/* ==========================================================================
   GaiaPos Landing Page — Clean, Professional, Production Design System
   Brand: Gaia Green (#0E8A6D), Pulse Amber (#F59E0B), Obsidian Dark (#0B0E14)
   Font: Alexandria
   ========================================================================== */

:root {
  --color-primary: #0E8A6D;
  --color-primary-hover: #12A180;
  --color-primary-dark: #09614D;
  --color-primary-tint: rgba(14, 138, 109, 0.12);
  --color-primary-border: rgba(14, 138, 109, 0.28);
  
  --color-accent: #F59E0B;
  --color-accent-hover: #D97706;
  --color-accent-tint: rgba(245, 158, 11, 0.12);
  --color-accent-border: rgba(245, 158, 11, 0.28);

  --color-danger: #EF4444;
  --color-danger-bg: rgba(239, 68, 68, 0.08);
  --color-danger-border: rgba(239, 68, 68, 0.2);

  --color-bg: #0B0E14;
  --color-surface: #111622;
  --color-surface-card: #151C28;
  --color-surface-card-hover: #1A2332;
  --color-surface-window: #0D121B;
  
  --color-border: rgba(255, 255, 255, 0.09);
  --color-border-hover: rgba(255, 255, 255, 0.18);
  
  --color-text: #F8FAFC;
  --color-text-secondary: #CBD5E1;
  --color-text-muted: #94A3B8;

  --font-family: 'Alexandria', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 6px 18px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 14px 34px rgba(0, 0, 0, 0.55);

  --transition-fast: 0.15s ease-out;
  --transition-normal: 0.24s ease-out;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-family);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  position: relative;
  min-height: 100vh;
  overflow-x: hidden;
  background-color: var(--color-bg);
}

/* Layout Container */
.container {
  width: 100%;
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: 1.5rem;
  position: relative;
  z-index: 1;
}

/* Typography Utilities */
h1, h2, h3, h4 {
  color: var(--color-text);
  line-height: 1.25;
  font-weight: 700;
}

.text-primary { color: var(--color-primary) !important; }
.text-amber { color: var(--color-accent) !important; }
.text-danger { color: var(--color-danger) !important; }

.svg-icon {
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-family);
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-normal);
  white-space: nowrap;
  user-select: none;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--color-surface-card);
  border-color: var(--color-border);
  color: var(--color-text);
}

.btn-secondary:hover {
  background: var(--color-surface-card-hover);
  border-color: var(--color-border-hover);
  color: #FFFFFF;
  transform: translateY(-1px);
}

.btn-sm {
  padding: 0.45rem 0.95rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 0.8rem 1.65rem;
  font-size: 1rem;
}

.btn-xl {
  padding: 0.95rem 2.25rem;
  font-size: 1.1rem;
  font-weight: 700;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 14, 20, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 1.5rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--color-text);
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: -0.3px;
}

.brand-dot {
  color: var(--color-accent);
}

.logo-img {
  display: block;
  width: 34px;
  height: 34px;
  object-fit: contain;
}

.header-nav {
  display: none;
  align-items: center;
  gap: 1.5rem;
}

@media (min-width: 860px) {
  .header-nav {
    display: flex;
  }
}

.nav-link {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -6px;
  inset-inline: 0;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  opacity: 0;
  transform: scaleX(0);
  transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-text);
}

.nav-link.active::after {
  opacity: 1;
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-lang {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  padding: 0.4rem 0.8rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-lang:hover {
  background: var(--color-surface-card);
  border-color: var(--color-border-hover);
  color: #FFFFFF;
}

.header-cta-btn {
  display: none;
}

@media (min-width: 640px) {
  .header-cta-btn {
    display: inline-flex;
  }
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding-block-start: 4rem;
  padding-block-end: 3.5rem;
  text-align: center;
}

.hero-container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  background: var(--color-primary-tint);
  border: 1px solid var(--color-primary-border);
  color: #34D399;
  font-size: 0.85rem;
  font-weight: 600;
  margin-block-end: 1.5rem;
}

.hero-badge-dot {
  width: 7px;
  height: 7px;
  background: #34D399;
  border-radius: 50%;
}

.hero-title {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.5px;
  color: #F8FAFC;
  max-width: 860px;
  margin-block-end: 1.25rem;
}

.hero-subhead {
  font-size: clamp(1rem, 2.2vw, 1.15rem);
  color: var(--color-text-secondary);
  max-width: 780px;
  line-height: 1.7;
  margin-block-end: 2rem;
}

.hero-cta-group {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  width: 100%;
  max-width: 480px;
  margin-block-end: 1.75rem;
}

@media (min-width: 580px) {
  .hero-cta-group {
    flex-direction: row;
    justify-content: center;
    max-width: none;
  }
}

.hero-trust-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  margin-block-end: 3rem;
}

.trust-tag {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

/* Minimal Window Frame for Real Screenshots */
.hero-preview-wrapper {
  width: 100%;
  max-width: 960px;
  margin-inline: auto;
}

.window-frame {
  background: var(--color-surface-window);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.window-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 1rem;
  background: #090C12;
  border-bottom: 1px solid var(--color-border);
}

.window-dots {
  display: flex;
  gap: 5px;
}

.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}
.dot-red { background: #EF4444; }
.dot-yellow { background: #F59E0B; }
.dot-green { background: #10B981; }

.window-title {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.window-actions {
  width: 32px;
}

.window-body {
  position: relative;
  background: #000000;
  display: block;
}

.screenshot-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* ==========================================================================
   Sections Common
   ========================================================================== */
.section {
  padding-block: 4.5rem;
  position: relative;
  scroll-margin-top: 90px;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin-inline: auto;
  margin-block-end: 3rem;
}

.section-kicker {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-block-end: 0.5rem;
}

.section-title {
  font-size: clamp(1.65rem, 3.2vw, 2.35rem);
  font-weight: 800;
  letter-spacing: -0.4px;
}

/* ==========================================================================
   Pain Points Section
   ========================================================================== */
.problems-section {
  background: rgba(239, 68, 68, 0.02);
  border-top: 1px solid rgba(239, 68, 68, 0.08);
  border-bottom: 1px solid rgba(239, 68, 68, 0.08);
}

.problems-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

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

.problem-card {
  background: var(--color-surface-card);
  border: 1px solid var(--color-danger-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.4rem;
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  transition: border-color var(--transition-fast);
}

.problem-card:hover {
  border-color: rgba(239, 68, 68, 0.4);
}

.problem-icon {
  flex-shrink: 0;
  margin-block-start: 0.15rem;
}

.problem-text {
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
  font-weight: 500;
}

/* ==========================================================================
   Benefits Section
   ========================================================================== */
.benefits-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

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

.benefit-card {
  background: var(--color-surface-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  transition: all var(--transition-normal);
}

.benefit-card:hover {
  border-color: var(--color-border-hover);
  background: var(--color-surface-card-hover);
}

.benefit-icon-wrapper {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-block-end: 0.25rem;
}

.icon-timer,
.icon-billing {
  background: var(--color-primary-tint);
  color: #34D399;
  border: 1px solid var(--color-primary-border);
}

.icon-inventory,
.icon-offline {
  background: var(--color-accent-tint);
  color: #FBBF24;
  border: 1px solid var(--color-accent-border);
}

.benefit-title {
  font-size: 1.25rem;
  font-weight: 700;
}

.benefit-desc {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ==========================================================================
   Product Screenshots Gallery Section
   ========================================================================== */
.screenshots-section {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.screenshots-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

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

.screenshot-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.screenshot-window {
  border-radius: var(--radius-sm);
  background: #090C12;
}

.screenshot-window .screenshot-img {
  transition: transform var(--transition-normal);
}

.screenshot-card:hover .screenshot-img {
  transform: scale(1.02);
}

.screenshot-info {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.screenshot-title {
  font-size: 1.05rem;
  font-weight: 700;
}

.screenshot-desc {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* ==========================================================================
   Social Proof Section
   ========================================================================== */
.testimonial-section {
  padding-block: 4rem;
}

.testimonial-card {
  background: var(--color-surface-card);
  border: 1px solid var(--color-accent-border);
  border-radius: var(--radius-md);
  padding: 2.5rem 1.75rem;
  max-width: 800px;
  margin-inline: auto;
  text-align: center;
  box-shadow: var(--shadow-md);
}

.quote-mark {
  font-size: 3rem;
  line-height: 1;
  color: var(--color-accent);
  opacity: 0.5;
  margin-block-end: -0.75rem;
  font-family: Georgia, serif;
}

.testimonial-quote {
  font-size: clamp(1.1rem, 2.2vw, 1.35rem);
  font-weight: 600;
  line-height: 1.65;
  color: #FFFFFF;
  margin-block-end: 1.75rem;
}

.testimonial-author {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  text-align: start;
}

.author-avatar {
  width: 44px;
  height: 44px;
  background: var(--color-primary);
  color: #FFFFFF;
  font-size: 1.1rem;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.author-info {
  display: flex;
  flex-direction: column;
}

.author-name {
  color: #FFFFFF;
  font-size: 1rem;
}

.author-role {
  color: var(--color-text-muted);
  font-size: 0.82rem;
}

/* ==========================================================================
   Free Trial Section
   ========================================================================== */
.trial-section {
  padding-block: 3.5rem;
}

.trial-box {
  background: var(--color-surface-card);
  border: 1px solid var(--color-primary-border);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 4vw, 3.5rem) 1.5rem;
  text-align: center;
  max-width: 860px;
  margin-inline: auto;
  box-shadow: var(--shadow-md);
}

.trial-title {
  font-size: clamp(1.75rem, 3.5vw, 2.4rem);
  font-weight: 800;
  margin-block-end: 0.85rem;
}

.trial-body {
  color: var(--color-text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
  max-width: 660px;
  margin-inline: auto;
  margin-block-end: 2rem;
}

.trial-actions {
  margin-block-end: 1.25rem;
}

.trial-fineprint {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.faq-container {
  max-width: 740px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.faq-item {
  background: var(--color-surface-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item[open] {
  border-color: var(--color-primary-border);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.15rem 1.35rem;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  user-select: none;
}

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

.faq-question:hover {
  color: #FFFFFF;
}

.faq-chevron {
  color: var(--color-text-muted);
  transition: transform var(--transition-normal);
  flex-shrink: 0;
}

.faq-item[open] .faq-chevron {
  transform: rotate(180deg);
  color: var(--color-primary);
}

.faq-answer {
  padding: 0 1.35rem 1.15rem 1.35rem;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ==========================================================================
   Real Footer
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--color-border);
  background: #080B10;
  padding-block-start: 3.5rem;
  padding-block-end: 2rem;
  margin-block-start: 3.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-block-end: 2.5rem;
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: 1.4fr 1.2fr 1fr;
  }
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.footer-col-brand {
  gap: 0.75rem;
}

.footer-tagline {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
}

.footer-subtext {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.footer-heading {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text);
  margin-block-end: 0.25rem;
}

.footer-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-contact-link,
.footer-contact-text,
.footer-social-link,
.footer-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-contact-link:hover,
.footer-social-link:hover,
.footer-link:hover {
  color: #FFFFFF;
}

.footer-social {
  display: flex;
  gap: 0.75rem;
  margin-block-start: 1rem;
}

.footer-social-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.footer-social-btn:hover {
  color: #FFFFFF;
  border-color: var(--color-primary);
  background: var(--color-primary-tint);
  transform: translateY(-2px);
}

.footer-social-btn[aria-label="WhatsApp"]:hover {
  color: #25D366;
  border-color: rgba(37, 211, 102, 0.4);
  background: rgba(37, 211, 102, 0.12);
}

.footer-bottom {
  padding-block-start: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-copyright {
  font-size: 0.82rem;
  color: var(--color-text-muted);
}