/* ==========================================================================
   CSS Variables (Theme & Design System)
   ========================================================================== */
:root {
    /* Color Palette - Flamaph Blue Edition */
    --clr-primary: #2C5A71; /* Flamaph Blue */
    --clr-primary-light: #4A89A7;
    --clr-primary-dark: #1B3846;

    --clr-accent: #2C5A71;
    
    --clr-bg-main: #F4F7F6;
    --clr-bg-alt: #F4F7F6;
    --clr-bg-dark: #121212; /* Deep Black */
    --clr-bg-footer: #1A1A1A;

    --clr-text-main: #1A1A1A;
    --clr-text-muted: #666666;
    --clr-text-light: #F4F7F6;
    --clr-text-on-dark: #E0E0E0;

    --clr-border: #EEEEEE;
    --clr-border-dark: #333333;

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 3rem;
    --space-xl: 6rem;

    /* Sizing & Layout */
    --container-max: 1280px;
    --header-height: 90px;

    /* Effects */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.12);

    --transition-fast: 0.2s ease;
    --transition-norm: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);

    --radius-sm: 2px; /* Sharper, more corporate edges */
    --radius-md: 4px;
    --radius-lg: 8px;
    --radius-full: 9999px;
}

/* ==========================================================================
   Base Reset
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: var(--font-body);
    color: var(--clr-text-main);
    background-color: var(--clr-bg-main);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

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

ul,
ol {
    list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    color: var(--clr-primary-dark);
    line-height: 1.2;
    margin-bottom: var(--space-sm);
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.section-padding {
    padding: var(--space-xl) 0;
}

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

.bg-light {
    background-color: var(--clr-bg-alt);
}

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

.bg-dark h1,
.bg-dark h2,
.bg-dark h3,
.bg-dark h4 {
    color: var(--clr-text-light);
}

.light-text {
    color: var(--clr-text-light);
}

.highlight {
    color: var(--clr-primary);
    position: relative;
    display: inline-block;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0;
    width: 100%;
    height: 8px;
    background-color: rgba(44, 90, 113, 0.15);
    /* Primary color low opacity */
    z-index: -1;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-family: var(--font-heading);
    cursor: pointer;
    transition: all var(--transition-norm);
    border: none;
}

.btn-primary {
    background-color: var(--clr-primary);
    color: var(--clr-text-light);
}

.btn-primary:hover {
    background-color: var(--clr-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--clr-text-light);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.header {
    height: var(--header-height);
    background-color: var(--clr-bg-main);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: box-shadow var(--transition-norm);
}

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

.header-container {
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.btn-header {
    font-size: 0.85rem;
    padding: 0.6rem 1.2rem;
}

/* Logo Setup */
.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-img {
    height: 55px;
    width: auto;
    display: block;
    transition: transform var(--transition-norm);
}

.logo:hover .logo-img {
    transform: scale(1.05);
}

.footer-logo-img {
    height: 70px;
}

.nav-list {
    display: flex;
    gap: var(--space-md);
}

.nav-link {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--clr-text-main);
    position: relative;
    padding: 0.5rem 0;
}

/* Hover Effect for Nav Links */
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--clr-primary);
    transition: width var(--transition-norm);
}

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

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

.mobile-menu-btn {
    display: none;
    /* Hidden on desktop */
    background: none;
    border: none;
    color: var(--clr-primary-dark);
    cursor: pointer;
}

/* Continue below for main sections... */

/* ==========================================================================
   Hero Section (Alquali Style)
   ========================================================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    overflow: hidden;
    color: var(--clr-text-light);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(0,0,0,0.7) 20%, rgba(0,0,0,0.3) 100%);
    z-index: 1;
}

.hero-video-container {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-container {
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 800px;
}

.hero-subtitle {
    display: block;
    font-family: var(--font-heading);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--space-sm);
    color: var(--clr-primary-light);
    font-size: 0.9rem;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    color: var(--clr-text-light);
}

.hero-title .highlight {
    color: var(--clr-primary);
}

.hero-title .highlight::after {
    display: none; /* Remove old underline effect */
}

.hero-btns {
    display: flex;
    gap: var(--space-sm);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--clr-text-light);
    color: var(--clr-text-light);
}

.btn-outline:hover {
    background: var(--clr-text-light);
    color: var(--clr-bg-dark);
}

/* ==========================================================================
   Identity Section (Somos Flamaph)
   ========================================================================== */
.identity-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

.identity-card {
    background: var(--clr-bg-main);
    padding: var(--space-lg);
    border-radius: var(--radius-sm);
    transition: transform var(--transition-norm), box-shadow var(--transition-norm);
    border: 1px solid var(--clr-border);
    position: relative;
    overflow: hidden;
    text-align: center;
}

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

.identity-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 4px;
    background: var(--clr-primary);
    transition: width var(--transition-norm);
}

.identity-card:hover::after {
    width: 100%;
}

.identity-card .card-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--space-md);
    color: var(--clr-primary);
    display: flex;
    justify-content: center;
    align-items: center;
}

.identity-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ==========================================================================
   Journey Section (Nossa Jornada)
   ========================================================================== */
.journey-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.journey-text p {
    margin-bottom: var(--space-md);
    font-size: 1.1rem;
}

.image-stack {
    position: relative;
    padding-bottom: 50px;
}

.img-large {
    width: 80%;
    height: auto;
    box-shadow: var(--shadow-lg);
}

.img-small {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 50%;
    height: auto;
    border: 8px solid var(--clr-bg-alt);
    box-shadow: var(--shadow-lg);
}

/* ==========================================================================
   Solutions Section (Nossas Soluções)
   ========================================================================== */
.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.solution-card {
    position: relative;
    overflow: hidden;
    height: 450px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--clr-border);
    transition: transform var(--transition-norm), box-shadow var(--transition-norm);
}

.solution-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.solution-img {
    width: 100%;
    height: 100%;
}

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

.solution-info {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 20%, transparent 80%);
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    color: var(--clr-text-light);
    transform: translateY(10px);
    transition: all var(--transition-norm);
}

.solution-card:hover .solution-img img {
    transform: scale(1.1);
}

.solution-card:hover .solution-info {
    transform: translateY(0);
}

.solution-info h3 {
    color: var(--clr-text-light);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.solution-info p {
    font-size: 0.95rem;
    opacity: 0.9;
}

/* ==========================================================================
   Portfolio Updates
   ========================================================================== */
.portfolio-filters {
    margin-bottom: var(--space-xl);
}

.filter-btn {
    background: transparent;
    border: 1px solid var(--clr-border);
    padding: 0.6rem 2rem;
    margin: 0 0.25rem;
    cursor: pointer;
    font-family: var(--font-heading);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    transition: all var(--transition-norm);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--clr-primary);
    border-color: var(--clr-primary);
    color: var(--clr-text-light);
}

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

/* ==========================================================================
   Partners Section & Carousel
   ========================================================================== */
.partners-carousel {
    width: 100%;
    overflow: hidden;
    position: relative;
    padding: var(--space-lg) 0;
    margin-top: var(--space-lg);
    background: var(--clr-bg-alt);
}

.partners-carousel::before,
.partners-carousel::after {
    content: "";
    height: 100%;
    position: absolute;
    width: 150px;
    z-index: 2;
    pointer-events: none;
}

.partners-carousel::before {
    left: 0;
    top: 0;
    background: linear-gradient(to right, var(--clr-bg-alt) 0%, transparent 100%);
}

.partners-carousel::after {
    right: 0;
    top: 0;
    background: linear-gradient(to left, var(--clr-bg-alt) 0%, transparent 100%);
}

.partners-track {
    display: flex;
    width: fit-content;
    animation: partner-scroll 40s linear infinite;
    will-change: transform;
}

.partner-logo {
    width: 250px;
    height: 100px;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0 var(--space-md);
    flex-shrink: 0;
}

.partner-logo img {
    max-width: 160px;
    max-height: 50px;
    width: auto;
    height: auto;
    filter: grayscale(1);
    opacity: 0.5;
    transition: all var(--transition-norm);
}

.partner-logo:hover img {
    filter: grayscale(0);
    opacity: 1;
    transform: scale(1.1);
}

@keyframes partner-scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* Pause on hover */
.partners-carousel:hover .partners-track {
    animation-play-state: paused;
}

/* ==========================================================================
   Portfolio Section
   ========================================================================== */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--space-sm);
}

.portfolio-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
}

.portfolio-img {
    height: 300px;
    width: 100%;
}

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

.portfolio-info {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: var(--space-md);
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: var(--clr-text-light);
    transform: translateY(20px);
    opacity: 0;
    transition: all var(--transition-norm);
}

.portfolio-info h4 {
    color: var(--clr-text-light);
    margin-bottom: 0.25rem;
}

.portfolio-info p {
    font-size: 0.9rem;
    opacity: 0.9;
}

.portfolio-item:hover .portfolio-img img {
    transform: scale(1.05);
}

.portfolio-item:hover .portfolio-info {
    transform: translateY(0);
    opacity: 1;
}


/* ==========================================================================
   Values & Mission Section
   ========================================================================== */
.values {
    background-color: var(--clr-bg-alt);
    position: relative;
    overflow: hidden;
}

.values::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 70%;
    height: 200%;
    background-color: rgba(44, 90, 113, 0.03);
    transform: rotate(15deg);
    z-index: 1;
}

.values-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    position: relative;
    z-index: 2;
}

.mission-box,
.values-list-box {
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    background-color: var(--clr-bg-main);
    border: 1px solid var(--clr-border);
}

.box-icon {
    width: 60px;
    height: 60px;
    background-color: var(--clr-primary);
    color: var(--clr-text-light);
    border-radius: var(--radius-md);
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: var(--space-md);
}

.box-title {
    font-size: 1.75rem;
    margin-bottom: var(--space-sm);
}

.box-text {
    color: var(--clr-text-muted);
}

.flex-wrap-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.flex-wrap-list li {
    flex: 1 1 calc(50% - var(--space-sm));
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    background-color: var(--clr-bg-alt);
    border-radius: var(--radius-sm);
    font-weight: 500;
}

.flex-wrap-list i {
    color: var(--clr-primary);
    width: 20px;
    height: 20px;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background-color: var(--clr-bg-dark);
    color: var(--clr-text-muted);
    /* Slightly lighter than main body muted text */
    padding-top: var(--space-xl);
}

.footer-container {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--space-xl);
    padding-bottom: var(--space-lg);
}

.footer-desc {
    margin-top: var(--space-sm);
    max-width: 400px;
}

.footer-title {
    color: var(--clr-text-light);
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
}

.contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: var(--space-sm);
}

.contact-list i {
    color: var(--clr-primary-light);
    margin-top: 4px;
}

.contact-list a:hover {
    color: var(--clr-text-light);
}

.footer-bottom {
    background-color: rgba(0, 0, 0, 0.2);
    padding: var(--space-sm) 0;
    text-align: center;
    font-size: 0.9rem;
}

/* ==========================================================================
   Animations & Interactions (Scroll Reveal)
   ========================================================================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

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

.reveal-delay {
    transition-delay: 0.2s;
}

/* Floating WhatsApp Button */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25d366;
    /* WhatsApp Green */
    color: var(--clr-text-light);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 10px rgba(37, 211, 102, 0.3);
    z-index: 1000;
    transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.whatsapp-float i {
    width: 35px;
    height: 35px;
}

.whatsapp-float:hover {
    transform: scale(1.1) translateY(-5px);
    background-color: #1ebe57;
    color: var(--clr-text-light);
}

/* ==========================================================================
   Responsive Design / Media Queries
   ========================================================================== */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-image {
        margin-top: var(--space-md);
    }

    .values-wrapper {
        grid-template-columns: 1fr;
    }

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

    .contact-list li {
        justify-content: center;
        text-align: left;
    }
}

@media (max-width: 768px) {
    .header-container {
        padding: 0 var(--space-sm);
    }

    .mobile-menu-btn {
        display: block;
        z-index: 1001;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--clr-bg-main);
        padding: var(--space-xl) var(--space-lg);
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        transition: right var(--transition-norm);
        z-index: 1000;
    }

    .nav.open {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        gap: var(--space-lg);
    }

    .nav-link {
        font-size: 1.25rem;
    }

    /* Body scroll lock when menu opens */
    body.menu-open {
        overflow: hidden;
    }

    /* Overlay for mobile menu */
    .menu-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.5);
        opacity: 0;
        visibility: hidden;
        transition: opacity var(--transition-norm);
        z-index: 999;
    }

    .menu-overlay.active {
        opacity: 1;
        visibility: visible;
    }

    .portfolio-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}