/* ── LOCAL FONTS ── */
@font-face {
  font-display: swap;
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 500;
  src: url("../assets/fonts/space-grotesk-v22-latin-500.woff2") format("woff2");
}
@font-face {
  font-display: swap;
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 700;
  src: url("../assets/fonts/space-grotesk-v22-latin-700.woff2") format("woff2");
}

/* ── DESIGN TOKENS ── */
:root {
  --bg-body: hsl(0, 0%, 8%);
  --bg-body2: hsl(0, 0%, 14%);
  --accent: hsl(210, 100%, 60%);
  --accent-dark: hsl(210, 90%, 45%);
  --accent-glow: hsla(210, 100%, 60%, 0.18);
  --card-bg: hsl(0, 0%, 13%);
  --card-border: hsl(0, 0%, 22%);
  --text1: hsl(0, 0%, 100%);
  --text2: hsl(0, 0%, 85%);
  --invalid: hsl(7, 100%, 68%);
  --container: 69.375rem;
  --transition: 250ms ease-in-out;
  --radius-card: 1.25rem;
  --radius-pill: 1.5rem;
  --fs-20: 1.25rem;
  --fs-24: 1.5rem;
  --fs-36: 2.25rem;
}

/* ── RESET / BASE ── */
html,
body {
  overflow-x: hidden;
}

html {
  box-sizing: border-box;
  font-size: 100%;
}

*,
*::before,
*::after {
  box-sizing: inherit;
}

body,
input,
textarea,
button {
  font-family: "Space Grotesk", sans-serif;
}

body {
  margin: 0;
  background-color: var(--bg-body);
  color: var(--text1);
  font-size: 1.125rem;
  line-height: 1.56;
}

.bg-less-dark {
  background-color: var(--bg-body2);
}

h1,
h2,
h3,
p {
  margin-block-start: 0;
}
h1,
h2,
h3 {
  line-height: 1;
}

.header-xl {
  font-size: clamp(2.5rem, 0.7rem + 7.68vw, 5.5rem);
  letter-spacing: -0.028em;
  line-height: 1.1;
}

p {
  font-size: clamp(1rem, 0.79rem + 0.89vw, 1.125rem);
  line-height: 1.5;
  color: var(--text2);
}

a {
  transition: color var(--transition);
}

a:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px dashed var(--accent);
  outline-offset: 2px;
}

img,
svg {
  display: block;
}

.visually-hidden {
  position: absolute;
  left: -10000px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.wrapper {
  width: calc(100% - 2rem);
  max-width: var(--container);
  margin-inline: auto;
}

@media (min-width: 37.5em) {
  .wrapper {
    width: calc(100% - 3.75rem);
  }
}

/* ── UTILITY ── */
.bottom-border {
  border-bottom: 1px solid var(--text2);
}

/* ── PILL BUTTON ── */
.btn-pill {
  display: inline-block;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-pill);
  border: 2px solid var(--accent);
  background-color: transparent;
  color: var(--text1);
  font-family: "Space Grotesk", sans-serif;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition:
    background-color var(--transition),
    color var(--transition),
    box-shadow var(--transition),
    border-color var(--transition);
  user-select: none;
}

.btn-pill:hover {
  background-color: var(--accent);
  color: hsl(0, 0%, 8%);
  box-shadow: 0 0 18px 4px var(--accent-glow);
}

.btn-pill:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn-pill--submit {
  background-color: var(--accent);
  color: hsl(0, 0%, 8%);
}

.btn-pill--submit:hover {
  background-color: var(--accent-dark);
  border-color: var(--accent-dark);
  color: var(--text1);
}

@media (min-width: 48em) {
  .btn-pill {
    font-size: 1.125rem;
    padding: 1rem 2rem;
  }
}

/* ── TECH TAGS ── */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3em 0.65em;
  border-radius: 0.4rem;
  border: 1px solid var(--card-border);
  background-color: hsla(0, 0%, 100%, 0.06);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.4;
}

.skill-card--featured .tag {
  background-color: hsla(0, 0%, 0%, 0.12);
  border-color: hsla(0, 0%, 0%, 0.2);
}

/* ── LOGO IMG ── */
.logo-wrap {
  position: relative;
  display: inline-flex;
  width: 36px;
  height: 28px;
  flex-shrink: 0;
}

.logo-svg {
  display: block;
}

.logo-svg--main,
.logo-svg--accent {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transition: opacity var(--transition);
}

.logo-svg--accent {
  opacity: 0.3;
}

.logo-wrap--footer {
  width: 44px;
  height: 34px;
}

/* ── HEADER ── */
.header {
  position: relative;
  z-index: 1;
  margin-block-start: 20px;
}

.header__nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  text-align: center;
  gap: 20px 25px;
}

.header__home {
  display: inline-flex;
  align-items: center;
  /* gap: 0.1rem; */
  font-size: clamp(1.5rem, 1.02rem + 2.04vw, 2rem);
  line-height: 1;
  color: var(--text1);
  text-decoration: none;
  flex: 1 0 100%;
}

.header__home:hover {
  color: var(--accent);
}
.header__home:hover .logo-svg--main,
.header__home:focus-visible .logo-svg--main,
.footer__brand-link:hover .logo-svg--main,
.footer__brand-link:focus-visible .logo-svg--main {
  opacity: 0;
}

.header__home:hover .logo-svg--accent,
.header__home:focus-visible .logo-svg--accent,
.footer__brand-link:hover .logo-svg--accent,
.footer__brand-link:focus-visible .logo-svg--accent {
  opacity: 1;
}

.header__social > svg > path,
.header__social > svg path {
  transition: fill var(--transition);
}

.header__social:hover > svg > path,
.header__social:hover > svg path {
  fill: var(--accent);
}

@media (min-width: 37.5em) {
  .header {
    margin-block-start: 30px;
  }

  .header__nav {
    justify-content: flex-start;
    align-items: center;
    text-align: left;
    gap: 32px;
  }

  .header__home {
    flex: 0 1 auto;
    margin-inline-end: auto;
  }
}

@media (min-width: 62.5em) {
  .header {
    margin-block-start: 40px;
    margin-block-end: 127px;
  }

  .header__nav {
    padding-right: 30px;
  }
}

/* ── HERO ── */
.hero__wrapper {
  padding-bottom: 80px;
}

.hero__image {
  position: absolute;
  top: 0;
  left: 50%;
  translate: -50%;
  width: 174px;
  height: auto;
}

.hero__rings {
  position: absolute;
  right: 50%;
  top: 130px;
  z-index: -1;
  height: auto;
}

.hero__circle {
  position: relative;
  top: 171px;
  margin-bottom: -129px;
  translate: calc(100vw - 64px - 16px);
}

.hero__text {
  position: relative;
  text-align: center;
  margin-block-start: 335px;
}

.hero__headline {
  margin-block-end: 24px;
}
.hero__headline > br {
  display: none;
}

h1 > span {
  background-image: linear-gradient(
    to right,
    var(--accent) 75%,
    var(--accent) 75%
  );
  background-position: 0 1.18em;
  background-repeat: repeat-x;
  background-size: 8px 4px;
}

.hero__description {
  margin-block-end: 32px;
}

@media (min-width: 37.5em) {
  .hero {
    position: relative;
    margin-block-start: -62px;
  }

  .hero__wrapper {
    padding-bottom: 60px;
  }

  .hero__content {
    display: flex;
    align-items: center;
  }

  .hero__content picture {
    order: 2;
  }

  .hero__image {
    position: relative;
    width: 42vw;
    max-width: 445px;
    height: auto;
    left: auto;
    right: 0;
    translate: 0;
  }

  .hero__rings {
    top: 90px;
    right: auto;
    left: 0;
    translate: -50%;
  }

  .hero__circle {
    position: absolute;
    top: auto;
    right: 0;
    bottom: 190px;
    translate: 50%;
    z-index: 1;
  }

  .hero__text {
    margin-block-start: 90px;
    margin-right: -30px;
    flex: 1 0 58vw;
    text-align: left;
    z-index: 1;
  }

  .hero__headline {
    margin-block-end: 60px;
  }
  .hero__headline > br {
    display: inline-block;
  }
  .hero__description {
    margin-block-end: 34px;
  }
}

@media (min-width: 62.5em) {
  .hero {
    margin-block-start: 0;
  }

  .hero__wrapper {
    position: relative;
    padding-bottom: 100px;
  }

  .hero__content {
    align-items: flex-start;
  }
  .hero__content picture {
    margin-left: -80px;
  }
  .hero__image {
    margin-block-start: -199px;
  }
  .hero__rings {
    top: 0;
    translate: -50% -50%;
  }
  .hero__circle {
    top: 322px;
    right: 445px;
  }

  .hero__text {
    margin-block-start: 0;
    margin-right: 0;
    flex: 1;
  }

  .hero__headline {
    margin-block-end: 43px;
  }
  .hero__headline > br {
    display: none;
  }

  .hero__description {
    width: 38ch;
    margin-block-end: 66px;
  }
}

/* ── SKILLS CARD GRID ── */
.skills {
  position: relative;
}

.skills__wrapper {
  display: grid;
  grid-template-columns: 1fr;
  align-items: stretch;
  gap: 1rem;
  padding-block: 72px;
}

.skills__heading {
  grid-column: 1 / -1;
  margin-block-end: 1.5rem;
}

.skill-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-card);
  padding: 2rem 1.75rem;
  text-align: center;
  align-items: center;
  gap: 1.25rem;
  transition:
    border-color var(--transition),
    box-shadow var(--transition),
    transform var(--transition);
}

.skill-card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 24px 0 var(--accent-glow);
  transform: translateY(-4px);
}

.skill-card--featured {
  background-color: var(--accent);
  border-color: var(--accent);
}

.skill-card--featured .skill-card__icon,
.skill-card--featured .skill-card__title {
  color: hsl(0, 0%, 8%);
}

.skill-card--featured .skill-card__desc {
  color: hsl(0, 0%, 12%);
}

.skill-card--featured:hover {
  box-shadow: 0 0 32px 4px var(--accent-glow);
  transform: translateY(-4px);
  border-color: var(--accent-dark);
}

.skill-card__icon {
  color: var(--accent);
  margin-block-end: 1.25rem;
}

.skill-card--featured .skill-card__icon {
  color: hsl(0, 0%, 8%);
}

.skill-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text1);
  margin-block-end: 0.75rem;
  line-height: 1.2;
}

.skill-card__desc {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.4rem;
  color: var(--text2);
  margin-block-end: 0;
}

/* Tech icon <img> tags */
.skill-icon {
  display: block;
  width: 20px;
  height: 20px;
  object-fit: contain;
  flex-shrink: 0;
}

.skills__rings {
  position: absolute;
  bottom: 0;
  left: 50%;
  translate: 0 50%;
}

@media (min-width: 37.5em) {
  .skills__wrapper {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    padding-block: 72px;
  }

  /* .skill-card { */
  /*   text-align: left; */
  /*   align-items: flex-start; */
  /* } */
  .skills__rings {
    translate: 40% 50%;
  }
}

@media (min-width: 62.5em) {
  .skills__wrapper {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    padding-block: 72px;
  }

  .skills__rings {
    translate: -40% 50%;
    left: 100%;
  }
}

/* ── PROJECTS ── */
.projects__wrapper {
  padding-block: 70px 140px;
}

.projects__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  justify-items: center;
  text-align: center;
}

.projects__headline {
  grid-column: 1 / span 2;
  margin-block-end: 0;
}

.projects__contact {
  grid-column: 1 / span 2;
}
.projects__item {
  grid-column: 1 / span 2;
}

.projects__picture {
  display: block;
  aspect-ratio: 343 / 253;
  margin-block-end: 20px;
}

.projects__image {
  width: 100%;
  height: auto;
  border-radius: 0.75rem;
}

.projects__name {
  font-size: 1.5rem;
  line-height: 1.3;
  font-weight: 700;
  text-transform: uppercase;
  margin-block-end: 7px;
}

.projects__tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-block-end: 20px;
  text-transform: uppercase;
  color: var(--text2);
  font-size: 0.875rem;
  letter-spacing: 0.05em;
}

.projects__links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

@media (min-width: 37.5em) {
  .projects__grid {
    gap: 60px 24px;
    justify-items: start;
    text-align: left;
  }

  .projects__headline {
    grid-column: 1 / 2;
  }

  .projects__contact {
    grid-column: 2 / 3;
    justify-self: end;
    align-self: center;
    white-space: nowrap;
  }

  .projects__item {
    grid-column: span 1;
  }
  .projects__tags {
    justify-content: flex-start;
  }

  .projects__links {
    flex-direction: row;
    justify-content: flex-start;
  }
}

@media (min-width: 62.5em) {
  .projects__grid {
    gap: 70px 30px;
  }

  .projects__item {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: repeat(4, auto);
  }

  .projects__picture {
    position: relative;
    grid-column: 1 / 2;
    grid-row: 1 / 2;
    border-radius: 0.75rem;
    overflow: hidden;
  }

  .projects__picture::after {
    content: "";
    position: absolute;
    inset: 0;
    background-color: hsl(0, 0%, 0%);
    opacity: 0;
    transition: opacity 150ms ease-in-out;
    border-radius: 0.75rem;
  }

  .projects__item:hover .projects__picture::after,
  .projects__item:focus-within .projects__picture::after {
    opacity: 0.5;
  }

  .projects__item:hover .projects__links,
  .projects__item:focus-within .projects__links {
    opacity: 1;
  }

  .projects__links {
    grid-column: 1 / 2;
    grid-row: 1 / 2;
    justify-self: center;
    align-self: center;
    z-index: 1;
    opacity: 0;
    transition: opacity 400ms ease-in-out;
    flex-direction: column;
    align-items: center;
    gap: 12px;
  }

  .projects__tags {
    margin-block-end: 0;
  }
}

/* ── CONTACT ── */
.contact {
  position: relative;
}

.contact__wrapper {
  padding-block: 84px;
}

.contact__headline {
  margin-block-end: var(--fs-20);
}

.contact__email-link {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}

.contact__email-link:hover {
  color: var(--accent-dark);
}

.contact__control {
  position: relative;
  margin-block-end: 16px;
}

.contact__control input,
.contact__control textarea {
  width: 100%;
  padding-block: 16px;
  padding-inline: 24px;
  border: none;
  border-bottom: 1px solid var(--text1);
  background: transparent;
  font-size: 1rem;
  line-height: 1.625;
  color: var(--text1);
  transition: border-color var(--transition);
}

.contact__control input:focus,
.contact__control textarea:focus {
  border-bottom-color: var(--accent);
  outline: none;
}

.contact__control > *::placeholder {
  color: var(--text1);
  opacity: 0.5;
  text-transform: uppercase;
}

.contact__control textarea {
  margin-block-end: 32px;
}

.contact__control.align-right {
  display: flex;
  justify-content: flex-end;
}

.contact__invalid-icon {
  display: none;
  width: var(--fs-24);
  height: var(--fs-24);
  position: absolute;
  top: 50%;
  right: 0;
  translate: -50% -50%;
}

input[aria-invalid="true"] ~ .contact__invalid-icon,
textarea[aria-invalid="true"] ~ .contact__invalid-icon {
  display: inline-block;
}

textarea[aria-invalid="true"] ~ .contact__invalid-icon {
  top: 1.2rem;
  right: 1.5rem;
  translate: none;
}

.contact input:focus-visible:invalid ~ .contact__invalid-icon,
.contact textarea:focus-visible:invalid ~ .contact__invalid-icon {
  display: inline-block;
}

.contact textarea:focus-visible:invalid ~ .contact__invalid-icon {
  top: 1.2rem;
  right: 1.5rem;
  translate: none;
}

.form__success {
  margin-block-start: 16px;
  font-size: 0.9rem;
  color: var(--accent);
  text-align: right;
  min-height: 1.5em;
  opacity: 0;
  transition: opacity 400ms ease-in-out;
}

.form__success--visible {
  opacity: 1;
}

.contact__rings {
  position: absolute;
  left: 0;
  bottom: 97px;
  translate: -75%;
}

@media (min-width: 37.5em) {
  .contact__rings {
    bottom: 47px;
    translate: -75%;
  }
}

@media (min-width: 62.5em) {
  .contact__wrapper {
    display: grid;
    grid-template-columns: repeat(2, 27.8rem);
    justify-content: space-between;
  }

  .contact__headline {
    margin-block-end: var(--fs-36);
  }
  .contact__rings {
    translate: -40%;
  }
}

@media (max-width: 62.49875em) {
  .contact__wrapper {
    max-width: 27.8rem;
  }
  .contact__text {
    text-align: center;
  }
}

/* ── FOOTER ── */
footer {
  position: relative;
  overflow: hidden;
  padding-block: 48px 40px;
}

/* Main two-column row: brand left, socials right */
.footer__inner {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding-block-end: 2rem;
}

/* Brand column */
.footer__brand {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer__brand-link {
  display: inline-flex;
  align-items: center;
  /* gap: 0.1rem; */
  font-size: clamp(1.5rem, 1.02rem + 2.04vw, 2rem);
  color: var(--text1);
  text-decoration: none;
  line-height: 1;
  transition: color var(--transition);
}

.footer__brand-link:hover {
  color: var(--accent);
}

.footer__tagline {
  font-size: 0.9rem;
  color: var(--text2);
  margin-block-end: 0;
}

/* "Available for work" badge */
.footer__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3em 0.8em;
  border-radius: var(--radius-pill);
  border: 1px solid var(--accent);
  background-color: var(--accent-glow);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  width: fit-content;
}

.footer__badge::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--accent);
}

/* Social icon links — same hover pattern as .header__social */
.footer__socials {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  align-items: center;
  align-self: flex-end;
}

.footer__social > svg > path,
.footer__social > svg path {
  transition: fill var(--transition);
}

.footer__social:hover > svg > path,
.footer__social:hover > svg path {
  fill: var(--accent);
}

/* Bottom bar: copyright + back-to-top */
.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block-start: 1.5rem;
  border-top: 1px solid var(--card-border);
  flex-wrap: wrap;
}

.footer__copy {
  margin-block-end: 0;
  font-size: 0.85rem;
  color: var(--text2);
}

.footer__back-top {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text2);
  transition: color var(--transition);
}

.footer__back-top:hover {
  color: var(--accent);
}

/* Decorative rings — bottom-right, partially off-screen */
.footer__rings {
  position: absolute;
  bottom: -40px;
  right: 0;
  translate: 40%;
  pointer-events: none;
}

@media (min-width: 37.5em) {
  .footer__inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-end;
  }

  .footer__socials {
    gap: 1.5rem;
    justify-content: flex-end;
  }
}

@media (min-width: 62.5em) {
  footer {
    padding-block: 60px 48px;
  }

  .footer__rings {
    translate: 30%;
    bottom: -20px;
  }
}