/* ============================================
   NARUTO × SASUKE — A STUDY IN CONTRAST
   Dark, minimalist fansite stylesheet
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;900&family=Playfair+Display:ital,wght@0,700;0,900;1,700&display=swap');

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Base palette */
  --color-black:      #080808;
  --color-void:       #0d0d0f;
  --color-dark:       #111114;
  --color-surface:    #16161a;
  --color-surface-2:  #1c1c22;
  --color-border:     rgba(255,255,255,0.07);
  --color-border-mid: rgba(255,255,255,0.12);

  /* Text */
  --color-text-primary:   #e8e8ec;
  --color-text-secondary: #8888a0;
  --color-text-muted:     #555568;

  /* Naruto — orange chakra */
  --color-naruto:        #d45f0e;
  --color-naruto-soft:   rgba(212, 95, 14, 0.12);
  --color-naruto-glow:   rgba(212, 95, 14, 0.25);

  /* Sasuke — Rinnegan / Uchiha purple */
  --color-sasuke:        #6b41c8;
  --color-sasuke-soft:   rgba(107, 65, 200, 0.12);
  --color-sasuke-glow:   rgba(107, 65, 200, 0.25);

  /* Typography */
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body:    'Inter', system-ui, sans-serif;

  /* Spacing */
  --section-gap: 6rem;
  --container:   1200px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--color-black);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }

/* ---------- Utility ---------- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-label {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 1.2rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-text-primary);
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  max-width: 580px;
  line-height: 1.8;
}

.divider {
  width: 1px;
  height: 48px;
  background: var(--color-border-mid);
  margin: 1.5rem 0;
}

/* ---------- Fade-in on scroll ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in.delay-1 { transition-delay: 0.1s; }
.fade-in.delay-2 { transition-delay: 0.2s; }
.fade-in.delay-3 { transition-delay: 0.3s; }
.fade-in.delay-4 { transition-delay: 0.4s; }

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.25rem 0;
  transition: background 0.4s ease, backdrop-filter 0.4s ease;
}

.nav.scrolled {
  background: rgba(8, 8, 8, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: 0.02em;
}

.nav-logo span.naruto-accent { color: var(--color-naruto); }
.nav-logo span.sasuke-accent { color: var(--color-sasuke); }

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  transition: color 0.25s;
}
.nav-links a:hover { color: var(--color-text-primary); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--color-text-secondary);
  transition: all 0.3s;
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/hero-naruto-sasuke-fight-dramatic.png');
  background-size: cover;
  background-position: center top;
  transform: scale(1.05);
  transition: transform 8s ease;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(8,8,8,0.55) 0%,
    rgba(8,8,8,0.35) 30%,
    rgba(8,8,8,0.70) 65%,
    rgba(8,8,8,1)   100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 0 0 6rem;
  width: 100%;
}

.hero-eyebrow {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.8rem, 8vw, 6rem);
  font-weight: 900;
  line-height: 1.05;
  color: var(--color-text-primary);
  max-width: 780px;
  margin-bottom: 1.8rem;
}

.hero-title .accent-naruto { color: var(--color-naruto); }
.hero-title .accent-sasuke { color: var(--color-sasuke); }

.hero-sub {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  max-width: 520px;
  line-height: 1.8;
  margin-bottom: 2.5rem;
}

.hero-cta-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

.btn {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.85rem 2rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-naruto {
  background: var(--color-naruto);
  color: #fff;
  border-color: var(--color-naruto);
}
.btn-naruto:hover {
  background: transparent;
  color: var(--color-naruto);
}

.btn-outline {
  background: transparent;
  color: var(--color-text-secondary);
  border-color: var(--color-border-mid);
}
.btn-outline:hover {
  border-color: var(--color-text-secondary);
  color: var(--color-text-primary);
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  right: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-muted);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  z-index: 2;
}

.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, transparent, var(--color-text-muted));
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; }
  50%       { opacity: 1; }
}

/* ============================================
   STORY / NARRATIVE
   ============================================ */
.story {
  padding: var(--section-gap) 0;
  background: var(--color-void);
}

.story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.story-image {
  position: relative;
  overflow: hidden;
}

.story-image img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  object-position: center;
  filter: brightness(0.75) saturate(0.6);
  transition: filter 0.5s;
}
.story-image:hover img {
  filter: brightness(0.85) saturate(0.7);
}

.story-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-naruto-soft), var(--color-sasuke-soft));
  z-index: 1;
  mix-blend-mode: screen;
  pointer-events: none;
}

.story-text .section-title { max-width: 440px; }

.story-body {
  margin-top: 1.2rem;
  color: var(--color-text-secondary);
  line-height: 1.9;
}

.story-body p + p { margin-top: 1rem; }

/* ============================================
   COMPARISON
   ============================================ */
.comparison {
  padding: var(--section-gap) 0;
  background: var(--color-dark);
}

.comparison-header {
  text-align: center;
  margin-bottom: 4rem;
}

.comparison-header .section-label { text-align: center; }
.comparison-header .section-title { margin: 0 auto 1rem; max-width: 600px; }
.comparison-header .section-subtitle { margin: 0 auto; text-align: center; }

.versus-badge {
  display: inline-block;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 1px solid var(--color-border-mid);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  text-align: center;
  line-height: 48px;
  margin: 0 auto 2.5rem;
}

/* Portrait row */
.comparison-portraits {
  display: grid;
  grid-template-columns: 1fr 60px 1fr;
  gap: 0;
  margin-bottom: 3rem;
  align-items: end;
}

.comparison-portrait-card {
  position: relative;
  overflow: hidden;
}

.comparison-portrait-card img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  object-position: center top;
  filter: brightness(0.7) saturate(0.5);
  transition: filter 0.5s, transform 0.5s;
}
.comparison-portrait-card:hover img {
  filter: brightness(0.85) saturate(0.65);
  transform: scale(1.02);
}

.comparison-portrait-card.naruto-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(212,95,14,0.35) 0%, transparent 55%);
  pointer-events: none;
}

.comparison-portrait-card.sasuke-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(107,65,200,0.35) 0%, transparent 55%);
  pointer-events: none;
}

.portrait-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 2rem 1.5rem 1.5rem;
  z-index: 2;
}

.portrait-name {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 900;
  margin-bottom: 0.25rem;
}
.naruto-card .portrait-name { color: var(--color-naruto); }
.sasuke-card .portrait-name { color: var(--color-sasuke); }

.portrait-sub {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
}

.comparison-divider {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  padding-bottom: 1.5rem;
  gap: 0.5rem;
  color: var(--color-text-muted);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}
.comparison-divider-line {
  flex: 1;
  width: 1px;
  background: var(--color-border);
  max-height: 300px;
}

/* Category rows */
.comparison-categories {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.comparison-category {
  border-top: 1px solid var(--color-border);
}
.comparison-category:last-child {
  border-bottom: 1px solid var(--color-border);
}

.comparison-category-header {
  display: grid;
  grid-template-columns: 1fr 60px 1fr;
  align-items: center;
  padding: 0;
  cursor: pointer;
}

.category-label-center {
  text-align: center;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding: 1rem 0;
  position: relative;
}
.category-label-center::before,
.category-label-center::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 1px;
  height: 16px;
  background: var(--color-border);
  transform: translateY(-50%);
}
.category-label-center::before { left: 0; }
.category-label-center::after  { right: 0; }

.comparison-row {
  display: grid;
  grid-template-columns: 1fr 60px 1fr;
  border-top: 1px solid var(--color-border);
}

.comparison-cell {
  padding: 2rem;
}
.comparison-cell.naruto-cell {
  border-right: 1px solid var(--color-border);
}

.cell-tag {
  display: inline-block;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  border-radius: 2px;
  margin-bottom: 0.75rem;
}
.naruto-cell .cell-tag {
  background: var(--color-naruto-soft);
  color: var(--color-naruto);
  border: 1px solid rgba(212,95,14,0.25);
}
.sasuke-cell .cell-tag {
  background: var(--color-sasuke-soft);
  color: var(--color-sasuke);
  border: 1px solid rgba(107,65,200,0.25);
}

.cell-value {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.cell-desc {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
}

.comparison-cell-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  border-left: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
}

/* ============================================
   CHARACTER PROFILES
   ============================================ */
.profiles {
  padding: var(--section-gap) 0;
  background: var(--color-void);
}

.profiles-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  margin-top: 3rem;
}

.profile-card {
  position: relative;
  overflow: hidden;
  min-height: 600px;
  cursor: pointer;
}

.profile-card-img {
  position: absolute;
  inset: 0;
}
.profile-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  filter: brightness(0.45) saturate(0.4);
  transition: filter 0.6s, transform 0.6s;
}
.profile-card:hover .profile-card-img img {
  filter: brightness(0.6) saturate(0.55);
  transform: scale(1.04);
}

.profile-card-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.naruto-profile .profile-card-overlay {
  background: linear-gradient(160deg,
    transparent 20%,
    rgba(212,95,14,0.08) 60%,
    rgba(212,95,14,0.22) 100%
  );
}
.sasuke-profile .profile-card-overlay {
  background: linear-gradient(160deg,
    transparent 20%,
    rgba(107,65,200,0.08) 60%,
    rgba(107,65,200,0.22) 100%
  );
}

.profile-card-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  height: 100%;
  min-height: 600px;
  padding: 3rem 2.5rem;
}

.profile-card-eyebrow {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}
.naruto-profile .profile-card-eyebrow { color: var(--color-naruto); }
.sasuke-profile .profile-card-eyebrow { color: var(--color-sasuke); }

.profile-card-name {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  color: var(--color-text-primary);
  margin-bottom: 0.5rem;
  line-height: 1.1;
}

.profile-card-title {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.profile-card-bio {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  max-width: 380px;
  margin-bottom: 2rem;
}

.profile-traits {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.trait-chip {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.3rem 0.75rem;
  border: 1px solid;
}
.naruto-profile .trait-chip {
  border-color: rgba(212,95,14,0.4);
  color: var(--color-naruto);
  background: rgba(212,95,14,0.06);
}
.sasuke-profile .trait-chip {
  border-color: rgba(107,65,200,0.4);
  color: var(--color-sasuke);
  background: rgba(107,65,200,0.06);
}

/* ============================================
   ICONIC MOMENTS
   ============================================ */
.moments {
  padding: var(--section-gap) 0;
  background: var(--color-dark);
}

.moments-header {
  margin-bottom: 3.5rem;
}

.moments-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
}

.moment-card {
  position: relative;
  overflow: hidden;
  background: var(--color-surface);
  padding: 2.5rem 2rem;
  border: 1px solid var(--color-border);
  transition: border-color 0.3s, background 0.3s;
}

.moment-card:hover {
  background: var(--color-surface-2);
  border-color: var(--color-border-mid);
}

.moment-num {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 900;
  color: rgba(255,255,255,0.04);
  line-height: 1;
  margin-bottom: 1rem;
  user-select: none;
}

.moment-chapter {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
}

.moment-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.3;
  margin-bottom: 1rem;
}

.moment-desc {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.moment-accent {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  opacity: 0;
  transition: opacity 0.3s;
}
.moment-card:hover .moment-accent { opacity: 1; }
.moment-card.accent-naruto .moment-accent { background: var(--color-naruto); }
.moment-card.accent-sasuke .moment-accent { background: var(--color-sasuke); }
.moment-card.accent-both .moment-accent {
  background: linear-gradient(90deg, var(--color-naruto), var(--color-sasuke));
}

/* Optional accent image */
.moments-accent-image {
  margin-top: 2px;
  position: relative;
  overflow: hidden;
}
.moments-accent-image img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  object-position: center;
  filter: brightness(0.5) saturate(0.35);
  display: block;
}
.moments-accent-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(8,8,8,0.8) 0%,
    transparent 40%,
    transparent 60%,
    rgba(8,8,8,0.8) 100%
  );
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--color-void);
  border-top: 1px solid var(--color-border);
  padding: 4rem 0 2rem;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: start;
  margin-bottom: 3rem;
}

.footer-brand {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 0.75rem;
}

.footer-brand .accent-naruto { color: var(--color-naruto); }
.footer-brand .accent-sasuke { color: var(--color-sasuke); }

.footer-tagline {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  max-width: 320px;
  line-height: 1.7;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  text-align: right;
}

.footer-nav a {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  transition: color 0.25s;
}
.footer-nav a:hover { color: var(--color-text-primary); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-copy {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}

.footer-disclaimer {
  font-size: 0.68rem;
  color: rgba(255,255,255,0.18);
  text-align: right;
  max-width: 380px;
  line-height: 1.6;
}

/* ============================================
   MOBILE NAV OVERLAY
   ============================================ */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99;
  background: rgba(8,8,8,0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
}

.mobile-nav.open { display: flex; }

.mobile-nav a {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text-secondary);
  transition: color 0.25s;
}
.mobile-nav a:hover { color: var(--color-text-primary); }

.mobile-nav-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 900px) {
  :root { --section-gap: 4rem; }

  .nav-links { display: none; }
  .nav-toggle { display: flex; }

  .story-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .story-image img { height: 300px; }

  .comparison-portraits {
    grid-template-columns: 1fr 40px 1fr;
  }
  .comparison-portrait-card img { height: 360px; }

  .comparison-row {
    grid-template-columns: 1fr 40px 1fr;
  }
  .comparison-cell { padding: 1.5rem 1rem; }

  .category-label-center { font-size: 0.55rem; }

  .profiles-grid {
    grid-template-columns: 1fr;
    gap: 2px;
  }
  .profile-card { min-height: 500px; }
  .profile-card-content { min-height: 500px; }

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

  .footer-inner { grid-template-columns: 1fr; }
  .footer-nav { text-align: left; }
}

@media (max-width: 600px) {
  .hero-title { font-size: 2.4rem; }

  .comparison-portraits {
    grid-template-columns: 1fr 30px 1fr;
  }
  .comparison-portrait-card img { height: 260px; }
  .portrait-name { font-size: 1.2rem; }
  .portrait-sub { display: none; }

  .comparison-row {
    grid-template-columns: 1fr 30px 1fr;
  }
  .comparison-cell { padding: 1.25rem 0.75rem; }
  .cell-value { font-size: 0.9rem; }
  .cell-desc { font-size: 0.78rem; }
  .cell-tag { font-size: 0.55rem; }

  .comparison-cell-divider { display: none; }
  .comparison-cell.naruto-cell { border-right: 1px solid var(--color-border); }

  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .footer-disclaimer { text-align: left; }
}