/* Main Style Sheet for Ryvo-Tech */
:root {
    --bg-color: #040404;
    --card-bg: rgba(13, 13, 13, 0.7);
    --accent-color: #00f2ff;
    --accent-glow: rgba(0, 242, 255, 0.4);
    --text-primary: #ffffff;
    --text-secondary: #9ca3af;
    --nav-blur: rgba(4, 4, 4, 0.85);
    --transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-color);
}

::-webkit-scrollbar-thumb {
    background: #1a1a1a;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    /* Mesh Background Effect */
    background-image:
        radial-gradient(at 0% 0%, rgba(0, 242, 255, 0.05) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(0, 242, 255, 0.05) 0px, transparent 50%);
}

/* Typography */
h1,
h2,
h3 {
    font-weight: 800;
    letter-spacing: -2px;
    text-transform: uppercase;
}

span {
    color: var(--accent-color);
    text-shadow: 0 0 20px var(--accent-glow);
}

a {
    text-decoration: none;
    transition: var(--transition);
}

/* Navbar */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 25px 8%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--nav-blur);
    backdrop-filter: blur(20px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
}

.logo-img {
    height: 45px;
    width: auto;
    filter: drop-shadow(0 0 10px var(--accent-glow));
    transition: var(--transition);
}

.logo-container:hover .logo-img {
    transform: rotate(10deg) scale(1.1);
}

.logo-text {
    font-size: 1.8rem;
    color: var(--text-primary);
    font-weight: 800;
}

.nav-links {
    display: flex;
    gap: 25px;
}

.nav-links a {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent-color);
}

.btn-nav {
    background: var(--accent-color);
    padding: 12px 28px;
    border-radius: 12px;
    font-weight: 800;
    color: #000;
    box-shadow: 0 0 20px var(--accent-glow);
    text-transform: uppercase;
    font-size: 0.85rem;
}

.btn-nav:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 0 35px var(--accent-glow);
}

/* Hero Section */
.hero-sub {
    padding-top: 100px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: radial-gradient(circle at center, rgba(0, 242, 255, 0.08) 0%, transparent 70%);
}

.hero-sub h1 {
    font-size: clamp(3rem, 12vw, 7rem);
    line-height: 0.9;
    margin-bottom: 25px;
}

.hero-sub p {
    color: var(--text-secondary);
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto 40px;
}

/* Feature Cards */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.card {
    background: var(--card-bg);
    padding: 50px;
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(0, 242, 255, 0.03), transparent);
    transform: translateX(-100%);
    transition: 0.6s;
}

.card:hover::before {
    transform: translateX(100%);
}

.card:hover {
    border-color: var(--accent-color);
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6), 0 0 20px rgba(0, 242, 255, 0.1);
}

.card i {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 30px;
    filter: drop-shadow(0 0 10px var(--accent-glow));
}

/* Pricing Section */
.pricing-section {
    padding: 120px 0;
}

.section-title {
    text-align: center;
    font-size: 3.5rem;
    margin-bottom: 70px;
}

.pricing-card {
    background: rgba(20, 20, 20, 0.5);
    padding: 50px;
    border-radius: 35px;
    border: 1px solid rgba(255, 255, 255, 0.03);
    text-align: center;
    transition: var(--transition);
    backdrop-filter: blur(15px);
}

.pricing-card.premium {
    border: 1px solid var(--accent-color);
    background: rgba(0, 242, 255, 0.02);
    box-shadow: 0 0 40px rgba(0, 242, 255, 0.05);
}

.price {
    font-size: 4rem;
    font-weight: 900;
    margin: 30px 0;
}

/* Product Showcase */
.showcase-section {
    display: flex;
    justify-content: center;
    margin: -20px 0 100px;
    padding: 0 5%;
    position: relative;
    z-index: 10;
}

.showcase-container {
    position: relative;
    width: 100%;
    max-width: 1100px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6);
    background: rgba(10, 15, 30, 0.4);
    backdrop-filter: blur(15px);
    overflow: hidden;
    transition: var(--transition);
}

.showcase-container:hover {
    transform: translateY(-10px);
    box-shadow: 0 40px 80px rgba(0, 242, 255, 0.15);
    border-color: rgba(0, 242, 255, 0.2);
}

.showcase-img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 16px;
    position: relative;
    z-index: 2;
}

.showcase-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, var(--accent-color) 0%, transparent 60%);
    opacity: 0.1;
    z-index: 1;
    pointer-events: none;
    filter: blur(50px);
}

/* Footer */
footer {
    padding: 80px 8%;
    background: #020202;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin-bottom: 40px;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero-sub h1 {
        font-size: 3.5rem;
    }

    .card {
        padding: 30px;
    }
}