/* =========================================================
   Home page
   ========================================================= */

/* -----------------------------------------------------------
   HERO
----------------------------------------------------------- */
.hero {
  position: relative;
  padding-block: clamp(3rem, 2rem + 4vw, 7rem) clamp(4rem, 3rem + 4vw, 7rem);
  overflow: hidden;
}
.hero::before {
  /* Soft vignette glow behind the orbital diagram */
  content: "";
  position: absolute;
  right: -10%;
  top: 10%;
  width: 60vw;
  height: 60vw;
  max-width: 700px;
  max-height: 700px;
  background: radial-gradient(closest-side, var(--copper-glow), transparent 70%);
  filter: blur(40px);
  pointer-events: none;
  z-index: 0;
}

.hero__grid {
  display: grid;
  gap: 3rem;
  align-items: center;
  grid-template-columns: 1fr;
  position: relative;
  z-index: 1;
}
@media (min-width: 920px) {
  .hero__grid { grid-template-columns: 1.05fr 1fr; gap: clamp(2rem, 1rem + 3vw, 5rem); }
}

.hero__copy .eyebrow { margin-bottom: 1.6rem; }
.hero__title {
  font-size: var(--step-6);
  line-height: 0.98;
  letter-spacing: -0.025em;
  margin-bottom: 1.5rem;
  font-variation-settings: "opsz" 144, "SOFT" 30, "wght" 360;
}
.hero__title em {
  font-style: italic;
  font-variation-settings: "opsz" 144, "SOFT" 100, "wght" 300;
  color: var(--copper);
}
.hero__lede {
  font-family: var(--font-body);
  font-size: var(--step-1);
  color: var(--ink-soft);
  max-width: 40ch;
  line-height: 1.55;
  margin-bottom: 2.2rem;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 2.5rem;
}

.hero__specs {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 2.2rem;
  border-top: 1px solid var(--rule-soft);
  padding-top: 1.6rem;
}
.spec { display: grid; gap: 0.2rem; }
.spec dt {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.spec dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  color: var(--ink);
}

/* -----------------------------------------------------------
   ORBITAL DIAGRAM
   Pure CSS, three concentric orbits with satellites.
----------------------------------------------------------- */
.orbital {
  position: relative;
  aspect-ratio: 1 / 1;
  width: min(560px, 92vw);
  margin-inline: auto;
}
.orbital__rings { position: absolute; inset: 0; }
.orbital__ring {
  position: absolute;
  border: 1px solid var(--rule);
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.orbital__ring--3 { width: 100%; height: 100%; opacity: 0.55; }
.orbital__ring--2 { width: 68%;  height: 68%;  opacity: 0.75; }
.orbital__ring--1 { width: 36%;  height: 36%;  opacity: 0.9;  }

/* Inner orbital — also rotates, with a satellite at the edge */
.orb {
  position: absolute;
  top: 50%;
  left: 50%;
  transform-origin: 0 0;
  border-radius: 50%;
}
.orb--1 {
  width: 36%; height: 36%;
  margin-top: -18%;
  margin-left: -18%;
  animation: spin 22s linear infinite;
}
.orb--2 {
  width: 68%; height: 68%;
  margin-top: -34%;
  margin-left: -34%;
  animation: spin 38s linear infinite reverse;
}
.orb--3 {
  width: 100%; height: 100%;
  margin-top: -50%;
  margin-left: -50%;
  animation: spin 56s linear infinite;
}

.sat {
  position: absolute;
  top: 50%;
  right: -1px;
  transform: translate(50%, -50%);
}
.sat__dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--copper);
  box-shadow: 0 0 16px 4px var(--copper-glow);
  position: relative;
}
.sat__dot::after {
  content: "";
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 1px solid var(--copper);
  opacity: 0.3;
}
.sat__label {
  position: absolute;
  left: 22px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--ink);
  padding: 4px 10px;
  background: color-mix(in oklab, var(--bg-deep) 75%, transparent);
  border: 1px solid var(--rule);
  border-radius: 999px;
  backdrop-filter: blur(6px);
}

/* Each orbit's satellite-label counter-rotates so it reads upright */
.orb--1 .sat__label { animation: spin 22s linear infinite reverse; transform-origin: -22px 0; }
.orb--2 .sat__label { animation: spin 38s linear infinite; transform-origin: -22px 0; }
.orb--3 .sat__label { animation: spin 56s linear infinite reverse; transform-origin: -22px 0; }

@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* Center — the "you" node */
.orbital__center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #2A3160, var(--bg-elev) 70%);
  border: 1px solid var(--copper);
  display: grid;
  place-items: center;
  box-shadow:
    0 0 0 6px var(--bg-base),
    0 0 48px -4px var(--copper-glow);
  z-index: 2;
}
.orbital__center::after {
  content: "";
  position: absolute;
  inset: -16px;
  border-radius: 50%;
  border: 1px solid var(--copper);
  opacity: 0.18;
}
.orbital__center svg { width: 38px; height: 38px; color: var(--copper); }

/* Crosshair measurement marks */
.orbital__crosshair {
  position: absolute;
  inset: 0;
  pointer-events: none;
  color: var(--ink-faint);
}
.orbital__tick {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  color: var(--ink-faint);
}
.orbital__tick--n { top: -1.4rem; left: 50%; transform: translateX(-50%); }
.orbital__tick--s { bottom: -1.4rem; left: 50%; transform: translateX(-50%); }
.orbital__tick--e { right: -2.2rem; top: 50%; transform: translateY(-50%); }
.orbital__tick--w { left: -2.2rem; top: 50%; transform: translateY(-50%); }

/* -----------------------------------------------------------
   FEATURE TRIPTYCH
----------------------------------------------------------- */
.triptych { display: grid; gap: 1.25rem; grid-template-columns: 1fr; }
@media (min-width: 820px) {
  .triptych { grid-template-columns: repeat(3, 1fr); }
}
.tri {
  border: 1px solid var(--rule);
  background: linear-gradient(180deg, var(--bg-elev), var(--bg-base) 95%);
  border-radius: 14px;
  padding: 2rem;
  position: relative;
  overflow: hidden;
}
.tri__num {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--copper);
  letter-spacing: 0.24em;
  margin-bottom: 2rem;
}
.tri__icon {
  width: 56px;
  height: 56px;
  color: var(--copper);
  margin-bottom: 1.4rem;
}
.tri h3 {
  font-size: var(--step-2);
  margin-bottom: 0.5rem;
}
.tri p {
  color: var(--ink-soft);
  margin-bottom: 0;
}
.tri__corner {
  position: absolute;
  top: 1.4rem; right: 1.4rem;
  width: 0.7rem; height: 0.7rem;
  border-top: 1px solid var(--rule);
  border-right: 1px solid var(--rule);
}

/* -----------------------------------------------------------
   ENCRYPTION SHOWCASE
----------------------------------------------------------- */
.encryption {
  display: grid;
  gap: 3rem;
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 880px) {
  .encryption { grid-template-columns: 1fr 1fr; gap: 4rem; }
}
.encryption__diagram {
  position: relative;
  border: 1px solid var(--rule);
  border-radius: 14px;
  padding: 2.5rem;
  background:
    repeating-linear-gradient(0deg, transparent, transparent 18px, color-mix(in oklab, var(--rule-soft) 60%, transparent) 18px, color-mix(in oklab, var(--rule-soft) 60%, transparent) 19px),
    var(--bg-elev);
}
.enc-row {
  display: grid;
  grid-template-columns: 2rem 1fr;
  align-items: center;
  gap: 1rem;
  padding-block: 0.6rem;
  border-bottom: 1px dashed var(--rule-soft);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}
.enc-row:last-child { border-bottom: 0; }
.enc-row__no { color: var(--copper); }
.enc-row__txt { color: var(--ink); }
.enc-row__txt .k { color: var(--ink-mute); }
.enc-row__txt .v { color: var(--copper); }

.enc-formula {
  margin-top: 2rem;
  padding: 1.4rem 1.6rem;
  border: 1px solid var(--rule);
  border-radius: 10px;
  background: var(--bg-deep);
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--ink);
  line-height: 1.6;
  position: relative;
}
.enc-formula::before {
  content: "§ FORMULA";
  position: absolute;
  top: -0.7rem;
  left: 1rem;
  background: var(--bg-base);
  padding-inline: 0.6rem;
  font-size: 0.62rem;
  letter-spacing: 0.24em;
  color: var(--ink-mute);
}

/* -----------------------------------------------------------
   DEVICES section (Mac + iPhone)
----------------------------------------------------------- */
.devices {
  display: grid;
  gap: 3rem;
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 880px) {
  .devices { grid-template-columns: 0.9fr 1.1fr; gap: 4rem; }
}
.device-stack {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 24rem;
}
.device-stack svg {
  filter: drop-shadow(0 18px 60px rgba(0,0,0,0.55));
}
.device-stack__mac {
  width: min(440px, 95%);
  color: var(--ink);
}
.device-stack__phone {
  position: absolute;
  bottom: -1rem;
  right: 6%;
  width: min(120px, 28%);
  color: var(--ink);
}

/* -----------------------------------------------------------
   FINAL CTA
----------------------------------------------------------- */
.cta {
  text-align: center;
  border: 1px solid var(--rule);
  border-radius: 18px;
  padding: clamp(3rem, 2rem + 4vw, 5rem) clamp(1rem, 1rem + 2vw, 3rem);
  background:
    radial-gradient(ellipse at top, var(--copper-glow), transparent 60%),
    linear-gradient(180deg, var(--bg-elev), var(--bg-base) 80%);
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(1px 1px at 12% 28%, rgba(237, 229, 211, 0.45), transparent 50%),
    radial-gradient(1px 1px at 78% 80%, rgba(237, 229, 211, 0.5), transparent 50%),
    radial-gradient(1px 1px at 55% 12%, rgba(216, 158, 96, 0.4), transparent 50%);
  pointer-events: none;
  opacity: 0.7;
}
.cta__inner { position: relative; z-index: 1; }
.cta h2 {
  font-size: var(--step-5);
  margin-bottom: 1rem;
}
.cta p {
  color: var(--ink-soft);
  margin-inline: auto;
  margin-bottom: 2rem;
  max-width: 44ch;
}
.cta__ctas {
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.8rem;
}