/* ============================================================
   ABDURRAHMAN OSMAN — Personal Resume Site
   Aesthetic: refined editorial × technical, warm paper / deep ink.
   Typography: Fraunces (display) · Manrope (body) · JetBrains Mono (mono).
   ============================================================ */

/* ---------- 1. Reset & base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

body {
  font-family: 'Manrope', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 12%, var(--ambient-1) 0 18rem, transparent 34rem),
    radial-gradient(circle at 88% 8%, var(--ambient-2) 0 20rem, transparent 38rem),
    linear-gradient(135deg, var(--paper) 0%, var(--paper-2) 48%, var(--paper-3) 100%);
  background-attachment: fixed;
  background-size: 120% 120%, 110% 110%, 100% 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition: background .4s ease, color .4s ease;
  animation: page-ambient 24s ease-in-out infinite alternate;
}

img { max-width: 100%; display: block; }
a   { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

/* ---------- 2. Theme tokens ---------- */
:root {
  /* Light theme — warm paper, deep ink */
  --paper:        #f8fbff;     /* base background */
  --paper-2:      #eef5fb;     /* alternate band */
  --paper-3:      #f7f1ea;     /* warm gradient stop */
  --ink:          #14202e;     /* primary text */
  --ink-2:        #435163;     /* secondary text */
  --ink-3:        #738094;     /* muted text */
  --line:         rgba(20, 32, 46, .15);
  --line-2:       rgba(20, 32, 46, .08);
  --accent:       #df654a;     /* modern coral */
  --accent-soft:  rgba(223, 101, 74, .13);
  --accent-2:     #1f9f94;
  --accent-cool:  rgba(31, 159, 148, .13);
  --ambient-1:    rgba(103, 169, 255, .22);
  --ambient-2:    rgba(255, 180, 125, .22);
  --ambient-3:    rgba(31, 159, 148, .13);
  --card:         rgba(255, 255, 255, .72);
  --card-hover:   rgba(255, 255, 255, .92);
  --shadow:       0 1px 2px rgba(20,32,46,.04), 0 14px 36px rgba(64,91,126,.10);
  --shadow-lg:    0 4px 12px rgba(20,32,46,.07), 0 24px 58px rgba(64,91,126,.16);

  /* type scale */
  --fs-mono:      .78rem;
  --fs-body:      1rem;
  --fs-lede:      clamp(1.05rem, 1.4vw, 1.25rem);
  --fs-h3:        clamp(1.15rem, 1.6vw, 1.4rem);
  --fs-h2:        clamp(1.85rem, 4vw, 3rem);
  --fs-hero:      clamp(2.4rem, 7vw, 5.5rem);

  /* layout */
  --container:    1180px;
  --gutter:       clamp(1.25rem, 4vw, 2.5rem);
  --radius:       14px;
  --radius-sm:    8px;

  /* fonts */
  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body:    'Manrope', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, monospace;
}

[data-theme="dark"] {
  --paper:        #141312;
  --paper-2:      #1c1b1a;
  --paper-3:      #141312;
  --ink:          #f0e9dd;
  --ink-2:        #b8b1a4;
  --ink-3:        #8a8478;
  --line:         rgba(240, 233, 221, .14);
  --line-2:       rgba(240, 233, 221, .07);
  --accent:       #e87a5a;     /* warmer in dark mode */
  --accent-2:     #8fd8cf;
  --accent-soft:  rgba(232, 122, 90, .14);
  --accent-cool:  rgba(143, 216, 207, .1);
  --ambient-1:    rgba(232, 122, 90, .08);
  --ambient-2:    rgba(143, 216, 207, .05);
  --ambient-3:    rgba(232, 122, 90, .08);
  --card:         #1f1d1b;
  --card-hover:   #26231f;
  --shadow:       0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.4);
  --shadow-lg:    0 4px 12px rgba(0,0,0,.4), 0 20px 48px rgba(0,0,0,.55);
}

[data-theme="dark"] body {
  background: var(--paper);
  background-attachment: scroll;
  animation: none;
}

@keyframes page-ambient {
  0%   { background-position: 0% 0%, 100% 0%, 0% 0%; }
  100% { background-position: 18% 10%, 82% 14%, 0% 0%; }
}

/* ---------- 3. Utilities ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.mono {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: .02em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--ink);
  color: var(--paper);
  padding: .6rem 1rem;
  border-radius: var(--radius-sm);
  z-index: 999;
  transition: top .2s;
}
.skip-link:focus { top: 1rem; }

/* Decorative grain — adds paper texture in light mode */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: .24;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.6'/%3E%3C/svg%3E");
  mix-blend-mode: soft-light;
}
[data-theme="dark"] .grain { mix-blend-mode: overlay; opacity: .15; }

/* Scroll-reveal animation system */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1);
  transition-delay: var(--delay, 0s);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 4. Navigation ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in oklab, var(--paper) 88%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, background-color .4s;
}
.nav.is-scrolled {
  border-bottom-color: var(--line);
}

.nav__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 1.1rem var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: .75rem;
  font-family: var(--font-display);
  font-weight: 600;
}

.nav__brand-mark {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -.02em;
  transition: transform .3s ease;
}
.nav__brand:hover .nav__brand-mark { transform: rotate(-6deg) scale(1.05); }

.nav__brand-divider {
  width: 1px; height: 18px; background: var(--line);
}

.nav__brand-text { font-size: 1rem; letter-spacing: -.01em; }

.nav__links {
  display: flex;
  gap: 1.75rem;
  font-size: .92rem;
  font-weight: 500;
}
.nav__links a {
  position: relative;
  color: var(--ink-2);
  transition: color .2s;
  padding: .25rem 0;
}
.nav__links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width .3s ease;
}
.nav__links a:hover { color: var(--ink); }
.nav__links a:hover::after { width: 100%; }

.nav__actions {
  display: flex;
  align-items: center;
  gap: .5rem;
}

/* Language toggle */
.lang-toggle {
  position: relative;
  display: inline-grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: .15rem;
  min-width: 74px;
  height: 36px;
  padding: .2rem;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  background: color-mix(in oklab, var(--card) 78%, transparent);
  color: var(--ink-3);
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .04em;
  transition: border-color .2s, background-color .2s, transform .2s;
}
.lang-toggle::before {
  content: '';
  position: absolute;
  top: .2rem;
  bottom: .2rem;
  left: .2rem;
  width: calc(50% - .2rem);
  border-radius: 999px;
  background: var(--ink);
  box-shadow: var(--shadow);
  transition: transform .28s cubic-bezier(.2,.7,.2,1), background-color .28s;
}
.lang-toggle:hover {
  transform: translateY(-1px);
  border-color: var(--line);
  background: var(--card-hover);
}
.lang-toggle:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.lang-toggle__option {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  min-width: 30px;
  transition: color .2s;
}
[data-lang="en"] .lang-toggle__option[data-lang-option="en"],
[data-lang="tr"] .lang-toggle__option[data-lang-option="tr"] {
  color: var(--paper);
}
[data-lang="tr"] .lang-toggle::before {
  transform: translateX(100%);
}

/* Theme toggle */
.theme-toggle {
  position: relative;
  width: 40px; height: 40px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  transition: background-color .2s, transform .2s;
}
.theme-toggle:hover { background: var(--accent-soft); transform: scale(1.05); }
.theme-toggle:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.theme-toggle__icon {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  transition: transform .4s cubic-bezier(.4,.2,.2,1), opacity .3s;
}
.theme-toggle__icon i { width: 18px; height: 18px; }

[data-theme="light"] .theme-toggle__icon--sun  { transform: rotate(0deg)   scale(1); opacity: 1; }
[data-theme="light"] .theme-toggle__icon--moon { transform: rotate(90deg)  scale(0); opacity: 0; }
[data-theme="dark"]  .theme-toggle__icon--sun  { transform: rotate(-90deg) scale(0); opacity: 0; }
[data-theme="dark"]  .theme-toggle__icon--moon { transform: rotate(0deg)   scale(1); opacity: 1; }

/* Mobile menu button */
.nav__menu-btn {
  display: none;
  width: 40px; height: 40px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  border-radius: var(--radius-sm);
}
.nav__menu-btn span {
  display: block;
  width: 20px; height: 1.5px;
  background: var(--ink);
  transition: transform .3s, opacity .3s;
}
.nav__menu-btn[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__menu-btn[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__menu-btn[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-menu {
  display: none;
  flex-direction: column;
  padding: 0 var(--gutter) 1.5rem;
  gap: .25rem;
  border-top: 1px solid var(--line-2);
}
.mobile-menu a {
  padding: .85rem 0;
  font-size: 1.05rem;
  font-weight: 500;
  border-bottom: 1px solid var(--line-2);
  transition: color .2s, padding-left .2s;
}
.mobile-menu a:hover { color: var(--accent); padding-left: .5rem; }

@media (max-width: 880px) {
  .nav__links { display: none; }
  .nav__menu-btn { display: flex; }
  .nav__brand-text { display: none; }
  .mobile-menu.is-open { display: flex; }
}

/* ---------- 5. Hero ---------- */
.hero {
  position: relative;
  padding: clamp(4rem, 12vh, 8rem) 0 clamp(3rem, 8vh, 6rem);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
.hero__bg::before {
  content: '';
  position: absolute;
  inset: -20% -10% 0;
  background:
    linear-gradient(120deg, transparent 0 22%, var(--accent-cool) 38%, transparent 58%),
    linear-gradient(210deg, transparent 0 30%, rgba(103, 169, 255, .14) 48%, transparent 68%);
  filter: blur(10px);
  opacity: .9;
  transform: translate3d(-2%, -2%, 0);
  animation: hero-sheen 16s ease-in-out infinite alternate;
}
.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .55;
}
.hero__orb--1 {
  width: 480px; height: 480px;
  background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
  top: -120px; right: -120px;
  opacity: .18;
  animation: orb-float 18s ease-in-out infinite;
}
.hero__orb--2 {
  width: 380px; height: 380px;
  background: radial-gradient(circle, var(--accent-2) 0%, transparent 70%);
  bottom: -180px; left: -100px;
  opacity: .16;
  animation: orb-float 22s ease-in-out infinite reverse;
}
[data-theme="dark"] .hero__orb--1 { opacity: .18; }
[data-theme="dark"] .hero__orb--2 { opacity: .14; }

@keyframes orb-float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%      { transform: translate(40px, 40px) scale(1.08); }
}

@keyframes hero-sheen {
  0%   { transform: translate3d(-4%, -2%, 0) rotate(-1deg); opacity: .7; }
  100% { transform: translate3d(4%, 3%, 0) rotate(1deg); opacity: 1; }
}

.hero__inner {
  position: relative;
  z-index: 2;
}

.hero__meta {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  padding: .45rem .85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  margin-bottom: 2rem;
  background: color-mix(in oklab, var(--paper) 70%, transparent);
}
.dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #2bb673;
  box-shadow: 0 0 0 0 rgba(43, 182, 115, .55);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0   rgba(43, 182, 115, .55); }
  70%  { box-shadow: 0 0 0 8px rgba(43, 182, 115, 0); }
  100% { box-shadow: 0 0 0 0   rgba(43, 182, 115, 0); }
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--fs-hero);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -.025em;
  margin-bottom: 1.75rem;
  font-variation-settings: "opsz" 144, "SOFT" 50;
}
.hero__title-line { display: block; }
.hero__title em {
  font-style: italic;
  font-variation-settings: "opsz" 144, "SOFT" 100, "WONK" 1;
  color: var(--accent);
}
.hero__title .accent {
  font-family: var(--font-mono);
  font-size: .85em;
  font-weight: 500;
  letter-spacing: -.02em;
  background: var(--accent);
  color: var(--paper);
  padding: 0 .25em;
  border-radius: 6px;
  display: inline-block;
  transform: translateY(-.08em);
}

.hero__lede {
  font-size: var(--fs-lede);
  color: var(--ink-2);
  max-width: 620px;
  margin-bottom: 2.5rem;
  line-height: 1.55;
}
.hero__lede .hl {
  position: relative;
  color: var(--ink);
  font-weight: 600;
  white-space: nowrap;
}
.hero__lede .hl::before {
  content: '';
  position: absolute;
  inset: 86% 0 -2% 0;
  background: var(--accent-soft);
  z-index: -1;
  border-radius: 3px;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-bottom: 4rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  padding: .85rem 1.5rem;
  font-size: .95rem;
  font-weight: 500;
  border-radius: 999px;
  transition: transform .2s, background-color .2s, color .2s, border-color .2s;
  border: 1px solid transparent;
}
.btn i { width: 16px; height: 16px; }
.btn--primary {
  background: var(--ink);
  color: var(--paper);
}
.btn--primary:hover { transform: translateY(-2px); background: var(--accent); }
.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn--ghost:hover { transform: translateY(-2px); border-color: var(--ink); background: var(--card-hover); }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* Hero stats — small grid of meta info */
.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  max-width: 720px;
  border-top: 1px solid var(--line);
  padding-top: 1.5rem;
}
.hero__stats > div { display: flex; flex-direction: column; gap: .35rem; }
.hero__stats dt {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--ink-3);
}
.hero__stats dd {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 500;
  letter-spacing: -.02em;
  line-height: 1;
}
.hero__stats dd.hero__stats-text { font-size: clamp(1.05rem, 1.8vw, 1.35rem); font-weight: 500; }
.hero__stats dd .plus { color: var(--accent); }

@media (max-width: 600px) {
  .hero__stats { grid-template-columns: 1fr; gap: 1.25rem; }
  .hero__stats > div {
    border-bottom: 1px solid var(--line-2);
    padding-bottom: 1rem;
  }
  .hero__stats > div:last-child { border-bottom: none; padding-bottom: 0; }
}

.hero__scroll {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-top: 2.5rem;
  color: var(--ink-3);
}
.hero__scroll-line {
  position: relative;
  width: 60px;
  height: 1px;
  background: var(--line);
  overflow: hidden;
}
.hero__scroll-line::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent);
  animation: scroll-line 2.5s ease-in-out infinite;
}
@keyframes scroll-line {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ---------- 6. Section primitives ---------- */
.section {
  padding: clamp(4rem, 9vh, 6.5rem) 0;
  position: relative;
}
.section--alt {
  background:
    linear-gradient(135deg, rgba(255,255,255,.52), transparent 32%),
    radial-gradient(circle at 88% 10%, var(--ambient-3), transparent 34rem),
    var(--paper-2);
  border-top: 1px solid var(--line-2);
  border-bottom: 1px solid var(--line-2);
}

.section__head {
  margin-bottom: clamp(2.5rem, 5vh, 4rem);
  max-width: 820px;
}
.section__num {
  display: inline-block;
  margin-bottom: 1rem;
  padding-bottom: .35rem;
  border-bottom: 1px solid var(--line);
}
.section__title {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -.02em;
  font-variation-settings: "opsz" 96, "SOFT" 50;
}
.section__title em {
  font-style: italic;
  font-variation-settings: "opsz" 96, "SOFT" 100, "WONK" 1;
  color: var(--accent);
}

.subhead {
  display: inline-block;
  margin-bottom: 1rem;
  padding-bottom: .35rem;
}

/* ---------- 7. About ---------- */
.about__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(2rem, 4vw, 4rem);
  align-items: start;
}
.about__body p {
  font-size: var(--fs-lede);
  color: var(--ink-2);
  margin-bottom: 1.25rem;
  max-width: 60ch;
}
.about__body p:last-child { margin-bottom: 0; }
.about__body strong { color: var(--ink); font-weight: 600; }

.about__aside {
  background: var(--card);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  padding: 2rem;
  border-radius: var(--radius);
  border: 1px solid var(--line-2);
  position: sticky;
  top: 100px;
}
.aside__heading { margin-bottom: 1.25rem; color: var(--accent); }
.aside__list { display: flex; flex-direction: column; gap: 1rem; }
.aside__list li {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  font-size: .95rem;
  color: var(--ink-2);
}
.aside__list li i {
  width: 18px; height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--accent);
}
.aside__list li em { font-style: italic; color: var(--ink-3); }

@media (max-width: 800px) {
  .about__grid { grid-template-columns: 1fr; }
  .about__aside { position: static; }
}

/* ---------- 8. Timeline / Experience ---------- */
.timeline {
  position: relative;
  padding-left: 2.25rem;
}
.timeline::before {
  content: '';
  position: absolute;
  top: .5rem; bottom: .5rem;
  left: 9px;
  width: 1px;
  background: var(--line);
}
.timeline__item {
  position: relative;
  padding-bottom: 2rem;
}
.timeline__item:last-child { padding-bottom: 0; }
.timeline__marker {
  position: absolute;
  top: 1.4rem;
  left: -2.25rem;
  width: 19px; height: 19px;
  border-radius: 50%;
  background: var(--paper);
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
}
.timeline__marker::after {
  content: '';
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
}
.section--alt .timeline__marker { background: var(--paper-2); }

/* Cards */
.card {
  background: var(--card);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  padding: clamp(1.4rem, 3vw, 2rem);
  transition: transform .35s cubic-bezier(.2,.7,.2,1),
              box-shadow .35s ease,
              border-color .35s ease,
              background-color .35s ease;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--line);
  background: var(--card-hover);
}

.card__head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .5rem 1rem;
  margin-bottom: .85rem;
}
.card__date { color: var(--ink-3); }
.card__loc {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  text-transform: uppercase;
  letter-spacing: .02em;
  color: var(--ink-3);
  display: inline-flex; align-items: center; gap: .35rem;
}
.card__loc i { width: 13px; height: 13px; }

.card__title {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 500;
  letter-spacing: -.01em;
  margin-bottom: .35rem;
  font-variation-settings: "opsz" 36, "SOFT" 50;
}
.card__company {
  font-size: .95rem;
  color: var(--ink-2);
  margin-bottom: 1rem;
}
.card__company-link {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
  text-underline-offset: .18em;
}
.card__company-link:hover,
.card__company-link:focus-visible {
  text-decoration: underline;
}
.card__company-meta { color: var(--ink-3); }

.card__list {
  display: flex;
  flex-direction: column;
  gap: .55rem;
  margin-bottom: 1.25rem;
}
.card__list li {
  position: relative;
  padding-left: 1.25rem;
  font-size: .95rem;
  color: var(--ink-2);
  line-height: 1.55;
}
.card__list li::before {
  content: '';
  position: absolute;
  left: 0; top: .65rem;
  width: 8px; height: 1px;
  background: var(--accent);
}
.card__list strong { color: var(--ink); font-weight: 600; }

.card__tags {
  display: flex; flex-wrap: wrap; gap: .4rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line-2);
}
.card__tags span {
  font-family: var(--font-mono);
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  padding: .3rem .65rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-2);
  transition: border-color .2s, color .2s;
}
.card__tags span:hover { border-color: var(--accent); color: var(--accent); }

@media (max-width: 600px) {
  .timeline { padding-left: 1.75rem; }
  .timeline__marker { left: -1.75rem; }
}

/* ---------- 9. Skills ---------- */
.skills {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.skills__group {
  background: var(--card);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: transform .3s, border-color .3s, box-shadow .3s;
}
.skills__group:hover {
  transform: translateY(-3px);
  border-color: var(--line);
  box-shadow: var(--shadow);
}
.skills__group--accent {
  background: linear-gradient(135deg, var(--accent-soft), var(--accent-cool) 85%), var(--card);
  border-color: color-mix(in oklab, var(--accent) 25%, var(--line-2));
}
.skills__group-head {
  display: flex; align-items: center; gap: .75rem;
  margin-bottom: 1.25rem;
}
.skills__icon {
  display: grid; place-items: center;
  width: 36px; height: 36px;
  background: var(--accent);
  color: var(--paper);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}
.skills__icon i { width: 18px; height: 18px; }
.skills__group h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: -.01em;
}

.chips {
  display: flex; flex-wrap: wrap; gap: .45rem;
}
.chips li {
  font-family: var(--font-body);
  font-size: .85rem;
  font-weight: 500;
  padding: .4rem .8rem;
  background: var(--paper);
  border: 1px solid var(--line-2);
  border-radius: 6px;
  color: var(--ink-2);
  transition: transform .2s, color .2s, border-color .2s, background-color .2s;
}
.chips li:hover {
  transform: translateY(-1px);
  border-color: var(--accent);
  color: var(--accent);
  background: var(--card-hover);
}
.section--alt .chips li { background: var(--paper-2); }

/* ---------- 10. Projects ---------- */
.projects {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
.card--project {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.project-showcase {
  display: grid;
  grid-template-columns: minmax(0, .88fr) minmax(0, 1.35fr);
  gap: clamp(1.25rem, 3vw, 2.25rem);
  padding: clamp(1rem, 2.5vw, 1.4rem);
  overflow: hidden;
  align-items: stretch;
}
.project-showcase__content {
  display: flex;
  flex-direction: column;
  min-width: 0;
  gap: 1rem;
  padding: clamp(.35rem, 1vw, .6rem);
}
.card--project__header {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line-2);
}
.card--project__index { color: var(--accent); }
.card--project__type {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--ink-3);
}
.card__desc {
  font-size: .98rem;
  color: var(--ink-2);
  line-height: 1.6;
  flex-grow: 1;
}
.project-features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .65rem;
}
.project-feature {
  min-width: 0;
  padding: .85rem;
  border: 1px solid var(--line-2);
  border-radius: var(--radius-sm);
  background: color-mix(in oklab, var(--paper) 76%, transparent);
}
.project-feature strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  line-height: 1;
  color: var(--accent);
  font-variation-settings: "opsz" 36, "SOFT" 50;
}
.project-feature span {
  display: block;
  margin-top: .35rem;
  font-size: .78rem;
  line-height: 1.35;
  color: var(--ink-3);
}
.project-showcase__media {
  min-width: 0;
  height: 100%;
}
.project-gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-auto-rows: minmax(0, 1fr);
  grid-auto-flow: dense;
  gap: .8rem;
  height: 100%;
  min-height: 100%;
}
.project-shot {
  position: relative;
  display: block;
  min-width: 0;
  height: 100%;
  min-height: 0;
  overflow: hidden;
  border: 1px solid var(--line-2);
  border-radius: var(--radius-sm);
  background: var(--paper);
  box-shadow: var(--shadow);
  color: inherit;
  isolation: isolate;
  transition: border-color .25s ease, transform .25s ease, box-shadow .25s ease;
}
.project-shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top left;
  transition: transform .5s ease;
}
.project-shot:hover,
.project-shot:focus-visible {
  border-color: color-mix(in oklab, var(--accent) 58%, var(--line));
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  outline: none;
}
.project-shot:hover img,
.project-shot:focus-visible img {
  transform: scale(1.025);
}
.project-shot__open {
  position: absolute;
  top: .65rem;
  right: .65rem;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: 1px solid rgba(255, 255, 255, .35);
  border-radius: 999px;
  background: rgba(20, 32, 46, .66);
  color: #fff;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity .25s ease, transform .25s ease;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.project-shot__open i {
  width: 15px;
  height: 15px;
}
.project-shot:hover .project-shot__open,
.project-shot:focus-visible .project-shot__open {
  opacity: 1;
  transform: translateY(0);
}
.project-shot--hero {
  grid-column: span 2;
  grid-row: span 2;
}
.card--project__footer {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--line-2);
}
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-weight: 600;
  font-size: .9rem;
  color: var(--accent);
  transition: gap .25s;
}
.link-arrow i { width: 16px; height: 16px; transition: transform .25s; }
.link-arrow:hover { gap: .65rem; }
.link-arrow:hover i { transform: translate(2px, -2px); }

.project-showcase--text .project-showcase__media {
  display: flex;
  align-items: stretch;
}
.project-flow {
  display: grid;
  gap: .8rem;
  width: 100%;
  min-height: 100%;
}
.project-flow__item {
  display: flex;
  align-items: flex-start;
  gap: .85rem;
  padding: .95rem;
  border: 1px solid var(--line-2);
  border-radius: var(--radius-sm);
  background: color-mix(in oklab, var(--paper) 78%, transparent);
}
.project-flow__item i {
  flex: 0 0 auto;
  width: 21px;
  height: 21px;
  color: var(--accent);
}
.project-flow__item strong {
  display: block;
  margin-bottom: .18rem;
  font-size: .96rem;
  line-height: 1.25;
  color: var(--ink);
}
.project-flow__item span {
  display: block;
  font-size: .86rem;
  line-height: 1.5;
  color: var(--ink-2);
}
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: none;
  padding: clamp(.75rem, 2vw, 1.5rem);
}
.lightbox.is-open {
  display: grid;
  place-items: center;
}
.lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(9, 14, 20, .76);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.lightbox__panel {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  width: min(1240px, 100%);
  max-height: min(92vh, 920px);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: var(--radius);
  background: color-mix(in oklab, var(--paper) 94%, transparent);
  box-shadow: 0 24px 80px rgba(0, 0, 0, .36);
}
.lightbox__bar,
.lightbox__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .9rem 1rem;
}
.lightbox__bar {
  border-bottom: 1px solid var(--line-2);
}
.lightbox__eyebrow {
  display: block;
  margin-bottom: .12rem;
}
.lightbox__title {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2vw, 1.45rem);
  font-weight: 500;
  line-height: 1.2;
}
.lightbox__close,
.lightbox__nav {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--card);
  color: var(--ink);
  transition: background-color .2s ease, border-color .2s ease, transform .2s ease;
}
.lightbox__close {
  width: 42px;
  height: 42px;
}
.lightbox__close i,
.lightbox__nav i {
  width: 19px;
  height: 19px;
}
.lightbox__close:hover,
.lightbox__close:focus-visible,
.lightbox__nav:hover,
.lightbox__nav:focus-visible {
  border-color: var(--accent);
  background: var(--card-hover);
  transform: translateY(-1px);
  outline: none;
}
.lightbox__stage {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 0;
  padding: .75rem;
  background: color-mix(in oklab, var(--ink) 4%, transparent);
}
.lightbox__image {
  width: 100%;
  height: 100%;
  max-height: 72vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  background: var(--paper);
}
.lightbox__nav {
  position: absolute;
  top: 50%;
  z-index: 2;
  width: 46px;
  height: 46px;
  transform: translateY(-50%);
}
.lightbox__nav:hover,
.lightbox__nav:focus-visible {
  transform: translateY(calc(-50% - 1px));
}
.lightbox__nav--prev { left: 1rem; }
.lightbox__nav--next { right: 1rem; }
.lightbox__footer {
  border-top: 1px solid var(--line-2);
}
.lightbox__caption {
  color: var(--ink-2);
  font-weight: 600;
}
.lightbox__count {
  white-space: nowrap;
}
body.lightbox-lock {
  overflow: hidden;
}

@media (max-width: 980px) {
  .project-showcase {
    grid-template-columns: 1fr;
  }
  .project-showcase__media,
  .project-gallery {
    height: auto;
    min-height: 0;
  }
  .project-gallery {
    grid-auto-rows: auto;
  }
  .project-shot {
    aspect-ratio: 16 / 10;
  }
}

@media (max-width: 620px) {
  .project-features {
    grid-template-columns: 1fr;
  }
  .project-gallery {
    grid-template-columns: 1fr;
  }
  .project-shot,
  .project-shot--hero {
    grid-column: auto;
    grid-row: auto;
    aspect-ratio: 4 / 3;
  }
  .project-shot__open {
    opacity: 1;
    transform: none;
  }
  .lightbox {
    padding: .5rem;
  }
  .lightbox__panel {
    max-height: 94vh;
  }
  .lightbox__bar,
  .lightbox__footer {
    padding: .75rem;
  }
  .lightbox__stage {
    padding: .5rem;
  }
  .lightbox__image {
    max-height: 65vh;
  }
  .lightbox__nav {
    width: 40px;
    height: 40px;
  }
  .lightbox__nav--prev { left: .65rem; }
  .lightbox__nav--next { right: .65rem; }
}

/* ---------- 11. Education & Certs ---------- */
.edu-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(2rem, 4vw, 3.5rem);
}
@media (max-width: 800px) { .edu-grid { grid-template-columns: 1fr; } }

.card--edu .card__title {
  font-size: 1.2rem;
  margin-top: .25rem;
}

.certs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: .85rem;
}
.cert {
  display: flex;
  align-items: flex-start;
  gap: .85rem;
  padding: 1.1rem 1.25rem;
  background: var(--card);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  border: 1px solid var(--line-2);
  border-radius: var(--radius-sm);
  transition: border-color .25s, transform .25s, background-color .25s;
}
.cert:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  background: var(--card-hover);
}
.cert i {
  width: 20px; height: 20px;
  color: var(--accent);
  flex-shrink: 0; margin-top: 2px;
}
.cert h4 {
  font-family: var(--font-body);
  font-size: .95rem;
  font-weight: 600;
  margin-bottom: .15rem;
  letter-spacing: -.005em;
}
.cert__by {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--ink-3);
}
.cert-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: .9rem;
  margin-top: 1rem;
}
.cert-card {
  display: grid;
  grid-template-rows: auto auto;
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line-2);
  border-radius: var(--radius-sm);
  background: var(--card);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  box-shadow: var(--shadow);
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.cert-card:hover,
.cert-card:focus-visible {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  outline: none;
}
.cert-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: top center;
  background: var(--paper);
}
.cert-card__meta {
  display: grid;
  gap: .2rem;
  padding: .85rem .95rem 1rem;
  text-align: left;
}
.cert-card__meta strong {
  font-size: .92rem;
  line-height: 1.35;
  color: var(--ink);
}
.cert-card__meta span {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--ink-3);
}

/* ---------- 12. Contact ---------- */
.section--contact { padding-bottom: clamp(5rem, 10vh, 7rem); }

.contact__head { margin-bottom: 3rem; max-width: 720px; }
.contact__lede {
  margin-top: 1.25rem;
  font-size: var(--fs-lede);
  color: var(--ink-2);
  max-width: 520px;
}

.contact__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}
.contact__card {
  position: relative;
  display: grid;
  grid-template-areas:
    "label icon"
    "value icon";
  grid-template-columns: 1fr auto;
  gap: .35rem 1rem;
  padding: 1.5rem 1.75rem;
  background: var(--card);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  transition: transform .3s cubic-bezier(.2,.7,.2,1),
              border-color .3s, background-color .3s;
}
.contact__card:not(.contact__card--static):hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  background: var(--card-hover);
}
.contact__card-label { grid-area: label; color: var(--accent); }
.contact__card-value {
  grid-area: value;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: -.01em;
  word-break: break-word;
}
.contact__card-icon {
  grid-area: icon;
  align-self: center;
  display: grid; place-items: center;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--paper);
  transition: transform .3s, background-color .3s;
}
.section--contact .contact__card-icon { background: var(--paper); }
.contact__card-icon i { width: 18px; height: 18px; color: var(--ink-2); transition: color .3s; }
.contact__card-icon--brand {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0;
  color: var(--ink-2);
  transition: color .3s, transform .3s, background-color .3s;
}
.contact__card:not(.contact__card--static):hover .contact__card-icon {
  transform: rotate(-12deg) scale(1.05);
  background: var(--accent);
}
.contact__card:not(.contact__card--static):hover .contact__card-icon i { color: var(--paper); }
.contact__card:not(.contact__card--static):hover .contact__card-icon--brand { color: var(--paper); }

/* ---------- 13. Footer ---------- */
.footer {
  border-top: 1px solid var(--line);
  padding: 2rem 0;
  background: var(--paper);
}
.footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.footer__signature {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  flex-wrap: wrap;
}
.footer__divider { color: var(--ink-3); }
.footer__top {
  display: inline-flex; align-items: center; gap: .4rem;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--ink-2);
  transition: color .2s, gap .2s;
}
.footer__top i { width: 14px; height: 14px; }
.footer__top:hover { color: var(--accent); gap: .6rem; }

/* ---------- 14. Print friendly ---------- */
@media print {
  .nav, .footer, .hero__bg, .grain, .hero__scroll, .theme-toggle, .nav__menu-btn, .mobile-menu { display: none !important; }
  .reveal { opacity: 1 !important; transform: none !important; }
  body { background: white; color: black; }
}

/* ---------- 15. Selection & focus ---------- */
::selection { background: var(--accent); color: var(--paper); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 3px; }