* {
  box-sizing: border-box;
}

:root {
  --red: #b70f1b;
  --red-dark: #7f0811;
  --ink: #1d1d1f;
  --muted: #6e6e73;
  --soft: #f5f5f7;
  --line: rgba(0,0,0,.08);
  --radius: 34px;
  --max: 1240px;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: #ffffff;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
  line-height: 1.42;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  height: 76px;
  padding: 0 clamp(24px, 5vw, 84px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255,255,255,.76);
  border-bottom: 1px solid rgba(0,0,0,.055);
  backdrop-filter: blur(22px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 18px;
  font-weight: 620;
  letter-spacing: -0.01em;
}

.brand img {
  width: 54px;
  height: 54px;
  object-fit: contain;
  display: block;
}

.nav {
  display: flex;
  gap: 28px;
  font-size: 14px;
  color: #333;
  font-weight: 500;
}

.nav a {
  opacity: .78;
}

.nav a:hover {
  opacity: 1;
  color: var(--red);
}

.hero {
  position: relative;
  min-height: 860px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 96px 20px 86px;
  text-align: center;
  background: #ffffff;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(255,255,255,.02) 0%, rgba(255,255,255,.58) 46%, #ffffff 82%),
    radial-gradient(circle at 50% 8%, rgba(183,15,27,.055), transparent 42%);
}

.hero-bg img {
  position: absolute;
  top: 0;
  left: 50%;
  width: min(1920px, 136vw);
  height: auto;
  transform: translateX(-50%);
  opacity: 1;
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(1120px, 100%);
  margin-top: 270px;
}

.hero-logo {
  width: clamp(82px, 7vw, 118px);
  height: clamp(82px, 7vw, 118px);
  object-fit: contain;
  margin-bottom: 22px;
  filter: drop-shadow(0 18px 28px rgba(7,20,38,.10));
}

.micro-title,
.section-kicker {
  margin: 0 0 16px;
  color: var(--red);
  font-size: 13px;
  font-weight: 650;
  letter-spacing: .11em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 980px;
  margin: 0 auto 22px;
  font-size: clamp(54px, 7.2vw, 94px);
  line-height: 1.03;
  letter-spacing: -0.032em;
  font-weight: 690;
}

.hero-text {
  max-width: 720px;
  margin: 0 auto;
  color: var(--muted);
  font-size: clamp(21px, 2.05vw, 28px);
  line-height: 1.34;
  letter-spacing: -0.01em;
}

.audience {
  margin: 28px auto 0;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
}

.audience span,
.chips span {
  min-height: 44px;
  padding: 0 17px;
  border-radius: 999px;
  background: rgba(245,245,247,.92);
  border: 1px solid rgba(0,0,0,.06);
  color: #2c2c2e;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 540;
  letter-spacing: 0;
}

.actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 34px;
}

.btn {
  min-width: 142px;
  height: 50px;
  padding: 0 24px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 560;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn.dark {
  color: white;
  background: var(--ink);
  box-shadow: 0 16px 35px rgba(0,0,0,.16);
}

.btn.light {
  color: var(--ink);
  background: rgba(245,245,247,.92);
  border: 1px solid rgba(0,0,0,.06);
}

.section {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: 72px 0;
}

.philosophy {
  text-align: center;
  max-width: 980px;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(42px, 5.2vw, 70px);
  line-height: 1.04;
  letter-spacing: -0.028em;
  font-weight: 690;
}

.philosophy p {
  color: var(--muted);
  font-size: clamp(19px, 2.1vw, 24px);
  line-height: 1.36;
  letter-spacing: -0.006em;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  padding-top: 34px;
}

.feature-card {
  overflow: hidden;
  min-height: 585px;
  border-radius: 38px;
  background: #f5f5f7;
  border: 1px solid rgba(0,0,0,.055);
  box-shadow: 0 20px 55px rgba(0,0,0,.055);
}

.feature-card img {
  width: 100%;
  display: block;
}

.feature-card div {
  padding: 30px 32px 34px;
}

.feature-card span {
  color: var(--red);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .14em;
}

.feature-card h3 {
  margin: 12px 0 10px;
  font-size: clamp(34px, 4vw, 48px);
  line-height: 1.04;
  letter-spacing: -0.028em;
  font-weight: 700;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  font-size: 19px;
  letter-spacing: -0.005em;
}

.topics {
  text-align: center;
  max-width: 1080px;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 28px;
}

.about {
  display: grid;
  grid-template-columns: minmax(360px, 500px) 1fr;
  gap: 38px;
  align-items: center;
}

.about-photo {
  position: relative;
  border-radius: 38px;
  overflow: hidden;
  box-shadow: 0 22px 58px rgba(0,0,0,.10);
  min-height: 585px;
  background: #f0f0f2;
}

.about-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.18)),
    radial-gradient(circle at 50% 28%, transparent 38%, rgba(255,255,255,.16) 100%);
  pointer-events: none;
}

.about-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 38%;
  display: block;
  opacity: .90;
  filter: saturate(.94) contrast(.98) brightness(1.03);
}

.about-copy {
  border-radius: 42px;
  background:
    radial-gradient(circle at 8% 0%, rgba(183,15,27,.09), transparent 30%),
    #f5f5f7;
  padding: clamp(34px, 6vw, 64px);
}

.about-logo {
  width: 210px;
  height: 210px;
  object-fit: contain;
  display: block;
  margin-bottom: 30px;
  filter: drop-shadow(0 16px 26px rgba(7,20,38,.07));
}

.about-copy h2 {
  font-size: clamp(30px, 3vw, 40px);
  margin-bottom: 8px;
  letter-spacing: -0.025em;
}

.about-role {
  color: var(--muted);
  font-size: clamp(18px, 2vw, 24px);
  letter-spacing: -0.01em;
  margin-bottom: 18px;
}

.about-text {
  color: #424245;
  font-size: clamp(18px, 1.7vw, 21px);
  line-height: 1.5;
  letter-spacing: -0.004em;
  max-width: 600px;
  margin-bottom: 0;
}

.contact {
  text-align: center;
  padding-top: 34px;
}

.contact a {
  display: inline-flex;
  margin-top: 4px;
  color: var(--ink);
  font-size: clamp(17px, 1.8vw, 23px);
  font-weight: 540;
  letter-spacing: -0.01em;
}

.contact a:hover {
  color: var(--red);
}

.tiny-note {
  width: min(1040px, calc(100% - 40px));
  margin: 0 auto 42px;
  padding: 14px 20px;
  border-top: 1px solid rgba(0,0,0,.08);
  color: #8a8a8f;
  font-size: 10.5px;
  line-height: 1.55;
  text-align: center;
}

.footer {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: 20px 0 34px;
  border-top: 1px solid rgba(0,0,0,.06);
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: #8a8a8f;
  font-size: 13px;
}

.footer div {
  display: flex;
  gap: 16px;
}

.footer a {
  color: #515154;
}

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

@media (max-width: 960px) {
  .about {
    grid-template-columns: 1fr;
  }
  .about-photo {
    min-height: 500px;
  }
}

@media (max-width: 860px) {
  .topbar {
    height: 66px;
    padding: 0 18px;
  }

  .brand img {
    width: 38px;
    height: 38px;
  }

  .nav {
    display: none;
  }

  .hero {
    min-height: auto;
    padding: 84px 18px 62px;
  }

  .hero-bg img {
    width: 1500px;
    max-width: none;
  }

  .hero-content {
    margin-top: 185px;
  }

  .hero-logo {
    width: 78px;
    height: 78px;
  }

  h1 {
    font-size: clamp(44px, 12vw, 64px);
  }

  .hero-text {
    font-size: 19px;
  }

  .section {
    width: min(100% - 26px, 1120px);
    padding: 54px 0;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

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

  .feature-card div {
    padding: 26px 26px 30px;
  }

  .about-photo {
    min-height: 420px;
  }

  .about-logo {
    width: 154px;
    height: 154px;
  }

  .footer {
    width: min(100% - 26px, 1120px);
    flex-direction: column;
  }

  .footer div {
    flex-wrap: wrap;
  }
}