/* ── Tokens ── */
:root {
  --glow:        rgba(62,207,108,.12);
  --bg:          #ffffff;
  --bg-surface:  #f5f5f5;
  --bg-card:     #ffffff;
  --border:      #e2e2e2;
  --text:        #111111;
  --text-muted:  #666666;
  --accent:      #2563eb;
  --accent-hover:#1d4ed8;
  --green:       #3ecf6c;
  --green-dim:   rgba(62,207,108,.18);
  --green-tag-bg:#edfbf2;
  --green-tag:   #1a9148;
  --tag-bg:      #eff6ff;
  --tag-text:    #1d4ed8;
  --shadow:      0 1px 3px rgba(0,0,0,.08), 0 4px 16px rgba(0,0,0,.06);
  --radius:      12px;
  --radius-sm:   6px;
  --font:        'IBM Plex Sans', system-ui, sans-serif;
  --max-w:       1020px;
  --transition:  .2s ease;
}

@media (prefers-color-scheme: dark) {
  :root {
    --glow:        rgba(62,207,108,.13);
    --bg:          #0f0f0f;
    --bg-surface:  #1a1a1a;
    --bg-card:     #161616;
    --border:      #2a2a2a;
    --text:        #f0f0f0;
    --text-muted:  #888888;
    --accent:      #3b82f6;
    --accent-hover:#60a5fa;
    --green:       #3ecf6c;
    --green-dim:   rgba(62,207,108,.15);
    --green-tag-bg:#0d2e1a;
    --green-tag:   #4ade80;
    --tag-bg:      #1e3a5f;
    --tag-text:    #93c5fd;
    --shadow:      0 1px 3px rgba(0,0,0,.3), 0 4px 16px rgba(0,0,0,.25);
  }
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }

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

/* ── Layout ── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── Nav ── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.nav-logo {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  letter-spacing: -.01em;
}
.nav-logo:hover { color: var(--green); }

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-size: .9rem;
  font-weight: 500;
  color: var(--text-muted);
}
.nav-links a:hover { color: var(--text); }

/* ── Hero ── */
.hero {
  padding: 7rem 0 5rem;
  border-bottom: 1px solid var(--border);
}

.hero-eyebrow {
  display: inline-block;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--green-tag);
  background: var(--green-tag-bg);
  padding: .25rem .75rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: clamp(2.2rem, 6vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -.03em;
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.hero h1 span { color: var(--green); }

.hero-sub {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 520px;
  margin-bottom: 2.5rem;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .65rem 1.5rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: .9rem;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--green);
  color: #0a1f0f;
}
.btn-primary:hover { background: var(--green); filter: brightness(1.1); color: #0a1f0f; transform: translateY(-1px); }

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--green); color: var(--green); transform: translateY(-1px); }

/* ── Sections ── */
section { padding: 5rem 0; border-bottom: 1px solid var(--border); }
section:last-of-type { border-bottom: none; }

.section-label {
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--green-tag);
  margin-bottom: .75rem;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -.02em;
  margin-bottom: 1.5rem;
}

/* ── About ── */
.about-body {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 600px;
  margin-bottom: 2rem;
}

.skills {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.skill-tag {
  font-size: .8rem;
  font-weight: 600;
  background: var(--green-tag-bg);
  color: var(--green-tag);
  padding: .3rem .85rem;
  border-radius: 999px;
}

/* ── Projects tree ── */
.tree {
  position: relative;
  margin-top: 2.5rem;
}

.tree-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: visible;
  z-index: 0;
}

.tree-svg path {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.tree-root {
  display: flex;
  justify-content: center;
  margin-bottom: 2rem;
  position: relative;
  z-index: 1;
}

.tree-root span {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--green-tag);
  background: var(--green-tag-bg);
  border: 1.5px solid var(--green);
  padding: .35rem 1rem;
  border-radius: 999px;
}

.tree-columns {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1.5rem;
  position: relative;
  z-index: 1;
}

.tree-branch {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

.branch-node {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: var(--bg-surface);
  border: 1.5px solid var(--border);
  padding: .3rem .9rem;
  border-radius: 999px;
  position: relative;
  z-index: 1;
}

.tree-leaves {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  width: 100%;
}

/* coming-soon card */
.card-soon {
  opacity: .6;
  border-style: dashed;
}
.card-soon:hover {
  opacity: .85;
}

.status-soon {
  background: var(--bg-surface);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.project-card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,.12);
  border-color: var(--green);
}

.project-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.project-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--tag-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.project-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--accent);
  fill: none;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.project-status {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: .2rem .65rem;
  border-radius: 999px;
}

.status-wip {
  background: var(--green-tag-bg);
  color: var(--green-tag);
}
@media (prefers-color-scheme: dark) {
  .status-wip { background: var(--green-tag-bg); color: var(--green); }
}

.status-done {
  background: #dcfce7;
  color: #15803d;
}
@media (prefers-color-scheme: dark) {
  .status-done { background: #0a2e18; color: #4ade80; }
}

.project-name {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -.01em;
}

.project-desc {
  font-size: .9rem;
  color: var(--text-muted);
  line-height: 1.6;
  flex: 1;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
}

.project-tag {
  font-size: .72rem;
  font-weight: 600;
  background: var(--bg-surface);
  color: var(--text-muted);
  padding: .2rem .6rem;
  border-radius: 999px;
  border: 1px solid var(--border);
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .85rem;
  font-weight: 600;
  color: var(--green-tag);
  align-self: flex-start;
}

.project-links {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.project-link svg {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ── Contact ── */
.contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.contact-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-icon svg {
  width: 18px;
  height: 18px;
  stroke: var(--text-muted);
  fill: none;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.contact-label {
  font-size: .75rem;
  color: var(--text-muted);
  font-weight: 500;
  display: block;
}

.contact-value {
  font-size: .95rem;
  font-weight: 600;
  color: var(--text);
}

/* ── Footer ── */
footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: .82rem;
  color: var(--text-muted);
}

footer a { color: var(--text-muted); }
footer a:hover { color: var(--green); }

/* ── Cookie banner ── */
#cookie-banner {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 3rem);
  max-width: 520px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 8px 40px rgba(0,0,0,.18);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  z-index: 1000;
  animation: slideUp .3s ease;
}

@keyframes slideUp {
  from { transform: translateX(-50%) translateY(20px); opacity: 0; }
  to   { transform: translateX(-50%) translateY(0);   opacity: 1; }
}

#cookie-banner p {
  flex: 1;
  font-size: .85rem;
  color: var(--text-muted);
  min-width: 200px;
}

.cookie-actions {
  display: flex;
  gap: .75rem;
  align-items: center;
}

/* ── Responsive ── */
@media (max-width: 720px) {
  .hero { padding: 4rem 0 3rem; }
  .nav-links { gap: 1.25rem; }

  /* collapse tree to single column */
  .tree-svg { display: none; }
  .tree-columns { grid-template-columns: 1fr; }
}

/* ── Hero gradient glow ── */
.hero {
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 10% 40%, var(--glow) 0%, transparent 70%);
  pointer-events: none;
}

/* ── Visit badge ── */
.visit-badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin-top: 2rem;
  font-size: .8rem;
  font-weight: 500;
  color: var(--text-muted);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity .5s ease, transform .5s ease;
}
.visit-badge.visible {
  opacity: 1;
  transform: none;
}

.visit-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 var(--green-dim);
  animation: pulse-dot 2s ease-in-out infinite;
  flex-shrink: 0;
}
@keyframes pulse-dot {
  0%   { box-shadow: 0 0 0 0   var(--green-dim); }
  60%  { box-shadow: 0 0 0 6px transparent;      }
  100% { box-shadow: 0 0 0 0   transparent;      }
}

/* ── Scroll fade-in ── */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .55s ease, transform .55s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: none;
}

/* ── Skill tag hover pop ── */
.skill-tag {
  transition: transform var(--transition), box-shadow var(--transition);
  cursor: default;
}
.skill-tag:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 4px 12px var(--green-dim);
}

/* ── Hero h1 gradient ── */
.hero h1 span {
  background: linear-gradient(135deg, var(--green) 0%, #22c55e 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Services ── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 2.5rem;
}
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.service-card:hover {
  border-color: var(--green);
  box-shadow: 0 0 0 4px var(--green-dim), var(--shadow);
  transform: translateY(-3px);
}
.service-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-sm);
  background: var(--green-tag-bg);
  color: var(--green-tag);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}
.service-icon svg {
  width: 1.1rem;
  height: 1.1rem;
  stroke: currentColor;
}
.service-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: .4rem;
  letter-spacing: -.01em;
}
.service-price {
  font-size: .8rem;
  font-weight: 600;
  color: var(--green-tag);
  background: var(--green-tag-bg);
  border-radius: 99px;
  padding: .15rem .6rem;
  display: inline-block;
  margin-bottom: .75rem;
}
.service-desc {
  font-size: .88rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 1rem;
}
.service-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: .35rem;
}
.service-list li {
  font-size: .82rem;
  color: var(--text-muted);
  padding-left: 1rem;
  position: relative;
}
.service-list li::before {
  content: '·';
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: 700;
}
.services-cta {
  margin-top: 2.5rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.services-cta-text {
  font-size: .95rem;
  color: var(--text-muted);
  margin: 0;
}
@media (max-width: 720px) {
  .services-grid { grid-template-columns: 1fr; }
}

/* ── Project link muted (private/NDA) ── */
.project-link-muted {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-size: .8rem;
  font-weight: 500;
  color: var(--text-muted);
  opacity: .6;
  cursor: default;
}
.project-link-muted svg {
  width: 13px;
  height: 13px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ── Client work status badge ── */
.status-client {
  background: #fff7ed;
  color: #c2410c;
}
@media (prefers-color-scheme: dark) {
  .status-client {
    background: rgba(194,65,12,.15);
    color: #fb923c;
  }
}