/* ============================================
   Polosinc Solution — Design System
   ============================================ */

:root {
  --bg: #05070f;
  --bg-elevated: #090d1a;
  --navy: #0b1224;
  --surface: rgba(12, 18, 36, 0.72);
  --surface-strong: rgba(16, 24, 48, 0.88);
  --border: rgba(148, 163, 184, 0.14);
  --border-strong: rgba(148, 163, 184, 0.28);
  --text: #f8fafc;
  --text-muted: #94a3b8;
  --text-soft: #cbd5e1;
  --blue: #4f8cff;
  --purple: #8b5cf6;
  --cyan: #22d3ee;
  --pink: #d946ef;
  --success: #34d399;
  --danger: #fb7185;
  --gradient: linear-gradient(135deg, #4f8cff 0%, #8b5cf6 50%, #22d3ee 100%);
  --gradient-soft: linear-gradient(135deg, rgba(79, 140, 255, 0.18), rgba(139, 92, 246, 0.14), rgba(34, 211, 238, 0.1));
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  --shadow-hover: 0 28px 70px rgba(79, 140, 255, 0.16);
  --radius: 20px;
  --radius-sm: 12px;
  --header-h: 76px;
  --container: 1160px;
  --font: "Plus Jakarta Sans", system-ui, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  min-height: 100vh;
  overflow-x: hidden;
}

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

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

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

ul,
ol {
  list-style: none;
}

.container {
  width: min(calc(100% - 40px), var(--container));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -48px;
  background: var(--blue);
  color: #061018;
  padding: 8px 14px;
  border-radius: 8px;
  z-index: 100;
  font-weight: 700;
}

.skip-link:focus {
  top: 12px;
}

/* Background */

.page-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(79, 140, 255, 0.16), transparent 50%),
    radial-gradient(900px 500px at 90% 0%, rgba(139, 92, 246, 0.14), transparent 46%),
    var(--bg);
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.55;
  animation: drift 18s var(--ease) infinite alternate;
}

.orb-1 {
  width: 420px;
  height: 420px;
  background: #4f8cff;
  top: -120px;
  left: -80px;
}

.orb-2 {
  width: 360px;
  height: 360px;
  background: #8b5cf6;
  top: 20%;
  right: -120px;
  animation-duration: 22s;
}

.orb-3 {
  width: 300px;
  height: 300px;
  background: #22d3ee;
  bottom: 8%;
  left: 30%;
  opacity: 0.28;
  animation-duration: 26s;
}

@keyframes drift {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(40px, 30px, 0) scale(1.08); }
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  z-index: 80;
  background: var(--gradient);
  box-shadow: 0 0 16px rgba(79, 140, 255, 0.7);
}

/* Typography */

h1,
h2,
h3 {
  letter-spacing: -0.035em;
  line-height: 1.15;
}

h1 {
  font-size: clamp(2.15rem, 4.6vw, 4.1rem);
  font-weight: 800;
  max-width: 16ch;
}

h2 {
  font-size: clamp(1.7rem, 3vw, 2.6rem);
  font-weight: 800;
  margin-bottom: 14px;
}

h3 {
  font-size: 1.12rem;
  font-weight: 700;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--cyan);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.eyebrow-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 6px rgba(34, 211, 238, 0.16);
  animation: pulse 2.2s ease-in-out infinite;
}

@keyframes pulse {
  50% { box-shadow: 0 0 0 10px rgba(34, 211, 238, 0.05); }
}

.section-intro,
.hero-lead {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 62ch;
}

.section {
  padding: 108px 0;
}

.section-head {
  margin-bottom: 48px;
  max-width: 720px;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  cursor: pointer;
  border-radius: 999px;
  padding: 13px 24px;
  font-weight: 700;
  font-size: 0.95rem;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease);
}

.btn-primary {
  color: #061018;
  background: var(--gradient);
  background-size: 180% 180%;
  box-shadow: 0 10px 30px rgba(79, 140, 255, 0.28);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(139, 92, 246, 0.32);
}

.btn-ghost {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-strong);
}

.btn-ghost:hover {
  transform: translateY(-2px);
  border-color: rgba(34, 211, 238, 0.45);
  background: rgba(255, 255, 255, 0.07);
}

.btn-lg {
  padding: 15px 28px;
}

.btn-full {
  width: 100%;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--cyan);
  font-weight: 700;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  font-size: 0.92rem;
}

.text-link i {
  transition: transform 0.25s var(--ease);
}

.text-link:hover i {
  transform: translateX(4px);
}

/* Glass */

.glass-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.glass-card:hover {
  transform: translateY(-6px);
  border-color: rgba(79, 140, 255, 0.35);
  box-shadow: var(--shadow-hover);
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  background: rgba(5, 7, 15, 0.78);
  backdrop-filter: blur(18px);
  border-bottom-color: var(--border);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.25);
}

.navbar {
  width: min(calc(100% - 40px), var(--container));
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  z-index: 60;
}

.logo-mark svg {
  width: 38px;
  height: 38px;
  display: block;
}

.logo-text strong {
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links {
  display: flex;
  gap: 4px;
}

.nav-link {
  display: block;
  padding: 8px 12px;
  color: var(--text-muted);
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: 999px;
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
  position: relative;
  z-index: 60;
}

.nav-toggle span {
  position: absolute;
  left: 12px;
  right: 12px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: 0.25s var(--ease);
}

.nav-toggle span:nth-child(1) { top: 14px; }
.nav-toggle span:nth-child(2) { top: 21px; }
.nav-toggle span:nth-child(3) { top: 28px; }

.nav-toggle.is-open span:nth-child(1) {
  top: 21px;
  transform: rotate(45deg);
}

.nav-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open span:nth-child(3) {
  top: 21px;
  transform: rotate(-45deg);
}

/* Hero */

.hero {
  padding: 48px 0 96px;
  min-height: calc(100vh - var(--header-h));
  display: flex;
  align-items: center;
}

.hero-grid {
  max-width: 780px;
}

.hero-copy h1 {
  max-width: none;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0 32px;
}

.trust-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.trust-pills li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-soft);
  font-size: 0.82rem;
  font-weight: 600;
}

.trust-pills i {
  color: var(--cyan);
}

/* Services */

.services-grid,
.why-grid,
.portfolio-grid,
.testimonial-grid {
  display: grid;
  gap: 20px;
}

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

.service-card,
.why-card {
  padding: 24px;
}

.icon-wrap {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  margin-bottom: 16px;
  background: var(--gradient-soft);
  color: var(--cyan);
  font-size: 1.15rem;
}

.service-card p,
.why-card p,
.project-body p {
  color: var(--text-muted);
  margin: 10px 0 16px;
  font-size: 0.95rem;
}

/* Technologies */

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
  gap: 12px;
}

.tech-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  font-weight: 600;
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.tech-badge:hover {
  transform: translateY(-4px);
  border-color: rgba(34, 211, 238, 0.4);
  background: rgba(255, 255, 255, 0.06);
}

.tech-badge i,
.tech-mono {
  width: 28px;
  text-align: center;
  color: var(--blue);
  font-size: 1.2rem;
}

.tech-mono {
  display: inline-grid;
  place-items: center;
  font-weight: 800;
  color: var(--text);
}

/* Process */

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

.timeline::before {
  content: "";
  position: absolute;
  left: 28px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(var(--blue), var(--purple), var(--cyan));
  opacity: 0.45;
}

.timeline-item {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 18px;
  align-items: stretch;
}

.step-num {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-weight: 800;
  background: var(--navy);
  border: 1px solid var(--border-strong);
  position: relative;
  z-index: 1;
  color: var(--cyan);
}

.timeline-card {
  padding: 22px 24px;
}

.timeline-card h3 {
  margin-bottom: 6px;
}

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

/* Portfolio */

.portfolio-grid {
  grid-template-columns: repeat(3, 1fr);
}

.project-card {
  overflow: hidden;
  padding: 0;
}

.project-media {
  height: 170px;
  position: relative;
  display: flex;
  align-items: flex-end;
  padding: 14px;
}

.project-category {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(5, 7, 15, 0.55);
  border: 1px solid var(--border);
}

.tone-1 { background: linear-gradient(135deg, #1d4ed8, #7c3aed 55%, #0891b2); }
.tone-2 { background: linear-gradient(135deg, #0f766e, #2563eb, #6d28d9); }
.tone-3 { background: linear-gradient(135deg, #0369a1, #4f46e5, #db2777); }
.tone-4 { background: linear-gradient(135deg, #1e3a8a, #0ea5e9, #8b5cf6); }
.tone-5 { background: linear-gradient(135deg, #334155, #6366f1, #22d3ee); }
.tone-6 { background: linear-gradient(135deg, #312e81, #7c3aed, #06b6d4); }

.project-body {
  padding: 20px 22px 22px;
}

/* Why us */

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

.why-card i {
  font-size: 1.2rem;
  color: var(--cyan);
  margin-bottom: 14px;
}

/* Testimonials */

.testimonial-grid {
  grid-template-columns: repeat(3, 1fr);
}

.testimonial-card {
  padding: 26px;
}

.testimonial-card p {
  color: var(--text-soft);
  margin: 14px 0 20px;
}

.stars {
  color: #fbbf24;
  display: flex;
  gap: 4px;
  font-size: 0.85rem;
}

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

.avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 800;
  background: var(--gradient);
  color: #061018;
}

cite {
  font-style: normal;
}

cite strong,
cite span {
  display: block;
}

cite span {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* CTA */

.cta-banner {
  padding: 20px 0 40px;
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 36px 40px;
  border-radius: 28px;
  border: 1px solid var(--border);
  background:
    var(--gradient-soft),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
  box-shadow: var(--shadow);
}

.cta-inner p {
  color: var(--text-muted);
  margin-top: 8px;
  max-width: 52ch;
}

/* Contact */

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 40px;
  align-items: start;
}

.contact-details {
  margin-top: 28px;
  display: grid;
  gap: 16px;
}

.contact-details li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.contact-details i {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--gradient-soft);
  color: var(--cyan);
}

.contact-details span {
  display: block;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.contact-details a,
.contact-details p {
  font-weight: 600;
}

.contact-form {
  padding: 28px;
}

.contact-form:hover {
  transform: none;
}

.form-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-row {
  margin-bottom: 14px;
}

.form-row label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.85rem;
  font-weight: 700;
}

.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(2, 6, 23, 0.45);
  color: var(--text);
  padding: 12px 14px;
  outline: none;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.form-row textarea {
  resize: vertical;
  min-height: 128px;
}

.form-row option {
  background: #0b1224;
  color: #f8fafc;
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  border-color: rgba(79, 140, 255, 0.7);
  box-shadow: 0 0 0 4px rgba(79, 140, 255, 0.12);
}

.form-row.is-invalid input,
.form-row.is-invalid select,
.form-row.is-invalid textarea {
  border-color: var(--danger);
}

.field-error {
  min-height: 18px;
  font-size: 0.78rem;
  color: var(--danger);
  margin-top: 4px;
}

.form-success {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 12px;
  background: rgba(52, 211, 153, 0.1);
  border: 1px solid rgba(52, 211, 153, 0.3);
  color: #bbf7d0;
  font-size: 0.92rem;
}

.form-success a {
  color: var(--cyan);
  font-weight: 700;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 56px 0 0;
  background: rgba(5, 7, 15, 0.7);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  gap: 32px;
  padding-bottom: 40px;
}

.footer-brand p {
  color: var(--text-muted);
  margin: 16px 0 18px;
  max-width: 36ch;
}

.site-footer h3 {
  margin-bottom: 14px;
  font-size: 0.95rem;
}

.site-footer ul {
  display: grid;
  gap: 8px;
}

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

.site-footer a:hover {
  color: var(--text);
}

.socials {
  display: flex;
  gap: 10px;
}

.socials a {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  color: var(--text);
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease);
}

.socials a:hover {
  transform: translateY(-3px);
  border-color: var(--cyan);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 18px 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-bottom p {
  width: min(calc(100% - 40px), var(--container));
  margin-inline: auto;
}

/* Modal */

.modal[hidden] {
  display: none;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: grid;
  place-items: center;
  padding: 20px;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 6, 23, 0.72);
}

.modal-dialog {
  position: relative;
  width: min(560px, 100%);
  padding: 28px;
  z-index: 1;
}

.modal-dialog:hover {
  transform: none;
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 14px;
  width: 36px;
  height: 36px;
  border: 0;
  background: transparent;
  color: var(--text);
  font-size: 1.6rem;
  cursor: pointer;
}

.modal-dialog p {
  color: var(--text-muted);
  margin-bottom: 18px;
}

/* Reveal animations */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  transition-delay: var(--delay, 0ms);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Responsive */

@media (max-width: 1100px) {
  .services-grid,
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 900px) {
  .nav-toggle {
    display: block;
  }

  .nav-menu {
    position: fixed;
    inset: 0 0 auto 0;
    top: 0;
    padding: 92px 24px 28px;
    background: rgba(5, 7, 15, 0.96);
    backdrop-filter: blur(18px);
    flex-direction: column;
    align-items: stretch;
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
    transition: 0.35s var(--ease);
    border-bottom: 1px solid var(--border);
  }

  .nav-menu.is-open {
    transform: none;
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links {
    flex-direction: column;
    gap: 4px;
  }

  .nav-link {
    padding: 12px 8px;
    font-size: 1.05rem;
  }

  .nav-cta {
    width: 100%;
  }

  .portfolio-grid,
  .testimonial-grid,
  .contact-grid,
  .cta-inner,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .cta-inner {
    text-align: left;
  }
}

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

  .section {
    padding: 80px 0;
  }

  .hero {
    padding-top: 24px;
  }

  .services-grid,
  .why-grid,
  .form-split {
    grid-template-columns: 1fr;
  }

  .timeline::before {
    left: 22px;
  }

  .timeline-item {
    grid-template-columns: 44px 1fr;
  }

  .step-num {
    width: 44px;
    height: 44px;
    font-size: 0.85rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}