/*
Theme Name: Koto Tarikh
Theme URI: https://kototarikh.com
Author: Koto Tarikh
Author URI: https://kototarikh.com
Description: কত তারিখ (KotoTarikh.com) — আজকের বাংলা, ইংরেজি ও হিজরি তারিখ, বাংলা ক্যালেন্ডার এবং তারিখ কনভার্টার। থিম আপলোডের পর তারিখ প্রতিদিন সম্পূর্ণ স্বয়ংক্রিয়ভাবে (Asia/Dhaka সময় অনুযায়ী) আপডেট হয় — কোনো ম্যানুয়াল কাজ লাগে না।
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
Tested up to: 6.7
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: kototarikh
Tags: blog, calendar, custom-menu, custom-logo, translation-ready, right-sidebar
*/

/* ===========================================================
   ০. ভ্যারিয়েবল ও রিসেট
=========================================================== */
:root{
  --kt-green: #046A38;
  --kt-green-dark: #024a27;
  --kt-red: #DA251D;
  --kt-gold: #C9962B;
  --kt-cream: #FFFBF3;
  --kt-cream-2: #FDF3E1;
  --kt-ink: #1F2933;
  --kt-ink-soft: #52606D;
  --kt-line: #E7DFC9;
  --kt-white: #FFFFFF;
  --kt-shadow: 0 10px 30px rgba(4,106,56,0.08);
  --kt-shadow-sm: 0 4px 14px rgba(31,41,51,0.06);
  --kt-radius: 18px;
  --kt-radius-sm: 12px;
  --font-body: 'Hind Siliguri', 'Noto Sans Bengali', system-ui, sans-serif;
  --font-display: 'Noto Serif Bengali', 'Hind Siliguri', serif;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--font-body);
  background:var(--kt-cream);
  color:var(--kt-ink);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; height:auto; display:block; }
a{ color:var(--kt-green); text-decoration:none; }
a:hover{ color:var(--kt-red); }
h1,h2,h3,h4{ font-family:var(--font-display); color:var(--kt-green-dark); line-height:1.3; margin:0 0 .5em; }
ul{ margin:0; padding:0; list-style:none; }
button, input, select{ font-family:inherit; }
.container{ max-width:1180px; margin:0 auto; padding:0 20px; }
.skip-link{ position:absolute; left:-9999px; top:0; background:var(--kt-green); color:#fff; padding:10px 16px; z-index:9999; }
.skip-link:focus{ left:10px; top:10px; }

/* ===========================================================
   ১. হেডার
=========================================================== */
.site-header{
  background:var(--kt-white);
  border-bottom:1px solid var(--kt-line);
  position:sticky; top:0; z-index:100;
}
.header-inner{ display:flex; align-items:center; justify-content:space-between; padding:14px 0; gap:20px; }
.site-branding{ display:flex; align-items:center; gap:10px; }
.site-title{ font-family:var(--font-display); font-size:26px; font-weight:700; margin:0; color:var(--kt-green-dark); }
.site-title span{ color:var(--kt-red); }
.site-description{ display:none; }
.custom-logo-link img{ max-height:48px; width:auto; }

.primary-nav{ display:flex; }
.primary-nav ul{ display:flex; gap:6px; flex-wrap:wrap; align-items:center; }
.primary-nav a{
  display:block; padding:10px 14px; border-radius:10px; color:var(--kt-ink);
  font-weight:600; font-size:15px; transition:.15s;
}
.primary-nav a:hover{ background:var(--kt-cream-2); color:var(--kt-green-dark); }
.menu-toggle{ display:none; background:var(--kt-green); color:#fff; border:0; padding:10px 14px; border-radius:10px; font-weight:600; cursor:pointer; }

@media(max-width:880px){
  .menu-toggle{ display:inline-block; }
  .primary-nav{ display:none; width:100%; }
  .primary-nav.is-open{ display:block; }
  .header-inner{ flex-wrap:wrap; }
  .primary-nav ul{ flex-direction:column; align-items:stretch; gap:2px; padding:10px 0; }
}

/* ===========================================================
   ২. হিরো — আজকের তারিখ (মূল আকর্ষণ)
=========================================================== */
.hero{
  background:linear-gradient(180deg, var(--kt-green) 0%, var(--kt-green-dark) 100%);
  color:#fff; padding:46px 0 60px; position:relative; overflow:hidden;
}
.hero::after{
  content:""; position:absolute; inset:0;
  background:radial-gradient(circle at 85% 20%, rgba(201,150,43,.35), transparent 40%),
             radial-gradient(circle at 10% 90%, rgba(218,37,29,.25), transparent 40%);
  pointer-events:none;
}
.hero-inner{ position:relative; text-align:center; }
.hero-eyebrow{ font-weight:700; letter-spacing:.04em; opacity:.85; margin-bottom:6px; font-size:15px; }
.hero h1{ color:#fff; font-size:clamp(26px,4vw,40px); margin-bottom:8px; }
.hero-sub{ opacity:.9; margin-bottom:30px; font-size:16px; }

.date-cards{ display:grid; grid-template-columns:repeat(3,1fr); gap:18px; margin-top:10px; }
@media(max-width:820px){ .date-cards{ grid-template-columns:1fr; } }

.date-card{
  background:rgba(255,255,255,.98); color:var(--kt-ink); border-radius:var(--kt-radius);
  padding:26px 20px; box-shadow:var(--kt-shadow); text-align:center; position:relative;
}
.date-card .label{ font-weight:700; color:var(--kt-green); font-size:14px; margin-bottom:10px; display:flex; align-items:center; justify-content:center; gap:6px; }
.date-card .big{ font-family:var(--font-display); font-size:clamp(24px,3vw,32px); font-weight:700; color:var(--kt-ink); margin-bottom:4px; }
.date-card .small{ color:var(--kt-ink-soft); font-size:14px; }
.date-card.primary{ border:3px solid var(--kt-gold); transform:translateY(-6px); }
.date-card .badge{ position:absolute; top:-12px; right:16px; background:var(--kt-gold); color:#fff; font-size:12px; font-weight:700; padding:4px 10px; border-radius:20px; }

.hero-meta{ margin-top:22px; display:flex; justify-content:center; gap:26px; flex-wrap:wrap; font-size:15px; opacity:.95; }
.hero-meta strong{ font-weight:700; }
.live-clock{ font-variant-numeric:tabular-nums; font-weight:700; }

.copy-row{ margin-top:24px; display:flex; justify-content:center; gap:12px; flex-wrap:wrap; }
.btn{
  display:inline-flex; align-items:center; gap:8px; padding:11px 20px; border-radius:12px;
  font-weight:700; font-size:14px; cursor:pointer; border:2px solid transparent; transition:.15s;
}
.btn-gold{ background:var(--kt-gold); color:#fff; }
.btn-gold:hover{ background:#b8851f; color:#fff; }
.btn-outline{ background:transparent; color:#fff; border-color:rgba(255,255,255,.6); }
.btn-outline:hover{ background:rgba(255,255,255,.15); color:#fff; }

/* ===========================================================
   ৩. সাধারণ সেকশন
=========================================================== */
.section{ padding:56px 0; }
.section-alt{ background:var(--kt-white); }
.section-title{ text-align:center; margin-bottom:8px; font-size:clamp(22px,3vw,30px); }
.section-sub{ text-align:center; color:var(--kt-ink-soft); max-width:640px; margin:0 auto 34px; }

/* কনভার্টার */
.converter-box{
  background:var(--kt-white); border:1px solid var(--kt-line); border-radius:var(--kt-radius);
  box-shadow:var(--kt-shadow-sm); padding:28px; max-width:760px; margin:0 auto;
}
.converter-tabs{ display:flex; gap:8px; margin-bottom:20px; flex-wrap:wrap; }
.converter-tabs button{
  flex:1; min-width:150px; padding:10px 14px; border-radius:10px; border:2px solid var(--kt-line);
  background:var(--kt-cream); font-weight:700; cursor:pointer; color:var(--kt-ink-soft);
}
.converter-tabs button.active{ background:var(--kt-green); border-color:var(--kt-green); color:#fff; }
.converter-form{ display:flex; gap:12px; flex-wrap:wrap; align-items:flex-end; }
.converter-form .field{ flex:1; min-width:150px; }
.converter-form label{ display:block; font-weight:700; font-size:13px; margin-bottom:6px; color:var(--kt-ink-soft); }
.converter-form input, .converter-form select{
  width:100%; padding:11px 12px; border-radius:10px; border:1.5px solid var(--kt-line); font-size:15px; background:var(--kt-cream);
}
.converter-form .btn-convert{ background:var(--kt-red); color:#fff; padding:12px 22px; border:0; border-radius:10px; font-weight:700; cursor:pointer; }
.converter-result{ margin-top:20px; padding:18px; border-radius:12px; background:var(--kt-cream-2); text-align:center; font-size:18px; font-weight:700; color:var(--kt-green-dark); min-height:24px; }

/* ক্যালেন্ডার গ্রিড */
.cal-wrap{ background:var(--kt-white); border:1px solid var(--kt-line); border-radius:var(--kt-radius); padding:24px; box-shadow:var(--kt-shadow-sm); }
.cal-head{ display:flex; align-items:center; justify-content:space-between; margin-bottom:16px; flex-wrap:wrap; gap:10px; }
.cal-head h3{ margin:0; }
.cal-grid{ display:grid; grid-template-columns:repeat(7,1fr); gap:6px; }
.cal-grid .dow{ text-align:center; font-weight:700; color:var(--kt-green); font-size:13px; padding:6px 0; }
.cal-day{
  aspect-ratio:1/1; border-radius:10px; background:var(--kt-cream); display:flex; flex-direction:column;
  align-items:center; justify-content:center; font-size:13px; border:1px solid transparent;
}
.cal-day .g{ font-weight:700; font-size:15px; }
.cal-day .b{ font-size:11px; color:var(--kt-ink-soft); }
.cal-day.today{ background:var(--kt-green); color:#fff; border-color:var(--kt-green-dark); }
.cal-day.today .b{ color:#e3f3ea; }
.cal-day.empty{ background:transparent; }

/* মাস/ঋতু কার্ড */
.grid-4{ display:grid; grid-template-columns:repeat(4,1fr); gap:16px; }
@media(max-width:900px){ .grid-4{ grid-template-columns:repeat(2,1fr); } }
@media(max-width:520px){ .grid-4{ grid-template-columns:1fr; } }
.mini-card{ background:var(--kt-white); border:1px solid var(--kt-line); border-radius:var(--kt-radius-sm); padding:18px; text-align:center; box-shadow:var(--kt-shadow-sm); transition:.15s; }
.mini-card:hover{ transform:translateY(-3px); box-shadow:var(--kt-shadow); }
.mini-card.current{ border-color:var(--kt-gold); background:var(--kt-cream-2); }
.mini-card h4{ margin-bottom:2px; font-size:18px; }
.mini-card .en{ color:var(--kt-ink-soft); font-size:13px; }
.mini-card .range{ font-size:12px; color:var(--kt-ink-soft); margin-top:6px; }

/* FAQ */
.faq details{ background:var(--kt-white); border:1px solid var(--kt-line); border-radius:12px; padding:14px 18px; margin-bottom:10px; }
.faq summary{ font-weight:700; cursor:pointer; color:var(--kt-green-dark); }
.faq p{ margin:10px 0 0; color:var(--kt-ink-soft); }

/* CTA বক্স */
.cta-box{ background:var(--kt-gold); color:#fff; border-radius:var(--kt-radius); padding:36px; text-align:center; }
.cta-box h2{ color:#fff; }
.cta-box .btn{ background:var(--kt-green-dark); color:#fff; margin-top:10px; }

/* ===========================================================
   ৪. ফুটার
=========================================================== */
.site-footer{ background:var(--kt-green-dark); color:#e9f2ec; padding:50px 0 20px; margin-top:40px; }
.footer-grid{ display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:26px; }
@media(max-width:820px){ .footer-grid{ grid-template-columns:1fr 1fr; } }
@media(max-width:520px){ .footer-grid{ grid-template-columns:1fr; } }
.footer-widget-title{ color:#fff; font-size:16px; margin-bottom:14px; }
.site-footer a{ color:#cfe4d7; }
.site-footer a:hover{ color:#fff; }
.footer-about p{ color:#cfe4d7; font-size:14px; }
.footer-bottom{ text-align:center; border-top:1px solid rgba(255,255,255,.12); margin-top:30px; padding-top:18px; font-size:13px; color:#a9c7b6; }

/* ===========================================================
   ৫. সাধারণ পোস্ট/পেজ কনটেন্ট
=========================================================== */
.entry-content{ max-width:820px; margin:0 auto; padding:40px 20px; }
.entry-content h1,.entry-content h2,.entry-content h3{ margin-top:1.2em; }
.entry-content img{ border-radius:12px; }
.entry-content a{ text-decoration:underline; }

/* ইউটিলিটি */
.text-center{ text-align:center; }
.mt-0{ margin-top:0; }
.visually-hidden{ position:absolute !important; width:1px; height:1px; overflow:hidden; clip:rect(0,0,0,0); }