/* ================================================
   BUTTONS
   ================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.5rem;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  line-height: 1.25;
  border-radius: var(--radius-lg);
  border: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color var(--transition-fast), color var(--transition-fast),
    border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn:active {
  transform: scale(0.97);
}

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

.btn--primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.btn--primary:focus-visible {
  box-shadow: var(--shadow-glow);
}

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

.btn--secondary:hover {
  background-color: var(--color-primary-subtle);
}

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

.btn--white:hover {
  background-color: var(--color-gray-100);
  border-color: var(--color-gray-100);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-text-muted);
  border-color: var(--color-border);
}

.btn--ghost:hover {
  border-color: var(--color-gray-300);
  background-color: var(--color-gray-50);
}

.btn--lg {
  padding: 0.875rem 2rem;
  font-size: var(--font-size-base);
}

.btn--sm {
  padding: 0.5rem 1rem;
  font-size: var(--font-size-xs);
}

/* ================================================
   CARDS
   ================================================ */
.card {
  background-color: var(--color-gray-800);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.card__img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  display: block;
}

.card__body {
  padding: var(--space-6);
}

.card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-lg);
  background-color: var(--color-primary-subtle);
  color: var(--color-primary-dark);
  margin-bottom: var(--space-4);
  flex-shrink: 0;
}

.card__icon svg {
  width: 1.25rem;
  height: 1.25rem;
}

.card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-2);
  color: var(--color-text);
}

.card__text {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

.card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  margin-top: var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary-dark);
  transition: gap var(--transition-fast);
}

.card__link:hover {
  gap: var(--space-2);
}

.card__link::after {
  content: '\2192';
}

/* ================================================
   CATEGORY INFO WIDGET (hover on desktop, accordion on mobile)
   ================================================ */
.card.card--widget {
  position: relative;
  cursor: pointer;
  overflow: visible;
  z-index: 1;
}

.card.card--widget:hover {
  z-index: 100;
}

.card--widget .card__body {
  position: static;
  background: var(--color-gray-800);
}

.card__widget-info {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.95);
  width: 120%;
  min-width: 280px;
  max-width: 400px;
  background: var(--color-gray-800);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: 0 25px 60px -12px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(0, 0, 0, 0.05);
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all 0.2s ease;
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  color: var(--color-text);
}

/* Desktop hover - widget popup overlay */
@media (min-width: 768px) {
  .card--widget:hover .card__widget-info,
  .card--widget:focus-within .card__widget-info {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translate(-50%, -50%) scale(1);
  }
  
  .card__widget-info::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid var(--color-primary);
  }
  
  .card__widget-info p {
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    margin: 0;
  }
}

/* Accordion button base styles */
.card__accordion-toggle {
  display: none;
  width: 100%;
  padding: var(--space-3) 0;
  margin-top: var(--space-3);
  background: none;
  border: none;
  color: var(--color-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  text-align: left;
}

.card__accordion-toggle::after {
  content: ' + ';
  margin-left: var(--space-2);
}

.card--widget.is-open .card__accordion-toggle::after {
  content: ' − ';
}

/* Mobile accordion - show button on small screens */
@media (max-width: 767px) {
  .card--widget {
    overflow: hidden;
  }
  
  .card__accordion-toggle {
    display: flex !important;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--space-3) 0;
    margin-top: var(--space-3);
    background: none;
    border: none;
    color: var(--color-primary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    text-align: left;
  }
  
  .card__accordion-toggle::after {
    content: '+';
    font-size: var(--font-size-lg);
    margin-left: var(--space-2);
  }
  
  .card--widget.is-open .card__accordion-toggle::after {
    content: '−';
  }
  
  .card__widget-info {
    position: relative;
    width: 100%;
    min-width: auto;
    max-width: none;
    left: auto;
    right: auto;
    top: auto;
    transform: none;
    opacity: 0;
    visibility: hidden;
    max-height: 0;
    overflow: hidden;
    padding: 0;
    margin: 0;
    background: var(--color-gray-50);
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: none;
    transition: max-height var(--transition-base), padding var(--transition-base), opacity var(--transition-base), margin var(--transition-base);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
  }
  
  .card__widget-info::before {
    display: none !important;
  }
  
  .card--widget.is-open .card__widget-info {
    opacity: 1;
    visibility: visible;
    max-height: 500px;
    padding: var(--space-4);
    margin-top: var(--space-3);
    border: 1px solid var(--color-border);
  }
  
  .card__widget-info p {
    font-size: var(--font-size-sm);
    line-height: 1.6;
    color: var(--color-text);
    margin: 0;
  }
}

/* ================================================
   IMAGE PLACEHOLDER
   ================================================ */
.img-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-gray-100);
  color: var(--color-gray-300);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  position: relative;
}

.img-placeholder svg {
  width: 3rem;
  height: 3rem;
  opacity: 0.5;
}

.img-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.img-placeholder--hero {
  aspect-ratio: 4 / 3;
  width: 100%;
}

@media (min-width: 768px) {
  .img-placeholder--hero {
    aspect-ratio: 1 / 1;
  }
}

.img-placeholder--wide {
  aspect-ratio: 16 / 9;
  width: 100%;
}

.img-placeholder--square {
  aspect-ratio: 1 / 1;
  width: 100%;
}

/* ================================================
   HERO SECTIONS
   ================================================ */
.hero {
  position: relative;
  overflow: hidden;
  padding: var(--space-12) 0;
}

@media (min-width: 768px) {
  .hero {
    padding: var(--space-16) 0;
  }
}

@media (min-width: 1024px) {
  .hero {
    padding: var(--space-20) 0;
  }
}

.hero__grid {
  display: grid;
  gap: var(--space-10);
  align-items: center;
}

@media (min-width: 768px) {
  .hero__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
  }
}

@media (min-width: 1024px) {
  .hero__grid {
    gap: var(--space-16);
  }
}

.hero__content {
  position: relative;
  z-index: 2;
}

.hero__badge {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  background-color: var(--color-primary-subtle);
  color: var(--color-primary-dark);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-5);
  letter-spacing: var(--letter-spacing-wide);
}

.hero__title {
  margin-bottom: var(--space-5);
}

.hero__subtitle {
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  line-height: var(--line-height-relaxed);
  max-width: 32rem;
}

@media (min-width: 768px) {
  .hero__subtitle {
    font-size: var(--font-size-lg);
  }
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* Hero with video background */
.hero--video {
  min-height: 85vh;
  display: flex;
  align-items: center;
  padding: var(--space-16) 0;
}

.hero--video .hero__video-wrap {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero--video .hero__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero--video .hero__video-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  z-index: 1;
}

.hero--video .hero__container {
  position: relative;
  z-index: 2;
  width: 100%;
}

.hero--video .hero__badge {
  background-color: rgba(255, 255, 255, 0.15);
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.hero--video .hero__title {
  color: var(--color-white);
}

.hero--video .hero__subtitle {
  color: rgba(255, 255, 255, 0.85);
  max-width: 36rem;
}

/* Inner page hero (shorter) */
.hero--page {
  background-color: var(--bg-section-alt);
  padding: var(--space-10) 0;
}

@media (min-width: 768px) {
  .hero--page {
    padding: var(--space-16) 0;
  }
}

/* ================================================
   SPLIT SECTION (text + image side by side)
   ================================================ */
.split {
  display: grid;
  gap: var(--space-10);
  align-items: center;
}

@media (min-width: 768px) {
  .split {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
  }
}

@media (min-width: 1024px) {
  .split {
    gap: var(--space-16);
  }
}

.split--reverse .split__media {
  order: -1;
}

@media (min-width: 768px) {
  .split--reverse .split__media {
    order: 1;
  }
}

.split__text h2 {
  margin-bottom: var(--space-4);
}

.split__text p {
  margin-bottom: var(--space-6);
}

/* ================================================
   GRID LAYOUTS
   ================================================ */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid--2 {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .grid--2 {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
  }
}

.grid--3 {
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid--3 {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
  }
}

.grid--4 {
  grid-template-columns: repeat(2, 1fr);
}

@media (min-width: 768px) {
  .grid--4 {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-8);
  }
}

/* ================================================
   STATS
   ================================================ */
.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
  text-align: center;
}

@media (min-width: 768px) {
  .stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat__value {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat__label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ================================================
   FEATURE LIST
   ================================================ */
.feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.feature-list__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-5);
  background-color: var(--color-gray-800);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
}

.feature-list__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-lg);
  background-color: var(--color-primary-subtle);
  color: var(--color-primary-dark);
  flex-shrink: 0;
}

.feature-list__icon svg {
  width: 1.25rem;
  height: 1.25rem;
}

.feature-list__title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.feature-list__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: var(--line-height-relaxed);
}

/* ================================================
   FORMS
   ================================================ */
.form-group {
  margin-bottom: var(--space-5);
}

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

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.75rem var(--space-4);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background-color: var(--color-gray-800);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-subtle);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-gray-400);
}

.form-textarea {
  min-height: 8rem;
  resize: vertical;
}

.form-error {
  font-size: var(--font-size-xs);
  color: var(--color-error);
  margin-top: var(--space-1);
}

.form-message {
  margin-bottom: var(--space-6);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
}

.form-message.form-success {
  background-color: var(--color-success-bg);
  border: 1px solid rgba(22, 163, 74, 0.2);
  color: var(--color-success);
}

.form-message.form-error {
  background-color: var(--color-error-bg);
  border: 1px solid rgba(220, 38, 38, 0.2);
  color: var(--color-error);
}

/* ================================================
   CERTIFICATE GRID
   ================================================ */
.cert-grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: repeat(2, 1fr);
}

@media (min-width: 768px) {
  .cert-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.cert-card {
  aspect-ratio: 3 / 4;
  background-color: var(--color-gray-100);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  color: var(--color-gray-400);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base);
}

.cert-card:hover {
  box-shadow: var(--shadow-md);
}

.cert-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ================================================
   GALLERY
   ================================================ */
.gallery-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
  }
}

.gallery-item {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-xl);
  overflow: hidden;
  cursor: pointer;
  background-color: var(--color-gray-100);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery-item:hover img {
  transform: scale(1.05);
}

/* ================================================
   LIGHTBOX
   ================================================ */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background-color: rgba(0, 0, 0, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.lightbox__content {
  max-width: 90vw;
  max-height: 90vh;
  position: relative;
}

.lightbox__content img {
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-md);
}

.lightbox__close {
  position: absolute;
  top: -2.5rem;
  right: 0;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  background: var(--color-gray-700);
  border: none;
  border-radius: var(--radius-md);
  color: var(--color-white);
  font-size: 1.25rem;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.lightbox__close:hover {
  background-color: var(--color-gray-600);
}

/* ================================================
   CONTACT DETAILS
   ================================================ */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.contact-info__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background-color: var(--color-primary-subtle);
  color: var(--color-primary-dark);
  border-radius: var(--radius-lg);
  flex-shrink: 0;
}

.contact-info__icon svg {
  width: 1.125rem;
  height: 1.125rem;
}

.contact-info__label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
  color: var(--color-text-light);
  margin-bottom: var(--space-1);
}

.contact-info__value {
  font-size: var(--font-size-base);
  color: var(--color-text);
}

.contact-info__value a {
  color: var(--color-primary-dark);
  transition: color var(--transition-fast);
}

.contact-info__value a:hover {
  color: var(--color-primary);
}

/* ================================================
   MAP PLACEHOLDER
   ================================================ */
.map-placeholder {
  width: 100%;
  aspect-ratio: 16 / 9;
  background-color: var(--color-gray-100);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-400);
  font-size: var(--font-size-sm);
  border: 1px solid var(--color-border);
  margin-top: var(--space-8);
}

/* ================================================
   PEPTIDE HIGHLIGHT
   ================================================ */
.highlight-box {
  background-color: var(--color-primary-bg);
  border: 1px solid rgba(91, 173, 226, 0.2);
  border-radius: var(--radius-2xl);
  padding: var(--space-8) var(--space-6);
  text-align: center;
}

@media (min-width: 768px) {
  .highlight-box {
    padding: var(--space-10) var(--space-8);
  }
}

.highlight-box__title {
  font-size: var(--font-size-2xl);
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.highlight-box__text {
  color: var(--color-text-muted);
  max-width: 32rem;
  margin: 0 auto var(--space-6);
  line-height: var(--line-height-relaxed);
}