/* Import Premium Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

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

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background: #0A0B0F;
    color: #fff;
    position: relative;
    cursor: default;
}

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

/* Animated Gradient Background */
.gradient-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    background: linear-gradient(135deg, #0A0B0F 0%, #0E1B25 50%, #0A0B0F 100%);
    background-size: 200% 200%;
    animation: gradientDrift 15s ease infinite;
}

@keyframes gradientDrift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* Logo */
.logo {
    position: fixed;
    top: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 100;
}

.logo-img {
    height: 60px;
    width: auto;
    filter: drop-shadow(0 0 20px rgba(0, 224, 255, 0.3));
}

/* Floating Profit Cards */
.profit-cards-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
    overflow: hidden;
}

.profit-card {
    position: absolute;
    width: 280px;
    height: 160px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(30px);
    border: 1px solid rgba(0, 224, 255, 0.08);
    overflow: hidden;
    opacity: 0.25;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    will-change: transform, opacity;
}

.profit-card:hover {
    opacity: 0.95;
    transform: scale(1.05);
    border-color: rgba(0, 224, 255, 0.3);
    box-shadow: 0 12px 48px rgba(0, 224, 255, 0.15);
    pointer-events: auto;
    z-index: 10;
}

.profit-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.85) blur(1px);
    transition: filter 0.6s ease;
}

.profit-card:hover img {
    filter: brightness(1.1) blur(0px);
}

/* Hero Section */
.hero {
    position: relative;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100vh;
    padding: 0 20px;
}

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

/* Headline Container */
.headline-container {
    position: relative;
    margin-bottom: 2rem;
}

.headline {
    font-family: 'Inter', sans-serif;
    font-size: clamp(3rem, 8vw, 7rem);
    font-weight: 900;
    line-height: 1.05;
    letter-spacing: -0.04em;
    color: #ffffff;
    position: relative;
    z-index: 2;
    animation: fadeInUp 1.2s cubic-bezier(0.4, 0, 0.2, 1) backwards;
    text-shadow: 0 4px 30px rgba(0, 0, 0, 0.8);
}

.headline .highlight {
    color: #00F1FF;
    position: relative;
    display: inline-block;
    font-weight: 900;
    font-size: 1.15em;
    text-shadow: 0 0 40px rgba(0, 241, 255, 0.8),
                 0 0 80px rgba(0, 241, 255, 0.5),
                 0 0 120px rgba(0, 241, 255, 0.3);
    filter: drop-shadow(0 0 30px rgba(0, 241, 255, 0.6));
}

.headline-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 300px;
    background: radial-gradient(ellipse, rgba(0, 224, 255, 0.15) 0%, transparent 70%);
    z-index: 1;
    animation: glowPulse 3s ease-in-out infinite;
    pointer-events: none;
}

@keyframes glowPulse {
    0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.8; transform: translate(-50%, -50%) scale(1.1); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Subheadline */
.subheadline {
    font-family: 'Inter', sans-serif;
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    font-weight: 500;
    line-height: 1.6;
    letter-spacing: 0.02em;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 3.5rem;
    animation: fadeInUp 1.2s cubic-bezier(0.4, 0, 0.2, 1) 0.2s backwards;
}

/* CTA Button */
.cta-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 24px 60px;
    font-family: 'Inter', sans-serif;
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    font-weight: 700;
    letter-spacing: 0.02em;
    color: #000000;
    background: #00E0FF;
    border: none;
    border-radius: 60px;
    cursor: pointer;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    animation: fadeInUp 1.2s cubic-bezier(0.4, 0, 0.2, 1) 0.4s backwards;
    box-shadow: 0 0 60px rgba(0, 224, 255, 0.4), 0 20px 40px rgba(0, 0, 0, 0.4);
    text-decoration: none;
}

.btn-content {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.btn-ripple {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(0);
    opacity: 0;
}

.cta-btn:hover {
    background: #33EBFF;
    box-shadow: 0 0 80px rgba(0, 224, 255, 0.6), 0 25px 50px rgba(0, 0, 0, 0.5);
    transform: translateY(-4px);
}

.cta-btn:hover .btn-glow {
    opacity: 1;
    animation: rippleWave 2s ease-out infinite;
}

@keyframes rippleWave {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.3;
    }
    100% {
        transform: translate(-50%, -50%) scale(1.5);
        opacity: 0;
    }
}

.cta-btn:active {
    transform: translateY(-2px);
}

/* Footer */
.footer {
    position: fixed;
    bottom: 40px;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 18px;
}

.footer-text {
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    color: rgba(255, 255, 255, 0.4);
}

.social-links {
    display: flex;
    gap: 20px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    color: rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.social-link:hover {
    color: #00E0FF;
    background: rgba(0, 224, 255, 0.1);
    border-color: rgba(0, 224, 255, 0.4);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 224, 255, 0.3);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.modal.active {
    display: flex;
    opacity: 1;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(30px);
}

.modal-container {
    position: relative;
    z-index: 10;
    max-width: 600px;
    width: 90%;
    background: linear-gradient(135deg, rgba(10, 11, 15, 0.98) 0%, rgba(14, 27, 37, 0.98) 100%);
    backdrop-filter: blur(60px);
    border: 1px solid rgba(0, 241, 255, 0.15);
    border-radius: 32px;
    padding: 70px 60px;
    animation: modalSlideIn 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    box-shadow: 0 0 100px rgba(0, 241, 255, 0.15),
                0 30px 80px rgba(0, 0, 0, 0.7),
                inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.92) translateY(-50px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: 28px;
    right: 28px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-close:hover {
    color: #00F1FF;
    background: rgba(0, 241, 255, 0.08);
    border-color: rgba(0, 241, 255, 0.3);
    transform: rotate(90deg) scale(1.1);
    box-shadow: 0 0 20px rgba(0, 241, 255, 0.2);
}

.modal-content {
    text-align: center;
}

.modal-title {
    font-family: 'Inter', sans-serif;
    font-size: clamp(2.5rem, 6vw, 3.5rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: #00F1FF;
    margin-bottom: 1.25rem;
    text-shadow: 0 0 40px rgba(0, 241, 255, 0.4),
                 0 0 80px rgba(0, 241, 255, 0.2);
}

.modal-subtitle {
    font-family: 'Inter', sans-serif;
    font-size: clamp(1.05rem, 2vw, 1.2rem);
    font-weight: 500;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: 3rem;
    letter-spacing: 0.01em;
}

.modal-actions {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.modal-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 22px 50px;
    font-family: 'Inter', sans-serif;
    font-size: clamp(1.05rem, 2vw, 1.15rem);
    font-weight: 700;
    letter-spacing: 0.01em;
    text-decoration: none;
    color: #000000;
    background: #00E0FF;
    border: none;
    border-radius: 60px;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 40px rgba(0, 224, 255, 0.3), 0 10px 30px rgba(0, 0, 0, 0.4);
}

.modal-btn:hover {
    background: #33EBFF;
    box-shadow: 0 0 60px rgba(0, 224, 255, 0.5), 0 15px 40px rgba(0, 0, 0, 0.5);
    transform: translateY(-4px);
}

.modal-btn svg {
    width: 22px;
    height: 22px;
}

/* Responsive */
@media (max-width: 768px) {
    .logo {
        top: 30px;
    }

    .logo-img {
        height: 50px;
    }

    .headline {
        font-size: clamp(2.5rem, 10vw, 4rem);
        margin-bottom: 1.5rem;
    }

    .subheadline {
        font-size: 1.1rem;
        margin-bottom: 2.5rem;
    }

    .cta-btn {
        padding: 20px 50px;
        font-size: 1.1rem;
    }

    .profit-card {
        width: 220px;
        height: 130px;
    }

    .footer {
        bottom: 30px;
    }

    .footer-text {
        font-size: 0.75rem;
    }

    .social-link {
        width: 40px;
        height: 40px;
    }

    .modal-container {
        padding: 50px 35px;
    }

    .modal-title {
        font-size: 2.2rem;
    }

    .modal-subtitle {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .headline {
        font-size: 2.5rem;
    }

    .headline br {
        display: none;
    }

    .subheadline {
        font-size: 1rem;
    }

    .cta-btn {
        padding: 18px 45px;
        font-size: 1rem;
    }

    .profit-card {
        width: 180px;
        height: 110px;
    }

    .modal-container {
        padding: 40px 28px;
        border-radius: 20px;
    }

    .modal-btn {
        padding: 18px 35px;
        font-size: 1rem;
    }
}

/* Performance */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}