/* ============================================================
   거긴어때 소개페이지 전용 스타일
   ⚠️ 루트 자산(/css, /images) 의존 금지 — 이 폴더 안에서 자기완결.
   ⚠️ 외부 JS 없음 — 정적 페이지, CSS 만으로 완결.
   포인트 컬러 #6B9C80 은 앱(map-view 핀)과 동일한 시그니처 초록.
   브레이크포인트는 저장소 관행대로 max-width 로 잡는다.
   ============================================================ */

:root {
    --green: #6B9C80;
    --green-deep: #557E67;
    --green-frame: #E9F0EB;
    --green-pale: #F3F7F4;
    --ink: #232823;
    --sub: #5F6862;
    --line: #E1E7E2;
    --bg: #FCFDFC;
    --white: #FFFFFF;
}

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

html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    font-family: "Pretendard", -apple-system, BlinkMacSystemFont, system-ui, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
    background: var(--bg);
    color: var(--ink);
    line-height: 1.6;
    word-break: keep-all;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--green-deep);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.inner {
    max-width: 1040px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- 배지 --- */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border: 1px solid var(--green);
    border-radius: 999px;
    color: var(--green-deep);
    font-size: 13px;
    font-weight: 600;
    line-height: 1.5;
}

.badge-solid {
    background: var(--green);
    border-color: var(--green);
    color: var(--white);
}

.badge-inline {
    font-size: 12px;
    padding: 2px 8px;
    vertical-align: 2px;
}

/* --- 히어로 --- */
.hero {
    background: linear-gradient(180deg, var(--green-pale) 0%, var(--bg) 100%);
    text-align: center;
    padding: 96px 0 80px;
}

.hero-badge-row {
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 28px;
}

.hero h1 {
    font-size: 56px;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--green-deep);
    line-height: 1.2;
}

.hero-tagline {
    margin-top: 12px;
    font-size: 22px;
    font-weight: 700;
    color: var(--ink);
}

.hero-desc {
    margin-top: 20px;
    font-size: 16px;
    color: var(--sub);
}

.hero-cta {
    margin-top: 40px;
}

/* App Store 버튼 — 출시 전이라 비활성 표기.
   ⚠️ 가짜 링크 금지 — 출시 후 <a> 로 교체하고 이 비활성 스타일을 벗긴다. */
.btn-store {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    min-width: 200px;
    padding: 12px 32px;
    border-radius: 14px;
    background: var(--ink);
    color: var(--white);
    line-height: 1.3;
}

.btn-store-small {
    font-size: 12px;
    opacity: 0.8;
}

.btn-store-big {
    font-size: 18px;
    font-weight: 700;
}

.btn-store.is-disabled {
    background: #AEB6B0;
    cursor: default;
}

.hero-cta-note {
    margin-top: 12px;
    font-size: 13px;
    color: var(--sub);
}

/* --- 기능 섹션 --- */
.feature {
    padding: 72px 0;
}

.feature-alt {
    background: var(--green-pale);
}

.feature-grid {
    display: flex;
    align-items: center;
    gap: 56px;
}

.feature-grid-reverse {
    flex-direction: row-reverse;
}

.feature-text {
    flex: 1 1 0;
}

.feature-label {
    font-size: 14px;
    font-weight: 700;
    color: var(--green);
    letter-spacing: 0.04em;
    margin-bottom: 8px;
}

.feature-text h2 {
    font-size: 32px;
    font-weight: 800;
    letter-spacing: -0.01em;
    margin-bottom: 16px;
}

.feature-text p {
    font-size: 16px;
    color: var(--sub);
}

.feature-media {
    flex: 0 0 auto;
}

/* 스크린샷 프레임 — 이미지가 아직 없어도 배경색·비율(390:844)로 자리를 지킨다 */
.phone-frame {
    width: 280px;
    aspect-ratio: 390 / 844;
    background: var(--green-frame);
    border: 1px solid var(--line);
    border-radius: 32px;
    padding: 10px;
    overflow: hidden;
    margin: 0 auto;
}

.phone-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 24px;
}

/* --- 가입 안내 --- */
.signup {
    text-align: center;
    padding: 72px 0 88px;
    border-top: 1px solid var(--line);
}

.signup h2 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 16px;
}

.signup p {
    font-size: 16px;
    color: var(--sub);
}

/* --- 푸터 --- */
.site-footer {
    border-top: 1px solid var(--line);
    padding: 40px 0 56px;
    text-align: center;
    font-size: 14px;
    color: var(--sub);
}

.site-footer p + p {
    margin-top: 8px;
}

.footer-links a {
    font-weight: 600;
}

.footer-copyright {
    font-size: 13px;
}

/* --- 문서형(개인정보처리방침) --- */
.doc-main {
    padding: 64px 0 72px;
}

.doc-main .inner {
    max-width: 760px;
}

.doc-home {
    margin-bottom: 24px;
    font-size: 14px;
}

.doc-main h1 {
    font-size: 30px;
    font-weight: 800;
    letter-spacing: -0.01em;
    margin-bottom: 16px;
}

.doc-lead {
    color: var(--sub);
    margin-bottom: 40px;
}

.doc-main section {
    margin-bottom: 36px;
}

.doc-main h2 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    padding-left: 10px;
    border-left: 3px solid var(--green);
}

.doc-main h3 {
    font-size: 16px;
    font-weight: 700;
    margin: 14px 0 6px;
}

.doc-main ul {
    padding-left: 20px;
}

.doc-main li {
    margin-bottom: 6px;
    color: var(--ink);
}

.doc-note {
    font-size: 13px;
    color: var(--sub);
}

.doc-effective {
    margin-top: 48px;
    padding-top: 20px;
    border-top: 1px solid var(--line);
    font-weight: 600;
}

/* ============================================================
   반응형 — 저장소 관행(max-width 브레이크포인트)
   ============================================================ */
@media screen and (max-width: 860px) {
    .hero {
        padding: 72px 0 60px;
    }

    .hero h1 {
        font-size: 42px;
    }

    .hero-tagline {
        font-size: 18px;
    }

    .feature {
        padding: 56px 0;
    }

    .feature-grid,
    .feature-grid-reverse {
        flex-direction: column;
        gap: 36px;
        text-align: center;
    }

    .feature-text h2 {
        font-size: 26px;
    }

    .phone-frame {
        width: 240px;
    }
}

@media screen and (max-width: 480px) {
    .hero h1 {
        font-size: 34px;
    }

    .hero-desc br {
        display: none;
    }

    .feature-text h2 {
        font-size: 23px;
    }

    .doc-main h1 {
        font-size: 24px;
    }
}