/* Dental Study Club Master Stylesheet */
:root {
    --bg-main: #ffffff;
    --bg-alt: #f4f7f9;
    --dark-azure: #096c76;
    --cyan: #1a9393;
    --gray-cyan: #80bcba;
    --gray: #939a95;
    --pastel-gray: #b8c9c8;
    --text-dark: #2d3748;
    --text-muted: #4a5568;
    --border: #e2e8f0;
}

* {
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-main);
    color: var(--text-dark);
    font-family: 'Montserrat', sans-serif;
    margin: 0;
    line-height: 1.6;
}

h1, h2, h3 {
    font-family: 'Montserrat', sans-serif;
    color: var(--dark-azure);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 80px 20px;
}

header {
    background-color: var(--bg-main);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.main-logo {
    height: 70px;
    width: auto;
    display: block;
    transition: opacity 0.3s ease;
}

.main-logo:hover {
    opacity: 0.8;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 30px;
    margin: 0;
    padding: 0;
    align-items: center;
}

.nav-links a {
    color: var(--dark-azure);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--gray-cyan);
}

.btn-nav {
    background-color: var(--gray);
    color: #fff !important;
    padding: 10px 20px;
    border-radius: 4px;
}

.btn-nav:hover {
    background-color: var(--pastel-gray);
}

.hero-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 80vh;
}

.hero-content {
    background-color: var(--dark-azure);
    color: #fff;
    padding: 100px 10%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-image {
    background: url('assets/ridge-gate-conference-center.webp') center/cover no-repeat;
}

.hero-content h1 {
    color: #fff;
    font-size: 3rem;
    line-height: 1.2;
    margin: 15px 0 25px;
}

.kicker {
    color: var(--gray-cyan);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 600;
    font-size: 0.9rem;
}

.hero-date {
    font-size: 1.1rem;
    color: var(--gray-cyan);
    margin-bottom: 40px;
}

.btn-primary {
    background-color: var(--gray);
    color: #fff;
    padding: 14px 32px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    border: none;
    transition: background 0.3s ease;
    cursor: pointer;
    text-align: center;
}

.btn-primary:hover {
    background-color: var(--pastel-gray);
}

.btn-secondary {
    background-color: transparent;
    color: #fff;
    padding: 14px 32px;
    border-radius: 4px;
    text-decoration: none;
    border: 1px solid rgba(255,255,255,0.3);
    margin-left: 15px;
    display: inline-block;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    border-color: #fff;
    background-color: rgba(255,255,255,0.1);
}

.section-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.lead-text {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.8;
}

.info-card {
    background: var(--bg-main);
    padding: 35px;
    border-top: 4px solid var(--gray);
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    margin-top: 40px;
    border-radius: 4px;
}

.info-card h3 {
    margin-top: 0;
    font-size: 1.3rem;
}

.logistics-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.logistics-list li {
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.logistics-list li:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.featured-flyer {
    width: 100%;
    box-shadow: 0 15px 40px rgba(13, 107, 107, 0.15);
    border-radius: 8px;
}

.bg-light {
    background-color: var(--gray-cyan);
}

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

.section-title {
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #ffffff;
}

.profile-stack {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.profile-row {
    display: flex;
    background: var(--bg-main);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    align-items: stretch;
}

.reverse-layout {
    flex-direction: row-reverse;
}

.profile-image-wrapper {
    flex: 0 0 40%;
    height: 100%;
    min-height: 400px;
    display: flex;
}

.profile-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
}

.profile-details {
    flex: 0 0 60%;
    padding: 50px;
}

.profile-header h3 {
    margin: 0;
    font-size: 1.8rem;
}

.suffix {
    color: var(--gray);
    font-size: 1rem;
    font-weight: 400;
    margin-left: 5px;
    font-family: 'Montserrat', sans-serif;
}

.practice-name {
    color: var(--cyan);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: 5px;
}

.profile-body {
    margin-top: 30px;
}

.profile-body h4 {
    color: var(--text-dark);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin: 25px 0 10px;
    font-family: 'Montserrat', sans-serif;
}

.profile-body ul {
    padding-left: 20px;
    color: var(--text-muted);
}

.profile-body li {
    margin-bottom: 8px;
}

.profile-body p {
    color: var(--text-muted);
}

.archive-section {
    max-width: 800px;
}

.archive-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px;
    border: 1px solid var(--border);
    border-radius: 8px;
    transition: box-shadow 0.3s ease;
}

.archive-item:hover {
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
}

.archive-info h4 {
    margin: 0 0 5px;
    font-size: 1.2rem;
}

.archive-info p {
    margin: 0;
    color: var(--text-muted);
}

.btn-outline {
    color: var(--dark-azure);
    border: 2px solid var(--dark-azure);
    padding: 10px 24px;
    text-decoration: none;
    font-weight: 600;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.btn-outline:hover {
    background-color: var(--dark-azure);
    color: #fff;
}

.rsvp-section {
    background-color: var(--dark-azure);
    background-image: linear-gradient(135deg, var(--dark-azure) 0%, var(--cyan) 100%);
    padding: 100px 20px;
}

.rsvp-card {
    background: var(--bg-main);
    max-width: 700px;
    margin: 0 auto;
    padding: 50px;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.rsvp-header {
    text-align: center;
    margin-bottom: 40px;
}

.rsvp-header h2 {
    margin-top: 0;
}

.rsvp-header p {
    color: var(--text-muted);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-dark);
}

input, textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-family: 'Montserrat', sans-serif;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    background-color: #fff;
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--dark-azure);
}

textarea {
    resize: none;
    height: 120px;
}

.full-width {
    width: 100%;
    font-size: 1.1rem;
    padding: 16px;
    margin-top: 10px;
}

.contact-alt {
    text-align: center;
    margin-top: 30px;
    color: var(--text-muted);
}

footer {
    padding: 20px;
    text-align: center;
    color: var(--text-muted);
    border-top: 1px solid var(--border);
}

footer .container {
    padding: 0;
}

footer a {
    text-decoration: none;
    color: var(--text-muted);
}
footer a:hover {
    color: var(--text-dark);
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--dark-azure);
    border-radius: 2px;
    transition: all 0.3s;
}

@media (max-width: 900px) {
    .hero-split {
        grid-template-columns: 1fr;
    }
    .hero-content {
        padding: 60px 20px;
        text-align: center;
    }
    .hero-image {
        min-height: 300px;
    }
    .profile-row, .reverse-layout {
        flex-direction: column;
    }
    .profile-details {
        padding: 30px;
    }
    .profile-image-wrapper {
        min-height: 300px;
    }
    .container {
        padding: 40px 40px;
    }

    .nav-wrapper {
        flex-direction: row;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 0;
        padding: 15px 20px;
    }

    .main-logo {
        height: 50px;
    }

    .hamburger {
        display: flex;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        background-color: var(--bg-main);
        padding: 20px 0;
        gap: 20px;
        text-align: center;
    }

    .nav-links.active {
        display: flex;
    }

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

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

    .hero-content h1 {
        font-size: 2.2rem;
    }

    .btn-secondary {
        margin-top: 15px;
    }

    .hero-btns {
        padding: 0 4em;
    }

    .archive-item {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }

    .rsvp-card {
        padding: 30px 20px;
    }
    .rsvp-section {
        background-color: var(--dark-azure);
        background-image: linear-gradient(135deg, var(--dark-azure) 0%, var(--cyan) 100%);
        padding: 80px 0px;
    }

}