/* ===================================
   DRUMR WEBSITE STYLES
   Modern, fast, SEO-optimized
   =================================== */

/* ===================================
   VARIABLES
   =================================== */
:root {
    --color-bg: #000000;
    --color-bg-secondary: #0a0a0a;
    --color-bg-card: rgba(17, 17, 17, 0.9);
    --color-text: #ffffff;
    --color-text-secondary: #a0a0a0;
    --color-accent: #007AFF;
    --color-accent-hover: #0051d5;
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --max-width: 1200px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

/* ===================================
   RESET & BASE
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
}

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

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

.text-link {
    color: var(--color-accent) !important;
    text-decoration: underline !important;
}

.text-link:hover {
    color: var(--color-accent-hover) !important;
}

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

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

/* ===================================
   HEADER
   =================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo img {
    height: 40px;
    width: auto;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.main-nav a {
    color: var(--color-text);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
}

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

.main-nav a.active {
    color: var(--color-accent);
}

.main-nav a.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-accent);
    box-shadow: 0 0 8px var(--color-accent), 0 0 16px var(--color-accent);
    border-radius: 1px;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 5px;
    z-index: 1001;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ===================================
   BUTTONS & CTAs
   =================================== */
.cta-button {
    display: inline-block;
    background: var(--color-accent);
    color: var(--color-text);
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
}

.cta-button-large {
    padding: 0;
    background: transparent;
}

.cta-button-large:hover {
    transform: translateY(-4px);
}

.app-store-badge {
    height: 60px;
    width: auto;
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: calc(var(--spacing-xl) + 60px);
    position: relative;
    background-image: url('../images/hero-background.webp');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.3) 0%,
        rgba(0, 0, 0, 0.5) 100%
    );
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 2;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content {
    animation: fadeInUp 0.8s ease-out;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.hero-app-icon {
    width: 160px;
    height: 160px;
    margin: 0 auto var(--spacing-md) auto;
    border-radius: 22%;
    box-shadow: 0 10px 30px rgba(0, 122, 255, 0.3);
    animation: icon-glow 3s ease-in-out infinite;
}

@keyframes icon-glow {
    0%, 100% { box-shadow: 0 10px 30px rgba(0, 122, 255, 0.3); }
    50% { box-shadow: 0 10px 50px rgba(0, 122, 255, 0.5); }
}

.hero-title {
    font-size: clamp(2rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, #ffffff 0%, #a0a0a0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: nowrap;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.hero-cta {
    margin-bottom: var(--spacing-lg);
}

.hero-image {
    margin-top: var(--spacing-lg);
    display: flex;
    justify-content: center;
}

.hero-image img {
    max-width: 700px;
    width: 100%;
    height: auto;
}

/* ===================================
   VIDEO SECTION
   =================================== */
.video-section {
    background: var(--color-bg-secondary);
}

.video-section h2 {
    text-align: center;
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: var(--spacing-lg);
    font-weight: 700;
}

.video-scroll {
    display: flex;
    flex-wrap: nowrap;
    width: 100%;
    gap: var(--spacing-md);
    overflow-x: scroll;
    overflow-y: hidden;
    padding: var(--spacing-sm) max(var(--spacing-md), calc((100vw - var(--max-width)) / 2 + var(--spacing-md)));
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--color-accent) var(--color-bg-card);
}

.video-scroll::-webkit-scrollbar {
    height: 8px;
}

.video-scroll::-webkit-scrollbar-track {
    background: var(--color-bg-card);
    border-radius: 4px;
}

.video-scroll::-webkit-scrollbar-thumb {
    background: var(--color-accent);
    border-radius: 4px;
}

.video-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    gap: var(--spacing-sm);
}

.video-title {
    font-size: 1.25rem;
    font-weight: 600;
    text-align: center;
    margin: 0;
    min-height: 3em;
    display: flex;
    align-items: flex-end;
    justify-content: center;
}

.video-container {
    position: relative;
    height: 500px;
    flex: 0 0 281px;
    background: var(--color-bg-card);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.video-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    max-width: var(--max-width);
    margin: 0 auto;
}

.video-grid .video-container {
    width: 100%;
    height: auto;
    aspect-ratio: 9 / 16;
    flex: initial;
}

@media (min-width: 480px) {
    .video-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .video-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .video-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

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

/* ===================================
   FEATURES SECTION
   =================================== */
.features {
    background: var(--color-bg);
}

.features h2 {
    text-align: center;
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: var(--spacing-lg);
    font-weight: 700;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.feature-card {
    background: var(--color-bg-card);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.feature-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.feature-card h3 {
    font-size: 1.4rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.feature-card p {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ===================================
   CONTENT SECTION
   =================================== */
.content-section {
    background: var(--color-bg-secondary);
}

.content-section h2 {
    text-align: center;
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: var(--spacing-lg);
    font-weight: 700;
}

.library-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.library-card {
    background: var(--color-bg-card);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.library-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-5px);
}

.library-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.library-card p {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.creators {
    background: var(--color-bg-card);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
    margin-bottom: var(--spacing-md);
}

.creators-heading,
.drummer-types-heading {
    margin-top: var(--spacing-xl);
}

.creators-heading {
    margin-top: 0;
}

.creators-heading h2,
.drummer-types-heading h2 {
    margin-bottom: var(--spacing-sm);
}

.creators-heading .section-intro,
.drummer-types-heading .section-intro {
    margin-bottom: var(--spacing-md);
}

.creators-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    max-width: 1000px;
    margin: 0 auto;
}

.creator-item {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
}

.creator-headshot {
    width: 60px;
    height: 60px;
    min-width: 60px;
    min-height: 60px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    border: 2px solid rgba(255, 255, 255, 0.1);
}

.creator-headshot-placeholder {
    background: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--color-text-secondary);
}

.creator-info {
    flex: 1;
    min-width: 0;
}

.creator-info strong {
    display: block;
    color: var(--color-text);
    font-size: 1rem;
    margin-bottom: 0.25rem;
    font-weight: 600;
}

.creator-info p {
    color: var(--color-text-secondary);
    font-size: 0.85rem;
    line-height: 1.4;
    margin: 0;
}

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

    .creator-headshot {
        width: 50px;
        height: 50px;
        min-width: 50px;
        min-height: 50px;
    }

    .creator-info strong {
        font-size: 0.95rem;
    }

    .creator-info p {
        font-size: 0.8rem;
    }
}

.featured-artists {
    background: var(--color-bg-card);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.featured-artists h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
    text-align: center;
}

.featured-list {
    list-style: none;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0;
    column-count: 4;
    column-fill: balance;
    column-gap: var(--spacing-lg);
}

@media (max-width: 900px) {
    .featured-list {
        column-count: 2;
        max-width: 600px;
    }
}

@media (max-width: 480px) {
    .featured-list {
        column-count: 1;
    }
}

.featured-list li {
    break-inside: avoid;
    padding: var(--spacing-xs) 0;
    color: var(--color-text-secondary);
    line-height: 1.7;
    text-align: center;
}

/* Browse Scores */
.browse-scores {
    margin-top: var(--spacing-lg);
    background: var(--color-bg-card);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.browse-scores h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
    text-align: center;
}

.browse-description {
    text-align: center;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    font-size: 0.95rem;
    line-height: 1.6;
}

.library-category {
    margin-bottom: var(--spacing-sm);
}

.library-category-header {
    width: 100%;
    background: var(--color-bg);
    color: var(--color-text);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.library-category-header:hover {
    background: var(--color-bg-secondary);
    border-color: var(--color-accent);
}

.toggle-icon {
    font-size: 1.5rem;
    font-weight: 300;
    transition: transform 0.3s ease;
}

.library-category-header.active .toggle-icon {
    transform: rotate(45deg);
}

.library-category-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.library-category-content.active {
    max-height: 10000px;
    transition: max-height 1s ease;
}

.library-list {
    list-style: none;
    padding: var(--spacing-sm) var(--spacing-md);
    columns: 2;
    column-gap: var(--spacing-md);
}

.library-list li {
    color: var(--color-text-secondary);
    padding: 0.25rem 0;
    font-size: 0.95rem;
    line-height: 1.6;
    break-inside: avoid;
}

.score-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.score-link:hover {
    color: var(--color-accent);
    text-decoration: underline;
}

@media (max-width: 768px) {
    .library-list {
        columns: 1;
    }
}

/* ===================================
   SCREENSHOTS SECTION
   =================================== */
.screenshots {
    background: var(--color-bg);
}

.screenshots .container {
    max-width: 100%;
    padding: 0;
}

.screenshots h2 {
    text-align: center;
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: var(--spacing-lg);
    font-weight: 700;
    padding: 0 var(--spacing-md);
}

.device-label {
    font-size: 1.5rem;
    margin: var(--spacing-lg) 0 var(--spacing-md) 0;
    font-weight: 600;
    text-align: center;
    color: var(--color-text-secondary);
    padding: 0 var(--spacing-md);
}

.screenshot-scroll {
    display: flex;
    gap: var(--spacing-sm);
    overflow-x: auto;
    padding: var(--spacing-sm) var(--spacing-md);
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--color-accent) var(--color-bg-card);
}

.screenshot-scroll::-webkit-scrollbar {
    height: 8px;
}

.screenshot-scroll::-webkit-scrollbar-track {
    background: var(--color-bg-card);
    border-radius: 4px;
}

.screenshot-scroll::-webkit-scrollbar-thumb {
    background: var(--color-accent);
    border-radius: 4px;
}

.screenshot-scroll img {
    max-height: 380px;
    width: auto;
    height: auto;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
}

.screenshot-scroll img:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 40px rgba(0, 122, 255, 0.4);
}

/* ===================================
   MODAL / LIGHTBOX
   =================================== */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
}

.modal-content {
    max-width: 90%;
    max-height: 90vh;
    margin: 5vh auto;
    display: block;
    border-radius: var(--border-radius);
}

.close {
    position: absolute;
    top: 20px;
    right: 40px;
    color: #fff;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
    z-index: 2001;
}

.close:hover {
    color: var(--color-accent);
}

.nav-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 3rem;
    color: white;
    cursor: pointer;
    padding: 0 20px;
    user-select: none;
    z-index: 2001;
    transition: var(--transition);
}

.nav-arrow:hover {
    color: var(--color-accent);
}

.nav-arrow.left {
    left: 20px;
}

.nav-arrow.right {
    right: 20px;
}

/* ===================================
   TESTIMONIALS SECTION
   =================================== */
.testimonials {
    background: var(--color-bg-secondary);
}

.testimonials h2 {
    text-align: center;
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: var(--spacing-lg);
    font-weight: 700;
}

.testimonials-marquee {
    overflow: hidden;
    position: relative;
    width: 100%;
    padding: var(--spacing-sm) 0;
    mask-image: linear-gradient(to right, transparent 0, black 5%, black 95%, transparent 100%);
    -webkit-mask-image: linear-gradient(to right, transparent 0, black 5%, black 95%, transparent 100%);
}

.testimonials-track {
    display: flex;
    width: max-content;
    align-items: stretch;
    animation: testimonials-scroll 90s linear infinite;
}

.testimonials-marquee:focus-within .testimonials-track {
    animation-play-state: paused;
}

@media (hover: hover) {
    .testimonials-marquee:hover .testimonials-track {
        animation-play-state: paused;
    }
}

@media (hover: none) {
    .testimonials-marquee {
        overflow-x: auto;
        overflow-y: hidden;
        scroll-snap-type: x mandatory;
        scroll-padding-left: var(--spacing-md);
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .testimonials-marquee::-webkit-scrollbar {
        display: none;
    }

    .testimonials-track {
        animation: none;
        padding: 0 var(--spacing-md);
    }

    .testimonial-card {
        scroll-snap-align: start;
    }

    .testimonial-card[aria-hidden="true"] {
        display: none;
    }
}

@keyframes testimonials-scroll {
    from { transform: translate3d(0, 0, 0); }
    to { transform: translate3d(-50%, 0, 0); }
}

@media (prefers-reduced-motion: reduce) {
    .testimonials-track {
        animation: none;
    }
}

.testimonial-card {
    background: var(--color-bg-card);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
    flex: 0 0 350px;
    width: 350px;
    margin-right: var(--spacing-md);
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.testimonial-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-5px);
}

.testimonial-card * {
    text-align: left !important;
}

.stars {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
}

.testimonial-title {
    color: var(--color-text);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.testimonial-text {
    color: var(--color-text-secondary);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
    font-style: italic;
}

.testimonial-author {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    font-weight: 600;
}

/* ===================================
   DOWNLOAD SECTION
   =================================== */
.download-section {
    background: radial-gradient(ellipse at center, rgba(0, 122, 255, 0.15) 0%, transparent 70%);
    text-align: center;
}

.download-section h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

.download-text {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.download-subtext {
    margin-top: var(--spacing-md);
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

/* ===================================
   FOOTER
   =================================== */
.site-footer {
    background: var(--color-bg-secondary);
    padding: var(--spacing-lg) var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.footer-social {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
    align-items: center;
}

.footer-social a {
    display: block;
    transition: var(--transition);
}

.footer-social a img {
    height: 28px;
    width: auto;
    opacity: 0.7;
    transition: var(--transition);
    filter: invert(1) brightness(0.7);
}

.footer-social a:hover img {
    opacity: 1;
    transform: translateY(-2px);
    filter: invert(1) brightness(1);
}

.footer-copyright {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

/* ===================================
   RESPONSIVE
   =================================== */
@media (max-width: 768px) {
    :root {
        --spacing-lg: 2rem;
        --spacing-xl: 3rem;
    }

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

    .container {
        padding: 0 var(--spacing-sm);
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 250px;
        background: rgba(0, 0, 0, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: flex-start;
        padding: 80px var(--spacing-md) var(--spacing-md);
        gap: var(--spacing-md);
        transition: right 0.3s ease;
        z-index: 1000;
        border-left: 1px solid rgba(255, 255, 255, 0.1);
    }

    .main-nav.active {
        right: 0;
    }

    .main-nav a {
        font-size: 1.1rem;
        width: 100%;
        padding: var(--spacing-sm) 0;
    }

    .main-nav a.cta-button {
        text-align: center;
        margin-top: var(--spacing-md);
    }

    .hero {
        min-height: auto;
        padding-top: calc(var(--spacing-lg) + 60px);
    }

    .hero-title {
        white-space: normal;
        font-size: clamp(2rem, 10vw, 3rem);
    }

    .hero-image img {
        max-width: 90%;
    }

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

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

    .testimonial-card {
        flex: 0 0 85vw;
        width: 85vw;
        max-width: 350px;
    }

    .screenshot-scroll {
        padding: var(--spacing-sm) var(--spacing-sm);
    }

    .screenshot-scroll img {
        max-height: 320px;
    }

    .screenshots h2,
    .device-label {
        padding: 0 var(--spacing-sm);
    }

    .nav-arrow {
        font-size: 2rem;
        padding: 0 10px;
    }

    .nav-arrow.left {
        left: 10px;
    }

    .nav-arrow.right {
        right: 10px;
    }

    .close {
        top: 10px;
        right: 20px;
        font-size: 30px;
    }
}

@media (max-width: 480px) {
    .logo img {
        height: 32px;
    }

    .app-store-badge {
        height: 40px;
    }

    .footer-social {
        gap: var(--spacing-md);
    }

    .footer-social a img {
        height: 24px;
    }
}

/* ===================================
   UTILITY CLASSES
   =================================== */
.text-center {
    text-align: center;
}

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

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

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

/* ===================================
   PROBLEM SECTION
   =================================== */
.problem-section {
    background: var(--color-bg);
    text-align: center;
}

.problem-section h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: var(--spacing-lg);
    font-weight: 700;
}

.problem-text {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.problem-text strong {
    color: var(--color-text);
}

.solution-intro {
    margin-top: var(--spacing-lg);
    font-size: clamp(1.1rem, 2vw, 1.3rem);
}

.solution-intro strong {
    color: var(--color-accent);
}

/* ===================================
   SECTION INTRO (REUSABLE)
   =================================== */
.section-intro {
    text-align: center;
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

/* ===================================
   STAKES SECTION
   =================================== */
.stakes-section {
    background: var(--color-bg-secondary);
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-md);
}

.stakes-section h2 {
    font-size: clamp(1.8rem, 5vw, 2.5rem);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
    color: var(--color-text);
}

.stakes-text {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ===================================
   TRANSFORMATION TEXT (DOWNLOAD)
   =================================== */
.transformation-text {
    font-size: clamp(1.1rem, 2vw, 1.25rem);
    margin-bottom: var(--spacing-md);
}

.transformation-text strong {
    color: var(--color-text);
}

/* ===================================
   PARTNERS PAGE
   =================================== */
.partners-hero {
    background: var(--color-bg-secondary);
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md) var(--spacing-lg);
}

.partners-hero h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
}

.partners-intro {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

.partners-section {
    background: var(--color-bg);
    padding: var(--spacing-lg) var(--spacing-md);
}

.partners-section .container {
    max-width: var(--max-width);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .partners-grid {
        grid-template-columns: 1fr;
        max-width: 600px;
    }
}

.partner-card {
    background: var(--color-bg-card);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
    overflow: hidden;
    transition: var(--transition);
}

.partner-card:hover {
    border-color: var(--color-accent);
}

.partner-media img {
    width: 100%;
    display: block;
}

.partner-video {
    position: relative;
    width: 100%;
    padding-bottom: 177.78%;
    background: #000;
}

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

.partner-info {
    padding: var(--spacing-md);
}

.partner-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.partner-creator {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-sm);
}

.partner-description {
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.partner-purchase {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

.partner-purchase a {
    color: var(--color-accent);
    font-weight: 600;
    transition: var(--transition);
}

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

.partner-link {
    display: inline-block;
    color: var(--color-accent);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
}

.partner-link:hover {
    color: var(--color-accent-hover);
}

.partner-divider {
    border: none;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--color-accent), transparent);
    opacity: 0.4;
}

.partner-scores-heading {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.partner-scores-subtext {
    color: var(--color-text-secondary);
    font-size: 0.85rem;
    margin-bottom: var(--spacing-xs);
}

.partner-scores-list {
    list-style: none;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-secondary);
    line-height: 1.8;
}

/* ===================================
   FAQ PAGE
   =================================== */
.faq-hero {
    background: var(--color-bg-secondary);
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md) var(--spacing-lg);
}

.faq-hero h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
}

.faq-intro {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.faq-search {
    max-width: 500px;
    margin: var(--spacing-md) auto 0;
    position: relative;
}

.faq-search input {
    width: 100%;
    padding: 0.8rem 2.5rem 0.8rem 1rem;
    font-size: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg);
    color: var(--color-text);
    outline: none;
    transition: var(--transition);
}

.faq-search input:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.2);
}

.faq-search input::placeholder {
    color: var(--color-text-secondary);
}

.faq-search-clear {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--color-text-secondary);
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    padding: 0.25rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.faq-search-clear.visible {
    opacity: 1;
    visibility: visible;
}

.faq-search-clear:hover {
    color: var(--color-text);
}

.faq-no-results {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--color-text-secondary);
    display: none;
}

.faq-controls {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.faq-controls button {
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

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

.faq-content {
    background: var(--color-bg);
    padding: var(--spacing-lg) var(--spacing-md);
}

.faq-content .container {
    max-width: 800px;
}

.faq-accordions {
    margin-bottom: var(--spacing-lg);
}

/* Category accordion */
.faq-category {
    margin-bottom: var(--spacing-sm);
}

.faq-category.hidden {
    display: none;
}

.faq-category-header {
    width: 100%;
    background: transparent;
    border: none;
    border-left: 3px solid var(--color-accent);
    border-radius: 0;
    padding: 1rem 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-accent);
    transition: var(--transition);
}

.faq-category-header:hover {
    background: rgba(0, 122, 255, 0.08);
}

.faq-category-header .toggle-icon {
    font-size: 1.75rem;
    font-weight: 400;
    transition: transform 0.3s ease;
}

.faq-category-header.active .toggle-icon {
    transform: rotate(90deg);
}

.faq-category-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: transparent;
}

.faq-category-content.active {
    max-height: 5000px;
    transition: max-height 0.5s ease;
}

/* Individual FAQ item accordion */
.faq-item {
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg-secondary);
}

.faq-item.hidden {
    display: none;
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-question {
    width: 100%;
    background: transparent;
    border: none;
    padding: 1rem 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text);
    text-align: left;
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--color-accent);
}

.faq-question .toggle-icon {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--color-text-secondary);
    transition: transform 0.3s ease;
    flex-shrink: 0;
    margin-left: 1rem;
}

.faq-question.active .toggle-icon {
    transform: rotate(90deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer.active {
    max-height: 1000px;
    transition: max-height 0.5s ease;
}

.faq-answer p,
.faq-answer ul {
    padding: 0 1.25rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
}

.faq-answer p:last-child,
.faq-answer ul:last-child {
    margin-bottom: 1rem;
}

.faq-answer ul {
    padding-left: 2.5rem;
}

.faq-answer li {
    margin-bottom: 0.3rem;
}

.faq-answer a {
    color: var(--color-accent);
    text-decoration: none;
}

.faq-answer a:hover {
    text-decoration: underline;
}

.faq-cta {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-lg);
}

.faq-cta h2 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.faq-cta p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

@media (max-width: 768px) {
    .faq-category-header {
        padding: 0.75rem 1rem;
        font-size: 1rem;
    }

    .faq-question {
        padding: 0.875rem 1rem;
        font-size: 0.95rem;
    }

    .faq-answer p,
    .faq-answer ul {
        padding: 0 1rem;
    }

    .faq-answer ul {
        padding-left: 2rem;
    }
}

/* ===================================
   NAV DROPDOWN
   =================================== */
.nav-dropdown {
    position: relative;
    display: inline-block;
}

.nav-dropdown-toggle {
    background: none;
    border: none;
    color: var(--color-text);
    font-family: var(--font-primary);
    font-weight: 500;
    font-size: 0.95rem;
    cursor: pointer;
    padding: 0;
    transition: var(--transition);
}

.nav-dropdown-toggle:hover {
    color: var(--color-accent);
}

.dropdown-arrow {
    font-size: 0.7em;
    margin-left: 0.2em;
}

.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(17, 17, 17, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    min-width: 140px;
    padding: 0.5rem 0;
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    z-index: 1000;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

.nav-dropdown:hover .nav-dropdown-menu {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
}

.nav-dropdown-menu a {
    display: block;
    padding: 0.5rem 1rem;
    color: var(--color-text-secondary) !important;
    font-weight: 400 !important;
    font-size: 0.9rem;
    white-space: nowrap;
    transition: var(--transition);
}

.nav-dropdown-menu a:hover {
    color: var(--color-text) !important;
    background: rgba(255, 255, 255, 0.05);
}

.nav-dropdown-menu a.active {
    color: var(--color-accent) !important;
}

@media (max-width: 768px) {
    .nav-dropdown {
        display: flex;
        flex-direction: column;
        width: 100%;
    }

    .nav-dropdown-toggle {
        display: none;
    }

    .nav-dropdown-menu {
        position: static;
        transform: none;
        background: transparent;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        border: none;
        box-shadow: none;
        visibility: visible;
        opacity: 1;
        pointer-events: auto;
        display: flex;
        flex-direction: column;
        padding: 0;
        min-width: 0;
    }

    .nav-dropdown-menu a {
        padding: var(--spacing-sm) 0;
        font-size: 1.1rem;
        width: 100%;
    }
}

/* ===================================
   LIBRARY PAGE
   =================================== */
.library-hero {
    background: var(--color-bg-secondary);
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md) var(--spacing-lg);
}

.library-hero h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
}

.library-intro {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.library-search {
    max-width: 500px;
    margin: var(--spacing-md) auto 0;
    position: relative;
}

.library-search input {
    width: 100%;
    padding: 0.8rem 2.5rem 0.8rem 1rem;
    font-size: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    background: var(--color-bg);
    color: var(--color-text);
    outline: none;
    transition: var(--transition);
}

.library-search input:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.2);
}

.library-search input::placeholder {
    color: var(--color-text-secondary);
}

.library-search-clear {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--color-text-secondary);
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    padding: 0.25rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.library-search-clear.visible {
    opacity: 1;
    visibility: visible;
}

.library-search-clear:hover {
    color: var(--color-text);
}

.library-no-results {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--color-text-secondary);
    display: none;
}

.library-category-count {
    font-weight: 400;
    color: var(--color-text-secondary);
    font-size: 0.9em;
}

/* Two-Panel Layout */
.library-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.library-list-panel {
    min-height: 400px;
}

/* Library List Items */
.library-content .library-list {
    list-style: none;
    padding: var(--spacing-sm) 0;
    columns: 1;
}

.library-list-item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.library-list-item.hidden {
    display: none;
}

.library-category.hidden {
    display: none;
}

.library-list-button {
    width: 100%;
    background: none;
    border: none;
    color: var(--color-text-secondary);
    font-family: var(--font-primary);
    font-size: 0.9rem;
    text-align: left;
    padding: 0.5rem;
    cursor: pointer;
    transition: var(--transition);
    border-radius: 4px;
}

.library-list-button:hover {
    color: var(--color-text);
    background: rgba(255, 255, 255, 0.05);
}

.library-list-item.active .library-list-button {
    color: var(--color-accent);
    background: rgba(0, 122, 255, 0.1);
}

/* Detail Panel */
.library-detail-panel {
    position: sticky;
    top: 80px;
}

.library-detail-card {
    background: var(--color-bg-card);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: var(--spacing-md);
    min-height: 200px;
    position: relative;
}

.library-detail-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    color: var(--color-text-secondary);
}

.library-detail-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.library-detail-creator {
    font-size: 0.9rem;
    font-style: italic;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.library-detail-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-bottom: var(--spacing-md);
}

.tag-pill {
    font-size: 0.7rem;
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.07);
    color: var(--color-text-secondary);
    white-space: nowrap;
}

.tag-pill.proficiency {
    color: var(--color-accent);
    background: rgba(0, 122, 255, 0.1);
}

.library-detail-preview {
    margin-bottom: var(--spacing-md);
}

.library-preview-image {
    width: 100%;
    border-radius: 8px;
    filter: invert(1);
}

.library-preview-placeholder {
    padding: var(--spacing-md);
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
}

.library-detail-actions {
    text-align: center;
}

.library-open-button {
    display: inline-block;
    margin-bottom: 0.5rem;
}

.library-detail-caption {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    text-align: center;
}

.library-detail-close {
    display: none;
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    background: none;
    border: none;
    color: var(--color-text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
    padding: 0.25rem;
}

/* Scores CTA */
.library-cta {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    background: var(--color-bg-secondary);
}

.library-cta h2 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.library-cta p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

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

    .library-detail-panel {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        top: auto;
        z-index: 500;
        padding: 0 var(--spacing-sm) var(--spacing-sm);
        background: linear-gradient(transparent, var(--color-bg) 20%);
        pointer-events: none;
        transform: translateY(100%);
        transition: transform 0.3s ease;
    }

    .library-detail-panel.visible {
        pointer-events: auto;
        transform: translateY(0);
    }

    .library-detail-card {
        box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.6);
    }

    .library-detail-close {
        display: block;
    }
}