/* ========================================
   EXPRESS CHURRASQUEIRA — Design System
   Colors from DESIGN.md (Artisan Masonry & Hearth)
   ======================================== */

:root {
  /* Surfaces */
  --surface:                 #121414;
  --surface-dim:             #121414;
  --surface-bright:          #38393a;
  --surface-container-lowest:#0c0f0f;
  --surface-container-low:   #1a1c1c;
  --surface-container:       #1e2020;
  --surface-container-high:  #282a2b;
  --surface-container-highest:#333535;
  --on-surface:              #e2e2e2;
  --on-surface-variant:      #e3bebb;

  /* Primary */
  --primary:                 #ffb3b0;
  --on-primary:              #68000f;
  --primary-container:       #be1e2d;
  --on-primary-container:    #ffd3d1;
  --inverse-primary:         #b91a2a;

  /* Secondary */
  --secondary:               #c8c6c5;
  --on-secondary:            #313030;
  --secondary-container:     #474746;

  /* Outline */
  --outline:                 #aa8987;
  --outline-variant:         #5b403f;

  /* Error */
  --error:                   #ffb4ab;
  --error-container:         #93000a;

  /* Spacing */
  --sp-xs: 4px;
  --sp-sm: 12px;
  --sp-md: 24px;
  --sp-lg: 48px;
  --sp-xl: 80px;
  --gutter: 24px;
  --margin-mobile: 16px;
  --margin-desktop: 64px;

  /* Radius */
  --r-sm: 0.125rem;
  --r-default: 0.25rem;
  --r-md: 0.375rem;
  --r-lg: 0.5rem;
  --r-xl: 0.75rem;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 72px; }

body {
  font-family: 'Work Sans', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--on-surface);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
}

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

/* ========== CONTAINER ========== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--margin-mobile);
}
@media (min-width: 768px) {
  .container { padding: 0 var(--gutter); }
}
@media (min-width: 1024px) {
  .container { padding: 0 var(--margin-desktop); }
}

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: 'Anton', sans-serif;
  font-size: 14px;
  letter-spacing: 0.05em;
  padding: 12px 28px;
  border: none;
  border-radius: var(--r-default);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.btn--primary {
  background: var(--primary-container);
  color: #fff;
}
.btn--primary:hover {
  background: #d4222f;
  box-shadow: 4px 4px 0px rgba(0,0,0,0.6);
}
.btn--secondary {
  background: var(--surface-container-high);
  color: var(--on-surface);
  border: 1px solid var(--on-surface);
}
.btn--secondary:hover {
  background: var(--surface-bright);
}
.btn--outline-primary {
  background: transparent;
  color: var(--primary-container);
  border: 2px solid var(--primary-container);
  font-size: 18px;
}
.btn--outline-primary:hover {
  background: var(--primary-container);
  color: #fff;
}
.btn--sm { padding: 8px 20px; font-size: 12px; }
.btn--lg { padding: 16px 36px; }

/* ========== HEADER ========== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(12, 15, 15, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--outline-variant);
  transition: background 0.3s;
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 16px;
}
.header__logo {
  font-family: 'Anton', sans-serif;
  font-size: 18px;
  letter-spacing: 0.04em;
  color: var(--on-surface);
  flex-shrink: 0;
}
.header__nav {
  display: none;
  gap: var(--sp-md);
}
.header__link {
  font-family: 'Work Sans', sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: var(--secondary);
  transition: color 0.2s;
  position: relative;
}
.header__link:hover,
.header__link.active {
  color: var(--primary-container);
}
.header__link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--primary-container);
}
.header__cta { display: none; }
.header__social { display: flex; gap: 12px; align-items: center; }
.header__social a { color: var(--on-surface); transition: color 0.2s; }
.header__social a:hover { color: var(--primary); }
.header__hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.header__hamburger span {
  width: 24px;
  height: 2px;
  background: var(--on-surface);
  border-radius: 2px;
  transition: all 0.3s;
}
.header__hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.header__hamburger.open span:nth-child(2) { opacity: 0; }
.header__hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

@media (min-width: 768px) {
  .header__nav { display: flex; }
  .header__hamburger { display: none; }
  .header__cta { display: inline-flex; }
}

/* Mobile nav */
.header__nav.open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 64px;
  left: 0;
  width: 100%;
  background: var(--surface-container-lowest);
  padding: var(--sp-md);
  gap: var(--sp-md);
  border-bottom: 1px solid var(--outline-variant);
}

/* ========== HERO ========== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background:
    url('img/churrasqueira-forno-completa.jpg')
    center/cover no-repeat;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(12,15,15,0.92) 0%,
    rgba(12,15,15,0.7) 50%,
    rgba(12,15,15,0.4) 100%
  );
}
.hero__content {
  position: relative;
  z-index: 2;
  max-width: 640px;
  padding: var(--sp-xl) 0;
}
.hero__title {
  font-family: 'Anton', sans-serif;
  font-size: 48px;
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--on-surface);
  margin-bottom: var(--sp-md);
}
.hero__title--accent {
  color: var(--primary-container);
}
.hero__subtitle {
  font-size: 18px;
  line-height: 1.6;
  color: var(--secondary);
  margin-bottom: var(--sp-lg);
  max-width: 480px;
}
.hero__subtitle strong {
  color: var(--primary);
}
.hero__actions {
  display: flex;
  gap: var(--sp-sm);
  flex-wrap: wrap;
}

@media (min-width: 768px) {
  .hero__title { font-size: 64px; }
}

/* ========== SECTIONS ========== */
.section {
  padding: var(--sp-xl) 0;
}
.section__title {
  font-family: 'Anton', sans-serif;
  font-size: 32px;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: 0.02em;
  text-align: center;
  margin-bottom: var(--sp-lg);
  color: var(--on-surface);
}
.section__title--left { text-align: left; }

/* ========== SPECIALISTS ========== */
.specialists {
  background: var(--surface-container-lowest);
}
.specialists__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-md);
}
.specialist-card {
  background: var(--surface-container-high);
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--outline-variant);
  transition: transform 0.3s, box-shadow 0.3s;
}
.specialist-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}
.specialist-card__img {
  width: 100%;
  height: 200px;
  background-size: cover;
  background-position: center;
  position: relative;
}
.specialist-card__img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.5) 0%, transparent 60%);
}
.specialist-card__body {
  padding: var(--sp-md);
}
.specialist-card__title {
  font-family: 'Anton', sans-serif;
  font-size: 18px;
  font-weight: 400;
  letter-spacing: 0.03em;
  margin-bottom: var(--sp-xs);
}
.specialist-card__text {
  font-size: 14px;
  color: var(--secondary);
  line-height: 1.5;
}

@media (min-width: 768px) {
  .specialists__grid {
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto auto;
  }
  .specialist-card--large {
    grid-row: 1 / 3;
  }
  .specialist-card--large .specialist-card__img {
    height: 280px;
  }
  .specialist-card--wide {
    grid-column: 2 / 4;
  }
}

/* ========== STORE ========== */
.store {
  background: var(--surface);
}
.store__header {
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
  margin-bottom: var(--sp-lg);
}
.store__subtitle {
  font-size: 14px;
  color: var(--secondary);
}
.store__catalog-link {
  font-family: 'Work Sans', sans-serif;
  font-weight: 600;
  font-size: 14px;
  color: var(--primary-container);
  letter-spacing: 0.03em;
  transition: color 0.2s;
}
.store__catalog-link:hover { color: var(--primary); }

@media (min-width: 768px) {
  .store__header {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }
}

.store__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-md);
}
@media (min-width: 640px) {
  .store__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 960px) {
  .store__grid { grid-template-columns: repeat(3, 1fr); }
}

.product-card {
  background: var(--surface-container-high);
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--outline-variant);
  position: relative;
  transition: transform 0.3s, box-shadow 0.3s;
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}
.product-card__badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--primary-container);
  color: #fff;
  font-family: 'Work Sans', sans-serif;
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.06em;
  padding: 4px 12px;
  border-radius: var(--r-default);
  z-index: 2;
}
.product-card__img {
  width: 100%;
  height: 200px;
  background-size: cover;
  background-position: center;
  background-color: var(--surface-container);
}
.product-card__body {
  padding: var(--sp-md);
}
.product-card__title {
  font-family: 'Anton', sans-serif;
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 0.03em;
  margin-bottom: var(--sp-xs);
}
.product-card__desc {
  font-size: 13px;
  color: var(--secondary);
  margin-bottom: var(--sp-md);
  line-height: 1.5;
}
.product-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.product-card__price {
  font-family: 'Work Sans', sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: var(--on-surface);
}

/* ========== TRUST ========== */
.trust {
  background: var(--surface-container-low);
}
.trust__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-lg);
}
.trust__badge {
  flex-shrink: 0;
}
.trust__badge-border {
  border: 3px solid var(--primary-container);
  border-radius: var(--r-lg);
  padding: var(--sp-lg) var(--sp-md);
  text-align: center;
  position: relative;
}
.trust__badge-title {
  font-family: 'Anton', sans-serif;
  font-size: 48px;
  line-height: 1;
  color: var(--primary-container);
  margin-bottom: var(--sp-md);
}
.trust__badge-sub {
  font-family: 'Work Sans', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--on-surface);
  line-height: 1.4;
}
.trust__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-md);
  width: 100%;
}
.trust__item {
  display: flex;
  flex-direction: column;
  gap: var(--sp-xs);
}
.trust__icon {
  font-size: 24px;
  color: var(--primary-container);
  margin-bottom: var(--sp-xs);
}
.trust__item-title {
  font-family: 'Anton', sans-serif;
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 0.03em;
}
.trust__item-text {
  font-size: 14px;
  color: var(--secondary);
  line-height: 1.5;
}

@media (min-width: 768px) {
  .trust__inner { flex-direction: row; align-items: flex-start; }
  .trust__grid { grid-template-columns: 1fr 1fr; }
}

/* ========== CTA BAR ========== */
.cta-bar {
  background: var(--surface-container-high);
  padding: var(--sp-lg) 0;
  border-top: 1px solid var(--outline-variant);
  border-bottom: 1px solid var(--outline-variant);
}
.cta-bar__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-md);
  text-align: center;
}
.cta-bar__left {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
}
.cta-bar__icon {
  font-size: 32px;
  color: var(--primary-container);
  flex-shrink: 0;
}
.cta-bar__title {
  font-family: 'Anton', sans-serif;
  font-size: 20px;
  font-weight: 400;
  letter-spacing: 0.02em;
}
.cta-bar__subtitle {
  font-size: 14px;
  color: var(--secondary);
  margin-top: var(--sp-xs);
}
.cta-bar__phone {
  font-size: 20px;
  letter-spacing: 0.03em;
}

@media (min-width: 768px) {
  .cta-bar__inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
  .cta-bar__title { font-size: 24px; }
}

/* ========== FOOTER ========== */
.footer {
  background: var(--surface-container-lowest);
  padding: var(--sp-xl) 0 var(--sp-md);
  border-top: 1px solid var(--outline-variant);
}
.footer__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-lg);
  margin-bottom: var(--sp-lg);
}
.footer__logo {
  font-family: 'Anton', sans-serif;
  font-size: 20px;
  margin-bottom: var(--sp-sm);
}
.footer__desc {
  font-size: 14px;
  color: var(--secondary);
  line-height: 1.6;
  max-width: 320px;
}
.footer__col { display: flex; flex-direction: column; gap: var(--sp-sm); }
.footer__col-title {
  font-family: 'Work Sans', sans-serif;
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--on-surface);
  margin-bottom: var(--sp-xs);
}
.footer__link {
  font-size: 14px;
  color: var(--secondary);
  transition: color 0.2s;
}
.footer__link:hover { color: var(--primary); }

.footer__bottom {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--sp-sm);
  position: relative;
  padding-top: var(--sp-md);
  border-top: 1px solid var(--outline-variant);
  font-size: 13px;
  color: var(--outline);
}
.footer__legal { display: flex; gap: var(--sp-md); }
.footer__legal a { color: var(--outline); transition: color 0.2s; }
.footer__legal a:hover { color: var(--primary); }
.footer__dev { font-size: 0.75rem; color: var(--outline); margin-top: 0.25rem; }
.footer__dev a { color: var(--primary); text-decoration: none; transition: opacity 0.2s; }
.footer__dev a:hover { opacity: 0.8; text-decoration: underline; }
.admin-shield { opacity: 0.25; transition: opacity 0.3s; }
.admin-shield:hover { opacity: 0.7; }

@media (min-width: 768px) {
  .footer__inner { grid-template-columns: 2fr 1fr 1fr; }
  .footer__bottom { flex-direction: row; justify-content: space-between; }
}

/* ========== WHATSAPP FLOAT ========== */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 90;
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
  transition: transform 0.2s;
}
.whatsapp-float:hover { transform: scale(1.1); }

/* ========== SCROLL ANIMATIONS ========== */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}