/* ═══════════════════════════════════════════════════
   DT RIO — Landing Page v2
   Premium dark theme with glassmorphism & animations
   ═══════════════════════════════════════════════════ */

/* ─── Design Tokens ─── */
:root {
    --color-bg:          #06080f;
    --color-bg-elevated: #0c1021;
    --color-bg-card:     #111627;
    --color-bg-glass:    rgba(17, 22, 39, 0.6);
    --color-surface:     rgba(255, 255, 255, 0.03);
    --color-border:      rgba(255, 255, 255, 0.06);
    --color-border-hover:rgba(255, 255, 255, 0.12);

    --color-primary:     #6366f1;
    --color-primary-light:#818cf8;
    --color-primary-glow: rgba(99, 102, 241, 0.25);

    --color-accent:      #06b6d4;
    --color-accent-glow: rgba(6, 182, 212, 0.2);

    --color-green:       #10b981;
    --color-green-glow:  rgba(16, 185, 129, 0.2);

    --color-orange:      #f59e0b;
    --color-orange-glow: rgba(245, 158, 11, 0.2);

    --color-text:        #f1f5f9;
    --color-text-muted:  #94a3b8;
    --color-text-subtle: #64748b;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 9999px;

    --shadow-sm:  0 2px 8px rgba(0,0,0,0.3);
    --shadow-md:  0 8px 24px rgba(0,0,0,0.4);
    --shadow-lg:  0 16px 48px rgba(0,0,0,0.5);
    --shadow-glow: 0 0 60px var(--color-primary-glow);

    --transition-fast:   0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base:   0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow:   0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    overflow-x: hidden;
}

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

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

/* ─── Typography Utilities ─── */
.text-gradient {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-primary-light);
    background: var(--color-primary-glow);
    padding: 6px 18px;
    border-radius: var(--radius-full);
    margin-bottom: 20px;
}

.section-title {
    font-size: clamp(2rem, 4.5vw, 3.2rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    max-width: 680px;
    margin: 0 auto;
    line-height: 1.8;
}

.section-desc strong {
    color: var(--color-text);
}


/* ═══════════════════════════════════════════════════
   NAVBAR
   ═══════════════════════════════════════════════════ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition-base);
}

.navbar.scrolled {
    padding: 12px 0;
    background: rgba(6, 8, 15, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--color-border);
}

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

.nav-logo {
    font-size: 1.6rem;
    font-weight: 900;
    letter-spacing: -0.02em;
    display: flex;
    gap: 4px;
}

.logo-dt {
    color: var(--color-text);
}

.logo-rio {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-muted);
    transition: var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary-light);
    transition: var(--transition-base);
    border-radius: 1px;
}

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

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

.nav-link--cta {
    background: var(--color-primary);
    color: white !important;
    padding: 10px 24px;
    border-radius: var(--radius-full);
    transition: var(--transition-base);
}

.nav-link--cta::after { display: none; }

.nav-link--cta:hover {
    background: var(--color-primary-light);
    transform: translateY(-1px);
    box-shadow: 0 8px 20px var(--color-primary-glow);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

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


/* ═══════════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════════ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transform: scale(1.05);
    animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
    0% { transform: scale(1.05); }
    100% { transform: scale(1.15); }
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: 
        linear-gradient(180deg, 
            rgba(6, 8, 15, 0.7) 0%, 
            rgba(6, 8, 15, 0.5) 40%,
            rgba(6, 8, 15, 0.7) 70%,
            rgba(6, 8, 15, 0.95) 100%
        );
    z-index: 1;
}

.hero-particles {
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--color-primary-light);
    border-radius: 50%;
    opacity: 0;
    animation: particleFloat linear infinite;
}

@keyframes particleFloat {
    0% {
        opacity: 0;
        transform: translateY(0) translateX(0);
    }
    10% { opacity: 0.6; }
    90% { opacity: 0.6; }
    100% {
        opacity: 0;
        transform: translateY(-100vh) translateX(50px);
    }
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    padding: 0 24px;
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-primary-light);
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    padding: 8px 22px;
    border-radius: var(--radius-full);
    margin-bottom: 36px;
    animation: fadeInDown 0.8s ease-out;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-green);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}

.hero-title {
    font-size: clamp(3rem, 8vw, 5.5rem);
    font-weight: 900;
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: 28px;
}

.title-line {
    display: block;
    animation: fadeInUp 0.8s ease-out backwards;
}

.title-line:nth-child(1) { animation-delay: 0.1s; }
.title-line:nth-child(2) { animation-delay: 0.25s; }
.title-line:nth-child(3) { animation-delay: 0.4s; }

.title-gradient {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent), var(--color-green));
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 0.8s ease-out backwards, gradientShift 6s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-muted);
    max-width: 650px;
    margin: 0 auto 44px;
    line-height: 1.8;
    animation: fadeInUp 0.8s 0.5s ease-out backwards;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s 0.65s ease-out backwards;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    animation: fadeInUp 0.8s 1s ease-out backwards;
}

.scroll-indicator {
    width: 26px;
    height: 42px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 13px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.scroll-dot {
    width: 4px;
    height: 10px;
    background: var(--color-primary-light);
    border-radius: 2px;
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(12px); opacity: 0.3; }
}


/* ─── Buttons ─── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 14px 32px;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: var(--transition-base);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: white;
    box-shadow: 0 6px 20px var(--color-primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px var(--color-primary-glow);
}

.btn-primary--green {
    background: linear-gradient(135deg, #059669, var(--color-green));
    box-shadow: 0 6px 20px var(--color-green-glow);
}

.btn-primary--green:hover {
    box-shadow: 0 12px 30px var(--color-green-glow);
}

.btn-primary--orange {
    background: linear-gradient(135deg, #d97706, var(--color-orange));
    box-shadow: 0 6px 20px var(--color-orange-glow);
}

.btn-primary--orange:hover {
    box-shadow: 0 12px 30px var(--color-orange-glow);
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.06);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    backdrop-filter: blur(8px);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-border-hover);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 18px 40px;
    font-size: 1.05rem;
}


/* ═══════════════════════════════════════════════════
   STATS SECTION
   ═══════════════════════════════════════════════════ */
.stats-section {
    padding: 100px 0;
    background: var(--color-bg);
    position: relative;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-primary-glow), transparent);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.stat-card {
    text-align: center;
    padding: 40px 24px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    opacity: 0;
    transition: var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-6px);
    border-color: var(--color-border-hover);
    box-shadow: var(--shadow-md);
}

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

.stat-number {
    font-size: 3.5rem;
    font-weight: 900;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    margin-bottom: 12px;
}

.stat-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
}

.stat-label {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--color-text);
}

.stat-sublabel {
    font-size: 0.8rem;
    color: var(--color-text-subtle);
    font-weight: 400;
}


/* ═══════════════════════════════════════════════════
   HISTORY / TIMELINE
   ═══════════════════════════════════════════════════ */
.history-section {
    padding: 120px 0;
    background: var(--color-bg-elevated);
    position: relative;
}

.history-section::before,
.history-section::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.08;
    pointer-events: none;
}

.history-section::before {
    top: 10%;
    left: -10%;
    background: var(--color-primary);
}

.history-section::after {
    bottom: 10%;
    right: -10%;
    background: var(--color-accent);
}

.timeline {
    position: relative;
    max-width: 700px;
    margin: 0 auto;
}

.timeline-line {
    position: absolute;
    left: 24px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, 
        var(--color-primary) 0%, 
        var(--color-accent) 50%, 
        var(--color-green) 100%
    );
    opacity: 0.3;
}

.timeline-item {
    position: relative;
    padding-left: 70px;
    padding-bottom: 48px;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: 14px;
    top: 8px;
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.marker-dot {
    width: 12px;
    height: 12px;
    background: var(--color-primary);
    border-radius: 50%;
    border: 3px solid var(--color-bg-elevated);
    box-shadow: 0 0 0 2px var(--color-primary);
}

.marker-dot--pulse {
    background: var(--color-green);
    box-shadow: 0 0 0 2px var(--color-green), 0 0 20px var(--color-green-glow);
    animation: markerPulse 2s ease-in-out infinite;
}

@keyframes markerPulse {
    0%, 100% { box-shadow: 0 0 0 2px var(--color-green), 0 0 20px var(--color-green-glow); }
    50% { box-shadow: 0 0 0 4px var(--color-green), 0 0 30px var(--color-green-glow); }
}

.timeline-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 28px;
    transition: var(--transition-base);
}

.timeline-card:hover {
    border-color: var(--color-border-hover);
    transform: translateX(4px);
    box-shadow: var(--shadow-sm);
}

.timeline-card--glow {
    border-color: rgba(16, 185, 129, 0.2);
    background: rgba(16, 185, 129, 0.04);
}

.timeline-card--glow:hover {
    border-color: rgba(16, 185, 129, 0.35);
    box-shadow: 0 8px 32px rgba(16, 185, 129, 0.08);
}

.timeline-year {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-primary-light);
    margin-bottom: 8px;
}

.timeline-item--active .timeline-year {
    color: var(--color-green);
}

.timeline-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--color-text);
}

.timeline-card p {
    font-size: 0.92rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

.timeline-card p strong {
    color: var(--color-text);
}


/* ═══════════════════════════════════════════════════
   PRODUCTS SECTION
   ═══════════════════════════════════════════════════ */
.products-section {
    padding: 120px 0;
    background: var(--color-bg);
}

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

.product-showcase--reverse {
    direction: rtl;
}

.product-showcase--reverse > * {
    direction: ltr;
}

.product-visual {
    position: relative;
}

.product-img-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.product-img {
    width: 100%;
    height: 380px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    transition: var(--transition-slow);
}

.product-img-wrapper:hover .product-img {
    transform: scale(1.03);
}

.product-img-glow {
    position: absolute;
    bottom: -20px;
    left: 10%;
    right: 10%;
    height: 60%;
    background: var(--color-primary);
    filter: blur(60px);
    opacity: 0.15;
    border-radius: 50%;
    pointer-events: none;
    z-index: -1;
}

.product-img-glow--green { background: var(--color-green); }
.product-img-glow--orange { background: var(--color-orange); }

.product-number {
    font-size: 5rem;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.03);
    line-height: 1;
    letter-spacing: -0.05em;
    margin-bottom: -20px;
    position: relative;
    z-index: 0;
}

.product-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-primary-light);
    margin-bottom: 16px;
}

.product-title {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
    color: var(--color-text);
}

.product-headline {
    font-size: 1.1rem;
    color: var(--color-accent);
    font-weight: 500;
    margin-bottom: 16px;
}

.product-desc {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: 24px;
}

.product-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    margin-bottom: 32px;
}

.product-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.product-features li svg {
    color: var(--color-green);
    flex-shrink: 0;
}

.product-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
    margin: 80px 0;
}


/* ═══════════════════════════════════════════════════
   CTA SECTION
   ═══════════════════════════════════════════════════ */
.cta-section {
    padding: 100px 0;
    background: var(--color-bg-elevated);
}

.cta-card {
    position: relative;
    text-align: center;
    padding: 80px 40px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.cta-glow {
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 400px;
    background: radial-gradient(ellipse, var(--color-primary-glow), transparent 70%);
    pointer-events: none;
}

.cta-card h2 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.cta-card p {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto 36px;
    position: relative;
    z-index: 1;
}

.cta-actions {
    position: relative;
    z-index: 1;
}


/* ═══════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════ */
.footer {
    padding: 80px 0 40px;
    background: var(--color-bg-card);
    border-top: 1px solid var(--color-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 60px;
}

.footer-tagline {
    font-size: 1rem;
    color: var(--color-text-muted);
    margin-top: 16px;
    margin-bottom: 24px;
}

.footer-cnpj p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.8;
}

.footer-links-group h4 {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text);
    margin-bottom: 20px;
}

.footer-links-group li {
    margin-bottom: 10px;
}

.footer-links-group a,
.footer-links-group li {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    transition: var(--transition-fast);
}

.footer-links-group a:hover {
    color: var(--color-primary-light);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid var(--color-border);
}

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


/* ═══════════════════════════════════════════════════
   ANIMATIONS
   ═══════════════════════════════════════════════════ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll-triggered animation base */
[data-animate] {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

[data-animate].is-visible {
    opacity: 1;
    transform: translateY(0);
}


/* ═══════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════ */
@media (max-width: 1024px) {
    .product-showcase {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .product-showcase--reverse {
        direction: ltr;
    }

    .product-img {
        height: 300px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
    }
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }

    .stat-card {
        padding: 28px 16px;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: rgba(6, 8, 15, 0.97);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        gap: 28px;
        padding: 40px;
        transition: var(--transition-base);
        border-left: 1px solid var(--color-border);
    }

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

    .nav-toggle {
        display: flex;
        z-index: 1001;
    }

    .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);
    }

    .product-number {
        font-size: 3.5rem;
    }

    .product-title {
        font-size: 1.6rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .cta-card {
        padding: 50px 24px;
    }

    .section-header {
        margin-bottom: 50px;
    }

    .history-section,
    .products-section {
        padding: 80px 0;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

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

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .timeline-item {
        padding-left: 50px;
    }

    .timeline-line {
        left: 14px;
    }

    .timeline-marker {
        left: 4px;
    }
}

/* ═══════════════════════════════════════════════════
   MODAL CONTATO
   ═══════════════════════════════════════════════════ */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-bg-glass);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-box {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px;
    width: 90%;
    max-width: 450px;
    text-align: center;
    position: relative;
    transform: scale(0.95) translateY(20px);
    transition: var(--transition-spring);
    box-shadow: var(--shadow-lg);
}

.modal-overlay.active .modal-box {
    transform: scale(1) translateY(0);
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition-fast);
    padding: 5px;
    line-height: 1;
}

.modal-close:hover {
    color: var(--color-text);
}

.modal-box h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.modal-box p {
    color: var(--color-text-muted);
    margin-bottom: 30px;
}

.modal-options {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

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