/* ==========================================================================
   TechNexta Solutions — Main Stylesheet
   Design system: dark premium theme, glassmorphism, blue accents
   ========================================================================== */

/* ---------- Design Tokens ---------- */
:root {
  --color-primary: #3B82F6;
  --color-primary-light: #60A5FA;
  --color-secondary: #1E293B;
  --color-accent: #38BDF8;
  --color-bg: #0F172A;
  --color-bg-alt: #111C33;
  --color-text: #F8FAFC;
  --color-text-muted: #94A3B8;
  --color-card: rgba(255, 255, 255, 0.08);
  --color-card-border: rgba(255, 255, 255, 0.12);
  --color-card-hover: rgba(255, 255, 255, 0.12);

  --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  --gradient-radial: radial-gradient(circle at 50% 0%, rgba(37, 99, 235, 0.25), transparent 60%);

  --font-display: 'Poppins', sans-serif;
  --font-body: 'Poppins', sans-serif;

  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 24px 64px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 0 1px rgba(56, 189, 248, 0.15), 0 8px 32px rgba(37, 99, 235, 0.25);

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  --transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  --container-width: 1240px;
  --header-height: 80px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.65;
  font-size: 16px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea, select { font-family: inherit; }

::selection { background: var(--color-primary); color: #fff; }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-secondary); border-radius: var(--radius-pill); }
::-webkit-scrollbar-thumb:hover { background: var(--color-primary); }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

section { position: relative; padding: 110px 0; }
@media (max-width: 768px) { section { padding: 72px 0; } }

/* ---------- Utility ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 16px;
}
.eyebrow::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--color-accent);
  display: inline-block;
}

.section-head {
  max-width: 680px;
  margin: 0 auto 64px;
  text-align: center;
}
.section-head h2 {
  font-size: clamp(1.9rem, 4vw, 2.75rem);
  margin-bottom: 18px;
}
.section-head p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
}
.section-head.align-left { margin: 0 0 56px; text-align: left; }

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.bg-alt { background: var(--color-bg-alt); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 32px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.35);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 32px rgba(37, 99, 235, 0.5);
}
.btn-outline {
  background: rgba(255, 255, 255, 0.03);
  color: var(--color-text);
  border: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(10px);
}
.btn-outline:hover {
  border-color: var(--color-accent);
  background: rgba(56, 189, 248, 0.08);
  transform: translateY(-3px);
}
.btn-sm { padding: 10px 22px; font-size: 0.85rem; }
.btn-block { width: 100%; }

/* ---------- Preloader ---------- */
#preloader {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--color-bg);
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
#preloader.loaded { opacity: 0; visibility: hidden; }
.loader-mark {
  display: flex; flex-direction: column; align-items: center; gap: 18px;
}
.loader-ring {
  width: 54px; height: 54px;
  border-radius: 50%;
  border: 3px solid rgba(56, 189, 248, 0.15);
  border-top-color: var(--color-accent);
  animation: spin 0.9s linear infinite;
}
.loader-mark span {
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  color: var(--color-text-muted);
  text-transform: uppercase;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Navbar ---------- */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--header-height);
  display: flex; align-items: center;
  background: transparent;
  transition: var(--transition);
  border-bottom: 1px solid transparent;
}
.navbar.scrolled {
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}
.nav-inner {
  width: 100%; max-width: var(--container-width); margin: 0 auto;
  padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.logo {
  display: flex; align-items: center; gap: 14px;
  font-size: 1.3rem; font-weight: 700; letter-spacing: -0.01em;
}
.logo-img {
  height: 60px;
  width: auto;
  display: block;
  object-fit: contain;
  filter: drop-shadow(0 0 6px rgba(59,130,246,.45)) drop-shadow(0 0 14px rgba(59,130,246,.25));
}
.logo-mark {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: #3B82F6;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; font-weight: 800; color: #fff;
  box-shadow: 0 0 0 2px #3B82F6, 0 0 8px rgba(59,130,246,.5), 0 0 18px rgba(56,189,248,.3);
}
.logo span.accent { color: #3B82F6; }
.logo-tagline {
  display: block;
  font-size: 0.7rem;
  font-weight: 500;
  color: #CBD5E1;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-top: -2px;
}

.nav-links {
  display: flex; align-items: center; gap: 38px;
}
.nav-links a {
  font-size: 0.95rem; font-weight: 500; color: var(--color-text-muted);
  position: relative; padding: 6px 0;
  transition: var(--transition);
}
.nav-links a::after {
  content: ''; position: absolute; left: 0; bottom: 0;
  width: 0; height: 2px; background: var(--color-accent);
  transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--color-text); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.nav-cta { display: flex; align-items: center; gap: 16px; }

.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.06);
  align-items: center; justify-content: center;
  flex-direction: column; gap: 5px;
}
.nav-cta-mobile { display: none; }
.nav-toggle span {
  width: 20px; height: 2px; background: var(--color-text);
  transition: var(--transition); border-radius: 2px;
}
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 900px) {
  .nav-links {
    position: fixed; top: var(--header-height); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(16px);
    padding: 12px 24px 24px;
    transform: translateY(-8px);
    opacity: 0; visibility: hidden; pointer-events: none;
    transition: var(--transition);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    max-height: calc(100dvh - var(--header-height));
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
  }
  .nav-links.open {
    transform: translateY(0); opacity: 1; visibility: visible; pointer-events: auto;
  }
  .nav-links a { padding: 14px 0; border-bottom: 1px solid rgba(255, 255, 255, 0.06); }
  .nav-cta .btn-outline { display: none; }
  .nav-toggle { display: flex; }
  .nav-cta-mobile {
    display: inline-flex; justify-content: center; width: 100%;
    margin-top: 18px; padding: 14px 20px;
  }
  .nav-links a.nav-cta-mobile { border-bottom: none; padding: 14px 20px; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex; align-items: center;
  padding-top: var(--header-height);
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(37, 99, 235, 0.28), transparent 45%),
    radial-gradient(circle at 80% 30%, rgba(56, 189, 248, 0.22), transparent 45%),
    radial-gradient(circle at 50% 90%, rgba(37, 99, 235, 0.18), transparent 50%);
}
.hero-bg canvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0.5; }
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black 20%, transparent 75%);
}

.hero-content {
  position: relative; z-index: 2;
  text-align: center;
  max-width: 880px;
  margin: 0 auto;
}
.hero-content h1 {
  font-size: clamp(2.2rem, 5.6vw, 4.2rem);
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}
.hero-content .lead {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 620px;
  margin: 0 auto 40px;
}
.hero-actions {
  display: flex; gap: 18px; justify-content: center; flex-wrap: wrap;
  margin-bottom: 64px;
}
.hero-trust {
  display: flex; align-items: center; justify-content: center; gap: 28px;
  flex-wrap: wrap;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}
.hero-trust span { display: flex; align-items: center; gap: 8px; }
.hero-trust i { color: var(--color-accent); }

.scroll-cue {
  position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: var(--color-text-muted); font-size: 0.75rem; letter-spacing: 0.1em;
  animation: floatY 2.4s ease-in-out infinite;
  z-index: 2;
}
.scroll-cue i { font-size: 0.9rem; }
@keyframes floatY { 0%, 100% { transform: translate(-50%, 0); } 50% { transform: translate(-50%, 8px); } }

/* ---------- Stats ---------- */
.stats-section { padding: 70px 0; border-top: 1px solid rgba(255,255,255,0.06); border-bottom: 1px solid rgba(255,255,255,0.06); }
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px;
  text-align: center;
}
.stat-item .stat-number {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(2rem, 4vw, 2.8rem);
  background: var(--gradient-primary); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat-item .stat-label { color: var(--color-text-muted); font-size: 0.92rem; margin-top: 6px; }
@media (max-width: 768px) { .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 36px 20px; } }

/* ---------- Glass Cards ---------- */
.glass-card {
  background: var(--color-card);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-md);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  transition: var(--transition);
}
.glass-card:hover {
  background: var(--color-card-hover);
  border-color: rgba(56, 189, 248, 0.35);
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow);
}

/* ---------- Why Choose Us ---------- */
.features-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px;
}
.feature-card { padding: 36px 30px; }
.feature-icon {
  width: 56px; height: 56px; border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(37,99,235,0.25), rgba(56,189,248,0.15));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; color: var(--color-accent);
  margin-bottom: 22px;
}
.feature-card h3 { font-size: 1.15rem; margin-bottom: 12px; }
.feature-card p { color: var(--color-text-muted); font-size: 0.94rem; }
@media (max-width: 900px) { .features-grid { grid-template-columns: 1fr; } }

/* ---------- Process Timeline (horizontal) ---------- */
.process-track {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  position: relative;
}
.process-track::before {
  content: '';
  position: absolute; top: 46px; left: 8%; right: 8%; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(56,189,248,0.4), transparent);
}
.process-step { text-align: center; position: relative; padding: 30px 22px; }
.process-num {
  width: 92px; height: 92px; margin: 0 auto 24px;
  border-radius: 50%;
  background: var(--color-bg);
  border: 1px solid rgba(56,189,248,0.35);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; font-weight: 700; color: var(--color-accent);
  position: relative; z-index: 2;
}
.process-step h3 { font-size: 1.05rem; margin-bottom: 10px; }
.process-step p { font-size: 0.88rem; color: var(--color-text-muted); }
@media (max-width: 900px) {
  .process-track { grid-template-columns: 1fr; }
  .process-track::before { display: none; }
}

/* ---------- Testimonials ---------- */
.testimonial-track {
  display: flex; gap: 24px; overflow: hidden; position: relative;
}
.testimonial-slide {
  min-width: 100%;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.testimonial-card { padding: 32px; }
.testimonial-stars { color: var(--color-accent); margin-bottom: 18px; font-size: 0.85rem; letter-spacing: 3px; }
.testimonial-card p.quote { font-size: 0.96rem; color: #E2E8F0; margin-bottom: 24px; }
.testimonial-person { display: flex; align-items: center; gap: 14px; }
.testimonial-avatar {
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--gradient-primary);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; color: #fff; font-size: 0.95rem;
}
.testimonial-person h4 { font-size: 0.95rem; margin-bottom: 2px; }
.testimonial-person span { font-size: 0.8rem; color: var(--color-text-muted); }

.carousel-nav { display: flex; justify-content: center; gap: 10px; margin-top: 40px; }
.carousel-dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: rgba(255,255,255,0.2);
  transition: var(--transition);
}
.carousel-dot.active { background: var(--color-accent); width: 26px; border-radius: 5px; }

@media (max-width: 900px) {
  .testimonial-slide { grid-template-columns: 1fr; }
}

/* ---------- FAQ Accordion ---------- */
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item {
  border-radius: var(--radius-md);
  overflow: hidden;
}
.faq-question {
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 28px; width: 100%; text-align: left;
  font-size: 1rem; font-weight: 500;
}
.faq-question i { transition: var(--transition); color: var(--color-accent); flex-shrink: 0; margin-left: 16px; }
.faq-item.open .faq-question i { transform: rotate(180deg); }
.faq-answer {
  max-height: 0; overflow: hidden; transition: max-height 0.4s ease;
}
.faq-answer p { padding: 0 28px 24px; color: var(--color-text-muted); font-size: 0.92rem; }

/* ---------- Contact CTA (home) ---------- */
.cta-banner {
  border-radius: var(--radius-lg);
  padding: 64px 48px;
  text-align: center;
  background: linear-gradient(135deg, rgba(37,99,235,0.18), rgba(56,189,248,0.1));
  border: 1px solid rgba(56,189,248,0.25);
  position: relative; overflow: hidden;
}
.cta-banner h2 { font-size: clamp(1.6rem, 3.6vw, 2.4rem); margin-bottom: 16px; }
.cta-banner p { color: var(--color-text-muted); max-width: 520px; margin: 0 auto 32px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ---------- Footer ---------- */
footer {
  background: var(--color-bg-alt);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 80px 0 0;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1.3fr; gap: 40px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.footer-brand p { color: var(--color-text-muted); font-size: 0.92rem; margin: 18px 0 22px; max-width: 320px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 38px; height: 38px; border-radius: 50%;
  background: rgba(255,255,255,0.06);
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.footer-social a:hover { background: var(--color-primary); transform: translateY(-3px); }
.footer-col h4 { font-size: 0.95rem; margin-bottom: 22px; }
.footer-col ul { display: flex; flex-direction: column; gap: 13px; }
.footer-col a { color: var(--color-text-muted); font-size: 0.9rem; transition: var(--transition); }
.footer-col a:hover { color: var(--color-accent); padding-left: 4px; }
.footer-contact li { display: flex; gap: 10px; color: var(--color-text-muted); font-size: 0.9rem; margin-bottom: 16px; align-items: flex-start; }
.footer-contact i { color: var(--color-accent); margin-top: 3px; }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between;
  padding: 26px 0; flex-wrap: wrap; gap: 12px;
  color: var(--color-text-muted); font-size: 0.85rem;
}
.footer-bottom-links { display: flex; gap: 24px; }
.footer-bottom-links a:hover { color: var(--color-accent); }

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ---------- Back to top / WhatsApp ---------- */
.float-btns { position: fixed; right: 26px; bottom: 26px; z-index: 900; display: flex; flex-direction: column; gap: 14px; }
.float-btn {
  width: 52px; height: 52px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; color: #fff;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}
.float-btn.whatsapp { background: #25D366; }
.float-btn.top {
  background: var(--gradient-primary);
  opacity: 0; visibility: hidden; transform: translateY(10px);
}
.float-btn.top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.float-btn:hover { transform: translateY(-4px) scale(1.05); }

/* ---------- Scroll Reveal ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22,1,0.36,1); }
.reveal.in-view { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ---------- Page Hero (inner pages) ---------- */
.page-hero {
  padding: calc(var(--header-height) + 70px) 0 70px;
  text-align: center;
  position: relative;
  background: var(--gradient-radial);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.page-hero h1 { font-size: clamp(2rem, 4.6vw, 3.2rem); margin-bottom: 16px; }
.page-hero p { color: var(--color-text-muted); max-width: 600px; margin: 0 auto; }
.breadcrumb { display: flex; align-items: center; gap: 8px; justify-content: center; margin-bottom: 20px; font-size: 0.85rem; color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-accent); }

/* ---------- About Page ---------- */
.story-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.story-visual {
  aspect-ratio: 4/3.4; border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(37,99,235,0.25), rgba(56,189,248,0.08));
  border: 1px solid rgba(255,255,255,0.1);
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.story-visual i { font-size: 5rem; color: rgba(56,189,248,0.5); }
.story-text p { color: var(--color-text-muted); margin-bottom: 18px; }
@media (max-width: 900px) { .story-grid { grid-template-columns: 1fr; gap: 40px; } }

.mv-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.mv-card { padding: 40px; }
.mv-card i { font-size: 2rem; color: var(--color-accent); margin-bottom: 20px; }
.mv-card h3 { font-size: 1.3rem; margin-bottom: 14px; }
.mv-card p { color: var(--color-text-muted); }
@media (max-width: 768px) { .mv-grid { grid-template-columns: 1fr; } }

.values-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.value-card { padding: 30px 24px; text-align: center; }
.value-card i { font-size: 1.6rem; color: var(--color-accent); margin-bottom: 16px; }
.value-card h4 { font-size: 1rem; margin-bottom: 8px; }
.value-card p { font-size: 0.85rem; color: var(--color-text-muted); }
@media (max-width: 900px) { .values-grid { grid-template-columns: repeat(2, 1fr); } }

.tech-grid {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 22px;
}
.tech-item {
  padding: 26px 14px; text-align: center;
}
.tech-item i, .tech-item .tech-fallback { font-size: 2.1rem; margin-bottom: 12px; color: var(--color-accent); display: block; }
.tech-item span { font-size: 0.85rem; color: var(--color-text-muted); }
@media (max-width: 900px) { .tech-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 560px) { .tech-grid { grid-template-columns: repeat(2, 1fr); } }

.vtimeline { max-width: 760px; margin: 0 auto; position: relative; padding-left: 40px; }
.vtimeline::before { content: ''; position: absolute; left: 9px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(180deg, var(--color-accent), transparent); }
.vtimeline-item { position: relative; padding-bottom: 46px; }
.vtimeline-item:last-child { padding-bottom: 0; }
.vtimeline-item::before {
  content: ''; position: absolute; left: -40px; top: 4px;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--color-bg); border: 3px solid var(--color-accent);
}
.vtimeline-item h3 { font-size: 1.05rem; margin-bottom: 8px; }
.vtimeline-item p { color: var(--color-text-muted); font-size: 0.92rem; }

/* ---------- Services Page ---------- */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.service-card { padding: 34px 30px; display: flex; flex-direction: column; }
.service-icon {
  width: 58px; height: 58px; border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(37,99,235,0.28), rgba(56,189,248,0.14));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; color: var(--color-accent);
  margin-bottom: 22px;
}
.service-card h3 { font-size: 1.15rem; margin-bottom: 12px; }
.service-card > p.desc { color: var(--color-text-muted); font-size: 0.9rem; margin-bottom: 18px; }
.service-features { display: flex; flex-direction: column; gap: 9px; margin-bottom: 24px; }
.service-features li { display: flex; align-items: flex-start; gap: 9px; font-size: 0.85rem; color: #CBD5E1; }
.service-features i { color: var(--color-accent); font-size: 0.8rem; margin-top: 4px; }
.service-card .btn { margin-top: auto; align-self: flex-start; }
@media (max-width: 1000px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .services-grid { grid-template-columns: 1fr; } }

/* ---------- Portfolio ---------- */
.portfolio-filters {
  display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-bottom: 48px;
}
.filter-btn {
  padding: 10px 22px; border-radius: var(--radius-pill);
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);
  font-size: 0.85rem; font-weight: 500; color: var(--color-text-muted);
  transition: var(--transition);
}
.filter-btn:hover { color: var(--color-text); }
.filter-btn.active { background: var(--gradient-primary); color: #fff; border-color: transparent; }

.portfolio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.portfolio-card { overflow: hidden; cursor: pointer; }
.portfolio-thumb {
  aspect-ratio: 4/3; position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.portfolio-thumb i { font-size: 2.6rem; color: rgba(255,255,255,0.85); position: relative; z-index: 1; }
.portfolio-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(15,23,42,0.92), rgba(15,23,42,0.2));
  display: flex; align-items: flex-end; padding: 20px;
  opacity: 0; transition: var(--transition);
}
.portfolio-card:hover .portfolio-overlay { opacity: 1; }
.portfolio-card:hover .portfolio-thumb i { transform: scale(1.1); }
.portfolio-thumb i { transition: var(--transition); }
.portfolio-overlay span { font-size: 0.85rem; color: var(--color-accent); font-weight: 600; display: flex; align-items: center; gap: 8px; }
.portfolio-info { padding: 22px; }
.portfolio-info .tag { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-accent); margin-bottom: 8px; display: block; }
.portfolio-info h3 { font-size: 1.05rem; margin-bottom: 6px; }
.portfolio-info p { font-size: 0.85rem; color: var(--color-text-muted); }
.portfolio-card.hide { display: none; }
@media (max-width: 1000px) { .portfolio-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .portfolio-grid { grid-template-columns: 1fr; } }

/* ---------- Pricing ---------- */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; align-items: stretch; }
.price-card { padding: 42px 34px; display: flex; flex-direction: column; position: relative; }
.price-card.featured {
  border-color: var(--color-accent);
  background: linear-gradient(180deg, rgba(56,189,248,0.1), rgba(255,255,255,0.06));
  transform: scale(1.03);
  box-shadow: var(--shadow-glow);
}
.price-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--gradient-primary); color: #fff; font-size: 0.72rem; font-weight: 700;
  padding: 6px 18px; border-radius: var(--radius-pill); letter-spacing: 0.05em;
}
.price-card h3 { font-size: 1.2rem; margin-bottom: 8px; }
.price-card .price-sub { color: var(--color-text-muted); font-size: 0.88rem; margin-bottom: 24px; }
.price-amount { font-size: 2.6rem; font-weight: 700; margin-bottom: 4px; }
.price-amount span { font-size: 0.95rem; font-weight: 500; color: var(--color-text-muted); }
.price-card hr { border: none; border-top: 1px solid rgba(255,255,255,0.1); margin: 26px 0; }
.price-features { display: flex; flex-direction: column; gap: 14px; margin-bottom: 32px; flex-grow: 1; }
.price-features li { display: flex; gap: 10px; font-size: 0.9rem; align-items: flex-start; }
.price-features li i { color: var(--color-accent); margin-top: 3px; }
.price-features li.disabled { color: var(--color-text-muted); }
.price-features li.disabled i { color: var(--color-text-muted); }
@media (max-width: 1000px) { .pricing-grid { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; } .price-card.featured { transform: none; } }

/* ---------- Contact Page ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 40px; align-items: start; }
.contact-info-card { padding: 36px; margin-bottom: 20px; }
.contact-info-item { display: flex; gap: 16px; margin-bottom: 26px; }
.contact-info-item:last-child { margin-bottom: 0; }
.contact-info-item .ci-icon {
  width: 46px; height: 46px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, rgba(37,99,235,0.28), rgba(56,189,248,0.14));
  display: flex; align-items: center; justify-content: center; color: var(--color-accent);
}
.contact-info-item h4 { font-size: 0.95rem; margin-bottom: 4px; }
.contact-info-item p, .contact-info-item a { font-size: 0.88rem; color: var(--color-text-muted); overflow-wrap: anywhere; word-break: break-word; }

.contact-form-card { padding: 42px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.form-group label { font-size: 0.85rem; color: var(--color-text-muted); }
.form-group input, .form-group textarea, .form-group select {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-sm);
  padding: 14px 16px; color: var(--color-text); font-size: 0.92rem;
  transition: var(--transition);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none; border-color: var(--color-accent); background: rgba(255,255,255,0.07);
  box-shadow: 0 0 0 3px rgba(56,189,248,0.15);
}
.form-group textarea { resize: vertical; min-height: 140px; }
.form-note { font-size: 0.8rem; color: var(--color-text-muted); margin-top: 10px; }
.form-success {
  display: none; align-items: center; gap: 10px;
  background: rgba(37, 99, 235, 0.12); border: 1px solid rgba(56,189,248,0.3);
  padding: 16px 20px; border-radius: var(--radius-sm); margin-bottom: 20px; font-size: 0.9rem;
}
.form-error {
  display: none; align-items: center; gap: 10px;
  background: rgba(220, 38, 38, 0.08); border: 1px solid rgba(220, 38, 38, 0.18);
  padding: 16px 20px; border-radius: var(--radius-sm); margin-bottom: 20px; font-size: 0.9rem; color: #ffd6d6;
}
.form-error.show { display: flex; }
.form-group select option {
  background: var(--color-bg);
  color: var(--color-text);
}
.form-group select option[value=""] {
  color: var(--color-text-muted);
}

/* Ensure native dropdown arrow is legible on dark backgrounds (fallback for some browsers) */
.form-group select {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--color-text) 50%), linear-gradient(135deg, var(--color-text) 50%, transparent 50%);
  background-position: calc(100% - 18px) calc(1em + 2px), calc(100% - 13px) calc(1em + 2px);
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 44px;
}
.form-success.show { display: flex; }
.form-success i { color: var(--color-accent); }

.map-placeholder {
  aspect-ratio: 16/7; border-radius: var(--radius-md); overflow: hidden;
  background:
    linear-gradient(rgba(15,23,42,0.75), rgba(15,23,42,0.75)),
    repeating-linear-gradient(45deg, rgba(56,189,248,0.06) 0 2px, transparent 2px 14px);
  display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 10px;
  border: 1px solid rgba(255,255,255,0.1);
  margin-top: 40px;
}
.map-placeholder i { font-size: 2rem; color: var(--color-accent); }
.map-placeholder p { color: var(--color-text-muted); font-size: 0.9rem; }

@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}

/* ---------- Misc responsive ---------- */
@media (max-width: 768px) {
  .stats-grid, .process-track, .mv-grid, .values-grid, .tech-grid, .services-grid, .portfolio-grid, .pricing-grid { gap: 20px; }
}

/* ---------- Why Choose ---------- */
#why-choose { padding: var(--section-padding, 100px 0); }
.choose-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  margin-top: 48px;
}
.choose-card {
  padding: 32px 24px; text-align: center;
}
.choose-card i {
  font-size: 2rem; color: var(--color-accent); margin-bottom: 16px;
}
.choose-card h4 { font-size: 1.05rem; margin-bottom: 10px; }
.choose-card p { font-size: 0.88rem; color: var(--color-text-muted); }
@media (max-width: 900px) { .choose-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px) { .choose-grid { grid-template-columns: 1fr; } }

/* ---------- Mobile refinements ---------- */
@media (max-width: 768px) {
  .section-head { margin-bottom: 44px; }
  .section-head.align-left { margin-bottom: 40px; }
  .page-hero { padding: calc(var(--header-height) + 46px) 0 46px; }
  .contact-grid { gap: 32px; }
  .form-row { gap: 16px; }
  .form-group input, .form-group textarea, .form-group select { font-size: 16px; }
  .hero-content .lead { font-size: 1.05rem; margin-bottom: 32px; }
  .hero-actions { gap: 14px; margin-bottom: 48px; }
  .cta-banner p { margin-bottom: 24px; }
  footer { padding-top: 60px; }
  .footer-grid { gap: 36px; }
}

@media (max-width: 560px) {
  .container { padding: 0 20px; }
  .nav-inner { padding: 0 16px; }
  .logo-img { height: 46px; }
  .btn { padding: 13px 24px; font-size: 0.9rem; }
  .btn-sm { padding: 10px 18px; }
  .page-hero h1 { font-size: clamp(1.65rem, 7vw, 2.1rem); }
  .page-hero p { font-size: 0.95rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .hero-trust { gap: 16px; }
  .scroll-cue { display: none; }
  .stats-section { padding: 56px 0; }
  .cta-banner { padding: 44px 24px; }
  .cta-actions { flex-direction: column; align-items: stretch; }
  .cta-actions .btn { width: 100%; }
  .faq-question { padding: 18px 20px; font-size: 0.95rem; }
  .faq-answer p { padding: 0 20px 20px; }
  .feature-card, .service-card, .mv-card, .value-card, .choose-card { padding: 26px 22px; }
  .testimonial-card { padding: 24px; }
  .process-step { padding: 24px 18px; }
  .price-card { padding: 30px 24px; }
  .contact-info-card { padding: 26px 24px; }
  .contact-form-card { padding: 28px 24px; }
  .contact-info-item { gap: 14px; }
  .form-group label { font-size: 0.82rem; }
  .form-group input, .form-group textarea, .form-group select { padding: 13px 14px; }
  .form-success, .form-error { font-size: 0.85rem; padding: 14px 16px; }
  .float-btns { right: 16px; bottom: 16px; gap: 12px; }
  .float-btn { width: 46px; height: 46px; font-size: 1.05rem; }
  .footer-bottom-links { gap: 16px; flex-wrap: wrap; justify-content: center; }
  .story-grid { gap: 32px; }
  .map-placeholder { margin-top: 28px; }
}