/* ─── Reset & Tokens ─── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#F6F5F0;--surface:#FFFFFF;--surface-el:#FAFAF7;
  --primary:#1B4D3E;--primary-light:#1E6349;--primary-pale:#E8F0EC;
  --accent:#E8A838;--accent-warm:#F4C96B;
  --text:#1A1A1A;--text-sec:#474D57;--text-muted:#4A5059;
  --border:#8E8E88;--border-subtle:#E5E5E0;
  --success:#15613A;--info:#1E40AF;--error:#991B1B;
  --radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px;
  --shadow-card:0 1px 3px rgba(0,0,0,0.06),0 1px 2px rgba(0,0,0,0.04);
  --shadow-hover:0 8px 24px rgba(0,0,0,0.10),0 2px 6px rgba(0,0,0,0.04);
  --shadow-elevated:0 12px 40px rgba(0,0,0,0.10);
  --font:'DM Sans',system-ui,sans-serif;--mono:'DM Mono',monospace;
}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.6;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

/* ─── Utilities ─── */
.container{max-width:1200px;margin:0 auto;padding:0 24px}
@media(min-width:768px){.container{padding:0 40px}}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
.fade-in{opacity:0;transform:translateY(24px);transition:opacity 0.7s ease,transform 0.7s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:0.4}}

/* ─── Navigation ─── */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(246,245,240,0.85);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border-subtle);transition:box-shadow 0.3s ease}
.nav.scrolled{box-shadow:0 2px 20px rgba(0,0,0,0.06)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;color:var(--primary);letter-spacing:-0.5px}
.nav-logo-icon{width:36px;height:36px;background:var(--primary);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center}
.nav-logo-icon svg{width:20px;height:20px}
.nav-links{display:none;gap:4px}
@media(min-width:768px){.nav-links{display:flex}}
.nav-links a{padding:8px 16px;font-size:14px;font-weight:500;color:var(--text-sec);border-radius:var(--radius-sm);transition:all 0.2s}
.nav-links a:hover{color:var(--primary);background:var(--primary-pale)}
.nav-links a.active{color:var(--primary);font-weight:600}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-cta .btn-outline{display:none}
@media(min-width:768px){.nav-cta .btn-outline{display:inline-flex}}
.mobile-menu-btn{display:flex;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.mobile-menu-btn span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px;transition:0.3s}
@media(min-width:768px){.mobile-menu-btn{display:none}}
.mobile-menu{display:none;position:fixed;top:64px;left:0;right:0;background:var(--surface);border-bottom:1px solid var(--border-subtle);padding:16px 24px;box-shadow:var(--shadow-elevated);z-index:99}
.mobile-menu.open{display:flex;flex-direction:column;gap:4px}
.mobile-menu a{padding:14px 16px;font-size:15px;font-weight:500;color:var(--text-sec);border-radius:var(--radius-sm)}
.mobile-menu a:hover{background:var(--primary-pale);color:var(--primary)}

/* ─── Buttons ─── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--font);font-size:14px;font-weight:600;padding:12px 24px;border-radius:var(--radius-md);border:none;cursor:pointer;transition:all 0.25s ease;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 2px 8px rgba(27,77,62,0.25)}
.btn-primary:hover{background:var(--primary-light);transform:translateY(-1px);box-shadow:0 4px 16px rgba(27,77,62,0.3)}
.btn-outline{background:transparent;color:var(--primary);border:1.5px solid var(--primary)}
.btn-outline:hover{background:var(--primary-pale)}
.btn-accent{background:var(--accent);color:var(--text);box-shadow:0 2px 8px rgba(232,168,56,0.3)}
.btn-accent:hover{background:var(--accent-warm);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--text-sec);padding:8px 16px}
.btn-ghost:hover{color:var(--primary);background:var(--primary-pale)}
.btn-lg{padding:16px 32px;font-size:16px;border-radius:var(--radius-lg)}

/* ─── Section Shared ─── */
.section-label{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--primary);letter-spacing:1px;text-transform:uppercase;margin-bottom:12px}
.section-label::before{content:'';width:20px;height:2px;background:var(--accent);border-radius:1px}
.section-title{font-size:clamp(28px,4vw,40px);font-weight:800;letter-spacing:-1px;color:var(--text);margin-bottom:8px}
.section-desc{font-size:16px;color:var(--text-sec);max-width:560px;margin-bottom:40px}

/* ─── Page Header ─── */
.page-header{padding:120px 0 48px;position:relative;overflow:hidden}
.page-header::before{content:'';position:absolute;top:-200px;right:-200px;width:600px;height:600px;background:radial-gradient(circle,rgba(27,77,62,0.06) 0%,transparent 70%);pointer-events:none}
@media(min-width:768px){.page-header{padding:140px 0 56px}}
.page-header h1{font-size:clamp(32px,5vw,48px);font-weight:800;letter-spacing:-1px;color:var(--text);margin-bottom:12px}
.page-header p{font-size:18px;color:var(--text-sec);max-width:560px;line-height:1.7}
.page-header .breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-muted);margin-bottom:20px}
.page-header .breadcrumb a{color:var(--primary);font-weight:500}
.page-header .breadcrumb a:hover{text-decoration:underline}

/* ─── Footer ─── */
.footer{background:var(--text);color:rgba(255,255,255,0.7);padding:64px 0 32px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:40px;margin-bottom:48px}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:960px){.footer-grid{grid-template-columns:2fr repeat(3,1fr)}}
.footer-brand p{max-width:280px;font-size:14px;line-height:1.6;margin-top:12px}
.footer h4{font-size:13px;font-weight:700;color:#fff;text-transform:uppercase;letter-spacing:1px;margin-bottom:16px}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;transition:color 0.2s}
.footer-links a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding-top:24px;display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:center;font-size:13px}
.footer-bottom a{transition:color 0.2s}
.footer-bottom a:hover{color:#fff}

/* ─── Language Switcher ─── */
.lang-switcher{position:relative}
.lang-switcher-btn{display:flex;align-items:center;justify-content:center;width:36px;height:36px;background:transparent;border:1.5px solid var(--border-subtle);border-radius:var(--radius-sm);cursor:pointer;color:var(--text-sec);transition:all 0.2s}
.lang-switcher-btn:hover{color:var(--primary);border-color:var(--primary);background:var(--primary-pale)}
.lang-switcher-dropdown{display:none;position:absolute;top:calc(100% + 8px);right:0;background:var(--surface);border:1px solid var(--border-subtle);border-radius:var(--radius-md);box-shadow:var(--shadow-elevated);min-width:160px;padding:6px;z-index:200}
.lang-switcher.open .lang-switcher-dropdown{display:block}
.lang-switcher-dropdown button{display:block;width:100%;padding:8px 14px;font-family:var(--font);font-size:13px;font-weight:500;color:var(--text-sec);background:none;border:none;border-radius:var(--radius-sm);cursor:pointer;text-align:left;transition:all 0.15s}
.lang-switcher-dropdown button:hover{background:var(--primary-pale);color:var(--primary)}
.lang-switcher-dropdown button.lang-active{color:var(--primary);font-weight:600;background:var(--primary-pale)}
.mobile-lang-links{display:flex;flex-wrap:wrap;gap:4px;padding:12px 16px;border-top:1px solid var(--border-subtle);margin-top:8px}
.mobile-lang-links button{padding:6px 12px;font-family:var(--font);font-size:13px;font-weight:500;color:var(--text-sec);background:none;border:1px solid var(--border-subtle);border-radius:9999px;cursor:pointer;transition:all 0.15s}
.mobile-lang-links button:hover{border-color:var(--primary);color:var(--primary)}
.mobile-lang-links button.lang-active{background:var(--primary);color:#fff;border-color:var(--primary)}