:root {
  --bg: #f7f7f7;
  --panel: #ffffff;
  --panel-soft: rgba(255, 255, 255, 0.92);
  --text: #111827;
  --muted: #6b7280;
  --line: #dbe4f0;
  --accent: #38bdf8;
  --accent-dark: #0ea5e9;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Poppins", sans-serif;
  color: var(--text);
  background:
    radial-gradient(
      circle at 50% calc(-14% + (var(--hero-progress, 0) * 16%)),
      rgba(255, 255, 255, calc(0.18 + (var(--hero-progress, 0) * 0.06))) 0%,
      rgba(255, 255, 255, 0.06) 38%,
      rgba(8, 17, 34, 0) 68%
    ),
    #0b1220;
  --hero-progress: 0;
  --page-progress: 0;
}

.container {
  width: min(1160px, 91%);
  margin: 0 auto;
}

.topbar {
  background: var(--panel-soft);
  border-bottom: 1px solid rgba(17, 24, 39, 0.08);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(8px);
  transition: box-shadow 0.25s ease, background-color 0.25s ease;
}

.topbar::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, #38bdf8 0%, #0ea5e9 100%);
  transform: scaleX(var(--page-progress));
  transform-origin: left center;
  transition: transform 0.12s linear;
}

body.scrolled .topbar {
  box-shadow: 0 8px 24px rgba(10, 34, 64, 0.18);
}

.site-shell {
  position: relative;
  z-index: 1;
  transform-origin: top center;
  transform: translateY(0) scaleY(1);
  opacity: 1;
  filter: blur(0);
  transition:
    transform 0.86s cubic-bezier(0.21, 0.9, 0.22, 1),
    opacity 0.52s ease,
    filter 0.52s ease;
}

body.preload .site-shell {
  transform: translateY(-68px) scaleY(0.72);
  opacity: 0;
  filter: blur(6px);
}

body.preload.entered .site-shell {
  transform: translateY(0) scaleY(1);
  opacity: 1;
  filter: blur(0);
}

.nav-wrap {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
}

.logo-mark {
  font-size: 30px;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(130deg, #38bdf8 0%, #0ea5e9 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.logo-text {
  font-weight: 800;
  font-size: 24px;
  letter-spacing: 0.3px;
  line-height: 1;
}

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

.nav a {
  text-decoration: none;
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: 999px;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.nav a:hover {
  background: rgba(56, 189, 248, 0.12);
}

.nav a.active {
  background: rgba(56, 189, 248, 0.2);
  color: #0369a1;
}

.nav a.phone {
  white-space: nowrap;
}

.hero {
  padding: 98px 0 72px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 74px;
  align-items: center;
}

.hero-copy {
  transform: translateY(calc(var(--hero-progress) * -16px));
  transition: transform 0.15s linear;
}

.hero-copy h1 {
  margin: 0;
  font-size: clamp(31px, 4.9vw, 56px);
  line-height: 1.07;
  letter-spacing: -0.4px;
  color: #ffffff;
}

.hero-copy p {
  font-size: clamp(19px, 2.2vw, 27px);
  line-height: 1.5;
  margin: 30px 0 38px;
  color: rgba(255, 255, 255, 0.8);
  max-width: 24ch;
}

.btn {
  display: inline-block;
  background: linear-gradient(135deg, #38bdf8 0%, #0ea5e9 100%);
  color: #081122;
  text-decoration: none;
  font-weight: 700;
  font-size: 20px;
  border-radius: 999px;
  padding: 13px 30px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.25),
    0 10px 18px rgba(14, 50, 84, 0.32);
  position: relative;
  will-change: transform, box-shadow;
  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
}

.btn:hover {
  transform: translateY(-1px) scale(1.01);
  box-shadow:
    inset 0 6px 14px rgba(7, 71, 112, 0.3),
    0 4px 8px rgba(14, 50, 84, 0.26);
  filter: saturate(0.95);
}

.btn:active {
  transform: translateY(1px) scale(0.99);
  box-shadow:
    inset 0 9px 18px rgba(5, 62, 98, 0.35),
    0 2px 4px rgba(14, 50, 84, 0.28);
}

.hero-copy small {
  display: block;
  margin-top: 30px;
  font-size: 17px;
  color: rgba(255, 255, 255, 0.7);
}

.hero-visual {
  height: 350px;
  border-radius: 24px;
  background:
    radial-gradient(circle at 80% 15%, rgba(56, 189, 248, 0.28) 0 8px, transparent 9px),
    radial-gradient(circle at 71% 25%, rgba(14, 165, 233, 0.2) 0 10px, transparent 11px),
    radial-gradient(circle at 15% 72%, rgba(8, 17, 34, 0.09) 0 16px, transparent 17px),
    linear-gradient(165deg, rgba(56, 189, 248, 0.12) 0%, rgba(107, 114, 128, 0.16) 54%, rgba(255, 255, 255, 1) 100%);
  border: 1px solid #d9dce1;
  position: relative;
  overflow: hidden;
  transition: transform 0.22s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: translateY(calc(var(--hero-progress) * 10px));
}

.pc-scene {
  width: min(86%, 460px);
  display: flex;
  flex-direction: column;
  align-items: center;
  transform-origin: center;
  transition: transform 0.22s ease;
}

.monitor {
  width: 100%;
  border-radius: 14px;
  padding: 10px;
  background: linear-gradient(180deg, #081122 0%, #14263f 100%);
  box-shadow: 0 18px 36px rgba(8, 17, 34, 0.35);
}

.monitor-topbar {
  display: flex;
  gap: 6px;
  margin-bottom: 10px;
}

.monitor-topbar span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ffffff;
}

.monitor-screen {
  background: #ffffff;
  border-radius: 10px;
  min-height: 190px;
  padding: 12px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.screen-col {
  border-radius: 8px;
  border: 1px solid #e5e7eb;
}

.screen-col.left {
  background:
    linear-gradient(#38bdf8 0 34px, transparent 34px),
    repeating-linear-gradient(180deg, rgba(107, 114, 128, 0.24) 0 10px, #ffffff 10px 20px);
}

.screen-col.right {
  background:
    linear-gradient(#6b7280 0 42px, transparent 42px),
    repeating-linear-gradient(180deg, rgba(56, 189, 248, 0.16) 0 10px, #ffffff 10px 20px);
}

.monitor-stand {
  width: 64px;
  height: 26px;
  background: linear-gradient(180deg, #38bdf8 0%, #0ea5e9 100%);
  border-radius: 0 0 14px 14px;
}

.monitor-base {
  width: 170px;
  height: 16px;
  margin-top: 6px;
  border-radius: 999px;
  background: linear-gradient(180deg, #38bdf8 0%, #0ea5e9 100%);
  box-shadow: 0 8px 18px rgba(8, 17, 34, 0.25);
}

.hero-visual:hover .pc-scene {
  transform: translateY(4px) scale(0.985);
}

.features,
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.features {
  margin-top: 58px;
  transform: translateY(calc(var(--hero-progress) * -8px));
  transition: transform 0.15s linear;
}

.card {
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid #e6e8ed;
  border-radius: 20px;
  padding: 30px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
}

.mini,
.service {
  transition: box-shadow 0.22s ease;
  transform-origin: center;
}

.mini:hover,
.service:hover,
.mini:active,
.service:active {
  --hover-transform: translateY(-3px) scale(1.03);
  box-shadow:
    0 16px 30px rgba(0, 0, 0, 0.14),
    0 10px 26px rgba(56, 189, 248, 0.26);
}

.card h3 {
  margin: 0 0 14px;
  font-size: 18px;
}

.card p {
  margin: 0;
  color: #5b6473;
  font-size: 15px;
  line-height: 1.72;
}

.services {
  position: relative;
  text-align: center;
  padding: 86px 0 102px;
  isolation: isolate;
}

.services::before,
.cta::before {
  content: none;
}

.services h2,
.cta h2 {
  margin: 10px 0 4px;
  font-size: clamp(32px, 4.5vw, 50px);
  line-height: 1.1;
}

.subtitle,
.cta p {
  margin-top: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: clamp(18px, 2vw, 24px);
}

.services > h2,
.cta h2 {
  color: #ffffff;
}

.service-grid {
  margin-top: 52px;
}

.service {
  text-align: left;
}

.more {
  display: inline-block;
  margin-top: 50px;
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
  font-size: 24px;
}

.cta {
  position: relative;
  padding: 56px 0 116px;
  isolation: isolate;
}

.cta-box {
  text-align: center;
  padding-top: 28px;
}

.contact {
  padding: 48px 0 104px;
}

.contact h2 {
  margin: 8px 0 4px;
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.1;
  color: #ffffff;
  text-align: center;
}

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

.contact-grid {
  margin-top: 46px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 30px;
}

.contact-form,
.contact-actions {
  background: #ffffff;
}

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

.contact-form label {
  font-size: 14px;
  font-weight: 600;
  color: #111827;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid #d1d5db;
  border-radius: 10px;
  padding: 12px 13px;
  font-family: inherit;
  font-size: 15px;
  color: #111827;
  background: #ffffff;
}

.contact-form textarea {
  min-height: 170px;
  line-height: 1.5;
  resize: none;
  overflow-y: auto;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: #38bdf8;
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
}

.contact-send {
  margin-top: 14px;
  font-size: 19px;
  padding: 12px 24px;
}

.contact-actions h3 {
  margin: 0 0 12px;
  font-size: 22px;
}

.quick-link {
  display: inline-block;
  width: 100%;
  margin-bottom: 10px;
  padding: 12px 14px;
  border-radius: 10px;
  text-align: center;
  text-decoration: none;
  font-weight: 700;
}

.whatsapp-link {
  background: #25d366;
  color: #0b0b0b;
}

.mail-link {
  background: #111827;
  color: #ffffff;
}

.contact-actions p {
  margin: 7px 0;
  color: #374151;
}

.contact-actions p a {
  color: #0b0b0b;
  font-weight: 600;
  text-decoration: none;
}

.about-main {
  padding: 72px 0 104px;
}

.about-hero {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.98) 0%, rgba(242, 249, 255, 0.95) 100%);
}

.about-kicker {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.3px;
  color: #0369a1;
  background: rgba(56, 189, 248, 0.16);
  margin-bottom: 12px;
}

.about-title {
  margin: 0 0 10px;
  font-size: clamp(32px, 4.6vw, 50px);
  line-height: 1.08;
}

.about-lead {
  margin: 0;
  font-size: 20px;
  line-height: 1.85;
  color: #4b5563;
  max-width: 62ch;
}

.about-grid {
  margin-top: 40px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
}

.about-body p {
  margin: 0 0 20px;
  font-size: 18px;
  line-height: 1.96;
  color: #1f2937;
}

.about-side h3,
.about-block h3 {
  margin: 0 0 10px;
  font-size: 22px;
}

.about-list {
  margin: 0;
  padding-left: 18px;
  color: #374151;
  line-height: 1.8;
}

.about-list li + li {
  margin-top: 8px;
}

.about-section {
  margin-top: 36px;
}

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

.about-card,
.about-step,
.about-side,
.about-body,
.about-hero {
  transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
}

.about-card:hover,
.about-step:hover,
.about-side:hover,
.about-body:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(8, 17, 34, 0.14);
  border-color: rgba(56, 189, 248, 0.35);
}

.about-card h4 {
  margin: 0 0 6px;
  font-size: 17px;
}

.about-card p {
  margin: 0;
  color: #5b6473;
  line-height: 1.6;
}

.about-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.about-step {
  background: rgba(255, 255, 255, 0.94);
}

.about-step .num {
  display: inline-flex;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: #ffffff;
  background: linear-gradient(135deg, #38bdf8 0%, #0ea5e9 100%);
  margin-bottom: 10px;
}

.about-step h4 {
  margin: 0 0 6px;
  font-size: 16px;
}

.about-step p {
  margin: 0;
  font-size: 14px;
  color: #4b5563;
  line-height: 1.55;
}

.about-cta {
  margin-top: 44px;
  text-align: center;
  transition: transform 0.24s ease;
}

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

.about-cta p {
  margin: 0 0 26px;
  color: #4b5563;
  font-size: 18px;
  line-height: 1.8;
}

.site-footer {
  width: 100%;
  margin-top: 56px;
  background: rgba(8, 17, 34, 0.92);
  border-top: 1px solid rgba(56, 189, 248, 0.35);
}

.footer-inner {
  width: min(1120px, 92%);
  margin: 0 auto;
  padding: 42px 0 30px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 34px;
  color: #ffffff;
  font-size: 15px;
}

.footer-col h4 {
  margin: 0 0 8px;
  font-size: 14px;
  letter-spacing: 0.4px;
  color: var(--accent);
}

.footer-col p,
.footer-col a {
  margin: 0 0 6px;
  color: #d1d5db;
  text-decoration: none;
}

.footer-col a:hover {
  color: #ffffff;
}

.footer-copy {
  grid-column: 1 / -1;
  margin-top: 6px;
  padding-top: 12px;
  border-top: 1px solid rgba(56, 189, 248, 0.25);
  color: #9ca3af;
  font-size: 13px;
}

.mobile-phone-cta {
  display: none;
}

.reveal {
  --reveal-y: 34px;
  --hover-transform: translateY(0) scale(1);
  opacity: 0;
  transform: translateY(var(--reveal-y)) var(--hover-transform);
  filter: blur(3px);
  transition: opacity 0.7s ease, transform 0.7s ease, filter 0.7s ease;
}

.reveal.visible {
  --reveal-y: 0px;
  opacity: 1;
  filter: blur(0);
}

@media (max-width: 900px) {
  body {
    background:
      radial-gradient(circle at 50% -12%, rgba(255, 255, 255, 0.18) 0%, rgba(255, 255, 255, 0.05) 42%, rgba(8, 17, 34, 0) 72%),
      #0b1220;
  }

  .topbar::before {
    height: 2px;
  }

  .hero-copy,
  .hero-visual,
  .features {
    transform: none;
  }

  .nav-wrap {
    flex-direction: column;
    padding: 14px 0 16px;
    gap: 10px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .hero {
    padding: 44px 0 40px;
  }

  .hero-copy h1 {
    font-size: clamp(30px, 10.4vw, 44px);
    line-height: 1.08;
  }

  .hero-copy p {
    margin: 22px 0 28px;
    font-size: clamp(19px, 5.2vw, 27px);
    line-height: 1.45;
    max-width: none;
  }

  .hero-copy small {
    margin-top: 16px;
    font-size: clamp(15px, 4.1vw, 19px);
  }

  .hero-visual {
    height: 246px;
    border-radius: 16px;
  }

  .features,
  .service-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .features {
    margin-top: 34px;
  }

  .card {
    padding: 22px;
    border-radius: 14px;
  }

  .card h3 {
    font-size: 17px;
  }

  .card p {
    font-size: 15px;
    line-height: 1.55;
  }

  .services {
    padding: 42px 0 56px;
  }

  .services h2,
  .cta h2 {
    font-size: clamp(30px, 9.4vw, 42px);
  }

  .subtitle,
  .cta p {
    font-size: clamp(18px, 5.1vw, 24px);
    line-height: 1.35;
  }

  .more {
    margin-top: 30px;
    font-size: clamp(22px, 6.7vw, 32px);
  }

  .cta {
    padding: 30px 0 66px;
  }

  .cta-box {
    padding-top: 6px;
  }

  .logo-text {
    font-size: 19px;
    letter-spacing: 0.2px;
  }

  .nav {
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px 14px;
  }

  .nav a {
    font-size: 15px;
    padding: 6px 10px;
  }

  .nav a.phone {
    display: none;
  }

  .btn {
    width: min(100%, 360px);
    text-align: center;
    font-size: clamp(18px, 5.8vw, 22px);
    padding: 13px 24px;
    border-radius: 999px;
  }

  .mini:hover,
  .service:hover,
  .mini:active,
  .service:active {
    --hover-transform: translateY(-2px) scale(1.03);
  }

  .reveal {
    --reveal-y: 24px;
    filter: blur(1px);
  }

  .footer-inner {
    width: min(1120px, 94%);
    grid-template-columns: 1fr;
    gap: 16px;
    text-align: center;
    font-size: 14px;
    padding: 26px 0 20px;
  }

  .footer-copy {
    margin-top: 2px;
  }

  .mobile-phone-cta {
    display: inline-block;
    width: 100%;
    margin-top: 6px;
    text-decoration: none;
    text-align: center;
    font-weight: 700;
    font-size: 16px;
    color: #081122;
    background: linear-gradient(135deg, #38bdf8 0%, #0ea5e9 100%);
    border-radius: 999px;
    padding: 12px 18px;
  }

  .about-grid,
  .about-cards,
  .about-steps {
    grid-template-columns: 1fr;
  }

  .about-main {
    padding: 42px 0 66px;
  }

  .about-lead {
    font-size: 18px;
  }

  .about-body p {
    font-size: 17px;
  }
}

@media (max-width: 600px) {
  .container {
    width: min(1120px, 94%);
  }

  .logo-mark {
    font-size: 30px;
  }

  .logo-text {
    font-size: 18px;
  }

  .nav {
    gap: 6px 10px;
  }

  .nav a {
    font-size: 14px;
  }

  .hero {
    padding-top: 30px;
  }

  .hero-copy h1 {
    font-size: clamp(28px, 9.8vw, 36px);
  }

  .hero-copy p {
    font-size: clamp(18px, 5.1vw, 22px);
  }

  .hero-visual {
    height: 214px;
  }

  .monitor-screen {
    min-height: 140px;
    padding: 9px;
    gap: 8px;
  }

  .btn {
    width: 100%;
    font-size: clamp(18px, 5.8vw, 22px);
  }

  .card {
    padding: 20px;
  }

  .services {
    padding-top: 30px;
  }

  .more {
    font-size: clamp(20px, 6.4vw, 26px);
  }

  .contact {
    padding: 24px 0 54px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .contact h2 {
    font-size: clamp(28px, 8.6vw, 36px);
  }

  .contact-send {
    font-size: clamp(18px, 5.8vw, 22px);
  }

  .contact-form textarea {
    min-height: 130px;
  }
}