/* ============================================================
   TTCalc home v5 — editorial paper surface + tool preview
   Scoped to body.home-v5 so other pages remain untouched.
   ============================================================ */

body.home-v5 {
  --paper: #FAF9F6;
  --paper-deep: #F3F1EC;
  --card: #fff;
  --ink: #181818;
  --muted: #65625B;
  --line: #E4E1DA;
  --line-soft: #EFEEE8;
  --accent: #F97316;
  --accent-text: #C2410C;
  --radius: 18px;
  --shadow: 0 32px 80px -52px rgba(24, 24, 24, .45);
  --bg: var(--paper);
  --surface: var(--card);
  --surface-soft: var(--paper-deep);
  --brand-1: var(--accent);
  background: var(--paper);
  color: var(--ink);
}

body.home-v5 .site-header {
  background: rgba(250, 249, 246, .88);
  border-bottom-color: var(--line);
}

body.home-v5 .logo,
body.home-v5 .main-nav a,
body.home-v5 .lang-toggle {
  color: var(--ink);
}

body.home-v5 .main-nav a:hover,
body.home-v5 .main-nav a.active {
  color: var(--ink);
  background: rgba(24, 24, 24, .06);
}

body.home-v5 .lang-toggle {
  background: transparent;
  border-color: var(--line);
}

body.home-v5 .lang-toggle:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

body.home-v5 ::selection {
  background: var(--ink);
  color: var(--paper);
}

body.home-v5 :focus-visible {
  outline-color: var(--ink);
}

body.home-v5 .v5-cta :focus-visible {
  outline-color: var(--paper);
}

body.home-v5 [data-reveal] {
  opacity: 1;
  transform: none;
}

/* Hero */
@keyframes v5-grid-drift {
  from { background-position: 0 0; }
  to { background-position: 48px 48px; }
}

@keyframes v5-hero-flow {
  from { background-position: 0% 0%; }
  to { background-position: 100% 100%; }
}

@keyframes v5-aurora-drift {
  from {
    transform: translate3d(-8%, -5%, 0) scale(.9) rotate(-5deg);
    opacity: .38;
  }
  to {
    transform: translate3d(18%, 15%, 0) scale(1.35) rotate(7deg);
    opacity: .9;
  }
}

.v5-hero {
  position: relative;
  padding: 96px 0 78px;
  overflow: hidden;
  isolation: isolate;
  background: linear-gradient(125deg, #FAF9F6 0%, #FFF2E0 28%, #F6F0E8 55%, #F2E8DC 78%, #FAF9F6 100%);
  background-size: 240% 240%;
  animation: v5-hero-flow 20s ease-in-out infinite alternate;
}

.v5-hero::before {
  content: "";
  animation: v5-grid-drift 18s linear infinite;
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, rgba(24,24,24,.08) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(24,24,24,.08) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at 28% 18%, #000 0%, transparent 72%);
  -webkit-mask-image: radial-gradient(circle at 28% 18%, #000 0%, transparent 72%);
}

.v5-hero::after {
  content: "";
  animation: v5-aurora-drift 17s ease-in-out infinite alternate;
  will-change: transform, opacity;
  position: absolute;
  top: -320px;
  right: -280px;
  z-index: -1;
  width: 1050px;
  height: 1050px;
  background:
    radial-gradient(circle at 35% 35%, rgba(249,115,22,.26), transparent 56%),
    radial-gradient(circle at 68% 68%, rgba(255,170,110,.24), transparent 58%);
  filter: blur(30px);
}

.v5-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 470px);
  gap: 64px;
  align-items: center;
}

.v5-kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 12px;
  border: 1px solid rgba(24,24,24,.12);
  border-radius: 999px;
  background: rgba(255,255,255,.62);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.v5-kicker::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  content: "";
}

.v5-hero-title {
  max-width: 16ch;
  margin: 24px 0 22px;
  font-family: var(--font-display);
  font-size: clamp(3rem, 6.4vw, 4.9rem);
  font-weight: 500;
  line-height: .98;
  letter-spacing: -.035em;
}

.v5-hero-title em {
  color: var(--accent-text);
  font-style: italic;
}

.v5-hero-copy {
  max-width: 58ch;
  margin: 0 0 34px;
  color: var(--muted);
  font-size: clamp(1rem, 1.4vw, 1.17rem);
  line-height: 1.68;
}

.v5-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.v5-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 47px;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: transform .18s var(--ease), background-color .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease), box-shadow .18s var(--ease);
}

.v5-btn-primary {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
  box-shadow: 0 18px 38px -26px rgba(24,24,24,.7);
}

.v5-btn-primary:hover {
  transform: translateY(-2px);
  text-decoration: none;
  box-shadow: 0 22px 45px -28px rgba(24,24,24,.75);
}

.v5-btn-ghost {
  border-color: rgba(24,24,24,.2);
  background: rgba(255,255,255,.55);
  color: var(--ink);
}

.v5-btn-ghost:hover {
  transform: translateY(-2px);
  border-color: var(--ink);
  background: var(--card);
  text-decoration: none;
}

.v5-hero-note {
  margin: 24px 0 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
}

/* Hero preview */
.v5-preview {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(24,24,24,.1);
  border-radius: 24px;
  background: var(--card);
  box-shadow: var(--shadow);
}

.v5-preview-media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.v5-preview-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.v5-preview-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 34%, rgba(24,24,24,.68));
}

.v5-preview-tag {
  position: absolute;
  left: 20px;
  bottom: 18px;
  z-index: 1;
  max-width: calc(100% - 40px);
}

.v5-preview-tag strong,
.v5-preview-tag span {
  display: block;
}

.v5-preview-tag strong {
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -.02em;
}

.v5-preview-tag span {
  margin-top: 3px;
  color: rgba(255,255,255,.76);
  font-size: 13px;
}

.v5-preview-body {
  padding: 18px 24px 22px;
}

.v5-preview-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 9px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.v5-preview-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14px;
}

.v5-preview-row span:first-child {
  color: var(--muted);
}

.v5-preview-row span:last-child {
  color: var(--ink);
  font-family: var(--font-mono);
  font-weight: 500;
}

.v5-preview-result {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 18px;
  padding: 16px 18px;
  border-radius: 14px;
  background: var(--paper-deep);
}

.v5-preview-result span:first-child {
  color: var(--muted);
  font-size: 13px;
}

.v5-preview-result span:last-child {
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 500;
  letter-spacing: -.03em;
  white-space: nowrap;
}

/* Quick-use strip */
.v5-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--card);
}

.v5-strip-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.v5-strip-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 88px;
  padding: 22px;
  border-right: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -.01em;
  text-decoration: none;
  transition: background-color .18s var(--ease), color .18s var(--ease);
}

.v5-strip-card:last-child {
  border-right: 0;
}

.v5-strip-card:hover {
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
}

/* Sections */
.v5-section {
  padding: 96px 0;
}

.v5-section-alt {
  background: var(--paper-deep);
}

.v5-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.v5-eyebrow::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  content: "";
}

.v5-section-title {
  max-width: 24ch;
  margin: 16px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.8vw, 3.1rem);
  font-weight: 500;
  line-height: 1.06;
  letter-spacing: -.03em;
}

.v5-section-copy {
  max-width: 62ch;
  margin: 0;
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.65;
}

.v5-section-head {
  margin-bottom: 42px;
}

/* Tool cards */
.v5-tools-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 18px;
}

.v5-tool {
  position: relative;
  display: flex;
  flex-direction: column;
  grid-column: span 2;
  min-height: 285px;
  padding: 28px;
  border: 1px solid rgba(24,24,24,.1);
  border-radius: var(--radius);
  background: var(--card);
  color: var(--ink);
  text-decoration: none;
  transition: transform .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease), background-color .2s var(--ease), color .2s var(--ease);
}

.v5-tool:hover {
  transform: translateY(-4px);
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
  box-shadow: 0 30px 70px -48px rgba(24,24,24,.85);
  text-decoration: none;
}

.v5-tool--wide {
  grid-column: span 3;
}

.v5-tool-icon {
  display: grid;
  place-items: center;
  width: 43px;
  height: 43px;
  margin-bottom: 22px;
  border: 1px solid rgba(24,24,24,.12);
  border-radius: 13px;
  background: var(--paper-deep);
  color: var(--ink);
  transition: inherit;
}

.v5-tool:hover .v5-tool-icon {
  border-color: rgba(250,249,246,.2);
  background: rgba(250,249,246,.1);
  color: var(--paper);
}

.v5-tool-icon svg {
  width: 20px;
  height: 20px;
}

.v5-tool h3 {
  margin: 0 0 9px;
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 500;
  line-height: 1.18;
  letter-spacing: -.02em;
}

.v5-tool p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
  transition: color .2s var(--ease);
}

.v5-tool:hover p {
  color: rgba(250,249,246,.72);
}

.v5-tool-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding-top: 26px;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  transition: color .2s var(--ease), gap .2s var(--ease);
}

.v5-tool:hover .v5-tool-link {
  gap: 13px;
  color: var(--accent-text);
}

/* Fee facts */
.v5-facts {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 18px;
  align-items: stretch;
}

.v5-fact-main,
.v5-fact {
  border: 1px solid rgba(24,24,24,.1);
  border-radius: var(--radius);
  background: var(--card);
}

.v5-fact-main {
  padding: 34px;
}

.v5-fact-big {
  margin: 14px 0 10px;
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 5.2rem);
  font-weight: 500;
  line-height: .95;
  letter-spacing: -.04em;
}

.v5-fact-list {
  display: grid;
  grid-template-rows: repeat(3, 1fr);
  gap: 18px;
}

.v5-fact {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 24px 28px;
}

.v5-fact-number {
  display: block;
  margin-bottom: 8px;
  color: var(--accent-text);
  font-family: var(--font-mono);
  font-size: .82rem;
  font-weight: 500;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.v5-fact h3,
.v5-fact-main h3 {
  margin: 12px 0 9px;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -.02em;
}

.v5-fact p,
.v5-fact-main p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.62;
}

/* FAQ */
.v5-faq {
  max-width: 780px;
}

.v5-faq details {
  border-bottom: 1px solid var(--line);
}

.v5-faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 0;
  cursor: pointer;
  list-style: none;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.22rem;
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -.015em;
}

.v5-faq summary::-webkit-details-marker {
  display: none;
}

.v5-faq summary:hover {
  color: var(--accent-text);
}

.v5-faq .sign {
  position: relative;
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  border: 1px solid rgba(24,24,24,.16);
  border-radius: 50%;
  transition: all .2s var(--ease);
}

.v5-faq .sign::before,
.v5-faq .sign::after {
  content: "";
  position: absolute;
  background: var(--ink);
  transition: transform .24s var(--ease), background-color .2s var(--ease);
}

.v5-faq .sign::before {
  top: 50%;
  left: 7px;
  right: 7px;
  height: 1.5px;
  transform: translateY(-50%);
}

.v5-faq .sign::after {
  top: 7px;
  bottom: 7px;
  left: 50%;
  width: 1.5px;
  transform: translateX(-50%);
}

.v5-faq details[open] .sign {
  border-color: var(--ink);
  background: var(--ink);
}

.v5-faq details[open] .sign::before,
.v5-faq details[open] .sign::after {
  background: var(--paper);
}

.v5-faq details[open] .sign::after {
  transform: translateX(-50%) scaleY(0);
}

.v5-faq .answer {
  padding: 0 42px 24px 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.68;
}

/* Rate CTA */
.v5-cta {
  position: relative;
  overflow: hidden;
  padding: 68px;
  border-radius: 26px;
  background: var(--ink);
  color: var(--paper);
}

.v5-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(250,249,246,.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(250,249,246,.05) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(circle at 85% 12%, #000, transparent 68%);
  -webkit-mask-image: radial-gradient(circle at 85% 12%, #000, transparent 68%);
}

.v5-cta-content {
  position: relative;
  max-width: 760px;
}

.v5-cta .v5-eyebrow {
  color: rgba(250,249,246,.62);
}

.v5-cta h2 {
  margin: 16px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.3rem);
  font-weight: 500;
  line-height: 1.04;
  letter-spacing: -.03em;
}

.v5-cta p {
  margin: 0 0 32px;
  color: rgba(250,249,246,.68);
  font-size: 1.05rem;
  line-height: 1.65;
}

.v5-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.v5-btn-light {
  border-color: var(--paper);
  background: var(--paper);
  color: var(--ink);
}

.v5-btn-outline-light {
  border-color: rgba(250,249,246,.24);
  color: var(--paper);
}

.v5-btn-outline-light:hover {
  transform: translateY(-2px);
  border-color: var(--paper);
  background: rgba(250,249,246,.1);
}

/* Footer override */
body.home-v5 .site-footer {
  border-top-color: var(--line);
  background: var(--paper);
  color: var(--muted);
}

body.home-v5 .footer-brand .logo {
  color: var(--ink);
}

body.home-v5 .footer-col h4,
body.home-v5 .copyright {
  color: var(--muted);
}

body.home-v5 .footer-col a,
body.home-v5 .copyright .links a {
  color: var(--ink);
}

body.home-v5 .copyright {
  border-top-color: var(--line);
}

/* Responsive */
@media (max-width: 1024px) {
  .v5-hero {
    padding: 74px 0 58px;
  }

  .v5-hero-grid {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .v5-hero-title {
    max-width: 20ch;
  }

  .v5-preview {
    max-width: 610px;
  }

  .v5-strip-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .v5-strip-card:nth-child(2n) {
    border-right: 0;
  }

  .v5-strip-card:nth-child(-n+2) {
    border-bottom: 1px solid var(--line);
  }

  .v5-tools-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .v5-tool,
  .v5-tool--wide {
    grid-column: span 1;
  }

  .v5-facts {
    grid-template-columns: 1fr;
  }

  .v5-cta {
    padding: 46px;
  }
}

@media (max-width: 720px) {
  .v5-hero {
    padding: 58px 0 48px;
  }

  .v5-hero-title {
    margin-top: 20px;
    font-size: clamp(2.55rem, 10.8vw, 3.35rem);
  }

  .v5-hero-copy {
    margin-bottom: 30px;
  }

  .v5-actions .v5-btn,
  .v5-cta-actions .v5-btn {
    width: 100%;
  }

  .v5-strip-grid {
    grid-template-columns: 1fr;
  }

  .v5-strip-card {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .v5-strip-card:last-child {
    border-bottom: 0;
  }

  .v5-section {
    padding: 68px 0;
  }

  .v5-section-head {
    margin-bottom: 32px;
  }

  .v5-tools-grid {
    grid-template-columns: 1fr;
  }

  .v5-tool {
    min-height: 0;
  }

  .v5-fact-main,
  .v5-fact,
  .v5-cta {
    padding: 30px 24px;
  }

  .v5-fact-list {
    grid-template-rows: 1fr;
  }

  .v5-faq summary {
    gap: 14px;
    padding: 20px 0;
    font-size: 1.1rem;
  }

  .v5-faq .answer {
    padding-right: 0;
    padding-bottom: 20px;
  }

  .v5-cta h2 {
    font-size: clamp(1.85rem, 7.4vw, 2.5rem);
  }
}

@media (max-width: 480px) {
  .v5-preview-body {
    padding: 16px 18px 20px;
  }

  .v5-preview-tag {
    left: 14px;
    bottom: 12px;
    max-width: calc(100% - 28px);
  }

  .v5-preview-tag strong {
    font-size: 1.1rem;
  }

  .v5-preview-result {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .v5-hero,
  .v5-hero::before,
  .v5-hero::after,
  .v5-cta::before {
    animation: none !important;
  }

  .v5-hero {
    background-position: 50% 50%;
    background-size: 100% 100%;
  }

  body.home-v5 [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }

  .v5-btn,
  .v5-strip-card,
  .v5-tool {
    transition: none !important;
  }
}