/* ==========================================================================
   Sensium AI - Design System
   Matching original site colors, typography, and feel
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties (Design Tokens) - From Original Site
   -------------------------------------------------------------------------- */
:root {
  /* Colors - Original palette */
  --color-bg-primary: #03040b;
  --color-bg-secondary: #0a0d14;
  --color-bg-tertiary: #11131a;
  --color-bg-card: rgba(137, 137, 137, 0.05);
  --color-bg-card-hover: rgba(137, 137, 137, 0.08);

  /* Accent color - Original blue */
  --color-accent: #4b73f2;
  --color-accent-light: rgba(75, 115, 242, 0.1);

  /* Text colors */
  --color-text-primary: #ffffff;
  --color-text-secondary: rgba(255, 255, 255, 0.8);
  --color-text-tertiary: rgba(255, 255, 255, 0.5);

  /* Borders */
  --color-border: rgba(255, 255, 255, 0.09);
  --color-border-hover: rgba(255, 255, 255, 0.15);

  /* Typography - Original fonts */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Epilogue', 'Inter', sans-serif;

  /* Font sizes - Original scale */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-md: 1.125rem;
  --text-lg: 1.25rem;
  --text-xl: 1.5rem;
  --text-2xl: 1.75rem;
  --text-3xl: 2rem;
  --text-4xl: 2.5rem;
  --text-5xl: 3rem;
  --text-6xl: 4rem;

  /* Font weights */
  --font-light: 300;
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;

  /* Line heights */
  --leading-tight: 1.1;
  --leading-snug: 1.2;
  --leading-normal: 1.4;
  --leading-relaxed: 1.5;

  /* Letter spacing */
  --tracking-tight: -0.02em;
  --tracking-normal: -0.01em;

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 99rem;

  /* Shadows */
  --shadow-glow: 0 0 40px rgba(75, 115, 242, 0.15);

  /* Transitions - Refined for smoother feel */
  --transition-fast: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 500ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-spring: 600ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Container */
  --container-max: 81.25rem;
}

/* --------------------------------------------------------------------------
   Animations - Entrance & Micro-interactions
   -------------------------------------------------------------------------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Scroll animation base states */
[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-smooth), transform var(--transition-smooth);
}

[data-animate="fade"] {
  transform: none;
}

[data-animate="scale"] {
  transform: scale(0.95);
}

[data-animate].animate-in {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Stagger children animations */
[data-animate-stagger] > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-smooth), transform var(--transition-smooth);
}

[data-animate-stagger].animate-in > *:nth-child(1) { transition-delay: 0ms; opacity: 1; transform: translateY(0); }
[data-animate-stagger].animate-in > *:nth-child(2) { transition-delay: 80ms; opacity: 1; transform: translateY(0); }
[data-animate-stagger].animate-in > *:nth-child(3) { transition-delay: 160ms; opacity: 1; transform: translateY(0); }
[data-animate-stagger].animate-in > *:nth-child(4) { transition-delay: 240ms; opacity: 1; transform: translateY(0); }
[data-animate-stagger].animate-in > *:nth-child(5) { transition-delay: 320ms; opacity: 1; transform: translateY(0); }
[data-animate-stagger].animate-in > *:nth-child(6) { transition-delay: 400ms; opacity: 1; transform: translateY(0); }

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--font-normal);
  line-height: var(--leading-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  min-height: 100vh;
}

img, video {
  max-width: 100%;
  height: auto;
  display: block;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* --------------------------------------------------------------------------
   Typography - Matching original
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-tight);
  margin: 0;
}

h1, .h1 {
  font-size: var(--text-6xl);
  font-weight: var(--font-light);
  line-height: 1.2;
}

h2, .h2 {
  font-size: var(--text-5xl);
  font-weight: var(--font-light);
}

h3, .h3 {
  font-size: var(--text-4xl);
  font-weight: var(--font-light);
}

h4, .h4 {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
}

h5, .h5 {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
}

h6, .h6 {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
}

p {
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: 0;
}

.lead {
  font-size: var(--text-lg);
  line-height: var(--leading-snug);
  color: var(--color-text-secondary);
  letter-spacing: var(--tracking-normal);
}

.overline {
  font-family: var(--font-heading);
  font-size: var(--text-md);
  font-weight: var(--font-light);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-primary);
}

.text-gradient {
  color: var(--color-accent);
}

.eyebrow-tag {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: var(--font-normal);
  color: var(--color-text-primary);
  background: rgba(35, 34, 42, 0.11);
  border: 1px solid rgba(54, 52, 64, 0.5);
  border-radius: var(--radius-full);
  padding: 0.4375rem 1.125rem;
  line-height: 1.4;
}

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 3rem;
}

.section {
  padding: 5rem 0;
  position: relative;
  overflow: hidden;
}

.section--lg {
  padding: 7.5rem 0;
}

/* Grid */
.grid {
  display: grid;
  gap: var(--space-8);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .container { padding: 0 1rem; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .section { padding: 3rem 0; }
}

/* Flex utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }

/* --------------------------------------------------------------------------
   Navigation
   -------------------------------------------------------------------------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 999;
  padding: 2.75rem 3rem;
  transition: var(--transition-base);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max);
  margin: 0 auto;
  background: rgba(0, 0, 0, 0.34);
  backdrop-filter: blur(2.25rem);
  border-radius: var(--radius-full);
  padding: 0.625rem;
  height: 4.375rem;
}

.nav__logo {
  display: flex;
  align-items: center;
  padding-left: 0.9rem;
}

.nav__logo img {
  height: 2.75rem;
  width: auto;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 2.625rem;
}

.nav__link {
  font-size: var(--text-md);
  font-weight: var(--font-normal);
  color: var(--color-text-secondary);
  opacity: 0.7;
  letter-spacing: var(--tracking-normal);
  transition: opacity var(--transition-base), color var(--transition-base);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-smooth);
}

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

.nav__link:hover,
.nav__link--active {
  opacity: 1;
  color: var(--color-text-primary);
}

.nav__cta {
  margin-left: var(--space-4);
}

/* Mobile nav */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-4);
}

.nav__toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  transition: var(--transition-fast);
}

@media (max-width: 991px) {
  .nav { padding: 1rem; }
  .nav__inner { padding: 0 1rem; height: 4rem; }
  .nav__toggle { display: flex; }
  .nav__links {
    position: fixed;
    top: 5rem;
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    align-items: flex-start;
    background: var(--color-bg-primary);
    padding: 3rem;
    gap: 2rem;
    display: none;
  }
  .nav__links.active { display: flex; }
  .nav__cta { margin-left: 0; margin-top: auto; }
}

/* --------------------------------------------------------------------------
   Buttons - Matching original style
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding: 0.875rem 1.5rem;
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  letter-spacing: var(--tracking-normal);
  text-transform: capitalize;
  border-radius: var(--radius-full);
  transition: transform var(--transition-smooth),
              box-shadow var(--transition-base),
              background-color var(--transition-base),
              opacity var(--transition-fast);
  white-space: nowrap;
  line-height: 1.2;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0) scale(0.98);
  transition-duration: 100ms;
}

.btn--primary {
  background-color: var(--color-accent);
  color: var(--color-text-primary);
  box-shadow: 0 4px 14px rgba(75, 115, 242, 0.25);
}

.btn--primary:hover {
  box-shadow: 0 8px 25px rgba(75, 115, 242, 0.35);
  background-color: #5a80f5;
}

.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(75, 115, 242, 0.5);
}

.btn--secondary {
  background-color: var(--color-text-primary);
  color: var(--color-bg-primary);
}

.btn--outline {
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-text-primary);
}

.btn--lg {
  padding: 1.25rem 1.5rem;
}

.btn--sm {
  padding: 0.5rem 1rem;
  font-size: var(--text-sm);
}

.btn--icon {
  background: transparent;
  color: var(--color-text-primary);
  font-size: var(--text-sm);
  padding: 0;
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   Cards
   -------------------------------------------------------------------------- */
.card {
  background: var(--color-bg-card);
  backdrop-filter: blur(4.9rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  transition: transform var(--transition-smooth),
              border-color var(--transition-base),
              box-shadow var(--transition-smooth),
              background var(--transition-base);
}

.card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25),
              0 0 0 1px rgba(75, 115, 242, 0.08);
  background: var(--color-bg-card-hover);
}

.card__title {
  font-size: var(--text-lg);
  font-weight: var(--font-medium);
  margin-bottom: var(--space-3);
}

.card__text {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  padding-top: 13.8125rem;
  padding-bottom: 3.8125rem;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(17, 17, 31, 0) 53%, rgba(17, 17, 31, 1) 82%),
    linear-gradient(rgba(17, 17, 31, 0.6), rgba(17, 17, 31, 0.6)),
    linear-gradient(rgba(75, 115, 242, 0.36), rgba(75, 115, 242, 0.36));
  mix-blend-mode: overlay;
}

.hero__content {
  position: relative;
  z-index: 3;
  max-width: 55.6875rem;
  display: flex;
  flex-direction: column;
  gap: 1.4375rem;
  animation: fadeInUp 800ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.hero__overline {
  animation: fadeInUp 800ms cubic-bezier(0.16, 1, 0.3, 1) 100ms both;
}

.hero__title {
  animation: fadeInUp 800ms cubic-bezier(0.16, 1, 0.3, 1) 200ms both;
}

.hero__text {
  animation: fadeInUp 800ms cubic-bezier(0.16, 1, 0.3, 1) 300ms both;
}

.hero__actions {
  animation: fadeInUp 800ms cubic-bezier(0.16, 1, 0.3, 1) 400ms both;
}

.hero__overline {
  margin-bottom: 0;
}

.hero__title {
  margin-bottom: 0;
}

.hero__text {
  font-size: var(--text-lg);
  opacity: 0.8;
  letter-spacing: var(--tracking-normal);
  line-height: var(--leading-snug);
  max-width: 49.9375rem;
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

@media (max-width: 768px) {
  .hero {
    padding-top: 10rem;
    padding-bottom: 2rem;
  }
}

/* --------------------------------------------------------------------------
   Stats
   -------------------------------------------------------------------------- */
.stats {
  display: grid;
  grid-template-columns: 20% 21% 28%;
  justify-content: space-between;
  gap: var(--space-8);
}

@media (max-width: 768px) {
  .stats { grid-template-columns: 1fr; }
}

.stat {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2.25rem;
}

.stat__value {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
}

.stat__unit {
  font-size: 2rem;
}

.stat__label {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  text-transform: capitalize;
}

.stat__desc {
  font-size: var(--text-md);
  color: var(--color-text-secondary);
  font-weight: var(--font-light);
  letter-spacing: var(--tracking-tight);
}

/* --------------------------------------------------------------------------
   Section Headers
   -------------------------------------------------------------------------- */
.section-header {
  text-align: center;
  max-width: 49.6rem;
  margin: 0 auto var(--space-16);
  display: flex;
  flex-direction: column;
  gap: 1.0625rem;
  align-items: center;
}

.section-header--left {
  text-align: left;
  align-items: flex-start;
  margin-left: 0;
}

.section-header__text {
  font-size: var(--text-lg);
  opacity: 0.8;
}

/* --------------------------------------------------------------------------
   Feature Blocks (Stack Cards Style)
   -------------------------------------------------------------------------- */
.feature-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.feature-block {
  background: var(--color-bg-card);
  backdrop-filter: blur(1rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2.75rem 2.1875rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition-base),
              box-shadow var(--transition-smooth);
}

.feature-block:hover {
  border-color: var(--color-border-hover);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.feature-block__image img {
  transition: transform var(--transition-smooth);
}

.feature-block:hover .feature-block__image img {
  transform: scale(1.02);
}

@media (max-width: 1024px) {
  .feature-block {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

.feature-block__label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
}

.feature-block__label-icon {
  width: 3.25rem;
  height: 3.25rem;
}

.feature-block__label-text {
  font-size: var(--text-lg);
  font-weight: var(--font-medium);
  color: var(--color-accent);
  text-transform: uppercase;
  line-height: 1.2;
}

.feature-block__title {
  font-size: var(--text-lg);
  font-weight: var(--font-medium);
  margin-bottom: var(--space-4);
  line-height: 2.9;
}

.feature-block__text {
  font-size: var(--text-base);
  margin-bottom: var(--space-6);
  color: var(--color-text-secondary);
}

.feature-block__image {
  border-radius: var(--radius-md);
  overflow: hidden;
}

.feature-block__image img {
  width: 100%;
  height: auto;
}

/* --------------------------------------------------------------------------
   Timeline (Implementation)
   -------------------------------------------------------------------------- */
.timeline {
  position: relative;
  padding-left: var(--space-8);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.timeline__item {
  position: relative;
  padding-bottom: var(--space-12);
}

.timeline__item:last-child {
  padding-bottom: 0;
}

.timeline__marker {
  position: absolute;
  left: calc(-1 * var(--space-8) - 8px);
  top: 0;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 3px solid var(--color-bg-primary);
  transition: transform var(--transition-smooth),
              box-shadow var(--transition-smooth);
}

.timeline__item:hover .timeline__marker {
  transform: scale(1.3);
  box-shadow: 0 0 20px rgba(75, 115, 242, 0.5);
}

.timeline__period {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-2);
}

.timeline__title {
  font-size: var(--text-3xl);
  font-weight: var(--font-light);
  margin-bottom: var(--space-4);
}

.timeline__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.timeline__list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  color: var(--color-text-secondary);
}

.timeline__list li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  margin-top: 8px;
  flex-shrink: 0;
}

.timeline__outcome {
  margin-top: var(--space-6);
  padding: var(--space-4);
  background: var(--color-accent-light);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.timeline__outcome p {
  color: var(--color-text-primary);
  font-size: var(--text-sm);
}

/* --------------------------------------------------------------------------
   FAQ
   -------------------------------------------------------------------------- */
.faq-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem 1rem;
}

@media (max-width: 768px) {
  .faq-list { grid-template-columns: 1fr; }
}

.faq-item {
  background: var(--color-bg-card);
  backdrop-filter: blur(9.375rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0 1.5rem 1.125rem;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition-base),
              box-shadow var(--transition-smooth);
}

.faq-item:hover {
  border-color: var(--color-border-hover);
}

.faq-item.active {
  border-color: rgba(75, 115, 242, 0.3);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.faq-item__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.5rem;
  font-size: var(--text-base);
  font-weight: var(--font-normal);
  color: var(--color-text-primary);
  text-align: left;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.faq-item__question:hover {
  color: var(--color-accent);
}

.faq-item__icon {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--color-accent);
  transition: transform var(--transition-smooth);
  flex-shrink: 0;
}

.faq-item.active .faq-item__icon {
  transform: rotate(45deg);
}

.faq-item__answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--transition-smooth);
}

.faq-item.active .faq-item__answer {
  grid-template-rows: 1fr;
}

.faq-item__answer-inner {
  overflow: hidden;
}

.faq-item.active .faq-item__answer-inner {
  padding-top: 1.25rem;
}

.faq-item__answer-inner {
  padding-top: 1.25rem;
  color: var(--color-text-secondary);
}

/* --------------------------------------------------------------------------
   Contact Form
   -------------------------------------------------------------------------- */
.form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  background: linear-gradient(rgba(22, 22, 22, 0.4), rgba(22, 22, 22, 0.72));
  backdrop-filter: blur(1.5rem);
  border: 1px solid rgba(208, 208, 208, 0.2);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: 0 -5.375rem 12.5rem -0.1875rem rgba(58, 115, 189, 0.34);
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 768px) {
  .form__row { grid-template-columns: 1fr; }
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.form__label {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--font-medium);
  color: var(--color-text-primary);
  line-height: 1;
}

.form__input,
.form__textarea {
  width: 100%;
  padding: 0.5rem 1.5rem;
  font-family: inherit;
  font-size: var(--text-md);
  font-weight: var(--font-normal);
  color: var(--color-text-primary);
  background: rgba(47, 47, 47, 0.4);
  border: 1px solid rgba(208, 208, 208, 0.1);
  border-radius: var(--radius-full);
  height: 3.875rem;
  letter-spacing: var(--tracking-normal);
  transition: var(--transition-fast);
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.form__input:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(75, 115, 242, 0.15);
}

.form__textarea {
  border-radius: var(--radius-xl);
  min-height: 10.75rem;
  height: auto;
  padding: 1.5rem;
  resize: vertical;
}

.form__checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  opacity: 0.5;
}

.form__checkbox input {
  width: 1rem;
  height: 1rem;
  margin-top: 0.25rem;
  accent-color: var(--color-accent);
  border: 1px solid var(--color-text-primary);
  border-radius: var(--radius-full);
}

.form__checkbox label {
  font-size: var(--text-md);
  color: var(--color-text-primary);
}

.form__checkbox label a {
  color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  position: relative;
  padding: var(--space-16) 0 var(--space-4);
  overflow: hidden;
}

.footer__grid {
  display: grid;
  grid-template-columns: 36.5% 25.9%;
  justify-content: space-between;
  gap: var(--space-12);
  margin-bottom: 3.75rem;
}

@media (max-width: 991px) {
  .footer__grid {
    grid-template-columns: 46% 40%;
  }
}

@media (max-width: 768px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: 1.125rem;
}

.footer__logo img {
  height: 2.75rem;
  width: auto;
}

.footer__tagline {
  font-size: var(--text-base);
  color: var(--color-text-primary);
  letter-spacing: var(--tracking-normal);
  line-height: 1.4;
}

.footer__links-grid {
  display: grid;
  grid-template-columns: 34% 47%;
  justify-content: space-between;
}

@media (max-width: 768px) {
  .footer__links-grid { grid-template-columns: 1fr; gap: 2rem; }
}

.footer__heading {
  font-family: var(--font-heading);
  font-size: var(--text-md);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-normal);
  color: var(--color-accent);
  margin-bottom: var(--space-2);
  line-height: 1.2;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer__link {
  font-size: var(--text-base);
  color: var(--color-text-primary);
  opacity: 0.8;
  line-height: 1.7;
  transition: opacity var(--transition-base),
              color var(--transition-base),
              transform var(--transition-base);
  display: inline-block;
}

a.footer__link:hover {
  opacity: 1;
  color: var(--color-accent);
  transform: translateX(4px);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-4);
}

@media (max-width: 768px) {
  .footer__bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }
}

.footer__copy {
  font-size: var(--text-base);
  color: var(--color-text-primary);
  letter-spacing: var(--tracking-normal);
}

.footer__legal {
  display: flex;
  gap: var(--space-6);
}

.footer__legal a {
  font-size: var(--text-base);
  color: var(--color-text-primary);
  opacity: 0.8;
  transition: var(--transition-fast);
}

.footer__legal a:hover {
  opacity: 1;
}

/* --------------------------------------------------------------------------
   Utilities
   -------------------------------------------------------------------------- */
.text-center { text-align: center; }
.text-left { text-align: left; }

.opacity-80 { opacity: 0.8; }
.opacity-50 { opacity: 0.5; }

.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }

.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

/* Background variants */
.bg-secondary {
  background: var(--color-bg-secondary);
}

.bg-tertiary {
  background: var(--color-bg-tertiary);
}

/* Divider */
.divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-16) 0;
}

/* Accent text */
.text-accent {
  color: var(--color-accent);
}