/* ===================== Tokens ===================== */
:root {
  --bg: #f7f6f2;
  --bg-alt: #efeee8;
  --surface: #ffffff;
  --border: #e3e1d9;
  --text: #17171a;
  --text-muted: #5c5c63;
  --accent: #d97757;
  --accent-soft: #f2d9cd;
  --accent-contrast: #fff5f0;
  --shadow: 0 4px 24px rgba(20, 20, 20, 0.06);
  --radius: 14px;
  --font-display: "Space Grotesk", "Inter", sans-serif;
  --font-body: "Inter", sans-serif;
  --font-mono: "JetBrains Mono", monospace;
  --max-width: 1080px;
}

:root[data-theme="dark"] {
  --bg: #131214;
  --bg-alt: #19181b;
  --surface: #1c1b1e;
  --border: #2c2a2e;
  --text: #f3f1ec;
  --text-muted: #a5a3a8;
  --accent: #e08a68;
  --accent-soft: #3a2a24;
  --accent-contrast: #241b17;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #131214;
    --bg-alt: #19181b;
    --surface: #1c1b1e;
    --border: #2c2a2e;
    --text: #f3f1ec;
    --text-muted: #a5a3a8;
    --accent: #e08a68;
    --accent-soft: #3a2a24;
    --accent-contrast: #241b17;
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  }
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background 0.3s ease, color 0.3s ease;
  overflow-x: hidden;
}

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

a { color: inherit; text-decoration: none; }

ul { list-style: none; }

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.025;
  z-index: 999;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ===================== Navbar ===================== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, background 0.3s ease;
}

.navbar.scrolled { border-bottom-color: var(--border); }

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

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}
.logo .dot { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding: 4px 0;
  transition: color 0.2s ease;
}

.nav-links a:hover { color: var(--text); }

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: -2px;
  height: 2px;
  background: var(--accent);
  transition: right 0.25s ease;
}
.nav-links a:hover::after { right: 0; }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.icon-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  width: 38px; height: 38px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.icon-btn:hover { border-color: var(--accent); transform: translateY(-1px); }
.icon-btn svg { stroke: currentColor; fill: none; stroke-width: 1.7; }
.icon-btn .sun { display: none; }
:root[data-theme="dark"] .icon-btn .sun,
:root:not([data-theme="light"]) .icon-btn .sun { display: block; }
:root[data-theme="dark"] .icon-btn .moon,
:root:not([data-theme="light"]) .icon-btn .moon { display: none; }
:root[data-theme="light"] .icon-btn .sun { display: none; }
:root[data-theme="light"] .icon-btn .moon { display: block; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .icon-btn .sun { display: none; }
  :root:not([data-theme="dark"]) .icon-btn .moon { display: block; }
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.hamburger span {
  width: 20px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

/* ===================== Hero ===================== */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: 68px;
  background:
    radial-gradient(600px circle at 85% 15%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 60%),
    radial-gradient(500px circle at 10% 90%, color-mix(in srgb, var(--accent) 8%, transparent), transparent 60%);
}

.hero-inner { max-width: 760px; }

.eyebrow {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  margin-bottom: 1rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.hero-role {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(1.1rem, 2.4vw, 1.5rem);
  color: var(--text-muted);
  margin-top: 0.9rem;
  min-height: 1.6em;
}
.hero-role .typed { color: var(--accent); }
.cursor {
  display: inline-block;
  margin-left: 2px;
  color: var(--accent);
  animation: blink 1s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.hero-desc {
  margin-top: 1.5rem;
  max-width: 620px;
  color: var(--text-muted);
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-top: 2.2rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 20px color-mix(in srgb, var(--accent) 40%, transparent); }
.btn-outline {
  border-color: var(--border);
  color: var(--text);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

.hero-socials {
  display: flex;
  gap: 1rem;
  margin-top: 2.6rem;
}
.hero-socials a {
  width: 42px; height: 42px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  background: var(--surface);
  transition: all 0.2s ease;
}
.hero-socials a:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
}
.hero-socials svg { fill: currentColor; }

.scroll-cue {
  position: absolute;
  bottom: 2.2rem;
  left: 50%;
  transform: translateX(-50%);
  width: 26px; height: 42px;
  border: 2px solid var(--border);
  border-radius: 14px;
}
.scroll-cue span {
  position: absolute;
  top: 8px; left: 50%;
  width: 4px; height: 8px;
  background: var(--accent);
  border-radius: 2px;
  transform: translateX(-50%);
  animation: scrollcue 1.8s ease infinite;
}
@keyframes scrollcue {
  0% { opacity: 1; top: 8px; }
  70% { opacity: 0; top: 20px; }
  100% { opacity: 0; top: 20px; }
}

/* ===================== Sections ===================== */
.section { padding: 7rem 0; }
.section.alt { background: var(--bg-alt); }

.section-label {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  margin-bottom: 0.6rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 2.8rem;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 3rem;
  align-items: start;
}
.about-text { color: var(--text-muted); font-size: 1.05rem; }
.about-text strong { color: var(--text); font-weight: 600; }

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem 1rem;
  text-align: center;
}
.stat-num {
  font-family: var(--font-display);
  font-size: 2.1rem;
  font-weight: 700;
  color: var(--accent);
}
.stat-suffix { font-size: 1.4rem; font-weight: 700; color: var(--accent); }
.stat-label {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 0.3rem;
}

/* Skills */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}
.skill-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.skill-card:hover { border-color: var(--accent); transform: translateY(-3px); }
.skill-card.wide { grid-column: span 3; }
.skill-card h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  margin-bottom: 1rem;
}
.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.chips span {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  color: var(--text-muted);
}
.skill-card.wide .chips span { background: var(--bg); }

/* Timeline */
.timeline {
  position: relative;
  padding-left: 2rem;
  border-left: 2px solid var(--border);
}
.timeline-item {
  position: relative;
  padding-bottom: 3rem;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot {
  position: absolute;
  left: -2.42rem;
  top: 0.3rem;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}
.timeline-head {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: baseline;
}
.timeline-head h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
}
.timeline-date {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent);
  white-space: nowrap;
}
.timeline-company {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-top: 0.2rem;
  margin-bottom: 0.9rem;
}
.timeline-content ul { display: flex; flex-direction: column; gap: 0.55rem; }
.timeline-content li {
  position: relative;
  padding-left: 1.1rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}
.timeline-content li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.6em;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--accent);
}

/* Projects */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
}
.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.project-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
  border-color: var(--accent);
}
.project-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}
.project-index {
  font-family: var(--font-mono);
  color: var(--border);
  font-size: 1.6rem;
  font-weight: 600;
}
.project-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
}
.project-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin-bottom: 0.3rem;
}
.project-client {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.9rem;
}
.project-desc {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-bottom: 1rem;
}
.project-points {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.2rem;
  flex-grow: 1;
}
.project-points li {
  position: relative;
  padding-left: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.project-points li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.55em;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--accent);
}
.project-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.9rem;
}
.project-stack span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 0.25rem 0.55rem;
  border-radius: 6px;
}
.project-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  margin-top: auto;
}
.project-link svg { stroke: currentColor; fill: none; stroke-width: 2; transition: transform 0.2s ease; }
.project-link:hover svg { transform: translate(2px, -2px); }

/* Education */
.edu-card {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.8rem;
  max-width: 640px;
}
.edu-icon {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.edu-icon svg { fill: currentColor; }
.edu-card h3 { font-family: var(--font-display); font-size: 1.1rem; margin-bottom: 0.3rem; }
.edu-card p { color: var(--text-muted); font-size: 0.92rem; }

/* Contact */
.contact-desc { color: var(--text-muted); max-width: 500px; margin-bottom: 2.4rem; margin-top: -1.5rem; }
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
.contact-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.3rem 1.4rem;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.contact-card:hover { transform: translateY(-3px); border-color: var(--accent); }
.contact-card svg { fill: var(--accent); flex-shrink: 0; }
.contact-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.contact-value { font-weight: 600; font-size: 0.95rem; word-break: break-word; }

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 1.8rem 0;
}
.footer-inner {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ===================== Reveal animation ===================== */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  animation: reveal 0.7s ease forwards;
}
.reveal:nth-child(1) { animation-delay: 0.05s; }
.reveal:nth-child(2) { animation-delay: 0.15s; }
.reveal:nth-child(3) { animation-delay: 0.25s; }
.reveal:nth-child(4) { animation-delay: 0.35s; }
.reveal:nth-child(5) { animation-delay: 0.45s; }
.reveal:nth-child(6) { animation-delay: 0.55s; }
@keyframes reveal { to { opacity: 1; transform: translateY(0); } }

.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.in-view { opacity: 1; transform: translateY(0); }

/* ===================== Responsive ===================== */
@media (max-width: 860px) {
  .about-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
  .skill-card.wide { grid-column: span 2; }
  .projects-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  .nav-links {
    position: fixed;
    top: 68px; left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 1.5rem 24px;
    gap: 1.2rem;
    transform: translateY(-130%);
    transition: transform 0.3s ease;
  }
  .nav-links.open { transform: translateY(0); }
  .hamburger { display: flex; }
  .about-stats { grid-template-columns: repeat(3, 1fr); }
  .skills-grid { grid-template-columns: 1fr; }
  .skill-card.wide { grid-column: span 1; }
  .timeline { padding-left: 1.4rem; }
  .timeline-dot { left: -1.82rem; }
}