:root {
  /* Brand Colors from Prototype */
  --bg-app: #0a0a0a;
  --bg-card: rgba(37, 37, 37, 0.75);
  --bg-card-solid: #252525;
  --bg-badge: rgb(48, 48, 48);

  --primary-lime: #c4ff0d;
  --primary-lime-hover: #b3e60c;

  --text-primary: #ffffff;
  --text-secondary: #a3a3a3;
  --text-inverse: #000000;

  /* Typography */
  --font-sans: 'Inter', ui-sans-serif, system-ui, -apple-system, sans-serif;

  /* Layout */
  --container-width: 1200px;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 64px;
  --spacing-3xl: 96px;

  --border-radius-pill: 9999px;
  --border-radius-card: 16px;
}

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

body {
  background-color: var(--bg-app);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Container */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: var(--border-radius-pill);
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  font-family: inherit;
}

.btn-primary {
  background-color: var(--primary-lime);
  color: var(--text-inverse);
}

.btn-primary:hover {
  background-color: var(--primary-lime-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(196, 255, 13, 0.2);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-secondary);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

.btn-large {
  padding: 14px 28px;
  font-size: 16px;
}

/* Header */
.header {
  display: flex;
  justify-content: center;
  align-items: center;
  padding-top: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo img {
  height: 32px;
  width: auto;
  display: block;
}

.logo-text {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.text-link {
  color: var(--text-secondary);
  font-size: 15px;
  transition: color 0.2s;
  text-decoration: underline;
  text-underline-offset: 4px;
}

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

.hero-footer {
  margin-top: var(--spacing-xl);
}

/* Hero Section */
.hero {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  gap: var(--spacing-2xl);
  padding-top: var(--spacing-3xl);
  padding-bottom: var(--spacing-3xl);
  min-height: calc(100vh - 100px);
  /* Center vertically minus header*/
}

.hero-content {
  max-width: 800px;
  /* Constrain width for readability now that it's centered */
}

.badge {
  display: inline-block;
  background-color: var(--bg-badge);
  color: var(--text-primary);
  padding: 6px 12px;
  border-radius: var(--border-radius-pill);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: var(--spacing-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-title {
  font-size: 40px;
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--spacing-lg);
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 56px;
  }
}

.highlight {
  color: var(--primary-lime);
}

.hero-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
  line-height: 1.6;
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 768px) {
  .hero-subtitle {
    font-size: 20px;
  }
}


.climb-alone-text {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary-lime);
  margin-bottom: var(--spacing-2xl);
}

/* Waitlist Card */
.waitlist-card {
  background-color: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius-card);
  padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-lg) var(--spacing-xl);
  backdrop-filter: blur(10px);
  text-align: left;
  max-width: 540px;
  margin: 0 auto;
}

.waitlist-card h2 {
  font-size: 20px;
  margin-bottom: var(--spacing-sm);
}

.waitlist-card #waitlist-text {
  color: var(--text-secondary);
  font-size: 15px;
  margin-bottom: var(--spacing-lg);
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

@media (min-width: 576px) {
  .input-group {
    flex-direction: row;
    gap: var(--spacing-sm);
  }
}

input[type="email"] {
  flex: 1;
  background-color: var(--bg-app);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  padding: 14px 20px;
  border-radius: var(--border-radius-pill);
  font-size: 16px;
  outline: none;
  font-family: inherit;
  transition: border-color 0.2s;
}

input[type="email"]:focus {
  border-color: var(--primary-lime);
}

input[type="email"]::placeholder {
  color: var(--text-secondary);
}

.form-feedback {
  margin-top: var(--spacing-sm);
  font-size: 14px;
  min-height: 21px;
  /* Maintain space */
  margin-bottom: 0;
}

.feedback-success {
  color: var(--primary-lime);
}

.feedback-error {
  color: #ff9500;
}

/* Extra scroll room for mobile soft keyboards */
@media (max-width: 767px) {
  .hero {
    padding-bottom: 50vh;
  }
}