:root {
  --primary: #0f172a;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --surface: #ffffff;
  --surface-soft: #f8fafc;
  --text: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.12);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  text-decoration: none;
  list-style: none;
}

html {
  font-size: 62.5%;
  scroll-behavior: smooth;
}

body {
  font-family:
    "DM Sans",
    -apple-system,
    BlinkMacSystemFont,
    sans-serif;
  background: var(--surface);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

::selection {
  background: var(--accent);
  color: white;
}

/* ===== HEADER ===== */
.nav_div {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.6rem 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition:
    padding 0.3s ease,
    box-shadow 0.3s ease,
    background 0.3s ease;
}

.nav_div.scrolled {
  padding: 1rem 5%;
  box-shadow: var(--shadow-sm);
}

.label_text {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-weight: 700;
  font-size: 1.8rem;
  color: var(--primary);
  cursor: pointer;
}

.label_text svg {
  transition: var(--transition);
}

.label_text:hover svg {
  transform: rotate(-5deg) scale(1.05);
}

.nav_bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 2rem;
}

.header_list {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.header_list a {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 1.5rem;
  transition: var(--transition);
  position: relative;
  white-space: nowrap;
}

.header_list a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: var(--transition);
}

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

.header_list a:hover::after {
  width: 100%;
}

.find_btn {
  background: var(--primary);
  color: white !important;
  padding: 1.2rem 2rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1.4rem;
  border: none;
  transition: var(--transition);
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.3);
  white-space: nowrap;
}

.find_btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(15, 23, 42, 0.4);
}

.find_btn::after {
  display: none;
}

/* Mobile Menu Button */
.mobile_btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.mobile_btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--primary);
  margin: 5px 0;
  transition: all 0.3s ease;
  border-radius: 2px;
}

.mobile_btn:hover span {
  background: var(--accent);
}

.mobile_btn.active {
  position: relative;
}

.mobile_btn.active span:nth-child(1) {
  transform: rotate(45deg) translateY(7px);
}

.mobile_btn.active span:nth-child(2) {
  opacity: 0;
}

.mobile_btn.active span:nth-child(3) {
  transform: rotate(-45deg) translateY(-7px);
}

/* ===== HERO SECTION ===== */
.container {
  margin: 14rem 5% 8rem;
  max-width: 140rem;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 6rem;
  align-items: center;
}

.header__div {
  animation: slideUp 0.8s ease-out;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.header {
  font-size: clamp(3.5rem, 5vw, 5.5rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--primary);
  margin-bottom: 2rem;
  letter-spacing: -0.02em;
}

.header span {
  color: var(--accent);
  position: relative;
}

.header_text {
  font-size: 1.7rem;
  color: var(--text-muted);
  margin-bottom: 3rem;
  max-width: 55rem;
  line-height: 1.7;
}

.header-buttons {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.header-link {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  background: var(--accent);
  color: white;
  padding: 1.4rem 2.6rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1.5rem;
  transition: var(--transition);
  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.35);
}

.header-link:hover {
  background: var(--accent-hover);
  transform: translateY(-3px);
  box-shadow: 0 15px 35px rgba(59, 130, 246, 0.45);
}

.header-links {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  color: var(--primary);
  border: 2px solid var(--border);
  padding: 1.3rem 2rem;
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: 1.4rem;
  transition: var(--transition);
  background: white;
}

.header-links:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(59, 130, 246, 0.04);
}

.ideas {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
}

.header_p {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--text-muted);
}

.header_p svg {
  width: 3.2rem;
  height: 3.2rem;
  flex-shrink: 0;
}

/* Testimonial Card */
.testimonial {
  display: flex;
  justify-content: flex-end;
  animation: slideUp 0.8s ease-out 0.2s both;
}

.testimonials {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-lg);
  max-width: 48rem;
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.testimonials::before {
  content: '"';
  position: absolute;
  top: -20px;
  left: 20px;
  font-size: 12rem;
  font-family: Georgia, serif;
  color: var(--accent);
  opacity: 0.1;
  line-height: 1;
}

.testimonial_p {
  font-size: 1.6rem;
  color: var(--text);
  line-height: 1.8;
  font-style: italic;
  margin-bottom: 2rem;
}

.testimonia_name {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.testimonia_name img {
  width: 5rem;
  height: 5rem;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--accent);
}

.testimonia_name strong {
  font-size: 1.5rem;
  color: var(--primary);
}

.testimonia_name .student {
  font-size: 1.3rem;
  color: var(--text-muted);
}

/* ===== SECTION IMAGE ===== */
.section_img {
  margin: 0 5%;
  max-width: 90%;
}

.watching_img {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
}

.watching_img:hover {
  transform: scale(1.01);
}

/* ===== SECTION STATS ===== */
.section-3 {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 4rem;
  margin: 10rem 5%;
  padding: 5rem 6rem;
  border-radius: var(--radius-xl);
  color: white;
}

.works h3 {
  font-size: 4.5rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}

.works p {
  font-size: 1.8rem;
  opacity: 0.9;
  margin-top: 0.5rem;
}

.image-frame {
  height: 4rem;
  width: 96%;
  opacity: 0.8;
}

/* ===== SERVICES SECTION ===== */
.section_three {
  margin: 10rem 5%;
}

.header_three {
  text-align: center;
  margin-bottom: 5rem;
}

.subheading {
  display: inline-block;
  font-size: 1.4rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  background: rgba(59, 130, 246, 0.1);
  padding: 0.8rem 1.8rem;
  border-radius: 50px;
  margin-bottom: 1.5rem;
}

.header_three h2 {
  font-size: clamp(2.5rem, 4vw, 4rem);
  font-weight: 800;
  color: var(--primary);
  max-width: 70rem;
  margin: 0 auto;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.sec_div {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.user-container {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 3.5rem 3rem;
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.user-container::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--accent);
  transform: scaleX(0);
  transition: var(--transition);
}

.user-container:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.user-container:hover::before {
  transform: scaleX(1);
}

.user-container:first-child {
  background: linear-gradient(135deg, var(--primary) 0%, #1e3a5f 100%);
  color: white;
  border: none;
}

.user-container:first-child:hover {
  transform: translateY(-8px);
  box-shadow: 0 25px 50px rgba(15, 23, 42, 0.4);
}

.svg_container {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.user_svg {
  width: 6rem;
  height: 6rem;
  background: var(--surface-soft);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.user-container:first-child .user_svg {
  background: rgba(255, 255, 255, 0.15);
}

.svg_img {
  width: 3rem;
  height: 3rem;
}

.user-header {
  font-size: 2rem;
  font-weight: 700;
}

.user_p {
  font-size: 1.5rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.user-container:first-child .user_p {
  color: rgba(255, 255, 255, 0.75);
}

.learn-link {
  margin-top: auto;
}

.user_link {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  font-weight: 600;
  font-size: 1.4rem;
  color: var(--accent);
  transition: var(--transition);
}

.user_link:hover {
  gap: 1.2rem;
}

.service_link {
  color: var(--text-muted);
}

.user-container:first-child .user_link {
  color: white;
}

/* ===== STUDY SECTION ===== */
.section_four {
  margin: 10rem 5%;
}

.study_container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.study_text {
  padding: 2rem;
}

.study_text h2 {
  font-size: clamp(2.2rem, 3vw, 3rem);
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 1.5rem;
  line-height: 1.3;
}

.study_text p {
  font-size: 1.6rem;
  color: var(--text-muted);
  line-height: 1.8;
}

.study_img {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
}

.study_img:hover {
  transform: scale(1.02);
}

.study_link {
  display: inline-block;
  background: var(--primary);
  color: white;
  padding: 1.4rem 2.8rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1.5rem;
  transition: var(--transition);
  margin-top: 2rem;
}

.study_link:hover {
  background: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(59, 130, 246, 0.35);
}

.study_div {
  padding-left: 3rem;
}

/* ===== COURSES SECTION ===== */
.section_5 {
  margin: 10rem 5%;
}

.programs {
  text-align: center;
  margin-bottom: 4rem;
}

.programs span {
  display: inline-block;
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.programs h2 {
  font-size: clamp(2.5rem, 4vw, 3.8rem);
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 1rem;
}

.programs p {
  font-size: 1.6rem;
  color: var(--text-muted);
  max-width: 50rem;
  margin: 0 auto;
}

.course_carts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.course_div {
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.course_div:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.course_img {
  width: 100%;
  height: 22rem;
  object-fit: cover;
  transition: var(--transition);
}

.course_div:hover .course_img {
  transform: scale(1.05);
}

.price-p {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem 2rem 0;
}

.price-p span {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--accent);
  background: rgba(59, 130, 246, 0.1);
  padding: 0.5rem 1.2rem;
  border-radius: 50px;
}

.course_svg {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.2rem;
  color: var(--text-muted);
  background: var(--surface-soft);
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
}

.pricing_header {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
  padding: 1.5rem 2rem 0.5rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.pricing_header svg {
  flex-shrink: 0;
  opacity: 0.3;
  transition: var(--transition);
}

.course_div:hover .pricing_header svg {
  opacity: 1;
  color: var(--accent);
}

.pricing_text {
  font-size: 1.4rem;
  color: var(--text-muted);
  padding: 0 2rem;
  line-height: 1.6;
}

.pricing-name {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 2rem;
  border-top: 1px solid var(--border);
  margin-top: 1.5rem;
}

.img_avatar {
  width: 4.5rem;
  height: 4.5rem;
  border-radius: 50%;
  object-fit: cover;
}

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

.pricing > div:first-child strong {
  font-size: 1.4rem;
  color: var(--primary);
}

.pricing > div:first-child p {
  font-size: 1.2rem;
  color: var(--text-muted);
}

.price_tag {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
}

/* ===== TUTORS SECTION ===== */
.hero_section {
  margin: 10rem 5%;
}

.hero_study {
  font-size: 1.6rem;
  color: var(--text-muted);
  max-width: 60rem;
  margin: 1.5rem auto 4rem;
  line-height: 1.7;
}

.hero_img {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2.5rem;
}

.img_container {
  text-align: center;
  transition: var(--transition);
}

.img_container:hover {
  transform: translateY(-10px);
}

.hero_image {
  width: 100%;
  height: auto;
  object-fit: contain;
  aspect-ratio: 3 / 4;
  object-position: center;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.hero-image {
  border: 3px solid var(--primary);
}

.img_container:hover .hero_image {
  box-shadow: var(--shadow-lg);
}

.img_container h3 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--primary);
  margin-top: 1.5rem;
}

.img_container p {
  font-size: 1.3rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

/* ===== TESTIMONIAL SECTION ===== */
.section_7 {
  margin: 10rem 5%;
  background: var(--surface-soft);
  padding: 8rem 5%;
  border-radius: var(--radius-xl);
  text-align: center;
}

.section_testimonial h2 {
  font-size: clamp(2rem, 3vw, 3rem);
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 2rem;
  max-width: 60rem;
  margin-left: auto;
  margin-right: auto;
}

.hero_text {
  font-size: 1.7rem;
  color: var(--text-muted);
  max-width: 70rem;
  margin: 0 auto 3rem;
  line-height: 1.8;
}

.testimonial_name {
  display: inline-flex;
  align-items: center;
  gap: 1.2rem;
  background: white;
  padding: 1.5rem 2.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.img_testimonial {
  width: 5rem;
  height: 5rem;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--accent);
}

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

.testimonial_name p {
  font-size: 1.3rem;
  color: var(--text-muted);
}

/* ===== FAQ SECTION ===== */
.FAQ_container {
  margin: 8rem 5%;
}

.header_three h2 {
  text-align: center;
  font-size: clamp(2rem, 3vw, 3rem);
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 3rem;
}

.FAQ_text {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.FAQ_text li {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 2rem 2.5rem;
  border-radius: var(--radius-md);
  font-size: 1.6rem;
  font-weight: 500;
  color: var(--primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: var(--transition);
}

.FAQ_text li:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
}

.FAQ_text li .material-symbols-outlined {
  color: var(--text-muted);
  font-size: 2rem;
  transition: var(--transition);
}

.FAQ_text li:hover .material-symbols-outlined {
  color: var(--accent);
  transform: rotate(180deg);
}

/* ===== CTA SECTION ===== */
.section_9 {
  margin: 8rem 5%;
}

.join_div {
  text-align: center;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--accent) 0%, #1d4ed8 100%);
  padding: 8rem 5%;
  position: relative;
  overflow: hidden;
}

.join_div::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.1) 0%,
    transparent 60%
  );
  animation: pulse 15s infinite;
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
}

.join_div h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 800;
  color: white;
  max-width: 70rem;
  margin: 0 auto 3rem;
  position: relative;
  line-height: 1.3;
}

.join_link {
  display: inline-block;
  background: white;
  color: var(--primary);
  padding: 1.6rem 3.5rem;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 1.6rem;
  transition: var(--transition);
  position: relative;
}

.join_link:hover {
  transform: translateY(-4px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--primary);
  color: white;
  padding: 6rem 5% 3rem;
}

.footer_container {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer_div {
  padding-right: 2rem;
}

.footer-heading {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-weight: 700;
  font-size: 2rem;
  margin-bottom: 1.5rem;
  color: white;
}

.footer_div li {
  font-size: 1.5rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 2;
}

.footer_heading {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.footer_list li {
  font-size: 1.4rem;
  color: rgba(255, 255, 255, 0.7);
  padding-bottom: 1rem;
  transition: var(--transition);
  cursor: pointer;
}

.footer_list li:hover {
  color: var(--accent);
  padding-left: 0.5rem;
}

.footer_nav {
  display: flex;
  flex-direction: column;
}

.copyright_container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 3rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.copyright_container p {
  font-size: 1.4rem;
  color: rgba(255, 255, 255, 0.5);
}

.footer_links {
  display: flex;
  gap: 1.5rem;
}

.footer_links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 4.4rem;
  height: 4.4rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  transition: var(--transition);
}

.footer_links a:hover {
  background: var(--accent);
  transform: translateY(-3px);
}

.footer_links svg {
  transition: var(--transition);
}

.footer_links a:hover svg {
  fill: white;
}