/* ═══════════════════════════════════════════════
   DESIGN TOKENS
═══════════════════════════════════════════════ */
:root {
  --primary:      #2563eb;
  --primary-dark: #1d4ed8;
  --primary-fg:   #FAFBFF;
  --primary-10:   rgba(37,99,235,0.10);
  --primary-20:   rgba(37,99,235,0.20);
  --primary-5:    rgba(37,99,235,0.05);

  --bg:           #FAFBFF;
  --fg:           #1E2648;
  --card:         #FFFFFF;
  --muted:        #F1F3F9;
  --muted-dark:   #E8EAF3;
  --muted-fg:     #6B7280;
  --border:       #E2E5F0;
  --accent:       #EEF2FF;
  --accent-fg:    #2D3A7C;

  --wa-green:     #25D366;
  --wa-dark:      #1eb858;
  --danger:       #dc2626;

  --radius-sm:    0.5rem;
  --radius:       0.875rem;
  --radius-lg:    1rem;
  --radius-xl:    1.25rem;
  --radius-2xl:   1.5rem;
  --radius-full:  9999px;

  --shadow-sm:    0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md:    0 4px 12px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.05);

  --font:         'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-w:        72rem;   /* 1152px */
  --max-w-narrow: 48rem;   /* 768px  */
  --max-w-wide:   84rem;   /* 1344px */
}

/* ═══════════════════════════════════════════════
   DARK THEME
═══════════════════════════════════════════════ */
body.dark-theme {
  --bg:           #121212;
  --card:         #1e1e1e;
  --fg:           #e5e5e5;
  --border:       #333333;
  --muted:        #1a1a1a;
  --muted-dark:   #252525;
  --muted-fg:     #9ca3af;
  --accent:       rgba(67,97,238,0.12);
  --accent-fg:    #a5b4fc;
  color:          var(--fg);
  background-color: var(--bg);
}

body.dark-theme .navbar {
  background: rgba(18,18,18,0.85);
  border-bottom-color: rgba(51,51,51,0.6);
}

body.dark-theme .section-light,
body.dark-theme .section-muted,
body.dark-theme .mobile-menu {
  border-top-color: rgba(51,51,51,0.6);
}

body.dark-theme .lang-switcher {
  background: rgba(30,30,30,0.9);
}

body.dark-theme .hero-bg {
  background: radial-gradient(circle at 0% 100%, rgba(37,99,235,0.18) 0%, rgba(37,99,235,0.06) 40%, transparent 70%);
}

/* Temporarily enable broad transitions during theme switch */
.theme-transitioning,
.theme-transitioning * {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease !important;
}

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

html {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  color: var(--fg);
  background: var(--bg);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body { overflow-x: hidden; }

img, svg { display: block; }

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

ul, ol { list-style: none; }

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

input, select, textarea {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0 0.875rem;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  width: 100%;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-10);
}

textarea { padding: 0.625rem 0.875rem; resize: vertical; }

/* ═══════════════════════════════════════════════
   UTILITIES
═══════════════════════════════════════════════ */
.text-primary { color: var(--primary); }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-wide {
  max-width: var(--max-w-wide);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-narrow {
  max-width: var(--max-w-narrow);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ═══════════════════════════════════════════════
   BUTTONS
═══════════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius);
  padding: 0.5rem 1.25rem;
  height: 2.5rem;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: background-color 0.15s, color 0.15s, border-color 0.15s, box-shadow 0.15s, transform 0.1s;
  white-space: nowrap;
  text-align: center;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--primary);
  color: var(--primary-fg);
  border-color: var(--primary);
}
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }

.btn-outline {
  background: transparent;
  color: var(--fg);
  border-color: var(--border);
}
.btn-outline:hover { border-color: var(--fg); }

.btn-whatsapp {
  background: var(--wa-green);
  color: #fff;
  border-color: var(--wa-green);
}
.btn-whatsapp:hover { background: var(--wa-dark); border-color: var(--wa-dark); }

.btn-lg {
  height: 2.875rem;
  padding: 0 1.5rem;
  font-size: 0.9375rem;
}

/* ═══════════════════════════════════════════════
   NAVBAR
═══════════════════════════════════════════════ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250,251,255,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226,229,240,0.6);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
  gap: 1rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.nav-logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.nav-logo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.nav-logo-text { color: var(--fg); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.125rem;
}

.nav-link {
  position: relative;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--muted-fg);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: color 0.15s;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0.75rem;
  right: 0.75rem;
  bottom: 0.15rem;
  height: 2px;
  background: var(--primary);
  border-radius: var(--radius-full);
  transform: scaleX(0);
  transition: transform 0.25s ease;
}
.nav-link:hover,
.nav-link.active { color: var(--fg); }
.nav-link:hover::after,
.nav-link.active::after { transform: scaleX(1); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Language Switcher */
.lang-switcher {
  display: inline-flex;
  align-items: center;
  gap: 0;
  background: rgba(241,243,249,0.8);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 2px;
}

.lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted-fg);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.lang-flag {
  border-radius: 2px;
  flex-shrink: 0;
}

.lang-btn.active {
  background: var(--primary);
  color: var(--primary-fg);
  border-color: var(--primary-dark);
}

.lang-btn:hover:not(.active) { color: var(--fg); }

/* Mobile nav */
.nav-mobile-controls {
  display: none;
  align-items: center;
  gap: 0.5rem;
}

.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--fg);
  cursor: pointer;
  transition: background 0.15s;
}
.menu-toggle:hover { background: var(--muted); }

.mobile-menu {
  border-top: 1px solid rgba(226,229,240,0.6);
  background: var(--bg);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.mobile-menu.open { max-height: 500px; }

.mobile-menu-inner {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

.mobile-nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--muted-fg);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: background 0.15s, color 0.15s;
}
.mobile-nav-link:hover,
.mobile-nav-link.active { background: var(--muted); color: var(--fg); }

.mobile-cta { margin-top: 0.5rem; width: 100%; }

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--fg);
  cursor: pointer;
  font-size: 0.9375rem;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  flex-shrink: 0;
}

.theme-toggle:hover { background: var(--muted); }

.theme-icon {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ═══════════════════════════════════════════════
   SECTIONS
═══════════════════════════════════════════════ */
.section {
  padding: 5rem 0;
}

.section-light {
  background: var(--bg);
  border-top: 1px solid rgba(226,229,240,0.6);
}

.section-muted {
  background: var(--muted);
  border-top: 1px solid rgba(226,229,240,0.6);
}

.section-header {
  max-width: 42rem;
  margin: 0 auto 3rem;
  text-align: center;
}

.section-label {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: clamp(1.625rem, 4vw, 2.25rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.2;
  color: var(--fg);
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--muted-fg);
  line-height: 1.6;
}

/* ═══════════════════════════════════════════════
   HERO
═══════════════════════════════════════════════ */
.hero {
  position: relative;
  overflow: hidden;
  padding: 5rem 0;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(
    to bottom,
    rgba(238,242,255,0.55) 0%,
    rgba(250,251,255,0.2) 55%,
    transparent 100%
  );
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 48rem;
  margin: 0 auto;
  text-align: center;
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--primary-5);
  border: 1px solid var(--primary-20);
  color: var(--primary);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.5rem;
  animation: fade-slide-up 0.6s ease 0.55s both;
}

.hero-title {
  font-size: clamp(2rem, 6vw, 3.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--fg);
  margin-bottom: 1.25rem;
  animation: fade-slide-up 0.6s ease 0.15s both;
}

.hero-title-accent {
  color: var(--primary);
}

.hero-subtitle {
  font-size: clamp(0.9375rem, 2vw, 1.125rem);
  color: var(--muted-fg);
  line-height: 1.65;
  max-width: 38rem;
  margin: 0 auto 2rem;
  animation: fade-slide-up 0.6s ease 0.35s both;
}

@keyframes fade-slide-up {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
  animation: fade-slide-up 0.6s ease 0.35s both;
}

.hero-checks {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1.25rem;
  font-size: 1rem;
  color: var(--muted-fg);
  margin-top: 2.5rem;
  animation: fade-slide-up 0.6s ease 0.35s both;
}

.hero-checks li {
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.hero-checks .check-icon {
  width: 20px;
  height: 20px;
}

.check-icon { color: var(--primary); flex-shrink: 0; }

/* ═══════════════════════════════════════════════
   SERVICES
═══════════════════════════════════════════════ */
.services-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

.service-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-top: 3px solid transparent;
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s, border-top-color 0.2s, transform 0.2s;
}

.service-card:hover {
  box-shadow: var(--shadow-md);
  border-top-color: var(--primary);
  transform: translateY(-4px);
}

.service-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  background: var(--primary-10);
  color: var(--primary);
  border-radius: var(--radius);
  margin-bottom: 1rem;
  transition: transform 0.2s;
}

.service-card:hover .service-icon {
  transform: translateX(4px);
}

.service-card h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.service-card p {
  font-size: 0.875rem;
  color: var(--muted-fg);
  line-height: 1.6;
}

/* ═══════════════════════════════════════════════
   PRICING
═══════════════════════════════════════════════ */
.pricing-grid {
  display: grid;
  gap: 1.5rem;
}

.pricing-card {
  background: var(--card);
  border: 2px solid var(--border);
  border-radius: var(--radius-2xl);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: box-shadow 0.2s, border-color 0.2s, transform 0.2s;
}

.pricing-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
  transform: translateY(-4px);
}

.pricing-card-featured {
  border: 2px solid var(--primary);
  box-shadow: var(--shadow-md);
}

.pricing-badge {
  position: absolute;
  top: -0.75rem;
  left: 2rem;
  background: var(--primary);
  color: var(--primary-fg);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
}

.pricing-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  background: var(--primary-10);
  color: var(--primary);
  border-radius: var(--radius);
  margin-bottom: 1rem;
  transition: transform 0.2s;
}

.pricing-card:hover .pricing-icon {
  transform: translateX(4px);
}

.pricing-name {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.pricing-desc {
  font-size: 0.875rem;
  color: var(--muted-fg);
  line-height: 1.55;
  margin-top: 0.5rem;
}

.pricing-price {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--primary);
  margin-top: 1.5rem;
}

.pricing-price-quote {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: normal;
}

.pricing-includes {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--fg);
  margin-top: 1.5rem;
}

.pricing-features {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.pricing-includes + .pricing-features {
  margin-top: 0.75rem;
}

.pricing-feature {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  font-size: 0.875rem;
}

.pricing-feature .feat-icon {
  flex-shrink: 0;
  color: var(--primary);
  margin-top: 0.125rem;
}

.pricing-delivery {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--muted-fg);
  margin-top: 1.5rem;
}

.pricing-btn { margin-top: 2rem; width: 100%; }

/* ═══════════════════════════════════════════════
   PORTFOLIO
═══════════════════════════════════════════════ */
.portfolio-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
}

.filter-btn {
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.375rem 1rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--muted-fg);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.filter-btn:hover { color: var(--fg); }

.filter-btn.active {
  background: var(--primary);
  color: var(--primary-fg);
  border-color: var(--primary);
}

.portfolio-grid {
  display: grid;
  gap: 1.5rem;
}

.portfolio-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.portfolio-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.portfolio-img-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--muted);
}

.portfolio-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.portfolio-card:hover .portfolio-img-wrap img { transform: scale(1.05); }

.portfolio-body {
  padding: 1.25rem;
}

.portfolio-title {
  font-size: 0.9375rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.portfolio-desc {
  font-size: 0.875rem;
  color: var(--muted-fg);
  line-height: 1.55;
}

.portfolio-demo-link {
  position: absolute;
  left: 50%;
  bottom: 1.25rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
  background: var(--primary);
  color: var(--primary-fg);
  font-size: 0.9375rem;
  font-weight: 600;
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 8px);
  transition: opacity 0.25s ease, transform 0.25s ease, background 0.2s ease;
}

.portfolio-card:hover .portfolio-demo-link {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, 0);
}

.portfolio-demo-link:hover {
  background: var(--primary-dark);
}

@media (hover: none) {
  .portfolio-demo-link {
    opacity: 1;
    pointer-events: auto;
    transform: translate(-50%, 0);
  }
}

/* ═══════════════════════════════════════════════
   PROCESS
═══════════════════════════════════════════════ */
.process-grid {
  display: grid;
  gap: 1.5rem;
}

.process-step {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.process-number {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary-10);
  line-height: 1;
  pointer-events: none;
}

.process-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  background: var(--primary-10);
  color: var(--primary);
  border-radius: var(--radius);
  margin-bottom: 1rem;
}

.process-step h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.process-step p {
  font-size: 0.875rem;
  color: var(--muted-fg);
  line-height: 1.6;
}

/* ═══════════════════════════════════════════════
   BENEFITS
═══════════════════════════════════════════════ */
.benefits-grid {
  display: grid;
  gap: 1rem;
}

.benefit-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-top: 3px solid transparent;
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  gap: 1rem;
  transition: box-shadow 0.2s, border-top-color 0.2s, transform 0.2s;
}

.benefit-card:hover {
  box-shadow: var(--shadow-md);
  border-top-color: var(--primary);
  transform: translateY(-4px);
}

.benefit-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  background: var(--primary-10);
  color: var(--primary);
  border-radius: var(--radius);
  flex-shrink: 0;
  transition: transform 0.2s;
}

.benefit-card:hover .benefit-icon {
  transform: translateX(4px);
}

.benefit-card h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 0.375rem;
}

.benefit-card p {
  font-size: 0.875rem;
  color: var(--muted-fg);
  line-height: 1.6;
}

/* ═══════════════════════════════════════════════
   FAQ
═══════════════════════════════════════════════ */
.faq-list {
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.faq-item {
  border-top: 1px solid var(--border);
}

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

.faq-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  text-align: left;
  padding: 1.25rem 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--fg);
  background: transparent;
  border: none;
  cursor: pointer;
  gap: 1rem;
  transition: color 0.15s;
}

.faq-trigger:hover { color: var(--primary); }

.faq-chevron {
  flex-shrink: 0;
  color: var(--muted-fg);
  transition: transform 0.25s ease;
}

.faq-item.open .faq-chevron { transform: rotate(180deg); }

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-body-inner {
  padding-bottom: 1.25rem;
  font-size: 0.9375rem;
  color: var(--muted-fg);
  line-height: 1.7;
}

.faq-item.open .faq-body { max-height: 400px; }

/* ═══════════════════════════════════════════════
   CONTACT
═══════════════════════════════════════════════ */
.contact-grid {
  display: grid;
  gap: 2.5rem;
}

.contact-info .section-label { margin-bottom: 0.5rem; }

.contact-title {
  margin-bottom: 1rem;
  text-align: left;
}

.contact-subtitle {
  font-size: 1rem;
  color: var(--muted-fg);
  line-height: 1.65;
  margin-bottom: 2rem;
}

.contact-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.contact-checks {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.contact-check {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--muted-fg);
}

.contact-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.contact-form {
  display: grid;
  gap: 1rem;
}

.form-group {
  display: grid;
  gap: 0.375rem;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--fg);
}

.form-group input {
  height: 2.75rem;
}

.char-counter {
  font-size: 0.8125rem;
  color: var(--muted-fg);
  justify-self: end;
}

.form-error {
  font-size: 0.8125rem;
  color: var(--danger);
}

.form-submit { margin-top: 0.5rem; width: 100%; }

.contact-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 3rem 1rem;
  text-align: center;
}

.contact-success-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.5rem;
  height: 3.5rem;
  background: var(--primary-10);
  color: var(--primary);
  border-radius: 50%;
}

.contact-success-msg {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--fg);
  max-width: 28rem;
}

/* ═══════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════ */
.footer {
  background: var(--card);
  border-top: 1px solid var(--border);
  padding: 3rem 0 0;
}

.footer-grid {
  display: grid;
  gap: 2rem;
  padding-bottom: 2.5rem;
}

.footer-brand .nav-logo { margin-bottom: 0.75rem; }

.footer-tagline {
  font-size: 0.875rem;
  color: var(--muted-fg);
  line-height: 1.6;
  max-width: 22rem;
}

.footer-col-title {
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--muted-fg);
  transition: color 0.15s;
}

.footer-links a:hover { color: var(--fg); }

.footer-links li {
  font-size: 0.875rem;
  color: var(--muted-fg);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  text-align: center;
}

.footer-copy,
.footer-made {
  font-size: 0.8125rem;
  color: var(--muted-fg);
}

/* ═══════════════════════════════════════════════
   DATA-LANG VISIBILITY HELPER
═══════════════════════════════════════════════ */
[data-lang]:not(.lang-btn) { display: none; }
[data-lang].active:not(.lang-btn) { display: inline; }
.section-label [data-lang].active { display: inline; }
.contact-check [data-lang].active { display: inline; }
.footer-made [data-lang].active { display: inline; }
.footer-bottom [data-lang].active { display: inline; }

/* ═══════════════════════════════════════════════
   RESPONSIVE — sm (≥640px)
═══════════════════════════════════════════════ */
@media (min-width: 640px) {
  .hero { padding: 6rem 0; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-card { padding: 2rem; }
}

/* ═══════════════════════════════════════════════
   RESPONSIVE — md (≥768px)
═══════════════════════════════════════════════ */
@media (min-width: 768px) {
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: repeat(2, 1fr); align-items: start; }

  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
  .footer-brand { grid-column: span 1; }

  .footer-bottom { flex-direction: row; justify-content: space-between; text-align: left; }
}

/* ═══════════════════════════════════════════════
   SCROLL REVEAL
═══════════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@media (prefers-reduced-motion: reduce) {
  .service-card:hover,
  .pricing-card:hover,
  .benefit-card:hover,
  .portfolio-card:hover,
  .portfolio-card:hover .portfolio-img-wrap img,
  .portfolio-card:hover .portfolio-demo-link,
  .service-card:hover .service-icon,
  .pricing-card:hover .pricing-icon,
  .benefit-card:hover .benefit-icon {
    transform: none;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .badge,
  .hero-title,
  .hero-subtitle,
  .hero-ctas,
  .hero-checks {
    animation: none;
  }

  .nav-link::after {
    transition: none;
  }
}

/* ═══════════════════════════════════════════════
   RESPONSIVE — lg (≥1024px)
═══════════════════════════════════════════════ */
@media (min-width: 1024px) {
  .nav-links { display: flex; }
  .nav-actions { display: flex; }
  .nav-mobile-controls { display: none; }

  .services-grid { grid-template-columns: repeat(3, 1fr); }
  .portfolio-grid { grid-template-columns: repeat(3, 1fr); }
  .process-grid { grid-template-columns: repeat(4, 1fr); }
  .pricing-grid { grid-template-columns: repeat(3, 1fr); }

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

/* ═══════════════════════════════════════════════
   RESPONSIVE — below lg: show hamburger
═══════════════════════════════════════════════ */
@media (max-width: 1023px) {
  .nav-links { display: none; }
  .nav-actions { display: none; }
  .nav-mobile-controls { display: flex; }
}