/* ── Type helpers ── */
.label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 14px;
}
.label::before {
  content: "";
  width: 20px;
  height: 2px;
  background: var(--red);
  border-radius: 1px;
}
.sec-title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3vw, 2.75rem);
  font-weight: 700;
  color: var(--black);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.sec-title span {
  color: var(--red);
}
.sec-sub {
  font-size: 0.975rem;
  color: var(--gray-500);
  line-height: 1.85;
  max-width: 540px;
}
.sec-hdr {
  margin-bottom: 48px;
}
.sec-hdr.center {
  text-align: center;
}
.sec-hdr.center .label {
  justify-content: center;
}
.sec-hdr.center .sec-sub {
  margin: 0 auto;
}

/* ═══════════════════════════════════════════════════
   HERO
═══════════════════════════════════════════════════ */
.ic-hero {
  position: relative;
  background: var(--black);
  overflow: hidden;
  padding: 96px 0 80px;
}
.h-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      ellipse 56% 85% at 66% 48%,
      rgba(200, 16, 46, 0.16) 0%,
      transparent 65%
    ),
    radial-gradient(
      ellipse 25% 36% at 3% 86%,
      rgba(200, 16, 46, 0.06) 0%,
      transparent 50%
    );
}
.h-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.022) 1px, transparent 1px);
  background-size: 52px 52px;
}
.h-vline {
  position: absolute;
  top: 0;
  width: 1px;
  height: 100%;
}
.h-vline.l1 {
  right: 26%;
  background: linear-gradient(
    to bottom,
    transparent,
    rgba(200, 16, 46, 0.22),
    transparent
  );
}
.h-vline.l2 {
  right: 44%;
  background: linear-gradient(
    to bottom,
    transparent,
    rgba(255, 255, 255, 0.04),
    transparent
  );
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.h-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(200, 16, 46, 0.14);
  border: 1px solid rgba(200, 16, 46, 0.28);
  color: #ff8090;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 22px;
}
.h-pill::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--red);
  border-radius: 50%;
  animation: dotPulse 2s infinite;
}
@keyframes dotPulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.6);
    opacity: 0.5;
  }
}
.h-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4.2vw, 3.7rem);
  font-weight: 900;
  color: #fff;
  line-height: 1.04;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}
.h-title em {
  color: var(--red);
  font-style: italic;
  display: block;
}
.h-sub {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.55);
  max-width: 480px;
  line-height: 1.86;
  margin-bottom: 36px;
}
.h-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.h-stats {
  display: flex;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 9px;
  overflow: hidden;
}
.h-stat {
  flex: 1;
  padding: 14px 18px;
  text-align: center;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}
.h-stat:last-child {
  border-right: none;
}
.hs-n {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 700;
  color: #fff;
  line-height: 1;
}
.hs-l {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.4);
  margin-top: 4px;
}

/* hero right — live mini SIP preview */
.hero-visual {
  position: relative;
}
.hv-card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  padding: 28px;
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.45);
  position: relative;
  z-index: 2;
}
.hv-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}
.hv-eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
}
.hv-badge {
  display: flex;
  align-items: center;
  gap: 5px;
  background: rgba(74, 222, 128, 0.12);
  color: #4ade80;
  font-size: 11.5px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 5px;
}
.hv-bdot {
  width: 6px;
  height: 6px;
  background: #4ade80;
  border-radius: 50%;
  animation: dotPulse 1.8s infinite;
}

/* mini calculator inside hero */
.mini-calc-row {
  margin-bottom: 14px;
}
.mini-calc-label {
  font-size: 11.5px;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 6px;
  display: flex;
  justify-content: space-between;
}
.mini-calc-label span {
  color: #fff;
  font-weight: 700;
  font-family: var(--font-mono);
}
.mini-range {
  -webkit-appearance: none;
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 2px;
  outline: none;
}
.mini-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--red);
  cursor: pointer;
  border: 2px solid rgba(255, 255, 255, 0.3);
}
.mini-range::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--red);
  cursor: pointer;
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.hv-result-box {
  background: rgba(200, 16, 46, 0.1);
  border: 1px solid rgba(200, 16, 46, 0.2);
  border-radius: var(--r-md);
  padding: 16px 18px;
  margin-top: 18px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
  text-align: center;
}
.hrb-val {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  line-height: 1;
}
.hrb-lbl {
  font-size: 10px;
  color: rgba(255, 255, 255, 0.38);
  margin-top: 3px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* floats */
.h-float {
  position: absolute;
  background: #fff;
  border-radius: 10px;
  padding: 13px 17px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
  z-index: 3;
  animation: floatY 4s ease-in-out infinite;
}
.h-float.f1 {
  top: -20px;
  right: -20px;
}
.h-float.f2 {
  bottom: -75px;
  left: -35px;
  animation-delay: 1.8s;
}
@keyframes floatY {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}
.hfl {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1.3px;
  color: var(--gray-500);
  margin-bottom: 4px;
}
.hfv {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--black);
  line-height: 1;
}
.hfv span {
  color: var(--red);
  font-size: 12px;
}
.hfs {
  font-size: 11px;
  color: var(--gray-500);
  margin-top: 3px;
}

/* ═══════════════════════════════════════════════════
   CALCULATOR TABS NAV — sticky
═══════════════════════════════════════════════════ */
.calc-nav {
  background: var(--white);
  border-bottom: 2px solid var(--gray-100);
  position: sticky;
  top: 65px;
  z-index: 50;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}
.calc-nav-inner {
  display: flex;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.calc-nav-inner::-webkit-scrollbar {
  display: none;
}
.cnav-tab {
  padding: 18px 24px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--gray-500);
  cursor: pointer;
  transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.cnav-tab:hover {
  color: var(--red);
}
.cnav-tab.active {
  color: var(--red);
  border-bottom-color: var(--red);
}
.cnav-tab i {
  font-size: 14px;
}

/* ═══════════════════════════════════════════════════
   CALCULATOR PANELS
═══════════════════════════════════════════════════ */
.calc-section {
  background: var(--gray-50);
  padding: 64px 0;
}
.calc-panel {
  display: none;
}
.calc-panel.active {
  display: block;
}

.calc-layout {
  display: grid;
  grid-template-columns: 440px 1fr;
  gap: 40px;
  align-items: start;
}

/* Input panel */
.calc-inputs {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: 20px;
  padding: 36px;
  box-shadow: var(--sh-sm);
}
.ci-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 6px;
}
.ci-desc {
  font-size: 13.5px;
  color: var(--gray-500);
  line-height: 1.65;
  margin-bottom: 28px;
}

/* field groups */
.field-group {
  margin-bottom: 22px;
}
.field-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--black);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.field-val {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--white);
  background: var(--red-light);
  padding: 3px 9px;
  border-radius: 5px;
}

/* range slider */
.range-wrap {
  position: relative;
}
.range-input {
  -webkit-appearance: none;
  width: 100%;
  height: 5px;
  border-radius: 3px;
  outline: none;
  cursor: pointer;
  background: linear-gradient(
    to right,
    var(--red) var(--fill, 0%),
    var(--gray-200) var(--fill, 0%)
  );
}
.range-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--red);
  cursor: pointer;
  border: 3px solid #fff;
  box-shadow: 0 2px 8px rgba(200, 16, 46, 0.35);
  transition: transform 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}
.range-input::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}
.range-input::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--red);
  cursor: pointer;
  border: 3px solid #fff;
  box-shadow: 0 2px 8px rgba(200, 16, 46, 0.35);
}
.range-ticks {
  display: flex;
  justify-content: space-between;
  margin-top: 5px;
}
.range-tick {
  font-size: 10.5px;
  color: var(--gray-400);
  font-family: var(--font-mono);
}

/* text/number input */
.num-input {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--r-md);
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--gray-700);
  outline: none;
  transition: border-color 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}
.num-input:focus {
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(200, 16, 46, 0.1);
}

/* toggle buttons */
.toggle-group {
  display: flex;
  gap: 0;
  background: var(--gray-50);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--r-md);
  overflow: hidden;
}
.toggle-btn {
  flex: 1;
  padding: 10px 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-500);
  cursor: pointer;
  transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  text-align: center;
}
.toggle-btn.active {
  background: var(--red);
  color: #fff;
}
.toggle-btn:hover:not(.active) {
  background: var(--red-light);
  color: var(--red);
}

/* Results panel */
.calc-results {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: 20px;
  padding: 36px;
  box-shadow: var(--sh-sm);
  position: sticky;
  top: 80px;
}

.result-hero {
  text-align: center;
  padding: 28px 24px;
  background: linear-gradient(135deg, var(--black), #1e1e1e);
  border-radius: 14px;
  margin-bottom: 28px;
  position: relative;
  overflow: hidden;
}
.result-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 70% 70% at 50% 60%,
    rgba(200, 16, 46, 0.2),
    transparent 70%
  );
}
.rh-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.38);
  margin-bottom: 8px;
  position: relative;
  z-index: 1;
}
.rh-value {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: #fff;
  line-height: 1;
  position: relative;
  z-index: 1;
  transition: all 0.3s ease;
}
.rh-sub {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
  margin-top: 6px;
  position: relative;
  z-index: 1;
}

.result-breakdown {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 14px;
  margin-bottom: 24px;
}
.rb-box {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 10px;
  padding: 16px;
  text-align: center;
  transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}
.rb-box:hover {
  border-color: var(--red);
  /* background: var(--red-light); */
}
.rb-val {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--red);
  line-height: 1;
}
.rb-lbl {
  font-size: 11px;
  color: var(--gray-500);
  margin-top: 4px;
}

/* donut chart */
.result-donut {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 20px;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 10px;
  margin-bottom: 20px;
}
.btn:hover {
  color: var(--white);
}
.btn-white:hover {
  background: var(--white);
  color: var(--red);
  border-color: var(--white);
}
.donut-svg-wrap {
  flex-shrink: 0;
  position: relative;
  width: 90px;
  height: 90px;
}
.donut-svg {
  transform: rotate(-90deg);
}
.btn-calc {
  border: 1px solid var(--red);
  background: var(--red);
  color: var(--white);
}
.donut-bg {
  fill: none;
  stroke: var(--gray-200);
  stroke-width: 10;
}
.donut-invested {
  fill: none;
  stroke: rgba(200, 16, 46, 0.3);
  stroke-width: 10;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.6s ease;
}
.donut-returns {
  fill: none;
  stroke: var(--red);
  stroke-width: 10;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.6s ease;
}
.donut-center-text {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.dct-pct {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--red);
  line-height: 1;
}
.dct-lbl {
  font-size: 9px;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 2px;
}
.donut-legend {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.dl-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--gray-600);
}
.dl-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.dl-val {
  font-weight: 700;
  color: var(--black);
  font-family: var(--font-mono);
  margin-left: auto;
  font-size: 12.5px;
}

/* year-by-year table */
.yoy-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
  margin-top: 4px;
}
.yoy-table th {
  padding: 8px 10px;
  background: var(--gray-50);
  border-bottom: 2px solid var(--gray-200);
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--gray-500);
}
.yoy-table td {
  padding: 9px 10px;
  border-bottom: 1px solid var(--gray-100);
  color: var(--gray-700);
  font-family: var(--font-mono);
}
.yoy-table tr:last-child td {
  border-bottom: none;
  font-weight: 700;
  color: var(--black);
}
.yoy-table td:first-child {
  font-family: var(--font-body);
  font-weight: 600;
}
.yoy-table .red-val {
  color: var(--red);
  font-weight: 700;
}
.yoy-toggle-btn {
  font-size: 12.5px;
  color: var(--red);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  margin-top: 12px;
  transition: gap 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  background: none;
  border: none;
}
.yoy-toggle-btn:hover {
  gap: 8px;
}

/* result action strip */
.result-actions {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

/* advisor nudge */
.advisor-nudge {
  background: linear-gradient(
    135deg,
    rgba(200, 16, 46, 0.06),
    rgba(200, 16, 46, 0.02)
  );
  border: 1px solid rgba(200, 16, 46, 0.15);
  border-radius: var(--r-md);
  padding: 16px 18px;
  margin-top: 16px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.an-icon {
  width: 40px;
  height: 40px;
  background: var(--red-light);
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 16px;
  flex-shrink: 0;
}
.an-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 2px;
}
.an-desc {
  font-size: 12px;
  color: var(--gray-500);
}
.an-link {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--red);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}
.an-link:hover {
  gap: 7px;
  color: var(--red);
}

/* ═══════════════════════════════════════════════════
   HOW TO USE — DARK
═══════════════════════════════════════════════════ */
.ic-howto {
  background: var(--black);
}
.ic-howto .sec-title {
  color: #fff;
}
.ic-howto .sec-sub {
  color: rgba(255, 255, 255, 0.48);
}
.ic-howto .label {
  color: var(--red);
}
.ic-howto .label::before {
  background: var(--red);
}
.howto-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}
.howto-grid::before {
  content: "";
  position: absolute;
  top: 28px;
  left: 9%;
  right: 9%;
  height: 1px;
  background: rgba(255, 255, 255, 0.07);
}
.howto-step {
  padding: 0 14px;
  text-align: center;
  position: relative;
}
.howto-num {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  border: 2px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.28);
  margin: 0 auto 20px;
  position: relative;
  z-index: 1;
  transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: default;
}
.howto-step:hover .howto-num {
  background: var(--red);
  border-color: var(--red);
  color: #fff;
  box-shadow: 0 0 0 8px rgba(200, 16, 46, 0.13);
}
.howto-step h4 {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}
.howto-step p {
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.4);
  line-height: 1.7;
}

/* ═══════════════════════════════════════════════════
   CTA / NEWSLETTER
═══════════════════════════════════════════════════ */
.ic-cta-strip {
  background: linear-gradient(135deg, var(--red-dark), var(--red));
  padding: 60px 0;
}
.strip-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 40px;
}
.strip-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.6vw, 2.2rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}
.strip-desc {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.8);
  max-width: 500px;
  line-height: 1.75;
}

/* ═══════════════════════════════════════════════════
   CTA DARK
═══════════════════════════════════════════════════ */
.ic-cta {
  background: linear-gradient(
    135deg,
    var(--black) 0%,
    #080c12 50%,
    var(--black) 100%
  );
  padding: 88px 0;
  position: relative;
  overflow: hidden;
  border-top: 1px solid rgba(200, 16, 46, 0.16);
}
.ic-cta::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 640px;
  height: 640px;
  background: radial-gradient(circle, rgba(200, 16, 46, 0.11), transparent 65%);
  pointer-events: none;
}
.cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
}
.cta-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.8vw, 3rem);
  font-weight: 900;
  color: #fff;
  margin-bottom: 18px;
  line-height: 1.15;
}
.cta-title span {
  color: var(--red);
}
.cta-desc {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.46);
  margin: 0 auto 38px;
  max-width: 520px;
  line-height: 1.82;
}
.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.cta-trust {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
  margin-top: 38px;
}
.ct-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.36);
  font-size: 13px;
}
.ct-item i {
  color: var(--red);
}

/* ═══════════════════════════════════════════════════
   RELATED
═══════════════════════════════════════════════════ */
.ic-related {
  background: var(--gray-50);
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.rel-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: 10px;
  padding: 24px;
  transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  display: block;
  position: relative;
  overflow: hidden;
}
.rel-card::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--red);
  transform: scaleX(0);
  transition: transform 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}
.rel-card:hover {
  border-color: var(--red);
  box-shadow: var(--sh-md);
  transform: translateY(-3px);
}
.rel-card:hover::before {
  transform: scaleX(1);
}
.rc-icon {
  width: 44px;
  height: 44px;
  background: var(--red-light);
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 18px;
  margin-bottom: 14px;
  transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}
.rel-card:hover .rc-icon {
  background: var(--red);
  color: #fff;
}
.rel-card h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 6px;
}
.rel-card p {
  font-size: 12.5px;
  color: var(--gray-500);
  line-height: 1.65;
}
.rc-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-top: 12px;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--red);
  opacity: 0;
  transition: opacity 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}
.rel-card:hover .rc-link {
  opacity: 1;
}

/* ═══════════════════════════════════════════════════
   REVEAL
═══════════════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.55s ease,
    transform 0.55s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.d1 {
  transition-delay: 0.08s;
}
.d2 {
  transition-delay: 0.16s;
}
.d3 {
  transition-delay: 0.24s;
}
.d4 {
  transition-delay: 0.32s;
}

/* ═══════════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════════ */
@media (max-width: 1100px) {
  .hero-inner {
    gap: 48px;
  }
  .calc-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .calc-results {
    position: static;
  }
  .picker-grid {
    grid-template-columns: 1fr 1fr;
  }
  .related-grid {
    grid-template-columns: 1fr 1fr;
  }
  .howto-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
  .howto-grid::before {
    display: none;
  }
}
@media (max-width: 900px) {
  :root {
    --py: 72px;
  }
  .hero-inner {
    grid-template-columns: 1fr;
  }
  .hero-visual {
    display: none;
  }
  .strip-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .result-breakdown {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 640px) {
  .picker-grid {
    grid-template-columns: 1fr;
  }
  .howto-grid {
    grid-template-columns: 1fr;
  }
  .related-grid {
    grid-template-columns: 1fr 1fr;
  }
  .result-breakdown {
    grid-template-columns: 1fr;
  }
  .h-actions {
    flex-direction: column;
  }
  .h-actions .btn {
    width: 100%;
    justify-content: center;
  }
  .cta-actions {
    flex-direction: column;
    align-items: center;
  }
  .cta-actions .btn {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }
}