:root {
  --brand: hsl(141, 100%, 26%);
  --brand-dark: hsl(141, 50%, 18%);
  --ink: #0e1116;
  --muted: #5b6876;
  --bg: #0a0f14;
  --surface: #0e141b;
  --card: #101822;
  --card-2: #0f1720;
  --border: rgba(255, 255, 255, 0.08);
  --radius: 4px;
}

/* Font: Titillium Web Regular from local assets */
@font-face {
  font-family: "Titillium Web";
  src: url("assets/fonts/titillium_web/TitilliumWeb-Regular.ttf")
    format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

* {
  box-sizing: border-box;
}
html,
body {
  padding: 0;
  margin: 0;
  color: #e6eef7;
  background: linear-gradient(180deg, var(--bg), #0c1219 40%, #0b1118);
  font: 16px/1.55 "Titillium Web", system-ui, -apple-system, Segoe UI, Roboto,
    Inter, Arial, sans-serif;
}

body {
  max-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr;
}

h2 {
  color: var(--brand);
}

button {
  cursor: pointer;
}

#content {
  min-height: 0;
  max-height: 100%;
  overflow: auto;
}

.container {
  width: min(1300px, 100%);
  margin: 0 auto;
  padding: 0 20px;
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  max-width: 100%;
  display: block;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 15, 20, 0.75);
  backdrop-filter: saturate(140%) blur(6px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
}
.brand img {
  height: 34px;
}
.nav {
  display: flex;
  gap: 12px;
  align-items: center;
}
.nav a {
  opacity: 0.9;
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius);
  transition: background 0.2s ease, opacity 0.2s ease;
}
.nav a:hover {
  opacity: 1;
  background: rgba(255, 255, 255, 0.04);
}
.nav .btn.small {
  padding: 0.45rem 0.7rem;
}

/* Hero */
.hero {
  padding: 20px 0 24px;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  overflow: clip;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.35);
}
.hero-card {
  padding: 38px 26px;
  text-align: center;
  background: radial-gradient(
      1200px 600px at 50% -20%,
      rgba(15, 163, 74, 0.18),
      transparent 60%
    ),
    var(--card);

  /* background-image: url('assets/plan.png');
    background-size: 100%; */
}

/* Typography */
h1 {
  font-size: clamp(32px, 4vw, 44px);
  margin: 0 0 8px;
}
h2 {
  font-size: clamp(22px, 3vw, 28px);
  margin: 0 0 14px;
}
h3 {
  font-size: 18px;
  margin: 0 0 6px;
}
.subtitle {
  margin: 0 auto 18px;
  max-width: 760px;
  color: #c9d6e2;
}

i{
  margin-right: 8px;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.8rem 1rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  /* background: linear-gradient(180deg, var(--brand), var(--brand-dark)); */
  color: #fff;
  font-weight: 600;
  transition: background-color 0.5s ease, border-color 0.5s ease;
  background: transparent;
  border-color: var(--border);
  box-shadow: none;
}
.btn:hover {
  background-color: rgba(255, 255, 255, 0.04);
  border-color: var(--brand);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.35);
}

.btn.primary {
  background-color: var(--brand);
}

.btn.primary:hover {
  background-color: var(--brand-dark);
}

/* Hoverable cards */
.hoverable {
  transition: box-shadow 0.2s ease, border-color 0.2s;
}
.hoverable:hover {
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.35);
  border-color: rgba(255, 255, 255, 0.12);
}

.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}
.trust {
  margin-top: 10px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  color: #b7c5d4;
}

/* Sections */
.section {
  padding: 20px 0;
}
.section.alt {
  background: linear-gradient(
    180deg,
    transparent,
    rgba(255, 255, 255, 0.02) 30%,
    transparent
  );
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.install-grid .card p {
  margin: 0 0 0.5rem;
}
.mark {
  background: rgba(15, 163, 74, 0.12);
  border: 1px solid rgba(15, 163, 74, 0.25);
  padding: 0.05rem 0.35rem;
  border-radius: var(--radius);
}

.list {
  /* margin: 0.5rem 0 1.1rem; */
  padding-left: 1rem;
}

.list li {
  margin: 0.25rem 0;
}

.check {
  margin: 0.5rem 0 1.1rem;
  padding-left: 1rem;
}
.check li {
  margin: 0.25rem 0;
  list-style: "✓  " outside;
  color: #cfe7d8;
}

.quote p {
  font-size: 1.05rem;
}
.quotee {
  display: block;
  margin-top: 0.5rem;
  color: #9fb1c3;
}

.price .price-tag {
  font-size: 1.6rem;
  font-weight: 700;
  margin: 0.25rem 0 1rem;
  color: #eaf6ef;
}
.price.featured {
  outline: 2px solid var(--brand);
}

/* Info box */
.info {
  background: linear-gradient(180deg, #0f1923, #0c141d);
  border: 1px solid rgba(15, 163, 74, 0.25);
}
.info p {
  margin: 0;
}

/* Form with floating labels */
.contact-card form .row {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, 1fr);
  margin-bottom: 12px;
}
input,
textarea,
button {
  font: inherit;
}
.field {
  position: relative;
}
.field input,
.field textarea {
  width: 100%;
  padding: 1.05rem 0.9rem 0.85rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  color: #e6eef7;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.field textarea {
  resize: vertical;
}
.field label {
  position: absolute;
  left: 0.68rem;
  top: 0.9rem;
  padding: 0 0.25rem;
  background: transparent;
  color: #9fb1c3;
  pointer-events: none;
  transition: transform 0.16s ease, color 0.16s ease, top 0.16s ease,
    background 0.16s ease;
}
/* Floating state */
.field input:focus,
.field textarea:focus {
  border-color: rgba(15, 163, 74, 0.55);
  /* box-shadow: 0 0 0 3px rgba(15, 163, 74, 0.18); */
}
.field input:not(:placeholder-shown) + label,
.field textarea:not(:placeholder-shown) + label,
.field input:focus + label,
.field textarea:focus + label {
  top: -0.6rem;
  transform: scale(0.92);
  color: #cfe7d8;
  background: var(--surface);
}

/* Native inputs (outside .field), if any */
input,
textarea {
  border-radius: var(--radius);
}

.small {
  font-size: 0.85rem;
  color: #9fb1c3;
  margin-top: 0.5rem;
}

/* Details */
details.card {
  padding: 0;
}
details > summary {
  cursor: pointer;
  list-style: none;
  padding: 14px 18px;
  border-radius: var(--radius);
}
details > summary::-webkit-details-marker {
  display: none;
}
details[open] > summary {
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border);
}
details > p {
  padding: 14px 18px;
  margin: 0;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 26px 0;
  margin-top: 32px;
  background: rgba(10, 15, 20, 0.6);
}
.footer-inner {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  color: #9fb1c3;
}
.footer-nav a {
  margin-left: 12px;
}

/* Responsive */
@media (max-width: 900px) {
  .grid-3 {
    grid-template-columns: 1fr;
  }
  .grid-2 {
    grid-template-columns: 1fr;
  }
}