/* ============================================================
   RIBEIRO & TAVARES — style.css
   Paleta: #45424B (fundo) · #D8C3B1 (accent/texto)
   Tipografia: Playfair Display (títulos) · Montserrat (corpo)
   Mobile-First · Sem frameworks externos
   ============================================================ */

/* ============================================================
   1. CUSTOM PROPERTIES
   ============================================================ */
:root {
  --bg:           #45424B;
  --bg-dark:      #3b3841;
  --bg-card:      rgba(216, 195, 177, 0.04);
  --accent:       #D8C3B1;
  --accent-60:    rgba(216, 195, 177, 0.60);
  --accent-30:    rgba(216, 195, 177, 0.30);
  --accent-12:    rgba(216, 195, 177, 0.12);
  --accent-06:    rgba(216, 195, 177, 0.06);

  --glow-sm:  0 0 16px rgba(216, 195, 177, 0.22), 0 0 32px rgba(216, 195, 177, 0.10);
  --glow-md:  0 0 24px rgba(216, 195, 177, 0.28), 0 0 52px rgba(216, 195, 177, 0.14);

  --ff-title: 'Playfair Display', Georgia, serif;
  --ff-body:  'Montserrat', system-ui, sans-serif;

  --radius:    10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --ease:      cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --dur:       0.32s;

  --container: 1200px;
  --pad-x:     clamp(1.25rem, 5vw, 2.5rem);
  --pad-sec:   clamp(5rem, 10vw, 8rem);

  scroll-padding-top: 5.5rem;
}

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

html { scroll-behavior: smooth; }

body {
  background-color: var(--bg);
  color: var(--accent);
  font-family: var(--ff-body);
  font-weight: 300;
  font-size: 1rem;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

ul { list-style: none; }

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

address { font-style: normal; }

/* ============================================================
   3. UTILITIES
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

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

.eyebrow {
  display: block;
  font-family: var(--ff-body);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-60);
  margin-bottom: 0.75rem;
}

.divider {
  width: 100%;
  height: 0.5px;
  background: var(--accent-30);
}

.section-header { margin-bottom: clamp(2.5rem, 5vw, 4rem); }

/* ============================================================
   4. TYPOGRAPHY SCALE
   ============================================================ */
h1 {
  font-family: var(--ff-title);
  font-size: clamp(2.1rem, 5.5vw, 3.75rem);
  font-weight: 700;
  line-height: 1.13;
  color: var(--accent);
  letter-spacing: -0.01em;
}

h2 {
  font-family: var(--ff-title);
  font-size: clamp(1.75rem, 4vw, 2.85rem);
  font-weight: 600;
  line-height: 1.2;
  color: var(--accent);
  margin-bottom: 1.25rem;
  letter-spacing: -0.01em;
}

h3 {
  font-family: var(--ff-title);
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-weight: 600;
  line-height: 1.3;
  color: var(--accent);
  margin-bottom: 0.6rem;
}

h4 {
  font-family: var(--ff-body);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-60);
  margin-bottom: 1.25rem;
}

p { color: var(--accent-60); }

.body-lg {
  font-size: clamp(0.9rem, 1.8vw, 1.0625rem);
  line-height: 1.85;
  color: var(--accent-60);
}

/* ============================================================
   5. BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  border-radius: var(--radius);
  font-family: var(--ff-body);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background var(--dur) var(--ease),
              color var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease),
              transform var(--dur) var(--ease);
  white-space: nowrap;
}

.btn:active { transform: scale(0.97); }

/* Solid */
.btn-primary {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}
.btn-primary:hover {
  background: transparent;
  color: var(--accent);
  box-shadow: var(--glow-md);
}

/* Ghost */
.btn-outline {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent-30);
}
.btn-outline:hover {
  border-color: var(--accent);
  background: var(--accent-06);
  box-shadow: var(--glow-sm);
}

/* ============================================================
   6. HEADER
   ============================================================ */
#header {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 200;
  padding-block: 1.375rem;
  transition: background var(--dur) var(--ease),
              backdrop-filter var(--dur) var(--ease),
              padding var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease);
  border-bottom: 0.5px solid transparent;
}

#header.scrolled {
  background: rgba(59, 56, 65, 0.72);
  backdrop-filter: blur(22px) saturate(140%);
  -webkit-backdrop-filter: blur(22px) saturate(140%);
  border-color: var(--accent-30);
  box-shadow: 0 4px 40px rgba(0, 0, 0, 0.25);
  padding-block: 0.9rem;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

/* Logo */
.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  flex-shrink: 0;
}

.logo-name {
  font-family: var(--ff-title);
  font-size: clamp(1.05rem, 2.2vw, 1.35rem);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.02em;
}

.amp { color: var(--accent-60); }

.logo-sub {
  font-family: var(--ff-body);
  font-size: 0.575rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-60);
}

/* Desktop nav */
.nav-list {
  display: none;          /* hidden on mobile, shown ≥ 900px */
  align-items: center;
  gap: 2rem;
}

.nav-list a {
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-60);
}
.nav-list a:hover { color: var(--accent); }

.nav-cta {
  border: 1px solid var(--accent-30) !important;
  padding: 0.5rem 1.2rem;
  border-radius: var(--radius);
  color: var(--accent) !important;
  transition: border-color var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease),
              background var(--dur) var(--ease) !important;
}
.nav-cta:hover {
  border-color: var(--accent) !important;
  box-shadow: var(--glow-sm);
  background: var(--accent-06);
}

/* Hamburger */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  flex-shrink: 0;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--accent);
  border-radius: 2px;
  transform-origin: center;
  transition: transform var(--dur) var(--ease),
              opacity var(--dur) var(--ease);
}

.hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* ============================================================
   7. MOBILE NAV DRAWER
   ============================================================ */
.mobile-nav {
  position: fixed;
  inset-block: 0;
  inset-inline-end: -100%;
  width: min(320px, 85vw);
  background: rgba(48, 46, 54, 0.97);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-left: 0.5px solid var(--accent-30);
  z-index: 199;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  transition: inset-inline-end 0.42s cubic-bezier(0.77, 0, 0.175, 1);
}

.mobile-nav.open { inset-inline-end: 0; }

.mobile-nav ul {
  display: flex;
  flex-direction: column;
  gap: 2.25rem;
  text-align: center;
}

.mobile-nav a {
  font-family: var(--ff-title);
  font-size: clamp(1.3rem, 5vw, 1.65rem);
  color: var(--accent);
  transition: color var(--dur) var(--ease);
}
.mobile-nav a:hover { color: var(--accent-60); }

.mobile-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 198;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur) var(--ease);
}
.mobile-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}

/* ============================================================
   8. HERO
   ============================================================ */
#hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-block: var(--pad-sec);
  padding-top: calc(var(--pad-sec) + 4rem); /* offset fixed header */
}

.hero-glow {
  position: absolute;
  inset-block-start: 10%;
  inset-inline-end: 0;
  width: 55%;
  height: 80%;
  background: radial-gradient(ellipse at 70% 40%, rgba(216, 195, 177, 0.07) 0%, transparent 65%);
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-content { max-width: 560px; }

.hero-title { margin-block: 0.5rem 1.25rem; }

.hero-sub {
  font-size: clamp(0.875rem, 1.8vw, 1rem);
  line-height: 1.8;
  color: var(--accent-60);
  margin-bottom: 2.25rem;
  max-width: 500px;
}

/* Hero image */
.hero-media {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-img-frame {
  position: relative;
  width: min(360px, 90vw);
  aspect-ratio: 3/4;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.hero-img-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  filter: grayscale(25%) contrast(1.06);
  transition: transform 0.8s var(--ease);
}

.hero-img-frame:hover img { transform: scale(1.04); }

.hero-img-mask {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom, transparent 50%, var(--bg) 100%),
    linear-gradient(to right,  var(--bg) 0%, transparent 30%);
}

/* Floating badge */
.hero-badge {
  position: absolute;
  inset-block-end: 1.75rem;
  inset-inline-end: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 82px;
  height: 82px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--bg);
  text-align: center;
  box-shadow: var(--glow-md);
  line-height: 1.1;
  padding: 0.5rem;
}

.hero-badge-number {
  font-family: var(--ff-title);
  font-size: 1.5rem;
  font-weight: 700;
  display: block;
}

.hero-badge-label {
  font-family: var(--ff-body);
  font-size: 0.55rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  opacity: 0.75;
}

/* ============================================================
   9. SOBRE
   ============================================================ */
#sobre { padding-block: var(--pad-sec); }

.sobre-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

.sobre-text .body-lg { margin-bottom: 2rem; }

.sobre-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
}

.sobre-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(20%) contrast(1.04);
  transition: transform 0.7s var(--ease);
}

.sobre-media:hover img { transform: scale(1.04); }

/* ============================================================
   10. SERVIÇOS — BENTO GRID
   ============================================================ */
#servicos { padding-block: var(--pad-sec); }

.bento-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.875rem;
}

.bento-card {
  background: var(--bg-card);
  border: 0.5px solid var(--accent-12);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3.5vw, 2.5rem);
  transition:
    border-color var(--dur) var(--ease),
    background   var(--dur) var(--ease),
    box-shadow   var(--dur) var(--ease),
    transform    var(--dur) var(--ease);
  cursor: default;
}

.bento-card:hover {
  border-color: var(--accent-60);
  background: rgba(216, 195, 177, 0.08);
  box-shadow: var(--glow-md);
  transform: translateY(-3px);
}

.bento-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 10px;
  border: 0.5px solid var(--accent-30);
  color: var(--accent);
  margin-bottom: 1.25rem;
  transition: box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.bento-card:hover .bento-icon {
  border-color: var(--accent);
  box-shadow: var(--glow-sm);
}

.bento-card p { font-size: 0.875rem; line-height: 1.75; }

/* ============================================================
   11. MISSÃO, VISÃO E VALORES
   ============================================================ */
#mvv { padding-block: var(--pad-sec); }

.mvv-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.mvv-item {
  padding: 2.25rem 0;
  border-top: 0.5px solid var(--accent-30);
}

.mvv-item:last-child { border-bottom: 0.5px solid var(--accent-30); }

.mvv-sep { display: none; }

.mvv-bar {
  width: 2rem;
  height: 0.5px;
  background: var(--accent);
  margin-bottom: 1.25rem;
}

.mvv-item h3 { font-size: 1.2rem; margin-bottom: 0.6rem; }
.mvv-item p  { font-size: 0.9rem; line-height: 1.8; }

/* ============================================================
   12. CTA / CONTATO
   ============================================================ */
#contato { padding-block: var(--pad-sec); }

.cta-block {
  max-width: 700px;
  margin-inline: auto;
  text-align: center;
}

.cta-desc {
  font-size: clamp(0.9rem, 1.8vw, 1rem);
  line-height: 1.8;
  color: var(--accent-60);
  margin-bottom: 2.5rem;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

/* ============================================================
   13. FOOTER
   ============================================================ */
#footer { padding-top: 4rem; }

.footer-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
}

.footer-brand .logo-name {
  display: block;
  font-family: var(--ff-title);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.15rem;
}

.footer-brand .logo-sub {
  display: block;
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-60);
  margin-bottom: 1.25rem;
}

.footer-oab {
  font-size: 0.78rem;
  color: var(--accent-60);
  margin-bottom: 0.25rem;
}

.footer-tagline {
  font-size: 0.75rem;
  color: var(--accent-60);
  font-style: italic;
}

.footer-nav ul,
.footer-contact address {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.footer-nav a,
.footer-contact a,
.footer-contact p {
  font-size: 0.875rem;
  color: var(--accent-60);
  transition: color var(--dur) var(--ease);
}

.footer-nav a:hover,
.footer-contact a:hover { color: var(--accent); }

.footer-bottom {
  border-top: 0.5px solid var(--accent-12);
  padding-block: 1.5rem;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--accent-60);
}

/* ============================================================
   14. FADE-IN ANIMATION (IntersectionObserver)
   ============================================================ */
[data-animate] {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity  0.65s var(--ease),
    transform 0.65s var(--ease);
}

[data-animate].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   15. RESPONSIVE — TABLET ≥ 640px
   ============================================================ */
@media (min-width: 640px) {

  .hero-img-frame { width: min(420px, 80vw); }

  .bento-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
  }

  /* bento-1 spans both cols, row 1 */
  .bento-1 { grid-column: 1 / 3; }
  /* bento-2 & 3 each take 1 col, row 2 */
  .bento-2 { grid-column: 1;     grid-row: 2; }
  .bento-3 { grid-column: 2;     grid-row: 2; }
  /* bento-4 spans both, row 3 */
  .bento-4 { grid-column: 1 / 3; grid-row: 3; }

  .mvv-grid {
    grid-template-columns: 1fr 0.5px 1fr 0.5px 1fr;
    gap: 0;
  }

  .mvv-item {
    padding: 2rem 2.5rem;
    border-top: none;
    border-bottom: none;
  }

  .mvv-item:last-child { border: none; }

  .mvv-sep {
    display: block;
    background: var(--accent-30);
    align-self: stretch;
    margin-block: 1.5rem;
  }

  .footer-inner { grid-template-columns: 1fr 1fr; }
}

/* ============================================================
   16. RESPONSIVE — DESKTOP ≥ 900px
   ============================================================ */
@media (min-width: 900px) {

  .nav-list     { display: flex; }
  .hamburger    { display: none; }

  .hero-inner {
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
  }

  .hero-img-frame { width: 100%; max-width: 520px; }

  .hero-badge {
    inset-inline-end: -1.5rem;
    width: 90px;
    height: 90px;
  }

  .sobre-inner { grid-template-columns: 1fr 1fr; gap: 5rem; }

  .bento-grid {
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto auto;
  }

  /* Row 1: bento-1 (col 1–2) + bento-2 (col 3) */
  .bento-1 { grid-column: 1 / 3; grid-row: 1; }
  .bento-2 { grid-column: 3;     grid-row: 1; }
  /* Row 2: bento-3 (col 1) + bento-4 (col 2–3) */
  .bento-3 { grid-column: 1;     grid-row: 2; }
  .bento-4 { grid-column: 2 / 4; grid-row: 2; }

  .footer-inner { grid-template-columns: 2fr 1fr 1fr; }
}

/* ============================================================
   17. RESPONSIVE — WIDE ≥ 1280px
   ============================================================ */
@media (min-width: 1280px) {
  .hero-img-frame { max-width: 560px; }
}

/* ============================================================
   18. REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
  [data-animate] { opacity: 1; transform: none; }
}