*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-bg: #fff;
  --color-text: #0a0a0a;
  --color-muted: #888;
  --color-border: #d0d0d0;
  --font: "Space Grotesk", sans-serif;
  --font-mono: "Space Mono", monospace;
}

html {
  font-size: 16px;
}

body {
  font-family: var(--font);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* ---- HEADER ---- */

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem 2.5rem;
}

.logo {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-text);
}

.header-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-muted);
  letter-spacing: 0.06em;
}

/* ---- GRID ---- */

.grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  padding: 0 2.5rem 2.5rem;
}

/* ---- BOX ---- */

.box {
  border: 1px solid var(--color-border);
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 260px;
  position: relative;
  transition: transform 0.35s cubic-bezier(0.23, 1, 0.32, 1),
              box-shadow 0.35s cubic-bezier(0.23, 1, 0.32, 1),
              z-index 0s;
  text-decoration: none;
  color: var(--color-text);
  cursor: default;
  /* collapse shared borders */
  margin-top: -1px;
  margin-left: -1px;
}

a.box {
  cursor: pointer;
}

.box:hover {
  transform: scale(1.04);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12), 0 0 0 1px var(--color-text);
  z-index: 10;
  border-color: var(--color-text);
  background: var(--color-bg);
}

.box-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-muted);
  margin-bottom: 1.5rem;
}

.box-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.box-footer {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--color-muted);
  letter-spacing: 0.06em;
  margin-top: 1.5rem;
  text-transform: uppercase;
}

/* ---- HERO BOX ---- */

.box-hero {
  grid-column: span 2;
  grid-row: span 2;
  min-height: 400px;
  cursor: default;
}

h1 {
  font-size: 2rem;
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.35;
}

/* ---- ABOUT / WORK BOXES ---- */

.box-about,
.box-work {
  grid-column: span 2;
}

/* ---- EXPERIENCE BOX ---- */

.box-experience,
.box-education {
  grid-column: span 2;
}

.exp-list {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.exp-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--color-border);
}

.exp-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.exp-company {
  font-weight: 500;
  font-size: 1rem;
}

.exp-role {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

h2 {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.6rem;
}

.box p {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--color-muted);
}

/* ---- CONTACT BOX ---- */

.box-contact {
  grid-column: span 2;
}

.big-text {
  font-size: 1.6rem;
  font-weight: 300;
  letter-spacing: -0.01em;
}

/* ---- RESUME BOX ---- */

.box-resume .big-text {
  font-size: 2rem;
  font-weight: 300;
}

/* ---- LINKS BOX ---- */

.link-grid {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.link-grid a {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  transition: color 0.2s;
}

.link-grid a:hover {
  color: var(--color-muted);
}

.link-grid a.disabled {
  color: var(--color-border);
  pointer-events: none;
}

/* ---- SUBPAGES ---- */

.box-page-hero {
  grid-column: span 4;
  min-height: auto;
}

.box-page-hero .box-footer a {
  color: var(--color-muted);
  text-decoration: none;
  font-family: var(--font-mono);
  transition: color 0.2s;
}

.box-page-hero .box-footer a:hover {
  color: var(--color-text);
}

.box-page-content,
.box-page-section {
  grid-column: span 4;
  min-height: auto;
}

.box-page-content p,
.box-page-section p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: 1.5rem;
}

.box-page-content p:last-child,
.box-page-section p:last-child {
  margin-bottom: 0;
}

/* ---- RESPONSIVE ---- */

@media (max-width: 1024px) {
  header { padding: 1.5rem; }

  .grid {
    grid-template-columns: repeat(2, 1fr);
    padding: 0 1.5rem 1.5rem;
  }

  .box-hero {
    grid-row: span 1;
    min-height: 280px;
  }
}

@media (max-width: 600px) {
  header { padding: 1.2rem 1rem; }

  .grid {
    grid-template-columns: 1fr;
    padding: 0 1rem 1rem;
  }

  .grid > * {
    grid-column: span 1;
    grid-row: span 1;
  }

  .box { min-height: 200px; }
  h1 { font-size: 1.6rem; }
  .big-text { font-size: 1.2rem; }
  .box:hover { transform: scale(1.02); }
}