/* ============================================================
   LBenito Arquitetura — Landing Page Styles
   ============================================================ */

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

:root {
  --cream:      #f0ede6;
  --cream-dark: #e8e4db;
  --black:      #0d0d0d;
  --black-soft: #1a1a1a;
  --gray:       #6b6b6b;
  --gray-light: #c4bfb6;
  --gold:       #b8956a;
  --gold-light: #d4b08a;
  --white:      #ffffff;

  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans:  'Montserrat', system-ui, sans-serif;

  --radius:     2px;
  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-fast: 0.2s ease;

  --container:  1200px;
  --section-gap: clamp(60px, 10vw, 140px);
  --section-gap-sm: clamp(36px, 6vw, 80px);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--cream);
  color: var(--black);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
}

img { display: block; width: 100%; height: 100%; object-fit: cover; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* ---------- Container ---------- */
.container {
  width: min(var(--container), 100% - 48px);
  margin-inline: auto;
}

/* ---------- Typography ---------- */
.section-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}
.section-eyebrow--light { color: var(--gold-light); }

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 400;
  line-height: 1.15;
  color: var(--black);
  margin-bottom: 28px;
}
.section-title em { font-style: italic; color: var(--gold); }

.section-header { text-align: center; margin-bottom: clamp(40px, 6vw, 64px); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 15px 36px;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background-color: var(--black);
  color: var(--cream);
  border: 1.5px solid var(--black);
}
.btn--primary:hover, .btn--primary:focus-visible {
  background-color: var(--gold);
  border-color: var(--gold);
  color: var(--white);
  transform: translateY(-2px);
}

.btn--ghost {
  background-color: transparent;
  color: var(--cream);
  border: 1.5px solid rgba(240, 237, 230, 0.6);
}
.btn--ghost:hover, .btn--ghost:focus-visible {
  border-color: var(--cream);
  background-color: rgba(240, 237, 230, 0.1);
}

.btn--light.btn--primary {
  background-color: var(--cream);
  border-color: var(--cream);
  color: var(--black);
}
.btn--light.btn--primary:hover {
  background-color: var(--white);
  border-color: var(--white);
}

.btn--full { width: 100%; justify-content: center; }

/* ---------- B&W → Color image effect ---------- */
.bw-img {
  filter: grayscale(100%);
  transition: filter 0.6s ease;
}
.bw-img:hover { filter: grayscale(0%); }

/* Mobile: tap reveals color, second tap reverts */
@media (hover: none) {
  .bw-img { filter: grayscale(100%); }
  .bw-img.is-color { filter: grayscale(0%); }
}

/* ---------- Reveal animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal--delay-1 { transition-delay: 0.12s; }
.reveal--delay-2 { transition-delay: 0.24s; }
.reveal--delay-3 { transition-delay: 0.36s; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  transition: background-color 0.35s ease, box-shadow 0.35s ease;
}
.site-header.is-scrolled {
  background-color: rgba(240, 237, 230, 0.97);
  backdrop-filter: blur(8px);
  box-shadow: 0 1px 0 rgba(0,0,0,0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.logo-name {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--cream);
  transition: color 0.35s ease;
}
.logo-tagline {
  font-family: var(--font-sans);
  font-size: 0.55rem;
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(240,237,230,0.7);
  transition: color 0.35s ease;
}
.site-header.is-scrolled .logo-name  { color: var(--black); }
.site-header.is-scrolled .logo-tagline { color: var(--gray); }

.header-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.header-nav a {
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(240,237,230,0.85);
  transition: color var(--transition-fast);
}
.header-nav a:hover { color: var(--cream); }
.site-header.is-scrolled .header-nav a { color: var(--gray); }
.site-header.is-scrolled .header-nav a:hover { color: var(--black); }

.nav-cta {
  padding: 9px 22px !important;
  border: 1.5px solid rgba(240,237,230,0.6) !important;
  border-radius: var(--radius) !important;
}
.site-header.is-scrolled .nav-cta {
  border-color: var(--black) !important;
  color: var(--black) !important;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 26px;
  height: 18px;
  padding: 0;
}
.menu-toggle span {
  display: block;
  height: 1.5px;
  background-color: var(--cream);
  transition: var(--transition);
  transform-origin: center;
}
.site-header.is-scrolled .menu-toggle span { background-color: var(--black); }

.menu-toggle.is-open span:nth-child(1) { transform: translateY(8.25px) rotate(45deg); }
.menu-toggle.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.menu-toggle.is-open span:nth-child(3) { transform: translateY(-8.25px) rotate(-45deg); }

.mobile-nav {
  display: none;
  flex-direction: column;
  background-color: rgba(240, 237, 230, 0.98);
  backdrop-filter: blur(12px);
  padding: 24px 0;
  border-top: 1px solid var(--cream-dark);
}
.mobile-nav.is-open { display: flex; }
.mobile-nav__link {
  padding: 14px 24px;
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray);
  border-bottom: 1px solid rgba(0,0,0,0.05);
}
.mobile-nav__cta {
  margin: 16px 24px 0;
  padding: 14px 24px;
  background-color: var(--black);
  color: var(--cream) !important;
  text-align: center;
  border-bottom: none;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__img { width: 100%; height: 100%; object-fit: cover; }
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(0,0,0,0.65) 0%,
    rgba(0,0,0,0.35) 60%,
    rgba(0,0,0,0.2) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 1;
  padding-top: 120px;
  padding-bottom: 80px;
  max-width: 760px;
}

.hero__eyebrow {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 20px;
}

.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 400;
  line-height: 1.1;
  color: var(--cream);
  margin-bottom: 24px;
}
.hero__title em { font-style: italic; color: var(--gold-light); }

.hero__subtitle {
  font-size: clamp(0.875rem, 1.5vw, 1rem);
  font-weight: 300;
  color: rgba(240,237,230,0.8);
  margin-bottom: 40px;
  max-width: 520px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.hero__scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}
.hero__scroll-line {
  display: block;
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, rgba(240,237,230,0.6), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.6; transform: scaleY(1); }
  50%       { opacity: 1;   transform: scaleY(1.15); }
}

.br-desktop { display: none; }
@media (min-width: 768px) { .br-desktop { display: block; } }

/* ============================================================
   STRIP
   ============================================================ */
.strip {
  background-color: var(--black-soft);
  padding: 22px 0;
  overflow: hidden;
}
.strip__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 32px;
}
.strip__item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(240,237,230,0.75);
}
.strip__icon { color: var(--gold); font-size: 0.5rem; }

/* ============================================================
   SOBRE
   ============================================================ */
.sobre {
  padding-block: var(--section-gap);
}
.sobre__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 8vw, 96px);
  align-items: center;
}

.sobre__img-wrap {
  position: relative;
}
.sobre__img-frame {
  aspect-ratio: 3/4;
  overflow: hidden;
  position: relative;
  z-index: 1;
}
.sobre__img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.sobre__img-frame:hover .sobre__img { transform: scale(1.04); }
.sobre__img-accent {
  position: absolute;
  bottom: -24px;
  right: -24px;
  width: 60%;
  aspect-ratio: 1;
  border: 1.5px solid var(--gold);
  z-index: 0;
}

.sobre__body {
  color: var(--gray);
  font-size: 0.925rem;
  margin-bottom: 18px;
  line-height: 1.8;
}
.sobre__body strong { color: var(--black); font-weight: 500; }
.sobre__body:last-of-type { margin-bottom: 32px; }

/* ============================================================
   DIFERENCIAIS
   ============================================================ */
.diferenciais {
  background-color: var(--cream-dark);
  padding-block: var(--section-gap);
}
.dif__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}
.dif__card {
  background-color: var(--cream);
  padding: 40px 32px;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition), transform var(--transition);
}
.dif__card:hover {
  border-color: var(--gold);
  transform: translateY(-4px);
}
.dif__card-icon {
  width: 44px;
  height: 44px;
  color: var(--gold);
  margin-bottom: 20px;
}
.dif__card-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: 10px;
}
.dif__card-text {
  font-size: 0.85rem;
  color: var(--gray);
  line-height: 1.75;
}

/* ============================================================
   SERVIÇOS
   ============================================================ */
.servicos { padding-block: var(--section-gap); }
.servicos__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 8vw, 96px);
  align-items: center;
}
.servicos__body {
  font-size: 0.925rem;
  color: var(--gray);
  line-height: 1.8;
  margin-bottom: 28px;
}
.servicos__list {
  margin-bottom: 36px;
}
.servicos__list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 0.875rem;
  color: var(--black-soft);
  padding: 9px 0;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
.list-marker {
  color: var(--gold);
  font-size: 1rem;
  flex-shrink: 0;
}

.servicos__imgs {
  display: grid;
  grid-template-columns: 3fr 2fr;
  grid-template-rows: 1fr 1fr;
  gap: 12px;
  height: clamp(400px, 55vw, 600px);
}
.servicos__img-main {
  grid-row: 1 / -1;
  overflow: hidden;
}
.servicos__img-accent {
  overflow: hidden;
  align-self: end;
}
.servicos__imgs img { width: 100%; height: 100%; }
.servicos__img-main img,
.servicos__img-accent img { transition: transform 0.6s ease; }
.servicos__img-main:hover img,
.servicos__img-accent:hover img { transform: scale(1.04); }

/* ============================================================
   PORTFÓLIO
   ============================================================ */
.portfolio {
  background-color: var(--cream-dark);
  padding-block: var(--section-gap);
}
.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 12px;
}
.portfolio__item--large {
  grid-column: 1 / 3;
  grid-row: 1 / 2;
}

.portfolio__img-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
}
.portfolio__item--large .portfolio__img-wrap { aspect-ratio: 16/9; }

.portfolio__img-wrap img { transition: transform 0.6s ease; }
.portfolio__img-wrap:hover img { transform: scale(1.05); }

.portfolio__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.65) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px 24px;
  opacity: 0;
  transition: opacity var(--transition);
}
.portfolio__img-wrap:hover .portfolio__overlay { opacity: 1; }

.portfolio__overlay-label {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 4px;
}
.portfolio__overlay-type {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--cream);
}

/* Mobile: always show overlay */
@media (hover: none) {
  .portfolio__overlay { opacity: 1; }
}

/* ============================================================
   DEPOIMENTOS
   ============================================================ */
.depoimentos { padding-block: var(--section-gap); }
.dep__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.dep__card {
  background-color: var(--cream-dark);
  padding: 36px 32px;
  position: relative;
}
.dep__card::before {
  content: '\201C';
  position: absolute;
  top: 20px;
  left: 28px;
  font-family: var(--font-serif);
  font-size: 5rem;
  line-height: 1;
  color: var(--gold);
  opacity: 0.3;
}
.dep__stars {
  color: var(--gold);
  font-size: 0.75rem;
  letter-spacing: 3px;
  margin-bottom: 16px;
}
.dep__text {
  font-size: 0.9rem;
  color: var(--gray);
  line-height: 1.8;
  font-style: italic;
  margin-bottom: 24px;
}
.dep__author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.dep__author-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.dep__author-info strong {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--black);
}
.dep__author-info span {
  font-size: 0.72rem;
  color: var(--gray-light);
  letter-spacing: 0.05em;
}

/* ============================================================
   PROCESSO
   ============================================================ */
.processo {
  background-color: var(--black-soft);
  padding-block: var(--section-gap);
}
.processo .section-eyebrow { color: var(--gold); }
.processo .section-title { color: var(--cream); }

.proc__steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0;
  counter-reset: none;
  position: relative;
}
.proc__steps::before {
  content: '';
  position: absolute;
  top: 26px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--gold) 20%, var(--gold) 80%, transparent);
  pointer-events: none;
}

.proc__step {
  padding: 24px 28px 0;
  position: relative;
}
.proc__step-num {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--gold);
  background-color: var(--black-soft);
  padding-right: 8px;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}
.proc__step-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--cream);
  margin-bottom: 10px;
}
.proc__step-text {
  font-size: 0.85rem;
  color: rgba(240,237,230,0.6);
  line-height: 1.75;
}

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta-banner {
  position: relative;
  min-height: clamp(380px, 55vw, 560px);
  display: flex;
  align-items: center;
  overflow: hidden;
}
.cta-banner__media {
  position: absolute;
  inset: 0;
}
.cta-banner__media img { width: 100%; height: 100%; object-fit: cover; }
.cta-banner__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0.45) 100%);
}
.cta-banner__content {
  position: relative;
  z-index: 1;
  max-width: 640px;
  padding-block: 60px;
}
.cta-banner__title {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 400;
  color: var(--cream);
  line-height: 1.1;
  margin-bottom: 20px;
}
.cta-banner__title em { font-style: italic; color: var(--gold-light); }
.cta-banner__subtitle {
  font-size: 0.925rem;
  color: rgba(240,237,230,0.8);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 480px;
}

/* ============================================================
   CONTATO / FORM
   ============================================================ */
.contato { padding-block: var(--section-gap); }
.contato__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(40px, 8vw, 96px);
  align-items: start;
}

.contato__body {
  font-size: 0.925rem;
  color: var(--gray);
  line-height: 1.8;
  margin-bottom: 28px;
}
.contato__details {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 32px;
}
.contato__details li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.875rem;
  color: var(--gray);
}
.contato__details svg { flex-shrink: 0; color: var(--gold); }

.contato__social { display: flex; gap: 16px; }
.social-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--black-soft);
  padding: 10px 18px;
  border: 1.5px solid var(--cream-dark);
  border-radius: var(--radius);
  transition: var(--transition);
}
.social-link:hover {
  border-color: var(--gold);
  color: var(--gold);
}

/* Form */
.contato__form-wrap {
  background-color: var(--cream-dark);
  padding: clamp(32px, 5vw, 52px);
  position: relative;
}
.form { display: flex; flex-direction: column; gap: 20px; }
.form__group { display: flex; flex-direction: column; gap: 6px; }
.form__label {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--black-soft);
}
.form__label span { color: var(--gold); }
.form__input {
  padding: 13px 16px;
  background-color: var(--cream);
  border: 1.5px solid transparent;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 300;
  color: var(--black);
  outline: none;
  transition: border-color var(--transition-fast);
  appearance: none;
  -webkit-appearance: none;
}
.form__input::placeholder { color: var(--gray-light); }
.form__input:focus { border-color: var(--gold); }
.form__input.is-error { border-color: #c0392b; }
.form__error {
  font-size: 0.72rem;
  color: #c0392b;
  min-height: 16px;
}
.form__select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b6b6b' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
  cursor: pointer;
}
.form__textarea { resize: vertical; min-height: 110px; }

.form__submit { margin-top: 4px; }
.form__privacy {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 0.72rem;
  color: var(--gray-light);
  text-align: center;
}
.form__privacy svg { color: var(--gold); flex-shrink: 0; }

/* Success state */
.form__success {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  text-align: center;
  min-height: 300px;
}
.form__success-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: var(--gold);
  color: var(--white);
  font-size: 1.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.form__success h3 {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 400;
}
.form__success p {
  font-size: 0.9rem;
  color: var(--gray);
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background-color: var(--black-soft);
  padding-block: 52px 32px;
}
.footer__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
}
.footer__brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.footer__brand .logo-name { color: var(--cream); font-size: 1.3rem; }
.footer__brand .logo-tagline { color: rgba(240,237,230,0.5); }
.footer__desc {
  margin-top: 10px;
  font-size: 0.78rem;
  color: rgba(240,237,230,0.45);
  max-width: 260px;
  line-height: 1.7;
}

.footer__nav {
  display: flex;
  gap: 24px;
  justify-content: center;
}
.footer__nav a {
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(240,237,230,0.5);
  transition: color var(--transition-fast);
}
.footer__nav a:hover { color: var(--gold); }

.footer__copy {
  font-size: 0.72rem;
  color: rgba(240,237,230,0.3);
  text-align: right;
}

/* ============================================================
   WHATSAPP FAB
   ============================================================ */
.whatsapp-fab {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 90;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: #25D366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: transform var(--transition), box-shadow var(--transition);
}
.whatsapp-fab:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.55);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .portfolio__grid {
    grid-template-columns: 1fr 1fr;
  }
  .portfolio__item--large {
    grid-column: 1 / -1;
  }
  .footer__inner {
    grid-template-columns: 1fr 1fr;
  }
  .footer__copy { grid-column: 1 / -1; text-align: left; }
}

@media (max-width: 768px) {
  .header-nav { display: none; }
  .menu-toggle { display: flex; }

  .hero__title { font-size: clamp(2.2rem, 9vw, 3rem); }
  .hero__subtitle { font-size: 0.875rem; }
  .hero__actions { flex-direction: column; align-items: flex-start; }
  .hero__actions .btn { width: 100%; justify-content: center; }

  .sobre__grid,
  .servicos__grid,
  .contato__grid {
    grid-template-columns: 1fr;
  }

  .sobre__img-accent { display: none; }
  .sobre__img-frame { aspect-ratio: 4/3; }

  .servicos__imgs {
    height: 320px;
  }

  .portfolio__grid {
    grid-template-columns: 1fr;
  }
  .portfolio__item--large { grid-column: auto; }
  .portfolio__img-wrap { aspect-ratio: 16/9; }
  .portfolio__item--large .portfolio__img-wrap { aspect-ratio: 16/9; }

  .proc__steps { grid-template-columns: 1fr; gap: 32px; }
  .proc__steps::before { display: none; }
  .proc__step { padding: 0; }

  .footer__inner {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer__nav { justify-content: flex-start; flex-wrap: wrap; }
  .footer__copy { text-align: left; }

  .strip__list { gap: 8px 20px; }
  .strip__item { font-size: 0.6rem; }
}

@media (max-width: 480px) {
  .contato__form-wrap { padding: 28px 20px; }
  .dep__card { padding: 28px 24px; }
  .dif__card { padding: 28px 24px; }
  .whatsapp-fab { bottom: 20px; right: 20px; width: 50px; height: 50px; }
}

/* ============================================================
   MOBILE-FIRST — Melhorias para conversão mobile
   ============================================================ */

/* Label do FAB WhatsApp (oculto por padrão, visível no mobile) */
.whatsapp-fab__label { display: none; }

/* ---------- Barra CTA Sticky ---------- */
.mobile-sticky-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 88;
  padding: 10px 16px;
  padding-bottom: max(10px, calc(10px + env(safe-area-inset-bottom)));
  background: var(--black-soft);
  border-top: 1px solid rgba(184,149,106,0.25);
  transform: translateY(100%);
  transition: transform 0.35s ease, opacity 0.35s ease;
  opacity: 0;
}
.mobile-sticky-cta.is-visible {
  transform: translateY(0);
  opacity: 1;
}
.mobile-sticky-cta .btn {
  width: 100%;
  justify-content: center;
  background: var(--gold);
  border-color: var(--gold);
  color: var(--white);
}
.mobile-sticky-cta .btn:active {
  background: var(--gold-light);
  border-color: var(--gold-light);
}

/* ---------- Ajustes 768px (mobile) ---------- */
@media (max-width: 768px) {
  /* Barra CTA ativa */
  .mobile-sticky-cta { display: block; }

  /* Área de toque mínima para botões (44px+) */
  .btn { min-height: 48px; }

  /* Hero: padding-top menor (header é fixed de 72px) */
  .hero__content {
    padding-top: 88px;
    padding-bottom: 56px;
  }

  /* WhatsApp FAB: pill com label de texto */
  .whatsapp-fab {
    width: auto;
    border-radius: 100px;
    padding: 0 18px 0 14px;
    gap: 10px;
    bottom: 76px; /* acima da sticky bar */
    right: 16px;
  }
  .whatsapp-fab__label {
    display: inline;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    white-space: nowrap;
  }

  /* Sobre: texto/CTA antes da imagem (maior conversão) */
  .sobre__grid {
    display: flex;
    flex-direction: column;
  }
  .sobre__img-wrap { order: 2; }
  .sobre__text     { order: 1; }

  /* Contato: formulário antes das informações */
  .contato__grid {
    display: flex;
    flex-direction: column;
  }
  .contato__info      { order: 2; }
  .contato__form-wrap { order: 1; }

  /* Strip: scroll horizontal em vez de quebrar linhas */
  .strip__list {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    justify-content: flex-start;
    padding-inline: 4px;
  }
  .strip__list::-webkit-scrollbar { display: none; }
  .strip__item { flex-shrink: 0; }

  /* Serviços: somente imagem principal no mobile */
  .servicos__imgs {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    height: auto;
  }
  .servicos__img-main {
    grid-row: auto;
    aspect-ratio: 16/9;
    overflow: hidden;
  }
  .servicos__img-accent { display: none; }

  /* Processo: linha vertical lateral */
  .proc__steps {
    padding-left: 24px;
    border-left: 1px solid rgba(184,149,106,0.3);
  }

  /* CTA Banner: menos padding no mobile */
  .cta-banner__content { padding-block: 44px; }

  /* Formulário: previne zoom automático do iOS (font-size >= 16px) */
  .form__input {
    font-size: 1rem;
    min-height: 48px;
  }
  .form__textarea { min-height: 120px; }
}

/* Portfolio: 2 colunas em telas médias (400–768px) */
@media (min-width: 400px) and (max-width: 768px) {
  .portfolio__grid { grid-template-columns: 1fr 1fr; }
  .portfolio__item--large { grid-column: 1 / -1; }
  .portfolio__img-wrap { aspect-ratio: 4/3; }
}

/* ============================================================
   FOCUS STYLES (accessibility)
   ============================================================ */
:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}