:root {
    /* Colors */
    --color-bg: #111111;
    --color-surface: #1a1a1a;
    --color-text: #eaeaea;
    --color-text-muted: #999999;
    --color-accent: #c4a77d; /* Gold/Bronze */
    --color-accent-hover: #d5ba94;
    --color-border: #333333;

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing (8px grid) */
    --space-1: 8px;
    --space-2: 16px;
    --space-3: 24px;
    --space-4: 32px;
    --space-5: 40px;
    --space-6: 48px;
    --space-8: 64px;
    --space-12: 96px;
    --space-16: 128px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s ease;
}

[data-theme="light"] {
    --color-bg: #fcfcfc;
    --color-surface: #ffffff;
    --color-text: #1a1a1a;
    --color-text-muted: #666666;
    --color-accent: #a38153; /* Darker gold for better contrast */
    --color-accent-hover: #8f6c3e;
    --color-border: #e0e0e0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    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;
    text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 500;
    line-height: 1.2;
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-3);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    /* Use color-mix to get 65% opacity on the theme background for true glassmorphism */
    background-color: color-mix(in srgb, var(--color-bg) 65%, transparent);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 100;
    border-bottom: 1px solid var(--color-border);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--space-12);
}

.logo-link {
    display: flex;
    align-items: center;
}

.nav-logo, .footer-logo-text {
    font-family: var(--font-primary);
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text);
    text-decoration: none;
    transition: color 0.3s ease;
    white-space: nowrap;
}

.nav-logo {
    font-size: 1.1rem;
}

.footer-logo-text {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    display: block;
}

.nav-logo span, .footer-logo-text span { 
    color: var(--color-accent);
    font-weight: 400;
}

.nav {
    display: flex;
    gap: var(--space-4);
}

.nav a {
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 1px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    border-radius: 2px;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 1px;
    font-weight: 500;
    transition: all var(--transition-fast);
    cursor: pointer;
    border: 1px solid transparent;
}

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

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    color: var(--color-bg);
    transform: translateY(-4px);
    box-shadow: 0 10px 20px rgba(196, 167, 125, 0.3);
}

.btn-secondary {
    background-color: transparent;
    border-color: var(--color-text);
    color: var(--color-text);
}

.btn-secondary:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-4px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

/* Hero Section */
.hero {
    min-height: 400vh; /* Reduced scroll runway for faster scroll-through */
    position: relative;
    z-index: 1;
}

.hero-sticky {
    position: sticky;
    top: 0;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    display: flex;
    align-items: flex-end; /* Align to bottom so we can push it up slightly */
    background-color: #111111; /* Force black background behind video */
}

#heroCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
    opacity: 1; /* Full opacity for maximum prominence */
    filter: brightness(1.2) contrast(1.15) saturate(1.1); /* Enhanced vibrance */
    transition: opacity 0.6s ease;
    transform: scale(1.05);
    animation: gentleParallax 60s linear infinite;
}

@keyframes gentleParallax {
    from { transform: translateY(0) scale(1.05); }
    to   { transform: translateY(-12%) scale(1.05); }
}

.hero-overlay {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.2) 0%,   /* Significantly lighter top to reveal video */
        rgba(0, 0, 0, 0.4) 60%,  /* Lighter mid-section */
        rgba(0, 0, 0, 0.8) 100%  /* Keep bottom dark so text remains highly readable */
    );
    z-index: 1;
    pointer-events: none;
}

.hero-content {
    --color-text: #eaeaea; /* Force light text on dark video */
    --color-text-muted: #999999;
    --color-accent: #c4a77d;
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 8vh;
    padding: 0 var(--space-3);
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.8);
}

.hero-title {
    font-size: 4rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--space-4);
    background: linear-gradient(to right, var(--color-text), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-4);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-support {
    font-size: 0.875rem;
    color: var(--color-accent);
    margin-bottom: var(--space-6);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-ctas {
    display: flex;
    gap: var(--space-3);
    justify-content: center;
}

/* Philosophy */
.philosophy {
    padding: var(--space-16) 0;
    background-color: var(--color-surface);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-8);
}

.section-header h2 {
    font-size: 2.5rem;
    text-transform: uppercase;
    margin-bottom: var(--space-2);
    color: var(--color-accent);
}

.section-header h3 {
    font-size: 1.5rem;
    color: var(--color-text-muted);
}

.philosophy-text {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    font-size: 1.25rem;
}

.philosophy-text p {
    margin-bottom: var(--space-3);
}

/* Problem Section */
.problem-section {
    padding: var(--space-8) 0;
    background-color: var(--color-bg);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-3);
    margin-bottom: var(--space-5);
}

.problem-card {
    background-color: var(--color-surface);
    padding: var(--space-4);
    border-radius: var(--space-1);
    border: 1px solid var(--color-border);
    text-align: center;
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.problem-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
}

.problem-card p {
    margin: 0;
    font-size: 1.125rem;
    color: var(--color-accent);
}

.problem-bottom {
    text-align: center;
    font-size: 1.25rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

/* System Section */
.system-section {
    padding: var(--space-12) 0;
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

.system-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

.system-card {
    background-color: var(--color-surface);
    padding: var(--space-6);
    border-radius: 4px;
    border: 1px solid var(--color-border);
}

.system-card h3 {
    font-size: 1.5rem;
    color: var(--color-accent);
    margin-bottom: var(--space-3);
    display: flex;
    flex-direction: column;
}

.system-card h3 span {
    font-size: 1rem;
    color: var(--color-text-muted);
    font-weight: 400;
    margin-top: 4px;
}

.system-card p {
    font-size: 1.125rem;
    color: var(--color-text);
}

.system-bottom {
    text-align: center;
    font-size: 1.25rem;
    color: var(--color-accent);
    font-weight: 500;
}

/* Rituals */
.rituals {
    padding: var(--space-16) 0;
}

.launch-tag {
    color: var(--color-text-muted);
    font-style: italic;
    margin-top: var(--space-1);
}

.product-card {
    display: flex;
    align-items: center;
    gap: var(--space-8);
    margin-bottom: var(--space-16);
}

.product-card.reverse {
    flex-direction: row-reverse;
}

.product-image {
    flex: 1;
}

.product-image img {
    width: 100%;
    height: auto;
    border-radius: var(--space-1);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    transition: transform var(--transition-normal);
}

.product-image:hover img {
    transform: translateY(-8px);
}

.invert-mockup {
    filter: invert(1) hue-rotate(180deg) brightness(1.1);
}

.product-info {
    flex: 1;
}

.product-info h3 {
    font-size: 1.25rem;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-1);
}

.product-info h4 {
    font-size: 2.5rem;
    text-transform: uppercase;
    margin-bottom: var(--space-3);
}

.product-desc {
    color: var(--color-text-muted);
    font-size: 1.125rem;
    margin-bottom: var(--space-4);
}

.key-benefits h5 {
    font-size: 1rem;
    margin-bottom: var(--space-2);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.key-benefits ul {
    list-style: none;
}

.key-benefits li {
    padding-left: var(--space-3);
    position: relative;
    margin-bottom: var(--space-1);
    color: var(--color-text-muted);
}

.key-benefits li::before {
    content: '–';
    color: var(--color-accent);
    position: absolute;
    left: 0;
}

/* Features */
.features {
    padding: var(--space-8) 0;
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.feature-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-4) var(--space-6);
    list-style: none;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    font-size: 1rem;
    color: var(--color-text-muted);
}

.feature-list .icon {
    width: 24px;
    height: 24px;
    color: var(--color-accent);
}

/* How it works */
.how-it-works {
    padding: var(--space-16) 0;
    background-color: var(--color-bg);
    border-top: 1px solid var(--color-border);
}

.how-it-works .section-header p {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto;
}

.how-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

.how-card {
    background-color: var(--color-surface);
    padding: var(--space-5);
    border-radius: 4px;
    border-top: 3px solid var(--color-accent);
}

.how-card h3 {
    font-size: 1.25rem;
    color: var(--color-text);
    margin-bottom: var(--space-2);
}

.how-card p {
    color: var(--color-text-muted);
}

.how-bottom {
    text-align: center;
    font-size: 1.25rem;
    color: var(--color-text);
    padding: var(--space-4);
    background-color: var(--color-surface);
    border-radius: 4px;
}

.how-bottom strong {
    color: var(--color-accent);
}

/* Highlight Section */
.highlight-section {
    padding: var(--space-8) 0;
    background-color: var(--color-accent);
    color: var(--color-bg);
    text-align: center;
}

.highlight-section h2 {
    font-size: 1.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Difference Section */
.difference-section {
    padding: var(--space-12) 0;
    background-color: var(--color-bg);
}

.difference-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-4);
}

.difference-card {
    background-color: var(--color-surface);
    padding: var(--space-5);
    border-radius: var(--space-1);
    border: 1px solid var(--color-border);
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.difference-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-accent);
}

.theme-toggle {
    background: none;
    border: none;
    padding: var(--space-1);
    color: var(--color-text);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.theme-toggle:hover {
    background-color: var(--color-border);
    color: var(--color-accent);
}

.difference-card h3 {
    font-size: 1.25rem;
    color: var(--color-text);
    margin-bottom: var(--space-2);
}

.difference-card p {
    color: var(--color-text-muted);
    margin: 0;
}

/* Engineering */
.engineering {
    padding: var(--space-16) 0;
}

.engineering-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--space-8);
}

.engineering-intro h2 {
    font-size: 2.5rem;
    margin-bottom: var(--space-4);
    color: var(--color-accent);
}

.engineering-intro p {
    color: var(--color-text-muted);
    font-size: 1.125rem;
    margin-bottom: var(--space-2);
}

.engineering-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-4);
}

.engineering-card {
    background-color: var(--color-surface);
    padding: var(--space-5);
    border-radius: var(--space-1);
    border: 1px solid var(--color-border);
    transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.engineering-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-6px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.1);
}

.engineering-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-2);
    color: var(--color-text);
}

.engineering-card p {
    color: var(--color-text-muted);
    margin-bottom: var(--space-3);
}

.learn-more {
    color: var(--color-accent);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
    transition: color 0.3s ease, letter-spacing 0.3s ease;
    display: inline-block;
}

.learn-more:hover {
    color: #fff;
    letter-spacing: 2px;
}

[data-theme="light"] .learn-more:hover {
    color: #000;
}

button.learn-more {
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    font-family: inherit;
}

/* Waitlist */
.waitlist {
    padding: var(--space-16) 0;
    text-align: center;
    background: radial-gradient(circle at top, var(--color-surface) 0%, var(--color-bg) 100%);
}

.waitlist h2 {
    font-size: 3rem;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-1);
}

.waitlist h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-4);
}

.waitlist-benefits {
    list-style: none;
    max-width: 600px;
    margin: 0 auto var(--space-6);
    text-align: left;
    display: inline-block;
}

.waitlist-benefits li {
    font-size: 1.125rem;
    color: var(--color-text);
    margin-bottom: var(--space-2);
    position: relative;
    padding-left: var(--space-4);
}

.waitlist-benefits li::before {
    content: "–";
    color: var(--color-accent);
    position: absolute;
    left: 0;
}

.waitlist p {
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto var(--space-6);
}

.waitlist-form {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
    max-width: 500px;
    margin: 0 auto var(--space-4);
}

.waitlist-form input {
    flex: 1;
    padding: var(--space-2) var(--space-3);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 1rem;
    border-radius: 2px;
}

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

.spam-notice {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: 0;
}

/* Footer */
.footer {
    padding: var(--space-8) 0;
    border-top: 1px solid var(--color-border);
    background-color: var(--color-surface);
}

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

.footer-brand {
    display: flex;
    flex-direction: column;
    align-items: center; /* Centered alignment for footer branding */
    text-align: center;
    gap: var(--space-1);
}

.footer-logo {
    height: 80px;
    width: auto;
    border-radius: 2px;
    margin-bottom: var(--space-1);
    mix-blend-mode: screen;
    filter: invert(1) hue-rotate(180deg) brightness(1.5);
    /* Removes slight image bounding box artifacts */
    background-color: transparent; 
}

.footer-brand h4 {
    font-size: 1.25rem;
    letter-spacing: 2px;
    margin-bottom: var(--space-1);
}

.footer-brand a {
    color: var(--color-text-muted);
}

.footer-copy p {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* Testimonial Section */
.testimonial-section {
    padding: var(--space-12) 0;
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
    overflow: hidden; /* Ensure full-bleed marquee doesn't cause horizontal scrollbar */
}

.testimonial-marquee {
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    overflow: hidden;
    padding: var(--space-2) 0 var(--space-6) 0;
}

.testimonial-track {
    display: flex;
    gap: var(--space-4);
    width: max-content;
    animation: scrollMarquee 45s linear infinite;
}

.testimonial-track:hover {
    animation-play-state: paused;
}

@keyframes scrollMarquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(calc(-50% - (var(--space-4) / 2))); }
}

.testimonial-card {
    background: color-mix(in srgb, var(--color-surface) 60%, transparent);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: var(--space-5);
    border-radius: var(--space-2);
    border: 1px solid color-mix(in srgb, var(--color-border) 40%, transparent);
    width: 420px;
    flex-shrink: 0;
    white-space: normal;
    transition: border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
}

.testimonial-card:hover {
    border-color: color-mix(in srgb, var(--color-accent) 60%, transparent);
    transform: translateY(-4px);
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.15);
}

.testimonial-card .stars {
    display: flex;
    gap: 4px;
    margin-bottom: var(--space-3);
}

.testimonial-card .quote {
    font-size: 1.15rem;
    line-height: 1.7;
    margin-bottom: var(--space-4);
    color: var(--color-text);
    font-weight: 400;
    flex-grow: 1;
}

.testimonial-card .author {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* Science Section */
.science-section {
    padding: var(--space-16) 0;
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
}

.science-header {
    text-align: center;
    margin-bottom: var(--space-8);
}

.science-eyebrow {
    display: block;
    font-size: 11px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 1rem;
}

.science-header h2 {
    font-size: 2rem;
    font-weight: 400;
    color: var(--color-text);
    line-height: 1.2;
    margin-bottom: 1rem;
}

.science-header p {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

.science-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    max-width: 800px;
    margin: 0 auto 3rem;
    background: var(--color-border);
    border: 1px solid var(--color-border);
}

.science-stat {
    background: var(--color-surface);
    padding: 1.75rem 1.25rem;
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 300;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 11px;
    color: var(--color-text-muted);
    line-height: 1.5;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.science-pillars {
    display: flex;
    max-width: 800px;
    margin: 0 auto 1.5px;
    gap: 1px;
    background: var(--color-border);
}

.pillar-tab {
    flex: 1;
    background: var(--color-surface);
    border: none;
    padding: 1rem;
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
    font-family: var(--font-body);
}

.pillar-tab.active {
    background: var(--color-accent);
    color: var(--color-bg);
}

.pillar-tab:hover:not(.active) {
    color: var(--color-accent);
}

.science-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    max-width: 800px;
    margin: 0 auto;
    background: var(--color-border);
    border: 1px solid var(--color-border);
}

.science-card {
    background: var(--color-surface);
    padding: 1.75rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}

.science-card.hidden {
    display: none;
}

.sc-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.75rem;
}

.sc-top h4 {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text);
    line-height: 1.3;
}

.sc-top h4 em {
    display: block;
    font-style: italic;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 0.15rem;
}

.sc-tag {
    font-size: 10px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent);
    background: rgba(196, 167, 125, 0.1);
    border: 1px solid rgba(196, 167, 125, 0.2);
    padding: 3px 8px;
    white-space: nowrap;
    flex-shrink: 0;
}

.sc-benefit {
    font-size: 0.875rem;
    color: var(--color-text);
    line-height: 1.65;
}

.sc-divider {
    height: 1px;
    background: var(--color-border);
}

.sc-study {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.sc-study-label {
    font-size: 10px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.sc-cite {
    font-size: 0.8rem;
    color: #6e8a78;
    line-height: 1.6;
    font-style: italic;
}

.sc-link {
    font-size: 11px;
    color: var(--color-accent);
    text-decoration: none;
    letter-spacing: 0.05em;
}

.sc-link:hover {
    text-decoration: underline;
}

.dt-modal-header {
    max-width: 800px;
    margin: 0 auto 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--color-border);
}

.dt-eyebrow {
    display: block;
    font-size: 10px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 0.75rem;
}

.dt-modal-header h2 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--color-text);
    line-height: 1.25;
    margin-bottom: 0.75rem;
}

.dt-modal-header p {
    font-family: var(--font-body);
    font-size: 13px;
    color: var(--color-text-muted);
    line-height: 1.75;
}

.dt-challenge {
    max-width: 800px;
    margin: 0 auto 2rem;
    background: #161610;
    border-left: 3px solid var(--color-accent);
    padding: 1.25rem 1.5rem;
}

.dt-challenge h3 {
    font-size: 10px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 0.6rem;
}

.dt-challenge p {
    font-size: 13px;
    color: var(--color-text-muted);
    line-height: 1.75;
}

.dt-phase-icon {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background: var(--color-border);
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: serif;
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.dt-phase h4 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 400;
    color: var(--color-text);
    margin: 0 0 .5rem;
}

.dt-phase p {
    font-family: var(--font-body);
    font-size: 12px;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin: 0;
}

.dt-formats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: #2a2a22;
    max-width: 800px;
    margin: 0 auto 2rem;
}

.dt-format {
    background: #161610;
    padding: 1.5rem;
}

.dt-format-label {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 0.75rem;
    font-size: 10px;
    color: var(--color-text-muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.dt-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    flex-shrink: 0;
}

.dt-dot.hot { background: #c87840; }
.dt-dot.cold { background: #4080b8; }

.dt-format h4 {
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 1rem;
    line-height: 1.4;
}

.dt-format ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}

.dt-format ul li {
    font-size: 12px;
    color: var(--color-text-muted);
    line-height: 1.65;
    padding-left: 0.75rem;
    border-left: 1px solid #2a2a22;
}

.dt-format.hot ul li { border-left-color: rgba(200,120,64,0.3); }
.dt-format.cold ul li { border-left-color: rgba(64,128,184,0.3); }

.dt-format ul li strong {
    color: #d4c4a0;
    font-weight: 500;
}

.dt-stability-table {
    max-width: 800px;
    margin: 0 auto 2rem;
}

.dt-stability-table h3 {
    font-size: 10px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 1rem;
}

.dt-stability-table table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
}

.dt-stability-table thead th {
    text-align: left;
    padding: 0.6rem 0.75rem;
    font-size: 10px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #5a5850;
    border-bottom: 1px solid #2a2a22;
}

.dt-stability-table tbody td {
    padding: 0.7rem 0.75rem;
    color: var(--color-text-muted);
    border-bottom: 1px solid #1a1a14;
    vertical-align: top;
    line-height: 1.5;
}

.dt-stability-table tbody td:first-child {
    color: #d4c4a0;
}

.dt-stability-table td.stable { color: #6e9e78; }
.dt-stability-table td.good { color: var(--color-accent); }

.dt-closing {
    max-width: 800px;
    margin: 0 auto 0;
    border-top: 1px solid var(--color-border);
    padding-top: 1.5rem;
}

.dt-closing p {
    font-size: 13px;
    color: #5a5850;
    line-height: 1.75;
    font-style: italic;
}

/* Premium Ingredients Showcase */
.ing-hdr { text-align: left; margin-bottom: 3rem; max-width: 800px; margin-left: auto; margin-right: auto; }
.ing-eye { display: block; font-family: var(--font-body); font-size: 10px; letter-spacing: .22em; text-transform: uppercase; color: var(--color-accent); margin-bottom: .8rem; }
.ing-hdr h2 { font-family: var(--font-heading); font-size: 1.55rem; font-weight: 300; color: var(--color-text); line-height: 1.2; margin-bottom: .75rem; }
.ing-hdr p { font-family: var(--font-body); font-size: 12.5px; color: var(--color-text-muted); line-height: 1.8; }
.ing-layer-label { font-family: var(--font-body); font-size: 9px; letter-spacing: .2em; text-transform: uppercase; color: var(--color-accent); border-bottom: 1px solid var(--color-border); padding-bottom: .5rem; margin: 2.25rem auto 1px; max-width: 800px; }
.ing-layer-label:first-of-type { margin-top: 0; }
.ing-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(152px, 1fr)); gap: 1px; background: var(--color-border); margin: 0 auto 1px; max-width: 800px; }
.ing-card { background: var(--color-surface); display: flex; flex-direction: column; cursor: pointer; transition: background .12s, transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease; }
.ing-card:hover, .ing-card.active { background: #1a1a14; transform: scale(1.02); z-index: 5; position: relative; box-shadow: 0 10px 30px rgba(0,0,0,0.5); }
.ing-card.active { outline: 1px solid var(--color-accent); z-index: 10; position: relative; }
.ing-img { width: 100%; aspect-ratio: 1; background: var(--color-surface); overflow: hidden; position: relative; }
.ing-img svg { width: 100%; height: 100%; display: block; }
.ing-vtag { position: absolute; top: 8px; right: 8px; font-size: 8px; letter-spacing: .08em; text-transform: uppercase; padding: 2px 7px; z-index: 10; }
.vtag-both { background: rgba(201,169,110,.12); border: 1px solid rgba(201,169,110,.25); color: var(--color-accent); }
.vtag-coffee { background: rgba(122,74,30,.18); border: 1px solid rgba(180,110,40,.3); color: #c8894a; }
.vtag-tea { background: rgba(42,88,64,.18); border: 1px solid rgba(60,130,80,.3); color: #6ab88a; }
.vtag-opt { background: rgba(80,80,80,.15); border: 1px solid rgba(120,120,120,.2); color: #888; }
.ing-body { padding: .9rem 1rem 1.1rem; flex: 1; display: flex; flex-direction: column; gap: .3rem; }
.ing-body h4 { font-family: var(--font-heading); font-size: .82rem; font-weight: 500; color: var(--color-text); line-height: 1.2; margin: 0; }
.ing-latin { font-family: var(--font-body); font-size: 9px; color: var(--color-text-muted); font-style: italic; }
.ing-dose { font-family: var(--font-body); font-size: 10px; color: var(--color-accent); margin-top: .1rem; }
.ing-tags { display: flex; flex-wrap: wrap; gap: 3px; margin-top: .3rem; }
.ing-tags span { font-family: var(--font-body); font-size: 8px; letter-spacing: .05em; background: rgba(196,167,125,0.1); border: 1px solid var(--color-border); color: var(--color-accent); padding: 1px 5px; }
.ing-detail { display: none; background: var(--color-surface); border: 1px solid var(--color-border); border-top: none; padding: 1.25rem 1.25rem 1.5rem; grid-column: 1/-1; max-width: 800px; margin: 0 auto; box-sizing: border-box; }
.ing-detail.open { display: block; }
.ing-detail-head { font-family: var(--font-body); font-size: 9px; letter-spacing: .16em; text-transform: uppercase; color: var(--color-accent); margin-bottom: .4rem; margin-top: 0; }
.ing-detail p { font-family: var(--font-body); font-size: 11.5px; color: var(--color-text-muted); line-height: 1.7; margin: 0; }
.ing-legend { display: flex; gap: 1.5rem; justify-content: center; margin-top: 2rem; flex-wrap: wrap; max-width: 800px; margin-left: auto; margin-right: auto; }
.ing-leg-item { font-family: var(--font-body); display: flex; align-items: center; gap: 7px; font-size: 10px; color: var(--color-text-muted); letter-spacing: .05em; }
.ing-leg-dot { width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; }

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: var(--space-3);
    left: var(--space-3);
    right: var(--space-3);
    max-width: 1200px;
    margin: 0 auto;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--space-1);
    padding: var(--space-3);
    z-index: 1000;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

[data-theme="light"] .cookie-banner {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.cookie-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    gap: var(--space-4);
}

.cookie-content p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.cookie-actions {
    display: flex;
    gap: var(--space-2);
    flex-shrink: 0;
}

.cookie-actions .btn {
    padding: var(--space-2) var(--space-3);
    font-size: 0.85rem;
}

/* ─── TICKER ─────────────────────────────────────────── */
.ticker-wrap {
    position: relative;
    z-index: 2;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-surface);
    overflow: hidden;
    padding: 0.85rem 0;
}

.ticker-track {
    display: flex;
    gap: 0;
    white-space: nowrap;
    animation: scrollTicker 28s linear infinite;
}

@keyframes scrollTicker { from { transform: translateX(0); } to { transform: translateX(-50%); } }

.ticker-item {
    display: inline-flex;
    align-items: center;
    gap: 2rem;
    padding: 0 2rem;
    font-size: 0.75rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.ticker-sep {
    width: 4px; height: 4px;
    border-radius: 50%;
    background: var(--color-accent);
    opacity: 0.6;
    flex-shrink: 0;
}

/* ─── MODAL ─────────────────────────────────────────── */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 99999;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

[data-theme="light"] .modal-overlay {
    background: rgba(255, 255, 255, 0.4);
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.modal-content {
    background: rgba(26, 26, 26, 0.45);
    backdrop-filter: blur(40px) saturate(150%);
    -webkit-backdrop-filter: blur(40px) saturate(150%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    padding: 3rem 2.5rem 2.5rem;
    max-width: 900px;
    width: 90%;
    max-height: 85vh;
    overflow-y: auto;
    position: relative;
    transform: translateY(40px) scale(0.95);
    transition: transform 0.6s cubic-bezier(0.19, 1, 0.22, 1), opacity 0.6s cubic-bezier(0.19, 1, 0.22, 1);
    box-shadow: 0 40px 100px rgba(0,0,0,0.8), inset 0 1px 0 rgba(255,255,255,0.12);
    opacity: 0;
}

[data-theme="light"] .modal-content {
    background: rgba(255, 255, 255, 0.65);
    border: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: 0 40px 100px rgba(0,0,0,0.1), inset 0 1px 0 rgba(255,255,255,0.8);
}

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

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 2rem;
    cursor: none;
    z-index: 10;
    line-height: 1;
    padding: 0.5rem;
    transition: color 0.2s ease;
}

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

/* Ensure content inside modal scrolls smoothly */
.modal-body {
    scrollbar-width: thin;
    scrollbar-color: var(--color-border) transparent;
}
.modal-body::-webkit-scrollbar {
    width: 6px;
}
.modal-body::-webkit-scrollbar-thumb {
    background-color: var(--color-border);
    border-radius: 3px;
}

/* ─── ANTIGRAVITY GLOBALS ─────────────────────────────────────────── */
body.antigravity-enabled {
    cursor: none;
}

/* Ensure links don't show default cursor */
body.antigravity-enabled a, 
body.antigravity-enabled button {
    cursor: none;
}

body.antigravity-enabled::after {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
    opacity: 0.025;
    pointer-events: none;
    z-index: 1000;
}

[data-theme="light"] body.antigravity-enabled::after {
    opacity: 0.05;
}

.cursor {
    position: fixed;
    width: 10px; height: 10px;
    background: var(--color-accent);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: width 0.2s, height 0.2s, background 0.2s;
    mix-blend-mode: screen;
    box-shadow: 0 0 15px var(--color-accent);
}

[data-theme="light"] .cursor {
    mix-blend-mode: multiply;
}

.cursor-ring {
    position: fixed;
    width: 36px; height: 36px;
    border: 1px solid color-mix(in srgb, var(--color-accent) 40%, transparent);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9998;
    transform: translate(-50%, -50%);
    transition: all 0.12s ease-out;
}

body:has(a:hover) .cursor,
body:has(button:hover) .cursor,
body:has(.clickable:hover) .cursor { 
    width: 20px; height: 20px; 
    background: var(--color-accent); 
}

body:has(a:hover) .cursor-ring,
body:has(button:hover) .cursor-ring,
body:has(.clickable:hover) .cursor-ring { 
    width: 54px; height: 54px; 
    border-color: color-mix(in srgb, var(--color-accent) 80%, transparent); 
}

.starfield {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

[data-theme="light"] .starfield {
    display: none;
}

.star {
    position: absolute;
    border-radius: 50%;
    background: #ffffff;
    animation: twinkle var(--dur, 3s) ease-in-out infinite var(--delay, 0s);
}

@keyframes twinkle {
    0%, 100% { opacity: var(--min-op, 0.1); transform: scale(1); }
    50%       { opacity: var(--max-op, 0.6); transform: scale(1.3); }
}

.gravity-grid {
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(196,167,125,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(196,167,125,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 0;
}

[data-theme="light"] .gravity-grid {
    background-image:
        linear-gradient(rgba(196,167,125,0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(196,167,125,0.08) 1px, transparent 1px);
}

/* ─── ANTIGRAVITY HERO ORBS ─────────────────────────────────────────── */
.hero-orb {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    z-index: 1;
    mix-blend-mode: screen;
    filter: blur(20px);
}

[data-theme="light"] .hero-orb {
    mix-blend-mode: multiply;
}

.hero-orb-1 {
    width: 600px; height: 600px;
    right: -100px; top: -100px;
    background: radial-gradient(circle, color-mix(in srgb, var(--color-accent) 25%, transparent) 0%, transparent 70%);
    animation: drift1 12s ease-in-out infinite;
}

.hero-orb-2 {
    width: 400px; height: 400px;
    right: 100px; top: 80px;
    background: radial-gradient(circle, color-mix(in srgb, var(--color-accent) 15%, transparent) 0%, transparent 70%);
    animation: drift2 8s ease-in-out infinite;
}

.hero-orb-3 {
    width: 300px; height: 300px;
    left: 20%; bottom: 10%;
    background: radial-gradient(circle, color-mix(in srgb, var(--color-accent) 20%, transparent) 0%, transparent 70%);
    animation: drift3 14s ease-in-out infinite;
}

@keyframes drift1 { 0%,100%{transform:translate(0,0)} 50%{transform:translate(-30px,20px)} }
@keyframes drift2 { 0%,100%{transform:translate(0,0)} 50%{transform:translate(20px,-30px)} }
@keyframes drift3 { 0%,100%{transform:translate(0,0)} 50%{transform:translate(-20px,15px)} }

.float-word {
    position: absolute;
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--color-accent);
    opacity: 0.3;
    pointer-events: none;
    animation: floatWord var(--dur) ease-in-out infinite var(--delay);
    z-index: 1;
}

@keyframes floatWord {
    0%, 100% { transform: translateY(0px) rotate(var(--rot, 0deg)); opacity: 0.2; }
    50%       { transform: translateY(-25px) rotate(var(--rot, 0deg)); opacity: 0.5; }
}

/* Animations */
.fade-in, .reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1), transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.fade-in.visible, .reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }

@media (prefers-reduced-motion: reduce) {
    .fade-in {
        transition: none;
        opacity: 1;
        transform: none;
    }
    
    .product-image img {
        transition: none;
    }
    .product-image:hover img {
        transform: none;
    }
    .engineering-card {
        transition: none;
    }
    .engineering-card:hover {
        transform: none;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        height: auto;
        padding: var(--space-2) 0;
        gap: var(--space-2);
    }
    
    .nav {
        display: none; /* Add mobile menu later if needed */
    }
    
    .cookie-content {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-3);
    }
    
    .cookie-actions {
        width: 100%;
        justify-content: flex-end;
    }
    
    .cookie-actions .btn {
        flex: 1;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .product-card, .product-card.reverse {
        flex-direction: column;
        gap: var(--space-4);
    }
    
    .footer-inner {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }
    
    .waitlist-form {
        flex-direction: column;
    }

    .science-stats,
    .science-grid {
        grid-template-columns: 1fr;
    }
    .science-pillars {
        flex-direction: column;
    }
    .science-header h2 {
        font-size: 1.5rem;
    }

    .dt-formats { grid-template-columns: 1fr; }
    .dt-stability-table thead th:last-child,
    .dt-stability-table tbody td:last-child { display: none; }
    
    .ing-grid { grid-template-columns: 1fr 1fr; } 
    .ing-hdr h2 { font-size: 1.3rem; }
}