/* Chalermkarnchana University — recruitment presentation draft
   Palette from official seal: navy #283090, red #D82020, gold, white */

:root {
  --navy: #283090;
  --navy-deep: #1c2268;
  --navy-ink: #161a4a;
  --red: #d82020;
  --gold: #c5a059;
  --gold-light: #e3cc8a;
  --gold-pale: #f3ead3;
  --white: #ffffff;
  --paper: #f7f4ee;
  --paper-2: #efe8d9;
  --ink: #1c1c28;
  --ink-soft: #4a4a5c;
  --line: rgba(40, 48, 144, 0.12);
  --shadow: 0 10px 30px rgba(22, 26, 74, 0.08);
  --shadow-lg: 0 18px 50px rgba(22, 26, 74, 0.14);
  --radius: 18px;
  --radius-sm: 12px;
  --header-h: 76px;
  --max: 1140px;
  --font: "Prompt", "Sarabun", "Thonburi", "Tahoma", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.75;
  font-size: 1.05rem;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--navy); }
a:hover { color: var(--red); }
:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: 16px;
  top: -40px;
  background: var(--gold);
  color: var(--navy-ink);
  padding: 8px 14px;
  z-index: 1000;
  border-radius: 0 0 8px 8px;
  font-weight: 600;
}
.skip:focus { top: 0; }

/* Header
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  height: var(--header-h);
}
.site-header.is-scrolled {
  box-shadow: 0 6px 20px rgba(22, 26, 74, 0.08);
}
.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--navy);
  min-width: 0;
}
.brand img {
  width: 52px;
  height: 52px;
  flex-shrink: 0;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong {
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0;
}
.brand-text span {
  font-size: 0.72rem;
  color: var(--ink-soft);
  font-weight: 400;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: 10px;
  width: 44px;
  height: 44px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  padding: 0;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
}

.nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 4px;
  align-items: center;
}
.nav a {
  text-decoration: none;
  color: var(--navy-deep);
  font-weight: 500;
  font-size: 0.92rem;
  padding: 8px 11px;
  border-radius: 999px;
  white-space: nowrap;
}
.nav a:hover,
.nav a[aria-current="page"] {
  background: var(--gold-pale);
  color: var(--navy-ink);
}
.nav a.nav-cta {
  background: var(--navy);
  color: var(--white);
  margin-left: 6px;
  padding: 8px 16px;
}
.nav a.nav-cta:hover { background: var(--red); color: var(--white); }

/* Hero
   ============================================================ */
.hero {
  position: relative;
  min-height: min(88vh, 820px);
  color: var(--white);
  display: flex;
  align-items: flex-end;
  background: var(--navy-ink) center/cover no-repeat;
  isolation: isolate;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(22, 26, 74, 0.90) 0%, rgba(22, 26, 74, 0.66) 46%, rgba(22, 26, 74, 0.38) 100%),
    linear-gradient(180deg, rgba(22, 26, 74, 0.18) 0%, rgba(22, 26, 74, 0.12) 42%, rgba(22, 26, 74, 0.97) 100%);
}
.hero-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 48px 20px 64px;
  width: 100%;
}
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--gold-light);
  font-weight: 500;
  letter-spacing: 0.04em;
  font-size: 0.95rem;
  margin-bottom: 14px;
}
.hero-kicker::before {
  content: "";
  width: 36px;
  height: 1px;
  background: var(--gold);
}
.hero h1 {
  margin: 0 0 10px;
  font-weight: 700;
  font-size: clamp(2.1rem, 5vw, 3.5rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
}
.hero .motto {
  margin: 0 0 8px;
  font-size: clamp(1.25rem, 2.4vw, 1.7rem);
  color: var(--gold-light);
  font-weight: 500;
}
.hero .motto-en {
  margin: 0 0 22px;
  font-size: 0.92rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.72);
  font-weight: 400;
}
.hero-lead {
  max-width: 38rem;
  margin: 0 0 28px;
  font-size: 1.12rem;
  color: rgba(255,255,255,0.9);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-note {
  margin-top: 22px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.7);
}

/* Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  border: 0;
  cursor: pointer;
  font-family: inherit;
  font-weight: 600;
  font-size: 1rem;
  padding: 12px 22px;
  border-radius: 999px;
  line-height: 1.2;
  transition: background 0.15s ease, color 0.15s ease, transform 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-gold { background: var(--gold); color: var(--navy-ink); }
.btn-gold:hover { background: var(--gold-light); color: var(--navy-ink); }
.btn-white { background: var(--white); color: var(--navy); }
.btn-white:hover { background: var(--gold-pale); color: var(--navy-ink); }
.btn-ghost {
  background: transparent;
  color: var(--white);
  box-shadow: inset 0 0 0 1.5px rgba(255,255,255,0.55);
}
.btn-ghost:hover { background: rgba(255,255,255,0.12); color: var(--white); }
.btn-navy { background: var(--navy); color: var(--white); }
.btn-navy:hover { background: var(--red); color: var(--white); }
.btn-outline {
  background: transparent;
  color: var(--navy);
  box-shadow: inset 0 0 0 1.5px var(--navy);
}
.btn-outline:hover { background: var(--navy); color: var(--white); }

/* Sections
   ============================================================ */
.section { padding: 72px 20px; }
.section-alt { background: var(--white); }
.wrap { max-width: var(--max); margin: 0 auto; }
.section-label {
  color: var(--gold);
  font-weight: 600;
  letter-spacing: 0.08em;
  font-size: 0.85rem;
  margin: 0 0 8px;
}
.section h2 {
  margin: 0 0 12px;
  font-size: clamp(1.7rem, 3vw, 2.25rem);
  color: var(--navy);
  line-height: 1.3;
  font-weight: 700;
}
.lede {
  max-width: 42rem;
  color: var(--ink-soft);
  margin: 0 0 36px;
  font-size: 1.08rem;
}
.rule {
  width: 64px;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  border: 0;
  margin: 0 0 28px;
}

/* Why / highlights
   ============================================================ */
.highlights {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.highlight {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px 26px 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.section-alt .highlight { background: var(--paper); }
.highlight-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--gold-pale);
  color: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
}
.highlight-icon svg { width: 22px; height: 22px; fill: currentColor; }
.highlight h3 {
  margin: 0;
  color: var(--navy);
  font-size: 1.18rem;
  line-height: 1.4;
}
.highlight p { margin: 0; color: var(--ink-soft); }
.highlight .source {
  margin-top: 8px;
  font-size: 0.78rem;
  color: #7a7a8c;
}

/* Faculties
   ============================================================ */
.faculty {
  margin: 0 0 40px;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.faculty-head {
  background: linear-gradient(90deg, var(--navy-deep), var(--navy));
  color: var(--white);
  padding: 20px 26px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.faculty-head h3 { margin: 0; font-size: 1.25rem; font-weight: 600; }
.faculty-head span {
  color: var(--gold-light);
  font-size: 0.88rem;
}
.programs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0;
}
.program {
  padding: 22px 26px 24px;
  border-top: 1px solid var(--line);
}
@media (min-width: 700px) {
  .programs > .program { border-top: 0; }
  .programs > .program + .program { border-left: 1px solid var(--line); }
  .programs > .program:nth-child(n+3) { border-top: 1px solid var(--line); }
}
.program h4 {
  margin: 0 0 6px;
  color: var(--navy);
  font-size: 1.05rem;
  line-height: 1.4;
}
.program .degree {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--navy);
  background: var(--gold-pale);
  padding: 2px 8px;
  border-radius: 999px;
  margin-bottom: 10px;
}
.program p { margin: 0; color: var(--ink-soft); font-size: 0.98rem; }
.program .careers {
  margin-top: 10px;
  font-size: 0.9rem;
  color: var(--ink);
}
.program .careers strong { color: var(--navy); font-weight: 600; }

/* Campuses
   ============================================================ */
.campus-featured {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 28px;
  align-items: stretch;
  margin-bottom: 36px;
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}
.campus-featured-photo {
  position: relative;
  min-height: 280px;
  background: var(--navy-deep) center/cover no-repeat;
}
.campus-featured-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 10%;
  position: absolute;
  inset: 0;
}
.campus-featured-body { padding: 32px 28px; }
.campus-featured-body h3 {
  margin: 0 0 8px;
  color: var(--navy);
  font-size: 1.4rem;
}
.badge {
  display: inline-block;
  background: var(--navy);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 10px;
}
.badge-soft {
  background: var(--gold-pale);
  color: var(--navy-deep);
}
.badge-coord {
  background: #ece7f8;
  color: var(--navy-deep);
}
.address {
  margin: 12px 0;
  color: var(--ink);
}
.address a { text-decoration: none; font-weight: 600; }
.campus-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.campus-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}
.campus-card .thumb {
  aspect-ratio: 16/10;
  background: var(--navy-deep) center/cover no-repeat;
  position: relative;
}
.campus-featured-photo::after,
.campus-card .thumb::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 38%;
  background: linear-gradient(to top, rgba(16, 18, 50, 0.55), transparent);
  pointer-events: none;
}
.campus-card .thumb-plain {
  aspect-ratio: 16 / 7;
  background: linear-gradient(145deg, #1c2268 0%, #283090 60%, #3a3f9a 100%);
  color: var(--gold-light);
  font-weight: 600;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  justify-content: center;
}
.campus-card .thumb-plain::after { display: none; }

.campus-card .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
}
.campus-card .body { padding: 16px 18px 18px; flex: 1; display: flex; flex-direction: column; }
.campus-card h3 { margin: 0 0 6px; color: var(--navy); font-size: 1.08rem; }
.campus-card p { margin: 0; color: var(--ink-soft); font-size: 0.92rem; }
.campus-card a.more {
  margin-top: auto;
  padding-top: 10px;
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
}
.note-box {
  margin-top: 24px;
  padding: 16px 18px;
  border-left: 3px solid var(--gold);
  background: var(--gold-pale);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--navy-ink);
  font-size: 0.98rem;
}
.plan-wrap {
  margin-top: 28px;
}
.plan-wrap img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  background: var(--white);
}
.caption {
  font-size: 0.82rem;
  color: #7a7a8c;
  margin: 8px 0 0;
}

/* Life / photos
   ============================================================ */
.life-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 40px;
}
.life-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.life-card h3 { margin: 0 0 8px; color: var(--navy); }

.shot-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.shot {
  background: var(--white);
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.shot-frame {
  aspect-ratio: 16/10;
  background:
    linear-gradient(160deg, #e8e6f4 0%, #d9d7ea 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: var(--navy);
  position: relative;
}
.shot-frame::before {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px dashed rgba(40, 48, 144, 0.28);
  border-radius: 8px;
  pointer-events: none;
}
.shot-frame .cam { opacity: 0.7; }
.shot-frame .cam svg { width: 28px; height: 28px; fill: var(--navy); }
.shot-no {
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--navy);
}
.shot-wait {
  font-size: 0.75rem;
  color: var(--ink-soft);
}
.shot-body { padding: 12px 14px 14px; }
.shot-body h3 {
  margin: 0 0 4px;
  font-size: 0.98rem;
  color: var(--navy);
  line-height: 1.4;
}
.shot-body p { margin: 0; font-size: 0.82rem; color: var(--ink-soft); line-height: 1.55; }

/* Admissions
   ============================================================ */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-bottom: 28px;
}
.step {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px 22px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  position: relative;
}
.step-num {
  font-family: var(--font);
  font-weight: 700;
  font-size: 1.8rem;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 10px;
}
.step h3 { margin: 0 0 8px; color: var(--navy); }
.step p { margin: 0; color: var(--ink-soft); }
.docs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 28px;
  align-items: start;
}
.docs img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--white);
}
.callout {
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius);
  padding: 24px 26px;
  margin: 28px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
}
.callout p { margin: 0; max-width: 40rem; }
.callout strong { color: var(--gold-light); }

/* Contact
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 20px;
}
.card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px 26px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.card.accent {
  background: linear-gradient(180deg, var(--navy-deep), var(--navy));
  color: var(--white);
  border: 0;
}
.card.accent h3 { color: var(--white); }
.card.accent a { color: var(--gold-light); }
.card.accent .placeholder-field {
  background: rgba(255,255,255,0.08);
  border: 1px dashed var(--gold);
  color: var(--gold-light);
}
.card h3 { margin: 0 0 6px; color: var(--navy); font-size: 1.3rem; }
.card .sub { margin: 0 0 18px; color: var(--ink-soft); }
.card.accent .sub { color: rgba(255,255,255,0.75); }
.contact-person {
  display: flex;
  align-items: center;
  gap: 18px;
  margin: 0 0 20px;
}
.contact-person h3 { margin: 0 0 6px; }
.contact-person .sub { margin: 0; }
.contact-photo {
  width: 96px;
  height: 96px;
  object-fit: cover;
  border-radius: 50%;
  border: 2px solid var(--gold);
  flex-shrink: 0;
  background: rgba(255,255,255,0.08);
}
.dl { display: grid; gap: 12px; }
.dl div { display: grid; grid-template-columns: 7.5rem 1fr; gap: 8px; align-items: start; }
.dl dt {
  margin: 0;
  font-weight: 600;
  color: var(--gold);
  font-size: 0.92rem;
}
.card:not(.accent) .dl dt { color: var(--navy); }
.dl dd { margin: 0; }
.placeholder-field {
  display: inline-block;
  border: 1px dashed #b9a46a;
  background: var(--gold-pale);
  color: #6b5420;
  padding: 2px 8px;
  border-radius: 6px;
  font-weight: 500;
  font-size: 0.92rem;
}
.actions-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }

/* Footer
   ============================================================ */
.site-footer {
  background: var(--navy-ink);
  color: rgba(255,255,255,0.8);
  padding: 40px 20px 28px;
  font-size: 0.9rem;
}
.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 24px 32px;
  align-items: start;
}
.site-footer img { width: 72px; height: 72px; }
.site-footer a { color: var(--gold-light); }
.site-footer h3 { margin: 0 0 8px; color: var(--white); font-size: 1.05rem; }
.site-footer p { margin: 0 0 8px; }
.sources { font-size: 0.8rem; color: rgba(255,255,255,0.6); }
.copyright {
  grid-column: 1 / -1;
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 16px;
  margin-top: 8px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.55);
}

/* Utilities */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* Responsive
   ============================================================ */
@media (max-width: 960px) {
  .highlights,
  .campus-grid,
  .shot-grid { grid-template-columns: repeat(2, 1fr); }
  .campus-featured,
  .life-grid,
  .docs,
  .contact-grid,
  .footer-inner { grid-template-columns: 1fr; }
  .campus-featured-photo { min-height: 220px; position: relative; height: 240px; }
}

@media (max-width: 800px) {
  :root { --header-h: 66px; }
  .brand-text span { display: none; }
  .nav-toggle { display: flex; }
  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-lg);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
  }
  .nav.is-open { max-height: 80vh; overflow: auto; }
  .nav ul {
    flex-direction: column;
    align-items: stretch;
    padding: 12px 16px 20px;
    gap: 4px;
  }
  .nav a { display: block; padding: 12px 14px; }
  .nav a.nav-cta { margin: 8px 0 0; text-align: center; }
}

@media (max-width: 640px) {
  .section { padding: 52px 16px; }
  .highlights,
  .campus-grid,
  .shot-grid,
  .steps,
  .docs { grid-template-columns: 1fr; }
  .hero { min-height: 92vh; align-items: flex-end; }
  .hero-inner { padding-bottom: 48px; }
  .programs > .program + .program { border-left: 0; border-top: 1px solid var(--line); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn:hover { transform: none; }
  .nav { transition: none; }
}

/* Print / presentation
   ============================================================ */
@media print {
  :root { --header-h: 0px; }
  html { scroll-padding-top: 0; }
  body {
    background: #fff;
    font-size: 10.5pt;
    color: #111;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
  .skip, .nav-toggle, .hero-note, .no-print { display: none !important; }
  .site-header {
    position: static;
    background: #fff;
    border-bottom: 2px solid var(--navy);
    box-shadow: none;
  }
  .nav { display: none; }
  .hero {
    min-height: auto;
    break-after: page;
  }
  .hero::after {
    background: linear-gradient(90deg, rgba(22,26,74,0.92), rgba(22,26,74,0.7));
  }
  .section { padding: 28px 0; break-inside: avoid; }
  .highlight, .faculty, .campus-card, .card, .step, .shot, .life-card {
    box-shadow: none;
    break-inside: avoid;
  }
  .shot-grid { grid-template-columns: repeat(3, 1fr); }
  .site-footer { background: #fff; color: #333; border-top: 2px solid var(--navy); }
  .site-footer a, .copyright, .sources { color: #444; }
  .site-footer h3 { color: var(--navy); }
  a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 0.75em; word-break: break-all; }
  .btn { box-shadow: inset 0 0 0 1px #333; }
}

.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); }
.nav-toggle span { transition: transform 0.15s ease, opacity 0.15s ease; }