:root {
  --font: "DM Sans", system-ui, sans-serif;
  --bg: #f0eee7;
  --text: #3f1919;
  --text-rgb: 63, 25, 25;
  --input-bg: #fff;
  --muted-opacity: 0.85;
  --radius: 0.5rem;
  --contact-gap-top: 200px;
  --contact-gap-bottom: 100px;
}

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

html {
  font-size: 16px;
}

.container {
  max-width: 1100px;
  margin: auto;
  padding: 0 1rem;
}

body {
  font-family: var(--font);
  line-height: 1.5;
  background: var(--bg);
  color: var(--text);
}

header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.hero {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: flex-start;
  padding-top: 0;
  margin-top: -1rem;
}

.hero .container {
  width: 100%;
}

.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-text {
  flex: 1;
  min-width: 280px;
}

.hero-title {
  margin-top: 0;
  margin-bottom: 2.5rem;
}

.hero-name {
  font-family: "Playfair Display", system-ui, serif;
  font-weight: 800;
  letter-spacing: 0.05em;
  font-size: 1.6em;
  margin-left: 0.15em;
}

.hero-highlight {
  display: inline-block;
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1.1;
}

.hero-accent {
  display: inline-block;
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.2;
}

.hero-emphasis {
  font-weight: 700;
  font-size: 1.25em;
}

.hero-buttons {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1.25rem;
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  background: var(--bg);
  border: 2px solid rgba(var(--text-rgb), 0.25);
  border-radius: var(--radius);
  text-decoration: none;
  cursor: pointer;
  transition:
    background 0.2s ease,
    border-color 0.2s ease,
    transform 0.2s ease;
}

.btn--primary {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}

.btn:hover {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
  transform: translateY(-2px);
}

.hero-buttons__btn {
  display: inline-flex;
  align-items: center;
}

.hero-portrait {
  flex-shrink: 0;
  margin-bottom: 3rem;
  margin-top: 0.5rem;
  display: flex;
  justify-content: center;
}

.hero-portrait img {
  width: 180px;
  border-radius: 50%;
}

nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
}

nav a {
  color: inherit;
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 600;
  white-space: nowrap;
  padding: 0.35rem 0.5rem;
  border-radius: 0.35rem;
  transition:
    background-color 0.25s ease,
    color 0.25s ease;
}

nav a:hover {
  background-color: rgba(var(--text-rgb), 0.08);
}

.section {
  min-height: 100vh;
  min-height: 100dvh;

  padding: 3rem 0;
  display: flex;
  align-items: center;
}

.section .container {
  width: 100%;
}

.about.section {
  min-height: auto;
  padding-top: 0;
  align-items: flex-start;
}

.skills-intro {
  margin-top: 0.5rem;
  margin-bottom: 0;
  max-width: 42rem;
  line-height: 1.5;
}

.skills-intro + .skills-intro {
  margin-top: 1rem;
}

.skills-courses {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(var(--text-rgb), 0.25);
}

.skills-courses__title {
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.5rem;
  margin-top: 0;
  opacity: var(--muted-opacity);
}

.skills-courses__block + .skills-courses__block {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(var(--text-rgb), 0.25);
}

.skills-courses__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.35rem;
}

.skills-courses__list li {
  font-size: 0.9rem;
  padding-left: 1rem;
  position: relative;
}

.skills-courses__list li::before {
  content: "·";
  position: absolute;
  left: 0;
  font-weight: 700;
}

.skills-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 1.5rem;
}

.skill-group__logos {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  height: 8rem;
}

.skill-group__logos .skill-group__img {
  flex: 1;
  width: 0;
  min-width: 0;
  height: 100%;
  max-height: 8rem;
  object-fit: contain;
  object-position: center;
  display: block;
}

.skill-group:first-child .skill-group__logos .skill-group__img {
  max-height: 8rem;
}

.skill-group:nth-child(2) .skill-group__logos .skill-group__img:first-child {
  max-height: 6rem;
}

.skill-group:nth-child(2) .skill-group__logos .skill-group__img:nth-child(2) {
  max-height: 7rem;
}

.skill-group:nth-child(2) .skill-group__logos .skill-group__img:nth-child(3) {
  max-height: 5.5rem;
}

.skill-group:nth-child(3) .skill-group__logos .skill-group__img {
  max-height: 5.5rem;
}

.skill-group__img {
  width: 100%;
  height: auto;
  display: block;
}

.skill-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.skill-group__title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.skill-group__link {
  display: inline-block;
  margin-top: 0.75rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: inherit;
  text-decoration: none;
  opacity: var(--muted-opacity);
}

.skill-group__link:hover {
  opacity: 1;
}

.skill-card {
  padding: 1rem;
  background: rgba(var(--text-rgb), 0.06);
  border-radius: var(--radius);
}

.skill-card__name {
  display: block;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.skill-card__desc {
  margin: 0;
  font-size: 0.875rem;
  opacity: var(--muted-opacity);
  line-height: 1.4;
}

.skill-card__context {
  margin: 0.35rem 0 0;
  font-size: 0.75rem;
  opacity: 0.75;
  line-height: 1.35;
}

.portfolio .project {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 6rem;
}

.portfolio .project:first-of-type {
  margin-top: 2.5rem;
}

.project-links {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.project-links__btn {
  font-size: 0.9rem;
  padding: 0.5rem 1rem;
}

.project-links__btn:hover {
  transform: translateY(-1px);
}

.project-links__btn--muted {
  opacity: var(--muted-opacity);
  cursor: default;
}

.project-links__btn--muted:hover {
  transform: none;
  background: var(--bg);
  color: var(--text);
  border-color: rgba(var(--text-rgb), 0.25);
}

.project-links__icon {
  width: 20px;
  height: 20px;
  display: block;
}

.project-image img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius);
}

.testimonials-list {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.testimonial {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1.5rem;
  background: rgba(var(--text-rgb), 0.06);
  border-radius: var(--radius);
}

.testimonial__portrait {
  flex-shrink: 0;
  margin-bottom: 1rem;
}

.testimonial__portrait img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
}

.testimonial__quote {
  margin: 0 0 1rem;
  font-style: italic;
  flex: 1;
}

.testimonial__author {
  font-size: 0.875rem;
  opacity: var(--muted-opacity);
  margin: 0;
}

.testimonials.section {
  min-height: auto;
  padding-bottom: 0;
}

.testimonials.section .container {
  padding-bottom: 0;
  margin-bottom: 0;
}

.contact.section {
  min-height: auto;
  padding-bottom: 0;
  padding-top: var(--contact-gap-top);
}

.contact.section .container {
  padding-top: 0;
  padding-bottom: var(--contact-gap-bottom);
  margin-top: 0;
  margin-bottom: 0;
}

.contact .section-intro {
  margin-top: 0.5rem;
  margin-bottom: 1.5rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 28rem;
  margin-left: auto;
  margin-right: auto;
}

.contact-form label {
  font-weight: 600;
  margin-bottom: -0.25rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: inherit;
  font-size: 1rem;
  color: var(--text);
  background: var(--input-bg);
  border: 1px solid rgba(var(--text-rgb), 0.25);
  border-radius: var(--radius);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid rgba(var(--text-rgb), 0.5);
  outline-offset: 2px;
}

.contact-form textarea {
  resize: vertical;
  min-height: 6rem;
}

.btn-submit {
  align-self: flex-start;
  padding: 0.75rem 1.5rem;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  color: var(--bg);
  background: var(--text);
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
}

.btn-submit:hover {
  opacity: 0.9;
}

footer .container {
  padding-top: 0;
  padding-bottom: 1rem;
}

.footer-inner {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.25rem;
}

.footer-copyright {
  margin: 0;
  font-size: 0.75rem;
  white-space: nowrap;
}

.footer-social__link {
  display: block;
  color: inherit;
  text-decoration: none;
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}

.footer-social__link:hover {
  opacity: 0.8;
  transform: scale(1.05);
}

.footer-social__link img {
  display: block;
  width: 24px;
  height: 24px;
  object-fit: contain;
}

.weather-widget {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.2rem 0.5rem;
  border-radius: 1.25rem;
  background: rgba(var(--text-rgb), 0.06);
  font-size: 0.8rem;
  font-weight: 600;
}

.weather-widget--active {
  background: rgba(var(--text-rgb), 0.1);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

.weather-widget__icon {
  width: 22px;
  height: 22px;
  object-fit: contain;
  display: block;
}

.weather-widget__temp {
  white-space: nowrap;
}

.weather-widget__city {
  font-size: 0.8em;
  opacity: var(--muted-opacity);
}

@media (min-width: 768px) {
  .section {
    padding: 4rem 0;
  }

  .about.section {
    min-height: auto;
    padding-top: 0;
    align-items: flex-start;
  }

  .testimonials.section {
    min-height: auto;
    padding-bottom: 0;
  }

  .testimonials.section .container {
    padding-bottom: 0;
    margin-bottom: 0;
  }

  .contact.section {
    min-height: auto;
    padding-bottom: 0;
    padding-top: var(--contact-gap-top);
  }

  .contact.section .container {
    padding-top: 0;
    padding-bottom: var(--contact-gap-bottom);
    margin-top: 0;
    margin-bottom: 0;
  }

  header {
    padding: 1.5rem 0;
  }

  nav ul {
    gap: 2rem;
  }

  nav a {
    font-size: 1rem;
  }

  .hero {
    align-items: center;
    padding-top: 0;
    margin-top: 0;
  }

  .hero-inner {
    flex-direction: row;
    gap: 2rem;
    flex-wrap: nowrap;
  }

  .hero-portrait {
    margin-top: 0;
  }

  .hero-text {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 2rem;
    align-items: center;
  }

  .hero-title,
  .hero-text p,
  .hero-buttons {
    grid-column: 1;
  }

  .hero-portrait {
    grid-column: 2;
    grid-row: 1 / -1;
    align-self: center;
    margin-bottom: 0;
  }

  .hero-portrait img {
    width: 220px;
  }

  .hero-title {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 6rem;
  }

  .hero-highlight {
    font-size: 3.5rem;
  }

  .hero-accent {
    font-size: 2.25rem;
  }

  .hero-emphasis {
    font-size: 1.3em;
  }

  .hero-buttons {
    margin-top: 3rem;
  }

  .skills .container > h2 {
    margin-bottom: 0.25rem;
  }

  .skills-intro {
    max-width: none;
  }

  .skills-courses {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .skills-courses__block + .skills-courses__block {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
  }

  .skills-courses__list {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.25rem 1rem;
  }

  .skills-content {
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: 8rem auto 1fr 1fr 1fr auto;
    gap: 2rem;
    margin-top: 2rem;
  }

  .skill-group {
    display: grid;
    grid-template-rows: subgrid;
    grid-row: span 6;
    grid-template-columns: 1fr;
    row-gap: 0.75rem;
    column-gap: 0;
  }

  .skill-card {
    padding: 1.25rem;
    min-height: 0;
  }

  .portfolio .project {
    flex-direction: row;
    align-items: center;
    gap: 2rem;
    margin-top: 6.5rem;
  }

  .portfolio .project:first-of-type {
    margin-top: 3rem;
  }

  .portfolio .project--reversed {
    flex-direction: row-reverse;
  }

  .project-text {
    flex: 1;
  }

  .project-image {
    flex-shrink: 0;
    width: 40%;
    max-width: 400px;
  }

  .project-image img {
    width: 100%;
  }

  .testimonials-list {
    margin-top: 2rem;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    align-items: stretch;
  }

  .testimonial {
    padding: 1.5rem;
    min-height: 100%;
  }

  .contact h2,
  .contact .section-intro {
    text-align: center;
  }

  .contact-form {
    max-width: 36rem;
  }

  footer .container {
    padding-bottom: 1.5rem;
  }

  .footer-inner {
    flex-wrap: nowrap;
    justify-content: space-evenly;
    gap: 2rem;
  }

  .footer-copyright {
    font-size: 1rem;
  }

  .footer-social__link img {
    width: 40px;
    height: 40px;
  }

  .weather-widget {
    gap: 0.375rem;
    padding: 0.25rem 0.625rem;
    font-size: 0.9rem;
  }

  .weather-widget__icon {
    width: 28px;
    height: 28px;
  }
}

@media (min-width: 1024px) {
  .section {
    padding: 5rem 0;
  }

  .about.section {
    min-height: auto;
    padding-top: 0;
    align-items: flex-start;
  }

  .testimonials.section {
    min-height: auto;
    padding-bottom: 0;
  }

  .testimonials.section .container {
    padding-bottom: 0;
    margin-bottom: 0;
  }

  .contact.section {
    min-height: auto;
    padding-bottom: 0;
    padding-top: var(--contact-gap-top);
  }

  .contact.section .container {
    padding-top: 0;
    padding-bottom: var(--contact-gap-bottom);
    margin-top: 0;
    margin-bottom: 0;
  }

  header {
    padding: 2rem 0;
  }

  nav ul {
    gap: 2.5rem;
  }

  .hero-inner {
    gap: 4rem;
  }

  .hero-text {
    gap: 2.5rem;
  }

  .hero-portrait img {
    width: 240px;
  }

  .hero-title {
    font-size: 4.5rem;
    margin-bottom: 8rem;
  }

  .hero-highlight {
    font-size: 4.5rem;
  }

  .hero-accent {
    font-size: 2.75rem;
  }

  .hero-emphasis {
    font-size: 1.35em;
  }

  .hero-buttons {
    margin-top: 4rem;
  }

  .skills-content {
    gap: 2.5rem;
    margin-top: 2rem;
  }

  .skill-group__title {
    font-size: 1.05rem;
    margin-bottom: 1rem;
  }

  .skill-card {
    padding: 1.5rem;
  }

  .portfolio .project {
    gap: 3rem;
    margin-top: 8rem;
  }

  .portfolio .project:first-of-type {
    margin-top: 3.5rem;
  }

  .contact-form {
    max-width: 42rem;
  }

  .footer-social__link img {
    width: 54px;
    height: 54px;
  }

  .footer-social__link--linkedin img {
    height: 50px;
    width: auto;
  }
}

@media (max-width: 430px) {
  nav ul {
    flex-wrap: nowrap;
    gap: 0.2rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 0.15rem;
  }

  nav a {
    font-size: 0.7rem;
    padding: 0.2rem 0.28rem;
    flex-shrink: 0;
  }
}