@import url('https://fonts.googleapis.com/css2?family=Zen+Kaku+Gothic+New:wght@300;400;700&display=swap');

:root {
    --kz-white: #FFFFFF;
    --kz-bg: #F9FAF7; /* Rice paper color */
    --kz-text: #333333;
    --kz-green: #78BE20; /* Matcha Green */
    --kz-teal: #008C95;
    --kz-wood: #8D6E63;
    --kz-border: #E0E0E0;
    --kz-shadow: 0 4px 20px rgba(0, 140, 149, 0.08);
    --kz-rad: 12px;
}

* { margin: 0; padding: 0; box-sizing: border-box; outline: none; }

body {
    background-color: var(--kz-bg);
    color: var(--kz-text);
    font-family: 'Zen Kaku Gothic New', sans-serif;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; transition: 0.3s; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.kz-sys-wrap {
    max-width: 1200px;
    margin: 0 auto;
    background: var(--kz-white);
    box-shadow: 0 0 40px rgba(0,0,0,0.02);
    min-height: 100vh;
    overflow-x: hidden;
}

/* HEADER & NAV */
.kz-sys-head {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    z-index: 1000;
    border-bottom: 1px solid var(--kz-border);
    padding: 15px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.kz-sys-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--kz-teal);
}

.kz-sys-brand img { width: 32px; height: 32px; }

/* Desktop Menu */
.kz-sys-desk-menu {
    display: flex;
    gap: 30px;
}

.kz-sys-lnk {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--kz-text);
}
.kz-sys-lnk:hover { color: var(--kz-green); }

/* Mobile Hamburger */
.kz-sys-burger {
    display: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
    width: 30px;
}
.kz-sys-line {
    width: 100%;
    height: 3px;
    background: var(--kz-text);
    border-radius: 2px;
    transition: 0.3s;
}

/* Mobile Menu Overlay */
.kz-sys-mob-overlay {
    position: fixed;
    top: 70px; /* Height of header */
    left: 0;
    width: 100%;
    height: 0;
    background: var(--kz-white);
    overflow: hidden;
    transition: 0.4s ease-in-out;
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding-top: 0;
    opacity: 0;
}

.kz-sys-mob-overlay.active {
    height: 100vh;
    padding-top: 40px;
    opacity: 1;
}

.kz-sys-mob-lnk {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 25px;
    color: var(--kz-text);
}

/* HERO */
.kz-sys-hero {
    padding: 80px 24px;
    text-align: center;
    background: radial-gradient(circle at center, #F0FDF4 0%, #FFFFFF 70%);
}

.kz-sys-h1 {
    font-size: 2.8rem;
    margin-bottom: 20px;
    line-height: 1.3;
    color: var(--kz-text);
}

.kz-sys-sub {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.kz-sys-cta {
    display: inline-block;
    background: var(--kz-teal);
    color: #fff;
    padding: 16px 40px;
    border-radius: 50px;
    font-weight: 700;
    box-shadow: var(--kz-shadow);
}
.kz-sys-cta:hover { background: var(--kz-green); transform: translateY(-2px); }

/* SECTIONS */
.kz-sys-sect { padding: 80px 24px; }
.kz-sys-alt { background: #F5F7FA; }

.kz-sys-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.kz-sys-img {
    border-radius: var(--kz-rad);
    box-shadow: var(--kz-shadow);
    width: 100%;
    height: 400px;
    object-fit: cover;
    filter: sepia(20%);
    transition: 0.5s;
}
.kz-sys-img:hover { filter: sepia(0%); }

.kz-sys-h2 { font-size: 2rem; margin-bottom: 20px; color: var(--kz-teal); }
.kz-sys-p { margin-bottom: 20px; color: #555; }

/* CARDS */
.kz-sys-grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.kz-sys-card {
    background: #fff;
    border: 1px solid var(--kz-border);
    border-radius: var(--kz-rad);
    padding: 30px;
    transition: 0.3s;
}
.kz-sys-card:hover { border-color: var(--kz-green); box-shadow: var(--kz-shadow); }

.kz-sys-ico { font-size: 2.5rem; margin-bottom: 15px; display: block; }
.kz-sys-h3 { font-size: 1.3rem; margin-bottom: 10px; font-weight: 700; }

/* FORM */
.kz-sys-form-box {
    background: var(--kz-teal);
    padding: 50px;
    border-radius: var(--kz-rad);
    color: #fff;
    max-width: 800px;
    margin: 0 auto;
}

.kz-sys-inp-grp { margin-bottom: 20px; }
.kz-sys-label { display: block; margin-bottom: 8px; font-size: 0.9rem; font-weight: 700; }
.kz-sys-inp {
    width: 100%;
    padding: 14px;
    border-radius: 8px;
    border: none;
    font-family: inherit;
}

/* FOOTER */
.kz-sys-foot {
    background: #2C3E50;
    color: #fff;
    padding: 60px 24px;
    margin-top: 60px;
}
.kz-sys-ft-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
}
.kz-sys-ft-lnk { display: block; color: #BDC3C7; margin-bottom: 10px; }
.kz-sys-ft-lnk:hover { color: #fff; }

/* MOBILE RESPONSIVE */
@media (max-width: 768px) {
    .kz-sys-desk-menu { display: none; }
    .kz-sys-burger { display: flex; }
    .kz-sys-h1 { font-size: 2rem; }
    .kz-sys-grid-2 { grid-template-columns: 1fr; gap: 30px; }
    .kz-sys-img { height: 250px; }
    .kz-sys-form-box { padding: 30px 20px; }
    .kz-sys-head { padding: 15px 20px; }
}