/* ════════════════════════════════════════════
   MERIDIAN DESIGN TOKENS
════════════════════════════════════════════ */
:root {
  --blue: #1a56db;
  --blue-dk: #1343b0;
  --blue-xdk: #0d2d7a;
  --blue-mid: #3b82f6;
  --blue-lt: #dbeafe;
  --offwhite: #f0f5ff;
  --paper: #e8eef8;
  --white: #ffffff;
  --black: #0a0f1e;
  --black2: #111827;
  --muted: #4b5e8a;
  --border: rgba(26, 86, 219, 0.18);
  --accent: #16a34a;
  --orange: #f59e0b;
  --red: #dc2626;
  --font-h: 'Plus Jakarta Sans', sans-serif;
  --font-d: 'DM Serif Display', serif;
  --font-m: 'Space Mono', monospace;
  --ease-mag: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-spr: cubic-bezier(0.34, 1.56, 0.64, 1);
  --admin-bg: #0a0f1e;
  --admin-side: #111827;
  --admin-card: #1a2235;
  --admin-text: #e2e8f0;
  --admin-muted: #64748b;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--offwhite);
  color: var(--black);
  font-family: var(--font-h);
  overflow-x: hidden;
  cursor: none;
}

/* noise overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9998;
  opacity: .03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 128px;
}

/* custom cursor */
#cur {
  position: fixed;
  width: 20px;
  height: 20px;
  pointer-events: none;
  z-index: 10000;
  transform: translate(-50%, -50%);
}

#cur::before,
#cur::after {
  content: '';
  position: absolute;
  background: var(--blue);
}

#cur::before {
  width: 2px;
  height: 20px;
  left: 9px;
  top: 0;
}

#cur::after {
  width: 20px;
  height: 2px;
  top: 9px;
  left: 0;
}

#cur-dot {
  position: fixed;
  width: 6px;
  height: 6px;
  background: var(--blue);
  border-radius: 50%;
  pointer-events: none;
  z-index: 10001;
  transform: translate(-50%, -50%);
  transition: transform .1s;
}

::-webkit-scrollbar {
  width: 4px;
}

::-webkit-scrollbar-track {
  background: var(--paper);
}

::-webkit-scrollbar-thumb {
  background: var(--blue);
}

.reveal {
  opacity: 0;
  transform: translateY(32px);
}

.s-mono {
  font-family: var(--font-m);
  font-size: .65rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: .85rem;
  display: block;
}

/* ════════ NAV ════════ */
#nav {
  position: fixed;
  top: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  width: calc(100% - 3rem);
  max-width: 1200px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .85rem 1.5rem;
  border: 2px solid transparent;
  border-radius: 2rem;
  transition: background .35s var(--ease-mag), border-color .35s;
}

#nav.scrolled {
  background: rgba(240, 245, 255, .92);
  backdrop-filter: blur(18px);
  border-color: var(--blue);
}

.nav-logo {
  font-family: var(--font-m);
  font-weight: 700;
  font-size: .95rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--white);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: .6rem;
}

#nav.scrolled .nav-logo {
  color: var(--black);
}

.nav-logo-box {
  width: 28px;
  height: 28px;
  background: var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
}

.nav-logo-box svg {
  width: 16px;
  height: 16px;
}

.nav-logo .accent {
  color: var(--blue-mid);
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-family: var(--font-m);
  font-size: .63rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .5);
  text-decoration: none;
  transition: color .2s;
}

#nav.scrolled .nav-links a {
  color: rgba(10, 15, 30, .45);
}

.nav-links a:hover {
  color: var(--white) !important;
}

#nav.scrolled .nav-links a:hover {
  color: var(--blue) !important;
}

.btn-nav {
  font-family: var(--font-m);
  font-size: .62rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--white);
  background: var(--blue);
  border: 2px solid var(--blue);
  padding: .55rem 1.3rem;
  border-radius: 2rem;
  cursor: none;
  position: relative;
  overflow: hidden;
  transition: transform .25s var(--ease-mag);
}

.btn-nav .sl {
  position: absolute;
  inset: 0;
  background: var(--blue-dk);
  transform: translateX(-101%);
  transition: transform .3s var(--ease-mag);
  z-index: 0;
}

.btn-nav:hover .sl {
  transform: translateX(0);
}

.btn-nav span {
  position: relative;
  z-index: 1;
}

/* ════════ HERO ════════ */
#hero {
  height: 100dvh;
  position: relative;
  display: flex;
  align-items: flex-end;
  padding: 0 5vw 8vh;
  overflow: hidden;
  background: var(--black);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('https://images.unsplash.com/photo-1494412651409-8963ce7935a7?w=1900&q=85');
  background-size: cover;
  background-position: center;
  filter: brightness(.18) saturate(.4) hue-rotate(180deg);
  will-change: transform;
}

.hero-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(26, 86, 219, .07) 1px, transparent 1px), linear-gradient(90deg, rgba(26, 86, 219, .07) 1px, transparent 1px);
  background-size: 80px 80px;
}

.hero-slash {
  position: absolute;
  top: 0;
  right: 15%;
  width: 2px;
  height: 100%;
  background: linear-gradient(to bottom, transparent, rgba(26, 86, 219, .5), transparent);
  transform: skewX(-8deg);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--black) 0%, rgba(10, 15, 30, .55) 55%, transparent 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 920px;
}

.hero-tag {
  font-family: var(--font-m);
  font-size: .65rem;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: var(--blue-mid);
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  opacity: 0;
}

.hero-tag-line {
  width: 40px;
  height: 2px;
  background: var(--blue);
}

.hero-l1 {
  font-family: var(--font-h);
  font-size: clamp(2.8rem, 6vw, 6.5rem);
  font-weight: 800;
  letter-spacing: -.04em;
  line-height: .95;
  color: var(--offwhite);
  text-transform: uppercase;
  opacity: 0;
}

.hero-l2 {
  font-family: var(--font-d);
  font-style: italic;
  font-size: clamp(3.5rem, 8vw, 9rem);
  letter-spacing: -.02em;
  line-height: .9;
  color: var(--blue-mid);
  opacity: 0;
}

.hero-sub {
  font-family: var(--font-m);
  font-size: .78rem;
  color: rgba(240, 245, 255, .4);
  line-height: 1.8;
  max-width: 460px;
  margin-top: 2rem;
  letter-spacing: .03em;
  opacity: 0;
}

.track-bar {
  margin-top: 2.5rem;
  display: flex;
  align-items: stretch;
  max-width: 560px;
  border: 2px solid rgba(26, 86, 219, .4);
  border-radius: 2rem;
  overflow: hidden;
  opacity: 0;
  transition: border-color .3s;
}

.track-bar:focus-within {
  border-color: var(--blue);
}

.track-bar input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--font-m);
  font-size: .75rem;
  letter-spacing: .06em;
  color: var(--offwhite);
  padding: .85rem 1.5rem;
}

.track-bar input::placeholder {
  color: rgba(240, 245, 255, .22);
}

.btn-track {
  font-family: var(--font-m);
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--white);
  background: var(--blue);
  border: none;
  padding: .85rem 1.75rem;
  cursor: none;
  position: relative;
  overflow: hidden;
  transition: transform .25s var(--ease-mag);
  white-space: nowrap;
}

.btn-track .sl {
  position: absolute;
  inset: 0;
  background: var(--blue-dk);
  transform: translateX(-101%);
  transition: transform .3s var(--ease-mag);
  z-index: 0;
}

.btn-track:hover .sl {
  transform: translateX(0);
}

.btn-track span {
  position: relative;
  z-index: 1;
}

.hero-data {
  position: absolute;
  top: 7rem;
  right: 5vw;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  opacity: 0;
}

.data-row {
  display: flex;
  align-items: baseline;
  gap: .6rem;
  border-left: 2px solid var(--blue);
  padding-left: .75rem;
}

.data-val {
  font-family: var(--font-m);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--offwhite);
}

.data-lbl {
  font-family: var(--font-m);
  font-size: .58rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(240, 245, 255, .3);
}

/* ════════ TICKER ════════ */
.tkr {
  background: var(--blue);
  padding: .6rem 0;
  overflow: hidden;
  white-space: nowrap;
  border-top: 2px solid var(--blue-xdk);
  border-bottom: 2px solid var(--blue-xdk);
}

.tkr-t {
  display: inline-flex;
  animation: tkr 30s linear infinite;
}

.tkr-i {
  font-family: var(--font-m);
  font-size: .62rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .9);
  padding: 0 2.5rem;
}

.tkr-s {
  opacity: .35;
}

@keyframes tkr {
  0% {
    transform: translateX(0)
  }

  100% {
    transform: translateX(-50%)
  }
}

/* ════════ FEATURES ════════ */
#features {
  background: var(--offwhite);
  padding: 7rem 5vw;
}

.feat-hdr {
  max-width: 560px;
  margin-bottom: 4.5rem;
}

.s-title {
  font-family: var(--font-h);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -.04em;
  line-height: 1;
  text-transform: uppercase;
  color: var(--black);
}

.s-title em {
  font-family: var(--font-d);
  font-style: italic;
  font-weight: 400;
  text-transform: none;
  color: var(--blue);
}

.feat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 2px solid var(--blue);
  border-radius: 2rem;
  overflow: hidden;
}

.fc {
  background: var(--paper);
  border-right: 2px solid var(--blue);
  padding: 2.25rem 2rem;
  display: flex;
  flex-direction: column;
  min-height: 380px;
  position: relative;
  overflow: hidden;
  transition: background .25s;
}

.fc:last-child {
  border-right: none;
}

.fc:hover {
  background: var(--blue-lt);
}

.fc-n {
  font-family: var(--font-m);
  font-size: .58rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: .6rem;
}

.fc-t {
  font-family: var(--font-h);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--black);
  margin-bottom: .4rem;
  text-transform: uppercase;
}

.fc-d {
  font-family: var(--font-m);
  font-size: .68rem;
  color: var(--muted);
  line-height: 1.7;
  letter-spacing: .02em;
  margin-bottom: 1.5rem;
}

.fc-ui {
  flex: 1;
  position: relative;
}

.gps-stack {
  position: relative;
  height: 175px;
}

.gps-item {
  position: absolute;
  width: 100%;
  background: var(--white);
  border: 2px solid var(--blue);
  border-radius: 1rem;
  padding: .8rem 1rem;
  display: flex;
  align-items: center;
  gap: .75rem;
  transition: all .5s var(--ease-spr);
}

.gps-ic {
  width: 28px;
  height: 28px;
  background: var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .85rem;
  flex-shrink: 0;
  border-radius: 6px;
}

.gps-nm {
  font-family: var(--font-m);
  font-size: .68rem;
  font-weight: 700;
  color: var(--black);
  letter-spacing: .04em;
}

.gps-co {
  font-family: var(--font-m);
  font-size: .58rem;
  color: var(--muted);
  margin-top: .1rem;
}

.gps-bd {
  margin-left: auto;
  font-family: var(--font-m);
  font-size: .56rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .18rem .5rem;
  border: 1px solid currentColor;
  white-space: nowrap;
  flex-shrink: 0;
  border-radius: 4px;
}

.bd-r {
  color: #c2410c;
}

.bd-g {
  color: #2E7D32;
}

.bd-b {
  color: var(--blue);
}

.af {
  background: var(--black);
  border: 2px solid rgba(26, 86, 219, .3);
  border-radius: 1rem;
  padding: 1rem 1.1rem;
  height: 170px;
  overflow: hidden;
  position: relative;
}

.af-hdr {
  display: flex;
  align-items: center;
  gap: .5rem;
  margin-bottom: .7rem;
  border-bottom: 1px solid rgba(26, 86, 219, .2);
  padding-bottom: .7rem;
}

.af-live {
  width: 6px;
  height: 6px;
  background: var(--blue-mid);
  border-radius: 50%;
  animation: afp 1.2s ease-in-out infinite;
}

@keyframes afp {

  0%,
  100% {
    opacity: 1
  }

  50% {
    opacity: .3
  }
}

.af-lbl {
  font-family: var(--font-m);
  font-size: .58rem;
  letter-spacing: .18em;
  color: var(--blue-mid);
  text-transform: uppercase;
}

.af-ts {
  font-family: var(--font-m);
  font-size: .55rem;
  color: rgba(255, 255, 255, .2);
  margin-left: auto;
}

.af-body {
  font-family: var(--font-m);
  font-size: .68rem;
  line-height: 1.9;
  color: rgba(240, 245, 255, .55);
}

.af-cur {
  display: inline-block;
  width: 7px;
  height: 1em;
  background: var(--blue-mid);
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: blink .9s step-end infinite;
}

@keyframes blink {

  0%,
  100% {
    opacity: 1
  }

  50% {
    opacity: 0
  }
}

.coc {
  display: flex;
  flex-direction: column;
  gap: .4rem;
}

.coc-step {
  display: flex;
  align-items: center;
  gap: .7rem;
  padding: .6rem .85rem;
  border: 2px solid var(--blue);
  background: var(--white);
  border-radius: .75rem;
  transition: all .3s var(--ease-spr);
}

.coc-step.done {
  background: var(--blue-xdk);
  border-color: var(--blue-xdk);
}

.coc-step.active {
  background: var(--blue);
  border-color: var(--blue);
}

.coc-step.pending {
  opacity: .4;
}

.coc-ic {
  font-size: .9rem;
  flex-shrink: 0;
}

.coc-nm {
  font-family: var(--font-m);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .04em;
  flex: 1;
  text-transform: uppercase;
}

.coc-step.done .coc-nm,
.coc-step.active .coc-nm {
  color: #fff;
}

.coc-step.pending .coc-nm {
  color: var(--muted);
}

.coc-tm {
  font-family: var(--font-m);
  font-size: .55rem;
}

.coc-step.done .coc-tm,
.coc-step.active .coc-tm {
  color: rgba(255, 255, 255, .5);
}

/* ════════ PHILOSOPHY ════════ */
#phil {
  background: var(--black);
  position: relative;
  padding: 9rem 5vw;
  overflow: hidden;
}

.phil-bg {
  position: absolute;
  inset: 0;
  background-image: url('https://images.unsplash.com/photo-1558618666-fcd25c85cd64?w=1600&q=80');
  background-size: cover;
  opacity: .05;
  filter: saturate(0);
}

.phil-grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(26, 86, 219, .06) 1px, transparent 1px), linear-gradient(90deg, rgba(26, 86, 219, .06) 1px, transparent 1px);
  background-size: 60px 60px;
}

.phil-stripe {
  position: absolute;
  top: 0;
  left: 8%;
  width: 3px;
  height: 100%;
  background: linear-gradient(to bottom, transparent, var(--blue), var(--blue), transparent);
}

.phil-c {
  position: relative;
  z-index: 2;
  max-width: 960px;
  padding-left: calc(8% + 3rem);
}

.phil-sm {
  font-family: var(--font-m);
  font-size: clamp(.85rem, 1.5vw, 1.1rem);
  color: rgba(240, 245, 255, .22);
  line-height: 1.7;
  margin-bottom: 2.5rem;
}

.phil-lg {
  font-family: var(--font-d);
  font-style: italic;
  font-size: clamp(2.5rem, 5.5vw, 5.5rem);
  color: var(--offwhite);
  line-height: 1.05;
}

.phil-lg .acc {
  color: var(--blue-mid);
}

.pw {
  display: inline-block;
  opacity: 0;
  transform: translateY(16px);
}

/* ════════ PROTOCOL ════════ */
#proto {
  padding: 7rem 5vw;
  background: var(--paper);
}

.proto-hdr {
  max-width: 560px;
  margin-bottom: 5rem;
}

.sc {
  background: var(--white);
  border: 2px solid var(--blue);
  border-radius: 2rem;
  min-height: 460px;
  padding: 3.5rem;
  display: flex;
  align-items: center;
  gap: 4rem;
  position: sticky;
  top: 6rem;
  margin-bottom: 1.5rem;
  overflow: hidden;
}

.sc::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--blue);
}

.sc-canvas {
  width: 200px;
  height: 200px;
  flex-shrink: 0;
}

.sc-info {
  flex: 1;
}

.sc-num {
  font-family: var(--font-m);
  font-size: .62rem;
  letter-spacing: .2em;
  color: var(--blue);
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.sc-t {
  font-family: var(--font-h);
  font-size: clamp(1.6rem, 3vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -.04em;
  text-transform: uppercase;
  color: var(--black);
  margin-bottom: 1rem;
}

.sc-d {
  font-family: var(--font-m);
  font-size: .78rem;
  color: var(--muted);
  line-height: 1.75;
  max-width: 400px;
}

/* ════════ SERVICES ════════ */
#services {
  background: var(--offwhite);
  padding: 7rem 5vw;
}

.svc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 2px solid var(--blue);
  border-radius: 2rem;
  overflow: hidden;
}

.svc {
  background: var(--paper);
  border-right: 2px solid var(--blue);
  border-bottom: 2px solid var(--blue);
  padding: 2.25rem 2rem;
  transition: background .25s;
}

.svc:nth-child(3n) {
  border-right: none;
}

.svc:nth-child(n+4) {
  border-bottom: none;
}

.svc:hover {
  background: var(--blue-lt);
}

.svc-icon {
  width: 44px;
  height: 44px;
  background: var(--blue);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 14px;
}

.svc h3 {
  font-family: var(--font-h);
  font-size: .95rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--black);
  margin-bottom: 8px;
}

.svc p {
  font-family: var(--font-m);
  font-size: .68rem;
  color: var(--muted);
  line-height: 1.7;
}

/* responsive */
@media(max-width:900px) {
  .feat-grid {
    grid-template-columns: 1fr;
  }

  .svc-grid {
    grid-template-columns: 1fr 1fr;
  }

  #nav .nav-links {
    display: none;
  }

  .sc {
    flex-direction: column;
    padding: 2rem;
  }

  .hero-data {
    display: none;
  }
}

@media(max-width:600px) {
  .svc-grid {
    grid-template-columns: 1fr;
  }

  #features,
  #phil,
  #proto,
  #services {
    padding: 4rem 5vw;
  }

  #nav {
    width: calc(100% - 2rem);
    padding: 0.6rem 1rem;
  }

  .btn-nav {
    padding: 0.5rem 1rem;
    font-size: 0.55rem;
  }

  .nav-logo {
    font-size: 0.8rem;
  }

  .nav-logo-box {
    width: 24px;
    height: 24px;
  }

  .track-bar {
    margin-top: 1.5rem;
  }

  .track-bar input {
    padding: 0.8rem 1rem;
    font-size: 0.65rem;
  }

  .btn-track {
    padding: 0.8rem 1.25rem;
    font-size: 0.6rem;
  }
}