/* ==========================================================================
   William Miguel Bernal — Portfolio
   A dependency-free, hand-built single-page site.
   ========================================================================== */

/* ---------- Design tokens ---------- */
:root {
  color-scheme: dark;

  --bg: #0a0c08;
  --bg-soft: #0f120d;
  --surface: #121610;
  --surface-raised: #181d15;
  --text: #f0f1e8;
  --muted: #a3ab9c;
  --muted-2: #747d6f;
  --line: rgba(237, 241, 226, 0.13);
  --line-strong: rgba(237, 241, 226, 0.25);

  --accent: #72ddf2;
  --accent-ink: #071216;
  --accent-text: #72ddf2;
  --accent-2: #9cc7ff;
  --accent-soft: rgba(114, 221, 242, 0.1);

  --header-bg: rgba(10, 12, 8, 0.72);
  --shadow: 0 34px 90px rgba(0, 0, 0, 0.46);

  --id-bg: #f1eddf;
  --id-ink: #11140d;
  --id-muted: #5d6559;
  --id-line: rgba(17, 20, 13, 0.17);
  --id-dot: #176b78;

  --contact-bg: var(--accent);
  --contact-ink: var(--accent-ink);
  --contact-muted: rgba(13, 16, 9, 0.7);
  --contact-line: rgba(13, 16, 9, 0.2);
  --contact-em: var(--accent-ink);

  --font-display: "Bahnschrift", "DIN Alternate", "Segoe UI", sans-serif;
  --font-body: "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-serif: Georgia, "Times New Roman", serif;
  --font-mono: "Cascadia Code", "Cascadia Mono", Consolas, monospace;

  --container: 1280px;
  --gutter: clamp(1.25rem, 3.5vw, 2.75rem);
  --header-height: 78px;
  --radius: 22px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

  --bg: #f3f0e7;
  --bg-soft: #eae6da;
  --surface: #faf7ee;
  --surface-raised: #fffdf7;
  --text: #151810;
  --muted: #5d6559;
  --muted-2: #666e62;
  --line: rgba(20, 25, 15, 0.14);
  --line-strong: rgba(20, 25, 15, 0.3);

  --accent: #54bfd2;
  --accent-ink: #092128;
  --accent-text: #176b78;
  --accent-2: #3261c9;
  --accent-soft: rgba(23, 107, 120, 0.08);

  --header-bg: rgba(243, 240, 231, 0.8);
  --shadow: 0 34px 90px rgba(52, 48, 33, 0.16);

  --id-bg: #141710;
  --id-ink: #f1f0e6;
  --id-muted: #a3ab9c;
  --id-line: rgba(241, 240, 230, 0.18);
  --id-dot: var(--accent);

  --contact-bg: #151810;
  --contact-ink: #f2f0e6;
  --contact-muted: rgba(242, 240, 230, 0.66);
  --contact-line: rgba(242, 240, 230, 0.2);
  --contact-em: var(--accent);
}

/* ---------- Reset & base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
  -webkit-text-size-adjust: 100%;
  scrollbar-color: var(--muted-2) var(--bg);
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background:
    radial-gradient(1000px 700px at 92% -8%, var(--accent-soft), transparent 60%),
    radial-gradient(800px 600px at -10% 30%, rgba(156, 199, 255, 0.05), transparent 60%),
    var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background-color 0.35s ease, color 0.35s ease;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.82' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.85'/%3E%3C/svg%3E");
  mix-blend-mode: soft-light;
}

body.nav-open {
  overflow: hidden;
}

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

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

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

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

button {
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  cursor: pointer;
}

svg {
  display: block;
}

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

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

.contact-card :focus-visible {
  outline-color: var(--contact-ink);
}

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

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

.icon {
  width: 18px;
  height: 18px;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.skip-link {
  position: fixed;
  top: 14px;
  left: 14px;
  z-index: 10000;
  padding: 0.7rem 1rem;
  border-radius: 8px;
  background: var(--accent);
  color: var(--accent-ink);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transform: translateY(-160%);
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

/* ---------- Scroll progress ---------- */
.scroll-progress {
  position: fixed;
  inset: 0 0 auto;
  z-index: 500;
  height: 2px;
  background: transparent;
  pointer-events: none;
}

.scroll-progress span {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transform: scaleX(0);
  transform-origin: left center;
  will-change: transform;
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 200;
  height: var(--header-height);
  border-bottom: 1px solid transparent;
  transition: background-color 0.35s ease, border-color 0.35s ease, backdrop-filter 0.35s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: var(--header-bg);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  backdrop-filter: blur(18px) saturate(140%);
}

.header-inner {
  width: min(1400px, calc(100% - (var(--gutter) * 2)));
  height: 100%;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  position: relative;
  z-index: 160;
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  flex: none;
}

.brand-mark {
  width: 36px;
  height: 36px;
  padding: 5px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  transition: border-color 0.25s ease, transform 0.35s var(--ease);
}

.brand:hover .brand-mark {
  border-color: var(--accent-text);
  transform: rotate(-4deg);
}

.brand-mark span {
  background: var(--text);
  border-radius: 1.5px;
  opacity: 0.86;
}

.brand-mark span:nth-child(2) {
  opacity: 0.35;
}

.brand-mark span:nth-child(3) {
  opacity: 0.35;
}

.brand-mark span:nth-child(4) {
  background: var(--accent);
  opacity: 1;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  line-height: 1.1;
}

.brand-copy strong {
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.brand-copy span {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.57rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2vw, 2.1rem);
}

.primary-nav > a {
  position: relative;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  transition: color 0.2s ease;
}

.primary-nav > a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -6px;
  left: 0;
  height: 1px;
  background: var(--accent-text);
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform 0.3s var(--ease);
}

.primary-nav > a:hover,
.primary-nav > a[aria-current="true"] {
  color: var(--text);
}

.primary-nav > a:hover::after,
.primary-nav > a[aria-current="true"]::after {
  transform: scaleX(1);
  transform-origin: left center;
}

.primary-nav > .nav-contact {
  display: none;
}

.nav-meta {
  display: none;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.icon-button {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--muted);
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease, transform 0.25s var(--ease);
}

.icon-button:hover {
  border-color: var(--line-strong);
  background: var(--surface);
  color: var(--text);
  transform: translateY(-1px);
}

.theme-toggle .icon {
  grid-area: 1 / 1;
  width: 16px;
  height: 16px;
}

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

.menu-toggle {
  display: none;
}

.menu-toggle .icon {
  grid-area: 1 / 1;
}

.menu-toggle .icon-close {
  display: none;
}

.nav-open .menu-toggle .icon-menu {
  display: none;
}

.nav-open .menu-toggle .icon-close {
  display: block;
}

/* ---------- Buttons & links ---------- */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  min-height: 50px;
  padding: 0.8rem 1.25rem;
  border: 1px solid var(--accent);
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-ink);
  font-family: var(--font-body);
  font-size: 0.83rem;
  font-weight: 650;
  line-height: 1;
  transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease, transform 0.25s var(--ease), box-shadow 0.25s ease;
}

.button .icon {
  width: 15px;
  height: 15px;
  transition: transform 0.3s var(--ease);
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(216, 255, 98, 0.16);
}

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

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

.button--ghost:hover {
  border-color: var(--text);
  background: var(--surface);
  box-shadow: none;
}

.button--ghost:hover .icon {
  transform: translateY(2px);
}

.button--small {
  min-height: 38px;
  padding: 0.55rem 0.95rem;
  font-size: 0.72rem;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  width: fit-content;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--line-strong);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.text-link .icon {
  width: 13px;
  height: 13px;
  transition: transform 0.25s var(--ease);
}

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

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

/* ---------- Shared eyebrow / labels ---------- */
.eyebrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.8rem;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.63rem;
  letter-spacing: 0.11em;
  line-height: 1.4;
  text-transform: uppercase;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.status-dot {
  width: 6px;
  height: 6px;
  flex: none;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(216, 255, 98, 0.12);
  animation: pulse 2.8s ease-out infinite;
}

.hero-eyebrow .status {
  color: var(--text);
}

.eyebrow-rule {
  width: 32px;
  height: 1px;
  background: var(--line-strong);
}

.section-index {
  display: inline-block;
  color: var(--accent-text);
  font-family: var(--font-mono);
  font-size: 0.63rem;
  letter-spacing: 0.12em;
  line-height: 1.5;
  text-transform: uppercase;
}

/* ---------- Typography helpers ---------- */
.section-title,
.hero-title,
.contact-main h2 {
  font-family: var(--font-display);
  font-weight: 600;
  text-wrap: balance;
}

.section-title em,
.hero-title-accent,
.contact-main h2 em,
.impact-copy h3 em {
  color: var(--accent-text);
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.035em;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  padding-top: calc(var(--header-height) + clamp(4rem, 8vh, 7rem));
  padding-bottom: clamp(4rem, 8vh, 6rem);
  display: flex;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero-backdrop {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 84px 84px;
  opacity: 0.32;
  -webkit-mask-image: radial-gradient(ellipse 90% 75% at 55% 45%, #000 10%, transparent 78%);
  mask-image: radial-gradient(ellipse 90% 75% at 55% 45%, #000 10%, transparent 78%);
}

.hero-glow {
  position: absolute;
  top: var(--my, 36%);
  left: var(--mx, 72%);
  width: min(720px, 58vw);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(216, 255, 98, 0.14), rgba(216, 255, 98, 0.02) 46%, transparent 68%);
  filter: blur(10px);
  transform: translate(-50%, -50%);
  transition: top 1.2s ease-out, left 1.2s ease-out;
}

.hero-watermark {
  position: absolute;
  right: -0.04em;
  bottom: -0.36em;
  color: transparent;
  font-family: var(--font-display);
  font-size: clamp(20rem, 38vw, 36rem);
  font-weight: 700;
  letter-spacing: -0.12em;
  line-height: 0.7;
  opacity: 0.42;
  -webkit-text-stroke: 1px var(--line);
  user-select: none;
}

.hero-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.17fr) minmax(330px, 0.83fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 4.5rem);
}

.hero-copy {
  min-width: 0;
}

.hero-title {
  margin: 1.35rem 0 1.65rem;
  display: flex;
  flex-direction: column;
  color: var(--text);
  font-size: clamp(4.1rem, 8.45vw, 8.5rem);
  letter-spacing: -0.07em;
  line-height: 0.78;
}

.hero-title > span {
  display: block;
}

.hero-title-accent {
  padding-left: 0.02em;
  font-size: 1.06em;
  line-height: 0.82;
}

.hero-role {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 1.55vw, 1.32rem);
  font-weight: 500;
  letter-spacing: -0.015em;
}

.hero-role::before {
  content: "";
  width: 26px;
  height: 1px;
  flex: none;
  background: var(--accent);
}

.hero-lede {
  max-width: 35rem;
  margin: 1.1rem 0 2rem;
  color: var(--muted);
  font-size: clamp(0.98rem, 1.15vw, 1.08rem);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.4rem, 3vw, 2.7rem);
  max-width: 37rem;
  margin-top: 2.6rem;
  padding-top: 1.35rem;
  border-top: 1px solid var(--line);
}

.hero-facts dt {
  color: var(--muted-2);
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.hero-facts dd {
  margin-top: 0.15rem;
  font-size: 0.84rem;
  font-weight: 600;
}

/* Hero card */
.hero-visual {
  position: relative;
  min-height: 540px;
  display: grid;
  place-items: center;
}

.hero-visual-rings {
  position: absolute;
  width: min(520px, 42vw);
  aspect-ratio: 1;
  border: 1px solid var(--line);
  border-radius: 50%;
  animation: spin 55s linear infinite;
}

.hero-visual-rings::before,
.hero-visual-rings::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  border: 1px dashed var(--line);
}

.hero-visual-rings::before {
  inset: 11%;
  border-color: var(--line-strong);
}

.hero-visual-rings::after {
  inset: 28%;
  background: var(--accent-soft);
  border-color: transparent;
}

.hero-visual-rings,
.hero-visual-rings::before,
.hero-visual-rings::after {
  pointer-events: none;
}

.availability-pill {
  position: absolute;
  top: 2.2rem;
  right: 0.25rem;
  z-index: 4;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--surface);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.16);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.53rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  transform: rotate(-3deg);
}

.availability-pill .status-dot {
  width: 5px;
  height: 5px;
}

.id-card {
  position: relative;
  z-index: 3;
  width: min(352px, 100%);
  padding: 1.3rem;
  overflow: hidden;
  border: 1px solid var(--id-line);
  border-radius: 20px;
  background: var(--id-bg);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.12);
  color: var(--id-ink);
  transform: rotate(2.4deg);
  transition: transform 0.55s var(--ease), box-shadow 0.55s ease;
}

.id-card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(118deg, transparent 24%, rgba(156, 199, 255, 0.15) 42%, transparent 55%),
    linear-gradient(300deg, transparent 55%, rgba(216, 255, 98, 0.1) 76%, transparent 90%);
  mix-blend-mode: screen;
}

.id-card:hover {
  box-shadow: 0 46px 110px rgba(0, 0, 0, 0.5);
  transform: rotate(0.6deg) translateY(-5px);
}

.id-card-top {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--id-line);
  color: var(--id-muted);
  font-family: var(--font-mono);
  font-size: 0.53rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.micro-chip {
  padding: 0.18rem 0.42rem;
  border: 1px solid var(--id-line);
  border-radius: 999px;
  color: var(--id-ink);
  font-size: 0.48rem;
}

.id-card-main {
  position: relative;
  z-index: 1;
  padding: 1.4rem 0 1.25rem;
}

.id-monogram {
  color: var(--id-ink);
  font-family: var(--font-display);
  font-size: clamp(5.5rem, 7vw, 7.2rem);
  font-weight: 600;
  letter-spacing: -0.1em;
  line-height: 0.78;
}

.id-monogram span {
  color: var(--id-dot);
}

.id-discipline {
  position: absolute;
  top: 0.2rem;
  right: 0;
  color: var(--id-muted);
  font-family: var(--font-mono);
  font-size: 0.51rem;
  letter-spacing: 0.06em;
  line-height: 1.65;
  text-align: right;
  text-transform: uppercase;
}

.id-name {
  margin-top: 0.8rem;
  color: var(--id-ink);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.id-card-data {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem 1rem;
  padding: 1rem 0;
  border-top: 1px solid var(--id-line);
  border-bottom: 1px solid var(--id-line);
}

.id-card-data span:not(.status-dot) {
  display: block;
  color: var(--id-muted);
  font-family: var(--font-mono);
  font-size: 0.45rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.id-card-data strong {
  display: block;
  margin-top: 0.1rem;
  font-size: 0.72rem;
  font-weight: 600;
}

.id-card-data .status {
  color: var(--id-ink);
}

.id-card-data .status-dot {
  width: 4px;
  height: 4px;
  background: var(--id-dot);
  box-shadow: none;
  animation: none;
}

.id-card-bottom {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 0.9rem;
  color: var(--id-muted);
  font-family: var(--font-mono);
  font-size: 0.45rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.barcode {
  width: 116px;
  height: 24px;
  opacity: 0.76;
  background: repeating-linear-gradient(
    90deg,
    currentColor 0,
    currentColor 1px,
    transparent 1px,
    transparent 4px,
    currentColor 4px,
    currentColor 5px,
    transparent 5px,
    transparent 8px
  );
}

.years-stamp {
  position: absolute;
  bottom: 1rem;
  left: 0.2rem;
  z-index: 4;
  width: 112px;
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.22);
  color: var(--accent-ink);
  transform: rotate(-8deg);
}

.years-stamp strong {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.06em;
  line-height: 0.9;
}

.years-stamp span {
  margin-top: 0.1rem;
  font-family: var(--font-mono);
  font-size: 0.46rem;
  letter-spacing: 0.05em;
  line-height: 1.35;
  text-align: center;
  text-transform: uppercase;
}

.hero-scroll {
  position: absolute;
  bottom: 1.4rem;
  left: 50%;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  color: var(--muted-2);
  font-family: var(--font-mono);
  font-size: 0.52rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transform: translateX(-50%);
}

.scroll-line {
  position: relative;
  width: 44px;
  height: 1px;
  overflow: hidden;
  background: var(--line);
}

.scroll-line::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--accent);
  transform: translateX(-100%);
  animation: scroll-line 2.6s ease-in-out infinite;
}

/* ---------- Ticker ---------- */
.ticker {
  position: relative;
  z-index: 2;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  padding: 1.05rem 0;
}

.ticker-track {
  display: flex;
  width: max-content;
  animation: ticker 46s linear infinite;
  will-change: transform;
}

.ticker:hover .ticker-track {
  animation-play-state: paused;
}

.ticker-set {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding-right: 2rem;
}

.ticker-set span {
  color: var(--text);
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  white-space: nowrap;
}

.ticker-set i {
  color: var(--accent-text);
  font-size: 0.7rem;
  font-style: normal;
}

/* ---------- Sections ---------- */
.section {
  position: relative;
  padding-block: clamp(5rem, 10vw, 8.5rem);
}

.section-head {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr) minmax(220px, 300px);
  align-items: end;
  gap: clamp(1.5rem, 4vw, 4rem);
  margin-bottom: clamp(2.8rem, 5.5vw, 4.8rem);
}

.section-head .section-index {
  align-self: start;
  padding-top: 0.55rem;
}

.section-title {
  font-size: clamp(2.8rem, 5.4vw, 5rem);
  letter-spacing: -0.055em;
  line-height: 0.94;
}

.section-kicker {
  padding-left: 1.1rem;
  border-left: 1px solid var(--line-strong);
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.65;
}

/* Reveal */
.js .reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.8s ease, transform 0.8s var(--ease);
}

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

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.42fr) minmax(300px, 0.58fr);
  align-items: start;
  gap: clamp(2.5rem, 7vw, 6rem);
}

.about-lead {
  max-width: 55rem;
  margin-bottom: 1.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 2.5vw, 2.2rem);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.22;
  text-wrap: balance;
}

.about-copy > p:not(.about-lead) {
  max-width: 47rem;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.8;
}

.principles {
  margin-top: 2.4rem;
}

.principles li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 1rem;
  padding: 1.15rem 0;
  border-top: 1px solid var(--line);
}

.principles li:last-child {
  border-bottom: 1px solid var(--line);
}

.principles > li > span {
  padding-top: 0.15rem;
  color: var(--accent-text);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
}

.principles h3 {
  margin-bottom: 0.2rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.principles p {
  color: var(--muted);
  font-size: 0.86rem;
}

.about-side {
  position: sticky;
  top: calc(var(--header-height) + 1.5rem);
  display: grid;
  gap: 0.8rem;
}

.currently-card {
  position: relative;
  overflow: hidden;
  padding: 1.35rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.currently-card::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-soft), transparent 68%);
}

.mini-label {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 0.8rem;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.mini-label .status-dot {
  width: 5px;
  height: 5px;
}

.currently-card > p:not(.mini-label) {
  position: relative;
  max-width: 16rem;
  font-family: var(--font-display);
  font-size: 1.18rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.35;
}

.currently-card strong {
  color: var(--accent-text);
  font-weight: 600;
}

.currently-card .text-link {
  position: relative;
  margin-top: 1.3rem;
}

.quick-facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}

.quick-facts div {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
}

.quick-facts dt {
  color: var(--muted-2);
  font-family: var(--font-mono);
  font-size: 0.5rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.quick-facts dd {
  margin-top: 0.35rem;
  font-family: var(--font-display);
  font-size: 1.32rem;
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.quick-facts dd span {
  display: block;
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 0.63rem;
  font-weight: 400;
  letter-spacing: 0;
}

/* ---------- Expertise ---------- */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 0.9rem;
}

.expertise-card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 250px;
  padding: clamp(1.35rem, 2.5vw, 2rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(145deg, var(--surface), var(--bg-soft));
  transition: border-color 0.35s ease, transform 0.35s var(--ease), background-color 0.35s ease;
}

.expertise-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  background: radial-gradient(500px 260px at 88% -10%, var(--accent-soft), transparent 70%);
  transition: opacity 0.4s ease;
}

.expertise-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-4px);
}

.expertise-card:hover::before {
  opacity: 1;
}

.expertise-card--m365 {
  grid-column: span 7;
  grid-row: span 2;
  min-height: 530px;
}

.expertise-card--power {
  grid-column: span 5;
}

.expertise-card--engineering {
  grid-column: span 5;
}

.expertise-card--architecture {
  grid-column: span 12;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  grid-template-areas:
    "top top"
    "copy steps";
  gap: 1.5rem clamp(2rem, 5vw, 5rem);
  align-items: end;
  min-height: 0;
}

.expertise-card--architecture .card-top {
  grid-area: top;
  margin-bottom: 0;
}

.architecture-copy {
  grid-area: copy;
}

.architecture-steps {
  grid-area: steps;
}

.card-top {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
}

.card-number {
  color: var(--muted-2);
  font-family: var(--font-mono);
  font-size: 0.57rem;
  letter-spacing: 0.09em;
}

.card-icon {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--accent-text);
  background: var(--bg);
}

.card-icon .icon {
  width: 17px;
  height: 17px;
}

.expertise-card h3 {
  position: relative;
  z-index: 1;
  margin-bottom: 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 2.6vw, 2.4rem);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.02;
  text-wrap: balance;
}

.expertise-card--m365 h3 {
  font-size: clamp(2.2rem, 3.6vw, 3.25rem);
}

.expertise-card p {
  position: relative;
  z-index: 1;
  max-width: 39rem;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

.expertise-card--m365 p {
  max-width: 29rem;
}

.tag-list {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: auto;
  padding-top: 1.45rem;
}

.tag-list li,
.role-tags li {
  padding: 0.28rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.5rem;
  letter-spacing: 0.04em;
  line-height: 1.4;
  text-transform: uppercase;
}

.stack-visual {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 0.75rem;
  margin-top: 2rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
}

.stack-visual div {
  display: grid;
  grid-template-columns: 92px 1fr;
  align-items: center;
  gap: 0.8rem;
}

.stack-visual span {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.5rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.stack-visual i {
  position: relative;
  height: 4px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--line);
}

.stack-visual i::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--fill);
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.expertise-card--m365::after {
  content: "365";
  position: absolute;
  right: -0.12em;
  bottom: 3.4rem;
  color: var(--text);
  font-family: var(--font-display);
  font-size: 8rem;
  font-weight: 700;
  letter-spacing: -0.09em;
  line-height: 0.7;
  opacity: 0.022;
  pointer-events: none;
}

.architecture-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--line);
}

.architecture-steps > div {
  display: flex;
  flex-direction: column;
  padding: 1rem 1rem 0 0;
  border-right: 1px solid var(--line);
}

.architecture-steps > div + div {
  padding-left: 1rem;
}

.architecture-steps > div:last-child {
  border-right: 0;
}

.architecture-steps span {
  color: var(--accent-text);
  font-family: var(--font-mono);
  font-size: 0.5rem;
  letter-spacing: 0.08em;
}

.architecture-steps strong {
  margin: 0.3rem 0 0.15rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
}

.architecture-steps small {
  color: var(--muted);
  font-size: 0.73rem;
  line-height: 1.5;
}

/* ---------- Focus / impact ---------- */
.work {
  border-block: 1px solid var(--line);
  background: var(--bg-soft);
}

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

.impact {
  display: grid;
  grid-template-columns: 48px minmax(0, 1.16fr) minmax(245px, 0.64fr);
  gap: clamp(1.4rem, 4vw, 4rem);
  padding: clamp(1.7rem, 3.2vw, 2.6rem) 0;
  border-bottom: 1px solid var(--line);
  transition: background-color 0.3s ease;
}

.impact:hover {
  background: linear-gradient(90deg, var(--accent-soft), transparent 58%);
}

.impact-number {
  padding-top: 0.55rem;
  color: var(--accent-text);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
}

.impact-copy h3 {
  margin-bottom: 0.6rem;
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 2.55vw, 2.35rem);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.06;
}

.impact-copy p {
  max-width: 46rem;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.75;
}

.impact-side {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
}

.impact-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}

.impact-tags li {
  color: var(--muted-2);
  font-family: var(--font-mono);
  font-size: 0.51rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.impact-tags li:not(:last-child)::after {
  content: " /";
  color: var(--line-strong);
}

.impact-mark {
  display: grid;
  place-items: center;
  flex: none;
  color: var(--accent-text);
  opacity: 0.7;
  transition: color 0.25s ease, transform 0.3s var(--ease), opacity 0.25s ease;
}

.impact-mark .icon {
  width: 19px;
  height: 19px;
}

.impact:hover .impact-mark {
  opacity: 1;
  transform: rotate(18deg) scale(1.08);
}

/* ---------- Experience ---------- */
.experience-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.78fr) minmax(0, 1.32fr);
  align-items: start;
  gap: clamp(2.5rem, 7vw, 6rem);
}

.experience-intro {
  position: sticky;
  top: calc(var(--header-height) + 1.5rem);
}

.experience-intro .section-index {
  margin-bottom: 1rem;
}

.experience-intro .section-title {
  font-size: clamp(2.6rem, 4.6vw, 4.4rem);
}

.experience-intro > p {
  max-width: 24rem;
  margin-top: 1.25rem;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.75;
}

.experience-intro .text-link {
  margin-top: 1.5rem;
}

.experience-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin-top: 2.4rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
}

.experience-facts dt {
  color: var(--muted-2);
  font-family: var(--font-mono);
  font-size: 0.5rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.experience-facts dd {
  margin-top: 0.2rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.career {
  display: grid;
  gap: 2.6rem;
}

.career-company {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid var(--line-strong);
}

.career-company h3 {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 1.18rem;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.career-company h3::before {
  content: "";
  width: 6px;
  height: 6px;
  flex: none;
  background: var(--accent);
  transform: rotate(45deg);
}

.career-company > span {
  color: var(--muted-2);
  font-family: var(--font-mono);
  font-size: 0.52rem;
  letter-spacing: 0.05em;
  text-align: right;
  text-transform: uppercase;
}

.career-roles {
  margin-left: 2.8px;
  padding-left: 1.25rem;
  border-left: 1px solid var(--line);
}

.role {
  border-bottom: 1px solid var(--line);
}

.role:last-child {
  border-bottom: 0;
}

.role summary {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr) 32px;
  align-items: start;
  gap: 0.9rem;
  padding: 1.15rem 0;
  list-style: none;
  cursor: pointer;
  transition: color 0.2s ease;
}

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

.role summary:hover .role-heading strong {
  color: var(--accent-text);
}

.role-period {
  padding-top: 0.1rem;
  color: var(--muted-2);
  font-family: var(--font-mono);
  font-size: 0.52rem;
  letter-spacing: 0.04em;
  line-height: 1.5;
  text-transform: uppercase;
}

.role-heading strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.35;
  transition: color 0.2s ease;
}

.role-heading > span {
  display: block;
  margin-top: 0.22rem;
  color: var(--muted-2);
  font-size: 0.7rem;
  line-height: 1.5;
}

.role-toggle {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--muted);
  transition: color 0.25s ease, border-color 0.25s ease, background-color 0.25s ease, transform 0.3s var(--ease);
}

.role-toggle .icon {
  width: 13px;
  height: 13px;
}

.role[open] .role-toggle {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
  transform: rotate(45deg);
}

.role-body {
  max-width: 46rem;
  margin-left: 121px;
  padding: 0 0 1.35rem;
  animation: details-in 0.4s var(--ease) both;
}

.role-body p {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.7;
}

.role-points {
  display: grid;
  gap: 0.38rem;
  margin-top: 0.8rem;
}

.role-points li {
  position: relative;
  padding-left: 0.95rem;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.65;
}

.role-points li::before {
  content: "";
  position: absolute;
  top: 0.7em;
  left: 0;
  width: 0.32rem;
  height: 1px;
  background: var(--accent-text);
}

.role-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-top: 0.9rem;
}

/* ---------- Credentials ---------- */
.credentials-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(300px, 0.88fr);
  align-items: start;
  gap: 0.9rem;
}

.credentials-panel,
.education-panel,
.languages-panel {
  padding: clamp(1.25rem, 2.4vw, 1.8rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.panel-heading span:last-child {
  color: var(--accent-text);
}

.credential-list li {
  display: grid;
  grid-template-columns: 27px minmax(0, 1fr);
  gap: 0.8rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}

.credential-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0.2rem;
}

.credential-icon {
  width: 25px;
  height: 25px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--accent-text);
}

.credential-icon .icon {
  width: 12px;
  height: 12px;
}

.credential-list h3 {
  font-family: var(--font-display);
  font-size: 0.94rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.4;
}

.credential-list p {
  margin-top: 0.15rem;
  color: var(--muted-2);
  font-family: var(--font-mono);
  font-size: 0.49rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.credentials-side {
  display: grid;
  gap: 0.9rem;
}

.education-item {
  padding: 1.05rem 0;
  border-bottom: 1px solid var(--line);
}

.education-item:last-child {
  padding-bottom: 0.2rem;
  border-bottom: 0;
}

.education-period {
  color: var(--accent-text);
  font-family: var(--font-mono);
  font-size: 0.5rem;
  letter-spacing: 0.06em;
}

.education-item h3 {
  margin-top: 0.3rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.education-item p {
  margin-top: 0.15rem;
  color: var(--muted);
  font-size: 0.78rem;
}

.language-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--line);
}

.language-row:last-child {
  padding-bottom: 0.2rem;
  border-bottom: 0;
}

.language-row strong {
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 500;
}

.language-row span {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.49rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.learning-note {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  padding: 1rem;
  border: 1px dashed var(--line-strong);
  border-radius: 14px;
  color: var(--muted);
}

.learning-note .icon {
  width: 16px;
  height: 16px;
  margin-top: 0.15rem;
  color: var(--accent-text);
}

.learning-note p {
  font-size: 0.76rem;
  line-height: 1.65;
}

/* ---------- Contact ---------- */
.contact {
  padding-top: clamp(3rem, 6vw, 5rem);
  padding-bottom: clamp(5rem, 9vw, 8rem);
}

.contact-card {
  position: relative;
  overflow: hidden;
  padding: clamp(1.5rem, 5vw, 4.2rem);
  border: 1px solid var(--contact-line);
  border-radius: clamp(24px, 3vw, 36px);
  background: var(--contact-bg);
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.16);
  color: var(--contact-ink);
}

.contact-card::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -8%;
  width: 60%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.2), transparent 68%);
  pointer-events: none;
}

.contact-card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--contact-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--contact-line) 1px, transparent 1px);
  background-size: 70px 70px;
  opacity: 0.2;
  -webkit-mask-image: linear-gradient(120deg, transparent 25%, #000 100%);
  mask-image: linear-gradient(120deg, transparent 25%, #000 100%);
}

.contact-top {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--contact-line);
}

.contact-card .section-index {
  color: var(--contact-ink);
  opacity: 0.7;
}

.contact-status {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.38rem 0.68rem;
  border: 1px solid var(--contact-line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.51rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.contact-status .status-dot {
  background: currentColor;
  box-shadow: none;
  animation: none;
}

.contact-main {
  position: relative;
  z-index: 2;
  padding-top: clamp(2rem, 4vw, 3.5rem);
}

.contact-main h2 {
  max-width: 920px;
  font-size: clamp(3.1rem, 7.2vw, 6.6rem);
  letter-spacing: -0.065em;
  line-height: 0.88;
}

.contact-main h2 em {
  color: var(--contact-em);
}

.contact-main > p {
  max-width: 36rem;
  margin-top: 1.5rem;
  color: var(--contact-muted);
  font-size: 0.98rem;
  line-height: 1.7;
}

.contact-email {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  margin-top: 2rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--contact-line);
  font-family: var(--font-body);
  font-size: clamp(1.25rem, 3.2vw, 2.7rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1.1;
  transition: gap 0.3s var(--ease), border-color 0.3s ease;
}

.contact-email .icon {
  width: 0.65em;
  height: 0.65em;
  transition: transform 0.3s var(--ease);
}

.contact-email:hover {
  gap: 1rem;
  border-color: var(--contact-ink);
}

.contact-email:hover .icon {
  transform: translate(3px, -3px);
}

.contact-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.05fr 1.1fr 0.8fr auto;
  align-items: end;
  gap: clamp(1rem, 3vw, 2.5rem);
  margin-top: clamp(2.5rem, 5vw, 4rem);
  padding-top: 1.35rem;
  border-top: 1px solid var(--contact-line);
}

.contact-grid > div > span {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--contact-muted);
  font-family: var(--font-mono);
  font-size: 0.48rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.contact-grid a,
.contact-grid p {
  color: var(--contact-ink);
  font-size: 0.82rem;
  font-weight: 500;
  line-height: 1.4;
}

.contact-grid a {
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.contact-grid a:hover {
  border-color: var(--contact-ink);
}

.copy-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 38px;
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--contact-line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.51rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.copy-button .icon {
  width: 13px;
  height: 13px;
}

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

.contact-watermark {
  position: absolute;
  right: -0.06em;
  bottom: -0.34em;
  z-index: 1;
  color: var(--contact-ink);
  font-family: var(--font-display);
  font-size: clamp(16rem, 32vw, 30rem);
  font-weight: 700;
  letter-spacing: -0.13em;
  line-height: 0.68;
  opacity: 0.055;
  pointer-events: none;
  user-select: none;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 2.6rem 0 1.6rem;
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.footer-nav a {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.2s ease;
}

.footer-nav a:hover {
  color: var(--text);
}

.back-to-top {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.2s ease;
}

.back-to-top .icon {
  width: 13px;
  height: 13px;
  transition: transform 0.25s var(--ease);
}

.back-to-top:hover {
  color: var(--accent-text);
}

.back-to-top:hover .icon {
  transform: translate(2px, -2px);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.6rem;
  margin-top: 2rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
  color: var(--muted-2);
  font-family: var(--font-mono);
  font-size: 0.5rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  z-index: 600;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  background: var(--text);
  color: var(--bg);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.04em;
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, 12px);
  transition: opacity 0.25s ease, transform 0.25s var(--ease), visibility 0.25s;
  pointer-events: none;
}

.toast.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}

/* ---------- Motion ---------- */
@keyframes pulse {
  0%,
  100% {
    box-shadow: 0 0 0 3px rgba(216, 255, 98, 0.1);
  }
  50% {
    box-shadow: 0 0 0 6px rgba(216, 255, 98, 0.02);
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes ticker {
  to {
    transform: translateX(-50%);
  }
}

@keyframes scroll-line {
  0% {
    transform: translateX(-100%);
  }
  50%,
  100% {
    transform: translateX(100%);
  }
}

@keyframes details-in {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- Responsive ---------- */
@media (max-width: 1120px) {
  .section-head {
    grid-template-columns: 112px minmax(0, 1fr) minmax(210px, 260px);
  }

  .hero-title {
    font-size: clamp(4rem, 8.2vw, 7.2rem);
  }

  .hero-visual-rings {
    width: min(460px, 42vw);
  }

  .id-card {
    width: min(330px, 100%);
  }

  .availability-pill {
    right: -0.2rem;
  }
}

@media (max-width: 1020px) {
  :root {
    --header-height: 72px;
  }

  .primary-nav {
    position: fixed;
    inset: 0;
    z-index: 150;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
    padding: calc(var(--header-height) + 2rem) var(--gutter) 2rem;
    overflow-y: auto;
    background:
      radial-gradient(700px 500px at 80% 20%, var(--accent-soft), transparent 60%),
      var(--bg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: opacity 0.35s ease, transform 0.45s var(--ease), visibility 0.35s;
  }

  .primary-nav::before {
    content: "WMB / NAVIGATION";
    position: absolute;
    top: calc(var(--header-height) + 1.3rem);
    left: var(--gutter);
    color: var(--muted-2);
    font-family: var(--font-mono);
    font-size: 0.55rem;
    letter-spacing: 0.1em;
  }

  .primary-nav > a {
    width: 100%;
    padding: 1rem 0;
    border-bottom: 1px solid var(--line);
    color: var(--text);
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 5.5vw, 2.6rem);
    font-weight: 500;
    letter-spacing: -0.04em;
    line-height: 1.1;
    text-transform: none;
  }

  .primary-nav > a::after {
    display: none;
  }

  .primary-nav > a:hover,
  .primary-nav > a[aria-current="true"] {
    color: var(--accent-text);
  }

  .primary-nav > .nav-contact {
    display: flex;
  }

  .nav-meta {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.7rem 1rem;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.54rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  .nav-meta > span {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
  }

  .nav-meta .status-dot {
    width: 5px;
    height: 5px;
  }

  .nav-meta a {
    color: var(--text);
    font-size: 0.62rem;
    letter-spacing: 0.04em;
    text-transform: none;
  }

  .nav-open .primary-nav {
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .menu-toggle {
    display: grid;
    position: relative;
    z-index: 160;
  }

  .header-cta {
    display: none;
  }

  .hero {
    min-height: auto;
    padding-top: calc(var(--header-height) + 5rem);
    padding-bottom: 4.5rem;
  }

  .hero-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 4rem;
  }

  .hero-copy {
    max-width: 54rem;
  }

  .hero-title {
    font-size: clamp(4.3rem, 11.4vw, 7rem);
  }

  .hero-visual {
    min-height: 500px;
    width: min(100%, 540px);
    margin-inline: auto;
  }

  .hero-visual-rings {
    width: min(440px, 68vw);
  }

  .availability-pill {
    right: 2%;
  }

  .hero-scroll {
    display: none;
  }

  .section-head {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 0.85rem;
  }

  .section-head .section-index {
    padding-top: 0;
  }

  .section-kicker {
    max-width: 34rem;
    padding-left: 0;
    border-left: 0;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .about-side {
    position: static;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    align-items: start;
  }

  .expertise-card--m365 {
    grid-column: span 12;
    grid-row: auto;
    min-height: 0;
  }

  .expertise-card--power,
  .expertise-card--engineering {
    grid-column: span 6;
  }

  .expertise-card--architecture {
    grid-column: span 12;
  }

  .impact {
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 0.7rem 1.5rem;
  }

  .impact-side {
    grid-column: 2;
    align-items: center;
  }

  .experience-layout {
    grid-template-columns: 1fr;
  }

  .experience-intro {
    position: static;
    max-width: 40rem;
  }

  .experience-facts {
    max-width: 22rem;
  }

  .credentials-grid {
    grid-template-columns: 1fr;
  }

  .credentials-side {
    grid-template-columns: 1fr 1fr;
  }

  .learning-note {
    grid-column: 1 / -1;
  }

  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }

  .copy-button {
    justify-self: start;
  }
}

@media (max-width: 720px) {
  :root {
    --gutter: 1rem;
    --header-height: 68px;
  }

  .brand-copy strong {
    font-size: 0.84rem;
  }

  .brand-copy span {
    font-size: 0.5rem;
  }

  .hero {
    padding-top: calc(var(--header-height) + 3.4rem);
    padding-bottom: 3.5rem;
  }

  .hero-eyebrow {
    gap: 0.55rem;
    font-size: 0.54rem;
  }

  .eyebrow-rule {
    width: 20px;
  }

  .hero-title {
    margin-top: 1.05rem;
    margin-bottom: 1.25rem;
    font-size: clamp(3.8rem, 17vw, 6rem);
    line-height: 0.8;
  }

  .hero-title-accent {
    font-size: 1.03em;
  }

  .hero-role {
    font-size: 0.98rem;
  }

  .hero-lede {
    margin: 0.9rem 0 1.6rem;
    font-size: 0.94rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .button {
    width: 100%;
    min-height: 48px;
  }

  .hero-layout {
    gap: 2rem;
  }

  .hero-facts {
    display: none;
  }

  .hero-visual {
    min-height: 410px;
  }

  .id-card {
    width: min(315px, 86vw);
    padding: 1.05rem;
  }

  .id-monogram {
    font-size: clamp(4.8rem, 20vw, 6.2rem);
  }

  .id-discipline {
    font-size: 0.45rem;
  }

  .availability-pill {
    top: 1.2rem;
    right: 0;
    font-size: 0.46rem;
  }

  .years-stamp {
    bottom: 0.3rem;
    left: 0;
    width: 94px;
  }

  .years-stamp strong {
    font-size: 1.7rem;
  }

  .hero-visual-rings {
    width: min(340px, 82vw);
  }

  .ticker-set span {
    font-size: 0.78rem;
  }

  .section {
    padding-block: 4.4rem;
  }

  .section-title {
    font-size: clamp(2.45rem, 11vw, 3.5rem);
  }

  .section-kicker {
    font-size: 0.86rem;
  }

  .about-lead {
    font-size: clamp(1.4rem, 6vw, 1.8rem);
  }

  .about-copy > p:not(.about-lead) {
    font-size: 0.92rem;
  }

  .about-side {
    grid-template-columns: 1fr;
  }

  .quick-facts {
    grid-template-columns: 1fr 1fr;
  }

  .expertise-grid {
    grid-template-columns: 1fr;
  }

  .expertise-card,
  .expertise-card--m365,
  .expertise-card--power,
  .expertise-card--engineering,
  .expertise-card--architecture {
    grid-column: 1;
    grid-row: auto;
  }

  .expertise-card--architecture {
    display: flex;
    gap: 0;
  }

  .expertise-card--architecture .card-top {
    margin-bottom: 2rem;
  }

  .architecture-steps {
    width: 100%;
    grid-template-columns: 1fr;
    margin-top: 1.5rem;
  }

  .architecture-steps > div,
  .architecture-steps > div + div {
    padding: 0.8rem 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .architecture-steps > div:last-child {
    border-bottom: 0;
  }

  .expertise-card--m365::after {
    font-size: 6rem;
    bottom: 4rem;
  }

  .impact {
    grid-template-columns: 1fr;
    gap: 0.55rem;
    padding-block: 1.5rem;
  }

  .impact-number {
    padding-top: 0;
  }

  .impact-copy h3 {
    font-size: 1.6rem;
  }

  .impact-side {
    grid-column: 1;
  }

  .career {
    gap: 2.2rem;
  }

  .career-company {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.15rem;
  }

  .career-company > span {
    text-align: left;
  }

  .career-roles {
    padding-left: 0.8rem;
  }

  .role summary {
    grid-template-columns: minmax(0, 1fr) 30px;
    gap: 0.4rem 0.7rem;
    padding: 1rem 0;
  }

  .role-period {
    grid-column: 1 / -1;
    padding-top: 0;
    font-size: 0.49rem;
  }

  .role-body {
    margin-left: 0;
    padding-bottom: 1.1rem;
  }

  .role-heading strong {
    font-size: 0.94rem;
  }

  .credentials-side {
    grid-template-columns: 1fr;
  }

  .learning-note {
    grid-column: auto;
  }

  .contact {
    padding-top: 2rem;
    padding-bottom: 5rem;
  }

  .contact-card {
    padding: 1.25rem;
    border-radius: 24px;
  }

  .contact-top {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.65rem;
  }

  .contact-main {
    padding-top: 2rem;
  }

  .contact-main h2 {
    font-size: clamp(2.6rem, 12.6vw, 4rem);
  }

  .contact-main > p {
    margin-top: 1.1rem;
    font-size: 0.9rem;
  }

  .contact-email {
    margin-top: 1.4rem;
    font-size: clamp(1.08rem, 5.3vw, 1.6rem);
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-top: 2rem;
  }

  .copy-button {
    justify-self: start;
    margin-top: 0.2rem;
  }

  .contact-watermark {
    font-size: 15rem;
  }

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

  .footer-nav {
    gap: 0.8rem 1.1rem;
  }

  .footer-bottom {
    flex-direction: column;
  }
}

@media (max-width: 390px) {
  .hero-title {
    font-size: 3.55rem;
  }

  .id-card {
    width: 84vw;
  }

  .id-discipline {
    display: none;
  }

  .quick-facts {
    grid-template-columns: 1fr;
  }
}

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

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

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

  .ticker-track {
    animation: none;
  }

  .hero-glow {
    transition: none;
  }
}