:root {
  --bg: #f8fbff;
  --bg-2: #ffffff;
  --surface: #ffffff;
  --surface-2: #f1f5f9;
  --text: #0f172a;
  --muted: #475569;
  --primary: #2563eb;
  --primary-2: #06b6d4;
  --accent: #f59e0b;
  --border: rgba(15, 23, 42, 0.08);
  --radius: 16px;
  --shadow: 0 20px 50px rgba(15, 23, 42, 0.08);
  --container: 1180px;
}

body.dark {
  --bg: #0b1020;
  --bg-2: #0f1730;
  --surface: #131c38;
  --surface-2: #1a2547;
  --text: #e8ecf6;
  --muted: #9aa6c4;
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Inter", system-ui, sans-serif;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.08), rgba(37, 99, 235, 0.05)), var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.25s ease, color 0.25s ease;
}

h1, h2, h3, h4 { font-family: "Poppins", sans-serif; line-height: 1.2; margin: 0 0 0.5em; }

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

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

.container { width: min(100% - 2.5rem, var(--container)); margin-inline: auto; }

.section { padding: 96px 0; }

.center { text-align: center; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  font-weight: 600;
  font-family: "Poppins", sans-serif;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-sm { padding: 0.55rem 1.1rem; font-size: 0.85rem; }
.btn-block { width: 100%; justify-content: center; }
.btn-primary {
  background: linear-gradient(120deg, var(--primary), var(--primary-2));
  color: #04122b;
  box-shadow: 0 12px 26px rgba(34, 211, 238, 0.28);
}
.btn-ghost { background: transparent; border-color: var(--border); color: var(--text); }
.btn-ghost:hover { background: var(--surface-2); }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04);
}
body.dark .site-header {
  background: rgba(11, 16, 32, 0.88);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 1rem; position: relative; }

.brand { display: inline-flex; align-items: center; gap: 0.7rem; font-family: "Poppins", sans-serif; font-weight: 700; }
.brand-logo {
  width: 42px;
  height: 42px;
  object-fit: contain;
  border-radius: 10px;
  display: block;
}
.brand-text { font-size: 1.05rem; color: var(--text); }
.brand-text em { color: var(--primary-2); font-style: normal; font-weight: 600; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-left: auto;
  margin-right: 0.5rem;
}
.main-nav a {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.3rem 0;
  position: relative;
  transition: color 0.15s ease;
}
.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--primary);
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.2rem;
  width: 0;
  height: 2px;
  background: linear-gradient(120deg, var(--primary), var(--primary-2));
  transition: width 0.2s ease;
}
.main-nav a:hover::after,
.main-nav a:focus-visible::after {
  width: 100%;
}
.main-nav .nav-cta {
  color: #ffffff;
  background: linear-gradient(120deg, var(--primary), var(--primary-2));
  border-color: transparent;
  box-shadow: 0 8px 18px rgba(37, 99, 235, 0.18);
  font-weight: 700;
  padding: 0.62rem 1rem;
  border-radius: 999px;
}

.main-nav .nav-cta:hover {
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(37, 99, 235, 0.24);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-left: 0.35rem;
}
.theme-toggle {
  width: 40px; height: 40px; border: 1px solid var(--border); border-radius: 50%;
  background: var(--surface); color: var(--text); cursor: pointer; display: grid; place-items: center;
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.06);
}
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--text); margin: 5px 0; transition: 0.25s; }

/* Hero */
.hero {
  padding: 88px 0 74px;
  overflow: hidden;
  position: relative;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top left, rgba(34, 211, 238, 0.16), transparent 32%);
  pointer-events: none;
}
.hero-inner { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 3rem; align-items: center; }
.hero-copy { position: relative; z-index: 1; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.55rem 0.85rem;
  border-radius: 999px;
  margin-bottom: 1rem;
  font-weight: 600;
  font-size: 0.86rem;
  color: var(--primary);
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.14);
}
.hero-trust {
  display: flex; flex-wrap: wrap; gap: 0.75rem; margin: 0 0 1.25rem;
}
.hero-trust span {
  display: inline-flex; align-items: center; gap: 0.35rem;
  padding: 0.5rem 0.8rem; border-radius: 999px;
  background: rgba(34, 211, 238, 0.1); border: 1px solid rgba(34, 211, 238, 0.16);
  color: var(--muted); font-size: 0.9rem;
}
.eyebrow {
  text-transform: uppercase; letter-spacing: 0.18em; font-size: 0.78rem;
  color: var(--primary-2); font-weight: 600; margin: 0 0 0.8rem;
}
.hero h1 {
  font-size: clamp(1.95rem, 4.2vw, 3.1rem);
  font-weight: 700;
  line-height: 1.15;
  max-width: 11ch;
}
.hero h1 span { background: linear-gradient(120deg, var(--primary-2), var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { color: var(--muted); font-size: 1rem; max-width: 52ch; }
.hero-actions { display: flex; gap: 1rem; margin: 1.5rem 0 1.9rem; flex-wrap: wrap; }
.hero-stats { list-style: none; display: flex; gap: 2.5rem; padding: 0; margin: 0; }
.hero-stats li { display: flex; flex-direction: column; }
.hero-stats strong { font-family: "Poppins", sans-serif; font-size: 1.8rem; color: var(--text); }
.hero-stats span { color: var(--muted); font-size: 0.85rem; }

.hero-visual { position: relative; display: grid; place-items: center; }
.glow { position: absolute; inset: 0; background: radial-gradient(circle at center, rgba(34, 211, 238, 0.2), transparent 70%); filter: blur(20px); }
.hero-feature-card {
  position: relative;
  width: 100%; max-width: 420px;
  background: linear-gradient(145deg, rgba(255,255,255,0.98), rgba(241,248,255,0.95));
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: 1.2rem;
  overflow: hidden;
}
body.dark .hero-feature-card {
  background: linear-gradient(145deg, rgba(19,28,56,0.96), rgba(26,37,71,0.92));
}
.hero-feature-header {
  display: flex; gap: 0.45rem; margin-bottom: 1rem;
}
.hero-feature-header span {
  width: 10px; height: 10px; border-radius: 50%; background: #ff5f56;
}
.hero-feature-header span:nth-child(2) { background: #ffbd2e; }
.hero-feature-header span:nth-child(3) { background: #27c93f; }
.hero-feature-main {
  border-radius: 18px;
  padding: 1.2rem;
  background: linear-gradient(135deg, rgba(37,99,235,0.14), rgba(6,182,212,0.1));
}
.hero-feature-badge {
  display: inline-flex;
  padding: 0.42rem 0.7rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.75);
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 700;
  margin-bottom: 0.9rem;
}
.hero-feature-main h3 {
  font-size: 1.25rem;
  margin-bottom: 0.8rem;
  color: var(--text);
}
.hero-feature-main ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
  display: grid;
  gap: 0.45rem;
}

/* Section heads */
.section-head { margin-bottom: 3rem; }
.section-head.center { text-align: center; max-width: 640px; margin-inline: auto; }
.kicker { text-transform: uppercase; letter-spacing: 0.18em; font-size: 0.78rem; color: var(--primary-2); font-weight: 600; margin: 0 0 0.75rem; }
.section-head h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
.section-sub { color: var(--muted); }

/* About */
.about-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 3rem; align-items: start; }
.about-body p { color: var(--muted); margin-bottom: 1.25rem; }

/* Services */
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.service-card {
  background: linear-gradient(160deg, var(--surface), var(--bg-2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.service-card:hover { transform: translateY(-6px); border-color: rgba(34, 211, 238, 0.4); }
.service-icon {
  width: 52px; height: 52px;
  display: grid; place-items: center;
  font-size: 1.5rem; border-radius: 13px;
  background: var(--surface-2);
  margin-bottom: 1.1rem;
}
.service-card h3 { font-size: 1.15rem; }
.service-card ul { margin: 0.75rem 0 0; padding-left: 1.1rem; color: var(--muted); font-size: 0.92rem; }
.service-card li { margin-bottom: 0.45rem; }

/* Works */
.works-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.work-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.work-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.work-thumb {
  height: 170px;
  display: grid; place-items: center;
  font-family: "Poppins", sans-serif; font-weight: 800; font-size: 2.4rem;
  color: #fff;
  background: linear-gradient(135deg, var(--c1), var(--c2));
  letter-spacing: 0.05em;
}
.work-meta { padding: 1.1rem 1.25rem; display: flex; justify-content: space-between; align-items: center; }
.work-meta h3 { font-size: 1.05rem; margin: 0; }
.work-meta span { color: var(--muted); font-size: 0.8rem; }

/* Blog */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-bottom: 2.5rem; }
.post-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  transition: transform 0.2s ease;
}
.post-card:hover { transform: translateY(-6px); }
.post-thumb { height: 150px; background: linear-gradient(135deg, var(--c1), var(--c2)); }
.post-body { padding: 1.25rem 1.4rem 1.5rem; }
.post-tag {
  display: inline-block; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--primary-2); background: rgba(34, 211, 238, 0.1);
  padding: 0.3rem 0.7rem; border-radius: 999px; margin-bottom: 0.8rem;
}
.post-body h3 { font-size: 1.05rem; }
.post-body h3 a:hover { color: var(--primary-2); }
.post-meta { color: var(--muted); font-size: 0.85rem; margin: 0.6rem 0 0; }

/* Trust */
.trust-cards {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem;
}
.trust-card {
  background: linear-gradient(160deg, var(--surface), var(--bg-2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.16);
}
.trust-card:hover {
  transform: translateY(-6px);
  border-color: rgba(34, 211, 238, 0.4);
  box-shadow: var(--shadow);
}
.trust-card h3 {
  font-size: 1.08rem;
  margin-bottom: 0.7rem;
  color: var(--text);
}
.trust-card p {
  color: var(--muted);
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.7;
}

/* Contact */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 3rem; align-items: start; }
.contact-intro { color: var(--muted); max-width: 56ch; margin: 0.5rem 0 0; }
.contact-list { list-style: none; padding: 0; margin: 1.5rem 0 0; display: grid; gap: 1.25rem; }
.contact-list li { display: flex; gap: 1rem; align-items: flex-start; }
.ci-icon {
  width: 46px; height: 46px; flex: none;
  display: grid; place-items: center; font-size: 1.2rem;
  background: var(--surface-2); border-radius: 12px;
}
.contact-list strong { display: block; font-family: "Poppins", sans-serif; }
.contact-list a, .contact-list span { color: var(--muted); }
.contact-list a:hover { color: var(--primary-2); }

.contact-form {
  background: linear-gradient(160deg, var(--surface), var(--bg-2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}
.contact-form h3 { margin-bottom: 1.25rem; }
.field { margin-bottom: 1.1rem; }
.field label { display: block; font-size: 0.85rem; color: var(--muted); margin-bottom: 0.4rem; }
.field input, .field select, .field textarea {
  width: 100%; padding: 0.8rem 1rem;
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: 10px; color: var(--text); font-family: inherit; font-size: 0.95rem;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--primary-2); box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.15);
}
.form-note { margin: 1rem 0 0; font-size: 0.9rem; color: var(--primary-2); min-height: 1.2em; }

/* Newsletter */
.newsletter { padding: 60px 0; background: linear-gradient(120deg, rgba(59, 130, 246, 0.14), rgba(34, 211, 238, 0.08)); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.newsletter-inner { display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.newsletter h2 { margin-bottom: 0.3rem; }
.newsletter p { color: var(--muted); margin: 0; }
.news-form { display: flex; gap: 0.6rem; flex-wrap: wrap; }
.news-form input {
  padding: 0.8rem 1rem; border-radius: 999px; border: 1px solid var(--border);
  background: var(--bg-2); color: var(--text); min-width: 180px;
}
.news-form input:focus { outline: none; border-color: var(--primary-2); }

/* Footer */
.site-footer {
  background: #0b1f3a;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: #f8fbff;
}
body.dark .site-footer {
  background: #08172d;
  color: #f8fbff;
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1.2fr; gap: 2.5rem; padding: 64px 0 40px; }
.footer-brand .brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 0.9rem;
}
.footer-brand .brand-text {
  color: #ffffff;
  font-size: 1.05rem;
  font-weight: 700;
}
.footer-brand .brand-text em {
  color: #7dd3fc;
  font-weight: 600;
}
.footer-brand p { color: rgba(248, 251, 255, 0.8); margin: 1rem 0 1.25rem; max-width: 34ch; }
.socials { display: flex; gap: 0.75rem; }
.socials a {
  width: 40px; height: 40px; display: grid; place-items: center;
  border-radius: 10px; background: rgba(255, 255, 255, 0.12); color: #ffffff; font-weight: 700;
  transition: background 0.2s, transform 0.2s;
}
.socials a:hover { background: var(--primary); color: #04122b; transform: translateY(-2px); }
.footer-links h4, .footer-contact h4 { margin-bottom: 1rem; color: #ffffff; }
.footer-links ul, .footer-contact ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.6rem; color: rgba(248, 251, 255, 0.8); }
.footer-links a { color: rgba(248, 251, 255, 0.85); }
.footer-links a:hover { color: var(--primary-2); }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.12); padding: 1.25rem 0; }
.footer-bottom p { margin: 0; color: rgba(248, 251, 255, 0.8); font-size: 0.88rem; text-align: center; }

/* Back to top */
.to-top {
  position: fixed; right: 22px; bottom: 22px;
  width: 46px; height: 46px; border-radius: 50%;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #ffffff; font-weight: 800; font-size: 1.2rem;
  box-shadow: var(--shadow);
  opacity: 0; pointer-events: none; transform: translateY(10px);
  transition: 0.25s;
}
.to-top.show { opacity: 1; pointer-events: auto; transform: translateY(0); }

.whatsapp-float {
  position: fixed;
  right: 22px;
  bottom: 88px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #25d366, #1ebc5d);
  color: #ffffff;
  box-shadow: 0 16px 32px rgba(37, 211, 102, 0.28);
  z-index: 60;
  animation: floatUp 2s ease-in-out infinite;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.whatsapp-float:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 20px 36px rgba(37, 211, 102, 0.35);
}
.whatsapp-float svg {
  width: 28px;
  height: 28px;
  fill: currentColor;
}

@keyframes floatUp {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* Reveal animation */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* Responsive */
@media (max-width: 960px) {
  .hero-inner, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .service-grid, .works-grid, .blog-grid, .trust-cards { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-visual { order: -1; }
}

@media (max-width: 720px) {
  .section { padding: 64px 0; }
  .main-nav {
    position: absolute;
    top: calc(100% + 0.7rem);
    right: 1rem;
    left: 1rem;
    margin: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 0.9rem 1rem 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.25s ease, opacity 0.25s ease;
  }
  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .main-nav a {
    width: 100%;
    padding: 0.75rem 0;
  }
  .main-nav .nav-cta {
    margin-top: 0.25rem;
    width: auto;
  }
  .nav-toggle { display: block; }
  .service-grid, .works-grid, .blog-grid, .trust-cards, .footer-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 1.5rem; }
  .newsletter-inner { flex-direction: column; align-items: flex-start; }
}