/* ==========================================================
   FARMLAND Design System
   - Font   : Noto Sans KR
   - Base   : White / Warm Gray
   - Main   : Deep Emerald Green
   - Accent : Calm Beige
   ========================================================== */

:root {
    --green-900: #0C3B2E;   /* 딥 그린 (헤드라인·푸터) */
    --green-700: #14634B;   /* 메인 에메랄드 그린 */
    --green-500: #1F8A66;   /* 호버·포인트 */
    --green-050: #EDF5F1;   /* 옅은 그린 배경 */
    --beige-300: #D9CDB8;   /* 포인트 베이지 */
    --beige-100: #F4EFE6;   /* 밝은 베이지 배경 */
    --gray-900:  #24272B;   /* 본문 텍스트 */
    --gray-600:  #5C6470;   /* 보조 텍스트 (웜 그레이) */
    --gray-200:  #E7E5E1;   /* 라인 */
    --white:     #FFFFFF;

    --font: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    --container: 1160px;
    --radius: 18px;
    --shadow: 0 18px 50px -20px rgba(12, 59, 46, .25);
    --ease: cubic-bezier(.22, .8, .3, 1);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    color: var(--gray-900);
    background: var(--white);
    line-height: 1.7;
    letter-spacing: -0.01em;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}
.container.narrow { max-width: 780px; }

.eyebrow {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--green-700);
    margin-bottom: 14px;
}

/* ---------- Header ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, .86);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: border-color .3s;
}
.site-header.scrolled { border-color: var(--gray-200); }

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
}

.logo {
    font-size: 22px;
    font-weight: 900;
    letter-spacing: .06em;
    color: var(--green-900);
}
.logo span { color: var(--green-500); }

.gnb { display: flex; gap: 36px; }
.gnb a {
    font-size: 15px;
    font-weight: 500;
    color: var(--gray-600);
    padding: 6px 0;
    position: relative;
    transition: color .25s;
}
.gnb a::after {
    content: '';
    position: absolute;
    left: 0; bottom: 0;
    width: 100%; height: 2px;
    background: var(--green-500);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .3s var(--ease);
}
.gnb a:hover, .gnb a.on { color: var(--green-900); }
.gnb a:hover::after, .gnb a.on::after { transform: scaleX(1); }

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: 0;
    cursor: pointer;
    padding: 8px;
}
.menu-toggle span {
    width: 24px; height: 2px;
    background: var(--green-900);
    transition: transform .3s var(--ease), opacity .3s;
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    padding: 120px 0 140px;
    overflow: hidden;
    background:
        radial-gradient(900px 420px at 85% -10%, var(--green-050) 0%, transparent 70%),
        radial-gradient(700px 380px at -10% 110%, var(--beige-100) 0%, transparent 65%),
        var(--white);
}
.hero-inner { max-width: 760px; }

.hero-title {
    font-size: clamp(38px, 6vw, 64px);
    font-weight: 900;
    line-height: 1.22;
    letter-spacing: -0.03em;
    color: var(--green-900);
    margin-bottom: 26px;
}
.hero-sub {
    font-size: 18px;
    color: var(--gray-600);
    max-width: 560px;
    margin-bottom: 40px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* 시그니처: 지평선 라인 — 밭고랑을 형상화한 얇은 성장 라인 */
.hero-visual {
    position: absolute;
    left: 0; right: 0; bottom: 56px;
    pointer-events: none;
}
.field-line {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--green-500) 20%, var(--beige-300) 80%, transparent);
    transform: scaleX(0);
    transform-origin: left;
    animation: grow 1.6s .4s var(--ease) forwards;
}
@keyframes grow { to { transform: scaleX(1); } }

/* ---------- Buttons ---------- */
.btn-primary, .btn-ghost, .btn-light {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 700;
    transition: transform .25s var(--ease), background .25s, color .25s, box-shadow .25s;
    border: 0;
    cursor: pointer;
    font-family: var(--font);
}
.btn-primary { background: var(--green-700); color: #fff; box-shadow: var(--shadow); }
.btn-primary:hover { background: var(--green-500); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--green-900); border: 1.5px solid var(--gray-200); }
.btn-ghost:hover { border-color: var(--green-500); color: var(--green-700); }
.btn-light { background: var(--beige-100); color: var(--green-900); }
.btn-light:hover { background: var(--beige-300); transform: translateY(-2px); }

.text-link {
    display: inline-block;
    margin-top: 20px;
    font-weight: 700;
    color: var(--green-700);
    border-bottom: 2px solid var(--beige-300);
    padding-bottom: 2px;
    transition: border-color .25s, color .25s;
}
.text-link:hover { color: var(--green-500); border-color: var(--green-500); }

/* ---------- Sections ---------- */
.section { padding: 110px 0; }

.section-title {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 900;
    letter-spacing: -0.02em;
    color: var(--green-900);
    margin-bottom: 14px;
}
.section-sub { color: var(--gray-600); font-size: 17px; margin-bottom: 56px; }

/* 사업 흐름 3단계 */
.flow {
    display: grid;
    grid-template-columns: 1fr 48px 1fr 48px 1fr;
    align-items: stretch;
    gap: 8px;
}
.flow-step {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 36px 30px;
    transition: transform .3s var(--ease), box-shadow .3s, border-color .3s;
}
.flow-step:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow);
    border-color: var(--green-050);
}
.flow-num {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .12em;
    color: var(--green-700);
    background: var(--green-050);
    border-radius: 999px;
    padding: 5px 14px;
    margin-bottom: 18px;
}
.flow-step h3 { font-size: 20px; font-weight: 700; color: var(--green-900); margin-bottom: 10px; }
.flow-step p { font-size: 15px; color: var(--gray-600); }

.flow-arrow {
    align-self: center;
    height: 1px;
    background: linear-gradient(90deg, var(--beige-300), var(--green-500));
    position: relative;
}
.flow-arrow::after {
    content: '';
    position: absolute;
    right: -1px; top: -3.5px;
    width: 8px; height: 8px;
    border-top: 1.5px solid var(--green-500);
    border-right: 1.5px solid var(--green-500);
    transform: rotate(45deg);
}

/* ---------- Split (이미지 + 텍스트 교차) ---------- */
.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: clamp(40px, 6vw, 90px);
    max-width: var(--container);
    margin: 0 auto;
    padding: 70px 24px;
}
.split.reverse .split-media { order: 2; }

.split-media {
    aspect-ratio: 4 / 3;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    background-size: cover;
    background-position: center;
}
/* 실제 이미지 준비 후 background-image 를 교체하세요 */
.media-potato { background-image: linear-gradient(135deg, #C9A876, #8A6B43); }
.media-field  { background-image: linear-gradient(135deg, #1F8A66, #0C3B2E); }
.media-prep   { background-image: linear-gradient(135deg, #D9CDB8, #A08D6B); }
.media-dist   { background-image: linear-gradient(135deg, #14634B, #1F8A66); }
.media-farm   { background-image: linear-gradient(135deg, #0C3B2E, #14634B); }

.split-body h2 {
    font-size: clamp(26px, 3.4vw, 36px);
    font-weight: 900;
    line-height: 1.35;
    letter-spacing: -0.02em;
    color: var(--green-900);
    margin-bottom: 18px;
}
.split-body p { color: var(--gray-600); font-size: 16.5px; }

.chip-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.chip-list li {
    font-size: 14px;
    font-weight: 500;
    color: var(--green-900);
    background: var(--beige-100);
    border: 1px solid var(--beige-300);
    border-radius: 999px;
    padding: 7px 16px;
}

/* ---------- CTA band ---------- */
.cta-band {
    background: var(--green-900);
    color: #fff;
    padding: 90px 0;
    margin-top: 40px;
}
.cta-band .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    flex-wrap: wrap;
}
.cta-text {
    font-size: clamp(19px, 2.4vw, 24px);
    font-weight: 500;
    line-height: 1.6;
    max-width: 680px;
}

/* ---------- 서브 페이지 공통 ---------- */
.page-head {
    padding: 100px 0 70px;
    background: linear-gradient(180deg, var(--green-050), transparent);
}
.page-head h1 {
    font-size: clamp(34px, 5vw, 52px);
    font-weight: 900;
    letter-spacing: -0.03em;
    color: var(--green-900);
}
.page-lead { margin-top: 20px; max-width: 640px; color: var(--gray-600); font-size: 17px; }

/* 회사소개 */
.vision { background: var(--white); }
.vision-body { font-size: 18px; color: var(--gray-600); }

.history-wrap { background: var(--beige-100); }
.history li {
    display: grid;
    grid-template-columns: 110px 1fr;
    gap: 24px;
    padding: 26px 0;
    border-bottom: 1px solid var(--beige-300);
}
.history li:last-child { border-bottom: 0; }
.history-year { font-weight: 900; font-size: 20px; color: var(--green-700); }
.history-desc { color: var(--gray-900); align-self: center; }

/* 오시는 길 */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 20px;
    margin-bottom: 48px;
}
.contact-card {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 30px;
    transition: border-color .3s, box-shadow .3s;
}
.contact-card:hover { border-color: var(--green-050); box-shadow: var(--shadow); }
.contact-card h3 {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: .1em;
    color: var(--green-700);
    margin-bottom: 10px;
}
.map-placeholder {
    height: 420px;
    border-radius: var(--radius);
    background: var(--green-050);
    display: grid;
    place-items: center;
    color: var(--gray-600);
}

/* ---------- Footer ---------- */
.site-footer {
    background: var(--green-900);
    color: rgba(255, 255, 255, .8);
    padding: 70px 0 0;
    margin-top: 0;
}
.footer-inner {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    flex-wrap: wrap;
    padding-bottom: 44px;
}
.footer-logo { font-size: 20px; font-weight: 900; letter-spacing: .06em; color: #fff; }
.footer-logo span { color: var(--green-500); }
.footer-desc { margin-top: 8px; font-size: 14px; }
.footer-info { font-size: 14px; line-height: 2; text-align: right; }
.copyright {
    border-top: 1px solid rgba(255, 255, 255, .12);
    padding-top: 24px;
    padding-bottom: 28px;
    font-size: 13px;
    color: rgba(255, 255, 255, .45);
}

/* ---------- Reveal 애니메이션 ---------- */
.reveal {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
    .field-line { animation: none; transform: none; }
    html { scroll-behavior: auto; }
}

/* ---------- 비밀 관리자 모달 & 게이트 ---------- */
.gate-modal {
    position: fixed;
    inset: 0;
    z-index: 999;
    background: rgba(12, 59, 46, .55);
    backdrop-filter: blur(6px);
    display: grid;
    place-items: center;
}
/* 기본은 완전히 숨김 — 비밀 단축키 입력 시에만 JS가 hidden 을 해제 */
.gate-modal[hidden] { display: none !important; }
.gate-body {
    min-height: 100vh;
    display: grid;
    place-items: center;
    background: linear-gradient(160deg, var(--green-050), var(--beige-100));
    padding: 24px;
}
.gate-card {
    width: min(380px, 100%);
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 44px 38px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.gate-brand { font-weight: 900; letter-spacing: .12em; color: var(--green-500); font-size: 13px; }
.gate-card h1 { font-size: 24px; font-weight: 900; color: var(--green-900); margin-bottom: 6px; }
.gate-card input {
    font-family: var(--font);
    font-size: 15px;
    padding: 14px 16px;
    border: 1.5px solid var(--gray-200);
    border-radius: 12px;
    outline: none;
    transition: border-color .25s;
}
.gate-card input:focus { border-color: var(--green-500); }
.gate-card button[type="submit"] {
    margin-top: 6px;
    padding: 14px;
    border: 0;
    border-radius: 12px;
    background: var(--green-700);
    color: #fff;
    font-family: var(--font);
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: background .25s;
}
.gate-card button[type="submit"]:hover { background: var(--green-500); }
.gate-close {
    background: none;
    border: 0;
    color: var(--gray-600);
    font-family: var(--font);
    font-size: 14px;
    cursor: pointer;
}
.gate-error { color: #B4453A; font-size: 14px; }
.gate-notice {
    font-size: 14px;
    color: var(--green-900);
    background: var(--green-050);
    border-radius: 10px;
    padding: 12px 14px;
}

/* ---------- 관리자 대시보드 ---------- */
.admin-body { background: #F7F6F3; }
.admin-top {
    position: sticky;
    top: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    height: 64px;
    background: var(--green-900);
    color: #fff;
}
.admin-logo { font-weight: 900; letter-spacing: .08em; }
.admin-logo em { font-style: normal; color: var(--green-500); font-size: 12px; margin-left: 6px; }
.admin-top nav { display: flex; gap: 22px; }
.admin-top nav a { font-size: 14px; color: rgba(255,255,255,.8); }
.admin-top nav a:hover { color: #fff; }

.admin-main { max-width: 860px; margin: 0 auto; padding: 48px 24px 100px; }
.admin-main h1 { font-size: 28px; font-weight: 900; color: var(--green-900); }
.admin-hint { color: var(--gray-600); margin: 8px 0 28px; font-size: 15px; }
.admin-flash {
    background: var(--green-050);
    color: var(--green-700);
    font-weight: 700;
    border-radius: 12px;
    padding: 14px 18px;
    margin-bottom: 24px;
}
.admin-section {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 32px;
    margin-bottom: 24px;
}
.admin-section h2 {
    font-size: 18px;
    font-weight: 700;
    color: var(--green-700);
    padding-bottom: 14px;
    border-bottom: 1px solid var(--gray-200);
    margin-bottom: 22px;
}
.admin-field { margin-bottom: 22px; }
.admin-field label {
    display: block;
    font-size: 14px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
}
.admin-field textarea {
    width: 100%;
    font-family: var(--font);
    font-size: 15px;
    line-height: 1.7;
    padding: 13px 15px;
    border: 1.5px solid var(--gray-200);
    border-radius: 12px;
    resize: vertical;
    outline: none;
    transition: border-color .25s;
}
.admin-field textarea:focus { border-color: var(--green-500); }
.admin-meta { display: block; margin-top: 6px; font-size: 12px; color: var(--gray-600); }
.admin-actions {
    position: sticky;
    bottom: 20px;
    text-align: right;
}

/* ---------- 반응형 ---------- */
@media (max-width: 900px) {
    .flow { grid-template-columns: 1fr; }
    .flow-arrow { display: none; }

    .split { grid-template-columns: 1fr; padding: 50px 24px; }
    .split.reverse .split-media { order: 0; }

    .footer-info { text-align: left; }
}

@media (max-width: 720px) {
    .menu-toggle { display: flex; }
    .gnb {
        position: fixed;
        top: 76px; left: 0; right: 0;
        background: var(--white);
        flex-direction: column;
        gap: 0;
        border-bottom: 1px solid var(--gray-200);
        transform: translateY(-8px);
        opacity: 0;
        pointer-events: none;
        transition: opacity .3s var(--ease), transform .3s var(--ease);
    }
    .gnb.open { opacity: 1; transform: none; pointer-events: auto; }
    .gnb a { padding: 18px 24px; border-top: 1px solid var(--gray-200); }
    .gnb a::after { display: none; }

    .hero { padding: 80px 0 100px; }
    .section { padding: 70px 0; }
    .history li { grid-template-columns: 72px 1fr; gap: 14px; }
}