/* ============================================================
   TRANSFORMLULU.COM — SHARED DESIGN SYSTEM
   ============================================================
   Color Palette (from presentation):
     Primary Red:    #D31334
     Dark Red:       #A30F28
     Black:          #1A1A1A
     Dark Gray:      #2D2D2D
     Medium Gray:    #6B6B6B
     Light Gray:     #F5F5F5
     White:          #FFFFFF

   Font: Montserrat (Google Fonts)

   TO EDIT COLORS: Change the CSS variables below.
   ============================================================ */

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

:root {
  --color-primary: #D31334;
  --color-primary-dark: #A30F28;
  --color-black: #1A1A1A;
  --color-dark-gray: #2D2D2D;
  --color-medium-gray: #6B6B6B;
  --color-light-gray: #F5F5F5;
  --color-white: #FFFFFF;
  --color-border: #E0E0E0;

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

  --max-width: 1200px;
  --nav-height: 72px;

  --transition-fast: 0.2s ease;
  --transition-medium: 0.4s ease;
  --transition-slow: 0.8s ease;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  color: var(--color-black);
  background-color: var(--color-white);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

/* ---- TYPOGRAPHY ---- */
h1 {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

h3 {
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  font-weight: 600;
  line-height: 1.3;
}

h4 {
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.4;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

p {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--color-dark-gray);
}

.text-small {
  font-size: 0.875rem;
}

.text-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-medium-gray);
}

.text-red {
  color: var(--color-primary);
}

.text-white {
  color: var(--color-white);
}

/* ---- NAVIGATION ---- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  display: flex;
  align-items: center;
  padding: 0 2rem;
  transition: background var(--transition-fast), box-shadow var(--transition-fast);
}

.nav--scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.nav--dark {
  background: var(--color-black);
  border-bottom-color: rgba(255, 255, 255, 0.1);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
}

.nav__logo {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav__logo-mark {
  width: 28px;
  height: 28px;
  background: var(--color-primary);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
  font-size: 0.85rem;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav__link {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  position: relative;
  padding: 0.25rem 0;
  transition: color var(--transition-fast);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition-medium);
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
}

.nav__link--active {
  color: var(--color-primary);
}

.nav--dark .nav__link {
  color: rgba(255, 255, 255, 0.7);
}

.nav--dark .nav__link:hover,
.nav--dark .nav__link--active {
  color: var(--color-white);
}

/* Mobile nav toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-black);
  transition: var(--transition-fast);
}

.nav--dark .nav__toggle span {
  background: var(--color-white);
}

/* ---- LAYOUT ---- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 6rem 0;
}

.section--dark {
  background: var(--color-black);
  color: var(--color-white);
}

.section--dark p {
  color: rgba(255, 255, 255, 0.7);
}

.section--gray {
  background: var(--color-light-gray);
}

.section--red {
  background: var(--color-primary);
  color: var(--color-white);
}

.section--red p {
  color: rgba(255, 255, 255, 0.85);
}

.grid {
  display: grid;
  gap: 2rem;
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* ---- HERO ---- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: var(--nav-height);
  position: relative;
  overflow: hidden;
}

.hero__content {
  position: relative;
  z-index: 2;
}

.hero__label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
  padding: 0.4rem 1rem;
  border: 1px solid var(--color-primary);
  border-radius: 2px;
}

.hero__title {
  margin-bottom: 1.5rem;
}

.hero__subtitle {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  font-weight: 400;
  color: var(--color-medium-gray);
  max-width: 640px;
  line-height: 1.6;
}

.hero__cta {
  margin-top: 2.5rem;
  display: flex;
  gap: 1rem;
  align-items: center;
}

/* ---- FULL-SCREEN SCROLL HEADLINES ---- */
.scroll-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  position: relative;
}

.scroll-section__content {
  max-width: 900px;
  text-align: center;
}

.scroll-section__number {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-primary);
  margin-bottom: 2rem;
  display: block;
}

.scroll-section__headline {
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.scroll-section__body {
  font-size: 1.15rem;
  color: var(--color-medium-gray);
  max-width: 600px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}

.scroll-section__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: 0.25rem;
  transition: gap var(--transition-fast);
}

.scroll-section__link:hover {
  gap: 0.75rem;
}

.scroll-section__link::after {
  content: '→';
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  font-family: var(--font-family);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: none;
  border-radius: 2px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.btn--primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(211, 19, 52, 0.3);
}

.btn--outline {
  background: transparent;
  color: var(--color-black);
  border: 2px solid var(--color-black);
}

.btn--outline:hover {
  background: var(--color-black);
  color: var(--color-white);
}

.btn--outline-white {
  background: transparent;
  color: var(--color-white);
  border: 2px solid var(--color-white);
}

.btn--outline-white:hover {
  background: var(--color-white);
  color: var(--color-black);
}

/* ---- CARDS ---- */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 2rem;
  transition: all var(--transition-fast);
}

.card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.card__icon {
  width: 48px;
  height: 48px;
  background: rgba(211, 19, 52, 0.08);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--color-primary);
  font-size: 1.2rem;
}

.card__title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.card__text {
  font-size: 0.95rem;
  color: var(--color-medium-gray);
  line-height: 1.6;
}

/* ---- STAT BLOCKS ---- */
.stat {
  text-align: center;
  padding: 1.5rem;
}

.stat__number {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat__label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-medium-gray);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ---- DIVIDER ---- */
.divider {
  width: 60px;
  height: 3px;
  background: var(--color-primary);
  margin: 1.5rem 0;
}

.divider--center {
  margin-left: auto;
  margin-right: auto;
}

/* ---- PROGRESS DOTS (scroll indicator) ---- */
.scroll-dots {
  position: fixed;
  right: 2rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.scroll-dots__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid var(--color-medium-gray);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.scroll-dots__dot--active {
  border-color: var(--color-primary);
  background: var(--color-primary);
  transform: scale(1.2);
}

/* ---- FOOTER ---- */
.footer {
  background: var(--color-black);
  color: rgba(255, 255, 255, 0.5);
  padding: 3rem 0;
  text-align: center;
  font-size: 0.85rem;
}

.footer a {
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-fast);
}

.footer a:hover {
  color: var(--color-white);
}

/* ---- ANIMATIONS ---- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in--visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-left--visible {
  opacity: 1;
  transform: translateX(0);
}

/* ---- PAGE HEADER (for inner pages) ---- */
.page-header {
  padding-top: calc(var(--nav-height) + 4rem);
  padding-bottom: 4rem;
  background: var(--color-black);
  color: var(--color-white);
}

.page-header__label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.page-header__title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1rem;
}

.page-header__subtitle {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.6);
  max-width: 600px;
}

/* ---- CHART / IMAGE EMBEDS ---- */
.chart-embed {
  margin: 3rem auto;
  max-width: 100%;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
  border: 1px solid var(--color-border);
  background: var(--color-white);
}

.chart-embed img {
  width: 100%;
  height: auto;
  display: block;
}

.chart-embed--no-border {
  border: none;
  box-shadow: none;
  background: transparent;
}

.chart-embed--dark {
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

.chart-embed__caption {
  padding: 0.75rem 1.25rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-medium-gray);
  background: var(--color-light-gray);
  letter-spacing: 0.04em;
}

.chart-embed__caption--dark {
  background: var(--color-dark-gray);
  color: rgba(255, 255, 255, 0.5);
}

.chart-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin: 2rem 0;
}

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

/* ---- RESPONSIVE ---- */
@media (max-width: 1024px) {
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav__links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--color-border);
    gap: 1rem;
  }

  .nav--dark .nav__links {
    background: var(--color-black);
  }

  .nav__links--open {
    display: flex;
  }

  .nav__toggle {
    display: flex;
  }

  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 4rem 0;
  }

  .scroll-dots {
    display: none;
  }

  .hero__cta {
    flex-direction: column;
    align-items: flex-start;
  }
}