/* =============================================
   GNR TECH — Global Styles
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&display=swap');

/* ── CSS Custom Properties ── */
:root {
  --black:       #080808;
  --black-2:     #111111;
  --black-3:     #1a1a1a;
  --card-bg:     #141414;
  --border:      rgba(255,255,255,0.08);
  --border-hover:rgba(255,255,255,0.18);
  --white:       #ffffff;
  --white-60:    rgba(255,255,255,0.6);
  --white-40:    rgba(255,255,255,0.4);
  --white-10:    rgba(255,255,255,0.06);
  --accent:      #ffffff;
  --accent-dim:  rgba(255,255,255,0.08);
  --accent-glow: rgba(255,255,255,0.20);
  --radius-sm:   10px;
  --radius-md:   18px;
  --radius-lg:   28px;
  --radius-xl:   40px;
  --font:        'Plus Jakarta Sans', sans-serif;
  --transition:  0.3s cubic-bezier(0.4,0,0.2,1);
  --max-w:       1200px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font);
  background: var(--black);
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
button { font-family: var(--font); cursor: pointer; border: none; background: none; }

/* ── Utility ── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: 24px;
}
.section { padding-block: 100px; }
.section--sm { padding-block: 70px; }
.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--white-10);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white-60);
}
.tag .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--white);
  box-shadow: 0 0 6px rgba(255,255,255,0.5);
  animation: pulse-dot 2s ease-in-out infinite;
}
.section-header { text-align: center; margin-bottom: 64px; }
.section-header .tag { margin-bottom: 20px; }
.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--white);
  margin-bottom: 16px;
}
.section-desc {
  font-size: 1.05rem;
  color: var(--white-60);
  max-width: 520px;
  margin-inline: auto;
  line-height: 1.7;
}
.accent { color: var(--accent); }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 100px;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--white);
  color: var(--black);
  box-shadow: 0 0 24px rgba(255,255,255,0.15);
}
.btn-primary:hover {
  transform: translateY(-2px);
  background: rgba(255,255,255,0.9);
  box-shadow: 0 0 40px rgba(255,255,255,0.25), 0 8px 24px rgba(0,0,0,0.4);
}
.btn-primary:active { transform: translateY(0); }
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1px solid var(--border-hover);
}
.btn-outline:hover {
  background: var(--white-10);
  border-color: var(--white-60);
  transform: translateY(-2px);
}
.btn-lg { padding: 18px 40px; font-size: 1.05rem; }

/* ── Glow decoration ── */
.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
  z-index: 0;
}

/* =============================================
   NAVBAR
   ============================================= */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding-block: 18px;
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(8,8,8,0.85);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--border);
  padding-block: 14px;
}
.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.navbar__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  flex-shrink: 0;
}
.navbar__logo img {
  height: 36px;
  width: auto;
}
.navbar__logo-text { color: var(--white); }
.navbar__nav {
  display: flex;
  align-items: center;
  gap: 36px;
}
.navbar__nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--white-60);
  transition: color var(--transition);
  position: relative;
}
.navbar__nav a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: width var(--transition);
}
.navbar__nav a:hover { color: var(--white); }
.navbar__nav a:hover::after { width: 100%; }

/* Language selector */
.lang-select {
  display: flex;
  align-items: center;
  gap: 6px;
}
.lang-btn {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--white-40);
  padding: 4px 8px;
  border-radius: 6px;
  transition: var(--transition);
  letter-spacing: 0.06em;
}
.lang-btn:hover, .lang-btn.active {
  color: var(--white);
  background: rgba(255,255,255,0.1);
}
.lang-sep { color: var(--border-hover); font-size: 0.7rem; }

.navbar__actions {
  display: flex;
  align-items: center;
  gap: 16px;
}
.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  cursor: pointer;
}
.navbar__hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
.navbar__hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar__hamburger.open span:nth-child(2) { opacity: 0; }
.navbar__hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.navbar__mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  top: 70px;
  background: rgba(8,8,8,0.97);
  backdrop-filter: blur(24px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 36px;
  z-index: 999;
}
.navbar__mobile-menu.open { display: flex; }
.navbar__mobile-menu a {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white-60);
  transition: color var(--transition);
}
.navbar__mobile-menu a:hover { color: var(--white); }
.navbar__mobile-menu .btn { font-size: 1rem; padding: 16px 40px; }

/* =============================================
   HERO
   ============================================= */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: 90px;
  overflow: hidden;
}
.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 40%, black, transparent);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 40%, black, transparent);
  z-index: 0;
}
.hero__glow-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 70%);
  top: -100px; left: 50%;
  transform: translateX(-50%);
}
.hero__glow-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,0.04) 0%, transparent 70%);
  bottom: 0; right: -100px;
}
.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 860px;
  margin-inline: auto;
}
.hero__tag { margin-bottom: 28px; }
.hero__title {
  font-size: clamp(2.4rem, 6vw, 5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.06;
  color: var(--white);
  margin-bottom: 24px;
}
.hero__title em {
  font-style: normal;
  color: var(--accent);
}
.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--white-60);
  max-width: 560px;
  margin-inline: auto;
  margin-bottom: 44px;
  line-height: 1.7;
}
.hero__ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.hero__scroll {
  position: absolute;
  bottom: 36px; left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--white-40);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: bounce 2.5s ease-in-out infinite;
}
.hero__scroll svg { opacity: 0.5; }

/* =============================================
   METRICS / STATS
   ============================================= */
.metrics {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--black-2);
}
.metrics__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.metric-item {
  padding: 40px 24px;
  text-align: center;
  border-right: 1px solid var(--border);
  transition: background var(--transition);
}
.metric-item:last-child { border-right: none; }
.metric-item:hover { background: var(--white-10); }
.metric-value {
  font-size: 2.6rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--white);
  margin-bottom: 6px;
}
.metric-value span { color: var(--accent); }
.metric-label {
  font-size: 0.85rem;
  color: var(--white-60);
  font-weight: 500;
}

/* =============================================
   VALUES / BENEFITS
   ============================================= */
.values__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.value-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 36px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.value-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.5), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.value-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
}
.value-card:hover::before { opacity: 1; }
.value-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
}
.value-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}
.value-desc {
  font-size: 0.9rem;
  color: var(--white-60);
  line-height: 1.7;
}

/* =============================================
   SERVICES
   ============================================= */
.services { background: var(--black-2); }
.services__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.service-card {
  background: var(--black-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 40px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card:hover {
  border-color: var(--border-hover);
  background: var(--card-bg);
}
.service-card__num {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  opacity: 0.7;
  margin-bottom: 16px;
}
.service-card__title {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--white);
  margin-bottom: 12px;
}
.service-card__desc {
  font-size: 0.9rem;
  color: var(--white-60);
  line-height: 1.7;
  margin-bottom: 24px;
}
.service-card__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.service-card__list li {
  font-size: 0.85rem;
  color: var(--white-60);
  display: flex;
  align-items: center;
  gap: 10px;
}
.service-card__list li::before {
  content: '';
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}
.service-icon {
  font-size: 2rem;
  margin-bottom: 24px;
  display: block;
  width: 58px; height: 58px;
  border-radius: 14px;
  background: var(--white-10);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* =============================================
   DIFFERENTIALS (BENTO GRID)
   ============================================= */
.diff__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 16px;
}
.diff-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 36px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.diff-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
}
.diff-card--wide {
  grid-column: span 2;
}
.diff-card--accent {
  background: var(--white);
}
.diff-card--accent .diff-card__title,
.diff-card--accent .diff-card__desc { color: var(--black); }
.diff-card__icon {
  font-size: 1.8rem;
  margin-bottom: 20px;
}
.diff-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}
.diff-card__desc {
  font-size: 0.88rem;
  color: var(--white-60);
  line-height: 1.7;
}
.diff-card--large {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 260px;
}
.diff-big-number {
  font-size: 4rem;
  font-weight: 800;
  letter-spacing: -0.05em;
  color: var(--white);
  line-height: 1;
  margin-top: auto;
  padding-top: 20px;
}

/* =============================================
   TESTIMONIALS
   ============================================= */
.testimonials { background: var(--black-2); }
.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.testimonial-card {
  background: var(--black-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.testimonial-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
}
.testimonial-stars {
  display: flex;
  gap: 4px;
  color: var(--white);
  font-size: 0.95rem;
}
.testimonial-text {
  font-size: 0.92rem;
  color: var(--white-60);
  line-height: 1.75;
  flex: 1;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.testimonial-avatar {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  flex-shrink: 0;
}
.testimonial-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--white);
}
.testimonial-role {
  font-size: 0.78rem;
  color: var(--white-40);
}

/* =============================================
   PROCESS
   ============================================= */
.process__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  position: relative;
}
.process__steps::before {
  content: '';
  position: absolute;
  top: 36px;
  left: calc(12.5% + 20px);
  right: calc(12.5% + 20px);
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), rgba(255,255,255,0.5), rgba(255,255,255,0.2), transparent);
  z-index: 0;
}
.process-step {
  text-align: center;
  position: relative;
  z-index: 1;
}
.process-step__num {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--black-2);
  border: 1px solid rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--white);
  margin: 0 auto 20px;
  transition: var(--transition);
  letter-spacing: -0.03em;
}
.process-step:hover .process-step__num {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.4);
  box-shadow: 0 0 24px rgba(255,255,255,0.12);
}
.process-step__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}
.process-step__desc {
  font-size: 0.85rem;
  color: var(--white-60);
  line-height: 1.65;
}

/* =============================================
   FINAL CTA
   ============================================= */
.final-cta {
  position: relative;
  overflow: hidden;
  text-align: center;
  background: var(--black-2);
}
.final-cta__glow {
  width: 700px; height: 500px;
  background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 70%);
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
}
.final-cta__content { position: relative; z-index: 1; }
.final-cta__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 28px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.18);
  color: var(--white);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 100px;
}
.final-cta__title {
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 20px;
}
.final-cta__desc {
  font-size: 1.05rem;
  color: var(--white-60);
  max-width: 500px;
  margin-inline: auto;
  margin-bottom: 44px;
  line-height: 1.7;
}
.final-cta__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.final-cta__note {
  margin-top: 20px;
  font-size: 0.82rem;
  color: var(--white-40);
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  border-top: 1px solid var(--border);
  padding-block: 60px 32px;
  background: var(--black);
}
.footer__top {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}
.footer__brand { max-width: 280px; }
.footer__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}
.footer__logo img { height: 32px; width: auto; }
.footer__tagline {
  font-size: 0.88rem;
  color: var(--white-60);
  line-height: 1.7;
  margin-bottom: 24px;
}
.footer__socials {
  display: flex;
  gap: 12px;
}
.footer__social {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: var(--white-10);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--white-60);
  transition: var(--transition);
}
.footer__social:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.3);
  color: var(--white);
}
.footer__col h4 {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 20px;
}
.footer__col ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer__col ul a {
  font-size: 0.88rem;
  color: var(--white-60);
  transition: color var(--transition);
}
.footer__col ul a:hover { color: var(--white); }
.footer__bottom {
  border-top: 1px solid var(--border);
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer__copy {
  font-size: 0.82rem;
  color: var(--white-40);
}

/* =============================================
   RESPONSIVE — Mobile-First
   Breakpoints:
     xs:  < 480px   (small phones)
     sm:  480px+    (large phones)
     md:  640px+    (large phones / small tablets)
     lg:  768px+    (tablets)
     xl:  1024px+   (small desktops / large tablets)
     2xl: 1280px+   (large desktops)
   ============================================= */

/* ─── BASE (mobile — all screens) ─── */

/* Container e espaçamento */
.container        { padding-inline: 18px; }
.section          { padding-block: 64px; }
.section--sm      { padding-block: 48px; }
.section-header   { margin-bottom: 44px; }
.section-title    { font-size: 1.75rem; }
.section-desc     { font-size: 0.95rem; }

/* Navbar */
.navbar__nav                  { display: none; }
.navbar__actions .btn-outline  { display: none; }
.navbar__actions .btn-primary  { display: none; }
.lang-select                  { display: none; }
.navbar__hamburger             { display: flex; }
.navbar__inner                 { gap: 12px; }
.navbar__logo img              { height: 36px; }

/* Hero */
.hero         { padding-top: 80px; padding-bottom: 60px; min-height: 100svh; }
.hero__title  { font-size: clamp(2rem, 8vw, 3rem); letter-spacing: -0.03em; line-height: 1.1; margin-bottom: 18px; }
.hero__subtitle { font-size: 1rem; margin-bottom: 32px; }
.hero__ctas   { flex-direction: column; width: 100%; gap: 12px; }
.hero__ctas .btn { width: 100%; justify-content: center; }
.hero__tag    { margin-bottom: 20px; }
.hero__scroll { display: none; }

/* Metrics */
.metrics__grid {
  grid-template-columns: repeat(2, 1fr);
}
.metric-item {
  padding: 28px 16px;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.metric-item:nth-child(2n)        { border-right: none; }
.metric-item:nth-child(3),
.metric-item:nth-child(4)         { border-bottom: none; }
.metric-value { font-size: 2rem; }

/* Values */
.values__grid      { grid-template-columns: 1fr; gap: 12px; }
.value-card        { padding: 28px 24px; }

/* Services */
.services__grid    { grid-template-columns: 1fr; gap: 12px; }
.service-card      { padding: 28px 24px; }

/* Differentials */
.diff__grid        { grid-template-columns: 1fr; gap: 12px; }
.diff-card         { padding: 28px 24px; }
.diff-card--wide   { grid-column: span 1; }

/* Testimonials */
.testimonials__grid { grid-template-columns: 1fr; gap: 12px; }
.testimonial-card   { padding: 24px; }

/* Process */
.process__steps          { grid-template-columns: 1fr; gap: 32px; }
.process__steps::before  { display: none; }
.process-step__num       { width: 56px; height: 56px; font-size: 1.1rem; margin-bottom: 14px; }

/* Final CTA */
.final-cta__title   { font-size: clamp(1.8rem, 7vw, 2.6rem); }
.final-cta__desc    { font-size: 0.95rem; margin-bottom: 32px; }
.final-cta__actions { flex-direction: column; gap: 12px; }
.final-cta__actions .btn { width: 100%; justify-content: center; }

/* Footer */
.footer              { padding-block: 48px 24px; }
.footer__top         { grid-template-columns: 1fr; gap: 36px; margin-bottom: 40px; }
.footer__brand       { max-width: 100%; }
.footer__bottom      { flex-direction: column; text-align: center; gap: 8px; }

/* Buttons */
.btn-lg { padding: 16px 28px; font-size: 1rem; }

/* ─── SM: 480px+ (large phones) ─── */
@media (min-width: 480px) {
  .container             { padding-inline: 24px; }
  .hero__ctas            { flex-direction: row; flex-wrap: wrap; }
  .hero__ctas .btn       { width: auto; }
  .final-cta__actions    { flex-direction: row; flex-wrap: wrap; justify-content: center; }
  .final-cta__actions .btn { width: auto; }
  .hero__scroll          { display: flex; }
}

/* ─── MD: 640px+ (large phones / small tablets) ─── */
@media (min-width: 640px) {
  .section            { padding-block: 80px; }
  .section--sm        { padding-block: 56px; }
  .section-header     { margin-bottom: 56px; }
  .section-title      { font-size: 2.1rem; }
  .values__grid       { grid-template-columns: repeat(2, 1fr); }
  .services__grid     { grid-template-columns: repeat(2, 1fr); }
  .metric-item        { padding: 36px 20px; }
  .metric-value       { font-size: 2.3rem; }
  .process__steps     { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .testimonials__grid { grid-template-columns: 1fr; }
  .footer__top        { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer__brand      { grid-column: span 2; }
}

/* ─── LG: 768px+ (tablets) ─── */
@media (min-width: 768px) {
  .container               { padding-inline: 32px; }
  .section                 { padding-block: 90px; }
  .section-title           { font-size: 2.5rem; }
  .navbar__nav             { display: flex; gap: 28px; }
  .navbar__hamburger       { display: none; }
  .navbar__actions .btn-outline  { display: inline-flex; }
  .navbar__actions .btn-primary  { display: inline-flex; }
  .lang-select             { display: flex; }
  .navbar__inner           { gap: 24px; }
  .hero__title             { font-size: clamp(2.4rem, 5vw, 3.6rem); }
  .hero__subtitle          { font-size: 1.1rem; }
  .diff__grid              { grid-template-columns: repeat(2, 1fr); }
  .diff-card--wide         { grid-column: span 2; }
  .diff-card               { padding: 32px; }
  .testimonials__grid      { grid-template-columns: repeat(2, 1fr); }
  .process__steps          { grid-template-columns: repeat(4, 1fr); }
  .process__steps::before  { display: block; }
  .process-step__num       { width: 64px; height: 64px; font-size: 1.2rem; }
  .footer__top             { grid-template-columns: 1.5fr 1fr 1fr; gap: 40px; }
  .footer__brand           { grid-column: span 1; }
  .footer__bottom          { flex-direction: row; text-align: left; }
  .value-card              { padding: 32px; }
  .service-card            { padding: 36px; }
}

/* ─── XL: 1024px+ (small desktops) ─── */
@media (min-width: 1024px) {
  .container               { padding-inline: 40px; }
  .section                 { padding-block: 100px; }
  .section-title           { font-size: clamp(2rem, 4vw, 3rem); }
  .navbar__nav             { gap: 36px; }
  .hero__title             { font-size: clamp(2.4rem, 6vw, 5rem); letter-spacing: -0.04em; }
  .diff__grid              { grid-template-columns: repeat(3, 1fr); }
  .diff-card--wide         { grid-column: span 2; }
  .diff-card               { padding: 36px; }
  .testimonials__grid      { grid-template-columns: repeat(3, 1fr); }
  .process-step__num       { width: 72px; height: 72px; font-size: 1.3rem; }
  .footer__top             { grid-template-columns: 1.8fr 1fr 1fr 1fr; gap: 48px; }
  .footer__brand           { max-width: 280px; }
  .value-card              { padding: 36px; }
  .service-card            { padding: 40px; }
  .metric-item             { padding: 40px 24px; }
  .metric-value            { font-size: 2.6rem; }
  .btn-lg                  { padding: 18px 40px; font-size: 1.05rem; }
}

/* ─── 2XL: 1280px+ (large desktops) ─── */
@media (min-width: 1280px) {
  .container { padding-inline: 24px; max-width: var(--max-w); }
}

/* =============================================
   MOBILE MENU — Button Fix
   btn-primary is white bg + black text,
   but color was bleeding through in dark menu.
   ============================================= */
.navbar__mobile-menu .btn-primary {
  color: var(--black) !important;
  background: var(--white);
}
.navbar__mobile-menu .btn-primary:hover {
  background: rgba(255,255,255,0.9);
}

/* =============================================
   FAQ SECTION
   ============================================= */
.faq-section { background: var(--black); }
.faq__list {
  max-width: 760px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-item:last-child { border-bottom: none; }
.faq-item__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 28px;
  background: var(--card-bg);
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  transition: background var(--transition);
  cursor: pointer;
}
.faq-item__question:hover {
  background: rgba(255,255,255,0.05);
}
.faq-item__question[aria-expanded="true"] {
  background: rgba(255,255,255,0.06);
}
.faq-chevron {
  flex-shrink: 0;
  color: var(--white-40);
  transition: transform var(--transition);
}
.faq-item__question[aria-expanded="true"] .faq-chevron {
  transform: rotate(180deg);
}
.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4,0,0.2,1);
  background: var(--card-bg);
}
.faq-item__answer.open {
  max-height: 300px;
}
.faq-item__answer p {
  padding: 0 28px 24px;
  font-size: 0.92rem;
  color: var(--white-60);
  line-height: 1.75;
}
.faq__cta {
  margin-top: 48px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.faq__cta p {
  font-size: 1rem;
  color: var(--white-60);
}

@media (max-width: 640px) {
  .faq-item__question { padding: 20px 20px; font-size: 0.93rem; }
  .faq-item__answer p { padding: 0 20px 20px; }
}

/* =============================================
   FLOATING WHATSAPP BUTTON
   ============================================= */
#whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 9999;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.45), 0 2px 8px rgba(0,0,0,0.3);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  animation: wa-pulse 2.5s ease-in-out infinite;
}
#whatsapp-float:hover {
  transform: scale(1.12);
  box-shadow: 0 6px 28px rgba(37,211,102,0.65), 0 4px 12px rgba(0,0,0,0.4);
  animation: none;
}

@keyframes wa-pulse {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 4px 20px rgba(37,211,102,0.45), 0 0 0 0 rgba(37,211,102,0.5);
  }
  50% {
    transform: scale(1.06);
    box-shadow: 0 4px 20px rgba(37,211,102,0.55), 0 0 0 14px rgba(37,211,102,0);
  }
}

@media (max-width: 480px) {
  #whatsapp-float { bottom: 20px; right: 20px; width: 54px; height: 54px; }
}