/* ============================================
   HEADER.CSS - ScrapRefit
   Professional Waste Management Services
   ============================================ */

/* ===== CSS VARIABLES ===== */
:root {
    --green-dark:    #1a6b35;
    --green-main:    #1f7a3f;
    --green-mid:     #2bb673;
    --green-light:   #34d399;
    --green-pale:    #e8f7ef;
    --gold:          #ffd700;
    --gold-dark:     #e6c200;
    --white:         #ffffff;
    --off-white:     #f4f9f6;
    --text-dark:     #1a2a1f;
    --text-mid:      #3d5445;
    --text-light:    #6b8c75;
    --border:        rgba(31, 122, 63, 0.15);
    --shadow-sm:     0 2px 8px rgba(0,0,0,0.08);
    --shadow-md:     0 4px 20px rgba(0,0,0,0.12);
    --shadow-lg:     0 8px 40px rgba(0,0,0,0.18);
    --radius-sm:     6px;
    --radius-md:     12px;
    --radius-lg:     20px;
    --transition:    all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --header-h:      72px;
    --topbar-h:      40px;
    --font-sans:     'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
}

/* ===== RESET / BASE ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--text-dark);
    background: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ============================================
   TOP BAR
   ============================================ */
.top-bar {
    background: linear-gradient(135deg, var(--green-dark) 0%, var(--green-main) 100%);
    height: var(--topbar-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    position: relative;
    z-index: 1000;
}

/* Left side nav */
.top-bar-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-items {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Desktop nav links in top bar */
.top-bar .nav-links {
    display: flex;
    align-items: center;
    gap: 2px;
    list-style: none;
}

.top-bar .nav-links a,
.top-bar .nav-links .dropdown > a {
    color: rgba(255,255,255,0.9);
    font-size: 13px;
    font-weight: 500;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    white-space: nowrap;
    letter-spacing: 0.02em;
}

.top-bar .nav-links a:hover,
.top-bar .nav-links .dropdown:hover > a {
    color: var(--gold);
    background: rgba(255,255,255,0.1);
}

/* Dropdown in top bar */
.top-bar .dropdown {
    position: relative;
}

.top-bar .dropdown .dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 5px;
    cursor: pointer;
}

.top-bar .dropdown .dropdown-toggle i {
    font-size: 11px;
    transition: transform 0.3s ease;
}

.top-bar .dropdown:hover .dropdown-toggle i {
    transform: rotate(180deg);
}

.top-bar .sub-links {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: var(--transition);
    z-index: 9999;
    border: 1px solid var(--border);
}

.top-bar .dropdown:hover .sub-links {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.top-bar .sub-links a {
    display: block;
    padding: 10px 16px;
    color: var(--text-dark) !important;
    font-size: 13px;
    font-weight: 500;
    transition: var(--transition);
    background: transparent !important;
    border-radius: 0;
}

.top-bar .sub-links a:hover {
    background: var(--green-pale) !important;
    color: var(--green-main) !important;
    padding-left: 22px;
}

/* Hamburger in top bar (legacy) */
.humberger-menu {
    display: none;
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    padding: 6px;
}

/* Right side info boxes */
.top-bar-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.info-box {
    display: flex;
    align-items: center;
    gap: 6px;
    color: rgba(255,255,255,0.9);
    font-size: 12.5px;
    font-weight: 400;
    white-space: nowrap;
}

.info-box i {
    color: var(--gold);
    font-size: 12px;
    flex-shrink: 0;
}

.info-box a {
    color: rgba(255,255,255,0.9);
    transition: color 0.2s;
}

.info-box a:hover {
    color: var(--gold);
}

.info-box span {
    color: rgba(255,255,255,0.35);
}

/* ============================================
   MAIN HEADER
   ============================================ */
#mainHeader {
    position: sticky;
    top: 0;
    z-index: 999;
    background: var(--white);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

/* Scrolled / shrunk state */
#mainHeader.scrolled {
    box-shadow: var(--shadow-md);
}

#mainHeader.scrolled .max-width {
    padding-top: 8px;
    padding-bottom: 8px;
}

/* ===== MAX WIDTH WRAPPER ===== */
.max-width {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== NAV BOX (logo + links + hamburger) ===== */
.nav-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    height: var(--header-h);
    transition: height 0.3s ease;
}

#mainHeader.scrolled .nav-box {
    height: 56px;
}

/* ===== LOGO ===== */
.nav-logo a {
    display: flex;
    align-items: center;
}

.nav-logo img {
    height: 50px;
    width: auto;
    transition: var(--transition);
}

#mainHeader.scrolled .nav-logo img {
    height: 40px;
}

/* ===== MAIN NAV LINKS (service pages row) ===== */
.nav-box > .nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: nowrap;
    overflow: hidden;
}

.nav-box > .nav-links a {
    color: var(--text-mid);
    font-size: 13.5px;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    transition: var(--transition);
    position: relative;
}

.nav-box > .nav-links a::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 14px;
    right: 14px;
    height: 2px;
    background: var(--green-mid);
    border-radius: 2px;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.nav-box > .nav-links a:hover {
    color: var(--green-main);
    background: var(--green-pale);
}

.nav-box > .nav-links a:hover::after {
    transform: scaleX(1);
}

/* "View All" special button */
.nav-box > .nav-links a:last-child {
    background: var(--green-main);
    color: var(--white);
    font-weight: 600;
    border-radius: var(--radius-sm);
}

.nav-box > .nav-links a:last-child::after {
    display: none;
}

.nav-box > .nav-links a:last-child:hover {
    background: var(--green-dark);
    color: var(--white);
}

/* ===== HAMBURGER BUTTON ===== */
.hamburger-menu {
    display: none;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: var(--radius-sm);
    background: var(--green-pale);
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
}

.hamburger-menu i {
    color: var(--green-main);
    font-size: 18px;
    transition: var(--transition);
}

.hamburger-menu:hover {
    background: var(--green-main);
}

.hamburger-menu:hover i {
    color: var(--white);
}

/* ============================================
   MOBILE NAVIGATION DRAWER
   ============================================ */
.mobile-nav {
    position: fixed;
    top: 0;
    left: -320px;
    width: 300px;
    max-width: 90vw;
    height: 100vh;
    background: linear-gradient(160deg, #0f3d20 0%, #1a6b35 60%, #1f7a3f 100%);
    z-index: 10000;
    overflow-y: auto;
    transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-lg);
    padding-bottom: 40px;
}

.mobile-nav.active {
    left: 0;
}

/* Mobile nav header */
.mobile-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 20px 16px;
    border-bottom: 1px solid rgba(255,255,255,0.12);
    background: rgba(0,0,0,0.15);
}

.mobile-nav-header img {
    height: 38px;
    width: auto;
    filter: brightness(10);
}

.close-menu {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    cursor: pointer;
    transition: var(--transition);
}

.close-menu:hover {
    background: rgba(255,255,255,0.2);
    transform: rotate(90deg);
}

.close-menu i {
    color: #fff;
    font-size: 16px;
}

/* Mobile nav links */
.mobile-nav-links {
    padding: 16px 16px 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.mobile-nav-links > a {
    display: block;
    padding: 13px 16px;
    color: rgba(255,255,255,0.88);
    font-size: 15px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    letter-spacing: 0.01em;
}

.mobile-nav-links > a:hover,
.mobile-nav-links > a.active {
    background: rgba(255,255,255,0.1);
    color: var(--gold);
    padding-left: 22px;
}

/* ===== OVERLAY ===== */
.overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.55);
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    backdrop-filter: blur(2px);
}

.overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   RESPONSIVE — TABLET (≤1024px)
   ============================================ */
@media (max-width: 1024px) {
    .top-bar-right .info-box:nth-child(2) {
        display: none; /* hide location */
    }

    .top-bar .nav-links {
        display: none;
    }

    .humberger-menu {
        display: flex;
    }

    .nav-box > .nav-links {
        display: none;
    }

    .hamburger-menu {
        display: flex;
    }
}

/* ============================================
   RESPONSIVE — MOBILE (≤768px)
   ============================================ */
@media (max-width: 768px) {
    :root {
        --topbar-h: auto;
        --header-h: 60px;
    }

    .top-bar {
        flex-direction: column;
        align-items: flex-start;
        padding: 10px 16px;
        gap: 6px;
        height: auto;
    }

    .top-bar-right {
        flex-wrap: wrap;
        gap: 10px;
    }

    .top-bar-right .info-box {
        font-size: 11.5px;
    }

    .top-bar-left {
        width: 100%;
    }

    .max-width {
        padding: 0 16px;
    }

    .nav-box {
        height: var(--header-h);
    }

    .nav-logo img {
        height: 38px;
    }
}

/* ============================================
   RESPONSIVE — SMALL MOBILE (≤480px)
   ============================================ */
@media (max-width: 480px) {
    .top-bar-right .info-box:last-child {
        display: none; /* hide email on very small screens */
    }

    .info-box span {
        display: none;
    }
}