/* ==========================================================================
   Header Styles - Best Plumber (Homepage 1: Bold Professional)
   ==========================================================================
   White background single-tier header: logo | centered nav | actions.
   Becomes sticky on scroll with subtle shadow.
   Matches Pencil.dev Homepage 1 design.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Main Navigation
   -------------------------------------------------------------------------- */

.main-nav {
    background-color: var(--bg-primary);
    padding: 0;
    position: relative;
    z-index: var(--z-sticky);
    transition: box-shadow 0.3s var(--ease-out);
    border-bottom: 1px solid var(--gray-200);
}

.site-header--scrolled .main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    box-shadow: 0 2px 12px rgba(58, 72, 77, 0.1);
}

.main-nav__inner {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: var(--space-lg);
    max-width: 1440px;
    height: 80px;
    padding: 0 clamp(1.25rem, 3vw, 3rem);
    margin: 0 auto;
}

/* Logo */
.main-nav__logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    min-width: 180px;
}

.main-nav__logo img {
    height: 52px;
    width: auto;
    display: block;
}

.main-nav__logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: var(--font-bold);
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    line-height: 1;
}

/* Desktop Menu */
.main-nav__menu-wrap {
    display: flex;
    justify-content: center;
}

.main-nav__menu {
    display: flex;
    align-items: center;
    gap: 0;
    list-style: none;
    margin: 0;
    padding: 0;
}

.main-nav__menu li {
    position: relative;
}

.main-nav__menu > li > a {
    display: flex;
    align-items: center;
    padding: 28px clamp(10px, 1.4vw, 22px);
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    text-decoration: none;
    transition: color var(--transition-fast);
    position: relative;
    white-space: nowrap;
}

.main-nav__menu > li > a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: clamp(10px, 1.4vw, 22px);
    right: clamp(10px, 1.4vw, 22px);
    height: 2px;
    background-color: var(--color-primary);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s var(--ease-out);
}

.main-nav__menu > li > a:hover {
    color: var(--text-primary);
}

.main-nav__menu > li > a:hover::after,
.main-nav__menu > li.current-menu-item > a::after {
    transform: scaleX(1);
    transform-origin: left;
}

.main-nav__menu > li.current-menu-item > a {
    color: var(--text-primary);
}

/* Dropdown */
.main-nav__menu .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background-color: var(--bg-primary);
    border-top: 2px solid var(--color-primary);
    box-shadow: 0 8px 24px rgba(58, 72, 77, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity 0.25s var(--ease-out), transform 0.25s var(--ease-out), visibility 0.25s;
    padding: 8px 0;
    list-style: none;
    z-index: var(--z-dropdown);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.main-nav__menu li:hover > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.main-nav__menu .sub-menu a {
    display: block;
    padding: 10px 20px;
    color: var(--text-secondary);
    font-size: var(--text-sm);
    text-decoration: none;
    transition: color var(--transition-fast), background-color var(--transition-fast);
    text-transform: none;
    letter-spacing: 0;
}

.main-nav__menu .sub-menu a:hover {
    color: var(--color-primary);
    background-color: var(--gray-50);
}

/* Phone + Financing + CTA Actions */
.main-nav__actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-md);
    min-width: 180px;
}

.main-nav__phone {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-primary);
    text-decoration: none;
    font-size: var(--text-sm);
    font-weight: var(--font-bold);
    letter-spacing: var(--tracking-wide);
    transition: color var(--transition-fast);
    white-space: nowrap;
}

.main-nav__phone svg {
    color: var(--color-secondary);
    flex-shrink: 0;
}

.main-nav__phone:hover {
    color: var(--color-primary);
}

.main-nav__financing {
    display: inline-flex;
    align-items: center;
    color: var(--color-accent-dark);
    text-decoration: none;
    font-family: var(--font-body);
    font-size: var(--text-xs);
    font-weight: var(--font-bold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    transition: color var(--transition-fast);
    white-space: nowrap;
}

.main-nav__financing:hover {
    color: var(--color-primary);
}

.main-nav__cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    background-color: var(--color-primary);
    color: var(--text-inverse);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: var(--font-bold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-button), box-shadow var(--transition-button), transform var(--transition-button);
    box-shadow: var(--shadow-button);
    white-space: nowrap;
}

.main-nav__cta:hover {
    background-color: var(--color-primary-dark);
    box-shadow: var(--shadow-button-hover);
    transform: translateY(-2px);
}

.main-nav__cta:active {
    transform: translateY(1px);
}


/* --------------------------------------------------------------------------
   Mobile Hamburger Toggle
   -------------------------------------------------------------------------- */

.main-nav__toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 10px;
    cursor: pointer;
    background: none;
    border: none;
    z-index: calc(var(--z-overlay) + 1);
}

.main-nav__toggle-line {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    border-radius: 1px;
    transition: transform 0.3s var(--ease-out), opacity 0.2s var(--ease-out), background-color 0.3s;
    transform-origin: center;
}

/* Hamburger to X animation */
.main-nav__toggle[aria-expanded="true"] .main-nav__toggle-line {
    background-color: var(--text-inverse);
}

.main-nav__toggle[aria-expanded="true"] .main-nav__toggle-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.main-nav__toggle[aria-expanded="true"] .main-nav__toggle-line:nth-child(2) {
    opacity: 0;
}

.main-nav__toggle[aria-expanded="true"] .main-nav__toggle-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}


/* --------------------------------------------------------------------------
   Mobile Menu Overlay
   -------------------------------------------------------------------------- */

.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--gray-900);
    z-index: var(--z-overlay);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s var(--ease-out), visibility 0.3s;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.mobile-menu[aria-hidden="false"] {
    opacity: 1;
    visibility: visible;
}

.mobile-menu__inner {
    padding: 100px var(--container-padding) 40px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.mobile-menu__list {
    list-style: none;
    padding: 0;
    margin: 0;
    flex: 1;
}

.mobile-menu__list li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.mobile-menu__list > li > a {
    display: block;
    padding: 18px 0;
    color: var(--text-inverse);
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: var(--font-bold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.mobile-menu__list > li > a:hover {
    color: var(--color-primary);
}

.mobile-menu__list .sub-menu {
    list-style: none;
    padding: 0 0 12px 16px;
    margin: 0;
}

.mobile-menu__list .sub-menu a {
    display: block;
    padding: 8px 0;
    color: var(--gray-400);
    font-size: var(--text-base);
    text-decoration: none;
}

.mobile-menu__cta {
    margin-top: auto;
    padding-top: var(--space-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.mobile-menu__phone-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px 24px;
    background-color: var(--color-primary);
    color: var(--text-inverse);
    font-family: var(--font-body);
    font-size: var(--text-md);
    font-weight: var(--font-bold);
    text-transform: uppercase;
    text-decoration: none;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-button);
}

.mobile-menu__schedule-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px 24px;
    border: 2px solid var(--text-inverse);
    color: var(--text-inverse);
    font-family: var(--font-body);
    font-size: var(--text-md);
    font-weight: var(--font-bold);
    text-transform: uppercase;
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.mobile-menu__schedule-btn:hover {
    background-color: var(--text-inverse);
    color: var(--gray-900);
}


/* --------------------------------------------------------------------------
   Focus-visible states
   -------------------------------------------------------------------------- */

.main-nav__logo:focus-visible,
.main-nav__menu > li > a:focus-visible,
.main-nav__phone:focus-visible,
.main-nav__financing:focus-visible,
.main-nav__cta:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}


/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 999px) {
    .main-nav__inner {
        display: flex;
        justify-content: space-between;
        height: 72px;
    }

    .main-nav__menu-wrap {
        display: none;
    }

    .main-nav__actions {
        display: none;
    }

    .main-nav__toggle {
        display: flex;
    }
}

@media (max-width: 690px) {
    .main-nav__inner {
        height: 60px;
    }

    .main-nav__logo img {
        height: 40px;
    }

    .main-nav__logo-text {
        font-size: 1.25rem;
    }
}

/* Spacer to prevent content jump when header becomes fixed */
.site-header--scrolled + .site-main,
.site-header--scrolled + main {
    padding-top: 80px;
}

@media (max-width: 999px) {
    .site-header--scrolled + .site-main,
    .site-header--scrolled + main {
        padding-top: 72px;
    }
}

@media (max-width: 690px) {
    .site-header--scrolled + .site-main,
    .site-header--scrolled + main {
        padding-top: 60px;
    }
}