/* ================================================
   BEE LAB STUDIO - STYLESHEET
   Site profissional para geração de leads
   ================================================ */

/* ========== CSS VARIABLES ========== */
:root {
    /* Cores Principais — Identidade Bee Lab Studio */
    --color-primary: #1A1A1A;       /* Preto Moderno */
    --color-secondary: #2C2C2C;     /* Cinza Carvão */
    --color-accent: #FFC107;        /* Amarelo Mel */
    --color-accent-dark: #F9A825;   /* Mel Escuro (hover) */
    --color-accent-light: #FFF8E1;  /* Mel Claro (backgrounds suaves) */
    --color-dark: #000000;          /* Preto puro */
    --color-white: #ffffff;         /* Branco */

    /* Cores de Texto */
    --text-primary: #ffffff;
    --text-secondary: #E0E0E0;      /* Cinza Suave */
    --text-muted: #9E9E9E;          /* Cinza Médio */

    /* Cores de Estado */
    --color-success: #10b981;
    --color-error: #ef4444;
    --color-warning: #f59e0b;

    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, #1A1A1A 0%, #2C2C2C 50%, #3a3a3a 100%);
    --gradient-accent: linear-gradient(135deg, #FFC107 0%, #F9A825 100%);
    --gradient-card: linear-gradient(145deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.02) 100%);

    /* Tipografia */
    --font-family-display: 'Jost', 'Futura', -apple-system, sans-serif;
    --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: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;

    /* Espaçamentos */
    --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: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 30px rgba(255, 193, 7, 0.4);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;

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

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 400;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--color-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-display);
}

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

ul, ol {
    list-style: none;
}

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

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

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

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

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

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-accent);
    color: var(--color-dark);
    border-color: var(--color-accent);
}

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

.btn-secondary {
    background: transparent;
    color: var(--color-white);
    border-color: var(--color-accent);
}

.btn-secondary:hover {
    background: rgba(255, 193, 7, 0.1);
    transform: translateY(-2px);
}

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-lg);
}

.btn-block {
    width: 100%;
}

.btn-loading {
    display: none;
}

.btn.loading .btn-text {
    display: none;
}

.btn.loading .btn-loading {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* ========== HEADER ========== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-base);
}

.header.scrolled {
    background: rgba(26, 26, 26, 0.98);
    box-shadow: var(--shadow-lg);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.logo-img {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.logo-img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.logo-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-white);
}

.logo-studio {
    color: var(--color-accent);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

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

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

.nav-link:hover,
.nav-link.active {
    color: var(--color-white);
}

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

.nav-cta {
    padding: var(--spacing-sm) var(--spacing-lg);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 30px;
    height: 24px;
    position: relative;
    z-index: var(--z-modal);
}

.hamburger,
.hamburger::before,
.hamburger::after {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--color-white);
    border-radius: 3px;
    transition: all var(--transition-base);
}

.hamburger {
    position: relative;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    top: 8px;
}

.nav-toggle.active .hamburger {
    background: transparent;
}

.nav-toggle.active .hamburger::before {
    transform: rotate(45deg);
    top: 0;
}

.nav-toggle.active .hamburger::after {
    transform: rotate(-45deg);
    top: 0;
}

/* ========== HERO SECTION ========== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 var(--spacing-4xl);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
}

.hero-pattern {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 80%, rgba(255, 193, 7, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 80% 20%, rgba(255, 193, 7, 0.05) 0%, transparent 40%),
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 100% 100%, 100% 100%, 50px 50px, 50px 50px;
    animation: patternMove 20s linear infinite;
}

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

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.hero-title {
    font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-5xl));
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-xl);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: clamp(var(--font-size-lg), 2vw, var(--font-size-xl));
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-3xl);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-3xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--color-accent);
    line-height: 1;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

.hero-scroll {
    position: absolute;
    bottom: var(--spacing-2xl);
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(8px); }
    60% { transform: translateY(4px); }
}

/* ========== SECTION STYLES ========== */
section {
    padding: var(--spacing-4xl) 0;
}

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

.section-tag {
    display: inline-block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: clamp(var(--font-size-2xl), 4vw, var(--font-size-4xl));
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.service-card {
    background: var(--gradient-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: rgba(255, 193, 7, 0.25);
    box-shadow: var(--shadow-xl);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 193, 7, 0.12);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
}

.service-icon i {
    font-size: var(--font-size-2xl);
    color: var(--color-accent);
}

.service-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.service-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    color: var(--color-accent);
    transition: gap var(--transition-fast);
}

.service-link:hover {
    gap: var(--spacing-md);
}

/* ========== DIFFERENTIALS SECTION ========== */
.differentials {
    background: var(--color-primary);
}

.differentials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.differential-card {
    text-align: center;
    padding: var(--spacing-2xl);
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-base);
}

.differential-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 193, 7, 0.25);
    transform: translateY(-4px);
}

.differential-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    background: rgba(255, 193, 7, 0.12);
    border-radius: var(--radius-full);
}

.differential-icon i {
    font-size: var(--font-size-3xl);
    color: var(--color-accent);
}

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

.differential-description {
    color: var(--text-secondary);
    font-size: var(--font-size-base);
}

/* ========== HOW IT WORKS SECTION ========== */
.how-it-works {
    background: var(--color-secondary);
}

.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-accent), var(--color-accent-dark));
}

.timeline-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xl);
    padding-bottom: var(--spacing-3xl);
    position: relative;
}

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

.timeline-number {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    border: 2px solid var(--color-accent);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--color-accent);
    position: relative;
    z-index: 1;
}

.timeline-content {
    flex: 1;
    background: var(--gradient-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
}

.timeline-content:hover {
    border-color: rgba(255, 193, 7, 0.25);
    transform: translateX(8px);
}

.timeline-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 193, 7, 0.12);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.timeline-icon i {
    font-size: var(--font-size-xl);
    color: var(--color-accent);
}

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

.timeline-description {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ========== CONTACT SECTION ========== */
.contact {
    background: var(--color-primary);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: start;
}

.contact-info .section-tag,
.contact-info .section-title {
    text-align: left;
}

.contact-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    font-size: var(--font-size-lg);
}

.contact-details {
    margin-bottom: var(--spacing-2xl);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.contact-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 193, 7, 0.12);
    border-radius: var(--radius-md);
}

.contact-icon i {
    font-size: var(--font-size-xl);
    color: var(--color-accent);
}

.contact-text {
    display: flex;
    flex-direction: column;
}

.contact-label {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.contact-text a {
    color: var(--text-primary);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.contact-text a:hover {
    color: var(--color-accent);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-dark);
    transform: translateY(-3px);
}

/* ========== CONTACT FORM ========== */
.contact-form-wrapper {
    background: var(--gradient-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.form-input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
}

.form-input::placeholder {
    color: var(--text-muted);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-accent);
    background: rgba(255, 193, 7, 0.05);
    box-shadow: 0 0 0 3px rgba(255, 193, 7, 0.15);
}

.form-input.error {
    border-color: var(--color-error);
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%239E9E9E' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 48px;
}

.form-select option {
    background: var(--color-primary);
    color: var(--text-primary);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-error {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-error);
    margin-top: var(--spacing-xs);
    min-height: 16px;
}

.form-feedback {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    display: none;
}

.form-feedback.success {
    display: block;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--color-success);
    color: var(--color-success);
}

.form-feedback.error {
    display: block;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--color-error);
    color: var(--color-error);
}

/* ========== FOOTER ========== */
.footer {
    background: var(--color-dark);
    padding: var(--spacing-4xl) 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--spacing-3xl);
    padding-bottom: var(--spacing-3xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo {
    margin-bottom: var(--spacing-lg);
}

.footer-description {
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 300px;
}

.footer-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.footer-menu li {
    margin-bottom: var(--spacing-sm);
}

.footer-menu a {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.footer-menu a:hover {
    color: var(--color-accent);
}

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

.footer-contact-item i {
    color: var(--color-accent);
    width: 20px;
}

.footer-contact-item a {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.footer-contact-item a:hover {
    color: var(--color-accent);
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-xl);
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.footer-domain {
    color: var(--color-accent);
    font-weight: 500;
}

/* ========== WHATSAPP FLOAT BUTTON ========== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: var(--z-fixed);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #25D366;
    border-radius: var(--radius-full);
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: all var(--transition-base);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

.whatsapp-float i {
    font-size: 32px;
    color: white;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

/* ========== RESPONSIVE DESIGN ========== */

/* Tablet - 1024px */
@media (max-width: 1024px) {
    .services-grid,
    .differentials-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-3xl);
    }

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

/* Mobile Large - 768px */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        flex-direction: column;
        justify-content: center;
        gap: var(--spacing-xl);
        background: var(--color-primary);
        transform: translateX(100%);
        transition: transform var(--transition-base);
        z-index: var(--z-fixed);
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .nav-link {
        font-size: var(--font-size-xl);
    }

    .nav-cta {
        display: none;
    }

    .nav-toggle {
        display: flex;
        justify-content: center;
        align-items: center;
    }

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

    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-xl);
    }

    .services-grid,
    .differentials-grid {
        grid-template-columns: 1fr;
    }

    .timeline::before {
        left: 29px;
    }

    .timeline-item {
        flex-direction: column;
        gap: var(--spacing-md);
        padding-left: 80px;
    }

    .timeline-number {
        position: absolute;
        left: 0;
        width: 60px;
        height: 60px;
    }

    .timeline-content:hover {
        transform: translateX(0);
        transform: translateY(-4px);
    }

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

    .footer-brand .logo {
        justify-content: center;
    }

    .footer-description {
        max-width: 100%;
    }

    .footer-social {
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
}

/* Mobile Small - 480px */
@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    section {
        padding: var(--spacing-3xl) 0;
    }

    .hero {
        padding: 100px 0 var(--spacing-2xl);
    }

    .btn-lg {
        padding: var(--spacing-md) var(--spacing-xl);
        font-size: var(--font-size-base);
        width: 100%;
    }

    .service-card,
    .differential-card,
    .timeline-content,
    .contact-form-wrapper {
        padding: var(--spacing-lg);
    }

    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 55px;
        height: 55px;
    }

    .whatsapp-float i {
        font-size: 28px;
    }
}

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

    html {
        scroll-behavior: auto;
    }
}

/* Focus Styles */
:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--color-accent);
    color: var(--color-dark);
    font-weight: 600;
    border-radius: var(--radius-md);
    z-index: var(--z-tooltip);
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: var(--spacing-md);
}

/* ========== PRINT STYLES ========== */
@media print {
    .header,
    .whatsapp-float,
    .hero-scroll {
        display: none;
    }

    body {
        background: white;
        color: black;
    }

    a {
        text-decoration: underline;
    }
}