:root {
  --green-starbucks: #006241;
  --green-accent: #00754a;
  --green-house: #1e3932;
  --green-uplift: #2b5148;
  --green-light: #d4e9e2;
  --gold: #cba258;
  --gold-light: #dfc49d;
  --neutral-warm: #f2f0eb;
  --ceramic: #edebe9;
  --white: #fff;
  --black: #000;
  --text-black: rgba(0, 0, 0, 0.87);
  --text-soft: rgba(0, 0, 0, 0.6);
  --shadow-card: 0 0 0.5px rgba(0, 0, 0, 0.14), 0 1px 1px rgba(0, 0, 0, 0.24);
  --shadow-float: 0 0 6px rgba(0, 0, 0, 0.24), 0 8px 12px rgba(0, 0, 0, 0.14);
  --shadow-nav: 0 1px 3px rgba(0, 0, 0, 0.1), 0 2px 2px rgba(0, 0, 0, 0.06), 0 0 2px rgba(0, 0, 0, 0.07);
  --page-max: 1180px;
  --side: clamp(18px, 4vw, 56px);
  --cn-sans: "PingFang SC", "Hiragino Sans GB", "Heiti SC", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--neutral-warm);
  color: var(--text-black);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", var(--cn-sans);
  line-height: 1.5;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

.site-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  min-height: 72px;
  padding: 14px var(--side);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow-nav);
  backdrop-filter: blur(14px);
}

.brand {
  color: var(--green-starbucks);
  font-size: 22px;
  font-weight: 800;
}

.nav-links {
  display: flex;
  justify-content: center;
  gap: 28px;
  color: var(--text-black);
  font-size: 14px;
  font-weight: 700;
}

.nav-pill {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 7px 18px;
  border: 1px solid var(--text-black);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 800;
  white-space: nowrap;
}

.section-band {
  width: min(100%, var(--page-max));
  margin: 0 auto;
  padding: clamp(56px, 8vw, 96px) var(--side);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 470px);
  gap: clamp(30px, 6vw, 82px);
  align-items: center;
  min-height: calc(100svh - 72px);
}

.hero-copy {
  display: grid;
  justify-items: start;
  gap: 18px;
}

.soft-label {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 6px 14px;
  border-radius: 999px;
  color: var(--green-starbucks);
  background: var(--green-light);
  font-size: 13px;
  font-weight: 800;
}

.soft-label.light {
  color: var(--green-house);
  background: rgba(212, 233, 226, 0.92);
}

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

h1 {
  max-width: 720px;
  color: var(--green-starbucks);
  font-size: clamp(46px, 7.2vw, 92px);
  font-weight: 800;
  line-height: 1.06;
}

.hero-lead {
  max-width: 600px;
  color: var(--text-black);
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.62;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.btn {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 22px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 800;
}

.btn-primary {
  color: var(--white);
  background: var(--green-accent);
  border: 1px solid var(--green-accent);
}

.btn-outline {
  color: var(--green-accent);
  background: transparent;
  border: 1px solid var(--green-accent);
}

.hero-visual {
  position: relative;
  display: grid;
  justify-items: center;
  gap: 18px;
}

.portrait-card {
  position: relative;
  width: min(100%, 420px);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(145deg, #e9e1d3, #f8f6f0);
  box-shadow: var(--shadow-card);
}

.portrait {
  width: 82%;
  height: 82%;
  object-fit: cover;
  object-position: 50% 8%;
  border-radius: 50%;
}

.hi-bubble {
  position: absolute;
  right: 6%;
  bottom: 13%;
  width: clamp(64px, 8vw, 82px);
  height: clamp(64px, 8vw, 82px);
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--white);
  background: var(--green-accent);
  box-shadow: var(--shadow-float);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", var(--cn-sans);
  font-size: clamp(20px, 2vw, 26px);
  font-weight: 700;
  transform: rotate(-8deg);
}

.credential-card {
  width: min(100%, 420px);
  display: grid;
  gap: 4px;
  padding: 20px 22px;
  border-radius: 18px;
  color: var(--white);
  background: var(--green-house);
  box-shadow: var(--shadow-card);
}

.credential-card::before {
  content: "";
  width: 120px;
  height: 6px;
  display: block;
  margin-bottom: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
}

.credential-card strong {
  font-size: 22px;
}

.credential-card span {
  color: rgba(255, 255, 255, 0.76);
  font-size: 14px;
}

.identity-strip {
  width: min(calc(100% - 2 * var(--side)), var(--page-max));
  margin: 0 auto clamp(22px, 3vw, 34px);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.identity-item {
  min-height: 112px;
  display: grid;
  align-content: center;
  gap: 7px;
  padding: 22px;
  border-radius: 18px;
  background: var(--white);
  box-shadow: var(--shadow-card);
}

.identity-item span {
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 700;
}

.identity-item strong {
  color: var(--green-house);
  font-size: 20px;
  line-height: 1.25;
}

.section-white {
  width: 100%;
  max-width: none;
  background: var(--white);
}

.section-white > * {
  width: min(100%, var(--page-max));
  margin-left: auto;
  margin-right: auto;
}

.section-head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(26px, 4vw, 42px);
}

.section-head h2,
.why-copy h2,
.profile-card h2 {
  color: var(--green-starbucks);
  font-size: clamp(34px, 5vw, 60px);
  font-weight: 800;
  line-height: 1.1;
}

.section-head p,
.why-copy p,
.profile-card p {
  max-width: 780px;
  color: var(--text-soft);
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.72;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.project-card {
  min-height: 278px;
  display: grid;
  align-content: end;
  gap: 14px;
  padding: 26px;
  border-radius: 22px;
  background: var(--neutral-warm);
  box-shadow: var(--shadow-card);
}

.project-mark {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--white);
  background: var(--green-accent);
  font-weight: 800;
}

.project-card h3 {
  color: var(--green-house);
  font-size: 26px;
  line-height: 1.16;
}

.project-card p {
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.6;
}

.tools-section {
  display: grid;
  gap: 8px;
}

.tool-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.85fr);
  gap: 18px;
}

.tool-card {
  min-height: 300px;
  display: grid;
  align-content: space-between;
  gap: 24px;
  padding: clamp(24px, 4vw, 36px);
  border-radius: 22px;
  background: var(--white);
  box-shadow: var(--shadow-card);
}

.tool-card-primary {
  color: var(--white);
  background: var(--green-house);
}

.tool-label {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  padding: 5px 12px;
  border-radius: 999px;
  color: var(--green-house);
  background: var(--green-light);
  font-size: 13px;
  font-weight: 800;
}

.tool-card-primary .tool-label {
  color: var(--green-house);
  background: var(--gold-light);
}

.tool-card h3 {
  margin-top: 18px;
  color: var(--green-house);
  font-size: clamp(26px, 3.4vw, 42px);
  line-height: 1.12;
}

.tool-card-primary h3 {
  color: var(--white);
}

.tool-card p {
  margin-top: 12px;
  color: var(--text-soft);
  font-size: 16px;
  line-height: 1.68;
}

.tool-card-primary p {
  color: rgba(255, 255, 255, 0.76);
}

.tool-link {
  min-height: 48px;
  width: fit-content;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 22px;
  border-radius: 999px;
  color: var(--green-house);
  background: var(--gold-light);
  font-size: 16px;
  font-weight: 900;
}

.tool-link.muted {
  color: var(--green-accent);
  background: transparent;
  border: 1px solid var(--green-accent);
}

.why-band {
  width: 100%;
  max-width: none;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.7fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
  color: var(--white);
  background: var(--green-house);
}

.why-band > * {
  max-width: var(--page-max);
}

.why-copy h2 {
  color: var(--white);
}

.why-copy p {
  color: rgba(255, 255, 255, 0.78);
}

.why-card {
  min-height: 310px;
  display: grid;
  align-content: end;
  gap: 16px;
  padding: clamp(26px, 4vw, 42px);
  border-radius: 24px;
  background: var(--green-uplift);
  box-shadow: var(--shadow-card);
}

.gold-line {
  width: 150px;
  height: 7px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
}

.why-card h3 {
  max-width: 520px;
  color: var(--white);
  font-size: clamp(26px, 3vw, 42px);
  line-height: 1.14;
}

.why-card p {
  color: rgba(255, 255, 255, 0.78);
  font-size: 16px;
  line-height: 1.7;
}

.talk-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.talk-grid span {
  min-height: 64px;
  display: flex;
  align-items: center;
  padding: 16px 18px;
  border-radius: 16px;
  color: var(--green-house);
  background: var(--white);
  box-shadow: var(--shadow-card);
  font-weight: 800;
  line-height: 1.36;
}

.profile-section {
  padding-top: clamp(30px, 5vw, 60px);
}

.profile-card {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(300px, 0.8fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
  padding: clamp(26px, 4vw, 44px);
  border-radius: 26px;
  background: var(--neutral-warm);
}

.profile-list {
  display: grid;
  gap: 10px;
}

.profile-list span {
  display: block;
  padding: 14px 16px;
  border-radius: 14px;
  color: var(--green-house);
  background: var(--white);
  box-shadow: var(--shadow-card);
  font-weight: 800;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  padding: 28px var(--side);
  color: rgba(255, 255, 255, 0.8);
  background: var(--green-house);
}

.site-footer div {
  display: grid;
  gap: 3px;
}

.site-footer strong {
  color: var(--white);
  font-size: 20px;
}

.site-footer a {
  font-weight: 800;
}

@media (max-width: 900px) {
  .site-nav {
    grid-template-columns: 1fr auto;
  }

  .nav-links {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: 0;
    text-align: center;
  }

  .hero-copy {
    justify-items: center;
  }

  .hero-lead {
    max-width: 520px;
  }

  .identity-strip,
  .project-grid,
  .tool-grid,
  .talk-grid,
  .profile-card,
  .why-band {
    grid-template-columns: 1fr;
  }

  .identity-strip {
    width: min(calc(100% - 2 * var(--side)), 560px);
  }

  .section-white > * {
    width: min(100%, 620px);
  }

  .project-card {
    min-height: 210px;
  }

  .why-band {
    padding-left: var(--side);
    padding-right: var(--side);
  }
}

@media (max-width: 560px) {
  .site-nav {
    min-height: 64px;
    padding-top: 12px;
    padding-bottom: 12px;
  }

  .brand {
    font-size: 20px;
  }

  .nav-pill {
    min-height: 34px;
    padding: 6px 14px;
    font-size: 13px;
  }

  .section-band {
    padding-top: 48px;
    padding-bottom: 48px;
  }

  .hero {
    padding-top: 44px;
  }

  h1 {
    font-size: clamp(38px, 12vw, 56px);
  }

  .hero-actions {
    width: 100%;
    justify-content: center;
  }

  .btn {
    min-height: 44px;
    padding: 9px 18px;
    font-size: 14px;
  }

  .portrait-card {
    width: min(100%, 300px);
  }

  .credential-card {
    width: min(100%, 330px);
  }

  .identity-item,
  .project-card,
  .why-card,
  .profile-card {
    border-radius: 20px;
  }

  .talk-grid span {
    min-height: 56px;
  }

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