/* ============================================
   SKIN HEALTH - CONSTRUCTIVIST STYLE
   Inspired by El Lissitzky, Rodchenko, Moholy-Nagy
   ============================================ */

/* ---- Custom Properties ---- */
:root {
  --red: #C41E30;
  --red-dark: #9B1825;
  --black: #F7F4EF;
  --near-black: #F0ECE5;
  --dark: #FFFFFF;
  --cream: #2A2A2A;
  --white: #111111;
  --yellow: #B8960F;
  --yellow-dark: #8A7009;
  --gray: #777777;
  --gray-dark: #BBBBBB;
  --gray-light: #444444;

  --font-display: 'Bebas Neue', 'Oswald', Impact, sans-serif;
  --font-heading: 'Oswald', 'Arial Narrow', sans-serif;
  --font-mono: 'Space Mono', 'Courier New', monospace;
  --font-body: 'Space Mono', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --nav-height: 60px;
  --section-padding: clamp(60px, 10vw, 120px);
  --container-max: 1200px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
  font-size: 16px;
}

body {
  background: var(--black);
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--cream);
  text-decoration: none;
}

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

/* ---- Utility ---- */
.text-red { color: var(--red); }
.text-yellow { color: var(--yellow); }
.accent-dot { color: var(--red); }

.placeholder {
  opacity: 0.6;
  font-style: italic;
  border-left: 3px solid var(--red);
  padding-left: 1em;
}

/* ---- Reveal Animations ---- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.tier.reveal.revealed:nth-child(2) { transition-delay: 0.1s; }
.tier.reveal.revealed:nth-child(3) { transition-delay: 0.2s; }
.tier.reveal.revealed:nth-child(4) { transition-delay: 0.3s; }

.card-8020.reveal.revealed:nth-child(2) { transition-delay: 0.15s; }
.card-8020.reveal.revealed:nth-child(3) { transition-delay: 0.3s; }

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: transparent;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.nav.scrolled {
  background: rgba(247, 244, 239, 0.97);
  box-shadow: 0 2px 0 var(--red), 0 4px 20px rgba(0, 0, 0, 0.08);
}

.nav__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-family: var(--font-display);
  font-size: 1.8rem;
  letter-spacing: 2px;
  color: var(--white);
  position: relative;
}

.nav__logo::before {
  content: '';
  position: absolute;
  left: -8px;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 100%;
  background: var(--red);
}

.nav__stripe {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--red);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.nav.scrolled .nav__stripe {
  transform: scaleX(1);
}

.nav__links {
  display: flex;
  list-style: none;
  gap: 0;
}

.nav__links li a {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 0.5rem 0.9rem;
  color: var(--gray-light);
  transition: color 0.2s, background 0.2s;
  position: relative;
}

.nav__links li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--red);
  transition: width 0.2s, left 0.2s;
}

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

.nav__links li a:hover::after {
  width: 100%;
  left: 0;
}

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

.nav__toggle span {
  width: 28px;
  height: 2px;
  background: var(--cream);
  transition: transform 0.3s, opacity 0.3s;
}

.nav__toggle.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav__toggle.open span:nth-child(2) {
  opacity: 0;
}
.nav__toggle.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 900px) {
  .nav__toggle { display: flex; }
  .nav__links {
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(247, 244, 239, 0.98);
    flex-direction: column;
    padding: 1rem 2rem;
    transform: translateY(-20px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s, opacity 0.3s;
  }
  .nav__links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  .nav__links li a {
    display: block;
    padding: 0.7rem 0;
    font-size: 0.9rem;
  }
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: var(--near-black);
}

.hero__bg-shapes {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.hero__circle {
  position: absolute;
  width: clamp(300px, 50vw, 700px);
  height: clamp(300px, 50vw, 700px);
  border: clamp(8px, 2vw, 20px) solid var(--red);
  border-radius: 50%;
  top: -10%;
  right: -15%;
  opacity: 0.15;
}

.hero__diagonal {
  position: absolute;
  width: 200%;
  height: 3px;
  background: var(--red);
  top: 65%;
  left: -20%;
  transform: rotate(-15deg);
  opacity: 0.3;
}

.hero__bar--1 {
  position: absolute;
  width: clamp(40px, 8vw, 80px);
  height: 50%;
  background: var(--red);
  bottom: 0;
  right: 12%;
  opacity: 0.08;
}

.hero__bar--2 {
  position: absolute;
  width: clamp(20px, 4vw, 40px);
  height: 35%;
  background: var(--yellow);
  bottom: 0;
  right: 8%;
  opacity: 0.06;
}

.hero__triangle {
  position: absolute;
  width: 0;
  height: 0;
  border-left: 120px solid transparent;
  border-right: 120px solid transparent;
  border-bottom: 200px solid var(--red);
  top: 15%;
  left: 5%;
  opacity: 0.05;
  transform: rotate(20deg);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: var(--container-max);
  padding: 2rem;
  width: 100%;
}

.hero__subtitle-top {
  font-family: var(--font-mono);
  font-size: clamp(0.65rem, 1.2vw, 0.85rem);
  letter-spacing: 6px;
  color: var(--red);
  margin-bottom: 1.5rem;
  text-transform: uppercase;
}

.hero__title {
  font-family: var(--font-display);
  line-height: 0.95;
  margin-bottom: 2rem;
}

.hero__title-line {
  display: block;
}

.hero__title-line--1 {
  font-size: clamp(4rem, 14vw, 12rem);
  color: var(--white);
  letter-spacing: -2px;
}

.hero__title-line--2 {
  font-size: clamp(4rem, 14vw, 12rem);
  color: var(--red);
  letter-spacing: -2px;
  margin-left: clamp(10px, 3vw, 40px);
}

.hero__title-line--3 {
  font-size: clamp(1.8rem, 5vw, 4.5rem);
  color: var(--cream);
  letter-spacing: 2px;
  margin-top: 0.2em;
}

.hero__title-line--4 {
  font-size: clamp(3rem, 10vw, 9rem);
  color: var(--yellow);
  letter-spacing: -1px;
  margin-left: clamp(20px, 5vw, 80px);
  position: relative;
}

.hero__title-line--4::before {
  content: '';
  position: absolute;
  left: -20px;
  top: 50%;
  width: 10px;
  height: 60%;
  background: var(--red);
  transform: translateY(-50%);
}

.hero__tagline {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 3rem;
  max-width: 500px;
}

.hero__tagline-bar {
  flex-shrink: 0;
  width: 60px;
  height: 3px;
  background: var(--red);
}

.hero__tagline p {
  font-family: var(--font-mono);
  font-size: clamp(0.7rem, 1.2vw, 0.9rem);
  color: var(--gray-light);
  line-height: 1.5;
}

.hero__cta {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: 4px;
  padding: 0.8rem 2.5rem;
  background: var(--red);
  color: #FFFFFF;
  clip-path: polygon(0 0, 100% 0, 95% 100%, 5% 100%);
  transition: background 0.2s, transform 0.2s;
}

.hero__cta:hover {
  background: var(--red-dark);
  transform: scale(1.05);
}

.hero__year {
  position: absolute;
  bottom: 2rem;
  right: 3rem;
  font-family: var(--font-display);
  font-size: clamp(4rem, 10vw, 10rem);
  color: var(--white);
  opacity: 0.03;
  z-index: 0;
  line-height: 1;
}

/* ============================================
   SECTION COMMON
   ============================================ */
.section {
  padding: var(--section-padding) 2rem;
  max-width: var(--container-max);
  margin: 0 auto;
  position: relative;
}

.section__header {
  margin-bottom: clamp(2rem, 5vw, 4rem);
  position: relative;
}

.section__number {
  font-family: var(--font-display);
  font-size: clamp(4rem, 8vw, 8rem);
  color: var(--white);
  opacity: 0.04;
  position: absolute;
  top: -0.5em;
  left: -0.2em;
  line-height: 1;
  z-index: 0;
  pointer-events: none;
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 5rem);
  letter-spacing: 2px;
  color: var(--white);
  position: relative;
  z-index: 1;
}

.section__rule {
  width: 80px;
  height: 4px;
  background: var(--red);
  margin-top: 0.8rem;
  margin-bottom: 1rem;
}

.section__rule--yellow {
  background: var(--yellow);
}

.section__subtitle {
  font-family: var(--font-mono);
  font-size: clamp(0.7rem, 1.1vw, 0.85rem);
  color: var(--gray);
  letter-spacing: 1px;
  max-width: 500px;
}

/* ============================================
   SECTION: THE 80/20
   ============================================ */
.section--8020 {
  border-top: 2px solid var(--red);
}

.section--8020::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  width: 200vw;
  height: 100%;
  transform: translateX(-50%) skewY(-2deg);
  background: linear-gradient(180deg, rgba(196, 30, 48, 0.04) 0%, transparent 60%);
  z-index: -1;
  pointer-events: none;
}

.cards-8020 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.card-8020 {
  background: var(--dark);
  padding: 2.5rem 2rem 2rem;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.1);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  transition: transform 0.3s, box-shadow 0.3s;
}

.card-8020:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.card-8020--accent {
  border-left: 4px solid var(--red);
}

.card-8020__number {
  font-family: var(--font-display);
  font-size: 5rem;
  color: var(--white);
  opacity: 0.04;
  position: absolute;
  top: -0.15em;
  right: 0.1em;
  line-height: 1;
  pointer-events: none;
}

.card-8020__stripe {
  width: 40px;
  height: 3px;
  background: var(--red);
  margin-bottom: 1.2rem;
}

.card-8020__title {
  font-family: var(--font-display);
  font-size: 2rem;
  letter-spacing: 2px;
  color: var(--white);
  margin-bottom: 1rem;
}

.card-8020__body {
  font-size: 0.85rem;
  color: var(--gray-light);
  line-height: 1.7;
}

/* ============================================
   SECTION: TIER LIST
   ============================================ */
.section--tiers {
  overflow: visible;
}

.section--tiers::after {
  content: '';
  position: absolute;
  top: 20%;
  right: -60px;
  width: 120px;
  height: 120px;
  border: 4px solid var(--red);
  opacity: 0.06;
  transform: rotate(45deg);
  pointer-events: none;
}

.tier-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.tier {
  display: grid;
  grid-template-columns: 70px 1fr;
  min-height: 60px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  background: var(--dark);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
}

.tier__label {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 2.2rem;
  color: var(--black);
  font-weight: 700;
}

.tier--s .tier__label { background: var(--red); color: #FFFFFF; }
.tier--a .tier__label { background: var(--yellow); color: var(--black); }
.tier--b .tier__label { background: var(--cream); color: var(--black); }
.tier--c .tier__label { background: var(--gray); color: var(--black); }

.tier__content {
  padding: 0.5rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* Tier Cards (collapsible) */
.tier-card {
  border-bottom: 1px solid rgba(0, 0, 0, 0.07);
}

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

.tier-card__summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.8rem 0.5rem;
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  letter-spacing: 1px;
  color: var(--cream);
  list-style: none;
  transition: color 0.2s;
}

.tier-card__summary::-webkit-details-marker { display: none; }

.tier-card__summary:hover {
  color: var(--white);
}

.tier-card__toggle {
  width: 12px;
  height: 12px;
  position: relative;
  flex-shrink: 0;
}

.tier-card__toggle::before,
.tier-card__toggle::after {
  content: '';
  position: absolute;
  background: var(--red);
  transition: transform 0.3s;
}

.tier-card__toggle::before {
  width: 12px;
  height: 2px;
  top: 5px;
  left: 0;
}

.tier-card__toggle::after {
  width: 2px;
  height: 12px;
  top: 0;
  left: 5px;
}

.tier-card[open] .tier-card__toggle::after {
  transform: rotate(90deg);
}

.tier-card__body {
  padding: 0 0.5rem 1rem;
  font-size: 0.8rem;
  color: var(--gray-light);
  line-height: 1.7;
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============================================
   SECTION: BY PROBLEM (Tabs)
   ============================================ */
.section--problems {
  border-top: 2px solid var(--gray-dark);
}

.section--problems::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  width: 30%;
  height: 2px;
  background: var(--red);
}

.problem-tabs__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin-bottom: 0;
  border-bottom: 2px solid var(--gray-dark);
}

.problem-tab {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  letter-spacing: 2px;
  padding: 1rem 1.5rem;
  background: none;
  border: none;
  color: var(--gray);
  cursor: pointer;
  position: relative;
  transition: color 0.2s, background 0.2s;
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}

.problem-tab:hover {
  color: var(--cream);
  background: rgba(0, 0, 0, 0.04);
}

.problem-tab.active {
  color: #FFFFFF;
  background: var(--red);
}

.problem-panels {
  background: var(--dark);
  border: 1px solid rgba(0, 0, 0, 0.07);
  border-top: none;
  min-height: 200px;
}

.problem-panel {
  display: none;
  padding: 2rem;
  animation: fadeIn 0.3s ease;
}

.problem-panel.active {
  display: block;
}

.problem-panel h3 {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--red);
  margin-bottom: 1rem;
  letter-spacing: 2px;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@media (max-width: 600px) {
  .problem-tab {
    font-size: 0.65rem;
    padding: 0.7rem 0.8rem;
    letter-spacing: 1px;
    clip-path: none;
  }
}

/* ============================================
   SECTION: WHAT DOESN'T WORK
   ============================================ */
.section--myths {
  max-width: none;
  background: var(--near-black);
  padding-left: 2rem;
  padding-right: 2rem;
  overflow: hidden;
  position: relative;
}

.myths__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.myths__x--1,
.myths__x--2 {
  position: absolute;
  font-family: var(--font-display);
  color: var(--red);
  opacity: 0.04;
  font-size: 30rem;
  line-height: 1;
}

.myths__x--1 {
  top: -10%;
  right: -5%;
  transform: rotate(12deg);
}

.myths__x--2 {
  bottom: -15%;
  left: -10%;
  transform: rotate(-8deg);
}

.myths__stripe {
  position: absolute;
  width: 300%;
  height: 60px;
  background: repeating-linear-gradient(
    90deg,
    var(--yellow) 0,
    var(--yellow) 30px,
    var(--black) 30px,
    var(--black) 60px
  );
  top: 50%;
  left: -50%;
  transform: rotate(-5deg);
  opacity: 0.03;
}

.section--myths .section__header,
.section--myths .myths-grid {
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  position: relative;
  z-index: 1;
}

.myths-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.myth-card {
  background: rgba(196, 30, 48, 0.06);
  border: 1px solid rgba(196, 30, 48, 0.2);
  padding: 2rem 1.5rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s, border-color 0.3s;
}

.myth-card:hover {
  transform: rotate(-1deg) scale(1.02);
  border-color: var(--red);
}

.myth-card__x {
  font-family: var(--font-display);
  font-size: 4rem;
  color: var(--red);
  line-height: 1;
  margin-bottom: 0.5rem;
  opacity: 0.7;
}

.myth-card__title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--cream);
  letter-spacing: 2px;
  margin-bottom: 0.8rem;
  text-decoration: line-through;
  text-decoration-color: var(--red);
  text-decoration-thickness: 3px;
}

.myth-card p {
  font-size: 0.8rem;
  color: var(--gray-light);
  line-height: 1.6;
}

/* ============================================
   SECTION: EXPERIMENTAL
   ============================================ */
.section--experimental {
  border-top: 2px solid var(--yellow);
  position: relative;
}

.section--experimental::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 200px;
  height: 200px;
  background: conic-gradient(from 45deg, transparent 0%, var(--yellow) 25%, transparent 25%);
  opacity: 0.03;
  pointer-events: none;
}

.experimental-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.exp-card {
  background: var(--dark);
  padding: 2rem 1.5rem;
  border: 1px solid rgba(184, 150, 15, 0.1);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s, border-color 0.3s;
}

.exp-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--yellow), transparent);
}

.exp-card:hover {
  transform: translateY(-3px);
  border-color: var(--yellow);
}

.exp-card__status {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 2px;
  padding: 0.25rem 0.6rem;
  background: rgba(184, 150, 15, 0.1);
  color: var(--yellow);
  margin-bottom: 1rem;
  border: 1px solid rgba(184, 150, 15, 0.3);
}

.exp-card__title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--white);
  letter-spacing: 2px;
  margin-bottom: 0.8rem;
}

.exp-card p {
  font-size: 0.8rem;
  color: var(--gray-light);
  line-height: 1.7;
}

/* ============================================
   SECTION: SKIN OF COLOR
   ============================================ */
.section--soc {
  border-top: 2px solid var(--red);
  position: relative;
}

.section--soc::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: -40px;
  width: clamp(100px, 20vw, 250px);
  height: clamp(100px, 20vw, 250px);
  border: 6px solid var(--red);
  border-radius: 50%;
  opacity: 0.04;
  pointer-events: none;
}

.soc-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
  align-items: start;
}

.soc-content__main {
  font-size: 0.85rem;
  color: var(--gray-light);
  line-height: 1.8;
}

.soc-callout {
  background: var(--red);
  color: #FFFFFF;
  padding: 2rem;
  clip-path: polygon(0 5%, 100% 0, 100% 95%, 0 100%);
}

.soc-callout h4 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: 2px;
  margin-bottom: 0.8rem;
  color: #FFFFFF;
}

.soc-callout p,
.soc-callout .placeholder {
  font-size: 0.8rem;
  opacity: 0.9;
  line-height: 1.6;
  border-left-color: var(--white);
}

@media (max-width: 700px) {
  .soc-content {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   SECTION: THE ROUTINE
   ============================================ */
.section--routine {
  border-top: 2px solid var(--red);
}

.routine-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0;
  align-items: start;
}

.routine-step {
  background: var(--dark);
  border: 1px solid rgba(0, 0, 0, 0.07);
  position: relative;
  overflow: hidden;
}

.routine-step__time {
  font-family: var(--font-display);
  font-size: 4rem;
  color: var(--red);
  padding: 1.5rem 2rem 0;
  line-height: 1;
  letter-spacing: 4px;
}

.routine-step__body {
  padding: 1rem 2rem 2rem;
}

.routine-step__body h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  letter-spacing: 3px;
  color: var(--white);
  margin-bottom: 1rem;
}

.routine-step__body ol {
  padding-left: 1.2rem;
  font-size: 0.85rem;
  color: var(--gray-light);
}

.routine-step__body ol li {
  margin-bottom: 0.5rem;
  line-height: 1.5;
}

.routine-divider {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 2rem 1rem;
}

.routine-divider__line {
  width: 2px;
  height: 40px;
  background: var(--red);
  opacity: 0.3;
}

.routine-divider__icon {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--red);
}

@media (max-width: 700px) {
  .routine-grid {
    grid-template-columns: 1fr;
  }
  .routine-divider {
    flex-direction: row;
    padding: 1rem;
  }
  .routine-divider__line {
    width: 40px;
    height: 2px;
  }
}

/* ============================================
   SECTION: COST-EFFECTIVENESS
   ============================================ */
.section--cost {
  border-top: 2px solid var(--yellow);
}

.cost-table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.cost-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.cost-table thead {
  border-bottom: 3px solid var(--yellow);
}

.cost-table th {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  letter-spacing: 2px;
  color: var(--yellow);
  text-align: left;
  padding: 1rem 1rem;
  white-space: nowrap;
}

.cost-table td {
  padding: 1rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.07);
  color: var(--gray-light);
  vertical-align: middle;
}

.cost-table tbody tr:hover {
  background: rgba(184, 150, 15, 0.06);
}

.cost-rank {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--white);
  opacity: 0.4;
}

.evidence-bar {
  display: inline-block;
  height: 8px;
  border-radius: 1px;
  background: var(--gray-dark);
  position: relative;
}

.evidence-bar::before {
  content: '';
  display: block;
  height: 100%;
  border-radius: 1px;
}

.evidence-bar--5 { width: 100px; }
.evidence-bar--5::before { width: 100%; background: var(--red); }
.evidence-bar--4 { width: 100px; }
.evidence-bar--4::before { width: 80%; background: var(--yellow); }
.evidence-bar--3 { width: 100px; }
.evidence-bar--3::before { width: 60%; background: var(--cream); }

.cost-value {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  letter-spacing: 2px;
  font-weight: 600;
}

.cost-value--best { color: var(--red); }
.cost-value--great { color: var(--yellow); }
.cost-value--good { color: var(--gray); }

/* ============================================
   SECTION: METHODOLOGY
   ============================================ */
.section--methodology {
  border-top: 2px solid var(--gray-dark);
  padding-bottom: calc(var(--section-padding) + 2rem);
}

.section--methodology::before {
  content: '';
  position: absolute;
  top: -1px;
  right: 0;
  width: 30%;
  height: 2px;
  background: var(--red);
}

.methodology-content__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.methodology-block {
  background: var(--dark);
  padding: 2rem;
  border-top: 3px solid var(--red);
  position: relative;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.methodology-block::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 30px;
  background: var(--red);
}

.methodology-block h3 {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  letter-spacing: 2px;
  color: var(--white);
  margin-bottom: 1rem;
}

.methodology-block p {
  font-size: 0.8rem;
  color: var(--gray-light);
  line-height: 1.7;
}

/* ============================================
   WIKI BANNER
   ============================================ */
.wiki-banner {
  background: #C41E30;
  padding: 0.8rem 2rem;
  position: relative;
  overflow: hidden;
}

.wiki-banner::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 300px; height: 100%;
  background: linear-gradient(135deg, transparent 50%, rgba(255,255,255,0.05) 50%);
}

.wiki-banner__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.wiki-banner__text {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.wiki-banner__label {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  letter-spacing: 3px;
  color: #fff;
  font-weight: 600;
}

.wiki-banner__desc {
  font-family: var(--font-body);
  font-size: 0.78rem;
  color: rgba(255,255,255,0.75);
}

.wiki-banner__btn {
  flex-shrink: 0;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  letter-spacing: 3px;
  padding: 0.5rem 1.5rem;
  border: 1px solid rgba(255,255,255,0.4);
  color: #fff;
  text-decoration: none;
  transition: all 0.2s;
  white-space: nowrap;
}

.wiki-banner__btn:hover {
  background: #fff;
  color: #C41E30;
  border-color: #fff;
  text-decoration: none;
}

.wiki-banner--bottom {
  background: #111;
  border-top: 3px solid #C41E30;
  padding: 1.5rem 2rem;
}

.wiki-banner--bottom .wiki-banner__btn {
  border-color: #C41E30;
  background: #C41E30;
}

.wiki-banner--bottom .wiki-banner__btn:hover {
  background: #fff;
  color: #C41E30;
}

@media (max-width: 680px) {
  .wiki-banner__inner {
    flex-direction: column;
    text-align: center;
    gap: 0.8rem;
  }
  .wiki-banner__text {
    flex-direction: column;
    gap: 0.3rem;
  }
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--near-black);
  border-top: 3px solid var(--red);
  padding: 3rem 2rem;
  position: relative;
  overflow: hidden;
}

.footer__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer__brand {
  display: flex;
  align-items: baseline;
}

.footer__logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: 3px;
  color: var(--white);
}

.footer__dot {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--red);
  margin-left: 2px;
}

.footer__disclaimer {
  font-size: 0.7rem;
  color: var(--gray);
  max-width: 400px;
  text-align: center;
}

.footer__geometric {
  display: flex;
  gap: 8px;
  align-items: center;
}

.footer__shape--1 {
  width: 12px;
  height: 12px;
  background: var(--red);
}

.footer__shape--2 {
  width: 12px;
  height: 12px;
  background: var(--yellow);
  transform: rotate(45deg);
}

.footer__shape--3 {
  width: 0;
  height: 0;
  border-left: 7px solid transparent;
  border-right: 7px solid transparent;
  border-bottom: 12px solid var(--gray);
}

/* ============================================
   DECORATIVE SECTION DIVIDERS
   ============================================ */

/* Diagonal cut between hero and first section */
.hero::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 60px;
  background: var(--black);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
}

/* Diagonal also visible between hero and sections */
.hero::after {
  z-index: 2;
}

/* Constructivist grid overlay (very subtle) */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 99px,
      rgba(196, 30, 48, 0.02) 99px,
      rgba(196, 30, 48, 0.02) 100px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 99px,
      rgba(196, 30, 48, 0.02) 99px,
      rgba(196, 30, 48, 0.02) 100px
    );
  pointer-events: none;
  z-index: 9999;
}

/* ============================================
   SCROLLBAR
   ============================================ */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--near-black);
}

::-webkit-scrollbar-thumb {
  background: var(--red);
  border-radius: 0;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--red-dark);
}

/* ============================================
   SELECTION
   ============================================ */
::selection {
  background: var(--red);
  color: var(--white);
}

/* ============================================
   RESPONSIVE FINE-TUNING
   ============================================ */
@media (max-width: 480px) {
  .section {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .hero__content {
    padding: 1rem;
  }

  .hero__title-line--4::before {
    display: none;
  }

  .card-8020 {
    padding: 1.5rem 1.2rem;
  }

  .tier {
    grid-template-columns: 50px 1fr;
  }

  .tier__label {
    font-size: 1.6rem;
  }

  .cost-table {
    font-size: 0.75rem;
  }

  .cost-table th,
  .cost-table td {
    padding: 0.6rem 0.5rem;
  }

  .soc-callout {
    clip-path: none;
  }
}

/* ---- Evidence Tags ---- */
.evidence-tag {
  display: inline-block;
  padding: 0.15em 0.5em;
  font-family: 'Space Mono', monospace;
  font-size: 0.75em;
  font-weight: 700;
  letter-spacing: 0.05em;
  border-radius: 2px;
  vertical-align: middle;
  margin: 0 0.15em;
}
.evidence-tag--c1 { background: var(--red); color: #FFFFFF; }
.evidence-tag--c2 { background: var(--yellow); color: var(--black); }
.evidence-tag--c3 { background: var(--gray-dark); color: var(--cream); }
.evidence-tag--c4 { background: var(--near-black); color: var(--gray); border: 1px solid var(--gray-dark); }
.evidence-tag--c5 { background: transparent; color: var(--gray); border: 1px dashed var(--gray); }

/* ---- Stat Highlight ---- */
.stat-highlight {
  color: var(--red);
  font-weight: 700;
  font-family: 'Oswald', sans-serif;
}

/* ---- Cost Divider Row ---- */
.cost-divider td {
  border-top: 3px solid var(--red);
  border-bottom: 3px solid var(--red);
  padding: 0.8rem 0.5rem !important;
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--red);
  text-transform: uppercase;
  font-size: 0.85rem;
}

/* ---- Content list styles ---- */
.tier-card__body ul,
.problem-panel__inner ul,
.soc-content__main ul {
  list-style: none;
  padding-left: 0;
}
.tier-card__body ul li,
.problem-panel__inner ul li,
.soc-content__main ul li {
  padding-left: 1.2em;
  position: relative;
  margin-bottom: 0.4em;
}
.tier-card__body ul li::before,
.problem-panel__inner ul li::before,
.soc-content__main ul li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--red);
  font-weight: 700;
}

.tier-card__body ol,
.problem-panel__inner ol,
.routine-step__body ol {
  padding-left: 1.5em;
  counter-reset: item;
  list-style: none;
}
.tier-card__body ol li,
.problem-panel__inner ol li,
.routine-step__body ol li {
  counter-increment: item;
  margin-bottom: 0.5em;
  position: relative;
  padding-left: 0.5em;
}
.tier-card__body ol li::before,
.problem-panel__inner ol li::before,
.routine-step__body ol li::before {
  content: counter(item);
  position: absolute;
  left: -1.5em;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.1em;
  color: var(--red);
}

.problem-panel__inner h4 {
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  color: var(--red);
  margin: 1.5rem 0 0.5rem;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.soc-content__main h4 {
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  color: var(--red);
  margin: 1.2rem 0 0.5rem;
  font-size: 1rem;
  text-transform: uppercase;
}

/* ---- Worst value styling ---- */
.cost-value--poor {
  color: var(--gray);
  font-weight: 400;
}

/* ============================================
   EFFORT TIERS (Tiered Recommendations)
   ============================================ */
.effort-tiers {
  margin-top: 2rem;
  border-top: 3px solid var(--red);
  padding-top: 1.5rem;
}

.effort-tiers__header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.2rem;
  cursor: pointer;
  user-select: none;
}

.effort-tiers__header:hover .effort-tiers__title {
  color: var(--white);
}

.effort-tiers__bar {
  width: 40px;
  height: 3px;
  background: var(--red);
  flex-shrink: 0;
}

.effort-tiers__title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  letter-spacing: 3px;
  color: var(--cream);
  transition: color 0.2s;
}

.effort-tiers__toggle {
  width: 16px;
  height: 16px;
  position: relative;
  flex-shrink: 0;
  margin-left: auto;
}

.effort-tiers__toggle::before,
.effort-tiers__toggle::after {
  content: '';
  position: absolute;
  background: var(--red);
  transition: transform 0.3s;
}

.effort-tiers__toggle::before {
  width: 16px;
  height: 2px;
  top: 7px;
  left: 0;
}

.effort-tiers__toggle::after {
  width: 2px;
  height: 16px;
  top: 0;
  left: 7px;
}

.effort-tiers[data-expanded="true"] .effort-tiers__toggle::after {
  transform: rotate(90deg);
}

.effort-tiers__grid {
  display: none;
  flex-direction: column;
  gap: 0.8rem;
  animation: slideDown 0.3s ease;
}

.effort-tiers[data-expanded="true"] .effort-tiers__grid {
  display: flex;
}

.effort-tier {
  display: grid;
  grid-template-columns: clamp(90px, 12vw, 130px) 1fr;
  border: 1px solid rgba(0, 0, 0, 0.1);
  background: var(--dark);
  overflow: hidden;
  transition: transform 0.2s;
}

.effort-tier:hover {
  transform: translateX(4px);
}

.effort-tier__label {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1rem 0.5rem;
  text-align: center;
  position: relative;
}

.effort-tier__label::after {
  content: '';
  position: absolute;
  right: 0;
  top: 10%;
  height: 80%;
  width: 2px;
  background: inherit;
  opacity: 0.3;
}

.effort-tier__number {
  font-family: var(--font-display);
  font-size: 1.8rem;
  line-height: 1;
  letter-spacing: 1px;
}

.effort-tier__effort {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-top: 0.2rem;
  opacity: 0.8;
}

/* Tier color variants */
.effort-tier--1 .effort-tier__label {
  background: var(--red);
  color: #FFFFFF;
}
.effort-tier--1 .effort-tier__label::after {
  background: #FFFFFF;
}

.effort-tier--2 .effort-tier__label {
  background: var(--yellow);
  color: var(--black);
}
.effort-tier--2 .effort-tier__label::after {
  background: var(--black);
}

.effort-tier--3 .effort-tier__label {
  background: var(--cream);
  color: var(--black);
}
.effort-tier--3 .effort-tier__label::after {
  background: var(--black);
}

.effort-tier--4 .effort-tier__label {
  background: var(--gray-light);
  color: var(--black);
}
.effort-tier--4 .effort-tier__label::after {
  background: var(--black);
}

.effort-tier__content {
  padding: 1rem 1.2rem;
}

.effort-tier__name {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  letter-spacing: 2px;
  color: var(--cream);
  margin-bottom: 0.4rem;
  text-transform: uppercase;
}

.effort-tier__items {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.78rem;
  color: var(--gray-light);
  line-height: 1.6;
}

.effort-tier__items li {
  padding-left: 1em;
  position: relative;
  margin-bottom: 0.25rem;
}

.effort-tier__items li::before {
  content: '\25B8';
  position: absolute;
  left: 0;
  color: var(--red);
  font-size: 0.7em;
  top: 0.2em;
}

.effort-tier--2 .effort-tier__items li::before {
  color: var(--yellow);
}

.effort-tier__cost {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--gray);
  margin-top: 0.3rem;
  letter-spacing: 0.5px;
}

@media (max-width: 600px) {
  .effort-tier {
    grid-template-columns: 70px 1fr;
  }
  .effort-tier__number {
    font-size: 1.4rem;
  }
  .effort-tier__effort {
    font-size: 0.5rem;
  }
  .effort-tier__name {
    font-size: 0.75rem;
  }
  .effort-tier__items {
    font-size: 0.72rem;
  }
}

/* Wiki inline links */
.wiki-link {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px dotted #C41E30;
  transition: border-color 0.2s, color 0.2s;
}
.wiki-link:hover {
  color: #C41E30;
  border-bottom-style: solid;
  text-decoration: none;
}

/* Print styles */
@media print {
  body::before { display: none; }
  .nav { display: none; }
  .hero__bg-shapes { display: none; }
  .reveal { opacity: 1; transform: none; }
  body { background: white; color: black; }
  .section { padding: 2rem 0; }
}