/* ===== CSS Variables ===== */
:root {
    --color-bg-dark: #0a0a0a;
    --color-bg-secondary: #141414;
    --color-cyan: #00FFF8;
    --color-orange: #F5A623;
    --color-white: #ffffff;
    --color-gray: #9a9a9a;
    --color-gray-dark: #2a2a2a;
    --font-primary: 'Roboto', sans-serif;
    --font-display: 'Orbitron', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg-dark);
    color: var(--color-white);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

ul {
    list-style: none;
}

/* ===== 3D Tilt Card Effect ===== */
.tilt-card {
    transform-style: preserve-3d;
    transform: perspective(1000px);
    transition: transform 0.3s ease;
}

.tilt-card .card-glow {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: inherit;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
    background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
                rgba(0, 255, 248, 0.2) 0%, transparent 50%);
}

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

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

/* ===== Typography ===== */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
}

.highlight {
    color: var(--color-cyan);
}

.highlight-orange {
    color: var(--color-orange);
    text-shadow: 0 0 30px rgba(245, 166, 35, 0.5);
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    color: var(--color-gray);
    font-size: 1.1rem;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 4px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background: var(--color-cyan);
    color: var(--color-bg-dark);
    border-color: var(--color-cyan);
}

.btn-primary:hover {
    background: transparent;
    color: var(--color-cyan);
    box-shadow: 0 0 30px rgba(0, 255, 248, 0.4);
}

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

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

.btn-dark {
    background: var(--color-bg-dark);
    color: var(--color-cyan);
    border-color: var(--color-bg-dark);
}

.btn-dark:hover {
    background: var(--color-orange);
    color: var(--color-bg-dark);
    border-color: var(--color-orange);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(245, 166, 35, 0.4);
}

.btn-full {
    width: 100%;
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-gray-dark);
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(10, 10, 10, 0.98);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    height: 40px;
    width: auto;
    transition: transform 0.3s ease;
}

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

.logo-text {
    font-family: var(--font-display);
    font-size: 1.2rem;
    color: var(--color-orange);
}

.logo-text .highlight {
    color: var(--color-cyan);
}

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

.nav-links a {
    font-weight: 500;
    position: relative;
    padding: 5px 0;
}

.nav-links a:not(.btn-nav):hover {
    color: var(--color-cyan);
}

.btn-nav {
    background: var(--color-cyan);
    color: var(--color-bg-dark);
    padding: 8px 36px;
    margin: 0px;
    border-radius: 4px;
    font-weight: 600;
    border: none;
    font-family: var(--font-primary);
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-nav:hover {
    background: var(--color-white);
    transform: scale(1.05);
}

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

.mobile-menu span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--color-white);
    transition: var(--transition);
}

/* ===== Language Selector ===== */
.language-selector {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-left: 20px;
    padding-left: 20px;
    border-left: 1px solid var(--color-gray-dark);
}

.language-selector button {
    background: transparent;
    border: 2px solid transparent;
    padding: 4px;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.language-selector button:hover {
    border-color: var(--color-cyan);
    transform: scale(1.1);
}

.language-selector button.active {
    border-color: var(--color-cyan);
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

.flag-icon {
    width: 23px;
    height: 15px;
    border-radius: 3px;
    display: block;
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    padding-top: 80px;
    overflow: hidden;
    background: var(--color-bg-dark);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

/* Tech Graphics */
.tech-graphics {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

/* Floating Hexagons */
.floating-hex {
    position: absolute;
    opacity: 0.4;
    animation: hexFloat 6s ease-in-out infinite, hexPulse 3s ease-in-out infinite;
}

.floating-hex svg {
    width: 100%;
    height: 100%;
    display: block;
}

.floating-hex svg polygon {
    fill: none;
    stroke: var(--color-cyan);
    stroke-width: 2;
}

/* Hexagon positions */
.hex-float-1 { top: 10%; left: 5%; width: 30px; height: 35px; animation-delay: 0s; }
.hex-float-2 { top: 20%; right: 10%; width: 50px; height: 58px; animation-delay: 0.5s; }
.hex-float-3 { top: 15%; right: 25%; width: 25px; height: 29px; animation-delay: 1s; }
.hex-float-4 { top: 40%; right: 5%; width: 35px; height: 40px; animation-delay: 1.5s; }
.hex-float-5 { top: 60%; right: 15%; width: 45px; height: 52px; animation-delay: 2s; }
.hex-float-6 { top: 70%; left: 8%; width: 30px; height: 35px; animation-delay: 2.5s; }
.hex-float-7 { top: 80%; right: 30%; width: 20px; height: 23px; animation-delay: 3s; }
.hex-float-8 { top: 25%; left: 15%; width: 22px; height: 25px; animation-delay: 0.8s; }
.hex-float-9 { top: 50%; left: 3%; width: 28px; height: 32px; animation-delay: 1.8s; }
.hex-float-10 { top: 85%; left: 20%; width: 38px; height: 44px; animation-delay: 2.2s; }

/* Float animation */
@keyframes hexFloat {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    25% {
        transform: translateY(-15px) rotate(5deg);
    }
    50% {
        transform: translateY(-8px) rotate(-3deg);
    }
    75% {
        transform: translateY(-20px) rotate(8deg);
    }
}

/* Pulse/Blink animation */
@keyframes hexPulse {
    0%, 100% {
        opacity: 0.2;
        filter: drop-shadow(0 0 2px transparent);
    }
    50% {
        opacity: 0.8;
        filter: drop-shadow(0 0 8px var(--color-cyan));
    }
}

/* Different colors for some hexagons */
.hex-float-2 svg polygon,
.hex-float-5 svg polygon,
.hex-float-8 svg polygon {
    stroke: var(--color-orange);
}

.hex-float-2,
.hex-float-5,
.hex-float-8 {
    animation: hexFloat 7s ease-in-out infinite, hexPulseOrange 4s ease-in-out infinite;
}

@keyframes hexPulseOrange {
    0%, 100% {
        opacity: 0.2;
        filter: drop-shadow(0 0 2px transparent);
    }
    50% {
        opacity: 0.7;
        filter: drop-shadow(0 0 8px var(--color-orange));
    }
}

/* Hero Content */
.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
    flex: 1;
    padding: 60px 0;
}

.hero-text h1 {
    font-size: 3.2rem;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.text-line {
    display: block;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--color-gray);
    margin-bottom: 2rem;
    max-width: 500px;
}

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

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-logo {
    max-width: 350px;
    filter: drop-shadow(0 0 50px rgba(0, 255, 248, 0.3));
    animation: logoFloat 6s ease-in-out infinite;
}

@keyframes logoFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* Tech Partners Bar */
.tech-partners {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-gray-dark);
    padding: 30px 0;
    position: relative;
    z-index: 1;
}

.partners-grid {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
}

.partner-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--color-gray);
    transition: var(--transition);
}

.partner-icon:hover {
    color: var(--color-cyan);
}

.partner-icon img {
    height: 40px;
    width: auto;
    max-width: 100px;
    object-fit: contain;
    filter: grayscale(100%) brightness(0.8);
    opacity: 0.7;
    transition: var(--transition);
}

.partner-icon img.logo-python {
    transform: scale(1.5);
}

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

.partner-icon svg {
    width: 32px;
    height: 32px;
    opacity: 0.6;
    transition: var(--transition);
}

.partner-icon:hover svg {
    opacity: 1;
}

.partner-icon span {
    font-size: 0.8rem;
    font-weight: 500;
}

/* ===== Services Section ===== */
.services {
    padding: 100px 0;
    background: var(--color-bg-dark);
    position: relative;
    overflow: hidden;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--color-bg-secondary);
    padding: 40px 30px;
    border-radius: 12px;
    border: 1px solid var(--color-gray-dark);
    transition: var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-cyan), var(--color-orange));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--color-cyan);
    box-shadow: 0 20px 50px rgba(0, 255, 248, 0.1);
}

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

.service-icon-wrapper {
    width: 70px;
    height: 70px;
    margin-bottom: 25px;
    position: relative;
}

.service-icon-wrapper::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 70px;
    height: 80px;
    border: 2px solid var(--color-cyan);
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    opacity: 0.3;
    transition: var(--transition);
}

.service-card:hover .service-icon-wrapper::before {
    opacity: 0.6;
    transform: translate(-50%, -50%) scale(1.1);
}

.service-icon {
    width: 50px;
    height: 50px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.service-icon svg {
    width: 100%;
    height: 100%;
    color: var(--color-cyan);
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--color-white);
}

.service-card p {
    color: var(--color-gray);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.card-link {
    color: var(--color-cyan);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.card-link span {
    transition: transform 0.3s ease;
}

.card-link:hover span {
    transform: translateX(5px);
}

/* Hexagon Decorations */
.hex-decoration {
    position: absolute;
    pointer-events: none;
}

.hex-decoration .hexagon {
    position: relative;
    display: block;
    margin: 10px 0;
    border-color: rgba(0, 255, 248, 0.2);
}

.hex-dec-left {
    left: -40px;
    bottom: 20%;
}

.hex-dec-right {
    right: -40px;
    top: 20%;
}

/* ===== CTA Banner with Chevron ===== */
.cta-banner {
    background: var(--color-cyan);
    padding: 100px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
    border-left: 4px solid var(--color-bg-dark);
}

/* CTA Content */
.cta-content {
    position: relative;
    z-index: 2;
}

.cta-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 25px;
    background: var(--color-bg-dark);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-gray-dark);
}

.cta-icon svg {
    width: 32px;
    height: 32px;
    color: var(--color-gray);
}

.cta-banner h2 {
    font-size: 2.2rem;
    color: var(--color-bg-dark);
    margin-bottom: 15px;
    font-style: italic;
    font-weight: 700;
}

.cta-banner p {
    color: var(--color-bg-secondary);
    font-size: 1.1rem;
    margin-bottom: 30px;
}

.btn-cta {
    background: var(--color-bg-dark);
    color: var(--color-cyan);
    padding: 14px 40px;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: inline-block;
    transition: var(--transition);
}

.btn-cta:hover {
    background: var(--color-orange);
    color: var(--color-bg-dark);
    transform: translateY(-2px);
}

/* CTA Hexagon Clusters */
.cta-hex-cluster {
    position: absolute;
    pointer-events: none;
}

.cta-hex-left {
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 300px;
    height: 350px;
}

.cta-hex-right {
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 300px;
    height: 350px;
}

.cta-hex {
    position: absolute;
    pointer-events: none;
}

.cta-hex svg {
    width: 100%;
    height: 100%;
    display: block;
}

.cta-hex svg polygon {
    fill: none;
    stroke: var(--color-bg-dark);
    stroke-width: 2;
    opacity: 0.3;
}

/* Left cluster positions - honeycomb pattern */
.cta-hex-1 { width: 50px; height: 58px; left: 20px; top: 40px; }
.cta-hex-2 { width: 50px; height: 58px; left: 60px; top: 10px; }
.cta-hex-3 { width: 50px; height: 58px; left: 95px; top: 40px; }
.cta-hex-4 { width: 50px; height: 58px; left: 20px; top: 95px; }
.cta-hex-5 { width: 50px; height: 58px; left: 60px; top: 125px; }
.cta-hex-6 { width: 50px; height: 58px; left: 95px; top: 95px; }
.cta-hex-7 { width: 50px; height: 58px; left: 60px; top: 180px; }
.cta-hex-8 { width: 50px; height: 58px; left: 20px; top: 210px; }
.cta-hex-9 { width: 50px; height: 58px; left: 95px; top: 210px; }
.cta-hex-10 { width: 50px; height: 58px; left: 130px; top: 125px; }

/* Right cluster positions */
.cta-hex-11 { width: 50px; height: 58px; right: 20px; top: 10px; }
.cta-hex-12 { width: 50px; height: 58px; right: 60px; top: 40px; }
.cta-hex-13 { width: 50px; height: 58px; right: 95px; top: 10px; }
.cta-hex-14 { width: 50px; height: 58px; right: 130px; top: 40px; }
.cta-hex-15 { width: 50px; height: 58px; right: 20px; top: 95px; }
.cta-hex-16 { width: 50px; height: 58px; right: 60px; top: 125px; }
.cta-hex-17 { width: 50px; height: 58px; right: 95px; top: 95px; }
.cta-hex-18 { width: 50px; height: 58px; right: 130px; top: 125px; }

/* Some hexagons with different color (cyan fill) */
.cta-hex-2 svg polygon,
.cta-hex-5 svg polygon,
.cta-hex-8 svg polygon,
.cta-hex-12 svg polygon,
.cta-hex-16 svg polygon {
    fill: var(--color-cyan);
    fill-opacity: 0.15;
    opacity: 0.6;
}

/* Scattered hexagons */
.cta-hex-scatter-1 { width: 30px; height: 35px; left: 10%; top: 15%; }
.cta-hex-scatter-2 { width: 25px; height: 29px; right: 15%; bottom: 25%; }
.cta-hex-scatter-3 { width: 35px; height: 40px; left: 25%; bottom: 20%; }
.cta-hex-scatter-4 { width: 28px; height: 32px; right: 25%; top: 20%; }

/* Bottom Chevron */
.cta-chevron {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 35px;
}

.cta-chevron svg {
    width: 100%;
    height: 100%;
}

/* ===== Sectors Section ===== */
.sectors {
    padding: 100px 0;
    background: var(--color-bg-secondary);
    position: relative;
    overflow: hidden;
}

.sectors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 25px;
}

.sector-card {
    background: var(--color-bg-dark);
    padding: 30px 25px;
    border-radius: 12px;
    border: 1px solid var(--color-gray-dark);
    text-align: center;
    transition: var(--transition-slow);
}

.sector-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-cyan);
    box-shadow: 0 15px 40px rgba(0, 255, 248, 0.15);
}

.sector-icon {
    width: 50px;
    height: 50px;
    margin: 0 auto 15px;
    transition: transform 0.5s ease;
}

.sector-card:hover .sector-icon {
    transform: scale(1.2);
}

.sector-icon svg {
    width: 100%;
    height: 100%;
    color: var(--color-cyan);
}

.sector-card h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: var(--color-white);
}

.sector-card p {
    color: var(--color-gray);
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.sector-tag {
    display: inline-block;
    background: rgba(0, 255, 248, 0.1);
    color: var(--color-cyan);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    transition: var(--transition);
}

.sector-card:hover .sector-tag {
    background: var(--color-cyan);
    color: var(--color-bg-dark);
}

/* ===== Projects Section ===== */
.projects {
    padding: 100px 0;
    background: var(--color-bg-dark);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.project-card {
    background: var(--color-bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--color-gray-dark);
    padding: 30px;
    transition: var(--transition-slow);
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: var(--color-cyan);
    box-shadow: 0 20px 50px rgba(0, 255, 248, 0.1);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.project-sector {
    background: var(--color-orange);
    color: var(--color-bg-dark);
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.project-year {
    color: var(--color-gray);
    font-size: 0.85rem;
}

.project-card h3 {
    font-size: 1.4rem;
    margin-bottom: 12px;
    color: var(--color-cyan);
}

.project-card p {
    color: var(--color-gray);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.project-tags span {
    background: var(--color-bg-dark);
    color: var(--color-white);
    padding: 5px 12px;
    border-radius: 4px;
    font-size: 0.8rem;
    border: 1px solid var(--color-gray-dark);
    transition: var(--transition);
}

.project-card:hover .project-tags span {
    border-color: var(--color-cyan);
}

/* ===== Integrate Section (Cyan Background) ===== */
.integrate-section {
    background: var(--color-cyan);
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.integrate-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.hex-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='115' viewBox='0 0 100 115'%3E%3Cpath fill='none' stroke='%23000' stroke-width='1' stroke-opacity='0.1' d='M50 0L100 28.87V86.6L50 115.47 0 86.6V28.87z'/%3E%3C/svg%3E");
    opacity: 0.3;
}

.integrate-section h2 {
    font-size: 2.5rem;
    color: var(--color-bg-dark);
    margin-bottom: 15px;
    position: relative;
    z-index: 1;
}

.integrate-section p {
    color: var(--color-bg-secondary);
    font-size: 1.1rem;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 1;
}

/* ===== Expertise Section ===== */
.expertise {
    padding: 100px 0;
    background: var(--color-bg-secondary);
}

.expertise-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.expertise-category {
    background: var(--color-bg-dark);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--color-gray-dark);
    transition: var(--transition);
}

.expertise-category:hover {
    border-color: var(--color-orange);
}

.expertise-category h3 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: var(--color-orange);
    padding-bottom: 10px;
    border-bottom: 2px solid var(--color-gray-dark);
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tech-tag {
    background: var(--color-bg-secondary);
    color: var(--color-white);
    padding: 8px 14px;
    border-radius: 6px;
    font-size: 0.85rem;
    border: 1px solid var(--color-gray-dark);
    transition: var(--transition);
}

.tech-tag:hover {
    border-color: var(--color-cyan);
    color: var(--color-cyan);
}

/* Certifications */
.certifications {
    margin-top: 60px;
}

.cert-title {
    font-size: 1.5rem;
    text-align: center;
    margin-bottom: 30px;
    color: var(--color-white);
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.cert-card {
    background: var(--color-bg-dark);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--color-gray-dark);
    text-align: center;
    transition: var(--transition-slow);
}

.cert-card:hover {
    border-color: var(--color-orange);
    transform: translateY(-5px);
}

.cert-icon {
    width: 50px;
    height: 50px;
    margin: 0 auto 15px;
}

.cert-icon svg {
    width: 100%;
    height: 100%;
    color: var(--color-orange);
}

.cert-card h4 {
    font-size: 1rem;
    margin-bottom: 8px;
    color: var(--color-white);
}

.cert-card p {
    color: var(--color-gray);
    font-size: 0.9rem;
}

/* ===== About Section ===== */
.about {
    padding: 100px 0;
    background: var(--color-bg-dark);
}

.about-header {
    text-align: center;
    margin-bottom: 50px;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
}

.about-text p {
    color: var(--color-gray);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 2rem;
}

.stat {
    text-align: center;
    padding: 20px;
    background: var(--color-bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--color-gray-dark);
    transition: var(--transition);
}

.stat:hover {
    border-color: var(--color-cyan);
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    color: var(--color-cyan);
    font-weight: 700;
}

.stat-number::after {
    content: '+';
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--color-gray);
    margin-top: 5px;
}

.about-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hexagon-decoration {
    position: relative;
    max-width: 350px;
}

.hexagon-decoration img {
    filter: drop-shadow(0 0 40px rgba(0, 255, 248, 0.3));
}

/* About Subsections */
.about-subsections {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.about-subsection {
    background: var(--color-bg-secondary);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--color-gray-dark);
    transition: var(--transition);
}

.about-subsection:hover {
    border-color: var(--color-cyan);
}

.subsection-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.3rem;
    color: var(--color-white);
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--color-gray-dark);
}

.subsection-title svg {
    width: 28px;
    height: 28px;
    color: var(--color-cyan);
}

.about-subsection > p {
    color: var(--color-gray);
    line-height: 1.7;
    margin-bottom: 20px;
}

/* Team Highlights */
.team-highlights {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--color-bg-dark);
    padding: 15px 20px;
    border-radius: 8px;
    border: 1px solid var(--color-gray-dark);
    flex: 1;
    min-width: 200px;
    transition: var(--transition);
}

.highlight-item:hover {
    border-color: var(--color-cyan);
}

.highlight-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 255, 248, 0.1);
    border-radius: 8px;
}

.highlight-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-cyan);
}

.highlight-item strong {
    display: block;
    color: var(--color-white);
    font-size: 0.95rem;
}

.highlight-item div span {
    color: var(--color-gray);
    font-size: 0.85rem;
}

/* Skills Grid */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.skill-category h4 {
    color: var(--color-orange);
    font-size: 1rem;
    margin-bottom: 15px;
}

.skill-bars {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.skill-bar {
    display: flex;
    align-items: center;
    gap: 15px;
}

.skill-name {
    width: 100px;
    color: var(--color-white);
    font-size: 0.85rem;
    flex-shrink: 0;
}

.skill-progress {
    flex: 1;
    height: 8px;
    background: var(--color-bg-dark);
    border-radius: 4px;
    overflow: hidden;
}

.skill-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-cyan), var(--color-orange));
    border-radius: 4px;
    transition: width 1.5s ease;
}

/* ===== Contact Section ===== */
.contact {
    padding: 100px 0;
    background: var(--color-bg-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-form {
    background: var(--color-bg-dark);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid var(--color-gray-dark);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--color-white);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-gray-dark);
    border-radius: 8px;
    color: var(--color-white);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-cyan);
    box-shadow: 0 0 0 3px rgba(0, 255, 248, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-gray);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-card {
    background: var(--color-bg-dark);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--color-gray-dark);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: var(--transition);
}

.info-card:hover {
    border-color: var(--color-cyan);
    transform: translateX(10px);
}

.info-icon {
    width: 50px;
    height: 50px;
    flex-shrink: 0;
}

.info-icon svg {
    width: 100%;
    height: 100%;
    color: var(--color-cyan);
}

.info-card h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: var(--color-white);
}

.info-card p {
    color: var(--color-gray);
    font-size: 0.95rem;
}

/* WhatsApp Icon */
.whatsapp-icon svg {
    color: #25D366;
}

.info-card:has(.whatsapp-icon):hover {
    border-color: #25D366;
}

.whatsapp-link {
    color: #25D366;
    font-size: 0.95rem;
    transition: var(--transition);
}

.whatsapp-link:hover {
    color: #128C7E;
    text-decoration: underline;
}

/* ===== Footer ===== */
.footer {
    background: var(--color-bg-dark);
    padding: 60px 0 20px;
    border-top: 1px solid var(--color-gray-dark);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand p {
    color: var(--color-gray);
    margin-top: 15px;
    max-width: 300px;
}

.footer-logo {
    max-height: 60px;
}

.footer-links h4,
.footer-social h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: var(--color-white);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--color-gray);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--color-cyan);
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-secondary);
    border-radius: 8px;
    color: var(--color-gray);
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--color-cyan);
    color: var(--color-bg-dark);
}

.social-links svg {
    width: 20px;
    height: 20px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--color-gray-dark);
}

.footer-bottom p {
    color: var(--color-gray);
    font-size: 0.9rem;
}

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

    .hero-text h1 {
        font-size: 2.5rem;
    }

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

    .hero-cta {
        justify-content: center;
    }

    .hero-visual {
        order: -1;
    }

    .hero-logo {
        max-width: 280px;
    }

    .tech-graphics {
        display: none;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .about-visual {
        order: -1;
    }

    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-subsections {
        grid-template-columns: 1fr;
    }

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

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

    .contact-content {
        grid-template-columns: 1fr;
    }

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

    .footer-brand p {
        margin-left: auto;
        margin-right: auto;
    }

    .social-links {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-bg-dark);
        flex-direction: column;
        padding: 20px;
        border-top: 1px solid var(--color-gray-dark);
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu {
        display: flex;
    }

    .language-selector {
        margin-left: 10px;
        padding-left: 10px;
        margin-right: 10px;
    }

    .language-selector button {
        padding: 3px;
    }

    .flag-icon {
        width: 24px;
        height: 17px;
    }

    .hero-text h1 {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .partners-grid {
        justify-content: center;
    }

    .partner-icon {
        flex: 0 0 calc(33.33% - 20px);
    }

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

    .sectors-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .team-highlights {
        flex-direction: column;
    }

    .contact-form {
        padding: 30px 20px;
    }

    .cta-banner h2 {
        font-size: 1.5rem;
    }

    .cta-hex-cluster {
        display: none;
    }

    .cta-hex-scatter-1,
    .cta-hex-scatter-2,
    .cta-hex-scatter-3,
    .cta-hex-scatter-4 {
        display: none;
    }

    .cta-banner {
        padding: 60px 0 50px;
    }

    .integrate-section h2 {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 1.8rem;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }

    .hero-cta {
        flex-direction: column;
        gap: 15px;
    }

    .hero-cta .btn {
        width: 100%;
        text-align: center;
    }

    .partner-icon {
        flex: 0 0 calc(50% - 20px);
    }

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