/*
Theme Name: Astra Child - EcoLaw Study
Theme URI: https://study.ecolaw.in
Description: Custom child theme for study.ecolaw.in, built on Astra. Handles all design/layout/CSS. Content is managed separately by writers through the Block Editor.
Author: EcoLaw
Template: astra
Version: 2.1.0
Text Domain: ecolaw-study-child
*/

/* =========================================================
   LAYER 4 of 8: GLOBAL DESIGN SYSTEM
   (Astra -> Astra Child -> Theme Architecture -> [THIS FILE] ->
   Post Template -> Gutenberg Patterns -> Writer Workflow -> Content Migration)

   Every value used anywhere in this theme should come from the
   tokens below. To change the site's look site-wide, edit a
   variable here instead of hunting through individual rules.
   This is what keeps writers' content visually consistent
   automatically, without them ever touching CSS.
   ========================================================= */

:root {
    /* ---- Colors ---- */
    --color-primary: #1E3A5F;
    --color-primary-dark: #16293F;
    --color-primary-light: #EAF0F6;
    --color-accent: #B45309;
    --color-accent-dark: #92400E;
    --color-accent-light: #FDF3E7;
    --color-text: #1A1A1A;
    --color-text-muted: #4B5563;
    --color-text-faint: #6B7280;
    --color-border: #E5E7EB;
    --color-bg-subtle: #F9FAFB;
    --color-bg-white: #FFFFFF;
    --color-footer-bg: #111827;
    --color-footer-text: #D1D5DB;
    --color-marquee-bg: #16293F;

    /* ---- Typography ---- */
    --font-heading: 'Source Serif 4', Georgia, 'Times New Roman', serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

    /* ---- Spacing scale ---- */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 5rem;

    /* ---- Layout ---- */
    --content-width: 780px;
    --page-width: 1180px;
    --radius: 10px;
    --radius-sm: 6px;
    --shadow-sm: 0 1px 2px rgba(17, 24, 39, 0.06);
    --shadow-md: 0 4px 16px rgba(17, 24, 39, 0.08);
    --transition: 180ms ease;
}


/* -----------------------------
   1. GLOBAL RESETS / BASE STYLES
   ----------------------------- */

* { box-sizing: border-box; }

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

a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-accent); }
img { max-width: 100%; height: auto; }

.container { max-width: var(--page-width); margin: 0 auto; padding: 0 var(--space-md); }


/* -----------------------------
   2. HEADINGS
   ----------------------------- */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-primary);
}
h1 { font-size: 2.5rem; }
h2 { font-size: 1.9rem; margin-top: var(--space-xl); margin-bottom: var(--space-sm); }
h3 { font-size: 1.4rem; margin-top: var(--space-lg); margin-bottom: var(--space-xs); }

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--color-accent);
}


/* -----------------------------
   3. BUTTONS
   ----------------------------- */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
    border: 1px solid transparent;
    cursor: pointer;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-outline { background: transparent; color: var(--color-primary); border-color: var(--color-primary); }
.btn-outline:hover { background: var(--color-primary); color: #fff; transform: translateY(-1px); }


/* -----------------------------
   4. CONTENT / SINGLE POST AREA
   ----------------------------- */

.entry-content { max-width: var(--content-width); margin: 0 auto; font-size: 1.08rem; }
.entry-content p { margin-bottom: var(--space-md); }
.entry-content table { width: 100%; border-collapse: collapse; margin: var(--space-lg) 0; font-size: 0.95rem; }
.entry-content table th, .entry-content table td { border: 1px solid var(--color-border); padding: 0.6rem 0.9rem; text-align: left; }
.entry-content table th { background-color: var(--color-bg-subtle); font-weight: 600; }
.entry-content img { border-radius: var(--radius); }
.entry-content blockquote { border-left: 4px solid var(--color-primary); background: var(--color-primary-light); padding: var(--space-sm) 1.25rem; font-style: italic; margin: var(--space-lg) 0; }
.entry-content ul, .entry-content ol { margin: 0 0 var(--space-md) 1.4rem; }


/* -----------------------------
   5. GUTENBERG PATTERN COMPONENTS (Layer 6)
   ----------------------------- */

.eco-note-card { border: 1px solid var(--color-border); border-radius: var(--radius); padding: var(--space-md) var(--space-lg); background: var(--color-bg-subtle); margin: var(--space-lg) 0; }
.eco-note-card h4 { margin-top: 0; color: var(--color-primary); }

.eco-definition-box { border-left: 4px solid var(--color-accent); background: var(--color-accent-light); border-radius: 0 var(--radius) var(--radius) 0; padding: var(--space-sm) var(--space-md); margin: var(--space-lg) 0; }
.eco-definition-box .eco-label { text-transform: uppercase; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.05em; color: var(--color-accent-dark); display: block; margin-bottom: 0.3rem; }

.eco-formula-box { background: var(--color-primary); color: #fff; border-radius: var(--radius); padding: var(--space-md) var(--space-lg); margin: var(--space-lg) 0; font-family: 'Courier New', monospace; font-size: 1.05rem; text-align: center; }

.eco-key-points { background: var(--color-bg-subtle); border: 1px solid var(--color-border); border-radius: var(--radius); padding: var(--space-md) var(--space-lg); margin: var(--space-lg) 0; }
.eco-key-points h4 { margin-top: 0; font-size: 1.05rem; }

.eco-pyq-item { border: 1px solid var(--color-border); border-radius: var(--radius); padding: var(--space-md); margin-bottom: var(--space-sm); background: var(--color-bg-white); }
.eco-pyq-item .eco-pyq-meta { font-size: 0.85rem; color: var(--color-text-faint); margin-bottom: 0.3rem; }

.eco-faq-item { border-bottom: 1px solid var(--color-border); padding: var(--space-sm) 0; }
.eco-faq-item h4 { margin: 0 0 0.4rem 0; font-size: 1.05rem; }
.eco-faq-item p { margin: 0; color: var(--color-text-muted); }


/* -----------------------------
   6. SITE HEADER / MARQUEE / NAVIGATION
   ----------------------------- */

.eco-marquee { background: var(--color-marquee-bg); color: #fff; font-size: 0.82rem; padding: 0.45rem 0; overflow: hidden; white-space: nowrap; position: relative; }
.eco-marquee__track { display: inline-block; padding-left: 100%; animation: eco-marquee-scroll 28s linear infinite; }
.eco-marquee:hover .eco-marquee__track { animation-play-state: paused; }
@keyframes eco-marquee-scroll { 0% { transform: translateX(0); } 100% { transform: translateX(-100%); } }
@media (prefers-reduced-motion: reduce) { .eco-marquee__track { animation: none; padding-left: 0; } }

.site-header { border-bottom: 1px solid var(--color-border); background: var(--color-bg-white); }
.eco-header-inner { display: flex; align-items: center; justify-content: space-between; padding: var(--space-sm) 0; }
.eco-logo { font-family: var(--font-heading); font-weight: 700; font-size: 1.35rem; color: var(--color-primary); }
.main-header-menu .menu-item > a { font-weight: 500; color: var(--color-text); padding: 0.5rem 0.9rem; }
.main-header-menu .menu-item > a:hover { color: var(--color-accent); }
.main-header-menu .menu-item-has-children > a::after { content: "▾"; font-size: 0.7em; margin-left: 0.3em; }
.eco-primary-menu { display: flex; align-items: center; list-style: none; margin: 0; padding: 0; }
.eco-mobile-toggle { display: none; background: none; border: none; font-size: 1.4rem; cursor: pointer; color: var(--color-primary); }


/* -----------------------------
   7. HOMEPAGE COMPONENTS
   ----------------------------- */

.eco-hero { background: linear-gradient(180deg, var(--color-primary-light) 0%, var(--color-bg-white) 100%); padding: var(--space-2xl) 0 var(--space-xl); }
.eco-hero > .container { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); align-items: center; gap: var(--space-xl); }
.eco-hero__content { min-width: 0; text-align: left; }
.eco-hero h1 { font-size: 2.75rem; max-width: 780px; margin: 0 0 var(--space-sm); }
.eco-hero p { font-size: 1.15rem; color: var(--color-text-muted); max-width: 620px; margin: 0 0 var(--space-lg); }
.eco-hero__cta { display: flex; gap: var(--space-sm); justify-content: flex-start; flex-wrap: wrap; }
.eco-hero__badge { display: inline-block; background: var(--color-bg-white); border: 1px solid var(--color-border); border-radius: 999px; padding: 0.4rem 1rem; font-size: 0.82rem; color: var(--color-text-muted); margin-bottom: var(--space-md); animation: eco-fade-float 4s ease-in-out infinite; }
.eco-hero__media { position: relative; width: 100%; aspect-ratio: 4 / 3; border-radius: var(--radius); box-shadow: var(--shadow-md); overflow: hidden; background: var(--color-bg-subtle); }
.eco-hero__media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(30, 58, 95, 0.06) 0%, rgba(30, 58, 95, 0) 40%); pointer-events: none; }
.eco-hero-img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center top; }
@keyframes eco-fade-float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-4px); } }
@media (prefers-reduced-motion: reduce) { .eco-hero__badge { animation: none; } }

.eco-section { padding: var(--space-2xl) 0; }
.eco-section--subtle { background: var(--color-bg-subtle); }
.eco-section__head { text-align: center; max-width: 620px; margin: 0 auto var(--space-xl); }

.eco-card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md); }

.eco-subject-card { display: block; background: var(--color-bg-white); border: 1px solid var(--color-border); border-radius: var(--radius); padding: var(--space-lg); box-shadow: var(--shadow-sm); transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition); }
.eco-subject-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--color-primary); color: inherit; }
.eco-subject-card__num { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 50%; background: var(--color-primary-light); color: var(--color-primary); font-weight: 700; font-family: var(--font-heading); margin-bottom: var(--space-sm); }
.eco-subject-card h3 { margin: 0 0 0.35rem; font-size: 1.15rem; }
.eco-subject-card p { margin: 0; font-size: 0.92rem; color: var(--color-text-muted); }

.eco-cta-panel { background: var(--color-primary); color: #fff; border-radius: var(--radius); padding: var(--space-xl); display: flex; align-items: center; justify-content: space-between; gap: var(--space-lg); flex-wrap: wrap; }
.eco-cta-panel h2, .eco-cta-panel p { color: #fff; margin: 0; }
.eco-cta-panel p { opacity: 0.85; margin-top: 0.4rem; }
.eco-cta-panel .btn-outline { color: #fff; border-color: rgba(255,255,255,0.5); }
.eco-cta-panel .btn-outline:hover { background: #fff; color: var(--color-primary); }

.eco-recent-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md); }
.eco-recent-card { background: var(--color-bg-white); border: 1px solid var(--color-border); border-radius: var(--radius); overflow: hidden; transition: box-shadow var(--transition), transform var(--transition); }
.eco-recent-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.eco-recent-card__thumb { aspect-ratio: 16/9; background: var(--color-bg-subtle); overflow: hidden; }
.eco-recent-card__thumb img { width: 100%; height: 100%; object-fit: cover; }
.eco-recent-card__body { padding: var(--space-sm) var(--space-md) var(--space-md); }
.eco-recent-card__cat { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--color-accent); font-weight: 700; }
.eco-recent-card h3 { font-size: 1.05rem; margin: 0.3rem 0 0; }

.eco-quick-access { display: flex; flex-wrap: wrap; gap: 0.6rem; justify-content: center; }
.eco-quick-access a { border: 1px solid var(--color-border); border-radius: 999px; padding: 0.5rem 1.1rem; font-size: 0.9rem; font-weight: 500; color: var(--color-text); background: var(--color-bg-white); transition: background var(--transition), color var(--transition), border-color var(--transition); }
.eco-quick-access a:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }


/* -----------------------------
   8. BREADCRUMBS
   ----------------------------- */

.eco-breadcrumbs { font-size: 0.85rem; color: var(--color-text-faint); margin-bottom: var(--space-md); }
.eco-breadcrumbs a { color: var(--color-text-faint); }
.eco-breadcrumbs a:hover { color: var(--color-accent); }
.eco-breadcrumbs .sep { margin: 0 0.4rem; }


/* -----------------------------
   9. ARCHIVE / CATEGORY LISTING (Economics 1-6, PYQs, Exam Material)
   ----------------------------- */

.eco-archive-head { background: var(--color-primary-light); padding: var(--space-xl) 0; margin-bottom: var(--space-xl); text-align: center; }
.eco-archive-head h1 { margin: 0 0 0.4rem; }
.eco-archive-head p { color: var(--color-text-muted); margin: 0; }

.eco-post-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-md); }
.eco-post-list-item { border: 1px solid var(--color-border); border-radius: var(--radius); padding: var(--space-md) var(--space-lg); transition: box-shadow var(--transition), transform var(--transition); display: block; }
.eco-post-list-item:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); color: inherit; }
.eco-post-list-item h3 { margin: 0 0 0.3rem; font-size: 1.1rem; }
.eco-post-list-item p { margin: 0; font-size: 0.9rem; color: var(--color-text-muted); }


/* -----------------------------
   10. FOOTER
   ----------------------------- */

.site-footer { background-color: var(--color-footer-bg); color: var(--color-footer-text); padding: var(--space-xl) 0 var(--space-md); }
.eco-footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--space-lg); padding-bottom: var(--space-lg); border-bottom: 1px solid rgba(255,255,255,0.1); }
.eco-footer-grid h4 { color: #fff; font-size: 0.95rem; margin: 0 0 var(--space-sm); }
.eco-footer-grid ul { list-style: none; margin: 0; padding: 0; }
.eco-footer-grid li { margin-bottom: 0.5rem; }
.site-footer a { color: var(--color-footer-text); font-size: 0.9rem; }
.site-footer a:hover { color: #fff; }
.eco-footer-bottom { padding-top: var(--space-md); font-size: 0.82rem; color: #9CA3AF; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem; }


/* -----------------------------
   11. SCROLL-REVEAL (Motion)
   ----------------------------- */

.eco-reveal { opacity: 0; transform: translateY(16px); transition: opacity 500ms ease, transform 500ms ease; }
.eco-reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) { .eco-reveal { opacity: 1; transform: none; transition: none; } }


/* -----------------------------
   12. RESPONSIVENESS
   ----------------------------- */

@media (max-width: 1024px) {
    .eco-card-grid, .eco-recent-grid { grid-template-columns: repeat(2, 1fr); }
    .eco-footer-grid { grid-template-columns: 1fr 1fr; }
    .eco-hero > .container { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--space-lg); }
}
@media (max-width: 768px) {
    h1 { font-size: 1.9rem; }
    .eco-hero h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    .entry-content { font-size: 1rem; }
    .eco-card-grid, .eco-recent-grid, .eco-post-list { grid-template-columns: 1fr; }
    .eco-footer-grid { grid-template-columns: 1fr 1fr; }
    .eco-hero > .container { grid-template-columns: 1fr; }
    .eco-hero__content { text-align: center; }
    .eco-hero h1 { margin-left: auto; margin-right: auto; }
    .eco-hero p { margin-left: auto; margin-right: auto; }
    .eco-hero__cta { justify-content: center; }
    .eco-cta-panel { flex-direction: column; text-align: center; }

    /* Mobile nav: hide menu by default, toggle button shows it */
    .eco-mobile-toggle { display: block; }
    .main-header-menu { display: none; width: 100%; }
    .main-header-menu.is-open { display: block; }
    .eco-header-inner { flex-wrap: wrap; }
    .eco-primary-menu { flex-direction: column; align-items: flex-start; width: 100%; }
    .main-header-menu .menu-item { width: 100%; }
    .main-header-menu .menu-item > a { display: block; padding: 0.7rem 0; border-bottom: 1px solid var(--color-border); }
}