:root {
  --bone: #e6e9ef;
  --bone-deep: #cfd5df;
  --paper: #f2f4f7;
  --ink: #12171f;
  --ink-soft: #3a4454;
  --navy: #15233a;
  --navy-deep: #0c1524;
  --suit: #1c2d4a;
  --serum: #4ec6e8;
  --serum-bright: #7ad8f0;
  --serum-deep: #1a8fb0;
  --glass: rgba(255, 255, 255, 0.55);
  --stroke: rgba(21, 35, 58, 0.14);
  --shadow: 0 22px 50px rgba(12, 21, 36, 0.18);
  --font-display: "Anton", sans-serif;
  --font-sans: "Space Grotesk", sans-serif;
  --font-mono: "JetBrains Mono", monospace;
  --header-h: 76px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --radius: 4px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--bone);
  overflow-x: hidden;
  line-height: 1.55;
}

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

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

button {
  font: inherit;
  border: 0;
  background: none;
  cursor: pointer;
  color: inherit;
}

ul,
ol {
  list-style: none;
}

/* ---------- Atmosphere ---------- */
.lab-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  overflow: hidden;
  background:
    radial-gradient(ellipse 70% 45% at 15% 10%, rgba(78, 198, 232, 0.18), transparent 55%),
    radial-gradient(ellipse 55% 40% at 90% 20%, rgba(21, 35, 58, 0.1), transparent 50%),
    radial-gradient(ellipse 50% 45% at 50% 100%, rgba(78, 198, 232, 0.12), transparent 55%),
    linear-gradient(180deg, #eef1f5 0%, #e2e7ee 45%, #d8dee8 100%);
}

.lab-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(21, 35, 58, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(21, 35, 58, 0.045) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 30%, transparent 85%);
  animation: grid-drift 40s linear infinite;
}

.lab-wash {
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 3px,
      rgba(255, 255, 255, 0.03) 3px,
      rgba(255, 255, 255, 0.03) 4px
    );
  opacity: 0.7;
}

.serum-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(48px);
  opacity: 0.55;
  animation: orb-float 14s ease-in-out infinite;
}

.orb-a {
  width: 340px;
  height: 340px;
  top: 12%;
  right: 8%;
  background: rgba(78, 198, 232, 0.45);
}

.orb-b {
  width: 280px;
  height: 280px;
  bottom: 18%;
  left: 6%;
  background: rgba(28, 45, 74, 0.22);
  animation-delay: -6s;
}

.scan-sweep {
  position: absolute;
  top: -20%;
  left: 0;
  width: 100%;
  height: 18%;
  background: linear-gradient(
    180deg,
    transparent,
    rgba(78, 198, 232, 0.08),
    transparent
  );
  animation: scan-down 9s ease-in-out infinite;
}

#bubbles {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.55;
}

.ecg-line {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 12%;
  width: 100%;
  height: 80px;
  opacity: 0.22;
}

.ecg-path {
  fill: none;
  stroke: var(--serum-deep);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 1400;
  stroke-dashoffset: 1400;
  animation: ecg-draw 4.5s linear infinite;
}

@keyframes grid-drift {
  from {
    transform: translateY(0);
  }
  to {
    transform: translateY(48px);
  }
}

@keyframes orb-float {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(-30px, 24px) scale(1.08);
  }
}

@keyframes scan-down {
  0% {
    transform: translateY(0);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translateY(620%);
    opacity: 0;
  }
}

@keyframes ecg-draw {
  0% {
    stroke-dashoffset: 1400;
  }
  45% {
    stroke-dashoffset: 0;
  }
  100% {
    stroke-dashoffset: -1400;
  }
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  transition: background 0.35s var(--ease), box-shadow 0.35s var(--ease),
    backdrop-filter 0.35s var(--ease);
}

.site-header.scrolled {
  background: rgba(242, 244, 247, 0.82);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--stroke), 0 10px 30px rgba(12, 21, 36, 0.06);
}

.header-inner {
  max-width: 1180px;
  margin: 0 auto;
  height: 100%;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(78, 198, 232, 0.55);
  box-shadow: 0 0 0 3px rgba(78, 198, 232, 0.12);
  animation: brand-pulse 3.2s ease-in-out infinite;
}

@keyframes brand-pulse {
  0%,
  100% {
    box-shadow: 0 0 0 3px rgba(78, 198, 232, 0.12);
  }
  50% {
    box-shadow: 0 0 0 6px rgba(78, 198, 232, 0.22), 0 0 20px rgba(78, 198, 232, 0.35);
  }
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--navy);
}

.brand-ticker {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--serum-deep);
  letter-spacing: 0.08em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-soft);
  position: relative;
  transition: color 0.25s var(--ease);
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 2px;
  background: var(--serum);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}

.nav a:hover {
  color: var(--navy);
}

.nav a:hover::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.icon-btn {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid var(--stroke);
  background: rgba(255, 255, 255, 0.45);
  border-radius: var(--radius);
  transition: transform 0.25s var(--ease), border-color 0.25s, background 0.25s,
    box-shadow 0.25s;
  color: var(--navy);
}

.icon-btn img {
  width: 18px;
  height: 18px;
  object-fit: contain;
}

.icon-btn:hover {
  transform: translateY(-2px);
  border-color: rgba(78, 198, 232, 0.55);
  background: rgba(78, 198, 232, 0.12);
  box-shadow: 0 8px 20px rgba(78, 198, 232, 0.2);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  border: 1px solid var(--stroke);
  background: rgba(255, 255, 255, 0.5);
  border-radius: var(--radius);
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--navy);
  transition: transform 0.3s var(--ease), opacity 0.3s;
}

.menu-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.open span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  padding: calc(var(--header-h) + 36px) 24px 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
}

.hero-serum {
  position: absolute;
  width: 520px;
  height: 520px;
  top: 18%;
  right: 4%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(78, 198, 232, 0.28), transparent 68%);
  filter: blur(10px);
  animation: serum-breathe 5.5s ease-in-out infinite;
  pointer-events: none;
}

@keyframes serum-breathe {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.7;
  }
  50% {
    transform: scale(1.12);
    opacity: 1;
  }
}

.hero-inner {
  max-width: 1180px;
  width: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
  flex: 1;
  padding-bottom: 48px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--serum-deep);
  margin-bottom: 18px;
}

.pulse-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--serum);
  box-shadow: 0 0 0 0 rgba(78, 198, 232, 0.55);
  animation: pulse-ring 1.8s ease-out infinite;
}

@keyframes pulse-ring {
  0% {
    box-shadow: 0 0 0 0 rgba(78, 198, 232, 0.55);
  }
  70% {
    box-shadow: 0 0 0 12px rgba(78, 198, 232, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(78, 198, 232, 0);
  }
}

.hero-title {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 20px;
}

.title-brand {
  font-family: var(--font-display);
  font-size: clamp(3.4rem, 8vw, 6.2rem);
  line-height: 0.92;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--navy);
  text-shadow: 0 2px 0 rgba(255, 255, 255, 0.6);
}

.title-ticker {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  letter-spacing: 0.06em;
  color: var(--serum-deep);
  position: relative;
  width: fit-content;
}

.title-ticker.glitching::before,
.title-ticker.glitching::after {
  content: attr(data-glitch);
  position: absolute;
  left: 0;
  top: 0;
  opacity: 0.75;
}

.title-ticker.glitching::before {
  color: #ff4d6d;
  transform: translate(2px, -1px);
  clip-path: inset(0 0 55% 0);
}

.title-ticker.glitching::after {
  color: var(--serum);
  transform: translate(-2px, 1px);
  clip-path: inset(45% 0 0 0);
}

.hero-lead {
  max-width: 34rem;
  font-size: clamp(1.02rem, 2vw, 1.18rem);
  color: var(--ink-soft);
  margin-bottom: 28px;
  font-weight: 400;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 22px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 50px;
  padding: 0 22px;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: transform 0.25s var(--ease), box-shadow 0.25s, background 0.25s,
    border-color 0.25s;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-icon {
  width: 18px;
  height: 18px;
}

.btn-serum {
  background: linear-gradient(135deg, var(--serum) 0%, var(--serum-deep) 100%);
  color: var(--navy-deep);
  box-shadow: 0 12px 28px rgba(78, 198, 232, 0.35);
}

.btn-serum:hover {
  box-shadow: 0 16px 36px rgba(78, 198, 232, 0.5);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.5);
  border-color: rgba(21, 35, 58, 0.18);
  color: var(--navy);
}

.btn-outline:hover {
  border-color: rgba(78, 198, 232, 0.6);
  background: rgba(78, 198, 232, 0.12);
}

.btn.small {
  min-height: 42px;
  padding: 0 16px;
  font-size: 0.88rem;
}

.ca-box {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  max-width: 100%;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
}

.ca-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.ca-value {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--navy);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: min(280px, 52vw);
}

.ca-copy {
  padding: 6px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: var(--navy);
  color: var(--bone);
  border-radius: 2px;
  transition: background 0.25s;
}

.ca-copy:hover,
.ca-copy.copied {
  background: var(--serum-deep);
}

.hero-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 420px;
}

.logo-orbit {
  position: absolute;
  width: min(420px, 90%);
  aspect-ratio: 1;
  border-radius: 50%;
  pointer-events: none;
}

.logo-orbit span {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px dashed rgba(78, 198, 232, 0.35);
  animation: orbit-spin 18s linear infinite;
}

.logo-orbit span:nth-child(2) {
  inset: 18px;
  border-style: solid;
  border-color: rgba(21, 35, 58, 0.1);
  animation-duration: 26s;
  animation-direction: reverse;
}

.logo-orbit span:nth-child(3) {
  inset: 36px;
  border-color: rgba(78, 198, 232, 0.2);
  animation-duration: 12s;
}

@keyframes orbit-spin {
  to {
    transform: rotate(360deg);
  }
}

.logo-stage {
  position: relative;
  width: min(340px, 78vw);
  z-index: 1;
}

.hero-logo {
  width: 100%;
  border-radius: 50%;
  background: linear-gradient(160deg, #f7f8fa, #dce2ea);
  border: 3px solid rgba(255, 255, 255, 0.85);
  box-shadow: var(--shadow), 0 0 0 10px rgba(78, 198, 232, 0.08);
  animation: logo-float 5s ease-in-out infinite;
  position: relative;
  z-index: 2;
}

.logo-glow {
  position: absolute;
  inset: 8% 8% 0;
  background: radial-gradient(circle, rgba(78, 198, 232, 0.45), transparent 70%);
  filter: blur(28px);
  z-index: 1;
  animation: serum-breathe 4s ease-in-out infinite;
}

@keyframes logo-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-14px);
  }
}

.hero-marquee {
  border-top: 1px solid var(--stroke);
  border-bottom: 1px solid var(--stroke);
  background: rgba(21, 35, 58, 0.94);
  color: var(--bone);
  overflow: hidden;
  margin: 0 -24px;
}

.marquee-track {
  display: flex;
  gap: 48px;
  width: max-content;
  padding: 14px 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  animation: marquee 28s linear infinite;
}

.marquee-track span {
  white-space: nowrap;
  opacity: 0.85;
}

.marquee-track span:nth-child(even) {
  color: var(--serum);
}

@keyframes marquee {
  to {
    transform: translateX(-50%);
  }
}

/* ---------- Sections ---------- */
.section {
  padding: 110px 24px;
  position: relative;
}

.section-inner {
  max-width: 1180px;
  margin: 0 auto;
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}

.section-kicker {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--serum-deep);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--navy);
  line-height: 1;
  margin-bottom: 16px;
}

.section-text {
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.section-text.center {
  text-align: center;
}

.section-text strong {
  color: var(--navy);
  font-weight: 600;
}

/* About */
.about {
  background: linear-gradient(
    180deg,
    transparent,
    rgba(255, 255, 255, 0.35) 20%,
    rgba(255, 255, 255, 0.35) 80%,
    transparent
  );
}

.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: center;
}

.portrait-frame {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  border: 1px solid var(--stroke);
  background: linear-gradient(160deg, #f8f9fb, #d9e0ea);
  box-shadow: var(--shadow);
}

.portrait-frame img {
  width: 100%;
  mix-blend-mode: multiply;
  transition: transform 0.7s var(--ease);
}

.portrait-frame:hover img {
  transform: scale(1.04);
}

.xray-scan {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    transparent 35%,
    rgba(78, 198, 232, 0.22) 48%,
    transparent 62%
  );
  transform: translateX(-120%);
  animation: xray 5.5s ease-in-out infinite;
  pointer-events: none;
}

@keyframes xray {
  0%,
  30% {
    transform: translateX(-120%);
  }
  55%,
  100% {
    transform: translateX(120%);
  }
}

.portrait-caption {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  text-align: center;
}

.trait-list {
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.trait-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--stroke);
  border-left: 3px solid var(--serum);
  border-radius: var(--radius);
  color: var(--ink-soft);
  transition: transform 0.25s var(--ease), border-color 0.25s, box-shadow 0.25s;
}

.trait-list li:hover {
  transform: translateX(6px);
  border-color: rgba(78, 198, 232, 0.45);
  box-shadow: 0 10px 24px rgba(78, 198, 232, 0.12);
}

.trait-mark {
  flex-shrink: 0;
  width: 10px;
  height: 10px;
  margin-top: 6px;
  border-radius: 50%;
  background: var(--serum);
  box-shadow: 0 0 12px rgba(78, 198, 232, 0.6);
}

/* How to buy */
.steps {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  padding: 26px 24px;
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid var(--stroke);
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(12, 21, 36, 0.05);
  transition: transform 0.3s var(--ease), border-color 0.3s, box-shadow 0.3s;
  position: relative;
  overflow: hidden;
}

.step::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(78, 198, 232, 0.12), transparent 50%);
  opacity: 0;
  transition: opacity 0.3s;
}

.step:hover {
  transform: translateY(-4px);
  border-color: rgba(78, 198, 232, 0.45);
  box-shadow: 0 18px 40px rgba(78, 198, 232, 0.15);
}

.step:hover::before {
  opacity: 1;
}

.step-num {
  position: relative;
  font-family: var(--font-display);
  font-size: 2rem;
  letter-spacing: 0.04em;
  color: var(--serum-deep);
  line-height: 1;
}

.step-body {
  position: relative;
}

.step-body h3 {
  font-size: 1.2rem;
  color: var(--navy);
  margin-bottom: 8px;
}

.step-body p {
  color: var(--ink-soft);
  font-size: 0.96rem;
}

.step-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  padding: 8px 12px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--navy);
  background: rgba(78, 198, 232, 0.12);
  border: 1px solid rgba(78, 198, 232, 0.35);
  border-radius: var(--radius);
  transition: background 0.25s, transform 0.25s;
}

.step-link img {
  width: 16px;
  height: 16px;
}

.step-link:hover {
  background: rgba(78, 198, 232, 0.22);
  transform: translateX(3px);
}

/* Chart */
.chart-actions {
  display: flex;
  justify-content: center;
  margin-top: 18px;
}

.chart-frame {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid rgba(21, 35, 58, 0.2);
  background: var(--navy-deep);
  box-shadow: var(--shadow), 0 0 0 1px rgba(78, 198, 232, 0.15);
  min-height: 560px;
}

.chart-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border: 1px solid rgba(78, 198, 232, 0.15);
  border-radius: inherit;
  box-shadow: inset 0 0 40px rgba(78, 198, 232, 0.08);
}

.chart-frame iframe {
  width: 100%;
  height: 620px;
  border: 0;
  display: block;
}

/* Join Us */
.joinus {
  padding-bottom: 90px;
}

.banner-wrap {
  position: relative;
  margin-bottom: 32px;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--stroke);
  box-shadow: var(--shadow);
  background: #d8dde5;
}

.join-banner {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  object-position: center;
  transform: scale(1.01);
  transition: transform 1.2s var(--ease);
}

.banner-wrap:hover .join-banner {
  transform: scale(1.04);
}

.banner-veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(21, 35, 58, 0.08),
    transparent 30%,
    transparent 70%,
    rgba(78, 198, 232, 0.12)
  );
  pointer-events: none;
}

.social-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.social-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  padding: 24px 22px;
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid var(--stroke);
  border-radius: 8px;
  transition: transform 0.3s var(--ease), border-color 0.3s, box-shadow 0.3s,
    background 0.3s;
  color: var(--navy);
}

.social-card img {
  width: 28px;
  height: 28px;
  margin-bottom: 6px;
}

.social-card span {
  font-weight: 700;
  font-size: 1.05rem;
}

.social-card small {
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
}

.social-card:hover {
  transform: translateY(-5px);
  border-color: rgba(78, 198, 232, 0.5);
  background: rgba(78, 198, 232, 0.1);
  box-shadow: 0 16px 36px rgba(78, 198, 232, 0.18);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--stroke);
  background: rgba(21, 35, 58, 0.96);
  color: rgba(230, 233, 239, 0.78);
  padding: 40px 24px 32px;
}

.footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  gap: 18px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-brand img {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 2px solid rgba(78, 198, 232, 0.4);
}

.footer-brand strong {
  display: block;
  color: #fff;
  font-family: var(--font-display);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.footer-brand span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--serum);
  letter-spacing: 0.06em;
}

.footer-note {
  max-width: 720px;
  font-size: 0.85rem;
  line-height: 1.6;
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.65;
}

/* ---------- Reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 28px;
  }

  .hero-lead,
  .cta-row,
  .ca-box {
    margin-left: auto;
    margin-right: auto;
  }

  .cta-row {
    justify-content: center;
  }

  .hero-title {
    align-items: center;
  }

  .eyebrow {
    justify-content: center;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .about-portrait {
    max-width: 360px;
    margin: 0 auto;
  }

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

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

@media (max-width: 780px) {
  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(242, 244, 247, 0.96);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--stroke);
    padding: 8px 0;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.35s var(--ease), opacity 0.35s;
  }

  .nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav a {
    width: 100%;
    padding: 14px 24px;
  }

  .nav a::after {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .header-actions .icon-btn {
    display: none;
  }

  .section {
    padding: 80px 20px;
  }

  .chart-frame,
  .chart-frame iframe {
    min-height: 420px;
    height: 460px;
  }

  .hero-visual {
    min-height: 300px;
  }

  .logo-stage {
    width: min(260px, 70vw);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}