/* ============================================
   VERTIX LANDING PAGE - ADVANCED STYLING
   ============================================ */

:root {
    --primary-color: #00d9ff;
    --secondary-color: #7c3aed;
    --accent-color: #ff006e;
    --dark-bg: #0a0e27;
    --darker-bg: #050812;
    --card-bg: rgba(15, 23, 42, 0.8);
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --border-color: rgba(0, 217, 255, 0.1);
    --gradient-1: linear-gradient(135deg, #00d9ff 0%, #7c3aed 100%);
    --gradient-2: linear-gradient(135deg, #7c3aed 0%, #ff006e 100%);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
    color: var(--text-primary);
    overflow-x: hidden;
    position: relative;
}

/* ============================================
   GLOBAL STYLES
   ============================================ */

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

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    letter-spacing: -2px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.gradient-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn-primary {
    padding: 12px 32px;
    background: var(--gradient-1);
    color: var(--dark-bg);
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    box-shadow: 0 10px 30px rgba(0, 217, 255, 0.2);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 217, 255, 0.4);
}

.btn-secondary {
    padding: 10px 24px;
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-outline {
    padding: 12px 32px;
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.btn-outline:hover {
    background: rgba(0, 217, 255, 0.1);
    transform: translateY(-3px);
}

.btn-large {
    padding: 15px 40px;
    font-size: 1.1rem;
}

/* ============================================
   NAVIGATION BAR
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(5, 8, 18, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    cursor: pointer;
}

.logo-icon {
    font-size: 2rem;
    animation: pulse-icon 2s ease-in-out infinite;
}

@keyframes pulse-icon {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 40px;
    margin: 0;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

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

.nav-buttons {
    display: flex;
    gap: 15px;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 6px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
    background: linear-gradient(135deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
}

#particles-js {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 1;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 80px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 2;
    width: 100%;
}

.hero-text {
    flex: 1;
}

.hero-title {
    font-size: 3.8rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 25px;
    letter-spacing: -1px;
    animation: slideInLeft 0.8s ease forwards;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.6;
    animation: slideInLeft 0.8s ease 0.2s forwards;
    opacity: 0;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 60px;
    animation: slideInLeft 0.8s ease 0.4s forwards;
    opacity: 0;
}

.hero-stats {
    display: flex;
    gap: 50px;
    animation: slideInLeft 0.8s ease 0.6s forwards;
    opacity: 0;
}

.stat {
    text-align: left;
}

.stat h3 {
    font-size: 2rem;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 5px;
}

.stat p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.hero-visual {
    flex: 1;
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.floating-box {
    position: absolute;
    border: 2px solid var(--border-color);
    border-radius: 15px;
    backdrop-filter: blur(10px);
    background: rgba(0, 217, 255, 0.05);
}

.box-1 {
    width: 200px;
    height: 200px;
    top: 20px;
    right: 50px;
    animation: float 6s ease-in-out infinite;
}

.box-2 {
    width: 150px;
    height: 150px;
    bottom: 80px;
    left: 50px;
    animation: float 8s ease-in-out infinite 1s;
}

.box-3 {
    width: 120px;
    height: 120px;
    top: 200px;
    left: 100px;
    animation: float 7s ease-in-out infinite 2s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) translateX(0px); }
    25% { transform: translateY(-20px) translateX(15px); }
    50% { transform: translateY(-40px) translateX(0px); }
    75% { transform: translateY(-20px) translateX(-15px); }
}

.tech-grid {
    position: absolute;
    width: 300px;
    height: 300px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    opacity: 0.3;
}

.grid-item {
    background: var(--border-color);
    border-radius: 10px;
    border: 1px solid var(--primary-color);
    animation: pulse-grid 3s ease-in-out infinite;
}

@keyframes pulse-grid {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    animation: bounce 2s ease-in-out infinite;
}

.scroll-indicator span {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.mouse {
    width: 25px;
    height: 40px;
    border: 2px solid var(--primary-color);
    border-radius: 12px;
    position: relative;
}

.mouse::after {
    content: '';
    position: absolute;
    width: 3px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 2px;
    left: 50%;
    top: 8px;
    transform: translateX(-50%);
    animation: wheel 1.5s infinite;
}

@keyframes wheel {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(15px); }
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

/* ============================================
   ABOUT SECTION
   ============================================ */

.about {
    padding: 120px 0;
    position: relative;
    background: linear-gradient(180deg, var(--dark-bg) 0%, var(--darker-bg) 100%);
}

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

.about-content h3 {
    font-size: 2.5rem;
    margin-bottom: 25px;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-content p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 30px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: rgba(0, 217, 255, 0.05);
    border-left: 3px solid var(--primary-color);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.feature-item:hover {
    background: rgba(0, 217, 255, 0.1);
    transform: translateX(10px);
}

.feature-icon {
    font-size: 1.5rem;
}

.about-visual {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-graphic {
    position: relative;
    width: 300px;
    height: 300px;
}

.circle {
    position: absolute;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    animation: rotate-circle 20s linear infinite;
}

.circle-1 {
    width: 300px;
    height: 300px;
    top: 0;
    left: 0;
}

.circle-2 {
    width: 200px;
    height: 200px;
    top: 50px;
    left: 50px;
    animation: rotate-circle 20s linear infinite reverse;
}

.circle-3 {
    width: 100px;
    height: 100px;
    top: 100px;
    left: 100px;
}

@keyframes rotate-circle {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.center-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.2rem;
    letter-spacing: 2px;
}

/* ============================================
   SOLUTIONS SECTION
   ============================================ */

.solutions {
    padding: 120px 0;
    position: relative;
    background: linear-gradient(180deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
}

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

.solution-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 40px 30px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-1);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
}

.solution-card:hover::before {
    transform: translateX(0);
}

.solution-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 217, 255, 0.15);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.solution-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.solution-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 25px;
}

.card-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.card-features li {
    color: var(--text-secondary);
    padding-left: 25px;
    position: relative;
}

.card-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* ============================================
   WHY US SECTION
   ============================================ */

.why-us {
    padding: 120px 0;
    position: relative;
    background: linear-gradient(180deg, var(--dark-bg) 0%, var(--darker-bg) 100%);
}

.reasons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.reason-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 40px;
    transition: all 0.3s ease;
    position: relative;
}

.reason-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-10px);
    background: rgba(0, 217, 255, 0.05);
}

.reason-number {
    font-size: 3rem;
    font-weight: 700;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
}

.reason-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
}

.reason-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   ADVANTAGES SECTION
   ============================================ */

.advantages {
    padding: 120px 0;
    position: relative;
    background: linear-gradient(180deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
}

.advantages-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.advantage-item {
    text-align: center;
    padding: 40px 30px;
    background: rgba(0, 217, 255, 0.02);
    border-radius: 15px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.advantage-item:hover {
    background: rgba(0, 217, 255, 0.08);
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.advantage-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
    display: block;
}

.advantage-item h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.advantage-item p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   MISSION & VISION SECTION
   ============================================ */

.mission-vision {
    padding: 120px 0;
    position: relative;
    background: linear-gradient(180deg, var(--dark-bg) 0%, var(--darker-bg) 100%);
}

.mission-vision-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.mission-card,
.vision-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 50px;
    transition: all 0.3s ease;
}

.mission-card:hover,
.vision-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 20px 50px rgba(0, 217, 255, 0.15);
    transform: translateY(-10px);
}

.card-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 25px;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mission-card p,
.vision-card p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 25px;
    font-size: 1.05rem;
}

.mission-points,
.vision-points {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.mission-points li,
.vision-points li {
    color: var(--text-secondary);
    padding-left: 30px;
    position: relative;
    line-height: 1.6;
}

.mission-points li::before,
.vision-points li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* ============================================
   CTA SECTION
   ============================================ */

.cta {
    padding: 120px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    top: -200px;
    right: -200px;
}

.cta::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    bottom: -150px;
    left: -150px;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 2;
}

.cta-content h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--dark-bg);
}

.cta-content p {
    font-size: 1.3rem;
    color: rgba(10, 14, 39, 0.8);
    margin-bottom: 40px;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.cta .btn-primary {
    background: var(--dark-bg);
    color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(10, 14, 39, 0.3);
}

.cta .btn-primary:hover {
    transform: translateY(-5px);
}

.cta .btn-outline {
    border-color: var(--dark-bg);
    color: var(--dark-bg);
}

.cta .btn-outline:hover {
    background: rgba(10, 14, 39, 0.1);
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: var(--darker-bg);
    border-top: 1px solid var(--border-color);
    padding: 80px 0 40px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 50px;
    margin-bottom: 50px;
}

.footer-section h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: var(--primary-color);
    font-weight: 700;
}

.footer-section p {
    color: var(--text-secondary);
    line-height: 1.6;
}

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

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-section a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: var(--text-secondary);
}

.social-links {
    display: flex;
    gap: 25px;
}

.social-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
}

.social-links a:hover {
    color: var(--primary-color);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 1024px) {
    .hero-content {
        gap: 40px;
    }

    .about-grid,
    .mission-vision-grid {
        grid-template-columns: 1fr;
    }

    .hero-visual {
        height: 300px;
    }

    .floating-box {
        width: 150px !important;
        height: 150px !important;
    }

    .section-title {
        font-size: 2.5rem;
    }

    .hero-title {
        font-size: 2.8rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .hero-content {
        flex-direction: column;
        text-align: center;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-buttons {
        justify-content: center;
        flex-direction: column;
    }

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

    .hero-visual {
        height: 250px;
        margin-top: 30px;
    }

    .solutions-grid,
    .reasons-grid,
    .advantages-content {
        grid-template-columns: 1fr;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .cta-buttons {
        flex-direction: column;
    }
}

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

    .section-title {
        font-size: 1.8rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 25px;
    }

    .nav-container {
        padding: 0 15px;
    }

    .solution-card,
    .reason-card,
    .advantage-item,
    .mission-card,
    .vision-card {
        padding: 30px 20px;
    }
}