/* Global Styles */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
  --black: #000000;
  --white: #FFFFFF;
  --gray-100: #F5F5F5;
  --gray-200: #E8E8E8;
  --gray-300: #D4D4D4;
  --gray-400: #A8A8A8;
  --gray-600: #525252;
  --gray-800: #262626;
  --yellow: #FFE500;
  --yellow-dark: #E6CE00;
}

* {
  box-sizing: border-box;
}

body {
  font-family: 'Outfit', sans-serif;
  background-color: var(--white);
  color: var(--black);
  line-height: 1.6;
}

/* Typography */
h1 { 
  font-weight: 800;
  letter-spacing: -0.02em;
}

h2 {
  font-weight: 700;
  letter-spacing: -0.01em;
}

/* Buttons - Clean style */
.btn {
  display: inline-block;
  padding: 16px 32px;
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  border: 3px solid var(--black);
  background: var(--white);
  color: var(--black);
  transition: background 0.1s ease, color 0.1s ease;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Primary button - black bg */
.btn-primary {
  background: var(--black);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--yellow);
  color: var(--black);
}

/* Secondary button - white bg */
.btn-secondary {
  background: var(--white);
  color: var(--black);
}

.btn-secondary:hover {
  background: var(--yellow);
  color: var(--black);
}

/* Yellow accent button */
.btn-accent {
  background: var(--yellow);
  color: var(--black);
}

.btn-accent:hover {
  background: var(--yellow-dark);
  color: var(--black);
}

/* Cards with drop shadow */
.card {
  background: var(--white);
  border: 3px solid var(--black);
  position: relative;
}

.card:after {
  content: '';
  position: absolute;
  top: 6px;
  left: 6px;
  right: -6px;
  bottom: -6px;
  background: var(--black);
  z-index: -1;
}

.card:hover:after {
  background: var(--yellow);
}

/* Navigation */
.nav-link {
  font-weight: 500;
  text-decoration: none;
  color: var(--black);
  position: relative;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 14px;
}

.nav-link:after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--yellow);
  transition: width 0.3s ease;
}

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

/* Input fields */
input[type="text"],
input[type="email"],
textarea {
  font-family: 'Outfit', sans-serif;
  padding: 12px 16px;
  border: 3px solid var(--black);
  background: var(--white);
  width: 100%;
  font-size: 16px;
  transition: all 0.2s ease;
}

input[type="text"]:focus,
input[type="email"]:focus,
textarea:focus {
  outline: none;
  box-shadow: 6px 6px 0 var(--yellow);
  transform: translate(-2px, -2px);
}

/* Loading animation */
.typing-indicator::after {
  content: '...';
  animation: typing 1.4s infinite;
}

@keyframes typing {
  0%, 60%, 100% { opacity: 0.2; }
  30% { opacity: 1; }
}

/* Message animations */
.message {
  animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
  from { 
    opacity: 0; 
    transform: translateY(10px); 
  }
  to { 
    opacity: 1; 
    transform: translateY(0); 
  }
}

/* Glow effect for hero */
.phare-glow {
  animation: glow 3s ease-in-out infinite alternate;
}

@keyframes glow {
  from { filter: drop-shadow(0 0 20px var(--yellow)); }
  to { filter: drop-shadow(0 0 30px var(--yellow)); }
}

/* Utility classes */
.hidden {
  display: none !important;
}