@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

/* --- MODERN CSS RESET & VARIABLES --- */
:root {
  /* Colors */
  --primary-hue: 205;
  --primary: hsl(var(--primary-hue), 90%, 45%);
  --primary-hover: hsl(var(--primary-hue), 90%, 38%);
  --primary-light: hsl(var(--primary-hue), 85%, 94%);
  --primary-glow: hsla(var(--primary-hue), 90%, 45%, 0.15);
  
  --secondary-hue: 145;
  --secondary: hsl(var(--secondary-hue), 65%, 40%);
  --secondary-hover: hsl(var(--secondary-hue), 65%, 33%);
  --secondary-light: hsl(var(--secondary-hue), 60%, 94%);
  
  --accent: hsl(190, 95%, 42%);
  --text-main: hsl(210, 30%, 15%);
  --text-muted: hsl(210, 15%, 45%);
  --text-white: hsl(0, 0%, 100%);
  
  --bg-main: hsl(210, 20%, 98%);
  --bg-card: hsl(0, 0%, 100%);
  --bg-footer: hsl(210, 30%, 8%);
  
  --border-color: hsl(210, 20%, 90%);
  --border-focus: hsl(var(--primary-hue), 80%, 65%);
  
  /* Fonts */
  --font-title: 'Outfit', 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  
  /* Shadows & Radius */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.09);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  
  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.75);
  --glass-border: rgba(255, 255, 255, 0.4);
  --glass-blur: 16px;
  
  /* Transition */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  
  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

/* --- TYPOGRAPHY & BUTTONS --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-title);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-main);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-family: var(--font-title);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-primary {
  background-color: var(--primary);
  color: var(--text-white);
  box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--primary-glow);
}

.btn-secondary {
  background-color: var(--secondary);
  color: var(--text-white);
  box-shadow: 0 4px 14px rgba(var(--secondary-hue), 65%, 40%, 0.15);
}

.btn-secondary:hover {
  background-color: var(--secondary-hover);
  transform: translateY(-2px);
}

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

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

/* --- LAYOUT UTILITIES --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.section-title {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  position: relative;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 50px auto;
}

/* --- MODERN GLASS HEADER & NAVIGATION --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 70px;
  z-index: 1000;
  background-color: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
}

.header-active {
  height: 60px;
  background-color: rgba(255, 255, 255, 0.95);
}

.navbar {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  width: 100%;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.5px;
}

.logo span {
  color: var(--secondary);
}

.logo-icon {
  width: 32px;
  height: 32px;
  fill: currentColor;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: 8px 0;
  color: var(--text-main);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transition: width var(--transition-fast);
  border-radius: 2px;
}

.nav-link:hover {
  color: var(--primary);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link.active {
  color: var(--primary);
  font-weight: 600;
}

.nav-cta {
  display: flex;
  align-items: center;
}

.hamburger {
  display: none;
  cursor: pointer;
  border: none;
  background: transparent;
  padding: 4px;
}

.hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  margin: 6px auto;
  background-color: var(--text-main);
  transition: all var(--transition-fast);
}

/* --- HERO SECTION --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  background: radial-gradient(circle at 80% 20%, hsl(205, 80%, 93%) 0%, var(--bg-main) 60%);
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 120px;
  background: linear-gradient(to top, var(--bg-main), transparent);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content {
  z-index: 10;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--primary-light);
  color: var(--primary);
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
  border: 1px solid rgba(var(--primary-hue), 90%, 45%, 0.1);
  box-shadow: var(--shadow-sm);
}

.badge-icon {
  animation: pulse 2s infinite;
}

.hero-title {
  font-size: 3.5rem;
  line-height: 1.15;
  margin-bottom: 20px;
  font-weight: 800;
  letter-spacing: -1px;
}

.hero-title span {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  max-width: 500px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-circle-bg {
  position: absolute;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: linear-gradient(135deg, hsla(var(--primary-hue), 90%, 45%, 0.08), hsla(var(--secondary-hue), 65%, 40%, 0.08));
  animation: spin 30s linear infinite;
}

.hero-image-wrapper {
  position: relative;
  width: 90%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 4px solid var(--bg-card);
  transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
  transition: transform var(--transition-normal);
  aspect-ratio: 4/3;
}

.hero-image-wrapper:hover {
  transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

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

.hero-floating-card {
  position: absolute;
  background-color: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 16px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--border-color);
  animation: float 6s ease-in-out infinite;
}

.hero-floating-card-1 {
  bottom: 30px;
  left: -20px;
  animation-delay: 0s;
}

.hero-floating-card-2 {
  top: 30px;
  right: -10px;
  animation-delay: 3s;
}

.float-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background-color: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.hero-floating-card-2 .float-icon {
  background-color: var(--secondary-light);
  color: var(--secondary);
}

.float-text h4 {
  font-size: 0.9rem;
  font-weight: 700;
}

.float-text p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* --- SERVICES CARD SYSTEM --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 30px;
}

.service-card {
  background-color: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 40px 30px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

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

.service-icon-box {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-sm);
  background-color: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  font-size: 1.75rem;
  transition: all var(--transition-fast);
}

.service-card:navy .service-icon-box {
  background-color: var(--secondary-light);
  color: var(--secondary);
}

.service-card:hover .service-icon-box {
  transform: scale(1.1);
  background-color: var(--primary);
  color: var(--text-white);
}

.service-card:nth-child(even):hover .service-icon-box {
  background-color: var(--secondary);
  color: var(--text-white);
}

.service-title {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.service-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.service-features {
  list-style: none;
  font-size: 0.85rem;
  color: var(--text-main);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.service-features li::before {
  content: '✓';
  color: var(--secondary);
  font-weight: bold;
}

/* --- PORTFOLIO CAROUSEL --- */
.portfolio {
  background-color: hsl(210, 20%, 95%);
}

.carousel-container {
  position: relative;
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 16/9;
}

.carousel-slide {
  display: none;
  width: 100%;
  height: 100%;
  position: relative;
}

.carousel-slide.active {
  display: block;
  animation: fadeEffect 0.8s ease-in-out;
}

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

.carousel-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 30px;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.85));
  color: var(--text-white);
  z-index: 10;
}

.carousel-caption h3 {
  color: var(--text-white);
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.carousel-caption p {
  font-size: 0.95rem;
  opacity: 0.85;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: var(--text-white);
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  z-index: 20;
}

.carousel-btn:hover {
  background-color: var(--primary);
  border-color: transparent;
  transform: translateY(-50%) scale(1.05);
}

.carousel-btn-prev {
  left: 20px;
}

.carousel-btn-next {
  right: 20px;
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 24px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: hsl(210, 20%, 80%);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.dot.active {
  background-color: var(--primary);
  width: 28px;
  border-radius: 5px;
}

/* --- RIEGO ESTIMATOR CALCULATOR --- */
.calculator-box {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  padding: 50px 40px;
  max-width: 900px;
  margin: 0 auto;
}

.calculator-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

.calculator-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-family: var(--font-title);
  font-size: 0.9rem;
  font-weight: 600;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  font-family: var(--font-body);
  font-size: 0.95rem;
  background-color: var(--bg-main);
  transition: all var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--border-focus);
  background-color: var(--bg-card);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.calculator-result-panel {
  background: linear-gradient(135deg, hsl(205, 90%, 96%), hsl(145, 60%, 96%));
  border-radius: var(--radius-md);
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px dashed var(--primary);
}

.result-header h3 {
  font-size: 1.4rem;
  margin-bottom: 8px;
}

.result-header p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.result-values {
  margin: 30px 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.result-item {
  display: flex;
  justify-content: space-between;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  font-size: 0.95rem;
}

.result-item.total {
  border-bottom: none;
  font-size: 1.4rem;
  font-family: var(--font-title);
  font-weight: 800;
  color: var(--primary);
}

.result-disclaimer {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 16px;
}

/* --- CONTACT SECTION & INTERACTIVE FORM --- */
.contact-section {
  position: relative;
  background-color: var(--bg-card);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 60px;
  align-items: flex-start;
}

.contact-info-panel {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.contact-info-title {
  font-size: 2rem;
  margin-bottom: 10px;
}

.contact-info-desc {
  color: var(--text-muted);
  font-size: 1rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-detail-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px;
  background-color: var(--bg-main);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
}

.contact-detail-card:hover {
  transform: translateX(5px);
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.contact-detail-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.contact-detail-card:nth-child(even) .contact-detail-icon {
  background-color: var(--secondary-light);
  color: var(--secondary);
}

.contact-detail-text h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.contact-detail-text p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.contact-socials {
  display: flex;
  gap: 16px;
}

.social-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--bg-main);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  transition: all var(--transition-fast);
}

.social-btn:hover {
  background-color: var(--primary);
  color: var(--text-white);
  border-color: transparent;
  transform: scale(1.1);
}

.contact-form-box {
  background-color: var(--bg-main);
  border-radius: var(--radius-lg);
  padding: 40px;
  border: 1px solid var(--border-color);
}

.contact-form-title {
  font-size: 1.5rem;
  margin-bottom: 24px;
}

/* --- HISTORY PAGE TIMELINE & CONTENT --- */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 50px auto 0 auto;
}

.timeline::after {
  content: '';
  position: absolute;
  width: 3px;
  background: linear-gradient(to bottom, var(--primary), var(--secondary));
  top: 0;
  bottom: 0;
  left: 50%;
  margin-left: -1.5px;
}

.timeline-item {
  padding: 10px 40px;
  position: relative;
  background-color: inherit;
  width: 50%;
}

.timeline-item::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  right: -10px;
  background-color: var(--bg-card);
  border: 4px solid var(--primary);
  top: 15px;
  border-radius: 50%;
  z-index: 1;
  transition: all var(--transition-fast);
}

.timeline-item:nth-child(even)::after {
  border-color: var(--secondary);
}

.left {
  left: 0;
}

.right {
  left: 50%;
}

.right::after {
  left: -10px;
}

.timeline-content {
  padding: 30px;
  background-color: var(--bg-card);
  position: relative;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: transform var(--transition-normal);
}

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

.timeline-year {
  font-family: var(--font-title);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 10px;
}

.timeline-item:nth-child(even) .timeline-year {
  color: var(--secondary);
}

.timeline-content h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.timeline-content p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.history-intro {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 50px;
  align-items: center;
  margin-bottom: 60px;
}

.history-intro-text p {
  margin-bottom: 20px;
  font-size: 1.05rem;
  color: var(--text-muted);
}

.history-intro-visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 4px solid var(--bg-card);
  aspect-ratio: 4/3;
}

.history-intro-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --- FOOTER --- */
.footer {
  background-color: var(--bg-footer);
  color: hsl(210, 20%, 75%);
  padding: 80px 0 30px 0;
  border-top: 1px solid hsl(210, 30%, 15%);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-col h3 {
  color: var(--text-white);
  font-size: 1.2rem;
  margin-bottom: 24px;
  position: relative;
}

.footer-col h3::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 30px;
  height: 2px;
  background-color: var(--primary);
}

.footer-col p {
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--primary);
  padding-left: 4px;
}

.footer-contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  font-size: 0.9rem;
}

.footer-contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.footer-contact-list li span {
  color: var(--primary);
}

.footer-bottom {
  border-top: 1px solid hsl(210, 30%, 15%);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
}

.footer-logo {
  font-family: var(--font-title);
  color: var(--text-white);
  font-weight: 800;
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.footer-logo span {
  color: var(--secondary);
}

/* --- RESPONSIVE STYLES --- */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 50px;
    text-align: center;
  }
  
  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .hero-image-wrapper {
    width: 80%;
    transform: none;
  }
  
  .hero-image-wrapper:hover {
    transform: none;
  }
  
  .calculator-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 50px;
  }
  
  .history-intro {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
  }
  
  .footer-col:last-child {
    grid-column: span 3;
  }
}

@media (max-width: 768px) {
  .section-title {
    font-size: 2rem;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hamburger {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background-color: var(--bg-card);
    flex-direction: column;
    padding: 50px 0;
    gap: 30px;
    transition: left var(--transition-normal);
    box-shadow: var(--shadow-lg);
    z-index: 999;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .hamburger.active .hamburger-line:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  
  .hamburger.active .hamburger-line:nth-child(2) {
    opacity: 0;
  }
  
  .hamburger.active .hamburger-line:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
  
  .timeline::after {
    left: 20px;
  }
  
  .timeline-item {
    width: 100%;
    padding-left: 45px;
    padding-right: 0;
  }
  
  .timeline-item::after {
    left: 10px;
    right: auto;
  }
  
  .right {
    left: 0;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-col:last-child,
  .footer-col {
    grid-column: span 1;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}

/* --- ANIMATIONS --- */
@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-12px); }
  100% { transform: translateY(0px); }
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes pulse {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.1); opacity: 0.7; }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes fadeEffect {
  from { opacity: 0.4; }
  to { opacity: 1; }
}