/* ============================================
   LS GLOBAL TECNOLOGIA - Modern Light Theme
   Inspired by Vercel, Stripe, AWS
   ============================================ */

/* ============================================
   CSS Variables
   ============================================ */
:root {
    /* Colors - Light Theme */
    --color-bg: #ffffff;
    --color-bg-alt: #f8fafc;
    --color-bg-dark: #0f172a;

    /* Primary Colors */
    --color-primary: #6366f1;
    --color-primary-dark: #4f46e5;
    --color-primary-light: #818cf8;

    /* Secondary */
    --color-secondary: #06b6d4;
    --color-accent: #8b5cf6;

    /* Text */
    --color-text: #1e293b;
    --color-text-light: #64748b;
    --color-text-muted: #94a3b8;

    /* Borders */
    --color-border: #e2e8f0;
    --color-border-light: #f1f5f9;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #06b6d4 100%);
    --gradient-dark: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);

    /* WhatsApp */
    --color-whatsapp: #25D366;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Spacing */
    --container-width: 1200px;
    --section-padding: 100px;

    /* Transitions */
    --transition: 0.3s ease;
}

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

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

body {
    font-family: var(--font-family);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul, ol {
    list-style: none;
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, textarea, select {
    font-family: inherit;
    font-size: 1rem;
}

/* ============================================
   Utilities
   ============================================ */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section {
    padding: var(--section-padding) 0;
}

.section-alt {
    background-color: var(--color-bg-alt);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 50px;
    margin-bottom: 16px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
    color: var(--color-text);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

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

.btn-whatsapp:hover {
    background: #20bd5a;
    transform: translateY(-2px);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1rem;
}

.btn svg {
    width: 20px;
    height: 20px;
    transition: var(--transition);
}

.btn:hover svg {
    transform: translateX(4px);
}

/* ============================================
   Header
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 40px;
    width: auto;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 26px;
}

.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-light);
    padding: 8px 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-text);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    padding: 140px 0 100px;
    background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 50px;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--color-text);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 32px;
}

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

.hero-stats {
    display: flex;
    gap: 40px;
}

.stat {
    text-align: left;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-top: 4px;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-illustration {
    width: 100%;
    max-width: 500px;
}

.hero-illustration svg {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(99, 102, 241, 0.15));
}

/* ============================================
   About Section
   ============================================ */
.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
}

.about-content .section-tag {
    margin-bottom: 16px;
}

.about-content .section-title {
    text-align: left;
    margin-bottom: 24px;
}

.about-text {
    font-size: 1.0625rem;
    color: var(--color-text-light);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 32px;
}

.about-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
    color: var(--color-text);
}

.about-features svg {
    color: var(--color-secondary);
    flex-shrink: 0;
}

.about-image {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.about-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 32px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.about-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.card-number {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.card-label {
    font-size: 1rem;
    color: var(--color-text-light);
    margin-top: 8px;
}

/* ============================================
   Services Section
   ============================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 32px;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 12px;
    margin-bottom: 20px;
    color: var(--color-primary);
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: var(--gradient-primary);
    color: #fff;
}

.service-icon svg {
    width: 28px;
    height: 28px;
}

.service-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-text);
}

.service-description {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 20px;
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.service-tags li {
    padding: 4px 12px;
    background: var(--color-bg-alt);
    border-radius: 50px;
    font-size: 0.8125rem;
    color: var(--color-text-light);
}

/* ============================================
   Technologies Section
   ============================================ */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 24px;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 24px 16px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    transition: var(--transition);
}

.tech-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.tech-icon {
    width: 48px;
    height: 48px;
}

.tech-icon svg {
    width: 100%;
    height: 100%;
}

.tech-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text);
}

/* ============================================
   Differentials Section
   ============================================ */
.differentials-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
}

.differential-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition);
}

.differential-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.differential-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 50%;
    margin: 0 auto 20px;
    color: var(--color-primary);
}

.differential-icon svg {
    width: 28px;
    height: 28px;
}

.differential-card h3 {
    font-size: 1.0625rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-text);
}

.differential-card p {
    font-size: 0.875rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ============================================
   Portfolio Section
   ============================================ */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.portfolio-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition);
}

.portfolio-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.portfolio-image {
    background: linear-gradient(135deg, #6366f1 0%, #06b6d4 100%);
    padding: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.portfolio-placeholder {
    width: 80px;
    height: 80px;
    color: rgba(255, 255, 255, 0.9);
}

.portfolio-placeholder svg {
    width: 100%;
    height: 100%;
}

.portfolio-content {
    padding: 28px;
}

.portfolio-category {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--color-primary);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 50px;
    margin-bottom: 12px;
}

.portfolio-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-text);
}

.portfolio-content p {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: 16px;
}

.portfolio-techs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.portfolio-techs span {
    padding: 4px 12px;
    background: var(--color-bg-alt);
    border-radius: 50px;
    font-size: 0.8125rem;
    color: var(--color-text-light);
}

/* ============================================
   Testimonials Section
   ============================================ */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.testimonial-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 32px;
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.testimonial-stars {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
}

.testimonial-stars svg {
    width: 18px;
    height: 18px;
    color: #fbbf24;
}

.testimonial-card blockquote {
    font-size: 1rem;
    color: var(--color-text-light);
    line-height: 1.7;
    font-style: italic;
    margin-bottom: 24px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: #fff;
    font-weight: 600;
    border-radius: 50%;
}

.author-info strong {
    display: block;
    font-size: 0.9375rem;
    color: var(--color-text);
}

.author-info span {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

/* ============================================
   Contact Section
   ============================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: start;
}

.contact-form {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 40px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 16px;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    color: var(--color-text);
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
}

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

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

.contact-form .btn {
    width: 100%;
    margin-top: 8px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

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

.contact-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 12px;
    color: var(--color-primary);
    flex-shrink: 0;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
}

.contact-item strong {
    display: block;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: 4px;
}

.contact-item a,
.contact-item span {
    font-size: 1rem;
    color: var(--color-text);
}

.contact-item a:hover {
    color: var(--color-primary);
}

.contact-info .btn-whatsapp {
    margin-top: 16px;
    width: 100%;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--color-bg-dark);
    color: #fff;
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    display: inline-block;
    margin-bottom: 20px;
}

.footer-logo img {
    height: 40px;
}

.footer-brand p {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    margin-bottom: 24px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: #fff;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--color-primary);
}

.footer-social svg {
    width: 18px;
    height: 18px;
}

.footer-links h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 20px;
}

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

.footer-links a {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer-links a:hover {
    color: #fff;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    margin-top: 2px;
    color: rgba(255, 255, 255, 0.5);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
}

.footer-info p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
}

.footer-legal a:hover {
    color: #fff;
}

/* ============================================
   WhatsApp Floating Button
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-whatsapp);
    color: #fff;
    border-radius: 50%;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition);
    animation: pulse-whatsapp 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
}

@keyframes pulse-whatsapp {
    0%, 100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 4px 30px rgba(37, 211, 102, 0.6);
    }
}

/* ============================================
   Back to Top
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 100px;
    right: 24px;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    color: var(--color-text);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 998;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--gradient-primary);
    color: #fff;
    border-color: transparent;
}

.back-to-top svg {
    width: 20px;
    height: 20px;
}

/* ============================================
   Responsive Design
   ============================================ */

/* Large screens */
@media (max-width: 1200px) {
    .tech-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .differentials-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Tablets */
@media (max-width: 992px) {
    :root {
        --section-padding: 80px;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-image {
        order: -1;
    }

    .hero-illustration {
        max-width: 400px;
    }

    .about-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .about-content .section-title {
        text-align: center;
    }

    .about-features {
        max-width: 400px;
        margin: 32px auto 0;
    }

    .about-image {
        flex-direction: row;
        justify-content: center;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .tech-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .differentials-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile Landscape */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: var(--color-bg);
        flex-direction: column;
        justify-content: center;
        gap: 32px;
        transition: var(--transition);
        z-index: 999;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-link {
        font-size: 1.5rem;
    }

    .nav-toggle {
        display: flex;
        z-index: 1000;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .nav-actions .btn {
        display: none;
    }

    .section-title {
        font-size: 2rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .tech-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .differentials-grid {
        grid-template-columns: 1fr;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-social {
        justify-content: center;
    }

    .footer-contact li {
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

/* Mobile Portrait */
@media (max-width: 480px) {
    :root {
        --section-padding: 60px;
    }

    .hero {
        padding: 120px 0 60px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }

    .stat {
        text-align: center;
    }

    .about-features {
        grid-template-columns: 1fr;
    }

    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-form {
        padding: 24px;
    }

    .whatsapp-float {
        width: 56px;
        height: 56px;
    }

    .whatsapp-float svg {
        width: 28px;
        height: 28px;
    }
}

/* Reduced Motion */
@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;
    }
}

/* ============================================
   Portfolio - Projetos reais / Serviço de TI
   ============================================ */
.portfolio-subtitle {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-text);
    margin: 8px 0 24px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.portfolio-subtitle::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--color-border);
}

.portfolio-grid + .portfolio-subtitle {
    margin-top: 56px;
}

.portfolio-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.portfolio-meta .portfolio-category {
    margin-bottom: 0;
}

.portfolio-platforms {
    display: inline-block;
    padding: 4px 12px;
    background: var(--color-bg-alt);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-light);
}

.portfolio-status {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(6, 182, 212, 0.12);
    color: #0e7490;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.portfolio-features {
    list-style: none;
    margin: 0 0 18px;
    padding: 0;
    display: grid;
    gap: 8px;
}

.portfolio-features li {
    position: relative;
    padding-left: 24px;
    font-size: 0.875rem;
    color: var(--color-text-light);
    line-height: 1.5;
}

.portfolio-features li::before {
    content: "";
    position: absolute;
    left: 6px;
    top: 8px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-primary);
}

.portfolio-link,
.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 18px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition);
}

.portfolio-link:hover,
.service-link:hover {
    gap: 12px;
    opacity: 0.85;
}

/* ============================================
   Gestão de TI (etapas, escopo e CTA)
   ============================================ */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 56px;
}

.step-card {
    position: relative;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 28px 24px 24px;
    transition: var(--transition);
}

.step-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: linear-gradient(135deg, #6366f1 0%, #06b6d4 100%);
    color: #fff;
    font-weight: 700;
    font-size: 0.9375rem;
    margin-bottom: 16px;
}

.step-card h3 {
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 10px;
}

.step-card p {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

.scope-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.scope-item {
    display: flex;
    gap: 12px;
    padding: 20px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 12px;
}

.scope-item svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--color-secondary);
}

.scope-item strong {
    display: block;
    font-size: 0.9375rem;
    color: var(--color-text);
    margin-bottom: 6px;
}

.scope-item span {
    font-size: 0.875rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

.ti-cta {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 32px;
    align-items: center;
    margin-top: 48px;
    padding: 36px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 16px;
}

.ti-cta h3 {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 10px;
}

.ti-cta p {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

.ti-cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}

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

/* ============================================
   Stack completo
   ============================================ */
.stack-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.stack-group {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 24px;
}

.stack-group h4 {
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.stack-group ul {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.stack-group li {
    padding: 4px 12px;
    background: var(--color-bg-alt);
    border-radius: 50px;
    font-size: 0.8125rem;
    color: var(--color-text-light);
}

@media (max-width: 1024px) {
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .scope-grid,
    .stack-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .ti-cta {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .steps-grid,
    .scope-grid,
    .stack-grid {
        grid-template-columns: 1fr;
    }
}

/* Endereço da empresa no rodapé */
.footer-address {
    font-style: normal;
    font-size: 0.875rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.7);
}

.footer-address strong {
    color: #fff;
    font-weight: 600;
}

.footer-info p {
    margin: 0;
}

/* Menu com 8 itens: aperta um pouco em telas médias */
@media (max-width: 1260px) and (min-width: 769px) {
    .nav-menu {
        gap: 20px;
    }

    .nav-link {
        font-size: 0.875rem;
    }

    .nav-actions .btn {
        padding-left: 16px;
        padding-right: 16px;
        font-size: 0.875rem;
    }
}

/* Experiência e indicações (automação predial) */
.refs-intro {
    margin: -8px 0 20px;
    font-size: 0.9375rem;
    color: var(--color-text-light);
}

.refs-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.ref-item {
    display: flex;
    gap: 12px;
    padding: 18px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    transition: var(--transition);
}

.ref-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.ref-item svg {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
    color: var(--color-primary);
}

.ref-item strong {
    display: block;
    font-size: 0.875rem;
    line-height: 1.4;
    color: var(--color-text);
    margin-bottom: 4px;
}

.ref-item span {
    font-size: 0.8125rem;
    color: var(--color-text-light);
}

.refs-nota {
    margin-top: 20px;
    font-size: 0.875rem;
    color: var(--color-text-light);
}

@media (max-width: 1024px) {
    .refs-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .refs-grid {
        grid-template-columns: 1fr;
    }
}

/* Aviso de retorno do formulário de contato */
.form-aviso {
    margin-top: 14px;
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 0.875rem;
    line-height: 1.6;
}

.form-aviso--ok {
    background: rgba(34, 197, 94, 0.1);
    color: #15803d;
}

.form-aviso--erro {
    background: rgba(239, 68, 68, 0.1);
    color: #b91c1c;
}

/* Link da seção da home para a página completa */
.secao-link {
    margin-top: 36px;
    text-align: center;
}

.secao-link a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-primary);
    transition: var(--transition);
}

.secao-link a:hover {
    gap: 12px;
}

/* Home: as quatro frentes em 2 x 2 no desktop */
@media (min-width: 769px) {
    .areas-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Home: resumo do "Sobre" — menos respiro vertical */
#sobre-resumo {
    padding: 80px 0;
}

#sobre-resumo .section-header {
    margin-bottom: 40px;
}

#sobre-resumo .hero-stats {
    gap: 56px;
}

#sobre-resumo .secao-link {
    margin-top: 28px;
}

/* Home: três projetos em destaque — 3 colunas no desktop, 2 no tablet */
@media (min-width: 1025px) {
    .destaques-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }

    .destaques-grid .portfolio-content {
        padding: 24px;
    }

    .destaques-grid .portfolio-content h3 {
        font-size: 1.125rem;
    }

    .destaques-grid .portfolio-image {
        padding: 40px;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .destaques-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Bloco de páginas relacionadas */
.veja-tambem-bloco {
    max-width: 820px;
    margin: 0 auto;
}

.veja-tambem-bloco h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 16px;
}

.veja-tambem-bloco ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 10px 20px;
}

.veja-tambem-bloco a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-primary);
}