/* =========================================
   SHARK FUND — HUMANIZED DESIGN SYSTEM
   =========================================
   Typography: Source Serif 4 (headings) + Inter (body)
   Palette: Deep navy primary, warm neutrals, subtle teal accent
   Philosophy: Professional, trustworthy, mature, human-centered
   ========================================= */

/* ---------- DESIGN TOKENS ---------- */
:root {
  /* Primary */
  --navy-900: #0f1b2d;
  --navy-800: #1a2b45;
  --navy-700: #243a5a;
  --navy-600: #2f4a6e;

  /* Accent — restrained teal */
  --teal-600: #0d7377;
  --teal-500: #0f8b8d;
  --teal-400: #1aacae;
  --teal-100: #e0f5f5;
  --teal-50:  #f0fafa;

  /* Warm neutrals */
  --warm-50:  #faf9f7;
  --warm-100: #f3f1ed;
  --warm-200: #e8e4dd;
  --warm-300: #d5cfc5;
  --warm-400: #b0a898;
  --warm-500: #8a8070;
  --warm-600: #6b6356;
  --warm-700: #4a4439;
  --warm-800: #2e2a23;
  --warm-900: #1c1915;

  /* Semantic */
  --bg:           #ffffff;
  --bg-alt:       var(--warm-50);
  --bg-card:      #ffffff;
  --text-primary: var(--navy-900);
  --text-body:    #3d4556;
  --text-muted:   #6b7280;
  --text-faint:   #9ca3af;
  --border:       #e5e2dc;
  --border-light: #f0ede8;
  --shadow-sm:    0 1px 3px rgba(15, 27, 45, 0.06);
  --shadow-md:    0 4px 16px rgba(15, 27, 45, 0.08);
  --shadow-lg:    0 8px 32px rgba(15, 27, 45, 0.10);

  /* State */
  --success:    #16a34a;
  --success-bg: #f0fdf4;
  --error:      #dc2626;
  --error-bg:   #fef2f2;
  --live-red:   #dc2626;

  /* Typography */
  --font-heading: 'Source Serif 4', Georgia, 'Times New Roman', serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Spacing scale (4px base) */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 20px;
  --sp-6: 24px;
  --sp-8: 32px;
  --sp-10: 40px;
  --sp-12: 48px;
  --sp-16: 64px;
  --sp-20: 80px;
  --sp-24: 96px;

  /* Sizing */
  --max-w: 1120px;
  --max-w-text: 680px;
  --nav-h: 72px;
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- RESET ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg);
  color: var(--text-body);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 2px solid var(--teal-500); outline-offset: 2px; border-radius: 2px; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
button { font-family: inherit; }

/* ---------- SKIP LINK ---------- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--sp-4);
  padding: var(--sp-2) var(--sp-4);
  background: var(--navy-900);
  color: #fff;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 600;
  z-index: 200;
  transition: top 0.2s;
}
.skip-link:focus { top: var(--sp-2); }

/* ---------- CONTAINER ---------- */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--sp-6);
}

/* ---------- TYPOGRAPHY ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.25rem, 4.5vw, 3.25rem); font-weight: 700; }
h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 600; }

em {
  font-style: normal;
  color: var(--teal-600);
}

strong { font-weight: 600; color: var(--text-primary); }

/* ---------- SECTION SCAFFOLDING ---------- */
.section {
  padding: var(--sp-24) 0;
}
.section-alt {
  background: var(--bg-alt);
}
.section-header {
  max-width: var(--max-w-text);
  margin-bottom: var(--sp-16);
}
.section-label {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--teal-600);
  margin-bottom: var(--sp-3);
}
.section-title {
  margin-bottom: var(--sp-4);
}
.section-sub {
  font-size: 1.0625rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 560px;
}

/* Center certain section headers */
#how-it-works .section-header,
#ecosystem .section-header,
#partners .section-header,
#apply .section-header {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}
#how-it-works .section-sub,
#ecosystem .section-sub,
#partners .section-sub,
#apply .section-sub {
  margin-left: auto;
  margin-right: auto;
}

/* =============================================
   NAV
   ============================================= */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: box-shadow 0.3s var(--ease-in-out);
}
#navbar.scrolled {
  box-shadow: 0 1px 0 var(--border);
}

.nav-inner {
  max-width: calc(var(--max-w) + 48px);
  margin: 0 auto;
  padding: 0 var(--sp-6);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-6);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
  transition: opacity 0.2s;
}
.nav-logo:hover { opacity: 0.8; }
.logo-icon { color: var(--teal-600); flex-shrink: 0; }
.logo-text { letter-spacing: -0.01em; }
.logo-text strong { font-weight: 700; }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--sp-8);
}
.nav-links a {
  font-size: 0.9375rem;
  color: var(--text-muted);
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text-primary); }

.nav-cta {
  padding: 10px 22px;
  border-radius: var(--radius);
  background: var(--navy-900) !important;
  color: #fff !important;
  font-weight: 600 !important;
  font-size: 0.875rem !important;
  transition: background 0.2s, transform 0.15s !important;
}
.nav-cta:hover {
  background: var(--navy-700) !important;
  transform: translateY(-1px);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--sp-1);
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  z-index: 99;
  flex-direction: column;
  padding: var(--sp-5) var(--sp-6) var(--sp-8);
  gap: 0;
  box-shadow: var(--shadow-lg);
}
.mobile-menu.open {
  display: flex;
}
.mob-link {
  padding: var(--sp-4) 0;
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--text-body);
  border-bottom: 1px solid var(--border-light);
  transition: color 0.2s;
}
.mob-link:last-child { border-bottom: none; }
.mob-link:hover { color: var(--text-primary); }
.mob-link.cta {
  color: var(--teal-600);
  font-weight: 600;
}

/* =============================================
   HERO
   ============================================= */
.hero-section {
  padding-top: calc(var(--nav-h) + var(--sp-16));
  padding-bottom: var(--sp-24);
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, var(--teal-50) 0%, transparent 70%),
    var(--bg);
}

.hero {
  display: flex;
  align-items: center;
  gap: var(--sp-16);
}

.hero-content {
  flex: 1 1 55%;
  min-width: 0;
}

.hero-headline {
  margin-bottom: var(--sp-6);
  color: var(--text-primary);
}

.hero-sub {
  font-size: 1.125rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: var(--sp-10);
  max-width: 520px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  margin-bottom: var(--sp-12);
  flex-wrap: wrap;
}

/* Hero Stats */
.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
}
.stat {
  text-align: center;
  padding: 0 var(--sp-8);
}
.stat:first-child { padding-left: 0; text-align: left; }
.stat-val {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.stat-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 2px;
}
.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
  flex-shrink: 0;
}

/* Hero Visual */
.hero-visual {
  flex: 0 0 360px;
  display: flex;
  justify-content: center;
  align-items: flex-start;
}
.hero-img {
  width: 100%;
  max-width: 360px;
  border-radius: var(--radius-xl);
  object-fit: cover;
}


/* =============================================
   VALUES BAR
   ============================================= */
.values-bar {
  padding: var(--sp-5) 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-alt);
}
.values-bar-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-6);
  flex-wrap: wrap;
}
.value-item {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.value-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--teal-500);
  flex-shrink: 0;
}

/* =============================================
   BUTTONS
   ============================================= */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: 13px 28px;
  border-radius: var(--radius);
  background: var(--navy-900);
  color: #fff;
  font-weight: 600;
  font-size: 0.9375rem;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
}
.btn-primary:hover {
  background: var(--navy-700);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-primary:active { transform: translateY(0); box-shadow: none; }
.btn-primary:focus-visible { outline: 2px solid var(--teal-500); outline-offset: 2px; }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: 13px 28px;
  border-radius: var(--radius);
  background: transparent;
  color: var(--text-body);
  font-weight: 500;
  font-size: 0.9375rem;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}
.btn-secondary:hover {
  background: var(--warm-100);
  border-color: var(--warm-300);
  color: var(--text-primary);
}
.btn-secondary:focus-visible { outline: 2px solid var(--teal-500); outline-offset: 2px; }

/* =============================================
   STEPS (How It Works)
   ============================================= */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-5);
  counter-reset: step;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--sp-8) var(--sp-6);
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
  /* Reveal animation defaults */
  opacity: 0;
  transform: translateY(16px);
}
.step-card.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out), border-color 0.3s, box-shadow 0.3s;
}
.step-card:hover {
  border-color: var(--teal-400);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--teal-50);
  color: var(--teal-600);
  font-weight: 700;
  font-size: 0.875rem;
  margin-bottom: var(--sp-5);
  border: 1px solid var(--teal-100);
}

.step-card h3 {
  margin-bottom: var(--sp-3);
  font-family: var(--font-heading);
}

.step-card p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* =============================================
   AUDIENCE (Who It's For)
   ============================================= */
.audience-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-6);
}

.audience-card {
  border-radius: var(--radius-xl);
  padding: var(--sp-10) var(--sp-8);
  background: var(--bg-card);
  border: 1px solid var(--border);
  /* Reveal */
  opacity: 0;
  transform: translateY(16px);
}
.audience-card.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}

.audience-founders {
  border-left: 3px solid var(--teal-500);
}
.audience-investors {
  border-left: 3px solid var(--navy-700);
}

.audience-eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal-600);
  margin-bottom: var(--sp-5);
}
.audience-investors .audience-eyebrow { color: var(--navy-600); }

.audience-card h3 {
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--sp-6);
  color: var(--text-primary);
}

.audience-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  margin-bottom: var(--sp-8);
}
.audience-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  font-size: 0.9375rem;
  color: var(--text-body);
  line-height: 1.5;
}
.audience-list li::before {
  content: '';
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal-500);
  margin-top: 8px;
}
.audience-investors .audience-list li::before {
  background: var(--navy-600);
}

/* =============================================
   ECOSYSTEM ($SHARK)
   ============================================= */
.ecosystem-card {
  max-width: 880px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  /* Reveal */
  opacity: 0;
  transform: translateY(16px);
}
.ecosystem-card.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}

.ecosystem-card-inner {
  padding: var(--sp-10) var(--sp-10);
}

.ecosystem-top {
  display: flex;
  align-items: center;
  gap: var(--sp-5);
  margin-bottom: var(--sp-8);
  flex-wrap: wrap;
}
.ecosystem-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  background: var(--teal-50);
  border: 1px solid var(--teal-100);
  border-radius: var(--radius-lg);
}
.ecosystem-info h3 {
  font-size: 1.375rem;
  font-family: var(--font-heading);
  margin-bottom: 2px;
}
.ticker {
  color: var(--teal-600);
  font-weight: 700;
  font-size: 1rem;
}
.ecosystem-badge {
  margin-left: auto;
  padding: 6px 14px;
  border-radius: 20px;
  background: var(--teal-50);
  border: 1px solid var(--teal-100);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--teal-600);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.ecosystem-body {
  display: flex;
  gap: var(--sp-10);
  align-items: flex-start;
}
.ecosystem-details {
  flex: 1;
}
.ecosystem-details p {
  font-size: 1rem;
  color: var(--text-body);
  line-height: 1.7;
  margin-bottom: var(--sp-4);
}
.ecosystem-note {
  font-size: 0.875rem !important;
  color: var(--text-muted) !important;
  padding: var(--sp-4);
  background: var(--warm-50);
  border-left: 3px solid var(--teal-400);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.ecosystem-cta {
  flex: 0 0 280px;
  padding: var(--sp-6);
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}
.ecosystem-cta-hint {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.5;
}
.ecosystem-cta .btn-primary {
  width: 100%;
  text-align: center;
}

/* =============================================
   PARTNERS
   ============================================= */
.partners-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-6);
}

.partner-card {
  display: flex;
  gap: var(--sp-6);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--sp-8) var(--sp-6);
  transition: box-shadow 0.3s, transform 0.3s;
  /* Reveal */
  opacity: 0;
  transform: translateY(16px);
}
.partner-card.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out), box-shadow 0.3s, transform 0.3s;
}
.partner-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.partner-avatar { flex-shrink: 0; }
.partner-initials {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--warm-100);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: var(--navy-800);
}

.partner-name {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}
.partner-role {
  font-size: 0.75rem;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--sp-3);
}
.partner-bio {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: var(--sp-4);
}
.partner-tags {
  display: flex;
  gap: var(--sp-2);
  flex-wrap: wrap;
}
.partner-tags span {
  padding: 3px 10px;
  border-radius: 20px;
  background: var(--warm-100);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
}

/* =============================================
   MANIFESTO
   ============================================= */
.manifesto-section {
  background: var(--navy-900);
  color: #fff;
}
.manifesto-section .section-header { color: #fff; }

.manifesto-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-16);
  align-items: center;
}

.manifesto-quote p {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 2.8vw, 2.375rem);
  font-weight: 700;
  line-height: 1.25;
  color: #fff;
  margin-bottom: var(--sp-6);
}
.manifesto-attribution {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.45);
  letter-spacing: 0.03em;
  font-style: normal;
}

.manifesto-facts {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
}

.manifesto-fact {
  display: flex;
  align-items: baseline;
  gap: var(--sp-4);
  padding: var(--sp-5) var(--sp-6);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.04);
  transition: border-color 0.3s, background 0.3s, transform 0.3s;
  /* Reveal */
  opacity: 0;
  transform: translateY(12px);
}
.manifesto-fact.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out), border-color 0.3s, background 0.3s;
}
.manifesto-fact:hover {
  border-color: rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.06);
  transform: translateY(-2px);
}

.fact-num {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--teal-400);
  flex-shrink: 0;
  min-width: 52px;
}
.fact-desc {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.5;
}

/* =============================================
   APPLY / FORM
   ============================================= */
.apply-inner {
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.apply-form {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  text-align: left;
}
.form-group { width: 100%; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4);
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--sp-2);
}
.form-optional {
  font-weight: 400;
  color: var(--text-faint);
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 0.9375rem;
  font-family: var(--font-body);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-input::placeholder {
  color: var(--text-faint);
}
.form-input:focus {
  border-color: var(--teal-500);
  box-shadow: 0 0 0 3px var(--teal-50);
}
.form-input:invalid:not(:placeholder-shown) {
  border-color: var(--error);
}

.form-select {
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b7280' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
}

.form-submit {
  margin-top: var(--sp-2);
  width: 100%;
  padding: 14px;
}

.form-hint {
  font-size: 0.8125rem;
  color: var(--text-faint);
  text-align: center;
  margin-top: var(--sp-2);
}

.form-success {
  display: none;
  text-align: center;
  padding: var(--sp-10);
}
.form-success.visible { display: block; animation: fadeIn 0.5s var(--ease-out); }
.success-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--success-bg);
  border: 2px solid var(--success);
  color: var(--success);
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--sp-5);
}
.form-success p {
  font-size: 1.0625rem;
  color: var(--text-body);
  line-height: 1.6;
}

/* =============================================
   FOOTER
   ============================================= */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg);
  padding: var(--sp-10) 0 var(--sp-8);
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-8);
  flex-wrap: wrap;
  margin-bottom: var(--sp-8);
}

.footer-brand .nav-logo {
  font-size: 0.9375rem;
}

.footer-links {
  display: flex;
  gap: var(--sp-6);
}
.footer-links a {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--text-primary); }

.footer-socials {
  display: flex;
  gap: var(--sp-5);
}
.social-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--teal-600);
  transition: opacity 0.2s;
}
.social-link:hover { opacity: 0.7; }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--sp-6);
  border-top: 1px solid var(--border-light);
  flex-wrap: wrap;
  gap: var(--sp-4);
}
.footer-copy {
  font-size: 0.8125rem;
  color: var(--text-faint);
}
.footer-legal {
  display: flex;
  gap: var(--sp-5);
}
.footer-legal a {
  font-size: 0.8125rem;
  color: var(--text-faint);
  transition: color 0.2s;
}
.footer-legal a:hover { color: var(--text-body); }

/* =============================================
   ANIMATIONS
   ============================================= */
@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.75); }
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Reveal on scroll — generic class */
.reveal {
  opacity: 0;
  transform: translateY(16px);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .hero {
    flex-direction: column;
    text-align: center;
    gap: var(--sp-12);
  }
  .hero-content { max-width: 100%; }
  .hero-sub { margin-left: auto; margin-right: auto; }
  .hero-cta-group { justify-content: center; }
  .hero-stats { justify-content: center; }
  .stat:first-child { text-align: center; padding-left: var(--sp-8); }
  .hero-visual { flex: 0 0 auto; }

  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .manifesto-inner { grid-template-columns: 1fr; gap: var(--sp-10); }
  .partners-grid { grid-template-columns: 1fr; }
  .ecosystem-body { flex-direction: column; }
  .ecosystem-cta { flex: auto; }
}

@media (max-width: 768px) {
  :root {
    --sp-24: 64px;
    --sp-16: 48px;
  }

  .nav-links { display: none; }
  .hamburger { display: flex; }

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

  .hero-stats { flex-direction: column; gap: var(--sp-4); }
  .stat-divider { width: 48px; height: 1px; }
  .stat { padding: 0; }
  .stat:first-child { padding: 0; text-align: center; }

  .partner-card { flex-direction: column; gap: var(--sp-4); }
  .form-row { grid-template-columns: 1fr; }

  .values-bar-inner { gap: var(--sp-4); }
  .value-item { font-size: 0.75rem; }

  .footer-top { flex-direction: column; text-align: center; }
  .footer-links { flex-wrap: wrap; justify-content: center; }
  .footer-socials { justify-content: center; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-legal { justify-content: center; }

  .ecosystem-card-inner { padding: var(--sp-6); }
}

@media (max-width: 480px) {
  .hero-section {
    padding-top: calc(var(--nav-h) + var(--sp-10));
  }
  .pitch-card { width: 100%; max-width: 340px; }
  .section-title { font-size: 1.625rem; }
  .audience-card { padding: var(--sp-6); }
}

/* =============================================
   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; }
  .reveal, .step-card, .audience-card, .ecosystem-card, .partner-card, .manifesto-fact {
    opacity: 1;
    transform: none;
  }
}