/* Reset and Base Styles - Premium Ana Couto Style */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-black: #000000;
    --color-gray: #666666;
    --color-gray-light: #999999;
    --color-white: #ffffff;
    --color-bg: #ffffff;
    --color-bg-gray: #fafafa;
    --font-primary: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', 'Helvetica', 'Arial', sans-serif;
    --transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-primary);
    color: var(--color-black);
    background-color: var(--color-white);
    line-height: 1.5;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 100px;
}

.container-header {
    max-width: 1800px;
    margin: 0 auto;
    padding: 0 100px;
}

@media (max-width: 768px) {
    .container,
    .container-header {
        padding: 0 24px;
    }
}

/* Header - Premium Style */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    z-index: 1000;
    padding: 28px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    transition: var(--transition);
}

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

.logo {
    display: inline-flex;
    align-items: baseline;
    color: var(--color-black);
    text-decoration: none;
    transition: var(--transition);
    font-size: 32px;
    letter-spacing: -1px;
}

.logo:hover {
    opacity: 0.5;
}

.logo-agencia {
    font-weight: 500;
}

.logo-b5 {
    font-weight: 700;
    margin-left: 6px;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.menu-toggle span {
    width: 28px;
    height: 2px;
    background-color: var(--color-black);
    transition: var(--transition);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

.nav {
    display: flex;
    gap: 56px;
    align-items: center;
}

.nav a {
    color: var(--color-black);
    text-decoration: none;
    font-size: 16px;
    font-weight: 400;
    letter-spacing: -0.3px;
    transition: var(--transition);
    position: relative;
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-black);
    transition: var(--transition);
}

.nav a:hover::after {
    width: 100%;
}

.nav a:hover {
    opacity: 1;
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }
    
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        max-width: 400px;
        height: 100vh;
        background-color: var(--color-white);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 48px;
        transition: right 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: -2px 0 40px rgba(0, 0, 0, 0.08);
        z-index: 1000;
    }
    
    .nav.active {
        right: 0;
    }
    
    .nav a {
        font-size: 24px;
        font-weight: 400;
    }
    
    .logo {
        font-size: 26px;
    }
}

/* Hero Section - MUITO MAIOR */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 120px;
    padding-bottom: 120px;
    background-color: var(--color-white);
}

.hero-title {
    font-size: clamp(48px, 7vw, 110px);
    font-weight: 300;
    line-height: 0.95;
    letter-spacing: -3px;
    color: var(--color-black);
}

/* About Section - MAIS ESPAÇO */
.about {
    padding: 200px 0;
    background-color: var(--color-white);
}

.about-content {
    max-width: 1000px;
}

.about-lead {
    font-size: clamp(32px, 4vw, 56px);
    font-weight: 300;
    line-height: 1.3;
    letter-spacing: -2px;
    color: var(--color-black);
    margin-bottom: 80px;
}

.about-text {
    font-size: 20px;
    line-height: 1.8;
    letter-spacing: -0.4px;
    color: var(--color-gray);
    font-weight: 400;
    max-width: 800px;
}

@media (max-width: 768px) {
    .about {
        padding: 120px 0;
    }
}

/* Services Section - MAIS REFINADO */
.services {
    padding: 200px 0;
    background-color: var(--color-bg-gray);
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.services-list {
    max-width: 1200px;
}

.service-item {
    display: flex;
    align-items: baseline;
    gap: 60px;
    padding: 56px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    cursor: default;
}

.service-item:first-child {
    border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.service-item:hover {
    padding-left: 30px;
    opacity: 0.6;
}

.service-number {
    font-size: 18px;
    font-weight: 400;
    color: var(--color-gray-light);
    min-width: 50px;
    letter-spacing: -0.5px;
}

.service-title {
    font-size: clamp(26px, 3vw, 40px);
    font-weight: 400;
    line-height: 1.3;
    letter-spacing: -1.5px;
    color: var(--color-black);
}

@media (max-width: 768px) {
    .services {
        padding: 120px 0;
    }
    
    .service-item {
        gap: 32px;
        padding: 40px 0;
    }
}

/* Contact Section */
.contact {
    padding: 200px 0;
    background-color: var(--color-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.8fr;
    gap: 140px;
    max-width: 1300px;
}

.contact-title {
    font-size: 56px;
    font-weight: 300;
    letter-spacing: -2px;
    color: var(--color-black);
    margin-bottom: 32px;
}

.contact-text {
    font-size: 20px;
    line-height: 1.7;
    letter-spacing: -0.4px;
    color: var(--color-gray);
}

/* Contact Form - MAIS ELEGANTE */
.contact-form {
    display: grid;
    gap: 32px;
}

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 20px 0;
    border: none;
    border-bottom: 1px solid rgba(0, 0, 0, 0.12);
    background-color: transparent;
    font-family: var(--font-primary);
    font-size: 18px;
    letter-spacing: -0.4px;
    color: var(--color-black);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-bottom-color: var(--color-black);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-gray-light);
    font-weight: 300;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
    font-family: var(--font-primary);
}

.btn-submit {
    width: 100%;
    padding: 24px 0;
    background-color: var(--color-black);
    color: var(--color-white);
    border: none;
    font-family: var(--font-primary);
    font-size: 16px;
    font-weight: 500;
    letter-spacing: -0.3px;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 24px;
}

.btn-submit:hover {
    background-color: var(--color-gray);
    transform: translateY(-2px);
}

.btn-submit:active {
    transform: translateY(0);
}

.form-message {
    margin-top: 24px;
    padding: 20px 0;
    font-size: 16px;
    text-align: center;
    display: none;
}

.form-message.success {
    color: var(--color-black);
    display: block;
}

.form-message.error {
    color: #cc0000;
    display: block;
}

@media (max-width: 968px) {
    .contact {
        padding: 120px 0;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 80px;
    }
}

/* Footer - Premium Style */
.footer {
    padding: 100px 0 60px;
    background-color: var(--color-bg-gray);
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 80px;
    margin-bottom: 80px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.footer-logo {
    display: flex;
    justify-content: flex-start;
    font-size: 36px;
    letter-spacing: -1px;
}

.footer-logo .logo-agencia {
    font-weight: 500;
}

.footer-logo .logo-b5 {
    font-weight: 700;
    margin-left: 6px;
}

.footer-info p {
    font-size: 16px;
    line-height: 2;
    letter-spacing: -0.3px;
    color: var(--color-gray);
}

.footer-bottom {
    text-align: left;
}

.footer-bottom p {
    font-size: 14px;
    letter-spacing: -0.2px;
    color: var(--color-gray-light);
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }
}

/* Animations - MAIS SUAVES */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title,
.about-lead,
.about-text {
    animation: fadeInUp 1s ease forwards;
    animation-delay: 0.2s;
    opacity: 0;
}

.about-text {
    animation-delay: 0.4s;
}