/* =========================================
   GLOBAL STYLES & VARIABLES
   ========================================= */
:root {
    --bg-color: #0b0b0b;
    --bg-light: #111111;
    --text-main: #fcfcfc;
    --text-muted: #888888;
    --accent: #ccff00;
    --accent-hover: #b4e600;
    --glass-bg: rgba(255, 255, 255, 0.02);
    --glass-border: rgba(255, 255, 255, 0.05);
    --font-main: 'Inter', sans-serif;
    --transition-fast: 0.3s ease;
    --transition-slow: 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
    cursor: none; /* For custom cursor */
}

a {
    color: inherit;
    text-decoration: none;
    cursor: none; /* Disable default pointer because custom cursor is used */
}

/* =========================================
   TYPOGRAPHY
   ========================================= */
h1, h2, h3, h4 {
    font-weight: 500;
    line-height: 1.1;
    letter-spacing: -0.03em;
}

h1 { font-size: clamp(3rem, 6vw, 5.5rem); }
h2 { font-size: clamp(2.5rem, 5vw, 4.5rem); }
h3 { font-size: 1.5rem; }

.section-title {
    margin-bottom: 3rem;
}

.section-title span {
    color: var(--text-muted);
}

.accent { color: var(--accent); }
.accent-link {
    color: var(--accent);
    position: relative;
    display: inline-block;
}
.accent-link::after {
    content: '';
    position: absolute;
    width: 100%;
    transform: scaleX(0);
    height: 1px;
    bottom: 0;
    left: 0;
    background-color: var(--accent);
    transform-origin: bottom right;
    transition: transform 0.25s ease-out;
}
.accent-link:hover::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}

/* =========================================
   LAYOUT & CONTAINERS
   ========================================= */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
}

section {
    padding: 150px 0;
    position: relative;
    z-index: 2;
}

/* =========================================
   COMPONENTS
   ========================================= */

/* Buttons */
.btn-primary, .btn-secondary, .btn-primary-small, button[type="submit"] {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 4px;
    font-weight: 500;
    transition: var(--transition-fast);
    border: none;
    outline: none;
    font-family: var(--font-main);
}

.btn-primary {
    background-color: var(--accent);
    color: #000;
}
.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-3px);
    box-shadow: 0 0 15px rgba(204, 255, 0, 0.4), 0 0 30px rgba(204, 255, 0, 0.1);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-main);
    border: 1px solid var(--glass-border);
}
.btn-secondary:hover {
    border-color: var(--text-main);
    background-color: var(--glass-bg);
}

.btn-primary-small {
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
    background-color: var(--accent);
    color: #000;
}
.btn-primary-small:hover {
    background-color: var(--accent-hover);
}

/* =========================================
   CUSTOM CURSOR (Desktop only)
   ========================================= */
.custom-cursor {
    width: 8px;
    height: 8px;
    background-color: var(--accent);
    border-radius: 50%;
    position: fixed;
    top: 0; left: 0;
    pointer-events: none;
    z-index: 10000;
    transform: translate(-50%, -50%);
    transition: width 0.2s, height 0.2s, background-color 0.2s;
    mix-blend-mode: difference;
}

.custom-cursor-follower {
    width: 40px;
    height: 40px;
    border: 1px solid var(--accent);
    border-radius: 50%;
    position: fixed;
    top: 0; left: 0;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: transform 0.1s ease-out, width 0.2s, height 0.2s;
    mix-blend-mode: difference;
}

/* Hover Overrides */
.cursor-hover .custom-cursor {
    width: 12px;
    height: 12px;
    background-color: transparent;
    border: 1px solid var(--accent);
}
.cursor-hover .custom-cursor-follower {
    width: 60px;
    height: 60px;
    background-color: rgba(204, 255, 0, 0.1);
}

.cursor-view .custom-cursor {
    opacity: 0;
}
.cursor-view .custom-cursor-follower {
    width: 90px;
    height: 90px;
    background-color: var(--accent) !important;
    border: none;
    mix-blend-mode: normal !important;
}
.cursor-view .custom-cursor-follower::after {
    content: "VIEW";
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    font-size: 0.8rem;
    font-weight: 700;
    color: #000;
    letter-spacing: 1px;
}
html[lang="sr"] .cursor-view .custom-cursor-follower::after {
    content: "PREGLED";
    font-size: 0.65rem;
}

/* Disable on mobile */
@media (max-width: 768px) {
    .custom-cursor, .custom-cursor-follower { display: none; }
    body, a { cursor: auto; }
}

/* =========================================
   LOADING SCREEN
   ========================================= */
#loader {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background-color: var(--bg-color);
    z-index: 99999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 1s ease-out, visibility 1s ease-out;
}
.project-client-logo {
    width: 220px;
    height: 80px;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    transition: var(--transition-fast);
}
#loader.hidden {
    opacity: 0;
    visibility: hidden;
}
.loader-logo {
    font-size: 3rem;
    font-weight: 500;
    letter-spacing: -2px;
    animation: pulse 1.5s infinite alternate;
}
@keyframes pulse {
    0% { opacity: 0.3; transform: scale(0.95); }
    100% { opacity: 1; transform: scale(1); }
}

/* =========================================
   CANVAS BACKGROUND
   ========================================= */
#bg-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 1; /* Below content */
    pointer-events: none;
    opacity: 0.6;
}

/* =========================================
   NAVIGATION
   ========================================= */
#navbar {
    position: fixed;
    top: 0; left: 0; width: 100%;
    padding: 1.5rem 0;
    z-index: 1000;
    transition: var(--transition-fast);
}
#navbar.scrolled {
    background: rgba(11, 11, 11, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 60px;
    display: block;
}
/* If image fails to load, fallback text style */
.logo {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -1px;
}

.lang-container {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--text-muted);
}
.lang-active {
    color: var(--text-main);
    font-weight: 600;
}
.lang-link {
    transition: var(--transition-fast);
}
.lang-link:hover {
    color: var(--accent);
}

.nav-links {
    display: flex;
    gap: 3rem;
    list-style: none;
}
.nav-link {
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: var(--transition-fast);
    position: relative;
    padding-bottom: 4px;
}
.nav-link::after {
    content: '';
    position: absolute;
    width: 100%;
    transform: scaleX(0);
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--accent);
    transform-origin: bottom right;
    transition: transform 0.3s ease-out;
}
.nav-link:hover::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}
.nav-link:hover {
    color: var(--text-main);
}

.hamburger {
    display: none;
    cursor: pointer;
}
.hamburger div {
    width: 25px;
    height: 2px;
    background-color: var(--text-main);
    margin: 5px;
    transition: all 0.3s ease;
}

/* Mobile Nav */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        right: -100%;
        top: 0;
        height: 100vh;
        width: 100%;
        background-color: var(--bg-color);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: 0.5s ease-in-out;
        z-index: 99;
    }
    .nav-links.active {
        right: 0;
    }
    .hamburger { display: block; z-index: 100; }
    .hamburger.active .line1 {
        transform: rotate(-45deg) translate(-5px, 5px);
    }
    .hamburger.active .line2 {
        transform: rotate(45deg) translate(-5px, -5px);
    }
    .btn-primary-small { display: none; } /* Hide button on mobile nav strictly, keep burger */
}

/* =========================================
   HERO SECTION
   ========================================= */
.hero-section {
    height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 5rem; /* offset for nav */
}
.hero-content {
    max-width: 900px;
}
.hero-large-logo {
    height: clamp(60px, 8vw, 120px);
    margin-bottom: 2rem;
    display: block;
    mix-blend-mode: screen;
    filter: invert(1);
    opacity: 0.9;
}
.hero-sub {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin: 2rem 0;
    max-width: 600px;
}
.hero-btns {
    display: flex;
    gap: 1rem;
    margin-bottom: 4rem;
}
.hero-trusted p {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: rgba(255, 255, 255, 0.4);
}

/* =========================================
   ABOUT SECTION
   ========================================= */
.about-text-container {
    max-width: 800px;
    margin-left: auto;
}
.about-text-container p {
    font-size: clamp(1.2rem, 3vw, 2rem);
    color: var(--text-muted);
    margin-bottom: 2rem;
}
.about-text-container p:first-child {
    color: var(--text-main);
}

/* =========================================
   SERVICES SECTION
   ========================================= */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}
.service-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 3rem 2rem;
    border-radius: 8px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: transform var(--transition-slow), background var(--transition-fast);
    transform-style: preserve-3d;
}
.service-card:hover {
    background: rgba(255, 255, 255, 0.05);
}
.service-icon {
    font-size: 0.85rem;
    color: var(--accent);
    margin-bottom: 2rem;
    font-weight: 600;
}
.service-card h3 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
    letter-spacing: 1px;
}
.service-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* =========================================
   PROJECTS SECTION
   ========================================= */
.projects-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 4rem;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 2rem;
}
.projects-header h2 { margin-bottom: 0; }
.section-subtext {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.projects-list {
    display: flex;
    flex-direction: column;
}
.projects-list:hover .project-item {
    opacity: 0.3;
    filter: blur(2px);
}
.projects-list .project-item:hover {
    opacity: 1;
    filter: blur(0);
}
.project-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 3rem 0;
    border-bottom: 1px solid var(--glass-border);
    position: relative;
    z-index: 10;
}
.project-item:hover {
    color: var(--text-main);
}
.project-info h3 {
    font-size: clamp(2rem, 4vw, 3.5rem);
    transition: var(--transition-fast);
}
.project-info p {
    color: var(--text-muted);
    margin-top: 0.5rem;
    font-size: 1rem;
}
.project-arrow {
    font-size: 2rem;
    font-weight: 300;
    transition: transform 0.4s ease;
}
.project-item:hover .project-info h3 {
    padding-left: 20px;
    color: var(--accent);
}
.project-item:hover .project-arrow {
    transform: rotate(45deg);
    color: var(--accent);
}

/* Static Project Logo logic */
.project-right {
    display: flex;
    align-items: center;
    gap: 2rem;
}
.project-client-logo {
    width: 280px;
    height: 100px;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    opacity: 0;
    transform: translateX(-20px);
    transition: var(--transition-slow);
    pointer-events: none;
}
.project-client-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}
.project-item:hover .project-client-logo {
    opacity: 1;
    transform: translateX(0);
}

@media (max-width: 900px) {
    .project-client-logo { display: none; }
}

/* =========================================
   INTERACTIVE SECTION
   ========================================= */
.interactive-section {
    padding: 200px 0;
    text-align: center;
    overflow: hidden;
}
.huge-text {
    font-size: clamp(2.5rem, 6vw, 6rem);
    line-height: 1;
    margin-bottom: 3rem;
}
.outline-text {
    color: transparent;
    -webkit-text-stroke: 1px var(--text-main);
    transition: var(--transition-fast);
}
.interactive-section:hover .outline-text {
    color: var(--text-main);
}
.interactive-desc {
    max-width: 600px;
    margin: 0 auto;
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* =========================================
   PROCESS SECTION
   ========================================= */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
}
.process-step {
    border-top: 1px solid var(--glass-border);
    padding-top: 2rem;
    position: relative;
}
.process-step::before {
    content: '';
    position: absolute;
    top: -1px; left: 0;
    width: 0;
    height: 1px;
    background-color: var(--accent);
    transition: width 0.8s ease;
}
.process-step:hover::before {
    width: 100%;
}
.step-num {
    font-family: monospace;
    color: var(--text-muted);
    margin-bottom: 1rem;
}
.step-content h3 {
    margin-bottom: 0.5rem;
}
.step-content p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* =========================================
   CTA SECTION
   ========================================= */
.cta-section {
    background-color: var(--accent);
    color: #000;
    padding: 100px 0;
}
.cta-section h2 { margin-bottom: 1rem; }
.cta-sub { opacity: 0.8; font-size: 1.2rem; margin-bottom: 2rem;}
.cta-section .btn-primary {
    background-color: #000;
    color: #fff;
}
.cta-section .btn-primary:hover {
    background-color: #222;
}

/* =========================================
   CONTACT SECTION
   ========================================= */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}
.contact-email {
    font-size: 1.2rem;
    color: var(--text-muted);
}
.contact-email a {
    font-size: 2rem;
    color: var(--text-main);
    display: block;
    margin-top: 0.5rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.form-group label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}
.form-group input, .form-group textarea {
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--glass-border);
    padding: 1rem 0;
    color: var(--text-main);
    font-family: var(--font-main);
    font-size: 1rem;
    transition: var(--transition-fast);
}
.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-bottom-color: var(--accent);
}

@media (max-width: 768px) {
    .contact-container { grid-template-columns: 1fr; }
}

/* =========================================
   FOOTER
   ========================================= */
.footer {
    border-top: 1px solid var(--glass-border);
    padding: 3rem 0;
}
.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.footer-logo {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -1px;
}
.footer-right p {
    color: var(--text-muted);
    font-size: 0.9rem;
    text-align: right;
}

/* =========================================
   ANIMATION & REVEAL CLASSES
   ========================================= */
.reveal-text, .reveal-fade {
    opacity: 0;
    transform: translateY(30px);
    transition: all 1s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.reveal-text.active, .reveal-fade.active {
    opacity: 1;
    transform: translateY(0);
}
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }

/* =========================================
   MAGIC TWEAKS
   ========================================= */
.noise-overlay {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.05;
    background: url('data:image/svg+xml;utf8,%3Csvg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg"%3E%3Cfilter id="noiseFilter"%3E%3CfeTurbulence type="fractalNoise" baseFrequency="0.8" numOctaves="3" stitchTiles="stitch"/%3E%3C/filter%3E%3Crect width="100%25" height="100%25" filter="url(%23noiseFilter)"/%3E%3C/svg%3E');
}

.marquee-section {
    width: 100%;
    overflow: hidden;
    padding: 0.5rem 0;
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
    background-color: var(--bg-light);
    white-space: nowrap;
    position: relative;
    z-index: 5;
}
.marquee-content {
    display: inline-block;
    font-size: 0.70rem;
    font-weight: 500;
    letter-spacing: 2px;
    animation: marqueePlay 25s linear infinite;
    color: var(--text-muted);
    opacity: 0.5;
}
.marquee-content span {
    margin-right: 1.5rem;
    vertical-align: middle;
}
.marquee-logo {
    height: 14px;
    vertical-align: middle;
    margin-right: 1.5rem;
    opacity: 0.5;
}
@keyframes marqueePlay {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}