/* ===== RESET & BASE ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  -webkit-touch-callout: none;
}

/* Permitir seleção em inputs */
input, textarea, select {
  user-select: text;
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
}

:root {
  --brand-cyan: #22c5ff;
  --brand-cyan-dark: #06b6d4;
  --brand-blue: #1d4ed8;
  --brand-blue-dark: #0c1d4a;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
  max-width: 100%;
  overflow-x: hidden;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: rgb(2, 6, 23);
  color: rgb(255, 255, 255);
  max-width: 100%;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.6;
}

img, svg, video, canvas {
  max-width: 100%;
}

section, header, footer, main, nav, article, aside {
  min-width: 0;
}

/* ===== AMBIENT ORBS — Gradient blobs behind content ===== */
.orb {
  position: absolute;
  border-radius: 9999px;
  filter: blur(80px);
  opacity: 0.35;
  will-change: transform;
  z-index: 0;
}

.orb--1 {
  top: -10%;
  left: -8%;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(34, 197, 255, 0.6), transparent 60%);
  animation: drift-1 22s ease-in-out infinite;
}

.orb--2 {
  top: 40%;
  right: -12%;
  width: 640px;
  height: 640px;
  background: radial-gradient(circle, rgba(29, 78, 216, 0.5), transparent 60%);
  animation: drift-2 28s ease-in-out infinite;
}

.orb--3 {
  bottom: -10%;
  left: 30%;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.5), transparent 60%);
  animation: drift-3 32s ease-in-out infinite;
}

@keyframes drift-1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(80px, 60px) scale(1.12); }
}

@keyframes drift-2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-100px, -80px) scale(1.08); }
}

@keyframes drift-3 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(60px, -40px) scale(1.15); }
}

/* ===== SUBTLE GRID OVERLAY ===== */
.grid-lines {
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
}

/* ===== ANIMATIONS ===== */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(30px); }
}

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

@keyframes fade-up {
  0% { opacity: 0; transform: translateY(24px); }
  100% { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.animate-float {
  animation: float 6s ease-in-out infinite;
}

.animate-float-slow {
  animation: float-slow 10s ease-in-out infinite;
}

.animate-fade-up {
  animation: fade-up 0.8s ease-out;
}

.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* ===== HEADER & NAVIGATION ===== */
header {
  position: fixed;
  top: 0;
  inset-x: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: rgba(2, 6, 23, 0.7);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 80rem;
  margin: 0 auto;
  padding: 1rem 2.5rem;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 1rem;
  text-decoration: none;
  color: white;
  font-weight: 900;
}

.logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, rgb(34, 197, 255), rgb(6, 182, 212));
  border-radius: 8px;
  font-weight: 900;
  font-size: 12px;
  box-shadow: 0 8px 24px rgba(34, 197, 255, 0.4);
}

.logo-text {
  font-weight: 900;
  font-size: 18px;
  letter-spacing: -0.02em;
}

nav-menu {
  display: flex;
  gap: 2rem;
  align-items: center;
}

nav a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.3s;
}

nav a:hover {
  color: rgb(255, 255, 255);
}

.charadaria-logo-mark {
  width: 42px;
  height: 42px;
  object-fit: contain;
  display: block;
}

.charadaria-footer-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}

.charadaria-footer-brand img {
  width: 54px;
  height: 54px;
  object-fit: contain;
}

.charadaria-footer-brand strong {
  color: #fff;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}

.charadaria-footer-brand p,
.charadaria-footer-copy {
  margin: 4px 0 0;
  color: rgba(255,255,255,.58);
  font-size: .9rem;
}

.charadaria-footer-copy {
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,.08);
}

/* ===== BUTTONS ===== */
.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  background: linear-gradient(135deg, rgb(34, 197, 255), rgb(6, 182, 212));
  color: white;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  border: none;
  cursor: pointer;
  transition: all 0.3s;
  box-shadow: 0 12px 32px rgba(34, 197, 255, 0.4);
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 48px rgba(34, 197, 255, 0.5);
}

.cta-button-secondary {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white;
  box-shadow: none;
}

.cta-button-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
}

/* ===== MAIN & SECTIONS ===== */
main {
  position: relative;
  z-index: 10;
}

section {
  position: relative;
  z-index: 2;
  max-width: 80rem;
  margin: 0 auto;
  padding: 6rem 2.5rem;
}

/* ===== TYPOGRAPHY ===== */
h1 {
  font-size: 3.75rem;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 2.25rem;
  font-weight: 900;
  margin-bottom: 1rem;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

h4 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

p {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
  margin-bottom: 1rem;
}

strong {
  color: rgb(255, 255, 255);
  font-weight: 600;
}

/* ===== GRADIENT TEXT ===== */
.gradient-text {
  background: linear-gradient(135deg, rgb(34, 197, 255), rgb(6, 182, 212), rgb(29, 78, 216));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== BADGES ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(34, 197, 255, 0.15);
  border: 1px solid rgba(34, 197, 255, 0.3);
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 600;
  color: rgb(165, 243, 252);
  margin-bottom: 1.5rem;
}

.pulse-dot {
  width: 6px;
  height: 6px;
  background: rgb(34, 197, 255);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

/* ===== GLASS CARDS ===== */
.glass-card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 1rem;
  padding: 2rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover {
  border-color: rgba(34, 197, 255, 0.3);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 20px 60px rgba(34, 197, 255, 0.15);
  transform: translateY(-8px);
}

/* ===== GRIDS ===== */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 2rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

/* ===== ICONS ===== */
.icon {
  width: 48px;
  height: 48px;
  background: rgba(34, 197, 255, 0.2);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  flex-shrink: 0;
}

.icon svg {
  width: 24px;
  height: 24px;
  stroke: rgb(165, 243, 252);
  stroke-width: 1.5;
  fill: none;
}

/* ===== FEATURES LIST ===== */
.features-list {
  list-style: none;
  padding: 0;
  margin: 2rem 0;
  display: grid;
  gap: 1.5rem;
}

.features-list li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.checkmark {
  color: rgb(34, 197, 255);
  font-weight: 900;
  font-size: 20px;
  flex-shrink: 0;
  margin-top: -4px;
}

/* ===== MOCKUP CONTAINER ===== */
.mockup-container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
  align-items: center;
  margin: 4rem 0;
}

.mockup-image {
  background: linear-gradient(135deg, rgba(34, 197, 255, 0.1), rgba(6, 182, 212, 0.05));
  border: 1px solid rgba(34, 197, 255, 0.2);
  border-radius: 16px;
  padding: 2rem;
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.mockup-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(45deg, transparent 30%, rgba(34, 197, 255, 0.1) 50%, transparent 70%);
  animation: shimmer 3s infinite;
}

.mockup-text {
  position: relative;
  z-index: 2;
  text-align: center;
}

.mockup-label {
  font-size: 12px;
  font-weight: 600;
  color: rgba(165, 243, 252, 0.7);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ===== TESTIMONIALS ===== */
.testimonial {
  background: linear-gradient(135deg, rgba(34, 197, 255, 0.1), rgba(6, 182, 212, 0.05));
  border: 1px solid rgba(34, 197, 255, 0.2);
  border-radius: 1rem;
  padding: 2rem;
  position: relative;
}

.testimonial::before {
  content: '"';
  position: absolute;
  font-size: 4rem;
  font-weight: 900;
  color: rgba(34, 197, 255, 0.2);
  top: -10px;
  left: 10px;
}

.testimonial-text {
  font-style: italic;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 2;
}

.testimonial-author {
  font-weight: 600;
  color: rgb(165, 243, 252);
}

.testimonial-role {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
}

/* ===== COMPARISON TABLE ===== */
.comparison-table {
  width: 100%;
  margin: 2rem 0;
  border-collapse: collapse;
}

.comparison-table th,
.comparison-table td {
  padding: 1.5rem;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.comparison-table th {
  font-weight: 700;
  background: rgba(34, 197, 255, 0.05);
  color: rgb(165, 243, 252);
}

.comparison-table .check {
  color: rgb(34, 197, 255);
  font-weight: 900;
  font-size: 18px;
}

.comparison-table .cross {
  color: rgb(239, 68, 68);
  font-weight: 900;
  font-size: 18px;
}

/* ===== UTILITY CLASSES ===== */
.border-top {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 4rem;
  margin-top: 4rem;
}

.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.flex {
  display: flex;
}

.flex-wrap {
  flex-wrap: wrap;
}

.gap-4 {
  gap: 1rem;
}

.gap-8 {
  gap: 2rem;
}

.items-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

.justify-center {
  justify-content: center;
}

.mt-2 {
  margin-top: 0.5rem;
}

.mt-4 {
  margin-top: 1rem;
}

.mb-4 {
  margin-bottom: 1rem;
}

.mb-6 {
  margin-bottom: 1.5rem;
}

.mb-8 {
  margin-bottom: 2rem;
}

.pt-4 {
  padding-top: 1rem;
}

.pt-20 {
  padding-top: 5rem;
}

.pb-8 {
  padding-bottom: 2rem;
}

.relative {
  position: relative;
}

.z-2 {
  z-index: 2;
}

/* ===== FOOTER ===== */
footer {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 3rem 2.5rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: 14px;
}

footer p {
  margin-bottom: 0.5rem;
}

/* ===== HERO SECTION ===== */
.hero {
  padding-top: 12rem;
  padding-bottom: 8rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

/* ===== DETAILS (ACCORDION) ===== */
details {
  cursor: pointer;
}

details[open] summary {
  border-color: rgba(34, 197, 255, 0.3);
  background-color: rgba(34, 197, 255, 0.05);
}

summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 0.5rem;
  margin-bottom: 0.75rem;
  font-weight: 600;
  transition: all 0.3s;
}

summary:hover {
  border-color: rgba(34, 197, 255, 0.2);
  background: rgba(255, 255, 255, 0.08);
}

summary::-webkit-details-marker {
  display: none;
}

details p {
  padding: 0 1.5rem 1.5rem;
  background: rgba(255, 255, 255, 0.02);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 8rem;
  }

  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  h3 {
    font-size: 1.25rem;
  }

  section {
    padding: 4rem 1.5rem;
  }

  nav {
    flex-direction: column;
    gap: 1rem;
    height: auto;
    padding: 1rem 1.5rem;
  }

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

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

  .grid-3 {
    grid-template-columns: 1fr;
  }
}

/* ===== LINKS ===== */
a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s;
}

a:hover {
  color: rgb(165, 243, 252);
}

/* ===== FOCUS STATES ===== */
button:focus,
a:focus {
  outline: 2px solid rgb(34, 197, 255);
  outline-offset: 2px;
}

/* ===== REVEAL ON SCROLL ===== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* ===== COUNTER NUMBERS ===== */
.counter {
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

/* ===== EXTENSIVE UTILITY CLASSES ===== */

/* Text Sizes */
.text-xs { font-size: 0.75rem; line-height: 1rem; }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-base { font-size: 1rem; line-height: 1.5rem; }
.text-lg { font-size: 1.125rem; line-height: 1.75rem; }
.text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.text-2xl { font-size: 1.5rem; line-height: 2rem; }
.text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
.text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
.text-5xl { font-size: 3rem; line-height: 1.2; }
.text-6xl { font-size: 3.75rem; line-height: 1.1; }
.text-7xl { font-size: 4.5rem; line-height: 1; }

/* Font Weight */
.font-black { font-weight: 900; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }
.font-normal { font-weight: 400; }

/* Spacing - Padding */
.p-0 { padding: 0; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }
.p-12 { padding: 3rem; }
.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-8 { padding-left: 2rem; padding-right: 2rem; }
.px-10 { padding-left: 2.5rem; padding-right: 2.5rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }
.py-12 { padding-top: 3rem; padding-bottom: 3rem; }
.py-16 { padding-top: 4rem; padding-bottom: 4rem; }
.py-20 { padding-top: 5rem; padding-bottom: 5rem; }
.py-28 { padding-top: 7rem; padding-bottom: 7rem; }
.py-32 { padding-top: 8rem; padding-bottom: 8rem; }
.pb-8 { padding-bottom: 2rem; }
.pt-4 { padding-top: 1rem; }
.pt-6 { padding-top: 1.5rem; }
.pt-20 { padding-top: 5rem; }

/* Spacing - Margin */
.m-0 { margin: 0; }
.m-2 { margin: 0.5rem; }
.m-4 { margin: 1rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-16 { margin-bottom: 4rem; }
.mb-20 { margin-bottom: 5rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }

/* Spacing - Gap */
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.gap-16 { gap: 4rem; }

/* Border Radius */
.rounded { border-radius: 0.375rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-2xl { border-radius: 1rem; }
.rounded-3xl { border-radius: 1.5rem; }
.rounded-full { border-radius: 9999px; }

/* Border */
.border { border-width: 1px; }
.border-t { border-top: 1px solid rgba(255, 255, 255, 0.05); }
.border-white\/5 { border-color: rgba(255, 255, 255, 0.05); }
.border-white\/10 { border-color: rgba(255, 255, 255, 0.1); }
.border-white\/20 { border-color: rgba(255, 255, 255, 0.2); }
.border-blue-400\/30 { border-color: rgba(96, 165, 250, 0.3); }
.border-blue-500\/30 { border-color: rgba(59, 130, 246, 0.3); }
.border-amber-300\/25 { border-color: rgba(252, 191, 73, 0.25); }

/* Background */
.bg-white\/5 { background-color: rgba(255, 255, 255, 0.05); }
.bg-white\/8 { background-color: rgba(255, 255, 255, 0.08); }
.bg-white\/10 { background-color: rgba(255, 255, 255, 0.1); }
.bg-blue-600\/10 { background-color: rgba(37, 99, 235, 0.1); }
.bg-blue-600\/20 { background-color: rgba(37, 99, 235, 0.2); }
.bg-blue-500\/10 { background-color: rgba(59, 130, 246, 0.1); }
.bg-amber-500\/10 { background-color: rgba(217, 119, 6, 0.1); }
.bg-gradient-to-r { background-image: linear-gradient(to right, var(--tw-gradient-stops)); }
.bg-gradient-to-br { background-image: linear-gradient(to bottom right, var(--tw-gradient-stops)); }
.from-blue-300 { --tw-gradient-stops: rgb(147, 197, 253) var(--tw-gradient-stops); }
.from-blue-400 { --tw-gradient-stops: rgb(96, 165, 250) var(--tw-gradient-stops); }
.from-blue-500 { --tw-gradient-stops: rgb(59, 130, 246) var(--tw-gradient-stops); }
.from-blue-600 { --tw-gradient-stops: rgb(37, 99, 235) var(--tw-gradient-stops); }
.via-blue-500 { --tw-gradient-stops: rgb(59, 130, 246) var(--tw-gradient-stops); }
.to-blue-500 { --tw-gradient-stops: var(--tw-gradient-stops), rgb(59, 130, 246); }
.to-blue-600 { --tw-gradient-stops: var(--tw-gradient-stops), rgb(37, 99, 235); }
.to-blue-700 { --tw-gradient-stops: var(--tw-gradient-stops), rgb(29, 78, 216); }
.to-blue-800 { --tw-gradient-stops: var(--tw-gradient-stops), rgb(30, 58, 138); }
.to-transparent { --tw-gradient-stops: var(--tw-gradient-stops), transparent; }

/* Text Color */
.text-white { color: rgb(255, 255, 255); }
.text-white\/50 { color: rgba(255, 255, 255, 0.5); }
.text-white\/60 { color: rgba(255, 255, 255, 0.6); }
.text-white\/70 { color: rgba(255, 255, 255, 0.7); }
.text-white\/75 { color: rgba(255, 255, 255, 0.75); }
.text-blue-200 { color: rgb(191, 219, 254); }
.text-blue-300 { color: rgb(147, 197, 253); }
.text-blue-500 { color: rgb(59, 130, 246); }
.text-amber-200 { color: rgb(253, 224, 71); }
.text-center { text-align: center; }

/* Flexbox */
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-stretch { align-items: stretch; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

/* Display Grid */
.grid { display: grid; }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.md\:grid-cols-2 { --tw-grid-cols: 2; }
.md\:grid-cols-3 { --tw-grid-cols: 3; }
.md\:flex { --tw-display-flex: 1; }
.md\:hidden { --tw-display-hidden: 1; }

/* Position */
.fixed { position: fixed; }
.relative { position: relative; }
.absolute { position: absolute; }
.inset-0 { inset: 0; }
.inset-x-0 { left: 0; right: 0; }
.top-0 { top: 0; }

/* Width & Height */
.w-full { width: 100%; }
.w-px { width: 1px; }
.w-5 { width: 1.25rem; }
.h-2 { height: 0.5rem; }
.h-5 { height: 1.25rem; }
.h-10 { height: 2.5rem; }
.h-20 { height: 5rem; }
.max-w-lg { max-width: 32rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-4xl { max-width: 56rem; }
.max-w-7xl { max-width: 80rem; }
.overflow-hidden { overflow: hidden; }
.overflow-x-hidden { overflow-x: hidden; }

/* Backdrop */
.backdrop-blur { backdrop-filter: blur(16px); }
.blur-3xl { filter: blur(48px); }
.blur-80 { filter: blur(80px); }

/* Shadow */
.shadow-lg { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1); }
.shadow-2xl { box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25); }
.hover\:shadow-lg:hover { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1); }
.hover\:shadow-blue-600\/10:hover { box-shadow: 0 20px 60px rgba(37, 99, 235, 0.1); }
.hover\:shadow-blue-600\/50:hover { box-shadow: 0 20px 60px rgba(37, 99, 235, 0.5); }

/* Hover/Transition */
.transition { transition-property: all; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.hover\:translate-x-1:hover { transform: translateX(0.25rem); }
.hover\:-translate-y-2:hover { transform: translateY(-0.5rem); }
.hover\:border-blue-500\/30:hover { border-color: rgba(59, 130, 246, 0.3); }
.hover\:bg-white\/10:hover { background-color: rgba(255, 255, 255, 0.1); }
.hover\:border-white\/40:hover { border-color: rgba(255, 255, 255, 0.4); }
.hover\:bg-white\/5:hover { background-color: rgba(255, 255, 255, 0.05); }
.hover\:text-white:hover { color: rgb(255, 255, 255); }
.group:hover .group-hover\:translate-x-1 { transform: translateX(0.25rem); }

/* Animations */
.animate-fade-up {
  animation: fade-up 0.8s ease-out;
}
.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}
.animate-float {
  animation: float 6s ease-in-out infinite;
}

/* Z-index */
.z-10 { z-index: 10; }
.z-50 { z-index: 50; }
.-z-10 { z-index: -10; }

/* Pointer Events */
.pointer-events-none { pointer-events: none; }

/* Visibility */
.hidden { display: none; }
.visible { visibility: visible; }
.invisible { visibility: hidden; }
.opacity-0 { opacity: 0; }
.opacity-35 { opacity: 0.35; }

/* Min/Max */
.min-h-400 { min-height: 400px; }
.min-w-0 { min-width: 0; }

/* Screen-specific utilities */
@media (max-width: 768px) {
  .md\:flex { display: none; }
  .md\:hidden { display: none; }
  .md\:hidden:not(.hidden) { display: flex; }
}

@media (min-width: 769px) {
  .md\:flex { display: flex; }
  .md\:hidden { display: none; }
  .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
  .lg\:block { display: block; }
  .lg\:flex { display: flex; }
  .lg\:hidden { display: none; }
  .lg\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .lg\:text-5xl { font-size: 3rem; line-height: 1.2; }
  .lg\:text-7xl { font-size: 4.5rem; line-height: 1; }
  .lg\:text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
  .lg\:px-10 { padding-left: 2.5rem; padding-right: 2.5rem; }
  .lg\:py-40 { padding-top: 10rem; padding-bottom: 10rem; }
}

/* ===== ACCESSIBILITY & REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
  .orb,
  [class*="animate-"],
  [class*="drift-"] {
    animation: none !important;
  }

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

@media (max-width: 639px) {
  .orb--1 {
    width: 360px;
    height: 360px;
    left: -28%;
  }

  .orb--2 {
    width: 420px;
    height: 420px;
    right: -36%;
  }

  .orb--3 {
    width: 340px;
    height: 340px;
    left: 18%;
  }
}