:root { --bg: #0b1b12; --ink: #0f172a; --muted: #4b5563; --accent: #16a34a; --accent-600: #15803d; --surface: #f8fafc; --ring: rgba(22,163,74,0.25); }

* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif; color: var(--ink); background: #ffffff; }
img { max-width: 100%; display: block; }

.container { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 20px; }

.hero { background: linear-gradient(135deg, #e9fdf0 0%, #ffffff 60%); padding: 56px 0; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 32px; align-items: center; }
.hero-content .brand-note { color: var(--muted); font-size: 14px; margin: 0 0 4px; }
.title { font-size: 40px; line-height: 1.1; margin: 0 0 12px; }
.subtitle { font-size: 18px; color: #334155; margin: 0 0 20px; max-width: 50ch; }
.cta-wrap { display: flex; gap: 12px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 12px 18px; border-radius: 10px; text-decoration: none; font-weight: 600; transition: background-color .2s ease, color .2s ease, transform .05s ease; cursor: pointer; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-600); }
.btn-ghost { background: transparent; color: var(--accent-600); border: 1.5px solid var(--accent-600); }
.btn-ghost:hover { background: rgba(21,128,61,0.08); }
.hero-visual { display: flex; justify-content: center; }
.product-image { width: 420px; max-width: 100%; height: auto; object-fit: contain; filter: drop-shadow(0 16px 30px rgba(0,0,0,0.12)); }

.features { padding: 40px 0; background: #ffffff; }
.feature-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; list-style: none; padding: 0; margin: 0; }
.feature-list li { background: var(--surface); border: 1px solid #e6e9ef; border-radius: 12px; padding: 18px; }
.feature-list h3 { margin: 0 0 8px; font-size: 18px; }
.feature-list p { margin: 0; color: #475569; font-size: 15px; }

.cta-band { background: #0c2f1d; color: #eafff1; padding: 36px 0; }
.cta-band-inner { display: grid; grid-template-columns: 1.5fr auto; align-items: center; gap: 20px; }
.cta-band h2 { margin: 0; font-size: 24px; }
.cta-band p { margin: 4px 0 0; color: #c7f5d8; }
.cta-band .btn-primary { justify-self: end; }

.signup { padding: 48px 0; background: #ffffff; }
.signup-inner { display: grid; grid-template-columns: 1fr 1.1fr; gap: 28px; align-items: start; }
.signup-copy h2 { margin: 0 0 6px; font-size: 28px; }
.signup-sub { margin: 0 0 10px; color: #334155; }
.small-note { margin: 8px 0 0; color: #64748b; font-size: 13px; }
.trust { margin-top: 12px; }

.signup-form { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; background: #f7fbf8; border: 1px solid #e3f3e8; padding: 16px; border-radius: 12px; }
.signup-form input[type="text"],
.signup-form input[type="tel"],
.signup-form input[type="email"] { width: 100%; padding: 12px 12px; border-radius: 8px; border: 1px solid #cbd5e1; font-size: 15px; outline: none; background: #fff; }
.signup-form input:focus { border-color: var(--accent-600); box-shadow: 0 0 0 4px var(--ring); }
.signup-form button { grid-column: span 2; padding: 13px 16px; border: none; border-radius: 10px; font-weight: 700; background: var(--accent); color: #fff; cursor: pointer; position: relative; }
.signup-form button:hover { background: var(--accent-600); }

/* Visual label adaptation for product form button */
#signupForm button { color: transparent; }
#signupForm button::after { content: "Get alerts"; color: #fff; position: absolute; inset: 0; display: grid; place-items: center; pointer-events: none; font-weight: 700; }

.form-status { margin-top: 1rem; padding: 0.75rem; border-radius: 6px; font-weight: 500; text-align: center; } .form-status.success { background-color: #e6ffed; color: #1e7e34; border: 1px solid #28a745; } .form-status.error { background-color: #ffe6e6; color: #a80000; border: 1px solid #dc3545; }

.mini-footer { background: #f8fafc; border-top: 1px solid #e6e9ef; padding: 18px 0; }
.mini-footer-inner { display: flex; justify-content: center; }
.foot-brand { margin: 0; color: #64748b; font-size: 13px; }

@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .cta-wrap { justify-content: center; }
  .cta-band-inner { grid-template-columns: 1fr; text-align: center; }
  .cta-band .btn-primary { justify-self: center; }
  .feature-list { grid-template-columns: 1fr 1fr; }
  .signup-inner { grid-template-columns: 1fr; }
  .signup-form { grid-template-columns: 1fr; }
  .signup-form button { grid-column: span 1; }
}

@media (max-width: 520px) {
  .title { font-size: 32px; }
  .subtitle { font-size: 16px; }
  .feature-list { grid-template-columns: 1fr; }
}