:root {
    --color-primary: #E65100;
    --color-black: #1a1a1a;
    --color-white: #ffffff;
    --color-glass: rgba(255, 255, 255, 0.7);
    --font-main: 'Outfit', sans-serif;
    --max-width: 1100px;
    --transition: cubic-bezier(0.4, 0, 0.2, 1) 0.3s;
    --color-highlight: #FFF3E0;
}

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

body {
    font-family: var(--font-main);
    background: linear-gradient(135deg, #fefefe 0%, #f5f5f5 100%);
    color: var(--color-black);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Background Grid (Blueprint Tiered Pattern - Lines Only) */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Layer 1: Major Grid (100px) | Layer 2: Minor Grid (20px) */
    background-image:
        linear-gradient(rgba(0, 0, 0, 0.06) 1.5px, transparent 1.5px),
        linear-gradient(90deg, rgba(0, 0, 0, 0.06) 1.5px, transparent 1.5px),
        linear-gradient(rgba(0, 0, 0, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 0, 0, 0.03) 1px, transparent 1px);
    background-size: 100px 100px, 100px 100px, 20px 20px, 20px 20px;
    z-index: -2;
}

.metro-lines {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

.floating-circles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

.circle {
    position: absolute;
    border-radius: 50%;
    opacity: 0.15;
}

.c1 {
    width: 500px;
    height: 500px;
    background: var(--color-primary);
    top: -200px;
    right: -100px;
    filter: blur(120px);
}

.c2 {
    width: 400px;
    height: 400px;
    background: #FAC08F;
    bottom: -100px;
    left: -100px;
    filter: blur(100px);
}

.c3 {
    width: 200px;
    height: 200px;
    background: var(--color-primary);
    top: 40%;
    left: 10%;
    filter: blur(50px);
    animation: float 10s infinite alternate;
}

@keyframes float {
    from {
        transform: translate(0, 0);
    }

    to {
        transform: translate(20px, 40px);
    }
}

#content-wrapper {
    position: relative;
    padding: 60px 20px;
    z-index: 10;
}

/* Nav */
nav {
    padding: 30px 0;
    position: relative;
    z-index: 100;
}

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

.nav-logo {
    height: 120px;
    width: auto;
    object-fit: contain;
    border-radius: 20px;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.1));
}

.main-branding {
    margin-top: -20px;
    /* Adjust for large size */
}

.nav-links {
    display: flex;
    gap: 40px;
}

.nav-links a {
    text-decoration: none;
    color: var(--color-black);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: var(--transition);
}

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

/* Visible Utilities */
.mobile-only {
    display: none !important;
}

.desktop-only {
    display: block !important;
}

@media (max-width: 768px) {
    .desktop-only {
        display: none !important;
    }

    .mobile-only {
        display: block !important;
    }
}

/* Content Container Overrides */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding-left: 40px;
    padding-right: 40px;
}

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

.bg-white {
    background: var(--color-white) !important;
}

/* Hero */
.hero {
    padding: 100px 0;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

/* Patent Banner */
.patent-banner {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(230, 81, 0, 0.1);
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 25px;
}

.hero-title {
    font-size: 4.5rem;
    line-height: 1.05;
    margin-bottom: 30px;
    background: linear-gradient(135deg, var(--color-black) 20%, var(--color-primary) 80%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
}

.hero-subtitle {
    font-size: 1.4rem;
    line-height: 1.6;
    color: #444;
    margin: 0 auto 40px auto;
    max-width: 700px;
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 20px 30px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

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

.connectivity-tags {
    display: flex;
    gap: 15px;
    margin-bottom: 40px;
    justify-content: center;
}

.connectivity-tags .tag {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-white) !important;
    background: var(--color-primary);
    padding: 8px 16px;
    border-radius: 4px;
}

.btn {
    padding: 18px 36px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.9rem;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: 0 10px 20px rgba(230, 81, 0, 0.2);
}

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

.btn-outline:hover {
    background: rgba(0, 0, 0, 0.05);
    transform: translateY(-4px);
}

/* Features */
section {
    padding: 50px 0;
}

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

.badge {
    display: inline-block;
    padding: 6px 16px;
    background: var(--color-black);
    color: var(--color-white) !important;
    background-clip: padding-box !important;
    -webkit-background-clip: padding-box !important;
    -webkit-text-fill-color: initial !important;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: 20px;
}

.badge-white {
    background: var(--color-white) !important;
    color: var(--color-black) !important;
}

.section-header h3 {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    color: inherit;
}

/* Section Spacing Consistency */
section {
    padding: 50px 0;
}

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

/* Problem/Solution Grid */
.problem-solution-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.solution-card.highlighted {
    border: 2px solid var(--color-primary);
    background: var(--color-highlight);
}

.badge.highlight {
    background: var(--color-primary);
}

.video-container {
    margin-bottom: 0;
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    max-width: 100%;
    border-radius: 20px;
}

/* Waitlist Form */
.waitlist-card {
    max-width: 700px;
    margin: 0 auto;
}

.waitlist-form {
    display: flex;
    gap: 15px;
    margin: 30px 0;
}

.waitlist-input {
    flex: 1;
    padding: 18px 25px;
    border-radius: 50px;
    border: 2px solid rgba(0, 0, 0, 0.1);
    background: rgba(255, 255, 255, 0.5);
    font-family: inherit;
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
}

.waitlist-input:focus {
    border-color: var(--color-primary);
    background: var(--color-white);
}

.waitlist-footer {
    font-size: 0.9rem;
    color: #888;
}

/* Investor Card & Form */
.investor-card {
    max-width: 800px;
    margin: 0 auto;
}

.dark-mode {
    background: var(--color-black) !important;
    color: var(--color-white) !important;
    border: none !important;
}

.investor-card.dark-mode .badge.highlight,
.waitlist-card.dark-mode .badge.highlight {
    background: var(--color-primary);
    color: var(--color-white) !important;
}

.dark-mode h3 {
    color: var(--color-white) !important;
}

.dark-mode .btn-primary {
    background: var(--color-white);
    color: var(--color-black);
    border-color: var(--color-white);
}

.dark-mode .btn-primary:hover {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.waitlist-form,
.investor-form {
    display: flex;
    gap: 15px;
    margin: 30px auto;
}

.investor-form {
    flex-direction: column;
    max-width: 500px;
}

.waitlist-input,
.investing-input,
.investing-textarea {
    padding: 18px 25px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    font-family: inherit;
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
}

.dark-mode .waitlist-input {
    background: rgba(255, 255, 255, 0.05);
}

.waitlist-input:focus,
.investing-input:focus,
.investing-textarea:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--color-primary);
}

.investing-textarea {
    min-height: 120px;
    resize: vertical;
}

.investing-input:focus,
.investing-textarea:focus {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-primary);
}

.contact-direct {
    font-size: 0.9rem;
    color: #888;
}

.contact-direct a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
}

@media (max-width: 768px) {
    .waitlist-form {
        flex-direction: column;
    }
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Mobile Only Utilities Left for Mobile View */

/* Responsive Scaling */
@media (max-width: 768px) {
    body::before {
        background-size: 50px 50px, 50px 50px, 10px 10px, 10px 10px;
        /* Scaled grid for mobile */
    }

    #content-wrapper {
        padding: 40px 15px;
    }

    .hero-title {
        font-size: 3.2rem;
        letter-spacing: -0.05em;
        line-height: 1.15;
        /* Loosened line-height */
        margin-bottom: 25px;
    }

    .patent-banner {
        font-size: 0.7rem;
        padding: 6px 15px;
    }

    .hero-subtitle {
        font-size: 1.15rem;
        line-height: 1.6;
        /* Loosened line-height */
        margin-bottom: 35px;
    }

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

    .btn {
        width: 100%;
        text-align: center;
        padding: 20px;
    }

    .section-header h3 {
        font-size: 2.4rem;
        line-height: 1.1;
    }

    .problem-solution-grid {
        grid-template-columns: 1fr;
    }
}

header {
    text-align: center;
}

.logo {
    width: 80px;
    height: auto;
    object-fit: contain;
    border-radius: 20px;
    margin-bottom: 20px;
    filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.1));
}

header h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 10px;
    letter-spacing: -0.04em;
    background: linear-gradient(90deg, var(--color-black), var(--color-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.last-updated {
    font-size: 0.9rem;
    color: #888;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.glass-card {
    background: var(--color-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 30px;
    padding: 50px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
}

.glass-card h2 {
    font-size: 1.5rem;
    margin-top: 35px;
    margin-bottom: 15px;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.glass-card h2:first-child {
    margin-top: 0;
}

.glass-card p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #444;
    margin-bottom: 20px;
}

.glass-card ul {
    list-style: none;
    margin-bottom: 25px;
}

.glass-card li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 12px;
    font-size: 1.05rem;
    color: #555;
    line-height: 1.5;
}

.glass-card li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 12px;
    height: 2px;
    background: var(--color-primary);
}

footer {
    padding: 100px 0 20px 0;
    text-align: center;
}

footer p {
    color: #999;
    font-size: 0.85rem;
}

/* Verification Cleanup */

/* Responsive */
@media (max-width: 768px) {
    header h1 {
        font-size: 2.5rem;
    }

    .glass-card {
        padding: 30px;
        border-radius: 20px;
    }
}