/* ============================================================
   ENERTECH — city.css
   Shared stylesheet for city landing pages
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Rajdhani:wght@600;700&display=swap');

:root {
    --navy: #09164D;
    --blue: #0D8BC4;
    --blue-light: rgba(13,139,196,0.12);
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-500: #6b7280;
    --gray-700: #374151;
    --text: #1f2937;
    --radius: 12px;
    --shadow: 0 2px 12px rgba(0,0,0,0.08);
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--text);
    line-height: 1.6;
    background: var(--white);
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== HEADER ===== */
.ch-header {
    background: var(--navy);
    padding: 14px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 12px rgba(0,0,0,0.2);
}
.ch-header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}
.ch-logo { height: 40px; width: auto; display: block; }
.ch-wpp-btn {
    background: #25D366;
    color: white;
    padding: 10px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.88rem;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
    transition: background 0.2s;
}
.ch-wpp-btn:hover { background: #1ebe5d; }

/* ===== BREADCRUMB ===== */
.ch-breadcrumb {
    background: var(--gray-100);
    padding: 10px 0;
    font-size: 0.82rem;
    color: var(--gray-500);
    border-bottom: 1px solid var(--gray-200);
}
.ch-breadcrumb a { color: var(--blue); text-decoration: none; }
.ch-breadcrumb a:hover { text-decoration: underline; }

/* ===== HERO ===== */
.ch-hero {
    background: linear-gradient(135deg, var(--navy) 0%, #0a1f6b 100%);
    padding: 56px 0 60px;
    color: white;
}
.ch-hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(13,139,196,0.2);
    border: 1px solid rgba(13,139,196,0.5);
    color: #7dd3fc;
    padding: 5px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 18px;
}
.ch-hero h1 {
    font-family: 'Rajdhani', sans-serif;
    font-size: 2.2rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
}
.ch-hero p {
    font-size: 1.05rem;
    opacity: 0.85;
    max-width: 620px;
    margin-bottom: 28px;
    line-height: 1.7;
}
.ch-hero-btns { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-wpp {
    background: #25D366;
    color: white;
    padding: 13px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: background 0.2s;
}
.btn-wpp:hover { background: #1ebe5d; }
.btn-outline {
    border: 2px solid rgba(255,255,255,0.35);
    color: white;
    padding: 13px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: border-color 0.2s, background 0.2s;
}
.btn-outline:hover { border-color: rgba(255,255,255,0.7); background: rgba(255,255,255,0.06); }

/* ===== SECTIONS ===== */
.ch-section { padding: 56px 0; }
.ch-section-alt { padding: 56px 0; background: var(--gray-50); }

.ch-section-header { margin-bottom: 32px; }
.ch-section-header h2 {
    font-family: 'Rajdhani', sans-serif;
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 8px;
}
.ch-section-header p { color: var(--gray-500); font-size: 0.95rem; }

/* ===== SERVICES GRID ===== */
.ch-services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}
.ch-srv {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 24px;
    transition: box-shadow 0.2s, border-color 0.2s;
}
.ch-srv:hover {
    box-shadow: var(--shadow);
    border-color: var(--blue);
}
.ch-srv-icon {
    width: 46px;
    height: 46px;
    background: var(--blue-light);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blue);
    font-size: 1.2rem;
    margin-bottom: 14px;
}
.ch-srv h3 {
    font-size: 0.97rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 6px;
}
.ch-srv p {
    font-size: 0.88rem;
    color: var(--gray-500);
    line-height: 1.6;
}

/* ===== STATS ===== */
.ch-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 32px;
}
.ch-stat {
    text-align: center;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 24px 16px;
}
.ch-stat-num {
    font-family: 'Rajdhani', sans-serif;
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--blue);
    display: block;
}
.ch-stat-label {
    font-size: 0.85rem;
    color: var(--gray-500);
    margin-top: 4px;
}

/* ===== BADGES ===== */
.ch-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.ch-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--blue-light);
    border: 1px solid rgba(13,139,196,0.3);
    color: var(--navy);
    padding: 7px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}
.ch-badge i { color: var(--blue); font-size: 0.8rem; }

/* ===== FAQ ===== */
.ch-faq-list {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    overflow: hidden;
}
.ch-faq-item { border-bottom: 1px solid var(--gray-200); }
.ch-faq-item:last-child { border-bottom: none; }
.ch-faq-q {
    width: 100%;
    text-align: left;
    padding: 18px 20px;
    background: white;
    border: none;
    cursor: pointer;
    font-size: 0.93rem;
    font-weight: 600;
    color: var(--navy);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    transition: background 0.15s;
}
.ch-faq-q:hover { background: var(--gray-50); }
.ch-faq-q i { color: var(--blue); flex-shrink: 0; transition: transform 0.25s; }
.ch-faq-item.open .ch-faq-q i { transform: rotate(180deg); }
.ch-faq-a {
    display: none;
    padding: 4px 20px 18px;
    font-size: 0.9rem;
    color: var(--gray-700);
    line-height: 1.75;
    background: white;
}
.ch-faq-item.open .ch-faq-a { display: block; }

/* ===== CTA SECTION ===== */
.ch-cta {
    background: linear-gradient(135deg, var(--navy) 0%, #0a1f6b 100%);
    padding: 60px 0;
    color: white;
    text-align: center;
}
.ch-cta h2 {
    font-family: 'Rajdhani', sans-serif;
    font-size: 1.9rem;
    font-weight: 700;
    color: white;
    margin-bottom: 12px;
}
.ch-cta p { opacity: 0.8; margin-bottom: 28px; font-size: 1rem; }
.btn-wpp-lg {
    background: #25D366;
    color: white;
    padding: 15px 32px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.05rem;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: background 0.2s;
}
.btn-wpp-lg:hover { background: #1ebe5d; }

/* ===== FOOTER ===== */
.ch-footer {
    background: #060d2e;
    color: rgba(255,255,255,0.45);
    text-align: center;
    padding: 22px 20px;
    font-size: 0.82rem;
    line-height: 1.8;
}
.ch-footer a { color: var(--blue); text-decoration: none; }
.ch-footer a:hover { text-decoration: underline; }

/* ===== RESPONSIVE ===== */
@media (max-width: 640px) {
    .ch-hero h1 { font-size: 1.65rem; }
    .ch-hero p { font-size: 0.95rem; }
    .ch-services-grid { grid-template-columns: 1fr; }
    .ch-stats-grid { grid-template-columns: 1fr; gap: 12px; }
    .ch-wpp-btn span { display: none; }
}