/* ============================================================
   TOKENS & RESET
============================================================ */

:root {
  /* Palette */
  --navy: #080818;
  --navy-2: #0e0e24;
  --navy-3: #14143a;
  --navy-card: #0f0f28;
  --navy-border: rgba(255, 255, 255, 0.08);

  /* Gradient — cyan → pink/magenta (brand DNA) */
  --grad-start: #00dbde;
  --grad-end: #fc00ff;
  --gradient: linear-gradient(
    to right,
    var(--grad-start) 0%,
    var(--grad-end) 100%
  );

  /* Text */
  --text-primary: #f0f0ff;
  --text-secondary: #9090b8;
  --text-muted: #8484aa;

  /* Accents */
  --accent-cyan: #00dbde;
  --accent-pink: #fc00ff;
  --accent-glow: rgba(252, 0, 255, 0.18);

  /* Spacing scale */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 8rem;

  /* Typography */
  --font-display: "Exo", sans-serif;
  --font-body: "Exo", "Helvetica Neue", Helvetica, Arial, sans-serif;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  /* Motion */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --duration: 0.3s;
}

/* Rainbow Time overrides */
body.rainbow-mode {
  --navy: #05051a;
  --navy-2: #0a0520;
  --navy-3: #0f0a2e;
  --navy-card: #090520;
  --grad-start: #ff0080;
  --grad-end: #7928ca;
  --accent-cyan: #0affef;
  --accent-pink: #ff6ec7;
  --accent-glow: rgba(121, 40, 202, 0.25);
}

body.rainbow-mode .hero__name .gradient-text,
body.rainbow-mode .lets-talk__glyph {
  background-image: linear-gradient(
    to right,
    #ff0080 0%,
    #ff8c00 20%,
    #ffe600 40%,
    #00ff88 60%,
    #00c6ff 80%,
    #7928ca 100%
  );
}

body.rainbow-mode .footer__name {
  background-image: linear-gradient(
    135deg,
    #ff0080 0%,
    #ff8c00 18%,
    #ffe600 36%,
    #00ff88 54%,
    #00c6ff 72%,
    #7928ca 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-block;
  transition: none;
}

body.rainbow-mode .pillar {
  border-color: transparent;
  background-image:
    linear-gradient(var(--navy-card), var(--navy-card)),
    linear-gradient(
      135deg,
      #ff0080,
      #ff8c00,
      #ffe600,
      #00ff88,
      #00c6ff,
      #7928ca
    );
  background-origin: border-box;
  background-clip: padding-box, border-box;
  border: 1.5px solid transparent;
}

body.rainbow-mode .btn--primary::before {
  background: linear-gradient(
    135deg,
    #ff0080 0%,
    #ff8c00 20%,
    #ffe600 40%,
    #00ff88 60%,
    #00c6ff 80%,
    #7928ca 100%
  );
}

/* ============================================================
   GLOBAL RESET
============================================================ */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--navy);
  color: var(--text-primary);
  line-height: 1.65;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 0.5s var(--ease-out);
}

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

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

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

/* Focus ring — accessible, on-brand */
:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ============================================================
   LAYOUT UTILITIES
============================================================ */

.container {
  width: 100%;
  max-width: 1100px;
  margin-inline: auto;
  padding-inline: var(--space-md);
}

/* ============================================================
   TYPOGRAPHY UTILITIES
============================================================ */

.gradient-text {
  background-image: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  transition: background-image 0.5s var(--ease-out);
}

/* ============================================================
   BUTTONS
============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition:
    transform var(--duration) var(--ease-out),
    box-shadow var(--duration) var(--ease-out),
    opacity var(--duration);
  cursor: pointer;
}

.btn--primary {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid transparent;
  position: relative;
}

.btn--primary::before {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: calc(var(--radius-sm) + 2px);
  padding: 2px;
  background: var(--gradient);
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0.7;
  transition: opacity var(--duration) var(--ease-out);
}

.btn--primary:hover::before,
.btn--primary:focus-visible::before {
  opacity: 1;
}

.btn--primary:hover,
.btn--primary:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px var(--accent-glow);
}

.btn--ghost {
  border: 1px solid var(--navy-border);
  color: var(--text-secondary);
  background: transparent;
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--text-primary);
  transform: translateY(-2px);
}

/* ============================================================
   RAINBOW TOGGLE
============================================================ */

.rainbow-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 1rem;
  border-radius: 100px;
  border: 1px solid var(--navy-border);
  color: var(--text-secondary);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  transition:
    border-color var(--duration),
    color var(--duration),
    background-color var(--duration);
  background: transparent;
}

.rainbow-toggle:hover,
.rainbow-toggle[aria-pressed="true"] {
  border-color: rgba(255, 255, 255, 0.25);
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.rainbow-toggle__icon {
  font-size: 1rem;
  line-height: 1;
  transition: transform 0.4s var(--ease-out);
}

.rainbow-toggle:hover .rainbow-toggle__icon,
.rainbow-toggle[aria-pressed="true"] .rainbow-toggle__icon {
  transform: rotate(20deg) scale(1.15);
}

.rainbow-toggle--sm {
  font-size: 0.75rem;
  padding: 0.35rem 0.85rem;
}

/* ============================================================
   NAV
============================================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem var(--space-md);
  background: rgba(8, 8, 24, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--duration);
}

.nav.scrolled {
  border-color: var(--navy-border);
}

.nav__wordmark {
  font-family: var(--font-display);
  font-size: 1.375rem;
  letter-spacing: -0.01em;
  text-decoration: none;
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
  transition:
    opacity 0.4s var(--ease-out),
    transform 0.4s var(--ease-out);
}

.nav__wordmark .gradient-text {
  font-size: inherit;
  font-family: inherit;
}

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

/* ============================================================
   HERO
============================================================ */

.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 6rem;
  padding-bottom: var(--space-xl);
  position: relative;
  overflow: hidden;
}

/* Subtle deep-space glow behind hero */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      ellipse 60% 50% at 20% 40%,
      rgba(0, 219, 222, 0.07) 0%,
      transparent 70%
    ),
    radial-gradient(
      ellipse 50% 60% at 80% 60%,
      rgba(252, 0, 255, 0.07) 0%,
      transparent 70%
    );
  pointer-events: none;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  align-items: center;
}

@media (min-width: 768px) {
  .hero__inner {
    grid-template-columns: minmax(min-content, 300px) 1fr;
    gap: var(--space-lg);
  }
}

/* Big name */
.hero__name {
  font-family: var(--font-display);
  font-size: clamp(4rem, 13vw, 10rem);
  line-height: 0.9;
  letter-spacing: -0.02em;
  margin-bottom: 0.2em;
}

/* Right-side content */
.hero__content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.hero__title {
  font-size: clamp(0.8125rem, 2vw, 0.9375rem);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.hero__title-sep {
  color: var(--text-muted);
}

.hero__statement {
  font-size: clamp(1rem, 2.2vw, 1.1875rem);
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 48ch;
}

.hero__cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* Scroll hint — the little line below the hero */
.hero__scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0.35;
}

.hero__scroll-line {
  display: block;
  width: 1px;
  height: 4rem;
  background: linear-gradient(to bottom, transparent, var(--text-secondary));
  animation: scrollPulse 2.2s var(--ease-out) infinite;
}

@keyframes scrollPulse {
  0% {
    transform: scaleY(0);
    transform-origin: top;
    opacity: 0;
  }
  40% {
    transform: scaleY(1);
    transform-origin: top;
    opacity: 1;
  }
  60% {
    transform: scaleY(1);
    transform-origin: bottom;
    opacity: 1;
  }
  100% {
    transform: scaleY(0);
    transform-origin: bottom;
    opacity: 0;
  }
}

/* ============================================================
   SECTIONS — SHARED
============================================================ */

.section {
  padding-block: var(--space-xl);
}

.section + .section {
  border-top: 1px solid var(--navy-border);
}

.section__header {
  max-width: 640px;
  margin-bottom: var(--space-lg);
}

.section__eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 0.75rem;
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.25rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.section__subtitle {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 52ch;
}

/* Alternating section backgrounds */
.philosophy {
  background-color: var(--navy-2);
}

.impact {
  background-color: var(--navy);
}

.looking-for {
  background-color: var(--navy-2);
}

/* ============================================================
   PHILOSOPHY PILLARS
============================================================ */

.pillars {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .pillars {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .pillars {
    grid-template-columns: repeat(4, 1fr);
  }
}

.pillar {
  background: var(--navy-card);
  border: 1px solid var(--navy-border);
  border-radius: var(--radius-md);
  padding: 2rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition:
    border-color var(--duration),
    transform var(--duration) var(--ease-out),
    box-shadow var(--duration) var(--ease-out);
}

.pillar:hover {
  border-color: rgba(0, 219, 222, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.pillar__icon {
  font-size: 1.75rem;
  line-height: 1;
}

.pillar__title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  letter-spacing: 0.01em;
  color: var(--text-primary);
  line-height: 1.2;
}

.pillar__body {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
  flex: 1;
}

/* ============================================================
   CASE STUDIES (ACCORDION)
============================================================ */

.case-studies {
  display: flex;
  flex-direction: column;
  gap: 1px;
  border: 1px solid var(--navy-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

/* Individual case study wrapper */
.case-study {
  background: var(--navy-card);
  transition: background-color var(--duration);
}

.case-study.is-open {
  background: var(--navy-3);
}

/* Trigger button */
.case-study__trigger {
  width: 100%;
  text-align: left;
  padding: 2rem 2.25rem;
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto auto;
  grid-template-areas:
    "meta     chevron"
    "title    chevron"
    "teaser   chevron";
  gap: 0.4rem 1.5rem;
  align-items: start;
  cursor: pointer;
  transition: background-color var(--duration);
  border-bottom: 1px solid var(--navy-border);
  position: relative;
}

.case-study__trigger:hover {
  background: rgba(255, 255, 255, 0.02);
}

.case-study.is-open .case-study__trigger {
  border-bottom-color: var(--navy-border);
}

.case-study__meta {
  grid-area: meta;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.case-study__org {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-cyan);
}

.case-study__tag {
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--navy-border);
  padding: 0.2em 0.6em;
  border-radius: 100px;
}

.case-study__title {
  grid-area: title;
  font-family: var(--font-display);
  font-size: clamp(1.125rem, 2.5vw, 1.375rem);
  font-weight: 400;
  letter-spacing: 0.01em;
  color: var(--text-primary);
  line-height: 1.2;
  transition: color var(--duration);
}

.case-study__trigger:hover .case-study__title,
.case-study.is-open .case-study__title {
  background-image: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.case-study__teaser {
  grid-area: teaser;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 66ch;
}

/* Chevron arrow */
.case-study__chevron {
  grid-area: chevron;
  align-self: center;
  width: 1.25rem;
  height: 1.25rem;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
  border-radius: 1px;
  transform: rotate(45deg);
  transition:
    transform var(--duration) var(--ease-out),
    border-color var(--duration);
  margin-top: 0.25rem;
  flex-shrink: 0;
}

.case-study.is-open .case-study__chevron {
  transform: rotate(-135deg);
  border-color: var(--accent-cyan);
}

/* Expanded body */
.case-study__body {
  padding: 0 2.25rem 2.5rem;
  animation: expandIn 0.35s var(--ease-out);
}

.case-study__body[hidden] {
  display: none;
}

@keyframes expandIn {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.case-study__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--navy-border);
}

@media (min-width: 640px) {
  .case-study__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .case-study__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.case-study__col-title {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-pink);
  margin-bottom: 0.65rem;
}

.case-study__col p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.case-study__list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.case-study__list li {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  padding-left: 1.1rem;
  position: relative;
}

.case-study__list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent-cyan);
  font-size: 0.75rem;
  top: 0.2em;
}

/* ============================================================
   LOOKING FOR
============================================================ */

.seeking-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-bottom: var(--space-lg);
}

@media (min-width: 640px) {
  .seeking-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.seeking-card {
  background: var(--navy-card);
  border: 1px solid var(--navy-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition:
    border-color var(--duration),
    transform var(--duration) var(--ease-out);
}

.seeking-card:hover {
  border-color: rgba(252, 0, 255, 0.3);
  transform: translateY(-3px);
}

.seeking-card__title {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  letter-spacing: 0.02em;
  color: var(--text-primary);
  margin-bottom: 0.85rem;
}

.seeking-card__body {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

.seeking-note {
  max-width: 560px;
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--navy-border);
  background: rgba(255, 255, 255, 0.02);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.seeking-note p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* ============================================================
   LETS TALK
============================================================ */

.lets-talk {
  background-color: var(--navy-2);
}

.lets-talk__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  align-items: center;
}

@media (min-width: 768px) {
  .lets-talk__inner {
    grid-template-columns: 1fr auto;
    gap: var(--space-xl);
  }
}

.lets-talk__content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-width: 560px;
}

.lets-talk__body {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

.lets-talk__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  padding-top: 0.5rem;
}

.lets-talk__aside {
  display: none;
}

@media (min-width: 768px) {
  .lets-talk__aside {
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

.lets-talk__glyph {
  font-size: clamp(6rem, 12vw, 10rem);
  line-height: 1;
  user-select: none;
  opacity: 0.6;
  animation: glyphSpin 18s linear infinite;
}

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

@media (prefers-reduced-motion: reduce) {
  .lets-talk__glyph {
    animation: none;
  }
}

/* ============================================================
   FOOTER
============================================================ */

.footer {
  background-color: var(--navy);
  border-top: 1px solid var(--navy-border);
  padding-block: var(--space-lg);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

@media (min-width: 768px) {
  .footer__inner {
    grid-template-columns: 1fr auto;
    align-items: start;
  }
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer__name {
  font-family: var(--font-display);
  font-size: 1.75rem;
  letter-spacing: -0.01em;
}

.footer__tagline {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  align-items: center;
}

.footer__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color var(--duration);
}

.footer__link:hover {
  color: var(--text-primary);
}

.footer__link-icon {
  width: 1.125rem;
  height: 1.125rem;
  flex-shrink: 0;
}

.footer__bottom {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: var(--space-md);
  border-top: 1px solid var(--navy-border);
}

.footer__copy {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* ============================================================
   SCROLLED NAV STATE (JS-driven)
============================================================ */

.nav.scrolled {
  box-shadow: 0 1px 24px rgba(0, 0, 0, 0.4);
}

/* ============================================================
   REDUCED MOTION
============================================================ */

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

  html {
    scroll-behavior: auto;
  }
}

/* ============================================================
   MOBILE TWEAKS
============================================================ */

@media (max-width: 767px) {
  .hero {
    padding-top: 5rem;
    padding-bottom: var(--space-lg);
  }

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

  .hero__name {
    font-size: clamp(4.5rem, 22vw, 8rem);
  }

  .hero__scroll-hint {
    display: none;
  }

  .case-study__trigger {
    padding: 1.5rem;
  }

  .case-study__body {
    padding: 0 1.5rem 2rem;
  }

  .section {
    padding-block: var(--space-lg);
  }
}