:root {
  --bg: #0b0b0d;
  --bg-soft: #121216;
  --panel: rgba(255,255,255,0.04);
  --panel-border: rgba(255,255,255,0.10);
  --text: #e9e9ea;
  --text-soft: #b9bbc2;
  --accent: #8a1f1f;
  --accent-soft: #b43434;
  --max-width: 1280px;
  --radius: 4px;
  --shadow: 0 10px 30px rgba(0,0,0,0.35);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
.is-disabled {
  cursor: help;
  opacity: 0.55;
}

.is-disabled:hover {
  color: var(--text-soft);
}
img {
  display: block;
  width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

.container {
  width: min(calc(100% - 48px), var(--max-width));
  margin: 0 auto;
}

@font-face {
  font-family: "GlaserSteD";
  src: url("../fonts/GlaserSteD.ttf") format("truetype");
  font-display: swap;
}

.brand-font {
  font-family: "GlaserSteD", "Inter", Arial, sans-serif;
  letter-spacing: 0.03em;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: linear-gradient(to bottom, rgba(0,0,0,0.75), rgba(0,0,0,0.18));
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.header-inner {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  font-size: clamp(1.8rem, 2.7vw, 3rem);
  line-height: 1;
  white-space: nowrap;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 28px;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.main-nav a,
.lang-switch a {
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--text-soft);
  transition: color 0.25s ease, opacity 0.25s ease;
}

.main-nav a:hover,
.lang-switch a:hover,
.main-nav a.active,
.lang-switch a.active {
  color: var(--text);
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.lang-switch span {
  color: rgba(255,255,255,0.24);
}

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  isolation: isolate;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(0,0,0,0.82) 0%, rgba(0,0,0,0.64) 40%, rgba(0,0,0,0.42) 100%),
    linear-gradient(180deg, rgba(0,0,0,0.18), rgba(0,0,0,0.5)),
    url("../images/home/hero.jpg") center center / cover no-repeat;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 72% 30%, rgba(255,255,255,0.06), transparent 35%);
  z-index: -1;
}

.hero-content {
  width: min(760px, 100%);
  padding-top: 80px;
}

.hero-title {
  font-size: clamp(3rem, 8vw, 6.5rem);
  line-height: 0.95;
  margin-bottom: 20px;
  text-wrap: balance;
}

.hero-subtitle {
  max-width: 620px;
  font-size: clamp(1rem, 1.45vw, 1.2rem);
  color: var(--text-soft);
  margin-bottom: 34px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid rgba(255,255,255,0.16);
  background: rgba(255,255,255,0.03);
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: background 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
  box-shadow: var(--shadow);
}

.button:hover {
  background: rgba(255,255,255,0.09);
  border-color: rgba(255,255,255,0.28);
  transform: translateY(-1px);
}

.button.is-accent {
  background: rgba(138,31,31,0.22);
  border-color: rgba(180,52,52,0.55);
}

.button.is-accent:hover {
  background: rgba(138,31,31,0.34);
  border-color: rgba(180,52,52,0.85);
}

main {
  background: linear-gradient(180deg, #0b0b0d 0%, #0d0d10 30%, #0a0a0c 100%);
}

.section {
  padding: 110px 0;
}

.intro {
  padding-top: 88px;
}

.intro-copy {
  max-width: 860px;
  font-size: 1.06rem;
  color: var(--text-soft);
}

.section-label {
  display: inline-block;
  margin-bottom: 18px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1;
  margin-bottom: 20px;
}

.section-copy {
  max-width: 640px;
  color: var(--text-soft);
  font-size: 1rem;
  margin-bottom: 28px;
}

.feature {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 52px;
}

.feature.reverse {
  grid-template-columns: 0.85fr 1.15fr;
}

.feature.reverse .feature-media {
  order: 2;
}

.feature.reverse .feature-content {
  order: 1;
}

.feature-media {
  min-height: 460px;
  background: var(--bg-soft);
  border: 1px solid var(--panel-border);
  overflow: hidden;
  box-shadow: var(--shadow);
  position: relative;
}

.feature-media img {
  height: 100%;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.02);
}

.feature-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.04), rgba(0,0,0,0.16));
  pointer-events: none;
}

.feature-content {
  max-width: 520px;
}

.site-footer {
  padding: 36px 0 44px;
  border-top: 1px solid rgba(255,255,255,0.08);
  background: #09090b;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.footer-links a,
.footer-note {
  color: var(--text-soft);
  font-size: 0.94rem;
}

.footer-links a:hover {
  color: var(--text);
}

@media (max-width: 1100px) {
  .header-inner {
    min-height: auto;
    padding: 18px 0;
    align-items: flex-start;
  }

  .header-right {
    flex-direction: column;
    align-items: flex-end;
    gap: 12px;
  }

  .main-nav ul {
    justify-content: flex-end;
    gap: 16px;
  }
}

@media (max-width: 860px) {
  .feature,
  .feature.reverse {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .feature.reverse .feature-media,
  .feature.reverse .feature-content {
    order: initial;
  }

  .feature-media {
    min-height: 320px;
  }

  .section {
    padding: 84px 0;
  }
}

@media (max-width: 760px) {
  .container {
    width: min(calc(100% - 32px), var(--max-width));
  }

  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .header-right {
    width: 100%;
    align-items: flex-start;
  }

  .main-nav ul {
    gap: 14px 18px;
    justify-content: flex-start;
  }

  .hero {
    min-height: 92vh;
    background:
      linear-gradient(180deg, rgba(0,0,0,0.78) 0%, rgba(0,0,0,0.6) 40%, rgba(0,0,0,0.72) 100%),
      url("../images/home/hero.jpg") center center / cover no-repeat;
  }

  .hero-content {
    padding-top: 120px;
  }

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

  .button {
    width: 100%;
    max-width: 320px;
  }
}