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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: #000;
    color: #fff;
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 60px;
    position: relative;
}

/* Header */
.header {
    background-color: #000;
    padding: 20px 60px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.logo {
    margin-right: 60px;
}

.logo img {
    width: 60px;
    height: 60px;
    object-fit: contain;
}

.nav-primary {
    flex: 1;
}

.nav-primary .nav-menu {
    display: flex;
    align-items: center;
    gap: 35px;
    list-style: none;
}

.nav-secondary {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-left: auto;
}

.nav-secondary .nav-menu {
    display: flex;
    align-items: center;
    gap: 35px;
    list-style: none;
}

.nav-menu li {
    display: flex;
    align-items: center;
    gap: 5px;
}

.nav-menu a {
    color: #fff;
    text-decoration: none;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    transition: opacity 0.3s;
}

.nav-menu a:hover {
    opacity: 0.7;
}

.dropdown-arrow {
    font-size: 8px;
    color: #fff;
}

.cta-button {
    background: linear-gradient(135deg, #00d9a5 0%, #00b4d8 100%);
    color: #fff;
    padding: 14px 35px;
    border: none;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 25px rgba(0, 217, 165, 0.4);
}

.mobile-menu {
    display: flex;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.mobile-menu span {
    width: 28px;
    height: 2px;
    background-color: #fff;
    transition: all 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    padding: 140px 60px 60px;
    overflow: visible;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('images/hero_bg.png');
    background-size: cover;
    background-position: center;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0,217,165,0.2) 0%, rgba(0,180,216,0.2) 50%, rgba(139,92,246,0.2) 100%);
    z-index: 2;
}

.hero .container {
    position: relative;
    z-index: 3;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 60px;
}

.hero-content {
    max-width: 600px;
}

.hero-tags {
    display: flex;
    gap: 30px;
    margin-bottom: 30px;
}

.hero-tags span {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    opacity: 0.9;
}

.hero h1 {
    font-size: 72px;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 40px;
    letter-spacing: -2px;
    color: #fff;
}

.hero-button {
    padding: 16px 40px;
    font-size: 13px;
}

/* Snail/Ribbon Overlay */
.snail-overlay {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 120%;
    z-index: 4;
    pointer-events: none;
}

.snail-overlay img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: top right;
}

/* What We Do Section */
.what-we-do {
    position: relative;
    padding: 120px 60px;
    background-color: #000;
    margin-top: -100px;
    z-index: 5;
}

.what-we-do .container {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 60px;
}

.what-we-do h2 {
    font-size: 36px;
    font-weight: 400;
    line-height: 1.4;
    max-width: 800px;
    margin: 0 auto;
    color: #fff;
}

.what-we-do h2 strong {
    font-weight: 600;
}

/* Section Tag */
.section-tag {
    display: block;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 20px;
    opacity: 0.7;
}

/* Solutions Section */
.solutions {
    padding: 120px 60px;
    background-color: #fff;
    color: #000;
}

.solutions h2 {
    font-size: 36px;
    font-weight: 400;
    line-height: 1.4;
    margin-bottom: 60px;
}

.solutions h2 strong {
    font-weight: 600;
}

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

.solutions-image img {
    width: 100%;
    border-radius: 8px;
}

.solution-item {
    padding: 30px 0;
    border-bottom: 1px solid #e5e5e5;
    cursor: pointer;
    transition: all 0.3s;
}

.solution-item.active {
    border-bottom: 1px solid #000;
}

.solution-item:not(.active):hover {
    opacity: 0.7;
}

.solution-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.solution-icon {
    font-size: 24px;
    color: #000;
}

.solution-item h3 {
    font-size: 20px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.solution-item p {
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 20px;
    color: #666;
}

.solution-item h4 {
    font-size: 16px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-black {
    background: #000;
    color: #fff;
    padding: 12px 30px;
    border: none;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    transition: transform 0.3s;
}

.btn-black:hover {
    transform: translateY(-2px);
}

/* Network Section */
.network {
    padding: 140px 60px;
    background-color: #000;
    text-align: center;
}

.network h2 {
    font-size: 36px;
    font-weight: 400;
    line-height: 1.4;
    margin-bottom: 40px;
    color: #fff;
}

.network h2 strong {
    font-weight: 600;
}

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

.btn-outline {
    background: transparent;
    color: #fff;
    padding: 14px 35px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-outline:hover {
    border-color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

/* About Section */
.about {
    padding: 120px 60px;
    background-color: #fff;
    color: #000;
}

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

.about-image img {
    width: 100%;
    border-radius: 8px;
}

.about-content h2 {
    font-size: 36px;
    font-weight: 400;
    line-height: 1.4;
    margin-bottom: 30px;
}

/* Partners Section */
.partners {
    padding: 80px 60px;
    background-color: #f8f8f8;
    color: #000;
}

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

.partner-logo {
    opacity: 0.6;
    transition: opacity 0.3s;
}

.partner-logo:hover {
    opacity: 1;
}

.partner-logo img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.partner-logo span {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 2px;
}

/* Case Study Section */
.case-study {
    position: relative;
    padding: 200px 60px;
    overflow: hidden;
}

.case-study-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.case-study-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.6;
}

.case-study-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.case-study-content h2 {
    font-size: 72px;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: -2px;
    color: #fff;
}

.case-study-content p {
    font-size: 18px;
    opacity: 0.9;
    color: #fff;
}

/* Why Castnet Section */
.why-castnet {
    padding: 120px 60px;
    background-color: #000;
}

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

.why-image img {
    width: 100%;
    border-radius: 8px;
}

.why-content h2 {
    font-size: 48px;
    font-weight: 400;
    line-height: 1.3;
    margin-bottom: 20px;
    color: #fff;
}

.why-content h2 strong {
    font-weight: 600;
}

.why-content p {
    font-size: 16px;
    opacity: 0.8;
    margin-bottom: 30px;
}

.btn-white {
    background: #fff;
    color: #000;
    padding: 14px 35px;
    border: none;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    cursor: pointer;
    transition: transform 0.3s;
}

.btn-white:hover {
    transform: translateY(-2px);
}

/* CTA Section */
.cta-section {
    padding: 140px 60px;
    background: linear-gradient(to bottom, #000, #0a0a0a);
    text-align: center;
}

.cta-section h2 {
    font-size: 48px;
    font-weight: 400;
    line-height: 1.3;
    margin-bottom: 40px;
    color: #fff;
}

.cta-section h2 strong {
    font-weight: 600;
}

/* Footer */
.footer {
    padding: 80px 60px 40px;
    background-color: #000;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-cta h3 {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 10px;
    opacity: 0.7;
}

.footer-cta p {
    font-size: 18px;
}

.footer-contact {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 60px;
}

.footer-col h4 {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 15px;
    opacity: 0.7;
}

.footer-col p {
    font-size: 14px;
    line-height: 1.8;
    opacity: 0.8;
}

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

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

.footer-col ul li a {
    color: #fff;
    text-decoration: none;
    font-size: 14px;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.footer-col ul li a:hover {
    opacity: 1;
}

.btn-link {
    background: none;
    border: none;
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    margin-top: 15px;
    padding: 0;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.btn-link:hover {
    opacity: 1;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 12px;
    opacity: 0.6;
}

/* Responsive */
@media (max-width: 1200px) {
    .nav-primary,
    .nav-secondary .nav-menu {
        display: none;
    }
    
    .mobile-menu {
        display: flex;
    }
    
    .container {
        padding: 0 30px;
    }
    
    .header {
        padding: 20px 30px;
    }
    
    .hero h1 {
        font-size: 48px;
    }
    
    .solutions-grid,
    .about-grid,
    .why-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-contact {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}
/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */

/* Large Tablets and Small Laptops (max-width: 1200px) */
@media (max-width: 1200px) {
    .container {
        padding: 0 40px;
    }
    
    /* Header */
    .header {
        padding: 15px 40px;
    }
    
    .logo {
        margin-right: 30px;
    }
    
    .nav-primary .nav-menu,
    .nav-secondary .nav-menu {
        gap: 25px;
    }
    
    .nav-menu a {
        font-size: 11px;
    }
    
    /* Hero */
    .hero h1 {
        font-size: 56px;
    }
    
    .snail-overlay {
        width: 45%;
    }
    
    /* Solutions */
    .solutions-grid {
        gap: 50px;
    }
    
    /* Network */
    .network h2 {
        font-size: 32px;
    }
    
    /* About & Why */
    .about-grid,
    .why-grid {
        gap: 60px;
    }
    
    /* Footer */
    .footer-contact {
        gap: 40px;
    }
}

/* Tablets (max-width: 1024px) */
@media (max-width: 1024px) {
    .container {
        padding: 0 30px;
    }
    
    /* Header - Show mobile menu */
    .nav-primary {
        display: none;
    }
    
    .nav-secondary .nav-menu {
        display: none;
    }
    
    .mobile-menu {
        display: flex;
    }
    
    .cta-button {
        padding: 12px 25px;
        font-size: 11px;
    }
    
    /* Hero */
    .hero {
        padding: 120px 30px 40px;
    }
    
    .hero h1 {
        font-size: 48px;
    }
    
    .hero-tags {
        gap: 20px;
    }
    
    .snail-overlay {
        width: 50%;
        opacity: 0.6;
    }
    
    /* What We Do */
    .what-we-do {
        padding: 80px 30px;
    }
    
    .what-we-do h2 {
        font-size: 28px;
    }
    
    /* Solutions */
    .solutions {
        padding: 80px 30px;
    }
    
    .solutions h2 {
        font-size: 28px;
        margin-bottom: 40px;
    }
    
    .solutions-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    /* Network */
    .network {
        padding: 100px 30px;
    }
    
    .network h2 {
        font-size: 28px;
    }
    
    /* About */
    .about {
        padding: 80px 30px;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-content h2 {
        font-size: 28px;
    }
    
    /* Partners */
    .partners {
        padding: 60px 30px;
    }
    
    .partners-grid {
        gap: 30px;
    }
    
    /* Case Study */
    .case-study {
        padding: 120px 30px;
    }
    
    .case-study-content h2 {
        font-size: 48px;
    }
    
    /* Why Castnet */
    .why-castnet {
        padding: 80px 30px;
    }
    
    .why-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .why-content h2 {
        font-size: 36px;
    }
    
    /* CTA Section */
    .cta-section {
        padding: 100px 30px;
    }
    
    .cta-section h2 {
        font-size: 36px;
    }
    
    /* Footer */
    .footer {
        padding: 60px 30px 30px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-contact {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

/* Mobile Devices (max-width: 768px) */
@media (max-width: 768px) {
    /* Header */
    .header {
        padding: 15px 20px;
    }
    
    .logo {
        margin-right: auto;
    }
    
    .logo img {
        width: 50px;
        height: 50px;
    }
    
    .mobile-menu {
        display: flex;
    }
    
    .mobile-menu span {
        width: 25px;
    }
    
    /* Hero */
    .hero {
        padding: 100px 20px 30px;
        min-height: auto;
        padding-bottom: 60px;
    }
    
    .hero-bg {
        background-position: center right;
    }
    
    .hero-overlay {
        background: linear-gradient(135deg, rgba(0,217,165,0.15) 0%, rgba(0,180,216,0.15) 50%, rgba(139,92,246,0.15) 100%);
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-tags {
        flex-direction: column;
        gap: 10px;
        margin-bottom: 20px;
    }
    
    .hero h1 {
        font-size: 36px;
        line-height: 1.2;
    }
    
    .hero-button {
        padding: 14px 30px;
        font-size: 12px;
    }
    
    .snail-overlay {
        display: none; /* Hide on mobile for better performance */
    }
    
    /* What We Do */
    .what-we-do {
        padding: 60px 20px;
        margin-top: -50px;
    }
    
    .what-we-do h2 {
        font-size: 24px;
        line-height: 1.4;
    }
    
    /* Section Tag */
    .section-tag {
        font-size: 10px;
        margin-bottom: 15px;
    }
    
    /* Solutions */
    .solutions {
        padding: 60px 20px;
    }
    
    .solutions h2 {
        font-size: 24px;
    }
    
    .solution-item h3 {
        font-size: 16px;
    }
    
    .solution-item h4 {
        font-size: 14px;
    }
    
    .solution-item p {
        font-size: 13px;
    }
    
    /* Network */
    .network {
        padding: 80px 20px;
    }
    
    .network h2 {
        font-size: 24px;
    }
    
    .network-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .cta-button,
    .btn-outline {
        width: 100%;
        max-width: 300px;
    }
    
    /* About */
    .about {
        padding: 60px 20px;
    }
    
    .about-content h2 {
        font-size: 24px;
    }
    
    /* Partners */
    .partners {
        padding: 40px 20px;
    }
    
    .partners-grid {
        flex-direction: column;
        gap: 30px;
    }
    
    .partner-logo {
        width: 100%;
        text-align: center;
    }
    
    .partner-logo img {
        max-height: 35px;
    }
    
    /* Case Study */
    .case-study {
        padding: 80px 20px;
    }
    
    .case-study-content h2 {
        font-size: 36px;
    }
    
    .case-study-content p {
        font-size: 16px;
    }
    
    /* Why Castnet */
    .why-castnet {
        padding: 60px 20px;
    }
    
    .why-content h2 {
        font-size: 28px;
    }
    
    .why-content p {
        font-size: 14px;
    }
    
    /* CTA Section */
    .cta-section {
        padding: 80px 20px;
    }
    
    .cta-section h2 {
        font-size: 28px;
    }
    
    /* Footer */
    .footer {
        padding: 40px 20px 20px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-cta h3 {
        font-size: 12px;
    }
    
    .footer-cta p {
        font-size: 16px;
    }
    
    .footer-contact {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-col h4 {
        font-size: 11px;
    }
    
    .footer-col p {
        font-size: 13px;
    }
    
    .footer-col ul li a {
        font-size: 13px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 15px;
        font-size: 11px;
    }
}

/* Small Mobile Devices (max-width: 480px) */
@media (max-width: 480px) {
    /* Header */
    .header {
        padding: 12px 15px;
    }
    
    .logo img {
        width: 40px;
        height: 40px;
    }
    
    /* Hero */
    .hero {
        padding: 90px 15px 25px;
    }
    
    .hero h1 {
        font-size: 28px;
    }
    
    .hero-button {
        padding: 12px 25px;
        font-size: 11px;
        width: 100%;
        max-width: 250px;
    }
    
    /* What We Do */
    .what-we-do h2 {
        font-size: 20px;
    }
    
    /* Solutions */
    .solutions h2 {
        font-size: 20px;
    }
    
    .solution-item {
        padding: 20px 0;
    }
    
    /* Network */
    .network h2 {
        font-size: 20px;
    }
    
    /* About */
    .about-content h2 {
        font-size: 20px;
    }
    
    /* Case Study */
    .case-study-content h2 {
        font-size: 28px;
    }
    
    /* Why Castnet */
    .why-content h2 {
        font-size: 24px;
    }
    
    /* CTA Section */
    .cta-section h2 {
        font-size: 24px;
    }
    
    /* Buttons */
    .cta-button,
    .btn-black,
    .btn-white,
    .btn-outline {
        padding: 12px 25px;
        font-size: 11px;
    }
}

/* Landscape orientation on mobile */
@media (max-width: 768px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: 100px 20px 40px;
    }
    
    .hero h1 {
        font-size: 32px;
    }
    
    .snail-overlay {
        display: none;
    }
}

/* Print styles */
@media print {
    .header,
    .mobile-menu,
    .snail-overlay,
    .hero-bg,
    .hero-overlay,
    .case-study-bg {
        display: none;
    }
    
    body {
        background: #fff;
        color: #000;
    }
    
    .hero {
        min-height: auto;
        padding: 20px;
    }
    
    .hero h1 {
        font-size: 24px;
        color: #000;
    }
}
:root {
      --bg: #0a0c0f;
      --surface: #121622;
      --text: #f5f7fa;
      --muted: #b3bac7;
      --accent: #00ff9d;
      --accent2: #bb86fc;
      --border: rgba(0, 255, 157, 0.18);
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      font-family: Inter, "Segoe UI", -apple-system, BlinkMacSystemFont, sans-serif;
      min-height: 100vh;
      background: var(--bg);
      color: var(--text);
      line-height: 1.5;
    }
    a { color: inherit; text-decoration: none; }
    .container { width: min(1200px, 92%); margin: 0 auto; }

    /* ── Header ─────────────────────────────────────────────────────────── */
    .header {
      position: fixed; top: 0; left: 0; width: 100%;
      background: rgba(10, 12, 15, 0.95);
      border-bottom: 1px solid rgba(0, 255, 157, .12);
      backdrop-filter: blur(12px); z-index: 999;
      display: flex; align-items: center; justify-content: space-between;
      padding: 0 4%;
      transition: box-shadow 0.3s ease;
    }
    .header.scrolled {
      box-shadow: 0 4px 24px rgba(0,0,0,.5);
    }
    .logo img { height: 40px; display: block; }

    .nav-primary, .nav-secondary { display: flex; align-items: center; }
    .nav-menu {
      display: flex; align-items: center; gap: 0; list-style: none; margin: 0; padding: 0;
    }

    /* ── Nav items ──────────────────────────────────────────────────────── */
    .nav-menu li {
      position: relative;
    }
    .nav-menu li a {
      display: block; padding: 1.1rem 1rem;
      font-size: 0.88rem; font-weight: 500; letter-spacing: .04em;
      color: var(--muted);
      transition: color 0.2s;
      white-space: nowrap;
    }
    .nav-menu li a:hover { color: var(--accent); }

    /* Arrow inline with the link text */
    .nav-menu li.has-dropdown {
      display: flex; align-items: center;
    }
    .nav-menu li.has-dropdown > a {
      padding-right: 0.3rem;
    }
    .dropdown-arrow {
      font-size: 0.6rem; color: var(--muted); cursor: pointer;
      padding: 1.1rem 0.7rem 1.1rem 0;
      transition: transform 0.25s ease, color 0.2s;
      user-select: none;
      line-height: 1;
    }
    .has-dropdown.open .dropdown-arrow {
      transform: rotate(180deg); color: var(--accent);
    }
    .has-dropdown.open > a { color: var(--accent); }

    /* ── Dropdown menus ─────────────────────────────────────────────────── */
    .dropdown-menu {
      position: absolute; top: calc(100% + 6px); left: 0;
      min-width: 220px;
      background: rgba(14, 17, 24, 0.97);
      border: 1px solid rgba(0, 255, 157, .15);
      border-radius: 10px;
      padding: 0.5rem 0;
      opacity: 0; visibility: hidden; pointer-events: none;
      transform: translateY(-8px);
      transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s;
      backdrop-filter: blur(14px);
      box-shadow: 0 16px 40px rgba(0,0,0,.55);
      z-index: 1000;
    }
    .has-dropdown.open .dropdown-menu {
      opacity: 1; visibility: visible; pointer-events: auto;
      transform: translateY(0);
    }
    .dropdown-menu li { display: block; }
    .dropdown-menu li a {
      padding: 0.65rem 1.1rem;
      font-size: 0.85rem; font-weight: 400; color: var(--muted);
      display: flex; align-items: center; gap: 0.55rem;
      border-radius: 6px; margin: 0 0.3rem;
      transition: background 0.15s, color 0.15s;
    }
    .dropdown-menu li a:hover {
      background: rgba(0, 255, 157, 0.08); color: var(--accent);
    }
    .dropdown-menu li a .dm-icon {
      font-size: 1rem; opacity: 0.75;
    }
    .dropdown-divider {
      height: 1px; background: rgba(255,255,255,.07);
      margin: 0.35rem 0.8rem;
    }
    .dropdown-menu .dm-label {
      display: block; padding: 0.55rem 1.1rem 0.2rem;
      font-size: 0.7rem; letter-spacing: .1em; text-transform: uppercase;
      color: rgba(255,255,255,.28); font-weight: 600;
    }

    /* ── CTA button ─────────────────────────────────────────────────────── */
    .cta-button {
      padding: 0.65rem 1.2rem; border-radius: 50px; border: 0;
      background: linear-gradient(135deg, var(--accent), var(--accent2));
      color: #0a0c0f; font-weight: 700; cursor: pointer;
      font-size: 0.85rem; white-space: nowrap; margin-left: 0.6rem;
      transition: transform 0.25s ease, box-shadow 0.25s ease;
    }
    .cta-button:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(0,255,157,.35);
    }

    /* ── Hero ───────────────────────────────────────────────────────────── */
    .hero {
      min-height: 84vh; padding: 120px 0 60px;
      display: flex; align-items: center; justify-content: center;
      text-align: center; position: relative; overflow: hidden;
      background: linear-gradient(145deg, #080a0e, #161b25);
    }
    .hero::before {
      content: ""; position: absolute; inset: 0;
      background-image:
        radial-gradient(circle at 30% 30%, rgba(0,255,157,0.18), transparent 45%),
        radial-gradient(circle at 70% 75%, rgba(187,134,252,0.16), transparent 45%);
      pointer-events: none;
    }
    .hero-content { position: relative; z-index: 1; max-width: 760px; }
    .hero h1 {
      font-size: clamp(2.2rem, 5vw, 4rem); letter-spacing: .02em;
      line-height: 1.05; margin-bottom: 0.9rem;
      background: linear-gradient(135deg, #fff, #00ff9d);
      -webkit-background-clip: text; color: transparent;
    }
    .hero p {
      color: #cfd4db; max-width: 620px; margin: 0 auto 1.5rem;
      font-size: 1.12rem;
    }
    .hero-tags { display: flex; gap: 0.6rem; justify-content: center; margin-bottom: 1.4rem; }
    .hero-tags span {
      font-size: 0.72rem; font-weight: 600; letter-spacing: .1em;
      padding: 0.35rem 0.85rem; border-radius: 50px;
      border: 1px solid rgba(0,255,157,.35); color: var(--accent);
    }
    .hero-button { margin-top: 0.6rem; }

    /* ── Sections ───────────────────────────────────────────────────────── */
    .section {
      padding: 70px 0;
      border-top: 1px solid var(--border);
      background: var(--surface);
    }
    .section h2 {
      font-size: clamp(1.8rem, 4vw, 2.4rem); margin-bottom: 1.1rem;
      background: linear-gradient(135deg, var(--accent), var(--accent2));
      -webkit-background-clip: text; color: transparent;
    }
    .section p { color: var(--muted); margin-bottom: 1.6rem; }

    /* ── Mobile hamburger ───────────────────────────────────────────────── */
    .mobile-menu {
      display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 0.5rem;
    }
    .mobile-menu span {
      display: block; width: 22px; height: 2px;
      background: var(--muted); border-radius: 2px;
      transition: transform 0.25s, opacity 0.25s;
    }
    .mobile-menu.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .mobile-menu.open span:nth-child(2) { opacity: 0; }
    .mobile-menu.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

    @media (max-width: 800px) {
      .nav-primary, .nav-secondary .nav-menu { display: none; }
      .mobile-menu { display: flex; }
      .header { padding: 0.75rem 4%; }
    }

    /* ── Footer ─────────────────────────────────────────────────────────── */
    footer.footer {
      background: #0a0c0f; padding: 56px 0 28px; border-top: 1px solid var(--border);
      color: #b8bec5;
    }
    .footer-grid {
      display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1.2rem;
    }
    .footer h3 { color: var(--accent); margin-bottom: .8rem; }
    .footer h4 { margin-bottom: .55rem; color: #fff; font-size: 0.82rem; letter-spacing: .06em; }
    .footer p, .footer a { font-size: .92rem; line-height: 1.55; }
    .footer a:hover { color: var(--accent); }
    .footer ul { list-style: none; }
    .footer ul li { margin-bottom: 0.35rem; }
    .footer-bottom {
      display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem;
      margin-top: 2.5rem; padding-top: 1.2rem;
      border-top: 1px solid rgba(255,255,255,.06);
      font-size: 0.82rem; color: rgba(255,255,255,.35);
    }
    .btn-link {
      background: none; border: none; color: var(--accent);
      cursor: pointer; font-size: 0.82rem; font-weight: 600;
      letter-spacing: .06em; padding: 0; margin-top: 0.4rem;
    }
    .btn-link:hover { text-decoration: underline; }