/* ==========================================================================
   CSS SYSTEM: MONOCHROME BRUTALISM
   ========================================================================== */

:root {
    /* Colors */
    --color-bg-light: #ffffff;
    --color-bg-dark: #0a0a0a;
    --color-text-light: #000000;
    --color-text-dark: #ffffff;
    --color-text-muted-light: #666666;
    --color-text-muted-dark: #a0a0a0;
    --color-border-light: #e5e5e5;
    --color-border-dark: #262626;
    --color-border-accent: #000000;
    
    /* Fonts */
    --font-sans: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'Space Mono', monospace;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--color-bg-light);
    color: var(--color-text-light);
    font-family: var(--font-sans);
    -webkit-font-smoothing: antialiased;
}

body {
    overflow-x: hidden;
    cursor: none; /* Hide default cursor to use custom cursor */
}

/* Base Typo */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    text-transform: uppercase;
}

p {
    font-size: 1.125rem;
    line-height: 1.6;
    font-weight: 400;
}

a {
    color: inherit;
    text-decoration: none;
    cursor: none;
}

/* Utilities for Layout */
.section-padding {
    padding: var(--spacing-lg) 5%;
}

@media (min-width: 768px) {
    .section-padding {
        padding: var(--spacing-xl) 10%;
    }
}

.grid-container {
    display: grid;
    grid-template-columns: 1fr;
    width: 100%;
}

@media (min-width: 992px) {
    .grid-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Border Utilities */
.border-top { border-top: 1px solid var(--color-border-light); }
.border-bottom { border-bottom: 1px solid var(--color-border-light); }
.border-right { border-right: none; }

@media (min-width: 992px) {
    .border-right { border-right: 1px solid var(--color-border-light); }
}

/* Dark Mode Sections overrides */
.dark-bg {
    background-color: var(--color-bg-dark);
    color: var(--color-text-dark);
}

.dark-bg .border-top { border-top: 1px solid var(--color-border-dark); }
.dark-bg .border-bottom { border-bottom: 1px solid var(--color-border-dark); }
.dark-bg .border-right { border-right: none; }

@media (min-width: 992px) {
    .dark-bg .border-right { border-right: 1px solid var(--color-border-dark); }
}

.text-white { color: var(--color-text-dark); }
.text-gray { color: var(--color-text-muted-dark); }

/* Monospace Labels & Badges */
.mono-label {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    display: inline-block;
}

/* Custom Cursor (hidden by default on mobile/touch screens) */
.custom-cursor,
.custom-cursor-dot {
    display: none;
    pointer-events: none;
    position: fixed;
    transform: translate(-50%, -50%);
    z-index: 9999;
    mix-blend-mode: difference;
    background-color: #fff;
    border-radius: 50%;
}

/* Enable custom cursor only on large hoverable screens (desktop) */
@media (min-width: 1025px) {
    body {
        cursor: none; /* Hide default cursor */
    }
    
    .custom-cursor {
        display: block;
        width: 30px;
        height: 30px;
        border: 1px solid #000;
        transition: width 0.2s, height 0.2s, background-color 0.2s;
    }
    
    .custom-cursor-dot {
        display: block;
        width: 6px;
        height: 6px;
    }

    /* Custom cursor hover state */
    .custom-cursor.hover {
        width: 60px;
        height: 60px;
        background-color: transparent;
        border-color: #fff;
    }
}

/* Scroll Reveal */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Header & Navigation */
/* Mobile-First Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border-light);
    z-index: 100;
    transition: background-color 0.3s, border-color 0.3s;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
}

@media (min-width: 768px) {
    .header-container {
        padding: 1.5rem 10%;
    }
}

.logo {
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: -0.05em;
    font-family: var(--font-sans);
}

/* Default Mobile: Drawer navigation and visible toggle button */
.nav-toggle {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: none;
    border: none;
    z-index: 101;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-text-light);
    transition: transform 0.3s, opacity 0.3s;
}

.nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    height: 100vh;
    background-color: var(--color-bg-light);
    border-left: 1px solid var(--color-border-light);
    padding: 8rem 10% 2rem;
    transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 99;
}

.nav-menu.open {
    right: 0;
}

.nav-menu ul {
    display: flex;
    flex-direction: column;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    padding: 0.5rem;
    transition: opacity 0.3s;
}

.nav-link:hover {
    opacity: 0.6;
}

.nav-toggle.open span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2) {
    opacity: 0;
}
.nav-toggle.open span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* Desktop override: inline menu, hide toggle */
@media (min-width: 769px) {
    .nav-toggle {
        display: none;
    }
    
    .nav-menu {
        position: static;
        width: auto;
        height: auto;
        background-color: transparent;
        border-left: none;
        padding: 0;
        transition: none;
        z-index: auto;
    }

    .nav-menu ul {
        flex-direction: row;
        gap: 1.5rem;
    }

    .nav-link {
        font-size: 0.9rem;
    }
}

/* Buttons */
.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 0.9rem;
    padding: 1rem 2rem;
    text-transform: uppercase;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    border: 1px solid #000;
}

.btn-primary {
    background-color: #000;
    color: #fff;
}

.btn-primary:hover {
    background-color: #fff;
    color: #000;
}

.btn-secondary {
    background-color: transparent;
    color: #000;
}

.btn-secondary:hover {
    background-color: #000;
    color: #fff;
}

.icon-btn {
    gap: 0.5rem;
}

.icon-btn svg {
    transition: transform 0.3s ease;
}

.icon-btn:hover svg {
    transform: translate(2px, -2px);
}

.dark-bg .btn-primary {
    border-color: #fff;
    background-color: #fff;
    color: #000;
}

.dark-bg .btn-primary:hover {
    background-color: #000;
    color: #fff;
}

.dark-bg .btn-secondary {
    border-color: #fff;
    color: #fff;
}

.dark-bg .btn-secondary:hover {
    background-color: #fff;
    color: #000;
}

/* Hero Section */
.hero-section {
    padding-top: 6rem; /* space for fixed header */
    border-bottom: 1px solid var(--color-border-light);
}

.hero-grid {
    min-height: calc(100vh - 6rem);
}

.hero-text-col {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 3rem 5%;
}

@media (min-width: 992px) {
    .hero-text-col {
        padding: 5rem 10%;
    }
}

.tag-main {
    margin-bottom: 2rem;
    padding: 0.25rem 0.75rem;
    border: 1px solid var(--color-text-light);
    align-self: flex-start;
}

.hero-title {
    font-size: clamp(3.5rem, 8vw, 6.5rem);
    line-height: 0.9;
    letter-spacing: -0.05em;
    margin-bottom: 2rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-muted-light);
    margin-bottom: 3rem;
    max-width: 500px;
}

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

.hero-image-col {
    position: relative;
    overflow: hidden;
    background-color: #eaeaea;
    display: flex;
    align-items: stretch;
}

.hero-image-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 400px;
    overflow: hidden;
}

.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%) contrast(1.1);
    transition: transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-image-wrapper:hover .hero-img {
    transform: scale(1.05);
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0,0,0,0) 60%, rgba(0,0,0,0.4));
    pointer-events: none;
}

/* Marquee Section */
.marquee-section {
    background-color: var(--color-bg-light);
    overflow: hidden;
    padding: 1.5rem 0;
}

.marquee-wrapper {
    display: flex;
    white-space: nowrap;
}

.marquee-content {
    display: flex;
    animation: marquee 20s linear infinite;
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1.25rem;
    text-transform: uppercase;
}

@keyframes marquee {
    0% { transform: translateX(0%); }
    100% { transform: translateX(-100%); }
}

/* Section Header */
.section-header {
    max-width: 800px;
    margin-bottom: 4rem;
}

.section-header .mono-label {
    margin-bottom: 1.5rem;
    opacity: 0.7;
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 1.5rem;
}

.section-desc {
    font-size: 1.25rem;
    color: var(--color-text-muted-light);
    max-width: 650px;
}

.dark-bg .section-desc {
    color: var(--color-text-muted-dark);
}

/* Aulas de Música Section */
.aulas-grid {
    grid-template-columns: 1fr;
}

@media (min-width: 992px) {
    .aulas-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.aula-card {
    padding: 3rem 5%;
    display: flex;
    flex-direction: column;
}

@media (min-width: 992px) {
    .aula-card {
        padding: 5rem 10%;
    }
}

.card-num {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.5;
}

.card-title {
    font-size: 2.25rem;
    margin-bottom: 1.5rem;
}

.card-text {
    color: var(--color-text-muted-light);
    margin-bottom: 2rem;
}

.card-bullets {
    list-style: none;
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 0.95rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.methodology-container {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: flex-start;
    padding: 3rem 5%;
    gap: 2rem;
}

@media (min-width: 768px) {
    .methodology-container {
        flex-direction: row;
        align-items: center;
        padding: 4rem 10%;
    }
}

.methodology-text {
    max-width: 600px;
}

.sub-heading {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

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

/* Mary Di - Portfólio Section */
.portfolio-grid {
    grid-template-columns: 1fr;
}

@media (min-width: 992px) {
    .portfolio-grid {
        grid-template-columns: 1.2fr 0.8fr;
    }
}

.video-player-container {
    padding: 0;
    background-color: #000;
    display: flex;
    flex-direction: column;
}

@media (min-width: 992px) {
    .video-player-container {
        padding: 3rem;
    }
}

.video-ratio-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 */
    height: 0;
    overflow: hidden;
    border: 1px solid var(--color-border-dark);
}

.video-ratio-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.player-info {
    padding: 2rem;
    background-color: #121212;
}

.player-title {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.player-desc {
    font-size: 1rem;
    color: var(--color-text-muted-dark);
}

.video-selector-container {
    padding: 2rem;
    display: flex;
    flex-direction: column;
}

@media (min-width: 992px) {
    .video-selector-container {
        padding: 3rem;
    }
}

.select-label {
    margin-bottom: 2rem;
    opacity: 0.5;
}

.tracklist {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.track-item {
    display: flex;
    align-items: center;
    padding: 1.25rem;
    border: 1px solid var(--color-border-dark);
    background-color: #121212;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.track-item:hover {
    background-color: #1c1c1c;
    border-color: var(--color-text-dark);
}

.track-item.active {
    background-color: var(--color-text-dark);
    color: var(--color-text-light);
    border-color: var(--color-text-dark);
}

.track-num {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1.25rem;
    margin-right: 1.5rem;
}

.track-details {
    flex-grow: 1;
}

.track-title {
    font-size: 1.15rem;
    margin-bottom: 0.25rem;
}

.track-tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    opacity: 0.6;
}

.track-item svg {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.3s ease;
}

.track-item:hover svg {
    opacity: 0.5;
    transform: scale(1);
}

.track-item.active svg {
    opacity: 1;
    transform: scale(1);
}

/* EP Hadeana Section */
.albums-grid {
    grid-template-columns: 1fr;
}

@media (min-width: 992px) {
    .albums-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.album-cover-column {
    padding: 3rem 5%;
    display: flex;
    justify-content: center;
    align-items: center;
}

@media (min-width: 992px) {
    .album-cover-column {
        padding: 5rem 10%;
    }
}

.album-mockup-wrapper {
    width: 320px;
    height: 320px;
    position: relative;
    perspective: 1000px;
}

@media (min-width: 480px) {
    .album-mockup-wrapper {
        width: 380px;
        height: 380px;
    }
}

.album-vinyl-sleeve {
    width: 100%;
    height: 100%;
    position: relative;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    transform-style: preserve-3d;
}

.album-cover-art {
    width: 100%;
    height: 100%;
    background-color: #000000;
    color: #ffffff;
    border: 1px solid #333;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 2;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    display: flex;
    flex-direction: column;
}

.art-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(2, 1fr);
    flex-grow: 1;
}

.art-box {
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: clamp(3rem, 10vw, 5rem);
    color: #ffffff;
    opacity: 0.15;
    transition: opacity 0.5s ease;
    border-color: #222 !important;
}

.album-vinyl-sleeve:hover .art-box {
    opacity: 0.9;
}

.art-title-overlay {
    padding: 1.5rem;
    background-color: #000;
    border-top: 1px solid #222;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-mono);
}

.art-sub {
    font-size: 0.75rem;
    opacity: 0.6;
}

/* Vinyl record inside the sleeve */
.vinyl-record {
    width: 95%;
    height: 95%;
    background: radial-gradient(circle, #333 0%, #111 40%, #000 70%);
    border-radius: 50%;
    position: absolute;
    top: 2.5%;
    left: 2.5%;
    z-index: 1;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), left 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 4px 15px rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Vinyl groves */
.vinyl-record::before {
    content: '';
    position: absolute;
    width: 80%;
    height: 80%;
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}
.vinyl-record::after {
    content: '';
    position: absolute;
    width: 60%;
    height: 60%;
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.vinyl-label {
    width: 30%;
    height: 30%;
    background-color: #fff;
    color: #000;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 0.5rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* Pull out vinyl and spin on hover */
.album-mockup-wrapper:hover .vinyl-record {
    left: 45%;
    transform: rotate(180deg);
    animation: vinyl-spin 5s linear infinite 0.6s;
}

@keyframes vinyl-spin {
    100% { transform: rotate(360deg); }
}

.album-details-column {
    padding: 3rem 5%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

@media (min-width: 992px) {
    .album-details-column {
        padding: 5rem 10%;
    }
}

.subtitle-tag {
    margin-bottom: 2rem;
    opacity: 0.5;
}

.album-track-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-bottom: 3rem;
}

.album-track-list li {
    display: flex;
    justify-content: space-between;
    font-size: 1.15rem;
    border-bottom: 1px solid var(--color-border-light);
    padding-bottom: 0.5rem;
}

.track-duration {
    font-family: var(--font-mono);
    opacity: 0.6;
}

.streaming-block {
    padding-top: 2rem;
}

.block-title {
    margin-bottom: 1.5rem;
    opacity: 0.6;
}

.streaming-links {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

@media (min-width: 481px) {
    .streaming-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

.stream-btn {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    border: 1px solid var(--color-border-light);
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 0.85rem;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.stream-btn:hover {
    background-color: #000;
    color: #fff;
    border-color: #000;
}

.stream-btn svg {
    opacity: 0;
    transform: translate(-3px, 3px);
    transition: all 0.3s ease;
}

.stream-btn:hover svg {
    opacity: 1;
    transform: translate(0, 0);
}

/* Literatura Section */
.book-grid {
    grid-template-columns: 1fr;
}

@media (min-width: 992px) {
    .book-grid {
        grid-template-columns: 0.9fr 1.1fr;
    }
}

.book-mockup-column {
    padding: 3rem 5%;
    display: flex;
    justify-content: center;
    align-items: center;
}

@media (min-width: 992px) {
    .book-mockup-column {
        padding: 5rem 10%;
    }
}

.book-container-3d {
    width: 250px;
    height: 380px;
    perspective: 1200px;
}

.book-3d {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    transform: rotateY(-15deg);
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.book-container-3d:hover .book-3d {
    transform: rotateY(-30deg) rotateX(5deg);
}

.book-cover-front {
    width: 100%;
    height: 100%;
    background-color: #ffffff;
    color: #000000;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 2;
    transform: translateZ(12px);
    box-shadow: 10px 10px 30px rgba(0,0,0,0.5);
    border-radius: 2px 4px 4px 2px;
    overflow: hidden;
}

/* 3D shadow spine effect */
.book-spine-effect {
    position: absolute;
    top: 0;
    left: 0;
    width: 15px;
    height: 100%;
    background: linear-gradient(to right, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.02) 80%, rgba(255,255,255,0.1) 100%);
}

.book-cover-content {
    padding: 2.5rem 1.5rem;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border: 1px solid var(--color-border-light);
}

.book-header-mono {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-align: center;
    border-bottom: 1px solid #ddd;
    padding-bottom: 0.5rem;
}

.book-main-title {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    margin: 2rem 0;
}

.book-main-title span {
    font-weight: 700;
    text-transform: uppercase;
    line-height: 0.85;
}

.word-o {
    font-size: 1.5rem;
}
.word-alivio {
    font-size: 2.8rem;
    letter-spacing: -0.05em;
}
.word-turbulento {
    font-size: 2rem;
    letter-spacing: -0.02em;
}
.text-stroke {
    -webkit-text-stroke: 1px #000;
    color: transparent;
}
.word-das {
    font-size: 1.2rem;
}
.word-palavras {
    font-size: 2.6rem;
    letter-spacing: -0.05em;
}

.book-divider-line {
    height: 4px;
    background-color: #000;
    width: 40px;
    margin: 0 auto;
}

.book-sub-title {
    font-size: 0.65rem;
    font-family: var(--font-mono);
    font-weight: 700;
    line-height: 1.4;
    text-align: center;
    color: #555;
    margin-top: 1rem;
}

.book-footer-label {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.1em;
    text-align: center;
    opacity: 0.6;
}

/* Spine of the book */
.book-spine {
    width: 24px;
    height: 100%;
    background-color: #eaeaea;
    color: #000;
    position: absolute;
    top: 0;
    left: -12px;
    transform: rotateY(-90deg) translateZ(0);
    transform-origin: right center;
    border: 1px solid #dcdcdc;
    display: flex;
    align-items: center;
    justify-content: center;
}

.spine-text {
    font-family: var(--font-mono);
    font-size: 0.55rem;
    font-weight: 700;
    white-space: nowrap;
    transform: rotate(-90deg);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Pages shadow of the book */
.book-pages {
    width: 100%;
    height: calc(100% - 4px);
    background-color: #fcfcfc;
    position: absolute;
    top: 2px;
    left: 0;
    z-index: 1;
    transform: translateZ(0) rotateY(0deg);
    border-radius: 0 4px 4px 0;
    box-shadow: inset -5px 0 10px rgba(0,0,0,0.08), 5px 5px 15px rgba(0,0,0,0.1);
}

.book-info-column {
    padding: 3rem 5%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

@media (min-width: 992px) {
    .book-info-column {
        padding: 5rem 10%;
    }
}

.book-quote {
    font-style: italic;
    font-size: 1.35rem;
    line-height: 1.5;
    border-left: 2px solid var(--color-text-dark);
    padding-left: 1.5rem;
    margin-bottom: 2rem;
    color: var(--color-text-muted-dark);
}

.book-synopsis {
    margin-bottom: 3rem;
}

.book-buy-block {
    padding-top: 2rem;
    border-color: var(--color-border-dark) !important;
}

.buy-links {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: flex-start;
}

@media (min-width: 768px) {
    .buy-links {
        flex-direction: row;
        align-items: center;
    }
}

.flex-btn {
    gap: 0.5rem;
}

.buy-note {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--color-text-muted-dark);
}

/* Social & Contact Section */
.contact-grid {
    grid-template-columns: 1fr;
}

@media (min-width: 992px) {
    .contact-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.contact-info-col {
    padding: 3rem 5%;
}

@media (min-width: 992px) {
    .contact-info-col {
        padding: 5rem 10%;
    }
}

.social-channels {
    margin-top: 3rem;
    padding-top: 2rem;
}

.channel-title {
    margin-bottom: 1.5rem;
    opacity: 0.6;
}

.social-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.social-link-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem;
    border: 1px solid var(--color-border-light);
    font-weight: 700;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.social-link-item:hover {
    background-color: #000;
    color: #fff;
    border-color: #000;
}

.social-arrow {
    transition: transform 0.3s ease;
}

.social-link-item:hover .social-arrow {
    transform: translate(3px, -3px);
}

.contact-form-col {
    padding: 3rem 5%;
}

@media (min-width: 992px) {
    .contact-form-col {
        padding: 5rem 10%;
    }
}

.form-title {
    margin-bottom: 2rem;
    opacity: 0.6;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding-bottom: 1rem;
}

.form-label {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
    opacity: 0.5;
}

.form-input {
    background: transparent;
    border: none;
    font-family: var(--font-sans);
    font-size: 1.15rem;
    color: inherit;
    padding: 0.5rem 0;
    width: 100%;
}

.form-input:focus {
    outline: none;
}

select.form-input {
    cursor: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="m6 9 6 6 6-6"/></svg>');
    background-repeat: no-repeat;
    background-position: right center;
}

.dark-bg select.form-input {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="white" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="m6 9 6 6 6-6"/></svg>');
}

.form-input::placeholder {
    color: #999;
    opacity: 0.6;
}

.submit-btn {
    align-self: flex-start;
    border: 1px solid #000;
}

/* Footer */
.footer {
    padding: 3rem 5%;
}

@media (min-width: 768px) {
    .footer {
        padding: 4rem 10%;
    }
}

.footer-container {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    opacity: 0.6;
}

@media (min-width: 768px) {
    .footer-container {
        flex-direction: row;
    }
}

.inline-link {
    font-weight: 700;
    text-decoration: underline;
}

/* Audio Visualizer Screen */
.audio-visualizer-screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #050505;
    color: #ffffff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 5;
    text-align: center;
    padding: 2rem;
    box-sizing: border-box;
}

.audio-visualizer-screen.hidden {
    display: none;
}

.visualizer-waves {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 5px;
    height: 80px;
    margin-bottom: 2rem;
}

.wave-bar {
    width: 5px;
    background-color: #ffffff;
    height: 15%;
    animation: visualizer-bounce 0.8s ease-in-out infinite alternate;
}

/* Add different animation delays for organic feel */
.wave-bar:nth-child(2) { animation-delay: 0.1s; animation-duration: 0.6s; }
.wave-bar:nth-child(3) { animation-delay: 0.25s; animation-duration: 0.9s; }
.wave-bar:nth-child(4) { animation-delay: 0.05s; animation-duration: 0.7s; }
.wave-bar:nth-child(5) { animation-delay: 0.3s; animation-duration: 0.5s; }
.wave-bar:nth-child(6) { animation-delay: 0.15s; animation-duration: 0.8s; }
.wave-bar:nth-child(7) { animation-delay: 0.4s; animation-duration: 0.6s; }
.wave-bar:nth-child(8) { animation-delay: 0.2s; animation-duration: 0.7s; }
.wave-bar:nth-child(9) { animation-delay: 0.35s; animation-duration: 0.9s; }
.wave-bar:nth-child(10) { animation-delay: 0.1s; animation-duration: 0.6s; }
.wave-bar:nth-child(11) { animation-delay: 0.25s; animation-duration: 0.8s; }
.wave-bar:nth-child(12) { animation-delay: 0.05s; animation-duration: 0.5s; }
.wave-bar:nth-child(13) { animation-delay: 0.3s; animation-duration: 0.7s; }
.wave-bar:nth-child(14) { animation-delay: 0.15s; animation-duration: 0.9s; }
.wave-bar:nth-child(15) { animation-delay: 0.4s; animation-duration: 0.6s; }

@keyframes visualizer-bounce {
    0% {
        height: 15%;
    }
    100% {
        height: 100%;
    }
}

.visualizer-details {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.visualizer-tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    opacity: 0.6;
    text-transform: uppercase;
}

.visualizer-song {
    font-size: clamp(1.5rem, 4vw, 2.25rem);
    font-weight: 700;
    margin: 0.25rem 0;
    letter-spacing: -0.02em;
}

.visualizer-composer {
    font-size: 0.95rem;
    color: var(--color-text-muted-dark);
}

/* Spotify Embed custom responsive wrapper */
.spotify-embed-container {
    border-color: var(--color-border-light) !important;
    padding: 1.5rem;
    background-color: #fcfcfc;
}

.dark-bg .spotify-embed-container {
    border-color: var(--color-border-dark) !important;
    background-color: #121212;
}

.spotify-player-screen.hidden {
    display: none !important;
}