*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #E7EDE2;
  --dark: #1F3322;
  --white: #ffffff;
  --muted: #5a7060;
  --border: rgba(31,51,34,0.12);
}

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--dark);
}

/* ─── NAV ─── */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 6vw;
  border-bottom: 1px solid var(--border);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo img {
  height: 40px;
  width: 40px;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.logo-text {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--dark);
  letter-spacing: -0.01em;
}

.logo-text span {
  font-weight: 400;
  opacity: 0.6;
}

.lang-switch {
  display: flex;
  gap: 8px;
}

.lang-btn {
  padding: 6px 16px;
  border-radius: 6px;
  font-size: 0.85rem;
  cursor: pointer;
  font-family: 'DM Sans', sans-serif;
  font-weight: 500;
  border: 1px solid var(--dark);
  background: transparent;
  color: var(--dark);
  transition: background 0.2s, color 0.2s;
}

.lang-btn.active {
  background: var(--dark);
  color: var(--bg);
}

/* ─── HERO ─── */
#hero {
  text-align: center;
  padding: 7rem 6vw 6rem;
  max-width: 960px;
  margin: 0 auto;
}

h1 {
  font-family: 'DM Sans', sans-serif;
  font-size: clamp(2.8rem, 5.5vw, 4.4rem);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: 0;
  margin-bottom: 1.2rem;
}

.hero-tagline {
  font-size: 1.1rem;
  color: var(--muted);
  font-weight: 300;
  line-height: 1.7;
  margin-bottom: 2.5rem;
}

.btn-main {
  display: inline-block;
  background: var(--dark);
  color: var(--bg);
  padding: 0.85rem 2.2rem;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 500;
  font-family: 'DM Sans', sans-serif;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s;
}

.btn-main:hover {
  opacity: 0.85;
}

/* ─── ABOUT ─── */
.card-section {
  max-width: 1060px;
  margin: 0 auto;
  padding: 0 6vw 5rem;
}

.card {
  background: var(--white);
  border-radius: 16px;
  padding: 2.5rem;
  border: 1px solid var(--border);
}

h2 {
  font-family: 'Syne', sans-serif;
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.about-text {
  font-size: 1rem;
  color: var(--muted);
  font-weight: 300;
  line-height: 1.8;
}

/* ─── FOOTER ─── */
footer {
  text-align: center;
  padding: 2rem 6vw;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 300;
}

footer a {
  color: var(--dark);
}