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

/* Force the [hidden] attribute to win over any explicit display rule. */
[hidden] { display: none !important; }

:root {
  --primary-color: #09090b;
  --primary-subtle-accent: #18181b;
  --primary-accent: #3f3f46;
  --secondary-color: #71717a;
  --subtle: #a1a1aa;
  --background-color: #f4f4f5;
}

@media (prefers-color-scheme: dark) {
  :root {
    --primary-color: #f4f4f5;
    --primary-subtle-accent: #fff;
    --primary-accent: #d4d4d8;
    --secondary-color: #a1a1aa;
    --subtle: #71717a;
    --background-color: #000;
  }
}

html {
  font-size: 62.5%;
}

body {
  font-family: Inter, sans-serif;
  font-feature-settings: 'liga' 1, 'calt' 1; /* fix for Chrome */
  color: var(--primary-color);
  background-color: var(--background-color);
}

@supports (font-variation-settings: normal) {
  body { font-family: InterVariable, sans-serif; }
}


/* HOVER EFFECT FOR HEADINGS */

@media (hover: hover) {
  /* Add hover effects for individual letters.
     Scoped to leaf [aria-hidden] spans so wrapper elements like .hero-line are not also skewed. */
  .text-italic-hover-effect [aria-hidden="true"] {
    display: inline-block;
    transition: transform 0.25s ease;
  }

  .text-italic-hover-effect [aria-hidden="true"]:nth-child(odd):hover {
    transform: skewX(-15deg);
  }

  .text-italic-hover-effect [aria-hidden="true"]:nth-child(even):hover {
    transform: skewX(15deg);
  }
}


/* HERO SECTION */


.hero {
  height: 100vh;
  display: flex;
  justify-content: space-between;
}

.hero-title {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 0 1vw 1vw 1vw;
}

.hero h1 {
  font-size: calc(100vw / 9.5);
  font-weight: 500;
  margin: 0;
  line-height: 0.85;
  letter-spacing: -0.04em;
}

.hero h1 .hero-line {
  display: block;
}

.hero-tagline {
  font-size: clamp(1.4rem, 1.4vw, 2rem);
  font-weight: 300;
  color: var(--secondary-color);
  letter-spacing: -0.01em;
  margin-top: 1.5vw;
  max-width: 60ch;
}

.hero-tagline-lead,
.hero-tagline-sub {
  display: block;
}

.hero-tagline-lead {
  color: var(--primary-color);
  font-weight: 400;
}

.hero-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 1rem;
  margin: 0.5vw 0.5vw 0 0;
}

.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--subtle);
  letter-spacing: 0.04em;
}

.lang-toggle button {
  background: none;
  border: none;
  padding: 0.2rem 0.4rem;
  font: inherit;
  color: inherit;
  cursor: pointer;
  letter-spacing: inherit;
  transition: color 0.25s ease;
}

.lang-toggle button.lang-active {
  color: var(--primary-color);
}

@media (hover: hover) {
  .lang-toggle button:hover {
    color: var(--primary-color);
  }
}

.social-icons {
  margin: 0;
}

.social-icons li {
  list-style: none;
  display: inline-block;
}

.social-icons li:not(:last-child) {
  margin-right: 0.4rem;
}

.social-icons svg {
  height: 2.8rem;
  fill: var(--secondary-color);
  transition: fill 0.25s ease;
}

@media (hover: hover) {
  .social-icons svg:hover {
    fill: var(--primary-color);
  }
}

@media (max-width: 768px) {
  .hero {
    height: 100svh;
    position: relative;
  }

  .hero-title {
    padding: 0 4vw 4vw 4vw;
  }

  .hero h1 {
    font-size: calc(100vw / 5);
    line-height: 0.9;
    letter-spacing: -0.04em;
  }

  .hero-tagline {
    font-size: 1.4rem;
    margin-top: 3vw;
  }

  .hero-meta {
    position: absolute;
    top: 0;
    right: 0;
    margin: 4vw 4vw 0 0;
    align-items: flex-end;
    gap: 1.5rem;
  }

  .social-icons li {
    display: block;
  }

  .social-icons li:not(:last-child) {
    margin: 0 0 0.4rem 0;
  }
}


/* ABOUT SECTION */


.about-section {
  width: 95%;
  margin: 10vh auto 0 auto;
}

.about {
  display: grid;
  grid-template-columns: 1fr 3fr;
}

.about h2 {
  font-size: 4rem;
  font-weight: 400;
  color: var(--primary-accent);
}

.about-list:not(:last-child) {
  margin-bottom: 10rem;
}

.about-item:not(:last-child) {
  margin-bottom: 3rem;
}

.about-item h3 {
  font-size: 3rem;
  font-weight: 300;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.about-projects h3 {
  margin-bottom: 0;
}

.about-item-note {
  font-size: 2.5rem;
  font-weight: 200;
  color: var(--subtle);
}

.about-item p {
  font-size: 2.5rem;
  font-weight: 200;
}

.languages-tag {
  color: var(--secondary-color);
  padding: 0.5rem 0;
}

.about-link, .about-link-big {
  display: inline-block;
  text-decoration: none;
  color: inherit;
}

.about-link, .about-link-big h3, .about-link-big p {
  transition: transform 0.25s ease;
}

@media (hover: hover) {
  .about-link-big:hover h3, .about-link-big:hover p {
    transform: skew(-12deg);
  }

  .about-link:hover {
    transform: skew(-12deg);
  }
}

@media (max-width: 768px) {
  .about {
    grid-template-columns: 1fr;
  }

  .about h2:not(:last-child) {
    margin-bottom: 2rem;
  }

  .about-list:not(:last-child) {
    margin-bottom: 5rem;
  }
}


.metrics-tag {
  color: var(--secondary-color);
  padding-top: 0.5rem;
  font-size: 2rem;
}


/* CAREER STRIPE */


.career-stripe {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--primary-accent);
  margin-bottom: 10rem;
}

.career-row {
  display: grid;
  grid-template-columns: 5fr 3fr 3fr;
  gap: 2rem;
  align-items: baseline;
  padding: 1.8rem 0;
  border-bottom: 1px solid var(--primary-accent);
  font-size: 2rem;
  font-weight: 300;
  transition: transform 0.25s ease;
}

.career-role {
  color: var(--primary-color);
  font-weight: 400;
}

.career-company {
  color: var(--primary-accent);
}

.career-meta {
  color: var(--secondary-color);
  text-align: right;
  font-feature-settings: 'tnum' 1;
}

@media (hover: hover) {
  .career-row:hover {
    transform: translateX(1rem);
  }
}

@media (max-width: 768px) {
  .career-row {
    grid-template-columns: 1fr;
    gap: 0.4rem;
    padding: 1.5rem 0;
  }

  .career-meta {
    text-align: left;
  }
}


/* CONTACT SECTION */


.contact-section {
  margin-top: 5vh;
  padding: 3vh 0 5vh 0;
  background-color: var(--primary-color);
  color: var(--background-color);
}

.contact-container {
  width: 95%;
  margin: 0 auto;
}

.contact-heading {
  font-size: clamp(6rem, 10vw, 12.5rem);
  font-weight: 500;
  margin-bottom: 5vh;
}

.contact-form {
  display: grid;
  grid-template-columns: 2fr 4fr;
  gap: 2rem 5rem;
  align-items: start;
  font-size: 2.5rem;
  transition: max-height 0.4s ease;
}

.contact-form :where(input, textarea, button) {
  padding: 1rem;
  border: none;
  border-radius: 2px;
  outline: none;
  font-family: inherit;
  font-size: 1.35rem;
  color: var(--background-color);
  background-color: var(--primary-subtle-accent);
}

.form-input label, .form-text-area label {
  transition: transform 0.25s ease;
}

.form-input:has(input:focus) label, .form-text-area:has(textarea:focus) label {
  transform: skew(-12deg);
}

.form-input {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-input:not(:last-child) {
  padding-bottom: 1rem;
}

.form-text-area {
  grid-column: 2;
  grid-row: 1 / -3;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.contact-form textarea {
  width: 100%;
  height: 100%;
  resize: none;
}

.contact-form button {
  grid-column: 1;
  height: 5rem;
  font-size: 2rem;
  color: var(--primary-color);
  background-color: var(--background-color);
  transition: color, background-color 0.25s ease;
}

.contact-button-text {
  display: inline-block;
  transition: transform 0.25s ease;
}

.contact-form button {
  position: relative;
}

.contact-button-icon {
  position: absolute;
  right: 1.5rem;
}

.contact-success button {
  color: var(--background-color);
  background-color: var(--primary-subtle-accent);
}

.contact-keep-italics {
  transform: skew(-12deg);
}

@media (hover: hover) {
  .contact-link:hover .contact-link-container p {
    transform: translateX(1rem);
    transform: skew(-12deg);
  }

  .contact-form button:hover {
    cursor: pointer;
    color: var(--background-color);
    background-color: var(--primary-color);
    background-color: var(--primary-subtle-accent);
  }

  .contact-form button:hover .contact-button-text {
    transform: skew(-12deg);
  }
}

@media (max-width: 768px) {
  .contact-container {
    width: 90%;
  }

  .contact-arrow {
    height: 3rem;
  }

  .contact-form {
    grid-template-columns: 1fr;
  }

  .form-text-area {
    grid-row: auto;
    grid-column: auto;
    height: 15rem;
  }
}


/* FOOTER */


.footer {
  width: 95%;
  margin: 5vh auto;
}

.footer h2 {
  font-size: clamp(4rem, 2vw, 2vw);
  font-weight: 500;
}

.footer li {
  list-style: none;
}

.footer a {
  font-size: clamp(2rem, 1vw, 1vw);
  display: inline-block;
  text-decoration: none;
  color: inherit;
  transition: transform 0.25s ease;
}

@media (hover: hover) {
  .footer a:hover {
    transform: skew(-12deg);
  }
}

@media (max-width: 768px) {
  .footer {
    text-align: center;
  }

  .footer h2 {
    font-size: 4rem;
  }

  .footer a {
    font-size: 2rem;
  }
}