:root {
  --primary: #c91f25;
  --primary-dark: #8f1418;
  --secondary: #ffffff;
  --accent: #f4c542;
  --accent-soft: #fff2c7;
  --tertiary: #1f3b5c;
  --text: #222222;
  --muted: #666666;
  --bg: #fffafa;
  --card: #ffffff;
  --border: #eadede;
  --shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Vazirmatn", Tahoma, sans-serif;
  background: linear-gradient(180deg, #fffefe 0%, #fff8f8 100%);
  color: var(--text);
  line-height: 1.9;
}

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

.container {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
}

.topbar-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.brand h1 {
  margin: 0;
  font-size: 1.35rem;
  color: var(--primary-dark);
}

.brand p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.brand-badge {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  font-weight: 800;
  box-shadow: var(--shadow);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.nav a {
  color: var(--tertiary);
  font-weight: 600;
  transition: 0.2s ease;
}

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

.hero {
  position: relative;
  min-height: 680px;
  padding: 0;

  background-image:
    linear-gradient(rgba(108, 150, 168, 0.55), rgba(108, 150, 168, 0.55)),
    url("plumbd.jpg");

  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-grid {
  min-height: 680px;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2rem;
  align-items: end;
  padding: 8rem 0 3rem;
}

.tag {
  display: inline-block;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  background: #f1d6a5;
  color: #5b3b00;
  font-weight: 700;
  font-size: 0.9rem;
}

.hero h2 {
  font-size: clamp(3rem, 6vw, 5rem);
  line-height: 1.2;
  margin: 1rem 0;
  color: white;
}

.hero p {
  color: rgba(255, 255, 255, 0.95);
  font-size: 1.05rem;
  max-width: 65ch;
}

.hero-card {
  padding: 1.7rem;
  border-top: 5px solid var(--primary);
  background: rgba(255, 255, 255, 0.95);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.4rem;
  border-radius: 12px;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  box-shadow: var(--shadow);
}

.btn-secondary {
  background: white;
  color: var(--tertiary);
  border: 1px solid var(--border);
}

.hero-card,
.card,
.service-card,
.reason-card,
.contact-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-card h3 {
  margin-top: 0;
  color: var(--tertiary);
}

.hero-card ul {
  margin: 0;
  padding-right: 1.1rem;
}

.hero-card li::marker {
  color: var(--primary);
}

.section {
  padding: 4.5rem 0;
}

.section-soft {
  background: linear-gradient(180deg, #fff9f9 0%, #fff4f4 100%);
}

.section-heading {
  text-align: center;
  margin-bottom: 2rem;
}

.section-heading span {
  color: var(--primary);
  font-weight: 800;
  letter-spacing: 0.02em;
}

.section-heading h2 {
  margin: 0.5rem 0 0;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  color: var(--tertiary);
}

.leftless {
  text-align: right;
  margin-bottom: 1rem;
}

.about-grid,
.internship-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.5rem;
}

.card {
  padding: 1.6rem;
}

.stats-card {
  display: grid;
  gap: 1rem;
}

.stat {
  padding: 1rem;
  border-radius: 14px;
  background: #fff7e7;
  border: 1px dashed #e7c66d;
}

.stat strong {
  display: block;
  font-size: 1.5rem;
  color: var(--primary-dark);
}

.stat span {
  color: #6b5b2d;
}

.services-grid,
.reasons-grid,
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}

.service-card,
.reason-card,
.contact-card {
  padding: 1.4rem;
  height: 100%;
}

.service-card {
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto auto;
  width: 110px;
  height: 110px;
  background: radial-gradient(circle, rgba(201, 31, 37, 0.10), transparent 70%);
}

.icon {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, #ffe7e7 0%, #ffd4d4 100%);
  color: var(--primary-dark);
  font-weight: 800;
  margin-bottom: 1rem;
}

.service-card h3,
.reason-card h3,
.contact-card h3 {
  margin-top: 0;
  color: var(--tertiary);
}

.internship-section {
  background:
    linear-gradient(180deg, #fffefe 0%, #fff8f0 100%);
}

.internship-card {
  border-right: 5px solid var(--primary);
}

.check-list {
  padding-right: 1.1rem;
  margin-bottom: 1rem;
}

.check-list li::marker {
  color: var(--primary);
}

.internship-note {
  color: var(--muted);
}

.email-link {
  display: inline-block;
  padding: 0.8rem 1rem;
  background: #fff5f5;
  border: 1px solid #f0cfcf;
  border-radius: 12px;
  color: var(--primary-dark);
  font-weight: 700;
  word-break: break-word;
}

.contact-card p {
  margin-bottom: 0;
  color: #4b4b4b;
}

.contact-card a {
  color: var(--primary-dark);
  font-weight: 700;
}

.footer {
  background: #111827;
  color: #f5f5f5;
  padding: 2rem 0;
}

.footer-content {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1.5rem;
}

.footer h3 {
  margin-top: 0;
  color: #ffffff;
}

.footer p {
  max-width: 60ch;
  color: #d1d5db;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-links a {
  color: #f9d35b;
}

@media (max-width: 900px) {
  .hero-grid,
  .about-grid,
  .internship-grid,
  .services-grid,
  .reasons-grid,
  .contact-grid,
  .footer-content,
  .topbar-content {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: stretch;
  }

  .nav {
    justify-content: center;
  }

  .hero {
    padding-top: 2.5rem;
  }

  .hero-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 1rem, 1120px);
  }

  .brand {
    align-items: flex-start;
  }

  .brand-badge {
    width: 50px;
    height: 50px;
  }

  .hero h2 {
    font-size: 2rem;
  }

  .btn {
    width: 100%;
  }

  .nav {
    gap: 0.7rem;
  }
}