/*
 * Visual refresh inspired by editorial creative-development portfolios.
 * The existing SF/Inter font policy and Eduardo's green signal color remain the identity anchors.
 */

:root {
  --surface-root: #070908;
  --surface-frame: #0a0d0b;
  --surface-raised: #101411;
  --surface-signal: #39ff87;
  --ink-strong: #f1f4f0;
  --ink-soft: #a0aaa3;
  --ink-faint: #78827b;
  --line-strong: rgba(222, 240, 228, 0.2);
  --line-soft: rgba(222, 240, 228, 0.09);
  --line-control: #626c65;
  --signal-wash: rgba(57, 255, 135, 0.08);
  --signal-ink: #031008;
  --font-display: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', sans-serif;
  --font-mono: 'SFMono-Regular', 'Cascadia Code', 'Roboto Mono', ui-monospace, monospace;
  --space-section: clamp(4.75rem, 9vh, 7rem);
  --content-wide: 1180px;
  --content-reading: 760px;
  --radius-frame: 2px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 180ms;
  --duration-medium: 560ms;

  --primary: var(--surface-signal);
  --primary-dim: var(--signal-wash);
  --bg: var(--surface-root);
  --bg-2: var(--surface-frame);
  --bg-3: var(--surface-raised);
  --border: var(--line-soft);
  --border-hover: var(--line-strong);
  --text: var(--ink-strong);
  --text-muted: var(--ink-faint);
  --text-dim: var(--ink-soft);
}

html {
  background: var(--surface-root);
}

body {
  background: var(--surface-root);
  color: var(--ink-strong);
}

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

:focus-visible {
  border-radius: var(--radius-frame);
  outline: 2px solid var(--surface-signal);
  outline-offset: 4px;
}

.spotlight::before {
  top: 0;
  left: 0;
  width: min(48rem, 70vmax);
  height: min(48rem, 70vmax);
  background: radial-gradient(circle, rgba(57, 255, 135, 0.055), transparent 68%);
  animation: none;
  transform: translate3d(var(--pointer-x, 72vw), var(--pointer-y, 22vh), 0) translate(-50%, -50%);
  transition: opacity var(--duration-medium) var(--ease-out);
}

.spotlight::after,
#particles {
  display: none;
}

.sidebar,
.frame {
  border-color: var(--line-strong);
  border-radius: var(--radius-frame);
  background: var(--surface-frame);
}

.sidebar {
  width: 48px;
}

.logo-mark {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 760;
  letter-spacing: 0.02em;
}

.nav-links {
  justify-content: center;
  gap: 3px;
}

.nav-link {
  border-radius: 0;
  transition: color var(--duration-fast) ease;
}

.nav-link.active::before {
  right: -1px;
  width: 1px;
  height: 100%;
  border-radius: 0;
}

.nav-tooltip {
  border-color: var(--line-strong);
  border-radius: var(--radius-frame);
  background: var(--surface-raised);
  font-family: var(--font-mono);
}

.frame-topbar {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  height: 44px;
  padding: 0 14px;
  border-color: var(--line-strong);
  background: var(--surface-frame);
}

.topbar-current,
.topbar-controls,
.topbar-brand {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.035em;
}

.topbar-current {
  color: var(--ink-faint);
}

.topbar-current span {
  color: var(--surface-signal);
}

.topbar-brand {
  color: var(--ink-strong);
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 640;
  letter-spacing: -0.015em;
  text-decoration: none;
}

.topbar-brand span {
  color: var(--surface-signal);
}

.topbar-controls {
  justify-self: end;
  color: var(--ink-faint);
  font-size: 12px;
  letter-spacing: 0.5em;
}

.frame-progress {
  position: absolute;
  z-index: 4;
  top: 43px;
  right: 0;
  left: 0;
  height: 1px;
  overflow: hidden;
  pointer-events: none;
}

.frame-progress span {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--surface-signal);
  transform: scaleX(0);
  transform-origin: left;
}

.frame-content {
  background: var(--surface-frame);
}

.frame-content::-webkit-scrollbar-thumb {
  background: var(--line-strong);
  border-radius: 0;
}

.frame-statusbar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 44px;
  padding: 0 14px;
  border-top: 1px solid var(--line-strong);
  background: var(--surface-frame);
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.035em;
}

.frame-statusbar .status-availability {
  justify-self: center;
}

.frame-statusbar .status-availability::before {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--surface-signal);
  box-shadow: 0 0 12px rgba(57, 255, 135, 0.65);
  content: '';
}

.frame-statusbar a {
  justify-self: end;
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid var(--line-control);
  border-radius: var(--radius-frame);
  color: var(--ink-strong);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  transition:
    border-color var(--duration-fast) ease,
    color var(--duration-fast) ease;
}

.frame-statusbar a:hover {
  border-color: var(--surface-signal);
  color: var(--surface-signal);
}

.hero {
  min-height: calc(100dvh - 106px);
  padding: clamp(4.5rem, 9vh, 6.5rem) clamp(1.5rem, 7vw, 7rem) 5.5rem;
  overflow: hidden;
}

.bg-text-track {
  display: flex;
  opacity: 1;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 14%, #000 86%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 14%, #000 86%, transparent);
}

.bg-text {
  color: rgba(241, 244, 240, 0.024);
  font-size: clamp(6rem, 13vw, 12rem);
  font-weight: 680;
  letter-spacing: -0.06em;
  animation: marquee 48s linear infinite;
}

.hero-kicker {
  position: relative;
  z-index: 1;
  margin-bottom: 1.25rem;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0;
  animation: heroEnter 700ms var(--ease-out) 80ms forwards;
}

.hero-title {
  position: relative;
  z-index: 1;
  max-width: 20ch;
  min-height: 0;
  margin-bottom: clamp(1.5rem, 3vh, 2.25rem);
  font-family: var(--font-display);
  font-size: clamp(2.5rem, calc(1.8rem + 3vw), 4.5rem);
  font-weight: 520;
  letter-spacing: -0.045em;
  line-height: 1.06;
  text-wrap: pretty;
  opacity: 0;
  animation: heroEnter 760ms var(--ease-out) 150ms forwards;
}

.hero-title .accent {
  color: var(--surface-signal);
  font-weight: 500;
}

.hero-sub {
  position: relative;
  z-index: 1;
  max-width: 58ch;
  margin-bottom: 2rem;
  color: var(--ink-soft);
  font-family: var(--font-display);
  font-size: clamp(0.95rem, 1.1vw, 1.05rem);
  font-weight: 400;
  line-height: 1.65;
  opacity: 0;
  animation: heroEnter 760ms var(--ease-out) 430ms forwards;
}

.hero-ctas {
  position: relative;
  z-index: 1;
  opacity: 0;
  animation: heroEnter 760ms var(--ease-out) 530ms forwards;
}

.hero-cta,
.btn-outline,
.modal-btn-primary,
.modal-btn-secondary {
  min-height: 46px;
  padding: 0 20px;
  border-radius: var(--radius-frame);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero-cta {
  position: relative;
  overflow: hidden;
  background: transparent;
  transition:
    color var(--duration-fast) ease,
    border-color var(--duration-fast) ease;
}

.hero-cta::before,
.btn-outline::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--surface-signal);
  content: '';
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 420ms var(--ease-out);
}

.hero-cta:hover::before,
.btn-outline:hover::before {
  transform: scaleX(1);
  transform-origin: left;
}

.hero-cta:hover,
.btn-outline:hover {
  background: transparent;
  color: var(--signal-ink);
}

.hero-cta.secondary::before {
  display: none;
}

.hero-cta.secondary {
  border-color: var(--line-control);
}

.hero-cta.secondary:hover {
  border-color: var(--ink-soft);
  color: var(--ink-strong);
}

.hero-socials {
  position: relative;
  z-index: 1;
  margin-top: 2rem;
  opacity: 0;
  animation: heroEnter 760ms var(--ease-out) 630ms forwards;
}

.hero-social-link {
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: lowercase;
}

.scroll-indicator {
  bottom: 0;
}

.scroll-line {
  height: 58px;
  background: linear-gradient(to bottom, transparent, var(--surface-signal));
  transform-origin: bottom;
  animation: scrollSignal 2.4s var(--ease-out) infinite;
}

.page-section,
.contact-section {
  position: relative;
  isolation: isolate;
  padding: var(--space-section) clamp(1.5rem, 7vw, 7rem);
  border-top: 1px solid var(--line-strong);
  overflow: hidden;
}

.section-label {
  margin-bottom: 1.25rem;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 520;
  letter-spacing: 0.14em;
}

.section-title {
  max-width: 22ch;
  margin-right: auto;
  margin-bottom: clamp(2.5rem, 5vh, 4rem);
  margin-left: auto;
  font-size: clamp(2rem, calc(1.5rem + 2.2vw), 3.5rem);
  font-weight: 540;
  letter-spacing: -0.04em;
  line-height: 1.08;
  text-wrap: pretty;
}

.section-title .accent {
  font-weight: 560;
}

#skills .section-title {
  margin-bottom: 1rem;
}

.section-intro {
  max-width: 62ch;
  margin: 0 auto clamp(2.5rem, 5vh, 3.5rem);
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.65;
  text-align: center;
}

.reveal {
  transform: translateY(42px);
  transition:
    opacity 850ms var(--ease-out),
    transform 850ms var(--ease-out);
}

.about-grid {
  max-width: var(--content-wide);
  grid-template-columns: minmax(0, 1.45fr) minmax(250px, 0.55fr);
  gap: 12px;
}

.about-card.wide {
  grid-column: 1;
  grid-row: 1 / span 2;
}

.card {
  border-color: var(--line-strong);
  border-radius: var(--radius-frame);
  background: rgba(10, 13, 11, 0.9);
  box-shadow: none;
}

.card {
  transition:
    border-color var(--duration-fast) ease,
    transform var(--duration-medium) var(--ease-out);
}

.card:hover {
  border-color: rgba(57, 255, 135, 0.42);
  box-shadow: none;
  transform: translateY(-3px);
}

.card-header {
  height: 42px;
  border-color: var(--line-soft);
  background: var(--surface-frame);
}

.card-title {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
}

.card-body {
  padding: clamp(1.35rem, 3vw, 2.5rem);
  color: var(--ink-soft);
  font-size: clamp(0.925rem, 1.05vw, 1rem);
  line-height: 1.7;
}

.about-card.wide .card-body p {
  max-width: 68ch;
}

.card-body p + p {
  margin-top: 1rem;
}

.hl-g,
.hl-b,
.hl-r,
.hl-y,
.hl-p {
  color: var(--ink-strong);
  font-weight: 650;
}

.social-list {
  padding: 8px 16px;
}

.social-link {
  border-color: var(--line-soft);
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 10px;
}

.section-cta {
  margin-top: 2.75rem;
}

.btn-outline {
  position: relative;
  z-index: 0;
  overflow: hidden;
}

.tech-carousel {
  --tech-gap: 12px;
  --tech-slide-width: clamp(11.75rem, 22vw, 14.5rem);
  --tech-carousel-progress: 0.0769;
  position: relative;
  isolation: isolate;
  max-width: var(--content-wide);
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-frame);
  background: var(--surface-frame);
}

.tech-carousel::before {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 48px 48px;
  content: '';
  opacity: 0.24;
  pointer-events: none;
}

.tech-carousel::after {
  position: absolute;
  z-index: -1;
  top: 58px;
  bottom: 3px;
  left: 0;
  width: 18%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(57, 255, 135, 0.055),
    transparent
  );
  content: '';
  pointer-events: none;
  transform: translateX(-120%);
  animation: techScan 11s linear infinite;
}

.tech-carousel.is-paused::after {
  animation-play-state: paused;
}

.tech-carousel-toolbar {
  position: relative;
  z-index: 2;
  display: flex;
  min-height: 58px;
  padding: 6px 7px 6px 16px;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid var(--line-strong);
  background: rgba(7, 9, 8, 0.9);
}

.tech-carousel-runtime,
.tech-carousel-controls {
  display: inline-flex;
  align-items: center;
}

.tech-carousel-runtime {
  min-width: 0;
  gap: 10px;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.055em;
  line-height: 1.4;
  text-transform: uppercase;
}

.tech-runtime-light {
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--surface-signal);
  box-shadow: 0 0 0 3px var(--signal-wash);
  animation: techRuntime 2.4s ease-in-out infinite;
}

.tech-carousel.is-paused .tech-runtime-light {
  background: var(--ink-faint);
  box-shadow: none;
  animation-play-state: paused;
}

.tech-carousel-counter {
  padding-left: 10px;
  border-left: 1px solid var(--line-strong);
  color: var(--surface-signal);
  font-variant-numeric: tabular-nums;
}

.tech-carousel-controls {
  flex: 0 0 auto;
  gap: 3px;
}

.tech-carousel-button {
  display: inline-grid;
  width: 44px;
  height: 44px;
  padding: 0;
  place-items: center;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-frame);
  background: var(--surface-frame);
  color: var(--ink-soft);
  cursor: pointer;
  transition:
    border-color var(--duration-fast) ease,
    background-color var(--duration-fast) ease,
    color var(--duration-fast) ease;
}

.tech-carousel-button:hover,
.tech-carousel-button:focus-visible {
  border-color: rgba(57, 255, 135, 0.45);
  background: var(--signal-wash);
  color: var(--surface-signal);
}

.tech-carousel-button[aria-disabled='true'] {
  border-color: transparent;
  background: transparent;
  color: var(--ink-faint);
  cursor: default;
  opacity: 0.45;
}

.tech-carousel-button svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: square;
  stroke-linejoin: miter;
  stroke-width: 1.7;
}

.tech-control-icon[hidden] {
  display: none;
}

.tech-carousel-viewport {
  position: relative;
  z-index: 1;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 18px 16px 20px;
  scroll-padding-inline: 16px;
  scroll-snap-type: x mandatory;
  overscroll-behavior-inline: contain;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.tech-carousel-viewport:focus-visible {
  outline-offset: -3px;
}

.tech-carousel-viewport::-webkit-scrollbar {
  display: none;
}

.tech-carousel-track {
  display: flex;
  width: max-content;
  margin: 0;
  padding: 0;
  gap: var(--tech-gap);
  list-style: none;
}

.tech-slide {
  position: relative;
  display: grid;
  flex: 0 0 var(--tech-slide-width);
  height: 236px;
  padding: 17px;
  grid-template-rows: auto 1fr auto;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-frame);
  background: rgba(10, 13, 11, 0.94);
  scroll-snap-align: start;
  scroll-snap-stop: always;
  transition:
    border-color var(--duration-fast) ease,
    background-color var(--duration-fast) ease,
    transform var(--duration-medium) var(--ease-out);
}

.tech-slide::before {
  position: absolute;
  top: -1px;
  right: -1px;
  left: -1px;
  height: 2px;
  background: var(--surface-signal);
  content: '';
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-medium) var(--ease-out);
}

.tech-slide.is-current {
  border-color: rgba(57, 255, 135, 0.48);
  background: rgba(15, 21, 17, 0.97);
}

.tech-slide.is-current::before {
  transform: scaleX(1);
}

.tech-slide-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.065em;
  line-height: 1.4;
  text-transform: uppercase;
}

.tech-slide-category {
  overflow: hidden;
  color: var(--ink-soft);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tech-logo {
  display: block;
  width: 58px;
  height: 58px;
  align-self: center;
  color: var(--tech-color, var(--ink-strong));
  opacity: 0.78;
  transform: translateY(0);
  transition:
    opacity var(--duration-fast) ease,
    transform var(--duration-medium) var(--ease-out);
}

.tech-logo svg {
  display: block;
  width: 100%;
  height: 100%;
  fill: currentColor;
}

.tech-symbols {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.tech-slide.is-current .tech-logo {
  opacity: 1;
  transform: translateY(-4px);
}

.tech-logo-react {
  --tech-color: #61dafb;
}

.tech-logo-typescript {
  --tech-color: #3178c6;
}

.tech-logo-javascript {
  --tech-color: #f7df1e;
}

.tech-logo-html5 {
  --tech-color: #e34f26;
}

.tech-logo-css {
  --tech-color: #a66bff;
}

.tech-logo-vite {
  --tech-color: #bd82ff;
}

.tech-logo-node {
  --tech-color: #70ba59;
}

.tech-logo-fastify {
  --tech-color: var(--ink-strong);
}

.tech-logo-python {
  --tech-color: #5a9fd4;
}

.tech-logo-bigquery {
  --tech-color: #73a9f5;
}

.tech-logo-gcp {
  --tech-color: #7eaff8;
}

.tech-logo-github {
  --tech-color: var(--ink-strong);
}

.tech-logo-shopify {
  --tech-color: #95bf47;
}

.tech-slide-copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 0.35rem;
}

.tech-slide-name {
  overflow: hidden;
  color: var(--ink-strong);
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  font-weight: 650;
  letter-spacing: -0.02em;
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tech-slide-detail {
  min-height: 2.8em;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.015em;
  line-height: 1.4;
}

.tech-carousel-progress {
  position: relative;
  z-index: 2;
  height: 3px;
  overflow: hidden;
  background: var(--line-soft);
}

.tech-carousel-progress span {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--surface-signal);
  transform: scaleX(var(--tech-carousel-progress));
  transform-origin: left;
  transition: transform var(--duration-medium) var(--ease-out);
}

@media (hover: hover) {
  .tech-slide:hover {
    border-color: rgba(57, 255, 135, 0.4);
    background: rgba(15, 21, 17, 0.97);
    transform: translateY(-3px);
  }

  .tech-slide:hover::before {
    transform: scaleX(1);
  }

  .tech-slide:hover .tech-logo {
    opacity: 1;
    transform: translateY(-4px);
  }
}

.tl-tabs-wrap {
  max-width: 1040px;
}

.tl-tabs {
  border-color: var(--line-strong);
  border-radius: var(--radius-frame);
  background: var(--surface-frame);
}

.tl-tab {
  border-color: var(--line-soft);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.tl-panel {
  border-color: var(--line-strong);
  border-radius: var(--radius-frame);
  background: rgba(10, 13, 11, 0.9);
}

.timeline::before,
.tl-dot {
  background: var(--line-strong);
}

.tl-item.current .tl-dot {
  background: var(--surface-signal);
}

.tl-role {
  font-size: clamp(0.95rem, 1.35vw, 1.1rem);
  letter-spacing: -0.015em;
}

.tl-desc {
  max-width: 72ch;
  font-size: 0.875rem;
  line-height: 1.7;
}

.tl-period,
.tl-tag,
.tl-badge {
  font-family: var(--font-mono);
}

.cert-group-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.cert-group-kicker {
  margin-bottom: 0.45rem;
  color: var(--surface-signal);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 620;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.cert-group-title {
  color: var(--ink-strong);
  font-size: clamp(1.05rem, 1.7vw, 1.3rem);
  font-weight: 580;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.cert-group-count {
  min-height: 32px;
  padding: 0 10px;
  border: 1px solid var(--line-control);
  color: var(--ink-soft);
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.cert-group-secondary {
  margin-top: 2.75rem;
  padding-top: 2.75rem;
  border-top: 1px solid var(--line-strong);
}

.credential-item .tl-desc {
  max-width: 66ch;
}

.credential-link {
  min-height: 44px;
  margin-top: 0.6rem;
  color: var(--ink-soft);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 650;
  letter-spacing: 0.07em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color var(--duration-fast) ease;
}

.credential-link:hover,
.credential-link:focus-visible {
  color: var(--surface-signal);
}

.projects-list {
  max-width: var(--content-wide);
  gap: 0;
  border-top: 1px solid var(--line-strong);
}

.project-item,
.project-item.featured-project {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border: 0;
  border-bottom: 1px solid var(--line-strong);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  transition:
    color var(--duration-fast) ease,
    transform var(--duration-medium) var(--ease-out);
}

.project-item::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--surface-signal);
  content: '';
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 700ms var(--ease-out);
}

.project-item:hover,
.project-item:focus-visible {
  border-color: var(--line-strong);
  background: transparent;
  box-shadow: none;
  color: var(--signal-ink);
  transform: translateX(8px);
}

.project-item:hover::before,
.project-item:focus-visible::before {
  transform: scaleX(1);
  transform-origin: left;
}

.project-inner {
  min-height: 116px;
  padding: 1.4rem 1rem;
  grid-template-columns: 42px minmax(180px, 1fr) auto;
  align-items: center;
}

.project-index,
.project-year,
.project-details-hint {
  font-family: var(--font-mono);
}

.project-title {
  font-size: clamp(1.65rem, calc(1.3rem + 1.8vw), 2.8rem);
  font-weight: 540;
  letter-spacing: -0.04em;
  line-height: 1.08;
}

.project-item:hover .project-title,
.project-item:focus-visible .project-title,
.project-item:hover .project-index,
.project-item:hover .project-year,
.project-item:hover .project-details-hint,
.project-item:focus-visible .project-index,
.project-item:focus-visible .project-year,
.project-item:focus-visible .project-details-hint {
  color: var(--signal-ink);
}

.project-tags {
  grid-column: 2 / -1;
  margin-top: 0.6rem;
}

.tag {
  border-color: var(--line-strong);
  border-radius: 999px;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 9px;
  text-transform: uppercase;
}

.project-item:hover .tag,
.project-item:focus-visible .tag {
  border-color: rgba(3, 16, 8, 0.35);
  color: var(--signal-ink);
}

.contact-section {
  display: block;
}

.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(320px, 1.15fr);
  align-items: end;
  gap: clamp(3rem, 7vw, 6rem);
  max-width: 1040px;
  margin: 0 auto;
}

.contact-copy {
  max-width: 32rem;
}

.contact-section .section-label {
  margin-bottom: 2rem;
  text-align: left;
}

.collab-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  color: var(--surface-signal);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 0.06em;
}

.collab-badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--surface-signal);
  box-shadow: 0 0 8px rgba(57, 255, 135, 0.55);
  animation: none;
}

.collab-title {
  max-width: 12ch;
  margin-bottom: 1.25rem;
  font-size: clamp(2.25rem, calc(1.8rem + 2.2vw), 3.5rem);
  font-weight: 540;
  letter-spacing: -0.04em;
  line-height: 1.06;
  text-wrap: pretty;
}

.collab-title .accent {
  color: var(--surface-signal);
}

.collab-desc {
  max-width: 52ch;
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.65;
}

.contact-options {
  border-top: 1px solid var(--line-strong);
}

.contact-option {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-rows: auto auto;
  gap: 0.45rem 1rem;
  min-height: 108px;
  padding: 1.35rem 0.5rem;
  border-bottom: 1px solid var(--line-strong);
  color: var(--ink-strong);
  text-decoration: none;
  transition: color var(--duration-fast) ease;
}

.contact-option:hover,
.contact-option:focus-visible {
  background: var(--signal-wash);
  color: var(--surface-signal);
}

.contact-option-label {
  color: var(--surface-signal);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.contact-option-value {
  min-width: 0;
  color: var(--ink-soft);
  font-size: clamp(0.9rem, 1.35vw, 1.05rem);
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.contact-option-arrow {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
  font-size: 1.2rem;
  transition: transform var(--duration-fast) var(--ease-out);
}

.contact-option:hover .contact-option-arrow,
.contact-option:focus-visible .contact-option-arrow {
  transform: translate(3px, -3px);
}
.modal-overlay {
  background: rgba(3, 5, 4, 0.86);
}

.modal {
  border-color: var(--line-strong);
  border-radius: var(--radius-frame);
  background: var(--surface-frame);
}

.modal-header,
.modal-divider {
  border-color: var(--line-strong);
}

.modal-file,
.modal-tag,
.modal-section-title,
.modal-result-label {
  font-family: var(--font-mono);
}

.modal-title {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 500;
  letter-spacing: -0.045em;
}

.reise-case {
  max-width: 900px;
}

.reise-case .modal-title {
  max-width: 20ch;
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  line-height: 1.08;
  text-wrap: balance;
}

.reise-case .modal-subtitle {
  max-width: 68ch;
  color: var(--ink-soft);
  font-size: 0.9rem;
  line-height: 1.7;
}

.reise-builds {
  border-top: 1px solid var(--line-strong);
}

.reise-build {
  border-bottom: 1px solid var(--line-strong);
  background: transparent;
}

.reise-build[open] {
  background: rgba(57, 255, 135, 0.025);
  box-shadow: inset 2px 0 var(--surface-signal);
}

.reise-build-summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(9rem, auto) 24px;
  align-items: center;
  gap: 1rem;
  min-height: 76px;
  padding: 0.9rem 0.65rem;
  color: var(--ink-strong);
  cursor: pointer;
  list-style: none;
  transition: background-color var(--duration-fast) ease;
}

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

.reise-build-summary::marker {
  content: '';
}

.reise-build-summary:hover,
.reise-build-summary:focus-visible {
  background: var(--signal-wash);
}

.reise-build-heading {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 0.3rem;
}

.reise-build-area,
.reise-build-stack,
.reise-build-facts dt {
  font-family: var(--font-mono);
}

.reise-build-area {
  color: var(--surface-signal);
  font-size: 9px;
  font-weight: 650;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.reise-build-name {
  color: var(--ink-strong);
  font-size: 1rem;
  font-weight: 610;
  line-height: 1.35;
  text-wrap: pretty;
}

.reise-build-stack {
  max-width: 26ch;
  color: var(--ink-faint);
  font-size: 9px;
  letter-spacing: 0.035em;
  line-height: 1.55;
  text-align: right;
  text-transform: uppercase;
}

.reise-build-toggle {
  position: relative;
  width: 22px;
  height: 22px;
  border: 1px solid var(--line-control);
}

.reise-build-toggle::before,
.reise-build-toggle::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 8px;
  height: 1px;
  background: var(--ink-soft);
  content: '';
  transform: translate(-50%, -50%);
  transition: transform var(--duration-fast) ease;
}

.reise-build-toggle::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.reise-build[open] .reise-build-toggle {
  border-color: var(--surface-signal);
}

.reise-build[open] .reise-build-toggle::after {
  transform: translate(-50%, -50%) rotate(90deg) scaleX(0);
}

.reise-build-body {
  padding: 0 0.65rem 1.15rem;
}

.reise-build-facts {
  margin: 0;
  border-top: 1px solid var(--line-soft);
}

.reise-build-facts > div {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 1rem;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--line-soft);
}

.reise-build-facts > div:last-child {
  border-bottom: 0;
}

.reise-build-facts dt {
  color: var(--surface-signal);
  font-size: 9px;
  font-weight: 650;
  letter-spacing: 0.08em;
  line-height: 1.6;
  text-transform: uppercase;
}

.reise-build-facts dd {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.94rem;
  line-height: 1.65;
  text-wrap: pretty;
}

footer {
  border-color: var(--line-strong);
  background: var(--surface-root);
  font-family: var(--font-mono);
}

.footer-nav a,
.footer-copy {
  font-size: 9px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.lang-btn,
.lang-btn-mobile,
.lang-menu,
.lang-option {
  border-radius: var(--radius-frame);
}

.lang-btn,
.lang-btn-mobile {
  border-color: var(--line-control);
}

.lang-menu {
  border-color: var(--line-strong);
  background: var(--surface-raised);
  box-shadow: none;
}

@keyframes techScan {
  to {
    transform: translateX(680%);
  }
}

@keyframes techRuntime {
  0%,
  100% {
    opacity: 0.55;
    transform: scale(0.78);
  }
  50% {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes heroEnter {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scrollSignal {
  0%,
  100% {
    opacity: 0.25;
    transform: scaleY(0.35);
  }
  50% {
    opacity: 1;
    transform: scaleY(1);
  }
}

@media (max-width: 900px) {
  .frame-statusbar {
    grid-template-columns: 1fr 1fr;
  }

  .frame-statusbar .status-availability {
    display: none;
  }

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

  .about-card.wide {
    grid-row: auto;
  }

  .contact-panel {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 2.75rem;
  }
}

@media (max-width: 640px) {
  body {
    background: var(--surface-frame);
  }

  .mobile-topbar {
    height: 56px;
    padding: 0 0 0 14px;
    border-color: var(--line-strong);
    background: var(--surface-frame);
  }

  .frame-topbar {
    display: none;
  }

  .mobile-logo {
    min-width: 0;
    gap: 9px;
    color: var(--ink-strong);
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 620;
    letter-spacing: 0.015em;
    text-decoration: none;
  }

  .mobile-logo-mark {
    padding-right: 9px;
    border-right: 1px solid var(--line-strong);
    color: var(--surface-signal);
    font-size: 10px;
    font-weight: 720;
    letter-spacing: 0.06em;
  }

  .mobile-logo-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .mobile-logo-name > span {
    color: var(--surface-signal);
  }

  .mobile-topbar-right {
    height: 100%;
    gap: 0;
  }

  #langPickerMobile {
    height: 100%;
    border-left: 1px solid var(--line-strong);
    display: flex;
    align-items: stretch;
  }

  .lang-btn-mobile {
    width: 52px;
    height: 55px;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 0;
  }

  .lang-btn-mobile .lang-flag {
    width: 20px;
    height: 14px;
    box-shadow: none;
  }

  .hamburger {
    width: 56px;
    height: 55px;
    padding: 0;
    border: 0;
    border-left: 1px solid var(--line-strong);
    border-radius: 0;
    gap: 5px;
  }

  .hamburger span {
    width: 17px;
    height: 1px;
    border-radius: 0;
  }

  .mobile-nav-drawer {
    top: 56px;
    display: flex;
    max-height: calc(100dvh - 56px);
    padding: 10px 12px 14px;
    border-color: var(--line-strong);
    background: var(--surface-raised);
    overflow-y: auto;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    visibility: hidden;
    transition:
      opacity var(--duration-fast) ease,
      transform var(--duration-medium) var(--ease-out),
      visibility 0s linear var(--duration-medium);
  }

  .mobile-nav-drawer.open {
    display: flex;
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
    visibility: visible;
    transition-delay: 0s;
  }

  .mobile-nav-item {
    min-height: 44px;
    padding: 0 11px;
    border-color: var(--line-soft);
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.045em;
    text-transform: uppercase;
  }

  .mobile-nav-item svg {
    color: var(--ink-faint);
  }

  .mobile-nav-item.active svg,
  .mobile-nav-item:hover svg,
  .mobile-nav-item:focus-visible svg {
    color: var(--surface-signal);
    opacity: 1;
  }

  .mobile-drawer-socials {
    margin-top: 10px;
    padding-top: 13px;
    border-top: 1px solid var(--line-strong);
  }

  .mobile-drawer-label {
    margin: 0 0 9px 2px;
    color: var(--ink-faint);
    font-family: var(--font-mono);
    font-size: 8px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }

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

  .mobile-socials a {
    min-width: 0;
    min-height: 44px;
    padding: 0 7px;
    border-right: 1px solid var(--line-strong);
    color: var(--ink-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-family: var(--font-mono);
    font-size: 8px;
    letter-spacing: 0.025em;
    text-decoration: none;
    transition:
      background-color var(--duration-fast) ease,
      color var(--duration-fast) ease;
  }

  .mobile-socials a:last-child {
    border-right: 0;
  }

  .mobile-socials a:hover,
  .mobile-socials a:focus-visible {
    background: rgba(57, 255, 135, 0.055);
    color: var(--surface-signal);
  }

  .mobile-social-arrow {
    color: var(--ink-faint);
    font-size: 8px;
  }

  .frame-statusbar {
    display: none;
  }

  .hero {
    min-height: calc(100dvh - 56px);
    padding: 4.5rem 1.1rem 4rem;
  }

  .hero-kicker {
    margin-bottom: 1.25rem;
  }

  .bg-text {
    color: rgba(241, 244, 240, 0.016);
    font-size: 8rem;
  }

  .hero-title {
    max-width: 16ch;
    letter-spacing: -0.045em;
    line-height: 1.08;
  }

  .hero-sub {
    max-width: 36ch;
    font-size: 0.95rem;
  }

  .hero-ctas {
    width: min(100%, 320px);
  }

  .hero-cta {
    max-width: none;
  }

  .cert-group-head {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 0.9rem;
  }

  .cert-group-count {
    justify-self: start;
  }

  .hero-socials {
    display: none;
  }

  .scroll-indicator {
    bottom: 0;
  }

  .page-section,
  .contact-section {
    padding: 4.5rem 1rem;
  }

  .section-label {
    margin-bottom: 1rem;
  }

  .section-title {
    margin-bottom: 2.5rem;
  }

  #skills .section-title {
    margin-bottom: 1rem;
  }

  .section-intro {
    margin-bottom: 2.25rem;
  }

  .about-grid {
    gap: 10px;
  }

  .card-body {
    padding: 1.25rem;
  }

  .tech-carousel {
    --tech-slide-width: min(72vw, 13rem);
    --tech-gap: 10px;
  }

  .tech-carousel-toolbar {
    padding-right: 6px;
    padding-left: 12px;
  }

  .tech-carousel-runtime {
    gap: 8px;
  }

  #tech-runtime-label {
    display: none;
  }

  .tech-carousel-viewport {
    padding: 12px 12px 16px;
    scroll-padding-inline: 12px;
  }

  .tech-slide {
    height: 224px;
    padding: 15px;
  }

  .tech-logo {
    width: 52px;
    height: 52px;
  }

  .project-inner {
    min-height: 104px;
    padding: 1.25rem 0.35rem;
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .project-tags {
    grid-column: 1 / -1;
  }

  .project-item:hover,
  .project-item:focus-visible {
    transform: translateX(3px);
  }

  .contact-panel {
    gap: 2.25rem;
  }

  .contact-option {
    min-height: 96px;
    padding-right: 0.25rem;
    padding-left: 0.25rem;
  }

  .modal-body {
    padding: 1.25rem;
  }

  .reise-case .modal-title {
    max-width: 18ch;
    font-size: clamp(1.65rem, 8vw, 2.1rem);
  }

  .reise-case .modal-subtitle {
    font-size: 0.85rem;
  }

  .reise-build-summary {
    grid-template-columns: minmax(0, 1fr) 24px;
    gap: 0.65rem;
    min-height: 72px;
    padding: 0.85rem 0.4rem;
  }

  .reise-build-heading {
    grid-column: 1;
  }

  .reise-build-stack {
    grid-column: 1;
    grid-row: 2;
    max-width: none;
    text-align: left;
  }

  .reise-build-toggle {
    grid-column: 2;
    grid-row: 1 / span 2;
  }

  .reise-build-body {
    padding: 0 0.4rem 1rem;
  }

  .reise-build-facts > div {
    grid-template-columns: 1fr;
    gap: 0.3rem;
    padding: 0.75rem 0;
  }

  .reise-build-facts dd {
    font-size: 0.9rem;
  }
}

@media (pointer: coarse), (prefers-reduced-motion: reduce) {
  .spotlight::before {
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .bg-text,
  .hero-kicker,
  .hero-title,
  .hero-sub,
  .hero-ctas,
  .hero-socials,
  .scroll-line {
    animation: none;
    opacity: 1;
    transform: none;
  }

  .tech-carousel::after,
  .tech-runtime-light {
    animation: none;
  }

  .tech-carousel-viewport {
    scroll-behavior: auto;
  }

  .reveal,
  .project-item,
  .project-item::before,
  .tech-slide,
  .tech-slide::before,
  .tech-logo,
  .tech-carousel-progress span,
  .hero-cta::before,
  .btn-outline::before,
  .contact-option-arrow {
    transition: none;
  }

  .reise-build-summary,
  .reise-build-toggle::before,
  .reise-build-toggle::after {
    transition: none;
  }
}