/* ==========================================================================
   CSS VARIABLES & BASE (POXUDEL.ONE - SKY BLUE)
   ========================================================================== */
:root {
    --primary-color: #0ea5e9;
    --primary-light: #38bdf8;
    --primary-dark: #0284c7;
    --bg-color: #f0f9ff;
    --bg-white: #ffffff;
    --text-main: #334155;
    --text-muted: #64748b;
    --heading-color: #0f172a;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --radius-md: 8px;
    --radius-lg: 16px;
    --transition: all 0.3s ease-in-out;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; background-color: var(--bg-white); color: var(--text-main); line-height: 1.8; overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-md); }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }

/* ==========================================================================
   LAYOUT & GRID
   ========================================================================== */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section-padding { padding: 100px 0; }
.bg-light { background-color: var(--bg-color); }
.text-center { text-align: center; }
.grid { display: grid; gap: 32px; }
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
@media (min-width: 768px) { .grid-2 { grid-template-columns: repeat(2, 1fr); } .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }

/* ==========================================================================
   TYPOGRAPHY & BUTTONS
   ========================================================================== */
h1, h2, h3, h4 { color: var(--heading-color); font-weight: 700; line-height: 1.3; }
.section-title { font-size: 2.5rem; margin-bottom: 24px; position: relative; padding-bottom: 16px; }
.section-title::after { content: ''; position: absolute; left: 0; bottom: 0; width: 60px; height: 4px; background-color: var(--primary-color); border-radius: 2px; }
.text-center .section-title::after { left: 50%; transform: translateX(-50%); }
.section-subtitle { font-size: 1.1rem; color: var(--text-muted); margin-bottom: 48px; max-width: 800px; }
.text-center .section-subtitle { margin-left: auto; margin-right: auto; }

.btn { display: inline-flex; align-items: center; justify-content: center; padding: 14px 32px; font-weight: 600; border-radius: var(--radius-md); cursor: pointer; transition: var(--transition); border: 2px solid transparent; }
.btn-primary { background-color: var(--primary-color); color: var(--bg-white); box-shadow: var(--shadow-md); }
.btn-primary:hover { background-color: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-outline { background-color: transparent; border-color: var(--primary-color); color: var(--primary-color); }
.btn-outline:hover { background-color: var(--primary-color); color: var(--bg-white); }

/* ==========================================================================
   COMPONENTS (CARDS, FORMS, ACCORDION)
   ========================================================================== */
.card { background: var(--bg-white); border: 1px solid var(--border-color); padding: 40px; border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); transition: var(--transition); }
.card:hover { box-shadow: var(--shadow-lg); border-color: var(--primary-light); transform: translateY(-4px); }
.card-icon { font-size: 2.5rem; color: var(--primary-color); margin-bottom: 20px; }

.form-group { margin-bottom: 24px; text-align: left; }
.form-label { display: block; margin-bottom: 8px; font-weight: 600; color: var(--heading-color); }
.form-input, .form-textarea { width: 100%; padding: 16px; border: 1px solid var(--border-color); border-radius: var(--radius-md); font-family: inherit; font-size: 1rem; transition: var(--transition); background: #f8fafc; }
.form-input:focus, .form-textarea:focus { outline: none; border-color: var(--primary-color); background: var(--bg-white); box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.1); }
.form-textarea { min-height: 160px; resize: vertical; }

.accordion-item { border: 1px solid var(--border-color); border-radius: var(--radius-md); margin-bottom: 16px; overflow: hidden; background: var(--bg-white); }
.accordion-header { padding: 20px 24px; background: #f8fafc; font-weight: 600; cursor: pointer; display: flex; justify-content: space-between; color: var(--heading-color); }
.accordion-content { padding: 24px; color: var(--text-main); border-top: 1px solid var(--border-color); display: block; } /* Visible by default for SEO/simplicity in this HTML */

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.site-header { background: var(--bg-white); box-shadow: var(--shadow-sm); position: sticky; top: 0; z-index: 100; padding: 20px 0; }
.nav-container { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.8rem; font-weight: 800; color: var(--primary-color); letter-spacing: -0.5px; }
.nav-menu { display: flex; gap: 32px; align-items: center; }
.nav-menu a { font-weight: 500; color: var(--heading-color); }
.nav-menu a:hover { color: var(--primary-color); }
.menu-toggle { display: none; }
.hamburger { display: none; flex-direction: column; gap: 6px; cursor: pointer; }
.hamburger span { width: 30px; height: 3px; background: var(--heading-color); transition: 0.3s; }
@media (max-width: 768px) {
    .nav-menu { display: none; position: absolute; top: 100%; left: 0; width: 100%; background: var(--bg-white); flex-direction: column; padding: 24px; box-shadow: var(--shadow-md); gap: 16px; }
    .hamburger { display: flex; }
    .menu-toggle:checked ~ .nav-menu { display: flex; }
}

/* ==========================================================================
   HERO & FOOTER & COOKIES
   ========================================================================== */
.hero { background: linear-gradient(135deg, var(--bg-color) 0%, var(--bg-white) 100%); padding: 120px 0; position: relative; overflow: hidden; }
.hero-content { max-width: 800px; margin: 0 auto; text-align: center; position: relative; z-index: 2; }
.hero h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); margin-bottom: 24px; color: #fff; }
.hero p { font-size: 1.25rem; color: #fff; margin-bottom: 40px; }

.site-footer { background: var(--heading-color); color: var(--bg-white); padding: 80px 0 40px; margin-top: auto; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 48px; margin-bottom: 60px; }
@media (min-width: 768px) { .footer-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; } }
.footer-title { font-size: 1.25rem; margin-bottom: 24px; color: var(--bg-white); }
.footer-links li { margin-bottom: 12px; }
.footer-links a { color: #cbd5e1; transition: 0.3s; }
.footer-links a:hover { color: var(--primary-light); padding-left: 5px; }
.footer-bottom { border-top: 1px solid #334155; padding-top: 32px; text-align: center; color: #94a3b8; }

#cookie-banner { position: fixed; bottom: 0; left: 0; right: 0; background: #1e293b; color: #f8fafc; padding: 20px; z-index: 9999; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 20px; box-shadow: 0 -10px 25px rgba(0,0,0,0.1); }
#cookie-banner.hidden { display: none; }
#cookie-banner p { flex: 1; min-width: 300px; margin: 0; font-size: 0.95rem; }
#cookie-banner a { color: var(--primary-light); text-decoration: underline; }
.cookie-buttons { display: flex; gap: 12px; }
.cookie-btn { padding: 10px 20px; border: none; border-radius: 6px; cursor: pointer; font-weight: 600; transition: 0.3s; }
.btn-accept { background: var(--primary-color); color: #fff; }
.btn-accept:hover { background: var(--primary-dark); }
.btn-decline { background: transparent; border: 1px solid #64748b; color: #fff; }
.btn-decline:hover { background: #334155; }