/* =========================================================
   COMMON.CSS : LG15441644 메인 리뉴얼 공통 스타일
   모듈형 Section 공통 헤더, 버튼, 카드, 뱃지, 애니메이션
========================================================= */

:root {
    --knu-navy: #0f2b4c;
    --knu-navy-deep: #0a1f38;
    --knu-navy-light: #163a6d;
    --knu-gold: #d7b372;
    --knu-gold-strong: #b98633;
    --knu-gold-light: #fff7ea;
    --knu-blue: #2563eb;
    --knu-blue-light: #eff6ff;
    --knu-red: #e11d48;
    --knu-text-dark: #111827;
    --knu-text-base: #374151;
    --knu-text-muted: #6b7280;
    --knu-border: #e5e7eb;
    --knu-bg-gray: #f8fafc;
    --knu-shadow-sm: 0 4px 12px rgba(15, 43, 76, 0.05);
    --knu-shadow-md: 0 12px 28px rgba(15, 43, 76, 0.08);
    --knu-shadow-lg: 0 20px 45px rgba(15, 43, 76, 0.14);
}

/* =========================
   기본 및 컨테이너
========================= */
* {
    box-sizing: border-box;
    word-break: keep-all;
}

.knu-main {
    position: relative;
    background: #ffffff;
    overflow-x: hidden;
}

.knu-section {
    position: relative;
    padding: 100px 0;
}

.knu-section--gray {
    background: var(--knu-bg-gray);
}

.knu-section--navy {
    background: linear-gradient(135deg, var(--knu-navy-deep) 0%, var(--knu-navy) 100%);
    color: #ffffff;
}

.knu-container {
    max-width: 1440px;
    width: 100%;
    margin: 0 auto;
    padding: 0 24px;
}

/* =========================
   공통 Section Header (#4)
========================= */
.knu-sec-head {
    text-align: center;
    max-width: 880px;
    margin: 0 auto 56px;
}

.knu-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 34px;
    padding: 0 16px;
    border-radius: 999px;
    background: rgba(215, 179, 114, 0.15);
    border: 1px solid rgba(215, 179, 114, 0.35);
    color: var(--knu-gold-strong);
    font-weight: 800;
    font-size: 13px;
    letter-spacing: 0.04em;
    margin-bottom: 16px;
    box-shadow: 0 2px 8px rgba(215, 179, 114, 0.08);
}

.knu-section--navy .knu-badge {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.28);
    color: #ffd88a;
}

.knu-sec-head h3 {
    margin: 0 0 16px;
    font-size: clamp(32px, 3.6vw, 46px);
    line-height: 1.25;
    color: var(--knu-text-dark);
    font-weight: 900;
    letter-spacing: -0.03em;
}

.knu-section--navy .knu-sec-head h3 {
    color: #ffffff;
}

.knu-sec-head p {
    margin: 0 auto;
    color: var(--knu-text-muted);
    font-size: clamp(16px, 1.6vw, 19px);
    line-height: 1.75;
}

.knu-section--navy .knu-sec-head p {
    color: rgba(255, 255, 255, 0.85);
}

/* =========================
   버튼 공통화 (#10)
========================= */
.btn-primary,
.btn-secondary,
.btn-outline,
.btn-consult,
.btn-online,
.btn-more {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 52px;
    padding: 0 26px;
    border-radius: 999px;
    font-size: 16px;
    font-weight: 800;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    letter-spacing: -0.01em;
}

.btn-primary {
    background: linear-gradient(135deg, var(--knu-navy-light) 0%, var(--knu-navy-deep) 100%);
    color: #ffffff;
    box-shadow: 0 10px 22px rgba(15, 43, 76, 0.2);
}
.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 30px rgba(15, 43, 76, 0.3);
    color: #ffffff;
}

.btn-secondary {
    background: linear-gradient(135deg, #f5d18d 0%, var(--knu-gold-strong) 100%);
    color: #ffffff;
    box-shadow: 0 10px 22px rgba(185, 134, 51, 0.25);
}
.btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 30px rgba(185, 134, 51, 0.35);
    color: #ffffff;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--knu-navy-light);
    color: var(--knu-navy-light);
}
.btn-outline:hover {
    background: var(--knu-navy-light);
    color: #ffffff;
    transform: translateY(-2px);
}

.btn-consult {
    background: #e11d48;
    color: #ffffff;
    box-shadow: 0 10px 22px rgba(225, 29, 72, 0.25);
}
.btn-consult:hover {
    background: #be123c;
    color: #ffffff;
    transform: translateY(-3px);
    box-shadow: 0 16px 30px rgba(225, 29, 72, 0.35);
}

.btn-online {
    background: #ffffff;
    border: 2px solid var(--knu-gold);
    color: var(--knu-gold-strong);
}
.btn-online:hover {
    background: var(--knu-gold);
    color: #ffffff;
    transform: translateY(-2px);
}

.btn-more {
    height: 44px;
    padding: 0 20px;
    border-radius: 12px;
    background: #f1f5f9;
    color: var(--knu-navy-light);
    font-size: 14.5px;
}
.btn-more:hover {
    background: var(--knu-navy-light);
    color: #ffffff;
}

/* =========================
   카드 공통화 (#11)
========================= */
.product-card,
.price-card,
.service-card,
.review-card,
.gallery-card {
    background: #ffffff;
    border-radius: 20px;
    border: 1px solid var(--knu-border);
    box-shadow: var(--knu-shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    overflow: hidden;
}

.product-card:hover,
.price-card:hover,
.service-card:hover,
.review-card:hover,
.gallery-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--knu-shadow-lg);
    border-color: var(--knu-gold);
}

/* 카드 헤더/썸네일/본문 공통 */
.product-card__thumb,
.service-card__thumb,
.gallery-card__thumb {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: #f1f5f9;
}
.product-card__thumb img,
.service-card__thumb img,
.gallery-card__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.product-card:hover .product-card__thumb img,
.service-card:hover .service-card__thumb img,
.gallery-card:hover .gallery-card__thumb img {
    transform: scale(1.08);
}

.product-card__body,
.service-card__body,
.review-card__body,
.price-card__body {
    padding: 24px;
}

/* =========================
   애니메이션 기본 설정 (#14)
========================= */
[data-knu-fade] {
    opacity: 0;
    transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1), transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

[data-knu-fade="fade-up"],
[data-knu-fade="data-knu-fade"],
[data-knu-fade=""] {
    transform: translateY(36px);
}

[data-knu-fade="fade-left"] {
    transform: translateX(-36px);
}

[data-knu-fade="fade-right"] {
    transform: translateX(36px);
}

[data-knu-fade="scale"] {
    transform: scale(0.92);
}

[data-knu-fade].is-show {
    opacity: 1 !important;
    transform: translate(0, 0) scale(1) !important;
}