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

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-family-sans); color: var(--color-gray-900); background-color: var(--color-white); line-height: 1.6; font-size: 1rem; }

h1 { font-size: 3.5rem; font-weight: 800; line-height: 1.2; letter-spacing: -0.02em; }
h2 { font-size: 2.5rem; font-weight: 700; line-height: 1.3; letter-spacing: -0.01em; margin-bottom: var(--spacing-2xl); }
h3 { font-size: 1.5rem; font-weight: 600; line-height: 1.4; margin-bottom: var(--spacing-md); }
p { font-size: 1rem; line-height: 1.8; color: var(--color-gray-600); margin-bottom: var(--spacing-md); }
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--color-primary-dark); }

.container { max-width: 1200px; margin: 0 auto; padding: 0 var(--spacing-lg); }
.container-sm { max-width: 640px; margin: 0 auto; padding: 0 var(--spacing-lg); }
.container-lg { max-width: 1400px; margin: 0 auto; padding: 0 var(--spacing-lg); }

/* Navbar */
.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; backdrop-filter: blur(10px); background: rgba(13, 17, 23, 0.95); border-bottom: 1px solid rgba(255,255,255,0.08); padding: var(--spacing-md) 0; transition: background-color 0.5s ease, box-shadow 0.5s ease; }
.navbar.scrolled { background: rgba(13, 17, 23, 0.98); backdrop-filter: blur(10px); box-shadow: 0 1px 0 rgba(255,255,255,0.08); }
.navbar-content { display: flex; justify-content: space-between; align-items: center; }
.navbar-logo { font-size: 1.5rem; font-weight: 800; color: #ffffff; transition: transform var(--transition-fast); }
.navbar-logo:hover { transform: scale(1.05); }
.navbar-links { display: flex; gap: var(--spacing-2xl); list-style: none; }
.navbar-links a { font-weight: 500; color: rgba(255,255,255,0.75) !important; transition: color var(--transition-fast); position: relative; }
.navbar-links a:hover { color: #1D9E75 !important; }
.navbar-links a::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px; background-color: var(--color-primary); transition: width var(--transition-normal); }
.navbar-links a:hover::after { width: 100%; }

/* Hero */
.hero, .hero.hero-dark { background: linear-gradient(135deg, #0D1117 0%, #0a1628 100%); position: relative; overflow: hidden; color: #ffffff; min-height: 100vh; display: flex; align-items: center; justify-content: center; text-align: center; }
#particles-canvas { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }
.hero .container { position: relative; z-index: 2; }
.hero h1, .hero.hero-dark h1 { color: #ffffff; font-size: 3.2rem; font-weight: 800; line-height: 1.15; letter-spacing: -1px; text-shadow: 0 2px 20px rgba(0,0,0,0.5); margin-bottom: 1.5rem; }
.hero-highlight { color: #1D9E75; text-shadow: 0 0 25px rgba(29,158,117,0.8); }
.hero p, .hero.hero-dark p { color: rgba(255,255,255,0.85); font-size: 1.15rem; }
.hero-content { text-align: center; }
.hero-subtitle { font-size: 1.25rem; color: rgba(255,255,255,0.85); margin-bottom: var(--spacing-2xl); max-width: 600px; margin-left: auto; margin-right: auto; }
.hero-buttons { display: flex; gap: var(--spacing-lg); justify-content: center; flex-wrap: wrap; }
.hero.hero-dark .btn-primary { background: #1D9E75; color: #ffffff; border: none; }
.hero.hero-dark .btn-secondary { border: 1.5px solid #1D9E75; color: #1D9E75; background: transparent; }
.hero.hero-dark .btn-secondary:hover { background: #1D9E75; color: #ffffff; }

/* *** FIX ANIMACIONES — hero visible siempre, resto animado al scroll *** */
.animate-element { opacity: 0; transform: translateY(24px); transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94); }
.animate-element.animate-in { opacity: 1 !important; transform: translateY(0) !important; }
.hero .hero-content,
.hero-content { opacity: 1 !important; transform: none !important; transition: none !important; }

/* Botones */
.btn { padding: var(--spacing-md) var(--spacing-2xl); border-radius: var(--border-radius-lg); font-weight: 600; font-size: 1rem; border: none; cursor: pointer; transition: all var(--transition-normal); display: inline-block; text-align: center; }
.btn-primary { background-color: var(--color-primary); color: var(--color-white); box-shadow: 0 4px 15px rgba(29, 158, 117, 0.3); }
.btn-primary:hover { background-color: var(--color-primary-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(29, 158, 117, 0.4); }
.btn-secondary { background-color: transparent; color: var(--color-primary); border: 2px solid var(--color-primary); }
.btn-secondary:hover { background-color: var(--color-primary-light); transform: translateY(-2px); }

/* Secciones */
section { padding: var(--spacing-4xl) 0; }
.section-title-wrapper { text-align: center; margin-bottom: var(--spacing-4xl); }
.section-title { display: inline-block; position: relative; padding-bottom: var(--spacing-md); }
.section-title::after { content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 80px; height: 4px; background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%); border-radius: var(--border-radius-full); }

/* Servicios */
#servicios { background-color: #F8F9FA; }
.servicios-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: var(--spacing-2xl); }
.service-card { background-color: var(--color-white); padding: var(--spacing-2xl); border-radius: var(--border-radius-xl); box-shadow: var(--shadow-md); transition: all var(--transition-normal); text-align: center; }
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-xl); }
.service-icon { width: 80px; height: 80px; background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-accent-light) 100%); border-radius: var(--border-radius-lg); display: flex; align-items: center; justify-content: center; margin: 0 auto var(--spacing-lg); font-size: 2rem; }
.service-card h3 { color: var(--color-gray-900); margin-bottom: var(--spacing-md); }
.service-card p { color: var(--color-gray-600); }

/* Sobre Mí */
#sobre { background-color: var(--color-white); }
.about-content { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-4xl); align-items: center; }
.about-image { width: 100%; max-width: 500px; height: 500px; background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-accent-light) 100%); border-radius: var(--border-radius-2xl); display: flex; align-items: center; justify-content: center; font-size: 4rem; box-shadow: var(--shadow-lg); overflow: hidden; }
.about-text h2 { color: var(--color-gray-900); }
.about-text p { margin-bottom: var(--spacing-lg); color: var(--color-gray-700); font-size: 1.05rem; }
.about-highlight { background-color: var(--color-primary-light); border-left: 4px solid var(--color-primary); padding: var(--spacing-lg); border-radius: var(--border-radius-md); margin: var(--spacing-xl) 0; color: var(--color-gray-800); }

/* Contacto */
#contacto { background: linear-gradient(135deg, #0F2035 0%, #1a3a5c 100%) !important; }
#contacto .section-title, #contacto h2 { color: #ffffff !important; }
#contacto p, #contacto label { color: rgba(255,255,255,0.75) !important; }
#contacto .contact-info h2, #contacto .contact-info p, #contacto .contact-info ul li { color: rgba(255,255,255,0.85) !important; }
#contacto .contact-form, #contacto form { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12); border-radius: 16px; padding: 2rem; }
#contacto input, #contacto textarea { background: rgba(255,255,255,0.08) !important; border: 1px solid rgba(255,255,255,0.2) !important; color: #ffffff !important; border-radius: 8px !important; }
#contacto input::placeholder, #contacto textarea::placeholder { color: rgba(255,255,255,0.45) !important; }
#contacto button[type="submit"] { background: #1D9E75; color: #ffffff; border: none; }
.contact-content { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-4xl); align-items: center; }
.contact-links { display: flex; gap: var(--spacing-lg); margin-top: var(--spacing-2xl); }
.contact-links a { display: inline-flex; align-items: center; gap: var(--spacing-sm); padding: var(--spacing-md) var(--spacing-lg); background-color: rgba(255,255,255,0.1); color: #ffffff; border-radius: var(--border-radius-lg); font-weight: 600; transition: all var(--transition-normal); }
.contact-links a:hover { transform: translateY(-2px); background-color: rgba(255,255,255,0.2); }
.form-group { margin-bottom: var(--spacing-lg); }
.form-group label { display: block; margin-bottom: var(--spacing-sm); font-weight: 600; }
.form-group input, .form-group textarea { width: 100%; padding: var(--spacing-md); border: 1px solid var(--color-gray-200); border-radius: var(--border-radius-md); font-family: var(--font-family-sans); font-size: 1rem; transition: border-color var(--transition-fast); }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(29, 158, 117, 0.1); }
.form-group textarea { resize: vertical; min-height: 120px; }

/* Footer */
.footer { background-color: var(--color-gray-900); color: var(--color-gray-300); padding: var(--spacing-3xl) 0; }
.footer-content { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-3xl); align-items: center; }
.footer-info p { margin-bottom: var(--spacing-md); color: var(--color-gray-300); }
.footer-links { display: flex; gap: var(--spacing-lg); justify-content: flex-end; }
.footer-links a { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; background-color: rgba(255, 255, 255, 0.1); border-radius: var(--border-radius-full); color: var(--color-white); transition: all var(--transition-normal); }
.footer-links a:hover { background-color: var(--color-primary); transform: translateY(-2px); }

/* Animaciones keyframes */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInLeft { from { opacity: 0; transform: translateX(-30px); } to { opacity: 1; transform: translateX(0); } }
@keyframes fadeInRight { from { opacity: 0; transform: translateX(30px); } to { opacity: 1; transform: translateX(0); } }

/* Responsive */
@media (max-width: 768px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 1.875rem; margin-bottom: var(--spacing-xl); }
  .navbar-links { gap: var(--spacing-lg); font-size: 0.9rem; }
  .hero { padding-top: 80px; min-height: auto; }
  .hero-buttons { flex-direction: column; gap: var(--spacing-md); }
  .btn { width: 100%; }
  .about-content, .contact-content { grid-template-columns: 1fr; gap: var(--spacing-2xl); }
  .about-image { height: 300px; max-width: 100%; }
  .footer-content { grid-template-columns: 1fr; text-align: center; }
  .footer-links { justify-content: center; }
  section { padding: var(--spacing-2xl) 0; }
  .servicios-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  .hero-subtitle { font-size: 1rem; }
  .navbar-links { display: none; }
  .container { padding: 0 var(--spacing-md); }
  .service-card, .contact-form { padding: var(--spacing-lg); }
}