@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@400;600;700;800;900&display=swap');

/* ===================== DESIGN TOKENS ===================== */
:root {
  /* Colores principales */
  --green-primary:   #2E7D56;
  --green-light:     #4CAF7D;
  --green-soft:      #E8F5EE;
  --green-dark:      #1A4D35;
  --green-grad:      linear-gradient(135deg, #2E7D56 0%, #4CAF7D 100%);
  --green-grad-soft: linear-gradient(135deg, #E8F5EE 0%, #D0EDD9 100%);

  /* Neutros */
  --white:           #FFFFFF;
  --gray-soft:       #F5F8F6;
  --gray-100:        #EEF2EF;
  --gray-200:        #D5DDD8;
  --gray-300:        #B0BCB6;
  --gray-400:        #8A9E94;
  --text-main:       #142318;
  --text-mid:        #2F4A3A;
  --text-muted:      #5E7A6A;
  --text-light:      #8FAE9E;

  /* Accents */
  --accent-gold:     #F4C430;
  --accent-blue:     #3A7BD5;
  --accent-red:      #E05252;
  --accent-orange:   #F07D3A;

  /* Sombras */
  --shadow-xs:   0 1px 3px rgba(30,70,50,0.08);
  --shadow-sm:   0 2px 8px rgba(30,70,50,0.10);
  --shadow-md:   0 4px 20px rgba(30,70,50,0.12);
  --shadow-lg:   0 8px 40px rgba(30,70,50,0.16);
  --shadow-xl:   0 16px 64px rgba(30,70,50,0.20);

  /* Bordes */
  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   20px;
  --radius-xl:   32px;
  --radius-full: 999px;

  /* Transiciones */
  --ease-fast:   0.15s ease;
  --ease-mid:    0.25s ease;
  --ease-slow:   0.4s ease;

  /* Tipografía */
  --font-body:   'Inter', sans-serif;
  --font-head:   'Outfit', sans-serif;

  /* Espaciado */
  --section-pad: 96px 24px;
  --nav-h:       72px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  color: var(--text-main);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul, ol { list-style: none; }
input, select, textarea { font-family: inherit; }

/* ===================== TIPOGRAFÍA ===================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-head);
  line-height: 1.2;
  font-weight: 700;
  color: var(--text-main);
}

.display-1 { font-size: clamp(2.4rem, 5vw, 4rem); font-weight: 800; }
.display-2 { font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 800; }
.h1 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
.h2 { font-size: clamp(1.3rem, 2.5vw, 2rem); }
.h3 { font-size: clamp(1.1rem, 2vw, 1.5rem); }

.text-green  { color: var(--green-primary); }
.text-muted  { color: var(--text-muted); }
.text-center { text-align: center; }

/* ===================== UTILIDADES ===================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-sm {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: var(--section-pad);
}

.section-alt {
  background: var(--gray-soft);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.badge-green {
  background: var(--green-soft);
  color: var(--green-dark);
}

.badge-gold {
  background: #FEF8E1;
  color: #8C6A00;
}

/* ===================== BOTONES ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--ease-mid);
  white-space: nowrap;
}

.btn-primary {
  background: var(--green-grad);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(46,125,86,0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(46,125,86,0.45);
}

.btn-secondary {
  background: var(--white);
  color: var(--green-primary);
  border: 2px solid var(--green-primary);
}

.btn-secondary:hover {
  background: var(--green-soft);
  transform: translateY(-2px);
}

.btn-ghost {
  color: var(--text-muted);
}
.btn-ghost:hover {
  color: var(--green-primary);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.05rem;
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.85rem;
}

/* ===================== CARDS ===================== */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-100);
  transition: all var(--ease-mid);
  overflow: hidden;
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

/* ===================== FORMULARIOS ===================== */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-mid);
}

.form-input,
.form-select,
.form-textarea {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 2px solid var(--gray-200);
  font-size: 0.95rem;
  color: var(--text-main);
  background: var(--white);
  transition: border-color var(--ease-fast), box-shadow var(--ease-fast);
  outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--green-light);
  box-shadow: 0 0 0 4px rgba(76,175,125,0.15);
}

/* ===================== NAVBAR COMPARTIDA ===================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-h);
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: all var(--ease-mid);
}

.navbar.scrolled,
.navbar.solid {
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-sm);
}

.nav-inner {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--green-primary);
}

.nav-logo .logo-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green-light);
  margin-bottom: 4px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-mid);
  transition: color var(--ease-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--green-primary);
  transition: width var(--ease-mid);
  border-radius: 2px;
}

.nav-links a:hover { color: var(--green-primary); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  border-radius: 8px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--text-main);
  border-radius: 2px;
  transition: all var(--ease-mid);
}

/* ===================== FOOTER COMPARTIDO ===================== */
.footer {
  background: var(--green-dark);
  color: rgba(255,255,255,0.7);
  padding: 64px 24px 32px;
}

.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .nav-logo {
  color: var(--white);
  margin-bottom: 16px;
}

.footer-tagline {
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.6);
  max-width: 280px;
}

.footer-col h4 {
  color: var(--white);
  font-family: var(--font-head);
  font-weight: 600;
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.footer-col a {
  display: block;
  color: rgba(255,255,255,0.6);
  font-size: 0.875rem;
  padding: 4px 0;
  transition: color var(--ease-fast);
}

.footer-col a:hover { color: var(--green-light); }

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
}

/* ===================== ANIMACIONES ===================== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-24px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%       { transform: scale(1.5); opacity: 0.7; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-10px); }
}

.anim-fadeup  { animation: fadeInUp 0.6s ease both; }
.anim-fadein  { animation: fadeIn 0.5s ease both; }
.anim-delay1  { animation-delay: 0.1s; }
.anim-delay2  { animation-delay: 0.2s; }
.anim-delay3  { animation-delay: 0.3s; }
.anim-delay4  { animation-delay: 0.4s; }

/* ===================== RESPONSIVE ===================== */
@media (max-width: 768px) {
  :root { --section-pad: 64px 20px; }

  .nav-links,
  .nav-cta .btn-secondary { display: none; }

  .hamburger { display: flex; }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ===================== SCROLLBAR ===================== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--gray-100); }
::-webkit-scrollbar-thumb {
  background: var(--green-light);
  border-radius: 3px;
}

/* ===================== SELECTION ===================== */
::selection {
  background: rgba(76,175,125,0.25);
  color: var(--green-dark);
}