/* ===== DESIGN TOKENS ===== */
:root {
  /* Type Scale */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);
  --text-hero: clamp(3rem,     0.5rem  + 7vw,    8rem);

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-full: 100%;

  /* Brand Fonts — Krona One (display) + system sans (body, Sinkin Sans fallback) */
  --font-display: 'Krona One', 'Helvetica Neue', sans-serif;
  --font-body: 'DM Sans', 'Helvetica Neue', sans-serif;
}

/* ===== BRAND PALETTE: #11111f (navy) + #8edd65 (green) ===== */

/* LIGHT MODE — bright & clean */
:root, [data-theme="light"] {
  --color-bg:             #ffffff;
  --color-surface:        #f7faf5;
  --color-surface-2:      #eef4ea;
  --color-surface-offset: #f0f5ed;
  --color-divider:        #e2e8de;
  --color-border:         #d0d8cb;

  --color-text:           #11111f;
  --color-text-muted:     #4a4a5a;
  --color-text-faint:     #8b8b98;
  --color-text-inverse:   #ffffff;

  --color-primary:        #4faa24;
  --color-primary-hover:  #429218;
  --color-primary-active: #367a12;
  --color-primary-light:  rgba(142, 221, 101, 0.1);

  --shadow-sm: 0 1px 3px rgba(17,17,31,0.05);
  --shadow-md: 0 4px 14px rgba(17,17,31,0.07);
  --shadow-lg: 0 12px 36px rgba(17,17,31,0.1);
}

/* DARK MODE — brand navy #11111f */
[data-theme="dark"] {
  --color-bg:             #0b0b15;
  --color-surface:        #11111f;
  --color-surface-2:      #1a1a2e;
  --color-surface-offset: #0e0e1a;
  --color-divider:        #1e1e32;
  --color-border:         #2a2a42;

  --color-text:           #e4e6e2;
  --color-text-muted:     #9a9baa;
  --color-text-faint:     #5e5e72;
  --color-text-inverse:   #11111f;

  --color-primary:        #8edd65;
  --color-primary-hover:  #a0e87e;
  --color-primary-active: #7ccc55;
  --color-primary-light:  rgba(142, 221, 101, 0.1);

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 14px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 36px rgba(0,0,0,0.5);
}

/* ===== GLOBAL STYLES ===== */
a {
  color: var(--color-primary);
  text-decoration: none;
}
a:hover {
  color: var(--color-primary-hover);
}

.container {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}
@media (min-width: 768px) {
  .container { padding-inline: var(--space-8); }
}

/* ===== NAVIGATION ===== */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: oklch(from var(--color-bg) l c h / 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-divider);
  transition: box-shadow 0.3s ease;
}
.nav--scrolled {
  box-shadow: var(--shadow-sm);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-3);
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}
@media (min-width: 768px) {
  .nav__inner { padding-inline: var(--space-8); }
}
.nav__logo {
  height: 64px;
  width: auto;
}
.nav__links {
  display: none;
  list-style: none;
  gap: var(--space-8);
  align-items: center;
}
@media (min-width: 768px) {
  .nav__links { display: flex; }
}
.nav__links a {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
}
.nav__links a:hover {
  color: var(--color-primary);
}
.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.nav__toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--color-text);
}
@media (min-width: 768px) {
  .nav__toggle { display: none; }
}

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--color-bg);
  padding: var(--space-8) var(--space-4);
  flex-direction: column;
  gap: var(--space-6);
}
.mobile-menu.is-open { display: flex; }
.mobile-menu__close {
  align-self: flex-end;
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  color: var(--color-text);
}
.mobile-menu a {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text);
  text-decoration: none;
}
.mobile-menu a:hover { color: var(--color-primary); }

/* Theme toggle */
.theme-toggle {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
}
.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-primary-light);
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-block: var(--space-16);
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 15% 85%, oklch(0.55 0.2 140 / 0.08), transparent),
    radial-gradient(ellipse 50% 40% at 85% 15%, oklch(0.6 0.15 145 / 0.06), transparent);
}
.hero__bg::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 200px;
  background: linear-gradient(to top, var(--color-bg), transparent);
}
.hero__content {
  position: relative;
  z-index: 1;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}
@media (min-width: 768px) {
  .hero__content { padding-inline: var(--space-8); }
}
.hero__tagline {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-6);
}
.hero__tagline::before {
  content: '';
  width: 32px; height: 2px;
  background: var(--color-primary);
}
.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: var(--space-6);
  max-width: 16ch;
  line-height: 1.15;
}
.hero__title span {
  color: var(--color-primary);
}
.hero__desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 52ch;
  margin-bottom: var(--space-8);
  line-height: 1.75;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-interactive);
}
.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.btn--primary:hover {
  background: var(--color-primary-hover);
  color: var(--color-text-inverse);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px oklch(from var(--color-primary) l c h / 0.3);
}
.btn--primary:active { transform: translateY(0); }
.btn--outline {
  border: 1px solid var(--color-border);
  color: var(--color-text);
  background: transparent;
}
.btn--outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-light);
}

/* ===== SECTION HELPERS ===== */
.section {
  padding-block: clamp(var(--space-12), 8vw, var(--space-24));
}
.section--alt {
  background: var(--color-surface);
}
.section__header {
  margin-bottom: var(--space-12);
}
.section__label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.section__label::before {
  content: '';
  width: 24px; height: 2px;
  background: var(--color-primary);
}
.section__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  line-height: 1.3;
}
.section__desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 60ch;
  line-height: 1.75;
}

/* ===== ABOUT / MISSION ===== */
.about-grid {
  display: grid;
  gap: var(--space-8);
  align-items: start;
}
@media (min-width: 768px) {
  .about-grid { grid-template-columns: 1fr 1fr; gap: var(--space-12); }
}
.about-stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-8);
}
@media (max-width: 480px) {
  .about-stat-row { grid-template-columns: 1fr; }
}
.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  text-align: center;
}
.stat-card__number {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-primary);
  line-height: 1.2;
}
.stat-card__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
  letter-spacing: 0.03em;
}

/* ===== APPROACH ===== */
.approach-grid {
  display: grid;
  gap: var(--space-6);
}
@media (min-width: 768px) {
  .approach-grid { grid-template-columns: repeat(2, 1fr); }
}
.approach-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: transform var(--transition-interactive), box-shadow var(--transition-interactive);
}
.approach-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.approach-card__icon {
  width: 36px; height: 36px;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.approach-card__title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  color: var(--color-text);
  margin-bottom: var(--space-2);
  letter-spacing: 0.02em;
}
.approach-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.75;
}

/* ===== PIPELINE ===== */
.pipeline-item {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6) var(--space-8);
  margin-bottom: var(--space-6);
}
@media (max-width: 640px) {
  .pipeline-item { padding: var(--space-5); }
}
.pipeline-item__header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.pipeline-item__name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text);
}
.pipeline-item__badge {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  background: var(--color-primary-light);
  color: var(--color-primary);
}
.pipeline-item__indication {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.pipeline-item__desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: var(--space-6);
}
.pipeline-stages {
  display: flex;
  gap: 2px;
  margin-top: var(--space-4);
}
.pipeline-stage {
  flex: 1;
  text-align: center;
  padding: var(--space-2) var(--space-1);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  border-radius: var(--radius-sm);
  background: var(--color-surface-2);
  color: var(--color-text-faint);
  letter-spacing: 0.02em;
}
.pipeline-stage--active {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.pipeline-stage--completed {
  background: oklch(from var(--color-primary) l c h / 0.2);
  color: var(--color-primary);
}

/* ===== TEAM ===== */
.team-grid {
  display: grid;
  gap: var(--space-6);
}
@media (min-width: 640px) {
  .team-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .team-grid { grid-template-columns: repeat(3, 1fr); }
}
.team-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: transform var(--transition-interactive), box-shadow var(--transition-interactive);
}
.team-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.team-card__avatar {
  width: 52px; height: 52px;
  border-radius: var(--radius-full);
  background: var(--color-primary-light);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.team-card__name {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  color: var(--color-text);
  margin-bottom: var(--space-1);
  letter-spacing: 0.01em;
}
.team-card__role {
  font-size: var(--text-sm);
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.team-card__bio {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.75;
}

/* ===== PARTNERSHIP BANNER ===== */
.partnership {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6) var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: flex-start;
  margin-top: var(--space-8);
}
@media (min-width: 768px) {
  .partnership { flex-direction: row; align-items: center; gap: var(--space-8); }
}
.partnership__icon {
  width: 44px; height: 44px;
  flex-shrink: 0;
  color: var(--color-primary);
}
.partnership__text h3 {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  color: var(--color-text);
  margin-bottom: var(--space-1);
  letter-spacing: 0.02em;
}
.partnership__text p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.75;
}

/* ===== CONTACT ===== */
.contact-grid {
  display: grid;
  gap: var(--space-8);
}
@media (min-width: 768px) {
  .contact-grid { grid-template-columns: 1fr 1.2fr; gap: var(--space-12); }
}
.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}
.contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}
.contact-info__icon {
  width: 22px; height: 22px;
  flex-shrink: 0;
  color: var(--color-primary);
  margin-top: 2px;
}
.contact-info__label {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-1);
}
.contact-info__value {
  font-size: var(--text-base);
  color: var(--color-text);
}
.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.contact-form h3 {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  color: var(--color-text);
  margin-bottom: var(--space-6);
  letter-spacing: 0.02em;
}
.form-group {
  margin-bottom: var(--space-4);
}
.form-group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  font-size: var(--text-base);
  color: var(--color-text);
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px oklch(from var(--color-primary) l c h / 0.15);
}
.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* ===== FOOTER ===== */
.footer {
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-12) var(--space-8);
  background: var(--color-surface);
}
.footer__top {
  display: grid;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}
@media (min-width: 768px) {
  .footer__top { grid-template-columns: 2fr 1fr 1fr; gap: var(--space-12); }
}
.footer__brand-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-top: var(--space-3);
  max-width: 36ch;
}
.footer__heading {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-4);
}
.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.footer__links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
}
.footer__links a:hover { color: var(--color-primary); }
.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
}
.footer__copy {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.footer__attribution {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.footer__attribution a {
  color: var(--color-text-muted);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.footer__logo {
  height: 32px;
  width: auto;
}

/* ===== HEALTH GAP VISUAL ===== */
.health-gap-visual {
  margin-top: var(--space-8);
}
.health-gap-bar {
  position: relative;
  height: 48px;
  border-radius: var(--radius-lg);
  background: var(--color-surface-2);
  overflow: hidden;
  display: flex;
}
.health-gap-bar__health {
  background: linear-gradient(90deg, var(--color-primary), oklch(from var(--color-primary) l c h / 0.7));
  height: 100%;
  flex: 0 0 60%;
  display: flex;
  align-items: center;
  padding-left: var(--space-4);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: var(--color-text-inverse);
  border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}
.health-gap-bar__gap {
  background: oklch(0.5 0.1 25 / 0.2);
  height: 100%;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
}
.health-gap-labels {
  display: flex;
  justify-content: space-between;
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* ===== SCROLL ANIMATIONS ===== */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.stagger > .reveal:nth-child(1) { transition-delay: 0ms; }
.stagger > .reveal:nth-child(2) { transition-delay: 80ms; }
.stagger > .reveal:nth-child(3) { transition-delay: 160ms; }
.stagger > .reveal:nth-child(4) { transition-delay: 240ms; }
.stagger > .reveal:nth-child(5) { transition-delay: 320ms; }
.stagger > .reveal:nth-child(6) { transition-delay: 400ms; }

/* Skip Link */
.skip-link {
  position: absolute;
  top: -100%; left: var(--space-4);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  z-index: 200;
  text-decoration: none;
}
.skip-link:focus { top: var(--space-2); }

/* ===== SPLASH LANDING PAGE ===== */
.splash {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: #e8f5de;
  cursor: pointer;
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.splash.is-hidden {
  opacity: 0;
  pointer-events: none;
}
.splash__img {
  max-width: min(80vw, 560px);
  max-height: 60vh;
  object-fit: contain;
}
.splash__cta {
  margin-top: var(--space-6);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #4faa24;
  opacity: 0;
  animation: fadeInCta 1s ease 1.5s forwards;
}
@keyframes fadeInCta {
  to { opacity: 0.7; }
}