/**
 * ============================================================================
 * IAMN.ORG MOBILE-FIRST DESIGN SYSTEM (PHASE 2)
 * ============================================================================
 * Scope: Centralized design tokens, mobile-first reset & 7 reference components.
 * Standards: WCAG 2.2 AA compliant (minimum 44x44px touch targets, contrast ratios >= 4.5:1).
 * Layout: Pure CSS Grid & Flexbox with minmax(0, 1fr) and min-width: 0 (No overflow hacks).
 * Device Targets: 320px (SE), 360px (S8), 390px (iPhone 14), 430px (Pro Max), Tablet, Desktop.
 * ============================================================================
 */

/* ==========================================================================
   1. DESIGN TOKENS (:root)
   ========================================================================== */
:root {
    /* Brand Palette */
    --iam-primary: #E3A14C;            /* IAM Heritage Gold */
    --iam-primary-dark: #C78631;       /* Dark Gold for accessible hover & active states */
    --iam-primary-darker: #9E6319;     /* Deep Gold for accessible text on light backgrounds */
    --iam-primary-light: #FDF3D0;      /* Warm Pale Gold tint */
    --iam-primary-subtle: #FFF9E6;     /* Subtle warm backdrop */

    /* Secondary / Neutral Dark Palette (Slate / Navy) */
    --iam-slate-900: #0F172A;          /* Deepest Slate */
    --iam-slate-800: #1E293B;          /* Dark Text - Primary heading / body */
    --iam-slate-700: #334155;          /* Neutral Dark Text */
    --iam-slate-600: #475569;          /* Secondary / Subtitle Text */
    --iam-slate-500: #64748B;          /* Muted / Caption Text */
    --iam-slate-400: #94A3B8;          /* Placeholder / Icon Muted */
    --iam-slate-300: #CBD5E1;          /* Subtle Borders */
    --iam-slate-200: #E2E8F0;          /* Card & Input Borders */
    --iam-slate-100: #F1F5F9;          /* Light surface fill */
    --iam-slate-50:  #F8FAFC;          /* Canvas background */

    /* Warm Background Neutrals */
    --iam-warm-bg: #FDFBF7;            /* Base canvas warm white */
    --iam-surface: #FFFFFF;            /* Pure white for card elevation */
    --iam-surface-elevated: #FFFFFF;

    /* Semantic Status Palette (WCAG AA Compliant contrast) */
    --iam-success: #15803D;            /* Deep Green */
    --iam-success-light: #DCFCE7;      /* Light Green tint */
    --iam-success-border: #86EFAC;
    --iam-warning: #B45309;            /* Amber / Orange */
    --iam-warning-light: #FEF3C7;      /* Light Amber tint */
    --iam-warning-border: #FCD34D;
    --iam-danger: #B91C1C;             /* Deep Red */
    --iam-danger-light: #FEE2E2;       /* Light Red tint */
    --iam-danger-border: #FCA5A5;
    --iam-info: #0369A1;               /* Deep Sky Blue */
    --iam-info-light: #E0F2FE;         /* Light Blue tint */
    --iam-info-border: #7DD3FC;

    /* Typography System */
    --iam-font-base: 'Source Sans Pro', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --iam-font-heading: 'Source Sans Pro', system-ui, -apple-system, sans-serif;
    --iam-font-serif: 'Playfair Display', Georgia, serif;
    --iam-font-indic: 'Mukta', 'Source Sans Pro', sans-serif;

    /* Fluid Typography Scale (Mobile-First clamp) */
    --iam-text-xs: clamp(0.75rem, 0.72rem + 0.15vw, 0.8125rem);      /* 12px -> 13px */
    --iam-text-sm: clamp(0.8125rem, 0.78rem + 0.2vw, 0.875rem);       /* 13px -> 14px */
    --iam-text-base: clamp(0.9375rem, 0.91rem + 0.2vw, 1rem);         /* 15px -> 16px (16px base on iOS avoids auto-zoom) */
    --iam-text-lg: clamp(1.0625rem, 1.02rem + 0.3vw, 1.1875rem);      /* 17px -> 19px */
    --iam-text-xl: clamp(1.25rem, 1.18rem + 0.45vw, 1.4375rem);       /* 20px -> 23px */
    --iam-text-2xl: clamp(1.4375rem, 1.35rem + 0.65vw, 1.75rem);      /* 23px -> 28px */
    --iam-text-3xl: clamp(1.75rem, 1.6rem + 1vw, 2.25rem);            /* 28px -> 36px */
    --iam-text-hero: clamp(2rem, 1.75rem + 1.5vw, 2.75rem);           /* 32px -> 44px */

    /* Fluid Spacing Scale */
    --iam-space-1: 0.25rem;   /* 4px */
    --iam-space-2: 0.5rem;    /* 8px */
    --iam-space-3: 0.75rem;   /* 12px */
    --iam-space-4: 1rem;      /* 16px */
    --iam-space-5: 1.25rem;   /* 20px */
    --iam-space-6: 1.5rem;    /* 24px */
    --iam-space-8: 2rem;      /* 32px */
    --iam-space-10: 2.5rem;   /* 40px */
    --iam-space-12: 3rem;     /* 48px */

    /* Layout & Ergonomics */
    --iam-container-padding: clamp(1rem, 3.5vw, 1.5rem); /* 16px mobile, 24px desktop */
    --iam-container-max: 1200px;
    --iam-touch-target-min: 44px;      /* WCAG 2.2 AA Minimum touch target */
    --iam-bottom-nav-height: 64px;
    --iam-safe-bottom: env(safe-area-inset-bottom, 0px);
    --iam-safe-top: env(safe-area-inset-top, 0px);

    /* Radii */
    --iam-radius-xs: 4px;
    --iam-radius-sm: 8px;
    --iam-radius-md: 12px;
    --iam-radius-lg: 16px;
    --iam-radius-xl: 24px;
    --iam-radius-full: 9999px;

    /* Shadows & Elevation */
    --iam-shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
    --iam-shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
    --iam-shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
    --iam-shadow-bottom-nav: 0 -4px 16px rgba(15, 23, 42, 0.06);
    --iam-shadow-drawer: 0 -12px 36px rgba(15, 23, 42, 0.18);

    /* Transitions */
    --iam-transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --iam-transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --iam-transition-spring: 350ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   2. MOBILE-FIRST RESET & BASE ERGONOMICS
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
}

/* Ensure no child blows out flex or grid columns */
html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    margin: 0;
    font-family: var(--iam-font-base);
    color: var(--iam-slate-800);
    background-color: var(--iam-warm-bg);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Eliminate horizontal overflow intrinsically across all blocks */
img, svg, video, canvas, audio, iframe, embed, object {
    display: block;
    max-width: 100%;
    height: auto;
}

/* Interactive elements default to touch-friendly manipulation */
a, button, input, select, textarea, label {
    touch-action: manipulation;
}

/* Clean accessible focus indicators */
:focus-visible {
    outline: 2px solid var(--iam-primary);
    outline-offset: 2px;
}

/* ==========================================================================
   3. REFERENCE COMPONENT 1: GLOBAL PAGE CONTAINER (.iam-container)
   ========================================================================== */
.iam-container {
    width: 100%;
    max-width: var(--iam-container-max);
    margin-inline: auto;
    padding-inline: var(--iam-container-padding);
    min-width: 0;
    box-sizing: border-box;
}

.iam-container-fluid {
    width: 100%;
    margin-inline: auto;
    padding-inline: var(--iam-container-padding);
    min-width: 0;
    box-sizing: border-box;
}

.iam-container-narrow {
    width: 100%;
    max-width: 760px;
    margin-inline: auto;
    padding-inline: var(--iam-container-padding);
    min-width: 0;
    box-sizing: border-box;
}

/* ==========================================================================
   4. REFERENCE COMPONENT 2: APP HEADER & TOP UTILITY BAR
   ========================================================================== */
/* Mobile-First Header Architecture */
.iam-site-header {
    position: sticky;
    top: 0;
    z-index: 1020;
    background: #FFFFFF;
    border-bottom: 1px solid var(--iam-slate-200);
    transition: background-color var(--iam-transition-fast), box-shadow var(--iam-transition-fast);
}

.iam-site-header.is-scrolled {
    box-shadow: var(--iam-shadow-sm);
}

/* Top Utility Bar on Mobile (<768px): Clean, spacious, un-crowded */
.iam-top-bar {
    background: linear-gradient(90deg, #FDF3D0 0%, #F8E3B6 100%);
    border-bottom: 1px solid rgba(227, 161, 76, 0.25);
    padding: var(--iam-space-1) 0;
}

.iam-top-bar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 36px;
    gap: var(--iam-space-2);
}

.iam-top-bar-notice {
    font-size: var(--iam-text-xs);
    font-weight: 600;
    color: var(--iam-slate-700);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.iam-top-bar-notice a {
    color: var(--iam-primary-darker);
    text-decoration: underline;
}

/* Language Selector Dropdown trigger */
.iam-lang-picker {
    position: relative;
    display: inline-flex;
    align-items: center;
}

.iam-lang-trigger {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-height: 32px;
    padding: 4px 10px;
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(227, 161, 76, 0.5);
    border-radius: var(--iam-radius-full);
    font-size: var(--iam-text-xs);
    font-weight: 600;
    color: var(--iam-slate-800);
    cursor: pointer;
    transition: background var(--iam-transition-fast), border-color var(--iam-transition-fast);
}

.iam-lang-trigger:hover,
.iam-lang-trigger:focus-visible {
    background: #FFFFFF;
    border-color: var(--iam-primary);
}

/* Main Navbar inside Header */
.iam-nav-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: var(--iam-header-height-mobile);
    gap: var(--iam-space-3);
}

.iam-brand {
    display: flex;
    align-items: center;
    text-decoration: none;
    flex-shrink: 0;
}

.iam-brand img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

/* Header Action Group (Search + Menu toggle) */
.iam-header-actions {
    display: flex;
    align-items: center;
    gap: var(--iam-space-2);
}

.iam-icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: var(--iam-touch-target-min);
    height: var(--iam-touch-target-min);
    min-width: var(--iam-touch-target-min);
    min-height: var(--iam-touch-target-min);
    border: none;
    background: transparent;
    color: var(--iam-slate-700);
    border-radius: var(--iam-radius-md);
    cursor: pointer;
    transition: background var(--iam-transition-fast), color var(--iam-transition-fast);
}

.iam-icon-btn:hover,
.iam-icon-btn:focus-visible {
    background: var(--iam-slate-100);
    color: var(--iam-slate-900);
}

/* ==========================================================================
   5. REFERENCE COMPONENT 3: MOBILE BOTTOM NAVIGATION & DRAWER
   ========================================================================== */
/* Fixed Bottom App Navigation Bar */
.iam-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1030;
    background: rgba(255, 255, 255, 0.96);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border-top: 1px solid var(--iam-slate-200);
    box-shadow: var(--iam-shadow-bottom-nav);
    display: flex;
    align-items: stretch;
    justify-content: space-around;
    padding-bottom: var(--iam-safe-bottom);
    height: calc(var(--iam-bottom-nav-height) + var(--iam-safe-bottom));
}

@media (min-width: 992px) {
    .iam-bottom-nav {
        display: none !important; /* Conceal bottom bar on desktop viewports */
    }
}

.iam-bottom-tab {
    flex: 1 1 0;
    min-width: 0;
    min-height: var(--iam-bottom-nav-height);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    padding: 6px 2px;
    color: var(--iam-slate-500);
    text-decoration: none;
    background: transparent;
    border: none;
    cursor: pointer;
    transition: color var(--iam-transition-fast), transform var(--iam-transition-fast);
    -webkit-tap-highlight-color: transparent;
}

.iam-bottom-tab svg {
    width: 22px;
    height: 22px;
    stroke: currentColor;
    stroke-width: 2;
    transition: transform var(--iam-transition-fast), stroke var(--iam-transition-fast);
}

.iam-bottom-tab .tab-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: -0.01em;
    line-height: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

.iam-bottom-tab.active,
.iam-bottom-tab:hover,
.iam-bottom-tab:focus-visible {
    color: var(--iam-primary-dark);
}

.iam-bottom-tab.active svg {
    stroke: var(--iam-primary-dark);
    transform: translateY(-1px);
}

/* Slide-Up Bottom Sheet Drawer */
.iam-drawer-backdrop {
    position: fixed;
    inset: 0;
    z-index: 1040;
    background: rgba(15, 23, 42, 0.6);
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--iam-transition-normal), visibility var(--iam-transition-normal);
}

.iam-drawer-backdrop.is-open {
    opacity: 1;
    visibility: visible;
}

.iam-drawer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1050;
    background: #FFFFFF;
    border-radius: var(--iam-radius-xl) var(--iam-radius-xl) 0 0;
    box-shadow: var(--iam-shadow-drawer);
    max-height: 88dvh;
    display: flex;
    flex-direction: column;
    transform: translateY(100%);
    transition: transform var(--iam-transition-spring);
    padding-bottom: var(--iam-safe-bottom);
    overflow: hidden;
}

@media (min-width: 768px) {
    .iam-drawer {
        max-width: 540px;
        left: 50%;
        right: auto;
        transform: translate(-50%, 100%);
    }
    .iam-drawer.is-open {
        transform: translate(-50%, 0) !important;
    }
}

.iam-drawer.is-open {
    transform: translateY(0);
}

.iam-drawer-handle {
    width: 44px;
    height: 5px;
    background: var(--iam-slate-300);
    border-radius: var(--iam-radius-full);
    margin: 12px auto 6px;
    flex-shrink: 0;
}

.iam-drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--iam-space-3) var(--iam-space-4);
    border-bottom: 1px solid var(--iam-slate-100);
    flex-shrink: 0;
}

.iam-drawer-title {
    font-size: var(--iam-text-lg);
    font-weight: 700;
    color: var(--iam-slate-900);
    margin: 0;
}

.iam-drawer-body {
    padding: var(--iam-space-4);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    flex: 1 1 auto;
}

/* ==========================================================================
   6. REFERENCE COMPONENT 4: CARDS & LISTS (.iam-card)
   ========================================================================== */
.iam-card {
    background: var(--iam-surface);
    border: 1px solid var(--iam-slate-200);
    border-radius: var(--iam-radius-lg);
    box-shadow: var(--iam-shadow-sm);
    display: flex;
    flex-direction: column;
    width: 100%;
    min-width: 0;
    overflow: hidden;
    position: relative;
    transition: transform var(--iam-transition-fast), box-shadow var(--iam-transition-fast), border-color var(--iam-transition-fast);
}

.iam-card:hover {
    box-shadow: var(--iam-shadow-md);
    border-color: var(--iam-slate-300);
}

.iam-card-elevated {
    border: none;
    box-shadow: var(--iam-shadow-md);
}

.iam-card-elevated:hover {
    box-shadow: var(--iam-shadow-lg);
}

.iam-card-gold-accent {
    border-top: 4px solid var(--iam-primary);
}

.iam-card-header {
    padding: var(--iam-space-4);
    border-bottom: 1px solid var(--iam-slate-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--iam-space-3);
}

.iam-card-title {
    font-size: var(--iam-text-lg);
    font-weight: 700;
    color: var(--iam-slate-900);
    margin: 0;
    line-height: 1.3;
}

.iam-card-body {
    padding: var(--iam-space-4);
    flex: 1 1 auto;
    min-width: 0;
}

.iam-card-footer {
    padding: var(--iam-space-3) var(--iam-space-4);
    background: var(--iam-slate-50);
    border-top: 1px solid var(--iam-slate-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--iam-space-3);
}

/* ==========================================================================
   7. REFERENCE COMPONENT 5: FORM FIELD & VALIDATION (.iam-form-group)
   ========================================================================== */
.iam-form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: var(--iam-space-4);
    width: 100%;
    min-width: 0;
}

.iam-label {
    font-size: var(--iam-text-sm);
    font-weight: 600;
    color: var(--iam-slate-700);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.iam-label .required-indicator {
    color: var(--iam-danger);
    font-weight: 700;
}

/* Inputs always >= 16px font-size to prevent iOS Safari auto-zoom */
.iam-input,
.iam-select,
.iam-textarea {
    width: 100%;
    min-height: var(--iam-touch-target-min);
    font-size: 16px;
    font-family: var(--iam-font-base);
    color: var(--iam-slate-800);
    background: #FFFFFF;
    border: 1.5px solid var(--iam-slate-300);
    border-radius: var(--iam-radius-md);
    padding: 10px 14px;
    line-height: 1.4;
    transition: border-color var(--iam-transition-fast), box-shadow var(--iam-transition-fast);
    box-sizing: border-box;
    -webkit-appearance: none;
    appearance: none;
}

.iam-input:focus,
.iam-select:focus,
.iam-textarea:focus {
    outline: none;
    border-color: var(--iam-primary);
    box-shadow: 0 0 0 3px rgba(227, 161, 76, 0.25);
}

.iam-input::placeholder,
.iam-textarea::placeholder {
    color: var(--iam-slate-400);
}

.iam-textarea {
    min-height: 100px;
    resize: vertical;
}

/* Select Chevron Indicator */
.iam-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    background-size: 16px 16px;
    padding-right: 40px;
}

/* Form Helper & Validation Feedback */
.iam-form-hint {
    font-size: var(--iam-text-xs);
    color: var(--iam-slate-500);
    line-height: 1.4;
}

.iam-form-error {
    font-size: var(--iam-text-xs);
    font-weight: 600;
    color: var(--iam-danger);
    display: flex;
    align-items: center;
    gap: 4px;
    line-height: 1.4;
}

.iam-form-group.has-error .iam-input,
.iam-form-group.has-error .iam-select,
.iam-form-group.has-error .iam-textarea {
    border-color: var(--iam-danger);
    background-color: #FFFDFD;
}

.iam-form-group.has-error .iam-input:focus,
.iam-form-group.has-error .iam-select:focus,
.iam-form-group.has-error .iam-textarea:focus {
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.2);
}

/* ==========================================================================
   8. REFERENCE COMPONENT 6: BUTTONS & INTERACTIVE CONTROLS (.iam-btn)
   ========================================================================== */
.iam-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--iam-space-2);
    min-height: var(--iam-touch-target-min);
    min-width: var(--iam-touch-target-min);
    padding: 0.625rem 1.25rem;
    font-family: var(--iam-font-base);
    font-size: var(--iam-text-base);
    font-weight: 600;
    line-height: 1.25;
    text-align: center;
    text-decoration: none;
    border-radius: var(--iam-radius-md);
    border: 1.5px solid transparent;
    cursor: pointer;
    user-select: none;
    transition: background-color var(--iam-transition-fast), border-color var(--iam-transition-fast), color var(--iam-transition-fast), transform var(--iam-transition-fast), box-shadow var(--iam-transition-fast);
    -webkit-tap-highlight-color: transparent;
}

.iam-btn:active {
    transform: scale(0.98);
}

/* Primary Button (IAM Gold) */
.iam-btn-primary {
    background-color: var(--iam-primary);
    color: #1E293B;
    border-color: var(--iam-primary);
    box-shadow: 0 2px 4px rgba(227, 161, 76, 0.25);
}

.iam-btn-primary:hover,
.iam-btn-primary:focus-visible {
    background-color: var(--iam-primary-dark);
    border-color: var(--iam-primary-dark);
    color: #0F172A;
    box-shadow: 0 4px 8px rgba(227, 161, 76, 0.35);
}

/* Secondary Button (Slate Dark) */
.iam-btn-secondary {
    background-color: var(--iam-slate-800);
    color: #FFFFFF;
    border-color: var(--iam-slate-800);
}

.iam-btn-secondary:hover,
.iam-btn-secondary:focus-visible {
    background-color: var(--iam-slate-900);
    border-color: var(--iam-slate-900);
    color: #FFFFFF;
}

/* Outline Button */
.iam-btn-outline {
    background-color: transparent;
    color: var(--iam-slate-800);
    border-color: var(--iam-slate-300);
}

.iam-btn-outline:hover,
.iam-btn-outline:focus-visible {
    background-color: var(--iam-slate-100);
    border-color: var(--iam-slate-400);
    color: var(--iam-slate-900);
}

/* Gold Outline */
.iam-btn-outline-gold {
    background-color: transparent;
    color: var(--iam-primary-darker);
    border-color: var(--iam-primary);
}

.iam-btn-outline-gold:hover,
.iam-btn-outline-gold:focus-visible {
    background-color: var(--iam-primary-light);
    border-color: var(--iam-primary-dark);
    color: var(--iam-slate-900);
}

/* Full Width Utility for Mobile Conversion */
.iam-btn-block {
    display: flex;
    width: 100%;
}

/* Status Badges */
.iam-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px;
    border-radius: var(--iam-radius-full);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    line-height: 1;
}

.iam-badge-success { background: var(--iam-success-light); color: var(--iam-success); border: 1px solid var(--iam-success-border); }
.iam-badge-warning { background: var(--iam-warning-light); color: var(--iam-warning); border: 1px solid var(--iam-warning-border); }
.iam-badge-danger  { background: var(--iam-danger-light);  color: var(--iam-danger);  border: 1px solid var(--iam-danger-border); }
.iam-badge-info    { background: var(--iam-info-light);    color: var(--iam-info);    border: 1px solid var(--iam-info-border); }
.iam-badge-gold    { background: var(--iam-primary-light); color: var(--iam-primary-darker); border: 1px solid rgba(227, 161, 76, 0.4); }

/* ==========================================================================
   9. REFERENCE COMPONENT 7: RESPONSIVE CONTENT GRID (.iam-grid)
   ========================================================================== */
/* Mobile First: Always 1 column on screens < 768px */
.iam-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--iam-space-4);
    width: 100%;
    min-width: 0;
}

/* 2-Column Grid on Tablet/Desktop */
.iam-grid-2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--iam-space-4);
    width: 100%;
    min-width: 0;
}

@media (min-width: 768px) {
    .iam-grid-2 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: var(--iam-space-6);
    }
}

/* 3-Column Grid (1 col on mobile, 2 col on tablet, 3 on desktop) */
.iam-grid-3 {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--iam-space-4);
    width: 100%;
    min-width: 0;
}

@media (min-width: 640px) {
    .iam-grid-3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 1024px) {
    .iam-grid-3 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: var(--iam-space-6);
    }
}

/* Auto-Fit Grid for Cards */
.iam-grid-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--iam-space-4);
    width: 100%;
    min-width: 0;
}

@media (min-width: 576px) {
    .iam-grid-cards {
        grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr));
        gap: var(--iam-space-5);
    }
}

/* Utility to ensure flex items never overflow */
.iam-flex-col { display: flex; flex-direction: column; min-width: 0; }
.iam-flex-row { display: flex; flex-direction: row; align-items: center; min-width: 0; }
.iam-gap-2 { gap: var(--iam-space-2); }
.iam-gap-3 { gap: var(--iam-space-3); }
.iam-gap-4 { gap: var(--iam-space-4); }
.iam-w-full { width: 100%; min-width: 0; }

/* Safe Area Padding Utilities for Bottom Nav Clearance */
.iam-safe-bottom-padding {
    padding-bottom: calc(var(--iam-bottom-nav-height) + var(--iam-safe-bottom) + var(--iam-space-4)) !important;
}

@media (min-width: 992px) {
    .iam-safe-bottom-padding {
        padding-bottom: var(--iam-space-4) !important;
    }
}