/* ==========================================================================
   MYMERCHAN SOLUÇÕES GRÁFICAS - LANDING PAGE STYLES
   CMYK Colors | Fonts: Outfit & DM Sans | Ultra-modern & Responsive
   ========================================================================== */

/* --- GOOGLE FONTS --- */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,100..1000;1,9..40,100..1000&family=Outfit:wght@300;400;500;600;700;800;900&display=swap');

/* --- DESIGN TOKENS (CMYK & BASE) --- */
:root {
  /* CMYK Palette */
  --cmyk-cyan: #00AEEF;
  --cmyk-magenta: #EC008C;
  --cmyk-yellow: #FFF200;
  --cmyk-black: #11141D;

  /* Accent & Gradients */
  --cmyk-cyan-glow: rgba(0, 174, 239, 0.35);
  --cmyk-magenta-glow: rgba(236, 0, 140, 0.35);
  --cmyk-yellow-glow: rgba(255, 242, 0, 0.25);
  
  /* WhatsApp */
  --whatsapp-green: #25D366;
  --whatsapp-hover: #1EBE5D;
  --whatsapp-dark: #075E54;
  --whatsapp-glow: rgba(37, 211, 102, 0.4);

  /* Neutrals */
  --bg-dark: #0B0F19;
  --bg-dark-card: rgba(18, 24, 38, 0.78);
  --bg-dark-border: rgba(255, 255, 255, 0.1);
  --bg-light: #F8FAFC;
  --bg-white: #FFFFFF;
  --bg-subtle: #F1F5F9;

  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #64748B;
  --text-light: #F8FAFC;
  --text-light-muted: #94A3B8;

  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'DM Sans', sans-serif;

  /* Shadows & Radius */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
  --shadow-card: 0 10px 30px -5px rgba(15, 23, 42, 0.07);
  --shadow-hero: 0 25px 50px -12px rgba(0, 0, 0, 0.5);

  --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-white);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

button, input, select {
  font-family: inherit;
  font-size: inherit;
}

/* Container */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* CMYK decorative color stripe */
.cmyk-bar {
  display: flex;
  height: 4px;
  width: 100%;
}
.cmyk-bar span {
  flex: 1;
  height: 100%;
}
.cmyk-bar .c { background-color: var(--cmyk-cyan); }
.cmyk-bar .m { background-color: var(--cmyk-magenta); }
.cmyk-bar .y { background-color: var(--cmyk-yellow); }
.cmyk-bar .k { background-color: #222; }

/* Section Header Utility */
.section-header {
  text-align: center;
  max-width: 740px;
  margin: 0 auto 3.5rem;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.section-tag.cyan {
  background-color: rgba(0, 174, 239, 0.12);
  color: #008cc0;
}

.section-tag.magenta {
  background-color: rgba(236, 0, 140, 0.12);
  color: #c70076;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.2vw, 2.75rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ==========================================================================
   1. HERO SECTION (NO HEADER, DIRECT START, CMYK GLOW BACKGROUND)
   ========================================================================== */
.hero-section {
  position: relative;
  background-color: var(--bg-dark);
  background-image: 
    radial-gradient(circle at 12% 20%, rgba(0, 174, 239, 0.22) 0%, transparent 45%),
    radial-gradient(circle at 88% 25%, rgba(236, 0, 140, 0.22) 0%, transparent 45%),
    radial-gradient(circle at 50% 85%, rgba(255, 242, 0, 0.12) 0%, transparent 50%),
    linear-gradient(180deg, #0B0F19 0%, #101726 100%);
  color: var(--text-light);
  padding: 3.5rem 0 5rem;
  overflow: hidden;
}

/* Subtle background graphic grid */
.hero-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  opacity: 0.9;
}

/* 3-Column Hero Grid */
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.15fr 0.9fr 1.15fr;
  align-items: center;
  gap: 2.2rem;
}

/* Column 1: Brand Info */
.hero-col-brand {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.hero-logo-wrap {
  margin-bottom: 0.35rem;
}

.hero-logo {
  max-width: 280px;
  height: auto;
  filter: drop-shadow(0 4px 14px rgba(0, 0, 0, 0.45));
}

.hero-badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #E2E8F0;
  backdrop-filter: blur(10px);
}

.hero-pill .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
}
.hero-pill .dot.cyan { background-color: var(--cmyk-cyan); box-shadow: 0 0 8px var(--cmyk-cyan); }
.hero-pill .dot.magenta { background-color: var(--cmyk-magenta); box-shadow: 0 0 8px var(--cmyk-magenta); }
.hero-pill .dot.yellow { background-color: var(--cmyk-yellow); box-shadow: 0 0 8px var(--cmyk-yellow); }

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.1rem, 2.8vw, 2.85rem);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: #FFFFFF;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, var(--cmyk-cyan) 0%, #FFFFFF 45%, var(--cmyk-magenta) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--text-light-muted);
}

/* Column 2: Banner Image */

/* Column 2: Banner Image */
.hero-col-banner {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.banner-wrapper {
  position: relative;
  width: 100%;
  max-width: 350px;
}

.banner-wrapper::before {
  content: "";
  position: absolute;
  inset: -15px;
  background: radial-gradient(circle, rgba(0, 174, 239, 0.3) 0%, rgba(236, 0, 140, 0.25) 55%, transparent 75%);
  filter: blur(28px);
  z-index: 0;
  border-radius: 30px;
}

.banner-img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  filter: drop-shadow(0 15px 35px rgba(0,0,0,0.65));
  animation: floatBanner 5.5s ease-in-out infinite alternate;
}

@keyframes floatBanner {
  0% { transform: translateY(0); }
  100% { transform: translateY(-10px); }
}

/* Column 3: Quote Form (Glassmorphism) */
.hero-col-form {
  position: relative;
  z-index: 2;
}

.form-card {
  background: var(--bg-dark-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--bg-dark-border);
  border-radius: var(--radius-xl);
  padding: 2rem 1.8rem;
  box-shadow: var(--shadow-hero);
  position: relative;
  overflow: hidden;
}

.form-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--cmyk-cyan), var(--cmyk-magenta), var(--cmyk-yellow));
  border-top-left-radius: var(--radius-xl);
  border-top-right-radius: var(--radius-xl);
}

.form-header {
  margin-bottom: 1.25rem;
}

.form-header h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.form-header p {
  font-size: 0.88rem;
  color: var(--text-light-muted);
  margin-top: 0.25rem;
}

.quote-form {
  display: flex;
  flex-direction: column;
  gap: 0.95rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  position: relative;
}

.form-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: #CBD5E1;
  display: flex;
  justify-content: space-between;
}

.form-control {
  width: 100%;
  padding: 0.72rem 1rem;
  background: rgba(15, 23, 42, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-sm);
  color: #FFFFFF;
  font-size: 0.92rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--cmyk-cyan);
  box-shadow: 0 0 0 3px rgba(0, 174, 239, 0.25);
  background: rgba(15, 23, 42, 0.85);
}

.form-control::placeholder {
  color: #64748B;
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394A3B8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 16px;
  cursor: pointer;
}

select.form-control option {
  background-color: #121826;
  color: #FFFFFF;
  padding: 0.5rem;
}

/* Custom Multi-Select Dropdown */
.custom-multiselect {
  position: relative;
  width: 100%;
}

.multiselect-trigger {
  width: 100%;
  padding: 0.72rem 1rem;
  background: rgba(15, 23, 42, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-sm);
  color: #FFFFFF;
  font-size: 0.92rem;
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  transition: var(--transition);
}

.multiselect-trigger:hover {
  border-color: rgba(255, 255, 255, 0.3);
}

.multiselect-trigger.active {
  border-color: var(--cmyk-cyan);
  box-shadow: 0 0 0 3px rgba(0, 174, 239, 0.25);
}

.multiselect-placeholder {
  color: #64748B;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.multiselect-placeholder.has-value {
  color: #F8FAFC;
  font-weight: 500;
}

.multiselect-arrow {
  transition: transform 0.25s ease;
  flex-shrink: 0;
  color: #94A3B8;
}

.multiselect-trigger.active .multiselect-arrow {
  transform: rotate(180deg);
}

.multiselect-menu {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  background: #111726;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-md);
  box-shadow: 0 14px 35px rgba(0, 0, 0, 0.6);
  z-index: 100;
  max-height: 240px;
  overflow-y: auto;
  padding: 0.5rem;
}

.multiselect-menu.show {
  display: block;
}

.multiselect-group-title {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cmyk-cyan);
  padding: 0.45rem 0.6rem 0.2rem;
  margin-top: 0.3rem;
}
.multiselect-group-title:first-child {
  margin-top: 0;
}

.multiselect-option {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.45rem 0.6rem;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s ease;
  font-size: 0.86rem;
  color: #E2E8F0;
  user-select: none;
}

.multiselect-option:hover {
  background: rgba(255, 255, 255, 0.08);
}

.multiselect-checkbox {
  width: 16px;
  height: 16px;
  border-radius: 4px;
  border: 1.5px solid rgba(255, 255, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition);
  background: rgba(0, 0, 0, 0.2);
}

.multiselect-option.selected .multiselect-checkbox {
  background-color: var(--cmyk-cyan);
  border-color: var(--cmyk-cyan);
}

.multiselect-option.selected {
  background: rgba(0, 174, 239, 0.14);
  color: #FFFFFF;
}

.multiselect-check-icon {
  display: none;
  width: 11px;
  height: 11px;
  stroke: #0B0F19;
  stroke-width: 3.5;
}

.multiselect-option.selected .multiselect-check-icon {
  display: block;
}

/* Submit Button */
.btn-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  width: 100%;
  padding: 0.88rem 1.4rem;
  background: linear-gradient(135deg, var(--cmyk-cyan) 0%, var(--cmyk-magenta) 100%);
  color: #FFFFFF;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-size: 1.02rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 6px 20px rgba(0, 174, 239, 0.35);
  margin-top: 0.4rem;
}

.btn-submit:hover {
  background: linear-gradient(135deg, #0090cc 0%, #c40073 100%);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0, 174, 239, 0.5);
}

.btn-submit:active {
  transform: translateY(0);
}

.form-security-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  color: #94A3B8;
  margin-top: 0.25rem;
  text-align: center;
}

/* ==========================================================================
   2. PRODUCTS SECTION (CATEGORIES & PRODUCT CARDS)
   ========================================================================== */
.products-section {
  padding: 6rem 0;
  background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
  position: relative;
}

.category-block {
  margin-bottom: 5rem;
}

.category-block:last-child {
  margin-bottom: 0;
}

.category-header {
  margin-bottom: 2rem;
  position: relative;
  padding-left: 1.25rem;
  border-left: 4px solid var(--cmyk-cyan);
}

.category-block:nth-child(2) .category-header {
  border-left-color: var(--cmyk-magenta);
}

.category-block:nth-child(3) .category-header {
  border-left-color: #EAB308;
}

.category-name {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 2.3vw, 2.1rem);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
  letter-spacing: -0.01em;
}

.category-desc {
  font-size: 1.02rem;
  color: var(--text-secondary);
  max-width: 680px;
}

/* Products Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.75rem;
}

/* Product Card */
.product-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid #E2E8F0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  position: relative;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
  border-color: #CBD5E1;
}

/* Image container respecting original image size without cropping */
.product-image-wrap {
  position: relative;
  width: 100%;
  background: #F8FAFC;
  overflow: hidden;
  display: block;
}

.product-image-wrap img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
  transition: transform 0.4s ease;
}

.product-card:hover .product-image-wrap img {
  transform: scale(1.03);
}

.product-info {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.product-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 1.4rem;
  flex: 1;
}

.product-action {
  margin-top: auto;
}

/* WhatsApp CTA button on product cards */
.btn-product-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  width: 100%;
  padding: 0.8rem 1.2rem;
  background-color: var(--whatsapp-green);
  color: #FFFFFF;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.25);
}

.btn-product-cta:hover {
  background-color: var(--whatsapp-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(37, 211, 102, 0.35);
}

/* Card 6: Custom Contact/Quote Card (No Image) */
.product-card-custom {
  background: linear-gradient(145deg, #111827 0%, #1F2937 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #FFFFFF;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 2.2rem 1.8rem;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.product-card-custom:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
}

.product-card-custom::before {
  content: "";
  position: absolute;
  top: -40px;
  right: -40px;
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, rgba(236, 0, 140, 0.35), transparent 70%);
  filter: blur(20px);
}

.product-card-custom::after {
  content: "";
  position: absolute;
  bottom: -40px;
  left: -40px;
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, rgba(0, 174, 239, 0.35), transparent 70%);
  filter: blur(20px);
}

.custom-card-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cmyk-yellow);
  margin-bottom: 1.25rem;
}

.custom-card-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--cmyk-cyan);
  margin-bottom: 0.5rem;
}

.custom-card-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1.25;
  color: #FFFFFF;
  margin-bottom: 0.75rem;
}

.custom-card-desc {
  font-size: 0.92rem;
  color: #CBD5E1;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

/* ==========================================================================
   3. DIFFERENTIALS SECTION
   ========================================================================== */
.differentials-section {
  padding: 5.5rem 0;
  background-color: var(--bg-light);
  border-top: 1px solid #E2E8F0;
  border-bottom: 1px solid #E2E8F0;
}

.differentials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.8rem;
}

.diff-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 2.2rem 1.8rem;
  border: 1px solid #E2E8F0;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.diff-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-card);
  border-color: #CBD5E1;
}

.diff-icon-box {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.diff-card:nth-child(1) .diff-icon-box { background: rgba(0, 174, 239, 0.12); color: var(--cmyk-cyan); }
.diff-card:nth-child(2) .diff-icon-box { background: rgba(236, 0, 140, 0.12); color: var(--cmyk-magenta); }
.diff-card:nth-child(3) .diff-icon-box { background: rgba(234, 179, 8, 0.15); color: #B45309; }
.diff-card:nth-child(4) .diff-icon-box { background: rgba(37, 211, 102, 0.15); color: #15803D; }

.diff-card:hover .diff-icon-box {
  transform: scale(1.08);
}

.diff-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.diff-desc {
  font-size: 0.94rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.diff-badge {
  margin-top: auto;
  padding-top: 0.8rem;
  border-top: 1px dashed #E2E8F0;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
}

/* ==========================================================================
   4. CLIENTS SECTION (7 LOGOS)
   ========================================================================== */
.clients-section {
  padding: 5rem 0;
  background-color: var(--bg-white);
}

.clients-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  align-items: center;
  justify-items: center;
  gap: 1.5rem;
}

.client-item {
  width: 100%;
  height: 110px;
  background: var(--bg-white);
  border: 1px solid #E2E8F0;
  border-radius: var(--radius-md);
  padding: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.client-item:hover {
  transform: translateY(-4px);
  border-color: #CBD5E1;
  box-shadow: var(--shadow-md);
}

.client-item img {
  max-width: 100%;
  max-height: 65px;
  object-fit: contain;
  filter: grayscale(80%);
  opacity: 0.85;
  transition: var(--transition);
}

.client-item:hover img {
  filter: grayscale(0%);
  opacity: 1;
  transform: scale(1.04);
}

/* ==========================================================================
   5. FAQ SECTION (PERGUNTAS E RESPOSTAS)
   ========================================================================== */
.faq-section {
  padding: 6rem 0;
  background-color: var(--bg-light);
}

.faq-container {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-white);
  border: 1px solid #E2E8F0;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.faq-item:hover {
  border-color: #CBD5E1;
}

.faq-item.active {
  border-color: var(--cmyk-cyan);
  box-shadow: 0 4px 15px rgba(0, 174, 239, 0.1);
}

.faq-question {
  width: 100%;
  padding: 1.35rem 1.6rem;
  background: none;
  border: none;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition);
}

.faq-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform 0.3s ease;
  color: var(--text-muted);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  color: var(--cmyk-cyan);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 1.6rem;
  font-size: 0.98rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 260px;
  padding: 0 1.6rem 1.4rem;
}

/* ==========================================================================
   6. CONTACT SECTION (REPLACES FOOTER)
   ========================================================================== */
.contact-section {
  background-color: var(--bg-dark);
  background-image: 
    radial-gradient(circle at 15% 30%, rgba(0, 174, 239, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 85% 70%, rgba(236, 0, 140, 0.15) 0%, transparent 40%),
    linear-gradient(180deg, #0B0F19 0%, #05070D 100%);
  color: var(--text-light);
  padding: 5.5rem 0 3rem;
  position: relative;
  overflow: hidden;
}

.contact-section .section-title {
  color: #FFFFFF;
}

.contact-section .section-desc {
  color: var(--text-light-muted);
}

.contact-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.8rem;
  margin-bottom: 4rem;
}

.contact-card {
  background: var(--bg-dark-card);
  backdrop-filter: blur(14px);
  border: 1px solid var(--bg-dark-border);
  border-radius: var(--radius-lg);
  padding: 2.2rem 1.8rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: transparent;
  transition: var(--transition);
}

.contact-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

.contact-card.whats:hover::before { background: var(--whatsapp-green); }
.contact-card.email:hover::before { background: var(--cmyk-cyan); }
.contact-card.insta:hover::before { background: var(--cmyk-magenta); }

.contact-icon-wrap {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.contact-card.whats .contact-icon-wrap { background: rgba(37, 211, 102, 0.15); color: var(--whatsapp-green); }
.contact-card.email .contact-icon-wrap { background: rgba(0, 174, 239, 0.15); color: var(--cmyk-cyan); }
.contact-card.insta .contact-icon-wrap { background: rgba(236, 0, 140, 0.15); color: var(--cmyk-magenta); }

.contact-card:hover .contact-icon-wrap {
  transform: scale(1.1);
}

.contact-card-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: #FFFFFF;
}

.contact-card-value {
  font-size: 1.05rem;
  font-weight: 600;
  color: #E2E8F0;
  word-break: break-all;
}

.contact-card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.86rem;
  font-weight: 700;
  margin-top: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.08);
  color: #FFFFFF;
}

.contact-card:hover .contact-card-link {
  background: rgba(255, 255, 255, 0.2);
}

/* Footer Bottom Bar with Alldaya Credit */
.footer-credit-bar {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-light-muted);
}

@media (min-width: 768px) {
  .footer-credit-bar {
    flex-direction: row;
    text-align: left;
  }
}

.alldaya-credit a {
  color: #FFFFFF;
  font-weight: 700;
  border-bottom: 1px dashed var(--cmyk-cyan);
}

.alldaya-credit a:hover {
  color: var(--cmyk-cyan);
  border-bottom-style: solid;
}

/* ==========================================================================
   7. MODAL (FUNCTIONAL QUOTE FORM)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 8, 15, 0.82);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: #111726;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  padding: 2.2rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
  transform: scale(0.92);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-overlay.open .modal-content {
  transform: scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  border-radius: 50%;
  color: #CBD5E1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.modal-close-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
}

/* ==========================================================================
   8. FIXED WHATSAPP FLOATING BUTTON
   ========================================================================== */
.whatsapp-floating {
  position: fixed;
  bottom: 1.8rem;
  right: 1.8rem;
  z-index: 900;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background-color: var(--whatsapp-green);
  color: #FFFFFF;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-full);
  box-shadow: 0 8px 25px var(--whatsapp-glow);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  transition: var(--transition);
  text-decoration: none;
  animation: pulseGreen 2.5s infinite;
}

.whatsapp-floating:hover {
  background-color: var(--whatsapp-hover);
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.5);
  color: #FFFFFF;
}

.whatsapp-floating-icon {
  width: 26px;
  height: 26px;
  fill: currentColor;
}

@keyframes pulseGreen {
  0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5); }
  70% { box-shadow: 0 0 0 14px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ==========================================================================
   9. RESPONSIVE BREAKPOINTS
   ========================================================================== */
@media (max-width: 1100px) {
  .hero-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
  .hero-col-brand {
    grid-column: 1 / -1;
    text-align: center;
    align-items: center;
  }
  .hero-logo-wrap {
    display: flex;
    justify-content: center;
  }
  .hero-badge-row {
    justify-content: center;
  }
  .hero-highlights {
    justify-content: center;
  }
}

@media (max-width: 820px) {
  .hero-section {
    padding: 2.5rem 0 4rem;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .banner-wrapper {
    max-width: 280px;
    margin: 0 auto;
  }
  .form-card {
    padding: 1.6rem 1.25rem;
  }
  .products-section {
    padding: 4.5rem 0;
  }
  .differentials-section,
  .clients-section,
  .faq-section,
  .contact-section {
    padding: 4rem 0;
  }
  .whatsapp-floating span {
    display: none;
  }
  .whatsapp-floating {
    padding: 0.9rem;
    border-radius: 50%;
  }
}

@media (max-width: 480px) {
  .products-grid {
    grid-template-columns: 1fr;
  }
  .clients-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}