/* ============================================
   CHASSE® – EURL PROFIL CONCEPT
   Professional Industrial Corporate CSS
   ============================================ */

:root {
  --navy: #0a1628;
  --navy-mid: #112240;
  --navy-light: #1a3055;
  --steel: #1e3a5f;
  --accent: #c8a84b;
  --accent-light: #e0c070;
  --accent-dark: #a8882e;
  --white: #ffffff;
  --off-white: #f0f4f8;
  --grey-100: #e8edf4;
  --grey-300: #b0bec5;
  --grey-500: #607d8b;
  --grey-700: #37474f;
  --text: #1a2a3a;
  --text-light: #5a7080;
  --success: #2e7d32;
  --error: #c62828;
  --whatsapp: #25d366;

  --font-heading: 'Oswald', sans-serif;
  --font-display: 'Barlow Condensed', sans-serif;
  --font-body: 'Barlow', sans-serif;

  --radius: 4px;
  --radius-lg: 8px;
  --shadow: 0 4px 20px rgba(0,0,0,0.15);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.25);
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background: var(--white);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
address { font-style: normal; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== SCROLL REVEAL ===== */
.reveal, .reveal-right {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s var(--transition), transform 0.7s var(--transition);
}
.reveal-right {
  transform: translateX(40px);
}
.reveal.visible, .reveal-right.visible {
  opacity: 1;
  transform: translate(0);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: var(--navy);
}
.btn-primary:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(200,168,75,0.35);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.5);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
}

.btn-whatsapp {
  background: var(--whatsapp);
  color: var(--white);
}
.btn-whatsapp:hover {
  background: #20b858;
  transform: translateY(-2px);
}

.btn-block {
  width: 100%;
  justify-content: center;
}

.btn-submit {
  width: 100%;
  justify-content: center;
  padding: 16px 28px;
  font-size: 1.05rem;
}

/* ===== SECTION COMMON ===== */
.section-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  border-left: 3px solid var(--accent);
  padding-left: 12px;
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  line-height: 1.15;
  color: var(--navy);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-light);
  max-width: 620px;
  margin-bottom: 56px;
  line-height: 1.7;
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0;
  transition: background 0.4s, box-shadow 0.4s, padding 0.4s;
}

.navbar.scrolled {
  background: rgba(10,22,40,0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 24px rgba(0,0,0,0.3);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-logo img {
  height: 44px;
  width: auto;
}
.logo-fallback {
  display: none;
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.75);
  transition: color 0.2s;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s;
}
.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after { width: 100%; }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-call {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(200,168,75,0.4);
  padding: 8px 16px;
  transition: var(--transition);
}
.nav-call:hover {
  background: var(--accent);
  color: var(--navy);
}

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: var(--transition);
}
.burger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.active span:nth-child(2) { opacity: 0; }
.burger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  background: var(--navy);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 120px 24px 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(200,168,75,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200,168,75,0.05) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-glow {
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60%;
  height: 80%;
  background: radial-gradient(ellipse, rgba(26,48,85,0.8) 0%, transparent 70%);
}

.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  align-items: center;
  gap: 60px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 140px 24px 80px;
  width: 100%;
}

.hero-content {
  grid-column: 1;
  position: relative;
  z-index: 2;
}

.hero-img-wrap {
  grid-column: 2;
  position: relative;
  z-index: 2;
}

.scroll-hint {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.4);
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  animation: bounce 2s infinite;
  justify-self: center;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(200,168,75,0.12);
  border: 1px solid rgba(200,168,75,0.3);
  padding: 6px 16px;
  margin-bottom: 24px;
}

.hero-title {
  margin-bottom: 24px;
  line-height: 1;
}

.hero-brand {
  display: block;
  font-family: var(--font-heading);
  font-size: clamp(4rem, 9vw, 8rem);
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.02em;
  line-height: 0.9;
}
.hero-brand sup {
  font-size: 0.35em;
  color: var(--accent);
  vertical-align: super;
}

.hero-sub {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  font-weight: 300;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.05em;
  margin-top: 12px;
  text-transform: uppercase;
  line-height: 1.4;
}

.hero-desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.65);
  max-width: 480px;
  line-height: 1.7;
  margin-bottom: 36px;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 32px;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 0 28px 0 0;
}
.stat:first-child { padding-left: 0; }

.stat-num {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.45);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.15);
  margin: 0 28px;
  flex-shrink: 0;
}

/* Hero Image */
.hero-img-wrap {
  position: relative;
}

.hero-img-frame {
  position: relative;
  border: 2px solid rgba(200,168,75,0.3);
  overflow: hidden;
  aspect-ratio: 4/3;
}
.hero-img-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.img-placeholder,
.product-img-placeholder {
  display: none;
  position: absolute;
  inset: 0;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
  color: rgba(255,255,255,0.3);
  background: var(--navy-mid);
}
.img-placeholder span,
.product-img-placeholder span {
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.hero-img-frame.img-error img { display: none; }
.hero-img-frame.img-error .img-placeholder { display: flex; }

.hero-img-accent {
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 80%;
  height: 80%;
  border: 2px solid rgba(200,168,75,0.15);
  z-index: -1;
}

/* ===== ABOUT ===== */
.about {
  padding: 100px 0;
  background: var(--white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  margin-top: 8px;
}

.about-text h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 600;
  color: var(--navy);
  line-height: 1.2;
  margin-bottom: 24px;
}

.about-text p {
  color: var(--text-light);
  line-height: 1.75;
  margin-bottom: 16px;
}

.about-text strong { color: var(--navy); }

.about-highlights {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 36px;
}

.highlight {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.highlight-icon {
  width: 44px;
  height: 44px;
  background: var(--navy);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.highlight strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.04em;
  color: var(--navy);
  margin-bottom: 2px;
}
.highlight span {
  font-size: 0.9rem;
  color: var(--text-light);
}

/* About Card */
.about-card {
  background: var(--navy);
  color: var(--white);
  padding: 48px 40px;
  position: relative;
}
.about-card::before {
  content: '';
  position: absolute;
  top: -8px;
  left: -8px;
  right: 8px;
  bottom: 8px;
  border: 2px solid var(--accent);
  z-index: -1;
}

.location-pin {
  color: var(--accent);
  margin-bottom: 20px;
}

.about-card h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 16px;
}

.about-card address {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.8;
  margin-bottom: 28px;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-link-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.65);
  transition: color 0.2s;
  word-break: break-all;
}
.contact-link-item:hover { color: var(--accent); }
.contact-link-item svg { flex-shrink: 0; color: var(--accent); }

/* ===== SPECS ===== */
.specs {
  padding: 100px 0;
  background: var(--off-white);
  position: relative;
  overflow: hidden;
}

.specs-bg {
  position: absolute;
  top: 0;
  right: 0;
  width: 40%;
  height: 100%;
  background: linear-gradient(135deg, rgba(10,22,40,0.03) 0%, transparent 60%);
}

.specs-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: start;
}

.product-img-wrap {
  position: relative;
}
.product-img-wrap img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
}
.product-img-wrap .product-img-placeholder {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
  background: var(--navy-mid);
  color: rgba(255,255,255,0.3);
}
.product-img-wrap img[src="images/product.jpg"] + .product-img-placeholder { display: none; }

.product-badge {
  position: absolute;
  bottom: 20px;
  left: 20px;
  background: var(--accent);
  color: var(--navy);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.08em;
  padding: 8px 18px;
}
.product-badge sup { font-size: 0.5em; vertical-align: super; }

.specs-cards {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.spec-card {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--grey-100);
  transition: var(--transition);
}
.spec-card:last-child { border-bottom: none; }
.spec-card:hover { transform: translateX(8px); }

.spec-icon {
  width: 52px;
  height: 52px;
  background: var(--navy);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.spec-info h4 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 6px;
}

.spec-info p {
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.65;
}

/* ===== VIDEO ===== */
.video-section {
  padding: 100px 0;
  background: var(--navy);
}
.video-section .section-tag { color: var(--accent); }
.video-section .section-title { color: var(--white); }
.video-section .section-subtitle { color: rgba(255,255,255,0.55); }

.video-wrap {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.video-frame {
  position: relative;
  border: 1px solid rgba(200,168,75,0.3);
  overflow: hidden;
  background: var(--navy-mid);
}
.video-frame video {
  width: 100%;
  display: block;
  min-height: 240px;
}

.video-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(10,22,40,0.6);
  gap: 16px;
  cursor: pointer;
  transition: opacity 0.3s;
}
.video-overlay.hidden { opacity: 0; pointer-events: none; }

.play-btn {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--navy);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s, box-shadow 0.3s;
}
.play-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 0 0 12px rgba(200,168,75,0.2);
}

.video-overlay p {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
}

.video-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
}

.video-meta-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.55);
}
.video-meta-item svg { color: var(--accent); flex-shrink: 0; }

/* ===== ADVANTAGES ===== */
.advantages {
  padding: 100px 0;
  background: var(--white);
  position: relative;
  overflow: hidden;
}

.adv-bg {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 40px,
    rgba(10,22,40,0.015) 40px,
    rgba(10,22,40,0.015) 80px
  );
}

.adv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  margin-top: 8px;
  position: relative;
}

.adv-card {
  background: var(--white);
  border: 1px solid var(--grey-100);
  padding: 40px 32px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}
.adv-card:hover {
  background: var(--navy);
  border-color: var(--navy);
}
.adv-card:hover h3 { color: var(--white); }
.adv-card:hover p { color: rgba(255,255,255,0.6); }
.adv-card:hover .adv-icon { color: var(--accent); background: rgba(200,168,75,0.1); }
.adv-card:hover .adv-num { color: rgba(200,168,75,0.2); }

.adv-num {
  font-family: var(--font-heading);
  font-size: 4rem;
  font-weight: 700;
  color: var(--grey-100);
  line-height: 1;
  margin-bottom: 16px;
  transition: color 0.3s;
}

.adv-icon {
  width: 56px;
  height: 56px;
  background: var(--off-white);
  color: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: var(--transition);
}

.adv-card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 12px;
  transition: color 0.3s;
}

.adv-card p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.7;
  transition: color 0.3s;
}

/* ===== CONTACT ===== */
.contact {
  padding: 100px 0;
  background: var(--off-white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: start;
}

.contact-info h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 32px;
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 28px;
}

.info-icon {
  width: 40px;
  height: 40px;
  background: var(--navy);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.info-item strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 4px;
}
.info-item span {
  display: block;
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.6;
}
.info-item a { color: var(--text-light); transition: color 0.2s; }
.info-item a:hover { color: var(--accent); }

.contact-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 40px;
}

/* Form */
.contact-form-wrap {
  background: var(--white);
  padding: 48px 40px;
  box-shadow: 0 2px 32px rgba(10,22,40,0.08);
}

.contact-form { display: flex; flex-direction: column; gap: 0; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 20px;
}
.form-row .form-group { margin-bottom: 0; }

.form-group label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--navy);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 1px solid var(--grey-300);
  background: var(--white);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  border-radius: 0;
  resize: vertical;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(10,22,40,0.08);
}
.form-group input.error,
.form-group select.error,
.form-group textarea.error {
  border-color: var(--error);
}

.form-error {
  font-size: 0.78rem;
  color: var(--error);
  min-height: 16px;
}

.form-success {
  display: none;
  align-items: center;
  gap: 12px;
  background: #e8f5e9;
  color: var(--success);
  padding: 16px 20px;
  font-weight: 500;
  margin-top: 16px;
  font-size: 0.92rem;
}
.form-success.visible { display: flex; }

/* ===== FOOTER ===== */
.footer {
  background: var(--navy);
  color: var(--white);
}

.footer-top {
  padding: 64px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 60px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-logo img { height: 40px; width: auto; }
.footer-logo .logo-fallback {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
}

.footer-brand p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
  margin-bottom: 24px;
}

.footer-social {
  display: flex;
  gap: 12px;
}
.footer-social a {
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.footer-social a:hover {
  background: var(--accent);
  color: var(--navy);
}

.footer-nav-col h4,
.footer-contact-col h4 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.footer-nav-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-nav-col a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.5);
  transition: color 0.2s;
}
.footer-nav-col a:hover { color: var(--white); }

.footer-contact-col {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.footer-contact-item {
  display: block;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.5);
  transition: color 0.2s;
  margin-bottom: 10px;
  word-break: break-all;
}
.footer-contact-item:hover { color: var(--white); }

.footer-whatsapp-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--whatsapp);
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 10px 16px;
  margin-top: 16px;
  transition: var(--transition);
  align-self: flex-start;
}
.footer-whatsapp-btn:hover {
  background: #20b858;
}

.footer-bottom {
  padding: 20px 0;
}
.footer-bottom .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom p {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
}
.footer-bottom sup { font-size: 0.6em; vertical-align: super; }

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  width: 60px;
  height: 60px;
  background: var(--whatsapp);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  transition: transform 0.3s, box-shadow 0.3s;
}
.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37,211,102,0.55);
}

.whatsapp-tooltip {
  position: absolute;
  right: 70px;
  background: var(--navy);
  color: var(--white);
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  white-space: nowrap;
  padding: 6px 12px;
  pointer-events: none;
  opacity: 0;
  transform: translateX(8px);
  transition: opacity 0.3s, transform 0.3s;
}
.whatsapp-float:hover .whatsapp-tooltip {
  opacity: 1;
  transform: translateX(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .hero { grid-template-columns: 1fr; gap: 40px; }
  .hero-img-wrap { grid-column: 1; max-width: 480px; }
  .scroll-hint { grid-column: 1; }
}

@media (max-width: 900px) {
  .about-grid,
  .specs-layout,
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }

  .nav-links { display: none; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--navy);
    z-index: 998;
    align-items: center;
    justify-content: center;
    gap: 40px;
  }
  .nav-links.open a {
    font-size: 1.4rem;
    color: var(--white);
  }

  .burger { display: flex; z-index: 999; }

  .hero { padding: 120px 24px 60px; }
}

@media (max-width: 640px) {
  .adv-grid { grid-template-columns: 1fr; }
  .hero-ctas { flex-direction: column; }
  .hero-stats { flex-wrap: wrap; gap: 16px; }
  .stat-divider { display: none; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 32px 24px; }
  .about-card { padding: 32px 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-bottom .container { flex-direction: column; align-items: flex-start; }
  .hero-brand { font-size: 3.5rem; }
}