/* =====================================================================
   崇業聯合會計師事務所 — Components（共用元件）
   ===================================================================== */

/* ---------------- 按鈕 ---------------- */
.btn {
    display: inline-flex; align-items: center; gap: .6rem;
    padding: .95rem 1.8rem;
    border-radius: 999px;
    font-weight: 700; font-size: .98rem;
    letter-spacing: .02em;
    transition: transform .3s var(--ease), box-shadow .3s var(--ease),
                background .3s var(--ease), color .3s var(--ease);
    white-space: nowrap;
}
.btn .ico { transition: transform .3s var(--ease); }
.btn:hover .ico { transform: translateX(4px); }

.btn--primary {
    background: linear-gradient(135deg, var(--gold-400), var(--gold-600));
    color: #fff;
    box-shadow: 0 12px 26px rgba(0, 144, 224, .30);
}
.btn--primary:hover { transform: translateY(-3px); box-shadow: 0 18px 36px rgba(0, 144, 224, .42); }

.btn--navy { background: var(--navy-800); color: #fff; }
.btn--navy:hover { background: var(--navy-700); transform: translateY(-3px); box-shadow: var(--shadow-md); }

.btn--ghost {
    background: transparent; color: var(--navy-800);
    border: 1.5px solid var(--line);
}
.btn--ghost:hover { border-color: var(--navy-800); background: var(--navy-800); color: #fff; }

.btn--light { background: rgba(255,255,255,.12); color: #fff; border: 1.5px solid rgba(255,255,255,.35); }
.btn--light:hover { background: #fff; color: var(--navy-800); }

.btn--sm { padding: .6rem 1.2rem; font-size: .9rem; }

/* 文字連結箭頭 */
.link-arrow {
    display: inline-flex; align-items: center; gap: .5rem;
    font-weight: 700; color: var(--navy-700);
}
.link-arrow .ico { transition: transform .3s var(--ease); }
.link-arrow:hover { color: var(--gold-600); }
.link-arrow:hover .ico { transform: translateX(5px); }

/* ---------------- 區塊標題 ---------------- */
.sec-head { margin-bottom: 3rem; }
.sec-head--center { text-align: center; }
.sec-head--center .eyebrow { justify-content: center; }

.eyebrow {
    display: inline-flex; align-items: center; gap: .6rem;
    font-family: var(--font-en);
    font-size: .82rem; font-weight: 700;
    letter-spacing: .28em; text-transform: uppercase;
    color: var(--gold-600);
    margin-bottom: 1rem;
}
.eyebrow::before {
    content: ""; width: 30px; height: 2px; background: var(--gold-500);
}
.sec-head--center .eyebrow::after {
    content: ""; width: 30px; height: 2px; background: var(--gold-500);
}

.sec-title {
    font-size: clamp(1.7rem, 3.4vw, 2.55rem);
    font-weight: 800; line-height: 1.25;
}
.sec-title .accent { color: var(--gold-600); }
.section--navy .sec-title, .section--navy .sec-lead { color: #fff; }

/* 巨型描邊背景英文字 */
.sec-ghost {
    font-family: var(--font-en);
    font-weight: 800;
    font-size: clamp(3rem, 9vw, 7rem);
    line-height: .9;
    letter-spacing: -.01em;
    color: transparent;
    -webkit-text-stroke: 1.4px rgba(0, 118, 186, .14);
    text-transform: uppercase;
    pointer-events: none;
    user-select: none;
}
.section--navy .sec-ghost { -webkit-text-stroke-color: rgba(255,255,255,.14); }

.sec-lead { color: var(--muted); max-width: 60ch; margin-top: 1rem; font-size: 1.05rem; }
.sec-head--center .sec-lead { margin-inline: auto; }

/* ---------------- 卡片 ---------------- */
.card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform .45s var(--ease), box-shadow .45s var(--ease),
                border-color .45s var(--ease);
}
.card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: transparent; }

/* 服務卡（含縮圖） */
.svc-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 0;
}
.svc-card__media {
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: linear-gradient(135deg, var(--navy-100), #fff);
}
.svc-card__media img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform .6s var(--ease);
}
.svc-card:hover .svc-card__media img { transform: scale(1.06); }
.svc-card__media.is-empty {
    background:
        radial-gradient(circle at 70% 30%, rgba(0,144,224,.22), transparent 45%),
        linear-gradient(135deg, var(--navy-700), var(--navy-900));
}
.svc-card__num {
    position: absolute; top: 1rem; right: 1rem;
    font-family: var(--font-en); font-weight: 800;
    font-size: 1.5rem;
    color: #fff;
    line-height: 1;
    padding: .45rem .65rem;
    border-radius: 10px;
    background: rgba(4, 35, 63, .72);
    backdrop-filter: blur(4px);
}
.svc-card__body {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 1.6rem 1.6rem 1.9rem;
}
.svc-card__body h3 { font-size: 1.22rem; margin-bottom: .65rem; line-height: 1.35; }
.svc-card__body p {
    color: var(--muted);
    font-size: .96rem;
    margin-bottom: 1.2rem;
    flex: 1;
}
.svc-card:hover h3 { color: var(--navy-500); }

/* 理念卡 */
.value-card { text-align: center; padding: 2.6rem 1.8rem; }
.value-card__ico {
    width: 82px; height: 82px; margin: 0 auto 1.4rem;
    border-radius: 50%;
    display: grid; place-items: center;
    background: linear-gradient(135deg, var(--navy-100), #fff);
    border: 1px solid var(--line);
    color: var(--gold-600);
}
.value-card__ico .ico { width: 38px; height: 38px; }
.value-card h3 { font-size: 1.5rem; margin-bottom: .6rem; letter-spacing: .1em; }
.value-card p { color: var(--muted); font-size: .96rem; }

/* 消息卡 */
.news-card { display: flex; flex-direction: column; height: 100%; }
.news-card__media { aspect-ratio: 16 / 10; overflow: hidden; background: var(--navy-100); }
.news-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.news-card:hover .news-card__media img { transform: scale(1.06); }
.news-card__body { padding: 1.6rem 1.6rem 1.9rem; display: flex; flex-direction: column; flex: 1; }
.news-card__meta { display: flex; align-items: center; gap: .8rem; margin-bottom: .8rem; }
.tag {
    display: inline-block;
    font-size: .74rem; font-weight: 700; letter-spacing: .05em;
    padding: .28rem .7rem; border-radius: 999px;
    background: var(--gold-100); color: var(--gold-600);
}
.news-card__date { font-family: var(--font-en); font-size: .82rem; color: var(--muted); letter-spacing: .04em; }
.news-card__body h3 { font-size: 1.12rem; line-height: 1.5; margin-bottom: .7rem; }
.news-card:hover h3 { color: var(--gold-600); }
.news-card__excerpt { color: var(--muted); font-size: .92rem; margin-bottom: 1.2rem; flex: 1; }

/* 團隊卡 */
.member-card { text-align: center; }
.member-card--link {
    display: flex;
    flex-direction: column;
    height: 100%;
    text-decoration: none;
    color: inherit;
}
.member-card--link:hover h3 { color: var(--navy-600); }
.member-card__photo {
    aspect-ratio: 3 / 4; overflow: hidden;
    background: linear-gradient(160deg, var(--navy-100), #fff);
    position: relative;
}
.member-card__photo img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.member-card:hover .member-card__photo img { transform: scale(1.05); }
.member-card__ph {
    position: absolute; inset: 0; display: grid; place-items: center;
    color: var(--navy-600); font-weight: 700;
}
.member-card__body { padding: 1.4rem 1rem 1.8rem; }
.member-card__branch { font-size: .78rem; color: var(--gold-600); font-weight: 700; letter-spacing: .1em; }
.member-card__body h3 { font-size: 1.35rem; margin: .3rem 0 .2rem; }
.member-card__role { color: var(--muted); font-size: .9rem; }

/* ---------------- 統計數字 ---------------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.stat { text-align: center; }
.stat__num {
    font-family: var(--font-en); font-weight: 800;
    font-size: clamp(2.4rem, 5vw, 3.6rem);
    line-height: 1; color: var(--gold-500);
    display: flex; align-items: baseline; justify-content: center;
}
.stat__num .suffix { font-size: .55em; }
.stat__label { margin-top: .6rem; font-size: .95rem; color: rgba(255,255,255,.78); }

/* ---------------- 頁首橫幅（內頁 hero）---------------- */
.page-hero {
    position: relative;
    padding: 10rem 0 4.5rem;
    background: linear-gradient(120deg, var(--navy-900), var(--navy-700));
    color: #fff;
    overflow: hidden;
    isolation: isolate;
}
.page-hero::before {
    content: ""; position: absolute; inset: 0; z-index: 0;
    background:
        radial-gradient(circle at 85% 20%, rgba(0,144,224,.24), transparent 42%),
        radial-gradient(circle at 10% 90%, rgba(45,184,255,.28), transparent 45%);
}
.page-hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}
.page-hero__overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background:
        linear-gradient(90deg, rgb(22 88 126 / 35%) 0%, transparent 55%),
        linear-gradient(120deg, #16587e 0%, rgb(165 165 165 / 72%) 100%),
        radial-gradient(circle at 85% 20%, rgb(219 235 243 / 18%), transparent 42%);
}
.page-hero--has-bg::before { display: none; }
.page-hero--overlap {
    padding: clamp(6.5rem, 7.5vw, 7.5rem) 0 clamp(3.2rem, 6.5vw, 4.8rem);
}
.page-hero--overlap h1 {
    font-size: clamp(1.65rem, 3.6vw, 2.25rem);
    line-height: 1.3;
}
.page-hero--overlap .breadcrumb { margin-top: .65rem; }
.page-hero--overlap .page-hero__bg {
    filter: blur(18px) saturate(1.12);
    transform: scale(1.14);
}
.page-hero--overlap .page-hero__overlay {
    background:
        linear-gradient(180deg, rgba(12, 42, 64, .78) 0%, rgba(12, 42, 64, .88) 100%),
        radial-gradient(circle at 85% 18%, rgba(0, 144, 224, .18), transparent 42%);
}
.page-hero__inner { position: relative; z-index: 2; }
.page-hero h1 { color: #fff; font-size: clamp(2rem, 4.5vw, 3rem); }
.page-hero .eyebrow { color: var(--gold-400); }
.page-hero .eyebrow::before { background: var(--gold-400); }
.breadcrumb { display: flex; gap: .5rem; align-items: center; font-size: .9rem; color: rgba(255,255,255,.7); margin-top: 1rem; }
.breadcrumb a:hover { color: var(--gold-400); }
.breadcrumb .sep { opacity: .5; }

/* ---------------- Accordion（FAQ）---------------- */
.accordion { border-top: 1px solid var(--line); }
.acc-item { border-bottom: 1px solid var(--line); }
.acc-trigger {
    width: 100%; display: flex; align-items: center; justify-content: space-between;
    gap: 1rem; text-align: left;
    padding: 1.5rem .3rem;
    font-size: 1.1rem; font-weight: 700; color: var(--navy-800);
}
.acc-trigger .ico { flex-shrink: 0; color: var(--gold-600); transition: transform .4s var(--ease); }
.acc-item.is-open .acc-trigger .ico { transform: rotate(45deg); }
.acc-panel { overflow: hidden; height: 0; transition: height .4s var(--ease); }
.acc-panel__inner { padding: 0 .3rem 1.6rem; color: var(--ink-soft); max-width: 72ch; }

/* ---------------- 表單 ---------------- */
.field { margin-bottom: 1.3rem; }
.field label { display: block; font-weight: 600; margin-bottom: .5rem; font-size: .95rem; }
.field label .req { color: #c0392b; }
.field input, .field textarea, .field select {
    width: 100%;
    padding: .9rem 1.1rem;
    border: 1.5px solid var(--line);
    border-radius: 12px;
    background: #fff;
    transition: border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.field input:focus, .field textarea:focus, .field select:focus {
    outline: none; border-color: var(--navy-600);
    box-shadow: 0 0 0 4px rgba(30, 74, 128, .12);
}
.field textarea { min-height: 140px; resize: vertical; }

/* ---------------- 通用工具 ---------------- */
.grid { display: grid; gap: 1.8rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.text-center { text-align: center; }
.mt-lg { margin-top: 3rem; }

@media (max-width: 960px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .stats { grid-template-columns: repeat(2, 1fr); gap: 2.4rem 1rem; }
}
@media (max-width: 620px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ---------------- Scroll Reveal ---------------- */
[data-reveal] {
    opacity: 0;
    transform: translateY(34px);
    transition: opacity .8s var(--ease), transform .8s var(--ease);
    will-change: opacity, transform;
}
[data-reveal].is-in { opacity: 1; transform: none; }
[data-reveal-delay="1"] { transition-delay: .1s; }
[data-reveal-delay="2"] { transition-delay: .2s; }
[data-reveal-delay="3"] { transition-delay: .3s; }
[data-reveal-delay="4"] { transition-delay: .4s; }