/* ===== Portfolyo — Sıcak editorial tema (açık & koyu) ===== */
@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,600;0,9..144,700;1,9..144,400&family=Outfit:wght@400;500;600;700&display=swap');

:root {
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: 'Outfit', system-ui, sans-serif;
  --font-display: 'Fraunces', Georgia, serif;
  --site-header-height: 5.25rem;
  --site-header-total: calc(3px + var(--site-header-height));
}

/* Koyu tema (varsayılan) */
:root,
[data-theme="dark"] {
  --color-bg: #0c0a09;
  --color-bg-elevated: #1c1917;
  --color-bg-card: #1c1917;
  --color-surface: #292524;
  --color-primary: #f59e0b;
  --color-primary-hover: #fbbf24;
  --color-accent: #fb923c;
  --color-accent-muted: #fdba74;
  --color-text: #fafaf9;
  --color-text-muted: #a8a29e;
  --color-border: rgba(245, 158, 11, 0.14);
  --gradient-hero: radial-gradient(ellipse 120% 80% at 50% -30%, rgba(245, 158, 11, 0.18) 0%, transparent 55%),
    radial-gradient(ellipse 80% 50% at 100% 0%, rgba(251, 146, 60, 0.12) 0%, transparent 45%),
    linear-gradient(180deg, #0c0a09 0%, #1c1917 55%, #0c0a09 100%);
  --gradient-accent: linear-gradient(135deg, #ea580c 0%, #f59e0b 45%, #fbbf24 100%);
  --gradient-card: linear-gradient(165deg, rgba(41, 37, 36, 0.95) 0%, rgba(12, 10, 9, 0.98) 100%);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 20px 40px -12px rgba(0, 0, 0, 0.55);
  --shadow-glow: 0 0 60px rgba(245, 158, 11, 0.12);
  --btn-outline-color: #f59e0b;
  --alert-success-bg: rgba(34, 197, 94, 0.12);
  --alert-success-text: #86efac;
  --noise-opacity: 0.035;
}

[data-theme="light"] {
  --color-bg: #fafaf9;
  --color-bg-elevated: #ffffff;
  --color-bg-card: #ffffff;
  --color-surface: #e7e5e4;
  --color-primary: #c2410c;
  --color-primary-hover: #ea580c;
  --color-accent: #ea580c;
  --color-accent-muted: #f97316;
  --color-text: #1c1917;
  --color-text-muted: #57534e;
  --color-border: rgba(28, 25, 23, 0.1);
  --gradient-hero: radial-gradient(ellipse 100% 70% at 50% -20%, rgba(251, 146, 60, 0.15) 0%, transparent 50%),
    linear-gradient(180deg, #fffbeb 0%, #fafaf9 40%, #f5f5f4 100%);
  --gradient-accent: linear-gradient(135deg, #c2410c 0%, #ea580c 50%, #f59e0b 100%);
  --gradient-card: linear-gradient(180deg, #ffffff 0%, #fafaf9 100%);
  --shadow-sm: 0 1px 3px rgba(28, 25, 23, 0.06);
  --shadow-md: 0 12px 32px rgba(28, 25, 23, 0.08);
  --shadow-lg: 0 24px 48px -16px rgba(28, 25, 23, 0.12);
  --shadow-glow: 0 0 48px rgba(234, 88, 12, 0.08);
  --btn-outline-color: #c2410c;
  --alert-success-bg: rgba(34, 197, 94, 0.12);
  --alert-success-text: #166534;
  --noise-opacity: 0.04;
}

* { box-sizing: border-box; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  letter-spacing: 0.01em;
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  opacity: var(--noise-opacity);
  z-index: 0;
}

body > * {
  position: relative;
  z-index: 1;
}

/* ===== Site header (özel üst çubuk) ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1030;
  background: color-mix(in srgb, var(--color-bg-elevated) 92%, transparent);
  backdrop-filter: blur(18px) saturate(1.2);
  -webkit-backdrop-filter: blur(18px) saturate(1.2);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.12);
}

[data-theme="light"] .site-header {
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow-sm);
}

.site-header__accent {
  height: 3px;
  background: var(--gradient-accent);
  opacity: 0.95;
}

.site-header__wrap {
  padding-left: 0.75rem;
  padding-right: 0.75rem;
}

.site-header__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1rem;
  min-height: var(--site-header-height);
  padding: 0.5rem 0;
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
  flex-shrink: 0;
}

.site-header__brand:hover {
  color: inherit;
}

.site-header__monogram {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  color: #fff;
  background: var(--gradient-accent);
  box-shadow: 0 4px 14px rgba(234, 88, 12, 0.35);
  line-height: 1;
}

.site-header__brand-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.1rem;
  line-height: 1.2;
}

.site-header__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.site-header__role {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.site-header__drawer-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-left: auto;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
  transition: var(--transition);
}

.site-header__drawer-btn:hover {
  border-color: rgba(245, 158, 11, 0.4);
  background: rgba(245, 158, 11, 0.08);
}

.site-header__drawer-lines {
  position: relative;
  width: 20px;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: transform var(--transition), background var(--transition);
}

.site-header__drawer-lines::before,
.site-header__drawer-lines::after {
  content: '';
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: transform var(--transition), top var(--transition);
}

.site-header__drawer-lines::before {
  top: -7px;
}

.site-header__drawer-lines::after {
  top: 7px;
}

.site-header__drawer-btn[aria-expanded="true"] .site-header__drawer-lines {
  background: transparent;
}

.site-header__drawer-btn[aria-expanded="true"] .site-header__drawer-lines::before {
  top: 0;
  transform: rotate(45deg);
}

.site-header__drawer-btn[aria-expanded="true"] .site-header__drawer-lines::after {
  top: 0;
  transform: rotate(-45deg);
}

.site-header__drawer {
  width: 100%;
  flex-basis: 100%;
}

.site-header__list {
  list-style: none;
  margin: 0;
  padding: 0.5rem 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.site-header__link {
  display: block;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition);
  border: 1px solid transparent;
}

.site-header__link:hover {
  color: var(--color-text);
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.15);
}

[data-theme="light"] .site-header__link:hover {
  background: rgba(234, 88, 12, 0.07);
}

.site-header__tools {
  display: flex;
  justify-content: flex-start;
  padding: 0.75rem 0 0.25rem;
  border-top: 1px solid var(--color-border);
  margin-top: 0.35rem;
}

@media (min-width: 992px) {
  .site-header__drawer-btn {
    display: none;
  }

  .site-header__drawer.collapse {
    display: flex !important;
    height: auto !important;
    overflow: visible !important;
  }

  .site-header__drawer {
    width: auto;
    flex: 1;
    flex-basis: auto;
    flex-direction: row;
    align-items: center;
    justify-content: flex-end;
    gap: 1rem;
    padding: 0;
  }

  .site-header__list {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: 0.25rem;
    padding: 0;
  }

  .site-header__link {
    padding: 0.5rem 0.95rem;
    border: 1px solid transparent;
  }

  .site-header__nav {
    padding: 0.2rem 0.35rem;
    border-radius: 999px;
    background: rgba(245, 158, 11, 0.06);
    border: 1px solid var(--color-border);
  }

  [data-theme="light"] .site-header__nav {
    background: rgba(234, 88, 12, 0.06);
  }

  .site-header__tools {
    padding: 0;
    margin: 0;
    border: none;
  }
}

@media (max-width: 991.98px) {
  .site-header__drawer {
    order: 3;
  }
}

/* ===== Theme toggle ===== */
.theme-toggle {
  width: 42px;
  height: 42px;
  min-width: 42px;
  min-height: 42px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: var(--transition);
}

.theme-toggle--header {
  border-radius: 999px;
}

.theme-toggle:hover {
  color: var(--color-primary);
  border-color: rgba(245, 158, 11, 0.35);
  background: rgba(245, 158, 11, 0.08);
}

.theme-toggle span {
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 0;
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
  display: block;
  flex-shrink: 0;
}

/* ===== Hero ===== */
.hero-kicker {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.15rem, 5vw, 3.5rem);
  line-height: 1.15;
  color: var(--color-text) !important;
  letter-spacing: -0.03em;
  margin-top: 0;
  padding-top: 0.25rem;
}

[data-theme="dark"] .hero-title {
  background: linear-gradient(135deg, #fffbeb 0%, #fde68a 35%, #fafaf9 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  color: var(--color-text-muted);
  font-size: 1.08rem;
  line-height: 1.85;
  max-width: 40rem;
  margin-left: auto;
  margin-right: auto;
  font-weight: 400;
}

/* ===== Section title ===== */
.section-title {
  font-family: var(--font-display);
  color: var(--color-text);
  font-weight: 700;
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  margin-bottom: 2rem;
  padding-left: 1rem;
  border-left: 4px solid var(--color-primary);
  letter-spacing: -0.02em;
}

.section-title::after {
  display: none;
}

/* ===== Cards ===== */
.card-modern {
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  height: 100%;
  position: relative;
}

.card-modern::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.25), transparent 40%, transparent);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition);
}

.card-modern:hover::before {
  opacity: 1;
}

.card-modern .card-title {
  color: var(--color-text) !important;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  line-height: 1.35;
}

.card-modern .card-text {
  color: var(--color-text-muted) !important;
  line-height: 1.65;
  font-size: 0.98rem;
}

.blog-card .card-title {
  margin-bottom: 0.5rem;
}

/* ===== Buttons ===== */
.btn-outline-primary {
  border-color: var(--btn-outline-color) !important;
  color: var(--btn-outline-color) !important;
}

.btn-outline-primary:hover {
  background: rgba(245, 158, 11, 0.12) !important;
  border-color: var(--color-primary-hover) !important;
  color: var(--color-primary-hover) !important;
}

.btn-outline-danger {
  border-color: #ef4444 !important;
  color: #ef4444 !important;
}

.btn-outline-danger:hover {
  background: rgba(239, 68, 68, 0.12) !important;
  color: #dc2626 !important;
}

.btn-secondary {
  background: var(--color-surface) !important;
  border-color: var(--color-border) !important;
  color: var(--color-text) !important;
}

.btn-secondary:hover {
  background: var(--color-border) !important;
  color: var(--color-text) !important;
}

.btn-modern {
  background: var(--gradient-accent);
  border: none;
  color: #fff !important;
  font-weight: 600;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 14px rgba(234, 88, 12, 0.35);
}

.btn-modern:hover {
  color: #fff !important;
  filter: brightness(1.05);
  box-shadow: 0 6px 20px rgba(234, 88, 12, 0.45);
}

.btn-outline-modern {
  border: 2px solid var(--color-primary);
  color: var(--color-primary) !important;
  background: transparent;
  border-radius: var(--radius-md);
  font-weight: 600;
}

.btn-outline-modern:hover {
  background: rgba(245, 158, 11, 0.12);
  color: var(--color-primary-hover) !important;
  border-color: var(--color-primary-hover);
}

/* ===== Text ===== */
.text-muted {
  color: var(--color-text-muted) !important;
  line-height: 1.65;
}

.text-white-50 {
  color: var(--color-text-muted) !important;
  line-height: 1.7;
}

small.text-muted {
  color: var(--color-text-muted) !important;
}

p.lead {
  color: var(--color-text-muted) !important;
  line-height: 1.85;
  max-width: 42rem;
}

.biography-paragraphs p {
  margin-bottom: 0.75rem;
}

.biography-paragraphs p:last-child {
  margin-bottom: 0;
}

.bio-text,
.section-intro {
  color: var(--color-text-muted) !important;
  font-size: 1.05rem;
  line-height: 1.85;
  max-width: 42rem;
}

/* ===== Skills ===== */
.skill-item {
  margin-bottom: 0;
}

.skill-item-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.5rem;
  gap: 0.5rem;
}

.skill-item label {
  color: var(--color-text);
  font-weight: 500;
  margin: 0;
  flex: 1;
  min-width: 0;
}

.skill-percentage {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  font-weight: 600;
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
}

/* ===== Forms ===== */
.form-modern .form-control,
.form-modern .form-select {
  background: var(--color-bg-elevated) !important;
  border: 1px solid var(--color-border) !important;
  color: var(--color-text) !important;
  border-radius: var(--radius-md);
}

.form-modern .form-control:focus,
.form-modern .form-select:focus {
  border-color: rgba(245, 158, 11, 0.45) !important;
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.12);
}

.form-modern label {
  color: var(--color-text);
  font-weight: 500;
}

/* ===== Footer ===== */
.footer-modern {
  background: var(--color-bg-elevated);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  padding: 2rem 0;
  margin-top: auto;
}

.footer-modern p {
  font-size: 0.9rem;
  letter-spacing: 0.02em;
}

/* ===== Category pill ===== */
.category-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: none;
  background: rgba(245, 158, 11, 0.1);
  color: var(--color-primary);
  border: 1px solid rgba(245, 158, 11, 0.22);
  transition: var(--transition);
}

.category-pill:hover {
  background: rgba(245, 158, 11, 0.18);
  color: var(--color-primary-hover);
}

.category-pill.active {
  background: var(--gradient-accent);
  color: #fff !important;
  border-color: transparent;
  box-shadow: var(--shadow-sm);
}

/* ===== Alert ===== */
.alert-modern {
  background: var(--alert-success-bg) !important;
  border: 1px solid rgba(34, 197, 94, 0.28);
  color: var(--alert-success-text) !important;
  border-radius: var(--radius-md);
}

.alert-modern .btn-close {
  opacity: 0.75;
}

[data-theme="dark"] .alert-modern .btn-close {
  filter: invert(1);
}

/* ===== Blog ===== */
.blog-content h2,
.blog-content h3 {
  font-family: var(--font-display);
  color: var(--color-text);
  line-height: 1.35;
}

.blog-content p,
.blog-content ul,
.blog-content ol {
  color: var(--color-text-muted);
  line-height: 1.85;
  max-width: 65ch;
}

/* ===== Hero section (full-bleed) ===== */
.hero-section {
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
  padding: clamp(3.5rem, 8vw, 5.5rem) 0;
  margin-top: 0;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
}

.hero-section .container {
  position: relative;
  z-index: 1;
}

.hero-section::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(245, 158, 11, 0.35), transparent);
}

.hero-avatar {
  width: 148px;
  height: 148px;
  object-fit: cover;
  border: 3px solid transparent;
  background: linear-gradient(var(--color-bg-elevated), var(--color-bg-elevated)) padding-box,
    var(--gradient-accent) border-box;
  border-radius: 50%;
  box-shadow: var(--shadow-glow), var(--shadow-md);
}

/* ===== Social ===== */
.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  transition: var(--transition);
  flex-shrink: 0;
}

.social-link svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

.social-link:hover {
  color: var(--color-text) !important;
  background: rgba(245, 158, 11, 0.12);
  border-color: rgba(245, 158, 11, 0.35);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.social-link:hover[title="LinkedIn"] {
  color: #0a66c2 !important;
}

.social-link:hover[title="GitHub"] {
  color: var(--color-text) !important;
}

.social-link:hover[title="Twitter"] {
  color: #38bdf8 !important;
}

.social-link:hover[title="Instagram"] {
  color: #f472b6 !important;
}

.social-link:hover[title="YouTube"] {
  color: #f87171 !important;
}

.social-link:hover[title="Web Site"] {
  color: var(--color-primary) !important;
}

/* ===== Progress ===== */
.progress-modern {
  height: 8px;
  background: var(--color-surface);
  border-radius: 999px;
  overflow: hidden;
}

.progress-modern .progress-bar {
  background: var(--gradient-accent);
  border-radius: 999px;
  transition: width 0.65s cubic-bezier(0.4, 0, 0.2, 1);
}

.back-link {
  color: var(--color-text-muted) !important;
  font-weight: 500;
}

.back-link:hover {
  color: var(--color-primary) !important;
}

.main-content {
  padding: 2rem 0 4rem;
  flex: 1;
}

.main-content--below-nav {
  padding-top: calc(var(--site-header-total) + 0.75rem);
}

.sticky-below-header {
  top: calc(var(--site-header-total) + 0.75rem);
}

.main-content .container {
  max-width: 1100px;
}

.main-content--flush .container {
  max-width: 100%;
}

.animate-in {
  animation: fadeInUp 0.55s ease-out forwards;
}

.animate-delay-1 {
  animation-delay: 0.08s;
  opacity: 0;
}

.animate-delay-2 {
  animation-delay: 0.16s;
  opacity: 0;
}

.animate-delay-3 {
  animation-delay: 0.24s;
  opacity: 0;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.project-content,
.project-content p {
  color: var(--color-text-muted) !important;
  line-height: 1.85;
  font-size: 1.05rem;
}

.blog-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
}

.blog-content pre,
.blog-content code {
  background: var(--color-surface);
  color: var(--color-text);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
}

.card-modern:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  border-color: rgba(245, 158, 11, 0.28);
}

.card-modern .card-img-top {
  height: 180px;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.card-modern:hover .card-img-top {
  transform: scale(1.04);
}

.card-modern .card-body {
  padding: 1.35rem 1.5rem;
}