/* =========================
   Gruvbox-inspired personal site
   ========================= */

:root {
  --bg: #11130f;
  --bg-deep: #0b0d0a;
  --surface: #171a14;
  --surface-raised: #1d2118;
  --border: #3a3d2d;

  --text: #d8c9b2;
  --muted: #938b79;
  --soft: #b7aa91;

  --olive: #7f8f45;
  --green: #626c3d;
  --yellow: #d8a84e;
  --brown: #735f45;

  --mono: "IBM Plex Mono", monospace;
  --sans: "Inter", sans-serif;

  --radius: 4px;
  --container: 1200px;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.28);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 80% 10%, rgba(127, 143, 69, 0.08), transparent 28%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-deep) 100%);
  color: var(--text);
  font-family: var(--mono);
  line-height: 1.7;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.035;
  background-image:
    linear-gradient(rgba(255,255,255,.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.5) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(to bottom, black, transparent 75%);
}

a {
  color: inherit;
  text-decoration: none;
}

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

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1,
h2,
p {
  margin-top: 0;
}

.container {
  width: min(calc(100% - 40px), var(--container));
  margin-inline: auto;
}

.section {
  padding: 84px 0;
}

.section-border {
  border-top: 1px solid rgba(127, 143, 69, 0.16);
  border-bottom: 1px solid rgba(127, 143, 69, 0.12);
}

.section-label,
.eyebrow {
  margin-bottom: 28px;
  color: var(--olive);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: lowercase;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(127, 143, 69, 0.12);
  background: rgba(11, 13, 10, 0.9);
  backdrop-filter: blur(14px);
}

.nav {
  min-height: 76px;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 32px;
}

.logo {
  color: var(--olive);
  font-size: 1.7rem;
  font-weight: 600;
  letter-spacing: -0.06em;
}

.logo span {
  color: var(--yellow);
}

.nav-links {
  display: flex;
  justify-content: center;
  gap: 34px;
}

.nav-links a {
  padding: 26px 0 21px;
  border-bottom: 2px solid transparent;
  color: var(--soft);
  font-size: 0.78rem;
  text-transform: uppercase;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--yellow);
  border-color: var(--yellow);
}

/* Buttons */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.8rem;
  text-transform: uppercase;
  transition: 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
  border-color: var(--yellow);
}

.button-primary {
  background: linear-gradient(135deg, var(--green), #41472d);
  color: #f0dfbf;
}

.button-ghost {
  color: var(--soft);
}

.text-link {
  color: var(--yellow);
  font-size: 0.8rem;
  text-transform: uppercase;
}

/* Hero */

.hero {
  padding-top: 72px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(420px, 0.95fr);
  gap: 70px;
  align-items: center;
}

.hero-copy-grid {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 28px;
}

.line-numbers {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 28px;
  color: #59603c;
  font-size: 0.8rem;
}

.line-numbers::before {
  content: "";
  position: absolute;
  top: -8px;
  bottom: -8px;
  left: 30px;
  width: 1px;
  background: var(--border);
}

.line-numbers li {
  position: relative;
}

.line-numbers li.active {
  color: var(--yellow);
}

.line-numbers li.active::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 27px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--yellow);
  transform: translateY(-50%);
}

h1 {
  max-width: 720px;
  margin-bottom: 30px;
  font-size: clamp(2.5rem, 5vw, 4.6rem);
  line-height: 1.12;
  letter-spacing: -0.045em;
  font-weight: 500;
}

h1 span {
  color: var(--yellow);
}

.hero-description {
  max-width: 560px;
  color: var(--soft);
  font-size: 0.96rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-top: 34px;
}

.hero-visual {
  position: relative;
  min-height: 520px;
}

/* Previous remote image option:
   url("https://images.unsplash.com/photo-1500530855697-b586d89ba3ee?auto=format&fit=crop&w=1400&q=80")
*/

.hero-image {
  height: 390px;
  border: 1px solid var(--border);
  background:
    linear-gradient(rgba(34, 38, 28, 0.18), rgba(11, 13, 10, 0.42)),
    url("images/lake2.jpg") center / cover;
  filter: sepia(0.28) saturate(0.72) contrast(1.05);
  box-shadow: var(--shadow);
  transform: translateY(-80px);
/*  animation: hero-image-rotate 18s infinite; */
}

@keyframes hero-image-rotate {
  0%,
  28% {
    background-image:
      linear-gradient(rgba(34, 38, 28, 0.18), rgba(11, 13, 10, 0.42)),
      url("images/lake3.jpg");
  }

  33%,
  61% {
    background-image:
      linear-gradient(rgba(34, 38, 28, 0.18), rgba(11, 13, 10, 0.42)),
      url("images/lake2.jpg");
  }

  66%,
  94% {
    background-image:
      linear-gradient(rgba(34, 38, 28, 0.18), rgba(11, 13, 10, 0.42)),
      url("images/lake4.jpg");
  }

  100% {
    background-image:
      linear-gradient(rgba(34, 38, 28, 0.18), rgba(11, 13, 10, 0.42)),
      url("images/lake3.jpg");
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-image {
    animation: none;
  }
}

.terminal-card {
  position: absolute;
  right: 10px;
  bottom: 0;
  width: min(92%, 430px);
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(17, 19, 15, 0.96);
  box-shadow: var(--shadow);
  font-size: 0.82rem;
}

.terminal-card > p {
  margin-bottom: 12px;
  color: var(--olive);
}

.terminal-card dl {
  margin: 0 0 12px;
}

.terminal-card dl div {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 12px;
}

.terminal-card dt {
  color: var(--olive);
}

.terminal-card dd {
  margin: 0;
  color: var(--soft);
}

.cursor {
  animation: blink 1s steps(1) infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

/* Cards and grids */

.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255,255,255,.015), transparent),
    var(--surface);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.service-card {
  min-height: 245px;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
}

.service-card .icon {
  margin-bottom: 30px;
  color: var(--yellow);
  font-size: 1.45rem;
}

.section-title {
  margin: -16px 0 0;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 500;
  letter-spacing: -0.035em;
}

.service-card h2,
.project-card h2 {
  font-size: 0.92rem;
  font-weight: 500;
  text-transform: uppercase;
}

.service-card p,
.project-card p,
.currently-copy {
  color: var(--muted);
  font-size: 0.86rem;
}

.service-card a {
  margin-top: auto;
  color: var(--yellow);
  font-size: 1.2rem;
}

.service-card:hover,
.project-card:hover {
  border-color: var(--olive);
  transform: translateY(-3px);
  transition: 160ms ease;
}

.section-heading-row,
.project-title-row,
.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.project-card {
  overflow: hidden;
}

.project-image {
  aspect-ratio: 16 / 10;
  border-bottom: 1px solid var(--border);
  background-size: cover;
  background-position: center;
  filter: sepia(0.35) saturate(0.75) brightness(0.78);
}

.project-image-one {
  background-image:
    linear-gradient(rgba(17,19,15,.18), rgba(17,19,15,.4)),
    url("https://images.unsplash.com/photo-1551288049-bebda4e38f71?auto=format&fit=crop&w=1000&q=80");
}

.project-image-two {
  background-image:
    linear-gradient(rgba(17,19,15,.12), rgba(17,19,15,.38)),
    url("https://images.unsplash.com/photo-1464822759023-fed622ff2c3b?auto=format&fit=crop&w=1000&q=80");
}

.project-image-three {
  background-image:
    linear-gradient(rgba(17,19,15,.18), rgba(17,19,15,.45)),
    url("https://images.unsplash.com/photo-1551650975-87deedd944c3?auto=format&fit=crop&w=1000&q=80");
}

.project-body {
  padding: 22px;
}

.project-title-row span {
  color: var(--olive);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.tags li {
  padding: 5px 8px;
  border: 1px solid rgba(127, 143, 69, 0.2);
  background: var(--surface-raised);
  color: var(--soft);
  font-size: 0.7rem;
}

/* Blog home */

.intro-section {
  padding: 72px 0 56px;
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 380px);
  gap: 56px;
  align-items: end;
}

.blog-home h1,
.article-page h1,
.gallery-page-hero h1 {
  max-width: 760px;
  margin-bottom: 18px;
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.14;
}

.intro-copy {
  max-width: 760px;
  color: var(--soft);
  font-size: 1rem;
}

.intro-card {
  padding: 24px;
  color: var(--muted);
  font-size: 0.84rem;
}

.intro-card p:first-child {
  color: var(--olive);
}

.article-index {
  width: min(80vw, 980px);
}

.article-list {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.article-row {
  transition: 160ms ease;
}

.article-row:hover {
  border-color: var(--olive);
  transform: translateY(-2px);
}

.article-row a {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 8px 24px;
  padding: 22px 24px;
}

.article-row time {
  color: var(--olive);
  font-size: 0.76rem;
}

.article-row span {
  color: var(--yellow);
  font-size: 1rem;
}

.article-row p {
  grid-column: 2;
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.article-container {
  max-width: 760px;
}

.article-container time {
  display: block;
  margin-bottom: 28px;
  color: var(--olive);
  font-size: 0.8rem;
}

.article-container p {
  color: var(--soft);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--soft);
  font-size: 0.78rem;
}

.footer-links a:hover {
  color: var(--yellow);
}

/* Gallery */

.gallery-page-hero {
  padding-bottom: 52px;
}

.gallery-page-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 430px);
  gap: 64px;
  align-items: end;
}

.gallery-terminal {
  position: static;
  width: 100%;
}

.gallery-toolbar {
  align-items: flex-end;
}

.gallery-controls {
  display: grid;
  justify-items: end;
  gap: 10px;
}

.gallery-controls label {
  color: var(--olive);
  font-size: 0.72rem;
  text-transform: uppercase;
}

.gallery-controls select {
  min-width: 180px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--soft);
  font: inherit;
  font-size: 0.78rem;
}

.gallery-controls select:focus {
  outline: 1px solid var(--yellow);
  border-color: var(--yellow);
}

.gallery-meta {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 0.76rem;
  text-align: right;
  text-transform: uppercase;
}

.gallery-meta span:first-child {
  color: var(--yellow);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 28px;
}

.gallery-item {
  overflow: hidden;
  transition: 160ms ease;
}

.gallery-item:hover {
  border-color: var(--olive);
  transform: translateY(-3px);
}

.gallery-thumb {
  display: grid;
  width: 100%;
  min-height: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: zoom-in;
}

.gallery-thumb:focus-visible {
  outline: 2px solid var(--yellow);
  outline-offset: -2px;
}

.gallery-item img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-bottom: 1px solid var(--border);
  filter: sepia(0.24) saturate(0.78) brightness(0.82);
  transition: 180ms ease;
}

.gallery-item:hover img {
  filter: sepia(0.12) saturate(0.95) brightness(0.96);
  transform: scale(1.02);
}

.gallery-caption {
  padding: 14px 16px;
  color: var(--soft);
  font-size: 0.78rem;
  text-transform: uppercase;
}

.gallery-empty {
  grid-column: 1 / -1;
  padding: 28px;
  color: var(--muted);
  font-size: 0.86rem;
}

.gallery-note {
  max-width: 780px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.gallery-note code {
  color: var(--yellow);
}

body.lightbox-open {
  overflow: hidden;
}

.gallery-lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  grid-template-columns: minmax(48px, 0.12fr) minmax(0, 1fr) minmax(48px, 0.12fr);
  align-items: center;
  gap: 16px;
  padding: 28px;
  background: rgba(5, 6, 4, 0.92);
  backdrop-filter: blur(8px);
}

.gallery-lightbox[hidden] {
  display: none;
}

.gallery-lightbox-figure {
  display: grid;
  gap: 14px;
  justify-items: center;
  margin: 0;
}

.gallery-lightbox-figure a {
  cursor: zoom-in;
}

.gallery-lightbox-figure a:focus-visible {
  outline: 2px solid var(--yellow);
  outline-offset: 4px;
}

.gallery-lightbox-figure img {
  max-width: 100%;
  max-height: calc(100vh - 150px);
  border: 1px solid var(--border);
  object-fit: contain;
  box-shadow: var(--shadow);
}

.gallery-lightbox-figure figcaption {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  width: min(100%, 900px);
  color: var(--soft);
  font-size: 0.78rem;
  text-transform: uppercase;
}

.gallery-lightbox-figure figcaption span:last-child {
  color: var(--olive);
  white-space: nowrap;
}

.gallery-lightbox-close,
.gallery-lightbox-nav {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(17, 19, 15, 0.88);
  color: var(--yellow);
  cursor: pointer;
  font: inherit;
  transition: 160ms ease;
}

.gallery-lightbox-close:hover,
.gallery-lightbox-nav:hover,
.gallery-lightbox-close:focus-visible,
.gallery-lightbox-nav:focus-visible {
  border-color: var(--yellow);
  background: var(--surface);
  outline: none;
}

.gallery-lightbox-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 44px;
  height: 44px;
  font-size: 1.5rem;
  line-height: 1;
}

.gallery-lightbox-nav {
  width: 52px;
  height: 72px;
  font-size: 2.4rem;
  line-height: 1;
}

.gallery-lightbox-prev {
  justify-self: end;
}

.gallery-lightbox-next {
  justify-self: start;
}

/* Lower content */

.lower-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.35fr 0.8fr;
  gap: 42px;
  align-items: start;
}

.contact-list {
  display: grid;
  gap: 13px;
}

.contact-list li {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 12px;
  align-items: center;
  color: var(--soft);
  font-size: 0.84rem;
}

.contact-list span {
  color: var(--yellow);
}

.quote-card {
  min-height: 210px;
  padding: 34px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: #d8b867;
  font-size: 1.18rem;
  text-align: center;
}

.quote-card cite {
  display: block;
  margin-top: 8px;
  color: var(--soft);
  font-style: normal;
  font-size: 0.9rem;
}

.quote-card > span {
  margin-top: 18px;
  text-align: left;
  color: var(--yellow);
}

/* Footer */

.site-footer {
  padding: 28px 0 38px;
}

.site-footer p {
  margin: 0;
  color: #626945;
  font-size: 0.74rem;
}

/* Responsive */

@media (max-width: 980px) {
  .nav {
    grid-template-columns: auto 1fr;
    gap: 18px;
  }

  .nav-links {
    justify-content: flex-end;
    gap: 18px;
  }

  .hero-grid,
  .lower-grid,
  .gallery-page-heading,
  .intro-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 500px;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .projects-grid,
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .gallery-controls {
    justify-items: start;
  }

  .gallery-meta {
    text-align: left;
  }
}

@media (max-width: 620px) {
  .container {
    width: min(calc(100% - 28px), var(--container));
  }

  .section {
    padding: 62px 0;
  }

  .site-header .button {
    display: none;
  }

  .hero-copy-grid {
    grid-template-columns: 1fr;
  }

  .line-numbers {
    display: none;
  }

  .hero-actions,
  .section-heading-row,
  .footer-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .article-row a {
    grid-template-columns: 1fr;
  }

  .article-row p {
    grid-column: auto;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 420px;
  }

  .hero-image {
    height: 300px;
  }

  .terminal-card {
    right: 0;
    width: 94%;
  }

  .terminal-card dl div {
    grid-template-columns: 76px 1fr;
  }

  .gallery-lightbox {
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "figure figure"
      "prev next";
    align-content: center;
    padding: 18px;
  }

  .gallery-lightbox-figure {
    grid-area: figure;
  }

  .gallery-lightbox-figure img {
    max-height: calc(100vh - 190px);
  }

  .gallery-lightbox-figure figcaption {
    flex-direction: column;
    gap: 4px;
  }

  .gallery-lightbox-prev {
    grid-area: prev;
    justify-self: end;
  }

  .gallery-lightbox-next {
    grid-area: next;
    justify-self: start;
  }
}