.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  min-width: 1180px;
  height: var(--header-height);
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr) 280px;
  align-items: center;
  gap: var(--space-8);
  padding: 0 max(40px, calc((100% - var(--container-wide)) / 2));
  color: var(--color-dark-shade);
  background: rgba(250, 250, 249, 0.96);
  transition:
    box-shadow 220ms ease,
    background-color 220ms ease;
}

.site-header--scrolled {
  background: rgba(250, 250, 249, 0.92);
  box-shadow: 0 1px 0 var(--color-border-soft);
  backdrop-filter: blur(16px);
}

.brand {
  justify-self: start;
  color: var(--color-dark-shade);
  font-family: var(--font-display);
  font-size: 27px;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
}

.site-nav {
  justify-self: center;
}

.site-nav__panel {
  display: inline-flex;
  align-items: center;
  gap: 24px;
}

.site-nav__panel a {
  padding: 8px 0 6px;
  border-bottom: 1px solid currentColor;
  color: var(--color-dark-shade);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  transition:
    color 180ms ease,
    border-color 180ms ease;
}

.site-nav__panel a:hover {
  color: var(--color-brand);
  border-color: var(--color-brand);
}

.menu-toggle {
  display: none;
}

.header-contact {
  justify-self: end;
  display: grid;
  gap: 6px;
  color: var(--color-dark-accent);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.05em;
  line-height: 1.2;
  text-align: right;
  text-transform: uppercase;
}

.header-contact a {
  color: inherit;
  transition: color 180ms ease;
}

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

.hero {
  background: var(--color-light-accent);
  padding: 92px 0 122px;
}

.hero__inner {
  width: min(var(--container), calc(100% - 80px));
  margin: 0 auto;
}

.hero h1 {
  max-width: 1060px;
  margin-top: var(--space-7);
  font-size: 68px;
  line-height: 1.3;
}

.hero__summary {
  width: 840px;
  margin-top: var(--space-12);
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  gap: var(--space-10);
  align-items: center;
}

.hero__metric {
  padding-right: var(--space-8);
  border-right: 1px solid var(--color-border);
}

.hero__metric strong {
  display: block;
  color: var(--color-dark-shade);
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 400;
  line-height: 1;
}

.hero__metric strong span {
  color: var(--color-brand);
}

.hero__metric small {
  display: block;
  margin-top: var(--space-4);
  color: var(--color-dark-shade);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.07em;
  line-height: 1.35;
  text-transform: uppercase;
}

.hero__summary p {
  max-width: 520px;
  font-size: 18px;
  line-height: 1.72;
}

.hero__footer {
  margin-top: var(--space-12);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.activity-section {
  padding: 92px 0;
  color: var(--color-light-shade);
  background: var(--color-dark-shade);
}

.activity-section__inner {
  width: min(var(--container), calc(100% - 80px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  gap: var(--space-14);
  align-items: start;
}

.activity-section__intro {
  display: grid;
  gap: var(--space-5);
}

.activity-section .section-kicker,
.activity-section .section-kicker span,
.activity-section h2 {
  color: var(--color-light-shade);
}

.activity-section h2 {
  font-size: 46px;
  line-height: 1.26;
}

.activity-section p {
  color: rgba(250, 250, 249, 0.72);
}

.about-section {
  width: min(var(--container), calc(100% - 80px));
  margin: 0 auto;
  padding: 40px 0 122px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 520px;
  gap: 82px;
  align-items: center;
}

.about-section__content {
  display: grid;
  gap: var(--space-5);
}

.about-section h2,
.services-section h2,
.skills-section h2 {
  font-size: 46px;
  line-height: 1.3;
}

.about-section h3,
.services-section h3 {
  max-width: 610px;
  font-size: 22px;
  line-height: 1.55;
}

.about-section__content > p {
  max-width: 650px;
  font-size: 17px;
}

.it-path-section {
  padding: 94px 0 104px;
  background: var(--color-light-accent);
}

.it-path-section__inner {
  width: min(var(--container), calc(100% - 80px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: var(--space-14);
  align-items: start;
}

.it-path-section__intro {
  display: grid;
  gap: var(--space-5);
}

.it-path-section h2 {
  font-size: 46px;
  line-height: 1.3;
}

.it-path-section__intro p:not(.section-kicker) {
  max-width: 560px;
  font-size: 18px;
  line-height: 1.72;
}

.services-section {
  background: var(--color-light-accent);
  padding: 114px max(40px, calc((100% - var(--container)) / 2));
  display: grid;
  grid-template-columns: 340px minmax(0, 1fr);
  gap: var(--space-12);
}

.services-section__intro {
  display: grid;
  align-content: start;
  gap: var(--space-5);
}

.services-section__intro p:not(.section-kicker) {
  font-size: 17px;
}

.services-section__intro .button-link {
  width: max-content;
  margin-top: var(--space-3);
}

.skills-section {
  width: min(var(--container), calc(100% - 80px));
  margin: 0 auto;
  padding: 114px 0 118px;
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  gap: 92px;
}

.skills-section__intro {
  display: grid;
  align-content: start;
  gap: var(--space-5);
}

.skills-section__intro .button-link {
  width: max-content;
  margin-top: var(--space-3);
}

.resume-section {
  background: var(--color-light-accent);
  padding: 112px 0;
}

.resume-columns {
  width: min(var(--container), calc(100% - 80px));
  margin: var(--space-14) auto 0;
  display: grid;
  grid-template-columns: 420px minmax(0, 1fr);
  gap: var(--space-10);
  align-items: start;
}

.cta-section {
  padding: 94px 0 102px;
  display: grid;
  justify-items: center;
  gap: var(--space-6);
  text-align: center;
  background: var(--color-brand);
}

.cta-section h2 {
  max-width: 870px;
  color: var(--color-dark-shade);
  font-size: 54px;
  line-height: 1.24;
}

.work-showcase {
  padding: 112px 0;
  background: var(--color-light-shade);
}

.work-showcase__inner {
  min-height: 0;
}

.work-showcase .section-heading {
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.work-showcase .section-heading h2 {
  font-size: 42px;
  line-height: 1.18;
}

.stack-section {
  width: min(var(--container), calc(100% - 80px));
  margin: 0 auto;
  padding: 112px 0;
}

.stack-section .section-heading {
  width: 100%;
  margin-bottom: var(--space-12);
}

.contact-section {
  padding: 110px 0 104px;
  color: var(--color-light-shade);
  background: var(--color-dark-shade);
}

.contact-section__inner {
  width: min(var(--container), calc(100% - 80px));
  margin: 0 auto;
  display: grid;
  gap: var(--space-5);
}

.contact-section .section-kicker,
.contact-section .section-kicker span,
.contact-section h2 {
  color: var(--color-light-shade);
}

.contact-section h2 {
  max-width: 1100px;
  font-size: 54px;
  line-height: 1.24;
}

.contact-section p:not(.section-kicker) {
  max-width: 690px;
  color: rgba(250, 250, 249, 0.72);
  font-size: 18px;
}

@media (max-width: 1180px) {
  .site-header {
    min-width: 400px;
    height: auto;
    min-height: 96px;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "brand contact"
      "nav nav";
    gap: 14px var(--space-8);
    padding: 18px clamp(32px, 4vw, 48px);
  }

  .brand {
    grid-area: brand;
    font-size: 24px;
  }

  .site-nav {
    grid-area: nav;
    justify-self: start;
  }

  .site-nav__panel {
    flex-wrap: wrap;
    gap: 12px 22px;
  }

  .header-contact {
    grid-area: contact;
  }

  .about-section,
  .hero__inner,
  .it-path-section__inner,
  .activity-section__inner,
  .skills-section,
  .resume-columns,
  .stack-section,
  .contact-section__inner {
    width: min(var(--container), calc(100% - 64px));
  }

  .about-section {
    padding: 64px 0 92px;
    grid-template-columns: minmax(0, 1fr) 420px;
    gap: var(--space-12);
  }

  .hero__summary {
    width: 100%;
    max-width: 760px;
  }

  .about-section h2,
  .it-path-section h2,
  .services-section h2,
  .skills-section h2 {
    font-size: 42px;
  }

  .activity-section__inner,
  .skills-section {
    grid-template-columns: 300px minmax(0, 1fr);
    gap: var(--space-10);
  }

  .services-section {
    padding: 92px 32px;
    grid-template-columns: 280px minmax(0, 1fr);
    gap: var(--space-8);
  }

  .resume-columns {
    grid-template-columns: 340px minmax(0, 1fr);
  }

  .cta-section h2,
  .contact-section h2 {
    width: calc(100% - 64px);
    font-size: 46px;
  }
}

@media (max-width: 980px) {
  .about-section,
  .hero__inner,
  .it-path-section__inner,
  .activity-section__inner,
  .services-section,
  .skills-section,
  .resume-columns {
    grid-template-columns: 1fr;
  }

  .about-section {
    gap: var(--space-12);
  }

  .about-portrait {
    order: -1;
    justify-self: center;
  }

  .services-section {
    padding: 88px 32px;
  }

  .services-section__intro,
  .it-path-section__intro,
  .skills-section__intro {
    max-width: 680px;
  }

  .hero__summary {
    grid-template-columns: 180px minmax(0, 1fr);
  }
}

@media (max-width: 720px) {
  .site-header {
    grid-template-columns: minmax(0, 1fr) 52px;
    grid-template-areas:
      "brand toggle"
      "contact contact"
      "nav nav";
    gap: var(--space-3);
    padding: 16px 20px;
  }

  .brand {
    font-size: 22px;
  }

  .site-nav {
    width: 100%;
    align-self: stretch;
    justify-self: stretch;
  }

  .site-nav__panel {
    display: grid;
    max-height: 0;
    overflow: hidden;
    gap: 0;
    border-top: 1px solid transparent;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-6px);
    visibility: hidden;
    transition:
      max-height 240ms ease,
      opacity 180ms ease,
      transform 180ms ease,
      border-color 180ms ease,
      padding 180ms ease,
      visibility 180ms ease;
  }

  .site-header--menu-open .site-nav__panel {
    max-height: 360px;
    padding-top: var(--space-3);
    border-color: var(--color-border-soft);
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
    visibility: visible;
  }

  .site-nav__panel a {
    min-height: 42px;
    padding: 10px 0;
    display: flex;
    align-items: center;
    border-bottom-color: var(--color-border-soft);
    font-size: 14px;
  }

  .menu-toggle {
    grid-area: toggle;
    justify-self: end;
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    border: 1px solid var(--color-dark-shade);
    border-radius: 50%;
    background: transparent;
    cursor: pointer;
  }

  .menu-toggle span {
    grid-area: 1 / 1;
    width: 18px;
    height: 2px;
    background: currentColor;
    transition:
      transform 180ms ease,
      opacity 180ms ease;
  }

  .menu-toggle span:nth-child(1) {
    transform: translateY(-6px);
  }

  .menu-toggle span:nth-child(3) {
    transform: translateY(6px);
  }

  .site-header--menu-open .menu-toggle span:nth-child(1) {
    transform: rotate(45deg);
  }

  .site-header--menu-open .menu-toggle span:nth-child(2) {
    opacity: 0;
  }

  .site-header--menu-open .menu-toggle span:nth-child(3) {
    transform: rotate(-45deg);
  }

  .header-contact {
    justify-self: start;
    text-align: left;
  }

  .about-section,
  .hero__inner,
  .it-path-section__inner,
  .activity-section__inner,
  .skills-section,
  .resume-columns,
  .stack-section,
  .contact-section__inner {
    width: calc(100% - 40px);
  }

  .about-section {
    padding: 42px 0 76px;
  }

  .hero {
    padding: 64px 0 76px;
  }

  .hero h1 {
    font-size: 38px;
    line-height: 1.22;
  }

  .hero__summary {
    margin-top: var(--space-8);
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }

  .hero__metric {
    padding-right: 0;
    padding-bottom: var(--space-5);
    border-right: 0;
    border-bottom: 1px solid var(--color-border);
  }

  .hero__footer {
    margin-top: var(--space-8);
    align-items: flex-start;
    flex-direction: column;
    gap: var(--space-5);
  }

  .about-section h2,
  .it-path-section h2,
  .services-section h2,
  .skills-section h2 {
    font-size: 34px;
    line-height: 1.25;
  }

  .about-section h3,
  .services-section h3 {
    font-size: 19px;
    line-height: 1.5;
  }

  .activity-section,
  .it-path-section,
  .resume-section,
  .work-showcase,
  .stack-section,
  .contact-section {
    padding-top: 76px;
    padding-bottom: 76px;
  }

  .services-section {
    padding: 76px 20px;
  }

  .skills-section {
    padding: 76px 0;
  }

  .resume-columns {
    margin-top: var(--space-10);
  }

  .cta-section {
    padding: 72px 20px;
  }

  .cta-section h2,
  .contact-section h2 {
    width: 100%;
    font-size: 36px;
    line-height: 1.22;
  }

  .contact-section p:not(.section-kicker) {
    font-size: 16px;
  }
}

@media (max-width: 520px) {
  .site-nav {
    width: 100%;
  }

  .site-nav__panel a {
    min-width: 0;
    text-align: left;
  }

  .about-section h2,
  .it-path-section h2,
  .services-section h2,
  .skills-section h2 {
    font-size: 30px;
  }

  .cta-section h2,
  .contact-section h2 {
    font-size: 32px;
  }
}