:root {
            --bg-dark: #000000;
            --text-primary: #ffffff;
            --text-secondary: #ffffff;
            --accent: #ffffff;
        }

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

        body {
            font-family: 'Archivo', sans-serif;
            background: #000000;
            color: var(--text-primary);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            position: relative;
        }

        /* Floating stars background */
        .stars-container {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 50;
            overflow: hidden;
        }

        .star {
            position: absolute;
            background: rgba(255, 255, 255, 0.9);
            border-radius: 50%;
            animation: float linear infinite;
            box-shadow: 0 0 3px 1px rgba(255, 255, 255, 0.3);
        }

        .star.bright {
            box-shadow: 0 0 4px 1px rgba(255, 255, 255, 0.4);
        }

        @keyframes float {
            0% {
                transform: translateY(0) translateX(0);
                opacity: 0;
            }

            5% {
                opacity: var(--star-opacity, 0.8);
            }

            95% {
                opacity: var(--star-opacity, 0.8);
            }

            100% {
                transform: translateY(-100vh) translateX(var(--drift));
                opacity: 0;
            }
        }

        @keyframes twinkle {
            0%,
            100% {
                opacity: 0.5;
                transform: scale(1);
            }

            50% {
                opacity: 1;
                transform: scale(1.2);
            }
        }

        /* Sticky Header */
        .sticky-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 24px 20px;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.4s ease;
        }

        .sticky-header.visible {
            opacity: 1;
            pointer-events: auto;
        }

        .sticky-header-content {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0;
        }

        .sticky-waitlist-btn {
            position: absolute;
            right: 32px;
            top: 50%;
            transform: translateY(-50%);
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--text-primary);
            padding: 12px 28px;
            font-family: 'Archivo', sans-serif;
            font-size: 14px;
            font-weight: 400;
            letter-spacing: 0.08em;
            text-transform: lowercase;
            cursor: pointer;
            transition: background-color 0.3s ease, color 0.3s ease;
            white-space: nowrap;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.4s ease, background-color 0.3s ease, color 0.3s ease;
        }

        .sticky-header.visible .sticky-waitlist-btn {
            opacity: 1;
            pointer-events: auto;
        }

        .sticky-waitlist-btn:hover {
            background: var(--text-primary);
            color: var(--bg-dark);
        }

        .sticky-waitlist-btn:active {
            transform: translateY(-50%) scale(0.98);
        }

        .sticky-header-text {
            font-family: 'Instrument Serif', serif;
            font-size: 42px;
            font-weight: 400;
            letter-spacing: 0.05em;
            color: var(--text-primary);
            line-height: 1;
        }

        .sticky-subtext {
            font-size: clamp(14px, 2vw, 20px);
            font-weight: 300;
            letter-spacing: 0.12em;
            color: var(--text-secondary);
            margin-top: 16px;
            line-height: 1;
            text-align: center;
            padding: 0 20px;
            white-space: nowrap;
        }

        @media (max-width: 768px) {
            .sticky-header {
                padding: 50px 20px;
            }

            .sticky-header-text {
                font-size: 38px;
            }

            .sticky-subtext {
                font-size: clamp(14px, 3vw, 18px);
                letter-spacing: 0.1em;
                margin-top: 14px;
            }

            .sticky-waitlist-btn {
                display: none;
            }

            .hero-waitlist-btn {
                top: calc(50% - 50px + clamp(200px, 24vw, 260px));
                font-size: 15px;
                padding: 14px 36px;
            }
        }

        @media (max-width: 480px) {
            .sticky-header {
                padding: 50px 20px 16px 20px;
            }

            .sticky-header-text {
                font-size: 32px;
            }

            .sticky-subtext {
                font-size: clamp(13px, 3.5vw, 16px);
                letter-spacing: 0.08em;
                margin-top: 10px;
            }

            .hero-waitlist-btn {
                top: calc(50% - 40px + clamp(200px, 28vw, 260px));
                font-size: 14px;
                padding: 12px 32px;
            }
        }

        /* Hero Section */
        .hero-section {
            position: relative;
            height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }

        /* Background grain effect */
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            pointer-events: none;
        }

        .hero-content {
            text-align: center;
            position: relative;
            z-index: 10;
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .hero-headline {
            font-family: 'Instrument Serif', serif;
            font-size: clamp(64px, 12vw, 80px);
            font-weight: 400;
            letter-spacing: 0.02em;
            line-height: 1;
            position: fixed;
            top: calc(50% - 60px);
            left: 50%;
            transform: translate(-50%, -50%);
            transform-origin: center center;
            z-index: 999;
            will-change: font-size, top, opacity;
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0;
        }

        .hero-word {
            display: block;
            transition: all 0.1s linear;
            will-change: transform, letter-spacing;
        }

        .hero-subtext {
            font-size: clamp(14px, 2vw, 20px);
            font-weight: 300;
            letter-spacing: 0.12em;
            color: var(--text-secondary);
            opacity: 0;
            position: fixed;
            top: calc(50% - 60px);
            left: 0;
            right: 0;
            transform: translateY(-50%);
            z-index: 1000;
            margin-top: clamp(160px, 18vw, 220px);
            will-change: margin-top, opacity;
            text-align: center;
            padding: 0 20px;
            white-space: nowrap;
        }

        .hero-waitlist-btn {
            position: absolute;
            top: calc(50% - 60px + clamp(220px, 26vw, 300px));
            left: 50%;
            transform: translateX(-50%);
            z-index: 10;
            background: var(--text-primary);
            color: var(--bg-dark);
            border: 1px solid var(--text-primary);
            padding: 16px 40px;
            font-family: 'Archivo', sans-serif;
            font-size: 16px;
            font-weight: 400;
            letter-spacing: 0.08em;
            text-transform: lowercase;
            cursor: pointer;
            transition: background-color 0.3s ease, color 0.3s ease;
            white-space: nowrap;
        }

        .hero-waitlist-btn:hover {
            background: transparent;
            color: var(--text-primary);
        }

        .hero-waitlist-btn:active {
            transform: translateX(-50%) scale(0.98);
        }

        @media (max-width: 768px) {
            .hero-headline {
                font-size: clamp(56px, 12vw, 80px);
            }

            .hero-subtext {
                font-size: clamp(14px, 3vw, 18px);
                margin-top: clamp(140px, 16vw, 180px);
                letter-spacing: 0.1em;
            }
        }

        @media (max-width: 480px) {
            .hero-headline {
                font-size: clamp(44px, 11vw, 60px);
            }

            .hero-subtext {
                font-size: clamp(13px, 3.5vw, 16px);
                margin-top: clamp(120px, 14vw, 150px);
                letter-spacing: 0.08em;
            }
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Content Sections */
        .content-section {
            min-height: 100vh;
            padding: 15vh 8vw;
            display: flex;
            flex-direction: column;
            justify-content: center;
            position: relative;
        }

        /* Content Section 1 - with black-and-white background image */
        .content-section-1 {
            background-image: url('../images/intro_bg.jpg');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            filter: grayscale(100%);
            position: relative;
            z-index: 20;
        }

        .content-section-1::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.65);
            z-index: 1;
        }

        .content-section-1 .content-block {
            position: relative;
            z-index: 60;
        }

        .content-block {
            max-width: 900px;
            margin: 0 auto;
            opacity: 0;
            transform: translateY(60px);
            transition: opacity 1.2s ease, transform 1.2s ease;
        }

        .content-block.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .content-block h2 {
            font-family: 'Instrument Serif', serif;
            font-size: clamp(42px, 6vw, 72px);
            font-weight: 400;
            line-height: 1.2;
            margin-bottom: 60px;
            letter-spacing: 0.01em;
        }

        .content-block p {
            font-size: clamp(16px, 2.2vw, 24px);
            font-weight: 300;
            line-height: 1.8;
            color: var(--text-secondary);
            margin-bottom: 40px;
            letter-spacing: 0.01em;
        }

        .content-block .emphasis {
            color: var(--text-primary);
            font-style: italic;
        }

        /* Manifesto Sectional Scroll */
        .manifesto-scroll-wrapper {
            height: 300vh;
            position: relative;
        }

        .manifesto-section {
            height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            position: sticky;
            top: 0;
            overflow: hidden;
            padding: 0 5vw;
            z-index: 60;
        }

        .manifesto-carousel-container {
            position: relative;
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            gap: 60px;
            align-items: center;
            z-index: 60;
        }

        .manifesto-sidebar {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 30px;
        }

        .manifesto-nav-item {
            cursor: pointer;
            padding: 20px 0;
            border-left: 2px solid rgba(255, 255, 255, 0.2);
            padding-left: 20px;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            opacity: 0.5;
        }

        .manifesto-nav-item:hover {
            opacity: 0.8;
            border-left-color: rgba(255, 255, 255, 0.4);
        }

        .manifesto-nav-item.active {
            opacity: 1;
            border-left-color: rgba(255, 255, 255, 1);
            border-left-width: 3px;
        }

        .manifesto-nav-item h3 {
            font-family: 'Instrument Serif', serif;
            font-size: 32px;
            font-weight: 400;
            letter-spacing: 0.01em;
            line-height: 1.2;
            color: var(--text-primary);
            margin: 0 0 8px 0;
            transition: font-size 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .manifesto-nav-item p {
            font-size: 18px;
            line-height: 1.5;
            color: var(--text-secondary);
            font-weight: 300;
            letter-spacing: 0.01em;
            margin: 0;
            max-width: 800px;
            transition: opacity 0.4s ease, max-height 0.4s ease, margin 0.4s ease;
        }

        .manifesto-display {
            flex: 0 0 300px;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        .manifesto-screen-wrapper {
            position: relative;
            width: 100%;
            max-width: 300px;
            min-height: 400px;
        }

        .manifesto-screen {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            opacity: 0;
            transform: scale(0.95) translateY(10px);
            transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1), 
                        transform 0.5s cubic-bezier(0.4, 0, 0.2, 1),
                        visibility 0s linear 0.5s;
            pointer-events: none;
            visibility: hidden;
        }

        .manifesto-screen.active {
            opacity: 1;
            transform: scale(1) translateY(0);
            visibility: visible;
            pointer-events: auto;
            transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1), 
                        transform 0.5s cubic-bezier(0.4, 0, 0.2, 1),
                        visibility 0s linear 0s;
        }

        .manifesto-phone-frame {
            width: 100%;
        }

        .manifesto-phone-frame {
            position: relative;
            width: 100%;
            height: auto;
            border-radius: 30px 30px 0 0;
            overflow: hidden;
            background: transparent;
            transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .manifesto-phone-screen {
            width: 100%;
            height: auto;
            object-fit: cover;
            object-position: top;
            display: block;
            border-radius: 30px 30px 0 0;
            overflow: hidden;
            mask-image: linear-gradient(to bottom,
                    rgba(0, 0, 0, 1) 0%,
                    rgba(0, 0, 0, 1) 50%,
                    rgba(0, 0, 0, 0.8) 70%,
                    rgba(0, 0, 0, 0.4) 85%,
                    rgba(0, 0, 0, 0) 100%);
            -webkit-mask-image: linear-gradient(to bottom,
                    rgba(0, 0, 0, 1) 0%,
                    rgba(0, 0, 0, 1) 50%,
                    rgba(0, 0, 0, 0.8) 70%,
                    rgba(0, 0, 0, 0.4) 85%,
                    rgba(0, 0, 0, 0) 100%);
        }

        /* Final Section */
        .final-section {
            min-height: 80vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 10vh 8vw;
            flex-direction: column;
            background-image: url('../images/waitlist_bg.jpg');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            position: relative;
            z-index: 30;
        }

        .final-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.65);
            z-index: 1;
        }

        .final-section .final-content,
        .final-section .waitlist-form {
            position: relative;
            z-index: 60;
        }

        .final-content {
            text-align: center;
            opacity: 0;
            transform: translateY(40px);
            transition: opacity 1.2s ease, transform 1.2s ease;
            margin-bottom: 80px;
        }

        .final-content.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .final-content h2 {
            font-family: 'Instrument Serif', serif;
            font-size: clamp(36px, 5vw, 64px);
            font-weight: 400;
            margin-bottom: 30px;
            letter-spacing: 0.02em;
        }

        .final-content p {
            font-size: clamp(14px, 2vw, 20px);
            font-weight: 300;
            color: var(--text-secondary);
            letter-spacing: 0.12em;
            margin-bottom: 60px;
        }

        /* Waitlist Form */
        .waitlist-form {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 1.2s ease 0.3s, transform 1.2s ease 0.3s;
            max-width: 500px;
            width: 100%;
        }

        .waitlist-form.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .form-group {
            display: flex;
            gap: 12px;
            margin-bottom: 20px;
        }

        .waitlist-input {
            flex: 1;
            background: transparent;
            border: 1px solid var(--text-secondary);
            color: var(--text-primary);
            padding: 16px 24px;
            font-family: 'Archivo', sans-serif;
            font-size: 16px;
            font-weight: 300;
            letter-spacing: 0.02em;
            outline: none;
            transition: border-color 0.3s ease, background-color 0.3s ease;
        }

        .waitlist-input::placeholder {
            color: var(--text-secondary);
            opacity: 0.6;
        }

        .waitlist-input:focus {
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.02);
        }

        .waitlist-submit {
            background: var(--text-primary);
            color: var(--bg-dark);
            border: 1px solid var(--text-primary);
            padding: 16px 40px;
            font-family: 'Archivo', sans-serif;
            font-size: 16px;
            font-weight: 400;
            letter-spacing: 0.08em;
            text-transform: lowercase;
            cursor: pointer;
            transition: background-color 0.3s ease, color 0.3s ease;
            white-space: nowrap;
        }

        .waitlist-submit:hover {
            background: transparent;
            color: var(--text-primary);
        }

        .waitlist-submit:active {
            transform: scale(0.98);
        }

        .form-message {
            font-size: 14px;
            font-weight: 300;
            letter-spacing: 0.05em;
            text-align: center;
            margin-top: 16px;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .form-message.visible {
            opacity: 1;
        }

        .form-message.success {
            color: var(--text-primary);
        }

        .form-message.error {
            color: #ff6b6b;
        }

        /* Decorative elements */
        .decorative-line {
            width: 1px;
            height: 120px;
            background: linear-gradient(to bottom, transparent, var(--text-secondary), transparent);
            margin: 80px auto;
            opacity: 0;
            animation: fadeIn 1.5s ease forwards;
            animation-delay: 1s;
        }

        @keyframes fadeIn {
            to {
                opacity: 0.4;
            }
        }

        /* Responsive adjustments */
        @media (max-width: 768px) {
            .sticky-header {
                height: 60px;
            }

            .sticky-header-text {
                font-size: 36px;
            }

            .content-section {
                padding: 12vh 6vw;
            }

            .manifesto-section {
                padding: 4vh 4vw 0;
                align-items: stretch;
            }

            .manifesto-carousel-container {
                flex-direction: column;
                height: 100%;
                gap: 0;
                align-items: center;
                justify-content: flex-start;
                padding-top: 12vh;
            }

            /* Screenshot area: fills available space above text */
            .manifesto-display {
                flex: 1;
                min-height: 0;
                order: 1;
                width: 100%;
                display: flex;
                align-items: center;
                justify-content: center;
                padding-bottom: 16px;
            }

            .manifesto-screen-wrapper {
                width: 100%;
                height: 100%;
                min-height: 0;
                display: flex;
                align-items: center;
                justify-content: center;
            }

            .manifesto-phone-frame {
                height: 100%;
                display: flex;
                justify-content: center;
                align-items: center;
            }

            .manifesto-phone-screen {
                max-height: 100%;
                max-width: 85vw;
                width: auto;
                height: auto;
                object-fit: contain;
            }

            /* Text anchored to bottom */
            .manifesto-sidebar {
                width: 100%;
                flex: 0 0 auto;
                gap: 14px;
                order: 2;
                padding: 20px 0;
                padding-bottom: max(1.5rem, env(safe-area-inset-bottom));
                background: linear-gradient(to top, 
                    rgba(0, 0, 0, 0.9) 0%, 
                    rgba(0, 0, 0, 0.85) 50%,
                    rgba(0, 0, 0, 0.3) 100%);
            }

            .manifesto-nav-item {
                padding: 12px 16px;
                display: block;
                width: 100%;
                cursor: pointer;
                transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            }

            /* On mobile: show only header by default; show subtext when item is active */
            .manifesto-nav-item p {
                display: block;
                font-size: clamp(17px, 2.2vw, 20px);
                line-height: 1.6;
                margin-top: 0;
                max-height: 0;
                opacity: 0;
                overflow: hidden;
                transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), 
                            opacity 0.3s ease,
                            margin-top 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            }

            .manifesto-nav-item.active p {
                max-height: 150px;
                opacity: 1;
                margin-top: 10px;
            }

            /* Unselected: smaller header; active: larger for emphasis */
            .manifesto-nav-item h3 {
                font-size: clamp(20px, 2.8vw, 24px);
                transition: font-size 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            }

            .manifesto-nav-item.active h3 {
                font-size: clamp(26px, 3.5vw, 32px);
            }

            .decorative-line {
                height: 80px;
                margin: 60px auto;
            }

            .form-group {
                flex-direction: column;
            }

            .waitlist-submit {
                width: 100%;
            }
        }

        @media (max-width: 480px) {
            .content-section {
                padding: 10vh 5vw;
            }

            .manifesto-section {
                padding: 3vh 3vw 0;
            }

            .manifesto-sidebar {
                gap: 12px;
                padding: 16px 0;
            }

            .manifesto-nav-item {
                padding: 10px 12px;
            }

            .manifesto-nav-item h3 {
                font-size: 20px;
            }

            .manifesto-nav-item.active h3 {
                font-size: 24px;
            }

            .manifesto-nav-item p {
                font-size: 17px;
                line-height: 1.6;
            }

            .manifesto-nav-item.active p {
                max-height: 180px;
            }

            .manifesto-carousel-container {
                padding-top: 10vh;
            }

            .manifesto-display {
                padding-bottom: 12px;
            }

            .manifesto-phone-screen {
                max-width: 80vw;
            }

            .manifesto-screen-wrapper {
                max-height: 42vh;
            }

            .manifesto-phone-frame,
            .manifesto-phone-screen {
                max-height: 42vh;
            }

            .waitlist-input,
            .waitlist-submit {
                padding: 14px 20px;
                font-size: 15px;
            }
        }

        /* Smooth scrolling */
        html {
            scroll-behavior: smooth;
        }