/* ===== NAV ===== */
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;padding:12px 0;transition:padding .3s ease;background:transparent}
.nav.scrolled{padding:8px 0}

.nav-inner{display:flex;align-items:center;justify-content:space-between;height:48px;background:rgba(255,255,255,.65);backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);border-radius:14px;border:1px solid rgba(0,0,0,.06);padding:0 6px 0 16px;box-shadow:0 1px 3px rgba(0,0,0,.04),0 4px 16px rgba(0,0,0,.04);transition:box-shadow .3s ease}
.nav.scrolled .nav-inner{box-shadow:0 2px 8px rgba(0,0,0,.06),0 8px 24px rgba(0,0,0,.06)}
[data-theme="dark"] .nav-inner{background:rgba(30,30,30,.65);border-color:rgba(255,255,255,.06);box-shadow:0 1px 3px rgba(0,0,0,.15),0 4px 16px rgba(0,0,0,.12)}
[data-theme="dark"] .nav.scrolled .nav-inner{box-shadow:0 2px 8px rgba(0,0,0,.25),0 8px 24px rgba(0,0,0,.2)}

.logo{display:flex;align-items:center;gap:8px}
.logo-mark{width:28px;height:28px;border-radius:var(--radius);flex-shrink:0}
.logo-text{font-weight:600;font-size:15px;color:var(--text)}
.nav-links{display:flex;align-items:center;gap:1px;list-style:none;background:rgba(0,0,0,.03);border-radius:10px;padding:3px}
[data-theme="dark"] .nav-links{background:rgba(255,255,255,.04)}
.nav-link{font-size:13px;font-weight:500;color:var(--text-secondary);padding:6px 14px;border-radius:8px;transition:var(--transition)}
.nav-link:hover{color:var(--text)}
.nav-link.active{background:var(--bg);color:var(--text);box-shadow:0 1px 3px rgba(0,0,0,.06)}
[data-theme="dark"] .nav-link.active{background:rgba(255,255,255,.08);box-shadow:0 1px 3px rgba(0,0,0,.2)}
.nav-right{display:flex;align-items:center;gap:8px}
.nav-right .btn-primary{font-size:13px;padding:7px 16px;border-radius:10px}

.theme-toggle{display:flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;border:none;background:transparent;cursor:pointer;transition:background .2s ease,color .2s ease;color:var(--text-secondary);flex-shrink:0}
.theme-toggle:hover{background:rgba(0,0,0,.06);color:var(--text)}
[data-theme="dark"] .theme-toggle:hover{background:rgba(255,255,255,.08)}
.theme-toggle svg{transition:transform .5s cubic-bezier(.4,0,.2,1),opacity .3s ease}
.theme-toggle:active svg{transform:rotate(180deg) scale(.8)}
.theme-toggle.animating .icon-sun{animation:toggleIn .5s cubic-bezier(.4,0,.2,1)}
.theme-toggle.animating .icon-moon{animation:toggleIn .5s cubic-bezier(.4,0,.2,1)}
@keyframes toggleIn{0%{transform:rotate(-180deg) scale(0);opacity:0}100%{transform:rotate(0) scale(1);opacity:1}}
.icon-moon{display:none}
[data-theme="dark"] .icon-sun{display:none}
[data-theme="dark"] .icon-moon{display:block}
.mobile-theme-row{display:none}
.theme-toggle-mobile{display:none}

.menu-toggle{display:none;background:none;border:none;cursor:pointer;padding:0;z-index:101}
.menu-toggle-lines{display:flex;flex-direction:column;justify-content:center;align-items:center;width:22px;height:16px;position:relative}
.menu-toggle span{display:block;width:100%;height:2px;background:var(--text);border-radius:2px;position:absolute;left:0;transition:transform .3s cubic-bezier(.32,.72,0,1),top .3s cubic-bezier(.32,.72,0,1),opacity .2s ease}
.menu-toggle span:nth-child(1){top:0}
.menu-toggle span:nth-child(2){top:7px}
.menu-toggle span:nth-child(3){top:14px}
.menu-toggle.active span:nth-child(1){top:7px;transform:rotate(45deg)}
.menu-toggle.active span:nth-child(2){opacity:0;transform:scaleX(0)}
.menu-toggle.active span:nth-child(3){top:7px;transform:rotate(-45deg)}
.mobile-menu-cta{display:none;list-style:none}
.nav-overlay{display:none}

/* ===== FOOTER ===== */
.footer{padding:64px 0 32px;border-top:1px solid var(--border);background:var(--bg)}
.footer-top{display:flex;align-items:flex-start;justify-content:space-between;padding-bottom:40px;margin-bottom:40px;border-bottom:1px solid var(--border-light)}
.footer-brand p{margin-top:12px;font-size:14px;color:var(--text-tertiary);max-width:240px;line-height:1.6}
.footer-cta{display:flex;align-items:center}
.footer-email{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--green);padding:8px 16px;border:1px solid var(--green);border-radius:100px;transition:var(--transition)}
.footer-email:hover{background:var(--green);color:#fff;transform:translateY(-1px);box-shadow:0 4px 12px rgba(46,160,67,.2)}
.footer-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:40px;margin-bottom:48px}
.footer-col h4{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:1.5px;color:var(--text-tertiary);margin-bottom:16px}
.footer-col a{display:block;font-size:14px;color:var(--text-secondary);padding:4px 0;transition:var(--transition)}
.footer-col a:hover{color:var(--green)}
.footer-bottom{border-top:1px solid var(--border-light);padding-top:20px;font-size:13px;color:var(--text-tertiary)}

/* ===== FORMS ===== */
.contact-form{display:flex;flex-direction:column;gap:16px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{display:flex;flex-direction:column;gap:6px}
.form-group label{font-size:13px;font-weight:500;color:var(--text)}
.contact-form input,.contact-form select,.contact-form textarea{padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius);font-size:14px;font-family:inherit;color:var(--text);background:var(--bg);transition:var(--transition);outline:none}
.contact-form input::placeholder,.contact-form textarea::placeholder{color:var(--text-tertiary)}
.contact-form select{
    appearance:none;
    -webkit-appearance:none;
    -moz-appearance:none;
    background:var(--bg) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%239B9A97' viewBox='0 0 16 16'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E") no-repeat right 12px center;
    background-size:16px;
    padding-right:36px;
    cursor:pointer;
}
.contact-form select::-ms-expand{display:none}
.contact-form select::-webkit-calendar-picker-indicator{display:none;opacity:0}
.contact-form select::-webkit-list-button{display:none;opacity:0}
.contact-form select option{background:var(--bg);color:var(--text)}
.contact-form select option:first-child{color:var(--text-tertiary)}
.contact-form select:invalid{color:var(--text-tertiary)}
.contact-form select:valid{color:var(--text)}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(46,160,67,.1)}
.contact-form textarea{resize:vertical;min-height:100px}