/* Nod Web — Components */

/* Glass card — light surface, border only */
.glass-card {
  background: #fff;
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-card);
  padding: var(--space-4);
}

/* Buttons — Apple-style pill */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  font-family: inherit;
  font-size: 17px;
  font-weight: var(--weight-semibold);
  line-height: 1;
  border: none;
  cursor: pointer;
  text-decoration: none;
  min-height: 48px;
  padding: 0 28px;
  border-radius: var(--radius-button);
  transition: opacity var(--transition-quick), transform var(--transition-quick);
}
.btn:hover { opacity: 0.88; }
.btn:active { transform: scale(0.97); opacity: 0.8; }

.btn-primary {
  background: var(--color-accent);
  color: #ffffff;
}
.btn-glass {
  background: rgba(0, 0, 0, 0.06);
  color: var(--color-label);
}
.btn-on-dark {
  background: #fff;
  color: #1D1D1F;
}
.btn-large {
  font-size: 17px;
  min-height: 52px;
  padding: 0 32px;
}

@media (max-width: 480px) {
  .btn {
    font-size: 16px;
    min-height: 48px;
    padding: 0 22px;
  }
  .btn-large {
    font-size: 16px;
    min-height: 50px;
    padding: 0 24px;
  }
}

/* Forms */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.form-label {
  font-size: var(--text-caption);
  font-weight: var(--weight-semibold);
  color: var(--color-label-secondary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.form-input,
.form-textarea,
.form-select {
  font-family: inherit;
  font-size: var(--text-body);
  color: var(--color-label);
  background: #fff;
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-input);
  padding: 14px var(--space-2);
  width: 100%;
  outline: none;
  transition: border-color var(--transition-quick);
}
.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-label-disabled);
}
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-accent);
}
.form-textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

/* Scroll reveal — visible by default; animate only with JS */
.js-ready .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms cubic-bezier(0.16, 1, 0.3, 1),
              transform 700ms cubic-bezier(0.16, 1, 0.3, 1);
}
.js-ready .reveal.visible {
  opacity: 1;
  transform: none;
}
.js-ready .reveal--delay-1 { transition-delay: 80ms; }
.js-ready .reveal--delay-2 { transition-delay: 160ms; }
.js-ready .reveal--delay-3 { transition-delay: 240ms; }
.js-ready .reveal--delay-4 { transition-delay: 320ms; }

.js-ready .reveal-blur {
  opacity: 0;
  filter: blur(10px);
  transform: translateY(16px);
  transition: opacity 800ms cubic-bezier(0.16, 1, 0.3, 1),
              filter 800ms cubic-bezier(0.16, 1, 0.3, 1),
              transform 800ms cubic-bezier(0.16, 1, 0.3, 1);
}
.js-ready .reveal-blur.visible {
  opacity: 1;
  filter: blur(0);
  transform: none;
}

/* Steps (How It Works) */
.step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: var(--space-3);
  align-items: start;
}
.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-separator);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-caption);
  font-weight: var(--weight-semibold);
  color: var(--color-label-tertiary);
}
.step-content h3 {
  font-size: var(--text-headline);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-1);
}
.step-content p {
  font-size: var(--text-subhead);
  color: var(--color-label-secondary);
  max-width: none;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 100px;
  font-size: var(--text-caption);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.03em;
}
.pill--accent {
  background: rgba(0, 122, 255, 0.1);
  color: var(--color-accent);
}