/* Fonts */
@font-face {
  font-family: 'Roboto';
  src: url('../fonts/roboto.woff2') format('woff2'),
       url('../fonts/roboto.woff') format('woff');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Roboto';
  src: url('../fonts/roboto-medium.woff2') format('woff2'),
       url('../fonts/roboto-medium.woff') format('woff');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Roboto';
  src: url('../fonts/roboto-bold.woff2') format('woff2'),
       url('../fonts/roboto-bold.woff') format('woff');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Roboto';
  src: url('../fonts/roboto-black.woff2') format('woff2'),
       url('../fonts/roboto-black.woff') format('woff');
  font-weight: 900;
  font-style: normal;
  font-display: swap;
}

/* Variables */
:root {
  --color-primary: #52d87f;
  --color-primary-dark: #3cb868;
  --color-accent: #41f2ff;
  --color-dark: #24243e;
  --color-dark-lighter: #2d2d4a;
  --color-warning: #ff7f00;
  --color-bg-light: #e6e6e6;
  --color-bg-green-light: #e5f9eb;
  --color-bg-green: #ddf7e5;
  --color-text: #333;
  --color-text-light: #666;
  --color-white: #fff;

  --font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --container-max-width: 1000px;
  --section-padding: 40px;
  --section-padding-mobile: 30px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-weight: 400;
  font-size: 15px;
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-bg-light);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-primary-dark);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 900;
  line-height: 1.2;
  color: var(--color-dark);
}

h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

p {
  margin-bottom: 0.75rem;
}

p:last-child {
  margin-bottom: 0;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-family: var(--font-family);
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
}

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

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-white);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
  padding: 8px 18px;
  font-size: 0.9rem;
}

.btn-outline:hover {
  background-color: var(--color-primary);
  color: var(--color-dark);
}

.btn-full {
  width: 100%;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: var(--color-dark);
  padding: 12px 0;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-link {
  display: block;
}

.logo {
  height: 32px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-links a {
  color: var(--color-white);
  font-weight: 500;
  font-size: 0.9rem;
}

.nav-links a:hover {
  color: var(--color-primary);
}

.nav-links .btn-outline {
  color: var(--color-primary);
}

.nav-links .btn-outline:hover {
  color: var(--color-dark);
}

/* Hero Section */
.hero {
  background-color: var(--color-dark);
  padding: calc(var(--section-padding) + 60px) 0 var(--section-padding);
}

.hero-content {
  max-width: 600px;
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: 1rem;
}

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

.hero-subtitle {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 1.5rem;
  max-width: 500px;
}

/* About Section */
.about {
  background-color: var(--color-white);
  padding: var(--section-padding) 0;
}

.about h2 {
  text-align: center;
  margin-bottom: 1.5rem;
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.about-card {
  background-color: var(--color-bg-green-light);
  padding: 24px 20px;
  border-radius: 8px;
}

.card-icon {
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.card-icon svg {
  width: 36px;
  height: 36px;
}

.about-card h3 {
  color: var(--color-dark);
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.about-card p {
  color: var(--color-text-light);
  font-size: 0.95rem;
}

/* Services Section */
.services {
  background-color: var(--color-dark);
  padding: var(--section-padding) 0;
}

.services h2 {
  color: var(--color-white);
  text-align: center;
  margin-bottom: 1.5rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.service-card {
  background-color: var(--color-dark-lighter);
  padding: 24px 20px;
  border-radius: 8px;
  border-left: 4px solid var(--color-primary);
}

.service-number {
  display: block;
  font-size: 2rem;
  font-weight: 900;
  color: var(--color-primary);
  opacity: 0.3;
  margin-bottom: 0.5rem;
  line-height: 1;
}

.service-card h3 {
  color: var(--color-white);
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.service-card p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
}

/* Contact Section */
.contact {
  background-color: var(--color-white);
  padding: var(--section-padding) 0;
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.contact-info h2 {
  margin-bottom: 0.75rem;
}

.contact-info > p {
  color: var(--color-text-light);
  font-size: 1rem;
  margin-bottom: 1.25rem;
}

.contact-features {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.feature {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-text);
  font-size: 0.95rem;
}

.feature svg {
  color: var(--color-primary);
  flex-shrink: 0;
  width: 20px;
  height: 20px;
}

/* Contact Form */
.contact-form-wrapper {
  background-color: var(--color-bg-green-light);
  padding: 24px;
  border-radius: 8px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--color-dark);
}

.form-group input,
.form-group textarea {
  padding: 12px 14px;
  font-family: var(--font-family);
  font-size: 1rem;
  border: 2px solid #ddd;
  border-radius: 4px;
  transition: border-color 0.2s ease;
  width: 100%;
}

.form-group textarea {
  resize: vertical;
  min-height: 80px;
  max-height: 200px;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.char-count {
  font-weight: 400;
  font-size: 0.8rem;
  color: var(--color-text-light);
}

.char-count.near-limit {
  color: var(--color-warning);
}

.char-count.at-limit {
  color: #dc2626;
}

.form-message {
  padding: 12px 16px;
  border-radius: 4px;
  font-size: 0.95rem;
}

.form-message.success {
  background-color: var(--color-bg-green);
  color: var(--color-primary-dark);
  border: 1px solid var(--color-primary);
}

.form-message.error {
  background-color: #fef2f2;
  color: #dc2626;
  border: 1px solid #fecaca;
}

.form-privacy {
  font-size: 0.85rem;
  color: var(--color-text-light);
  text-align: center;
  margin-top: 0.5rem;
}

/* Footer */
.footer {
  background-color: var(--color-dark);
  padding: 30px 0 20px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  margin-top: 6px;
  font-size: 0.9rem;
}

.footer-logo {
  height: 28px;
  width: auto;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  padding-top: 15px;
  text-align: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 768px) {
  :root {
    --section-padding: var(--section-padding-mobile);
  }

  .nav-links {
    display: none;
  }

  .hero {
    padding: calc(var(--section-padding-mobile) + 56px) 0 var(--section-padding-mobile);
  }

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

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

  h2 {
    font-size: 1.5rem;
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .contact-form-wrapper {
    padding: 20px 16px;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
    gap: 16px;
  }

  .about-card,
  .service-card {
    padding: 20px 16px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .about-grid,
  .services-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .hero h1 {
    font-size: 1.75rem;
  }

  .form-group input,
  .form-group textarea {
    padding: 10px 12px;
  }

  .btn {
    padding: 10px 20px;
  }
}