/* ============================================================
   LINKS SOLUTIONS — main.css
   Reset, Variables CSS, Typographie de base, Boutons, Section Base
   ============================================================ */

/* ============================================================
   RESET & ROOT
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --rouge:       #8b0000;
  --rouge-vif:   #c0392b;
  --rouge-pale:  rgba(139,0,0,0.1);
  --rouge-glow:  rgba(192,57,43,0.35);
  --bleu:        #1a2a4a;
  --bleu-mid:    #1e3a6e;
  --bleu-light:  #2c4f8c;
  --bleu-pale:   #e8eef7;
  --white:       #ffffff;
  --off-white:   #f6f7fc;
  --gray:        #6b7c99;
  --gray-light:  #9aabbd;
  --dark:        #0a111e;
  --border:      rgba(26,42,74,0.09);
  --shadow-sm:   0 2px 12px rgba(26,42,74,0.07);
  --shadow-md:   0 8px 32px rgba(26,42,74,0.10);
  --shadow-lg:   0 20px 60px rgba(26,42,74,0.14);
  --shadow-xl:   0 32px 80px rgba(26,42,74,0.18);
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   16px;
  --transition:  cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--white);
  color: var(--bleu);
  line-height: 1.7;
  overflow-x: hidden;
  cursor: none; /* Custom cursor active */
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; gap: 0.55rem;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  text-decoration: none;
  padding: 0.95rem 2rem;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  transition: all 0.25s var(--transition);
  cursor: none;
  position: relative; overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, transparent 0%, rgba(255,255,255,0.08) 100%);
  opacity: 0; transition: opacity 0.25s;
}

.btn:hover::after { opacity: 1; }

.btn-primary {
  background: var(--rouge);
  color: white;
  border-color: var(--rouge);
  box-shadow: 0 4px 16px rgba(139,0,0,0.25);
}

.btn-primary:hover {
  background: var(--rouge-vif);
  border-color: var(--rouge-vif);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px var(--rouge-glow);
}

.btn-ghost {
  background: transparent;
  color: white;
  border-color: rgba(255,255,255,0.22);
}

.btn-ghost:hover { border-color: rgba(255,255,255,0.7); background: rgba(255,255,255,0.06); }

.btn-dark {
  background: var(--bleu);
  color: white;
  border-color: var(--bleu);
}

.btn-dark:hover {
  background: var(--bleu-mid);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Arrow icon in button */
.btn-arrow {
  display: inline-flex; align-items: center; justify-content: center;
  width: 20px; height: 20px;
  background: rgba(255,255,255,0.15);
  border-radius: 50%;
  font-size: 0.8rem;
  transition: transform 0.2s;
}

.btn:hover .btn-arrow { transform: translateX(3px); }

/* ============================================================
   SECTION BASE
   ============================================================ */
.section { padding: 7.5rem 5rem; }
.section-inner { max-width: 1280px; margin: 0 auto; }

.section-label {
  display: inline-flex; align-items: center; gap: 0.75rem;
  font-size: 0.66rem; letter-spacing: 0.28em;
  text-transform: uppercase; color: var(--rouge);
  font-weight: 600; margin-bottom: 1rem;
}

.section-label::before {
  content: ''; width: 24px; height: 2px;
  background: var(--rouge); border-radius: 1px;
  flex-shrink: 0;
}

.section-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2rem, 4vw, 2.9rem); font-weight: 700;
  color: var(--bleu); line-height: 1.18; margin-bottom: 1rem;
}

.section-sub {
  color: var(--gray); font-size: 0.95rem;
  max-width: 530px; line-height: 1.85; margin-bottom: 4.5rem;
}