/* ===== Design tokens =====
   Color (nature / mountain theme):
   --bg:        #0E1F1E  deep dusk forest teal
   --surface:   #16302C  card base
   --surface-2: #1E3D37  card hover / elevated
   --line:      #2C4A42  hairline borders
   --text:      #EAF3EC  primary text (soft mist white)
   --text-dim:  #9FBBAE  secondary text (sage grey-green)
   --accent:    #6FBF8A  fresh forest green
   --accent-2:  #F2A65A  sunrise amber
   --mtn-far:   #2F5D56
   --mtn-mid:   #21453F
   --mtn-near:  #142C28
   Type:
   display  -> 'Space Grotesk'
   body     -> 'Inter'
   utility  -> 'IBM Plex Mono'
*/

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

:root {
  --bg: #0E1F1E;
  --surface: #16302C;
  --surface-2: #1E3D37;
  --line: #2C4A42;
  --text: #EAF3EC;
  --text-dim: #9FBBAE;
  --accent: #6FBF8A;
  --accent-2: #F2A65A;
  --mtn-far: #2F5D56;
  --mtn-mid: #21453F;
  --mtn-near: #142C28;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%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");
}

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

::selection { background: var(--accent); color: var(--bg); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ===== Nav ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 6vw;
  backdrop-filter: blur(10px);
  background: rgba(11, 15, 25, 0.6);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease;
}

.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
}
.nav-logo .dot { color: var(--accent-2); }

.nav-links { display: flex; gap: 28px; }
.nav-links a {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
  color: var(--text-dim);
  letter-spacing: 0.02em;
  transition: color 0.2s ease;
  position: relative;
}
.nav-links a:hover { color: var(--text); }
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -4px;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width 0.25s ease;
}
.nav-links a:hover::after { width: 100%; }

@media (max-width: 640px) {
  .nav-links { gap: 16px; }
  .nav-links a { font-size: 0.7rem; }
}

/* ===== Hero ===== */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  padding: 100px 6vw 60px;
  overflow: hidden;
  background: linear-gradient(180deg, #0A1817 0%, #0E1F1E 55%, #142C28 100%);
}

.sky {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.sun {
  position: absolute;
  top: 14%;
  left: 50%;
  transform: translateX(-50%);
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(242,166,90,0.55), rgba(242,166,90,0.08) 60%, transparent 72%);
  filter: blur(2px);
  animation: sunPulse 6s ease-in-out infinite;
}
@keyframes sunPulse {
  0%, 100% { opacity: 0.75; }
  50% { opacity: 1; }
}

.mist {
  position: absolute;
  bottom: 22%;
  left: 0;
  right: 0;
  height: 140px;
  background: linear-gradient(180deg, transparent, rgba(234,243,236,0.06));
  filter: blur(6px);
}

.mountains {
  position: absolute;
  left: 0;
  right: 0;
  width: 100%;
  height: 45%;
  z-index: 1;
}
.mountains path { fill: var(--mtn-far); }
.mountains-far { bottom: 18%; opacity: 0.55; }
.mountains-mid { bottom: 9%; }
.mountains-mid path { fill: var(--mtn-mid); }
.mountains-near { bottom: 0; }
.mountains-near path { fill: var(--mtn-near); }

.hero-inner { max-width: 900px; width: 100%; position: relative; z-index: 2; }

.eyebrow {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.8rem;
  color: var(--accent);
  margin-bottom: 32px;
  opacity: 0;
  animation: fadeUp 0.7s ease forwards 0.1s;
}

.hero-main {
  display: flex;
  align-items: center;
  gap: 48px;
  flex-wrap: wrap;
}

.avatar-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 0.25s;
}

.avatar {
  width: 148px;
  height: 148px;
  border-radius: 28px;
  background: linear-gradient(145deg, var(--surface-2), var(--surface));
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  box-shadow: 0 0 0 1px rgba(111,191,138,0.05), 0 20px 50px -20px rgba(111,191,138,0.35);
}
.avatar::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 28px;
  padding: 1px;
  background: linear-gradient(135deg, var(--accent), transparent 40%, var(--accent-2));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  animation: rotateGlow 6s linear infinite;
}
.avatar span {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 2.6rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 27px;
  display: block;
}

@keyframes rotateGlow {
  0% { filter: hue-rotate(0deg); }
  100% { filter: hue-rotate(360deg); }
}

.status-pill {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  color: var(--text-dim);
  border: 1px solid var(--line);
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--surface);
}

.hero-text {
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 0.4s;
}

.hero-text h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.tagline {
  margin-top: 18px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  color: var(--accent-2);
  font-style: italic;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.scroll-cue {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0.5;
}
.scroll-cue span {
  width: 1px;
  height: 28px;
  background: linear-gradient(var(--text-dim), transparent);
  animation: pulseDown 1.8s ease-in-out infinite;
}
.scroll-cue p {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
}
@keyframes pulseDown {
  0%, 100% { opacity: 0.3; transform: scaleY(0.8); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ===== Sections ===== */
.section {
  max-width: 900px;
  margin: 0 auto;
  padding: 90px 6vw;
  position: relative;
  z-index: 2;
}

.section-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 28px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.lead {
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: 18px;
}

.section-body p {
  color: var(--text-dim);
  max-width: 62ch;
  margin-bottom: 14px;
}
.section-body strong { color: var(--text); font-weight: 600; }

/* ===== Skills tag grid ===== */
.tag-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
@media (max-width: 860px) {
  .tag-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .tag-grid { grid-template-columns: 1fr; }
}

.nature-photo {
  margin-top: 24px;
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  aspect-ratio: 1 / 1;
  max-width: 480px;
  background: var(--surface);
}
.nature-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.nature-photo-caption {
  position: absolute;
  left: 16px;
  bottom: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
  color: var(--text);
  background: rgba(14,31,30,0.65);
  backdrop-filter: blur(6px);
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.08);
}
.nature-photo-caption .tag-icon {
  color: var(--accent-2);
  margin: 0;
}

.tag-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px 22px;
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}
.tag-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  background: var(--surface-2);
}
.tag-icon {
  display: inline-flex;
  font-family: 'IBM Plex Mono', monospace;
  color: var(--accent);
  font-size: 1.1rem;
  margin-bottom: 14px;
}
.tag-card h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  margin-bottom: 8px;
}
.tag-card p {
  color: var(--text-dim);
  font-size: 0.92rem;
}

/* ===== Version log (growth timeline) ===== */
.version-log {
  position: relative;
  padding-left: 28px;
  border-left: 1px solid var(--line);
}

.log-entry {
  position: relative;
  padding-bottom: 40px;
}
.log-entry:last-child { padding-bottom: 0; }

.log-entry::before {
  content: '';
  position: absolute;
  left: -33px;
  top: 4px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--text-dim);
  border: 2px solid var(--bg);
}
.log-entry.current::before {
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(111,191,138,0.18);
}
.log-entry.next::before {
  background: transparent;
  border: 1px dashed var(--text-dim);
}
.log-entry.next .log-content h3,
.log-entry.next .log-content p { color: var(--text-dim); font-style: italic; }

.version-tag {
  display: inline-block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  color: var(--accent-2);
  margin-bottom: 6px;
}
.log-content h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.05rem;
  margin-bottom: 6px;
}
.log-content p {
  color: var(--text-dim);
  font-size: 0.92rem;
  max-width: 55ch;
}

/* ===== Future card ===== */
.future-card {
  background: linear-gradient(160deg, var(--surface), var(--surface-2));
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 36px 32px;
  position: relative;
  overflow: hidden;
}
.future-card::after {
  content: '';
  position: absolute;
  top: -40%; right: -20%;
  width: 260px; height: 260px;
  background: radial-gradient(circle, rgba(242,166,90,0.18), transparent 70%);
  pointer-events: none;
}
.status-badge {
  display: inline-block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent-2);
  border: 1px solid rgba(242,166,90,0.4);
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.future-card h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.35rem;
  margin-bottom: 12px;
  max-width: 30ch;
}
.future-card p {
  color: var(--text-dim);
  max-width: 58ch;
}

/* ===== Contact ===== */
.contact-box p { color: var(--text-dim); margin-bottom: 22px; }
.contact-links { display: flex; flex-wrap: wrap; gap: 14px; }
.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.88rem;
  border: 1px solid var(--line);
  padding: 12px 18px;
  border-radius: 12px;
  background: var(--surface);
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}
.contact-link:hover {
  border-color: var(--accent);
  background: var(--surface-2);
  transform: translateY(-2px);
}
.contact-icon { color: var(--accent); }

/* ===== Footer ===== */
.footer {
  text-align: center;
  padding: 40px 6vw 50px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-dim);
  border-top: 1px solid var(--line);
}

/* ===== Scroll reveal ===== */
.section, .hero-main {
  will-change: transform, opacity;
}
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}