/* === TUINTANGIBLE STYLES V2 - OPTIMIZADO === */

:root {
    --color-teal: #14b8a6;
    --color-teal-dark: #0d9488;
    --color-teal-light: #5eead4;
    --color-gray-dark: #2d3748;
    --color-gray-medium: #4a5568;
    --color-gray-light: #e2e8f0;
    --color-white: #ffffff;
    --color-bg: #f7fafc;
    --gradient-primary: linear-gradient(135deg, #14b8a6 0%, #0d9488 100%);
    --gradient-text: linear-gradient(135deg, #14b8a6, #0d9488, #14b8a6);
    --shadow-sm: 0 2px 10px rgba(0,0,0,0.05);
    --shadow-md: 0 10px 30px rgba(0,0,0,0.1);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.15);
    --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; line-height: 1.6; color: var(--color-gray-dark); background: var(--color-bg); overflow-x: hidden; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* COMPATIBILITY */
@supports not (backdrop-filter: blur(20px)) {
    .header { background: rgba(255,255,255,0.98); }
}

/* PRELOADER */
.preloader { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: var(--color-white); display: flex; align-items: center; justify-content: center; z-index: 9999; transition: opacity 0.5s, visibility 0.5s; pointer-events: none; }
.preloader.hidden { opacity: 0; visibility: hidden; }
.loader { text-align: center; }
.logo-loader { font-size: 48px; font-weight: bold; margin-bottom: 20px; animation: pulse 1.5s ease-in-out infinite; }
.loading-bar { width: 200px; height: 4px; background: var(--color-gray-light); border-radius: 10px; overflow: hidden; position: relative; }
.loading-bar::after { content: ''; position: absolute; top: 0; left: -50%; width: 50%; height: 100%; background: var(--gradient-primary); animation: loading 1.5s ease-in-out infinite; }

@keyframes loading { 0%, 100% { left: -50%; } 50% { left: 100%; } }
@keyframes pulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.05); } }

/* HEADER */
.header { position: fixed; top: 0; width: 100%; background: rgba(255,255,255,0.95); backdrop-filter: blur(20px); box-shadow: var(--shadow-sm); z-index: 1000; transition: var(--transition); }
.header.scrolled { box-shadow: var(--shadow-md); }
.nav-content { display: flex; justify-content: space-between; align-items: center; height: 80px; }
.logo { font-size: 32px; font-weight: bold; cursor: pointer; transition: var(--transition); }
.logo:hover { transform: scale(1.05); }
.logo-tu { color: var(--color-teal); }
.logo-intangible { color: var(--color-gray-dark); }
.nav-links { display: flex; align-items: center; gap: 35px; }
.nav-links a { text-decoration: none; color: var(--color-gray-medium); font-weight: 500; font-size: 15px; position: relative; transition: var(--transition); }
.nav-links a::after { content: ''; position: absolute; bottom: -5px; left: 0; width: 0; height: 2px; background: var(--gradient-primary); transition: width 0.3s; }
.nav-links a:hover { color: var(--color-teal); }
.nav-links a:hover::after { width: 100%; }

/* BUTTONS */
.btn-primary, .btn-secondary, .btn-nav { padding: 14px 30px; border-radius: 50px; font-weight: 600; font-size: 15px; cursor: pointer; transition: var(--transition); border: none; display: inline-flex; align-items: center; gap: 10px; }
.btn-primary { background: var(--gradient-primary); color: white; box-shadow: 0 4px 15px rgba(20,184,166,0.3); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 25px rgba(20,184,166,0.4); }
.btn-primary:focus { outline: 3px solid var(--color-teal); outline-offset: 2px; }
.btn-pulse { animation: btnPulse 2s infinite; }
@keyframes btnPulse { 0%, 100% { box-shadow: 0 4px 15px rgba(20,184,166,0.3); } 50% { box-shadow: 0 4px 25px rgba(20,184,166,0.6); } }
.btn-secondary { background: transparent; color: var(--color-gray-dark); border: 2px solid var(--color-gray-dark); }
.btn-secondary:hover { background: var(--color-gray-dark); color: white; transform: translateY(-3px); }
.btn-large { padding: 18px 40px; font-size: 16px; }
.menu-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; }
.menu-toggle span { width: 25px; height: 3px; background: var(--color-gray-dark); border-radius: 10px; transition: var(--transition); }

/* HERO */
.hero { min-height: 100vh; display: flex; align-items: center; padding: 120px 20px 80px; position: relative; overflow: hidden; }
.hero-particles { position: absolute; width: 100%; height: 100%; top: 0; left: 0; z-index: 0; will-change: transform; transform: translateZ(0); }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; position: relative; z-index: 1; }
.badge, .section-badge { display: inline-flex; align-items: center; gap: 8px; background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%); color: #047857; padding: 10px 20px; border-radius: 50px; font-size: 14px; font-weight: 600; margin-bottom: 20px; }
.animate-badge { animation: slideInDown 1s ease-out; }
@keyframes slideInDown { from { opacity: 0; transform: translateY(-30px); } to { opacity: 1; transform: translateY(0); } }
.hero-title { font-size: 64px; font-weight: 800; line-height: 1.1; margin-bottom: 25px; }
.typing-text { display: block; color: var(--color-gray-dark); transition: opacity 0.3s; }
.text-highlight, .gradient-text { background: var(--gradient-text); background-size: 200% auto; -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; animation: gradientMove 3s linear infinite; }
@keyframes gradientMove { 0% { background-position: 0% center; } 100% { background-position: 200% center; } }
.hero-description { font-size: 20px; color: var(--color-gray-medium); margin-bottom: 30px; line-height: 1.7; }
.hero-stats-mini { display: flex; gap: 30px; margin-bottom: 35px; }
.stat-mini { display: flex; flex-direction: column; }
.stat-mini strong { font-size: 32px; color: var(--color-teal); font-weight: 800; }
.stat-mini span { font-size: 14px; color: var(--color-gray-medium); }
.hero-buttons { display: flex; gap: 20px; margin-bottom: 40px; flex-wrap: wrap; }
.hero-trust { padding-top: 30px; border-top: 1px solid var(--color-gray-light); }
.trust-badges { display: flex; gap: 20px; align-items: center; opacity: 0.7; }
.trust-badges img { height: 40px; filter: grayscale(100%); transition: var(--transition); }
.trust-badges img:hover { filter: grayscale(0%); opacity: 1; }

/* HERO VISUAL */
.hero-visual { position: relative; height: 500px; }
.floating-card { position: absolute; background: white; padding: 25px; border-radius: 20px; box-shadow: var(--shadow-lg); display: flex; align-items: center; gap: 15px; transition: var(--transition); animation: float 3s ease-in-out infinite; }
.floating-card:hover { transform: translateY(-10px) !important; box-shadow: 0 30px 80px rgba(0,0,0,0.2); }
.card-1 { top: 50px; left: 0; animation-delay: 0s; }
.card-2 { top: 200px; right: 50px; animation-delay: 1s; }
.card-3 { bottom: 50px; left: 50px; animation-delay: 2s; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-20px); } }
.card-icon { width: 50px; height: 50px; background: var(--gradient-primary); border-radius: 12px; display: flex; align-items: center; justify-content: center; color: white; font-size: 24px; }
.floating-card h4 { font-size: 16px; font-weight: 700; margin-bottom: 3px; }
.floating-card p { font-size: 13px; color: var(--color-gray-medium); }
.hero-illustration { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 300px; height: 300px; }
.illustration-circle { position: absolute; border-radius: 50%; border: 2px solid var(--color-teal); opacity: 0.2; animation: rotate 20s linear infinite; }
.circle-1 { width: 100%; height: 100%; }
.circle-2 { width: 80%; height: 80%; top: 10%; left: 10%; animation-direction: reverse; animation-duration: 15s; }
.circle-3 { width: 60%; height: 60%; top: 20%; left: 20%; animation-duration: 10s; }
@keyframes rotate { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
.illustration-center { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 150px; height: 150px; background: var(--gradient-primary); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: white; font-size: 80px; box-shadow: 0 20px 60px rgba(20,184,166,0.5); animation: pulse 2s ease-in-out infinite; }

/* SCROLL INDICATOR */
.scroll-indicator { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 10px; color: var(--color-gray-medium); font-size: 12px; text-transform: uppercase; letter-spacing: 2px; animation: bounce 2s infinite; }
@keyframes bounce { 0%, 100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(-10px); } }
.mouse { width: 25px; height: 40px; border: 2px solid var(--color-gray-medium); border-radius: 15px; position: relative; }
.wheel { width: 4px; height: 8px; background: var(--color-gray-medium); border-radius: 2px; position: absolute; top: 8px; left: 50%; transform: translateX(-50%); animation: scroll 1.5s infinite; }
@keyframes scroll { 0% { top: 8px; opacity: 1; } 100% { top: 24px; opacity: 0; } }

/* STATS SECTION */
.stats-section { padding: 80px 20px; background: var(--color-gray-dark); color: white; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; }
.stat-box { background: rgba(255,255,255,0.05); backdrop-filter: blur(10px); padding: 40px; border-radius: 20px; border: 1px solid rgba(255,255,255,0.1); transition: var(--transition); }
.stat-box:hover { transform: translateY(-10px); background: rgba(255,255,255,0.08); border-color: var(--color-teal); }
.stat-icon { width: 70px; height: 70px; background: rgba(20,184,166,0.2); border-radius: 15px; display: flex; align-items: center; justify-content: center; font-size: 32px; color: var(--color-teal-light); margin-bottom: 20px; }
.stat-number { font-size: 56px; font-weight: 800; color: var(--color-teal-light); margin-bottom: 10px; }
.stat-label { color: #cbd5e0; font-size: 16px; }
.stat-progress { margin-top: 15px; height: 6px; background: rgba(255,255,255,0.1); border-radius: 10px; overflow: hidden; }
.progress-bar { height: 100%; background: var(--gradient-primary); border-radius: 10px; transition: width 2s ease-out; }

/* SERVICES */
.services-section { padding: 100px 20px; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-header h2 { font-size: 56px; font-weight: 800; margin-bottom: 20px; }
.section-header p { font-size: 20px; color: var(--color-gray-medium); max-width: 700px; margin: 0 auto; }
.services-tabs { display: flex; justify-content: center; gap: 15px; margin-bottom: 60px; flex-wrap: wrap; }
.tab-btn { padding: 15px 30px; background: white; border: 2px solid var(--color-gray-light); border-radius: 50px; font-weight: 600; cursor: pointer; transition: var(--transition); display: flex; align-items: center; gap: 10px; font-size: 15px; }
.tab-btn:hover { border-color: var(--color-teal); transform: translateY(-3px); }
.tab-btn:focus { outline: 3px solid var(--color-teal); outline-offset: 2px; }
.tab-btn.active { background: var(--gradient-primary); color: white; border-color: transparent; box-shadow: 0 8px 20px rgba(20,184,166,0.3); }
.tab-content { display: none; }
.tab-content.active { display: block; animation: fadeIn 0.5s; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.service-showcase { display: grid; grid-template-columns: 1.2fr 1fr; gap: 60px; align-items: center; }
.service-info h3 { font-size: 42px; font-weight: 800; margin-bottom: 20px; }
.service-intro { font-size: 18px; color: var(--color-gray-medium); margin-bottom: 40px; line-height: 1.7; }
.service-features-list { display: flex; flex-direction: column; gap: 25px; margin-bottom: 40px; }
.feature-item-advanced { display: flex; gap: 20px; padding: 20px; background: white; border-radius: 15px; box-shadow: var(--shadow-sm); transition: var(--transition); }
.feature-item-advanced:hover { transform: translateX(10px); box-shadow: var(--shadow-md); }
.feature-icon { width: 60px; height: 60px; min-width: 60px; background: var(--gradient-primary); border-radius: 12px; display: flex; align-items: center; justify-content: center; color: white; font-size: 24px; }
.feature-content h4 { font-size: 18px; font-weight: 700; margin-bottom: 5px; }
.feature-content p { font-size: 14px; color: var(--color-gray-medium); }
.service-pricing { display: flex; justify-content: space-between; align-items: center; padding: 30px; background: linear-gradient(135deg, #f0fdfa 0%, #ccfbf1 100%); border-radius: 20px; border: 2px solid var(--color-teal-light); }
.price-tag { display: flex; flex-direction: column; }
.price-from { font-size: 14px; color: var(--color-gray-medium); }
.price-amount { font-size: 36px; font-weight: 800; color: var(--color-teal-dark); }
.price-period { font-size: 14px; color: var(--color-gray-medium); }
.price-total { margin-top: 8px; font-size: 16px; color: var(--color-gray-dark); }
.price-note { font-size: 12px; color: var(--color-gray-medium); margin-top: 5px; }

/* SERVICE VISUAL */
.visual-mockup { background: white; border-radius: 20px; box-shadow: var(--shadow-lg); overflow: hidden; }
.mockup-header { background: var(--color-gray-dark); padding: 15px 20px; display: flex; gap: 8px; }
.dot { width: 12px; height: 12px; border-radius: 50%; background: var(--color-gray-light); }
.mockup-content { padding: 40px; }
.process-steps { display: flex; flex-direction: column; gap: 20px; }
.step { display: flex; align-items: center; gap: 15px; padding: 20px; background: var(--color-bg); border-radius: 12px; transition: var(--transition); }
.step.completed { background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%); }
.step.completed i { color: #047857; }
.step.active { background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%); }
.step.active i { color: #1e40af; }
.step i { font-size: 24px; }
.lema-examples { display: flex; flex-direction: column; gap: 20px; }
.lema-card { background: white; padding: 30px; border-radius: 15px; box-shadow: var(--shadow-md); text-align: center; }
.lema-card i { font-size: 40px; color: var(--color-teal); margin-bottom: 15px; }
.lema-card p { font-size: 24px; font-weight: 700; margin-bottom: 10px; }
.business-mockup, .patent-visual { background: var(--gradient-primary); padding: 60px; border-radius: 20px; text-align: center; color: white; }
.business-mockup i, .patent-visual i { font-size: 80px; margin-bottom: 20px; }
.business-mockup p, .patent-visual p { font-size: 18px; }

/* PROCESO TIMELINE */
.proceso-section { padding: 100px 20px; background: linear-gradient(180deg, var(--color-bg) 0%, white 100%); }
.timeline { max-width: 900px; margin: 0 auto; position: relative; }
.timeline::before { content: ''; position: absolute; left: 50%; top: 0; bottom: 0; width: 4px; background: var(--gradient-primary); transform: translateX(-50%); }
.timeline-item { position: relative; margin-bottom: 80px; }
.timeline-item:nth-child(odd) .timeline-content { margin-right: 50%; padding-right: 60px; text-align: right; }
.timeline-item:nth-child(even) .timeline-content { margin-left: 50%; padding-left: 60px; }
.timeline-dot { position: absolute; left: 50%; top: 30px; transform: translateX(-50%); width: 30px; height: 30px; background: white; border: 5px solid var(--color-teal); border-radius: 50%; z-index: 2; box-shadow: 0 0 0 8px rgba(20,184,166,0.1); }
.timeline-content { background: white; padding: 35px; border-radius: 20px; box-shadow: var(--shadow-md); transition: var(--transition); }
.timeline-content:hover { transform: scale(1.05); box-shadow: var(--shadow-lg); }
.timeline-icon { width: 70px; height: 70px; background: var(--gradient-primary); border-radius: 15px; display: flex; align-items: center; justify-content: center; color: white; font-size: 32px; margin-bottom: 20px; }
.timeline-item:nth-child(odd) .timeline-icon { margin-left: auto; }
.timeline-content h3 { font-size: 24px; font-weight: 700; margin-bottom: 12px; }
.timeline-content p { color: var(--color-gray-medium); margin-bottom: 15px; line-height: 1.6; }
.timeline-duration { display: inline-block; padding: 8px 16px; background: var(--gradient-primary); color: white; border-radius: 50px; font-size: 13px; font-weight: 600; }

/* MARCAS */
.marcas-section { padding: 100px 20px; background: white; }
.marcas-filter { display: flex; justify-content: center; gap: 15px; margin-bottom: 50px; flex-wrap: wrap; }
.filter-btn { padding: 12px 25px; background: white; border: 2px solid var(--color-gray-light); border-radius: 50px; font-weight: 600; cursor: pointer; transition: var(--transition); display: flex; align-items: center; gap: 8px; }
.filter-btn:hover { border-color: var(--color-teal); transform: translateY(-2px); }
.filter-btn.active { background: var(--gradient-primary); color: white; border-color: transparent; }
.marcas-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 30px; margin-bottom: 60px; }
.marca-item { background: white; padding: 30px; border-radius: 15px; box-shadow: var(--shadow-sm); display: flex; align-items: center; justify-content: center; aspect-ratio: 1; transition: var(--transition); cursor: pointer; }
.marca-item:hover { transform: translateY(-10px); box-shadow: var(--shadow-lg); }
.marca-item img { max-width: 100%; max-height: 100%; object-fit: contain; filter: grayscale(100%); transition: var(--transition); }
.marca-item:hover img { filter: grayscale(0%); }
.marcas-counter { text-align: center; margin-top: 80px; }
.counter-circle { position: relative; width: 200px; height: 200px; margin: 0 auto 30px; }
.circle-progress { transform: rotate(-90deg); }
.circle-progress circle { fill: none; stroke-width: 10; }
.circle-progress circle:first-child { stroke: var(--color-gray-light); }
.circle-progress circle.progress { stroke: url(#gradient); stroke-dasharray: 565; stroke-dashoffset: 0; stroke-linecap: round; animation: progress 2s ease-out forwards; }
@keyframes progress { to { stroke-dashoffset: 100; } }
.counter-content { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); text-align: center; }
.counter-number { display: block; font-size: 48px; font-weight: 800; color: var(--color-teal); }
.counter-label { font-size: 16px; color: var(--color-gray-medium); }

/* TESTIMONIALS */
.testimonials-section { padding: 100px 20px; background: var(--color-bg); }
.testimonials-carousel { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-bottom: 60px; }
.testimonial-card-modern { background: white; border-radius: 20px; padding: 35px; box-shadow: var(--shadow-md); transition: var(--transition); }
.testimonial-card-modern:hover { transform: translateY(-10px); box-shadow: var(--shadow-lg); }
.testimonial-header { display: flex; gap: 20px; margin-bottom: 25px; }
.testimonial-avatar { position: relative; }
.testimonial-avatar img { width: 70px; height: 70px; border-radius: 50%; border: 3px solid var(--color-teal); }
.verified-badge { position: absolute; bottom: -5px; right: -5px; width: 28px; height: 28px; background: var(--color-teal); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: white; font-size: 14px; box-shadow: 0 2px 8px rgba(0,0,0,0.2); }
.testimonial-info h4 { font-size: 18px; font-weight: 700; margin-bottom: 3px; }
.testimonial-info p { font-size: 14px; color: var(--color-gray-medium); margin-bottom: 8px; }
.stars { color: #fbbf24; }
.testimonial-body p { font-style: italic; color: var(--color-gray-medium); line-height: 1.7; margin-bottom: 20px; }
.testimonial-footer { display: flex; justify-content: space-between; padding-top: 20px; border-top: 1px solid var(--color-gray-light); font-size: 13px; color: var(--color-gray-medium); }
.testimonials-stats { display: flex; justify-content: center; gap: 60px; padding: 40px; background: white; border-radius: 20px; box-shadow: var(--shadow-sm); }
.stat-testimonial { text-align: center; }
.stat-testimonial i { font-size: 32px; color: var(--color-teal); margin-bottom: 10px; }
.stat-testimonial strong { display: block; font-size: 36px; font-weight: 800; color: var(--color-gray-dark); margin-bottom: 5px; }
.stat-testimonial span { color: var(--color-gray-medium); }

/* WHY US */
.why-us-section { padding: 100px 20px; }
.why-us-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.intro-text { font-size: 18px; color: var(--color-gray-medium); margin-bottom: 40px; line-height: 1.7; }
.advantages-list { display: flex; flex-direction: column; gap: 30px; margin-bottom: 40px; }
.advantage-item { display: flex; gap: 25px; padding: 30px; background: white; border-radius: 20px; box-shadow: var(--shadow-sm); transition: var(--transition); }
.advantage-item:hover { transform: translateX(10px); box-shadow: var(--shadow-md); }
.advantage-number { width: 60px; height: 60px; min-width: 60px; background: var(--gradient-primary); border-radius: 15px; display: flex; align-items: center; justify-content: center; color: white; font-size: 24px; font-weight: 800; }
.advantage-content h4 { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.advantage-content p { color: var(--color-gray-medium); line-height: 1.6; }
.comparison-card { background: white; padding: 40px; border-radius: 20px; box-shadow: var(--shadow-lg); margin-bottom: 30px; }
.comparison-card h3 { font-size: 24px; font-weight: 700; margin-bottom: 30px; text-align: center; }
.comparison-item { margin-bottom: 25px; }
.comparison-label { display: block; font-weight: 600; margin-bottom: 12px; }
.comparison-bars { display: flex; flex-direction: column; gap: 10px; }
.bar { position: relative; }
.bar span { display: inline-block; font-size: 13px; font-weight: 600; margin-bottom: 5px; color: var(--color-gray-medium); }
.bar-fill { height: 30px; border-radius: 8px; transition: width 1.5s ease-out; }
.bar.ours .bar-fill { background: var(--gradient-primary); }
.bar.others .bar-fill { background: var(--color-gray-light); }
.certifications { background: var(--gradient-primary); padding: 30px; border-radius: 20px; color: white; }
.certifications h4 { text-align: center; margin-bottom: 20px; font-size: 18px; }
.cert-badges { display: flex; justify-content: space-around; gap: 20px; }
.cert-badge { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.cert-badge i { font-size: 32px; }
.cert-badge span { font-size: 12px; font-weight: 600; }

/* FAQ */
.faq-section { padding: 100px 20px; background: white; }
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; margin-bottom: 60px; }
.faq-item { background: var(--color-bg); border-radius: 15px; overflow: hidden; margin-bottom: 20px; transition: var(--transition); }
.faq-item:hover { box-shadow: var(--shadow-md); }
.faq-question { padding: 25px; display: flex; justify-content: space-between; align-items: center; cursor: pointer; transition: var(--transition); }
.faq-question:hover { background: white; }
.faq-question h4 { font-size: 18px; font-weight: 600; }
.faq-question i { color: var(--color-teal); font-size: 20px; transition: var(--transition); }
.faq-item.active .faq-question i { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease-out; }
.faq-item.active .faq-answer { max-height: 300px; }
.faq-answer p { padding: 0 25px 25px; color: var(--color-gray-medium); line-height: 1.7; }
.faq-cta { text-align: center; padding: 60px 40px; background: var(--gradient-primary); border-radius: 20px; color: white; }
.faq-cta h3 { font-size: 32px; margin-bottom: 15px; }
.faq-cta p { font-size: 18px; margin-bottom: 25px; opacity: 0.9; }
.faq-cta .btn-primary { background: white; color: var(--color-teal); }
.faq-cta .btn-primary:hover { transform: scale(1.05); }

/* CONTACT */
.contact-section { padding: 100px 20px; background: linear-gradient(135deg, var(--color-bg) 0%, white 100%); }
.contact-wrapper { display: grid; grid-template-columns: 1fr 1.2fr; gap: 80px; align-items: start; }
.contact-methods { display: flex; flex-direction: column; gap: 25px; margin: 40px 0; }
.contact-method { display: flex; gap: 20px; padding: 25px; background: white; border-radius: 15px; box-shadow: var(--shadow-sm); transition: var(--transition); }
.contact-method:hover { transform: translateX(10px); box-shadow: var(--shadow-md); }
.method-icon { width: 60px; height: 60px; min-width: 60px; background: var(--gradient-primary); border-radius: 12px; display: flex; align-items: center; justify-content: center; color: white; font-size: 24px; }
.method-content h4 { font-size: 16px; font-weight: 700; margin-bottom: 5px; }
.method-content p { font-size: 18px; color: var(--color-teal); font-weight: 600; margin-bottom: 3px; }
.method-content small { font-size: 13px; color: var(--color-gray-medium); }
.social-links { margin-top: 40px; }
.social-links h4 { font-size: 18px; margin-bottom: 20px; }
.social-icons { display: flex; gap: 15px; }
.social-icon { width: 50px; height: 50px; background: white; border-radius: 12px; display: flex; align-items: center; justify-content: center; color: var(--color-gray-dark); font-size: 20px; transition: var(--transition); box-shadow: var(--shadow-sm); }
.social-icon:hover { background: var(--gradient-primary); color: white; transform: translateY(-5px); box-shadow: var(--shadow-md); }

/* FORM */
.contact-form-wrapper { background: white; padding: 50px; border-radius: 20px; box-shadow: var(--shadow-lg); }
.form-header { margin-bottom: 40px; }
.form-header h3 { font-size: 32px; font-weight: 800; margin-bottom: 10px; }
.form-header p { color: var(--color-gray-medium); }
.contact-form-modern { display: flex; flex-direction: column; gap: 25px; }
.form-group label { display: flex; align-items: center; gap: 8px; font-weight: 600; margin-bottom: 10px; color: var(--color-gray-dark); font-size: 14px; }
.form-group label i { color: var(--color-teal); }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 15px 20px; border: 2px solid var(--color-gray-light); border-radius: 12px; font-size: 16px; font-family: inherit; transition: var(--transition); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--color-teal); box-shadow: 0 0 0 4px rgba(20,184,166,0.1); }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-checkbox { display: flex; align-items: start; gap: 10px; }
.form-checkbox input[type="checkbox"] { width: 20px; height: 20px; margin-top: 2px; }
.form-checkbox label { font-size: 14px; color: var(--color-gray-medium); }
.form-checkbox a { color: var(--color-teal); text-decoration: none; }
.btn-submit-modern { padding: 18px 40px; background: var(--gradient-primary); color: white; border: none; border-radius: 12px; font-size: 18px; font-weight: 700; cursor: pointer; display: flex; align-items: center; justify-content: center; gap: 12px; transition: var(--transition); box-shadow: 0 8px 20px rgba(20,184,166,0.3); }
.btn-submit-modern:hover { transform: translateY(-3px); box-shadow: 0 12px 30px rgba(20,184,166,0.4); }
.form-note { text-align: center; font-size: 13px; color: var(--color-gray-medium); display: flex; align-items: center; justify-content: center; gap: 8px; }
.form-note i { color: var(--color-teal); }

/* NEWSLETTER */
.newsletter-section { padding: 80px 20px; }
.newsletter-box { background: var(--gradient-primary); padding: 60px; border-radius: 20px; display: flex; justify-content: space-between; align-items: center; gap: 40px; box-shadow: var(--shadow-lg); }
.newsletter-content { display: flex; align-items: center; gap: 30px; color: white; }
.newsletter-icon { width: 80px; height: 80px; background: rgba(255,255,255,0.2); border-radius: 15px; display: flex; align-items: center; justify-content: center; font-size: 40px; }
.newsletter-text h3 { font-size: 28px; margin-bottom: 8px; }
.newsletter-text p { opacity: 0.9; font-size: 16px; }
.newsletter-form { display: flex; gap: 15px; max-width: 500px; }
.newsletter-form input { flex: 1; padding: 15px 25px; border: 2px solid rgba(255,255,255,0.3); border-radius: 50px; background: rgba(255,255,255,0.1); color: white; font-size: 16px; }
.newsletter-form input::placeholder { color: rgba(255,255,255,0.7); }
.newsletter-form input:focus { outline: none; background: rgba(255,255,255,0.2); border-color: white; }
.newsletter-form button { background: white; color: var(--color-teal); white-space: nowrap; }

/* FOOTER */
.footer { background: var(--color-gray-dark); color: white; }
.footer-main { padding: 80px 20px 40px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr; gap: 40px; }
.footer-about { max-width: 300px; }
.footer-logo { font-size: 32px; font-weight: bold; margin-bottom: 20px; }
.footer-about p { color: #cbd5e0; line-height: 1.7; margin-bottom: 25px; }
.footer-certifications { display: flex; gap: 15px; opacity: 0.7; }
.footer-certifications img { height: 40px; }
.footer-col h4 { font-size: 18px; margin-bottom: 25px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 15px; }
.footer-col ul li a { color: #cbd5e0; text-decoration: none; display: flex; align-items: center; gap: 8px; transition: var(--transition); }
.footer-col ul li a:hover { color: var(--color-teal-light); transform: translateX(5px); }
.footer-col ul li a i { font-size: 12px; }
.footer-contact li { display: flex; gap: 12px; align-items: start; margin-bottom: 15px; color: #cbd5e0; }
.footer-contact i { color: var(--color-teal-light); margin-top: 3px; }
.footer-social { display: flex; gap: 12px; margin-top: 20px; }
.footer-social a { width: 45px; height: 45px; background: rgba(255,255,255,0.1); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: white; transition: var(--transition); }
.footer-social a:hover { background: var(--color-teal); transform: translateY(-5px); }
.footer-bottom { padding: 30px 20px; border-top: 1px solid rgba(255,255,255,0.1); }
.footer-bottom-content { display: flex; justify-content: space-between; color: #cbd5e0; font-size: 14px; }
.footer-bottom-content i { color: #ef4444; margin: 0 3px; }

/* WHATSAPP FLOAT */
.whatsapp-float { position: fixed; bottom: 30px; right: 30px; width: 65px; height: 65px; background: linear-gradient(135deg, #25D366 0%, #128C7E 100%); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: white; font-size: 35px; box-shadow: 0 8px 25px rgba(37,211,102,0.5); z-index: 999; transition: var(--transition); animation: pulse 2s infinite; }
.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 12px 35px rgba(37,211,102,0.6); }
.whatsapp-tooltip { position: absolute; right: 80px; background: var(--color-gray-dark); color: white; padding: 12px 20px; border-radius: 10px; font-size: 14px; white-space: nowrap; opacity: 0; pointer-events: none; transition: var(--transition); }
.whatsapp-float:hover .whatsapp-tooltip { opacity: 1; right: 85px; }

/* SCROLL TOP */
.scroll-top { position: fixed; bottom: 30px; right: 110px; width: 50px; height: 50px; background: var(--gradient-primary); border: none; border-radius: 12px; color: white; font-size: 20px; cursor: pointer; opacity: 0; visibility: hidden; transition: var(--transition); z-index: 998; box-shadow: 0 4px 15px rgba(20,184,166,0.3); }
.scroll-top.visible { opacity: 1; visibility: visible; }
.scroll-top:hover { transform: translateY(-5px); box-shadow: 0 8px 20px rgba(20,184,166,0.4); }

/* REDUCED MOTION */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

/* RESPONSIVE */
@media (max-width: 1200px) {
    .hero-title { font-size: 52px; }
    .service-showcase, .why-us-grid, .contact-wrapper { gap: 50px; }
}

@media (max-width: 968px) {
    .nav-links { display: none; position: fixed; top: 80px; left: 0; right: 0; background: white; flex-direction: column; padding: 30px 20px; box-shadow: var(--shadow-lg); gap: 20px; }
    .nav-links.active { display: flex; }
    .menu-toggle { display: flex; }
    .hero-grid, .stats-grid, .service-showcase, .why-us-grid, .contact-wrapper { grid-template-columns: 1fr; gap: 40px; }
    .hero-title { font-size: 42px; }
    .hero-visual { height: 400px; }
    .timeline::before { left: 30px; }
    .timeline-item:nth-child(odd) .timeline-content, .timeline-item:nth-child(even) .timeline-content { margin: 0; padding-left: 80px; text-align: left; }
    .timeline-dot { left: 30px; }
    .timeline-icon { margin-left: 0 !important; }
    .faq-grid { grid-template-columns: 1fr; }
    .testimonials-carousel { grid-template-columns: 1fr; }
    .newsletter-box { flex-direction: column; text-align: center; }
    .newsletter-content { flex-direction: column; }
    .newsletter-form { width: 100%; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-about { grid-column: 1 / -1; max-width: 100%; }
}

@media (max-width: 640px) {
    .hero-title { font-size: 36px; }
    .hero-buttons { flex-direction: column; }
    .hero-buttons button { width: 100%; }
    .stats-grid { grid-template-columns: 1fr; gap: 20px; }
    .services-tabs { overflow-x: auto; justify-content: flex-start; padding-bottom: 10px; }
    .section-header h2 { font-size: 36px; }
    .form-row { grid-template-columns: 1fr; }
    .contact-form-wrapper { padding: 30px; }
    .newsletter-box { padding: 40px 30px; }
    .newsletter-form { flex-direction: column; }
    .newsletter-form input, .newsletter-form button { width: 100%; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom-content { flex-direction: column; text-align: center; gap: 10px; }
    .whatsapp-float { bottom: 20px; right: 20px; width: 60px; height: 60px; font-size: 30px; }
    .scroll-top { bottom: 20px; right: 95px; }
    .testimonials-stats { flex-direction: column; gap: 30px; }
}