/* Saurav Kumar — personal site */

:root {
  --navy: #0a0f1e;
  --navy-2: #121a33;
  --ink: #0f172a;
  --text: #3b4658;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #ffffff;
  --bg-soft: #f5f7fb;
  --blue: #2563eb;
  --blue-dark: #1d4ed8;
  --blue-bright: #6ea2ff;
  --blue-tint: #edf3ff;
  --amber: #f5a524;
  --error: #b42318;
  --on-dark: #c7d0e0;
  --line-dark: rgba(255, 255, 255, 0.12);

  --display: "Poppins", system-ui, -apple-system, "Segoe UI", sans-serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: ui-monospace, "Cascadia Mono", Consolas, monospace;

  --pad: clamp(20px, 5vw, 40px);
  --section: clamp(44px, 5vw, 68px);
  --radius: 16px;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 119px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* The footer always sits at the bottom of the window, even on short pages. */
body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
}

main {
  flex: 1;
}

#main {
  display: flex;
  flex-direction: column;
}

#main > :last-child {
  flex: 1;
}

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

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

img,
svg {
  max-width: 100%;
}

a {
  color: var(--blue);
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--blue-dark);
}

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

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

h1,
h2,
h3 {
  font-family: var(--display);
  color: var(--ink);
  letter-spacing: -0.02em;
}

h1 {
  font-weight: 600;
  font-size: clamp(30px, 3.1vw, 40px);
  line-height: 1.12;
}

h2 {
  font-weight: 600;
  font-size: clamp(23px, 2vw, 26px);
  line-height: 1.12;
}

h3 {
  font-weight: 600;
  font-size: 18px;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin-inline: auto;
  padding-inline: var(--pad);
}

.skip {
  position: absolute;
  left: -9999px;
}

.skip:focus {
  left: 16px;
  top: 16px;
  z-index: 100;
  padding: 10px 16px;
  background: #fff;
  color: #0f172a;
  border-radius: 8px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue);
}

.eyebrow::before {
  content: "";
  flex: none;
  width: 28px;
  height: 2px;
  background: var(--amber);
}

.lede {
  font-size: 16px;
  line-height: 1.6;
  max-width: 60em;
}

h1,
h2,
h3,
.btn,
.brand,
.site-nav a,
.page-nav a,
.jump a,
.more,
.tag,
.case-title,
.faq summary,
.field label,
.field legend,
.choices span,
.facts dd,
.site-footer a {
  text-transform: capitalize;
}

.post-body h2,
.post-body h3,
.facts dd small,
.btn-ghost[href^="mailto:"],
.contact-info a[href^="mailto:"] {
  text-transform: none;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color 0.25s, border-color 0.25s;
}

/* Once the page scrolls, the menu gets a solid background so it stays readable. */
.site-header.is-scrolled,
.site-header.is-open {
  background: rgba(10, 15, 30, 0.94);
  backdrop-filter: blur(10px);
  border-bottom-color: var(--line-dark);
}

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  font-family: var(--display);
  font-weight: 700;
  font-size: 18px;
  color: #fff;
  text-decoration: none;
}

.brand:hover {
  color: #fff;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 2px solid #fff;
  border-radius: 8px;
  font-size: 14px;
  letter-spacing: 0.02em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.4vw, 32px);
}

.site-nav a:not(.btn) {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 15px;
  font-weight: 500;
  color: var(--on-dark);
  text-decoration: none;
}

.site-nav a:not(.btn):hover,
.site-nav a[aria-current="page"]:not(.btn) {
  color: #fff;
}

.site-nav a[aria-current="page"]:not(.btn) {
  box-shadow: inset 0 -2px 0 var(--amber);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 11px 9px;
  border: 1px solid var(--line-dark);
  border-radius: 10px;
  background: transparent;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin-block: 4px;
  background: #fff;
  border-radius: 2px;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 50px;
  padding: 0 24px;
  border: 1.5px solid transparent;
  border-radius: 999px;
  font: inherit;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.15s, border-color 0.15s, color 0.15s, transform 0.15s;
}

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

.btn-primary {
  background: linear-gradient(135deg, #5aa2ff, #2563eb);
  color: #fff;
  box-shadow: 0 10px 28px rgba(37, 99, 235, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #4b93f5, #1d4ed8);
  color: #fff;
}

/* White buttons sit on dark panels in both themes, so their text colour is fixed. */
.btn-light {
  background: #fff;
  color: #0f172a;
}

.btn-light:hover {
  background: #e3ecff;
  color: #0f172a;
}

.btn-ghost {
  border-color: rgba(255, 255, 255, 0.35);
  color: #fff;
}

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

.btn-outline {
  border-color: var(--line);
  background: #fff;
  color: var(--ink);
}

.btn-outline:hover {
  border-color: var(--blue);
  color: var(--blue);
}

.btn-sm {
  min-height: 44px;
  padding: 0 18px;
  font-size: 14px;
}

.btn[disabled] {
  opacity: 0.6;
  cursor: progress;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 32px;
}

.arrow::after {
  content: "\2192";
}

.more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
}

.more::after {
  content: "\2192";
  transition: transform 0.15s;
}

.more:hover::after {
  transform: translateX(3px);
}

/* ---------- Dark hero ---------- */

.hero,
.page-hero {
  position: relative;
  background-color: var(--navy);
  background-image:
    radial-gradient(60% 80% at 85% 0%, rgba(37, 99, 235, 0.28), transparent 70%),
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: auto, 44px 44px, 44px 44px;
  color: var(--on-dark);
}

/* The hero runs up behind the menu, so the two read as one surface. */
.hero,
.page-hero {
  margin-top: -73px;
}

.hero {
  padding-block: calc(clamp(64px, 9vw, 120px) + 73px) clamp(64px, 9vw, 120px);
}

.page-hero {
  padding-block: calc(clamp(36px, 4.5vw, 60px) + 73px) clamp(36px, 4.5vw, 60px);
}

.hero h1,
.page-hero h1 {
  color: #fff;
}

.page-hero h1 {
  font-size: clamp(27px, 2.6vw, 34px);
}

.hero .eyebrow,
.page-hero .eyebrow {
  color: #fff;
}

.hero .lede,
.page-hero .lede {
  margin-top: 22px;
}

.accent {
  color: var(--blue-bright);
}

.hero .lede + .lede {
  margin-top: 14px;
}

/* ---------- Home hero ---------- */

.hero-intro {
  padding-block: calc(clamp(20px, 3.5vw, 44px) + 73px) 20px;
  background-image:
    radial-gradient(50% 70% at 0% 10%, rgba(14, 116, 180, 0.38), transparent 70%),
    radial-gradient(55% 80% at 100% 20%, rgba(88, 60, 200, 0.34), transparent 70%),
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: auto, auto, 44px 44px, 44px 44px;
}

/* The home hero always fills the whole window, so nothing below it shows until you scroll. */
.hero-intro {
  display: flex;
  flex-direction: column;
  min-height: min(100vh, 1200px);
  min-height: min(100svh, 1200px);
}

.hero-intro > .container:first-of-type {
  flex: 1;
}

.hero-cols {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto 44px;
  gap: clamp(32px, 6vw, 88px);
  align-items: center;
}

.hello {
  margin-bottom: 10px;
  font-size: 17px;
  font-weight: 500;
  color: #5aa2ff;
}

.hero-intro h1 {
  font-size: clamp(34px, 3.6vw, 48px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
  text-transform: none;
}

.hero-intro .lede {
  max-width: 30em;
  font-size: clamp(17px, 1.3vw, 18px);
}

/* Each sentence of the hero text starts on its own line. */
.lede .line {
  display: block;
}

.hero-intro .lede b {
  color: #fff;
  font-weight: 600;
}

.arrow.long::after {
  content: "\27F6";
}

.hero-visual {
  position: relative;
  width: min(clamp(210px, 22vw, 300px), 40vh);
  margin: 40px 46px;
}

.hero-visual::before,
.hero-visual::after {
  content: "";
  position: absolute;
  inset: -22px;
  border: 1px solid rgba(110, 162, 255, 0.35);
  border-radius: 999px;
  pointer-events: none;
}

.hero-visual::after {
  inset: -46px;
  border-color: rgba(110, 162, 255, 0.14);
}

.portrait {
  position: relative;
  aspect-ratio: 11 / 15;
  border: 3px solid #3b82f6;
  border-radius: 999px;
  background: linear-gradient(160deg, #1b3a7a, #0d1630 70%);
  box-shadow: 0 0 60px rgba(59, 130, 246, 0.45);
  overflow: hidden;
}

.portrait img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.portrait-fallback {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(48px, 5.5vw, 72px);
  color: rgba(255, 255, 255, 0.9);
}

@keyframes float {
  from {
    transform: translateY(0) rotate(var(--tilt, 0deg));
  }
  to {
    transform: translateY(-16px) rotate(calc(var(--tilt, 0deg) + 8deg));
  }
}

.shape {
  position: absolute;
  z-index: 1;
  animation: float 5s ease-in-out infinite alternate;
}

.shape-tri {
  --tilt: -14deg;
  top: -30px;
  left: -44px;
  width: 72px;
  height: 72px;
  background: linear-gradient(140deg, #7cc4ff, #2f7df6);
  clip-path: polygon(50% 0, 100% 86%, 6% 100%);
  filter: drop-shadow(0 12px 18px rgba(47, 125, 246, 0.5));
}

.shape-ring {
  --tilt: 18deg;
  right: -40px;
  bottom: 10px;
  width: 76px;
  height: 76px;
  border: 15px solid #38bdf8;
  border-radius: 50%;
  box-shadow: 0 12px 26px rgba(56, 189, 248, 0.45), inset 0 -6px 10px rgba(8, 47, 110, 0.5);
  animation-duration: 6.5s;
}

.follow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.follow-label {
  white-space: nowrap;
  writing-mode: vertical-rl;
  padding-bottom: 54px;
  background: linear-gradient(#93a0b8, #93a0b8) bottom center / 1px 40px no-repeat;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #93a0b8;
}

.follow a {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(59, 130, 246, 0.9);
  color: #fff;
  font-size: 15px;
  text-decoration: none;
  transition: transform 0.15s, background-color 0.15s;
}

.follow a:hover {
  transform: translateY(-3px);
  background: #fff;
  color: var(--blue);
}

.follow svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.scroll-cue {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-height: 48px;
  margin-top: 8px;
  font-size: 14px;
  color: #93a0b8;
  text-decoration: none;
}

.scroll-cue:hover {
  color: #fff;
}

.mouse {
  position: relative;
  width: 26px;
  height: 40px;
  border: 1.5px solid currentColor;
  border-radius: 14px;
}

@keyframes wheel {
  0% {
    opacity: 0;
    transform: translateY(0);
  }
  40% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translateY(10px);
  }
}

.mouse::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 8px;
  width: 3px;
  height: 7px;
  margin-left: -1.5px;
  border-radius: 2px;
  background: currentColor;
  animation: wheel 1.6s ease-in-out infinite;
}

/* ---------- Announcement strip ---------- */

.strip {
  border-bottom: 1px solid var(--line);
  background: var(--bg-soft);
  font-size: 15px;
}

.strip .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 4px 24px;
  padding-block: 10px;
}

.strip p {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  color: var(--ink);
}

/* ---------- In-page links ---------- */

/* Stays pinned under the menu, so it is never half hidden after jumping to a section. */
.page-nav {
  position: sticky;
  top: 71px;
  z-index: 40;
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.page-nav .container {
  display: flex;
  gap: 8px 28px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-nav a {
  flex: none;
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  text-decoration: none;
}

.page-nav a:hover {
  color: var(--blue);
}

/* ---------- Sections ---------- */

.section {
  padding-block: var(--section);
}

.section.soft {
  background: var(--bg-soft);
}

.section-head {
  max-width: 960px;
  margin-bottom: clamp(22px, 2.6vw, 32px);
}

.section-head.center {
  margin-inline: auto;
  text-align: center;
}

.section-head.center .eyebrow {
  justify-content: center;
}

.section-head p {
  margin-top: 16px;
}

.head-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px 32px;
  margin-bottom: clamp(22px, 2.6vw, 32px);
}

.head-row .section-head {
  margin-bottom: 0;
}

/* ---------- Cards ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.cards.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  display: flex;
  flex-direction: column;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
}

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

a.card:hover,
.card.lift:hover {
  border-color: var(--blue);
  box-shadow: 0 14px 34px rgba(15, 23, 42, 0.08);
  transform: translateY(-3px);
}

.card h3 {
  margin-bottom: 10px;
}

.card p {
  font-size: 15.5px;
  line-height: 1.6;
}

.card .more {
  margin-top: auto;
  padding-top: 14px;
  color: var(--blue);
}

.card.dark {
  border-color: transparent;
  background: var(--navy);
  color: var(--on-dark);
}

.card.dark h3 {
  color: #fff;
}

.card.dark .more {
  color: #fff;
}

.icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 20px;
  border-radius: 12px;
  background: var(--blue-tint);
  color: var(--blue);
}

.icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 11px;
  border-radius: 999px;
  background: var(--blue-tint);
  color: var(--blue-dark);
  font-size: 12.5px;
  font-weight: 600;
  white-space: nowrap;
}

.tag.amber {
  background: #fff4dc;
  color: #8a5300;
}

.tag.dark {
  background: var(--ink);
  color: #fff;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.card .tags {
  margin-bottom: 16px;
}

.card .tags.foot {
  margin: 18px 0 0;
}

.tag.plain {
  background: var(--bg-soft);
  color: var(--text);
  font-weight: 500;
}

/* ---------- Lists ---------- */

.checks li {
  position: relative;
  padding-left: 34px;
  font-size: 15.5px;
}

.checks li + li {
  margin-top: 12px;
}

.checks li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  top: 2px;
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--blue-tint);
  color: var(--blue);
  font-size: 12px;
  font-weight: 700;
}

.quotes li {
  padding: 14px 18px;
  border-left: 3px solid var(--blue);
  border-radius: 0 10px 10px 0;
  background: var(--bg-soft);
  font-size: 15.5px;
  color: var(--ink);
}

.quotes li + li {
  margin-top: 10px;
}

/* ---------- Split layouts ---------- */

.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(36px, 6vw, 80px);
  align-items: center;
}

.split.top {
  align-items: start;
}

.prose > p + p {
  margin-top: 1em;
}

.prose > h2 + p {
  margin-top: 18px;
}

.split > div > p + p {
  margin-top: 1em;
}

.split h2 + p {
  margin-top: 18px;
}

.split .checks {
  margin-top: 26px;
}

.steps {
  padding: clamp(26px, 4vw, 40px);
  border-radius: 22px;
  background: var(--navy);
  color: var(--on-dark);
  counter-reset: step;
}

.steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 16px;
  padding-block: 16px;
}

.steps li + li {
  border-top: 1px solid var(--line-dark);
}

.steps li::before {
  content: counter(step);
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-family: var(--display);
  font-weight: 700;
}

.steps h3 {
  color: #fff;
  font-size: 16.5px;
}

.steps p {
  margin-top: 4px;
  font-size: 15px;
}

/* ---------- Case files ---------- */

.jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.jump a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--line-dark);
  border-radius: 999px;
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
}

.jump a:hover {
  border-color: #fff;
  color: #fff;
}

.case {
  padding: clamp(20px, 2.6vw, 30px) clamp(22px, 3vw, 36px);
  border: 1px solid var(--line);
  border-radius: 22px;
  background: #fff;
}

.case + .case {
  margin-top: 28px;
}

.case-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.case-num {
  font-family: var(--display);
  font-weight: 700;
  font-size: 14px;
  color: var(--muted);
}

.case h2 {
  font-size: clamp(20px, 1.8vw, 23px);
}

.case-body {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(24px, 4vw, 56px);
  margin-top: 28px;
}

.case-body h3 {
  margin-bottom: 10px;
  font-size: 13px;
  font-family: var(--sans);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.case-body .tags {
  margin-top: 20px;
}

details.case > summary {
  display: block;
  position: relative;
  padding-right: 48px;
  cursor: pointer;
  list-style: none;
}

details.case > summary::-webkit-details-marker {
  display: none;
}

details.case > summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  margin-top: -20px;
  border-radius: 50%;
  background: var(--blue-tint);
  color: var(--blue);
  font-size: 22px;
}

details.case[open] > summary::after {
  content: "\2212";
}

details.case .case-top {
  display: flex;
}

.case-title {
  display: block;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(18px, 1.45vw, 19px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.case-title {
  text-transform: none;
}

.case-text {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.case-text > p {
  margin-bottom: 22px;
  color: var(--ink);
}

details.case:hover {
  border-color: var(--blue);
}

.case + .case,
details.case + details.case {
  margin-top: 12px;
}

.service .icon {
  margin-bottom: 16px;
}

.job-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px 24px;
  padding-bottom: 18px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.job-head h3 {
  font-size: clamp(19px, 1.55vw, 20px);
}

.job-head p {
  margin-top: 4px;
  color: var(--muted);
}

/* ---------- Service blocks ---------- */

.service {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(24px, 4vw, 56px);
  padding: clamp(22px, 3vw, 36px);
  border: 1px solid var(--line);
  border-radius: 22px;
  background: #fff;
}

.service.solo {
  grid-template-columns: 1fr;
}

.service + .service {
  margin-top: 24px;
}

.service h2 {
  font-size: clamp(20px, 1.7vw, 22px);
  margin-bottom: 14px;
}

.service h3 {
  margin-bottom: 12px;
  font-size: 13px;
  font-family: var(--sans);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- Facts ---------- */

.facts {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  overflow: hidden;
}

.facts > div {
  display: grid;
  grid-template-columns: minmax(0, 0.42fr) minmax(0, 1fr);
  gap: 16px;
  padding: 16px 22px;
}

.facts > div + div {
  border-top: 1px solid var(--line);
}

.facts dt {
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  padding-top: 3px;
}

.facts dd {
  font-size: 15.5px;
  color: var(--ink);
}

.facts dd small {
  display: block;
  font-size: 14px;
  color: var(--muted);
}

/* ---------- Skills ---------- */

.skill-list > div {
  display: grid;
  grid-template-columns: minmax(0, 0.32fr) minmax(0, 1fr);
  gap: 8px clamp(24px, 5vw, 72px);
  padding-block: 16px;
  border-top: 1px solid var(--line);
  transition: border-color 0.2s;
}

.skill-list > div:last-child {
  border-bottom: 1px solid var(--line);
}

.skill-list > div:hover {
  border-top-color: var(--blue);
}

.skill-list dt {
  font-family: var(--display);
  font-weight: 600;
  font-size: 16.5px;
  color: var(--ink);
  text-transform: capitalize;
}

.skill-list dd {
  font-size: 15.5px;
  line-height: 1.6;
}

@media (max-width: 640px) {
  .skill-list > div {
    grid-template-columns: 1fr;
    padding-block: 20px;
  }
}

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

.faq details {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
}

.faq details + details {
  margin-top: 12px;
}

.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 60px;
  padding: 14px 22px;
  font-family: var(--display);
  font-weight: 600;
  font-size: 16px;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  font-size: 24px;
  font-weight: 400;
  color: var(--blue);
}

.faq details[open] summary::after {
  content: "\2212";
}

.faq details p {
  padding: 0 22px 22px;
  font-size: 15.5px;
}

/* ---------- CTA band ---------- */

/* The closing band gets a screen of its own: scrolled to the end, only it and the footer show. */
.cta {
  display: flex;
  align-items: center;
  min-height: calc(100vh - 73px);
  min-height: calc(100svh - 73px);
  padding-block: calc(73px + 24px) 24px;
  /* A link to this section scrolls all the way to the end of the page. */
  scroll-margin-top: -119px;
}

.cta > .container {
  flex: 1;
}

/* On the portfolio page the section strip is pinned under the menu too, so leave room for both. */
#main:has(.page-nav) .cta {
  padding-top: calc(120px + 24px);
}

.cta-band {
  padding: clamp(48px, 12vh, 120px) clamp(24px, 5vw, 64px);
  border-radius: 28px;
  background-color: var(--navy);
  background-image: radial-gradient(70% 120% at 100% 0%, rgba(37, 99, 235, 0.35), transparent 70%);
  color: var(--on-dark);
  text-align: center;
}

.cta-band h2 {
  color: #fff;
}

.cta-band p {
  max-width: 56em;
  margin: 16px auto 0;
}

.cta-band .actions {
  justify-content: center;
}

/* ---------- Form ---------- */

.form-card {
  padding: clamp(24px, 4vw, 40px);
  border: 1px solid var(--line);
  border-radius: 22px;
  background: #fff;
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.06);
}

.form {
  display: grid;
  gap: 22px;
}

.field label,
.field legend {
  display: block;
  padding: 0;
  margin-bottom: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}

.field input[type="text"],
.field input[type="email"],
.field input[type="url"],
.field input[type="date"],
.field input[type="password"],
.field select,
.field textarea {
  width: 100%;
  min-height: 50px;
  padding: 12px 14px;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 16px;
}

.field textarea {
  min-height: 160px;
  resize: vertical;
}

.field input:focus-visible,
.field select:focus-visible,
.field textarea:focus-visible {
  outline: 0;
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15);
}

.field [aria-invalid="true"] {
  border-color: var(--error);
}

.field .error {
  margin-top: 6px;
  font-size: 14px;
  color: var(--error);
}

.field .error:empty {
  display: none;
}

.field small {
  display: block;
  margin-top: 6px;
  font-size: 13.5px;
  color: var(--muted);
}

fieldset.field {
  margin: 0;
  padding: 0;
  border: 0;
  min-width: 0;
}

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

.choices label {
  margin: 0;
  font-weight: 500;
  cursor: pointer;
}

.choices input {
  position: absolute;
  opacity: 0;
}

.choices span {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  border: 1.5px solid var(--line);
  border-radius: 999px;
  font-size: 14.5px;
}

.choices input:checked + span {
  border-color: var(--blue);
  background: var(--blue);
  color: #fff;
}

.choices input:focus-visible + span {
  outline: 3px solid var(--blue-bright);
  outline-offset: 2px;
}

.hp {
  position: absolute;
  left: -9999px;
}

.form-status {
  font-size: 15.5px;
  color: var(--ink);
}

.form-status:empty {
  display: none;
}

.form-status.is-error {
  color: var(--error);
}

.contact-info .card + .card {
  margin-top: 16px;
}

.contact-info .card a {
  font-weight: 600;
  overflow-wrap: anywhere;
}

/* ---------- Notes ---------- */

.note-list {
  display: grid;
  gap: 16px;
}

.note-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px 24px;
  align-items: start;
  padding: 26px 28px;
}

.note-item .meta {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  color: var(--muted);
}

.note-item p {
  margin-top: 4px;
}

/* Experiences list: search box and page buttons. */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.post-search {
  display: flex;
  gap: 10px;
}

.post-search-go {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 54px;
  padding: 0 24px;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, #5aa2ff, #2563eb);
  color: #fff;
  font: inherit;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
}

.post-search-go:hover {
  background: linear-gradient(135deg, #4b93f5, #1d4ed8);
}

.post-search-go svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
}

@media (max-width: 560px) {
  .post-search-go {
    padding: 0 18px;
  }

  .post-search-go span {
    display: none;
  }
}

.post-search input {
  flex: 1;
  min-width: 0;
  width: 100%;
  min-height: 54px;
  padding: 0 20px;
  border: 1.5px solid var(--line);
  border-radius: 999px;
  background: var(--bg);
  color: var(--ink);
  font: inherit;
  font-size: 16px;
}

.post-search input:focus-visible {
  outline: 0;
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15);
}

/* Category filter: plain text tabs with an underline on the chosen one. */
.post-filters {
  display: flex;
  gap: 4px 28px;
  margin-top: 18px;
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
  scrollbar-width: none;
}

.post-filters button {
  flex: none;
  min-height: 46px;
  padding: 0;
  border: 0;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  background: none;
  color: var(--muted);
  font: inherit;
  font-size: 15px;
  font-weight: 500;
  text-transform: capitalize;
  cursor: pointer;
}

.post-filters button:hover {
  color: var(--ink);
}

.post-filters button.is-current {
  border-bottom-color: var(--blue);
  color: var(--blue);
  font-weight: 600;
}

.post-count {
  min-height: 24px;
  margin: 14px 0 4px;
  font-size: 15px;
  color: var(--muted);
}

.pager {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 28px;
}

.pager:empty {
  display: none;
}

.pager button {
  min-width: 44px;
  min-height: 44px;
  padding: 0 14px;
  border: 1.5px solid var(--line);
  border-radius: 999px;
  background: var(--bg);
  color: var(--ink);
  font: inherit;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
}

.pager button:hover:not(:disabled) {
  border-color: var(--blue);
  color: var(--blue);
}

.pager button.is-current {
  border-color: var(--blue);
  background: var(--blue);
  color: #fff;
}

[data-theme="dark"] .pager button.is-current {
  color: #0b1122;
}

.pager button:disabled {
  opacity: 0.45;
  cursor: default;
}

.pager-gap {
  color: var(--muted);
}

/* Experiences list: plain rows, title only. */
.note-list:has(.post-link) {
  gap: 0;
}

.post-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: 22px;
  border-bottom: 1px solid var(--line);
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(17px, 1.35vw, 18px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
  text-transform: capitalize;
  transition: color 0.15s, padding-left 0.15s;
}

.post-link::after {
  content: "\2192";
  flex: none;
  color: var(--muted);
  transition: transform 0.15s, color 0.15s;
}

.post-link:hover {
  padding-left: 8px;
  color: var(--blue);
}

.post-link:hover::after {
  transform: translateX(4px);
  color: var(--blue);
}

.empty {
  padding: 40px 28px;
  border: 1.5px dashed var(--line);
  border-radius: var(--radius);
  text-align: center;
  color: var(--muted);
}

/* Blog posts read as one centred column, like an article page. */
.post {
  max-width: 720px;
  margin-inline: auto;
}

#main:has(.post) .page-hero .container > * {
  max-width: 720px;
  margin-inline: auto;
}

/* Table of contents: sits in the left margin and follows the reader down the page. */
.toc {
  display: none;
}

@media (min-width: 1240px) {
  .has-toc {
    position: relative;
  }

  .toc {
    display: block;
    position: absolute;
    top: 0;
    bottom: 0;
    left: var(--pad);
    width: 200px;
  }

  /* Pinned at the same height it starts at, so it never jumps up under the menu. */
  .toc-inner {
    position: sticky;
    top: calc(79px + var(--section));
  }
}

.toc-title {
  margin-bottom: 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.toc a {
  display: block;
  padding: 7px 0 7px 14px;
  border-left: 2px solid var(--line);
  font-size: 14px;
  line-height: 1.4;
  color: var(--muted);
  text-decoration: none;
}

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

.toc a.is-active {
  border-left-color: var(--blue);
  color: var(--blue);
  font-weight: 600;
}

/* A heading reached from the table of contents stops just below the menu, closer than the
   space above the heading, so no line of the previous section shows above it. */
.post-body h2 {
  scroll-margin-top: -18px;
}

#main:has(.post) > .section {
  scroll-margin-top: -46px;
}

#main:has(.post) .page-hero h1 {
  font-size: clamp(26px, 2.6vw, 34px);
  line-height: 1.2;
}

.post-body {
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
}

.post-body > * + * {
  margin-top: 1.15em;
}

.post-body h2 {
  margin-top: 1.8em;
  font-size: clamp(20px, 1.7vw, 22px);
}

.post-body h3 {
  margin-top: 1.6em;
  font-size: 18px;
}

.post-body ul,
.post-body ol {
  padding-left: 1.3em;
}

.post-body ul {
  list-style: disc;
}

.post-body ol {
  list-style: decimal;
}

.post-body li + li {
  margin-top: 0.4em;
}

.post-body blockquote {
  margin-inline: 0;
  padding: 4px 0 4px 20px;
  border-left: 3px solid var(--blue);
  color: var(--text);
}

.post-body code {
  padding: 2px 6px;
  border-radius: 6px;
  background: var(--bg-soft);
  font-family: var(--mono);
  font-size: 0.86em;
}

.post-body pre {
  padding: 20px;
  border-radius: 14px;
  background: var(--navy);
  color: #e6ecf7;
  overflow-x: auto;
  line-height: 1.6;
}

.post-body pre code {
  padding: 0;
  background: none;
  font-size: 13.5px;
}

.post-body img {
  height: auto;
  border-radius: 12px;
}

.post-body table {
  display: block;
  width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
  font-size: 15.5px;
}

.post-body th,
.post-body td {
  padding: 10px 14px;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.post-more {
  margin-top: 48px;
  padding: 26px 28px;
  border-radius: var(--radius);
  background: var(--blue-tint);
  color: var(--ink);
}

.post-more b {
  display: block;
  font-family: var(--display);
  font-size: 19px;
}

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

.site-footer {
  background: var(--navy);
  font-size: 14px;
  color: #93a0b8;
}

.footer-base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 4px 24px;
  padding-block: 14px;
}

.site-footer ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0 24px;
}

.site-footer a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--on-dark);
  text-decoration: none;
}

.site-footer a:hover {
  color: #fff;
  text-decoration: underline;
}

/* ---------- Theme switch ---------- */

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line-dark);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  font: inherit;
  font-size: 17px;
  cursor: pointer;
  transition: background-color 0.15s, transform 0.15s;
}

.theme-toggle:hover {
  background: rgba(255, 255, 255, 0.16);
  transform: rotate(12deg);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.theme-toggle .icon-sun,
.theme-label {
  display: none;
}

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

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

/* ---------- Dark theme ---------- */

[data-theme="dark"] {
  --ink: #f1f5f9;
  --text: #c3cce0;
  --muted: #8f9bb5;
  --line: rgba(255, 255, 255, 0.11);
  --bg: #0b1122;
  --bg-soft: #0f172d;
  --blue: #6ea2ff;
  --blue-dark: #a9c6ff;
  --blue-tint: rgba(110, 162, 255, 0.14);
  color-scheme: dark;
}

[data-theme="dark"] .card:not(.dark),
[data-theme="dark"] .case,
[data-theme="dark"] .service,
[data-theme="dark"] .facts,
[data-theme="dark"] .faq details,
[data-theme="dark"] .form-card,
[data-theme="dark"] .btn-outline,
[data-theme="dark"] .field input,
[data-theme="dark"] .field select,
[data-theme="dark"] .field textarea,
[data-theme="dark"] .preview {
  background: #141d36;
}

[data-theme="dark"] .page-nav {
  background: var(--bg);
}

[data-theme="dark"] .tag {
  color: #a9c6ff;
}

[data-theme="dark"] .tag.amber {
  background: rgba(245, 165, 36, 0.16);
  color: #f6c56e;
}

[data-theme="dark"] .tag.plain {
  color: var(--text);
}

[data-theme="dark"] .tag.dark {
  background: #26324f;
  color: #fff;
}

[data-theme="dark"] .steps,
[data-theme="dark"] .cta-band,
[data-theme="dark"] .card.dark,
[data-theme="dark"] .post-body pre {
  border: 1px solid var(--line);
}

[data-theme="dark"] .site-footer {
  border-top: 1px solid var(--line);
}

[data-theme="dark"] a.card:hover,
[data-theme="dark"] .card.lift:hover {
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .form-card {
  box-shadow: none;
}

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

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes drift {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(-8%, 10%, 0) scale(1.15);
  }
}

.hero,
.page-hero {
  overflow: hidden;
}

.hero::before,
.page-hero::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -10%;
  width: 55%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(79, 140, 255, 0.28), transparent);
  animation: drift 14s ease-in-out infinite alternate;
  pointer-events: none;
}

.hero .container,
.page-hero .container {
  position: relative;
}

.hero .container > *,
.page-hero .container > * {
  animation: rise 0.7s cubic-bezier(0.2, 0.7, 0.2, 1) both;
}

.hero .container > :nth-child(2),
.page-hero .container > :nth-child(2) {
  animation-delay: 0.08s;
}

.hero .container > :nth-child(3),
.page-hero .container > :nth-child(3) {
  animation-delay: 0.16s;
}

.hero .container > :nth-child(4),
.page-hero .container > :nth-child(4) {
  animation-delay: 0.24s;
}

.hero .container > :nth-child(5) {
  animation-delay: 0.32s;
}

.accent {
  background: linear-gradient(90deg, #6ea2ff, #a9c6ff, #6ea2ff);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: shine 6s linear infinite;
}

@keyframes shine {
  to {
    background-position: -200% 0;
  }
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.2, 0.7, 0.2, 1);
  transition-delay: var(--delay, 0s);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.icon {
  transition: transform 0.2s;
}

.card:hover .icon,
.service:hover .icon {
  transform: scale(1.08) rotate(-4deg);
}

.checks li::before {
  transition: background-color 0.2s, color 0.2s;
}

.checks li:hover::before {
  background: var(--blue);
  color: #fff;
}

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

@media (max-width: 1020px) {
  .cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px var(--pad) 24px;
    background: var(--navy);
    border-bottom: 1px solid var(--line-dark);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a:not(.btn) {
    min-height: 52px;
    border-bottom: 1px solid var(--line-dark);
    font-size: 17px;
  }

  .site-nav a[aria-current="page"]:not(.btn) {
    box-shadow: none;
    color: var(--amber);
  }

  .theme-toggle {
    justify-content: flex-start;
    width: 100%;
    height: 52px;
    margin-top: 6px;
    border: 0;
    border-radius: 0;
    background: none;
  }

  .theme-toggle:hover {
    transform: none;
    background: none;
  }

  .theme-label {
    display: inline;
  }

  .split,
  .case-body,
  .service {
    grid-template-columns: 1fr;
  }

  /* Tablets: text and photo stay side by side, with the follow links in a row below. */
  .hero-cols {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .hero-visual {
    width: clamp(170px, 26vw, 230px);
    margin: 40px;
  }

  .follow {
    grid-column: 1 / -1;
    flex-direction: row;
  }

  .follow-label {
    writing-mode: horizontal-tb;
    padding: 0 54px 0 0;
    background-position: right center;
    background-size: 40px 1px;
  }

  .scroll-cue {
    display: none;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 16px;
  }

  .cards,
  .cards.two {
    grid-template-columns: 1fr;
  }

  .actions .btn {
    width: 100%;
  }

  .facts > div,
  .note-item {
    grid-template-columns: 1fr;
  }

  .card,
  .note-item {
    padding: 22px;
  }
}

@media (min-width: 1800px) {
  .container {
    max-width: 1360px;
  }
}

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

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

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

@media print {
  .site-header,
  .site-footer,
  .cta,
  .actions {
    display: none;
  }

  .hero,
  .page-hero {
    background: none;
    color: var(--ink);
  }

  .hero h1,
  .page-hero h1 {
    color: var(--ink);
  }
}

/* Phones: a small photo on top, then the greeting and buttons, all on the first screen. */
@media (max-width: 640px) {
  .hero-intro {
    padding-top: calc(73px + 8px);
  }

  .hero-cols {
    grid-template-columns: 1fr;
    gap: 22px;
    justify-items: start;
  }

  .hero-visual {
    order: -1;
    width: min(38vw, 150px);
    margin: 30px 34px 14px;
    justify-self: center;
  }

  .hero-visual::before {
    inset: -13px;
  }

  .hero-visual::after {
    inset: -28px;
  }

  .shape-tri {
    top: -18px;
    left: -30px;
    width: 44px;
    height: 44px;
  }

  .shape-ring {
    right: -24px;
    bottom: 4px;
    width: 46px;
    height: 46px;
    border-width: 9px;
  }

  .hero-intro .actions {
    margin-top: 22px;
  }

  .follow {
    grid-column: auto;
  }

  /* Long words in headings and code never push the page wider than the screen. */
  h1,
  h2,
  h3,
  .case-title,
  .post-link {
    overflow-wrap: anywhere;
  }


  .cta-band .btn {
    overflow-wrap: anywhere;
    padding-inline: 16px;
    font-size: 14px;
  }
}

/* Very narrow phones: drop the decorative line so the follow links fit on one row. */
@media (max-width: 400px) {
  .follow {
    gap: 10px;
  }

  .follow-label {
    padding-right: 4px;
    background: none;
  }
}

.nowrap {
  white-space: nowrap;
}

/* Phones: tighter cards and lists, and a closing band that does not take a whole screen. */
@media (max-width: 640px) {
  .case {
    padding: 18px;
  }

  .job-head {
    padding-bottom: 14px;
    margin-bottom: 14px;
  }

  .checks li {
    padding-left: 28px;
    font-size: 15px;
    line-height: 1.6;
  }

  .checks li + li {
    margin-top: 10px;
  }

  .checks li::before {
    width: 19px;
    height: 19px;
    font-size: 11px;
  }

  .case-title {
    font-size: 17px;
    font-weight: 600;
    line-height: 1.35;
  }

  details.case > summary {
    padding-right: 44px;
  }

  details.case > summary::after {
    width: 34px;
    height: 34px;
    margin-top: -17px;
    font-size: 19px;
  }

  .case-text {
    margin-top: 16px;
    padding-top: 16px;
  }

  /* Certifications: icon beside the text, not above it. */
  #certifications .card {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    column-gap: 14px;
    padding: 18px;
  }

  #certifications .card .icon {
    grid-row: 1 / span 2;
    width: 40px;
    height: 40px;
    margin: 2px 0 0;
  }

  #certifications .card h3 {
    margin-bottom: 4px;
    font-size: 17px;
  }

  #certifications .card p {
    font-size: 14.5px;
  }

  .skill-list > div {
    padding-block: 16px;
  }

  .cta,
  #main:has(.page-nav) .cta {
    min-height: 0;
    padding-block: var(--section);
  }

  .cta-band {
    padding: 36px 20px;
    border-radius: 22px;
  }

  .footer-base {
    flex-wrap: nowrap;
    font-size: 13px;
  }

  .footer-base p {
    min-width: 0;
  }
}

@media (max-width: 640px) {
  .case-text > p {
    margin-bottom: 14px;
    font-size: 15px;
    line-height: 1.6;
  }
}

/* ---------- Code blocks in blog posts ---------- */

/* Long lines stay on one line and scroll sideways inside the block. Nothing can spill
   outside the block or make the page itself wider than the screen. */
.post-body pre {
  max-width: 100%;
  white-space: pre;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--code-muted, #93a0b8) transparent;
}

#main > *,
.post,
.post-body,
.code-block {
  min-width: 0;
  max-width: 100%;
}

.post {
  max-width: 720px;
}

.code-block {
  --code-bg: #0a0f1e;
  --code-bar: #141b33;
  --code-text: #e6ecf7;
  --code-muted: #93a0b8;
  --code-line: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--code-line);
  border-radius: 14px;
  background: var(--code-bg);
  overflow: hidden;
}

[data-code-theme="light"] .code-block {
  --code-bg: #f6f8fc;
  --code-bar: #e9eef7;
  --code-text: #0f172a;
  --code-muted: #55617a;
  --code-line: #d5dcea;
}

.code-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 4px 6px 4px 16px;
  border-bottom: 1px solid var(--code-line);
  background: var(--code-bar);
  font-family: var(--sans);
}

.code-lang {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--code-muted);
}

.code-tools {
  display: flex;
  gap: 2px;
}

.code-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-width: 40px;
  min-height: 40px;
  padding: 0 10px;
  border: 0;
  border-radius: 8px;
  background: none;
  color: var(--code-muted);
  font: inherit;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
}

.code-btn:hover {
  background: var(--code-line);
  color: var(--code-text);
}

.code-btn svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.post-body .code-block pre,
[data-theme="dark"] .post-body .code-block pre {
  margin: 0;
  padding: 16px 18px;
  border: 0;
  border-radius: 0;
  background: none;
  color: var(--code-text);
}

/* Phones: slightly smaller code so fewer lines need to wrap. */
@media (max-width: 640px) {
  .post-body pre code {
    font-size: 12.5px;
  }

  .post-body .code-block pre {
    padding: 14px;
    line-height: 1.55;
  }
}