/* Strivespence landing — Auros abyssal terminal adapted to brand teal */

:root {
  /* Brand-derived liquid stack (from user-app #0F766E / #14B8A6, admin #155E75) */
  --color-liquid-abyss: #041f1d;
  --color-liquid-deep: #031614;
  --color-liquid-kelp: #0a3d39;
  --color-brand-teal: #0f766e;
  --color-brand-teal-light: #14b8a6;
  --color-brand-teal-dark: #155e75;

  --color-liquid-mist: #edfffe;
  --color-platinum: #ffffff;
  --color-silver-mist: #bbc7c6;
  --color-ash: #f2f2f2;
  --color-slate-deep: #707777;
  --color-lavender-phosphor: #fde9ff;
  --color-cta-ink: #222222;

  --gradient-bioluminescent: linear-gradient(
    90deg,
    rgb(15, 118, 110) 0%,
    rgb(20, 184, 166) 45%,
    rgb(203, 255, 252) 100%
  );
  --gradient-aurora: linear-gradient(
    90deg,
    rgb(20, 184, 166) 0%,
    rgb(203, 255, 252) 28%,
    rgb(255, 253, 250) 52%,
    rgb(250, 209, 255) 100%
  );

  --font-matter: "DM Sans", ui-sans-serif, system-ui, sans-serif;
  --font-arial: Arial, ui-sans-serif, system-ui, sans-serif;

  --text-caption: 10px;
  --text-body: 16px;
  --text-subheading: 24px;
  --text-heading: 36px;
  --text-heading-lg: 61px;
  --text-display: 96px;

  --spacing-16: 16px;
  --spacing-20: 20px;
  --spacing-24: 24px;
  --spacing-32: 32px;
  --spacing-36: 36px;
  --spacing-48: 48px;
  --spacing-64: 64px;
  --spacing-80: 80px;
  --spacing-120: 120px;

  --page-max-width: 1440px;
  --section-gap: 68px;
  --radius-cards: 16px;
  --radius-buttons: 6px;
  --radius-small: 6px;

  --nav-h: 80px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-matter);
  font-weight: 400;
  font-size: var(--text-body);
  line-height: 1.4;
  color: var(--color-silver-mist);
  background: var(--color-liquid-abyss);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

.grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 50;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}

.shell {
  width: min(100% - 40px, var(--page-max-width));
  margin-inline: auto;
}

/* —— Typography —— */
.eyebrow {
  margin: 0 0 var(--spacing-20);
  font-family: var(--font-matter);
  font-weight: 500;
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-silver-mist);
}

.eyebrow--mist {
  color: var(--color-liquid-mist);
}

.heading {
  margin: 0 0 var(--spacing-24);
  font-weight: 500;
  font-size: clamp(2rem, 4vw, 2.25rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--color-platinum);
}

.heading--wide {
  max-width: 14ch;
}

.body {
  margin: 0;
  font-size: var(--text-body);
  line-height: 1.4;
  color: var(--color-silver-mist);
  max-width: 36rem;
}

/* —— Buttons —— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-arial);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.43;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--radius-buttons);
  border: none;
  cursor: pointer;
  transition: transform 0.25s ease, opacity 0.25s ease, filter 0.25s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn--gradient {
  padding: 14px 22px;
  background: var(--gradient-aurora);
  color: var(--color-cta-ink);
}

.btn--gradient:hover {
  filter: brightness(1.05);
}

.btn--ghost {
  padding: 14px 22px;
  background: transparent;
  color: var(--color-liquid-mist);
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.btn--ghost:hover {
  border-color: rgba(20, 184, 166, 0.45);
  color: var(--color-platinum);
}

.arrow-btn {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-small);
  background: rgba(15, 118, 110, 0.5);
  color: var(--color-platinum);
  font-size: 14px;
  line-height: 1;
  transition: background 0.2s ease, transform 0.2s ease;
}

.arrow-btn:hover {
  background: rgba(20, 184, 166, 0.55);
  transform: translate(2px, -2px);
}

/* —— Nav —— */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 40;
  height: var(--nav-h);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--spacing-16);
  padding: 0 clamp(20px, 4vw, 48px);
  background: transparent;
  transition: background 0.35s ease, backdrop-filter 0.35s ease;
}

.nav.is-scrolled {
  background: rgba(4, 31, 29, 0.82);
  backdrop-filter: blur(12px);
}

.nav__brand {
  justify-self: start;
}

.nav__logo {
  height: 36px;
  width: auto;
}

.nav__links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-24);
}

.nav__link {
  font-family: var(--font-matter);
  font-weight: 400;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-silver-mist);
  transition: color 0.2s ease;
}

.nav__link:hover,
.nav__link.is-active {
  color: var(--color-platinum);
}

.nav > .btn {
  justify-self: end;
}

.nav__menu {
  display: none;
  justify-self: end;
  width: 40px;
  height: 40px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
}

.nav__menu span {
  display: block;
  width: 18px;
  height: 1.5px;
  margin: 5px auto;
  background: var(--color-platinum);
}

.nav-drawer {
  position: fixed;
  top: var(--nav-h);
  left: 0;
  right: 0;
  z-index: 39;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-20);
  padding: var(--spacing-32) var(--spacing-24);
  background: var(--color-liquid-deep);
}

.nav-drawer a:not(.btn) {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-silver-mist);
}

.nav-drawer[hidden] {
  display: none;
}

/* —— Hero —— */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: calc(var(--nav-h) + 40px) 20px 80px;
  overflow: hidden;
}

.hero__orb {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
    opacity: 0.72;
}

.hero__glow {
  position: absolute;
  width: min(70vw, 560px);
  height: min(70vw, 560px);
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(20, 184, 166, 0.18) 0%,
    rgba(15, 118, 110, 0.08) 40%,
    transparent 70%
  );
  top: 50%;
  left: 50%;
  transform: translate(-50%, -42%);
  pointer-events: none;
  animation: pulse-glow 8s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%,
  100% {
    opacity: 0.7;
    transform: translate(-50%, -42%) scale(1);
  }
  50% {
    opacity: 1;
    transform: translate(-50%, -42%) scale(1.06);
  }
}

.hero__inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 720px;
  padding: var(--spacing-32) var(--spacing-20);
  border-radius: var(--radius-cards);
  background: radial-gradient(
    ellipse at center,
    rgba(4, 31, 29, 0.72) 0%,
    rgba(4, 31, 29, 0.35) 55%,
    transparent 75%
  );
}

.hero__mark {
  height: clamp(56px, 10vw, 88px);
  width: auto;
  margin: 0 auto var(--spacing-32);
  filter: drop-shadow(0 0 24px rgba(20, 184, 166, 0.25));
}

.hero__title {
  margin: 0 0 var(--spacing-24);
  font-weight: 500;
  font-size: clamp(2.1rem, 5.5vw, 3rem);
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--color-platinum);
  text-shadow: 0 2px 24px rgba(4, 31, 29, 0.85);
}

.hero__lede {
  margin: 0 auto var(--spacing-36);
  max-width: 34rem;
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-silver-mist);
  text-shadow: 0 1px 16px rgba(4, 31, 29, 0.9);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-16);
  justify-content: center;
}

.hero__scroll {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.hero__scroll span {
  display: block;
  width: 1px;
  height: 48px;
  background: linear-gradient(
    to bottom,
    transparent,
    var(--color-brand-teal-light),
    transparent
  );
  animation: scroll-line 2.4s ease-in-out infinite;
}

@keyframes scroll-line {
  0%,
  100% {
    opacity: 0.25;
    transform: scaleY(0.7);
  }
  50% {
    opacity: 1;
    transform: scaleY(1);
  }
}

/* —— Sections —— */
.section {
  padding: var(--section-gap) 0;
}

.stats {
  padding-top: 40px;
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-32);
  margin-top: var(--spacing-32);
}

.stat__value {
  margin: 0 0 8px;
  font-weight: 500;
  font-size: clamp(3rem, 8vw, 5.375rem);
  line-height: 1;
  letter-spacing: -0.046em;
  color: var(--color-lavender-phosphor);
}

.stat__label {
  margin: 0;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.055em;
  text-transform: uppercase;
  color: var(--color-liquid-mist);
}

/* Explore */
.explore__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}

.feature-list {
  margin-top: var(--spacing-48);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.feature-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--spacing-20);
  padding: var(--spacing-48) var(--spacing-36);
  border-radius: var(--radius-cards);
  background: transparent;
  transition: background 0.3s ease;
}

.feature-row:hover {
  background: rgba(15, 118, 110, 0.12);
}

.feature-row__title {
  margin: 0 0 12px;
  font-weight: 500;
  font-size: var(--text-heading);
  line-height: 1;
  color: var(--color-platinum);
}

.explore__visual {
  display: grid;
  place-items: center;
  min-height: 320px;
}

.molecule {
  width: min(100%, 320px);
  color: rgba(237, 255, 254, 0.55);
  animation: molecule-drift 14s ease-in-out infinite;
}

@keyframes molecule-drift {
  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-12px) rotate(2deg);
  }
}

/* Panels */
.panels__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-20);
  margin-top: var(--spacing-48);
}

.surface-card {
  background: var(--color-liquid-kelp);
  border-radius: var(--radius-cards);
  padding: var(--spacing-36);
}

.surface-card h3 {
  margin: 0 0 var(--spacing-16);
  font-weight: 500;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  line-height: 1;
  color: var(--color-platinum);
}

.surface-card p {
  margin: 0;
  font-size: 16px;
  line-height: 1.4;
  color: var(--color-silver-mist);
}

/* Kinetic */
.kinetic {
  padding: var(--spacing-80) 0;
  overflow: hidden;
}

.kinetic__text {
  margin: 0;
  padding-left: clamp(20px, 4vw, 48px);
  font-weight: 500;
  font-size: clamp(4.5rem, 18vw, 12rem);
  line-height: 1;
  letter-spacing: -0.046em;
  color: rgba(255, 255, 255, 0.06);
  white-space: nowrap;
  user-select: none;
}

/* CTA recessed */
.recessed {
  background: var(--color-liquid-deep);
  border-radius: var(--radius-cards);
  padding: var(--spacing-120) clamp(24px, 5vw, 64px);
  text-align: center;
}

.recessed .heading,
.recessed .eyebrow {
  max-width: none;
}

.recessed .heading {
  margin-inline: auto;
}

.recessed__lede {
  margin: 0 auto var(--spacing-36);
  max-width: 32rem;
}

/* Footer */
.footer {
  background: var(--color-liquid-deep);
  padding: var(--spacing-80) 0 var(--spacing-48);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--spacing-20);
}

.footer__logo {
  height: 32px;
  width: auto;
  opacity: 0.9;
}

.footer__note {
  margin: 0;
  max-width: 28rem;
  font-size: 14px;
  color: var(--color-silver-mist);
}

.footer__copy {
  margin: var(--spacing-24) 0 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-slate-deep);
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-16) var(--spacing-24);
  margin: 0;
}

.footer__links a {
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-silver-mist);
  transition: color 0.2s ease;
}

.footer__links a:hover {
  color: var(--color-platinum);
}

/* —— Legal / Privacy —— */
.legal {
  padding: calc(var(--nav-h) + 48px) 0 var(--spacing-80);
}

.legal__shell {
  max-width: 760px;
}

.legal__title {
  margin: 0 0 var(--spacing-20);
  font-weight: 500;
  font-size: clamp(2.25rem, 5vw, 3.4rem);
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--color-platinum);
}

.legal__meta {
  margin: 0 0 var(--spacing-32);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--color-slate-deep);
}

.legal__intro {
  margin-bottom: var(--spacing-24);
}

.legal__link {
  color: var(--color-liquid-mist);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.legal__link:hover {
  color: var(--color-platinum);
}

.legal__toc {
  margin: var(--spacing-48) 0;
  padding: var(--spacing-36);
  background: var(--color-liquid-kelp);
  border-radius: var(--radius-cards);
}

.legal__toc ol {
  margin: 0;
  padding-left: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.legal__toc a {
  color: var(--color-silver-mist);
  font-size: 14px;
  transition: color 0.2s ease;
}

.legal__toc a:hover {
  color: var(--color-platinum);
}

.legal__section {
  margin-bottom: var(--spacing-48);
  scroll-margin-top: calc(var(--nav-h) + 16px);
}

.legal__section h2 {
  margin: 0 0 var(--spacing-20);
  font-weight: 500;
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-platinum);
}

.legal__section h3 {
  margin: var(--spacing-24) 0 12px;
  font-weight: 500;
  font-size: 1.05rem;
  line-height: 1.3;
  color: var(--color-liquid-mist);
}

.legal__section p,
.legal__section li {
  font-size: 16px;
  line-height: 1.55;
  color: var(--color-silver-mist);
}

.legal__section p {
  margin: 0 0 14px;
}

.legal__section ul {
  margin: 0 0 16px;
  padding-left: 1.25rem;
}

.legal__section li {
  margin-bottom: 8px;
}

.legal__section strong {
  color: var(--color-liquid-mist);
  font-weight: 500;
}

.legal__contact-block {
  padding: var(--spacing-24);
  background: var(--color-liquid-deep);
  border-radius: var(--radius-cards);
}

/* Reveal motion */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* —— Responsive —— */
@media (max-width: 960px) {
  .explore__grid {
    grid-template-columns: 1fr;
  }

  .explore__visual {
    order: -1;
    min-height: 220px;
  }

  .molecule {
    width: min(100%, 240px);
  }

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

  .stats__grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-48);
  }

  .feature-row {
    padding: var(--spacing-32) 0;
  }
}

@media (max-width: 720px) {
  .nav {
    grid-template-columns: 1fr auto;
  }

  .nav__links,
  .nav > .btn--gradient {
    display: none;
  }

  .nav__menu {
    display: block;
  }

  .recessed {
    padding: var(--spacing-64) var(--spacing-24);
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__actions .btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

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

  .hero__glow,
  .hero__scroll span,
  .molecule {
    animation: none;
  }
}