/* =============================================
   ValidateX — Premium Dark UI
   Font: Syne (headings) + DM Sans (body)
   Theme: Deep navy with electric blue accents
============================================= */

:root {
  --bg-deep:     #050c18;
  --bg-dark:     #0a1628;
  --bg-card:     #0f1f35;
  --bg-card-2:   #132540;
  --border:      rgba(56, 189, 248, 0.12);
  --accent:      #38bdf8;
  --accent-glow: rgba(56, 189, 248, 0.25);
  --accent-dim:  rgba(56, 189, 248, 0.6);
  --text-white:  #f0f6ff;
  --text-muted:  #7b9bb5;
  --text-dim:    #4a6580;
  --green:       #34d399;
  --radius:      14px;
  --radius-lg:   20px;
  --transition:  0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html, body {
  height: 100%;
  overflow: hidden;
}

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg-deep);
  color: var(--text-white);
  font-size: 15px;
}

/* =============================================
   NAVBAR
============================================= */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 48px;
  background: rgba(5, 12, 24, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: 'Syne', sans-serif;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text-white);
}

.nav-logo span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  transition: color 0.2s;
}

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

.nav-linkedin {
  display: flex !important;
  align-items: center;
  gap: 6px;
  background: var(--bg-card) !important;
  border: 1px solid var(--border) !important;
  color: var(--accent) !important;
  padding: 6px 13px;
  border-radius: 8px;
  font-size: 12px !important;
  transition: all 0.2s !important;
}

.nav-linkedin:hover {
  background: var(--accent-glow) !important;
  border-color: var(--accent) !important;
}

/* =============================================
   SLIDES ENGINE
============================================= */
.slides-wrapper {
  position: fixed;
  top: 62px;
  left: 0;
  right: 0;
  bottom: 64px;
  overflow: hidden;
}

.slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateX(60px);
  transition: opacity var(--transition), transform var(--transition);
  pointer-events: none;
  overflow-y: auto;
}

.slide.active {
  opacity: 1;
  transform: translateX(0);
  pointer-events: all;
}

.slide.exit-left {
  opacity: 0;
  transform: translateX(-60px);
}

.slide-inner {
  width: 100%;
  max-width: 900px;
  padding: 24px 36px;
  margin: 0 auto;
}

/* =============================================
   BACKGROUND ARTS
============================================= */
.slide-bg-art {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: -1;
}

.hero-art::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -120px;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(56,189,248,0.12) 0%, transparent 70%);
  border-radius: 50%;
}

.problem-art::before {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -100px;
  width: 440px;
  height: 440px;
  background: radial-gradient(circle, rgba(239,68,68,0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-art::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(56,189,248,0.07) 0%, transparent 65%);
  border-radius: 50%;
}

/* =============================================
   SECTION LABELS & TITLES
============================================= */
.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}

.section-title {
  font-family: 'Syne', sans-serif;
  font-size: 32px;
  font-weight: 800;
  line-height: 1.18;
  color: var(--text-white);
  margin-bottom: 24px;
  letter-spacing: -0.5px;
}

/* =============================================
   HERO SLIDE
============================================= */
.hero-slide {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 10px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(56,189,248,0.1);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 6px 16px;
  font-size: 12px;
  color: var(--accent-dim);
  margin-bottom: 20px;
  font-weight: 500;
  letter-spacing: 0.3px;
}

.hero-title {
  font-family: 'Syne', sans-serif;
  font-size: 44px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1.5px;
  color: var(--text-white);
  margin-bottom: 16px;
}

.accent {
  color: var(--accent);
  position: relative;
}

.accent::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
  border-radius: 2px;
}

.hero-sub {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 28px;
  font-weight: 300;
}

.hero-meta {
  margin-top: 12px;
  font-size: 12px;
  color: var(--text-dim);
}

/* =============================================
   BUTTONS
============================================= */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #030d1a;
  padding: 12px 26px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 700;
  font-family: 'DM Sans', sans-serif;
  text-decoration: none;
  transition: all 0.25s;
  letter-spacing: 0.2px;
}

.btn-primary:hover {
  background: #7dd3fc;
  transform: translateY(-2px);
}

.btn-primary.glow {
  box-shadow: 0 0 32px var(--accent-glow), 0 4px 20px rgba(0,0,0,0.4);
}

.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 2px solid var(--green);
  color: var(--green);
  padding: 11px 24px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  font-family: 'DM Sans', sans-serif;
  text-decoration: none;
  transition: all 0.25s;
}

.btn-whatsapp:hover {
  background: rgba(52, 211, 153, 0.1);
  transform: translateY(-2px);
}

.btn-linkedin {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(56,189,248,0.1);
  border: 1px solid var(--border);
  color: var(--accent);
  padding: 8px 18px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
  margin-top: 12px;
}

.btn-linkedin:hover {
  background: var(--accent-glow);
  border-color: var(--accent);
}

/* =============================================
   CARDS & GRIDS
============================================= */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
}

.mt-40 { margin-top: 24px; }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  transition: border-color 0.25s, transform 0.25s;
}

.card:hover {
  border-color: rgba(56, 189, 248, 0.3);
  transform: translateY(-3px);
}

.icon-card {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.icon {
  font-size: 24px;
  margin-bottom: 2px;
}

.icon-card h3 {
  font-family: 'Syne', sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-white);
}

.icon-card p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.55;
}

/* FEATURE CARDS */
.feature-card {
  position: relative;
  padding: 20px 22px;
}

.feat-num {
  font-family: 'Syne', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--accent);
  margin-bottom: 8px;
}

.feature-card h3 {
  font-family: 'Syne', sans-serif;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
}

.feature-card p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.55;
}

/* MINI CARDS */
.mini-card {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 16px;
}

.mini-icon {
  font-size: 16px;
  flex-shrink: 0;
}

.mini-card p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* =============================================
   PROBLEM / STAT
============================================= */
.problem-stat {
  display: flex;
  align-items: center;
  gap: 28px;
  background: var(--bg-card);
  border: 1px solid rgba(239,68,68,0.2);
  border-radius: var(--radius-lg);
  padding: 24px 30px;
}

.big-number {
  font-family: 'Syne', sans-serif;
  font-size: 68px;
  font-weight: 800;
  color: #f87171;
  line-height: 1;
  letter-spacing: -4px;
  flex-shrink: 0;
}

.big-number span {
  font-size: 40px;
  letter-spacing: -2px;
}

.stat-desc {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.65;
}

/* =============================================
   PROCESS STEPS
============================================= */
.process-steps {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.step {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 15px 18px;
  transition: border-color 0.2s, transform 0.2s;
}

.step:hover {
  border-color: rgba(56,189,248,0.3);
  transform: translateY(-2px);
}

.step-num {
  width: 30px;
  height: 30px;
  min-width: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-glow);
  border: 1px solid var(--border);
  border-radius: 50%;
  font-family: 'Syne', sans-serif;
  font-size: 13px;
  font-weight: 800;
  color: var(--accent);
}

.step-body h4 {
  font-family: 'Syne', sans-serif;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text-white);
}

.step-body p {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* =============================================
   ABOUT
============================================= */
.about-layout {
  display: flex;
  gap: 36px;
  align-items: flex-start;
}

.about-avatar {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
  min-width: 150px;
}

.avatar-ring {
  width: 104px;
  height: 104px;
  border-radius: 50%;
  padding: 3px;
  background: linear-gradient(135deg, var(--accent), #0ea5e9);
  margin-bottom: 10px;
}

.avatar-ring img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  display: block;
}

.avatar-name {
  font-family: 'Syne', sans-serif;
  font-size: 16px;
  font-weight: 700;
  text-align: center;
}

.avatar-role {
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
  margin-top: 3px;
}

.about-content {
  flex: 1;
}

.about-bio {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}

.proof-cards {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.proof-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 11px 15px;
}

.proof-icon {
  font-size: 15px;
  flex-shrink: 0;
  margin-top: 1px;
}

.proof-item p {
  font-size: 13px;
  color: var(--text-muted);
}

/* =============================================
   CTA SLIDE
============================================= */
.cta-slide {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.cta-title {
  margin-bottom: 14px;
}

.cta-desc {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 20px;
}

.cta-badge {
  display: inline-flex;
  background: rgba(250,204,21,0.08);
  border: 1px solid rgba(250,204,21,0.2);
  color: #fbbf24;
  border-radius: 50px;
  padding: 6px 18px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 24px;
  letter-spacing: 0.4px;
}

.cta-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 24px;
}

.contact-row {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  color: var(--text-muted);
}

.contact-row a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}

.contact-row a:hover {
  color: #7dd3fc;
}

/* =============================================
   SLIDE NAV
============================================= */
.slide-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  background: rgba(5, 12, 24, 0.92);
  backdrop-filter: blur(14px);
  border-top: 1px solid var(--border);
  z-index: 100;
}

.nav-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-white);
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 22px;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 0.3px;
}

.nav-btn:hover:not(:disabled) {
  background: var(--accent-glow);
  border-color: var(--accent);
  color: var(--accent);
}

.nav-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.slide-dots {
  display: flex;
  align-items: center;
  gap: 7px;
}

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-dim);
  cursor: pointer;
  transition: all 0.25s;
  border: none;
  padding: 0;
}

.dot.active {
  background: var(--accent);
  width: 20px;
  border-radius: 4px;
  box-shadow: 0 0 10px var(--accent-glow);
}

/* =============================================
   FOOTER
============================================= */
.footer {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  text-align: center;
  padding: 10px;
  font-size: 12px;
  color: var(--text-dim);
  background: var(--bg-deep);
}

.footer a {
  color: var(--accent);
  text-decoration: none;
}

/* =============================================
   SCROLLBAR
============================================= */
.slide::-webkit-scrollbar {
  width: 4px;
}
.slide::-webkit-scrollbar-track {
  background: transparent;
}
.slide::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}
/* =============================================
   CASE STUDIES PAGE
============================================= */

.case-container {
  padding: 40px;
}

.case-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 20px;
}

.case-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: 0.3s;
}

.case-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}

.case-card h3 {
  font-family: 'Syne', sans-serif;
  margin-bottom: 10px;
}

.case-card p {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

/* CTA small text */
.cta-note {
  margin-top: 10px;
  color: var(--text-muted);
  font-size: 13px;
}