/* ============================================================
   LAYOUT & COMPONENTS
   ============================================================ */

/* ---------- loading screen ---------- */
#loader{
  position:fixed; inset:0; background:var(--bg);
  display:flex; align-items:center; justify-content:center;
  z-index:9999; transition:opacity .5s var(--ease), visibility .5s var(--ease);
}
#loader.hide{ opacity:0; visibility:hidden; pointer-events:none; }
.loader-manifest{
  font-family:var(--font-mono); font-size:0.85rem; color:var(--text-secondary);
  display:flex; flex-direction:column; gap:6px; min-width:260px;
}
.loader-manifest .line{ opacity:0; animation:typeLine .4s var(--ease) forwards; }
.loader-manifest .line:nth-child(1){ animation-delay:.05s; }
.loader-manifest .line:nth-child(2){ animation-delay:.35s; }
.loader-manifest .line:nth-child(3){ animation-delay:.65s; }
.loader-manifest .line b{ color:var(--ok); }
@keyframes typeLine{ from{ opacity:0; transform:translateX(-6px);} to{ opacity:1; transform:translateX(0);} }

/* ---------- progress bar ---------- */
#scroll-progress{
  position:fixed; top:0; left:0; height:3px; width:0%;
  background:var(--grad-primary); z-index:1001; transition:width .1s linear;
}

/* ---------- navbar ---------- */
.navbar{
  position:fixed; top:0; left:0; right:0; z-index:900;
  padding:16px var(--gutter);
  display:flex; align-items:center; justify-content:space-between;
  transition:background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), padding var(--dur-fast) var(--ease);
  border-bottom:1px solid transparent;
}
.navbar.scrolled{
  background:color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter:blur(16px); -webkit-backdrop-filter:blur(16px);
  border-color:var(--border);
  padding-block:12px;
}
.nav-logo{
  font-family:var(--font-mono); font-weight:600; font-size:1rem;
  display:flex; align-items:center; gap:10px; color:var(--text-primary);
}
.nav-logo .dot{ width:8px; height:8px; border-radius:50%; background:var(--ok); box-shadow:0 0 0 3px rgba(52,211,153,0.18); animation:pulse 2.4s ease-in-out infinite; }
@keyframes pulse{ 0%,100%{ opacity:1;} 50%{ opacity:.4;} }

.nav-links{ display:flex; align-items:center; gap:2px; list-style:none; margin:0; padding:6px; background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-pill); backdrop-filter:blur(10px); }
.nav-links a{ font-size:0.87rem; padding:8px 14px; border-radius:var(--radius-pill); color:var(--text-secondary); transition:color var(--dur-fast), background var(--dur-fast); }
.nav-links a:hover, .nav-links a.active{ color:var(--text-primary); background:var(--surface-strong); }

.nav-actions{ display:flex; align-items:center; gap:10px; }
.theme-toggle{
  width:40px; height:40px; border-radius:50%; display:flex; align-items:center; justify-content:center;
  background:var(--surface); border:1px solid var(--border); cursor:pointer; color:var(--text-primary);
  transition:transform var(--dur-fast) var(--ease), border-color var(--dur-fast);
}
.theme-toggle:hover{ transform:rotate(20deg); border-color:var(--border-strong); }
.theme-toggle svg{ width:18px; height:18px; }
.theme-toggle .icon-moon{ display:none; }
[data-theme="light"] .theme-toggle .icon-sun{ display:none; }
[data-theme="light"] .theme-toggle .icon-moon{ display:block; }

.nav-toggle{ display:none; width:40px; height:40px; border-radius:50%; border:1px solid var(--border); background:var(--surface); align-items:center; justify-content:center; cursor:pointer; }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content:''; display:block; width:16px; height:2px; background:var(--text-primary); position:relative; transition:all .25s var(--ease);
}
.nav-toggle span::before{ position:absolute; top:-5px; }
.nav-toggle span::after{ position:absolute; top:5px; }
.nav-toggle.open span{ background:transparent; }
.nav-toggle.open span::before{ transform:rotate(45deg); top:0; }
.nav-toggle.open span::after{ transform:rotate(-45deg); top:0; }

/* ---------- hero ---------- */
.hero{
  min-height:100svh;
  display:flex; align-items:center;
  padding-top:110px; padding-bottom:60px;
  position:relative; overflow:hidden;
}
#hero-canvas{ position:absolute; inset:0; z-index:0; opacity:0.55; pointer-events:none; }
.hero .container{ position:relative; z-index:1; display:grid; grid-template-columns:1.15fr 0.85fr; gap:56px; align-items:center; }

.hero-kicker{ margin-bottom:22px; }
.hero h1{ font-size:var(--fs-h1); }
.hero .type-cursor{ display:inline-block; width:3px; height:0.85em; background:var(--accent); margin-left:4px; vertical-align:-0.1em; animation:blink 0.9s steps(1) infinite; }
@keyframes blink{ 50%{ opacity:0; } }
.hero-sub{ margin-top:22px; font-size:1.12rem; max-width:52ch; color:var(--text-secondary); }
.hero-actions{ display:flex; flex-wrap:wrap; gap:12px; margin-top:34px; }
.hero-meta{ display:flex; flex-wrap:wrap; gap:22px; margin-top:38px; }
.hero-meta div{ display:flex; flex-direction:column; gap:2px; }
.hero-meta .num{ font-family:var(--font-display); font-size:1.5rem; font-weight:600; }
.hero-meta .lbl{ font-size:var(--fs-micro); color:var(--text-tertiary); text-transform:uppercase; letter-spacing:.06em; }

/* build manifest card — signature element */
.manifest-card{
  border-radius:var(--radius-lg);
  background:var(--bg-elevated);
  border:1px solid var(--border);
  box-shadow:var(--shadow-md);
  overflow:hidden;
  transform:perspective(1000px) rotateY(-6deg) rotateX(2deg);
  transition:transform .4s var(--ease);
}
.manifest-card:hover{ transform:perspective(1000px) rotateY(-2deg) rotateX(0deg); }
.manifest-head{ display:flex; align-items:center; gap:8px; padding:14px 18px; border-bottom:1px solid var(--border); }
.manifest-head span{ width:10px; height:10px; border-radius:50%; background:var(--border-strong); }
.manifest-head span:nth-child(1){ background:#FF5F57; }
.manifest-head span:nth-child(2){ background:#FEBC2E; }
.manifest-head span:nth-child(3){ background:#28C840; }
.manifest-title{ margin-left:auto; font-family:var(--font-mono); font-size:var(--fs-micro); color:var(--text-tertiary); }
.manifest-body{ padding:20px 20px 24px; font-family:var(--font-mono); font-size:0.83rem; }
.manifest-body .row{ display:flex; justify-content:space-between; padding:9px 0; border-bottom:1px dashed var(--border); color:var(--text-secondary); }
.manifest-body .row span:last-child{ color:var(--text-primary); }
.manifest-body .status{ margin-top:16px; display:flex; align-items:center; gap:8px; color:var(--ok); font-size:0.82rem; }
.manifest-body .status .dot{ width:7px; height:7px; border-radius:50%; background:var(--ok); box-shadow:0 0 0 3px rgba(52,211,153,0.18); }

.logo-strip{ margin-top:70px; padding-top:36px; border-top:1px solid var(--border); }
.logo-strip p{ font-size:var(--fs-micro); text-transform:uppercase; letter-spacing:.08em; color:var(--text-tertiary); margin-bottom:18px; }
.logo-track{ display:flex; gap:56px; overflow:hidden; -webkit-mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent); }
.logo-track ul{ display:flex; gap:56px; list-style:none; padding:0; margin:0; animation:scrollX 26s linear infinite; flex-shrink:0; }
.logo-track ul li{ font-family:var(--font-mono); font-size:0.95rem; color:var(--text-tertiary); white-space:nowrap; }
@keyframes scrollX{ from{ transform:translateX(0);} to{ transform:translateX(-100%);} }

/* ---------- stats ---------- */
.stats-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--border); border:1px solid var(--border); border-radius:var(--radius-lg); overflow:hidden; }
.stat{ background:var(--bg-elevated); padding:32px 24px; text-align:left; }
.stat .num{ font-family:var(--font-display); font-size:clamp(2rem,4vw,2.8rem); font-weight:600; }
.stat .lbl{ margin-top:6px; color:var(--text-tertiary); font-size:var(--fs-small); }

/* ---------- timeline (about + experience) ---------- */
.timeline{ position:relative; margin-top:8px; }
.timeline::before{ content:''; position:absolute; left:9px; top:6px; bottom:6px; width:1px; background:linear-gradient(var(--border-strong), var(--border) 80%, transparent); }
.tl-item{ position:relative; padding-left:38px; padding-bottom:44px; }
.tl-item:last-child{ padding-bottom:0; }
.tl-item::before{ content:''; position:absolute; left:2px; top:4px; width:16px; height:16px; border-radius:50%; background:var(--bg); border:2px solid var(--primary); }
.tl-item.current::before{ background:var(--accent); border-color:var(--accent); box-shadow:0 0 0 4px rgba(34,211,238,0.18); }
.tl-date{ font-family:var(--font-mono); font-size:var(--fs-micro); color:var(--accent); text-transform:uppercase; letter-spacing:.05em; }
.tl-role{ margin-top:8px; font-size:1.2rem; font-family:var(--font-display); font-weight:600; }
.tl-company{ color:var(--text-secondary); font-size:0.95rem; margin-top:2px; }
.tl-desc{ margin-top:14px; }
.tl-desc ul{ margin:0; padding-left:18px; display:flex; flex-direction:column; gap:8px; color:var(--text-secondary); font-size:0.95rem; }
.tl-tags{ display:flex; flex-wrap:wrap; gap:8px; margin-top:16px; }

/* ---------- about grid ---------- */
.about-grid{ display:grid; grid-template-columns:0.85fr 1.15fr; gap:64px; }
.about-photo{ aspect-ratio:4/5; border-radius:var(--radius-lg); background:var(--surface); border:1px solid var(--border); display:flex; align-items:center; justify-content:center; position:relative; overflow:hidden; }
.about-photo .placeholder-label{ position:absolute; bottom:14px; left:14px; font-family:var(--font-mono); font-size:var(--fs-micro); background:rgba(0,0,0,0.5); color:#fff; padding:6px 10px; border-radius:6px; }
.values-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:16px; margin-top:32px; }
.value-card{ padding:20px; }
.value-card h4{ font-size:1rem; }
.value-card p{ margin-top:8px; font-size:0.9rem; }

/* ---------- projects ---------- */
.filter-bar{ display:flex; flex-wrap:wrap; gap:10px; margin-bottom:36px; }
.filter-btn{ font-family:var(--font-mono); font-size:var(--fs-small); padding:9px 16px; border-radius:var(--radius-pill); background:var(--surface); border:1px solid var(--border); cursor:pointer; color:var(--text-secondary); transition:all var(--dur-fast); }
.filter-btn:hover{ border-color:var(--border-strong); color:var(--text-primary); }
.filter-btn.active{ background:var(--grad-primary); color:#fff; border-color:transparent; }
.search-input{ margin-left:auto; font-family:var(--font-body); padding:9px 16px; border-radius:var(--radius-pill); background:var(--surface); border:1px solid var(--border); color:var(--text-primary); min-width:220px; }
.search-input::placeholder{ color:var(--text-tertiary); }

.project-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:24px; }
.project-card{ padding:0; overflow:hidden; display:flex; flex-direction:column; }
.project-card:hover{ transform:translateY(-6px); border-color:var(--border-strong); box-shadow:var(--shadow-md); }
.project-media{ aspect-ratio:16/10; background:linear-gradient(135deg, rgba(108,92,231,0.25), rgba(34,211,238,0.15)); position:relative; display:flex; align-items:center; justify-content:center; overflow:hidden; }
.project-media .device{ width:58%; aspect-ratio:9/18; background:var(--bg-elevated); border:3px solid var(--border-strong); border-radius:22px; box-shadow:0 20px 50px rgba(0,0,0,0.4); }
.project-featured{ position:absolute; top:14px; left:14px; background:rgba(0,0,0,0.55); color:#fff; font-family:var(--font-mono); font-size:var(--fs-micro); padding:5px 10px; border-radius:var(--radius-sm); backdrop-filter:blur(6px); }
.project-body{ padding:24px; display:flex; flex-direction:column; gap:12px; flex:1; }
.project-body h3{ font-size:1.15rem; }
.project-cat{ font-family:var(--font-mono); font-size:var(--fs-micro); color:var(--accent); text-transform:uppercase; }
.project-stack{ display:flex; flex-wrap:wrap; gap:6px; margin-top:2px; }
.project-links{ display:flex; gap:10px; margin-top:auto; padding-top:12px; }
.project-links a{ font-size:0.85rem; font-weight:600; display:inline-flex; align-items:center; gap:5px; color:var(--text-primary); }
.project-links a:hover{ color:var(--accent); }

/* ---------- skills ---------- */
.skills-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.skill-group h4{ font-family:var(--font-mono); font-size:var(--fs-small); text-transform:uppercase; letter-spacing:.05em; color:var(--text-tertiary); margin-bottom:16px; }
.skill-row{ margin-bottom:14px; }
.skill-row-top{ display:flex; justify-content:space-between; font-size:0.9rem; margin-bottom:6px; }
.skill-bar{ height:6px; border-radius:99px; background:var(--surface-strong); overflow:hidden; }
.skill-bar-fill{ height:100%; border-radius:99px; background:var(--grad-primary); width:0%; transition:width 1.1s var(--ease); }
.softskills{ display:flex; flex-wrap:wrap; gap:10px; margin-top:8px; }

/* ---------- services ---------- */
.services-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.service-card{ padding:28px; }
.service-icon{ width:44px; height:44px; border-radius:12px; background:var(--grad-primary); display:flex; align-items:center; justify-content:center; margin-bottom:18px; }
.service-icon svg{ width:22px; height:22px; color:#fff; }
.service-card h3{ font-size:1.1rem; }
.service-card p{ margin-top:10px; font-size:0.92rem; }
.service-card ul{ margin:14px 0 0; padding-left:18px; color:var(--text-secondary); font-size:0.88rem; display:flex; flex-direction:column; gap:5px; }

/* ---------- testimonials ---------- */
.testi-track{ display:flex; gap:20px; overflow-x:auto; scroll-snap-type:x mandatory; padding-bottom:10px; }
.testi-card{ min-width:min(420px,85vw); scroll-snap-align:start; padding:28px; display:flex; flex-direction:column; gap:16px; }
.testi-quote{ font-size:1rem; color:var(--text-primary); }
.testi-person{ display:flex; align-items:center; gap:12px; margin-top:auto; }
.testi-avatar{ width:40px; height:40px; border-radius:50%; background:var(--grad-primary); flex-shrink:0; display:flex; align-items:center; justify-content:center; font-family:var(--font-display); font-weight:600; color:#fff; font-size:0.85rem; }
.testi-name{ font-size:0.9rem; font-weight:600; }
.testi-role{ font-size:0.8rem; color:var(--text-tertiary); }

/* ---------- resume ---------- */
.resume-panel{ display:grid; grid-template-columns:1fr 1fr; gap:24px; }

/* ---------- contact ---------- */
.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:start; }
.form-field{ margin-bottom:18px; }
.form-field label{ display:block; font-size:0.85rem; margin-bottom:8px; color:var(--text-secondary); }
.form-field input, .form-field textarea{
  width:100%; padding:13px 16px; border-radius:var(--radius-md); background:var(--surface);
  border:1px solid var(--border); color:var(--text-primary); font-family:var(--font-body); font-size:0.95rem;
  transition:border-color var(--dur-fast);
}
.form-field input:focus, .form-field textarea:focus{ border-color:var(--primary); outline:none; }
.form-note{ font-size:var(--fs-micro); color:var(--text-tertiary); margin-top:10px; }
.contact-list{ display:flex; flex-direction:column; gap:14px; margin-top:26px; }
.contact-item{ display:flex; align-items:center; gap:14px; padding:16px; }
.contact-item svg{ width:18px; height:18px; color:var(--accent); flex-shrink:0; }
.contact-item .lbl{ font-size:var(--fs-micro); color:var(--text-tertiary); text-transform:uppercase; }
.contact-item .val{ font-size:0.95rem; margin-top:2px; word-break:break-word; }
.copy-btn{ margin-left:auto; background:none; border:1px solid var(--border); color:var(--text-secondary); font-size:var(--fs-micro); padding:5px 10px; border-radius:var(--radius-sm); cursor:pointer; flex-shrink:0; }
.copy-btn:hover{ color:var(--text-primary); border-color:var(--border-strong); }
.map-placeholder{ margin-top:18px; height:160px; border-radius:var(--radius-lg); background:var(--surface); border:1px solid var(--border); display:flex; align-items:center; justify-content:center; color:var(--text-tertiary); font-family:var(--font-mono); font-size:var(--fs-small); }

/* ---------- footer ---------- */
footer{ border-top:1px solid var(--border); padding-block:48px; }
.footer-grid{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:20px; }
.footer-social{ display:flex; gap:14px; }
.footer-social a{ width:38px; height:38px; border-radius:50%; border:1px solid var(--border); display:flex; align-items:center; justify-content:center; transition:border-color var(--dur-fast), transform var(--dur-fast); }
.footer-social a:hover{ border-color:var(--accent); transform:translateY(-2px); }
.footer-social svg{ width:16px; height:16px; }
.footer-bottom{ margin-top:28px; padding-top:24px; border-top:1px solid var(--border); display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; font-size:var(--fs-micro); color:var(--text-tertiary); }
.footer-bottom a:hover{ color:var(--text-primary); }

/* ---------- back to top ---------- */
#back-to-top{
  position:fixed; bottom:26px; right:26px; width:46px; height:46px; border-radius:50%;
  background:var(--bg-elevated); border:1px solid var(--border); color:var(--text-primary);
  display:flex; align-items:center; justify-content:center; cursor:pointer; z-index:800;
  opacity:0; visibility:hidden; transform:translateY(10px);
  transition:opacity var(--dur-fast), visibility var(--dur-fast), transform var(--dur-fast), border-color var(--dur-fast);
  box-shadow:var(--shadow-sm);
}
#back-to-top.show{ opacity:1; visibility:visible; transform:translateY(0); }
#back-to-top:hover{ border-color:var(--accent); }
#back-to-top svg{ width:18px; height:18px; }

/* ---------- toast ---------- */
#toast{
  position:fixed; bottom:26px; left:50%; transform:translateX(-50%) translateY(20px);
  background:var(--bg-elevated); border:1px solid var(--border-strong); color:var(--text-primary);
  padding:12px 20px; border-radius:var(--radius-pill); font-size:0.85rem; z-index:1002;
  opacity:0; visibility:hidden; transition:all var(--dur-fast) var(--ease); box-shadow:var(--shadow-md);
  display:flex; align-items:center; gap:8px;
}
#toast.show{ opacity:1; visibility:visible; transform:translateX(-50%) translateY(0); }
#toast .dot{ width:7px; height:7px; border-radius:50%; background:var(--ok); }

/* ---------- responsive ---------- */
@media (max-width:1000px){
  .nav-links{ display:none; }
  .nav-toggle{ display:flex; }
  .hero .container{ grid-template-columns:1fr; }
  .manifest-card{ transform:none; max-width:420px; }
  .about-grid, .contact-grid, .resume-panel{ grid-template-columns:1fr; gap:36px; }
  .stats-grid{ grid-template-columns:repeat(2,1fr); }
  .project-grid{ grid-template-columns:1fr; }
  .skills-grid, .services-grid{ grid-template-columns:1fr 1fr; }
}
@media (max-width:640px){
  .skills-grid, .services-grid{ grid-template-columns:1fr; }
  .filter-bar{ flex-direction:column; align-items:stretch; }
  .search-input{ margin-left:0; }
  .hero-meta{ gap:16px; }
}

/* ---------- mobile nav drawer ---------- */
.mobile-drawer{
  position:fixed; inset:0; z-index:850; background:color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter:blur(16px); display:flex; flex-direction:column; align-items:center; justify-content:center; gap:8px;
  opacity:0; visibility:hidden; transition:opacity var(--dur-fast), visibility var(--dur-fast);
}
.mobile-drawer.open{ opacity:1; visibility:visible; }
.mobile-drawer a{ font-family:var(--font-display); font-size:1.6rem; padding:12px 0; color:var(--text-primary); }