/* =============================================
   Jonathan Shipe — Shared Base Styles
   Loaded on every page before page-specific CSS
   ============================================= */

:root {
    --color-primary: #1a2740;
    --color-accent: #c8432b;
    --color-accent-hover: #a8351f;
    --color-bg: #ffffff;
    --color-bg-alt: #f4f5f7;
    --color-text: #2c2c2c;
    --color-text-light: #5a6270;
    --color-border: #e0e2e6;
    --font-heading: 'Inter', sans-serif;
    --font-body: 'Source Serif 4', Georgia, serif;
    --max-width: 1100px;
    --nav-height: 64px;
}

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

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

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

/* ---- Navigation ---- */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(26, 39, 64, 0.97);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
    transition: background 0.3s, box-shadow 0.3s;
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--nav-height);
}

.nav-logo {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.2rem;
    color: #fff;
    text-decoration: none;
    letter-spacing: -0.02em;
}

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

.nav-links a {
    font-family: var(--font-heading);
    font-size: 0.82rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: #fff;
}

.nav-links a.active {
    color: #fff;
    border-bottom: 2px solid var(--color-accent);
    padding-bottom: 2px;
}

/* Mobile nav toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: #fff;
    transition: transform 0.3s, opacity 0.3s;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ---- Buttons ---- */
.btn {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    text-decoration: none;
    padding: 0.75rem 1.8rem;
    border-radius: 6px;
    transition: all 0.2s;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-primary {
    background: var(--color-accent);
    color: #fff;
}

.btn-primary:hover {
    background: var(--color-accent-hover);
    transform: translateY(-1px);
}

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

.btn-outline-dark:hover {
    border-color: var(--color-primary);
    background: var(--color-bg-alt);
}

/* ---- Sections ---- */
section {
    padding: 5rem 0;
}

.section-alt {
    background: var(--color-bg-alt);
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--color-primary);
    margin-bottom: 1rem;
    position: relative;
    padding-bottom: 0.75rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 4px;
    background: var(--color-accent);
    border-radius: 2px;
}

.section-intro {
    font-size: 1.1rem;
    color: var(--color-text-light);
    max-width: 700px;
    margin-bottom: 2.5rem;
}

/* ---- Footer ---- */
footer {
    background: var(--color-primary);
    color: rgba(255, 255, 255, 0.5);
    padding: 2rem 0;
    text-align: center;
    font-family: var(--font-heading);
    font-size: 0.82rem;
}

/* ---- Animations ---- */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
    html { font-size: 16px; }

    .nav-toggle { display: flex; }

    .nav-links {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: rgba(26, 39, 64, 0.98);
        flex-direction: column;
        align-items: center;
        padding: 2rem;
        gap: 1.5rem;
        transform: translateY(-100%);
        opacity: 0;
        transition: transform 0.3s, opacity 0.3s;
        pointer-events: none;
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .section-title { font-size: 1.8rem; }
}