/* ============================================
   CSS Variables — Flat colors, no gradients
   ============================================ */
:root {
    --bg: #f0efeb;
    --bg-dark: #d3dcdf;
    --shelf-top: #C4A265;
    --shelf-front: #A88B4A;
    --book-1: #fcfcfb;
    --book-2: #8B4513;
    --book-3: #1a5c3a;
    --book-4: #6B3A5D;
    --text-dark: #2c2c2c;
    --text-medium: #5a5a5a;
    --text-light: #faf3e8;
    --modal-bg: #ffffff;
    --overlay: rgba(30, 25, 20, 0.55);
    --accent: #dee8ee;
    --accent-dark: #9aaab3;
    --font-serif: 'Playfair Display', Georgia, serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 40px;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
}

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

html,
body {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg);
    color: var(--text-dark);
    -webkit-font-smoothing: antialiased;
}

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

ul {
    padding-left: var(--space-lg);
    margin-bottom: var(--space-md);
}

li {
    margin-bottom: var(--space-sm);
    line-height: 1.6;
    color: var(--text-medium);
}

.anchor-target {
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 0;
    visibility: hidden;
}

/* ============================================
   Page Content
   ============================================ */
.page-content {
    width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    transition: filter var(--transition-normal);
    position: relative;
    overflow: hidden;
}

body:has(.modal-overlay:target) .page-content {
    filter: blur(8px) brightness(0.65);
    pointer-events: none;
}

/* ============================================
   Top Navigation
   ============================================ */
.top-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 28px 0 0;
    position: relative;
    z-index: 10;
}

.nav-tab {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 32px;
    min-width: 160px;
    border-radius: 6px;
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.3px;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.nav-tab--active {
    background: var(--text-dark);
    color: #fff;
}

.nav-tab--active:hover {
    background: #1a1a1a;
}

.nav-tab--outline {
    background: transparent;
    color: var(--text-dark);
    border: 1.5px solid var(--text-medium);
}

.nav-tab--outline:hover {
    border-color: var(--text-dark);
    background: rgba(0, 0, 0, 0.03);
}

/* ============================================
   Bookshelf Scene
   ============================================ */
.bookshelf-scene {
    display: flex;
    flex-direction: column;
    flex: 1;
    position: relative;
    z-index: 1;
    justify-content: flex-end;
}

/* ============================================
   Scene Decoration
   ============================================ */
.scene-decoration {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.floating-particle {
    position: absolute;
    border-radius: 50%;
    background: var(--accent);
    opacity: 0.12;
    animation: particleFloat 10s ease-in-out infinite;
}

.p1 {
    width: 10px;
    height: 10px;
    top: 12%;
    left: 8%;
    animation-delay: 0s;
}

.p2 {
    width: 6px;
    height: 6px;
    top: 65%;
    right: 12%;
    animation-delay: 2s;
}

.p3 {
    width: 8px;
    height: 8px;
    top: 30%;
    right: 25%;
    animation-delay: 4s;
}

.p4 {
    width: 5px;
    height: 5px;
    bottom: 20%;
    left: 20%;
    animation-delay: 6s;
}

.p5 {
    width: 7px;
    height: 7px;
    top: 50%;
    left: 70%;
    animation-delay: 8s;
}

@keyframes particleFloat {
    0%, 100% {
        transform: translateY(0) translateX(0);
        opacity: 0.12;
    }
    25% {
        transform: translateY(-25px) translateX(12px);
        opacity: 0.22;
    }
    50% {
        transform: translateY(-8px) translateX(-8px);
        opacity: 0.08;
    }
    75% {
        transform: translateY(-30px) translateX(18px);
        opacity: 0.18;
    }
}

/* ============================================
   Hero Area — Title left, Books right
   ============================================ */
.hero-area {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 60px;
    padding: 0 80px;
    position: relative;
    z-index: 2;
    margin-bottom: -2px;
}

.cta-area {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding-bottom: 20px;
    flex-shrink: 0;
}

/* ============================================
   Shelf Container — Full Width Glass
   ============================================ */
.shelf-container {
    position: relative;
    width: 100%;
}

.shelf-glass {
    width: 100%;
    height: 22px;
    background: linear-gradient(180deg,
            rgba(205, 213, 224, 0.55) 0%,
            rgba(190, 200, 215, 0.40) 50%,
            rgba(180, 192, 210, 0.50) 100%);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid rgba(255, 255, 255, 0.7);
    border-bottom: 1px solid rgba(180, 192, 210, 0.3);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.shelf-glass-highlight {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: linear-gradient(180deg,
            rgba(255, 255, 255, 0.45) 0%,
            rgba(255, 255, 255, 0.05) 100%);
    pointer-events: none;
}

.shelf-shadow {
    width: 100%;
    height: 20px;
    background: linear-gradient(180deg,
            rgba(180, 192, 210, 0.18) 0%,
            rgba(0, 0, 0, 0) 100%);
}

/* ============================================
   Footer Space
   ============================================ */
.footer-space {
    height: 200px;
    flex-shrink: 0;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 28px;
}

.footer-social {
    display: flex;
    gap: 20px;
    align-items: center;
}

.footer-social a {
    color: var(--text-medium);
    font-size: 14px;
    transition: all var(--transition-fast);
    opacity: 0.5;
}

.footer-social a:hover {
    color: var(--accent-dark);
    opacity: 1;
    transform: translateY(-2px);
}

/* ============================================
   Books — Image covers, uniform 2:3 ratio
   ============================================ */
.books-row {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 28px;
    position: relative;
    z-index: 2;
}

.book {
    --book-w: 190px;
    display: flex;
    cursor: pointer;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    position: relative;
    transform-origin: bottom center;
}

.book:hover {
    transform: translateY(-10px);
}

.book:active {
    transform: translateY(-5px);
}

/* Front face — image cover */
.book-front {
    width: var(--book-w);
    aspect-ratio: 2 / 3;
    border-radius: 3px 0 0 3px;
    overflow: hidden;
    box-shadow: 4px 6px 20px rgba(0, 0, 0, 0.25);
}

.book-front img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Side edge — thin strip */
.book-side {
    width: 10px;
    border-radius: 0 3px 3px 0;
    box-shadow: 2px 4px 12px rgba(0, 0, 0, 0.10);
}

.book-side-1 {
    background: #fcfcfb;
}

.book-side-2 {
    background: #fcfcfb;
}

.book-side-3 {
    background: #fcfcfb;
}

.book-side-4 {
    background: #512c46;
}

/* ============================================
   CTA Text — Hierarchical Typography
   ============================================ */
.cta-text {
    font-family: var(--font-serif);
    color: var(--text-dark);
    display: flex;
    flex-direction: column;
    line-height: 1.15;
    margin-bottom: var(--space-lg);
}

.cta-line {
    display: block;
}

.cta-line--light {
    font-size: 52px;
    font-weight: 400;
    font-style: italic;
    color: var(--text-medium);
}

.cta-line--bold {
    font-size: 58px;
    font-weight: 700;
    font-style: normal;
}

.cta-keyword {
    font-size: 66px;
    font-weight: 900;
    font-style: italic;
}

/* CTA Button */
.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 28px;
    background: var(--accent);
    color: var(--text-dark);
    border-radius: 40px;
    font-family: var(--font-sans);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.3px;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.cta-button i {
    font-size: 11px;
    transition: transform var(--transition-fast);
}

.cta-button:hover {
    background: transparent;
    color: var(--accent-dark);
    box-shadow: 0 4px 16px rgba(222, 232, 238, 1);
}

.cta-button:hover i {
    transform: translateX(4px);
}

/* ============================================
   Modal System — Bigger modals
   ============================================ */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--overlay);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.modal-overlay:target {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--modal-bg);
    border-radius: var(--radius-lg);
    position: relative;
    transform: scale(0.9) translateY(20px);
    transition: transform var(--transition-normal);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.25);
    overflow: hidden;
}

/* Modal sizes */
.modal-md {
    width: 92%;
    max-width: 640px;
    max-height: 88vh;
}

.modal-lg {
    width: 92%;
    max-width: 800px;
    max-height: 90vh;
}

.modal-xl {
    width: 94%;
    max-width: 960px;
    max-height: 92vh;
}

.modal-overlay:target .modal-content {
    transform: scale(1) translateY(0);
}

.modal-body {
    padding: var(--space-xl);
    overflow-y: auto;
    max-height: 90vh;
    scrollbar-width: thin;
    scrollbar-color: var(--accent) transparent;
}

.modal-body::-webkit-scrollbar {
    width: 5px;
}

.modal-body::-webkit-scrollbar-track {
    background: transparent;
}

.modal-body::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: 3px;
}

.modal-close {
    position: absolute;
    top: 14px;
    right: 18px;
    font-size: 26px;
    color: var(--text-medium);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all var(--transition-fast);
    z-index: 10;
    background: var(--accent);
    line-height: 1;
}

.modal-close:hover {
    background: var(--accent-dark);
    color: var(--text-dark);
    transform: rotate(90deg);
}

.modal-back {
    position: absolute;
    top: 20px;
    left: 24px;
    font-size: 13px;
    color: var(--text-medium);
    display: flex;
    align-items: center;
    gap: 6px;
    z-index: 10;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.modal-back:hover {
    color: var(--accent-dark);
}

.modal-body h2 {
    font-family: var(--font-sans);
    font-size: 28px;
    margin-bottom: var(--space-sm);
    color: var(--text-dark);
}

.modal-body h2 i {
    color: var(--accent-dark);
    margin-right: 6px;
    font-size: 22px;
}

.modal-body h3 {
    font-family: var(--font-sans);
    font-size: 17px;
    margin-top: var(--space-lg);
    margin-bottom: var(--space-md);
    color: var(--text-dark);
}

.modal-body h3 i {
    color: var(--accent-dark);
    font-size: 15px;
    margin-right: 6px;
}

.modal-body p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-medium);
}

.modal-subtitle {
    color: var(--text-medium);
    font-size: 14px;
    margin-bottom: var(--space-lg);
}

/* ============================================
   About Me
   ============================================ */
.about-header {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid rgba(0, 0, 0, 0.07);
}

.about-avatar {
    width: 76px;
    height: 76px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    box-shadow: 0 4px 16px rgba(44, 62, 80, 0.3);
}

.about-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.about-intro h2 {
    margin-bottom: 2px;
}

.about-title {
    font-size: 14px !important;
    color: var(--accent-dark) !important;
    font-weight: 500;
    margin-bottom: 4px;
}

.about-location {
    font-size: 13px !important;
    color: var(--text-medium) !important;
}

.about-location i {
    color: var(--accent-dark);
    margin-right: 4px;
}

.about-bio {
    margin-bottom: var(--space-lg);
}

.about-section {
    margin-bottom: var(--space-lg);
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: var(--space-lg);
    border-left: 2px solid rgba(222, 232, 238, 1);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-sm);
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: calc(-1 * var(--space-lg) - 5px);
    top: 6px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    border: 2px solid var(--modal-bg);
}

.timeline-date {
    font-size: 12px;
    color: var(--accent-dark);
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.timeline-item h4 {
    font-size: 15px;
    margin: 4px 0 2px;
    color: var(--text-dark);
}

.timeline-separator {
    color: var(--accent-dark);
    font-weight: 300;
    margin: 0 2px;
}

.timeline-company-inline {
    font-weight: 400;
    color: var(--text-medium);
}

.timeline-item ul {
    padding-left: var(--space-lg);
    margin: 6px 0 4px;
}

.timeline-item li {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-medium);
    margin-bottom: 2px;
}

/* Achievement badge */
.timeline-achievement {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin-top: var(--space-sm);
    padding: 10px 14px;
    background: linear-gradient(135deg, rgba(222, 232, 238, 0.4), rgba(222, 232, 238, 0.15));
    border-left: 3px solid var(--accent-dark);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-medium);
}

.timeline-achievement i {
    color: #daa520;
    font-size: 14px;
    margin-top: 3px;
    flex-shrink: 0;
}

/* Skills — Card layout */
.skills-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.skill-card {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px;
    background: var(--accent);
    border-radius: var(--radius-md);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.skill-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.skill-card-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--text-medium);
    font-size: 15px;
}

.skill-card-content h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 2px;
}

.skill-card-content p {
    font-size: 12px !important;
    line-height: 1.5 !important;
    color: var(--text-medium) !important;
}

/* Social */
.social-links {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.social-link {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-medium);
    font-size: 16px;
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--bg);
    color: var(--text-medium);
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(196, 162, 101, 0.35);
}

/* ============================================
   Library / Projects — Card with thumbnails
   ============================================ */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.project-card {
    display: block;
    background: rgba(205, 213, 224, 0.35);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    border-color: var(--accent);
}

.project-thumb {
    width: 100%;
    height: 140px;
    overflow: hidden;
}

.project-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-fast);
}

.project-card:hover .project-thumb img {
    transform: scale(1.05);
}

.project-info {
    padding: var(--space-md);
}

.project-info h4 {
    font-size: 14px;
    margin-bottom: var(--space-xs);
    color: var(--text-dark);
}

.project-info p {
    font-size: 12px;
    margin-bottom: var(--space-sm);
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.project-tags span {
    font-size: 11px;
    padding: 3px 10px;
    background: var(--accent-dark);
    color: var(--bg);
    border-radius: 20px;
    font-weight: 500;
}

/* ============================================
   Project Detail — Behance-style
   ============================================ */
.project-detail-body {
    padding: 0 !important;
}

.project-hero {
    width: 100%;
    height: 340px;
    overflow: hidden;
}

.project-hero img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-detail-content {
    padding: var(--space-xl);
}

.project-meta {
    display: flex;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.project-meta span {
    font-size: 13px;
    color: var(--text-medium);
    display: flex;
    align-items: center;
    gap: 6px;
}

.project-meta i {
    color: var(--accent-dark);
}

/* Results stat cards */
.results-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
    margin: var(--space-lg) 0;
}

.result-card {
    background: var(--bg);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    text-align: center;
}

.result-number {
    display: block;
    font-family: var(--font-sans);
    font-size: 22px;
    font-weight: 700;
    color: var(--accent-dark);
    margin-bottom: 4px;
}

.result-label {
    font-size: 11px;
    color: var(--text-medium);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ============================================
   Contact
   ============================================ */
.contact-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: linear-gradient(180deg, rgba(205, 213, 224, 0.45) 0%, rgba(190, 200, 215, 0.30) 100%);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-md);
    transition: transform var(--transition-fast);
}

.contact-item:hover {
    transform: translateX(6px);
}

.contact-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--accent-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 14px;
    color: var(--text-dark);
    margin-bottom: 2px;
}

.contact-item p {
    font-size: 13px;
}

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

.contact-social h3 {
    margin-bottom: var(--space-md);
}

.contact-social .social-links {
    justify-content: center;
}

/* ============================================
   Coming Soon
   ============================================ */
.coming-soon-body {
    text-align: center;
}

.coming-soon-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
    animation: rocketBounce 2.5s ease-in-out infinite;
}

.coming-soon-icon i {
    font-size: 32px;
    color: black;
}

@keyframes rocketBounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

.coming-soon-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    margin: var(--space-xl) 0;
}

.feature-item {
    padding: var(--space-lg) var(--space-md);
    background: var(--accent);
    border-radius: var(--radius-md);
}

.feature-item i {
    font-size: 24px;
    color: var(--accent-dark);
    margin-bottom: var(--space-sm);
}

.feature-item h4 {
    font-size: 14px;
    color: var(--text-dark);
    margin-bottom: var(--space-xs);
}

.feature-item p {
    font-size: 12px;
}

.coming-soon-text {
    font-family: var(--font-sans);
    font-style: italic;
    font-size: 16px !important;
    color: var(--accent-dark) !important;
    margin-top: var(--space-md);
}

/* ============================================
   Mobile CTA — Hidden on desktop
   ============================================ */
.cta-button-mobile {
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.cta-arrow-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: none;
    background: var(--accent);
    color: var(--text-medium);
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    animation: bounceArrow 2s ease-in-out infinite;
}

.cta-arrow-btn:hover {
    background: var(--accent-dark);
    color: white;
}

.cta-mobile-text {
    font-family: var(--font-sans);
    font-size: 14px;
    color: var(--text-medium);
    font-weight: 400;
}

@keyframes bounceArrow {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(6px); }
}

/* Mobile books container — Hidden on desktop */
.mobile-books-container {
    display: none;
}

/* ============================================
   Responsive — Tablet
   ============================================ */
@media (max-width: 1024px) {
    .hero-area {
        gap: 40px;
        padding: 0 40px;
    }

    .cta-line--light {
        font-size: 34px;
    }

    .cta-line--bold {
        font-size: 38px;
    }

    .cta-keyword {
        font-size: 44px;
    }

    .book {
        --book-w: 130px;
    }
}

/* ============================================
   Responsive — Mobile (≤768px)
   ============================================ */
@media (max-width: 768px) {
    /* Enable scrolling */
    html, body {
        overflow: visible;
        height: auto;
    }

    /* Main layout: enable scroll-snap */
    .page-content {
        height: auto;
        overflow: visible;
        scroll-snap-type: y mandatory;
    }

    /* Hero section — compact to show book 1 on load */
    .bookshelf-scene {
        min-height: auto;
        height: auto;
        justify-content: flex-start;
        padding-top: 20px;
        padding-bottom: 20px;
        scroll-snap-align: start;
    }

    .hero-area {
        flex-direction: column;
        align-items: center;
        gap: 32px;
        padding: 0 28px;
        margin-bottom: 0;
    }

    .cta-area {
        align-items: center;
        text-align: center;
        padding-bottom: 0;
    }

    .cta-line--light {
        font-size: 44px;
    }

    .cta-line--bold {
        font-size: 52px;
    }

    .cta-keyword {
        font-size: 60px;
    }

    .cta-mobile-text {
        font-size: 16px;
    }

    /* Hide desktop elements */
    .cta-button-desktop {
        display: none;
    }

    .books-row-desktop {
        display: none;
    }

    .shelf-container {
        display: none;
    }

    .footer-space {
        display: none;
    }

    /* Show mobile CTA */
    .cta-button-mobile {
        display: flex;
    }

    /* Show mobile books container */
    .mobile-books-container {
        display: block;
        padding-bottom: 120px;
    }

    /* Book snap sections — use svh to prevent layout shift from toolbar */
    .book-snap-section {
        min-height: 45svh;
        display: flex;
        align-items: center;
        justify-content: center;
        scroll-snap-align: center;
    }

    .book-mobile {
        --book-w: 240px;
        transform-origin: center center;
    }

    .book-mobile:hover {
        transform: translateY(-8px);
    }

    /* Modal adjustments */
    .modal-content {
        border-radius: var(--radius-md);
    }

    .modal-md,
    .modal-lg,
    .modal-xl {
        width: 96%;
        max-width: none;
        max-height: 85svh;
    }

    .modal-body {
        padding: var(--space-lg);
        max-height: 85svh;
    }

    .modal-body h2 {
        font-size: 22px;
    }

    .about-header {
        flex-direction: column;
        text-align: center;
    }

    .skills-list {
        grid-template-columns: 1fr;
    }

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

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

    .coming-soon-features {
        grid-template-columns: 1fr;
    }

    .project-meta {
        flex-direction: column;
        gap: var(--space-sm);
    }

    .project-hero {
        height: 200px;
    }

    .modal-back {
        top: 16px;
        left: 16px;
        font-size: 12px;
    }
}

/* ============================================
   Responsive — Small Mobile (≤480px)
   ============================================ */
@media (max-width: 480px) {
    .cta-line--light {
        font-size: 30px;
    }

    .cta-line--bold {
        font-size: 36px;
    }

    .cta-keyword {
        font-size: 42px;
    }

    .book-mobile {
        --book-w: 200px;
    }

    .modal-body {
        padding: var(--space-md);
    }

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

    .social-links {
        justify-content: center;
    }

    .project-hero {
        height: 160px;
    }
}