:root {
    --primary-bg: #000000;
    --secondary-bg: #111111;
    --accent-color: #5f14e0;
    --accent-hover: #4c10b3;
    --text-primary: #F0F2F5;
    --text-secondary: #A0AEC0;
    --border-color: #2D3748;
    --grid-color: rgba(95, 20, 224, 0.15);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-color) #080808;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--primary-bg);
    color: var(--text-secondary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

#loading-bar-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    z-index: 9999;
    background-color: transparent;
    transition: opacity 0.5s ease-out;
}

#loading-bar {
    width: 0;
    height: 100%;
    background-color: var(--accent-color);
    border-radius: 0 2px 2px 0;
    box-shadow: 0 0 10px var(--accent-color), 0 0 5px var(--accent-color);
    transition: width 1.2s cubic-bezier(0.25, 1, 0.5, 1);
}

#loading-bar-container.hidden {
    opacity: 0;
    pointer-events: none;
}


@keyframes animated-gradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #080808;
}

::-webkit-scrollbar-thumb {
    border-radius: 10px;
    background: linear-gradient(
        -45deg, 
        var(--accent-hover), 
        var(--accent-color), 
        #7c3aed, 
        var(--accent-hover)
    );
    background-size: 400% 400%;
    animation: animated-gradient 8s ease infinite;
    box-shadow: 0 0 8px rgba(95, 20, 224, 0.5);
    transition: all 0.3s ease-in-out;
}

::-webkit-scrollbar-thumb:hover {
    box-shadow: 0 0 20px rgba(124, 58, 237, 0.8);
    animation-duration: 4s;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(to right, var(--grid-color) 1px, transparent 1px),
        linear-gradient(to bottom, var(--grid-color) 1px, transparent 1px);
    background-size: 70px 70px;
    z-index: -3;
    pointer-events: none;
    opacity: 0.5;
}

.section-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    opacity: 0;
    transition: opacity 1.2s ease-out;
    pointer-events: none;
}

.section-bg.active {
    opacity: 1;
}

#hero-bg {
    background: radial-gradient(circle at 30% 50%, rgba(56, 16, 197, 0.192) 0%, rgba(0, 0, 0, 0) 60%),
                radial-gradient(circle at 70% 30%, rgba(95, 20, 224, 0.15) 0%, rgba(0, 0, 0, 0) 50%);
}

#about-bg {
    background: linear-gradient(135deg, rgba(17, 17, 17, 0.9) 0%, rgba(0, 0, 0, 0.9) 100%),
                url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0,0 L100,0 L100,100 Q50,80 0,100 Z" fill="rgba(95, 20, 224, 0.05)"/></svg>') bottom left/100% 30% no-repeat;
}

#portfolio-bg {
    background: 
        linear-gradient(to right, rgba(17, 17, 17, 0.9) 0%, rgba(0, 0, 0, 0.9) 100%),
        url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 200" preserveAspectRatio="none"><path d="M0,0 L200,200 L0,200 Z" fill="rgba(95, 20, 224, 0.03)"/></svg>') top right/40% 40% no-repeat;
}

#faq-bg {
    background: 
        linear-gradient(to bottom, rgba(17, 17, 17, 0.9) 0%, rgba(0, 0, 0, 0.9) 100%),
        url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 200"><circle cx="100" cy="100" r="80" fill="rgba(95, 20, 224, 0.04)"/></svg>') center/80% 80% no-repeat;
}

#orcamento-bg {
    background: radial-gradient(circle at 50% 100%, rgba(95, 20, 224, 0.08) 0%, rgba(0, 0, 0, 0) 50%);
}

#quote-bg {
    background: linear-gradient(45deg, rgba(17, 17, 17, 0.95) 0%, rgba(0, 0, 0, 0.95) 100%),
                url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0,50 Q25,30 50,50 T100,50" stroke="rgba(95, 20, 224, 0.1)" stroke-width="1" fill="none"/></svg>') center/100% 100% no-repeat;
}

#contact-bg {
    background: linear-gradient(to top, rgba(17, 17, 17, 0.95) 0%, rgba(0, 0, 0, 0.95) 100%),
                url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><rect x="10" y="10" width="80" height="80" stroke="rgba(95, 20, 224, 0.08)" stroke-width="1" fill="none"/></svg>') center/30% 30% no-repeat;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 600;
    line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); margin-bottom: 1.5rem; }
h2 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 1rem; }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); margin-bottom: 1rem; }
p { margin-bottom: 1.5rem; font-weight: 400; color: var(--text-secondary); }
a { color: var(--accent-color); text-decoration: none; }

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    position: relative;
    z-index: 2;
}

.section {
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.section::before {
    content: '';
    position: absolute;
    z-index: -1;
    border-radius: 50%;
    pointer-events: none;
    filter: blur(200px);
    opacity: 0.12;
}

.hero::before {
    width: 800px;
    height: 800px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, var(--accent-hover) 0%, rgba(95, 20, 224, 0) 65%);
    opacity: 0.18;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--accent-color);
    border-radius: 3px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-top: 1rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    text-align: center;
    cursor: pointer;
    border: 1px solid transparent;
    font-size: 0.9rem;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background-color: var(--accent-color);
    color: var(--text-primary);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-3px);
    box-shadow: 0 7px 20px rgba(0,0,0,0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text-secondary);
    border-color: var(--border-color);
}

.btn-secondary:hover {
    background: var(--accent-color);
    color: var(--text-primary);
    border-color: var(--accent-color);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(95, 20, 224, 0.2);
}

@keyframes pulse-glow {
    0% { box-shadow: 0 0 15px rgba(95, 20, 224, 0.4), 0 5px 15px rgba(0,0,0,0.2); }
    50% { box-shadow: 0 0 25px rgba(95, 20, 224, 0.7), 0 8px 20px rgba(0,0,0,0.3); }
    100% { box-shadow: 0 0 15px rgba(95, 20, 224, 0.4), 0 5px 15px rgba(0,0,0,0.2); }
}

@keyframes hero-quote-pulse {
    0% {
        border-color: rgba(255, 255, 255, 0.2);
        box-shadow: 0 0 10px rgba(95, 20, 224, 0.2);
    }
    50% {
        border-color: rgba(255, 255, 255, 0.4);
        box-shadow: 0 0 20px rgba(95, 20, 224, 0.4);
    }
    100% {
        border-color: rgba(255, 255, 255, 0.2);
        box-shadow: 0 0 10px rgba(95, 20, 224, 0.2);
    }
}

.btn-quote-special {
    padding: 1rem 2.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    background: linear-gradient(45deg, var(--accent-color), #7c3aed);
    position: relative;
    z-index: 1;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    animation: pulse-glow 3s infinite ease-in-out;
}

.btn-quote-special:hover {
    transform: translateY(-5px) scale(1.03);
    animation-play-state: paused;
    box-shadow: 0 15px 35px rgba(95, 20, 224, 0.5), 0 8px 20px rgba(0,0,0,0.3);
}

.hero-actions .btn {
    padding: 1rem 2.5rem;
    font-size: 1rem;
    letter-spacing: 1.5px;
    will-change: transform, box-shadow;
}

.hero-actions .btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: -150%;
    width: 100%;
    height: 100%;
    transform: skewX(-25deg);
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    transition: left 0.7s ease-in-out;
}

.hero-actions .btn:hover::after {
    left: 150%;
}

.hero-actions .btn-primary {
    background: linear-gradient(45deg, var(--accent-color), var(--accent-hover));
    border: none;
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2), 0 5px 10px rgba(95, 20, 224, 0.25);
}

.hero-actions .btn-primary:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.3), 0 8px 15px rgba(95, 20, 224, 0.4);
}

.hero-actions .btn-quote-special {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: hero-quote-pulse 2.5s infinite ease-in-out;
    box-shadow: none;
}

.hero-actions .btn-quote-special:hover {
    transform: translateY(-4px) scale(1.02);
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-color);
    box-shadow: 0 0 20px rgba(95, 20, 224, 0.5);
    animation-play-state: paused;
}

.hero-actions > a,
.hero-actions > button {
    width: 295px;
    font-weight: 600 !important;
    letter-spacing: 1.5px !important;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: all 0.4s ease;
}

.header.scrolled {
    padding: 1rem 0;
    background: transparent;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border-color);
}

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

.logo { 
    display: flex; 
    align-items: center;
    padding-top: 8px;
    z-index: 1002;
}
.logo img { max-height: 65px; transition: transform 0.3s ease; }
.logo img:hover { transform: scale(1.05); }

.menu-toggle { 
    display: block; 
    background: none; 
    border: none; 
    cursor: pointer; 
    padding: 0.5rem; 
    z-index: 1001; 
    position: relative;
    width: 40px;
    height: 30px;
}

.hamburger { 
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 30px; 
    height: 2px; 
    background: var(--text-primary); 
    transition: all 0.3s ease; 
}

.hamburger::before, .hamburger::after { 
    content: ''; 
    position: absolute; 
    width: 100%; 
    height: 100%; 
    background: var(--text-primary); 
    left: 0; 
    transition: all 0.3s ease; 
}

.hamburger::before { top: -8px; }
.hamburger::after { top: 8px; }

.menu-toggle.active .hamburger { background: transparent; }
.menu-toggle.active .hamburger::before { transform: rotate(45deg); top: 0; }
.menu-toggle.active .hamburger::after { transform: rotate(-45deg); top: 0; }

.navigation {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background: var(--secondary-bg);
    padding: 6rem 2rem 2rem;
    transition: right 0.4s ease;
    box-shadow: -5px 0 15px rgba(0,0,0,0.2);
}

.navigation.active { right: 0; }

.navigation ul {
    display: flex;
    flex-direction: column;
    list-style: none;
}

.navigation ul li { margin: 1rem 0; }

.nav-link { 
    color: var(--text-secondary); 
    font-weight: 500; 
    position: relative; 
    padding: 0.5rem 0; 
    transition: color 0.3s ease, transform 0.3s ease; 
}

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

.nav-link:hover { 
    color: var(--text-primary); 
    transform: translateY(-2px); 
}

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

.desktop-nav { display: none; }

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.hero-content {
    max-width: 700px;
    text-align: center;
    margin: 0 auto;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 2.5rem;
}

.hero-title { font-weight: 700; }
.hero-subtitle { font-size: 1.2rem; margin-bottom: 2rem; }

.about-content { 
    display: flex; 
    justify-content: center; 
    align-items: center; 
    gap: 3rem; 
}

.about-text { 
    flex: 1; 
    max-width: 800px; 
    text-align: center; 
}

#about-text-animation {
    transform-origin: 0% 50%;
    will-change: transform;
}

#about-text-animation .word {
    display: inline-block;
    opacity: 0.1;
    filter: blur(4px);
    will-change: opacity, filter;
}

.stats-grid { 
    display: grid; 
    grid-template-columns: repeat(2, 1fr); 
    gap: 1.5rem; 
    margin-top: 3rem; 
    max-width: 500px; 
    margin-left: auto; 
    margin-right: auto; 
}

.stat-item { 
    text-align: center; 
    padding: 1.5rem; 
    background: var(--secondary-bg); 
    border-radius: 10px; 
    border: 1px solid var(--border-color); 
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 65%, rgba(95, 20, 224, 0.1) 100%);
    z-index: 0;
}

.stat-number { 
    font-size: 2.5rem; 
    font-weight: 700; 
    color: var(--accent-color); 
    margin-bottom: 0.5rem; 
    position: relative;
}

.stat-label { 
    font-size: 0.9rem; 
    color: var(--text-secondary); 
    position: relative;
}

.portfolio-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); 
    gap: 2.5rem; 
}

.portfolio-card {
    background: var(--secondary-bg);
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
    height: 450px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    transition: box-shadow 0.4s ease;
}

.portfolio-card:hover {
    box-shadow: 0 20px 40px rgba(0,0,0,0.6), 0 0 40px rgba(95, 20, 224, 0.2);
}

.portfolio-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 16px;
    border: 2px solid transparent;
    background: conic-gradient(from 180deg at 50% 50%, rgba(255, 255, 255, 0) 0%, var(--accent-color) 50%, rgba(255, 255, 255, 0) 100%) border-box;
    -webkit-mask:
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
    mask:
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    z-index: 1;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.portfolio-card:hover::before {
    opacity: 1;
}

.card-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

.card-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(17, 17, 17, 1) 10%, rgba(17, 17, 17, 0.8) 30%, transparent 60%);
    opacity: 0.8;
    transition: opacity 0.4s ease;
}

.portfolio-card:hover .card-image::after {
    opacity: 1;
}

.card-content {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem;
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    color: var(--text-primary);
    transform: translateY(calc(100% - 100px));
    transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.portfolio-card:hover .card-content {
    transform: translateY(0);
}

.card-content h3 {
    margin: 0 0 0.5rem;
    font-size: 1.5rem;
}

.card-content .card-description {
    color: var(--text-secondary);
    margin: 0 0 1rem;
    font-size: 0.95rem;
    line-height: 1.5;
    opacity: 0;
    transition: opacity 0.4s ease 0.1s;
}

.portfolio-card:hover .card-description {
    opacity: 1;
}

.tools-used {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
    opacity: 0;
    transition: opacity 0.4s ease 0.2s;
}

.portfolio-card:hover .tools-used {
    opacity: 1;
}

.tool-tag {
    background-color: rgba(45, 55, 72, 0.5);
    color: var(--text-secondary);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.card-content .btn-secondary {
    margin-top: 0;
    width: 100%;
    opacity: 0;
    transition: opacity 0.4s ease 0.3s;
}

.card-content .btn-secondary span {
    transition: all 0.3s ease;
}

.portfolio-card:hover .btn-secondary {
    opacity: 1;
}

.faq-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 5rem;
    align-items: flex-start;
}

.faq-contact-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-top: -4rem;
}

.faq-contact-col h2 {
    margin-bottom: 1rem;
}

.faq-contact-col p {
    max-width: 350px;
}

.circular-contact {
    display: inline-block;
    margin-top: 2rem;
    text-decoration: none;
}

.circular-text-container {
    position: relative;
    width: 220px;
    height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.circular-contact:hover .circular-text-container {
    transform: scale(1.05);
}

.circular-text-container svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    animation: spin 20s linear infinite;
    transition: animation-duration 0.4s ease;
}

.circular-contact:hover .circular-text-container svg {
    animation-duration: 8s;
}

.circular-text-container text {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    fill: var(--text-secondary);
    transition: fill 0.3s ease;
}

.circular-contact:hover .circular-text-container text {
    fill: var(--text-primary);
}

.circular-text-container .logo-center {
    width: 85px;
    height: auto;
    transition: transform 0.4s ease;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.whatsapp-prompt {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 1.5rem;
    padding: 8px 16px;
    background-color: rgba(45, 55, 72, 0.2);
    border-radius: 50px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.whatsapp-prompt span {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
    margin: 0;
    padding: 0;
}
.circular-contact:hover .whatsapp-prompt {
    background-color: rgba(45, 55, 72, 0.5);
    border-color: var(--accent-color);
}
.circular-contact:hover .whatsapp-prompt span {
    color: var(--text-primary);
}


.faq-accordion-col {
    padding-top: 3rem;
}

.faq-item {
    border-bottom: 1px solid var(--border-color);
}
.faq-item:last-child {
    border-bottom: none;
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    text-align: left;
    background: none;
    border: none;
    cursor: pointer;
    padding: 2rem 0;
    gap: 1.5rem;
}

.faq-question span {
    color: var(--accent-color);
    font-weight: 600;
    font-size: 1.1rem;
}

.faq-question p {
    margin: 0;
    flex-grow: 1;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 1.2rem;
    transition: color 0.3s ease;
    min-width: 0;
}
.faq-question:hover p {
    color: var(--accent-color);
}

.faq-icon {
    width: 18px;
    height: 18px;
    position: relative;
    transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
    flex-shrink: 0;
}
.faq-icon::before, .faq-icon::after {
    content: '';
    position: absolute;
    background-color: var(--accent-color);
    transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.faq-icon::before {
    top: 50%;
    left: 0;
    width: 100%;
    height: 2px;
    transform: translateY(-50%);
}
.faq-icon::after {
    top: 0;
    left: 50%;
    width: 2px;
    height: 100%;
    transform: translateX(-50%);
}

.faq-item.active .faq-icon {
    transform: rotate(135deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease-in-out, padding 0.5s ease-in-out;
    padding: 0 2.5rem 0 4.5rem;
}
.faq-answer p {
    color: var(--text-secondary);
    margin-bottom: 0;
    line-height: 1.7;
}
.faq-item.active .faq-answer {
    max-height: 300px;
    padding: 0 2.5rem 2rem 4.5rem;
}

.quote-section {
    padding: 8rem 0;
    text-align: center;
    position: relative;
}

.quote-content {
    max-width: 850px;
    margin: 0 auto;
    position: relative;
}

#quote-text {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 1.5rem;
    position: relative;
}

#quote-text::before, #quote-text::after {
    content: '"';
    color: var(--accent-color);
    font-size: 3rem;
    line-height: 0;
    position: absolute;
    opacity: 0.5;
}

#quote-text::before {
    top: -20px;
    left: -30px;
}

#quote-text::after {
    bottom: -40px;
    right: -30px;
}

#quote-author {
    display: block;
    font-style: normal;
    font-size: 1rem;
    color: var(--text-secondary);
    margin-top: 2rem;
}

.footer { 
    background: var(--secondary-bg); 
    padding: 5rem 0 0; 
    position: relative; 
    border-top: 1px solid var(--border-color); 
}

.footer-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); 
    gap: 2rem; 
    margin-bottom: 3rem; 
}

.footer-col h3 { 
    margin-bottom: 1.5rem; 
    font-size: 1.3rem; 
}

.footer-col ul { 
    list-style: none; 
}

.footer-col ul li { 
    margin-bottom: 0.8rem; 
}

.footer-col ul li a { 
    color: var(--text-secondary); 
    transition: color 0.3s; 
}

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

.footer-col ul li img { 
    margin-right: 0.5rem; 
    width: 20px; 
    height: 20px;
    vertical-align: middle;
}

.social-links { 
    display: flex; 
    gap: 1rem; 
    margin-top: 1.5rem; 
}

.social-links a { 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    width: 40px; 
    height: 40px; 
    border-radius: 50%; 
    background: rgba(45, 55, 72, 0.5); 
    border: 1px solid var(--border-color); 
    color: var(--text-secondary); 
    transition: all 0.3s ease; 
}

.social-links a:hover { 
    background: var(--accent-color); 
    color: var(--primary-bg); 
    transform: translateY(-3px); 
    border-color: var(--accent-color); 
}

.social-links a img {
    width: 18px;
    height: 18px;
}

.footer-bottom { 
    text-align: center; 
    padding: 2rem 0; 
    border-top: 1px solid var(--border-color); 
}

.logo-animation {
    opacity: 0;
    transform: translateY(-40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.logo-animation.visible {
    opacity: 1;
    transform: translateY(0);
}

.light-inside-text {
    background: linear-gradient(90deg, var(--text-secondary) 30%, var(--text-primary) 50%, var(--text-secondary) 70%);
    background-size: 300% 100%;
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    animation: text-shine 5s linear infinite;
    animation-delay: 1s;
}

@keyframes text-shine {
    from { background-position: 150% 0; }
    to { background-position: -150% 0; }
}

.animated-element {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.animated-element.visible {
    opacity: 1;
    transform: translateY(0);
}

.custom-icon {
    width: 24px;
    height: 24px;
    vertical-align: middle;
    margin-right: 8px;
    transition: filter 0.3s ease;
    filter: invert(61%) sepia(12%) saturate(961%) hue-rotate(178deg) brightness(91%) contrast(87%);
}

.btn-secondary:hover .custom-icon {
    filter: brightness(0) invert(1);
}

.footer-col ul li img,
.social-links a img,
.device-toggle-btn img {
    filter: brightness(0) invert(1);
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0s 0.4s linear;
}

.modal-overlay.visible {
    opacity: 1;
    visibility: visible;
    transition: opacity 0.4s ease;
}

.modal-content {
    background: linear-gradient(145deg, #1a1a1a, #101010);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    width: 90%;
    max-width: 1400px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0,0,0,0.6);
    transform: translateY(-20px) scale(0.98);
    opacity: 0;
    transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.4s ease;
}

.modal-overlay.visible .modal-content {
    transform: translateY(0) scale(1);
    opacity: 1;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.modal-title {
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 600;
}

.close-modal-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 2rem;
    font-weight: 300;
    cursor: pointer;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    line-height: 1;
}

.close-modal-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
    transform: scale(1.1);
}

.modal-body {
    padding: 2rem;
    overflow-y: auto;
}

.modal-body-improved {
    display: flex;
    flex-grow: 1;
    overflow: hidden;
    padding: 1.5rem;
    gap: 1.5rem;
    transition: gap 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.modal-content.details-collapsed .modal-body-improved {
    gap: 0;
}

.modal-preview-pane {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    align-items: center;
    justify-content: center;
    transition: all 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
    position: relative;
}

.preview-controls {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-shrink: 0;
}

.device-toggle-btn {
    background-color: rgba(45, 55, 72, 0.5);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.5rem;
    border-radius: 50px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    width: 44px;
    height: 44px;
    justify-content: center;
}

.device-toggle-btn:hover {
    background-color: rgba(45, 55, 72, 0.8);
    color: var(--text-primary);
}

.device-toggle-btn.active {
    background-color: var(--accent-color);
    color: var(--text-primary);
    border-color: var(--accent-color);
    box-shadow: 0 0 10px rgba(95, 20, 224, 0.4);
}

.device-toggle-btn img {
    width: 20px;
    height: 20px;
}

.iframe-container {
    flex-grow: 1;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    margin: 0 auto;
    width: 100%;
    height: 100%;
    transition: all 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.iframe-container.mobile-view {
    width: 414px;
    height: 100%;
    max-height: 896px;
    max-width: 100%;
    border-radius: 40px;
    border: 12px solid #1a1a1a;
    box-shadow: 0 20px 50px rgba(0,0,0,0.6), inset 0 0 0 2px var(--border-color), inset 0 0 15px rgba(0,0,0,0.5);
}

.modal-preview-pane iframe {
    width: 100%;
    height: 100%;
    border: none;
    background-color: #fff;
    border-radius: inherit;
}

.modal-details-pane {
    flex: 0 0 350px;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    overflow-y: auto;
    padding: 1.5rem;
    background-color: rgba(0,0,0,0.2);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
    transform: translateX(0);
}

.modal-content.details-collapsed .modal-details-pane {
    flex-basis: 0;
    width: 0;
    padding: 0;
    opacity: 0;
    transform: translateX(50px);
    overflow: hidden;
    border: none;
}

.modal-details-pane h4 {
    font-size: 1.75rem;
    color: var(--text-primary);
}

.modal-details-pane p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
}

.modal-details-pane h5 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-top: 1rem;
    margin-bottom: 0;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
}

#modal-details-tools .tool-tag {
    background-color: var(--primary-bg);
}

.modal-actions {
    margin-top: auto;
    padding-top: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.modal-actions .btn-quote-special {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.modal-content:not(.details-collapsed) .modal-actions .btn-quote-special {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.2s;
}

.modal-floating-actions {
    position: absolute;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 10;
}

.modal-floating-actions .btn-quote-special {
    font-size: 0.9rem;
    padding: 0.8rem 1.5rem;
    opacity: 0;
    transform: scale(0.5) translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.modal-content.details-collapsed .modal-floating-actions .btn-quote-special {
    opacity: 1;
    transform: scale(1) translateY(0);
    transition-delay: 0.3s;
}

#fast-quote-form .form-group {
    margin-bottom: 1.5rem;
}

#fast-quote-form .form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.9rem;
}

#fast-quote-form .form-group input,
#fast-quote-form .custom-select-container .select-selected {
    width: 100%;
    padding: 0.9rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: #0A0A0A;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s, box-shadow 0.3s;
}

#fast-quote-form .form-group input::placeholder {
    color: #555;
}

#fast-quote-form .form-group input:focus,
#fast-quote-form .custom-select-container .select-selected:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(95, 20, 224, 0.3);
}

#fast-quote-form .form-group.invalid input,
#fast-quote-form .form-group.invalid .select-selected {
    border-color: #e53e3e;
}

.btn-submit {
    width: 100%;
    padding: 1rem;
    border: none;
    border-radius: 8px;
    background: var(--accent-color);
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.btn-submit:hover {
    background: var(--accent-hover);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(95, 20, 224, 0.2);
}

.btn-submit svg {
    transition: transform 0.3s ease;
}

.btn-submit:hover svg {
    transform: translateX(4px);
}

.custom-select-container {
    position: relative;
}

.select-selected {
    cursor: pointer;
    position: relative;
    user-select: none;
}

.select-selected::after {
    content: '';
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
    width: 8px;
    height: 8px;
    border-bottom: 2px solid var(--text-secondary);
    border-right: 2px solid var(--text-secondary);
    transition: transform 0.3s ease;
}

.custom-select-container.open .select-selected::after {
    transform: translateY(-25%) rotate(225deg);
}

.select-items {
    position: absolute;
    background-color: var(--secondary-bg);
    top: calc(100% + 5px);
    left: 0;
    right: 0;
    z-index: 99;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    display: none;
    max-height: 200px;
    overflow-y: auto;
}

.custom-select-container.open .select-items {
    display: block;
}

.select-items div {
    color: var(--text-secondary);
    padding: 0.8rem 1rem;
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s;
}

.select-items div:hover, .select-items div.same-as-selected {
    background-color: var(--accent-hover);
    color: var(--text-primary);
}

.language-switcher {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 1001;
}

.lang-toggle-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background-color: var(--secondary-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.lang-toggle-btn:hover {
    transform: translateY(-3px) scale(1.05);
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    box-shadow: 0 8px 25px rgba(95, 20, 224, 0.4);
}

.lang-toggle-btn .globe-icon {
    transition: transform 0.4s ease;
}

.language-switcher.active .lang-toggle-btn .globe-icon {
    transform: rotate(360deg);
}

.lang-options {
    position: absolute;
    bottom: calc(100% + 1rem);
    right: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

.language-switcher.active .lang-options {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem;
    background-color: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
    position: relative;
    width: 50px;
    height: 50px;
}

.lang-option:hover {
    background-color: var(--accent-hover);
    border-color: var(--accent-color);
    transform: translateX(-5px);
}

.lang-option .flag-icon {
    width: 28px;
    height: auto;
    border-radius: 3px;
    flex-shrink: 0;
    object-fit: cover;
}

.info-tooltip {
    position: absolute;
    right: 5px;
    top: 5px;
    display: flex;
    align-items: center;
    color: var(--text-secondary);
}

.info-tooltip svg {
    transition: color 0.3s ease;
    width: 14px;
    height: 14px;
}

.lang-option:hover .info-tooltip {
    color: var(--text-primary);
}

.tooltip-text {
    position: absolute;
    bottom: calc(100% + 10px);
    left: 50%;
    background-color: var(--secondary-bg);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 500;
    white-space: normal;
    text-align: center;
    width: 160px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    border: 1px solid var(--border-color);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, transform 0.3s ease;
    transform-origin: bottom center;
    pointer-events: none;
    transform: translate(-50%, 5px);
}

.info-tooltip:hover .tooltip-text {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, 0);
}

@media (min-width: 769px) {
    .header .container {
        display: grid;
        grid-template-columns: 1fr auto 1fr;
        align-items: center;
    }
    .logo {
        grid-column: 2;
        padding: 0 2rem;
    }
    .navigation, .header-right {
        display: none;
    }
    .desktop-nav {
        display: flex;
        align-items: center;
    }
    .desktop-nav:first-of-type {
        grid-column: 1;
        justify-content: flex-end;
    }
    .desktop-nav:last-of-type {
        grid-column: 3;
        justify-content: flex-start;
    }
    .desktop-nav ul {
        display: flex;
        list-style: none;
    }
    .desktop-nav ul li {
        margin: 0 1rem;
    }
    .menu-toggle {
        display: none;
    }
}

@media (max-width: 992px) {
    .faq-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .modal-body-improved {
        flex-direction: column;
        overflow-y: auto;
    }
    .modal-preview-pane {
        min-height: 50vh;
    }
    .modal-details-pane {
        flex-basis: auto;
        width: auto;
        transform: none;
        transition: all 0.4s ease;
    }
    .modal-content.details-collapsed .modal-details-pane {
         height: 0;
         padding: 0;
         margin: 0;
         transform: none;
         opacity: 0;
    }
}

@media (max-width: 768px) {
    .header-right {
        display: block;
    }
    .section { 
        padding: 4rem 0; 
    }
    .section-header {
        margin-bottom: 3rem;
    }

    .container {
        padding: 0 1rem;
    }

    .about-content { 
        flex-direction: column; 
    }

    .portfolio-grid { 
        grid-template-columns: 1fr; 
        gap: 2rem;
    }
    
    .portfolio-card {
        height: auto;
        display: block;
    }
    .portfolio-card:hover::before {
        opacity: 0;
    }
    .card-image {
        position: relative;
        height: 250px;
    }
    .card-image::after {
        background: linear-gradient(to top, rgba(17, 17, 17, 1) 0%, rgba(17, 17, 17, 0.9) 25%, transparent 60%);
        opacity: 1;
    }
    .card-content {
        position: relative;
        transform: translateY(0);
        background: var(--secondary-bg);
        justify-content: flex-start;
        padding-top: 1rem;
    }
    .card-content .card-description,
    .card-content .tools-used,
    .card-content .btn-secondary {
        opacity: 1;
    }
    .card-content .btn-secondary {
        width: auto;
        align-self: flex-start;
    }
    .portfolio-card:hover .card-image img { transform: none; }

    .faq-layout {
        gap: 2rem;
    }
    .faq-question p {
        font-size: 1.1rem;
    }

    .quote-section {
        padding: 4rem 1rem;
    }
    #quote-text {
        font-size: clamp(1.3rem, 5vw, 1.8rem);
    }
    #quote-text::before { top: -15px; left: -10px; font-size: 2.5rem; }
    #quote-text::after { bottom: -25px; right: -10px; font-size: 2.5rem; }
    
    .footer-grid {
        text-align: center;
    }
    .footer-col {
        margin-bottom: 2rem;
    }
    .footer-col ul {
        padding-left: 0;
    }
    .footer-col ul li {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .social-links, .footer-col .btn-primary {
        justify-content: center;
    }

    #quote-modal .modal-content {
        max-width: 95%;
        max-height: 85vh;
    }
    
    #project-modal .modal-content {
        width: 100%;
        height: 100%;
        max-width: 100vw;
        max-height: 100vh;
        border-radius: 0;
        border: none;
        transform: none;
    }

    #project-modal .modal-body-improved {
        padding: 1rem 0.5rem;
    }

    #project-modal .modal-header {
        padding: 0.75rem 1rem;
    }
}

@media (max-width: 576px) {
    html {
        scroll-padding-top: 70px;
    }
    .section { 
        padding: 3rem 0; 
    }

    .header.scrolled {
        padding: 0.75rem 0;
    }

    .logo img {
        max-height: 50px;
    }
    
    .hero { 
        padding: 7rem 0 4rem 0; 
        min-height: 90vh;
    }
    .hero-title {
        font-size: clamp(2rem, 10vw, 2.8rem);
        line-height: 1.3;
    }
    .hero-subtitle {
        font-size: 1.1rem;
    }
    .hero-actions {
        gap: 1rem;
    }
    .hero-actions .btn, .hero-actions .btn-quote-special {
        width: 100%;
        padding: 1rem 1.5rem;
        font-size: 0.9rem;
    }

    .stats-grid { 
        grid-template-columns: 1fr; 
        gap: 1rem;
    }
    
    .faq-contact-col {
        margin-top: 0;
    }
    .circular-text-container {
        width: 190px;
        height: 190px;
    }
    .circular-text-container .logo-center {
        width: 75px;
    }
    .faq-accordion-col {
        padding-top: 1rem;
    }
    .faq-question {
        padding: 1.5rem 0;
        gap: 1rem;
    }
    .faq-question span {
        font-size: 1rem;
    }
    .faq-question p {
        font-size: 1rem;
    }
    .faq-answer {
        padding: 0 0.5rem 0 3rem;
    }
    .faq-item.active .faq-answer {
        padding: 0 0.5rem 1.5rem 3rem;
    }
    
    #quote-modal .modal-body {
        padding: 1.5rem 1rem;
    }

    .language-switcher {
        bottom: 1rem;
        right: 1rem;
    }
    .lang-toggle-btn {
        width: 50px;
        height: 50px;
    }
}