:root {
  --color-black: #050505;
  --color-black-soft: #121212;
  --color-orange: #ff5a00;
  --color-orange-soft: #ff8b47;
  --color-white: #ffffff;
  --color-cream: #f5f1eb;
  --color-line: rgba(255, 255, 255, 0.08);
  --color-line-dark: rgba(5, 5, 5, 0.08);
  --color-text: #121212;
  --color-muted: #585858;
  --shadow-lg: 0 28px 70px rgba(0, 0, 0, 0.18);
  --shadow-md: 0 18px 40px rgba(0, 0, 0, 0.12);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --container: min(1180px, calc(100vw - 32px));
  --transition: 180ms ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  color: var(--color-text);
  background:
    radial-gradient(circle at top right, rgba(255, 90, 0, 0.18), transparent 28%),
    linear-gradient(180deg, #0f0f0f 0, #0f0f0f 132px, var(--color-cream) 132px, var(--color-cream) 100%);
  line-height: 1.65;
}

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

a {
  color: inherit;
  text-decoration: none;
}

p,
ul,
ol {
  margin: 0 0 1rem;
}

h1,
h2,
h3 {
  margin: 0 0 1rem;
  line-height: 1.1;
  font-family: "Arial Black", "Franklin Gothic Heavy", "Segoe UI", sans-serif;
  letter-spacing: -0.03em;
}

h1 {
  font-size: clamp(2.3rem, 5vw, 4.6rem);
}

h2 {
  font-size: clamp(1.8rem, 3vw, 3rem);
}

h3 {
  font-size: clamp(1.15rem, 2vw, 1.55rem);
}

main {
  overflow: clip;
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 1rem;
  color: var(--color-orange);
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 34px;
  height: 2px;
  background: currentColor;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  background: rgba(5, 5, 5, 0.88);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.site-header.is-scrolled {
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.22);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 86px;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  color: var(--color-white);
  min-width: 0;
}

.site-brand__logo {
  width: 74px;
  height: 74px;
  object-fit: contain;
  border-radius: 18px;
  background: #000;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.22);
}

.site-brand__text {
  display: grid;
  gap: 0.15rem;
}

.site-brand__text strong {
  font-size: 1.05rem;
  letter-spacing: 0.08em;
}

.site-brand__text span {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.72);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.site-nav__link {
  color: rgba(255, 255, 255, 0.78);
  font-weight: 700;
  padding: 0.55rem 0.75rem;
  border-radius: 999px;
  transition: color var(--transition), background var(--transition);
}

.site-nav__link:hover,
.site-nav__link.is-active {
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.08);
}

.site-header__toggle {
  display: none;
  width: 52px;
  height: 52px;
  padding: 0;
  border: 0;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.08);
  cursor: pointer;
}

.site-header__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 5px auto;
  background: var(--color-white);
}

.button,
.button:visited {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0.9rem 1.4rem;
  border: 1px solid transparent;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--color-orange), #ff7a1f);
  color: var(--color-white);
  font-weight: 800;
  letter-spacing: 0.01em;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition);
  box-shadow: 0 18px 28px rgba(255, 90, 0, 0.22);
}

.button:hover {
  transform: translateY(-1px);
}

.button--ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.22);
  color: var(--color-white);
  box-shadow: none;
}

.button--outline {
  background: transparent;
  color: var(--color-black);
  border-color: rgba(5, 5, 5, 0.18);
  box-shadow: none;
}

.button--sm {
  min-height: 44px;
  padding: 0.8rem 1.15rem;
}

.breadcrumbs {
  color: rgba(255, 255, 255, 0.65);
}

.breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  list-style: none;
  padding: 1rem 0 0;
  margin: 0;
  font-size: 0.92rem;
}

.breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  margin-right: 0.45rem;
  color: rgba(255, 255, 255, 0.35);
}

.breadcrumbs__item {
  display: inline-flex;
  align-items: center;
  color: rgba(255, 255, 255, 0.72);
}

.hero {
  position: relative;
  padding: 1.5rem 0 4.5rem;
  color: var(--color-white);
  background:
    linear-gradient(135deg, rgba(14, 14, 14, 0.98) 0%, rgba(33, 19, 10, 0.96) 45%, rgba(7, 7, 7, 0.98) 100%);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 100%;
  background:
    radial-gradient(circle at 20% 20%, rgba(255, 90, 0, 0.25), transparent 32%),
    radial-gradient(circle at 80% 0%, rgba(255, 255, 255, 0.06), transparent 30%);
  pointer-events: none;
}

.hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 2rem;
  align-items: center;
}

.hero__lead {
  max-width: 60ch;
  font-size: 1.08rem;
  color: rgba(255, 255, 255, 0.82);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin: 1.8rem 0;
}

.hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.hero__badges li {
  padding: 0.7rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  font-size: 0.92rem;
}

.hero__media,
.media-card {
  position: relative;
}

.hero__media::before,
.media-card::before {
  content: "";
  position: absolute;
  inset: auto -10% -8% 10%;
  height: 50%;
  background: radial-gradient(circle, rgba(255, 90, 0, 0.3), transparent 65%);
  filter: blur(30px);
  z-index: 0;
}

.hero__image,
.media-card__image {
  position: relative;
  width: 100%;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-lg);
  z-index: 1;
}

.section {
  padding: 5.25rem 0;
}

.section--light {
  background: var(--color-cream);
}

.section--dark {
  position: relative;
  color: var(--color-white);
  background:
    linear-gradient(180deg, #0f0f0f 0%, #151515 100%);
}

.section--accent {
  background:
    linear-gradient(135deg, rgba(255, 90, 0, 0.95), rgba(255, 112, 39, 0.95)),
    #ff5a00;
  color: var(--color-white);
}

.section-heading {
  max-width: 780px;
  margin-bottom: 2rem;
}

.section-heading p:last-child {
  color: var(--color-muted);
}

.section--dark .section-heading p:last-child,
.section--accent .section-heading p:last-child,
.section--dark p,
.section--accent p {
  color: rgba(255, 255, 255, 0.8);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.card-grid--blog {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(5, 5, 5, 0.06);
  box-shadow: var(--shadow-md);
}

.section--dark .card {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.08);
}

.card--blog {
  padding: 0;
  overflow: hidden;
}

.card__media {
  border-bottom: 1px solid rgba(5, 5, 5, 0.06);
}

.section--dark .card__media {
  border-color: rgba(255, 255, 255, 0.08);
}

.card__body {
  padding: 1.45rem;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 0.4rem;
  color: var(--color-orange);
  font-weight: 800;
}

.text-link::after {
  content: "→";
}

.split-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem;
  align-items: center;
}

.split-panel--reverse > :first-child {
  order: 2;
}

.split-panel--reverse > :last-child {
  order: 1;
}

.check-list,
.footer-links,
.footer-contact,
.contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.check-list li,
.contact-list li {
  position: relative;
  padding-left: 1.55rem;
  margin-bottom: 0.8rem;
}

.check-list li::before,
.contact-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--color-orange);
}

.section--dark .check-list li::before,
.section--accent .check-list li::before {
  background: var(--color-white);
}

.section-actions {
  display: flex;
  justify-content: center;
  margin-top: 2rem;
}

.cta-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.cta-panel__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.7fr);
  gap: 1.5rem;
  align-items: start;
}

.info-box,
.contact-card {
  padding: 1.6rem;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(5, 5, 5, 0.06);
  box-shadow: var(--shadow-md);
}

.faq-list {
  display: grid;
  gap: 0.9rem;
}

.faq-item {
  padding: 1.1rem 1.25rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(5, 5, 5, 0.08);
}

.faq-item summary {
  list-style: none;
  font-weight: 800;
  cursor: pointer;
  position: relative;
  padding-right: 1.8rem;
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 0;
  color: var(--color-orange);
  font-size: 1.35rem;
}

.faq-item[open] summary::after {
  content: "–";
}

.faq-item p {
  margin-top: 0.85rem;
  color: var(--color-muted);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.4rem;
}

.contact-form {
  display: grid;
  gap: 0.9rem;
}

.contact-form label {
  display: grid;
  gap: 0.4rem;
  font-weight: 700;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.95rem 1rem;
  border-radius: 16px;
  border: 1px solid rgba(5, 5, 5, 0.12);
  font: inherit;
  color: var(--color-text);
  background: #fff;
}

.contact-form textarea {
  resize: vertical;
}

.form-note {
  font-size: 0.9rem;
  color: var(--color-muted);
}

.calculator-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 1.4rem;
  align-items: start;
}

.calculator-card {
  padding: 1.6rem;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-md);
}

.calculator-form,
.calculator-result {
  min-height: 100%;
}

.calculator-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.field {
  display: grid;
  gap: 0.42rem;
  font-weight: 700;
  color: var(--color-white);
}

.field span {
  font-size: 0.96rem;
}

.field input,
.field select {
  width: 100%;
  min-height: 58px;
  padding: 0.95rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.98);
  color: var(--color-text);
  font: inherit;
}

.field select {
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--color-orange) 50%),
    linear-gradient(135deg, var(--color-orange) 50%, transparent 50%);
  background-position:
    calc(100% - 22px) calc(50% - 4px),
    calc(100% - 15px) calc(50% - 4px);
  background-size: 7px 7px, 7px 7px;
  background-repeat: no-repeat;
}

.calculator-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-top: 1.15rem;
}

.calculator-actions p {
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.94rem;
}

.calculator-error {
  margin-top: 1rem;
  padding: 0.95rem 1rem;
  border-radius: 14px;
  background: rgba(255, 90, 0, 0.15);
  color: #ffd2bc;
  border: 1px solid rgba(255, 90, 0, 0.3);
  font-weight: 700;
}

.calculator-result__header {
  display: grid;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.calculator-result__header h3 {
  margin-bottom: 0;
}

.calculator-result__price {
  font-family: "Arial Black", "Franklin Gothic Heavy", "Segoe UI", sans-serif;
  font-size: clamp(2rem, 3.2vw, 3.15rem);
  line-height: 1;
  color: var(--color-orange-soft);
}

.calculator-summary {
  display: grid;
  gap: 0.8rem;
  margin: 0;
}

.calculator-summary div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.calculator-summary dt {
  color: rgba(255, 255, 255, 0.62);
}

.calculator-summary dd {
  margin: 0;
  text-align: right;
  color: var(--color-white);
  font-weight: 800;
}

.calculator-note {
  margin-top: 1rem;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.94rem;
}

.article {
  background: var(--color-cream);
}

.article__container {
  max-width: 860px;
}

.article__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1rem;
  color: var(--color-muted);
  font-size: 0.92rem;
}

.article__intro {
  font-size: 1.1rem;
}

.article-section + .article-section {
  margin-top: 2.3rem;
}

.article a {
  color: var(--color-orange);
  font-weight: 700;
}

.footer-links li,
.footer-contact li {
  margin-bottom: 0.7rem;
}

.footer-links a,
.footer-contact a {
  color: inherit;
}

.footer-links--columns {
  columns: 2;
  gap: 1.5rem;
}

.site-footer {
  color: var(--color-white);
  background:
    radial-gradient(circle at top right, rgba(255, 90, 0, 0.18), transparent 30%),
    #050505;
  padding: 4rem 0 2rem;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 1.5rem;
}

.site-footer__logo {
  width: 108px;
  height: 108px;
  object-fit: contain;
  border-radius: 22px;
  background: #000;
  margin-bottom: 1rem;
}

.site-footer h2 {
  font-size: 1.15rem;
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.9rem;
  padding-top: 1.6rem;
  margin-top: 1.6rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.66);
  font-size: 0.92rem;
}

.floating-whatsapp {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 50;
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.95rem 1.2rem;
  border-radius: 999px;
  background: var(--color-orange);
  color: var(--color-white);
  font-weight: 800;
  box-shadow: 0 20px 38px rgba(255, 90, 0, 0.28);
}

.floating-whatsapp::before {
  content: "";
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-white);
}

@media (max-width: 1024px) {
  .hero__grid,
  .split-panel,
  .content-grid,
  .contact-grid,
  .site-footer__grid,
  .calculator-shell {
    grid-template-columns: 1fr;
  }

  .card-grid,
  .card-grid--blog,
  .calculator-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-links--columns {
    columns: 1;
  }

  .cta-panel {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 780px) {
  body {
    background:
      radial-gradient(circle at top right, rgba(255, 90, 0, 0.15), transparent 22%),
      linear-gradient(180deg, #0f0f0f 0, #0f0f0f 116px, var(--color-cream) 116px, var(--color-cream) 100%);
  }

  .site-header__toggle {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 8px);
    left: 16px;
    right: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    border-radius: 20px;
    background: rgba(17, 17, 17, 0.98);
    box-shadow: var(--shadow-md);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav__link {
    padding: 0.85rem 0.95rem;
  }

  .hero {
    padding-bottom: 3.2rem;
  }

  .card-grid,
  .card-grid--blog,
  .calculator-grid {
    grid-template-columns: 1fr;
  }

  .hero__actions,
  .cta-panel__actions,
  .calculator-actions {
    width: 100%;
  }

  .hero__actions .button,
  .cta-panel__actions .button,
  .calculator-actions .button {
    width: 100%;
  }

  .calculator-summary div {
    flex-direction: column;
  }

  .calculator-summary dd {
    text-align: left;
  }

  .site-brand__text span {
    display: none;
  }

  .floating-whatsapp {
    left: 16px;
    right: 16px;
    justify-content: center;
  }
}