/* Portfolio homepage — dark cinematic layout */

@import url("typography.css");

:root {
  --bg: #000000;
  --text: #ffffff;
  --text-muted: rgba(255, 255, 255, 0.88);
  --accent: #c9a227;
  --nav-size: clamp(4.5rem, 10vw, 7.5rem);
  --hero-radius: 12px;
  --nav-radius: 14px;
  --transition-nav: 0.55s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fade: 0.65s ease;
  --transition-fly: 1.15s cubic-bezier(0.22, 1, 0.36, 1);
  --gutter: clamp(1rem, 4vw, 3.5rem);
  --central-max: min(52rem, 92vw);
}

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

html {
  scroll-behavior: smooth;
}

body.portfolio-page {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 300;
  overflow-x: hidden;
}

body.portfolio-page.is-transitioning {
  overflow: hidden;
}

.portfolio-home {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1.25rem, 3vh, 2.5rem) var(--gutter);
}

.portfolio-home__container {
  max-width: 1400px;
  width: 100%;
}

.portfolio-home__row {
  --bs-gutter-x: 0;
  gap: clamp(1.5rem, 4vw, 3rem);
}

@media (min-width: 992px) {
  .portfolio-home__row {
    display: grid;
    grid-template-columns: minmax(auto, 1fr) minmax(0, var(--central-max)) minmax(auto, 1fr);
    align-items: center;
    justify-items: center;
    column-gap: clamp(2rem, 5vw, 4.5rem);
    width: 100%;
  }

  .nav-col--left {
    justify-self: end;
  }

  .nav-col--right {
    justify-self: start;
  }

  .central-col {
    justify-self: center;
    width: 100%;
  }
}

/* —— Side navigation columns —— */

.nav-col {
  flex: 0 0 auto;
  display: flex;
  justify-content: center;
  z-index: 2;
}

.nav-col--left {
  order: 1;
}

.central-col {
  order: 2;
  flex: 1 1 auto;
  max-width: var(--central-max);
  z-index: 3;
}

.nav-col--right {
  order: 3;
}

.nav-stack {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(1rem, 2.5vh, 1.75rem);
}

.nav-btn {
  display: block;
  text-decoration: none;
  color: inherit;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.nav-btn__frame {
  position: relative;
  display: block;
  width: var(--nav-size);
  height: var(--nav-size);
  border-radius: var(--nav-radius);
  overflow: visible;
}

.nav-btn__img {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: var(--nav-radius);
  object-fit: cover;
  object-position: center;
  filter: grayscale(100%);
  transition: filter var(--transition-nav), transform var(--transition-nav);
  will-change: filter, transform;
}

.nav-btn__label {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) scale(0.88);
  z-index: 4;
  font-size: clamp(2.25rem, 5.5vw, 3.75rem);
  line-height: 1.1;
  text-align: center;
  text-transform: none;
  white-space: nowrap;
  color: #fff;
  text-shadow:
    0 2px 24px rgba(0, 0, 0, 0.85),
    0 0 40px rgba(0, 0, 0, 0.6);
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-nav), transform var(--transition-nav);
  min-width: max-content;
  padding: 0 0.15em;
}

/* Desktop hover only */
@media (hover: hover) and (pointer: fine) {
  .nav-btn:hover .nav-btn__img,
  .nav-btn:focus-visible .nav-btn__img {
    filter: grayscale(0%);
    transform: scale(1.03);
  }

  .nav-btn:hover .nav-btn__label,
  .nav-btn:focus-visible .nav-btn__label {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.08);
  }

  .nav-btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 4px;
    border-radius: var(--nav-radius);
  }
}

/* Mobile: no hover overlay; larger tap targets */
@media (hover: none), (pointer: coarse) {
  .nav-btn__label {
    display: none;
  }

  .nav-btn:active .nav-btn__img {
    filter: grayscale(0%);
    transform: scale(0.98);
  }
}

/* —— Central column —— */

.central-col__inner {
  text-align: center;
  margin-inline: auto;
}

.hero-figure {
  margin: 0 0 clamp(1.25rem, 3vh, 2rem);

  display:flex;
  justify-content:center;
  align-items:center;

  overflow: visible;

  box-shadow:none;

  background:none;
}

.hero-figure__img {

  display:block;

  width:auto;
  max-width:100%;

  height:auto;
  max-height:320px;

  object-fit:contain;

  border-radius:0;
}

.welcome-title {
  margin: 0 0 0.65rem;
  font-size: clamp(2.5rem, 8vw, 4rem);
  text-transform: none;
}

.welcome-divider {
  width: 2.5rem;
  height: 2px;
  margin: 0 auto 1.35rem;
  background: var(--accent);
  border-radius: 1px;
}

.welcome-text {
  max-width: 36rem;
  margin-inline: auto;
  font-family: var(--font-body);
  font-size: clamp(0.9rem, 1.8vw, 1rem);
  line-height: 1.75;
  color: var(--text-muted);
}

.welcome-text p {
  margin: 0 0 1rem;
}

.welcome-text p:last-child {
  margin-bottom: 0;
}

/* —— Fade-out during cinematic transition —— */

.fade-on-click {
  transition: opacity var(--transition-fade), visibility var(--transition-fade);
}

body.is-transitioning .fade-on-click {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

body.is-transitioning .nav-btn.is-flying {
  opacity: 1;
  visibility: visible;
  pointer-events: none;
  z-index: 9999;
}

.nav-btn.is-flying {
  position: fixed;
  margin: 0;
  z-index: 9999;
  transition:
    top var(--transition-fly),
    left var(--transition-fly),
    width var(--transition-fly),
    height var(--transition-fly);
}

.nav-btn.is-flying .nav-btn__frame {
  width: 100%;
  height: 100%;
}

.nav-btn.is-flying .nav-btn__img {
  filter: grayscale(0%);
  transform: none;
}

.nav-btn.is-flying .nav-btn__label {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
  font-size: clamp(2rem, 6vw, 3.5rem);
}

/* —— Tablet / mobile layout —— */

@media (max-width: 991.98px) {
  .portfolio-home__row {
    display: flex;
    flex-direction: column;
    align-items: stretch;
  }

  .nav-col--left,
  .nav-col--right {
    order: unset;
    width: 100%;
  }

  .nav-col--left {
    order: 1;
  }

  .central-col {
    order: 2;
    max-width: 100%;
  }

  .nav-col--right {
    order: 3;
  }

  .nav-stack {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: clamp(0.75rem, 3vw, 1.25rem);
  }

  :root {
    --nav-size: clamp(4.25rem, 22vw, 5.5rem);
  }
}

@media (max-width: 575.98px) {
  .portfolio-home {
    padding-block: 1rem;
  }

  .hero-figure__img {
    aspect-ratio: 16 / 10;
  }

  .welcome-text {
    font-size: 0.9rem;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  :root {
    --transition-nav: 0.01ms;
    --transition-fade: 0.01ms;
    --transition-fly: 0.01ms;
  }

  html {
    scroll-behavior: auto;
  }

  .nav-btn__img,
  .nav-btn__label,
  .fade-on-click,
  .nav-btn.is-flying {
    transition: none;
  }
}