/* ===== Design Tokens ===== */
:root {
  --blue: #2563eb;
  --blue-dark: #1e3a8a;
  --blue-light: #eff4ff;
  --teal: #14b8a6;
  --ink: #0f172a;
  --slate: #475569;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #ffffff;
  --bg-soft: #f8fafc;
  --radius: 14px;
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, .06);
  --shadow: 0 12px 30px rgba(15, 23, 42, .10);
  --shadow-lg: 0 24px 60px rgba(37, 99, 235, .18);
  --container: 1180px;
  --t: .28s cubic-bezier(.4, 0, .2, 1);
}

/* ===== Reset ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5 { font-family: 'Poppins', sans-serif; line-height: 1.2; font-weight: 700; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 22px; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 13px 28px; border-radius: 50px; font-weight: 600;
  font-family: 'Poppins', sans-serif; font-size: .95rem; cursor: pointer;
  border: 2px solid transparent; transition: var(--t); white-space: nowrap;
}
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 8px 20px rgba(37, 99, 235, .35); }
.btn-primary:hover { background: var(--blue-dark); transform: translateY(-2px); box-shadow: 0 12px 26px rgba(37, 99, 235, .45); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .6); }
.btn-ghost:hover { background: #fff; color: var(--blue-dark); border-color: #fff; }

/* ===== Top Bar ===== */
.topbar { background: var(--ink); color: #cbd5e1; font-size: .82rem; }
.topbar-inner { display: flex; justify-content: space-between; align-items: center; height: 40px; }
.topbar-contact { display: flex; gap: 22px; }
.topbar-contact a { display: inline-flex; align-items: center; gap: 7px; transition: var(--t); }
.topbar-contact a:hover { color: #fff; }
.topbar-contact .ico { color: var(--blue); }
.topbar-social { display: flex; gap: 8px; }
.soc {
  width: 28px; height: 28px; border-radius: 50%; background: rgba(255, 255, 255, .08);
  display: grid; place-items: center; font-size: .72rem; font-weight: 700; color: #cbd5e1;
  transition: var(--t); text-transform: lowercase;
}
.soc:hover { background: var(--blue); color: #fff; transform: translateY(-2px); }

/* ===== Header ===== */
.header {
  position: sticky; top: 0; z-index: 100; background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); transition: var(--t);
}
.header.scrolled { box-shadow: var(--shadow-sm); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 11px; font-family: 'Poppins', sans-serif; }
.brand-mark {
  width: 40px; height: 40px; border-radius: 11px;
  background: linear-gradient(135deg, var(--blue), var(--teal));
  color: #fff; display: grid; place-items: center; font-weight: 800; font-size: 1.3rem;
  box-shadow: 0 6px 14px rgba(37, 99, 235, .4);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-name { font-size: 1.3rem; font-weight: 700; letter-spacing: -.2px; }
.seg-in { color: var(--ink); }
.seg-deca { color: var(--blue); }
.seg-byte { color: var(--teal); }
.brand-sub { font-size: .58rem; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; color: var(--muted); margin-top: 2px; }
.nav { display: flex; align-items: center; gap: 6px; }
.nav-link {
  padding: 9px 16px; border-radius: 8px; font-weight: 500; font-size: .95rem;
  color: var(--slate); transition: var(--t); position: relative;
}
.nav-link:hover { color: var(--blue); background: var(--blue-light); }
.nav-link.active { color: var(--blue); }
.nav-cta { background: var(--blue); color: #fff !important; margin-left: 8px; }
.nav-cta:hover { background: var(--blue-dark); color: #fff !important; }
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.hamburger span { width: 26px; height: 3px; background: var(--ink); border-radius: 3px; transition: var(--t); }
.hamburger.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ===== Hero ===== */
.hero { position: relative; overflow: hidden; }
.slides { position: relative; height: 600px; }
.slide {
  position: absolute; inset: 0; display: flex; align-items: center;
  opacity: 0; visibility: hidden; transition: opacity .8s ease;
  background: linear-gradient(120deg, var(--g1), var(--g2));
}
.slide::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(circle at 80% 20%, rgba(255, 255, 255, .14), transparent 45%),
    radial-gradient(circle at 15% 85%, rgba(255, 255, 255, .10), transparent 40%);
}
.slide.active { opacity: 1; visibility: visible; }
.slide-content { position: relative; color: #fff; max-width: 720px; }
.slide-content .eyebrow {
  display: inline-block; font-family: 'Poppins', sans-serif; font-weight: 600; letter-spacing: 1.5px;
  text-transform: uppercase; font-size: .8rem; background: rgba(255, 255, 255, .15);
  padding: 7px 16px; border-radius: 50px; margin-bottom: 22px;
  opacity: 0; transform: translateY(20px); animation: rise .7s .2s forwards;
}
.slide-content h1 {
  font-size: clamp(2.1rem, 5vw, 3.6rem); font-weight: 800; margin-bottom: 20px;
  opacity: 0; transform: translateY(20px); animation: rise .7s .35s forwards;
}
.slide-content .lead {
  font-size: 1.12rem; max-width: 560px; color: rgba(255, 255, 255, .92); margin-bottom: 32px;
  opacity: 0; transform: translateY(20px); animation: rise .7s .5s forwards;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; opacity: 0; transform: translateY(20px); animation: rise .7s .65s forwards; }
@keyframes rise { to { opacity: 1; transform: translateY(0); } }
.slide-nav {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 5;
  width: 50px; height: 50px; border-radius: 50%; border: none; cursor: pointer;
  background: rgba(255, 255, 255, .2); color: #fff; font-size: 1.8rem; line-height: 1;
  display: grid; place-items: center; transition: var(--t); backdrop-filter: blur(4px);
}
.slide-nav:hover { background: #fff; color: var(--blue-dark); }
.slide-nav.prev { left: 22px; }
.slide-nav.next { right: 22px; }
.slide-dots { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); display: flex; gap: 10px; z-index: 5; }
.slide-dots button {
  width: 12px; height: 12px; border-radius: 50%; border: 2px solid #fff; background: transparent;
  cursor: pointer; transition: var(--t); padding: 0;
}
.slide-dots button.active { background: #fff; width: 30px; border-radius: 10px; }

/* ===== Stats ===== */
.stats { background: var(--ink); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; padding: 46px 22px; }
.stat { text-align: center; color: #fff; }
.stat-num { display: block; font-family: 'Poppins', sans-serif; font-size: 2.8rem; font-weight: 800; color: #fff; line-height: 1; }
.stat-num::after { content: '+'; color: var(--blue); }
.stat-label { color: #94a3b8; font-size: .95rem; margin-top: 8px; display: block; }

/* ===== Sections ===== */
.section { padding: 92px 0; }
.why { background: var(--bg-soft); }
.team { background: var(--bg-soft); }
.section-head { text-align: center; max-width: 660px; margin: 0 auto 56px; }
.kicker {
  display: inline-block; font-family: 'Poppins', sans-serif; font-weight: 600; color: var(--blue);
  text-transform: uppercase; letter-spacing: 2px; font-size: .8rem; margin-bottom: 12px;
}
.section-head h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); margin-bottom: 14px; }
.section-sub { color: var(--muted); font-size: 1.05rem; }

/* ===== Service Cards ===== */
.cards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 36px 30px;
  transition: var(--t); position: relative; overflow: hidden;
}
.card::before {
  content: ''; position: absolute; left: 0; top: 0; height: 4px; width: 100%;
  background: var(--c, var(--blue)); transform: scaleX(0); transform-origin: left; transition: var(--t);
}
.card:hover { transform: translateY(-8px); box-shadow: var(--shadow); border-color: transparent; }
.card:hover::before { transform: scaleX(1); }
.card-icon {
  width: 64px; height: 64px; border-radius: 16px; display: grid; place-items: center;
  font-size: 1.7rem; margin-bottom: 22px; background: color-mix(in srgb, var(--c) 14%, white);
}
.card h3 { font-size: 1.25rem; margin-bottom: 12px; }
.card p { color: var(--muted); font-size: .96rem; }

/* ===== Why Us ===== */
.why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.why-text h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); margin-bottom: 14px; }
.why-list { margin: 26px 0 32px; display: grid; gap: 14px; }
.why-list li { display: flex; gap: 13px; align-items: flex-start; color: var(--slate); }
.tick {
  flex: none; width: 26px; height: 26px; border-radius: 50%; background: var(--blue-light);
  color: var(--blue); display: grid; place-items: center; font-weight: 700; font-size: .85rem; margin-top: 1px;
}
.why-features { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.feature {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px;
  transition: var(--t);
}
.feature:hover { box-shadow: var(--shadow); transform: translateY(-5px); }
.feature:nth-child(even) { margin-top: 28px; }
.feature-num { font-family: 'Poppins', sans-serif; font-weight: 800; font-size: 1.7rem; color: var(--blue); opacity: .35; margin-bottom: 10px; }
.feature h4 { font-size: 1.15rem; margin-bottom: 8px; }
.feature p { color: var(--muted); font-size: .9rem; }

/* ===== Team ===== */
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.member {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 20px;
  text-align: center; transition: var(--t);
}
.member:hover { transform: translateY(-7px); box-shadow: var(--shadow); }
.avatar {
  width: 120px; height: 120px; border-radius: 50%; margin: 0 auto 18px; display: grid; place-items: center;
  font-family: 'Poppins', sans-serif; font-weight: 700; font-size: 2.2rem; color: #fff;
  box-shadow: var(--shadow-sm);
}
.avatar-photo { padding: 4px; position: relative; overflow: hidden; }
.avatar-photo img {
  width: 100%; height: 100%; border-radius: 50%; object-fit: cover; object-position: center top;
  border: 3px solid #fff; display: block;
}
.avatar-photo.img-failed { padding: 0; }
.member:hover .avatar-photo img { transform: scale(1.04); }
.avatar-photo img { transition: transform var(--t); }
.member h4 { font-size: 1.12rem; margin-bottom: 4px; }
.member .role { color: var(--blue); font-size: .85rem; font-weight: 600; }
.member .tagline { color: var(--muted); font-size: .82rem; font-style: italic; margin-top: 5px; }
.member-socials { display: flex; justify-content: center; gap: 8px; margin-top: 14px; }
.member-socials .soc { background: var(--bg-soft); color: var(--slate); }
.member-socials .soc:hover { background: var(--blue); color: #fff; }

/* ===== Contact ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 40px; }
.contact-info { display: grid; gap: 22px; align-content: start; }
.office {
  background: var(--bg-soft); border: 1px solid var(--line); border-left: 4px solid var(--blue);
  border-radius: var(--radius); padding: 26px 28px;
}
.office h4 { font-size: 1.2rem; margin-bottom: 12px; display: flex; align-items: center; gap: 10px; }
.office p { color: var(--slate); margin-bottom: 4px; }
.office a:hover { color: var(--blue); }
.contact-form { display: grid; gap: 16px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow-sm); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-form input, .contact-form textarea {
  width: 100%; padding: 14px 16px; border: 1px solid var(--line); border-radius: 10px;
  font-family: inherit; font-size: .96rem; color: var(--ink); transition: var(--t); background: var(--bg-soft);
}
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--blue); background: #fff; box-shadow: 0 0 0 4px var(--blue-light); }
.contact-form textarea { resize: vertical; }
.contact-form .btn { justify-self: start; }
.form-status { font-size: .9rem; font-weight: 500; min-height: 1.2em; }
.form-status.ok { color: #16a34a; }
.form-status.err { color: #dc2626; }

/* ===== Footer ===== */
.footer { background: var(--ink); color: #cbd5e1; padding-top: 64px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 40px; padding-bottom: 48px; }
.brand-footer .seg-in { color: #fff; }
.brand-footer .seg-deca { color: #60a5fa; }
.brand-footer .seg-byte { color: #2dd4bf; }
.brand-footer .brand-sub { color: #94a3b8; }
.footer-about { margin: 18px 0 20px; font-size: .92rem; color: #94a3b8; max-width: 320px; }
.footer-social { gap: 10px; }
.footer-col h5 { color: #fff; font-size: 1.05rem; margin-bottom: 18px; font-family: 'Poppins', sans-serif; }
.footer-col ul { display: grid; gap: 11px; }
.footer-col ul a, .footer-contact li { color: #94a3b8; font-size: .92rem; transition: var(--t); }
.footer-col ul a:hover { color: var(--blue); padding-left: 4px; }
.footer-contact { display: grid; gap: 11px; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .08); }
.footer-bottom-inner { display: flex; justify-content: space-between; align-items: center; padding: 22px; font-size: .86rem; color: #94a3b8; }
.footer-links { display: flex; gap: 22px; }
.footer-links a:hover { color: #fff; }

/* ===== Back to Top ===== */
.to-top {
  position: fixed; right: 24px; bottom: 24px; width: 48px; height: 48px; border-radius: 50%;
  background: var(--blue); color: #fff; display: grid; place-items: center; font-size: 1.3rem;
  box-shadow: var(--shadow); opacity: 0; visibility: hidden; transform: translateY(16px);
  transition: var(--t); z-index: 90;
}
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { background: var(--blue-dark); transform: translateY(-3px); }

/* ===== Reveal Animation ===== */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== Responsive ===== */
@media (max-width: 980px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: 1fr; gap: 40px; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 760px) {
  .topbar-contact { gap: 14px; font-size: .76rem; }
  .topbar-contact a span.ico { display: none; }
  .nav {
    position: fixed; top: 112px; right: 0; height: calc(100vh - 112px); width: min(80vw, 320px);
    background: #fff; flex-direction: column; align-items: stretch; gap: 4px; padding: 24px;
    box-shadow: -12px 0 40px rgba(15, 23, 42, .12); transform: translateX(100%); transition: transform var(--t);
  }
  .nav.open { transform: translateX(0); }
  .nav-link { padding: 14px 16px; font-size: 1.05rem; }
  .nav-cta { margin-left: 0; text-align: center; margin-top: 8px; }
  .hamburger { display: flex; }
  .slides { height: 540px; }
  .slide-nav { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 30px; }
  .section { padding: 64px 0; }
  .why-features { gap: 16px; }
  .feature:nth-child(even) { margin-top: 0; }
}
@media (max-width: 540px) {
  .topbar-contact { display: none; }
  .topbar-inner { justify-content: center; }
  .cards-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .why-features { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom-inner { flex-direction: column; gap: 12px; text-align: center; }
  .slide-content h1 { font-size: 2rem; }
}