nth-child(2) { opacity: 0; }
.nav__burger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-nav {
  position: fixed; inset: 0; z-index: 99;
  display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 24px;
  background: var(--bg); opacity: 0; pointer-events: none; transition: opacity 0.4s;
}
.mobile-nav.open { opacity: 1; pointer-events: all; }
.mobile-nav a {
  font-size: 18px; letter-spacing: 6px; text-transform: uppercase;
  color: var(--gray); transition: color 0.3s;
}
.mobile-nav a:hover { color: var(--gold); }

/* ===== HERO ===== */
.hero {
  min-height: 100vh; display: flex; flex-direction: column;
  align-items: center; justify-content: center; text-align: center;
  padding: 0 var(--gap); position: relative;
  background: url('/assets/img/hero-bg.png') center center / cover no-repeat fixed;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at center, rgba(7,7,9,0.75) 0%, rgba(7,7,9,0.92) 50%, rgba(7,7,9,0.99) 100%);
  z-index: 0;
}
.hero > * { position: relative; z-index: 1; }
main > *:not(.hero) { position: relative; z-index: 2; background: var(--bg); }
.hero__logo { margin-bottom: 32px; perspective: 600px; }
.hero__logo svg { animation: spinY 6s ease-in-out infinite; }
@keyframes spinY {
  0%, 100% { transform: rotateY(0deg); }
  50% { transform: rotateY(360deg); }
}
.hero__title {
  font-family: var(--font-heading); font-weight: 300;
  font-size: clamp(28px, 5vw, 56px); letter-spacing: 3px;
  color: var(--white); margin-bottom: 16px;
}
.hero__subtitle {
  font-size: clamp(12px, 1.5vw, 15px); letter-spacing: 4px;
  text-transform: uppercase; color: var(--gray); margin-bottom: 40px;
}
.hero__scroll {
  position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%);
  width: 1px; height: 48px; background: linear-gradient(to bottom, var(--gold-dark), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse { 0%,100% { opacity: .4; } 50% { opacity: 1; } }

/* ===== SECTIONS ===== */
.section { padding: var(--gap) 0; padding-top: 100px; padding-bottom: 100px; }

.section__label {
  font-family: var(--font-body); font-size: 11px; font-weight: 400;
  letter-spacing: 6px; text-transform: uppercase;
  color: var(--gold-dark); margin-bottom: 20px; display: block;
}
.section__title {
  font-family: var(--font-heading); font-weight: 500;
  font-size: clamp(28px, 4vw, 48px); letter-spacing: 1px;
  color: var(--white); margin-bottom: 24px;
}
.section__text {
  font-size: 16px; line-height: 1.8; color: var(--gray); max-width: 680px;
}
.section__text--center { text-align: center; margin: 0 auto; }

/* ===== ABOUT ===== */
.about { border-top: 1px solid var(--border); }

.about__content {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start;
}
.about__big-text {
  font-family: var(--font-heading); font-weight: 300;
  font-size: clamp(22px, 3vw, 36px); line-height: 1.5; color: var(--white);
}
.about__big-text span { color: var(--gold); }

/* ===== STATS ===== */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px;
  margin-top: 60px; border-top: 1px solid var(--border); padding-top: 60px;
}
.stat { text-align: center; padding: 32px 16px; }
.stat__number {
  display: block; font-family: var(--font-heading); font-weight: 300;
  font-size: clamp(28px, 3.5vw, 48px); color: var(--gold); margin-bottom: 8px;
}
.stat__label {
  font-size: 12px; letter-spacing: 3px; text-transform: uppercase;
  color: var(--gray-dim);
}

/* ===== SERVICES GRID (NEW — cards with images) ===== */
.services__grid-new {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px; margin-top: 48px;
}
.svc-card {
  background: var(--bg-card); border: 1px solid var(--border);
  overflow: hidden; display: flex; flex-direction: column;
  transition: background 0.4s, border-color 0.4s;
}
.svc-card:hover {
  background: var(--bg-elevated); border-color: var(--border-hover);
}
.svc-card__img-wrap {
  position: relative; width: 100%; padding-top: 65%; overflow: hidden;
}
.svc-card__img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; transition: transform 0.6s ease, filter 0.6s ease;
  filter: brightness(0.6);
}
.svc-card:hover .svc-card__img {
  transform: scale(1.05); filter: brightness(0.8);
}
.svc-card__body {
  padding: 24px 20px 28px; display: flex; flex-direction: column; flex-grow: 1;
}
.svc-card__letter {
  font-family: var(--font-heading); font-weight: 200;
  font-size: 48px; color: var(--gold); line-height: 1; margin-bottom: 8px;
}
.svc-card__title {
  font-family: var(--font-heading); font-weight: 500;
  font-size: 18px; color: var(--white); margin-bottom: 10px; letter-spacing: 0.5px;
}
.svc-card__text {
  font-size: 13px; line-height: 1.6; color: var(--gray); flex-grow: 1;
}
.svc-card__arrow {
  font-size: 11px; letter-spacing: 3px; text-transform: uppercase;
  color: var(--gold-dark); margin-top: 16px; transition: color 0.3s;
}
.svc-card:hover .svc-card__arrow { color: var(--gold); }

/* ===== PORTFOLIO GRID ===== */
.portfolio__grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 2px; margin-top: 48px;
}
.project-card {
  background: var(--bg-card); border: 1px solid var(--border);
  display: flex; flex-direction: column; overflow: hidden;
  transition: background 0.4s, border-color 0.4s; position: relative;
}
.project-card:hover {
  background: var(--bg-elevated); border-color: var(--border-hover);
}
.project-card__img-wrap {
  position: relative; width: 100%; padding-top: 56.25%; overflow: hidden;
}
.project-card__img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; transition: transform 0.6s ease, filter 0.6s ease;
  filter: brightness(0.7);
}
.project-card:hover .project-card__img {
  transform: scale(1.05); filter: brightness(0.85);
}
.project-card__body {
  padding: 32px 32px 36px; display: flex; flex-direction: column; flex-grow: 1;
}
.project-card__city {
  font-size: 11px; letter-spacing: 4px; text-transform: uppercase;
  color: var(--gray-dim); margin-bottom: 12px;
}
.project-card__title {
  font-family: var(--font-heading); font-weight: 500;
  font-size: clamp(20px, 2.5vw, 28px); color: var(--white); margin-bottom: 12px;
}
.project-card__desc {
  font-size: 14px; line-height: 1.7; color: var(--gray); flex-grow: 1;
}
.project-card__arrow {
  font-size: 12px; letter-spacing: 3px; text-transform: uppercase;
  color: var(--gold-dark); margin-top: 24px; transition: color 0.3s;
}
.project-card:hover .project-card__arrow { color: var(--gold); }

/* ===== PRODUCTION ===== */
.production { border-top: 1px solid var(--border); }

.capabilities__grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; margin-top: 48px;
}
.cap-card {
  background: var(--bg-card); border: 1px solid var(--border);
  padding: 36px 28px; transition: background 0.4s, border-color 0.4s;
}
.cap-card:hover {
  background: var(--bg-elevated); border-color: var(--border-hover);
}
.cap-card__title {
  font-family: var(--font-heading); font-weight: 500;
  font-size: 17px; color: var(--white); margin-bottom: 12px; letter-spacing: 0.5px;
}
.cap-card__text {
  font-size: 13px; line-height: 1.7; color: var(--gray);
}

/* ===== PORTFOLIO PAGE FILTERS ===== */
.filters { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 40px; }
.filters__btn {
  padding: 8px 20px; font-family: var(--font-body); font-size: 11px;
  letter-spacing: 2px; text-transform: uppercase;
  background: transparent; border: 1px solid var(--border);
  color: var(--gray); cursor: pointer; transition: all 0.3s;
}
.filters__btn:hover,
.filters__btn.active { border-color: var(--gold-dark); color: var(--gold); }

/* ===== PROJECT PAGE ===== */
.project-hero { padding: 160px 0 80px; border-bottom: 1px solid var(--border); }
.project-hero__city {
  font-size: 11px; letter-spacing: 5px; text-transform: uppercase;
  color: var(--gold-dark); margin-bottom: 16px; display: block;
}
.project-hero__title {
  font-family: var(--font-heading); font-weight: 500;
  font-size: clamp(36px, 5vw, 64px); color: var(--white); letter-spacing: 2px;
}
.project-hero__img-wrap {
  margin-top: 40px; width: 100%; max-height: 500px;
  overflow: hidden; border: 1px solid var(--border);
}
.project-hero__img {
  width: 100%; height: 100%; max-height: 500px; object-fit: cover; display: block;
}

.project-body { padding: 60px 0 100px; }
.project-body__text {
  font-size: 17px; line-height: 1.9; color: var(--gray); max-width: 720px;
}
.project-body__tags { display: flex; gap: 10px; margin-top: 32px; flex-wrap: wrap; }
.tag {
  font-size: 11px; letter-spacing: 3px; text-transform: uppercase;
  padding: 6px 16px; border: 1px solid var(--border); color: var(--gray-dim);
}

.project-gallery {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; margin-top: 48px;
}
.project-gallery__item { overflow: hidden; border: 1px solid var(--border); }
.project-gallery__img {
  width: 100%; aspect-ratio: 4 / 3; object-fit: cover;
  display: block; transition: transform 0.5s ease;
}
.project-gallery__item:hover .project-gallery__img { transform: scale(1.04); }

/* ===== CONTACTS ===== */
.contacts__grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; margin-top: 48px;
}
.contacts__info { display: flex; flex-direction: column; gap: 32px; }
.contacts__item-label {
  font-size: 11px; letter-spacing: 5px; text-transform: uppercase;
  color: var(--gray-dim); margin-bottom: 8px;
}
.contacts__item-value {
  font-family: var(--font-heading); font-weight: 400;
  font-size: 22px; color: var(--white); transition: color 0.3s;
}
a.contacts__item-value:hover { color: var(--gold); }
.contacts__item-sub {
  font-size: 13px; color: var(--gray-dim); margin-top: 4px;
}

/* ===== FORM ===== */
.form { display: flex; flex-direction: column; gap: 20px; }
.form__input,
.form__textarea {
  background: var(--bg-card); border: 1px solid var(--border);
  padding: 16px 20px; font-family: var(--font-body); font-size: 15px;
  color: var(--white); outline: none; transition: border-color 0.3s;
}
.form__input:focus,
.form__textarea:focus { border-color: var(--gold-dark); }
.form__textarea { resize: vertical; min-height: 120px; }
.form__input::placeholder,
.form__textarea::placeholder { color: var(--gray-muted); }

/* ===== BUTTON ===== */
.btn {
  display: inline-block; padding: 14px 40px;
  font-family: var(--font-body); font-size: 12px; font-weight: 500;
  letter-spacing: 4px; text-transform: uppercase;
  border: 1px solid var(--gold-dark); color: var(--gold);
  background: transparent; cursor: pointer;
  transition: background 0.3s, color 0.3s;
}
.btn:hover { background: var(--gold); color: var(--bg); }

/* ===== FOOTER ===== */
.site-footer { border-top: 1px solid var(--border); padding: 48px 0; position: relative; z-index: 2; background: var(--bg); }
.footer__inner {
  display: flex; justify-content: space-between; align-items: center;
}
.footer__copy {
  font-size: 12px; color: var(--gray-muted); letter-spacing: 2px;
}
.footer__contacts { display: flex; gap: 32px; }
.footer__contacts a {
  font-size: 13px; color: var(--gray-dim); letter-spacing: 1px; transition: color 0.3s;
}
.footer__contacts a:hover { color: var(--gold); }

/* ===== CTA ===== */
.cta {
  text-align: center; padding: 100px 0; border-top: 1px solid var(--border);
}
.cta__title {
  font-family: var(--font-heading); font-weight: 300;
  font-size: clamp(24px, 3.5vw, 42px); color: var(--white); margin-bottom: 12px;
}
.cta__sub { font-size: 14px; color: var(--gray); margin-bottom: 36px; }

/* ===== BACK LINK ===== */
.back-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; letter-spacing: 3px; text-transform: uppercase;
  color: var(--gray-dim); margin-bottom: 40px; transition: color 0.3s;
}
.back-link:hover { color: var(--gold); }

/* ===== SCROLL REVEAL ===== */
.reveal {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .services__grid-new { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .nav__links { display: none; }
  .nav__burger { display: flex; }

  .about__content { grid-template-columns: 1fr; gap: 32px; }
  .services__grid-new { grid-template-columns: 1fr 1fr; }
  .portfolio__grid { grid-template-columns: 1fr; }
  .capabilities__grid { grid-template-columns: 1fr 1fr; }
  .contacts__grid { grid-template-columns: 1fr; gap: 40px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { flex-direction: column; gap: 16px; text-align: center; }
  .footer__contacts { flex-wrap: wrap; justify-content: center; }
  .project-gallery { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .services__grid-new { grid-template-columns: 1fr; }
  .capabilities__grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .project-gallery { grid-template-columns: 1fr; }
  .project-card__body { padding: 24px 20px 28px; }
  .filters { gap: 6px; }
  .filters__btn { padding: 6px 14px; font-size: 10px; }
}