/* ---------------------------------------------------------------------------
   Nicolas Mendez Gonzalez — portfolio
   Dual identity: dark = emerald→cyan on near-black; light = burnt amber on paper.
   Display voice: Archivo Expanded Black. No framework, no build step.
   --------------------------------------------------------------------------- */

/* ============================== Design tokens ============================== */
:root {
  --bg: #08090c;
  --bg-alt: #0c0e12;
  --surface: #111419;
  --surface-hover: #161a20;
  --border: #21262e;
  --border-strong: #313845;

  --ink: #eef1f4;
  --ink-soft: #a8b0bb;
  --ink-faint: #6d7581;

  --accent: #3ddc97;
  --accent-2: #38cfe0;
  --accent-rgb: 61, 220, 151;
  --accent-2-rgb: 56, 207, 224;
  --accent-soft: rgba(var(--accent-rgb), 0.12);
  --accent-ink: #06110c;
  --gradient: linear-gradient(100deg, var(--accent), var(--accent-2));

  --font-sans: "Archivo", -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas,
    monospace;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 7rem;

  --radius: 10px;
  --radius-lg: 18px;
  --measure: 60ch;
}

:root[data-theme="light"] {
  --bg: #faf9f7;
  --bg-alt: #f2f0ec;
  --surface: #ffffff;
  --surface-hover: #f4f2ee;
  --border: #e2ded7;
  --border-strong: #c9c4bb;

  --ink: #17140e;
  --ink-soft: #4f4a40;
  --ink-faint: #6f6a5f;

  --accent: #b45309;
  --accent-2: #c2410c;
  --accent-rgb: 180, 83, 9;
  --accent-2-rgb: 194, 65, 12;
  --accent-soft: rgba(var(--accent-rgb), 0.1);
  --accent-ink: #ffffff;
}

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

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background-color 0.25s ease, color 0.25s ease;
}

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

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

.container {
  max-width: 70rem;
  margin-inline: auto;
  padding-inline: var(--space-3);
}

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

/* ============================== Typography ================================ */
h1,
h2,
h3 {
  line-height: 1.08;
  margin: 0 0 var(--space-2);
  text-wrap: balance;
  letter-spacing: -0.02em;
}

h1,
h2 {
  font-stretch: 122%;
  letter-spacing: -0.01em;
}

h2 {
  font-size: clamp(2.1rem, 4.6vw, 3.25rem);
  font-weight: 900;
  line-height: 1.05;
}

h3 {
  font-size: 1.1875rem;
  font-weight: 700;
}

p {
  margin: 0 0 var(--space-2);
  max-width: var(--measure);
}

a {
  color: var(--accent);
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

a:hover {
  text-decoration-thickness: 2px;
}

strong {
  color: var(--ink);
  font-weight: 600;
}

.text-gradient,
.hero-gradient {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  /* keep glyph overhangs (e.g. a trailing y) inside the clipped paint box */
  padding-right: 0.06em;
  margin-right: -0.06em;
}

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

/* Skip link */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: var(--accent-ink);
  padding: var(--space-1) var(--space-2);
  z-index: 100;
  font-weight: 600;
  text-decoration: none;
}

.skip-link:focus {
  left: var(--space-2);
}

/* ============================ Scroll progress ============================= */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 60;
  background: transparent;
  pointer-events: none;
}

.scroll-progress span {
  display: block;
  height: 100%;
  width: 0;
  background: var(--gradient);
}

/* ================================ Header ================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(8, 9, 12, 0.8);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

:root[data-theme="light"] .site-header {
  background-color: rgba(250, 249, 247, 0.82);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 0.875rem;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.9375rem;
  text-decoration: none;
  color: var(--ink);
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
}

.brand-mark {
  color: var(--accent);
  font-size: 0.75rem;
}

.brand-short {
  display: none;
}

.nav-list {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.125rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

/* Sliding signal-lock indicator — tracks the hovered or active link */
.nav-indicator {
  position: absolute;
  left: 0;
  top: 50%;
  width: 0;
  height: 2.0625rem;
  transform: translateY(-50%);
  background-color: var(--accent-soft);
  border: 1px solid rgba(var(--accent-rgb), 0.3);
  border-radius: 999px;
  box-shadow: 0 0 16px rgba(var(--accent-rgb), 0.18);
  opacity: 0;
  pointer-events: none;
  transition: left 0.32s cubic-bezier(0.22, 1, 0.36, 1),
    width 0.32s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.2s ease;
  z-index: 0;
}

.nav-indicator.is-visible {
  opacity: 1;
}

.nav-list li {
  position: relative;
  z-index: 1;
}

.nav-list a {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 0.75rem;
  text-decoration: none;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: 999px;
  transition: color 0.15s ease;
}

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

.nav-list a[aria-current="true"] {
  color: var(--accent);
}

.nav-cta {
  margin-left: 0.375rem;
  gap: 0.5rem;
  padding: 0.5rem 1.125rem !important;
  background: var(--gradient);
  border-radius: 999px;
  color: var(--accent-ink) !important;
  font-weight: 700 !important;
}

.nav-cta:hover {
  filter: brightness(1.08);
}

.nav-cta-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent-ink);
  box-shadow: 0 0 0 0 rgba(6, 17, 12, 0.5);
  animation: pulse-dark 2.4s ease-out infinite;
}

@keyframes pulse-dark {
  0% { box-shadow: 0 0 0 0 rgba(6, 17, 12, 0.45); }
  70% { box-shadow: 0 0 0 6px rgba(6, 17, 12, 0); }
  100% { box-shadow: 0 0 0 0 rgba(6, 17, 12, 0); }
}

/* ----------------------------- Theme toggle -------------------------------- */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  background: transparent;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  color: var(--ink-soft);
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.theme-toggle:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.theme-toggle .icon-moon {
  display: none;
}

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

:root[data-theme="light"] .theme-toggle .icon-moon {
  display: block;
}

/* ------------------------------ Mobile menu -------------------------------- */
.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  background: transparent;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  cursor: pointer;
}

.menu-icon,
.menu-icon::before,
.menu-icon::after {
  display: block;
  width: 1.125rem;
  height: 2px;
  background-color: var(--ink);
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.menu-icon {
  position: relative;
}

.menu-icon::before,
.menu-icon::after {
  content: "";
  position: absolute;
  left: 0;
}

.menu-icon::before {
  top: -6px;
}

.menu-icon::after {
  top: 6px;
}

.menu-toggle[aria-expanded="true"] .menu-icon {
  background-color: transparent;
}

.menu-toggle[aria-expanded="true"] .menu-icon::before {
  top: 0;
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-icon::after {
  top: 0;
  transform: rotate(-45deg);
}

.mobile-nav {
  display: none;
}

.mobile-nav-list {
  list-style: none;
  margin: 0;
  padding: var(--space-2) var(--space-3) var(--space-3);
  display: grid;
  gap: var(--space-2);
}

.mobile-nav-list a {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 0.5rem 0.625rem;
  border-left: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.mobile-nav-list a:hover,
.mobile-nav-list a[aria-current="true"] {
  color: var(--ink);
}

.mobile-nav-list a[aria-current="true"] {
  color: var(--accent);
  border-left-color: var(--accent);
  background-color: var(--accent-soft);
}

.mobile-nav-list .nav-cta {
  display: inline-flex;
  margin-top: var(--space-1);
  border-left: none;
}

/* ================================= Hero =================================== */
.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
  background-color: #000;
}

:root[data-theme="light"] .hero {
  background-color: var(--bg);
}

/* Layered backdrop: faint grid + two color glows */
.hero-backdrop {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(ellipse 55% 65% at 12% 20%, rgba(var(--accent-rgb), 0.09), transparent 70%),
    radial-gradient(ellipse 45% 55% at 88% 75%, rgba(var(--accent-2-rgb), 0.07), transparent 70%),
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: auto, auto, 44px 44px, 44px 44px;
  mask-image: radial-gradient(ellipse 90% 85% at 50% 35%, #000 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 90% 85% at 50% 35%, #000 40%, transparent 100%);
}

:root[data-theme="light"] .hero-backdrop {
  background-image:
    radial-gradient(ellipse 55% 65% at 12% 20%, rgba(var(--accent-rgb), 0.1), transparent 70%),
    radial-gradient(ellipse 45% 55% at 88% 75%, rgba(var(--accent-2-rgb), 0.08), transparent 70%),
    linear-gradient(rgba(0, 0, 0, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.035) 1px, transparent 1px);
}

/* Signature: oscilloscope trace — noise resolves into a clean square wave.
   Sits in flow between the hero grid and the proof strip. */
.hero-trace {
  position: relative;
  height: 100px;
  margin-block: var(--space-2);
  color: var(--accent);
  opacity: 0.5;
  pointer-events: none;
}

.hero-trace svg {
  width: 100%;
  height: 100%;
  display: block;
}

.hero-trace path {
  stroke-dasharray: 3200;
  stroke-dashoffset: 3200;
  animation: trace-draw 2.8s cubic-bezier(0.45, 0, 0.2, 1) 0.3s forwards;
}

@keyframes trace-draw {
  to {
    stroke-dashoffset: 0;
  }
}

/* Opening animation: hero copy fades in and rises in a quick stagger,
   settling as the trace draw (0.3s/2.8s above) takes over. The portrait
   is deliberately excluded so the LCP image is never hidden. */
@keyframes hero-enter {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.hero-availability,
.hero-name,
.hero-title,
.hero-lede,
.hero-actions,
.hero-links {
  animation: hero-enter 0.45s cubic-bezier(0.2, 0.6, 0.2, 1) both;
}

.hero-name {
  animation-delay: 0.08s;
}

.hero-title {
  animation-delay: 0.16s;
}

.hero-lede {
  animation-delay: 0.24s;
}

.hero-actions {
  animation-delay: 0.32s;
}

.hero-links {
  animation-delay: 0.4s;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  align-items: center;
  gap: var(--space-4);
  padding-block: var(--space-4) 0;
}

.hero-availability {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  font-family: var(--font-mono);
  font-size: 0.78125rem;
  color: var(--accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid rgba(var(--accent-rgb), 0.3);
  background-color: rgba(var(--accent-rgb), 0.06);
  border-radius: 999px;
  padding: 0.375rem 0.875rem;
  margin-bottom: var(--space-3);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent);
  box-shadow: 0 0 0 0 rgba(var(--accent-rgb), 0.5);
  flex-shrink: 0;
  animation: pulse 2.4s ease-out infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(var(--accent-rgb), 0.45); }
  70% { box-shadow: 0 0 0 9px rgba(var(--accent-rgb), 0); }
  100% { box-shadow: 0 0 0 0 rgba(var(--accent-rgb), 0); }
}

.hero-name {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  color: var(--ink-soft);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-1);
}

.hero-title {
  font-size: clamp(2.375rem, 5.2vw, 4rem);
  font-weight: 900;
  font-stretch: 122%;
  letter-spacing: -0.015em;
  line-height: 1.04;
  margin-bottom: var(--space-3);
  max-width: 19ch;
}

.hero-lede {
  font-size: 1.1875rem;
  color: var(--ink-soft);
  max-width: 48ch;
  margin-bottom: var(--space-3);
}

.hero-rotator-wrap {
  color: var(--ink);
  font-weight: 500;
}

#hero-rotator {
  display: inline;
  border-bottom: 2px solid var(--accent);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.hero-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.hero-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--ink-faint);
  text-decoration: none;
  transition: color 0.15s ease;
}

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

.hero-portrait {
  position: relative;
  align-self: end;
  max-width: 25rem;
  justify-self: end;
}

.portrait-frame {
  position: relative;
}

/* Glow ring behind the portrait */
.portrait-frame::before {
  content: "";
  position: absolute;
  inset: 8% 4% 0;
  background: radial-gradient(
    ellipse at 50% 40%,
    rgba(var(--accent-rgb), 0.16),
    rgba(var(--accent-2-rgb), 0.06) 55%,
    transparent 75%
  );
  filter: blur(12px);
  z-index: 0;
}

.portrait-frame img {
  position: relative;
  z-index: 1;
  filter: grayscale(1) contrast(1.05);
}

:root:not([data-theme="light"]) .portrait-frame img {
  -webkit-mask-image: radial-gradient(
    80% 90% at 50% 45%,
    #000 45%,
    transparent 96%
  );
  mask-image: radial-gradient(
    80% 90% at 50% 45%,
    #000 45%,
    transparent 96%
  );
}

/* ============================== Proof strip =============================== */
.proof-strip {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-2);
  margin: 0;
  padding: var(--space-3) 0 var(--space-4);
  border-top: 1px solid var(--border);
}

.proof-item dt {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
  margin-bottom: 0.25rem;
}

.proof-item dd {
  margin: 0;
  font-size: clamp(1.375rem, 2.6vw, 2rem);
  font-weight: 900;
  font-stretch: 118%;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.proof-unit {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--ink-soft);
}

/* ================================ Ticker ================================== */
.ticker {
  overflow: hidden;
  border-bottom: 1px solid var(--border);
  background-color: var(--bg-alt);
  padding-block: 0.75rem;
}

.ticker-track {
  display: flex;
  gap: 2.5rem;
  width: max-content;
  animation: ticker 40s linear infinite;
}

.ticker-track span {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--ink-faint);
  white-space: nowrap;
}

.ticker-track span::after {
  content: "·";
  margin-left: 2.5rem;
  color: var(--border-strong);
}

@keyframes ticker {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* =============================== Sections ================================= */
.section {
  padding-block: var(--space-6);
}

.section-alt {
  background-color: var(--bg-alt);
  border-block: 1px solid var(--border);
}

.section-header {
  margin-bottom: var(--space-4);
}

.section-index {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--space-1);
}

.section-index::after {
  content: "";
  display: inline-block;
  width: 3rem;
  height: 1px;
  background: var(--gradient);
  margin-left: 0.75rem;
  vertical-align: middle;
}

.section-lede {
  color: var(--ink-soft);
  font-size: 1.0625rem;
}

.section-footnote {
  margin-top: var(--space-3);
  font-size: 0.9375rem;
  color: var(--ink-faint);
}

/* Standalone subpage (e.g. /projects): the sticky header needs clearance,
   and the page title carries h2's scale so hierarchy matches the homepage. */
.section-page-top {
  padding-block: var(--space-5) var(--space-6);
}

.section-page-top h1 {
  font-size: clamp(2.1rem, 4.6vw, 3.25rem);
  font-weight: 900;
  line-height: 1.05;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--ink-faint);
}

.breadcrumb span[aria-hidden] {
  color: var(--border-strong);
}

/* Quiet secondary navigation — deliberately not a button, so it never
   competes with the primary CTA of the section (contrast rule). */
.more-link-row {
  margin-top: var(--space-3);
  margin-bottom: 0;
}

.more-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--border-strong);
  padding-bottom: 0.25rem;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.more-link:hover,
.more-link:focus-visible {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.more-link-arrow {
  transition: transform 0.15s ease;
}

/* Trailing arrow nudges forward, leading (back) arrow nudges backward. */
.more-link:hover .more-link-arrow {
  transform: translateX(3px);
}

.more-link:hover .more-link-arrow:first-child {
  transform: translateX(-3px);
}

@media (prefers-reduced-motion: reduce) {
  .more-link:hover .more-link-arrow,
  .more-link:hover .more-link-arrow:first-child {
    transform: none;
  }
}

/* ================================ Buttons ================================= */
.button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9375rem;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease,
    border-color 0.15s ease, filter 0.15s ease;
}

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

.button-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 28px rgba(var(--accent-rgb), 0.28);
  filter: brightness(1.05);
}

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

.button-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ================================ Projects ================================ */
.project-list {
  display: grid;
  gap: var(--space-3);
}

.project-card {
  position: relative;
  display: grid;
  gap: var(--space-1);
  padding: var(--space-4);
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.2s ease, background-color 0.2s ease,
    transform 0.2s ease, box-shadow 0.2s ease;
}

/* Gradient hairline along the top of each card */
.project-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.project-card:hover {
  border-color: var(--border-strong);
  background-color: var(--surface-hover);
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}

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

.project-card--flagship {
  border-color: rgba(var(--accent-rgb), 0.3);
  background-image:
    radial-gradient(ellipse 70% 90% at 100% 0%, rgba(var(--accent-2-rgb), 0.05), transparent 60%),
    linear-gradient(135deg, rgba(var(--accent-rgb), 0.06), transparent 45%);
}

.project-card--flagship::before {
  opacity: 1;
}

.project-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.project-context {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
  margin: 0;
}

.project-badge {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-ink);
  background: var(--gradient);
  padding: 0.25rem 0.6875rem;
  border-radius: 999px;
  font-weight: 600;
}

.project-card h3 {
  font-size: clamp(1.375rem, 2.4vw, 1.75rem);
  margin-bottom: 0.25rem;
  letter-spacing: -0.02em;
}

.project-description {
  color: var(--ink-soft);
  font-size: 1.0313rem;
  max-width: none;
  margin-bottom: var(--space-2);
}

.project-details {
  display: grid;
  gap: 0.75rem;
  margin: 0 0 var(--space-3);
  padding: var(--space-3);
  list-style: none;
  background-color: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

:root[data-theme="light"] .project-details {
  background-color: rgba(0, 0, 0, 0.035);
}

.project-details li {
  display: grid;
  grid-template-columns: 6.5rem 1fr;
  gap: var(--space-2);
  font-size: 0.9375rem;
  color: var(--ink-soft);
}

.project-details .detail-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  padding-top: 0.1875rem;
}

.project-tags {
  list-style: none;
  margin: 0 0 var(--space-2);
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.project-tags li {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.1875rem 0.625rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--ink-soft);
}

.project-links {
  display: flex;
  gap: var(--space-3);
  font-size: 0.9375rem;
  font-weight: 500;
  margin: 0;
}

.project-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
}

/* ============================== Value cards =============================== */
.value-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: var(--space-3);
}

.value-card {
  position: relative;
  padding: var(--space-4) var(--space-3);
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.value-card:hover {
  border-color: rgba(var(--accent-rgb), 0.35);
  transform: translateY(-3px);
}

.value-icon {
  display: inline-grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  font-size: 1.25rem;
  color: var(--accent);
  background-color: var(--accent-soft);
  border: 1px solid rgba(var(--accent-rgb), 0.25);
  border-radius: var(--radius);
  margin: 0 0 var(--space-2);
}

.value-card h3 {
  margin-bottom: var(--space-1);
}

.value-card p:last-child {
  color: var(--ink-soft);
  font-size: 0.9688rem;
  margin-bottom: 0;
}

/* =============================== Timeline ================================= */
.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 0.4375rem;
  top: 0.5rem;
  bottom: 0.5rem;
  width: 1px;
  background: linear-gradient(
    to bottom,
    var(--accent),
    var(--border-strong) 30%
  );
}

.timeline-item {
  position: relative;
  padding-left: var(--space-4);
  padding-bottom: var(--space-4);
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.4375rem;
  width: 0.9375rem;
  height: 0.9375rem;
  border-radius: 50%;
  background-color: var(--bg);
  border: 2px solid var(--ink-faint);
}

.timeline-item--current::before {
  border-color: var(--accent);
  background-color: var(--accent-soft);
  box-shadow: 0 0 12px rgba(var(--accent-rgb), 0.4);
}

.timeline-period {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
  margin-bottom: 0.25rem;
}

.timeline-item--current .timeline-period {
  color: var(--accent);
}

.timeline-item h3 {
  margin-bottom: 0.125rem;
  font-size: 1.25rem;
}

.timeline-org {
  font-size: 0.9375rem;
  color: var(--ink-soft);
  margin-bottom: var(--space-1);
}

.timeline-summary {
  color: var(--ink-soft);
  font-size: 0.9375rem;
  margin-bottom: 0;
}

/* ================================= Skills ================================= */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: var(--space-3);
}

.skill-group {
  padding: var(--space-3);
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.skill-group:hover {
  border-color: rgba(var(--accent-rgb), 0.35);
  transform: translateY(-3px);
}

.skill-group h3 {
  font-size: 1rem;
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.skill-icon {
  color: var(--accent);
  font-size: 0.875rem;
}

.tag-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.tag-list li {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  padding: 0.25rem 0.625rem;
  background-color: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--ink-soft);
  white-space: nowrap;
}

/* ================================= About ================================== */
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  gap: var(--space-4);
}

.about-lead {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.about-text p:last-child {
  margin-bottom: 0;
}

.about-facts {
  margin: 0;
  align-self: start;
  display: grid;
  gap: var(--space-3);
  padding: var(--space-3);
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.fact dt {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
  margin-bottom: 0.1875rem;
}

.fact dd {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--ink-soft);
}

/* ================================ Contact ================================= */
.contact {
  position: relative;
  overflow: hidden;
}

.contact-glow {
  position: absolute;
  inset: auto -10% -60% -10%;
  height: 120%;
  background: radial-gradient(
    ellipse 60% 55% at 50% 100%,
    rgba(var(--accent-rgb), 0.09),
    transparent 70%
  );
  pointer-events: none;
}

.contact .container {
  position: relative;
}

.contact-email {
  display: inline-flex;
  align-items: baseline;
  gap: var(--space-2);
  font-size: clamp(1.25rem, 3.4vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
  color: var(--ink);
  margin-bottom: var(--space-4);
  word-break: break-all;
}

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

.contact-arrow {
  font-size: 0.75em;
  color: var(--accent);
  transition: transform 0.2s ease;
}

.contact-email:hover .contact-arrow {
  transform: translateX(6px);
}

.contact-list {
  list-style: none;
  margin: var(--space-3) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.contact-list li {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-2);
  align-items: baseline;
  color: var(--ink-soft);
}

.contact-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
  min-width: 5.5rem;
}

/* ================================= Footer ================================= */
.site-footer {
  padding-block: var(--space-4);
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-2);
}

.site-footer p {
  font-size: 0.875rem;
  color: var(--ink-faint);
  margin: 0;
}

/* ============================= Scroll reveal ============================== */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

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

/* Print/PDF export never scrolls — content must not hide behind the
   reveal animation there. */
@media print {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero-availability,
  .hero-name,
  .hero-title,
  .hero-lede,
  .hero-actions,
  .hero-links {
    animation: none;
    opacity: 1;
    transform: none;
  }
}

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

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

  body,
  .button,
  .contact-arrow,
  .project-card,
  .value-card,
  .skill-group,
  .mobile-nav,
  .menu-icon,
  .menu-icon::before,
  .menu-icon::after,
  .theme-toggle {
    transition: none;
  }

  .status-dot,
  .nav-cta-dot {
    animation: none;
  }

  .hero-trace path {
    animation: none;
    stroke-dasharray: none;
    stroke-dashoffset: 0;
  }

  .hero-availability,
  .hero-name,
  .hero-title,
  .hero-lede,
  .hero-actions,
  .hero-links {
    animation: none;
    opacity: 1;
    transform: none;
  }

  .nav-indicator {
    transition: none;
  }

  .ticker-track {
    animation: none;
    flex-wrap: wrap;
    width: auto;
  }
}

/* =============================== Responsive =============================== */
@media (max-width: 56rem) {
  .hero-grid {
    grid-template-columns: 1fr;
    min-height: 0;
    padding-block: var(--space-5) 0;
  }

  .hero-portrait {
    justify-self: center;
    max-width: 19rem;
    margin-top: calc(-1 * var(--space-2));
  }

  .hero-trace {
    display: none;
  }

  .proof-strip {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3) var(--space-2);
  }

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

@media (max-width: 44rem) {
  .section {
    padding-block: var(--space-5);
  }

  .brand-full {
    display: none;
  }

  .brand-short {
    display: inline;
  }

  .nav-desktop {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .mobile-nav {
    display: block;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    border-top: 1px solid transparent;
    background-color: var(--bg-alt);
    transition: max-height 0.3s ease, opacity 0.25s ease;
  }

  .mobile-nav.is-open {
    max-height: 22rem;
    opacity: 1;
    border-top-color: var(--border);
  }

  .project-card {
    padding: var(--space-3);
  }

  .project-details {
    padding: var(--space-2);
  }

  .project-details li {
    grid-template-columns: 1fr;
    gap: 0.125rem;
  }
}