@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@300;400;500;600;700&family=Syne:wght@400;500;600;700&display=swap');

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

:root {
  --c-black: #000000;
  --c-white: #ffffff;
  --c-accent: #000000;
  --c-gray-100: #f5f5f5;
  --c-gray-200: #e0e0e0;
  --c-gray-500: #777777;
  --c-gray-800: #1a1a1a;
  --font-heading: 'Syne', sans-serif;
  --font-body: 'Manrope', sans-serif;
  --nav-height: 64px;
  --announce-height: 36px;
  --transition: 220ms ease;
  --radius: 4px;
  --max-w: 1200px;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background: var(--c-black);
  color: var(--c-white);
  line-height: 1.65;
  min-height: 100vh;
  overflow-x: hidden;
}

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

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

ol, ul {
  list-style: none;
}

button {
  background: none;
  border: none;
  cursor: pointer;
  color: inherit;
  font-family: inherit;
}

/* === ANNOUNCE BAR === */
.announce-bar {
  width: 100%;
  background: var(--c-white);
  color: var(--c-black);
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-align: center;
  padding: 0 1rem;
  height: var(--announce-height);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 200;
}

/* === HEADER === */
.site-header {
  position: sticky;
  top: 0;
  z-index: 150;
  background: var(--c-black);
  border-bottom: 1px solid var(--c-white);
  height: var(--nav-height);
}

.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
}

.header-brand {
  display: flex;
  justify-content: center;
  align-items: center;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--c-white);
}

.site-logo {
  height: 36px;
  width: auto;
}

.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--c-white);
  transition: background var(--transition);
}

.hamburger:hover span {
  background: var(--c-gray-200);
}

.header-nav {
  display: flex;
  justify-content: flex-end;
}

.header-nav ol {
  display: flex;
  gap: 0;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.header-nav ol li a {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--c-white);
  padding: 0 0.75rem;
  display: flex;
  align-items: center;
  height: 44px;
  min-height: 44px;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition), color var(--transition);
}

.header-nav ol li a:hover {
  border-bottom-color: var(--c-white);
}

/* === OVERLAY MENU === */
.overlay-menu {
  position: fixed;
  inset: 0;
  background: var(--c-black);
  z-index: 500;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 250ms ease;
}

.overlay-menu[aria-hidden="false"] {
  opacity: 1;
  pointer-events: all;
}

.overlay-close {
  position: absolute;
  top: 1.5rem;
  right: 2rem;
  font-size: 2rem;
  color: var(--c-white);
  min-height: 44px;
  min-width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity var(--transition);
}

.overlay-close:hover {
  opacity: 0.6;
}

.overlay-nav ol {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  counter-reset: nav-counter;
}

.overlay-nav ol li {
  counter-increment: nav-counter;
}

.overlay-nav ol li a {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--c-white);
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.5rem 1.5rem;
  min-height: 48px;
  transition: opacity var(--transition);
}

.overlay-nav ol li a::before {
  content: counter(nav-counter, decimal-leading-zero);
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 300;
  opacity: 0.4;
  letter-spacing: 0.1em;
}

.overlay-nav ol li a:hover {
  opacity: 0.6;
}

/* === HERO === */
.hero-section {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 220px 1fr 1fr;
  grid-template-rows: 1fr;
  border-bottom: 1px solid var(--c-white);
  scroll-margin-top: calc(var(--nav-height) + var(--announce-height));
}

.hero-aside {
  border-right: 1px solid var(--c-white);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 3rem 1.5rem;
  gap: 2rem;
}

.hero-badge {
  display: inline-block;
  border: 1px solid var(--c-white);
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  padding: 0.35rem 0.75rem;
  width: fit-content;
  border-radius: var(--radius);
}

.hero-tag {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  opacity: 0.7;
  writing-mode: vertical-rl;
  text-orientation: mixed;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.hero-stat strong {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  display: block;
}

.hero-stat span {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  opacity: 0.5;
}

.hero-figure {
  border-right: 1px solid var(--c-white);
  overflow: hidden;
  margin: 0;
  position: relative;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 600ms ease;
}

.hero-figure:hover .hero-img {
  transform: scale(1.03);
}

.hero-placeholder {
  width: 100%;
  height: 100%;
  background: var(--c-gray-800);
  display: grid;
  place-items: center;
}

.hero-placeholder span {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 6vw, 5rem);
  font-weight: 700;
  opacity: 0.15;
  letter-spacing: 0.1em;
}

.hero-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 4rem 3rem;
  gap: 2rem;
}

.hero-content h1 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.hero-desc {
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.7;
  opacity: 0.75;
  max-width: 36ch;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--c-white);
  color: var(--c-black);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 0.85rem 2.5rem;
  min-height: 48px;
  border-radius: var(--radius);
  border: 2px solid var(--c-white);
  transition: background var(--transition), color var(--transition);
}

.cta-btn:hover {
  background: transparent;
  color: var(--c-white);
}

/* === CONTENT SECTION === */
.content-section {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 5rem 2rem;
  display: grid;
  grid-template-columns: 220px 120px 1fr;
  gap: 3rem;
  align-items: start;
}

.content-aside {
  position: sticky;
  top: calc(var(--nav-height) + 2rem);
}

.aside-index {
  border-top: 2px solid var(--c-white);
  padding-top: 1.25rem;
}

.aside-index dt {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  opacity: 0.45;
  margin-bottom: 1rem;
}

.aside-index dd {
  margin-bottom: 0.5rem;
}

.aside-index dd a {
  font-size: 0.82rem;
  font-weight: 500;
  opacity: 0.7;
  transition: opacity var(--transition);
  display: flex;
  align-items: center;
  padding: 0.3rem 0;
  min-height: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.aside-index dd a:hover {
  opacity: 1;
}

.content-figure {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding-top: 0.5rem;
}

.geo-block {
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius);
}

.geo-block--1 {
  height: 80px;
  background: rgba(255,255,255,0.03);
}

.geo-block--2 {
  height: 40px;
  background: rgba(255,255,255,0.06);
}

/* === PAGE CONTENT === */
.page-content-body {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--c-white);
}

.page-content-body section {
  scroll-margin-top: calc(var(--nav-height) + 2rem);
  margin-bottom: 4rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}

.page-content-body section:last-child {
  border-bottom: none;
}

.page-content-body h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 3px solid var(--c-white);
}

.page-content-body small {
  display: block;
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  opacity: 0.45;
  margin-bottom: 0.5rem;
}

.page-content-body h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  margin: 1.75rem 0 0.75rem;
}

.page-content-body p {
  margin-bottom: 1.1rem;
  opacity: 0.88;
}

.page-content-body ul,
.page-content-body ol {
  margin: 1rem 0 1.25rem 1.25rem;
}

.page-content-body ul { list-style: disc; }
.page-content-body ol { list-style: decimal; }

.page-content-body li {
  margin-bottom: 0.5rem;
  line-height: 1.65;
}

.page-content-body a {
  border-bottom: 1px solid rgba(255,255,255,0.4);
  transition: border-color var(--transition);
}

.page-content-body a:hover {
  border-bottom-color: var(--c-white);
}

.page-content-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}

.page-content-body th,
.page-content-body td {
  padding: 0.75rem 1rem;
  border: 1px solid rgba(255,255,255,0.15);
  text-align: left;
}

.page-content-body th {
  background: rgba(255,255,255,0.07);
  font-weight: 600;
}

.page-content-body blockquote {
  border-left: 3px solid var(--c-white);
  padding: 0.75rem 1.5rem;
  margin: 1.5rem 0;
  opacity: 0.75;
  font-style: italic;
}

/* === CARDS inside content === */
.page-content-body .card,
.page-content-body div {
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.12);
  border-bottom: 3px solid var(--c-white);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.25rem;
  transition: border-color var(--transition), background var(--transition);
}

.page-content-body .card:hover,
.page-content-body div:hover {
  background: rgba(255,255,255,0.04);
}

/* === FOOTER === */
.site-footer {
  background: var(--c-black);
  border-top: 1px solid var(--c-white);
  padding: 3rem 2rem 0;
}

.footer-top {
  max-width: var(--max-w);
  margin: 0 auto 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}

.footer-brand-area strong {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  display: block;
  margin-bottom: 0.5rem;
}

.footer-brand-area p {
  font-size: 0.85rem;
  opacity: 0.5;
  max-width: 48ch;
}

.footer-cols {
  max-width: var(--max-w);
  margin: 0 auto 2.5rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.footer-cols dl dt {
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  opacity: 0.4;
  margin-bottom: 1rem;
}

.footer-cols dl dd {
  margin-bottom: 0.5rem;
  font-size: 0.85rem;
  opacity: 0.65;
}

.footer-cols dl dd a {
  transition: opacity var(--transition);
  display: inline-flex;
  align-items: center;
  min-height: 40px;
}

.footer-cols dl dd a:hover {
  opacity: 1;
}

.footer-bottom {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 1.25rem 0;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  opacity: 0.45;
  gap: 1rem;
  flex-wrap: wrap;
}

/* === SCROLL REVEAL === */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 500ms ease, transform 500ms ease;
}

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

/* === SECTION SCROLL MARGIN === */
section[id] {
  scroll-margin-top: calc(var(--nav-height) + var(--announce-height) + 1rem);
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .hero-section {
    grid-template-columns: 160px 1fr 1fr;
  }

  .content-section {
    grid-template-columns: 180px 1fr;
    grid-template-rows: auto auto;
  }

  .content-figure {
    display: none;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 56px;
  }

  .header-inner {
    padding: 0 1rem;
    grid-template-columns: auto 1fr auto;
  }

  .header-brand {
    justify-content: flex-start;
    padding-left: 0.5rem;
  }

  .header-nav {
    display: none;
  }

  .hero-section {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    min-height: auto;
  }

  .hero-aside {
    border-right: none;
    border-bottom: 1px solid rgba(255,255,255,0.15);
    flex-direction: row;
    justify-content: flex-start;
    align-items: center;
    padding: 1.5rem 1rem;
    gap: 1.5rem;
    flex-wrap: wrap;
  }

  .hero-tag {
    writing-mode: horizontal-tb;
  }

  .hero-figure {
    border-right: none;
    border-bottom: 1px solid rgba(255,255,255,0.15);
    min-height: 260px;
  }

  .hero-content {
    padding: 3rem 1.5rem;
  }

  .content-section {
    grid-template-columns: 1fr;
    padding: 3rem 1rem;
  }

  .content-aside {
    position: static;
    border-top: 1px solid rgba(255,255,255,0.15);
    padding-top: 1.5rem;
  }

  .content-figure {
    display: none;
  }

  .footer-cols {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .overlay-nav ol li a {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .hero-content {
    padding: 2rem 1rem;
  }

  .hero-content h1 {
    font-size: 1.75rem;
  }

  .footer-cols {
    padding: 0;
  }

  .site-footer {
    padding: 2rem 1rem 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .hero-img, .cta-btn, .overlay-menu,
  .header-nav ol li a, .aside-index dd a,
  .hamburger span, .overlay-close {
    transition: none;
  }
}