/* ===== VARIABLES ===== */
:root {
  /* Brand palette — navy + dourado + areia (baseado na identidade visual) */
  --navy:     #1C3A6E;
  --navy-md:  #24508B;
  --navy-lt:  #3A6DB5;
  --sky:      #D6E8F7;
  --sand-50:  #FDF8F1;
  --sand-100: #F5E6D0;
  --sand-200: #E8CCA5;
  --sand-300: #D4A96A;
  --sand-400: #B8854A;
  --gold:     #C4963D;
  --gold-br:  #D4A840;
  --black:    #0D0D0D;
  --dark:     #111827;
  --charcoal: #374151;
  --white:    #FFFFFF;
  --off-wh:   #F8F6F2;
  --muted:    #6B7280;
  --success:  #2E9E6B;
  --danger:   #D64045;
  --shadow-sm: 0 2px 8px rgba(28,58,110,.08);
  --shadow:    0 4px 20px rgba(28,58,110,.13);
  --shadow-lg: 0 8px 40px rgba(28,58,110,.2);
  --radius:    16px;
  --radius-sm: 8px;
  --transition: .2s ease;
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--off-wh);
  color: var(--dark);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4 {
  font-family: 'Rajdhani', 'Oswald', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -.01em;
}
.text-gold   { color: var(--gold-br); }
.text-sand   { color: var(--sand-300); }
.text-muted  { color: var(--muted); }
.text-center { text-align: center; }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(28,58,110,.97);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(212,168,64,.2);
  padding: 0 1.5rem;
}
.navbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--white);
}
.nav-logo .logo-icon { font-size: 1.5rem; }
.nav-logo .logo-img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  border: 1.5px solid rgba(212,168,64,.4);
  flex-shrink: 0;
}
.nav-logo span { color: var(--gold-br); }
.nav-links {
  display: flex;
  align-items: center;
  gap: .25rem;
  list-style: none;
}
.nav-links a {
  color: rgba(255,255,255,.75);
  font-size: .9rem;
  font-weight: 500;
  padding: .45rem .85rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active {
  color: var(--white);
  background: rgba(240,180,41,.1);
}
.nav-cta {
  background: var(--gold) !important;
  color: var(--black) !important;
  font-weight: 700 !important;
  padding: .5rem 1.1rem !important;
}
.nav-cta:hover { background: var(--gold-br) !important; transform: translateY(-1px); }
.hamburger { display: none; flex-direction: column; gap: 5px; padding: 4px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--white); border-radius: 2px; transition: var(--transition); }

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  background: linear-gradient(160deg, #0F2347 0%, #1C3A6E 45%, #142D58 100%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 100px 1.5rem 80px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 50% 20%, rgba(212,168,64,.14) 0%, transparent 65%),
    radial-gradient(ellipse 60% 45% at 15% 80%, rgba(58,109,181,.2) 0%, transparent 60%),
    radial-gradient(ellipse 40% 35% at 85% 60%, rgba(135,206,234,.06) 0%, transparent 55%);
}
.hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}
.particle {
  position: absolute;
  width: 4px; height: 4px;
  background: var(--gold);
  border-radius: 50%;
  opacity: .3;
  animation: float linear infinite;
}
@keyframes float {
  from { transform: translateY(110vh) rotate(0deg); opacity: 0; }
  10%  { opacity: .3; }
  90%  { opacity: .3; }
  to   { transform: translateY(-10vh) rotate(360deg); opacity: 0; }
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  background: rgba(201,162,39,.15);
  border: 1px solid rgba(201,162,39,.3);
  color: var(--gold-br);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .35rem 1rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
}
.hero h1 {
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  color: var(--white);
  position: relative;
  z-index: 1;
  margin-bottom: 1.2rem;
}
.hero h1 .highlight {
  display: block;
  background: linear-gradient(135deg, var(--gold-br), var(--sand-300));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: rgba(255,255,255,.65);
  max-width: 540px;
  margin: 0 auto 2.5rem;
  position: relative;
  z-index: 1;
}
.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  position: relative;
  z-index: 1;
  margin-bottom: 4rem;
}
.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .4rem;
  color: rgba(255,255,255,.35);
  font-size: .75rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  z-index: 1;
  animation: bounce 2s ease-in-out infinite;
}
.hero-scroll svg { width: 20px; height: 20px; }
@keyframes bounce { 0%,100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(6px); } }

/* Wave divider */
.wave-divider {
  width: 100%;
  overflow: hidden;
  line-height: 0;
  margin-top: -2px;
}
.wave-divider svg { display: block; width: 100%; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  font-family: inherit;
  font-size: .95rem;
  font-weight: 600;
  padding: .75rem 1.75rem;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--gold);
  color: var(--black);
  border-color: var(--gold);
}
.btn-primary:hover {
  background: var(--gold-br);
  border-color: var(--gold-br);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(201,162,39,.4);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,.3);
}
.btn-outline:hover {
  border-color: rgba(255,255,255,.7);
  background: rgba(255,255,255,.06);
}
.btn-dark {
  background: var(--dark);
  color: var(--white);
  border-color: var(--charcoal);
}
.btn-dark:hover { background: var(--charcoal); transform: translateY(-1px); }
.btn-sm { font-size: .82rem; padding: .5rem 1.1rem; }
.btn-lg { font-size: 1.05rem; padding: .9rem 2.2rem; }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none !important; }

/* ===== SECTIONS ===== */
.section { padding: 80px 1.5rem; }
.section-dark { background: var(--dark); color: var(--white); }
.section-sand { background: var(--sand-100); }
.container { max-width: 1200px; margin: 0 auto; }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  color: var(--gold);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: .75rem;
}
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 1rem;
}
.section-sub {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 520px;
}

/* ===== STATS STRIP ===== */
.stats-strip {
  background: var(--black);
  padding: 2.5rem 1.5rem;
}
.stats-grid {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255,255,255,.08);
  border-radius: var(--radius);
  overflow: hidden;
}
.stat-card {
  background: var(--dark);
  padding: 2rem 1.5rem;
  text-align: center;
}
.stat-value {
  font-family: 'Rajdhani', sans-serif;
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--gold-br);
  line-height: 1;
  margin-bottom: .3rem;
}
.stat-label { font-size: .85rem; color: rgba(255,255,255,.5); letter-spacing: .03em; }

/* ===== HOW IT WORKS ===== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}
.step-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
}
.step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.step-num {
  font-family: 'Rajdhani', sans-serif;
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--sand-100);
  line-height: 1;
  position: absolute;
  top: 1rem;
  right: 1.25rem;
}
.step-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}
.step-card h3 { font-size: 1.15rem; margin-bottom: .5rem; }
.step-card p  { font-size: .9rem; color: var(--muted); }

/* ===== TESTIMONIAL PREVIEW ===== */
.preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
  margin-top: 2.5rem;
}
.preview-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: var(--transition);
}
.preview-card:hover { background: rgba(255,255,255,.09); border-color: rgba(201,162,39,.3); }

/* ===== STAR RATINGS ===== */
.stars { display: flex; gap: 2px; }
.star  { font-size: 1rem; }
.star.filled { color: var(--gold-br); }
.star.empty  { color: rgba(255,255,255,.2); }
.star.empty-dark { color: var(--sand-200); }

/* ===== MURAL CARDS ===== */
.mural-header {
  background: var(--dark);
  padding: 100px 1.5rem 3rem;
  text-align: center;
  color: var(--white);
}
.mural-header h1 { font-size: clamp(2rem, 5vw, 3.5rem); margin-bottom: .5rem; }
.mural-header p  { color: rgba(255,255,255,.6); font-size: 1.05rem; }

.filters-bar {
  background: var(--white);
  border-bottom: 1px solid var(--sand-100);
  padding: 1rem 1.5rem;
  position: sticky;
  top: 64px;
  z-index: 50;
  box-shadow: var(--shadow-sm);
}
.filters-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.filters-inner label { font-size: .8rem; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.filter-select {
  border: 1.5px solid var(--sand-200);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--dark);
  font-family: inherit;
  font-size: .9rem;
  padding: .45rem .85rem;
  cursor: pointer;
  transition: var(--transition);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%238B7355'%3E%3Cpath fill-rule='evenodd' d='M5.23 7.21a.75.75 0 011.06.02L10 11.168l3.71-3.938a.75.75 0 111.08 1.04l-4.25 4.5a.75.75 0 01-1.08 0l-4.25-4.5a.75.75 0 01.02-1.06z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right .6rem center;
  background-size: 18px;
  padding-right: 2.2rem;
}
.filter-select:focus { outline: none; border-color: var(--gold); }
.results-count { margin-left: auto; font-size: .85rem; color: var(--muted); font-weight: 500; }

.mural-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
  align-items: start;
}
.feedback-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--sand-100);
  transition: var(--transition);
  animation: cardIn .35s ease both;
}
.feedback-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--sand-200); }
@keyframes cardIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}
.card-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--sand-300));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--black);
  flex-shrink: 0;
}
.avatar-anon {
  background: linear-gradient(135deg, var(--charcoal), var(--dark));
  color: rgba(255,255,255,.5);
  font-size: 1.2rem;
}
.card-meta { flex: 1; }
.card-name { font-weight: 600; font-size: .95rem; color: var(--dark); }
.card-anon { font-size: .85rem; color: var(--muted); font-style: italic; }
.card-date { font-size: .78rem; color: var(--muted); margin-top: 2px; }
.card-rating { display: flex; gap: 2px; }
.card-rating .star { font-size: .9rem; }
.card-rating .star.filled { color: var(--gold); }
.card-rating .star.empty  { color: var(--sand-200); }
.card-body { margin-top: .5rem; }
.card-comment {
  font-size: .95rem;
  color: var(--charcoal);
  line-height: 1.65;
}
.card-tags {
  display: flex;
  gap: .5rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}
.tag {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .04em;
  padding: .2rem .6rem;
  border-radius: 100px;
  background: var(--sand-100);
  color: var(--sand-400);
  text-transform: uppercase;
}
.card-reply {
  margin-top: 1.1rem;
  padding: .9rem 1rem;
  background: var(--sand-50);
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.reply-label {
  font-size: .72rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: .3rem;
}
.reply-text { font-size: .88rem; color: var(--charcoal); }

.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 2rem;
}
.empty-icon { font-size: 3.5rem; margin-bottom: 1rem; opacity: .5; }
.empty-state h3 { font-size: 1.3rem; color: var(--muted); margin-bottom: .5rem; }
.empty-state p  { color: var(--muted); font-size: .9rem; }

/* ===== FEEDBACK FORM ===== */
.form-hero {
  background: var(--dark);
  padding: 100px 1.5rem 3rem;
  text-align: center;
  color: var(--white);
}
.form-hero h1 { font-size: clamp(1.8rem, 4vw, 3rem); margin-bottom: .5rem; }
.form-hero p  { color: rgba(255,255,255,.6); }

.form-wrapper {
  max-width: 680px;
  margin: -2rem auto 4rem;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
}
.form-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.form-group { display: flex; flex-direction: column; gap: .4rem; }
.form-group.full { grid-column: 1 / -1; }
.form-label {
  font-size: .82rem;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: .04em;
  text-transform: uppercase;
}
.form-label .optional {
  font-size: .7rem;
  font-weight: 400;
  color: var(--sand-300);
  margin-left: .3rem;
  text-transform: none;
  letter-spacing: 0;
}
.form-input, .form-select, .form-textarea {
  font-family: inherit;
  font-size: .95rem;
  color: var(--dark);
  background: var(--off-wh);
  border: 1.5px solid var(--sand-200);
  border-radius: var(--radius-sm);
  padding: .7rem 1rem;
  transition: var(--transition);
  width: 100%;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--gold);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(201,162,39,.1);
}
.form-textarea { resize: vertical; min-height: 110px; }
.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%238B7355'%3E%3Cpath fill-rule='evenodd' d='M5.23 7.21a.75.75 0 011.06.02L10 11.168l3.71-3.938a.75.75 0 111.08 1.04l-4.25 4.5a.75.75 0 01-1.08 0l-4.25-4.5a.75.75 0 01.02-1.06z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right .75rem center;
  background-size: 18px;
  padding-right: 2.5rem;
  cursor: pointer;
}

/* Star Rating Widget */
.star-rating {
  display: flex;
  flex-direction: row-reverse;
  gap: .2rem;
  justify-content: flex-end;
}
.star-rating input { display: none; }
.star-rating label {
  font-size: 2.2rem;
  color: var(--sand-200);
  cursor: pointer;
  transition: color .15s, transform .15s;
  user-select: none;
}
.star-rating label:hover,
.star-rating label:hover ~ label,
.star-rating input:checked ~ label {
  color: var(--gold-br);
}
.star-rating label:hover { transform: scale(1.15); }
.star-hint { font-size: .8rem; color: var(--muted); margin-top: .25rem; }

/* Visibility Selector */
.visibility-group { gap: .6rem; }
.vis-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .6rem;
}
.vis-option { position: relative; }
.vis-option input { position: absolute; opacity: 0; width: 0; height: 0; }
.vis-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .35rem;
  padding: .9rem .6rem;
  border: 2px solid var(--sand-200);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  background: var(--off-wh);
}
.vis-label .vis-icon  { font-size: 1.5rem; }
.vis-label .vis-name  { font-size: .82rem; font-weight: 700; color: var(--dark); }
.vis-label .vis-desc  { font-size: .7rem; color: var(--muted); line-height: 1.3; }
.vis-option input:checked + .vis-label {
  border-color: var(--gold);
  background: rgba(201,162,39,.06);
}
.vis-option input:checked + .vis-label .vis-name { color: var(--gold); }
.vis-label:hover { border-color: var(--sand-300); }

/* Form divider */
.form-divider {
  border: none;
  border-top: 1px solid var(--sand-100);
  margin: 1.75rem 0;
}

/* Form actions */
.form-actions { margin-top: 1.75rem; }

/* Success state */
.success-state {
  text-align: center;
  padding: 2.5rem 1.5rem;
  display: none;
}
.success-icon { font-size: 3.5rem; margin-bottom: 1rem; }
.success-state h2 { font-size: 1.6rem; margin-bottom: .5rem; color: var(--success); }
.success-state p  { color: var(--muted); margin-bottom: 1.5rem; }

/* Error/alert */
.alert {
  padding: .85rem 1.1rem;
  border-radius: var(--radius-sm);
  font-size: .88rem;
  margin-bottom: 1rem;
  display: none;
}
.alert-error { background: #FEE2E2; color: #B91C1C; border: 1px solid #FECACA; }
.alert.show   { display: block; }

/* ===== FOOTER ===== */
.footer {
  background: var(--navy);
  color: rgba(255,255,255,.6);
  border-top: 1px solid rgba(255,255,255,.08);
}
.footer-main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem 1.5rem 2rem;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 3rem;
  align-items: start;
}
.footer-brand { display: flex; flex-direction: column; gap: .75rem; }
.footer-logo {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--white);
  display: flex;
  align-items: center;
  gap: .45rem;
}
.footer-logo span { color: var(--gold-br); }
.footer-slogan {
  font-size: .9rem;
  color: rgba(255,255,255,.55);
  font-style: italic;
  line-height: 1.5;
}
.footer-social { display: flex; flex-direction: column; gap: .5rem; margin-top: .25rem; }
.social-link {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  color: rgba(255,255,255,.7);
  font-size: .85rem;
  font-weight: 500;
  transition: var(--transition);
  width: fit-content;
  text-decoration: none;
}
.social-link:hover { color: var(--gold-br); }
.social-link svg { width: 18px; height: 18px; flex-shrink: 0; }
.footer-links { display: flex; flex-direction: column; gap: .5rem; }
.footer-links h4 {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--gold-br);
  margin-bottom: .25rem;
}
.footer-links a {
  color: rgba(255,255,255,.55);
  font-size: .875rem;
  transition: var(--transition);
  text-decoration: none;
}
.footer-links a:hover { color: var(--white); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.07);
  padding: 1.25rem 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .5rem;
}
.footer-company { font-size: .75rem; color: rgba(255,255,255,.35); line-height: 1.6; }
.footer-copy    { font-size: .75rem; color: rgba(255,255,255,.3); }
@media (max-width: 640px) {
  .footer-main { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* ===== LOADING SKELETON ===== */
.skeleton {
  background: linear-gradient(90deg, var(--sand-100) 25%, var(--sand-50) 50%, var(--sand-100) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  border-radius: var(--radius-sm);
}
@keyframes shimmer { to { background-position: -200% 0; } }
.skeleton-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.75rem;
  border: 1px solid var(--sand-100);
}
.skel-line { height: 12px; margin-bottom: 8px; }
.skel-line.w60 { width: 60%; }
.skel-line.w80 { width: 80%; }
.skel-line.w40 { width: 40%; }
.skel-line.w100 { width: 100%; }
.skel-avatar { width: 44px; height: 44px; border-radius: 50%; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .nav-links { display: none; flex-direction: column; gap: 0; position: absolute; top: 64px; left: 0; right: 0; background: var(--black); padding: 1rem; border-bottom: 1px solid rgba(255,255,255,.08); }
  .nav-links.open { display: flex; }
  .nav-links a { padding: .75rem 1rem; border-radius: var(--radius-sm); width: 100%; }
  .hamburger { display: flex; }
  .stats-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .form-group.full { grid-column: 1; }
  .vis-options { grid-template-columns: 1fr; }
  .form-card { padding: 1.5rem; }
  .mural-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2.5rem; }
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-actions .btn { width: 100%; max-width: 280px; }
  .filters-inner { flex-direction: column; align-items: flex-start; }
  .results-count { margin-left: 0; }
}
@media (max-width: 480px) {
  .section { padding: 60px 1.25rem; }
  .steps-grid { grid-template-columns: 1fr; }
}