/*
Theme Name: Microchip Taiwan
Theme URI: https://www.microchip.com.tw/
Description: Microchip 台灣官網主題（互動卡片式 / style5）。頂列：活動・新聞・資源・連結・FAQ + 最新活動。
Version: 0.1.0
Author: IT Infrastructure
Text Domain: mchp-tw
*/

/* ===== 互動卡片式（style5）視覺系統 ===== */
:root{
  --red:#cc0000; --grad1:#ff4d6d; --grad2:#cc0000;
  --ink:#1b1f2a; --mut:#717786; --line:#eceef3; --bg:#f6f7fb; --card:#fff;
  --shadow:0 10px 30px -16px rgba(27,31,42,.25);
  --shadow-lg:0 24px 60px -24px rgba(27,31,42,.35);
  --sans:"Segoe UI",-apple-system,BlinkMacSystemFont,"Microsoft JhengHei","PingFang TC",sans-serif;
}
*{box-sizing:border-box}
body.mchp{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.65}
.mchp a{color:inherit;text-decoration:none}
.mchp img{max-width:100%;height:auto;display:block}
.mchp h1,.mchp h2,.mchp h3{line-height:1.2;font-weight:700;letter-spacing:-.01em;margin:0}
.wrap{max-width:1200px;margin:0 auto;padding-inline:1.5rem}
.eyebrow{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.08em;color:var(--red);background:rgba(204,0,0,.08);padding:.3rem .8rem;border-radius:99px;margin-bottom:1.2rem;text-transform:uppercase}

.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;border-radius:12px;font-weight:600;font-size:.95rem;cursor:pointer;border:none;transition:.2s}
.btn--lg{padding:.95rem 1.8rem;font-size:1rem}
.btn--accent{background:linear-gradient(135deg,var(--grad1),var(--grad2));color:#fff;box-shadow:0 10px 26px -10px rgba(204,0,0,.6)}
.btn--accent:hover{transform:translateY(-2px);box-shadow:0 16px 34px -10px rgba(204,0,0,.7);color:#fff}
.btn--soft{background:#fff;color:var(--ink);box-shadow:var(--shadow)}
.btn--soft:hover{transform:translateY(-2px)}

/* nav */
.nav{position:sticky;top:1rem;z-index:50;margin:1rem auto 0;max-width:1200px;border-radius:16px;background:rgba(255,255,255,.85);backdrop-filter:blur(14px);box-shadow:var(--shadow)}
.nav__inner{display:flex;align-items:center;gap:1.8rem;padding:.75rem 1.3rem}
.nav__logo img{height:28px}
.nav__menu{flex:1;margin-left:.5rem}
.nav__menu ul{display:flex;gap:1.5rem;list-style:none;margin:0;padding:0}
.nav__menu a{font-size:.94rem;color:var(--mut);padding:.4rem .2rem;border-radius:8px;transition:.2s}
.nav__menu a:hover,.nav__menu .current-menu-item>a{color:var(--red)}
.nav__actions{display:flex;align-items:center;gap:.9rem}
.nav__cta{padding:.55rem 1.15rem}
.nav__burger{display:none;width:40px;height:40px;border:none;border-radius:10px;background:var(--bg);cursor:pointer;color:var(--ink);font-size:1.2rem}

/* hero / carousel slot */
.hero{padding:3.5rem 1.5rem 1rem;display:grid;gap:1.5rem}
.hero__card{background:var(--card);border-radius:28px;padding:clamp(2rem,5vw,4rem);box-shadow:var(--shadow);position:relative;overflow:hidden}
.hero__card::after{content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(255,77,109,.18),transparent 70%)}
.hero__card h1{font-size:clamp(2.2rem,5vw,3.4rem);margin-bottom:1.2rem;max-width:20ch;position:relative}
.hero__sub{font-size:1.15rem;color:var(--mut);max-width:50ch;margin-bottom:2rem;position:relative}
.carousel-slot,.promo-slot{max-width:1200px;margin:1.5rem auto 0;padding-inline:1.5rem}
.slot-ph{border:2px dashed var(--line);border-radius:24px;padding:3rem;text-align:center;color:var(--mut);background:var(--card)}
.slot-ph b{color:var(--ink)}
.promo-img{width:100%;border-radius:24px;box-shadow:var(--shadow-lg)}

/* sections */
.section{padding-block:3rem}
.section__head{margin-bottom:2rem;display:flex;justify-content:space-between;align-items:flex-end;gap:1rem;flex-wrap:wrap}
.section__head h2{font-size:clamp(1.7rem,3vw,2.3rem)}
.section__head p{color:var(--mut);margin-top:.4rem}
.section__more{color:var(--red);font-weight:600;font-size:.9rem}

/* event cards */
.event-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem}
.ecard{background:var(--card);border-radius:18px;overflow:hidden;box-shadow:var(--shadow);transition:.25s;display:flex;flex-direction:column}
.ecard:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.ecard__top{background:linear-gradient(135deg,var(--grad1),var(--grad2));color:#fff;padding:1.2rem 1.4rem;display:flex;justify-content:space-between;align-items:center}
.ecard__top b{font-size:1.8rem;line-height:1}
.ecard__top small{font-size:.8rem;opacity:.85}
.ecard__tag{background:rgba(255,255,255,.25);padding:.2rem .6rem;border-radius:99px;font-size:.72rem;font-weight:600}
.ecard__body{padding:1.3rem 1.4rem;display:flex;flex-direction:column;flex:1}
.ecard__meta{font-size:.78rem;color:var(--mut);margin-bottom:.5rem}
.ecard__body h3{font-size:1.05rem;margin-bottom:.6rem;flex:1}
.ecard__place{color:var(--mut);font-size:.84rem}

/* news cards */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.ncard{background:var(--card);border-radius:18px;padding:1.6rem;box-shadow:var(--shadow);transition:.25s;display:flex;flex-direction:column}
.ncard:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.ncard__cat{align-self:flex-start;font-size:.74rem;font-weight:700;color:var(--red);background:rgba(204,0,0,.08);padding:.25rem .7rem;border-radius:99px;margin-bottom:.9rem}
.ncard h3{font-size:1.18rem;margin-bottom:.5rem}
.ncard p{color:var(--mut);font-size:.92rem;flex:1}
.ncard__foot{display:flex;justify-content:space-between;align-items:center;margin-top:1.1rem;padding-top:1rem;border-top:1px solid var(--line);font-size:.82rem;color:var(--mut)}
.ncard__foot span{color:var(--red);font-weight:600}

/* resource / link lists */
.list-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.lcard{background:var(--card);border-radius:18px;padding:1.5rem;box-shadow:var(--shadow);transition:.25s;border-left:4px solid transparent}
.lcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-left-color:var(--red)}
.lcard h3{font-size:1.1rem;margin-bottom:.4rem}
.lcard p{color:var(--mut);font-size:.9rem}
.lcard .go{color:var(--red);font-weight:600;font-size:.85rem;margin-top:.8rem;display:inline-block}

/* single / page content */
.article{background:var(--card);border-radius:24px;padding:clamp(1.6rem,4vw,3rem);box-shadow:var(--shadow);max-width:880px;margin-inline:auto}
.article h1{font-size:clamp(1.8rem,4vw,2.6rem);margin-bottom:1rem}
.article .meta{color:var(--mut);font-size:.9rem;margin-bottom:1.5rem}
.article .content{font-size:1.02rem}
.article .content p{margin:0 0 1rem}
.article .content img{border-radius:14px;margin:1rem 0}

/* FAQ accordion */
.faq details{background:var(--card);border-radius:14px;box-shadow:var(--shadow);margin-bottom:.9rem;overflow:hidden}
.faq summary{cursor:pointer;padding:1.1rem 1.4rem;font-weight:600;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--red);font-size:1.3rem}
.faq details[open] summary::after{content:"\2212"}
.faq details>div{padding:0 1.4rem 1.2rem;color:var(--mut)}

/* footer */
.footer{padding-block:3rem 2rem;margin-top:1rem}
.footer__inner{background:var(--card);border-radius:24px;padding:2.5rem;box-shadow:var(--shadow)}
.footer__top{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:2rem;padding-bottom:2rem;border-bottom:1px solid var(--line)}
.footer__brand img{height:26px;margin-bottom:1rem}
.footer__brand p{color:var(--mut);font-size:.9rem;max-width:30ch}
.footer__col h4{font-size:.85rem;margin-bottom:.9rem}
.footer__col a{display:block;color:var(--mut);font-size:.88rem;padding:.25rem 0;transition:.2s}
.footer__col a:hover{color:var(--red)}
.footer__bottom{padding-top:1.5rem;color:var(--mut);font-size:.83rem}

@media(max-width:1024px){
  .event-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid,.list-grid{grid-template-columns:1fr 1fr}
  .footer__top{grid-template-columns:1fr 1fr}
}
@media(max-width:720px){
  .nav__menu{display:none}
  .nav__burger{display:grid;place-items:center}
  .nav__menu.open{display:block;position:absolute;top:100%;left:0;right:0;background:#fff;padding:1rem 1.3rem;border-radius:0 0 16px 16px;box-shadow:var(--shadow)}
  .nav__menu.open ul{flex-direction:column;gap:.6rem}
}
@media(max-width:520px){
  .event-grid,.news-grid,.list-grid,.footer__top{grid-template-columns:1fr}
}

/* ===== promo tiles（大廣告下方小圖快捷區 / 推廣專區） ===== */
.promo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.pcard{background:var(--card);border-radius:18px;overflow:hidden;box-shadow:var(--shadow);transition:.25s;display:flex;flex-direction:column}
.pcard:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.pcard__img{aspect-ratio:16/10;background:var(--bg);overflow:hidden}
.pcard__img img{width:100%;height:100%;object-fit:cover;display:block}
.pcard__cap{padding:.9rem 1.1rem;font-weight:600;font-size:.98rem}
@media(max-width:1024px){.promo-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.promo-grid{grid-template-columns:1fr}}

/* ===== 首頁自訂區塊（mchp_block） ===== */
.mchp-block{margin:1.5rem auto}
.mchp-block.wrap{max-width:1200px;padding-inline:1.5rem}
.mchp-block--full{width:100%}
.mchp-block__title{font-size:clamp(1.5rem,3vw,2rem);margin:0 0 1rem}
.mchp-block__body img{border-radius:16px}

/* 超寬橫幅 banner 在推廣卡完整顯示，不裁切/放大 */
.pcard__img--wide{aspect-ratio:auto;background:#fff;display:flex;align-items:center;justify-content:center;padding:12px}
.promo-grid .pcard__img--wide img{width:100%;height:auto;object-fit:contain}