/* ===================================================
   CyberTani — Stylesheet
   Palet: hijau & putih  |  Tema: sawah di gunung
   =================================================== */

:root {
    --green-900: #123d1e;
    --green-800: #17612f;
    --green-700: #1f7a3d;
    --green-600: #2a9d4f;
    --green-500: #35b45f;
    --green-400: #5cc47f;
    --green-100: #e6f6ea;
    --green-50:  #f2fbf4;
    --white:     #ffffff;
    --ink:       #16281c;
    --muted:     #5c7064;
    --ring:      0 10px 30px rgba(31, 122, 61, 0.12);
    --radius:    18px;
    --max:       1140px;
    font-size: 16px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
    font-family: "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
    color: var(--ink);
    background: var(--white);
    line-height: 1.65;
    overflow-x: hidden;
}

h1, h2, h3, h4 { line-height: 1.2; font-weight: 800; letter-spacing: -0.02em; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

.container { width: min(92%, var(--max)); margin-inline: auto; }

/* ===== NAVBAR ===== */
.navbar {
    position: fixed; inset: 0 0 auto 0; z-index: 100;
    transition: background .3s, box-shadow .3s, padding .3s;
    padding: 18px 0;
}
.navbar.scrolled {
    background: rgba(255,255,255,.9);
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 24px rgba(18,61,30,.08);
    padding: 10px 0;
}
.nav-inner {
    width: min(92%, var(--max)); margin-inline: auto;
    display: flex; align-items: center; justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 10px; font-size: 1.35rem; font-weight: 800; color: var(--white); }
.navbar.scrolled .brand { color: var(--green-900); }
.brand-mark { font-size: 1.5rem; filter: drop-shadow(0 2px 4px rgba(0,0,0,.2)); }
.brand-text b { color: var(--green-400); }
.navbar.scrolled .brand-text b { color: var(--green-600); }

.nav-links { list-style: none; display: flex; align-items: center; gap: 28px; }
.nav-links a { color: rgba(255,255,255,.92); font-weight: 600; font-size: .95rem; transition: color .2s; }
.navbar.scrolled .nav-links a { color: var(--green-900); }
.nav-links a:hover { color: var(--green-400); }
.navbar.scrolled .nav-links a:hover { color: var(--green-600); }
.nav-cta {
    background: var(--green-500); color: var(--white) !important;
    padding: 9px 18px; border-radius: 999px; box-shadow: 0 6px 18px rgba(53,180,95,.4);
}
.nav-cta:hover { background: var(--green-600); transform: translateY(-1px); }

.nav-donate {
    font-family: inherit; font-weight: 600; font-size: .95rem; cursor: pointer;
    color: var(--white); background: transparent;
    border: 1.5px solid rgba(255,255,255,.55); border-radius: 999px;
    padding: 8px 16px; transition: color .2s, background .2s, border-color .2s, transform .2s;
}
.nav-donate:hover { background: rgba(255,255,255,.15); border-color: var(--white); transform: translateY(-1px); }
.navbar.scrolled .nav-donate { color: var(--green-800); border-color: var(--green-400); }
.navbar.scrolled .nav-donate:hover { background: var(--green-50); border-color: var(--green-600); }

/* ===== MODAL DONASI ===== */
.donate-overlay {
    position: fixed; inset: 0; z-index: 200;
    display: none; align-items: center; justify-content: center; padding: 20px;
    background: rgba(18, 61, 30, .55); backdrop-filter: blur(6px);
    animation: donateFade .25s ease;
}
.donate-overlay.open { display: flex; }
.donate-modal {
    position: relative; width: min(100%, 400px);
    background: var(--white); border-radius: var(--radius); padding: 28px 24px;
    box-shadow: 0 30px 70px rgba(18, 61, 30, .35); text-align: center;
    animation: donatePop .3s cubic-bezier(.2, .8, .3, 1.2);
}
.donate-close {
    position: absolute; top: 12px; right: 14px; width: 34px; height: 34px;
    border: 0; border-radius: 50%; cursor: pointer; font-size: 1.4rem; line-height: 1;
    color: var(--muted); background: var(--green-50); transition: background .2s, color .2s;
}
.donate-close:hover { background: var(--green-100); color: var(--green-800); }
.donate-heading { color: var(--green-800); font-size: 1.35rem; margin-bottom: 6px; }
.donate-text { color: var(--muted); font-size: .95rem; margin-bottom: 18px; }
#multiqris-widget { display: flex; justify-content: center; }

@keyframes donateFade { from { opacity: 0; } to { opacity: 1; } }
@keyframes donatePop { from { opacity: 0; transform: translateY(16px) scale(.96); } to { opacity: 1; transform: none; } }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 6px; }
.nav-toggle span { width: 26px; height: 3px; border-radius: 3px; background: var(--white); transition: .3s; }
.navbar.scrolled .nav-toggle span { background: var(--green-900); }

/* ===== HERO / PARALLAX SCENE ===== */
.hero {
    position: relative; min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    text-align: center; overflow: hidden;
    background: linear-gradient(180deg, #bfe9ff 0%, #e7f7ee 55%, #f2fbf4 100%);
}
.scene { position: absolute; inset: 0; z-index: 1; }
.layer { position: absolute; inset: 0; will-change: transform; }

/* langit */
.layer-sky { z-index: 1; }
.sun {
    position: absolute; top: 12%; right: 16%;
    width: 120px; height: 120px; border-radius: 50%;
    background: radial-gradient(circle at 50%, #fff7d6, #ffe38a 60%, #ffd15c);
    box-shadow: 0 0 80px 30px rgba(255,220,120,.55);
}
.cloud { position: absolute; background: #fff; border-radius: 100px; opacity: .9; filter: blur(1px); }
.cloud::before, .cloud::after { content: ""; position: absolute; background: #fff; border-radius: 50%; }
.cloud-1 { top: 18%; left: 12%; width: 160px; height: 42px; }
.cloud-1::before { width: 70px; height: 70px; top: -32px; left: 26px; }
.cloud-1::after  { width: 50px; height: 50px; top: -22px; left: 90px; }
.cloud-2 { top: 30%; left: 60%; width: 120px; height: 34px; opacity: .8; }
.cloud-2::before { width: 54px; height: 54px; top: -26px; left: 20px; }
.cloud-2::after  { width: 40px; height: 40px; top: -16px; left: 70px; }
.cloud-3 { top: 44%; left: 30%; width: 90px; height: 26px; opacity: .7; }
.cloud-3::before { width: 40px; height: 40px; top: -18px; left: 16px; }

/* gunung */
.layer-mount-back, .layer-mount-front, .layer-terrace, .layer-fore { top: auto; bottom: 0; height: 70vh; }
.layer-mount-back { z-index: 2; }
.layer-mount-front { z-index: 3; }
.mount-svg { position: absolute; bottom: 0; width: 100%; height: 100%; }

/* terasering sawah */
.layer-terrace { z-index: 4; height: 42vh; display: flex; flex-direction: column; justify-content: flex-end; }
.terrace {
    height: 26%;
    background: repeating-linear-gradient(90deg, #57b06a 0 22px, #4aa15d 22px 44px);
    border-top: 3px solid #3c8a4f;
    box-shadow: inset 0 6px 12px rgba(0,0,0,.06);
    transform-origin: bottom;
}
.terrace.t1 { background: repeating-linear-gradient(90deg, #6bc47f 0 26px, #5bb870 26px 52px); }
.terrace.t2 { background: repeating-linear-gradient(90deg, #57b06a 0 24px, #4aa15d 24px 48px); }
.terrace.t3 { background: repeating-linear-gradient(90deg, #46a25c 0 22px, #3d914f 22px 44px); }
.terrace.t4 { background: repeating-linear-gradient(90deg, #3a9350 0 20px, #327f45 20px 40px); }

/* padi depan */
.layer-fore { z-index: 5; height: 20vh; }
.paddy {
    position: absolute; bottom: 0; width: 100%; height: 100%;
    background:
        radial-gradient(3px 14px at 10px 100%, #2f8a45 40%, transparent 42%),
        radial-gradient(3px 18px at 26px 100%, #37a052 40%, transparent 42%),
        radial-gradient(3px 12px at 42px 100%, #2f8a45 40%, transparent 42%);
    background-size: 48px 100%;
    background-repeat: repeat-x;
    filter: drop-shadow(0 -2px 2px rgba(0,0,0,.1));
}
.hero::after { /* kabut lembut di bawah hero */
    content: ""; position: absolute; inset: auto 0 0 0; height: 24vh; z-index: 6;
    background: linear-gradient(180deg, transparent, rgba(242,251,244,.9) 80%, #f2fbf4);
    pointer-events: none;
}

/* konten hero */
.hero-content { position: relative; z-index: 10; padding: 90px 20px 0; max-width: 820px; }
.hero-badge {
    display: inline-block; background: rgba(255,255,255,.75); color: var(--green-700);
    padding: 7px 16px; border-radius: 999px; font-weight: 700; font-size: .85rem;
    box-shadow: 0 6px 18px rgba(18,61,30,.1); margin-bottom: 22px;
}
.hero-title { font-size: clamp(2.2rem, 6vw, 4rem); color: var(--green-900); }
.hero-title span { color: var(--green-600); }
.hero-sub { margin: 22px auto 32px; max-width: 620px; font-size: clamp(1rem, 2.4vw, 1.2rem); color: #2f4a38; }
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* tombol */
.btn {
    display: inline-block; padding: 14px 30px; border-radius: 999px;
    font-weight: 700; font-size: 1rem; cursor: pointer; border: 2px solid transparent;
    transition: transform .2s, box-shadow .2s, background .2s;
}
.btn-primary { background: var(--green-600); color: var(--white); box-shadow: 0 12px 28px rgba(42,157,79,.35); }
.btn-primary:hover { background: var(--green-700); transform: translateY(-2px); box-shadow: 0 16px 34px rgba(42,157,79,.45); }
.btn-ghost { background: rgba(255,255,255,.7); color: var(--green-800); border-color: var(--green-400); }
.btn-ghost:hover { background: #fff; transform: translateY(-2px); }

/* scroll hint */
.scroll-hint { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); z-index: 10;
    width: 26px; height: 44px; border: 2px solid var(--green-600); border-radius: 14px; }
.scroll-hint span { position: absolute; top: 8px; left: 50%; width: 5px; height: 8px; margin-left: -2.5px;
    background: var(--green-600); border-radius: 3px; animation: scroll 1.6s infinite; }
@keyframes scroll { 0% { opacity: 0; transform: translateY(0); } 40% { opacity: 1; } 80% { opacity: 0; transform: translateY(14px); } }

/* ===== SECTIONS ===== */
.section { padding: 100px 0; }
.section-tint { background: var(--green-50); }
.eyebrow { display: inline-block; color: var(--green-600); font-weight: 800; letter-spacing: .08em; text-transform: uppercase; font-size: .8rem; margin-bottom: 12px; }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 54px; }
.section-head h2 { font-size: clamp(1.7rem, 4vw, 2.6rem); color: var(--green-900); }
.section-head p { color: var(--muted); margin-top: 14px; font-size: 1.08rem; }

/* tentang split */
.split { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }
.split-text h2 { font-size: clamp(1.7rem, 4vw, 2.5rem); color: var(--green-900); margin-bottom: 18px; }
.split-text p { color: var(--muted); margin-bottom: 14px; }
.check-list { list-style: none; margin-top: 22px; display: grid; gap: 12px; }
.check-list li { position: relative; padding-left: 34px; font-weight: 600; color: var(--ink); }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: -1px; width: 24px; height: 24px;
    background: var(--green-100); color: var(--green-700); border-radius: 50%; display: grid; place-items: center; font-size: .8rem; }

.split-visual { display: grid; place-items: center; }
.glass-card {
    width: 100%; max-width: 360px; padding: 28px;
    background: linear-gradient(160deg, #ffffff, #eefaf1);
    border: 1px solid rgba(53,180,95,.2); border-radius: 24px; box-shadow: var(--ring);
    display: grid; grid-template-columns: 1fr 1fr; gap: 18px;
}
.mini-stat b { font-size: 1.6rem; color: var(--green-700); display: block; }
.mini-stat span { font-size: .82rem; color: var(--muted); }
.mini-bar { grid-column: 1 / -1; }
.mini-bar i { display: block; height: 10px; border-radius: 6px; background: var(--green-100); position: relative; overflow: hidden; margin-bottom: 6px; }
.mini-bar i::after { content: ""; position: absolute; inset: 0; width: var(--w); background: linear-gradient(90deg, var(--green-500), var(--green-600)); border-radius: 6px; }
.mini-bar span { font-size: .82rem; color: var(--muted); font-weight: 600; }

/* grid & cards */
.grid { display: grid; gap: 26px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card {
    background: var(--white); border: 1px solid var(--green-100); border-radius: var(--radius);
    padding: 32px 28px; box-shadow: 0 8px 22px rgba(18,61,30,.05); transition: transform .25s, box-shadow .25s, border-color .25s;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--ring); border-color: var(--green-400); }
.card-icon { font-size: 2.2rem; width: 64px; height: 64px; display: grid; place-items: center; border-radius: 16px;
    background: var(--green-50); margin-bottom: 18px; }
.card h3 { font-size: 1.2rem; color: var(--green-900); margin-bottom: 10px; }
.card p { color: var(--muted); font-size: .98rem; }

/* ===== STATISTIK BAND ===== */
.stats-band {
    position: relative; padding: 84px 0; color: var(--white); text-align: center;
    background: linear-gradient(135deg, var(--green-700), var(--green-600));
    background-attachment: fixed; /* efek parallax sederhana */
    overflow: hidden;
}
.stats-band::before { content: "🌾"; position: absolute; inset: 0; font-size: 22rem; opacity: .06; display: grid; place-items: center; }
.stat b { font-size: clamp(2rem, 5vw, 3rem); display: block; font-weight: 800; }
.stat span { opacity: .9; font-weight: 600; font-size: .95rem; }

/* ===== STEPS ===== */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; position: relative; }
.step {
    background: var(--green-50); border-radius: var(--radius); padding: 34px 28px; text-align: center;
    border: 1px solid var(--green-100); transition: transform .25s;
}
.step:hover { transform: translateY(-6px); }
.step-no { width: 56px; height: 56px; margin: 0 auto 18px; border-radius: 50%;
    background: var(--green-600); color: #fff; display: grid; place-items: center; font-size: 1.4rem; font-weight: 800;
    box-shadow: 0 10px 24px rgba(42,157,79,.4); }
.step h3 { color: var(--green-900); margin-bottom: 10px; font-size: 1.15rem; }
.step p { color: var(--muted); font-size: .96rem; }

/* ===== TESTIMONI ===== */
.quote {
    background: var(--white); border: 1px solid var(--green-100); border-radius: var(--radius);
    padding: 30px 28px; box-shadow: 0 8px 22px rgba(18,61,30,.05);
}
.quote p { font-size: 1.05rem; color: var(--ink); font-style: italic; margin-bottom: 20px; }
.quote footer { display: flex; align-items: center; gap: 12px; font-weight: 700; color: var(--green-900); font-size: .95rem; }
.quote footer span { width: 40px; height: 40px; border-radius: 50%; background: var(--green-600); color: #fff;
    display: grid; place-items: center; font-size: .85rem; }

/* ===== CTA ===== */
.cta { padding: 100px 0; background: linear-gradient(135deg, var(--green-900), var(--green-700)); color: #fff; text-align: center; }
.cta-inner { max-width: 680px; margin-inline: auto; }
.cta h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); margin-bottom: 14px; }
.cta p { opacity: .9; margin-bottom: 30px; font-size: 1.1rem; }
.cta-form { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.cta-form input {
    flex: 1 1 220px; max-width: 260px; padding: 14px 18px; border-radius: 999px; border: 0;
    font-size: 1rem; outline: 2px solid transparent; transition: outline .2s;
}
.cta-form input:focus { outline: 2px solid var(--green-400); }
.cta-note { margin-top: 16px; font-weight: 700; min-height: 1.2em; color: #d4ffdf; }

/* ===== FOOTER ===== */
.footer { background: #0f2716; color: #c8dccd; padding: 64px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 34px; }
.brand-light { color: #fff; margin-bottom: 14px; }
.footer-desc { color: #93ad99; max-width: 260px; }
.footer h4 { color: #fff; margin-bottom: 16px; font-size: 1rem; }
.footer-grid a { display: block; color: #a9c2af; margin-bottom: 10px; transition: color .2s; }
.footer-grid a:hover { color: var(--green-400); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 44px; padding-top: 22px; text-align: center; color: #7f9a86; font-size: .9rem; }

/* ===== BACK TO TOP ===== */
.to-top {
    position: fixed; bottom: 26px; right: 26px; z-index: 90;
    width: 50px; height: 50px; border-radius: 50%; border: 0; cursor: pointer;
    background: var(--green-600); color: #fff; font-size: 1.4rem; box-shadow: var(--ring);
    opacity: 0; visibility: hidden; transform: translateY(12px); transition: .3s;
}
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { background: var(--green-700); }

/* ===== REVEAL ANIMATION ===== */
.reveal { opacity: 0; transform: translateY(36px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .split { grid-template-columns: 1fr; gap: 36px; }
    .steps { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .stats-band { background-attachment: scroll; }
}
@media (max-width: 640px) {
    .nav-toggle { display: flex; }
    .nav-links {
        position: absolute; top: 100%; right: 4%; left: 4%;
        flex-direction: column; align-items: flex-start; gap: 4px;
        background: #fff; border-radius: 16px; padding: 14px; box-shadow: var(--ring);
        transform: translateY(-12px); opacity: 0; visibility: hidden; transition: .25s;
    }
    .nav-links.open { transform: none; opacity: 1; visibility: visible; }
    .nav-links a { color: var(--green-900) !important; width: 100%; padding: 8px 6px; }
    .nav-donate { width: 100%; color: var(--green-800); border-color: var(--green-400); text-align: center; }
    .nav-cta { text-align: center; }
    .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .section { padding: 70px 0; }
    .cta-form input { max-width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
    * { animation: none !important; }
    .reveal { transition: none; }
    html { scroll-behavior: auto; }
}