/* ============================================
   GIROUD CARRELAGE - Styles de Base
   ============================================ */

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-normal);
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

body > footer {
    margin-top: auto;
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Sections */
section {
    padding: var(--section-padding) 0;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    letter-spacing: var(--letter-spacing-tight);
}

h1 { font-size: var(--font-size-hero); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-xl); }

/* Section Titles */
.section-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: var(--font-size-md);
    color: var(--color-text-secondary);
    text-align: center;
    max-width: 750px;
    margin: 0 auto var(--spacing-2xl);
    line-height: var(--line-height-relaxed);
}

/* Accent Text */
.accent-text {
    color: var(--color-accent-primary);
}

/* Links */
a {
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-accent-primary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-full);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-base);
    transition: all var(--transition-normal);
    cursor: pointer;
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: var(--color-accent-gradient);
    color: #ffffff;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-accent);
    color: #ffffff;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--color-accent-primary);
    color: var(--color-accent-primary);
}

.btn-outline:hover {
    background: var(--color-accent-primary);
    color: #ffffff;
    transform: translateY(-2px);
}

/* Fade-in Animation */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* Selection */
::selection {
    background: var(--color-accent-primary);
    color: var(--color-bg-primary);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--color-bg-tertiary);
    border-radius: var(--border-radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-muted);
}

/* Responsive */
@media (max-width: 768px) {
    h2 { font-size: var(--font-size-2xl); }
    h3 { font-size: var(--font-size-lg); }

    .section-title {
        font-size: var(--font-size-2xl);
    }
}