/* ============================================
   RESOLVA.AI - CSS PRINCIPAL
   Versão: 1.0
   Autor: Resolva.AI
   ============================================ */

/* ============================================
   VARIÁVEIS CSS
   ============================================ */
:root {
    /* Cores principais */
    --color-primary: #00B4D8;
    --color-primary-dark: #0096C7;
    --color-primary-light: #48CAE4;
    --color-secondary: #0A1628;
    --color-secondary-light: #1A2D4D;
    --color-accent: #00D4AA;

    /* Cores neutras */
    --color-white: #FFFFFF;
    --color-black: #0A0A0A;
    --color-gray-100: #F8FAFC;
    --color-gray-200: #E2E8F0;
    --color-gray-300: #CBD5E1;
    --color-gray-400: #94A3B8;
    --color-gray-500: #64748B;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1E293B;
    --color-gray-900: #0F172A;

    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    --gradient-dark: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-light) 100%);
    --gradient-hero: linear-gradient(180deg, var(--color-secondary) 0%, #0D1B2A 100%);

    /* Tipografia */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;

    /* Espaçamento */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    --shadow-glow: 0 0 40px rgb(0 180 216 / 0.3);

    /* Transições */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    /* Z-Index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal: 400;
    --z-tooltip: 500;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-gray-700);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

ul, ol {
    list-style: none;
}

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

/* ============================================
   UTILITÁRIOS
   ============================================ */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section {
    padding: var(--spacing-4xl) 0;
}

/* ============================================
   HEADER
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-200);
    transition: all var(--transition-base);
}

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

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 40px;
    width: auto;
    transition: opacity var(--transition-fast);
}

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

.logo-img-footer {
    display: block;
    height: 36px;
    width: auto;
    filter: brightness(0) invert(1);
}

/* Navigation */
.nav {
    display: none;
}

.nav-list {
    display: flex;
    gap: var(--spacing-xl);
}

.nav-link {
    font-weight: 500;
    color: var(--color-gray-600);
    transition: color var(--transition-fast);
    position: relative;
}

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

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

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-weight: 600;
    font-size: var(--font-size-sm);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-white);
    box-shadow: 0 4px 14px rgb(0 180 216 / 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgb(0 180 216 / 0.5);
}

.btn-outline {
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    background: transparent;
}

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

.btn-cta {
    background: var(--color-white);
    color: var(--color-primary);
    box-shadow: 0 4px 14px rgb(0 0 0 / 0.2);
}

.btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgb(0 0 0 / 0.3);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
}

.btn-header {
    display: none;
}

.whatsapp-icon {
    width: 18px;
    height: 18px;
}

.arrow-icon {
    width: 16px;
    height: 16px;
}

/* Menu Toggle */
.menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-sm);
}

.menu-bar {
    width: 24px;
    height: 2px;
    background: var(--color-secondary);
    transition: all var(--transition-base);
}

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

.menu-toggle.active .menu-bar:nth-child(2) {
    opacity: 0;
}

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

/* ============================================
   HERO
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 72px;
    background: var(--gradient-hero);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 70% 30%, rgba(0, 180, 216, 0.15) 0%, transparent 50%),
                radial-gradient(ellipse at 30% 70%, rgba(0, 212, 170, 0.1) 0%, transparent 50%);
}

.hero-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-container {
    position: relative;
    z-index: 1;
    display: grid;
    gap: var(--spacing-3xl);
    align-items: center;
    padding: var(--spacing-3xl) var(--spacing-lg);
}

.hero-content {
    text-align: center;
}

.hero-badge {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: rgba(0, 180, 216, 0.15);
    border: 1px solid rgba(0, 180, 216, 0.3);
    border-radius: var(--radius-full);
    color: var(--color-primary-light);
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
}

.hero-title {
    font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-5xl));
    font-weight: 800;
    color: var(--color-white);
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
}

.hero-title .highlight {
    color: var(--color-primary-light);
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray-400);
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    justify-content: center;
}

/* Hero Visual */
.hero-visual {
    display: none;
}

.hero-dashboard {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    overflow: hidden;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-2xl);
}

.hero-dashboard-link {
    display: block;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
    transition: all var(--transition-base);
}

.hero-dashboard-link:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-2xl), 0 0 30px rgba(0, 180, 216, 0.3);
    border-color: rgba(0, 180, 216, 0.4);
}

.dashboard-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.dashboard-dots {
    display: flex;
    gap: 6px;
}

/* Visual Grid - Abstração de Dados e Automação */
.visual-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
}

.visual-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    background: rgba(0, 180, 216, 0.1);
    border: 1px solid rgba(0, 180, 216, 0.2);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.visual-node:hover {
    background: rgba(0, 180, 216, 0.2);
    border-color: rgba(0, 180, 216, 0.4);
    transform: translateY(-2px);
}

.visual-node svg {
    width: 32px;
    height: 32px;
    color: var(--color-primary-light);
}

.visual-node span {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-gray-300);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.visual-node.node-1 { animation: nodeFloat 3s ease-in-out infinite; }
.visual-node.node-2 { animation: nodeFloat 3s ease-in-out 0.5s infinite; }
.visual-node.node-3 { animation: nodeFloat 3s ease-in-out 1s infinite; }
.visual-node.node-4 { animation: nodeFloat 3s ease-in-out 1.5s infinite; }

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

/* Visual Flow */
.visual-flow {
    position: relative;
    height: 4px;
    margin: 0 var(--spacing-xl);
    background: rgba(0, 180, 216, 0.2);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.flow-line {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, var(--color-primary), var(--color-accent), transparent);
    border-radius: var(--radius-full);
}

.flow-pulse {
    position: absolute;
    top: 0;
    left: -20%;
    width: 20%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.6), transparent);
    animation: flowPulse 2s ease-in-out infinite;
}

@keyframes flowPulse {
    0% { left: -20%; }
    100% { left: 120%; }
}

/* Visual Label */
.visual-label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg) var(--spacing-xl);
}

.visual-label span {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-gray-300);
}

.visual-label .flow-arrow {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
    animation: arrowPulse 1.5s ease-in-out infinite;
}

@keyframes arrowPulse {
    0%, 100% { opacity: 0.5; transform: translateX(0); }
    50% { opacity: 1; transform: translateX(3px); }
}

/* Scroll Indicator */
.hero-scroll {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-gray-400);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-primary), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.5); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-3xl);
}

.section-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(0, 180, 216, 0.1);
    border-radius: var(--radius-full);
    color: var(--color-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: clamp(var(--font-size-2xl), 4vw, var(--font-size-4xl));
    font-weight: 800;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray-500);
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services {
    background: var(--color-gray-100);
}

.services-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.service-card {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-base);
}

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

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 180, 216, 0.1);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
}

.service-icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-primary);
}

.service-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

.service-desc {
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
    line-height: 1.7;
}

/* ============================================
   BENEFITS SECTION
   ============================================ */
.benefits {
    background: var(--color-white);
}

.benefits-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.benefit-card {
    position: relative;
    padding: var(--spacing-xl);
    padding-left: calc(var(--spacing-xl) + 60px);
    border-radius: var(--radius-xl);
    background: var(--color-gray-100);
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-base);
}

.benefit-card:hover {
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.benefit-number {
    position: absolute;
    left: var(--spacing-xl);
    top: var(--spacing-xl);
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--color-primary);
    opacity: 0.3;
}

.benefit-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

.benefit-desc {
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
    line-height: 1.7;
}

/* ============================================
   CASES SECTION
   ============================================ */
.cases {
    background: var(--color-gray-100);
}

.cases-grid {
    display: grid;
    gap: var(--spacing-xl);
}

.case-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-base);
}

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

.case-image {
    position: relative;
    background: var(--gradient-dark);
    overflow: hidden;
}

.case-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--transition-slow);
}

.case-card:hover .case-image img {
    transform: scale(1.02);
}

.case-overlay {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
}

.case-tag {
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(0, 180, 216, 0.9);
    color: var(--color-white);
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
}

.case-content {
    padding: var(--spacing-xl);
}

.case-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

.case-desc {
    color: var(--color-gray-500);
    line-height: 1.7;
}

/* ============================================
   PROCESS SECTION
   ============================================ */
.process {
    background: var(--color-white);
}

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

.process-line {
    display: none;
}

.process-step {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--color-gray-100);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-base);
}

.process-step:hover {
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.process-step:last-child {
    margin-bottom: 0;
}

.process-number {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--color-white);
    font-size: var(--font-size-lg);
    font-weight: 700;
    border-radius: var(--radius-lg);
}

.process-content {
    flex: 1;
}

.process-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-xs);
}

.process-desc {
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
    line-height: 1.7;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta {
    position: relative;
    background: var(--gradient-hero);
    padding: var(--spacing-4xl) 0;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    inset: 0;
}

.cta-particles {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 50%, rgba(0, 180, 216, 0.2) 0%, transparent 60%);
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-badge {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: rgba(0, 180, 216, 0.15);
    border: 1px solid rgba(0, 180, 216, 0.3);
    border-radius: var(--radius-full);
    color: var(--color-primary-light);
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
}

.cta-title {
    font-size: clamp(var(--font-size-2xl), 4vw, var(--font-size-4xl));
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
}

.cta-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray-400);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-secondary);
    color: var(--color-gray-400);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-grid {
    display: grid;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-brand .logo {
    display: inline-block;
    margin-bottom: var(--spacing-md);
}

.footer-brand .logo .logo-img-footer {
    display: block;
    height: 36px;
    width: auto;
    min-width: 150px;
    filter: brightness(0) invert(1);
}

.footer-tagline {
    color: var(--color-primary-light);
    font-weight: 500;
    margin-bottom: var(--spacing-md);
}

.footer-desc {
    font-size: var(--font-size-sm);
    line-height: 1.7;
}

.footer-title {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
}

.footer-links ul,
.footer-services ul,
.footer-contact ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

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

.footer-services li {
    font-size: var(--font-size-sm);
}

.footer-contact a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

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

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

.footer-bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: center;
}

.footer-copyright {
    font-size: var(--font-size-sm);
}

.footer-credits {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
}

/* ============================================
   WHATSAPP FLOATING BUTTON
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    z-index: var(--z-fixed);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #25D366;
    color: var(--color-white);
    border-radius: 50%;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: all var(--transition-base);
}

.whatsapp-float svg {
    width: 30px;
    height: 30px;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.5);
}

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-white);
    color: var(--color-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transform: translateX(10px);
    transition: all var(--transition-base);
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

/* ============================================
   MOBILE MENU
   ============================================ */
.nav.active {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-lg);
}

.nav.active .nav-list {
    flex-direction: column;
    gap: var(--spacing-md);
}

.nav.active .nav-link {
    display: block;
    padding: var(--spacing-sm) 0;
}

/* ============================================
   RESPONSIVE - TABLET
   ============================================ */
@media (min-width: 640px) {
    .hero-buttons {
        flex-direction: row;
    }

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

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

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

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

/* ============================================
   RESPONSIVE - DESKTOP
   ============================================ */
@media (min-width: 1024px) {
    .menu-toggle {
        display: none;
    }

    .nav {
        display: block;
    }

    .btn-header {
        display: inline-flex;
    }

    .hero-container {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-4xl);
    }

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

    .hero-subtitle {
        margin-left: 0;
    }

    .hero-buttons {
        justify-content: flex-start;
    }

    .hero-visual {
        display: block;
    }

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

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

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

    .process-line {
        display: block;
        position: absolute;
        left: 24px;
        top: 0;
        bottom: 0;
        width: 2px;
        background: linear-gradient(to bottom, var(--color-primary), var(--color-accent));
    }

    .process-step {
        background: transparent;
        border: none;
        padding-left: 0;
    }

    .process-step:hover {
        background: var(--color-gray-100);
        padding: var(--spacing-lg);
        margin-left: calc(-1 * var(--spacing-lg));
    }

    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }

    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
    }
}

/* ============================================
   RESPONSIVE - LARGE DESKTOP
   ============================================ */
@media (min-width: 1280px) {
    .cases-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .case-card {
        grid-column: span 2;
    }

    .case-card:nth-child(odd):last-child {
        grid-column: 2 / 4;
    }
}

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

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

/* Particle Animation */
.hero-particles::before,
.hero-particles::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 180, 216, 0.1) 0%, transparent 70%);
    animation: float 20s ease-in-out infinite;
}

.hero-particles::before {
    top: -100px;
    right: -100px;
}

.hero-particles::after {
    bottom: -100px;
    left: -100px;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -30px) scale(1.1); }
    50% { transform: translate(0, -50px) scale(1); }
    75% { transform: translate(-30px, -30px) scale(0.9); }
}

/* Scroll animations */
.service-card,
.benefit-card,
.case-card,
.process-step {
    opacity: 0;
    transform: translateY(30px);
}

.service-card.visible,
.benefit-card.visible,
.case-card.visible,
.process-step.visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

/* Stagger delay classes */
.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }
.delay-400 { transition-delay: 400ms; }
.delay-500 { transition-delay: 500ms; }
.delay-600 { transition-delay: 600ms; }
.delay-700 { transition-delay: 700ms; }
.delay-800 { transition-delay: 800ms; }