/* ============================================================
   Development@Work — Main Stylesheet
   Brand: Serif + minimal, white/dark, red accent (#C0392B)
   ============================================================ */

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

:root {
  --color-black:      #0A0A0A;
  --color-dark:       #141414;
  --color-mid:        #383838;
  --color-muted:      #6E6E6E;
  --color-border:     #E4E4E0;
  --color-light:      #F6F5F2;
  --color-white:      #FFFFFF;
  --color-red:        #B83227;
  --color-red-dark:   #921E15;
  --color-red-light:  #F8ECEA;

  --font-serif:   'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-sans:    'Inter', 'Helvetica Neue', Arial, sans-serif;

  --max-width:    1160px;
  --section-v:    100px;
  --radius:       3px;
  --transition:   0.22s ease;

  /* Premium spacing scale */
  --space-xs:  8px;
  --space-sm:  16px;
  --space-md:  32px;
  --space-lg:  56px;
  --space-xl:  96px;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--color-dark);
  background: var(--color-white);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: -0.01em;
}

img { max-width: 100%; height: auto; display: block; }

a { color: inherit; text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-red); }

ul { list-style: none; }

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-serif);
  line-height: 1.2;
  font-weight: 700;
  color: var(--color-black);
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.6rem, 5.5vw, 4.2rem); letter-spacing: -0.03em; }
h2 { font-size: clamp(1.85rem, 3.5vw, 2.75rem); letter-spacing: -0.025em; }
h3 { font-size: clamp(1.15rem, 2vw, 1.5rem); letter-spacing: -0.015em; }
h4 { font-size: 1rem; font-weight: 600; font-family: var(--font-sans); letter-spacing: 0; }

p { margin-bottom: 1.4rem; color: var(--color-mid); font-size: 1.01rem; }
p:last-child { margin-bottom: 0; }

strong { color: var(--color-black); font-weight: 600; }

/* ---------- Layout Utilities ---------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 28px;
}

.section { padding: var(--section-v) 0; }
.section--light { background: var(--color-light); }
.section--dark { background: var(--color-dark); }
.section--black { background: var(--color-black); }
.section--red { background: var(--color-red); }

.section-label {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-red);
  margin-bottom: 18px;
}

.section-title {
  margin-bottom: 20px;
}

.section-intro {
  max-width: 640px;
  font-size: 1.08rem;
  color: var(--color-mid);
  margin-bottom: 60px;
  line-height: 1.8;
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }

.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }

.text-center { text-align: center; }
.text-white { color: var(--color-white) !important; }
.text-white h1, .text-white h2, .text-white h3, .text-white h4 { color: var(--color-white); }
.text-white p, .text-white .section-intro { color: rgba(255,255,255,0.78); }
.text-white .section-label { color: rgba(255,255,255,0.55); }

.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-40 { margin-top: 40px; }
.mt-64 { margin-top: 64px; }
.mb-8  { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-32 { margin-bottom: 32px; }
.mb-48 { margin-bottom: 48px; }

.divider {
  width: 48px;
  height: 3px;
  background: var(--color-red);
  margin-bottom: 32px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 34px;
  font-family: var(--font-sans);
  font-size: 0.84rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  border: 1.5px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-red);
  color: var(--color-white);
  border-color: var(--color-red);
}
.btn-primary:hover {
  background: var(--color-red-dark);
  border-color: var(--color-red-dark);
  color: var(--color-white);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.55);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--color-white);
  color: var(--color-white);
}

.btn-outline-dark {
  background: transparent;
  color: var(--color-dark);
  border-color: var(--color-dark);
}
.btn-outline-dark:hover {
  background: var(--color-dark);
  color: var(--color-white);
}

.btn-group { display: flex; gap: 16px; flex-wrap: wrap; }

/* ---------- Navigation ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: background var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  background: var(--color-white);
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
}

.site-header.scrolled .nav-logo-serif { color: var(--color-black); }
.site-header.scrolled .nav-logo-red   { color: var(--color-red); }
.site-header.scrolled .nav-logo-tag   { color: var(--color-muted); }
.site-header.scrolled .nav-link       { color: var(--color-dark); }
.site-header.scrolled .nav-link:hover { color: var(--color-red); }
.site-header.scrolled .btn-nav        { color: var(--color-white); background: var(--color-red); border-color: var(--color-red); }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 28px;
  max-width: var(--max-width);
  margin: 0 auto;
}

/* Logo */
.nav-logo { display: flex; flex-direction: column; line-height: 1; }
.nav-logo-serif { font-family: var(--font-serif); font-size: 1.3rem; font-weight: 700; color: var(--color-white); }
.nav-logo-red   { color: var(--color-red); }
.nav-logo-tag   { font-size: 0.6rem; letter-spacing: 0.16em; text-transform: uppercase; color: rgba(255,255,255,0.5); margin-top: 3px; }

/* Dark header variant (for non-hero pages) */
.site-header--light { background: var(--color-white); box-shadow: 0 2px 20px rgba(0,0,0,0.06); }
.site-header--light .nav-logo-serif { color: var(--color-black); }
.site-header--light .nav-logo-red   { color: var(--color-red); }
.site-header--light .nav-logo-tag   { color: var(--color-muted); }
.site-header--light .nav-link       { color: var(--color-mid); }
.site-header--light .nav-link:hover { color: var(--color-red); }
.site-header--light .btn-nav        { color: var(--color-white); background: var(--color-red); border-color: var(--color-red); }

.nav-links { display: flex; align-items: center; gap: 38px; }
.nav-link {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.82);
  transition: color var(--transition);
}
.nav-link:hover { color: var(--color-white); }
.nav-link.active { color: var(--color-white); border-bottom: 1.5px solid var(--color-red); padding-bottom: 2px; }

.btn-nav {
  padding: 10px 22px;
  font-size: 0.82rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: 2px solid rgba(255,255,255,0.5);
  color: rgba(255,255,255,0.9);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition);
}
.btn-nav:hover { background: var(--color-red); border-color: var(--color-red); color: var(--color-white); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  transition: all var(--transition);
}
.site-header--light .nav-toggle span { background: var(--color-dark); }

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--color-black);
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(192,57,43,0.12) 0%, transparent 60%);
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-content { position: relative; z-index: 2; padding-top: 100px; }

.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-red);
  margin-bottom: 24px;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 6.5vw, 5.2rem);
  color: var(--color-white);
  line-height: 1.08;
  max-width: 860px;
  margin-bottom: 30px;
  letter-spacing: -0.03em;
}

.hero-title span { color: var(--color-red); }

.hero-sub {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.65);
  max-width: 600px;
  margin-bottom: 48px;
  line-height: 1.75;
}

.hero-stats {
  display: flex;
  gap: 56px;
  margin-top: 72px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.hero-stat-number {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1;
}

.hero-stat-number span { color: var(--color-red); }
.hero-stat-label {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.42);
  margin-top: 6px;
}

/* ---------- Cards ---------- */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 44px 40px;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.card:hover {
  box-shadow: 0 16px 48px rgba(0,0,0,0.08);
  transform: translateY(-4px);
  border-color: rgba(184,50,39,0.2);
}

.card-icon {
  width: 48px;
  height: 48px;
  background: var(--color-red-light);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: var(--color-red);
  font-size: 1.3rem;
}

.card h3 { margin-bottom: 14px; font-size: 1.2rem; }
.card p  { font-size: 0.92rem; line-height: 1.7; }

/* Dark card */
.card--dark {
  background: var(--color-dark);
  border-color: rgba(255,255,255,0.08);
  color: var(--color-white);
}
.card--dark h3, .card--dark h4 { color: var(--color-white); }
.card--dark p { color: rgba(255,255,255,0.65); }
.card--dark .card-icon { background: rgba(192,57,43,0.18); }

/* ---------- Sector Pill Tags ---------- */
.tag {
  display: inline-block;
  padding: 4px 12px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 100px;
  background: var(--color-red-light);
  color: var(--color-red);
}

.tag--blue   { background: #EBF3FB; color: #2471A3; }
.tag--green  { background: #EAFAF1; color: #1E8449; }
.tag--purple { background: #F4ECF7; color: #7D3C98; }
.tag--gold   { background: #FEF9E7; color: #B7950B; }
.tag--teal   { background: #E8F8F5; color: #148F77; }

/* ---------- Page Hero (interior pages) ---------- */
.page-hero {
  background: var(--color-black);
  padding: 170px 0 96px;
  position: relative;
  overflow: hidden;
}

.page-hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: var(--color-red);
}

.page-hero-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-red);
  margin-bottom: 20px;
}

.page-hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  color: var(--color-white);
  max-width: 740px;
  line-height: 1.12;
  margin-bottom: 22px;
  letter-spacing: -0.03em;
}

.page-hero-sub {
  color: rgba(255,255,255,0.58);
  font-size: 1.05rem;
  max-width: 580px;
  line-height: 1.8;
}

/* ---------- Quote Block ---------- */
.quote-block {
  border-left: 4px solid var(--color-red);
  padding: 24px 32px;
  background: var(--color-light);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.quote-block blockquote {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-style: italic;
  color: var(--color-dark);
  line-height: 1.6;
  margin-bottom: 16px;
}

.quote-attr {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ---------- Client/Assignment Card ---------- */
.assignment-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 36px;
  transition: box-shadow var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.assignment-card:hover {
  box-shadow: 0 12px 40px rgba(0,0,0,0.07);
  border-color: rgba(184,50,39,0.35);
}

.assignment-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.assignment-number {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--color-border);
  font-weight: 700;
  line-height: 1;
  flex-shrink: 0;
}

.assignment-card h3 { font-size: 1.1rem; margin-bottom: 4px; }

.assignment-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: 0.8rem;
  color: var(--color-muted);
}

.assignment-meta .sep { opacity: 0.4; }

.assignment-desc {
  font-size: 0.9rem;
  color: var(--color-mid);
  line-height: 1.65;
  margin: 0;
}

.assignment-tags { display: flex; flex-wrap: wrap; gap: 8px; }

/* ---------- Filter Bar ---------- */
.filter-bar {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px 28px;
  margin-bottom: 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: flex-end;
}

.filter-group { display: flex; flex-direction: column; gap: 8px; flex: 1; min-width: 180px; }

.filter-group label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.filter-group select,
.filter-group input {
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  color: var(--color-dark);
  background: var(--color-white);
  outline: none;
  transition: border-color var(--transition);
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.filter-group select:focus,
.filter-group input:focus { border-color: var(--color-red); }

.filter-group select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B6B6B' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 36px; }

.filter-reset {
  padding: 10px 20px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-muted);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.filter-reset:hover { color: var(--color-red); border-color: var(--color-red); }

.filter-results-count {
  font-size: 0.82rem;
  color: var(--color-muted);
  margin-bottom: 24px;
}
.filter-results-count strong { color: var(--color-dark); }

/* ---------- Sector Icon Block ---------- */
.sector-block {
  border-bottom: 1px solid var(--color-border);
  padding: 56px 0;
}
.sector-block:last-child { border-bottom: none; }

.sector-block-inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  align-items: start;
}

.sector-icon-area { position: relative; }

.sector-number {
  font-family: var(--font-serif);
  font-size: 5rem;
  color: var(--color-border);
  font-weight: 700;
  line-height: 1;
  position: absolute;
  top: -12px;
  left: -8px;
  z-index: 0;
  user-select: none;
}

.sector-icon-wrap {
  width: 64px;
  height: 64px;
  background: var(--color-red);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 1.6rem;
  position: relative;
  z-index: 1;
  margin-top: 8px;
}

.sector-content h3 { margin-bottom: 14px; }

.sector-points {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sector-point {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 0.9rem;
  color: var(--color-mid);
}

.sector-point::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-red);
  margin-top: 8px;
  flex-shrink: 0;
}

/* ---------- Clients Callout ---------- */
.client-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.client-chip {
  display: inline-block;
  padding: 8px 18px;
  background: var(--color-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-dark);
  transition: all var(--transition);
}
.client-chip:hover { background: var(--color-red); color: var(--color-white); border-color: var(--color-red); }

/* ---------- Timeline / Experience ---------- */
.timeline { position: relative; padding-left: 32px; }
.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.timeline-item { position: relative; margin-bottom: 40px; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: -39px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-red);
  border: 3px solid var(--color-white);
  box-shadow: 0 0 0 2px var(--color-red);
}

.timeline-date {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-red);
  margin-bottom: 6px;
}

.timeline-title { font-size: 1.05rem; font-weight: 600; color: var(--color-dark); margin-bottom: 6px; }
.timeline-desc  { font-size: 0.88rem; color: var(--color-muted); line-height: 1.65; }

/* ---------- Contact Form ---------- */
.contact-form { max-width: 680px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-mid);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--color-dark);
  background: var(--color-white);
  outline: none;
  transition: border-color var(--transition);
  resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--color-red); box-shadow: 0 0 0 3px rgba(192,57,43,0.08); }

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

/* ---------- Footer ---------- */
.site-footer {
  background: #080808;
  color: rgba(255,255,255,0.65);
  padding: 88px 0 44px;
  border-top: 1px solid rgba(255,255,255,0.04);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 64px;
}

.footer-brand-name {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--color-white);
  margin-bottom: 4px;
}

.footer-brand-name span { color: var(--color-red); }

.footer-brand-tag {
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 20px;
}

.footer-desc { font-size: 0.88rem; line-height: 1.7; max-width: 300px; margin-bottom: 28px; }

.footer-contact-item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.84rem;
  margin-bottom: 10px;
}

.footer-contact-item i { color: var(--color-red); margin-top: 3px; flex-shrink: 0; }

.footer-col-title {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 20px;
}

.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-link {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.65);
  transition: color var(--transition);
}
.footer-link:hover { color: var(--color-white); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.07);
  padding-top: 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.28);
  letter-spacing: 0.02em;
}

/* ---------- Mobile Nav ---------- */
.nav-mobile {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--color-black);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
}

.nav-mobile.open { display: flex; }

.nav-mobile-link {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  color: var(--color-white);
  transition: color var(--transition);
}

.nav-mobile-link:hover { color: var(--color-red); }

.nav-mobile-close {
  position: absolute;
  top: 28px;
  right: 28px;
  background: none;
  border: none;
  cursor: pointer;
  color: rgba(255,255,255,0.6);
  font-size: 1.5rem;
}

/* ---------- Utilities: No Results ---------- */
.no-results {
  text-align: center;
  padding: 64px 28px;
  color: var(--color-muted);
}
.no-results i { font-size: 2.5rem; margin-bottom: 16px; color: var(--color-border); }
.no-results h4 { margin-bottom: 8px; font-family: var(--font-sans); font-size: 1rem; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .sector-block-inner { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 768px) {
  :root { --section-v: 60px; }

  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 28px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }

  .nav-links { display: none; }
  .nav-toggle { display: flex; }

  .filter-bar { flex-direction: column; }

  .page-hero { padding: 130px 0 70px; }
  .assignment-card-header { flex-direction: column; }
}

@media (max-width: 480px) {
  .nav-inner { padding: 16px 20px; }
  .container { padding: 0 20px; }
  .hero-title { font-size: 2.2rem; }
}

/* ---------- Scroll Fade-In Animation ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible { opacity: 1; transform: none; }