/* ========================================
   CSS Custom Properties (Design Tokens)
   ======================================== */
:root {
    /* Colors - palette from bio photo */
    --color-bg: #f8f9fb;
    --color-bg-alt: #e8eaef;
    --color-text: #002c44;
    --color-text-muted: #5b6073;
    --color-accent: #711801;
    --color-accent-hover: #4a1001;
    --color-white: #ffffff;
    --color-border: #ccd3e3;

    /* Typography */
    --font-heading: "Playfair Display", Georgia, serif;
    --font-body: Georgia, "Times New Roman", serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Layout */
    --max-width: 1200px;
    --header-height: 80px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: var(--font-body);
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
}

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

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

a:hover {
    color: var(--color-accent-hover);
}

ul {
    list-style: none;
}

/* ========================================
   Typography
   ======================================== */
h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    font-weight: 400;
    line-height: 1.3;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
}

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

p:last-child {
    margin-bottom: 0;
}

/* ========================================
   Layout Components
   ======================================== */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
}

.section:nth-child(even) {
    background-color: var(--color-bg-alt);
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.section-title::after {
    content: "";
    display: block;
    width: 60px;
    height: 2px;
    background-color: var(--color-accent);
    margin: var(--spacing-sm) auto 0;
}

/* ========================================
   Button Styles
   ======================================== */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    background-color: var(--color-accent);
    color: var(--color-white);
    font-family: var(--font-body);
    font-size: 1rem;
    border: 2px solid var(--color-accent);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
}

.btn:hover {
    background-color: transparent;
    color: var(--color-accent);
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn--primary {
    background-color: var(--color-accent);
    color: var(--color-white);
    text-decoration: none;
}

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

.btn.btn--disabled,
.btn--disabled {
    background-color: #ccd3e3 !important;
    color: #86868b !important;
    border-color: #ccd3e3 !important;
    cursor: default;
    pointer-events: none;
}

.btn.btn--disabled:hover,
.btn--disabled:hover {
    background-color: #ccd3e3 !important;
    color: #86868b !important;
}

/* ========================================
   Header & Navigation
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background-color: #003c5b;
    border-bottom: none;
    z-index: 1000;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.nav-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--color-white);
}

.nav-logo:hover {
    color: rgba(255, 255, 255, 0.8);
}

.nav-menu {
    display: flex;
    gap: var(--spacing-md);
}

.nav-link {
    color: var(--color-white);
    font-size: 0.9375rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    position: relative;
}

.nav-link::after {
    content: "";
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-white);
    transition: width var(--transition-normal);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link:hover {
    color: rgba(255, 255, 255, 0.8);
}

/* Mobile Navigation Toggle */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-white);
    position: relative;
    transition: background-color var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: "";
    position: absolute;
    width: 24px;
    height: 2px;
    background-color: var(--color-white);
    transition: transform var(--transition-normal);
}

.hamburger::before {
    top: -7px;
}

.hamburger::after {
    bottom: -7px;
}

/* Active hamburger state */
.nav-toggle[aria-expanded="true"] .hamburger {
    background-color: transparent;
}

.nav-toggle[aria-expanded="true"] .hamburger::before {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .hamburger::after {
    transform: translateY(-7px) rotate(-45deg);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    padding-top: var(--header-height);
}

.hero-content {
    padding: var(--spacing-lg);
    text-align: right;
}

.hero-title {
    margin-bottom: var(--spacing-xs);
}

.hero-subtitle {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-style: italic;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.hero-tagline {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    max-width: 400px;
    margin-left: auto;
}

.hero-image {
    height: 100%;
    min-height: 500px;
    background-color: var(--color-bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

/* ========================================
   Placeholder Images
   ======================================== */
.placeholder-image {
    background-color: var(--color-bg-alt);
    border: 2px dashed var(--color-border);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    min-height: 300px;
    width: 100%;
    height: 100%;
}

.placeholder-image span {
    font-family: var(--font-heading);
    font-size: 1.25rem;
}

.placeholder-image small {
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
}

.placeholder-note {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.875rem;
    margin-top: var(--spacing-md);
}

/* ========================================
   Bio Section
   ======================================== */
.bio-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.bio-image {
    position: sticky;
    top: calc(var(--header-height) + var(--spacing-md));
}

.bio-image .placeholder-image {
    min-height: 400px;
}

.bio-image img {
    width: 100%;
    height: auto;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.bio-text p {
    text-align: justify;
}

/* ========================================
   Gallery Section
   ======================================== */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
}

.gallery-item {
    aspect-ratio: 1;
    overflow: hidden;
    cursor: pointer;
}

.gallery-placeholder {
    min-height: unset;
    height: 100%;
    transition: transform var(--transition-normal);
}

.gallery-item:hover .gallery-placeholder {
    transform: scale(1.05);
}

/* When real images are added */
.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

/* ========================================
   Teaching Section
   ======================================== */
.teaching-content {
    max-width: 800px;
    margin: 0 auto;
}

.teaching-philosophy,
.teaching-offerings {
    margin-bottom: var(--spacing-md);
}

.teaching-philosophy h3,
.teaching-offerings h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-accent);
}

.offerings-list {
    padding-left: var(--spacing-md);
}

.offerings-list li {
    position: relative;
    margin-bottom: var(--spacing-xs);
}

.offerings-list li::before {
    content: "\2022";
    color: var(--color-accent);
    position: absolute;
    left: -1rem;
}

.teaching-cta {
    text-align: center;
    margin-top: var(--spacing-lg);
}

/* ========================================
   Discography Section
   ======================================== */
.album-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-md);
}

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

.album-cover {
    margin-bottom: var(--spacing-sm);
}

.album-placeholder {
    min-height: 250px;
    aspect-ratio: 1;
}

.album-cover img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.album-title {
    margin-bottom: var(--spacing-xs);
}

.album-artist {
    font-style: italic;
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-xs);
}

.album-year,
.album-label {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    margin-bottom: 0;
}

.album-note {
    display: inline-block;
    margin-top: var(--spacing-xs);
    padding: 0.25rem 0.5rem;
    background-color: var(--color-accent);
    color: var(--color-white);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.album-link {
    display: inline-block;
    margin-top: var(--spacing-xs);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition-fast);
}

.album-link:hover {
    border-bottom-color: var(--color-accent);
}

/* Streaming Service Icons */
.album-links {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    margin-top: var(--spacing-sm);
}

.album-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    opacity: 0.7;
    transition:
        opacity var(--transition-fast),
        transform var(--transition-fast);
}

.album-links a:hover {
    opacity: 1;
    transform: scale(1.1);
}

.album-links img {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

/* ========================================
   Media Section
   ======================================== */
.media-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    max-width: 900px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .media-grid {
        grid-template-columns: 1fr;
    }
}

.media-item {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    overflow: hidden;
}

.media-item.video .media-embed {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
}

.media-item.video .media-embed iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.media-info {
    padding: var(--spacing-sm);
}

.media-title {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
}

.media-description {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    margin-bottom: 0;
}

/* ========================================
   Calendar Section
   ======================================== */
.calendar {
    background-color: #6c2d1e !important;
}

.calendar .section-title {
    color: var(--color-white);
}

.calendar .section-title::after {
    background-color: var(--color-white);
}

.events-list {
    max-width: 900px;
    margin: 0 auto;
}

.event-card {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--spacing-md);
    align-items: center;
    padding: var(--spacing-md);
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    margin-bottom: var(--spacing-sm);
    transition: box-shadow var(--transition-normal);
}

.event-card:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.event-date {
    text-align: center;
    padding: var(--spacing-sm);
    min-width: 80px;
    border-right: 2px solid var(--color-accent);
}

.event-month {
    display: block;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
}

.event-day {
    display: block;
    font-family: var(--font-heading);
    font-size: 2rem;
    line-height: 1;
}

.event-year {
    display: block;
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.event-time {
    display: block;
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
    color: var(--color-text);
}

.event-title {
    margin-bottom: var(--spacing-xs);
}

.event-venue,
.event-location,
.event-program {
    margin-bottom: 0;
    font-size: 0.9375rem;
}

.event-venue {
    font-weight: 600;
}

.event-location {
    color: var(--color-text-muted);
}

.event-program {
    font-style: italic;
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
}

.event-action {
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.event-action .btn {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background-color: #003c5b;
    color: var(--color-bg);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer h2,
.footer h3 {
    color: var(--color-bg);
    margin-bottom: var(--spacing-sm);
}

.footer a {
    color: var(--color-bg);
    opacity: 0.8;
}

.footer a:hover {
    opacity: 1;
    color: var(--color-bg);
}

.footer-content {
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
}

.contact-intro {
    margin-bottom: var(--spacing-md);
    color: rgba(250, 250, 250, 0.8);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.form-group label {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: rgba(250, 250, 250, 0.7);
}

.form-group input,
.form-group textarea {
    padding: 0.75rem;
    font-family: var(--font-body);
    font-size: 1rem;
    border: 1px solid rgba(250, 250, 250, 0.3);
    background-color: rgba(250, 250, 250, 0.1);
    color: var(--color-bg);
    transition:
        border-color var(--transition-fast),
        background-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: rgba(250, 250, 250, 0.6);
    background-color: rgba(250, 250, 250, 0.15);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form .btn {
    align-self: flex-start;
    margin-top: var(--spacing-xs);
    background-color: var(--color-bg);
    color: var(--color-text);
    border-color: var(--color-bg);
}

.contact-form .btn:hover {
    background-color: transparent;
    color: var(--color-bg);
}

.footer-bottom {
    border-top: 1px solid rgba(250, 250, 250, 0.2);
    padding-top: var(--spacing-md);
    text-align: center;
    font-size: 0.875rem;
    color: rgba(250, 250, 250, 0.6);
}

/* ========================================
   Lightbox
   ======================================== */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90%;
}

.lightbox-image {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
    position: absolute;
    background: none;
    border: none;
    color: var(--color-white);
    font-size: 2rem;
    cursor: pointer;
    padding: var(--spacing-sm);
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
    opacity: 1;
}

.lightbox-close {
    top: var(--spacing-md);
    right: var(--spacing-md);
}

.lightbox-prev {
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-next {
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
}

/* ========================================
   Responsive Design
   ======================================== */

/* Tablet */
@media (max-width: 992px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        text-align: center;
        order: 2;
        padding: var(--spacing-md);
    }

    .hero-tagline {
        margin: 0 auto;
    }

    .hero-image {
        order: 1;
        min-height: 400px;
    }

    .bio-content {
        grid-template-columns: 1fr;
    }

    .bio-image {
        position: static;
        max-width: 400px;
        margin: 0 auto var(--spacing-md);
    }

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

/* Mobile */
@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }

    .nav-toggle {
        display: block;
    }

    .nav-menu {
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        background-color: #003c5b;
        flex-direction: column;
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
        border-bottom: none;
        display: none;
    }

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

    .nav-link {
        display: block;
        padding: var(--spacing-xs) 0;
    }

    .section {
        padding: var(--spacing-lg) 0;
    }

    .event-card {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .event-date {
        border-right: none;
        border-bottom: 2px solid var(--color-accent);
        padding-bottom: var(--spacing-sm);
        margin-bottom: var(--spacing-sm);
    }

    .event-action {
        margin-top: var(--spacing-sm);
    }

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

    .contact-form .btn {
        align-self: center;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .album-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
        margin: 0 auto;
    }
}