/**
 * ICE — Institute for Career Excellence
 * Comprehensive Universal Responsive & Mobile-First Design System
 * -----------------------------------------------------------------------------
 * Target Devices: Ultra-compact (320px), Phones (375px-480px), Phablets (481px-767px),
 * Tablets (768px-991px), Laptops (992px-1199px), Large Desktops (1200px+)
 */

/* ==========================================================================
   0. Global Fluid Foundations & Zero-Breakout Containment
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
}

html, body {
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: clip !important;
    position: relative;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
    margin: 0;
    padding: 0;
}

img, picture, video, canvas, svg {
    display: block;
    max-width: 100%;
    height: auto;
}

.container {
    width: 100%;
    max-width: 1240px;
    margin-left: auto;
    margin-right: auto;
    padding-left: clamp(1rem, 3.5vw, 2rem);
    padding-right: clamp(1rem, 3.5vw, 2rem);
    box-sizing: border-box;
}

/* Fluid Responsive Typography */
h1, .hero-title, .page-hero-title {
    font-size: clamp(1.65rem, 4.5vw + 0.5rem, 3.25rem);
    line-height: 1.22;
    word-break: break-word;
    overflow-wrap: break-word;
}

h2, .section-title {
    font-size: clamp(1.35rem, 3vw + 0.3rem, 2.25rem);
    line-height: 1.28;
    word-break: break-word;
    overflow-wrap: break-word;
}

h3, .course-title, .pillar-title {
    font-size: clamp(1.1rem, 2vw + 0.2rem, 1.55rem);
    line-height: 1.35;
    word-break: break-word;
    overflow-wrap: break-word;
}

p, .hero-description, .page-hero-desc, .section-subtitle {
    font-size: clamp(0.9rem, 1.2vw + 0.1rem, 1.05rem);
    line-height: 1.65;
    word-break: break-word;
    overflow-wrap: break-word;
}

/* Universal Button Safeguards (Zero Syllable Breakout) */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-size: clamp(0.82rem, 1.5vw, 0.95rem);
    font-weight: 600;
    line-height: 1.25;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    text-align: center;
    max-width: 100%;
    white-space: nowrap !important;
    word-break: normal !important;
    box-sizing: border-box;
    cursor: pointer;
    transition: all var(--transition-normal);
    flex-shrink: 0;
}

.btn-lg {
    padding: clamp(0.85rem, 2vw, 1.1rem) clamp(1.2rem, 3vw, 2.2rem);
    font-size: clamp(0.9rem, 1.8vw, 1.05rem);
}

.btn-sm {
    padding: 0.45rem 0.95rem;
    font-size: 0.82rem;
}

.btn-block {
    display: flex;
    width: 100%;
    justify-content: center;
}

/* Form Controls — 16px font prevents iOS Safari auto-zoom */
input, select, textarea, .form-control {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    font-size: 16px !important;
    line-height: 1.45;
}

/* Responsive Table Wrappers */
.comparison-table-wrapper, .table-responsive-wrapper {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin-bottom: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--color-border);
    background: #ffffff;
    box-shadow: var(--shadow-sm);
}

.comparison-table-wrapper table, .table-responsive-wrapper table {
    min-width: 540px;
    width: 100%;
    border-collapse: collapse;
}

/* ==========================================================================
   1. Breakpoints: Tablets & Below (< 992px)
   ========================================================================== */
@media (max-width: 992px) {
    :root {
        --header-height: 70px;
    }

    /* Hide desktop-only nav elements; activate mobile drawer toggle */
    .desktop-only-nav {
        display: none !important;
    }

    .mobile-menu-toggle {
        display: flex !important;
    }

    .site-header .header-actions .header-cta-btn {
        display: inline-flex;
        padding: 0.45rem 0.9rem;
        font-size: 0.8rem;
    }

    /* Hero Section */
    .hero-section {
        padding: 3rem 0 2.5rem;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 2.25rem;
    }

    .hero-visual {
        max-width: 520px;
        margin: 0 auto;
        width: 100%;
    }

    .hero-card-frame img {
        height: 320px;
        width: 100%;
        object-fit: cover;
    }

    .hero-floating-pill {
        bottom: -15px;
        left: 10px;
    }

    /* Grids */
    .courses-grid,
    .pillar-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 1.5rem;
    }

    .leadership-grid,
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    /* Footer on Tablets */
    .footer-top-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }

    .footer-brand {
        grid-column: 1 / -1;
    }

    /* Contact Layout */
    .contact-layout-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    /* Mobile Bottom App Bar (Hybrid Header Mode) */
    .header-style-bottom-nav-hybrid .mobile-bottom-app-bar {
        display: flex;
    }
    .header-style-bottom-nav-hybrid .site-footer {
        padding-bottom: 75px;
    }
    .header-style-bottom-nav-hybrid .floating-whatsapp-btn {
        bottom: 75px;
    }
    .header-style-bottom-nav-hybrid .back-to-top {
        bottom: 75px;
    }
}

/* ==========================================================================
   2. Breakpoints: Mobile Landscape & Small Tablets (< 768px)
   ========================================================================== */
@media (max-width: 768px) {
    .section {
        padding-top: 2.75rem;
        padding-bottom: 2.75rem;
    }

    .section-sm {
        padding-top: 1.75rem;
        padding-bottom: 1.75rem;
    }

    .section-header {
        margin-bottom: 1.75rem;
    }

    /* Hero CTA Group */
    .hero-cta-group {
        display: flex !important;
        flex-direction: column !important;
        width: 100% !important;
        gap: 0.75rem !important;
    }

    .hero-cta-group .btn {
        width: 100% !important;
    }

    .hero-highlights {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.65rem;
    }

    /* Grids collapse to single column */
    .courses-grid,
    .pillar-grid,
    .features-grid,
    .feature-boxes-grid,
    .testimonials-grid,
    .form-grid,
    .leadership-grid,
    .team-grid {
        grid-template-columns: 1fr !important;
        gap: 1.25rem !important;
    }

    /* Stats Grid (2 columns on mobile) */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.85rem;
    }

    .stat-counter-card {
        padding: 1.25rem 0.85rem;
    }

    .stat-number {
        font-size: 1.85rem;
    }

    .contact-form-card,
    .contact-info-panel {
        padding: 1.5rem 1.25rem;
    }

    .cta-banner {
        padding: 2rem 1.25rem !important;
        border-radius: 16px !important;
        text-align: center !important;
        box-sizing: border-box !important;
        width: 100% !important;
    }

    .cta-banner-content {
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        justify-content: center !important;
        text-align: center !important;
        gap: 1.25rem !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    .cta-banner-text {
        width: 100% !important;
        max-width: 100% !important;
        text-align: center !important;
    }

    .cta-banner-text h2 {
        font-size: clamp(1.25rem, 3.5vw, 1.65rem) !important;
        line-height: 1.35 !important;
        margin-bottom: 0.65rem !important;
        color: #ffffff !important;
        text-align: center !important;
        word-break: normal !important;
        overflow-wrap: break-word !important;
    }

    .cta-banner-text p {
        font-size: 0.92rem !important;
        line-height: 1.6 !important;
        color: #cbd5e1 !important;
        margin: 0 auto !important;
        max-width: 100% !important;
        text-align: center !important;
        word-break: normal !important;
        overflow-wrap: break-word !important;
    }

    .cta-banner-actions {
        display: flex !important;
        flex-direction: column !important;
        width: 100% !important;
        gap: 0.65rem !important;
        align-items: stretch !important;
    }

    .cta-banner-actions .btn,
    .cta-banner-actions .btn-lg {
        width: 100% !important;
        justify-content: center !important;
        padding: 0.8rem 1.25rem !important;
        font-size: 0.86rem !important;
        white-space: normal !important;
        text-align: center !important;
        box-sizing: border-box !important;
    }

    /* Footer Accordion Mode */
    .footer-top-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .footer-bottom-flex {
        flex-direction: column;
        text-align: center;
        gap: 0.75rem;
    }

    /* Course Card Footer (Keeps buttons on a clean nowrap row) */
    .course-footer {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 0.5rem;
        flex-wrap: wrap;
        padding-top: 0.85rem;
    }

    .course-card-actions {
        display: flex;
        align-items: center;
        gap: 0.4rem;
        flex-wrap: nowrap;
    }

    .course-card-actions .btn {
        padding: 0.4rem 0.75rem !important;
        font-size: 0.8rem !important;
        white-space: nowrap !important;
        word-break: normal !important;
    }

    /* Breadcrumbs */
    .breadcrumb-nav {
        flex-wrap: wrap;
        gap: 0.35rem;
        font-size: 0.82rem;
    }
}

/* ==========================================================================
   3. Breakpoints: Standard Phones (< 576px)
   ========================================================================== */
@media (max-width: 576px) {
    :root {
        --header-height: 64px;
    }

    .header-topbar-flex {
        flex-direction: column;
        text-align: center;
        gap: 0.25rem;
        font-size: 0.75rem;
    }

    .topbar-contact-link {
        font-size: 0.75rem;
    }

    .brand-logo-img {
        height: 44px;
        max-width: 120px;
    }

    .hero-card-frame img {
        height: 240px;
    }

    .hero-floating-pill {
        position: static;
        margin-top: 0.85rem;
        width: 100%;
        box-sizing: border-box;
    }

    /* Filter Tabs Horizontal Swipe */
    .filter-tabs-wrapper {
        gap: 0.5rem;
        justify-content: flex-start;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        flex-wrap: nowrap;
        padding-bottom: 0.5rem;
        margin-bottom: 1.25rem;
    }

    .filter-tab-btn {
        padding: 0.45rem 0.85rem;
        font-size: 0.8rem;
        white-space: nowrap;
        flex-shrink: 0;
    }

    /* CTA Banner on Phones */
    .cta-banner {
        padding: 1.85rem 1.15rem !important;
        border-radius: 14px !important;
    }

    .cta-banner-text h2 {
        font-size: 1.25rem !important;
        line-height: 1.35 !important;
    }

    .cta-banner-text p {
        font-size: 0.88rem !important;
        line-height: 1.55 !important;
    }

    .cta-banner-actions .btn {
        padding: 0.75rem 1rem !important;
        font-size: 0.84rem !important;
    }

    /* Floating WhatsApp & Back to Top */
    .floating-whatsapp-btn {
        width: 48px;
        height: 48px;
        font-size: 1.45rem;
        bottom: 1.25rem;
        right: 1.25rem;
        z-index: 999;
    }

    .back-to-top {
        width: 42px;
        height: 42px;
        font-size: 0.95rem;
        bottom: 5rem;
        right: 1.25rem;
        z-index: 998;
    }

    /* Icon Badges */
    .icon-badge-box {
        width: 54px;
        height: 54px;
        font-size: 1.4rem;
        border-radius: 12px;
    }

    /* Mobile Drawer */
    .mobile-drawer {
        width: min(88vw, 320px);
    }
}

/* ==========================================================================
   4. Breakpoints: Ultra Compact Phones (< 380px)
   ========================================================================== */
@media (max-width: 380px) {
    .container {
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .btn {
        padding: 0.65rem 1rem;
        font-size: 0.82rem;
    }

    .course-body {
        padding: 1.15rem 0.85rem;
    }

    .course-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.35rem;
    }

    .course-card-actions .btn {
        padding: 0.35rem 0.6rem !important;
        font-size: 0.75rem !important;
    }
}

/* Mobile Touch Scroll for Filter Strips & Verification Containers */
@media (max-width: 768px) {
    .programs-filter-wrapper,
    .filter-tabs,
    .category-filter-strip,
    .quick-action-strip {
        display: flex !important;
        overflow-x: auto !important;
        white-space: nowrap !important;
        -webkit-overflow-scrolling: touch !important;
        gap: 0.5rem !important;
        padding-bottom: 0.65rem !important;
        width: 100% !important;
        scrollbar-width: none;
    }

    .programs-filter-wrapper::-webkit-scrollbar,
    .category-filter-strip::-webkit-scrollbar,
    .quick-action-strip::-webkit-scrollbar {
        display: none;
    }

    .filter-btn,
    .filter-pill,
    .quick-action-pill {
        flex-shrink: 0 !important;
    }

    .certificate-preview-box,
    .cert-frame-wrapper,
    .verify-result-card {
        max-width: 100% !important;
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch;
    }
}