:root {
  --green-950: #052e16;
  --green-900: #0b4b2b;
  --green-800: #126237;
  --green-700: #168344;
  --green-600: #20a454;
  --green-100: #dff7e8;
  --green-50: #f2fbf5;
  --orange-500: #f26d21;
  --orange-400: #ff914d;
  --yellow-400: #f6cf36;
  --ink: #17231b;
  --muted: #617066;
  --line: #dce8df;
  --white: #ffffff;
  --soft: #f7faf8;
  --shadow: 0 24px 70px rgba(11, 75, 43, 0.14);
  --radius-xl: 30px;
  --radius-lg: 20px;
  --container: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.container {
  width: min(calc(100% - 40px), var(--container));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 999;
  padding: 10px 16px;
  border-radius: 10px;
  color: #fff;
  background: var(--green-950);
  transform: translateY(-180%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.11);
  background: rgba(5, 46, 22, 0.95);
  backdrop-filter: blur(15px);
}

.nav-shell {
  min-height: 78px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand img,
.footer-brand img {
  border: 2px solid rgba(255, 255, 255, 0.82);
  border-radius: 50%;
  background: #fff;
  object-fit: cover;
}

.brand span {
  display: grid;
  line-height: 1.2;
}

.brand strong {
  letter-spacing: 0.12em;
}

.brand small {
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.67);
}

nav {
  display: flex;
  justify-content: center;
  gap: 28px;
}

nav a {
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.93rem;
  font-weight: 800;
  text-decoration: none;
}

nav a:hover {
  color: #fff;
}

.audio-control {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 14px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  font-weight: 850;
}

.audio-control.is-playing {
  color: var(--green-950);
  border-color: var(--yellow-400);
  background: var(--yellow-400);
}

.audio-bars {
  height: 18px;
  display: inline-flex;
  align-items: center;
  gap: 2px;
}

.audio-bars i {
  width: 3px;
  height: 6px;
  border-radius: 999px;
  background: currentColor;
}

.audio-control.is-playing .audio-bars i {
  animation: soundbar 0.75s ease-in-out infinite alternate;
}

.audio-control.is-playing .audio-bars i:nth-child(2) {
  animation-delay: 0.18s;
}

.audio-control.is-playing .audio-bars i:nth-child(3) {
  animation-delay: 0.34s;
}

.audio-control.is-playing .audio-bars i:nth-child(4) {
  animation-delay: 0.5s;
}

@keyframes soundbar {
  from { height: 5px; }
  to { height: 18px; }
}

.hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(circle at 80% 45%, rgba(246, 207, 54, 0.26), transparent 24%),
    linear-gradient(135deg, var(--green-950), var(--green-800) 62%, #0f6938);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 120px;
  pointer-events: none;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.12), transparent);
}

.hero-grid {
  position: relative;
  z-index: 2;
  min-height: 690px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 42px;
  padding-top: 70px;
  padding-bottom: 80px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 15px;
  color: var(--green-700);
  font-size: 0.79rem;
  font-weight: 950;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 32px;
  height: 3px;
  border-radius: 999px;
  background: var(--orange-500);
}

.eyebrow-light {
  color: #b7f5cd;
}

.hero h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(3rem, 6vw, 5.7rem);
  line-height: 0.98;
  letter-spacing: -0.06em;
}

.hero h1 span {
  display: block;
  color: var(--yellow-400);
}

.hero-lead {
  max-width: 680px;
  margin: 25px 0;
  color: rgba(255, 255, 255, 0.79);
  font-size: 1.1rem;
}

.price-highlight {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 9px 14px;
  margin: 24px 0 30px;
}

.price-highlight > span {
  width: 100%;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.price-highlight strong {
  color: var(--yellow-400);
  font-size: clamp(2.1rem, 4vw, 3.2rem);
  line-height: 1;
}

.price-highlight small {
  color: #d8fce4;
  font-weight: 850;
}

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

.button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 20px;
  border: 0;
  border-radius: 14px;
  font-weight: 900;
  text-decoration: none;
  transition: transform 170ms ease, box-shadow 170ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button:focus-visible,
input:focus-visible,
a:focus-visible,
.audio-control:focus-visible {
  outline: 3px solid var(--yellow-400);
  outline-offset: 3px;
}

.button-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--orange-500), var(--orange-400));
  box-shadow: 0 14px 30px rgba(242, 109, 33, 0.28);
}

.button-ghost {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.08);
}

.button-light {
  color: var(--green-950);
  background: #fff;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.button-full {
  width: 100%;
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin-top: 25px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.88rem;
  font-weight: 750;
}

.hero-facts span {
  position: relative;
}

.hero-facts span:not(:first-child)::before {
  content: "•";
  position: absolute;
  left: -13px;
  color: var(--yellow-400);
}

.hero-product {
  position: relative;
  min-height: 525px;
  display: grid;
  place-items: center;
}

.product-ring {
  position: absolute;
  width: min(470px, 91%);
  aspect-ratio: 1;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;
  box-shadow:
    0 0 0 30px rgba(255, 255, 255, 0.03),
    0 0 0 65px rgba(255, 255, 255, 0.02);
}

.product-image {
  position: relative;
  z-index: 2;
  width: min(440px, 94%);
  filter: drop-shadow(0 30px 35px rgba(0, 0, 0, 0.32));
  animation: float 5s ease-in-out infinite;
}

.product-stamp {
  position: absolute;
  z-index: 3;
  right: 3%;
  bottom: 11%;
  min-width: 120px;
  display: grid;
  padding: 17px;
  border-radius: 18px;
  color: var(--green-950);
  background: var(--yellow-400);
  box-shadow: var(--shadow);
  transform: rotate(4deg);
}

.product-stamp strong {
  font-size: 1.55rem;
  line-height: 1;
}

.product-stamp span {
  margin-top: 4px;
  font-size: 0.82rem;
  font-weight: 850;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  opacity: 0.18;
}

.hero-orb-left {
  width: 340px;
  height: 340px;
  left: -165px;
  bottom: -165px;
  border: 52px solid #fff;
}

.hero-orb-right {
  width: 240px;
  height: 240px;
  right: -105px;
  top: 90px;
  border: 36px solid var(--yellow-400);
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(-1deg); }
  50% { transform: translateY(-13px) rotate(1deg); }
}

.quick-info {
  position: relative;
  z-index: 4;
  background: #fff;
  box-shadow: 0 12px 35px rgba(11, 75, 43, 0.08);
}

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

.quick-grid article {
  min-height: 126px;
  display: grid;
  align-content: center;
  padding: 25px 30px;
  border-right: 1px solid var(--line);
}

.quick-grid article:last-child {
  border-right: 0;
}

.quick-grid strong {
  color: var(--green-900);
  font-size: 1.45rem;
}

.quick-grid span {
  color: var(--muted);
  font-size: 0.9rem;
}

.section {
  padding: 108px 0;
}

.section-soft {
  background: var(--soft);
}

.section-heading {
  max-width: 780px;
  margin-bottom: 45px;
}

.section h2 {
  max-width: 850px;
  margin: 0;
  font-size: clamp(2.1rem, 4vw, 3.65rem);
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.section-heading p,
.price-copy > p,
.calculator-copy > p {
  color: var(--muted);
  font-size: 1.04rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  position: relative;
  overflow: hidden;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: 0 14px 42px rgba(11, 75, 43, 0.06);
}

.feature-number {
  display: block;
  margin-bottom: 20px;
  color: var(--orange-500);
  font-size: 0.83rem;
  font-weight: 950;
  letter-spacing: 0.12em;
}

.feature-card h3 {
  margin: 0 0 10px;
  font-size: 1.33rem;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
}

.price-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 76px;
}

.check-list {
  display: grid;
  gap: 14px;
  margin: 30px 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 34px;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 1px;
  width: 23px;
  height: 23px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--green-700);
  font-size: 0.78rem;
  font-weight: 900;
}

.notice {
  padding: 15px 18px;
  border-left: 4px solid var(--orange-500);
  border-radius: 9px;
  color: #9a3412;
  background: #fff7ed;
  font-size: 0.92rem;
  font-weight: 750;
}

.price-card {
  padding: 35px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: #fff;
  box-shadow: var(--shadow);
}

.price-card img {
  width: 96px;
  margin-bottom: 22px;
}

.card-kicker,
.card-meta {
  display: block;
  color: var(--muted);
}

.card-price {
  display: block;
  margin: 5px 0;
  color: var(--green-900);
  font-size: clamp(2.3rem, 4vw, 3.45rem);
  line-height: 1;
  letter-spacing: -0.04em;
}

.card-divider {
  height: 1px;
  margin: 28px 0;
  background: var(--line);
}

.card-row {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  margin: 13px 0;
}

.price-card .button {
  margin-top: 24px;
}

.calculator-section {
  background:
    radial-gradient(circle at 8% 18%, rgba(32, 164, 84, 0.09), transparent 26%),
    #fff;
}

.calculator-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: start;
  gap: 70px;
}

.calculator-note {
  margin-top: 28px;
  padding: 18px 20px;
  border-radius: 14px;
  color: var(--green-900);
  background: var(--green-50);
  font-weight: 850;
}

.calculator-card {
  padding: 35px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: #fff;
  box-shadow: var(--shadow);
}

.calculator-card label {
  display: block;
  margin: 20px 0 8px;
  font-weight: 850;
}

.calculator-card label:first-child {
  margin-top: 0;
}

.input-with-unit {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  overflow: hidden;
  border: 1px solid #cbd9cf;
  border-radius: 14px;
}

.input-with-unit:focus-within {
  outline: 3px solid rgba(246, 207, 54, 0.68);
}

.input-with-unit input {
  border: 0;
  outline: 0;
}

.input-with-unit span {
  padding: 0 18px;
  color: var(--green-900);
  font-weight: 900;
}

.calculator-card input {
  width: 100%;
  min-height: 54px;
  padding: 12px 15px;
  border: 1px solid #cbd9cf;
  border-radius: 14px;
  color: var(--ink);
  background: #fff;
}

.calculator-card small {
  color: var(--muted);
}

.result-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin: 28px 0 20px;
}

.result-panel > div {
  padding: 18px;
  border-radius: 14px;
  background: var(--soft);
}

.result-panel span,
.result-panel strong,
.result-panel small {
  display: block;
}

.result-panel span {
  color: var(--muted);
  font-size: 0.85rem;
}

.result-panel strong {
  margin-top: 5px;
  color: var(--green-900);
  font-size: 1.3rem;
}

.result-panel .result-total {
  grid-column: 1 / -1;
  border: 1px solid #b9efca;
  background: var(--green-50);
}

.result-total strong {
  font-size: clamp(1.8rem, 4vw, 2.7rem);
}

.form-error {
  margin: 0 0 16px;
  padding: 12px 14px;
  border-radius: 10px;
  color: #991b1b;
  background: #fee2e2;
  font-weight: 750;
}

.contact-section {
  padding-top: 20px;
  padding-bottom: 100px;
}

.contact-panel {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 45px;
  padding: 55px;
  border-radius: var(--radius-xl);
  color: #fff;
  background:
    linear-gradient(120deg, rgba(246, 207, 54, 0.12), transparent 42%),
    var(--green-900);
  box-shadow: var(--shadow);
}

.contact-panel p {
  max-width: 730px;
  color: rgba(255, 255, 255, 0.76);
}

.contact-actions {
  display: grid;
  justify-items: start;
  gap: 14px;
}

.contact-actions span {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.87rem;
}

.site-footer {
  padding: 32px 0;
  color: rgba(255, 255, 255, 0.72);
  background: var(--green-950);
}

.footer-grid,
.footer-brand {
  display: flex;
  align-items: center;
}

.footer-grid {
  justify-content: space-between;
  gap: 30px;
}

.footer-brand {
  gap: 12px;
}

.footer-brand div {
  display: grid;
}

.footer-brand strong {
  color: #fff;
}

.footer-brand span {
  font-size: 0.85rem;
}

.site-footer p {
  margin: 0;
  text-align: right;
  font-size: 0.9rem;
}

.floating-whatsapp {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 90;
  width: 62px;
  height: 62px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: #25d366;
  box-shadow: 0 16px 40px rgba(5, 46, 22, 0.3);
  transition: transform 170ms ease;
}

.floating-whatsapp:hover {
  transform: translateY(-4px) scale(1.03);
}

.floating-whatsapp svg {
  width: 33px;
  height: 33px;
}

.audio-prompt {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: grid;
  align-items: end;
  padding: 22px;
  background: rgba(5, 46, 22, 0.62);
  backdrop-filter: blur(8px);
}

.audio-prompt[hidden] {
  display: none;
}

.audio-prompt-card {
  position: relative;
  width: min(100%, 650px);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px;
  margin-inline: auto;
  padding: 23px;
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 24px;
  color: #fff;
  background: var(--green-900);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.35);
}

.audio-prompt-card p {
  margin: 4px 0 0;
  color: rgba(255, 255, 255, 0.73);
  font-size: 0.9rem;
}

.prompt-icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 15px;
  color: var(--green-950);
  background: var(--yellow-400);
  font-size: 1.6rem;
  font-weight: 900;
}

.prompt-close {
  position: absolute;
  top: -12px;
  right: -8px;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 50%;
  color: var(--green-950);
  background: #fff;
  font-size: 1.4rem;
  line-height: 1;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.22);
}

.noscript {
  position: fixed;
  inset: auto 10px 10px;
  z-index: 140;
  padding: 12px;
  border-radius: 10px;
  color: #fff;
  background: #991b1b;
  text-align: center;
}

@media (max-width: 980px) {
  .nav-shell {
    grid-template-columns: auto 1fr;
  }

  nav {
    display: none;
  }

  .audio-control {
    justify-self: end;
  }

  .hero-grid,
  .price-layout,
  .calculator-layout,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    min-height: auto;
    padding-top: 60px;
  }

  .hero-copy {
    margin-inline: auto;
    text-align: center;
  }

  .hero .eyebrow,
  .hero-actions,
  .hero-facts {
    justify-content: center;
  }

  .price-highlight {
    justify-content: center;
  }

  .hero-product {
    min-height: 440px;
  }

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

  .quick-grid article:nth-child(2) {
    border-right: 0;
  }

  .quick-grid article:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

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

  .price-layout,
  .calculator-layout {
    gap: 42px;
  }

  .contact-panel {
    padding: 40px;
  }
}

@media (max-width: 660px) {
  .container {
    width: min(calc(100% - 28px), var(--container));
  }

  .site-header {
    position: relative;
  }

  .nav-shell {
    min-height: 70px;
    gap: 12px;
  }

  .brand img {
    width: 44px;
    height: 44px;
  }

  .brand small {
    display: none;
  }

  .audio-control {
    padding: 9px 11px;
  }

  #audio-label {
    display: none;
  }

  .hero-grid {
    padding-top: 48px;
    padding-bottom: 50px;
  }

  .hero h1 {
    font-size: clamp(2.75rem, 13vw, 4.2rem);
  }

  .hero-lead {
    font-size: 1rem;
  }

  .hero-actions {
    display: grid;
  }

  .hero-actions .button {
    width: 100%;
  }

  .hero-facts {
    display: grid;
    gap: 7px;
  }

  .hero-facts span:not(:first-child)::before {
    display: none;
  }

  .hero-product {
    min-height: 350px;
  }

  .product-image {
    width: min(340px, 100%);
  }

  .product-stamp {
    right: 0;
    bottom: 5%;
    min-width: 105px;
    padding: 14px;
  }

  .quick-grid article {
    min-height: 106px;
    padding: 20px 16px;
  }

  .quick-grid strong {
    font-size: 1.16rem;
  }

  .section {
    padding: 76px 0;
  }

  .section h2 {
    font-size: 2.25rem;
  }

  .feature-card,
  .price-card,
  .calculator-card {
    padding: 24px;
  }

  .result-panel {
    grid-template-columns: 1fr;
  }

  .result-panel .result-total {
    grid-column: auto;
  }

  .contact-section {
    padding-top: 0;
  }

  .contact-panel {
    padding: 31px 24px;
  }

  .contact-actions,
  .contact-actions .button {
    width: 100%;
  }

  .footer-grid {
    display: grid;
    justify-items: start;
  }

  .site-footer p {
    text-align: left;
  }

  .floating-whatsapp {
    right: 14px;
    bottom: 14px;
    width: 56px;
    height: 56px;
  }

  .audio-prompt {
    padding: 14px;
  }

  .audio-prompt-card {
    grid-template-columns: auto 1fr;
    gap: 13px;
    padding: 22px 18px;
  }

  .audio-prompt-card .button {
    grid-column: 1 / -1;
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}
