/* ============================================
   INTERNSHIP PRESENTATION – PRAJOT PATIL
   Design: Tech Innovation Theme
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600;700;800;900&family=Inter:wght@300;400;500;600&display=swap');

/* ── CSS VARIABLES ── */
:root {
  --primary: #0A1628;
  --secondary: #1E3A5F;
  --accent: #00D4AA;
  --accent2: #4FC3F7;
  --accent3: #F59E0B;
  --text-light: #E8F4F8;
  --text-muted: #94A3B8;
  --card-bg: rgba(255,255,255,0.05);
  --card-border: rgba(0,212,170,0.2);
  --font-display: 'Montserrat', sans-serif;
  --font-body: 'Inter', sans-serif;
  --slide-w: 100vw;
  --slide-h: 100vh;
}

/* ── RESET & BASE ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  background: var(--primary);
  font-family: var(--font-body);
  color: var(--text-light);
}

/* ── SLIDES CONTAINER ── */
.slides-container {
  width: 100vw; height: 100vh;
  position: relative;
  overflow: hidden;
}

/* ── INDIVIDUAL SLIDE ── */
.slide {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  display: flex;
  flex-direction: column;
  padding: 48px 64px 60px;
  opacity: 0;
  transform: translateX(60px);
  transition: opacity 0.5s ease, transform 0.5s ease;
  pointer-events: none;
  overflow: hidden;
}

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

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

/* ── PROGRESS BAR ── */
.progress-bar-wrap {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: rgba(255,255,255,0.08);
  z-index: 100;
}
.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transition: width 0.4s ease;
}

/* ── SLIDE COUNTER ── */
.slide-counter {
  position: fixed;
  top: 18px; right: 80px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  z-index: 100;
  letter-spacing: 1px;
}

/* ── NAV BUTTONS ── */
.nav-btn {
  position: fixed;
  top: 50%; transform: translateY(-50%);
  width: 48px; height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(0,212,170,0.3);
  background: rgba(10,22,40,0.8);
  color: var(--accent);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  z-index: 100;
  transition: all 0.25s ease;
  backdrop-filter: blur(8px);
}
.nav-btn:hover { background: var(--accent); color: var(--primary); border-color: var(--accent); transform: translateY(-50%) scale(1.1); }
.nav-btn:disabled { opacity: 0.2; cursor: not-allowed; }
.prev-btn { left: 16px; }
.next-btn { right: 16px; }
.nav-btn svg { width: 22px; height: 22px; }

/* ── DOT NAVIGATION ── */
.dot-nav {
  position: fixed;
  bottom: 20px; left: 50%;
  transform: translateX(-50%);
  display: flex; gap: 8px;
  z-index: 100;
}
.dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  cursor: pointer;
  transition: all 0.3s ease;
}
.dot.active { background: var(--accent); width: 24px; border-radius: 4px; }
.dot:hover { background: var(--accent2); }

/* ── SLIDE HEADER ── */
.slide-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
  flex-shrink: 0;
}
.slide-num {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 2px;
  opacity: 0.7;
}
.slide-header h2 {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 800;
  color: var(--text-light);
  letter-spacing: -0.5px;
}
.header-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0.4;
}

/* ============================================
   SLIDE 1 – TITLE
   ============================================ */
.slide-title {
  background: linear-gradient(135deg, #0A1628 0%, #0D2040 50%, #0A1628 100%);
  justify-content: center;
  align-items: center;
  text-align: center;
}

.title-bg-shapes { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.15;
}
.shape-1 { width: 500px; height: 500px; background: var(--accent); top: -150px; left: -100px; }
.shape-2 { width: 400px; height: 400px; background: var(--accent2); bottom: -100px; right: -80px; }
.shape-3 { width: 300px; height: 300px; background: var(--accent3); top: 50%; left: 50%; transform: translate(-50%,-50%); }

.title-content { position: relative; z-index: 2; max-width: 800px; }

.title-badge {
  display: inline-block;
  padding: 6px 20px;
  border: 1px solid var(--accent);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.title-name {
  font-family: var(--font-display);
  font-size: 64px;
  font-weight: 900;
  letter-spacing: -2px;
  background: linear-gradient(135deg, #fff 0%, var(--accent) 60%, var(--accent2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
  margin-bottom: 20px;
}

.title-divider {
  width: 80px; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  margin: 0 auto 28px;
  border-radius: 2px;
}

.title-meta-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(0,212,170,0.15);
  border-radius: 10px;
  padding: 10px 16px;
  backdrop-filter: blur(10px);
}
.meta-item svg { width: 16px; height: 16px; color: var(--accent); flex-shrink: 0; }
.meta-item div { display: flex; flex-direction: column; text-align: left; }
.meta-label { font-size: 10px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }
.meta-value { font-size: 13px; font-weight: 600; color: var(--text-light); }

/* ============================================
   SLIDE 2 – ABOUT
   ============================================ */
.slide-about {
  background: linear-gradient(160deg, #0A1628 0%, #0F2040 100%);
}
.about-content { display: flex; flex-direction: column; gap: 20px; flex: 1; }
.company-logo-block {
  display: flex; flex-direction: column; align-items: center;
  gap: 8px; padding: 24px;
  background: linear-gradient(135deg, rgba(0,212,170,0.1), rgba(79,195,247,0.05));
  border: 1px solid rgba(0,212,170,0.2);
  border-radius: 16px;
}
.company-icon {
  width: 60px; height: 60px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
}
.company-icon svg { width: 30px; height: 30px; color: var(--primary); }
.company-logo-block h3 { font-family: var(--font-display); font-size: 22px; font-weight: 800; color: var(--text-light); }
.company-tagline { font-size: 13px; color: var(--accent); font-weight: 500; }

.about-desc {
  font-size: 15px; line-height: 1.7;
  color: var(--text-muted);
  text-align: center;
  padding: 0 20px;
}
.about-desc strong { color: var(--text-light); }

.about-pillars {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
}
.pillar {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  padding: 16px 12px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  font-size: 12px; font-weight: 600;
  color: var(--text-light);
  text-align: center;
  transition: all 0.3s ease;
}
.pillar:hover { background: rgba(0,212,170,0.1); border-color: var(--accent); transform: translateY(-2px); }
.pillar svg { width: 22px; height: 22px; color: var(--accent); }

/* ============================================
   SLIDE 3 – VISION & MISSION
   ============================================ */
.slide-vm { background: linear-gradient(160deg, #0A1628 0%, #0F2040 100%); }
.vm-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; flex: 1; }
.vm-card {
  padding: 28px;
  border-radius: 16px;
  border: 1px solid;
  display: flex; flex-direction: column; gap: 16px;
}
.vision-card { background: linear-gradient(135deg, rgba(0,212,170,0.08), rgba(0,212,170,0.02)); border-color: rgba(0,212,170,0.3); }
.mission-card { background: linear-gradient(135deg, rgba(79,195,247,0.08), rgba(79,195,247,0.02)); border-color: rgba(79,195,247,0.3); }
.vm-icon {
  width: 48px; height: 48px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
}
.vision-card .vm-icon { background: rgba(0,212,170,0.15); }
.mission-card .vm-icon { background: rgba(79,195,247,0.15); }
.vision-card .vm-icon svg { color: var(--accent); width: 24px; height: 24px; }
.mission-card .vm-icon svg { color: var(--accent2); width: 24px; height: 24px; }
.vm-card h3 { font-family: var(--font-display); font-size: 18px; font-weight: 800; letter-spacing: 1px; text-transform: uppercase; }
.vision-card h3 { color: var(--accent); }
.mission-card h3 { color: var(--accent2); }
.vm-card ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.vm-card ul li {
  font-size: 13.5px; color: var(--text-muted); line-height: 1.5;
  padding-left: 16px; position: relative;
}
.vm-card ul li::before {
  content: '▸';
  position: absolute; left: 0;
  font-size: 10px; top: 3px;
}
.vision-card ul li::before { color: var(--accent); }
.mission-card ul li::before { color: var(--accent2); }

/* ============================================
   SLIDE 4 – SERVICES & HIERARCHY
   ============================================ */
.slide-services { background: linear-gradient(160deg, #0A1628 0%, #0F2040 100%); }
.sh-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; flex: 1; }
.sh-card {
  padding: 24px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
}
.sh-card h3 {
  font-family: var(--font-display); font-size: 15px; font-weight: 700;
  color: var(--accent); margin-bottom: 16px;
  display: flex; align-items: center; gap: 8px;
  text-transform: uppercase; letter-spacing: 1px;
}
.sh-card h3 svg { width: 18px; height: 18px; }
.service-list { display: flex; flex-direction: column; gap: 10px; }
.service-item {
  display: flex; align-items: center; gap: 10px;
  font-size: 13px; color: var(--text-muted);
  padding: 8px 12px;
  background: rgba(255,255,255,0.03);
  border-radius: 8px;
  border-left: 2px solid var(--accent);
}
.service-item svg { width: 14px; height: 14px; color: var(--accent); flex-shrink: 0; }

.hierarchy { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.h-level {
  padding: 8px 20px; border-radius: 8px;
  font-size: 12.5px; font-weight: 600;
  text-align: center; width: 100%;
}
.h-l1 { background: linear-gradient(90deg, var(--accent), var(--accent2)); color: var(--primary); font-weight: 800; }
.h-l2 { background: rgba(0,212,170,0.15); color: var(--accent); border: 1px solid rgba(0,212,170,0.3); }
.h-l3 { background: rgba(79,195,247,0.1); color: var(--accent2); border: 1px solid rgba(79,195,247,0.2); }
.h-l4 { background: rgba(255,255,255,0.05); color: var(--text-light); border: 1px solid rgba(255,255,255,0.1); }
.h-l5 { background: rgba(255,255,255,0.04); color: var(--text-muted); border: 1px solid rgba(255,255,255,0.08); }
.h-l6 { background: rgba(245,158,11,0.1); color: var(--accent3); border: 1px solid rgba(245,158,11,0.2); }
.h-arrow { color: var(--text-muted); font-size: 14px; }

/* ============================================
   SLIDE 5 – PRODUCTS & CLIENTS
   ============================================ */
.slide-products { background: linear-gradient(160deg, #0A1628 0%, #0F2040 100%); }
.pc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; flex: 1; }
.pc-card {
  padding: 24px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
}
.pc-card h3 {
  font-family: var(--font-display); font-size: 15px; font-weight: 700;
  color: var(--accent); margin-bottom: 16px;
  display: flex; align-items: center; gap: 8px;
  text-transform: uppercase; letter-spacing: 1px;
}
.pc-card h3 svg { width: 18px; height: 18px; }
.product-list { display: flex; flex-direction: column; gap: 10px; }
.product-item {
  display: flex; align-items: center; gap: 10px;
  font-size: 13.5px; color: var(--text-muted);
  padding: 10px 14px;
  background: rgba(255,255,255,0.03);
  border-radius: 8px;
  transition: all 0.2s;
}
.product-item:hover { background: rgba(0,212,170,0.08); color: var(--text-light); }
.prod-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }
.client-list { display: flex; flex-wrap: wrap; gap: 8px; }
.client-tag {
  padding: 7px 14px;
  background: rgba(79,195,247,0.1);
  border: 1px solid rgba(79,195,247,0.25);
  border-radius: 20px;
  font-size: 12px; font-weight: 500;
  color: var(--accent2);
}

/* ============================================
   SLIDE 6 & 8 – TECH GRIDS
   ============================================ */
.slide-frontend, .slide-backend {
  background: linear-gradient(160deg, #0A1628 0%, #0F2040 100%);
}
.tech-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; flex: 1; }
.tech-card {
  padding: 20px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  display: flex; flex-direction: column; gap: 12px;
  transition: all 0.3s ease;
}
.tech-card:hover { transform: translateY(-4px); border-color: var(--accent); background: rgba(0,212,170,0.06); }
.tech-badge {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 12px; font-weight: 700;
  letter-spacing: 0.5px;
  align-self: flex-start;
}
.html { background: rgba(228,77,38,0.2); color: #E44D26; border: 1px solid rgba(228,77,38,0.3); }
.css { background: rgba(38,77,228,0.2); color: #4A90D9; border: 1px solid rgba(38,77,228,0.3); }
.js { background: rgba(247,223,30,0.15); color: #F7DF1E; border: 1px solid rgba(247,223,30,0.3); }
.react { background: rgba(97,218,251,0.15); color: #61DAFB; border: 1px solid rgba(97,218,251,0.3); }
.node { background: rgba(104,160,99,0.2); color: #68A063; border: 1px solid rgba(104,160,99,0.3); }
.express { background: rgba(255,255,255,0.08); color: #ccc; border: 1px solid rgba(255,255,255,0.15); }
.mongo { background: rgba(77,179,61,0.15); color: #4DB33D; border: 1px solid rgba(77,179,61,0.3); }
.security { background: rgba(245,158,11,0.15); color: var(--accent3); border: 1px solid rgba(245,158,11,0.3); }
.tech-card ul { list-style: none; display: flex; flex-direction: column; gap: 7px; }
.tech-card ul li { font-size: 12px; color: var(--text-muted); padding-left: 12px; position: relative; line-height: 1.4; }
.tech-card ul li::before { content: '·'; position: absolute; left: 0; color: var(--accent); font-size: 18px; line-height: 1; }

/* ============================================
   SLIDE 7 – VELORIA
   ============================================ */
.slide-veloria { background: linear-gradient(160deg, #0A1628 0%, #0F2040 100%); }
.veloria-content { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; flex: 1; }
.veloria-intro {
  padding: 24px;
  background: linear-gradient(135deg, rgba(0,212,170,0.08), rgba(79,195,247,0.04));
  border: 1px solid rgba(0,212,170,0.2);
  border-radius: 16px;
  display: flex; flex-direction: column; gap: 16px;
}
.veloria-logo {
  font-family: var(--font-display); font-size: 28px; font-weight: 900;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  display: flex; align-items: center; gap: 10px;
}
.veloria-logo svg { width: 28px; height: 28px; color: var(--accent); -webkit-text-fill-color: initial; }
.veloria-intro p { font-size: 13.5px; color: var(--text-muted); line-height: 1.6; }
.stack-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.pill {
  padding: 5px 12px; border-radius: 20px;
  font-size: 11px; font-weight: 600;
}
.react-p { background: rgba(97,218,251,0.15); color: #61DAFB; border: 1px solid rgba(97,218,251,0.3); }
.node-p { background: rgba(104,160,99,0.2); color: #68A063; border: 1px solid rgba(104,160,99,0.3); }
.express-p { background: rgba(255,255,255,0.08); color: #ccc; border: 1px solid rgba(255,255,255,0.15); }
.mongo-p { background: rgba(77,179,61,0.15); color: #4DB33D; border: 1px solid rgba(77,179,61,0.3); }
.aws-p { background: rgba(255,153,0,0.15); color: #FF9900; border: 1px solid rgba(255,153,0,0.3); }
.nginx-p { background: rgba(0,212,170,0.12); color: var(--accent); border: 1px solid rgba(0,212,170,0.25); }

.veloria-features {
  padding: 24px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
}
.veloria-features h3 {
  font-family: var(--font-display); font-size: 14px; font-weight: 700;
  color: var(--accent); text-transform: uppercase; letter-spacing: 1px;
  margin-bottom: 16px;
}
.feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.feat {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 14px;
  background: rgba(255,255,255,0.03);
  border-radius: 10px;
  font-size: 12.5px; color: var(--text-muted);
  border: 1px solid rgba(255,255,255,0.06);
  transition: all 0.2s;
}
.feat:hover { background: rgba(0,212,170,0.08); color: var(--text-light); border-color: rgba(0,212,170,0.2); }
.feat svg { width: 15px; height: 15px; color: var(--accent); flex-shrink: 0; }

/* ============================================
   SLIDE 9 – ARCHITECTURE
   ============================================ */
.slide-arch { background: linear-gradient(160deg, #0A1628 0%, #0F2040 100%); }
.arch-grid {
  display: flex; align-items: stretch; gap: 12px; flex: 1;
}
.arch-tier {
  flex: 1; padding: 24px;
  border-radius: 16px;
  display: flex; flex-direction: column; gap: 12px;
}
.tier-1 { background: linear-gradient(135deg, rgba(97,218,251,0.08), rgba(97,218,251,0.02)); border: 1px solid rgba(97,218,251,0.25); }
.tier-2 { background: linear-gradient(135deg, rgba(0,212,170,0.08), rgba(0,212,170,0.02)); border: 1px solid rgba(0,212,170,0.25); }
.tier-3 { background: linear-gradient(135deg, rgba(77,179,61,0.08), rgba(77,179,61,0.02)); border: 1px solid rgba(77,179,61,0.25); }
.tier-icon {
  width: 48px; height: 48px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
}
.tier-1 .tier-icon { background: rgba(97,218,251,0.15); }
.tier-1 .tier-icon svg { color: #61DAFB; width: 24px; height: 24px; }
.tier-2 .tier-icon { background: rgba(0,212,170,0.15); }
.tier-2 .tier-icon svg { color: var(--accent); width: 24px; height: 24px; }
.tier-3 .tier-icon { background: rgba(77,179,61,0.15); }
.tier-3 .tier-icon svg { color: #4DB33D; width: 24px; height: 24px; }
.arch-tier h3 { font-family: var(--font-display); font-size: 15px; font-weight: 800; color: var(--text-light); }
.tier-sub { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-top: -8px; }
.arch-tier ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.arch-tier ul li { font-size: 12.5px; color: var(--text-muted); padding-left: 14px; position: relative; line-height: 1.5; }
.arch-tier ul li::before { content: '▸'; position: absolute; left: 0; font-size: 10px; top: 3px; }
.tier-1 ul li::before { color: #61DAFB; }
.tier-2 ul li::before { color: var(--accent); }
.tier-3 ul li::before { color: #4DB33D; }
.arch-arrow {
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted); flex-shrink: 0;
}
.arch-arrow svg { width: 24px; height: 24px; }

/* ============================================
   SLIDE 10 – MY ROLE
   ============================================ */
.slide-role { background: linear-gradient(160deg, #0A1628 0%, #0F2040 100%); }
.role-content { display: flex; flex-direction: column; gap: 20px; flex: 1; }
.role-title-block {
  display: flex; align-items: center; gap: 16px;
  padding: 18px 24px;
  background: linear-gradient(135deg, rgba(0,212,170,0.1), rgba(79,195,247,0.05));
  border: 1px solid rgba(0,212,170,0.25);
  border-radius: 14px;
}
.role-title-block svg { width: 28px; height: 28px; color: var(--accent); flex-shrink: 0; }
.role-title-block h3 { font-family: var(--font-display); font-size: 17px; font-weight: 700; color: var(--text-light); }
.role-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; flex: 1; }
.role-item {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  font-size: 13px; color: var(--text-muted);
  transition: all 0.2s;
}
.role-item:hover { background: rgba(0,212,170,0.08); color: var(--text-light); border-color: var(--accent); }
.role-item svg { width: 16px; height: 16px; color: var(--accent); flex-shrink: 0; }

/* ============================================
   SLIDE 11 – SKILLS
   ============================================ */
.slide-skills { background: linear-gradient(160deg, #0A1628 0%, #0F2040 100%); }
.skills-content { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; flex: 1; }
.skill-category {
  padding: 20px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 14px;
}
.skill-category h3 {
  font-family: var(--font-display); font-size: 13px; font-weight: 700;
  color: var(--accent); text-transform: uppercase; letter-spacing: 1px;
  margin-bottom: 16px;
  display: flex; align-items: center; gap: 8px;
}
.skill-category h3 svg { width: 16px; height: 16px; }
.skill-bars { display: flex; flex-direction: column; gap: 14px; }
.skill-bar-item { display: flex; flex-direction: column; gap: 6px; }
.skill-bar-item span { font-size: 12.5px; color: var(--text-muted); font-weight: 500; }
.bar {
  height: 6px; background: rgba(255,255,255,0.08);
  border-radius: 3px; overflow: hidden;
}
.bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  border-radius: 3px;
  animation: fillBar 1.2s ease forwards;
  transform-origin: left;
}
@keyframes fillBar {
  from { width: 0 !important; }
}

/* ============================================
   SLIDE 12 – CONTRIBUTIONS
   ============================================ */
.slide-contributions { background: linear-gradient(160deg, #0A1628 0%, #0F2040 100%); }
.contrib-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; flex: 1; }
.contrib-card {
  padding: 24px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  display: flex; flex-direction: column; gap: 12px;
  transition: all 0.3s ease;
}
.contrib-card:hover { transform: translateY(-4px); border-color: var(--accent); background: rgba(0,212,170,0.06); }
.contrib-icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: linear-gradient(135deg, rgba(0,212,170,0.15), rgba(79,195,247,0.1));
  display: flex; align-items: center; justify-content: center;
}
.contrib-icon svg { width: 22px; height: 22px; color: var(--accent); }
.contrib-card h3 { font-family: var(--font-display); font-size: 16px; font-weight: 700; color: var(--text-light); }
.contrib-card p { font-size: 13px; color: var(--text-muted); line-height: 1.6; }

/* ============================================
   SLIDE 13 – CONCLUSION
   ============================================ */
.slide-conclusion { background: linear-gradient(160deg, #0A1628 0%, #0F2040 100%); }
.conclusion-content { display: flex; flex-direction: column; gap: 24px; flex: 1; justify-content: center; }
.conclusion-quote {
  padding: 28px;
  background: linear-gradient(135deg, rgba(0,212,170,0.08), rgba(79,195,247,0.04));
  border: 1px solid rgba(0,212,170,0.2);
  border-radius: 16px;
  position: relative;
}
.conclusion-quote svg { width: 32px; height: 32px; color: var(--accent); opacity: 0.4; margin-bottom: 12px; }
.conclusion-quote p { font-size: 15px; color: var(--text-muted); line-height: 1.8; }
.conclusion-quote p strong { color: var(--text-light); }
.conclusion-outcomes {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
}
.outcome {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  padding: 16px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  font-size: 12px; font-weight: 600; color: var(--text-light);
  text-align: center;
}
.outcome svg { width: 22px; height: 22px; color: var(--accent); }
.conclusion-footer { font-size: 14px; color: var(--text-muted); line-height: 1.7; text-align: center; font-style: italic; }

/* ============================================
   SLIDE 14 – TAKEAWAYS
   ============================================ */
.slide-takeaways { background: linear-gradient(160deg, #0A1628 0%, #0F2040 100%); }
.takeaway-content { display: flex; flex-direction: column; gap: 16px; flex: 1; justify-content: center; }
.takeaway-card {
  display: flex; align-items: flex-start; gap: 20px;
  padding: 24px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  transition: all 0.3s ease;
}
.takeaway-card:hover { border-color: var(--accent); background: rgba(0,212,170,0.06); transform: translateX(6px); }
.tk-num {
  font-family: var(--font-display); font-size: 36px; font-weight: 900;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  flex-shrink: 0; line-height: 1;
}
.tk-text h3 { font-family: var(--font-display); font-size: 17px; font-weight: 700; color: var(--text-light); margin-bottom: 6px; }
.tk-text p { font-size: 13.5px; color: var(--text-muted); line-height: 1.6; }

/* ============================================
   SLIDE 15 – THANK YOU
   ============================================ */
.slide-thankyou {
  background: linear-gradient(135deg, #0A1628 0%, #0D2040 50%, #0A1628 100%);
  justify-content: center; align-items: center;
}
.ty-bg-shapes { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.ty-shape { position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.12; }
.ty-s1 { width: 400px; height: 400px; background: var(--accent); top: -100px; right: -80px; }
.ty-s2 { width: 350px; height: 350px; background: var(--accent2); bottom: -80px; left: -60px; }
.ty-s3 { width: 250px; height: 250px; background: var(--accent3); top: 50%; left: 50%; transform: translate(-50%,-50%); }

.ty-content {
  position: relative; z-index: 2;
  display: flex; gap: 60px; align-items: center;
  max-width: 900px;
}
.ty-main { text-align: center; flex: 1; }
.ty-main h1 {
  font-family: var(--font-display); font-size: 72px; font-weight: 900;
  background: linear-gradient(135deg, #fff 0%, var(--accent) 60%, var(--accent2) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  letter-spacing: -2px; line-height: 1;
  margin-bottom: 16px;
}
.ty-divider {
  width: 80px; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  margin: 0 auto 20px; border-radius: 2px;
}
.ty-presenter { font-size: 18px; font-weight: 600; color: var(--text-light); margin-bottom: 6px; }
.ty-dept { font-size: 13px; color: var(--text-muted); margin-bottom: 16px; }
.ty-badge {
  display: inline-block;
  padding: 8px 20px;
  border: 1px solid var(--accent);
  border-radius: 20px;
  font-size: 12px; font-weight: 600;
  color: var(--accent); letter-spacing: 1px;
}

.ty-thanks {
  padding: 28px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  min-width: 260px;
}
.ty-thanks h3 {
  font-family: var(--font-display); font-size: 13px; font-weight: 700;
  color: var(--accent); text-transform: uppercase; letter-spacing: 2px;
  margin-bottom: 16px;
}
.thanks-list { display: flex; flex-direction: column; gap: 12px; }
.thanks-person {
  display: flex; align-items: center; gap: 10px;
  font-size: 14px; color: var(--text-muted);
  padding: 10px 14px;
  background: rgba(255,255,255,0.03);
  border-radius: 8px;
  border-left: 2px solid var(--accent);
}
.thanks-person svg { width: 16px; height: 16px; color: var(--accent); flex-shrink: 0; }

/* ── KEYBOARD HINT ── */
.keyboard-hint {
  position: fixed; bottom: 48px; right: 24px;
  font-size: 11px; color: var(--text-muted);
  opacity: 0.5; z-index: 100;
  letter-spacing: 0.5px;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 2px; }