/* =====================================================
   VAYUVERSE — Common Base Stylesheet
   Centralized variables, resets, layout components and utilities.
   ===================================================== */

/* ── DESIGN TOKENS ── */
:root {
  --bg: #050505;
  --bg2: #0c0c0c;
  --bg3: #141414;
  --tx: #f4f0ea;
  --tx2: #7c7874;
  --tx3: #38352f;
  --ac: #f3814f;
  --ac2: rgba(201, 241, 53, .1);
  --ac3: rgba(201, 241, 53, .06);
  --bd: rgba(244, 240, 234, .07);
  --bd2: rgba(244, 240, 234, .13);
  --ff: 'Outfit', sans-serif;
  --fb: 'Outfit', sans-serif;
  --fm: 'Space Mono', monospace;
  --eo: cubic-bezier(.16, 1, .3, 1);
  --ei: cubic-bezier(.65, 0, .35, 1);
}

/* ── RESET & BASE TAGS ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--tx);
  font-family: var(--fb);
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body::after {
  content: '';
  position: fixed;
  inset: -200px;
  width: calc(100% + 400px);
  height: calc(100% + 400px);
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity: .03;
  pointer-events: none;
  z-index: 9999;
  animation: grain 1s steps(2) infinite;
}

@keyframes grain {
  0%, 100% { transform: translate(0, 0) }
  25% { transform: translate(-3%, -3%) }
  50% { transform: translate(3%, 3%) }
  75% { transform: translate(-1%, 4%) }
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1) }
  50% { opacity: .45; transform: scale(.65) }
}

@keyframes sl {
  0%, 100% { width: 28px; opacity: 1 }
  50% { width: 12px; opacity: .35 }
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

h1, h2, h3, h4 {
  font-family: var(--ff);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.02em;
}

/* ── SHARED UTILITY CLASSES FOR INLINE STYLE REPLACEMENT ── */
.sec-bg2-border {
  background: var(--bg2) !important;
  border-top: 1px solid var(--bd) !important;
  border-bottom: 1px solid var(--bd) !important;
}

.sec-bg2-border-top {
  background: var(--bg2) !important;
  border-top: 1px solid var(--bd) !important;
}

.sec-bg2-border-bottom {
  background: var(--bg2) !important;
  border-bottom: 1px solid var(--bd) !important;
}

.sec-bg-border-top {
  background: var(--bg) !important;
  border-top: 1px solid var(--bd) !important;
}

/* ── NAV ── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 60px;
  z-index: 1000;
  display: flex;
  align-items: center;
  padding: 0 clamp(20px, 4vw, 56px);
  transition: background .4s, border-color .4s;
}

.nav.solid {
  background: rgba(5, 5, 5, .88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--bd);
}

.nav-logo {
  font-family: var(--ff);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--tx);
}

.nav-logo span {
  color: var(--ac);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  margin-left: auto;
  list-style: none;
}

.nav-links a {
  font-size: .8rem;
  font-weight: 500;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--tx2);
  transition: color .2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--tx);
}

.nav-cta {
  margin-left: 1.75rem;
  padding: .45rem 1.1rem;
  background: var(--ac);
  color: #050505;
  font-family: var(--ff);
  font-weight: 700;
  font-size: .75rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  border-radius: 100px;
  transition: transform .2s var(--eo), background .2s;
}

.nav-cta:hover {
  background: #b8df28;
  transform: scale(1.05);
}

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  margin-left: auto;
  background: none;
  border: none;
  padding: 4px;
}

.nav-burger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--tx);
  transition: transform .3s, opacity .3s;
}

.mobnav {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 998;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
}

.mobnav.on {
  display: flex;
}

.mobnav a {
  font-family: var(--ff);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--tx);
  transition: color .2s;
}

.mobnav a:hover {
  color: var(--ac);
}

.mobnav-close {
  position: absolute;
  top: 20px;
  right: 24px;
  background: none;
  border: none;
  color: var(--tx2);
  font-size: 1.5rem;
  cursor: pointer;
}

@media(max-width:768px) {
  .nav-links, .nav-cta {
    display: none;
  }
  .nav-burger {
    display: flex;
  }
}

/* ── SECTION SHARED ── */
.sec {
  padding: clamp(80px, 10vw, 130px) clamp(20px, 4vw, 56px);
}

.sec-lbl {
  font-family: var(--fm);
  font-size: .65rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--tx3);
  margin-bottom: 1.75rem;
  display: flex;
  align-items: center;
  gap: .75rem;
}

.sec-lbl::before {
  content: '';
  display: block;
  width: 20px;
  height: 1px;
  background: var(--tx3);
}

.sec-h {
  font-family: var(--ff);
  font-weight: 800;
  font-size: clamp(2rem, 4.5vw, 4rem);
  letter-spacing: -.03em;
  line-height: 1.02;
  color: var(--tx);
}

/* ── FAQ ── */
.faq-list {
  border-top: 1px solid var(--bd);
  margin-top: 3.5rem;
}

.faq-item {
  border-bottom: 1px solid var(--bd);
}

.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.625rem 0;
  font-family: var(--ff);
  font-size: clamp(.9rem, 1.5vw, 1.1rem);
  font-weight: 600;
  color: var(--tx);
  letter-spacing: -.01em;
  transition: color .2s;
}

.faq-q:hover {
  color: var(--ac);
}

.faq-ico {
  width: 26px;
  height: 26px;
  border: 1px solid var(--bd2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all .3s var(--eo);
}

.faq-item.open .faq-ico {
  background: var(--ac);
  border-color: var(--ac);
  transform: rotate(45deg);
}

.faq-ico svg {
  width: 11px;
  height: 11px;
  color: var(--tx);
}

.faq-item.open .faq-ico svg {
  color: #050505;
}

.faq-body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .4s var(--eo);
}

.faq-item.open .faq-body {
  grid-template-rows: 1fr;
}

.faq-a {
  overflow: hidden;
  font-size: .9rem;
  color: var(--tx2);
  line-height: 1.75;
  padding-bottom: 0;
  max-width: 640px;
  transition: padding-bottom .4s var(--eo);
}

.faq-item.open .faq-a {
  padding-bottom: 1.75rem;
}

/* ── FOOTER CTA ── */
.ftcta {
  background: var(--bg2);
  border-top: 1px solid var(--bd);
  padding: clamp(80px, 10vw, 130px) clamp(20px, 4vw, 56px);
}

.ftcta-lbl {
  font-family: var(--fm);
  font-size: .65rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--tx3);
  margin-bottom: 1.75rem;
  display: flex;
  align-items: center;
  gap: .75rem;
}

.ftcta-lbl::before {
  content: '';
  display: block;
  width: 20px;
  height: 1px;
  background: var(--tx3);
}

.ftcta-h {
  font-family: var(--ff);
  font-weight: 800;
  font-size: clamp(3rem, 9vw, 8.5rem);
  letter-spacing: -.04em;
  line-height: .88;
  color: var(--tx);
  margin-bottom: 3rem;
}

.ftcta-h em {
  font-style: italic;
  color: var(--ac);
  font-weight: 700;
}

.ftcta-acts {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.ftcta-email {
  font-family: var(--fm);
  font-size: .8rem;
  color: var(--tx2);
  letter-spacing: .04em;
  transition: color .2s;
}

.ftcta-email:hover {
  color: var(--tx);
}

/* ── FOOTER ── */
footer {
  background: var(--bg2);
  border-top: 1px solid var(--bd);
  padding: 3.5rem clamp(20px, 4vw, 56px) 2rem;
}

.ft-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--bd);
}

.ft-logo {
  display: inline-block;
  font-family: var(--ff);
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.ft-logo span {
  color: var(--ac);
}

.ft-desc {
  font-size: .8375rem;
  color: var(--tx2);
  line-height: 1.65;
  max-width: 280px;
}

.ft-col-t {
  font-family: var(--fm);
  font-size: .625rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--tx3);
  margin-bottom: 1.1rem;
}

.ft-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

.ft-links a {
  font-size: .8375rem;
  color: var(--tx2);
  transition: color .2s;
}

.ft-links a:hover {
  color: var(--tx);
}

.ft-bot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.75rem;
  font-size: .775rem;
  color: var(--tx3);
}

.ft-soc {
  display: flex;
  gap: .875rem;
}

.ft-soc a {
  width: 30px;
  height: 30px;
  border: 1px solid var(--bd);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color .2s, background .2s;
}

.ft-soc a:hover {
  border-color: rgba(244, 240, 234, .3);
  background: var(--bg3);
}

.ft-soc svg {
  width: 13px;
  height: 13px;
  color: var(--tx2);
}

@media(max-width:900px) {
  .ft-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media(max-width:540px) {
  .ft-grid {
    grid-template-columns: 1fr;
  }
  .ft-bot {
    flex-direction: column;
    gap: .75rem;
    text-align: center;
  }
}

.g-hide {
  opacity: 0;
}

/* ── RELATED SERVICES ── */
.rel-list {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: .875rem;
  margin-top: 2rem;
}

.svc-link {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-family: var(--ff);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--ac);
  transition: gap .2s;
  text-decoration: none;
}

.svc-link:hover {
  gap: .6rem;
}