/* =====================================================
   Pavel Chládek — Portfolio  |  style.css
   Design tokens → layout helpers → components
   ===================================================== */

/* ── 1. TOKENS ─────────────────────────────────────── */
:root {
  /* Palette */
  --clr-bg:          #0a0a0f;
  --clr-bg-2:        #111118;
  --clr-bg-3:        #1a1a24;
  --clr-surface:     #16161f;
  --clr-surface-2:   #1e1e2a;
  --clr-border:      rgba(255,255,255,0.07);

  --clr-accent:      #f0c040;   /* Cyberpunk Yellow */
  --clr-accent-dim:  rgba(240,192,64,0.12);
  --clr-accent-2:    #00e5ff;   /* Neon Cyan */
  --clr-accent-3:    #b47cff;   /* Electric Purple */

  --clr-text:        #e8e8f0;
  --clr-text-muted:  #7a7a9a;
  --clr-text-faint:  #3c3c55;

  /* Typography */
  --font-sans:  'Inter', system-ui, sans-serif;
  --font-mono:  'Roboto Mono', 'Courier New', monospace;

  /* Spacing */
  --space-xs:   0.25rem;
  --space-s:    0.5rem;
  --space-m:    1rem;
  --space-l:    1.5rem;
  --space-xl:   2.5rem;
  --space-2xl:  4rem;
  --space-3xl:  6rem;

  /* Radii */
  --radius-s:   4px;
  --radius-m:   8px;
  --radius-l:   16px;
  --radius-xl:  24px;

  /* Transitions */
  --ease:       cubic-bezier(0.22, 1, 0.36, 1);
  --dur-fast:   180ms;
  --dur-med:    320ms;
  --dur-slow:   500ms;

  /* Layout */
  --max-w: 1200px;
  --nav-h: 70px;
}

/* ── 2. RESET & BASE ────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.6;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* ── 3. LAYOUT HELPERS ──────────────────────────────── */
.container {
  width: min(100% - 2rem, var(--max-w));
  margin-inline: auto;
}

.section {
  padding-block: var(--space-3xl);
}

.section__header {
  margin-bottom: var(--space-2xl);
  text-align: center;
}

.section__label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: var(--space-s);
}

.section__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--clr-text);
  line-height: 1.15;
}

.section__title em {
  font-style: normal;
  color: var(--clr-accent);
}

.section__subtitle {
  margin-top: var(--space-m);
  color: var(--clr-text-muted);
  max-width: 55ch;
  margin-inline: auto;
}

/* ── 4. SCROLL REVEAL ───────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur-slow) var(--ease),
              transform var(--dur-slow) var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* staggered children */
.reveal-grid > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--dur-slow) var(--ease),
              transform var(--dur-slow) var(--ease);
}

.reveal-grid.visible > *:nth-child(1) { transition-delay: 60ms;  opacity:1; transform:none; }
.reveal-grid.visible > *:nth-child(2) { transition-delay: 130ms; opacity:1; transform:none; }
.reveal-grid.visible > *:nth-child(3) { transition-delay: 200ms; opacity:1; transform:none; }
.reveal-grid.visible > *:nth-child(4) { transition-delay: 270ms; opacity:1; transform:none; }
.reveal-grid.visible > *:nth-child(5) { transition-delay: 340ms; opacity:1; transform:none; }
.reveal-grid.visible > *:nth-child(6) { transition-delay: 410ms; opacity:1; transform:none; }
.reveal-grid.visible > *:nth-child(7) { transition-delay: 480ms; opacity:1; transform:none; }
.reveal-grid.visible > *:nth-child(8) { transition-delay: 550ms; opacity:1; transform:none; }

/* ── 5. NAVIGATION ──────────────────────────────────── */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--nav-h);
  z-index: 100;
  backdrop-filter: blur(12px) saturate(160%);
  -webkit-backdrop-filter: blur(12px) saturate(160%);
  background: rgba(10,10,15,0.75);
  border-bottom: 1px solid var(--clr-border);
  transition: background var(--dur-med) var(--ease),
              box-shadow var(--dur-med) var(--ease);
}

.site-header.scrolled {
  background: rgba(10,10,15,0.95);
  box-shadow: 0 4px 24px rgba(0,0,0,0.45);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav__logo {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--clr-text);
}

.nav__logo-bracket { color: var(--clr-text-muted); }
.nav__logo-accent  { color: var(--clr-accent); margin-left: 2px; }

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-l);
}

.nav__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--clr-text-muted);
  position: relative;
  transition: color var(--dur-fast) var(--ease);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.nav__link::after {
  content: '';
  position: absolute;
  inset: auto 0 -4px 0;
  height: 2px;
  background: var(--clr-accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--dur-fast) var(--ease);
}

.nav__link:hover,
.nav__link--active {
  color: var(--clr-text);
}

.nav__link:hover::after,
.nav__link--active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav__link--github {
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-m);
}

.nav__link--github::after { display: none; }

.nav__link--github:hover {
  border-color: var(--clr-accent);
  color: var(--clr-accent);
  background: var(--clr-accent-dim);
}

/* Hamburger */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
}

.nav__toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--clr-text);
  border-radius: 2px;
  transition: transform var(--dur-fast) var(--ease),
              opacity   var(--dur-fast) var(--ease);
}

.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── 6. HERO ────────────────────────────────────────── */
.hero {
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding-top: var(--nav-h);
  position: relative;
  overflow: hidden;
}

/* Animated grid background */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--clr-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--clr-border) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, #000 30%, transparent 100%);
  animation: grid-fade 8s ease-in-out infinite alternate;
}

@keyframes grid-fade {
  from { opacity: 0.35; }
  to   { opacity: 0.6; }
}

/* Glow orbs */
.hero::after {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(240,192,64,0.10) 0%, transparent 70%);
  top: 10%; left: -10%;
  filter: blur(40px);
  animation: orb-drift 12s ease-in-out infinite alternate;
  pointer-events: none;
}

@keyframes orb-drift {
  from { transform: translate(0, 0); }
  to   { transform: translate(60px, 40px); }
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding-inline: var(--space-m);
}

.hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: var(--space-l);
  opacity: 0;
  animation: fade-up var(--dur-slow) var(--ease) 0.1s forwards;
}

.hero__title {
  font-size: clamp(2.5rem, 8vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--clr-text);
  opacity: 0;
  animation: fade-up var(--dur-slow) var(--ease) 0.25s forwards;
}

.hero__title span {
  color: var(--clr-accent);
  display: inline-block;
  position: relative;
}

.hero__title span::after {
  content: '';
  position: absolute;
  inset: auto 0 -4px 0;
  height: 3px;
  background: linear-gradient(90deg, var(--clr-accent), transparent);
  border-radius: 2px;
}

.hero__tagline {
  margin-top: var(--space-l);
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--clr-text-muted);
  max-width: 52ch;
  margin-inline: auto;
  opacity: 0;
  animation: fade-up var(--dur-slow) var(--ease) 0.4s forwards;
}

.hero__tagline .mono {
  font-family: var(--font-mono);
  color: var(--clr-accent-2);
  font-size: 0.9em;
}

.hero__cta {
  margin-top: var(--space-xl);
  display: flex;
  gap: var(--space-m);
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  animation: fade-up var(--dur-slow) var(--ease) 0.55s forwards;
}

@keyframes fade-up {
  from { opacity:0; transform: translateY(20px); }
  to   { opacity:1; transform: translateY(0); }
}

/* ── 7. BUTTONS ─────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-s);
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-m);
  font-size: 0.9rem;
  font-weight: 600;
  transition: all var(--dur-fast) var(--ease);
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: var(--clr-accent);
  color: #0a0a0f;
}

.btn--primary:hover {
  background: #f5d060;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(240,192,64,0.35);
}

.btn--outline {
  border: 1px solid var(--clr-border);
  color: var(--clr-text);
  background: transparent;
}

.btn--outline:hover {
  border-color: var(--clr-accent);
  color: var(--clr-accent);
  background: var(--clr-accent-dim);
  transform: translateY(-2px);
}

.btn--sm {
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
}

/* ── 8. ABOUT ───────────────────────────────────────── */
.about { background: var(--clr-bg-2); }

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

.about__text p { color: var(--clr-text-muted); margin-bottom: var(--space-m); }
.about__text p:first-child { color: var(--clr-text); font-size: 1.05rem; }

.about__text strong { color: var(--clr-accent); font-weight: 600; }

.about__highlights {
  display: grid;
  gap: var(--space-m);
}

.highlight-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-l);
  padding: var(--space-l);
  display: flex;
  gap: var(--space-m);
  align-items: flex-start;
  transition: border-color var(--dur-fast) var(--ease),
              transform    var(--dur-fast) var(--ease);
}

.highlight-card:hover {
  border-color: rgba(240,192,64,0.3);
  transform: translateX(4px);
}

.highlight-card__icon {
  font-size: 1.5rem;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  background: var(--clr-accent-dim);
  border-radius: var(--radius-m);
  flex-shrink: 0;
}

.highlight-card__title {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--clr-text);
  margin-bottom: 2px;
}

.highlight-card__desc {
  font-size: 0.8rem;
  color: var(--clr-text-muted);
}

/* ── 9. SKILLS ──────────────────────────────────────── */
.skills { background: var(--clr-bg); }

.skills__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: var(--space-m);
}

.skill-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-l);
  padding: var(--space-l) var(--space-m);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-s);
  text-align: center;
  cursor: default;
  transition: border-color var(--dur-fast) var(--ease),
              background    var(--dur-fast) var(--ease),
              transform     var(--dur-fast) var(--ease),
              box-shadow    var(--dur-fast) var(--ease);
}

.skill-card:hover {
  border-color: var(--clr-accent);
  background: var(--clr-surface-2);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(240,192,64,0.12);
}

.skill-card__icon { font-size: 2rem; line-height: 1; }
.skill-card__name { font-size: 0.78rem; font-weight: 600; color: var(--clr-text); }
.skill-card__sub  { font-size: 0.68rem; color: var(--clr-text-muted); }

/* ── 10. PROJECTS (homepage preview) ─────────────────── */
.projects-preview { background: var(--clr-bg-2); }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-l);
}

.project-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: var(--space-l);
  display: flex;
  flex-direction: column;
  gap: var(--space-m);
  transition: border-color var(--dur-med) var(--ease),
              transform    var(--dur-med) var(--ease),
              box-shadow   var(--dur-med) var(--ease);
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--card-accent, var(--clr-accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-med) var(--ease);
}

.project-card:hover {
  border-color: rgba(255,255,255,0.14);
  transform: translateY(-6px);
  box-shadow: 0 20px 48px rgba(0,0,0,0.4);
}

.project-card:hover::before { transform: scaleX(1); }

.project-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-m);
}

.project-card__icon-wrap {
  width: 52px; height: 52px;
  border-radius: var(--radius-m);
  display: grid;
  place-items: center;
  font-size: 1.6rem;
  flex-shrink: 0;
}

.project-card__status {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 0.25rem 0.6rem;
  border-radius: 100px;
  border: 1px solid currentColor;
  white-space: nowrap;
}

.status--complete     { color: #4ade80; }
.status--prototype    { color: #f59e0b; }
.status--development  { color: var(--clr-accent-2); }

.project-card__category {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--clr-text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.project-card__title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--clr-text);
}

.project-card__desc {
  font-size: 0.875rem;
  color: var(--clr-text-muted);
  flex: 1;
  line-height: 1.65;
}

.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 0.2rem 0.55rem;
  background: var(--clr-bg-3);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-s);
  color: var(--clr-text-muted);
  white-space: nowrap;
}

.project-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-m);
  border-top: 1px solid var(--clr-border);
  margin-top: auto;
}

.view-all-wrap {
  text-align: center;
  margin-top: var(--space-2xl);
}

/* ── 11. PROJECT DETAIL (projects.php) ──────────────── */
.projects-page { background: var(--clr-bg); }

.projects-page-header {
  padding-top: calc(var(--nav-h) + var(--space-3xl));
  padding-bottom: var(--space-xl);
  text-align: center;
  border-bottom: 1px solid var(--clr-border);
}

.projects-full-grid {
  padding-block: var(--space-3xl);
  display: grid;
  gap: var(--space-xl);
}

.project-full-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-xl);
  align-items: start;
  transition: border-color var(--dur-med) var(--ease),
              box-shadow   var(--dur-med) var(--ease);
  position: relative;
  overflow: hidden;
}

.project-full-card::after {
  content: '';
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--card-accent, var(--clr-accent));
}

.project-full-card:hover {
  border-color: rgba(255,255,255,0.12);
  box-shadow: 0 16px 48px rgba(0,0,0,0.35);
}

.project-full-card__aside {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-m);
  min-width: 80px;
}

.project-full-card__icon-wrap {
  width: 64px; height: 64px;
  border-radius: var(--radius-l);
  display: grid;
  place-items: center;
  font-size: 2rem;
}

.project-full-card__body { display: flex; flex-direction: column; gap: var(--space-m); }

.project-full-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-m);
  flex-wrap: wrap;
}

.project-full-card__title {
  font-size: 1.5rem;
  font-weight: 700;
}

.project-full-card__desc {
  color: var(--clr-text-muted);
  line-height: 1.7;
}

.project-full-card__actions {
  display: flex;
  gap: var(--space-s);
  flex-wrap: wrap;
  margin-top: var(--space-s);
}

/* ── 12. CONTACT ────────────────────────────────────── */
.contact { background: var(--clr-bg-2); }

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: var(--space-2xl);
  align-items: start;
}

.contact__info p {
  color: var(--clr-text-muted);
  margin-bottom: var(--space-l);
  line-height: 1.7;
}

.contact__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-m);
}

.contact__link-item {
  display: flex;
  align-items: center;
  gap: var(--space-m);
  padding: var(--space-m);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-l);
  font-size: 0.875rem;
  color: var(--clr-text-muted);
  transition: border-color var(--dur-fast) var(--ease),
              color var(--dur-fast) var(--ease);
}

.contact__link-item:hover {
  border-color: var(--clr-accent);
  color: var(--clr-text);
}

.contact__link-item i { color: var(--clr-accent); }

/* Form */
.contact-form {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-l);
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-m); }

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-group label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--clr-text-muted);
}

.form-group input,
.form-group textarea,
.form-group select {
  background: var(--clr-bg-3);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-m);
  color: var(--clr-text);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  padding: 0.65rem 1rem;
  transition: border-color var(--dur-fast) var(--ease),
              box-shadow   var(--dur-fast) var(--ease);
  outline: none;
  width: 100%;
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--clr-text-faint); }

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 3px rgba(240,192,64,0.12);
}

.form-group textarea { resize: vertical; min-height: 140px; }

.form-feedback {
  font-size: 0.85rem;
  padding: var(--space-m);
  border-radius: var(--radius-m);
  display: none;
}

.form-feedback.success {
  display: block;
  background: rgba(74,222,128,0.1);
  border: 1px solid rgba(74,222,128,0.25);
  color: #4ade80;
}

.form-feedback.error {
  display: block;
  background: rgba(248,113,113,0.1);
  border: 1px solid rgba(248,113,113,0.25);
  color: #f87171;
}

/* ── 13. FOOTER ─────────────────────────────────────── */
.site-footer {
  background: var(--clr-bg);
  border-top: 1px solid var(--clr-border);
  padding-block: var(--space-l);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-m);
  flex-wrap: wrap;
}

.footer__copy { font-size: 0.8rem; color: var(--clr-text-muted); }

.footer__links {
  display: flex;
  gap: var(--space-m);
}

.footer__links a {
  color: var(--clr-text-muted);
  transition: color var(--dur-fast) var(--ease);
}

.footer__links a:hover { color: var(--clr-accent); }

.footer__links svg { width: 18px; height: 18px; }

/* ── 14. PAGE HERO (inner pages) ─────────────────────── */
.page-hero {
  padding-top: calc(var(--nav-h) + var(--space-2xl));
  padding-bottom: var(--space-xl);
  text-align: center;
}

/* ── 15. UTILITIES ──────────────────────────────────── */
.text-accent  { color: var(--clr-accent); }
.text-mono    { font-family: var(--font-mono); }
.text-center  { text-align: center; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ── 16. SCROLLBAR ──────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--clr-bg); }
::-webkit-scrollbar-thumb { background: var(--clr-bg-3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--clr-accent); }

/* ── 17. RESPONSIVE ─────────────────────────────────── */
@media (max-width: 900px) {
  .about__grid    { grid-template-columns: 1fr; }
  .contact__grid  { grid-template-columns: 1fr; }

  .project-full-card {
    grid-template-columns: 1fr;
  }
  .project-full-card__aside {
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
  }
}

@media (max-width: 680px) {
  :root { --space-3xl: 4rem; }

  .nav__toggle { display: flex; }

  .nav__links {
    display: none;
    position: fixed;
    inset: var(--nav-h) 0 0 0;
    background: rgba(10,10,15,0.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-xl);
    padding: var(--space-xl);
  }

  .nav__links.open { display: flex; }

  .nav__link { font-size: 1.1rem; }
  .nav__link::after { display: none; }

  .form-row { grid-template-columns: 1fr; }

  .projects-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero__cta { flex-direction: column; align-items: stretch; }
  .btn { justify-content: center; }
  .skills__grid { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); }
}