/* ================================================================
   RESPONSIVE UTILITIES & BREAKPOINTS
   ================================================================ */

/* ================================================================
   CONTENT CONTAINER — 200px side margins on large screens
   ================================================================ */
.content-container {
    width: 100%;
}

@media (min-width: 1024px) {
    .content-container {
        max-width: calc(100% - 100px);
        margin-left: auto;
        margin-right: auto;
    }
}

/* ================================================================
   CONTAINER QUERIES (Modern Responsive Design)
   ================================================================ */
.container-wrapper {
    container-type: inline-size;
}

@container (max-width: 400px) {
    .card-hover {
        padding: 1rem;
    }

    .section-title {
        font-size: 1.5rem;
    }
}

@container (min-width: 400px) and (max-width: 800px) {
    .card-hover {
        padding: 1.5rem;
    }

    .section-title {
        font-size: 2rem;
    }
}

/* ================================================================
   MOBILE OPTIMIZATIONS (0px - 640px)
   ================================================================ */
@media (max-width: 640px) {

    /* Navigation */
    nav {
        padding: 0.75rem 0.5rem;
    }

    .nav-link {
        font-size: 0.875rem;
    }

    /* Typography */
    h1 {
        font-size: 1.875rem;
        line-height: 2.25rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    h3 {
        font-size: 1.25rem;
    }

    p {
        font-size: 0.938rem;
    }

    /* Buttons */
    .btn-primary,
    .btn-secondary {
        width: 100%;
        padding: 0.75rem 1rem;
        font-size: 0.938rem;
    }

    /* Cards */
    .card-hover {
        padding: 1rem;
    }

    /* Features Grid */
    .grid {
        grid-template-columns: 1fr;
        row-gap: 1rem;
    }

    /* Sections */
    section {
        padding: 2rem 1rem;
    }

    /* Pricing */
    .pricing-highlight {
        transform: scale(1);
    }

    /* Testimonials */
    .testimonial-card {
        border-left-width: 3px;
        padding: 1rem;
    }

    /* Mobile Menu Adjustments */
    #mobile-menu {
        padding: 0.5rem 0;
    }

    /* Hero Section */
    .hero-content,
    .hero-image {
        animation: none !important;
    }

    /* Hide overflow on mobile */
    body {
        overflow-x: hidden;
    }
}

/* ================================================================
   TABLET OPTIMIZATIONS (641px - 1024px)
   ================================================================ */
@media (min-width: 641px) and (max-width: 1024px) {

    /* Typography */
    h1 {
        font-size: 2.25rem;
    }

    h2 {
        font-size: 1.875rem;
    }

    /* Grid Adjustments */
    .grid-cols-4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .grid-cols-3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    /* Features */
    .feature-box {
        padding: 1.5rem;
    }

    /* Sections */
    section {
        padding: 3rem 1.5rem;
    }

    /* Pricing Cards */
    .pricing-highlight {
        transform: scale(1.02);
    }
}

/* ================================================================
   DESKTOP OPTIMIZATIONS (1025px and above)
   ================================================================ */
@media (min-width: 1025px) {

    /* Full features enabled */
    .pricing-highlight {
        transform: scale(1.05);
    }

    /* Hover effects */
    .card-hover:hover {
        transform: translateY(-8px);
    }

    /* Animations */
    .float-effect {
        animation: float 3s ease-in-out infinite;
    }

    /* Detailed layouts */
    .grid-cols-4 {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .grid-cols-3 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

/* ================================================================
   LARGE DESKTOP (1280px and above)
   ================================================================ */
@media (min-width: 1280px) {
    .max-w-7xl {
        max-width: 80rem;
    }

    /* Enhanced spacing */
    section {
        padding: 4rem 2rem;
    }

    /* Larger fonts */
    h1 {
        font-size: 3.75rem;
    }

    h2 {
        font-size: 2.25rem;
    }
}

/* ================================================================
   EXTRA LARGE DESKTOP (1536px and above)
   ================================================================ */
@media (min-width: 1536px) {
    .max-w-7xl {
        max-width: 88rem;
    }

    /* Ultra wide spacing */
    section {
        padding: 5rem 3rem;
    }

    h1 {
        font-size: 4.5rem;
    }
}

/* ================================================================
   LANDSCAPE ORIENTATION (MOBILE LANDSCAPE)
   ================================================================ */
@media (max-height: 500px) and (orientation: landscape) {

    /* Reduce vertical padding on short screens */
    section {
        padding: 1.5rem 1rem;
    }

    h1 {
        font-size: 1.5rem;
    }

    .btn-primary,
    .btn-secondary {
        padding: 0.5rem 0.75rem;
        font-size: 0.75rem;
    }

    nav {
        height: 3rem;
    }
}

/* ================================================================
   PORTRAIT ORIENTATION
   ================================================================ */
@media (orientation: portrait) {
    body {
        min-height: 100vh;
    }
}

/* ================================================================
   HIGH RESOLUTION DISPLAYS (RETINA, 2x PIXEL RATIO)
   ================================================================ */
@media (-webkit-min-device-pixel-ratio: 2),
(min-resolution: 192dpi) {

    /* Thinner borders for retina */
    .card-base,
    .feature-box {
        border-width: 0.5px;
    }

    /* Smoother text rendering */
    * {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
}

/* ================================================================
   LOW POWER MODE / REDUCED MOTION
   ================================================================ */
@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}

/* ================================================================
   DARK MODE (if user prefers)
   ================================================================ */
/* Dark mode intentionally disabled - light mode is the default design */

/* ================================================================
   PRINT STYLES
   ================================================================ */
@media print {

    nav,
    footer,
    .btn-primary,
    .btn-secondary,
    .faq-item,
    .mobile-menu {
        display: none !important;
    }

    * {
        box-shadow: none !important;
        page-break-inside: avoid;
    }

    section {
        page-break-inside: avoid;
    }

    a {
        text-decoration: underline;
    }
}

/* ================================================================
   TOUCH DEVICE OPTIMIZATIONS
   ================================================================ */
@media (hover: none) and (pointer: coarse) {

    /* Increase touch target sizes */
    button,
    a,
    input,
    select,
    textarea {
        min-height: 44px;
        min-width: 44px;
    }

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

    .btn-primary:hover {
        transform: none;
    }

    /* Add active state instead */
    .card-hover:active {
        opacity: 0.9;
    }

    .btn-primary:active {
        opacity: 0.9;
    }
}

/* ================================================================
   FINE HOVER DEVICES (Mouse Support)
   ================================================================ */
@media (hover: hover) and (pointer: fine) {

    /* Enable hover effects */
    .card-hover:hover {
        transform: translateY(-8px);
    }

    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
    }

    .nav-link:hover::after {
        width: 100%;
    }
}

/* ================================================================
   ACCESSIBILITY - FOCUS STYLES
   ================================================================ */
.keyboard-nav button:focus,
.keyboard-nav a:focus {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

/* ================================================================
   RESPONSIVE TYPOGRAPHY SCALING
   ================================================================ */
html {
    font-size: clamp(14px, 2vw, 16px);
}

h1 {
    font-size: clamp(1.875rem, 5vw, 4.5rem);
    line-height: 1.2;
}

.rp-heading h1 {
    font-size: 26px;
    line-height: 1.3;
}

.lp-heading h1 {
    font-size: 22px;
    line-height: 1.3;
}

h2 {
    font-size: clamp(1.5rem, 3.5vw, 2.25rem);
    line-height: 1.3;
}

h3 {
    font-size: clamp(1.25rem, 2.5vw, 1.875rem);
    line-height: 1.4;
}

.section-title {
    font-size: clamp(1.875rem, 4vw, 4rem);
}

.section-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
}

/* ================================================================
   RESPONSIVE SPACING
   ================================================================ */
.gap-responsive {
    gap: clamp(0.5rem, 2vw, 2rem);
}

.px-responsive {
    padding-left: clamp(1rem, 2vw, 2rem);
    padding-right: clamp(1rem, 2vw, 2rem);
}

.py-responsive {
    padding-top: clamp(1rem, 3vw, 3rem);
    padding-bottom: clamp(1rem, 3vw, 3rem);
}

/* ================================================================
   RESPONSIVE IMAGES
   ================================================================ */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

picture {
    display: block;
}

.image-container {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
}

.image-container img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ================================================================
   RESPONSIVE GRID UTILITIES
   ================================================================ */
.auto-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.auto-grid-sm {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.auto-grid-lg {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

/* ================================================================
   RESPONSIVE FLEX UTILITIES
   ================================================================ */
.flex-responsive {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

@media (min-width: 768px) {
    .flex-responsive {
        flex-direction: row;
        gap: 1.5rem;
    }
}

/* ================================================================
   VISUALLY HIDDEN (Accessible)
   ================================================================ */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ================================================================
   SKIP TO CONTENT LINK
   ================================================================ */
.skip-to-content {
    position: absolute;
    top: -40px;
    left: 0;
    background: #667eea;
    color: white;
    padding: 8px;
    text-decoration: none;
    z-index: 100;
}

.skip-to-content:focus {
    top: 0;
}