/* ============================================
   WIN LIFE PHARMA — Reusable Components
   ============================================ */

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

.container-narrow {
  max-width: 960px;
}

.container-wide {
  max-width: 1440px;
}

.container-fluid {
  width: 100%;
  padding-inline: var(--space-4);
}

/* ── Section ── */
.section {
  padding-block: var(--section-py);
  position: relative;
}

.section--alt {
  background-color: var(--color-surface-alt);
}

.section--dark {
  background-color: var(--color-surface-dark);
  color: var(--color-text-white);
}

.section--dark h2,
.section--dark h3,
.section--dark h4 {
  color: var(--color-text-white);
}

.section--dark p {
  color: var(--color-text-on-dark);
}

/* ── Section Header ── */
.section-header {
  text-align: center;
  max-width: 720px;
  margin-inline: auto;
  margin-bottom: var(--space-16);
}

.section-header__overline {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-sub);
  font-size: var(--fs-overline);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-overline);
  text-transform: uppercase;
  color: var(--color-cta);
  margin-bottom: var(--space-4);
}

.section-header__overline::before,
.section-header__overline::after {
  content: '';
  width: 24px;
  height: 2px;
  background-color: var(--color-cta);
  border-radius: var(--radius-full);
}

.section-header__title {
  font-size: var(--fs-h2);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-tight);
  margin-bottom: var(--space-4);
}

.section-header__subtitle {
  font-size: var(--fs-body-lg);
  color: var(--color-text-secondary);
  line-height: var(--lh-relaxed);
}

.section--dark .section-header__subtitle {
  color: var(--color-text-on-dark);
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-sub);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-caption);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  padding: var(--space-3) var(--space-8);
  border-radius: var(--radius-sm);
  transition: var(--transition-base);
  cursor: pointer;
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent);
  opacity: 0;
  transition: var(--transition-base);
}

.btn:hover::after {
  opacity: 1;
}

.btn--primary {
  background: var(--gradient-cta);
  color: var(--color-text-white);
  box-shadow: var(--shadow-cta);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(220, 38, 38, 0.4);
}

.btn--secondary {
  background: transparent;
  color: var(--color-text-white);
  border-color: rgba(255, 255, 255, 0.4);
}

.btn--secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.8);
  transform: translateY(-2px);
}

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

.btn--outline:hover {
  background: var(--color-primary);
  color: var(--color-text-white);
  transform: translateY(-2px);
}

.btn--outline-red {
  background: transparent;
  color: var(--color-cta);
  border-color: var(--color-cta);
}

.btn--outline-red:hover {
  background: var(--color-cta);
  color: var(--color-text-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-cta);
}

.btn--white {
  background: var(--color-surface);
  color: var(--color-primary);
  border-color: var(--color-surface);
}

.btn--white:hover {
  background: var(--color-surface-alt);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn--lg {
  padding: var(--space-4) var(--space-10);
  font-size: var(--fs-body);
}

.btn--sm {
  padding: var(--space-2) var(--space-5);
  font-size: var(--fs-small);
}

.btn__icon {
  width: 18px;
  height: 18px;
  transition: var(--transition-base);
}

.btn:hover .btn__icon {
  transform: translateX(3px);
}

/* ── Cards ── */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-card);
  transition: var(--transition-base);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
}

.card--glass {
  background: var(--glass-bg-light);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border-light);
}

.card--bordered {
  border-left: 4px solid transparent;
}

.card--bordered:hover {
  border-left-color: var(--color-cta);
}

.card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-cta-light);
  color: var(--color-cta);
  font-size: 1.5rem;
  margin-bottom: var(--space-5);
  transition: var(--transition-base);
}

.card:hover .card__icon {
  background: var(--color-cta);
  color: var(--color-text-white);
  transform: scale(1.05);
}

.card__title {
  font-family: var(--font-sub);
  font-size: var(--fs-h4);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-3);
  color: var(--color-text-primary);
}

.card__text {
  font-size: var(--fs-caption);
  color: var(--color-text-secondary);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--space-5);
}

.card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-sub);
  font-size: var(--fs-caption);
  font-weight: var(--fw-semibold);
  color: var(--color-cta);
  transition: var(--transition-base);
}

.card__link:hover {
  gap: var(--space-3);
  color: var(--color-cta-hover);
}

.card__link svg {
  width: 16px;
  height: 16px;
  transition: var(--transition-base);
}

.card__link:hover svg {
  transform: translateX(4px);
}

/* ── Image Card ── */
.image-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  aspect-ratio: 4 / 3;
}

.image-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}

.image-card:hover .image-card__img {
  transform: scale(1.08);
}

.image-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(10, 30, 61, 0.85) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-6);
  transition: var(--transition-base);
}

.image-card:hover .image-card__overlay {
  background: linear-gradient(180deg, transparent 20%, rgba(10, 30, 61, 0.9) 100%);
}

.image-card__title {
  font-family: var(--font-sub);
  font-size: var(--fs-h4);
  font-weight: var(--fw-semibold);
  color: var(--color-text-white);
}

.image-card__subtitle {
  font-size: var(--fs-caption);
  color: var(--color-text-on-dark);
  margin-top: var(--space-1);
}

/* ── Badge / Tag ── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-wide);
}

.badge--red {
  background: var(--color-cta-light);
  color: var(--color-cta);
}

.badge--blue {
  background: rgba(37, 99, 235, 0.1);
  color: var(--color-accent-blue);
}

/* ── Form Elements ── */
.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--fs-caption);
  font-weight: var(--fw-medium);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.form-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  font-size: var(--fs-body);
  transition: var(--transition-base);
  color: var(--color-text-primary);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-accent-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.form-input::placeholder {
  color: var(--color-text-muted);
}

.form-input--dark {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.15);
  color: var(--color-text-white);
}

.form-input--dark:focus {
  border-color: var(--color-accent-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.form-input--dark::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

textarea.form-input {
  resize: vertical;
  min-height: 120px;
}

/* ── Tabs ── */
.tabs {
  display: flex;
  gap: var(--space-1);
  border-bottom: 2px solid var(--color-border);
  margin-bottom: var(--space-12);
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.tabs::-webkit-scrollbar {
  display: none;
}

.tab {
  font-family: var(--font-sub);
  font-size: var(--fs-caption);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  padding: var(--space-4) var(--space-6);
  color: var(--color-text-secondary);
  border-bottom: 3px solid transparent;
  transition: var(--transition-base);
  white-space: nowrap;
  cursor: pointer;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
  position: relative;
}

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

.tab.active {
  color: var(--color-cta);
  border-bottom-color: var(--color-cta);
}

.tab-content {
  display: none;
  animation: tabFadeIn 0.4s var(--ease-out);
}

.tab-content.active {
  display: block;
}

@keyframes tabFadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Grid Layouts ── */
.grid {
  display: grid;
  gap: var(--space-8);
}

.grid--2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

.grid--6 {
  grid-template-columns: repeat(6, 1fr);
}

/* ── Stats ── */
.stat {
  text-align: center;
}

.stat__number {
  font-family: var(--font-heading);
  font-size: var(--fs-h1);
  font-weight: var(--fw-bold);
  color: var(--color-text-white);
  line-height: 1;
}

.stat__label {
  font-size: var(--fs-caption);
  color: var(--color-text-on-dark);
  margin-top: var(--space-2);
  font-weight: var(--fw-medium);
}

/* ── Divider ── */
.divider {
  width: 60px;
  height: 3px;
  background: var(--gradient-cta);
  border-radius: var(--radius-full);
}

.divider--center {
  margin-inline: auto;
}

/* ── Utility ── */
.text-center {
  text-align: center;
}

.text-white {
  color: var(--color-text-white);
}

.text-red {
  color: var(--color-cta);
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Responsive Grid Utilities */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

@media (max-width: 992px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

.logo-white {
  filter: brightness(0) invert(1);
}

/* ============================================
   PRODUCT PAGE GRID
   ============================================ */
.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}