/**
 * NineKeys - Section Styles
 *
 * Estilos específicos para cada seção da landing page:
 * - Header
 * - Hero
 * - Método (9 pontos)
 * - Cases
 * - Manifesto
 * - Contato
 * - Footer
 */

/* ========== SITE HEADER ========== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #000000;
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) 0;
  min-height: 64px;
  position: relative;
}

.logo-link {
  display: flex;
  align-items: center;
  transition: opacity var(--transition-fast);
}

.logo-link:hover {
  opacity: 0.8;
}

.logo {
  height: 32px;
  width: auto;
}

.nav {
  display: flex;
  gap: var(--space-6);
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 0;
  background: transparent;
  color: var(--color-text-main);
  cursor: pointer;
}

.nav-toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.nav-toggle-icon {
  width: 20px;
  height: 20px;
  display: block;
  filter: brightness(0.85);
}

.nav-mobile {
  display: none;
  position: absolute;
  top: calc(100% + var(--space-3));
  right: 0;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-4);
  min-width: 180px;
  border-radius: 16px;
  border: 1px solid var(--color-border);
  background: #0b0b0b;
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.45);
}

.nav-mobile[hidden] {
  display: none;
}

.nav-mobile .nav-link {
  padding: var(--space-2) 0;
}

.nav-link {
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  color: var(--color-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-primary);
  transition: width var(--transition-fast);
}

.nav-link:hover::after {
  width: 100%;
}

/* Mobile: Show hamburger menu */
@media (max-width: 639px) {
  .nav-desktop {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-mobile:not([hidden]) {
    display: flex;
  }

  .logo {
    height: 28px;
  }
}

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

.hero {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #000000;
  position: relative;
  padding: var(--space-16) 0;
}

.hero-inner {
  display: grid;
  gap: var(--space-8);
  grid-template-columns: 1.0fr 1.0fr;
  align-items: center;
  justify-content: center;
  /* min-height: calc(100vh - 64px); Subtract header height */
}

.hero-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: left;
  max-width: 600px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.hero-mark {
  height: auto;
  width: 120px;
  margin-bottom: var(--space-3);
}

.hero-title {
  font-family: var(--font-secondary);
  font-size: var(--text-4xl); 
  font-weight: var(--font-bold);
  color: var(--color-text-main);
  margin-bottom: var(--space-4);
  letter-spacing: -0.01em;
}

.hero-subtitle {
  font-size: var(--text-lg);
  font-weight: var(--font-regular);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-8);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  gap: var(--space-4);
  justify-content: flex-start;
  flex-wrap: wrap;
  margin-top: var(--space-6);
}

.hero-visual {
  /* Placeholder for future visual element */
  min-height: 400px;
  /* background: linear-gradient(135deg, rgba(200, 162, 74, 0.1) 0%, transparent 100%); */
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
}

/* Tablet and below: Single column layout */
@media (max-width: 1023px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .hero-visual {
    min-height: 300px;
    display: flex;
    justify-content: center;
  }
}

/* Mobile: Adjust spacing and CTA layout */
@media (max-width: 639px) {
  .hero-inner {
    /* min-height: calc(100vh - 56px); Smaller header on mobile */
  }

  .hero-title {
    font-size: var(--text-3xl);
  }

  .hero-subtitle {
    font-size: var(--text-base);
  }

  .hero-cta {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }

  .hero-cta .btn {
    width: 100%;
  }

  .hero-visual {
    display: none; /* Hide visual on mobile to save space */
  }
}

/* ========== MÉTODO SECTION ========== */

.method {
  background: var(--color-secondary);
  padding: var(--space-16) 0;
}

.method-intro {
  text-align: center;
  margin-bottom: var(--space-12);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.method-layout {
  display: flex;
  gap: var(--space-8);
  align-items: center;
}

.manifest-visual {
  min-height: 500px;
  border-radius: var(--radius-lg);
  position: sticky;
  top: calc(64px + var(--space-4));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.manifest-visual video {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  display: block;
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

/* Method Cards (Desktop) */
.method-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.method-card-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-3);
  object-fit: cover;
  aspect-ratio: 16 / 9;
}

.method-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: var(--color-primary);
}

.method-card-title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--color-primary);
  margin-bottom: var(--space-1);
  line-height: 1.3;
}

.method-card-summary {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  flex-grow: 1;
}

.method-card-btn {
  align-self: flex-start;
  margin-top: auto;
}

/* Accordion (Mobile) - Hidden by default */
.accordion-item {
  display: none;
  border-bottom: 1px solid var(--color-border);
}

.accordion-header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: transparent;
  border: none;
  color: var(--color-text-main);
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  font-family: var(--font-primary);
  cursor: pointer;
  padding: var(--space-4) 0;
  text-align: left;
  transition: color var(--transition-fast);
}

.accordion-header:hover {
  color: var(--color-primary);
}

.accordion-title {
  flex: 1;
  padding-right: var(--space-4);
}

.accordion-icon {
  font-size: var(--text-2xl);
  color: var(--color-primary);
  font-weight: var(--font-regular);
  line-height: 1;
  transition: transform var(--transition-fast);
}

.accordion-header[aria-expanded="true"] .accordion-icon {
  transform: rotate(45deg);
}

.accordion-body {
  padding-bottom: var(--space-4);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* Tablet: 2 columns */
@media (max-width: 1279px) and (min-width: 1024px) {
  .method-layout {
    grid-template-columns: 1fr;
  }

  .manifest-visual {
    display: none;
  }

  .method-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Tablet: Single column layout */
@media (max-width: 1023px) and (min-width: 640px) {
  .method-layout {
    grid-template-columns: 1fr;
  }

  .manifest-visual {
    display: none;
  }

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

/* Mobile: Switch to accordion */
@media (max-width: 639px) {
  .method-layout {
    display: flex;
    flex-direction: column;
    width: 100%;
  }

  .manifest-visual {
    display: none;
  }

  .method-grid {
    display: flex;
    flex-direction: column;
    width: 90%;
  }

  .method-card {
    display: none;
  }

  .accordion-item {
    display: block;
  }

  .accordion-item:first-of-type {
    border-top: 1px solid var(--color-border);
  }
}

/* ========== CASES SECTION ========== */

.cases {
  background: var(--color-background);
  padding: var(--space-16) 0;
}

.cases-intro {
  text-align: center;
  margin-bottom: var(--space-12);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Carousel Container */
.carousel {
  position: relative;
  margin: 0 auto;
  max-width: 100%;
  padding: 0 var(--space-12);
}

.carousel-container {
  overflow: hidden;
  margin: 0 auto;
}

.carousel-track {
  display: flex;
  gap: var(--space-6);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* IE/Edge */
  padding: var(--space-2) 0;
}

.carousel-track::-webkit-scrollbar {
  display: none; /* Chrome/Safari */
}

/* Case Card */
.case-card {
  flex: 0 0 min(550px, 90vw);
  scroll-snap-align: start;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-fast);
}

.case-header{
  gap: 5px;
}

.case-content{
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.case-card:hover {
  box-shadow: var(--shadow-md);
}

/* Video */
.case-video {
  width: 100%;
  max-width: 550px;
  margin-bottom: var(--space-6);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-background);
  aspect-ratio: 16 / 9;
}

.case-video-iframe {

  height: auto;
  border: none;
}

/* Before/After Images */
.case-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.case-video-player{
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-image-wrapper {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

.case-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-image-label {
  position: absolute;
  bottom: var(--space-2);
  left: var(--space-2);
  background: rgba(10, 10, 12, 0.8);
  color: var(--color-text-on-dark);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Case Text */
.case-text {
  color: var(--color-text-secondary);
}

.case-title{
  font-size: 1.35rem;
}

.case-text-item {
  font-size: var(--text-sm);
  line-height: 1.6;
  margin-bottom: var(--space-3);
}

.case-results-title {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--color-text-main);
  margin-bottom: var(--space-3);
}

.case-results-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.case-result-item {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  padding-left: var(--space-6);
  position: relative;
  margin-bottom: var(--space-2);
  line-height: 1.6;
}

.case-result-item::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: var(--font-bold);
}

/* Carousel Arrows */
.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  font-size: var(--text-3xl);
  color: var(--color-text-main);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.carousel-arrow:hover:not(:disabled) {
  background: var(--color-primary);
  color: var(--color-background);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.carousel-arrow:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.carousel-prev {
  left: 0;
}

.carousel-next {
  right: 0;
}

/* Carousel Dots */
.carousel-dots {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-8);
  margin-bottom: var(--space-8);
}

.carousel-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-border);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  padding: 0;
}

.carousel-dot:hover {
  background: var(--color-text-secondary);
}

.carousel-dot.active {
  background: var(--color-primary);
  width: 32px;
  border-radius: 6px;
}

/* Cases CTA */
.cases-cta {
  text-align: center;
  margin-top: var(--space-8);
}

/* Mobile adjustments */
@media (max-width: 639px) {
  .carousel {
    padding: 0 var(--space-4);
  }

  .carousel-arrow {
    width: 40px;
    height: 40px;
    font-size: var(--text-2xl);
  }

  .case-card {
    flex: 0 0 min(450px, 85vw);
    padding: var(--space-4);
  }

  .case-video {
    max-height: 450px;
  }

  .case-video-iframe {
    height: 500px;
  }

  .case-images {
    gap: var(--space-2);
  }

  .carousel-dots {
    margin-top: var(--space-6);
    margin-bottom: var(--space-6);
  }
}

/* Hide arrows on very small screens */
@media (max-width: 479px) {
  .carousel-arrow {
    display: none;
  }

  .carousel {
    padding: 0;
  }
}

/* ========== MANIFESTO SECTION ========== */

.manifesto {
  background: var(--color-surface-strong);
  padding: var(--space-16) 0;
}

.manifesto-content {
  margin: 0 auto;
}

.manifesto-title {
  margin-bottom: var(--space-8);
  text-align: center;
}

.manifesto-body {
  margin-top: var(--space-8);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: start;
}

.manifesto-body .manifest-visual {
  position: sticky;
  top: calc(64px + var(--space-4));
}

.manifesto-text-wrapper {
  display: flex;
  flex-direction: column;
  max-width: 600px;
}

.manifesto-text {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-3);
  text-align: left;
  max-width: 600px;
}

.manifesto-text:last-child {
  margin-bottom: 0;
}

/* Responsive adjustments */
@media (max-width: 1023px) {
  .manifesto-body {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .manifesto-body .manifest-visual {
    position: relative;
    top: 0;
    max-width: 600px;
    margin: 0 auto;
  }
}

@media (max-width: 639px) {
  .manifesto {
    padding: var(--space-12) 0;
  }

  .manifesto-body {
    gap: var(--space-6);
  }

  .manifesto-body .manifest-visual {
    display: none;
  }

  .manifesto-text {
    font-size: var(--text-sm);
    line-height: 1.6;
  }
}

/* ========== CONTACT SECTION ========== */

.contact {
  background: var(--color-background);
  padding: var(--space-16) 0;
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
}

/* Left Column - Copy */
.contact-copy {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.section-title{
  font-family: var(--font-secondary);
  font-size: var(--text-3xl); 
  font-weight: var(--font-bold);
  color: var(--color-text-main);
  margin-bottom: var(--space-4);
  letter-spacing: -0.01em;
}

.contact-copy .section-title {
  text-align: left;
  margin-bottom: 0;
}

.contact-copy .section-subtitle {
  text-align: left;
  margin-bottom: var(--space-4);
}

/* Right Column - Form */
.contact-form {
  display: grid;
  gap: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.form-label {
  display: grid;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-main);
}

.form-label-text {
  display: block;
}

.input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  color: var(--color-text-main);
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  font-family: var(--font-body);
}

.input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(169, 128, 90, 0.1);
}

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

.contact-form button[type="submit"] {
  margin-top: var(--space-2);
  justify-self: start;
  width: 100%;
  padding: 5px 0px;
  font-size: 15px;
}

.contact-form button[type="submit"]:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.form-message {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  min-height: 1.5em;
  margin: 0;
  padding: var(--space-2) 0;
}

/* Responsive adjustments */
@media (max-width: 1023px) {
  .contact-inner {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .contact-copy .section-title,
  .contact-copy .section-subtitle {
    text-align: center;
  }

  .contact-copy .btn {
    align-self: center;
  }
}

@media (max-width: 639px) {
  .contact {
    padding: var(--space-12) 0;
  }

  .contact-form {
    padding: var(--space-6);
  }

  .input {
    font-size: var(--text-sm);
    padding: var(--space-3);
  }
}

/* ========== FOOTER ========== */

.footer {
  background: var(--color-background);
  border-top: 1px solid var(--color-border);
  padding: var(--space-12) 0 var(--space-6) 0;
}

.footer-inner {
  display: grid;
  gap: var(--space-3);
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.footer-tagline {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--color-text-main);
  margin-bottom: var(--space-2);
}

.footer-contact {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin: 0;
}

.footer-link {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  text-decoration: underline;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-primary);
}

.footer-copyright {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  margin-top: var(--space-4);
}

/* Floating WhatsApp Button */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-10);
  right: var(--space-6);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  padding: 0;
  border-radius: var(--radius-full);
  text-decoration: none;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-fast);
}

.whatsapp-float:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.whatsapp-float-icon {
  display: block;
  width: 56px;
  height: 56px;
}

/* Responsive adjustments */
@media (max-width: 639px) {
  .footer {
    padding: var(--space-8) 0 var(--space-4) 0;
  }

  .footer-inner {
    gap: var(--space-2);
  }

  .footer-tagline {
    font-size: var(--text-sm);
  }

  .whatsapp-float {
    bottom: var(--space-4);
    right: var(--space-4);
  }

  .whatsapp-float-icon {
    width: 48px;
    height: 48px;
  }
}

/* ========== UTILITY CLASSES ========== */

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

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

/* ========== MODAL ========== */

.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.modal[aria-hidden="false"] {
  display: flex;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 12, 0.85);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  cursor: pointer;
}

.modal-content {
  position: relative;
  max-width: 640px;
  width: 100%;
  background: var(--color-surface-strong);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  z-index: 1001;
  max-height: 80vh;
  overflow-y: auto;
  animation: modalFadeIn var(--transition-base);
}

@keyframes modalFadeIn {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(-20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.modal-title {
  font-family: var(--font-secondary);
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--color-primary);
  margin: 0 0 var(--space-3) 0;
  line-height: 1.3;
}

.modal-close {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--color-text-secondary);
  font-size: var(--text-2xl);
  line-height: 1;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: rgba(200, 162, 74, 0.1);
  color: var(--color-primary);
}

.modal-close:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.modal-body {
  padding: var(--space-6);
}

.modal-video {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
  object-fit: cover;
  aspect-ratio: 16 / 9;
  display: block;
}

.modal-body p {
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin: 0;
}

/* Mobile modal adjustments */
@media (max-width: 639px) {
  .modal {
    padding: var(--space-2);
  }

  .modal-content {
    max-height: 90vh;
  }

  .modal-header {
    padding: var(--space-4);
  }

  .modal-title {
    font-size: var(--text-lg);
  }

  .modal-body {
    padding: var(--space-4);
  }
}