@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700;800&family=Playfair+Display:ital,wght@0,700;1,400;1,700&display=swap');

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

:root {
  --dark-bg: #260912;
  --rose: #A54C5D;
  --burgundy: #852838;
  --copper: #CC7958;
  --light-text: #DED4D4;
  --muted-rose: #C38E98;
  --neutral: #AD9797;
  --white: #FFFFFF;
  --light-bg: #F5F0F0;
}

body {
  font-family: 'Inter', Arial, sans-serif;
  background: var(--dark-bg);
  overflow: hidden;
  height: 100vh;
  width: 100vw;
}

.slide {
  position: absolute;
  top: 0; left: 0;
  width: 100vw;
  height: 100vh;
  display: none;
  flex-direction: column;
  justify-content: center;
  padding: 60px 100px;
  pointer-events: none;
  overflow: hidden;
}

.slide.active {
  display: flex;
  pointer-events: all;
}

/* --- Reveal elements --- */
.reveal {
  opacity: 0;
  transition: opacity 0.5s ease;
}

/* --- Section header slides --- */
.slide.section-header {
  background: var(--dark-bg);
  justify-content: center;
  align-items: flex-start;
  padding: 60px 120px;
}

.slide.section-header .section-label {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 24px;
}

.slide.section-header h1 {
  font-size: 72px;
  font-weight: 800;
  color: var(--white);
  line-height: 1.1;
  max-width: 900px;
}

.slide.section-header .accent-line {
  width: 80px;
  height: 4px;
  background: var(--rose);
  margin-top: 32px;
  border-radius: 2px;
}

/* --- Title slide --- */
.slide.title-slide {
  background: var(--dark-bg);
  flex-direction: column;
  justify-content: flex-start;
  align-items: stretch;
  padding: 56px 120px;
  position: relative;
}

.slide.title-slide::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(165,76,93,0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.slide.title-slide::after {
  content: '';
  position: absolute;
  bottom: -150px; left: -150px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(204,121,88,0.1) 0%, transparent 70%);
  border-radius: 50%;
}

/* Full-width header section */
.title-header {
  position: relative;
  z-index: 1;
  margin-bottom: 24px;
}

.title-header .tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--copper);
  background: rgba(204,121,88,0.12);
  padding: 8px 20px;
  border-radius: 20px;
  margin-bottom: 20px;
}

.title-header h1 {
  font-size: 60px;
  font-weight: 800;
  color: var(--white);
  line-height: 1.15;
  width: 100%;
  margin-bottom: 16px;
}

.title-header h1 span {
  color: var(--copper);
}

.title-header .title-quote-block {
  margin-top: 0;
  border-left: 3px solid var(--copper);
  padding-left: 20px;
  font-family: 'Playfair Display', Georgia, serif;
  font-style: italic;
  font-size: 22px;
  color: var(--muted-rose);
  line-height: 1.55;
}

/* Two-column body below title */
.title-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  flex: 1;
  position: relative;
  z-index: 1;
}

.title-left {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.title-quote-block {
  font-family: 'Playfair Display', Georgia, serif;
  font-style: italic;
  font-size: 22px;
  color: var(--muted-rose);
  line-height: 1.55;
  padding-left: 20px;
  border-left: 3px solid var(--copper);
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  color: var(--muted-rose);
  text-decoration: none;
  font-weight: 400;
}

.contact-link svg {
  flex-shrink: 0;
  color: var(--copper);
}

/* Profile (right column — photo + name) */
.title-right {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 20px;
}

.profile-photo {
  width: 340px;
  height: 340px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--copper);
  box-shadow: 0 0 80px rgba(204,121,88,0.3);
}

.profile-name {
  font-size: 26px;
  font-weight: 700;
  color: var(--white);
}

.profile-roles {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.profile-role-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.profile-role-logo {
  height: 30px;
  width: auto;
  max-width: 80px;
  object-fit: contain;
}

.profile-role-logo.ifood-sm {
  height: 18px;
}

.profile-role-text {
  font-size: 18px;
  color: var(--copper);
  font-weight: 400;
}

/* --- Content slides (light) --- */
.slide.content {
  background: var(--light-bg);
  padding: 72px 120px;
  justify-content: center;
}

.slide.content .slide-tag {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--rose);
  margin-bottom: 20px;
}

.slide.content h2 {
  font-size: 48px;
  font-weight: 700;
  color: var(--dark-bg);
  line-height: 1.2;
  margin-bottom: 36px;
  max-width: 950px;
}

.slide.content p {
  font-size: 26px;
  color: #3a2a2e;
  line-height: 1.65;
  max-width: 950px;
  margin-bottom: 20px;
}

.slide.content ul {
  list-style: none;
  padding: 0;
  max-width: 950px;
}

.slide.content ul li {
  font-size: 26px;
  color: #3a2a2e;
  line-height: 1.55;
  padding: 12px 0 12px 36px;
  position: relative;
}

.slide.content ul li::before {
  content: '';
  position: absolute;
  left: 0; top: 22px;
  width: 12px; height: 12px;
  background: var(--rose);
  border-radius: 50%;
}

.slide.content ul li strong {
  color: var(--dark-bg);
}

.slide.content ul li .sub-note {
  display: block;
  font-size: 18px;
  color: var(--neutral);
  font-style: italic;
  margin-top: 4px;
  padding-left: 0;
}

/* --- Content dark slides --- */
.slide.content-dark {
  background: var(--dark-bg);
  padding: 72px 120px;
  justify-content: center;
}

.slide.content-dark .slide-tag {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 20px;
}

.slide.content-dark h2 {
  font-size: 48px;
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 36px;
  max-width: 950px;
}

.slide.content-dark p {
  font-size: 26px;
  color: var(--light-text);
  line-height: 1.65;
  max-width: 950px;
  margin-bottom: 20px;
}

.slide.content-dark ul {
  list-style: none;
  padding: 0;
  max-width: 950px;
}

.slide.content-dark ul li {
  font-size: 26px;
  color: var(--light-text);
  line-height: 1.55;
  padding: 12px 0 12px 36px;
  position: relative;
}

.slide.content-dark ul li::before {
  content: '';
  position: absolute;
  left: 0; top: 22px;
  width: 12px; height: 12px;
  background: var(--copper);
  border-radius: 50%;
}

.slide.content-dark ul li strong {
  color: var(--white);
}

/* --- Central question --- */
.central-question {
  font-size: 52px;
  font-weight: 700;
  color: var(--white);
  line-height: 1.35;
  max-width: 950px;
  margin-top: 8px;
}

.central-question em {
  color: var(--copper);
  font-style: normal;
}

/* --- This work split layout --- */
.this-work-layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 56px;
  align-items: center;
  margin-top: 8px;
}

.reddit-figure {
  margin: 0;
  text-align: center;
}

.reddit-figure img {
  max-width: 100%;
  max-height: 420px;
  border-radius: 12px;
  box-shadow: 0 8px 28px rgba(38,9,18,0.2);
  border: 1px solid rgba(38,9,18,0.1);
}

/* --- Tips overview grid --- */
.tips-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 20px;
}

.tip-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(204,121,88,0.3);
  border-radius: 12px;
  padding: 22px 26px;
  display: flex;
  gap: 18px;
  align-items: flex-start;
}

.tip-num {
  font-size: 40px;
  font-weight: 800;
  color: var(--copper);
  line-height: 1;
  min-width: 52px;
  flex-shrink: 0;
  opacity: 0.65;
}

.tip-label {
  font-size: 22px;
  font-weight: 600;
  color: var(--white);
  line-height: 1.35;
  padding-top: 8px;
}

/* --- Slide blockquote --- */
.slide-blockquote {
  background: var(--dark-bg);
  border-left: 4px solid var(--copper);
  border-radius: 0 12px 12px 0;
  padding: 24px 28px 24px 72px;
  margin-top: 28px;
  max-width: 920px;
  position: relative;
}

.slide-blockquote::before {
  content: '\201C';
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 80px;
  color: var(--copper);
  opacity: 0.45;
  position: absolute;
  top: 4px;
  left: 14px;
  line-height: 1;
}

.slide-blockquote p {
  font-family: 'Playfair Display', Georgia, serif;
  font-style: italic;
  font-size: 23px !important;
  color: var(--light-text) !important;
  line-height: 1.55 !important;
  margin: 0 !important;
}

/* --- Books grid --- */
.books-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 52px;
  margin-top: 28px;
  align-items: end;
}

.book-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.book-cover {
  max-height: 280px;
  width: auto;
  max-width: 100%;
  border-radius: 4px;
  box-shadow: 8px 12px 40px rgba(0,0,0,0.6);
}

.book-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-style: italic;
  font-size: 20px;
  color: var(--white);
  text-align: center;
  line-height: 1.3;
}

.book-author {
  font-size: 15px;
  color: var(--copper);
  text-align: center;
  margin-top: -4px;
}

/* --- Tip 02 read + books split --- */
.tip-read-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
  margin-top: 8px;
}

.tip-read-books {
  display: flex;
  flex-direction: row;
  gap: 20px;
  align-items: flex-end;
  justify-content: center;
}

.tip-read-books .book-cover {
  max-height: 210px;
  width: auto;
  max-width: 100%;
  border-radius: 3px;
  box-shadow: 6px 8px 24px rgba(38,9,18,0.25);
}

.tip-read-books .book-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.book-title-dark {
  font-family: 'Playfair Display', Georgia, serif;
  font-style: italic;
  font-size: 14px;
  color: var(--dark-bg);
  text-align: center;
  line-height: 1.3;
}

.book-author-dark {
  font-family: 'Inter', Arial, sans-serif;
  font-style: normal;
  font-size: 12px;
  color: var(--rose);
  display: block;
  margin-top: 2px;
}

/* --- Final quote slide --- */
.slide.quote-final {
  background: var(--dark-bg);
  justify-content: center;
  align-items: center;
  padding: 80px 160px;
  text-align: center;
  position: relative;
}

.slide.quote-final::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(165,76,93,0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.quote-final-text {
  font-family: 'Playfair Display', Georgia, serif;
  font-style: italic;
  font-size: 44px;
  color: var(--light-text);
  line-height: 1.5;
  max-width: 1050px;
  position: relative;
  z-index: 1;
}

.quote-final-mark {
  display: block;
  font-size: 160px;
  color: var(--copper);
  opacity: 0.12;
  font-family: 'Playfair Display', Georgia, serif;
  line-height: 0.7;
  margin-bottom: 24px;
  text-align: left;
  margin-left: -24px;
}

/* --- Intro split layout --- */
.intro-split {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0;
  align-items: start;
  margin-top: 16px;
  width: 100%;
  max-width: 1000px;
}

.intro-divider {
  width: 1px;
  align-self: stretch;
  background: repeating-linear-gradient(
    to bottom,
    var(--rose) 0px,
    var(--rose) 8px,
    transparent 8px,
    transparent 16px
  );
  margin: 0 52px;
  opacity: 0.5;
}

.intro-col-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--dark-bg);
  line-height: 1.25;
  margin-bottom: 20px;
}

.intro-col ul {
  list-style: none;
  padding: 0;
}

.intro-col ul li {
  font-size: 26px;
  color: #3a2a2e;
  padding: 10px 0 10px 32px;
  position: relative;
}

.intro-col ul li::before {
  content: '';
  position: absolute;
  left: 0; top: 20px;
  width: 10px; height: 10px;
  background: var(--rose);
  border-radius: 50%;
}

/* --- Closing slide link --- */
.closing-link {
  margin-top: 28px;
  text-align: center;
}

.closing-link a {
  font-size: 18px;
  color: var(--copper);
  text-decoration: none;
  opacity: 0.75;
  letter-spacing: 0.3px;
}

.closing-link a:hover {
  opacity: 1;
}

/* --- Site footer (bottom-left on all slides) --- */
.site-footer {
  position: fixed;
  bottom: 18px;
  left: 28px;
  font-size: 13px;
  color: var(--copper);
  opacity: 0.5;
  font-family: 'Inter', Arial, sans-serif;
  z-index: 100;
  text-decoration: none;
  letter-spacing: 0.3px;
}

/* --- Strikethrough word --- */
.strike {
  text-decoration: line-through;
  text-decoration-thickness: 3px;
  text-decoration-color: var(--rose);
  opacity: 0.5;
  margin-right: 8px;
}

/* --- Inline highlight --- */
mark.hl {
  background: linear-gradient(180deg, transparent 60%, rgba(204,121,88,0.45) 60%);
  color: var(--dark-bg);
  padding: 0 2px;
  font-weight: 600;
}

/* --- Progress bar --- */
.progress-bar {
  position: fixed;
  bottom: 0; left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--rose), var(--copper));
  transition: width 0.4s ease;
  z-index: 100;
}

/* --- Slide counter --- */
.slide-counter {
  position: fixed;
  bottom: 16px; right: 28px;
  font-size: 13px;
  color: rgba(255,255,255,0.35);
  font-family: 'Inter', Arial, sans-serif;
  z-index: 100;
}