/* =============================================
   PIANO CORNER — STYLES
   Palette: sage green #bbc3a4, teal #00634d,
            olive #7e9362, dark #304254
   ============================================= */

/* ---------- RESET & BASE ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:         #bbc3a4;
  --bg-alt:     #cdd4be;
  --teal:       #00634d;
  --teal-dark:  #004d3b;
  --olive:      #7e9362;
  --dark:       #304254;
  --text:       #2a3528;
  --text-light: #4a5a47;
  --white:      #fafaf6;
  --card-bg:    rgba(255,255,255,0.55);
  --shadow:     0 4px 24px rgba(48,66,84,0.10);
  --radius:     16px;
  --radius-sm:  8px;
  --transition: 0.3s ease;
  --font-head:  'Playfair Display', Georgia, serif;
  --font-body:  'Inter', system-ui, sans-serif;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

img, video {
  display: block;
  max-width: 100%;
  height: 100%;
  object-fit: cover;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ---------- SECTION ---------- */
.section { padding: 5rem 0; }
.section--alt  { background-color: var(--bg-alt); }
.section--dark {
  background-color: var(--dark);
  color: var(--white);
}
.section--dark .section__label { color: rgba(255,255,255,0.55); }
.section--dark .section__title { color: var(--white); }
.section--dark .section__desc  { color: rgba(255,255,255,0.7); }
.section--dark .contact__info-item strong { color: rgba(255,255,255,0.9); }
.section--dark .contact__info-item p { color: rgba(255,255,255,0.55); }

.section__header { text-align: center; margin-bottom: 3rem; }

.section__label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--olive);
  margin-bottom: 0.5rem;
}

.section__title {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: var(--teal);
  line-height: 1.25;
  margin-bottom: 0.75rem;
}

.section__desc {
  color: var(--text-light);
  max-width: 560px;
  margin: 0 auto;
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: 50px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
}

.btn--primary {
  background: var(--teal);
  color: var(--white);
  border-color: var(--teal);
}
.btn--primary:hover {
  background: var(--teal-dark);
  border-color: var(--teal-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,99,77,0.35);
}

.btn--outline {
  background: transparent;
  color: var(--teal);
  border-color: var(--teal);
}
.btn--outline:hover {
  background: var(--teal);
  color: var(--white);
  transform: translateY(-2px);
}

.btn--full { width: 100%; justify-content: center; }

/* ---------- FADE-IN ANIMATION ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- HEADER / NAV ---------- */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  top: env(safe-area-inset-top, 0);
  z-index: 100;
  padding: 1rem 0;
  padding-top: calc(1rem + env(safe-area-inset-top, 0px));
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
}
.header.scrolled {
  background: rgba(187,195,164,0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 16px rgba(48,66,84,0.12);
  padding: 0.35rem 0;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-head);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--teal);
}
.logo__icon { font-size: 1.4rem; }
.logo--white { color: var(--white); }

.logo__img {
  height: 100px;
  width: 100px;
  object-fit: cover;
  border-radius: 14px;
  display: block;
  transition: height var(--transition), width var(--transition), border-radius var(--transition);
}
.header.scrolled .logo__img {
  height: 48px;
  width: 48px;
  border-radius: 8px;
}
.logo__img--footer {
  height: 52px;
  width: 52px;
  opacity: 0.85;
}
.logo__img--footer:hover { opacity: 1; }

.nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav__link {
  padding: 0.4rem 0.85rem;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
  transition: all var(--transition);
}
.nav__link:hover { color: var(--white); background: rgba(255,255,255,0.15); }

/* After scrolling — dark links on light header */
.header.scrolled .nav__link {
  color: var(--dark);
}
.header.scrolled .nav__link:hover {
  color: var(--teal);
  background: rgba(0,99,77,0.08);
}

.nav__link--cta {
  background: rgba(255,255,255,0.2);
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.5);
  padding: 0.4rem 1.2rem;
}
.nav__link--cta:hover {
  background: var(--white);
  color: var(--teal);
  border-color: var(--white);
}
.header.scrolled .nav__link--cta {
  background: var(--teal);
  color: var(--white);
  border-color: var(--teal);
}
.header.scrolled .nav__link--cta:hover {
  background: var(--teal-dark);
  color: var(--white);
}

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--teal);
  border-radius: 2px;
  transition: all var(--transition);
}
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- HERO ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(48,66,84,0.45) 0%,
    rgba(0,77,59,0.55) 60%,
    rgba(48,66,84,0.7) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 1;
  color: var(--white);
  padding: 2rem 1rem;
  max-width: 700px;
}


.hero__eyebrow {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  opacity: 0.85;
  margin-bottom: 1rem;
}

.hero__title {
  font-family: var(--font-head);
  font-size: clamp(3rem, 10vw, 6.5rem);
  line-height: 1.05;
  margin-bottom: 1rem;
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.hero__subtitle {
  font-size: clamp(1rem, 3vw, 1.35rem);
  font-weight: 300;
  opacity: 0.92;
  margin-bottom: 2.5rem;
  line-height: 1.5;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.hero__actions .btn--outline {
  color: var(--white);
  border-color: rgba(255,255,255,0.7);
}
.hero__actions .btn--outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--white);
}

/* ---------- ABOUT ---------- */
.about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about__image {
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 3/4;
  box-shadow: var(--shadow);
}

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

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

.about__features {
  margin: 1.75rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.about__features li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
}

.feature__icon { font-size: 1.1rem; width: 24px; text-align: center; }

/* ---------- FORMATS ---------- */
.formats__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.format-card {
  background: var(--card-bg);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.6);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}
.format-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(48,66,84,0.14);
}

.format-card--featured {
  background: var(--teal);
  border-color: var(--teal);
  color: var(--white);
  position: relative;
}
.format-card--featured .format-card__title { color: var(--white); }
.format-card--featured .format-card__desc  { color: rgba(255,255,255,0.85); }
.format-card--featured .format-card__list li { color: rgba(255,255,255,0.9); }
.format-card--featured .format-card__list li::before { color: rgba(255,255,255,0.7); }

.format-card__badge {
  display: inline-block;
  background: var(--olive);
  color: var(--white);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3rem 0.9rem;
  border-radius: 50px;
  margin-bottom: 1rem;
}

.format-card__icon { font-size: 2.2rem; margin-bottom: 1rem; }

.format-card__title {
  font-family: var(--font-head);
  font-size: 1.5rem;
  color: var(--teal);
  margin-bottom: 0.75rem;
}

.format-card__desc {
  color: var(--text-light);
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.format-card__list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.format-card__list li {
  font-size: 0.9rem;
  color: var(--dark);
  padding-left: 1.2rem;
  position: relative;
}
.format-card__list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--olive);
  font-weight: 700;
}

/* Subjects */
.subjects__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.subject-card {
  background: var(--card-bg);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.6);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  text-align: center;
  box-shadow: var(--shadow);
  transition: transform var(--transition);
}
.subject-card:hover { transform: translateY(-4px); }

.subject-card__icon { font-size: 2rem; margin-bottom: 0.75rem; }

.subject-card h4 {
  font-family: var(--font-head);
  font-size: 1.15rem;
  color: var(--teal);
  margin-bottom: 0.5rem;
}

.subject-card p { font-size: 0.88rem; color: var(--text-light); }

/* ---------- GALLERY ---------- */
.gallery__grid {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: none;
  gap: 0.75rem;
  padding-bottom: 0.75rem;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  cursor: grab;
}
.gallery__grid::-webkit-scrollbar { display: none; }
.gallery__grid.is-dragging { cursor: grabbing; scroll-snap-type: none; }

.gallery__item {
  flex: 0 0 22%;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  aspect-ratio: 9 / 16;
  scroll-snap-align: start;
  transition: transform var(--transition), box-shadow var(--transition);
}
.gallery__item:hover {
  transform: scale(1.02);
  box-shadow: 0 8px 32px rgba(48,66,84,0.18);
}

.gallery__item img,
.gallery__item video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery__item--video { position: relative; }

/* ---------- PRICING ---------- */
.pricing__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-items: start;
}

.price-card {
  background: var(--card-bg);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.6);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
}
.price-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(48,66,84,0.14);
}

.price-card--featured {
  background: var(--teal);
  border-color: var(--teal);
  color: var(--white);
  transform: scale(1.04);
}
.price-card--featured:hover { transform: scale(1.04) translateY(-4px); }

.price-card__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--olive);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.3rem 1rem;
  border-radius: 50px;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.price-card__header h3 {
  font-family: var(--font-head);
  font-size: 1.3rem;
  margin-bottom: 0.25rem;
}

.price-card__note {
  font-size: 0.8rem;
  opacity: 0.65;
}

.price-rows {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin: 1.5rem 0;
}

.price-row {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
}

.price-row__label {
  font-size: 1rem;
  color: var(--dark);
  white-space: nowrap;
}
.price-card--featured .price-row__label { color: rgba(255,255,255,0.85); }

.price-row__dots {
  flex: 1;
  border-bottom: 1.5px dotted rgba(48,66,84,0.25);
  margin-bottom: 4px;
}
.price-card--featured .price-row__dots { border-bottom-color: rgba(255,255,255,0.25); }

.price-row__value {
  font-family: var(--font-head);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--teal);
  white-space: nowrap;
}
.price-card--featured .price-row__value { color: var(--white); }

.price-card--featured .btn--outline {
  color: var(--white);
  border-color: rgba(255,255,255,0.6);
}
.price-card--featured .btn--outline:hover {
  background: rgba(255,255,255,0.2);
  border-color: var(--white);
}

.pricing__extra {
  margin-top: 2.5rem;
  text-align: center;
}

.pricing__extra-card {
  display: inline-flex;
  align-items: center;
  gap: 1.5rem;
  background: var(--card-bg);
  border: 1px solid rgba(255,255,255,0.6);
  border-radius: 50px;
  padding: 0.85rem 2rem;
  margin-bottom: 1rem;
}

.pricing__extra-label { font-weight: 500; color: var(--dark); }
.pricing__extra-price { font-weight: 700; color: var(--teal); font-size: 1.05rem; }

.pricing__note { font-size: 0.88rem; color: var(--text-light); }

/* ---------- REVIEWS ---------- */
.reviews__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.review-card {
  background: var(--card-bg);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.6);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: transform var(--transition);
}
.review-card:hover { transform: translateY(-3px); }

.review-card__stars {
  color: #d4a843;
  font-size: 1.1rem;
  letter-spacing: 2px;
  margin-bottom: 1rem;
}

.review-card__text {
  font-size: 0.95rem;
  color: var(--text-light);
  line-height: 1.7;
  font-style: italic;
  margin-bottom: 1.25rem;
}

.review-card__author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.review-card__name {
  font-weight: 600;
  color: var(--teal);
}

.review-card__meta {
  font-size: 0.82rem;
  color: var(--text-light);
}
.review-card__meta::before { content: '·'; margin-right: 0.5rem; }

/* ---------- CONTACT ---------- */
.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 3rem;
  align-items: stretch;
}

.contact__left {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact__map {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 340px;
  box-shadow: var(--shadow);
}
.contact__map iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: none;
}
.contact__map-link {
  position: absolute;
  bottom: 12px;
  right: 12px;
  background: rgba(255,255,255,0.92);
  color: var(--teal);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.4rem 0.85rem;
  border-radius: 50px;
  backdrop-filter: blur(4px);
  transition: background var(--transition);
}
.contact__map-link:hover { background: var(--white); }

.contact__ctas {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact__btn {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1rem 1.75rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1.05rem;
  transition: all var(--transition);
  box-shadow: var(--shadow);
}

.contact__btn--tg {
  background: #229ED9;
  color: var(--white);
}
.contact__btn--tg:hover {
  background: #1a8dc4;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(34,158,217,0.35);
}

.contact__btn--ig {
  background: linear-gradient(135deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
  color: var(--white);
}
.contact__btn--ig:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(220,39,67,0.35);
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact__info-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.contact__info-icon { font-size: 1.4rem; flex-shrink: 0; margin-top: 2px; }

.contact__map-links {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
  flex-wrap: wrap;
}

.contact__map-btn {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.25rem 0.7rem;
  border-radius: 50px;
  border: 1px solid var(--teal);
  color: var(--teal);
  transition: all var(--transition);
}
.contact__map-btn:hover {
  background: var(--teal);
  color: var(--white);
}
.section--dark .contact__map-btn {
  color: rgba(255,255,255,0.75);
  border-color: rgba(255,255,255,0.35);
}
.section--dark .contact__map-btn:hover {
  background: rgba(255,255,255,0.15);
  color: var(--white);
  border-color: rgba(255,255,255,0.7);
}

.contact__info-item strong {
  display: block;
  color: var(--teal);
  font-weight: 600;
  margin-bottom: 0.2rem;
}
.contact__info-item p { font-size: 0.9rem; color: var(--text-light); }

/* ---------- FOOTER ---------- */
.footer {
  background: #2e2318;
  padding: 2rem 0;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer .logo { color: var(--white); opacity: 0.9; }
.footer .logo:hover { opacity: 1; }

.footer__links {
  display: flex;
  gap: 1.5rem;
}
.footer__links a {
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  transition: color var(--transition);
}
.footer__links a:hover { color: var(--white); }

.footer__copy {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.45);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
  .pricing__grid { grid-template-columns: repeat(3, 1fr); }
  .price-card--featured { transform: none; }
  .price-card--featured:hover { transform: translateY(-4px); }
}

@media (max-width: 900px) {
  .about__inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .about__image { aspect-ratio: 4/3; max-height: 420px; }
  .subjects__grid { grid-template-columns: 1fr 1fr; }
  .gallery__item { flex: 0 0 28%; }
  .pricing__grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
  .reviews__grid { grid-template-columns: 1fr; }
  .contact__inner { grid-template-columns: 1fr; gap: 2rem; }
  .contact__map { min-height: 280px; }
}

@media (max-width: 768px) {
  .section { padding: 3.5rem 0; }

  .nav {
    display: none;
    position: fixed;
    top: calc(64px + env(safe-area-inset-top, 0px)); left: 0; right: 0;
    background: rgba(187,195,164,0.98);
    backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 1.5rem 1.25rem;
    gap: 0.25rem;
    border-top: 1px solid rgba(0,99,77,0.15);
  }
  .nav.open { display: flex; }
  .nav__link { width: 100%; padding: 0.75rem 1rem; border-radius: var(--radius-sm); }
  .nav__link--cta { width: 100%; justify-content: center; }

  .burger { display: flex; }

  .formats__grid { grid-template-columns: 1fr; }
  .subjects__grid { grid-template-columns: 1fr; }
  .gallery__item { flex: 0 0 60vw; }
}

@media (max-width: 480px) {
  .gallery__item { flex: 0 0 72vw; }
  .hero__actions { flex-direction: column; align-items: center; }
  .footer__inner { flex-direction: column; text-align: center; }
  .pricing__extra-card { flex-direction: column; gap: 0.25rem; }
}