/* ---------------------------------------------------------
   Santiago Dysli — Portfolio
   Palette : anthracite / crème / jaune (accent unique)
   Display : Anton (condensé, affiche) — Mono : Space Mono (labels)
   --------------------------------------------------------- */

:root {
  --black: #121110;
  --black-2: #1a1917;
  --black-3: #232120;
  --cream: #efe9dc;
  --cream-2: #e6dec9;
  --ink: #17140f;
  --paper: #f6f2e8;
  --accent: #d7e02a;
  --accent-ink: #1a1a12;
  --line-dark: rgba(246, 242, 232, 0.16);
  --line-light: rgba(23, 20, 15, 0.14);
  --radius: 2px;

  --font-display: "Anton", "Arial Narrow", sans-serif;
  --font-mono: "Space Mono", "Courier New", monospace;
  --font-body: "Inter", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

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

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

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.section-pad {
  padding-left: clamp(20px, 4vw, 64px);
  padding-right: clamp(20px, 4vw, 64px);
}

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

.site-nav {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px clamp(20px, 4vw, 64px);
  background: var(--black);
  color: var(--paper);
  border-bottom: 1px solid var(--line-dark);
}

.nav-monogram {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.04em;
}

.nav-tagline {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  line-height: 1.4;
  text-transform: uppercase;
  color: var(--cream-2);
  text-align: center;
  display: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.2vw, 30px);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.nav-links a {
  padding-bottom: 3px;
  border-bottom: 1px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

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

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line-dark);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 8px 12px;
  border-radius: var(--radius);
}

@media (min-width: 860px) {
  .nav-tagline {
    display: block;
  }
}

@media (max-width: 720px) {
  .nav-links {
    position: fixed;
    inset: 66px 0 0 0;
    background: var(--black);
    flex-direction: column;
    align-items: flex-start;
    padding: 28px 24px;
    gap: 20px;
    font-size: 0.95rem;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s ease, transform 0.18s ease;
  }
  .nav-links.is-open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
  .nav-toggle {
    display: block;
  }
}

/* ---------- Hero ---------- */

.hero {
  background: var(--black);
  color: var(--paper);
  padding-top: clamp(40px, 6vw, 72px);
  padding-bottom: clamp(48px, 7vw, 96px);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(3.4rem, 9vw, 7.5rem);
  line-height: 0.86;
  letter-spacing: -0.01em;
  margin: 0 0 28px;
  color: var(--paper);
}

.hero-name span {
  display: block;
}

.hero-intro {
  max-width: 46ch;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--cream-2);
  margin: 0 0 28px;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  border-bottom: 1px solid var(--accent);
  padding-bottom: 4px;
  transition: gap 0.15s ease;
}

.hero-cta:hover {
  gap: 16px;
}

.hero-media {
  position: relative;
}

.hero-badge {
  position: absolute;
  bottom: 18px;
  right: 18px;
  background: var(--black-2);
  border: 1px solid var(--line-dark);
  color: var(--cream-2);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 10px 14px;
  border-radius: var(--radius);
  z-index: 2;
}

.hero-seal {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 92px;
  height: 92px;
  z-index: 2;
  opacity: 0.85;
}

.hero-seal svg {
  width: 100%;
  height: 100%;
}

.hero-seal text {
  font-family: var(--font-mono);
  font-size: 6.6px;
  letter-spacing: 0.08em;
  fill: var(--cream-2);
  text-transform: uppercase;
}

.hero-seal circle.seal-dot {
  fill: var(--accent);
}

/* ---------- Placeholder media blocks ---------- */

.placeholder-media {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 5;
  background: repeating-linear-gradient(
    135deg,
    var(--black-3),
    var(--black-3) 10px,
    var(--black-2) 10px,
    var(--black-2) 20px
  );
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.placeholder-media.tone-light {
  background: repeating-linear-gradient(
    135deg,
    var(--cream-2),
    var(--cream-2) 10px,
    var(--cream) 10px,
    var(--cream) 20px
  );
  border-color: var(--line-light);
}

.placeholder-media .placeholder-label {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cream-2);
  background: rgba(18, 17, 16, 0.55);
  padding: 8px 12px;
  margin: 12px;
  border-radius: var(--radius);
}

.placeholder-media.tone-light .placeholder-label {
  color: var(--ink);
  background: rgba(246, 242, 232, 0.7);
}

.placeholder-media.ratio-wide {
  aspect-ratio: 16 / 10;
}

.placeholder-media.ratio-square {
  aspect-ratio: 1 / 1;
}

.placeholder-media.ratio-tall {
  aspect-ratio: 3 / 4;
}

/* ---------- Projects intro / grid ---------- */

.projects-section {
  background: var(--cream);
  color: var(--ink);
  padding-top: clamp(40px, 6vw, 64px);
  padding-bottom: clamp(56px, 8vw, 96px);
}

.projects-intro {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: clamp(24px, 4vw, 40px);
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line-light);
}

.projects-intro .eyebrow {
  color: var(--ink);
}

.projects-intro a {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  display: inline-flex;
  gap: 8px;
  align-items: center;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 2px;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 2px;
  background: var(--line-light);
  border: 1px solid var(--line-light);
}

.project-tile {
  grid-column: span 3;
  background: var(--black);
  color: var(--paper);
  display: flex;
  flex-direction: column;
  min-height: 300px;
  cursor: pointer;
  border: none;
  text-align: left;
  padding: 0;
  font: inherit;
  position: relative;
  transition: background 0.15s ease;
}

.project-tile.size-narrow {
  grid-column: span 2;
}

.project-tile.size-feature {
  grid-column: span 6;
  min-height: 340px;
  flex-direction: row;
  background: var(--black-2);
}

.project-tile:hover {
  background: var(--black-2);
}

.project-tile.size-feature:hover {
  background: var(--black-3);
}

.tile-body {
  padding: 22px clamp(18px, 2.4vw, 28px) 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.project-tile.size-feature .tile-body {
  flex: 0 0 44%;
  justify-content: center;
}

.tile-number {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--accent);
  margin: 0 0 8px;
  line-height: 1;
}

.tile-tag {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cream-2);
  margin: 0 0 auto;
  padding-bottom: 14px;
}

.tile-title {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.1vw, 1.8rem);
  line-height: 1.02;
  letter-spacing: 0.01em;
  margin: 0;
  white-space: pre-line;
}

.tile-arrow {
  align-self: flex-start;
  margin-top: 16px;
  width: 30px;
  height: 30px;
  border: 1px solid var(--line-dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--paper);
  transition: background 0.15s ease, color 0.15s ease, transform 0.15s ease;
}

.project-tile:hover .tile-arrow {
  background: var(--accent);
  color: var(--accent-ink);
  transform: rotate(45deg);
}

.tile-media {
  flex: 1;
  min-height: 130px;
}

.project-tile.size-feature .tile-media {
  flex: 0 0 56%;
}

.tile-media .placeholder-media {
  height: 100%;
  aspect-ratio: auto;
  border: none;
  border-radius: 0;
}

/* Index list beside the feature tile */

.tile-index {
  grid-column: span 6;
  background: var(--cream);
  display: flex;
  justify-content: flex-end;
  padding-top: 18px;
}

.tile-index ul {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: rgba(23, 20, 15, 0.55);
}

.tile-index a {
  display: block;
  padding: 2px 0;
  border-bottom: 1px solid transparent;
}

.tile-index a:hover {
  color: var(--ink);
}

.tile-index li.is-current a {
  color: var(--ink);
  font-weight: 700;
  border-color: var(--accent);
}

@media (max-width: 860px) {
  .project-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .project-tile,
  .project-tile.size-narrow,
  .project-tile.size-feature {
    grid-column: span 2;
    flex-direction: column;
  }
  .project-tile.size-feature .tile-body,
  .project-tile.size-feature .tile-media {
    flex: 1;
  }
  .tile-index {
    grid-column: span 2;
  }
}

@media (max-width: 540px) {
  .project-grid {
    grid-template-columns: 1fr;
  }
  .project-tile,
  .project-tile.size-narrow {
    grid-column: span 1;
  }
  .tile-index {
    grid-column: span 1;
    justify-content: flex-start;
  }
}

/* ---------- Detail panel ---------- */

.detail-panel {
  grid-column: 1 / -1;
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--black);
  margin-top: 2px;
  display: none;
  padding: clamp(24px, 4vw, 44px) clamp(20px, 3vw, 40px);
}

.detail-panel.is-open {
  display: block;
}

.detail-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 20px;
}

.detail-heading .eyebrow {
  color: var(--accent);
  margin-bottom: 8px;
}

.detail-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  line-height: 1;
  margin: 0 0 6px;
  white-space: pre-line;
}

.detail-meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--cream-2);
  text-transform: uppercase;
}

.detail-close {
  flex: none;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--line-dark);
  background: transparent;
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.detail-close:hover {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
}

.detail-description {
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--cream-2);
  margin: 0 0 20px;
}

.detail-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 24px;
}

.detail-highlights li {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent-ink);
  background: var(--accent);
  padding: 7px 12px;
  border-radius: var(--radius);
}

.detail-quote {
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  padding: 18px 0;
  margin: 0 0 24px;
}

.detail-quote .eyebrow {
  color: var(--cream-2);
  margin-bottom: 8px;
  display: block;
}

.detail-quote p {
  margin: 0;
  font-style: italic;
  color: rgba(246, 242, 232, 0.55);
  font-size: 0.92rem;
}

.detail-related {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.detail-related .eyebrow {
  color: var(--cream-2);
  margin-right: 4px;
}

.detail-related a {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  color: var(--paper);
  border-bottom: 1px solid var(--line-dark);
  padding-bottom: 2px;
}

.detail-related a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* ---------- About / footer ---------- */

.site-footer {
  background: var(--black);
  color: var(--paper);
  padding-top: clamp(48px, 7vw, 88px);
  padding-bottom: 32px;
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(180px, 280px) 1fr auto;
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
  padding-bottom: clamp(40px, 6vw, 72px);
  border-bottom: 1px solid var(--line-dark);
}

.footer-photo .placeholder-media {
  aspect-ratio: 4 / 5;
}

.footer-about .eyebrow {
  color: var(--accent);
  margin-bottom: 14px;
  display: block;
}

.footer-about-body {
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--cream-2);
  max-width: 52ch;
  margin: 0 0 16px;
}

.footer-about-extra {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--cream-2);
  max-width: 56ch;
  margin: 0 0 16px;
  display: none;
}

.footer-about-extra.is-open {
  display: block;
}

.footer-about-cta {
  background: none;
  border: none;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  border-bottom: 1px solid var(--accent);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  min-width: 200px;
}

.footer-links a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 4px;
  border-bottom: 1px solid transparent;
}

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

.footer-links .icon {
  width: 16px;
  height: 16px;
  flex: none;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding-top: 24px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: var(--cream-2);
  flex-wrap: wrap;
}

.footer-bottom a:hover {
  color: var(--accent);
}

@media (max-width: 860px) {
  .footer-top {
    grid-template-columns: 1fr;
  }
  .footer-photo {
    max-width: 220px;
  }
}

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

.edu-hero {
  background: var(--black);
  color: var(--paper);
  padding-top: clamp(48px, 7vw, 88px);
  padding-bottom: clamp(40px, 6vw, 64px);
}

.edu-hero .eyebrow {
  color: var(--accent);
  margin-bottom: 16px;
  display: block;
}

.edu-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 6.5vw, 5.2rem);
  line-height: 0.92;
  margin: 0 0 24px;
  white-space: pre-line;
}

.edu-hero p {
  max-width: 56ch;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--cream-2);
  margin: 0;
}

.edu-timeline-section {
  background: var(--cream);
  padding-top: clamp(48px, 7vw, 80px);
  padding-bottom: clamp(56px, 8vw, 96px);
}

.timeline {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  padding-left: 32px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: var(--line-light);
}

.timeline-node {
  position: relative;
  padding-bottom: clamp(36px, 5vw, 56px);
}

.timeline-node:last-child {
  padding-bottom: 0;
}

.timeline-node::before {
  content: "";
  position: absolute;
  left: -32px;
  top: 6px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--cream);
  box-shadow: 0 0 0 1px var(--ink);
}

.timeline-node.is-muted::before {
  background: var(--cream);
  box-shadow: 0 0 0 1px rgba(23, 20, 15, 0.35);
}

.timeline-period {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 8px;
}

.timeline-node.is-muted .timeline-period,
.timeline-node.is-muted .timeline-title {
  color: rgba(23, 20, 15, 0.4);
}

.timeline-title {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.6vw, 1.9rem);
  line-height: 1.05;
  margin: 0 0 6px;
}

.timeline-place {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.02em;
  color: rgba(23, 20, 15, 0.6);
  margin: 0 0 10px;
}

.timeline-desc {
  font-size: 0.96rem;
  line-height: 1.65;
  max-width: 54ch;
  margin: 0;
}

.edu-research {
  background: var(--ink);
  color: var(--paper);
  padding-top: clamp(48px, 7vw, 80px);
  padding-bottom: clamp(56px, 8vw, 88px);
}

.edu-research-inner {
  max-width: 720px;
}

.edu-research .eyebrow {
  color: var(--accent);
  margin-bottom: 16px;
  display: block;
}

.edu-research h2 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1.02;
  margin: 0 0 20px;
}

.edu-research p {
  font-size: 1.02rem;
  line-height: 1.75;
  color: var(--cream-2);
  margin: 0;
}