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

:root {
    --primary: #1fa34a;       /* Verde principal */
    --primary-dark: #16803a;  /* Verde oscuro para hover/acentos */
    --primary-light: #e8f7ee; /* Verde muy claro para fondos suaves */
    --secondary: #f5a623;     /* Ámbar cálido, contrasta bien con el verde */
    --dark: #14231a;          /* Texto oscuro con tinte verdoso */
    --gray: #5b6a60;          /* Gris con tinte verdoso para texto secundario */
    --light: #f5f5f5;
    --success: #1fa34a;
    --white: #ffffff;
}

body {
    font-family: 'Montserrat', sans-serif;
    background: var(--white);
    color: var(--dark);
    overflow-x: hidden;
}

/* Header */
header {
    background: linear-gradient(180deg, #ffffff 0%, var(--primary-light) 100%);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(31, 163, 74, 0.2);
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 5%;
    border-bottom: 2px solid var(--primary);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 3px solid var(--primary);
}

.brand-name {
    font-size: 1.5rem;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--dark);
}

.brand-name span {
    color: var(--secondary);
}

.contact-quick {
    display: flex;
    gap: 20px;
}

.contact-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 25px;
    background: var(--primary);
    color: #fff;
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.contact-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(31, 163, 74, 0.4);
    background: var(--primary-dark);
}

.contact-btn.phone {
    background: var(--secondary);
}

.contact-btn.phone:hover {
    box-shadow: 0 5px 20px rgba(245, 166, 35, 0.4);
    background: #d98d10;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(255, 255, 255, 0.88), rgba(232, 247, 238, 0.92));
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    padding: 100px 5%;
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    text-transform: uppercase;
    color: var(--dark);
    text-shadow: none;
}

.hero h1 span {
    color: var(--secondary);
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 40px;
    color: var(--primary-dark);
    font-weight: 600;
}

/* Services Section */
.services {
    padding: 80px 5%;
    background: linear-gradient(180deg, #ffffff 0%, var(--primary-light) 100%);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 50px;
    text-transform: uppercase;
    color: var(--primary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid var(--primary-light);
    box-shadow: 0 4px 15px rgba(31, 163, 74, 0.08);
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: 0 10px 40px rgba(31, 163, 74, 0.25);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--primary-dark);
    text-transform: uppercase;
}

.service-card p {
    color: var(--gray);
    line-height: 1.6;
}

/* Footer */
footer {
    background: var(--dark);
    color: var(--white);
    padding: 60px 5% 30px;
    border-top: 3px solid var(--primary);
}

.link-autoadorno {
    text-decoration: none;
}

/* Scroll smooth */
html {
    scroll-behavior: smooth;
}

/* Loading Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.service-card {
    animation: fadeIn 0.6s ease forwards;
}

/* Responsive */
@media (max-width: 768px) {
    .header-top {
        flex-direction: column;
        gap: 15px;
        padding: 10px 5%;
    }

    .logo-container {
        width: 100%;
    }

    .logo {
        width: 50px;
        height: 50px;
    }

    .brand-name {
        font-size: 1rem;
    }

    .contact-quick {
        width: 100%;
        justify-content: center;
    }

    .contact-quick a:not(.contact-btn.phone) {
        display: none;
    }

    .contact-btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .hero {
        padding: 60px 5%;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .service-icon {
        font-size: 2.5rem;
    }

    .logo {
        width: 80px;
        height: 80px;
    }

    .brand-name {
        font-size: 1.5rem;
    }
}

/* ==== CLS FIX CRÍTICO ==== */

header {
    min-height: 140px;
}

.hero {
    min-height: 500px;
    background-attachment: scroll;
}

@media (max-width: 768px) {
    header {
        min-height: 120px;
    }

    .hero {
        min-height: 380px;
    }
}

@media (min-width: 1200px) {
    .hero {
        background-attachment: fixed;
    }
}

/* FONT LOADING - Evita FOUT (Flash of Unstyled Text) */
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: local('Montserrat');
}

/* RESERVAR ESPACIO PARA HEADER */
header {
  min-height: 113px;
}

@media (max-width: 768px) {
  header {
    min-height: 180px;
  }
}

/* HERO SECTION - Altura mínima */
.hero {
  min-height: 600px;
  background-attachment: scroll;
}

@media (max-width: 768px) {
  .hero {
    min-height: 500px;
  }
}

@media (min-width: 1200px) {
  .hero {
    background-attachment: fixed;
  }
}

/* IMÁGENES - Aspect ratio */
.logo {
  width: 80px;
  height: 80px;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

/* SERVICE CARDS - Altura mínima */
.service-card {
  min-height: 280px;
}

/* FOOTER - Altura mínima */
footer {
  min-height: 208px;
}

/* BUTTONS - Altura consistente */
.contact-btn {
  min-height: 48px;
  line-height: 1.2;
}

/* GRIDS - Evitar colapso */
.services-grid {
  min-height: 300px;
}

/* MOBILE FIX */
@media (max-width: 768px) {
  .service-card {
    min-height: 250px;
  }

  .hero {
    min-height: 450px;
  }
}

@media (max-width: 480px) {
  header {
    min-height: 200px;
  }

  .hero {
    min-height: 400px;
  }
}

/* PREVENT LAYOUT SHIFTS during JavaScript loading */
.services-grid:empty {
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.services-grid:empty::after {
  content: 'Cargando...';
  color: var(--primary);
  font-size: 1.2rem;
}

/* CONTAIN LAYOUT - Mejor rendimiento */
.service-card {
  contain: layout style paint;
}

/* WILL-CHANGE solo para animaciones activas */
.service-card:hover {
  will-change: transform;
}

.service-card:not(:hover) {
  will-change: auto;
}