/* ==========================================================================
   SECTIONS — Landing Page Layout Sections
   ========================================================================== 
   Contains custom styles for all layout divisions.
   Includes Hero, Trust Bar, How It Works, Features (with Tab switcher), 
   Security, Pricing grid, FAQ layout, Blog Preview, and Footer.
   ========================================================================== */

/* -----------------------------------------------------------------------
   HERO SECTION (#hero)
   ----------------------------------------------------------------------- */

.hero {
  background-color: var(--fa-color-brand-navy);
  background-image: var(--fa-gradient-hero);
  min-height: 100vh;
  padding-top: 140px; /* Offset for sticky nav */
  padding-bottom: 100px;
  color: var(--fa-color-text-inverse);
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: var(--fa-space-48);
  position: relative;
  z-index: 2;
}

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

.hero__badge {
  margin-bottom: var(--fa-space-20);
}

.hero__title {
  color: var(--fa-color-text-inverse);
  font-size: var(--fa-size-h1);
  line-height: var(--fa-lh-h1);
  letter-spacing: var(--fa-ls-h1);
  margin-bottom: var(--fa-space-24);
}

.hero__accent {
  color: var(--fa-color-dot-teal);
  background-image: var(--fa-gradient-brand-growth);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero__subtitle {
  color: rgba(255, 255, 255, 0.75);
  font-size: 18px;
  line-height: 1.65;
  margin-bottom: var(--fa-space-32);
  max-width: 540px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--fa-space-16);
  margin-bottom: var(--fa-space-24);
}

.hero__meta {
  font-size: var(--fa-size-body-sm);
  color: rgba(255, 255, 255, 0.45);
}

.hero__mockup-container {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

/* 3D perspective for tilt effect */
.hero__mockup {
  perspective: 1000px;
  position: relative;
  z-index: 3;
}

/* Decorative background orbs behind the phone */
.hero__orbs {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}

.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.12;
}

.hero__orb--1 {
  width: 300px;
  height: 300px;
  background: var(--fa-gradient-orb-blue);
  top: -10%;
  left: -10%;
}

.hero__orb--2 {
  width: 250px;
  height: 250px;
  background: var(--fa-gradient-orb-teal);
  bottom: 0%;
  right: -10%;
}

.hero__orb--3 {
  width: 200px;
  height: 200px;
  background: var(--fa-gradient-orb-green);
  top: 40%;
  left: 20%;
}

.hero__orb--4 {
  width: 180px;
  height: 180px;
  background: var(--fa-gradient-orb-gold);
  bottom: -20%;
  left: -20%;
}

@media (min-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--fa-space-64);
  }
  .hero__title {
    font-size: 64px;
  }
}

/* -----------------------------------------------------------------------
   TRUST BAR SECTION (#trust)
   ----------------------------------------------------------------------- */

.trust-bar-section {
  padding-top: 0;
  padding-bottom: 0;
}

.trust-bar {
  background-color: var(--fa-color-surface-1);
  border-radius: var(--fa-radius-lg);
  padding: var(--fa-space-32);
  box-shadow: var(--fa-shadow-lg);
  margin-top: -50px;
  position: relative;
  z-index: 10;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--fa-space-24);
}

.trust-bar__item {
  display: flex;
  align-items: center;
  gap: var(--fa-space-16);
}

.trust-bar__icon-wrapper {
  width: 52px;
  height: 52px;
  border-radius: var(--fa-radius-full);
  background-color: var(--fa-color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.trust-bar__icon {
  width: 24px;
  height: 24px;
  stroke: var(--fa-color-primary);
  stroke-width: 2;
  fill: none;
}

.trust-bar__item--ai .trust-bar__icon-wrapper {
  background-color: var(--fa-color-ai-light);
}

.trust-bar__item--ai .trust-bar__icon {
  stroke: var(--fa-color-ai);
}

.trust-bar__content {
  display: flex;
  flex-direction: column;
}

.trust-bar__title {
  font-family: var(--fa-font-display);
  font-size: var(--fa-size-h6);
  font-weight: 700;
  color: var(--fa-color-text-primary);
  margin-bottom: 2px;
}

.trust-bar__desc {
  font-size: var(--fa-size-body-sm);
  color: var(--fa-color-text-secondary);
}

@media (min-width: 600px) {
  .trust-bar {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .trust-bar {
    grid-template-columns: repeat(4, 1fr);
    padding: var(--fa-space-32) var(--fa-space-48);
  }
}

/* -----------------------------------------------------------------------
   HOW IT WORKS (#how-it-works)
   ----------------------------------------------------------------------- */

.how-it-works {
  background-color: var(--fa-color-surface-0);
  text-align: center;
}

.how-it-works__grid {
  position: relative;
  margin-top: var(--fa-space-64);
}

.how-it-works__step {
  background-color: var(--fa-color-surface-1);
  padding: var(--fa-space-40) var(--fa-space-32);
  border-radius: var(--fa-radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 2;
}

.how-it-works__icon-container {
  width: 80px;
  height: 80px;
  border-radius: var(--fa-radius-lg);
  background-color: var(--fa-color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--fa-space-24);
  color: var(--fa-color-primary);
}

.how-it-works__number {
  position: absolute;
  top: var(--fa-space-20);
  left: var(--fa-space-20);
  width: 32px;
  height: 32px;
  border-radius: var(--fa-radius-full);
  background-color: var(--fa-color-primary);
  color: var(--fa-color-text-inverse);
  font-family: var(--fa-font-display);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fa-size-body-sm);
}

.how-it-works__title {
  font-size: var(--fa-size-h5);
  font-weight: 700;
  margin-bottom: var(--fa-space-12);
}

.how-it-works__desc {
  font-size: var(--fa-size-body-md);
  color: var(--fa-color-text-secondary);
  line-height: 1.6;
}

/* Connecting line between steps on desktop */
@media (min-width: 768px) {
  .how-it-works__grid::before {
    content: '';
    position: absolute;
    top: 80px;
    left: 15%;
    right: 15%;
    height: 2px;
    border-top: 2px dashed var(--fa-color-text-tertiary);
    z-index: 1;
    opacity: 0.5;
  }
}

/* -----------------------------------------------------------------------
   FEATURES WITH DEMO SECTION (#features)
   ----------------------------------------------------------------------- */

.features {
  background-color: var(--fa-color-surface-1);
}

.features__tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--fa-space-8);
  margin-bottom: var(--fa-space-48);
}

.demo-tab {
  padding: 12px 24px;
  border-radius: var(--fa-radius-full);
  font-family: var(--fa-font-body);
  font-size: var(--fa-size-body-md);
  font-weight: 600;
  background-color: var(--fa-color-surface-2);
  color: var(--fa-color-text-secondary);
  transition: all var(--fa-motion-fast) ease;
}

.demo-tab:hover {
  background-color: var(--fa-color-surface-3);
  color: var(--fa-color-text-primary);
}

.demo-tab--active {
  background-color: var(--fa-color-primary);
  color: var(--fa-color-text-inverse) !important;
}

.features__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--fa-space-48);
  align-items: center;
}

.features__info-container {
  position: relative;
}

.features__info {
  display: none;
}

.features__info--active {
  display: block;
}

.features__info-title {
  margin-bottom: var(--fa-space-16);
}

.features__info-desc {
  font-size: 17px;
  color: var(--fa-color-text-secondary);
  line-height: 1.65;
  margin-bottom: var(--fa-space-24);
}

.features__bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--fa-space-12);
}

.features__bullet {
  display: flex;
  align-items: center;
  gap: var(--fa-space-12);
  font-size: var(--fa-size-body-md);
  color: var(--fa-color-text-primary);
}

.features__bullet-icon {
  width: 20px;
  height: 20px;
  stroke: var(--fa-color-success);
  stroke-width: 2.5;
  fill: none;
}

.features__info[data-feature='ai'] .features__bullet-icon {
  stroke: var(--fa-color-ai);
}

.features__demo-container {
  display: flex;
  justify-content: center;
  align-items: center;
}

@media (min-width: 768px) {
  .features__layout {
    grid-template-columns: 1fr 1fr;
    gap: var(--fa-space-64);
  }
}

/* -----------------------------------------------------------------------
   SECURITY SECTION (#security)
   ----------------------------------------------------------------------- */

.security {
  background-color: var(--fa-color-brand-navy);
  color: var(--fa-color-text-inverse);
  text-align: center;
}

.security__header {
  margin-bottom: var(--fa-space-64);
}

.security__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--fa-space-24);
}

.security__card {
  background-color: rgba(255, 255, 255, 0.04);
  border-radius: var(--fa-radius-lg);
  padding: var(--fa-space-32);
  text-align: left;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: transform var(--fa-motion-normal) var(--fa-ease-out),
              background-color var(--fa-motion-normal) ease;
}

.security__card:hover {
  transform: translateY(-2px);
  background-color: rgba(255, 255, 255, 0.07);
}

.security__icon-wrapper {
  width: 56px;
  height: 56px;
  border-radius: var(--fa-radius-md);
  background-color: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--fa-color-text-inverse);
  margin-bottom: var(--fa-space-24);
}

.security__card-title {
  color: var(--fa-color-text-inverse);
  font-size: var(--fa-size-h5);
  font-weight: 700;
  margin-bottom: var(--fa-space-12);
}

.security__card-desc {
  font-size: var(--fa-size-body-md);
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
}

@media (min-width: 768px) {
  .security__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* -----------------------------------------------------------------------
   PRICING SECTION (#pricing)
   ----------------------------------------------------------------------- */

.pricing {
  background-color: var(--fa-color-surface-0);
  text-align: center;
}

.pricing__toggle-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--fa-space-16);
  margin-top: var(--fa-space-24);
  margin-bottom: var(--fa-space-48);
}

.pricing__toggle-label {
  font-size: var(--fa-size-body-md);
  font-weight: 600;
  color: var(--fa-color-text-secondary);
  transition: color var(--fa-motion-fast) ease;
}

.pricing__toggle-label--active {
  color: var(--fa-color-text-primary);
}

.pricing__switch {
  position: relative;
  display: inline-block;
  width: 52px;
  height: 28px;
}

.pricing__switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.pricing__slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--fa-color-surface-3);
  transition: .3s;
  border-radius: 34px;
}

.pricing__slider:before {
  position: absolute;
  content: "";
  height: 20px;
  width: 20px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  transition: .3s;
  border-radius: 50%;
}

input:checked + .pricing__slider {
  background-color: var(--fa-color-primary);
}

input:checked + .pricing__slider:before {
  transform: translateX(24px);
}

.pricing__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--fa-space-32);
  align-items: stretch;
}

.pricing__plan-name {
  font-size: var(--fa-size-h4);
  font-weight: 800;
  margin-bottom: var(--fa-space-8);
}

.pricing__plan-desc {
  font-size: var(--fa-size-body-sm);
  color: var(--fa-color-text-secondary);
  margin-bottom: var(--fa-space-24);
  min-height: 40px;
}

.pricing__plan-price-wrapper {
  display: flex;
  align-items: baseline;
  margin-bottom: var(--fa-space-24);
}

.pricing__price {
  font-family: var(--fa-font-display);
  font-size: 48px;
  font-weight: 900;
  color: var(--fa-color-text-primary);
  letter-spacing: -1px;
  transition: opacity 120ms var(--fa-ease-out), transform 120ms var(--fa-ease-out);
}
.pricing__price--swap {
  opacity: 0;
  transform: translateY(-6px);
}

.pricing__period {
  font-size: var(--fa-size-body-md);
  color: var(--fa-color-text-tertiary);
  margin-left: var(--fa-space-8);
}

.pricing__plan-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--fa-space-12);
  margin-bottom: var(--fa-space-32);
  flex-grow: 1;
}

.pricing__feature-item {
  display: flex;
  align-items: center;
  gap: var(--fa-space-12);
  font-size: var(--fa-size-body-md);
  color: var(--fa-color-text-primary);
  text-align: left;
}

.pricing__feature-item--unavailable {
  color: var(--fa-color-text-tertiary);
}

.pricing__feature-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.pricing__feature-icon--check {
  stroke: var(--fa-color-success);
  stroke-width: 2.5;
  fill: none;
}

.pricing__feature-icon--x {
  stroke: var(--fa-color-text-tertiary);
  stroke-width: 2;
  fill: none;
}

.pricing__plan-cta {
  width: 100%;
}

.pricing__featured-badge {
  position: absolute;
  top: 16px;
  right: 16px;
}

@media (min-width: 768px) {
  .pricing__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* -----------------------------------------------------------------------
   FAQ SECTION (#faq)
   ----------------------------------------------------------------------- */

.faq {
  background-color: var(--fa-color-surface-1);
}

.faq__container {
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* -----------------------------------------------------------------------
   BLOG PREVIEW SECTION (#blog)
   ----------------------------------------------------------------------- */

.blog-preview {
  background-color: var(--fa-color-surface-0);
}

.blog-preview__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: var(--fa-space-48);
}

.blog-preview__link {
  font-weight: 600;
  font-size: var(--fa-size-body-md);
  display: flex;
  align-items: center;
  gap: var(--fa-space-8);
}

.blog-preview__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--fa-space-24);
}

.blog-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 240px;
  background-size: cover;
  background-position: center;
  position: relative;
  z-index: 1;
}

.blog-card__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(15, 23, 42, 0.4) 0%, rgba(15, 23, 42, 0.95) 100%);
  z-index: -1;
  border-radius: var(--fa-radius-xl);
}

.blog-card--large {
  grid-row: span 2;
  min-height: 504px;
}

.blog-card__top {
  padding: var(--fa-space-24);
}

.blog-card__bottom {
  padding: var(--fa-space-24) var(--fa-space-32) var(--fa-space-32);
}

.blog-card__title {
  color: var(--fa-color-text-inverse);
  font-size: var(--fa-size-h4);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--fa-space-12);
}

.blog-card--large .blog-card__title {
  font-size: var(--fa-size-h3);
}

.blog-card__excerpt {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--fa-size-body-md);
  margin-bottom: var(--fa-space-20);
  display: none;
}

.blog-card--large .blog-card__excerpt {
  display: block;
}

.blog-card__meta {
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--fa-size-body-sm);
  font-weight: 500;
}

@media (min-width: 768px) {
  .blog-preview__grid {
    grid-template-columns: 1.2fr 0.8fr;
  }
}

/* -----------------------------------------------------------------------
   FINAL CTA SECTION (#download)
   ----------------------------------------------------------------------- */

.final-cta {
  background-color: var(--fa-color-primary);
  background-image: var(--fa-gradient-cta);
  color: var(--fa-color-text-inverse);
  text-align: center;
  padding: var(--fa-space-96) 0;
}

.final-cta__title {
  color: var(--fa-color-text-inverse);
  font-size: var(--fa-size-h2);
  font-weight: 900;
  margin-bottom: var(--fa-space-16);
}

.final-cta__subtitle {
  color: rgba(255, 255, 255, 0.8);
  font-size: 18px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--fa-space-40);
}

.final-cta__actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--fa-space-16);
}

.final-cta__badge-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--fa-space-16);
}

.final-cta__qr {
  width: 100px;
  height: 100px;
  background-color: white;
  padding: var(--fa-space-8);
  border-radius: var(--fa-radius-md);
  box-shadow: var(--fa-shadow-md);
}

.final-cta__qr-img {
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
}

.final-cta__meta {
  font-size: var(--fa-size-body-sm);
  color: rgba(255, 255, 255, 0.5);
}

/* -----------------------------------------------------------------------
   SITE FOOTER (#footer)
   ----------------------------------------------------------------------- */

.site-footer {
  background-color: var(--fa-color-dark-void);
  color: rgba(255, 255, 255, 0.6);
  padding: var(--fa-space-80) 0 var(--fa-space-32);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--fa-space-48);
  margin-bottom: var(--fa-space-64);
}

.site-footer__brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.site-footer__logo {
  display: flex;
  align-items: center;
  gap: var(--fa-space-12);
  font-family: var(--fa-font-display);
  font-size: var(--fa-size-h4);
  font-weight: 800;
  color: var(--fa-color-text-inverse);
  text-decoration: none;
  margin-bottom: var(--fa-space-16);
}

.site-footer__tagline {
  font-size: var(--fa-size-body-md);
  line-height: 1.6;
  max-width: 260px;
}

.site-footer__col-title {
  font-family: var(--fa-font-display);
  font-size: var(--fa-size-body-sm);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--fa-color-text-inverse);
  letter-spacing: var(--fa-ls-label);
  margin-bottom: var(--fa-space-24);
}

.site-footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--fa-space-12);
}

.site-footer__links a {
  font-size: var(--fa-size-body-md);
  color: rgba(255, 255, 255, 0.6);
}

.site-footer__links a:hover {
  color: var(--fa-color-text-inverse);
}

.site-footer__contact {
  font-size: var(--fa-size-body-md);
  display: flex;
  flex-direction: column;
  gap: var(--fa-space-12);
}

.site-footer__contact-item {
  display: flex;
  align-items: center;
  gap: var(--fa-space-8);
}

.site-footer__contact-icon {
  width: 18px;
  height: 18px;
}

.site-footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--fa-space-32);
  display: flex;
  flex-direction: column;
  gap: var(--fa-space-16);
  font-size: var(--fa-size-body-sm);
}

.site-footer__bottom-links {
  display: flex;
  gap: var(--fa-space-24);
}

.site-footer__bottom-links a {
  color: rgba(255, 255, 255, 0.4);
}

.site-footer__bottom-links a:hover {
  color: var(--fa-color-text-inverse);
}

@media (min-width: 600px) {
  .site-footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .site-footer__grid {
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
  }
  .site-footer__bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}