:root {
  --primary-color: #e74c3c; /* قرمز نارنجی */
  --secondary-color: #3498db; /* آبی */
  --accent-color: #f1c40f; /* زرد برای تاکید */
  --dark-text: #2c3e50;
  --light-text: #5f6c7b;
  --bg-main: #ffffff;
  --bg-light-accent: #f8f9fa;
  --bg-dark-accent: #34495e;
  --border-radius-soft: 8px;
  --border-radius-medium: 12px;
  --border-radius-large: 20px;
  --shadow-light: 0 2px 8px rgba(44, 62, 80, 0.08);
  --shadow-medium: 0 5px 15px rgba(44, 62, 80, 0.12),
    0 2px 5px rgba(44, 62, 80, 0.06);
  --shadow-strong: 0 10px 25px rgba(44, 62, 80, 0.15),
    0 5px 10px rgba(44, 62, 80, 0.08);
  --shadow-interactive: 0 6px 18px rgba(231, 76, 60, 0.35);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Vazirmatn", Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: var(--bg-main);
  color: var(--dark-text);
  line-height: 1.75;
  direction: rtl;
  font-size: 16px;
  overflow-x: hidden; /* جلوگیری از اسکرول افقی ناخواسته در سطح body */
}

.container {
  width: 90%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 15px;
  box-sizing: border-box; /* برای اینکه padding به عرض اضافه نشود */
}

/* ======================= بخش Hero ======================= */
.hero-section {
  background: linear-gradient(135deg, #fefefe 0%, #f0f2f5 100%);
  padding: 90px 0 70px;
  text-align: center;
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid #dee2e6;
}

.hero-content h1 {
  font-size: 3.2rem;
  color: var(--dark-text);
  margin-top: 35px;
  margin-bottom: 25px;
  font-weight: 700;
  line-height: 1.35;
  text-shadow: 0 2px 5px rgba(44, 62, 80, 0.1);
}

.hero-content .subtitle {
  font-size: 1.35rem;
  color: var(--light-text);
  margin-bottom: 45px;
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
}

/* استایل برای تصاویر جایگزین شده */
.hero-image,
.course-image,
.age-group-image,
.about-image,
.final-cta-image,
.feature-icon,
.course-icon {
  display: block;
  margin: 30px auto;
  object-fit: contain;
  border-radius: var(--border-radius-medium);
  background-color: #eef2f7;
  box-shadow: var(--shadow-light);
  box-sizing: border-box;
}

.hero-image {
  max-height: 320px;
  max-width: 680px;
}
.course-image {
  height: 200px;
  width: 100%;
  margin: 0 auto 0;
  object-fit: scale-down;
}
.age-group-image {
  max-height: 220px;
  margin-bottom: 28px;
}
.about-image {
  max-width: 100%;
}
.final-cta-image {
  max-width: 480px;
  margin-top: 60px;
  background-color: rgba(255, 255, 255, 0.08);
  padding: 20px;
}

.feature-icon {
  height: 90px;
  width: 90px;
  margin-bottom: 20px;
  border-radius: 50%;
  padding: 20px;
}
.course-icon {
  height: 70px;
  width: 70px;
  margin-bottom: 15px;
  border-radius: 50%;
  padding: 15px;
}

.cta-button {
  display: inline-block;
  background-color: var(--primary-color);
  color: var(--bg-main);
  padding: 16px 40px;
  font-size: 1.2rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--border-radius-large);
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  box-shadow: var(--shadow-interactive);
}
.cta-button:hover,
.cta-button:focus {
  background-color: #d62c1a;
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 10px 20px rgba(231, 76, 60, 0.4);
}

.section-title {
  text-align: center;
  font-size: 2.6rem;
  color: var(--dark-text);
  margin-bottom: 30px;
  position: relative;
  padding-bottom: 20px;
  font-weight: 600;
}
.section-title::after {
  content: "";
  display: block;
  width: 80px;
  height: 5px;
  background: linear-gradient(
    to right,
    var(--primary-color),
    var(--accent-color)
  );
  margin: 20px auto 0;
  border-radius: 3px;
  box-shadow: 0 2px 5px rgba(231, 76, 60, 0.3);
}
.section-subtitle {
  text-align: center;
  font-size: 1.2rem;
  color: var(--light-text);
  margin-bottom: 60px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}
.subsection-title {
  font-size: 2.1rem;
  color: var(--bg-dark-accent);
  margin-top: 70px;
  margin-bottom: 35px;
  text-align: center;
  font-weight: 500;
}

section {
  padding: 90px 0;
}
section:nth-of-type(even) {
  background-color: var(--bg-light-accent);
}
.hero-section {
  background: linear-gradient(135deg, #fefefe 0%, #f0f2f5 100%);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 40px;
  margin-top: 50px;
}
.feature-item {
  background-color: var(--bg-main);
  padding: 35px;
  text-align: center;
  border-radius: var(--border-radius-medium);
  box-shadow: var(--shadow-medium);
  transition: transform 0.35s cubic-bezier(0.25, 0.8, 0.25, 1),
    box-shadow 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
}
.feature-item:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: var(--shadow-strong);
}
.feature-item h3 {
  font-size: 1.6rem;
  color: var(--dark-text);
  margin-bottom: 15px;
}
.feature-item p {
  font-size: 1rem;
  color: var(--light-text);
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
}
.course-card {
  background-color: var(--bg-main);
  border-radius: var(--border-radius-medium);
  overflow: hidden;
  box-shadow: var(--shadow-medium);
  transition: transform 0.35s cubic-bezier(0.25, 0.8, 0.25, 1),
    box-shadow 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
  display: flex;
  flex-direction: column;
}
.course-card:hover {
  transform: translateY(-12px) scale(1.03);
  box-shadow: var(--shadow-strong);
}
.course-card-content {
  padding: 30px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}
.course-card h3 {
  font-size: 1.7rem;
  color: var(--dark-text);
  margin-top: 0;
  margin-bottom: 18px;
}
.course-card p {
  font-size: 1rem;
  color: var(--light-text);
  margin-bottom: 25px;
  flex-grow: 1;
}
.course-link {
  display: inline-block;
  align-self: flex-start;
  padding: 12px 30px;
  background: linear-gradient(to right, var(--secondary-color), #5dade2);
  color: var(--bg-main);
  text-decoration: none;
  border-radius: var(--border-radius-large);
  transition: all 0.3s ease;
  font-weight: 500;
  box-shadow: 0 4px 10px rgba(52, 152, 219, 0.3);
}
.course-link:hover {
  background: linear-gradient(to right, #2980b9, var(--secondary-color));
  transform: scale(1.05) translateY(-2px);
  box-shadow: 0 6px 15px rgba(52, 152, 219, 0.4);
}

.special-courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 35px;
  margin-top: 40px;
}
.special-course-item {
  background-color: #e6eff8;
  padding: 30px;
  border-radius: var(--border-radius-soft);
  text-align: center;
  box-shadow: var(--shadow-light);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.special-course-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.09);
}
.special-course-item h4 {
  font-size: 1.45rem;
  color: #1a5276;
  margin-bottom: 12px;
}
.special-course-item p {
  font-size: 0.95rem;
  color: #566573;
}

.age-groups-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
  gap: 40px;
}
.age-group-card {
  background-color: var(--bg-main);
  border-radius: var(--border-radius-medium);
  box-shadow: var(--shadow-medium);
  padding: 35px;
  text-align: center;
  transition: transform 0.35s cubic-bezier(0.25, 0.8, 0.25, 1),
    box-shadow 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
}
.age-group-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-strong);
}
.age-group-card h3 {
  font-size: 1.8rem;
  color: var(--primary-color);
  margin-bottom: 20px;
}
.age-group-card p {
  font-size: 1.05rem;
  color: var(--light-text);
}

.about-content {
  display: grid;
  grid-template-columns: 2fr 1.2fr;
  gap: 60px;
  align-items: center;
}
.about-text p {
  margin-bottom: 22px;
  line-height: 1.85;
  font-size: 1.1rem;
}
.about-text a.inline-link {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 2px dotted var(--primary-color);
  padding-bottom: 2px;
  transition: color 0.3s ease, border-bottom-color 0.3s ease;
}
.about-text a.inline-link:hover {
  color: #c0392b;
  border-bottom-color: #c0392b;
}

/* ======================= بخش نظرات دانشجویان (SwiperJS) ======================= */
.testimonials-section {
  background-color: var(--bg-light-accent);
}
.testimonial-swiper-container {
  max-width: 880px;
  margin: 60px auto 0;
  /* padding: 0 40px;  حذف شد */
  position: relative;
  overflow: hidden; /* مهم برای جلوگیری از سرریز شدن محتوای Swiper */
}
.testimonial-slide-item {
  /* این کلاس برای محتوای داخل هر swiper-slide است */
  background-color: var(--bg-main);
  border-radius: var(--border-radius-medium);
  box-shadow: var(--shadow-strong);
  padding: 50px 70px;
  text-align: center;
  box-sizing: border-box;
}
.testimonial-profile-pic {
  width: 95px;
  height: 95px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 25px;
  border: 5px solid var(--primary-color);
  box-shadow: 0 4px 12px rgba(44, 62, 80, 0.2);
}
.testimonial-slide-item h4 {
  font-size: 1.35rem;
  color: var(--dark-text);
  margin-bottom: 15px;
  font-weight: 600;
}
.testimonial-slide-item p {
  font-size: 1.1rem;
  color: var(--light-text);
  font-style: italic;
  line-height: 1.8;
  max-width: 680px;
  margin: 0 auto;
}

/* استایل دکمه‌های ناوبری Swiper */
.swiper-button-next,
.swiper-button-prev {
  color: var(--primary-color) !important;
  background-color: rgba(255, 255, 255, 0.8);
  border-radius: 50%;
  width: 44px !important;
  height: 44px !important;
  box-shadow: var(--shadow-light);
  transition: background-color 0.3s ease;
  top: 50% !important; /* برای قرارگیری در وسط عمودی */
  transform: translateY(-50%) !important; /* برای دقیقاً وسط قرار گرفتن */
}
.swiper-button-next:hover,
.swiper-button-prev:hover {
  background-color: rgba(255, 255, 255, 1);
}
.swiper-button-next::after,
.swiper-button-prev::after {
  font-size: 1.5rem !important;
  font-weight: bold;
}
.swiper-button-prev {
  left: 15px !important;
}
.swiper-button-next {
  right: 15px !important;
}

/* استایل Pagination Dots */
.swiper-pagination {
  position: absolute !important; /* برای کنترل دقیق موقعیت */
  bottom: 20px !important; /* فاصله از پایین کانتینر */
  left: 0 !important;
  right: 0 !important;
  text-align: center !important; /* برای وسط‌چین کردن دات‌ها */
}
.swiper-pagination-bullet {
  background-color: var(--secondary-color) !important;
  opacity: 0.7 !important;
  width: 10px !important;
  height: 10px !important;
  transition: opacity 0.3s, background-color 0.3s;
}
.swiper-pagination-bullet-active {
  opacity: 1 !important;
  background-color: var(--primary-color) !important;
  width: 12px !important;
  height: 12px !important;
}

/* ======================= بخش اطلاعات تماس و فراخوان نهایی ======================= */
.contact-cta-section {
  background: linear-gradient(135deg, var(--bg-dark-accent), #2c3e50);
  color: #ecf0f1;
  padding: 90px 0;
  text-align: center;
}
.contact-cta-section .section-title,
.contact-cta-section .section-subtitle {
  color: var(--bg-main);
}
.contact-cta-section .section-title::after {
  background: linear-gradient(
    to right,
    var(--primary-color),
    var(--accent-color)
  );
}
.contact-cta-section .section-subtitle a {
  color: var(--accent-color);
  text-decoration: none;
  font-weight: bold;
}
.contact-cta-section .section-subtitle a:hover {
  text-decoration: underline;
}
.contact-details {
  margin-top: 50px;
  margin-bottom: 50px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  text-align: right;
}
.contact-item {
  background-color: rgba(255, 255, 255, 0.07);
  padding: 25px;
  border-radius: var(--border-radius-soft);
  display: flex;
  align-items: center;
  transition: background-color 0.3s ease, transform 0.3s ease;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}
.contact-item:hover {
  background-color: rgba(255, 255, 255, 0.12);
  transform: translateY(-3px);
}
.contact-item i.fas {
  font-size: 2rem;
  color: var(--primary-color);
  margin-left: 20px;
  min-width: 35px;
}
.contact-item p {
  margin: 0;
  font-size: 1.05rem;
  color: #ced4da;
}
.contact-item p strong {
  color: #f8f9fa;
  display: block;
  margin-bottom: 6px;
}
.social-media-contact i.fab {
  font-size: 1.6rem;
  color: #ced4da;
  margin-right: 12px;
  transition: color 0.3s ease, transform 0.3s ease;
}
.social-media-contact i.fab:hover {
  color: var(--accent-color);
  transform: scale(1.2);
}

.seo-keywords-footer {
  margin-top: 60px;
  padding-top: 35px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}
.seo-keywords-footer h4 {
  font-size: 1.15rem;
  color: #f8f9fa;
  margin-bottom: 12px;
}
.seo-keywords-footer p {
  font-size: 0.95rem;
  color: #ced4da;
  line-height: 1.7;
}

.page-bottom-credit {
  background-color: #1f2b38;
  color: #a0a9b4;
  text-align: center;
  padding: 30px 0;
  font-size: 0.95rem;
}
.page-bottom-credit p {
  margin: 0;
}

@media (max-width: 992px) {
  .hero-content h1 {
    font-size: 2.7rem;
  }
  .hero-content .subtitle {
    font-size: 1.2rem;
  }
  .section-title {
    font-size: 2.3rem;
  }
  .about-content {
    grid-template-columns: 1fr;
  }
  .about-image {
    order: -1;
    margin-bottom: 40px;
  }
  .testimonial-slide-item {
    padding: 40px 40px;
  }
}

@media (max-width: 768px) {
  body {
    font-size: 15px;
  }
  .hero-content h1 {
    font-size: 2.1rem;
    margin-top: 25px;
  }
  .hero-content .subtitle {
    font-size: 1.05rem;
  }
  .hero-section {
    padding: 70px 0 50px;
    min-height: 80vh;
  }

  section {
    padding: 70px 0;
  }
  .section-title {
    font-size: 2rem;
    padding-bottom: 15px;
  }
  .section-title::after {
    width: 60px;
    height: 4px;
    margin-top: 15px;
  }
  .section-subtitle {
    font-size: 1rem;
    margin-bottom: 40px;
  }
  .subsection-title {
    font-size: 1.7rem;
  }

  .features-grid,
  .courses-grid,
  .special-courses-grid,
  .age-groups-grid,
  .contact-details {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .course-card-content {
    padding: 25px;
  }
  .course-link {
    align-self: stretch;
    text-align: center;
  }

  .testimonial-swiper-container {
    margin-top: 40px; /* کاهش فاصله در موبایل */
  }
  .testimonial-slide-item {
    padding: 35px 30px;
  }
  .testimonial-profile-pic {
    width: 80px;
    height: 80px;
    border-width: 4px;
  }
  .testimonial-slide-item h4 {
    font-size: 1.2rem;
  }
  .testimonial-slide-item p {
    font-size: 1rem;
  }

  .swiper-button-next,
  .swiper-button-prev {
    display: none !important; /* در موبایل فقط swipe */
  }
  .swiper-pagination {
    bottom: 10px !important; /* پجینیشن کمی بالاتر در موبایل */
  }

  .contact-item {
    flex-direction: column;
    align-items: flex-start;
    text-align: right;
  }
  .contact-item i.fas {
    margin-left: 0;
    margin-bottom: 12px;
  }
}