/* ============================================================
   CJ Indart — Portfolio Stylesheet
   To change colors: edit the variables in :root below.
   To change fonts: edit the --font-* variables.
============================================================ */

:root {
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'Manrope', system-ui, sans-serif;

  --color-bg: #111111;
  --color-surface: #1a1a1a;
  --color-surface-2: #222222;
  --color-border: rgba(255,255,255,0.09);
  --color-border-hover: rgba(255,255,255,0.18);

  --color-text-primary: #f0f0f0;
  --color-text-secondary: #888888;
  --color-text-tertiary: #606060;

  --color-accent: #A08050;
  --color-accent-glow: rgba(160,128,80,0.12);
  --color-accent-subtle: rgba(160,128,80,0.08);
  --color-nav-bg: rgba(17,17,17,0.88);
  --color-btn-primary-text: #fff;}

/* ── Light theme ── */
body.light {
  --color-bg: #F2EDE3;
  --color-surface: #E9E3D6;
  --color-surface-2: #E0D9C9;
  --color-border: rgba(60,40,15,0.12);
  --color-border-hover: rgba(60,40,15,0.24);
  --color-text-primary: #1A1510;
  --color-text-secondary: #5C4E3A;
  --color-text-tertiary: #8A7D6E;
  --color-accent: #7A5C2E;
  --color-accent-glow: rgba(122,92,46,0.20);
  --color-accent-subtle: rgba(122,92,46,0.10);
  --color-nav-bg: rgba(242,237,227,0.92);
  --color-btn-primary-text: #fff;
}

body.light .hero-photo {
  border-color: rgba(122,92,46,0.25);
  box-shadow: 0 0 32px rgba(122,92,46,0.14);
}
body.light .project-card:hover {
  box-shadow: 0 8px 28px rgba(0,0,0,0.12), 0 0 16px rgba(122,92,46,0.10);
}

:root {

  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 10px;

  --max-width: 1280px;
  --nav-height: 64px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scrollbar-gutter: stable; }
body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* ── Noise / grain texture overlay ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

/* ── Navigation ── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  background: var(--color-nav-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 40px;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--color-text-primary);
}
.nav-links {
  display: flex;
  gap: 32px;
}
.nav-links a {
  font-size: 13px;
  color: var(--color-text-secondary);
  transition: color 0.15s;
  letter-spacing: 0.01em;
}
.nav-links a:hover { color: var(--color-text-primary); }
.nav-links a.active { color: var(--color-text-primary); font-weight: 700; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; font-size: 20px; color: var(--color-text-secondary); justify-self: end; }

/* Apple-style theme toggle switch */
.theme-toggle {
  position: relative;
  width: 50px;
  height: 26px;
  background: none;
  border: 1.5px solid var(--color-border-hover);
  border-radius: 13px;
  cursor: pointer;
  padding: 0;
  transition: border-color 0.2s;
  flex-shrink: 0;
  align-self: center;
  justify-self: end;
  display: block;
}
.theme-toggle:hover { border-color: var(--color-accent); }
/* sliding knob */
.theme-toggle::before {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-text-secondary);
  transition: transform 0.2s ease, background 0.2s;
}
body.light .theme-toggle::before {
  transform: translateX(24px);
  background: var(--color-accent);
}
/* sun icon (dark mode = show sun to switch to light) */
.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 11px;
  height: 11px;
  color: var(--color-text-secondary);
  transition: opacity 0.2s;
  pointer-events: none;
}
.theme-toggle .icon-sun  { right: 5px; opacity: 1; }
.theme-toggle .icon-moon { left: 5px;  opacity: 0; }
body.light .theme-toggle .icon-sun  { opacity: 0; }
body.light .theme-toggle .icon-moon { opacity: 1; }

/* ── Hero ── */
.hero {
  position: relative;
  padding: 48px 40px 64px;
  max-width: var(--max-width);
  margin: 0 auto;
  overflow: visible;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 72px;
}


.hero-inner { position: relative; z-index: 1; max-width: 560px; flex: 1; }

.hero-photo {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
  width: 300px;
  height: 440px;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.14);
  order: 2;
  box-shadow: 0 0 40px rgba(255,255,255,0.10), 0 0 80px rgba(255,255,255,0.05);
}
.hero-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 8%;
  transform: scale(1.1);
  transform-origin: center top;
}

.hero-eyebrow {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 20px;
  opacity: 0.9;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 64px);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  color: var(--color-text-primary);
}
.hero-title em {
  font-style: italic;
  color: var(--color-text-secondary);
}
.hero-bio {
  font-size: 18px;
  color: var(--color-text-secondary);
  line-height: 1.75;
  max-width: 520px;
  margin-bottom: 28px;
}
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 36px;
}
.tag {
  font-size: 12px;
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.10);
  color: var(--color-accent);
  background: var(--color-accent-subtle);
}

.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }

.hero-chat-hint {
  margin-top: 10px;
  font-size: 13px;
  color: var(--color-text-tertiary);
}
.hero-chat-link {
  color: var(--color-text-secondary);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}
.hero-chat-link:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.btn-primary {
  display: inline-block;
  font-size: 14px;
  font-weight: 500;
  padding: 11px 24px;
  border-radius: var(--radius-md);
  background: var(--color-accent);
  color: var(--color-btn-primary-text);
  transition: box-shadow 0.2s, opacity 0.15s, transform 0.35s cubic-bezier(0.23, 1, 0.32, 1);
  letter-spacing: 0.01em;
  will-change: transform;
  position: relative;
  z-index: 1;
}
.btn-primary:hover {
  opacity: 0.9;
  box-shadow: 0 0 20px var(--color-accent-glow);
}
.btn-secondary {
  display: inline-block;
  font-size: 14px;
  color: var(--color-text-secondary);
  padding: 11px 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-hover);
  background: transparent;
  transition: border-color 0.15s, color 0.15s, background 0.15s, transform 0.35s cubic-bezier(0.23, 1, 0.32, 1);
  will-change: transform;
  position: relative;
  z-index: 1;
}
.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-text-primary);
  background: var(--color-accent-subtle);
}

.hero-deco { display: none; }

/* ── Sections ── */
.section {
  padding: 48px 40px;
  max-width: var(--max-width);
  margin: 0 auto;
  border-top: 1px solid var(--color-border);
  position: relative;
  z-index: 1;
}
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 36px;
}
.section-label {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  opacity: 0.85;
}
.section-link {
  font-size: 13px;
  color: var(--color-text-secondary);
  transition: color 0.15s;
}
.section-link:hover { color: var(--color-text-primary); }

/* ── Project Cards ── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 16px;
}
.project-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  opacity: 0;
  transition: opacity 0.2s;
}
.project-card:hover {
  border-color: rgba(255,255,255,0.18);
  transform: translateY(-3px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.65), 0 0 30px rgba(255,255,255,0.04);
}
.project-card:hover::before { opacity: 1; }

.project-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}
.project-type {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  opacity: 0.8;
}
.project-year {
  font-size: 12px;
  color: var(--color-text-tertiary);
}
.project-name {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 400;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
  color: var(--color-text-primary);
}
.project-desc {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 18px;
  flex: 1;
}
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
}
.project-tag {
  font-size: 12px;
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  background: var(--color-accent-subtle);
  color: var(--color-accent);
  border: 1px solid rgba(255,255,255,0.10);
}
.project-arrow {
  font-size: 13px;
  color: var(--color-text-tertiary);
  transition: color 0.15s;
  margin-top: auto;
}
.project-arrow::after {
  content: '';
  position: absolute;
  inset: 0;
}
.project-card:hover .project-arrow { color: var(--color-accent); }

/* ── Stadium Banner ── */
.stadium-banner {
  position: relative;
  width: 100%;
  height: 520px;
  overflow: hidden;
  background-image:
    linear-gradient(to bottom, var(--color-bg) 0%, transparent 22%, transparent 78%, var(--color-bg) 100%),
    linear-gradient(rgba(0,0,0,0.30), rgba(0,0,0,0.30)),
    url('assets/stadium.jpg');
  background-size: cover;
  background-position: center 45%;
}
.stadium-banner-inner {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 32px;
}
.stadium-banner-label {
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  font-family: var(--font-body);
}
body.light .stadium-banner {
  background-image:
    linear-gradient(to bottom, var(--color-bg) 0%, transparent 18%, transparent 82%, var(--color-bg) 100%),
    linear-gradient(rgba(20,28,50,0.30), rgba(20,28,50,0.30)),
    url('assets/stadium.jpg');
}

/* ── About Strip ── */
.about-strip {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}
.about-strip-text .section-label { display: block; margin-bottom: 16px; }
.about-strip-text p {
  font-size: 16px;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 24px;
}

.section-about { border-top: none; }

/* ── About strip mobile ── */
@media (max-width: 600px) {
  .stadium-banner { height: 220px; }
}

/* ── Footer ── */
.footer {
  border-top: 1px solid var(--color-border);
  padding: 32px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}
.footer-name {
  font-family: var(--font-display);
  font-size: 15px;
  color: var(--color-text-primary);
}
.footer-links {
  display: flex;
  gap: 24px;
}
.footer-links a {
  font-size: 13px;
  color: var(--color-text-secondary);
  transition: color 0.15s;
}
.footer-links a:hover { color: var(--color-accent); }
.footer-copy {
  font-size: 12px;
  color: var(--color-text-tertiary);
}

/* ── Animations ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero-eyebrow { animation: fadeUp 0.55s ease both; }
.hero-title   { animation: fadeUp 0.55s ease 0.08s both; }
.hero-bio     { animation: fadeUp 0.55s ease 0.16s both; }
.hero-tags    { animation: fadeUp 0.55s ease 0.22s both; }
.hero-cta       { animation: fadeUp 0.55s ease 0.28s both; }
.hero-chat-hint { animation: fadeUp 0.55s ease 0.34s both; }

/* ── Responsive ── */
@media (max-width: 680px) {
  .nav { padding: 0 20px; display: flex; justify-content: space-between; align-items: center; position: relative; }
  .nav-logo { order: 2; font-size: 22px; position: absolute; left: 50%; transform: translateX(-50%); }
  .theme-toggle { order: 1; justify-self: unset; }
  .nav-toggle { display: block; order: 3; }
  .nav-links { display: none; }
  .hero { padding: 32px 20px 48px; flex-direction: column; gap: 28px; }
  .hero-photo { width: 140px; height: 170px; order: 0; }
  .section { padding: 36px 20px; }
  .footer { padding: 24px 20px; flex-direction: column; align-items: flex-start; gap: 12px; }
}

/* ── Hero photo: entrance + gentle float (desktop only) ── */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-10px); }
}

.hero-photo { animation: fadeUp 0.55s ease 0.05s both; }
@media (min-width: 681px) {
  .hero-photo { animation: fadeUp 0.55s ease 0.05s both, float 7s ease-in-out 0.6s infinite; }
}


/* ── Scroll Reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.65s ease, transform 0.65s ease;
  transition-delay: var(--reveal-delay, 0ms);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Nav scrolled ── */
.nav.scrolled {
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.22);
}

/* ── Mobile nav open ── */
@media (max-width: 680px) {
  .nav-links.nav-open {
    display: flex !important;
    flex-direction: column;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--color-bg);
    padding: 16px 20px 24px;
    border-bottom: 1px solid var(--color-border);
    gap: 20px;
    z-index: 99;
  }
}


/* ── Card 3D tilt ── */
.project-card {
  transform-style: preserve-3d;
  will-change: transform;
}

/* ── Card shimmer on hover ── */
.project-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(255,255,255,0.04) 0%, transparent 55%);
  opacity: 0;
  transition: opacity 0.35s;
  pointer-events: none;
}
.project-card:hover::after { opacity: 1; }