/* ===== Shared Styles for abhinavdb.com ===== */

:root {
    --color-bg: #FAFAF8;
    --color-bg-alt: #FFFFFF;
    --color-bg-warm: #F5F3EF;
    --color-primary: #1E3A5F;
    --color-primary-dark: #152A45;
    --color-accent: #2D7DD2;
    --color-accent-light: #E8F2FC;
    --color-text: #2C3E50;
    --color-text-light: #64748B;
    --color-text-muted: #94A3B8;
    --color-border: #E2E8F0;
    --color-success: #059669;
    --color-warning: #D97706;
    --color-sql: #CC2927;
    --color-pg: #336791;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.08);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    font-size: 16px;
}

h1, h2, h3 {
    font-family: 'DM Serif Display', Georgia, serif;
    font-weight: 400;
    line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 5vw, 3.5rem); }
h2 { font-size: clamp(2rem, 4vw, 2.75rem); color: var(--color-primary); }
h3 { font-size: 1.5rem; }

p { color: var(--color-text-light); }

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Navigation ===== */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(250, 250, 248, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    transition: all 0.3s ease;
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.logo {
    font-family: 'DM Serif Display', serif;
    font-size: 1.5rem;
    color: var(--color-primary);
    text-decoration: none;
}

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

.nav-links {
    display: flex;
    gap: 40px;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--color-text);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s;
}

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

.nav-cta {
    background: var(--color-primary);
    color: white !important;
    padding: 10px 24px;
    border-radius: var(--radius-sm);
    transition: background 0.2s, transform 0.2s !important;
}

.nav-cta:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
}

.mobile-menu {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
    background: none;
    border: none;
}

.mobile-menu span {
    width: 24px;
    height: 2px;
    background: var(--color-primary);
    transition: 0.3s;
    display: block;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: white;
}

/* ===== Footer ===== */
footer {
    background: var(--color-primary-dark);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand .logo {
    color: white;
    margin-bottom: 16px;
    display: inline-block;
}

.footer-brand p {
    color: rgba(255,255,255,0.6);
    font-size: 0.95rem;
    line-height: 1.7;
}

.footer-links h4 {
    font-family: 'DM Sans', sans-serif;
    font-weight: 600;
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.875rem;
    color: rgba(255,255,255,0.5);
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-links a {
    color: rgba(255,255,255,0.6);
    transition: color 0.2s;
}

.social-links a:hover {
    color: white;
}

/* ===== Breadcrumb ===== */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: 24px;
}

.breadcrumb a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

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

.breadcrumb .separator {
    color: var(--color-border);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(250, 250, 248, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        border-bottom: 1px solid var(--color-border);
    }

    .nav-links.open {
        display: flex;
    }

    .mobile-menu {
        display: flex;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}