/* Normalize and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--text-primary);
    background: var(--gradient-bg);
    background-attachment: fixed;
    line-height: 1.6;
    max-width: 960px;
    margin: auto;
}

[hidden] {
    display: none !important;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-headers);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    color: var(--headers-primary);
}

h1, h2 {
    font-size: var(--font-size-2xl);
}

h3 {
    font-size: var(--font-size-xl);
}

h4 {
    font-size: var(--font-size-lg);
}

h5,
h6 {
    font-size: var(--font-size-base);
}

p {
    margin-bottom: var(--spacing-md);
}

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

a.link:after {
    font-family: "Font Awesome 6 Free";
    display: inline-block;
    text-rendering: auto;
    -webkit-font-smoothing: antialiased;
    content: "\f08e";
    font-weight: 900;
    font-size: 0.5rem;
    position: relative;
    top: -.3rem;
    padding-left: 0.2rem;
}

a:hover {
    color: var(--accent-dark);
    text-decoration: underline;
}

ul,
ol {
    margin-left: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

li {
    margin-bottom: var(--spacing-sm);
}

/* Header */
header {
    border-radius: var(--radius-lg);
    display: flex;
    justify-content: flex-start;
}

.site-header {
    /* contains container and hamburger */
    background: var(--gradient-primary);
    color: var(--title-color);
    padding: var(--spacing-lg) 0px;
    margin: 0 var(--spacing-md);
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    /* contains logo and tagline */
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    flex: 1;
    justify-content: space-between;
    align-items: baseline;
    /* align-items: flex-end; */
}

.logo-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding-left: var(--spacing-sm);
}

.logo {
    height: 90px;
    width: auto;
    margin-left: var(--spacing-lg);
}

.logo-section h1 {
    font-size: var(--font-size-xl);
    color: var(--text-light);
    margin: 0;
}

.tagline {
    display: block;
    flex-direction: column;
    justify-content: flex-end;
    padding-right: var(--spacing-lg);
    text-wrap-mode: nowrap;
    flex-shrink: 0;
    padding-left: var(--spacing-lg);
}

.hamburger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: var(--spacing-sm);
    font-size: 4rem;
    margin-right: 1rem;
    /* border-radius: var(--radius-lg) 0 0 var(--radius-lg); */
    /* background: var(--bg-secondary); */
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-light);
    transition: var(--transition-normal);
    border-radius: var(--radius-sm);
}

.hamburger[aria-expanded="true"] span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.hamburger[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.hamburger[aria-expanded="true"] span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Main Layout */
.site-main {
    flex: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
    width: 100%;
}

.main-container {
    display: grid;
    grid-template-columns: 1fr 250px;
    gap: var(--spacing-xl);
}

.main-content {
    background: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

section>p:first-of-type {
    margin-top: 1em;
}

/* Sidebar */
.sidebar {
    position: sticky;
    top: 170px;
    height: fit-content;
}

.topbar {
    display: none;
    height: fit-content;
    width: 100%;
    background: var(--gradient-bg);
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.topbar-nav {
    display: flex;
    flex-direction: column;
    width: 100%;
    padding: var(--spacing-md);
}

.nav-link,
.contact-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
    color: var(--text-primary);
    border: 2px solid transparent;
    cursor: pointer;
}

.nav-link:hover,
.contact-link:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-color);
    color: var(--accent-color);
}

button:hover {
    border-color: var(--accent-color);
}

button.btn-primary:hover {
    background-color: var(--accent-light);
}

.nav-link i,
.contact-link i {
    font-size: var(--font-size-lg);
    color: var(--accent-color);
}

/* tweak alignment home link */
.nav-link i.fa-home {
    margin-right: -5px;
}

/* specials */

.key-value-grid>div:nth-child(odd) {
    font-weight: bold;
}

dt {
    font-weight: bold;
    font-family: var(--font-headers);
    margin-top: 1em;
}

/* Contact Section */
.contact-section {
    position: relative;
}

.contact-toggle {
    width: 100%;
    background: none;
    border: none;
    padding: 0;
    text-align: left;
}

.contact-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    padding-top: var(--spacing-md);
}

.contact-content a,
.contact-content button {
    color: var(--text-primary);
    text-decoration: none;
}

/* Contact Form Modal */
.contact-form-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
}

.modal-content {
    position: relative;
    background: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    max-width: 500px;
    width: 90%;
    z-index: 1001;
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: none;
    border: none;
    font-size: var(--font-size-2xl);
    cursor: pointer;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-content h3 {
    margin-bottom: var(--spacing-lg);
}

/* Form Styles */
form {
    background-color: var(--bg-primary);
}

form,
.form-group,
label,
input {
    position: relative
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
    color: var(--text-primary);
}

.form-group.group-role {
    position: absolute;
}

.form-group.group-role label {
    z-index: -4000;
}

.form-group.group-role input {
    z-index: -4000;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.form-group input.error,
.form-group textarea.error {
    border-color: var(--error-color);
}

.email-input.error {
    border-color: var(--error-color);
    background-color: rgba(231, 76, 60, 0.1);
}

.error-message {
    display: block;
    color: var(--error-color);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-sm);
    opacity: 0;
}

.error-message.error {
    opacity: 1;
}

.form-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
}

.btn {
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-primary {
    background: var(--accent-action);
    color: var(--text-primary);
    width: 9em;
}


.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    width: 6em;
}

/* Footer */
footer {
    border-radius: var(--radius-lg);
}

.site-footer {
    background: var(--primary-color);
    color: var(--text-light);
    padding: var(--spacing-sm) var(--spacing-md);
    margin: var(--spacing-lg) var(--spacing-md);
    text-align: center;
    margin-top: auto;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: row;
    gap: var(--spacing-md);
    justify-content: space-evenly;
}

.footer-container a {
    color: var(--text-light);
}

.footer-container a:hover {
    color: var(--accent-light);
}

/* About Page Styles */
.about-company {
    margin-bottom: var(--spacing-2xl);
}

.about-owner {
    margin-top: var(--spacing-2xl);
}

.owner-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
    background: var(--bg-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-lg);
}

.owner-photo {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.owner-info p {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

/* Privacy Section Styles */
.privacy-section {
    margin-bottom: var(--spacing-2xl);
}

.privacy-section h2 {
    margin-bottom: var(--spacing-lg);
    color: var(--accent-color);
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: var(--spacing-md);
}

.privacy-section ul {
    list-style-position: inside;
}

/* books */

.book-display {
    margin-bottom: 1em;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
}

.book-display>img {
    margin-right: 1.5em;
}

/* micro interactions */
a.nav-link:active,
button:active {
    box-shadow: var(--shadow-sm-deep);
    transform: translateY(2px);
}

/* Responsive Design - Mobile First */
@media (max-width: 768px) {

    .hamburger {
        display: block;
    }

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

    .logo-section h1 {
        font-size: var(--font-size-lg);
    }

    .main-content {
        padding: var(--spacing-lg);
    }

    h1 {
        font-size: var(--font-size-2xl);
    }

    h2 {
        font-size: var(--font-size-xl);
    }

    .owner-card {
        grid-template-columns: 1fr;
    }

    .modal-content {
        width: 95%;
    }

    .topbar.active {
        display: flex;
        position: fixed;
    }

    .sidebar {
        display: none;
    }

}


@media (max-width: 503px) {
    .header-container {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 487px) {
    /* .site-header {
        padding: var(--spacing-md);
    } */

    /* .logo {
        height: 40px;
    } */

    .logo-section h1 {
        font-size: var(--font-size-base);
    }

    .site-main {
        /* padding: var(--spacing-md); */
        padding: 0;
    }

    .main-content {
        padding: var(--spacing-md);
    }

    .form-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .footer-container {
        font-size: var(--font-size-sm);
    }

    h1 {
        font-size: var(--font-size-xl);
    }

    h2 {
        font-size: var(--font-size-lg);
    }

    h3 {
        font-size: var(--font-size-base);
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}