/* ============================================================
   ZeroTrace Security — Global Stylesheet
   Design System: Dark Navy / Electric Blue / Government-Grade
   ============================================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Oswald:wght@400;500;600;700&display=swap');

/* --- CSS Custom Properties --- */
:root {
  --color-bg-deep:      #04060f;
  --color-bg-dark:      #070d1a;
  --color-bg-card:      #0b1428;
  --color-bg-card-alt:  #0e1a32;
  --color-border:       rgba(59, 130, 246, 0.15);
  --color-border-hover: rgba(59, 130, 246, 0.45);

  --color-blue-primary: #3b82f6;
  --color-blue-bright:  #60a5fa;
  --color-blue-glow:    rgba(59, 130, 246, 0.25);
  --color-blue-dark:    #1d4ed8;
  --color-accent-line:  #2563eb;

  --color-text-primary:   #f0f4ff;
  --color-text-secondary: #94a3b8;
  --color-text-muted:     #64748b;
  --color-white:          #ffffff;

  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-family-display: 'Oswald', 'Inter', sans-serif;
  --font-size-xs:   0.75rem;
  --font-size-sm:   0.875rem;
  --font-size-base: 1rem;
  --font-size-lg:   1.125rem;
  --font-size-xl:   1.25rem;
  --font-size-2xl:  1.5rem;
  --font-size-3xl:  1.875rem;
  --font-size-4xl:  2.25rem;
  --font-size-5xl:  3rem;
  --font-size-6xl:  3.75rem;

  --spacing-xs:  0.5rem;
  --spacing-sm:  1rem;
  --spacing-md:  1.5rem;
  --spacing-lg:  2rem;
  --spacing-xl:  3rem;
  --spacing-2xl: 5rem;
  --spacing-3xl: 8rem;

  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  12px;
  --radius-xl:  16px;

  --transition-fast:   150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow:   400ms ease;

  --nav-height: 100px;
  --max-width:  1200px;
}

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

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

body {
  font-family: var(--font-family);
  background-color: var(--color-bg-deep);
  color: var(--color-text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: var(--color-blue-bright);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-white);
}

ul {
  list-style: none;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, var(--font-size-6xl)); }
h2 { font-size: clamp(1.75rem, 3.5vw, var(--font-size-4xl)); }
h3 { font-size: clamp(1.25rem, 2.5vw, var(--font-size-2xl)); }
h4 { font-size: var(--font-size-xl); }

p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
  line-height: 1.8;
}

/* --- Layout Utilities --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.section {
  padding: var(--spacing-3xl) 0;
}

.section--tight {
  padding: var(--spacing-2xl) 0;
}

.section-label {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-blue-primary);
  margin-bottom: var(--spacing-sm);
}

.section-title {
  margin-bottom: var(--spacing-md);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 640px;
  margin-bottom: var(--spacing-xl);
}

.text-center {
  text-align: center;
}

.text-center .section-subtitle {
  margin-left: auto;
  margin-right: auto;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  background: #000c28;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(59, 130, 246, 0.15);
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.nav.scrolled {
  border-bottom-color: rgba(59, 130, 246, 0.3);
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.5);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}



.nav__logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.nav__logo img {
  height: 88px;
  width: auto;
  object-fit: contain;
  border-radius: 6px;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.nav__link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-blue-primary);
  transition: width var(--transition-normal);
}

.nav__link:hover,
.nav__link.active {
  color: var(--color-white);
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

.nav__cta {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-white);
  background: var(--color-blue-primary);
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-md);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: background var(--transition-fast), box-shadow var(--transition-fast);
}

.nav__cta:hover {
  background: var(--color-blue-dark);
  color: var(--color-white);
  box-shadow: 0 0 20px var(--color-blue-glow);
}

/* Mobile nav toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

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

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-md);
  padding: 0.875rem 2rem;
  transition: all var(--transition-normal);
  text-decoration: none;
}

.btn--primary {
  background: var(--color-blue-primary);
  color: var(--color-white);
  box-shadow: 0 0 0 0 var(--color-blue-glow);
}

.btn--primary:hover {
  background: var(--color-blue-dark);
  color: var(--color-white);
  box-shadow: 0 0 30px var(--color-blue-glow);
  transform: translateY(-1px);
}

.btn--outline {
  background: transparent;
  color: var(--color-blue-bright);
  border: 1px solid var(--color-border-hover);
}

.btn--outline:hover {
  background: rgba(59, 130, 246, 0.08);
  color: var(--color-white);
  border-color: var(--color-blue-primary);
}

/* --- Divider --- */
.divider {
  width: 48px;
  height: 2px;
  background: var(--color-blue-primary);
  margin: var(--spacing-md) 0;
}

.divider--center {
  margin-left: auto;
  margin-right: auto;
}

/* --- Cards --- */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal), transform var(--transition-normal);
}

.card:hover {
  border-color: var(--color-border-hover);
  box-shadow: 0 8px 40px rgba(59, 130, 246, 0.12);
  transform: translateY(-2px);
}

.card__icon {
  width: 48px;
  height: 48px;
  background: rgba(59, 130, 246, 0.12);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  color: var(--color-blue-primary);
}

.card__icon svg {
  width: 24px;
  height: 24px;
}

.card h3 {
  font-family: var(--font-family-display);
  font-size: var(--font-size-xl);
  font-weight: 600;
  letter-spacing: 0.03em;
  margin-bottom: var(--spacing-xs);
}

.card p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* --- Grid Layouts --- */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

/* --- Horizontal Rule / Section Separator --- */
.sep {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 0;
}

/* --- Stat Block --- */
.stat-block {
  text-align: center;
  padding: var(--spacing-lg);
}

.stat-block__number {
  font-family: var(--font-family-display);
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--color-blue-bright);
  line-height: 1;
  margin-bottom: var(--spacing-xs);
  letter-spacing: 0.02em;
}

.stat-block__label {
  font-family: var(--font-family-display);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

/* --- Footer --- */
.footer {
  background: var(--color-bg-dark);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-xl) 0;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.footer__logo img {
  height: 44px;
  width: auto;
  object-fit: contain;
}

.footer__copy {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.footer__links {
  display: flex;
  gap: var(--spacing-lg);
}

.footer__links a {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: var(--color-blue-bright);
}

/* --- Canvas Background --- */
#particle-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-bg-deep);
}

.hero__bg-image {
  position: absolute;
  inset: -20% 0 -20% 0;   /* extra height so parallax has room to travel */
  background-size: cover;
  background-position: center 30%;
  background-repeat: no-repeat;
  opacity: 0.28;
  z-index: 0;
  filter: saturate(0.7);
  will-change: transform;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 100% 80% at 50% 50%,
    rgba(4, 6, 15, 0.55) 0%,
    rgba(4, 6, 15, 0.88) 70%,
    rgba(4, 6, 15, 0.97) 100%
  );
  z-index: 0;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(29, 78, 216, 0.18) 0%, transparent 70%);
  z-index: 0;
}



.hero__content {
  position: relative;
  z-index: 2;
  max-width: 760px;
  will-change: opacity, transform;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-blue-primary);
  margin-bottom: var(--spacing-md);
}

.hero__eyebrow::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--color-blue-primary);
}

.hero__title {
  margin-bottom: var(--spacing-md);
}

.hero__title .accent {
  color: var(--color-blue-bright);
}

.hero__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 560px;
  margin-bottom: var(--spacing-xl);
}

.hero__actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

/* --- Scroll indicator --- */
.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0.4;
}

.scroll-indicator__line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-blue-primary), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50%       { opacity: 1;   transform: scaleY(1.2); }
}

/* --- Mission Strip (dark band) --- */
.mission-strip {
  background: var(--color-bg-card);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-xl) 0;
}

.mission-strip__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.mission-strip__item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-xl);
}

.mission-strip__item + .mission-strip__item {
  border-left: 1px solid var(--color-border);
}

.mission-strip__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  color: var(--color-blue-primary);
}

.mission-strip__text strong {
  display: block;
  font-family: var(--font-family-display);
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 2px;
  letter-spacing: 0.03em;
}

.mission-strip__text span {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* --- About Section --- */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.about__body p {
  margin-bottom: var(--spacing-md);
}

.about__body p:last-child {
  margin-bottom: 0;
}

.about__visual {
  position: relative;
}

.about__visual-box {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  position: relative;
  overflow: hidden;
}

.about__visual-box::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 24px;
  right: 24px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-blue-primary), transparent);
}

.about__values {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.about__value {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
}

.about__value-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  background: rgba(59, 130, 246, 0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-blue-primary);
  margin-top: 2px;
}

.about__value-icon svg {
  width: 18px;
  height: 18px;
}

.about__value-text strong {
  display: block;
  font-family: var(--font-family-display);
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 2px;
  letter-spacing: 0.03em;
}

.about__value-text span {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* --- Image Banner (above visual-box in capability sections) --- */
.about__img-banner {
  width: 100%;
  height: 220px;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  margin-bottom: 0;
  border: 1px solid var(--color-border);
  border-bottom: none;
  filter: saturate(0.85) brightness(0.85);
  overflow: hidden;
  position: relative;
}

.about__img-banner + .about__visual-box {
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  border-top: none;
}

/* Full-width image banner between sections */
.section-img-full {
  width: 100%;
  height: 300px;
  border-radius: var(--radius-xl);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  margin-bottom: var(--spacing-2xl);
  border: 1px solid var(--color-border);
  filter: saturate(0.8) brightness(0.75);
  position: relative;
  overflow: hidden;
}

.section-img-full::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    transparent 40%,
    rgba(4, 6, 15, 0.7) 100%
  );
}

/* --- Services Page Hero --- */
.page-hero {
  position: relative;
  padding: calc(var(--nav-height) + var(--spacing-3xl)) 0 var(--spacing-3xl);
  background: radial-gradient(ellipse 70% 50% at 50% 0%, rgba(29, 78, 216, 0.15) 0%, transparent 70%),
              var(--color-bg-deep);
  overflow: hidden;
  text-align: center;
}

.page-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border-hover), transparent);
}

/* --- Contact Page Hero with image background --- */
.page-hero--contact {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
}

.page-hero--contact::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(4, 6, 15, 0.82) 0%,
    rgba(4, 6, 15, 0.88) 100%
  );
  z-index: 0;
}

.page-hero--contact .container {
  position: relative;
  z-index: 1;
}

/* --- Service Cards Grid --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.service-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal), transform var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-blue-primary), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.service-card:hover {
  border-color: var(--color-border-hover);
  box-shadow: 0 12px 48px rgba(59, 130, 246, 0.14);
  transform: translateY(-3px);
}

.service-card:hover::before {
  opacity: 1;
}

.service-card__icon {
  width: 52px;
  height: 52px;
  background: rgba(59, 130, 246, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-blue-primary);
  margin-bottom: var(--spacing-md);
}

.service-card__icon svg {
  width: 26px;
  height: 26px;
}

.service-card h3 {
  font-family: var(--font-family-display);
  font-size: var(--font-size-xl);
  font-weight: 600;
  letter-spacing: 0.03em;
  margin-bottom: var(--spacing-xs);
}

.service-card p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.service-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: var(--color-blue-bright);
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 100px;
  padding: 2px 10px;
  letter-spacing: 0.04em;
}

/* --- Contact Page --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--spacing-3xl);
  align-items: start;
}

.contact-info h2 {
  margin-bottom: var(--spacing-md);
}

.contact-info p {
  margin-bottom: var(--spacing-xl);
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.contact-detail__icon {
  width: 40px;
  height: 40px;
  background: rgba(59, 130, 246, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-blue-primary);
  flex-shrink: 0;
}

.contact-detail__icon svg {
  width: 18px;
  height: 18px;
}

.contact-detail__text strong {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-primary);
}

.contact-detail__text span {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* --- Form --- */
.form-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--color-bg-dark);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  appearance: none;
  -webkit-appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-blue-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-muted);
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.form-submit {
  width: 100%;
  justify-content: center;
  padding: 1rem;
  font-size: var(--font-size-base);
}

.form-note {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-align: center;
  margin-top: var(--spacing-sm);
}

/* Success state */
.form-success {
  display: none;
  text-align: center;
  padding: var(--spacing-xl);
}

.form-success__icon {
  width: 64px;
  height: 64px;
  background: rgba(59, 130, 246, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
  color: var(--color-blue-primary);
}

.form-success__icon svg {
  width: 32px;
  height: 32px;
}

.form-success h3 {
  margin-bottom: var(--spacing-xs);
}

/* --- CTA Banner --- */
.cta-banner {
  background: linear-gradient(135deg, rgba(29, 78, 216, 0.2) 0%, rgba(59, 130, 246, 0.08) 100%);
  border: 1px solid var(--color-border-hover);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl) var(--spacing-xl);
  text-align: center;
}

.cta-banner h2 {
  margin-bottom: var(--spacing-md);
}

.cta-banner p {
  max-width: 560px;
  margin: 0 auto var(--spacing-xl);
}

/* --- Animations --- */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-up-delay-1 { transition-delay: 0.1s; }
.fade-up-delay-2 { transition-delay: 0.2s; }
.fade-up-delay-3 { transition-delay: 0.3s; }
.fade-up-delay-4 { transition-delay: 0.4s; }
.fade-up-delay-5 { transition-delay: 0.5s; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about__grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .mission-strip__grid {
    grid-template-columns: 1fr;
  }

  .mission-strip__item + .mission-strip__item {
    border-left: none;
    border-top: 1px solid var(--color-border);
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-3xl: 5rem;
    --spacing-2xl: 3.5rem;
  }

  .nav__links {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(4, 6, 15, 0.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--spacing-lg);
    gap: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
  }

  .nav__links.open {
    display: flex;
  }

  .nav__toggle {
    display: flex;
  }

  .nav__cta {
    display: none;
  }

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

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero__actions {
    flex-direction: column;
    align-items: flex-start;
  }
}