/* =========================================
   DigiCraft — Header & Footer Styles
   ========================================= */

/* ── Site Header ── */
.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    padding-block: 18px;
    transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
}
.site-header.scrolled {
    background: rgba(8, 12, 18, 0.92);
    backdrop-filter: blur(20px) saturate(1.2);
    -webkit-backdrop-filter: blur(20px) saturate(1.2);
    box-shadow: 0 1px 0 rgba(255,255,255,0.05), 0 4px 24px rgba(0,0,0,0.4);
    padding-block: 12px;
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

/* Logo */
.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    flex-shrink: 0;
}
.logo-mark svg { display: block; transition: transform var(--transition); }
.logo:hover .logo-mark svg { transform: rotate(15deg); }
.logo-text {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--clr-heading);
    letter-spacing: -0.02em;
}
.logo-text em {
    font-style: normal;
    color: var(--clr-accent);
}

/* Nav */
.primary-nav { flex: 1; display: flex; justify-content: center; }
.nav-list {
    display: flex;
    align-items: center;
    gap: 4px;
}
.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--clr-muted);
    transition: all var(--transition);
    position: relative;
    white-space: nowrap;
}
.nav-link:hover, .nav-link.active {
    color: var(--clr-heading);
    background: rgba(255,255,255,0.05);
}
.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px; left: 50%;
    transform: translateX(-50%);
    width: 16px; height: 2px;
    background: var(--clr-accent);
    border-radius: 100px;
}
.nav-link .ti-chevron-down { font-size: 14px; transition: transform var(--transition); }

/* Dropdown */
.has-dropdown { position: relative; }
.has-dropdown:hover .nav-link .ti-chevron-down { transform: rotate(180deg); }
.dropdown-menu {
    position: absolute;
    top: calc(100% + 3px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--clr-bg2);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    padding: 8px;
    min-width: 280px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateX(-50%) translateY(-8px);
    transition: all 0.25s ease;
    box-shadow: 0 24px 48px rgba(0,0,0,0.5);
}
.has-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}
.dropdown-inner { display: flex; flex-direction: column; gap: 2px; }
.dropdown-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: var(--radius-md);
    transition: background var(--transition);
    color: var(--clr-text);
}
.dropdown-item:hover { background: rgba(255,255,255,0.05); }
.dropdown-item .ti {
    font-size: 20px;
    color: var(--clr-accent);
    flex-shrink: 0;
    width: 36px; height: 36px;
    background: rgba(0,229,255,0.08);
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
}
.dropdown-item span { display: flex; flex-direction: column; }
.dropdown-item strong { font-size: 0.88rem; font-weight: 600; color: var(--clr-heading); display: block; }
.dropdown-item span:last-child { font-size: 0.78rem; color: var(--clr-muted); margin-top: 2px; }

/* Header Actions */
.header-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.btn-sm { padding: 10px 22px; font-size: 0.82rem; }

/* Mobile Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 36px; height: 36px;
    align-items: center; justify-content: center;
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-sm);
    background: var(--clr-surface);
    transition: all var(--transition);
}
.nav-toggle:hover { border-color: rgba(0,229,255,0.3); }
.nav-toggle span {
    display: block;
    width: 18px; height: 1.5px;
    background: var(--clr-text);
    border-radius: 2px;
    transition: all 0.3s ease;
}
.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(4.5px, 4.5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(4.5px, -4.5px); }
.nav-overlay {
    display: none;
    position: fixed; inset: 0;
    background: rgba(8,12,18,0.7);
    backdrop-filter: blur(4px);
    z-index: 998;
}

/* ── Footer ── */
.site-footer { background: var(--clr-bg2); border-top: 1px solid var(--clr-border); }

/* Newsletter Strip */
.footer-newsletter {
    background: linear-gradient(135deg, rgba(0,229,255,0.05) 0%, rgba(123,97,255,0.05) 100%);
    border-bottom: 1px solid var(--clr-border);
    padding-block: 48px;
}
.newsletter-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
}
.newsletter-text h3 { font-size: 1.3rem; margin-bottom: 6px; }
.newsletter-text p  { color: var(--clr-muted); font-size: 0.92rem; }
.newsletter-form { flex: 0 0 auto; }
.newsletter-input-wrap {
    display: flex;
    align-items: center;
    gap: 0;
    background: var(--clr-bg3);
    border: 1px solid var(--clr-border);
    border-radius: 100px;
    padding: 6px 6px 6px 20px;
    min-width: 360px;
    transition: border-color var(--transition);
}
.newsletter-input-wrap:focus-within { border-color: rgba(0,229,255,0.35); }
.newsletter-input-wrap input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--clr-heading);
    font-family: var(--font-body);
    font-size: 0.92rem;
}
.newsletter-input-wrap input::placeholder { color: var(--clr-muted); }

/* Footer Main */
.footer-main { padding-block: 72px 48px; }
.footer-grid {
    display: grid;
    grid-template-columns: 1.8fr 1fr 1fr 1.3fr;
    gap: 48px;
}
.footer-logo { margin-bottom: 18px; }
.footer-tagline { font-size: 0.9rem; color: var(--clr-muted); margin-bottom: 24px; max-width: 280px; line-height: 1.7; }

.footer-socials { display: flex; gap: 10px; margin-bottom: 20px; }
.social-link {
    width: 38px; height: 38px;
    border-radius: var(--radius-sm);
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    display: flex; align-items: center; justify-content: center;
    font-size: 18px;
    color: var(--clr-muted);
    transition: all var(--transition);
}
.social-link:hover { background: var(--clr-accent); border-color: var(--clr-accent); color: #080C12; }

.footer-certs { display: flex; flex-wrap: wrap; gap: 8px; }
.cert-badge {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 5px 12px;
    background: var(--clr-bg3);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    font-family: var(--font-display);
    color: var(--clr-muted);
}
.cert-badge .ti { font-size: 13px; color: var(--clr-accent); }

.footer-col-title {
    font-family: var(--font-display);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--clr-muted);
    margin-bottom: 20px;
}
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a {
    font-size: 0.9rem;
    color: var(--clr-muted);
    transition: color var(--transition);
    display: inline-flex; align-items: center; gap: 8px;
}
.footer-links a:hover { color: var(--clr-accent); }

.footer-contact-list { display: flex; flex-direction: column; gap: 14px; }
.footer-contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.88rem;
    color: var(--clr-muted);
    line-height: 1.5;
}
.footer-contact-list li .ti { font-size: 17px; color: var(--clr-accent); margin-top: 1px; flex-shrink: 0; }
.footer-contact-list a { color: var(--clr-muted); transition: color var(--transition); }
.footer-contact-list a:hover { color: var(--clr-accent); }

/* Footer Bottom */
.footer-bottom {
    border-top: 1px solid var(--clr-border);
    padding-block: 24px;
}
.footer-bottom-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}
.copyright { font-size: 0.85rem; color: var(--clr-muted); }
.legal-links { display: flex; align-items: center; gap: 24px; }
.legal-links a { font-size: 0.82rem; color: var(--clr-muted); transition: color var(--transition); }
.legal-links a:hover { color: var(--clr-accent); }

/* ── Responsive Header/Footer ── */
@media (max-width: 1024px) {
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
    .newsletter-input-wrap { min-width: 280px; }
}
@media (max-width: 900px) {
    .nav-toggle { display: flex; }
    .primary-nav {
        position: fixed;
        top: 0; right: -320px;
        width: 300px; height: 100vh;
        background: var(--clr-bg2);
        border-left: 1px solid var(--clr-border);
        z-index: 999;
        padding: 80px 24px 32px;
        transition: right 0.35s cubic-bezier(0.4,0,0.2,1);
        overflow-y: auto;
    }
    .primary-nav.open { right: 0; }
    .nav-overlay.open { display: block; }
    .nav-list { flex-direction: column; align-items: flex-start; gap: 4px; }
    .nav-link { width: 100%; padding: 12px 16px; font-size: 1rem; }
    .has-dropdown .dropdown-menu {
        position: static;
        transform: none;
        opacity: 1; visibility: visible;
        pointer-events: auto;
        box-shadow: none;
        background: transparent;
        border: none;
        padding: 0 0 0 16px;
        display: none;
    }
    .has-dropdown.open .dropdown-menu { display: block; }
    .dropdown-item { padding: 8px 12px; font-size: 0.88rem; }
}
@media (max-width: 768px) {
    .newsletter-inner { flex-direction: column; align-items: flex-start; }
    .newsletter-input-wrap { min-width: auto; width: 100%; }
    .newsletter-form { width: 100%; }
}
@media (max-width: 640px) {
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom-inner { flex-direction: column; text-align: center; }
    .legal-links { gap: 16px; }
}