/* =========================================================
   Bikash Thapa — Portfolio
   Design system: dark navy/charcoal + electric cyan accent
   ========================================================= */

:root{
  --bg-deep:#05070d;
  --bg-surface:#0a0e1a;
  --bg-elevated:#0e1424;
  --glass-bg:rgba(255,255,255,0.035);
  --glass-border:rgba(255,255,255,0.09);
  --glass-border-hi:rgba(94,234,255,0.35);

  --text-primary:#e8edf7;
  --text-secondary:#8b96ab;
  --text-tertiary:#5b6478;

  --accent:#22d3ee;
  --accent-2:#6366f1;
  --accent-soft:rgba(34,211,238,0.12);
  --accent-grad:linear-gradient(120deg,#22d3ee 0%,#6366f1 100%);

  --success:#34d399;
  --warning:#fbbf24;

  --font-display:'Space Grotesk', 'Noto Sans JP', sans-serif;
  --font-body:'Inter', 'Noto Sans JP', sans-serif;
  --font-mono:'JetBrains Mono', monospace;

  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:24px;

  --ease:cubic-bezier(.16,.84,.44,1);
  --nav-h:76px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; }
}

body{
  margin:0;
  background:var(--bg-deep);
  color:var(--text-primary);
  font-family:var(--font-body);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

[lang-jp-only]{ display:none; }
html[data-lang="jp"] [lang-jp-only]{ display:inline; }
html[data-lang="jp"] [lang-en-only]{ display:none; }

::selection{ background:var(--accent); color:#001014; }

a{ color:inherit; text-decoration:none; }
h1,h2,h3{ font-family:var(--font-display); margin:0; letter-spacing:-0.02em; }
p{ margin:0; }
button{ font-family:inherit; cursor:pointer; background:none; border:none; color:inherit; }
img{ max-width:100%; display:block; }

.container{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding:0 24px;
}

.section{ padding:140px 0; position:relative; }
.section-alt{ background:linear-gradient(180deg, transparent, rgba(255,255,255,0.015) 15%, rgba(255,255,255,0.015) 85%, transparent); }

.section-tag{
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:0.12em;
  color:var(--accent);
  margin-bottom:16px;
  display:flex; align-items:center; gap:8px;
}
.section-tag.center{ justify-content:center; }

.section-title{
  font-size:clamp(28px,4vw,42px);
  font-weight:600;
  margin-bottom:56px;
  max-width:640px;
}
.section-title.center{ margin-left:auto; margin-right:auto; text-align:center; }

/* ---------- Loading screen ---------- */
#loader{
  position:fixed; inset:0; z-index:9999;
  background:var(--bg-deep);
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  gap:24px;
  transition:opacity .6s var(--ease), visibility .6s var(--ease);
}
#loader.hidden{ opacity:0; visibility:hidden; pointer-events:none; }
.loader-mark{ animation:loaderPulse 1.6s ease-in-out infinite; }
.loader-frame{ stroke:var(--accent); stroke-width:2; fill:none; opacity:.5; }
.loader-glyph{ stroke:var(--accent); stroke-width:3; fill:none; stroke-linecap:round; }
@keyframes loaderPulse{ 0%,100%{ transform:scale(1); opacity:1; } 50%{ transform:scale(1.08); opacity:.75; } }
.loader-bar{ width:160px; height:2px; background:rgba(255,255,255,0.1); border-radius:2px; overflow:hidden; }
.loader-bar span{ display:block; height:100%; width:40%; background:var(--accent-grad); animation:loaderSlide 1.1s ease-in-out infinite; }
@keyframes loaderSlide{ 0%{ transform:translateX(-100%); } 100%{ transform:translateX(350%); } }

/* ---------- Custom cursor ---------- */
.cursor-glow{
  position:fixed; top:0; left:0; width:340px; height:340px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(34,211,238,0.10) 0%, rgba(34,211,238,0) 70%);
  pointer-events:none; z-index:5;
  transform:translate(-50%,-50%);
  will-change:transform;
  transition:opacity .3s ease;
}
@media (hover:none), (pointer:coarse){ .cursor-glow{ display:none; } }

/* ---------- Nav ---------- */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:1000;
  height:var(--nav-h);
  display:flex; align-items:center;
  transition:height .35s var(--ease), border-color .35s var(--ease);
  border-bottom:1px solid transparent;
}
/* Blur layer lives on a pseudo-element (not on .nav itself) so .nav never gets a
   computed `filter`/`backdrop-filter` value — that would make it a new containing
   block for its position:fixed mobile-menu descendant and collapse that overlay
   to the header's own (tiny) height instead of the viewport. */
.nav::before{
  content:''; position:absolute; inset:0; z-index:-1;
  background:transparent;
  transition:background .35s var(--ease), backdrop-filter .35s var(--ease);
}
.nav.scrolled{ height:64px; border-bottom-color:var(--glass-border); }
.nav.scrolled::before, .nav.menu-open::before{
  background:rgba(6,9,18,0.72);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
}
.nav.menu-open{ border-bottom-color:var(--glass-border); }
.nav-inner{
  width:100%; max-width:1180px; margin:0 auto; padding:0 24px;
  display:flex; align-items:center; justify-content:space-between;
}
.nav-logo{ font-family:var(--font-display); font-weight:700; font-size:20px; }
.nav-logo span{ color:var(--accent); }
.nav-links{ display:flex; gap:32px; }
.nav-links a{
  font-size:14px; color:var(--text-secondary); font-weight:500;
  position:relative; padding:4px 0; transition:color .25s ease;
}
.nav-links a::after{
  content:''; position:absolute; left:0; bottom:-2px; width:0; height:1px;
  background:var(--accent); transition:width .3s var(--ease);
}
.nav-links a:hover{ color:var(--text-primary); }
.nav-links a:hover::after{ width:100%; }

.nav-actions{ display:flex; align-items:center; gap:18px; }
.lang-toggle{
  font-family:var(--font-mono); font-size:12px; letter-spacing:.02em;
  display:flex; align-items:center; gap:6px;
  color:var(--text-secondary);
  border:1px solid var(--glass-border); border-radius:20px;
  padding:7px 14px;
  transition:border-color .25s ease, color .25s ease;
}
.lang-toggle:hover{ border-color:var(--glass-border-hi); color:var(--text-primary); }
.lang-toggle .lang-en,.lang-toggle .lang-jp{ transition:color .25s ease; }
.lang-toggle .active{ color:var(--accent); }
.lang-sep{ opacity:.4; }

.nav-burger{ display:none; flex-direction:column; gap:5px; width:26px; }
.nav-burger span{ height:2px; width:100%; background:var(--text-primary); border-radius:2px; transition:transform .3s ease, opacity .3s ease; }
.nav-burger.open span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2){ opacity:0; }
.nav-burger.open span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero{
  position:relative;
  min-height:100vh;
  display:flex; align-items:center;
  overflow:hidden;
}
#hero-canvas{ position:absolute; inset:0; width:100%; height:100%; z-index:0; }
.hero-vignette{
  position:absolute; inset:0; z-index:1; pointer-events:none;
  background:radial-gradient(ellipse at 50% 40%, transparent 0%, var(--bg-deep) 78%),
             linear-gradient(180deg, rgba(5,7,13,0.2) 0%, var(--bg-deep) 100%);
}
.hero-content{ position:relative; z-index:2; padding-top:var(--nav-h); }

.eyebrow{
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--font-mono); font-size:13px; color:var(--text-secondary);
  border:1px solid var(--glass-border); background:var(--glass-bg);
  padding:8px 16px; border-radius:100px; margin-bottom:28px;
}
.dot-pulse{ width:7px; height:7px; border-radius:50%; background:var(--success); box-shadow:0 0 0 0 rgba(52,211,153,.6); animation:dotPulse 2s infinite; }
@keyframes dotPulse{ 0%{ box-shadow:0 0 0 0 rgba(52,211,153,.5);} 70%{ box-shadow:0 0 0 8px rgba(52,211,153,0);} 100%{ box-shadow:0 0 0 0 rgba(52,211,153,0);} }

.hero-name{
  font-size:clamp(44px, 9vw, 108px);
  font-weight:700;
  line-height:0.95;
  background:linear-gradient(180deg,#ffffff 0%, #b9c4d6 100%);
  -webkit-background-clip:text; background-clip:text; color:transparent;
  margin-bottom:20px;
}
.hero-type{
  font-family:var(--font-mono); font-size:clamp(16px,2.4vw,22px);
  color:var(--accent); margin-bottom:26px; min-height:1.4em;
  display:flex; align-items:center; gap:10px;
}
.type-prefix{ color:var(--text-tertiary); }
.type-cursor{ animation:blink 1s step-end infinite; color:var(--accent); }
@keyframes blink{ 50%{ opacity:0; } }

.hero-pitch{
  font-size:clamp(15px,1.6vw,18px);
  color:var(--text-secondary);
  max-width:620px;
  margin-bottom:40px;
}
html[data-lang="jp"] .hero-pitch{ font-family:var(--font-body),'Noto Sans JP',sans-serif; }

.hero-cta{ display:flex; gap:16px; flex-wrap:wrap; }

.btn{
  display:inline-flex; align-items:center; gap:10px;
  padding:15px 28px; border-radius:100px;
  font-size:14.5px; font-weight:600;
  transition:transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s ease, background .3s ease;
}
.btn-primary{
  background:var(--accent-grad); color:#04121a;
  box-shadow:0 8px 24px -8px rgba(34,211,238,0.5);
}
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 12px 32px -8px rgba(34,211,238,0.65); }
.btn-ghost{
  border:1px solid var(--glass-border); color:var(--text-primary); background:var(--glass-bg);
}
.btn-ghost:hover{ border-color:var(--glass-border-hi); transform:translateY(-2px); }

.scroll-indicator{
  position:absolute; bottom:36px; left:50%; transform:translateX(-50%);
  z-index:2; display:flex; flex-direction:column; align-items:center; gap:10px;
  font-family:var(--font-mono); font-size:11px; letter-spacing:.15em; color:var(--text-tertiary);
  text-transform:uppercase;
}
.scroll-line{ width:1px; height:36px; background:linear-gradient(180deg, var(--accent), transparent); position:relative; overflow:hidden; }
.scroll-line::after{
  content:''; position:absolute; top:-100%; left:0; width:100%; height:100%;
  background:var(--accent); animation:scrollDrip 1.8s ease-in-out infinite;
}
@keyframes scrollDrip{ 0%{ top:-100%; } 100%{ top:100%; } }

/* ---------- Reveal animations (fallback / base state) ---------- */
.reveal-up,.reveal-left,.reveal-right{ opacity:0; }
.reveal-up{ transform:translateY(28px); }
.reveal-left{ transform:translateX(-32px); }
.reveal-right{ transform:translateX(32px); }
.reveal-up.in,.reveal-left.in,.reveal-right.in{
  opacity:1; transform:none;
  transition:opacity .8s var(--ease), transform .8s var(--ease);
}
/* Hero entrance is pure CSS and never starts at opacity 0. It used to wait for the Three.js/GSAP CDN
   scripts + main.js to add `.in`, which held the hero text (the LCP element) invisible for seconds on
   slow connections. Now the text is paintable in the first frame and only slides up. */
@keyframes heroRise{
  from{ transform:translateY(28px); }
  to{ transform:none; }
}
.hero-content .reveal-up{ opacity:1; animation:heroRise .8s var(--ease) both; }
.hero-content .reveal-up:nth-child(1){ animation-delay:.05s; }
.hero-content .reveal-up:nth-child(2){ animation-delay:.15s; }
.hero-content .reveal-up:nth-child(3){ animation-delay:.25s; }
.hero-content .reveal-up:nth-child(4){ animation-delay:.35s; }
.hero-content .reveal-up:nth-child(5){ animation-delay:.45s; }
.hero-content .reveal-up:nth-child(1){ transition-delay:.05s; }
.hero-content .reveal-up:nth-child(2){ transition-delay:.15s; }
.hero-content .reveal-up:nth-child(3){ transition-delay:.25s; }
.hero-content .reveal-up:nth-child(4){ transition-delay:.35s; }
.hero-content .reveal-up:nth-child(5){ transition-delay:.45s; }

/* ---------- Glass card base ---------- */
.tilt-card{
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-lg);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:border-color .3s ease, box-shadow .3s ease;
  transform-style:preserve-3d;
  will-change:transform;
}
.tilt-card:hover{ border-color:var(--glass-border-hi); box-shadow:0 20px 60px -20px rgba(34,211,238,0.25); }

/* ---------- About ---------- */
.about-grid{
  display:grid; grid-template-columns:0.85fr 1.15fr; gap:80px; align-items:center;
}
.about-visual{ display:flex; justify-content:center; }
.profile-card{
  position:relative; width:100%; max-width:340px; aspect-ratio:1/1.05;
  padding:14px; overflow:hidden;
}
.profile-glow{
  position:absolute; inset:-40%; z-index:0;
  background:conic-gradient(from 0deg, var(--accent), var(--accent-2), transparent 40%, var(--accent));
  opacity:.15; animation:spin 8s linear infinite;
}
@keyframes spin{ to{ transform:rotate(360deg); } }
.profile-img{
  position:relative; z-index:1; width:100%; height:100%; object-fit:cover; border-radius:var(--radius-md);
}
.profile-badge{
  position:absolute; z-index:2; left:28px; bottom:28px;
  display:flex; align-items:center; gap:8px;
  background:rgba(6,9,18,0.75); backdrop-filter:blur(8px);
  border:1px solid var(--glass-border); border-radius:100px;
  padding:8px 14px; font-size:12.5px; font-weight:500;
}
.badge-dot{ width:7px; height:7px; border-radius:50%; background:var(--success); }

.about-text{ color:var(--text-secondary); margin-bottom:40px; font-size:15.5px; }

.stats-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:16px; margin-bottom:32px; }
.stat-card{
  background:var(--glass-bg); border:1px solid var(--glass-border); border-radius:var(--radius-md);
  padding:20px 14px; text-align:center; transition:border-color .3s ease, transform .3s ease;
}
.stat-card:hover{ border-color:var(--glass-border-hi); transform:translateY(-3px); }
.stat-num{ font-family:var(--font-display); font-size:30px; font-weight:700; color:var(--accent); }
.stat-suffix{ font-family:var(--font-display); font-size:22px; font-weight:700; color:var(--accent); }
.stat-card p{ margin-top:6px; font-size:12.5px; color:var(--text-secondary); }

.lang-pills{ display:flex; gap:10px; flex-wrap:wrap; }
.pill{
  font-size:13px; font-family:var(--font-mono); color:var(--text-secondary);
  border:1px solid var(--glass-border); border-radius:100px; padding:8px 16px;
}

/* ---------- Skills ---------- */
.skills-grid{ display:grid; grid-template-columns:1fr 1fr; gap:60px; }
.skill-category h3{
  font-size:14px; color:var(--accent); font-family:var(--font-mono);
  letter-spacing:.06em; text-transform:uppercase; margin-bottom:24px;
}
.skill-category h3.cat-spacer{ margin-top:40px; }
.skill-row{ margin-bottom:20px; cursor:default; }
.skill-head{ display:flex; justify-content:space-between; font-size:14.5px; margin-bottom:8px; }
.skill-head span:first-child{ font-weight:500; }
.skill-pct{ font-family:var(--font-mono); color:var(--text-tertiary); font-size:13px; }
.skill-track{ height:6px; border-radius:6px; background:rgba(255,255,255,0.06); overflow:hidden; }
.skill-fill{
  height:100%; width:0%; border-radius:6px;
  background:var(--accent-grad);
  transition:width 1.1s var(--ease);
  box-shadow:0 0 12px rgba(34,211,238,0.5);
}
.skill-row:hover .skill-track{ background:rgba(255,255,255,0.1); }

/* ---------- Projects ---------- */
.filter-tabs{ display:flex; justify-content:center; gap:10px; flex-wrap:wrap; margin-bottom:48px; }
.filter-tab{
  font-size:13.5px; font-weight:500; color:var(--text-secondary);
  border:1px solid var(--glass-border); border-radius:100px; padding:9px 20px;
  transition:all .25s ease;
}
.filter-tab:hover{ color:var(--text-primary); border-color:var(--glass-border-hi); }
.filter-tab.active{ background:var(--accent-grad); color:#04121a; border-color:transparent; font-weight:600; }

/* ---------- Featured reel (launch video) ---------- */
.showcase{
  display:grid; grid-template-columns:minmax(0,1.6fr) minmax(0,1fr); gap:48px; align-items:center;
  grid-column:1 / -1; padding:20px;
  background:var(--glass-bg); border:1px solid var(--glass-border); border-radius:var(--radius-lg);
  position:relative; isolation:isolate;
  transition:border-color .3s ease, box-shadow .3s ease;
}
.showcase::before{
  /* soft brand glow behind the frame */
  content:''; position:absolute; inset:-1px; z-index:-1; border-radius:inherit; pointer-events:none;
  background:radial-gradient(60% 80% at 25% 50%, rgba(99,102,241,0.16), transparent 70%),
             radial-gradient(40% 60% at 90% 10%, rgba(34,211,238,0.10), transparent 70%);
}
.showcase:hover{ border-color:var(--glass-border-hi); box-shadow:0 30px 80px -30px rgba(99,102,241,0.4); }
.showcase.reveal-up.in{ transition:opacity .8s var(--ease), transform .8s var(--ease), border-color .3s ease, box-shadow .3s ease; }
.showcase.hide{ display:none; }

.reel{
  position:relative; aspect-ratio:16/9; overflow:hidden;
  border-radius:var(--radius-md); background:#08090f;
  border:1px solid var(--glass-border);
}
.reel-video{ display:block; width:100%; height:100%; object-fit:cover; cursor:pointer; }
.reel[data-state="playing"] .reel-video{ cursor:auto; }

.reel-play{
  position:absolute; left:16px; bottom:16px; z-index:2;
  display:inline-flex; align-items:center; gap:10px;
  padding:8px 18px 8px 8px; border-radius:100px;
  font-size:13.5px; font-weight:600; color:var(--text-primary);
  background:rgba(6,9,18,0.72); border:1px solid var(--glass-border);
  backdrop-filter:blur(12px); -webkit-backdrop-filter:blur(12px);
  transition:transform .3s var(--ease), border-color .3s ease, background .3s ease, opacity .3s ease;
}
.reel-play:hover, .reel-play:focus-visible{ transform:translateY(-2px); border-color:var(--glass-border-hi); background:rgba(6,9,18,0.88); }
.reel-play:focus-visible{ outline:2px solid var(--accent); outline-offset:3px; }
.reel-play-icon{
  position:relative; width:34px; height:34px; border-radius:50%;
  display:inline-flex; align-items:center; justify-content:center;
  background:var(--accent-grad); color:#04121a;
}
.reel-play-icon svg{ margin-left:2px; }
.reel-play-icon::after{
  content:''; position:absolute; inset:0; border-radius:50%;
  box-shadow:0 0 0 0 rgba(34,211,238,0.55); animation:reelPulse 2.4s infinite;
}
@keyframes reelPulse{ 0%{ box-shadow:0 0 0 0 rgba(34,211,238,0.5); } 70%{ box-shadow:0 0 0 12px rgba(34,211,238,0); } 100%{ box-shadow:0 0 0 0 rgba(34,211,238,0); } }
.reel[data-state="playing"] .reel-play,
.reel[data-state="playing"] .reel-meta{ opacity:0; visibility:hidden; pointer-events:none; }

.reel-meta{
  position:absolute; right:16px; bottom:22px; z-index:2;
  font-family:var(--font-mono); font-size:11px; letter-spacing:.06em; color:rgba(232,237,247,0.7);
  text-shadow:0 1px 8px rgba(0,0,0,0.7);
}

.showcase-copy{ display:flex; flex-direction:column; gap:14px; padding:8px 12px 8px 0; }
.showcase-copy h3{ font-size:clamp(24px,2.6vw,30px); line-height:1.15; }
.showcase-cta{ margin-top:8px; }
.showcase:hover .project-tags span{ border-color:var(--glass-border-hi); color:var(--text-primary); }

.projects-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:28px; }
.project-card{
  padding:32px; display:flex; flex-direction:column; gap:14px;
  transition:opacity .35s ease, transform .35s ease, border-color .3s ease, box-shadow .3s ease;
}
.project-card.hide{ display:none; }
.project-top{ display:flex; justify-content:space-between; align-items:center; }
.status-badge{
  font-family:var(--font-mono); font-size:11px; letter-spacing:.05em; text-transform:uppercase;
  padding:5px 12px; border-radius:100px; font-weight:600;
}
.status-live{ background:rgba(52,211,153,0.12); color:var(--success); }
.status-progress{ background:rgba(251,191,36,0.12); color:var(--warning); }
.status-campus{ background:rgba(99,102,241,0.14); color:#a5b4fc; }
.status-target{ background:rgba(99,102,241,0.14); color:#a5b4fc; }
.project-link{ font-size:13px; color:var(--accent); font-weight:500; }
.project-link.muted{ color:var(--text-tertiary); }
.project-card h3{ font-size:22px; }
.project-desc{ color:var(--text-secondary); font-size:14.5px; }
.project-tags{ display:flex; flex-wrap:wrap; gap:8px; }
.project-tags span{
  font-family:var(--font-mono); font-size:11.5px; color:var(--text-secondary);
  border:1px solid var(--glass-border); border-radius:6px; padding:4px 10px;
  transition:border-color .25s ease, color .25s ease;
}
.project-card:hover .project-tags span{ border-color:var(--glass-border-hi); color:var(--text-primary); }
.project-highlight{ font-size:13px; color:var(--accent); }
.project-facts{ margin:0; display:grid; gap:10px; }
.project-facts > div{ display:grid; grid-template-columns:78px 1fr; gap:12px; align-items:baseline; }
.project-facts dt{
  margin:0; font-family:var(--font-mono); font-size:11px; letter-spacing:.06em;
  text-transform:uppercase; color:var(--text-primary);
}
.project-facts dd{ margin:0; font-size:13.5px; line-height:1.55; color:var(--text-secondary); }
@media (max-width:520px){
  .project-facts > div{ grid-template-columns:1fr; gap:2px; }
}
.project-live{ font-size:13px; color:var(--text-secondary); }
.project-live a{ color:var(--accent); }

/* ---------- Timeline ---------- */
.timeline{ position:relative; max-width:900px; margin:0 auto; }
.timeline::before{
  content:''; position:absolute; left:50%; top:0; bottom:0; width:1px;
  background:linear-gradient(180deg, transparent, var(--glass-border) 8%, var(--glass-border) 92%, transparent);
  transform:translateX(-50%);
}
.timeline-item{ position:relative; width:50%; padding:0 48px 64px; }
.timeline-item:nth-child(odd){ left:0; text-align:right; }
.timeline-item:nth-child(even){ left:50%; text-align:left; }
.timeline-dot{
  position:absolute; top:6px; width:13px; height:13px; border-radius:50%;
  background:var(--bg-deep); border:2px solid var(--accent);
  box-shadow:0 0 0 4px var(--bg-deep), 0 0 16px rgba(34,211,238,0.6);
}
.timeline-item:nth-child(odd) .timeline-dot{ right:-7px; }
.timeline-item:nth-child(even) .timeline-dot{ left:-7px; }
.timeline-card{
  background:var(--glass-bg); border:1px solid var(--glass-border); border-radius:var(--radius-md);
  padding:28px; backdrop-filter:blur(10px); transition:border-color .3s ease, transform .3s ease;
}
.timeline-card:hover{ border-color:var(--glass-border-hi); transform:translateY(-2px); }
.timeline-period{ font-family:var(--font-mono); font-size:12.5px; color:var(--accent); }
.timeline-card h3{ font-size:19px; margin:8px 0 2px; }
.timeline-role{ font-size:13.5px; color:var(--text-tertiary); margin-bottom:12px; }
.timeline-desc{ color:var(--text-secondary); font-size:14px; margin-bottom:16px; }
.timeline-intro{
  max-width:720px; margin:0 auto 64px; text-align:center;
  color:var(--text-secondary); font-size:15.5px; line-height:1.75;
}
.timeline-theme{
  display:block; margin-top:6px; font-family:var(--font-mono); font-size:11px;
  letter-spacing:.06em; text-transform:uppercase; color:var(--text-tertiary);
}
.timeline-takeaway{
  margin-bottom:16px; padding-left:12px; border-left:2px solid var(--accent);
  font-size:13.5px; font-style:italic; color:var(--text-primary);
}
.timeline-item:nth-child(odd) .timeline-takeaway{
  padding-left:0; padding-right:12px; border-left:0; border-right:2px solid var(--accent);
}
.takeaway-label{
  display:block; margin-bottom:2px; font-family:var(--font-mono); font-size:11px;
  font-style:normal; letter-spacing:.06em; text-transform:uppercase; color:var(--accent);
}
.timeline-skills{ display:flex; flex-wrap:wrap; gap:8px; }
.timeline-item:nth-child(odd) .timeline-skills{ justify-content:flex-end; }
.timeline-skills span{
  font-family:var(--font-mono); font-size:11px; color:var(--text-secondary);
  border:1px solid var(--glass-border); border-radius:6px; padding:3px 9px;
}

/* ---------- Certifications ---------- */
.cert-grid{ display:grid; grid-template-columns:repeat(auto-fit, minmax(200px,1fr)); gap:20px; }
.cert-card{
  background:var(--glass-bg); border:1px solid var(--glass-border); border-radius:var(--radius-md);
  padding:28px 20px; text-align:center; transition:border-color .3s ease, transform .3s ease;
}
.cert-card:hover{ border-color:var(--glass-border-hi); transform:translateY(-4px); }
.cert-icon{
  width:48px; height:48px; margin:0 auto 16px; border-radius:12px;
  background:var(--accent-soft); color:var(--accent);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-mono); font-weight:700; font-size:15px;
}
.cert-card h3{ font-size:17px; margin-bottom:6px; }
.cert-card p{ font-size:12.5px; color:var(--text-tertiary); margin-bottom:14px; }
.cert-status{
  font-family:var(--font-mono); font-size:10.5px; letter-spacing:.04em; text-transform:uppercase;
  padding:5px 12px; border-radius:100px; font-weight:600;
}

/* ---------- Contact ---------- */
.contact-grid{ display:grid; grid-template-columns:0.9fr 1.1fr; gap:80px; }
.contact-intro{ color:var(--text-secondary); font-size:15.5px; margin-bottom:36px; }
.contact-info{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:18px; }
.contact-info li{ display:flex; flex-direction:column; gap:4px; }
.ci-label{ font-family:var(--font-mono); font-size:11.5px; color:var(--text-tertiary); text-transform:uppercase; letter-spacing:.06em; }
.contact-info a{ color:var(--accent); font-size:15px; }
.contact-info a:hover{ text-decoration:underline; }

.contact-form{ padding:36px; display:flex; flex-direction:column; gap:20px; }
.form-row{ display:flex; flex-direction:column; gap:8px; }
.form-row label{ font-size:13px; color:var(--text-secondary); }
.form-row input, .form-row textarea{
  background:rgba(255,255,255,0.03); border:1px solid var(--glass-border); border-radius:var(--radius-sm);
  padding:13px 16px; color:var(--text-primary); font-family:var(--font-body); font-size:14.5px;
  transition:border-color .25s ease, background .25s ease;
  resize:vertical;
}
.form-row input:focus, .form-row textarea:focus{ outline:none; border-color:var(--accent); background:rgba(255,255,255,0.05); }
.form-submit{ justify-content:center; margin-top:4px; }
.form-submit:disabled{ opacity:.6; cursor:not-allowed; transform:none !important; }
.form-status{ font-size:13.5px; text-align:center; min-height:1.2em; }
.form-status.ok{ color:var(--success); }
.form-status.err{ color:#f87171; }

/* ---------- Footer ---------- */
.footer{ padding:36px 0; border-top:1px solid var(--glass-border); }
.footer-inner{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:16px; }
.footer-inner p{ font-size:13.5px; color:var(--text-tertiary); }
.footer-links{ display:flex; gap:24px; }
.footer-links a{ font-size:13.5px; color:var(--text-secondary); transition:color .25s ease; }
.footer-links a:hover{ color:var(--accent); }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 980px){
  .about-grid, .contact-grid{ grid-template-columns:1fr; gap:48px; }
  .about-visual{ order:-1; }
  .skills-grid{ grid-template-columns:1fr; gap:36px; }
  .projects-grid{ grid-template-columns:1fr; }
  .showcase{ grid-template-columns:1fr; gap:28px; }
  .showcase-copy{ padding:0 8px 8px; }
  .cert-grid{ grid-template-columns:repeat(2,1fr); }
  .stats-grid{ grid-template-columns:repeat(2,1fr); }
}

@media (max-width: 860px){
  .nav-links{
    position:fixed; top:64px; left:0; right:0; bottom:0;
    background:rgba(6,9,18,0.97); backdrop-filter:blur(20px);
    flex-direction:column; align-items:center; justify-content:center; gap:28px;
    transform:translateY(-12px); opacity:0; pointer-events:none;
    transition:opacity .3s ease, transform .3s ease;
  }
  .nav-links.open{ opacity:1; transform:translateY(0); pointer-events:auto; }
  .nav-links a{ font-size:20px; }
  .nav-burger{ display:flex; }
  .lang-toggle{ display:none; }
  .nav-links.open ~ .nav-actions .lang-toggle,
  .nav-links.open .lang-toggle{ display:flex; }
}

@media (max-width: 640px){
  .section{ padding:96px 0; }
  .timeline::before{ left:14px; }
  .timeline-item{ width:100%; padding-left:44px; padding-right:0; text-align:left !important; }
  .timeline-item:nth-child(even){ left:0; }
  .timeline-item:nth-child(odd) .timeline-dot,
  .timeline-item:nth-child(even) .timeline-dot{ left:7px; right:auto; }
  .timeline-item:nth-child(odd) .timeline-skills{ justify-content:flex-start; }
  .timeline-item:nth-child(odd) .timeline-takeaway{
    padding-left:12px; padding-right:0; border-left:2px solid var(--accent); border-right:0;
  }
  .timeline-intro{ margin-bottom:48px; }
  .cert-grid{ grid-template-columns:1fr 1fr; }
  .stats-grid{ grid-template-columns:1fr 1fr; }
  .hero-cta{ flex-direction:column; align-items:stretch; }
  .btn{ justify-content:center; }
  .showcase{ padding:12px; }
  .reel-play{ left:10px; bottom:10px; gap:8px; padding:5px 14px 5px 5px; font-size:12px; }
  .reel-play-icon{ width:26px; height:26px; }
  .reel-meta{ display:none; }
}