/* ============================================================
   THERMO FACAS E FERRAMENTAS - LANDING PAGE CSS
   Design: Industrial Premium | Dark Graphite + Fire Red/Orange
   ============================================================ */

/* ---- RESET & BASE ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Barlow', sans-serif;
  background: #0d0d0d;
  color: #e0e0e0;
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* ---- CSS VARIABLES ---- */
:root {
  --fire-red: #e8280a;
  --fire-orange: #f05c00;
  --fire-amber: #ff8c00;
  --gold: #c9a227;
  --graphite-dark: #08090a;
  --graphite-mid: #101215;
  --graphite-light: #181a1f;
  --graphite-border: #262930;
  --graphite-border-light: #363a45;
  --steel: #8a92a3;
  --steel-light: #b0b8c8;
  --white: #ffffff;
  --text-primary: #f4f6fa;
  --text-secondary: #9aa2b5;
  --grad-fire: linear-gradient(135deg, #e8280a 0%, #f05c00 50%, #ff8c00 100%);
  --grad-dark: linear-gradient(180deg, #08090a 0%, #101215 100%);
  --grad-metal: linear-gradient(135deg, #262930 0%, #181a1f 50%, #2a2d35 100%);
  --grad-titanium: linear-gradient(135deg, #3a3e4a 0%, #262930 40%, #181a1f 100%);
  --shadow-fire: 0 8px 32px rgba(232,40,10,0.4), inset 0 2px 0 rgba(255,255,255,0.2), inset 0 -2px 0 rgba(0,0,0,0.2);
  --shadow-card: 0 10px 40px rgba(0,0,0,0.6), inset 0 1px 1px rgba(255,255,255,0.08), inset 0 -1px 1px rgba(0,0,0,0.4);
  --shadow-btn: 0 10px 30px rgba(0,0,0,0.5), inset 0 2px 0 rgba(255,255,255,0.1), inset 0 -2px 0 rgba(0,0,0,0.3);
  --radius: 6px;
  --radius-lg: 12px;
  --container: 1180px;
  --header-h: 76px;
}

/* ---- CONTAINER ---- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- SECTION BASE ---- */
.section-pad { padding: 96px 0; }
.section-header { text-align: center; margin-bottom: 64px; }
.section-tag {
  display: inline-block;
  background: rgba(240,92,0,0.15);
  color: var(--fire-orange);
  border: 1px solid rgba(240,92,0,0.3);
  border-radius: 40px;
  padding: 6px 20px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-title {
  font-family: 'Rajdhani', sans-serif;
  font-size: clamp(2.5rem, 5vw, 3.8rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.05;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  text-shadow: 0 4px 20px rgba(0,0,0,0.5);
}
.section-sub {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}
.highlight {
  background: var(--grad-fire);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-family: 'Barlow', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.02em;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.12);
  opacity: 0;
  transition: opacity 0.2s;
}
.btn:hover::before { opacity: 1; }

.btn--fire {
  background: var(--grad-fire);
  color: #fff;
  box-shadow: var(--shadow-fire);
  transform: translateY(0);
  border: 1px solid rgba(255,255,255,0.15);
  position: relative;
  overflow: hidden;
}
.btn--fire::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 50%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  transform: skewX(-25deg);
  animation: shine 4s infinite;
}
@keyframes shine {
  0% { left: -100%; }
  20% { left: 200%; }
  100% { left: 200%; }
}
.btn--fire:hover { transform: translateY(-3px); box-shadow: 0 16px 48px rgba(232,40,10,0.6), inset 0 2px 0 rgba(255,255,255,0.3), inset 0 -2px 0 rgba(0,0,0,0.2); }
.btn--fire:active { transform: translateY(2px); box-shadow: 0 4px 16px rgba(232,40,10,0.4), inset 0 4px 8px rgba(0,0,0,0.3); }

.btn--outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.35);
  backdrop-filter: blur(8px);
}
.btn--outline:hover { border-color: var(--fire-orange); color: var(--fire-orange); }

.btn--white {
  background: #fff;
  color: var(--fire-red);
  font-size: 1.1rem;
  font-weight: 800;
  box-shadow: 0 8px 40px rgba(0,0,0,0.35);
}
.btn--white:hover { transform: translateY(-3px); box-shadow: 0 16px 48px rgba(0,0,0,0.5); }

.btn--lg { padding: 18px 36px; font-size: 1.05rem; }
.btn--xl { padding: 22px 48px; font-size: 1.15rem; }

/* ---- FLOATING WHATSAPP ---- */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 12px;
  background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
  color: #fff;
  padding: 14px 22px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.95rem;
  box-shadow: 0 8px 32px rgba(37,211,102,0.4), inset 0 2px 0 rgba(255,255,255,0.2), inset 0 -2px 0 rgba(0,0,0,0.2);
  border: 1px solid rgba(255,255,255,0.2);
  transition: all 0.3s ease;
  animation: pulse-wa 2.5s ease-in-out infinite;
  overflow: hidden;
}
.whatsapp-float::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 50%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.5), transparent);
  transform: skewX(-25deg);
  animation: shine 3s infinite;
}
.whatsapp-float svg { width: 26px; height: 26px; flex-shrink: 0; }
.whatsapp-float:hover {
  transform: translateY(-4px) scale(1.04);
  box-shadow: 0 16px 48px rgba(37,211,102,0.55);
  animation: none;
}
@keyframes pulse-wa {
  0%, 100% { box-shadow: 0 8px 32px rgba(37,211,102,0.4); }
  50% { box-shadow: 0 8px 48px rgba(37,211,102,0.7), 0 0 0 12px rgba(37,211,102,0.08); }
}

/* ---- HEADER ---- */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(13,13,13,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--graphite-border);
  transition: background 0.3s;
}
.header--scrolled { background: rgba(13,13,13,0.98); }
.header__inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 100%;
}
.header__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.header__logo img {
  width: 48px;
  height: 48px;
  object-fit: cover;
  border-radius: 50%;
  border: 2px solid rgba(240,92,0,0.5);
}
.header__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.header__logo-text strong {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.3rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  background: var(--grad-fire);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.header__logo-text small {
  font-size: 0.62rem;
  color: var(--steel);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.header__nav {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}
.header__nav a {
  color: var(--steel-light);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
}
.header__nav a:hover { color: var(--white); background: rgba(255,255,255,0.06); }
.header__burger { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.header__burger span { display: block; width: 24px; height: 2px; background: var(--white); border-radius: 2px; transition: all 0.3s; }

/* ---- HERO ---- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
  overflow: hidden;
}
.hero__bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(13,13,13,0.97) 0%, rgba(13,13,13,0.88) 45%, rgba(13,13,13,0.55) 100%);
  z-index: 2;
}
.hero__img-wrap {
  position: absolute;
  inset: 0;
  z-index: 1;
}
.hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: brightness(0.55) saturate(0.7);
}
.hero__content {
  position: relative;
  z-index: 3;
  padding: 80px 24px;
}
.hero__text { max-width: 680px; }
.hero__badge-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(240,92,0,0.18);
  border: 1px solid rgba(240,92,0,0.4);
  color: var(--fire-orange);
  border-radius: 40px;
  padding: 8px 20px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 28px;
}
.hero__title {
  font-family: 'Rajdhani', sans-serif;
  font-size: clamp(3.5rem, 8vw, 6.5rem);
  font-weight: 700;
  color: var(--white);
  line-height: 0.95;
  margin-bottom: 24px;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  text-shadow: 0 8px 32px rgba(0,0,0,0.8);
}
.hero__subtitle {
  font-size: 1.15rem;
  color: rgba(224,224,224,0.85);
  max-width: 560px;
  margin-bottom: 40px;
  line-height: 1.65;
}
.hero__ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.hero__badges {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.hero__badge-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  padding: 10px 18px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--white);
  backdrop-filter: blur(8px);
}
.badge-icon { font-size: 1.2rem; }

/* ---- BENEFITS ---- */
.benefits { background: var(--graphite-mid); }
.benefits__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.benefit-card {
  background: var(--grad-metal);
  border: 1px solid var(--graphite-border-light);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), border-color 0.3s, box-shadow 0.4s;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.benefit-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad-fire);
  opacity: 0;
  transition: opacity 0.3s;
}
.benefit-card:hover { transform: translateY(-6px); border-color: rgba(240,92,0,0.35); box-shadow: 0 16px 48px rgba(0,0,0,0.4); }
.benefit-card:hover::before { opacity: 1; }
.benefit-card__icon {
  width: 56px;
  height: 56px;
  color: var(--fire-orange);
  margin-bottom: 20px;
}
.benefit-card h3 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 10px;
  letter-spacing: 0.02em;
}
.benefit-card p { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.6; }

/* ---- PRODUCTS ---- */
.products { background: var(--graphite-dark); }
.products__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.product-card {
  background: var(--grad-metal);
  border: 1px solid var(--graphite-border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.4s, border-color 0.3s;
  box-shadow: var(--shadow-card);
}
.product-card:hover { transform: translateY(-5px); box-shadow: 0 20px 60px rgba(0,0,0,0.5); border-color: rgba(240,92,0,0.4); }
.product-card--wide { grid-column: 1 / -1; }
.product-card__img { position: relative; height: 220px; overflow: hidden; }
.product-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.product-card:hover .product-card__img img { transform: scale(1.06); }
.product-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(24,24,24,0.9) 0%, transparent 60%);
}
.product-card__body { padding: 28px 32px; }
.product-card__body--cta {
  padding: 48px;
  background: radial-gradient(ellipse at 70% 50%, rgba(240,92,0,0.08) 0%, transparent 70%);
}
.product-card__tag {
  display: inline-block;
  background: rgba(240,92,0,0.15);
  color: var(--fire-orange);
  border: 1px solid rgba(240,92,0,0.3);
  border-radius: 4px;
  padding: 3px 12px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.product-card__body h3 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 10px;
}
.product-card__body p { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.6; margin-bottom: 20px; }
.product-card__cta-row { display: flex; gap: 16px; flex-wrap: wrap; }

/* ---- WHY ---- */
.why { background: var(--graphite-mid); }
.why__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.why__lead { font-size: 1.05rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 32px; }
.why__list { display: flex; flex-direction: column; gap: 20px; margin-bottom: 40px; }
.why__list li { display: flex; gap: 16px; align-items: flex-start; }
.why__check {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--grad-fire);
  border-radius: 50%;
  font-size: 0.75rem;
  color: #fff;
  flex-shrink: 0;
  margin-top: 2px;
  font-weight: 700;
}
.why__list li div { display: flex; flex-direction: column; gap: 2px; }
.why__list li strong { color: var(--white); font-size: 1rem; }
.why__list li span { color: var(--text-secondary); font-size: 0.9rem; }
.why__visual { position: relative; }
.why__img-stack { position: relative; }
.why__img { border-radius: var(--radius-lg); object-fit: cover; }
.why__img--top { width: 100%; height: 260px; }
.why__img--bottom { width: 75%; height: 200px; margin-top: -40px; margin-left: auto; border: 4px solid var(--graphite-mid); position: relative; z-index: 2; }
.why__badge-float {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background: var(--grad-fire);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: var(--shadow-fire);
}
.why__badge-num { font-family: 'Barlow Condensed', sans-serif; font-size: 2rem; font-weight: 900; line-height: 1; }
.why__badge-float span:last-child { font-size: 0.75rem; font-weight: 600; text-align: center; opacity: 0.9; }

/* ---- CREDIBILITY ---- */
.credibility { background: var(--graphite-dark); }
.stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 64px; }
.stat-card {
  background: var(--grad-metal);
  border: 1px solid var(--graphite-border-light);
  border-radius: var(--radius-lg);
  padding: 36px 24px;
  text-align: center;
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), border-color 0.3s, box-shadow 0.4s;
  box-shadow: var(--shadow-card);
}
.stat-card:hover { transform: translateY(-4px); border-color: rgba(240,92,0,0.35); }
.stat-card__icon { display: block; font-size: 2.5rem; margin-bottom: 12px; }
.stat-card__num {
  display: block;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 2rem;
  font-weight: 900;
  color: var(--white);
  background: var(--grad-fire);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}
.stat-card__label { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.5; }
.testimonials__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonial-card {
  background: var(--grad-metal);
  border: 1px solid var(--graphite-border-light);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), border-color 0.3s, box-shadow 0.4s;
  box-shadow: var(--shadow-card);
}
.testimonial-card:hover { transform: translateY(-4px); border-color: rgba(240,92,0,0.3); }
.testimonial-card__stars { color: var(--fire-amber); font-size: 1.1rem; margin-bottom: 16px; letter-spacing: 2px; }
.testimonial-card p { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.65; margin-bottom: 24px; font-style: italic; }
.testimonial-card__author { display: flex; align-items: center; gap: 14px; }
.testimonial-card__avatar {
  width: 44px; height: 44px;
  background: var(--grad-fire);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.2rem;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
}
.testimonial-card__author strong { display: block; color: var(--white); font-size: 0.95rem; }
.testimonial-card__author span { font-size: 0.8rem; color: var(--text-secondary); }

/* ---- HOW IT WORKS ---- */
.how-it-works { background: var(--graphite-mid); }
.steps__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-bottom: 56px; }
.step-card {
  background: var(--graphite-light);
  border: 1px solid var(--graphite-border);
  border-right: none;
  padding: 40px 28px;
  position: relative;
  transition: background 0.3s;
}
.step-card:first-child { border-radius: var(--radius-lg) 0 0 var(--radius-lg); }
.step-card:last-child { border-radius: 0 var(--radius-lg) var(--radius-lg) 0; border-right: 1px solid var(--graphite-border); }
.step-card:hover { background: rgba(36,36,36,0.9); }
.step-card__num {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 4rem;
  font-weight: 900;
  line-height: 1;
  background: var(--grad-fire);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.5;
  margin-bottom: 16px;
}
.step-card__icon { width: 40px; height: 40px; color: var(--fire-orange); margin-bottom: 16px; }
.step-card h3 { font-family: 'Barlow Condensed', sans-serif; font-size: 1.2rem; font-weight: 800; color: var(--white); margin-bottom: 10px; }
.step-card p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; }
.step-card__connector {
  position: absolute;
  right: -20px;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  background: var(--grad-fire);
  border-radius: 50%;
  z-index: 2;
  display: flex; align-items: center; justify-content: center;
}
.step-card__connector::after { content: '›'; color: #fff; font-size: 1.4rem; font-weight: 800; line-height: 1; }
.how-it-works__cta { text-align: center; }

/* ---- CTA FIRE ---- */
.cta-fire {
  position: relative;
  padding: 100px 0;
  overflow: hidden;
}
.cta-fire__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #1a0800 0%, #2d0f00 40%, #1a0800 100%);
  z-index: 0;
}
.cta-fire__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Crect width='60' height='60' fill='none'/%3E%3Cpath d='M30 0L60 30L30 60L0 30Z' stroke='rgba(240,92,0,0.06)' fill='none' stroke-width='1'/%3E%3C/svg%3E") repeat;
  opacity: 0.5;
}
.cta-fire__bg::after {
  content: '';
  position: absolute;
  top: -200px; left: -100px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(240,92,0,0.2) 0%, transparent 70%);
  border-radius: 50%;
}
.cta-fire__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 64px;
  align-items: center;
}
.cta-fire__eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--fire-orange);
  margin-bottom: 20px;
}
.cta-fire__title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 20px;
  text-transform: uppercase;
}
.cta-fire__title span {
  background: var(--grad-fire);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.cta-fire__sub { font-size: 1.05rem; color: rgba(224,224,224,0.8); max-width: 540px; line-height: 1.65; margin-bottom: 36px; }
.cta-fire__actions { margin-bottom: 20px; }
.cta-fire__note { font-size: 0.85rem; color: rgba(224,224,224,0.5); }
.cta-fire__visual { flex-shrink: 0; }
.cta-fire__logo {
  width: 200px;
  height: 200px;
  object-fit: cover;
  border-radius: 50%;
  border: 4px solid rgba(240,92,0,0.4);
  box-shadow: 0 0 60px rgba(240,92,0,0.3), 0 0 120px rgba(240,92,0,0.1);
  animation: glow-logo 3s ease-in-out infinite;
}
@keyframes glow-logo {
  0%, 100% { box-shadow: 0 0 60px rgba(240,92,0,0.3), 0 0 120px rgba(240,92,0,0.1); }
  50% { box-shadow: 0 0 80px rgba(240,92,0,0.5), 0 0 160px rgba(240,92,0,0.2); }
}

/* ---- FAQ ---- */
.faq { background: var(--graphite-dark); }
.faq__list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--graphite-light); border: 1px solid var(--graphite-border); border-radius: var(--radius); overflow: hidden; transition: border-color 0.25s; }
.faq-item.open { border-color: rgba(240,92,0,0.4); }
.faq-item__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 28px;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  transition: color 0.2s, background 0.2s;
}
.faq-item__question:hover { background: rgba(255,255,255,0.03); color: var(--fire-orange); }
.faq-item.open .faq-item__question { color: var(--fire-orange); }
.faq-item__icon { width: 20px; height: 20px; flex-shrink: 0; color: var(--steel); transition: transform 0.3s, color 0.2s; }
.faq-item.open .faq-item__icon { transform: rotate(180deg); color: var(--fire-orange); }
.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-item.open .faq-item__answer { max-height: 300px; }
.faq-item__answer p { padding: 0 28px 22px; font-size: 0.95rem; color: var(--text-secondary); line-height: 1.7; }

/* ---- FOOTER ---- */
.footer { background: var(--graphite-mid); }
.footer__top { padding: 72px 0; border-bottom: 1px solid var(--graphite-border); }
.footer__top-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: flex-start; }
.footer__brand { display: flex; gap: 24px; align-items: flex-start; }
.footer__logo { width: 80px; height: 80px; object-fit: cover; border-radius: 50%; border: 2px solid rgba(240,92,0,0.4); flex-shrink: 0; }
.footer__name { display: block; font-family: 'Barlow Condensed', sans-serif; font-size: 1.1rem; font-weight: 800; color: var(--white); letter-spacing: 0.05em; margin-bottom: 10px; }
.footer__tagline { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.6; margin-bottom: 20px; max-width: 340px; }
.footer__links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.footer__col h4 { font-family: 'Barlow Condensed', sans-serif; font-size: 1rem; font-weight: 800; color: var(--white); letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 16px; }
.footer__col a, .footer__col span {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.88rem; color: var(--text-secondary);
  margin-bottom: 10px;
  transition: color 0.2s;
}
.footer__col a:hover { color: var(--fire-orange); }
.footer__bottom { padding: 24px 0; }
.footer__bottom-inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.footer__bottom p { font-size: 0.82rem; color: var(--steel); }

/* ---- METAL TEXTURE OVERLAY ---- */
.benefits, .how-it-works {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='4' height='4'%3E%3Crect width='4' height='4' fill='%23181818'/%3E%3Crect x='0' y='0' width='1' height='4' fill='rgba(255,255,255,0.015)'/%3E%3C/svg%3E");
}

/* ---- SCROLL ANIMATIONS ---- */
.benefit-card, .product-card, .stat-card, .testimonial-card, .step-card, .faq-item {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease, border-color 0.3s, box-shadow 0.3s;
}
.benefit-card.visible, .product-card.visible, .stat-card.visible,
.testimonial-card.visible, .step-card.visible, .faq-item.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 1024px) {
  .benefits__grid { grid-template-columns: repeat(2, 1fr); }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials__grid { grid-template-columns: repeat(2, 1fr); }
  .steps__grid { grid-template-columns: repeat(2, 1fr); }
  .step-card { border-right: 1px solid var(--graphite-border); border-radius: 0; }
  .step-card:first-child { border-radius: var(--radius-lg) 0 0 0; }
  .step-card:nth-child(2) { border-radius: 0 var(--radius-lg) 0 0; }
  .step-card:nth-child(3) { border-radius: 0 0 0 var(--radius-lg); border-top: none; }
  .step-card:last-child { border-radius: 0 0 var(--radius-lg) 0; border-top: none; }
  .step-card__connector { display: none; }
  .why__inner { grid-template-columns: 1fr; gap: 48px; }
  .cta-fire__inner { grid-template-columns: 1fr; }
  .cta-fire__visual { display: none; }
  .footer__top-inner { grid-template-columns: 1fr; gap: 48px; }
}
@media (max-width: 768px) {
  .section-pad { padding: 64px 0; }
  .header__nav { display: none; }
  .header__nav.open { display: flex; flex-direction: column; position: fixed; top: var(--header-h); left: 0; right: 0; background: rgba(13,13,13,0.98); padding: 24px; gap: 8px; border-bottom: 1px solid var(--graphite-border); z-index: 999; }
  .header__nav.open a { padding: 14px 20px; font-size: 1.1rem; border-radius: var(--radius); }
  .header__burger { display: flex; }
  .header__inner .btn { display: none; }
  .hero__title { font-size: clamp(2.5rem, 10vw, 4rem); }
  .hero__ctas { flex-direction: column; }
  .hero__ctas .btn { justify-content: center; }
  .benefits__grid { grid-template-columns: 1fr; }
  .products__grid { grid-template-columns: 1fr; }
  .testimonials__grid { grid-template-columns: 1fr; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .steps__grid { grid-template-columns: 1fr; }
  .step-card { border-radius: var(--radius) !important; border-right: 1px solid var(--graphite-border) !important; border-top: none; }
  .step-card:first-child { border-top: 1px solid var(--graphite-border) !important; }
  .footer__links { grid-template-columns: repeat(2, 1fr); }
  .footer__brand { flex-direction: column; }
  .footer__bottom-inner { flex-direction: column; text-align: center; }
  .whatsapp-float span { display: none; }
  .whatsapp-float { padding: 14px; border-radius: 50%; }
  .why__img--bottom { width: 100%; margin-top: 16px; }
  .why__badge-float { bottom: -10px; left: 10px; }
}
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero__badges { gap: 10px; }
  .hero__badge-item { font-size: 0.8rem; padding: 8px 12px; }
  .stats__grid { grid-template-columns: 1fr; }
  .footer__links { grid-template-columns: 1fr; }
  .product-card__body, .product-card__body--cta { padding: 20px; }
  .cta-fire__inner { padding: 0 16px; }
}