:root {
    --primary-color: #a855f7;
    --secondary-color: #ec4899;
    --accent-color: #8b5cf6;
    --background-color: #0a0a1f;
    --surface-color: #111133;
    --text-color: #f0f0f0;
    --text-secondary: #b8b8d1;
    --font-title: 'Orbitron', sans-serif;
    --font-body: 'Poppins', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background: linear-gradient(135deg, #0a0a1f 0%, #1a0a2e 50%, #16213e 100%);
    background-attachment: fixed;
    color: var(--text-color);
    font-family: var(--font-body);
    overflow-x: hidden;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(168, 85, 247, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(236, 72, 153, 0.15) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 2;
}

.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

#tsparticles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-content {
    z-index: 1;
    animation: fadeIn 1s ease-out 0.5s forwards, float 6s ease-in-out infinite;
    opacity: 0;
    transform-style: preserve-3d;
}

.subtitle {
    font-size: 1.3rem;
    font-weight: 300;
    color: var(--text-secondary);
    margin-top: 1rem;
    letter-spacing: 2px;
    text-shadow: 0 0 10px rgba(168, 85, 247, 0.5);
    background: linear-gradient(90deg, #ffffff 0%, var(--primary-color) 50%, #ffffff 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shine 3s linear infinite;
}

.main-question {
    font-family: var(--font-title);
    font-size: clamp(1.8rem, 5vw, 3rem);
    font-weight: 700;
    margin-top: 2rem;
    margin-bottom: 2.5rem;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color), var(--accent-color));
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 20px rgba(168, 85, 247, 0.6));
    animation: pulse 2s infinite, gradient-shift 3s ease infinite;
}

.cta-button {
    font-family: var(--font-title);
    font-size: clamp(1rem, 2vw, 1.2rem);
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    background-size: 200% 200%;
    padding: 18px 45px;
    border-radius: 50px;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 2px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 
        0 0 20px rgba(168, 85, 247, 0.4),
        0 0 40px rgba(168, 85, 247, 0.2),
        inset 0 0 20px rgba(255, 255, 255, 0.1);
    animation: gradient-shift 3s ease infinite;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.cta-button:hover::before {
    width: 300px;
    height: 300px;
}

.cta-button:hover {
    transform: scale(1.08) translateY(-5px);
    box-shadow: 
        0 0 30px rgba(168, 85, 247, 0.6),
        0 0 60px rgba(168, 85, 247, 0.4),
        0 10px 30px rgba(0, 0, 0, 0.3);
}

.cta-button:active {
    transform: scale(1.02) translateY(-2px);
}

.glitch {
    font-family: var(--font-title);
    font-size: clamp(2.5rem, 8vw, 7rem);
    font-weight: 900;
    position: relative;
    color: white;
    letter-spacing: 0.05em;
    animation: glitch-skew 1s infinite linear alternate-reverse;
    word-wrap: break-word;
    max-width: 95vw;
    filter: drop-shadow(0 0 30px rgba(168, 85, 247, 0.8));
    transform: translateZ(50px);
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
    overflow: hidden;
}

.glitch::before {
    left: 3px;
    text-shadow: -3px 0 var(--primary-color);
    animation: glitch-anim-1 2s infinite linear alternate-reverse;
}

.glitch::after {
    left: -3px;
    text-shadow: -3px 0 var(--secondary-color);
    animation: glitch-anim-2 2s infinite linear alternate-reverse;
}

.scroll-down {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 5;
    width: 30px;
    height: 50px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 25px;
}

.scroll-down span {
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 10px;
    background: var(--primary-color);
    border-radius: 2px;
    animation: scroll-anim 2s infinite;
    box-shadow: 0 0 5px var(--primary-color);
}

main {
    background: linear-gradient(180deg, var(--background-color) 0%, #050505 50%, var(--background-color) 100%);
}

.content-section {
    padding: 7rem 0;
    position: relative;
}

.content-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    opacity: 0.3;
}

.section-title {
    font-family: var(--font-title);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 2rem;
    background: linear-gradient(135deg, white, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 15px rgba(168, 85, 247, 0.5));
    animation: float 4s ease-in-out infinite;
}

.section-intro {
    font-size: clamp(1rem, 2vw, 1.2rem);
    line-height: 1.8;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem auto;
    color: var(--text-secondary);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

#what-changes {
    background: rgba(17, 17, 51, 0.3);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(168, 85, 247, 0.2);
    border-bottom: 1px solid rgba(168, 85, 247, 0.2);
}

.changes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-top: 4rem;
    perspective: 1000px;
}

.change-card {
    background: linear-gradient(145deg, #1a1a1a, #111);
    padding: 2.5rem;
    border: 1px solid #222;
    border-radius: 12px;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    position: relative;
    overflow: hidden;
}

.change-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(transparent, var(--primary-color), transparent 30%);
    transform-origin: center;
    animation: rotate 6s linear infinite;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.change-card:hover::before {
    opacity: 1;
}

.change-card:hover {
    transform: translateY(-10px);
}

.change-card > * {
    position: relative;
    z-index: 2;
}

.change-card::after {
    content: '';
    position: absolute;
    inset: 2px;
    background: #141414;
    border-radius: 10px;
    z-index: 1;
}


.change-card h4 {
    font-family: var(--font-title);
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    text-shadow: 0 0 5px var(--primary-color);
}

.change-card p {
    font-size: 1rem;
    line-height: 1.7;
    color: #bbb;
}

.footer {
    padding: 5rem 0;
    text-align: center;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--secondary-color), transparent);
    opacity: 0.3;
}

.footer-thanks {
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto 2rem auto;
    line-height: 1.7;
    color: #ccc;
}

.footer-journey {
    font-family: var(--font-title);
    font-size: 1.8rem;
    font-weight: 700;
    color: white;
}

.fade-in {
    opacity: 0;
    animation: fadeIn 1.5s ease-out 1s forwards;
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

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

@keyframes pulse {
    0% { text-shadow: 0 0 8px var(--primary-color), 0 0 18px var(--primary-color); }
    50% { text-shadow: 0 0 18px var(--primary-color), 0 0 35px var(--primary-color); }
    100% { text-shadow: 0 0 8px var(--primary-color), 0 0 18px var(--primary-color); }
}

@keyframes glitch-skew {
    0% { transform: skew(-2deg); }
    10% { transform: skew(1deg); }
    20% { transform: skew(-1deg); }
    30% { transform: skew(2deg); }
    40% { transform: skew(0deg); }
    100% { transform: skew(0deg); }
}

@keyframes glitch-anim-1 {
    0% { clip-path: inset(15% 0 85% 0); }
    20% { clip-path: inset(90% 0 5% 0); }
    40% { clip-path: inset(45% 0 45% 0); }
    60% { clip-path: inset(10% 0 80% 0); }
    80% { clip-path: inset(70% 0 10% 0); }
    100% { clip-path: inset(30% 0 60% 0); }
}

@keyframes glitch-anim-2 {
    0% { clip-path: inset(80% 0 10% 0); }
    20% { clip-path: inset(5% 0 90% 0); }
    40% { clip-path: inset(55% 0 35% 0); }
    60% { clip-path: inset(20% 0 70% 0); }
    80% { clip-path: inset(90% 0 5% 0); }
    100% { clip-path: inset(40% 0 50% 0); }
}

@keyframes scroll-anim {
    0% {
        opacity: 1;
        top: 10px;
    }
    100% {
        opacity: 0;
        top: 25px;
    }
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@media (max-width: 1024px) {
    .container {
        padding: 0 1.5rem;
    }

    .glitch {
        font-size: 5.5rem;
    }

    .main-question {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 3rem;
    }

    .content-section {
        padding: 5rem 0;
    }

    .changes-grid {
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }

    .glitch {
        font-size: 4rem;
        letter-spacing: 0.05em;
    }

    .subtitle {
        font-size: 1.1rem;
        padding: 0 1rem;
    }

    .main-question {
        font-size: 2rem;
        margin-top: 1.5rem;
        margin-bottom: 2rem;
    }

    .cta-button {
        font-size: 1.1rem;
        padding: 14px 32px;
    }

    .section-title {
        font-size: 2.5rem;
    }

    .section-intro {
        font-size: 1.1rem;
        padding: 0 1rem;
    }

    .content-section {
        padding: 4.5rem 0;
    }

    .changes-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .change-card {
        padding: 2rem;
    }

    .change-card h4 {
        font-size: 1.6rem;
    }

    .footer {
        padding: 4rem 0;
    }

    .footer-journey {
        font-size: 1.5rem;
    }

    .scroll-down {
        width: 26px;
        height: 45px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .glitch {
        font-size: 2.8rem;
        letter-spacing: 0.03em;
    }

    .subtitle {
        font-size: 0.95rem;
        padding: 0 0.5rem;
        letter-spacing: 0.5px;
    }

    .main-question {
        font-size: 1.5rem;
        margin-top: 1.2rem;
        margin-bottom: 1.5rem;
        padding: 0 0.5rem;
    }

    .cta-button {
        font-size: 0.95rem;
        padding: 12px 24px;
    }

    .section-title {
        font-size: 2rem;
        margin-bottom: 1.5rem;
    }

    .section-intro {
        font-size: 1rem;
        line-height: 1.6;
        padding: 0 0.5rem;
    }

    .content-section {
        padding: 3.5rem 0;
    }

    .changes-grid {
        gap: 1.2rem;
    }

    .change-card {
        padding: 1.5rem;
    }

    .change-card h4 {
        font-size: 1.4rem;
        margin-bottom: 0.8rem;
    }

    .change-card p {
        font-size: 0.95rem;
        line-height: 1.5;
    }

    .footer {
        padding: 3rem 0;
    }

    .footer-thanks {
        font-size: 1rem;
        line-height: 1.6;
        padding: 0 0.5rem;
    }

    .footer-journey {
        font-size: 1.3rem;
    }

    .scroll-down {
        width: 22px;
        height: 38px;
        bottom: 20px;
    }

    .scroll-down span {
        width: 3px;
        height: 8px;
    }
}

@media (max-width: 360px) {
    .glitch {
        font-size: 2.3rem;
    }

    .subtitle {
        font-size: 0.85rem;
    }

    .main-question {
        font-size: 1.3rem;
    }

    .cta-button {
        font-size: 0.85rem;
        padding: 10px 20px;
    }

    .section-title {
        font-size: 1.7rem;
    }

    .section-intro {
        font-size: 0.9rem;
    }

    .change-card h4 {
        font-size: 1.2rem;
    }

    .change-card p {
        font-size: 0.85rem;
    }

    .footer-journey {
        font-size: 1.1rem;
    }
}

@media (max-height: 600px) and (orientation: landscape) {
    .hero {
        min-height: 100vh;
        padding: 2rem 0;
    }

    .glitch {
        font-size: 3rem;
    }

    .subtitle {
        font-size: 0.9rem;
        margin-top: 0.5rem;
    }

    .main-question {
        font-size: 1.5rem;
        margin-top: 1rem;
        margin-bottom: 1rem;
    }

    .cta-button {
        padding: 10px 24px;
        font-size: 0.9rem;
    }

    .scroll-down {
        display: none;
    }
}