/* ==========================================
   SocialDeskAI — Responsive / Mobile CSS
   Breakpoints:
     lg  → max-width: 1024px  (tablets landscape)
     md  → max-width: 768px   (tablets portrait / large phones)
     sm  → max-width: 480px   (phones)
   ========================================== */

/* ════════════════════════════════════════════
   LARGE TABLETS (≤ 1024px)
   ════════════════════════════════════════════ */
@media (max-width: 1024px) {

  /* Type scale down */
  :root {
    --display-lg: 2.8rem;
    --display-md: 2.2rem;
    --headline-lg: 1.75rem;
  }

  /* Hero: switch to single column */
  .hero .container {
    grid-template-columns: 1fr;
    gap: var(--space-12);
    text-align: center;
  }
  .hero-content > p { margin: 0 auto var(--space-8); }
  .hero-cta { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-image {
    max-width: 480px;
    margin: 0 auto;
  }

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

  /* Values / team: 2 cols */
  .values-grid,
  .stats-grid,
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Footer: 2 col */
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
  .footer-brand {
    grid-column: 1 / -1;
  }

  /* Tools page grid: 1 col */
  .tools-grid {
    grid-template-columns: 1fr;
  }

  /* Contact: 1 col */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  /* About story: 1 col */
  .story-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }
  .story-image { order: -1; }
}


/* ════════════════════════════════════════════
   TABLETS / LARGE PHONES (≤ 768px)
   ════════════════════════════════════════════ */
@media (max-width: 768px) {

  /* ── Type scale ── */
  :root {
    --display-lg: 2.2rem;
    --display-md: 1.8rem;
    --headline-lg: 1.5rem;
    --headline-md: 1.25rem;
    --title-lg:   1.125rem;
  }

  /* ── Container padding ── */
  .container {
    padding: 0 var(--space-4);
  }

  /* ── Navbar ── */
  .nav-logo {
    font-size: 1.5rem;
  }
  .nav-logo .logo-dot {
    width: 0.5rem;
    height: 0.5rem;
    margin-top: 0.35rem;
  }
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--surface-container-lowest);
    flex-direction: column;
    align-items: flex-start;
    padding: 100px var(--space-8) var(--space-8);
    gap: var(--space-2);
    box-shadow: var(--shadow-xl);
    transition: right var(--duration-normal) var(--ease-out);
    z-index: 999;
    overflow-y: auto;
  }
  .nav-menu.active {
    right: 0;
  }
  .nav-menu li {
    width: 100%;
  }
  .nav-link {
    font-size: var(--body-lg);
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--surface-container);
    width: 100%;
    display: flex;
    justify-content: space-between;
  }
  .dropdown { width: 100%; }
  .dropdown-menu,
  .dropdown:hover .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none !important;
    box-shadow: none;
    background: var(--surface-container-low);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
    margin-top: var(--space-2);
    display: none;
    left: auto;
  }
  .dropdown.open .dropdown-menu,
  .dropdown.open:hover .dropdown-menu { 
    display: block; 
  }

  .nav-actions { display: none; }
  .hamburger { display: flex; }

  /* Overlay when menu open */
  body.menu-open::before {
    content: '';
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 998;
    backdrop-filter: blur(2px);
  }

  /* ── Grids ── */
  .tips-grid { grid-template-columns: 1fr; }

  /* ── Hero ── */
  .hero {
    padding: calc(80px + var(--space-10)) 0 var(--space-12);
    min-height: auto;
  }
  .hero .container {
    gap: var(--space-8);
  }
  .hero-content h1 { font-size: 2rem; }
  .hero-content > p { font-size: var(--body-lg); }
  .hero-cta { gap: var(--space-3); }
  .hero-cta .btn-lg {
    padding: var(--space-3) var(--space-6);
    font-size: var(--body-md);
  }
  .hero-image { max-width: 360px; }

  /* Floating cards — tuck in tighter on mobile */
  .floating-card {
    padding: var(--space-2) var(--space-3);
    font-size: var(--label-md);
    gap: var(--space-2);
  }
  .card-1 { top: 5%; right: 0; }
  .card-2 { bottom: 20%; left: 0; }
  .card-3 { top: 40%; right: 0; }

  /* ── Section headers ── */
  .section-header { margin-bottom: var(--space-10); }
  .section-header h2 { font-size: var(--display-md); }
  .section-header p { font-size: var(--body-lg); }

  /* ── Platforms ── */
  .platforms-grid {
    gap: var(--space-6);
  }
  .platform-icon { font-size: 1.5rem; }

  /* ── Features ── */
  .features { padding: var(--space-16) 0; }
  .features-grid {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }
  .feature-card { padding: var(--space-5); }
  .feature-card h3 { 
    font-size: var(--title-lg); 
    text-wrap: balance; 
  }
  .feature-card p { 
    font-size: var(--body-md); 
    margin-bottom: var(--space-4); 
  }

  /* ── How it Works — stack steps vertically ── */
  .how-it-works { padding: var(--space-16) 0; }
  .steps-container {
    flex-direction: column;
    align-items: center;
    gap: var(--space-6);
  }
  .step { max-width: 100%; width: 100%; }
  .step-connector {
    width: 2px;
    height: 40px;
    margin: 0;
    background: linear-gradient(180deg, var(--primary-container), var(--tertiary-container));
  }
  .step-connector-animated::after {
    width: 2px;
    height: 0;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    animation: lineGrowVertical 1.2s cubic-bezier(0.16, 1, 0.3, 1) 0.6s forwards;
  }
  @keyframes lineGrowVertical {
    from { height: 0; }
    to   { height: 100%; }
  }

  /* ── Testimonials ── */
  .testimonials { padding: var(--space-16) 0; }
  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }
  .testimonial-card {
    padding: var(--space-5);
  }
  .testimonial-card > p {
    font-size: var(--body-md);
    margin-bottom: var(--space-4);
  }
  .testimonial-author h4 {
    font-size: var(--body-md);
  }

  /* ── CTA ── */
  .cta-section { padding: var(--space-16) 0; }
  .cta-content {
    padding: var(--space-12) var(--space-6);
  }
  .cta-content h2 { font-size: var(--headline-lg); }
  .cta-content p { font-size: var(--body-lg); }

  /* ── Footer ── */
  .footer { padding: var(--space-12) 0 var(--space-8); }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  .footer-brand { grid-column: auto; }

  /* ── Page Header (sub-pages) ── */
  .page-header { padding: calc(80px + var(--space-10)) 0 var(--space-8); }
  .page-header h1 { font-size: var(--headline-lg); }

  /* ── About Page ── */
  .about-hero { padding: calc(80px + var(--space-10)) 0 var(--space-8); }
  .about-story,
  .about-values,
  .about-stats,
  .about-team { padding: var(--space-16) 0; }
  .values-grid,
  .stats-grid,
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }
  .value-card,
  .stat-card,
  .team-card { padding: var(--space-6); }

  /* ── Contact Page ── */
  .contact-section { padding: calc(80px + var(--space-10)) 0 var(--space-12); }
  .contact-grid { gap: var(--space-8); }
  .contact-form-container { padding: var(--space-6); }
  .form-row {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  /* ── Tools Directory ── */
  .tools-section { padding: var(--space-10) 0 var(--space-16); }
  .tools-grid {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }

  /* ── Individual Tool Pages ── */
  .tool-page { padding: calc(80px + var(--space-6)) 0 var(--space-10); }
  .tool-container { padding: var(--space-5); }
  .options-grid {
    grid-template-columns: 1fr 1fr;
  }
  .results-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }
  .results-actions { flex-wrap: wrap; }
  .hashtags-stats {
    flex-wrap: wrap;
    gap: var(--space-4);
  }

  /* Virality Dashboard */
  .virality-header {
    flex-direction: column;
    gap: var(--space-5);
    text-align: center;
  }

  /* ── Blog ── */
  .blog-grid {
    grid-template-columns: 1fr !important;
  }

  /* ── Notification ── */
  .notification {
    left: var(--space-4) !important;
    right: var(--space-4) !important;
    min-width: auto !important;
    width: auto !important;
  }
}


/* ════════════════════════════════════════════
   PHONES (≤ 480px)
   ════════════════════════════════════════════ */
@media (max-width: 480px) {

  /* ── Type scale ── */
  :root {
    --display-lg: 1.875rem;
    --display-md: 1.5rem;
    --headline-lg: 1.375rem;
    --headline-md: 1.125rem;
  }

  /* ── Hero ── */
  .hero-content h1 { font-size: 1.75rem; line-height: 1.2; }
  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-cta .btn { justify-content: center; }
  .hero-stats { gap: var(--space-6); }
  
  /* ── Navbar ── */
  .nav-logo {
    font-size: 1.35rem; /* ~21.6px */
  }
  .nav-logo .logo-dot {
    width: 0.45rem;
    height: 0.45rem;
    margin-top: 0.3rem;
  }

  /* Hide floating cards on very small screens */
  .floating-card { display: none; }

  /* ── Section headers ── */
  .section-header h2 { 
    font-size: 1.6rem; 
    text-wrap: balance; /* Prevents awkward single-word widows */
  }

  /* ── Features & Testimonials ── */
  .feature-card,
  .testimonial-card { 
    padding: var(--space-4); 
  }
  .feature-card h3 {
    font-size: 1.15rem;
    margin-bottom: var(--space-2);
  }
  .feature-card p,
  .testimonial-card > p { 
    font-size: 0.95rem; 
  }

  /* ── Values / Stats / Team: 1 col ── */
  .values-grid,
  .stats-grid,
  .team-grid {
    grid-template-columns: 1fr;
  }

  /* ── CTA ── */
  .cta-content {
    padding: var(--space-10) var(--space-4);
  }
  .cta-content h2 { font-size: 1.375rem; }

  /* ── Contact form ── */
  .contact-form-container { padding: var(--space-5); }

  /* ── Tool pages ── */
  .tool-container { 
    padding: var(--space-4); 
    border-radius: var(--radius-xl);
  }
  .options-grid { grid-template-columns: 1fr; }
  .tool-header h1 { font-size: var(--headline-md); }

  /* ── Footer ── */
  .footer-grid { gap: var(--space-6); }

  /* ── Buttons ── */
  .btn-lg {
    padding: var(--space-3) var(--space-5);
    font-size: var(--body-md);
  }

  /* ── FAQ ── */
  .faq-question { padding: var(--space-4); }
  .faq-question h4 { font-size: var(--body-md); }
  .faq-answer p { padding: 0 var(--space-4) var(--space-4); }

  /* ── upload area ── */
  .upload-area { min-height: 180px; }
  .upload-content i { font-size: 2rem; }

  /* ── Virality page ── */  
  .pro-tips ul { grid-template-columns: 1fr; }
  .visual-cues-list { grid-template-columns: 1fr; }
}


/* ════════════════════════════════════════════
   TOUCH DEVICES — kill hover tilt effects
   ════════════════════════════════════════════ */
@media (hover: none) {
  .feature-card:hover,
  .testimonial-card:hover,
  .tool-card:hover,
  .value-card:hover,
  .team-card:hover {
    transform: none;
    box-shadow: none;
  }
  .cursor-glow { display: none; }
}


/* ════════════════════════════════════════════
   SAFE AREAS (iPhone notch / home indicator)
   ════════════════════════════════════════════ */
@supports (padding: max(0px)) {
  .navbar {
    padding-left: max(var(--space-6), env(safe-area-inset-left));
    padding-right: max(var(--space-6), env(safe-area-inset-right));
  }
  .footer {
    padding-bottom: max(var(--space-8), env(safe-area-inset-bottom));
  }
}