/* ============================================================
   Robotics Alliance — Design System & Global Styles
   alliance.roboticscenter.ai
   ============================================================ */

/* --- Reset & Custom Properties -------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-bg:            #080d18;
  --color-bg-elevated:   #0d1424;
  --color-bg-card:       #111827;
  --color-bg-card-hover: #162036;
  --color-accent:        #f59e0b;
  --color-accent-dim:    rgba(245, 158, 11, 0.10);
  --color-accent-glow:   rgba(245, 158, 11, 0.25);
  --color-accent-2:      #38bdf8;
  --color-text:          #f1f5f9;
  --color-text-muted:    #94a3b8;
  --color-text-dim:      #64748b;
  --color-border:        #1e293b;
  --color-border-glow:   rgba(245, 158, 11, 0.20);

  --font-display: 'Inter', system-ui, sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;

  --radius:    8px;
  --radius-xl: 16px;
  --radius-2xl:24px;

  --transition: 0.22s ease;
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 32px rgba(245, 158, 11, 0.15);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

img { display: block; max-width: 100%; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* --- Typography ----------------------------------------------- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.4rem, 5.5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }
h4 { font-size: 1.05rem; }

p { color: var(--color-text-muted); }

.text-accent   { color: var(--color-accent); }
.text-accent-2 { color: var(--color-accent-2); }
.text-muted    { color: var(--color-text-muted); }
.text-center   { text-align: center; }

/* --- Layout --------------------------------------------------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
}

.section-header {
  max-width: 640px;
  margin-bottom: 64px;
}

.section-header.centered {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-header.centered .section-label {
  justify-content: center;
}

.section-header.centered .section-label::before {
  display: none;
}

.section-header h2 { margin-bottom: 16px; }
.section-header p  { font-size: 1.1rem; }

/* --- Buttons -------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
  text-decoration: none;
}

.btn-primary {
  background: var(--color-accent);
  color: #080d18;
  border-color: var(--color-accent);
}

.btn-primary:hover {
  background: #fbbf24;
  border-color: #fbbf24;
  box-shadow: 0 0 24px rgba(245, 158, 11, 0.4);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.btn-secondary:hover {
  background: var(--color-accent-dim);
  box-shadow: 0 0 20px rgba(245, 158, 11, 0.2);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border-color: var(--color-border);
}

.btn-ghost:hover {
  background: var(--color-bg-card);
  color: var(--color-text);
  border-color: var(--color-border-glow);
}

.btn-lg {
  padding: 15px 32px;
  font-size: 1rem;
  border-radius: var(--radius-xl);
}

/* --- Badge ---------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.badge-gold {
  background: rgba(245, 158, 11, 0.12);
  color: var(--color-accent);
  border: 1px solid rgba(245, 158, 11, 0.30);
}

.badge-blue {
  background: rgba(56, 189, 248, 0.10);
  color: var(--color-accent-2);
  border: 1px solid rgba(56, 189, 248, 0.25);
}

.badge-green {
  background: rgba(52, 211, 153, 0.10);
  color: #34d399;
  border: 1px solid rgba(52, 211, 153, 0.25);
}

.badge-popular {
  background: var(--color-accent);
  color: #080d18;
  font-size: 0.65rem;
  padding: 3px 10px;
  border: none;
}

/* --- Card ----------------------------------------------------- */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 32px;
  transition: all var(--transition);
}

.card:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-border-glow);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  background: var(--color-accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--color-accent);
  margin-bottom: 20px;
  flex-shrink: 0;
}

.card-icon.blue {
  background: rgba(56, 189, 248, 0.10);
  color: var(--color-accent-2);
}

.card h3 { margin-bottom: 10px; color: var(--color-text); }
.card p  { font-size: 0.95rem; line-height: 1.7; }

/* --- Site Header / Nav --------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(8, 13, 24, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition);
}

.site-header.scrolled {
  background: rgba(8, 13, 24, 0.97);
  border-bottom-color: rgba(245, 158, 11, 0.12);
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.4);
  padding: 0;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo-icon {
  width: 36px;
  height: 36px;
  background: var(--color-accent);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #080d18;
  font-size: 1rem;
}

.nav-logo span {
  color: var(--color-accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  padding: 8px 14px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: all var(--transition);
}

.nav-links a:hover {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.06);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  border: none;
  background: transparent;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text-muted);
  border-radius: 2px;
  transition: all var(--transition);
}

.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Menu */
.nav-mobile {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: var(--color-bg-elevated);
  border-bottom: 1px solid var(--color-border);
  padding: 16px 24px 24px;
  z-index: 999;
  flex-direction: column;
  gap: 4px;
}

.nav-mobile.open { display: flex; }

.nav-mobile a {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: all var(--transition);
  border: 1px solid transparent;
}

.nav-mobile a:hover {
  color: var(--color-text);
  background: var(--color-bg-card);
  border-color: var(--color-border);
}

.nav-mobile .btn {
  margin-top: 8px;
  justify-content: center;
}

/* --- Hero ----------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  overflow: hidden;
}

/* Noise texture overlay */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(245, 158, 11, 0.12) 0%, transparent 70%),
    radial-gradient(ellipse 60% 40% at 80% 80%, rgba(56, 189, 248, 0.06) 0%, transparent 60%),
    url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
}

/* Subtle grid lines */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(245, 158, 11, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 158, 11, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-badge {
  margin-bottom: 28px;
}

.hero h1 {
  margin-bottom: 24px;
  background: linear-gradient(135deg, #f1f5f9 0%, #f59e0b 60%, #fbbf24 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--color-text-muted);
  max-width: 620px;
  margin: 0 auto 40px;
  line-height: 1.75;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 72px;
}

/* Trust stat bar */
.trust-bar {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: rgba(13, 20, 36, 0.8);
  backdrop-filter: blur(10px);
  overflow: hidden;
  max-width: 760px;
  width: 100%;
  margin: 0 auto;
}

.trust-stat {
  flex: 1 1 160px;
  padding: 20px 24px;
  text-align: center;
  border-right: 1px solid var(--color-border);
  position: relative;
}

.trust-stat:last-child { border-right: none; }

.trust-stat-value {
  display: block;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 4px;
  letter-spacing: -0.02em;
}

.trust-stat-label {
  font-size: 0.75rem;
  color: var(--color-text-dim);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* --- Why Section (3-col) ------------------------------------- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* --- Membership Tiers ---------------------------------------- */
.tier-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  align-items: start;
}

.tier-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 28px 24px;
  transition: all var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.tier-card:hover {
  background: var(--color-bg-card-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-3px);
}

.tier-card.featured {
  border-color: var(--color-accent);
  background: linear-gradient(160deg, rgba(245, 158, 11, 0.08) 0%, var(--color-bg-card) 50%);
  box-shadow: 0 0 40px rgba(245, 158, 11, 0.12);
}

.tier-card.featured:hover {
  box-shadow: 0 0 60px rgba(245, 158, 11, 0.22);
}

.tier-popular-label {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
}

.tier-name {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-dim);
  margin-bottom: 8px;
}

.tier-price {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 4px;
}

.tier-price span {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-dim);
  letter-spacing: 0;
}

.tier-tagline {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border);
  min-height: 52px;
}

.tier-audience {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 16px;
}

.tier-features {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
  flex: 1;
}

.tier-feature {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.45;
}

.tier-feature i {
  color: var(--color-accent);
  margin-top: 2px;
  flex-shrink: 0;
  font-size: 0.7rem;
}

.tier-feature.muted i { color: var(--color-text-dim); }
.tier-feature.muted { color: var(--color-text-dim); }

.tier-cta {
  width: 100%;
  justify-content: center;
  margin-top: auto;
  border-radius: var(--radius);
  padding: 11px 20px;
  font-size: 0.88rem;
}

/* --- Member Logo Grid ---------------------------------------- */
.member-logo-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}

.member-logo-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 24px 16px;
  text-align: center;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 100px;
  cursor: default;
}

.member-logo-card:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-border-glow);
  box-shadow: 0 0 20px rgba(245, 158, 11, 0.10);
  transform: translateY(-2px);
}

.member-logo-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius);
  background: var(--color-accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: 1rem;
}

.member-logo-card.research .member-logo-icon {
  background: rgba(56, 189, 248, 0.10);
  color: var(--color-accent-2);
}

.member-logo-name {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text-muted);
  line-height: 1.3;
}

/* --- Services ------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.service-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 28px 24px;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: 0;
}

.service-card:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-border-glow);
  box-shadow: var(--shadow-glow);
  transform: translateY(-3px);
}

.service-card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-xl);
  background: var(--color-accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--color-accent);
  margin-bottom: 20px;
}

.service-card h3 {
  color: var(--color-text);
  margin-bottom: 10px;
  font-size: 1.05rem;
}

.service-card p {
  font-size: 0.88rem;
  line-height: 1.7;
  margin-bottom: 20px;
  flex: 1;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-accent);
  transition: gap var(--transition);
  margin-top: auto;
}

.service-link:hover { gap: 10px; }

/* --- How It Works -------------------------------------------- */
.how-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  position: relative;
}

.how-grid::before {
  content: '';
  position: absolute;
  top: 38px;
  left: calc(16.666% + 16px);
  right: calc(16.666% + 16px);
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), rgba(245,158,11,0.2) 50%, var(--color-accent));
  z-index: 0;
}

.how-step {
  padding: 32px 24px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.how-step-number {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-bg-elevated);
  border: 2px solid var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-accent);
  margin: 0 auto 24px;
  position: relative;
  box-shadow: 0 0 24px rgba(245, 158, 11, 0.2);
}

.how-step-number::after {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1px solid rgba(245, 158, 11, 0.15);
}

.how-step h3 {
  color: var(--color-text);
  margin-bottom: 12px;
}

.how-step p {
  font-size: 0.92rem;
  line-height: 1.72;
  max-width: 280px;
  margin: 0 auto;
}

/* --- Events -------------------------------------------------- */
.events-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.event-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 28px 24px;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: 0;
}

.event-card:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-border-glow);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.event-date-block {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.event-calendar {
  width: 48px;
  height: 52px;
  background: var(--color-accent-dim);
  border: 1px solid var(--color-border-glow);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.event-calendar-month {
  font-size: 0.58rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
}

.event-calendar-day {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-text);
  line-height: 1;
}

.event-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.event-name {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.event-month-full {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.event-card h3 {
  color: var(--color-text);
  font-size: 1.05rem;
  margin-bottom: 12px;
}

.event-card p {
  font-size: 0.87rem;
  margin-bottom: 20px;
  flex: 1;
}

.event-details {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 20px;
}

.event-detail {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--color-text-dim);
}

.event-detail i {
  width: 14px;
  color: var(--color-accent);
  font-size: 0.75rem;
}

.event-badge { margin-top: auto; }

/* --- Join CTA ------------------------------------------------- */
.join-section {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.06) 0%, transparent 60%),
              var(--color-bg-elevated);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.join-inner {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-glow);
  border-radius: var(--radius-2xl);
  padding: 64px;
  box-shadow: 0 0 60px rgba(245, 158, 11, 0.08);
  text-align: center;
}

.join-inner h2 { margin-bottom: 12px; }
.join-inner > p { margin-bottom: 48px; font-size: 1.05rem; }

.join-paths {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 720px;
  margin: 0 auto;
}

.join-path {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 32px 28px;
  transition: all var(--transition);
  text-align: left;
}

.join-path:hover {
  border-color: var(--color-border-glow);
  background: rgba(245, 158, 11, 0.04);
}

.join-path-icon {
  width: 44px;
  height: 44px;
  background: var(--color-accent-dim);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: 1.1rem;
  margin-bottom: 16px;
}

.join-path h4 {
  color: var(--color-text);
  font-size: 1rem;
  margin-bottom: 8px;
}

.join-path p {
  font-size: 0.85rem;
  line-height: 1.65;
  margin-bottom: 20px;
}

.join-path .btn {
  width: 100%;
  justify-content: center;
  font-size: 0.88rem;
  padding: 11px 20px;
}

/* --- Footer -------------------------------------------------- */
.site-footer {
  background: var(--color-bg-elevated);
  border-top: 1px solid var(--color-border);
  padding: 72px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 56px;
}

.footer-brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 16px;
  text-decoration: none;
}

.footer-brand-logo-icon {
  width: 32px;
  height: 32px;
  background: var(--color-accent);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #080d18;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.footer-address {
  font-size: 0.8rem;
  color: var(--color-text-dim);
  line-height: 1.7;
}

.footer-address a {
  color: var(--color-accent);
  transition: color var(--transition);
}
.footer-address a:hover { color: #fbbf24; }

.footer-col h5 {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-dim);
  margin-bottom: 20px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  transition: color var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer-links a:hover { color: var(--color-text); }

.footer-links a.coming-soon {
  pointer-events: none;
  opacity: 0.45;
}

.footer-links a.coming-soon::after {
  content: 'soon';
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--color-text-dim);
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-bottom-text {
  font-size: 0.8rem;
  color: var(--color-text-dim);
}

.footer-bottom-text a {
  color: var(--color-text-muted);
  transition: color var(--transition);
}
.footer-bottom-text a:hover { color: var(--color-accent); }

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  width: 34px;
  height: 34px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-dim);
  font-size: 0.8rem;
  transition: all var(--transition);
}

.footer-social a:hover {
  border-color: var(--color-border-glow);
  color: var(--color-accent);
  background: var(--color-accent-dim);
}

/* --- Divider -------------------------------------------------- */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
  border: none;
  margin: 0;
}

/* --- Highlight Band ------------------------------------------ */
.highlight-band {
  background: var(--color-bg-elevated);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 1080px) {
  .tier-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .member-logo-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }

  .nav-links,
  .nav-actions .btn { display: none; }

  .nav-hamburger { display: flex; }

  .why-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .tier-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .member-logo-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

  .how-grid::before { display: none; }

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

  .join-paths {
    grid-template-columns: 1fr;
  }

  .join-inner {
    padding: 40px 24px;
  }

  .trust-bar {
    flex-direction: column;
    max-width: 320px;
  }

  .trust-stat {
    border-right: none;
    border-bottom: 1px solid var(--color-border);
    padding: 16px 20px;
  }

  .trust-stat:last-child { border-bottom: none; }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  h1 { font-size: 2.2rem; }
}

@media (max-width: 480px) {
  .hero-ctas { flex-direction: column; align-items: center; }
  .member-logo-grid { grid-template-columns: repeat(2, 1fr); }
  .tier-grid { max-width: 100%; }
}