@import url('https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400..700;1,400..700&family=Outfit:wght@100..900&display=swap');

:root {
    /* Color System */
    --color-bg-main: #0B1A30;        /* Azul Marinho Escuro da logo */
    --color-bg-secondary: #050D18;   /* Azul Marinho Quase Preto */
    --color-bg-light: #FFFFFF;       /* Seções Brancas */
    --color-text-main: #EDEDED;      /* Cinza Claro */
    --color-text-title: #FFFFFF;     /* Branco */
    --color-text-dark: #0B1A30;      /* Texto marinho escuro para seções claras */
    --color-accent: #E5A93B;         /* Dourado da logo */
    --color-accent-hover: #F3C66F;   /* Dourado Claro da logo */
    --color-accent-dark: #A67520;    /* Dourado Escuro da logo */
    --color-border: rgba(237, 237, 237, 0.15); /* Bordas translúcidas */
    --color-border-light: rgba(11, 26, 48, 0.1);

    /* Fonts */
    --font-heading: 'Lora', serif;
    --font-body: 'Outfit', sans-serif;
    
    /* Layout & Shadows */
    --container-width: 1300px;
    --shadow-premium: 0 15px 30px rgba(0, 0, 0, 0.4);
    --shadow-soft: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* Basic Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-bg-main);
    color: var(--color-text-main);
    font-family: var(--font-body);
    font-size: 18px;
    font-weight: 300;
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-text-title);
    font-weight: 400;
    line-height: 1.2;
}

a {
    color: inherit;
    text-decoration: none;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

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

/* Typography Overrides */
.text-accent {
    color: var(--color-accent) !important;
}

/* Helper Layout Elements */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 30px;
}

.section {
    padding: 100px 0;
}

.section-light {
    background-color: var(--color-bg-light);
    color: var(--color-text-dark);
}

.section-light h2, 
.section-light h3, 
.section-light h4 {
    color: var(--color-bg-secondary);
}

.section-dark-deep {
    background-color: var(--color-bg-secondary);
}

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

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

.section-title-wrapper h2 {
    font-size: 48px;
    position: relative;
    display: inline-block;
    padding-bottom: 15px;
}

.section-title-wrapper h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 2px;
    background-color: var(--color-accent);
}

.section-title-wrapper p {
    font-size: 18px;
    margin-top: 15px;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 500;
}

/* Header & Navigation */
header {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: all 0.4s ease;
}

header.sticky {
    position: fixed;
    background-color: rgba(11, 26, 48, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
    padding: 12px 0;
}

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

.logo a {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 26px;
    font-weight: 700;
    color: var(--color-text-title);
    letter-spacing: 1px;
}

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

.logo img {
    height: 45px;
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    font-size: 15px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 8px 0;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width 0.3s ease;
}

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

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

/* Call to Action Button */
.btn-cta {
    background-color: var(--color-accent);
    color: var(--color-bg-secondary) !important;
    padding: 12px 28px;
    border-radius: 3px;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 14px;
    letter-spacing: 1px;
    border: 2px solid var(--color-accent);
    cursor: pointer;
    display: inline-block;
    transition: all 0.3s ease;
}

.btn-cta:hover {
    background-color: transparent;
    color: var(--color-accent) !important;
}

.btn-outline {
    background-color: transparent;
    color: var(--color-text-title);
    border: 2px solid var(--color-text-title);
    padding: 12px 28px;
    border-radius: 3px;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 14px;
    letter-spacing: 1px;
    display: inline-block;
    transition: all 0.3s ease;
}

.btn-outline:hover {
    background-color: var(--color-text-title);
    color: var(--color-bg-main);
}

.hamburger {
    display: none;
    cursor: pointer;
    background: none;
    border: none;
    color: var(--color-text-title);
}

.hamburger i {
    font-size: 24px;
}

/* Mobile Side Popup Navigation */
.mobile-nav-popup {
    position: fixed;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100vh;
    background-color: var(--color-bg-secondary);
    z-index: 2000;
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: left 0.5s cubic-bezier(0.77, 0, 0.175, 1);
}

.mobile-nav-popup.active {
    left: 0;
}

.mobile-nav-close {
    position: absolute;
    top: 30px;
    right: 30px;
    font-size: 30px;
    background: none;
    border: none;
    color: var(--color-text-title);
    cursor: pointer;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 30px;
    text-align: center;
    margin-bottom: 40px;
}

.mobile-nav-links a {
    font-size: 24px;
    font-family: var(--font-heading);
    color: var(--color-text-title);
}

.mobile-nav-links a:hover {
    color: var(--color-accent);
}

/* Hero Section */
.hero {
    height: 100vh;
    min-height: 700px;
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    z-index: 0;
    transform: translate(-50%, -50%);
    object-fit: cover;
    pointer-events: none;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(11, 26, 48, 0.4) 0%, rgba(11, 26, 48, 0.85) 80%);
    z-index: 1;
}

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

@keyframes droneFly {
    0% {
        transform: scale(1.0) translate(0, 0);
    }
    100% {
        transform: scale(1.15) translate(-1%, -1%);
    }
}

.hero-content p.subtitle {
    font-size: 16px;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 3px;
    font-weight: 600;
    margin-bottom: 20px;
}

.hero-content h1 {
    font-size: 72px;
    font-weight: 300;
    line-height: 1.1;
    margin-bottom: 25px;
}

.hero-content h1 span {
    font-weight: 700;
    display: block;
    font-family: var(--font-body);
    font-size: 55px;
    letter-spacing: -1px;
}

.hero-content p.desc {
    font-size: 20px;
    margin-bottom: 40px;
    color: #cccccc;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

/* Grid & Section layout: 2 columns */
.split-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.split-section-image {
    position: relative;
}

.split-section-image img {
    border-radius: 3px;
    box-shadow: var(--shadow-premium);
}

/* Circular mask effect from reference */
.image-mask-wrapper {
    position: relative;
    overflow: hidden;
    border-radius: 50%;
    aspect-ratio: 1;
    max-width: 500px;
    margin: 0 auto;
    border: 3px solid var(--color-accent);
    box-shadow: var(--shadow-premium);
}

.image-mask-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.text-content p {
    margin-bottom: 20px;
    font-size: 18px;
    font-weight: 300;
}

.text-content ul.feature-list {
    margin-top: 30px;
}

.text-content ul.feature-list li {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
    font-size: 18px;
    font-weight: 400;
}

.text-content ul.feature-list li i {
    color: var(--color-accent);
    font-size: 20px;
}

/* Services Grid on index.html */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    padding: 40px;
    border-radius: 3px;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-premium);
}

.service-card-top i {
    font-size: 40px;
    color: var(--color-accent);
    margin-bottom: 25px;
    display: inline-block;
}

.service-card h3 {
    font-size: 26px;
    margin-bottom: 15px;
}

.service-card p {
    font-size: 16px;
    color: #aaaaaa;
    margin-bottom: 25px;
    font-weight: 300;
}

.service-card .read-more {
    font-size: 14px;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--color-accent);
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.service-card .read-more:hover {
    color: var(--color-text-title);
}

/* Subpages: Services Accordion or grid list */
.services-detailed-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.service-detail-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-border);
    padding: 30px;
    border-radius: 3px;
    transition: all 0.3s ease;
}

.service-detail-item:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--color-accent);
}

.service-detail-item h3 {
    font-size: 20px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.service-detail-item h3 i {
    color: var(--color-accent);
    font-size: 18px;
}

.service-detail-item p {
    font-size: 15px;
    color: #cccccc;
}

/* Portfolio & Projects Grid */
.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.filter-btn {
    background: none;
    border: 1px solid var(--color-border);
    color: var(--color-text-main);
    padding: 10px 24px;
    font-size: 14px;
    text-transform: uppercase;
    font-weight: 500;
    letter-spacing: 1px;
    cursor: pointer;
    border-radius: 3px;
    transition: all 0.3s ease;
}

.filter-btn.active, 
.filter-btn:hover {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-bg-secondary);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 30px;
}

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

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

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(11, 26, 48, 0.9) 0%, rgba(11, 26, 48, 0.4) 60%, rgba(11, 26, 48, 0.1) 100%);
    opacity: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 30px;
    transition: opacity 0.4s ease;
    z-index: 2;
}

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

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

.portfolio-overlay span {
    font-size: 12px;
    text-transform: uppercase;
    color: var(--color-accent);
    letter-spacing: 2px;
    margin-bottom: 5px;
    font-weight: 600;
}

.portfolio-overlay h3 {
    font-size: 24px;
    color: var(--color-text-title);
}

/* Reviews Carousel */
.reviews-section {
    position: relative;
    overflow: hidden;
}

.reviews-carousel {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    min-height: 320px;
}

.review-slide {
    display: none;
    text-align: center;
    padding: 30px;
    animation: fadeIn 0.8s ease;
}

.review-slide.active {
    display: block;
}

.stars {
    color: var(--color-accent);
    font-size: 20px;
    margin-bottom: 25px;
    display: flex;
    justify-content: center;
    gap: 5px;
}

.review-text {
    font-family: var(--font-heading);
    font-size: 24px;
    line-height: 1.6;
    font-style: italic;
    color: var(--color-text-title);
    margin-bottom: 30px;
}

.review-author {
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-accent);
    font-weight: 600;
}

.review-author span {
    color: #888888;
    font-weight: 300;
    text-transform: none;
    letter-spacing: 0;
    margin-left: 5px;
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--color-border);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background-color: var(--color-accent);
    transform: scale(1.3);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Contact Page & Forms */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
}

.contact-info-card {
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    padding: 40px;
    border-radius: 3px;
}

.contact-info-card h3 {
    font-size: 28px;
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-item i {
    font-size: 24px;
    color: var(--color-accent);
    margin-top: 5px;
}

.contact-item h4 {
    font-size: 18px;
    margin-bottom: 5px;
    font-family: var(--font-body);
    font-weight: 600;
}

.contact-item p {
    font-size: 16px;
    color: #aaaaaa;
}

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

.contact-form-wrapper {
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    padding: 50px;
    border-radius: 3px;
}

.contact-form-wrapper h3 {
    font-size: 28px;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 25px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

label {
    display: block;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
    color: var(--color-text-title);
    font-weight: 500;
}

input, textarea, select {
    width: 100%;
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-border);
    padding: 15px;
    border-radius: 3px;
    color: var(--color-text-title);
    font-family: var(--font-body);
    font-size: 16px;
    font-weight: 300;
    transition: all 0.3s ease;
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--color-accent);
    background-color: rgba(255, 255, 255, 0.06);
}

select option {
    background-color: var(--color-bg-secondary);
    color: var(--color-text-title);
}

/* Footer styling */
footer {
    background-color: var(--color-bg-secondary);
    padding: 80px 0 30px 0;
    border-top: 1px solid var(--color-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1.5fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-col h3 {
    font-size: 24px;
    margin-bottom: 25px;
    position: relative;
    display: inline-block;
    padding-bottom: 10px;
}

.footer-col h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--color-accent);
}

.footer-col p {
    font-size: 16px;
    color: #aaaaaa;
    margin-bottom: 20px;
    font-weight: 300;
}

.footer-col ul li {
    margin-bottom: 12px;
    font-size: 16px;
    color: #aaaaaa;
}

.footer-col ul li a:hover {
    color: var(--color-accent);
}

.footer-col.contact-col li {
    display: flex;
    gap: 10px;
    align-items: center;
}

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

.recent-post-link {
    margin-bottom: 15px;
    display: block;
}

.recent-post-link h4 {
    font-size: 15px;
    font-family: var(--font-body);
    font-weight: 500;
    line-height: 1.4;
    color: var(--color-text-main);
    margin-bottom: 5px;
}

.recent-post-link h4:hover {
    color: var(--color-accent);
}

.recent-post-link span {
    font-size: 12px;
    color: #666666;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.05);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    color: #777777;
}

.footer-bottom a {
    color: #888888;
}

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

/* Page Banner (for subpages) */
.page-banner {
    height: 400px;
    position: relative;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.page-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(11, 26, 48, 0.8) 0%, rgba(11, 26, 48, 0.5) 100%);
    z-index: 1;
}

.banner-content {
    position: relative;
    z-index: 2;
}

.banner-content h1 {
    font-size: 56px;
    margin-bottom: 15px;
}

.banner-content p {
    font-size: 16px;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 3px;
    font-weight: 600;
}

/* Responsive Rules */
@media (max-width: 1200px) {
    .container {
        padding: 0 40px;
    }
    .hero-content h1 {
        font-size: 60px;
    }
    .hero-content h1 span {
        font-size: 45px;
    }
}

@media (max-width: 991px) {
    .section {
        padding: 80px 0;
    }
    .split-section {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .image-mask-wrapper {
        max-width: 400px;
    }
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    .footer-grid .footer-col:last-child {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 16px;
    }
    .hamburger {
        display: block;
    }
    .nav-links {
        display: none;
    }
    .hero-content h1 {
        font-size: 44px;
    }
    .hero-content h1 span {
        font-size: 32px;
    }
    .hero-content p.desc {
        font-size: 18px;
    }
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }
    .hero-buttons .btn-cta, 
    .hero-buttons .btn-outline {
        width: 100%;
        text-align: center;
    }
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .footer-grid .footer-col:last-child {
        grid-column: span 1;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    .section-title-wrapper h2 {
        font-size: 36px;
    }
}