/* =============================================================
   base.css — 모든 페이지 공통 스타일
   직지응급환자이송단 | lds77.github.io
   ============================================================= */

/* ----- Reset ----- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    overflow-x: hidden;
    max-width: 100vw;
}

/* ----- Font ----- */
@import url('https://fonts.googleapis.com/css2?family=Nanum+Gothic:wght@400;700;800&display=swap');

@font-face {
    font-family: 'Noto Sans KR';
    font-display: swap;
}

/* ----- Core Web Vitals ----- */
img {
    content-visibility: auto;
    contain-intrinsic-size: 96px 96px;
    max-width: 100%;
}

/* ----- Body ----- */
body {
    font-family: 'Nanum Gothic', 'Noto Sans KR', Arial, sans-serif;
    line-height: 1.8;
    color: #374151;
    background: #f8f9fa;
    max-width: 100vw;
    overflow-x: hidden;
}

/* ----- Container ----- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    overflow-x: hidden;
}

/* ----- Header ----- */
header {
    background: #0369a1;
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 8px rgba(3,105,161,0.2);
    position: relative;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
    cursor: pointer;
}

.logo img {
    max-width: 96px;
    height: auto;
    display: inline-block;
    vertical-align: middle;
    border-radius: 50%;
}

.logo-icon {
    width: 46px;
    height: 46px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: #38bdf8;
}

.logo h1 {
    font-size: 1.6rem;
    font-weight: 700;
    margin: 0;
}

.phone-number {
    font-size: 1.6rem;
    font-weight: 900;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.2);
}

/* ----- Breadcrumb ----- */
.breadcrumb {
    background: white;
    padding: 12px 0;
    border-bottom: 1px solid #e9ecef;
    font-size: 0.9rem;
}

.breadcrumb a {
    color: #6c757d;
    text-decoration: none;
    margin-right: 10px;
    transition: color 0.2s;
}

.breadcrumb a:hover {
    color: var(--accent, #e74c3c);
}

.breadcrumb span {
    color: var(--accent, #e74c3c);
    font-weight: 600;
}

/* ----- 플로팅 블로그 버튼 (네이버) ----- */
.fixed-blog-btn {
    position: fixed;
    bottom: 20px;
    left: 20px;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #03C75A, #00B04F);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    font-size: 20px;
    box-shadow: 0 4px 12px rgba(3,199,90,0.4);
    z-index: 1000;
    transition: all 0.3s ease;
}

.fixed-blog-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 18px rgba(3,199,90,0.55);
    color: white;
}

/* ----- Pulse 애니메이션 ----- */
@keyframes pulse {
    0%   { transform: scale(1); }
    50%  { transform: scale(1.08); }
    100% { transform: scale(1); }
}

/* =============================================================
   반응형 — 768px
   ============================================================= */
@media (max-width: 768px) {
    html, body {
        overflow-x: hidden;
        max-width: 100vw;
    }

    .container {
        padding: 0 15px;
    }

    header {
        padding: 0.6rem 0;
    }

    .header-content {
        flex-direction: column;
        gap: 6px;
        text-align: center;
    }

    .logo h1 {
        font-size: 1.25rem;
    }

    .phone-number {
        font-size: 1.3rem;
    }

    .fixed-blog-btn {
        width: 48px;
        height: 48px;
        font-size: 17px;
        bottom: 15px;
        left: 15px;
    }
}

/* =============================================================
   반응형 — 480px
   ============================================================= */
@media (max-width: 480px) {
    .header-content {
        flex-direction: column;
        gap: 8px;
        align-items: flex-start;
        padding-left: 15px;
    }

    .logo {
        width: 100%;
        justify-content: flex-start;
    }

    .phone-number {
        font-size: 1.2rem;
        width: 100%;
        text-align: left;
        padding-left: 15px;
    }
}