*, *::before, *::after { box-sizing: border-box; }
/* Theme variables live in theme.css so the home page and project pages stay in sync. */

/* Shared visual sizing so About and Projects align */
:root { --section-visual-size: clamp(160px, 34vw, 320px); }
/* Extra width for About text that grows to the left (not right) — keep subtle */
:root { --about-text-extra: clamp(12px, 2.5vw, 28px); }

/* Base */
html, body { height: 100%; overflow: hidden; }
html, body { scroll-behavior: smooth; }
body { overscroll-behavior-y: contain; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* Full viewport hero */
.hero {
  height: 100svh; /* lock to viewport height */
  display: grid;
  place-items: center;
  padding: 0 6vw; /* remove vertical padding to avoid scroll */
}

.stack {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(20px, 3.5vh, 40px);
  text-align: center;
  width: min(1100px, 100%);
}

/* Name */
.hero__title {
  margin: 0;
  font-weight: 800;
  letter-spacing: 0.02em;
  line-height: 1.05;
  font-size: clamp(2.5rem, 9vw, 6rem);
  opacity: 0;
  transform: translateY(14px);
  animation:
    titleFade 8000ms var(--timing) 400ms forwards,
    heroGradient 7s ease-in-out 0s infinite;
  position: relative;
  padding-bottom: clamp(8px, 1.8vh, 16px);
  color: var(--fg);
  text-shadow:
    0 16px 32px rgba(0, 0, 0, 0.32),
    0 0 18px color-mix(in srgb, var(--fg) 22%, var(--theme-accent) 10%);
}

@keyframes titleFade {
  to { opacity: 1; transform: none; }
}

@supports (-webkit-background-clip: text) or (background-clip: text) {
  .hero__title {
    background-image: linear-gradient(
      120deg,
      color-mix(in srgb, var(--fg) 94%, #ffffff 6%) 0%,
      color-mix(in srgb, var(--fg) 90%, var(--theme-accent) 10%) 35%,
      color-mix(in srgb, var(--fg) 88%, var(--theme-accent) 12%) 55%,
      color-mix(in srgb, var(--fg) 96%, #ffffff 4%) 100%
    );
    background-size: 220% auto;
    background-position: 0% 50%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
  }
}

.hero__title::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translate(-50%, 18px);
  width: clamp(160px, 46vw, 360px);
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    transparent,
    color-mix(in srgb, var(--fg) 82%, var(--theme-accent) 18%),
    color-mix(in srgb, var(--fg) 78%, var(--theme-accent-alt) 22%),
    transparent
  );
  opacity: 0;
  filter: drop-shadow(0 0 16px color-mix(in srgb, var(--fg) 55%, var(--theme-accent) 45%));
  animation:
    heroUnderlinePulse 3200ms ease-in-out 2000ms infinite alternate;
}

@keyframes heroGradient {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes heroUnderlineReveal {
  0%   { opacity: 0; transform: translate(-50%, 28px) scaleX(0.65); }
  100% { opacity: 1; transform: translate(-50%, 18px) scaleX(1); }
}

@keyframes heroUnderlinePulse {
  0%   { transform: translate(-50%, 18px) scaleX(1); }
  50%  { transform: translate(-50%, 16px) scaleX(1.05); }
  100% { transform: translate(-50%, 20px) scaleX(0.98); }
}

/* Actions */
.actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

.actions a {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: 9999px;
  border: 1px solid color-mix(in srgb, var(--border) 70%, var(--theme-accent) 30%);
  color: var(--fg);
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.04em;
  isolation: isolate;
  /* refreshed glassmorphism */
  background:
    linear-gradient(
      135deg,
      color-mix(in srgb, var(--fg) 6%, transparent) 0%,
      color-mix(in srgb, var(--theme-accent) 18%, transparent) 45%,
      color-mix(in srgb, var(--theme-accent-alt) 22%, transparent) 100%
    );
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  backdrop-filter: blur(16px) saturate(180%);
  box-shadow:
    0 18px 40px color-mix(in srgb, var(--shadow) 80%, transparent),
    inset 0 1px 0 color-mix(in srgb, #ffffff 55%, transparent),
    inset 0 -6px 16px color-mix(in srgb, var(--theme-accent) 20%, transparent);
  transform: translateY(10px) scale(0.985);
  opacity: 0;
  transition:
    opacity 600ms ease,
    transform 600ms var(--timing),
    border-color 240ms ease,
    box-shadow 300ms ease,
    background 320ms ease;
  transition-delay: calc(120ms + (var(--i, 0) * 140ms));
  overflow: hidden;
}

/* Slight moving sheen to avoid static feel */
.actions a::before {
  content: "";
  position: absolute;
  inset: -1px;
  z-index: 2;
  border-radius: inherit;
  background: linear-gradient(120deg, transparent 0%, var(--sheen-linear) 15%, transparent 100%);
  transform: translateX(-120%);
  animation: sheen 5.5s ease-in-out infinite;
  pointer-events: none;
  mix-blend-mode: color-burn; /* prevent over-brightening */
  opacity: 0.35;
}

.actions a::after {
  content: "";
  position: absolute;
  inset: 2px;
  border-radius: inherit;
  z-index: 1;
  background: linear-gradient(
    160deg,
    color-mix(in srgb, var(--surface) 20%, transparent) 0%,
    color-mix(in srgb, var(--sheen-radial) 50%, transparent) 55%,
    color-mix(in srgb, var(--theme-accent) 20%, transparent) 100%
  );
  opacity: 0.6;
}
@keyframes sheen {
  0% { transform: translateX(-120%); }
  50% { transform: translateX(0%); }
  100% { transform: translateX(120%); }
}

@keyframes mutedBreath {
  0%, 100% {
    color: color-mix(in srgb, var(--muted) 96%, var(--fg) 4%);
  }
  50% {
    color: color-mix(in srgb, var(--muted) 88%, var(--fg) 12%);
  }
}

.actions a:hover {
  border-color: color-mix(in srgb, var(--border-hover) 60%, var(--theme-accent-alt) 40%);
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--fg) 10%, transparent) 0%,
    color-mix(in srgb, var(--theme-accent) 24%, transparent) 42%,
    color-mix(in srgb, var(--theme-accent-alt) 34%, transparent) 100%
  );
  box-shadow:
    0 20px 44px color-mix(in srgb, var(--shadow) 90%, transparent),
    inset 0 1px 0 color-mix(in srgb, #ffffff 65%, transparent),
    inset 0 -6px 20px color-mix(in srgb, var(--theme-accent) 30%, transparent);
  transform: translateY(6px) scale(0.995);
}
.actions a:active {
  transform: translateY(8px) scale(0.992);
  box-shadow:
    0 8px 22px color-mix(in srgb, var(--shadow) 75%, transparent),
    inset 0 1px 0 color-mix(in srgb, #ffffff 55%, transparent),
    inset 0 -4px 12px color-mix(in srgb, var(--theme-accent) 34%, transparent);
}
.actions a:focus-visible {
  outline: 2px solid var(--fg);
  outline-offset: 2px;
}

/* Reveal after title completes */
.actions--visible a {
  opacity: 1;
  transform: none;
}

/* Subtle subtext */
.subtext {
  color: var(--muted);
  font-size: clamp(0.95rem, 1.8vw, 1.1rem);
  max-width: 70ch;
  margin-top: -4px;
  opacity: 0; /* hidden until typing starts */
  animation: mutedBreath 7800ms ease-in-out infinite;
  text-shadow: 0 10px 26px color-mix(in srgb, var(--bg) 55%, transparent);
}
.subtext.subtext--typing::after {
  content: "";
  display: inline-block;
  width: 1px;
  height: 1em;
  margin-left: 3px;
  background: currentColor;
  opacity: 0.7;
  animation: caretBlink 1s steps(1, end) infinite;
  vertical-align: -2px;
}
@keyframes caretBlink { 0%, 100% { opacity: 0.7; } 50% { opacity: 0.0; } }
.letter, .rest { display: inline-block; }

/* Transition control: pause hover/sheens and disable clicks during view changes */
body.transitioning .actions a { pointer-events: none; }
body.transitioning .actions a:hover {
  transform: none !important;
  background: var(--surface) !important;
  border-color: var(--border) !important;
}
.actions a.no-sheen::before { animation: none !important; }

/* Header state (removed; actions no longer move into header) */

/* Overlay sections */
.section { position: relative; min-height: 100svh; display: grid; place-items: center; pointer-events: auto; }
/* Centered titles placed just above their content */
.section-title {
  margin: 0 0 20px 0; /* 20px above the grid below (raised by 10px) */
  text-align: center;
  font-weight: 800;
  letter-spacing: 0.02em;
  font-size: clamp(1.4rem, 3.5vw, 2rem);
  color: var(--fg);
  justify-self: center;
  position: relative;
  display: inline-block;
  animation: sectionTitleGlow 6400ms ease-in-out infinite;
  text-shadow: 0 10px 18px color-mix(in srgb, var(--shadow) 80%, transparent);
}

@supports (-webkit-background-clip: text) or (background-clip: text) {
  .section-title {
    background-image: linear-gradient(
      110deg,
      color-mix(in srgb, var(--fg) 90%, transparent) 0%,
      color-mix(in srgb, var(--fg) 82%, var(--theme-accent) 18%) 46%,
      color-mix(in srgb, var(--fg) 94%, transparent) 100%
    );
    background-size: 180% 100%;
    background-position: 0% 50%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
  }
}

@keyframes sectionTitleGlow {
  0%, 100% {
    text-shadow: 0 8px 16px color-mix(in srgb, var(--shadow) 55%, transparent);
    background-position: 0% 50%;
  }
  50% {
    text-shadow: 0 12px 22px color-mix(in srgb, var(--shadow) 70%, transparent);
    background-position: 100% 50%;
  }
}

/* Shared container to align title + content consistently across sections */
.section-inner {
  width: min(900px, 90vw); /* bring edges closer to center */
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(18px, 3vw, 28px);
}

/* Deck-based slider */
#viewport { height: 100svh; overflow: hidden; position: relative; }
#deck { position: relative; will-change: transform; }

/* About layout without a container card */
.about-pane {
  padding: clamp(88px, 14vh, 120px) 6vw 6vh; /* top space for header */
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
/* About layout: text left, circular photo right */
.about-grid {
  width: min(100%, clamp(620px, 78vw, 860px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, clamp(260px, 38vw, 430px)) minmax(0, var(--section-visual-size));
  gap: clamp(18px, 3vw, 28px); /* tighter spacing between text and photo */
  align-items: stretch;        /* stretch rows so columns share height */
  justify-content: center;    /* keep columns centered within the container */
  min-height: var(--section-visual-size);
}
.about-text {
  width: 100%;
  max-width: clamp(260px, 38vw, 430px);
  justify-self: stretch;
  align-self: stretch;
  transform: none;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: var(--section-visual-size);
}
.about-text p {
  color: var(--muted);
  line-height: 1.7;
  margin: 0;
  animation: mutedBreath 8400ms ease-in-out infinite;
  animation-delay: 220ms;
  text-shadow: 0 14px 32px color-mix(in srgb, var(--bg) 60%, transparent);
}
.about-text__cta { color: var(--fg); font-weight: 600; line-height: 1.55; margin-top: clamp(12px, 2vw, 18px); }
.about-photo {
  width: 100%;
  max-width: var(--section-visual-size);
  aspect-ratio: 1 / 1;
  border-radius: 9999px;
  object-fit: cover;
  object-position: center;
  border: 2px solid var(--theme-text);
  box-shadow: 0 10px 24px var(--shadow);
  justify-self: center;
}
@media (max-width: 860px) {
  .about-grid { grid-template-columns: 1fr; align-items: center; }
  .about-text {
    width: min(700px, 92vw);
    max-width: none;
    transform: none;
    justify-self: center;
    min-height: auto;
    justify-content: center;
  }
  .about-text__cta { margin-top: 12px; }
  .about-photo { width: clamp(160px, 46vw, 260px); max-width: none; }
}

/* Projects layout */
.projects-pane { padding: clamp(88px, 14vh, 120px) 6vw 6vh; min-height: 100svh; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.projects-grid {
  width: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, minmax(260px, 340px));
  justify-content: center; /* center narrower tiles */
  gap: clamp(14px, 3vw, 28px);
  align-items: stretch;
  min-height: var(--section-visual-size);
}
@media (max-width: 720px) { .projects-grid { grid-template-columns: 1fr; } }

.project-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-start; /* title at the top of the tile */
  min-height: 220px;
  padding: clamp(18px, 3vw, 28px);
  border-radius: 16px;
  border: 1px solid var(--border);
  color: var(--fg);
  text-decoration: none;
  background: var(--surface);
  -webkit-backdrop-filter: blur(10px) saturate(150%);
  backdrop-filter: blur(10px) saturate(150%);
  box-shadow: 0 14px 28px var(--shadow), inset 0 1px 0 var(--inner-highlight);
  overflow: hidden;
  transition: transform 380ms var(--timing), background-color 240ms ease, border-color 240ms ease;
}
.project-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: radial-gradient(1200px 1200px at -20% -20%, var(--sheen-radial), transparent 40%),
              linear-gradient(120deg, transparent 0%, var(--sheen-linear) 50%, transparent 100%);
  pointer-events: none;
  transform: translateX(-120%);
  animation: sheen 6s ease-in-out infinite;
  opacity: 0.35;
}
.project-card:hover { transform: translateY(-2px) scale(1.01); background: var(--surface-hover); border-color: var(--border-hover); }
.project-title { margin: 0 0 8px 0; font-weight: 800; letter-spacing: 0.02em; font-size: clamp(1.1rem, 2.6vw, 1.5rem); }
.project-desc {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
  animation: mutedBreath 8600ms ease-in-out infinite;
  animation-delay: 360ms;
  text-shadow: 0 12px 28px color-mix(in srgb, var(--bg) 58%, transparent);
}

/* Motion safety */
@media (prefers-reduced-motion: reduce) {
  .hero__title,
  .section-title,
  .actions a,
  .actions a::before,
  .subtext,
  .about-text p,
  .project-desc {
    animation: none !important;
    transition: none !important;
  }
  .hero__title { opacity: 1; transform: none; }
  .actions a { opacity: 1; transform: none; }
}

/* Help avoid overflow on very short viewports */
@media (max-height: 540px) {
  .subtext { display: none; }
  .hero__title { font-size: clamp(2rem, 8vw, 3.6rem); }
  .actions a { padding: 12px 20px; }
  .stack { gap: clamp(12px, 2.5vh, 24px); }
  .projects-pane { padding-top: 90px; }
  .project-card { min-height: 130px; }
}

/* Monogram button removed */

/* Slide dot pagination */
.dot-nav {
  position: fixed;
  left: clamp(28px, 5vw, 60px);
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(12px, 2vh, 18px);
  z-index: 21;
}

.dot-nav__button {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  border: 0;
  background: var(--border);
  opacity: 0.55;
  cursor: pointer;
  transition: opacity 280ms ease, transform 280ms ease, background-color 280ms ease;
  -webkit-tap-highlight-color: transparent;
}

.dot-nav__button:hover,
.dot-nav__button:focus-visible {
  opacity: 0.85;
  transform: scale(1.1);
  background: var(--dot-hover);
  outline: none;
}

.dot-nav__button--active {
  opacity: 1;
  transform: scale(1.35);
  background: var(--theme-accent);
}

@media (max-width: 720px) {
  .dot-nav {
    left: 22px;
    gap: 12px;
  }
}

@media (max-width: 520px) {
  .dot-nav {
    left: 18px;
    gap: 10px;
  }
  .dot-nav__button {
    width: 10px;
    height: 10px;
  }
}