/* ==========================================================================
   SERENA HEALTH - MAIN STYLESHEET
   ========================================================================== */

/* Import Design Tokens */
@import url('variables.css');
@import url('typography.css');
@import url('storefront-design-system.css');

/* ==========================================================================
   CSS RESET & BASE STYLES
   ========================================================================== */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family-body);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  min-height: 100vh;
}

/* ==========================================================================
   TYPOGRAPHY BASE
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-2);
}

h1 {
  font-size: var(--font-size-4xl);
}

h2 {
  font-size: var(--font-size-3xl);
}

h3 {
  font-size: var(--font-size-2xl);
}

h4 {
  font-size: var(--font-size-xl);
}

h5 {
  font-size: var(--font-size-lg);
}

h6 {
  font-size: var(--font-size-md);
}

p {
  margin-bottom: var(--spacing-2);
  color: var(--color-text-secondary);
}

a {
  color: var(--color-accent-purple);
  text-decoration: none;
  transition: var(--transition-colors);
}

a:hover {
  color: var(--color-accent-pink);
}

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

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.container--readable {
  max-width: var(--container-readable);
}

.container--policies {
  max-width: var(--container-policies);
}

.container--narrow {
  max-width: var(--container-narrow);
}

/* Section */
.section {
  padding-top: var(--section-padding-y);
  padding-bottom: var(--section-padding-y);
}

.section--large {
  padding-top: var(--section-padding-y-large);
  padding-bottom: var(--section-padding-y-large);
}

/* Text Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--color-text-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-tertiary { color: var(--color-text-tertiary); }
.text-inverse { color: var(--color-text-inverse); }

.text-accent-pink { color: var(--color-accent-pink); }
.text-accent-purple { color: var(--color-accent-purple); }
.text-accent-blue { color: var(--color-accent-blue); }

/* Gradient Text */
.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Font Utilities */
.font-heading { font-family: var(--font-family-heading); }
.font-body { font-family: var(--font-family-body); }
.font-label { font-family: var(--font-family-label); }

.font-normal { font-weight: var(--font-weight-normal); }
.font-medium { font-weight: var(--font-weight-medium); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold { font-weight: var(--font-weight-bold); }

/* Background Utilities */
.bg-primary { background-color: var(--color-bg-primary); }
.bg-secondary { background-color: var(--color-bg-secondary); }
.bg-tertiary { background-color: var(--color-bg-tertiary); }
.bg-gradient { background: var(--gradient-primary); }

/* Spacing Utilities */
.mt-1 { margin-top: var(--spacing-1); }
.mt-2 { margin-top: var(--spacing-2); }
.mt-3 { margin-top: var(--spacing-3); }
.mt-4 { margin-top: var(--spacing-4); }
.mt-5 { margin-top: var(--spacing-5); }

.mb-1 { margin-bottom: var(--spacing-1); }
.mb-2 { margin-bottom: var(--spacing-2); }
.mb-3 { margin-bottom: var(--spacing-3); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-5 { margin-bottom: var(--spacing-5); }

.py-1 { padding-top: var(--spacing-1); padding-bottom: var(--spacing-1); }
.py-2 { padding-top: var(--spacing-2); padding-bottom: var(--spacing-2); }
.py-3 { padding-top: var(--spacing-3); padding-bottom: var(--spacing-3); }
.py-4 { padding-top: var(--spacing-4); padding-bottom: var(--spacing-4); }
.py-5 { padding-top: var(--spacing-5); padding-bottom: var(--spacing-5); }

.px-1 { padding-left: var(--spacing-1); padding-right: var(--spacing-1); }
.px-2 { padding-left: var(--spacing-2); padding-right: var(--spacing-2); }
.px-3 { padding-left: var(--spacing-3); padding-right: var(--spacing-3); }
.px-4 { padding-left: var(--spacing-4); padding-right: var(--spacing-4); }
.px-5 { padding-left: var(--spacing-5); padding-right: var(--spacing-5); }

/* ==========================================================================
   BUTTON STYLES
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-family-label);
  font-size: 0.9375rem;
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(123, 63, 157, 0.3);
}

/* Primary Button - Gradient */
.btn--primary {
  background: var(--gradient-primary);
  color: var(--color-white);
  border-color: transparent;
}

.btn--primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(123, 63, 157, 0.3);
}

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

/* Secondary Button */
.btn--secondary {
  background-color: var(--color-white);
  color: var(--color-accent-purple);
  border: 2px solid var(--color-accent-purple);
}

.btn--secondary:hover {
  background-color: var(--color-accent-purple);
  color: var(--color-white);
}

/* Outline Button */
.btn--outline {
  background-color: transparent;
  color: var(--color-accent-purple);
  border: 2px solid var(--color-accent-purple);
}

.btn--outline:hover {
  background-color: var(--color-accent-purple);
  color: var(--color-white);
}

/* Ghost Button */
.btn--ghost {
  background-color: transparent;
  color: var(--color-accent-purple);
  border-color: transparent;
}

.btn--ghost:hover {
  background-color: rgba(123, 63, 157, 0.1);
}

/* Button Sizes */
.btn--large {
  padding: 1rem 2.25rem;
  font-size: 1rem;
}

.btn--small {
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
}

.btn--full {
  width: 100%;
}

/* ==========================================================================
   TEMPORARY PLACEHOLDER STYLES
   ========================================================================== */

#app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-4);
}

#app h1 {
  font-family: var(--font-family-heading);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-2);
}

#app p {
  font-family: var(--font-family-label);
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
}

/* ==========================================================================
   LIFESTYLE SECTION STYLES
   ========================================================================== */

.lifestyle-section {
  padding: var(--spacing-4) 0;
}

.lifestyle-visual {
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.lifestyle-image {
  width: 100%;
  height: auto;
  max-height: 400px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

@media (max-width: 768px) {
  .lifestyle-image {
    max-height: 250px;
  }
}

/* ==========================================================================
   GRADIENT SECTION TEXT OVERRIDES
   Force white text on all gradient hero/cta sections — beats global h/p rules
   ========================================================================== */

.hero-section h1,
.hero-section h2,
.hero-section h3,
.hero-section p,
.hero-section .hero-title,
.hero-section .hero-subtitle,
.cta-section h1,
.cta-section h2,
.cta-section p,
.cta-section .cta-title,
.cta-section .cta-subtitle,
.cta-section .cta-note {
  color: #ffffff !important;
}

/* ==========================================================================
   BREADCRUMB — global (category pages don't load product-page.css)
   ========================================================================== */

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.875rem;
}

.breadcrumb__item {
  display: flex;
  align-items: center;
  color: var(--color-text-secondary);
}

.breadcrumb__item:not(:last-child)::after {
  content: '/';
  margin-left: 0.5rem;
  color: var(--color-gray-300);
}

.breadcrumb__item a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.breadcrumb__item a:hover {
  color: var(--color-accent-purple);
}

.breadcrumb__item--current {
  color: var(--color-text-primary);
  font-weight: 500;
}

/* ==========================================================================
   JOURNEY STEPS — global (used on category + product pages)
   ========================================================================== */

.journey-steps {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  position: relative;
}

.journey-steps::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 40px;
  bottom: 40px;
  width: 2px;
  background: linear-gradient(
    to bottom,
    var(--color-accent-pink),
    var(--color-accent-purple),
    var(--color-accent-blue)
  );
  z-index: 0;
}

.journey-step {
  display: grid;
  grid-template-columns: 56px 1fr;
  grid-template-rows: auto auto;
  column-gap: 1.5rem;
  row-gap: 0.25rem;
  position: relative;
  z-index: 1;
  align-items: start;
}

.journey-step__number {
  grid-row: 1 / 3;
  align-self: start;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  min-width: 56px;
  font-family: var(--font-family-heading);
  font-size: 1.25rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  box-shadow: 0 2px 8px rgba(123, 63, 157, 0.3);
}

.journey-step__title {
  font-family: var(--font-family-heading);
  font-size: 1.25rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin: 0 0 0.25rem 0;
  align-self: end;
}

.journey-step__description {
  font-family: var(--font-family-body);
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin: 0;
  align-self: start;
}

.journey-timeline {
  margin-top: 2rem;
  font-size: 0.9375rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-accent-purple);
}

@media (max-width: 576px) {
  .journey-steps::before {
    left: 22px;
  }

  .journey-step {
    grid-template-columns: 44px 1fr;
    column-gap: 1rem;
  }

  .journey-step__number {
    width: 44px;
    height: 44px;
    min-width: 44px;
    font-size: 1rem;
  }
}