/* ================= VARIABLES ================= */
:root {
  --color-primary: hsl(229, 64%, 44%);
  --color-surface: hsl(0, 0%, 100%);
  --color-header-background: hsl(0, 0%, 98%);
  --color-text-muted: hsl(0, 0%, 30%);
  --color-surface-tinted: hsl(208, 100%, 97%);
  --color-border: hsl(0, 0%, 80%);
  --color-text: hsl(0, 0%, 0%);
  --color-button-text: hsl(0, 0%, 100%);
}

/* ================= DARK MODE ================= */
[data-theme="dark"] {
  --color-primary: hsl(229, 72%, 65%);
  --color-surface: hsl(0, 0%, 10%);
  --color-header-background: hsl(0, 0%, 12%);
  --color-text-muted: hsl(0, 0%, 65%);
  --color-surface-tinted: hsl(220, 20%, 16%);
  --color-border: hsl(0, 0%, 25%);
  --color-text: hsl(0, 0%, 90%);
  --color-background: hsl(0, 0%, 0%);
  --color-button-text: hsl(0, 0%, 90%);
}

/* ================= GLOBAL ================= */
body {
  font-family: "Montserrat", sans-serif;
  margin: 0;
  padding: 0;
  color: var(--color-text);
  background-color: var(--color-surface);
}

p,
li,
span,
dt,
dd {
  font-size: 1.125rem;
  line-height: 1.75;
  margin: 0;
}

h3 {
  font-size: 1.25rem;
  margin: 0;
}

a {
  text-decoration: underline dotted;
  color: inherit;
}

a:hover {
  text-decoration: underline;
  color: var(--color-primary);
}

a:focus-visible {
  color: var(--color-primary);
  text-decoration: underline;
}

.container {
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding-left: 0.5rem;
  padding-right: 0.5rem;
}

@media (min-width: 475px) {
  .container {
    max-width: 475px;
  }
}
@media (min-width: 640px) {
  .container {
    max-width: 640px;
  }
}
@media (min-width: 768px) {
  .container {
    max-width: 768px;
  }
}
@media (min-width: 1024px) {
  .container {
    max-width: 1024px;
  }
}
@media (min-width: 1280px) {
  .container {
    max-width: 1280px;
  }
}
@media (min-width: 1536px) {
  .container {
    max-width: 1536px;
  }
}

.section {
  margin-top: 2.5rem;
  padding: 3rem;
  scroll-margin-top: 6rem;
}

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

/* ================= ACCESSIBILITY ================= */

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: var(--color-button-text);
  padding: 0.5rem 1rem;
  border-radius: 0.25rem;
  z-index: 100;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.header__menu-toggle:focus-visible,
.header__theme-toggle:focus-visible,
.form__button:focus-visible,
.hero__cta:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}

/* ================= HEADER ================= */
.header {
  position: sticky;
  top: 0;
  z-index: 10;
  background-color: var(--color-header-background);
}

.header__inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding: 1rem 3rem;
  flex-wrap: wrap;
}

.header__title {
  margin-bottom: 0.335em;
  font-family: "Montserrat", sans-serif;
}

.header__subtitle {
  font-family: "Lora", serif;
  font-style: italic;
}

.header__divider {
  border: none;
  border-top: 2px solid var(--color-primary);
  margin-top: 0.5rem;
}

.header__menu-toggle {
  background: var(--color-primary);
  color: var(--color-surface);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.75rem;
  border-radius: 0.25rem;
  border: none;
  cursor: pointer;
}

@media (min-width: 475px) {
  .header__menu-toggle {
    display: none;
  }
}

.header__nav {
  display: none;
}

@media (min-width: 475px) {
  .header__nav {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
  }
}

@media (min-width: 640px) {
  .header__nav {
    margin-top: 0;
  }
}

.header__mobile-nav {
  display: none;
}

.header__mobile-nav--active {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  width: 100%;
  gap: 0.5rem;
  padding-top: 0.5rem;
}

.header__theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: inherit;
  padding: 0;
}

.header__theme-toggle:hover {
  color: var(--color-primary);
}

/* ================= HERO ================= */
.hero__wrapper {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

@media (min-width: 768px) {
  .hero__wrapper {
    flex-direction: row;
    align-items: center;
    gap: 3rem;
  }
}

.hero__img {
  display: block;
  width: 200px;
  aspect-ratio: 1 / 1;
  border-radius: 1rem;
  flex: 1;
  max-width: 50%;
}

@media (min-width: 768px) {
  .hero__img {
    margin: 0;
    flex-shrink: 0;
  }
}

.hero__content {
  max-width: 65ch;
}

.hero__heading {
  margin-top: 0;
}

.hero__paragraph:not(:nth-of-type(1)) {
  margin-top: 1rem;
}

.hero__cta {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.75rem 1.5rem;
  background-color: var(--color-primary);
  color: var(--color-button-text);
  border-radius: 1rem;
  text-decoration: none;
}

.hero__cta:hover {
  opacity: 0.9;
}

/* ================= skills ================= */
.skills__tech-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 1rem;
  padding: 0;
}

@media (min-width: 1024px) {
  .skills__tech-list {
    grid-template-columns: 1fr 1fr;
  }
}

.skills__tech-group {
  border-left: 0.1875rem solid var(--color-primary);
  padding-left: 1rem;
}

.skills__tech-group dt {
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.skills__tech-group dd {
  margin: 0;
  color: var(--color-text-muted);
}

/* ================= PROJECTS ================= */
.projects__grid {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

@media (min-width: 1024px) {
  .projects__grid {
    grid-template-columns: 1fr 1fr;
  }
}

.project {
  border: 1px solid var(--color-border);
  border-radius: 0.375rem;
  padding: 1.5rem;
}

.project__img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 0.375rem;
}

.project__tagline {
  font-style: italic;
}

.project__title {
  margin-top: 0.5rem;
}

.project__techstack {
  display: flex;
  gap: 0.5rem;
  list-style: none;
  padding-left: 0;
  margin: 0.5rem 0;
}

.project__tech-pill {
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: 0.875rem;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  background-color: transparent;
  font-weight: 600;
}

.project__details {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.project__question:not(:nth-of-type(1)) {
  margin-top: 1rem;
}

.project__question {
  font-weight: bold;
}

/* ================= CONTACT ================= */
.form__wrapper {
  padding: 3rem;
  border-radius: 1.5rem;
  background-color: var(--color-surface-tinted);
}

.form {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

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

.form__group {
  display: grid;
  gap: 0.5rem;
}

.form__group--message {
  grid-column: 1/-1;
}

.form__label {
  text-transform: uppercase;
  font-size: 1rem;
}

.form__input {
  width: 100%;
  border-radius: 1rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  min-height: 44px;
}

.form__input--message {
  min-height: 132px;
}

.form__input:focus {
  border-color: var(--color-primary);
}

:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
}

.form__button {
  justify-self: start;
  cursor: pointer;
  padding: 1rem 1.5rem;
  border: 0;
  border-radius: 1rem;
  background-color: var(--color-primary);
  color: var(--color-button-text);
}

.form__button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ================= FOOTER ================= */
.footer {
  text-align: center;
  padding: 2rem 0;
}

/* ================= THANK YOU ================= */
.thank-you__title {
  text-align: center;
}

.thank-you__copy {
  display: block;
  margin-top: 1rem;
  text-align: center;
  font-size: 1.2rem;
}