/* =========================================================
   VASAI Token Official Website
   File: css/style.css
   Tech: Pure HTML + CSS + JS
   Theme: Bright Technology / Blue / Cyan / White
   ========================================================= */

/* ---------- Root Variables ---------- */
:root {
  --primary: #1f6fff;
  --primary-dark: #0b2f82;
  --primary-deep: #071b4d;
  --cyan: #2ee9ff;
  --cyan-soft: #d9fbff;
  --sky: #78d8ff;
  --blue-soft: #eef7ff;
  --white: #ffffff;
  --off-white: #f8fbff;
  --ink: #10213f;
  --muted: #64748b;
  --line: rgba(31, 111, 255, 0.16);
  --glass: rgba(255, 255, 255, 0.72);
  --glass-strong: rgba(255, 255, 255, 0.88);
  --shadow-soft: 0 18px 45px rgba(31, 111, 255, 0.12);
  --shadow-card: 0 16px 40px rgba(8, 35, 90, 0.12);
  --shadow-glow: 0 0 35px rgba(46, 233, 255, 0.32);
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --radius-xl: 36px;
  --container: 1180px;
  --transition: all 0.28s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 4%, rgba(46, 233, 255, 0.20), transparent 28%),
    radial-gradient(circle at 90% 0%, rgba(31, 111, 255, 0.18), transparent 30%),
    linear-gradient(180deg, #f6fbff 0%, #ffffff 35%, #f7fbff 100%);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

button,
input,
textarea {
  font-family: inherit;
}

ul {
  list-style: none;
}

/* ---------- Global Layout ---------- */
.container {
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
}

.section {
  padding: 96px 0;
  position: relative;
}

.section-sm {
  padding: 64px 0;
}

.page-main {
  min-height: 70vh;
}

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

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

.gradient-text {
  background: linear-gradient(90deg, var(--primary), var(--cyan), #4b7dff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border: 1px solid rgba(46, 233, 255, 0.34);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.76);
  color: var(--primary-dark);
  font-weight: 700;
  font-size: 0.83rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  box-shadow: 0 10px 30px rgba(46, 233, 255, 0.12);
}

.kicker::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--cyan);
  box-shadow: 0 0 18px var(--cyan);
}

.section-title {
  margin-top: 18px;
  font-size: clamp(2rem, 4vw, 3.8rem);
  line-height: 1.08;
  letter-spacing: -0.045em;
  color: var(--primary-deep);
}

.section-lead {
  max-width: 820px;
  margin: 22px auto 0;
  font-size: 1.08rem;
  color: var(--muted);
}

.section-head {
  margin-bottom: 48px;
}

.section-head.split {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 48px;
  align-items: end;
}

.section-head.split .section-lead {
  margin-left: 0;
  margin-right: 0;
}

/* ---------- Header ---------- */
.site-header {
  width: 100%;
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(247, 252, 255, 0.76);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(31, 111, 255, 0.10);
  transition: var(--transition);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 12px 35px rgba(18, 65, 130, 0.10);
}

.navbar {
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 220px;
}

.brand img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  border-radius: 999px;
  box-shadow: 0 0 0 6px rgba(46, 233, 255, 0.12);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-name {
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--primary-deep);
  letter-spacing: -0.02em;
}

.brand-tagline {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 600;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.nav-links a {
  color: #1c335f;
  font-weight: 700;
  font-size: 0.94rem;
  padding: 10px 14px;
  border-radius: 999px;
  transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
  background: rgba(31, 111, 255, 0.08);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.menu-toggle {
  display: none;
  border: 0;
  background: var(--white);
  color: var(--primary-deep);
  width: 46px;
  height: 46px;
  border-radius: 999px;
  box-shadow: var(--shadow-soft);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--primary-deep);
  border-radius: 999px;
  transition: var(--transition);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border-radius: 999px;
  padding: 13px 22px;
  font-weight: 800;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--primary), #2aa9ff 52%, var(--cyan));
  box-shadow: 0 16px 36px rgba(31, 111, 255, 0.24), 0 0 24px rgba(46, 233, 255, 0.18);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 22px 44px rgba(31, 111, 255, 0.30), 0 0 36px rgba(46, 233, 255, 0.28);
}

.btn-secondary {
  color: var(--primary-dark);
  background: rgba(255, 255, 255, 0.82);
  border-color: rgba(31, 111, 255, 0.18);
  box-shadow: 0 12px 30px rgba(31, 111, 255, 0.10);
}

.btn-secondary:hover {
  color: var(--primary);
  transform: translateY(-3px);
  border-color: rgba(46, 233, 255, 0.45);
  box-shadow: var(--shadow-glow);
}

.btn-text {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-weight: 900;
  transition: var(--transition);
}

.btn-text:hover {
  gap: 13px;
  color: var(--primary-dark);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 92px 0 70px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -130px -80px auto auto;
  width: 520px;
  height: 520px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(46, 233, 255, 0.28), transparent 62%);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  left: -160px;
  bottom: -220px;
  width: 520px;
  height: 520px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(31, 111, 255, 0.18), transparent 64%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.03fr 0.97fr;
  gap: 54px;
  align-items: center;
}

.hero-title {
  margin-top: 20px;
  font-size: clamp(3rem, 6vw, 5.8rem);
  line-height: 0.96;
  letter-spacing: -0.07em;
  color: var(--primary-deep);
}

.hero-title span {
  display: block;
}

.hero-copy {
  margin-top: 24px;
  max-width: 660px;
  font-size: 1.12rem;
  color: var(--muted);
}

.hero-actions {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-metrics {
  margin-top: 42px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.metric-card {
  padding: 18px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.70);
  border: 1px solid rgba(31, 111, 255, 0.12);
  box-shadow: 0 14px 32px rgba(18, 65, 130, 0.08);
}

.metric-value {
  color: var(--primary-deep);
  font-size: 1.45rem;
  font-weight: 950;
  letter-spacing: -0.04em;
}

.metric-label {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
}

.hero-visual {
  position: relative;
}

.hero-frame {
  position: relative;
  padding: 14px;
  border-radius: 34px;
  background:
    linear-gradient(145deg, rgba(255,255,255,0.95), rgba(221,248,255,0.72)),
    linear-gradient(135deg, rgba(46, 233, 255, 0.45), rgba(31, 111, 255, 0.28));
  border: 1px solid rgba(46, 233, 255, 0.36);
  box-shadow: 0 30px 70px rgba(8, 35, 90, 0.18);
  overflow: hidden;
}

.hero-frame img {
  width: 100%;
  min-height: 420px;
  object-fit: cover;
  border-radius: 25px;
}

.float-card {
  position: absolute;
  z-index: 4;
  width: min(240px, 44%);
  padding: 16px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(46, 233, 255, 0.28);
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(18px);
}

.float-card.one {
  left: -22px;
  bottom: 36px;
}

.float-card.two {
  right: -16px;
  top: 38px;
}

.float-card small {
  color: var(--muted);
  font-weight: 800;
}

.float-card strong {
  display: block;
  margin-top: 3px;
  color: var(--primary-deep);
  font-size: 1rem;
}

.orb {
  position: absolute;
  border-radius: 999px;
  pointer-events: none;
  filter: blur(0.2px);
}

.orb-a {
  width: 88px;
  height: 88px;
  top: -22px;
  left: 38px;
  background: radial-gradient(circle at 35% 35%, #ffffff, var(--cyan));
  opacity: 0.5;
}

.orb-b {
  width: 120px;
  height: 120px;
  right: -34px;
  bottom: -40px;
  background: radial-gradient(circle at 35% 35%, #ffffff, rgba(31,111,255,0.58));
  opacity: 0.45;
}

/* ---------- Cards / Grids ---------- */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 26px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
}

.card {
  position: relative;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(31, 111, 255, 0.13);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: var(--transition);
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(46, 233, 255, 0.18), transparent 42%);
  opacity: 0;
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-7px);
  border-color: rgba(46, 233, 255, 0.35);
  box-shadow: 0 24px 56px rgba(8, 35, 90, 0.16);
}

.card:hover::before {
  opacity: 1;
}

.card > * {
  position: relative;
  z-index: 2;
}

.icon-badge {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(31, 111, 255, 0.12), rgba(46, 233, 255, 0.24));
  color: var(--primary);
  font-size: 1.45rem;
  font-weight: 950;
  box-shadow: inset 0 0 0 1px rgba(31, 111, 255, 0.12);
}

.card h3 {
  margin-top: 18px;
  font-size: 1.32rem;
  line-height: 1.25;
  color: var(--primary-deep);
  letter-spacing: -0.03em;
}

.card p {
  margin-top: 12px;
  color: var(--muted);
}

/* ---------- Image Blocks ---------- */
.image-card {
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--white);
  border: 1px solid rgba(31, 111, 255, 0.13);
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}

.image-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 26px 60px rgba(8, 35, 90, 0.16);
}

.image-card img {
  width: 100%;
  object-fit: cover;
  transition: transform 0.55s ease;
}

.image-card:hover img {
  transform: scale(1.045);
}

.image-wide img {
  aspect-ratio: 16 / 8.5;
}

.image-square img {
  aspect-ratio: 1 / 1;
}

.image-tall img {
  aspect-ratio: 4 / 5;
}

.image-caption {
  padding: 18px 20px 22px;
}

.image-caption h3 {
  color: var(--primary-deep);
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.image-caption p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.95rem;
}

/* ---------- Feature Band ---------- */
.feature-band {
  position: relative;
  border-radius: var(--radius-xl);
  padding: 48px;
  background:
    linear-gradient(135deg, rgba(7, 27, 77, 0.95), rgba(17, 76, 158, 0.90) 48%, rgba(27, 183, 226, 0.82)),
    radial-gradient(circle at 12% 20%, rgba(46, 233, 255, 0.32), transparent 34%);
  color: var(--white);
  overflow: hidden;
  box-shadow: 0 30px 76px rgba(7, 27, 77, 0.24);
}

.feature-band::after {
  content: "";
  position: absolute;
  right: -120px;
  top: -120px;
  width: 320px;
  height: 320px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.22);
  box-shadow: 0 0 0 40px rgba(255,255,255,0.04);
}

.feature-band h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.05em;
}

.feature-band p {
  margin-top: 18px;
  max-width: 760px;
  color: rgba(255, 255, 255, 0.78);
}

.feature-band .btn {
  margin-top: 28px;
}

.feature-band-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 0.72fr;
  gap: 36px;
  align-items: center;
}

.feature-band img {
  border-radius: 28px;
  border: 1px solid rgba(255,255,255,0.18);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.24);
}

/* ---------- Page Hero ---------- */
.page-hero {
  padding: 86px 0 70px;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 22% 16%, rgba(46, 233, 255, 0.20), transparent 32%),
    radial-gradient(circle at 82% 8%, rgba(31, 111, 255, 0.16), transparent 32%);
  pointer-events: none;
}

.page-hero-inner {
  position: relative;
  z-index: 2;
  max-width: 920px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 20px;
}

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

.page-title {
  font-size: clamp(2.7rem, 6vw, 5.6rem);
  line-height: 0.98;
  letter-spacing: -0.07em;
  color: var(--primary-deep);
}

.page-description {
  margin-top: 24px;
  max-width: 800px;
  font-size: 1.12rem;
  color: var(--muted);
}

/* ---------- Blog System ---------- */
.blog-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 32px;
  align-items: start;
}

.blog-grid {
  display: grid;
  gap: 28px;
}

.blog-card {
  display: grid;
  grid-template-columns: 285px 1fr;
  gap: 28px;
  padding: 18px;
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.84);
  border: 1px solid rgba(31, 111, 255, 0.13);
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}

.blog-card:hover {
  transform: translateY(-6px);
  border-color: rgba(46, 233, 255, 0.38);
  box-shadow: 0 24px 58px rgba(8, 35, 90, 0.15);
}

.blog-card-image {
  overflow: hidden;
  border-radius: 22px;
}

.blog-card-image img {
  width: 100%;
  height: 100%;
  min-height: 230px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.blog-card:hover .blog-card-image img {
  transform: scale(1.05);
}

.blog-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-bottom: 12px;
}

.blog-meta span {
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(31, 111, 255, 0.08);
  color: var(--primary-dark);
  font-size: 0.78rem;
  font-weight: 800;
}

.blog-card h2,
.blog-card h3 {
  color: var(--primary-deep);
  line-height: 1.18;
  letter-spacing: -0.035em;
}

.blog-card h2 {
  font-size: 1.8rem;
}

.blog-card h3 {
  font-size: 1.45rem;
}

.blog-card p {
  margin-top: 12px;
  color: var(--muted);
}

.blog-card .btn-text {
  margin-top: 18px;
}

.sidebar {
  position: sticky;
  top: 100px;
  display: grid;
  gap: 20px;
}

.sidebar-card {
  padding: 24px;
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.84);
  border: 1px solid rgba(31, 111, 255, 0.13);
  box-shadow: var(--shadow-card);
}

.sidebar-card h3 {
  color: var(--primary-deep);
  letter-spacing: -0.03em;
}

.sidebar-card p,
.sidebar-card li {
  color: var(--muted);
  margin-top: 10px;
}

.sidebar-card li {
  padding: 10px 0;
  border-bottom: 1px solid rgba(31, 111, 255, 0.10);
}

.sidebar-card li:last-child {
  border-bottom: 0;
}

/* ---------- Article ---------- */
.article-wrap {
  max-width: 940px;
  margin: 0 auto;
}

.article-hero-image {
  margin-top: 42px;
  overflow: hidden;
  border-radius: var(--radius-xl);
  box-shadow: 0 30px 72px rgba(8, 35, 90, 0.18);
  border: 1px solid rgba(31, 111, 255, 0.14);
}

.article-hero-image img {
  width: 100%;
  aspect-ratio: 16 / 8;
  object-fit: cover;
}

.article-content {
  margin-top: 54px;
  padding: 46px;
  background: rgba(255,255,255,0.86);
  border: 1px solid rgba(31, 111, 255, 0.12);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
}

.article-content h2 {
  margin-top: 34px;
  color: var(--primary-deep);
  font-size: 2rem;
  line-height: 1.18;
  letter-spacing: -0.04em;
}

.article-content h2:first-child {
  margin-top: 0;
}

.article-content h3 {
  margin-top: 28px;
  color: var(--primary-dark);
  font-size: 1.45rem;
  line-height: 1.25;
}

.article-content p {
  margin-top: 18px;
  color: #394a67;
  font-size: 1.04rem;
}

.article-content ul,
.article-content ol {
  margin-top: 18px;
  padding-left: 22px;
  color: #394a67;
}

.article-content ul {
  list-style: disc;
}

.article-content ol {
  list-style: decimal;
}

.article-content li {
  margin: 10px 0;
}

.article-note {
  margin: 32px 0;
  padding: 26px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(31,111,255,0.10), rgba(46,233,255,0.14));
  border: 1px solid rgba(46, 233, 255, 0.28);
}

.article-navigation {
  margin-top: 34px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
}

/* ---------- FAQ ---------- */
.faq-wrap {
  max-width: 980px;
  margin: 0 auto;
  display: grid;
  gap: 16px;
}

.faq-item {
  border-radius: 24px;
  background: rgba(255,255,255,0.86);
  border: 1px solid rgba(31,111,255,0.13);
  box-shadow: 0 14px 36px rgba(8,35,90,0.08);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 22px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  border: 0;
  background: transparent;
  color: var(--primary-deep);
  text-align: left;
  font-size: 1.05rem;
  font-weight: 900;
  cursor: pointer;
}

.faq-icon {
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: rgba(31,111,255,0.09);
  color: var(--primary);
  transition: var(--transition);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.32s ease;
}

.faq-answer-inner {
  padding: 0 24px 24px;
  color: var(--muted);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  background: var(--primary);
  color: var(--white);
}

.faq-item.active {
  border-color: rgba(46,233,255,0.35);
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 32px;
  align-items: stretch;
}

.contact-card {
  padding: 32px;
  border-radius: var(--radius-xl);
  background: rgba(255,255,255,0.86);
  border: 1px solid rgba(31,111,255,0.13);
  box-shadow: var(--shadow-card);
}

.contact-list {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.contact-item {
  display: flex;
  gap: 14px;
  padding: 18px;
  border-radius: 22px;
  background: rgba(31,111,255,0.055);
  border: 1px solid rgba(31,111,255,0.10);
}

.contact-item-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  flex: 0 0 42px;
  border-radius: 15px;
  color: var(--primary);
  background: rgba(46,233,255,0.18);
  font-weight: 950;
}

.contact-item h3 {
  color: var(--primary-deep);
  font-size: 1rem;
}

.contact-item p,
.contact-item a {
  display: inline-block;
  margin-top: 4px;
  color: var(--muted);
  word-break: break-word;
}

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

.contact-form {
  display: grid;
  gap: 16px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.form-field label {
  display: block;
  margin-bottom: 8px;
  color: var(--primary-deep);
  font-weight: 800;
  font-size: 0.92rem;
}

.form-field input,
.form-field textarea {
  width: 100%;
  border: 1px solid rgba(31,111,255,0.18);
  border-radius: 18px;
  padding: 14px 16px;
  outline: none;
  color: var(--ink);
  background: rgba(255,255,255,0.82);
  transition: var(--transition);
}

.form-field textarea {
  min-height: 150px;
  resize: vertical;
}

.form-field input:focus,
.form-field textarea:focus {
  border-color: rgba(46,233,255,0.75);
  box-shadow: 0 0 0 5px rgba(46,233,255,0.12);
}

/* ---------- Footer ---------- */
.site-footer {
  position: relative;
  margin-top: 60px;
  padding: 72px 0 26px;
  background:
    radial-gradient(circle at 15% 0%, rgba(46,233,255,0.18), transparent 34%),
    linear-gradient(135deg, #071b4d, #0c2f7e 56%, #0a7896);
  color: var(--white);
  overflow: hidden;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.7fr 0.7fr 0.9fr;
  gap: 32px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-brand img {
  width: 46px;
  height: 46px;
  object-fit: contain;
  border-radius: 999px;
}

.footer-brand strong {
  font-size: 1.15rem;
}

.footer-text {
  margin-top: 18px;
  color: rgba(255,255,255,0.72);
  max-width: 390px;
}

.footer-col h3 {
  font-size: 1rem;
  margin-bottom: 16px;
}

.footer-col a,
.footer-col p {
  display: block;
  margin: 10px 0;
  color: rgba(255,255,255,0.72);
  transition: var(--transition);
}

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

.footer-bottom {
  margin-top: 52px;
  padding-top: 22px;
  border-top: 1px solid rgba(255,255,255,0.14);
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: rgba(255,255,255,0.62);
  font-size: 0.9rem;
}

/* ---------- Animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.75s ease, transform 0.75s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in {
  animation: fadeIn 0.8s ease both;
}

.float {
  animation: floatMove 5.2s ease-in-out infinite;
}

.float-delay {
  animation: floatMove 6.4s ease-in-out infinite;
  animation-delay: 0.8s;
}

.pulse-glow {
  animation: pulseGlow 3s ease-in-out infinite;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(18px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes floatMove {
  0%, 100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-14px);
  }
}

@keyframes pulseGlow {
  0%, 100% {
    box-shadow: 0 0 0 rgba(46, 233, 255, 0.0);
  }

  50% {
    box-shadow: 0 0 38px rgba(46, 233, 255, 0.34);
  }
}

/* ---------- Utility Components ---------- */
.stat-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.stat-box {
  padding: 26px;
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.82);
  border: 1px solid rgba(31,111,255,0.12);
  box-shadow: var(--shadow-card);
  text-align: center;
}

.stat-box strong {
  display: block;
  color: var(--primary-deep);
  font-size: 2rem;
  letter-spacing: -0.04em;
}

.stat-box span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-weight: 700;
}

.logo-cloud {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

.logo-tile {
  min-height: 92px;
  padding: 18px;
  display: grid;
  place-items: center;
  border-radius: 22px;
  background: rgba(255,255,255,0.78);
  border: 1px solid rgba(31,111,255,0.12);
  color: var(--primary-dark);
  font-weight: 900;
  text-align: center;
}

.timeline {
  position: relative;
  display: grid;
  gap: 18px;
}

.timeline-item {
  position: relative;
  padding: 24px 24px 24px 72px;
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.82);
  border: 1px solid rgba(31,111,255,0.12);
  box-shadow: 0 12px 34px rgba(8,35,90,0.08);
}

.timeline-number {
  position: absolute;
  left: 22px;
  top: 24px;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), var(--cyan));
  color: var(--white);
  font-weight: 950;
}

.timeline-item h3 {
  color: var(--primary-deep);
}

.timeline-item p {
  margin-top: 8px;
  color: var(--muted);
}

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .hero-grid,
  .section-head.split,
  .feature-band-grid,
  .contact-grid,
  .blog-layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
  }

  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .hero-frame img {
    min-height: 360px;
  }
}

@media (max-width: 860px) {
  .navbar {
    height: 72px;
  }

  .nav-links {
    position: fixed;
    left: 20px;
    right: 20px;
    top: 82px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    border-radius: 24px;
    background: rgba(255,255,255,0.96);
    border: 1px solid rgba(31,111,255,0.14);
    box-shadow: var(--shadow-card);
  }

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

  .nav-links a {
    padding: 13px 16px;
  }

  .menu-toggle {
    display: block;
  }

  .nav-actions .btn {
    display: none;
  }

  .hero {
    padding-top: 62px;
  }

  .hero-metrics,
  .grid-3,
  .stat-strip,
  .logo-cloud {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .blog-card {
    grid-template-columns: 1fr;
  }

  .blog-card-image img {
    min-height: 260px;
  }

  .article-content {
    padding: 30px;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 28px, var(--container));
  }

  .section {
    padding: 70px 0;
  }

  .hero-title,
  .page-title {
    letter-spacing: -0.055em;
  }

  .hero-actions,
  .article-navigation,
  .footer-bottom {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-metrics,
  .grid-2,
  .grid-3,
  .grid-4,
  .stat-strip,
  .logo-cloud,
  .form-row {
    grid-template-columns: 1fr;
  }

  .feature-band {
    padding: 30px;
    border-radius: 28px;
  }

  .float-card {
    position: static;
    width: 100%;
    margin-top: 14px;
  }

  .hero-frame img {
    min-height: 280px;
  }

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

  .brand {
    min-width: auto;
  }

  .brand-tagline {
    display: none;
  }
}