:root {
  --red: #d90429;
  --red-dark: #a80320;
  --ink: #111111;
  --muted: #686868;
  --line: #e7e7e7;
  --paper: #ffffff;
  --soft: #f3f3f1;
  --container: 1160px;
  --shadow: 0 20px 50px rgba(17, 17, 17, 0.08);
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: 'Poppins', sans-serif;
  line-height: 1.6;
}
a {
  color: inherit;
  text-decoration: none;
}
a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--red);
  outline-offset: 4px;
}
main section[id] {
  scroll-margin-top: 76px;
}
.container {
  width: min(calc(100% - 8vw), var(--container));
  margin: 0 auto;
}
.section-pad {
  padding: 120px 0;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(231, 231, 231, 0.7);
  background: rgba(255, 255, 255, 0.82);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}
.navbar {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}
.brand span:first-child {
  margin-right: 0.3rem;
}
.brand-dot {
  color: var(--red);
}
.nav-links {
  display: flex;
  gap: 2.5rem;
  padding: 0;
  margin: 0;
  list-style: none;
  color: #777;
  font-size: 0.85rem;
  font-weight: 600;
}
.nav-links a {
  position: relative;
  padding: 0.5rem 0;
  transition: color 0.25s ease;
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--red);
  transition: width 0.25s ease;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--ink);
}
.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}
.menu-toggle {
  display: none;
  border: 0;
  padding: 0.5rem;
  background: transparent;
  cursor: pointer;
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  margin: 5px 0;
  background: var(--ink);
  transition:
    transform 0.25s ease,
    opacity 0.25s ease;
}
.hero {
  position: relative;
  min-height: calc(100vh - 76px);
  display: flex;
  align-items: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 85% 25%, rgba(217, 4, 41, 0.06), transparent 25%),
    var(--paper);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 8vw;
}
.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin: 0 0 1.5rem;
  color: var(--red);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.68rem;
  font-weight: 700;
}
.eyebrow span {
  width: 28px;
  height: 2px;
  display: inline-block;
  background: currentColor;
}
.eyebrow.light {
  color: #ff758b;
}
h1,
h2,
h3,
p {
  margin-top: 0;
}
h1 {
  max-width: 740px;
  margin-bottom: 1.5rem;
  font-size: clamp(3.2rem, 6.6vw, 6.5rem);
  line-height: 0.98;
  letter-spacing: -0.06em;
  font-weight: 800;
}
h1 em,
.section-heading em {
  color: var(--red);
  font-style: normal;
}
.hero-text {
  max-width: 570px;
  margin-bottom: 2.3rem;
  color: var(--muted);
  font-size: 1rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}
.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  padding: 0.8rem 1.35rem;
  border: 1px solid var(--ink);
  border-radius: 4px;
  font-size: 0.78rem;
  font-weight: 700;
  transition:
    transform 0.25s ease,
    background 0.25s ease,
    color 0.25s ease;
}
.button:hover {
  transform: translateY(-4px);
}
.button-primary {
  border-color: var(--red);
  background: var(--red);
  color: white;
}
.button-primary:hover {
  border-color: var(--red-dark);
  background: var(--red-dark);
}
.button-outline:hover {
  background: var(--ink);
  color: white;
}
.flag-card {
  position: relative;
  min-height: 535px;
  overflow: hidden;
  border-radius: 6px;
  background: var(--ink);
  box-shadow: 0 30px 70px rgba(17, 17, 17, 0.18);
  transition: transform 0.5s ease;
}
.flag-card:hover {
  transform: translateY(-6px);
}
.flag-art {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.flag-art::after {
  position: absolute;
  inset: 0;
  content: '';
  background: linear-gradient(
    180deg,
    rgba(17, 17, 17, 0.08) 20%,
    rgba(17, 17, 17, 0.88) 100%
  );
}
.flag-art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.flag-content {
  position: absolute;
  z-index: 1;
  right: 11%;
  bottom: 13%;
  left: 11%;
  color: white;
}
.flag-content h2 {
  max-width: 430px;
  margin-bottom: 0.6rem;
  font-size: clamp(1.4rem, 2.3vw, 2.2rem);
  line-height: 1.2;
  letter-spacing: -0.04em;
}
.flag-content p:last-child {
  margin-bottom: 0;
  color: #bcbcbc;
  font-size: 0.85rem;
}
.card-number {
  position: absolute;
  top: 1.6rem;
  right: 1.7rem;
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
}
.scroll-cue {
  position: absolute;
  bottom: 2rem;
  left: 4vw;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: #999;
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.scroll-cue span {
  display: block;
  width: 34px;
  height: 1px;
  background: var(--red);
}
.section-heading {
  max-width: 750px;
  margin-bottom: 4rem;
}
.section-heading h2 {
  margin-bottom: 0;
  font-size: clamp(2rem, 4vw, 4.2rem);
  line-height: 1.08;
  letter-spacing: -0.055em;
}
.section-heading-light h2 {
  color: white;
}
.analysis {
  background: var(--soft);
}
.analysis-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.3rem;
}
.info-card {
  position: relative;
  min-height: 0;
  padding: 1.2rem;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: white;
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease,
    border-color 0.3s ease;
}
.info-card-image {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  margin-bottom: 1.1rem;
  border-radius: 3px;
  object-fit: cover;
}
.info-card:hover {
  transform: translateY(-10px);
  border-color: rgba(217, 4, 41, 0.28);
  box-shadow: var(--shadow);
}
.card-index,
.argument-number {
  color: var(--red);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}
.info-card h3 {
  max-width: 220px;
  margin: 0.8rem 0 0.7rem;
  font-size: 1.25rem;
  line-height: 1.25;
  letter-spacing: -0.03em;
}
.info-card p {
  color: var(--muted);
  font-size: 0.84rem;
}
.dark-section {
  background: var(--ink);
  color: white;
}
.arguments {
  overflow: hidden;
}
.argument-list {
  border-top: 1px solid #363636;
}
.argument-item {
  display: grid;
  grid-template-columns: 100px 1fr 30px;
  gap: 2rem;
  align-items: start;
  padding: 2rem 0;
  border-bottom: 1px solid #363636;
}
.argument-item h3 {
  margin-bottom: 0.5rem;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
}
.argument-item p {
  max-width: 600px;
  margin-bottom: 0;
  color: #9e9e9e;
  font-size: 0.9rem;
}
.argument-mark {
  color: var(--red);
  font-size: 1.5rem;
  font-weight: 300;
}
.reflection {
  background: #ececea;
}
.reflection-layout {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 5vw;
  align-items: start;
}
.vertical-label {
  margin: 0;
  color: var(--red);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  writing-mode: vertical-rl;
}
.reflection-card {
  position: relative;
  overflow: hidden;
  padding: clamp(2rem, 6vw, 5.5rem);
  border-radius: 6px;
  background: white;
  box-shadow: var(--shadow);
}
.quote-mark {
  position: absolute;
  top: 0.5rem;
  right: 2rem;
  color: rgba(217, 4, 41, 0.1);
  font-family: Georgia, serif;
  font-size: 13rem;
  line-height: 1;
}
.reflection-card h2 {
  position: relative;
  max-width: 700px;
  margin-bottom: 1.5rem;
  font-size: clamp(2rem, 4.2vw, 4.4rem);
  line-height: 1.08;
  letter-spacing: -0.06em;
}
.reflection-text {
  position: relative;
  max-width: 650px;
  margin-bottom: 2.5rem;
  color: var(--muted);
  font-size: 0.95rem;
}
.reflection-line {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  color: #999;
  font-size: 0.65rem;
}
.reflection-line span {
  width: 36px;
  height: 2px;
  background: var(--red);
}
.conclusion {
  background: var(--red);
  color: white;
}
.conclusion-content {
  max-width: 920px;
}
.conclusion h2 {
  max-width: 740px;
  margin-bottom: 1.2rem;
  font-size: clamp(2.8rem, 6vw, 6.3rem);
  line-height: 0.98;
  letter-spacing: -0.065em;
}
.conclusion-content > p:not(.eyebrow) {
  max-width: 650px;
  margin-bottom: 2.2rem;
  color: #ffdbe1;
  font-size: 0.96rem;
}
.highlight {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.9rem 1.2rem;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 4px;
  font-size: 0.85rem;
}
.site-footer {
  padding: 55px 0;
  background: var(--ink);
  color: white;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 2rem;
}
.footer-brand {
  font-size: 1.35rem;
}
.footer-inner p {
  margin: 0.7rem 0 0;
  color: #878787;
  font-size: 0.75rem;
}
.copyright {
  white-space: nowrap;
}
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay {
  transition-delay: 0.12s;
}
.reveal-delay-2 {
  transition-delay: 0.24s;
}

@media (max-width: 960px) and (min-width: 761px) {
  .nav-links {
    gap: clamp(1rem, 2vw, 1.8rem);
  }
  .hero {
    min-height: 0;
    padding-top: 90px;
    padding-bottom: 110px;
  }
  .hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    gap: 4vw;
  }
  h1 {
    font-size: clamp(3rem, 6vw, 4.6rem);
  }
  .flag-card {
    min-height: 460px;
  }
  .analysis-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .analysis-grid .info-card:last-child {
    width: min(100%, 520px);
    grid-column: 1 / -1;
    justify-self: center;
  }
}

@media (max-width: 760px) {
  .container {
    width: min(calc(100% - 10vw), var(--container));
  }
  .section-pad {
    padding: 82px 0;
  }
  .navbar {
    min-height: 68px;
  }
  .menu-toggle {
    display: block;
    z-index: 2;
  }
  .nav-links {
    position: absolute;
    top: 68px;
    right: 5vw;
    left: 5vw;
    max-height: calc(100vh - 90px);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 0.7rem 1.2rem;
    border: 1px solid var(--line);
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.97);
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition:
      opacity 0.25s ease,
      transform 0.25s ease;
  }
  .nav-links.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }
  .nav-links a {
    display: block;
    padding: 0.75rem 0;
  }
  .menu-toggle.open span:first-child {
    transform: translateY(7px) rotate(45deg);
  }
  .menu-toggle.open span:nth-child(2) {
    opacity: 0;
  }
  .menu-toggle.open span:last-child {
    transform: translateY(-7px) rotate(-45deg);
  }
  .hero {
    min-height: 0;
    padding-top: 82px;
    padding-bottom: 100px;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }
  h1 {
    font-size: clamp(3rem, 14vw, 5rem);
  }
  .hero-text {
    font-size: 0.9rem;
  }
  .hero-actions {
    flex-direction: column;
  }
  .button {
    width: 100%;
  }
  .flag-card {
    min-height: 470px;
  }
  .scroll-cue {
    display: none;
  }
  .section-heading {
    margin-bottom: 2.5rem;
  }
  .section-heading h2 {
    font-size: clamp(2rem, 9vw, 3.4rem);
  }
  .analysis-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .info-card {
    min-height: 0;
    padding: 1.2rem;
  }
  .info-card-image {
    aspect-ratio: 16 / 9;
  }
  .argument-item {
    grid-template-columns: 45px 1fr 20px;
    gap: 0.7rem;
  }
  .argument-item h3 {
    font-size: 1.05rem;
  }
  .argument-item p {
    font-size: 0.82rem;
  }
  .reflection-layout {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .vertical-label {
    writing-mode: initial;
  }
  .reflection-card {
    padding: 2rem 1.5rem;
  }
  .quote-mark {
    right: 0.7rem;
    font-size: 8rem;
  }
  .conclusion h2 {
    font-size: clamp(2.8rem, 13vw, 5rem);
  }
  .highlight {
    align-items: flex-start;
    font-size: 0.78rem;
  }
  .footer-inner {
    align-items: start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}
