/* ═══════════════════════════════════════════════════════
   SOMAR.IA — HOME DESIGN SYSTEM
   Paleta:
     #FAFAF8  bg-base
     #1A1A1A  text-primary
     #6B6B6B  text-secondary
     #E8E6E0  surface-subtle
     #C8102E  accent (uso cirúrgico)
     #0F0F0F  contrast-dark (somente seção Cases)
   Fontes: Fraunces (display) + Inter (corpo/UI)
═══════════════════════════════════════════════════════ */

:root {
  --bg-base:        #FAFAF8;
  --text-primary:   #1A1A1A;
  --text-secondary: #4A4A4A;
  --surface-subtle: #E8E6E0;
  --accent:         #C8102E;
  --contrast-dark:  #0F0F0F;
  --radius:         8px;
  --max-w:          1100px;
  --transition:     all 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
}

/* ─── TIPOGRAFIA ─────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: 'Fraunces', Georgia, serif;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

/* ─── UTILITÁRIOS ────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
}

.section-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

/* ─── SCROLL REVEAL ──────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── BOTÕES ─────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #fff;
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  padding: 0.8rem 1.6rem;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.btn-primary:hover {
  background: #a50d25;
  transform: translateY(-2px);
}

.btn-primary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  padding: 0.8rem 1.6rem;
  border-radius: var(--radius);
  border: 1.5px solid var(--surface-subtle);
  cursor: pointer;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.btn-outline:hover {
  border-color: var(--text-primary);
  transform: translateY(-2px);
}

.btn-outline:focus-visible {
  outline: 2px solid var(--text-primary);
  outline-offset: 3px;
}

/* ═══════════════════════════════════════════════════
   HEADER
═══════════════════════════════════════════════════ */
#site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-base);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease;
}

#site-header.scrolled {
  border-bottom-color: var(--surface-subtle);
}

.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.header-logo {
  height: 48px;
  width: auto;
  flex-shrink: 0;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
  margin-left: auto;
}

.header-nav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
  white-space: nowrap;
}

.header-nav a:hover {
  color: var(--text-primary);
}

.header-nav a:focus-visible {
  outline: 2px solid var(--text-primary);
  outline-offset: 2px;
  border-radius: 2px;
}

.header-cta {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
  border: 1.5px solid var(--surface-subtle);
  border-radius: var(--radius);
  padding: 0.5rem 1.1rem;
  white-space: nowrap;
  transition: var(--transition);
  flex-shrink: 0;
}

.header-cta:hover {
  border-color: var(--text-primary);
  background: var(--text-primary);
  color: var(--bg-base);
}

.header-cta:focus-visible {
  outline: 2px solid var(--text-primary);
  outline-offset: 3px;
}

.burger-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  margin-left: auto;
  flex-shrink: 0;
}

.burger-btn span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text-primary);
  transition: var(--transition);
  transform-origin: center;
}

.burger-btn.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.burger-btn.open span:nth-child(2) { opacity: 0; }
.burger-btn.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ═══════════════════════════════════════════════════
   MOBILE MENU OVERLAY
═══════════════════════════════════════════════════ */
#mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--contrast-dark);
  z-index: 200;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 2.25rem;
}

#mobile-menu.open {
  display: flex;
}

#mobile-menu a {
  font-family: 'Fraunces', serif;
  font-size: clamp(1.6rem, 5vw, 2.2rem);
  font-weight: 700;
  color: var(--bg-base);
  text-decoration: none;
  transition: opacity 0.2s ease;
}

#mobile-menu a:hover {
  opacity: 0.55;
}

#mobile-menu a:focus-visible {
  outline: 2px solid var(--bg-base);
  outline-offset: 4px;
  border-radius: 2px;
}

.mobile-close {
  position: absolute;
  top: 1.25rem;
  right: 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--bg-base);
  font-size: 1.5rem;
  line-height: 1;
  padding: 8px;
  opacity: 0.6;
  transition: opacity 0.2s ease;
}

.mobile-close:hover {
  opacity: 1;
}

.mobile-close:focus-visible {
  outline: 2px solid var(--bg-base);
  outline-offset: 3px;
  border-radius: var(--radius);
}

/* ═══════════════════════════════════════════════════
   1. HERO
═══════════════════════════════════════════════════ */
.hero {
  min-height: calc(100vh - 72px);
  display: flex;
  align-items: center;
  padding: 5rem 0 4rem;
}

.hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  align-items: start;
  width: 100%;
}

.hero-text {
  width: 100%;
}

.hero-kicker {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: clamp(1.9rem, 5.5vw, 5rem);
  font-weight: 300;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.hero h1 em {
  font-style: italic;
  font-weight: 300;
}

/* Contraste de peso dentro do headline */
.h1-heavy {
  font-weight: 800;
  font-style: normal;
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2.25rem;
  max-width: 620px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.hero-seo {
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 660px;
  opacity: 0.85;
}

/* ─── Stats strip — faixa de métricas abaixo do hero-seo ── */
.hero-stats-strip {
  display: flex;
  margin-top: 2.5rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--surface-subtle);
  gap: 0;
  max-width: 560px;
}

.hero-stats-strip .hero-stat {
  flex: 1;
  padding: 0 1.75rem;
  border-right: 1px solid var(--surface-subtle);
  text-align: center;
}

.hero-stats-strip .hero-stat:first-child {
  padding-left: 0;
  text-align: left;
}

.hero-stats-strip .hero-stat:last-child {
  border-right: none;
}

.hero-stats-strip .hero-stat-num {
  font-size: 1.6rem;
}

@media (max-width: 600px) {
  .hero-stats-strip {
    max-width: 100%;
  }
  .hero-stats-strip .hero-stat {
    padding: 0 0.875rem;
  }
  .hero-stats-strip .hero-stat-num {
    font-size: 1.3rem;
  }
  .hero-stats-strip .hero-stat-label {
    font-size: 0.58rem;
  }
}

/* ─── Hero deco: mini iPhone + stats ────────────── */
.hero-deco {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

/* Mini iPhone frame */
.hero-phone-mini {
  width: 148px;
  background: #1C1C1E;
  border-radius: 30px;
  padding: 8px;
  position: relative;
  transform: rotate(-5deg);
  box-shadow:
    inset 0 0 0 0.5px rgba(255, 255, 255, 0.1),
    0 30px 60px rgba(0, 0, 0, 0.16),
    0 10px 25px rgba(0, 0, 0, 0.08);
  transition: transform 0.4s ease;
}

.hero-phone-mini:hover {
  transform: rotate(-2deg) translateY(-4px);
}

.hero-phone-mini::before {          /* power button */
  content: '';
  position: absolute;
  right: -2px;
  top: 60px;
  width: 2px;
  height: 28px;
  background: #2C2C2E;
  border-radius: 0 2px 2px 0;
}

.hero-phone-mini::after {           /* volume buttons */
  content: '';
  position: absolute;
  left: -2px;
  top: 46px;
  width: 2px;
  height: 20px;
  background: #2C2C2E;
  border-radius: 2px 0 0 2px;
  box-shadow: 0 30px 0 #2C2C2E, 0 55px 0 #2C2C2E;
}

.hero-phone-mini-screen {
  border-radius: 23px;
  overflow: hidden;
  aspect-ratio: 9 / 19.5;
  background: #000;
  position: relative;
}

.hero-phone-mini-island {
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 48px;
  height: 14px;
  background: #000;
  border-radius: 14px;
  z-index: 10;
  pointer-events: none;
}

.hero-phone-mini-screen img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.hero-phone-label {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-secondary);
  text-align: center;
  margin-top: -0.75rem;
}

/* Stats abaixo do phone */
.hero-stats-row {
  display: flex;
  gap: 0.875rem;
  width: 100%;
  padding-top: 1.25rem;
  border-top: 1px solid var(--surface-subtle);
}

.hero-stat {
  flex: 1;
  text-align: center;
}

.hero-stat-num {
  display: block;
  font-family: 'Fraunces', serif;
  font-size: 1.35rem;
  font-weight: 700;
  font-optical-sizing: none;
  font-variation-settings: 'opsz' 72;
  font-variant-numeric: lining-nums tabular-nums;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.hero-stat-label {
  display: block;
  font-size: 0.6rem;
  font-weight: 500;
  color: var(--text-secondary);
  line-height: 1.35;
}

/* ═══════════════════════════════════════════════════
   2. PROVA EM MOVIMENTO
═══════════════════════════════════════════════════ */
.section-videos {
  padding: 7rem 0;
  overflow: visible;
}

.videos-header {
  max-width: var(--max-w);
  margin: 0 auto 5rem;
  padding: 0 2rem;
}

.videos-header h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-top: 0.25rem;
}

/* 2-up layout — works for 2 phones, scales to 3-4 naturally */
.videos-grid {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 7rem;
  padding: 2rem 2rem 4rem;
  flex-wrap: wrap;
}

/* Phone card */
.phone-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.75rem;
  flex-shrink: 0;
}

.phone-card:nth-child(odd) {
  transform: rotate(-3deg);
}

.phone-card:nth-child(even) {
  transform: rotate(2deg) translateY(2.5rem);
}

.phone-card:hover {
  transform: rotate(0deg) translateY(-4px) !important;
  transition: transform 0.4s ease;
}

/* iPhone frame */
.phone-mockup {
  width: 245px;
  background: #1C1C1E;
  border-radius: 46px;
  padding: 11px;
  position: relative;
  box-shadow:
    inset 0 0 0 0.5px rgba(255, 255, 255, 0.1),
    0 40px 80px rgba(0, 0, 0, 0.18),
    0 12px 30px rgba(0, 0, 0, 0.10);
}

/* Power button */
.phone-mockup::before {
  content: '';
  position: absolute;
  right: -3px;
  top: 100px;
  width: 3px;
  height: 46px;
  background: #2C2C2E;
  border-radius: 0 3px 3px 0;
}

/* Volume buttons */
.phone-mockup::after {
  content: '';
  position: absolute;
  left: -3px;
  top: 76px;
  width: 3px;
  height: 34px;
  background: #2C2C2E;
  border-radius: 3px 0 0 3px;
  box-shadow: 0 50px 0 #2C2C2E, 0 92px 0 #2C2C2E;
}

.phone-screen {
  border-radius: 36px;
  overflow: hidden;
  background: #000;
  position: relative;
  aspect-ratio: 9 / 19.5;
}

.phone-island {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 82px;
  height: 23px;
  background: #000;
  border-radius: 20px;
  z-index: 10;
  pointer-events: none;
}

.phone-screen video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.phone-info h3 {
  font-family: 'Fraunces', serif;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.phone-info p {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* ═══════════════════════════════════════════════════
   3. O QUE FAZEMOS — editorial list
═══════════════════════════════════════════════════ */
.section-services {
  padding: 7rem 0;
  border-top: 1px solid var(--surface-subtle);
}

.services-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 5rem;
  align-items: start;
}

.services-heading {
  position: sticky;
  top: 7rem;
}

.services-heading h2 {
  font-size: clamp(1.75rem, 2.8vw, 2.4rem);
  font-weight: 700;
  margin-top: 0.25rem;
}

.services-list {
  list-style: none;
}

.service-item {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 1.75rem 0;
  border-top: 1px solid var(--surface-subtle);
  transition: padding-left 0.25s ease;
  cursor: default;
}

.service-item:last-child {
  border-bottom: 1px solid var(--surface-subtle);
}

.service-item:hover {
  padding-left: 0.625rem;
}

.service-text {
  flex: 1;
}

.service-title {
  font-family: 'Fraunces', serif;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.3rem;
  letter-spacing: -0.01em;
}

.service-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.service-arrow {
  color: var(--text-secondary);
  font-size: 1rem;
  flex-shrink: 0;
  transition: transform 0.2s ease, color 0.2s ease;
  font-family: 'Inter', sans-serif;
}

.service-item:hover .service-arrow {
  transform: translateX(5px);
  color: var(--text-primary);
}

/* ═══════════════════════════════════════════════════
   4. CASES — única seção escura
═══════════════════════════════════════════════════ */
.section-cases {
  background: var(--contrast-dark);
  padding: 7rem 0;
}

.cases-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
}

.cases-heading {
  margin-bottom: 4rem;
}

.cases-eyebrow {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(250, 250, 248, 0.3);
  margin-bottom: 0.75rem;
}

.cases-heading h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--bg-base);
}

.cases-list {
  list-style: none;
}

.case-item {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  align-items: center;
  gap: 2rem;
  padding: 2rem 0;
  border-top: 1px solid rgba(250, 250, 248, 0.07);
  transition: var(--transition);
}

.case-item:last-child {
  border-bottom: 1px solid rgba(250, 250, 248, 0.07);
}

.case-num {
  font-family: 'Fraunces', serif;
  font-size: 0.875rem;
  font-weight: 400;
  color: rgba(250, 250, 248, 0.2);
  font-variant-numeric: tabular-nums;
  align-self: start;
  padding-top: 0.2rem;
}

.case-name {
  font-family: 'Fraunces', serif;
  font-size: clamp(1.4rem, 2.5vw, 1.75rem);
  font-weight: 700;
  color: var(--bg-base);
  margin-bottom: 0.3rem;
  line-height: 1.2;
  transition: color 0.2s ease;
}

.case-desc {
  font-size: 0.85rem;
  color: rgba(250, 250, 248, 0.45);
  line-height: 1.55;
  transition: color 0.2s ease;
}

.case-tag {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: rgba(250, 250, 248, 0.28);
  border: 1px solid rgba(250, 250, 248, 0.1);
  border-radius: 4px;
  padding: 0.3rem 0.65rem;
  white-space: nowrap;
  align-self: start;
  margin-top: 0.2rem;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.case-item:hover .case-name {
  color: #fff;
}

.case-item:hover .case-desc {
  color: rgba(250, 250, 248, 0.65);
}

.case-item:hover .case-tag {
  color: rgba(250, 250, 248, 0.55);
  border-color: rgba(250, 250, 248, 0.22);
}

/* ═══════════════════════════════════════════════════
   5. COMO FUNCIONA — timeline
═══════════════════════════════════════════════════ */
.section-process {
  padding: 7rem 0;
  border-top: 1px solid var(--surface-subtle);
}

.process-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
}

.process-head {
  margin-bottom: 4rem;
}

.process-head h2 {
  font-size: clamp(1.75rem, 2.8vw, 2.4rem);
  font-weight: 700;
  margin-top: 0.25rem;
}

.process-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.process-step {
  padding-right: 2rem;
}

.process-step:last-child {
  padding-right: 0;
}

/* Dot + connecting line */
.step-header {
  display: flex;
  align-items: center;
  margin-bottom: 1.5rem;
}

.step-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg-base);
  border: 2px solid var(--text-primary);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.step-dot.first {
  background: var(--accent);
  border-color: var(--accent);
}

.step-line {
  flex: 1;
  height: 1px;
  background: var(--surface-subtle);
  margin-left: 0;
}

.process-step:last-child .step-line {
  display: none;
}

.step-num {
  display: block;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}

.step-title {
  font-family: 'Fraunces', serif;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
  letter-spacing: -0.01em;
}

.step-time {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.step-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* ═══════════════════════════════════════════════════
   6. STATS — tipografia editorial
═══════════════════════════════════════════════════ */
.section-stats {
  padding: 6rem 0;
  background: #fff;
  border-top: 1px solid var(--surface-subtle);
  border-bottom: 1px solid var(--surface-subtle);
}

.stats-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.stat {
  padding: 0 2.5rem;
  border-left: 1px solid var(--surface-subtle);
}

.stat:first-child {
  border-left: none;
  padding-left: 0;
}

.stat-num {
  display: block;
  font-family: 'Fraunces', serif;
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 0.75rem;
}

.stat-label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

/* ═══════════════════════════════════════════════════
   7. CTA FINAL
═══════════════════════════════════════════════════ */
.section-cta {
  padding: 7rem 0;
  position: relative;
}

.section-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 2rem;
  right: 2rem;
  height: 3px;
  background: var(--accent);
  border-radius: 0 0 3px 3px;
}

.cta-inner {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 2rem;
  text-align: center;
}

.cta-inner h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: 1rem;
}

.cta-inner p {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

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

/* ═══════════════════════════════════════════════════
   WHATSAPP FLOAT
═══════════════════════════════════════════════════ */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 99;
  width: 54px;
  height: 54px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: 0 4px 18px rgba(37, 211, 102, 0.35);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.whatsapp-float:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 26px rgba(37, 211, 102, 0.4);
}

.whatsapp-float:focus-visible {
  outline: 2px solid #25D366;
  outline-offset: 3px;
}

.whatsapp-float svg {
  width: 26px;
  height: 26px;
}

/* ═══════════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════════ */
footer {
  background: var(--bg-base);
  border-top: 1px solid var(--surface-subtle);
  padding: 4rem 0 2rem;
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-logo {
  height: 50px;
  width: auto;
  margin-bottom: 1rem;
}

.footer-tagline {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  max-width: 240px;
}

.footer-socials {
  display: flex;
  gap: 0.625rem;
}

.footer-social {
  width: 34px;
  height: 34px;
  border: 1px solid var(--surface-subtle);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
}

.footer-social:hover {
  border-color: var(--text-primary);
  color: var(--text-primary);
}

.footer-social:focus-visible {
  outline: 2px solid var(--text-primary);
  outline-offset: 2px;
}

.footer-social svg {
  width: 15px;
  height: 15px;
  fill: currentColor;
}

.footer-col h5 {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 0.7rem;
}

.footer-col ul li a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-col ul li a:hover {
  color: var(--text-primary);
}

.footer-col ul li a:focus-visible {
  outline: 2px solid var(--text-primary);
  outline-offset: 2px;
  border-radius: 2px;
}

.footer-email {
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-decoration: none;
  display: block;
  margin-bottom: 1.25rem;
  transition: color 0.2s ease;
}

.footer-email:hover {
  color: var(--text-primary);
}

.footer-phone-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  border: 1px solid var(--surface-subtle);
  border-radius: var(--radius);
  margin-bottom: 0.625rem;
  text-decoration: none;
  transition: border-color 0.2s ease;
}

.footer-phone-card:hover {
  border-color: var(--text-primary);
}

.footer-phone-card:focus-visible {
  outline: 2px solid var(--text-primary);
  outline-offset: 2px;
}

.footer-phone-icon {
  width: 30px;
  height: 30px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.footer-phone-icon svg {
  width: 14px;
  height: 14px;
  fill: #fff;
}

.footer-phone-region {
  display: block;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.footer-phone-number {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.footer-bottom {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 2rem 2rem 0;
  border-top: 1px solid var(--surface-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-bottom p {
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ═══════════════════════════════════════════════════
   RESPONSIVE — 1024px
═══════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .hero-deco {
    flex-direction: row;
    align-items: flex-start;
    gap: 2rem;
  }

  .hero-phone-mini {
    width: 116px;
    transform: rotate(-3deg);
    flex-shrink: 0;
  }

  .hero-phone-mini:hover {
    transform: rotate(-1deg) translateY(-3px);
  }

  .hero-stats-row {
    flex-direction: column;
    border-top: none;
    border-left: 1px solid var(--surface-subtle);
    padding-top: 0;
    padding-left: 1.25rem;
    justify-content: center;
    flex: 1;
  }

  .hero-stat {
    text-align: left;
  }

  .services-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .services-heading {
    position: static;
  }

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

/* ═══════════════════════════════════════════════════
   RESPONSIVE — 768px
═══════════════════════════════════════════════════ */
@media (max-width: 768px) {
  .section-videos,
  .section-services,
  .section-cases,
  .section-process,
  .section-stats,
  .section-cta {
    padding: 4.5rem 0;
  }

  /* Header */
  .header-nav,
  .header-cta {
    display: none;
  }

  .burger-btn {
    display: flex;
    margin-left: auto;
  }

  /* Hero */
  .hero {
    padding: 3rem 0;
    min-height: auto;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  /* Hero deco — oculta no mobile (stats aparecem na seção 6) */
  .hero-deco {
    display: none;
  }

  /* Videos — stack vertically, no rotation */
  .videos-grid {
    flex-direction: column;
    align-items: center;
    gap: 3.5rem;
    padding: 1rem 2rem 2.5rem;
  }

  .phone-card:nth-child(odd),
  .phone-card:nth-child(even) {
    transform: none;
  }

  .phone-card:hover {
    transform: translateY(-4px) !important;
  }

  /* Process — vertical on mobile */
  .process-timeline {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .process-step {
    display: grid;
    grid-template-columns: 12px 1fr;
    gap: 0 1.5rem;
    padding-right: 0;
    padding-bottom: 2.5rem;
    align-items: start;
  }

  .process-step:last-child {
    padding-bottom: 0;
  }

  .step-header {
    flex-direction: column;
    align-items: center;
    margin-bottom: 0;
    gap: 0;
    grid-row: 1 / -1;
  }

  .step-dot {
    flex-shrink: 0;
  }

  .step-line {
    display: block !important;
    flex: 1;
    width: 1px;
    height: 100%;
    background: var(--surface-subtle);
    margin-top: 6px;
  }

  .process-step:last-child .step-line {
    display: none !important;
  }

  .process-step-content {
    padding-top: 0;
  }

  /* Stats — 2×2 on mobile */
  .stats-inner {
    grid-template-columns: 1fr 1fr;
    gap: 0;
  }

  .stat {
    padding: 2rem 1.5rem;
    border-left: none;
  }

  .stat:nth-child(odd) {
    border-right: 1px solid var(--surface-subtle);
  }

  .stat:nth-child(n+3) {
    border-top: 1px solid var(--surface-subtle);
  }

  /* Cases */
  .case-item {
    grid-template-columns: 36px 1fr;
    gap: 1.25rem;
  }

  .case-tag {
    display: none;
  }

  /* CTA */
  .section-cta::before {
    left: 1.5rem;
    right: 1.5rem;
  }

  /* Footer */
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 2.25rem;
    margin-bottom: 2.5rem;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  /* Videos header */
  .videos-header {
    margin-bottom: 3rem;
  }
}

/* ═══════════════════════════════════════════════════
   RESPONSIVE — 480px
═══════════════════════════════════════════════════ */
@media (max-width: 480px) {
  .hero-inner,
  .videos-header,
  .services-inner,
  .cases-inner,
  .process-inner,
  .stats-inner,
  .cta-inner {
    padding: 0 1.5rem;
  }

  .hero h1 {
    font-size: 1.9rem;
  }

  .phone-mockup {
    width: 210px;
  }

  .stat-num {
    font-size: 2.2rem;
  }
}