/* ==========================================================================
   Social Influence — Responsive Media Queries
   Mobile-first: base styles (375px) live in main.css
   This file layers on styles for tablet, desktop, and large desktop.
   All measurements reference CSS custom properties from variables.css.
   ========================================================================== */


/* ==========================================================================
   LANDSCAPE MOBILE  (max-width: 767px) AND (orientation: landscape)
   Reduce hero height and tighten spacing so content fits without scrolling
   on short-viewport phones in landscape mode.
   ========================================================================== */

@media (max-width: 767px) and (orientation: landscape) {

  /* Hero: cut height so the fold isn't dominated by the hero alone */
  .si-hero {
    min-height: 60vh;
    padding-top: var(--si-space-10);
    padding-bottom: var(--si-space-10);
  }

  .si-hero-title {
    font-size: var(--si-text-3xl);
  }

  .si-hero-subtitle {
    font-size: var(--si-text-base);
    margin-bottom: var(--si-space-6);
  }

  /* Tighten section padding to compress vertical rhythm */
  .si-section {
    padding-top: var(--si-space-10);
    padding-bottom: var(--si-space-10);
  }

  /* Reduce section heading margin */
  .si-section-title {
    font-size: var(--si-text-2xl);
    margin-bottom: var(--si-space-4);
  }

  .si-section-subtitle {
    margin-bottom: var(--si-space-8);
  }

  /* Keep CTA group vertical but reduce gap */
  .si-hero-cta-group {
    gap: var(--si-space-3);
  }

  /* Cards: slim down padding in landscape mobile */
  .si-card,
  .si-service-card,
  .si-pricing-card {
    padding: var(--si-space-5);
  }
}


/* ==========================================================================
   MOBILE CTA BAR  (max-width: 767px)
   Sticky bottom bar with WhatsApp CTA — only visible on small screens.
   Uses env(safe-area-inset-bottom) for devices with a home indicator.
   ========================================================================== */

@media (max-width: 767px) {

  /* ── Mobile CTA Bar ─────────────────────────────────────────────────── */
  .si-mobile-cta-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: var(--si-z-sticky);
    padding: var(--si-space-3) var(--si-space-4);
    /* Safe-area offset for notched/gesture-bar devices */
    padding-bottom: calc(var(--si-space-3) + env(safe-area-inset-bottom, 0px));
    background: var(--si-bg-secondary);
    border-top: 1px solid var(--si-border-dark);
    backdrop-filter: var(--si-glass-blur);
    -webkit-backdrop-filter: var(--si-glass-blur);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
  }

  .si-mobile-cta-bar .si-btn,
  .si-mobile-cta-bar .si-cta-whatsapp {
    width: 100%;
    max-width: 420px;
    min-height: 48px;           /* Touch-target: exceeds 44px minimum */
    justify-content: center;
    font-size: var(--si-text-base);
    font-weight: var(--si-weight-semibold);
  }

  /* WhatsApp float button: lift above the mobile CTA bar */
  .si-whatsapp-float {
    bottom: calc(80px + env(safe-area-inset-bottom, 0px));
  }

  /* Body padding so page content isn't hidden behind the bar */
  body.has-mobile-cta-bar {
    padding-bottom: calc(72px + env(safe-area-inset-bottom, 0px));
  }

  /* Hide header CTA on mobile — hamburger + mobile CTA bar suffice */
  .si-header-cta {
    display: none;
  }

  /* Mobile CTA bar: show both buttons side by side */
  .si-mobile-cta-bar {
    gap: var(--si-space-3);
  }
}


/* ==========================================================================
   TABLET  (min-width: 768px)
   Two-column layouts, desktop navigation appears, hamburger hidden.
   ========================================================================== */

@media (min-width: 768px) {

  /* ── Container ──────────────────────────────────────────────────────── */
  .si-container {
    padding-left: var(--si-space-8);
    padding-right: var(--si-space-8);
  }

  /* ── Grid System ────────────────────────────────────────────────────── */
  .si-grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }

  .si-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .si-grid-2-1 {
    grid-template-columns: 2fr 1fr;
  }

  /* ── Hero ───────────────────────────────────────────────────────────── */
  .si-hero {
    min-height: 80vh;
    padding-top: var(--si-space-24);
    padding-bottom: var(--si-space-24);
  }

  .si-hero-title {
    font-size: var(--si-text-5xl);
  }

  .si-hero-subtitle {
    font-size: var(--si-text-lg);
  }

  /* Hero CTA: horizontal at tablet */
  .si-hero-cta-group {
    flex-direction: row;
    align-items: center;
    gap: var(--si-space-4);
    flex-wrap: wrap;
    justify-content: center;
  }

  .si-hero-cta-group .si-btn {
    width: auto;
  }

  /* ── Navigation ─────────────────────────────────────────────────────── */

  /* Show the desktop nav links */
  .si-nav-links {
    display: flex;
    align-items: center;
    gap: var(--si-space-2);
    list-style: none;
    margin: 0;
    padding: 0;
  }

  /* Hide mobile controls */
  .si-hamburger {
    display: none;
  }

  .si-mobile-menu {
    display: none !important; /* Override any JS-toggled inline styles */
  }

  /* ── Sections ───────────────────────────────────────────────────────── */
  .si-section {
    padding-top: var(--si-section-py);
    padding-bottom: var(--si-section-py);
  }

  .si-section-title {
    font-size: var(--si-text-4xl);
  }

  /* ── Footer Grid ────────────────────────────────────────────────────── */
  .si-footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* ── Stats Grid ─────────────────────────────────────────────────────── */
  .si-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* ── Pricing Grid ───────────────────────────────────────────────────── */
  .si-pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* ── Case Study Grid ────────────────────────────────────────────────── */
  .si-case-study-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* ── Blog Grid ──────────────────────────────────────────────────────── */
  .si-blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* ── CTA Section — side-by-side option ─────────────────────────────── */
  /*
     When the CTA section contains both a text block and an action block
     they sit side-by-side. The modifier class .si-cta-section--split
     triggers the horizontal layout.
  */
  .si-cta-section--split .si-cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--si-space-8);
    text-align: left;
  }

  .si-cta-section--split .si-cta-content {
    flex: 1 1 auto;
  }

  .si-cta-section--split .si-cta-actions {
    flex: 0 0 auto;
  }

  /* ── WhatsApp float ─────────────────────────────────────────────────── */
  .si-whatsapp-float {
    bottom: var(--si-space-8);
    right: var(--si-space-8);
  }

  /* ── Ensure touch targets ───────────────────────────────────────────── */
  .si-btn,
  .si-nav-link,
  .si-nav-cta {
    min-height: 44px;
  }
}


/* ==========================================================================
   DESKTOP  (min-width: 1024px)
   Three-column layouts, full stat/footer grids, hover-driven dropdown nav.
   ========================================================================== */

@media (min-width: 1024px) {

  /* ── Grid System ────────────────────────────────────────────────────── */
  .si-grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .si-grid-4 {
    grid-template-columns: repeat(3, 1fr);
  }

  /* ── Hero ───────────────────────────────────────────────────────────── */
  .si-hero {
    min-height: 90vh;
  }

  .si-hero-title {
    font-size: var(--si-text-hero);
  }

  /* Hero CTA group: horizontal row of buttons */
  .si-hero-cta-group {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: var(--si-space-4);
    flex-wrap: wrap;
  }

  /* ── Navigation Dropdown ────────────────────────────────────────────── */
  /*
     Dropdown menus are hidden by default and revealed on hover.
     The .si-nav-item--has-dropdown class marks parent items.
  */
  .si-nav-item--has-dropdown {
    position: relative;
  }

  .si-nav-dropdown {
    display: block;             /* Override any mobile hide */
    position: absolute;
    top: calc(100% + var(--si-space-2));
    left: 50%;
    transform: translateX(-50%);
    min-width: 220px;
    background: var(--si-bg-card);
    border: 1px solid var(--si-border-dark);
    border-radius: var(--si-radius-md);
    box-shadow: var(--si-shadow-dark-lg);
    padding: var(--si-space-2) 0;
    z-index: var(--si-z-dropdown);

    /* Hidden state — use opacity/pointer-events so CSS transitions work */
    opacity: 0;
    pointer-events: none;
    transform: translateX(-50%) translateY(-6px);
    transition:
      opacity var(--si-transition-base),
      transform var(--si-transition-base);
  }

  .si-nav-item--has-dropdown:hover .si-nav-dropdown,
  .si-nav-item--has-dropdown:focus-within .si-nav-dropdown {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
  }

  .si-nav-dropdown-item,
  .si-nav-dropdown li a {
    display: flex;
    align-items: center;
    padding: var(--si-space-3) var(--si-space-5);
    color: var(--si-text-light);
    text-decoration: none;
    font-size: var(--si-text-sm);
    font-weight: var(--si-weight-medium);
    transition: background var(--si-transition-fast), color var(--si-transition-fast);
    white-space: nowrap;
    min-height: 44px;           /* Touch-target compliance */
  }

  .si-nav-dropdown-item:hover,
  .si-nav-dropdown-item:focus,
  .si-nav-dropdown li a:hover,
  .si-nav-dropdown li a:focus {
    background: var(--si-accent-subtle);
    color: var(--si-accent-light);
    outline: none;
  }

  /* Indicator arrow on the parent link */
  .si-nav-link--parent::after {
    content: '';
    display: inline-block;
    width: 0;
    height: 0;
    margin-left: var(--si-space-2);
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid currentColor;
    vertical-align: middle;
    transition: transform var(--si-transition-base);
  }

  .si-nav-item--has-dropdown:hover .si-nav-link--parent::after {
    transform: rotate(180deg);
  }

  /* ── Service Cards — horizontal layout option ───────────────────────── */
  /*
     .si-service-card--horizontal switches to a side-by-side icon + text
     layout at desktop widths where horizontal space is available.
  */
  .si-service-card--horizontal {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: var(--si-space-6);
  }

  .si-service-card--horizontal .si-service-icon {
    flex: 0 0 auto;
  }

  .si-service-card--horizontal .si-service-body {
    flex: 1 1 auto;
  }

  /* ── Footer Grid ────────────────────────────────────────────────────── */
  .si-footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  }

  .si-footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }

  /* ── Stats Grid ─────────────────────────────────────────────────────── */
  .si-stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  /* ── Pricing Grid ───────────────────────────────────────────────────── */
  .si-pricing-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* ── Case Study Grid ────────────────────────────────────────────────── */
  .si-case-study-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* ── Blog Grid ──────────────────────────────────────────────────────── */
  .si-blog-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* ── Section typography ─────────────────────────────────────────────── */
  .si-section-title {
    font-size: var(--si-text-5xl);
  }

  /* ── WhatsApp float: comfortable desktop position ───────────────────── */
  .si-whatsapp-float {
    bottom: var(--si-space-10);
    right: var(--si-space-10);
    width: 60px;
    height: 60px;
  }
}


/* ==========================================================================
   LARGE DESKTOP  (min-width: 1440px)
   Full four-column grids, wider container padding, generous whitespace,
   elevated typography scale.
   ========================================================================== */

@media (min-width: 1440px) {

  /* ── Container ──────────────────────────────────────────────────────── */
  .si-container {
    padding-left: var(--si-space-12);
    padding-right: var(--si-space-12);
  }

  /* ── Grid System ────────────────────────────────────────────────────── */
  .si-grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }

  /* ── Section Spacing ────────────────────────────────────────────────── */
  .si-section {
    padding-top: var(--si-space-32);
    padding-bottom: var(--si-space-32);
  }

  /* ── Typography Scale ───────────────────────────────────────────────── */
  /*
     At 1440px+ the fluid clamp values in variables.css have plateaued,
     so we push key display sizes beyond the clamp upper bound.
  */
  .si-hero-title {
    font-size: 5rem;           /* 80px — grand statement at wide viewport */
    letter-spacing: var(--si-tracking-tight);
  }

  .si-section-title {
    font-size: var(--si-text-6xl);
  }

  .si-section-subtitle {
    font-size: var(--si-text-xl);
    max-width: 680px;
  }

  /* Stat numbers deserve more visual impact at large desktop */
  .si-stat-number {
    font-size: 4rem;
  }

  /* Card heading bump */
  .si-card-title,
  .si-service-title,
  .si-pricing-title {
    font-size: var(--si-text-2xl);
  }

  /* ── Hero padding ───────────────────────────────────────────────────── */
  .si-hero {
    padding-top: var(--si-space-32);
    padding-bottom: var(--si-space-32);
  }

  /* ── More generous card padding ─────────────────────────────────────── */
  .si-card,
  .si-service-card,
  .si-pricing-card,
  .si-blog-card {
    padding: var(--si-space-10);
  }

  /* ── Gap between grid items ─────────────────────────────────────────── */
  .si-grid-2,
  .si-grid-3,
  .si-grid-4 {
    gap: var(--si-space-8);
  }

  /* ── WhatsApp float: larger comfortable click area ──────────────────── */
  .si-whatsapp-float {
    bottom: var(--si-space-12);
    right: var(--si-space-12);
    width: 64px;
    height: 64px;
  }
}


/* ==========================================================================
   PRINT  @media print
   Strip decorative chrome; render clean black-on-white for printing.
   ========================================================================== */

@media print {

  /* ── Reset colors to black on white ────────────────────────────────── */
  *,
  *::before,
  *::after {
    background: #fff !important;
    color: #000 !important;
    box-shadow: none !important;
    text-shadow: none !important;
    filter: none !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }

  /* ── Hide non-content elements ──────────────────────────────────────── */
  .si-nav,
  .si-header,
  .si-footer,
  .si-whatsapp-float,
  .si-mobile-cta-bar,
  .si-mobile-menu,
  .si-hamburger,
  .si-cookie-banner,
  .si-back-to-top,
  .si-scroll-indicator,
  .si-breadcrumb,

  /* Animated / decorative elements */
  .si-particle,
  .si-floating-element,
  .si-glow,
  .si-blob,
  .si-gradient-overlay,
  .si-bg-dots,
  .si-bg-grid,

  /* Interactive UI elements */
  .si-btn--secondary,
  .si-pagination,
  .si-share-bar,
  .si-sidebar,
  [aria-label="Advertisement"] {
    display: none !important;
  }

  /* ── Disable all animations ─────────────────────────────────────────── */
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  /* ── Page layout ────────────────────────────────────────────────────── */
  body {
    font-size: 12pt;
    line-height: 1.5;
    margin: 0;
    padding: 0;
  }

  .si-container {
    max-width: 100%;
    padding: 0;
  }

  /* ── Avoid breaks inside cards ──────────────────────────────────────── */
  .si-card,
  .si-service-card,
  .si-pricing-card,
  .si-blog-card,
  .si-case-study-card,
  .si-stat-item,
  figure,
  img {
    break-inside: avoid;
    page-break-inside: avoid;
  }

  /* ── Headings: keep with their content ──────────────────────────────── */
  h1, h2, h3, h4, h5, h6 {
    break-after: avoid;
    page-break-after: avoid;
    orphans: 3;
    widows: 3;
  }

  /* ── Show link URLs after anchor text ──────────────────────────────── */
  a[href]::after {
    content: ' (' attr(href) ')';
    font-size: 0.8em;
    color: #444 !important;
    word-break: break-all;
  }

  /* But skip mailto/tel/hash/javascript links */
  a[href^="#"]::after,
  a[href^="tel:"]::after,
  a[href^="mailto:"]::after,
  a[href^="javascript:"]::after {
    content: '';
  }

  /* ── Section padding collapses for print ────────────────────────────── */
  .si-section {
    padding-top: 1.5rem;
    padding-bottom: 1.5rem;
  }

  /* ── Hero simplification ────────────────────────────────────────────── */
  .si-hero {
    min-height: 0;
    padding-top: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid #ccc;
  }

  /* ── Grids collapse to single column ────────────────────────────────── */
  .si-grid-2,
  .si-grid-3,
  .si-grid-4 {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  /* ── Stats inline for print ─────────────────────────────────────────── */
  .si-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* ── Pricing: show all plans side by side on a single page ─────────── */
  .si-pricing-grid {
    grid-template-columns: repeat(3, 1fr);
    font-size: 10pt;
  }

  /* ── Images ─────────────────────────────────────────────────────────── */
  img {
    max-width: 100% !important;
    height: auto !important;
  }

  /* ── Borders for readability ─────────────────────────────────────────── */
  .si-card,
  .si-service-card,
  .si-pricing-card {
    border: 1px solid #ccc !important;
    padding: 0.75rem;
    margin-bottom: 1rem;
  }
}


/* ==========================================================================
   REDUCED MOTION  (prefers-reduced-motion: reduce)
   Disable motion-driven animations for accessibility.
   Note: transition variables are zeroed in variables.css; this rule
   eliminates any keyframe animations not covered by those variables.
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {

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

  /* Keep elements visible that normally fade/slide in */
  [data-aos],
  .si-animate,
  .si-fade-in,
  .si-slide-up,
  .si-slide-in {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .si-whatsapp-float {
    animation: none !important;
  }
}


/* ==========================================================================
   HIGH CONTRAST  (prefers-contrast: more)
   Boost border and text contrast for users who need it.
   ========================================================================== */

@media (prefers-contrast: more) {

  .si-card,
  .si-service-card,
  .si-pricing-card,
  .si-blog-card {
    border-width: 2px;
    border-color: rgba(255, 255, 255, 0.3);
  }

  .si-case-study-card {
    border: 2px solid rgba(255, 255, 255, 0.3);
  }

  .si-nav-link,
  .si-nav-dropdown-item {
    text-decoration: underline;
  }

  .si-btn {
    outline: 2px solid currentColor;
    outline-offset: 2px;
  }

  /* Ensure muted text still meets WCAG AA */
  .si-text-muted,
  .si-section-subtitle,
  .si-card-meta {
    color: var(--si-text-light);
  }
}