/* ============================================
   DESIGN SYSTEM - Control Consultoria Premium
   ============================================ */

:root,
[data-theme="light"] {
  --color-green: #8EDB67;
  --color-blue: #2E2A72;
  --color-white: #FFFFFF;
  --color-gray-light: #F5F7FA;
  --color-dark: #0D0D0D;
  --color-text: #1F2937;
  --color-text-light: #6B7280;
  --color-border: #E5E7EB;
  
  --bg: #FAFBFC;
  --bg-soft: #F5F7FA;
  --bg-strong: #E5E7EB;
  
  --shadow-sm: 0 4px 12px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 16px 48px rgba(15, 23, 42, 0.10);
  --shadow-glow: 0 0 40px rgba(142, 219, 103, 0.12);
  
  --container: 1280px;
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
}

[data-theme="dark"] {
  --bg: #0F1119;
  --bg-soft: #1A1F2E;
  --bg-strong: #232A3B;
  --color-text: #F3F4F6;
  --color-text-light: #D1D5DB;
  --color-border: rgba(255, 255, 255, 0.08);
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px rgba(142, 219, 103, 0.15);
}

/* ============================================
   RESET & BASE
   ============================================ */

* { 
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  color-scheme: light;
}

html[data-theme="dark"] { 
  color-scheme: dark;
}

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body.menu-open { 
  overflow: hidden;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--color-text);
}

h1 {
  font-size: clamp(2.2rem, 5vw, 4.2rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.8rem);
  font-weight: 700;
}

h3 {
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  font-weight: 700;
}

p {
  color: var(--color-text-light);
  font-size: 1rem;
  line-height: 1.7;
}

small {
  font-size: 0.875rem;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.3s ease;
}

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

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

button, a, input, select, textarea {
  -webkit-tap-highlight-color: transparent;
}

/* ============================================
   LAYOUT
   ============================================ */

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: clamp(4rem, 8vw, 7rem) 0;
  position: relative;
  overflow: hidden;
}

.section-dark {
  background: linear-gradient(135deg, #0F1119 0%, #1A1F2E 100%);
  color: var(--color-white);
}

.section-dark h1,
.section-dark h2,
.section-dark h3 {
  color: var(--color-white);
}

.section-dark p {
  color: #D1D5DB;
}

/* Decorative elements */
.section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(600px at top, rgba(142, 219, 103, 0.05), transparent);
  pointer-events: none;
  z-index: 0;
}

.section > * {
  position: relative;
  z-index: 1;
}

/* ============================================
   SKIP LINK
   ============================================ */

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 1000;
  padding: 0.75rem 1.25rem;
  border-radius: 999px;
  background: var(--color-blue);
  color: white;
  font-weight: 600;
  transition: top 0.3s ease;
}

.skip-link:focus {
  top: 1rem;
}

/* ============================================
   BADGES & LABELS
   ============================================ */

.eyebrow {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  background: rgba(142, 219, 103, 0.1);
  color: var(--color-green);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: 1px solid rgba(142, 219, 103, 0.2);
  margin-bottom: 1rem;
}

/* ============================================
   BUTTONS
   ============================================ */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.8rem;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.1);
  transition: left 0.3s ease;
  z-index: 0;
}

.button:hover::before {
  left: 100%;
}

.button > * {
  position: relative;
  z-index: 1;
}

.button-primary {
  background: linear-gradient(135deg, var(--color-green), #7AC74F);
  color: white;
  box-shadow: 0 8px 20px rgba(142, 219, 103, 0.2);
}

.button-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(142, 219, 103, 0.3);
}

.button-secondary {
  background: var(--bg-soft);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.button-secondary:hover {
  background: var(--bg-strong);
  border-color: var(--color-green);
  transform: translateY(-2px);
}

.button-outline {
  background: transparent;
  color: var(--color-green);
  border: 2px solid var(--color-green);
}

.button-outline:hover {
  background: rgba(142, 219, 103, 0.1);
  transform: translateY(-2px);
}

.button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ============================================
   HEADER
   ============================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(229, 231, 235, 0.5);
  transition: all 0.3s ease;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(30px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

[data-theme="dark"] .site-header {
  background: rgba(15, 17, 25, 0.6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .site-header.is-scrolled {
  background: rgba(15, 17, 25, 0.8);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem 0;
  min-height: 70px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  color: var(--color-text);
  flex: 1;
}

.brand-mark {
  width: clamp(2.5rem, 6vw, 4rem);
  height: auto;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.brand-copy strong {
  font-size: 0.9rem;
  font-weight: 800;
  line-height: 1;
}

.brand-copy span {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-light);
}

.desktop-nav {
  display: none;
  align-items: center;
  gap: 2rem;
}

.desktop-nav a {
  position: relative;
  color: var(--color-text);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.5rem 0;
  transition: color 0.3s ease;
}

.desktop-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-green);
  transition: width 0.3s ease;
}

.desktop-nav a:hover {
  color: var(--color-green);
}

.desktop-nav a:hover::after {
  width: 100%;
}

.header-actions {
  display: none;
  align-items: center;
  gap: 1rem;
}

.header-cta {
  white-space: nowrap;
}

.theme-toggle,
.mobile-menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--color-text);
  cursor: pointer;
  transition: all 0.3s ease;
}

.theme-toggle:hover,
.mobile-menu-toggle:hover {
  background: var(--bg-soft);
  border-color: var(--color-green);
  transform: scale(1.05);
}

.theme-toggle-icon {
  display: inline-flex;
  width: 20px;
  height: 20px;
}

.mobile-menu-toggle-lines {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mobile-menu-toggle-lines span {
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: all 0.3s ease;
}

/* ============================================
   MOBILE MENU
   ============================================ */

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(10px);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
}

.mobile-menu-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: min(100%, 420px);
  height: 100vh;
  background: var(--bg);
  box-shadow: -10px 0 40px rgba(0, 0, 0, 0.1);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  padding: 1.5rem;
}

.mobile-menu.is-open .mobile-menu-panel {
  transform: translateX(0);
}

.mobile-menu-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}

.mobile-menu-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.mobile-menu-brand img {
  width: 32px;
  height: 32px;
}

.mobile-menu-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--bg-soft);
  color: var(--color-text);
  font-size: 1.5rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.mobile-menu-close:hover {
  background: var(--bg-strong);
  border-color: var(--color-green);
}

.mobile-menu-nav {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.mobile-menu-nav a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--bg-soft);
  color: var(--color-text);
  font-weight: 600;
  transition: all 0.3s ease;
}

.mobile-menu-nav a:hover {
  background: var(--bg-strong);
  border-color: var(--color-green);
  color: var(--color-green);
  transform: translateX(4px);
}

.mobile-menu-actions {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.mobile-menu-socials {
  display: flex;
  gap: 0.75rem;
}

.mobile-menu-socials a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--bg-soft);
  transition: all 0.3s ease;
}

.mobile-menu-socials a:hover {
  background: var(--bg-strong);
  border-color: var(--color-green);
  transform: translateY(-2px);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
  padding-top: clamp(5rem, 10vw, 8rem);
  padding-bottom: clamp(4rem, 8vw, 6rem);
  position: relative;
  background: linear-gradient(135deg, #FAFBFC 0%, #F5F7FA 100%);
}

[data-theme="dark"] .hero {
  background: linear-gradient(135deg, #0F1119 0%, #1A1F2E 100%);
}

.hero::after {
  content: '';
  position: absolute;
  top: -40%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(142, 219, 103, 0.1), transparent);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

.hero-grid {
  display: grid;
  gap: 3rem;
  align-items: center;
}

.hero-copy {
  display: grid;
  gap: 1.5rem;
}

.hero-copy h1 {
  font-size: clamp(2.4rem, 5vw, 4.2rem);
}

.hero-text {
  font-size: 1.1rem;
  line-height: 1.8;
  max-width: 55ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0.5rem;
}

.hero-points {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.hero-point {
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.hero-point:hover {
  border-color: var(--color-green);
  background: rgba(255, 255, 255, 0.8);
  box-shadow: 0 8px 32px rgba(142, 219, 103, 0.1);
  transform: translateY(-4px);
}

.hero-point strong {
  display: block;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-green);
  margin-bottom: 0.5rem;
}

.hero-point span {
  display: block;
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.hero-visual {
  display: grid;
  gap: 1.5rem;
}

.hero-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-white);
  box-shadow: var(--shadow-lg);
  transition: all 0.3s ease;
}

.hero-card:hover {
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  transform: translateY(-8px);
}

.hero-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ============================================
   SERVICES SECTION
   ============================================ */

.services-section {
  background: var(--bg);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.service-card {
  position: relative;
  padding: 2rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(142, 219, 103, 0.05), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.service-card:hover {
  border-color: var(--color-green);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-md), var(--shadow-glow);
  transform: translateY(-8px);
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1rem;
  opacity: 0.9;
}

.service-card h3 {
  margin-bottom: 0.75rem;
  font-size: 1.3rem;
}

.service-card p {
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ============================================
   PROOF / STATS SECTION
   ============================================ */

.proof-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}

.proof-card {
  position: relative;
  padding: 2rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(142, 219, 103, 0.05), transparent);
  text-align: center;
  transition: all 0.3s ease;
}

.proof-card:hover {
  border-color: var(--color-green);
  background: linear-gradient(135deg, rgba(142, 219, 103, 0.1), transparent);
  box-shadow: var(--shadow-md), var(--shadow-glow);
  transform: translateY(-4px);
}

.proof-card strong {
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-green);
  margin-bottom: 0.5rem;
}

.proof-card span {
  display: block;
  font-size: 0.95rem;
  color: var(--color-text-light);
}

/* ============================================
   DIFFERENTIATORS / FEATURES
   ============================================ */

.differentiator-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.differentiator-card {
  position: relative;
  padding: 2rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
  display: grid;
  gap: 1rem;
}

.differentiator-card:hover {
  border-color: var(--color-green);
  background: rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow-md), var(--shadow-glow);
  transform: translateY(-8px);
}

.differentiator-card img {
  width: 32px;
  height: 32px;
}

.differentiator-card h3 {
  font-size: 1.1rem;
}

.differentiator-card p {
  font-size: 0.95rem;
}

/* ============================================
   ABOUT SECTION
   ============================================ */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-copy {
  display: grid;
  gap: 1.5rem;
}

.about-copy h2 {
  font-size: 2rem;
}

.about-copy p {
  font-size: 1rem;
  line-height: 1.8;
}

.about-image {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-values {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.value-item {
  padding: 1.25rem;
  border-left: 4px solid var(--color-green);
  background: var(--bg-soft);
  border-radius: 4px;
}

.value-item h3 {
  font-size: 1rem;
  margin-bottom: 0.3rem;
}

.value-item p {
  font-size: 0.9rem;
}

/* ============================================
   PROCESS / TIMELINE
   ============================================ */

.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
  position: relative;
}

.process-card {
  position: relative;
  padding: 2rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-white);
  text-align: center;
  transition: all 0.3s ease;
}

.process-card::before {
  content: attr(data-step);
  position: absolute;
  top: -1.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-green), #7AC74F);
  color: white;
  font-weight: 800;
  font-size: 1.2rem;
}

.process-card:hover {
  border-color: var(--color-green);
  box-shadow: var(--shadow-md), var(--shadow-glow);
  transform: translateY(-8px);
}

.process-card h3 {
  margin-top: 1.5rem;
  font-size: 1.1rem;
}

.process-card p {
  font-size: 0.95rem;
  margin-top: 0.75rem;
}

/* ============================================
   FAQ SECTION
   ============================================ */

.faq-grid {
  display: grid;
  gap: 1rem;
  max-width: 800px;
  margin: 0 auto;
}

.faq-grid details {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
  cursor: pointer;
}

.faq-grid details:hover {
  border-color: var(--color-green);
  background: rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow-md);
}

.faq-grid summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--color-text);
  font-weight: 600;
  font-size: 1rem;
  list-style: none;
  transition: color 0.3s ease;
}

.faq-grid summary::-webkit-details-marker {
  display: none;
}

.faq-grid summary::after {
  content: '+';
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-green);
  color: white;
  font-weight: 800;
  flex-shrink: 0;
  transition: all 0.3s ease;
}

.faq-grid details[open] summary::after {
  content: '−';
  background: var(--color-blue);
}

.faq-grid summary:hover {
  color: var(--color-green);
}

.faq-grid p {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.95rem;
}

/* ============================================
   CONTACT SECTION
   ============================================ */

.contact-section {
  background: linear-gradient(135deg, var(--color-blue), #1a1758);
  color: white;
}

.contact-section h1,
.contact-section h2,
.contact-section h3 {
  color: white;
}

.contact-section p {
  color: #D1D5DB;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-copy {
  display: grid;
  gap: 1.5rem;
}

.contact-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.contact-card {
  position: relative;
  padding: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
  text-decoration: none;
  color: inherit;
}

.contact-card:hover {
  border-color: var(--color-green);
  background: rgba(142, 219, 103, 0.1);
  box-shadow: 0 0 30px rgba(142, 219, 103, 0.2);
  transform: translateY(-4px);
}

.contact-card strong {
  display: block;
  font-size: 1rem;
  margin-bottom: 0.5rem;
  color: var(--color-green);
}

.contact-card span {
  display: block;
  font-size: 0.9rem;
  color: #D1D5DB;
}

.contact-form {
  display: grid;
  gap: 1.5rem;
}

.contact-form label {
  display: grid;
  gap: 0.5rem;
}

.contact-form span {
  font-weight: 600;
  color: white;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  color: white;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-green);
  background: rgba(255, 255, 255, 0.15);
  box-shadow: 0 0 20px rgba(142, 219, 103, 0.3);
}

.contact-form textarea {
  resize: vertical;
  min-height: 120px;
}

.form-heading {
  display: grid;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.form-heading h3 {
  color: white;
}

.form-heading p {
  color: #D1D5DB;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.form-note {
  padding-top: 0.5rem;
  font-size: 0.85rem;
  color: #D1D5DB;
}

/* ============================================
   FOOTER
   ============================================ */

.site-footer {
  background: linear-gradient(135deg, #0F1119 0%, #1A1F2E 100%);
  color: #D1D5DB;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  padding: 3rem 0 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand {
  display: grid;
  gap: 1rem;
}

.footer-logo img {
  width: 3rem;
  height: auto;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.6;
}

.footer-section h3 {
  color: white;
  font-size: 1rem;
  margin-bottom: 1rem;
}

.footer-links {
  display: grid;
  gap: 0.75rem;
}

.footer-links a {
  font-size: 0.9rem;
  color: #D1D5DB;
  transition: all 0.3s ease;
}

.footer-links a:hover {
  color: var(--color-green);
  transform: translateX(4px);
}

.footer-socials {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.footer-socials a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  transition: all 0.3s ease;
}

.footer-socials a:hover {
  border-color: var(--color-green);
  background: rgba(142, 219, 103, 0.1);
  transform: translateY(-2px);
}

.footer-bottom {
  padding: 2rem 0;
  text-align: center;
  font-size: 0.85rem;
  color: #9CA3AF;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* ============================================
   FLOATING WHATSAPP
   ============================================ */

.floating-whatsapp {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  z-index: 40;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: linear-gradient(135deg, #25D366, #1BAF5D);
  box-shadow: 0 12px 32px rgba(37, 211, 102, 0.3);
  animation: float 3s ease-in-out infinite;
  transition: all 0.3s ease;
}

.floating-whatsapp:hover {
  transform: scale(1.1);
  box-shadow: 0 16px 40px rgba(37, 211, 102, 0.4);
}

.floating-whatsapp img {
  width: 28px;
  height: 28px;
  filter: brightness(0) invert(1);
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

/* ============================================
   ANIMATIONS
   ============================================ */

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ============================================
   RESPONSIVE
   ============================================ */

@media (min-width: 769px) {
  .desktop-nav {
    display: flex;
  }

  .header-actions {
    display: flex;
  }

  .mobile-menu-toggle {
    display: none !important;
  }

  .hero-grid {
    grid-template-columns: 1fr 1fr;
  }

  .about-grid {
    grid-template-columns: 1fr 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }

  .form-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: clamp(1.8rem, 8vw, 2.6rem);
  }

  h2 {
    font-size: clamp(1.4rem, 6vw, 2rem);
  }

  .container {
    padding: 0 1.5rem;
  }

  .section {
    padding: clamp(2.5rem, 6vw, 4rem) 0;
  }

  .hero {
    padding-top: clamp(3.5rem, 8vw, 5rem);
  }

  .hero-grid,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .service-grid,
  .differentiator-grid,
  .process-grid {
    grid-template-columns: 1fr;
  }

  .proof-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .hero-points {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-cards {
    grid-template-columns: 1fr;
  }

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

  .hero-card {
    aspect-ratio: 1.2;
  }

  .floating-whatsapp {
    right: 1rem;
    bottom: 1rem;
    width: 52px;
    height: 52px;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: clamp(1.5rem, 7vw, 2rem);
  }

  .container {
    padding: 0 1rem;
  }

  .button {
    width: 100%;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-points {
    grid-template-columns: 1fr;
  }

  .contact-cards {
    grid-template-columns: 1fr;
  }

  .proof-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--color-green);
  outline-offset: 2px;
}

/* ============================================
   PRINT
   ============================================ */

@media print {
  .site-header,
  .site-footer,
  .floating-whatsapp,
  .mobile-menu {
    display: none;
  }
}
