/* Global Soft UI Styles */
:root {
    /* ClassPilot Cohesive Palette */
    --hs-bg: #fdfbf7;
    --hs-text: #2c2c2c;

    /* Primary Green Base */
    --hs-green-primary: #00A676;
    --hs-green-light: rgba(0, 166, 118, 0.1);
    --hs-green-hover: #008f65;
    --hs-green-dark: #007A5E;

    /* Complementary Colors */
    --hs-blue: #3b82f6;
    --hs-blue-hover: #2563eb;
    --hs-blue-dark: #1d4ed8;
    --hs-blue-light: rgba(59, 130, 246, 0.1);

    --hs-orange: #f59e0b;
    --hs-orange-hover: #d97706;
    --hs-orange-dark: #b45309;

    --hs-purple: #8b5cf6;
    --hs-purple-hover: #7c3aed;
    --hs-purple-dark: #6d28d9;
    --hs-purple-light: rgba(139, 92, 246, 0.1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--hs-bg);
    color: var(--hs-text);
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

footer {
    margin-top: auto;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Nunito', sans-serif;
    font-weight: 800;
    letter-spacing: -0.01em;
}

.hs-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border-radius: 9999px;
    padding: 1rem 2.5rem;
    font-weight: 700;
    font-family: 'Nunito', sans-serif;
    transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.2s ease, background-color 0.2s ease;
    cursor: pointer;
    border: none;
    text-decoration: none !important;

    /* Internal variables for smart inheritance */
    --btn-bg: var(--hs-green-primary);
    --btn-shadow-color: var(--hs-green-dark);
    --btn-hover-bg: var(--hs-green-hover);

    background-color: var(--btn-bg);
    color: white;
    box-shadow: 0 4px 0 var(--btn-shadow-color);
}

.hs-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 0 var(--btn-shadow-color);
    background-color: var(--btn-hover-bg);
}

.hs-btn:active {
    transform: translateY(2px);
    box-shadow: 0 2px 0 var(--btn-shadow-color);
}

/* Color Modifiers — Slim & Smart */
.hs-btn-blue {
    --btn-bg: var(--hs-blue);
    --btn-shadow-color: var(--hs-blue-dark);
    --btn-hover-bg: var(--hs-blue-hover);
}

.hs-btn-orange {
    --btn-bg: var(--hs-orange);
    --btn-shadow-color: var(--hs-orange-dark);
    --btn-hover-bg: var(--hs-orange-hover);
}

.hs-btn-purple {
    --btn-bg: var(--hs-purple);
    --btn-shadow-color: var(--hs-purple-dark);
    --btn-hover-bg: var(--hs-purple-hover);
}

.hs-btn-gray {
    --btn-shadow-color: #d1d5db;
    --btn-bg: #f3f4f6;
    --btn-hover-bg: #e5e7eb;
    color: #4b5563;
}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */
.nav-link {
    font-weight: 700 !important;
    text-decoration: none;
    white-space: nowrap;
}
.nav-link:hover {
    color: var(--hs-green-primary) !important;
}

/* Keep auth button width stable so nav links don't shift after login state swap */
#main-header nav.md\:flex .nav-auth-btn {
    appearance: none;
    background: transparent !important;
    border: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    color: #4b5563 !important;
    cursor: pointer;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 700 !important;
    line-height: 1.5rem;
    padding: 0 !important;
    text-decoration: none;
    transition: color 0.2s ease;
    width: 11.5rem;
    min-width: 11.5rem;
    max-width: 11.5rem;
    justify-content: center;
    white-space: nowrap;
    box-sizing: border-box;
}

#main-header nav.md\:flex .nav-auth-btn:hover {
    color: var(--hs-green-primary) !important;
}

/* Lock navbar height across pages/states to prevent vertical layout shift. */
#main-header {
    box-sizing: border-box;
    min-height: 5rem;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
}

#main-header > div {
    min-height: 5rem;
    align-items: center;
}

/* Keep auth modals centered without affecting inner card backgrounds. */
#login-modal .fixed.inset-0.z-10.overflow-y-auto > .flex.min-h-full,
#register-modal .fixed.inset-0.z-10.overflow-y-auto > .flex.min-h-full {
    width: 100%;
    min-height: 100%;
    align-items: center;
    justify-content: center;
}

#login-modal .fixed.inset-0.z-10.overflow-y-auto > .flex.min-h-full > .sm\:max-w-lg,
#register-modal .fixed.inset-0.z-10.overflow-y-auto > .flex.min-h-full > .sm\:max-w-lg {
    margin-left: auto !important;
    margin-right: auto !important;
    background-color: #ffffff !important;
}

/* Neutral modal backdrop: force this on the full modal layer (not just inner backdrop div). */
#login-modal,
#register-modal {
    z-index: 1200 !important;
    background: rgba(17, 24, 39, 0.55) !important;
    backdrop-filter: blur(8px) saturate(60%) grayscale(30%);
    -webkit-backdrop-filter: blur(8px) saturate(60%) grayscale(30%);
}

#login-modal > .absolute.inset-0,
#register-modal > .absolute.inset-0 {
    background: transparent !important;
}

/* ==========================================================================
   IFRAME PREVIEWS (Voor live presentatie-thumbnails)
   ========================================================================== */
.iframe-preview-container {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    background: #f8fafc;
}

.iframe-preview-container iframe {
    width: 1280px; /* Desktop resolution base */
    height: 720px;
    border: none;
    transform: scale(0.24); /* Scale down to fit standard card thumbs */
    transform-origin: top left;
    opacity: 0.8;
    transition: opacity 300ms ease;
}

.lesson-card:hover .iframe-preview-container iframe,
.group:hover .iframe-preview-container iframe {
    opacity: 1;
}
.hs-btn-secondary {
    background-color: transparent !important;
    color: var(--hs-green-primary);
    border: 2px solid var(--hs-green-primary);
    border-radius: 9999px;
    padding: 0.75rem 2rem;
    font-weight: 700;
    font-family: 'Nunito', sans-serif;
    transition: all 0.2s ease;
}

.hs-btn-secondary:hover {
    background-color: var(--hs-green-light);
    transform: translateY(-1px);
}

.hs-btn-secondary:active {
    transform: translateY(1px);
}

/* Force a stable navbar auth button style immediately (prevents small->large flash before JS/component swap). */
#main-header nav.md\:flex button[onclick*="login-modal"] {
    background-color: transparent !important;
    color: var(--hs-green-primary) !important;
    border: 2px solid var(--hs-green-primary) !important;
    border-radius: 9999px !important;
    padding: 0.5rem 1.5rem !important;
    font-weight: 700 !important;
    font-family: 'Nunito', sans-serif !important;
    line-height: 1.2 !important;
    box-shadow: none !important;
    width: 11.5rem !important;
    min-width: 11.5rem !important;
    max-width: 11.5rem !important;
    justify-content: center !important;
    white-space: nowrap !important;
    box-sizing: border-box !important;
}

#main-header nav.md\:flex button[onclick*="login-modal"]:hover {
    background-color: var(--hs-green-light) !important;
}

/* Soft Rounded Shapes (No Blobs) */
.hs-card {
    background: white;
    border-radius: 40px;
    padding: 2.5rem 2rem;
    transition: transform 0.3s ease;
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
}

.hs-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.05);
}



.floating-icon {
    animation: floatingIcon 4s ease-in-out infinite;
}

.floating-icon-delayed {
    animation: floatingIcon 4s ease-in-out infinite;
    animation-delay: 2s;
}

@keyframes floatingIcon {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-8px);
    }
}

body.translate-y-4 {
    transform: translateY(10px) !important;
}

/* --- Subtle Breathe Animation for Hero Badges --- */
@keyframes subtleBreathe {
    0% {
        transform: translateY(0) scale(1);
    }

    100% {
        transform: translateY(-3px) scale(1.02);
    }
}

.breathe-animation {
    animation: subtleBreathe 6s ease-in-out infinite alternate;
}

/* --- Sequential Step Focus Animation --- */
@keyframes stepFocus {

    0%,
    100% {
        transform: scale(1);
    }

    15% {
        transform: scale(1.08);
    }

    30% {
        transform: scale(1);
    }
}

.step-focus-1 {
    animation: stepFocus 9s infinite;
}

.step-focus-2 {
    animation: stepFocus 9s infinite 3s;
}

.step-focus-3 {
    animation: stepFocus 9s infinite 6s;
}

/* --- Mobile Menu Animation --- */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-down {
    animation: fadeInDown 0.3s ease-out forwards;
}

/* --- Unify Footer Hovers --- */
footer a:hover {
    color: var(--hs-orange) !important;
}

/* --- Responsive Adjustments --- */
@media (max-width: 640px) {
    #scroll-to-top-btn {
        width: 2.75rem !important;
        height: 2.75rem !important;
        bottom: 1rem !important;
        right: 1rem !important;
    }
}