/* ============================================
   TOKENS
   ============================================ */
:root {
  --bg: #0a0a0a;
  --bg-soft: #111111;
  --bg-card: #141414;
  --border: #222222;
  --border-soft: #1a1a1a;

  --text: #f0ece4;
  --text-muted: #6b6560;
  --text-soft: #a09990;

  --accent: #c9a84c;
  --accent-dim: #8a6e2a;
  --accent-glow: rgba(201, 168, 76, 0.12);

  --font-display: "DM Serif Display", Georgia, serif;
  --font-body: "Syne", system-ui, sans-serif;

  --radius: 4px;
  --radius-lg: 8px;

  --nav-h: 64px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ============================================
   RESET & BASE
   ============================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}
img {
  display: block;
  max-width: 100%;
}
button {
  cursor: pointer;
  font-family: var(--font-body);
}

/* ============================================
   NOISE OVERLAY
   ============================================ */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 999;
  opacity: 0.4;
}

/* ============================================
   NAV
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1.5rem, 5vw, 4rem);
  z-index: 100;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}

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

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  letter-spacing: -0.02em;
  color: var(--text);
}

.nav-logo-dot {
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 2.5rem;
}

.nav-links a {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.2s;
  position: relative;
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 0.25s var(--ease-out);
}

.nav-links a:hover {
  color: var(--text);
}
.nav-links a:hover::after {
  width: 100%;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-linkedin {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius);
  transition: border-color 0.2s, color 0.2s;
}

.nav-linkedin:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.nav-linkedin svg {
  flex-shrink: 0;
}

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  background: none;
  border: 1px solid var(--border);
  color: var(--text-soft);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius);
  transition:
    border-color 0.2s,
    color 0.2s;
}

.lang-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.lang-active {
  color: var(--accent);
}
.lang-sep {
  color: var(--border);
}

/* Hamburger */
.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 4px;
  cursor: pointer;
}

.nav-burger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text-soft);
  transition: all 0.3s var(--ease-out);
}

.nav-burger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }


/* Hero */
.hero {
  min-height: 100svh;
  padding: calc(var(--nav-h) + 5rem) clamp(1.5rem, 5vw, 4rem) 5rem;
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: 1fr auto;
  align-items: end;
  position: relative;
  overflow: hidden;
}

/* giant background text */
.hero-bg-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-40%, -50%);
  font-family: var(--font-display);
  font-size: clamp(12rem, 28vw, 24rem);
  font-style: italic;
  color: transparent;
  -webkit-text-stroke: 1px rgba(201, 168, 76, 0.06);
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
  z-index: 0;
}

.hero-content {
  grid-column: 1;
  grid-row: 1;
  position: relative;
  z-index: 1;
  max-width: 780px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2rem;
  opacity: 0;
  animation: fadeUp 0.6s var(--ease-out) 0.1s forwards;
}

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(0.8);
  }
}

.hero-title {
  display: flex;
  flex-direction: column;
  font-family: var(--font-display);
  font-size: clamp(4.5rem, 11vw, 10rem);
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 2rem;
}

.hero-title-line {
  opacity: 0;
  animation: fadeUp 0.7s var(--ease-out) forwards;
}
.hero-title-line:nth-child(1) {
  animation-delay: 0.2s;
}
.hero-title-line:nth-child(2) {
  animation-delay: 0.35s;
}
.hero-title-line.italic {
  font-style: italic;
  color: var(--accent);
}

.hero-subtitle-row {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeUp 0.6s var(--ease-out) 0.5s forwards;
}

.hero-line {
  width: 48px;
  height: 1px;
  background: var(--accent);
  flex-shrink: 0;
}

.hero-subtitle {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.hero-desc {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: var(--text-soft);
  max-width: 520px;
  margin-bottom: 3rem;
  opacity: 0;
  animation: fadeUp 0.6s var(--ease-out) 0.6s forwards;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.6s var(--ease-out) 0.75s forwards;
}

/* Stats */
.hero-aside {
  grid-column: 2;
  grid-row: 1;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  align-self: center;
  padding-left: 4rem;
  border-left: 1px solid var(--border);
  opacity: 0;
  animation: fadeUp 0.7s var(--ease-out) 0.9s forwards;
}

.hero-stat {
  display: flex;
  flex-direction: column;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 3rem;
  line-height: 1;
  color: var(--text);
  letter-spacing: -0.04em;
}

.stat-plus {
  font-size: 1.5rem;
  color: var(--accent);
  vertical-align: super;
}

.stat-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 0.3rem;
}

/* Scroll indicator */

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  background: var(--accent);
  color: #0a0a0a;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.9rem 2rem;
  border-radius: var(--radius);
  border: none;
  transition:
    background 0.2s,
    transform 0.15s,
    box-shadow 0.2s;
}

.btn-primary:hover {
  background: #e0bc62;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201, 168, 76, 0.25);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  background: transparent;
  color: var(--text-soft);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.9rem 2rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition:
    border-color 0.2s,
    color 0.2s,
    transform 0.15s;
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

/* Sections */
.section {
  padding: clamp(5rem, 10vw, 9rem) clamp(1.5rem, 5vw, 4rem);
  position: relative;
}

.section-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2.5rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 5.5rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 3.5rem;
}

/* About */
.about {
  border-top: 1px solid var(--border-soft);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 6vw, 7rem);
  align-items: start;
}

.about-left .section-title {
  margin-bottom: 0;
}

.about-text {
  color: var(--text-soft);
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
  max-width: 520px;
}

.about-links {
  display: flex;
  gap: 2rem;
  margin-top: 2.5rem;
}

.about-link {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  transition: opacity 0.2s;
}

.about-link:hover {
  opacity: 0.7;
}

/* Projects */
.projects {
  border-top: 1px solid var(--border-soft);
}

.project-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 4vw, 3.5rem);
  margin-bottom: 1.5rem;
  background: var(--bg-card);
  position: relative;
  overflow: hidden;
  transition:
    border-color 0.3s,
    transform 0.3s;
}

.project-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.project-card:hover {
  border-color: var(--accent-dim);
  transform: translateY(-3px);
}

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

.project-card.featured {
  border-color: var(--accent-dim);
  background: linear-gradient(
    135deg,
    var(--bg-card) 0%,
    rgba(201, 168, 76, 0.03) 100%
  );
}

.project-card.featured::before {
  opacity: 0.6;
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.project-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.project-num {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-style: italic;
  color: var(--accent);
  opacity: 0.7;
}

.project-tag {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius);
}

.project-links {
  display: flex;
  gap: 1.5rem;
}

.project-link {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  transition: opacity 0.2s;
}

.project-link:hover {
  opacity: 0.6;
}

.project-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 1.2rem;
}

.project-desc {
  color: var(--text-soft);
  font-size: 1rem;
  max-width: 680px;
  margin-bottom: 2rem;
  line-height: 1.75;
}

.project-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.project-stack span {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius);
  transition:
    border-color 0.2s,
    color 0.2s;
}

.project-stack span:hover {
  border-color: var(--accent-dim);
  color: var(--accent);
}

.project-repos {
  display: flex;
  gap: 1.5rem;
}

.repo-link {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  padding-bottom: 2px;
  transition:
    color 0.2s,
    border-color 0.2s;
}

.repo-link:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* Stack */
.stack {
  border-top: 1px solid var(--border-soft);
}

.stack-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--border);
}

.stack-group {
  background: var(--bg-card);
  padding: clamp(1.8rem, 3vw, 2.8rem);
}

.stack-group-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.8rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.stack-items {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.stack-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-soft);
  transition:
    color 0.2s,
    transform 0.2s;
  cursor: default;
}

.stack-item:hover {
  color: var(--text);
  transform: translateX(4px);
}

.stack-icon {
  font-size: 1rem;
  flex-shrink: 0;
}

.stack-icon-img {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  opacity: 0.6;
  transition: opacity 0.2s;
  filter: brightness(0) invert(1);
}

.stack-item:hover .stack-icon-img {
  opacity: 1;
}

/* Contact */
.contact {
  border-top: 1px solid var(--border-soft);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 6vw, 7rem);
  align-items: start;
}

.contact-left .section-title {
  margin-bottom: 1.5rem;
}

.contact-desc {
  color: var(--text-soft);
  font-size: 1.05rem;
  margin-bottom: 2.5rem;
  max-width: 400px;
}

.contact-direct {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.contact-email {
  font-size: 0.9rem;
  color: var(--accent);
  font-weight: 600;
  transition: opacity 0.2s;
}

.contact-email:hover {
  opacity: 0.7;
}

.contact-social {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.2s;
}

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

/* Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.form-group input,
.form-group textarea {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 0.85rem 1rem;
  transition:
    border-color 0.2s,
    box-shadow 0.2s;
  resize: vertical;
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-submit {
  align-self: flex-start;
}

.form-success {
  font-size: 0.85rem;
  font-weight: 600;
  color: #4ade80;
  padding: 0.75rem 1rem;
  border: 1px solid rgba(74, 222, 128, 0.2);
  border-radius: var(--radius);
  background: rgba(74, 222, 128, 0.05);
}

.form-error {
  font-size: 0.85rem;
  font-weight: 600;
  color: #f87171;
  padding: 0.75rem 1rem;
  border: 1px solid rgba(248, 113, 113, 0.2);
  border-radius: var(--radius);
  background: rgba(248, 113, 113, 0.05);
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem clamp(1.5rem, 5vw, 4rem);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.footer-top {
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: opacity 0.2s;
}

.footer-top:hover {
  opacity: 0.7;
}

/* Animations */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition:
    opacity 0.7s var(--ease-out),
    transform 0.7s var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    align-items: start;
    padding-top: calc(var(--nav-h) + 3rem);
  }

  .hero-aside {
    grid-column: 1;
    grid-row: 2;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 2rem;
    padding-left: 0;
    border-left: none;
    border-top: 1px solid var(--border);
    padding-top: 2.5rem;
    margin-top: 3rem;
  }

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

  .nav-links {
    display: none;
  }

  .hero-title {
    font-size: clamp(3.5rem, 15vw, 6rem);
  }

  .nav-burger { display: flex; }

  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: rgba(10,10,10,0.97);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: center;
    gap: 0;
    padding: 1rem 0;
    z-index: 99;
  }

  .nav-links.open { display: flex; }

  .nav-links a {
    padding: 1rem 2rem;
    width: 100%;
    text-align: center;
    font-size: 0.85rem;
  }

  .nav-linkedin span {
    display: none;
  }
}

@media (max-width: 600px) {
  .project-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  .hero-ctas {
    flex-direction: column;
  }
  .btn-primary,
  .btn-ghost {
    text-align: center;
    justify-content: center;
  }
  .footer {
    flex-direction: column;
    text-align: center;
  }
}