/* style.css — Definitive TNF Therapies Design System + Components */

/* ===== TYPE SCALE ===== */
:root {
  --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,     0.9rem  + 0.5vw,  1.125rem);
  --text-lg:   clamp(1.125rem, 0.95rem + 0.85vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1rem    + 1.5vw,  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 SYSTEM (4px base) ===== */
:root {
  --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;
}

/* ===== FONTS ===== */
:root {
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'Plus Jakarta Sans', 'Inter', sans-serif;
}

/* ===== CUSTOM BIOTECH PALETTE — Light Mode ===== */
:root, [data-theme="light"] {
  /* Surfaces */
  --color-bg:             #FFFFFF;
  --color-surface:        #F8F9FA;
  --color-surface-2:      #F0F2F4;
  --color-surface-offset: #E8EBEE;
  --color-surface-offset-2: #DFE3E7;
  --color-surface-dynamic: #D4DAE0;
  --color-divider:        #CDD4DB;
  --color-border:         #BFC8D1;

  /* Text */
  --color-text:           #0A1628;
  --color-text-muted:     #5A6577;
  --color-text-faint:     #9AA5B4;
  --color-text-inverse:   #FFFFFF;

  /* Primary Accent (Teal) */
  --color-primary:        #1B8A9E;
  --color-primary-hover:  #157080;
  --color-primary-active: #105A67;
  --color-primary-highlight: #D4EEF3;

  /* Error */
  --color-error:          #C62828;
  --color-error-hover:    #9C2020;
  --color-error-active:   #781818;

  /* Success */
  --color-success:        #2E7D32;
  --color-success-hover:  #1B5E20;
  --color-success-active: #145218;

  /* Warning */
  --color-warning:        #E65100;
  --color-warning-hover:  #BF4400;
  --color-warning-active: #993600;

  /* 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);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(10, 22, 40, 0.06);
  --shadow-md: 0 4px 12px rgba(10, 22, 40, 0.08);
  --shadow-lg: 0 12px 32px rgba(10, 22, 40, 0.12);

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

  /* Computed alpha colors for cross-browser compat */
  --color-header-bg: rgba(255, 255, 255, 0.92);
  --color-nav-bg: rgba(255, 255, 255, 0.97);
  --color-border-subtle: rgba(10, 22, 40, 0.06);
  --color-primary-border: rgba(27, 138, 158, 0.3);
  --color-selection-bg: rgba(27, 138, 158, 0.25);
}

/* ===== DARK MODE ===== */
[data-theme="dark"] {
  --color-bg:             #0A1628;
  --color-surface:        #0F1D32;
  --color-surface-2:      #14243C;
  --color-surface-offset: #1A2C48;
  --color-surface-offset-2: #213654;
  --color-surface-dynamic: #2A4060;
  --color-divider:        #1E3250;
  --color-border:         #2A4060;

  --color-text:           #E2E6EC;
  --color-text-muted:     #8A95A8;
  --color-text-faint:     #556378;
  --color-text-inverse:   #0A1628;

  --color-primary:        #3AACBF;
  --color-primary-hover:  #2E96A8;
  --color-primary-active: #238090;
  --color-primary-highlight: #1A2C48;

  --color-error:          #EF5350;
  --color-error-hover:    #E53935;
  --color-error-active:   #C62828;

  --color-success:        #66BB6A;
  --color-success-hover:  #4CAF50;
  --color-success-active: #2E7D32;

  --color-warning:        #FFA726;
  --color-warning-hover:  #FF9800;
  --color-warning-active: #E65100;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.5);

  --color-header-bg: rgba(10, 22, 40, 0.92);
  --color-nav-bg: rgba(10, 22, 40, 0.97);
  --color-border-subtle: rgba(226, 230, 236, 0.08);
  --color-primary-border: rgba(58, 172, 191, 0.3);
  --color-selection-bg: rgba(58, 172, 191, 0.25);
}

/* System preference fallback */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:             #0A1628;
    --color-surface:        #0F1D32;
    --color-surface-2:      #14243C;
    --color-surface-offset: #1A2C48;
    --color-surface-offset-2: #213654;
    --color-surface-dynamic: #2A4060;
    --color-divider:        #1E3250;
    --color-border:         #2A4060;
    --color-text:           #E2E6EC;
    --color-text-muted:     #8A95A8;
    --color-text-faint:     #556378;
    --color-text-inverse:   #0A1628;
    --color-primary:        #3AACBF;
    --color-primary-hover:  #2E96A8;
    --color-primary-active: #238090;
    --color-primary-highlight: #1A2C48;
    --color-error:          #EF5350;
    --color-success:        #66BB6A;
    --color-warning:        #FFA726;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.5);

    --color-header-bg: rgba(10, 22, 40, 0.92);
    --color-nav-bg: rgba(10, 22, 40, 0.97);
    --color-border-subtle: rgba(226, 230, 236, 0.08);
    --color-primary-border: rgba(58, 172, 191, 0.3);
    --color-selection-bg: rgba(58, 172, 191, 0.25);
  }
}


/* ======================================================
   COMPONENTS
   ====================================================== */

/* ===== SKIP LINK ===== */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: 200;
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: top var(--transition-interactive);
}
.skip-link:focus {
  top: var(--space-4);
}

/* ===== HEADER ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-header-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border-subtle);
  transition: box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.header--scrolled {
  box-shadow: var(--shadow-sm);
}
.header__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-4) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
  transition: opacity var(--transition-interactive);
}
.header__logo:hover {
  opacity: 0.8;
}
.logo-mark {
  flex-shrink: 0;
  color: var(--color-primary);
}
.logo-text {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-text);
}

/* Nav */
.nav-list {
  display: flex;
  gap: var(--space-8);
}
.nav-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--color-primary);
  transition: width var(--transition-interactive);
}
.nav-link:hover {
  color: var(--color-text);
}
.nav-link:hover::after {
  width: 100%;
}

/* Header actions */
.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: background var(--transition-interactive),
              color var(--transition-interactive);
}
.theme-toggle:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  gap: 5px;
}
.hamburger__line {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--color-text);
  border-radius: 1px;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  transform-origin: center;
}
.hamburger[aria-expanded="true"] .hamburger__line:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.hamburger[aria-expanded="true"] .hamburger__line:nth-child(2) {
  opacity: 0;
}
.hamburger[aria-expanded="true"] .hamburger__line:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-24) var(--space-6) var(--space-16);
  overflow: hidden;
}
.hero__content {
  position: relative;
  z-index: 2;
  max-width: var(--content-default);
  text-align: center;
}
.hero__overline {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  margin-bottom: var(--space-6);
}
.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  line-height: 1.08;
  color: var(--color-text);
  margin-bottom: var(--space-6);
  letter-spacing: -0.01em;
}
.hero__description {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 56ch;
  margin: 0 auto var(--space-12);
  line-height: 1.7;
}
.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-primary);
  text-decoration: none;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: var(--space-3) var(--space-6);
  border: 1.5px solid var(--color-primary);
  border-radius: var(--radius-md);
  transition: background var(--transition-interactive), color var(--transition-interactive);
  margin-top: var(--space-4);
}
.hero__cta:hover {
  background: var(--color-primary);
  color: #fff;
}
.hero__cta-text {
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* Hero geometric accent */
.hero__accent {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(500px, 80vw);
  height: min(500px, 80vw);
  color: var(--color-text);
  pointer-events: none;
  z-index: 1;
}
.hero__lines {
  width: 100%;
  height: 100%;
}

/* ===== SECTIONS ===== */
.section {
  position: relative;
  padding: clamp(var(--space-16), 8vw, var(--space-32)) var(--space-6);
}
.section__container {
  max-width: var(--content-wide);
  margin: 0 auto;
  position: relative;
}
.section__header {
  margin-bottom: var(--space-12);
}
.section__overline {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.section__title {
  font-family: var(--font-body);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
}
.section__prose {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 65ch;
  line-height: 1.7;
}
.section__prose + .section__prose {
  margin-top: var(--space-4);
}

/* Opportunity section accent */
.section--opportunity {
  border-top: 1px solid var(--color-divider);
}
.section__accent {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 200px;
  height: 200px;
  color: var(--color-text);
  pointer-events: none;
}
.geometric-accent {
  width: 100%;
  height: 100%;
}

/* ===== BUSINESS MODEL ===== */
.section--model {
  border-top: 1px solid var(--color-divider);
}

/* ===== PROGRAMS ===== */
.section--programs {
  border-top: 1px solid var(--color-divider);
}
.section--programs .section__prose {
  margin-bottom: var(--space-8);
}

.pipeline-figure {
  margin: 2rem 0 2.5rem;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 16px rgba(10, 22, 40, 0.08);
}

.pipeline-figure__img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
}

.programs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}
.program-card {
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  border-top: 3px solid var(--color-primary);
}
.program-card__subtitle {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-style: italic;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  letter-spacing: 0.01em;
}
.program-card__title {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
  letter-spacing: -0.01em;
}
.program-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}
.pipeline-milestone {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: 65ch;
}

.programs-footnote {
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  line-height: 1.6;
  max-width: 75ch;
}
.programs-footnote__link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-interactive);
}
.programs-footnote__link:hover {
  color: var(--color-primary-hover);
}

/* ===== TEAM ===== */
.section--team {
  border-top: 1px solid var(--color-divider);
}
.team-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}
.team-card {
  display: flex;
  gap: var(--space-8);
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  align-items: flex-start;
}
.team-card__headshot {
  flex-shrink: 0;
  width: 100px;
  height: 100px;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.team-card__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.team-card__avatar {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.05em;
}
.team-card__name {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}
.team-card__linkedin {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.team-card__linkedin:hover {
  color: var(--color-primary);
}
.team-card__linkedin-icon {
  flex-shrink: 0;
  opacity: 0.5;
  transition: opacity var(--transition-interactive);
}
.team-card__linkedin:hover .team-card__linkedin-icon {
  opacity: 1;
  color: #0A66C2;
}
.team-card__role {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-3);
}
.team-card__bio {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ===== PARTNERS ===== */
.section--partners {
  border-top: 1px solid var(--color-divider);
}
.partners-intro {
  margin-bottom: var(--space-12);
}
.partners-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}
.partner-detail {
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
}
.partner-detail__header {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}
.partner-detail__logo-wrap {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.partner-detail__logo {
  max-width: 56px;
  max-height: 56px;
  object-fit: contain;
}
[data-theme="dark"] .partner-detail__logo {
  filter: brightness(1.15);
}
.partner-detail__name {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-1);
  letter-spacing: -0.01em;
}
.partner-detail__type {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.partner-detail__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 80ch;
}

/* ===== CONTACT ===== */
.section--contact {
  border-top: 1px solid var(--color-divider);
}
.contact__body {
  max-width: var(--content-narrow);
}
.contact__text {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  line-height: 1.7;
}
.contact__email {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-interactive);
  margin-bottom: var(--space-4);
  border-bottom: 1.5px solid var(--color-primary-border);
  padding-bottom: var(--space-1);
}
.contact__email:hover {
  color: var(--color-primary-hover);
  border-bottom-color: var(--color-primary-hover);
}
.contact__text--secondary {
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
  font-size: var(--text-sm);
}
.contact__email--secondary {
  font-size: var(--text-base);
}
.contact__location {
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  font-weight: 500;
}

/* ===== FOOTER ===== */
.footer {
  border-top: 1px solid var(--color-divider);
  padding: var(--space-8) var(--space-6);
}
.footer__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
}
.footer__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-4);
}
.footer__copyright {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.footer__location {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.footer__attribution {
  text-align: center;
}
.footer__attribution a {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.footer__attribution a:hover {
  color: var(--color-text-muted);
}

/* ===== SCROLL ANIMATIONS ===== */
/* Simple fade-in via IntersectionObserver (JS-driven) */
.fade-in {
  opacity: 1;
}
.fade-in--js {
  opacity: 0;
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.fade-in--js.fade-in--visible {
  opacity: 1;
}

/* System preference dark mode: partner logos */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .partner-detail__logo {
    filter: brightness(1.15);
  }
}

/* ===== MOBILE ===== */
@media (max-width: 768px) {
  .header__nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 90;
    background: var(--color-nav-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1),
                visibility 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  }
  .header__nav.is-open {
    opacity: 1;
    visibility: visible;
  }
  .nav-list {
    flex-direction: column;
    gap: var(--space-8);
    text-align: center;
  }
  .nav-link {
    font-size: var(--text-lg);
  }
  .hamburger {
    display: flex;
    z-index: 95;
  }
  .hero {
    min-height: 75vh;
    padding: var(--space-20) var(--space-4) var(--space-12);
  }
  .hero__title {
    font-size: var(--text-2xl);
  }
  .hero__description {
    font-size: var(--text-sm);
  }
  .programs-grid {
    grid-template-columns: 1fr;
  }
  .team-card {
    flex-direction: column;
  }
  .team-card__headshot {
    width: 80px;
    height: 80px;
  }
  .footer__row {
    flex-direction: column;
    gap: var(--space-2);
    text-align: center;
  }
  .section__accent {
    display: none;
  }
  .hero__accent {
    width: min(350px, 90vw);
    height: min(350px, 90vw);
  }
}

@media (max-width: 480px) {
  .header__inner {
    padding: var(--space-3) var(--space-4);
  }
  .section {
    padding-inline: var(--space-4);
  }
}

/* ===== AUTH GATE ===== */
/* Hide site content until authenticated */
body:not(.authenticated) #site-header,
body:not(.authenticated) #main,
body:not(.authenticated) #site-footer {
  display: none !important;
}
body.authenticated .auth-gate {
  display: none !important;
}
.auth-gate {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg, #0A1628);
  padding: var(--space-6);
}
.auth-gate__card {
  width: 100%;
  max-width: 380px;
  text-align: center;
}
.auth-gate__logo {
  color: var(--color-primary, #1B8A9E);
  margin-bottom: var(--space-6);
}
.auth-gate__title {
  font-family: var(--font-display, 'DM Serif Display', serif);
  font-size: var(--text-2xl, 1.75rem);
  font-weight: 400;
  color: var(--color-text, #FFFFFF);
  margin-bottom: var(--space-2, 8px);
}
.auth-gate__subtitle {
  font-family: var(--font-body, 'Plus Jakarta Sans', sans-serif);
  font-size: var(--text-sm, 0.875rem);
  color: var(--color-text-muted, #5A6577);
  margin-bottom: var(--space-8, 32px);
}
.auth-gate__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4, 16px);
}
.auth-gate__field {
  text-align: left;
}
.auth-gate__label {
  display: block;
  font-family: var(--font-body, 'Plus Jakarta Sans', sans-serif);
  font-size: var(--text-xs, 0.75rem);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted, #5A6577);
  margin-bottom: var(--space-1, 4px);
}
.auth-gate__input {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-body, 'Plus Jakarta Sans', sans-serif);
  font-size: var(--text-sm, 0.875rem);
  color: var(--color-text, #FFFFFF);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md, 8px);
  outline: none;
  transition: border-color 0.2s ease;
  box-sizing: border-box;
}
.auth-gate__input:focus {
  border-color: var(--color-primary, #1B8A9E);
}
.auth-gate__error {
  font-family: var(--font-body, 'Plus Jakarta Sans', sans-serif);
  font-size: var(--text-xs, 0.75rem);
  color: #e55;
  margin: 0;
}
.auth-gate__btn {
  padding: 12px 24px;
  font-family: var(--font-body, 'Plus Jakarta Sans', sans-serif);
  font-size: var(--text-sm, 0.875rem);
  font-weight: 600;
  color: #fff;
  background: var(--color-primary, #1B8A9E);
  border: none;
  border-radius: var(--radius-md, 8px);
  cursor: pointer;
  transition: background 0.2s ease;
  margin-top: var(--space-2, 8px);
}
.auth-gate__btn:hover {
  background: var(--color-primary-hover, #167a8c);
}
.auth-gate[hidden] {
  display: none;
}