/* =============================================
   Aurabit Landing Page — Styles
   ============================================= */

:root {
    --color-bg-dark: #0a0a1a;
    --color-bg-mid: #12122a;
    --color-bg-card: #161632;
    --color-cyan: #00d4ff;
    --color-cyan-dark: #0099cc;
    --color-purple: #7c3aed;
    --color-green: #00ff88;
    --color-text: #e8e8f0;
    --color-text-muted: #9494b8;
    --color-text-dark: #1a1a2e;
    --gradient-brand: linear-gradient(135deg, var(--color-cyan) 0%, var(--color-green) 100%);
    --gradient-dark: linear-gradient(135deg, #0a0a1a 0%, #12122a 50%, #1a1040 100%);
    --gradient-cta: linear-gradient(135deg, var(--color-cyan) 0%, var(--color-cyan-dark) 100%);
    --shadow-glow: 0 0 40px rgba(0, 212, 255, 0.15);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --header-height: 72px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
    overflow-x: clip;
}

body {
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--color-text-dark);
    background-color: #fff;
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: inherit;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 clamp(16px, 4vw, 32px);
}

/* ---- Skip link (acessibilidade) ---- */
.skip-link {
    position: absolute;
    top: -100%;
    left: 16px;
    z-index: 9999;
    padding: 10px 20px;
    background: var(--color-cyan);
    color: var(--color-bg-dark);
    font-weight: 600;
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: top var(--transition);
}

.skip-link:focus {
    top: 16px;
}

/* ---- Header ---- */
header {
    background: rgba(10, 10, 26, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    color: white;
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 212, 255, 0.08);
    height: var(--header-height);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--header-height);
    gap: 16px;
}

.logo-header {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    flex-shrink: 0;
    transition: opacity var(--transition);
}

.logo-header:hover {
    opacity: 0.85;
}

.logo-header > img {
    height: 48px;
    width: auto;
    flex-shrink: 0;
}

.logo-text {
    display: inline-grid;
    grid-template-columns: minmax(0, max-content);
    gap: 2px;
    line-height: 1.1;
}

.logo-wordmark {
    grid-row: 1;
    width: 0;
    min-width: 100%;
    height: auto;
    display: block;
}

.logo-slogan {
    grid-row: 2;
    white-space: nowrap;
    font-size: 0.5625rem;
    font-weight: 600;
    letter-spacing: 0.61em;
    color: var(--color-cyan);
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: clamp(16px, 3vw, 32px);
    align-items: center;
}

.nav-links a {
    color: var(--color-text);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color var(--transition);
    white-space: nowrap;
}

.nav-links a:hover,
.nav-links a:focus-visible {
    color: var(--color-cyan);
}

.cta-button {
    background: var(--gradient-cta);
    color: white;
    padding: 10px 22px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.875rem;
    transition: transform var(--transition), box-shadow var(--transition);
    border: none;
    cursor: pointer;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 212, 255, 0.35);
}

/* Mobile menu toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    background: transparent;
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: var(--radius-sm);
    cursor: pointer;
    padding: 10px;
    flex-shrink: 0;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-cyan);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ---- Hero ---- */
.hero {
    background: var(--gradient-dark);
    color: white;
    padding: clamp(60px, 10vw, 100px) 0 clamp(60px, 8vw, 80px);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 50% at 20% 50%, rgba(124, 58, 237, 0.12) 0%, transparent 70%),
        radial-gradient(ellipse 50% 40% at 80% 30%, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.hero-grid-bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 20%, transparent 80%);
    animation: gridPulse 8s ease-in-out infinite;
}

@keyframes gridPulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(32px, 5vw, 64px);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text {
    text-align: left;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: rgba(0, 212, 255, 0.08);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 100px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-cyan);
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease both;
}

.hero-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    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(1.3); }
}

.hero-text h1 {
    font-size: clamp(2rem, 5vw, 3.25rem);
    margin-bottom: 20px;
    line-height: 1.15;
    font-weight: 800;
    letter-spacing: -0.02em;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 0.8s ease 0.1s both;
}

.hero-text p {
    font-size: clamp(1rem, 2vw, 1.125rem);
    margin-bottom: 32px;
    color: var(--color-text-muted);
    line-height: 1.75;
    max-width: 520px;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    animation: fadeInUp 0.8s ease 0.3s both;
}

.btn-primary {
    background: var(--gradient-cta);
    color: white;
    padding: 14px 32px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-weight: 600;
    transition: transform var(--transition), box-shadow var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0, 212, 255, 0.35);
}

.btn-secondary {
    background: transparent;
    color: white;
    padding: 14px 32px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-weight: 600;
    border: 1.5px solid rgba(0, 212, 255, 0.5);
    cursor: pointer;
    font-size: 1rem;
    transition: all var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-secondary:hover {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--color-cyan);
}

.hero-visual {
    position: relative;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-visual svg {
    width: 100%;
    max-width: 520px;
    margin: 0 auto;
    filter: drop-shadow(0 0 40px rgba(0, 212, 255, 0.2));
}

/* Hero SVG animations */
.hero-float-main { animation: floatMain 6s ease-in-out infinite; }
.hero-float-node-1 { animation: floatNode1 5s ease-in-out infinite; }
.hero-float-node-2 { animation: floatNode2 7s ease-in-out infinite; }
.hero-float-node-3 { animation: floatNode3 6.5s ease-in-out infinite; }
.hero-float-node-4 { animation: floatNode4 5.5s ease-in-out infinite; }

@keyframes floatMain {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

@keyframes floatNode1 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-4px, 6px); }
}

@keyframes floatNode2 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(5px, -5px); }
}

@keyframes floatNode3 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-6px, -4px); }
}

@keyframes floatNode4 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(4px, 5px); }
}

.hero-orbit-1 { animation: orbitSpin 20s linear infinite; transform-origin: 280px 240px; }
.hero-orbit-2 { animation: orbitSpin 30s linear infinite reverse; transform-origin: 280px 240px; }

@keyframes orbitSpin {
    from { transform: rotate(-20deg); }
    to { transform: rotate(340deg); }
}

.hero-particle-1 { animation: particleFloat 4s ease-in-out infinite; }
.hero-particle-2 { animation: particleFloat 5s ease-in-out 0.5s infinite; }
.hero-particle-3 { animation: particleFloat 3.5s ease-in-out 1s infinite; }
.hero-particle-4 { animation: particleFloat 6s ease-in-out 0.3s infinite; }
.hero-particle-5 { animation: particleFloat 4.5s ease-in-out 1.5s infinite; }

@keyframes particleFloat {
    0%, 100% { opacity: 0.4; transform: translateY(0); }
    50% { opacity: 0.8; transform: translateY(-10px); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Scroll reveal */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ---- Stats ---- */
.stats {
    background: #f4f6fa;
    padding: clamp(48px, 8vw, 72px) 0;
    text-align: center;
}

.section-title {
    text-align: center;
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    margin-bottom: clamp(32px, 5vw, 48px);
    color: var(--color-bg-dark);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.section-subtitle {
    text-align: center;
    color: #666;
    font-size: 1rem;
    max-width: 600px;
    margin: -24px auto clamp(32px, 5vw, 48px);
    line-height: 1.7;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(20px, 3vw, 32px);
}

.stat-item {
    padding: clamp(24px, 4vw, 36px);
    background: white;
    border-radius: var(--radius-md);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: transform var(--transition), box-shadow var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.stat-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 212, 255, 0.12);
}

.stat-item h3 {
    color: var(--color-cyan-dark);
    font-size: clamp(1.75rem, 3vw, 2rem);
    margin-bottom: 8px;
    font-weight: 800;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-item p {
    color: #666;
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* ---- Services ---- */
.services {
    padding: clamp(60px, 10vw, 96px) 0;
    background: white;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(20px, 3vw, 28px);
}

.service-card {
    background: white;
    border-radius: var(--radius-md);
    padding: clamp(28px, 4vw, 40px);
    border: 1px solid #eaeaf0;
    transition: all var(--transition);
    text-align: center;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(0, 212, 255, 0.12);
    border-color: rgba(0, 212, 255, 0.3);
}

.service-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-cta);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.5rem;
}

.service-card h3 {
    font-size: 1.125rem;
    margin-bottom: 12px;
    color: var(--color-bg-dark);
    font-weight: 700;
}

.service-card p {
    color: #666;
    font-size: 0.9375rem;
    line-height: 1.75;
    margin-bottom: 20px;
    flex-grow: 1;
}

.service-features {
    text-align: left;
    font-size: 0.875rem;
    color: #666;
    list-style: none;
}

.service-features li {
    margin-bottom: 8px;
    padding-left: 22px;
    position: relative;
}

.service-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-cyan);
    font-weight: bold;
}

/* ---- Why Us ---- */
.why-us {
    background: var(--gradient-dark);
    color: white;
    padding: clamp(60px, 10vw, 96px) 0;
    position: relative;
    overflow: hidden;
}

.why-us::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 50% 40% at 50% 100%, rgba(124, 58, 237, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.why-us .section-title {
    color: white;
}

.why-us .section-subtitle {
    color: var(--color-text-muted);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(20px, 3vw, 32px);
    position: relative;
    z-index: 1;
}

.why-item {
    padding: clamp(24px, 4vw, 32px);
    background: rgba(255, 255, 255, 0.04);
    border-radius: var(--radius-md);
    border: 1px solid rgba(0, 212, 255, 0.12);
    transition: all var(--transition);
    backdrop-filter: blur(8px);
}

.why-item:hover {
    background: rgba(0, 212, 255, 0.06);
    border-color: rgba(0, 212, 255, 0.3);
    transform: translateY(-4px);
}

.why-item h3 {
    font-size: 1.125rem;
    margin-bottom: 12px;
    color: var(--color-cyan);
    font-weight: 700;
}

.why-item p {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    line-height: 1.75;
}

/* ---- Solutions ---- */
.solutions {
    padding: clamp(60px, 10vw, 96px) 0;
    background: #f4f6fa;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: clamp(20px, 3vw, 28px);
}

.solution-item {
    background: white;
    padding: clamp(28px, 4vw, 36px);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: all var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.04);
    height: 100%;
}

.solution-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 36px rgba(0, 212, 255, 0.1);
}

.solution-item h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: var(--color-bg-dark);
    font-weight: 700;
}

.solution-item p {
    color: #666;
    font-size: 0.9375rem;
    line-height: 1.75;
    margin-bottom: 16px;
}

.solution-features {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.solution-features span {
    color: #666;
    font-size: 0.875rem;
    padding-left: 20px;
    position: relative;
    line-height: 1.5;
}

.solution-features span::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--color-cyan);
    font-weight: bold;
}

/* ---- Landing Page Offer ---- */
.landing-offer {
    padding: clamp(60px, 10vw, 96px) 0;
    background: white;
}

.landing-offer-card {
    background: var(--gradient-dark);
    border-radius: var(--radius-lg);
    padding: clamp(32px, 5vw, 48px);
    border: 1px solid rgba(0, 212, 255, 0.2);
    box-shadow: var(--shadow-glow);
    position: relative;
    overflow: hidden;
}

.landing-offer-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 50% 60% at 0% 50%, rgba(124, 58, 237, 0.15) 0%, transparent 70%),
        radial-gradient(ellipse 40% 50% at 100% 30%, rgba(0, 212, 255, 0.12) 0%, transparent 70%);
    pointer-events: none;
}

.landing-offer-badge {
    display: block;
    width: fit-content;
    margin: 0 auto 24px;
    padding: 6px 14px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.25);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-cyan);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    text-align: center;
    position: relative;
}

.landing-offer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: clamp(32px, 5vw, 48px);
    align-items: center;
    position: relative;
}

.landing-offer-content h3.landing-offer-headline {
    font-size: clamp(1.5rem, 3.5vw, 2rem);
    font-weight: 800;
    color: #fff;
    line-height: 1.25;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.landing-offer-period {
    font-size: 0.55em;
    font-weight: 600;
    color: var(--color-text-muted);
    -webkit-text-fill-color: var(--color-text-muted);
}

.landing-offer-highlight {
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.landing-offer-lead {
    color: var(--color-text-muted);
    font-size: 1rem;
    line-height: 1.75;
    margin-bottom: 24px;
    max-width: 540px;
}

.landing-offer-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.landing-offer-features li {
    color: var(--color-text);
    font-size: 0.9375rem;
    padding-left: 24px;
    position: relative;
    line-height: 1.5;
}

.landing-offer-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-green);
    font-weight: bold;
}

.landing-offer-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 20px;
}

.landing-offer-price-box {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: var(--radius-md);
    padding: 28px 36px;
    width: 100%;
    max-width: 280px;
}

.landing-offer-price-label {
    display: block;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 8px;
}

.landing-offer-price-value {
    display: block;
    font-size: clamp(2.5rem, 5vw, 3rem);
    font-weight: 800;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
}

.landing-offer-price-note {
    display: block;
    font-size: 0.8125rem;
    color: var(--color-cyan);
    margin-top: 8px;
}

.landing-offer-cta .btn-primary {
    width: 100%;
    max-width: 280px;
}

.landing-offer-note {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

/* ---- CTA ---- */
.cta-section {
    background: var(--gradient-cta);
    color: white;
    padding: clamp(60px, 10vw, 80px) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.1) 0%, transparent 50%);
    pointer-events: none;
}

.cta-section h2 {
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    margin-bottom: 16px;
    font-weight: 700;
    position: relative;
}

.cta-section p {
    font-size: clamp(1rem, 2vw, 1.125rem);
    margin-bottom: 28px;
    opacity: 0.95;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
}

.cta-section .btn-primary {
    background: white;
    color: var(--color-cyan-dark);
    position: relative;
}

.cta-section .btn-primary:hover {
    background: #f0f8ff;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
}

/* ---- Footer ---- */
footer {
    background: var(--color-bg-dark);
    color: white;
    padding: clamp(40px, 6vw, 56px) 0 24px;
    border-top: 1px solid rgba(0, 212, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: clamp(24px, 4vw, 40px);
    margin-bottom: 32px;
}

.footer-section h4 {
    margin-bottom: 16px;
    color: var(--color-cyan);
    font-size: 0.9375rem;
    font-weight: 700;
}

.footer-section p {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    line-height: 1.7;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 8px;
}

.footer-section a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid rgba(0, 212, 255, 0.1);
    color: #666;
    font-size: 0.8125rem;
}

/* ---- WhatsApp flutuante (mesmo padrão WR Telas / Bootstrap Icons) ---- */
.whatsapp-float {
    position: fixed !important;
    bottom: max(22px, calc(16px + env(safe-area-inset-bottom, 0px))) !important;
    right: max(22px, calc(14px + env(safe-area-inset-right, 0px))) !important;
    left: auto !important;
    top: auto !important;
    z-index: 2147483000;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #25d366;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.7rem;
    text-decoration: none;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.28);
    transition: transform 0.3s ease;
    /* Evita bug do iOS que “prende” o fixed ao documento */
    transform: translate3d(0, 0, 0);
    -webkit-transform: translate3d(0, 0, 0);
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

.whatsapp-float::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: #25d366;
    animation: whatsappPulseRing 2.2s ease-out infinite;
    z-index: 0;
    pointer-events: none;
}

.whatsapp-float:hover {
    color: #fff;
    transform: translate3d(0, -3px, 0) scale(1.05);
    -webkit-transform: translate3d(0, -3px, 0) scale(1.05);
}

.whatsapp-float .bi {
    position: relative;
    z-index: 1;
    line-height: 1;
}

@keyframes whatsappPulseRing {
    0% { transform: scale(1); opacity: 0.6; }
    100% { transform: scale(1.9); opacity: 0; }
}

/* ---- Responsive ---- */
@media (max-width: 992px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text {
        text-align: center;
        order: 1;
    }

    .hero-text p {
        margin-left: auto;
        margin-right: auto;
    }

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

    .hero-visual {
        order: 2;
        max-width: 420px;
        margin: 0 auto;
    }

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

    .landing-offer-grid {
        grid-template-columns: 1fr;
    }

    .landing-offer-lead {
        max-width: none;
    }

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

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: rgba(10, 10, 26, 0.97);
        backdrop-filter: blur(16px);
        flex-direction: column;
        padding: 24px;
        gap: 0;
        transform: translateY(-110%);
        opacity: 0;
        visibility: hidden;
        transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
        border-bottom: 1px solid rgba(0, 212, 255, 0.1);
        max-height: calc(100vh - var(--header-height));
        overflow-y: auto;
    }

    .nav-links.open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-links li {
        width: 100%;
    }

    .nav-links a {
        display: block;
        padding: 14px 0;
        font-size: 1rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .nav-links li:last-child {
        margin-top: 12px;
    }

    .nav-links .cta-button {
        width: 100%;
        padding: 14px 24px;
        font-size: 1rem;
    }

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

    .services-grid,
    .why-grid,
    .solutions-grid,
    .landing-offer-grid {
        grid-template-columns: 1fr;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
    }

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

@media (max-width: 480px) {
    :root {
        --header-height: 64px;
    }

    .logo-header > img {
        height: 40px;
    }

    .logo-slogan {
        font-size: 0.5rem;
        letter-spacing: 0.54em;
    }

    .whatsapp-float {
        right: max(14px, env(safe-area-inset-right, 0px)) !important;
        bottom: max(18px, calc(14px + env(safe-area-inset-bottom, 0px))) !important;
        width: 54px;
        height: 54px;
        font-size: 1.55rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }

    html {
        scroll-behavior: auto;
    }
}