/* ============================================
   RESPONSIVE STYLES
   Leading from Within - Executive Coaching

   Mobile-First Approach
   - Base styles: Mobile (< 768px)
   - Tablet: 768px - 1024px
   - Desktop: > 1024px
   ============================================ */

/* Safe area insets for notched phones */
@supports (padding: env(safe-area-inset-top)) {
  .header {
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
  }

  .footer {
    padding-bottom: calc(var(--spacing-xl) + env(safe-area-inset-bottom));
  }
}

/* ==================
   TABLET (768px - 1024px)
   ================== */

@media (max-width: 1024px) {

  /* Container adjustments */
  .container {
    max-width: 100%;
  }

  /* About Section */
  .about__container {
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-3xl);
  }

  /* Contact Section */
  .contact__container {
    grid-template-columns: 1fr;
    gap: var(--spacing-3xl);
  }

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

  .footer__about {
    grid-column: 1 / -1;
  }
}

/* ==================
   MOBILE (< 768px)
   ================== */

@media (max-width: 768px) {

  /* Typography adjustments */
  h1 {
    font-size: var(--font-size-2xl);
  }

  h2 {
    font-size: var(--font-size-xl);
  }

  /* Spacing adjustments */
  section {
    padding-top: calc(var(--section-padding-y) * 0.7);
    padding-bottom: calc(var(--section-padding-y) * 0.7);
  }

  /* ==================
     HEADER & NAVIGATION
     ================== */

  .header__container {
    padding: 1rem var(--spacing-md);
  }

  .header--shrink .header__container {
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
  }

  .header__logo {
    font-size: 1.25rem;
  }

  .header--shrink .header__logo {
    font-size: 1.125rem;
  }

  /* Show mobile menu toggle */
  .nav__toggle {
    display: flex;
    z-index: calc(var(--z-index-modal) + 1);
  }

  /* Hide desktop navigation */
  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background-color: var(--color-white);
    box-shadow: var(--shadow-xl);
    padding: 80px var(--spacing-xl) var(--spacing-xl);
    transition: right var(--transition-speed-normal) var(--transition-ease);
    z-index: var(--z-index-modal);
    overflow-y: auto;
  }

  .nav--open {
    right: 0;
  }

  .nav__list {
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: flex-start;
  }

  .nav__link {
    font-size: 1rem !important;
    padding: var(--spacing-md) 0;
    display: block;
    width: 100%;
  }

  .header--shrink .nav__link {
    font-size: 1rem !important;
  }

  /* Mobile menu backdrop */
  .nav-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-speed-normal);
    z-index: var(--z-index-modal-backdrop);
  }

  .nav-backdrop--visible {
    opacity: 1;
    visibility: visible;
  }

  /* ==================
     HERO SECTION
     ================== */

  .hero {
    min-height: 100vh;
    min-height: 100dvh;
    padding: 80px var(--spacing-md) var(--spacing-2xl);
  }

  .hero__container {
    padding-top: var(--spacing-xl);
  }

  .hero__title {
    font-size: var(--font-size-2xl);
    line-height: 1.2;
  }

  .hero__subtitle {
    font-size: var(--font-size-base);
    line-height: 1.5;
  }

  .hero__cta {
    flex-direction: column;
    width: 100%;
    gap: var(--spacing-sm);
  }

  .hero__cta .btn {
    width: 100%;
  }

  .hero__scroll {
    display: none;
  }

  /* ==================
     ABOUT SECTION
     ================== */

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

  .about__image-wrapper {
    order: -1;
    max-width: 400px;
    margin: 0 auto;
  }

  .about__credentials {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  /* ==================
     SERVICES SECTION
     ================== */

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

  .service-card {
    padding: var(--spacing-xl);
  }

  /* ==================
     CONTACT SECTION
     ================== */

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

  .contact-form {
    padding: var(--spacing-xl);
  }

  /* ==================
     FOOTER
     ================== */

  .footer {
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
  }

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

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

  .footer__legal {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  /* ==================
     BUTTONS
     ================== */

  .btn--large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
  }
}

/* ==================
   SMALL MOBILE (< 480px)
   ================== */

@media (max-width: 480px) {

  /* Header adjustments */
  .header__container {
    padding: 0.875rem var(--spacing-sm);
  }

  .header--shrink .header__container {
    padding-top: 0.625rem;
    padding-bottom: 0.625rem;
  }

  .header__logo {
    font-size: 1.125rem;
  }

  .header--shrink .header__logo {
    font-size: 1rem;
  }

  /* Further typography adjustments */
  h1 {
    font-size: var(--font-size-xl);
  }

  h2 {
    font-size: var(--font-size-lg);
  }

  .hero__title {
    font-size: var(--font-size-xl);
  }

  .hero__subtitle {
    font-size: var(--font-size-sm);
  }

  /* Smaller padding */
  section {
    padding-top: calc(var(--section-padding-y) * 0.5);
    padding-bottom: calc(var(--section-padding-y) * 0.5);
  }

  .service-card {
    padding: var(--spacing-lg);
  }

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

  /* Button adjustments */
  .btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
  }

  /* Mobile menu narrower */
  .nav {
    width: 250px;
  }
}

/* ==================
   LANDSCAPE ORIENTATION (Mobile)
   ================== */

@media (max-width: 768px) and (orientation: landscape) {

  .hero {
    min-height: auto;
    padding: var(--spacing-4xl) var(--spacing-md);
  }

  .hero__scroll {
    display: none;
  }
}

/* ==================
   LARGE DESKTOP (> 1400px)
   ================== */

@media (min-width: 1400px) {

  .container {
    max-width: var(--container-wide);
  }

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

/* ==================
   PRINT STYLES
   ================== */

@media print {

  /* Hide non-essential elements */
  .header,
  .nav,
  .nav__toggle,
  .hero__scroll,
  .contact-form,
  .footer__social,
  .btn {
    display: none !important;
  }

  /* Adjust layout for print */
  body {
    font-size: 12pt;
    line-height: 1.5;
    color: #000;
    background: #fff;
  }

  section {
    page-break-inside: avoid;
    padding: 20pt 0;
  }

  h1, h2, h3 {
    page-break-after: avoid;
    color: #000;
  }

  a {
    text-decoration: underline;
    color: #000;
  }

  /* Show URLs after links */
  a[href^="http"]:after {
    content: " (" attr(href) ")";
    font-size: 10pt;
    color: #666;
  }

  /* Remove shadows and backgrounds */
  * {
    box-shadow: none !important;
    text-shadow: none !important;
  }

  .service-card,
  .contact-form {
    border: 1px solid #ccc;
    box-shadow: none !important;
  }
}

/* ==================
   TOUCH DEVICE OPTIMIZATIONS
   ================== */

@media (hover: none) and (pointer: coarse) {

  /* Larger touch targets */
  .btn,
  .nav__link {
    min-height: 44px;
  }

  .nav__toggle {
    min-height: 44px;
    min-width: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  /* Remove hover effects on touch devices */
  .service-card:hover {
    transform: none;
  }

  /* Make forms more touch-friendly */
  .form-input,
  .form-textarea {
    font-size: 16px; /* Prevents zoom on iOS */
    padding: var(--spacing-md) var(--spacing-lg);
  }

  /* Ensure adequate spacing for touch */
  .contact__social-link {
    min-width: 48px;
    min-height: 48px;
  }

  .footer__link {
    padding: var(--spacing-sm) 0;
  }
}

/* ==================
   HIGH CONTRAST MODE
   ================== */

@media (prefers-contrast: high) {

  :root {
    --color-primary: #0051A5;
    --color-text-primary: #000;
    --color-text-secondary: #1A1A1A;
    --border-width: 2px;
  }

  .btn {
    border-width: var(--border-width-thick);
  }

  .form-input:focus,
  .form-textarea:focus {
    border-width: 3px;
  }
}

/* ==================
   DARK MODE SUPPORT (Future Enhancement)
   ================== */

@media (prefers-color-scheme: dark) {

  /* Uncomment when ready to implement dark mode */

  /*
  :root {
    --color-bg-primary: #1A1A1A;
    --color-bg-secondary: #2D2D2D;
    --color-text-primary: #E8E8E8;
    --color-text-secondary: #B0B0B0;
    --color-gray-800: #E8E8E8;
  }

  .header,
  .contact-form,
  .service-card {
    background-color: var(--color-bg-secondary);
  }
  */
}