/* ==========================================================================
   Allison Kirby — shared stylesheet
   Colors and fonts live here. Change them once and every page updates.
   ========================================================================== */

:root {
  /* Colors (taken from the original Wix theme) */
  --color-white: #ffffff;
  --color-black: #000000;
  --color-text: #1a1a1a;
  --color-muted: #605e5e;
  --color-teal: #57bbbf;          /* footer / contact band */
  --color-teal-dark: #317f81;     /* active menu link, accents */
  --color-teal-deep: #296569;
  --color-aqua-pale: #bafcff;     /* tint over the mountain background */
  --color-rule: #8fb8b9;          /* thin divider lines */

  /* Fonts (free look-alikes for Wix's Lulo Clean and Avenir Light) */
  --font-heading: "Montserrat", "Helvetica Neue", Arial, sans-serif;  /* wide, bold, all caps */
  --font-body: "Nunito Sans", "Avenir Next", Avenir, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Aboreto", Georgia, serif;                          /* big name on Home */

  /* Layout */
  --header-height: 72px;
  --content-width: 1180px;
  --gutter: 20px;
}

@media (min-width: 900px) {
  :root {
    --header-height: 93px;
    --gutter: 48px;
  }
}

/* ---------- Base ---------- */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-text);
  background-color: #cdeff0;
}

/* Misty mountains fixed behind every page, tinted aqua like the original.
   A fixed layer (rather than background-attachment: fixed) also works on iPhones. */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(186, 252, 255, 0.55), rgba(186, 252, 255, 0.55)),
    url("../images/background-misty-mountains.jpg");
  background-size: cover;
  background-position: center;
}

img,
video {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
}

p {
  margin: 0 0 1.2em;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  line-height: 1.2;
  margin: 0 0 0.6em;
  color: var(--color-black);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 100;
  padding: 8px 16px;
  background: var(--color-black);
  color: var(--color-white);
}

.skip-link:focus {
  left: 8px;
}

/* ---------- Header and navigation ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-white);
  height: var(--header-height);
}

.site-header__inner {
  max-width: var(--content-width);
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  text-decoration: none;
  color: var(--color-black);
  line-height: 1.3;
}

.brand__name {
  display: block;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.brand__school {
  display: block;
  font-size: 13px;
  letter-spacing: 0.12em;
}

/* Mobile menu: a checkbox toggles the list open, so no JavaScript is needed */
.nav-toggle {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.nav-toggle-label {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  padding: 10px;
  cursor: pointer;
}

.nav-toggle-label span {
  display: block;
  height: 2px;
  background: var(--color-black);
}

.nav-toggle:focus-visible + .nav-toggle-label {
  outline: 2px solid var(--color-teal-dark);
}

.site-nav {
  display: none;
  position: absolute;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: var(--color-white);
  border-top: 1px solid #eee;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.08);
}

.nav-toggle:checked ~ .site-nav {
  display: block;
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 8px 0;
}

.site-nav a {
  display: block;
  padding: 10px var(--gutter);
  font-size: 16px;
  text-decoration: none;
  color: var(--color-black);
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--color-teal-dark);
}

.site-nav .submenu a {
  padding-left: calc(var(--gutter) + 20px);
  font-size: 15px;
}

@media (min-width: 900px) {
  .nav-toggle-label {
    display: none;
  }

  .site-nav {
    display: block;
    position: static;
    border: 0;
    box-shadow: none;
    background: none;
  }

  .site-nav > ul {
    display: flex;
    gap: 6px;
    padding: 0;
  }

  .site-nav li {
    position: relative;
  }

  .site-nav a {
    padding: 10px 14px;
    font-size: 15px;
  }

  /* Digital Design drops down under Projects on hover */
  .site-nav .submenu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 170px;
    padding: 6px 0;
    background: var(--color-white);
    box-shadow: 0 6px 14px rgba(0, 0, 0, 0.1);
  }

  .site-nav li:hover > .submenu,
  .site-nav li:focus-within > .submenu {
    display: block;
  }

  .site-nav .submenu a {
    padding: 8px 16px;
  }
}

/* ---------- Shared building blocks ---------- */

.panel {
  background: var(--color-white);
}

.container {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.section-title {
  font-size: clamp(28px, 6vw, 42px);
}

.button {
  display: inline-block;
  padding: 16px 36px;
  background: var(--color-white);
  color: var(--color-black);
  font-size: 16px;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}

.button:hover {
  background: var(--color-teal-dark);
  color: var(--color-white);
}

.button-row {
  text-align: center;
  padding: 48px 0;
}

.banner-image {
  width: 100%;
  object-fit: cover;
}

/* ---------- Home ---------- */

.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px var(--gutter);
  background: url("../images/home-hero-usd-campus.jpg") center / cover no-repeat;
  color: var(--color-white);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.12);
}

.hero > * {
  position: relative;
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(44px, 8.6vw, 110px);
  letter-spacing: 0.02em;
  line-height: 1.05;
  color: var(--color-white);
  margin: 0 0 0.3em;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.25);
}

.hero__tagline {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.8vw, 36px);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0 0 1em;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

@media (min-width: 900px) {
  .hero {
    min-height: calc(100vh - var(--header-height));
  }
}

.about {
  display: grid;
}

.about__text {
  padding: 56px var(--gutter);
}

.about__text .section-title {
  margin-bottom: 1em;
}

.about__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

@media (min-width: 900px) {
  .about {
    grid-template-columns: 1fr 1fr;
    margin-top: 40px; /* lets a strip of the mountains show, like the original */
  }

  .about__text {
    padding: 64px 9% 64px max(var(--gutter), calc((100vw - var(--content-width)) / 2 + var(--gutter)));
  }

  .about__text p {
    max-width: 30em;
  }
}

/* ---------- Education ---------- */

.education {
  max-width: 1230px;
  margin: 0 auto;
  padding: 0 0 0;
}

@media (min-width: 900px) {
  .education {
    padding: 0 24px;
    margin-top: 12px;
  }
}

.education .banner-image {
  height: 180px;
}

@media (min-width: 900px) {
  .education .banner-image {
    height: 225px;
  }
}

.education__body {
  padding: 48px var(--gutter) 24px;
}

@media (min-width: 900px) {
  .education__body {
    padding: 64px 9% 40px;
  }
}

.edu-row {
  display: grid;
  gap: 8px 48px;
  margin-bottom: 40px;
  font-size: 15px;
}

.edu-row__school {
  font-weight: 400;
}

.edu-row__school p {
  margin: 0 0 0.9em;
}

.edu-row ul {
  margin: 0;
  padding-left: 1.2em;
}

.edu-row ul ul {
  list-style: circle;
}

@media (min-width: 700px) {
  .edu-row {
    grid-template-columns: minmax(200px, 1fr) 2.2fr;
  }
}

/* ---------- Experience (timeline) ---------- */

.experience .banner-image {
  height: 160px;
}

@media (min-width: 900px) {
  .experience .banner-image {
    height: 200px;
  }
}

.experience__heading {
  border-top: 1px solid #555;
  border-bottom: 1px solid #555;
  padding: 36px 0 26px;
}

.experience__heading .section-title {
  margin: 0;
}

.timeline {
  list-style: none;
  margin: 0 auto;
  padding: 40px var(--gutter) 64px;
  max-width: var(--content-width);
}

.job {
  position: relative;
  padding: 0 0 40px 28px;
  border-left: 1px solid #333;
  font-size: 15px;
}

.job::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 8px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--color-black);
}

.job__title {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 15px;
  text-transform: none;
  letter-spacing: 0;
  line-height: 1.5;
  margin: 0 0 0.8em;
}

.job__dates {
  display: block;
  margin-top: 0.8em;
}

.job__details p {
  margin-bottom: 0.4em;
}

.job__details ul {
  margin: 0;
  padding-left: 1.2em;
  list-style: disc;
}

@media (min-width: 900px) {
  .timeline {
    padding: 56px 9% 72px;
  }

  /* Title on the left, line and dot in the middle, details on the right */
  .job {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-left: 0;
    padding: 0 0 56px;
  }

  .job::after {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: calc(50% - 74px);
    border-left: 1px solid #333;
  }

  .job:last-child::after {
    bottom: 40px;
  }

  .job::before {
    left: calc(50% - 78px);
    top: 46px;
  }

  .job__title {
    padding-top: 32px;
    padding-right: 120px;
  }

  .job__details {
    margin-left: -30px;
  }
}

/* ---------- Projects ---------- */

.projects-banner {
  position: relative;
  padding: 120px var(--gutter) 0;
  background: url("../images/banner-teal-waves.jpg") center / cover no-repeat;
}

.projects-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(220, 245, 240, 0.35);
}

.intro-card {
  position: relative;
  max-width: 990px;
  margin: 0 auto;
  background: var(--color-white);
  padding: 48px var(--gutter) 24px;
}

@media (min-width: 900px) {
  .projects-banner {
    padding-top: 100px;
  }

  .intro-card {
    padding: 64px 13% 24px;
  }

  .intro-card p {
    max-width: 38em;
  }
}

.project-list {
  padding: 24px 0 48px;
}

.project {
  display: grid;
  gap: 24px;
  align-items: center;
  padding: 40px 0;
  border-top: 1px solid var(--color-rule);
}

.project h2 {
  font-size: clamp(20px, 3.2vw, 26px);
  margin-bottom: 0.7em;
}

.project__media img,
.project__media video {
  width: 100%;
}

@media (min-width: 900px) {
  .project-list .container {
    padding: 0 9%;
  }

  .project {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
  }

  /* Alternate image on the left, then on the right */
  .project--media-right .project__media {
    order: 2;
  }
}

/* ---------- Digital Design ---------- */

.design-page {
  display: grid;
  gap: 24px;
  padding: 48px var(--gutter) 64px;
}

.design-page__intro .section-title {
  font-size: clamp(32px, 5vw, 48px);
  line-height: 1.35;
}

.design-item {
  margin-bottom: 48px;
}

.design-item h2 {
  font-family: var(--font-body);
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  font-size: 20px;
  margin-bottom: 0.4em;
}

.design-item img {
  margin-top: 8px;
}

@media (min-width: 900px) {
  .design-page {
    grid-template-columns: 1fr 1.15fr;
    gap: 56px;
    padding: 56px 9% 72px;
  }

  .design-page__intro {
    position: sticky;
    top: calc(var(--header-height) + 40px);
    align-self: start;
  }
}

/* ---------- Blog ---------- */

.blog-wrap {
  padding: 24px 12px 48px;
  background: url("../images/blog-teal-gradient.jpg") center / cover;
}

@media (min-width: 900px) {
  .blog-wrap {
    padding: 24px 48px 64px;
  }
}

.blog-wrap__inner {
  max-width: 1230px;
  margin: 0 auto;
}

.blog-heading {
  background: var(--color-white);
  padding: 24px var(--gutter);
  margin-bottom: 16px;
}

.blog-heading .section-title {
  margin: 0;
}

.post-grid {
  display: grid;
  gap: 16px;
}

@media (min-width: 700px) {
  .post-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* Cards: the cover image fills the card, text sits on top of it */
.post-card {
  position: relative;
  display: block;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  color: var(--color-white);
  text-decoration: none;
  background: var(--color-teal-deep);
}

.post-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}

.post-card:hover img {
  transform: scale(1.03);
}

.post-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(0, 0, 0, 0.25), rgba(0, 0, 0, 0) 30%, rgba(0, 0, 0, 0) 55%, rgba(0, 0, 0, 0.55));
}

.post-card__meta,
.post-card__title {
  position: absolute;
  z-index: 1;
  left: 20px;
  right: 20px;
}

.post-card__meta {
  top: 16px;
  font-size: 12px;
  line-height: 1.5;
}

.post-card__title {
  bottom: 24px;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: clamp(18px, 2vw, 22px);
  text-transform: none;
  letter-spacing: 0;
  line-height: 1.35;
  color: var(--color-white);
  margin: 0;
}

/* Single post */
.post-nav {
  max-width: 980px;
  margin: 0 auto;
  padding: 20px var(--gutter);
  font-size: 14px;
}

.post-nav a {
  text-decoration: none;
  margin-right: 24px;
}

.post {
  max-width: 940px;
  margin: 0 auto 48px;
  padding: 40px var(--gutter) 48px;
  background: var(--color-white);
  border: 1px solid #e6e6e6;
}

@media (min-width: 900px) {
  .post {
    padding: 56px 88px 64px;
  }
}

.post__meta {
  font-size: 13px;
  margin-bottom: 20px;
}

.post h1 {
  font-size: clamp(24px, 4vw, 36px);
  line-height: 1.3;
  margin-bottom: 0.8em;
}

.post h2 {
  font-family: var(--font-body);
  font-weight: 600;
  text-transform: none;
  letter-spacing: 0;
  font-size: 20px;
  margin: 1.6em 0 0.5em;
}

.post h3 {
  font-family: var(--font-body);
  font-weight: 600;
  text-transform: none;
  letter-spacing: 0;
  font-size: 17px;
  margin: 1.4em 0 0.4em;
}

.post figure {
  margin: 28px auto;
  max-width: 420px;
}

.post ul {
  padding-left: 1.2em;
}

.post__tags {
  border-top: 1px solid #e6e6e6;
  margin-top: 40px;
  padding-top: 20px;
  font-size: 14px;
}

.post__tags ul {
  list-style: none;
  padding: 0;
  margin: 8px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.post__tags li {
  border: 1px solid #ccc;
  padding: 2px 12px;
}

.recent-posts {
  max-width: 940px;
  margin: 0 auto 64px;
  padding: 0 var(--gutter);
}

.recent-posts h2 {
  font-size: 16px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.recent-posts h2 a {
  font-family: var(--font-body);
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  font-size: 14px;
}

.recent-posts .post-grid {
  grid-template-columns: minmax(0, 360px);
}

/* ---------- Footer: contact form ---------- */

.site-footer {
  background: var(--color-teal);
  padding: 56px 0 64px;
}

.site-footer__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.contact-heading::before {
  content: "";
  display: block;
  width: 26px;
  border-top: 2px solid var(--color-black);
  margin-bottom: 18px;
}

.contact-heading h2 {
  font-size: 15px;
  margin-bottom: 14px;
}

.social-link {
  display: inline-block;
  width: 22px;
  height: 22px;
}

.social-link svg {
  width: 100%;
  height: 100%;
  fill: var(--color-black);
}

.contact-form {
  display: grid;
  gap: 14px 20px;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}

.field {
  display: flex;
  flex-direction: column;
  grid-column: 1 / -1;
  font-size: 14px;
}

.field--half {
  grid-column: span 1;
}

.field label {
  margin-bottom: 4px;
}

.field input,
.field textarea {
  width: 100%;
  min-width: 0;
  font: inherit;
  font-size: 15px;
  padding: 8px 10px;
  background: transparent;
  border: 2px solid #1d3e40;
  border-radius: 0;
  color: var(--color-black);
}

.field textarea {
  min-height: 110px;
  resize: vertical;
}

.field input:focus,
.field textarea:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.25);
}

.form-trap {
  display: none;
}

.contact-form button {
  grid-column: 1 / -1;
  justify-self: end;
  min-width: 160px;
  padding: 12px 32px;
  font: inherit;
  font-size: 15px;
  color: var(--color-white);
  background: var(--color-black);
  border: 0;
  cursor: pointer;
}

.contact-form button:hover {
  background: var(--color-teal-deep);
}

.contact-form button:disabled {
  opacity: 0.6;
  cursor: wait;
}

.form-status {
  grid-column: 1 / -1;
  margin: 0;
  font-weight: 400;
}

@media (min-width: 900px) {
  .site-footer {
    padding: 64px 0 72px;
  }

  .site-footer__inner {
    grid-template-columns: 1fr 1.25fr;
    align-items: center;
    padding: 0 9%;
  }
}

/* ---------- 404 ---------- */

.not-found {
  max-width: 720px;
  margin: 64px auto;
  padding: 56px var(--gutter);
  background: var(--color-white);
  text-align: center;
}

.not-found .button {
  background: var(--color-black);
  color: var(--color-white);
}