/* ============================================================================
   DIEGO TOBÓN — ALGORITHMIC TRADING TOOLS
   v3: Precision Performance aesthetic
   Palette (OKLCH): Cool midnight slate / Teal signal / Periwinkle secondary
   Color strategy: Restrained — dark surfaces, teal accent ≤10%
   Scene: Professional quant on a calibrated monitor, afternoon, evaluating tools
   ============================================================================ */

:root {
  /* Surfaces — cool midnight slate, inviting dark (not void-black) */
  --bg:    oklch(12%   0.010 252);
  --bg-2:  oklch(15.5% 0.012 252);
  --bg-3:  oklch(19.5% 0.011 252);

  /* Text — slightly cool-tinted near-white */
  --ink:   oklch(93%   0.007 248);
  --ink-2: oklch(65%   0.011 248);
  --ink-3: oklch(45%   0.009 248);

  /* Primary accent: measured teal — performance + precision, not neon */
  --amber:    oklch(65%   0.145 178);   /* name kept for alias compat */
  --amber-2:  oklch(51%   0.110 178);
  --amber-bg: oklch(65%   0.145 178 / 0.09);
  --amber-bd: oklch(65%   0.145 178 / 0.30);

  /* Secondary: white/silver — clean contrast, no pastel */
  --sky:    oklch(93%   0.005 252);
  --sky-2:  oklch(70%   0.007 252);
  --sky-bg: oklch(93%   0.005 252 / 0.08);
  --sky-bd: oklch(93%   0.005 252 / 0.18);

  /* Borders */
  --bd:    oklch(22%   0.011 252);
  --bd-2:  oklch(31%   0.013 252);

  /* Shadows & glows */
  --shadow:    0 20px 60px oklch(5% 0.008 252 / 0.65);
  --shadow-sm: 0 8px  30px oklch(5% 0.008 252 / 0.45);
  --glow-a:    0 0 28px oklch(65% 0.145 178 / 0.30);
  --glow-s:    0 0 20px oklch(93% 0.005 252 / 0.22);

  /* Misc */
  --r:    5px;
  --r2:   11px;
  --t:    0.30s cubic-bezier(0.22, 1, 0.36, 1);
  --maxw: 1320px;

  /* ─── Backwards-compat aliases ─── */
  --text-primary:   var(--ink);
  --text-secondary: var(--ink-2);
  --text-muted:     var(--ink-3);
  --bg-primary:     var(--bg);
  --bg-secondary:   var(--bg-2);
  --bg-tertiary:    var(--bg-3);
  --accent-green:   var(--amber);
  --accent-blue:    var(--sky);
  --border-color:   var(--bd);
  --border-hover:   var(--bd-2);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Subtle global grid texture */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(oklch(93% 0.005 252 / 0.014) 1px, transparent 1px),
    linear-gradient(90deg, oklch(65% 0.145 178 / 0.016) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 25%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 25%, transparent 100%);
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
  background: var(--bd-2);
  border-radius: 8px;
  border: 2px solid var(--bg);
}
::-webkit-scrollbar-thumb:hover { background: var(--amber-2); }
::selection { background: oklch(65% 0.145 178 / 0.22); color: var(--ink); }

/* ============================================================================
   TYPOGRAPHY
   ============================================================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  letter-spacing: 0.02em;
}

h1 { font-size: clamp(2.6rem, 7vw, 4.4rem); line-height: 1.04; }
h2 { font-size: clamp(1.9rem, 5vw, 2.8rem); line-height: 1.12; }
h3 { font-size: 1.25rem; line-height: 1.3; }

p {
  color: var(--ink-2);
  font-size: 1rem;
  line-height: 1.8;
}

a {
  color: var(--amber);
  text-decoration: none;
  transition: var(--t);
}
a:hover { color: var(--sky); }

/* ============================================================================
   LAYOUT
   ============================================================================ */

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 1;
}

/* Solid accent text — no gradient */
.accent-text  { color: var(--amber); }
.gradient-text { color: var(--amber); } /* compat */

/* ============================================================================
   NAVIGATION
   ============================================================================ */

.navbar {
  position: fixed;
  top: 0; width: 100%;
  background: oklch(12% 0.010 252 / 0.82);
  backdrop-filter: blur(14px) saturate(130%);
  -webkit-backdrop-filter: blur(14px) saturate(130%);
  border-bottom: 1px solid var(--bd);
  z-index: 1000;
  transition: var(--t);
}
.navbar.scrolled {
  background: oklch(12% 0.010 252 / 0.96);
  border-bottom-color: var(--bd-2);
  box-shadow: 0 8px 40px oklch(5% 0.008 252 / 0.5);
}

.nav-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 68px;
}

.logo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  display: inline-flex;
  align-items: center;
  gap: 1px;
  transition: var(--t);
}
.logo:hover { opacity: 0.72; }
.logo-bracket { color: var(--sky); }
.logo-text    { color: var(--amber); }

.nav-links {
  display: flex;
  list-style: none;
  gap: 2.25rem;
  align-items: center;
}

.nav-link {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--ink-2);
  position: relative;
  transition: var(--t);
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -6px; left: 0;
  width: 0; height: 1px;
  background: var(--amber);
  transition: width 0.28s ease;
}
.nav-link:hover::after,
.nav-link.active::after { width: 100%; }
.nav-link:hover,
.nav-link.active { color: var(--amber); }

.nav-cta {
  padding: 0.45rem 1rem;
  border: 1px solid var(--sky-bd);
  border-radius: 999px;
  color: var(--sky);
}
.nav-cta::after { display: none; }
.nav-cta:hover {
  background: var(--sky-bg);
  color: var(--sky);
  box-shadow: var(--glow-s);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  gap: 5px; padding: 6px;
  z-index: 1100;
}
.menu-toggle span {
  width: 24px; height: 2px;
  background: var(--amber);
  border-radius: 1px;
  transition: var(--t);
}
.menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 880px) {
  .menu-toggle { display: flex; }
  .nav-links {
    position: absolute;
    top: 68px; left: 0; width: 100%;
    flex-direction: column;
    gap: 0;
    background: oklch(15.5% 0.012 252 / 0.98);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--bd);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
  }
  .nav-links.active { max-height: 440px; }
  .nav-link {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--bd);
    width: 100%;
  }
  .nav-link::after { display: none; }
  .nav-cta { border: none; border-radius: 0; margin: 0; }
}

/* ============================================================================
   HERO
   ============================================================================ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  margin-top: 68px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0; z-index: 0;
  background:
    radial-gradient(ellipse 1000px 500px at 78% -8%,  oklch(93% 0.005 252 / 0.06), transparent 65%),
    radial-gradient(ellipse  800px 500px at 12% 95%,  oklch(65% 0.145 178 / 0.10), transparent 65%),
    var(--bg);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(oklch(93% 0.005 252 / 0.036) 1px, transparent 1px),
    linear-gradient(90deg, oklch(65% 0.145 178 / 0.038) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 75% at 50% 30%, #000 10%, transparent 68%);
  -webkit-mask-image: radial-gradient(ellipse 70% 75% at 50% 30%, #000 10%, transparent 68%);
  animation: gridPan 28s linear infinite;
}
@keyframes gridPan {
  from { background-position: 0 0, 0 0; }
  to   { background-position: 64px 64px, 64px 64px; }
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.38;
  z-index: 0;
}
.hero-orb-1 {
  width: 420px; height: 420px;
  background: radial-gradient(circle, oklch(93% 0.005 252 / 0.28), transparent 70%);
  top: -60px; right: -40px;
  animation: float1 16s ease-in-out infinite;
}
.hero-orb-2 {
  width: 360px; height: 360px;
  background: radial-gradient(circle, oklch(65% 0.145 178 / 0.55), transparent 70%);
  bottom: -80px; left: -20px;
  animation: float2 20s ease-in-out infinite;
}
@keyframes float1 {
  0%, 100% { transform: translate(0, 0); }
  50%       { transform: translate(-35px, 35px); }
}
@keyframes float2 {
  0%, 100% { transform: translate(0, 0); }
  50%       { transform: translate(35px, -25px); }
}

.hero-overlay {
  position: absolute;
  inset: 0; z-index: 1;
  background: linear-gradient(180deg, transparent 55%, var(--bg-2) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 5rem 0;
  max-width: 820px;
  animation: fadeUp 0.8s ease both;
}

.hero-text {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  width: fit-content;
  padding: 0.44rem 0.9rem;
  border: 1px solid var(--amber-bd);
  background: var(--amber-bg);
  border-radius: 999px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--amber);
}
.status-dot {
  width: 7px; height: 7px;
  background: var(--amber);
  border-radius: 50%;
  animation: pulse 2.5s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 oklch(65% 0.145 178 / 0.6); }
  50%       { opacity: 0.8; box-shadow: 0 0 0 8px oklch(65% 0.145 178 / 0); }
}

.hero-title { color: var(--ink); letter-spacing: -0.01em; }

.hero-description {
  font-size: 1.1rem;
  color: var(--ink-2);
  max-width: 620px;
}

/* Inline credentials bar */
.hero-credentials {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1.1rem 0;
  border-top: 1px solid var(--bd);
  border-bottom: 1px solid var(--bd);
}
.credential {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.09em;
  color: var(--ink-2);
}
.credential strong { color: var(--amber); font-weight: 700; }
.credential-sep    { color: var(--bd-2); }

.hero-buttons {
  display: flex;
  gap: 0.85rem;
  flex-wrap: wrap;
}

/* ── Buttons ── */
.btn {
  padding: 0.85rem 1.65rem;
  border: 1px solid var(--bd);
  border-radius: var(--r);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: var(--t);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  position: relative;
  overflow: hidden;
}
.btn::before {
  content: '';
  position: absolute;
  top: 0; left: -110%;
  width: 55%; height: 100%;
  background: linear-gradient(120deg, transparent, oklch(100% 0 0 / 0.16), transparent);
  transform: skewX(-18deg);
  transition: left 0.55s ease;
}
.btn:hover::before { left: 130%; }

.btn-primary {
  background: var(--amber);
  color: oklch(13% 0.010 252);
  border-color: transparent;
  font-weight: 700;
}
.btn-primary:hover {
  background: oklch(69% 0.145 178);
  box-shadow: var(--glow-a);
  transform: translateY(-2px);
  color: oklch(13% 0.010 252);
}

.btn-outline {
  background: transparent;
  color: var(--sky);
  border-color: var(--sky-bd);
}
.btn-outline:hover {
  background: var(--sky-bg);
  box-shadow: var(--glow-s);
  transform: translateY(-2px);
  color: var(--sky);
}

/* ============================================================================
   PROJECTS SECTION
   ============================================================================ */

.projects {
  padding: 7rem 0 6rem;
  border-top: 1px solid var(--bd);
  background: linear-gradient(180deg, var(--bg-2) 0%, var(--bg) 100%);
  position: relative;
}

.section-header {
  margin-bottom: 3.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.section-title {
  font-size: clamp(1.9rem, 4vw, 2.5rem);
  color: var(--ink);
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}
.terminal-symbol { color: var(--amber); }
.section-count {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  letter-spacing: 0.10em;
  color: var(--ink-3);
}

/* Featured first card */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.projects-grid .project-card:first-child {
  grid-column: span 2;
}
.projects-grid .project-card:first-child .project-image {
  height: 280px;
}

@media (max-width: 1024px) {
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .projects-grid .project-card:first-child { grid-column: span 2; }
}
@media (max-width: 640px) {
  .projects-grid { grid-template-columns: 1fr; }
  .projects-grid .project-card:first-child { grid-column: span 1; }
  .projects-grid .project-card:first-child .project-image { height: 220px; }
}

/* Project Card */
.project-card {
  border: 1px solid var(--bd);
  background: var(--bg-2);
  border-radius: var(--r2);
  overflow: hidden;
  transition: var(--t);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
  color: inherit;
}
.project-card:hover {
  border-color: var(--amber-bd);
  box-shadow: 0 20px 55px oklch(5% 0.008 252 / 0.50), var(--glow-a);
  transform: translateY(-6px);
}

.project-image {
  position: relative;
  width: 100%; height: 210px;
  overflow: hidden;
  background: var(--bg-3);
}
.project-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
  filter: saturate(0.82) brightness(0.90);
}
.project-card:hover .project-image img {
  transform: scale(1.06);
  filter: saturate(1.0) brightness(1.0);
}
.project-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, oklch(15.5% 0.012 252 / 0.88) 100%);
}

.project-index {
  position: absolute;
  top: 0.85rem; left: 0.85rem;
  z-index: 2;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--amber);
  padding: 0.22rem 0.55rem;
  border: 1px solid var(--amber-bd);
  background: oklch(12% 0.010 252 / 0.75);
  border-radius: 999px;
  letter-spacing: 0.07em;
}

.project-overlay {
  position: absolute;
  inset: 0; z-index: 3;
  background: oklch(12% 0.010 252 / 0.52);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--t);
}
.project-card:hover .project-overlay { opacity: 1; }

.view-btn {
  padding: 0.7rem 1.35rem;
  border: 1px solid var(--amber-bd);
  background: var(--amber-bg);
  color: var(--amber);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  border-radius: var(--r);
  transform: translateY(10px);
  transition: var(--t);
  cursor: pointer;
}
.project-card:hover .view-btn { transform: translateY(0); }
.view-btn:hover {
  background: var(--amber);
  color: oklch(13% 0.010 252);
  box-shadow: var(--glow-a);
}

.project-info {
  padding: 1.4rem 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.75rem;
}
.project-title {
  font-size: 1.2rem;
  color: var(--ink);
  transition: var(--t);
}
.project-card:hover .project-title { color: var(--amber); }

.project-version {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.70rem;
  padding: 0.24rem 0.62rem;
  background: var(--amber-bg);
  color: var(--amber-2);
  border: 1px solid var(--amber-bd);
  border-radius: 999px;
  white-space: nowrap;
}

.project-description {
  font-size: 0.92rem;
  color: var(--ink-2);
  flex-grow: 1;
  line-height: 1.7;
}

.project-features {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  align-items: center;
}
.feature-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.67rem;
  padding: 0.24rem 0.55rem;
  background: var(--sky-bg);
  color: var(--sky);
  border: 1px solid var(--sky-bd);
  border-radius: 999px;
  letter-spacing: 0.04em;
}
.feature-tag--accent {
  background: var(--amber-bg);
  color: var(--amber-2);
  border-color: var(--amber-bd);
}

.card-arrow {
  margin-left: auto;
  font-family: 'JetBrains Mono', monospace;
  font-size: 1rem;
  color: var(--amber);
  transform: translateX(-6px);
  opacity: 0;
  transition: var(--t);
}
.project-card:hover .card-arrow { opacity: 1; transform: translateX(0); }

/* ============================================================================
   FOOTER
   ============================================================================ */

.footer {
  background: var(--bg-2);
  border-top: 1px solid var(--bd);
  padding: 3.5rem 0 2.5rem;
  position: relative;
}
.footer::before {
  content: '';
  position: absolute;
  top: -1px; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--amber-bd) 40%, var(--sky-bd) 70%, transparent 100%);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2.5rem;
}
.footer-section {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}
.footer-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--amber);
  margin-bottom: 0.2rem;
}
.footer-section p { font-size: 0.90rem; }
.footer-section a { color: var(--ink-2); }
.footer-section a:hover { color: var(--amber); }

/* ============================================================================
   PROJECT DETAIL PAGE
   ============================================================================ */

.project-detail {
  padding: 4rem 0 5rem;
  margin-top: 68px;
}

.project-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
  margin-bottom: 4rem;
  padding-bottom: 3.5rem;
  border-bottom: 1px solid var(--bd);
}
@media (max-width: 1024px) {
  .project-hero { grid-template-columns: 1fr; gap: 2.5rem; }
}

.project-hero-image {
  width: 100%;
  border: 1px solid var(--bd);
  border-radius: var(--r2);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.project-hero-image img { width: 100%; height: auto; display: block; }

.project-hero-content h1 { margin-bottom: 1rem; }
.project-hero-content .project-description {
  font-size: 1.02rem;
  color: var(--ink-2);
}

.project-version-links {
  display: flex;
  gap: 0.85rem;
  margin: 1.75rem 0;
  flex-wrap: wrap;
}
.version-link {
  padding: 0.55rem 1rem;
  border: 1px solid var(--sky-bd);
  background: var(--sky-bg);
  color: var(--sky);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  border-radius: var(--r);
  transition: var(--t);
}
.version-link:hover {
  background: oklch(93% 0.005 252 / 0.12);
  box-shadow: var(--glow-s);
  transform: translateY(-2px);
  color: var(--sky);
}

.project-specs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.9rem;
  margin: 2rem 0 0;
}
@media (max-width: 600px) {
  .project-specs { grid-template-columns: 1fr; }
}

.spec-item {
  padding: 1rem 1.2rem;
  border: 1px solid var(--bd);
  background: var(--bg-3);
  border-radius: var(--r);
  transition: var(--t);
}
.spec-item:hover {
  border-color: var(--bd-2);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}
.spec-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.70rem;
  letter-spacing: 0.12em;
  color: var(--amber-2);
  margin-bottom: 0.45rem;
}
.spec-value { font-size: 0.96rem; font-weight: 600; color: var(--ink); }
.spec-sub {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--ink-3);
  margin-top: 0.12rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.1rem;
  margin: 2.5rem 0;
}

.feature-box {
  padding: 1.4rem 1.5rem;
  border: 1px solid var(--bd);
  background: var(--bg-3);
  border-radius: var(--r2);
  transition: var(--t);
  position: relative;
  overflow: hidden;
}
/* Top stripe allowed (not side stripe) */
.feature-box::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, var(--amber), var(--sky));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.32s ease;
}
.feature-box:hover {
  border-color: var(--bd-2);
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}
.feature-box:hover::before { transform: scaleX(1); }
.feature-box h3 { color: var(--amber); margin-bottom: 0.5rem; font-size: 1rem; }
.feature-box p { font-size: 0.90rem; }

.project-detail h2 { color: var(--ink); }

/* ============================================================================
   CONTACT PAGE
   ============================================================================ */

.contact-section {
  padding: 5rem 0;
  margin-top: 68px;
  min-height: calc(100vh - 68px);
  display: flex;
  align-items: center;
  position: relative;
}
.contact-section::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 700px 400px at 90% 10%, oklch(93% 0.005 252 / 0.05), transparent 60%),
    radial-gradient(ellipse 600px 400px at 0% 90%,  oklch(65% 0.145 178 / 0.07), transparent 60%);
  pointer-events: none;
}

.contact-container {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 3.5rem;
  align-items: start;
}
@media (max-width: 1024px) {
  .contact-container { grid-template-columns: 1fr; gap: 2.5rem; }
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}
.contact-info h1 { margin-bottom: 0.5rem; color: var(--ink); }

/* Contact items — full border + tint on hover, no side stripe */
.contact-item {
  padding: 1.1rem 1.3rem;
  border: 1px solid var(--bd);
  background: var(--bg-3);
  border-radius: var(--r);
  transition: var(--t);
}
.contact-item:hover {
  border-color: var(--amber-bd);
  background: var(--amber-bg);
  box-shadow: var(--glow-a);
}

.contact-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.70rem;
  letter-spacing: 0.12em;
  color: var(--amber-2);
  margin-bottom: 0.38rem;
}
.contact-value { font-size: 1.02rem; color: var(--ink); }
.contact-value a { color: var(--ink); }
.contact-value a:hover { color: var(--amber); }

.contact-form-card {
  padding: 1.85rem;
  border: 1px solid var(--bd);
  background: var(--bg-2);
  border-radius: var(--r2);
  box-shadow: var(--shadow-sm);
}

.contact-form { display: flex; flex-direction: column; gap: 1.25rem; }
.form-group { display: flex; flex-direction: column; gap: 0.45rem; }
.form-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--amber-2);
}
.form-input,
.form-textarea {
  padding: 0.82rem 1rem;
  border: 1px solid var(--bd);
  background: oklch(12% 0.010 252 / 0.55);
  color: var(--ink);
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  border-radius: var(--r);
  transition: var(--t);
}
.form-input::placeholder,
.form-textarea::placeholder { color: var(--ink-3); }
.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--amber-bd);
  box-shadow: 0 0 0 3px oklch(65% 0.145 178 / 0.10);
  background: oklch(12% 0.010 252 / 0.84);
}
.form-textarea { resize: vertical; min-height: 148px; }

/* Direct messaging buttons */
.msg-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.msg-link {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1.1rem 1.4rem;
  border-radius: var(--r);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  transition: var(--t);
  position: relative;
  overflow: hidden;
  text-decoration: none;
}
.msg-link::before {
  content: '';
  position: absolute;
  top: 0; left: -110%;
  width: 55%; height: 100%;
  background: linear-gradient(120deg, transparent, oklch(100% 0 0 / 0.12), transparent);
  transform: skewX(-18deg);
  transition: left 0.55s ease;
}
.msg-link:hover::before { left: 130%; }

.msg-link-arrow {
  margin-left: auto;
  transform: translateX(-4px);
  opacity: 0.6;
  transition: var(--t);
  font-size: 1rem;
}
.msg-link:hover .msg-link-arrow {
  transform: translateX(0);
  opacity: 1;
}

.msg-link--primary {
  background: var(--amber);
  color: oklch(13% 0.010 252);
  border: 1px solid transparent;
}
.msg-link--primary:hover {
  background: oklch(69% 0.145 178);
  box-shadow: var(--glow-a);
  transform: translateY(-2px);
  color: oklch(13% 0.010 252);
}

.msg-link--secondary {
  background: transparent;
  color: var(--sky);
  border: 1px solid var(--sky-bd);
}
.msg-link--secondary:hover {
  background: var(--sky-bg);
  box-shadow: var(--glow-s);
  transform: translateY(-2px);
  color: var(--sky);
}

.form-submit {
  padding: 0.92rem 1.5rem;
  border: none;
  background: var(--amber);
  color: oklch(13% 0.010 252);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.90rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  border-radius: var(--r);
  cursor: pointer;
  transition: var(--t);
  position: relative;
  overflow: hidden;
}
.form-submit::before {
  content: '';
  position: absolute;
  top: 0; left: -110%;
  width: 55%; height: 100%;
  background: linear-gradient(120deg, transparent, oklch(100% 0 0 / 0.20), transparent);
  transform: skewX(-18deg);
  transition: left 0.55s ease;
}
.form-submit:hover::before { left: 130%; }
.form-submit:hover {
  background: oklch(69% 0.145 178);
  box-shadow: var(--glow-a);
  transform: translateY(-2px);
}

/* ============================================================================
   UTILITIES
   ============================================================================ */

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 2rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: var(--sky);
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--bd);
  border-radius: 999px;
  transition: var(--t);
}
.back-link:hover {
  color: var(--amber);
  border-color: var(--amber-bd);
  transform: translateX(-3px);
}

.breadcrumb {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  color: var(--ink-2);
  margin-bottom: 2rem;
}
.breadcrumb a { color: var(--sky); }

.cta-panel {
  margin: 4rem 0 0;
  padding: 3rem 2rem;
  border: 1px solid var(--bd);
  background:
    radial-gradient(ellipse 500px 250px at 50% 0%, oklch(65% 0.145 178 / 0.07), transparent 70%),
    var(--bg-2);
  border-radius: var(--r2);
  text-align: center;
}
.cta-panel h3 { margin-bottom: 0.8rem; color: var(--ink); }
.cta-panel p { margin-bottom: 1.5rem; }

/* ============================================================================
   ANIMATIONS
   ============================================================================ */

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(22px); }