/* ============================================================
   IPPUN PROJECT — Components
   css/components.css
   ============================================================ */

/* -- NAVIGATION ----------------------------------------------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height-desktop);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 64px;
  background: rgba(245, 245, 240, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-medium), box-shadow var(--transition-medium);
}

.nav.scrolled {
  border-color: var(--color-stone);
  box-shadow: var(--shadow-nav);
}

.nav-logo {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-decoration: none;
  line-height: 1;
  gap: 2px;
}

/* -- SHARED LOGO TEXT (nav + footer) ------------------------------ */
.logo-wordmark {
  font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.18em;
  color: var(--color-slate);
}

.logo-jp {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 700;
  font-size: 9px;
  color: var(--color-slate);
  align-self: flex-end;
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}

.nav-links a {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--color-slate);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.nav-links a:hover {
  color: var(--color-charcoal);
}

.nav-links a.premium {
  color: var(--color-crimson);
  font-weight: 700;
}

.nav-flag {
  font-size: 16px;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 12px;
  min-height: 44px;
  min-width: 44px;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--color-charcoal);
  transition: all var(--transition-medium);
}

.hamburger.open span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

.hamburger.open span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobile Menu Overlay */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: var(--color-warm-white);
  z-index: 99;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-medium);
}

.mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}

.mobile-menu a {
  font-family: var(--font-serif);
  font-size: 36px;
  color: var(--color-charcoal);
  text-decoration: none;
  padding: 12px 0;
  transition: color var(--transition-fast);
}

.mobile-menu a:hover {
  color: var(--color-crimson);
}

.mobile-menu a.premium {
  color: var(--color-crimson);
}

.mobile-menu-flag {
  margin-top: 24px;
  font-size: 28px;
}

.mobile-menu-sub {
  font-family: var(--font-jp);
  font-size: 13px;
  color: var(--color-mid-gray);
  letter-spacing: 0.1em;
  margin-top: 8px;
}

@media (max-width: 768px) {
  .nav {
    height: var(--nav-height-mobile);
    padding: 0 var(--grid-margin);
  }

  .nav-logo .logo-wordmark {
    font-size: 14px;
  }

  .nav-logo .logo-jp {
    font-size: 7.5px;
  }

  .nav-links {
    display: none;
  }

  .hamburger {
    display: flex;
  }
}

/* -- BUTTONS -------------------------------------------------- */

/* Primary Button (dark fill) */
.btn-primary {
  display: inline-block;
  height: var(--btn-height);
  padding: 0 var(--btn-padding-h);
  background: var(--color-charcoal);
  color: var(--color-warm-white);
  font-family: var(--font-sans);
  font-size: var(--text-label);
  font-weight: 700;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  text-decoration: none;
  text-align: center;
  line-height: var(--btn-height);
  border: none;
  border-radius: var(--radius-none);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.btn-primary:hover {
  background: #2A2A2A;
}

/* Secondary Button (outline) */
.btn-secondary {
  display: inline-block;
  height: var(--btn-height);
  padding: 0 var(--btn-padding-h);
  background: transparent;
  color: var(--color-charcoal);
  font-family: var(--font-sans);
  font-size: var(--text-label);
  font-weight: 700;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  text-decoration: none;
  text-align: center;
  line-height: calc(var(--btn-height) - 3px);
  border: var(--border-default-w) solid var(--color-charcoal);
  border-radius: var(--radius-none);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.btn-secondary:hover {
  background: var(--color-charcoal);
  color: var(--color-warm-white);
}

/* Crimson Button (newsletter CTA) */
.btn-crimson {
  display: inline-block;
  height: var(--input-height);
  padding: 0 var(--btn-padding-h);
  background: var(--color-crimson);
  color: var(--color-pure-white);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  text-decoration: none;
  text-align: center;
  line-height: var(--input-height);
  border: none;
  border-radius: var(--radius-none);
  cursor: pointer;
  transition: background var(--transition-fast);
  width: 100%;
}

.btn-crimson:hover {
  background: var(--color-crimson-hover);
}

/* Gold Button (Ippun+ only) */
.btn-gold {
  display: inline-block;
  height: var(--btn-height);
  padding: 0 var(--btn-padding-h);
  background: var(--color-gold);
  color: var(--color-charcoal);
  font-family: var(--font-sans);
  font-size: var(--text-label);
  font-weight: 700;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  text-decoration: none;
  text-align: center;
  line-height: var(--btn-height);
  border: none;
  border-radius: var(--radius-none);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.btn-gold:hover {
  background: var(--color-gold-dark);
}

/* -- CARDS ---------------------------------------------------- */

/* Video Card (archive grid) */
.video-card {
  cursor: pointer;
  position: relative;
  top: 0;
  transition: top var(--transition-default);
}

.video-card:hover {
  top: -2px;
}

.card-thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--color-stone);
  margin-bottom: 12px;
  position: relative;
  overflow: hidden;
}

.card-thumb::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-crimson);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-default);
}

.video-card:hover .card-thumb::after {
  transform: scaleX(1);
}

.thumb-inner {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.thumb-label {
  font-family: var(--font-jp);
  font-size: 28px;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 0.1em;
}

.card-day {
  font-size: var(--text-eyebrow);
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-crimson);
  margin-bottom: 5px;
}

.card-title {
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.3;
  color: var(--color-charcoal);
  margin-bottom: 5px;
}

.card-duration {
  font-size: var(--text-label);
  color: var(--color-slate);
}

/* Pillar Card */
.pillar-card {
  background: var(--color-stone);
  padding: 36px var(--card-padding);
  border: 1px solid var(--color-mid-gray);
  border-top: var(--border-accent-w) solid var(--color-crimson);
  border-radius: var(--radius-none);
  transition: transform var(--transition-default), box-shadow var(--transition-default);
}

.pillar-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.pillar-card .pillar-category {
  font-size: var(--text-eyebrow);
  font-weight: 700;
  letter-spacing: var(--ls-wordmark);
  text-transform: uppercase;
  color: var(--color-crimson);
  margin-bottom: 14px;
}

.pillar-card h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  margin-bottom: 12px;
  line-height: var(--lh-h3);
}

.pillar-card p {
  font-size: 14px;
  font-weight: 300;
  color: var(--color-slate);
  line-height: var(--lh-body);
  margin-bottom: var(--space-6);
}

/* -- FORMS / NEWSLETTER --------------------------------------- */

/* Email input on dark background */
.nl-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.nl-form input {
  width: 100%;
  height: var(--input-height);
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-none);
  color: var(--color-warm-white);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 400;
  padding: 0 20px;
  outline: none;
  transition: border-color var(--transition-default);
}

.nl-form input::placeholder {
  color: rgba(255, 255, 255, 0.3);
}

.nl-form input:focus {
  border-color: rgba(255, 255, 255, 0.5);
}

.nl-form .nl-note {
  font-size: var(--text-label);
  color: rgba(255, 255, 255, 0.25);
  font-weight: 300;
  margin-top: var(--space-3);
}

/* -- VIDEO PLAYER --------------------------------------------- */
.video-player {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--color-charcoal);
  position: relative;
  cursor: pointer;
  overflow: hidden;
  box-shadow: var(--shadow-video);
}

.video-bg {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #1a1a1a 0%, #2d2410 50%, #1a1a1a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.video-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(255, 255, 255, 0.01) 2px,
    rgba(255, 255, 255, 0.01) 4px
  );
}

.video-overlay-text {
  position: absolute;
  bottom: 32px;
  left: 32px;
  right: 32px;
}

.video-topic-label {
  font-size: var(--text-eyebrow);
  font-weight: 700;
  letter-spacing: var(--ls-wordmark);
  text-transform: uppercase;
  color: var(--color-crimson);
  margin-bottom: 8px;
}

.video-topic-title {
  font-family: var(--font-serif);
  font-size: 28px;
  color: var(--color-warm-white);
  line-height: 1.2;
}

.play-btn {
  width: 72px;
  height: 72px;
  border: 1.5px solid rgba(255, 255, 255, 0.4);
  border-radius: var(--radius-none);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--transition-default), transform var(--transition-default);
  position: relative;
  z-index: 2;
}

.play-btn svg {
  margin-left: 4px;
}

.video-player:hover .play-btn {
  border-color: rgba(255, 255, 255, 0.8);
  transform: scale(1.05);
}

/* -- FOOTER --------------------------------------------------- */
.footer {
  background: var(--color-charcoal);
  border-top: var(--border-footer) solid var(--color-crimson);
  padding: 64px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--space-8);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: var(--space-7);
}

.footer-logo {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1;
  gap: 2px;
}

.footer-logo .logo-wordmark {
  font-size: 17px;
  color: var(--color-warm-white);
}

.footer-logo .logo-jp {
  font-size: 9px;
  color: rgba(245, 245, 240, 0.6);
}

.footer-nav {
  display: flex;
  gap: 28px;
  list-style: none;
}

.footer-nav a {
  font-size: 13px;
  color: var(--color-slate);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.footer-nav a.premium {
  color: var(--color-crimson);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-copy {
  font-size: var(--text-label);
  color: rgba(255, 255, 255, 0.25);
  font-weight: 300;
}

.footer-jp {
  font-family: var(--font-jp);
  font-size: 13px;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.2);
  letter-spacing: 0.08em;
}

@media (max-width: 768px) {
  .footer {
    padding: 40px var(--grid-margin);
  }

  .footer-top {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-6);
  }

  .footer-nav {
    flex-wrap: wrap;
    gap: var(--space-5);
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
  }
}

/* -- SECTION EYEBROW ------------------------------------------ */
.section-eyebrow {
  font-size: var(--text-eyebrow);
  font-weight: 700;
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: var(--color-crimson);
  margin-bottom: var(--space-5);
}

/* -- SECTION HEADER ------------------------------------------- */
.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: var(--space-7);
}

.section-header h3 {
  font-family: var(--font-serif);
  font-size: 22px;
}

/* -- PLATFORM LINKS ------------------------------------------- */
.platform-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-end;
  flex-shrink: 0;
}

.platform-links a {
  font-size: var(--text-label);
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--color-slate);
  text-decoration: none;
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.platform-links a:hover {
  color: var(--color-charcoal);
}

@media (max-width: 768px) {
  .platform-links {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-stone);
  }

  .platform-link-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .platform-links a {
    font-size: var(--text-label);
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--color-charcoal);
  }

  .platform-arrow {
    font-size: var(--text-label);
    color: var(--color-mid-gray);
  }
}

/* -- ANIMATIONS ----------------------------------------------- */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes pulse {
  0%, 100% { opacity: 0.3; }
  50%      { opacity: 0.8; }
}