:root {
    --color-bg-primary: #000000;
    --color-bg-secondary: #0a0a0a;
    --color-bg-overlay: rgba(0, 0, 0, 0.9);
    --color-text-primary: #FFFFFF;
    --color-text-secondary: #9CA3AF;
    --color-accent-blue: #3b82f6;
    --font-primary: 'Inter', system-ui, -apple-system, sans-serif;
    --transition-standard: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

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

h1,
h2,
h3,
h4 {
    color: var(--color-text-primary);
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.1;
}

h1 {
    font-size: clamp(40px, 8vw, 80px);
}

h2 {
    font-size: clamp(32px, 5vw, 48px);
    background: linear-gradient(to right, #ffffff, #94a3b8);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

section {
    padding: 100px 0;
}

/* Header & Nav */
.main-header {
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(15px);
    padding: 20px 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition-standard);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.main-header.scrolled {
    padding: 15px 0;
    background: rgba(0, 0, 0, 0.95);
}

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

.logo img {
    height: 45px;
    filter: brightness(0) invert(1);
}

.btn {
    display: inline-block;
    padding: 18px 40px;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition-standard);
    cursor: pointer;
    border: none;
    font-family: var(--font-primary);
    text-align: center;
    color: #FFFFFF !important;
}

.btn-primary {
    background: var(--color-accent-blue);
    color: #FFFFFF !important;
}

.btn-primary:hover {
    background: #2563eb;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.3);
}

.btn-cta {
    background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
    color: #FFFFFF !important;
    font-size: 15px;
    padding: 16px 35px;
    box-shadow: 0 10px 30px rgba(249, 115, 22, 0.4);
}

.btn-cta:hover {
    background: linear-gradient(135deg, #ea580c 0%, #c2410c 100%);
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(249, 115, 22, 0.5);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--color-text-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    opacity: 0.8;
    transition: 0.3s;
}

.nav-links a:hover {
    color: var(--color-accent-blue);
    opacity: 1;
}

/* Hamburger Menu */
.menu-btn {
    display: none;
    font-size: 32px;
    color: #fff;
    cursor: pointer;
    z-index: 2000;
}

/* Hero */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    background-size: cover;
    background-position: center;
    text-align: center;
}

.hero-subtitle {
    display: block;
    font-size: 15px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--color-accent-blue);
    margin-bottom: 20px;
}

/* Partner Bar */
.partner-bar {
    background: #050e1a;
    padding: 30px 0;
    border-bottom: 1px solid var(--glass-border);
    border-top: 1px solid var(--glass-border);
}

.partner-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
    flex-wrap: wrap;
}

.partner-content p {
    color: #fff;
    font-size: 15px;
    max-width: 500px;
}

.partner-badges {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.partner-badges span {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 10px 20px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 700;
    color: var(--color-accent-blue);
    white-space: nowrap;
}

/* Stats */
.stats-banner {
    padding: 80px 0;
    background: #000;
    border-top: 1px solid var(--glass-border);
    text-align: center;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.banner-stat h4 {
    font-size: 3.5rem;
    color: #fff;
}

.banner-stat p {
    color: var(--color-accent-blue);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 12px;
}

/* Grid Items */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 50px 40px;
    border-radius: 4px;
    transition: var(--transition-standard);
    cursor: pointer;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--color-accent-blue);
    background: rgba(255, 255, 255, 0.05);
}

/* ROI & Tech */
.roi-table-container {
    overflow-x: auto;
    margin: 40px 0;
    background: rgba(255, 255, 255, 0.02);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid var(--glass-border);
}

.roi-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 600px;
}

.roi-table th,
.roi-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.roi-table th {
    color: var(--color-accent-blue);
    text-transform: uppercase;
    font-size: 13px;
}

.roi-highlight {
    color: #4ade80;
    font-weight: 800;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.tech-item {
    background: rgba(255, 255, 255, 0.03);
    padding: 30px;
    border-left: 3px solid var(--color-accent-blue);
    transition: 0.3s;
}

.tech-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.06);
}

/* Icons */
.icon-small {
    width: 18px;
    height: 18px;
    vertical-align: middle;
    margin-right: 8px;
    stroke: var(--color-accent-blue);
}

.service-icon svg {
    width: 40px;
    height: 40px;
    stroke: var(--color-accent-blue);
}

/* Hero Buttons Mobile Fix */
@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

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

    .hero-buttons .btn {
        margin-left: 0 !important;
        width: 100%;
    }

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

    .modal-content {
        padding: 30px 20px;
        max-height: 90vh;
    }

    #modal-icon svg {
        width: 40px !important;
        height: 40px !important;
    }

    .modal-header h3 {
        font-size: 20px;
    }

    .btn-cta {
        font-size: 16px;
        padding: 18px 35px;
    }
}

/* About & Contact */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.features-list {
    list-style: none;
    margin-top: 20px;
}

.features-list li {
    padding-left: 30px;
    position: relative;
    margin-bottom: 10px;
    color: #fff;
}

.features-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-accent-blue);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    background: var(--color-bg-secondary);
    padding: 60px;
    border-radius: 8px;
    border: 1px solid var(--glass-border);
}

.contact-form input,
.contact-form textarea {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 18px;
    color: #fff;
    border-radius: 4px;
    font-family: var(--font-primary);
    font-size: 15px;
}

.contact-form textarea {
    min-height: 150px;
    resize: vertical;
}

/* Footer */
footer {
    background: #000;
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid var(--glass-border);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 20px;
}

.footer-links a {
    color: var(--color-text-primary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    opacity: 0.8;
    transition: 0.3s;
}

.footer-links a:hover {
    color: var(--color-accent-blue);
    opacity: 1;
}

/* Modal Overlay & Content */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    z-index: 10000;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.modal-overlay.open {
    display: flex;
}

.modal-content {
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 100%);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    max-width: 600px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    padding: 40px;
    position: relative;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 25px;
    font-size: 32px;
    color: #fff;
    cursor: pointer;
    opacity: 0.6;
    transition: 0.3s;
    line-height: 1;
}

.modal-close:hover {
    opacity: 1;
    color: var(--color-accent-blue);
}

.modal-header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--glass-border);
}

#modal-icon {
    font-size: 32px !important;
    display: block;
    margin-bottom: 15px;
}

#modal-icon svg {
    width: 48px !important;
    height: 48px !important;
    stroke: var(--color-accent-blue);
    margin: 0 auto;
}

.modal-header h3 {
    color: #fff;
    font-size: 24px;
    margin: 0;
}

.modal-body {
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.modal-body p {
    margin-bottom: 20px;
    font-size: 15px;
}

.modal-body ul {
    list-style: none;
    padding: 0;
}

.modal-body ul li {
    padding: 10px 0;
    padding-left: 25px;
    position: relative;
    font-size: 14px;
}

.modal-body ul li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-accent-blue);
    font-weight: bold;
}

/* Scroll Animation */
.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-standard);
}

.scroll-animate.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Mobile Optimization */
@media (max-width: 768px) {

    /* Container & Spacing */
    .container {
        padding: 0 20px;
    }

    section {
        padding: 60px 0;
    }

    /* Typography */
    h1 {
        font-size: clamp(32px, 8vw, 48px);
        line-height: 1.2;
    }

    h2 {
        font-size: clamp(28px, 6vw, 36px);
        margin-bottom: 30px;
    }

    h3 {
        font-size: 20px;
    }

    p {
        font-size: 15px;
        line-height: 1.6;
    }

    /* Header & Navigation */
    .main-header {
        padding: 15px 0;
    }

    .logo img {
        height: 40px;
    }

    .header-btn {
        display: none;
    }

    .menu-btn {
        display: block;
    }

    .nav-links {
        position: fixed;
        right: -100%;
        top: 0;
        height: 100vh;
        width: 75%;
        max-width: 300px;
        background: #050e1a;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: 0.4s;
        z-index: 1500;
        box-shadow: -10px 0 30px #000;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links li {
        margin: 20px 0;
    }

    .nav-links a {
        font-size: 18px;
    }

    /* Hero */
    .hero {
        min-height: 85vh;
        height: auto;
        padding: 120px 0 60px;
    }

    .hero-subtitle {
        font-size: 12px;
        letter-spacing: 2px;
        margin-bottom: 15px;
    }

    .hero-content p {
        font-size: 16px;
        margin-bottom: 30px;
    }

    .hero-buttons {
        display: flex;
        flex-direction: column;
        gap: 12px;
        width: 100%;
    }

    .hero-buttons .btn {
        margin-left: 0 !important;
        width: 100%;
        font-size: 14px;
        padding: 14px 30px;
    }

    .btn-cta {
        font-size: 14px;
        padding: 14px 30px;
    }

    /* Partner Bar */
    .partner-bar {
        padding: 25px 0;
    }

    .partner-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .partner-badges {
        justify-content: center;
        gap: 10px;
    }

    .partner-badges span {
        font-size: 11px;
        padding: 8px 15px;
    }

    /* Service Cards */
    .services-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .service-card {
        padding: 35px 25px;
    }

    .service-icon svg {
        width: 35px !important;
        height: 35px !important;
    }

    .service-card h3 {
        font-size: 18px;
        margin: 15px 0 10px;
    }

    .service-card p {
        font-size: 14px;
    }

    /* About & Stats */
    .about-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .banner-stat h4 {
        font-size: 2.5rem;
    }

    .features-list li {
        font-size: 14px;
        padding: 8px 0;
    }

    /* Philosophy Section */
    .philosophy-section {
        padding: 50px 0 !important;
    }

    .philosophy-section h3 {
        font-size: 20px !important;
        margin-bottom: 20px !important;
        letter-spacing: 1px !important;
    }

    .philosophy-section p {
        font-size: 16px !important;
        line-height: 1.6 !important;
    }

    /* Contact Form */
    .contact-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }

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

    .info-item {
        justify-content: center;
        font-size: 14px;
    }

    .contact-form input,
    .contact-form textarea {
        padding: 14px;
        font-size: 14px;
    }

    .contact-form button {
        padding: 16px;
        font-size: 15px;
    }

    .form-group-checkbox label {
        font-size: 12px !important;
    }

    /* Modal */
    .modal-content {
        padding: 30px 20px;
        max-height: 90vh;
        margin: 0 15px;
    }

    #modal-icon svg {
        width: 40px !important;
        height: 40px !important;
    }

    .modal-header {
        margin-bottom: 20px;
        padding-bottom: 15px;
    }

    .modal-header h3 {
        font-size: 20px;
    }

    .modal-body p {
        font-size: 14px;
    }

    .modal-body ul li {
        font-size: 13px;
    }

    .modal-close {
        font-size: 28px;
        top: 15px;
        right: 15px;
    }

    /* Footer */
    footer {
        padding: 30px 0;
    }

    .footer-links {
        flex-direction: column;
        gap: 15px;
    }

    .footer-links a {
        font-size: 13px;
    }

    /* Top Bar */
    .top-bar {
        padding: 8px 0;
    }

    .top-bar-content {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .top-info {
        flex-direction: column;
        gap: 5px;
        font-size: 12px;
    }

    .top-info a {
        font-size: 12px;
    }

    .top-social span {
        font-size: 11px;
    }

    .icon-small {
        width: 14px;
        height: 14px;
        margin-right: 5px;
    }
}

/* Tablet Optimization */
@media (min-width: 769px) and (max-width: 1024px) {
    .container {
        padding: 0 30px;
    }

    h1 {
        font-size: clamp(48px, 6vw, 64px);
    }

    h2 {
        font-size: clamp(36px, 4vw, 42px);
    }

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

    .hero-buttons .btn {
        padding: 16px 38px;
        font-size: 15px;
    }
}