@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400&display=swap');

/* ===== Design System Variables ===== */
:root {
    /* Colors */
    --bg-base: #030305;
    --fg-main: #f8fafc;
    --fg-muted: #94a3b8;

    /* Quantum Gradient Colors */
    --quantum-1: #8b5cf6;
    --quantum-2: #3b82f6;
    --quantum-3: #2dd4bf;

    /* Glass Morphism */
    --glass-bg: rgba(255, 255, 255, 0.02);
    --glass-border: rgba(255, 255, 255, 0.06);
    --glass-highlight: rgba(255, 255, 255, 0.1);

    /* Typography */
    --font-sans: 'Plus Jakarta Sans', sans-serif;
    --font-display: 'Plus Jakarta Sans', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Transitions */
    --transition-fast: 0.3s;
    --transition-normal: 0.4s;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-base);
    color: var(--fg-main);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* ===== Background Effects ===== */
.background,
.background-gradient {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 15% 50%, rgba(139, 92, 246, 0.12), transparent 40%),
        radial-gradient(circle at 85% 30%, rgba(45, 212, 191, 0.12), transparent 40%),
        radial-gradient(circle at 50% 80%, rgba(59, 130, 246, 0.12), transparent 40%);
    z-index: -1;
    pointer-events: none;
}

/* ===== Typography ===== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-display);
    font-weight: 600;
    color: #fff;
    letter-spacing: -0.5px;
}

h1 {
    font-size: clamp(2rem, 5vw, 5.5rem);
    line-height: 1.1;
}

h2 {
    font-size: clamp(1.5rem, 4vw, 3rem);
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    color: var(--fg-muted);
    line-height: 1.8;
}

a {
    color: var(--quantum-3);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: #fff;
}

code {
    font-family: var(--font-mono);
    background: rgba(255, 255, 255, 0.03);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
}

/* ===== Utility Classes ===== */
.gradient-text {
    background: linear-gradient(to right, var(--quantum-1), var(--quantum-3));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-text-alt {
    background: linear-gradient(to right, #fff, #a5b4fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-label {
    font-size: 0.85rem;
    color: var(--quantum-1);
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
}

/* ===== Buttons ===== */
.main-btn,
.outline-btn,
.nav-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: 99px;
    padding: 0.8rem 1.8rem;
    font-family: var(--font-sans);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal) cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
}

.main-btn {
    background: linear-gradient(135deg, var(--quantum-1), var(--quantum-2));
    color: #fff;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.25);
}

.main-btn:hover {
    background: linear-gradient(135deg, #a78bfa, #60a5fa);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.4);
    transform: translateY(-2px);
}
.main-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(139, 92, 246, 0.2);
}

.outline-btn {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--fg-main);
}

.outline-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--glass-highlight);
    transform: translateY(-2px);
    color: #fff;
}
.outline-btn:active {
    transform: translateY(0);
}

.nav-button {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    color: var(--fg-main);
    padding: 0.6rem 1.4rem;
}

.nav-button:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--glass-highlight);
}

/* ===== Cards ===== */
.services-card,
.package-card,
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-radius: 24px;
    padding: 2.5rem;
    transition: transform var(--transition-normal), border-color var(--transition-normal);
    position: relative;
}


.services-card,
.glass-card {
    border: 1px solid var(--glass-border);
}

.services-card:hover,
.glass-card:hover {
    transform: translateY(-4px);
    border-color: rgba(139, 92, 246, 0.3);
}

.services-card::before,
.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--glass-highlight), transparent);
}

.package-card {
    border: 2px solid var(--quantum-3);
    box-shadow: 0 0 0 rgba(45, 212, 191, 0);
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.package-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--quantum-3), transparent);
}

.package-card:hover {
    transform: translateY(-4px);
    border-color: var(--quantum-3);
    box-shadow: 0 0 20px rgba(45, 212, 191, 0.2);
}

.card-icon {
    font-size: 2rem;
    color: var(--quantum-2);
    margin-bottom: 1.5rem;
}

.card-body h3 {
    margin-bottom: 1rem;
}

.card-body p {
    margin-bottom: 2rem;
    flex-grow: 1;
}

.card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--glass-border);
}

.price-pill {
    background: rgba(59, 130, 246, 0.1);
    color: var(--quantum-2);
    padding: 0.4rem 1rem;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.9rem;
}

.card-link {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    color: var(--quantum-3);
    transition: color var(--transition-fast);
}

.card-link:hover {
    color: #fff;
}

/* ===== Notifications ===== */
.top-notification {
    background: linear-gradient(90deg, var(--quantum-2), var(--quantum-3));
    color: #fff;
    padding: 10px 20px;
    text-align: center;
    font-size: 0.9rem;
    font-weight: 600;
    position: sticky;
    top: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.top-notification i {
    font-size: 1.1rem;
}
.top-notification .close-btn {
    margin-left: auto;
    cursor: pointer;
    opacity: 0.8;
    transition: opacity 0.2s;
}
.top-notification .close-btn:hover {
    opacity: 1;
}
.hidden { display: none !important; }

/* ===== Navigation ===== */
.nav-container {
    padding: 1.25rem 5%;
    position: fixed;
    width: 100%;
    z-index: 1000;
    background: rgba(3, 3, 5, 0.6);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--glass-border);
    top: 0;
    left: 0;
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.4rem;
    display: flex;
    align-items: center;
    gap: 8px;
    color: #fff;
    text-decoration: none;
    letter-spacing: 0.5px;
    transition: transform var(--transition-fast);
}

.brand:hover {
    transform: translateY(-2px);
}

.brand::before {
    content: '';
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--quantum-3);
    box-shadow: 0 0 12px var(--quantum-3);
}

.brand span {
    color: var(--fg-muted);
    font-weight: 300;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    list-style: none;
}

.nav-item {
    color: var(--fg-muted);
    font-size: 0.95rem;
    font-weight: 400;
    transition: color var(--transition-fast);
    text-decoration: none;
}

.nav-item:hover,
.nav-item.active {
    color: #fff;
    text-shadow: 0 0 12px rgba(255, 255, 255, 0.3);
}

/* ===== Layout Sections ===== */
main {
    padding-top: 100px;
}

section {
    padding: 6rem 5%;
}

.section-centered {
    max-width: 1200px;
    margin: 0 auto;
}

/* ===== Grid Layouts ===== */
.grid {
    display: grid;
    gap: 2rem;
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

/* ===== Footer ===== */
.site-footer {
    padding: 4rem 5% 2rem;
    border-top: 1px solid var(--glass-border);
    margin-top: 4rem;
}

.footer-wrap {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-brand {
    margin-bottom: 3rem;
}

.footer-brand p {
    color: var(--fg-muted);
    margin-top: 1rem;
}

.footer-bottom-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
    color: var(--fg-muted);
    font-size: 0.9rem;
}

.footer-socials a {
    color: var(--fg-muted);
    margin-left: 1.5rem;
    font-size: 1.2rem;
    transition: color var(--transition-fast);
}

.footer-socials a:hover {
    color: #fff;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.1); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255, 255, 255, 0.2); }

/* ===== Selection ===== */
::selection { background: rgba(139, 92, 246, 0.3); color: #fff; }

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

    section {
        padding: 4rem 5%;
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    h1 {
        font-size: clamp(1.75rem, 4vw, 3rem);
    }

    .card-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    :root {
        font-size: 14px;
    }

    .nav-container {
        padding: 1rem 1rem;
    }

    section {
        padding: 3rem 5%;
    }

    main {
        padding-top: 80px;
    }
}

/* ===== Mobile Navigation Sidebar ===== */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--fg-main);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}
.mobile-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast);
}
.mobile-overlay.active {
    opacity: 1;
    pointer-events: auto;
}
.mobile-sidebar {
    position: fixed;
    top: 0; right: -300px;
    width: 280px;
    height: 100vh;
    background: rgba(10, 10, 15, 0.95);
    border-left: 1px solid var(--glass-border);
    backdrop-filter: blur(24px);
    z-index: 1001;
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    transition: right var(--transition-fast) cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: -5px 0 25px rgba(0,0,0,0.5);
}
.mobile-sidebar.active {
    right: 0;
}
.mobile-sidebar .nav-item {
    font-size: 1.1rem;
    display: block;
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--glass-border);
}
.mobile-sidebar .nav-button {
    margin-top: 1rem;
    width: 100%;
}
.mobile-sidebar button.nav-button {
    font-size: 1rem;
    padding: 0.8rem 1.4rem;
}
.sidebar-close-btn {
    align-self: flex-end;
    background: none;
    border: none;
    color: var(--fg-muted);
    font-size: 1.5rem;
    cursor: pointer;
    margin-bottom: 1rem;
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }
    .nav-inner {
        padding: 0;
    }
}