/* ===== CSS Custom Properties ===== */
:root {
  --color-primary: #2D3436;
  --color-accent: #E17055;
  --color-accent-hover: #d35a40;
  --color-secondary: #FDCB6E;
  --color-bg-light: #FAFAFA;
  --color-bg-cream: #FFF9F0;
  --color-text: #2D3436;
  --color-text-light: #636E72;
  --color-white: #FFFFFF;
  --color-whatsapp: #25D366;

  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --shadow-xl: 0 12px 40px rgba(0,0,0,0.15);

  --transition: 0.3s ease;
  --transition-slow: 0.5s ease;

  --max-width: 1200px;
  --header-height: 72px;
}

/* ===== Reset & Base ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition);
}

ul, ol {
  list-style: none;
}

button {
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.6rem); }
h4 { font-size: 1.2rem; }

p {
  margin-bottom: 1rem;
  color: var(--color-text-light);
}

/* ===== Utility Classes ===== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-3xl) 0;
}

.section--cream {
  background: var(--color-bg-cream);
}

.section--light {
  background: var(--color-bg-light);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-2xl);
}

.section-header h2 {
  margin-bottom: var(--space-sm);
}

.section-header p {
  font-size: 1.1rem;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 1rem;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-white);
  box-shadow: 0 4px 15px rgba(225, 112, 85, 0.3);
}

.btn--primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(225, 112, 85, 0.4);
}

.btn--outline {
  background: transparent;
  color: var(--color-white);
  border: 2px solid var(--color-white);
}

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

.btn--outline-dark {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

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

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

.btn--whatsapp:hover {
  background: #1da851;
  transform: translateY(-2px);
}

.btn--sm {
  padding: 0.625rem 1.5rem;
  font-size: 0.9rem;
}

/* ===== Animations ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

/* ===== Header / Navigation ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  transition: all var(--transition);
}

.header--scrolled {
  background: rgba(45, 52, 54, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
  padding: 0.5rem 0;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  z-index: 1001;
}

.nav__logo img {
  height: 56px;
  width: auto;
  border-radius: var(--radius-sm);
}

.nav__logo-tagline {
  font-size: 0.8rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.8);
  font-style: italic;
  letter-spacing: 0.3px;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav__link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-white);
  position: relative;
  transition: color var(--transition);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
}

.nav__cta {
  margin-left: var(--space-sm);
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  z-index: 1001;
  padding: 0.5rem;
}

.nav__hamburger span {
  width: 24px;
  height: 2px;
  background: var(--color-white);
  transition: all var(--transition);
  border-radius: 2px;
}

.header--scrolled .nav__hamburger span {
  background: var(--color-white);
}

.nav__hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav__hamburger.active span:nth-child(2) {
  opacity: 0;
}

.nav__hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== Hero Section ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/artshows/2023/20230507_171129.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(45, 52, 54, 0.85) 0%,
    rgba(45, 52, 54, 0.6) 50%,
    rgba(225, 112, 85, 0.3) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: var(--space-2xl) var(--space-md);
  max-width: 800px;
}

.hero__headline {
  font-size: clamp(2.5rem, 6vw, 4rem);
  color: var(--color-white);
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

.hero__subheadline {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-xl);
  line-height: 1.7;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero__ctas {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-2xl);
}

.hero__badges {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
  max-width: 600px;
  margin: 0 auto;
}

.hero__badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: var(--space-sm);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.hero__badge-number {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-secondary);
  font-family: var(--font-heading);
}

.hero__badge-text {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.85);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ===== Why Choose Us ===== */
.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.feature-card {
  background: var(--color-white);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  text-align: center;
  transition: all var(--transition);
  border: 1px solid rgba(0,0,0,0.04);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.feature-card__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-md);
  background: var(--color-bg-cream);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
}

.feature-card h3 {
  margin-bottom: var(--space-xs);
}

.feature-card p {
  font-size: 0.95rem;
}

/* ===== Classes Section ===== */
.classes-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.class-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition);
  border: 1px solid rgba(0,0,0,0.04);
}

.class-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.class-card__header {
  padding: var(--space-lg) var(--space-lg) var(--space-sm);
}

.class-card__age {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--color-accent);
  color: var(--color-white);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.class-card__header h3 {
  margin-bottom: var(--space-xs);
}

.class-card__body {
  padding: 0 var(--space-lg) var(--space-lg);
}

.class-card__body p {
  margin-bottom: var(--space-sm);
}

.class-card__mediums {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: var(--space-md);
}

.class-card__medium {
  padding: 0.25rem 0.75rem;
  background: var(--color-bg-cream);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  color: var(--color-text-light);
  font-weight: 500;
}

.class-card__link {
  font-weight: 600;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.class-card__link:hover {
  gap: 0.75rem;
}

.classes-cta {
  text-align: center;
}

/* ===== How It Works ===== */
.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.step {
  text-align: center;
  padding: var(--space-lg);
  position: relative;
}

.step__number {
  width: 56px;
  height: 56px;
  background: var(--color-accent);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 700;
  margin: 0 auto var(--space-md);
  font-family: var(--font-heading);
}

.step h3 {
  margin-bottom: var(--space-xs);
}

.steps-cta {
  text-align: center;
}

/* ===== About / Teacher ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.about__image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about__image img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.about__content h2 {
  margin-bottom: var(--space-xs);
}

.about__name {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.about__credentials {
  margin-bottom: var(--space-md);
}

.about__credentials li {
  padding: 0.4rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: var(--color-text-light);
  font-size: 0.95rem;
}

.about__credentials li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  background: var(--color-secondary);
  border-radius: 50%;
}

.about__bio {
  font-size: 1rem;
  line-height: 1.8;
}

/* ===== Gallery ===== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}

.gallery-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  position: relative;
  aspect-ratio: 1;
}

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

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

.gallery-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(45, 52, 54, 0);
  transition: background var(--transition);
}

.gallery-item:hover::after {
  background: rgba(45, 52, 54, 0.2);
}

.gallery-cta {
  text-align: center;
  margin-top: var(--space-xl);
}

/* ===== Testimonials ===== */
.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.testimonial-card {
  background: var(--color-white);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  position: relative;
  border: 1px solid rgba(0,0,0,0.04);
}

.testimonial-card::before {
  content: '\201C';
  position: absolute;
  top: 1rem;
  left: 1.5rem;
  font-size: 4rem;
  font-family: var(--font-heading);
  color: var(--color-secondary);
  opacity: 0.5;
  line-height: 1;
}

.testimonial-card__text {
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: var(--space-md);
  padding-top: var(--space-lg);
  font-style: italic;
  color: var(--color-text);
}

.testimonial-card__author {
  font-weight: 600;
  color: var(--color-primary);
  font-size: 0.95rem;
}

.testimonial-card__role {
  font-size: 0.85rem;
  color: var(--color-text-light);
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid rgba(0,0,0,0.08);
}

.faq-item__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) 0;
  background: none;
  text-align: left;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-primary);
  gap: var(--space-sm);
  cursor: pointer;
}

.faq-item__question:hover {
  color: var(--color-accent);
}

.faq-item__icon {
  width: 24px;
  height: 24px;
  min-width: 24px;
  position: relative;
  transition: transform var(--transition);
}

.faq-item__icon::before,
.faq-item__icon::after {
  content: '';
  position: absolute;
  background: var(--color-primary);
  border-radius: 2px;
  transition: transform var(--transition);
}

.faq-item__icon::before {
  width: 14px;
  height: 2px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.faq-item__icon::after {
  width: 2px;
  height: 14px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.faq-item.active .faq-item__icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item__answer p {
  padding-bottom: var(--space-md);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-item.active .faq-item__answer {
  max-height: 300px;
}

/* ===== Contact Section ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
}

.contact-form {
  background: var(--color-white);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1px solid rgba(0,0,0,0.12);
  border-radius: var(--radius-md);
  background: var(--color-bg-light);
  transition: all var(--transition);
  color: var(--color-text);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(225, 112, 85, 0.1);
  background: var(--color-white);
}

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

.form-group input.error,
.form-group textarea.error,
.form-group select.error {
  border-color: #e74c3c;
}

.form-error {
  font-size: 0.8rem;
  color: #e74c3c;
  margin-top: 0.25rem;
  display: none;
}

.form-group.has-error .form-error {
  display: block;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

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

.contact-info__icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: var(--color-bg-cream);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.contact-info__text h4 {
  margin-bottom: 0.25rem;
}

.contact-info__text p {
  font-size: 0.9rem;
  margin-bottom: 0;
}

.contact-info__text a {
  color: var(--color-accent);
}

.contact-info__text a:hover {
  text-decoration: underline;
}

.contact-map {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  margin-top: var(--space-md);
}

.contact-map iframe {
  width: 100%;
  height: 250px;
  border: 0;
}

.contact-social {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.contact-social a {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-light);
  border-radius: var(--radius-md);
  font-size: 1.2rem;
  transition: all var(--transition);
}

.contact-social a:hover {
  background: var(--color-accent);
  color: var(--color-white);
  transform: translateY(-2px);
}

/* ===== Footer ===== */
.footer {
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.8);
  padding: var(--space-2xl) 0 var(--space-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer__brand h3 {
  color: var(--color-white);
  margin-bottom: var(--space-xs);
  font-size: 1.4rem;
}

.footer__brand p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

.footer__links h4 {
  color: var(--color-white);
  margin-bottom: var(--space-sm);
  font-size: 1rem;
}

.footer__links a {
  display: block;
  padding: 0.3rem 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  transition: color var(--transition);
}

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

.footer__contact p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.footer__contact a {
  color: var(--color-accent);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  text-align: center;
}

.footer__bottom p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  margin: 0;
}

.footer__social {
  display: flex;
  gap: var(--space-sm);
}

.footer__social a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.footer__social a:hover {
  background: var(--color-accent);
  transform: translateY(-2px);
}

/* ===== WhatsApp Float ===== */
.whatsapp-float {
  position: fixed;
  bottom: 90px;
  right: 20px;
  z-index: 900;
  width: 56px;
  height: 56px;
  background: var(--color-whatsapp);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
  transition: all var(--transition);
  animation: pulse 2s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}

.whatsapp-float svg {
  width: 28px;
  height: 28px;
  fill: white;
}

/* ===== Mobile Bottom Bar ===== */
.mobile-bottom-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 899;
  background: var(--color-white);
  padding: 0.75rem var(--space-md);
  box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
}

.mobile-bottom-bar .btn {
  width: 100%;
}

/* ===== Lightbox ===== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.95);
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
  opacity: 0;
  transition: opacity var(--transition);
}

.lightbox.active {
  display: flex;
  opacity: 1;
}

.lightbox__img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-md);
}

.lightbox__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  transition: background var(--transition);
}

.lightbox__close:hover {
  background: rgba(255,255,255,0.2);
}

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  transition: background var(--transition);
}

.lightbox__nav:hover {
  background: rgba(255,255,255,0.2);
}

.lightbox__nav--prev {
  left: 1rem;
}

.lightbox__nav--next {
  right: 1rem;
}

/* ===== Gallery Page ===== */
.gallery-page-hero {
  padding-top: calc(var(--header-height) + var(--space-3xl));
  padding-bottom: var(--space-2xl);
  background: var(--color-primary);
  text-align: center;
}

.gallery-page-hero h1 {
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.gallery-page-hero p {
  color: rgba(255, 255, 255, 0.8);
  max-width: 600px;
  margin: 0 auto;
}

.gallery-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: var(--space-xl);
}

.gallery-filter-btn {
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  background: var(--color-bg-light);
  color: var(--color-text-light);
  font-weight: 500;
  font-size: 0.9rem;
  transition: all var(--transition);
  cursor: pointer;
  border: 1px solid transparent;
}

.gallery-filter-btn:hover {
  background: var(--color-bg-cream);
  color: var(--color-primary);
}

.gallery-filter-btn.active {
  background: var(--color-accent);
  color: var(--color-white);
}

.gallery-full-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}

.gallery-full-grid .gallery-item {
  display: block;
}

.gallery-full-grid .gallery-item.hidden {
  display: none;
}

/* ===== Responsive ===== */
@media (min-width: 768px) {
  .hero__badges {
    grid-template-columns: repeat(4, 1fr);
  }

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

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

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

  .about-grid {
    grid-template-columns: 1fr 1.2fr;
  }

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

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

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

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

  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
  }

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

@media (min-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(4, 1fr);
  }

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

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

  .nav__hamburger {
    display: none !important;
  }

  .nav__menu {
    display: flex !important;
    position: static;
    background: none;
    flex-direction: row;
    width: auto;
    padding: 0;
    box-shadow: none;
  }

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

  .whatsapp-float {
    bottom: 30px;
  }
}

@media (max-width: 1023px) {
  .nav__hamburger {
    display: flex;
  }

  .nav__menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 350px;
    height: 100vh;
    background: var(--color-white);
    flex-direction: column;
    padding: calc(var(--header-height) + var(--space-lg)) var(--space-xl) var(--space-xl);
    box-shadow: var(--shadow-xl);
    transition: right var(--transition);
    align-items: flex-start;
    gap: 0;
    overflow-y: auto;
  }

  .nav__menu.active {
    right: 0;
  }

  .nav__menu .nav__link {
    color: var(--color-text);
    padding: var(--space-sm) 0;
    font-size: 1.1rem;
    width: 100%;
    display: block;
    border-bottom: 1px solid rgba(0,0,0,0.05);
  }

  .nav__menu .nav__cta {
    margin-left: 0;
    margin-top: var(--space-md);
  }

  .mobile-bottom-bar {
    display: block;
  }

  .whatsapp-float {
    bottom: 80px;
  }
}

@media (max-width: 480px) {
  .hero__headline {
    font-size: 2rem;
  }

  .hero__ctas .btn {
    width: 100%;
  }

  .feature-card {
    padding: var(--space-lg);
  }

  .contact-form {
    padding: var(--space-lg);
  }
}

/* ===== Gallery Page Header Fix (non-home) ===== */
.header--solid {
  background: rgba(45, 52, 54, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}