/* ============================================
   KOM1TRANSITION — Redesign 2026
   Basé sur le design existant kom1transition-site
   Couleurs: Bleu #639fe8, Orange #e8ac63
   Typo: Red Hat Display, DM Sans
   ============================================ */

/* --- Variables --- */
:root {
    /* Couleurs KOM1TRANSITION */
    --kom-blue: #91bff8;
    --kom-blue-strong: #639fe8;
    --kom-blue-deep: #3568b3;
    --kom-blue-soft: #eaf3ff;
    
    --kom-orange: #e8ac63;
    --kom-orange-deep: #d9984a;
    --kom-orange-soft: #fff3e2;
    
    --kom-ink: #1d2430;
    --kom-ink-soft: #2f3a4d;
    --kom-muted: #5f6673;
    --kom-muted-soft: #7a8495;
    
    --kom-bg: #f4f6f8;
    --kom-bg-elev: #f4f6f8;
    --kom-bg-subtle: #f4f6f8;
    --kom-white: #ffffff;
    --kom-border: #d8e3f1;
    
    --shadow-sm: 0 8px 20px rgba(17,31,51,.08);
    --shadow-md: 0 16px 36px rgba(17,31,51,.12);
    --shadow-lg: 0 24px 48px rgba(17,31,51,.16);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --transition: 0.3s ease;
}

/* --- Reset --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 120px;
    overflow-x: hidden;
    overflow-x: clip;
}

body {
    font-family: 'DM Sans', sans-serif;
    font-size: 17px;
    line-height: 1.7;
    color: var(--kom-muted);
    background: var(--kom-white);
    -webkit-font-smoothing: antialiased;
    max-width: 100%;
    overflow-x: hidden;
    overflow-x: clip;
}

.skip-link {
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 10000;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    background: var(--kom-white);
    color: var(--kom-ink);
    font-weight: 700;
    box-shadow: var(--shadow-md);
    transform: translateY(calc(-100% - 24px));
    transition: transform 0.2s ease;
}

.skip-link:focus {
    transform: translateY(0);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--kom-blue-strong);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--kom-orange-deep);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Red Hat Display', sans-serif;
    color: var(--kom-ink);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }

p { margin-bottom: 1rem; }

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-family: 'Red Hat Display', sans-serif;
    font-size: 16px;
    font-weight: 700;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: 800ms;
    text-decoration: none;
    overflow: hidden;
    position: relative;
    z-index: 1;
}

.btn::before {
    content: "";
    position: absolute;
    width: 200%;
    height: 200%;
    top: 110%;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 50%;
    transition-duration: 800ms;
    z-index: -1;
}

.btn-primary {
    background: var(--kom-orange);
    border-color: var(--kom-orange);
    color: var(--kom-ink);
    box-shadow: var(--shadow-sm);
}

.btn-primary::before {
    background: var(--kom-blue-strong);
}

.btn-primary:hover {
    background: var(--kom-blue-strong);
    border-color: var(--kom-blue-strong);
    color: var(--kom-white);
    transform: translateY(-2px);
    box-shadow: 0 14px 30px rgba(53,104,179,.35);
}

.btn-primary:hover::before {
    top: -40%;
}

.btn-white {
    background: var(--kom-white);
    border-color: var(--kom-white);
    color: var(--kom-ink);
    box-shadow: var(--shadow-sm);
}

.btn-white::before {
    background: var(--kom-orange);
}

.btn-white:hover {
    background: var(--kom-orange);
    border-color: var(--kom-orange);
    color: var(--kom-ink);
    transform: translateY(-2px);
}

.btn-white:hover::before {
    top: -40%;
}

.btn-outline-white {
    background: transparent;
    color: var(--kom-white);
    border: 2px solid rgba(255,255,255,0.4);
}

.btn-outline-white::before {
    background: var(--kom-white);
}

.btn-outline-white:hover {
    background: var(--kom-white);
    color: var(--kom-ink);
    border-color: var(--kom-white);
}

.btn-outline-white:hover::before {
    top: -40%;
}

/* ============================================