/* ===== CSS Variables ===== */
:root {
    --blue: #002E66;
    --blue-dark: #001F47;
    --blue-light: #0A4A8A;
    --gold: #B38808;
    --gold-light: #D4AF37;
    --gold-dark: #8A6A00;
    --white: #FFFFFF;
    --off-white: #F8F9FC;
    --gray-100: #F1F3F8;
    --gray-200: #E2E6EF;
    --gray-600: #5A6478;
    --gray-800: #2C3444;
    --black: #0A0A0A;
    --shadow: 0 4px 20px rgba(0, 46, 102, 0.12);
    --shadow-lg: 0 10px 40px rgba(0, 46, 102, 0.18);
    --radius: 12px;
    --transition: 0.3s ease;
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Open Sans', system-ui, -apple-system, sans-serif;
    color: var(--gray-800);
    background: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: 'Montserrat', system-ui, sans-serif;
    font-weight: 700;
    line-height: 1.25;
    color: var(--blue);
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition);
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 1.75rem;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 50px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    text-align: center;
}

.btn-primary {
    background: var(--blue);
    color: var(--white);
    border-color: var(--blue);
}

.btn-primary:hover {
    background: var(--blue-dark);
    border-color: var(--blue-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

.btn-outline:hover {
    background: var(--white);
    color: var(--blue);
}

.btn-gold {
    background: var(--gold);
    color: var(--white);
    border-color: var(--gold);
}

.btn-gold:hover {
    background: var(--gold-dark);
    border-color: var(--gold-dark);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.05rem;
}

.btn-nav {
    background: var(--gold);
    color: var(--white) !important;
    padding: 0.55rem 1.25rem !important;
    border-radius: 50px;
    font-weight: 600;
}

.btn-nav:hover {
    background: var(--gold-dark);
    color: var(--white) !important;
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(0, 46, 102, 0.08);
    transition: all var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo-img {
    height: 52px;
    width: auto;
    max-width: 240px;
    object-fit: contain;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--blue);
    position: relative;
}

.nav-link:not(.btn-nav)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold);
    transition: width var(--transition);
}

.nav-link:not(.btn-nav):hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.hamburger span {
    display: block;
    width: 26px;
    height: 3px;
    background: var(--blue);
    border-radius: 2px;
    transition: all var(--transition);
}

/* ===== Hero ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue) 50%, #003d7a 100%);
    padding-top: 80px;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 70% 50%, rgba(179, 136, 8, 0.15) 0%, transparent 60%);
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    position: relative;
    z-index: 1;
    padding: 4rem 1.5rem;
}

.hero-text h1 {
    font-size: clamp(2.5rem, 5vw, 3.75rem);
    color: var(--white);
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gold-light);
    margin-bottom: 1.25rem;
}

.hero-desc {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.85);
    max-width: 480px;
    margin-bottom: 1.25rem;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-bottom: 1.75rem;
}

.badge {
    display: inline-block;
    padding: 0.35rem 0.85rem;
    background: rgba(179, 136, 8, 0.25);
    border: 1px solid rgba(212, 175, 55, 0.5);
    color: var(--gold-light);
    font-family: 'Montserrat', sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 50px;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-logo {
    max-width: 380px;
    width: 100%;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.4));
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

/* ===== Sections Common ===== */
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 3.5rem;
}

.section-header h2 {
    font-size: clamp(1.85rem, 4vw, 2.5rem);
    margin-bottom: 0.75rem;
}

.section-header p {
    color: var(--gray-600);
    font-size: 1.1rem;
}

/* ===== Services ===== */
.services {
    padding: 6rem 0;
    background: var(--off-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
}

.service-card {
    background: var(--white);
    padding: 2rem 1.75rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: all var(--transition);
    border: 1px solid transparent;
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(179, 136, 8, 0.3);
}

.service-icon {
    font-size: 2.25rem;
    margin-bottom: 1rem;
}

.service-card h3 {
    font-size: 1.15rem;
    margin-bottom: 0.6rem;
    color: var(--blue);
}

.service-card p {
    color: var(--gray-600);
    font-size: 0.95rem;
}

.services-contact {
    text-align: center;
    margin-top: 3rem;
    padding: 1.75rem 1.5rem;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.services-contact p {
    color: var(--gray-600);
    margin-bottom: 0.5rem;
}

.services-contact p:last-child {
    margin-bottom: 0;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 1.05rem;
}

.services-contact a {
    color: var(--blue);
}

.services-contact a:hover {
    color: var(--gold);
}

/* ===== How It Works ===== */
.how-it-works {
    padding: 6rem 0;
    background: var(--white);
}

.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--blue), var(--blue-light));
    color: var(--white);
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1.4rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
    box-shadow: 0 4px 15px rgba(0, 46, 102, 0.3);
}

.step h3 {
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
}

.step p {
    color: var(--gray-600);
    font-size: 0.95rem;
}

/* ===== About ===== */
.about {
    padding: 6rem 0;
    background: linear-gradient(180deg, var(--gray-100) 0%, var(--white) 100%);
}

.about-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.about-content h2 {
    font-size: clamp(1.75rem, 3.5vw, 2.25rem);
    margin-bottom: 1.25rem;
}

.about-content > p {
    color: var(--gray-600);
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

.about-list {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.about-list li {
    padding-left: 1.75rem;
    position: relative;
    color: var(--gray-800);
}

.about-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--gold);
    font-weight: 700;
}

.about-image {
    display: flex;
    justify-content: center;
}

.about-logo {
    max-width: 300px;
    filter: drop-shadow(0 15px 30px rgba(0, 46, 102, 0.2));
}

/* ===== Booking ===== */
.booking {
    padding: 6rem 0;
    background: var(--off-white);
}

.booking-form {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    max-width: 800px;
    margin: 0 auto;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.35rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--blue);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.8rem 1rem;
    border: 1.5px solid var(--gray-200);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    color: var(--gray-800);
    background: var(--white);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(0, 46, 102, 0.12);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #A0A8B8;
}

.form-submit {
    margin-top: 1.75rem;
    text-align: center;
}

.form-note {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--gray-600);
}

.file-hint {
    font-size: 0.85rem;
    color: var(--gray-600);
    margin-top: 0.35rem;
}

.form-group input[type="file"] {
    padding: 0.65rem;
    background: var(--gray-100);
    cursor: pointer;
}

.form-error {
    margin-top: 1rem;
    color: #c0392b;
    font-weight: 500;
    font-size: 0.95rem;
}

/* Success state */
.form-success {
    background: var(--white);
    padding: 3rem 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    max-width: 560px;
    margin: 0 auto;
    text-align: center;
}

.success-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    color: var(--white);
    font-size: 2.25rem;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.form-success h3 {
    margin-bottom: 0.75rem;
}

.form-success p {
    color: var(--gray-600);
    margin-bottom: 1.75rem;
}

/* ===== Service Area ===== */
.service-area {
    padding: 5rem 0;
    background: var(--white);
}

.area-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.area-content p {
    color: var(--gray-600);
    font-size: 1.05rem;
    margin-bottom: 1rem;
}

.area-content a {
    color: var(--blue);
    font-weight: 600;
}

.area-content a:hover {
    color: var(--gold);
}

/* ===== Recycling Impact ===== */
.recycling {
    padding: 5rem 0;
    background: linear-gradient(180deg, var(--off-white) 0%, var(--white) 100%);
}

.recycling-total {
    text-align: center;
    margin-bottom: 2.5rem;
}

.total-number {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(2.75rem, 6vw, 4rem);
    font-weight: 800;
    color: var(--blue);
    line-height: 1.1;
}

.total-label {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--gold-dark);
    margin-top: 0.35rem;
}

.total-sub {
    font-size: 1.05rem;
    color: var(--gray-600);
    margin-top: 0.35rem;
}

.recycling-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.15rem;
}

.recycle-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 1.35rem 1rem;
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid transparent;
    transition: all var(--transition);
}

.recycle-card:hover {
    border-color: rgba(179, 136, 8, 0.35);
    transform: translateY(-3px);
}

.recycle-weight {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--blue);
}

.recycle-tons {
    font-size: 0.85rem;
    color: var(--gold-dark);
    font-weight: 600;
    margin-top: 0.15rem;
}

.recycle-name {
    font-size: 0.85rem;
    color: var(--gray-600);
    margin-top: 0.4rem;
    line-height: 1.3;
}

.donated-banner {
    margin-top: 2.5rem;
    background: linear-gradient(135deg, var(--blue-dark), var(--blue));
    color: var(--white);
    text-align: center;
    padding: 2.25rem 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
}

.donated-number {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(2.4rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1;
}

.donated-label {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--gold-light);
    margin: 0.4rem 0 0.75rem;
}

.donated-banner p {
    color: rgba(255, 255, 255, 0.85);
    margin: 0;
}

.recycling-note {
    text-align: center;
    margin-top: 2rem;
    color: var(--gray-600);
    font-size: 0.95rem;
}

@media (max-width: 992px) {
    .recycling-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 600px) {
    .recycling-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===== Reviews ===== */
.reviews {
    padding: 5rem 0;
    background: var(--off-white);
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.review-card {
    background: var(--white);
    padding: 1.75rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.stars {
    color: var(--gold);
    font-size: 1.15rem;
    letter-spacing: 2px;
    margin-bottom: 0.85rem;
}

.review-text {
    color: var(--gray-800);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1rem;
    font-style: italic;
}

.review-author {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--blue);
}

.reviews-cta {
    text-align: center;
}

.reviews-cta p {
    color: var(--gray-600);
    margin-bottom: 1rem;
}

/* ===== FAQ ===== */
.faq {
    padding: 5rem 0;
    background: var(--white);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.faq-item {
    background: var(--off-white);
    padding: 1.5rem 1.75rem;
    border-radius: var(--radius);
    border-left: 4px solid var(--gold);
}

.faq-item h3 {
    font-size: 1.05rem;
    margin-bottom: 0.5rem;
}

.faq-item p {
    color: var(--gray-600);
    font-size: 0.95rem;
    margin: 0;
}

/* ===== Sticky Call Button ===== */
.sticky-call {
    display: none;
    position: fixed;
    bottom: 1.25rem;
    right: 1.25rem;
    z-index: 999;
    background: var(--gold);
    color: var(--white);
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 0.95rem;
    padding: 0.9rem 1.35rem;
    border-radius: 50px;
    box-shadow: 0 6px 20px rgba(179, 136, 8, 0.45);
    transition: all var(--transition);
}

.sticky-call:hover {
    background: var(--gold-dark);
    transform: translateY(-2px);
}

/* ===== CTA Banner ===== */
.cta-banner {
    padding: 4.5rem 0;
    background: linear-gradient(135deg, var(--blue-dark), var(--blue));
    text-align: center;
    color: var(--white);
}

.cta-banner h2 {
    color: var(--white);
    font-size: clamp(1.75rem, 3.5vw, 2.25rem);
    margin-bottom: 0.75rem;
}

.cta-banner p {
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 1.75rem;
    font-size: 1.1rem;
}

/* ===== Footer ===== */
.footer {
    background: var(--blue-dark);
    color: rgba(255, 255, 255, 0.8);
    padding-top: 4rem;
}

.footer-container {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 3rem;
    padding-bottom: 3rem;
}

.footer-logo {
    height: 48px;
    width: auto;
    margin-bottom: 1rem;
    /* Make logo work on dark bg by slight brightness if needed */
    filter: brightness(1.1);
}

.footer-brand p {
    font-size: 0.95rem;
    max-width: 280px;
    line-height: 1.6;
}

.footer-links h4,
.footer-contact h4 {
    font-family: 'Montserrat', sans-serif;
    color: var(--white);
    font-size: 1.05rem;
    margin-bottom: 1.15rem;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.footer-links a:hover,
.footer-contact a:hover {
    color: var(--gold-light);
}

.footer-contact p {
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.9);
}

.service-area {
    margin-top: 0.75rem;
    font-size: 0.875rem;
    opacity: 0.75;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1.25rem 0;
    text-align: center;
    font-size: 0.875rem;
}

/* ===== Responsive ===== */
@media (max-width: 992px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .hero-desc {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-badges {
        justify-content: center;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-logo {
        max-width: 280px;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .steps {
        grid-template-columns: repeat(2, 1fr);
        gap: 2.5rem;
    }

    .about-container {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .about-image {
        order: -1;
    }

    .reviews-grid {
        grid-template-columns: 1fr;
    }

    .footer-container {
        grid-template-columns: 1fr 1fr;
    }

    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--white);
        padding: 1.5rem;
        box-shadow: var(--shadow);
        transform: translateY(-120%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.35s ease;
    }

    .nav.open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-list {
        flex-direction: column;
        gap: 1.25rem;
        align-items: stretch;
        text-align: center;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .steps {
        grid-template-columns: 1fr;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .booking-form {
        padding: 1.75rem 1.25rem;
    }

    .footer-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .sticky-call {
        display: inline-flex;
        align-items: center;
        gap: 0.4rem;
    }
}

@media (max-width: 480px) {
    .logo-img {
        height: 40px;
        max-width: 150px;
    }

    .hero-text h1 {
        font-size: 2.25rem;
    }

    .hero-cta {
        flex-direction: column;
        width: 100%;
    }

    .hero-cta .btn {
        width: 100%;
    }
}