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

/* ── CSS VARIABLES ── */
:root {
  --bg: #FAF7F2;
  --fg: #1A1A1A;
  --accent: #10B981;
  --accent-light: #D1FAE5;
  --accent-hover: #059669;
  --muted: #8A8478;
  --card: #FFFFFF;
  --chat-green: #DCF8C6;
  --chat-white: #FFFFFF;
  --radius: 16px;
  --font-display: 'DM Serif Display', serif;
  --font-body: 'General Sans', -apple-system, sans-serif;
}

/* ── BASE ── */
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── NAV ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.25rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(250, 247, 242, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0,0,0,0.04);
}

.logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.logo span { color: var(--accent); }
.logo-icon { width: 28px; height: 28px; vertical-align: middle; margin-right: 0.5rem; border-radius: 6px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}
.nav-link:hover { color: var(--fg); }

.nav-cta {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.875rem;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 0.6rem 1.4rem;
  border-radius: 100px;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s;
}

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

/* ── FOOTER ── */
footer {
  text-align: center;
  padding: 2rem;
  font-size: 0.8rem;
  color: var(--muted);
  border-top: 1px solid rgba(0,0,0,0.05);
}

/* ── HAMBURGER ── */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
  z-index: 101;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--fg);
  margin: 5px 0;
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── H2 BASE ── */
h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.02em;
  margin-bottom: 3rem;
  line-height: 1.15;
}

/* ── FORM NOTE ── */
.form-note {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 1rem;
  animation: fadeUp 0.6s 0.4s ease both;
}

/* ── WHATSAPP CTA ── */
.wa-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1.1rem;
  padding: 1rem 2.2rem;
  background: #25D366;
  color: #fff;
  border: none;
  border-radius: 100px;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  animation: fadeUp 0.6s 0.3s ease both;
  position: relative;
  z-index: 2;
}

.wa-cta:hover {
  background: #1ebe5d;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.3);
}

.wa-cta svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

/* ── LANGUAGE PICKER ── */
.lang-picker {
  position: relative;
}

.lang-current {
  background: none;
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: 6px;
  padding: 0.3rem 0.6rem;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  transition: color 0.2s, border-color 0.2s;
}

.lang-current:hover {
  color: var(--fg);
  border-color: rgba(0,0,0,0.2);
}

.lang-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 0.25rem;
  background: var(--card);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  overflow: hidden;
  z-index: 200;
  min-width: 120px;
}

.lang-dropdown.open {
  display: block;
}

.lang-option {
  display: block;
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  color: var(--fg);
  text-decoration: none;
  white-space: nowrap;
  font-family: var(--font-body);
}

.lang-option:hover {
  background: var(--accent-light);
}

/* ── RESPONSIVE NAV/HAMBURGER ── */
@media (max-width: 600px) {
  nav { padding: 1rem 1.25rem; }

  .nav-toggle { display: block; }

  .nav-links {
    position: fixed;
    top: 0; right: 0;
    width: 240px;
    height: 100vh;
    background: var(--bg);
    flex-direction: column;
    align-items: flex-start;
    padding: 5rem 2rem 2rem;
    gap: 1.25rem;
    z-index: 101;
    box-shadow: -4px 0 24px rgba(0,0,0,0.08);
    transform: translateX(100%);
    transition: transform 0.3s ease;
  }

  .nav-links.open {
    transform: translateX(0);
  }

  .nav-link { font-size: 1rem; }

  .nav-cta {
    margin-top: 0.5rem;
    width: 100%;
    text-align: center;
  }

  .lang-picker {
    width: 100%;
  }

  .lang-current {
    width: 100%;
    justify-content: center;
    padding: 0.5rem;
    font-size: 0.9rem;
  }

  .lang-dropdown {
    position: static;
    margin-top: 0.5rem;
    box-shadow: none;
    border: 1px solid rgba(0,0,0,0.08);
    width: 100%;
  }

  .nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.3);
    z-index: 99;
  }
  .nav-overlay.open { display: block; }
}