/**
 * Estilos específicos da página inicial - XSALT
 * Hero, seções de diferenciais, como funciona, app, CTA.
 */

/* ========== HERO ========== */

.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--header-height) + var(--space-4xl)) var(--space-lg)
    var(--space-4xl);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image: url("../../imgs/slice-hero-bottom.png");
  background-repeat: no-repeat;
  background-position: 50% 100%;
  background-size: auto;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.35),
    rgba(0, 0, 0, 0.2)
  );
  pointer-events: none;
  z-index: 1;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(0, 0, 0, 0.03) 1px, transparent 1px);
  background-size: 20px 20px;
  pointer-events: none;
  z-index: 1;
}

.hero__inner {
  position: relative;
  z-index: 2;
  max-width: var(--container-max-width);
  margin: 0 auto;
  text-align: center;
}

.hero__title {
  margin-bottom: var(--space-md);
  color: #fff;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
}

.hero__title span {
  color: var(--color-secondary);
}

.hero__subtitle {
  font-family: var(--font-secondary);
  font-weight: var(--font-weight-regular);
  font-size: var(--font-size-body);
  line-height: var(--line-height-relaxed);
  color: rgba(255, 255, 255, 0.92);
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.3);
  max-width: 560px;
  margin: 0 auto var(--space-2xl);
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
}

.hero__cta .btn-glass {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
}

.hero__cta .btn-glass:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.6);
}

/* ========== PRODUCT ========== */

.product {
  background: var(--bg-secondary);
}

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

.product__figure {
  margin: 0;
  order: 1;
}

.product__image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.product__content {
  order: 2;
}

.product__title {
  font-size: var(--font-size-h2);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.product__lead {
  font-size: var(--font-size-body);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-lg);
}

.product__text {
  font-size: var(--font-size-body);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-xl);
}

@media (min-width: 768px) {
  .product__showcase {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
  }

  .product__figure {
    order: 0;
  }

  .product__content {
    order: 0;
  }
}

/* ========== SECTION HEADERS ========== */

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

.section__title {
  margin-bottom: var(--space-md);
}

.section__lead {
  font-size: var(--font-size-body);
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto;
}

/* ========== DIFFERENTIALS ========== */

.differentials {
  background: var(--bg-primary);
}

.differentials__grid {
  display: grid;
  gap: var(--space-xl);
  grid-template-columns: 1fr;
}

.differentials__card .card-glass__icon {
  width: 48px;
  height: 48px;
}

@media (min-width: 640px) {
  .differentials__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .differentials__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
  }
}

/* ========== HOW IT WORKS (Timeline) — Dark section ========== */

.how-it-works {
  background: #161b22;
}

.how-it-works .section__title {
  color: #f0f4f8;
}

.how-it-works .section__lead {
  color: rgba(255, 255, 255, 0.7);
}

.how-it-works__timeline {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
}

/* Linha vertical central */
.how-it-works__timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  margin-left: -1px;
  background: linear-gradient(
    to bottom,
    transparent,
    var(--color-primary) 10%,
    var(--color-primary) 90%,
    transparent
  );
  opacity: 0.5;
}

@media (max-width: 767px) {
  .how-it-works__timeline::before {
    left: 20px;
    margin-left: 0;
  }
}

.how-it-works__step {
  position: relative;
  display: grid;
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.how-it-works__step:last-child {
  margin-bottom: 0;
}

/* Mobile: layout vertical com linha à esquerda */
.how-it-works__step {
  grid-template-columns: 40px 1fr;
  padding-left: 0;
}

/* Desktop: passos alternados esquerda/direita */
@media (min-width: 768px) {
  .how-it-works__step {
    display: grid;
    grid-template-columns: 1fr 40px 1fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-3xl);
    min-height: 120px;
  }

  .how-it-works__step--left .how-it-works__content {
    grid-column: 1;
    grid-row: 1;
    text-align: right;
    padding-right: var(--space-lg);
  }

  .how-it-works__step--left .how-it-works__node {
    grid-column: 2;
    grid-row: 1;
  }

  .how-it-works__step--right .how-it-works__content {
    grid-column: 3;
    grid-row: 1;
    text-align: left;
    padding-left: var(--space-lg);
  }

  .how-it-works__step--right .how-it-works__node {
    grid-column: 2;
    grid-row: 1;
  }
}

.how-it-works__node {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  color: #ffffff;
  background: var(--color-primary);
  border: 3px solid #161b22;
  border-radius: var(--radius-full);
  box-shadow: 0 0 0 2px rgba(56, 175, 218, 0.4);
}

.how-it-works__content {
  padding: var(--space-lg) var(--space-xl);
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.how-it-works__step-number {
  display: inline-block;
  margin-bottom: var(--space-sm);
  font-family: var(--font-primary);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-small);
  color: var(--color-primary);
  letter-spacing: 0.05em;
  opacity: 0.95;
}

.how-it-works__step-title {
  margin-bottom: var(--space-sm);
  font-size: var(--font-size-h4);
  color: #f0f4f8;
}

.how-it-works__step-text {
  margin-bottom: 0;
  font-size: var(--font-size-small);
  color: rgba(255, 255, 255, 0.65);
  line-height: var(--line-height-relaxed);
}

/* ========== APP SECTION ========== */

.app-section {
  background: var(--bg-primary);
}

.app-section__content {
  display: grid;
  gap: var(--space-2xl);
  align-items: center;
}

@media (min-width: 1024px) {
  .app-section__content {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
  }
}

.app-section__text .section__title {
  text-align: left;
}

.app-section__lead {
  margin-bottom: var(--space-xl);
  color: var(--text-secondary);
}

.app-section__features {
  list-style: none;
}

.app-section__feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.app-section__feature-icon {
  flex-shrink: 0;
  color: var(--color-primary);
  width: 24px;
  height: 24px;
}

.app-section__feature-text {
  margin-bottom: 0;
  font-size: var(--font-size-body);
}

.app-section__image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-lg);
  max-width: 360px;
  margin: 0 auto;
  box-shadow: var(--shadow-lg);
}

/* ========== TESTIMONIALS ========== */

.testimonials {
  background: var(--bg-primary);
}

.testimonials__grid {
  display: grid;
  gap: var(--space-xl);
  grid-template-columns: 1fr;
}

.testimonials__card {
  display: flex;
  flex-direction: column;
}

.testimonials__quote-icon {
  color: var(--color-primary);
  opacity: 0.8;
  margin-bottom: var(--space-md);
}

.testimonials__quote {
  margin: 0 0 var(--space-lg);
  flex: 1;
}

.testimonials__text {
  font-size: var(--font-size-body);
  line-height: var(--line-height-relaxed);
  color: var(--text-secondary);
  margin: 0;
}

.testimonials__author {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding-top: var(--space-md);
  border-top: 1px solid var(--glass-border);
}

.testimonials__name {
  font-family: var(--font-primary);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-body);
  color: var(--text-primary);
  font-style: normal;
}

.testimonials__role {
  font-size: var(--font-size-small);
  color: var(--text-tertiary);
}

@media (min-width: 640px) {
  .testimonials__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .testimonials__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
  }
}

/* ========== CALCULATOR ========== */

.calculator {
  background: var(--bg-primary);
}

.calculator__wrap {
  display: grid;
  gap: var(--space-xl);
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .calculator__wrap {
    grid-template-columns: 1fr 1fr;
    max-width: 960px;
    margin: 0 auto;
    align-items: start;
  }
}

.calculator__form {
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.calculator__field {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.calculator__label {
  font-family: var(--font-secondary);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
}

.calculator__input {
  padding: var(--space-md);
  font-family: var(--font-secondary);
  font-size: var(--font-size-body);
  color: var(--text-primary);
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast);
}

.calculator__input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.calculator__input::placeholder {
  color: var(--text-tertiary);
}

.calculator__hint {
  font-size: var(--font-size-small);
  color: var(--text-tertiary);
}

.calculator__toggle-group {
  display: flex;
  gap: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  width: fit-content;
}

.calculator__toggle {
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-secondary);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  background: var(--bg-card);
  border: none;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
  line-height: 1;
}

.calculator__toggle:first-child {
  border-right: 1px solid var(--glass-border);
}

.calculator__toggle.is-active {
  background: var(--color-primary);
  color: #fff;
}

.calculator__toggle:hover:not(.is-active) {
  background: var(--bg-secondary);
}

.calculator__submit {
  align-self: center;
  margin-top: var(--space-sm);
}

.calculator__result {
  padding: var(--space-xl);
}

.calculator__result-title {
  font-family: var(--font-primary);
  font-size: var(--font-size-h4);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.calculator__result-body {
  font-size: var(--font-size-body);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
}

.calculator__result-body p {
  margin-bottom: var(--space-md);
}

.calculator__result-body p:last-child {
  margin-bottom: 0;
}

.calculator__result-line,
.calculator__result-model,
.calculator__result-message {
  margin: 0 0 var(--space-md);
}

.calculator__result-model {
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
}

.calculator__result-hint {
  color: var(--text-tertiary);
  font-size: var(--font-size-small);
}

.calculator__error {
  color: var(--color-error);
  margin: 0;
}

.calculator__result-placeholder {
  color: var(--text-tertiary);
  font-size: var(--font-size-body);
  margin: 0;
}

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

.calculator__breakdown .calculator__result-line {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-md);
  margin: 0;
  font-size: var(--font-size-body);
}

.calc-label {
  color: var(--text-tertiary);
  font-size: var(--font-size-small);
  flex-shrink: 0;
}

.calc-value {
  text-align: right;
}

.calc-na {
  color: var(--text-tertiary);
  font-size: var(--font-size-small);
}

.calc-divider {
  border: none;
  border-top: 1px solid var(--glass-border);
  margin: var(--space-xs) 0;
}

.calc-thumb-wrap {
  margin-top: var(--space-lg);
  border-top: 1px solid var(--glass-border);
  padding-top: var(--space-lg);
  display: flex;
  justify-content: center;
}

.calc-thumb {
  max-width: 100%;
  max-height: 180px;
  width: auto;
  height: auto;
  border-radius: var(--radius-md);
  object-fit: contain;
}

/* ========== CALC CONTACT BLOCK ========== */

.calc-contact {
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  text-align: center;
}

.calc-contact__label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
}

.calc-contact__hint {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted, #6b7280);
  margin: 0;
}

.calc-contact__actions {
  width: 100%;
  margin-top: var(--space-xs);
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  gap: var(--space-sm);
}

.calc-contact__link {
  font-size: 0.7rem;
  text-decoration: none;
  flex: 1 1 0;
  min-width: 0;
  max-width: 180px;
  padding-block: 0.45rem;
  padding-inline: 0.65rem;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ========== CTA SECTION ========== */

.cta-section {
  background: var(--bg-secondary);
  text-align: center;
}

.cta-section__title {
  margin-bottom: var(--space-md);
}

.cta-section__text {
  margin-bottom: var(--space-xl);
  color: var(--text-secondary);
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.cta-section__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
}