/* ============================================================
   Linktier — /about page styles
   (depends on linktier-v1-core.css tokens + components)
   ============================================================ */

/* ---------- About hero ---------- */
.about-hero {
  padding: calc(var(--header-h) + 96px) 0 96px;
  border-bottom: 1px solid var(--line);
}

.about-hero .container {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.about-hero h1 {
  margin: 0;
  font-size: clamp(34px, 4.2vw, 52px);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.01em;
  text-wrap: pretty;
  max-width: 880px;
}

.about-hero .about-sub {
  margin: 0;
  font-size: 15.5px;
  line-height: 2.05;
  color: var(--ink-2);
  max-width: 720px;
  text-wrap: pretty;
}

/* ---------- Mission ---------- */
.mission {
  padding: 120px 0;
  background: var(--bg-white);
  border-bottom: 1px solid var(--line-soft);
}

.mission-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) 1.2fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
}

.mission-grid .section-head { margin-bottom: 0; }

.mission-body {
  margin: 0;
  font-size: 16px;
  line-height: 2.15;
  color: var(--ink-2);
  text-wrap: pretty;
  padding-top: 10px;
}

/* ---------- Founder ---------- */
.founder {
  padding: 130px 0;
}

.founder-grid {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: clamp(36px, 4.5vw, 64px);
  align-items: start;
}

.founder-portrait {
  padding-top: 6px;
}

.founder-portrait img {
  display: block;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: var(--bg-white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
}

.founder-info {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding-top: 6px;
}

.founder-name {
  margin: 0;
  font-size: clamp(24px, 2.4vw, 30px);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.01em;
}

.founder-title {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--accent);
}

.founder-bio {
  margin: 0;
  font-size: 15px;
  line-height: 2.1;
  color: var(--ink-2);
  text-wrap: pretty;
  max-width: 560px;
}

.founder-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 6px;
  max-width: 560px;
}

/* ---------- Why now ---------- */
.why-now {
  padding: 130px 0;
  background: var(--bg-white);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.why-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 32px 30px 30px;
}

.why-card .why-num {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--accent);
}

.why-card h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink);
  text-wrap: pretty;
}

.why-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.95;
  color: var(--ink-2);
  text-wrap: pretty;
}

/* ---------- Company info ---------- */
.company-info {
  padding: 130px 0;
}

.company-grid {
  display: grid;
  grid-template-columns: minmax(240px, 0.7fr) 1.3fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
}

.company-grid .section-head { margin-bottom: 0; }

.company-table {
  display: flex;
  flex-direction: column;
}

.ci-row {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 24px;
  padding: 18px 4px;
  border-top: 1px solid var(--line);
  align-items: baseline;
}

.ci-row:last-child { border-bottom: 1px solid var(--line); }

.ci-row .ci-k {
  font-size: 13px;
  font-weight: 700;
  color: var(--mut);
  letter-spacing: 0.03em;
}

.ci-row .ci-v {
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--ink);
  text-wrap: pretty;
}

.ci-row .ci-v a {
  color: var(--accent);
  font-weight: 600;
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  transition: border-color 0.25s var(--ease);
}

.ci-row .ci-v a:hover { border-bottom-color: var(--accent); }

/* ---------- Related services (compact) ---------- */
.about-services {
  padding: 130px 0;
  background: var(--bg-white);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.about-svc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.about-svc-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 30px 28px 28px;
}

.about-svc-card .svc-num { font-size: 12.5px; }

.about-svc-card h3 {
  margin: 0;
  font-size: 18.5px;
  font-weight: 700;
  line-height: 1.55;
  text-wrap: pretty;
}

.about-svc-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.95;
  color: var(--ink-2);
  text-wrap: pretty;
}

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .why-grid, .about-svc-grid { grid-template-columns: 1fr; gap: 20px; }
}

@media (max-width: 960px) {
  .about-hero { padding: calc(var(--header-h) + 56px) 0 72px; }
  .mission, .founder, .why-now, .company-info, .about-services { padding: 96px 0; }
  .mission-grid, .company-grid { grid-template-columns: 1fr; gap: 32px; }
  .founder-grid { grid-template-columns: 1fr; gap: 28px; }
  .founder-portrait { padding-top: 0; }
  .founder-portrait img { width: 168px; height: 168px; }
}

@media (max-width: 600px) {
  .mission, .founder, .why-now, .company-info, .about-services { padding: 80px 0; }
  .ci-row { grid-template-columns: 96px 1fr; gap: 16px; }
}


/* About page final structure */
.about-hero {
  padding: calc(var(--header-h) + 78px) 0 88px;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}

.about-hero-inner {
  max-width: 960px;
}

.about-hero h1 {
  margin: 22px 0 32px;
  max-width: 850px;
  font-size: clamp(36px, 4.3vw, 56px);
  font-weight: 700;
  line-height: 1.42;
  letter-spacing: 0.01em;
  text-wrap: balance;
}

.about-hero-copy {
  max-width: 940px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.about-hero-copy p {
  margin: 0;
  font-size: clamp(21px, 2.1vw, 28px);
  line-height: 1.9;
  color: var(--ink-2);
  text-wrap: pretty;
}

.about-mv {
  padding: 92px 0 96px;
  background: var(--bg-white);
  border-bottom: 1px solid var(--line-soft);
}

.about-mv .container {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.about-mv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(34px, 5.5vw, 84px);
  align-items: start;
}

.about-mv-item {
  padding-top: 8px;
  border-top: 1px solid var(--line);
}

.about-mv-label {
  display: block;
  margin-bottom: 22px;
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--accent);
  text-transform: uppercase;
}

.about-mv-item h1,
.about-mv-item h2 {
  margin: 0;
  font-size: clamp(32px, 3.9vw, 50px);
  font-weight: 700;
  line-height: 1.42;
  letter-spacing: 0.01em;
  text-wrap: balance;
}

.about-mv-item .mv-line {
  display: block;
}

.about-founder {
  padding: 112px 0;
}

.about-founder-grid {
  display: grid;
  grid-template-columns: minmax(260px, 360px) minmax(0, 1fr);
  gap: clamp(40px, 7vw, 104px);
  align-items: center;
}

.about-founder-photo img {
  display: block;
  width: min(320px, 100%);
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--bg-white);
  box-shadow: var(--shadow-card);
}

.about-founder-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.about-founder-name {
  margin: 0;
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 700;
  line-height: 1.42;
  letter-spacing: 0.01em;
}

.about-founder-title {
  display: block;
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.founder-career {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 13px;
  max-width: 740px;
}

.founder-career li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink-2);
  text-wrap: pretty;
}

.founder-career li::before {
  content: "";
  width: 7px;
  height: 7px;
  margin-top: 12px;
  border-radius: 2px;
  background: var(--accent);
  transform: rotate(45deg);
  flex: none;
}

.founder-message {
  padding: 116px 0 122px;
  background: var(--bg-white);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.founder-message-inner {
  max-width: 880px;
  margin: 0 auto;
}

.founder-message .microlabel {
  display: block;
  text-align: left;
}

.founder-message h2 {
  margin: 18px 0 50px;
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: 0.01em;
  text-align: left;
  text-wrap: balance;
}

.founder-letter {
  max-width: none;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 28px;
  text-align: left;
}

.founder-letter p {
  margin: 0;
  font-size: clamp(16px, 1.24vw, 18px);
  line-height: 2.18;
  color: var(--ink-2);
  text-wrap: pretty;
}

.company-final {
  padding: 108px 0 124px;
}

.company-final-grid {
  display: grid;
  grid-template-columns: minmax(220px, 0.42fr) minmax(0, 1fr);
  gap: clamp(36px, 6vw, 92px);
  align-items: start;
}

.company-final .section-head {
  margin-bottom: 0;
}

.company-dl {
  margin: 0;
  display: grid;
  grid-template-columns: minmax(150px, 0.32fr) minmax(0, 1fr);
  border-top: 1px solid var(--line);
}

.company-dl dt,
.company-dl dd {
  margin: 0;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.company-dl dt {
  padding-right: 28px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--mut);
}

.company-dl dd {
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink);
  text-wrap: pretty;
}

.company-dl a {
  color: var(--accent);
  font-weight: 700;
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
}

.en-page .founder-message .microlabel,
.en-page .founder-message h2 {
  text-align: center;
}

.en-page .company-dl dd ul {
  margin: 0;
  padding-left: 20px;
}

.en-page .company-dl dd li + li {
  margin-top: 4px;
}

@media (max-width: 960px) {
  .about-hero {
    padding: calc(var(--header-h) + 54px) 0 76px;
  }

  .about-hero h1 {
    font-size: clamp(34px, 5vw, 46px);
  }

  .about-hero-copy p {
    font-size: clamp(20px, 2.6vw, 24px);
  }

  .about-mv {
    padding: 78px 0 82px;
  }

  .about-mv-grid,
  .about-founder-grid,
  .company-final-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .about-founder,
  .founder-message,
  .company-final {
    padding: 86px 0;
  }

  .about-founder-photo img {
    width: 220px;
  }
}

@media (max-width: 600px) {
  .about-hero {
    padding: calc(var(--header-h) + 40px) 0 64px;
  }

  .about-hero h1 {
    margin: 18px 0 26px;
    font-size: 30px;
    line-height: 1.5;
  }

  .about-hero-copy {
    gap: 20px;
  }

  .about-hero-copy p {
    font-size: 19px;
    line-height: 1.95;
  }

  .about-mv {
    padding: 64px 0 70px;
  }

  .about-mv .container {
    gap: 24px;
  }

  .about-mv-grid {
    gap: 40px;
  }

  .about-mv-item h1,
  .about-mv-item h2 {
    font-size: 31px;
    line-height: 1.5;
  }

  .about-founder,
  .founder-message,
  .company-final {
    padding: 78px 0;
  }

  .founder-letter p {
    line-height: 2;
  }

  .founder-message h2 {
    margin-bottom: 38px;
    font-size: 31px;
  }

  .about-founder-photo img {
    width: 190px;
  }

  .founder-career {
    gap: 12px;
  }

  .founder-career li {
    font-size: 14px;
    line-height: 1.85;
  }

  .company-dl {
    grid-template-columns: 1fr;
  }

  .company-dl dt {
    padding: 18px 0 4px;
    border-bottom: none;
  }

  .company-dl dd {
    padding: 0 0 18px;
  }

  .site-footer {
    padding: 40px 0 44px;
  }

  .footer-row {
    align-items: flex-start;
    gap: 22px;
  }

  .footer-brand,
  .footer-row > span:last-child {
    width: 100%;
  }

  .footer-links {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 20px;
  }

  .footer-links a {
    line-height: 1.5;
    word-break: keep-all;
    overflow-wrap: normal;
  }
}