/* Responsive Design System - Mobile First */

/* Large Desktop (1400px and up) */
@media (min-width: 87.5rem) {
    .container {
        max-width: 1320px;
    }
    
    .hero__title {
        font-size: var(--font-size-6xl);
    }
    
    .hero__grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-12);
    }
    
    .frameworks__grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .cta-panel__content {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
    
    .toolkit-panel__content {
        gap: var(--space-8);
    }
    
    .email-capture {
        padding: var(--space-24) 0;
    }
}

/* Desktop (1200px to 1399px) */
@media (min-width: 75rem) and (max-width: 87.49rem) {
    .hero__grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-10);
    }
    
    .frameworks__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cta-panel__content {
        flex-direction: row;
        justify-content: space-between;
        align-items: flex-start;
        gap: var(--space-8);
    }
    
    .footer__content {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

/* Tablet Large (992px to 1199px) */
@media (min-width: 62rem) and (max-width: 74.99rem) {
    .hero__grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-8);
    }
    
    .hero__title {
        font-size: var(--font-size-4xl);
    }
    
    .panel__content {
        padding: var(--space-6) var(--space-8);
    }
    
    .frameworks__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cta-panel__content {
        flex-direction: row;
        justify-content: space-between;
        align-items: flex-start;
        gap: var(--space-6);
    }
}

/* Tablet (768px to 991px) */
@media (min-width: 48rem) and (max-width: 61.99rem) {
    .nav__menu {
        display: none;
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: rgba(11, 11, 14, 0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding: var(--space-8);
        gap: var(--space-6);
    }
    
    .nav__menu.show {
        display: flex;
    }
    
    .nav__toggle {
        display: flex;
    }
    
    .nav__actions .btn:first-child {
        display: none;
    }
    
    .hero {
        padding: var(--space-12) 0 var(--space-10);
    }
    
    .hero__title {
        font-size: var(--font-size-4xl);
    }
    
    .hero__description {
        font-size: var(--font-size-base);
    }
    
    .hero__grid {
        gap: var(--space-8);
    }
    
    .panel__content {
        padding: var(--space-6);
    }
    
    .panel__header {
        flex-direction: column;
        text-align: center;
        gap: var(--space-4);
    }
    
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-2);
    }
    
    .frameworks__grid {
        grid-template-columns: 1fr;
        gap: var(--space-3);
    }
    
    .frameworks {
        padding: var(--space-10) 0 var(--space-12);
    }
    
    .cta-panel__content {
        text-align: center;
        align-items: center;
    }
    
    .toolkit-panel__content {
        flex-direction: column;
        text-align: center;
        gap: var(--space-6);
    }
    
    .email-capture {
        padding: var(--space-16) 0;
    }
    
    .email-capture__header {
        margin-bottom: var(--space-10);
    }
}

/* Mobile Large (576px to 767px) */
@media (min-width: 36rem) and (max-width: 47.99rem) {
    .container {
        padding: 0 var(--space-4);
    }
    
    .nav__menu {
        display: none;
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: rgba(11, 11, 14, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding: var(--space-8);
        gap: var(--space-6);
    }
    
    .nav__menu.show {
        display: flex;
    }
    
    .nav__toggle {
        display: flex;
    }
    
    .nav__actions .btn:first-child {
        display: none;
    }
    
    .hero {
        padding: var(--space-10) 0 var(--space-8);
    }
    
    .hero__title {
        font-size: var(--font-size-3xl);
        line-height: 1.1;
    }
    
    .hero__description {
        font-size: var(--font-size-base);
        line-height: 1.6;
    }
    
    .hero__actions {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-3);
    }
    
    .hero__actions .btn {
        justify-content: center;
        text-align: center;
    }
    
    .hero__social-proof {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-3);
    }
    
    .social-proof__logos {
        flex-wrap: wrap;
    }
    
    .panel__content {
        padding: var(--space-5);
    }
    
    .panel__header {
        flex-direction: column;
        text-align: center;
        gap: var(--space-4);
    }
    
    .panel__icon {
        width: 72px;
        height: 72px;
    }
    
    .panel__icon svg {
        width: 36px;
        height: 36px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--space-3);
    }
    
    .frameworks {
        padding: var(--space-8) 0 var(--space-10);
    }
    
    .section__title {
        font-size: var(--font-size-2xl);
    }
    
    .frameworks__grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    
    .feature-card {
        padding: var(--space-4);
    }
    
    .cta-panel__content {
        padding: var(--space-6);
        text-align: center;
        align-items: center;
    }
    
    .cta-panel__actions {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-3);
        width: 100%;
    }
    
    .cta-panel__actions .btn {
        justify-content: center;
    }
}

/* Mobile (480px to 575px) */
@media (min-width: 30rem) and (max-width: 35.99rem) {
    .container {
        padding: 0 var(--space-4);
    }
    
    .nav {
        height: 60px;
        padding: 0 var(--space-4);
    }
    
    .nav__logo {
        height: 36px;
    }
    
    .nav__menu {
        display: none;
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: rgba(11, 11, 14, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding: var(--space-6);
        gap: var(--space-5);
    }
    
    .nav__menu.show {
        display: flex;
    }
    
    .nav__toggle {
        display: flex;
        padding: var(--space-1);
    }
    
    .nav__toggle span {
        width: 20px;
    }
    
    .nav__actions {
        gap: var(--space-2);
    }
    
    .nav__actions .btn:first-child {
        display: none;
    }
    
    .nav__actions .btn {
        padding: var(--space-2) var(--space-3);
        font-size: var(--font-size-xs);
    }
    
    .hero {
        padding: var(--space-8) 0 var(--space-6);
    }
    
    .hero__title {
        font-size: var(--font-size-2xl);
        line-height: 1.2;
        margin-bottom: var(--space-4);
    }
    
    .hero__description {
        font-size: var(--font-size-sm);
        line-height: 1.5;
        margin-bottom: var(--space-6);
    }
    
    .hero__actions {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-3);
        margin-bottom: var(--space-8);
    }
    
    .hero__actions .btn {
        justify-content: center;
        padding: var(--space-3) var(--space-4);
    }
    
    .hero__social-proof {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-3);
    }
    
    .social-proof__label {
        font-size: var(--font-size-xs);
    }
    
    .panel__content {
        padding: var(--space-4);
    }
    
    .panel__header {
        flex-direction: column;
        text-align: center;
        gap: var(--space-3);
    }
    
    .panel__icon {
        width: 64px;
        height: 64px;
    }
    
    .panel__icon svg {
        width: 32px;
        height: 32px;
    }
    
    .panel__title {
        font-size: var(--font-size-lg);
    }
    
    .panel__subtitle {
        font-size: var(--font-size-xs);
        max-width: none;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--space-3);
    }
    
    .stat-card {
        padding: var(--space-4);
    }
    
    .frameworks {
        padding: var(--space-6) 0 var(--space-8);
    }
    
    .section__title {
        font-size: var(--font-size-xl);
    }
    
    .section__description {
        font-size: var(--font-size-sm);
    }
    
    .feature-card {
        padding: var(--space-4);
    }
    
    .feature-card__icon {
        width: 40px;
        height: 40px;
        margin-bottom: var(--space-3);
    }
    
    .feature-card__icon svg {
        width: 20px;
        height: 20px;
    }
    
    .feature-card__title {
        font-size: var(--font-size-sm);
    }
    
    .feature-card__description {
        font-size: var(--font-size-xs);
        margin-bottom: var(--space-3);
    }
    
    .cta-band {
        margin-top: var(--space-12);
    }
    
    .cta-panel__content {
        padding: var(--space-5);
        text-align: center;
        align-items: center;
    }
    
    .cta-panel__title {
        font-size: var(--font-size-xl);
    }
    
    .cta-panel__description {
        font-size: var(--font-size-sm);
        margin-bottom: var(--space-4);
    }
    
    .cta-panel__actions {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-3);
        width: 100%;
    }
    
    .footer {
        margin-top: var(--space-16);
    }
    
    .toolkit-panel__content {
        flex-direction: column;
        text-align: center;
        gap: var(--space-5);
        padding: var(--space-5) var(--space-6);
    }
    
    .toolkit-panel__icon {
        width: 56px;
        height: 56px;
    }
    
    .toolkit-panel__icon svg {
        width: 28px;
        height: 28px;
    }
    
    .toolkit-panel__title {
        font-size: var(--font-size-lg);
    }
    
    .toolkit-panel__description {
        font-size: var(--font-size-xs);
    }
    
    .email-capture {
        padding: var(--space-12) 0;
    }
    
    .email-capture__header {
        margin-bottom: var(--space-8);
    }
    
    .form-panel {
        min-height: 480px;
    }
    
    .form-panel__content {
        padding: var(--space-6);
    }
    
    .form-container {
        min-height: 440px;
    }
    
    .email-form-iframe {
        height: 440px;
        border: 1px solid rgba(245, 197, 66, 0.15);
        backdrop-filter: blur(8px);
    }
    
    .form-fallback__content {
        padding: var(--space-6);
    }
    
    /* Tablet iframe button styling optimization */
    .email-form-iframe {
        filter: 
            invert(1)
            hue-rotate(43deg)      /* Balanced hue for tablet: blue/teal → gold */
            contrast(1.25)
            brightness(1.12)
            saturate(1.7)
            sepia(0.22);
    }
    
    .form-iframe-wrapper:hover .email-form-iframe {
        transform: scale(1.0015);   /* Subtle tablet hover */
    }
}

/* Mobile Small (320px to 479px) */
@media (max-width: 29.99rem) {
    .container {
        padding: 0 var(--space-3);
    }
    
    .nav {
        height: 60px;
        padding: 0 var(--space-3);
    }
    
    .nav__brand {
        gap: var(--space-2);
    }
    
    .nav__logo {
        height: 32px;
    }
    
    .nav__menu {
        display: none;
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: var(--bg);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding: var(--space-5);
        gap: var(--space-4);
    }
    
    .nav__menu.show {
        display: flex;
    }
    
    .nav__toggle {
        display: flex;
        padding: var(--space-1);
    }
    
    .nav__toggle span {
        width: 18px;
        height: 2px;
    }
    
    .nav__actions {
        gap: var(--space-1);
    }
    
    .nav__actions .btn:first-child {
        display: none;
    }
    
    .nav__actions .btn {
        padding: var(--space-2);
        font-size: var(--font-size-xs);
    }
    
    .hero {
        padding: var(--space-6) 0 var(--space-5);
    }
    
    .hero__title {
        font-size: var(--font-size-xl);
        line-height: 1.3;
        margin-bottom: var(--space-3);
    }
    
    .hero__title br {
        display: none;
    }
    
    .hero__description {
        font-size: var(--font-size-sm);
        line-height: 1.5;
        margin-bottom: var(--space-5);
    }
    
    .hero__actions {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-2);
        margin-bottom: var(--space-6);
    }
    
    .hero__actions .btn {
        justify-content: center;
        padding: var(--space-3);
        font-size: var(--font-size-sm);
    }
    
    .hero__social-proof {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-2);
    }
    
    .social-proof__label {
        font-size: var(--font-size-xs);
    }
    
    .social-proof__logos {
        gap: var(--space-2);
        flex-wrap: wrap;
    }
    
    .logo-chip {
        padding: var(--space-1) var(--space-2);
        font-size: 10px;
    }
    
    .panel__content {
        padding: var(--space-3);
    }
    
    .panel__header {
        flex-direction: column;
        text-align: center;
        gap: var(--space-3);
    }
    
    .panel__icon {
        width: 56px;
        height: 56px;
    }
    
    .panel__icon svg {
        width: 28px;
        height: 28px;
    }
    
    .panel__title {
        font-size: var(--font-size-base);
    }
    
    .panel__subtitle {
        font-size: var(--font-size-xs);
        line-height: 1.4;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2);
    }
    
    .stat-card {
        padding: var(--space-3);
    }
    
    .stat-card__value {
        font-size: var(--font-size-base);
    }
    
    .frameworks {
        padding: var(--space-5) 0 var(--space-6);
    }
    
    .section__title {
        font-size: var(--font-size-lg);
        line-height: 1.3;
    }
    
    .section__description {
        font-size: var(--font-size-xs);
        line-height: 1.5;
    }
    
    .frameworks__grid {
        gap: var(--space-3);
    }
    
    .feature-card {
        padding: var(--space-3);
    }
    
    .feature-card__icon {
        width: 36px;
        height: 36px;
        margin-bottom: var(--space-2);
    }
    
    .feature-card__icon svg {
        width: 18px;
        height: 18px;
    }
    
    .feature-card__title {
        font-size: var(--font-size-sm);
        margin-bottom: var(--space-1);
    }
    
    .feature-card__description {
        font-size: var(--font-size-xs);
        line-height: 1.4;
        margin-bottom: var(--space-2);
    }
    
    .feature-card__action {
        gap: var(--space-1);
    }
    
    .feature-card__tag {
        font-size: 10px;
    }
    
    .feature-card__arrow {
        width: 12px;
        height: 12px;
    }
    
    .cta-band {
        margin-top: var(--space-10);
    }
    
    .cta-panel__content {
        padding: var(--space-4);
        text-align: center;
        align-items: center;
    }
    
    .cta-panel__title {
        font-size: var(--font-size-lg);
    }
    
    .cta-panel__description {
        font-size: var(--font-size-xs);
        margin-bottom: var(--space-3);
    }
    
    .cta-panel__actions {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-2);
        width: 100%;
    }
    
    .cta-panel__actions .btn {
        padding: var(--space-3);
        font-size: var(--font-size-sm);
    }
    
    .footer {
        margin-top: var(--space-12);
    }
    
    .footer__content {
        text-align: center;
        align-items: center;
    }
    
    .footer__text {
        font-size: var(--font-size-xs);
    }
    
    .footer__links {
        gap: var(--space-4);
    }
    
    .footer__link {
        font-size: var(--font-size-xs);
    }
    
    .toolkit-callout {
        margin: var(--space-6) 0;
    }
    
    .toolkit-panel__content {
        flex-direction: column;
        text-align: center;
        gap: var(--space-4);
        padding: var(--space-4) var(--space-5);
    }
    
    .toolkit-panel__icon {
        width: 48px;
        height: 48px;
    }
    
    .toolkit-panel__icon svg {
        width: 24px;
        height: 24px;
    }
    
    .toolkit-panel__title {
        font-size: var(--font-size-base);
    }
    
    .toolkit-panel__description {
        font-size: var(--font-size-xs);
        line-height: 1.4;
    }
    
    .email-capture {
        padding: var(--space-10) 0;
    }
    
    .email-capture__header {
        margin-bottom: var(--space-6);
    }
    
    .form-panel {
        min-height: 460px;
    }
    
    .form-panel__content {
        padding: var(--space-6);
    }
    
    .form-container {
        min-height: 420px;
    }
    
    .form-iframe-wrapper {
        max-width: 100%;
        border-radius: var(--border-radius);
    }
    
    .email-form-iframe {
        height: 420px;
        border-radius: var(--border-radius);
    }
    
    .form-loading__spinner {
        width: 48px;
        height: 48px;
    }
    
    .form-loading__text {
        font-size: var(--font-size-base);
    }
    
    .form-fallback__content {
        padding: var(--space-8);
    }
    
    .form-fallback__title {
        font-size: var(--font-size-xl);
    }
    
    .form-fallback__text {
        font-size: var(--font-size-base);
    }
    
    /* Enhanced mobile iframe and button styling */
    .email-form-iframe {
        /* Improved mobile styling with better integration */
        height: 400px;
        border: 1px solid rgba(245, 197, 66, 0.1);
        background: rgba(18, 18, 23, 0.3);
        backdrop-filter: blur(6px);
        box-shadow: 
            0 4px 16px rgba(0, 0, 0, 0.3),
            inset 0 1px 0 rgba(255, 255, 255, 0.03);
        filter: 
            invert(1)
            hue-rotate(42deg)      /* Mobile hue: blue/teal → gold */
            contrast(1.15)
            brightness(1.08)
            saturate(1.5)
            sepia(0.18);
    }
    
    .form-iframe-wrapper:hover .email-form-iframe {
        transform: scale(1.001);   /* Reduced scale for mobile */
    }
}

/* Mobile Navigation Toggle States */
.nav__toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav__toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav__toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .float {
        animation: none;
    }
    
    .hero-gradient {
        animation: none;
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .panel {
        border-color: rgba(255, 255, 255, 0.2);
    }
    
    .feature-card {
        border-color: rgba(255, 255, 255, 0.15);
    }
    
    .btn--outline-gold {
        border-color: var(--gold);
    }
}

/* Dark Mode Override (ensure dark theme) */
@media (prefers-color-scheme: light) {
    body {
        background-color: var(--bg);
        color: var(--text-secondary);
    }
}

/* Mobile Responsive Styles for New Sections */
@media (max-width: 768px) {
    /* Solutions Section */
    .solutions-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    
    .solution-card__content {
        padding: var(--space-6);
    }
    
    /* Pricing Section */
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    
    .pricing-card--featured {
        transform: none;
        order: -1;
    }
    
    .pricing-card--featured:hover {
        transform: translateY(-4px);
    }
    
    .pricing-card__content {
        padding: var(--space-6);
    }
    
    .contact-actions {
        gap: var(--space-3);
    }
    
    /* Case Studies Section */
    .case-studies-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    
    .case-study__header {
        flex-direction: column;
        gap: var(--space-4);
        align-items: flex-start;
    }
    
    .case-study__metrics {
        text-align: left;
    }
    
    .case-study__content {
        padding: var(--space-6);
    }
    
    /* Resources Section */
    .resources-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    
    .resource-category__content {
        padding: var(--space-6);
    }
    
    /* Contact Section */
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }
    
    .contact-methods {
        gap: var(--space-6);
    }
    
    .contact-panel__content {
        padding: var(--space-6);
    }
}

/* Hover Support Detection */
@media (hover: none) {
    .feature-card:hover,
    .nav__brand:hover,
    .btn--red:hover,
    .btn--outline-gold:hover {
        transform: none;
        filter: none;
    }
    
    .feature-card:hover .feature-card__icon {
        color: var(--gold);
    }
    
    .nav__brand:hover .nav__logo {
        transform: none;
    }
}

/* Print Styles */
@media print {
    .hero-gradient,
    .nav__toggle,
    .nav__actions,
    .hero__actions,
    .cta-panel__actions {
        display: none;
    }
    
    .header {
        position: static;
        background: white;
        color: black;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .hero__title,
    .section__title,
    .panel__title,
    .feature-card__title {
        color: black;
    }
}

/* Focus Styles for Accessibility */
.nav__link:focus,
.btn:focus,
.nav__toggle:focus,
.feature-card:focus {
    outline: 2px solid var(--gold);
    outline-offset: 2px;
}

/* Loading States */
.loading .float {
    animation-play-state: paused;
}

/* High DPI Display Optimization */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .nav__logo,
    .panel__icon svg,
    .feature-card__icon svg {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}