/* ==========================================================================
   Sofiste Mecânica — institutional landing page
   Theme: brand identity (white base, SOFISTE red + blue, like the storefront)
   ========================================================================== */

:root {
  /* Brand colors (from storefront sign) */
  --color-red: #cf1f2a;
  --color-red-strong: #e63946;
  --color-blue: #1c4e9d;
  --color-blue-strong: #2563b8;
  --color-blue-deep: #0f2e5c;

  /* Surfaces & text */
  --color-bg: #ffffff;
  --color-bg-alt: #f3f5f9;
  --color-surface: #ffffff;
  --color-border: #dde3ec;
  --color-text: #15233b;
  --color-text-muted: #5b6781;

  /* Soft tints */
  --color-red-soft: rgba(207, 31, 42, 0.1);
  --color-blue-soft: rgba(28, 78, 157, 0.1);

  /* Typography */
  --font-display: "Barlow Condensed", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;

  /* Layout */
  --container-width: 1140px;
  --space-section: 6rem;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 18px 40px rgba(15, 46, 92, 0.12);
  --shadow-sm: 0 6px 18px rgba(15, 46, 92, 0.08);
  --header-height: 72px;
  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img,
iframe {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  line-height: 1.1;
  letter-spacing: 0.01em;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

.accent {
  color: var(--color-red);
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 1000;
  background: var(--color-red);
  color: #fff;
  padding: 0.75rem 1rem;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus {
  left: 0;
}

/* Brand stripe motif (red + blue, like the storefront sign) --------------- */
.brand-stripe {
  height: 6px;
  background: linear-gradient(
    90deg,
    var(--color-red) 0 50%,
    var(--color-blue) 50% 100%
  );
}

/* Buttons ----------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.98rem;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), background-color var(--transition),
    border-color var(--transition), color var(--transition);
}
.btn:hover {
  transform: translateY(-2px);
}
.btn--primary {
  background: var(--color-blue);
  color: #fff;
}
.btn--primary:hover {
  background: var(--color-blue-deep);
}
.btn--ghost {
  border-color: var(--color-blue);
  color: var(--color-blue);
}
.btn--ghost:hover {
  background: var(--color-blue-soft);
}
.btn--block {
  width: 100%;
}

/* Header ------------------------------------------------------------------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 3px solid var(--color-blue);
}
.site-header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}
.brand__text strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: 0.08em;
  color: var(--color-red);
}
.brand__text small {
  color: var(--color-blue);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

/* Navigation -------------------------------------------------------------- */
.nav__menu {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}
.nav__menu a {
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition);
}
.nav__menu a:hover {
  color: var(--color-red);
}
.nav__cta {
  padding: 0.55rem 1.2rem;
  border-radius: var(--radius-sm);
  background: var(--color-blue);
  color: #fff !important;
  border: 1px solid var(--color-blue);
}
.nav__cta:hover {
  background: var(--color-blue-deep);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.nav__toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin-inline: auto;
  background: var(--color-text);
  transition: transform var(--transition), opacity var(--transition);
}

/* Hero -------------------------------------------------------------------- */
.hero {
  position: relative;
  padding: clamp(4rem, 8vw, 7rem) 0;
  background:
    radial-gradient(900px 460px at 85% -10%, var(--color-blue-soft), transparent 60%),
    radial-gradient(700px 380px at 0% 110%, var(--color-red-soft), transparent 60%),
    var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}
.hero__inner {
  max-width: 820px;
}
.hero__eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-red);
  margin-bottom: 1rem;
}
.hero__title {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 700;
  text-transform: uppercase;
}
.hero__lead {
  margin-top: 1.4rem;
  font-size: 1.12rem;
  color: var(--color-text-muted);
  max-width: 640px;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2rem;
}
.hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  margin-top: 3rem;
  list-style: none;
}
.hero__stats strong {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--color-blue);
}
.hero__stats span {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* Sections ---------------------------------------------------------------- */
.section {
  padding-block: var(--space-section);
}
.section--alt {
  background: var(--color-bg-alt);
  border-block: 1px solid var(--color-border);
}
.section__head {
  max-width: 640px;
  margin-bottom: 3rem;
}
.section__eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-red);
  margin-bottom: 0.6rem;
}
.section__title {
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  text-transform: uppercase;
}
.section__sub {
  margin-top: 0.8rem;
  color: var(--color-text-muted);
}

/* Services cards ---------------------------------------------------------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.4rem;
}
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--color-blue);
  border-radius: var(--radius);
  padding: 1.8rem 1.6rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), border-color var(--transition),
    box-shadow var(--transition);
}
.card:hover {
  transform: translateY(-6px);
  border-top-color: var(--color-red);
  box-shadow: var(--shadow);
}
.card__icon {
  font-size: 2rem;
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--color-blue-soft);
  margin-bottom: 1.1rem;
}
.card h3 {
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}
.card p {
  color: var(--color-text-muted);
  font-size: 0.96rem;
}

/* About ------------------------------------------------------------------- */
.about__inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 3rem;
  align-items: start;
}
.about__text p {
  margin-top: 1rem;
  color: var(--color-text-muted);
}
.about__text strong {
  color: var(--color-text);
}
.about__values {
  list-style: none;
  margin-top: 1.6rem;
  display: grid;
  gap: 0.6rem;
}
.about__values li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--color-text);
}
.about__values span {
  color: var(--color-red);
  font-weight: 700;
}

.about__highlight {
  background: var(--color-blue-deep);
  color: #fff;
  border-radius: var(--radius);
  padding: 2rem 1.8rem;
  box-shadow: var(--shadow);
}
.about__highlight h3 {
  font-size: 1.6rem;
}
.about__highlight-sub {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  margin-bottom: 1.4rem;
}
.about__highlight dl {
  display: grid;
  gap: 1rem;
  margin-bottom: 1.6rem;
}
.about__highlight dt {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.65);
}
.about__highlight dd {
  font-family: var(--font-display);
  font-size: 1.2rem;
}

/* Contact ----------------------------------------------------------------- */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 2.5rem;
  align-items: stretch;
}
.contact__info {
  display: grid;
  gap: 1rem;
  align-content: start;
}
.contact__item {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-blue);
  border-radius: var(--radius-sm);
  padding: 1.1rem 1.2rem;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition), transform var(--transition);
}
a.contact__item:hover {
  border-left-color: var(--color-red);
  transform: translateX(4px);
}
.contact__item strong {
  display: block;
  font-size: 0.95rem;
  color: var(--color-text);
}
.contact__item span:last-child {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}
.contact__icon {
  font-size: 1.4rem;
}
.contact__item--static {
  cursor: default;
}
.contact__map iframe {
  width: 100%;
  height: 100%;
  min-height: 340px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

/* Footer ------------------------------------------------------------------ */
.site-footer {
  background: var(--color-blue-deep);
  color: #fff;
  border-top: 4px solid var(--color-red);
  padding-block: 3rem;
}
.site-footer__inner {
  display: grid;
  gap: 1.6rem;
}
.site-footer__brand strong {
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: 0.08em;
}
.site-footer__brand p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
  margin-top: 0.3rem;
}
.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.4rem;
}
.site-footer__links a {
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
  transition: color var(--transition);
}
.site-footer__links a:hover {
  color: #fff;
}
.site-footer__legal {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.82rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 1.4rem;
}

/* Floating WhatsApp button ------------------------------------------------ */
.whatsapp-fab {
  position: fixed;
  right: 1.2rem;
  bottom: 1.2rem;
  z-index: 90;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, #1faa55, #25d366);
  color: #fff;
  font-weight: 600;
  padding: 0.85rem 1.1rem;
  border-radius: 999px;
  box-shadow: var(--shadow);
  transition: transform var(--transition);
}
.whatsapp-fab:hover {
  transform: scale(1.05);
}
.whatsapp-fab span[aria-hidden] {
  font-size: 1.2rem;
}

/* Guide page (guia.html) -------------------------------------------------- */
.guide-intro {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 2.5rem;
  align-items: center;
}
.guide-intro p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
}
.guide-intro strong {
  color: var(--color-text);
}
.guide-toc {
  display: grid;
  gap: 0.6rem;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-red);
  border-radius: var(--radius);
  padding: 1.4rem 1.5rem;
}
.guide-toc a {
  font-weight: 600;
  color: var(--color-blue);
  transition: color var(--transition), transform var(--transition);
}
.guide-toc a::before {
  content: "→ ";
  color: var(--color-red);
}
.guide-toc a:hover {
  color: var(--color-blue-deep);
  transform: translateX(3px);
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.4rem;
}
.guide-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--color-blue);
  border-radius: var(--radius);
  padding: 1.8rem 1.6rem;
  box-shadow: var(--shadow-sm);
}
.guide-panel h3 {
  font-size: 1.4rem;
  margin-bottom: 1.1rem;
  color: var(--color-text);
}
.guide-stats {
  list-style: none;
  display: grid;
  gap: 0.9rem;
}
.guide-stats li {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
}
.guide-stats strong {
  font-family: var(--font-display);
  font-size: 1.7rem;
  color: var(--color-red);
  min-width: 3.5rem;
}
.guide-stats span {
  color: var(--color-text-muted);
}
.guide-list {
  list-style: none;
  display: grid;
  gap: 0.7rem;
}
.guide-list li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--color-text);
}
.guide-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-red);
  font-weight: 700;
}
.guide-note {
  margin-top: 1.2rem;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.guide-callout {
  margin-top: 2.5rem;
  background: var(--color-blue-soft);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-blue);
  border-radius: var(--radius);
  padding: 1.4rem 1.6rem;
  color: var(--color-text);
}
.guide-callout strong {
  color: var(--color-blue-deep);
}
.guide-callout--cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  background: var(--color-blue-deep);
  border-color: var(--color-blue-deep);
  color: #fff;
}
.guide-callout--cta strong {
  color: #fff;
}
.guide-callout--cta p {
  max-width: 560px;
}

.guide-disclaimer {
  margin-top: 2.5rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
  padding-top: 1.4rem;
}

/* FAQ accordion ----------------------------------------------------------- */
.faq {
  display: grid;
  gap: 0.8rem;
}
.faq__item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-blue);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.faq__item[open] {
  border-left-color: var(--color-red);
}
.faq__item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
  list-style: none;
  padding: 1.1rem 1.3rem;
  font-family: var(--font-display);
  font-size: 1.18rem;
  color: var(--color-text);
  transition: color var(--transition);
}
.faq__item summary::-webkit-details-marker {
  display: none;
}
.faq__item summary::after {
  content: "+";
  font-family: var(--font-body);
  font-size: 1.5rem;
  line-height: 1;
  color: var(--color-red);
  transition: transform var(--transition);
}
.faq__item[open] summary::after {
  content: "−";
}
.faq__item summary:hover {
  color: var(--color-red);
}
.faq__answer {
  padding: 0 1.3rem 1.2rem;
}
.faq__answer p {
  color: var(--color-text-muted);
}

/* Responsive -------------------------------------------------------------- */
@media (max-width: 860px) {
  :root {
    --space-section: 4rem;
  }

  .nav__toggle {
    display: flex;
  }
  .nav__menu {
    position: fixed;
    inset: var(--header-height) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    border-bottom: 3px solid var(--color-blue);
    box-shadow: var(--shadow);
    padding: 0.5rem 1.25rem 1.25rem;
    transform: translateY(-130%);
    transition: transform var(--transition);
  }
  .nav__menu.is-open {
    transform: translateY(0);
  }
  .nav__menu li {
    border-top: 1px solid var(--color-border);
  }
  .nav__menu a {
    display: block;
    padding: 0.9rem 0;
  }
  .nav__cta {
    text-align: center;
    margin-top: 0.8rem;
  }

  .about__inner,
  .contact__grid,
  .guide-intro {
    grid-template-columns: 1fr;
  }
  .hero__stats {
    gap: 1.6rem;
  }
  .whatsapp-fab__label {
    display: none;
  }
}

/* Motion preferences ------------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    transition: none !important;
  }
}