:root {
    color-scheme: light;
    /* Responsive Breakpoints - Mobile First */
    --breakpoint-sm: 480px; /* Small mobile */
    --breakpoint-md: 768px; /* Tablet */
    --breakpoint-lg: 1024px; /* Desktop */
    --breakpoint-xl: 1200px; /* Large desktop */
    /* Responsive Spacing System */
    --spacing-xs: 0.25rem; /* 4px */
    --spacing-sm: 0.5rem; /* 8px */
    --spacing-md: 1rem; /* 16px */
    --spacing-lg: 1.5rem; /* 24px */
    --spacing-xl: 2rem; /* 32px */
    --spacing-2xl: 3rem; /* 48px */
    --spacing-3xl: 4rem; /* 64px */
    --spacing-4xl: 6rem; /* 96px */
    /* Container Sizes */
    --container-sm: 100%;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1200px;
    --container-padding: var(--spacing-md);
    /* Typography Scale - Fluid Sizing */
    --font-size-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --font-size-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
    --font-size-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
    --font-size-lg: clamp(1.125rem, 1rem + 0.625vw, 1.25rem);
    --font-size-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
    --font-size-2xl: clamp(1.5rem, 1.3rem + 1vw, 2rem);
    --font-size-3xl: clamp(2rem, 1.7rem + 1.5vw, 2.75rem);
    --font-size-4xl: clamp(2.75rem, 2.2rem + 2.75vw, 3.75rem);
    /* Line Heights */
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;
    /* Touch Target Sizes */
    --touch-target-min: 44px;
    --touch-spacing-min: 8px;
    /* Light Theme Design System Colors */
    --bg-gradient: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    --surface-glass: rgba(255, 255, 255, 0.9);
    --surface-glass-strong: rgba(255, 255, 255, 0.95);
    --border-glass: rgba(0, 0, 0, 0.1);
    --color-text: #1e293b;
    --color-muted: rgba(71, 85, 105, 0.8);
    --color-accent: #3b82f6;
    --color-accent-soft: rgba(59, 130, 246, 0.1);
    --color-accent-strong: rgba(59, 130, 246, 0.2);
    --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-md: 0 10px 25px -3px rgba(0, 0, 0, 0.1);
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --transition-base: 180ms ease;
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--bg-gradient);
    color: var(--color-text);
    font-family: inherit;
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Responsive Media */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

video,
iframe,
embed,
object {
    max-width: 100%;
    height: auto;
}

/* Responsive Tables */
table {
    width: 100%;
    overflow-x: auto;
    display: block;
    white-space: nowrap;
}

@media (min-width: 768px) {
    table {
        display: table;
        white-space: normal;
    }
}

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

a:hover,
a:focus {
    color: var(--color-accent);
}

/* Mobile-First Container System */
.container {
    width: 100%;
    max-width: var(--container-sm);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.container.narrow {
    max-width: calc(var(--container-md) * 0.75);
}

/* Responsive Container Sizes */
@media (min-width: 480px) {
    .container {
        max-width: var(--container-md);
        padding: 0 var(--spacing-lg);
    }
}

@media (min-width: 768px) {
    .container {
        max-width: var(--container-lg);
        padding: 0 var(--spacing-xl);
    }
}

@media (min-width: 1024px) {
    .container {
        max-width: var(--container-xl);
        padding: 0 var(--spacing-2xl);
    }
}

@media (min-width: 1200px) {
    .container {
        padding: 0 var(--spacing-3xl);
    }
}

.skip-link {
    position: absolute;
    left: -999px;
    top: -999px;
    padding: 0.75rem 1.5rem;
    background: var(--color-accent);
    color: #fff;
    border-radius: 999px;
    z-index: 1000;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-link:focus {
    left: 1rem;
    top: 1rem;
}

.navbar {
    position: sticky;
    top: 0;
    z-index: 900;
    backdrop-filter: blur(16px);
    background: rgba(255, 255, 255, 0.9);
    border-bottom: 1px solid var(--border-glass);
    transition: padding var(--transition-base), background var(--transition-base), border-color var(--transition-base);
    padding: var(--spacing-md) 0;
}

@media (min-width: 768px) {
    .navbar {
        padding: var(--spacing-lg) 0;
    }
}

.navbar.scrolled {
    position: fixed;
    width: 100%
}

@media (min-width: 768px) {
    .navbar.scrolled {
        padding: var(--spacing-md) 0;
    }
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    width: 100%;
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

@media (min-width: 480px) {
    .nav-inner {
        padding: 0 var(--spacing-lg);
    }
}

@media (min-width: 768px) {
    .nav-inner {
        padding: 0 var(--spacing-xl);
    }
}

@media (min-width: 1024px) {
    .nav-inner {
        padding: 0 var(--spacing-2xl);
    }
}

@media (min-width: 1200px) {
    .nav-inner {
        padding: 0 var(--spacing-3xl);
    }
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.brand-logo {
    height: 32px;
}

.mobile-nav-toggle {
    display: none;
    background: transparent;
    border: none;
    color: inherit;
    cursor: pointer;
    min-width: var(--touch-target-min);
    min-height: var(--touch-target-min);
    width: var(--touch-target-min);
    height: var(--touch-target-min);
    border-radius: 12px;
    position: relative;
    transition: background var(--transition-base);
    z-index: 1001;
}

.mobile-nav-toggle:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 4px;
}

.mobile-nav-toggle:hover {
    background: rgba(0, 0, 0, 0.05);
}

.mobile-nav-toggle:active {
    background: rgba(0, 0, 0, 0.1);
}

.hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 20px;
    height: 16px;
    position: relative;
}

.hamburger-line {
    width: 20px;
    height: 2px;
    background: currentColor;
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
    transform-origin: center;
}

.hamburger-line:nth-child(1) {
    margin-bottom: 5px;
}

.hamburger-line:nth-child(2) {
    margin-bottom: 5px;
}

/* Hamburger animation when menu is open */
body.nav-open .hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

body.nav-open .hamburger-line:nth-child(2) {
    opacity: 0;
}

body.nav-open .hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    list-style: none;
    margin: 0;
    padding: 0;
}

/* Desktop navigation - always visible */
@media (min-width: 768px) {
    .nav-list {
        display: flex !important;
        position: static;
        background: transparent;
        backdrop-filter: none;
        flex-direction: row;
        justify-content: flex-end;
        align-items: center;
        padding: 0;
        gap: var(--spacing-lg);
        transform: none;
        opacity: 1;
        pointer-events: auto;
        transition: none;
        z-index: auto;
    }

    .nav-item {
        transform: none;
        opacity: 1;
        transition: none;
    }

    .nav-close-item {
        display: none !important;
    }

    /* Desktop navigation link styles */
    .nav-link {
        width: auto;
        max-width: none;
        min-height: auto;
        padding: var(--spacing-sm) var(--spacing-md);
        justify-content: flex-start;
        text-align: left;
        font-size: var(--font-size-sm);
        font-weight: 500;
        border-radius: 8px;
        background: transparent;
        border: none;
        transition: color var(--transition-base), background var(--transition-base);
        margin-bottom: 0;
    }

    .nav-link:hover,
    .nav-link:focus-visible {
        background: rgba(255, 255, 255, 0.05);
        border-color: transparent;
        transform: none;
        box-shadow: none;
    }

    .nav-link:active {
        transform: none;
        background: rgba(255, 255, 255, 0.1);
    }

    .nav-link::after {
        display: block;
    }
}

/* Hide navigation on mobile by default */
@media (max-width: 767px) {
    .nav-list:not(.open) {
        display: none !important;
        position: absolute;
        top: -9999px;
        left: -9999px;
        opacity: 0;
        pointer-events: none;
    }
}

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

.nav-link {
    font-weight: 500;
    font-size: var(--font-size-sm);
    letter-spacing: 0.01em;
    position: relative;
    padding-bottom: var(--spacing-xs);
    color: #333;
    min-height: var(--touch-target-min);
    display: flex;
    align-items: center;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.nav-link:hover::after,
.nav-link:focus-visible::after {
    transform: scaleX(1);
}

.nav-link.btn:hover::after,
.nav-link.btn:focus-visible::after {
    transform: scale(0);
}

.nav-link:hover,
.nav-link:focus-visible {
    color: var(--color-accent);
}

main {
    padding-top: 2rem;
}

.hero {
    position: relative;
    overflow: hidden;
    padding: var(--spacing-4xl) 0;
    text-align: center;
}

@media (min-width: 768px) {
    .hero {
        padding: var(--spacing-4xl) 0 calc(var(--spacing-4xl) + var(--spacing-md));
    }
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(160deg, rgba(124, 58, 237, 0.28) 0%, rgba(30, 64, 175, 0.2) 60%, transparent 100%);
    z-index: 0;
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 640px;
    margin: 0 auto;
}

.hero-title {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
    line-height: var(--line-height-tight);
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-muted);
    margin-bottom: var(--spacing-xl);
    line-height: var(--line-height-relaxed);
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(0px);
    opacity: 0.7;
    z-index: 1;
}

.orb-a {
    width: 420px;
    height: 420px;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.6), transparent 70%);
    top: -180px;
    left: -120px;
}

.orb-b {
    width: 360px;
    height: 360px;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.45), transparent 70%);
    bottom: -140px;
    right: -100px;
}

.section {
    padding: var(--spacing-3xl) 0;
}

@media (min-width: 768px) {
    .section {
        padding: var(--spacing-4xl) 0;
    }
}

.section-alt {
    background: rgba(8, 10, 25, 0.65);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

@media (min-width: 768px) {
    .section-header {
        margin-bottom: var(--spacing-3xl);
    }
}

.section-title {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-sm);
    line-height: var(--line-height-tight);
}

.section-subtitle {
    color: var(--color-muted);
    margin: 0 auto;
    max-width: 600px;
}

/* Mobile-First Grid System */
.grid {
    display: grid;
    gap: var(--spacing-lg);
}

@media (min-width: 768px) {
    .grid {
        gap: var(--spacing-xl);
    }
}

.grid-3 {
    grid-template-columns: 1fr;
}

@media (min-width: 480px) {
    .grid-3 {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (min-width: 768px) {
    .grid-3 {
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    }
}

.card {
    padding: var(--spacing-lg);
    border-radius: 24px;
    background: var(--surface-glass);
    border: 1px solid var(--border-glass);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

@media (min-width: 768px) {
    .card {
        padding: var(--spacing-xl);
    }
}

.card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-accent-strong), transparent 65%);
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
}

.card:hover::before,
.card:focus-within::before {
    opacity: 1;
}

.card:hover,
.card:focus-within {
    border-color: rgba(124, 58, 237, 0.65);
    box-shadow: var(--shadow-lg);
}

.card-title {
    margin-top: 0;
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-xl);
    line-height: var(--line-height-tight);
}

.card-desc {
    margin: 0 0 1.25rem;
    color: var(--color-muted);
}

.card-list {
    padding-left: 1.1rem;
    margin: 0;
    display: grid;
    gap: 0.5rem;
    list-style: disc;
    color: var(--color-muted);
}

.card-list li strong {
    color: #fff;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.75rem;
    color: var(--color-muted);
}

.feature-list li {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px;
    padding: 1rem 1.25rem;
}

.feature-list li strong {
    color: #fff;
}

.lead {
    max-width: 760px;
    margin: 0 auto 2.5rem;
    text-align: center;
    color: var(--color-muted);
    font-size: 1.1rem;
}

.content-grid {
    display: grid;
    gap: var(--spacing-lg);
    grid-template-columns: 1fr;
}

@media (min-width: 480px) {
    .content-grid {
        gap: var(--spacing-xl);
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

.content-card {
    background: var(--surface-glass);
    border: 1px solid var(--border-glass);
    border-radius: 24px;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

@media (min-width: 768px) {
    .content-card {
        padding: var(--spacing-xl);
    }
}

.content-card h3 {
    margin-top: 0;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    min-height: var(--touch-target-min);
    border-radius: 999px;
    font-weight: 600;
    font-size: var(--font-size-base);
    letter-spacing: 0.01em;
    cursor: pointer;
    border: 1px solid transparent;
    transition: transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
    text-decoration: none;
}

.btn:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 4px;
}

.btn-primary {
    background: linear-gradient(135deg, #7c3aed, #4c1d95);
    color: #fff;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover,
.btn-primary:focus-visible {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn:disabled,
.btn[disabled] {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.form {
    display: grid;
    gap: var(--spacing-lg);
    background: var(--surface-glass-strong);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.form-field {
    display: grid;
    gap: var(--spacing-sm);
}

.form-field label {
    font-weight: 600;
}

.input,
.form select,
.form textarea {
    background: rgba(4, 7, 18, 0.55);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: var(--spacing-md);
    min-height: var(--touch-target-min);
    color: inherit;
    font-size: var(--font-size-base);
    font-family: inherit;
    line-height: var(--line-height-normal);
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.input:focus-visible {
    outline: none;
    border-color: rgba(124, 58, 237, 0.8);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.25);
}

.input-error {
    border-color: rgba(248, 113, 113, 0.9) !important;
    box-shadow: 0 0 0 3px rgba(248, 113, 113, 0.25);
}

.validation-summary {
    background: rgba(248, 113, 113, 0.15);
    border: 1px solid rgba(248, 113, 113, 0.35);
    color: #fecaca;
    border-radius: 16px;
    padding: 1rem 1.25rem;
}

.validation-error {
    color: #fca5a5;
    font-size: 0.85rem;
}

.captcha-placeholder {
    border-radius: 16px;
    border: 1px dashed rgba(255, 255, 255, 0.2);
    padding: 1.5rem;
    text-align: center;
    color: var(--color-muted);
    background: rgba(255, 255, 255, 0.03);
}

.cta-banner {
    text-align: center;
    background: linear-gradient(120deg, rgba(124, 58, 237, 0.2), rgba(59, 130, 246, 0.25));
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.cta-content {
    display: grid;
    gap: 1.25rem;
    justify-items: center;
}

.muted-note {
    margin-top: 2rem;
    text-align: center;
    color: var(--color-muted);
}

.portal-card {
    text-align: center;
}

.portal-card .btn {
    width: 100%;
}

.portal-placeholder {
    text-align: left;
    margin-top: 1.5rem;
    padding: 1.5rem;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--color-muted);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
}

.portal-placeholder h3 {
    margin-bottom: 0.75rem;
    color: #fff;
}

.portal-placeholder ul {
    margin: 1rem 0 0;
    padding-left: 1.25rem;
}

.portal-placeholder li {
    margin-bottom: 0.5rem;
}

.portal-return {
    margin-top: 1.5rem;
}

.portal-return-link {
    color: var(--color-muted);
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    padding-bottom: 0.1rem;
}

.portal-return-link:hover,
.portal-return-link:focus-visible {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.35);
}

.site-footer {
    background: rgba(5, 6, 15, 0.85);
    border-top: 1px solid var(--border-glass);
    padding: var(--spacing-2xl) 0 var(--spacing-xl);
}

@media (min-width: 768px) {
    .site-footer {
        padding: var(--spacing-3xl) 0 var(--spacing-xl);
    }
}

.footer-inner {
    display: grid;
    gap: var(--spacing-xl);
    grid-template-columns: 1fr;
}

@media (min-width: 480px) {
    .footer-inner {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    }
}

.footer-brand p {
    color: var(--color-muted);
    max-width: 320px;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.5rem;
    align-items: flex-start;
}

.footer-link {
    color: var(--color-muted);
    font-size: 0.95rem;
}

.footer-link:hover,
.footer-link:focus-visible {
    color: #fff;
}

.footer-meta {
    color: rgba(232, 233, 244, 0.55);
    font-size: 0.85rem;
}

body.nav-open {
    overflow: hidden;
}

.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 400ms ease, transform 400ms ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Mobile Navigation - Show below tablet breakpoint */
@media (max-width: 767px) {
    /* Mobile overlay menu - shown as full-screen overlay when opened */
    .nav-list.open {
        display: flex !important;
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        width: 100vw !important;
        height: 100vh !important;
        min-height: 100vh !important;
        background: rgba(255, 255, 255, 0.95) !important;
        backdrop-filter: blur(20px);
        flex-direction: column !important;
        justify-content: center !important;
        align-items: center !important;
        padding: var(--spacing-2xl) !important;
        gap: var(--spacing-lg) !important;
        transform: translateY(0) !important;
        opacity: 1 !important;
        pointer-events: auto !important;
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
        z-index: 99999 !important;
        margin: 0 !important;
        box-sizing: border-box !important;
        /* padding-top: 0px !important; */
    }

    .nav-list .nav-item {
        transform: translateY(20px);
        opacity: 0;
        transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s ease;
    }

    .nav-list.open .nav-item {
        transform: translateY(0);
        opacity: 1;
        width: 100%;
    }

    .nav-list.open .nav-item:nth-child(1) {
        transition-delay: 0.05s;
        width: auto;
    }

    .nav-list.open .nav-item:nth-child(2) {
        transition-delay: 0.1s;
    }

    .nav-list.open .nav-item:nth-child(3) {
        transition-delay: 0.15s;
    }

    .nav-list.open .nav-item:nth-child(4) {
        transition-delay: 0.2s;
    }

    .nav-list.open .nav-item:nth-child(5) {
        transition-delay: 0.25s;
    }

    .nav-list.open .nav-item:nth-child(6) {
        transition-delay: 0.3s;
    }

    .nav-list.open .nav-item:nth-child(7) {
        transition-delay: 0.35s;
    }

    /* Close button styles - only show when menu is open */
    .nav-list.open .nav-close-item {
        position: absolute !important;
        top: var(--spacing-xl) !important;
        right: var(--spacing-xl) !important;
        z-index: 100000 !important;
    }

    .nav-list.open .nav-close-btn {
        background: rgba(0, 0, 0, 0.05);
        border: 2px solid rgba(0, 0, 0, 0.1);
        color: var(--color-text) !important;
        cursor: pointer;
        min-width: var(--touch-target-min);
        min-height: var(--touch-target-min);
        width: var(--touch-target-min);
        height: var(--touch-target-min);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: background var(--transition-base);
        font-size: 28px;
        font-weight: 400;
    }

    .nav-list.open .nav-close-btn:hover,
    .nav-list.open .nav-close-btn:focus-visible {
        background: rgba(0, 0, 0, 0.1);
    }

    .nav-list.open .nav-close-btn:focus-visible {
        outline: 2px solid var(--color-accent);
        outline-offset: 4px;
    }

    .nav-list.open .close-icon {
        line-height: 1;
        transform: rotate(0deg);
        transition: transform var(--transition-base);
    }

    .nav-list.open .nav-close-btn:hover .close-icon {
        transform: rotate(90deg);
    }

    .nav-inner {
        position: relative;
    }

    .mobile-nav-toggle {
        display: inline-flex !important;
        align-items: center;
        justify-content: center;
        position: relative;
        z-index: 1001;
    }

    /* Mobile navigation link styles - only apply when menu is open */
    .nav-list.open .nav-link {
        width: 100%;
        /* max-width: 280px; */
        min-height: var(--touch-target-min);
        padding: var(--spacing-lg);
        justify-content: center;
        text-align: center;
        font-size: var(--font-size-lg);
        font-weight: 600;
        border-radius: 16px;
        background: rgba(0, 0, 0, 0.05);
        border: 2px solid rgba(0, 0, 0, 0.1);
        transition: all 0.3s ease;
        margin-bottom: var(--touch-spacing-min);
        color: var(--color-text) !important;
        text-decoration: none;
        display: flex;
        align-items: center;
    }

    .nav-list.open .nav-link:last-child {
        margin-bottom: 0;
    }

    .nav-list.open .nav-link:hover,
    .nav-list.open .nav-link:focus-visible {
        background: var(--color-accent-soft);
        border-color: var(--color-accent);
        transform: translateY(-2px);
        box-shadow: 0 8px 25px rgba(59, 130, 246, 0.2);
    }

    .nav-list.open .nav-link:active {
        transform: translateY(0);
        background: var(--color-accent-strong);
    }

    .nav-list.open .nav-link::after {
        display: none;
    }

    .hero {
        padding: var(--spacing-3xl) 0 var(--spacing-4xl);
    }
}

/* Show mobile toggle on mobile devices */
@media (max-width: 767px) {
    .mobile-nav-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
}

@media (min-width: 768px) {
    .mobile-nav-toggle {
        display: none;
    }
}

@media (max-width: 767px) {
    .footer-links {
        grid-auto-flow: row;
    }
}

/* Responsive Utility Classes */
.mobile-only {
    display: block;
}

.tablet-up {
    display: none;
}

@media (min-width: 768px) {
    .mobile-only {
        display: none;
    }

    .tablet-up {
        display: block;
    }
}

.desktop-only {
    display: none;
}

@media (min-width: 1024px) {
    .desktop-only {
        display: block;
    }
}

/* Text Alignment Utilities */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

@media (max-width: 767px) {
    .text-center-mobile {
        text-align: center;
    }
}

/* Spacing Utilities */
.mt-0 {
    margin-top: 0;
}

.mt-sm {
    margin-top: var(--spacing-sm);
}

.mt-md {
    margin-top: var(--spacing-md);
}

.mt-lg {
    margin-top: var(--spacing-lg);
}

.mt-xl {
    margin-top: var(--spacing-xl);
}

.mb-0 {
    margin-bottom: 0;
}

.mb-sm {
    margin-bottom: var(--spacing-sm);
}

.mb-md {
    margin-bottom: var(--spacing-md);
}

.mb-lg {
    margin-bottom: var(--spacing-lg);
}

.mb-xl {
    margin-bottom: var(--spacing-xl);
}

/* Accessibility and Motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .reveal {
        opacity: 1 !important;
        transform: none !important;
    }
}