/* ==========================================================================
   VAARADI — COMING-SOON WEBSITE STYLESHEET
   Brand Slogan: Bridge Between People and Platform
   ========================================================================== */

:root {
  /* Core Palette: Deep Midnight Navy + Electric Blue & Cyan Accents */
  --bg-deep: #050914;
  --bg-surface: #081022;
  --bg-card: rgba(11, 21, 44, 0.76);
  --bg-card-elevated: rgba(14, 27, 56, 0.88);
  --bg-header: rgba(5, 9, 20, 0.82);

  --text-primary: #F8FAFC;
  --text-secondary: #CBD5E1;
  --text-muted: #94A3B8;
  --text-subtle: #64748B;

  --accent-cyan: #22D3EE;
  --accent-cyan-deep: #06B6D4;
  --accent-sky: #38BDF8;
  --accent-blue: #3B82F6;
  --accent-blue-deep: #2563EB;

  --border-subtle: rgba(148, 163, 184, 0.14);
  --border-accent: rgba(56, 189, 248, 0.32);
  --border-strong: rgba(34, 211, 238, 0.52);

  --focus-ring: #22D3EE;
  --success-bg: rgba(16, 185, 129, 0.12);
  --success-border: rgba(52, 211, 153, 0.4);
  --success-text: #A7F3D0;
  --error-bg: rgba(239, 68, 68, 0.12);
  --error-border: rgba(248, 113, 113, 0.45);
  --error-text: #FECACA;

  /* Typography */
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
    "Liberation Mono", monospace;

  /* Layout */
  --container-max: 1200px;
  --header-height: 76px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 9999px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   RESET & BASE
   ========================================================================== */

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

html {
  font-family: var(--font-sans);
  background-color: var(--bg-deep);
  color: var(--text-primary);
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

body {
  min-height: 100vh;
  background-color: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: clip;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

button,
input {
  font: inherit;
  color: inherit;
}

[hidden] {
  display: none !important;
}

/* Screen-reader only utility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Accessible focus indicator */
:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 3px;
}

/* Skip to main content link */
.skip-link {
  position: fixed;
  top: -100px;
  left: 16px;
  z-index: 1000;
  background: var(--accent-cyan);
  color: #04101E;
  font-weight: 700;
  font-size: 0.875rem;
  padding: 0.65rem 1.1rem;
  border-radius: var(--radius-sm);
  transition: top 0.2s var(--ease-out);
}

.skip-link:focus {
  top: 16px;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.25rem);
}

/* ==========================================================================
   AMBIENT ATMOSPHERIC BACKDROP
   ========================================================================== */

.ambient-backdrop {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.ambient-aurora {
  position: absolute;
  border-radius: 50%;
  filter: blur(110px);
  opacity: 0.45;
}

.ambient-aurora--primary {
  top: -14%;
  left: -8%;
  width: min(640px, 85vw);
  height: min(640px, 85vw);
  background: radial-gradient(
    circle,
    rgba(6, 182, 212, 0.26) 0%,
    rgba(37, 99, 235, 0.14) 55%,
    transparent 75%
  );
}

.ambient-aurora--secondary {
  bottom: -18%;
  right: -10%;
  width: min(700px, 90vw);
  height: min(700px, 90vw);
  background: radial-gradient(
    circle,
    rgba(37, 99, 235, 0.24) 0%,
    rgba(34, 211, 238, 0.1) 50%,
    transparent 75%
  );
}

.ambient-grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(
      to right,
      rgba(148, 163, 184, 0.04) 1px,
      transparent 1px
    ),
    linear-gradient(to bottom, rgba(148, 163, 184, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(
    ellipse 80% 65% at 50% 25%,
    #000 35%,
    transparent 100%
  );
  -webkit-mask-image: radial-gradient(
    ellipse 80% 65% at 50% 25%,
    #000 35%,
    transparent 100%
  );
}

/* ==========================================================================
   A. HEADER
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg-header);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
}

.header-inner {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.brand-identity {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  border-radius: var(--radius-sm);
  transition: transform 0.2s var(--ease-out);
}

.brand-identity:hover {
  transform: translateY(-1px);
}

.brand-logo {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
}

.brand-text-group {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-wordmark {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.brand-tagline-mini {
  font-size: 0.68rem;
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.header-nav {
  display: none;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 0.35rem 0.5rem;
  border-radius: 6px;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.nav-link:hover {
  color: var(--accent-cyan);
  background-color: rgba(34, 211, 238, 0.06);
}

.header-status-group {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.coming-soon-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-pill);
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.32);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  color: var(--accent-cyan);
  white-space: nowrap;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan);
  animation: statusPulse 2.4s infinite ease-in-out;
}

.mobile-menu-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  background: rgba(15, 23, 42, 0.65);
  cursor: pointer;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.mobile-menu-toggle:hover {
  border-color: var(--border-accent);
  background: rgba(30, 41, 59, 0.75);
}

.hamburger-bar {
  width: 16px;
  height: 1.8px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.2s ease;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-bar:first-child {
  transform: translateY(3.4px) rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-bar:last-child {
  transform: translateY(-3.4px) rotate(-45deg);
}

.mobile-nav-drawer {
  border-top: 1px solid var(--border-subtle);
  background: rgba(5, 9, 20, 0.96);
  padding-block: 0.85rem;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.mobile-nav-link {
  padding: 0.65rem 0.75rem;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.mobile-nav-link:hover {
  background-color: rgba(34, 211, 238, 0.08);
  color: var(--accent-cyan);
}

/* ==========================================================================
   B. HERO SECTION
   ========================================================================== */

main {
  position: relative;
  z-index: 1;
}

.hero-section {
  padding-top: clamp(2.75rem, 6vw, 5.25rem);
  padding-bottom: clamp(3.5rem, 7vw, 6rem);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2.5rem, 5vw, 4rem);
  align-items: center;
}

.hero-eyebrow-row {
  display: inline-flex;
   flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  padding: 0.35rem 0.85rem 0.35rem 0.45rem;
  border-radius: var(--radius-pill);
  background: rgba(15, 23, 42, 0.78);
  border: 1px solid var(--border-accent);
  margin-bottom: 1.5rem;
}

.hero-brand-pill {
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, var(--accent-blue-deep), var(--accent-cyan-deep));
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: #FFFFFF;
}

.hero-divider-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background-color: var(--accent-cyan);
}

.hero-eyebrow-sub {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
}

.hero-headline {
  font-size: clamp(2.35rem, 5.4vw, 4.35rem);
  font-weight: 800;
  line-height: 1.07;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.text-gradient {
  background: linear-gradient(135deg, #38BDF8 0%, #22D3EE 45%, #60A5FA 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-slogan {
  font-size: clamp(1.15rem, 2.2vw, 1.5rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--accent-cyan);
  margin-bottom: 1.25rem;
}

.hero-description {
  font-size: clamp(1.02rem, 1.35vw, 1.15rem);
  color: var(--text-secondary);
  max-width: 58ch;
  margin-bottom: 0.95rem;
}

.hero-supporting-copy {
  font-size: 0.95rem;
  color: var(--text-muted);
  max-width: 58ch;
  margin-bottom: 2rem;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.9rem;
  margin-bottom: 2.25rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out),
    background-color 0.2s ease, border-color 0.2s ease;
  user-select: none;
}

.btn:active:not(:disabled) {
  transform: translateY(1px);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-blue-deep) 0%, var(--accent-cyan-deep) 100%);
  color: #FFFFFF;
  border-color: rgba(56, 189, 248, 0.4);
  box-shadow: 0 10px 28px -8px rgba(6, 182, 212, 0.45);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 14px 34px -6px rgba(34, 211, 238, 0.58);
  border-color: rgba(125, 211, 252, 0.7);
}

.btn-icon {
  transition: transform 0.2s var(--ease-out);
}

.btn-primary:hover .btn-icon {
  transform: translateX(3px);
}

.btn-secondary {
  background: rgba(15, 23, 42, 0.72);
  color: var(--text-primary);
  border-color: var(--border-accent);
}

.btn-secondary:hover:not(:disabled) {
  transform: translateY(-2px);
  background: rgba(30, 41, 59, 0.82);
  border-color: var(--border-strong);
}

.btn-sub-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.18rem 0.5rem;
  border-radius: var(--radius-pill);
  background: rgba(34, 211, 238, 0.14);
  color: var(--accent-cyan);
}

.hero-pillars-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 1.15rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-subtle);
}

.mini-pillar {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--text-muted);
}

.mini-pillar-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

.mini-pillar-dot--cyan {
  background-color: var(--accent-cyan);
}

.mini-pillar-dot--sky {
  background-color: var(--accent-sky);
}

.mini-pillar-dot--blue {
  background-color: var(--accent-blue);
}

/* Right Column: Bridge Visual Centerpiece */
.hero-visual {
  width: 100%;
}

.bridge-card {
  position: relative;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-accent);
  padding: clamp(1rem, 2.5vw, 1.6rem);
  box-shadow: 0 28px 80px -24px rgba(6, 182, 212, 0.24);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  overflow: hidden;
}

.bridge-card-glow {
  position: absolute;
  inset: -25%;
  background: radial-gradient(
    circle at 50% 45%,
    rgba(34, 211, 238, 0.12),
    transparent 65%
  );
  pointer-events: none;
}

.bridge-card-header {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding-bottom: 0.85rem;
  margin-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-subtle);
}

.bridge-card-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.bridge-live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan);
}

.bridge-card-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
}

.bridge-card-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.12);
  border: 1px solid rgba(34, 211, 238, 0.26);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-pill);
}

.bridge-svg-wrapper {
  position: relative;
  width: 100%;
}

.bridge-illustration-svg {
  width: 100%;
  height: auto;
}

.bridge-card-footer {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
  padding-top: 0.9rem;
  margin-top: 0.75rem;
  border-top: 1px solid var(--border-subtle);
}

.bridge-metric-cell {
  background: rgba(15, 23, 42, 0.65);
  border: 1px solid rgba(148, 163, 184, 0.1);
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.7rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.bridge-metric-step {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  color: var(--accent-cyan);
}

.bridge-metric-name {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* ==========================================================================
   C. BRAND VISION SECTION
   ========================================================================== */

.vision-section {
  padding-block: clamp(3.5rem, 7vw, 6rem);
  border-top: 1px solid var(--border-subtle);
}

.vision-header {
  max-width: 720px;
  margin-inline: auto;
  text-align: center;
  margin-bottom: clamp(2.25rem, 4.5vw, 3.5rem);
}

.section-eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 0.75rem;
}

.vision-headline {
  font-size: clamp(1.85rem, 3.6vw, 2.75rem);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.vision-supporting {
  font-size: clamp(1rem, 1.3vw, 1.15rem);
  color: var(--text-secondary);
}

.vision-cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.35rem;
}

.vision-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: transform 0.25s var(--ease-out), border-color 0.25s ease,
    box-shadow 0.25s ease;
}

.vision-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-accent);
  box-shadow: 0 18px 42px -18px rgba(6, 182, 212, 0.2);
}

.vision-card-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.26);
  margin-bottom: 1.15rem;
}

.vision-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.55rem;
}

.vision-card-body {
  font-size: 0.94rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ==========================================================================
   D. LAUNCH TEASER SECTION
   ========================================================================== */

.teaser-section {
  padding-block: clamp(2.5rem, 5vw, 4.5rem);
}

.teaser-banner {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: linear-gradient(
    145deg,
    rgba(13, 25, 54, 0.92) 0%,
    rgba(7, 13, 28, 0.96) 100%
  );
  border: 1px solid var(--border-accent);
  padding: clamp(2rem, 5vw, 3.75rem) clamp(1.35rem, 4vw, 3.5rem);
  text-align: center;
  box-shadow: 0 24px 64px -20px rgba(37, 99, 235, 0.28);
}

.teaser-ambient-line {
  position: absolute;
  top: 0;
  left: 12%;
  right: 12%;
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--accent-cyan),
    var(--accent-blue),
    transparent
  );
}

.teaser-badge-row {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-pill);
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.28);
  margin-bottom: 1.35rem;
}

.teaser-pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan);
}

.teaser-kicker {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent-cyan);
}

.teaser-headline {
  font-size: clamp(1.5rem, 3.2vw, 2.45rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 0.01em;
  max-width: 28ch;
  margin-inline: auto;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.teaser-supporting {
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  font-weight: 500;
  color: var(--accent-sky);
  margin-bottom: 1.5rem;
}

.teaser-divider {
  width: 72px;
  height: 2px;
  margin-inline: auto;
  margin-bottom: 1.25rem;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue));
  border-radius: 2px;
}

.teaser-subnote {
  font-size: 0.92rem;
  color: var(--text-muted);
  max-width: 54ch;
  margin-inline: auto;
}

/* ==========================================================================
   E. EARLY-ACCESS / STAY-TUNED SECTION
   ========================================================================== */

.early-access-section {
  padding-top: clamp(2rem, 4vw, 3.5rem);
  padding-bottom: clamp(4rem, 8vw, 6.5rem);
}

.early-access-card {
  max-width: 720px;
  margin-inline: auto;
  border-radius: var(--radius-lg);
  background: var(--bg-card-elevated);
  border: 1px solid var(--border-subtle);
  padding: clamp(1.75rem, 4vw, 2.85rem);
  text-align: center;
}

.early-access-headline {
  font-size: clamp(1.55rem, 2.8vw, 2.1rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.early-access-description {
  font-size: 0.98rem;
  color: var(--text-secondary);
  max-width: 54ch;
  margin-inline: auto;
  margin-bottom: 1.75rem;
}

.stay-tuned-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.85rem;
}

.action-buttons-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.85rem;
}

.share-feedback {
  min-height: 1.4rem;
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--accent-cyan);
}

/* Configurable Early Access Form */
.early-access-form {
  max-width: 520px;
  margin-inline: auto;
  text-align: left;
}

.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-input-row {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 0.9rem;
}

.form-field-group {
  flex: 1;
}

.form-input {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  background: rgba(5, 9, 20, 0.85);
  border: 1px solid var(--border-accent);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-input::placeholder {
  color: var(--text-subtle);
}

.form-input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.18);
  outline: none;
}

.form-input[aria-invalid="true"] {
  border-color: #F87171;
}

.form-submit-btn {
  white-space: nowrap;
}

.form-consent-row {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  margin-bottom: 0.75rem;
}

.form-checkbox {
  margin-top: 0.25rem;
  width: 17px;
  height: 17px;
  accent-color: var(--accent-cyan);
  cursor: pointer;
  flex-shrink: 0;
}

.form-consent-label {
  font-size: 0.84rem;
  color: var(--text-secondary);
  cursor: pointer;
}

.form-privacy-note {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.inline-link {
  color: var(--accent-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  margin-left: 0.3rem;
}

.form-status-message {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  margin-top: 0.75rem;
}

.form-status-message--success {
  background: var(--success-bg);
  border: 1px solid var(--success-border);
  color: var(--success-text);
}

.form-status-message--error {
  background: var(--error-bg);
  border: 1px solid var(--error-border);
  color: var(--error-text);
}

/* ==========================================================================
   F. FOOTER
   ========================================================================== */

.site-footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border-subtle);
  background: rgba(4, 8, 18, 0.9);
  padding-block: 2.5rem;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1.5rem;
}

.footer-brand-col {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.footer-brand-link {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}

.footer-wordmark {
  font-size: 1.08rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.footer-slogan {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.footer-meta-col {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-legal-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.footer-link {
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: color 0.2s ease;
}

.footer-link:hover {
  color: var(--accent-cyan);
}

.footer-copyright {
  font-size: 0.84rem;
  color: var(--text-subtle);
}

/* ==========================================================================
   ANIMATIONS & REDUCED MOTION
   ========================================================================== */

@keyframes statusPulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.45;
    transform: scale(0.88);
  }
}

@keyframes bridgeSignalFlow {
  0% {
    stroke-dashoffset: 238;
  }
  100% {
    stroke-dashoffset: 0;
  }
}

@keyframes bridgeSignalFlowReverse {
  0% {
    stroke-dashoffset: 0;
  }
  100% {
    stroke-dashoffset: 214;
  }
}

.bridge-signal-path {
  animation: bridgeSignalFlow 5.5s linear infinite;
}

.bridge-signal-path-reverse {
  animation: bridgeSignalFlowReverse 6.5s linear infinite;
}

/* Scroll reveal transitions (progressive enhancement when JS is active) */
.js-enabled .reveal-on-scroll {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.65s var(--ease-out), transform 0.65s var(--ease-out);
}

.js-enabled .reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Respect prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .js-enabled .reveal-on-scroll {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS
   ========================================================================== */

/* Small mobile adjustments (320px+) */
@media (max-width: 420px) {
  .brand-tagline-mini {
    display: none;
  }

  .bridge-card-footer {
    grid-template-columns: 1fr;
  }

  .hero-cta-group .btn {
    width: 100%;
  }
}

/* Tablet and up (640px+) */
@media (min-width: 640px) {
  .form-input-row {
    flex-direction: row;
  }

  .footer-inner {
    flex-direction: row;
    align-items: center;
  }

  .footer-meta-col {
    align-items: flex-end;
    text-align: right;
  }
}

/* Medium screens / Tablet Landscape (768px+) */
@media (min-width: 768px) {
  .header-nav {
    display: flex;
  }

  .mobile-menu-toggle,
  .mobile-nav-drawer {
    display: none !important;
  }

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

/* Desktop (1024px+) */
@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
  }
}