/* ===== CSS Variables & Reset ===== */
:root {
    --color-bg-primary: #0b2028;
    --color-text-primary: #E5E7EB;
    --color-text-muted: #9CA3AF;
    --color-accent-teal: #1a3a45;
    --color-accent-light: #99bac4;
    --color-white: #ffffff;
    --color-black: #000000;
    
    --font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-family-headline: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-2xl: 10rem;
    
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    --border-radius-pill: 50px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-bg-primary);
    background-image: 
        radial-gradient(ellipse at 0% 0%, rgba(153, 186, 196, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 100% 100%, rgba(153, 186, 196, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 30%, rgba(26, 58, 69, 0.6) 0%, transparent 60%);
    color: var(--color-text-primary);
    line-height: 1.6;
    font-weight: 300;
    letter-spacing: 0.02em;
    overflow-x: hidden;
}

/* Noise texture overlay */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* Scroll progress indicator */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    right: auto;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent-light), var(--color-white));
    z-index: 10000;
    width: 0%;
}

/* ===== Header / Navigation ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-md) var(--spacing-md);
    background-color: rgba(11, 32, 40, 0.9);
    backdrop-filter: blur(10px);
}

.header-container {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    text-decoration: none;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    color: var(--color-accent-light);
}

.logo-tagline {
    font-size: 0.8rem;
    font-weight: 300;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
}

.nav-pill {
    display: flex;
    gap: var(--spacing-xs);
    background-color: rgba(26, 58, 69, 0.8);
    padding: 0.5rem 0.8rem;
    border-radius: var(--border-radius-pill);
}

.nav-link {
    color: var(--color-text-primary);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 400;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-pill);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.nav-link--accent {
    border: 1px solid rgba(153, 186, 196, 0.35);
    color: var(--color-accent-light);
}

.nav-link--accent:hover {
    background-color: rgba(153, 186, 196, 0.15);
    border-color: var(--color-accent-light);
}

/* Mobile nav: CTA + burger (hidden on desktop) */
.nav-mobile {
    display: none;
}

.nav-cta-mobile {
    display: inline-block;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-pill);
    background-color: rgba(153, 186, 196, 0.2);
    border: 1px solid rgba(153, 186, 196, 0.4);
    color: var(--color-accent-light);
    text-decoration: none;
    white-space: nowrap;
}

.nav-burger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 0;
    background: none;
    border: none;
    cursor: pointer;
    border-radius: var(--border-radius-sm);
    transition: background-color 0.2s ease;
    flex-shrink: 0;
}

.nav-burger:hover {
    background-color: rgba(255, 255, 255, 0.08);
}

.nav-burger-bar {
    display: block;
    width: 22px;
    height: 2px;
    background-color: var(--color-text-primary);
    border-radius: 1px;
    transition: transform 0.3s ease, opacity 0.3s ease;
    margin: 0 auto;
}

/* Full-screen mobile menu overlay */
.nav-dropdown {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    background-color: var(--color-bg-primary);
    z-index: 1100;
    display: none;
    flex-direction: column;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.nav-dropdown.is-open {
    display: flex;
}

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

.nav-dropdown-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    z-index: 2;
    width: 48px;
    height: 48px;
    padding: 0;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-sm);
}

.nav-dropdown-close:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.nav-dropdown-close-icon {
    display: block;
    width: 24px;
    height: 24px;
    position: relative;
}

.nav-dropdown-close-icon::before,
.nav-dropdown-close-icon::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    width: 22px;
    height: 2px;
    background-color: currentColor;
    transform: translate(-50%, -50%) rotate(45deg);
}

.nav-dropdown-close-icon::after {
    transform: translate(-50%, -50%) rotate(-45deg);
}

.nav-dropdown-links {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 5rem 2rem 2rem;
    position: relative;
    z-index: 1;
}

.nav-dropdown-link {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--color-text-primary);
    text-decoration: none;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(153, 186, 196, 0.1);
    width: 100%;
    transition: color 0.2s ease;
}

.nav-dropdown-link:last-child {
    border-bottom: none;
}

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

/* ===== Hero Section ===== */
.hero {
    min-height: auto;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: calc(100px + var(--spacing-xl)) var(--spacing-md) var(--spacing-md);
    padding-bottom: 0;
    text-align: left;
    position: relative;
    z-index: 2;
}

.hero-content {
    width: 100%;
    max-width: 900px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 0;
    padding-bottom: 0;
    position: relative;
    z-index: 2;
}

.hero-content > *:last-child {
    margin-bottom: 0;
}

.hero-headline {
    font-family: var(--font-family-headline);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 300;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
    text-align: left;
    width: 100%;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
    animation-delay: 0.2s;
}

.hero-headline-accent {
    color: #64a09e;
}

.hero-subheadline {
    font-size: clamp(1.3rem, 3vw, 1.75rem);
    font-weight: 300;
    color: var(--color-text-muted);
    line-height: 1.8;
    letter-spacing: 0.03em;
    margin-bottom: var(--spacing-lg);
    max-width: 900px;
    text-align: left;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
    animation-delay: 0.5s;
}

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

.cta-button {
    display: inline-block;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    padding: 1rem 2.2rem;
    border-radius: var(--border-radius-pill);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
    border: none;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.cta-primary {
    background-color: var(--color-white);
    color: var(--color-bg-primary);
    opacity: 0;
    animation: fadeInUp 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
    animation-delay: 0.8s;
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.25),
        0 0 40px rgba(153, 186, 196, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.9);
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.cta-primary:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 6px 25px rgba(0, 0, 0, 0.35),
        0 0 50px rgba(153, 186, 196, 0.35);
    background-color: #f0f0f0;
}

.cta-primary:active {
    transform: translateY(0);
    box-shadow: 
        0 2px 10px rgba(0, 0, 0, 0.2),
        0 0 30px rgba(153, 186, 196, 0.15);
}

.cta-dark {
    background-color: var(--color-bg-primary);
    color: var(--color-white);
}

/* ===== Hero Floating Video ===== */
.hero-video-wrap {
    width: 100%;
    display: flex;
    justify-content: center;
    margin-top: 0;
    position: relative;
    z-index: 10;
}

.hero-video-float {
    position: relative;
    z-index: 5;
    max-width: 850px;
    width: 90%;
    transform: translateY(30%);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.4),
        0 0 40px rgba(153, 186, 196, 0.1);
}

.hero-video-float .demo-video-player {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    display: block;
    background-color: #000;
    border-radius: var(--border-radius-lg);
}

.hero-video-play-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    background: rgba(11, 32, 40, 0.85);
    border-radius: var(--border-radius-lg);
    border: none;
    outline: none;
    cursor: pointer;
    transition: opacity 0.4s ease, background 0.3s ease;
    z-index: 10;
}

.hero-video-play-overlay:hover {
    background: rgba(26, 58, 69, 0.9);
}

.hero-video-play-overlay.is-hidden {
    pointer-events: none;
    opacity: 0;
}

.hero-video-play-icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent-light);
    background: rgba(153, 186, 196, 0.15);
    border: 2px solid rgba(153, 186, 196, 0.5);
    border-radius: 50%;
    transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.hero-video-play-overlay:hover .hero-video-play-icon {
    transform: scale(1.08);
    background: rgba(153, 186, 196, 0.25);
    border-color: var(--color-accent-light);
}

.hero-video-play-icon svg {
    width: 32px;
    height: 32px;
    margin-left: 4px;
}

.hero-video-play-label {
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.hero-video-play-overlay:hover .hero-video-play-label {
    color: var(--color-accent-light);
}

.video-mute-btn {
    position: absolute;
    bottom: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(11, 32, 40, 0.8);
    border: 1px solid rgba(153, 186, 196, 0.4);
    color: var(--color-text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s ease, transform 0.2s ease;
    z-index: 100;
}

.video-mute-btn:hover {
    background-color: rgba(11, 32, 40, 0.9);
    transform: scale(1.1);
}

.video-mute-btn svg {
    width: 18px;
    height: 18px;
}

/* ===== The Problem / The Gap Section ===== */
.problem-section {
    padding: var(--spacing-2xl) var(--spacing-md);
    padding-top: 22rem;
    background-color: var(--color-bg-primary);
    position: relative;
    z-index: 1;
}

.problem-container {
    max-width: 1200px;
    margin: 0 auto;
}

.problem-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
}

.problem-headline {
    font-family: var(--font-family-headline);
    font-size: clamp(2rem, 4vw, 3.25rem);
    font-weight: 400;
    color: var(--color-white);
    line-height: 1.3;
    margin-bottom: var(--spacing-xl);
    letter-spacing: -0.02em;
}

.problem-boxes {
    display: flex;
    align-items: stretch;
    justify-content: center;
    gap: 0;
    flex-wrap: wrap;
}

.problem-box {
    flex: 1;
    min-width: 240px;
    max-width: 340px;
    background-color: rgba(229, 231, 235, 0.95);
    color: #374151;
    padding: var(--spacing-lg) var(--spacing-md);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(153, 186, 196, 0.2);
}

.problem-box-title {
    font-family: var(--font-family-headline);
    font-size: 1.15rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.problem-box-text {
    font-size: 0.95rem;
    line-height: 1.65;
    color: #4b5563;
}

.problem-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 var(--spacing-sm);
    color: var(--color-text-muted);
    flex-shrink: 0;
}

.problem-arrow svg {
    width: 24px;
    height: 24px;
    opacity: 0.6;
}

/* ===== Section 3: Contrast / What's Been Missing ===== */
.contrast-section {
    padding: var(--spacing-2xl) var(--spacing-md);
    background-color: var(--color-bg-primary);
}

.contrast-container {
    max-width: 1200px;
    margin: 0 auto;
}

.contrast-section-headline {
    font-family: var(--font-family-headline);
    font-size: clamp(2rem, 4vw, 3.25rem);
    font-weight: 400;
    color: var(--color-white);
    line-height: 1.3;
    margin-bottom: var(--spacing-xl);
    letter-spacing: -0.02em;
}

.contrast-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.contrast-divider {
    width: 1px;
    background-color: rgba(153, 186, 196, 0.2);
    align-self: stretch;
}

.contrast-heading {
    font-family: var(--font-family-headline);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 500;
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.01em;
}

.contrast-checklist {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.contrast-check-item {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    font-size: 1.1rem;
    font-weight: 400;
    color: var(--color-text-primary);
    line-height: 1.5;
}

.contrast-check-icon {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(153, 186, 196, 0.15);
    border: 1px solid rgba(153, 186, 196, 0.3);
    border-radius: var(--border-radius-sm);
    color: var(--color-accent-light);
}

.contrast-check-icon svg {
    width: 16px;
    height: 16px;
}

.contrast-body {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--color-text-muted);
}

.contrast-right .contrast-body {
    font-size: 1.1rem;
    line-height: 1.85;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.image-placeholder {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: linear-gradient(145deg, rgba(26, 58, 69, 0.5), rgba(11, 32, 40, 0.8));
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    font-size: 0.9rem;
    border: 1px solid rgba(153, 186, 196, 0.2);
}

/* ===== Philosophy Section ===== */
.philosophy {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--spacing-2xl) var(--spacing-md);
}

.philosophy-content {
    max-width: 1100px;
    margin-left: 8%;
    padding-top: var(--spacing-xl);
}

.philosophy-line {
    font-family: var(--font-family-headline);
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 400;
    line-height: 1.4;
    margin-bottom: var(--spacing-lg);
    white-space: nowrap;
}

.philosophy-word {
    display: inline-block;
    opacity: 0.15;
    filter: blur(5px);
    transition: opacity 0.5s ease-out,
                filter 0.5s ease-out;
    margin-right: 0.35em;
}

.philosophy-word.revealed {
    opacity: 1;
    filter: blur(0);
}

.philosophy-emphasis {
    font-weight: 600;
    color: var(--color-white);
    margin-top: var(--spacing-lg);
}

/* ===== Scroll Reveal Animation ===== */
.reveal-section {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal-section.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ===== How It Works Section ===== */
.how-it-works {
    padding: var(--spacing-2xl) var(--spacing-md);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.how-it-works-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.badge {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 400;
    padding: 0.6rem 1.2rem;
    border: 1px solid rgba(153, 186, 196, 0.4);
    border-radius: var(--border-radius-pill);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
}

.section-headline {
    font-family: var(--font-family-headline);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 500;
    margin-bottom: var(--spacing-xl);
}

.how-it-works-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: stretch;
}

.accordion-sidebar {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    align-self: start;
}

.accordion-item {
    border-bottom: 1px solid rgba(153, 186, 196, 0.2);
    padding-bottom: 0.5rem;
    position: relative;
}

.accordion-item::before {
    content: '';
    position: absolute;
    left: -16px;
    top: var(--spacing-sm);
    width: 3px;
    height: 0;
    background: var(--color-accent-light);
    border-radius: 2px;
    transition: height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.accordion-item.active::before {
    height: calc(100% - var(--spacing-sm));
}

.accordion-title {
    font-size: 1.05rem;
    font-weight: 400;
    cursor: pointer;
    padding: 0.5rem 0;
    color: var(--color-text-muted);
    transition: color 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                font-weight 0.3s ease,
                text-shadow 0.3s ease;
}

.accordion-title:hover {
    color: var(--color-text-primary);
    transform: translateX(4px);
}

.accordion-item.active .accordion-title {
    font-weight: 600;
    color: var(--color-white);
    transform: translateX(6px);
    text-shadow: 0 0 30px rgba(153, 186, 196, 0.3);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-10px);
    transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0.1s,
                transform 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0.1s,
                padding 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.accordion-item.active .accordion-content {
    max-height: 700px;
    padding-bottom: 0.5rem;
    opacity: 1;
    transform: translateY(0);
}

.accordion-content p {
    font-size: 1.05rem;
    line-height: 1.75;
    color: #C5CBD3;
}

.accordion-content p + p {
    margin-top: 0.5rem;
}

.accordion-content ul {
    margin: 0.5rem 0 0 1.25rem;
    padding: 0;
}
.accordion-content ul li {
    font-size: 1.05rem;
    line-height: 1.75;
    color: #C5CBD3;
    margin-top: 0.25rem;
}

.visual-card {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.visual-card-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transform: scale(1.02);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.visual-card-image.active {
    opacity: 1;
    transform: scale(1);
}

.visual-card-image .image-placeholder {
    height: 100%;
    aspect-ratio: unset;
}

.visual-card-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: var(--border-radius-lg);
}

/* ===== Section 5: Demo Scene ===== */
.demo-scene-section {
    padding: var(--spacing-2xl) var(--spacing-md);
    background-color: var(--color-bg-primary);
}

.demo-scene-container {
    max-width: 1200px;
    margin: 0 auto;
}

.demo-scene-headline {
    font-family: var(--font-family-headline);
    font-size: clamp(2rem, 4vw, 3.25rem);
    font-weight: 400;
    color: var(--color-white);
    line-height: 1.3;
    margin-bottom: var(--spacing-xl);
    letter-spacing: -0.02em;
}

.demo-scene-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.demo-scene-player {
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    position: relative;
}

.demo-scene-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(145deg, rgba(26, 58, 69, 0.6), rgba(11, 32, 40, 0.9));
    border: 1px solid rgba(153, 186, 196, 0.2);
    border-radius: var(--border-radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.demo-play-icon {
    width: 48px;
    height: 48px;
    opacity: 0.5;
}

.demo-scene-copy p {
    font-size: 1.05rem;
    line-height: 1.85;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.demo-scene-copy p:last-child {
    margin-bottom: 0;
    color: var(--color-white);
    font-weight: 400;
}

/* ===== Section 6: The Science ===== */
.science-section {
    padding: var(--spacing-2xl) var(--spacing-md);
    background-color: var(--color-bg-primary);
}

.science-container {
    max-width: 1200px;
    margin: 0 auto;
}

.science-headline {
    font-family: var(--font-family-headline);
    font-size: clamp(2rem, 4vw, 3.25rem);
    font-weight: 400;
    color: var(--color-white);
    line-height: 1.3;
    margin-bottom: var(--spacing-xl);
    letter-spacing: -0.02em;
}

.science-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.science-card {
    background-color: rgba(26, 58, 69, 0.4);
    border: 1px solid rgba(153, 186, 196, 0.15);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg) var(--spacing-md);
    position: relative;
}

.science-card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-accent-light);
}

.science-card-icon svg {
    width: 100%;
    height: 100%;
}

.science-card-title {
    font-family: var(--font-family-headline);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent-light);
    margin-bottom: var(--spacing-md);
}

.science-card-text {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text-muted);
}

/* ===== Research Quote Strip ===== */
.research-strip {
    padding: var(--spacing-xl) var(--spacing-md);
    border-top: 1px solid rgba(153, 186, 196, 0.1);
    border-bottom: 1px solid rgba(153, 186, 196, 0.1);
}

.research-strip-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.research-quote blockquote {
    font-family: var(--font-family-headline);
    font-size: 1.15rem;
    font-weight: 300;
    font-style: italic;
    line-height: 1.7;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.research-quote cite {
    font-style: normal;
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--color-accent-light);
    letter-spacing: 0.03em;
}

.research-divider {
    width: 1px;
    height: 80px;
    background-color: rgba(153, 186, 196, 0.2);
}

@media (max-width: 900px) {
    .research-strip-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
    }

    .research-divider {
        width: 60px;
        height: 1px;
        justify-self: center;
    }
}

@media (max-width: 600px) {
    .research-quote blockquote {
        font-size: 1.05rem;
    }
}

/* Thinking / Essays teaser */
.thinking-teaser {
    padding: var(--spacing-lg) var(--spacing-md);
    background-color: var(--color-bg-primary);
    border-top: 1px solid rgba(153, 186, 196, 0.08);
}

.thinking-teaser__inner {
    max-width: 680px;
    margin: 0 auto;
    text-align: center;
}

.thinking-teaser__text {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    margin: 0;
}

.thinking-teaser__link {
    color: var(--color-accent-light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.thinking-teaser__link:hover {
    color: var(--color-white);
}

/* ===== Section 7: Who This Is For ===== */
.fit-section {
    padding: var(--spacing-2xl) var(--spacing-md);
    background-color: var(--color-bg-primary);
}

.fit-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.fit-inner {
    max-width: 680px;
    width: 100%;
    margin-top: var(--spacing-xl);
    text-align: center;
    background-color: rgba(26, 58, 69, 0.3);
    border: 1px solid rgba(153, 186, 196, 0.12);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl) var(--spacing-lg);
}

.fit-heading {
    font-family: var(--font-family-headline);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 500;
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
}

.fit-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 0;
    margin: 0;
}

.fit-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    font-size: 1rem;
    line-height: 1.75;
    color: var(--color-text-muted);
    text-align: left;
    padding: 1rem var(--spacing-sm);
    border-left: 2px solid rgba(153, 186, 196, 0.25);
    transition: border-color 0.3s ease, color 0.3s ease;
}

.fit-list li:hover {
    border-left-color: var(--color-accent-light);
    color: var(--color-text-primary);
}

.fit-check-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    margin-top: 0.45em;
    color: var(--color-accent-light);
}

/* ===== Diagnostic CTA Section ===== */
.diagnostic-cta-section {
    padding: var(--spacing-2xl) var(--spacing-md);
    background-color: var(--color-bg-primary);
}

.diagnostic-cta-container {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.diagnostic-cta-rule {
    width: 60px;
    height: 1px;
    background-color: rgba(153, 186, 196, 0.3);
    margin: 0 auto var(--spacing-xl);
}

.diagnostic-cta-rule:last-child {
    margin: var(--spacing-xl) auto 0;
}

.diagnostic-cta-headline {
    font-family: var(--font-family-headline);
    font-size: clamp(1.25rem, 3.2vw, 1.85rem);
    font-weight: 300;
    color: var(--color-white);
    line-height: 1.35;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.01em;
    white-space: nowrap;
}

.diagnostic-cta-body {
    font-size: 1.05rem;
    line-height: 1.75;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

.diagnostic-cta-detail {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--color-accent-light);
    margin-bottom: var(--spacing-lg);
}

.diagnostic-cta-button {
    text-decoration: none;
    display: inline-block;
}

/* ===== Section 8: The Founder (mini) ===== */
.founder-mini-section {
    padding: var(--spacing-2xl) var(--spacing-md);
    background-color: var(--color-bg-primary);
}

.founder-mini-container {
    max-width: 1200px;
    margin: 0 auto;
}

.founder-mini-grid {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    align-items: start;
}

.founder-mini-photo {
    position: sticky;
    top: 120px;
}

.founder-mini-placeholder {
    width: 100%;
    aspect-ratio: 3 / 4;
    background: linear-gradient(145deg, rgba(26, 58, 69, 0.5), rgba(11, 32, 40, 0.8));
    border: 1px solid rgba(153, 186, 196, 0.2);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.founder-mini-img {
    width: 100%;
    height: auto;
    object-fit: cover;
    aspect-ratio: 3 / 4;
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(153, 186, 196, 0.2);
    display: block;
}

.founder-mini-name {
    font-family: var(--font-family-headline);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 500;
    color: var(--color-white);
    margin-bottom: 0.5rem;
}

.founder-mini-title {
    font-size: 1rem;
    color: var(--color-accent-light);
    font-weight: 400;
    letter-spacing: 0.02em;
    margin-bottom: var(--spacing-lg);
}

.founder-mini-body p {
    font-size: 1.05rem;
    line-height: 1.85;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.founder-mini-link {
    display: inline-block;
    margin-top: var(--spacing-sm);
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-accent-light);
    text-decoration: none;
    transition: color 0.3s ease, transform 0.3s ease;
}

.founder-mini-link:hover {
    color: var(--color-white);
    transform: translateX(4px);
}

/* ===== Pricing Section ===== */
.pricing {
    padding: var(--spacing-2xl) var(--spacing-md);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.pricing-container {
    max-width: 1300px;
    margin: 0 auto;
    width: 100%;
}

.pricing-headline {
    font-family: var(--font-family-headline);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 500;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    white-space: nowrap;
}

.offer-card {
    background-color: var(--color-accent-light);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-xl);
    color: var(--color-bg-primary);
}

.offer-left {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.offer-title {
    font-family: var(--font-family-headline);
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.offer-price {
    font-size: 3rem;
    font-weight: 700;
}

.offer-note {
    font-size: 1rem;
    color: rgba(11, 32, 40, 0.7);
}

.offer-note-emphasis {
    font-weight: 600;
    color: rgba(11, 32, 40, 0.95);
}

.offer-scarcity {
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: var(--spacing-md);
}

.offer-description {
    font-size: 0.95rem;
    color: rgba(11, 32, 40, 0.7);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.offer-left .cta-button {
    align-self: flex-start;
    margin-top: auto;
}

.offer-right {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.offer-includes-heading {
    font-family: var(--font-family-headline);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-bg-primary);
    margin-bottom: var(--spacing-md);
}

.features-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.features-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.15rem;
    font-weight: 400;
}

.check-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    color: var(--color-bg-primary);
}

/* Pricing diagnostic nudge */
.pricing-diagnostic-nudge {
    text-align: center;
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-lg);
}

.pricing-diagnostic-nudge a {
    color: var(--color-accent-light);
    text-decoration: none;
    transition: color 0.2s ease;
}

.pricing-diagnostic-nudge a:hover {
    color: var(--color-white);
    text-decoration: underline;
}

/* ===== Section 10: FAQ ===== */
.faq-section {
    padding: var(--spacing-2xl) var(--spacing-md);
    background-color: var(--color-bg-primary);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-list {
    margin-top: var(--spacing-xl);
    display: flex;
    flex-direction: column;
}

.faq-item {
    border-bottom: 1px solid rgba(153, 186, 196, 0.15);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    font-family: var(--font-family);
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-text-primary);
    transition: color 0.3s ease;
}

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

.faq-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    color: var(--color-text-muted);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0.05s;
}

.faq-item.active .faq-answer {
    max-height: 800px;
    opacity: 1;
}

.faq-answer p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text-muted);
    padding-bottom: var(--spacing-md);
}

.faq-answer ul {
    margin: 0 0 var(--spacing-md) 1.25rem;
    padding: 0;
}

.faq-answer ul li {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text-muted);
    margin-bottom: 0.35rem;
}

/* ===== Section 11: Final CTA ===== */
.final-cta-section {
    padding: var(--spacing-2xl) var(--spacing-md);
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-color: var(--color-bg-primary);
}

.final-cta-container {
    max-width: 900px;
    margin: 0 auto;
}

.final-cta-headline {
    font-family: var(--font-family-headline);
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 300;
    color: var(--color-white);
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-md);
}

.final-cta-subheadline {
    font-family: var(--font-family-headline);
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 500;
    color: var(--color-accent-light);
    margin-bottom: var(--spacing-xl);
    letter-spacing: -0.01em;
}

.final-cta-button {
    opacity: 1;
    animation: none;
}

.final-cta-note {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-sm);
    font-weight: 400;
    letter-spacing: 0.04em;
}

/* ===== Modal ===== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(11, 32, 40, 0.95);
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

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

.modal-overlay-inner {
    min-height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg) var(--spacing-md);
}

.modal {
    background-color: var(--color-bg-primary);
    border: 1px solid rgba(153, 186, 196, 0.3);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    max-width: 900px;
    width: 100%;
    position: relative;
    transform: translateY(20px);
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    margin: var(--spacing-md) 0;
}

.modal-overlay.active .modal {
    transform: translateY(0);
}

.modal-close {
    position: sticky;
    top: 0;
    float: right;
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 2rem;
    cursor: pointer;
    line-height: 1;
    transition: color 0.3s ease;
    z-index: 1;
}

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

.modal-title {
    font-family: var(--font-family-headline);
    font-size: 1.75rem;
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-primary);
}

.modal-form {
    display: block;
}

.modal-form .form-group {
    margin-bottom: var(--spacing-sm);
}

.modal-form .checkbox-group {
    margin-top: 0.25rem;
}

.modal-confirmation {
    display: none;
    text-align: center;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

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

.form-row .form-group {
    margin-bottom: 0;
}

.form-group > label {
    display: block;
    font-size: 0.95rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.9rem 1rem;
    background-color: rgba(26, 58, 69, 0.5);
    border: 1px solid rgba(153, 186, 196, 0.3);
    border-radius: var(--border-radius-md);
    color: var(--color-text-primary);
    font-family: var(--font-family);
    font-size: 1rem;
    transition: border-color 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent-light);
    background-color: rgba(26, 58, 69, 0.7);
    box-shadow: 0 0 20px rgba(153, 186, 196, 0.25);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-hint {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
    opacity: 0.8;
}

/* Checkbox & Radio Groups */
.checkbox-group,
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: var(--spacing-xs);
}

.checkbox-label,
.radio-label {
    display: flex;
    flex-direction: row;
    align-items: center;
    flex-wrap: nowrap;
    gap: 0.75rem;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--color-text-primary);
    padding: 0.5rem 0;
    transition: color 0.2s ease;
    position: relative;
}

.checkbox-label:hover,
.radio-label:hover {
    color: var(--color-white);
}

.checkbox-label input[type="checkbox"],
.radio-label input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

.checkbox-custom,
.radio-custom {
    width: 20px;
    height: 20px;
    border: 1px solid rgba(153, 186, 196, 0.5);
    background-color: rgba(26, 58, 69, 0.3);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.checkbox-custom {
    border-radius: var(--border-radius-sm);
}

.radio-custom {
    border-radius: 50%;
}

.checkbox-label:hover .checkbox-custom,
.radio-label:hover .radio-custom {
    border-color: var(--color-accent-light);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom,
.radio-label input[type="radio"]:checked + .radio-custom {
    background-color: var(--color-accent-light);
    border-color: var(--color-accent-light);
    box-shadow: 0 0 10px rgba(153, 186, 196, 0.3);
}

.checkbox-custom::after {
    content: '';
    width: 10px;
    height: 6px;
    border: 2px solid var(--color-bg-primary);
    border-top: none;
    border-right: none;
    transform: rotate(-45deg) translateY(-1px);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom::after {
    opacity: 1;
}

.radio-custom::after {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--color-bg-primary);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.radio-label input[type="radio"]:checked + .radio-custom::after {
    opacity: 1;
}

/* Other input inline */
.checkbox-other,
.radio-other {
    flex-wrap: wrap;
}

.other-input {
    flex: 1;
    min-width: 150px;
    max-width: 250px;
    padding: 0.5rem 0.75rem;
    background-color: rgba(26, 58, 69, 0.5);
    border: 1px solid rgba(153, 186, 196, 0.3);
    border-radius: var(--border-radius-sm);
    color: var(--color-text-primary);
    font-family: var(--font-family);
    font-size: 0.9rem;
    margin-left: 0.5rem;
    transition: border-color 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
}

.other-input:focus {
    outline: none;
    border-color: var(--color-accent-light);
    background-color: rgba(26, 58, 69, 0.7);
    box-shadow: 0 0 15px rgba(153, 186, 196, 0.2);
}

.other-input::placeholder {
    color: var(--color-text-muted);
    opacity: 0.6;
}

.form-submit {
    width: 100%;
    margin-top: var(--spacing-sm);
}

.confirmation-icon {
    width: 80px;
    height: 80px;
    border: 2px solid var(--color-accent-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--color-accent-light);
    margin: 0 auto var(--spacing-lg);
}

.confirmation-message {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* ===== Footer ===== */
.footer {
    padding: var(--spacing-xl) var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid rgba(153, 186, 196, 0.15);
    margin-top: var(--spacing-xl);
}

.footer-container {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    width: 100%;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.footer-logo {
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--color-accent-light);
}

.footer-tagline {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

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

.footer-links a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--color-text-primary);
}

.footer-disclaimer {
    padding: var(--spacing-md) 0;
    border-top: 1px solid rgba(153, 186, 196, 0.1);
    margin-top: var(--spacing-md);
}

.footer-disclaimer p {
    font-size: 0.8rem;
    color: rgba(229, 231, 235, 0.5);
    line-height: 1.6;
    max-width: 700px;
}

.footer-disclaimer p + p {
    margin-top: var(--spacing-xs);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(153, 186, 196, 0.1);
}

.footer-copyright {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.footer-legal {
    display: flex;
    gap: var(--spacing-md);
}

.footer-legal a {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-legal a:hover {
    color: var(--color-text-primary);
}

/* ===== Responsive Design ===== */

/* Tablet */
@media (max-width: 1024px) {
    .hero-headline {
        white-space: normal;
        font-size: clamp(2rem, 5vw, 3.5rem);
    }
    
    .pricing-headline {
        white-space: normal;
    }
    
    .pricing-container {
        max-width: 100%;
    }
}

@media (max-width: 900px) {
    .contrast-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .contrast-divider {
        width: 100%;
        height: 1px;
        align-self: auto;
    }
    
    .hero-video-float {
        width: 90%;
    }
    
    .demo-scene-grid {
        grid-template-columns: 1fr;
    }
    
    .demo-scene-player {
        order: -1;
    }
    
    .science-grid {
        gap: var(--spacing-sm);
    }
    
    .founder-mini-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .founder-mini-photo {
        position: static;
        max-width: 280px;
    }
    
    .problem-boxes {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }
    
    .problem-box {
        max-width: 100%;
        min-width: unset;
    }
    
    .problem-arrow {
        transform: rotate(90deg);
        padding: 0.5rem 0;
    }
    
    .how-it-works-grid {
        grid-template-columns: 1fr;
    }
    
    .visual-card {
        order: -1;
        height: 400px;
        min-height: 0;
    }
    
    .offer-card {
        grid-template-columns: 1fr;
    }
    
    .section-headline {
        font-size: clamp(2rem, 4vw, 3rem);
    }
    
    .accordion-title {
        font-size: 1rem;
    }
    
    .accordion-content p,
    .accordion-content ul li {
        font-size: 1rem;
    }
}

/* Mobile */
@media (max-width: 600px) {
    :root {
        --spacing-md: 1.5rem;
        --spacing-lg: 2.5rem;
        --spacing-xl: 4rem;
        --spacing-2xl: 6rem;
    }

    .diagnostic-cta-headline {
        white-space: normal;
    }
    
    .header {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .header-container {
        flex-direction: row;
        gap: var(--spacing-sm);
    }
    
    .nav-desktop {
        display: none !important;
    }
    
    .nav-mobile {
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }
    
    .logo {
        flex: 1;
        min-width: 0;
    }
    
    .logo-text {
        font-size: 1rem;
    }
    
    .logo-tagline {
        font-size: 0.65rem;
    }
    
    .hero {
        padding: calc(88px + var(--spacing-md)) var(--spacing-sm) 0;
    }
    
    .hero-headline {
        font-size: clamp(1.75rem, 7vw, 2.5rem);
        white-space: normal;
        line-height: 1.3;
    }
    
    .hero-subheadline {
        font-size: clamp(1rem, 4vw, 1.2rem);
        line-height: 1.6;
    }
    
    .cta-button {
        font-size: 0.9rem;
        padding: 0.9rem 1.5rem;
    }
    
    .hero-video-float {
        width: 95%;
    }
    
    .problem-section {
        padding: var(--spacing-xl) var(--spacing-sm);
        padding-top: 16rem;
    }
    
    .problem-headline {
        font-size: clamp(1.75rem, 5vw, 2.5rem);
    }
    
    .science-grid {
        grid-template-columns: 1fr;
    }
    
    .fit-inner {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .philosophy {
        padding: var(--spacing-xl) var(--spacing-sm);
    }
    
    .philosophy-content {
        margin-left: 0;
        padding-top: var(--spacing-md);
    }
    
    .philosophy-line {
        font-size: clamp(1.3rem, 5vw, 1.8rem);
        white-space: normal;
        margin-bottom: var(--spacing-md);
    }
    
    .how-it-works {
        padding: var(--spacing-2xl) var(--spacing-md);
        min-height: auto;
    }
    
    .section-headline {
        font-size: clamp(1.75rem, 6vw, 2.5rem);
    }
    
    .badge {
        font-size: 0.75rem;
        padding: 0.4rem 0.8rem;
    }
    
    .accordion-title {
        font-size: 0.95rem;
        padding: 0.4rem 0;
    }
    
    .accordion-content p,
    .accordion-content ul li {
        font-size: 0.95rem;
    }
    
    .visual-card {
        height: 340px;
        min-height: 0;
    }
    
    .pricing {
        padding: var(--spacing-xl) var(--spacing-sm);
        min-height: auto;
    }
    
    .pricing-headline {
        font-size: clamp(1.5rem, 5vw, 2rem);
        white-space: normal;
    }
    
    .offer-card {
        padding: var(--spacing-md);
        gap: var(--spacing-lg);
    }
    
    .offer-title {
        font-size: 1.75rem;
    }
    
    .offer-price {
        font-size: 2.25rem;
    }
    
    .offer-note,
    .offer-scarcity {
        font-size: 0.9rem;
    }
    
    .features-list {
        gap: var(--spacing-sm);
    }
    
    .features-list li {
        font-size: 0.95rem;
    }
    
    .check-icon {
        width: 20px;
        height: 20px;
    }
    
    .footer {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
    
    .footer-top {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: center;
        text-align: center;
    }
    
    .footer-brand {
        align-items: center;
    }
    
    .footer-links {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
    
    .footer-legal {
        justify-content: center;
    }
    
    /* Modal mobile */
    .modal {
        padding: var(--spacing-md);
        max-width: 100%;
        margin: var(--spacing-sm);
        max-height: 90vh;
        overflow-y: auto;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .form-row .form-group {
        margin-bottom: var(--spacing-md);
    }
    
    .form-row .form-group:last-child {
        margin-bottom: 0;
    }
    
    .modal-title {
        font-size: 1.4rem;
    }
    
    .form-group label {
        font-size: 0.9rem;
    }
    
    .form-group input,
    .form-group textarea {
        font-size: 16px; /* Prevents zoom on iOS */
        padding: 0.8rem;
    }
}

/* Small mobile */
@media (max-width: 400px) {
    .hero-headline {
        font-size: 1.5rem;
    }
    
    .hero-subheadline {
        font-size: 0.95rem;
    }
    
    .philosophy-line {
        font-size: 1.2rem;
    }
    
    .offer-title {
        font-size: 1.5rem;
    }
    
    .offer-price {
        font-size: 2rem;
    }
}