/* =========================================
   LANGUAGE: CSS
   PURPOSE: Main stylesheet for the entire site
   THEME: Green primary, with white, black, and yellow accents
   ========================================= */

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --green-primary: #15803d;
    --green-dark: #16a34a;
    --green-darker: #14532d;
    --green-light: #22c55e;
    --green-lighter: #4ade80;
    --green-soft: #dcfce7;
    --green-softer: #bbf7d0;
    --green-bg: #f0fdf4;
    --black: #0a0a0a;
    --white: #ffffff;
    --yellow: #facc15;
    --yellow-dark: #ca8a04;
    --gray-300: #86efac;
    --gray-600: #4d7c0f;
    --gray-700: #365310;
    --gray-900: #14532d;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--green-bg);
    color: var(--black);
    line-height: 1.6;
    overflow-x: hidden;
}

/* =========================================
   HEADER & NAVIGATION
   ========================================= */

header {
    background-color: var(--green-darker);
    color: var(--white);
    padding: 15px 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
    position: sticky;
    top: 0;
    z-index: 100;
    flex-wrap: wrap;
    border-bottom: 3px solid var(--yellow);
}

header h1 {
    margin: 0;
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--white);
}

header h1::before {
    content: "🌿 ";
}

nav {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

nav a {
    color: var(--white);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

nav a:hover {
    color: var(--yellow);
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--yellow);
    transition: width 0.3s ease;
}

nav a:hover::after,
nav a.active::after {
    width: 100%;
}

nav a.active {
    color: var(--yellow);
}

/* =========================================
   HERO SECTION
   ========================================= */

.hero {
    text-align: center;
    padding: 120px 20px;
    background: linear-gradient(135deg, var(--green-darker) 0%, var(--green-primary) 100%);
    color: var(--white);
    border-bottom: 4px solid var(--yellow);
}

.hero h2 {
    font-size: 48px;
    margin-bottom: 20px;
    font-weight: 700;
    color: var(--white);
}

.hero p {
    font-size: 18px;
    color: var(--white);
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.95;
}

.hero form {
    display: flex;
    width: 100%;
    max-width: 700px;
    margin: 30px auto 0;
}

.hero input {
    flex: 1;
    min-width: 0;
    padding: 15px 20px;
    font-size: 16px;
    border: 1px solid var(--white);
    border-radius: 6px 0 0 6px;
    outline: none;
    transition: border-color 0.3s ease;
    background-color: var(--white);
    color: var(--black);
}

.hero input:focus {
    border-color: var(--yellow);
}

.hero button {
    padding: 15px 30px;
    border: none;
    background-color: var(--black);
    color: var(--white);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    border-radius: 0 6px 6px 0;
    transition: background-color 0.3s ease;
    white-space: nowrap;
}

.hero button:hover {
    background-color: var(--yellow);
    color: var(--black);
}

.hero .cta-button {
    display: inline-block;
    margin-top: 20px;
    padding: 14px 40px;
    background-color: var(--yellow);
    color: var(--black);
    text-decoration: none;
    border-radius: 6px;
    font-weight: 700;
    transition: background-color 0.3s ease, transform 0.2s ease;
    border: 2px solid var(--black);
}

.hero .cta-button:hover {
    background-color: var(--white);
    color: var(--black);
    transform: translateY(-2px);
}

.hero-search-form {
    display: flex;
    width: 100%;
    max-width: 700px;
    margin: 30px auto 0;
}

.hero-search-input {
    flex: 1;
    min-width: 0;
    padding: 15px 20px;
    font-size: 16px;
    border: 1px solid var(--white);
    border-radius: 6px 0 0 6px;
    outline: none;
    transition: border-color 0.3s ease;
    background-color: var(--white);
    color: var(--black);
}

.hero-search-input:focus {
    border-color: var(--yellow);
}

.hero-search-btn {
    padding: 15px 30px;
    border: none;
    background-color: var(--black);
    color: var(--white);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    border-radius: 0 6px 6px 0;
    transition: background-color 0.3s ease;
    white-space: nowrap;
}

.hero-search-btn:hover {
    background-color: var(--yellow);
    color: var(--black);
}

.hero-search-clear {
    display: inline-block;
    margin-top: 10px;
    padding: 8px 16px;
    color: var(--white);
    text-decoration: underline;
    font-size: 14px;
}

/* =========================================
   CATEGORIES SECTION
   ========================================= */

.categories {
    padding: 50px 20px;
    text-align: center;
    background-color: var(--green-softer);
    border-top: 4px solid var(--green-primary);
    border-bottom: 4px solid var(--green-primary);
}

.categories h2 {
    font-size: 30px;
    margin-bottom: 30px;
    color: var(--green-darker);
}

.category-list {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
}

.category-list button {
    padding: 14px 22px;
    border: 2px solid var(--green-primary);
    background-color: var(--white);
    color: var(--green-darker);
    font-size: 16px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
    transition: 0.2s;
}

.category-list button:hover {
    background-color: var(--green-primary);
    color: var(--white);
    transform: translateY(-2px);
    border-color: var(--green-darker);
}

/* =========================================
   FILTERS
   ========================================= */

.filters {
    padding: 20px;
    background-color: var(--green-soft);
    border-bottom: 1px solid var(--green-primary);
}

.filter-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
}

.filter-btn {
    padding: 10px 24px;
    border: 1px solid var(--green-primary);
    background-color: var(--white);
    color: var(--green-darker);
    font-size: 14px;
    font-weight: 600;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-btn:hover {
    background-color: var(--yellow);
    color: var(--black);
    border-color: var(--black);
}

.filter-btn.active {
    background-color: var(--green-darker);
    color: var(--white);
    border-color: var(--green-darker);
}

.ad-card.hidden {
    display: none;
}

.image-fallback {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--green-soft);
    font-size: 48px;
}

/* =========================================
   ADVERTISEMENTS
   ========================================= */

.advertisements {
    padding: 60px 20px;
    background-color: var(--green-bg);
    text-align: center;
}

.advertisements h2 {
    font-size: 32px;
    margin-bottom: 40px;
    color: var(--green-darker);
    font-weight: 700;
    position: relative;
    display: inline-block;
}

.advertisements h2::after {
    content: '';
    display: block;
    width: 60%;
    height: 3px;
    background-color: var(--yellow);
    margin: 8px auto 0;
}

.section-subtitle {
    text-align: center;
    color: var(--green-darker);
    margin-bottom: 20px;
}

.empty-state {
    text-align: center;
    color: var(--green-darker);
    padding: 40px;
}

/* =========================================
   AD GRID
   ========================================= */

.ad-grid {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.ad-grid-fit {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* =========================================
   ADVERTISEMENT CARD
   ========================================= */

.ad-card {
    background-color: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    text-align: left;
    transition: all 0.3s ease;
    border: 2px solid var(--green-softer);
    cursor: pointer;
}

.ad-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 24px rgba(20, 83, 45, 0.25);
    border-color: var(--green-primary);
}

/* =========================================
   IMAGE
   ========================================= */

.ad-image {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background-color: var(--green-soft);
}

.ad-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.ad-card:hover .ad-image img {
    transform: scale(1.05);
}

.ad-image-gradient {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--green-darker) 0%, var(--green-primary) 100%);
    height: 180px;
}

.ad-image-emoji {
    font-size: 64px;
    color: var(--white);
}

.ad-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 4px 12px;
    background-color: var(--green-darker);
    color: var(--white);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 4px;
    border: 1px solid var(--yellow);
}

.size-badge {
    position: absolute;
    top: 44px;
    left: 12px;
    padding: 4px 12px;
    background-color: var(--yellow);
    color: var(--black);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 4px;
    border: 1px solid var(--green-darker);
}

.size-info {
    font-weight: 600;
    color: var(--green-darker);
    font-size: 13px;
    margin-top: 4px;
}

.service-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 4px 12px;
    background-color: #6d28d9;
    color: var(--white);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 4px;
    border: 1px solid #a8e6cf;
}

/* =========================================
   CARD CONTENT
   ========================================= */

.ad-content {
    padding: 20px;
    background-color: var(--white);
}

.ad-content h3 {
    margin-top: 0;
    font-size: 18px;
    color: var(--black);
    margin-bottom: 8px;
    font-weight: 700;
    line-height: 1.3;
}

.ad-content .price {
    font-size: 18px;
    font-weight: 700;
    color: var(--green-dark);
    margin-bottom: 6px;
}

.ad-content .location {
    color: var(--gray-600);
    font-size: 13px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.ad-content .location::before {
    content: "📍";
    font-size: 12px;
}

.ad-content p {
    color: var(--black);
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 12px;
}

/* =========================================
   VIEW ADVERTISEMENT BUTTON
   ========================================= */

.view-button {
    display: block;
    width: 100%;
    padding: 10px;
    border-radius: 6px;
    background-color: var(--green-darker);
    color: var(--white);
    text-align: center;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.2s ease;
    border: 1px solid var(--green-darker);
}

.view-button:hover {
    background-color: var(--yellow);
    color: var(--black);
    border-color: var(--black);
    transform: translateY(-1px);
}

/* =========================================
   AD DETAIL PAGE
   ========================================= */

.ad-detail-section {
    padding: 40px 50px;
    max-width: 900px;
    margin: 30px auto;
    background-color: var(--white);
    border-radius: 12px;
    border: 2px solid var(--green-soft);
}

.ad-detail-section h1 {
    font-size: 28px;
    color: var(--green-darker);
    margin-bottom: 20px;
    border-bottom: 3px solid var(--yellow);
    padding-bottom: 10px;
}

.ad-detail-layout {
    display: flex;
    gap: 30px;
    margin: 30px 0;
    flex-wrap: wrap;
}

.ad-detail-image {
    flex: 1;
    min-width: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ad-detail-image img {
    width: 100%;
    max-width: 500px;
    height: auto;
    max-height: 400px;
    border-radius: 12px;
    display: block;
    margin: 0 auto;
    object-fit: cover;
    box-shadow: 0 4px 16px rgba(20, 83, 45, 0.25);
    border: 2px solid var(--green-soft);
}

.ad-detail-content {
    flex: 1;
    min-width: 280px;
}

.ad-detail-price {
    color: var(--green-dark);
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
    background-color: var(--green-soft);
    padding: 10px 15px;
    border-radius: 6px;
    border-left: 4px solid var(--yellow);
}

.ad-detail-content p {
    margin-bottom: 10px;
    color: var(--black);
}

.ad-detail-content h3 {
    margin-top: 20px;
    margin-bottom: 10px;
    color: var(--green-darker);
    border-bottom: 2px solid var(--green-soft);
    padding-bottom: 5px;
}

.btn-contact {
    padding: 12px 24px;
    background-color: var(--yellow);
    color: var(--black);
    border: 2px solid var(--black);
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 700;
    margin-top: 20px;
    margin-right: 10px;
    transition: background-color 0.3s ease;
}

.btn-contact:hover {
    background-color: var(--black);
    color: var(--yellow);
}

.btn-back {
    display: inline-block;
    padding: 12px 24px;
    background-color: var(--green-darker);
    color: var(--white);
    border-radius: 4px;
    text-decoration: none;
    margin-top: 20px;
    transition: background-color 0.3s ease;
    font-weight: 600;
    border: 1px solid var(--green-darker);
}

.btn-back:hover {
    background-color: var(--yellow);
    color: var(--black);
    border-color: var(--black);
}

.btn-back-inline {
    display: inline-block;
    padding: 10px 20px;
    background-color: var(--green-darker);
    color: var(--white);
    text-decoration: none;
    border-radius: 6px;
    font-size: 14px;
    margin-right: 10px;
    margin-bottom: 20px;
    transition: background-color 0.3s ease;
}

.btn-back-inline:hover {
    background-color: var(--yellow);
    color: var(--black);
}

.back-link-row {
    margin-bottom: 20px;
}

/* =========================================
   CONTACT FORM (contact.php)
   ========================================= */

.contact-form-section {
    padding: 40px 50px;
    max-width: 600px;
    margin: 30px auto;
    background-color: var(--white);
    border-radius: 12px;
    border: 2px solid var(--green-soft);
}

.contact-form-section h3 {
    color: var(--green-darker);
    margin-bottom: 20px;
    border-bottom: 2px solid var(--yellow);
    padding-bottom: 8px;
    display: inline-block;
}

.contact-subhead {
    color: var(--green-darker);
    margin-top: 40px;
    border-bottom: 2px solid var(--yellow);
    padding-bottom: 8px;
    display: inline-block;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-form label {
    font-weight: 600;
    color: var(--black);
    display: block;
    margin-bottom: 5px;
}

.form-input {
    width: 100%;
    padding: 10px;
    border: 2px solid var(--gray-300);
    border-radius: 4px;
    font-size: 14px;
    font-family: inherit;
    background-color: var(--white);
    color: var(--black);
    transition: border-color 0.2s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--green-primary);
}

.form-submit {
    padding: 12px 20px;
    background-color: var(--green-darker);
    color: var(--white);
    border: 2px solid var(--green-darker);
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 700;
    transition: all 0.2s ease;
}

.form-submit:hover {
    background-color: var(--yellow);
    color: var(--black);
    border-color: var(--black);
}

.form-success {
    color: var(--green-dark);
    font-weight: 700;
    margin-bottom: 20px;
    padding: 12px;
    background-color: var(--green-soft);
    border-left: 4px solid var(--green-primary);
    border-radius: 4px;
}

.form-error {
    color: var(--black);
    font-weight: 700;
    margin-bottom: 20px;
    padding: 12px;
    background-color: var(--yellow);
    border-left: 4px solid var(--black);
    border-radius: 4px;
}

.whatsapp-admin-list,
.whatsapp-community-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin: 15px 0 10px;
}

.whatsapp-admin-item,
.whatsapp-community-item {
    background-color: var(--green-soft);
    border: 2px solid var(--green-soft);
    border-radius: 8px;
    padding: 16px;
    text-align: center;
}

.whatsapp-admin-label,
.whatsapp-community-label {
    font-weight: 700;
    color: var(--green-darker);
    margin-bottom: 6px;
    font-size: 15px;
}

.whatsapp-admin-number {
    font-size: 18px;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 12px;
}

.whatsapp-community-desc {
    font-size: 14px;
    color: var(--black);
    line-height: 1.5;
    margin-bottom: 14px;
}

.whatsapp-hint {
    color: var(--green-dark);
    font-weight: 600;
    margin-bottom: 15px;
    padding: 12px;
    background-color: var(--green-soft);
    border-left: 4px solid #25D366;
    border-radius: 4px;
}

/* =========================================
   CONTACT SECTION (homepage / sports)
   ========================================= */

.contact {
    padding: 50px 20px;
    text-align: center;
    background-color: var(--green-soft);
    border-top: 4px solid var(--green-primary);
    border-bottom: 4px solid var(--green-primary);
}

.contact h2 {
    font-size: 30px;
    margin-bottom: 20px;
    color: var(--green-darker);
}

.contact p {
    margin-bottom: 10px;
    color: var(--black);
}

/* =========================================
   WHATSAPP BUTTON
   ========================================= */

.whatsapp-btn {
    display: inline-block;
    padding: 8px 18px;
    background-color: #25D366;
    color: #ffffff;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.2s ease;
    border: 2px solid #25D366;
}

.whatsapp-btn:hover {
    background-color: #128C7E;
    border-color: #128C7E;
    color: #ffffff;
}

.whatsapp-channel-btn {
    background-color: #128C7E;
    border-color: #0c6b5f;
}

.whatsapp-channel-btn:hover {
    background-color: #0c6b5f;
    border-color: #0c6b5f;
}

.whatsapp-group-btn {
    background-color: #25D366;
    border-color: #1da851;
}

.whatsapp-group-btn:hover {
    background-color: #1da851;
    border-color: #1da851;
}

/* =========================================
   FOOTER
   ========================================= */

footer {
    padding: 60px 20px 30px;
    background-color: var(--black);
    color: var(--white);
    margin-top: 80px;
    text-align: center;
    border-top: 4px solid var(--yellow);
}

footer.site-footer {
    padding: 20px;
    margin-top: 50px;
}

footer p {
    color: var(--white);
}

footer a {
    color: var(--yellow);
    text-decoration: none;
}

footer a:hover {
    color: var(--green-light);
}

/* =========================================
   RESPONSIVE DESIGN
   ========================================= */

@media (max-width: 1024px) {
    .ad-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .hero {
        padding: 100px 20px;
    }

    .hero h2 {
        font-size: 40px;
    }
}

@media (max-width: 768px) {
    header {
        padding: 15px 20px;
        flex-direction: column;
        gap: 15px;
    }

    nav {
        gap: 15px;
        justify-content: center;
    }

    nav a {
        font-size: 14px;
    }

    header h1 {
        font-size: 24px;
    }

    .hero {
        padding: 80px 20px;
    }

    .hero h2 {
        font-size: 32px;
    }

    .hero p {
        font-size: 16px;
    }

    .ad-grid {
        gap: 15px;
    }

    .ad-content h3 {
        font-size: 16px;
    }

    .ad-content .price {
        font-size: 16px;
    }

    .ad-content p {
        font-size: 13px;
    }

    .view-button {
        padding: 8px;
        font-size: 13px;
    }

    .filter-btn {
        padding: 8px 16px;
        font-size: 13px;
    }

    .ad-badge,
    .service-badge {
        font-size: 10px;
        padding: 3px 8px;
        top: 8px;
        left: 8px;
    }

    .advertisements {
        padding: 40px 15px;
    }

    .advertisements h2 {
        font-size: 26px;
    }

    .ad-detail-section {
        padding: 30px 20px;
    }

    .ad-detail-section h1 {
        font-size: 24px;
    }

    .ad-detail-layout {
        gap: 20px;
    }

    .ad-detail-image img {
        max-width: 400px;
        max-height: 350px;
    }
}

@media (max-width: 480px) {
    header {
        padding: 12px 15px;
    }

    nav {
        gap: 10px;
    }

    nav a {
        font-size: 13px;
    }

    header h1 {
        font-size: 20px;
    }

    .hero {
        padding: 60px 15px;
    }

    .hero h2 {
        font-size: 26px;
    }

    .hero p {
        font-size: 14px;
    }

    .hero form {
        flex-direction: column;
        gap: 10px;
    }

    .hero input,
    .hero button {
        border-radius: 6px;
    }

    .hero .cta-button {
        padding: 12px 30px;
        font-size: 14px;
    }

    .ad-grid {
        gap: 10px;
    }

    .ad-image {
        height: 120px;
    }

    .ad-content {
        padding: 10px;
    }

    .ad-content h3 {
        font-size: 13px;
        margin-bottom: 4px;
    }

    .ad-content .price {
        font-size: 13px;
    }

    .ad-content p {
        font-size: 11px;
        margin-bottom: 8px;
    }

    .ad-content .location {
        font-size: 11px;
        margin-bottom: 6px;
    }

    .view-button {
        padding: 6px;
        font-size: 11px;
    }

    .filter-container {
        gap: 6px;
    }

    .filter-btn {
        padding: 6px 12px;
        font-size: 11px;
    }

    .ad-badge,
    .service-badge {
        font-size: 9px;
        padding: 2px 6px;
        top: 6px;
        left: 6px;
    }

    .advertisements {
        padding: 30px 10px;
    }

    .advertisements h2 {
        font-size: 22px;
        margin-bottom: 25px;
    }

    .categories {
        padding: 30px 15px;
    }

    .categories h2 {
        font-size: 24px;
    }

    .category-list {
        gap: 10px;
    }

    .category-list button {
        padding: 10px 16px;
        font-size: 14px;
    }

    .ad-detail-section {
        padding: 20px 15px;
    }

    .ad-detail-section h1 {
        font-size: 20px;
    }

    .ad-detail-layout {
        flex-direction: column;
        gap: 15px;
    }

    .ad-detail-image,
    .ad-detail-content {
        min-width: 100%;
    }

    .ad-detail-image img {
        max-width: 100%;
        max-height: 300px;
    }

    .ad-detail-price {
        font-size: 20px;
    }

    .btn-contact {
        margin-right: 0;
        margin-bottom: 10px;
        width: 100%;
    }

    .btn-back {
        margin-left: 0;
        width: 100%;
        text-align: center;
        box-sizing: border-box;
    }

    .contact {
        padding: 30px 15px;
    }

    .contact h2 {
        font-size: 24px;
    }

    footer {
        padding: 40px 15px 20px;
        margin-top: 40px;
    }
}

@media (max-width: 360px) {
    .ad-image {
        height: 180px;
    }

    nav {
        gap: 8px;
    }

    nav a {
        font-size: 12px;
    }

    header h1 {
        font-size: 18px;
    }
}

/* =========================================
   PAGE LOADER
   Lightweight initial page loading indicator
   ========================================= */

.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.page-loader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.page-loader__spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--green-softer);
    border-top-color: var(--green-primary);
    border-radius: 50%;
    animation: page-loader-spin 0.8s linear infinite;
}

.page-loader__text {
    margin-top: 16px;
    font-size: 14px;
    color: var(--green-darker);
    font-weight: 500;
    text-align: center;
}

@keyframes page-loader-spin {
    to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
    .page-loader__spinner {
        animation: none;
        border-top-color: var(--green-primary);
    }
}

/* =========================================
   BACK TO TOP BUTTON
   Floating button to scroll smoothly to top
   ========================================= */

.back-to-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--green-darker);
    color: var(--white);
    border: 2px solid var(--yellow);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: 700;
    line-height: 1;
    box-shadow: 0 4px 16px rgba(20, 83, 45, 0.3);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.9);
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease, background-color 0.2s ease, border-color 0.2s ease;
    z-index: 500;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.back-to-top:hover {
    background-color: var(--yellow);
    color: var(--black);
    border-color: var(--black);
    transform: translateY(-2px) scale(1.05);
}

.back-to-top:focus {
    outline: 3px solid var(--green-primary);
    outline-offset: 3px;
}

.back-to-top:focus:not(:focus-visible) {
    outline: none;
}

.back-to-top:focus-visible {
    outline: 3px solid var(--green-primary);
    outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
    .back-to-top {
        transition: opacity 0.3s ease, visibility 0.3s ease, background-color 0.2s ease, border-color 0.2s ease;
    }
}

@media (max-width: 480px) {
    .back-to-top {
        bottom: 16px;
        right: 16px;
        width: 44px;
        height: 44px;
        font-size: 20px;
    }
}

/* =========================================
   THEME OVERRIDES
   Add a class to <body> to switch color schemes.
   Available themes: theme-green (default),
   theme-blue, theme-maroon, theme-ocean
   ========================================= */

 body.theme-green {
     --green-primary: #15803d;
     --green-dark: #16a34a;
     --green-darker: #14532d;
     --green-light: #22c55e;
     --green-lighter: #4ade80;
     --green-soft: #dcfce7;
     --green-softer: #bbf7d0;
     --green-bg: #f0fdf4;
     --gray-300: #86efac;
     --gray-600: #4d7c0f;
     --gray-700: #365310;
     --gray-900: #14532d;
 }

 body.theme-blue {
     --green-primary: #1e40af;
     --green-dark: #2563eb;
     --green-darker: #1e3a8a;
     --green-light: #3b82f6;
     --green-lighter: #60a5fa;
     --green-soft: #dbeafe;
     --green-softer: #bfdbfe;
     --green-bg: #eff6ff;
     --gray-300: #93c5fd;
     --gray-600: #1d4ed8;
     --gray-700: #1e40af;
     --gray-900: #1e3a8a;
 }

 body.theme-maroon {
     --green-primary: #7f1d1d;
     --green-dark: #991b1b;
     --green-darker: #7f1d1d;
     --green-light: #dc2626;
     --green-lighter: #f87171;
     --green-soft: #fef2f2;
     --green-softer: #fecaca;
     --green-bg: #fef2f2;
     --gray-300: #fca5a5;
     --gray-600: #991b1b;
     --gray-700: #7f1d1d;
     --gray-900: #7f1d1d;
 }

 body.theme-ocean {
     --green-primary: #0e7490;
     --green-dark: #0891b2;
     --green-darker: #155e75;
     --green-light: #06b6d4;
     --green-lighter: #22d3ee;
     --green-soft: #cffafe;
     --green-softer: #a5f3fc;
     --green-bg: #ecfeff;
     --gray-300: #67e8f9;
     --gray-600: #0e7490;
     --gray-700: #155e75;
     --gray-900: #155e75;
 }

.promo-overlay {
     position: fixed;
     top: 20px;
     left: 20px;
     z-index: 1000;
     opacity: 0;
     visibility: hidden;
     transition: opacity 0.3s ease, visibility 0.3s ease;
 }

 .promo-overlay.promo-visible {
     opacity: 1;
     visibility: visible;
 }

 .promo-overlay.promo-hiding {
     opacity: 0;
     visibility: hidden;
 }

 .promo-popup {
     background-color: var(--white);
     border-radius: 12px;
     box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
     max-width: 340px;
     width: 90vw;
     position: relative;
     overflow: hidden;
     transform: translateX(-20px) scale(0.95);
     opacity: 0;
     transition: transform 0.3s ease, opacity 0.3s ease;
     border: 3px solid var(--green-primary);
 }

 .promo-overlay.promo-visible .promo-popup {
     transform: translateX(0) scale(1);
     opacity: 1;
 }

 .promo-overlay.promo-hiding .promo-popup {
     transform: translateX(-20px) scale(0.95);
     opacity: 0;
 }

 .promo-close {
     position: absolute;
     top: 10px;
     right: 10px;
     background: var(--yellow);
     color: var(--black);
     border: 2px solid var(--black);
     font-size: 15px;
     font-weight: 700;
     cursor: pointer;
     z-index: 10;
     padding: 6px 12px;
     display: flex;
     align-items: center;
     gap: 4px;
     border-radius: 20px;
     transition: background-color 0.2s ease, transform 0.2s ease;
     line-height: 1;
 }

 .promo-close:hover {
     background: var(--white);
     transform: scale(1.05);
 }

 .promo-close:focus {
     outline: 2px solid var(--green-primary);
     outline-offset: 2px;
 }

 .promo-image {
     width: 100%;
     height: 140px;
     overflow: hidden;
 }

 .promo-image img {
     width: 100%;
     height: 100%;
     object-fit: cover;
     display: block;
 }

 .promo-text {
     padding: 16px;
     text-align: center;
 }

 .promo-text h3 {
     font-size: 18px;
     color: var(--green-darker);
     margin: 0 0 6px 0;
     font-weight: 700;
     line-height: 1.3;
 }

 .promo-text p {
     font-size: 13px;
     color: var(--black);
     margin: 0 0 14px 0;
     line-height: 1.5;
 }

 .promo-btn {
     display: inline-block;
     padding: 9px 24px;
     background-color: var(--green-darker);
     color: var(--white);
     text-decoration: none;
     border-radius: 6px;
     font-size: 13px;
     font-weight: 700;
     transition: background-color 0.3s ease, transform 0.2s ease;
     border: 2px solid var(--green-darker);
 }

 .promo-btn:hover {
     background-color: var(--yellow);
     color: var(--black);
     border-color: var(--black);
     transform: translateY(-2px);
 }

 .promo-btn:focus {
     outline: 2px solid var(--green-primary);
     outline-offset: 2px;
 }

 /* Mobile responsive for popup */
 @media (max-width: 480px) {
     .promo-overlay {
         top: 12px;
         left: 12px;
     }

     .promo-popup {
         max-width: 92vw;
         border-radius: 10px;
         border-width: 2px;
     }

     .promo-image {
         height: 110px;
     }

     .promo-text h3 {
         font-size: 16px;
     }

     .promo-text p {
         font-size: 12px;
     }

     .promo-btn {
         padding: 8px 18px;
         font-size: 12px;
         width: 100%;
         text-align: center;
         box-sizing: border-box;
     }

     .promo-close {
         top: 5px;
         right: 5px;
         padding: 5px 10px;
         font-size: 13px;
     }
 }