/* ===================================
   AGÊNCIA KUO - DESIGN SYSTEM
   ================================== */

/* --- IMPORTS --- */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;500;600;700;800;900&family=Inter:wght@300;400;500;600;700;800&display=swap');

/* --- CSS RESET & BASE --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Brand Colors */
    --primary-red: #8B0F1B;
    --primary-red-dark: #6B0A14;
    --primary-red-light: #A31820;
    --accent-gold: #D4AF37;
    --accent-gold-light: #E5C158;
    --accent-beige: #E8D5B7;
    
    /* Neutrals */
    --white: #FFFFFF;
    --off-white: #F8F8F8;
    --light-gray: #E5E5E5;
    --gray: #999999;
    --dark-gray: #333333;
    --black: #0A0A0A;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-red) 0%, var(--primary-red-dark) 100%);
    --gradient-gold: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-light) 100%);
    --gradient-overlay: linear-gradient(180deg, rgba(139, 15, 27, 0.95) 0%, rgba(107, 10, 20, 0.98) 100%);
    
    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s ease;
    --transition-slow: 0.6s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.25);
}

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

body {
    font-family: var(--font-body);
    color: var(--dark-gray);
    line-height: 1.6;
    overflow-x: hidden;
    background-color: var(--off-white);
}

/* --- TYPOGRAPHY --- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--primary-red);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 900;
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 800;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
}

h4 {
    font-size: clamp(1.25rem, 2.5vw, 1.8rem);
}

p {
    font-size: clamp(1rem, 1.5vw, 1.125rem);
    line-height: 1.8;
    color: var(--dark-gray);
}

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

/* --- HEADER & NAVIGATION --- */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-medium);
}

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

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-red);
}

.logo img {
    height: 45px;
    width: auto;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    font-weight: 500;
    color: var(--dark-gray);
    position: relative;
    padding: 0.5rem 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-gold);
    transition: var(--transition-fast);
}

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

.nav-links a:hover {
    color: var(--primary-red);
}

.cta-nav {
    padding: 0.75rem 2rem !important;
    background: var(--gradient-primary);
    color: var(--white) !important;
    border-radius: 50px;
    font-weight: 600;
    box-shadow: var(--shadow-md);
    transition: var(--transition-fast);
}

.cta-nav::after {
    display: none;
}

.cta-nav:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--white) !important;
}

/* Mobile Menu */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle span {
    width: 28px;
    height: 3px;
    background: var(--primary-red);
    transition: var(--transition-fast);
    border-radius: 2px;
}

/* --- BUTTONS --- */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition-fast);
    border: none;
    text-align: center;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: var(--gradient-gold);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

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

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

/* --- HERO SECTION --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    overflow: hidden;
    padding-top: 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../imagens de apoio/WhatsApp Image 2026-02-10 at 22.21.06.jpeg');
    background-size: cover;
    background-position: center;
    opacity: 0.15;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
    text-align: center;
    color: var(--white);
}

.hero h1 {
    color: var(--white);
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: clamp(1.2rem, 2vw, 1.5rem);
    margin-bottom: 2.5rem;
    color: var(--accent-beige);
    font-weight: 300;
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

/* Floating Elements */
.floating-element {
    position: absolute;
    animation: float 6s ease-in-out infinite;
}

.floating-element:nth-child(2) {
    animation-delay: 2s;
    animation-duration: 8s;
}

.floating-element:nth-child(3) {
    animation-delay: 4s;
    animation-duration: 7s;
}

/* --- SECTIONS --- */
section {
    padding: var(--spacing-xl) 5%;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
}

.section-tag {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: var(--gradient-gold);
    color: var(--white);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
}

.section-title {
    margin-bottom: 1.5rem;
}

.section-description {
    font-size: 1.125rem;
    color: var(--gray);
}

/* --- SERVICES GRID --- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    max-width: 1400px;
    margin: 0 auto;
}

.service-card {
    background: var(--white);
    padding: 3rem 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-medium);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-gold);
    transform: scaleX(0);
    transition: var(--transition-medium);
}

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

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 2rem;
    color: var(--white);
}

.service-card h3 {
    margin-bottom: 1rem;
    color: var(--primary-red);
}

.service-card p {
    margin-bottom: 1.5rem;
    color: var(--gray);
}

.service-link {
    color: var(--primary-red);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.service-link:hover {
    gap: 1rem;
}

/* --- STATS SECTION --- */
.stats-section {
    background: var(--gradient-primary);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

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

.stat-number {
    font-size: clamp(3rem, 5vw, 4.5rem);
    font-weight: 900;
    color: var(--accent-gold);
    font-family: var(--font-heading);
    display: block;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.125rem;
    color: var(--accent-beige);
    font-weight: 300;
}

/* --- PORTFOLIO SECTION --- */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.portfolio-item {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
    box-shadow: var(--shadow-md);
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-overlay);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: var(--transition-medium);
    padding: 2rem;
    text-align: center;
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-item:hover img {
    transform: scale(1.1);
}

.portfolio-overlay h3 {
    color: var(--white);
    margin-bottom: 1rem;
}

.portfolio-overlay p {
    color: var(--accent-beige);
}

/* --- TESTIMONIALS --- */
.testimonials-slider {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem;
}

.testimonial-card {
    background: var(--white);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.testimonial-text {
    font-size: 1.25rem;
    font-style: italic;
    color: var(--dark-gray);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--accent-gold);
}

.author-info h4 {
    margin-bottom: 0.25rem;
}

.author-info p {
    color: var(--gray);
    font-size: 0.9rem;
}

/* --- FOOTER --- */
footer {
    background: var(--primary-red-dark);
    color: var(--white);
    padding: 4rem 5% 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    max-width: 1400px;
    margin: 0 auto 3rem;
}

.footer-section h3 {
    color: var(--accent-gold);
    margin-bottom: 1.5rem;
}

.footer-section p,
.footer-section a {
    color: var(--accent-beige);
    margin-bottom: 0.75rem;
    display: block;
}

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

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.social-links a:hover {
    background: var(--accent-gold);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--accent-beige);
}

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

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

.fade-in-up {
    animation: fadeInUp 0.8s ease;
}

/* Scroll Reveal */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

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

/* --- RESPONSIVE --- */
@media (max-width: 968px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 70%;
        max-width: 400px;
        background: var(--white);
        flex-direction: column;
        padding: 6rem 2rem;
        box-shadow: var(--shadow-xl);
        transition: var(--transition-medium);
        gap: 1.5rem;
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .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);
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .services-grid,
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    :root {
        font-size: 14px;
    }
    
    section {
        padding: var(--spacing-lg) 5%;
    }
    
    .btn {
        padding: 0.875rem 2rem;
        font-size: 0.9rem;
    }
}