:root {
  --bg: #0a0b14;
  --text: #e6e8ef;
  --text-dim: #9aa3b2;
  --accent: #22d3ee;
  --accent-2: #a78bfa;
  --surface: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.08);
  --maxw: 1100px;
  --radius: 14px;
  --transition: 200ms ease;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 20% 10%, rgba(34, 211, 238, 0.15), transparent 40%),
    radial-gradient(circle at 80% 30%, rgba(167, 139, 250, 0.12), transparent 45%),
    radial-gradient(circle at 50% 90%, rgba(34, 211, 238, 0.08), transparent 50%);
  z-index: -1;
  pointer-events: none;
}

a { color: var(--accent); text-decoration: none; transition: opacity var(--transition); }
a:hover { opacity: 0.8; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; border-radius: 4px; }

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

h1, h2, h3 { font-weight: 700; letter-spacing: -0.02em; line-height: 1.15; }
h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); margin-bottom: 1.5rem; }
h3 { font-size: 1.25rem; margin-bottom: 0.5rem; }

p { color: var(--text-dim); }

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 64px 0;
}

@media (min-width: 1024px) {
  section { padding: 96px 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(10, 11, 20, 0.6);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.nav.scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.nav-brand {
  font-weight: 700;
  color: var(--text);
  font-size: 1rem;
}
.nav-brand:hover { opacity: 1; color: var(--accent); }
.nav-menu {
  display: none;
  list-style: none;
  gap: 28px;
}
.nav-menu a {
  color: var(--text-dim);
  font-size: 0.95rem;
  font-weight: 500;
}
.nav-menu a:hover { color: var(--text); opacity: 1; }
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 22px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(10px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-10px) rotate(-45deg); }

@media (max-width: 767px) {
  .nav-menu.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(10, 11, 20, 0.95);
    backdrop-filter: blur(12px);
    padding: 20px 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
  }
}
@media (min-width: 768px) {
  .nav-toggle { display: none; }
  .nav-menu { display: flex; }
}

.hero {
  padding-top: 96px;
  padding-bottom: 64px;
  min-height: calc(100vh - 64px);
  display: flex;
  align-items: center;
}
.hero-eyebrow {
  color: var(--accent);
  font-size: 0.95rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}
.hero-name {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  background: linear-gradient(135deg, var(--text) 0%, var(--accent) 60%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 20px;
}
.hero-pitch {
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  max-width: 640px;
  margin-bottom: 48px;
}
.metrics {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 40px;
}
@media (min-width: 640px) {
  .metrics { grid-template-columns: repeat(3, 1fr); gap: 20px; }
}
.metric {
  background: var(--surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.metric-value {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}
.metric-unit { font-size: 0.6em; color: var(--accent-2); }
.metric-label {
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 500;
}
.metric-label span {
  display: block;
  color: var(--text-dim);
  font-weight: 400;
  font-size: 0.85rem;
  margin-top: 2px;
}
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 500;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}
.btn:hover { transform: translateY(-1px); opacity: 1; }
.btn-primary {
  background: var(--accent);
  color: #062028;
  font-weight: 600;
}
.btn-primary:hover { background: #67e8f9; }
.btn-secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

.section-head { margin-bottom: 40px; }
.eyebrow {
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 12px;
}
.about-body {
  max-width: 720px;
  font-size: 1.05rem;
  color: var(--text);
  margin-bottom: 16px;
}
.about-body strong { color: var(--text); font-weight: 600; }
.badge {
  display: inline-block;
  margin-top: 12px;
  padding: 8px 16px;
  border: 1px solid var(--accent);
  border-radius: 999px;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.project-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
@media (min-width: 768px) {
  .project-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
}
.project-card {
  background: var(--surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-color var(--transition), transform var(--transition);
}
.project-card:hover {
  border-color: rgba(34, 211, 238, 0.4);
  transform: translateY(-2px);
}
.project-card p { color: var(--text-dim); font-size: 0.95rem; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.2);
  color: var(--accent);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 500;
}
.project-link {
  margin-top: auto;
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 500;
}
.project-link--muted { color: var(--text-dim); }

.timeline {
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: relative;
  padding-left: 24px;
  border-left: 2px solid var(--border);
}
.role {
  background: var(--surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  position: relative;
}
.role::before {
  content: '';
  position: absolute;
  left: -32px;
  top: 28px;
  width: 12px;
  height: 12px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(34, 211, 238, 0.15);
}
.role-head {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 12px;
}
@media (min-width: 640px) {
  .role-head { flex-direction: row; justify-content: space-between; align-items: baseline; gap: 16px; }
}
.role-date { color: var(--text-dim); font-size: 0.85rem; font-weight: 500; white-space: nowrap; }
.role-bullets { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.role-bullets li {
  color: var(--text-dim);
  font-size: 0.95rem;
  padding-left: 18px;
  position: relative;
}
.role-bullets li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  opacity: 0.6;
}

.content-body { max-width: 720px; font-size: 1.05rem; color: var(--text); margin-bottom: 28px; }
.content-ctas { display: flex; flex-wrap: wrap; gap: 12px; }

.skill-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}
.skill-row:last-child { border-bottom: none; }
@media (min-width: 768px) {
  .skill-row { grid-template-columns: 200px 1fr; gap: 32px; align-items: center; }
}
.skill-label {
  color: var(--text);
  font-weight: 600;
  font-size: 0.95rem;
}

.contact-pitch { max-width: 640px; font-size: 1.05rem; margin-bottom: 28px; }
.contact-ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 32px; }
.contact-links {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.contact-links a { color: var(--text-dim); font-size: 0.95rem; }
.contact-links a:hover { color: var(--accent); }

.site-footer {
  padding: 32px 0;
  border-top: 1px solid var(--border);
}
.site-footer p { color: var(--text-dim); font-size: 0.85rem; text-align: center; }

.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 600ms ease, transform 600ms ease;
}
.fade-in.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ---- WhatsApp button ---- */
.btn-whatsapp {
  background: #25d366;
  color: #062416;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.25);
}
.btn-whatsapp:hover { background: #20bd5a; opacity: 1; }
.btn-icon { width: 18px; height: 18px; flex-shrink: 0; }

/* ---- Animations ---- */
@keyframes blob-drift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%      { transform: translate(20px, -30px) scale(1.05); }
}
@keyframes hero-shimmer {
  0%   { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}
@keyframes pulse-ring {
  0%   { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.55); }
  70%  { box-shadow: 0 0 0 14px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}
@keyframes metric-rise {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

body::before {
  animation: blob-drift 18s ease-in-out infinite;
}

.hero-name {
  background: linear-gradient(120deg, var(--text) 0%, var(--accent) 30%, var(--accent-2) 55%, var(--accent) 80%, var(--text) 100%);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: hero-shimmer 8s linear infinite;
}

.btn-whatsapp {
  animation: pulse-ring 2.4s ease-out infinite;
}

.metric { transition: transform var(--transition), border-color var(--transition); }
.metric:hover { transform: translateY(-3px); border-color: rgba(34, 211, 238, 0.4); }

.metric.metric-animate .metric-value {
  animation: metric-rise 700ms ease-out both;
}

@media (prefers-reduced-motion: reduce) {
  body::before,
  .hero-name,
  .btn-whatsapp,
  .metric.metric-animate .metric-value {
    animation: none !important;
  }
}

/* ---- Writing preview (home page) ---- */
.writing-pitch { max-width: 720px; font-size: 1.05rem; color: var(--text); margin-bottom: 28px; }
.writing-preview {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 28px;
}
@media (min-width: 768px) {
  .writing-preview { grid-template-columns: repeat(2, 1fr); gap: 20px; }
}
.writing-card {
  background: var(--surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  display: block;
  color: var(--text);
  transition: border-color var(--transition), transform var(--transition);
}
.writing-card:hover {
  border-color: rgba(34, 211, 238, 0.4);
  transform: translateY(-2px);
  opacity: 1;
}
.writing-card .post-meta {
  display: flex;
  gap: 12px;
  align-items: center;
  color: var(--text-dim);
  font-size: 0.85rem;
  margin-bottom: 8px;
}
.writing-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--text);
}
.writing-card p { color: var(--text-dim); font-size: 0.92rem; }
.writing-loading { color: var(--text-dim); padding: 20px 0; }
.writing-all { display: inline-flex; }