/* =========================================
   GLOBAL CSS - primestrat.com
   ========================================= */

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

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

:root {
    --bg-primary: #0d1117;
    --bg-secondary: #111827;
    --bg-card: #161b22;
    --border: #21262d;
    --accent: #22d3ee;
    --accent-dark: #0f766e;
    --accent-hover: #67e8f9;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #484f58;
    --font-mono: 'JetBrains Mono', monospace;
    --font-sans: 'Nunito', sans-serif;
    --radius: 8px;
    --radius-lg: 14px;
    --transition: 0.2s ease;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

html {
    scroll-behavior: smooth;
    font-size: 17px;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    min-height: 100vh;
}

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

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

img {
    max-width: 100%;
    display: block;
}

/* --- Navigation --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2.25rem;
    height: 76px;
    background: rgba(13, 17, 23, 0.9);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
}

.navbar_logo {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.navbar_logo span {
    color: var(--accent);
}

.navbar_links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.navbar_links a {
    font-family: var(--font-mono);
    font-size: 0.92rem;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: color var(--transition);
}

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

.navbar_hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 4px;
}

.navbar_hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.25s ease, background 0.2s ease;
}

.navbar_hamburger[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.navbar_hamburger[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.navbar_hamburger[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* --- Page Wrapper --- */
.page-content {
    padding-top: 76px;
}

/* --- Section Utility --- */
.section {
    padding: 2.5rem 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.section-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 0.5rem;
}

.section-title {
    font-family: var(--font-sans);
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.section-sub {
    color: var(--text-secondary);
    font-size: 1rem;
    max-width: 560px;
    margin-bottom: 1.25rem;
}

/* --- Divider --- */
.divider {
    border: none;
    border-top: 1px solid var(--border);
    max-width: 1100px;
    margin: 0 auto;
}

/* --- Button --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 1.4rem;
    border-radius: var(--radius);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease,
        transform 0.18s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

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

.btn:active {
    transform: translateY(0) scale(0.97);
    filter: brightness(0.92);
}

.btn-primary {
    background: var(--accent);
    color: var(--bg-primary);
    border: 2px solid var(--accent);
}

.btn-primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    color: var(--bg-primary);
    box-shadow: 0 4px 20px rgba(34, 211, 238, 0.4);
    filter: brightness(1.06);
}

.btn-outline {
    background: transparent;
    color: var(--accent);
    border: 2px solid var(--accent);
}

.btn-outline:hover {
    background: rgba(34, 211, 238, 0.08);
    color: var(--accent-hover);
    box-shadow: 0 4px 16px rgba(34, 211, 238, 0.18);
}

/* --- Badge / Tag --- */
.tag {
    display: inline-block;
    padding: 0.2rem 0.65rem;
    border-radius: 20px;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 700;
    background: rgba(34, 211, 238, 0.10);
    color: var(--accent);
    border: 1px solid rgba(34, 211, 238, 0.25);
    letter-spacing: 0.04em;
}

/* --- Footer --- */
.footer {
    text-align: center;
    padding: 2.5rem 1rem;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.82rem;
    font-family: var(--font-mono);
}

.footer a {
    color: var(--text-secondary);
}

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

/* --- SPA Page Transitions --- */
@keyframes pageOut {
    from {
        opacity: 1;
        transform: translateY(0);
    }

    to {
        opacity: 0;
        transform: translateY(-16px);
    }
}

@keyframes pageIn {
    from {
        opacity: 0;
        transform: translateY(22px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.page-content.page-leaving {
    animation: pageOut 0.25s ease forwards;
    pointer-events: none;
}

.page-content.page-entering {
    animation: pageIn 0.4s cubic-bezier(0.22, 1, 0.36, 1) both;
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
    width: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .navbar_links {
        display: flex;
        position: absolute;
        top: 76px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--bg-secondary);
        border-bottom: 1px solid var(--border);
        padding: 1.5rem 2rem;
        gap: 1.25rem;
        opacity: 0;
        transform: translateY(-6px);
        pointer-events: none;
        transition: opacity 0.25s ease, transform 0.25s ease;
    }

    .navbar_links.open {
        opacity: 1;
        transform: translateY(0);
        pointer-events: auto;
    }

    .navbar_hamburger {
        display: flex;
    }

    .section {
        padding: 2rem 1.25rem;
    }
}