* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background: #0B0B0B;
  color: #fff;
  overflow-x: hidden;
}

/* ===== HEADER ===== */
header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 40px;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(10px);
}

.logo {
  height: 36px;
}

.lang button {
  background: transparent;
  border: 1px solid #FFD400;
  color: #FFD400;
  margin-left: 8px;
  padding: 6px 10px;
  cursor: pointer;
}

/* ===== HERO ===== */
.hero {
  height: 100vh;
  background:
    linear-gradient(rgba(0,0,0,0.8), rgba(0,0,0,0.9)),
    url("img/hero.jpg") center/cover no-repeat;
  display: flex;
  align-items: center;
  padding: 0 40px;
  position: relative;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      120deg,
      rgba(255,212,0,0.08),
      rgba(255,212,0,0.08) 1px,
      transparent 1px,
      transparent 120px
    );
  pointer-events: none;
}

.hero-content {
  max-width: 700px;
  z-index: 2;
}

.hero h1 {
  font-size: 54px;
  color: #FFD400;
  margin-bottom: 20px;
}

.hero p {
  font-size: 20px;
  color: #ccc;
}

/* ===== SECTIONS ===== */
section {
  padding: 100px 40px;
}

.services h2,
.contacts h2 {
  font-size: 36px;
  margin-bottom: 40px;
}

/* ===== CARDS ===== */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.card {
  position: relative;
  background: #111;
  border: 1px solid #222;
  overflow: hidden;
  transition: transform .5s ease, box-shadow .5s ease;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    120deg,
    transparent,
    rgba(255,212,0,0.15),
    transparent
  );
  opacity: 0;
  transition: opacity .5s;
}

.card:hover {
  transform: translateY(-12px);
  box-shadow: 0 30px 60px rgba(255,212,0,.25);
}

.card:hover::before {
  opacity: 1;
}

.card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  filter: grayscale(100%) contrast(110%);
}

.card p {
  padding: 24px;
  color: #ccc;
  font-size: 16px;
}

/* ===== CONTACTS ===== */
.contacts {
  background: #111;
}

.contacts p {
  color: #bbb;
  margin: 10px 0;
}

/* ===== FOOTER ===== */
footer {
  text-align: center;
  padding: 30px;
  color: #666;
}

/* ===== ANIMATIONS ===== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 1s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ===== MOBILE ===== */
@media (max-width: 900px) {
  .cards {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 36px;
  }

  header {
    padding: 14px 20px;
  }

  section {
    padding: 80px 20px;
  }
}