:root {
  --bg: #f3f7fc;
  --panel: #ffffff;
  --text: #0f233d;
  --muted: #51647d;
  --line: #dce5f1;
  --brand: #0f77c8;
  --brand-2: #0fa28f;
}

* { box-sizing: border-box; }

html,
body {
  height: 100%;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Segoe UI", "Trebuchet MS", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.5;
  background:
    radial-gradient(circle at 8% 10%, rgba(15, 119, 200, 0.09), transparent 30%),
    radial-gradient(circle at 92% 2%, rgba(15, 162, 143, 0.09), transparent 25%),
    var(--bg);
  overflow-x: hidden;
  min-height: 100vh;
}

.page-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.bg-orb {
  position: fixed;
  z-index: -1;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.2;
}

.orb-a { left: -100px; top: 20%; background: #21c3b0; }
.orb-b { right: -120px; top: 8%; background: #2d8cea; }

.container {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  margin-top: 8px;
  padding: 16px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  position: sticky;
  top: 8px;
  z-index: 80;
  border: 1px solid #d7e4f0;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.88);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  transition: padding .22s ease, top .22s ease, box-shadow .22s ease, border-radius .22s ease;
}

body.scrolled .topbar {
  top: 4px;
  padding: 10px 14px;
  border-radius: 12px;
  box-shadow: 0 10px 22px rgba(16, 48, 82, 0.14);
}

.brand img {
  width: 180px;
  height: auto;
  display: block;
  transition: width .22s ease;
}

body.scrolled .brand img {
  width: 150px;
}

.top-links {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.top-links > a {
  text-decoration: none;
  color: var(--text);
  font-weight: 600;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid transparent;
  transition: .2s ease;
}

body.scrolled .top-links > a {
  padding: 6px 8px;
  font-size: 14px;
}

main {
  flex: 1 0 auto;
  width: 100%;
  padding-bottom: 26px;
}

.top-links > a:hover {
  background: #e7f0fb;
}

.top-links > a.active {
  background: #eaf3ff;
  border-color: #c8ddf2;
  color: #0a4f87;
}

.hero {
  padding: 30px;
  background: linear-gradient(145deg, #f8fbff, #ffffff);
  border: 1px solid var(--line);
  border-radius: 18px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 24px;
}

.hero-copy h1 {
  margin: 10px 0 12px;
  font-size: clamp(30px, 4vw, 50px);
  line-height: 1.1;
}

.hero-copy p {
  margin: 0;
  color: var(--muted);
}

.eyebrow {
  margin: 0;
  color: var(--brand);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .7px;
  font-weight: 700;
}

.hero-actions {
  margin-top: 22px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.hero-side {
  border: 1px dashed #b9d2ea;
  border-radius: 14px;
  padding: 14px;
  background: linear-gradient(145deg, #eef5ff, #f7fbff);
  display: grid;
  gap: 10px;
}

.pill {
  padding: 10px 12px;
  border-radius: 9px;
  background: #fff;
  border: 1px solid #d7e7f8;
  font-weight: 600;
  color: #214366;
}

.section {
  margin-top: 44px;
}

.section-head h2 {
  margin: 0;
  font-size: 32px;
}

.section-head p {
  margin: 8px 0 0;
  color: var(--muted);
}

.feature-grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.feature-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
}

.feature-card h3 {
  margin: 0 0 7px;
  font-size: 20px;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
}

.feature-card p + p {
  margin-top: 8px;
}

.module-grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.module {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  padding: 14px;
}

.module h4 {
  margin: 0 0 6px;
}

.module p {
  margin: 0;
  color: var(--muted);
}

.card-thumb {
  height: 88px;
  border: 1px dashed #9bb8d5;
  border-radius: 10px;
  margin: 0 0 12px;
  background:
    linear-gradient(135deg, rgba(15, 119, 200, 0.08), rgba(15, 162, 143, 0.08));
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.card-thumb span {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .3px;
  color: #3b6289;
}

.gallery {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.shot {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: #fff;
}

.shot img {
  display: block;
  width: 100%;
  height: auto;
}

.shot figcaption {
  padding: 10px 12px;
  font-weight: 600;
  color: #27486a;
  border-top: 1px solid var(--line);
}

.ref-grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.logo-marquee {
  margin-top: 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  overflow: hidden;
  padding: 12px 0;
}

.logo-track {
  display: flex;
  align-items: center;
  gap: 14px;
  width: max-content;
  animation: logo-marquee 120s linear infinite;
  padding: 0 10px;
}

.logo-marquee:hover .logo-track {
  animation-play-state: paused;
}

.logo-item {
  flex: 0 0 auto;
  width: 170px;
  height: 86px;
  border: 1px solid #d7e4f1;
  border-radius: 10px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
}

.logo-item img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.ref-item {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed #b5c9de;
  border-radius: 12px;
  color: #5f7692;
  background: #fff;
  font-weight: 600;
}

.contact-layout {
  margin-top: 16px;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 14px;
}

.contact-form-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
}

.contact-form-card h3 {
  margin: 0 0 10px;
}

.contact-form {
  margin: 0;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.form-item {
  display: grid;
  gap: 6px;
}

.form-item-full {
  grid-column: 1 / -1;
}

.form-item span {
  font-weight: 700;
  font-size: 13px;
  color: #335372;
}

.form-item input,
.form-item textarea {
  width: 100%;
  border: 1px solid #c7d8e9;
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit;
  color: var(--text);
  background: #fff;
}

.form-item input:focus,
.form-item textarea:focus {
  outline: none;
  border-color: #4f8fc9;
  box-shadow: 0 0 0 3px rgba(79, 143, 201, 0.15);
}

.form-actions {
  margin-top: 12px;
  display: flex;
  justify-content: flex-end;
}

.form-alert {
  margin: 14px 0 0;
  border-radius: 10px;
  padding: 10px 12px;
  font-weight: 600;
}

.form-alert-ok {
  background: #e8f7ee;
  border: 1px solid #bce2ca;
  color: #1e6d3a;
}

.form-alert-err {
  background: #fdeeee;
  border: 1px solid #f1c6c6;
  color: #a33434;
}

.footer {
  margin-top: auto;
  background: linear-gradient(145deg, #0a2c4e, #10365d);
  color: #e4f1ff;
  width: 100%;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 0 16px;
}

.footer-inner h3 {
  margin: 0 0 8px;
  font-size: 28px;
}

.footer-inner p {
  margin: 0;
  color: #b8d0e7;
}

.contact-box {
  text-align: right;
}

.contact-box span {
  display: block;
  color: #9fc5e9;
  font-size: 13px;
}

.contact-box a {
  display: inline-block;
  margin-top: 4px;
  color: #fff;
  font-size: clamp(22px, 2.5vw, 30px);
  font-weight: 800;
  text-decoration: none;
}

.wa-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  white-space: nowrap;
}

.contact-box .wa-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 8px;
  font-weight: 800;
  font-size: clamp(22px, 2.5vw, 30px);
  color: #fff;
}

.wa-icon {
  width: 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #25d366;
  flex: 0 0 auto;
}

.wa-icon svg {
  width: 100%;
  height: 100%;
  fill: currentColor;
}

.footer .wa-link {
  color: #fff;
}

.footer .contact-box .wa-icon {
  width: 26px;
  height: 26px;
}

.copy {
  margin: 0;
  padding: 0 16px 18px;
  text-align: center;
  color: #99bad9;
  font-size: 13px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 10px 14px;
  text-decoration: none;
  font-weight: 700;
  transition: .2s ease;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--brand), #1f90e4);
}

.btn-secondary {
  color: #14385d;
  background: #fff;
  border-color: #b9d4ec;
}

.btn-ghost {
  color: #fff;
  border-color: rgba(255,255,255,.4);
  background: rgba(255,255,255,.08);
}

.echo-badge {
  position: fixed;
  right: 14px;
  bottom: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  background: #ffffff;
  border: 1px solid #d8e3ef;
  border-radius: 999px;
  padding: 6px 10px 6px 6px;
  box-shadow: 0 8px 20px rgba(10, 30, 60, 0.14);
  z-index: 50;
}

.wa-float {
  position: fixed;
  right: 14px;
  top: 68%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: #25d366;
  border: 1px solid #1fb458;
  box-shadow: 0 10px 24px rgba(19, 55, 35, 0.28);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  z-index: 55;
  text-decoration: none;
}

.wa-float .wa-icon {
  width: 26px;
  height: 26px;
  color: #fff;
}

.wa-float:hover {
  transform: translateY(-50%) scale(1.04);
}

.echo-badge img {
  width: 28px;
  height: 28px;
  border-radius: 50%;
}

.echo-badge span {
  color: #294968;
  font-weight: 700;
  font-size: 13px;
}

.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: .5s ease;
}

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

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

@media (max-width: 1060px) {
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .module-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ref-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .contact-layout { grid-template-columns: 1fr; }
}

@media (max-width: 840px) {
  .topbar { flex-wrap: wrap; top: 4px; }
  body.scrolled .topbar { top: 2px; }
  .top-links { width: 100%; justify-content: flex-start; }
  .hero { grid-template-columns: 1fr; padding: 20px; }
  .gallery { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .contact-box { text-align: left; }
}

@media (max-width: 580px) {
  .container { width: calc(100% - 20px); }
  .feature-grid, .module-grid, .ref-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .top-links > a:not(.btn) { font-size: 14px; }
  .echo-badge { right: 8px; bottom: 8px; padding-right: 8px; }
  .echo-badge span { font-size: 12px; }
  .wa-float {
    right: 10px;
    top: auto;
    bottom: 72px;
    transform: none;
    width: 46px;
    height: 46px;
  }
  .wa-float:hover { transform: scale(1.03); }
  .wa-float .wa-icon { width: 22px; height: 22px; }
}