/* ============================================================
   MindMesh Technology — Global Design System
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* --- CSS Variables --- */
:root {
  --clr-bg:        #050b18;
  --clr-bg2:       #080f20;
  --clr-surface:   #0d1a33;
  --clr-border:    rgba(99,179,237,.15);
  --clr-primary:   #4f8ef7;
  --clr-primary-2: #7c3aed;
  --clr-accent:    #06b6d4;
  --clr-text:      #e2e8f0;
  --clr-muted:     #8ca3bf;
  --grad-brand:    linear-gradient(135deg, #4f8ef7 0%, #7c3aed 100%);
  --grad-teal:     linear-gradient(135deg, #06b6d4 0%, #4f8ef7 100%);
  --grad-glow:     radial-gradient(ellipse at 50% 0%, rgba(79,142,247,.25) 0%, transparent 70%);
  --shadow-card:   0 4px 32px rgba(0,0,0,.45);
  --radius:        14px;
  --radius-sm:     8px;
  --nav-h:         72px;
  --transition:    .3s cubic-bezier(.4,0,.2,1);
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', sans-serif;
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--clr-bg); }
::-webkit-scrollbar-thumb { background: var(--clr-primary); border-radius: 99px; }

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-h);
  display: flex; align-items: center;
  padding: 0 5%;
  background: rgba(5,11,24,.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--clr-border);
  transition: background var(--transition);
}
.nav.scrolled { background: rgba(5,11,24,.97); }

.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700; font-size: 1.35rem;
  letter-spacing: -.5px;
}
.nav-logo .logo-icon {
  width: 38px; height: 38px;
  background: var(--grad-brand);
  border-radius: 10px;
  display: grid; place-items: center;
  font-size: 1.1rem;
}
.nav-logo span { background: var(--grad-brand); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }

.nav-links {
  display: flex; align-items: center; gap: 8px;
  margin-left: auto;
}
.nav-links a {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: .9rem; font-weight: 500;
  color: var(--clr-muted);
  transition: color var(--transition), background var(--transition);
}
.nav-links a:hover, .nav-links a.active {
  color: var(--clr-text);
  background: rgba(79,142,247,.12);
}
.nav-cta {
  margin-left: 12px;
  padding: 9px 22px !important;
  background: var(--grad-brand) !important;
  color: #fff !important;
  border-radius: var(--radius-sm) !important;
  font-weight: 600 !important;
}
.nav-cta:hover { opacity: .9; transform: translateY(-1px); }

/* Hamburger */
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; margin-left: auto; padding: 4px;
  background: none; border: none;
}
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--clr-text); border-radius: 99px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none; position: fixed; top: var(--nav-h); left: 0; right: 0;
  background: rgba(5,11,24,.97); backdrop-filter: blur(16px);
  padding: 24px 5%; flex-direction: column; gap: 8px; z-index: 999;
  border-bottom: 1px solid var(--clr-border);
}
.mobile-menu.open { display: flex; }
.mobile-menu a { padding: 12px 16px; border-radius: var(--radius-sm); font-size: 1rem; font-weight: 500; color: var(--clr-muted); }
.mobile-menu a:hover { color: var(--clr-text); background: rgba(79,142,247,.12); }

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 0 5%;
  position: relative;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background: url('../images/hero_banner.png') center/cover no-repeat;
}
.hero-bg::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(5,11,24,.92) 0%, rgba(5,11,24,.70) 60%, rgba(124,58,237,.15) 100%);
}
.hero-particles {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
}
.hero-content {
  position: relative; z-index: 2;
  max-width: 760px;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(79,142,247,.12);
  border: 1px solid rgba(79,142,247,.3);
  border-radius: 99px;
  padding: 6px 16px;
  font-size: .8rem; font-weight: 600; letter-spacing: .08em;
  text-transform: uppercase; color: var(--clr-primary);
  margin-bottom: 24px;
}
.hero-badge span { width: 6px; height: 6px; background: var(--clr-primary); border-radius: 50%; animation: pulse-dot 2s infinite; }
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(.7); }
}
.hero h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
}
.hero h1 .gradient { background: var(--grad-brand); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero p {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--clr-muted);
  max-width: 560px;
  margin-bottom: 40px;
}
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }

.stats-bar {
  position: relative; z-index: 2;
  display: flex; gap: 40px; flex-wrap: wrap;
  margin-top: 72px;
  padding-top: 40px;
  border-top: 1px solid var(--clr-border);
}
.stat h3 { font-size: 2rem; font-weight: 800; font-family: 'Space Grotesk', sans-serif; background: var(--grad-brand); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.stat p { font-size: .85rem; color: var(--clr-muted); font-weight: 500; }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius);
  font-weight: 600; font-size: .95rem;
  cursor: pointer; border: none;
  transition: all var(--transition);
  font-family: 'Inter', sans-serif;
}
.btn-primary {
  background: var(--grad-brand);
  color: #fff;
  box-shadow: 0 4px 24px rgba(79,142,247,.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(79,142,247,.5); }
.btn-outline {
  background: transparent;
  color: var(--clr-text);
  border: 1px solid var(--clr-border);
}
.btn-outline:hover { border-color: var(--clr-primary); color: var(--clr-primary); background: rgba(79,142,247,.07); }

/* ============================================================
   SECTION BASE
   ============================================================ */
section { padding: 100px 5%; }
.section-label {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--clr-primary); font-size: .8rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .1em;
  margin-bottom: 16px;
}
.section-label::before {
  content: ''; width: 24px; height: 2px; background: var(--grad-brand); border-radius: 99px;
}
.section-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700; line-height: 1.15;
  letter-spacing: -.5px;
  margin-bottom: 16px;
}
.section-sub {
  color: var(--clr-muted);
  font-size: 1.05rem; max-width: 560px;
  margin-bottom: 60px;
}
.section-header { text-align: center; }
.section-header .section-sub { margin-left: auto; margin-right: auto; }
.section-header .section-label { justify-content: center; }
.section-header .section-label::before { display: none; }

/* gradient glow blobs */
.glow-blob {
  position: absolute; border-radius: 50%; filter: blur(100px); opacity: .18; pointer-events: none;
}

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 32px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: ''; position: absolute; inset: 0;
  background: var(--grad-brand); opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}
.card:hover { transform: translateY(-6px); border-color: rgba(79,142,247,.4); box-shadow: var(--shadow-card); }
.card:hover::before { opacity: .04; }

.card-icon {
  width: 52px; height: 52px;
  background: rgba(79,142,247,.12);
  border-radius: 12px;
  display: grid; place-items: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  transition: background var(--transition);
}
.card:hover .card-icon { background: rgba(79,142,247,.22); }
.card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; font-family: 'Space Grotesk', sans-serif; }
.card p { color: var(--clr-muted); font-size: .9rem; line-height: 1.7; }

/* Grid layouts */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ============================================================
   SERVICES SECTION
   ============================================================ */
.services-section { background: var(--clr-bg2); position: relative; overflow: hidden; }

/* ============================================================
   PRODUCTS SECTION
   ============================================================ */
.products-section { position: relative; overflow: hidden; }
.product-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-card); border-color: rgba(79,142,247,.4); }
.product-card-img {
  height: 180px; background: var(--grad-brand);
  display: flex; align-items: center; justify-content: center;
  font-size: 3rem;
  position: relative; overflow: hidden;
}
.product-card-img .overlay-icon { position: relative; z-index: 1; }
.product-card-img::before {
  content: ''; position: absolute; inset: 0;
  background: rgba(0,0,0,.2);
}
.product-badge {
  position: absolute; top: 12px; right: 12px;
  background: rgba(6,182,212,.2); border: 1px solid rgba(6,182,212,.4);
  color: var(--clr-accent); font-size: .7rem; font-weight: 600;
  padding: 3px 10px; border-radius: 99px; text-transform: uppercase; letter-spacing: .05em;
}
.product-card-body { padding: 24px; }
.product-card-body h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; font-family: 'Space Grotesk', sans-serif; }
.product-card-body p { color: var(--clr-muted); font-size: .88rem; line-height: 1.7; margin-bottom: 20px; }
.product-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.tag {
  background: rgba(79,142,247,.1);
  color: var(--clr-primary);
  font-size: .75rem; font-weight: 600;
  padding: 4px 12px; border-radius: 99px;
  border: 1px solid rgba(79,142,247,.2);
}

/* ============================================================
   WHY US / FEATURES
   ============================================================ */
.feature-item {
  display: flex; gap: 20px; align-items: flex-start;
}
.feature-item .fi-icon {
  flex-shrink: 0; width: 48px; height: 48px;
  background: rgba(79,142,247,.1);
  border: 1px solid rgba(79,142,247,.2);
  border-radius: 12px;
  display: grid; place-items: center;
  font-size: 1.3rem;
}
.feature-item h4 { font-size: 1rem; font-weight: 700; margin-bottom: 6px; font-family: 'Space Grotesk', sans-serif; }
.feature-item p { color: var(--clr-muted); font-size: .88rem; line-height: 1.7; }

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonials-section { background: var(--clr-bg2); }
.testimonial-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 32px;
  transition: all var(--transition);
}
.testimonial-card:hover { border-color: rgba(79,142,247,.3); transform: translateY(-4px); }
.testimonial-stars { color: #f59e0b; font-size: .9rem; margin-bottom: 16px; letter-spacing: 2px; }
.testimonial-card blockquote { color: var(--clr-muted); font-size: .92rem; line-height: 1.75; margin-bottom: 24px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.t-avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--grad-brand);
  display: grid; place-items: center;
  font-weight: 700; font-size: 1.1rem; color: #fff;
}
.t-info h5 { font-size: .92rem; font-weight: 700; }
.t-info span { font-size: .8rem; color: var(--clr-muted); }

/* ============================================================
   CTA BAND
   ============================================================ */
.cta-band {
  background: var(--grad-brand);
  padding: 80px 5%;
  text-align: center;
  position: relative; overflow: hidden;
}
.cta-band h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800; margin-bottom: 16px;
}
.cta-band p { font-size: 1.05rem; opacity: .85; max-width: 560px; margin: 0 auto 36px; }
.cta-band .btn-outline { border-color: rgba(255,255,255,.5); color: #fff; }
.cta-band .btn-outline:hover { background: rgba(255,255,255,.15); border-color: #fff; }
.cta-band .btn-white { background: #fff; color: var(--clr-primary-2); }
.cta-band .btn-white:hover { background: rgba(255,255,255,.9); transform: translateY(-2px); }
.cta-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ============================================================
   PAGE HERO (inner pages)
   ============================================================ */
.page-hero {
  padding: calc(var(--nav-h) + 80px) 5% 80px;
  position: relative; overflow: hidden;
  text-align: center;
}
.page-hero h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
}
.page-hero p { font-size: 1.1rem; color: var(--clr-muted); max-width: 560px; margin: 0 auto; }
.page-hero-bg {
  position: absolute; inset: 0; z-index: -1;
  background-size: cover; background-position: center;
}
.page-hero-bg::after {
  content: ''; position: absolute; inset: 0;
  background: rgba(5,11,24,.88);
}

/* ============================================================
   CONTACT PAGE
   ============================================================ */
.contact-section { display: grid; grid-template-columns: 1fr 1.2fr; gap: 60px; align-items: start; }
.contact-info h2 { font-family: 'Space Grotesk', sans-serif; font-size: 2rem; font-weight: 700; margin-bottom: 16px; }
.contact-info p { color: var(--clr-muted); line-height: 1.8; margin-bottom: 36px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; margin-bottom: 24px; }
.contact-item .ci-icon {
  width: 44px; height: 44px; flex-shrink: 0;
  background: rgba(79,142,247,.1); border: 1px solid rgba(79,142,247,.2);
  border-radius: 10px; display: grid; place-items: center; font-size: 1.2rem;
}
.contact-item h4 { font-size: .9rem; font-weight: 600; margin-bottom: 4px; }
.contact-item p { font-size: .88rem; color: var(--clr-muted); margin-bottom: 0; }

.contact-form {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 40px;
}
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: .85rem; font-weight: 600; margin-bottom: 8px; color: var(--clr-muted); }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 12px 16px;
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  color: var(--clr-text);
  font-family: 'Inter', sans-serif; font-size: .92rem;
  transition: border-color var(--transition);
  outline: none;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px rgba(79,142,247,.12);
}
.form-group textarea { resize: vertical; min-height: 130px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ============================================================
   ABOUT PAGE
   ============================================================ */
.team-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  transition: all var(--transition);
}
.team-card:hover { transform: translateY(-6px); border-color: rgba(79,142,247,.4); box-shadow: var(--shadow-card); }
.team-avatar {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: var(--grad-brand);
  display: grid; place-items: center;
  font-size: 1.8rem; font-weight: 700; color: #fff;
  margin: 0 auto 16px;
  border: 3px solid rgba(79,142,247,.3);
}
.team-card h4 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; font-family: 'Space Grotesk', sans-serif; }
.team-card .role { font-size: .82rem; color: var(--clr-primary); font-weight: 600; margin-bottom: 12px; }
.team-card p { font-size: .85rem; color: var(--clr-muted); }
.social-links { display: flex; gap: 10px; justify-content: center; margin-top: 16px; }
.social-links a {
  width: 34px; height: 34px;
  background: rgba(79,142,247,.1);
  border: 1px solid rgba(79,142,247,.2);
  border-radius: 8px;
  display: grid; place-items: center;
  font-size: .85rem;
  transition: all var(--transition);
}
.social-links a:hover { background: rgba(79,142,247,.25); color: var(--clr-primary); }

.timeline { position: relative; padding-left: 32px; }
.timeline::before { content: ''; position: absolute; left: 8px; top: 0; bottom: 0; width: 2px; background: var(--clr-border); }
.timeline-item { position: relative; margin-bottom: 36px; }
.timeline-item::before {
  content: ''; position: absolute; left: -28px; top: 6px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--grad-brand);
  box-shadow: 0 0 0 4px rgba(79,142,247,.15);
}
.timeline-item h4 { font-size: .95rem; font-weight: 700; margin-bottom: 4px; font-family: 'Space Grotesk', sans-serif; }
.timeline-year { font-size: .78rem; font-weight: 700; color: var(--clr-primary); margin-bottom: 6px; }
.timeline-item p { font-size: .87rem; color: var(--clr-muted); line-height: 1.7; }

/* ============================================================
   TECH STACK LOGOS
   ============================================================ */
.tech-bar {
  background: var(--clr-bg2);
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
  padding: 36px 5%;
  overflow: hidden;
}
.tech-track {
  display: flex; gap: 56px; align-items: center;
  animation: scroll-track 22s linear infinite;
  width: max-content;
}
.tech-track:hover { animation-play-state: paused; }
.tech-item {
  display: flex; align-items: center; gap: 10px;
  color: var(--clr-muted); font-size: .88rem; font-weight: 600;
  white-space: nowrap;
}
.tech-item span { font-size: 1.4rem; }
@keyframes scroll-track { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  background: var(--clr-bg2);
  border-top: 1px solid var(--clr-border);
  padding: 60px 5% 32px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px; margin-bottom: 48px;
}
.footer-brand h3 { font-family: 'Space Grotesk', sans-serif; font-size: 1.2rem; font-weight: 700; margin-bottom: 12px; }
.footer-brand h3 span { background: var(--grad-brand); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.footer-brand p { color: var(--clr-muted); font-size: .88rem; line-height: 1.75; max-width: 280px; }
.footer-col h4 { font-size: .88rem; font-weight: 700; text-transform: uppercase; letter-spacing: .07em; color: var(--clr-muted); margin-bottom: 16px; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { font-size: .88rem; color: var(--clr-muted); transition: color var(--transition); }
.footer-col a:hover { color: var(--clr-primary); }
.footer-social { display: flex; gap: 10px; margin-top: 20px; }
.footer-social a {
  width: 36px; height: 36px;
  background: rgba(79,142,247,.08);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  display: grid; place-items: center;
  font-size: .95rem;
  transition: all var(--transition);
}
.footer-social a:hover { background: rgba(79,142,247,.2); border-color: rgba(79,142,247,.4); color: var(--clr-primary); }
.footer-bottom {
  border-top: 1px solid var(--clr-border);
  padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center;
  font-size: .82rem; color: var(--clr-muted); flex-wrap: wrap; gap: 12px;
}
.footer-bottom a { color: var(--clr-muted); transition: color var(--transition); }
.footer-bottom a:hover { color: var(--clr-primary); }

/* ============================================================
   ANIMATIONS
   ============================================================ */
.fade-up { opacity: 0; transform: translateY(30px); transition: opacity .7s ease, transform .7s ease; }
.fade-up.in-view { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: .1s !important; }
.delay-2 { transition-delay: .2s !important; }
.delay-3 { transition-delay: .3s !important; }
.delay-4 { transition-delay: .4s !important; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-section { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .stats-bar { gap: 24px; }
  .tech-bar { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; }
}