/* ==========================================================================
   Responsive Breakpoints — Kokoro Design System
   Mobile-first: 320px → 768px → 1024px → 1440px+
   ========================================================================== */

/* ---------- Tablet (max 1024px) ---------- */

@media (max-width: 1024px) {
  .discipline-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .pricing-card--featured {
    transform: scale(1);
  }

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

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

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
  }

  .footer__brand {
    grid-column: 1 / -1;
    max-width: 100%;
  }

  .hero__stats-inner {
    gap: var(--space-2xl);
  }

  .values-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  /* Inline 2-col grids */
  .grid-2-col {
    grid-template-columns: 1fr !important;
  }

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

  .grid-2-col--stats {
    grid-template-columns: 1fr 1fr !important;
  }

  .marquee__item {
    font-size: 0.9375rem;
    padding: 0 var(--space-lg);
  }

  /* Section spacing */
  .section {
    padding: var(--space-4xl) 0;
  }

  /* Testimonial badge wrap */
  .testimonial__badge {
    flex-wrap: wrap;
    font-size: 2rem;
  }
}

/* ---------- Mobile (max 768px) ---------- */

@media (max-width: 768px) {
  :root {
    --container-padding: 1.25rem;
  }

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

  /* Navbar mobile */
  .navbar__hamburger {
    display: flex;
  }

  .navbar__menu {
    display: none;
  }

  .navbar__cta-desktop {
    display: none;
  }

  .navbar__logo img {
    height: 40px;
  }

  /* Hero mobile */
  .hero {
    min-height: auto;
    padding-top: 100px;
    padding-bottom: var(--space-2xl);
  }

  .hero__headline {
    font-size: clamp(2.75rem, 12vw, 4.5rem);
  }

  .hero__subtitle {
    font-size: 0.9375rem;
  }

  .hero__stats {
    position: relative;
  }

  .hero__stats-inner {
    flex-wrap: wrap;
    gap: var(--space-md);
    justify-content: center;
    padding: var(--space-lg) var(--container-padding);
  }

  .stat {
    flex: 0 0 calc(50% - var(--space-md));
    text-align: center;
  }

  .stat__number {
    font-size: 2rem;
  }

  .stat__label {
    font-size: 0.6875rem;
  }

  /* Grids to single column */
  .discipline-grid {
    grid-template-columns: 1fr;
  }

  .discipline-card {
    min-height: 250px;
  }

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

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

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

  .values-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

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

  /* All inline grids to single column */
  .grid-2-col,
  .grid-3-col,
  .form-row {
    grid-template-columns: 1fr !important;
  }

  /* Card and post images responsive */
  .card__image {
    height: 180px;
  }

  .post-card__image {
    height: 150px;
  }

  /* Contact icon smaller */
  .contact-info__icon {
    width: 40px;
    height: 40px;
  }

  /* Section accent — values need more space */
  .section--accent .values-grid {
    gap: var(--space-md);
  }

  .section--accent .value-item {
    padding: var(--space-lg) var(--space-md);
  }

  /* Testimonial grid spacing */
  .testimonial {
    padding: var(--space-xl);
  }

  /* Section headers */
  .section__header {
    margin-bottom: var(--space-2xl);
  }

  /* Grid 2 col stats on mobile — still 2 columns */
  .grid-2-col--stats {
    grid-template-columns: 1fr 1fr !important;
    gap: var(--space-md) !important;
  }

  /* CTA buttons stack on mobile */
  .section--accent .hero__cta,
  .section--blue .hero__cta {
    flex-direction: column;
    align-items: center;
  }

  /* Footer */
  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }

  /* Schedule table scroll */
  .schedule-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .schedule {
    min-width: 600px;
  }

  /* Page header */
  .page-header {
    padding: calc(80px + var(--space-2xl)) 0 var(--space-2xl);
  }

  .page-header__number {
    font-size: 6rem;
    opacity: 0.03;
  }

  /* Cards */
  .card {
    padding: var(--space-xl);
  }

  /* Buttons */
  .btn {
    padding: 0.875rem 2rem;
  }

  .btn--large {
    padding: 1rem 2.5rem;
  }

  /* Kanji watermarks smaller on mobile */
  .kanji-watermark--hero {
    font-size: 12rem;
    opacity: 0.02;
  }

  .kanji-watermark--section {
    font-size: 8rem;
  }

  /* WhatsApp button */
  .whatsapp-float {
    width: 50px;
    height: 50px;
    bottom: var(--space-md);
    right: var(--space-md);
  }

  .whatsapp-float svg {
    width: 26px;
    height: 26px;
  }

  /* Footer social icons wrap */
  .footer__social {
    flex-wrap: wrap;
  }

  /* Pricing card text align left on mobile */
  .pricing-card {
    text-align: left;
  }

  .pricing-card__title,
  .pricing-card__price,
  .pricing-card__period {
    text-align: center;
  }

  /* Navbar close button bigger on mobile */
  .navbar__close {
    top: 1.25rem;
    right: 1.25rem;
  }

  .navbar__close svg {
    width: 36px;
    height: 36px;
  }

  /* Page header description on mobile */
  .page-header p {
    font-size: 0.9375rem;
  }

  /* Discipline card subtitle visible */
  .discipline-card__subtitle {
    font-size: 0.8125rem;
    line-height: 1.5;
  }

  /* Section blue schedule wrapper */
  .section--blue .schedule-wrapper {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    padding: var(--space-sm);
  }

  /* Belt progression wrap */
  .belt-progression {
    flex-wrap: wrap;
    justify-content: center;
  }
}

/* ---------- Small Mobile (max 480px) ---------- */

@media (max-width: 480px) {
  :root {
    --container-padding: 1rem;
  }

  .hero__headline {
    font-size: clamp(2.5rem, 16vw, 4rem);
  }

  .hero__cta {
    flex-direction: column;
  }

  .hero__cta .btn {
    width: 100%;
    text-align: center;
  }

  /* All flex button groups stack on small mobile */
  div[style*="display: flex"][style*="gap"] {
    flex-direction: column;
    align-items: stretch;
  }

  div[style*="display: flex"][style*="gap"] .btn {
    width: 100%;
    text-align: center;
  }

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

  .navbar__mobile-menu .kokoro-menu__link {
    font-size: 1.5rem;
  }

  /* Schedule table smaller on tiny screens */
  .schedule {
    min-width: 420px;
  }

  .schedule th,
  .schedule td {
    padding: var(--space-sm) 0.5rem;
    font-size: 0.8rem;
  }

  .value-item {
    padding: var(--space-lg);
  }

  .value-item__kanji {
    font-size: 3rem;
  }

  .marquee__item {
    font-size: 0.8125rem;
    padding: 0 var(--space-lg);
  }
}

/* ---------- Large Desktop (min 1440px) ---------- */

@media (min-width: 1440px) {
  .hero__headline {
    font-size: 12rem;
  }

  .discipline-card {
    min-height: 450px;
  }
}

/* ---------- Print Styles ---------- */

@media print {
  .navbar,
  .whatsapp-float,
  .sakura-container,
  .marquee {
    display: none !important;
  }

  body {
    background: white;
    color: black;
  }

  .section {
    padding: 2rem 0;
  }

  a[href]::after {
    content: ' (' attr(href) ')';
    font-size: 0.8em;
    color: #666;
  }
}