/* ===================================
   DESIGN SYSTEM - Variables CSS
   Extrait du site Base44 original
   =================================== */

:root {
  --background: 0 0% 100%;
  --foreground: 0 0% 3.9%;
  --card: 0 0% 100%;
  --card-foreground: 0 0% 3.9%;
  --popover: 0 0% 100%;
  --popover-foreground: 0 0% 3.9%;
  --primary: 0 0% 9%;
  --primary-foreground: 0 0% 98%;
  --secondary: 0 0% 96.1%;
  --secondary-foreground: 0 0% 9%;
  --muted: 0 0% 96.1%;
  --muted-foreground: 0 0% 45.1%;
  --accent: 0 0% 96.1%;
  --accent-foreground: 0 0% 9%;
  --destructive: 0 84.2% 60.2%;
  --destructive-foreground: 0 0% 98%;
  --border: 0 0% 89.8%;
  --input: 0 0% 89.8%;
  --ring: 0 0% 3.9%;
  --radius: 0.5rem;
}

.dark {
  --background: 0 0% 3.9%;
  --foreground: 0 0% 98%;
  --card: 0 0% 3.9%;
  --card-foreground: 0 0% 98%;
  --popover: 0 0% 3.9%;
  --popover-foreground: 0 0% 98%;
  --primary: 0 0% 98%;
  --primary-foreground: 0 0% 9%;
  --secondary: 0 0% 14.9%;
  --secondary-foreground: 0 0% 98%;
  --muted: 0 0% 14.9%;
  --muted-foreground: 0 0% 63.9%;
  --accent: 0 0% 14.9%;
  --accent-foreground: 0 0% 98%;
  --destructive: 0 62.8% 30.6%;
  --destructive-foreground: 0 0% 98%;
  --border: 0 0% 14.9%;
  --input: 0 0% 14.9%;
  --ring: 0 0% 83.1%;
}

* {
  border-color: hsl(var(--border));
  outline-color: hsl(var(--ring) / 0.5);
}

body {
  background-color: hsl(var(--background));
  color: hsl(var(--foreground));
}

/* ===================================
   NAVIGATION
   =================================== */

.nav-link {
    position: relative;
    font-weight: 500;
    color: hsl(var(--foreground));
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(to right, #3b82f6, #8b5cf6);
    transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: #3b82f6;
}

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

/* Header Scroll Effect */
.header-scrolled {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* ===================================
   CARDS & COMPONENTS
   =================================== */

.service-card {
    position: relative;
}

.service-card-inner {
    transform: translateY(0);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.card-hover-effect {
    position: relative;
    overflow: hidden;
}

.card-hover-effect::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.card-hover-effect:hover::before {
    left: 100%;
}

/* ===================================
   ANIMATIONS
   =================================== */

@keyframes fade-in-down {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes blob {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(20px, -50px) scale(1.1);
    }
    50% {
        transform: translate(-20px, 20px) scale(0.9);
    }
    75% {
        transform: translate(50px, 50px) scale(1.05);
    }
}

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

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* Animation de flottement pour les cartes */
@keyframes float-up-down {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes float-down-up {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(20px);
    }
}

@keyframes float-vertical {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-25px);
    }
}

/* Classes pour les cartes flottantes */
.floating-card {
    animation-duration: 4s;
    animation-iteration-count: infinite;
    animation-timing-function: ease-in-out;
}

.floating-card-1 {
    animation-name: float-down-up;
    animation-delay: 0s;
}

.floating-card-2 {
    animation-name: float-up-down;
    animation-delay: 0s;
}

.floating-card-3 {
    animation-name: float-vertical;
    animation-delay: 0.5s;
}

/* Animation Classes */
.animate-fade-in-down {
    animation: fade-in-down 0.8s ease-out;
}

.animate-fade-in-up {
    animation: fade-in-up 0.8s ease-out;
}

.animate-blob {
    animation: blob 20s ease-in-out infinite;
}

.animate-spin {
    animation: spin 1s linear infinite;
}

.animate-bounce {
    animation: bounce 2s ease-in-out infinite;
}

.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

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

/* ===================================
   UTILITIES
   =================================== */

.bg-accent {
    background-color: rgb(44 52 148 / var(--tw-bg-opacity, 1)) !important;
}

/* Gradient Text */
.bg-clip-text {
    -webkit-background-clip: text;
    background-clip: text;
}

/* Smooth scroll */
html {
    scroll-behavior: smooth;
}

/* ===================================
   FORMS
   =================================== */

input[type="text"],
input[type="email"],
input[type="tel"],
textarea {
    transition: all 0.2s ease;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
textarea:focus {
    transform: translateY(-2px);
    box-shadow: 0 4px 6px -1px rgba(59, 130, 246, 0.1), 
                0 2px 4px -1px rgba(59, 130, 246, 0.06);
}

/* ===================================
   BUTTONS
   =================================== */

.btn-primary {
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-primary:hover::before {
    width: 300px;
    height: 300px;
}

/* ===================================
   SCROLLBAR
   =================================== */

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: hsl(var(--muted));
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(to bottom, #3b82f6, #8b5cf6);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(to bottom, #2563eb, #7c3aed);
}

/* ===================================
   ACCESSIBILITY
   =================================== */

/* Focus states */
button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid hsl(var(--ring));
    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;
    }
}

/* ===================================
   RESPONSIVE
   =================================== */

@media (max-width: 768px) {
    .nav-link::after {
        display: none;
    }
}

/* ===================================
   PRINT
   =================================== */

@media print {
    header,
    footer,
    .no-print {
        display: none;
    }
}