@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap");

:root {
  --blue-900: #0b3572;
  --blue-800: #0d4694;
  --blue-700: #1056b1;
  --sky-500: #13aee9;
  --green-600: #62b615;
  --green-700: #4b960d;
  --gold-400: #f3c600;
  --ink-900: #172033;
  --ink-700: #38435a;
  --ink-500: #68758f;
  --surface: #ffffff;
  --surface-soft: #f5f8fc;
  --line: #dfe7f2;
  --shadow: 0 20px 55px rgba(11, 53, 114, 0.12);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  color: var(--ink-900);
  background:
    radial-gradient(circle at 15% 8%, rgba(19, 174, 233, 0.14), transparent 30%),
    radial-gradient(circle at 85% 10%, rgba(98, 182, 21, 0.14), transparent 28%),
    linear-gradient(180deg, #ffffff 0%, #f7fbff 52%, #ffffff 100%);
  line-height: 1.65;
  padding-bottom: 82px;
}

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

img {
  max-width: 100%;
  display: block;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid rgba(223, 231, 242, 0.85);
  backdrop-filter: blur(18px);
}

.navbar {
  width: min(var(--max-width), calc(100% - 40px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 82px;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-logo {
  width: 58px;
  height: 58px;
  object-fit: contain;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-name {
  font-size: 1.28rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--blue-900);
}

.brand-tagline {
  margin-top: 4px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--green-700);
  letter-spacing: 0.01em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--ink-700);
  font-weight: 700;
  font-size: 0.96rem;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--blue-900);
  background: rgba(16, 86, 177, 0.08);
}

.mobile-menu-button {
  display: none;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--blue-900);
  border-radius: 14px;
  padding: 10px 12px;
  font-weight: 800;
  cursor: pointer;
}

.hero {
  width: min(var(--max-width), calc(100% - 40px));
  margin: 0 auto;
  padding: 74px 0 54px;
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  gap: 48px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 14px;
  border: 1px solid rgba(16, 86, 177, 0.18);
  background: rgba(255, 255, 255, 0.86);
  color: var(--blue-900);
  font-weight: 800;
  border-radius: 999px;
  font-size: 0.86rem;
}

.eyebrow::before {
  content: "";
  width: 10px;
  height: 10px;
  background: linear-gradient(135deg, var(--green-600), var(--sky-500));
  border-radius: 999px;
}

.hero h1 {
  margin: 20px 0 20px;
  font-size: clamp(1.35rem, 2.2vw, 1.95rem);
  line-height: 0.98;
  letter-spacing: -0.065em;
  color: var(--blue-900);
}

.hero h1 span {
  color: var(--green-600);
}

.hero p {
  margin: 0 0 28px;
  max-width: 660px;
  color: var(--ink-700);
  font-size: 1.08rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px 20px;
  border-radius: 999px;
  font-weight: 850;
  letter-spacing: -0.01em;
  border: 1px solid transparent;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

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

.button-primary {
  color: #ffffff;
  background: linear-gradient(135deg, var(--blue-800), var(--sky-500));
  box-shadow: 0 14px 26px rgba(16, 86, 177, 0.22);
}

.button-secondary {
  color: var(--blue-900);
  background: #ffffff;
  border-color: var(--line);
}

.hero-card {
  position: relative;
  padding: 36px;
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.95), rgba(255,255,255,0.82)),
    linear-gradient(135deg, rgba(16, 86, 177, 0.1), rgba(98, 182, 21, 0.1));
  border: 1px solid rgba(223, 231, 242, 0.95);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-card::after {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  right: -78px;
  top: -75px;
  border-radius: 50%;
  background: rgba(19, 174, 233, 0.13);
}

.hero-logo {
  width: 270px;
  margin: 0 auto 24px;
  position: relative;
  z-index: 1;
}

.stat-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.stat-card {
  padding: 18px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--line);
}

.stat-card strong {
  display: block;
  color: var(--blue-900);
  font-size: 1.6rem;
  line-height: 1;
}

.stat-card span {
  display: block;
  margin-top: 8px;
  color: var(--ink-500);
  font-weight: 650;
  font-size: 0.88rem;
}

.section {
  width: min(var(--max-width), calc(100% - 40px));
  margin: 0 auto;
  padding: 62px 0;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 28px;
}

.section-heading h2 {
  margin: 0 0 10px;
  font-size: clamp(1.35rem, 2.2vw, 1.95rem);
  line-height: 1.05;
  letter-spacing: -0.05em;
  color: var(--blue-900);
}

.section-heading p {
  margin: 0;
  color: var(--ink-700);
  font-size: 1.04rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.feature-card {
  display: flex;
  flex-direction: column;
  min-height: 230px;
  padding: 24px;
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  box-shadow: 0 14px 34px rgba(11, 53, 114, 0.07);
}

.feature-icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  color: #ffffff;
  font-weight: 900;
  background: linear-gradient(135deg, var(--blue-800), var(--sky-500));
}

.feature-card:nth-child(2) .feature-icon {
  background: linear-gradient(135deg, var(--green-700), var(--green-600));
}

.feature-card:nth-child(3) .feature-icon {
  background: linear-gradient(135deg, var(--gold-400), var(--green-600));
}

.feature-card:nth-child(4) .feature-icon {
  background: linear-gradient(135deg, var(--blue-900), var(--green-600));
}

.feature-card h3 {
  margin: 18px 0 8px;
  font-size: 1.1rem;
  color: var(--blue-900);
}

.feature-card p {
  margin: 0 0 20px;
  color: var(--ink-700);
}

.feature-card a {
  margin-top: auto;
  color: var(--blue-800);
  font-weight: 850;
}

.page-hero {
  width: min(var(--max-width), calc(100% - 40px));
  margin: 0 auto;
  padding: 34px 0 18px;
}

.page-hero h1 {
  margin: 10px 0 8px;
  color: var(--blue-900);
  font-size: clamp(1.35rem, 2.2vw, 1.95rem);
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.page-hero p {
  margin: 0;
  max-width: none;
  width: 100%;
  color: var(--ink-700);
  font-size: 1rem;
  line-height: 1.45;
}

.about-layout {
  width: min(var(--max-width), calc(100% - 40px));
  margin: 0 auto 56px;
  display: grid;
  grid-template-columns: 285px minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

.about-menu {
  position: sticky;
  top: 106px;
  padding: 16px;
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  box-shadow: 0 14px 34px rgba(11, 53, 114, 0.07);
}

.about-menu button,
.about-menu a {
  width: 100%;
  display: flex;
  text-align: left;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border: 0;
  border-radius: 16px;
  cursor: pointer;
  background: transparent;
  color: var(--ink-700);
  font-family: inherit;
  font-weight: 850;
  font-size: 0.98rem;
}

.about-menu button:hover,
.about-menu button.active,
.about-menu a:hover {
  color: var(--blue-900);
  background: rgba(16, 86, 177, 0.08);
}

.content-frame-wrap {
  min-height: 430px;
  border-radius: var(--radius-xl);
  background: #ffffff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.content-frame {
  width: 100%;
  min-height: 430px;
  height: auto;
  border: 0;
  display: block;
  background: #ffffff;
  overflow: hidden;
}

.content-document {
  margin: 0;
  background: #ffffff;
  color: var(--ink-900);
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  line-height: 1.5;
}

.content-inner {
  padding: 34px 44px;
}

.content-label {
  display: inline-flex;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(98, 182, 21, 0.11);
  color: var(--green-700);
  font-weight: 850;
  font-size: 0.83rem;
}

.content-inner h1 {
  margin: 12px 0 10px;
  color: var(--blue-900);
  font-size: clamp(1.45rem, 2.3vw, 2.05rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.content-inner h2 {
  margin-top: 24px;
  margin-bottom: 8px;
  color: var(--blue-900);
  letter-spacing: -0.03em;
}

.content-inner p {
  margin: 0 0 10px;
  color: var(--ink-700);
  font-size: 1rem;
  line-height: 1.5;
}

.content-inner ul,
.content-inner ol {
  padding-left: 1.2rem;
  color: var(--ink-700);
}

.content-inner li {
  line-height: 1.5;
  margin-bottom: 6px;
}

.project-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.project-item {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface-soft);
}

.project-item h3 {
  margin: 0 0 6px;
  color: var(--blue-900);
}

.project-item p {
  margin: 0;
}

.explore-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.explore-card {
  min-height: 255px;
  padding: 26px;
  border-radius: var(--radius-xl);
  background: #ffffff;
  border: 1px solid var(--line);
  box-shadow: 0 14px 34px rgba(11, 53, 114, 0.07);
}

.explore-card h3 {
  margin: 18px 0 8px;
  color: var(--blue-900);
}

.explore-card p {
  color: var(--ink-700);
  margin: 0;
}

.contact-card {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 24px;
  padding: 30px;
  border-radius: var(--radius-xl);
  background: #ffffff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.contact-logo {
  width: 220px;
  margin-bottom: 24px;
}

.contact-list {
  display: grid;
  gap: 14px;
}

.contact-item {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface-soft);
}

.contact-item span {
  display: block;
  color: var(--ink-500);
  font-weight: 750;
  font-size: 0.84rem;
}

.contact-item strong,
.contact-item a {
  display: block;
  color: var(--blue-900);
  font-weight: 850;
  margin-top: 4px;
  word-break: break-word;
}

.contact-form {
  display: grid;
  gap: 14px;
}

.contact-form label {
  color: var(--ink-700);
  font-weight: 850;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  margin-top: 6px;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 12px 14px;
  font: inherit;
  background: #ffffff;
}

.contact-form textarea {
  min-height: 148px;
  resize: vertical;
}

 .site-footer {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 60;
  border-top: 1px solid var(--line);
  background: #ffffff;
}

.footer-inner {
  width: min(var(--max-width), calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: var(--ink-500);
  font-weight: 650;
  font-size: 0.92rem;
}

.footer-inner a {
  color: var(--blue-900);
}

@media (max-width: 940px) {
  .hero,
  .contact-card {
    grid-template-columns: 1fr;
  }

  .card-grid,
  .explore-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .about-layout {
    grid-template-columns: 1fr;
  }

  .about-menu {
    position: static;
  }

  .content-frame {
    min-height: 430px;
  }
}

@media (max-width: 720px) {
  .navbar {
    min-height: 74px;
  }

  .mobile-menu-button {
    display: inline-flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    left: 20px;
    right: 20px;
    top: 74px;
    padding: 12px;
    flex-direction: column;
    align-items: stretch;
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: 22px;
    box-shadow: var(--shadow);
  }

  .nav-links.open {
    display: flex;
  }

  .brand-tagline {
    display: none;
  }

  .hero {
    padding-top: 44px;
  }

  .hero-card {
    padding: 26px;
  }

  .stat-grid,
  .card-grid,
  .explore-grid,
  .project-list {
    grid-template-columns: 1fr;
  }

  .content-inner {
    padding: 28px;
  }

  .page-hero {
    padding: 28px 0 16px;
  }

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

/* ----- Smart PHCM Typography Standard -----
   Body: Inter Regular for readability.
   Headings: Inter ExtraBold for strong corporate hierarchy.
   Navigation: Inter Bold for compact clarity.
*/
body {
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  font-weight: 400;
}

h1,
h2,
h3,
.brand-name {
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  font-weight: 800;
}

.nav-links a {
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  font-weight: 700;
}

p,
li,
.content-inner p,
.content-inner li {
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  font-weight: 400;
}

.book-cover-section {
  margin-top: 40px;
}

.book-cover-card {
  margin: 18px 0 0;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--surface-soft);
  text-align: center;
}

.book-cover-card img {
  width: min(100%, 420px);
  height: auto;
  margin: 0 auto;
  border-radius: 18px;
  box-shadow: 0 18px 42px rgba(11, 53, 114, 0.16);
}

.book-cover-card figcaption {
  margin-top: 14px;
  color: var(--ink-500);
  font-size: 0.95rem;
  font-weight: 500;
}

/* Make all unordered bullets solid dots, but keep same color as text */
ul {
  list-style-type: disc;
}

ul ul {
  list-style-type: disc;
}

li::marker {
  color: currentColor;
}