/* AppDen — ink + leaf. Distinct from RytDait teal and Studios amber. */

:root {
  --ink: #0e1412;
  --ink-soft: #1a2420;
  --leaf: #2f8f6b;
  --leaf-bright: #3cb88a;
  --mist: #e8efe9;
  --paper: #f4f7f4;
  --muted: #5c6b63;
  --line: #c5d1c8;
  --white: #ffffff;
  --font-display: "Syne", system-ui, sans-serif;
  --font-body: "Manrope", system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

/* ——— Top bar ——— */
.top {
  position: absolute;
  inset: 0 0 auto;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.35rem clamp(1.25rem, 4vw, 3rem);
  color: var(--mist);
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.04em;
}

.logo span {
  color: var(--leaf-bright);
}

.top-link {
  font-size: 0.9rem;
  font-weight: 600;
  opacity: 0.9;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, opacity 0.2s ease;
}

.top-link:hover {
  opacity: 1;
  border-bottom-color: var(--leaf-bright);
}

/* ——— Hero (one composition) ——— */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  align-items: end;
  padding: clamp(5.5rem, 12vh, 8rem) clamp(1.25rem, 4vw, 3rem) clamp(2.5rem, 6vh, 4rem);
  color: var(--mist);
  background:
    linear-gradient(165deg, rgba(14, 20, 18, 0.55) 0%, rgba(14, 20, 18, 0.82) 55%, rgba(14, 20, 18, 0.94) 100%),
    radial-gradient(ellipse 80% 60% at 70% 20%, rgba(47, 143, 107, 0.35), transparent 55%),
    linear-gradient(135deg, #1a2420 0%, #0e1412 45%, #152820 100%);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(232, 239, 233, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 239, 233, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, #000 0%, transparent 85%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  max-width: 40rem;
  animation: rise 0.9s ease-out both;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(1.25rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3rem, 9vw, 5.5rem);
  letter-spacing: -0.05em;
  line-height: 0.95;
  margin: 0 0 1.25rem;
}

.hero-brand em {
  font-style: normal;
  color: var(--leaf-bright);
}

.hero-line {
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
  font-weight: 500;
  max-width: 28rem;
  margin: 0 0 1.75rem;
  color: color-mix(in srgb, var(--mist) 88%, transparent);
}

.cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.35rem;
  background: var(--leaf);
  color: var(--white);
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: 4px;
  transition: background 0.2s ease, transform 0.2s ease;
}

.cta:hover {
  background: var(--leaf-bright);
  transform: translateY(-1px);
}

.cta:focus-visible {
  outline: 2px solid var(--leaf-bright);
  outline-offset: 3px;
}

/* ——— Sections ——— */
.section {
  padding: clamp(3.5rem, 8vh, 5.5rem) clamp(1.25rem, 4vw, 3rem);
  max-width: 72rem;
  margin: 0 auto;
}

.section h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.35rem);
  letter-spacing: -0.03em;
  margin: 0 0 0.65rem;
  line-height: 1.15;
}

.section .lead {
  margin: 0 0 2rem;
  max-width: 34rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.band {
  background: var(--mist);
  border-block: 1px solid var(--line);
}

.band .section {
  max-width: 72rem;
}

.split {
  display: grid;
  gap: 2rem;
}

@media (min-width: 800px) {
  .split {
    grid-template-columns: 1fr 1fr;
    gap: 3.5rem;
    align-items: start;
  }
}

.feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.25rem;
}

.feature-list li {
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.feature-list strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
}

.feature-list p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.panel {
  background: var(--ink);
  color: var(--mist);
  padding: clamp(1.75rem, 4vw, 2.5rem);
  border-radius: 6px;
  animation: rise 1s 0.15s ease-out both;
}

.panel h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
}

.panel ul {
  margin: 0;
  padding: 0 0 0 1.1rem;
  color: color-mix(in srgb, var(--mist) 85%, transparent);
}

.panel li + li {
  margin-top: 0.45rem;
}

.note {
  font-size: 0.88rem;
  color: var(--muted);
  margin: 1.5rem 0 0;
}

/* ——— Footer ——— */
.foot {
  padding: 2rem clamp(1.25rem, 4vw, 3rem) 2.5rem;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  justify-content: space-between;
  align-items: center;
  font-size: 0.88rem;
  color: var(--muted);
}

.foot nav {
  display: flex;
  gap: 1.25rem;
}

.foot a:hover {
  color: var(--ink);
}

@media (prefers-reduced-motion: reduce) {
  .hero-inner,
  .panel,
  .cta {
    animation: none;
    transition: none;
  }
}