/* =============================================
   Ibrahim Canbaz — Editorial Warm Design
   ============================================= */

:root {
  --cream: #f5f0e8;
  --cream-dark: #ebe4d8;
  --ink: #1c1917;
  --ink-soft: #44403c;
  --ink-muted: #78716c;
  --terracotta: #c45c3e;
  --terracotta-light: #e8a090;
  --sage: #5c6b5a;
  --sage-light: #8fa88c;
  --dark: #1a1814;
  --dark-card: #252220;
  --dark-text: #d6d0c4;
  --dark-muted: #9c958a;
  --font-serif: 'Fraunces', Georgia, serif;
  --font-sans: 'DM Sans', system-ui, sans-serif;
  --font-mono: 'Space Mono', monospace;
  --sidebar-w: 260px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font-sans);
  background: var(--cream);
  color: var(--ink);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

/* Grain overlay */
.grain {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.035;
  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)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 180px;
}

/* ---- Sidebar ---- */

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-right: 1px solid rgba(28, 25, 23, 0.08);
  background: var(--cream);
  z-index: 200;
  transition: transform 0.4s var(--ease);
}

.sidebar__identity {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.sidebar__brand {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.sidebar__portrait {
  margin: 0;
  animation: portraitIn 1s var(--ease) 0.2s both;
}

.sidebar__portrait img {
  display: block;
  width: 100%;
  max-width: 196px;
  height: auto;
  filter: drop-shadow(0 12px 28px rgba(196, 92, 62, 0.12));
}

.sidebar__close { display: none; }

.sidebar__nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar__link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  font-size: 0.9rem;
  color: var(--ink-muted);
  transition: color 0.2s;
  position: relative;
}

.sidebar__link::before {
  content: '';
  position: absolute;
  left: -32px;
  width: 3px;
  height: 0;
  background: var(--terracotta);
  border-radius: 0 2px 2px 0;
  transition: height 0.3s var(--ease);
}

.sidebar__link--active {
  color: var(--ink);
  font-weight: 500;
}

.sidebar__link--active::before {
  height: 20px;
}

.sidebar__num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--terracotta);
  width: 20px;
}

.sidebar__footer {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sidebar__email {
  font-size: 0.8rem;
  color: var(--ink-soft);
  transition: color 0.2s;
}

.sidebar__email:hover { color: var(--terracotta); }

.sidebar__locale {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ---- Layout ---- */

.layout {
  margin-left: var(--sidebar-w);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---- Topbar ---- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  background: rgba(245, 240, 232, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(28, 25, 23, 0.06);
}

.topbar__menu {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.topbar__menu span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ink);
  transition: transform 0.3s var(--ease);
}

.topbar__status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
}

.pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--sage);
  animation: pulse 2.5s ease infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.topbar__social {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ink-soft);
  transition: color 0.2s;
}

.topbar__social:hover { color: var(--terracotta); }

/* ---- Main ---- */

.main { flex: 1; }

/* ---- Intro ---- */

.intro {
  padding: 80px 48px 120px;
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
}

.intro__layout {
  max-width: 900px;
}

.intro__portrait {
  display: none;
  margin: 0;
  flex-shrink: 0;
  animation: portraitIn 1s var(--ease) 0.2s both;
}

.intro__portrait img {
  display: block;
  width: clamp(200px, 22vw, 340px);
  height: auto;
  filter: drop-shadow(0 20px 40px rgba(196, 92, 62, 0.15));
}

@keyframes portraitIn {
  from {
    opacity: 0;
    transform: scale(0.92) translateY(16px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.intro__meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 6px 14px;
  background: var(--ink);
  color: var(--cream);
  border-radius: 100px;
}

.tag--outline {
  background: transparent;
  color: var(--ink);
  border: 1px solid rgba(28, 25, 23, 0.2);
}

.intro__title {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(3rem, 7.5vw, 6.5rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 56px;
}

.intro__line {
  display: block;
}

.intro__line--accent {
  color: var(--terracotta);
  font-style: italic;
  font-weight: 400;
}

.intro__line em {
  font-style: normal;
  font-weight: 500;
  position: relative;
}

.intro__line em::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 4px;
  width: 100%;
  height: 8px;
  background: var(--terracotta-light);
  opacity: 0.35;
  z-index: -1;
}

.intro__bottom {
  display: flex;
  flex-direction: column;
  gap: 40px;
  max-width: 900px;
}

.intro__bio {
  font-size: 1.1rem;
  color: var(--ink-soft);
  line-height: 1.75;
  max-width: 620px;
}

.intro__facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: 480px;
  padding-top: 8px;
}

.fact {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}

.fact__value {
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  min-height: 2.75rem;
  line-height: 1;
}

.fact__n {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 500;
  color: var(--terracotta);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.fact__suffix {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--terracotta);
  line-height: 1;
  margin-bottom: 0.3rem;
  margin-left: 1px;
}

.fact__l {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-muted);
  white-space: nowrap;
}

.intro__scroll-hint {
  position: absolute;
  bottom: 48px;
  right: 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.intro__scroll-hint span {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--ink-muted);
  writing-mode: vertical-rl;
}

.intro__scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--terracotta), transparent);
  animation: scrollLine 2s ease infinite;
}

@keyframes scrollLine {
  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; }
}

/* ---- Blocks ---- */

.block {
  padding: 100px 48px;
  border-top: 1px solid rgba(28, 25, 23, 0.08);
}

.block--dark {
  background: var(--dark);
  color: var(--dark-text);
  border-top-color: rgba(255, 255, 255, 0.06);
}

.block__head {
  margin-bottom: 56px;
}

.block__title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.block__desc {
  font-size: 1rem;
  color: var(--ink-muted);
}

.block--dark .block__desc { color: var(--dark-muted); }

/* ---- Bento Grid ---- */

.bento {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto;
  gap: 16px;
}

.bento__cell {
  background: var(--cream-dark);
  border: 1px solid rgba(28, 25, 23, 0.06);
  border-radius: 16px;
  padding: 32px;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.bento__cell:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(28, 25, 23, 0.08);
}

.bento__cell--wide {
  grid-column: span 2;
}

.bento__cell--tall {
  grid-row: span 2;
  display: flex;
  flex-direction: column;
}

.bento__icon {
  font-size: 1.2rem;
  color: var(--terracotta);
  margin-bottom: 16px;
  display: block;
}

.bento__cell h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: 12px;
}

.bento__cell p {
  font-size: 0.92rem;
  color: var(--ink-soft);
  line-height: 1.7;
}

.bento__list {
  margin-top: auto;
  padding-top: 20px;
}

.bento__list li {
  font-size: 0.85rem;
  color: var(--ink-muted);
  padding: 6px 0;
  border-top: 1px solid rgba(28, 25, 23, 0.06);
}

.bento__list li::before {
  content: '→ ';
  color: var(--terracotta);
}

.bento__edu {
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 4px;
}

.bento__year {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-muted);
}

/* ---- Marquee ---- */

.marquee-wrap {
  overflow: hidden;
  margin-bottom: 56px;
  mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}

.marquee {
  display: flex;
  gap: 48px;
  width: max-content;
  animation: marquee 30s linear infinite;
}

.marquee span {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 300;
  font-style: italic;
  color: var(--dark-muted);
  white-space: nowrap;
  transition: color 0.3s;
}

.marquee span:hover { color: var(--terracotta-light); }

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ---- Stack Grid ---- */

.stack-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-bottom: 48px;
}

.stack-col h4 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--terracotta-light);
  margin-bottom: 20px;
}

.stack-col li {
  font-size: 0.88rem;
  color: var(--dark-text);
  margin-bottom: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.bar {
  height: 3px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 2px;
  overflow: hidden;
}

.bar__fill {
  height: 100%;
  width: 0;
  background: var(--terracotta);
  border-radius: 2px;
  transition: width 1.2s var(--ease);
}

.bar__fill--animated { width: var(--w); }

.lang-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.lang-chip {
  font-size: 0.82rem;
  padding: 8px 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 100px;
  color: var(--dark-muted);
}

.lang-chip strong {
  color: var(--dark-text);
  margin-right: 6px;
}

/* ---- Journey ---- */

.journey {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.journey__card {
  background: var(--cream-dark);
  border: 1px solid rgba(28, 25, 23, 0.06);
  border-radius: 16px;
  padding: 36px 32px;
  transition: transform 0.35s var(--ease);
  position: relative;
  overflow: hidden;
}

.journey__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--cream-dark);
  transition: background 0.3s;
}

.journey__card:hover {
  transform: translateY(-4px);
}

.journey__card:hover::before {
  background: var(--terracotta);
}

.journey__card--current::before {
  background: var(--terracotta);
}

.journey__year {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--terracotta);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}

.journey__card h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 500;
  margin-bottom: 8px;
  line-height: 1.3;
}

.journey__org {
  font-size: 0.85rem;
  color: var(--ink-muted);
  margin-bottom: 16px;
}

.journey__card > p:last-child {
  font-size: 0.9rem;
  color: var(--ink-soft);
  line-height: 1.7;
}

/* ---- Reach ---- */

.block--reach {
  padding: 120px 48px;
}

.reach {
  max-width: 600px;
}

.reach__title {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.reach__sub {
  font-size: 1.1rem;
  color: var(--ink-soft);
  margin-bottom: 40px;
  line-height: 1.7;
}

.reach__actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.reach__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 18px 32px;
  font-size: 0.95rem;
  font-weight: 500;
  border: 1px solid rgba(28, 25, 23, 0.15);
  border-radius: 100px;
  transition: all 0.3s var(--ease);
  max-width: 340px;
}

.reach__btn:hover {
  border-color: var(--terracotta);
  color: var(--terracotta);
  transform: translateX(6px);
}

.reach__btn--fill {
  background: var(--ink);
  color: var(--cream);
  border-color: var(--ink);
}

.reach__btn--fill:hover {
  background: var(--terracotta);
  border-color: var(--terracotta);
  color: #fff;
}

/* ---- Footer ---- */

.foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 48px;
  border-top: 1px solid rgba(28, 25, 23, 0.08);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ---- Reveal animations ---- */

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal--visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Responsive ---- */

@media (max-width: 1100px) {
  .stack-grid { grid-template-columns: repeat(2, 1fr); }
  .journey { grid-template-columns: 1fr; }
  .bento { grid-template-columns: 1fr 1fr; }
  .bento__cell--wide { grid-column: span 2; }
  .bento__cell--tall { grid-row: span 1; }
}

@media (max-width: 768px) {
  :root { --sidebar-w: 0px; }

  .sidebar {
    width: 280px;
    transform: translateX(-100%);
    box-shadow: none;
  }

  .sidebar--open {
    transform: translateX(0);
    box-shadow: 8px 0 40px rgba(0, 0, 0, 0.12);
  }

  .sidebar__close {
    display: block;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--ink);
    padding: 4px;
  }

  .sidebar__top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
  }

  .layout { margin-left: 0; }

  .sidebar__portrait { display: none; }

  .topbar__menu { display: flex; }

  .intro { padding: 48px 24px 80px; min-height: auto; }
  .intro__layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .intro__portrait {
    display: block;
    order: -1;
    justify-self: center;
  }
  .intro__portrait img {
    width: min(260px, 70vw);
  }
  .intro__bottom { gap: 32px; }
  .intro__facts {
    max-width: 100%;
    gap: 24px;
  }
  .intro__scroll-hint { display: none; }

  .block { padding: 72px 24px; }
  .block--reach { padding: 80px 24px; }

  .bento { grid-template-columns: 1fr; }
  .bento__cell--wide { grid-column: span 1; }

  .stack-grid { grid-template-columns: 1fr; }

  .topbar { padding: 16px 24px; }
  .foot { padding: 20px 24px; flex-direction: column; gap: 8px; }
}

@media (max-width: 480px) {
  .intro__title { font-size: 2.6rem; }
  .intro__facts {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
  .fact__n { font-size: 2rem; }
  .fact__value { min-height: 2.25rem; }
  .fact__suffix { font-size: 1.25rem; }
  .fact__l { font-size: 0.58rem; letter-spacing: 0.06em; }
  .topbar__status { display: none; }
}