/* ============================================
   IURI BARBOSA - TREINADOR DE POWERLIFTING
   Design System & Landing Page Styles
   ============================================ */

/* ---- CSS Custom Properties ---- */
:root {
  /* Colors */
  --color-bg: #0a0a0a;
  --color-bg-alt: #111111;
  --color-bg-card: #151515;
  --color-surface: #1a1a1a;
  --color-border: #252525;
  --color-border-light: #333333;

  --color-text: #f0f0f0;
  --color-text-secondary: #999999;
  --color-text-muted: #666666;

  --color-accent: #c8a84e;        /* Gold from logo */
  --color-accent-dark: #a68a3a;
  --color-accent-light: #dfc06a;

  --color-white: #ffffff;
  --color-black: #000000;

  /* Typography */
  --font-display: 'Oswald', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Container */
  --container-max: 1200px;
  --container-padding: 1.25rem;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* Header */
  --header-height: 64px;

  /* Editorial Utilities */
  --radius-sm: 2px;
  --radius-md: 4px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 1rem);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-wrap: break-word;
  word-wrap: break-word;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
  color: inherit;
}

ul, ol {
  list-style: none;
}

/* ---- Accessibility: Focus ---- */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* ---- Reduced Motion ---- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html {
    scroll-behavior: auto;
  }
}

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

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: normal;
  text-align: center;
  line-height: 1.3;
  min-height: 48px;
}

.btn-accent {
  background-color: var(--color-accent);
  color: var(--color-black);
}

.btn-accent:hover {
  background-color: var(--color-accent-light);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border-light);
}

.btn-outline:hover {
  border-color: var(--color-text);
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-black);
}

.btn-primary:hover {
  background-color: var(--color-accent-light);
}

.btn-lg {
  padding: 1.125rem 2.5rem;
  font-size: 1.0625rem;
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.site-header.scrolled {
  background-color: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  transition: opacity var(--transition-fast);
}

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

.header-logo-img {
  width: 36px;
  height: 36px;
  border-radius: 6px;
  object-fit: cover;
}

.header-logo-text {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--color-text);
}

.header-nav {
  display: none;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

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

.header-cta {
  display: none;
  padding: 0.625rem 1.25rem;
  font-size: 0.8125rem;
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
}

.hamburger-line {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-text);
  transition: all var(--transition-base);
}

.mobile-menu-btn.active .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu Open State */
.header-nav.open {
  display: flex;
  flex-direction: column;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(10, 10, 10, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 2rem var(--container-padding);
  gap: 0;
  z-index: 99;
  animation: fadeIn 200ms ease;
}

.header-nav.open .nav-link {
  font-size: 1.25rem;
  font-family: var(--font-display);
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Desktop breakpoint */
@media (min-width: 768px) {
  .header-nav {
    display: flex;
  }
  .header-cta {
    display: inline-flex;
  }
  .mobile-menu-btn {
    display: none;
  }
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--header-height) + var(--space-xl));
  padding-bottom: 0;
  overflow: hidden;
  background-color: var(--color-bg);
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  height: 100%;
}

.hero-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  z-index: 1;
}

.eyebrow {
  display: inline-block;
  align-self: flex-start;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-bg);
  background-color: var(--color-accent);
  margin-bottom: var(--space-lg);
  padding: 0.25rem 0.5rem;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 700;
  line-height: 1.05;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: var(--space-lg);
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2xl);
  max-width: 520px;
}

.hero-ctas {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

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

.hero-footer-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-lg);
}

.hero-micro {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-xs);
}

.hero-sbd-labels {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.05em;
}

.hero-sbd-labels span {
  display: flex;
  align-items: center;
}
.hero-sbd-labels span:not(:last-child)::after {
  content: "/";
  margin-left: var(--space-md);
  color: var(--color-border);
}

.hero-image-wrapper {
  position: relative;
  margin-left: calc(-1 * var(--container-padding));
  margin-right: calc(-1 * var(--container-padding));
  aspect-ratio: 16/9;
  overflow: hidden;
  border-radius: 0;
  box-shadow: none;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 75%;
  filter: grayscale(20%) contrast(1.1);
}

@media (max-width: 430px) {
  .hero-img {
    object-position: center 70%;
  }
}

@media (max-width: 390px) {
  .hero-img {
    object-position: center 65%;
  }
}

@media (min-width: 480px) {
  .hero-ctas {
    flex-direction: row;
  }
  .hero-ctas .btn {
    width: auto;
  }
}

@media (min-width: 1024px) {
  .hero {
    padding-top: var(--header-height);
    padding-bottom: 0;
  }
  .hero-container {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: var(--space-4xl);
  }
  .hero-image-wrapper {
    height: calc(100vh - var(--header-height));
    aspect-ratio: auto;
    width: 100%;
    margin-left: 0;
    margin-right: calc(-50vw + 50%); /* bleed right */
  }
  .hero-img {
    object-position: center 30%;
  }
}

/* ============================================
   SECTION BASE
   ============================================ */
.section {
  padding: var(--space-4xl) 0;
}

.section-dark {
  background-color: var(--color-bg);
}

.section-alt {
  background-color: var(--color-bg-alt);
}

.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.625rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.15;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: var(--space-lg);
  max-width: 700px;
}

.section-intro {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin-bottom: var(--space-2xl);
}

/* ============================================
   PROBLEM SECTION
   ============================================ */
.problem-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.problem-card {
  padding: var(--space-xl);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  transition: border-color var(--transition-base);
}

.problem-card:hover {
  border-color: var(--color-border-light);
}

.problem-number {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
  opacity: 0.3;
  margin-bottom: var(--space-sm);
  line-height: 1;
}

.problem-card h3 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.problem-card p {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

@media (min-width: 768px) {
  .problem-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* ============================================
   AUDIENCE SECTION
   ============================================ */
.audience-list {
  display: flex;
  flex-direction: column;
}

.audience-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--color-border);
}

.audience-item:first-child {
  border-top: 1px solid var(--color-border);
}

.audience-number {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}

.audience-content h3 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
  line-height: 1.2;
}

.audience-content p {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

@media (min-width: 768px) {
  .audience-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 var(--space-4xl);
  }
  .audience-item {
    padding: var(--space-xl) 0;
  }
  .audience-item:nth-child(1),
  .audience-item:nth-child(2) {
    border-top: 1px solid var(--color-border);
  }
}

/* ============================================
   SERVICE SECTION (O Que Você Recebe)
   ============================================ */
.consultoria-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
}

.consultoria-header-col .section-title {
  margin-bottom: var(--space-xl);
}

.service-cta-wrapper {
  margin-top: var(--space-lg);
}

.service-cta-micro {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: var(--space-sm);
}

.service-list {
  display: flex;
  flex-direction: column;
}

.service-list-item {
  display: flex;
  flex-direction: column;
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--color-border);
}

.service-list-item:last-child {
  border-bottom: 1px solid var(--color-border);
}

.service-number {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.service-content h3 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
  letter-spacing: 0.02em;
}

.service-content p {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

@media (min-width: 1024px) {
  .consultoria-container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-4xl);
  }
  .consultoria-header-col {
    position: sticky;
    top: calc(var(--header-height) + var(--space-4xl));
    align-self: start;
  }
  .service-list-item {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--space-xl);
  }
  .service-list-item:first-child {
    border-top: none;
    padding-top: 0;
  }
  .service-number {
    font-size: 1.5rem;
    margin-bottom: 0;
    min-width: 40px;
  }
}

/* ============================================
   PROCESS / HOW IT WORKS
   ============================================ */
.process-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

.process-step {
  position: relative;
  padding-left: var(--space-2xl);
}

.process-number {
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1px var(--color-accent);
  line-height: 1;
}

.process-line {
  position: absolute;
  left: 0.75rem;
  top: 2rem;
  bottom: -1.5rem;
  width: 1px;
  background-color: var(--color-border);
}

.process-step:last-child .process-line {
  display: none;
}

.process-step h3 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.process-step p {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

@media (min-width: 768px) {
  .process-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
  }
  .process-step {
    padding-left: 0;
    padding-top: var(--space-2xl);
  }
  .process-number {
    position: relative;
    margin-bottom: var(--space-md);
  }
  .process-line {
    position: absolute;
    left: 2rem;
    top: 0.75rem;
    bottom: auto;
    right: -0.75rem;
    width: auto;
    height: 1px;
  }
  .process-step:last-child .process-line {
    display: none;
  }
}

/* ============================================
   LIFTS SECTION (SBD)
   ============================================ */
.section-lifts {
  background-color: var(--color-bg);
}

.lifts-editorial {
  display: flex;
  flex-direction: column;
  gap: var(--space-4xl);
  margin-top: var(--space-4xl);
}

.lift-editorial-item {
  position: relative;
  display: flex;
  flex-direction: column;
}

.lift-editorial-number {
  font-family: var(--font-display);
  font-size: 10rem;
  font-weight: 700;
  line-height: 0.8;
  color: var(--color-surface);
  position: absolute;
  top: -20px;
  left: -10px;
  z-index: 0;
  user-select: none;
}

.lift-editorial-content {
  position: relative;
  z-index: 1;
  padding-top: var(--space-xl);
}

.lift-editorial-name {
  font-family: var(--font-display);
  font-size: clamp(3rem, 10vw, 6rem);
  font-weight: 700;
  text-transform: uppercase;
  line-height: 1;
  color: var(--color-text);
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

.lift-editorial-content p {
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  max-width: 500px;
  border-left: 2px solid var(--color-accent);
  padding-left: var(--space-md);
}

@media (min-width: 768px) {
  .lifts-editorial {
    gap: var(--space-5xl);
  }
  .lift-editorial-item {
    align-items: flex-start;
  }
  .lift-editorial-item:nth-child(even) {
    align-items: flex-end;
  }
  .lift-editorial-item:nth-child(even) .lift-editorial-number {
    left: auto;
    right: -20px;
  }
  .lift-editorial-item:nth-child(even) .lift-editorial-content p {
    text-align: right;
    border-left: none;
    border-right: 2px solid var(--color-accent);
    padding-left: 0;
    padding-right: var(--space-md);
  }
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.section-about {
  background-color: var(--color-bg);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.about-image-wrapper {
  position: relative;
  width: 100%;
}

.about-image {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: center top;
  filter: grayscale(15%) contrast(1.1);
}

.about-name-block {
  margin-bottom: var(--space-xl);
}

.about-name-huge {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 12vw, 7rem);
  font-weight: 700;
  line-height: 0.9;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
  letter-spacing: -0.02em;
}

.about-role {
  display: block;
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.about-content p {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-md);
  max-width: 500px;
}

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
}

.tag {
  padding: 0.375rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-accent);
  border: 1px solid rgba(200, 168, 78, 0.25);
  border-radius: 2px;
}

@media (min-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-5xl);
  }
  .about-image-wrapper {
    max-width: 500px;
  }
  .about-name-huge {
    margin-left: -120px;
    position: relative;
    z-index: 10;
  }
}

/* ============================================
   CONSULTORIA ONLINE
   ============================================ */
.section-consultoria {
  background-color: var(--color-bg);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.consultoria-container-editorial {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
}

.consultoria-text {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-xl);
}

.consultoria-list {
  margin-bottom: var(--space-xl);
}

.consultoria-list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 1rem;
  color: var(--color-text);
  margin-bottom: var(--space-md);
  line-height: 1.6;
  font-weight: 500;
}

.consultoria-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 6px;
  height: 6px;
  background-color: var(--color-accent);
  border-radius: 1px;
}

@media (min-width: 1024px) {
  .consultoria-container-editorial {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-5xl);
  }
}

/* =============================================
   PRESENCIAL SECTION
   ============================================ */
.section-presencial {
  background-color: var(--color-bg);
}

.presencial-inner {
  max-width: 680px;
}

.presencial-inner p {
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-xl);
}

/* ============================================
   RESULTS / SOCIAL PROOF
   ============================================ */
.results-container {
  text-align: center;
}

.results-container .section-title {
  margin-left: auto;
  margin-right: auto;
}

.results-container .section-intro {
  margin-left: auto;
  margin-right: auto;
}

.results-container .section-label {
  display: block;
}

/* ============================================
   FAQ
   ============================================ */
.faq-list {
  max-width: 720px;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-lg) 0;
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  gap: var(--space-md);
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-icon {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  position: relative;
}

.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  background-color: var(--color-text-secondary);
  transition: transform var(--transition-base);
}

.faq-icon::before {
  width: 100%;
  height: 2px;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
}

.faq-icon::after {
  width: 2px;
  height: 100%;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
}

details[open] .faq-icon::after {
  transform: translateX(-50%) rotate(90deg);
  opacity: 0;
}

.faq-answer {
  padding-bottom: var(--space-lg);
}

.faq-answer p {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ============================================
   CTA FINAL
   ============================================ */
.section-cta-final {
  background-color: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  padding: var(--space-5xl) 0;
}

.cta-final-inner {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.cta-final-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: var(--space-md);
  line-height: 1;
  letter-spacing: -0.02em;
}

.cta-final-text {
  font-size: 1.0625rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2xl);
  line-height: 1.6;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background-color: var(--color-bg);
  border-top: 1px solid var(--color-border);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
}

.footer-brand {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.footer-logo {
  width: 44px;
  height: 44px;
  border-radius: 6px;
  object-fit: cover;
  flex-shrink: 0;
}

.footer-name {
  display: block;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-text);
}

.footer-role {
  display: block;
  font-size: 0.8125rem;
  color: var(--color-accent);
  margin-top: 2px;
}

.footer-location {
  display: block;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
}

.footer-social {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.footer-social:hover {
  color: var(--color-accent);
}

.footer-social svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.footer-bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-md);
}

.footer-bottom p {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.footer-credit {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.footer-credit:hover {
  color: var(--color-accent);
}

/* ============================================
   MOBILE STICKY CTA
   ============================================ */
.mobile-sticky-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  padding: var(--space-sm) var(--container-padding);
  background-color: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--color-border);
  transform: translateY(100%);
  transition: transform var(--transition-base);
}

.mobile-sticky-cta.visible {
  transform: translateY(0);
}

.mobile-sticky-btn {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
}

@media (max-width: 767px) {
  .mobile-sticky-cta {
    display: block;
  }
  /* Add padding to footer to account for sticky CTA */
  .site-footer {
    padding-bottom: calc(var(--space-xl) + 60px);
  }
}

/* ============================================
   RESPONSIVE: TABLET
   ============================================ */
@media (min-width: 768px) {
  :root {
    --container-padding: 2rem;
  }

  .section {
    padding: var(--space-5xl) 0;
  }
}

/* ============================================
   RESPONSIVE: DESKTOP
   ============================================ */
@media (min-width: 1024px) {
  :root {
    --container-padding: 2.5rem;
  }
}

/* ============================================
   UTILITY: GRAIN TEXTURE (subtle)
   ============================================ */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px 256px;
}

/* ============================================
   FADE-IN ANIMATIONS (Scroll triggered)
   ============================================ */
.fade-target {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-target.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.problem-card.fade-target:nth-child(2),
.audience-card.fade-target:nth-child(2),
.lift-card.fade-target:nth-child(2),
.process-step.fade-target:nth-child(2) {
  transition-delay: 0.1s;
}

.problem-card.fade-target:nth-child(3),
.audience-card.fade-target:nth-child(3),
.lift-card.fade-target:nth-child(3),
.process-step.fade-target:nth-child(3) {
  transition-delay: 0.2s;
}

.problem-card.fade-target:nth-child(4),
.audience-card.fade-target:nth-child(4),
.process-step.fade-target:nth-child(4) {
  transition-delay: 0.3s;
}

/* ============================================
   PRICING SECTION
   ============================================ */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-4xl);
}

.pricing-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: border-color var(--transition-base);
}

.pricing-card:hover {
  border-color: var(--color-border-light);
}

.pricing-card-featured {
  border: 1px solid var(--color-accent);
  background-color: var(--color-bg-alt);
}

.pricing-card-featured:hover {
  border-color: var(--color-accent-light);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-accent);
  color: var(--color-bg);
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 12px;
  border-radius: 100px;
  white-space: nowrap;
}

.pricing-name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: var(--space-md);
  text-align: center;
}

.pricing-price {
  text-align: center;
  margin-bottom: var(--space-xs);
  display: flex;
  justify-content: center;
  align-items: baseline;
  gap: 4px;
}

.pricing-price .installments {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

.pricing-price .currency {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
}

.pricing-price .value {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1;
}

.pricing-price .period {
  font-size: 1rem;
  color: var(--color-text-secondary);
}

.pricing-total {
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
  min-height: 1.25rem; /* Space reservation so cards align */
}

.pricing-desc {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  text-align: center;
  margin-bottom: var(--space-xl);
  flex-grow: 1;
}

.btn-pricing {
  width: 100%;
}

.pricing-help {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
  padding: var(--space-xl);
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 4px;
}

.pricing-help-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.pricing-help-text {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-lg);
}

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

  .pricing-card-featured {
    transform: scale(1.05);
  }
  
  .pricing-card-featured:hover {
    transform: scale(1.05) translateY(-4px);
  }
}

/* ============================================
   BLOG & ARTICLE SYSTEM
   ============================================ */
.blog-hub {
  padding: var(--space-4xl) 0;
}

.blog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

.blog-card {
  display: block;
  padding: var(--space-xl);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  transition: all var(--transition-base);
}

.blog-card:hover {
  background-color: var(--color-bg-card);
  border-color: var(--color-border-light);
  transform: translateY(-2px);
}

.blog-card-meta {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}

.blog-card-meta span {
  display: inline-block;
}

.blog-card-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.blog-card-desc {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

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

/* --- Article Layout --- */
.article-header {
  padding: calc(var(--header-height) + var(--space-3xl)) 0 var(--space-2xl);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-3xl);
}

.article-container {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.breadcrumb {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.breadcrumb a {
  color: var(--color-accent);
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--color-accent-light);
}

.article-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

.article-meta {
  display: flex;
  gap: var(--space-md);
  align-items: center;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.article-content {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

.article-content h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text);
  text-transform: uppercase;
  margin: var(--space-3xl) 0 var(--space-md);
  line-height: 1.2;
}

.article-content h3 {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--color-text);
  margin: var(--space-2xl) 0 var(--space-sm);
}

.article-content p {
  margin-bottom: var(--space-lg);
}

.article-content strong {
  color: var(--color-text);
  font-weight: 600;
}

.article-content ul, .article-content ol {
  margin-bottom: var(--space-lg);
  padding-left: var(--space-xl);
}

.article-content li {
  margin-bottom: var(--space-xs);
}

.article-content a:not(.btn) {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

.article-content a:not(.btn):hover {
  color: var(--color-accent-light);
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-xl);
  font-size: 0.9375rem;
  overflow-x: auto;
  display: block;
}

.article-content th, .article-content td {
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  text-align: left;
}

.article-content th {
  background-color: var(--color-surface);
  color: var(--color-text);
  font-weight: 600;
}

.article-cta-box {
  margin: var(--space-3xl) 0;
  padding: var(--space-xl);
  background-color: var(--color-surface);
  border-left: 3px solid var(--color-accent);
  border-radius: 4px;
}

.article-cta-box h3 {
  margin-top: 0;
  margin-bottom: var(--space-sm);
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--color-text);
  text-transform: uppercase;
}

.article-cta-box p {
  margin-bottom: var(--space-md);
}

/* --- Related Posts --- */
.related-posts {
  padding: var(--space-4xl) 0;
  background-color: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-4xl);
}

.related-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: var(--space-xl);
  text-align: center;
}