/* ==========================================================================
   Theme 2: Skyline Minimalist (Emerald Green & Crisp White)
   ========================================================================== */

:root {
    --primary: #064e3b;
    --primary-dark: #022c22;
    --accent: #10b981;
    --accent-hover: #059669;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --bg-light: #f0fdf4;
    --bg-card: #ffffff;
    --border: #d1fae5;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --shadow-sm: 0 2px 5px rgba(6, 78, 59, 0.05);
    --shadow-md: 0 12px 24px -6px rgba(6, 78, 59, 0.1);
    --shadow-lg: 0 24px 38px -12px rgba(6, 78, 59, 0.15);
    --transition: all 0.25s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Inter', 'Hind Siliguri', sans-serif; background-color: #f8fafc; color: var(--text-main); line-height: 1.6; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* Navbar */
.header { background: #ffffff; position: sticky; top: 0; z-index: 1000; border-bottom: 2px solid var(--border); box-shadow: var(--shadow-sm); }
.nav-container { display: flex; align-items: center; justify-content: space-between; height: 80px; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 900; color: var(--primary); }
.logo span { color: var(--accent); }
.theme-pill { font-size: 11px; background: #d1fae5; color: #065f46; padding: 3px 10px; border-radius: 20px; margin-left: 8px; font-weight: 700; }
.nav-menu { display: flex; list-style: none; gap: 28px; align-items: center; }
.nav-link { color: #334155; font-size: 15px; font-weight: 600; }
.nav-link:hover, .nav-link.active { color: var(--accent); }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 22px; border-radius: var(--radius-sm); font-size: 14px; font-weight: 700; cursor: pointer; border: none; transition: var(--transition); }
.btn-primary { background: var(--accent); color: #ffffff; }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline { border: 2px solid var(--primary); color: var(--primary); background: transparent; }
.btn-outline:hover { background: var(--primary); color: #fff; }

/* Hero */
.hero { background: linear-gradient(135deg, #064e3b 0%, #047857 100%); padding: 100px 0 140px; color: #ffffff; text-align: center; border-radius: 0 0 var(--radius-lg) var(--radius-lg); }
.hero-tagline { display: inline-block; background: rgba(255, 255, 255, 0.15); backdrop-filter: blur(8px); color: #a7f3d0; font-size: 13px; font-weight: 700; padding: 6px 18px; border-radius: 50px; margin-bottom: 20px; }
.hero-title { font-size: 46px; font-weight: 900; line-height: 1.25; margin-bottom: 18px; }
.hero-title span { color: #6ee7b7; text-decoration: underline wavy var(--accent); }
.hero-desc { max-width: 650px; margin: 0 auto 35px; font-size: 17px; color: #d1fae5; }

/* Filter Widget */
.search-widget { background: var(--bg-card); border-radius: var(--radius-md); box-shadow: var(--shadow-lg); margin-top: -60px; position: relative; z-index: 100; padding: 26px; border: 1px solid var(--border); }
.widget-tabs { display: flex; gap: 8px; border-bottom: 1px solid #e2e8f0; margin-bottom: 20px; padding-bottom: 12px; }
.tab-btn { background: #f1f5f9; border: none; padding: 10px 18px; font-size: 14px; font-weight: 700; color: #475569; cursor: pointer; border-radius: var(--radius-sm); transition: var(--transition); }
.tab-btn.active { color: #ffffff; background: var(--accent); }
.filter-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)) 140px; gap: 14px; align-items: flex-end; }
.form-group label { display: block; font-size: 13px; font-weight: 700; color: #334155; margin-bottom: 6px; }
.form-control { width: 100%; padding: 11px 14px; border: 1px solid #cbd5e1; border-radius: var(--radius-sm); font-size: 14px; outline: none; }
.form-control:focus { border-color: var(--accent); }

/* 3 Pillars */
.pillars-section { padding: 80px 0; }
.section-header { text-align: center; max-width: 600px; margin: 0 auto 45px; }
.section-subtitle { color: var(--accent); font-size: 13px; font-weight: 800; text-transform: uppercase; letter-spacing: 1.5px; }
.section-title { font-size: 34px; font-weight: 900; color: var(--primary-dark); margin-top: 6px; }
.pillar-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.pillar-card { background: var(--bg-card); border-radius: var(--radius-md); overflow: hidden; border: 1px solid #e2e8f0; box-shadow: var(--shadow-sm); transition: var(--transition); display: flex; flex-direction: column; }
.pillar-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--accent); }
.pillar-img-box { height: 210px; position: relative; }
.pillar-img-box img { width: 100%; height: 100%; object-fit: cover; }
.pillar-badge { position: absolute; top: 14px; left: 14px; background: var(--accent); color: #fff; font-size: 11px; font-weight: 800; padding: 4px 10px; border-radius: 50px; }
.pillar-content { padding: 22px; display: flex; flex-direction: column; flex-grow: 1; }
.pillar-title { font-size: 19px; font-weight: 800; color: var(--primary-dark); margin-bottom: 10px; }
.pillar-text { font-size: 14px; color: var(--text-muted); margin-bottom: 18px; flex-grow: 1; }
.pillar-link { font-size: 14px; font-weight: 700; color: var(--accent); display: inline-flex; align-items: center; gap: 6px; }

/* Stats */
.stats-banner { background: #064e3b; color: #fff; padding: 50px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat-number { font-size: 38px; font-weight: 900; color: #6ee7b7; margin-bottom: 4px; }
.stat-label { font-size: 13px; color: #a7f3d0; text-transform: uppercase; font-weight: 700; }

/* Footer */
.footer { background: #022c22; color: #94a3b8; padding: 70px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 35px; margin-bottom: 50px; }
.footer-col h4 { color: #fff; font-size: 15px; font-weight: 800; margin-bottom: 18px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; font-size: 13px; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.08); padding-top: 25px; text-align: center; font-size: 13px; }

@media (max-width: 992px) {
    .pillar-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr; }
    .filter-grid { grid-template-columns: 1fr; }
}