/**
 * Scolariis - Site Vitrine
 * Styles CSS personnalisés
 */

/* ====================================
   CSS Custom Properties (Variables)
   ==================================== */
:root {
    --color-primary-50: #eef2ff;
    --color-primary-100: #e0e7ff;
    --color-primary-200: #c7d2fe;
    --color-primary-300: #a5b4fc;
    --color-primary-400: #818cf8;
    --color-primary-500: #6366f1;
    --color-primary-600: #4f46e5;
    --color-primary-700: #4338ca;
    --color-primary-800: #3730a3;
    --color-primary-900: #312e81;
    
    --color-secondary-50: #faf5ff;
    --color-secondary-100: #f3e8ff;
    --color-secondary-200: #e9d5ff;
    --color-secondary-300: #d8b4fe;
    --color-secondary-400: #c084fc;
    --color-secondary-500: #a855f7;
    --color-secondary-600: #9333ea;
    --color-secondary-700: #7e22ce;
    --color-secondary-800: #6b21a8;
    --color-secondary-900: #581c87;
    
    --font-display: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;
}

/* ====================================
   Base Styles
   ==================================== */
html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background-color: var(--color-primary-200);
    color: var(--color-primary-900);
}

/* ====================================
   Typography
   ==================================== */
.font-display {
    font-family: var(--font-display);
}

/* ====================================
   Custom Animations
   ==================================== */
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes pulse-slow {
    0%, 100% {
        opacity: 0.7;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.05);
    }
}

@keyframes gradient-shift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

@keyframes slide-up {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fade-in {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

.animate-pulse-slow {
    animation: pulse-slow 4s ease-in-out infinite;
}

.animate-gradient {
    background-size: 200% 200%;
    animation: gradient-shift 5s ease infinite;
}

.animation-delay-2000 {
    animation-delay: 2s;
}

.animation-delay-4000 {
    animation-delay: 4s;
}

/* ====================================
   Gradient Text
   ==================================== */
.gradient-text {
    background: linear-gradient(135deg, var(--color-primary-600), var(--color-secondary-600));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ====================================
   Buttons
   ==================================== */
.btn-primary {
    background: linear-gradient(135deg, var(--color-primary-600), var(--color-secondary-600));
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0.75rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 14px 0 rgba(79, 70, 229, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-700), var(--color-secondary-700));
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(79, 70, 229, 0.4);
}

.btn-secondary {
    background: white;
    color: var(--color-primary-600);
    padding: 0.75rem 1.5rem;
    border-radius: 0.75rem;
    font-weight: 600;
    border: 2px solid #e5e7eb;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    border-color: var(--color-primary-300);
    background: var(--color-primary-50);
}

/* ====================================
   Cards
   ==================================== */
.card {
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    border: 1px solid #f3f4f6;
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transform: translateY(-4px);
}

.card-featured {
    background: linear-gradient(135deg, var(--color-primary-600), var(--color-secondary-600));
    color: white;
}

/* ====================================
   Form Elements
   ==================================== */
.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 0.75rem;
    transition: all 0.2s ease;
    font-size: 1rem;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary-500);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-input::placeholder {
    color: #9ca3af;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: #374151;
    margin-bottom: 0.5rem;
}

/* ====================================
   Navigation
   ==================================== */
.nav-link {
    position: relative;
    color: #6b7280;
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-link:hover {
    color: var(--color-primary-600);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary-600), var(--color-secondary-600));
    transition: width 0.3s ease;
}

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

/* ====================================
   Glassmorphism
   ==================================== */
.glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.glass-dark {
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ====================================
   Scrollbar
   ==================================== */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: #cbd5e1 #f1f5f9;
}

/* ====================================
   Loading Spinner
   ==================================== */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #e5e7eb;
    border-top-color: var(--color-primary-600);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ====================================
   Tooltips
   ==================================== */
.tooltip {
    position: relative;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.5rem 0.75rem;
    background: #1f2937;
    color: white;
    font-size: 0.75rem;
    border-radius: 0.375rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    margin-bottom: 0.5rem;
}

.tooltip:hover::after {
    opacity: 1;
    visibility: visible;
}

/* ====================================
   Badges
   ==================================== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 9999px;
}

.badge-primary {
    background: var(--color-primary-100);
    color: var(--color-primary-700);
}

.badge-success {
    background: #d1fae5;
    color: #065f46;
}

.badge-warning {
    background: #fef3c7;
    color: #92400e;
}

.badge-danger {
    background: #fee2e2;
    color: #991b1b;
}

/* ====================================
   Feature Icons
   ==================================== */
.feature-icon {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.feature-icon:hover {
    transform: scale(1.1);
}

/* ====================================
   Section Dividers
   ==================================== */
.section-divider {
    position: relative;
    height: 4rem;
    overflow: hidden;
}

.section-divider svg {
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 100%;
}

/* ====================================
   Testimonial Cards
   ==================================== */
.testimonial-card {
    position: relative;
    padding-left: 2rem;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    left: 0;
    top: -0.5rem;
    font-size: 4rem;
    font-family: Georgia, serif;
    color: var(--color-primary-200);
    line-height: 1;
}

/* ====================================
   Pricing Cards
   ==================================== */
.pricing-card {
    transition: all 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-8px);
}

.pricing-card.featured {
    transform: scale(1.05);
    z-index: 10;
}

.pricing-card.featured:hover {
    transform: scale(1.08);
}

/* ====================================
   FAQ Accordion
   ==================================== */
.faq-item {
    border-bottom: 1px solid #e5e7eb;
}

.faq-toggle {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 0;
    text-align: left;
    font-weight: 600;
    color: #111827;
    transition: color 0.2s ease;
}

.faq-toggle:hover {
    color: var(--color-primary-600);
}

.faq-toggle i {
    transition: transform 0.3s ease;
}

.faq-toggle.active i {
    transform: rotate(180deg);
}

.faq-content {
    padding-bottom: 1.25rem;
    color: #6b7280;
}

/* ====================================
   Responsive Utilities
   ==================================== */
@media (max-width: 768px) {
    .hide-mobile {
        display: none !important;
    }
    
    .text-responsive {
        font-size: 0.875rem;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .pricing-card.featured:hover {
        transform: translateY(-8px);
    }
}

@media (min-width: 769px) {
    .hide-desktop {
        display: none !important;
    }
}

/* ====================================
   Print Styles
   ==================================== */
@media print {
    .no-print {
        display: none !important;
    }
    
    body {
        background: white;
    }
    
    a {
        text-decoration: underline;
    }
}

/* ====================================
   Dark Mode Support (Optional)
   ==================================== */
@media (prefers-color-scheme: dark) {
    /* Uncomment to enable dark mode */
    /*
    :root {
        --bg-primary: #111827;
        --bg-secondary: #1f2937;
        --text-primary: #f9fafb;
        --text-secondary: #d1d5db;
    }
    
    body {
        background: var(--bg-primary);
        color: var(--text-primary);
    }
    */
}

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

:focus-visible {
    outline: 2px solid var(--color-primary-500);
    outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}