/* ============================================================
   Abdullah Hijran — Portfolio (compact CV layout)
   Editorial academic design · Fraunces + IBM Plex
   ============================================================ */

:root {
  --paper: #f5f3ec;
  --surface: #fffdf7;
  --ink: #1b1e22;
  --ink-soft: #5a616b;
  --line: #e2ded1;
  --teal: #0a6b5b;
  --teal-deep: #07503f;
  --teal-ink: #0e3f35;
  --gold: #8f5d22;
  --dark: #10181c;
  --dark-ink: #d9e2e0;
  --dark-soft: #8ea49e;

  --font-display: "Fraunces", "Georgia", serif;
  --font-body: "IBM Plex Sans", "Helvetica Neue", sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", monospace;

  --radius: 14px;
  --radius-sm: 10px;
  --shadow-soft: 0 20px 50px -20px rgba(27, 30, 34, 0.18);
  --maxw: 1120px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 86px;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  font-size: 15.5px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

::selection {
  background: var(--teal);
  color: #fff;
}

:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
  border-radius: 4px;
}

img {
  max-width: 100%;
  display: block;
  height: auto;
}

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

ul {
  list-style: none;
}

h1,
h2,
h3 {
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

/* ---------- Film grain ---------- */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 200;
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 44px);
}

/* ---------- Reading progress bar ---------- */
.progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 150;
  pointer-events: none;
}

.progress__bar {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--teal), #3bb89f);
  box-shadow: 0 0 10px rgba(10, 107, 91, 0.45);
  transition: width 0.1s linear;
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--paper);
}

::-webkit-scrollbar-thumb {
  background: #cfcabc;
  border-radius: 6px;
  border: 2px solid var(--paper);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--teal);
}

/* ============================================================
   Typographic helpers
   ============================================================ */
.kicker {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--teal);
  font-weight: 500;
  margin-bottom: 12px;
}

/* ============================================================
   Navigation
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 0 clamp(20px, 4vw, 44px);
  height: 68px;
  background: rgba(245, 243, 236, 0.84);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease;
}

.nav.is-scrolled {
  border-bottom-color: var(--line);
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 11px;
  font-weight: 600;
  font-size: 0.92rem;
}

.nav__monogram {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-display);
  font-size: 0.8rem;
  border: 1px solid var(--ink);
  transition: background 0.25s ease, border-color 0.25s ease;
}

.nav__name {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  font-size: 1.02rem;
  letter-spacing: -0.01em;
  color: var(--teal);
  white-space: nowrap;
}

.nav__brand:hover .nav__monogram {
  background: var(--teal);
  border-color: var(--teal);
  color: #fff;
}

.nav__links {
  display: flex;
  gap: clamp(14px, 2.4vw, 30px);
}

.nav__links a {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ink-soft);
  position: relative;
  padding: 4px 0;
  transition: color 0.2s ease;
}

.nav__links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--teal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.nav__links a:hover {
  color: var(--ink);
}

.nav__links a:hover::after {
  transform: scaleX(1);
}

.nav__links a.is-active {
  color: var(--ink);
}

.nav__links a.is-active::after {
  transform: scaleX(1);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 9px;
  cursor: pointer;
}

.nav__toggle span {
  display: block;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.25s ease;
}

.nav__toggle[aria-expanded="true"] span:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.nav__toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 18px;
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease,
    color 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0) scale(0.96);
}

.btn--primary {
  position: relative;
  overflow: hidden;
  background: var(--teal);
  color: #fff;
  box-shadow: 0 10px 24px -12px rgba(10, 107, 91, 0.55);
}

.btn--primary::after {
  content: "";
  position: absolute;
  top: 0;
  left: -120%;
  width: 55%;
  height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.35), transparent);
  transform: skewX(-20deg);
  transition: left 0.55s ease;
}

.btn--primary:hover::after {
  left: 165%;
}

.btn--primary:hover {
  background: var(--teal-deep);
  box-shadow: 0 14px 28px -12px rgba(10, 107, 91, 0.6);
}

.btn--ghost {
  background: transparent;
  border-color: var(--ink);
  color: var(--ink);
}

.btn--ghost:hover {
  background: var(--ink);
  color: var(--paper);
}

.btn--light {
  background: #fff;
  color: var(--teal-ink);
  box-shadow: 0 14px 34px -16px rgba(0, 0, 0, 0.5);
}

.btn--light:hover {
  background: #eafff8;
}

.btn--outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.4);
  color: var(--dark-ink);
}

.btn--outline:hover {
  border-color: #fff;
  color: #fff;
}

/* ============================================================
   Masthead
   ============================================================ */
.masthead {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 132px 0 34px;
  overflow: hidden;
  color: var(--ink);
  background:
    radial-gradient(115% 85% at 88% -5%, rgba(10, 107, 91, 0.12), transparent 52%),
    radial-gradient(85% 70% at -6% 96%, rgba(143, 93, 34, 0.08), transparent 55%),
    linear-gradient(180deg, #faf8f1 0%, var(--paper) 82%);
}

.masthead__glow {
  position: absolute;
  top: -190px;
  right: -160px;
  width: 660px;
  height: 660px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(10, 107, 91, 0.14), transparent 62%);
  pointer-events: none;
}

.masthead__grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 46px 46px;
  opacity: 0.5;
  -webkit-mask-image: radial-gradient(ellipse 95% 85% at 50% 0%, #000 25%, transparent 78%);
  mask-image: radial-gradient(ellipse 95% 85% at 50% 0%, #000 25%, transparent 78%);
  pointer-events: none;
}

/* poster corner ticks */
.masthead__corner {
  position: absolute;
  top: 90px;
  left: 18px;
  width: 34px;
  height: 34px;
  border-top: 1px solid rgba(27, 30, 34, 0.28);
  border-left: 1px solid rgba(27, 30, 34, 0.28);
  pointer-events: none;
}

.masthead__corner--2 {
  top: auto;
  left: auto;
  right: 18px;
  bottom: 22px;
  border-top: none;
  border-left: none;
  border-right: 1px solid rgba(27, 30, 34, 0.28);
  border-bottom: 1px solid rgba(27, 30, 34, 0.28);
}

.masthead__inner {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(32px, 5vw, 76px);
}

.masthead__content {
  flex: 1 1 auto;
  max-width: 660px;
}

.masthead__kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--teal);
  border: 1px solid rgba(10, 107, 91, 0.3);
  border-radius: 999px;
  padding: 6px 13px;
  margin-bottom: 24px;
}

.masthead__name {
  font-family: var(--font-display);
  font-weight: 620;
  font-size: clamp(2.5rem, 9vw, 6.5rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin-bottom: 26px;
}

.masthead__name-serif {
  font-style: italic;
  font-weight: 500;
  color: var(--teal);
}

/* Word-by-word entrance */
.masthead__name .word {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.65em) rotateX(50deg);
  transform-origin: 50% 100%;
  will-change: transform, opacity;
  animation: word-in 0.7s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-delay: calc(var(--wi) * 0.05s + 0.25s);
}

.masthead__name-serif .word {
  animation-delay: calc(var(--wi) * 0.05s + 0.6s);
}

@keyframes word-in {
  to {
    opacity: 1;
    transform: translateY(0) rotateX(0deg);
  }
}

.masthead__intro {
  max-width: 54ch;
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 28px;
  text-wrap: pretty;
}

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

/* hero footer chrome */
.masthead__footer {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.masthead__scroll {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--ink-soft);
  animation: bob 2.6s ease-in-out infinite;
}

.masthead__footer-note {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

@keyframes bob {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(5px);
  }
}

/* Portrait */
.portrait {
  flex: 0 0 auto;
  width: clamp(200px, 22vw, 300px);
  position: relative;
  perspective: 900px;
}

/* calm offset hairline behind */
.portrait::before {
  content: "";
  position: absolute;
  inset: -12px;
  border: 1px solid rgba(27, 30, 34, 0.2);
  border-radius: var(--radius);
  transform: rotate(1.6deg);
  z-index: 0;
  pointer-events: none;
}

.portrait__frame {
  position: relative;
  z-index: 1;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 26px 50px -28px rgba(27, 30, 34, 0.28);
  transform: rotateY(0deg) rotateX(0deg);
  transition: transform 0.18s ease-out;
  will-change: transform;
}

.portrait img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

/* --- hero portrait --- */
.masthead__portrait {
  width: clamp(200px, 22vw, 300px);
}

.masthead .portrait__frame {
  border: 1px solid var(--line);
}

/* ============================================================
   Layout — sidebar + main
   ============================================================ */
.layout {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: clamp(32px, 4.5vw, 64px);
  align-items: start;
  padding-top: 10px;
  padding-bottom: clamp(48px, 7vw, 80px);
}

/* ============================================================
   Sidebar
   ============================================================ */
.sidebar {
  position: sticky;
  top: 88px;
  min-width: 0;
}

.sidebar__card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
  box-shadow: 0 10px 30px -24px rgba(27, 30, 34, 0.3);
}

.sidebar__block {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.sidebar__block:first-child {
  padding-top: 0;
}

.sidebar__block:last-of-type {
  border-bottom: none;
  padding-bottom: 0;
}

.sidebar__label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 500;
  margin-bottom: 12px;
}

.sidebar__link {
  display: block;
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--ink);
  padding: 4px 0;
  overflow-wrap: anywhere;
  transition: color 0.2s ease;
}

.sidebar__link:hover {
  color: var(--teal);
}

.sidebar__link--icon {
  display: flex;
  align-items: center;
  gap: 9px;
}

.sidebar__link--icon svg {
  flex: 0 0 auto;
  color: var(--ink-soft);
  transition: color 0.2s ease;
}

.sidebar__link--icon:hover svg {
  color: var(--teal);
}

.sidebar__link--icon span {
  overflow-wrap: anywhere;
}

.sidebar__link:not(:first-of-type) {
  margin-top: 3px;
}

.sidebar__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sidebar__list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  font-size: 0.85rem;
  color: var(--ink);
}

.sidebar__list li span {
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
}

.sidebar__list--compact li {
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
  gap: 10px;
  color: var(--ink-soft);
  font-size: 0.82rem;
  line-height: 1.5;
}

.sidebar__list--compact li::before {
  content: "";
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--gold);
  margin-top: 0.5em;
}

.sidebar__cta {
  width: 100%;
  margin-top: 20px;
}

/* ============================================================
   Main column
   ============================================================ */
.main-col {
  min-width: 0;
}

.block {
  padding: clamp(36px, 5vw, 52px) 0;
  border-bottom: 1px solid var(--line);
}

.block:first-child {
  padding-top: 0;
}

.block:last-child {
  border-bottom: none;
}

.block__title {
  font-family: var(--font-display);
  font-weight: 470;
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin-bottom: 22px;
  text-wrap: balance;
}

.block__body p {
  color: var(--ink-soft);
  margin-bottom: 16px;
  max-width: 70ch;
  text-wrap: pretty;
}

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

/* ============================================================
   Timeline
   ============================================================ */
.timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin-top: 8px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: var(--line);
}

.timeline__item {
  position: relative;
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: clamp(16px, 3vw, 36px);
  padding-left: 32px;
}

.timeline__item::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 6px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--surface);
  border: 3px solid var(--teal);
  animation: dot-pulse 3.2s ease-out infinite;
}

@keyframes dot-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(10, 107, 91, 0.35);
  }
  70% {
    box-shadow: 0 0 0 9px rgba(10, 107, 91, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(10, 107, 91, 0);
  }
}

.timeline__period {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--teal);
  letter-spacing: 0.03em;
  font-weight: 500;
  padding-top: 4px;
}

.timeline__body h3 {
  font-family: var(--font-display);
  font-size: 1.22rem;
  font-weight: 520;
  letter-spacing: -0.01em;
  margin-bottom: 3px;
}

.timeline__org {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--ink-soft);
  margin-bottom: 12px;
  letter-spacing: 0.03em;
}

.timeline__body ul {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.timeline__body li {
  position: relative;
  color: var(--ink-soft);
  font-size: 0.9rem;
  padding-left: 18px;
}

.timeline__body li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 0.55em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold);
  opacity: 0.75;
}

/* ============================================================
   Skills
   ============================================================ */
.skills {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.skill-group {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 20px;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.skill-group:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-soft);
  border-color: rgba(10, 107, 91, 0.35);
}

.skill-group__title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--ink);
  margin-bottom: 14px;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.tags li {
  font-size: 0.78rem;
  color: var(--ink-soft);
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 4px 10px;
  border-radius: 999px;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.tags li:hover {
  color: var(--teal);
  border-color: var(--teal);
  background: rgba(10, 107, 91, 0.06);
}

/* ============================================================
   Education
   ============================================================ */
.edu-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.edu-item {
  min-width: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 22px;
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.edu-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-soft);
}

.edu-item__head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.edu-item__logo-row {
  flex: 0 0 176px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.edu-item__logo-row--stack {
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.edu-item__logo {
  display: block;
  width: 176px;
  height: 52px;
  object-fit: contain;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.edu-item__main {
  flex: 1 1 auto;
  min-width: 0;
}

.edu-item__meta {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
  text-align: right;
}

.edu-item__badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  font-weight: 500;
  color: var(--teal);
  background: rgba(10, 107, 91, 0.09);
  border: 1px solid rgba(10, 107, 91, 0.25);
  padding: 4px 9px;
  border-radius: 6px;
}

.edu-item__period {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-soft);
  white-space: nowrap;
}

.edu-item h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 520;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}

.edu-item__org {
  color: var(--ink-soft);
  font-size: 0.84rem;
}

.edu-item__list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.edu-item__list li {
  position: relative;
  color: var(--ink-soft);
  font-size: 0.84rem;
  padding-left: 16px;
}

.edu-item__list li::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 0.55em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold);
  opacity: 0.75;
}

/* ============================================================
   Certifications
   ============================================================ */
.certs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.cert-group {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 20px 22px;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.cert-group:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-soft);
  border-color: rgba(10, 107, 91, 0.35);
}

.cert-group__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 6px;
}

.cert-group__title {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--ink);
}

.cert-group__count {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--gold);
  background: rgba(143, 93, 34, 0.08);
  border: 1px solid rgba(143, 93, 34, 0.3);
  border-radius: 6px;
  padding: 2px 8px;
}

.cert-group ul {
  display: flex;
  flex-direction: column;
}

.cert-group li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 2px;
  border-bottom: 1px solid var(--line);
  font-size: 0.84rem;
  font-weight: 500;
  line-height: 1.4;
}

.cert-group li:last-child {
  border-bottom: none;
  padding-bottom: 2px;
}

.cert-group li em {
  font-style: italic;
  font-weight: 400;
  color: var(--ink-soft);
  font-size: 0.78rem;
}

.cert-group li span:last-child {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 400;
  color: var(--gold);
  white-space: nowrap;
}

/* ============================================================
   Contact strip
   ============================================================ */
.contact-strip {
  background: var(--dark);
  color: var(--dark-ink);
  border-radius: var(--radius);
  padding: clamp(28px, 4vw, 42px);
  text-align: center;
  margin-top: 8px;
  position: relative;
  overflow: hidden;
}

.contact-strip::before {
  content: "";
  position: absolute;
  top: -110px;
  right: -110px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(10, 107, 91, 0.45), transparent 70%);
  pointer-events: none;
}

.contact-strip__title {
  position: relative;
  font-family: var(--font-display);
  font-weight: 450;
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: #fff;
  line-height: 1.1;
  margin-bottom: 12px;
}

.contact-strip__text {
  position: relative;
  max-width: 52ch;
  margin: 0 auto 24px;
  font-size: 0.92rem;
}

.contact-strip__actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

/* ============================================================
   Footer
   ============================================================ */
.footer {
  background: #0c1215;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px 24px;
  padding: 24px clamp(20px, 4vw, 44px);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: #5c6d68;
  letter-spacing: 0.04em;
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
}

.footer__links a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s ease;
}

.footer__links a:hover {
  color: #7fd4c0;
}

/* ============================================================
   Back to top
   ============================================================ */
.to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 90;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  box-shadow: 0 14px 30px -18px rgba(27, 30, 34, 0.45);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s,
    background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.to-top:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

@media (max-width: 720px) {
  .to-top {
    right: 14px;
    bottom: 14px;
    width: 42px;
    height: 42px;
  }
}

/* ============================================================
   Reveal (only when JS is active)
   ============================================================ */
.js .reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: calc(var(--d, 0) * 90ms);
}

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

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 960px) {
  .layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .sidebar {
    position: static;
  }

  .sidebar__card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 32px;
  }

  .sidebar__block {
    padding: 16px 0;
    border-bottom: 1px solid var(--line);
  }

  .sidebar__block:nth-child(-n + 2) {
    padding-top: 0;
  }

  .sidebar__cta {
    grid-column: 1 / -1;
    margin-top: 20px;
  }
}

@media (max-width: 720px) {
  .nav__links {
    position: fixed;
    inset: 68px 0 auto 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    padding: 14px 22px 22px;
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.3s ease, opacity 0.3s ease, visibility 0.3s;
    box-shadow: 0 24px 40px -24px rgba(27, 30, 34, 0.25);
  }

  .nav__links.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav__links a {
    padding: 11px 0;
    font-size: 1rem;
  }

  .nav__toggle {
    display: flex;
  }

  .nav__actions .btn {
    display: none;
  }

  .masthead {
    padding-top: 116px;
  }

  .masthead__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 28px;
  }

  .masthead__portrait {
    width: 190px;
  }

  .masthead__corner {
    display: none;
  }

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

  .portrait {
    width: 180px;
  }

  .timeline__item {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .skills,
  .edu-list,
  .certs {
    grid-template-columns: 1fr;
  }

  .sidebar__card {
    display: block;
  }

  .sidebar__block:nth-child(-n + 2) {
    padding-top: 18px;
  }

  .edu-item__head {
    flex-wrap: wrap;
    row-gap: 12px;
  }

  .edu-item__main {
    flex-basis: 100%;
    order: 3;
  }

  .edu-item__meta {
    align-items: flex-end;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 16px;
  }

  .masthead__actions,
  .contact-strip__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .masthead__actions .btn,
  .contact-strip__actions .btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .js .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .masthead__name .word {
    opacity: 1;
    transform: none;
  }

  .masthead__scroll,
  .timeline__item::before {
    animation: none;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

/* ============================================================
   Print
   ============================================================ */
@media print {
  .grain,
  .nav,
  .portrait,
  .sidebar,
  .contact-strip,
  .footer,
  .to-top {
    display: none !important;
  }

  body {
    background: #fff;
    font-size: 11.5px;
  }

  .masthead {
    padding: 20px 0 0;
    min-height: 0;
    color: var(--ink);
    background: none;
  }

  .masthead__name {
    color: var(--ink);
    font-size: 1.8rem;
  }

  .masthead__name-serif {
    color: var(--teal);
  }

  .masthead__kicker,
  .masthead__intro,
  .masthead__footer {
    color: var(--ink);
  }

  .block {
    padding: 18px 0;
    border: none;
  }

  .layout {
    display: block;
    padding: 0;
  }

  .container {
    max-width: 100%;
  }

  .js .reveal {
    opacity: 1;
    transform: none;
  }

  a {
    color: var(--ink);
  }
}