/* Page-specific styles */

/* ---- HERO ---- */
.hero {
  padding-top: calc(var(--nav-height) + var(--sp-16));
  padding-bottom: var(--sp-16);
  min-height: 85vh;
  display: flex;
  align-items: center;
}

.hero__content {
  max-width: 520px;
}

.hero__eyebrow {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: var(--sp-4);
}

.hero h1 {
  margin-bottom: var(--sp-5);
}

.hero__subtitle {
  font-size: var(--fs-lg);
  color: var(--text-secondary);
  margin-bottom: var(--sp-8);
  max-width: 480px;
}

.hero__image {
  position: relative;
}

.hero__image .browser-mockup {
  transform: perspective(1200px) rotateY(-4deg);
  transition: transform 0.4s ease;
}

.hero__image .browser-mockup:hover {
  transform: perspective(1200px) rotateY(0deg);
}

.hero--brief .split {
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1fr);
}

.hero--brief .hero__content {
  max-width: 620px;
}

.hero__brief {
  min-width: 0;
}

.hero-brief {
  position: relative;
  max-width: 520px;
  margin-left: auto;
  padding: var(--sp-6);
  background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.hero-brief::before {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(30, 64, 175, 0.08);
  border-radius: calc(var(--radius-lg) - 4px);
  pointer-events: none;
}

.hero-brief__top {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding-bottom: var(--sp-4);
  margin-bottom: var(--sp-4);
  border-bottom: 1px solid var(--border-light);
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--text);
}

.hero-brief__top time {
  color: var(--text-muted);
  font-size: var(--fs-xs);
  font-weight: 600;
}

.hero-brief__cards {
  position: relative;
  display: grid;
  gap: var(--sp-3);
}

.brief-action-card {
  display: grid;
  grid-template-columns: 10px 1fr;
  gap: var(--sp-3);
  align-items: start;
  min-height: 72px;
  padding: var(--sp-4);
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.brief-action-card p {
  margin: 0;
  color: var(--text);
  font-weight: 700;
  line-height: 1.45;
}

.brief-action-card__dot {
  width: 10px;
  height: 10px;
  margin-top: 6px;
  border-radius: var(--radius-full);
}

.brief-action-card--green {
  border-left: 4px solid var(--accent);
}

.brief-action-card--green .brief-action-card__dot {
  background: var(--accent);
}

.brief-action-card--amber {
  border-left: 4px solid var(--orange);
}

.brief-action-card--amber .brief-action-card__dot {
  background: var(--orange);
}

.brief-action-card--blue {
  border-left: 4px solid var(--primary-light);
}

.brief-action-card--blue .brief-action-card__dot {
  background: var(--primary-light);
}

@media (max-width: 1024px) {
  .hero {
    min-height: auto;
    padding-top: calc(var(--nav-height) + var(--sp-10));
    padding-bottom: var(--sp-10);
  }
  .hero__content { max-width: 100%; }
  .hero--brief .split {
    grid-template-columns: 1fr;
  }
  .hero-brief {
    margin: 0 auto;
  }
  .hero__image .browser-mockup {
    transform: none;
    max-width: 560px;
    margin: 0 auto;
  }
}


/* ---- PROBLEM SECTION ---- */
.problem-card {
  padding: var(--sp-6);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
}

.problem-card__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--sp-4);
  background: rgba(233, 69, 96, 0.08);
  color: var(--red);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.problem-card__title {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: var(--fs-base);
  color: var(--text);
  margin-bottom: var(--sp-2);
}

.problem-card__desc {
  font-size: var(--fs-sm);
  color: var(--text-muted);
  line-height: 1.6;
}

.problem-grid {
  align-items: stretch;
}

.problem-card--brief {
  text-align: left;
  border-top: 3px solid var(--red);
}

.problem-card--brief:nth-child(2) {
  border-top-color: var(--orange);
}

.problem-card--brief:nth-child(3) {
  border-top-color: var(--primary);
}


/* ---- DAILY BRIEF ---- */
.daily-brief {
  max-width: 980px;
  margin: 0 auto;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.daily-brief__row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.daily-brief__row + .daily-brief__row {
  border-top: 1px solid var(--border-light);
}

.daily-brief__row > div {
  padding: var(--sp-5);
  min-width: 0;
  color: var(--text-secondary);
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.daily-brief__row > div + div {
  border-left: 1px solid var(--border-light);
}

.daily-brief__row--head {
  background: var(--primary-soft);
}

.daily-brief__row--head > div {
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--primary);
}

.daily-brief__row:not(.daily-brief__row--head) > div:last-child {
  color: var(--text);
  font-weight: 700;
}


/* ---- DIAGNOSTICS + PRODUCT AREAS ---- */
.diagnostic-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--sp-4);
  max-width: 900px;
  margin: 0 auto;
}

.diagnostic-card,
.product-module {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.diagnostic-card {
  min-height: 88px;
  display: flex;
  align-items: center;
  padding: var(--sp-5);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  color: var(--text);
  border-left: 4px solid var(--primary-light);
}

.diagnostic-card:nth-child(2),
.diagnostic-card:nth-child(5) {
  border-left-color: var(--orange);
}

.diagnostic-card:nth-child(3),
.diagnostic-card:nth-child(6) {
  border-left-color: var(--accent);
}

.product-module {
  min-height: 156px;
  padding: var(--sp-5);
}

.product-module h3 {
  margin-bottom: var(--sp-3);
  font-size: var(--fs-lg);
}

.product-module p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.6;
}


/* ---- FOUNDER PROOF ---- */
.founder-proof {
  background: var(--bg);
}

.founder-proof__story p {
  color: var(--text-secondary);
}

.founder-proof__quote {
  padding: var(--sp-8);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.founder-proof__quote blockquote {
  margin: 0;
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--fs-xl);
  font-weight: 700;
  line-height: 1.35;
  color: var(--text);
}

.founder-proof__quote cite {
  display: block;
  margin-top: var(--sp-4);
  color: var(--text-muted);
  font-size: var(--fs-sm);
  font-style: normal;
}

@media (max-width: 768px) {
  main {
    padding-bottom: 76px;
  }

  .hero-brief {
    padding: var(--sp-4);
  }

  .brief-action-card {
    min-height: auto;
  }

  .daily-brief__row {
    grid-template-columns: 1fr;
  }

  .daily-brief__row--head {
    display: none;
  }

  .daily-brief__row > div {
    padding: var(--sp-4);
  }

  .daily-brief__row > div + div {
    border-left: none;
    border-top: 1px solid var(--border-light);
  }

  .daily-brief__row [role="cell"]::before {
    display: block;
    margin-bottom: var(--sp-1);
    font-family: 'Space Grotesk', sans-serif;
    font-size: var(--fs-xs);
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--primary);
  }

  .daily-brief__row [role="cell"]:nth-child(1)::before {
    content: "Čo sa deje";
  }

  .daily-brief__row [role="cell"]:nth-child(2)::before {
    content: "Prečo je to dôležité";
  }

  .daily-brief__row [role="cell"]:nth-child(3)::before {
    content: "Čo urobiť dnes";
  }

  .diagnostic-grid {
    grid-template-columns: 1fr;
  }

  .product-module {
    min-height: auto;
  }

  .founder-proof__quote {
    padding: var(--sp-5);
  }
}

@media (max-width: 480px) {
  .hero--brief .btn-group {
    align-items: stretch;
  }

  .hero--brief .btn-group .btn {
    width: 100%;
    justify-content: center;
  }
}


/* ---- DASHBOARD SHOWCASE ---- */
.showcase-carousel {
  display: flex;
  gap: var(--sp-6);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: var(--sp-4) 0;
  -webkit-overflow-scrolling: touch;
}

.showcase-carousel::-webkit-scrollbar {
  display: none;
}

.showcase-item {
  min-width: 80%;
  scroll-snap-align: center;
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius);
  overflow: hidden;
}

.showcase-item img {
  border-radius: var(--radius);
  border: 1px solid var(--dark-border);
}

.showcase-item__caption {
  text-align: center;
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  padding: var(--sp-2) var(--sp-3);
  background: var(--bg);
}

/* Browser mockup image hover zoom (clipped by overflow:hidden on .browser-mockup) */
.browser-mockup img {
  transition: transform 0.4s ease;
}
.browser-mockup:hover img {
  transform: scale(1.01);
}

/* ---- MOBILE AI INTEGRATIONS ---- */
.pocket-section {
  position: relative;
  overflow: hidden;
}

.pocket-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) 1.1fr;
  gap: var(--sp-12);
  align-items: center;
  max-width: 980px;
  margin: 0 auto;
}

.phone-demo {
  box-sizing: border-box;
  width: min(100%, 360px);
  max-width: 100%;
  margin: 0 auto;
  padding: 12px;
  border-radius: 34px;
  background: linear-gradient(145deg, #0f172a, #020617);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.32);
}

.phone-demo--product {
  background: linear-gradient(145deg, #10214a, #07111f);
  box-shadow: var(--shadow-lg);
}

.phone-demo__chrome {
  height: 24px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.phone-demo__chrome span {
  width: 72px;
  height: 6px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.2);
}

.phone-demo__screen {
  min-height: 520px;
  padding: var(--sp-5);
  border-radius: 24px;
  background:
    radial-gradient(circle at top left, rgba(59, 130, 246, 0.2), transparent 34%),
    linear-gradient(180deg, #f8fafc 0%, #eef4ff 100%);
  color: var(--text);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.phone-demo__status {
  display: flex;
  justify-content: space-between;
  gap: var(--sp-3);
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.phone-chat {
  max-width: 88%;
  padding: var(--sp-4);
  border-radius: 18px;
  font-size: var(--fs-sm);
  line-height: 1.45;
}

.phone-chat--user {
  align-self: flex-end;
  background: var(--primary);
  color: var(--text-on-primary);
  border-bottom-right-radius: var(--radius-sm);
}

.phone-chat--revysta {
  align-self: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-bottom-left-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

.phone-chat--revysta strong,
.phone-chat--revysta span {
  display: block;
}

.phone-chat--revysta strong {
  margin-bottom: var(--sp-2);
  color: var(--text);
}

.phone-chat--revysta span {
  color: var(--text-secondary);
}

.phone-brief-card {
  margin-top: auto;
  padding: var(--sp-5);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(30, 64, 175, 0.16);
  box-shadow: var(--shadow-sm);
}

.phone-brief-card__label {
  display: inline-block;
  margin-bottom: var(--sp-2);
  font-size: var(--fs-xs);
  font-weight: 800;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.phone-brief-card p {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.45;
  color: var(--text-secondary);
}

.integration-stack {
  display: grid;
  gap: var(--sp-5);
}

.integration-card {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: var(--sp-4);
  align-items: start;
  padding: var(--sp-6);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.integration-card__icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 800;
  color: var(--text-on-primary);
}

.integration-card--claude .integration-card__icon {
  background: linear-gradient(135deg, #7c3aed, #2563eb);
}

.integration-card--chatgpt .integration-card__icon {
  background: linear-gradient(135deg, #059669, #0f766e);
}

.integration-card--brief .integration-card__icon {
  background: linear-gradient(135deg, #f59e0b, #e94560);
}

.integration-card h3 {
  margin: 0 0 var(--sp-2);
  color: var(--dark-text);
  font-size: var(--fs-lg);
}

.integration-card p {
  margin: 0;
  color: var(--dark-sub);
  font-size: var(--fs-sm);
  line-height: 1.55;
}

@media (max-width: 860px) {
  .pocket-grid {
    grid-template-columns: 1fr;
    gap: var(--sp-8);
  }

  .integration-stack {
    max-width: 560px;
    margin: 0 auto;
  }
}

@media (max-width: 480px) {
  .phone-demo {
    border-radius: 28px;
    padding: 10px;
  }

  .phone-demo__screen {
    min-height: 470px;
    padding: var(--sp-4);
    border-radius: 20px;
  }

  .integration-card {
    grid-template-columns: 44px 1fr;
    padding: var(--sp-5);
  }

  .integration-card__icon {
    width: 44px;
    height: 44px;
    border-radius: 14px;
  }
}


/* ---- PRODUCT PAGE: alternating sections ---- */
.product-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-16);
  align-items: center;
}

.product-section:nth-child(even) {
  direction: rtl;
}

.product-section:nth-child(even) > * {
  direction: ltr;
}

.product-section__content h3 {
  margin-bottom: var(--sp-3);
}

.product-section__content p {
  margin-bottom: var(--sp-4);
}

.product-section__visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

@media (max-width: 768px) {
  .product-section,
  .product-section:nth-child(even) {
    grid-template-columns: 1fr;
    direction: ltr;
    gap: var(--sp-8);
  }
}


/* ---- ABOUT PAGE ---- */
.about-metric-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-5);
  text-align: center;
}

.about-metric-strip .metric-num {
  font-size: var(--fs-2xl);
}

@media (max-width: 768px) {
  .about-metric-strip {
    grid-template-columns: repeat(2, 1fr);
  }
}


/* ---- CONTACT PAGE ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-16);
  align-items: start;
}

.form-trust-strip {
  display: flex;
  gap: var(--sp-4);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--sp-6);
}

.form-trust-strip__item {
  font-size: var(--fs-sm);
  color: var(--accent);
  font-weight: 600;
}

.contact-info-card {
  display: flex;
  gap: var(--sp-4);
  align-items: flex-start;
  padding: var(--sp-5) 0;
  border-bottom: 1px solid var(--border-light);
}

.contact-info-card:last-child {
  border-bottom: none;
}

.contact-info-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  background: var(--primary-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

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


/* ---- THREE.js 3D STAGE ---- */
#three-stage {
  position: fixed;
  inset: 0;
  z-index: 10;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.6s ease;
}

#three-stage.loaded {
  opacity: 1;
}

#three-stage canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}

/* When 3D is active (desktop), hide the flat CSS word and go dark */
@media (min-width: 768px) {
  body.three-active .letter-hero__word {
    opacity: 0 !important;
    pointer-events: none;
    transition: opacity 0.4s ease;
  }

  body.three-active .letter-hero {
    background: #070A0F;
  }

  body.three-active .letter-hero__scroll-hint {
    color: rgba(255, 255, 255, 0.5);
  }

  /* Letter sections get dark bg to blend with 3D backdrop */
  body.three-active .letter-section {
    background: #070A0F;
    color: rgba(255, 255, 255, 0.92);
  }

  body.three-active .letter-section--alt {
    background: #0a0d16;
  }

  body.three-active .letter-section--dark {
    background: #0a0e27;
  }

  body.three-active .letter-section__title {
    color: rgba(255, 255, 255, 0.95);
  }

  body.three-active .letter-section__body {
    color: rgba(255, 255, 255, 0.68);
  }

  body.three-active .letter-section__metric-label {
    color: rgba(255, 255, 255, 0.55);
  }

  body.three-active .letter-section__char {
    display: none;
  }
}

/* On mobile, hide 3D stage entirely - CSS fallback stays */
@media (max-width: 767px) {
  #three-stage {
    display: none !important;
  }
}


/* ---- LETTER HERO ---- */
.letter-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--bg);
}

.letter-hero__word {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(2px, 0.5vw, 8px);
  user-select: none;
}

.letter-hero__char {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(16vw, 20vw, 24vw);
  font-weight: 700;
  line-height: 1;
  color: var(--primary);
  opacity: 0;
  transform: translateY(-20px);
  /* default state before animation */
}

.letter-hero__char--animate {
  animation: letterDrop 0.5s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@keyframes letterDrop {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.letter-hero__scroll-hint {
  position: absolute;
  bottom: var(--sp-10);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-2);
  color: var(--text-muted);
  font-size: var(--fs-xs);
  letter-spacing: 1px;
  text-transform: uppercase;
  animation: hintBounce 2s ease-in-out infinite;
}

.letter-hero__scroll-hint svg {
  display: block;
}

@keyframes hintBounce {
  0%, 100% { opacity: 0.5; transform: translateX(-50%) translateY(0); }
  50% { opacity: 1; transform: translateX(-50%) translateY(6px); }
}

/* Floating word cluster (desktop only, fixed overlay) */
.letter-hero__floating {
  display: none;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 5;
  pointer-events: none;
  transition: transform 0.4s ease, opacity 0.4s ease;
}

/* Floating word cluster disabled - decorative background letters in each section
   already provide letter presence; the fixed overlay competed with content */
@media (min-width: 768px) {
  .letter-hero__floating {
    display: none;
  }
}

.letter-hero__float-char {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(6vw, 8vw, 10vw);
  font-weight: 700;
  color: var(--primary);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.letter-hero__float-char.caught {
  opacity: 0;
  transform: scale(0.5);
}


/* ---- LETTER SECTIONS ---- */
.letter-section {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: var(--sp-20) 0;
}

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

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

.letter-section__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-16);
  align-items: center;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--sp-8);
}

/* Right-side letter: content left, letter right */
.letter-section--right .letter-section__inner {
  /* default order */
}

/* Left-side letter: letter left, content right */
.letter-section--left .letter-section__inner {
  direction: rtl;
}

.letter-section--left .letter-section__inner > * {
  direction: ltr;
}

/* The giant decorative background letter */
.letter-section__char {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(20vw, 28vw, 35vw);
  font-weight: 700;
  line-height: 0.85;
  opacity: 0.07;
  color: currentColor;
  user-select: none;
  pointer-events: none;
  text-align: center;
  transition: opacity 0.6s ease;
}

.letter-section--dark .letter-section__char {
  color: var(--dark-accent);
  opacity: 0.12;
}

.letter-section.active .letter-section__char {
  opacity: 0.09;
}

.letter-section--dark.active .letter-section__char {
  opacity: 0.15;
}

/* Content block */
.letter-section__content {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.letter-section.active .letter-section__content {
  opacity: 1;
  transform: translateY(0);
}

.letter-section__label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: var(--sp-3);
}

.letter-section--dark .letter-section__label {
  color: var(--dark-accent);
}

.letter-section__title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: var(--fs-4xl);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: var(--sp-5);
  color: var(--text);
}

.letter-section--dark .letter-section__title {
  color: var(--dark-text);
}

.letter-section__body {
  font-size: var(--fs-md);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--sp-8);
}

.letter-section--dark .letter-section__body {
  color: var(--dark-sub);
}

/* Metric / highlight inside letter section */
.letter-section__metric {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1;
  margin-bottom: var(--sp-2);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.letter-section__metric.in-view {
  transform: scale(1.02);
}

.letter-section__metric--green { color: var(--accent); }
.letter-section__metric--blue  { color: var(--primary); }
.letter-section__metric--orange { color: var(--orange); }
.letter-section__metric--red   { color: var(--dark-accent); }

.letter-section__metric-label {
  font-size: var(--fs-sm);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.letter-section--dark .letter-section__metric-label {
  color: var(--dark-sub);
}

/* Strategy badges inside Y section */
.strategy-badges {
  display: flex;
  gap: var(--sp-3);
  flex-wrap: wrap;
  margin-top: var(--sp-4);
}

.strategy-badge {
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  font-weight: 600;
  font-family: 'Space Grotesk', sans-serif;
}

.strategy-badge--conservative {
  background: rgba(5, 150, 105, 0.1);
  color: var(--accent);
}

.strategy-badge--balanced {
  background: rgba(30, 64, 175, 0.1);
  color: var(--primary);
}

.strategy-badge--aggressive {
  background: rgba(245, 158, 11, 0.1);
  color: var(--orange);
}

/* Dashboard screenshot inside letter section */
.letter-section .browser-mockup {
  max-width: 100%;
  transform: perspective(900px) rotateY(4deg);
  transition: transform 0.4s ease;
}

.letter-section--left .browser-mockup {
  transform: perspective(900px) rotateY(-4deg);
}

.letter-section.active .browser-mockup {
  transform: perspective(900px) rotateY(0);
}

/* Mobile adaptation */
@media (max-width: 767px) {
  .letter-hero__char {
    font-size: clamp(18vw, 22vw, 28vw);
  }

  .letter-section {
    min-height: auto;
    padding: var(--sp-16) 0;
  }

  .letter-section__inner,
  .letter-section--left .letter-section__inner {
    grid-template-columns: 1fr;
    direction: ltr;
    gap: var(--sp-6);
    padding: 0 var(--sp-5);
  }

  /* On mobile, show letter above content */
  .letter-section__char {
    font-size: 40vw;
    opacity: 0.08;
    text-align: center;
  }

  .letter-section__content {
    transform: translateY(20px);
  }
}


/* prefers-reduced-motion: skip all animations */
@media (prefers-reduced-motion: reduce) {
  .letter-hero__char--animate {
    animation: none;
    opacity: 1;
    transform: none;
  }

  .letter-section__content {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .letter-section__char {
    transition: none;
  }

}


/* ---- MOBILE STICKY CTA ---- */
.mobile-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--sp-3) var(--sp-4);
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--border);
  z-index: 90;
  box-shadow: 0 -4px 12px rgba(0,0,0,0.08);
}

.mobile-cta .btn {
  width: 100%;
  text-align: center;
  display: block;
}

.mobile-cta.visible {
  display: block;
}

@media (min-width: 768px) {
  .mobile-cta { display: none !important; }
}


/* ---- LETTER SECTION ICONS ---- */
/* Extracted from Revysta_logo_stamp.svg — one icon per letter section.
   Each icon is positioned below the metric/body copy and animates on scroll-in
   when the parent .letter-section gains the .active class. */

.letter-icon {
  display: block;
  width: 64px;
  height: 64px;
  margin-top: var(--sp-6);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease 0.35s, transform 0.5s ease 0.35s;
}

.letter-section.active .letter-icon {
  opacity: 1;
  transform: translateY(0);
}

/* On dark sections, flip icon strokes/fills to light */
.letter-section--dark .letter-icon .icon-fill {
  fill: rgba(255,255,255,0.85);
}
.letter-section--dark .letter-icon .icon-stroke {
  stroke: rgba(255,255,255,0.85);
}

/* ---- R: bar chart bars grow from baseline ---- */
@keyframes barGrow {
  from { transform: scaleY(0); }
  to   { transform: scaleY(1); }
}
@keyframes arrowSlide {
  from { stroke-dashoffset: 30; opacity: 0; }
  to   { stroke-dashoffset: 0;  opacity: 1; }
}

.icon-r .bar1,
.icon-r .bar2,
.icon-r .bar3 {
  transform-box: fill-box;
  transform-origin: bottom center;
  transform: scaleY(0);
}
.icon-r .arrow-line {
  stroke-dasharray: 30;
  stroke-dashoffset: 30;
  opacity: 0;
}
.letter-section.active .icon-r .bar1 {
  animation: barGrow 0.4s cubic-bezier(0.34,1.1,0.64,1) 0.5s forwards;
}
.letter-section.active .icon-r .bar2 {
  animation: barGrow 0.4s cubic-bezier(0.34,1.1,0.64,1) 0.6s forwards;
}
.letter-section.active .icon-r .bar3 {
  animation: barGrow 0.4s cubic-bezier(0.34,1.1,0.64,1) 0.7s forwards;
}
.letter-section.active .icon-r .arrow-line {
  animation: arrowSlide 0.35s ease 0.9s forwards;
}

/* ---- E: wave lines draw themselves ---- */
@keyframes waveDraw {
  from { stroke-dashoffset: 80; opacity: 0; }
  to   { stroke-dashoffset: 0;  opacity: 1; }
}
.icon-e .wave1,
.icon-e .wave2 {
  stroke-dasharray: 80;
  stroke-dashoffset: 80;
  opacity: 0;
}
.letter-section.active .icon-e .wave1 {
  animation: waveDraw 0.55s ease 0.5s forwards;
}
.letter-section.active .icon-e .wave2 {
  animation: waveDraw 0.55s ease 0.7s forwards;
}

/* ---- V: euro sign draws in (fade + slide) ---- */
@keyframes euroFloat {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.icon-v .euro-arc,
.icon-v .euro-bar1,
.icon-v .euro-bar2 {
  opacity: 0;
  transform: translateY(8px);
  transform-box: fill-box;
  transform-origin: center;
}
.letter-section.active .icon-v .euro-arc {
  animation: euroFloat 0.45s ease 0.5s forwards;
}
.letter-section.active .icon-v .euro-bar1 {
  animation: euroFloat 0.45s ease 0.62s forwards;
}
.letter-section.active .icon-v .euro-bar2 {
  animation: euroFloat 0.45s ease 0.72s forwards;
}

/* ---- Y: key jiggles (unlock motion) ---- */
@keyframes keyUnlock {
  0%   { transform: rotate(0deg); }
  20%  { transform: rotate(-18deg); }
  45%  { transform: rotate(10deg); }
  65%  { transform: rotate(-6deg); }
  80%  { transform: rotate(3deg); }
  100% { transform: rotate(0deg); }
}
.icon-y {
  transform-box: fill-box;
  transform-origin: 20px 28px; /* pivot at key ring center */
}
.letter-section.active .icon-y {
  animation: keyUnlock 0.7s ease 0.6s both;
}

/* ---- S: gear spins once then settles into slow idle ---- */
@keyframes gearSpin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
@keyframes gearIdle {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
.icon-s {
  transform-box: fill-box;
  transform-origin: center;
}
.letter-section.active .icon-s {
  animation: gearSpin 0.7s cubic-bezier(0.4,0,0.2,1) 0.5s,
             gearIdle 6s linear 1.2s infinite;
}

/* ---- T: robot arm pivots (AI working) ---- */
@keyframes armPivot {
  0%   { transform: rotate(0deg); }
  30%  { transform: rotate(-22deg); }
  55%  { transform: rotate(12deg); }
  75%  { transform: rotate(-8deg); }
  90%  { transform: rotate(4deg); }
  100% { transform: rotate(0deg); }
}
.icon-t .arm-upper {
  transform-box: fill-box;
  transform-origin: 90% 80%; /* pivot near the elbow/joint end */
}
.letter-section.active .icon-t .arm-upper {
  animation: armPivot 0.9s ease 0.55s both;
}

/* ---- A: bar chart grows + arrow bounces up ---- */
@keyframes barGrowA {
  from { transform: scaleY(0); }
  to   { transform: scaleY(1); }
}
@keyframes arrowBounce {
  0%   { transform: translateY(6px); opacity: 0; }
  60%  { transform: translateY(-3px); opacity: 1; }
  80%  { transform: translateY(1px); opacity: 1; }
  100% { transform: translateY(0); opacity: 1; }
}
.icon-a .bar1,
.icon-a .bar2,
.icon-a .bar3 {
  transform-box: fill-box;
  transform-origin: bottom center;
  transform: scaleY(0);
}
.icon-a .arrow-group {
  opacity: 0;
  transform: translateY(6px);
}
.letter-section.active .icon-a .bar1 {
  animation: barGrowA 0.4s cubic-bezier(0.34,1.1,0.64,1) 0.5s forwards;
}
.letter-section.active .icon-a .bar2 {
  animation: barGrowA 0.4s cubic-bezier(0.34,1.1,0.64,1) 0.62s forwards;
}
.letter-section.active .icon-a .bar3 {
  animation: barGrowA 0.4s cubic-bezier(0.34,1.1,0.64,1) 0.74s forwards;
}
.letter-section.active .icon-a .arrow-group {
  animation: arrowBounce 0.5s ease 0.9s forwards;
}

/* Reduced motion: skip all icon animations */
@media (prefers-reduced-motion: reduce) {
  .letter-icon {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .letter-section.active .icon-r .bar1,
  .letter-section.active .icon-r .bar2,
  .letter-section.active .icon-r .bar3,
  .letter-section.active .icon-r .arrow-line,
  .letter-section.active .icon-e .wave1,
  .letter-section.active .icon-e .wave2,
  .letter-section.active .icon-v .euro-arc,
  .letter-section.active .icon-v .euro-bar1,
  .letter-section.active .icon-v .euro-bar2,
  .letter-section.active .icon-s,
  .letter-section.active .icon-t .arm-upper,
  .letter-section.active .icon-a .bar1,
  .letter-section.active .icon-a .bar2,
  .letter-section.active .icon-a .bar3,
  .letter-section.active .icon-a .arrow-group {
    animation: none;
    opacity: 1;
    transform: none;
    stroke-dashoffset: 0;
  }
}