/* RashEndZ shared site styles
   Applies to all pages. Page-specific styles remain in each page's <style> block. */

:root {
    --color-primary: #1B95D0;
    --color-primary-dark: #0B5F8A;
    --color-primary-light: #E8F4FC;
    --color-teal: #5BB8B0;
    --color-charcoal: #1F2A33;
    --color-gray-50: #F9FAFB;
    --color-gray-200: #E5E7EB;
    --color-gray-700: #374151;
    --color-gray-900: #111827;
    --color-ocean-aqua: #3FC6D8;
    --color-healing: #18D2B8;
    --color-mist-aqua: #9EE6EF;
    --color-clinical-gray: #F2F8FA;
    --font-serif: 'Crimson Pro', Georgia, serif;
    --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Base reset */
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
* { margin: 0; padding: 0; box-sizing: border-box; }
img { max-width: 100%; height: auto; }

/* Body base (background is set per-page) */
body {
    font-family: var(--font-sans);
    color: var(--color-gray-900);
    line-height: 1.6;
}

/* Navigation */
.nav {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-200);
    z-index: 1000;
    padding: 0.625rem 2rem;
}
.nav-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 1rem;
}
.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}
.nav-logo-img {
    height: 45px;
    width: auto;
    max-width: none;
}
.nav-links {
    display: flex;
    gap: 1.75rem;
    list-style: none;
    align-items: center;
    justify-content: center;
}
.nav-links a {
    color: var(--color-gray-700);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s;
}
.nav-links a:hover {
    color: var(--color-primary);
}
.nav-hamburger {
    display: none;
}

/* Mobile nav */
@media(max-width: 768px) {
    .nav-spacer { display: none; }
    .nav-links { display: none; }
    .nav-links.nav-open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.99);
        border-bottom: 2px solid var(--color-primary);
        padding: 1rem 2rem 1.5rem;
        gap: 0;
        z-index: 1001;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.10);
    }
    .nav-links.nav-open li { border-bottom: 1px solid var(--color-gray-200); }
    .nav-links.nav-open li:last-child { border-bottom: none; }
    .nav-links.nav-open a {
        display: block;
        padding: 0.85rem 0;
        font-size: 1rem;
        font-weight: 500;
    }
    .nav-hamburger {
        display: flex;
        flex-direction: column;
        justify-content: center;
        gap: 5px;
        cursor: pointer;
        padding: 0.5rem;
        margin-left: auto;
        background: none;
        border: none;
    }
    .nav-hamburger span {
        display: block;
        width: 24px;
        height: 2px;
        background: var(--color-gray-700);
        border-radius: 2px;
        transition: all 0.25s;
    }
    .nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .nav-hamburger.open span:nth-child(2) { opacity: 0; }
    .nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}