:root {
  --ink:        #101828;
  --paper:      #F7F9FB;
  --line:       #D9E0E8;
  --ghost:      #6B7688;
  --blue-deep:  #1D4ED8;
  --teal:       #14B8A6;
  --verified:   linear-gradient(135deg, #1D4ED8 0%, #3B82F6 40%, #14B8A6 78%, #0D9488 100%);

  --radius: 3px;
  --maxw: 1200px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Public Sans", system-ui, -apple-system, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1 {
  font-family: "Archivo", system-ui, sans-serif;
  font-weight: 800;
  font-stretch: expanded;
  line-height: 1.02;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0;
}

a { color: var(--blue-deep); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

img { display: block; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: clamp(20px, 5vw, 48px);
}

.mono-dim {
  font-family: "IBM Plex Mono", monospace;
  color: var(--ghost);
}

.grad-text {
  background: var(--verified);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.eyebrow {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ghost);
  margin: 0 0 1.1rem;
}

:focus-visible {
  outline: 2px solid var(--blue-deep);
  outline-offset: 2px;
  border-radius: var(--radius);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: "Public Sans", sans-serif;
  font-weight: 600;
  font-size: 0.9375rem;
  line-height: 1;
  padding: 0.8rem 1.25rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s var(--ease), filter 0.2s var(--ease), background-position 0.4s var(--ease);
}
.btn:hover { text-decoration: none; }

.btn-verified {
  color: #fff;
  background: var(--verified);
  background-size: 140% 100%;
  background-position: 0% 0;
}
.btn-verified:hover { background-position: 40% 0; }

.btn-swap {
  display: inline-grid;
  place-items: center;
}
.btn-swap > span {
  grid-area: 1 / 1;
  transition: opacity 0.2s var(--ease);
}
.btn-swap .swap-hover { opacity: 0; }
.btn-swap:hover .swap-default,
.btn-swap:focus-visible .swap-default { opacity: 0; }
.btn-swap:hover .swap-hover,
.btn-swap:focus-visible .swap-hover { opacity: 1; }

.btn-outline {
  color: var(--ink);
  border-color: var(--ink);
  background: transparent;
}
.btn-outline:hover { background: rgba(16,24,40,0.04); }

.announce {
  background: var(--verified);
  color: #fff;
  text-align: center;
}
.announce-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding-block: 0.55rem;
  flex-wrap: wrap;
}
.announce-dot {
  width: 7px; height: 7px;
  flex: none;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 0 0 rgba(255,255,255,0.6);
  animation: announce-pulse 2.4s var(--ease) infinite;
}
@keyframes announce-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(255,255,255,0.55); }
  70%  { box-shadow: 0 0 0 7px rgba(255,255,255,0); }
  100% { box-shadow: 0 0 0 0 rgba(255,255,255,0); }
}
.announce-text {
  font-family: "IBM Plex Mono", monospace;
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}
.announce-sub {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  color: rgba(255,255,255,0.82);
}
@media (max-width: 560px) {
  .announce-sub { display: none; }
}

.nav-wrap {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247,249,251,0.82);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 14px;
  gap: 1.5rem;
}
.brand img { height: 44px; width: auto; }

.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
  padding-block: clamp(56px, 9vw, 120px);
}
.hero-copy h1 {
  font-size: clamp(2.6rem, 6vw, 4.5rem);
  margin: 0 0 1.5rem;
}
.hero-sub {
  max-width: 46ch;
  font-size: 1.125rem;
  color: #2A3746;
  margin: 0 0 2.2rem;
}
.hero-cta { display: flex; gap: 0.9rem; flex-wrap: wrap; }

.hero-panel {
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.phone { width: clamp(258px, 30vw, 300px); }

.phone-frame {
  position: relative;
  border-radius: 46px;
  padding: 11px;
  background: linear-gradient(155deg, #EEF2F6 0%, #CED7E1 55%, #B9C4D1 100%);
  box-shadow:
    inset 0 0 0 1px rgba(255,255,255,0.7),
    0 2px 6px rgba(16,24,40,0.10),
    0 44px 80px -34px rgba(16,24,40,0.45);
}
.phone-island {
  position: absolute;
  top: 20px; left: 50%; transform: translateX(-50%);
  width: 72px; height: 22px; border-radius: 12px;
  background: #0B1220;
  z-index: 4;
}
.phone-screen {
  position: relative;
  background: var(--paper);
  border-radius: 36px;
  aspect-ratio: 9 / 18.5;
  overflow: hidden;
  padding: 3.9rem 1.4rem 1.7rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: background 0.6s var(--ease);
}
.phone[data-state="verified"] .phone-screen {
  background:
    radial-gradient(120% 70% at 50% 0%, rgba(20,184,166,0.09), transparent 62%),
    var(--paper);
}

.status-bar {
  position: absolute;
  top: 20px; left: 0; right: 0;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  color: var(--ink);
}
.sb-time {
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.01em;
  font-variant-numeric: tabular-nums;
}
.sb-icons { display: inline-flex; align-items: center; gap: 4px; color: var(--ink); }
.sb-ic { display: block; }

.call-main {
  position: relative;
  display: grid;
  margin-top: 1.6rem;
}
.call-layer {
  grid-area: 1 / 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.layer-spoofed  { clip-path: inset(0 0 0 0); }
.layer-verified { clip-path: inset(0 100% 0 0); }
.phone[data-state="verified"] .layer-spoofed {
  clip-path: inset(0 0 0 100%);
  transition: clip-path 0.625s linear;
}
.phone[data-state="verified"] .layer-verified {
  clip-path: inset(0 0 0 0);
  transition: clip-path 0.625s linear;
}

.wipe-beam {
  position: absolute;
  top: -600px; bottom: -600px;
  left: 0; width: 46%;
  z-index: 3;
  pointer-events: none;
  opacity: 0;
  transform: translateX(-125%);
  background: linear-gradient(90deg,
    rgba(29,78,216,0) 0%,
    rgba(59,130,246,0.30) 55%,
    rgba(13,148,136,0.55) 100%);
  filter: blur(3px);
}
.wipe-beam::after {
  content: "";
  position: absolute;
  top: 0; bottom: 0; right: 0;
  width: 2px;
  background: var(--teal);
  box-shadow: 0 0 10px 1px rgba(20,184,166,0.9);
}
.phone[data-state="verified"] .wipe-beam { animation: wipe 1s linear forwards; }
@keyframes wipe {
  0%   { transform: translateX(-100%); opacity: 0; }
  8%   { opacity: 1; }
  88%  { opacity: 1; }
  100% { transform: translateX(250%); opacity: 0; }
}

.avatar {
  position: relative;
  width: 86px; height: 86px;
  flex: none;
  border-radius: 50%;
  background: #E6E9EF;
  display: grid;
  place-items: center;
  margin-bottom: 1.1rem;
}
.avatar-silhouette { width: 50px; height: 50px; color: #AAB2BF; }

.verify-badge {
  position: absolute;
  right: -3px; bottom: -3px;
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--verified);
  color: #fff;
  display: grid;
  place-items: center;
  border: 3px solid var(--paper);
  box-shadow: 0 4px 10px -2px rgba(13,148,136,0.5);
  transform: scale(0);
}
.verify-badge img { width: 16px; height: 16px; }
.phone[data-state="verified"] .verify-badge {
  transform: scale(1);
  transition: transform 0.35s var(--ease) 0.5s;
}

.caller-name {
  font-family: "Public Sans", sans-serif;
  font-weight: 600;
  font-size: 1.75rem;
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 0 0 0.3rem;
  color: var(--ink);
}
.caller-num {
  font-family: "Public Sans", sans-serif;
  font-size: 1rem;
  color: var(--ghost);
  margin: 0;
}

.call-actions {
  margin-top: auto;
  display: flex;
  gap: 3.2rem;
}
.call-action {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}
.call-action .lbl {
  font-family: "Public Sans", sans-serif;
  font-size: 0.74rem;
  color: var(--ghost);
}
.call-btn {
  width: 56px; height: 56px;
  flex: none;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
}
.call-btn.decline { background: #E5484D; transform: rotate(135deg); }
.call-btn.accept  { background: #30A46C; }

.panel-caption { margin: 1.1rem 0 0; font-size: 0.75rem; max-width: 32ch; text-align: center; }

.footer {
  background: var(--paper);
  padding-block: 3.5rem 3rem;
  font-family: "IBM Plex Mono", monospace;
}
.footer-inner { display: flex; flex-direction: column; gap: 2.5rem; }
.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2rem;
}
.footer-h {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ghost);
  margin: 0 0 0.8rem;
}
.footer-cols address {
  font-style: normal;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--ink);
}
.footer-cols address a { margin-top: 0.6rem; }
.footer-cols a {
  display: block;
  color: var(--ink);
  font-size: 0.82rem;
  padding: 0.2rem 0;
}
.footer-mark {
  font-family: "Archivo", sans-serif;
  font-weight: 800;
  font-stretch: expanded;
  letter-spacing: 0.02em;
  font-size: 1.1rem;
  margin: 0;
  padding-top: 1.6rem;
  border-top: 1px solid var(--line);
  color: var(--ink);
}
.footer-llc {
  font-family: "IBM Plex Mono", monospace;
  font-weight: 400;
  font-size: 0.72rem;
  letter-spacing: 0.34em;
  color: #52514E;
  margin-left: 0.5rem;
}

.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease);
}
.reveal.in { opacity: 1; transform: none; }

@media (max-width: 880px) {
  .hero { grid-template-columns: 1fr; }
  .hero-panel { order: 2; }
}
@media (max-width: 680px) {
  .footer-cols { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 400px) {
  .footer-cols { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}