/* =====================================================================
   Tokens
   ===================================================================== */
:root {
  --font-display: 'Bespoke Serif', Georgia, serif;
  --font-body:    'Inter Tight', system-ui, sans-serif;

  /* Light mode */
  --bg:           #F1F3F9;
  --text:         #0F1020;
  --text-muted:   #666880;
  --border:       rgba(15, 16, 32, 0.07);
  --accent:       #C8973A;
  --accent-soft:  color-mix(in srgb, var(--accent) 16%, transparent);
  --float-shadow: 0 18px 40px color-mix(in srgb, var(--text) 12%, transparent);
}

[data-theme="dark"] {
  --bg:           #090912;
  --text:         #E2E4F0;
  --text-muted:   #7A7C92;
  --border:       rgba(226, 228, 240, 0.07);
  --accent:       #D4A843;
  --accent-soft:  color-mix(in srgb, var(--accent) 22%, transparent);
  --float-shadow: 0 18px 44px rgba(0, 0, 0, 0.34);
}

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

html, body { height: 100%; }

body {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

a { color: inherit; text-decoration: none; }

/* =====================================================================
   Theme Toggle
   ===================================================================== */
.theme-control {
  position: fixed;
  top: 20px;
  right: 26px;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 8px;
}

.theme-control__icon {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1;
  user-select: none;
}

.theme-toggle {
  width: 44px;
  height: 24px;
  background: color-mix(in srgb, var(--text-muted) 20%, var(--bg));
  border: 1px solid var(--border);
  border-radius: 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  padding: 3px;
  transition: background 0.25s ease, border-color 0.25s ease;
}

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

.theme-toggle__knob {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1),
              background 0.25s ease;
  pointer-events: none;
  flex-shrink: 0;
}

[data-theme="dark"] .theme-toggle__knob {
  transform: translateX(20px);
  background: var(--accent);
}

[data-theme="dark"] .theme-toggle {
  background: color-mix(in srgb, var(--accent) 15%, var(--bg));
  border-color: color-mix(in srgb, var(--accent) 25%, transparent);
}

/* =====================================================================
   Page — split layout, one unified background
   ===================================================================== */
.page {
  display: flex;
  align-items: stretch;
  height: 100vh;
}

/* =====================================================================
   Left Panel
   ===================================================================== */
.left-panel {
  width: clamp(500px, 50vw, 740px);
  flex-shrink: 0;
  /* Same background as page — no border, no color divide */
  position: relative;
  display: flex;
  align-items: center;
  padding: 64px 52px 64px clamp(112px, 11vw, 176px);
}

.left-panel__inner {
  display: flex;
  flex-direction: column;
  /* Large gap: greeting and quote breathe apart visually */
  gap: 112px;
  width: min(100%, 430px);
  transform: translateY(-88px);
}

.greeting {
  font-family: var(--font-display);
  font-size: clamp(2.35rem, 4.1vw, 3.55rem);
  font-weight: 400;
  line-height: 1.06;
  color: var(--text);
}

.greeting__lead {
  font-weight: 400;
  font-style: normal;
  color: color-mix(in srgb, var(--text) 88%, var(--bg));
}

.greeting strong {
  font-weight: 700;
  color: var(--accent);
  font-style: normal;
  text-shadow: 0 0 20px color-mix(in srgb, var(--accent) 18%, transparent);
}

/* =====================================================================
   Role part
   ===================================================================== */
.role {
  margin-top: 14px;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 500;
  position: relative;
  width: max-content;
}
 
.role::after {
  content: '';
  position: absolute;
  left: calc(100% + 14px);
  top: 50%;
  width: 42px;
  height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

.quote {
  border-left: 2px solid var(--accent);
  padding: 3px 0 3px 22px;
  filter: drop-shadow(0 14px 26px color-mix(in srgb, var(--text) 7%, transparent));
}

.quote p {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.12rem, 1.8vw, 1.45rem);
  color: color-mix(in srgb, var(--text) 94%, var(--accent));
  line-height: 1.46;
}

.quote cite {
  display: block;
  margin-top: 12px;
  font-size: 0.7rem;
  font-style: normal;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* Social links pinned to bottom-left of the panel */
.social-links {
  position: absolute;
  bottom: 52px;
  left: clamp(112px, 11vw, 176px);
  display: flex;
  gap: 22px;
}

.social-link {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.social-link:hover {
  border-bottom-color: var(--accent);
}

/* =====================================================================
   Right Panel — vertical flex accordion, one unified color
   ===================================================================== */
.right-panel {
  flex: 0 1 500px;
  max-width: 500px;
  height: min(68vh, 620px);
  align-self: center;
  display: flex;
  flex-direction: column;
  overflow: visible;
  margin-left: auto;
  margin-right: clamp(48px, 6vw, 96px);
  transition: height 0.36s cubic-bezier(0.22, 1, 0.36, 1);
}

.right-panel:hover,
.right-panel:focus-within {
  height: min(70vh, 640px);
}

/* No per-section colors — all sections share the single accent */
.panel-section {
  flex: 1 1 0;
  min-height: 46px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  /* No border-bottom — sections flow seamlessly */
  padding: 0 30px 0 12px;
  border: 1px solid transparent;
  border-radius: 8px;
  position: relative;
  transition: flex-grow 0.52s cubic-bezier(0.22, 1, 0.36, 1),
              background-color 0.32s ease,
              border-color 0.32s ease,
              box-shadow 0.32s ease,
              transform 0.32s ease;
}

.panel-section::before {
  content: '';
  position: absolute;
  inset: 8px auto 8px 0;
  width: 2px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 18px var(--accent-soft);
  opacity: 0;
  transition: opacity 0.28s ease;
}

.panel-section:hover {
  flex-grow: 5;
  overflow-y: auto;
  background: var(--bg);
  border-color: color-mix(in srgb, var(--accent) 34%, transparent);
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--accent) 10%, transparent),
    0 0 22px color-mix(in srgb, var(--accent) 20%, transparent),
    var(--float-shadow);
  transform: translateY(-2px);
}

.panel-section:hover::before {
  opacity: 1;
}

/* Section label row — always visible */
.panel-section__header {
  display: flex;
  align-items: center;
  height: 46px;
  flex-shrink: 0;
}

.panel-section__label {
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--text-muted);
  transition: color 0.28s ease;
  position: relative;
  padding-left: 14px;
}

.panel-section__label::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--border);
  transform: translateY(-50%);
  transition: background 0.28s ease, box-shadow 0.28s ease;
}

/* Single-color underline on hover */
.panel-section__label::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--accent);
  transition: width 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.panel-section:hover .panel-section__label {
  color: var(--accent);
}

.panel-section:hover .panel-section__label::before {
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-soft);
}

.panel-section:hover .panel-section__label::after {
  width: 100%;
}

/* Section content — revealed on hover */
.panel-section__content {
  flex: 1;
  padding-bottom: 24px;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.32s ease 0.2s,
              transform 0.38s ease 0.2s;
  pointer-events: none;
}

.panel-section:hover .panel-section__content {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* =====================================================================
   Content — Background section
   ===================================================================== */
.section-body {
  max-width: 430px;
}

.section-body p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.72;
  margin-bottom: 11px;
}

.skill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 14px;
}

.skill-chip {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  background: color-mix(in srgb, var(--accent) 5%, var(--bg));
  border: 1px solid color-mix(in srgb, var(--accent) 16%, var(--border));
  border-radius: 4px;
  padding: 2px 8px;
}

/* =====================================================================
   Content — Experience section
   ===================================================================== */
.exp-item {
  display: grid;
  grid-template-columns: 94px 1fr;
  gap: 12px;
  margin-bottom: 18px;
  position: relative;
  padding-left: 10px;
}

.exp-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 3px;
  bottom: 5px;
  width: 1px;
  background: color-mix(in srgb, var(--accent) 28%, transparent);
}

.exp-item__period {
  font-size: 0.7rem;
  color: var(--text-muted);
  padding-top: 2px;
  letter-spacing: 0.04em;
  line-height: 1.4;
}

.exp-item__title {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.35;
}

.exp-item__company {
  font-size: 0.76rem;
  color: var(--accent);
  margin: 2px 0 6px;
  letter-spacing: 0.02em;
}

.exp-item__points {
  padding-left: 14px;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.68;
}

.exp-item__points li {
  margin-bottom: 4px;
}

/* =====================================================================
   Content — Projects section
   ===================================================================== */
.section-body--grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  max-width: 500px;
}

.proj-card {
  background: color-mix(in srgb, var(--text) 4%, var(--bg));
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.22s ease, transform 0.22s ease, box-shadow 0.22s ease;
}

.proj-card::before {
  content: '';
  position: absolute;
  inset: 0 0 auto;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0.45;
}

.proj-card:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
  box-shadow: 0 10px 24px color-mix(in srgb, var(--text) 8%, transparent);
}

.proj-card__title {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
}

.proj-card__desc {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.65;
}

.proj-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 4px;
}

.proj-card__link {
  margin-top: auto;
  padding-top: 8px;
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.04em;
  align-self: flex-start;
}

/* =====================================================================
   Content — Interested In section
   ===================================================================== */
.interest-list {
  display: flex;
  flex-direction: column;
  gap: 13px;
  padding-left: 12px;
}

.interest-item {
  padding-left: 14px;
}

.interest-item__name {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 2px;
  position: relative;
}

.interest-item__name::before {
  content: '';
  position: absolute;
  left: -14px;
  top: 0.68em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-soft);
}

.interest-item__detail {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* =====================================================================
   Mobile — stacked layout, always-visible content
   ===================================================================== */
@media (min-width: 769px) and (max-width: 1100px) {
  .left-panel {
    width: clamp(380px, 43vw, 480px);
  }

  .right-panel {
    flex-basis: 440px;
    max-width: 440px;
    margin-left: auto;
    margin-right: 24px;
  }
}

@media (max-width: 768px) {
  body { overflow: auto; }

  .page {
    flex-direction: column;
    height: auto;
    min-height: 100vh;
  }

  .left-panel {
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    padding: 72px 28px 80px;
  }

  .left-panel__inner {
    gap: 48px;
    width: 100%;
    transform: none;
  }

  /* Social links back in flow on mobile */
  .social-links {
    position: static;
    flex-wrap: wrap;
    margin-top: 40px;
  }

  .right-panel {
    flex: none;
    flex-direction: column;
    width: 100%;
    height: auto;
    max-width: none;
    align-self: stretch;
    margin-left: 0;
    margin-right: 0;
  }

  .panel-section {
    flex: none !important;
    flex-grow: 1 !important;
    padding: 24px 28px 32px;
    overflow: visible;
    background: transparent !important;
  }

  .panel-section__header { height: 36px; margin-bottom: 14px; }

  .panel-section__content {
    opacity: 1 !important;
    transform: none !important;
    pointer-events: auto !important;
  }

  .section-body--grid { grid-template-columns: 1fr; }

  .exp-item {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}

/* =====================================================================
   Reduced motion
   ===================================================================== */
@media (prefers-reduced-motion: reduce) {
  .panel-section,
  .panel-section__content,
  .panel-section__label,
  .panel-section__label::after,
  .theme-toggle__knob,
  .proj-card {
    transition: none !important;
    animation: none !important;
  }
}