/* ==========================================================================
   KING OJ | CREATIVE PORTFOLIO — style.css
   --------------------------------------------------------------------------
   01  Fonts & design tokens
   02  Base / reset
   03  Layout helpers, buttons, chips
   04  Background (starfield canvas + glow)
   05  Preloader
   06  Navigation (floating pill)
   07  Hero + lanyard ID badge
   08  About
   09  Tools of my craft (3D icons)
   10  Work (filters + masonry gallery)
   11  Dialogs (project modal, photo lightbox, certificate viewer)
   12  Certificates
   13  Contact
   14  Footer + back-to-top
   15  Reveal animations
   16  Responsive
   17  Reduced motion
   ========================================================================== */


/* 01 — FONTS & TOKENS ===================================================== */
@font-face {
  font-family: "Space Grotesk";
  src: url("../assets/fonts/space-grotesk-latin-wght-normal.woff2") format("woff2");
  font-weight: 300 700; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Inter";
  src: url("../assets/fonts/inter-latin-wght-normal.woff2") format("woff2");
  font-weight: 100 900; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Instrument Serif";
  src: url("../assets/fonts/instrument-serif-latin-400-italic.woff2") format("woff2");
  font-weight: 400; font-style: italic; font-display: swap;
}
@font-face {
  font-family: "Instrument Serif";
  src: url("../assets/fonts/instrument-serif-latin-400-normal.woff2") format("woff2");
  font-weight: 400; font-style: normal; font-display: swap;
}

:root {
  /* Palette (from the brief, lightly tuned) */
  --bg:        #080B16;
  --bg-2:      #10182A;
  --card:      #141D30;
  --card-2:    #1a2540;
  --accent:    #3478F6;
  --accent-2:  #63A4FF;
  --text:      #F5F7FA;
  --muted:     #9AA4B5;
  --border:    rgba(255, 255, 255, 0.09);
  --border-2:  rgba(255, 255, 255, 0.16);

  /* Type */
  --font-display: "Space Grotesk", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body:    "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-accent:  "Instrument Serif", Georgia, "Times New Roman", serif;

  /* Shape + motion */
  --radius:    14px;
  --radius-lg: 20px;
  --ease:      cubic-bezier(0.22, 0.61, 0.36, 1);
  --gutter:    clamp(20px, 4.5vw, 44px);
  --section-y: clamp(84px, 11vw, 150px);
  --nav-offset: 92px;
}


/* 02 — BASE =============================================================== */
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-offset);
  -webkit-text-size-adjust: 100%;
}
html.dialog-open { overflow: hidden; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg, canvas { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p, figure { margin: 0; }
button { font: inherit; color: inherit; cursor: pointer; }

h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.1; letter-spacing: -0.02em; font-weight: 600; }
em.serif { font-family: var(--font-accent); font-style: italic; font-weight: 400; letter-spacing: 0; color: var(--accent-2); }

:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 3px; border-radius: 6px; }

.sr-only {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: fixed; top: 10px; left: 10px; z-index: 200;
  padding: 10px 16px; border-radius: 999px; background: var(--accent); color: #fff; font-weight: 600;
  transform: translateY(-160%); transition: transform .25s var(--ease);
}
.skip-link:focus { transform: none; }

.icon { width: 1.1em; height: 1.1em; fill: currentColor; flex: none; }
.icon-stroke { fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }


/* 03 — LAYOUT HELPERS, BUTTONS, CHIPS ===================================== */
.container { width: min(1180px, 100% - var(--gutter) * 2); margin-inline: auto; }
.section { position: relative; padding-block: var(--section-y); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--font-display); font-size: .78rem; font-weight: 500;
  letter-spacing: .22em; text-transform: uppercase; color: var(--accent-2);
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: currentColor; opacity: .7; }

.section-head { max-width: 640px; margin-bottom: clamp(36px, 5vw, 60px); }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head.center .eyebrow::before { display: none; }
.section-head h2 { font-size: clamp(2rem, 4.4vw, 3.2rem); margin-top: 16px; }
.section-head p { color: var(--muted); margin-top: 16px; font-size: 1.05rem; }

.btn {
  --pad-y: 13px; --pad-x: 22px;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: var(--pad-y) var(--pad-x);
  border-radius: 999px; border: 1px solid var(--border-2);
  background: transparent; color: var(--text);
  font-family: var(--font-display); font-weight: 500; font-size: .95rem; letter-spacing: .01em;
  transition: transform .3s var(--ease), background-color .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.btn .icon { transition: transform .3s var(--ease); }
.btn:hover { transform: translateY(-2px); border-color: rgba(255,255,255,.34); background: rgba(255,255,255,.04); }
.btn:hover .icon-arrow { transform: translateX(3px); }
.btn:active { transform: translateY(0) scale(.98); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: #4a88ff; border-color: #4a88ff; box-shadow: 0 10px 28px -10px rgba(52,120,246,.7); }
.btn-sm { --pad-y: 9px; --pad-x: 16px; font-size: .86rem; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips li {
  padding: 5px 12px; border-radius: 999px; border: 1px solid var(--border);
  background: rgba(255,255,255,.03); color: #d3dae6; font-size: .8rem; line-height: 1.5;
}

.social-links { display: flex; gap: 10px; }
.social-links a {
  display: grid; place-items: center; width: 42px; height: 42px; border-radius: 50%;
  border: 1px solid var(--border); background: rgba(255,255,255,.03); color: var(--muted);
  transition: color .3s var(--ease), border-color .3s var(--ease), transform .3s var(--ease), background-color .3s var(--ease);
}
.social-links a:hover { color: #fff; border-color: var(--accent); background: rgba(52,120,246,.14); transform: translateY(-3px); }
.social-links .icon { width: 18px; height: 18px; }


/* 04 — BACKGROUND ========================================================= */
#starfield { position: fixed; inset: 0; width: 100%; height: 100%; z-index: -2; pointer-events: none; }
body::before {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(55% 45% at 82% -5%, rgba(52,120,246,.15), transparent 70%),
    radial-gradient(45% 40% at 0% 100%, rgba(99,164,255,.06), transparent 70%);
}


/* 05 — PRELOADER ========================================================== */
.preloader { display: none; }
.js .preloader {
  position: fixed; inset: 0; z-index: 300; display: grid; place-content: center; justify-items: center; gap: 22px;
  background: var(--bg); transition: opacity .7s var(--ease), visibility .7s;
}
.preloader.done { opacity: 0; visibility: hidden; }
.pl-num { font-family: var(--font-display); font-weight: 500; font-size: clamp(4rem, 14vw, 7rem); line-height: 1; letter-spacing: -0.04em; font-variant-numeric: tabular-nums; }
.pl-num small { font-size: .32em; color: var(--accent-2); margin-left: 6px; letter-spacing: 0; }
.pl-bar { width: min(240px, 60vw); height: 2px; background: var(--border); overflow: hidden; border-radius: 2px; }
.pl-bar i { display: block; height: 100%; width: 100%; background: var(--accent-2); transform: scaleX(0); transform-origin: left; }
.pl-text { font-family: var(--font-display); font-size: .72rem; letter-spacing: .3em; text-transform: uppercase; color: var(--muted); }


/* 06 — NAVIGATION ========================================================= */
.nav-wrap { position: fixed; top: 16px; left: 0; right: 0; z-index: 100; display: flex; justify-content: center; padding-inline: 16px; pointer-events: none; }
.nav {
  pointer-events: auto; position: relative;
  display: flex; align-items: center; gap: 8px;
  padding: 6px 6px 6px 22px; border-radius: 999px;
  background: rgba(14, 20, 36, .72); border: 1px solid var(--border);
  -webkit-backdrop-filter: blur(16px) saturate(1.2); backdrop-filter: blur(16px) saturate(1.2);
  box-shadow: 0 12px 40px -16px rgba(0,0,0,.6);
}
.nav-brand { font-family: var(--font-display); font-weight: 700; letter-spacing: .08em; font-size: .92rem; padding-right: 14px; margin-right: 4px; border-right: 1px solid var(--border); white-space: nowrap; }
.nav-brand .dot { color: var(--accent-2); }
.nav-menu { position: relative; display: flex; align-items: center; }
.nav-menu a {
  position: relative; z-index: 1; display: block; padding: 9px 16px; border-radius: 999px;
  font-family: var(--font-display); font-size: .88rem; font-weight: 500; color: var(--muted);
  transition: color .3s var(--ease);
}
.nav-menu a:hover, .nav-menu a.active { color: #fff; }
.nav-indicator {
  position: absolute; z-index: 0; top: 0; left: 0; height: 100%; width: 0; border-radius: 999px;
  background: var(--accent); box-shadow: 0 6px 20px -8px rgba(52,120,246,.9);
  transition: transform .45s var(--ease), width .45s var(--ease), opacity .3s; opacity: 0; pointer-events: none;
}
.nav-toggle { display: none; }


/* 07 — HERO + LANYARD BADGE =============================================== */
.hero {
  position: relative; min-height: 100svh; display: flex; align-items: center;
  padding-top: 110px; padding-bottom: 60px; overflow: hidden;
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: clamp(24px, 5vw, 72px); align-items: center; }

.hero-copy .eyebrow { margin-bottom: 26px; }
.hero h1 { font-size: clamp(2.7rem, 6.4vw, 5rem); font-weight: 600; letter-spacing: -0.035em; line-height: 1.02; }
.hero h1 em.serif { font-size: 1.08em; }
.hero-lead { margin-top: 26px; max-width: 520px; font-size: clamp(1.02rem, 1.5vw, 1.18rem); color: #cdd5e2; }
.hero-sub { margin-top: 12px; max-width: 520px; color: var(--muted); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-social { display: flex; align-items: center; gap: 18px; margin-top: 38px; }
.hero-social > span { font-family: var(--font-display); font-size: .7rem; letter-spacing: .25em; text-transform: uppercase; color: var(--muted); }

/* Stage that holds the swinging badge */
.hero-stage {
  --cw: clamp(224px, min(23vw, 34vh), 300px);        /* card width  */
  --ch: calc(var(--cw) * 1.4);                        /* card height */
  --strap: clamp(130px, 21vh, 250px);                 /* strap length */
  position: relative; height: calc(var(--strap) + var(--ch) + 40px); display: flex; justify-content: center;
  margin-top: -50px;
}
.lanyard-anchor { position: absolute; left: 50%; top: -60px; width: 1px; height: 1px; pointer-events: none; }
.lanyard {
  position: absolute; left: 50%; top: -60px; width: 0; height: 0;
  transform-origin: 50% 0; transform: rotate(var(--ang, -0.1rad)); will-change: transform;
}
.strap {
  position: absolute; left: -13px; top: 0; width: 26px; height: calc(var(--strap) + 60px);
  background:
    linear-gradient(90deg, rgba(255,255,255,.14), transparent 22%, transparent 78%, rgba(0,0,0,.35)),
    #17306a;
  border-left: 2px solid rgba(99,164,255,.35); border-right: 2px solid rgba(99,164,255,.35);
  overflow: hidden; display: grid; place-items: center;
}
.strap span {
  writing-mode: vertical-rl; transform: rotate(180deg); white-space: nowrap;
  font-family: var(--font-display); font-weight: 600; font-size: .62rem; letter-spacing: .32em; color: rgba(255,255,255,.55);
}
.clip {
  position: absolute; left: -17px; top: calc(var(--strap) + 52px); width: 34px; height: 30px; z-index: 3;
  border-radius: 6px 6px 10px 10px;
  background: linear-gradient(180deg, #e6ebf5, #8b97ad 55%, #c3cddd);
  box-shadow: 0 3px 8px rgba(0,0,0,.45);
}
.clip::after { content: ""; position: absolute; left: 50%; bottom: 5px; width: 12px; height: 7px; margin-left: -6px; border-radius: 4px; background: #0b1020; }

.badge-wrap { position: absolute; left: calc(var(--cw) / -2); top: calc(var(--strap) + 70px); width: var(--cw); perspective: 900px; }
.badge {
  position: relative; width: 100%; padding: 10px; border-radius: 18px; cursor: grab; touch-action: pan-y; user-select: none; -webkit-user-select: none;
  background: linear-gradient(160deg, var(--card-2), #0f1626 70%);
  border: 1px solid var(--border-2);
  box-shadow: 0 40px 70px -28px rgba(0,0,0,.85), 0 0 0 1px rgba(0,0,0,.4), inset 0 1px 0 rgba(255,255,255,.12);
  transform: rotateY(var(--tilt, 0deg)); transform-style: preserve-3d;
  transition: box-shadow .4s var(--ease);
}
.badge.dragging { cursor: grabbing; }
.badge::before { /* slot cut-out where the clip sits */
  content: ""; position: absolute; left: 50%; top: 9px; width: 46px; height: 7px; margin-left: -23px; border-radius: 4px; background: #070a14; z-index: 2; box-shadow: inset 0 1px 2px rgba(0,0,0,.8);
}
.badge::after { /* soft sheen that drifts as the badge swings */
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; z-index: 4;
  background: linear-gradient(115deg, transparent calc(var(--sheen, 50%) - 22%), rgba(150,195,255,.16) var(--sheen, 50%), transparent calc(var(--sheen, 50%) + 22%));
  mix-blend-mode: screen;
}
.badge-photo { position: relative; border-radius: 11px; overflow: hidden; aspect-ratio: 4 / 4.55; background: var(--bg-2); margin-top: 14px; }
.badge-photo img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 24%; pointer-events: none; -webkit-user-drag: none; }
.badge-photo::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 62%, rgba(8,11,22,.55)); }
.badge-tag {
  position: absolute; left: 10px; bottom: 10px; z-index: 1; padding: 3px 9px; border-radius: 999px;
  font-family: var(--font-display); font-size: .6rem; letter-spacing: .2em; text-transform: uppercase;
  background: rgba(8,11,22,.6); border: 1px solid var(--border-2); color: #dbe6fa;
}
.badge-body { padding: 14px 6px 6px; display: grid; gap: 4px; }
.badge-name { font-family: var(--font-display); font-weight: 700; font-size: clamp(1.25rem, 2.2vw, 1.6rem); letter-spacing: .02em; }
.badge-name span { color: var(--accent-2); }
.badge-role { font-size: .72rem; color: var(--muted); letter-spacing: .04em; }
.badge-foot { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; margin-top: 10px; }
.barcode { flex: 1; height: 22px; opacity: .55; background: repeating-linear-gradient(90deg, #cfd8ea 0 2px, transparent 2px 4px, #cfd8ea 4px 5px, transparent 5px 9px, #cfd8ea 9px 12px, transparent 12px 14px); }
.badge-foot b { font-family: var(--font-display); font-size: .7rem; letter-spacing: .16em; color: var(--muted); font-weight: 500; }

.scroll-hint {
  position: absolute; left: 50%; bottom: 22px; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  font-family: var(--font-display); font-size: .66rem; letter-spacing: .3em; text-transform: uppercase; color: var(--muted);
}
.scroll-hint i { width: 1px; height: 34px; background: linear-gradient(var(--accent-2), transparent); transform-origin: top; animation: hint 2.2s var(--ease) infinite; }
@keyframes hint { 0% { transform: scaleY(0); } 55% { transform: scaleY(1); } 100% { transform: scaleY(1); opacity: 0; } }


/* 08 — ABOUT ============================================================== */
.about-grid { display: grid; grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr); gap: clamp(32px, 6vw, 88px); align-items: start; }
.about-visual { position: sticky; top: 110px; }
.frame { position: relative; border-radius: var(--radius-lg); }
.frame img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: 50% 30%; border-radius: var(--radius-lg); border: 1px solid var(--border); }
.frame::before, .frame::after { content: ""; position: absolute; width: 56px; height: 56px; border: 1px solid var(--accent-2); opacity: .7; pointer-events: none; }
.frame::before { top: -12px; left: -12px; border-right: 0; border-bottom: 0; border-top-left-radius: 8px; }
.frame::after  { right: -12px; bottom: -12px; border-left: 0; border-top: 0; border-bottom-right-radius: 8px; }
.frame-note {
  position: absolute; left: 16px; bottom: 16px; right: 16px; display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 10px 14px; border-radius: 12px; font-size: .78rem; color: #dbe3f1;
  background: rgba(8,11,22,.66); border: 1px solid var(--border); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
}
.frame-note b { font-family: var(--font-display); letter-spacing: .12em; font-weight: 600; }

.about-copy h2 { font-size: clamp(2rem, 4.2vw, 3.1rem); margin: 16px 0 24px; }
.about-copy .bio p { color: #c3ccdb; margin-bottom: 16px; max-width: 62ch; }
.about-copy .bio p:first-child { color: var(--text); font-size: 1.12rem; }
.about-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }

.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 40px; }
.stat { padding: 18px 18px 16px; border: 1px solid var(--border); border-radius: var(--radius); background: rgba(20,29,48,.6); }
.stat b { display: block; font-family: var(--font-display); font-weight: 600; font-size: clamp(1.8rem, 3.4vw, 2.5rem); line-height: 1; font-variant-numeric: tabular-nums; }
.stat span { display: block; margin-top: 8px; font-size: .78rem; color: var(--muted); letter-spacing: .04em; }

.about-blocks { display: grid; grid-template-columns: 1fr 1fr; gap: 28px 36px; margin-top: 48px; }
.about-block h3 { font-size: .74rem; font-weight: 500; letter-spacing: .24em; text-transform: uppercase; color: var(--accent-2); margin-bottom: 18px; }
.about-block.wide { grid-column: 1 / -1; }
.timeline { display: grid; gap: 18px; }
.timeline li { position: relative; padding-left: 22px; border-left: 1px solid var(--border-2); }
.timeline li::before { content: ""; position: absolute; left: -4px; top: 8px; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(52,120,246,.18); }
.timeline h4 { font-size: 1rem; font-weight: 600; letter-spacing: -0.01em; }
.timeline .where { color: #c3ccdb; font-size: .9rem; margin-top: 2px; }
.timeline .when { display: block; color: var(--muted); font-size: .78rem; letter-spacing: .06em; margin-top: 4px; }
.timeline p { color: var(--muted); font-size: .88rem; margin-top: 8px; }
.off-clock { margin-top: 18px; color: var(--muted); font-size: .92rem; }


/* 09 — TOOLS OF MY CRAFT ================================================== */
.tools { background: linear-gradient(180deg, transparent, rgba(16,24,42,.55) 30%, rgba(16,24,42,.55) 70%, transparent); }
.tools-stage {
  position: relative; display: flex; justify-content: center; gap: clamp(20px, 5vw, 72px);
  padding: 56px 0 110px; perspective: 1100px;
}
.tools-floor {
  position: absolute; left: 50%; bottom: 0; width: min(900px, 100%); height: 230px; transform: translateX(-50%) rotateX(68deg); transform-origin: 50% 100%;
  background:
    linear-gradient(rgba(99,164,255,.16) 1px, transparent 1px) 0 0 / 100% 38px,
    linear-gradient(90deg, rgba(99,164,255,.16) 1px, transparent 1px) 0 0 / 52px 100%;
  -webkit-mask-image: radial-gradient(60% 75% at 50% 70%, #000, transparent 78%); mask-image: radial-gradient(60% 75% at 50% 70%, #000, transparent 78%);
  pointer-events: none; opacity: .75;
}
.tool {
  --lift: 0px; --depth: 1; --mx: 0; --my: 0;
  position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; gap: 30px;
  width: 150px; outline-offset: 10px; cursor: pointer; touch-action: manipulation; -webkit-tap-highlight-color: transparent;
}
.tool:nth-child(1) { --lift: 22px;  --depth: 1.2; --delay: -0s;   --dur: 6.4s; }
.tool:nth-child(2) { --lift: -4px;  --depth: .8;  --delay: -1.8s; --dur: 7.2s; }
.tool:nth-child(3) { --lift: -4px;  --depth: 1;   --delay: -3.4s; --dur: 6.8s; }
.tool:nth-child(4) { --lift: 22px;  --depth: 1.3; --delay: -4.6s; --dur: 7.6s; }

.tool-parallax, .tool-shadow { translate: 0 var(--lift); }   /* the icons arc; the labels stay in one row */
.tool-parallax { transform: translate3d(calc(var(--mx) * var(--depth) * 14px), calc(var(--my) * var(--depth) * 10px), 0); transition: transform .35s var(--ease); transform-style: preserve-3d; }
.tool-float { animation: float var(--dur) ease-in-out var(--delay) infinite; transform-style: preserve-3d; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-16px); } }

.tool-cube {
  --s: 108px; --hy: 0deg; --sc: 1;
  position: relative; width: var(--s); height: var(--s); transform-style: preserve-3d;
  transform: scale(var(--sc)) rotateX(calc(-10deg + var(--my) * -8deg)) rotateY(calc(-26deg + var(--hy) + var(--mx) * 14deg));
  transition: transform .6s var(--ease);
}
.tool:hover .tool-cube, .tool:focus-visible .tool-cube, .tool.is-active .tool-cube { --hy: 34deg; --sc: 1.1; }
.tool-cube .layer {
  position: absolute; inset: 0; border-radius: 26px;
  transform: translateZ(calc(var(--i) * -2.4px));
  background: hsl(222 42% calc(21% - var(--i) * 1%));
  border: 1px solid rgba(255,255,255,.05);
}
.tool-cube .face {
  position: absolute; inset: 0; border-radius: 26px; display: grid; place-items: center;
  transform: translateZ(3px);
  background: linear-gradient(150deg, #243253 0%, #172038 55%, #111a2e 100%);
  border: 1px solid rgba(255,255,255,.17);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.18), inset 0 -10px 22px rgba(0,0,0,.28);
}
.tool-cube .face::after { content: ""; position: absolute; inset: 0; border-radius: inherit; background: linear-gradient(130deg, rgba(255,255,255,.14), transparent 38%); pointer-events: none; }
.tool-cube .face img { width: 56%; height: 56%; object-fit: contain; filter: drop-shadow(0 6px 8px rgba(0,0,0,.45)); }

.tool-shadow {
  position: absolute; left: 50%; top: calc(var(--s, 108px) + 78px); width: 96px; height: 20px; margin-left: -48px; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(0,0,0,.65), transparent); filter: blur(3px);
  animation: shadow var(--dur) ease-in-out var(--delay) infinite;
}
@keyframes shadow { 0%, 100% { transform: scale(1); opacity: .9; } 50% { transform: scale(.74); opacity: .5; } }

.tool-meta { text-align: center; margin-top: 30px; }
.tool-meta h3 { font-size: 1.02rem; font-weight: 600; }
.level {
  display: inline-flex; align-items: center; gap: 7px; margin-top: 8px; padding: 4px 11px; border-radius: 999px;
  font-size: .7rem; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; white-space: nowrap;
  border: 1px solid var(--border-2); color: var(--muted); transition: color .3s, border-color .3s, background-color .3s;
}
.level::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.level.proficient { color: #fff; background: rgba(52,120,246,.28); border-color: rgba(99,164,255,.6); }
.level.learning   { color: var(--accent-2); border-color: rgba(99,164,255,.38); }
.level.basic      { color: var(--muted); }
.tool:hover .level, .tool:focus-visible .level, .tool.is-active .level { border-color: var(--accent-2); }


/* 10 — WORK ================================================================ */
.work-top { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 28px; margin-bottom: 38px; }
.work-top .section-head { margin-bottom: 0; }
.filters { display: flex; flex-wrap: wrap; gap: 6px; padding: 5px; border-radius: 999px; background: rgba(16,24,42,.7); border: 1px solid var(--border); }
.filter-btn {
  padding: 9px 18px; border-radius: 999px; border: 0; background: transparent; color: var(--muted);
  font-family: var(--font-display); font-weight: 500; font-size: .88rem; transition: color .3s var(--ease), background-color .3s var(--ease);
}
.filter-btn:hover { color: #fff; }
.filter-btn.is-active { background: var(--accent); color: #fff; box-shadow: 0 6px 20px -8px rgba(52,120,246,.9); }
.work-status { color: var(--muted); font-size: .85rem; margin-bottom: 20px; min-height: 1.4em; }

/* Masonry: pure CSS columns inside each group — no JavaScript layout needed */
.work-group + .work-group { margin-top: clamp(48px, 7vw, 84px); }
.work-group-title { display: flex; align-items: center; gap: 18px; margin-bottom: 26px; font-size: .78rem; font-weight: 500; letter-spacing: .22em; text-transform: uppercase; color: var(--accent-2); }
.work-group-title::after { content: ""; flex: 1; height: 1px; background: var(--border); }
#workGrid:not([data-filter="all"]) .work-group-title { display: none; }
.work-columns { column-count: 3; column-gap: 20px; }
.project-card {
  position: relative; display: block; break-inside: avoid; margin: 0 0 20px;
  border: 1px solid var(--border); border-radius: var(--radius); background: var(--card); overflow: hidden;
  transition: transform .45s var(--ease), border-color .45s var(--ease), box-shadow .45s var(--ease);
  animation: card-in .6s var(--ease) both;
}
@keyframes card-in { from { opacity: 0; transform: translateY(18px) scale(.98); } to { opacity: 1; transform: none; } }
.project-card:hover { transform: translateY(-4px); border-color: var(--border-2); box-shadow: 0 24px 50px -26px rgba(0,0,0,.9); }
.card-media { position: relative; overflow: hidden; cursor: pointer; background: var(--bg-2); }
.card-media img { width: 100%; height: auto; transition: transform .8s var(--ease), filter .5s; }
.project-card:hover .card-media img { transform: scale(1.045); }
.card-media::after { /* hover wash */
  content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(8,11,22,.55)); opacity: 0; transition: opacity .4s var(--ease); pointer-events: none;
}
.project-card:hover .card-media::after { opacity: 1; }
.card-badge { /* "expand" cue */
  position: absolute; top: 12px; right: 12px; z-index: 2; width: 34px; height: 34px; display: grid; place-items: center; border-radius: 50%;
  background: rgba(8,11,22,.7); border: 1px solid var(--border-2); color: #fff; opacity: 0; transform: scale(.8); transition: opacity .35s var(--ease), transform .35s var(--ease);
}
.project-card:hover .card-badge, .project-card:focus-within .card-badge { opacity: 1; transform: none; }
.card-badge .icon { width: 15px; height: 15px; }

.project-info { padding: 16px 18px 18px; }
.project-info > span { display: block; font-family: var(--font-display); font-size: .68rem; font-weight: 500; letter-spacing: .2em; text-transform: uppercase; color: var(--accent-2); }
.project-info h3 { font-size: 1.1rem; margin-top: 8px; }
.project-info p { margin-top: 8px; color: var(--muted); font-size: .88rem; line-height: 1.55; }
.card-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.card-tags li { font-size: .68rem; padding: 3px 9px; border-radius: 999px; border: 1px solid var(--border); color: #cbd3e1; }
.view-project {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 14px; padding: 0; border: 0; background: none;
  font-family: var(--font-display); font-weight: 500; font-size: .86rem; color: var(--text);
}
.view-project .icon { transition: transform .3s var(--ease); color: var(--accent-2); }
.view-project:hover .icon { transform: translateX(4px); }

/* Photography cards: image only */
.project-card.photo-card { border-radius: 12px; background: transparent; }
.photo-open { position: absolute; inset: 0; z-index: 1; width: 100%; border: 0; background: transparent; padding: 0; cursor: zoom-in; border-radius: inherit; }
.photo-caption {
  position: absolute; left: 14px; bottom: 12px; z-index: 2; pointer-events: none;
  font-family: var(--font-display); font-size: .8rem; font-weight: 500; letter-spacing: .04em;
  opacity: 0; transform: translateY(6px); transition: opacity .4s var(--ease), transform .4s var(--ease);
}
.project-card.photo-card:hover .photo-caption, .project-card.photo-card:focus-within .photo-caption { opacity: 1; transform: none; }


/* 11 — DIALOGS ============================================================= */
dialog { border: 0; padding: 0; margin: auto; background: transparent; color: var(--text); max-width: none; max-height: none; overflow: visible; }
dialog::backdrop { background: rgba(4,6,14,.84); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
dialog[open] { animation: fade-in .3s var(--ease); }
dialog[open]::backdrop { animation: fade-in .3s var(--ease); }
dialog.is-closing, dialog.is-closing::backdrop { animation: fade-out .2s ease forwards; }
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes fade-out { to { opacity: 0; } }
dialog[open] .pm, dialog[open] .cv-panel { animation: pop .45s var(--ease); }
@keyframes pop { from { opacity: 0; transform: translateY(24px) scale(.97); } to { opacity: 1; transform: none; } }

.icon-btn {
  display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid var(--border-2); background: rgba(14,20,36,.82); color: #fff;
  transition: background-color .3s var(--ease), border-color .3s var(--ease), transform .3s var(--ease);
}
.icon-btn:hover { background: var(--accent); border-color: var(--accent); }
.icon-btn:disabled { opacity: .35; pointer-events: none; }
.icon-btn .icon { width: 18px; height: 18px; }

/* Project modal */
.pm {
  position: relative; width: min(1120px, calc(100vw - 24px)); max-height: calc(100dvh - 24px);
  display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); grid-template-rows: minmax(0, 1fr);
  background: var(--bg-2); border: 1px solid var(--border-2); border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: 0 50px 100px -30px rgba(0,0,0,.9);
}
.pm-media { display: flex; flex-direction: column; gap: 12px; padding: 18px; background: #0a0f1d; min-height: 0; }
.pm-stage { flex: 1; min-height: 0; display: grid; place-items: center; border-radius: 12px; overflow: hidden; background: #0d1426; }
.pm-stage img { max-width: 100%; max-height: calc(100dvh - 24px - 36px - 14px - var(--thumbs-h, 0px)); width: auto; height: auto; object-fit: contain; animation: fade-in .4s var(--ease); }
.pm-thumbs { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 2px; }
.pm-thumbs:empty { display: none; }
.pm-thumbs button { flex: none; width: 82px; height: 54px; padding: 0; border-radius: 8px; overflow: hidden; border: 1px solid var(--border); opacity: .6; background: none; transition: opacity .3s, border-color .3s; }
.pm-thumbs button img { width: 100%; height: 100%; object-fit: cover; }
.pm-thumbs button:hover { opacity: 1; }
.pm-thumbs button[aria-current="true"] { opacity: 1; border-color: var(--accent-2); }
.pm-info { display: flex; flex-direction: column; min-height: 0; overflow-y: auto; padding: 30px 30px 22px; overscroll-behavior: contain; }
.pm-cat { font-family: var(--font-display); font-size: .7rem; letter-spacing: .22em; text-transform: uppercase; color: var(--accent-2); padding-right: 52px; }
.pm-title { font-size: clamp(1.6rem, 2.8vw, 2.2rem); margin: 12px 0 16px; padding-right: 20px; }
.pm-body p { color: #c3ccdb; font-size: .95rem; margin-bottom: 14px; }
.pm-body h4 { font-size: .72rem; font-weight: 500; letter-spacing: .22em; text-transform: uppercase; color: var(--muted); margin: 22px 0 12px; }
.feature-list { display: grid; gap: 9px; }
.feature-list li { position: relative; padding-left: 22px; color: #c3ccdb; font-size: .9rem; }
.feature-list li::before { content: ""; position: absolute; left: 2px; top: .55em; width: 9px; height: 5px; border-left: 2px solid var(--accent-2); border-bottom: 2px solid var(--accent-2); transform: rotate(-45deg) translateY(-2px); }
.pd-note { padding: 12px 14px; border-radius: 10px; border: 1px solid var(--border); background: rgba(255,255,255,.03); color: var(--muted) !important; font-size: .84rem !important; }
.pd-actions { position: sticky; bottom: 0; z-index: 2; display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; padding: 22px 0 6px; background: linear-gradient(to bottom, transparent, var(--bg-2) 38%); }
.pm-nav { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: auto; padding-top: 24px; }
.pm-nav .count { font-size: .8rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.pm-nav .pair { display: flex; gap: 8px; }
.pm > .pm-close, .lb-close { position: absolute; top: 14px; right: 14px; z-index: 5; }

/* Photo lightbox + certificate viewer */
.lb { position: fixed; inset: 0; display: grid; grid-template-rows: auto minmax(0, 1fr) auto; width: 100vw; height: 100dvh; background: transparent; }
.lb-top { display: flex; align-items: center; justify-content: space-between; padding: 16px clamp(14px, 3vw, 28px); }
.lb-count { font-family: var(--font-display); font-size: .8rem; letter-spacing: .2em; color: var(--muted); font-variant-numeric: tabular-nums; }
.lb-close { position: static; }
.lb-main { position: relative; display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; grid-template-rows: minmax(0, 1fr); gap: clamp(8px, 2vw, 24px); padding-inline: clamp(10px, 3vw, 32px); min-height: 0; }
.lb-figure { min-height: 0; height: 100%; display: grid; place-items: center; touch-action: pan-y; }
.lb-figure img { max-width: 100%; max-height: calc(100dvh - 150px); width: auto; height: auto; object-fit: contain; border-radius: 6px; box-shadow: 0 30px 80px -20px rgba(0,0,0,.8); animation: fade-in .35s var(--ease); user-select: none; -webkit-user-drag: none; }
.lb-bottom { padding: 14px clamp(14px, 3vw, 28px) 20px; text-align: center; }
.lb-caption { font-family: var(--font-display); font-size: .95rem; }
.lb-sub { color: var(--muted); font-size: .84rem; margin-top: 2px; }
.lb-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin-top: 14px; }

/* 12 — CERTIFICATES ======================================================= */
.cert-list { display: grid; gap: 24px; max-width: 980px; margin-inline: auto; }
.certificate-card {
  display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: clamp(22px, 4vw, 48px); align-items: center;
  padding: clamp(14px, 2vw, 22px); border: 1px solid var(--border); border-radius: var(--radius-lg); background: rgba(20,29,48,.6);
  transition: border-color .4s var(--ease), transform .4s var(--ease);
}
.certificate-card:hover { border-color: var(--border-2); transform: translateY(-3px); }
.cert-preview { display: block; padding: 0; border: 0; border-radius: 12px; overflow: hidden; background: var(--bg-2); cursor: zoom-in; position: relative; }
.cert-preview img { width: 100%; transition: transform .8s var(--ease); }
.certificate-card:hover .cert-preview img { transform: scale(1.03); }
.certificate-info { padding: 6px clamp(4px, 1vw, 14px) 6px 0; }
.certificate-info .kicker { font-family: var(--font-display); font-size: .7rem; letter-spacing: .22em; text-transform: uppercase; color: var(--accent-2); }
.certificate-info h3 { font-size: clamp(1.3rem, 2.3vw, 1.7rem); margin: 12px 0 14px; }
.certificate-info p { color: #c3ccdb; }
.certificate-info .cert-date { display: block; margin-top: 4px; color: var(--muted); font-size: .88rem; }
.cert-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }


/* 13 — CONTACT ============================================================= */
.contact-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: clamp(32px, 6vw, 88px); align-items: start; }
.contact-copy h2 { font-size: clamp(2.2rem, 5vw, 3.8rem); margin: 16px 0 20px; }
.contact-copy > p { color: var(--muted); font-size: 1.08rem; max-width: 44ch; }
.contact-list { margin-top: 36px; display: grid; gap: 12px; }
.contact-list a, .contact-list .row {
  display: flex; align-items: center; gap: 16px; padding: 14px 16px; border: 1px solid var(--border); border-radius: var(--radius); background: rgba(20,29,48,.5);
  transition: border-color .3s var(--ease), transform .3s var(--ease), background-color .3s var(--ease);
}
.contact-list a:hover { border-color: rgba(99,164,255,.55); transform: translateX(4px); background: rgba(52,120,246,.08); }
.contact-list .ico { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: rgba(52,120,246,.14); color: var(--accent-2); flex: none; }
.contact-list small { display: block; color: var(--muted); font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; }
.contact-list span.val { display: block; font-size: .96rem; word-break: break-word; }

.contact-form { padding: clamp(22px, 3vw, 34px); border: 1px solid var(--border); border-radius: var(--radius-lg); background: rgba(20,29,48,.72); display: grid; gap: 18px; }
.field { display: grid; gap: 8px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field label { font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); font-family: var(--font-display); }
.field input, .field textarea {
  width: 100%; padding: 13px 14px; border-radius: 10px; border: 1px solid var(--border-2); background: rgba(8,11,22,.6); color: var(--text); font: inherit; font-size: .96rem;
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.field textarea { min-height: 150px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: #667188; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--accent-2); box-shadow: 0 0 0 3px rgba(99,164,255,.2); }
.form-note { color: var(--muted); font-size: .82rem; }
.form-status { min-height: 1.4em; font-size: .86rem; color: var(--accent-2); }


/* 14 — FOOTER + BACK TO TOP ================================================ */
.footer { border-top: 1px solid var(--border); padding: 44px 0 36px; }
.footer-inner { display: grid; grid-template-columns: 1fr auto; gap: 28px 40px; align-items: center; }
.footer-brand b { font-family: var(--font-display); font-size: 1.3rem; letter-spacing: .1em; }
.footer-brand b span { color: var(--accent-2); }
.footer-brand p { color: var(--muted); font-size: .92rem; margin-top: 6px; }
.footer-bottom { grid-column: 1 / -1; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; padding-top: 24px; border-top: 1px solid var(--border); color: var(--muted); font-size: .82rem; }
.to-top {
  position: fixed; right: clamp(16px, 3vw, 32px); bottom: clamp(16px, 3vw, 32px); z-index: 90;
  width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center;
  background: rgba(14,20,36,.82); border: 1px solid var(--border-2); color: #fff;
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  opacity: 0; visibility: hidden; transform: translateY(12px);
  transition: opacity .4s var(--ease), transform .4s var(--ease), visibility .4s, background-color .3s, border-color .3s;
}
.to-top.show { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--accent); border-color: var(--accent); }
.to-top .icon { width: 18px; height: 18px; }


/* 15 — REVEAL ANIMATIONS =================================================== */
.js .reveal { opacity: 0; transform: translateY(28px); transition: opacity .9s var(--ease), transform .9s var(--ease); transition-delay: var(--d, 0s); }
.js .reveal.in { opacity: 1; transform: none; }


/* 16 — RESPONSIVE ========================================================== */
@media (max-width: 1060px) {
  .work-columns { column-count: 2; }
  .about-grid { grid-template-columns: 1fr; }
  .about-visual { position: static; max-width: 440px; }
}

@media (max-width: 900px) {
  :root { --nav-offset: 84px; }

  /* Mobile navigation: pill becomes brand + menu button, links drop down */
  .nav-wrap { top: 12px; padding-inline: 12px; }
  .nav { width: 100%; max-width: 520px; justify-content: space-between; padding: 6px 6px 6px 20px; }
  .nav-brand { border-right: 0; margin: 0; padding: 0; }
  .nav-toggle {
    display: grid; place-content: center; gap: 5px; width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--border-2); background: rgba(255,255,255,.04);
  }
  .nav-toggle span { display: block; width: 16px; height: 1.5px; background: #fff; transition: transform .35s var(--ease), opacity .3s; }
  .nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.25px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:last-child  { transform: translateY(-3.25px) rotate(-45deg); }
  .nav-menu {
    position: absolute; top: calc(100% + 10px); left: 0; right: 0; flex-direction: column; align-items: stretch; padding: 8px;
    border-radius: 22px; background: rgba(10,15,28,.98); border: 1px solid var(--border);
    -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px); box-shadow: 0 24px 60px -20px rgba(0,0,0,.8);
    opacity: 0; visibility: hidden; transform: translateY(-8px); transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s;
  }
  .nav-menu.open { opacity: 1; visibility: visible; transform: none; }
  .nav-menu a { padding: 14px 18px; font-size: 1rem; border-radius: 14px; }
  .nav-menu a.active { background: rgba(52,120,246,.2); }
  .nav-indicator { display: none; }

  .hero { min-height: auto; padding-top: 112px; }
  .hero-grid { grid-template-columns: 1fr; gap: 20px; }
  .hero-stage { --cw: min(250px, 64vw); --strap: 120px; margin-top: 6px; height: calc(var(--strap) + var(--ch) + 60px); }
  .lanyard, .lanyard-anchor { top: -10px; }
  .scroll-hint { display: none; }

  .contact-grid, .certificate-card { grid-template-columns: 1fr; }
  .certificate-info { padding: 4px 6px 8px; }

}

/* Project modal stacks and scrolls as one on tall, narrow screens */
@media (max-width: 900px) and (min-height: 561px) {
  .pm { grid-template-columns: 1fr; grid-template-rows: none; overflow-y: auto; overscroll-behavior: contain; }
  .pm-media { padding: 12px; }
  .pm-stage img { max-height: 56dvh; }
  .pm-info { overflow: visible; padding: 22px 20px 20px; }
}

/* Short screens (landscape phones): keep two columns, tighter spacing */
@media (max-height: 560px) {
  .pm { grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); }
  .pm-media { padding: 10px; }
  .pm-info { padding: 18px 18px 14px; }
  .pm-title { font-size: 1.35rem; margin: 8px 0 10px; }
  .pm-body p, .feature-list li { font-size: .84rem; }
  .lb-top { padding-block: 8px; }
  .lb-bottom { padding-block: 6px 10px; }
  .lb-figure img { max-height: calc(100dvh - 110px); }
}

@media (max-width: 720px) {
  .tools-stage { flex-wrap: wrap; gap: 44px 20px; padding: 36px 0 70px; }
  .tool { width: calc(50% - 10px); --lift: 0px !important; gap: 22px; }
  .tool-cube { --s: 92px; }
  .tool-shadow { top: 150px; }
  .tools-floor { height: 160px; }
}

@media (max-width: 640px) {
  .work-columns { column-gap: 12px; }
  .project-card { margin-bottom: 12px; }
  .project-info { padding: 12px 12px 14px; }
  .project-info h3 { font-size: .95rem; }
  .project-info p, .card-tags { display: none; }
  .view-project { margin-top: 10px; font-size: .8rem; }
  .filters { width: 100%; display: grid; grid-template-columns: 1fr 1fr; border-radius: 22px; }
  .filter-btn { padding: 10px 8px; font-size: .84rem; white-space: nowrap; }
  .about-blocks { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .stats { gap: 8px; }
  .stat { padding: 14px 12px; }
  .footer-inner { grid-template-columns: 1fr; }
  .lb-main { grid-template-columns: minmax(0, 1fr); }
  .lb-main .lb-prev, .lb-main .lb-next { position: absolute; bottom: 8px; z-index: 3; }
  .lb-main .lb-prev { left: 14px; } .lb-main .lb-next { right: 14px; }
  .lb-figure { padding-bottom: 56px; }
}

@media (max-height: 640px) and (min-width: 901px) {
  .hero-stage { --cw: 200px; --strap: 100px; }
}


/* 17 — REDUCED MOTION ===================================================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .tool-float, .tool-shadow, .scroll-hint i { animation: none !important; }
  .js .reveal { opacity: 1; transform: none; }
  .js .preloader { display: none; }
}