/* ============================================
   VELOGIC CONSULTING — DESIGN SYSTEM
   ============================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=DM+Sans:ital,wght@0,300;0,400;0,500;1,300;1,400&family=Fraunces:ital,wght@0,300;0,400;1,300;1,400&display=swap');

/* ============================================
   CSS CUSTOM PROPERTIES
   ============================================ */
:root {
  /* Primary colours */
  --navy: #1C2B3A;
  --teal: #4A8FA6;
  --terracotta: #C96B54;

  /* Supporting palette */
  --chalk: #F5F2EE;
  --stone: #E8E4DF;
  --teal-light: #A8CDD8;
  --sand: #C8A97A;
  --ink: #2E2E2E;
  --mid: #6B6560;
  --white: #FDFCFB;
  --mist: #D0CBC4;

  /* Typography */
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --font-serif: 'Fraunces', serif;

  /* Spacing */
  --section-padding: 96px 0;
  --container-max: 1200px;
  --container-pad: 0 24px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--chalk);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ============================================
   LAYOUT
   ============================================ */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--container-pad);
}

.section { padding: var(--section-padding); }
.section--navy { background: var(--navy); color: var(--white); }
.section--chalk { background: var(--chalk); }
.section--stone { background: var(--stone); }
.section--white { background: var(--white); }

/* ============================================
   TYPOGRAPHY
   ============================================ */
.display {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(42px, 6vw, 72px);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

h1, .h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

h2, .h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.25;
}

h3, .h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  line-height: 1.3;
}

.section-tag {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 12px;
  display: block;
}

.section-tag--light { color: var(--teal-light); }

.pull-quote {
  font-family: var(--font-serif);
  font-weight: 300;
  font-style: italic;
  font-size: clamp(18px, 2.5vw, 22px);
  line-height: 1.6;
}

.text-mid { color: var(--mid); }
.text-teal { color: var(--teal); }
.text-terracotta { color: var(--terracotta); }
.text-white { color: var(--white); }
.text-navy { color: var(--navy); }

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 6px;
  padding: 12px 24px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.04em;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn-primary {
  background: var(--navy);
  color: var(--white);
}
.btn-primary:hover { background: #2a3f54; transform: translateY(-1px); }

.btn-secondary {
  background: transparent;
  color: var(--navy);
  border: 1.5px solid var(--navy);
  padding: 11px 24px;
}
.btn-secondary:hover { background: var(--navy); color: var(--white); }

.btn-accent {
  background: var(--terracotta);
  color: var(--white);
}
.btn-accent:hover { background: #b85e48; transform: translateY(-1px); }

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.5);
  padding: 11px 24px;
}
.btn-outline-white:hover { background: rgba(255,255,255,0.1); border-color: var(--white); }

.btn-group {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--navy);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.nav__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  color: var(--white);
  letter-spacing: -0.02em;
}

.nav__logo .logo-g { color: var(--terracotta); }

.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__links a {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,0.75);
  letter-spacing: 0.02em;
  transition: color 0.2s;
}

.nav__links a:hover { color: var(--white); }
.nav__links a.active { color: var(--white); }

.nav__cta { margin-left: 8px; }

/* Mobile nav */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.nav__mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--navy);
  z-index: 200;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transform: translateX(100%);
  transition: transform 0.3s ease-out;
}

.nav__mobile-overlay.is-open {
  display: flex;
  transform: translateX(0);
}

.nav__mobile-close {
  position: absolute;
  top: 20px;
  right: 24px;
  background: none;
  border: none;
  color: var(--white);
  font-size: 28px;
  cursor: pointer;
  line-height: 1;
}

.nav__mobile-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 48px;
  margin-bottom: 48px;
}

.nav__mobile-links a {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  color: var(--white);
  transition: color 0.2s;
}

.nav__mobile-links a:hover { color: var(--terracotta); }

/* ============================================
   HERO
   ============================================ */
.hero {
  background: var(--navy);
  padding: 120px 0 100px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(74,143,166,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201,107,84,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero__content { position: relative; z-index: 1; max-width: 760px; }

.hero__headline {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(48px, 7vw, 80px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  color: var(--white);
  margin-bottom: 24px;
}

.hero__headline .accent { color: var(--terracotta); }

.hero__sub {
  font-family: var(--font-serif);
  font-weight: 300;
  font-style: italic;
  font-size: clamp(18px, 2.5vw, 22px);
  color: rgba(253,252,251,0.7);
  margin-bottom: 40px;
  max-width: 600px;
  line-height: 1.6;
}

.hero__meta {
  display: flex;
  gap: 40px;
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.1);
  flex-wrap: wrap;
}

.hero__meta-item {}
.hero__meta-label {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--teal);
  display: block;
  margin-bottom: 4px;
}
.hero__meta-value {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
}

/* ============================================
   DIVIDERS
   ============================================ */
.divider { border: none; border-top: 1px solid var(--stone); margin: 0; }
.divider--navy { border-top-color: rgba(255,255,255,0.1); }

.heading-rule {
  display: block;
  width: 48px;
  height: 2px;
  background: var(--navy);
  margin-bottom: 20px;
}
.heading-rule--teal { background: var(--terracotta); width: 32px; height: 3px; }
.heading-rule--white { background: var(--white); }

/* ============================================
   CARDS
   ============================================ */
.card {
  background: var(--white);
  border-radius: 8px;
  padding: 32px;
  border: 1px solid var(--stone);
}

.card--navy {
  background: var(--navy);
  color: var(--white);
  border: none;
}

.card--hover {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card--hover:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(28,43,58,0.12);
}

/* Stat cards */
.stat-card {
  background: var(--navy);
  border-radius: 8px;
  padding: 28px;
  text-align: center;
}

.stat-card__value {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 4vw, 40px);
  color: var(--terracotta);
  display: block;
  margin-bottom: 8px;
}

.stat-card__label {
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  line-height: 1.4;
}

/* Service cards */
.service-card {
  background: var(--white);
  border-radius: 8px;
  padding: 36px;
  border: 1px solid var(--stone);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(28,43,58,0.1);
}

.service-card__icon {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: rgba(74,143,166,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--teal);
  font-size: 20px;
}

.service-card__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  color: var(--navy);
  margin-bottom: 12px;
}

.service-card__body {
  font-size: 15px;
  color: var(--mid);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 24px;
}

.service-card__link {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--teal);
  letter-spacing: 0.02em;
  transition: color 0.2s;
}
.service-card__link:hover { color: var(--navy); }

/* ============================================
   GRIDS
   ============================================ */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; align-items: start; }

/* ============================================
   CTA BANNER
   ============================================ */
.cta-banner {
  background: var(--navy);
  padding: 80px 0;
  text-align: center;
}

.cta-banner__heading {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3.5vw, 36px);
  color: var(--white);
  margin-bottom: 16px;
}

.cta-banner__sub {
  font-size: 16px;
  color: rgba(253,252,251,0.7);
  margin-bottom: 36px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

/* ============================================
   PROJECT CARDS
   ============================================ */
.project-card {
  background: var(--white);
  border: 1px solid var(--stone);
  border-radius: 12px;
  padding: 40px;
  margin-bottom: 32px;
}

.project-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--stone);
}

.project-card__title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--navy);
  margin: 8px 0 4px;
}

.project-card__subtitle {
  font-size: 0.9rem;
  color: var(--mid);
}

.project-card__badge {
  flex-shrink: 0;
  display: inline-block;
  background: var(--teal);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 20px;
  margin-top: 4px;
}

.project-card__badge--paused {
  background: var(--stone);
  color: var(--mid);
}

.project-card__body {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
}

.project-card__col-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--terracotta);
  margin-bottom: 12px;
}

.project-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.project-list li {
  font-size: 0.9rem;
  color: var(--ink);
  line-height: 1.6;
  padding: 6px 0 6px 16px;
  position: relative;
  border-bottom: 1px solid var(--chalk);
}

.project-list li:last-child { border-bottom: none; }

.project-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--teal);
  font-size: 0.8rem;
}

@media (max-width: 768px) {
  .project-card { padding: 24px; }
  .project-card__header { flex-direction: column; }
  .project-card__body { grid-template-columns: 1fr; gap: 24px; }
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--navy);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 48px 0 32px;
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.footer__logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  color: var(--white);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  display: block;
}
.footer__logo .logo-g { color: var(--terracotta); }

.footer__tagline {
  font-size: 13px;
  color: rgba(255,255,255,0.45);
  max-width: 220px;
  line-height: 1.6;
}

.footer__links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.footer__links a {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,0.6);
  transition: color 0.2s;
}
.footer__links a:hover { color: var(--white); }

.footer__contact { font-size: 13px; color: rgba(255,255,255,0.6); line-height: 1.8; }
.footer__contact a:hover { color: var(--white); }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer__copy {
  font-size: 12px;
  color: rgba(255,255,255,0.35);
}

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-header {
  margin-bottom: 56px;
}

.section-header--center {
  text-align: center;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 56px;
}

.section-header__heading {
  margin-bottom: 16px;
}

.section-header__body {
  font-size: 16px;
  color: var(--mid);
  line-height: 1.7;
}

/* ============================================
   CLIENT PROFILE CARDS
   ============================================ */
.profile-card {
  background: var(--white);
  border-radius: 8px;
  padding: 36px;
  border: 1px solid var(--stone);
  border-left: 3px solid var(--teal);
}

.profile-card__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  color: var(--navy);
  margin-bottom: 12px;
}

.profile-card__body { font-size: 15px; color: var(--mid); line-height: 1.7; margin-bottom: 20px; }

.signal-list { display: flex; flex-direction: column; gap: 8px; }
.signal-list li {
  font-size: 14px;
  color: var(--ink);
  padding-left: 20px;
  position: relative;
}
.signal-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--terracotta);
  font-weight: 600;
}

/* ============================================
   BRAND MENTIONS
   ============================================ */
.brand-mentions {
  display: flex;
  gap: 32px;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.brand-mention {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.45);
  text-transform: uppercase;
}

/* ============================================
   DIFFERENTIATOR GRID
   ============================================ */
.diff-item {
  display: flex;
  gap: 16px;
  padding: 24px 0;
  border-bottom: 1px solid var(--stone);
}

.diff-item:last-child { border-bottom: none; }

.diff-item__icon {
  width: 36px;
  height: 36px;
  border-radius: 6px;
  background: rgba(74,143,166,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--teal);
  flex-shrink: 0;
  font-size: 16px;
}

.diff-item__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  color: var(--navy);
  margin-bottom: 6px;
}

.diff-item__body { font-size: 14px; color: var(--mid); line-height: 1.6; }

/* ============================================
   QUAL / EDUCATION
   ============================================ */
.qual-list { display: flex; flex-direction: column; gap: 12px; }
.qual-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 20px;
  background: var(--chalk);
  border-radius: 6px;
}
.qual-item__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
  flex-shrink: 0;
  margin-top: 7px;
}
.qual-item__text { font-size: 15px; color: var(--ink); }

/* ============================================
   CONTACT FORM
   ============================================ */
.form-group { margin-bottom: 20px; }

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mid);
  margin-bottom: 8px;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--stone);
  border-radius: 6px;
  background: var(--white);
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--ink);
  transition: border-color 0.2s;
  -webkit-appearance: none;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--teal);
}

.form-input.error,
.form-textarea.error { border-color: var(--terracotta); }

.form-error-msg {
  font-size: 13px;
  color: var(--terracotta);
  margin-top: 6px;
  display: none;
}

.form-error-msg.visible { display: block; }

.form-textarea { resize: vertical; min-height: 120px; }

.form-honeypot { display: none; }

.form-success {
  display: none;
  background: var(--white);
  border-left: 3px solid var(--teal);
  border-radius: 6px;
  padding: 24px;
}

.form-success.visible { display: block; }
.form-success__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  color: var(--navy);
  margin-bottom: 8px;
}
.form-success__body { font-size: 14px; color: var(--mid); }
.form-success__link { color: var(--teal); text-decoration: underline; margin-top: 12px; display: inline-block; }

.form-error-banner {
  display: none;
  background: rgba(201,107,84,0.08);
  border-left: 3px solid var(--terracotta);
  border-radius: 6px;
  padding: 16px;
  font-size: 14px;
  color: var(--ink);
  margin-bottom: 16px;
}
.form-error-banner.visible { display: block; }

/* ============================================
   INSIGHTS / BLOG CARDS
   ============================================ */
.insight-card {
  background: var(--white);
  border-radius: 8px;
  padding: 28px;
  border: 1px solid var(--stone);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.insight-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(28,43,58,0.1);
}

.insight-card__tag {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 12px;
}

.insight-card__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  color: var(--navy);
  margin-bottom: 10px;
  line-height: 1.4;
}

.insight-card__excerpt { font-size: 14px; color: var(--mid); line-height: 1.65; flex: 1; margin-bottom: 20px; }

.insight-card__footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  border-top: 1px solid var(--stone);
}

.insight-card__date { font-size: 12px; color: var(--mist); }
.insight-card__link {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  color: var(--teal);
  letter-spacing: 0.04em;
}

/* ============================================
   PAGE HERO (interior pages)
   ============================================ */
.page-hero {
  background: var(--navy);
  padding: 80px 0 72px;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -5%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(74,143,166,0.1) 0%, transparent 70%);
}

.page-hero__content { position: relative; z-index: 1; max-width: 640px; }

.page-hero__heading {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(32px, 5vw, 52px);
  color: var(--white);
  margin-bottom: 16px;
  line-height: 1.1;
}

.page-hero__sub {
  font-family: var(--font-serif);
  font-weight: 300;
  font-style: italic;
  font-size: 18px;
  color: rgba(253,252,251,0.7);
  line-height: 1.6;
}

/* ============================================
   404
   ============================================ */
.not-found {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 24px;
}

.not-found__num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(80px, 15vw, 140px);
  color: var(--navy);
  line-height: 1;
  margin-bottom: 16px;
}

.not-found__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 22px;
  color: var(--navy);
  margin-bottom: 12px;
}

.not-found__body { font-size: 15px; color: var(--mid); margin-bottom: 32px; }

.not-found__links { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.not-found__links a { font-family: var(--font-display); font-size: 14px; font-weight: 600; color: var(--teal); }

/* ============================================
   UTILITIES
   ============================================ */
.mb-8  { margin-bottom: 8px; }
.mb-12 { margin-bottom: 12px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.mb-40 { margin-bottom: 40px; }
.mb-48 { margin-bottom: 48px; }
.mb-56 { margin-bottom: 56px; }

.mt-auto { margin-top: auto; }

.text-center { text-align: center; }

.max-w-640 { max-width: 640px; }
.max-w-760 { max-width: 760px; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 900px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  :root { --section-padding: 64px 0; }

  .nav__links { display: none; }
  .nav__hamburger { display: flex; }

  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }

  .hero { padding: 80px 0 64px; }

  .hero__meta { gap: 24px; }

  .footer__inner { flex-direction: column; gap: 32px; }
  .footer__bottom { flex-direction: column; text-align: center; }

  .btn-group { flex-direction: column; align-items: flex-start; }
}