:root {
  --hero-bg: #121820;
  --hero-bg-2: #0c1016;
  --brand-red: #c11b22;
  --brand-red-dark: #9e161c;
  --brand-red-glow: rgba(193, 27, 34, 0.35);
  --text-on-dark: #f0f3f8;
  --text-muted-dark: #9aa5b5;
  --card: #ffffff;
  --text: #1a2230;
  --text-muted: #5d6775;
  --border: #e2e6ec;
  --border-input: #d4dae3;
  --whatsapp: #25d366;
  --whatsapp-hover: #1ebe57;
  --radius: 10px;
  --radius-lg: 16px;
  --font-body: "DM Sans", system-ui, sans-serif;
  --font-display: "Outfit", system-ui, sans-serif;
  --header-h: 76px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--hero-bg-2);
  -webkit-font-smoothing: antialiased;
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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

.container {
  width: min(1180px, 92vw);
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(12, 16, 22, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo {
  width: clamp(108px, 16vw, 140px);
  border-radius: 0;
  padding: 0;
  background: transparent;
}

.brand-tag {
  display: none;
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted-dark);
  max-width: 9rem;
  line-height: 1.35;
}

@media (min-width: 900px) {
  .brand-tag {
    display: block;
  }
}

.header-nav {
  display: none;
  align-items: center;
  gap: 1.35rem;
}

.header-nav a:not(.btn) {
  font-size: 0.88rem;
  color: var(--text-muted-dark);
  transition: color 0.2s;
}

.header-nav a:not(.btn):hover {
  color: var(--text-on-dark);
}

@media (min-width: 992px) {
  .header-nav {
    display: flex;
  }
}

.nav-toggle {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  background: transparent;
  color: var(--text-on-dark);
  cursor: pointer;
}

@media (min-width: 992px) {
  .nav-toggle {
    display: none;
  }
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0 4vw 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.mobile-nav[hidden] {
  display: none;
}

.mobile-nav a {
  padding: 0.65rem 0;
  color: var(--text-muted-dark);
  font-size: 0.95rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.25rem;
  font-family: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--brand-red);
  color: #fff;
  box-shadow: 0 8px 24px var(--brand-red-glow);
}

.btn-primary:hover {
  background: var(--brand-red-dark);
  color: #fff;
}

.btn-sm {
  padding: 0.55rem 1rem;
  font-size: 0.82rem;
  border-radius: 8px;
}

.btn-ghost {
  background: transparent;
  color: var(--text-on-dark);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
}

.btn-block {
  width: 100%;
}

/* Hero */
.hero {
  position: relative;
  padding: clamp(2rem, 5vw, 3.5rem) 0 clamp(3rem, 8vw, 5rem);
  color: var(--text-on-dark);
  overflow: hidden;
}

.hero-deco {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 55% at 15% 50%, rgba(193, 27, 34, 0.12), transparent),
  radial-gradient(circle at 85% 20%, rgba(255, 255, 255, 0.04), transparent),
    linear-gradient(180deg, var(--hero-bg) 0%, var(--hero-bg-2) 100%);
  pointer-events: none;
}

.hero-deco::before,
.hero-deco::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 50%;
  pointer-events: none;
}

.hero-deco::before {
  width: 420px;
  height: 420px;
  right: 8%;
  top: 12%;
}

.hero-deco::after {
  width: 280px;
  height: 280px;
  right: 18%;
  bottom: 8%;
}

.hero-layout {
  position: relative;
  display: grid;
  gap: 2rem;
  align-items: start;
}

@media (min-width: 1024px) {
  .hero-layout {
    grid-template-columns: 1fr min(440px, 42vw);
    gap: 2.5rem;
    align-items: center;
  }
}

.hero-kicker {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin: 0 0 1.25rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand-red);
}

.kicker-line {
  width: 28px;
  height: 2px;
  background: var(--brand-red);
}

.hero-copy h1 {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4.2vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  margin: 0 0 1.15rem;
  letter-spacing: -0.02em;
}

.text-accent {
  color: var(--brand-red);
}

.hero-desc {
  margin: 0 0 1.75rem;
  font-size: 1rem;
  color: var(--text-muted-dark);
  max-width: 34rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2.25rem;
}

.hero-stats {
  list-style: none;
  margin: 0;
  padding: 2rem 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.hero-stats li {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.hero-stats strong {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
}

.hero-stats span {
  font-size: 0.82rem;
  color: var(--text-muted-dark);
}

/* Inquiry card */
.inquiry-card {
  background: var(--card);
  color: var(--text);
  border-radius: var(--radius-lg);
  padding: clamp(1.25rem, 3vw, 1.75rem);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

.inquiry-head h2 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  margin: 0 0 0.35rem;
  color: var(--text);
}

.inquiry-head p {
  margin: 0 0 1.25rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.inquiry-form {
  margin: 0;
}

.form-row {
  display: grid;
  gap: 0.85rem;
}

.form-row-2 {
  grid-template-columns: 1fr;
}

@media (min-width: 520px) {
  .form-row-2 {
    grid-template-columns: 1fr 1fr;
  }
}

.field {
  margin-bottom: 0.85rem;
}

.field label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--text);
}

.req {
  color: var(--brand-red);
}

.optional {
  font-weight: 500;
  color: var(--text-muted);
}

.control input,
.control select {
  width: 100%;
  font: inherit;
  font-size: 0.88rem;
  color: var(--text);
  background: #fff;
  border: 1px solid var(--border-input);
  border-radius: var(--radius);
  padding: 0.65rem 0.75rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.control input::placeholder {
  color: #9aa3af;
}

.control input:focus,
.control select:focus {
  outline: none;
  border-color: var(--brand-red);
  box-shadow: 0 0 0 3px rgba(193, 27, 34, 0.12);
}

.control input.invalid,
.control select.invalid {
  border-color: var(--brand-red);
}

.control-select {
  position: relative;
}

.control-select select {
  appearance: none;
  padding-right: 2rem;
  cursor: pointer;
}

.control-select > i {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.7rem;
  color: var(--text-muted);
  pointer-events: none;
}

.field-error {
  display: block;
  min-height: 1.1rem;
  font-size: 0.72rem;
  color: var(--brand-red-dark);
  margin-top: 0.2rem;
}

.btn-submit {
  margin-top: 0.25rem;
  padding: 0.9rem 1rem;
  font-size: 0.92rem;
  border-radius: var(--radius);
}

.inquiry-note {
  margin: 0.85rem 0 0;
  font-size: 0.72rem;
  line-height: 1.45;
  color: var(--text-muted);
  text-align: center;
}

/* Brands */
.brands {
  padding: 2.5rem 0;
  background: #181f28;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.section-title-light {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-muted-dark);
  margin: 0 0 1.25rem;
  text-align: center;
}

.brand-chips {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
}

.brand-chips li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.85rem;
  font-size: 0.82rem;
  color: var(--text-muted-dark);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
}

.brand-chips i {
  color: var(--brand-red);
  font-size: 0.75rem;
}

/* Features */
.section-dark {
  padding: 3rem 0;
  background: var(--hero-bg-2);
  color: var(--text-on-dark);
  text-align: center;
}

.features-compact h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin: 0 0 0.5rem;
}

.section-lead {
  margin: 0 auto 1.75rem;
  max-width: 32rem;
  color: var(--text-muted-dark);
  font-size: 0.95rem;
}

.feature-row {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem 2rem;
}

.feature-row li {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-muted-dark);
}

.feature-row i {
  color: var(--brand-red);
}

/* Contact bar */
.contact-bar {
  padding: 2.5rem 0;
  background: #fff;
}

.contact-bar-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.contact-bar h2 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  margin: 0 0 0.35rem;
  color: var(--text);
}

.contact-bar p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text-muted);
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.contact-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.15rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 8px;
}

.contact-btn-wa {
  background: var(--whatsapp);
  color: #fff;
}

.contact-btn-wa:hover {
  background: var(--whatsapp-hover);
  color: #fff;
}

.contact-btn-tel {
  background: var(--brand-red);
  color: #fff;
}

.contact-btn-tel:hover {
  background: var(--brand-red-dark);
  color: #fff;
}

/* Footer */
.site-footer {
  padding: 1.5rem 0;
  background: #0a0e13;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-logo {
  background: transparent;
  border-radius: 0;
  padding: 0;
  opacity: 0.95;
}

.footer-copy {
  margin: 0;
  font-size: 0.82rem;
  color: var(--text-muted-dark);
}

/* FAB */
.fab-whatsapp {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 150;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.75rem 1.1rem;
  background: var(--whatsapp);
  color: #fff;
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: 999px;
  box-shadow: 0 8px 28px rgba(37, 211, 102, 0.4);
  transition: transform 0.2s, background 0.2s;
}

.fab-whatsapp:hover {
  background: var(--whatsapp-hover);
  color: #fff;
  transform: translateY(-2px);
}

.fab-whatsapp i {
  font-size: 1.25rem;
}

@media (max-width: 480px) {
  .fab-whatsapp span {
    display: none;
  }

  .fab-whatsapp {
    width: 52px;
    height: 52px;
    padding: 0;
    justify-content: center;
    border-radius: 50%;
  }
}

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

  .btn:active,
  .fab-whatsapp:hover {
    transform: none;
  }
}