/* ==========================================================================
   NAVBAR — Floating Rounded-Corner on Scroll (Light Theme)
   ========================================================================== */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9990;
    transition: all 350ms cubic-bezier(0.16, 1, 0.3, 1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background: rgba(255, 255, 255, 0.85);
    border-bottom: 1px solid var(--hairline);
}

/* === SCROLLED STATE: Floating Light Pill Navbar === */
.site-header.scrolled {
    top: 12px;
    left: 50%;
    right: auto;
    transform: translateX(-50%);
    width: calc(100% - 48px);
    max-width: 1200px;
    border-radius: 9999px;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(28px);
    -webkit-backdrop-filter: blur(28px);
    border: 1px solid rgba(32, 33, 36, 0.1);
    box-shadow: 0 10px 32px -8px rgba(32, 33, 36, 0.1), 0 0 0 1px rgba(255, 255, 255, 0.9);
}

.site-header.scrolled .header-container {
    height: 3.5rem;
    padding: 0 1.5rem;
}

.site-header.scrolled .brand-text {
    color: var(--ink);
    filter: none;
}

.site-header.scrolled .brand-logo img {
    filter: none;
}

.site-header.scrolled .site-nav a {
    color: var(--soft);
}

.site-header.scrolled .site-nav a:hover {
    color: var(--ink);
}

.site-header.scrolled .header-phone {
    color: var(--ink);
}

.site-header.scrolled .header-phone:hover {
    color: var(--ink);
}

.site-header.scrolled .btn-primary {
    background: var(--ink);
    color: #ffffff;
}

.site-header.scrolled .btn-primary:hover {
    background: var(--g-yellow);
    color: var(--ink);
}

.site-header.scrolled .mobile-menu-btn {
    color: var(--ink);
    border-color: var(--hairline);
}

.header-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    height: 4.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: height 350ms cubic-bezier(0.16, 1, 0.3, 1), padding 350ms ease;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.brand-dots {
    display: inline-flex;
    align-items: center;
    gap: 3px;
}

.brand-dot {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 9999px;
    display: inline-block;
}

.brand-dot.blue { background: var(--g-blue); }
.brand-dot.red { background: var(--g-red); }
.brand-dot.yellow { background: var(--g-yellow); }
.brand-dot.green { background: var(--g-green); }

.brand-text {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--ink);
    font-size: 17px;
    letter-spacing: -0.02em;
}

.brand-text span {
    color: var(--soft);
    font-weight: 400;
}

.site-nav {
    display: none;
    align-items: center;
    gap: 2rem;
    font-size: 13.5px;
    color: var(--soft);
}

.site-nav a {
    transition: color 200ms ease;
}

.site-nav a:hover {
    color: var(--ink);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.header-phone {
    display: none;
    align-items: center;
    gap: var(--space-2);
    font-size: 13px;
    color: var(--ink);
    transition: color 200ms ease;
}

.header-phone:hover {
    color: var(--ink);
    text-decoration: underline;
}

.header-phone svg {
    width: 14px;
    height: 14px;
}

.header-phone .phone-number {
    font-family: var(--font-mono);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1-5);
    border-radius: 9999px;
    font-weight: 500;
    transition: all 250ms cubic-bezier(0.16, 1, 0.3, 1);
    border: none;
    cursor: pointer;
    white-space: nowrap;
}

.btn:focus-visible {
    outline: 2px solid var(--g-yellow);
    outline-offset: 3px;
}

.btn-primary {
    background: var(--ink);
    color: #ffffff;
    padding: var(--space-2) var(--space-4);
    font-size: 13px;
}

.btn-primary:hover {
    background: var(--g-yellow);
    color: var(--ink);
}

.btn-primary svg {
    width: 14px;
    height: 14px;
}

.btn-outline {
    background: #ffffff;
    color: var(--ink);
    border: 1.5px solid var(--hairline);
    padding: var(--space-2) var(--space-4);
    font-size: 13px;
    box-shadow: 0 1px 4px rgba(32, 33, 36, 0.04);
}

.btn-outline:hover {
    background: var(--surface);
    border-color: var(--ink);
    color: var(--ink);
}

.mobile-menu-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 0.5rem;
    color: var(--ink);
    background: transparent;
    border: 1px solid var(--hairline);
    transition: color 200ms ease, border-color 200ms ease;
}

.mobile-menu-btn:hover {
    background: var(--surface);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 4.25rem;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--hairline);
    padding: var(--space-4) var(--container-padding);
    z-index: 49;
}

.mobile-menu.open {
    display: block;
}

.mobile-menu nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.mobile-menu nav a {
    padding: var(--space-3) var(--space-2);
    color: var(--soft);
    font-size: 15px;
    border-radius: 0.5rem;
    transition: all 200ms ease;
}

.mobile-menu nav a:hover {
    background: var(--surface);
    color: var(--ink);
}

.mobile-menu .mobile-actions {
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--hairline);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

@media (min-width: 640px) {
    .header-phone {
        display: inline-flex;
    }
}

@media (min-width: 768px) {
    .site-nav {
        display: flex;
    }

    .mobile-menu-btn {
        display: none;
    }
}

@media (max-width: 767px) {
    .site-header.scrolled {
        width: calc(100% - 24px);
        top: 8px;
    }
    .site-header.scrolled .header-container {
        padding: 0 1rem;
        height: 3.25rem;
    }
}

@media (max-width: 480px) {
    .header-container {
        padding: 0 0.85rem;
    }

    .brand-text {
        font-size: 15px;
    }

    .header-actions .btn-primary {
        padding: 0.35rem 0.75rem;
        font-size: 11.5px;
    }
}