/* ==========================================================================
   Paola Tumambing — Portfolio Stylesheet (Warm Editorial)
   Mobile-first CSS · Edit tokens in :root to adjust colors, type, or spacing
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600&display=swap');

:root {
  /* Color Tokens — Direction 01: Warm Editorial */
  --ink: #171714;
  --paper: #f2f0e9;
  --line: color-mix(in srgb, var(--ink) 32%, transparent);
  --accent: #ff4a22;
  --accent-contrast: #f2f0e9;
  --muted: #d8d4c8;
  --error: #b4261d;

  /* Typography & Surface Tokens */
  --radius: 0;
  --display-font: 'DM Sans', sans-serif;
  --body-font: 'DM Sans', sans-serif;
  --image-filter: saturate(0.82);

  /* Mobile-first Layout & Spacing Tokens (<= 640px default) */
  --margin: 1rem;
  --gutter: 0.65rem;
  --section: 6rem;

  /* Section aliases */
  --xi: var(--ink);
  --xp: var(--paper);
  --xa: var(--accent);
  --xl: var(--line);
  --xd: var(--display-font);
  --xdw: 500;
  --xf: var(--image-filter);
  --xb: var(--muted);
  --xe: var(--error);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body-font);
  font-size: 0.82rem;
  line-height: 1.35;
  -webkit-font-smoothing: antialiased;
}

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

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
}

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

/* Page View Switching */
.page-view {
  display: none;
}

.page-view.active {
  display: block;
}

/* ==========================================================================
   Layout Shell, Header & Topbar Navigation
   ========================================================================== */

.site {
  min-height: 100vh;
  padding-inline: var(--margin);
  padding-bottom: 6rem;
  overflow-x: hidden;
}

.topbar {
  min-height: 4rem;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--gutter);
  align-items: center;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--line);
}

.wordmark {
  grid-column: span 4;
  font-weight: 600;
  letter-spacing: -0.04em;
  font-size: 1rem;
}

.topbar nav {
  grid-column: 5 / -1;
  display: flex;
  justify-content: flex-end;
  gap: 1.1rem;
}

.topbar nav a,
footer a {
  position: relative;
}

.topbar nav a::after,
footer a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -0.2rem;
  height: 1px;
  background: currentColor;
  transition: right 180ms ease;
}

.topbar nav a:hover::after,
.topbar nav a[aria-current='page']::after,
footer a:hover::after {
  right: 0;
}

.topbar nav a[aria-current='page'] {
  font-weight: 600;
}

.location {
  display: none;
  grid-column: 10 / -1;
  text-align: right;
  margin: 0;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
  min-height: calc(100svh - 4rem);
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-template-rows: auto 1fr auto;
  gap: var(--gutter);
  padding-block: 1.5rem 2rem;
}

.kicker {
  grid-column: 1 / 7;
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-size: 0.66rem;
}

.hero h1 {
  grid-column: 1 / -1;
  align-self: center;
  margin: 0;
  font-family: var(--display-font);
  font-size: 24vw;
  font-weight: 500;
  letter-spacing: -0.085em;
  line-height: 0.78;
}

.hero-bottom {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--gutter);
  align-items: end;
}

.hero-copy {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  max-width: 29rem;
}

.hero-copy p {
  margin: 0;
  font-size: clamp(1.05rem, 1.45vw, 1.4rem);
  letter-spacing: -0.025em;
}

.hero-copy small {
  opacity: 0.7;
  line-height: 1.4;
}

.hero-ctas {
  grid-column: 1 / -1;
  justify-content: flex-start;
  margin-top: 1.5rem;
}

.arrow {
  width: 1rem;
  height: 1rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.2;
  transition: transform 180ms ease;
}

.arrow-up {
  transform: rotate(180deg);
}

/* ==========================================================================
   Ruled Sections & Shared Typography
   ========================================================================== */

.ruled-section {
  border-top: 1px solid var(--ink);
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--gutter);
  padding-block: 1.25rem var(--section);
}

.section-label {
  grid-column: 1 / -1;
  display: flex;
  gap: 0.6rem;
  align-items: center;
  align-self: start;
  margin: 0 0 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.66rem;
}

.section-label span {
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 50%;
  background: var(--accent);
}

.x-sec {
  container-type: inline-size;
}

.site .x-body {
  grid-column: 1 / -1;
  min-width: 0;
}

.x-head {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--gutter);
  padding-block: clamp(3rem, 7vw, 6rem) clamp(2.5rem, 5vw, 5rem);
}

.x-head > * {
  grid-column: 1 / -1;
}

.x-kicker {
  margin: 0 0 2rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.68rem;
}

.x-head h1 {
  max-width: 14ch;
  margin: 0;
  font-family: var(--xd);
  font-weight: var(--xdw);
  font-size: clamp(3.2rem, 10.5vw, 10rem);
  line-height: 0.92;
  letter-spacing: -0.065em;
}

.x-intro {
  max-width: 36rem;
  margin: 2.5rem 0 0;
  font-size: clamp(1rem, 1.4vw, 1.3rem);
  line-height: 1.4;
}

.x-sec .x-lead {
  max-width: 48rem;
  margin: 0 0 1.5rem;
  font-family: var(--xd);
  font-weight: var(--xdw);
  font-size: clamp(1.4rem, 2.6vw, 2.4rem);
  line-height: 1.18;
  letter-spacing: -0.035em;
}

.x-sec .x-copy {
  max-width: 38rem;
  margin: 0 0 1.25rem;
  line-height: 1.55;
  opacity: 0.85;
}

.x-sec h3 {
  margin: 0;
  font-family: var(--xd);
  font-weight: var(--xdw);
  letter-spacing: -0.04em;
}

.x-sec small {
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ==========================================================================
   Buttons & Interactive States (:hover, :focus-visible, :active, :disabled)
   ========================================================================== */

.x-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 1.5rem;
  border: 1px solid var(--xi);
  border-radius: 0;
  background: var(--xi);
  color: var(--xp);
  font: inherit;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition:
    background 0.25s,
    color 0.25s,
    border-color 0.25s,
    transform 0.15s;
}

.x-btn:hover {
  background: var(--xa);
  border-color: var(--xa);
  color: var(--xp);
}

.x-btn:active {
  background: color-mix(in srgb, var(--xa) 78%, #000);
  border-color: color-mix(in srgb, var(--xa) 78%, #000);
  color: var(--xp);
  transform: translateY(1px);
}

.x-btn-ghost {
  background: transparent;
  color: var(--xi);
}

.x-btn-ghost:hover {
  background: var(--xi);
  border-color: var(--xi);
  color: var(--xp);
}

.x-btn-ghost:active {
  background: color-mix(in srgb, var(--xi) 82%, var(--xp));
  border-color: var(--xi);
  color: var(--xp);
}

.x-btn:disabled {
  background: transparent;
  border-color: var(--xl);
  color: var(--xl);
  opacity: 0.6;
  cursor: wait;
}

:is(a, button, summary, [role='button'], input, select, textarea):focus-visible {
  outline: 2px solid var(--xa);
  outline-offset: 3px;
}

.topbar nav a:active,
footer a:active,
.x-filters button:active,
.x-tabs button:active,
.x-stage-nav button:active:not(:disabled),
.x-links a:active {
  opacity: 0.65;
}

.x-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.x-cta .x-body {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.x-cta .x-lead {
  margin: 0;
  font-size: clamp(2rem, 4.5vw, 4rem);
}

/* ==========================================================================
   Case Studies (2-Column Full-Row Width Grid + Interactive 6-Stage Panel)
   ========================================================================== */

.x-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.x-tags li {
  padding: 0.3rem 0.65rem;
  border: 1px solid var(--xl);
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.x-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gutter);
}

.x-card {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.55rem;
  padding: 0.9rem 0 1rem;
  border: 0;
  border-top: 2px solid var(--xl);
  background: none;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  opacity: 0.62;
  transition:
    opacity 0.25s,
    border-color 0.25s;
}

.x-card:hover,
.x-card.active {
  opacity: 1;
}

.x-card.active {
  border-top-color: var(--xa);
}

.x-card-img {
  display: block;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--xb);
}

.x-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: var(--xf);
  transition: transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.x-card:hover .x-card-img img {
  transform: scale(1.035);
}

.x-card strong {
  font-family: var(--xd);
  font-weight: var(--xdw);
  font-size: clamp(1.3rem, 2vw, 1.9rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.x-detail {
  margin-top: 3rem;
  padding: clamp(1.25rem, 3vw, 2.5rem);
  border: 1px solid var(--xl);
}

.x-detail-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  margin-bottom: 1.5rem;
}

.x-sec .x-detail-head h3 {
  font-size: clamp(1.8rem, 3.4vw, 3.2rem);
  line-height: 1;
}

.x-detail-head p {
  margin: 0;
  font-size: 0.78rem;
  opacity: 0.7;
}

.x-tabs {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--xl);
  overflow-x: auto;
}

.x-tabs button {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: -1px;
  padding: 0.75rem 0.9rem;
  border: 0;
  border-bottom: 2px solid transparent;
  background: none;
  color: inherit;
  font: inherit;
  font-size: 0.72rem;
  white-space: nowrap;
  opacity: 0.6;
}

.x-tabs button:hover,
.x-tabs button.active {
  opacity: 1;
}

.x-tabs button.active {
  border-bottom-color: var(--xa);
}

.x-tabs button small {
  display: inline-grid;
  place-items: center;
  width: 1.2rem;
  height: 1.2rem;
  border: 1px solid currentColor;
  border-radius: 50%;
  font-size: 0.6rem;
  letter-spacing: 0;
}

.x-sec .x-stage h3 {
  margin-bottom: 1.2rem;
  font-family: inherit;
  font-weight: 500;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.x-stage > p {
  max-width: 44rem;
  margin: 0 0 0.9rem;
  line-height: 1.55;
}

.x-sec .x-stage > p.x-lead {
  margin-top: 1.5rem;
}

.x-points,
.x-learn,
.x-iter {
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
}

.x-points li {
  max-width: 44rem;
  padding: 0.55rem 0 0.55rem 1.4rem;
  border-top: 1px solid var(--xl);
  position: relative;
  line-height: 1.5;
}

.x-points li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 1.1rem;
  width: 0.7rem;
  height: 1px;
  background: var(--xa);
}

.x-personas {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gutter);
  margin-top: 2rem;
}

.x-personas article {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 1.25rem;
  border: 1px solid var(--xl);
}

.x-personas h4 {
  margin: 0;
  font-size: 1rem;
  font-weight: 500;
}

.x-personas blockquote {
  margin: 0.25rem 0;
  font-family: var(--xd);
  font-size: 1.25rem;
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.x-wires {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gutter);
}

.x-wires figure {
  margin: 0;
}

.x-wires figcaption {
  margin-top: 0.6rem;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.x-wf {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 22rem;
  aspect-ratio: 4 / 5;
  padding: 10px;
  border: 1px solid var(--xi);
  background: var(--xp);
}

.x-wf i {
  display: flex;
  gap: 6px;
  border: 1px dashed color-mix(in srgb, var(--xi) 45%, transparent);
  background: var(--xb);
}

.x-wf i b {
  flex: 1;
  background: var(--xp);
  border: 1px dashed color-mix(in srgb, var(--xi) 35%, transparent);
}

.x-wf-nav {
  flex: 0 0 18px;
  align-items: center;
  justify-content: flex-end;
  padding: 0 6px;
}

.x-wf-nav b {
  flex: 0 0 22px;
  height: 4px;
  border: 0;
  background: var(--xi);
  opacity: 0.5;
}

.x-wf-hero {
  flex: 2.2;
}

.x-wf-grid,
.x-wf-side,
.x-wf-list,
.x-wf-form {
  border: 0;
  background: none;
}

.x-wf-grid {
  flex: 1.4;
}

.x-wf-side {
  flex: 2;
}

.x-wf-side b:first-child {
  flex: 2;
}

.x-wf-list {
  flex: 1.5;
  flex-direction: column;
}

.x-wf-form {
  flex: 1.8;
  flex-direction: column;
}

.x-wf-form b {
  border: 1px solid color-mix(in srgb, var(--xi) 45%, transparent);
}

.x-wf-cta {
  flex: 0 0 22px;
  width: 40%;
  align-self: center;
  border: 0;
  background: var(--xi);
  opacity: 0.55;
}

.x-iter li {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 1rem;
  padding: 1rem 0;
  border-top: 1px solid var(--xl);
}

.x-iter li > span {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--xa);
}

.x-iter p {
  margin: 0.25rem 0 0;
  opacity: 0.75;
}

.x-final {
  display: grid;
  grid-template-columns: 1fr;
  column-gap: 2rem;
  row-gap: 1.5rem;
}

.x-final h3 {
  grid-column: 1 / -1;
}

.x-shot {
  margin: 0;
  aspect-ratio: 4 / 3;
  background: var(--xb);
  overflow: hidden;
}

.x-shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: var(--xf);
}

.x-metric strong {
  display: block;
  font-family: var(--xd);
  font-weight: var(--xdw);
  font-size: clamp(3rem, 6vw, 5rem);
  line-height: 1;
  letter-spacing: -0.05em;
  color: var(--xa);
}

.x-learn {
  counter-reset: learn;
}

.x-learn li {
  counter-increment: learn;
  display: grid;
  grid-template-columns: 3rem 1fr;
  padding: 0.9rem 0;
  border-top: 1px solid var(--xl);
  font-family: var(--xd);
  font-weight: var(--xdw);
  font-size: clamp(1.1rem, 1.8vw, 1.5rem);
  letter-spacing: -0.03em;
  line-height: 1.25;
}

.x-learn li::before {
  content: counter(learn, decimal-leading-zero);
  font-family: var(--body-font);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  color: var(--xa);
  padding-top: 0.5rem;
}

.x-stage-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--xl);
  font-size: 0.72rem;
}

.x-stage-nav button {
  padding: 0.4rem 0;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.x-stage-nav button:hover:not(:disabled) {
  color: var(--xa);
}

.x-stage-nav button:disabled {
  opacity: 0.3;
  cursor: default;
}

 .x-skillgroupmain button {
  padding: 0.7rem 0;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.6rem;
}

.x-skillgroupmain button:hover:not(:disabled) {
  color: var(--xa);
}

/* ==========================================================================
   About & Skills Section
   ========================================================================== */

.x-about-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem var(--gutter);
  align-items: start;
}

.x-portrait {
  margin: 0;
}

.x-portrait img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: 54% center;
  background: var(--xb);
  filter: var(--xf);
}

.x-portrait figcaption {
  margin-top: 0.6rem;
  font-size: 0.64rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.6;
}

.x-trio {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 3rem;
}

.x-trio h3 {
  margin-bottom: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--xi);
  font-size: 1.15rem;
}

.x-skillgroup {
  margin-bottom: 1rem;
}

.x-skillgroup small {
  display: block;
  margin-bottom: 0.4rem;
  opacity: 0.6;
}

.x-facts {
  margin: 1.5rem 0 0;
}

.x-facts div {
  display: grid;
  grid-template-columns: 6rem 1fr;
  gap: 1rem;
  padding: 0.6rem 0;
  border-top: 1px solid var(--xl);
}

.x-facts dt {
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.6;
}

.x-facts dd {
  margin: 0;
}

.x-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1rem;
}

.x-links a,
.x-facts a {
  border-bottom: 1px solid currentColor;
}

/* ==========================================================================
   Services & Process Steps
   ========================================================================== */

.x-services,
.x-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.x-services > li {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 1rem var(--gutter);
  padding: 1.5rem 0 2rem;
  border-top: 1px solid var(--xi);
}

.x-services > li > p,
.x-services > li > div {
  grid-column: 2;
}

.x-num {
  font-size: 0.7rem;
  color: var(--xa);
}

.x-services h3 {
  font-size: clamp(1.6rem, 2.8vw, 2.6rem);
  line-height: 1.05;
}

.x-services p {
  margin: 0;
  line-height: 1.55;
  max-width: 26rem;
}

.x-services small {
  display: block;
  margin-top: 0.9rem;
  opacity: 0.65;
}

.x-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem var(--gutter);
}

.x-steps li {
  padding-top: 0.9rem;
  border-top: 1px solid var(--xi);
}

.x-steps h3 {
  margin: 0.6rem 0;
  font-size: 1.7rem;
}

.x-steps p {
  margin: 0;
  line-height: 1.5;
  opacity: 0.8;
}

/* ==========================================================================
   Contact / Inquiry Form & FAQ
   ========================================================================== */

.x-contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem var(--gutter);
}

.x-form {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.6rem var(--gutter);
  position: relative;
}

.x-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-width: 0;
}

.x-field.wide,
.x-form .wide {
  grid-column: 1 / -1;
}

.x-field > label {
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.x-field > label em {
  font-style: normal;
  opacity: 0.55;
}

.x-field :is(input, select, textarea):not([type='checkbox']) {
  width: 100%;
  padding: 0.65rem 0;
  border: 0;
  border-bottom: 1px solid var(--xi);
  border-radius: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  font-size: 1rem;
}

.x-field textarea {
  resize: vertical;
  min-height: 7rem;
}

.x-field.has-error :is(input, select, textarea) {
  border-bottom-color: var(--xe);
}

.x-error {
  color: var(--xe);
  font-size: 0.72rem;
}

.x-check {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  text-transform: none;
  letter-spacing: 0;
}

.x-check input {
  width: 1.1rem;
  height: 1.1rem;
  accent-color: var(--xi);
}

.x-submit {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.25rem;
}

.x-submit small {
  max-width: 24rem;
  text-transform: none;
  letter-spacing: 0;
  opacity: 0.6;
  line-height: 1.4;
}

.x-trap {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.x-success {
  padding: 2rem;
  border: 1px solid var(--xl);
}

.x-sec .x-success h3 {
  margin-bottom: 0.75rem;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1;
}

.x-success p {
  max-width: 32rem;
  margin-bottom: 1.5rem;
  line-height: 1.55;
}

.x-success button {
  padding: 0;
  border: 0;
  border-bottom: 1px solid currentColor;
  background: none;
  color: inherit;
  font: inherit;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.x-faq {
  margin: 0;
}

.x-faq div {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem var(--gutter);
  padding: 1.1rem 0;
  border-top: 1px solid var(--xl);
}

.x-faq dt {
  font-family: var(--xd);
  font-weight: var(--xdw);
  font-size: 1.3rem;
  letter-spacing: -0.03em;
}

.x-faq dd {
  margin: 0;
  line-height: 1.5;
}

/* ==========================================================================
   Footer
   ========================================================================== */

footer {
  border-top: 1px solid var(--ink);
  min-height: 7rem;
  padding-block: 2rem;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--gutter);
  row-gap: 2rem;
  align-items: start;
}

footer > p {
  grid-column: 1 / 7;
  margin: 0;
}

footer > div {
  grid-column: 1 / -1;
  grid-row: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 2rem;
}

footer > a {
  grid-column: 8 / -1;
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ==========================================================================
   Responsive Breakpoints (Mobile-first: >= 521px, >= 641px, >= 801px, >= 901px)
   ========================================================================== */

@media (min-width: 521px) {
  .x-cards {
    grid-template-columns: repeat(2, 1fr);
  }
  .x-steps,
  .x-personas,
  .x-wires,
  .x-form {
    grid-template-columns: repeat(2, 1fr);
  }
  .x-about-top {
    grid-template-columns: minmax(0, 14rem) 1fr;
  }
  .x-iter li {
    grid-template-columns: 3.5rem 1fr;
  }
}

@media (min-width: 641px) {
  :root {
    --margin: 1.5rem;
    --gutter: 1rem;
    --section: clamp(6rem, 11vw, 11rem);
  }

  .site {
    padding-bottom: 0;
  }

  .topbar {
    min-height: 5rem;
  }

  .wordmark {
    grid-column: span 3;
  }

  .topbar nav {
    grid-column: 7 / -1;
    gap: 2rem;
  }

  .hero {
    min-height: calc(100svh - 5rem);
    padding-block: 2.25rem 3rem;
  }

  .hero h1 {
    font-size: clamp(5rem, 16.3vw, 9rem);
    line-height: 0.74;
    white-space: nowrap;
  }

  .section-label {
    grid-column: 1 / 5;
    margin-bottom: 0;
  }

  footer {
    padding-block: 0;
    align-items: center;
    row-gap: 0;
  }

  footer > p {
    grid-column: 1 / 4;
  }

  footer > div {
    grid-column: 4 / 10;
    grid-row: auto;
  }

  footer > a {
    grid-column: 10 / -1;
  }
}

@media (min-width: 801px) {
  .site .x-body {
    grid-column: 4 / -1;
  }
  .x-cards {
    grid-template-columns: repeat(2, 1fr);
  }
  .x-trio {
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem var(--gutter);
  }
  .x-about-top {
    grid-template-columns: 1fr 2.2fr;
  }
  .x-contact-grid {
    grid-template-columns: 4fr 7fr;
  }
  .x-final {
    grid-template-columns: 1.3fr 1fr;
  }
  .x-services > li {
    grid-template-columns: 3rem 1.2fr 1.4fr 1.2fr;
  }
  .x-services > li > p,
  .x-services > li > div {
    grid-column: auto;
  }
  .x-steps {
    grid-template-columns: repeat(4, 1fr);
  }
  .x-faq div {
    grid-template-columns: 1fr 1.2fr;
  }
}

@media (min-width: 901px) {
  :root {
    --margin: 2.25rem;
    --gutter: 1.25rem;
  }

  .location {
    display: block;
  }

  .topbar nav {
    justify-content: flex-start;
    grid-column: span 6;
  }

  .kicker {
    grid-column: 1 / 4;
  }

  .hero h1 {
    font-size: clamp(5.5rem, 16.6vw, 16.5rem);
  }

  .hero-copy {
    grid-column: 1 / 6;
  }

  .hero-ctas {
    grid-column: 7 / -1;
    justify-content: flex-end;
    margin-top: 0;
  }

  .section-label {
    grid-column: 1 / 4;
  }
}

/* ==========================================================================
   Entrance & Scroll Motion (Skipped when prefers-reduced-motion is enabled)
   ========================================================================== */

@keyframes x-rise {
  from {
    opacity: 0;
    transform: translateY(1.75rem);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .site .hero > * {
    animation: x-rise 0.8s cubic-bezier(0.2, 0.7, 0.2, 1) both;
  }
  .site .hero > :nth-child(2) {
    animation-delay: 0.12s;
  }
  .site .hero > :nth-child(3) {
    animation-delay: 0.24s;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}