/* ============================================
   P01 My Profile
   Concept: 90s Swiss Typography × Personal ZINE
   Palette: off-white / ink / vermillion
   ============================================ */

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-bg:      #F4F1EA;
  --color-bg-alt:  #EDE9E0;
  --color-ink:     #1A1A1A;
  --color-ink-sub: #4A4A46;
  --color-accent:  #C8412C;
  --color-rule:    #1A1A1A;
  --color-rule-lt: #C8C3B8;

  --font-display: "Fraunces", "Shippori Mincho", serif;
  --font-body:    "IBM Plex Sans", "Shippori Mincho", sans-serif;
  --font-jp:      "Shippori Mincho", serif;

  --grid-max: 960px;
  --grid-pad: 32px;

  --transition: 0.25s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-ink);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-ink);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--color-accent); }

ul { list-style: none; }

/* ---------- Utilities ---------- */
.section-number {
  font-family: var(--font-display);
  font-size: 120px;
  font-weight: 900;
  line-height: 1;
  color: var(--color-rule-lt);
  letter-spacing: -0.04em;
  user-select: none;
}

.section-heading {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  border-bottom: 1px solid var(--color-accent);
  display: inline-block;
  padding-bottom: 4px;
  margin-bottom: 40px;
}

/* ---------- Header ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px var(--grid-pad);
  mix-blend-mode: difference;
}

.header__number {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: #fff;
}

.header__nav {
  display: flex;
  gap: 28px;
}

.header__link {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #fff;
  transition: opacity var(--transition);
}
.header__link:hover {
  opacity: 0.5;
  color: #fff;
}

/* ---------- Hero ---------- */
.hero {
  padding: 140px var(--grid-pad) 0;
  max-width: var(--grid-max);
  margin: 0 auto;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 280px;
  grid-template-rows: auto auto;
  gap: 0 48px;
}

.hero__title-block {
  grid-column: 1;
  align-self: end;
}

.hero__issue {
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-ink-sub);
  margin-bottom: 16px;
}

.hero__name {
  font-family: var(--font-display);
  font-size: clamp(56px, 10vw, 96px);
  font-weight: 900;
  line-height: 0.92;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero__name-line {
  display: block;
}

.hero__name-line--indent {
  padding-left: 80px;
  color: var(--color-accent);
}

.hero__role {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 300;
  font-style: italic;
  line-height: 1.5;
  color: var(--color-ink-sub);
}

.hero__photo {
  grid-column: 2;
  grid-row: 1 / 3;
}

.hero__photo img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  filter: grayscale(100%) contrast(1.1);
}

.hero__meta {
  grid-column: 1;
  padding-top: 40px;
}

.hero__facts {
  display: flex;
  gap: 48px;
}

.hero__fact dt {
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-ink-sub);
  margin-bottom: 4px;
}

.hero__fact dd {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 500;
}

.hero__rule {
  margin-top: 48px;
  border: none;
  border-top: 2px solid var(--color-rule);
}

/* ---------- About ---------- */
.about {
  max-width: var(--grid-max);
  margin: 0 auto;
  padding: 80px var(--grid-pad);
}

.about__grid {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 0 48px;
  align-items: start;
}

.about__number { text-align: right; }

.about__lead {
  font-family: var(--font-jp);
  font-size: 18px;
  line-height: 2;
  margin-bottom: 24px;
}

.about__text {
  color: var(--color-ink-sub);
  line-height: 1.9;
}

/* ---------- Skills ---------- */
.skills {
  max-width: var(--grid-max);
  margin: 0 auto;
  padding: 80px var(--grid-pad);
  border-top: 1px solid var(--color-rule-lt);
}

.skills__grid {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 0 48px;
  align-items: start;
}

.skills__number { text-align: right; }

.skills__columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.skills__category {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-rule);
}

.skills__list li {
  font-size: 14px;
  color: var(--color-ink-sub);
  padding: 8px 0;
  border-bottom: 1px solid var(--color-rule-lt);
}

/* ---------- Works ---------- */
.works {
  max-width: var(--grid-max);
  margin: 0 auto;
  padding: 80px var(--grid-pad);
  border-top: 1px solid var(--color-rule-lt);
}

.works__grid {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 0 48px;
  align-items: start;
}

.works__number { text-align: right; }

.works__item {
  display: grid;
  grid-template-columns: 48px 1fr auto;
  gap: 0 24px;
  align-items: baseline;
  padding: 24px 0;
  border-bottom: 1px solid var(--color-rule-lt);
  transition: background-color var(--transition);
}
.works__item:first-child {
  border-top: 2px solid var(--color-rule);
}
.works__item:hover {
  background-color: var(--color-bg-alt);
}

.works__index {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-accent);
}

.works__title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.works__desc {
  grid-column: 2;
  font-size: 13px;
  color: var(--color-ink-sub);
  margin-top: 4px;
}

.works__year {
  font-family: var(--font-display);
  font-size: 13px;
  color: var(--color-ink-sub);
  grid-row: 1;
  grid-column: 3;
}

/* ---------- Contact ---------- */
.contact {
  max-width: var(--grid-max);
  margin: 0 auto;
  padding: 80px var(--grid-pad);
  border-top: 1px solid var(--color-rule-lt);
}

.contact__grid {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 0 48px;
  align-items: start;
}

.contact__number { text-align: right; }

.contact__text {
  font-family: var(--font-jp);
  color: var(--color-ink-sub);
  margin-bottom: 32px;
}

.contact__links {
  display: flex;
  gap: 32px;
}

.contact__link {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--color-rule);
}
.contact__link:hover {
  border-bottom-color: var(--color-accent);
}

/* ---------- Footer ---------- */
.footer {
  border-top: 2px solid var(--color-rule);
  padding: 24px var(--grid-pad);
  max-width: var(--grid-max);
  margin: 0 auto;
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer__colophon {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-ink-sub);
}

.footer__copy {
  font-family: var(--font-display);
  font-size: 13px;
  color: var(--color-ink-sub);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
  :root { --grid-pad: 20px; }

  .section-number { font-size: 72px; }

  .hero { padding-top: 100px; }

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

  .hero__photo {
    grid-column: 1;
    grid-row: auto;
    margin-top: 32px;
  }

  .hero__photo img { height: 300px; }

  .hero__name {
    font-size: clamp(42px, 12vw, 64px);
  }

  .hero__name-line--indent { padding-left: 40px; }

  .hero__meta { padding-top: 24px; }

  .hero__facts { gap: 32px; }

  .about__grid,
  .skills__grid,
  .works__grid,
  .contact__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .about__number,
  .skills__number,
  .works__number,
  .contact__number {
    text-align: left;
  }

  .skills__columns {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .works__item {
    grid-template-columns: 36px 1fr;
  }

  .works__year {
    grid-column: 2;
    grid-row: auto;
    margin-top: 4px;
  }

  .contact__links {
    flex-direction: column;
    gap: 16px;
  }
}

@media (max-width: 480px) {
  .header__nav { gap: 16px; }
  .header__link { font-size: 10px; }

  .hero__name {
    font-size: 38px;
  }

  .hero__name-line--indent { padding-left: 24px; }

  .hero__facts {
    flex-direction: column;
    gap: 16px;
  }

  .footer__inner {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}