:root {
  color-scheme: dark;
  --background: #090909;
  --surface: rgba(24, 24, 24, 0.78);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.15);
  --text: #f7f7f7;
  --muted: #a3a3a3;
  --muted-dark: #737373;
  --accent: #d91f26;
  --accent-light: #ff454b;
  --content-width: 1120px;
  --header-height: 76px;
  --shadow-soft: 0 24px 80px rgba(0, 0, 0, 0.35);
  --shadow-red: 0 18px 52px rgba(217, 31, 38, 0.2);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 50% -10%, rgba(144, 0, 8, 0.24), transparent 42rem),
    linear-gradient(180deg, #090909 0%, #0b0b0b 100%);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

a {
  color: inherit;
}

img {
  display: block;
  max-width: 100%;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  color: #fff;
  background: var(--accent);
  border-radius: 8px;
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  right: 0;
  left: 0;
  height: var(--header-height);
  background: rgba(9, 9, 9, 0.58);
  border-bottom: 1px solid transparent;
  transition:
    background-color 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease,
    backdrop-filter 180ms ease;
}

.site-header.scrolled {
  background: rgba(9, 9, 9, 0.86);
  border-color: var(--border);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(18px);
}

.header-inner {
  width: min(var(--content-width), calc(100% - 40px));
  height: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-decoration: none;
}

.brand-logo {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

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

.navigation a {
  position: relative;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 600;
  text-decoration: none;
  transition: color 160ms ease;
}

.navigation a::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 2px;
  content: "";
  background: var(--accent);
  border-radius: 999px;
  transform: scaleX(0);
  transition: transform 160ms ease;
}

.navigation a:hover,
.navigation a:focus-visible {
  color: var(--text);
}

.navigation a:hover::after,
.navigation a:focus-visible::after {
  transform: scaleX(1);
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  color: inherit;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
}

.menu-button span {
  width: 20px;
  height: 2px;
  background: currentColor;
  border-radius: 999px;
  transition:
    transform 180ms ease,
    opacity 180ms ease;
}

.menu-button[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-button[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-button[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  place-items: center;
  overflow: hidden;
  padding: calc(var(--header-height) + 72px) 24px 120px;
  text-align: center;
}

.hero-grid {
  position: absolute;
  inset: 0;
  z-index: -3;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, black 0%, transparent 78%);
}

.hero-glow {
  position: absolute;
  z-index: -2;
  border-radius: 50%;
  pointer-events: none;
}

.hero-glow-large {
  top: 12%;
  left: 50%;
  width: 650px;
  height: 650px;
  background: rgba(160, 0, 10, 0.16);
  filter: blur(95px);
  transform: translateX(-50%);
}

.hero-glow-small {
  right: 12%;
  bottom: 16%;
  width: 260px;
  height: 260px;
  background: rgba(217, 31, 38, 0.08);
  filter: blur(65px);
}

.hero-content {
  width: min(900px, 100%);
}

.hero-logo {
  width: min(390px, 74vw);
  margin: 0 auto;
  filter:
    drop-shadow(0 30px 54px rgba(0, 0, 0, 0.72))
    drop-shadow(0 0 38px rgba(217, 31, 38, 0.2));
  animation: hero-enter 900ms cubic-bezier(.2, .8, .2, 1) both;
}

.eyebrow,
.section-label {
  margin: 24px 0 10px;
  color: var(--accent-light);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.21em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: clamp(4rem, 11vw, 8rem);
  line-height: 0.9;
  letter-spacing: -0.07em;
}

.hero-subtitle {
  margin: 28px 0 0;
  color: var(--text);
  font-size: clamp(1rem, 2.5vw, 1.28rem);
  font-weight: 750;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero-subtitle span {
  color: var(--accent-light);
}

.hero-description {
  margin: 28px 0 0;
  font-size: clamp(1.18rem, 3vw, 1.55rem);
  font-weight: 700;
}

.hero-intro {
  max-width: 620px;
  margin: 16px auto 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 34px;
}

.button {
  min-width: 154px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 22px;
  font-weight: 750;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 11px;
  transition:
    transform 160ms ease,
    background-color 160ms ease,
    border-color 160ms ease,
    box-shadow 160ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  color: #fff;
  background: linear-gradient(180deg, var(--accent-light), var(--accent));
  box-shadow: var(--shadow-red);
}

.button-primary:hover,
.button-primary:focus-visible {
  box-shadow: 0 20px 58px rgba(217, 31, 38, 0.32);
}

.button-secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.035);
  border-color: var(--border-strong);
  backdrop-filter: blur(10px);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  background: rgba(255, 255, 255, 0.075);
  border-color: rgba(255, 255, 255, 0.24);
}

.scroll-indicator {
  position: absolute;
  bottom: 34px;
  width: 28px;
  height: 46px;
  border: 2px solid #555;
  border-radius: 18px;
}

.scroll-indicator span {
  position: absolute;
  top: 9px;
  left: 50%;
  width: 4px;
  height: 8px;
  background: var(--accent-light);
  border-radius: 4px;
  transform: translateX(-50%);
  animation: scroll-dot 1.8s ease-in-out infinite;
}

.content-section {
  width: min(var(--content-width), calc(100% - 40px));
  margin: 0 auto;
  padding: 112px 0;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 50px;
}

.section-heading.centered {
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.section-heading h2,
.contact-section h2 {
  margin: 0;
  font-size: clamp(2.35rem, 5.5vw, 4.25rem);
  line-height: 1.05;
  letter-spacing: -0.05em;
}

.section-description {
  margin: 18px auto 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.about-card {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 28px;
}

.about-copy,
.quote-card {
  padding: 34px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.03), transparent),
    var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(16px);
}

.about-copy {
  color: var(--muted);
  font-size: 1.08rem;
}

.about-copy p {
  margin: 0;
}

.about-copy p + p {
  margin-top: 18px;
}

.quote-card {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  border-color: rgba(217, 31, 38, 0.2);
}

.quote-card::after {
  position: absolute;
  inset: auto -20% -38% 26%;
  height: 220px;
  content: "";
  background: rgba(217, 31, 38, 0.12);
  border-radius: 50%;
  filter: blur(55px);
}

.quote-card p {
  position: relative;
  z-index: 1;
  margin: 0;
  font-size: 1.16rem;
  font-weight: 650;
}

.quote-mark {
  position: absolute;
  top: -18px;
  left: 24px;
  color: rgba(217, 31, 38, 0.22);
  font-size: 9rem;
  font-family: Georgia, serif;
  line-height: 1;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.topic-card {
  position: relative;
  overflow: hidden;
  min-height: 285px;
  padding: 32px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.025), transparent),
    var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(14px);
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.topic-card::after {
  position: absolute;
  right: -70px;
  bottom: -90px;
  width: 180px;
  height: 180px;
  content: "";
  background: rgba(217, 31, 38, 0.08);
  border-radius: 50%;
  filter: blur(40px);
}

.topic-card:hover {
  transform: translateY(-7px);
  border-color: rgba(217, 31, 38, 0.5);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.42);
}

.card-number {
  position: relative;
  z-index: 1;
  margin-bottom: 24px;
  color: rgba(255, 69, 75, 0.32);
  font-size: 3.35rem;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.06em;
}

.topic-card h3 {
  position: relative;
  z-index: 1;
  margin: 0 0 12px;
  font-size: 1.4rem;
}

.topic-card p {
  position: relative;
  z-index: 1;
  margin: 0;
  color: var(--muted);
}

.interest-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  max-width: 920px;
  margin: 0 auto;
}

.interest-chip {
  padding: 13px 18px;
  color: #d7d7d7;
  font-size: 0.98rem;
  font-weight: 650;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--border);
  border-radius: 999px;
  backdrop-filter: blur(12px);
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    background-color 160ms ease,
    box-shadow 160ms ease;
}

.interest-chip:hover {
  transform: translateY(-3px);
  background: rgba(217, 31, 38, 0.08);
  border-color: rgba(217, 31, 38, 0.5);
  box-shadow: 0 12px 28px rgba(217, 31, 38, 0.12);
}

.contact-section {
  position: relative;
  width: min(860px, calc(100% - 40px));
  margin: 44px auto 110px;
  overflow: hidden;
  padding: 78px 28px;
  text-align: center;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.035), transparent),
    var(--surface);
  border: 1px solid rgba(217, 31, 38, 0.28);
  border-radius: 24px;
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(16px);
}

.contact-glow {
  position: absolute;
  z-index: -1;
  top: -90px;
  left: 50%;
  width: 460px;
  height: 260px;
  background: rgba(217, 31, 38, 0.16);
  border-radius: 50%;
  filter: blur(75px);
  transform: translateX(-50%);
}

.contact-section p:not(.section-label) {
  margin: 18px 0 30px;
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--border);
}

.footer-inner {
  width: min(var(--content-width), calc(100% - 40px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  padding: 34px 0 42px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 13px;
}

.footer-logo {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.footer-brand div {
  display: flex;
  flex-direction: column;
}

.footer-brand strong {
  font-size: 1rem;
}

.footer-brand span {
  color: var(--muted-dark);
  font-size: 0.84rem;
}

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px 18px;
  color: var(--muted-dark);
  font-size: 0.85rem;
}

.footer-meta a {
  color: #cfcfcf;
  text-decoration: none;
}

.footer-meta a:hover,
.footer-meta a:focus-visible {
  color: var(--accent-light);
}

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition:
    opacity 650ms ease,
    transform 650ms cubic-bezier(.2, .8, .2, 1);
}

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

:focus-visible {
  outline: 3px solid rgba(255, 69, 75, 0.75);
  outline-offset: 4px;
}

@keyframes hero-enter {
  from {
    opacity: 0;
    transform: translateY(-18px) scale(0.97);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes scroll-dot {
  0% {
    opacity: 0;
    transform: translate(-50%, 0);
  }

  30% {
    opacity: 1;
  }

  100% {
    opacity: 0;
    transform: translate(-50%, 16px);
  }
}

@media (max-width: 860px) {
  .menu-button {
    display: flex;
  }

  .navigation {
    position: fixed;
    top: var(--header-height);
    right: 20px;
    left: 20px;
    display: grid;
    gap: 4px;
    padding: 12px;
    background: rgba(16, 16, 16, 0.96);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(18px);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition:
      opacity 170ms ease,
      transform 170ms ease;
  }

  .navigation.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .navigation a {
    padding: 12px 14px;
    border-radius: 10px;
  }

  .navigation a::after {
    display: none;
  }

  .about-card,
  .card-grid {
    grid-template-columns: 1fr;
  }

  .topic-card {
    min-height: auto;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-meta {
    justify-content: flex-start;
  }
}

@media (max-width: 600px) {
  :root {
    --header-height: 68px;
  }

  .header-inner {
    width: min(100% - 28px, var(--content-width));
  }

  .brand-logo {
    width: 40px;
    height: 40px;
  }

  .hero {
    padding-top: calc(var(--header-height) + 46px);
  }

  .hero h1 {
    font-size: clamp(3.5rem, 20vw, 5.4rem);
  }

  .hero-subtitle {
    letter-spacing: 0.1em;
  }

  .hero-actions {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }

  .button {
    width: 100%;
  }

  .content-section {
    width: min(100% - 28px, var(--content-width));
    padding: 84px 0;
  }

  .about-copy,
  .quote-card,
  .topic-card {
    padding: 26px;
  }

  .contact-section {
    width: min(100% - 28px, 860px);
    padding: 62px 22px;
  }

  .footer-inner {
    width: min(100% - 28px, var(--content-width));
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}