/* ============================================
   ATLANTEDIGITAL — Base Styles
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  --color-primary: #0071e3;
  --color-primary-dark: #0077ed;
  --color-primary-light: #40a9ff;
  --color-accent: #2997ff;
  --color-secondary: #a855f7;
  --color-accent-glow: rgba(41, 151, 255, 0.2);
  --color-secondary-glow: rgba(168, 85, 247, 0.15);
  --color-dark: #1d1d1f;
  --color-dark-soft: #424245;
  --color-text: #1d1d1f;
  --color-text-light: #86868b;
  --color-bg: #ffffff;
  --color-bg-alt: #f5f5f7;
  --color-bg-dark: #000000;
  --color-border: #d2d2d7;
  --color-white: #ffffff;

  --font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  --font-size-base: 1.0625rem;
  --font-size-sm: 0.875rem;
  --font-size-lg: 1.1875rem;
  --font-size-xl: 1.3125rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2.5rem;
  --font-size-4xl: 3.5rem;
  --font-size-5xl: 5rem;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3.5rem;
  --spacing-2xl: 5rem;
  --spacing-3xl: 8rem;

  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1.125rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 8px 16px rgba(0,0,0,0.04);
  --shadow-lg: 0 12px 24px rgba(0,0,0,0.06);
  --shadow-xl: 0 20px 40px rgba(0,0,0,0.08);

  --transition: 0.3s ease;
  --container-max: 1200px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 400;
}

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

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

a:hover {
  color: var(--color-primary-dark);
}

ul, ol {
  list-style: none;
}

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

/* --- Section defaults --- */
section {
  padding: var(--spacing-3xl) 0;
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: 400;
  color: var(--color-dark);
  text-align: center;
  margin: 0 auto var(--spacing-sm);
  max-width: 900px;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--spacing-2xl);
}

/* Pricing title inherits section title style */
.pricing .section-title {
  color: var(--color-dark);
}

/* Reduce vertical gap between Testimonials and Pricing (approx half) */
.testimonials {
  padding-bottom: calc(var(--spacing-3xl) / 2);
}
.pricing {
  padding-top: calc(var(--spacing-3xl) / 2);
}

/* Pricing background */
.pricing {
  background-color: #ffffff;
}

/* Increase space between the Pricing title and the pricing cards */
.pricing .section-title {
  margin-bottom: var(--spacing-2xl);
}

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

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: 600;
  padding: 0.625rem 1.5rem;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: linear-gradient(135deg, #0071e3 0%, #a855f7 100%);
  color: var(--color-white);
  border: none;
  font-weight: 500;
  padding: 0.75rem 1.75rem;
  box-shadow: 0 4px 15px rgba(0, 113, 227, 0.3);
}
.btn--primary:hover {
  background: linear-gradient(135deg, #a855f7 0%, #0071e3 100%);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(168, 85, 247, 0.4);
}

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

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

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

.btn--small {
  font-size: var(--font-size-sm);
  padding: 0.4rem 1rem;
}

.btn--lg {
  font-size: var(--font-size-lg);
  padding: 0.875rem 2rem;
}

.btn--full {
  width: 100%;
}

/* --- Utility --- */
.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;
}

/* ============================================
   HEADER
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}
.header--scrolled {
  box-shadow: var(--shadow-md);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.header__logo img {
  height: 40px;
  width: auto;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}
.header__nav a {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text);
  transition: color var(--transition);
}
.header__nav a:hover {
  color: var(--color-primary);
}

.header__menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.header__menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-dark);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ============================================
   HERO
   ============================================ */
.hero {
  padding: calc(72px + var(--spacing-3xl)) 0 var(--spacing-3xl);
  background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
  overflow: hidden;
}

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

.hero__title {
  font-size: var(--font-size-4xl);
  font-weight: 400;
  color: var(--color-dark);
  line-height: 1.15;
  margin-bottom: var(--spacing-md);
}

.hero__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: var(--spacing-lg);
  max-width: 520px;
}

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

/* --- Dashboard Mockup --- */
.hero__visual {
  display: flex;
  justify-content: center;
}

.hero__mockup {
  width: 100%;
  max-width: 520px;
}

.hero__image {
  width: 100%;
  max-width: 520px;
  height: auto;
  border-radius: var(--radius-lg);
  background: transparent;
  box-shadow: none;
  display: block;
}

.mockup-screen {
  background: var(--color-dark);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.mockup-header {
  display: flex;
  gap: 6px;
  padding: 12px 16px;
  background: var(--color-dark-soft);
}
.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot--red { background: #ef4444; }
.dot--yellow { background: #f59e0b; }
.dot--green { background: #22c55e; }

.mockup-body {
  display: flex;
  padding: 16px;
  gap: 12px;
  min-height: 280px;
}

.mockup-sidebar {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 48px;
}
.mockup-sidebar__item {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.06);
}
.mockup-sidebar__item.active {
  background: var(--color-primary);
}

.mockup-main {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.mockup-card {
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  min-height: 70px;
}
.mockup-chart {
  grid-column: 1 / -1;
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius-sm);
  min-height: 120px;
  position: relative;
  overflow: hidden;
}
.mockup-chart::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60%;
  background: linear-gradient(180deg, transparent 0%, rgba(0,128,181,0.25) 100%);
  clip-path: polygon(0 70%, 15% 40%, 30% 55%, 50% 20%, 70% 45%, 85% 15%, 100% 35%, 100% 100%, 0 100%);
}

/* ============================================
   PRODUCTS
   ============================================ */
.products {
  background: var(--color-bg);
}

.products__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
  max-width: 900px;
  margin: 0 auto;
}

.product-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.product-card--featured {
  background: var(--color-white);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.product-card--featured h3 {
  color: var(--color-dark) !important;
}
.product-card--featured p {
  color: var(--color-text-light);
}

.product-card__icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-lg);
  background: #f5f5f7;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
  font-size: 1.5rem;
  color: #86868b;
}
.product-card--featured .product-card__icon {
  background: #f5f5f7;
  color: #86868b;
}

.product-card h3 {
  font-size: var(--font-size-xl);
  color: var(--color-dark);
  margin-bottom: var(--spacing-sm);
}

.product-card p {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
}

/* ============================================
   FEATURES
   ============================================ */
.features {
  background: var(--color-bg-alt);
}

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

.feature-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.feature-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: rgba(0, 128, 181, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
  font-size: 1.25rem;
  color: var(--color-primary);
}

.feature-card h3 {
  font-size: var(--font-size-lg);
  color: var(--color-dark);
  margin-bottom: var(--spacing-xs);
}

.feature-card p {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  line-height: 1.7;
}

/* ============================================
   SERVICES
   ============================================ */
.services {
  background: var(--color-bg);
}

/* --- Services carousel wrapper --- */
.services__carousel {
  position: relative;
  display: flex;
  align-items: center;
}

.services__grid {
  display: flex;
  gap: var(--spacing-md);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: var(--spacing-xs) 0;
  /* Hide scrollbar */
  scrollbar-width: none;
}
.services__grid::-webkit-scrollbar {
  display: none;
}

.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md) var(--spacing-lg);
  transition: transform var(--transition), box-shadow var(--transition);
  flex: 0 0 calc((100% - var(--spacing-md) * 4) / 5);
  min-width: 220px;
  scroll-snap-align: start;
}
.service-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* --- Carousel arrows (Apple-style) --- */
.services__arrow {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: rgba(0,0,0,0.06);
  color: var(--color-dark);
  font-size: 0.85rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), opacity var(--transition);
  z-index: 2;
}
.services__arrow:hover {
  background: rgba(0,0,0,0.12);
}
.services__arrow--left {
  margin-right: var(--spacing-sm);
}
.services__arrow--right {
  margin-left: var(--spacing-sm);
}

.service-card__icon {
  width: 56px;
  height: 56px;
  border-radius: 0;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-xs);
  font-size: 1.35rem;
  color: #86868b;
  transition: color 180ms ease, transform 180ms ease;
}

.service-card h3 {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: calc(var(--spacing-xs) / 2);
  line-height: 1.08;
}

.service-card p {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  line-height: 1.35;
}

/* Icon hover: change to primary blue and slightly scale */
.service-card:hover .service-card__icon {
  color: var(--color-primary);
  transform: scale(1.08);
}

/* ============================================
   TESTIMONIALS
   ============================================ */
.testimonials {
  background: var(--color-bg-alt);
}

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

.testimonial-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  transition: transform var(--transition), box-shadow var(--transition);
}
.testimonial-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.testimonial-card__stars {
  display: flex;
  gap: 2px;
  margin-bottom: var(--spacing-md);
  color: var(--color-star);
  font-size: var(--font-size-sm);
}

.testimonial-card blockquote {
  font-size: var(--font-size-base);
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
  font-style: italic;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.testimonial-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--font-size-sm);
  flex-shrink: 0;
}

.testimonial-card__author strong {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-dark);
}
.testimonial-card__author span {
  font-size: 0.75rem;
  color: var(--color-text-light);
}

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

.cta__inner h2 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-sm);
}

/* CTA: ensure the CTA heading matches section-title size but stays white */
.cta .section-title {
  color: var(--color-white) !important;
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-sm);
}

.cta__inner p {
  font-size: var(--font-size-lg);
  opacity: 0.9;
  max-width: 560px;
  margin: 0 auto var(--spacing-lg);
}

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

/* ============================================
   CONTACT
   ============================================ */
.contact {
  background: var(--color-bg);
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--spacing-2xl);
  align-items: start;
}

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

.form-group label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 0.375rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-alt);
  color: var(--color-dark);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 128, 181, 0.15);
}

.form-group textarea {
  resize: vertical;
}

.form-msg {
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  min-height: 1.5em;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  padding-top: var(--spacing-lg);
}

.contact-info__item {
  display: flex;
  gap: var(--spacing-sm);
  align-items: flex-start;
}
.contact-info__item i {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: rgba(0, 128, 181, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}
.contact-info__item strong {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-dark);
}
.contact-info__item a,
.contact-info__item p {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--color-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-2xl);
  padding-bottom: var(--spacing-2xl);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer__brand img {
  height: 36px;
  width: auto;
  margin-bottom: var(--spacing-sm);
  filter: brightness(0) invert(1);
}
.footer__brand p {
  font-size: var(--font-size-sm);
  line-height: 1.7;
  max-width: 300px;
}

.footer__links h4 {
  color: var(--color-white);
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.footer__links a {
  display: block;
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.6);
  padding: 0.25rem 0;
  transition: color var(--transition);
}
.footer__links a:hover {
  color: var(--color-white);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--spacing-lg);
  font-size: var(--font-size-sm);
}

.footer__social {
  display: flex;
  gap: var(--spacing-sm);
}
.footer__social a {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  transition: all var(--transition);
}
.footer__social a:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero__subtitle {
    margin-left: auto;
    margin-right: auto;
  }
  .hero__actions {
    justify-content: center;
  }
  .hero__visual {
    order: -1;
  }
  .hero__mockup {
    max-width: 440px;
  }

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

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

@media (max-width: 768px) {
  :root {
    --font-size-4xl: 2rem;
    --font-size-3xl: 1.625rem;
    --font-size-2xl: 1.25rem;
  }

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

  .header__nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-lg);
  }
  .header__nav.open {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  .header__nav a {
    padding: var(--spacing-xs) 0;
  }
  .header__menu-btn {
    display: flex;
  }

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

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

  .contact__grid {
    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;
  }

  .cta__actions {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .hero__actions {
    flex-direction: column;
    align-items: center;
  }
  .btn--lg {
    padding: 0.75rem 1.5rem;
    font-size: var(--font-size-base);
  }
}