/* ============================================
   ELETRIC ENGENHARIA — Estilos v2.0
   Design Profissional para Landing Page Solar
   ============================================ */

:root {
    --primary-dark: #061e2b;
    --primary: #0d4f6e;
    --primary-light: #1a7a9e;
    --primary-glow: rgba(13,79,110,0.18);
    --secondary: #f39c12;
    --secondary-dark: #e67e22;
    --secondary-light: #f9c74f;
    --accent: #27ae60;
    --text-dark: #0f1923;
    --text-medium: #445566;
    --text-light: #7a8a9a;
    --white: #ffffff;
    --gray-bg: #f5f8fc;
    --gray-border: #e2e8f0;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
    --shadow-md: 0 8px 24px rgba(0,0,0,0.08);
    --shadow-lg: 0 20px 40px rgba(0,0,0,0.12);
    --shadow-glow: 0 8px 32px rgba(243,156,18,0.28);
    --radius: 16px;
    --radius-lg: 22px;
    --radius-xl: 30px;
    --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--white);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

img { max-width: 100%; height: auto; }
a { text-decoration: none; color: inherit; }

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   SCROLL PROGRESS
   ============================================ */
.scroll-progress {
    position: fixed;
    top: 0; left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--secondary), var(--secondary-dark), var(--primary-light));
    z-index: 9999;
    width: 0%;
    transition: width 0.1s linear;
}

/* ============================================
   SCROLL REVEAL
   ============================================ */
.reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible { opacity: 1; transform: translateY(0); }

.reveal-delay-1 { transition-delay: 0.15s; }
.reveal-delay-2 { transition-delay: 0.3s; }
.reveal-delay-3 { transition-delay: 0.45s; }

/* ============================================
   WHATSAPP FLUTUANTE
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: 30px; right: 30px;
    background: linear-gradient(135deg, #25D366, #1da851);
    color: white;
    width: 62px; height: 62px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    box-shadow: 0 4px 20px rgba(37,211,102,0.4);
    z-index: 990;
    transition: var(--transition);
}

.whatsapp-float::before {
    content: '';
    position: absolute;
    inset: -5px;
    border-radius: 50%;
    background: rgba(37,211,102,0.18);
    animation: wp-pulse 2.2s ease-in-out infinite;
}

@keyframes wp-pulse {
    0%, 100% { transform: scale(1); opacity: 0.7; }
    50% { transform: scale(1.25); opacity: 0; }
}

.whatsapp-float:hover { transform: scale(1.1); }

.whatsapp-float .tooltip {
    position: absolute;
    right: 74px;
    background: var(--text-dark);
    color: white;
    padding: 8px 16px;
    border-radius: 40px;
    font-size: 13px;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.whatsapp-float:hover .tooltip { opacity: 1; visibility: visible; }

/* ============================================
   HEADER
   ============================================ */
.header {
    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 rgba(0,0,0,0.07);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

.header.scrolled { box-shadow: var(--shadow-md); }

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 0;
}

.logo h1 {
    font-size: 22px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    letter-spacing: -0.5px;
}

.logo span { color: var(--secondary); }

.logo p {
    font-size: 10px;
    color: var(--text-light);
    letter-spacing: 2.2px;
    font-weight: 500;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    gap: 28px;
    align-items: center;
}

.nav-links a {
    color: var(--text-medium);
    font-weight: 500;
    font-size: 14px;
    transition: var(--transition);
    position: relative;
}

.nav-links a:not(.btn-nav)::after {
    content: '';
    position: absolute;
    bottom: -4px; left: 0;
    width: 0; height: 2px;
    background: var(--secondary);
    border-radius: 2px;
    transition: width 0.3s ease;
}

.nav-links a:not(.btn-nav):hover { color: var(--primary); }
.nav-links a:not(.btn-nav):hover::after { width: 100%; }

.btn-nav {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white) !important;
    padding: 10px 22px;
    border-radius: 40px;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 7px;
    box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-nav:hover {
    background: linear-gradient(135deg, var(--secondary-dark), var(--secondary)) !important;
    box-shadow: var(--shadow-glow) !important;
    transform: translateY(-1px);
}

.btn-nav::after { display: none !important; }

/* Hamburger */
.mobile-menu {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
}

.mobile-menu span {
    display: block;
    width: 24px; height: 2px;
    background: var(--primary);
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-menu.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-menu.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.mobile-menu.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================
   HERO
   ============================================ */
.hero {
    background: linear-gradient(135deg, var(--primary-dark) 0%, #0d3a52 55%, var(--primary) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('https://images.unsplash.com/photo-1509391366360-2e959784a276?w=1600&q=70') center/cover no-repeat;
    opacity: 0.1;
    z-index: 0;
}

.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 25% 60%, rgba(243,156,18,0.08) 0%, transparent 55%),
        radial-gradient(ellipse at 75% 15%, rgba(26,122,154,0.14) 0%, transparent 50%);
    z-index: 0;
    animation: hero-glow 9s ease-in-out infinite alternate;
}

@keyframes hero-glow {
    from { opacity: 0.7; }
    to   { opacity: 1.2; }
}

/* Floating particles */
.hero-particles {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    overflow: hidden;
}

.particle {
    position: absolute;
    border-radius: 50%;
    animation: float-particle linear infinite;
    background: rgba(243,156,18,0.35);
}

.particle:nth-child(1) { width:4px;  height:4px;  left:8%;  top:90%; animation-duration:16s; animation-delay:0s; }
.particle:nth-child(2) { width:6px;  height:6px;  left:22%; top:95%; animation-duration:22s; animation-delay:-6s;  background:rgba(255,255,255,0.15); }
.particle:nth-child(3) { width:3px;  height:3px;  left:45%; top:88%; animation-duration:19s; animation-delay:-9s; }
.particle:nth-child(4) { width:5px;  height:5px;  left:63%; top:93%; animation-duration:26s; animation-delay:-4s;  background:rgba(243,156,18,0.2); }
.particle:nth-child(5) { width:4px;  height:4px;  left:78%; top:85%; animation-duration:23s; animation-delay:-13s; background:rgba(255,255,255,0.12); }
.particle:nth-child(6) { width:7px;  height:7px;  left:38%; top:96%; animation-duration:32s; animation-delay:-8s;  background:rgba(243,156,18,0.15); }
.particle:nth-child(7) { width:3px;  height:3px;  left:91%; top:89%; animation-duration:18s; animation-delay:-3s; }
.particle:nth-child(8) { width:5px;  height:5px;  left:56%; top:91%; animation-duration:28s; animation-delay:-15s; background:rgba(255,255,255,0.1); }

@keyframes float-particle {
    0%   { transform: translateY(0) translateX(0);    opacity: 0; }
    8%   { opacity: 1; }
    92%  { opacity: 1; }
    100% { transform: translateY(-100vh) translateX(30px); opacity: 0; }
}

.hero-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
    padding: 80px 0 110px;
}

.badge-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 28px;
}

.badge {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255,255,255,0.15);
    padding: 6px 14px;
    border-radius: 40px;
    font-size: 13px;
    color: rgba(255,255,255,0.9);
    display: inline-flex;
    align-items: center;
    gap: 7px;
}

.badge-gold {
    background: rgba(243,156,18,0.18);
    border-color: rgba(243,156,18,0.3);
    color: var(--secondary-light);
}

.hero-titulo {
    font-size: 56px;
    font-weight: 900;
    line-height: 1.15;
    color: var(--white);
    margin-bottom: 24px;
    letter-spacing: -1.5px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.highlight-num {
    color: var(--secondary);
    font-size: 68px;
    display: inline-block;
    line-height: 1;
    text-shadow: 0 0 40px rgba(243,156,18,0.4);
    animation: num-pulse 3s ease-in-out infinite;
}

@keyframes num-pulse {
    0%, 100% { text-shadow: 0 0 40px rgba(243,156,18,0.4); }
    50%       { text-shadow: 0 0 60px rgba(243,156,18,0.7); }
}

.hero-sub {
    font-size: 18px;
    color: rgba(255,255,255,0.85);
    margin-bottom: 30px;
    line-height: 1.7;
    max-width: 480px;
}

.hero-sub strong { color: var(--secondary-light); }

.hero-seals {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    margin-bottom: 36px;
}

.seal-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: rgba(255,255,255,0.85);
}

.seal-item i { color: var(--secondary); font-size: 16px; }

.btn-hero {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
    color: white;
    padding: 18px 36px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0.3px;
    box-shadow: var(--shadow-glow);
    transition: var(--transition);
    margin-bottom: 16px;
    position: relative;
    overflow: hidden;
}

.btn-hero::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.22), transparent);
    transition: left 0.55s ease;
}

.btn-hero:hover::before { left: 100%; }
.btn-hero:hover { transform: translateY(-3px); box-shadow: 0 14px 40px rgba(243,156,18,0.45); }

.hero-disclaimer {
    font-size: 12px;
    color: rgba(255,255,255,0.5);
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Form Card */
.form-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 36px;
    box-shadow: 0 24px 50px rgba(0,0,0,0.22);
}

.form-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 28px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--gray-border);
}

.form-icon {
    width: 52px; height: 52px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: white;
    flex-shrink: 0;
}

.form-header h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 2px;
}

.form-header p { font-size: 13px; color: var(--text-light); }

.input-group {
    margin-bottom: 14px;
    position: relative;
    display: flex;
    align-items: center;
}

.input-group > i {
    position: absolute;
    left: 16px;
    color: var(--text-light);
    font-size: 15px;
    z-index: 1;
}

.input-group input {
    width: 100%;
    padding: 13px 16px 13px 44px;
    border: 1.5px solid var(--gray-border);
    border-radius: 12px;
    font-size: 14px;
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    background: #fafbfc;
    transition: var(--transition);
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary-light);
    background: white;
    box-shadow: 0 0 0 3px rgba(13,79,110,0.08);
}

.input-group input::placeholder { color: #bbb; }

.currency-prefix {
    position: absolute;
    left: 44px;
    color: var(--text-medium);
    font-size: 14px;
    font-weight: 600;
    z-index: 1;
    pointer-events: none;
}

.with-prefix { padding-left: 62px !important; }

.campos-extra {
    display: none;
    border-top: 1px dashed var(--gray-border);
    padding-top: 14px;
    margin-top: 4px;
}

.btn-enviar {
    width: 100%;
    background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
    color: white;
    border: none;
    padding: 15px;
    font-size: 15px;
    font-weight: 700;
    border-radius: 40px;
    cursor: pointer;
    margin-top: 8px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    letter-spacing: 0.3px;
    box-shadow: var(--shadow-glow);
    position: relative;
    overflow: hidden;
}

.btn-enviar::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.22), transparent);
    transition: left 0.55s ease;
}

.btn-enviar:hover::before { left: 100%; }
.btn-enviar:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(243,156,18,0.4); }

.form-footer {
    text-align: center;
    font-size: 12px;
    color: #aaa;
    margin-top: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

/* Hero wave */
.hero-wave {
    position: absolute;
    bottom: -1px; left: 0; right: 0;
    z-index: 2;
    line-height: 0;
}

.hero-wave svg { width: 100%; display: block; }

/* ============================================
   STATS BAR
   ============================================ */
.stats-bar {
    background: var(--white);
    padding: 60px 0;
    border-bottom: 1px solid var(--gray-border);
}

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

.stat-item {
    text-align: center;
    padding: 24px 16px;
    border-radius: var(--radius);
    transition: var(--transition);
}

.stat-item:hover { background: var(--gray-bg); transform: translateY(-3px); }

.stat-icon {
    font-size: 28px;
    color: var(--secondary);
    margin-bottom: 12px;
}

.stat-number {
    font-size: 44px;
    font-weight: 900;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 8px;
    letter-spacing: -1px;
}

.stat-label { color: var(--text-light); font-size: 14px; font-weight: 500; }

/* ============================================
   SECTION COMMON
   ============================================ */
.section-header { text-align: center; margin-bottom: 56px; }

.section-tag {
    display: inline-block;
    background: rgba(243,156,18,0.1);
    color: var(--secondary-dark);
    padding: 4px 14px;
    border-radius: 40px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2.5px;
    margin-bottom: 12px;
    border: 1px solid rgba(243,156,18,0.2);
    text-transform: uppercase;
}

.section-title {
    font-size: 36px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 14px;
    line-height: 1.2;
    letter-spacing: -0.5px;
}

.section-title i { color: var(--secondary); margin-right: 8px; }

.section-sub {
    color: var(--text-light);
    font-size: 17px;
    max-width: 520px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ============================================
   COMO FUNCIONA
   ============================================ */
.como-funciona {
    padding: 90px 0;
    background: var(--gray-bg);
}

.steps-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
    gap: 12px;
    align-items: center;
}

.step-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 36px 20px 28px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-border);
    position: relative;
    transition: var(--transition);
}

.step-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(243,156,18,0.25);
}

.step-number {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    width: 36px; height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 800;
    box-shadow: 0 4px 12px var(--primary-glow);
}

.step-icon {
    font-size: 40px;
    color: var(--secondary);
    margin: 14px 0 16px;
    transition: transform 0.3s ease;
}

.step-card:hover .step-icon { transform: scale(1.1) rotate(-5deg); }

.step-card h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
}

.step-card p { font-size: 14px; color: var(--text-light); line-height: 1.6; }

.step-connector { color: var(--secondary); font-size: 20px; opacity: 0.5; }

/* ============================================
   VANTAGENS
   ============================================ */
.vantagens {
    padding: 90px 0;
    background: var(--white);
}

.vantagens-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.vantagem-card {
    background: var(--white);
    padding: 36px 28px;
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid var(--gray-border);
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    cursor: default;
}

.vantagem-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--secondary), var(--secondary-dark));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.vantagem-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: rgba(243,156,18,0.12); }
.vantagem-card:hover::before { transform: scaleX(1); }

.card-shine {
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.5), transparent);
    pointer-events: none;
    transition: left 0.6s ease;
}

.vantagem-card:hover .card-shine { left: 100%; }

.vantagem-icon {
    font-size: 44px;
    color: var(--secondary);
    margin-bottom: 20px;
    display: block;
    transition: transform 0.3s ease;
}

.vantagem-card:hover .vantagem-icon { transform: scale(1.12) rotate(-6deg); }

.vantagem-card h4 {
    font-size: 19px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
}

.vantagem-card p { color: var(--text-light); font-size: 14px; line-height: 1.7; }

/* ============================================
   CALCULADORA
   ============================================ */
.calculadora {
    padding: 90px 0;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    position: relative;
    overflow: hidden;
}

.calculadora::before {
    content: '';
    position: absolute; inset: 0;
    background: url('https://images.unsplash.com/photo-1509391366360-2e959784a276?w=1600&q=50') center/cover;
    opacity: 0.05;
}

.calc-wrapper {
    position: relative;
    z-index: 1;
    width: 100%;
    background: rgba(255,255,255,0.06);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-xl);
    display: grid;
    grid-template-columns: 1fr 1fr;
    overflow: hidden;
    box-sizing: border-box;
}

.calc-content {
    padding: 56px 48px;
    min-width: 0;
    overflow-wrap: break-word;
    word-break: break-word;
}

.calc-resultado { min-width: 0; }

.section-tag-light {
    background: rgba(243,156,18,0.2);
    color: var(--secondary-light);
    border-color: rgba(243,156,18,0.3);
}

.calc-content h2 {
    font-size: 34px;
    font-weight: 800;
    color: white;
    margin: 14px 0 12px;
    line-height: 1.2;
    letter-spacing: -0.5px;
}

.calc-content > p {
    color: rgba(255,255,255,0.7);
    margin-bottom: 32px;
    font-size: 16px;
}

.calc-input-row label {
    display: block;
    color: rgba(255,255,255,0.8);
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 10px;
}

.calc-input-wrap {
    display: flex;
    align-items: center;
    background: rgba(255,255,255,0.1);
    border: 1.5px solid rgba(255,255,255,0.2);
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 24px;
    transition: var(--transition);
}

.calc-input-wrap:focus-within {
    border-color: rgba(243,156,18,0.6);
    background: rgba(255,255,255,0.14);
}

.calc-input-wrap span {
    padding: 0 14px;
    color: rgba(255,255,255,0.7);
    font-weight: 700;
    font-size: 15px;
    border-right: 1px solid rgba(255,255,255,0.15);
    white-space: nowrap;
    flex-shrink: 0;
}

.calc-input-wrap input {
    flex: 1;
    background: transparent;
    border: none;
    padding: 14px 16px;
    font-size: 17px;
    font-weight: 600;
    color: white;
    font-family: 'Inter', sans-serif;
}

.calc-input-wrap input::placeholder { color: rgba(255,255,255,0.35); }
.calc-input-wrap input:focus { outline: none; }

.btn-calc {
    background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
    color: white;
    border: none;
    padding: 14px 32px;
    border-radius: 40px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
    box-shadow: var(--shadow-glow);
    font-family: 'Inter', sans-serif;
}

.btn-calc:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(243,156,18,0.45); }

.calc-resultado {
    background: rgba(255,255,255,0.06);
    border-left: 1px solid rgba(255,255,255,0.1);
    padding: 56px 48px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 16px;
}

.resultado-item { text-align: center; }

.resultado-valor {
    font-size: 34px;
    font-weight: 900;
    color: rgba(255,255,255,0.3);
    letter-spacing: -1px;
    transition: color 0.4s ease, text-shadow 0.4s ease;
}

.resultado-item.highlight .resultado-valor { font-size: 50px; }

.resultado-item.active .resultado-valor { color: rgba(255,255,255,0.9); }

.resultado-item.highlight.active .resultado-valor {
    color: var(--secondary);
    text-shadow: 0 0 30px rgba(243,156,18,0.45);
}

.resultado-label {
    color: rgba(255,255,255,0.55);
    font-size: 13px;
    margin-top: 4px;
    font-weight: 500;
}

.resultado-divider { height: 1px; background: rgba(255,255,255,0.1); }

.btn-resultado {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
    color: white;
    padding: 14px;
    border-radius: 40px;
    font-weight: 700;
    font-size: 14px;
    margin-top: 8px;
    transition: opacity 0.4s ease, transform 0.4s ease;
    opacity: 0;
    transform: translateY(12px);
    box-shadow: var(--shadow-glow);
    pointer-events: none;
}

.btn-resultado.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.btn-resultado:hover { transform: translateY(-2px) !important; }

/* ============================================
   INSTALAÇÃO SHOWCASE
   ============================================ */
.instalacao-showcase {
    padding: 90px 0;
    background: var(--gray-bg);
}

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

.instalacao-img-wrapper {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.instalacao-img {
    width: 100%;
    height: 460px;
    object-fit: cover;
    display: block;
    transition: transform 0.6s ease;
}

.instalacao-img-wrapper:hover .instalacao-img { transform: scale(1.04); }

.img-overlay {
    position: absolute;
    bottom: 20px; left: 20px; right: 20px;
}

.img-badge {
    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(10px);
    border-radius: 14px;
    padding: 14px 20px;
    display: flex;
    align-items: center;
    gap: 14px;
    box-shadow: var(--shadow-md);
}

.img-badge i { font-size: 26px; color: var(--secondary); }

.img-badge strong { display: block; font-size: 14px; color: var(--primary); font-weight: 700; }
.img-badge span { font-size: 12px; color: var(--text-light); }

.instalacao-texto { padding: 10px 0; }

.instalacao-texto .section-tag { display: inline-block; margin-bottom: 14px; }

.instalacao-texto h3 {
    font-size: 34px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 20px;
    line-height: 1.2;
    letter-spacing: -0.5px;
}

.instalacao-texto > p {
    color: var(--text-medium);
    margin-bottom: 28px;
    line-height: 1.7;
    font-size: 16px;
}

.lista-beneficios {
    list-style: none;
    margin-bottom: 36px;
}

.lista-beneficios li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 0;
    border-bottom: 1px solid var(--gray-border);
    font-size: 15px;
    color: var(--text-dark);
}

.lista-beneficios li:last-child { border-bottom: none; }

.lista-beneficios li i { color: var(--accent); font-size: 18px; flex-shrink: 0; }

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    padding: 15px 30px;
    border-radius: 40px;
    font-size: 15px;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: 0 6px 20px var(--primary-glow);
}

.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 30px var(--primary-glow); }

/* ============================================
   MARCAS PARCEIRAS
   ============================================ */
.marcas {
    padding: 50px 0;
    background: var(--white);
    border-top: 1px solid var(--gray-border);
    border-bottom: 1px solid var(--gray-border);
}

.marcas-titulo {
    text-align: center;
    color: var(--text-light);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    margin-bottom: 28px;
}

.marcas-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.marca-item {
    padding: 10px 24px;
    background: var(--gray-bg);
    border-radius: 40px;
    font-size: 14px;
    font-weight: 700;
    color: var(--text-medium);
    border: 1px solid var(--gray-border);
    transition: var(--transition);
    cursor: default;
}

.marca-item:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ============================================
   DEPOIMENTOS
   ============================================ */
.depoimentos {
    background: var(--gray-bg);
    padding: 90px 0;
}

.depoimentos-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.depoimento-card {
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-border);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.depoimento-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(243,156,18,0.18);
}

.quote-icon {
    color: var(--secondary);
    font-size: 26px;
    opacity: 0.25;
    margin-bottom: 12px;
}

.stars {
    color: var(--secondary);
    font-size: 14px;
    letter-spacing: 2px;
    margin-bottom: 16px;
    display: flex;
    gap: 3px;
}

.depoimento-texto {
    font-style: italic;
    line-height: 1.75;
    color: var(--text-medium);
    font-size: 15px;
    flex: 1;
    margin-bottom: 24px;
}

.cliente-info {
    display: flex;
    align-items: center;
    gap: 14px;
    padding-top: 20px;
    border-top: 1px solid var(--gray-border);
    margin-top: auto;
}

.cliente-avatar {
    width: 52px; height: 52px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--gray-border);
}

.cliente-nome { font-weight: 700; color: var(--primary); font-size: 15px; }
.cliente-cargo { font-size: 12px; color: var(--text-light); margin-top: 2px; }

/* ============================================
   FAQ
   ============================================ */
.faq { padding: 90px 0; background: var(--white); }

.faq-grid { max-width: 780px; margin: 0 auto; }

.faq-item {
    border: 1px solid var(--gray-border);
    margin-bottom: 12px;
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.faq-item:hover { border-color: rgba(243,156,18,0.3); }

.faq-item.active {
    border-color: rgba(243,156,18,0.4);
    box-shadow: 0 4px 18px rgba(243,156,18,0.1);
}

.faq-question {
    padding: 20px 24px;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    background: var(--white);
    transition: var(--transition);
    color: var(--text-dark);
    user-select: none;
}

.faq-question:hover { background: var(--gray-bg); color: var(--primary); }
.faq-item.active .faq-question { color: var(--primary); background: rgba(243,156,18,0.03); }

.faq-question > span { display: flex; align-items: center; gap: 12px; }
.faq-question > span i { color: var(--secondary); font-size: 16px; }

.faq-question > i { color: var(--secondary); transition: transform 0.35s ease; flex-shrink: 0; }
.faq-item.active .faq-question > i { transform: rotate(180deg); }

.faq-answer {
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s ease;
    color: var(--text-medium);
    line-height: 1.7;
    font-size: 15px;
}

.faq-item.active .faq-answer { padding: 4px 24px 22px; max-height: 400px; }

/* ============================================
   CTA FINAL
   ============================================ */
.cta-final {
    background: linear-gradient(135deg, var(--secondary-dark) 0%, var(--secondary) 100%);
    padding: 90px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-bg-circles { position: absolute; inset: 0; pointer-events: none; }

.cta-circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
}

.cta-circle:nth-child(1) { width: 220px; height: 220px; top: -110px; left: -60px; }
.cta-circle:nth-child(2) { width: 320px; height: 320px; bottom: -160px; right: 8%; }
.cta-circle:nth-child(3) { width: 160px; height: 160px; top: 20%; right: 28%; }

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

.cta-content h2 {
    font-size: 44px;
    font-weight: 900;
    color: white;
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.cta-content p {
    color: rgba(255,255,255,0.87);
    font-size: 18px;
    margin-bottom: 40px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-cta-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: white;
    color: var(--secondary-dark);
    padding: 17px 36px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 700;
    transition: var(--transition);
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

.btn-cta-primary:hover { transform: translateY(-3px); box-shadow: 0 14px 32px rgba(0,0,0,0.2); }

.btn-cta-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255,255,255,0.14);
    border: 2px solid rgba(255,255,255,0.55);
    color: white;
    padding: 15px 36px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    transition: var(--transition);
    backdrop-filter: blur(4px);
}

.btn-cta-secondary:hover { background: rgba(255,255,255,0.24); transform: translateY(-3px); }

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--primary-dark);
    color: rgba(255,255,255,0.55);
    padding: 64px 0 32px;
}

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

.footer-col h4 {
    color: white;
    margin-bottom: 20px;
    font-size: 15px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-col h4 i { color: var(--secondary); }

.footer-tagline {
    font-size: 13px;
    margin-bottom: 20px;
}

.footer-col address { font-style: normal; }

.footer-col p {
    margin-bottom: 10px;
    font-size: 14px;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.footer-col p i { color: var(--secondary); width: 16px; margin-top: 2px; flex-shrink: 0; }

.footer-col a {
    color: rgba(255,255,255,0.55);
    transition: var(--transition);
}

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

.social-links {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.social-links a {
    width: 40px; height: 40px;
    background: rgba(255,255,255,0.07);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.65) !important;
    font-size: 16px;
    transition: var(--transition);
    border: 1px solid rgba(255,255,255,0.1);
}

.social-links a:hover {
    background: var(--secondary);
    border-color: var(--secondary);
    color: white !important;
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 28px;
    border-top: 1px solid rgba(255,255,255,0.08);
    font-size: 13px;
    display: flex;
    justify-content: center;
    gap: 28px;
    flex-wrap: wrap;
}

/* ============================================
   POPUP PROMOÇÃO
   ============================================ */
.popup-overlay {
    position: fixed;
    inset: 0;
    background: rgba(6,30,43,0.75);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 9000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

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

.popup-box {
    background: white;
    border-radius: var(--radius-xl);
    padding: 40px 36px 32px;
    max-width: 460px;
    width: 100%;
    text-align: center;
    position: relative;
    box-shadow: 0 32px 64px rgba(0,0,0,0.3);
    transform: translateY(24px) scale(0.96);
    transition: transform 0.4s cubic-bezier(0.34,1.56,0.64,1);
    overflow: hidden;
}

.popup-box::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--secondary), var(--secondary-dark), var(--primary));
}

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

.popup-close {
    position: absolute;
    top: 14px; right: 14px;
    width: 32px; height: 32px;
    border-radius: 50%;
    border: none;
    background: var(--gray-bg);
    color: var(--text-light);
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 1;
}

.popup-close:hover {
    background: #e0e0e0;
    color: var(--text-dark);
    transform: rotate(90deg);
}

.popup-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
    color: white;
    padding: 5px 16px;
    border-radius: 40px;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 16px;
    animation: badge-pulse 2s ease-in-out infinite;
}

@keyframes badge-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(243,156,18,0.4); }
    50%       { box-shadow: 0 0 0 8px rgba(243,156,18,0); }
}

.popup-icon {
    font-size: 52px;
    color: var(--secondary);
    margin-bottom: 14px;
    line-height: 1;
}

.popup-box h2 {
    font-size: 26px;
    font-weight: 900;
    color: var(--primary);
    line-height: 1.25;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.popup-box h2 span {
    background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.popup-desc {
    color: var(--text-medium);
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 24px;
}

.popup-desc strong { color: var(--primary); }

.popup-timer-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.popup-timer-label i { color: var(--secondary-dark); }

.popup-timer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 28px;
}

.timer-block {
    background: var(--primary-dark);
    border-radius: 12px;
    padding: 12px 20px;
    min-width: 76px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.timer-block span {
    font-size: 42px;
    font-weight: 900;
    color: var(--secondary);
    line-height: 1;
    font-variant-numeric: tabular-nums;
    letter-spacing: -1px;
}

.timer-block small {
    font-size: 11px;
    color: rgba(255,255,255,0.5);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.timer-sep {
    font-size: 36px;
    font-weight: 900;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 14px;
}

.popup-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    background: linear-gradient(135deg, #25D366, #1da851);
    color: white;
    padding: 16px;
    border-radius: 40px;
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 14px;
    transition: var(--transition);
    box-shadow: 0 6px 20px rgba(37,211,102,0.35);
    position: relative;
    overflow: hidden;
}

.popup-btn::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.popup-btn:hover::before { left: 100%; }
.popup-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(37,211,102,0.45); }

.popup-btn i { font-size: 20px; }

.popup-skip {
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 12px;
    cursor: pointer;
    font-family: 'Inter', sans-serif;
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: var(--transition);
    padding: 4px;
}

.popup-skip:hover { color: var(--text-dark); }

/* Timer piscando no último minuto */
.popup-timer.urgent .timer-block {
    animation: urgent-flash 1s ease-in-out infinite;
}

@keyframes urgent-flash {
    0%, 100% { background: var(--primary-dark); }
    50%       { background: #c0392b; }
}

/* Responsivo */
@media (max-width: 480px) {
    .popup-box { padding: 32px 20px 24px; border-radius: var(--radius-lg); }
    .popup-box h2 { font-size: 22px; }
    .popup-desc { font-size: 14px; }
    .timer-block { min-width: 64px; padding: 10px 14px; }
    .timer-block span { font-size: 36px; }
    .popup-btn { font-size: 14px; padding: 15px; }
}

/* Esconder spinners de input number */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
input[type="number"] { -moz-appearance: textfield; }

/* Previne zoom no iOS ao focar inputs (font-size mínimo 16px) */
@media (max-width: 768px) {
    .input-group input,
    .calc-input-wrap input { font-size: 16px !important; }
}

/* ============================================
   RESPONSIVIDADE — TABLET GRANDE (≤1100px)
   ============================================ */
@media (max-width: 1100px) {
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }
    .step-connector { display: none; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
}

/* ============================================
   TABLET (≤992px)
   ============================================ */
@media (max-width: 992px) {
    /* Seções — reduzir padding vertical */
    .como-funciona, .vantagens, .instalacao-showcase,
    .depoimentos, .faq, .cta-final, .calculadora { padding: 64px 0; }
    .stats-bar { padding: 44px 0; }
    .marcas { padding: 36px 0; }
    .section-header { margin-bottom: 40px; }

    /* Hero */
    .hero-titulo { font-size: 44px; }
    .highlight-num { font-size: 52px; }
    .hero-grid { grid-template-columns: 1fr; padding: 56px 0 80px; text-align: center; }
    .hero-content { display: flex; flex-direction: column; align-items: center; }
    .badge-row { justify-content: center; }
    .hero-sub { text-align: center; max-width: 560px; }
    .hero-seals { justify-content: center; }
    .hero-disclaimer { justify-content: center; }

    /* Stats */
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }

    /* Vantagens */
    .vantagens-grid { grid-template-columns: repeat(2, 1fr); }

    /* Depoimentos */
    .depoimentos-grid { grid-template-columns: repeat(2, 1fr); }

    /* Instalação */
    .instalacao-grid { grid-template-columns: 1fr; gap: 36px; }
    .instalacao-img { height: 360px; }

    /* Calculadora */
    .calc-wrapper { grid-template-columns: 1fr; border-radius: var(--radius-lg); }
    .calc-content { padding: 36px 32px; }
    .calc-resultado {
        border-left: none;
        border-top: 1px solid rgba(255,255,255,0.1);
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 28px 32px;
    }
    .resultado-item { flex: none; min-width: 0; padding: 14px 0; text-align: center; }
    .resultado-divider { display: block; }
    .btn-resultado { flex-basis: auto; margin-top: 16px; }
    .resultado-item.highlight .resultado-valor { font-size: 40px; }
    .resultado-valor { font-size: 28px; }

    /* CTA */
    .cta-content h2 { font-size: 36px; }
}

/* ============================================
   MOBILE (≤768px)
   ============================================ */
@media (max-width: 768px) {
    /* Seções */
    .como-funciona, .vantagens, .instalacao-showcase,
    .depoimentos, .faq, .cta-final, .calculadora { padding: 52px 0; }
    .stats-bar { padding: 36px 0; }
    .marcas { padding: 32px 0; }
    .section-header { margin-bottom: 32px; }
    .section-title { font-size: 26px; }
    .section-sub { font-size: 15px; }

    /* Nav mobile */
    .nav-links {
        display: none;
        position: fixed;
        top: 66px; left: 0; right: 0;
        background: white;
        padding: 14px 20px 20px;
        box-shadow: var(--shadow-lg);
        z-index: 998;
        flex-direction: column;
        gap: 4px;
        border-top: 1px solid var(--gray-border);
        max-height: calc(100vh - 66px);
        overflow-y: auto;
    }
    .nav-links.open { display: flex; }
    .nav-links a:not(.btn-nav) {
        padding: 13px 16px;
        border-radius: 10px;
        width: 100%;
        text-align: center;
        font-size: 15px;
    }
    .nav-links a:not(.btn-nav):hover { background: var(--gray-bg); }
    .btn-nav { width: 100%; justify-content: center; margin-top: 8px; padding: 14px; }
    .mobile-menu { display: flex; }

    /* Hero */
    .hero-titulo { font-size: 34px; letter-spacing: -0.5px; }
    .highlight-num { font-size: 42px; }
    .hero-sub { font-size: 16px; }
    .hero-seals { flex-direction: column; align-items: center; gap: 8px; }
    .btn-hero { width: 100%; justify-content: center; font-size: 15px; padding: 17px 24px; }
    .hero-disclaimer { text-align: center; justify-content: center; }
    .badge-row { gap: 8px; }

    /* Stats — 2×2 compacto */
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .stat-number { font-size: 38px; }
    .stat-item { padding: 18px 12px; }

    /* Como funciona — 1 coluna */
    .steps-grid { grid-template-columns: 1fr; gap: 20px; }
    .step-card { padding: 30px 20px 22px; }

    /* Vantagens — 1 coluna */
    .vantagens-grid { grid-template-columns: 1fr; gap: 16px; }
    .vantagem-card { padding: 28px 24px; }

    /* Calculadora — coluna única em mobile */
    .calc-wrapper { border-radius: 16px; }
    .calc-content { padding: 24px 20px; }
    .calc-content h2 { font-size: 22px; }
    .calc-content > p { font-size: 14px; margin-bottom: 20px; }
    .calc-input-row label { font-size: 13px; }
    .btn-calc { width: 100%; justify-content: center; }
    .calc-resultado { padding: 24px 20px; }
    .resultado-valor { font-size: 28px; }
    .resultado-item.highlight .resultado-valor { font-size: 36px; }
    .btn-resultado { margin-top: 16px; }

    /* Instalação */
    .instalacao-img { height: 280px; }
    .instalacao-texto h3 { font-size: 26px; }
    .btn-primary { width: 100%; justify-content: center; }

    /* Depoimentos — 1 coluna */
    .depoimentos-grid { grid-template-columns: 1fr; max-width: 100%; }

    /* CTA */
    .cta-content h2 { font-size: 28px; }
    .cta-content p { font-size: 16px; }
    .cta-buttons { flex-direction: column; align-items: stretch; }
    .btn-cta-primary, .btn-cta-secondary { width: 100%; justify-content: center; padding: 16px; }

    /* Footer */
    .footer { padding: 48px 0 28px; }
    .footer-grid { grid-template-columns: 1fr; gap: 24px; text-align: center; }
    .footer-col p { justify-content: center; }
    .footer-col h4 { justify-content: center; }
    .footer-col address p { justify-content: center; }
    .social-links { justify-content: center; }
    .footer-bottom { flex-direction: column; gap: 6px; }

    /* WhatsApp flutuante */
    .whatsapp-float { bottom: 20px; right: 16px; width: 56px; height: 56px; font-size: 26px; }
    .whatsapp-float .tooltip { display: none; }
}

/* ============================================
   MOBILE PEQUENO (≤480px)
   ============================================ */
@media (max-width: 480px) {
    .container { padding: 0 16px; }

    /* Seções */
    .como-funciona, .vantagens, .instalacao-showcase,
    .depoimentos, .faq, .cta-final, .calculadora { padding: 44px 0; }
    .stats-bar { padding: 32px 0; }
    .section-title { font-size: 22px; }
    .section-header { margin-bottom: 28px; }

    /* Logo */
    .logo h1 { font-size: 18px; }
    .logo p { font-size: 8px; letter-spacing: 1.5px; }

    /* Hero */
    .hero-grid { padding: 44px 0 72px; }
    .hero-titulo { font-size: 28px; }
    .highlight-num { font-size: 36px; }
    .hero-sub { font-size: 15px; }
    .badge { font-size: 11px; padding: 5px 10px; }
    .badge-row { gap: 6px; }
    .seal-item { font-size: 13px; }
    .btn-hero { font-size: 14px; padding: 15px 20px; }

    /* Form */
    .form-card { padding: 22px 16px; }
    .form-header h3 { font-size: 18px; }
    .input-group input { font-size: 16px; } /* evita zoom no iOS */

    /* Stats — 4 numa linha menor */
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .stat-number { font-size: 32px; }
    .stat-icon { font-size: 22px; margin-bottom: 8px; }
    .stat-label { font-size: 12px; }
    .stat-item { padding: 16px 10px; }

    /* Calculadora */
    .calc-content { padding: 22px 16px; }
    .calc-resultado { padding: 20px 16px; }
    .calc-input-wrap input { font-size: 16px; }
    .resultado-valor { font-size: 26px; }
    .resultado-item.highlight .resultado-valor { font-size: 32px; }

    /* Instalação */
    .instalacao-img { height: 220px; }
    .lista-beneficios li { font-size: 14px; }

    /* CTA */
    .cta-content h2 { font-size: 24px; }

    /* Footer */
    .footer-grid { gap: 20px; }
}