/* ============================================================
   LE PROFESSEUR v1.0 — Mahmut Vural Academic Portal
   Aesthetic: Ivy League editorial · Oxford blue + antique gold
   Palette: parchment ivory · deep navy · brass gold · oxblood
   Typography: Playfair Display · Lora · Inter
   ============================================================ */

:root {
  /* ============================================================
     "DEVLET & KOMUTA" — dark ceremonial command palette
     Obsidian statehouse · brass seal · oxblood sash · warm ivory
     ============================================================ */
  /* Command surfaces (obsidian → deep navy) */
  --paper:            #0A0E1A;   /* obsidian command field */
  --parchment:        #101728;   /* deep navy panel field */
  --paper-aged:       #0C1120;   /* darker chamfered edge */
  --panel:            #141C31;   /* card interior */
  --panel-warm:       #16203A;
  --panel-elev:       #1B2542;   /* raised dais */
  --panel-line:       #2A3556;   /* panel seam */

  /* Ink & accent — "ink" is now luminous ivory (primary light) */
  --ink:              #ECE6D6;   /* warm ivory — statehouse light */
  --ink-soft:         #D6CFBC;
  --ink-hair:         #B7B0A0;
  --burgundy:         #C4574B;   /* kiremit — diplomatik sıcak vurgu */
  --burgundy-soft:    #D9705F;
  --gold:             #CDA94E;   /* ceremonial brass */
  --gold-bright:      #F2D584;   /* luminous seal highlight */
  --gold-deep:        #C79F45;   /* readable brass on dark */
  --gold-pale:        #EBDBA6;
  /* Metallic sheen — used on rules, underlines & the seal */
  --gold-metal: linear-gradient(100deg,
      #8A6A22 0%, #C6A03C 18%, #F2D584 34%,
      #FBEFC6 46%, #D8B24E 58%, #F2D584 74%,
      #A9832C 90%, #8A6A22 100%);
  --moss:             #7E8C6C;   /* muted verdigris */

  /* Text (light on obsidian) */
  --text-primary:     #ECE6D6;
  --text-body:        #C9C2B0;   /* warm light body */
  --text-secondary:   #A49B85;
  --text-muted:       #857D6B;
  --text-dim:         #5E5849;

  /* Borders & rules */
  --border-hair:      rgba(205, 169, 78, 0.22);
  --border-soft:      #2C3557;
  --border-strong:    #B8923C;
  --border-navy:      rgba(236, 230, 214, 0.10);
  --shadow-paper:     0 1px 2px rgba(0, 0, 0, 0.35), 0 10px 30px rgba(0, 0, 0, 0.45);
  --shadow-lift:      0 2px 6px rgba(0, 0, 0, 0.40), 0 22px 50px rgba(0, 0, 0, 0.55);
  --shadow-portrait:  0 14px 50px rgba(0, 0, 0, 0.60), 0 2px 8px rgba(0, 0, 0, 0.50);

  /* Legacy aliases — preserve JS/i18n compatibility */
  --matrix-green: var(--gold);
  --matrix-dim:   var(--gold-deep);
  --matrix-bright:var(--gold-bright);
  --matrix-pale:  var(--parchment);
  --neon-cyan:    var(--burgundy);
  --neon-cyan-dim:var(--burgundy-soft);
  --alert-amber:  var(--gold);
  --threat-red:   var(--burgundy);
  --hot-magenta:  var(--burgundy);
  --void:         var(--paper);
  --terminal-bg:  var(--paper);
  --panel-bg:     var(--parchment);
  --gold-light:   var(--gold-bright);
  --deep:         var(--paper);
  --dark:         var(--parchment);
  --navy:         var(--ink);
  --mid:          var(--panel-line);
  --text:         var(--text-primary);
  --muted:        var(--text-muted);
  --cream:        var(--paper);
  --border:       var(--border-soft);
  --cyber-green:  var(--gold);
  --cyber-cyan:   var(--burgundy);
  --cyber-magenta:var(--burgundy);
  --cyber-amber:  var(--gold-bright);
  --cyber-red:    var(--burgundy);
  --code-bg:      var(--parchment);
  --glow-soft:    0 0 14px rgba(205, 169, 78, 0.12);
  --glow-mid:     0 0 22px rgba(205, 169, 78, 0.18);
  --glow-hard:    0 0 34px rgba(242, 213, 132, 0.24);
  --grid-line:    rgba(205, 169, 78, 0.055);

  --safe-top:     env(safe-area-inset-top, 0px);
  --safe-bottom:  env(safe-area-inset-bottom, 0px);
}

* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Lora', 'Source Serif Pro', Georgia, serif;
  background: var(--paper);
  color: var(--text-body);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  width: 100%;
  max-width: 100vw;
  font-size: 17px;
  line-height: 1.65;
  font-feature-settings: "kern" on, "liga" on, "onum" on;
}

/* Subtle paper grain — a hint of texture, never busy */
body::before {
  content: '';
  position: fixed; inset: 0; pointer-events: none; z-index: 9998;
  background-image:
    radial-gradient(circle at 25% 20%, rgba(168, 132, 58, 0.025) 0%, transparent 40%),
    radial-gradient(circle at 75% 80%, rgba(196, 87, 75, 0.020) 0%, transparent 40%);
  opacity: 0.9;
}

/* Very light vellum vignette */
body::after {
  content: '';
  position: fixed; inset: 0; pointer-events: none; z-index: 9997;
  background: radial-gradient(ellipse at center, transparent 55%, rgba(90, 65, 20, 0.06) 100%);
}

::selection    { background: var(--gold); color: var(--paper); }
::-moz-selection{ background: var(--gold); color: var(--paper); }

::-webkit-scrollbar        { width: 10px; height: 10px; }
::-webkit-scrollbar-track  { background: var(--paper-aged); }
::-webkit-scrollbar-thumb  { background: var(--border-strong); border: 2px solid var(--paper-aged); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--gold-deep); }

a:focus-visible, button:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

/* ============================================================
   NAVIGATION — ivory bar, small caps, gold hairline
   ============================================================ */
nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(10, 14, 26, 0.82);
  backdrop-filter: blur(14px) saturate(1.1);
  -webkit-backdrop-filter: blur(14px) saturate(1.1);
  border-bottom: 1px solid var(--border-hair);
  padding: var(--safe-top) 2.5rem 0;
  display: flex; align-items: center; justify-content: space-between;
  height: calc(66px + var(--safe-top));
  gap: 0.5rem;
  box-shadow: 0 1px 0 rgba(205, 169, 78, 0.16), 0 8px 28px rgba(0, 0, 0, 0.5);
}
/* Gold hairline top accent */
nav::before {
  content: '';
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent 0%, #8A6A22 12%, var(--gold-bright) 38%, #FBEFC6 50%, var(--gold-bright) 62%, #8A6A22 88%, transparent 100%);
  opacity: 1;
}

.nav-logo {
  font-family: 'Playfair Display', 'Cormorant Garamond', serif;
  font-size: 1.35rem; font-weight: 700;
  font-style: italic;
  letter-spacing: 0.005em;
  color: var(--ink);
  text-decoration: none;
  flex-shrink: 0;
  white-space: nowrap;
  display: flex; align-items: baseline; gap: 0.3rem;
  position: relative;
}
.nav-logo::before {
  content: '';
  display: inline-block;
  width: 22px; height: 1px;
  background: var(--gold);
  margin-right: 0.4rem;
  transform: translateY(-6px);
}

.nav-links {
  display: flex; gap: 0; list-style: none; align-items: center;
  flex: 1; justify-content: center;
}
.nav-links li a {
  font-family: 'Inter', 'Helvetica Neue', sans-serif;
  font-size: 0.72rem; font-weight: 500;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-soft);
  text-decoration: none;
  transition: color 0.25s;
  padding: 0.6rem 1rem;
  white-space: nowrap;
  display: block;
  position: relative;
}
.nav-links li a::after {
  content: '';
  position: absolute;
  left: 1rem; right: 1rem;
  bottom: 0.35rem;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.nav-links li a:hover, .nav-links li a:active {
  color: var(--burgundy);
}
.nav-links li a:hover::after { transform: scaleX(1); }
.nav-lang-row { display: none; }

.nav-right { display: flex; align-items: center; gap: 0.5rem; flex-shrink: 0; }
.lang-switcher { display: flex; gap: 0.15rem; align-items: center; }
.lang-btn {
  font-size: 1.05rem; line-height: 1;
  padding: 0.3rem 0.4rem;
  background: transparent !important;
  -webkit-appearance: none; appearance: none;
  border: 1px solid transparent;
  border-radius: 2px;
  cursor: pointer; transition: all 0.2s;
  opacity: 0.55;
  font-family: inherit;
  min-width: 32px; min-height: 32px;
  display: flex; align-items: center; justify-content: center;
  filter: grayscale(0.4);
  color: var(--ink);
}
.lang-btn:hover { opacity: 0.95; border-color: var(--border-hair); filter: grayscale(0); }
.lang-btn.active {
  opacity: 1;
  border-color: var(--gold);
  filter: grayscale(0);
  box-shadow: 0 0 0 1px rgba(168, 132, 58, 0.15);
  background: rgba(168, 132, 58, 0.06) !important;
}
.hamburger {
  display: none; flex-direction: column;
  gap: 5px; cursor: pointer;
  padding: 8px;
  background: none; border: none;
  min-width: 44px; min-height: 44px;
  align-items: center; justify-content: center;
}
.hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--ink); border-radius: 1px;
  transition: all 0.3s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); background: var(--burgundy); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); background: var(--burgundy); }

/* ============================================================
   HERO — editorial cover page
   ============================================================ */
#hero {
  min-height: 100vh;
  min-height: 100dvh;
  background:
    radial-gradient(ellipse at 22% 30%, rgba(168, 132, 58, 0.08) 0%, transparent 55%),
    radial-gradient(ellipse at 78% 70%, rgba(196, 87, 75, 0.06) 0%, transparent 55%),
    linear-gradient(160deg, var(--parchment) 0%, var(--paper) 55%, var(--paper-aged) 100%);
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
  padding-top: calc(66px + var(--safe-top));
  padding-bottom: 2rem;
}

/* Faint editorial rule grid */
.hero-map-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px);
  background-size: 120px 100%;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  opacity: 0.5;
}

/* Retired cyber layers — hidden but harmless */
.matrix-rain     { display: none !important; }
.term-log        { display: none !important; }
.scan-bar        { display: none !important; }

/* Silk-road SVG → repurposed as subtle laurel arc backdrop */
.silk-road-svg {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  opacity: 0.12;
  pointer-events: none;
  z-index: 2;
  filter: sepia(0.4) saturate(0.8);
}
.silk-path { stroke: var(--gold) !important; stroke-dasharray: 1000; stroke-dashoffset: 1000; animation: drawLine 8s ease 1s forwards; }
.city-dot { fill: var(--gold) !important; animation: nodePulse 4s ease-in-out infinite; transform-origin: center; transform-box: fill-box; }
.silk-road-svg text { display: none; }
@keyframes drawLine { to { stroke-dashoffset: 0; } }
@keyframes nodePulse {
  0%, 100% { opacity: 0.4; transform: scale(0.85); }
  50%      { opacity: 0.9; transform: scale(1.1); }
}

/* Hero content */
.hero-content {
  position: relative; z-index: 5;
  display: flex; align-items: center; gap: 5rem;
  max-width: 1140px; padding: 4rem 3rem;
  width: 100%;
}
.hero-photo-wrap {
  flex-shrink: 0;
  opacity: 0;
  animation: fadeUp 0.9s ease 0.4s forwards;
  position: relative;
  padding: 14px;
  background: linear-gradient(160deg, #1B2542 0%, #0C1120 100%);
  box-shadow: var(--shadow-portrait), var(--glow-soft);
}
/* Gold double border on portrait matte */
.hero-photo-wrap::before {
  content: '';
  position: absolute;
  inset: 6px;
  border: 1px solid var(--gold);
  pointer-events: none;
  opacity: 0.9;
}
.hero-photo-wrap::after {
  content: '';
  position: absolute;
  inset: 2px;
  border: 1px solid var(--gold-pale);
  pointer-events: none;
}
.photo-frame {
  width: 260px; height: 320px;
  border: 1px solid var(--ink);
  position: relative;
  overflow: hidden;
  background: var(--parchment);
  box-shadow:
    inset 0 0 0 1px rgba(205, 169, 78, 0.25),
    0 6px 18px rgba(0, 0, 0, 0.5);
}
.photo-frame::before, .photo-frame::after { content: none; }
.photo-frame img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center top; display: block;
  filter: contrast(1.03) saturate(0.96) sepia(0.06);
  position: relative;
  z-index: 1;
}
/* Repurpose the four corner ornament nodes as elegant gold squares */
.photo-ornament, .photo-ornament-2 {
  position: absolute;
  width: 12px; height: 12px;
  background: var(--gold);
  border: none;
  box-shadow: 0 0 0 3px var(--parchment), 0 0 0 4px var(--gold);
  pointer-events: none;
  transform: rotate(45deg);
}
.photo-ornament   { bottom: -8px; right: -8px; }
.photo-ornament-2 { top: -8px; left: -8px; }

.hero-text { flex: 1; min-width: 0; }
.hero-eyebrow {
  font-family: 'Inter', sans-serif !important;
  font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.32em; text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: 1.4rem;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.6s forwards;
  display: flex; align-items: center; gap: 0.9rem;
}
.hero-eyebrow::before {
  content: '';
  display: inline-block;
  width: 42px; height: 1px;
  background: var(--gold);
  flex-shrink: 0;
}
.hero-eyebrow::after {
  content: '';
  display: inline-block;
  width: 42px; height: 1px;
  background: var(--gold);
  flex-shrink: 0;
  margin-left: 0.4rem;
}

.hero-name {
  font-family: 'Playfair Display', 'Cormorant Garamond', serif;
  font-size: clamp(2.4rem, 5.5vw, 4.6rem);
  font-weight: 400; line-height: 1.02;
  color: var(--ink);
  opacity: 0;
  animation: fadeUp 0.9s ease 0.8s forwards;
  margin-bottom: 0.5rem;
  word-wrap: break-word;
  position: relative;
  letter-spacing: -0.015em;
  text-shadow: 0 1px 30px rgba(0, 0, 0, 0.6), 0 0 1px rgba(236, 230, 214, 0.3);
}
.hero-name > span:first-child {
  display: block;
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.8rem;
}
.hero-name em {
  font-style: italic;
  font-weight: 900;
  color: var(--ink);
  display: inline-block;
  position: relative;
  -webkit-background-clip: initial;
  -webkit-text-fill-color: currentColor;
  background: none;
  background-clip: initial;
}
.hero-name em::before,
.hero-name em::after { content: none !important; animation: none !important; }
/* Luminous gold seal underline under the surname */
.hero-name em {
  padding-bottom: 0.12em;
  background-image: var(--gold-metal);
  background-repeat: no-repeat;
  background-size: 78% 4px;
  background-position: 0 100%;
  filter: drop-shadow(0 2px 10px rgba(205, 169, 78, 0.35));
}

.hero-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.2rem; font-weight: 400; font-style: italic;
  color: var(--burgundy);
  opacity: 0;
  animation: fadeUp 0.9s ease 1s forwards;
  margin-bottom: 0.5rem;
  letter-spacing: 0.005em;
}
.hero-title::before { content: none; }

.hero-dept {
  font-family: 'Inter', sans-serif;
  font-size: 0.76rem; font-weight: 500;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--text-secondary);
  opacity: 0;
  animation: fadeUp 0.9s ease 1.1s forwards;
  margin-bottom: 2.4rem;
}
.hero-dept::before {
  content: '\00B7';
  color: var(--gold);
  margin-right: 0.5rem;
  font-size: 1.2rem;
  vertical-align: middle;
}

.hero-tagline {
  font-family: 'Lora', serif;
  font-size: 1.08rem; font-style: italic; font-weight: 400;
  color: var(--text-body);
  line-height: 1.75;
  opacity: 0;
  animation: fadeUp 0.9s ease 1.2s forwards;
  border-left: 2px solid var(--gold);
  padding: 0.4rem 0 0.4rem 1.4rem;
  margin-bottom: 2.4rem;
  background: linear-gradient(90deg, rgba(168, 132, 58, 0.05), transparent 60%);
  position: relative;
}
.hero-tagline::before {
  content: '\201C'; /* fancy left double quote */
  position: absolute;
  top: -1.1rem; left: 0.9rem;
  font-size: 3.2rem;
  color: var(--gold);
  opacity: 0.35;
  font-family: 'Playfair Display', serif;
  line-height: 1;
  font-weight: 700;
}

.hero-tags {
  display: flex; flex-wrap: wrap; gap: 0.5rem;
  opacity: 0;
  animation: fadeUp 0.9s ease 1.4s forwards;
}
.hero-tag {
  font-family: 'Inter', sans-serif;
  font-size: 0.68rem; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase;
  border: 1px solid var(--border-strong);
  color: var(--ink-soft);
  padding: 0.42rem 0.9rem;
  transition: all 0.3s;
  background: rgba(27, 37, 66, 0.55);
  position: relative;
  text-decoration: none;
  display: inline-block;
  border-radius: 2px;
}
.hero-tag::before, .hero-tag::after { content: none; }
.hero-tag:hover {
  border-color: var(--gold-bright);
  color: var(--gold-bright);
  background: rgba(205, 169, 78, 0.12);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.5), var(--glow-soft);
}

.scroll-indicator {
  position: absolute;
  bottom: 1.6rem; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 0.6rem;
  opacity: 0;
  animation: fadeUp 1s ease 2s forwards;
  z-index: 5;
}
.scroll-indicator span {
  font-family: 'Inter', sans-serif;
  font-size: 0.62rem; font-weight: 500;
  letter-spacing: 0.32em; text-transform: uppercase;
  color: var(--text-muted);
}
.scroll-line {
  width: 1px; height: 40px;
  background: var(--gold);
  opacity: 0.75;
  animation: scrollDown 2s ease-in-out infinite;
}
@keyframes scrollDown {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn { to { opacity: 1; } }

/* ============================================================
   SECTIONS — generic
   ============================================================ */
section { padding: 6.5rem 0; position: relative; }
.container { max-width: 1140px; margin: 0 auto; padding: 0 3rem; }

.section-label {
  font-family: 'Inter', sans-serif;
  font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.34em; text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: 1rem;
  display: flex; align-items: center; gap: 1rem;
}
.section-label::before {
  content: '';
  display: block;
  width: 40px; height: 2px;
  background: var(--gold-metal);
  flex-shrink: 0;
}
.section-label::after {
  content: '';
  display: block; flex: 1; max-width: 120px; height: 1px;
  background: linear-gradient(90deg, var(--gold), transparent);
  opacity: 0.6;
}

.section-title {
  font-family: 'Playfair Display', 'Cormorant Garamond', serif;
  font-size: clamp(1.9rem, 4vw, 3.2rem);
  font-weight: 400;
  color: var(--ink);
  line-height: 1.1;
  margin-bottom: 3.2rem;
  letter-spacing: -0.012em;
}
.section-title em {
  font-style: italic;
  color: var(--burgundy);
}

.ornament-divider {
  text-align: center;
  color: var(--gold);
  font-size: 0.9rem;
  letter-spacing: 0.5em;
  opacity: 0.7;
  margin: 0 auto 3rem;
  font-family: 'Playfair Display', serif;
}

/* ============================================================
   ABOUT
   ============================================================ */
#about {
  background: var(--paper);
  position: relative;
}
#about::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 85% 15%, rgba(196, 87, 75, 0.04), transparent 45%),
    radial-gradient(ellipse at 10% 90%, rgba(168, 132, 58, 0.05), transparent 45%);
  pointer-events: none;
}
#about .container { position: relative; z-index: 1; }

.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: start; }
.about-text p {
  font-family: 'Lora', serif;
  font-size: 1.06rem; line-height: 1.85;
  color: var(--text-body);
  margin-bottom: 1.4rem;
}
/* Drop cap on the first paragraph — a classic editorial touch */
.about-text p:first-child::first-letter {
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  font-size: 4.2rem;
  line-height: 0.9;
  float: left;
  padding: 0.35rem 0.8rem 0 0;
  color: var(--burgundy);
  font-style: italic;
}
.about-text strong {
  color: var(--ink);
  font-weight: 600;
  background-image: linear-gradient(0deg, rgba(168, 132, 58, 0.22) 0%, rgba(168, 132, 58, 0.22) 22%, transparent 22%);
}
.about-text em { color: var(--burgundy); font-style: italic; }

.about-stats {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem;
  margin-bottom: 1.8rem;
}
.stat-card {
  background: var(--panel);
  border: 1px solid var(--border-hair);
  padding: 1.8rem 1.5rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
  box-shadow: var(--shadow-paper);
}
.stat-card::before {
  content: '';
  position: absolute; top: 0; left: 0;
  width: 4px; height: 100%;
  background: linear-gradient(180deg, #EBC868, #C6A03C, #8A6A22, #C6A03C, #EBC868);
}
.stat-card::after {
  content: '\2731';
  position: absolute; top: 0.9rem; right: 1rem;
  font-size: 0.75rem;
  color: var(--gold);
  opacity: 0.6;
}
.stat-card:hover {
  border-color: var(--gold);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lift);
}
.stat-number {
  font-family: 'Playfair Display', serif;
  font-size: 3rem; font-weight: 700; line-height: 1;
  font-feature-settings: "lnum" on;
  letter-spacing: -0.02em;
  background: var(--gold-metal);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 1px 1px rgba(120, 90, 20, 0.25));
}
.stat-label {
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem; font-weight: 500;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--text-secondary);
  margin-top: 0.7rem;
}

.expertise-list {
  background: var(--panel);
  border: 1px solid var(--border-hair);
  padding: 2rem 1.8rem;
  position: relative;
  box-shadow: var(--shadow-paper);
}
.expertise-list::before {
  content: 'Uzmanl\0131k';
  position: absolute;
  top: -0.65rem; left: 1.2rem;
  background: var(--paper);
  padding: 0 0.7rem;
  font-family: 'Inter', sans-serif;
  font-size: 0.62rem; font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold-deep);
}
.expertise-list h4 {
  font-family: 'Playfair Display', serif;
  font-size: 1rem; font-weight: 700;
  letter-spacing: 0.005em;
  color: var(--ink);
  margin-bottom: 1.3rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--border-hair);
  position: relative;
}
.expertise-list h4::after {
  content: '';
  position: absolute;
  left: 0; bottom: -1px;
  width: 40px; height: 1px;
  background: var(--gold);
}
.expertise-item {
  display: flex; align-items: center; gap: 0.8rem;
  font-family: 'Lora', serif;
  font-size: 0.98rem;
  color: var(--text-body);
  padding: 0.7rem 0;
  border-bottom: 1px dotted var(--border-soft);
  transition: color 0.2s, padding-left 0.2s;
  line-height: 1.4;
  cursor: default;
}
.expertise-item::before {
  content: '\203A';
  font-family: 'Playfair Display', serif;
  font-size: 0.9rem;
  color: var(--gold);
  flex-shrink: 0;
}
.expertise-item:last-child { border-bottom: none; }
.expertise-item:hover {
  color: var(--burgundy);
  padding-left: 0.5rem;
}
.expertise-item:hover::before {
  color: var(--burgundy);
}

/* ============================================================
   EDUCATION & POSITIONS — timeline
   ============================================================ */
#edpos {
  background: var(--parchment);
  position: relative;
}
#edpos::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 15% 50%, rgba(168, 132, 58, 0.05), transparent 30%),
    radial-gradient(circle at 85% 50%, rgba(196, 87, 75, 0.04), transparent 30%);
  pointer-events: none;
}
#edpos .container { position: relative; z-index: 1; }

.edpos-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; }
.edpos-col h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem; font-weight: 700;
  color: var(--ink);
  margin-bottom: 1.8rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--border-soft);
  display: flex; align-items: center; gap: 0.9rem;
  position: relative;
  letter-spacing: -0.005em;
}
.edpos-col h3::before {
  content: '';
  display: inline-block;
  width: 10px; height: 10px;
  background: var(--gold);
  transform: rotate(45deg);
  flex-shrink: 0;
}
.edpos-col h3::after {
  content: '';
  position: absolute;
  left: 0; bottom: -1px;
  width: 60px; height: 1px;
  background: var(--gold);
}

.timeline {
  position: relative;
  padding-left: 2rem;
}
.timeline::before {
  content: '';
  position: absolute; left: 0; top: 0.4rem; bottom: 0.4rem;
  width: 1px;
  background: linear-gradient(180deg, var(--gold) 0%, var(--gold-pale) 60%, transparent 100%);
}
.tl-item {
  position: relative;
  margin-bottom: 1.9rem;
  padding: 0.9rem 1.1rem;
  background: var(--panel-warm);
  border: 1px solid transparent;
  border-left: 2px solid transparent;
  transition: all 0.3s;
  cursor: default;
  border-radius: 1px;
}
.tl-item::before {
  content: '';
  position: absolute;
  left: -2.4rem; top: 1.15rem;
  width: 12px; height: 12px;
  background: var(--gold-bright);
  border: 2px solid var(--paper);
  box-shadow: 0 0 0 1px var(--gold-deep);
  transform: rotate(45deg);
  transition: transform 0.3s, background 0.3s;
}
.tl-item:hover {
  background: var(--panel);
  border-color: var(--border-soft);
  border-left-color: var(--burgundy);
  box-shadow: var(--shadow-paper);
}
.tl-item:hover::before {
  transform: rotate(135deg) scale(1.15);
  background: var(--burgundy);
}
.tl-year {
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: 0.35rem;
}
.tl-year::before, .tl-year::after { content: none; }
.tl-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.12rem; font-weight: 700;
  color: var(--ink);
  margin-bottom: 0.25rem;
  letter-spacing: -0.005em;
}
.tl-sub {
  font-family: 'Lora', serif;
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-style: italic;
  line-height: 1.6;
}
.tl-sub em { color: var(--burgundy); font-style: italic; }

/* ============================================================
   RESEARCH cards
   ============================================================ */
#research {
  background: var(--paper);
  position: relative;
}
#research::before {
  content: '';
  position: absolute; inset: 0;
  background:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px);
  background-size: 80px 100%;
  opacity: 0.5;
  mask-image: radial-gradient(ellipse at center, black, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black, transparent 80%);
  pointer-events: none;
}
#research .container { position: relative; z-index: 1; }

.research-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem;
}
.research-card {
  background: var(--panel);
  border: 1px solid var(--border-hair);
  padding: 2.2rem 1.9rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.35s, border-color 0.35s;
  box-shadow: var(--shadow-paper);
}
.research-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--gold-metal);
}
.research-card::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--burgundy) 0%, var(--gold) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s;
}
.research-card:hover {
  transform: translateY(-6px);
  border-color: var(--gold);
  box-shadow: var(--shadow-lift);
}
.research-card:hover::after { transform: scaleX(1); }

.research-icon {
  font-family: 'Playfair Display', serif;
  font-size: 1.25rem; font-weight: 700;
  font-style: italic;
  margin-bottom: 1.3rem;
  display: inline-block;
  padding: 0.5rem 1rem;
  border: 1px solid var(--gold);
  color: var(--burgundy);
  background: rgba(168, 132, 58, 0.06);
  letter-spacing: 0.02em;
  position: relative;
  border-radius: 1px;
}
.research-icon::before, .research-icon::after { content: none; }
.research-card h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.25rem; font-weight: 700;
  color: var(--ink);
  margin-bottom: 0.85rem;
  line-height: 1.3;
  letter-spacing: -0.005em;
}
.research-card p {
  font-family: 'Lora', serif;
  font-size: 0.95rem; line-height: 1.75;
  color: var(--text-body);
}

/* ============================================================
   PUBLICATIONS — catalog card style
   ============================================================ */
#publications {
  background: var(--parchment);
  position: relative;
  overflow: hidden;
}
#publications::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 15% 30%, rgba(196, 87, 75, 0.05) 0%, transparent 45%),
    radial-gradient(ellipse at 85% 70%, rgba(168, 132, 58, 0.06) 0%, transparent 45%);
  pointer-events: none;
}
#publications .container { position: relative; z-index: 1; }
#publications .section-title { color: var(--ink); }

.pub-summary {
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-align: center;
  margin: -0.6rem 0 2.2rem;
}
.pub-summary::before,
.pub-summary::after {
  content: '\002014';
  color: var(--gold-deep);
  opacity: 0.55;
  margin: 0 0.75rem;
}

.pub-category {
  margin-bottom: 1.4rem;
  border: 1px solid var(--border-soft);
  background: var(--panel);
  position: relative;
  box-shadow: var(--shadow-paper);
  border-radius: 1px;
}
.pub-category::before, .pub-category::after {
  content: '';
  position: absolute;
  width: 14px; height: 14px;
  border-color: var(--gold);
  border-style: solid;
  pointer-events: none;
}
.pub-category::before { top: -1px; left: -1px; border-width: 2px 0 0 2px; }
.pub-category::after  { bottom: -1px; right: -1px; border-width: 0 2px 2px 0; }
.pub-cat-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.4rem 1.9rem 1.4rem 2.2rem;
  cursor: pointer;
  background: linear-gradient(90deg, rgba(168, 132, 58, 0.06), transparent 60%);
  transition: background 0.3s;
  user-select: none;
  gap: 1rem;
  position: relative;
  border-bottom: 1px solid transparent;
}
.pub-category:has(.pub-cat-body.open) .pub-cat-header {
  border-bottom-color: var(--border-hair);
}
.pub-cat-header:hover { background: linear-gradient(90deg, rgba(168, 132, 58, 0.12), transparent 70%); }
.pub-cat-header::before {
  content: '';
  position: absolute;
  left: 0.9rem; top: 50%;
  transform: translateY(-50%);
  width: 6px; height: 6px;
  background: var(--gold);
  transform: translateY(-50%) rotate(45deg);
}
.pub-cat-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.3rem; font-weight: 700;
  color: var(--ink);
  display: flex; align-items: center; gap: 0.9rem;
  flex-wrap: wrap;
  letter-spacing: -0.005em;
}
.pub-cat-badge {
  font-family: 'Inter', sans-serif;
  font-size: 0.62rem; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase;
  background: var(--burgundy);
  border: 1px solid var(--burgundy);
  color: var(--parchment);
  padding: 0.24rem 0.7rem;
  white-space: nowrap;
  border-radius: 1px;
}
.pub-cat-arrow {
  color: var(--gold-deep);
  font-size: 1.15rem;
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
  width: 24px; height: 24px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.pub-cat-arrow.open { transform: rotate(180deg); }
.pub-cat-body { display: none; }
.pub-cat-body.open { display: block; animation: catReveal 0.5s ease; }
@keyframes catReveal {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.pub-item {
  padding: 1.7rem 1.9rem;
  border-top: 1px dotted var(--border-soft);
  display: grid; grid-template-columns: 90px 1fr;
  gap: 1.6rem;
  transition: background 0.3s, padding-left 0.3s;
  position: relative;
}
.pub-item:first-child { border-top: none; }
.pub-item::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 0;
  background: linear-gradient(180deg, var(--gold), var(--burgundy));
  transition: width 0.3s;
}
.pub-item:hover {
  background: rgba(168, 132, 58, 0.05);
  padding-left: 2.3rem;
}
.pub-item:hover::before { width: 3px; }

.pub-year {
  font-family: 'Playfair Display', serif;
  font-size: 1.7rem; font-weight: 700;
  padding-top: 0.05rem;
  text-align: center;
  color: var(--burgundy);
  font-feature-settings: "lnum" on;
  letter-spacing: -0.01em;
  background: none;
  -webkit-background-clip: initial;
  -webkit-text-fill-color: currentColor;
  background-clip: initial;
  filter: none;
  position: relative;
}
.pub-year::after {
  content: '';
  display: block;
  width: 24px; height: 1px;
  background: var(--gold);
  margin: 0.35rem auto 0;
}
.pub-type {
  font-family: 'Inter', sans-serif;
  font-size: 0.65rem; font-weight: 600;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: 0.5rem;
}
.pub-type::before {
  content: '';
  display: inline-block;
  width: 18px; height: 1px;
  background: var(--gold);
  vertical-align: middle;
  margin-right: 0.5rem;
}
.pub-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.1rem; font-weight: 700;
  color: var(--ink);
  line-height: 1.4;
  margin-bottom: 0.45rem;
  letter-spacing: -0.005em;
}
.pub-details {
  font-family: 'Lora', serif;
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-style: italic;
  line-height: 1.6;
  word-break: break-word;
}
.pub-index {
  font-family: 'Inter', sans-serif;
  font-size: 0.68rem; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--gold-deep);
  margin-top: 0.55rem;
}
.pub-index::before {
  content: '\2726 '; /* small star */
  color: var(--gold);
  opacity: 0.9;
}

/* ============================================================
   LANGUAGES
   ============================================================ */
#languages {
  background: var(--paper);
  position: relative;
}
.lang-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.lang-card {
  text-align: center;
  padding: 2.6rem 1.5rem;
  background: var(--panel);
  border: 1px solid var(--border-hair);
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
  box-shadow: var(--shadow-paper);
}
.lang-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gold-metal);
  transform: scaleX(0.3);
  transition: transform 0.4s;
}
.lang-card:hover {
  border-color: var(--gold);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
}
.lang-card:hover::before { transform: scaleX(1); }
.lang-flag {
  font-family: 'Playfair Display', serif;
  font-size: 2.6rem;
  font-weight: 700;
  font-style: italic;
  margin-bottom: 1rem;
  display: block;
  color: var(--burgundy);
  letter-spacing: 0.02em;
}
.lang-name {
  font-family: 'Playfair Display', serif;
  font-size: 1.35rem; font-weight: 700;
  color: var(--ink);
  margin-bottom: 0.45rem;
  letter-spacing: -0.005em;
}
.lang-level {
  font-family: 'Inter', sans-serif;
  font-size: 0.68rem; font-weight: 500;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 1.3rem;
}
.lang-bar-bg {
  width: 100%; height: 6px;
  background: var(--paper-aged);
  border: 1px solid var(--border-hair);
  position: relative;
  overflow: hidden;
  border-radius: 3px;
}
.lang-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--gold-deep), var(--gold), var(--gold-bright), var(--gold));
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 1.4s cubic-bezier(0.2, 0.8, 0.2, 1);
  position: relative;
}
.lang-bar-fill::after { content: none; }
.lang-bar-fill.animated { transform: scaleX(var(--fill)); }

/* ============================================================
   CERTIFICATES & AWARDS & PROJECTS
   ============================================================ */
#certs {
  background: var(--parchment);
  position: relative;
}

.certs-tabs {
  display: flex; gap: 0;
  margin-bottom: 2.6rem;
  border-bottom: 1px solid var(--border-soft);
  flex-wrap: wrap;
  position: relative;
}
.cert-tab {
  font-family: 'Inter', sans-serif;
  font-size: 0.76rem; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase;
  padding: 1rem 1.7rem;
  cursor: pointer;
  color: var(--text-secondary);
  border: 1px solid transparent;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all 0.3s;
  background: none;
  min-height: 44px;
  position: relative;
}
.cert-tab::before, .cert-tab::after { content: none; }
.cert-tab.active {
  color: var(--burgundy);
  border-bottom-color: var(--gold);
  background: rgba(168, 132, 58, 0.06);
}
.cert-tab:hover { color: var(--ink); }

.cert-panel { display: none; }
.cert-panel.active { display: block; animation: catReveal 0.4s ease; }
.cert-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem;
}
.cert-card {
  background: var(--panel);
  border: 1px solid var(--border-hair);
  padding: 1.5rem 1.3rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
  box-shadow: var(--shadow-paper);
}
.cert-card::before {
  content: '';
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, #EBC868, #C6A03C, #8A6A22, #C6A03C, #EBC868);
}
.cert-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lift);
  border-color: var(--gold);
}
.cert-year {
  font-family: 'Inter', sans-serif;
  font-size: 0.72rem; font-weight: 600;
  color: var(--gold-deep);
  letter-spacing: 0.16em;
  margin-bottom: 0.55rem;
}
.cert-year::before, .cert-year::after { content: none; }
.cert-name {
  font-family: 'Playfair Display', serif;
  font-size: 1.05rem; font-weight: 700;
  color: var(--ink);
  line-height: 1.4;
  margin-bottom: 0.45rem;
  letter-spacing: -0.005em;
}
.cert-inst {
  font-family: 'Lora', serif;
  font-size: 0.82rem;
  color: var(--text-secondary);
  font-style: italic;
  line-height: 1.5;
}
.cert-badge {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-size: 0.6rem; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase;
  padding: 0.22rem 0.7rem;
  margin-top: 0.7rem;
  border: 1px solid var(--border-strong);
  color: var(--gold-deep);
  background: rgba(168, 132, 58, 0.05);
}

.award-list { display: flex; flex-direction: column; gap: 0.9rem; }
.award-item {
  display: grid; grid-template-columns: 78px 1fr;
  gap: 1.3rem; align-items: start;
  background: var(--panel);
  border: 1px solid var(--border-hair);
  padding: 1.3rem 1.5rem;
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
  box-shadow: var(--shadow-paper);
}
.award-item:hover {
  background: var(--panel);
  border-color: var(--gold);
  transform: translateX(3px);
  box-shadow: var(--shadow-lift);
}
.award-yr {
  font-family: 'Playfair Display', serif;
  font-size: 1.6rem; font-weight: 700;
  text-align: center;
  color: var(--burgundy);
  padding-top: 0.1rem;
  background: none;
  -webkit-background-clip: initial;
  -webkit-text-fill-color: currentColor;
  background-clip: initial;
  filter: none;
  font-feature-settings: "lnum" on;
  letter-spacing: -0.01em;
  position: relative;
}
.award-yr::after {
  content: '';
  display: block;
  width: 20px; height: 1px;
  background: var(--gold);
  margin: 0.3rem auto 0;
}
.award-name {
  font-family: 'Playfair Display', serif;
  font-size: 1.06rem; font-weight: 700;
  color: var(--ink);
  margin-bottom: 0.3rem;
  line-height: 1.4;
  letter-spacing: -0.005em;
}
.award-inst {
  font-family: 'Lora', serif;
  font-size: 0.82rem;
  color: var(--text-secondary);
  font-style: italic;
}
.award-type {
  font-family: 'Inter', sans-serif;
  font-size: 0.64rem; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--gold-deep);
  margin-top: 0.4rem;
}

.proj-item {
  background: var(--panel);
  border: 1px solid var(--border-hair);
  padding: 1.7rem 1.9rem;
  margin-bottom: 1rem;
  position: relative;
  transition: border-color 0.25s, box-shadow 0.25s;
  box-shadow: var(--shadow-paper);
}
.proj-item::before {
  content: '';
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--burgundy), var(--gold));
}
.proj-item:hover {
  border-color: var(--gold);
  box-shadow: var(--shadow-lift);
}
.proj-year {
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: 0.55rem;
}
.proj-name {
  font-family: 'Playfair Display', serif;
  font-size: 1.2rem; font-weight: 700;
  color: var(--ink);
  margin-bottom: 0.5rem;
  line-height: 1.4;
  letter-spacing: -0.005em;
}
.proj-detail {
  font-family: 'Lora', serif;
  font-size: 0.9rem;
  color: var(--text-body);
  line-height: 1.7;
}
.proj-status {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-size: 0.6rem; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase;
  padding: 0.24rem 0.75rem;
  margin-top: 0.7rem;
  background: rgba(168, 132, 58, 0.1);
  border: 1px solid var(--border-strong);
  color: var(--gold-deep);
  border-radius: 1px;
}
.proj-status::before {
  content: '\25CF  ';
  color: var(--gold);
  font-size: 0.7rem;
}

/* ============================================================
   CONTACT
   ============================================================ */
#contact {
  background: var(--paper);
  position: relative;
}
#contact::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 100%, rgba(196, 87, 75, 0.05), transparent 50%);
  pointer-events: none;
}
#contact .container { position: relative; z-index: 1; }

.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 5rem;
  align-items: start;
}
.contact-item {
  display: flex; align-items: flex-start; gap: 1.3rem;
  margin-bottom: 1.9rem;
  padding: 0.6rem;
  transition: background 0.25s;
  border-radius: 2px;
}
.contact-item:hover { background: rgba(168, 132, 58, 0.05); }
.contact-icon {
  width: 48px; height: 48px;
  flex-shrink: 0;
  border: 1px solid var(--gold);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Playfair Display', serif;
  font-size: 1.15rem; font-weight: 700;
  color: var(--gold-deep);
  background: rgba(168, 132, 58, 0.06);
  position: relative;
  transition: all 0.25s;
}
.contact-icon::before, .contact-icon::after {
  content: '';
  position: absolute;
  width: 8px; height: 8px;
  border-color: var(--gold);
  border-style: solid;
}
.contact-icon::before { top: -1px; left: -1px; border-width: 1px 0 0 1px; }
.contact-icon::after  { bottom: -1px; right: -1px; border-width: 0 1px 1px 0; }
.contact-item:hover .contact-icon {
  border-color: var(--burgundy);
  color: var(--burgundy);
  background: rgba(196, 87, 75, 0.06);
}
.contact-label {
  font-family: 'Inter', sans-serif;
  font-size: 0.66rem; font-weight: 600;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}
.contact-label::before { content: none; }
.contact-value {
  font-family: 'Lora', serif;
  font-size: 0.97rem;
  color: var(--text-body);
  line-height: 1.55;
  word-break: break-word;
}
.contact-value a { color: var(--ink); text-decoration: none; transition: color 0.25s; border-bottom: 1px solid transparent; }
.contact-value a:hover { color: var(--burgundy); border-bottom-color: var(--gold); }

.contact-links { display: flex; flex-direction: column; gap: 0.9rem; }
.ext-link {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.2rem 1.5rem;
  border: 1px solid var(--border-soft);
  text-decoration: none;
  color: var(--ink);
  transition: all 0.3s;
  background: var(--panel);
  min-height: 58px;
  gap: 0.9rem;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-paper);
}
.ext-link::before {
  content: '';
  position: absolute; top: 0; left: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--gold), var(--burgundy));
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.35s;
}
.ext-link:hover {
  border-color: var(--gold);
  background: var(--panel-warm);
  transform: translateX(4px);
  box-shadow: var(--shadow-lift);
}
.ext-link:hover::before { transform: scaleY(1); }
.ext-link span:first-child {
  font-family: 'Playfair Display', serif;
  font-size: 1rem; font-weight: 700;
  letter-spacing: -0.005em;
  flex: 1;
  line-height: 1.3;
  position: relative;
  z-index: 1;
  color: var(--ink);
}
.ext-link .arrow {
  color: var(--gold-deep);
  font-size: 1.15rem;
  flex-shrink: 0;
  transition: transform 0.25s, color 0.25s;
  position: relative;
  z-index: 1;
}
.ext-link:hover .arrow {
  color: var(--burgundy);
  transform: translateX(4px);
}

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  background: var(--parchment);
  padding: 3rem 3rem calc(3rem + var(--safe-bottom));
  display: flex; align-items: center; justify-content: space-between;
  border-top: 1px solid var(--border-soft);
  flex-wrap: wrap;
  gap: 1rem;
  position: relative;
}
footer::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, #8A6A22, var(--gold-bright), #FBEFC6, var(--gold-bright), #8A6A22, transparent);
  opacity: 0.9;
}
footer p {
  font-family: 'Lora', serif;
  font-size: 0.86rem; font-style: italic;
  color: var(--text-secondary);
  letter-spacing: 0.01em;
}
.footer-ornament {
  font-family: 'Playfair Display', serif;
  font-size: 1.6rem;
  color: var(--gold);
  opacity: 0.75;
}

.signature-bar {
  background:
    linear-gradient(180deg,
      var(--parchment)  0%,
      #0D1322          52%,
      var(--paper)     100%);
  padding: 1.25rem 1.5rem calc(1.35rem + var(--safe-bottom));
  text-align: center;
  position: relative;
  isolation: isolate;
}
/* Footer ile arasindaki tek ayrac: ortada parlayip kenarlarda sonen pirinc tel */
.signature-bar::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(199, 159, 69, 0.30) 20%,
    rgba(242, 213, 132, 0.62) 50%,
    rgba(199, 159, 69, 0.30) 80%,
    transparent 100%);
}
/* Ustten gelen yumusak golge: bar footer'in devami gibi otursun */
.signature-bar::after {
  content: '';
  position: absolute; top: 1px; left: 0; right: 0;
  height: 26px;
  pointer-events: none;
  z-index: -1;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.22) 0%, transparent 100%);
}
.signature-bar p {
  color: var(--text-secondary);
  font-family: 'Inter', sans-serif;
  font-size: 0.82rem; font-weight: 400;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  margin: 0;
  font-style: normal;
  display: inline-flex; align-items: center; justify-content: center;
  gap: 0.65rem; flex-wrap: wrap;
}
.signature-bar .sig-seal {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 1px solid var(--gold-deep);
  background: rgba(205, 169, 78, 0.10);
  color: var(--gold-bright);
  font-family: 'Playfair Display', serif;
  font-size: 0.70rem;
  letter-spacing: 0.02em;
  flex: 0 0 auto;
}
.signature-bar a {
  color: var(--gold-bright);
  font-weight: 600;
  text-decoration: none;
  letter-spacing: 0.08em;
  border-bottom: 1px solid var(--gold-deep);
  padding-bottom: 1px;
  transition: color 0.3s, border-color 0.3s;
}
.signature-bar a:hover {
  color: #FBEFC6;
  border-bottom-color: #FBEFC6;
}

/* ============================================================
   ACADEMIC SERVICE - peer review & committee work
   ============================================================ */
.svc-intro {
  font-family: 'Lora', serif;
  font-size: 1rem;
  color: var(--text-body);
  max-width: 62ch;
  margin: 0 auto 2.4rem;
  text-align: center;
  line-height: 1.75;
}
.svc-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 2.4rem;
}
.svc-venues {
  border: 1px solid var(--border-soft);
  background: var(--panel);
  box-shadow: var(--shadow-paper);
  position: relative;
  border-radius: 1px;
  padding: 0.4rem 0;
}
.svc-venues::before, .svc-venues::after {
  content: '';
  position: absolute;
  width: 14px; height: 14px;
  border-color: var(--gold);
  border-style: solid;
  pointer-events: none;
}
.svc-venues::before { top: -1px; left: -1px; border-width: 2px 0 0 2px; }
.svc-venues::after  { bottom: -1px; right: -1px; border-width: 0 2px 2px 0; }
.svc-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: baseline;
  gap: 1.2rem;
  padding: 1.1rem 1.6rem;
  border-bottom: 1px solid var(--border-navy);
}
.svc-row:last-child { border-bottom: none; }
.svc-row:hover { background: rgba(205, 169, 78, 0.05); }
.svc-venue {
  font-family: 'Lora', serif;
  font-size: 1rem;
  color: var(--text-primary);
}
.svc-venue em {
  display: block;
  font-family: 'Inter', sans-serif;
  font-size: 0.72rem;
  font-style: normal;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 0.3rem;
}
.svc-count {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  color: var(--gold-bright);
  line-height: 1;
  white-space: nowrap;
}
.svc-count span {
  font-family: 'Inter', sans-serif;
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-left: 0.4rem;
}
.svc-span {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.78rem;
  color: var(--text-secondary);
  white-space: nowrap;
  min-width: 5.6rem;
  text-align: right;
}
.svc-committee {
  margin-top: 1.6rem;
  border: 1px solid var(--border-hair);
  border-left: 3px solid var(--gold-deep);
  background: var(--panel-warm);
  padding: 1.3rem 1.6rem;
}
.svc-committee .svc-kicker {
  font-family: 'Inter', sans-serif;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: 0.5rem;
}
.svc-committee .svc-name {
  font-family: 'Lora', serif;
  font-size: 1rem;
  color: var(--text-primary);
  line-height: 1.55;
}
.svc-committee .svc-meta {
  font-family: 'Inter', sans-serif;
  font-size: 0.76rem;
  color: var(--text-secondary);
  margin-top: 0.45rem;
}
.svc-note {
  font-family: 'Inter', sans-serif;
  font-size: 0.74rem;
  letter-spacing: 0.03em;
  color: var(--text-muted);
  text-align: center;
  margin-top: 1.5rem;
  line-height: 1.6;
}

/* ============================================================
   REVEAL ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ============================================================
   RESPONSIVE - tablet
   ============================================================ */
@media (max-width: 900px) {
  .hamburger { display: flex; }
  .nav-links {
    display: none;
    position: fixed;
    top: calc(60px + var(--safe-top));
    left: 0; right: 0;
    background: rgba(10, 14, 26, 0.97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: stretch;
    border-bottom: 1px solid var(--border-soft);
    z-index: 200;
    justify-content: flex-start;
    max-height: calc(100vh - 60px - var(--safe-top));
    max-height: calc(100dvh - 60px - var(--safe-top));
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 0;
    box-shadow: 0 8px 24px rgba(60, 45, 15, 0.15);
  }
  .nav-links.open { display: flex; animation: slideDown 0.3s ease; }
  @keyframes slideDown { from { opacity: 0; transform: translateY(-12px); } to { opacity: 1; transform: translateY(0); } }
  .nav-links li { border-bottom: 1px solid var(--border-hair); list-style: none; }
  .nav-links li a {
    display: block;
    padding: 1rem 1.5rem;
    font-size: 0.82rem; letter-spacing: 0.18em;
    min-height: 48px;
    line-height: 1.4;
  }
  .nav-links li a::after { display: none; }
  body.nav-open { overflow: hidden; }

  nav { padding: var(--safe-top) 1.5rem 0; }
  .container { padding: 0 2rem; }
  .hero-content { gap: 3rem; padding: 3rem 2rem; }
  .photo-frame { width: 220px; height: 275px; }
  .about-grid, .contact-grid, .edpos-grid { grid-template-columns: 1fr; gap: 3rem; }
  .research-grid { grid-template-columns: repeat(2, 1fr); gap: 1.3rem; }
  .lang-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================================
   RESPONSIVE - mobile
   ============================================================ */
@media (max-width: 768px) {
  nav { padding: var(--safe-top) 1rem 0; height: calc(60px + var(--safe-top)); }
  .nav-logo { font-size: 1.15rem; }

  .nav-lang-row {
    display: flex !important;
    gap: 0.4rem;
    padding: 1rem 1.5rem;
    background: rgba(168, 132, 58, 0.06);
    align-items: center;
    justify-content: center;
    list-style: none;
  }
  .nav-lang-row .lang-btn {
    font-size: 1.3rem;
    min-width: 44px; min-height: 44px;
    padding: 0.4rem;
  }
  .lang-switcher { display: none !important; }
  .hamburger { display: flex; }

  #hero {
    padding-top: calc(60px + var(--safe-top));
    min-height: 100vh;
    min-height: 100dvh;
  }
  .hero-content {
    flex-direction: column;
    gap: 2rem;
    padding: 2.5rem 1.5rem 4.5rem;
    text-align: center;
    align-items: center;
  }
  .photo-frame { width: 200px; height: 250px; }
  .hero-eyebrow { justify-content: center; font-size: 0.68rem; }
  .hero-name { font-size: 2.4rem; line-height: 1.1; }
  .hero-name > span:first-child { font-size: 0.72rem; }
  .hero-title { font-size: 1.05rem; margin-bottom: 1.4rem; }
  .hero-dept { font-size: 0.7rem; margin-bottom: 1.8rem; }
  .hero-tagline {
    font-size: 1rem;
    text-align: left;
    margin-bottom: 1.8rem;
  }
  .hero-tags { justify-content: center; gap: 0.4rem; }
  .hero-tag { font-size: 0.62rem; padding: 0.35rem 0.7rem; }
  .scroll-indicator { bottom: 1rem; }

  section { padding: 4.5rem 0; }
  .container { padding: 0 1.35rem; }
  .section-title { font-size: 1.9rem; margin-bottom: 2.2rem; }
  .section-label { font-size: 0.66rem; letter-spacing: 0.24em; }
  .section-label::after { max-width: 46px; }

  .about-grid { gap: 2.2rem; }
  .about-text p { font-size: 1rem; line-height: 1.8; }
  .about-text p:first-child::first-letter { font-size: 3.4rem; }
  .about-stats { gap: 0.9rem; }
  .stat-card { padding: 1.4rem 1.1rem; }
  .stat-number { font-size: 2.4rem; }
  .stat-label { font-size: 0.65rem; }
  .expertise-list { padding: 1.6rem 1.4rem; }
  .expertise-item { font-size: 0.94rem; padding: 0.65rem 0; }

  .edpos-grid { gap: 2.5rem; }
  .edpos-col h3 { font-size: 1.3rem; }
  .timeline { padding-left: 1.65rem; }
  .tl-item::before { left: -2.05rem; }
  .tl-title { font-size: 1.05rem; }
  .tl-sub { font-size: 0.85rem; }

  .research-grid { grid-template-columns: 1fr; gap: 1rem; }
  .research-card { padding: 1.7rem 1.5rem; }
  .research-card h3 { font-size: 1.15rem; }
  .research-card p { font-size: 0.9rem; }

  .pub-cat-header { padding: 1.2rem 1.3rem 1.2rem 1.9rem; gap: 0.8rem; }
  .pub-cat-title { font-size: 1.1rem; gap: 0.55rem; }
  .pub-cat-badge { font-size: 0.56rem; padding: 0.2rem 0.55rem; }
  .pub-item {
    grid-template-columns: 1fr;
    gap: 0.5rem;
    padding: 1.3rem;
  }
  .pub-item:hover { padding-left: 1.6rem; }
  .pub-year { font-size: 1.15rem; text-align: left; padding-top: 0; }
  .pub-year::after { margin: 0.2rem 0 0; }
  .pub-type { font-size: 0.62rem; margin-bottom: 0.3rem; }
  .pub-title { font-size: 1rem; line-height: 1.45; }
  .pub-details { font-size: 0.82rem; }
  .pub-index { font-size: 0.66rem; }

  .lang-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
  .lang-card { padding: 1.9rem 1rem; }
  .lang-flag { font-size: 2.1rem; }
  .lang-name { font-size: 1.2rem; }

  .certs-tabs {
    overflow-x: auto; flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    margin-bottom: 1.8rem;
  }
  .certs-tabs::-webkit-scrollbar { display: none; }
  .cert-tab {
    white-space: nowrap;
    padding: 0.75rem 1.15rem;
    font-size: 0.72rem;
    flex-shrink: 0;
  }
  .cert-grid { grid-template-columns: 1fr; gap: 0.85rem; }
  .cert-card { padding: 1.3rem 1.2rem; }
  .award-item { grid-template-columns: 60px 1fr; gap: 1rem; padding: 1.1rem 1.15rem; }
  .award-yr { font-size: 1.35rem; }
  .award-name { font-size: 0.98rem; }
  .award-inst { font-size: 0.78rem; }
  .proj-item { padding: 1.4rem; }
  .proj-name { font-size: 1.08rem; }
  .proj-detail { font-size: 0.85rem; }

  .contact-grid { gap: 2.5rem; }
  .contact-item { gap: 1.05rem; margin-bottom: 1.5rem; padding: 0.4rem; }
  .contact-icon { width: 44px; height: 44px; font-size: 1rem; }
  .contact-value { font-size: 0.92rem; }
  .ext-link { padding: 1.05rem 1.25rem; min-height: 54px; }
  .ext-link span:first-child { font-size: 0.94rem; }

  footer {
    flex-direction: column;
    gap: 0.7rem;
    text-align: center;
    padding: 2rem 1.35rem calc(2rem + var(--safe-bottom));
  }
  footer p { font-size: 0.82rem; }
}

@media (max-width: 480px) {
  nav { padding: var(--safe-top) 0.85rem 0; }
  body::before { opacity: 0.6; }

  .hero-content { padding: 2rem 1.25rem 3.5rem; gap: 1.5rem; }
  .photo-frame { width: 175px; height: 220px; }
  .hero-name { font-size: 2rem; }
  .hero-name > span:first-child { font-size: 0.68rem; }
  .hero-title { font-size: 0.98rem; }
  .hero-dept { font-size: 0.68rem; }
  .hero-tagline { font-size: 0.94rem; }
  .hero-tag { font-size: 0.58rem; padding: 0.3rem 0.6rem; }

  section { padding: 3.5rem 0; }
  .container { padding: 0 1.1rem; }
  .section-title { font-size: 1.7rem; margin-bottom: 1.8rem; }

  .about-stats { grid-template-columns: 1fr 1fr; gap: 0.75rem; }
  .stat-card { padding: 1.1rem 0.9rem; }
  .stat-number { font-size: 1.95rem; }

  .lang-grid { grid-template-columns: repeat(2, 1fr); gap: 0.8rem; }
  .lang-card { padding: 1.5rem 0.85rem; }

  .pub-cat-header { padding: 1.05rem 1.1rem 1.05rem 1.75rem; }
  .pub-cat-title { font-size: 1rem; }
  .pub-item { padding: 1.1rem; }

  .cert-tab { padding: 0.7rem 0.95rem; font-size: 0.7rem; }
  .award-item { grid-template-columns: 52px 1fr; gap: 0.8rem; padding: 1rem 1.05rem; }

  .ext-link { padding: 0.95rem 1.05rem; }
  .ext-link span:first-child { font-size: 0.88rem; }

  footer p { font-size: 0.78rem; }
  .svc-stats { grid-template-columns: repeat(2, 1fr); gap: 0.8rem; }
  .svc-row { grid-template-columns: 1fr auto; gap: 0.7rem 1rem; padding: 1rem 1.1rem; }
  .svc-span { grid-column: 1 / -1; text-align: left; min-width: 0; }
  .svc-venue { font-size: 0.94rem; }
  .svc-count { font-size: 1.3rem; }
  .svc-intro { font-size: 0.94rem; text-align: left; }
  .svc-committee { padding: 1.1rem 1.15rem; }
  .signature-bar p { font-size: 0.76rem; letter-spacing: 0.08em; gap: 0.5rem; }
  .signature-bar .sig-seal { width: 24px; height: 24px; font-size: 0.64rem; }
}

@media (max-width: 900px) and (orientation: landscape) and (max-height: 500px) {
  #hero { min-height: auto; padding: calc(70px + var(--safe-top)) 0 3rem; }
  .hero-content { padding: 1.5rem 2rem; flex-direction: row; gap: 2rem; text-align: left; }
  .hero-eyebrow { justify-content: flex-start; }
  .hero-tags { justify-content: flex-start; }
  .photo-frame { width: 160px; height: 200px; }
  .hero-name { font-size: 2rem; }
  .scroll-indicator { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .silk-path, .city-dot, .scroll-line { animation: none; }
  html { scroll-behavior: auto; }
}

@supports (padding: max(0px)) {
  nav {
    padding-left: max(2.5rem, env(safe-area-inset-left));
    padding-right: max(2.5rem, env(safe-area-inset-right));
  }
}

/* Hide Blogger blog widget — content hardcoded */
#main, .widget.Blog, #Blog1 {
  display: none !important;
}