/* ===== VARIABLES =====
   Tokens base de marca en tokens.css (carga previa via <link>).
   Aquí sólo tokens semánticos específicos del sitio público (tema oscuro). */
:root {
    --bg:           var(--vlx-bg-dark);
    --bg-2:         #0f2d2d;
    --bg-card:      #142F2F;
    --bg-card-hover:#1a3939;
    --cyan:         var(--vlx-cyan);
    --cyan-dark:    var(--vlx-cyan-dark);
    --cyan-dim:     rgba(0, 212, 204, 0.08);
    --cyan-border:  rgba(0, 212, 204, 0.2);
    --cyan-glow:    0 0 40px rgba(0, 212, 204, 0.12);
    --silver:       var(--vlx-silver);
    --white:        #EFF4F4;
    --text:         #B5C5C5; /* ↑ contraste sobre --bg (antes #99AFAF) */
    --border:       rgba(255, 255, 255, 0.06);
    --shadow:       0 24px 64px rgba(0, 0, 0, 0.5);
    --font:         var(--vlx-font);
    --radius:       12px;
    --radius-lg:    18px;
    --ease:         0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 70px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font);
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: var(--font); }
ul { list-style: none; }

/* ===== UTILITIES ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 28px;
}

.text-cyan { color: var(--cyan); }

.section-label {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--cyan);
    border: 1px solid var(--cyan-border);
    background: var(--cyan-dim);
    padding: 5px 14px;
    border-radius: 100px;
    margin-bottom: 18px;
}

.section-title {
    font-size: clamp(1.9rem, 4vw, 2.9rem);
    font-weight: 800;
    color: var(--white);
    line-height: 1.12;
    letter-spacing: -0.025em;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--silver);
    max-width: 580px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    transition: background var(--ease), box-shadow var(--ease), border-color var(--ease);
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    background: rgba(13, 38, 38, 0.92);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom-color: var(--border);
    box-shadow: 0 4px 32px rgba(0, 0, 0, 0.35);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 28px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand { display: flex; flex-direction: column; gap: 0; line-height: 1; flex-shrink: 0; }

.brand-logo {
    height: 50px;
    width: 185px;
    object-fit: cover;
    object-position: center 42%;
    display: block;
    border-radius: 6px;
}

.brand-name {
    font-size: 1.45rem;
    font-weight: 900;
    color: var(--white);
    letter-spacing: 0.06em;
    line-height: 1;
}

.brand-sub {
    font-size: 0.58rem;
    font-weight: 600;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--cyan);
    margin-top: 2px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link {
    padding: 8px 16px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text);
    border-radius: 8px;
    transition: color var(--ease), background var(--ease);
    white-space: nowrap;
}

.nav-link:hover { color: var(--white); background: var(--cyan-dim); }

.nav-link.nav-cta {
    background: var(--cyan);
    color: #092020;
    font-weight: 700;
    padding: 9px 22px;
    border-radius: 8px;
    transition: background var(--ease), transform var(--ease), box-shadow var(--ease);
}

.nav-link.nav-cta:hover {
    background: var(--cyan-dark);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(0, 212, 204, 0.25);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 6px;
    border-radius: 6px;
    transition: background var(--ease);
}

.hamburger:hover { background: var(--cyan-dim); }

.hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: transform var(--ease), opacity var(--ease);
    transform-origin: center;
}

.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== HERO ===== */
.hero {
    position: relative;
    min-height: 100svh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 120px 28px 80px;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 212, 204, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 204, 0.04) 1px, transparent 1px);
    background-size: 56px 56px;
    animation: gridScroll 30s linear infinite;
    will-change: transform;
}

@keyframes gridScroll {
    0%   { transform: translate(0, 0); }
    100% { transform: translate(56px, 56px); }
}

.hero-glow {
    position: absolute;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(0, 212, 204, 0.1) 0%, transparent 65%);
    top: 50%;
    right: -150px;
    transform: translateY(-50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    max-width: 760px;
    text-align: center;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--cyan);
    border: 1px solid var(--cyan-border);
    background: var(--cyan-dim);
    padding: 7px 18px;
    border-radius: 100px;
    margin-bottom: 30px;
}

.hero-title {
    font-size: clamp(2.6rem, 6.5vw, 4.4rem);
    font-weight: 900;
    color: var(--white);
    line-height: 1.08;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
}

.hero-desc {
    font-size: 1.15rem;
    color: var(--silver);
    max-width: 560px;
    margin: 0 auto 44px;
    line-height: 1.75;
}

.hero-actions {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== BUTTONS ===== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    background: var(--cyan);
    color: #092020;
    font-weight: 700;
    font-size: 0.98rem;
    padding: 15px 34px;
    border-radius: 10px;
    transition: background var(--ease), transform var(--ease), box-shadow var(--ease);
    white-space: nowrap;
}

.btn-primary:hover {
    background: var(--cyan-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(0, 212, 204, 0.3);
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    color: var(--white);
    font-weight: 600;
    font-size: 0.98rem;
    padding: 15px 28px;
    border-radius: 10px;
    border: 1px solid var(--border);
    transition: border-color var(--ease), color var(--ease), background var(--ease);
    white-space: nowrap;
}

.btn-ghost:hover {
    border-color: var(--cyan-border);
    color: var(--cyan);
    background: var(--cyan-dim);
}

/* ===== STATS BAR ===== */
.stats-bar {
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 32px 0;
}

.stats-grid {
    display: flex;
    align-items: center;
    justify-content: space-around;
    gap: 20px;
    flex-wrap: wrap;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 5px;
}

.stat strong {
    font-size: 2.2rem;
    font-weight: 900;
    color: var(--cyan);
    line-height: 1;
    letter-spacing: -0.02em;
}

.stat > span {
    font-size: 0.77rem;
    font-weight: 600;
    color: #B5C0C5;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.stat-divider {
    width: 1px;
    height: 44px;
    background: var(--border);
    flex-shrink: 0;
}

/* ===== LEAD / DEFINICIÓN GEO ===== */
.lead-section {
    padding: 70px 0 30px;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
}

.lead-headline {
    font-size: clamp(1.4rem, 2.6vw, 1.95rem);
    font-weight: 800;
    color: var(--white);
    line-height: 1.25;
    letter-spacing: -0.015em;
    max-width: 900px;
    margin: 0 auto 18px;
    text-align: center;
}

.lead-body {
    font-size: 1.02rem;
    color: var(--text);
    line-height: 1.75;
    max-width: 820px;
    margin: 0 auto;
    text-align: center;
}

.lead-body strong { color: var(--white); font-weight: 600; }

/* ===== NOSOTROS ===== */
.nosotros { padding: 110px 0; }

.nosotros-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.section-text {
    font-size: 1rem;
    color: var(--text);
    line-height: 1.8;
    margin-bottom: 18px;
}

.features {
    margin-top: 36px;
    display: flex;
    flex-direction: column;
    gap: 22px;
}

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

.feature-icon {
    width: 42px; height: 42px;
    border-radius: 10px;
    background: var(--cyan-dim);
    border: 1px solid var(--cyan-border);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    color: var(--cyan);
}

.feature h4 { font-size: 0.95rem; font-weight: 700; color: var(--white); margin-bottom: 4px; }
.feature p  { font-size: 0.85rem; color: var(--silver); line-height: 1.5; }

/* Visual side */
.nosotros-visual {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.visual-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: border-color var(--ease), background var(--ease), transform var(--ease), box-shadow var(--ease);
}

.visual-card:hover {
    border-color: var(--cyan-border);
    background: var(--bg-card-hover);
    transform: translateY(-5px);
    box-shadow: var(--cyan-glow);
}

.vc-icon { margin-bottom: 4px; }
.visual-card span { font-weight: 700; color: var(--white); font-size: 0.88rem; }
.visual-card p   { font-size: 0.77rem; color: var(--silver); }

/* ===== PRODUCTOS ===== */
.productos {
    padding: 110px 0;
    background: var(--bg-2);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.section-header { text-align: center; margin-bottom: 64px; }

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 34px 28px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: border-color var(--ease), background var(--ease), transform 0.35s cubic-bezier(0.4,0,0.2,1), box-shadow 0.35s ease;
}

.product-card:hover {
    border-color: var(--cyan-border);
    background: var(--bg-card-hover);
    transform: translateY(-7px);
    box-shadow: var(--shadow), var(--cyan-glow);
}

.product-icon {
    width: 66px; height: 66px;
    background: var(--cyan-dim);
    border: 1px solid var(--cyan-border);
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 6px;
    transition: background var(--ease), box-shadow var(--ease);
}

.product-card:hover .product-icon {
    background: rgba(0, 212, 204, 0.14);
    box-shadow: 0 0 20px rgba(0, 212, 204, 0.12);
}

/* Product image */
.product-img {
    width: calc(100% + 56px);
    margin: -34px -28px 22px;
    height: 185px;
    overflow: hidden;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    flex-shrink: 0;
    background: var(--bg);
}

.product-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    filter: brightness(0.82) saturate(0.7);
    transition: filter 0.4s ease, transform 0.45s ease;
}

.product-card:hover .product-img img {
    filter: brightness(0.95) saturate(0.9);
    transform: scale(1.04);
}

.product-card h3 {
    font-size: 1.08rem;
    font-weight: 700;
    color: var(--white);
    line-height: 1.3;
}

.product-card p {
    font-size: 0.88rem;
    color: var(--text);
    line-height: 1.72;
    flex: 1;
}

.product-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px 22px;
    margin-top: 12px;
    align-items: center;
}

.product-link {
    display: inline-flex;
    align-items: center;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--cyan);
    transition: letter-spacing var(--ease), color var(--ease);
}

.product-link:hover { letter-spacing: 0.02em; }

.product-link-secondary {
    color: var(--white);
    border-bottom: 1px dashed rgba(255,255,255,0.18);
    padding-bottom: 1px;
}

.product-link-secondary:hover {
    color: var(--cyan);
    border-bottom-color: var(--cyan-border);
}

/* ===== COTIZACIÓN ===== */
.cotizacion { padding: 110px 0; position: relative; }

.cotizacion::before {
    content: '';
    position: absolute;
    top: 0; left: 50%; transform: translateX(-50%);
    width: 60%; max-width: 700px; height: 1px;
    background: linear-gradient(90deg, transparent, var(--cyan-border), transparent);
}

.cotizacion-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 80px;
    align-items: start;
}

.cotizacion-info .section-title { font-size: clamp(1.6rem, 3.5vw, 2.3rem); }
.cotizacion-info > p { font-size: 1rem; color: var(--text); line-height: 1.75; margin-bottom: 36px; }
.cotizacion-info strong { color: var(--white); }

.contact-items { display: flex; flex-direction: column; gap: 14px; }

.contact-item {
    display: flex; gap: 16px; align-items: center;
    padding: 16px 18px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: border-color var(--ease), background var(--ease), transform var(--ease);
}

.contact-item:hover {
    border-color: var(--cyan-border);
    background: var(--bg-card-hover);
    transform: translateX(4px);
}

.ci-icon {
    width: 44px; height: 44px;
    background: var(--cyan-dim);
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    color: var(--cyan);
    flex-shrink: 0;
}

.contact-item strong { display: block; color: var(--white); font-size: 0.88rem; margin-bottom: 2px; }
.contact-item span   { font-size: 0.82rem; color: var(--silver); }

/* Form wrapper */
.cotizacion-form-wrap {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px;
}

.cotizacion-form { display: flex; flex-direction: column; gap: 20px; }

/* Honeypot anti-spam — invisible para humanos, visible para bots */
.hp-field {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }

.form-group label {
    font-size: 0.83rem;
    font-weight: 600;
    color: var(--white);
    letter-spacing: 0.01em;
}

.form-group input,
.form-group textarea {
    background: var(--bg);
    border: 1px solid rgba(255,255,255,0.08);
    color: var(--white);
    font-family: var(--font);
    font-size: 0.9rem;
    padding: 13px 16px;
    border-radius: 9px;
    transition: border-color var(--ease), box-shadow var(--ease);
    outline: none;
    width: 100%;
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--silver); opacity: 0.55; }

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--cyan);
    box-shadow: 0 0 0 3px rgba(0, 212, 204, 0.1);
}

.form-group input.error,
.form-group textarea.error,
.form-group .select-wrap.error select {
    border-color: #e05555;
    box-shadow: 0 0 0 3px rgba(224, 85, 85, 0.1);
}

.form-group textarea { resize: vertical; min-height: 120px; }

/* Custom select */
.select-wrap { position: relative; }

.select-wrap select {
    background: var(--bg);
    border: 1px solid rgba(255,255,255,0.08);
    color: var(--white);
    font-family: var(--font);
    font-size: 0.9rem;
    padding: 13px 40px 13px 16px;
    border-radius: 9px;
    transition: border-color var(--ease), box-shadow var(--ease);
    outline: none;
    width: 100%;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
}

.select-wrap select:focus {
    border-color: var(--cyan);
    box-shadow: 0 0 0 3px rgba(0, 212, 204, 0.1);
}

.select-wrap select option { background: #142F2F; color: var(--white); }

.select-arrow {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--silver);
    pointer-events: none;
}

/* Submit button */
.btn-submit {
    background: var(--cyan);
    color: #092020;
    font-size: 0.98rem;
    font-weight: 700;
    padding: 16px 32px;
    border-radius: 10px;
    width: 100%;
    transition: background var(--ease), transform var(--ease), box-shadow var(--ease);
    position: relative;
    overflow: hidden;
}

.btn-submit:hover:not(:disabled) {
    background: var(--cyan-dark);
    transform: translateY(-1px);
    box-shadow: 0 8px 26px rgba(0, 212, 204, 0.28);
}

.btn-submit:disabled { opacity: 0.65; cursor: not-allowed; transform: none; }

.btn-loader { display: none; }

.form-note {
    font-size: 0.78rem;
    color: #B5C0C5;
    text-align: center;
    line-height: 1.5;
}

.form-error {
    display: none;
    font-size: 0.88rem;
    color: #ffb4b4;
    background: rgba(224, 85, 85, 0.12);
    border: 1px solid rgba(224, 85, 85, 0.35);
    border-radius: 9px;
    padding: 12px 14px;
    text-align: center;
    line-height: 1.5;
}

/* Success state */
.form-success {
    display: none;
    text-align: center;
    padding: 48px 24px;
}

.success-icon {
    width: 76px; height: 76px;
    background: var(--cyan-dim);
    border: 2px solid var(--cyan-border);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 24px;
}

.form-success h3 { color: var(--white); font-size: 1.55rem; font-weight: 800; margin-bottom: 12px; }
.form-success p  { color: var(--text); line-height: 1.7; margin-bottom: 28px; }

/* ===== FOOTER ===== */
.footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    padding: 64px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    padding-bottom: 48px;
}

.footer-brand p {
    font-size: 0.85rem;
    color: var(--silver);
    line-height: 1.75;
    max-width: 270px;
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-col h4 {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--white);
    margin-bottom: 4px;
}

.footer-col a {
    font-size: 0.88rem;
    color: var(--silver);
    transition: color var(--ease);
}

.footer-col a:hover { color: var(--cyan); }

.footer-bottom {
    border-top: 1px solid var(--border);
    padding: 22px 0;
    text-align: center;
}

.footer-bottom p { font-size: 0.8rem; color: var(--silver); }

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 58px; height: 58px;
    background: #25D366;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    z-index: 999;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.45);
    transition: transform var(--ease), box-shadow var(--ease);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 32px rgba(37, 211, 102, 0.55);
}

/* Pulse animation */
.whatsapp-float::after {
    content: '';
    position: absolute;
    width: 100%; height: 100%;
    border-radius: 50%;
    background: rgba(37, 211, 102, 0.3);
    animation: waPulse 2.5s ease-out infinite;
}

@keyframes waPulse {
    0%   { transform: scale(1); opacity: 0.6; }
    100% { transform: scale(1.7); opacity: 0; }
}

/* ===== FADE IN ===== */
.fade-in {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.65s cubic-bezier(0.4,0,0.2,1), transform 0.65s cubic-bezier(0.4,0,0.2,1);
}

.fade-in.visible { opacity: 1; transform: translateY(0); }

/* Stagger children */
.products-grid .product-card.fade-in:nth-child(2) { transition-delay: 0.08s; }
.products-grid .product-card.fade-in:nth-child(3) { transition-delay: 0.16s; }
.products-grid .product-card.fade-in:nth-child(4) { transition-delay: 0.08s; }
.products-grid .product-card.fade-in:nth-child(5) { transition-delay: 0.16s; }
.products-grid .product-card.fade-in:nth-child(6) { transition-delay: 0.24s; }

.features .feature.fade-in:nth-child(2) { transition-delay: 0.1s; }
.features .feature.fade-in:nth-child(3) { transition-delay: 0.2s; }

/* ===== RESPONSIVE ===== */

/* Tablet */
@media (max-width: 1024px) {
    .products-grid    { grid-template-columns: repeat(2, 1fr); }
    .nosotros-grid    { grid-template-columns: 1fr; gap: 60px; }
    .cotizacion-grid  { grid-template-columns: 1fr; gap: 52px; }
    .footer-grid      { grid-template-columns: 1fr 1fr; gap: 40px; }
    .nosotros-right   { display: block; }
    .nosotros-visual  { max-width: 500px; margin: 0 auto; }
}

/* Mobile */
@media (max-width: 768px) {
    .hamburger { display: flex; }

    .nav-menu {
        position: fixed;
        top: 70px; left: 0; right: 0;
        background: rgba(13, 38, 38, 0.97);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        flex-direction: column;
        padding: 20px 24px 28px;
        gap: 6px;
        border-bottom: 1px solid var(--border);
        transform: translateY(-110%);
        opacity: 0;
        pointer-events: none;
        transition: transform var(--ease), opacity var(--ease);
    }

    .nav-menu.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .nav-link { width: 100%; padding: 13px 16px; border-radius: 8px; }
    .nav-link.nav-cta { text-align: center; margin-top: 6px; }

    .hero { padding: 100px 24px 64px; }
    .hero-title { font-size: 2.4rem; }
    .hero-actions { flex-direction: column; align-items: stretch; }
    .hero-actions .btn-primary,
    .hero-actions .btn-ghost { justify-content: center; }

    .stats-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .stat-divider { display: none; }
    .stat { padding: 16px; background: var(--bg); border-radius: 10px; border: 1px solid var(--border); }

    .nosotros-right { display: none; }
    .products-grid  { grid-template-columns: 1fr; }
    .form-row       { grid-template-columns: 1fr; }
    .cotizacion-form-wrap { padding: 28px 24px; }
    .footer-grid    { grid-template-columns: 1fr; gap: 32px; }
    .whatsapp-float { bottom: 20px; right: 20px; width: 52px; height: 52px; }
}

@media (max-width: 480px) {
    .container    { padding: 0 18px; }
    .section-title { font-size: 1.75rem; }
    .hero-title   { font-size: 2rem; }
    .nosotros, .productos, .cotizacion { padding: 80px 0; }
}