/* ==========================================================================
   Yusuf Isa — yusufisa.my
   A quiet, typography-led portfolio with restrained glass surfaces.
   ========================================================================== */

@font-face {
  font-family: "Instrument Serif";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("assets/fonts/instrument-serif-latin-regular.woff2") format("woff2");
}

@font-face {
  font-family: "Instrument Serif";
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("assets/fonts/instrument-serif-latin-italic.woff2") format("woff2");
}

@font-face {
  font-family: "Archivo";
  font-style: normal;
  font-weight: 400 600;
  font-stretch: 100%;
  font-display: swap;
  src: url("assets/fonts/archivo-latin-400-600-normal.woff2") format("woff2");
}

@font-face {
  font-family: "DM Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("assets/fonts/dm-mono-latin.woff2") format("woff2");
}

:root {
  color-scheme: light;

  --font-serif: "Instrument Serif", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --font-sans: "Archivo", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-mono: "DM Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;

  --bg: #f5f4ef;
  --bg-deep: #efeee8;
  --ink: #161a16;
  --ink-soft: #4f564e;
  --ink-faint: #636b63;
  --accent: #3f6b51;
  --accent-ink: #f7fbf7;
  --accent-soft: #e7efe8;
  --live: #3f6b51;

  --line: rgba(22, 26, 22, 0.11);
  --line-strong: rgba(22, 26, 22, 0.2);

  --glass: rgba(255, 255, 255, 0.46);
  --glass-border: rgba(255, 255, 255, 0.72);
  --glass-highlight: rgba(255, 255, 255, 0.7);
  --glass-shadow: 0 24px 65px -40px rgba(29, 38, 31, 0.38);
  --hover: rgba(22, 26, 22, 0.045);

  --header-bg: rgba(245, 244, 239, 0.82);
  --menu-bg: rgba(245, 244, 239, 0.94);
  --backdrop: rgba(24, 30, 25, 0.22);
  --glow-one: rgba(148, 174, 151, 0.26);
  --glow-two: rgba(207, 193, 172, 0.22);
  --card-glow: rgba(102, 140, 112, 0.23);

  --page-pad: clamp(1.25rem, 4vw, 3.5rem);
  --page-width: 1120px;
  --radius: 1.15rem;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

html[data-theme="dark"] {
  color-scheme: dark;

  --bg: #0d100e;
  --bg-deep: #0a0d0b;
  --ink: #eef0ea;
  --ink-soft: #b0b8b0;
  --ink-faint: #919b92;
  --accent: #a3cbae;
  --accent-ink: #102015;
  --accent-soft: rgba(163, 203, 174, 0.12);
  --live: #9dcca8;

  --line: rgba(238, 240, 234, 0.11);
  --line-strong: rgba(238, 240, 234, 0.2);

  --glass: rgba(255, 255, 255, 0.055);
  --glass-border: rgba(255, 255, 255, 0.12);
  --glass-highlight: rgba(255, 255, 255, 0.12);
  --glass-shadow: 0 28px 70px -38px rgba(0, 0, 0, 0.9);
  --hover: rgba(255, 255, 255, 0.055);

  --header-bg: rgba(13, 16, 14, 0.84);
  --menu-bg: rgba(13, 16, 14, 0.95);
  --backdrop: rgba(0, 0, 0, 0.5);
  --glow-one: rgba(63, 99, 76, 0.24);
  --glow-two: rgba(88, 75, 58, 0.1);
  --card-glow: rgba(79, 128, 93, 0.17);
}

/* --------------------------------------------------------------------------
   Base
   -------------------------------------------------------------------------- */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100svh;
  overflow-x: hidden;
  isolation: isolate;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  transition: background-color 0.35s ease, color 0.35s ease;
}

body.menu-open {
  overflow: hidden;
}

h1,
h2,
h3,
p,
figure,
dl,
dd {
  margin: 0;
}

h1,
h2,
h3 {
  font-weight: 400;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

a {
  color: inherit;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}

button {
  border: 0;
  padding: 0;
  background: none;
  color: inherit;
  font: inherit;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

svg {
  display: block;
  width: 1em;
  height: 1em;
}

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

time {
  font-variant-numeric: tabular-nums;
}

::selection {
  background: var(--accent);
  color: var(--accent-ink);
}

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

:focus:not(:focus-visible) {
  outline: none;
}

main:focus {
  outline: none;
}

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 300;
  padding: 0.75rem 1rem;
  border-radius: 0.45rem;
  background: var(--ink);
  color: var(--bg);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.05em;
  translate: 0 -170%;
  transition: translate 0.2s ease;
}

.skip-link:focus {
  translate: 0 0;
}

.container {
  width: min(calc(100% - (var(--page-pad) * 2)), var(--page-width));
  margin-inline: auto;
}

.svg-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.page-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(58rem 44rem at 88% -8%, var(--glow-one), transparent 66%),
    radial-gradient(48rem 40rem at -12% 100%, var(--glow-two), transparent 70%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-deep) 100%);
  transition: background 0.35s ease;
}

.label,
.kicker {
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: 0.095em;
  text-transform: uppercase;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--ink-soft);
  font-size: 0.72rem;
  line-height: 1.5;
}

.status-dot {
  display: inline-block;
  flex: 0 0 auto;
  width: 0.36rem;
  height: 0.36rem;
  border-radius: 50%;
  background: var(--live);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.noscript-note {
  padding: 1rem var(--page-pad);
  border-top: 1px solid var(--line);
  background: var(--bg);
  color: var(--ink-soft);
  font-size: 0.8rem;
  text-align: center;
}

.noscript-note a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition:
    background-color 0.3s ease,
    border-color 0.3s ease,
    box-shadow 0.3s ease;
}

.site-header.is-stuck {
  border-bottom-color: var(--line);
  background: var(--header-bg);
  box-shadow: 0 1px 0 rgba(22, 26, 22, 0.03);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  backdrop-filter: blur(20px) saturate(150%);
}

.header__inner {
  display: grid;
  width: min(calc(100% - (var(--page-pad) * 2)), var(--page-width));
  min-height: 4.6rem;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 2rem;
  margin-inline: auto;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  justify-self: start;
  width: fit-content;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 1.25rem;
  line-height: 1;
  letter-spacing: -0.02em;
}

.brand__dot {
  color: var(--accent);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(1.2rem, 2.4vw, 2.1rem);
}

.nav__link {
  position: relative;
  padding: 0.35rem 0;
  color: var(--ink-soft);
  font-size: 0.79rem;
  line-height: 1.2;
  transition: color 0.2s ease;
}

.nav__link::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.25s var(--ease-out);
}

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

.nav__link[aria-current] {
  color: var(--ink);
}

.nav__link[aria-current]::after {
  transform: scaleX(1);
}

.header__actions {
  display: flex;
  align-items: center;
  justify-self: end;
  gap: 0.5rem;
}

.theme-toggle {
  display: grid;
  width: 2.35rem;
  height: 2.35rem;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ink-soft);
  transition:
    color 0.2s ease,
    border-color 0.2s ease,
    background-color 0.2s ease;
}

.theme-toggle:hover {
  border-color: var(--line-strong);
  background: var(--hover);
  color: var(--ink);
}

.theme-toggle__icon {
  width: 0.92rem;
  height: 0.92rem;
}

.theme-toggle__icon--sun {
  display: none;
}

html[data-theme="dark"] .theme-toggle__icon--moon {
  display: none;
}

html[data-theme="dark"] .theme-toggle__icon--sun {
  display: block;
}

.menu-button {
  display: none;
  align-items: center;
  gap: 0.45rem;
  min-height: 2.35rem;
  padding: 0.25rem 0 0.25rem 0.25rem;
  color: var(--ink);
  font-size: 0.77rem;
  font-weight: 500;
}

.menu-button__icon {
  display: grid;
  width: 0.9rem;
  gap: 4px;
}

.menu-button__icon i {
  display: block;
  width: 100%;
  height: 1px;
  background: currentColor;
  transition: transform 0.2s var(--ease-out);
}

.menu-button:hover .menu-button__icon i:first-child {
  transform: translateX(2px);
}

.menu-button:hover .menu-button__icon i:last-child {
  transform: translateX(-2px);
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */

.hero {
  padding-block: clamp(8rem, 15vh, 10.5rem) clamp(4rem, 8vh, 6.5rem);
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 21rem;
  gap: clamp(3rem, 7vw, 6rem);
  align-items: center;
}

.hero__copy {
  min-width: 0;
  max-width: 43rem;
}

.hero__eyebrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  color: var(--ink-soft);
  font-size: 0.72rem;
  line-height: 1.5;
  animation: hero-in 0.7s 0.05s var(--ease-out) both;
}

.hero__eyebrow-sep {
  color: var(--ink-faint);
}

.hero__title {
  margin-top: 1.7rem;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: clamp(4.5rem, 12vw, 8.9rem);
  font-weight: 400;
  line-height: 0.82;
  letter-spacing: -0.045em;
  animation: hero-in 0.8s 0.1s var(--ease-out) both;
}

.hero__title em {
  color: var(--ink);
  font-style: italic;
}

.hero__dot {
  color: var(--accent);
}

.hero__role {
  margin-top: 1.35rem;
  color: var(--ink);
  font-size: clamp(0.95rem, 1.2vw, 1.08rem);
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: -0.012em;
  animation: hero-in 0.7s 0.17s var(--ease-out) both;
}

.hero__lede {
  max-width: 38rem;
  margin-top: 0.8rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.75;
  animation: hero-in 0.7s 0.22s var(--ease-out) both;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 2rem;
  animation: hero-in 0.7s 0.28s var(--ease-out) both;
}

.button {
  display: inline-flex;
  min-height: 2.85rem;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.65rem 1rem;
  border: 1px solid transparent;
  border-radius: 0.55rem;
  font-size: 0.79rem;
  font-weight: 500;
  line-height: 1.2;
  white-space: nowrap;
  transition:
    background-color 0.2s ease,
    border-color 0.2s ease,
    color 0.2s ease,
    transform 0.2s ease;
}

.button svg {
  width: 0.88rem;
  height: 0.88rem;
  transition: transform 0.25s var(--ease-out);
}

.button:hover {
  transform: translateY(-1px);
}

.button:hover svg {
  transform: translate(2px, -2px);
}

.button--primary {
  background: var(--ink);
  color: var(--bg);
}

.button--primary:hover {
  background: var(--accent);
  color: var(--accent-ink);
}

.button--ghost {
  border-color: var(--line-strong);
  background: transparent;
  color: var(--ink);
}

.button--ghost:hover {
  border-color: var(--line-strong);
  background: var(--hover);
}

.hero__aside {
  position: relative;
  isolation: isolate;
  justify-self: end;
  width: 21rem;
  max-width: 100%;
  animation: hero-in 0.8s 0.25s var(--ease-out) both;
}

.hero__aside::before {
  content: "";
  position: absolute;
  inset: 8% 0.85rem -10% 0.85rem;
  z-index: -1;
  border-radius: 50%;
  background: radial-gradient(circle, var(--card-glow), transparent 68%);
  filter: blur(28px);
  pointer-events: none;
}

.profile-card {
  position: relative;
  overflow: hidden;
  padding: 1.35rem;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  background: var(--glass);
  box-shadow:
    var(--glass-shadow),
    inset 0 1px 0 var(--glass-highlight);
  -webkit-backdrop-filter: blur(24px) saturate(145%);
  backdrop-filter: blur(24px) saturate(145%);
}

.profile-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(140deg, rgba(255, 255, 255, 0.18), transparent 44%);
  pointer-events: none;
}

.profile-card > * {
  position: relative;
  z-index: 1;
}

.profile-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.profile-card__monogram {
  display: grid;
  width: 2.1rem;
  height: 2.1rem;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-family: var(--font-serif);
  font-size: 1.02rem;
  font-style: italic;
  line-height: 1;
}

.profile-card__statement {
  max-width: 14ch;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 1.5rem;
  line-height: 1.14;
  letter-spacing: -0.02em;
}

.profile-card__statement strong {
  color: var(--accent);
  font-weight: 400;
}

.profile-card__details {
  margin-top: 1.4rem;
  border-top: 1px solid var(--line);
}

.profile-card__details > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.58rem;
  border-bottom: 1px solid var(--line);
}

.profile-card__details dt {
  color: var(--ink-faint);
  font-size: 0.7rem;
}

.profile-card__details dd {
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.01em;
  text-align: right;
}

.profile-card__email {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1rem;
  color: var(--ink);
  font-size: 0.76rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.profile-card__email svg {
  width: 0.8rem;
  height: 0.8rem;
  transition: transform 0.2s var(--ease-out);
}

.profile-card__email:hover {
  color: var(--accent);
}

.profile-card__email:hover svg {
  transform: translate(2px, -2px);
}

@keyframes hero-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
}

/* --------------------------------------------------------------------------
   About
   -------------------------------------------------------------------------- */

.about {
  padding-block: clamp(4rem, 7vw, 6rem);
  border-top: 1px solid var(--line);
}

.about__grid {
  display: grid;
  grid-template-columns: 12rem minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4.5rem) clamp(2rem, 7vw, 7rem);
  align-items: start;
}

.about__grid > .kicker {
  padding-top: 0.55rem;
}

.about__content {
  max-width: 53rem;
}

.about__title {
  max-width: 22ch;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 4.4vw, 3.85rem);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.028em;
  text-wrap: balance;
}

.about__title em {
  color: var(--accent);
  font-style: italic;
}

.about__copy {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem 3rem;
  margin-top: 2.2rem;
  padding-top: 1.45rem;
  border-top: 1px solid var(--line);
}

.about__copy p {
  max-width: 39ch;
  color: var(--ink-soft);
  font-size: 0.91rem;
  line-height: 1.75;
  text-wrap: pretty;
}

.about__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2rem;
  margin-top: 2.4rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
}

.about__facts > div {
  display: grid;
  align-content: start;
  gap: 0.35rem;
}

.about__facts dt {
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.about__facts dd {
  max-width: 22ch;
  color: var(--ink);
  font-size: 0.78rem;
  line-height: 1.55;
}

/* --------------------------------------------------------------------------
   Projects
   -------------------------------------------------------------------------- */

.projects {
  padding-block: clamp(4rem, 7vw, 6rem);
  border-top: 1px solid var(--line);
}

.projects__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 23rem);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: end;
  margin-bottom: 2.6rem;
}

.projects__title {
  margin-top: 0.55rem;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: clamp(2.7rem, 4.5vw, 4rem);
  line-height: 0.96;
  letter-spacing: -0.032em;
}

.projects__aside {
  justify-self: end;
  max-width: 23rem;
  padding-bottom: 0.15rem;
}

.projects__aside p {
  margin-bottom: 1.05rem;
  color: var(--ink-soft);
  font-size: 0.86rem;
  line-height: 1.7;
  text-wrap: pretty;
}

.text-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding-bottom: 0.2rem;
  color: var(--ink);
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1.4;
}

.text-link::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  background: var(--line-strong);
  transition: background-color 0.2s ease;
}

.text-link svg {
  width: 0.82rem;
  height: 0.82rem;
  transition: transform 0.2s var(--ease-out);
}

.text-link:hover {
  color: var(--accent);
}

.text-link:hover::after {
  background: var(--accent);
}

.text-link:hover svg {
  transform: translate(2px, -2px);
}

.project-list {
  border-top: 1px solid var(--line);
}

.project {
  display: grid;
  grid-template-columns: 3.35rem minmax(0, 1fr) auto;
  gap: 1.5rem;
  align-items: center;
  padding: 1.3rem 0.65rem;
  border-bottom: 1px solid var(--line);
  border-radius: 0.65rem;
  transition: background-color 0.2s ease;
}

.project:hover {
  background: var(--hover);
}

.project__mark {
  display: grid;
  width: 3.35rem;
  height: 3.35rem;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 0.6rem;
  background: var(--glass);
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-style: italic;
  line-height: 1;
}

.project--rumah .project__mark {
  border-color: rgba(78, 94, 72, 0.12);
  background: #e8e1d4;
  color: #4e5e48;
}

.project--kira .project__mark {
  border-color: transparent;
  background: #25382c;
  color: #eef0e8;
}

.project--jalan .project__mark {
  border-color: rgba(64, 87, 69, 0.12);
  background: #dce4dc;
  color: #405745;
}

.project__body {
  min-width: 0;
}

.project__topline {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
}

.project__title {
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 1.1rem;
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: -0.012em;
}

.project__year {
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 0.61rem;
  letter-spacing: 0.04em;
}

.project__desc {
  margin-top: 0.15rem;
  color: var(--ink-soft);
  font-size: 0.85rem;
  line-height: 1.55;
}

.project__meta {
  margin-top: 0.3rem;
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.035em;
  line-height: 1.5;
  text-transform: uppercase;
}

.project__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--ink-soft);
  font-size: 0.74rem;
  line-height: 1.4;
  white-space: nowrap;
  transition: color 0.2s ease;
}

.project__cta svg {
  width: 0.78rem;
  height: 0.78rem;
  transition: transform 0.2s var(--ease-out);
}

.project:hover .project__cta {
  color: var(--accent);
}

.project:hover .project__cta svg {
  transform: translate(2px, -2px);
}

/* --------------------------------------------------------------------------
   FAQ
   -------------------------------------------------------------------------- */

.faq {
  padding-block: clamp(4rem, 7vw, 6rem);
  border-top: 1px solid var(--line);
}

.faq__grid {
  display: grid;
  grid-template-columns: 12rem minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4.5rem) clamp(2rem, 7vw, 7rem);
  align-items: start;
}

.faq__grid > .kicker {
  padding-top: 0.55rem;
}

.faq__content {
  max-width: 53rem;
}

.faq__title {
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: clamp(2.7rem, 4.5vw, 4rem);
  font-weight: 400;
  line-height: 0.96;
  letter-spacing: -0.032em;
}

.faq__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 2rem;
  border-top: 1px solid var(--line);
}

.faq__item {
  padding-block: 1.25rem 1.35rem;
  border-bottom: 1px solid var(--line);
}

.faq__item:nth-child(odd) {
  padding-right: clamp(1.5rem, 3vw, 3rem);
}

.faq__item:nth-child(even) {
  padding-left: clamp(1.5rem, 3vw, 3rem);
}

.faq__item h3 {
  margin-bottom: 0.45rem;
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: -0.008em;
}

.faq__item p {
  max-width: 37ch;
  color: var(--ink-soft);
  font-size: 0.85rem;
  line-height: 1.72;
  text-wrap: pretty;
}

.faq__item a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--line-strong);
  text-underline-offset: 0.2em;
}

.faq__item a:hover {
  color: var(--accent);
  text-decoration-color: var(--accent);
}

/* --------------------------------------------------------------------------
   Contact
   -------------------------------------------------------------------------- */

.contact {
  padding-block: clamp(4rem, 7vw, 6rem) clamp(4.5rem, 8vw, 7rem);
  border-top: 1px solid var(--line);
}

.contact__card {
  position: relative;
  padding: clamp(1.35rem, 3vw, 2.6rem);
  border: 1px solid var(--glass-border);
  border-radius: 1.5rem;
  background: var(--glass);
  box-shadow:
    var(--glass-shadow),
    inset 0 1px 0 var(--glass-highlight);
  -webkit-backdrop-filter: blur(24px) saturate(145%);
  backdrop-filter: blur(24px) saturate(145%);
}

.contact__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--line);
}

.contact__main {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(18rem, 0.9fr);
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: end;
  padding-block: clamp(2.6rem, 5vw, 4rem);
}

.contact__title {
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 4.6vw, 4.2rem);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.contact__title em {
  color: var(--accent);
  font-style: italic;
}

.contact__copy > p {
  max-width: 38ch;
  margin-top: 1.1rem;
  color: var(--ink-soft);
  font-size: 0.9rem;
  line-height: 1.7;
  text-wrap: pretty;
}

.contact__details {
  width: 100%;
  max-width: 27rem;
  justify-self: end;
}

.contact__email-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 0.55rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--line-strong);
}

.contact__email {
  color: var(--ink);
  font-size: clamp(1.15rem, 2.1vw, 1.45rem);
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -0.02em;
  transition: color 0.2s ease;
}

.contact__email:hover {
  color: var(--accent);
}

.copy-button {
  display: inline-flex;
  min-width: 2rem;
  min-height: 2rem;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.35rem 0.42rem;
  border: 1px solid transparent;
  border-radius: 0.35rem;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.04em;
  line-height: 1;
  text-transform: uppercase;
  transition:
    color 0.2s ease,
    background-color 0.2s ease,
    border-color 0.2s ease;
}

.copy-button svg {
  width: 0.75rem;
  height: 0.75rem;
}

.copy-button__check {
  display: none;
}

.copy-button:hover {
  border-color: var(--line);
  background: var(--hover);
  color: var(--ink);
}

.copy-button.is-copied {
  color: var(--accent);
}

.copy-button.is-copied .copy-button__copy {
  display: none;
}

.copy-button.is-copied .copy-button__check {
  display: block;
}

.contact__note {
  margin-top: 0.8rem;
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.02em;
  line-height: 1.6;
}

.contact__socials {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-top: 1.55rem;
}

.contact__socials a {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  color: var(--ink-soft);
  font-size: 0.73rem;
  transition: color 0.2s ease;
}

.contact__socials svg {
  width: 0.7rem;
  height: 0.7rem;
  transition: transform 0.2s var(--ease-out);
}

.contact__socials a:hover {
  color: var(--accent);
}

.contact__socials a:hover svg {
  transform: translate(2px, -2px);
}

.contact__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 0.59rem;
  letter-spacing: 0.025em;
  line-height: 1.6;
}

.contact__back {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--ink-soft);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  white-space: nowrap;
  transition: color 0.2s ease;
}

.contact__back span {
  transition: transform 0.2s var(--ease-out);
}

.contact__back:hover {
  color: var(--accent);
}

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

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

.site-footer {
  padding-block: 2rem 1.5rem;
  border-top: 1px solid var(--line);
}

.footer__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.35rem;
}

.footer__nav a {
  padding-block: 0.25rem;
  color: var(--ink-soft);
  font-size: 0.74rem;
  transition: color 0.2s ease;
}

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

.footer__note {
  color: var(--ink-soft);
  font-size: 0.73rem;
  text-align: right;
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  margin-top: 2rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.035em;
  line-height: 1.6;
}

.footer__bottom a {
  padding-block: 0.25rem;
  color: var(--ink-soft);
  transition: color 0.2s ease;
}

.footer__bottom a:hover {
  color: var(--accent);
}

/* --------------------------------------------------------------------------
   Mobile menu
   -------------------------------------------------------------------------- */

.site-menu {
  width: 100%;
  max-width: none;
  height: 100dvh;
  max-height: none;
  margin: 0;
  padding: 0;
  border: 0;
  background: var(--menu-bg);
  color: var(--ink);
  -webkit-backdrop-filter: blur(28px) saturate(140%);
  backdrop-filter: blur(28px) saturate(140%);
}

.site-menu::backdrop {
  background: var(--backdrop);
  -webkit-backdrop-filter: blur(5px);
  backdrop-filter: blur(5px);
}

@keyframes menu-in {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
}

.site-menu[open] {
  animation: menu-in 0.3s var(--ease-out) both;
}

.site-menu__inner {
  display: flex;
  width: min(calc(100% - (var(--page-pad) * 2)), var(--page-width));
  min-height: 100dvh;
  flex-direction: column;
  margin-inline: auto;
  padding-block: 1rem 1.6rem;
  overflow-y: auto;
}

.site-menu__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

.menu-close {
  display: grid;
  width: 2.5rem;
  height: 2.5rem;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ink);
  transition: background-color 0.2s ease;
}

.menu-close:hover {
  background: var(--hover);
}

.menu-close svg {
  width: 0.95rem;
  height: 0.95rem;
}

.site-menu__main {
  display: flex;
  flex: 1;
  flex-direction: column;
  justify-content: center;
  padding-block: 2rem;
}

.site-menu__main > .kicker {
  margin-bottom: 1.4rem;
}

.site-menu__nav {
  display: grid;
}

.site-menu__nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 0.8rem;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 10vw, 5rem);
  line-height: 1;
  letter-spacing: -0.03em;
  transition: color 0.2s ease;
}

.site-menu__nav a:first-child {
  border-top: 1px solid var(--line);
}

.site-menu__nav a:hover {
  color: var(--accent);
}

.site-menu__nav svg {
  width: 1.1rem;
  height: 1.1rem;
  color: var(--ink-faint);
  transition: transform 0.2s var(--ease-out);
}

.site-menu__nav a:hover svg {
  transform: translate(2px, -2px);
}

.site-menu__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.6rem;
}

.site-menu__foot a {
  text-decoration: underline;
  text-decoration-color: var(--line-strong);
  text-underline-offset: 0.25em;
}

/* --------------------------------------------------------------------------
   Motion
   -------------------------------------------------------------------------- */

.js [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity 0.65s var(--ease-out),
    transform 0.7s var(--ease-out);
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

.js .project-list[data-reveal] {
  transition-delay: 0.05s;
}

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

@media (max-width: 1080px) {
  .hero__grid {
    grid-template-columns: minmax(0, 1fr) 19.5rem;
    gap: 3rem;
  }

  .hero__title {
    font-size: clamp(4.2rem, 11.8vw, 7.4rem);
  }

  .hero__aside {
    width: 19.5rem;
  }

  .about__grid {
    grid-template-columns: 9rem minmax(0, 1fr);
    gap: 2.5rem 4rem;
  }
}

@media (max-width: 960px) {
  .hero {
    padding-block: 8rem 4.5rem;
  }

  .hero__grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero__copy {
    max-width: 42rem;
  }

  .hero__title {
    font-size: clamp(4.5rem, 13vw, 7.4rem);
  }

  .hero__aside {
    justify-self: start;
    width: min(100%, 24rem);
  }

  .about__grid {
    grid-template-columns: 1fr;
    gap: 1.35rem;
  }

  .about__grid > .kicker {
    padding-top: 0;
  }

  .about__content {
    max-width: 47rem;
  }

  .faq__grid {
    grid-template-columns: 1fr;
    gap: 1.35rem;
  }

  .faq__grid > .kicker {
    padding-top: 0;
  }

  .faq__content {
    max-width: 47rem;
  }

  .projects__head {
    grid-template-columns: 1fr 20rem;
    gap: 2.5rem;
  }

  .contact__main {
    gap: 3rem;
  }
}

@media (max-width: 840px) {
  .nav {
    display: none;
  }

  .header__inner {
    grid-template-columns: 1fr auto;
  }

  .js .menu-button {
    display: inline-flex;
  }

  .projects__head {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }

  .projects__aside {
    justify-self: start;
    max-width: 34rem;
  }

  .contact__main {
    grid-template-columns: 1fr;
    gap: 2rem;
    align-items: start;
  }

  .contact__details {
    max-width: 100%;
    justify-self: start;
  }

  .contact__foot {
    flex-wrap: wrap;
    gap: 0.4rem 1.5rem;
  }

  .contact__back {
    margin-left: auto;
  }

  .footer__top {
    flex-wrap: wrap;
    gap: 1.25rem 2rem;
  }

  .footer__nav {
    order: 3;
    width: 100%;
  }

  .footer__note {
    text-align: left;
  }

  .footer__bottom {
    flex-wrap: wrap;
    gap: 0.4rem 1.5rem;
  }
}

@media (max-width: 700px) {
  :root {
    --page-pad: clamp(1.15rem, 5vw, 1.4rem);
  }

  html {
    scroll-padding-top: 5rem;
  }

  .header__inner {
    min-height: 4rem;
    gap: 1rem;
  }

  .brand {
    font-size: 1.15rem;
  }

  .nav {
    gap: 1.2rem;
  }

  .hero {
    padding-block: 6.75rem 3.75rem;
  }

  .hero__grid {
    gap: 2.5rem;
  }

  .hero__eyebrow {
    gap: 0.45rem;
    font-size: 0.66rem;
  }

  .hero__title {
    margin-top: 1.3rem;
    font-size: clamp(4.4rem, 15.5vw, 6rem);
  }

  .hero__role {
    margin-top: 1rem;
    font-size: 0.94rem;
  }

  .hero__lede {
    font-size: 0.9rem;
    line-height: 1.7;
  }

  .hero__actions {
    margin-top: 1.6rem;
  }

  .button {
    min-height: 2.75rem;
    font-size: 0.76rem;
  }

  .profile-card {
    padding: 1.2rem;
  }

  .about {
    padding-block: 3.5rem;
  }

  .about__title {
    font-size: clamp(2.25rem, 8vw, 2.9rem);
    max-width: 20ch;
  }

  .faq {
    padding-block: 3.5rem;
  }

  .faq__title {
    font-size: clamp(2.25rem, 8vw, 2.9rem);
  }

  .faq__list {
    grid-template-columns: 1fr;
    margin-top: 1.6rem;
  }

  .faq__item {
    padding-block: 1.1rem 1.15rem;
  }

  .faq__item:nth-child(odd),
  .faq__item:nth-child(even) {
    padding-inline: 0;
  }

  .about__copy {
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-top: 1.7rem;
    padding-top: 1.2rem;
  }

  .about__copy p {
    font-size: 0.88rem;
    line-height: 1.7;
  }

  .about__facts {
    grid-template-columns: 1fr;
    gap: 0;
    margin-top: 1.8rem;
    padding-top: 0;
  }

  .about__facts > div {
    padding-block: 0.75rem;
    border-top: 1px solid var(--line);
  }

  .about__facts > div:first-child {
    margin-top: 1rem;
  }

  .about__facts dd {
    max-width: 32ch;
    font-size: 0.78rem;
  }

  .projects {
    padding-block: 3.5rem;
  }

  .projects__head {
    margin-bottom: 1.8rem;
  }

  .projects__title {
    font-size: clamp(2.5rem, 8vw, 3rem);
  }

  .projects__aside p {
    font-size: 0.84rem;
  }

  .project {
    grid-template-columns: 2.75rem minmax(0, 1fr) auto;
    gap: 0.9rem;
    padding: 1.1rem 0.15rem;
  }

  .project__mark {
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 0.5rem;
    font-size: 1.16rem;
  }

  .project__title {
    font-size: 1.02rem;
  }

  .project__desc {
    font-size: 0.81rem;
  }

  .project__cta {
    width: 2rem;
    height: 2rem;
    justify-content: center;
    gap: 0;
    border: 1px solid var(--line-strong);
    border-radius: 50%;
    font-size: 0;
  }

  .project__cta svg {
    width: 0.82rem;
    height: 0.82rem;
  }

  .project:hover .project__cta {
    border-color: var(--accent);
    background: var(--accent);
    color: var(--accent-ink);
  }

  .contact {
    padding-block: 3.5rem 4.25rem;
  }

  .contact__card {
    padding: 1.15rem;
    border-radius: 1.15rem;
  }

  .contact__top {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.65rem;
    padding-bottom: 1rem;
  }

  .contact__main {
    gap: 1.9rem;
    padding-block: 1.9rem;
  }

  .contact__title {
    font-size: clamp(2.6rem, 9vw, 3.3rem);
  }

  .contact__copy > p {
    font-size: 0.87rem;
  }

  .contact__email {
    font-size: clamp(1.05rem, 4.4vw, 1.25rem);
  }

  .contact__foot {
    gap: 0.35rem 1rem;
    font-size: 0.58rem;
  }

  .contact__back {
    margin-left: 0;
    padding-top: 0.2rem;
  }

  .site-footer {
    padding-block: 1.6rem 1.25rem;
  }

  .footer__nav {
    gap: 1rem;
  }

  .footer__bottom {
    margin-top: 1.4rem;
    font-size: 0.57rem;
  }

  .site-menu__nav a {
    font-size: clamp(2.6rem, 12vw, 3.5rem);
  }

  .site-menu__foot {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.5rem;
  }
}

@media (max-width: 480px) {
  .header__actions {
    gap: 0.35rem;
  }

  .theme-toggle {
    width: 2.25rem;
    height: 2.25rem;
  }

  .menu-button {
    padding-left: 0.15rem;
  }

  .hero__title {
    font-size: clamp(4.2rem, 18.5vw, 5.1rem);
  }

  .hero__eyebrow {
    align-items: center;
  }

  .profile-card {
    padding: 1.1rem;
  }

  .profile-card__statement {
    font-size: 1.4rem;
  }

  .about__title {
    font-size: clamp(2.15rem, 9vw, 2.6rem);
  }

  .contact__email-row {
    gap: 0.5rem;
  }

  .copy-button {
    padding-inline: 0.2rem;
    font-size: 0;
    border-color: transparent;
  }

  .copy-button svg {
    width: 0.9rem;
    height: 0.9rem;
  }

  .contact__foot {
    flex-direction: column;
    align-items: flex-start;
  }

  .contact__back {
    margin-left: 0;
  }

  .footer__top {
    align-items: flex-start;
  }

  .footer__note {
    flex: 1 0 100%;
    order: 4;
  }

  .footer__bottom {
    justify-content: flex-start;
    gap: 0.5rem 1.25rem;
  }

  .footer__bottom a {
    margin-left: auto;
  }
}

@media (max-width: 360px) {
  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .button {
    width: 100%;
    justify-content: space-between;
  }

  .button--ghost {
    justify-content: center;
  }

  .project {
    grid-template-columns: 2.5rem minmax(0, 1fr) auto;
    gap: 0.75rem;
  }

  .project__mark {
    width: 2.5rem;
    height: 2.5rem;
    font-size: 1rem;
  }

  .contact__card {
    padding: 1rem;
  }
}

/* --------------------------------------------------------------------------
   Preferences and support
   -------------------------------------------------------------------------- */

@supports not ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
  .site-header.is-stuck {
    background: var(--bg);
  }

  .profile-card,
  .contact__card,
  .site-menu {
    background: var(--bg-deep);
  }
}

@media (prefers-reduced-transparency: reduce) {
  .site-header.is-stuck,
  .profile-card,
  .contact__card,
  .site-menu {
    background: var(--bg);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }
}

@media (prefers-contrast: more) {
  :root {
    --ink-soft: #343b34;
    --ink-faint: #4d554d;
    --line: rgba(22, 26, 22, 0.24);
    --line-strong: rgba(22, 26, 22, 0.4);
    --glass-border: rgba(255, 255, 255, 0.92);
  }

  html[data-theme="dark"] {
    --ink-soft: #d0d7d0;
    --ink-faint: #b6c0b7;
    --line: rgba(238, 240, 234, 0.24);
    --line-strong: rgba(238, 240, 234, 0.42);
    --glass-border: rgba(255, 255, 255, 0.25);
  }

  .profile-card,
  .contact__card {
    border-color: var(--line-strong);
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-delay: 0ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
    scroll-behavior: auto !important;
  }

  .js [data-reveal] {
    opacity: 1;
    transform: none;
  }
}