/* ==========================================================================
   METALUM PLUS — Design tokens
   Palette: void black base, molten-orange (furnace) + circuit-green (recycling/
   export) + electric-blue (industrial-tech) glow accents.
   Type: Chakra Petch (display, angular/technical) + Manrope (body, clean).
   Signature: animated "current" lines — thin glowing traces that behave like
   molten metal flowing through a circuit, used in the hero and as section
   dividers, tying the foundry and the "futuristic" brief together.
   ========================================================================== */

:root {
    --void: #05070d;
    --void-soft: #0a0f1a;
    --panel: #0d1420;
    --panel-glass: rgba(16, 24, 38, 0.6);
    --panel-glass-light: rgba(255, 255, 255, 0.035);
    --line: rgba(148, 163, 184, 0.14);
    --line-soft: rgba(148, 163, 184, 0.08);

    --electric: #3d8bff;
    --electric-glow: rgba(61, 139, 255, 0.45);
    --molten: #ff6a1f;
    --molten-light: #ffab63;
    --molten-glow: rgba(255, 106, 31, 0.5);
    --circuit: #2be3a3;
    --circuit-glow: rgba(43, 227, 163, 0.45);

    --ash: #a3aec2;
    --ash-dim: #64748b;
    --white: #f4f7fb;

    --font-display: 'Chakra Petch', 'Segoe UI', sans-serif;
    --font-body: 'Manrope', 'Segoe UI', sans-serif;

    --radius: 18px;
    --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    background: var(--void);
    color: var(--ash);
    overflow-x: hidden;
    line-height: 1.7;
}

h1, h2, h3, h4, h5, .font-display {
    font-family: var(--font-display);
    color: var(--white);
    letter-spacing: 0.01em;
}

a { text-decoration: none; }

::selection { background: var(--molten); color: var(--void); }

/* focus visibility for keyboard users */
a:focus-visible, button:focus-visible, .form-control:focus-visible, .form-select:focus-visible {
    outline: 2px solid var(--circuit);
    outline-offset: 3px;
}

/* corner-cut: the recurring "cut metal / circuit-board" motif — used sparingly
   on badges, primary buttons and material tiles only. */
.corner-cut {
    clip-path: polygon(16px 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%, 0 16px);
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--circuit);
}

.eyebrow::before {
    content: '';
    width: 24px;
    height: 2px;
    background: var(--circuit);
    box-shadow: 0 0 8px var(--circuit-glow);
}

/* ==========================================================================
   Ambient noise / grid texture (subtle, technical backdrop)
   ========================================================================== */
.grid-texture {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(148, 163, 184, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148, 163, 184, 0.05) 1px, transparent 1px);
    background-size: 48px 48px;
    -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 75%);
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 75%);
    pointer-events: none;
}

/* ==========================================================================
   Current / flow divider — signature element reused across sections
   ========================================================================== */
.flow-divider {
    position: relative;
    height: 2px;
    width: 100%;
    background: var(--line);
    overflow: hidden;
}

.flow-divider::after {
    content: '';
    position: absolute;
    top: 0; left: -30%;
    width: 30%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--circuit), var(--molten), transparent);
    filter: blur(1px);
    animation: currentFlow 4.5s linear infinite;
}

@keyframes currentFlow {
    0% { left: -30%; }
    100% { left: 100%; }
}

/* ==========================================================================
   Navbar
   ========================================================================== */
.navbar-custom {
    background: rgba(5, 7, 13, 0.65);
    backdrop-filter: blur(18px) saturate(140%);
    -webkit-backdrop-filter: blur(18px) saturate(140%);
    border-bottom: 1px solid var(--line-soft);
    padding: 18px 0;
    transition: all 0.4s var(--ease);
}

.navbar-custom.scrolled {
    background: rgba(5, 7, 13, 0.92);
    padding: 10px 0;
    border-bottom-color: rgba(43, 227, 163, 0.25);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.navbar-brand {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white) !important;
    display: flex;
    align-items: center;
    gap: 12px;
    letter-spacing: 0.03em;
}

.navbar-brand img {
    height: 42px;
    width: auto;
    filter: drop-shadow(0 0 10px rgba(43, 227, 163, 0.35));
}

.nav-link {
    color: var(--ash) !important;
    font-weight: 600;
    font-size: 0.92rem;
    letter-spacing: 0.03em;
    transition: color 0.3s ease;
    position: relative;
    padding: 8px 18px !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0; height: 2px;
    bottom: 2px; left: 50%;
    background: var(--circuit);
    box-shadow: 0 0 8px var(--circuit-glow);
    transition: all 0.35s var(--ease);
    transform: translateX(-50%);
}

.nav-link:hover::after, .nav-link.active::after { width: 60%; }
.nav-link:hover, .nav-link.active { color: var(--white) !important; }

.navbar-toggler { border-color: var(--line); }
.navbar-toggler:focus { box-shadow: 0 0 0 0.2rem rgba(43, 227, 163, 0.25); }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
    min-height: 100vh;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    background: var(--void);
}

.hero-media {
    position: absolute;
    inset: 0;
    background: url('../img/horno.webp') center / cover no-repeat;
    filter: saturate(1.05) contrast(1.05);
}

.hero-media::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 70% 60% at 25% 30%, rgba(255, 106, 31, 0.22), transparent 60%),
        radial-gradient(ellipse 60% 50% at 85% 80%, rgba(43, 227, 163, 0.12), transparent 60%),
        linear-gradient(180deg, rgba(5, 7, 13, 0.75) 0%, rgba(5, 7, 13, 0.88) 55%, var(--void) 100%);
}

.hero-lines {
    position: absolute;
    inset: 0;
    opacity: 0.55;
    pointer-events: none;
}

.hero-lines path {
    fill: none;
    stroke-width: 1.4;
    stroke-dasharray: 6 14;
    animation: traceFlow 30s linear infinite;
}

.hero-lines .trace-molten { stroke: var(--molten); animation-duration: 22s; }
.hero-lines .trace-circuit { stroke: var(--circuit); animation-duration: 34s; animation-direction: reverse; }
.hero-lines .trace-electric { stroke: var(--electric); animation-duration: 40s; }

@keyframes traceFlow {
    to { stroke-dashoffset: -400; }
}

.hero-content { position: relative; z-index: 10; }

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--panel-glass);
    border: 1px solid rgba(43, 227, 163, 0.3);
    color: var(--circuit);
    padding: 10px 22px;
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 28px;
    backdrop-filter: blur(10px);
    animation: fadeInDown 0.9s var(--ease);
}

.hero-badge .pulse-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--circuit);
    box-shadow: 0 0 10px 2px var(--circuit-glow);
    animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}

.hero h1 {
    font-size: clamp(2.4rem, 5.2vw, 4.6rem);
    font-weight: 700;
    line-height: 1.08;
    margin-bottom: 24px;
    animation: fadeInUp 0.9s 0.1s var(--ease) both;
}

.hero h1 .highlight {
    color: var(--molten);
    position: relative;
    text-shadow: 0 0 30px var(--molten-glow);
}

.hero h2 {
    font-family: var(--font-body);
    font-size: clamp(1.05rem, 1.6vw, 1.4rem);
    font-weight: 400;
    color: var(--ash);
    max-width: 640px;
    margin-bottom: 40px;
    animation: fadeInUp 0.9s 0.2s var(--ease) both;
}

.hero-stats {
    display: flex;
    gap: 0;
    margin: 0 0 44px;
    animation: fadeInUp 0.9s 0.3s var(--ease) both;
    background: var(--panel-glass);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    backdrop-filter: blur(14px);
    max-width: 640px;
}

.stat-item {
    text-align: left;
    padding: 24px 28px;
    flex: 1;
    position: relative;
}

.stat-item + .stat-item::before {
    content: '';
    position: absolute;
    left: 0; top: 20%;
    width: 1px; height: 60%;
    background: var(--line);
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--white);
    line-height: 1;
    margin-bottom: 6px;
    text-shadow: 0 0 24px var(--electric-glow);
}

.stat-label {
    color: var(--ash-dim);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(32px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-24px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; animation: fadeInUp 0.9s 0.4s var(--ease) both; }

.btn-hero {
    padding: 17px 38px;
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    border: none;
    transition: all 0.4s var(--ease);
    position: relative;
    display: inline-flex;
    align-items: center;
}

.btn-primary-hero {
    background: linear-gradient(135deg, var(--molten), #ff9142);
    color: var(--void);
    box-shadow: 0 8px 30px rgba(255, 106, 31, 0.35);
}

.btn-primary-hero:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 40px rgba(255, 106, 31, 0.55);
    color: var(--void);
}

.btn-outline-hero {
    background: transparent;
    color: var(--white);
    border: 1.5px solid var(--line);
}

.btn-outline-hero:hover {
    border-color: var(--circuit);
    color: var(--circuit);
    box-shadow: 0 0 24px rgba(43, 227, 163, 0.2);
}

.scroll-cue {
    position: absolute;
    bottom: 36px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--ash-dim);
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    z-index: 10;
}

.scroll-cue::after {
    content: '';
    width: 1px;
    height: 34px;
    background: linear-gradient(180deg, var(--circuit), transparent);
    animation: scrollLine 1.8s ease-in-out infinite;
}

@keyframes scrollLine {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    51% { transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ==========================================================================
   Client Types
   ========================================================================== */
.client-types { background: var(--void-soft); padding: 110px 0 90px; position: relative; }

.client-card {
    background: var(--panel-glass-light);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 42px 32px;
    text-align: left;
    transition: all 0.45s var(--ease);
    height: 100%;
    backdrop-filter: blur(6px);
    position: relative;
    overflow: hidden;
}

.client-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: var(--accent-color, var(--electric));
    opacity: 0;
    transition: opacity 0.4s ease;
    box-shadow: 0 0 16px var(--accent-color, var(--electric));
}

.client-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-color, var(--electric));
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.client-card:hover::before { opacity: 1; }

.client-card.orange { --accent-color: var(--molten); }
.client-card.blue { --accent-color: var(--electric); }
.client-card.green { --accent-color: var(--circuit); }

.client-icon {
    width: 64px; height: 64px;
    margin-bottom: 26px;
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.6rem;
    color: var(--void);
    background: var(--accent-color, var(--electric));
    box-shadow: 0 0 30px -6px var(--accent-color, var(--electric));
    transition: transform 0.4s var(--ease);
}

.client-card:hover .client-icon { transform: scale(1.08) rotate(-6deg); }

.client-card h3 {
    font-size: 1.35rem;
    font-weight: 600;
    margin-bottom: 14px;
}

.client-card p { color: var(--ash); margin-bottom: 26px; font-size: 0.96rem; }

.btn-client {
    padding: 11px 26px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 0.82rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border: 1.5px solid var(--accent-color, var(--electric));
    color: var(--accent-color, var(--electric)) !important;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-client:hover {
    background: var(--accent-color, var(--electric));
    color: var(--void) !important;
    box-shadow: 0 0 24px var(--accent-color, var(--electric));
}

/* ==========================================================================
   Section title (shared)
   ========================================================================== */
.section-title { text-align: center; margin-bottom: 70px; }

.section-title .eyebrow { justify-content: center; margin-bottom: 18px; }

.section-title h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 16px;
}

.section-title p { font-size: 1.08rem; color: var(--ash-dim); max-width: 560px; margin: 0 auto; }

/* ==========================================================================
   Process rail (timeline)
   ========================================================================== */
.services-timeline { background: var(--void); padding: 110px 0; position: relative; }

.rail { position: relative; max-width: 1100px; margin: 0 auto; }

.rail::before {
    content: '';
    position: absolute;
    left: 50%; transform: translateX(-50%);
    width: 2px; height: 100%;
    background: linear-gradient(180deg, var(--molten), var(--electric), var(--circuit));
    opacity: 0.5;
}

.rail-item { display: flex; margin-bottom: 56px; position: relative; }
.rail-item:last-child { margin-bottom: 0; }
.rail-item:nth-child(even) { flex-direction: row-reverse; }

.rail-content {
    width: 46%;
    background: var(--panel-glass-light);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 36px 38px;
    transition: all 0.4s var(--ease);
}

.rail-content:hover {
    border-color: rgba(148, 163, 184, 0.35);
    transform: translateY(-4px);
}

.rail-step {
    font-family: var(--font-display);
    font-size: 0.78rem;
    color: var(--step-color, var(--molten));
    letter-spacing: 0.18em;
    font-weight: 600;
    margin-bottom: 10px;
    display: block;
}

.rail-node {
    position: absolute;
    left: 50%; transform: translateX(-50%);
    width: 60px; height: 60px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem;
    color: var(--void);
    background: var(--step-color, var(--molten));
    box-shadow: 0 0 0 6px var(--void), 0 0 30px -4px var(--step-color, var(--molten));
    z-index: 2;
}

.rail-item:nth-child(1) { --step-color: var(--molten); }
.rail-item:nth-child(2) { --step-color: var(--electric); }
.rail-item:nth-child(3) { --step-color: #a78bfa; }
.rail-item:nth-child(4) { --step-color: var(--circuit); }

.rail-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 14px;
}

.rail-content p { font-size: 0.94rem; margin-bottom: 12px; }
.rail-content p:last-child { margin-bottom: 0; }
.rail-content p strong { color: var(--white); font-weight: 600; }

/* ==========================================================================
   Materials
   ========================================================================== */
.materials-section { background: var(--void-soft); padding: 110px 0; position: relative; overflow: hidden; }

.material-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
    margin-top: 50px;
}

.material-card {
    background: var(--panel-glass-light);
    border: 1px solid var(--line);
    padding: 26px 16px;
    text-align: center;
    transition: all 0.35s var(--ease);
    cursor: default;
}

.material-card:hover {
    background: rgba(43, 227, 163, 0.06);
    border-color: var(--circuit);
    transform: translateY(-6px);
    box-shadow: 0 14px 32px -10px rgba(43, 227, 163, 0.35);
}

.material-icon { font-size: 2.2rem; margin-bottom: 12px; filter: grayscale(0.1); }

.material-card h4 { color: var(--white); font-weight: 600; font-size: 0.92rem; }

/* ==========================================================================
   Products
   ========================================================================== */
.products-section { padding: 110px 0; background: var(--void); }

.product-card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all 0.4s var(--ease);
    height: 100%;
}

.product-card:hover {
    transform: translateY(-10px);
    border-color: rgba(148, 163, 184, 0.3);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
}

.product-image { width: 100%; height: 280px; position: relative; overflow: hidden; background: var(--panel); }
.product-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.product-card:hover .product-image img { transform: scale(1.06); }

.product-image::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(5, 7, 13, 0.85) 100%);
}

.product-badge {
    position: absolute; top: 18px; right: 18px; z-index: 2;
    background: var(--molten);
    color: var(--void);
    padding: 7px 18px;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.product-content { padding: 30px 32px 32px; }
.product-content h3 { font-size: 1.5rem; font-weight: 600; margin-bottom: 12px; }
.product-content > p { font-size: 0.92rem; margin-bottom: 20px; }

.product-specs { list-style: none; margin: 0 0 22px; }

.product-specs li {
    padding: 11px 0;
    border-bottom: 1px solid var(--line-soft);
    display: flex;
    justify-content: space-between;
    color: var(--ash);
    font-size: 0.88rem;
}

.product-specs li:last-child { border-bottom: none; }
.product-specs li strong { color: var(--white); font-weight: 600; }

.btn-block-outline {
    display: block;
    width: 100%;
    text-align: center;
    padding: 14px;
    border: 1.5px solid var(--circuit);
    color: var(--circuit);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.88rem;
    letter-spacing: 0.03em;
    transition: all 0.3s ease;
    background: transparent;
}

.btn-block-outline:hover {
    background: var(--circuit);
    color: var(--void);
    box-shadow: 0 0 30px var(--circuit-glow);
}

/* Scrap-for-sale panel (inside Products) */
.scrap-panel {
    background: linear-gradient(135deg, var(--panel), var(--void-soft));
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 48px 44px;
}

.scrap-panel-intro { max-width: 620px; margin-bottom: 8px; font-size: 0.96rem; }

.scrap-grid { margin-top: 34px; }

.material-card.scrap-item {
    display: block;
    cursor: pointer;
}

.material-card.scrap-item:hover {
    background: rgba(61, 139, 255, 0.07);
    border-color: var(--electric);
    box-shadow: 0 14px 32px -10px rgba(61, 139, 255, 0.35);
}

.scrap-cta { display: inline-block; width: auto; padding-left: 34px; padding-right: 34px; }

/* Maquila strip */
.maquila-panel {
    background: linear-gradient(135deg, var(--panel), var(--void-soft));
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 56px 44px;
    text-align: center;
}

.maquila-panel h3 { font-size: 1.7rem; margin-bottom: 16px; }
.maquila-panel > p { max-width: 640px; margin: 0 auto 40px; }

.maquila-step { padding: 0 12px; }
.maquila-step i { font-size: 2.2rem; color: var(--molten); margin-bottom: 14px; display: block; }
.maquila-step p { color: var(--white); font-size: 0.92rem; font-weight: 600; margin: 0; }

/* ==========================================================================
   Counters
   ========================================================================== */
.counter-section {
    background: var(--void-soft);
    padding: 90px 0;
    border-top: 1px solid var(--line-soft);
    border-bottom: 1px solid var(--line-soft);
}

.counter-box { text-align: center; padding: 20px; position: relative; }

.counter-box + .counter-box::before {
    content: '';
    position: absolute; left: 0; top: 20%;
    width: 1px; height: 60%;
    background: var(--line);
    display: none;
}

@media (min-width: 992px) {
    .counter-box::before {
        content: '';
        position: absolute; left: 0; top: 20%;
        width: 1px; height: 60%;
        background: var(--line);
    }
    .counter-box:first-child::before { display: none; }
}

.counter-box i { font-size: 2.4rem; color: var(--molten); margin-bottom: 18px; display: block; }

.counter-box h3 {
    font-size: 3.2rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
    text-shadow: 0 0 30px var(--molten-glow);
}

.counter-box p {
    color: var(--ash-dim);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-weight: 600;
}

/* ==========================================================================
   CTA
   ========================================================================== */
.cta-section {
    background: linear-gradient(135deg, #ff6a1f, #ff9142);
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute; inset: 0;
    background:
        linear-gradient(rgba(5,7,13,0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(5,7,13,0.06) 1px, transparent 1px);
    background-size: 34px 34px;
}

.cta-section h2 { font-size: clamp(1.9rem, 4vw, 2.9rem); color: var(--void); margin-bottom: 18px; position: relative; }
.cta-section p { font-size: 1.15rem; color: rgba(5,7,13,0.75); margin-bottom: 36px; position: relative; font-weight: 600; }

.btn-cta {
    position: relative;
    padding: 18px 46px;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    background: var(--void);
    color: var(--white);
    border: none;
    transition: all 0.4s var(--ease);
    display: inline-flex;
    align-items: center;
}

.btn-cta:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(5,7,13,0.4); color: var(--circuit); }

/* ==========================================================================
   Contact
   ========================================================================== */
.contact-section { background: var(--void); padding: 110px 0; }

.contact-card {
    background: var(--panel-glass-light);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 38px 32px;
    height: 100%;
    transition: all 0.35s var(--ease);
}

.contact-card:hover { border-color: var(--accent-color, var(--electric)); transform: translateY(-6px); }

.contact-icon {
    width: 56px; height: 56px;
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem;
    color: var(--void);
    background: var(--accent-color, var(--electric));
    margin-bottom: 22px;
    box-shadow: 0 0 26px -4px var(--accent-color, var(--electric));
}

.contact-card h3 { font-size: 1.2rem; margin-bottom: 12px; }
.contact-card p { font-size: 0.92rem; color: var(--ash); }

.map-frame {
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--line);
    filter: grayscale(0.4) invert(0.92) contrast(0.9);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer { background: var(--void-soft); color: var(--ash); padding: 80px 0 30px; border-top: 1px solid var(--line-soft); }

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 18px;
    display: flex; align-items: center; gap: 12px;
}

.footer p.text-white-50 { color: var(--ash-dim) !important; font-size: 0.92rem; }

.footer h5 {
    color: var(--white);
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 22px;
}

.footer ul { list-style: none; padding: 0; }
.footer ul li { margin-bottom: 11px; }

.footer a { color: var(--ash); transition: all 0.25s ease; display: inline-block; font-size: 0.92rem; }
.footer a:hover { color: var(--circuit); padding-left: 6px; }

.social-links a {
    width: 42px; height: 42px;
    background: var(--panel-glass-light);
    border: 1px solid var(--line);
    border-radius: 50%;
    display: inline-flex; align-items: center; justify-content: center;
    margin-right: 12px;
    font-size: 1.15rem;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--circuit);
    border-color: var(--circuit);
    color: var(--void);
    transform: translateY(-4px);
    padding-left: 0;
    box-shadow: 0 0 20px var(--circuit-glow);
}

.footer-bottom {
    border-top: 1px solid var(--line-soft);
    margin-top: 50px;
    padding-top: 26px;
    text-align: center;
    color: var(--ash-dim);
    font-size: 0.85rem;
}

/* ==========================================================================
   Floating WhatsApp button
   ========================================================================== */
.wa-float {
    position: fixed;
    bottom: 28px; right: 28px;
    width: 60px; height: 60px;
    border-radius: 50%;
    background: #25D366;
    color: #05070d;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.7rem;
    z-index: 999;
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.45);
    transition: transform 0.3s var(--ease);
}

.wa-float:hover { transform: scale(1.08); color: #05070d; }

.wa-float::before {
    content: '';
    position: absolute; inset: -6px;
    border-radius: 50%;
    border: 2px solid rgba(37, 211, 102, 0.5);
    animation: waRing 2.2s ease-out infinite;
}

@keyframes waRing {
    0% { transform: scale(0.9); opacity: 0.8; }
    100% { transform: scale(1.6); opacity: 0; }
}

/* ==========================================================================
   Quote modal
   ========================================================================== */
.modal-content.quote-modal {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    color: var(--white);
}

.quote-modal .modal-header { border-bottom: 1px solid var(--line-soft); padding: 26px 30px; }
.quote-modal .modal-title { font-family: var(--font-display); font-weight: 700; }
.quote-modal .modal-body { padding: 30px; }

.quote-modal .form-label {
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: var(--ash-dim);
    margin-bottom: 8px;
}

.quote-modal .form-control, .quote-modal .form-select {
    background: var(--void-soft);
    border: 1px solid var(--line);
    color: var(--white);
    padding: 12px 16px;
    border-radius: 10px;
}

.quote-modal .form-control:focus, .quote-modal .form-select:focus {
    background: var(--void-soft);
    color: var(--white);
    border-color: var(--circuit);
    box-shadow: 0 0 0 3px rgba(43, 227, 163, 0.15);
}

.quote-modal .form-control::placeholder { color: var(--ash-dim); }

.btn-submit-quote {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, var(--circuit), #17b884);
    color: var(--void);
    border: none;
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: 0.03em;
    transition: all 0.3s ease;
    border-radius: 10px;
}

.btn-submit-quote:hover { box-shadow: 0 10px 30px var(--circuit-glow); transform: translateY(-2px); }

.btn-trigger-quote {
    cursor: pointer;
}

/* ==========================================================================
   Scroll reveal
   ========================================================================== */
.fade-in { opacity: 0; transform: translateY(40px); transition: all 0.8s var(--ease); }
.fade-in.visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
    html { scroll-behavior: auto; }
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 992px) {
    .rail::before { left: 28px; }
    .rail-item, .rail-item:nth-child(even) { flex-direction: column !important; }
    .rail-content { width: calc(100% - 90px); margin-left: 90px; }
    .rail-node { left: 28px; transform: translateX(0); }
    .hero-stats { flex-direction: column; }
    .stat-item + .stat-item::before { display: none; }
    .stat-item + .stat-item { border-top: 1px solid var(--line); }
}

@media (max-width: 768px) {
    .hero { min-height: auto; padding: 150px 0 90px; }
    .hero-cta { flex-direction: column; }
    .btn-hero { width: 100%; justify-content: center; }
    .material-grid { grid-template-columns: repeat(2, 1fr); }
    .maquila-step { margin-bottom: 24px; }
    .wa-float { bottom: 20px; right: 20px; width: 54px; height: 54px; font-size: 1.5rem; }
}

@media (max-width: 420px) {
    .material-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .rail-content { padding: 26px 22px; }
}