/* 🎨 Dicocot.com Design System & Stylesheet */

:root {
  /* Colors */
  --bg-deep: #0b0f19;
  --bg-card: rgba(17, 25, 40, 0.65);
  --bg-card-hover: rgba(23, 33, 53, 0.85);
  --border-light: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.15);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --accent-purple: #8b5cf6;
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  
  --grad-primary: linear-gradient(135deg, var(--accent-purple) 0%, var(--accent-cyan) 100%);
  --grad-text: linear-gradient(135deg, #a78bfa 0%, #22d3ee 100%);
  --grad-glow: linear-gradient(135deg, rgba(139, 92, 246, 0.3) 0%, rgba(6, 182, 212, 0.3) 100%);
  
  /* Fonts */
  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

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

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 8rem 0;
  position: relative;
  z-index: 1;
}

/* Ambient Glow Orbs */
.glow-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(130px);
  opacity: 0.12;
  mix-blend-mode: screen;
}

.orb-primary {
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, var(--accent-purple) 0%, transparent 70%);
  top: -10vw;
  left: -10vw;
  animation: floatOrb1 25s infinite alternate ease-in-out;
}

.orb-secondary {
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, var(--accent-cyan) 0%, transparent 70%);
  bottom: -20vw;
  right: -10vw;
  animation: floatOrb2 30s infinite alternate ease-in-out;
}

@keyframes floatOrb1 {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(5vw, 8vh) scale(1.1); }
}

@keyframes floatOrb2 {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-8vw, -5vh) scale(1.05); }
}

/* Typography & Headings */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.gradient-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 2rem;
  border-radius: 50px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.btn-primary {
  background: var(--grad-primary);
  color: #fff;
  border: none;
  box-shadow: 0 4px 20px rgba(139, 92, 246, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(139, 92, 246, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-light);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

/* Header & Navigation */
.main-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  display: flex;
  align-items: center;
  z-index: 100;
  transition: all var(--transition-normal);
  border-bottom: 1px solid transparent;
}

.main-header.scrolled {
  height: 70px;
  background-color: rgba(11, 15, 25, 0.8);
  backdrop-filter: blur(15px);
  border-bottom: 1px solid var(--border-light);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.03em;
}

.logo-icon {
  animation: rotateLogo 8s infinite linear;
}

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

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-link {
  color: var(--text-secondary);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--grad-primary);
  transition: width var(--transition-fast);
}

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

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

.btn-header-contact {
  padding: 0.5rem 1.25rem;
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-light);
}

.btn-header-contact:hover {
  background: var(--grad-primary);
  border-color: transparent;
  color: #fff;
}

.btn-header-contact::after {
  display: none;
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 101;
}

.mobile-toggle .bar {
  width: 25px;
  height: 2px;
  background-color: var(--text-primary);
  transition: all var(--transition-fast);
}

.mobile-toggle.active .bar:nth-child(1) {
  transform: rotate(45deg) translate(5px, 6px);
}

.mobile-toggle.active .bar:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.active .bar:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -6px);
}

/* Hero Section */
.hero-section {
  padding-top: 12rem;
  padding-bottom: 8rem;
  text-align: center;
}

.hero-container {
  max-width: 800px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.25rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-light);
  border-radius: 50px;
  margin-bottom: 2rem;
  backdrop-filter: blur(10px);
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0% { transform: scale(0.9); opacity: 0.6; }
  50% { transform: scale(1.2); opacity: 1; box-shadow: 0 0 12px var(--accent-emerald); }
  100% { transform: scale(0.9); opacity: 0.6; }
}

.badge-text {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  max-width: 650px;
  font-weight: 400;
}

.hero-actions {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
  justify-content: center;
}

/* Sections Global Headers */
.section-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 5rem auto;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
}

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 20px;
  padding: 3rem 2rem;
  transition: all var(--transition-normal);
  backdrop-filter: blur(20px);
}

.about-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--grad-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  margin-bottom: 2rem;
}

.about-card h3 {
  font-size: 1.4rem;
  margin-bottom: 1rem;
  font-family: var(--font-display);
}

.about-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Validation Ecosystem Section */
.validation-section {
  background: linear-gradient(180deg, transparent, rgba(139, 92, 246, 0.02) 50%, transparent);
}

.validation-wrapper {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
  background: rgba(17, 25, 40, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 32px;
  padding: 4.5rem;
  backdrop-filter: blur(20px);
}

.badge-container {
  margin-bottom: 1.5rem;
}

.small-badge {
  display: inline-block;
  padding: 0.35rem 1rem;
  background: rgba(139, 92, 246, 0.15);
  border: 1px solid rgba(139, 92, 246, 0.3);
  color: #a78bfa;
  border-radius: 30px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.validation-content h2 {
  font-size: 2.2rem;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.validation-content p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
}

.trust-indicator {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
  background: rgba(255, 255, 255, 0.02);
  border-left: 3px solid var(--accent-cyan);
  padding: 1.25rem;
  border-radius: 0 16px 16px 0;
}

.trust-icon {
  color: var(--accent-cyan);
  flex-shrink: 0;
  margin-top: 2px;
}

.trust-indicator span {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Validation Visual Diagram */
.validation-visual {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  position: relative;
}

.visual-node {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: all var(--transition-normal);
}

.node-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.node-label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-primary);
}

.node-domain {
  font-family: monospace;
  font-size: 0.85rem;
  color: var(--accent-cyan);
  margin-top: 0.25rem;
  background: rgba(6, 182, 212, 0.1);
  padding: 0.1rem 0.5rem;
  border-radius: 4px;
}

.node-active {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.08) 0%, rgba(6, 182, 212, 0.08) 100%);
  border-color: rgba(139, 92, 246, 0.4);
  box-shadow: 0 0 25px rgba(139, 92, 246, 0.15);
  transform: scale(1.03);
}

.node-active .node-domain {
  background: rgba(139, 92, 246, 0.15);
  color: #c084fc;
}

.visual-arrow {
  display: flex;
  justify-content: center;
  color: var(--text-muted);
  transform: rotate(90deg);
  margin: -0.5rem 0;
  animation: pulseArrow 2.5s infinite ease-in-out;
}

@keyframes pulseArrow {
  0% { opacity: 0.4; transform: rotate(90deg) translateY(-5px); }
  50% { opacity: 1; transform: rotate(90deg) translateY(5px); }
  100% { opacity: 0.4; transform: rotate(90deg) translateY(-5px); }
}

/* Business Verticals (Projects) */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 24px;
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  backdrop-filter: blur(20px);
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: rgba(22, 163, 74, 0.2);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.3);
}

/* Make validated projects border glow soft emerald, and others purple/cyan */
.project-card:nth-child(1):hover { border-color: rgba(16, 185, 129, 0.4); }
.project-card:nth-child(2):hover { border-color: rgba(6, 182, 212, 0.4); }
.project-card:nth-child(3):hover { border-color: rgba(139, 92, 246, 0.4); }

.project-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.project-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
}

.project-card:nth-child(1) .project-icon { color: var(--accent-emerald); }
.project-card:nth-child(2) .project-icon { color: var(--accent-cyan); }
.project-card:nth-child(3) .project-icon { color: var(--accent-purple); }

.project-status {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
}

.project-card:nth-child(1) .project-status {
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.2);
  color: var(--accent-emerald);
}

.project-card h3 {
  font-size: 1.35rem;
  margin-bottom: 1rem;
}

.project-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: auto; /* Push tags to bottom */
}

.project-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.project-tags span {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-light);
  border-radius: 6px;
  color: var(--text-secondary);
}

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 5rem;
  align-items: center;
}

.contact-info h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.contact-info p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  font-size: 1.05rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-detail-item {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.detail-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  flex-shrink: 0;
}

.detail-text {
  display: flex;
  flex-direction: column;
}

.detail-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.detail-value {
  color: var(--text-primary);
  font-size: 1.05rem;
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
}

a.detail-value:hover {
  color: var(--accent-cyan);
}

/* Contact Form */
.contact-form-container {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 24px;
  padding: 3rem;
  backdrop-filter: blur(20px);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  width: 100%;
}

.form-group label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 0.85rem 1rem;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.15);
  background: rgba(255, 255, 255, 0.04);
}

.form-group select option {
  background-color: var(--bg-deep);
  color: var(--text-primary);
}

/* Submit Button & States */
.btn-submit {
  position: relative;
  width: 100%;
  border: none;
}

.btn-submit .spinner {
  display: none;
  width: 20px;
  height: 20px;
  position: absolute;
  animation: rotateSpinner 1s infinite linear;
}

.btn-submit.loading span {
  opacity: 0;
}

.btn-submit.loading .spinner {
  display: block;
}

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

.btn-submit .spinner .path {
  stroke: #ffffff;
  stroke-linecap: round;
  animation: dashSpinner 1.5s ease-in-out infinite;
}

@keyframes dashSpinner {
  0% { stroke-dasharray: 1, 150; stroke-dashoffset: 0; }
  50% { stroke-dasharray: 90, 150; stroke-dashoffset: -35; }
  100% { stroke-dasharray: 90, 150; stroke-dashoffset: -124; }
}

.form-status {
  font-size: 0.9rem;
  text-align: center;
  margin-top: 0.5rem;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.form-status.success {
  color: var(--accent-emerald);
  opacity: 1;
}

.form-status.error {
  color: var(--accent-rose);
  opacity: 1;
}

/* Footer Section */
.main-footer {
  border-top: 1px solid var(--border-light);
  padding: 5rem 0 0 0;
  background: rgba(7, 10, 18, 0.6);
  position: relative;
  z-index: 1;
}

.footer-container {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-top: 1.25rem;
  max-width: 400px;
}

.footer-links h4 {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color var(--transition-fast);
  cursor: pointer;
}

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

.footer-bottom {
  border-top: 1px solid var(--border-light);
  padding: 2rem 0;
}

.footer-bottom-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-tech {
  font-family: monospace;
}

/* Modal System (Self-contained Legals) */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(7, 10, 18, 0.8);
  backdrop-filter: blur(10px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
  padding: 2rem;
}

.modal.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: #0f172a;
  border: 1px solid var(--border-light);
  max-width: 700px;
  width: 100%;
  max-height: 80vh;
  border-radius: 24px;
  padding: 3rem;
  position: relative;
  overflow-y: auto;
  transform: translateY(20px);
  transition: transform var(--transition-normal);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.modal.active .modal-content {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
  transition: color var(--transition-fast);
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-body h2 {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.modal-body h3 {
  font-size: 1.2rem;
  margin: 1.5rem 0 0.5rem 0;
}

.modal-body p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.modal-body ul {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.modal-body li {
  margin-bottom: 0.5rem;
}

/* Scroll Reveal Helper Classes */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .validation-wrapper {
    grid-template-columns: 1fr;
    gap: 3rem;
    padding: 3rem;
  }
  
  .validation-visual {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
  
  .visual-node {
    width: 30%;
    padding: 1rem;
  }
  
  .visual-arrow {
    transform: rotate(0deg);
    margin: 0;
  }
  
  @keyframes pulseArrow {
    0% { opacity: 0.4; transform: rotate(0deg) translateX(-5px); }
    50% { opacity: 1; transform: rotate(0deg) translateX(5px); }
    100% { opacity: 0.4; transform: rotate(0deg) translateX(-5px); }
  }
}

@media (max-width: 768px) {
  section {
    padding: 5rem 0;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-section {
    padding-top: 10rem;
  }
  
  .about-grid, .projects-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  /* Mobile Nav */
  .mobile-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    height: calc(100vh - 80px);
    background-color: var(--bg-deep);
    flex-direction: column;
    padding: 4rem 2rem;
    gap: 2rem;
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    backdrop-filter: blur(15px);
    border-top: 1px solid var(--border-light);
  }
  
  .nav-menu.active {
    transform: translateX(0);
  }
  
  .nav-menu .btn-header-contact {
    width: 100%;
    text-align: center;
  }
  
  .validation-visual {
    flex-direction: column;
    gap: 1.5rem;
  }
  
  .visual-node {
    width: 100%;
  }
  
  .visual-arrow {
    transform: rotate(90deg);
  }
  
  @keyframes pulseArrow {
    0% { opacity: 0.4; transform: rotate(90deg) translateY(-5px); }
    50% { opacity: 1; transform: rotate(90deg) translateY(5px); }
    100% { opacity: 0.4; transform: rotate(90deg) translateY(-5px); }
  }
}