* {
    margin: 0;
    padding: 0;
    border: 0;
}

body {
    font-family: Arial, sans-serif;
    background-color: #e8f0f7;
    color: #1a2a3a;
}

/* --- Container --- */
#container {
    max-width: 1200px;
    margin: 0 auto;
    background-color: #ffffff;
}

/* --- Header --- */
header {
    top: 0;
    z-index: 100;
    background-color: #0a2540;
    display: block;
    text-align: center;
    padding: 10px 20px;
}

header img {
    display: block;
    margin: 0 auto 5px auto;
    height: 60px;
    width: auto;
}

header h1 {
    display: block;
    color: #ffffff;
    font-size: 1.3em;
    font-family: Georgia, serif;
    letter-spacing: 1px;
}

/* --- Hero --- */
#hero {
    width: 100%;
    overflow: hidden;
    max-height: 420px;
    position: relative;
}

#hero img {
    width: 100%;
    display: block;
    object-fit: cover;
    object-position: center top;
    opacity: 0.88;
    max-height: 420px;
}

#hero-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(10,37,64,0.92) 0%, rgba(10,37,64,0.4) 70%, transparent 100%);
    padding: 2.5rem 3rem;
    color: #ffffff;
}

#hero-overlay h2 {
    font-family: Georgia, serif;
    font-size: 2em;
    color: #ffffff;
    border-bottom: none;
    margin-bottom: 0.4em;
    line-height: 1.2;
}

#hero-overlay p {
    font-size: 1.05em;
    color: #c8dff0;
    margin-bottom: 1em;
}

/* --- Main --- */
main {
    background-color: #ffffff;
    padding: 2%;
    font-size: 1.05em;
    line-height: 1.7;
}

main h2 {
    color: #0a2540;
    font-size: 1.6em;
    margin: 1.2em 0 0.5em 0;
    border-bottom: 2px solid #3fc1c9;
    padding-bottom: 0.3em;
}

main h3 {
    color: #1a5276;
    font-size: 1.15em;
    margin: 1em 0 0.3em 0;
}

main p {
    margin-bottom: 1em;
}

main ul {
    margin: 0.5em 0 1em 5%;
    color: #1a2a3a;
}

main ul li {
    margin-bottom: 0.4em;
    line-height: 1.6;
}

/* --- Figure & Figcaption --- */
figure {
    margin: 1.2em 0;
    text-align: center;
}

figure img {
    max-width: 100%;
    display: block;
    margin: 0 auto;
    border-radius: 6px;
    box-shadow: 2px 4px 12px rgba(0,0,0,0.12);
}

figcaption {
    font-size: 0.85em;
    color: #555;
    font-style: italic;
    margin-top: 0.5em;
    font-family: Arial, sans-serif;
}

/* --- Vision Month Banner --- */
#vision-month-banner img {
    border-radius: 8px;
    /* max-height: 180px; */
    width: 100%;
    object-fit: cover;
    object-position: center;
}

/* --- CTA Buttons --- */
.cta-link {
    display: inline-block;
    background-color: #0a2540;
    color: #ffffff;
    text-decoration: none;
    padding: 0.7em 1.8em;
    border-radius: 4px;
    font-family: Arial, sans-serif;
    font-size: 1em;
    margin-top: 0.5em;
    box-shadow: 2px 3px 8px rgba(0,0,0,0.2);
    transition: background-color 0.2s, color 0.2s;
}

.cta-link:hover {
    background-color: #3fc1c9;
    color: #0a2540;
}

.cta-secondary {
    background-color: #1a5276;
}

.cta-secondary:hover {
    background-color: #3fc1c9;
    color: #0a2540;
}

/* --- Hours list --- */
.hours {
    list-style: none;
    margin: 0.5em 0 1em 0;
    padding: 0;
}

.hours li {
    padding: 0.3em 0;
    border-bottom: 1px solid #dde6f0;
    font-family: Arial, sans-serif;
    font-size: 0.95em;
}

.hours li:nth-of-type(odd) {
    background-color: rgba(63, 193, 201, 0.08);
    padding-left: 4px;
}

/* --- Announcements box --- */
#announcements {
    background-color: #eaf6fb;
    border-left: 5px solid #3fc1c9;
    padding: 1rem 1.2rem;
    margin-bottom: 1.5em;
    border-radius: 0 6px 6px 0;
    box-shadow: 2px 2px 8px rgba(0,0,0,0.07);
}

#announcements h2 {
    border-bottom: none;
    color: #0a2540;
    margin: 0 0 0.5em 0;
    font-size: 1.3em;
}

#announcements ul {
    margin-left: 4%;
    color: #1a5276;
}

#announcements ul li {
    font-weight: 600;
    margin-bottom: 0.5em;
}

#announcements a {
    color: #0a2540;
    text-decoration: underline;
}

/* --- Services Summary Cards --- */
#services-summary {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.2em;
    margin: 1.2em 0 1.5em 0;
}

.summary-card {
    background-color: #f0f7fb;
    border-radius: 6px;
    padding: 1.2rem;
    border-top: 3px solid #3fc1c9;
    box-shadow: 1px 2px 6px rgba(0,0,0,0.07);
}

.summary-card h3 {
    color: #0a2540;
    font-size: 1em;
    margin: 0 0 0.4em 0;
}

.summary-card p {
    font-size: 0.92em;
    margin: 0;
    color: #333;
    line-height: 1.5;
}

/* --- Online Booking CTA block --- */
#booking-cta {
    background-color: #0a2540;
    color: #ffffff;
    padding: 1.8em 2em;
    border-radius: 8px;
    margin: 1.8em 0;
    box-shadow: 2px 4px 14px rgba(0,0,0,0.18);
}

#booking-cta h2 {
    color: #3fc1c9;
    border-bottom: 2px solid rgba(63,193,201,0.3);
    font-size: 1.5em;
    margin-top: 0;
}

#booking-cta p {
    color: #c8dff0;
}

#booking-cta .cta-link {
    background-color: #3fc1c9;
    color: #0a2540;
    font-weight: bold;
}

#booking-cta .cta-link:hover {
    background-color: #ffffff;
    color: #0a2540;
}

#booking-cta .cta-secondary {
    background-color: transparent;
    border: 2px solid #3fc1c9;
    color: #3fc1c9;
    margin-top: 0.5em;
}

#booking-cta .cta-secondary:hover {
    background-color: #3fc1c9;
    color: #0a2540;
}

/* --- Free Checkup Event box --- */
#free-checkup {
    background-color: #fff8e6;
    border-left: 5px solid #e8a020;
    padding: 1.5em 2em;
    border-radius: 0 8px 8px 0;
    margin: 1.8em 0;
    box-shadow: 2px 3px 10px rgba(0,0,0,0.08);
}

#free-checkup h2 {
    color: #7a4500;
    border-bottom: 2px solid rgba(232,160,32,0.4);
    font-size: 1.4em;
    margin-top: 0;
}

#free-checkup h3 {
    color: #7a4500;
}

#free-checkup ul {
    margin-left: 4%;
}

#free-checkup a {
    color: #7a4500;
}

.event-note {
    background-color: rgba(232,160,32,0.15);
    padding: 0.6em 1em;
    border-radius: 4px;
    font-size: 0.95em;
    color: #7a4500;
}

/* --- Annual Eye Exam Article --- */
#eye-exam-article {
    background-color: #f7fbff;
    border-radius: 8px;
    padding: 1.8em 2em;
    margin: 1.8em 0;
    box-shadow: 1px 3px 10px rgba(0,0,0,0.07);
    border-top: 3px solid #0a2540;
}

#eye-exam-article h2 {
    font-size: 1.4em;
    margin-top: 0;
}

/* --- Package List --- */
.package-list {
    margin-left: 4%;
    margin-bottom: 1em;
}

.package-list li {
    margin-bottom: 0.5em;
    padding: 0.4em 0;
    border-bottom: 1px solid #dde6f0;
}

/* --- Articles of Interest --- */
#articles-section {
    background-color: #eaf6fb;
    border-radius: 6px;
    padding: 1.4em 1.8em;
    margin: 1.8em 0;
}

#articles-section h2 {
    font-size: 1.4em;
    margin-top: 0;
}

.articles-list {
    list-style: none;
    margin: 0.5em 0 0 0;
    padding: 0;
}

.articles-list li {
    border-bottom: 1px solid #c5daea;
    padding: 0.5em 0;
}

.articles-list li:last-child {
    border-bottom: none;
}

.articles-list a {
    color: #1a5276;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.97em;
}

.articles-list a:hover {
    color: #0a2540;
    text-decoration: underline;
}

.articles-list a::after {
    content: " \2197"; /* ↗ external link arrow */
    font-size: 0.85em;
}

/* --- Footer --- */
footer {
    background-color: #0a2540;
    padding: 1.5% 2%;
    text-align: center;
}

footer p {
    color: #a0b8cc;
    font-size: 0.85em;
    font-family: Arial, sans-serif;
    margin: 0.3em 0;
}

footer a {
    color: #3fc1c9;
    text-decoration: none;
}

/* --- img reset --- */
img {
    max-width: 100%;
    display: block;
}

/* --- Responsive visibility classes (defaults; responsive.css overrides on mobile) --- */
.mobile { display: none; }
.tablet-desktop { display: block; }

/* =============================================
   TABLET: min-width 630px
   ============================================= */
@media screen and (min-width: 630px) {

    header {
        position: static;
        padding: 15px 20px;
        text-align: left;
    }

    header img {
        display: inline-block;
        margin: 0 15px 0 0;
        vertical-align: middle;
    }

    header h1 {
        display: inline-block;
        font-size: 1.6em;
        vertical-align: middle;
    }
}

/* =============================================
   DESKTOP: min-width 768px
   ============================================= */
@media screen and (min-width: 768px) {

    header {
        position: sticky;
        top: 0;
        padding: 12px 30px;
        text-align: left;
    }

    header h1 { font-size: 1.8em; }

    main {
        padding: 3%;
    }

    main h2 { font-size: 1.8em; }

    #hero-overlay h2 {
        font-size: 2.4em;
    }
}

/* =============================================
   MOBILE: max-width 769px
   ============================================= */
@media screen and (max-width: 769px) {

    .mobile { display: block; }
    .tablet-desktop { display: none; }

    #services-summary {
        grid-template-columns: 1fr;
    }

    #hero-overlay {
        padding: 1.2rem 1.5rem;
    }

    #hero-overlay h2 {
        font-size: 1.4em;
    }

    #booking-cta, #free-checkup, #eye-exam-article {
        padding: 1.2em 1.2em;
    }
}