:root {
  --yellow: #FFF700;
  --yellow-hover: #c8c200;
  --black: #000000;
  --white: #ffffff;
  --dark-gradient: linear-gradient(0.259turn, rgba(18,21,25,1) 0%, rgba(39,34,30,1) 100%);
  --card-gradient: linear-gradient(0.459turn, rgba(18,21,25,1) 0%, rgba(63,56,50,1) 100%);
  --course-card-gradient: linear-gradient(0.5turn, rgba(27,27,27,1) 0%, rgba(41,30,22,1) 94%, rgba(255,213,0,1) 97%, rgba(255,169,52,1) 100%);
  --gray-text: #565656;
  --gray-dark: #1d1d1d;
  --gray-mid: #212121;
  --gray-light: #474747;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Jost', Arial, sans-serif;
  background: var(--white);
  color: var(--black);
  line-height: 1.55;
  overflow-x: hidden;
}

::selection {
  background: var(--yellow);
  color: var(--black);
}

::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #f0f0f0;
}
::-webkit-scrollbar-thumb {
  background: var(--yellow);
  border-radius: 4px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* === NAVBAR === */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--yellow);
  padding: 0;
  height: 70px;
  display: flex;
  align-items: center;
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.navbar-logo {
  display: flex;
  align-items: center;
}

.navbar-logo img {
  max-width: 180px;
  height: auto;
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: 35px;
  list-style: none;
}

.navbar-menu a {
  font-size: 18px;
  color: var(--black);
  text-decoration: none;
  font-weight: 400;
  transition: color 0.2s ease;
}

.navbar-menu a:hover {
  color: var(--gray-light);
}

.navbar-cta {
  background: var(--black);
  color: var(--white);
  padding: 10px 24px;
  border-radius: 5px;
  font-weight: 400;
  font-size: 18px;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  display: inline-block;
  font-family: 'Jost', Arial, sans-serif;
}

.navbar-cta:hover {
  background: var(--white);
  color: var(--black);
}

.mobile-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
}

.mobile-burger span {
  display: block;
  width: 28px;
  height: 3px;
  background: var(--black);
  border-radius: 2px;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  background: var(--yellow);
  z-index: 999;
  flex-direction: column;
  padding: 20px;
  gap: 16px;
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu a {
  font-size: 20px;
  color: var(--black);
  text-decoration: none;
  font-weight: 400;
  padding: 8px 0;
}

.mobile-menu a.cta {
  background: var(--black);
  color: var(--white);
  padding: 12px 20px;
  border-radius: 5px;
  text-align: center;
}

/* === HERO === */
.hero {
  background: var(--dark-gradient);
  min-height: 1160px;
  position: relative;
  padding: 160px 0 40px;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 620px;
}

.hero-announcement {
  font-size: 24px;
  color: var(--white);
  font-weight: 400;
  line-height: 1.35;
  margin-bottom: 40px;
}

.hero-badge {
  display: inline-block;
  background: var(--yellow);
  color: var(--black);
  padding: 8px 20px;
  border-radius: 5px;
  font-size: 24px;
  font-weight: 400;
  text-transform: uppercase;
  margin-bottom: 30px;
}

.hero-title {
  font-size: 68px;
  font-weight: 400;
  color: var(--white);
  text-transform: uppercase;
  line-height: 1.1;
  margin-bottom: 40px;
  letter-spacing: -1px;
}

.hero-divider {
  width: 300px;
  height: 2px;
  background: var(--yellow);
  margin-bottom: 40px;
}

.hero-subtitle {
  font-size: 24px;
  color: var(--white);
  font-weight: 400;
  line-height: 1.5;
  max-width: 521px;
  margin-bottom: 60px;
}

.hero-features {
  display: flex;
  flex-direction: column;
  gap: 25px;
  margin-bottom: 40px;
}

.hero-feature {
  display: flex;
  align-items: flex-start;
  gap: 25px;
}

.hero-feature-icon {
  flex-shrink: 0;
  width: 33px;
}

.hero-feature-icon img {
  width: 33px;
  height: auto;
}

.hero-feature-text {
  font-size: 20px;
  color: var(--white);
  font-weight: 400;
  line-height: 1.55;
  padding-top: 5px;
}

.hero-remaining {
  font-size: 24px;
  color: var(--white);
  margin-bottom: 40px;
}

.hero-remaining strong {
  font-weight: 600;
}

.hero-form {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: stretch;
}

.hero-form input {
  flex: 1;
  min-width: 200px;
  padding: 0 20px;
  height: 70px;
  background: var(--white);
  border: none;
  border-radius: 5px;
  font-size: 16px;
  color: var(--black);
  font-family: 'Jost', Arial, sans-serif;
}

.hero-form input::placeholder {
  color: #999;
}

.hero-form input:focus {
  outline: 2px solid var(--yellow);
}

.hero-form button {
  width: 360px;
  height: 70px;
  background: var(--yellow);
  color: var(--black);
  border: none;
  border-radius: 5px;
  font-size: 24px;
  font-weight: 400;
  cursor: pointer;
  font-family: 'Jost', Arial, sans-serif;
  transition: background 0.2s ease;
}

.hero-form button:hover {
  background: var(--yellow-hover);
}

.hero-form button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Hero decorative images */
.hero-bg-image {
  position: absolute;
  top: 122px;
  left: calc(50% - 600px + 282px);
  width: 1168px;
  height: 779px;
  z-index: 1;
  pointer-events: none;
}

.hero-bg-gif {
  position: absolute;
  top: 126px;
  left: calc(50% - 600px + 288px);
  width: 1157px;
  height: 771px;
  z-index: 1;
  pointer-events: none;
}

.hero-deco-1 {
  position: absolute;
  top: 573px;
  left: calc(50% - 600px + 993px);
  width: 219px;
  height: 171px;
  z-index: 1;
  pointer-events: none;
}

.hero-deco-2 {
  position: absolute;
  top: 354px;
  left: calc(50% - 600px + 655px);
  width: 49px;
  height: 85px;
  z-index: 1;
  transform: rotate(337deg);
  pointer-events: none;
}

.hero-deco-3 {
  position: absolute;
  top: 185px;
  left: calc(50% - 600px + 1152px);
  width: 99px;
  height: 117px;
  z-index: 1;
  transform: rotate(9deg);
  pointer-events: none;
}

/* === CAREER SECTION === */
.career {
  background: var(--white);
  padding: 100px 0;
}

.career-title {
  font-size: 68px;
  font-weight: 400;
  color: var(--black);
  text-transform: uppercase;
  line-height: 1.1;
  text-align: center;
  max-width: 1025px;
  margin: 0 auto 60px;
}

.career-subtitle {
  font-size: 24px;
  color: var(--black);
  text-align: center;
  margin-bottom: 60px;
}

.career-cards {
  display: flex;
  gap: 40px;
  justify-content: center;
  flex-wrap: wrap;
}

.career-card {
  width: 360px;
  height: 190px;
  background: var(--card-gradient);
  border-radius: 30px 30px 150px 150px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px;
  transition: transform 0.3s ease;
}

.career-card:nth-child(even) {
  border-radius: 150px 150px 30px 30px;
}

.career-card:hover {
  transform: translateY(-4px);
}

.career-card-text {
  font-size: 18px;
  color: var(--white);
  text-transform: uppercase;
  text-align: center;
  font-weight: 400;
  line-height: 1.45;
}

/* === MARQUEE === */
.marquee {
  background: var(--yellow);
  height: 40px;
  overflow: hidden;
  display: flex;
  align-items: center;
  position: relative;
}

.marquee-track {
  display: flex;
  align-items: center;
  gap: 30px;
  white-space: nowrap;
  animation: marquee-scroll 25s linear infinite;
}

.marquee-item {
  font-size: 16px;
  color: var(--black);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 30px;
  text-transform: uppercase;
}

.marquee-dot {
  width: 8px;
  height: 8px;
  background: var(--black);
  border-radius: 50%;
  flex-shrink: 0;
}

@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* === BASE COURSE INTRO === */
.base-intro {
  background: var(--dark-gradient);
  padding: 100px 0;
  text-align: center;
}

.base-intro-title {
  font-size: 68px;
  font-weight: 400;
  color: var(--white);
  text-transform: uppercase;
  line-height: 1.1;
  max-width: 1025px;
  margin: 0 auto 40px;
}

.base-intro-text {
  font-size: 24px;
  color: var(--white);
  line-height: 1.5;
  max-width: 932px;
  margin: 0 auto;
}

/* === COURSE CONTENT === */
.course-content {
  background: var(--white);
  padding: 100px 0;
}

.course-content-title {
  font-size: 68px;
  font-weight: 400;
  color: var(--black);
  text-transform: uppercase;
  line-height: 1.1;
  text-align: center;
  margin-bottom: 60px;
}

.course-card {
  background: var(--course-card-gradient);
  border-radius: 5px;
  padding: 63px 60px 0;
  position: relative;
  overflow: hidden;
}

.course-columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  position: relative;
}

.course-col {
  padding: 0 30px;
}

.course-col + .course-col {
  border-left: 2px solid rgba(255, 247, 0, 0.8);
}

.course-col ul {
  list-style: none;
}

.course-col li {
  font-size: 20px;
  color: var(--white);
  line-height: 1.8;
  font-weight: 400;
}

.course-col li .check {
  color: var(--yellow);
  margin-right: 8px;
}

.course-bottom-row {
  display: flex;
  justify-content: space-between;
  padding: 30px 60px 40px;
  gap: 20px;
}

.course-bottom-row .course-bottom-item {
  font-size: 20px;
  color: var(--white);
}

.course-bottom-row .course-bottom-item .check {
  color: var(--yellow);
  margin-right: 8px;
}

.course-cta-link {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 30px 0;
}

.course-cta-btn {
  display: inline-block;
  background: var(--yellow);
  color: var(--black);
  padding: 8px 24px;
  border-radius: 5px;
  font-size: 24px;
  font-weight: 400;
  text-transform: uppercase;
  text-decoration: none;
  transition: background 0.2s ease;
}

.course-cta-btn:hover {
  background: var(--yellow-hover);
}

.course-submit-btn {
  display: block;
  width: 100%;
  background: var(--yellow);
  color: var(--black);
  border: none;
  border-radius: 0 0 5px 5px;
  font-size: 36px;
  font-weight: 400;
  text-transform: uppercase;
  padding: 30px 0;
  cursor: pointer;
  font-family: 'Jost', Arial, sans-serif;
  transition: background 0.2s ease;
  text-decoration: none;
  text-align: center;
}

.course-submit-btn:hover {
  background: var(--yellow-hover);
}

/* === INVESTORS === */
.investors {
  background: var(--dark-gradient);
  padding: 100px 0;
}

.investors-title {
  font-size: 68px;
  font-weight: 400;
  color: var(--white);
  text-transform: uppercase;
  line-height: 1.1;
  text-align: center;
  margin-bottom: 40px;
}

.investors-subtitle {
  font-size: 24px;
  color: var(--white);
  text-align: center;
  max-width: 932px;
  margin: 0 auto 60px;
  line-height: 1.5;
}

.investors-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 32px;
  margin-bottom: 60px;
}

.investor-card {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.investor-photo {
  width: 150px;
  height: 150px;
  border-radius: 100px 100px 0 0;
  background: var(--card-gradient);
  background-size: cover;
  background-position: center top;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  overflow: hidden;
}

.investor-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.investor-nameplate {
  width: 150px;
  height: 80px;
  background: var(--card-gradient);
  border-radius: 0 0 30px 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
}

.investor-name {
  font-size: 18px;
  color: var(--white);
  text-transform: uppercase;
  text-align: center;
  font-weight: 400;
  line-height: 1.2;
}

/* === WHO WE ARE === */
.who-we-are {
  background: var(--white);
  padding: 64px 0 40px;
  position: relative;
}

.who-title {
  font-size: 68px;
  font-weight: 400;
  color: var(--gray-dark);
  text-transform: uppercase;
  text-align: center;
  line-height: 1.1;
  margin-bottom: 80px;
}

.who-content {
  display: flex;
  align-items: flex-start;
  gap: 60px;
  margin-bottom: 60px;
}

.who-logo {
  flex-shrink: 0;
  width: 300px;
}

.who-logo img {
  width: 100%;
  height: auto;
}

.who-description {
  font-size: 28px;
  color: var(--black);
  font-weight: 400;
  line-height: 1.3;
  max-width: 560px;
  padding-top: 30px;
}

.who-stats {
  display: flex;
  gap: 100px;
  justify-content: flex-start;
  padding: 0 0px;
  margin-bottom: 40px;
}

.stat-card {
  width: 360px;
  height: 160px;
  background: var(--white);
  border-radius: 5px;
  box-shadow: 0 0 70px 0 rgba(214, 214, 214, 0.4);
  padding: 36px 30px;
}

.stat-value {
  font-size: 40px;
  color: var(--gray-text);
  font-weight: 600;
  line-height: 1;
  margin-bottom: 20px;
}

.stat-label {
  font-size: 18px;
  color: var(--black);
  font-weight: 400;
}

.who-legal {
  font-size: 12px;
  color: var(--gray-mid);
  line-height: 1.6;
  text-align: center;
  max-width: 1164px;
  margin: 0 auto;
  padding: 0 10px;
}

.who-legal a {
  color: var(--black);
  text-decoration: underline;
}

/* Scroll to top */
.scroll-top-btn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--black);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  animation: bounce 2s ease-in-out infinite;
}

.scroll-top-btn.visible {
  opacity: 1;
  pointer-events: auto;
}

.scroll-top-btn img {
  width: 30px;
  height: 30px;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* === POPUP FORM === */
.popup-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
}

.popup-overlay.open {
  display: flex;
}

.popup-card {
  width: 700px;
  max-width: 90vw;
  background: var(--yellow);
  border-radius: 20px;
  box-shadow: 0 0 50px 0 rgba(195, 245, 60, 0.3);
  padding: 40px;
  position: relative;
}

.popup-close {
  position: absolute;
  top: 15px;
  right: 15px;
  width: 29px;
  height: 29px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
}

.popup-close img {
  width: 29px;
  height: 29px;
}

.popup-title {
  font-size: 40px;
  color: var(--black);
  text-align: center;
  text-transform: uppercase;
  font-weight: 400;
  margin-bottom: 30px;
}

.popup-form {
  max-width: 500px;
  margin: 0 auto;
}

.popup-form input {
  width: 100%;
  height: 60px;
  background: var(--white);
  border: none;
  border-radius: 5px;
  font-size: 16px;
  color: var(--black);
  padding: 0 20px;
  margin-bottom: 20px;
  font-family: 'Jost', Arial, sans-serif;
}

.popup-form input::placeholder {
  color: #999;
}

.popup-form input:focus {
  outline: 2px solid var(--yellow-hover);
}

.popup-form button {
  width: 100%;
  max-width: 400px;
  height: 60px;
  background: var(--black);
  color: var(--white);
  border: none;
  border-radius: 5px;
  font-size: 18px;
  font-weight: 400;
  cursor: pointer;
  font-family: 'Jost', Arial, sans-serif;
  display: block;
  margin: 0 auto;
  transition: all 0.2s ease;
}

.popup-form button:hover:not(:disabled) {
  background: var(--white);
  color: var(--black);
}

.popup-form button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.popup-success {
  text-align: center;
  padding: 30px 0;
}

.popup-success-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.popup-success-title {
  font-size: 28px;
  font-weight: 600;
  color: var(--black);
  margin-bottom: 8px;
}

.popup-success-text {
  font-size: 16px;
  color: var(--black);
}

.popup-error {
  background: rgba(0,0,0,0.1);
  color: var(--black);
  padding: 12px 16px;
  border-radius: 5px;
  font-size: 14px;
  margin-bottom: 16px;
  text-align: center;
}

/* === RESPONSIVE === */
@media (max-width: 1199px) {
  .navbar-menu { display: none; }
  .mobile-burger { display: flex; }
  .hero { min-height: auto; padding: 140px 0 40px; }
  .hero-bg-image, .hero-bg-gif { display: none; }
  .hero-deco-1, .hero-deco-2, .hero-deco-3 { display: none; }
  .hero-title { font-size: 48px; }
  .career-title, .base-intro-title, .course-content-title, .investors-title, .who-title { font-size: 48px; }
  .investors-grid { grid-template-columns: repeat(3, 1fr); }
  .who-content { flex-direction: column; }
  .who-stats { flex-wrap: wrap; gap: 40px; }
}

@media (max-width: 959px) {
  .hero-title { font-size: 40px; }
  .career-title, .base-intro-title, .course-content-title, .investors-title, .who-title { font-size: 36px; }
  .career-cards { flex-direction: column; align-items: center; }
  .investors-grid { grid-template-columns: repeat(3, 1fr); }
  .course-columns { grid-template-columns: 1fr; }
  .course-col + .course-col { border-left: none; border-top: 2px solid rgba(255, 247, 0, 0.8); }
  .course-bottom-row { flex-direction: column; }
  .who-stats { flex-direction: column; align-items: center; }
  .hero-form { flex-direction: column; }
  .hero-form button { width: 100%; }
}

@media (max-width: 639px) {
  .hero-title { font-size: 32px; }
  .hero-announcement, .hero-subtitle, .hero-remaining { font-size: 18px; }
  .hero-badge { font-size: 18px; }
  .career-title, .base-intro-title, .course-content-title, .investors-title, .who-title { font-size: 28px; }
  .base-intro-text, .investors-subtitle { font-size: 18px; }
  .investors-grid { grid-template-columns: repeat(2, 1fr); }
  .who-description { font-size: 20px; }
  .stat-card { width: 100%; }
  .course-submit-btn { font-size: 24px; padding: 20px 0; }
  .course-card { padding: 30px 20px 0; }
  .course-col { padding: 0 10px; }
  .course-bottom-row { padding: 20px 10px; }
  .popup-card { padding: 30px 20px; }
  .popup-title { font-size: 28px; }
}

@media (max-width: 479px) {
  .container { padding: 0 16px; }
  .hero-title { font-size: 28px; }
  .hero-announcement { font-size: 16px; }
  .navbar-logo img { max-width: 130px; }
  .investors-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .investor-photo, .investor-nameplate { width: 130px; }
  .investor-photo { height: 130px; }
  .career-card { width: 100%; }
}