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

/* ══════════════════════════════════════
   THEME: Bold & Modern (default)
   ══════════════════════════════════════ */
:root, [data-theme="bold"] {
  --bg: #0c0c0c;
  --bg2: #141414;
  --bg3: #1c1c1c;
  --text: #f0f0f0;
  --text-muted: #888;
  --text-bio: #ccc;
  --accent: #ff8c42;
  --accent-dim: rgba(255, 140, 66, 0.15);
  --accent-shadow: rgba(255, 140, 66, 0.35);
  --accent-card-shadow: rgba(255, 140, 66, 0.1);
  --border: #2a2a2a;
  --nav-bg: rgba(12, 12, 12, 0.88);
  --btn-text: #0c0c0c;
  --radius: 12px;
  --font-display: 'Syne', sans-serif;
  --font-body: 'Inter', sans-serif;
  --hero-weight: 800;
  --section-weight: 800;
  --label-color: var(--accent);
}

/* ══════════════════════════════════════
   THEME: Minimal & Clean
   ══════════════════════════════════════ */
[data-theme="minimal"] {
  --bg: #ffffff;
  --bg2: #f7f7f7;
  --bg3: #efefef;
  --text: #111111;
  --text-muted: #999;
  --text-bio: #444;
  --accent: #1d4ed8;
  --accent-dim: rgba(29, 78, 216, 0.08);
  --accent-shadow: rgba(29, 78, 216, 0.25);
  --accent-card-shadow: rgba(29, 78, 216, 0.06);
  --border: #e5e5e5;
  --nav-bg: rgba(255, 255, 255, 0.92);
  --btn-text: #ffffff;
  --radius: 8px;
  --font-display: 'DM Sans', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --hero-weight: 600;
  --section-weight: 600;
  --label-color: var(--accent);
}

/* ══════════════════════════════════════
   THEME: Warm & Personal
   ══════════════════════════════════════ */
[data-theme="warm"] {
  --bg: #fdf6ed;
  --bg2: #f5ebe0;
  --bg3: #ecdfd1;
  --text: #2d2018;
  --text-muted: #9c7e67;
  --text-bio: #5a3e2b;
  --accent: #c85a2e;
  --accent-dim: rgba(200, 90, 46, 0.12);
  --accent-shadow: rgba(200, 90, 46, 0.3);
  --accent-card-shadow: rgba(200, 90, 46, 0.08);
  --border: #ddd0c2;
  --nav-bg: rgba(253, 246, 237, 0.92);
  --btn-text: #ffffff;
  --radius: 16px;
  --font-display: 'Nunito', sans-serif;
  --font-body: 'Nunito', sans-serif;
  --hero-weight: 800;
  --section-weight: 800;
  --label-color: var(--accent);
}

/* ══════════════════════════════════════
   THEME: Dark Editorial
   ══════════════════════════════════════ */
[data-theme="editorial"] {
  --bg: #0f0e0d;
  --bg2: #191816;
  --bg3: #242220;
  --text: #f5f1eb;
  --text-muted: #7a736a;
  --text-bio: #c8bfb4;
  --accent: #e63329;
  --accent-dim: rgba(230, 51, 41, 0.12);
  --accent-shadow: rgba(230, 51, 41, 0.3);
  --accent-card-shadow: rgba(230, 51, 41, 0.08);
  --border: #2e2b28;
  --nav-bg: rgba(15, 14, 13, 0.92);
  --btn-text: #ffffff;
  --radius: 4px;
  --font-display: 'Playfair Display', serif;
  --font-body: 'Inter', sans-serif;
  --hero-weight: 700;
  --section-weight: 700;
  --label-color: var(--accent);
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background 0.4s, color 0.4s;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ─── Nav ─── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background 0.4s, border-color 0.4s;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: var(--hero-weight);
  color: var(--accent);
  letter-spacing: 0.05em;
}

.nav-links { display: flex; gap: 36px; }

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--text); }

.lang-toggle {
  display: flex;
  align-items: center;
  position: relative;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: 3px;
  gap: 2px;
}

.lang-slider {
  position: absolute;
  top: 3px; bottom: 3px;
  border-radius: 99px;
  background: var(--accent);
  transition: left 0.22s cubic-bezier(0.34, 1.2, 0.64, 1), width 0.22s cubic-bezier(0.34, 1.2, 0.64, 1), background-color 0.4s ease;
  pointer-events: none;
  z-index: 0;
}

.lang-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  cursor: pointer;
  padding: 4px 10px;
  border-radius: 99px;
  transition: color 0.15s;
  position: relative;
  z-index: 1;
}

.lang-btn.active { color: var(--btn-text); }

.lang-btn:not(.active):hover { color: var(--text); }

/* ─── Hero ─── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  padding: 120px 48px 80px;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-text { flex: 1; max-width: 580px; }

.hero-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--label-color);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 8vw, 7rem);
  font-weight: var(--hero-weight);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 24px;
  transition: font-family 0.3s;
}

[data-theme="editorial"] .hero-name { letter-spacing: -0.01em; }
[data-theme="minimal"] .hero-name { letter-spacing: -0.03em; }
[data-theme="warm"] .hero-name { letter-spacing: -0.01em; }

.hero-tagline {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 40px;
  min-height: 1.8em;
}

.typed-text { color: var(--text); font-weight: 500; }
.typed-cursor { color: var(--accent); animation: blink 0.8s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }

.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s, border-color 0.15s, color 0.15s;
  border: none;
}

.btn-primary { background: var(--accent); color: var(--btn-text); }
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--accent-shadow);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn-large { padding: 16px 40px; font-size: 1rem; }

/* ─── Hero Photo ─── */
.hero-photo { flex-shrink: 0; width: 320px; height: 380px; }

.photo-placeholder {
  width: 100%;
  height: 100%;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: var(--text-muted);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  position: relative;
  overflow: hidden;
  transition: background 0.4s, border-color 0.4s;
}

.photo-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top, var(--accent-dim), transparent 60%);
}

.photo-placeholder svg {
  width: 100px;
  height: 100px;
  opacity: 0.4;
  position: relative;
  z-index: 1;
}

.photo-placeholder span { position: relative; z-index: 1; text-transform: uppercase; }

/* ─── Sections ─── */
.section-inner { max-width: 1200px; margin: 0 auto; padding: 0 48px; }

.section-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--label-color);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: var(--section-weight);
  letter-spacing: -0.02em;
  margin-bottom: 48px;
  transition: font-family 0.3s;
}

/* ─── About ─── */
.about { padding: 100px 0; border-top: 1px solid var(--border); }

.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }

.about-bio { font-size: 1.1rem; line-height: 1.8; color: var(--text-bio); }

.about-facts { display: flex; flex-direction: column; }

.about-facts li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}

.fact-key { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); }
.fact-val { font-weight: 500; font-size: 0.95rem; }

/* ─── Projects ─── */
.projects { padding: 100px 0; border-top: 1px solid var(--border); }

.projects-featured { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 64px; }

.project-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s, background 0.4s;
}

.project-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px var(--accent-card-shadow);
}

.project-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.project-tag {
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 4px 10px;
  border-radius: 99px;
}

.project-links { display: flex; gap: 12px; }

.project-link { color: var(--text-muted); transition: color 0.2s; display: flex; align-items: center; }
.project-link:hover { color: var(--text); }
.project-link svg { width: 18px; height: 18px; }

.project-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.project-desc { font-size: 0.9rem; line-height: 1.7; color: var(--text-bio); margin-bottom: 24px; }

.project-stack { display: flex; flex-wrap: wrap; gap: 8px; }

.project-stack span {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--bg3);
  border: 1px solid var(--border);
  padding: 3px 10px;
  border-radius: 99px;
}

/* ─── Projects list ─── */
.projects-list-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}

.projects-list ul { border-top: 1px solid var(--border); }

.project-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}

.project-row:hover .project-row-name { color: var(--accent); }

.project-row-left { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.project-row-name { font-weight: 600; font-size: 0.95rem; transition: color 0.2s; }
.project-row-desc { font-size: 0.83rem; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.project-row-right { display: flex; align-items: center; gap: 16px; flex-shrink: 0; }
.project-row-stack { font-size: 0.78rem; color: var(--text-muted); white-space: nowrap; }

.project-link-small { font-size: 0.8rem; font-weight: 500; color: var(--text-muted); transition: color 0.2s; white-space: nowrap; }
.project-link-small:hover { color: var(--accent); }

/* ─── Contact ─── */
.contact { padding: 120px 0; border-top: 1px solid var(--border); }
.contact-inner { text-align: center; }

.contact-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 480px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

/* ─── Footer ─── */
.footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 48px;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ─── Fade-in ─── */
.fade-in { opacity: 0; transform: translateY(28px); transition: opacity 0.65s ease, transform 0.65s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ══════════════════════════════════════
   THEME SWITCHER
   ══════════════════════════════════════ */
.theme-switcher {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}

.theme-toggle-btn {
  background: var(--bg2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 16px;
  border-radius: 99px;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: border-color 0.2s, background 0.2s;
  letter-spacing: 0.04em;
  box-shadow: 0 4px 20px rgba(0,0,0,0.25);
}

.theme-toggle-btn:hover { border-color: var(--accent); }

.theme-panel {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px) scale(0.97);
  transition: opacity 0.18s, transform 0.18s;
}

.theme-panel.open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.theme-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: 8px;
  cursor: pointer;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.85rem;
  text-align: left;
  transition: background 0.15s, border-color 0.15s;
  white-space: nowrap;
}

.theme-option:hover { background: var(--bg3); }
.theme-option.active { border-color: var(--accent); background: var(--accent-dim); }

.theme-swatch {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  flex-shrink: 0;
  border: 2px solid rgba(255,255,255,0.1);
}

.theme-info { display: flex; flex-direction: column; }
.theme-name { font-weight: 600; font-size: 0.82rem; }
.theme-desc { font-size: 0.72rem; color: var(--text-muted); }

/* ══════════════════════════════════════
   THEME: Scroll Story (Apple-inspired)
   ══════════════════════════════════════ */
[data-theme="apple"] {
  --bg: #f5f5f7;
  --bg2: #ffffff;
  --bg3: #e8e8ed;
  --text: #1d1d1f;
  --text-muted: #6e6e73;
  --text-bio: #424245;
  --accent: #0071e3;
  --accent-dim: rgba(0, 113, 227, 0.1);
  --accent-shadow: rgba(0, 113, 227, 0.28);
  --accent-card-shadow: rgba(0, 0, 0, 0.1);
  --border: #d2d2d7;
  --nav-bg: rgba(245, 245, 247, 0.82);
  --btn-text: #ffffff;
  --radius: 18px;
  --font-display: 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;
  --hero-weight: 700;
  --section-weight: 700;
  --label-color: var(--text-muted);
}

[data-theme="apple"] .hero-name {
  font-size: clamp(3.5rem, 10vw, 8rem);
  letter-spacing: -0.04em;
}

/* ══════════════════════════════════════
   SCROLL ANIMATION ENGINE (all themes)
   ══════════════════════════════════════ */

/* Progress bar */
.apple-progress-bar {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: var(--accent);
  z-index: 999;
  transition: width 0.05s linear;
  border-radius: 0 2px 2px 0;
}

/* Hide animated elements at load — JS reveals them based on viewport position */
.anim-ready .section-label,
.anim-ready .section-title,
.anim-ready .about-facts li,
.anim-ready .project-card,
.anim-ready .project-row,
.anim-ready .projects-list-title,
.anim-ready .contact-sub,
.anim-ready .contact .btn-primary {
  opacity: 0;
  transition: none !important;
}

/* Bio word spans */
.bio-word {
  display: inline-block;
  opacity: 0;
  transform: translateY(12px);
  will-change: opacity, transform;
}

/* Kill standard fade-in — JS drives everything */
.anim-ready .fade-in { opacity: 1 !important; transform: none !important; }

/* Background blobs — colour + size set inline by JS */
.scroll-blob {
  position: fixed;
  top: 0;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
  z-index: 0;
  will-change: transform;
  translate: -50% 0;
  transition: background-color 0.6s ease;
  display: none;  /* hidden on all themes by default */
}

[data-theme="minimal"] .scroll-blob { display: block; }

/* Page content sits above blobs */
.nav, .hero, .about, .projects, .contact, .footer { position: relative; z-index: 1; }
.apple-progress-bar { z-index: 999; }
.theme-switcher      { z-index: 200; }

/* ─── Responsive ─── */
@media (max-width: 900px) {
  .nav { padding: 16px 20px; }
  .nav-links { gap: 20px; }
  .nav-links a { font-size: 0.8rem; }

  .hero {
    flex-direction: column-reverse;
    padding: 88px 20px 56px;
    text-align: center;
    min-height: auto;
    gap: 28px;
  }
  .hero-photo { width: 160px; height: 200px; }
  .hero-cta { justify-content: center; }

  .section-inner { padding: 0 20px; }
  .section-title { margin-bottom: 36px; }

  .about { padding: 64px 0; }
  .about-grid { grid-template-columns: 1fr; gap: 36px; }

  .projects { padding: 64px 0; }
  .projects-featured { grid-template-columns: 1fr; gap: 16px; }
  .project-card { padding: 24px; }
  .project-row-desc { display: none; }
  .projects-list { margin-top: 0; }

  .contact { padding: 80px 0; }

  .footer {
    flex-direction: column;
    gap: 8px;
    text-align: center;
    padding: 20px;
  }

  .theme-switcher { bottom: 16px; right: 16px; }
  .theme-panel { max-width: calc(100vw - 32px); }
}

@media (max-width: 520px) {
  .nav-links { display: none; }

  .hero { padding: 76px 16px 48px; gap: 20px; }
  .hero-photo { width: 120px; height: 150px; }
  .hero-name { font-size: clamp(2.8rem, 14vw, 3.5rem); }
  .hero-tagline { font-size: 1rem; }

  .section-inner { padding: 0 16px; }
  .section-title { margin-bottom: 24px; }

  .about { padding: 52px 0; }
  .about-bio { font-size: 1rem; }
  .about-facts li { flex-wrap: wrap; gap: 2px 12px; padding: 12px 0; }
  .fact-val { font-size: 0.9rem; }

  .projects { padding: 52px 0; }
  .project-card { padding: 18px; }
  .project-title { font-size: 1.15rem; }
  .project-row { gap: 12px; }
  .project-row-stack { display: none; }

  .contact { padding: 60px 0; }
  .contact-sub { font-size: 0.95rem; }
  .btn-large { padding: 14px 20px; font-size: 0.9rem; max-width: 100%; text-align: center; }

  .footer { padding: 16px; font-size: 0.75rem; }

  .theme-toggle-btn { padding: 8px 12px; font-size: 0.75rem; }
  .theme-panel { max-width: calc(100vw - 32px); }
  .theme-option { padding: 8px 10px; font-size: 0.8rem; }
}