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

:root {
    --color-bg: #0a0a0a;
    --color-text: #f5f5f5;
    --color-text-muted: #bfbfbf;
    --color-accent: #ffffff;
    --header-offset: 4.5rem;
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'SF Mono', 'Monaco', 'Inconsolata', monospace;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-offset);
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* WebGL Background */
#shader-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 9999;
    background-color: rgba(10, 10, 10, 1);
    mix-blend-mode: normal;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

/* Ensure nav and its children do not inherit blend modes from elsewhere */
.nav, .nav * {
    mix-blend-mode: normal;
}

.nav-logo {
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-accent);
    text-decoration: none;
}

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

.nav-link {
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--color-text);
    transition: opacity 0.3s var(--ease-out);
}

.nav-link:hover {
    opacity: 0.5;
    text-decoration: none !important;
}

/* Ensure nav links are never underlined on focus/active */
.nav-link:focus,
.nav-link:active {
    text-decoration: none !important;
}

/* Sections */
.section {
    min-height: 100vh;
    scroll-margin-top: var(--header-offset);
    padding: var(--spacing-xl) var(--spacing-lg);
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
}

.section-title {
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
}

/* Hero Section */
.hero {
    padding-top: calc(80px + var(--spacing-xl));
    padding-bottom: var(--spacing-xl);
}

.hero-content {
    max-width: 1200px;
}

.hero-title {
    font-size: clamp(2rem, 6vw, 5rem);
    font-weight: 300;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-lg);
}

.hero-title .line {
    display: block;
}

.hero-title .line:nth-child(1),
.hero-title .line:nth-child(2) {
    font-weight: 500;
}

.hero-description {
    font-size: 1.125rem;
    max-width: 700px;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.hero-team {
    font-size: 1rem;
    max-width: 700px;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* Projects Section (transparent to reveal shader background) */
.projects {
    background: transparent;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    max-width: 1400px;
}

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

.project-visual {
    aspect-ratio: 16 / 10;
    background: linear-gradient(135deg, #1a1a1a 0%, #0a0a0a 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.project-placeholder {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    width: 100%;
    height: 100%;
}

.project-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.project-visual-link {
    display: block;
    text-decoration: none;
    transition: transform 0.3s var(--ease-out);
}

.project-visual-link:hover {
    transform: scale(1.02);
}

.project-visual-link:hover .project-visual {
    border-color: rgba(255, 255, 255, 0.3);
}

.project-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.project-title {
    font-size: 1.5rem;
    font-weight: 400;
    letter-spacing: -0.01em;
}

.project-subtitle {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    font-weight: 400;
}

.project-details {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.project-description {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.project-specs {
    list-style: none;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.project-specs li {
    margin-bottom: var(--spacing-xs);
}

.project-specs span {
    color: var(--color-text);
    font-weight: 500;
    display: inline-block;
    width: 100px;
}

.project-specs a {
    color: #f5f5f5;
    text-decoration: none;
    transition: color 0.3s var(--ease-out);
}

.project-specs a:hover {
    color: #ffffff;
    text-decoration: underline;
}

/* Contact Section (transparent to reveal shader background) */
.contact {
    background: transparent;
    text-align: center;
    justify-content: center;
    align-items: center;
}

.contact-content {
    max-width: 600px;
}

.contact-description {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.contact-email {
    display: inline-block;
    font-size: clamp(1.25rem, 3vw, 2rem);
    font-weight: 300;
    letter-spacing: -0.01em;
    text-decoration: none;
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
    transition: opacity 0.3s var(--ease-out);
    border-bottom: 1px solid currentColor;
    padding-bottom: 4px;
}

.contact-email:hover {
    opacity: 0.5;
}

.contact-social {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.social-link {
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--color-text-muted);
    transition: color 0.3s var(--ease-out);
}

.social-link:hover {
    color: var(--color-text);
}

.footer {
    position: absolute;
    bottom: var(--spacing-md);
    left: 0;
    right: 0;
    text-align: center;
}

.footer p {
    font-size: 0.6875rem;
    color: var(--color-text-muted);
    letter-spacing: 0.05em;
}

.imprint-link {
    font-size: 0.6875rem;
    color: var(--color-text-muted);
    letter-spacing: 0.05em;
    text-decoration: none;
    margin-left: var(--spacing-sm);
    transition: color 0.3s var(--ease-out);
}

.imprint-link:hover {
    color: var(--color-text);
}

/* Imprint Section */
.imprint {
    min-height: auto;
    padding: var(--spacing-xl) var(--spacing-lg);
    background: rgba(10, 10, 10, 0.98);
}

.imprint-content {
    max-width: 800px;
    margin: 0 auto;
}

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

.imprint-block:last-child {
    margin-bottom: 0;
}

.imprint-block h3 {
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: -0.01em;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.imprint-text {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

.imprint-text a {
    color: #60a5fa;
    text-decoration: none;
    transition: color 0.3s var(--ease-out);
}

.imprint-text a:hover {
    color: #93c5fd;
    text-decoration: underline;
}

/* Imprint Page Styles */
.imprint-page {
    min-height: 100vh;
    padding-top: calc(80px + var(--spacing-xl));
    padding-bottom: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.imprint-wrapper {
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
}

.imprint-footer {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color 0.3s var(--ease-out);
}

.back-link:hover {
    color: var(--color-text);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .projects-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .nav {
        padding: var(--spacing-md);
    }
    
    .section {
        padding: var(--spacing-lg) var(--spacing-md);
    }
}

@media (max-width: 768px) {
    .nav {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .nav-logo {
        font-size: 0.75rem;
    }
    
    .nav-links {
        gap: var(--spacing-sm);
    }
    
    .nav-link {
        font-size: 0.625rem;
    }
    
    .section {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
    
    .hero-title {
        font-size: clamp(1.5rem, 8vw, 3rem);
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .project-title {
        font-size: 1.25rem;
    }
    
    .contact-social {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
}

/* Global link styles: keep standard links white without overriding button variants */
a:not(.btn), a:not(.btn):visited, a:not(.btn):active {
    color: var(--color-accent) !important;
    text-decoration: none !important;
}

a:not(.btn):hover, a:not(.btn):focus {
    color: var(--color-accent) !important;
    text-decoration: underline !important;
}

.btn,
.btn:visited,
.btn:hover,
.btn:focus,
.btn:active {
    text-decoration: none !important;
}

/* Ensure specific high-priority hover/focus/active for nav logo and contact email */
.nav a.nav-logo,
.nav a.nav-logo:hover,
.nav a.nav-logo:focus,
.nav a.nav-logo:active,
.contact-email,
.contact-email:hover,
.contact-email:focus,
.contact-email:active {
    text-decoration: none !important;
}

/* Additional rule to ensure logo link never underlines */
.nav .nav-logo a,
.nav .nav-logo a:hover,
.nav .nav-logo a:focus,
.nav .nav-logo a:active {
    text-decoration: none !important;
}

/* ==========================================================
   Product Page (rhytm.html)
   ========================================================== */

.product-hero {
    padding-top: calc(80px + var(--spacing-xl));
    padding-bottom: var(--spacing-lg);
    min-height: 80vh;
}

.product-hero-content {
    max-width: 900px;
}

/* Page background image (rhytm.html) */
.rhytm-bg {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background-image: url('assets/rhytm-plugin-ui.png');
    background-size: cover;
    /* start the background below the fixed header */
    background-position: center calc(var(--header-offset) + 10px);
}

.rhytm-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg,
            rgba(10, 10, 10, 0.55) 0%,
            rgba(10, 10, 10, 0.78) 45%,
            rgba(10, 10, 10, 0.92) 100%);
}

.product-eyebrow {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.product-title {
    font-size: clamp(3rem, 10vw, 7rem);
    font-weight: 500;
    letter-spacing: -0.03em;
    line-height: 1;
    margin-bottom: var(--spacing-md);
}

.product-tagline {
    font-size: clamp(1.125rem, 2.2vw, 1.5rem);
    font-weight: 300;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    max-width: 700px;
    line-height: 1.4;
}

.product-lede {
    font-size: 1rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    max-width: 700px;
    margin-bottom: var(--spacing-lg);
}

.product-cta-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

/* Buttons */
.btn {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.875rem 1.5rem;
    border: 1px solid var(--color-accent);
    transition: opacity 0.3s var(--ease-out), background-color 0.3s var(--ease-out);
    cursor: pointer;
    font-family: var(--font-primary);
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-bg) !important;
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active,
.btn-primary:visited {
    color: var(--color-bg) !important;
    opacity: 0.85;
    text-decoration: none !important;
}

.btn-ghost {
    background-color: transparent;
    color: var(--color-accent) !important;
}

.btn-ghost:hover,
.btn-ghost:focus,
.btn-ghost:active,
.btn-ghost:visited {
    color: var(--color-accent) !important;
    background-color: rgba(255, 255, 255, 0.08);
    text-decoration: none !important;
}

/* Product sections (Plugin / Hardware / Web) */
.product-section {
    min-height: auto;
    padding: var(--spacing-lg) var(--spacing-lg);
    background: transparent;
}

.product-block {
    max-width: 1100px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.product-block-head {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.status-badge {
    display: inline-block;
    align-self: flex-start;
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    padding: 0.25rem 0.6rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--color-text-muted);
}

.status-badge.status-live {
    color: var(--color-text);
    border-color: var(--color-text);
}

.status-badge.status-dev,
.status-badge.status-planned {
    color: var(--color-text-muted);
}

.product-block-title {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 400;
    letter-spacing: -0.01em;
    line-height: 1.2;
}

.product-block-sub {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

.product-block-body {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.product-paragraph {
    font-size: 1rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    max-width: 600px;
}

.feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.feature-list li {
    font-size: 0.9375rem;
    color: var(--color-text);
    padding-left: 1.25rem;
    position: relative;
    line-height: 1.5;
}

.feature-list li::before {
    content: "—";
    position: absolute;
    left: 0;
    color: var(--color-text-muted);
}

.spec-list {
    list-style: none;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    font-family: var(--font-mono);
    padding-top: var(--spacing-sm);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.spec-list li {
    margin-bottom: 0.4rem;
}

.spec-list span {
    color: var(--color-text);
    display: inline-block;
    width: 110px;
}

/* Notify section */
.product-notify {
    min-height: auto;
    padding-top: var(--spacing-lg);
    padding-bottom: calc(var(--spacing-xl) + 3rem);
    background: transparent;
    align-items: flex-start;
}

.product-notify::before {
    content: "";
    display: block;
    width: 100%;
    max-width: 1100px;
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin-bottom: var(--spacing-lg);
}

.product-notify-content {
    max-width: 600px;
    width: 100%;
}

.product-notify .product-block-title {
    margin-bottom: var(--spacing-md);
}

/* Placeholder form (replace with MailerLite embed) */
.notify-form-placeholder {
    margin-top: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.notify-label {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 0.4rem;
    display: block;
    padding: 0;
}

.notify-input {
    background-color: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--color-text);
    padding: 0.875rem 1rem;
    font-family: var(--font-primary);
    font-size: 1rem;
    width: 100%;
    transition: border-color 0.3s var(--ease-out);
}

.notify-input:focus {
    outline: none;
    border-color: var(--color-accent);
}

.notify-fieldset {
    border: none;
    padding: 0;
    margin-top: var(--spacing-sm);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.notify-check {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.9375rem;
    color: var(--color-text);
    cursor: pointer;
}

.notify-check input {
    accent-color: var(--color-accent);
    width: 1rem;
    height: 1rem;
}

.notify-form-placeholder .btn {
    align-self: flex-start;
    margin-top: var(--spacing-sm);
}

.notify-fineprint {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-sm);
}

.product-notify .footer {
    position: static;
    width: 100%;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* Feature grid */
.feature-grid-section {
    min-height: auto;
    padding: var(--spacing-lg) var(--spacing-lg);
    background: transparent;
    align-items: flex-start;
}

.feature-grid-label {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    width: 100%;
    max-width: 1200px;
}

.feature-tile {
    background-color: var(--color-bg);
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    min-height: 180px;
}

.feature-tile-num {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    letter-spacing: 0.2em;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

.feature-tile-title {
    font-size: 1.125rem;
    font-weight: 500;
    letter-spacing: -0.01em;
    color: var(--color-text);
    line-height: 1.2;
}

.feature-tile-body {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    line-height: 1.5;
    margin-top: auto;
}

/* Control surface callout */
.control-callout {
    min-height: auto;
    padding: var(--spacing-xl) var(--spacing-lg);
    background: transparent;
    align-items: flex-start;
}

.control-callout-content {
    max-width: 1100px;
    width: 100%;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    padding: var(--spacing-lg) 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.control-callout-text {
    flex: 1 1 420px;
}

.control-callout-visual {
    flex: 1 1 380px;
    max-width: 480px;
    margin: 0 auto;
}

.control-callout-eyebrow {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

.control-callout-title {
    font-size: clamp(2rem, 5vw, 3.25rem);
    font-weight: 400;
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    max-width: 800px;
}

.control-callout-body {
    font-size: 1rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    max-width: 600px;
}

/* Media placeholders (replace with <img> when assets are ready) */
.media-placeholder {
    width: 100%;
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px dashed rgba(255, 255, 255, 0.18);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
}

.media-placeholder-wide {
    aspect-ratio: 16 / 10;
}

.media-placeholder-phone {
    aspect-ratio: 16 / 10;
    border-radius: 18px;
    margin: 0 auto;
}

.media-placeholder-label {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

/* Optional helper if you swap in <img> directly inside the visual wrappers */
.product-hero-visual img,
.control-callout-visual img {
    display: block;
    width: 100%;
    height: auto;
}

/* Responsive */
@media (max-width: 1100px) {
    .feature-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 900px) {
    .product-block {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .product-section,
    .feature-grid-section,
    .control-callout {
        padding: var(--spacing-md) var(--spacing-sm);
    }
    .product-cta-row .btn {
        width: 100%;
        text-align: center;
    }
    .feature-tile {
        min-height: auto;
        padding: var(--spacing-sm);
    }
}

@media (max-width: 520px) {
    .feature-grid {
        grid-template-columns: 1fr;
    }
}