/* ============================================
   SIGMA PRINT - Site OnePage
   Design Moderno & Responsivo
   ============================================ */

/* ----- CSS Variables ----- */
:root {
    --cor-principal: #E2007A;
    --cor-secundaria: #00A9E0;
    --branco: #FFFFFF;
    --cinza-claro: #F5F5F5;
    --cinza-escuro: #333333;
    --cinza-medio: #666666;
    --sombra: 0 4px 30px rgba(0, 0, 0, 0.08);
    --sombra-hover: 0 8px 40px rgba(0, 0, 0, 0.15);
    --radius: 16px;
    --radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ----- Reset & Base ----- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Roboto', sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--cinza-escuro);
    background: var(--branco);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    line-height: 1.3;
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ----- Navbar ----- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 10px 0;
    transition: var(--transition);
    background: var(--branco);
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.08);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-sigma {
    color: var(--cinza-escuro);
    transition: var(--transition);
}

.nav-logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: block;
    padding: 10px 16px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--cinza-escuro);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--cor-principal);
    background: rgba(226, 0, 122, 0.08);
}

.nav-cta {
    background: var(--cor-principal) !important;
    color: var(--branco) !important;
    padding: 10px 24px !important;
    border-radius: 50px !important;
    font-weight: 600 !important;
}

.nav-cta:hover {
    background: #c70069 !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(226, 0, 122, 0.4);
}

/* Hamburger */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    z-index: 1001;
}

.nav-toggle span {
    width: 28px;
    height: 3px;
    background: var(--cinza-escuro);
    border-radius: 3px;
    transition: var(--transition);
}

.navbar.scrolled .nav-toggle span {
    background: var(--cinza-escuro);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ----- Hero ----- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: url('../assets/img/hero-bg.png') no-repeat center center/cover;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0,0,0,0.95) 0%, rgba(0,0,0,0.7) 100%);
    z-index: 1;
}

.about-main-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius);
    display: block;
    box-shadow: 20px 20px 60px rgba(0,0,0,0.1);
}

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

.hero-particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    animation: float-particle linear infinite;
}

@keyframes float-particle {
    0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(-10vh) rotate(720deg); opacity: 0; }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 0 20px;
}

.hero-badge {
    display: inline-block;
    padding: 8px 24px;
    background: rgba(226, 0, 122, 0.15);
    border: 1px solid rgba(226, 0, 122, 0.3);
    border-radius: 50px;
    color: var(--cor-principal);
    font-family: 'Montserrat', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 24px;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    color: var(--branco);
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-title .highlight {
    background: linear-gradient(135deg, var(--cor-principal), var(--cor-secundaria));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 40px;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.hero-scroll-indicator a {
    color: rgba(255, 255, 255, 0.5);
    font-size: 1.5rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-15px); }
    60% { transform: translateY(-8px); }
}

/* ----- Buttons ----- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 50px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn-primary {
    background: var(--cor-principal);
    color: var(--branco);
}

.btn-primary:hover {
    background: #c70069;
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(226, 0, 122, 0.4);
}

.btn-secondary {
    background: var(--cor-secundaria);
    color: var(--branco);
}

.btn-secondary:hover {
    background: #0090c0;
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 169, 224, 0.4);
}

.btn-whatsapp {
    background: #25D366;
    color: var(--branco);
}

.btn-whatsapp:hover {
    background: #1da851;
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.4);
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* ----- Sections ----- */
.section {
    padding: 100px 0;
}

.section-about {
    background: var(--cinza-claro);
}

.section-services {
    background: var(--branco);
}

.section-portfolio {
    background: var(--cinza-claro);
}

.section-contact {
    background: var(--branco);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--cor-principal);
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    color: var(--cinza-escuro);
    margin-bottom: 16px;
}

.section-title .highlight {
    color: var(--cor-principal);
}

.section-divider {
    width: 60px;
    height: 4px;
    background: linear-gradient(135deg, var(--cor-principal), var(--cor-secundaria));
    border-radius: 2px;
    margin: 0 auto 16px;
}

.section-description {
    font-size: 1.1rem;
    color: var(--cinza-medio);
    max-width: 600px;
    margin: 0 auto;
}

/* ----- About ----- */
.section-about {
    background: var(--cinza-claro);
    padding: 80px 0;
}

.about-text {
    font-size: 1.15rem;
    color: var(--cinza-medio);
    margin-bottom: 50px;
    line-height: 1.8;
    text-align: center;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.about-text.about-story p {
    margin: 0 0 1.25em;
}
.about-text.about-story p:last-child {
    margin-bottom: 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image-wrapper {
    position: relative;
}

.about-image-placeholder {
    width: 100%;
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, var(--cor-principal), var(--cor-secundaria));
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--branco);
}

.about-image-placeholder i {
    font-size: 4rem;
    opacity: 0.8;
}

.about-image-placeholder span {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    opacity: 0.9;
}

.about-image-accent {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 3px solid var(--cor-principal);
    border-radius: var(--radius);
    top: 20px;
    left: 20px;
    z-index: -1;
    opacity: 0.3;
}

.about-text {
    font-size: 1.15rem;
    color: var(--cinza-medio);
    margin-bottom: 32px;
    line-height: 1.8;
}

.about-values {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.value-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.value-icon {
    width: 50px;
    height: 50px;
    min-width: 50px;
    background: linear-gradient(135deg, var(--cor-principal), var(--cor-secundaria));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--branco);
    font-size: 1.2rem;
}

.value-content h3 {
    font-size: 1.1rem;
    margin-bottom: 4px;
    color: var(--cinza-escuro);
}

.value-content p {
    font-size: 0.95rem;
    color: var(--cinza-medio);
}

/* ----- Services ----- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--branco);
    border-radius: var(--radius);
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--sombra);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--cor-principal), var(--cor-secundaria));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--sombra-hover);
}

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

.service-icon-wrapper {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, rgba(226, 0, 122, 0.1), rgba(0, 169, 224, 0.1));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--cor-principal);
    transition: var(--transition);
}

.service-card:hover .service-icon-wrapper {
    background: linear-gradient(135deg, var(--cor-principal), var(--cor-secundaria));
    color: var(--branco);
    transform: scale(1.1) rotate(5deg);
}

.service-img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
}

.service-title {
    font-size: 1.15rem;
    margin-bottom: 12px;
    color: var(--cinza-escuro);
}

.service-desc {
    font-size: 0.93rem;
    color: var(--cinza-medio);
    margin-bottom: 16px;
    line-height: 1.6;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--cor-principal);
}

.service-link:hover {
    gap: 12px;
}

/* ----- Portfolio ----- */
.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 24px;
    border: 2px solid rgba(0, 0, 0, 0.1);
    background: var(--branco);
    border-radius: 50px;
    font-family: 'Roboto', sans-serif;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--cinza-escuro);
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--cor-principal);
    border-color: var(--cor-principal);
    color: var(--branco);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.portfolio-item {
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}

.portfolio-item.hidden {
    display: none;
}

.portfolio-image {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
    border-radius: var(--radius);
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    opacity: 0;
    transition: var(--transition);
    display: flex;
    align-items: flex-end;
    padding: 24px;
}

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

.portfolio-info h3 {
    color: var(--branco);
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.portfolio-info p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
    margin-bottom: 12px;
}

.lightbox-trigger {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--cor-principal);
    border: none;
    color: var(--branco);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.lightbox-trigger:hover {
    background: var(--cor-secundaria);
    transform: scale(1.1);
}

.portfolio-empty {
    text-align: center;
    padding: 80px 20px;
    color: var(--cinza-medio);
}

.portfolio-empty i {
    font-size: 4rem;
    margin-bottom: 16px;
    opacity: 0.3;
}

.portfolio-empty p {
    font-size: 1.1rem;
}

/* ----- Contact ----- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.contact-description {
    color: var(--cinza-medio);
    margin-bottom: 32px;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact-item--address .contact-address-line {
    margin: 0 0 6px;
}

.contact-item--address .contact-address-line:last-of-type {
    margin-bottom: 0;
}

.contact-icon {
    width: 50px;
    height: 50px;
    min-width: 50px;
    background: linear-gradient(135deg, rgba(226, 0, 122, 0.1), rgba(0, 169, 224, 0.1));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cor-principal);
    font-size: 1.1rem;
}

.contact-item strong {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 2px;
}

.contact-item p {
    color: var(--cinza-medio);
    font-size: 0.93rem;
}

.contact-item a {
    color: var(--cor-principal);
}

.contact-item a:hover {
    text-decoration: underline;
}

/* Form */
.contact-form-wrapper {
    background: var(--cinza-claro);
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: var(--sombra);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 8px;
    color: var(--cinza-escuro);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid rgba(0, 0, 0, 0.08);
    border-radius: var(--radius-sm);
    font-family: 'Roboto', sans-serif;
    font-size: 0.95rem;
    transition: var(--transition);
    background: var(--branco);
    color: var(--cinza-escuro);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--cor-principal);
    box-shadow: 0 0 0 4px rgba(226, 0, 122, 0.1);
}

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

/* ----- Footer ----- */
.footer {
    background: var(--cinza-escuro);
    color: var(--branco);
    padding: 40px 0;
    text-align: center;
}

.footer p {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

/* ----- WhatsApp Float ----- */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--branco);
    font-size: 1.8rem;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition);
    animation: pulse-whatsapp 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
}

@keyframes pulse-whatsapp {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5); }
    70% { box-shadow: 0 0 0 20px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ----- Lightbox ----- */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    background: none;
    border: none;
    color: var(--branco);
    font-size: 2.5rem;
    cursor: pointer;
    transition: var(--transition);
    z-index: 2001;
}

.lightbox-close:hover {
    color: var(--cor-principal);
    transform: rotate(90deg);
}

.lightbox-content {
    max-width: 90%;
    max-height: 90vh;
    text-align: center;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: var(--radius-sm);
}

.lightbox-content p {
    color: var(--branco);
    margin-top: 16px;
    font-family: 'Montserrat', sans-serif;
    font-size: 1.1rem;
}

/* ----- Animations ----- */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ----- Responsive ----- */
@media (max-width: 992px) {
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

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

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

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 360px;
        height: 100vh;
        background: var(--branco);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 16px;
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.15);
        transition: right 0.3s ease;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-link {
        color: var(--cinza-escuro) !important;
        font-size: 1.1rem;
    }

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

    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .hero-title {
        font-size: 1.8rem;
    }

    .section {
        padding: 60px 0;
    }

    .contact-form-wrapper {
        padding: 24px;
    }

    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 52px;
        height: 52px;
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .portfolio-grid {
        grid-template-columns: 1fr;
    }

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

    .btn {
        width: 100%;
        justify-content: center;
    }

    .portfolio-filters {
        gap: 8px;
    }

    .filter-btn {
        padding: 8px 16px;
        font-size: 0.8rem;
    }
}