/* ============================================================
   TECH I — Design System
   Dark theme · Gold + Teal accents · Syne + DM Sans
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,300&family=Syne:wght@400;700;800&display=swap');

/* === VARIABLES === */
:root {
  --bg:        #05101E;
  --bg-s:      #0C1D3A;
  --bg-e:      #112240;
  --gold:      #F0A500;
  --gold-lt:   #FFD166;
  --teal:      #00CEC9;
  --teal-lt:   #81ECEC;
  --white:     #F1F5F9;
  --muted:     #8FA3BF;
  --border:    rgba(255,255,255,0.07);
  --border-g:  rgba(240,165,0,0.2);
  --font-h:    'Syne', sans-serif;
  --font-b:    'DM Sans', sans-serif;
  --ease:      cubic-bezier(0.4, 0, 0.2, 1);
  --tr:        0.3s var(--ease);
  --sp:        6rem;
}

/* === RESET === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-b);
  background: var(--bg);
  color: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}
h1,h2,h3,h4,h5,h6 { font-family: var(--font-h); line-height: 1.15; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; border: none; background: none; font-family: var(--font-b); }
ul { list-style: none; }

/* === LAYOUT === */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* === NAVBAR === */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: background var(--tr), padding var(--tr), border-color var(--tr);
  border-bottom: 1px solid transparent;
}
.navbar.scrolled {
  background: rgba(5,16,30,0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 0.7rem 0;
  border-color: var(--border);
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.navbar-brand {
  font-family: var(--font-h);
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--white) !important;
}
.navbar-brand span { color: var(--gold); }
.navbar-nav {
  display: flex;
  gap: 0.25rem;
  align-items: center;
}
.nav-link {
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: rgba(241,245,249,0.65) !important;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  transition: color var(--tr), background var(--tr);
}
.nav-link:hover { color: var(--white) !important; background: rgba(255,255,255,0.06); }
.nav-link.active { color: var(--gold) !important; background: rgba(240,165,0,0.08); }

/* Mobile toggler */
.navbar-toggler {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px; height: 40px;
  border: 1px solid var(--border);
  border-radius: 8px;
  gap: 5px;
  transition: border-color var(--tr);
}
.navbar-toggler:hover { border-color: rgba(240,165,0,0.4); }
.navbar-toggler span {
  display: block;
  width: 18px; height: 1.5px;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--tr), opacity var(--tr);
}
.navbar-toggler.active span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.navbar-toggler.active span:nth-child(2) { opacity: 0; }
.navbar-toggler.active span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-b);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  padding: 0.75rem 1.65rem;
  border-radius: 8px;
  transition: all var(--tr);
  cursor: pointer;
  border: none;
  text-decoration: none;
}
.btn-primary { background: var(--gold); color: #07111F; }
.btn-primary:hover { background: var(--gold-lt); color: #07111F; transform: translateY(-2px); box-shadow: 0 8px 28px rgba(240,165,0,0.35); }
.btn-outline { background: transparent; color: var(--white); border: 1px solid rgba(255,255,255,0.2); }
.btn-outline:hover { background: rgba(255,255,255,0.05); border-color: rgba(255,255,255,0.4); transform: translateY(-2px); }
.btn-lg { padding: 1rem 2.2rem; font-size: 0.98rem; border-radius: 10px; }

/* === HERO === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 80px;
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 65% 40%, rgba(0,206,201,0.06) 0%, transparent 70%),
    radial-gradient(ellipse 55% 45% at 15% 85%, rgba(240,165,0,0.07) 0%, transparent 65%);
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 85% 85% at 50% 50%, black 20%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 85% 85% at 50% 50%, black 20%, transparent 100%);
}
.hero-dots { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.hero-dot {
  position: absolute;
  width: 3px; height: 3px;
  border-radius: 50%;
  background: var(--gold);
  opacity: 0;
  animation: floatdot 10s ease-in-out infinite;
}
@keyframes floatdot {
  0%   { opacity: 0; transform: translateY(0); }
  15%  { opacity: 0.55; }
  85%  { opacity: 0.55; }
  100% { opacity: 0; transform: translateY(-80px); }
}
.hero .container {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 4rem;
  padding-top: 2rem;
  padding-bottom: 2rem;
}
.hero-content { flex: 1; max-width: 640px; }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.5rem;
}
.hero-eyebrow::before { content: ''; display: block; width: 28px; height: 1.5px; background: var(--gold); }
.hero h1 {
  font-size: clamp(2.4rem, 4.5vw, 3.75rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  margin-bottom: 1.5rem;
  color: var(--white);
}
.hero h1 em { font-style: normal; color: var(--gold); }
.hero p.lead {
  font-size: 1.05rem;
  color: var(--muted);
  line-height: 1.85;
  margin-bottom: 2.5rem;
  max-width: 520px;
  font-weight: 400;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Hero orb */
.hero-visual-col {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-orb {
  position: relative;
  width: 340px; height: 340px;
  display: flex; align-items: center; justify-content: center;
}
.orb-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid;
  animation: pulseRing 5s ease-in-out infinite;
}
.orb-ring-1 { width: 340px; height: 340px; border-color: rgba(240,165,0,0.08); animation-delay: 0s; }
.orb-ring-2 { width: 240px; height: 240px; border-color: rgba(240,165,0,0.14); animation-delay: -1.6s; }
.orb-ring-3 { width: 150px; height: 150px; border-color: rgba(240,165,0,0.22); animation-delay: -3.2s; }
.orb-core {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(240,165,0,0.9) 0%, rgba(240,165,0,0.15) 100%);
  box-shadow: 0 0 50px rgba(240,165,0,0.4), 0 0 100px rgba(240,165,0,0.15);
  display: flex; align-items: center; justify-content: center;
  color: #07111F;
}
@keyframes pulseRing {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50%       { transform: scale(1.04); opacity: 1; }
}

/* === SECTION BASE === */
section { padding: var(--sp) 0; }
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
}
.section-label::before { content: ''; display: block; width: 20px; height: 1.5px; background: var(--gold); }
.section-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--white);
}
.section-sub {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.85;
  max-width: 480px;
  margin-top: 0.75rem;
}
.section-header { margin-bottom: 3.5rem; }
.section-header.centered { text-align: center; }
.section-header.centered .section-label { justify-content: center; }
.section-header.centered .section-label::before { display: none; }
.section-header.centered .section-sub { margin: 0.75rem auto 0; }

/* === SERVICE CARD (homepage + full) === */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.service-card {
  background: var(--bg-s);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: border-color var(--tr), transform var(--tr), box-shadow var(--tr);
}
.service-card::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(140deg, rgba(240,165,0,0.05) 0%, transparent 55%);
  opacity: 0;
  transition: opacity var(--tr);
}
.service-card:hover { border-color: var(--border-g); transform: translateY(-6px); box-shadow: 0 24px 60px rgba(0,0,0,0.4); }
.service-card:hover::before { opacity: 1; }
.service-icon {
  width: 48px; height: 48px;
  background: rgba(240,165,0,0.1);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  color: var(--gold);
  margin-bottom: 1.5rem;
  transition: all var(--tr);
}
.service-card:hover .service-icon { background: rgba(240,165,0,0.18); transform: scale(1.08); }
.service-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.65rem; }
.service-card p { font-size: 0.88rem; color: var(--muted); line-height: 1.75; }
.card-arrow {
  position: absolute; bottom: 1.5rem; right: 1.5rem;
  color: var(--gold); opacity: 0;
  transform: translateX(-8px);
  transition: all var(--tr);
}
.service-card:hover .card-arrow { opacity: 1; transform: translateX(0); }

/* === STATS === */
.stats-section {
  background: var(--bg-s);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 3.5rem 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
}
.stat-item {
  background: var(--bg-s);
  padding: 2.5rem;
  text-align: center;
}
.stat-number {
  font-family: var(--font-h);
  font-size: 3rem;
  font-weight: 800;
  color: var(--gold);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 0.5rem;
}
.stat-label { font-size: 0.85rem; color: var(--muted); font-weight: 500; }

/* === CTA BANNER === */
.cta-section {
  background: linear-gradient(135deg, var(--bg-s) 0%, var(--bg-e) 100%);
  border-top: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.cta-section::after {
  content: '';
  position: absolute;
  right: -200px; top: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(240,165,0,0.07) 0%, transparent 70%);
  border-radius: 50%;
}
.cta-inner {
  position: relative; z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.cta-inner h2 { font-size: clamp(1.5rem, 2.5vw, 2rem); font-weight: 700; max-width: 520px; }
.cta-inner h2 em { font-style: normal; color: var(--gold); }

/* === PAGE HERO (interior pages) === */
.page-hero {
  background: var(--bg-s);
  border-bottom: 1px solid var(--border);
  padding: 8rem 0 4.5rem;
}
.page-hero-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  margin-bottom: 1rem;
}
.page-hero-sub {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 500px;
  line-height: 1.85;
}
.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}
.breadcrumb-nav a { color: var(--muted); transition: color var(--tr); }
.breadcrumb-nav a:hover { color: var(--gold); }
.breadcrumb-nav span { opacity: 0.5; }

/* === SERVICES FULL PAGE === */
.services-full-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.service-card-full {
  background: var(--bg-s);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
  transition: border-color var(--tr), transform var(--tr), box-shadow var(--tr);
}
.service-card-full::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--teal));
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.4s var(--ease);
}
.service-card-full:hover { border-color: var(--border-g); transform: translateY(-5px); box-shadow: 0 20px 50px rgba(0,0,0,0.35); }
.service-card-full:hover::after { transform: scaleX(1); }
.service-card-full h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 0.85rem; }
.service-card-full p { font-size: 0.92rem; color: var(--muted); line-height: 1.8; }
.service-card-full:last-child:nth-child(odd) { grid-column: 1 / -1; max-width: 560px; margin: 0 auto; }

/* === WHY US === */
.why-section { background: var(--bg-s); border-top: 1px solid var(--border); }
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.why-item {
  text-align: center;
  padding: 2.5rem 2rem;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--bg-e);
  transition: border-color var(--tr), transform var(--tr);
}
.why-item:hover { border-color: rgba(0,206,201,0.3); transform: translateY(-4px); }
.why-icon {
  width: 56px; height: 56px;
  background: rgba(0,206,201,0.1);
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1.25rem;
  color: var(--teal);
  transition: background var(--tr);
}
.why-item:hover .why-icon { background: rgba(0,206,201,0.18); }
.why-item h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.65rem; }
.why-item p { font-size: 0.88rem; color: var(--muted); line-height: 1.75; }

/* === CONTACT === */
.contact-section { padding-top: 8rem; }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 4rem;
  align-items: start;
}
.contact-info h2 { font-size: 2rem; font-weight: 700; margin-bottom: 1rem; }
.contact-info .lead { color: var(--muted); line-height: 1.85; margin-bottom: 2.5rem; font-size: 1rem; }
.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.contact-detail-icon {
  width: 44px; height: 44px;
  background: rgba(240,165,0,0.1);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--gold);
  flex-shrink: 0;
}
.contact-detail strong {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.2rem;
}
.contact-detail span { font-size: 0.95rem; color: var(--white); }

/* === FORM === */
.contact-form-block {
  background: var(--bg-s);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2.5rem;
}
.form-group { margin-bottom: 1.25rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.5rem;
}
.form-control, .form-select {
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--bg-e);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--white);
  font-family: var(--font-b);
  font-size: 0.95rem;
  transition: border-color var(--tr), box-shadow var(--tr);
  outline: none;
  appearance: none;
}
.form-control:focus, .form-select:focus {
  border-color: rgba(240,165,0,0.5);
  box-shadow: 0 0 0 3px rgba(240,165,0,0.1);
}
.form-control::placeholder { color: rgba(143,163,191,0.45); }
select.form-select option { background: var(--bg-s); color: var(--white); }
textarea.form-control { resize: vertical; min-height: 120px; }

/* === TESTIMONIALS === */
.testimonials-section { border-top: 1px solid var(--border); }
.testimonials-grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; max-width: 680px; }
.testimonial-card {
  background: var(--bg-s);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.5rem;
  position: relative;
}
.testimonial-card::before {
  content: '\201C';
  font-family: var(--font-h);
  font-size: 6rem; line-height: 0;
  position: absolute; top: 2.5rem; left: 2rem;
  color: var(--gold); opacity: 0.2;
}
.testimonial-text { font-size: 1rem; color: var(--muted); line-height: 1.85; margin-bottom: 1.5rem; font-style: italic; }
.testimonial-author { font-weight: 700; font-size: 0.9rem; color: var(--white); }
.testimonial-role { font-size: 0.8rem; color: var(--gold); margin-top: 0.2rem; }

/* === FOOTER === */
footer {
  background: var(--bg-s);
  border-top: 1px solid var(--border);
  padding: 3.5rem 0 2rem;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer-brand { font-family: var(--font-h); font-size: 1.35rem; font-weight: 800; margin-bottom: 0.75rem; }
.footer-brand span { color: var(--gold); }
.footer-tagline { font-size: 0.88rem; color: var(--muted); line-height: 1.7; max-width: 280px; }
.footer-nav-title {
  font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 1.1rem;
}
.footer-nav-list li { margin-bottom: 0.6rem; }
.footer-nav-list a { font-size: 0.88rem; color: rgba(241,245,249,0.55); transition: color var(--tr); }
.footer-nav-list a:hover { color: var(--white); }
.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.82rem; color: var(--muted);
}

/* === ALERTS === */
.alert { padding: 0.85rem 1rem; border-radius: 8px; font-size: 0.9rem; margin-top: 1rem; }
.alert-success { background: rgba(0,206,201,0.1); border: 1px solid rgba(0,206,201,0.3); color: var(--teal-lt); }
.alert-danger  { background: rgba(255,99,99,0.1);  border: 1px solid rgba(255,99,99,0.3);  color: #FFAAAA; }

/* === SCROLL REVEAL === */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.d1 { transition-delay: 0.1s; }
.d2 { transition-delay: 0.2s; }
.d3 { transition-delay: 0.3s; }
.d4 { transition-delay: 0.4s; }
.d5 { transition-delay: 0.5s; }

/* === RESPONSIVE === */
@media (max-width: 992px) {
  .navbar-toggler { display: flex; }
  .navbar-nav {
    display: none; flex-direction: column;
    gap: 0.2rem; padding: 0.75rem 0;
    position: absolute; top: 100%; left: 0; right: 0;
    background: rgba(5,16,30,0.97);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.5rem;
  }
  .navbar-nav.show { display: flex; }
  .navbar .container { flex-wrap: wrap; position: relative; }
  .hero .container { flex-direction: column; padding-top: 3rem; text-align: center; }
  .hero-content { max-width: 100%; }
  .hero-actions { justify-content: center; }
  .hero p.lead { margin-left: auto; margin-right: auto; }
  .hero-visual-col { display: none; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .services-full-grid { grid-template-columns: 1fr; }
  .services-full-grid .service-card-full:last-child:nth-child(odd) { max-width: 100%; grid-column: 1; }
  .stats-grid { grid-template-columns: 1fr; gap: 0; }
  .why-grid { grid-template-columns: 1fr 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 768px) {
  :root { --sp: 4rem; }
  .hero h1 { font-size: 2.2rem; }
  .services-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: 0.75rem; text-align: center; }
  .hero-eyebrow::before { display: none; }
}