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

:root {
    --brand-dark: #050810;
    --brand-dark-blue: #090e21;
    --brand-light: #b0c4de;
    --brand-accent: #00f6ff;
    --brand-accent-dark: #00a9b3;
    --brand-accent-gradient: linear-gradient(45deg, var(--brand-accent), #00a2ff);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--brand-dark);
    color: var(--brand-light);
}

.font-sans {
    font-family: 'Inter', sans-serif;
}

.bg-brand-dark {
    background-color: var(--brand-dark);
}

.bg-brand-dark-blue {
    background-color: var(--brand-dark-blue);
}

.text-brand-light {
    color: var(--brand-light);
}

.text-brand-accent {
    color: var(--brand-accent);
}

.price-text {
    background: var(--brand-accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
}

.cta-button {
    display: inline-block;
    font-weight: 700;
    color: var(--brand-dark);
    background: var(--brand-accent);
    padding: 1rem 2.5rem;
    border-radius: 0.5rem;
    text-transform: uppercase;
    text-align: center;
    transition: all 0.3s ease;
    transform: perspective(1px) translateZ(0);
    box-shadow: 0 0 20px rgba(0, 246, 255, 0.4);
}

.cta-button:hover {
    background: white;
    box-shadow: 0 0 30px rgba(0, 246, 255, 0.7);
    transform: scale(1.05);
}

.cta-button-large {
    padding: 1.25rem 3.5rem;
    font-size: 1.25rem;
}

@keyframes fade-in-down {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-down {
    animation: fade-in-down 0.8s ease-out both;
}

.animate-fade-in-up {
    animation: fade-in-up 0.8s ease-out 0.4s both;
}

.feature-card {
    background-color: rgba(15, 24, 44, 0.5);
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 246, 255, 0.1);
}

.showcase-card {
    text-align: center;
    background: var(--brand-dark-blue);
    padding: 1.5rem;
    border-radius: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.showcase-card img {
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.showcase-card:hover {
    transform: scale(1.03);
    box-shadow: 0 10px 30px rgba(0, 246, 255, 0.15);
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 1.5rem;
    background-color: var(--brand-dark);
    border-radius: 0.75rem;
}

.testimonial-card {
    background-color: var(--brand-dark-blue);
    border-left: 4px solid var(--brand-accent);
    padding: 2rem;
    border-radius: 0.5rem;
    font-size: 1.125rem;
    line-height: 1.7;
    font-style: italic;
    color: var(--brand-light);
}

.shadow-2xl-cyan {
    box-shadow: 0 0 60px -15px rgba(0, 246, 255, 0.3);
}

.faq-item {
    background-color: var(--brand-dark);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0.5rem;
    overflow: hidden;
    transition: border-color 0.3s ease;
}

.faq-item.active {
    border-color: var(--brand-accent);
}

.faq-question {
    width: 100%;
    padding: 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    font-weight: 600;
    font-size: 1.125rem;
    color: white;
    background: transparent;
    border: none;
    cursor: pointer;
}

.faq-icon {
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease-in-out, padding 0.5s ease;
    padding: 0 1.25rem;
}

.faq-answer p {
    padding-bottom: 1.25rem;
    color: var(--brand-light);
}

/* --- New Navigation Styles --- */

#main-header {
    background-color: transparent;
    border-bottom: 1px solid transparent;
}

#main-header.scrolled {
    background-color: rgba(5, 8, 16, 0.8); /* --brand-dark with opacity */
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom-color: rgba(255, 255, 255, 0.1);
}

.nav-link {
    color: var(--brand-light);
    position: relative;
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: white;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
    width: 0%;
    height: 2px;
    background-color: var(--brand-accent);
    transition: width 0.3s ease-out;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-cta-button {
    display: inline-block;
    font-weight: 600;
    color: var(--brand-dark-blue);
    background: var(--brand-accent-gradient);
    padding: 0.6rem 1.5rem;
    border-radius: 0.375rem;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 246, 255, 0.2);
}

.nav-cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 246, 255, 0.4);
}

.mobile-nav-link {
    display: block;
    color: var(--brand-light);
    font-size: 1.125rem;
    padding: 0.75rem 0.5rem;
    border-radius: 0.375rem;
    transition: background-color 0.2s ease, color 0.2s ease;
    font-weight: 500;
}

.mobile-nav-link:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--brand-accent);
}

/* --- Countdown Timer Styles --- */
.timer-box {
    background: rgba(0, 246, 255, 0.1);
    border: 1px solid rgba(0, 246, 255, 0.2);
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    text-align: center;
    min-width: 80px;
    box-shadow: inset 0 0 10px rgba(0, 246, 255, 0.1);
}

.timer-value {
    font-size: 2.5rem;
    font-weight: 900;
    color: #ffffff;
    line-height: 1;
    display: block;
}

.timer-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--brand-light);
    letter-spacing: 0.1em;
    display: block;
    margin-top: 0.5rem;
}

.timer-separator {
    font-size: 2rem;
    font-weight: 700;
    color: var(--brand-accent);
    align-self: center;
    padding-bottom: 1.2rem;
    line-height: 1;
}

@media (max-width: 640px) {
    .timer-box {
        min-width: 60px;
        padding: 0.5rem;
    }
    .timer-value {
        font-size: 1.75rem;
    }
    .timer-label {
        font-size: 0.6rem;
    }
    .timer-separator {
        font-size: 1.5rem;
        padding-bottom: 1rem;
    }
}