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

:root {
  --primary: #0088a8;
  --primary-dark: #006880;
  --primary-light: #00b4d8;
  --accent: #f2a93b;
  --light-bg: #f7fbfd;
  --text-dark: #1a1a2e;
  --text-light: #555577;
  --display-font: "Playfair Display", serif;
  --body-font: "Roboto", sans-serif;
  --nav-height: 68px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--body-font);
  background-color: #ffffff;
  color: var(--text-dark);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(
      circle at top right,
      rgba(0, 136, 168, 0.08),
      transparent 40%
    ),
    radial-gradient(
      circle at bottom left,
      rgba(0, 180, 216, 0.06),
      transparent 40%
    );
  z-index: -1;
}

@media (prefers-reduced-motion: reduce) {
  *,
  ::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

.top-links {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  padding: 0 60px;
  height: var(--nav-height);
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
  transition:
    box-shadow 0.3s ease,
    background 0.3s ease;
}

.top-links.scrolled {
  box-shadow: 0 4px 24px rgba(0, 136, 168, 0.13);
  background: rgba(255, 255, 255, 0.98);
}

.logo-brand-wrapper {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.top-logo {
  height: 40px;
  transition: transform 0.4s var(--ease-bounce);
  filter: drop-shadow(0 2px 6px rgba(0, 136, 168, 0.18));
}

.logo-brand-wrapper:hover .top-logo {
  transform: rotate(-8deg) scale(1.1);
}

.brand-name-wrapper .career {
  color: #111;
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.4px;
}

.brand-name-wrapper .guide {
  color: var(--primary);
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.4px;
}

.logo-brand-wrapper {
  text-decoration: none;
}

.top-links ul {
  list-style: none;
  display: flex;
  gap: 4px;
  align-items: center;
  margin-left: auto;
  margin-right: 50px;
}

.top-links ul li a {
  text-decoration: none;
  color: var(--text-dark);
  font-size: 15px;
  font-weight: 500;
  padding: 7px 14px;
  border-radius: 8px;
  transition: all 0.25s ease;
  position: relative;
}

.top-links ul li a::after {
  content: "";
  position: absolute;
  bottom: 1px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 55%;
  height: 2px;
  background: var(--primary);
  border-radius: 99px;
  transition: transform 0.25s ease;
}

.top-links ul li a:hover {
  color: var(--primary);
  background: rgba(0, 136, 168, 0.07);
}

.top-links ul li a:hover::after {
  transform: translateX(-50%) scaleX(1);
}

.top-links ul li a.active::after {
  display: none;
}

.top-links ul li a.nav-btn {
  border: 1.5px solid var(--primary);
  color: var(--primary);
  font-weight: 600;
}

.top-links ul li a.nav-btn:hover {
  background: var(--primary);
  color: #fff;
}

.top-links ul li a.active {
  background: var(--primary);
  color: #fff;
}

.top-links ul li a.active::after {
  display: none;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.profile-menu {
  position: relative;
}

.avatar-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  font-family: var(--body-font);
  border-radius: 50%;
}

.avatar-btn:focus-visible,
.hamburger:focus-visible,
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}

.avatar-circle {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0088a8, #00b4d8);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
  font-family: var(--body-font);
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: 240px;
  background: #ffffff;
  border: 1px solid rgba(0, 136, 168, 0.15);
  border-radius: 14px;
  box-shadow:
    0 8px 32px rgba(0, 136, 168, 0.14),
    0 2px 8px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  opacity: 0;
  transform: translateY(-10px) scale(0.97);
  transform-origin: top right;
  transition:
    opacity 0.22s ease,
    transform 0.22s cubic-bezier(0.34, 1.56, 0.64, 1);
  pointer-events: none;
  z-index: 500;
}

.dropdown-menu.open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: all;
}

.dropdown-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  border-bottom: 1px solid rgba(0, 136, 168, 0.1);
  background: rgba(0, 136, 168, 0.03);
}

.dropdown-avatar-lg {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0088a8, #00b4d8);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
  font-family: var(--body-font);
}

.dropdown-fullname {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-dark);
  margin: 0 0 2px;
}

.dropdown-email {
  font-size: 12px;
  color: #888;
  margin: 0;
}

.dropdown-body {
  padding: 6px 0;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-dark);
  text-decoration: none;
  transition:
    background 0.15s ease,
    color 0.15s ease;
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  font-family: var(--body-font);
}

.dropdown-item i {
  font-size: 15px;
  color: #888;
  width: 18px;
  text-align: center;
  transition: color 0.15s ease;
  flex-shrink: 0;
}

.dropdown-item:hover {
  background: rgba(0, 136, 168, 0.07);
  color: var(--primary);
}

.dropdown-item:hover i {
  color: var(--primary);
}

.dropdown-divider {
  height: 1px;
  background: rgba(0, 136, 168, 0.1);
  margin: 5px 0;
}

.dropdown-item--danger {
  color: #c0392b;
}

.dropdown-item--danger i {
  color: #c0392b;
}

.dropdown-item--danger:hover {
  background: rgba(192, 57, 43, 0.07);
  color: #c0392b;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  border-radius: 8px;
  transition: background 0.2s;
  background: none;
  border: none;
}

.hamburger:hover {
  background: rgba(0, 136, 168, 0.08);
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: all 0.35s var(--ease-smooth);
}

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

.hamburger.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

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

.mobile-nav {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  padding: 20px 30px;
  z-index: 999;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 8px 30px rgba(0, 136, 168, 0.1);
  flex-direction: column;
  gap: 8px;
  transform: translateY(-16px);
  opacity: 0;
  transition: all 0.3s var(--ease-smooth);
}

.mobile-nav.open {
  display: flex;
  transform: translateY(0);
  opacity: 1;
}

.mobile-nav a {
  text-decoration: none;
  color: var(--text-dark);
  font-size: 16px;
  font-weight: 500;
  padding: 12px 16px;
  border-radius: 10px;
  transition: all 0.2s;
}

.mobile-nav a:hover,
.mobile-nav a.active {
  background: var(--primary);
  color: #ffffff;
}

.ring-mark {
  display: inline-block;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.tag-line {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.about {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 140px 20px 80px;
}

.about-container {
  display: flex;
  align-items: center;
  gap: 70px;
  max-width: 1100px;
  width: 100%;
}

.about-image {
  position: relative;
  flex-shrink: 0;
}

.about-image img {
  position: relative;
  z-index: 1;
  width: 320px;
  height: 320px;
  object-fit: cover;
  border-radius: 50%;
  border: 5px solid var(--primary);
  box-shadow: 0 15px 40px rgba(0, 136, 168, 0.2);
  transition: 0.4s ease;
}

.about-image:hover img {
  transform: scale(1.03);
}

.about-text h1 {
  font-family: var(--display-font);
  font-size: 62px;
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 6px;
}

.about-text h2 {
  font-family: var(--display-font);
  font-size: 50px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 24px;
}

.about-text p {
  font-size: 17px;
  line-height: 1.8;
  color: var(--text-light);
  max-width: 500px;
}

.about-text p strong {
  color: var(--primary);
}

.about-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 30px;
  background: var(--primary);
  color: #ffffff;
  text-decoration: none;
  padding: 14px 28px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  transition: 0.3s ease;
  box-shadow: 0 8px 22px rgba(0, 136, 168, 0.25);
}

.about-cta svg {
  transition: transform 0.25s ease;
}

.about-cta:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
}

.about-cta:hover svg {
  transform: translateX(3px);
}

.stats-section {
  background: var(--light-bg);
  padding: 55px 60px;
  border-top: 1px solid rgba(0, 136, 168, 0.1);
  border-bottom: 1px solid rgba(0, 136, 168, 0.1);
}

.stats-container {
  max-width: 1050px;
  margin: auto;
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 30px;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-family: var(--display-font);
  font-size: 48px;
  font-weight: 800;
  color: var(--primary);
}

.stat-label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-light);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.stat-divider {
  width: 1px;
  background: rgba(0, 136, 168, 0.15);
}

.mission-section {
  padding: 90px 60px;
  max-width: 1100px;
  margin: auto;
}

.section-label {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--display-font);
  text-align: center;
  font-size: 40px;
  font-weight: 800;
  margin-bottom: 16px;
}

.section-subtitle {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 50px;
  color: var(--text-light);
  font-size: 15px;
  line-height: 1.75;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.value-card {
  background: var(--light-bg);
  padding: 32px 26px;
  border-radius: 18px;
  border: 1px solid rgba(0, 136, 168, 0.1);
  transition: 0.35s ease;
}

.value-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 10px 30px rgba(0, 136, 168, 0.12);
  border-color: rgba(0, 136, 168, 0.25);
}

.value-icon {
  width: 52px;
  height: 52px;
  background: rgba(0, 136, 168, 0.1);
  border: 1px dashed rgba(0, 136, 168, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  font-size: 24px;
  margin-bottom: 20px;
  transition: 0.35s ease;
}

.value-card:hover .value-icon {
  background: var(--primary);
  border-style: solid;
  transform: rotate(-6deg);
}

.value-card h3 {
  font-family: var(--display-font);
  margin-bottom: 10px;
  font-size: 19px;
  font-weight: 700;
}

.value-card p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-light);
}

.timeline-section {
  padding: 90px 60px;
  max-width: 1100px;
  margin: auto;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.timeline-item {
  position: relative;
  padding-top: 16px;
}

.timeline-marker {
  width: 48px;
  height: 48px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--display-font);
  font-weight: 700;
  font-size: 17px;
  box-shadow: 0 8px 20px rgba(0, 136, 168, 0.25);
}

.timeline-item h3 {
  font-family: var(--display-font);
  text-align: center;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.timeline-item p {
  text-align: center;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-light);
  padding: 0 6px;
}

@keyframes floatBadge {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}

@media (max-width: 900px) {
  .timeline {
    grid-template-columns: 1fr 1fr;
    row-gap: 40px;
  }

  .timeline-item::before {
    display: none;
  }
}

@media (max-width: 560px) {
  .timeline {
    grid-template-columns: 1fr;
  }
}

.team-section {
  padding: 95px 60px;
  background: var(--light-bg);
}

.team-grid {
  max-width: 1050px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 25px;
}

.team-card {
  background: #ffffff;
  padding: 36px 22px;
  border-radius: 20px;
  text-align: center;
  border: 1px solid rgba(0, 136, 168, 0.1);
  transition: 0.35s ease;
  box-shadow: 0 5px 18px rgba(0, 0, 0, 0.04);
}

.team-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 30px rgba(0, 136, 168, 0.14);
  border-color: rgba(0, 136, 168, 0.3);
}

.team-avatar-wrap {
  position: relative;
  width: 88px;
  height: 88px;
  margin: 0 auto 20px;
}

.team-card:hover .team-avatar-wrap::before {
  border-color: var(--accent);
  transform: rotate(35deg);
}

.team-avatar {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-family: var(--display-font);
  font-size: 28px;
  font-weight: 700;
  box-shadow: 0 8px 20px rgba(0, 136, 168, 0.2);
  transition: 0.35s ease;
}

.team-card:hover .team-avatar {
  transform: scale(1.06);
}

.team-name {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.team-role {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 30px;
  background: rgba(0, 136, 168, 0.08);
  color: var(--primary);
  font-size: 12.5px;
  font-weight: 600;
  margin-bottom: 12px;
}

.team-contribution {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-light);
}

.team-socials {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(0, 136, 168, 0.1);
}

.team-socials a {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  background: rgba(0, 136, 168, 0.06);
  transition: 0.25s ease;
}

.team-socials a:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

.academic-strip {
  max-width: 1050px;
  margin: 46px auto 0;
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid rgba(0, 136, 168, 0.15);
  color: var(--text-light);
  font-size: 14px;
  line-height: 1.9;
}

.academic-strip strong {
  color: var(--text-dark);
}

@media (max-width: 900px) {
  .team-grid {
    grid-template-columns: 1fr 1fr;
  }

  .team-section {
    padding: 70px 25px;
  }
}

@media (max-width: 560px) {
  .team-grid {
    grid-template-columns: 1fr;
  }
}

.stack-section {
  padding: 80px 60px 20px;
  max-width: 1100px;
  margin: auto;
}

.stack-grid {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
}

.stack-chip {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 10px 20px;
  border-radius: 30px;
  border: 1px solid rgba(0, 136, 168, 0.2);
  background: var(--light-bg);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dark);
  transition: 0.25s ease;
}

.stack-chip i {
  color: var(--primary);
  font-size: 16px;
}

.stack-chip:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-3px);
}

.stack-chip:hover i {
  color: #fff;
}

.faq-section {
  padding: 70px 60px 90px;
  max-width: 800px;
  margin: auto;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  border: 1px solid rgba(0, 136, 168, 0.15);
  border-radius: 14px;
  overflow: hidden;
  background: #ffffff;
  transition: border-color 0.25s ease;
}

.faq-item.open {
  border-color: rgba(0, 136, 168, 0.35);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  padding: 18px 22px;
  font-family: var(--body-font);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-dark);
}

.faq-chevron {
  flex-shrink: 0;
  color: var(--primary);
  transition: transform 0.25s ease;
}

.faq-item.open .faq-chevron {
  transform: rotate(180deg);
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.3s ease;
}

.faq-item.open .faq-answer {
  grid-template-rows: 1fr;
}

.faq-answer p {
  overflow: hidden;
  padding: 0 22px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-light);
}

.faq-item.open .faq-answer p {
  padding: 0 22px 20px;
}

.faq-answer > * {
  min-height: 0;
}

.faq-answer {
  overflow: hidden;
}

.footer {
  background: var(--text-dark);
  color: rgba(255, 255, 255, 0.7);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  padding: 60px 10%;
  flex-wrap: wrap;
}

.footer-brand .career {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.4px;
}

.footer-brand .guide {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary-light);
  letter-spacing: -0.4px;
}

.footer-brand p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.45);
  line-height: 1.7;
  max-width: 240px;
  margin-top: 10px;
}

.footer-links {
  display: flex;
  gap: 50px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col h4 {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 4px;
}

.footer-col a {
  text-decoration: none;
  font-size: 14.5px;
  color: rgba(255, 255, 255, 0.65);
  transition: color 0.2s;
}

.footer-col a:hover {
  color: var(--primary-light);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  padding: 20px 10%;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.3);
}

.scroll-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 46px;
  height: 46px;
  border: none;
  border-radius: 50%;
  background: var(--primary);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(0, 136, 168, 0.3);
  transition: 0.3s ease;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  z-index: 900;
}

.scroll-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

.scroll-top:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
}

@keyframes rotateCircle {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 900px) {
  .top-links {
    padding: 10px 24px;
  }

  .top-links ul {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .about-container {
    flex-direction: column;
    text-align: center;
    gap: 40px;
  }

  .about-text p {
    max-width: 100%;
    margin: 0 auto;
  }

  .values-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  .about-text h1 {
    font-size: 44px;
  }

  .about-text h2 {
    font-size: 34px;
  }

  .values-grid {
    grid-template-columns: 1fr;
  }

  .stats-section,
  .mission-section {
    padding-left: 20px;
    padding-right: 20px;
  }

  .stats-container {
    flex-wrap: nowrap;
    gap: 8px;
  }

  .stat-number {
    font-size: 28px;
  }

  .stat-label {
    font-size: 10px;
    letter-spacing: 0.5px;
  }

  .footer-top {
    flex-direction: column;
  }

  .footer-links {
    gap: 30px;
  }

  .about-image img {
    width: 260px;
    height: 260px;
  }
}