@import url('https://fonts.googleapis.com/css2?family=Lexend+Deca:wght@300;400;500;600;700;800&display=swap');

:root {
    --primary: #28732C;
    --primary-bright: #33943a;
    --primary-dark: #1b4d1d;
    --primary-glow: rgba(40, 115, 44, 0.28);
    --text: #14241a;
    --muted: #64786a;
    --border: #e1ece2;
    --surface: #ffffff;
    --bg: #f4f8f4;
}

* { box-sizing: border-box; }
html, body { min-height: 100%; margin: 0; }
body {
    font-family: 'Lexend Deca', system-ui, sans-serif;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}
[hidden] { display: none !important; }

/* ─── Shell ─── */
.install-shell {
    min-height: 100vh;
    min-height: 100dvh;
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
}

/* ─── Hero panel ─── */
.install-hero {
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 2rem;
    padding: clamp(2rem, 5vw, 4rem);
    color: #fff;
    background:
        radial-gradient(circle at 15% 10%, rgba(255,255,255,0.14), transparent 45%),
        linear-gradient(145deg, #1b4d1d 0%, #28732C 55%, #3a9a40 100%);
}
.hero-orb { position: absolute; border-radius: 50%; pointer-events: none; }
.orb-1 { width: 380px; height: 380px; right: -140px; top: -120px; background: rgba(255,255,255,0.08); }
.orb-2 { width: 260px; height: 260px; left: -90px; bottom: -90px; background: rgba(0,0,0,0.12); }

.hero-brand { position: relative; display: flex; align-items: center; gap: 0.7rem; font-weight: 800; font-size: 1.35rem; letter-spacing: -0.4px; }
.hero-brand img { width: 42px; height: 42px; border-radius: 12px; background: #fff; padding: 4px; object-fit: contain; box-shadow: 0 6px 18px rgba(0,0,0,0.2); }

.hero-body { position: relative; max-width: 520px; }
.hero-pill {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.4rem 0.85rem;
    font-size: 0.75rem; font-weight: 600; letter-spacing: 0.4px;
    background: rgba(255,255,255,0.14);
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: 999px;
    backdrop-filter: blur(6px);
}
.hero-title { margin: 1.25rem 0 1rem; font-size: clamp(1.9rem, 3.6vw, 3rem); line-height: 1.12; font-weight: 800; letter-spacing: -1px; }
.hero-copy { margin: 0 0 2rem; font-size: 1.02rem; line-height: 1.7; color: rgba(255,255,255,0.82); font-weight: 300; }

.feature-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.9rem; }
.feature-list li {
    display: flex; align-items: center; gap: 1rem;
    padding: 0.85rem 1rem;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.16);
    border-radius: 16px;
    backdrop-filter: blur(8px);
    transition: transform 0.25s, background 0.25s;
}
.feature-list li:hover { transform: translateX(4px); background: rgba(255,255,255,0.16); }
.feature-icon {
    width: 42px; height: 42px; flex-shrink: 0;
    display: grid; place-items: center;
    border-radius: 12px;
    background: #fff; color: var(--primary);
    font-size: 1rem;
}
.feature-list strong { display: block; font-size: 0.95rem; font-weight: 600; }
.feature-list small { display: block; margin-top: 2px; font-size: 0.8rem; color: rgba(255,255,255,0.72); }

.hero-foot { position: relative; margin: 0; font-size: 0.8rem; color: rgba(255,255,255,0.7); display: flex; align-items: center; gap: 0.5rem; }

/* ─── Install panel ─── */
.install-panel {
    display: grid; place-items: center;
    padding: clamp(1.25rem, 4vw, 3rem);
    background:
        radial-gradient(ellipse 60% 50% at 100% 0%, rgba(40,115,44,0.09), transparent 60%),
        radial-gradient(ellipse 60% 50% at 0% 100%, rgba(40,115,44,0.07), transparent 60%),
        var(--bg);
}
.install-card {
    width: min(100%, 440px);
    padding: 2.5rem 2.25rem;
    text-align: center;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 28px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.04), 0 28px 70px rgba(30,75,32,0.14);
    animation: rise 0.6s cubic-bezier(0.16, 1, 0.3, 1) both;
}
@keyframes rise { from { opacity: 0; transform: translateY(22px); } to { opacity: 1; transform: none; } }

.install-logo {
    width: 88px; height: 88px; object-fit: contain; display: block; margin: 0 auto 1.1rem;
    padding: 10px;
    border-radius: 24px;
    background: linear-gradient(145deg, #f2faf2, #e3f2e4);
    border: 1px solid var(--border);
    box-shadow: 0 10px 28px var(--primary-glow);
}
.install-eyebrow { margin: 0 0 0.35rem; color: var(--primary); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; }
.install-card h2 { margin: 0; font-size: 1.85rem; font-weight: 800; letter-spacing: -0.8px; }
.install-copy { margin: 0.6rem auto 1.75rem; color: var(--muted); line-height: 1.6; font-size: 0.95rem; }

.install-button {
    width: 100%; min-height: 56px;
    display: inline-flex; align-items: center; justify-content: center; gap: 0.7rem;
    border: 0; border-radius: 16px;
    background: linear-gradient(135deg, var(--primary-bright), var(--primary) 60%, var(--primary-dark));
    color: #fff;
    font-family: inherit; font-size: 1.02rem; font-weight: 700;
    cursor: pointer;
    box-shadow: 0 12px 28px var(--primary-glow);
    transition: transform 0.2s, box-shadow 0.2s, opacity 0.2s;
}
.install-button i { font-size: 1.15rem; }
.install-button:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 16px 34px var(--primary-glow); }
.install-button:active:not(:disabled) { transform: translateY(0); }
.install-button:disabled { cursor: not-allowed; opacity: 0.5; box-shadow: none; }
.install-button:focus-visible, .steps-tab:focus-visible, .continue-link:focus-visible { outline: 3px solid rgba(40,115,44,0.35); outline-offset: 2px; }

.install-help {
    display: flex; align-items: center; justify-content: center; gap: 0.6rem;
    margin: 1rem 0 0; padding: 0.75rem 0.9rem;
    border-radius: 12px;
    background: #f1f7f1; border: 1px solid var(--border);
    color: var(--muted); font-size: 0.82rem; line-height: 1.45; text-align: left;
}
.install-help i { color: var(--primary); flex-shrink: 0; }
.install-help.is-ready { background: #e8f6e9; color: #1d5a21; }
.install-help.is-done { background: #e8f6e9; color: #1d5a21; font-weight: 600; }

/* ─── Manual steps ─── */
.steps { margin-top: 1.25rem; text-align: left; }
.steps-tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.35rem; padding: 0.3rem; background: #eef4ee; border-radius: 14px; }
.steps-tab {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
    padding: 0.55rem 0.3rem; border: 0; border-radius: 10px;
    background: transparent; color: var(--muted);
    font-family: inherit; font-size: 0.78rem; font-weight: 600; cursor: pointer;
    transition: all 0.2s;
}
.steps-tab.active { background: #fff; color: var(--primary); box-shadow: 0 2px 8px rgba(0,0,0,0.08); }
.steps-list { list-style: none; margin: 1rem 0 0; padding: 0; display: grid; gap: 0.75rem; }
.steps-list li { display: flex; align-items: flex-start; gap: 0.8rem; }
.steps-list p { margin: 0; font-size: 0.86rem; line-height: 1.5; color: #35493b; padding-top: 3px; }
.steps-list i { color: var(--primary); margin: 0 2px; }
.step-num {
    width: 26px; height: 26px; flex-shrink: 0;
    display: grid; place-items: center;
    border-radius: 50%;
    background: var(--primary); color: #fff;
    font-size: 0.75rem; font-weight: 700;
}

/* ─── Footer links ─── */
.divider { display: flex; align-items: center; gap: 0.9rem; margin: 1.5rem 0 1rem; color: #9ab09d; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.12em; }
.divider::before, .divider::after { content: ''; flex: 1; height: 1px; background: var(--border); }
.continue-link {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
    width: 100%; padding: 0.85rem; border-radius: 14px;
    border: 1.5px solid var(--border);
    color: var(--primary); font-weight: 600; font-size: 0.92rem; text-decoration: none;
    transition: all 0.2s;
}
.continue-link:hover { border-color: var(--primary); background: rgba(40,115,44,0.06); }
.continue-link i { transition: transform 0.2s; }
.continue-link:hover i { transform: translateX(4px); }
.privacy-note { margin: 1rem 0 0; font-size: 0.76rem; color: #8aa08d; line-height: 1.5; }
.privacy-note i { margin-right: 0.3rem; color: var(--primary); }

/* ─── Responsive ─── */
@media (max-width: 900px) {
    .install-shell { grid-template-columns: 1fr; }
    .install-hero { padding: 1.5rem 1.25rem 1.75rem; gap: 1.25rem; }
    .hero-title { font-size: 1.65rem; margin: 1rem 0 0.7rem; }
    .hero-copy { font-size: 0.92rem; margin-bottom: 0; }
    .feature-list, .hero-foot { display: none; }
    .install-panel { padding: 1.25rem 1rem calc(1.5rem + env(safe-area-inset-bottom)); margin-top: -1.5rem; position: relative; }
    .install-card { padding: 2rem 1.4rem; border-radius: 24px; }
    .install-logo { width: 72px; height: 72px; border-radius: 20px; }
    .install-card h2 { font-size: 1.6rem; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}