:root {
  --bg-main: #f3f6ed;
  --bg-card: rgba(255, 255, 255, 0.86);
  --ink-1: #132029;
  --ink-2: #38515f;
  --brand: #126e5f;
  --brand-2: #d06f1a;
  --ok: #1c7c3a;
  --warn: #bb6b00;
  --err: #a72d2d;
  --line: rgba(19, 32, 41, 0.14);
  --shadow: 0 20px 45px rgba(18, 49, 60, 0.13);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  font-family: "Manrope", sans-serif;
  color: var(--ink-1);
  background:
    radial-gradient(circle at 85% 15%, rgba(208, 111, 26, 0.16), transparent 40%),
    radial-gradient(circle at 12% 10%, rgba(18, 110, 95, 0.2), transparent 48%),
    linear-gradient(145deg, #edf2e5 0%, #f7fbf4 45%, #eef4ea 100%);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.4rem;
  background: rgba(243, 246, 237, 0.86);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.logo-wrap {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-family: "Space Grotesk", sans-serif;
}

.logo-dot {
  width: 12px;
  height: 12px;
  border-radius: 99px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  box-shadow: 0 0 0 6px rgba(18, 110, 95, 0.14);
}

.top-nav {
  display: flex;
  gap: 1rem;
}

.top-nav a {
  text-decoration: none;
  color: var(--ink-2);
  font-weight: 700;
  font-size: 0.94rem;
}

main {
  padding: 1.2rem 1.1rem 2.5rem;
  max-width: 1150px;
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.2rem;
  align-items: stretch;
  margin-top: 0.7rem;
}

.hero-content,
.hero-card,
.benefits article,
.security,
.ad-card,
.auth-panel,
.card-panel {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.hero-content {
  padding: 1.5rem;
}

.eyebrow {
  color: var(--brand);
  margin: 0;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.8rem;
}

.hero h1 {
  margin: 0.5rem 0;
  line-height: 1.1;
  font-size: clamp(1.7rem, 2.5vw, 2.6rem);
  font-family: "Space Grotesk", sans-serif;
}

.hero p {
  color: var(--ink-2);
  margin-bottom: 1.1rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.hero-card {
  padding: 1.3rem;
  background:
    radial-gradient(circle at top right, rgba(208, 111, 26, 0.2), transparent 35%),
    var(--bg-card);
}

.hero-card ul {
  padding-left: 1.1rem;
  color: var(--ink-2);
}

.hero-card-total {
  font-weight: 800;
  color: var(--brand);
}

.benefits {
  margin-top: 1.2rem;
  display: grid;
  gap: 0.9rem;
  grid-template-columns: repeat(3, 1fr);
}

.benefits article,
.security,
.ad-card {
  padding: 1rem;
}

.ads,
.security,
.auth-panel {
  margin-top: 1.2rem;
}

.section-subtitle {
  margin-top: 0;
  color: var(--ink-2);
}

.ads-grid {
  display: grid;
  gap: 0.8rem;
  grid-template-columns: repeat(3, 1fr);
}

.ad-card a {
  color: var(--brand);
  font-weight: 700;
}

.auth-panel {
  padding: 1.1rem;
}

.auth-layout {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.9rem;
}

.card-form {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.95rem;
  display: grid;
  gap: 0.6rem;
  background: rgba(255, 255, 255, 0.93);
}

label {
  display: grid;
  gap: 0.3rem;
  color: var(--ink-2);
  font-size: 0.93rem;
}

input,
select,
button {
  font: inherit;
}

input,
select {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 10px;
  padding: 0.58rem 0.68rem;
  color: var(--ink-1);
}

.btn {
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 0.58rem 0.95rem;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
  font-weight: 700;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--brand), #1a9b84);
  color: #fff;
  box-shadow: 0 8px 15px rgba(18, 110, 95, 0.2);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.66);
  border-color: var(--line);
  color: var(--ink-1);
}

.auth-message {
  margin-top: 0.7rem;
  font-weight: 700;
  min-height: 1.4rem;
}

.auth-message.error {
  color: var(--err);
}

.auth-message.success {
  color: var(--ok);
}

.auth-message.warning {
  color: var(--warn);
}

.hidden {
  display: none;
}

.footer {
  text-align: center;
  color: var(--ink-2);
  padding: 0.85rem;
}

.reveal {
  animation: rise 520ms ease both;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* APP */
.app-body main {
  max-width: 1200px;
}

.app-topbar {
  position: static;
}

.topbar-actions {
  display: flex;
  gap: 0.7rem;
}

.app-grid {
  display: grid;
  gap: 0.9rem;
  grid-template-columns: repeat(2, 1fr);
}

.card-panel {
  padding: 1rem;
}

.stack-form {
  display: grid;
  gap: 0.55rem;
}

.split-2,
.split-3 {
  display: grid;
  gap: 0.6rem;
}

.split-2 {
  grid-template-columns: repeat(2, 1fr);
}

.split-3 {
  grid-template-columns: repeat(3, 1fr);
}

.simple-list {
  list-style: none;
  margin: 0.7rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.simple-list li {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.5rem 0.65rem;
  display: flex;
  justify-content: space-between;
  gap: 0.6rem;
  background: rgba(255, 255, 255, 0.93);
}

.simple-list button {
  border: 0;
  background: transparent;
  color: var(--err);
  font-weight: 700;
  cursor: pointer;
}

.calc-panel {
  grid-column: 1 / -1;
}

.totals-box {
  border: 1px dashed var(--line);
  border-radius: 12px;
  padding: 0.85rem;
  margin-bottom: 0.7rem;
  background: rgba(255, 255, 255, 0.9);
}

.month-status {
  margin-top: 0.6rem;
  color: var(--ink-2);
}

@media (max-width: 960px) {
  .top-nav {
    display: none;
  }

  .hero,
  .auth-layout,
  .benefits,
  .ads-grid,
  .app-grid {
    grid-template-columns: 1fr;
  }

  .split-3 {
    grid-template-columns: 1fr;
  }
}