/* ===== Hero ===== */
.hero {
  background: var(--color-gradient);
  padding-top: calc(var(--nav-height) + var(--space-16));
  padding-bottom: var(--space-16);
  overflow: hidden;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: var(--space-12);
}

.hero__title {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-on-dark);
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-6);
  max-width: 640px;
}

.hero__subtitle {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.85);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-8);
  max-width: 540px;
}

.hero__cta-wrapper {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.hero__cta {
  flex-direction: column;
  padding: var(--space-4) var(--space-8);
}

.hero__media {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.hero__qr {
  width: 180px;
  height: 180px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  background: var(--color-white);
  padding: var(--space-3);
}

.hero__qr-label {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.7);
  font-weight: var(--font-weight-medium);
}

/* ===== Case Studies Carousel ===== */
.case-studies {
  background: var(--color-white);
  padding-block: var(--space-16);
}

.carousel {
  position: relative;
  overflow: hidden;
  width: 100%;
}

.carousel__track {
  display: flex;
  transition: transform 500ms cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
  width: 100%;
}

.carousel__slide {
  flex: 0 0 100%;
  min-width: 0;
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--space-8);
  align-items: center;
  padding: var(--space-4);
  width: 100%;
}

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

.phone-mockup {
  width: 280px;
  height: auto;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
  border: 3px solid var(--color-gray-200);
}

/* Phone mockup chat simulation */
.phone-chat {
  width: 280px;
  background: #ECE5DD;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 3px solid var(--color-gray-200);
}

.phone-chat__header {
  background: #075E54;
  color: white;
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
}

.phone-chat__header-time {
  font-size: var(--font-size-xs);
  margin-right: auto;
}

.phone-chat__avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
}

.phone-chat__messages {
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-height: 320px;
  max-height: 380px;
  overflow: hidden;
}

.chat-bubble {
  max-width: 85%;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-lg);
  font-size: 0.75rem;
  line-height: 1.4;
  word-wrap: break-word;
}

.chat-bubble--user {
  background: #DCF8C6;
  align-self: flex-end;
  border-bottom-right-radius: var(--radius-sm);
}

.chat-bubble--bot {
  background: var(--color-white);
  align-self: flex-start;
  border-bottom-left-radius: var(--radius-sm);
}

.chat-bubble__time {
  font-size: 0.625rem;
  color: var(--color-text-muted);
  text-align: right;
  margin-top: 2px;
}

.phone-chat__input {
  background: #F0F0F0;
  padding: var(--space-2) var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.phone-chat__input-field {
  flex: 1;
  background: var(--color-white);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-3);
}

.carousel__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.carousel__btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-600);
  background: var(--color-gray-100);
  transition: background var(--transition-base), color var(--transition-base);
}

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

.carousel__btn svg {
  width: 20px;
  height: 20px;
}

.carousel__dots {
  display: flex;
  gap: var(--space-2);
}

.carousel__dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  background: var(--color-gray-300);
  border: none;
  cursor: pointer;
  transition: background var(--transition-base), transform var(--transition-base);
}

.carousel__dot--active {
  background: var(--color-primary);
  transform: scale(1.3);
}

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

.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

/* ===== How It Works ===== */
.how-it-works {
  background: var(--color-white);
}

.how-it-works .section-header {
  margin-bottom: var(--space-16);
}

.flow {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: var(--space-2);
  flex-wrap: nowrap;
}

.flow__step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  text-align: center;
  flex: 0 0 auto;
  max-width: 130px;
}

.flow__number {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-1);
}

.flow__icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
}

.flow__icon svg {
  width: 28px;
  height: 28px;
}

.flow__label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-heading);
}

.flow__desc {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  line-height: var(--line-height-normal);
}

.flow__connector {
  display: flex;
  align-items: center;
  padding-top: var(--space-8);
  color: var(--color-gray-300);
}

.flow__connector svg {
  width: 20px;
  height: 20px;
}

/* How It Works - Detail Cards */
.how-it-works__details {
  margin-top: var(--space-16);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.step-card {
  background: var(--color-gray-50);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  border: 1px solid var(--color-gray-200);
}

.step-card__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.step-card__number {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  flex-shrink: 0;
}

.step-card__title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-heading);
}

.step-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-3);
}

.step-card__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.step-card__list li {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  padding-left: var(--space-5);
  position: relative;
  line-height: var(--line-height-relaxed);
}

.step-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
}

/* ===== FAQ ===== */
.faq {
  background: var(--color-gray-50);
}

/* ===== CTA Section ===== */
.cta-section {
  background: var(--color-gradient);
  color: var(--color-text-on-dark);
}

.cta-section__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-12);
  text-align: center;
  flex-direction: column;
}

.cta-section__title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-4);
}

.cta-section__desc {
  font-size: var(--font-size-lg);
  opacity: 0.85;
  line-height: var(--line-height-relaxed);
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: var(--space-8);
}

.cta-section__actions {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  justify-content: center;
}

.cta-section__qr {
  width: 160px;
  height: 160px;
  border-radius: var(--radius-lg);
  background: var(--color-white);
  padding: var(--space-3);
  box-shadow: var(--shadow-lg);
}

.cta-section__note {
  font-size: var(--font-size-sm);
  opacity: 0.7;
  margin-top: var(--space-4);
}

/* ===== Footer ===== */
.footer {
  background: var(--color-gray-900);
  color: rgba(255, 255, 255, 0.7);
  padding-block: var(--space-10);
}

.footer__inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

.footer__logo {
  display: flex;
  justify-content: center;
}

.footer__logo-img {
  height: 28px;
  width: auto;
  filter: brightness(0) invert(1);
}

.footer__links {
  display: flex;
  gap: var(--space-4);
  align-items: center;
}

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

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

.footer__divider {
  color: rgba(255, 255, 255, 0.3);
}

.footer__registration {
  font-size: var(--font-size-xs);
  max-width: 500px;
  line-height: var(--line-height-relaxed);
}

.footer__copyright {
  font-size: var(--font-size-xs);
}