/* ==========================================================
   Kiev Gonzales — scroll story portfolio
   Black and off-white, with teal (#4d95ae) as the only color.
   ========================================================== */

:root {
  --noir: #030303;
  --bone: #f4f4f2;
  --ash: #b4b4b0;
  --ash-deep: #7a7a76;
  --teal: #4d95ae;
  --line: rgba(244, 244, 242, 0.2);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --font-sans: "Archivo", ui-sans-serif, system-ui, sans-serif;
  --font-serif: "Instrument Serif", ui-serif, Georgia, serif;
  --gutter: clamp(1.25rem, 5vw, 4.5rem);
}

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  /* Hide the scrollbar; the page still scrolls with wheel, touch, and keys */
  scrollbar-width: none;
}
html::-webkit-scrollbar {
  display: none;
}

/* Stop the page scrolling behind the certificate preview */
html.has-dialog {
  overflow: hidden;
}

body {
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  background: var(--noir);
  color: var(--bone);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection {
  background: var(--teal);
  color: var(--noir);
}

a {
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.85em;
  color: var(--bone);
}

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

.skip {
  position: absolute;
  left: -9999px;
}
.skip:focus {
  left: 1rem;
  top: 1rem;
  z-index: 50;
  background: var(--bone);
  color: var(--noir);
  padding: 0.5rem 1rem;
  border-radius: 999px;
}

/* Film grain over the whole page */
body::after {
  content: "";
  position: fixed;
  inset: -50%;
  z-index: 40;
  pointer-events: none;
  opacity: 0.07;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 1 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain 1.2s steps(6) infinite;
}

@keyframes grain {
  0%   { transform: translate(0, 0); }
  20%  { transform: translate(-3%, 2%); }
  40%  { transform: translate(2%, -3%); }
  60%  { transform: translate(-2%, -1%); }
  80%  { transform: translate(3%, 3%); }
  100% { transform: translate(0, 0); }
}

/* ===== Type ===== */
.display {
  font-weight: 800;
  font-stretch: 125%;
  font-variation-settings: "wdth" 125;
  text-transform: uppercase;
  letter-spacing: -0.04em;
  line-height: 0.88;
}

.accent {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.01em;
  text-transform: none;
}

.kicker {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.reading {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
}

.text-ash { color: var(--ash); }
.text-bone { color: var(--bone); font-weight: 600; }

.headline {
  margin-top: 1.25rem;
  font-weight: 400;
  font-size: clamp(2.75rem, 5.4vw, 5.5rem);
  line-height: 0.92;
}
.headline .accent {
  white-space: nowrap;
  font-size: 1.1em;
  line-height: 0.92;
}
.headline--hero {
  font-size: clamp(3.25rem, 8vw, 8.25rem);
}
.headline--hero .display,
.headline--hero .accent {
  display: block;
}
.headline--hero .display {
  max-width: 7.5em;
}
.headline--word {
  font-size: clamp(3rem, 6.4vw, 6.5rem);
}

.lede {
  margin-top: 1.5rem;
  font-size: 1.125rem;
  line-height: 1.55;
  color: var(--ash);
  max-width: 34rem;
}

.tags {
  margin-top: 1.75rem;
  line-height: 2;
  color: var(--bone);
}

/* Scroll cue: a faint track with a bright line that draws down,
   then retracts from the top, on a loop */
.cue {
  position: relative;
  margin-top: 3.5rem;
  padding: 0.6rem 0 0.6rem 1rem;
  border-left: 1px solid var(--line);
}
.cue::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: -1px;
  width: 1px;
  background: var(--bone);
  transform-origin: top;
  animation: cue-line 2.2s var(--ease-out-expo) infinite;
}

@keyframes cue-line {
  0%   { transform: scaleY(0); transform-origin: top; }
  45%  { transform: scaleY(1); transform-origin: top; }
  55%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ===== Masthead ===== */
.masthead {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 20;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 1.5rem;
  padding: 1.5rem clamp(1.25rem, 4vw, 3.5rem);
  background: linear-gradient(rgba(3, 3, 3, 0.9) 45%, transparent);
}

.masthead__logo {
  font-size: 1.375rem;
  text-decoration: none;
  color: var(--bone);
}

.dot {
  color: var(--teal);
}

.masthead__nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 2rem;
}

.masthead__link {
  color: var(--bone);
  padding-block: 0.75rem;
  text-decoration: none;
  text-underline-offset: 0.35em;
}
.masthead__link:hover {
  text-decoration: underline;
}

/* ===== Buttons ===== */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  min-height: 2.75rem;
  padding-inline: 1.25rem;
  border-radius: 999px;
  background: var(--bone);
  color: var(--noir);
  text-decoration: none;
  transition: background-color 0.3s, color 0.3s, box-shadow 0.3s;
}
.pill:hover {
  background: var(--noir);
  color: var(--bone);
  box-shadow: inset 0 0 0 1.5px var(--bone);
}

.pill--social {
  justify-content: center;
  gap: 0.45rem;
  padding-inline: 1rem;
  font-size: 0.9375rem;
  font-weight: 600;
  white-space: nowrap;
}

.ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2.75rem;
  padding-inline: 1rem;
  border: 1px solid rgba(244, 244, 242, 0.45);
  border-radius: 999px;
  background: transparent;
  color: var(--bone);
  font-family: inherit;
  text-decoration: none;
  cursor: pointer;
  transition: border-color 0.3s, background-color 0.3s;
}
.ghost:hover {
  border-color: var(--bone);
  background: rgba(244, 244, 242, 0.06);
}

/* ===== Stage: the fixed 3D scene behind the story ===== */
.story {
  position: relative;
}

.stage {
  position: sticky;
  top: 0;
  z-index: -1;
  height: 100vh;
  height: 100svh;
  margin-bottom: -100vh;
  margin-bottom: -100svh;
  overflow: hidden;
  background:
    radial-gradient(42% 55% at 70% 45%, rgba(77, 149, 174, 0.12), transparent 70%),
    radial-gradient(120% 90% at 0% 100%, rgba(120, 120, 118, 0.42) 0%, rgba(40, 40, 40, 0.3) 38%, transparent 70%),
    var(--noir);
}

.stage__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  opacity: 0;
  transition: opacity 1.4s var(--ease-out-expo);
}
.story--live .stage__canvas {
  opacity: 1;
}

.stage__scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(3, 3, 3, 0.7) 0, transparent 8rem),
    linear-gradient(90deg, rgba(3, 3, 3, 0.82) 0%, rgba(3, 3, 3, 0.3) 38%, transparent 60%);
}

.stage__rail {
  position: absolute;
  top: 50%;
  inset-inline-end: clamp(1.25rem, 3vw, 2.75rem);
  transform: translateY(-50%);
  display: none;
  flex-direction: column;
  gap: 1.1rem;
  list-style: none;
}

.stage__dot {
  width: 0.5rem;
  height: 0.5rem;
  border: 1px solid var(--bone);
  border-radius: 999px;
  transition: background-color 0.4s, border-color 0.4s, transform 0.4s;
}
.stage__dot[data-active] {
  background: var(--bone);
  transform: scale(1.5);
}

.stage__notation {
  position: absolute;
  bottom: 1.75rem;
  inset-inline-end: clamp(1.25rem, 4vw, 3.5rem);
  display: none;
  color: var(--ash-deep);
}

@media (min-width: 48rem) {
  .stage__rail,
  .stage__notation {
    display: flex;
  }
}

/* ===== Chapters ===== */
.chapter {
  position: relative;
  min-height: 150vh;
  min-height: 150svh;
  padding-inline: var(--gutter);
}
.chapter--opening { min-height: 140svh; }
.chapter--long    { min-height: 170svh; }
.chapter--last    { min-height: 130svh; }

.chapter__copy {
  position: sticky;
  top: max(6rem, min(clamp(7rem, 26svh, 15rem), calc(100svh - var(--copy-h, 0px))));
  max-width: 35rem;
  padding-block: 2rem;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.6);
}
.chapter--opening .chapter__copy {
  top: max(6rem, min(clamp(7rem, 30svh, 17rem), calc(100svh - var(--copy-h, 0px))));
}
.chapter--long .chapter__copy {
  top: 6rem;
}
.chapter__copy--wide {
  max-width: 54rem;
}

/* Reveal: text fades up from a blur when its chapter becomes active.
   Only applied once JavaScript has added .story--3d, so the page still
   reads fine without JavaScript. */
.story--3d .chapter__copy {
  opacity: 0;
  filter: blur(8px);
  transform: translateY(2.5rem);
  transition:
    opacity 0.9s var(--ease-out-expo),
    transform 0.9s var(--ease-out-expo),
    filter 0.9s;
}
.story--3d .chapter[data-active] .chapter__copy,
.story--3d .chapter__copy:focus-within {
  opacity: 1;
  filter: none;
  transform: none;
}

/* ===== Record lists (projects + hackathons) ===== */
.record {
  margin-top: 2rem;
  list-style: none;
  border-top: 1px solid var(--line);
  text-shadow: none;
}

.record li {
  border-bottom: 1px solid var(--line);
}

.record summary {
  display: grid;
  grid-template-columns: 2.25rem 6.25rem minmax(0, 1fr) 1.25rem;
  align-items: baseline;
  gap: 0.75rem;
  padding-block: 0.7rem;
  cursor: pointer;
  list-style: none;
}
.record summary::-webkit-details-marker {
  display: none;
}
.record summary:hover .record__title strong {
  text-decoration: underline;
  text-underline-offset: 0.25em;
}

.record__num {
  font-size: 1.25rem;
  line-height: 1;
}

.record__meta {
  color: var(--ash);
  white-space: nowrap;
}

.record__title {
  font-size: 1rem;
  line-height: 1.375;
}
.record__title strong {
  font-weight: 700;
}

.record__toggle {
  position: relative;
  align-self: center;
  width: 0.75rem;
  height: 0.75rem;
  justify-self: end;
}
.record__toggle::before,
.record__toggle::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 1.5px;
  background: var(--ash);
  transition: transform 0.4s var(--ease-out-expo);
}
.record__toggle::after {
  transform: rotate(90deg);
}
.record details[open] .record__toggle::after {
  transform: rotate(0deg);
}

.record__body {
  padding: 0 0 1.25rem calc(2.25rem + 0.75rem);
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--ash);
  animation: body-in 0.6s var(--ease-out-expo);
}
.record__body > * + * {
  margin-top: 0.75rem;
}
.record__body .tags {
  margin-top: 1rem;
  font-size: 0.75rem;
  line-height: 1.8;
}

.record__project {
  color: var(--bone);
}

.record__note {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1rem;
}

.record__quote {
  margin: 1rem 0 0;
  padding-left: 1rem;
  border-left: 2px solid var(--teal);
}
.record__quote p {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.1rem;
  line-height: 1.45;
  color: var(--bone);
}
.record__quote footer {
  margin-top: 0.5rem;
  font-size: 0.8rem;
}

.record__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding-top: 0.25rem;
}
.record__links .ghost {
  min-height: 2.5rem;
  font-size: 0.75rem;
}

@keyframes body-in {
  from { opacity: 0; transform: translateY(-0.5rem); }
  to   { opacity: 1; transform: none; }
}

/* ===== Contact ===== */
.mail {
  display: inline-block;
  margin-top: 2rem;
  padding-bottom: 0.3rem;
  font-size: clamp(1.375rem, 2.6vw, 2.375rem);
  font-stretch: 100%;
  font-variation-settings: "wdth" 100;
  letter-spacing: -0.02em;
  text-transform: none;
  text-decoration: none;
  overflow-wrap: anywhere;
  color: var(--bone);
  background: linear-gradient(var(--teal), var(--teal)) left bottom / 0% 2px no-repeat;
  transition: background-size 0.8s var(--ease-out-expo);
}
.mail:hover {
  background-size: 100% 2px;
}

.contact__actions {
  margin-top: 1rem;
}

.contact__social {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

/* ===== Certificate preview ===== */
.cert {
  margin: auto;
  /* Never wider than what fits on screen at the certificate's aspect ratio
     (about 1.41:1, below a ~4rem title bar) */
  width: min(64rem, calc(100vw - 2rem), calc((100dvh - 6.5rem) * 1.41));
  max-width: none;
  max-height: calc(100dvh - 2rem);
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--noir);
  color: var(--bone);
  overflow: hidden;
}
.cert[open] {
  display: flex;
  flex-direction: column;
  animation: cert-in 0.45s var(--ease-out-expo);
}
.cert::backdrop {
  background: rgba(3, 3, 3, 0.8);
  backdrop-filter: blur(6px);
}

.cert__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0.75rem 0.75rem 1.25rem;
  border-bottom: 1px solid var(--line);
}
.cert__title {
  font-size: 0.75rem;
  color: var(--ash);
}
.cert__actions {
  display: flex;
  flex-shrink: 0;
  gap: 0.5rem;
}
.cert__actions .ghost {
  min-height: 2.5rem;
  font-size: 0.75rem;
}
.cert__close {
  width: 2.5rem;
  justify-content: center;
  padding: 0;
  font-size: 1rem;
}

.cert__img {
  display: block;
  width: 100%;
  height: auto;
  min-height: 0;
  object-fit: contain;
  background: var(--bone);
}

@keyframes cert-in {
  from { opacity: 0; transform: translateY(1rem) scale(0.98); }
  to   { opacity: 1; transform: none; }
}

/* ===== Footer ===== */
.footer {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem 2rem;
  padding: clamp(3rem, 6vw, 5rem) var(--gutter);
  background: var(--bone);
  color: var(--noir);
}

.footer__mark {
  font-size: clamp(4rem, 13vw, 12rem);
}

.footer__meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.5rem;
}

.footer__top {
  padding-block: 0.75rem;
  text-decoration: none;
}
.footer__top:hover {
  text-decoration: underline;
  text-underline-offset: 0.35em;
}

/* ===== Mobile (below 768px) ===== */
@media (max-width: 47.99rem) {
  .kicker {
    font-size: 0.8125rem;
    letter-spacing: 0.13em;
  }

  .masthead {
    flex-wrap: nowrap;
    padding: 1.25rem;
    background: linear-gradient(rgba(3, 3, 3, 0.85) 40%, transparent);
  }
  .masthead__link {
    display: none;
  }

  .pill,
  .ghost {
    min-height: 2.5rem;
    gap: 0.5rem;
    padding-inline: 1rem;
  }

  .lede {
    font-size: 1rem;
  }

  /* The 3D scene stays on top; text is pinned to the bottom of the screen */
  .chapter {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
  }

  .chapter__copy,
  .chapter--opening .chapter__copy,
  .chapter--long .chapter__copy {
    top: auto;
    bottom: 0;
    margin-inline: -1.25rem;
    padding: 3rem 1.25rem calc(2rem + env(safe-area-inset-bottom));
    background: linear-gradient(transparent, rgba(3, 3, 3, 0.82) 3rem);
  }

  /* Long lists scroll normally on phones so nothing gets cut off */
  .chapter--long {
    min-height: auto;
    padding-top: 55svh;
  }
  .chapter--long .chapter__copy {
    position: relative;
    background: linear-gradient(transparent, rgba(3, 3, 3, 0.9) 3rem);
  }

  .cue {
    margin-top: 2rem;
  }

  .cert {
    width: calc(100vw - 1.5rem);
    border-radius: 0.75rem;
  }
  .cert__bar {
    padding: 0.5rem 0.5rem 0.5rem 1rem;
  }
  .cert__title {
    font-size: 0.6875rem;
    letter-spacing: 0.1em;
  }

  .record summary {
    grid-template-columns: 1.75rem 4.75rem minmax(0, 1fr) 1rem;
    gap: 0.6rem;
  }
  .record__body {
    padding-left: 0;
  }

  .contact__social .pill--social {
    flex: 1 1 0;
  }

  .footer {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer__meta {
    align-items: flex-start;
  }
}

/* ===== Reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  body::after {
    animation: none;
  }
  .story--3d .chapter__copy {
    filter: none;
    transform: none;
    transition: opacity 0.2s;
  }
  .record__body {
    animation: none;
  }
  .cue::before {
    animation: none;
    transform: none;
  }
  .cert[open] {
    animation: none;
  }
}