/* ================================================================
   PREMIUM PORTFOLIO — theme.css
   Jacques Leemans | Full-Stack Game Developer
   ================================================================ */

/* ---- VARIABLES ---- */
:root {
  --bg:          #06060b;
  --surface:     #0b0b15;
  --card:        #111122;
  --card-hover:  #161628;
  --border:      #1e1e34;
  --border-mid:  #2b2b48;

  --text:        #eeeef8;
  --text-soft:   #7878a0;
  --muted:       #44445e;

  --accent:      #6366f1;
  --cyan:        #22d3ee;
  --purple:      #a78bfa;
  --green:       #34d399;
  --red:         #f87171;

  --glow-accent: 0 0 32px rgba(99, 102, 241, 0.32);

  --font:  'Space Grotesk', 'Inter', system-ui, sans-serif;
  --mono:  'JetBrains Mono', 'Fira Code', monospace;

  --nav-h:  64px;
  --max-w:  1040px;
  --r:      10px;
  --r-lg:   16px;

  --spring: cubic-bezier(0.16, 1, 0.3, 1);
  --ease:   cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
ul, ol { list-style: none; }
button { background: none; border: none; font-family: inherit; color: inherit; }
input, textarea { font-family: var(--font); }

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-mid); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ---- CUSTOM CURSOR (desktop with fine pointer only) ---- */
@media (hover: hover) and (pointer: fine) {
  body, button, a { cursor: none; }
}

.c-ring {
  display: none;
  position: fixed; top: 0; left: 0;
  width: 40px; height: 40px;
  border: 1.5px solid rgba(99, 102, 241, 0.55);
  border-radius: 50%;
  pointer-events: none; z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width 0.3s var(--spring), height 0.3s var(--spring),
              border-color 0.25s, background 0.25s;
  will-change: transform;
}
.c-dot {
  display: none;
  position: fixed; top: 0; left: 0;
  width: 5px; height: 5px;
  background: var(--cyan); border-radius: 50%;
  pointer-events: none; z-index: 9999;
  transform: translate(-50%, -50%);
  will-change: transform;
}
@media (hover: hover) and (pointer: fine) {
  .c-ring { display: block; }
  .c-dot  { display: block; }
}
.c-ring.hover {
  width: 60px; height: 60px;
  border-color: var(--accent);
  background: rgba(99, 102, 241, 0.04);
}
.c-ring.down {
  width: 26px; height: 26px;
  background: rgba(99, 102, 241, 0.14);
}

/* ---- LAYOUT ---- */
.container {
  width: 100%; max-width: var(--max-w);
  margin: 0 auto; padding: 0 2rem;
}

/* ---- SECTION STRUCTURE ---- */
section { padding: 96px 0; position: relative; }
section:nth-of-type(even) { background: var(--surface); }

.section-eyebrow {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 14px;
}
.s-num {
  font-family: var(--mono); font-size: 0.68rem;
  color: var(--accent); letter-spacing: 0.08em; opacity: 0.8;
}
.s-label {
  font-size: 0.68rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.14em; color: var(--text-soft);
}
.s-line {
  flex: 1; height: 1px;
  background: linear-gradient(90deg, var(--border-mid), transparent);
}

.section-heading {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 700; letter-spacing: -0.03em;
  line-height: 1.1; margin-bottom: 48px;
}

/* ---- NAVIGATION ---- */
header#nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100; height: var(--nav-h);
  border-bottom: 1px solid transparent;
  transition: background 0.4s, border-color 0.4s;
}
header#nav.scrolled {
  background: rgba(6, 6, 11, 0.88);
  backdrop-filter: blur(24px) saturate(200%);
  -webkit-backdrop-filter: blur(24px) saturate(200%);
  border-bottom-color: var(--border);
}

.nav-inner {
  display: flex; align-items: center;
  justify-content: space-between; height: var(--nav-h);
}

.nav-brand {
  font-size: 1.05rem; font-weight: 700;
  letter-spacing: -0.02em; white-space: nowrap;
  transition: opacity 0.2s;
}
.nav-brand:hover { opacity: 0.65; }
.nav-brand .dot { color: var(--accent); }

.nav-desktop { display: flex; align-items: center; gap: 2px; }
.nav-desktop .nav-link {
  padding: 7px 13px; font-size: 0.85rem; font-weight: 500;
  color: var(--text-soft); border-radius: 8px;
  transition: color 0.2s, background 0.2s; letter-spacing: 0.01em;
}
.nav-desktop .nav-link:hover { color: var(--text); background: rgba(255,255,255,0.05); }
.nav-desktop .nav-link.active { color: var(--cyan); }

.nav-burger {
  display: none; flex-direction: column; gap: 5px;
  padding: 10px; border-radius: 8px; transition: background 0.2s;
}
.nav-burger:hover { background: rgba(255,255,255,0.06); }
.nav-burger span {
  display: block; width: 22px; height: 1.5px;
  background: var(--text); border-radius: 2px;
  transition: transform 0.35s var(--spring), opacity 0.25s;
}
.nav-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.nav-mobile {
  position: fixed; inset: 0; z-index: 99;
  background: var(--bg);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 6px;
  transform: translateX(100%);
  transition: transform 0.5s var(--spring);
}
.nav-mobile.open { transform: translateX(0); }
.nav-mobile .nav-link {
  font-size: clamp(1.8rem, 8vw, 3rem); font-weight: 700;
  letter-spacing: -0.04em; color: var(--text);
  padding: 6px 24px; border-radius: var(--r);
  transition: color 0.2s, transform 0.4s var(--spring), opacity 0.4s;
  opacity: 0; transform: translateX(50px);
}
.nav-mobile.open .nav-link { opacity: 1; transform: translateX(0); }
.nav-mobile.open .nav-link:nth-child(1) { transition-delay: 0.08s; }
.nav-mobile.open .nav-link:nth-child(2) { transition-delay: 0.13s; }
.nav-mobile.open .nav-link:nth-child(3) { transition-delay: 0.18s; }
.nav-mobile.open .nav-link:nth-child(4) { transition-delay: 0.23s; }
.nav-mobile.open .nav-link:nth-child(5) { transition-delay: 0.28s; }
.nav-mobile.open .nav-link:nth-child(6) { transition-delay: 0.33s; }
.nav-mobile .nav-link:hover { color: var(--accent); }

/* ---- HERO ---- */
#section-about {
  min-height: 100vh;
  display: flex; align-items: center;
  padding-top: var(--nav-h); padding-bottom: 0;
  overflow: hidden;
}

#hero-canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  z-index: 0; pointer-events: none;
}

#section-about::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 75% 85% at 48% 50%,
    transparent 20%, rgba(6,6,11,0.6) 100%);
  pointer-events: none; z-index: 1;
}

#section-about > .container {
  position: relative; z-index: 2;
  padding-top: 40px; padding-bottom: 80px; width: 100%;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center; gap: 64px;
}

.hero-eyebrow { display: flex; align-items: center; gap: 12px; margin-bottom: 22px; }

.hero-chip {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 5px 13px;
  font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent);
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.28);
  border-radius: 100px;
}
.hero-chip i { font-size: 0.72rem; }

.hero-avail {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 0.7rem; font-weight: 500; color: var(--green);
}
.hero-avail::before {
  content: ''; width: 6px; height: 6px;
  background: var(--green); border-radius: 50%;
  box-shadow: 0 0 8px var(--green);
  animation: blink 2.5s ease-in-out infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.2; }
}

.hero-name {
  font-size: clamp(3.8rem, 9.5vw, 7.5rem);
  font-weight: 700; letter-spacing: -0.045em;
  line-height: 0.95; margin-bottom: 18px; overflow: hidden;
}
.hero-name-line { display: block; }
.hn-gradient {
  background: linear-gradient(110deg, var(--accent) 0%, var(--cyan) 55%, var(--purple) 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: var(--accent);
}
@supports (-webkit-background-clip: text) or (background-clip: text) {
  .hn-gradient { color: transparent; }
}

.hero-subtitle {
  font-size: 1.15rem; font-weight: 500;
  color: var(--text-soft); letter-spacing: -0.01em; margin-bottom: 18px;
}

.hero-bio {
  font-size: 0.93rem; color: var(--text-soft);
  line-height: 1.78; max-width: 500px; margin-bottom: 34px;
}
.hero-bio p { margin-bottom: 0.6em; }
.hero-bio p:last-child { margin-bottom: 0; }

.hero-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

/* Buttons */
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px;
  background: var(--accent); color: #fff;
  font-family: var(--font); font-weight: 600; font-size: 0.88rem;
  border-radius: var(--r); border: 1px solid transparent;
  transition: background 0.25s, box-shadow 0.25s, transform 0.2s var(--spring);
  letter-spacing: 0.01em;
}
.btn-primary:hover {
  background: #5052d6;
  box-shadow: var(--glow-accent);
  transform: translateY(-2px);
}

.btn-ghost {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px;
  background: transparent; color: var(--text);
  font-family: var(--font); font-weight: 500; font-size: 0.88rem;
  border-radius: var(--r); border: 1px solid var(--border-mid);
  transition: border-color 0.25s, color 0.25s, background 0.25s, transform 0.2s var(--spring);
}
.btn-ghost:hover {
  border-color: var(--accent); color: var(--accent);
  background: rgba(99, 102, 241, 0.07);
  transform: translateY(-2px);
}
.btn-ghost i { transition: transform 0.2s; }
.btn-ghost:hover i { transform: translateX(3px); }

/* Hero photo frame */
.hero-visual { flex-shrink: 0; }

.hero-photo-frame {
  position: relative; width: 270px; height: 270px;
}

.hud-tl, .hud-br {
  position: absolute; z-index: 3;
  font-family: var(--mono); font-size: 0.6rem;
  font-weight: 500; letter-spacing: 0.1em;
  text-transform: uppercase; padding: 5px 8px; line-height: 1;
  pointer-events: none;
}
.hud-tl { top: -10px; left: -10px; color: var(--cyan); border-top: 1.5px solid var(--cyan); border-left: 1.5px solid var(--cyan); }
.hud-br { bottom: -10px; right: -10px; color: var(--accent); border-bottom: 1.5px solid var(--accent); border-right: 1.5px solid var(--accent); }

.hero-photo {
  width: 270px; height: 270px;
  object-fit: cover; border-radius: var(--r-lg);
  position: relative; z-index: 1;
  filter: grayscale(25%) contrast(1.05);
  transition: filter 0.5s;
}
.hero-photo-frame:hover .hero-photo { filter: grayscale(0%) contrast(1); }

.photo-bg-glow {
  position: absolute; inset: -32px;
  background: radial-gradient(circle at 50% 50%,
    rgba(99,102,241,0.22) 0%, rgba(34,211,238,0.08) 45%, transparent 70%);
  z-index: 0; pointer-events: none; border-radius: 50%;
}

.hero-scroll {
  position: absolute; bottom: 32px; left: 50%;
  transform: translateX(-50%); z-index: 2;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  opacity: 0.45; transition: opacity 0.3s; text-decoration: none;
}
.hero-scroll:hover { opacity: 0.9; }
.scroll-bar {
  width: 1px; height: 44px;
  background: linear-gradient(to bottom, transparent, var(--text-soft));
  animation: scrollAnim 2.4s ease-in-out infinite;
}
@keyframes scrollAnim {
  0%   { transform: scaleY(0); transform-origin: top;    }
  49%  { transform: scaleY(1); transform-origin: top;    }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}
.scroll-label {
  font-family: var(--mono); font-size: 0.58rem;
  letter-spacing: 0.22em; color: var(--text-soft); text-transform: uppercase;
}

/* ---- ACCORDION ---- */
.accordion-list { display: flex; flex-direction: column; gap: 8px; }

.accordion-item {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r-lg); overflow: hidden;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.accordion-item:hover { border-color: var(--border-mid); }
.accordion-item.open {
  border-color: rgba(99, 102, 241, 0.35);
  box-shadow: 0 0 0 1px rgba(99,102,241,0.07),
              inset 0 0 50px rgba(99,102,241,0.022);
}

.accordion-trigger {
  width: 100%; display: flex; align-items: center;
  justify-content: space-between; gap: 16px; padding: 20px 24px;
  text-align: left; color: var(--text); transition: background 0.2s;
}
.accordion-trigger:hover { background: rgba(255,255,255,0.015); }

.accordion-left { flex: 1; min-width: 0; }
.accordion-right { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }

.accordion-title {
  font-size: 1rem; font-weight: 600;
  letter-spacing: -0.015em; display: block;
}
.accordion-sub-row {
  display: flex; align-items: center; gap: 8px; margin-top: 4px; flex-wrap: wrap;
}
.accordion-sub { font-size: 0.82rem; color: var(--text-soft); }
.accordion-sub a { color: var(--cyan); transition: opacity 0.2s; }
.accordion-sub a:hover { opacity: 0.7; }

.role-badge {
  display: inline-flex; align-items: center; padding: 2px 9px;
  font-size: 0.68rem; font-weight: 600; border-radius: 100px;
  background: rgba(34,211,238,0.08); color: var(--cyan);
  border: 1px solid rgba(34,211,238,0.2); letter-spacing: 0.04em;
  white-space: nowrap;
}

.exp-dates {
  font-family: var(--mono); font-size: 0.72rem;
  color: var(--muted); white-space: nowrap; letter-spacing: 0.02em;
}

.accordion-chevron {
  font-size: 0.85rem; color: var(--muted);
  transition: transform 0.4s var(--spring), color 0.3s; flex-shrink: 0;
}
.accordion-item.open .accordion-chevron { transform: rotate(180deg); color: var(--accent); }

.accordion-body { max-height: 0; overflow: hidden; transition: max-height 0.5s var(--spring); }
.accordion-body-inner { padding: 0 24px 24px; border-top: 1px solid var(--border); }
.accordion-body-inner p {
  font-size: 0.91rem; color: var(--text-soft); line-height: 1.78; margin-bottom: 0.7em;
}
.accordion-body-inner p:last-child { margin-bottom: 0; }
.accordion-body-inner ul { padding-left: 1.25em; list-style: disc; margin-bottom: 0.7em; }
.accordion-body-inner li { font-size: 0.91rem; color: var(--text-soft); line-height: 1.72; margin-bottom: 0.3em; }
.accordion-body-inner strong { color: var(--text); }
.accordion-body-inner h3, .accordion-body-inner h4 {
  font-size: 0.88rem; font-weight: 600; color: var(--text); margin: 1em 0 0.5em;
}

.skill-wrap { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 18px; }
.skill-badge {
  display: inline-flex; align-items: center; padding: 3px 10px;
  font-size: 0.7rem; font-weight: 500; font-family: var(--mono);
  color: var(--purple); background: rgba(167,139,250,0.07);
  border: 1px solid rgba(167,139,250,0.18); border-radius: 6px;
  letter-spacing: 0.02em;
  transition: background 0.2s, border-color 0.2s, transform 0.15s;
}
.skill-badge:hover {
  background: rgba(167,139,250,0.14); border-color: rgba(167,139,250,0.3); transform: translateY(-1px);
}

/* Reviews */
.review-body blockquote {
  border-left: 2px solid var(--accent); padding-left: 16px; margin-bottom: 16px;
}
.review-body blockquote p {
  font-size: 0.93rem; color: var(--text-soft); line-height: 1.78;
  font-style: italic; margin-bottom: 0.5em;
}
.review-body blockquote p:last-child { margin-bottom: 0; }
.review-footer { font-size: 0.76rem; color: var(--muted); font-family: var(--mono); letter-spacing: 0.02em; }

/* ---- EDUCATION ---- */
.edu-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

.edu-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 28px 26px;
  transition: border-color 0.3s, transform 0.38s var(--spring), box-shadow 0.38s;
}
.edu-card:hover {
  border-color: var(--border-mid); transform: translateY(-6px);
  box-shadow: 0 24px 64px rgba(0,0,0,0.45);
}

.edu-icon {
  width: 46px; height: 46px; border-radius: 11px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem; margin-bottom: 18px;
}
.edu-card:nth-child(1) .edu-icon { background: rgba(99,102,241,0.1);   border: 1px solid rgba(99,102,241,0.22);   color: var(--accent); }
.edu-card:nth-child(2) .edu-icon { background: rgba(34,211,238,0.08);  border: 1px solid rgba(34,211,238,0.2);   color: var(--cyan);   }
.edu-card:nth-child(3) .edu-icon { background: rgba(167,139,250,0.08); border: 1px solid rgba(167,139,250,0.2); color: var(--purple); }

.edu-title { font-size: 0.95rem; font-weight: 600; color: var(--text); margin-bottom: 6px; letter-spacing: -0.01em; line-height: 1.35; }
.edu-org   { font-size: 0.8rem; color: var(--cyan); font-weight: 500; margin-bottom: 8px; }
.edu-desc  { font-size: 0.82rem; color: var(--text-soft); line-height: 1.65; margin-bottom: 14px; }
.edu-link  {
  font-size: 0.78rem; font-weight: 600; color: var(--accent);
  display: inline-flex; align-items: center; gap: 5px;
  transition: gap 0.2s, color 0.2s; letter-spacing: 0.02em;
}
.edu-link:hover { gap: 9px; color: var(--cyan); }

/* ---- CONTACT ---- */
#section-contact .contact-grid {
  display: grid; grid-template-columns: 1fr 1.5fr; gap: 60px; align-items: start;
}

.contact-label {
  font-size: 0.73rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--text-soft); margin-bottom: 10px;
}
.contact-kicker { font-size: 0.9rem; color: var(--text-soft); line-height: 1.72; margin-bottom: 28px; max-width: 280px; }

.social-list { display: flex; flex-direction: column; gap: 10px; }
.social-list-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 13px 16px; background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r); color: var(--text-soft);
  font-size: 0.88rem; font-weight: 500;
  transition: border-color 0.25s, color 0.25s, background 0.25s, transform 0.2s var(--spring);
}
.social-list-item span { display: flex; align-items: center; gap: 10px; }
.social-list-item i:first-child { font-size: 1.05rem; color: var(--accent); }
.social-list-item .bi-arrow-up-right {
  font-size: 0.8rem; opacity: 0; transform: translate(-3px, 3px);
  transition: opacity 0.2s, transform 0.2s; color: var(--cyan);
}
.social-list-item:hover {
  border-color: var(--accent); color: var(--text); background: var(--card-hover); transform: translateX(4px);
}
.social-list-item:hover .bi-arrow-up-right { opacity: 1; transform: translate(0, 0); }

.contact-form-wrap { display: flex; flex-direction: column; gap: 14px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label { font-size: 0.72rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-soft); }
.form-label span { color: var(--accent); }
.form-control {
  width: 100%; background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r); padding: 12px 15px; font-size: 0.9rem; color: var(--text);
  outline: none; resize: none;
  transition: border-color 0.25s, box-shadow 0.25s; -webkit-appearance: none;
}
.form-control::placeholder { color: var(--muted); }
.form-control:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(99,102,241,0.12); }
textarea.form-control { min-height: 130px; }

.btn-submit {
  align-self: flex-start;
  display: inline-flex; align-items: center; gap: 8px; padding: 13px 26px;
  background: var(--accent); color: #fff;
  font-family: var(--font); font-weight: 600; font-size: 0.9rem;
  border-radius: var(--r); border: 1px solid transparent;
  transition: background 0.25s, box-shadow 0.25s, transform 0.2s var(--spring);
  letter-spacing: 0.01em;
}
.btn-submit:hover { background: #5052d6; box-shadow: var(--glow-accent); transform: translateY(-2px); }
.btn-submit:disabled { opacity: 0.5; transform: none; }

#form-message { display: none; font-size: 0.84rem; padding: 10px 14px; border-radius: var(--r); }
#form-message.success { display: block; color: var(--green); background: rgba(52,211,153,0.08); border: 1px solid rgba(52,211,153,0.22); }
#form-message.error   { display: block; color: var(--red);   background: rgba(248,113,113,0.08); border: 1px solid rgba(248,113,113,0.22); }

/* ---- FOOTER ---- */
footer { border-top: 1px solid var(--border); padding: 28px 0; background: var(--surface); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer-brand { font-size: 0.9rem; font-weight: 600; color: var(--text-soft); }
.footer-brand .dot { color: var(--accent); }
.footer-copy { font-size: 0.8rem; color: var(--text-soft); }
.footer-tech { font-family: var(--mono); font-size: 0.7rem; color: var(--muted); }

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  .nav-desktop { display: none; }
  .nav-burger  { display: flex; }
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero-visual { order: -1; }
  .hero-photo-frame, .hero-photo { width: 190px; height: 190px; }
  .edu-grid { grid-template-columns: 1fr; gap: 14px; }
  #section-contact .contact-grid { grid-template-columns: 1fr; gap: 36px; }
}

@media (max-width: 600px) {
  section { padding: 72px 0; }
  .section-heading { margin-bottom: 36px; }
  .hero-name { font-size: clamp(3rem, 15vw, 4.5rem); }
  .accordion-trigger { padding: 16px 18px; gap: 10px; }
  .accordion-body-inner { padding: 0 18px 20px; }
  .accordion-right { flex-direction: column; align-items: flex-end; gap: 4px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-tech { display: none; }
  .footer-inner { flex-direction: column; align-items: flex-start; gap: 6px; }
}

@media (max-width: 400px) {
  .hero-photo-frame, .hero-photo { width: 150px; height: 150px; }
  .hud-tl { top: -6px; left: -6px; font-size: 0.52rem; }
  .hud-br { bottom: -6px; right: -6px; font-size: 0.52rem; }
}

/* ================================================================
   SKILLS PAGES
   ================================================================ */

/* ---- Linked skill badge ---- */
a.skill-badge-link {
  text-decoration: none;
  cursor: pointer;
  transition: background 0.18s, color 0.18s, border-color 0.18s, box-shadow 0.18s;
}
a.skill-badge-link:hover {
  background: rgba(99, 102, 241, 0.2);
  color: var(--accent);
  border-color: rgba(99, 102, 241, 0.5);
  box-shadow: 0 0 0 1px rgba(99,102,241,0.2);
}
.skill-badge-active {
  background: rgba(99, 102, 241, 0.18) !important;
  color: var(--accent) !important;
  border-color: rgba(99, 102, 241, 0.5) !important;
  font-weight: 600;
}

/* ---- Skills index section ---- */
.skills-index-section {
  padding: 120px 0 80px;
  min-height: 100vh;
}
.skills-index-intro {
  color: var(--text-soft);
  font-size: 1rem;
  margin-bottom: 48px;
  max-width: 560px;
}

/* ---- Skills grid ---- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  margin-bottom: 56px;
}
.skill-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 22px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  text-decoration: none;
  color: var(--text);
  transition: background 0.2s, border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.skill-card:hover {
  background: var(--card-hover);
  border-color: rgba(99, 102, 241, 0.4);
  transform: translateY(-2px);
  box-shadow: var(--glow-accent);
}
.skill-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.skill-card-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}
.skill-years-badge {
  display: inline-block;
  padding: 3px 10px;
  background: rgba(99, 102, 241, 0.12);
  color: var(--accent);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: 20px;
  font-size: 0.72rem;
  font-family: var(--mono);
  font-weight: 500;
  white-space: nowrap;
}
.skill-years-lg {
  font-size: 0.8rem;
  padding: 5px 14px;
}
.skill-card-summary {
  font-size: 0.82rem;
  color: var(--text-soft);
  line-height: 1.55;
  flex: 1;
  margin: 0;
}
.skill-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 4px;
}
.skill-project-count {
  font-size: 0.75rem;
  color: var(--muted);
  font-family: var(--mono);
}
.skill-arrow {
  color: var(--accent);
  font-size: 0.85rem;
  opacity: 0;
  transition: opacity 0.2s, transform 0.2s;
}
.skill-card:hover .skill-arrow {
  opacity: 1;
  transform: translateX(4px);
}

/* ---- Skills back row ---- */
.skills-back-row {
  display: flex;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  margin-top: 12px;
}

/* ---- Breadcrumb ---- */
.skill-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--text-soft);
  margin-bottom: 40px;
  padding-top: calc(var(--nav-h) + 24px);
}
.skill-breadcrumb a {
  color: var(--text-soft);
  text-decoration: none;
  transition: color 0.15s;
}
.skill-breadcrumb a:hover { color: var(--accent); }
.skill-breadcrumb i { font-size: 0.65rem; opacity: 0.5; }
.skill-breadcrumb span { color: var(--text); }

/* ---- Skill page header ---- */
.skill-page { padding-bottom: 80px; }
.skill-page .container { max-width: 860px; }
.skill-page-header {
  margin-bottom: 52px;
}
.skill-page-title-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.skill-page-name {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  color: var(--text);
  margin: 0;
  line-height: 1.1;
}
.skill-page-summary {
  font-size: 1.05rem;
  color: var(--text-soft);
  line-height: 1.7;
  margin: 0;
  max-width: 720px;
}

/* ---- Skill page sections ---- */
.skill-page-body {
  display: flex;
  flex-direction: column;
  gap: 48px;
}
.skill-section {
  border-top: 1px solid var(--border);
  padding-top: 32px;
}
.skill-section-heading {
  font-size: 1rem;
  font-weight: 600;
  color: var(--cyan);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-family: var(--mono);
}
.skill-section-heading i { font-size: 0.9rem; }

/* ---- Project list ---- */
.skill-project-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.skill-project-item {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  flex-wrap: wrap;
}
.skill-project-name {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text);
  flex: 1;
  min-width: 160px;
}
.skill-project-client {
  font-size: 0.8rem;
  color: var(--text-soft);
  font-family: var(--mono);
}

/* ---- Experience cards within skill page ---- */
.skill-exp-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.skill-exp-card {
  padding: 16px 18px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.skill-exp-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.skill-exp-title {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 3px;
}
.skill-exp-client {
  display: block;
  font-size: 0.8rem;
  color: var(--text-soft);
}
.skill-exp-dates {
  font-size: 0.75rem;
  color: var(--muted);
  font-family: var(--mono);
  white-space: nowrap;
  padding-top: 2px;
}
.skill-wrap-sm { margin-top: 4px; }

/* ---- Course list ---- */
.skill-course-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.skill-course-item {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  flex-wrap: wrap;
}
.skill-course-title {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text);
  flex: 1;
  min-width: 200px;
}
.skill-course-platform {
  font-size: 0.78rem;
  color: var(--cyan);
  font-family: var(--mono);
  border: 1px solid rgba(34, 211, 238, 0.25);
  border-radius: 4px;
  padding: 2px 8px;
  background: rgba(34, 211, 238, 0.06);
}

/* ---- Responsive ---- */
@media (max-width: 600px) {
  .skills-index-section { padding: 90px 0 60px; }
  .skills-grid { grid-template-columns: 1fr; }
  .skill-breadcrumb { padding-top: calc(var(--nav-h) + 12px); }
  .skill-page-title-row { flex-direction: column; align-items: flex-start; gap: 10px; }
  .skill-exp-card-header { flex-direction: column; gap: 4px; }
  .skills-back-row { flex-direction: column; }
  .skill-project-item, .skill-course-item { flex-direction: column; gap: 4px; }
}