/* =========================================================================
   nickhawn.com shared styles
   ========================================================================= */

/* ---------- Tokens ---------- */

:root {
  --color-bg: #f4e9e4;
  --color-surface: #ede0d9;
  --color-surface-2: #e6d3c9;
  --color-border: #e0cfc5;
  --color-text: #0a0a0a;
  --color-muted: #5a4d47;
  --color-primary: #f29a7d;
  --color-accent: #f27dad;

  --font-display: "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, sans-serif;
  --font-body: var(--font-display);
  --font-mono: "Geist Mono", ui-monospace, "SF Mono", SFMono-Regular, Menlo,
    Consolas, "Liberation Mono", monospace;

  --fs-hero: clamp(3rem, 8vw, 6.5rem);
  --fs-h1: clamp(2.25rem, 5.5vw, 3.75rem);
  --fs-h2: clamp(1.5rem, 3vw, 2rem);
  --fs-h3: clamp(1.125rem, 1.6vw, 1.375rem);
  --fs-body: clamp(1rem, 1.05vw, 1.125rem);
  --fs-small: clamp(0.875rem, 0.95vw, 1rem);
  --fs-xs: 0.8125rem;

  --container-max: min(1100px, 92vw);
  --section-y: clamp(3.5rem, 8vw, 6rem);

  --radius: 14px;
  --radius-sm: 8px;

  --ease: cubic-bezier(0.4, 0, 0.2, 1);

  color-scheme: light only;
}

/* ---------- Reset ---------- */

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

html {
  scroll-behavior: smooth;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 0.3s var(--ease), color 0.3s var(--ease);
}

body {
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

::selection {
  background: var(--color-primary);
  color: var(--color-bg);
}

/* ---------- Skip link ---------- */

.skip-link {
  position: absolute;
  left: 1rem;
  top: 1rem;
  padding: 0.5rem 0.75rem;
  background: var(--color-text);
  color: var(--color-bg);
  border-radius: var(--radius-sm);
  transform: translateY(-200%);
  transition: transform 0.2s var(--ease);
  z-index: 100;
  font-size: var(--fs-small);
}
.skip-link:focus {
  transform: translateY(0);
}

/* ---------- Container ---------- */

.container {
  width: var(--container-max);
  margin-inline: auto;
}

.section {
  padding-block: var(--section-y);
}

/* ---------- Typography ---------- */

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0;
  letter-spacing: -0.015em;
}

.eyebrow {
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--color-muted);
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.92em;
}

.lead {
  font-size: clamp(1.05rem, 1.3vw, 1.25rem);
  line-height: 1.6;
  color: var(--color-text);
  max-width: 62ch;
}

.muted {
  color: var(--color-muted);
}

/* ---------- Nav ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: transparent;
  transition: background-color 0.25s var(--ease),
    backdrop-filter 0.25s var(--ease), border-color 0.25s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: color-mix(in oklab, var(--color-bg) 85%, transparent);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom-color: var(--color-border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 68px;
}

.nav__brand {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--color-text);
  letter-spacing: -0.015em;
  transition: color 0.2s var(--ease);
}
.nav__brand:hover,
.nav__brand:focus-visible {
  color: var(--color-primary);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav__link {
  position: relative;
  text-decoration: none;
  color: var(--color-text);
  font-size: var(--fs-small);
  padding: 0.25rem 0;
  transition: color 0.2s var(--ease);
}
.nav__link:hover,
.nav__link:focus-visible {
  color: var(--color-primary);
}
.nav__link[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -6px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-primary);
  transform: translateX(-50%);
}
.nav__link--external::after {
  content: "↗";
  margin-left: 0.25rem;
  font-size: 0.85em;
  opacity: 0.5;
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
  display: inline-block;
}
.nav__link--external:hover::after,
.nav__link--external:focus-visible::after {
  opacity: 1;
  transform: translate(1px, -1px);
}

@media (max-width: 640px) {
  .nav {
    border-bottom-color: var(--color-border);
  }
  .nav__inner {
    flex-direction: column;
    align-items: flex-start;
    height: auto;
    padding-block: 1rem;
    gap: 0.75rem;
  }
  .nav__links {
    gap: 1.5rem;
  }
}

/* ---------- Hero (home) ---------- */

main:has(.hero) {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero {
  padding-block: clamp(2rem, 5vw, 4rem);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

@media (min-width: 860px) {
  .hero {
    grid-template-columns: 1.35fr 1fr;
  }
}

.hero__text {
  max-width: 56ch;
}

.hero__name {
  font-family: var(--font-display);
  font-size: var(--fs-hero);
  font-weight: 600;
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--color-primary);
  margin: 0.75rem 0 1.25rem;
  position: relative;
  display: inline-block;
}

.hero__role {
  font-size: clamp(1.125rem, 1.6vw, 1.375rem);
  line-height: 1.35;
  color: var(--color-text);
  margin: 0 0 1rem;
  font-weight: 400;
}

.hero__bio {
  font-size: var(--fs-body);
  line-height: 1.7;
  color: var(--color-muted);
  max-width: 54ch;
  margin: 0;
}
.hero__bio p {
  margin: 0 0 1em;
}
.hero__bio p:last-child {
  margin-bottom: 0;
}
.hero__bio strong {
  color: var(--color-text);
  font-weight: 600;
}

.hero__photo {
  position: relative;
  width: 100%;
  max-width: 360px;
  aspect-ratio: 4 / 5;
  justify-self: center;
  transition: transform 0.35s var(--ease);
}
.hero__photo::before {
  content: "";
  position: absolute;
  inset: 12px -12px -12px 12px;
  background: var(--color-primary);
  border-radius: var(--radius);
  z-index: 0;
  opacity: 0.4;
  transition: inset 0.35s var(--ease), opacity 0.35s var(--ease),
    background-color 0.35s var(--ease);
}
.hero__photo:hover {
  transform: translate(-4px, -4px);
}
.hero__photo:hover::before {
  inset: 20px -20px -20px 20px;
  opacity: 0.7;
  background: var(--color-accent);
}
.hero__photo img,
.hero__photo .photo-placeholder {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  transition: border-color 0.35s var(--ease);
}
.hero__photo:hover img,
.hero__photo:hover .photo-placeholder {
  border-color: var(--color-primary);
}
.hero__photo .photo-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
  font-size: var(--fs-small);
  text-align: center;
  padding: 1rem;
}

/* ---------- Page header (non-home pages) ---------- */

.page-header {
  padding-block: clamp(2.5rem, 6vw, 4.5rem) 5.5rem;
}
.page-header + .section,
.page-header + .contact {
  padding-top: 0;
}
.page-header h1 {
  font-size: var(--fs-h1);
  font-weight: 600;
  margin: 0.5rem 0 1.25rem;
  color: var(--color-text);
  letter-spacing: -0.025em;
}
.page-header p {
  color: var(--color-muted);
  max-width: 62ch;
  font-size: clamp(1rem, 1.2vw, 1.125rem);
  line-height: 1.65;
  margin: 0;
}
/* ---------- Cards / project grid ---------- */

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 860px) {
  .grid--work {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
}

.card {
  position: relative;
  padding: 1.75rem;
  background: var(--color-bg);
  border: 1px solid transparent;
  border-radius: var(--radius);
  color: var(--color-text);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  transition: transform 0.25s var(--ease);
  isolation: isolate;
}
.card::before {
  content: "";
  position: absolute;
  inset: 8px -8px -8px 8px;
  background: var(--color-primary);
  border-radius: var(--radius);
  opacity: 0.18;
  z-index: -1;
  transition: inset 0.25s var(--ease), opacity 0.25s var(--ease);
}
a.card:hover,
a.card:focus-visible {
  transform: translate(-2px, -2px);
}
a.card:hover::before,
a.card:focus-visible::before {
  inset: 12px -12px -12px 12px;
  opacity: 0.3;
}
.card--featured {
  grid-column: 1 / -1;
  padding: 2rem;
}

.card__title {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.015em;
  line-height: 1.2;
}
.card--featured .card__title {
  font-size: clamp(1.5rem, 2.4vw, 2rem);
}
.card__title .fa-arrow-up-right-from-square {
  font-size: 0.6em;
  margin-left: 0.4em;
  vertical-align: 0.15em;
}
.card__desc {
  color: var(--color-muted);
  font-size: var(--fs-body);
  line-height: 1.65;
  margin: 0;
}
.card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.6rem;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--color-muted);
  margin-top: 0.25rem;
}
.card__metric {
  color: var(--color-text);
  font-weight: 600;
}
.card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}
.card__tag {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  padding: 0.25rem 0.55rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-muted);
  background: var(--color-bg);
}

/* ---------- Writing list ---------- */

.posts {
  display: flex;
  flex-direction: column;
  gap: 0;
  list-style: none;
  padding: 0;
  margin: 0;
}
.post {
  border-bottom: 1px solid var(--color-border);
  padding-block: 1.5rem;
}
.post:last-child {
  border-bottom: none;
}

.post--featured {
  position: relative;
  background: color-mix(in oklab, var(--color-primary) 20%, var(--color-bg));
  margin-inline: -1.25rem;
  padding-inline: 1.25rem;
  border-radius: var(--radius-sm);
  border-bottom-color: transparent;
  isolation: isolate;
}
@media (max-width: 720px) {
  .post--featured {
    margin-inline: -0.75rem;
    padding-inline: 0.75rem;
  }
}
.imperfect-border-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: visible;
  z-index: -1;
}
.post:has(+ .post--featured) {
  border-bottom-color: transparent;
}
.post--featured .post__date {
  color: var(--color-text);
  font-weight: 600;
}
.post--featured .post__link:hover .post__title,
.post--featured .post__link:focus-visible .post__title {
  color: var(--color-accent);
}
.post__link {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.4rem;
  text-decoration: none;
  color: inherit;
}
@media (min-width: 720px) {
  .post__link {
    grid-template-columns: 7rem 1fr;
    gap: 1.5rem;
    align-items: baseline;
  }
}
.post__date {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--color-muted);
  white-space: nowrap;
}
.post__title {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.015em;
  line-height: 1.25;
  transition: color 0.2s var(--ease);
  display: inline;
}
.post__title .fa-arrow-up-right-from-square {
  font-size: 0.7em;
  margin-left: 0.4em;
  color: var(--color-muted);
  vertical-align: 0.08em;
  transition: color 0.2s var(--ease), transform 0.2s var(--ease);
  display: inline-block;
}
.post__link:hover .post__title,
.post__link:focus-visible .post__title {
  color: var(--color-primary);
}
.post__link:hover .post__title .fa-arrow-up-right-from-square,
.post__link:focus-visible .post__title .fa-arrow-up-right-from-square {
  color: var(--color-primary);
  transform: translate(2px, -2px);
}
.post__excerpt {
  color: var(--color-muted);
  font-size: var(--fs-small);
  line-height: 1.6;
  margin: 0.25rem 0 0;
  grid-column: 1 / -1;
}
@media (min-width: 720px) {
  .post__excerpt {
    grid-column: 2;
  }
}

/* ---------- Contact ---------- */

.contact {
  padding-block: clamp(3rem, 8vw, 6rem);
}
.contact__email {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 5.5vw, 3.25rem);
  font-weight: 600;
  letter-spacing: -0.035em;
  color: var(--color-primary);
  text-decoration: none;
  line-height: 1.2;
  word-break: break-word;
  position: relative;
  display: inline-block;
}
/* ---------- Footer ---------- */

.footer {
  margin-top: auto;
  padding-block: 2.5rem;
  font-size: var(--fs-small);
  color: var(--color-muted);
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ---------- Social icon links ---------- */

.social-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  padding: 0;
  margin: 0;
}
.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
  text-decoration: none;
  font-size: 1.125rem;
  line-height: 1;
  padding: 0.25rem;
  transition: color 0.2s var(--ease), transform 0.2s var(--ease);
}
.social-links a:hover,
.social-links a:focus-visible {
  color: var(--color-primary);
  transform: translateY(-2px);
}
.social-links--large {
  gap: 1.75rem;
  margin-top: 2rem;
}
.social-links--large a {
  font-size: 1.5rem;
}

/* ---------- SVG underlines ---------- */

.underline-svg {
  position: absolute;
  left: -4px;
  bottom: -2px;
  width: calc(100% + 8px);
  height: 10px;
  pointer-events: none;
  overflow: visible;
}

.underline--name,
.underline--large,
.underline--draw {
  position: relative;
  display: inline-block;
}

.underline--draw {
  padding-bottom: 6px;
  text-decoration: none;
}

.underline--name .underline-svg {
  left: -6px;
  bottom: -8px;
  width: calc(100% + 6px);
  height: 14px;
}

.underline--large .underline-svg {
  left: -6px;
  bottom: -13px;
  width: calc(100% + 12px);
  height: 16px;
}

.contact__email {
  padding-bottom: 4px;
  transition: transform 0.35s var(--ease), color 0.35s var(--ease),
    letter-spacing 0.35s var(--ease);
}
.contact__email:hover,
.contact__email:focus-visible {
  transform: translate(-5px, -5px);
  color: var(--color-accent);
  letter-spacing: -0.03em;
}
.contact__email .underline-svg {
  transition: transform 0.35s var(--ease), opacity 0.35s var(--ease);
  transform-origin: left center;
}
.contact__email:hover .underline-svg,
.contact__email:focus-visible .underline-svg {
  transform: scaleY(1.3) translateY(-2px);
}

.underline--draw .underline-svg path {
  stroke-dashoffset: var(--path-length);
  stroke-dasharray: var(--path-length);
  transition: none;
}
.underline--draw.is-ready .underline-svg path {
  transition: stroke-dashoffset 0.5s var(--ease);
}
.underline--draw:hover .underline-svg path,
.underline--draw:focus-visible .underline-svg path {
  stroke-dashoffset: 0;
}

/* ---------- Reveal on scroll ---------- */

.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Page load fade-up ---------- */

main {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s var(--ease) 0.05s,
    transform 0.7s var(--ease) 0.05s;
}
main.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Focus ---------- */

:focus {
  outline: none;
}
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- Reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  main,
  .reveal {
    opacity: 1;
    transform: none;
  }
  .underline--draw:hover .underline-svg path,
  .underline--draw:focus-visible .underline-svg path {
    stroke-dashoffset: 0;
  }
}

/* ---------- Post modal ---------- */

body.modal-open {
  overflow: hidden;
}

.post-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(0.75rem, 2.5vw, 2rem);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s var(--ease);
}

.post-modal[hidden] {
  display: none;
}

.post-modal.is-open {
  opacity: 1;
  pointer-events: auto;
}

.post-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 12, 10, 0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.post-modal__dialog {
  position: relative;
  display: flex;
  flex-direction: column;
  width: min(1100px, 100%);
  height: min(90vh, 900px);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: 0 30px 80px -20px rgba(20, 12, 10, 0.45);
  overflow: hidden;
  transform: translateY(8px) scale(0.99);
  transition: transform 0.22s var(--ease);
}

.post-modal.is-open .post-modal__dialog {
  transform: translateY(0) scale(1);
}

.post-modal__header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}

.post-modal__title {
  flex: 1;
  min-width: 0;
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.post-modal__external,
.post-modal__close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  height: 2rem;
  padding: 0;
  width: 2rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-muted);
  font: inherit;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.15s var(--ease), color 0.15s var(--ease),
    border-color 0.15s var(--ease);
}

.post-modal__external:hover,
.post-modal__external:focus-visible,
.post-modal__close:hover,
.post-modal__close:focus-visible {
  background: var(--color-surface-2);
  color: var(--color-text);
  border-color: var(--color-border);
  outline: none;
}

.post-modal__close-arrow,
.post-modal__close-label {
  display: none;
}

.post-modal__frame {
  flex: 1;
  width: 100%;
  border: 0;
  background: #fff;
}

@media (max-width: 640px) {
  .post-modal {
    padding: 0;
  }
  .post-modal__dialog {
    width: 100%;
    height: 100%;
    max-height: 100svh;
    border-radius: 0;
    border: 0;
  }
  .post-modal__title {
    display: none;
  }
  .post-modal__close {
    flex: 1;
    width: auto;
    justify-content: flex-start;
    padding: 0 0.5rem;
    font-size: var(--fs-small);
    font-weight: 600;
    color: var(--color-text);
  }
  .post-modal__close-x {
    display: none;
  }
  .post-modal__close-arrow,
  .post-modal__close-label {
    display: inline;
  }
}

@media (prefers-reduced-motion: reduce) {
  .post-modal,
  .post-modal__dialog {
    transition: none;
  }
}