/* =============================================
   SKYTIDE - Main Stylesheet
   Color Palette:
   - Primary Blue: #394bd1
   - Bright Blue: #4054ea
   - Dark Navy: #000745
   - Purple Accent: #cc88ff
   - Lime Green: #d7ff7b
   - Light Gray: #e8ebf6
============================================= */

/* ==================== CSS Variables ==================== */
:root {
  /* Colors */
  --color-primary: #394bd1;
  --color-primary-hover: #4054ea;
  --color-dark: #000745;
  --color-purple: #cc88ff;
  --color-lime: #d7ff7b;
  --color-light: #e8ebf6;
  --color-white: #ffffff;
  --color-text: #1a1a2e;
  --color-text-light: #64648c;

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Plus Jakarta Sans', var(--font-primary);

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

  /* Border Radius */
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 7, 69, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 7, 69, 0.1);
  --shadow-lg: 0 12px 40px rgba(0, 7, 69, 0.15);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

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

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

body {
  font-family: var(--font-primary);
  color: var(--color-text);
  background-color: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul,
ol {
  list-style: none;
}

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

/* ==================== Typography ==================== */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
  font-size: 1.25rem;
}

p {
  color: var(--color-text-light);
  max-width: 65ch;
}

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

/* ==================== Layout ==================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

.section--light {
  background-color: var(--color-light);
}

.section--dark {
  background-color: var(--color-dark);
  color: var(--color-white);
}

.section--dark h2,
.section--dark h3,
.section--dark h4 {
  color: var(--color-white);
}

.section--dark p {
  color: rgba(255, 255, 255, 0.8);
}

/* ==================== Buttons ==================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn--primary:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--secondary {
  background-color: var(--color-lime);
  color: var(--color-dark);
}

.btn--secondary:hover {
  background-color: #e5ff99;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  background-color: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

.btn--outline:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn--white {
  background-color: var(--color-white);
  color: var(--color-dark);
}

.btn--white:hover {
  background-color: var(--color-light);
  transform: translateY(-2px);
}

.btn--sm {
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
}

.btn--lg {
  padding: 1rem 2.5rem;
  font-size: 1.125rem;
}

/* ==================== Header & Navigation ==================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 7, 69, 0.05);
  transition: all var(--transition-base);
}

.header--scrolled {
  box-shadow: var(--shadow-sm);
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-dark);
}

.header__logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-purple) 100%);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-weight: 800;
  font-size: 1.25rem;
}

.header__logo-img {
  height: 36px;
  width: auto;
  object-fit: contain;
}

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

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

.nav__link {
  font-weight: 500;
  color: var(--color-text-light);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-primary);
  background-color: rgba(57, 75, 209, 0.08);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--spacing-xs);
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-dark);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* ==================== Hero Section ==================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  background: linear-gradient(180deg, var(--color-light) 0%, var(--color-white) 100%);
  overflow: hidden;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 80%;
  height: 150%;
  background: radial-gradient(circle, rgba(57, 75, 209, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.hero__content {
  position: relative;
  z-index: 1;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.5rem 1rem;
  background-color: rgba(57, 75, 209, 0.1);
  color: var(--color-primary);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: var(--spacing-md);
}

.hero__badge-dot {
  width: 8px;
  height: 8px;
  background-color: var(--color-lime);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.5;
  }
}

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

.hero__subtitle {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-lg);
  max-width: 500px;
}

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

.hero__image {
  position: relative;
  z-index: 1;
}

.hero__image-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-purple) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: 1.25rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
}

.hero__image-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

/* ==================== Features Section ==================== */
.features {
  background-color: var(--color-white);
}

.features__header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--spacing-2xl);
}

.features__header p {
  margin: var(--spacing-sm) auto 0;
}

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

.feature-card {
  padding: var(--spacing-lg);
  background-color: var(--color-white);
  border: 1px solid var(--color-light);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.feature-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.feature-card__icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, rgba(57, 75, 209, 0.1) 0%, rgba(204, 136, 255, 0.1) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  font-size: 1.5rem;
}

.feature-card__title {
  margin-bottom: var(--spacing-xs);
}

.feature-card__description {
  font-size: 0.9375rem;
}

/* ==================== Product Section ==================== */
.product {
  background-color: var(--color-light);
}

.product__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.product__image-placeholder {
  width: 100%;
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-primary) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: 1.25rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
}

.product__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.375rem 0.875rem;
  background-color: var(--color-lime);
  color: var(--color-dark);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
  margin-bottom: var(--spacing-md);
}

.product__title {
  margin-bottom: var(--spacing-sm);
}

.product__description {
  margin-bottom: var(--spacing-lg);
  font-size: 1.125rem;
}

.product__features {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.product__feature {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-text);
}

.product__feature-icon {
  width: 24px;
  height: 24px;
  background-color: rgba(57, 75, 209, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 0.75rem;
}

/* ==================== Stats Section ==================== */
.stats {
  background-color: var(--color-dark);
  padding: var(--spacing-xl) 0;
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
  text-align: center;
}

.stat__number {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--color-lime);
  margin-bottom: var(--spacing-xs);
}

.stat__label {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9375rem;
}

/* ==================== Team Section ==================== */
.team__header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--spacing-2xl);
}

.team__header p {
  margin: var(--spacing-sm) auto 0;
}

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

.team-card {
  text-align: center;
  padding: var(--spacing-lg);
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-light);
  transition: all var(--transition-base);
}

.team-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.team-card__image {
  width: 120px;
  height: 120px;
  background: linear-gradient(135deg, var(--color-light) 0%, rgba(57, 75, 209, 0.2) 100%);
  border-radius: 50%;
  margin: 0 auto var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  font-size: 0.875rem;
  overflow: hidden;
}

.team-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-card__name {
  margin-bottom: var(--spacing-xs);
}

.team-card__role {
  color: var(--color-primary);
  font-weight: 500;
  font-size: 0.9375rem;
  margin-bottom: var(--spacing-sm);
}

.team-card__bio {
  font-size: 0.875rem;
  margin-bottom: var(--spacing-sm);
}

.team-card__social {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
}

.team-card__social a {
  width: 36px;
  height: 36px;
  background-color: var(--color-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  transition: all var(--transition-fast);
}

.team-card__social a:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* ==================== About Section ==================== */
.about__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.about__image-placeholder {
  width: 100%;
  aspect-ratio: 1;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-dark) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: 1.25rem;
  font-weight: 500;
}

.about__image-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.about__content h1 {
  margin-bottom: var(--spacing-lg);
}

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

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

.about__values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

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

.about__value-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  background-color: rgba(57, 75, 209, 0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.about__value-title {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.about__value-text {
  font-size: 0.875rem;
}

/* ==================== Timeline Section ==================== */
.timeline {
  background-color: var(--color-light);
}

.timeline__header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--spacing-2xl);
}

.timeline__container {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline__container::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 100%;
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-purple) 100%);
}

.timeline__item {
  position: relative;
  width: 50%;
  padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.timeline__item:nth-child(odd) {
  left: 0;
  text-align: right;
  padding-right: var(--spacing-xl);
}

.timeline__item:nth-child(even) {
  left: 50%;
  padding-left: var(--spacing-xl);
}

.timeline__item::before {
  content: '';
  position: absolute;
  top: 0;
  width: 16px;
  height: 16px;
  background-color: var(--color-primary);
  border: 4px solid var(--color-white);
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
}

.timeline__item:nth-child(odd)::before {
  right: -8px;
}

.timeline__item:nth-child(even)::before {
  left: -8px;
}

.timeline__date {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: var(--spacing-xs);
}

.timeline__title {
  margin-bottom: var(--spacing-xs);
}

.timeline__description {
  font-size: 0.9375rem;
}

/* ==================== CTA Section ==================== */
.cta {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-dark) 100%);
  text-align: center;
}

.cta h2 {
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
}

.cta p {
  color: rgba(255, 255, 255, 0.8);
  margin: 0 auto var(--spacing-lg);
  max-width: 600px;
  font-size: 1.125rem;
}

.cta__buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

/* ==================== Contact Section ==================== */
.contact__container {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--spacing-2xl);
}

.contact__info h1 {
  margin-bottom: var(--spacing-lg);
}

.contact__info h2 {
  margin-bottom: var(--spacing-sm);
}

.contact__info>p {
  margin-bottom: var(--spacing-lg);
}

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

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

.contact__icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background-color: rgba(57, 75, 209, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 1.25rem;
}

.contact__item-title {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.contact__item-text {
  color: var(--color-text-light);
  font-size: 0.9375rem;
}

.contact__item-text a {
  color: var(--color-primary);
}

.contact__item-text a:hover {
  text-decoration: underline;
}

.contact__social {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
}

.contact__social a {
  width: 48px;
  height: 48px;
  background-color: var(--color-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  font-size: 1.25rem;
  transition: all var(--transition-fast);
}

.contact__social a:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-3px);
}

.contact__form {
  background-color: var(--color-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

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

.form__label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

.form__input,
.form__textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  font-family: inherit;
  font-size: 1rem;
  border: 1px solid var(--color-light);
  border-radius: var(--radius-sm);
  background-color: var(--color-white);
  transition: all var(--transition-fast);
}

.form__input:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(57, 75, 209, 0.15);
}

.form__textarea {
  min-height: 150px;
  resize: vertical;
}

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

/* ==================== Footer ==================== */
.footer {
  background-color: var(--color-dark);
  color: var(--color-white);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.footer__brand {
  max-width: 300px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: var(--spacing-md);
}

.footer__logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-purple) 100%);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.25rem;
}

.footer__logo-img {
  height: 36px;
  width: auto;
  object-fit: contain;
}

.footer__brand p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.footer__column h4 {
  color: var(--color-white);
  font-size: 1rem;
  margin-bottom: var(--spacing-md);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer__links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
}

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

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__copyright {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
}

.footer__legal {
  display: flex;
  gap: var(--spacing-md);
}

.footer__legal a {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
}

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

/* ==================== Legal Pages ==================== */
.legal {
  padding-top: 120px;
}

.legal__header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.legal__header p {
  margin: var(--spacing-sm) auto 0;
}

.legal__content {
  max-width: 800px;
  margin: 0 auto;
}

.legal__content h2 {
  font-size: 1.5rem;
  margin: var(--spacing-xl) 0 var(--spacing-sm);
}

.legal__content h3 {
  font-size: 1.25rem;
  margin: var(--spacing-lg) 0 var(--spacing-sm);
}

.legal__content p {
  margin-bottom: var(--spacing-md);
  max-width: none;
}

.legal__content ul {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
}

.legal__content li {
  list-style: disc;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-light);
}

/* ==================== Mobile Navigation ==================== */
.nav__mobile {
  display: none;
  position: fixed;
  top: 80px;
  left: 0;
  right: 0;
  background-color: var(--color-white);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-lg);
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.nav__mobile.active {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.nav__mobile .nav__list {
  flex-direction: column;
  gap: var(--spacing-sm);
}

.nav__mobile .nav__link {
  display: block;
  padding: var(--spacing-sm);
  text-align: center;
  font-size: 1.125rem;
}

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

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

  .stats__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
  }

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

@media (max-width: 768px) {
  .nav__toggle {
    display: flex;
  }

  .nav__list,
  .nav>.btn {
    display: none;
  }

  .nav__mobile {
    display: block;
  }

  .hero__container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--spacing-xl);
  }

  .hero__content {
    order: 1;
  }

  .hero__image {
    order: 2;
  }

  .hero__subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero__cta {
    justify-content: center;
  }

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

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

  .product__image {
    order: 1;
  }

  .product__content {
    order: 2;
  }

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

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

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

  .timeline__container::before {
    left: 0;
  }

  .timeline__item {
    width: 100%;
    left: 0 !important;
    text-align: left !important;
    padding-left: var(--spacing-xl) !important;
    padding-right: 0 !important;
  }

  .timeline__item::before {
    left: -8px !important;
    right: auto !important;
  }

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

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

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

  .footer__bottom {
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: center;
  }

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

@media (max-width: 480px) {
  .hero__cta {
    flex-direction: column;
    width: 100%;
  }

  .hero__cta .btn {
    width: 100%;
  }

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

  .cta__buttons {
    flex-direction: column;
  }

  .cta__buttons .btn {
    width: 100%;
  }
}

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

.mb-0 {
  margin-bottom: 0;
}

.mb-sm {
  margin-bottom: var(--spacing-sm);
}

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

.mb-lg {
  margin-bottom: var(--spacing-lg);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}