/* ===== CSS RESET & VARIABLES ===== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --bg-primary: #05060f;
    --bg-secondary: #0a0b1a;
    --bg-card: rgba(15, 17, 40, 0.6);
    --bg-card-hover: rgba(20, 24, 60, 0.8);

    --text-primary: #e8eaf6;
    --text-secondary: #8b8fad;
    --text-muted: #545780;

    --neon-blue: #00b4ff;
    --neon-cyan: #00e5ff;
    --neon-purple: #a855f7;
    --neon-magenta: #d946ef;

    --gradient-main: linear-gradient(135deg, var(--neon-blue), var(--neon-cyan));
    --gradient-accent: linear-gradient(135deg, var(--neon-purple), var(--neon-magenta));
    --gradient-mixed: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));

    --glow-blue: 0 0 20px rgba(0, 180, 255, 0.3);
    --glow-purple: 0 0 20px rgba(168, 85, 247, 0.3);
    --glow-cyan: 0 0 20px rgba(0, 229, 255, 0.3);

    /* Typography */
    --font-display: 'Montserrat', sans-serif;
    --font-body: 'Nunito Sans', sans-serif;

    /* Spacing */
    --section-padding: 80px 0;
    --container-max: 1240px;

    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 20px;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
}

ul { list-style: none; }
img { max-width: 100%; display: block; }

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== PARTICLE CANVAS ===== */
#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* ===== HEADER ===== */
#header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition-smooth);
}

#header.scrolled {
    background: rgba(5, 6, 15, 0.75);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 180, 255, 0.08);
    padding: 10px 0;
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 1001;
}

.logo-icon {
    font-size: 28px;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 8px rgba(0, 180, 255, 0.5));
}

.logo-text {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.logo-accent {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 1001;
}

/* ===== LANGUAGE SWITCHER ===== */
.lang-switcher {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 100px;
    background: linear-gradient(135deg, rgba(0, 180, 255, 0.08), rgba(168, 85, 247, 0.08));
    border: 1px solid rgba(0, 180, 255, 0.12);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
}

.lang-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 100px;
    padding: 1px;
    background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
    -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;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lang-btn:hover::before,
.lang-switcher.open .lang-btn::before {
    opacity: 1;
}

.lang-btn:hover {
    background: linear-gradient(135deg, rgba(0, 180, 255, 0.12), rgba(168, 85, 247, 0.12));
    box-shadow: 0 0 20px rgba(0, 180, 255, 0.15), 0 0 40px rgba(168, 85, 247, 0.08);
    transform: translateY(-1px);
}

.lang-btn svg {
    flex-shrink: 0;
    stroke: var(--neon-cyan);
    transition: all 0.3s ease;
}

.lang-btn:hover svg:first-child {
    filter: drop-shadow(0 0 4px rgba(0, 229, 255, 0.5));
}

.lang-chevron {
    transition: transform 0.3s ease;
    opacity: 0.5;
}

.lang-switcher.open .lang-chevron {
    transform: rotate(180deg);
    opacity: 1;
}

#current-lang {
    min-width: 20px;
    text-align: center;
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    min-width: 180px;
    background: rgba(8, 10, 28, 0.92);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(0, 180, 255, 0.1);
    border-radius: 16px;
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px) scale(0.95);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1002;
    box-shadow:
        0 12px 40px rgba(0, 0, 0, 0.5),
        0 0 1px rgba(0, 180, 255, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.lang-dropdown::before {
    content: '';
    position: absolute;
    top: -6px;
    right: 20px;
    width: 12px;
    height: 12px;
    background: rgba(8, 10, 28, 0.92);
    border-top: 1px solid rgba(0, 180, 255, 0.1);
    border-left: 1px solid rgba(0, 180, 255, 0.1);
    transform: rotate(45deg);
    z-index: -1;
}

.lang-switcher.open .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 11px 16px;
    border: none;
    border-radius: 10px;
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.lang-option:hover {
    background: rgba(0, 180, 255, 0.08);
    color: var(--text-primary);
    padding-left: 20px;
}

.lang-option.active {
    color: var(--neon-cyan);
    background: linear-gradient(135deg, rgba(0, 180, 255, 0.08), rgba(168, 85, 247, 0.05));
}

.lang-option.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 18px;
    border-radius: 0 3px 3px 0;
    background: var(--gradient-main);
    box-shadow: 0 0 8px rgba(0, 180, 255, 0.4);
}

.lang-option + .lang-option {
    margin-top: 2px;
}

.lang-flag {
    width: 22px;
    height: 16px;
    object-fit: cover;
    border-radius: 3px;
    flex-shrink: 0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.lang-flag-btn {
    width: 20px;
    height: 14px;
    object-fit: cover;
    border-radius: 2px;
    flex-shrink: 0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.nav-link {
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 500;
    padding: 8px 18px;
    border-radius: 8px;
    color: var(--text-secondary);
    transition: var(--transition-fast);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: rgba(0, 180, 255, 0.06);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--gradient-main);
    border-radius: 2px;
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-smooth);
}

.mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 120px 24px 80px;
}

.hero-grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(0, 180, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 180, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 60% 60% at 50% 50%, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 60% 60% at 50% 50%, black 20%, transparent 70%);
}

/* Floating geometric shapes */
.floating-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.15;
    filter: blur(60px);
    animation: float 20s ease-in-out infinite;
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: var(--neon-blue);
    top: 10%;
    left: -5%;
    animation-delay: 0s;
}

.shape-2 {
    width: 300px;
    height: 300px;
    background: var(--neon-purple);
    top: 60%;
    right: -5%;
    animation-delay: -5s;
}

.shape-3 {
    width: 250px;
    height: 250px;
    background: var(--neon-cyan);
    bottom: 10%;
    left: 30%;
    animation-delay: -10s;
}

.shape-4 {
    width: 200px;
    height: 200px;
    background: var(--neon-magenta);
    top: 20%;
    right: 20%;
    animation-delay: -7s;
}

.shape-5 {
    width: 150px;
    height: 150px;
    background: var(--neon-blue);
    bottom: 30%;
    left: 10%;
    animation-delay: -3s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -40px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(15px, 30px) scale(1.02); }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 860px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    border-radius: 100px;
    background: rgba(0, 180, 255, 0.08);
    border: 1px solid rgba(0, 180, 255, 0.15);
    font-size: 13px;
    font-weight: 500;
    color: var(--neon-cyan);
    letter-spacing: 0.5px;
    margin-bottom: 28px;
}

.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--neon-cyan);
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(0, 229, 255, 0.5); }
    50% { opacity: 0.7; box-shadow: 0 0 0 6px rgba(0, 229, 255, 0); }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(40px, 7vw, 76px);
    font-weight: 800;
    line-height: 1.08;
    letter-spacing: -2px;
    margin-bottom: 24px;
    white-space: nowrap;
}

.gradient-text {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(16px, 2vw, 19px);
    color: var(--text-secondary);
    max-width: 620px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 56px;
    flex-wrap: wrap;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 12px;
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 600;
    transition: var(--transition-smooth);
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-main);
    color: var(--bg-primary);
    box-shadow: 0 4px 24px rgba(0, 180, 255, 0.25);
}

.btn-primary:hover {
    box-shadow: 0 8px 40px rgba(0, 180, 255, 0.4);
    transform: translateY(-2px);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.btn-secondary:hover {
    border-color: var(--neon-blue);
    background: rgba(0, 180, 255, 0.06);
    box-shadow: var(--glow-blue);
    transform: translateY(-2px);
}

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

/* ===== HERO STATS ===== */
.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 40px;
    font-weight: 800;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-plus {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 700;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    display: block;
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 4px;
    letter-spacing: 0.5px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255,255,255,0.08);
}

/* Scroll indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    z-index: 2;
}

.scroll-mouse {
    width: 24px;
    height: 38px;
    border-radius: 12px;
    border: 2px solid rgba(0, 180, 255, 0.25);
    position: relative;
    display: flex;
    justify-content: center;
}

.scroll-dot {
    width: 3px;
    height: 8px;
    border-radius: 3px;
    background: var(--neon-cyan);
    margin-top: 7px;
    animation: scroll-dot-move 1.8s ease-in-out infinite;
    box-shadow: 0 0 6px rgba(0, 229, 255, 0.5);
}

@keyframes scroll-dot-move {
    0% { opacity: 1; transform: translateY(0); }
    50% { opacity: 0.3; transform: translateY(12px); }
    100% { opacity: 0; transform: translateY(16px); }
}

.hero-scroll-indicator span {
    font-size: 10px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-muted);
}

.scroll-arrows {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    animation: scroll-bounce 2s ease-in-out infinite;
}

.scroll-arrows svg {
    color: var(--text-muted);
    opacity: 0.5;
}

.scroll-arrows svg:first-child {
    opacity: 0.3;
    margin-bottom: -4px;
}

@keyframes scroll-bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(5px); }
}

/* ===== SECTION COMMON ===== */
.section-header {
    text-align: center;
    margin-bottom: 72px;
}

.section-tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--neon-cyan);
    margin-bottom: 16px;
    padding: 6px 16px;
    border-radius: 6px;
    background: rgba(0, 229, 255, 0.06);
    border: 1px solid rgba(0, 229, 255, 0.1);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(32px, 5vw, 52px);
    font-weight: 800;
    letter-spacing: -1.5px;
    line-height: 1.15;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 17px;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ===== SERVICES SECTION ===== */
.services {
    position: relative;
    z-index: 1;
    padding: var(--section-padding);
}

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

.service-card {
    position: relative;
    padding: 40px 32px;
    border-radius: 20px;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.04);
    transition: var(--transition-smooth);
    overflow: hidden;
    cursor: default;
}

.service-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(0, 180, 255, 0.15);
    transform: translateY(-6px);
}

.card-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: var(--transition-smooth);
    background: radial-gradient(circle at 50% 0%, rgba(0, 180, 255, 0.08), transparent 60%);
    pointer-events: none;
}

.service-card:hover .card-glow {
    opacity: 1;
}

.card-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 180, 255, 0.08);
    border: 1px solid rgba(0, 180, 255, 0.12);
    margin-bottom: 24px;
    transition: var(--transition-smooth);
}

.card-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--neon-cyan);
    transition: var(--transition-smooth);
}

.service-card:hover .card-icon {
    background: rgba(0, 180, 255, 0.12);
    border-color: rgba(0, 180, 255, 0.25);
    box-shadow: var(--glow-cyan);
}

.service-card h3 {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -0.3px;
}

.service-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.card-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-main);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-smooth);
}

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

/* ===== PROJECTS SECTION ===== */
.projects {
    position: relative;
    z-index: 1;
    padding: var(--section-padding);
    background: var(--bg-secondary);
}

.projects::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 180, 255, 0.15), transparent);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.project-card {
    border-radius: 20px;
    overflow: hidden;
    position: relative;
}

.project-image {
    position: relative;
    overflow: hidden;
    border-radius: 20px;
    aspect-ratio: 16 / 12;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.logo-card {
    background: var(--bg-primary);
}

.logo-card img {
    object-fit: contain;
    padding: 40px;
}

.project-card:hover .project-image img {
    transform: scale(1.05);
    filter: brightness(0.4);
}

.project-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 28px;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(5, 6, 15, 0.92);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.project-overlay::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--neon-blue), var(--neon-cyan), var(--neon-purple));
    transform: scaleX(0);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0.1s;
}

.project-card:hover .project-overlay {
    opacity: 1;
}

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

.project-overlay > * {
    transform: translateY(15px);
    opacity: 0;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-card:hover .project-overlay > *:nth-child(1) { transform: translateY(0); opacity: 1; transition-delay: 0.08s; }
.project-card:hover .project-overlay > *:nth-child(2) { transform: translateY(0); opacity: 1; transition-delay: 0.14s; }
.project-card:hover .project-overlay > *:nth-child(3) { transform: translateY(0); opacity: 1; transition-delay: 0.2s; }
.project-card:hover .project-overlay > *:nth-child(4) { transform: translateY(0); opacity: 1; transition-delay: 0.26s; }

.project-category {
    display: inline-block;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--neon-cyan);
    margin-bottom: 12px;
    padding: 5px 14px;
    background: rgba(0, 229, 255, 0.08);
    border: 1px solid rgba(0, 229, 255, 0.2);
    border-radius: 20px;
    width: fit-content;
}

.project-overlay h3 {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.3px;
}

.project-overlay p {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.6;
    max-width: 280px;
}

.project-link {
    font-size: 13px;
    font-weight: 600;
    color: var(--bg-primary);
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-blue));
    padding: 8px 24px;
    border-radius: 20px;
    transition: var(--transition-fast);
    display: inline-block;
}

.project-link:hover {
    box-shadow: 0 0 20px rgba(0, 229, 255, 0.3);
    transform: translateY(-2px);
}

/* ===== CONTACT SECTION ===== */
.contact {
    position: relative;
    z-index: 1;
    padding: var(--section-padding);
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.contact-network-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

#network-canvas {
    width: 100%;
    height: 100%;
}

.contact-wrapper {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.contact-info .section-tag {
    margin-bottom: 16px;
}

.contact-info .section-title {
    text-align: left;
    margin-bottom: 16px;
}

.contact-info > p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.7;
}

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

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

.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 180, 255, 0.08);
    border: 1px solid rgba(0, 180, 255, 0.12);
    flex-shrink: 0;
    transition: var(--transition-smooth);
}

.contact-icon svg {
    width: 20px;
    height: 20px;
    stroke: var(--neon-cyan);
}

.contact-item:hover .contact-icon {
    box-shadow: var(--glow-cyan);
    border-color: rgba(0, 229, 255, 0.3);
}

.contact-label {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 2px;
}

.contact-item a,
.contact-item span:not(.contact-label) {
    font-size: 15px;
    color: var(--text-primary);
    transition: var(--transition-fast);
}

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

/* ===== CONTACT FORM ===== */
.contact-form {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 24px;
    padding: 40px;
    backdrop-filter: blur(10px);
    margin-top: 46px;
}

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

.form-group {
    position: relative;
    margin-bottom: 24px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 15px;
    transition: var(--transition-smooth);
    outline: none;
    resize: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: rgba(0, 180, 255, 0.3);
    background: rgba(0, 180, 255, 0.03);
    box-shadow: 0 0 0 3px rgba(0, 180, 255, 0.06);
}

.form-group label {
    position: absolute;
    left: 20px;
    top: 16px;
    font-size: 15px;
    color: var(--text-muted);
    pointer-events: none;
    transition: var(--transition-smooth);
}

.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -10px;
    left: 16px;
    font-size: 12px;
    color: var(--neon-cyan);
    background: var(--bg-primary);
    padding: 0 6px;
    border-radius: 4px;
}

.form-line {
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-main);
    transition: var(--transition-smooth);
    border-radius: 2px;
    transform: translateX(-50%);
}

.form-group input:focus ~ .form-line,
.form-group textarea:focus ~ .form-line {
    width: 100%;
}

/* ===== FOOTER ===== */
.footer {
    position: relative;
    z-index: 1;
    padding: 80px 0 40px;
    background: var(--bg-secondary);
    overflow: hidden;
}

.footer-glow {
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 200px;
    background: radial-gradient(ellipse, rgba(0, 180, 255, 0.06), transparent);
    pointer-events: none;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 280px;
}

.footer-links h4,
.footer-social h4 {
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: -0.2px;
}

.footer-links a {
    display: block;
    font-size: 14px;
    color: var(--text-secondary);
    padding: 6px 0;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--neon-cyan);
    transform: translateX(4px);
}

.social-icons {
    display: flex;
    gap: 12px;
}

.social-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: var(--transition-smooth);
}

.social-icon svg {
    width: 18px;
    height: 18px;
    fill: var(--text-secondary);
    transition: var(--transition-smooth);
}

.social-icon:hover {
    border-color: rgba(0, 180, 255, 0.2);
    background: rgba(0, 180, 255, 0.08);
    box-shadow: var(--glow-blue);
    transform: translateY(-3px);
}

.social-icon:hover svg {
    fill: var(--neon-cyan);
}

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

.footer-line {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 180, 255, 0.12), transparent);
    margin-bottom: 24px;
}

.footer-bottom p {
    font-size: 13px;
    color: var(--text-muted);
}

/* ===== ANIMATIONS ===== */
.anim-fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
    transition-delay: var(--delay, 0s);
}

.anim-fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 80px 0;
    }

    .mobile-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        width: 100%;
        height: 100vh;
        background: rgba(5, 6, 15, 0.98);
        backdrop-filter: blur(30px);
        -webkit-backdrop-filter: blur(30px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 12px;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        transform: none;
        opacity: 0;
        visibility: hidden;
        z-index: 1000;
    }

    .nav-links::before {
        content: '';
        position: absolute;
        top: 20%;
        left: -20%;
        width: 300px;
        height: 300px;
        border-radius: 50%;
        background: rgba(0, 180, 255, 0.06);
        filter: blur(80px);
        pointer-events: none;
    }

    .nav-links::after {
        content: '';
        position: absolute;
        bottom: 20%;
        right: -20%;
        width: 250px;
        height: 250px;
        border-radius: 50%;
        background: rgba(168, 85, 247, 0.06);
        filter: blur(80px);
        pointer-events: none;
    }

    .nav-links.open {
        opacity: 1;
        visibility: visible;
    }

    .nav-links li {
        opacity: 0;
        transform: translateY(20px);
        transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .nav-links.open li {
        opacity: 1;
        transform: translateY(0);
    }

    .nav-links.open li:nth-child(1) { transition-delay: 0.1s; }
    .nav-links.open li:nth-child(2) { transition-delay: 0.18s; }
    .nav-links.open li:nth-child(3) { transition-delay: 0.26s; }
    .nav-links.open li:nth-child(4) { transition-delay: 0.34s; }

    .nav-link {
        font-family: var(--font-display);
        font-size: 28px;
        font-weight: 700;
        padding: 16px 32px;
        width: auto;
        text-align: center;
        letter-spacing: -0.5px;
        border-radius: 12px;
        color: var(--text-secondary);
    }

    .nav-link:hover,
    .nav-link.active {
        color: var(--text-primary);
        background: rgba(0, 180, 255, 0.06);
    }

    .nav-link.active::after {
        bottom: 8px;
        width: 30px;
        height: 3px;
    }

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

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

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .hero-stats {
        gap: 24px;
    }

    .stat-divider {
        display: none;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .hero-title {
        letter-spacing: -1px;
        white-space: normal;
        word-break: break-word;
        font-size: clamp(32px, 10vw, 52px);
    }

    .hero {
        padding: 120px 20px 80px;
    }

    .hero-subtitle {
        font-size: 15px;
        padding: 0 8px;
    }

    .hero-badge {
        font-size: 11px;
        padding: 6px 14px;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        width: 100%;
        padding: 0 8px;
    }

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

    .contact-form {
        padding: 24px;
    }

    .hero-title {
        font-size: clamp(28px, 9vw, 42px);
    }

    .section-title {
        font-size: clamp(26px, 7vw, 36px);
    }
}

/* ===== BACK TO TOP ===== */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: rgba(0, 180, 255, 0.1);
    border: 1px solid rgba(0, 180, 255, 0.2);
    color: var(--neon-cyan);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: rgba(0, 180, 255, 0.2);
    border-color: rgba(0, 180, 255, 0.4);
    box-shadow: 0 0 20px rgba(0, 180, 255, 0.25);
    transform: translateY(-3px);
}