/* ============================================================
   Back Office Vi — Landing Page Styles
   Brand: Deep red + obsidian black, inspired by the logo
   ============================================================ */

:root {
  --bg: #07070b;
  --bg-2: #0d0d14;
  --surface: #12121c;
  --surface-2: #181826;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);

  --text: #f4f4f7;
  --text-dim: #b4b4c3;
  --text-mute: #7c7c8c;

  --brand: #e11d2a;
  --brand-2: #ff3b48;
  --brand-deep: #8a0d16;
  --brand-glow: rgba(225, 29, 42, 0.45);

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;

  --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 12px 40px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 18px 60px -10px var(--brand-glow);

  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-display: "Space Grotesk", "Inter", system-ui, sans-serif;

  --container: 1200px;
  --nav-h: 76px;
}

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

.container {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}

/* ---------- Background ambiance ---------- */
.bg-gradient {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(225, 29, 42, 0.18), transparent 60%),
    radial-gradient(900px 500px at -10% 30%, rgba(138, 13, 22, 0.18), transparent 60%),
    linear-gradient(180deg, #07070b 0%, #0a0a12 100%);
  overflow: hidden;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.55;
  animation: float 18s ease-in-out infinite;
}
.orb-1 { width: 500px; height: 500px; background: radial-gradient(circle, #e11d2a, transparent 70%); top: -120px; right: -120px; }
.orb-2 { width: 420px; height: 420px; background: radial-gradient(circle, #8a0d16, transparent 70%); bottom: -100px; left: -100px; animation-delay: -6s; }
.orb-3 { width: 360px; height: 360px; background: radial-gradient(circle, #ff3b48, transparent 70%); top: 45%; left: 55%; opacity: 0.25; animation-delay: -12s; }

.grid-overlay {
  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: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 80%);
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(40px, -30px) scale(1.08); }
}

/* ---------- Navigation ---------- */
.nav-wrap {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  background: rgba(7, 7, 11, 0.55);
  border-bottom: 1px solid transparent;
  transition: background 0.3s ease, border-color 0.3s ease;
}
.nav-wrap.scrolled {
  background: rgba(7, 7, 11, 0.85);
  border-bottom-color: var(--border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.brand-logo {
  width: 44px;
  height: 44px;
  object-fit: contain;
  filter: drop-shadow(0 6px 16px rgba(225, 29, 42, 0.45));
}
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}
.brand-tag {
  font-size: 0.72rem;
  color: var(--text-mute);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.accent { color: var(--brand); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-links a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-dim);
  transition: color 0.2s ease;
  position: relative;
}
.nav-links a:not(.btn):hover { color: var(--text); }
.nav-links a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 2px;
  background: var(--brand);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}
.nav-links a:not(.btn):hover::after { transform: scaleX(1); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav-toggle span {
  width: 26px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.9rem 1.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform 0.18s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease;
  white-space: nowrap;
}
.btn-sm { padding: 0.55rem 1.05rem; font-size: 0.85rem; }
.btn-block { width: 100%; }

.btn-primary {
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-deep) 100%);
  color: #fff;
  box-shadow: 0 10px 30px -8px var(--brand-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px -10px var(--brand-glow);
}
.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-strong);
  color: var(--text);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.25);
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  margin: 0;
  letter-spacing: -0.02em;
  line-height: 1.15;
}
h2 { font-size: clamp(1.8rem, 3.2vw, 2.6rem); }
h3 { font-size: 1.3rem; }
h4 { font-size: 1.05rem; }
p { margin: 0; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  background: rgba(255, 255, 255, 0.03);
}
.eyebrow .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 0 4px rgba(225, 29, 42, 0.18);
}
.lead {
  color: var(--text-dim);
  font-size: 1.05rem;
  max-width: 60ch;
}

.gradient-text {
  background: linear-gradient(135deg, #ff5963 0%, var(--brand) 50%, #8a0d16 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Hero ---------- */
.hero {
  padding: clamp(3rem, 8vw, 6rem) 0 clamp(3rem, 6vw, 5rem);
  position: relative;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 4rem;
  align-items: center;
}
.hero-title {
  font-size: clamp(2.3rem, 5.2vw, 4rem);
  font-weight: 700;
  margin: 1.25rem 0 1.25rem;
}
.hero-sub {
  color: var(--text-dim);
  font-size: 1.1rem;
  max-width: 56ch;
  margin-bottom: 2rem;
}
.hero-sub strong { color: var(--text); font-weight: 600; }

.hero-cta { display: flex; flex-wrap: wrap; gap: 0.85rem; }
.hero-stats {
  display: flex;
  gap: 2.5rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}
.stat { display: flex; flex-direction: column; }
.stat-num {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--text);
}
.stat-label {
  font-size: 0.82rem;
  color: var(--text-mute);
  letter-spacing: 0.04em;
}

/* Hero visual */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-image-stage {
  position: relative;
  width: min(540px, 100%);
  aspect-ratio: 3 / 2;
  border-radius: var(--radius-lg);
  isolation: isolate;
  animation: bob 7s ease-in-out infinite;
}
@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(225, 29, 42, 0.25);
  box-shadow:
    0 30px 80px -20px rgba(225, 29, 42, 0.5),
    0 18px 50px -10px rgba(0, 0, 0, 0.6);
  z-index: 2;
  position: relative;
}
.hero-image-glow {
  position: absolute;
  inset: -10%;
  background: radial-gradient(circle at 50% 50%, rgba(225, 29, 42, 0.35), transparent 65%);
  filter: blur(40px);
  z-index: 1;
  animation: pulse 6s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

.chip {
  position: absolute;
  padding: 0.55rem 0.95rem;
  border-radius: 999px;
  background: rgba(18, 18, 28, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border-strong);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  box-shadow: var(--shadow-md);
  z-index: 3;
  animation: chip-float 5s ease-in-out infinite;
}
.chip-1 { top: -5%; left: -5%; animation-delay: 0s; }
.chip-2 { top: 45%; right: -8%; animation-delay: -1.6s; }
.chip-3 { bottom: -5%; left: 10%; animation-delay: -3.2s; }
@keyframes chip-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ---------- Sections ---------- */
.section {
  padding: clamp(4rem, 8vw, 7rem) 0;
  position: relative;
}
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3rem;
}
.section-head h2 { margin: 1rem 0 1rem; }
.section-head .lead { margin-inline: auto; }

/* ---------- Service Cards ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.card {
  position: relative;
  padding: 2rem;
  background: linear-gradient(180deg, var(--surface) 0%, var(--bg-2) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--brand), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.card:hover {
  transform: translateY(-6px);
  border-color: rgba(225, 29, 42, 0.35);
  box-shadow: var(--shadow-glow);
}
.card:hover::before { opacity: 1; }

.card-icon {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(225, 29, 42, 0.18), rgba(225, 29, 42, 0.04));
  border: 1px solid rgba(225, 29, 42, 0.25);
  color: var(--brand-2);
  margin-bottom: 1.25rem;
}
.card-icon svg { width: 26px; height: 26px; }
.card h3 { margin-bottom: 0.6rem; }
.card > p { color: var(--text-dim); font-size: 0.95rem; margin-bottom: 1.25rem; }

.card-list { display: flex; flex-direction: column; gap: 0.5rem; }
.card-list li {
  position: relative;
  padding-left: 1.4rem;
  font-size: 0.9rem;
  color: var(--text-dim);
}
.card-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.55rem;
  width: 6px; height: 6px;
  background: var(--brand);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(225, 29, 42, 0.15);
}

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 3rem;
  align-items: center;
}
.about-grid h2 { margin: 1rem 0 1.25rem; }
.badges {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}
.badge {
  padding: 1.1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.badge strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--brand-2);
  margin-bottom: 0.3rem;
}
.badge span { font-size: 0.86rem; color: var(--text-dim); }

.about-card {
  padding: 2rem;
  background: linear-gradient(180deg, var(--surface) 0%, var(--bg-2) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.about-card h3 { margin-bottom: 1.25rem; }
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.tag-list li {
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--text-dim);
  transition: all 0.2s ease;
}
.tag-list li:hover {
  color: var(--text);
  border-color: rgba(225, 29, 42, 0.4);
  background: rgba(225, 29, 42, 0.08);
}

/* ---------- Process ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  counter-reset: step;
}
.step {
  position: relative;
  padding: 1.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.3s ease, transform 0.3s ease;
}
.step:hover { border-color: rgba(225, 29, 42, 0.3); transform: translateY(-4px); }
.step-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-deep) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: block;
  margin-bottom: 0.5rem;
}
.step h4 { margin-bottom: 0.4rem; }
.step p { font-size: 0.9rem; color: var(--text-dim); }

/* ---------- Contact ---------- */
.contact-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3rem;
}
.contact-head h2 { margin: 1rem 0 1.25rem; }
.contact-head .lead { margin-inline: auto; }
.contact-cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.85rem;
  margin-top: 2rem;
}

.contact-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  max-width: 960px;
  margin-inline: auto;
}
.contact-list li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.5rem;
  background: linear-gradient(180deg, var(--surface) 0%, var(--bg-2) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.contact-list li:hover {
  transform: translateY(-4px);
  border-color: rgba(225, 29, 42, 0.35);
  box-shadow: var(--shadow-glow);
}
.ci {
  width: 44px; height: 44px;
  flex: 0 0 44px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: rgba(225, 29, 42, 0.12);
  border: 1px solid rgba(225, 29, 42, 0.25);
  color: var(--brand-2);
}
.ci svg { width: 20px; height: 20px; }
.ci-label {
  display: block;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-mute);
  margin-bottom: 0.2rem;
}
.contact-list a { transition: color 0.2s ease; }
.contact-list a:hover { color: var(--brand-2); }

/* ---------- Footer ---------- */
.footer {
  margin-top: 3rem;
  padding: 3rem 0 1.5rem;
  border-top: 1px solid var(--border);
  background: rgba(7, 7, 11, 0.6);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  margin-bottom: 2.5rem;
}
.footer-brand {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.footer-brand .brand-logo { width: 50px; height: 50px; }
.footer-brand strong {
  font-family: var(--font-display);
  font-size: 1.1rem;
  display: block;
  margin-bottom: 0.4rem;
}
.footer-brand p {
  color: var(--text-mute);
  font-size: 0.9rem;
  max-width: 32ch;
}
.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.footer-cols h5 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text);
  margin-bottom: 1rem;
}
.footer-cols a,
.footer-cols span {
  display: block;
  font-size: 0.9rem;
  color: var(--text-mute);
  padding: 0.25rem 0;
  transition: color 0.2s ease;
}
.footer-cols a:hover { color: var(--brand-2); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--text-mute);
  flex-wrap: wrap;
  gap: 1rem;
}

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero-grid,
  .about-grid,
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .hero-visual { order: -1; max-width: 480px; margin: 0 auto; width: 100%; }
  .footer-cols { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 760px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: absolute;
    top: var(--nav-h);
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 1rem 1.5rem 1.5rem;
    background: rgba(7, 7, 11, 0.97);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease;
  }
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-links li { border-bottom: 1px solid var(--border); }
  .nav-links li:last-child { border-bottom: 0; padding-top: 0.75rem; }
  .nav-links a:not(.btn) {
    display: block;
    padding: 0.9rem 0;
    font-size: 1rem;
  }
  .nav-links a:not(.btn)::after { display: none; }

  .hero-stats {
    flex-wrap: wrap;
    gap: 1.5rem;
  }
  .footer-cols { grid-template-columns: 1fr; gap: 1.5rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}