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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  transition: background 0.3s, color 0.3s;
  -webkit-font-smoothing: antialiased;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.2s;
}

ul, ol {
  list-style: none;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea {
  font-family: inherit;
  border: none;
  outline: none;
}

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

.section {
  padding: var(--section-padding);
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  font-family: var(--font-heading);
  color: var(--text-heading);
  margin-bottom: 16px;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--accent-gradient);
  border-radius: 2px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 24px auto 0;
}

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

.bg-alt {
  background-color: var(--bg-secondary);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-full);
  font-weight: 600;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--accent-gradient);
  color: white;
  box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

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

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

.btn-outline:hover {
  background: rgba(139, 92, 246, 0.1);
  transform: translateY(-2px);
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s, transform 0.6s;
}

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

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

@media (max-width: 992px) {
  .section { padding: 70px 0; }
  .section-title { font-size: 2rem; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .section { padding: 50px 0; }
}