/* =============================================
   VIDEO911 — MAIN STYLESHEET
   ============================================= */

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

:root {
  --clr-bg:         #0a0d12;
  --clr-bg-2:       #0f1318;
  --clr-bg-3:       #151b24;
  --clr-surface:    #1a2231;
  --clr-border:     rgba(255,255,255,0.08);
  --clr-accent:     #e63946;
  --clr-accent-dk:  #b52a35;
  --clr-blue:       #3a86ff;
  --clr-orange:     #ff9f1c;
  --clr-green:      #2ec4b6;
  --clr-purple:     #8338ec;
  --clr-teal:       #06d6a0;
  --clr-text:       #e8edf3;
  --clr-text-muted: #7a8a9e;
  --clr-text-dim:   #4a5568;
  --radius-sm:      6px;
  --radius-md:      12px;
  --radius-lg:      20px;
  --shadow-card:    0 4px 24px rgba(0,0,0,0.3);
  --shadow-float:   0 16px 48px rgba(0,0,0,0.5);
  --transition:     0.25s ease;
  --font:           'Inter', system-ui, -apple-system, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--clr-bg);
  color: var(--clr-text);
  font-family: var(--font);
  font-size: 18px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
ul { list-style: none; }

/* --- Layout --- */
.container {
  width: min(1200px, 100% - 3rem);
  margin-inline: auto;
}

.section { padding: 100px 0; }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}
.btn-sm { padding: 0.5rem 1.1rem; font-size: 0.95rem; }
.btn-lg { padding: 1rem 2.5rem; font-size: 1.1rem; }
.btn-full { width: 100%; }

.btn-primary {
  background: var(--clr-accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--clr-accent-dk);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(230,57,70,0.35);
}

.btn-ghost {
  background: transparent;
  color: var(--clr-text);
  border: 1.5px solid var(--clr-border);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.2);
  color: #fff;
}

/* --- Section Headers --- */
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 64px;
}
.section-label {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: 0.75rem;
}
.section-title {
  font-size: clamp(2.25rem, 4.5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.15;
  color: #fff;
  margin-bottom: 1rem;
}
.section-desc {
  color: var(--clr-text-muted);
  font-size: 1.2rem;
}
.text-accent { color: var(--clr-accent); }

/* =============================================
   HEADER / NAV
   ============================================= */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1rem 0;
  transition: background var(--transition), backdrop-filter var(--transition), border-color var(--transition);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(10, 13, 18, 0.9);
  backdrop-filter: blur(12px);
  border-bottom-color: var(--clr-border);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.nav-logo { display: flex; align-items: center; }
.logo-text {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #fff;
}
.logo-accent { color: var(--clr-accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.nav-links a {
  padding: 0.5rem 0.9rem;
  font-size: 1rem;
  font-weight: 500;
  color: var(--clr-text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.nav-links a:hover { color: #fff; background: rgba(255,255,255,0.06); }
.nav-links .btn { margin-left: 0.5rem; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =============================================
   HERO
   ============================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  background-image: url('https://images.unsplash.com/photo-1477959858617-67f85cf4f1df?auto=format&fit=crop&w=1920&q=80');
  background-size: cover;
  background-position: center top;
}
/* Dark overlay so text stays legible */
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10,13,18,0.82) 0%,
    rgba(10,13,18,0.72) 50%,
    rgba(10,13,18,0.85) 100%
  );
}
.hero-bg::before {
  content: '';
  position: absolute;
  top: -30%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 900px;
  background: radial-gradient(circle, rgba(230,57,70,0.14) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}
.hero-headline {
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: #fff;
  margin-bottom: 1.5rem;
}

.hero-sub {
  font-size: 1.35rem;
  color: var(--clr-text-muted);
  max-width: 640px;
  margin-bottom: 2.5rem;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3.5rem;
}


/* =============================================
   SERVICES
   ============================================= */
.services {
  background-color: var(--clr-bg-2);
  background-image:
    linear-gradient(rgba(15,19,24,0.93), rgba(15,19,24,0.93)),
    url('https://images.unsplash.com/photo-1558618666-fcd25c85cd64?auto=format&fit=crop&w=1920&q=80');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}
.service-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.service-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255,255,255,0.14);
  box-shadow: var(--shadow-card);
}
.service-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}
.service-icon svg { width: 22px; height: 22px; }
.icon-blue   { background: rgba(58,134,255,0.15); color: #3a86ff; }
.icon-red    { background: rgba(230,57,70,0.15);  color: #e63946; }
.icon-orange { background: rgba(255,159,28,0.15); color: #ff9f1c; }
.icon-green  { background: rgba(46,196,182,0.15); color: #2ec4b6; }
.icon-purple { background: rgba(131,56,236,0.15); color: #8338ec; }
.icon-teal   { background: rgba(6,214,160,0.15);  color: #06d6a0; }
.service-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.5rem;
}
.service-card p {
  color: var(--clr-text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* =============================================
   ABOUT
   ============================================= */
.about { background: var(--clr-bg); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .about-visual { order: -1; }
}

.about-visual {
  position: relative;
}
.about-screen {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-float);
}
.screen-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--clr-bg-3);
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--clr-border);
}
.screen-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
}
.screen-dot.red    { background: #ff5f57; }
.screen-dot.yellow { background: #febc2e; }
.screen-dot.green  { background: #28c840; }
.screen-title {
  font-size: 0.78rem;
  color: var(--clr-text-muted);
  margin-left: 0.25rem;
}
.screen-body { padding: 1.25rem; }
.feed-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.feed-item {
  background: var(--clr-bg-3);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  position: relative;
  overflow: hidden;
  min-height: 80px;
}
.feed-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(58,134,255,0.04) 0%, transparent 60%);
}
.feed-item.active { border-color: rgba(58,134,255,0.3); }
.feed-item.alert  { border-color: rgba(230,57,70,0.4); background: rgba(230,57,70,0.05); }
.feed-label {
  font-size: 0.7rem;
  color: var(--clr-text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.feed-status { font-size: 0.7rem; font-weight: 700; }
.feed-status.live  { color: #28c840; }
.feed-status.alert-text { color: var(--clr-accent); }
.alert-bar {
  background: rgba(230,57,70,0.1);
  border: 1px solid rgba(230,57,70,0.2);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.85rem;
  font-size: 0.75rem;
  color: #f08080;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.alert-icon { font-size: 0.875rem; }

.about-badge-float {
  position: absolute;
  bottom: -1rem;
  right: -1rem;
  background: var(--clr-accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 24px rgba(230,57,70,0.4);
}

.about-text .section-label { margin-bottom: 0.5rem; }
.about-text .section-title { margin-bottom: 1rem; }
.about-text p {
  color: var(--clr-text-muted);
  font-size: 1.1rem;
  margin-bottom: 1rem;
}
.about-list {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.about-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--clr-text);
  font-size: 1.1rem;
}
.about-list li svg {
  flex-shrink: 0;
  width: 18px; height: 18px;
  color: var(--clr-accent);
}

/* =============================================
   WHY US
   ============================================= */
.why-us {
  background-color: var(--clr-bg-2);
  background-image:
    linear-gradient(rgba(15,19,24,0.90), rgba(15,19,24,0.90)),
    url('https://images.unsplash.com/photo-1526374965328-7f61d4dc18c5?auto=format&fit=crop&w=1920&q=80');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
}
.why-card {
  background: var(--clr-bg-3);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 2rem;
}
.why-number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--clr-accent);
  opacity: 0.3;
  line-height: 1;
  margin-bottom: 1rem;
  font-variant-numeric: tabular-nums;
}
.why-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.5rem;
}
.why-card p {
  color: var(--clr-text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* =============================================
   CONTACT
   ============================================= */
.contact {
  background-color: var(--clr-bg);
  background-image:
    linear-gradient(rgba(10,13,18,0.92), rgba(10,13,18,0.92)),
    url('https://images.unsplash.com/photo-1504384308090-c894fdcc538d?auto=format&fit=crop&w=1920&q=80');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 5rem;
  align-items: start;
}
@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
}

.contact-info .section-label { margin-bottom: 0.5rem; }
.contact-info .section-title { margin-bottom: 1rem; }
.contact-info > p {
  color: var(--clr-text-muted);
  margin-bottom: 2rem;
}
.contact-items { display: flex; flex-direction: column; gap: 1.25rem; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}
.contact-icon {
  flex-shrink: 0;
  width: 44px; height: 44px;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}
.contact-icon svg { width: 18px; height: 18px; color: var(--clr-accent); }
.contact-item strong {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--clr-text-dim);
  margin-bottom: 0.15rem;
}
.contact-item a,
.contact-item span {
  font-size: 1.1rem;
  color: var(--clr-text);
}
.contact-item a:hover { color: var(--clr-accent); }

/* Form */
.contact-form {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.form-group label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--clr-text-muted);
  letter-spacing: 0.02em;
}
.form-group label span { color: var(--clr-accent); }
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--clr-bg-3);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  color: var(--clr-text);
  font-family: var(--font);
  font-size: 1rem;
  padding: 0.7rem 0.95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  width: 100%;
}
.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%237a8a9e' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.875rem center;
  padding-right: 2.5rem;
}
.form-group select option { background: var(--clr-bg-3); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 3px rgba(230,57,70,0.12);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--clr-text-dim); }
.form-group textarea { resize: vertical; min-height: 100px; }

.form-note {
  font-size: 0.78rem;
  color: var(--clr-text-dim);
  text-align: center;
}
.form-success {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: rgba(46,196,182,0.1);
  border: 1px solid rgba(46,196,182,0.25);
  border-radius: var(--radius-sm);
  color: #2ec4b6;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.75rem;
}
.form-success svg { width: 18px; height: 18px; }

/* =============================================
   FOOTER
   ============================================= */
.site-footer {
  background: var(--clr-bg-3);
  border-top: 1px solid var(--clr-border);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  padding: 60px 0 40px;
}
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
}

.footer-brand p {
  color: var(--clr-text-muted);
  font-size: 1rem;
  margin-top: 0.75rem;
  max-width: 300px;
  line-height: 1.6;
}
.footer-trademark {
  font-size: 0.75rem !important;
  color: var(--clr-text-dim) !important;
  margin-top: 0.5rem !important;
}

.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-text-muted);
  margin-bottom: 1rem;
}
.footer-col ul { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-col a {
  font-size: 1rem;
  color: var(--clr-text-dim);
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--clr-text); }

.footer-bottom {
  border-top: 1px solid var(--clr-border);
  padding: 1.25rem 0;
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.footer-bottom p { font-size: 0.8rem; color: var(--clr-text-dim); }
.footer-legal {
  display: flex;
  gap: 1.5rem;
}
.footer-legal a {
  font-size: 0.8rem;
  color: var(--clr-text-dim);
  transition: color var(--transition);
}
.footer-legal a:hover { color: var(--clr-text); }

/* =============================================
   RESPONSIVE — MOBILE NAV
   ============================================= */
@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: 0; right: 0;
    width: 280px;
    height: 100vh;
    background: var(--clr-bg-3);
    border-left: 1px solid var(--clr-border);
    flex-direction: column;
    align-items: flex-start;
    padding: 5rem 1.5rem 2rem;
    gap: 0.25rem;
    transform: translateX(100%);
    transition: transform var(--transition);
    z-index: 99;
  }
  .nav-links.open { transform: translateX(0); }
  .nav-links a { width: 100%; padding: 0.65rem 1rem; font-size: 1rem; }
  .nav-links .btn { margin-left: 0; width: 100%; margin-top: 0.5rem; justify-content: center; }

  .hero-stats {
    flex-direction: row;
    overflow-x: auto;
  }
  .stat { padding: 0.75rem 1.25rem; }
  .stat-divider { margin: 0.25rem 0; }
}

@media (max-width: 768px) {
  /* Fixed backgrounds cause jitter on iOS — switch to scroll */
  .services, .why-us, .contact {
    background-attachment: scroll;
  }
}

@media (max-width: 480px) {
  .section { padding: 72px 0; }
  .hero { padding: 100px 0 60px; }
  .hero-headline { font-size: 2.75rem; }
  .services-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
}