/* ==========================================================================
   Portfolio — Styles
   Cinematic Entry · Editorial Site · Restrained Motion
   ========================================================================== */

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

/* ==========================================================================
   Base
   ========================================================================== */
html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  color: var(--text);
  background-color: var(--bg);
  line-height: 1.6;
  min-height: 100vh;
  overflow: hidden;
}

body.entered {
  overflow-y: auto;
}

::selection {
  background: rgba(120, 140, 180, 0.25);
}

/* ==========================================================================
   STATE 1 — CINEMATIC ENTRY
   ========================================================================== */
#entry-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #000000;
  transition: opacity 0.8s ease;
}

/* #entry-overlay.dimming {
  filter: brightness(0.85); 
} */

#entry-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

/* Three.js canvas fills the entry */
#entry-overlay canvas {
  position: absolute;
  inset: 0;
  width: 100% !important;
  height: 100% !important;
  display: block;
}

/* Dim overlay that activates during transition */
#entry-overlay::after {
  content: '';
  position: absolute;
  inset: 0;
  /* background: #060608; */
  /* opacity: 0; */
  transition: opacity 0.4s ease;
  pointer-events: none;
  z-index: 1;
}

/* #entry-overlay.dimming::after {
  opacity: 0.35; 
} */

/* Entry content */
#enter-button {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font), sans-serif;
  font-size: 0.9rem;
  letter-spacing: 0.35rem;
  color: rgba(255, 255, 255, 0.75);
  cursor: pointer;
  z-index: 2;
  transition: opacity 0.3s ease, letter-spacing 0.3s ease;
  text-shadow:
    0 0 6px rgba(255, 255, 255, 0.3),
    0 0 12px rgba(255, 255, 255, 0.15);
}

#enter-button.faded {
  opacity: 0;
}

#enter-button:hover {
  opacity: 1.0;
  letter-spacing: 0.45rem;
}

/* ==========================================================================
   Site Background (CSS only — no WebGL)
   Deep gradient + faint star texture
   ========================================================================== */
#main-site::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(16, 20, 40, 0.5) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 70%, rgba(12, 16, 34, 0.4) 0%, transparent 55%),
    var(--bg);
  transition: background 0.2s ease;
}

#main-site::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -2;
  opacity: var(--star-opacity);
  background-image:
    radial-gradient(0.8px 0.8px at 10% 15%, #fff 0%, transparent 100%),
    radial-gradient(0.8px 0.8px at 18% 52%, #fff 0%, transparent 100%),
    radial-gradient(0.6px 0.6px at 25% 80%, #fff 0%, transparent 100%),
    radial-gradient(0.8px 0.8px at 38% 28%, #fff 0%, transparent 100%),
    radial-gradient(0.6px 0.6px at 45% 65%, #fff 0%, transparent 100%),
    radial-gradient(0.8px 0.8px at 58% 12%, #fff 0%, transparent 100%),
    radial-gradient(0.6px 0.6px at 65% 88%, #fff 0%, transparent 100%),
    radial-gradient(0.8px 0.8px at 72% 42%, #fff 0%, transparent 100%),
    radial-gradient(0.6px 0.6px at 80% 70%, #fff 0%, transparent 100%),
    radial-gradient(0.8px 0.8px at 90% 22%, #fff 0%, transparent 100%),
    radial-gradient(0.6px 0.6px at 5% 60%, #fff 0%, transparent 100%),
    radial-gradient(0.6px 0.6px at 50% 95%, #fff 0%, transparent 100%);
}

/* ==========================================================================
   STATE 2 — MAIN SITE
   ========================================================================== */
#main-site {
  opacity: 0;
  pointer-events: none;
}

#main-site.hidden {
  display: none;
}

#main-site.visible {
  opacity: 1;
  pointer-events: auto;
}

/* ==========================================================================
   Header
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1.5rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 50;
  background: linear-gradient(to bottom, var(--bg) 60%, transparent 100%);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-20px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.header__name {
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--text);
  font-family: var(--mono);
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.header__link {
  font-size: 0.78rem;
  font-weight: 300;
  letter-spacing: 0.04em;
  color: var(--muted);
  text-decoration: none;
  text-transform: uppercase;
}

.header__link:hover {
  color: var(--text);
}

/* Mobile hamburger */
.header__menu {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.header__menu span {
  display: block;
  width: 20px;
  height: 1px;
  background: var(--text);
  margin: 5px 0;
}

/* ==========================================================================
   Mobile Menu Overlay
   ========================================================================== */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--menu-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.mobile-menu.open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu__link {
  font-size: 1.15rem;
  font-weight: 300;
  letter-spacing: 0.06em;
  color: var(--text);
  text-decoration: none;
  text-transform: uppercase;
}

.mobile-menu__link:hover {
  opacity: 0.7;
}

.mobile-menu__close {
  position: absolute;
  top: 1.5rem;
  right: 2rem;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
}

/* ==========================================================================
   Main Content
   ========================================================================== */
main {
  padding: 0 2.5rem;
  max-width: 720px;
  margin: 0 auto;
}

.section-label {
  font-size: 0.68rem;
  font-weight: 400;
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 2rem;
}

/* ==========================================================================
   Identity Drift
   ========================================================================== */
.identity-drift {
  height: 250vh;
  position: relative;
  z-index: 10;
}

.identity-drift__sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-color: transparent;
}

/* Layer 1: Nebula */
.identity-drift__nebula {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 150vmax;
  height: 150vmax;
  transform: translate(-50%, -50%) scale(1);
  background: radial-gradient(circle at center, rgba(30, 42, 65, 0.35) 0%, rgba(15, 20, 35, 0.1) 35%, transparent 60%);
  opacity: 1;
  pointer-events: none;
  z-index: 1;
  will-change: transform, opacity;
  border-radius: 50%;
  filter: blur(40px);
}

/* Layer 2: Subtle star drift */
.identity-drift__stars {
  position: absolute;
  inset: -20%;
  background-image:
    radial-gradient(1.2px 1.2px at 20% 30%, rgba(255, 255, 255, 0.7) 0%, transparent 100%),
    radial-gradient(1px 1px at 70% 60%, rgba(255, 255, 255, 0.5) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 40% 80%, rgba(255, 255, 255, 0.6) 0%, transparent 100%),
    radial-gradient(1px 1px at 80% 20%, rgba(255, 255, 255, 0.3) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 10% 90%, rgba(255, 255, 255, 0.4) 0%, transparent 100%);
  background-size: 250px 250px;
  opacity: 0.2;
  pointer-events: none;
  z-index: 2;
  will-change: transform;
}

/* Layer 3: Text */
.identity-drift__text {
  position: relative;
  z-index: 3;
  text-align: center;
  will-change: opacity, transform;
  padding: 0 2rem;
}

.identity-drift__name {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
  letter-spacing: 0.15em;
  margin-bottom: 0.8rem;
  color: var(--text);
}

.identity-drift__sub {
  font-size: clamp(0.85rem, 1.1vw, 1rem);
  font-weight: 300;
  color: var(--muted);
  line-height: 1.6;
  letter-spacing: 0.05em;
}

/* ==========================================================================
   Projects — Editorial List
   ========================================================================== */
.projects {
  padding-bottom: 2rem;
}

.project-list {
  list-style: none;
}

.project-list__item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}

.project-list__item:first-child {
  border-top: 1px solid var(--border);
}

.project-list__item:hover {
  padding-left: 3px;
}

.project-list__name {
  font-size: 1rem;
  font-weight: 400;
}

.project-list__year {
  font-size: 0.78rem;
  font-weight: 300;
  color: var(--muted);
  font-family: var(--mono);
  letter-spacing: 0.02em;
}

/* ==========================================================================
   About
   ========================================================================== */
.about {
  padding: 5rem 0 2rem;
}

.about__text {
  font-size: 1rem;
  line-height: 1.85;
  max-width: 580px;
}

.about__text p {
  margin-bottom: 1.5rem;
}

/* ==========================================================================
   Contact
   ========================================================================== */
.contact {
  padding: 5rem 0 2rem;
}

.contact__list {
  list-style: none;
}

.contact__list li {
  margin-bottom: 0.75rem;
}

.contact__link {
  font-size: 0.95rem;
  color: var(--muted);
  text-decoration: none;
}

.contact__link:hover {
  color: var(--text);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  padding: 4rem 2rem 2rem;
  text-align: center;
  font-size: 0.72rem;
  color: var(--muted);
}

/* ==========================================================================
   Scroll Reveal
   Opacity + subtle upward motion (30px). Rewinds on scroll-up.
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger project rows */
.project-list__item.reveal.revealed:nth-child(2) {
  transition-delay: 0.07s;
}

.project-list__item.reveal.revealed:nth-child(3) {
  transition-delay: 0.14s;
}

.project-list__item.reveal.revealed:nth-child(4) {
  transition-delay: 0.21s;
}

.project-list__item.reveal.revealed:nth-child(5) {
  transition-delay: 0.28s;
}

/* Remove stagger on rewind */
.project-list__item.reveal:not(.revealed) {
  transition-delay: 0s;
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 768px) {
  .header__nav {
    display: none;
  }

  .header__menu {
    display: block;
  }

  .header {
    padding: 1rem 1.5rem;
  }

  main {
    padding: 0 1.5rem;
  }

  .identity-drift__name {
    font-size: 1.75rem;
  }
}