/* ============================================================
   BELKAL – STYLESHEET
   Clean, performant CSS using custom properties + BEM
   ============================================================ */

/* ── Custom Properties ────────────────────────────────────── */
:root {
  /* Brand Colors */
  --color-primary:       #1a56db;
  --color-primary-dark:  #1245b8;
  --color-primary-light: #4d81f0;
  --color-dark:          #1a1a1a;
  --color-dark-2:        #2c2c2c;
  --color-dark-3:        #3d3d3d;
  --color-gray:          #6b7280;
  --color-gray-light:    #9ca3af;
  --color-border:        #e5e7eb;
  --color-bg:            #ffffff;
  --color-bg-alt:        #f8f5f0;
  --color-bg-dark:       #111111;
  --color-text:          #2c2c2c;
  --color-text-light:    #6b7280;

  /* Typography */
  --font-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;
  --text-5xl:  3rem;
  --text-6xl:  3.75rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Layout */
  --container-max: 1280px;
  --container-pad: clamp(1rem, 5vw, 2rem);
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0,0,0,.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -1px rgba(0,0,0,.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -2px rgba(0,0,0,.05);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,.1), 0 10px 10px -5px rgba(0,0,0,.04);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* Header */
  --header-h: 72px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-base);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-dark-2);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
textarea { resize: vertical; }
iframe { border: 0; }

/* Focus visible */
:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  background: var(--color-dark);
  color: #fff;
  padding: var(--space-3) var(--space-6);
  z-index: 9999;
  transition: top var(--transition-fast);
}
.skip-link:focus { top: 0; }

/* ── Utilities ────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section-label {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.section-title {
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-dark);
  margin-bottom: var(--space-5);
}

.section-text {
  font-size: var(--text-lg);
  color: var(--color-gray);
  max-width: 60ch;
  margin-bottom: var(--space-8);
  line-height: 1.7;
}

.section-header { margin-bottom: var(--space-12); }
.section-header--center { text-align: center; }
.section-header--center .section-text { margin-inline: auto; }

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-8);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: .02em;
  border-radius: var(--radius-full);
  transition: background var(--transition-base), color var(--transition-base),
              box-shadow var(--transition-base), transform var(--transition-fast);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(26,86,219,.35);
}
.btn--primary:hover {
  background: var(--color-primary-dark);
  box-shadow: 0 6px 20px rgba(26,86,219,.45);
}

.btn--outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,.6);
}
.btn--outline:hover {
  background: rgba(255,255,255,.1);
  border-color: #fff;
}

.btn--secondary {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}
.btn--secondary:hover {
  background: var(--color-primary);
  color: #fff;
}

.btn--full { width: 100%; }

/* ── Header ───────────────────────────────────────────────── */
/*
 * backdrop-filter is placed on a ::before pseudo-element instead of the
 * header itself. When backdrop-filter is set on the header directly it
 * creates a containing block, trapping position:fixed children (like the
 * mobile drawer) inside the header's box instead of the viewport.
 */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255,255,255,.92);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base);
}
/* Frosted-glass blur lives here — pseudo-elements don't create containing blocks */
.header::before {
  content: '';
  position: absolute;
  inset: 0;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: -1;
  pointer-events: none;
}
.header.scrolled { box-shadow: var(--shadow-md); }

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header__logo img { height: 52px; width: auto; }

.header__nav { display: flex; }

.header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.header__nav-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-dark-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  transition: color var(--transition-base), background var(--transition-base);
}
.header__nav-link:hover { color: var(--color-primary); }

.header__nav-link--cta {
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-2) var(--space-6);
  font-weight: 600;
}
.header__nav-link--cta:hover {
  background: var(--color-primary-dark);
  color: #fff;
}

/* Hamburger */
.header__menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  gap: 5px;
  padding: var(--space-2);
  border-radius: var(--radius-md);
}
.header__menu-icon,
.header__menu-icon::before,
.header__menu-icon::after {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-dark-2);
  transition: transform var(--transition-base), opacity var(--transition-base);
  border-radius: 2px;
}
.header__menu-icon::before,
.header__menu-icon::after { content: ''; }
.header__menu-icon::before { transform: translateY(-7px); }
.header__menu-icon::after  { transform: translateY(5px); }

.header__menu-btn.open .header__menu-icon { background: transparent; }
.header__menu-btn.open .header__menu-icon::before { transform: rotate(45deg) translate(4px, 4px); }
.header__menu-btn.open .header__menu-icon::after  { transform: rotate(-45deg) translate(4px, -4px); }

/* Contact footer injected by JS — hidden on desktop, shown in mobile drawer */
.header__nav-contact { display: none; }
/* Mobile nav backdrop — hidden globally, shown via JS div injected into <body> */
.nav-backdrop { display: none; }

/* ── Hero ─────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  background:
    url('../images/pedreira-da-pedra-calcaria-33162987.webp')
    center/cover no-repeat;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(17,17,17,.82) 0%,
    rgba(17,17,17,.65) 50%,
    rgba(17,17,17,.4) 100%
  );
}

.hero__container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: flex-end;
  gap: var(--space-8);
  padding-block: var(--space-24);
}

.hero__content { max-width: 640px; }

.hero__label {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-primary-light);
  margin-bottom: var(--space-4);
}

.hero__title {
  font-size: clamp(var(--text-3xl), 5vw, var(--text-6xl));
  font-weight: 800;
  line-height: 1.1;
  color: #fff;
  margin-bottom: var(--space-6);
}

.hero__text {
  font-size: var(--text-lg);
  color: rgba(255,255,255,.8);
  line-height: 1.7;
  margin-bottom: var(--space-8);
  max-width: 55ch;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
}

.hero__social {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-self: center;
}

.hero__social-link {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--radius-full);
  color: #fff;
  transition: background var(--transition-base), border-color var(--transition-base);
}
.hero__social-link:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

/* Hero scroll indicator */
.hero::after {
  content: '';
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 40px;
  border: 2px solid rgba(255,255,255,.4);
  border-radius: var(--radius-full);
  animation: scroll-hint 2s infinite;
}
@keyframes scroll-hint {
  0%, 100% { opacity: .3; transform: translateX(-50%) translateY(0); }
  50%       { opacity: 1;  transform: translateX(-50%) translateY(6px); }
}

/* ── Segments ─────────────────────────────────────────────── */
.segments {
  padding-block: var(--space-24);
  background: var(--color-bg);
}

.segments__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-6);
}

.segment-card {
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--color-bg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.segment-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.segment-card__img-wrap {
  aspect-ratio: 16/9;
  overflow: hidden;
}
.segment-card__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.segment-card:hover .segment-card__img-wrap img { transform: scale(1.06); }

.segment-card__body { padding: var(--space-5); }

.segment-card__title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: var(--space-2);
}

.segment-card__text {
  font-size: var(--text-sm);
  color: var(--color-gray);
  line-height: 1.6;
}

/* ── Why Us ───────────────────────────────────────────────── */
.why-us {
  padding-block: var(--space-24);
  background: var(--color-bg-alt);
}

.why-us__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-6);
}

.why-card {
  padding: var(--space-8);
  background: var(--color-bg);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
}
.why-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(26,86,219,.08), var(--shadow-lg);
  transform: translateY(-3px);
}

.why-card__icon {
  width: 56px;
  height: 56px;
  background: rgba(26,86,219,.1);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: var(--space-5);
}

.why-card__title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: var(--space-3);
}

.why-card__text {
  font-size: var(--text-sm);
  color: var(--color-gray);
  line-height: 1.7;
}

/* ── Products ─────────────────────────────────────────────── */
.products {
  padding-block: var(--space-24);
  background: var(--color-bg-dark);
}
.products .section-label { color: var(--color-primary-light); }
.products .section-title { color: #fff; }

.products__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-6);
}

.product-card {
  background: #1e1e1e;
  border: 1px solid #2e2e2e;
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
}
.product-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: 0 0 0 2px rgba(26,86,219,.2), var(--shadow-xl);
}

.product-card__img-wrap {
  background: #252525;
  padding: var(--space-8) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 220px;
}
.product-card__img-wrap img {
  max-height: 200px;
  width: auto;
  object-fit: contain;
  transition: transform var(--transition-slow);
}
.product-card:hover .product-card__img-wrap img { transform: scale(1.05); }

.product-card__body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-card__title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: #fff;
  margin-bottom: var(--space-3);
}

.product-card__text {
  font-size: var(--text-sm);
  color: rgba(255,255,255,.6);
  line-height: 1.6;
  flex: 1;
  margin-bottom: var(--space-5);
}

.product-card__link {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary-light);
  transition: color var(--transition-fast), gap var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.product-card__link:hover { color: var(--color-primary); }

/* ── About ────────────────────────────────────────────────── */
.about {
  padding-block: var(--space-24);
  background: var(--color-bg);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.about__content p {
  color: var(--color-gray);
  margin-bottom: var(--space-4);
  line-height: 1.7;
}

.about__pillars {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  margin-top: var(--space-8);
}

.pillar {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.pillar__icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: rgba(26,86,219,.1);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.pillar div strong {
  display: block;
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--color-dark);
  margin-bottom: var(--space-1);
}
.pillar div span {
  font-size: var(--text-sm);
  color: var(--color-gray);
}

.about__image { position: relative; }

.about__image img {
  width: 100%;
  border-radius: var(--radius-2xl);
  object-fit: cover;
  aspect-ratio: 4/3;
}

.about__stats {
  position: absolute;
  bottom: calc(-1 * var(--space-8));
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  background: var(--color-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-5) var(--space-8);
  display: flex;
  gap: var(--space-8);
  box-shadow: var(--shadow-xl);
}

.stat { text-align: center; }

.stat__number {
  font-size: var(--text-3xl);
  font-weight: 800;
  color: #fff;
  display: inline;
}

.stat__unit {
  font-size: var(--text-xl);
  font-weight: 700;
  color: rgba(255,255,255,.8);
}

.stat__label {
  display: block;
  font-size: var(--text-xs);
  color: rgba(255,255,255,.75);
  font-weight: 500;
  margin-top: var(--space-1);
}

/* ── Testimonials ─────────────────────────────────────────── */
.testimonials {
  padding-block: var(--space-32) var(--space-24);
  background: var(--color-bg-alt);
}

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

.testimonial-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  position: relative;
}
.testimonial-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: var(--space-8);
  width: 48px;
  height: 3px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
}

.testimonial-card__icon {
  color: var(--color-primary);
  opacity: .2;
  margin-bottom: var(--space-4);
}

.testimonial-card p {
  font-size: var(--text-base);
  font-style: italic;
  color: var(--color-gray);
  line-height: 1.7;
  margin-bottom: var(--space-6);
}

.testimonial-card footer cite {
  font-style: normal;
}
.testimonial-card footer cite strong {
  display: block;
  font-weight: 700;
  color: var(--color-dark);
  font-size: var(--text-sm);
}
.testimonial-card footer cite span {
  font-size: var(--text-xs);
  color: var(--color-primary);
  font-weight: 500;
}

/* ── CTA / Contact ────────────────────────────────────────── */
.cta {
  padding-block: var(--space-24);
  background: var(--color-bg);
}

.cta__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
  margin-bottom: var(--space-12);
}

.cta__title {
  font-size: clamp(var(--text-2xl), 3vw, var(--text-4xl));
  font-weight: 800;
  color: var(--color-dark);
  line-height: 1.2;
  margin-bottom: var(--space-4);
}

.cta__text {
  font-size: var(--text-lg);
  color: var(--color-gray);
  line-height: 1.7;
  margin-bottom: var(--space-8);
}

.cta__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.cta__contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-dark-2);
  transition: color var(--transition-fast);
}
a.cta__contact-item:hover { color: var(--color-primary); }

.cta__contact-item svg {
  flex-shrink: 0;
  color: var(--color-primary);
}

/* Form */
.cta__form-wrap {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
}

.cta__form-title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: var(--space-6);
}

.form-group { margin-bottom: var(--space-5); }

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-dark-2);
  margin-bottom: var(--space-2);
}
.form-label span { color: var(--color-primary); }

.form-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-family: var(--font-base);
  font-size: var(--text-sm);
  color: var(--color-dark-2);
  background: var(--color-bg);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  appearance: none;
  -webkit-appearance: none;
}
.form-input::placeholder { color: var(--color-gray-light); }
.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26,86,219,.12);
}
.form-input:invalid:not(:placeholder-shown) { border-color: #ef4444; }

.form-textarea { min-height: 100px; }

.form-select {
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 18px;
  padding-right: var(--space-10);
}

.form-error {
  display: block;
  font-size: var(--text-xs);
  color: #ef4444;
  margin-top: var(--space-1);
  min-height: 1em;
}

/* ── Toast Notifications ──────────────────────────────────── */
.toast-container {
  position: fixed;
  top: calc(var(--header-h) + 16px);
  right: 16px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 380px;
  pointer-events: none;
}
.toast {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  min-width: 280px;
  padding: var(--space-4) var(--space-10) var(--space-4) var(--space-4);
  background: #fff;
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  pointer-events: auto;
  transform: translateX(120%);
  opacity: 0;
  transition: transform var(--transition-base), opacity var(--transition-base);
}
.toast.is-visible { transform: translateX(0); opacity: 1; }
.toast.is-leaving { transform: translateX(120%); opacity: 0; }
.toast--success { border-left-color: #16a34a; }
.toast--error   { border-left-color: #dc2626; }

.toast__icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  margin-top: 1px;
}
.toast--success .toast__icon { background: #16a34a; }
.toast--error   .toast__icon { background: #dc2626; }

.toast__body { flex: 1; min-width: 0; }
.toast__title {
  margin: 0 0 2px;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-dark);
  line-height: 1.3;
}
.toast__message {
  margin: 0;
  font-size: var(--text-xs);
  color: var(--color-text-light);
  line-height: 1.5;
}
.toast__close {
  position: absolute;
  top: 8px;
  right: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  padding: 0;
  background: transparent;
  border: 0;
  border-radius: var(--radius-sm);
  color: var(--color-gray);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.toast__close:hover { background: rgba(0,0,0,.05); color: var(--color-dark); }

@media (max-width: 480px) {
  .toast-container {
    top: auto;
    bottom: 16px;
    left: 16px;
    right: 16px;
    max-width: none;
  }
  .toast { transform: translateY(120%); }
  .toast.is-visible { transform: translateY(0); }
  .toast.is-leaving { transform: translateY(120%); }
}

@media (prefers-reduced-motion: reduce) {
  .toast { transition: opacity var(--transition-base); transform: none; }
  .toast.is-visible { transform: none; }
  .toast.is-leaving { transform: none; }
}

/* Map */
.cta__map {
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
}
.cta__map iframe {
  width: 100%;
  height: 350px;
}

/* ── Footer ───────────────────────────────────────────────── */
.footer {
  background: var(--color-bg-dark);
  color: rgba(255,255,255,.7);
  padding-block: var(--space-16) var(--space-8);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.footer__tagline {
  font-size: var(--text-sm);
  line-height: 1.6;
  margin-top: var(--space-4);
  color: rgba(255,255,255,.5);
  max-width: 36ch;
}

.footer__social {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.footer__social-link {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,.06);
  border-radius: var(--radius-full);
  color: rgba(255,255,255,.6);
  transition: background var(--transition-base), color var(--transition-base);
}
.footer__social-link:hover {
  background: var(--color-primary);
  color: #fff;
}

.footer__heading {
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: #fff;
  margin-bottom: var(--space-5);
}

.footer__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__link {
  font-size: var(--text-sm);
  color: rgba(255,255,255,.55);
  transition: color var(--transition-fast);
}
.footer__link:hover { color: var(--color-primary-light); }

.footer__link--contact { display: block; }

.footer__address {
  font-size: var(--text-sm);
  color: rgba(255,255,255,.45);
  line-height: 1.6;
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: var(--text-sm);
  color: rgba(255,255,255,.35);
}

.footer__legal {
  display: flex;
  gap: var(--space-6);
}

/* ── WhatsApp Floating Button ─────────────────────────────── */
.whatsapp-btn {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: 50;
  width: 56px;
  height: 56px;
  background: #25d366;
  color: #fff;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37,211,102,.4);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.whatsapp-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(37,211,102,.55);
}

/* ── Back to Top ──────────────────────────────────────────── */
.back-to-top {
  position: fixed;
  bottom: calc(var(--space-6) + 64px);
  right: var(--space-6);
  z-index: 50;
  width: 44px;
  height: 44px;
  background: var(--color-dark-2);
  color: #fff;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base), transform var(--transition-base);
}
.back-to-top:not([hidden]) {
  opacity: 1;
  pointer-events: auto;
}
.back-to-top:hover { transform: translateY(-2px); }

/* ── Animations ───────────────────────────────────────────── */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.animate-fade-up {
  animation: fade-up .6s ease both;
}

/* ── Cookie Consent Banner ────────────────────────────────── */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9000;
  background: #0f1620;
  color: rgba(255,255,255,.88);
  padding: var(--space-5) var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
  box-shadow: 0 -4px 32px rgba(0,0,0,.35);
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.cookie-banner.visible {
  transform: translateY(0);
}
.cookie-banner__text {
  flex: 1;
  min-width: 260px;
  font-size: var(--text-sm);
  line-height: 1.6;
}
.cookie-banner__text strong {
  display: block;
  color: #fff;
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-1);
}
.cookie-banner__text a {
  color: var(--color-primary-light);
  text-decoration: underline;
}
.cookie-banner__text a:hover { color: #fff; }
.cookie-banner__actions {
  display: flex;
  gap: var(--space-3);
  flex-shrink: 0;
  flex-wrap: wrap;
}
.cookie-banner__btn {
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  white-space: nowrap;
  border: 2px solid transparent;
}
.cookie-banner__btn--accept {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.cookie-banner__btn--accept:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}
.cookie-banner__btn--essential {
  background: transparent;
  color: rgba(255,255,255,.75);
  border-color: rgba(255,255,255,.25);
}
.cookie-banner__btn--essential:hover {
  border-color: rgba(255,255,255,.6);
  color: #fff;
}
@media (max-width: 540px) {
  .cookie-banner {
    padding: var(--space-5) var(--space-4);
    gap: var(--space-4);
  }
  .cookie-banner__actions { width: 100%; }
  .cookie-banner__btn { flex: 1; text-align: center; }
}

/* ── Legal pages (política de privacidade / termos de uso) ── */
.legal-content {
  max-width: 760px;
  margin: 0 auto;
  padding-block: var(--space-16);
}
.legal-content .legal-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-light);
  margin-bottom: var(--space-10);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}
.legal-content .legal-meta svg { flex-shrink: 0; color: var(--color-primary); }
.legal-content h2 {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-dark);
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid rgba(26,86,219,.12);
}
.legal-content h2:first-of-type { margin-top: 0; }
.legal-content h3 {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-dark-2);
  margin-top: var(--space-6);
  margin-bottom: var(--space-2);
}
.legal-content p {
  font-size: var(--text-base);
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: var(--space-4);
}
.legal-content ul,
.legal-content ol {
  padding-left: var(--space-6);
  margin-bottom: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.legal-content li {
  font-size: var(--text-base);
  color: var(--color-text-light);
  line-height: 1.7;
}
.legal-content ul li { list-style: disc; }
.legal-content ol li { list-style: decimal; }
.legal-content strong { color: var(--color-dark-2); font-weight: 600; }
.legal-content a { color: var(--color-primary); text-decoration: underline; }
.legal-content a:hover { color: var(--color-primary-dark); }
.legal-callout {
  background: rgba(26,86,219,.06);
  border-left: 3px solid var(--color-primary);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  padding: var(--space-4) var(--space-5);
  margin-block: var(--space-6);
}
.legal-callout p { margin-bottom: 0; color: var(--color-dark-2); }

/* ── Responsive ───────────────────────────────────────────── */

/* Tablet landscape  */
@media (max-width: 1024px) {
  .about__grid { grid-template-columns: 1fr; }
  .about__image { order: -1; }
  .about__stats {
    position: relative;
    bottom: auto;
    left: auto;
    transform: none;
    margin-top: var(--space-6);
    justify-content: center;
    flex-wrap: wrap;
  }
  .cta__grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

/* Tablet portrait */
@media (max-width: 768px) {
  :root { --header-h: 64px; }

  /* ── Mobile nav drawer ───────────────────────────────── */

  /* Hamburger visible + hover state */
  .header__menu-btn {
    display: flex;
    position: relative;
    transition: background var(--transition-base);
  }
  .header__menu-btn:hover,
  .header__menu-btn.open {
    background: rgba(26,86,219,.09);
  }

  /* Backdrop — <div class="nav-backdrop"> injected by JS into <body> */
  .nav-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(10, 15, 30, 0.55);
    z-index: 99;
    cursor: pointer;
    animation: navBackdropIn 0.25s ease forwards;
  }
  body.nav-open .nav-backdrop {
    display: block;
  }
  @keyframes navBackdropIn {
    from { opacity: 0; }
    to   { opacity: 1; }
  }

  /* Drawer panel — position:fixed now works correctly relative to viewport
     because backdrop-filter was moved off the header to a ::before pseudo-element */
  .header__nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(300px, 86vw);
    background: #fff;
    z-index: 200;
    display: flex;
    flex-direction: column;
    transform: translateX(110%);
    pointer-events: none;
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.35s ease;
    box-shadow: none;
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 0;
  }
  .header__nav.open {
    transform: translateX(0);
    pointer-events: auto;
    box-shadow: -16px 0 56px rgba(0, 0, 0, 0.22);
  }

  /* Drawer top bar — only visible when open */
  .header__nav::before {
    content: 'Menu';
    display: none;
    align-items: center;
    flex-shrink: 0;
    height: var(--header-h);
    padding: 0 var(--space-5);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-primary);
    border-bottom: 1px solid var(--color-border);
    background: rgba(249,250,255,0.98);
  }
  .header__nav.open::before {
    display: flex;
  }

  /* Nav list */
  .header__nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-3) var(--space-3);
    flex: 1;
  }

  /* Individual links */
  .header__nav-list li + li {
    border-top: 1px solid rgba(0,0,0,.06);
  }
  .header__nav-link {
    display: flex;
    align-items: center;
    min-height: 52px;
    padding: 0 var(--space-4);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-dark-2);
    width: 100%;
    transition: background 0.15s ease, color 0.15s ease;
  }
  .header__nav-link:hover {
    background: rgba(26,86,219,.07);
    color: var(--color-primary);
  }
  .header__nav-link.active {
    background: rgba(26,86,219,.09);
    color: var(--color-primary);
    font-weight: 600;
  }

  /* CTA button */
  .header__nav-link--cta {
    margin-top: var(--space-4);
    justify-content: center;
    background: var(--color-primary);
    color: #fff !important;
    font-weight: 600;
    border-radius: var(--radius-full);
    border-top: none !important;
  }
  .header__nav-list li:has(.header__nav-link--cta) {
    border-top: none;
  }
  .header__nav-link--cta:hover {
    background: var(--color-primary-dark);
  }

  /* Contact footer strip (injected by JS) */
  .header__nav-contact {
    padding: var(--space-4) var(--space-4)
             calc(var(--space-4) + env(safe-area-inset-bottom, 0px));
    border-top: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    background: #f8f9fc;
    flex-shrink: 0;
  }
  .header__nav-contact p {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-light);
    margin-bottom: calc(var(--space-1) * -1);
  }
  .header__nav-contact-tel,
  .header__nav-contact-wa {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-lg);
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    transition: background 0.15s, color 0.15s;
    flex-shrink: 0;
  }
  .header__nav-contact-tel {
    color: var(--color-dark-2);
    background: #fff;
    border: 1px solid var(--color-border);
  }
  .header__nav-contact-tel:hover {
    background: rgba(26,86,219,.06);
    color: var(--color-primary);
    border-color: rgba(26,86,219,.3);
  }
  .header__nav-contact-wa {
    background: #25d366;
    color: #fff;
    font-weight: 600;
  }
  .header__nav-contact-wa:hover {
    background: #1ebe5d;
    color: #fff;
  }

  /* Hero */
  .hero__container {
    grid-template-columns: 1fr;
    padding-block: var(--space-16);
  }
  .hero__social {
    flex-direction: row;
    align-self: auto;
  }

  /* Sections */
  .segments__grid,
  .why-us__grid,
  .testimonials__grid { grid-template-columns: 1fr; }

  .products__grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }

  /* Footer */
  .footer__grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .footer__bottom { flex-direction: column; text-align: center; }
}

/* Mobile */
@media (max-width: 480px) {
  .hero__actions { flex-direction: column; align-items: flex-start; }
  .hero__actions .btn { width: 100%; justify-content: center; }

  .about__stats { gap: var(--space-6); }

  .cta__form-wrap { padding: var(--space-6); }

  .whatsapp-btn { bottom: var(--space-4); right: var(--space-4); }
  .back-to-top { bottom: calc(var(--space-4) + 64px); right: var(--space-4); }
}

/* Print */
@media print {
  .header, .hero__social, .whatsapp-btn, .back-to-top, .cta__map { display: none; }
  body { color: #000; background: #fff; }
  a { text-decoration: underline; }
  .hero { min-height: auto; background: none; color: #000; }
  .hero__overlay { display: none; }
  .hero__title, .hero__text { color: #000; }
}

/* ── Page Hero (inner pages) ──────────────────────────────── */
.page-hero {
  background: var(--color-dark);
  padding-block: var(--space-16) var(--space-12);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-dark) 60%);
  opacity: .15;
}
.page-hero .container { position: relative; z-index: 1; }

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: rgba(255,255,255,.5);
  margin-bottom: var(--space-5);
}
.breadcrumb a { color: rgba(255,255,255,.65); transition: color var(--transition-fast); }
.breadcrumb a:hover { color: var(--color-primary-light); }
.breadcrumb span { color: rgba(255,255,255,.9); }
.breadcrumb-sep { color: rgba(255,255,255,.3); }

.page-hero__label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-primary-light);
  background: rgba(26,86,219,.15);
  border: 1px solid rgba(77,129,240,.3);
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.page-hero__title {
  font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
  margin-bottom: var(--space-4);
}

.page-hero__subtitle {
  font-size: var(--text-lg);
  color: rgba(255,255,255,.65);
  max-width: 55ch;
  line-height: 1.7;
}

/* ── Product Detail ───────────────────────────────────────── */
.product-detail {
  padding-block: var(--space-20);
  background: var(--color-bg);
}

.product-detail__grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: var(--space-16);
  align-items: center;
}

.product-detail__image-wrap {
  background: var(--color-bg-alt);
  border-radius: var(--radius-2xl);
  padding: var(--space-12);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 380px;
  border: 1px solid var(--color-border);
}
.product-detail__image-wrap img {
  max-height: 320px;
  width: auto;
  object-fit: contain;
}

.product-detail__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: rgba(26,86,219,.08);
  border: 1px solid rgba(26,86,219,.2);
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.product-detail__title {
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
  font-weight: 800;
  color: var(--color-dark);
  line-height: 1.15;
  margin-bottom: var(--space-5);
}

.product-detail__formula {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-gray);
  font-family: 'Courier New', monospace;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  display: inline-block;
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-5);
}

.product-detail__desc {
  font-size: var(--text-base);
  color: var(--color-gray);
  line-height: 1.8;
  margin-bottom: var(--space-6);
}

.product-detail__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

/* ── Product Specs ────────────────────────────────────────── */
.product-specs {
  padding-block: var(--space-20);
  background: var(--color-bg-alt);
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
  background: var(--color-bg);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.specs-table th,
.specs-table td {
  padding: var(--space-4) var(--space-6);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.specs-table thead th {
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
  font-size: var(--text-xs);
  letter-spacing: .06em;
  text-transform: uppercase;
}

.specs-table tbody tr:last-child td { border-bottom: none; }
.specs-table tbody tr:hover { background: rgba(26,86,219,.03); }

.specs-table td:first-child { font-weight: 600; color: var(--color-dark-2); }
.specs-table td:last-child { color: var(--color-gray); }

/* ── Product Applications ─────────────────────────────────── */
.product-applications {
  padding-block: var(--space-20);
  background: var(--color-bg);
}

.applications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-5);
  margin-top: var(--space-8);
}

.application-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: border-color var(--transition-base), transform var(--transition-base);
}
.application-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.application-card__icon {
  width: 48px;
  height: 48px;
  background: rgba(26,86,219,.1);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.application-card__title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: var(--space-2);
}

.application-card__text {
  font-size: var(--text-xs);
  color: var(--color-gray);
  line-height: 1.6;
}

/* ── Related Products ─────────────────────────────────────── */
.related-products {
  padding-block: var(--space-20);
  background: var(--color-bg-dark);
}
.related-products .section-title { color: #fff; }
.related-products .section-label { color: var(--color-primary-light); }

/* ── Page CTA Banner ──────────────────────────────────────── */
.page-cta {
  background: var(--color-bg-alt);
  padding-block: var(--space-16);
}

.page-cta .container {
  max-width: 860px;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 55%, #2563eb 100%);
  border-radius: 20px;
  padding: clamp(2.5rem, 6vw, 4rem) clamp(1.5rem, 5vw, 3.5rem);
  text-align: center;
  box-shadow: 0 24px 64px rgba(26, 86, 219, .28), 0 4px 16px rgba(0,0,0,.1);
  position: relative;
  overflow: hidden;
}

/* Brilho sutil no topo-direito */
.page-cta .container::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 80% 10%, rgba(255,255,255,.12) 0%, transparent 60%);
  pointer-events: none;
}

.page-cta__title {
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
  font-weight: 800;
  color: #fff;
  margin-bottom: var(--space-4);
  line-height: 1.2;
  position: relative;
}

.page-cta__text {
  font-size: var(--text-lg);
  color: rgba(255,255,255,.85);
  margin-bottom: var(--space-8);
  max-width: 52ch;
  margin-inline: auto;
  line-height: 1.65;
  position: relative;
}

.page-cta__actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  position: relative;
}

.btn--white {
  background: #fff;
  color: var(--color-primary);
  box-shadow: 0 4px 14px rgba(0,0,0,.15);
}
.btn--white:hover {
  background: rgba(255,255,255,.92);
  box-shadow: 0 6px 20px rgba(0,0,0,.2);
}

.btn--outline-white {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,.6);
}
.btn--outline-white:hover {
  background: rgba(255,255,255,.1);
  border-color: #fff;
}

/* ── Products Catalog Page ────────────────────────────────── */
.products-catalog {
  padding-block: var(--space-20);
  background: var(--color-bg);
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-8);
}

.catalog-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
  box-shadow: var(--shadow-sm);
}
.catalog-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.catalog-card__img-wrap {
  background: var(--color-bg-alt);
  padding: var(--space-8);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 240px;
  border-bottom: 1px solid var(--color-border);
}
.catalog-card__img-wrap img {
  max-height: 200px;
  width: auto;
  object-fit: contain;
  transition: transform var(--transition-slow);
}
.catalog-card:hover .catalog-card__img-wrap img { transform: scale(1.05); }

.catalog-card__body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.catalog-card__tag {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.catalog-card__title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: var(--space-3);
}

.catalog-card__text {
  font-size: var(--text-sm);
  color: var(--color-gray);
  line-height: 1.7;
  flex: 1;
  margin-bottom: var(--space-6);
}

.catalog-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.catalog-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.tag {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-gray);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  padding: 2px var(--space-3);
  border-radius: var(--radius-full);
}

/* ── Sobre Page ───────────────────────────────────────────── */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-10);
}

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

.team-card__photo {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-full);
  object-fit: cover;
  margin: 0 auto var(--space-4);
  border: 3px solid var(--color-border);
}

.team-card__name {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: var(--space-1);
}

.team-card__role {
  font-size: var(--text-sm);
  color: var(--color-primary);
  font-weight: 500;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-10);
}

.value-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-6);
  text-align: center;
}

.value-card__icon {
  width: 56px;
  height: 56px;
  background: rgba(26,86,219,.1);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin: 0 auto var(--space-4);
}

.value-card__title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: var(--space-3);
}

.value-card__text {
  font-size: var(--text-sm);
  color: var(--color-gray);
  line-height: 1.6;
}

/* ── Contato Page ─────────────────────────────────────────── */
.contact-page {
  padding-block: var(--space-20);
  background: var(--color-bg);
}

.contact-page__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-16);
  align-items: start;
}

.contact-info__item {
  display: flex;
  gap: var(--space-5);
  align-items: flex-start;
  padding-block: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}
.contact-info__item:last-child { border-bottom: none; }

.contact-info__icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: rgba(26,86,219,.1);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.contact-info__label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-gray);
  margin-bottom: var(--space-1);
}

.contact-info__value {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-dark);
}

.contact-info__value a { transition: color var(--transition-fast); }
.contact-info__value a:hover { color: var(--color-primary); }

/* ── Responsive product/page additions ───────────────────── */
@media (max-width: 1024px) {
  .product-detail__grid,
  .contact-page__grid { grid-template-columns: 1fr; }

  .product-detail__image-wrap { min-height: 260px; }
}

@media (max-width: 768px) {
  .page-hero { padding-block: var(--space-12) var(--space-8); }
  .catalog-grid { grid-template-columns: 1fr; }
  .applications-grid { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .applications-grid,
  .values-grid { grid-template-columns: 1fr; }
  .product-detail__actions { flex-direction: column; }
  .product-detail__actions .btn { width: 100%; justify-content: center; }
}

/* Form row (two-column form layout) */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}
@media (max-width: 640px) {
  .form-row { grid-template-columns: 1fr; }
}

/* Contact form container */
.contact-form { width: 100%; }

/* Invalid field state (set by JS validation) */
.form-input--error {
  border-color: #ef4444 !important;
  box-shadow: 0 0 0 3px rgba(239,68,68,.12) !important;
}

/* About page story grid – responsive */
@media (max-width: 900px) {
  .about-story-grid {
    grid-template-columns: 1fr !important;
  }
}

/* Stats bar responsive */
@media (max-width: 640px) {
  .stats-bar-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  html { scroll-behavior: auto; }
}