/* Large desktop */
@media (min-width: 1536px) {
  :root {
    --container-max: 1440px;
    --container-narrow: 1040px;
  }

  .pilmate-carousel {
    max-width: 420px;
    --pilmate-carousel-width: 420px;
    --pilmate-slide-max-height: min(68dvh, 620px);
  }
}

/* Medium desktop — compact nav */
@media (max-width: 1200px) {
  .site-header > .nav-links a {
    padding: var(--space-sm) var(--space-sm);
    font-size: var(--font-size-xs);
  }
}

/* Desktop nav drawer reset */
@media (min-width: 993px) {
  .site-header > .nav-links {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: auto;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--space-lg);
    height: 72px;
    flex-direction: row;
    align-items: center;
    justify-content: flex-end;
    transform: none;
    visibility: visible;
    pointer-events: auto;
    background: transparent;
    border: none;
    box-shadow: none;
    overflow: visible;
  }
}

/* Tablet landscape & nav drawer */
@media (max-width: 992px) {
  :root {
    --section-padding: 4rem;
    --font-size-5xl: 2.5rem;
    --font-size-4xl: 2rem;
  }

  html {
    scroll-padding-top: 72px;
  }

  section[id] {
    scroll-margin-top: 72px;
  }

  .nav-hamburger {
    display: flex;
    margin-left: auto;
  }

  .nav-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    top: 72px;
    background: rgba(26, 26, 26, 0.4);
    z-index: calc(var(--z-overlay) - 1);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--transition), visibility var(--transition);
  }

  .nav-backdrop.is-visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-lg);
    padding-bottom: calc(var(--space-lg) + env(safe-area-inset-bottom, 0px));
    background: var(--white);
    border-top: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    transition: transform var(--transition-slow), visibility var(--transition-slow);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    z-index: var(--z-overlay);
    visibility: hidden;
    pointer-events: none;
  }

  .nav-links.is-open {
    transform: translateX(0);
    visibility: visible;
    pointer-events: auto;
    touch-action: manipulation;
  }

  .site-header > .nav-links a {
    padding: var(--space-md) var(--space-lg);
    font-size: var(--font-size-base);
    border-radius: var(--radius);
    cursor: pointer;
    touch-action: manipulation;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    text-align: center;
  }

  .hero-content {
    max-width: 640px;
    margin-inline: auto;
    padding-top: var(--space-xl);
  }

  .hero-badge {
    margin-inline: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-visual {
    min-height: 360px;
  }

  .pilmate-carousel {
    --pilmate-carousel-width: clamp(280px, 72vw, 360px);
    --pilmate-slide-max-height: min(62dvh, 560px);
  }

  .pilmate-content {
    max-width: 100%;
    text-align: center;
    margin-inline: auto;
  }

  .pilmate-content .btn {
    margin-inline: auto;
  }

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

  .pilmate-showcase {
    display: flex;
    flex-direction: column;
  }

  .pilmate-content {
    order: -1;
  }

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

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

/* Tablet portrait */
@media (max-width: 768px) {
  :root {
    --section-padding: 3.5rem;
    --font-size-5xl: 2.25rem;
    --font-size-3xl: 1.625rem;
  }

  .nav-logo img {
    height: 38px;
  }

  .feature-grid,
  .feature-grid--4,
  .feature-grid--6,
  .partner-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .vision-mission-grid {
    grid-template-columns: 1fr;
  }

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

  .pilmate-carousel {
    --pilmate-carousel-width: clamp(260px, 82vw, 340px);
    --pilmate-slide-max-height: min(58dvh, 520px);
  }

  .pilmate-carousel__viewport {
    padding: var(--space-sm);
    border-radius: 1.5rem;
  }

  .floating-card {
    font-size: var(--font-size-xs);
    padding: var(--space-sm);
    max-width: calc(50% - var(--space-sm));
  }

  .floating-card-icon {
    width: 32px;
    height: 32px;
  }

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

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .contact-info .cta-banner {
    padding: var(--space-2xl) var(--space-lg);
  }
}

/* Mobile */
@media (max-width: 480px) {
  :root {
    --section-padding: 3rem;
    --font-size-5xl: 1.875rem;
    --font-size-lg: 1rem;
    --space-lg: 1.25rem;
  }

  html {
    scroll-padding-top: 64px;
  }

  section[id] {
    scroll-margin-top: 64px;
  }

  .container {
    padding-inline: var(--space-md);
  }

  .nav {
    height: 64px;
  }

  .nav-links {
    top: 64px;
  }

  .nav-backdrop {
    top: 64px;
  }

  .hero {
    padding-top: 64px;
    min-height: auto;
    padding-bottom: var(--space-3xl);
  }

  .hero-content {
    padding-top: var(--space-2xl);
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-ecosystem {
    max-width: min(320px, 100%);
  }

  .hero-center-hub {
    width: 72px;
    height: 72px;
  }

  .hero-center-hub svg,
  .hero-ecg-icon {
    width: 40px;
    height: 20px;
  }

  .floating-card {
    max-width: none;
    white-space: nowrap;
  }

  .floating-card--mobile { top: 6%; left: 2%; }
  .floating-card--pharmacy { top: 4%; right: 2%; }
  .floating-card--doctor { bottom: 14%; left: 2%; }
  .floating-card--delivery { bottom: 6%; right: 2%; }

  .feature-grid,
  .feature-grid--4,
  .feature-grid--6,
  .partner-grid {
    grid-template-columns: 1fr;
  }

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

  .section-header {
    margin-bottom: var(--space-2xl);
  }

  .section-subtitle {
    font-size: var(--font-size-base);
  }

  .pilmate-carousel {
    --pilmate-carousel-width: calc(100vw - (var(--space-md) * 2));
    --pilmate-slide-max-height: min(56dvh, 480px);
    width: 100%;
    padding-inline: 0;
  }

  .pilmate-carousel__frame {
    gap: 0;
    width: 100%;
  }

  .pilmate-carousel__viewport {
    width: 100%;
    padding: clamp(0.375rem, 1.2vw, 0.625rem);
    border-radius: clamp(1rem, 3.5vw, 1.5rem);
  }

  .pilmate-carousel__slide img {
    border-radius: clamp(0.75rem, 2.5vw, 1.25rem);
  }

  .pilmate-carousel__prev,
  .pilmate-carousel__next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    width: clamp(32px, 9vw, 36px);
    height: clamp(32px, 9vw, 36px);
    opacity: 0.95;
  }

  .pilmate-carousel__prev:hover,
  .pilmate-carousel__next:hover {
    transform: translateY(-50%);
  }

  .pilmate-carousel__prev {
    left: clamp(0.25rem, 1.5vw, 0.5rem);
  }

  .pilmate-carousel__next {
    right: clamp(0.25rem, 1.5vw, 0.5rem);
  }

  .pilmate-carousel__dots {
    margin-top: var(--space-md);
  }

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

  .vm-card,
  .partner-card {
    padding: var(--space-xl);
  }

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

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

  .form-group input,
  .form-group textarea,
  .nav-hamburger {
    min-height: 44px;
  }

  .pilmate-carousel__dot {
    position: relative;
  }

  .pilmate-carousel__dot::before {
    content: '';
    position: absolute;
    inset: -12px;
  }

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

  .page-hero {
    padding-top: calc(64px + var(--space-2xl));
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .hero-ecg-icon path,
  .hero-center-hub,
  .hero-bg__orb {
    animation: none !important;
  }
}

/* Print */
@media print {
  .site-header,
  .nav-hamburger,
  .hero-visual,
  .contact-form-card,
  .social-links,
  .btn {
    display: none !important;
  }

  .hero {
    min-height: auto;
    padding-top: 0;
  }

  .section {
    padding-block: 1rem;
    break-inside: avoid;
  }

  body {
    color: #000;
    background: #fff;
  }
}