/* 
  Estalo Tech - Professional Design System
  Author: Antigravity
  Version: 2.0 (Custom Implementation)
*/

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&family=Miriam+Libre:wght@400;700&display=swap');

:root {
  /* Brand Colors */
  --color-primary: #112967;
  --color-secondary: #31db82;
  --color-support-1: #0070e0;
  --color-support-2: #00e4d2;

  /* Neutral Colors */
  --color-white: #ffffff;
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;

  /* Semantic Colors */
  --bg-body: var(--color-white);
  --text-main: var(--color-gray-800);
  --text-heading: var(--color-primary);

  /* Typography */
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Miriam Libre', sans-serif;

  /* Spacing */
  --section-padding: 80px 20px;
  --container-max-width: 1200px;

  /* Shadow & Transitions */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-main);
  background-color: var(--bg-body);
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  color: var(--text-heading);
  font-weight: 700;
  line-height: 1.2;
}

a {
  text-decoration: none;
  transition: var(--transition);
  color: inherit;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Layout Utilities */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 20px;
}

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

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 50px;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--color-secondary);
  margin: 15px auto 0;
  border-radius: 2px;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 50px;
  font-family: var(--font-heading);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-size: 1rem;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background-color: var(--color-support-1);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background-color: var(--color-secondary);
  color: var(--color-primary);
}

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

/* Header */
header {
  height: 80px;
  display: flex;
  align-items: center;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition);
}

header.scrolled {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  height: 70px;
  box-shadow: var(--shadow-sm);
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo img {
  height: 45px;
}

.nav-links {
  display: flex;
  gap: 30px;
}

.nav-links a:not(.btn) {
  font-weight: 600;
  font-family: var(--font-heading);
  color: var(--color-primary);
}

.nav-links a:hover:not(.btn) {
  color: var(--color-secondary);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 3px;
  transition: var(--transition);
}

/* Hero Section */
.hero {
  padding-top: 140px;
  min-height: 80vh;
  background: linear-gradient(135deg, rgba(17, 41, 103, 0.05) 0%, rgba(49, 219, 130, 0.05) 100%);
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  align-items: center;
}

.hero-content h1 {
  font-size: 3.5rem;
  margin-bottom: 20px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-support-1));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-content p {
  font-size: 1.25rem;
  margin-bottom: 35px;
  color: var(--color-gray-800);
}

.hero-image {
  position: relative;
}

.hero-image img {
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  animation: float 6s ease-in-out infinite;
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-20px);
  }
}

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.service-card {
  padding: 40px;
  background: var(--color-white);
  border-radius: 20px;
  border: 1px solid var(--color-gray-100);
  transition: var(--transition);
  text-align: center;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-secondary);
}

.service-icon {
  width: 80px;
  height: 80px;
  background: var(--color-gray-50);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 25px;
  color: var(--color-primary);
  font-size: 2rem;
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background: var(--color-secondary);
  color: var(--color-white);
}

.service-card h3 {
  font-size: 1.25rem;
  margin-bottom: 15px;
}

/* About */
.about {
  background-color: var(--color-gray-50);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text h2 {
  font-size: 2.25rem;
  margin-bottom: 20px;
}

/* Contact */
.contact-section {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 50px;
}

.contact-info-card {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 40px;
  border-radius: 20px;
}

.contact-info-card h3 {
  color: var(--color-secondary);
  margin-bottom: 30px;
}

.contact-item {
  display: flex;
  gap: 20px;
  margin-bottom: 25px;
}

.contact-icon {
  width: 24px;
  height: 24px;
  color: var(--color-secondary);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-form {
  background: var(--color-white);
  padding: 40px;
  border-radius: 20px;
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
}

.form-control {
  width: 100%;
  padding: 12px 20px;
  border: 1px solid var(--color-gray-200);
  border-radius: 10px;
  font-family: inherit;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(17, 41, 103, 0.1);
}

/* Footer */
footer {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 80px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-logo img {
  height: 50px;
  margin-bottom: 20px;
}

.footer-links h4 {
  color: var(--color-secondary);
  margin-bottom: 20px;
}

.footer-links ul li {
  margin-bottom: 12px;
}

.footer-links a:hover {
  color: var(--color-secondary);
  padding-left: 5px;
}

.copyright {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 992px) {

  .hero-grid,
  .about-grid,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero-content {
    text-align: center;
  }

  .hero-content h1 {
    font-size: 2.5rem;
  }

  .hero-image {
    order: -1;
  }

  .nav-links {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background: var(--color-white);
    flex-direction: column;
    padding: 40px;
    gap: 20px;
    text-align: center;
    box-shadow: var(--shadow-md);
  }

  .nav-links.active {
    display: flex;
  }

  .menu-toggle {
    display: flex;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* WhatsApp Floating Button */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background-color: #25d366;
  color: #fff;
  border-radius: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  box-shadow: 2px 2px 15px rgba(0, 0, 0, 0.2);
  z-index: 1000;
  transition: var(--transition);
  animation: pulse-whatsapp 2s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  background-color: #128c7e;
  color: #fff;
}

@keyframes pulse-whatsapp {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5);
  }

  70% {
    box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
  }

  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

@media (max-width: 576px) {
  .section {
    padding: 60px 15px;
  }

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

  .section-title {
    font-size: 2rem;
  }

  .whatsapp-float {
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    font-size: 25px;
  }
}