:root {
  --black:       #0a0a0a;
  --off-black:   #111111;
  --panel:       #161616;
  --border:      #252525;
  --border-soft: #1e1e1e;
  --muted:       #555555;
  --text-dim:    #888888;
  --text:        #c8c8c8;
  --text-bright: #f0f0f0;
  --white:       #ffffff;

  --accent:      #e8a020;
  --accent-dim:  rgba(232, 160, 32, 0.12);
  --accent-glow: rgba(232, 160, 32, 0.25);

  --nav-h:       72px;
  --section-gap: 140px;
  --radius:      12px;
  --radius-lg:   20px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:  cubic-bezier(0.7, 0, 0.84, 0);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--black);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea { font-family: inherit; }

/* TYPOGRAPHY */
h1, h2, h3, h4, .nav-logo, .footer-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  line-height: 1.1;
  color: var(--white);
}

/*  UTILITIES  */
.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 40px;
}

.section {
  padding: var(--section-gap) 0;
}

.section-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
}

.section-title {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  color: var(--white);
  margin-bottom: 1rem;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--text-dim);
  max-width: 540px;
  margin-bottom: 3.5rem;
  font-weight: 300;
}

/*  BUTTONS  */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent);
  color: var(--black);
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.85rem 2rem;
  border-radius: var(--radius);
  transition: opacity 0.2s, transform 0.2s var(--ease-out), box-shadow 0.3s;
  letter-spacing: 0.3px;
}

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 12px 32px var(--accent-glow);
  color: var(--black);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--border);
  color: var(--text);
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.85rem 2rem;
  border-radius: var(--radius);
  transition: border-color 0.2s, color 0.2s, transform 0.2s var(--ease-out);
}

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

.btn-full { width: 100%; justify-content: center; }

/*  NAV  */
#nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-h);
  border-bottom: 1px solid transparent;
  transition: background 0.4s, border-color 0.4s, backdrop-filter 0.4s;
}

#nav.scrolled {
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: var(--border);
}

.nav-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 40px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 3rem;
}

.nav-logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
  margin-right: auto;
}

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

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

.nav-links a {
  font-family: 'DM Mono', monospace;
  font-size: 0.82rem;
  color: var(--text-dim);
  letter-spacing: 0.5px;
  transition: color 0.2s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 0.3s var(--ease-out);
}

.nav-links a:hover,
.nav-links a.active { color: var(--white); }

.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

.nav-cta {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 0.5rem 1.2rem;
  border-radius: 8px;
  transition: background 0.2s, color 0.2s;
}

.nav-cta:hover {
  background: var(--accent);
  color: var(--black);
}

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}

.burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.35s var(--ease-out);
  transform-origin: center;
}

/*  MOBILE OVERLAY  */
.mobile-overlay {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: var(--off-black);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s var(--ease-out);
}

.mobile-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.mobile-overlay ul {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2.5rem;
}

.mobile-overlay a {
  font-family: 'Syne', sans-serif;
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-dim);
  transition: color 0.2s;
}

.mobile-overlay a:hover { color: var(--accent); }

/* SCROLL REVEAl */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  animation: fadeUp 0.9s var(--ease-out) both;
  animation-delay: var(--d, 0ms);
}

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/*  HERO */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--nav-h) + 60px) 0 80px;
  position: relative;
  overflow: hidden;
}

/* Subtle grid background */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-soft) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.35;
  pointer-events: none;
}

/* Top fade mask on grid */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 60% 40%, rgba(232,160,32,0.07) 0%, transparent 65%);
  pointer-events: none;
}

.hero-grid {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-tag {
  font-family: 'DM Mono', monospace;
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 2px;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.hero-tag::before {
  content: '';
  width: 28px;
  height: 1px;
  background: var(--accent);
}

.hero h1 {
  font-size: clamp(4rem, 9vw, 7.5rem);
  letter-spacing: -2px;
  line-height: 0.95;
  margin: 1rem 0 0.6rem;
}

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

.hero-role {
  font-family: 'DM Mono', monospace;
  font-size: 1rem;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
  letter-spacing: 0.5px;
}

.hero-bio {
  font-size: 1.1rem;
  color: var(--text);
  max-width: 480px;
  font-weight: 300;
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.hero-meta {
  display: flex;
  gap: 1.8rem;
  font-size: 0.88rem;
  color: var(--text-dim);
  flex-wrap: wrap;
}

.hero-meta i { color: var(--accent); margin-right: 0.4rem; }

/* Photo frame */
.hero-photo { position: relative; }

.photo-frame {
  width: 100%;
  aspect-ratio: 3/4;
  max-height: 480px;
  border-radius: var(--radius-lg);
  background: var(--panel);
  border: 1px solid var(--border);
  overflow: hidden;
  position: relative;
}

.photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
  transition: opacity 0.4s;
}

/* When img fails to load */
.photo-frame.no-photo img { opacity: 0; }
.photo-frame.no-photo .photo-placeholder { opacity: 1; }

.photo-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  opacity: 0;
  transition: opacity 0.3s;
}

/* Show placeholder by default until image loads */
.photo-frame:not(.no-photo) .photo-placeholder { display: none; }

.photo-placeholder i {
  font-size: 3.5rem;
  color: var(--border);
}

.photo-placeholder span {
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem;
  color: var(--muted);
  text-align: center;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.photo-badge {
  position: absolute;
  bottom: -18px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 0.55rem 1.4rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: 'DM Mono', monospace;
  font-size: 0.8rem;
  color: var(--text);
  white-space: nowrap;
}

.photo-badge i { color: var(--accent); }

/* scroll cue */
.scroll-cue {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 1;
}

.scroll-cue span {
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--muted), transparent);
  animation: scrollBob 2.5s ease-in-out infinite;
}

@keyframes scrollBob {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.15); }
}

/*  ABOUT  */
.about { background: var(--off-black); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 80px;
  align-items: start;
}

.about-text p {
  margin-bottom: 1.2rem;
  font-size: 1.05rem;
  color: var(--text);
  font-weight: 300;
  line-height: 1.8;
}

.about-stats {
  display: flex;
  gap: 2.5rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}

.stat strong {
  display: block;
  font-family: 'Syne', sans-serif;
  font-size: 2.4rem;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.3rem;
}

.stat span {
  font-size: 0.8rem;
  color: var(--text-dim);
  font-family: 'DM Mono', monospace;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.about-details {
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
}

.detail-block {
  padding: 1.4rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.detail-block h4 {
  font-size: 0.72rem;
  font-family: 'DM Mono', monospace;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 0.6rem;
}

.detail-block p {
  font-size: 0.95rem;
  color: var(--text);
  line-height: 1.6;
}

.detail-block em {
  color: var(--text-dim);
  font-style: normal;
  font-size: 0.88rem;
}

.detail-block ul { display: flex; flex-direction: column; gap: 0.35rem; }

.detail-block li {
  font-size: 0.9rem;
  color: var(--text);
  padding-left: 1rem;
  position: relative;
}

.detail-block li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.75rem;
}

/* SKILLS  */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.skill-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: border-color 0.3s, transform 0.3s var(--ease-out);
}

.skill-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.skill-card-header {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-bottom: 1.6rem;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--border);
}

.skill-card-header i {
  font-size: 1.4rem;
  color: var(--accent);
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
  border-radius: 10px;
  flex-shrink: 0;
}

.skill-card-header h3 {
  font-size: 1.05rem;
  color: var(--white);
}

.skill-list {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.skill-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--text-dim);
}

.tag {
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 3px 8px;
  border-radius: 5px;
  white-space: nowrap;
  flex-shrink: 0;
}

/*  PROJECTS  */
.projects { background: var(--off-black); }

.projects-grid {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.project-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 2rem;
  transition: border-color 0.3s, transform 0.35s var(--ease-out), box-shadow 0.35s;
}

.project-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.project-card.featured {
  border-color: var(--border);
  position: relative;
}

.project-card.featured::before {
  content: 'Featured';
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-family: 'DM Mono', monospace;
  font-size: 0.68rem;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 3px 10px;
  border-radius: 50px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.project-number {
  font-family: 'Syne', sans-serif;
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--border);
  line-height: 1;
  padding-top: 4px;
}

.project-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.project-type {
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.project-links a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-dim);
  font-size: 1rem;
  transition: border-color 0.2s, color 0.2s;
}

.project-links a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.project-body h3 {
  font-size: 1.55rem;
  color: var(--white);
  margin-bottom: 0.8rem;
}

.project-body p {
  font-size: 0.97rem;
  color: var(--text-dim);
  line-height: 1.75;
  font-weight: 300;
  margin-bottom: 1.4rem;
}

.project-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.4rem;
}

.project-stack span {
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  color: var(--text-dim);
  border: 1px solid var(--border);
  padding: 3px 10px;
  border-radius: 5px;
}

.project-highlights {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.project-highlights div {
  font-size: 0.88rem;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.project-highlights i {
  color: var(--accent);
  font-size: 0.75rem;
}

/*  CONTACT  */
.contact-grid {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 60px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

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

.contact-item > i {
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  background: var(--accent-dim);
  color: var(--accent);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  margin-top: 2px;
}

.contact-item div {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.contact-item strong {
  font-size: 0.75rem;
  font-family: 'DM Mono', monospace;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.contact-item a,
.contact-item span {
  font-size: 0.95rem;
  color: var(--text);
  transition: color 0.2s;
}

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

/* Contact Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
}

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

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

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

.form-group input.error,
.form-group textarea.error {
  border-color: #ef4444;
}

.field-error {
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  color: #ef4444;
  min-height: 1em;
}

.form-status {
  font-size: 0.9rem;
  text-align: center;
  padding: 0.75rem;
  border-radius: var(--radius);
  display: none;
}

.form-status.success {
  display: block;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #10b981;
}

.form-status.error {
  display: block;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #ef4444;
}

/*  FOOTER  */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-logo { font-size: 1.2rem; font-weight: 800; }
.footer-logo span { color: var(--accent); }

footer p {
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem;
  color: var(--muted);
}

.footer-links {
  display: flex;
  gap: 1rem;
}

.footer-links a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-dim);
  font-size: 0.95rem;
  transition: border-color 0.2s, color 0.2s;
}

.footer-links a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/*  BACK TO TOP  */
#back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  font-size: 0.9rem;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: all 0.3s var(--ease-out);
  z-index: 900;
}

#back-to-top.visible {
  opacity: 1;
  pointer-events: all;
  transform: none;
}

#back-to-top:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/*  RESPONSIVE  */
@media (max-width: 900px) {
  :root { --section-gap: 100px; }

  .nav-links, .nav-cta { display: none; }
  .burger { display: flex; }

  .hero-grid {
    grid-template-columns: 1fr;
    text-align: left;
    gap: 50px;
  }

  .hero-photo {
    order: -1;
    max-width: 280px;
    margin: 0 auto;
  }

  .photo-frame { max-height: 340px; }

  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .skills-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }

  .project-card {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .project-number { font-size: 2rem; }
}

@media (max-width: 640px) {
  .container { padding: 0 20px; }

  .hero-grid { padding: 0 20px; }

  .form-row { grid-template-columns: 1fr; }

  .about-stats { gap: 1.5rem; }

  .footer-inner { flex-direction: column; text-align: center; }

  .project-card.featured::before { display: none; }

  #back-to-top { bottom: 20px; right: 20px; }
}

/*  BURGER ACTIVE STATE  */
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }