/* ===== CSS Variables ===== */
:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-card: #1a1a1a;
  --text-primary: #f0f0f0;
  --text-secondary: #a0a0a0;
  --accent: #e63946;
  --accent-dark: #b82e3a;
  --accent-light: #ff4d5a;
  --border: #2a2a2a;
  --font-main: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --max-width: 1200px;
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  text-decoration: none;
  color: inherit;
}

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

/* ===== Container ===== */
.container {
  width: 90%;
  max-width: var(--max-width);
  margin: 0 auto;
}

/* ===== Header / Navbar ===== */
.navbar {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

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

.navbar__logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.5px;
}

.navbar__logo span {
  color: var(--accent);
}

.navbar__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.navbar__toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--text-primary);
  margin: 5px 0;
  border-radius: 2px;
  transition: var(--transition);
}

.navbar__links {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.navbar__links a {
  color: var(--text-secondary);
  font-weight: 500;
  transition: color var(--transition);
  position: relative;
  padding: 0.25rem 0;
}

.navbar__links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent);
  transition: width var(--transition);
}

.navbar__links a:hover,
.navbar__links a.active {
  color: var(--text-primary);
}

.navbar__links a:hover::after,
.navbar__links a.active::after {
  width: 100%;
}

/* ===== Hero Section ===== */
.hero {
  padding: 6rem 0;
  text-align: center;
  background: linear-gradient(135deg, var(--bg-primary) 0%, #1a0a0d 100%);
  border-bottom: 1px solid var(--border);
}

.hero__title {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.hero__title span {
  color: var(--accent);
}

.hero__subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 2.5rem;
}

.btn {
  display: inline-block;
  padding: 0.85rem 2.5rem;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}

.btn--primary {
  background-color: var(--accent);
  color: #fff;
}

.btn--primary:hover {
  background-color: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(230, 57, 70, 0.4);
}

/* ===== Section Styles ===== */
.section {
  padding: 5rem 0;
}

.section__title {
  font-size: 2.25rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 0.75rem;
}

.section__title span {
  color: var(--accent);
}

.section__subtitle {
  text-align: center;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 3rem;
  font-size: 1.1rem;
}

/* ===== Services Grid ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.service-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2.5rem 2rem;
  text-align: center;
  transition: all var(--transition);
}

.service-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(230, 57, 70, 0.15);
}

.service-card__icon {
  font-size: 2.5rem;
  margin-bottom: 1.25rem;
  display: inline-block;
  width: 70px;
  height: 70px;
  line-height: 70px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
}

.service-card__title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.service-card__desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ===== About Section ===== */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text h3 {
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.about-text h3 span {
  color: var(--accent);
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  line-height: 1.8;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.stat-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
}

.stat-card__number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
  display: block;
}

.stat-card__label {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 0.5rem;
  display: block;
}

/* ===== Contact Form ===== */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.contact-info p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.contact-info__item {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
  color: var(--text-secondary);
}

.contact-info__item .icon {
  width: 44px;
  height: 44px;
  line-height: 44px;
  text-align: center;
  border-radius: 50%;
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-form {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 1rem;
  transition: border-color var(--transition);
}

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

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.alert {
  padding: 1rem 1.25rem;
  border-radius: 8px;
  margin-bottom: 1.5rem;
  font-weight: 500;
}

.alert--success {
  background-color: rgba(40, 167, 69, 0.15);
  border: 1px solid rgba(40, 167, 69, 0.3);
  color: #5cdb6f;
}

/* ===== Footer ===== */
.footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 3rem 0 1.5rem;
  margin-top: auto;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer__brand p {
  color: var(--text-secondary);
  margin-top: 0.75rem;
  line-height: 1.7;
  max-width: 360px;
}

.footer__heading {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.footer__link-list {
  list-style: none;
}

.footer__link-list li {
  margin-bottom: 0.6rem;
}

.footer__link-list a {
  color: var(--text-secondary);
  transition: color var(--transition);
}

.footer__link-list a:hover {
  color: var(--accent);
}

.footer__bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer__bottom span {
  color: var(--accent);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .navbar__toggle {
    display: block;
  }

  .navbar__links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 1rem 5%;
    gap: 0;
  }

  .navbar__links.open {
    display: flex;
  }

  .navbar__links li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
  }

  .navbar__links li:last-child {
    border-bottom: none;
  }

  .hero {
    padding: 4rem 0;
  }

  .hero__title {
    font-size: 2rem;
  }

  .hero__subtitle {
    font-size: 1rem;
  }

  .about-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .section {
    padding: 3rem 0;
  }

  .section__title {
    font-size: 1.75rem;
  }
}