:root {
    --bg-color: #050505;
    --text-color: #f0f0f0;
    --accent-color: #C66900;
    /* Espresso Roast */
    --accent-glow: #e6b980;
    /* Crema */
    --secondary-bg: #111111;
    --card-bg: rgba(255, 255, 255, 0.03);

    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
}

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

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

/* Typography */
h1,
h2,
h3 {
    font-family: var(--font-heading);
    font-weight: 700;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 2rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    /* Gradient Fade: Dark at top, transparent at bottom */
    background: linear-gradient(to bottom, rgba(5, 5, 5, 1) 0%, rgba(5, 5, 5, 0.8) 40%, rgba(5, 5, 5, 0) 100%);
    backdrop-filter: none;
    /* Remove blur to avoid sharp edges */
    -webkit-backdrop-filter: none;
    border-bottom: none;
    /* Remove border */
    padding-bottom: 3rem;
    /* Extend padding for smoother fade */
}



.logo-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.brand-logo {
    width: 32px;
    height: 32px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: 2px;
    font-family: var(--font-body);
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.8;
}

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

.cta-btn {
    border: 1px solid var(--text-color);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
}

.cta-btn:hover {
    background: var(--text-color);
    color: var(--bg-color);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    text-align: center;
    overflow: hidden;
}

.hero-content {
    z-index: 10;
    position: relative;
}

.hero-title {
    font-size: 5rem;
    line-height: 1.1;
    margin-bottom: 2rem;
    display: flex;
    flex-direction: column;
}

.hero-title em.accent {
    font-style: italic;
    color: var(--accent-color);
    background: linear-gradient(45deg, var(--accent-color), var(--accent-glow));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.hero-logo-symbol {
    margin-bottom: 2rem;
    display: inline-block;
    filter: drop-shadow(0 0 30px rgba(253, 184, 19, 0.4));
    /* Enhanced Gold glow */
}

.hero-logo-symbol svg {
    overflow: visible;
}


.hero-logo-symbol .sound-bar {
    animation: sound-eq 1.5s infinite ease-in-out;
    transform-origin: bottom;
    fill: #1A1110;
    /* Dark Espresso */
}

.hero-logo-symbol .sound-bar:nth-child(2) {
    animation-delay: 0.2s;
}

.hero-logo-symbol .sound-bar:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes sound-eq {

    0%,
    100% {
        transform: scaleY(0.6);
    }

    50% {
        transform: scaleY(1);
    }
}


.hero-subtitle {
    font-size: 1.2rem;
    opacity: 0.7;
    max-width: 600px;
    margin: 0 auto;
    font-weight: 300;
}

.scrolldown {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    opacity: 0.5;
    font-size: 0.8rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.scrolldown .line {
    width: 1px;
    height: 60px;
    background: var(--text-color);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    background: radial-gradient(circle at center, rgba(198, 105, 0, 0.1) 0%, transparent 60%);
}

/* Philosophy Section */
section {
    padding: 8rem 10%;
    min-height: 80vh;
}

.section-header {
    margin-bottom: 5rem;
    text-align: center;
}

.section-header h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--accent-glow);
    font-family: var(--font-heading);
    font-style: italic;
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
}

.philosophy-item {
    text-align: center;
    padding: 1rem;
    /* No borders or background */
}

.philo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    margin-bottom: 2rem;
    color: var(--accent-color);
    transition: transform 0.4s ease;
}

.philosophy-item:hover .philo-icon {
    transform: translateY(-5px);
    color: var(--accent-glow);
    filter: drop-shadow(0 0 10px rgba(198, 105, 0, 0.4));
}

.philosophy-item h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-family: var(--font-heading);
    letter-spacing: 1px;
}

.philosophy-item p {
    font-size: 1rem;
    opacity: 0.7;
    line-height: 1.7;
    max-width: 300px;
    margin: 0 auto;
}

/* Menu Section Removed */

/* Footer */
.footer {
    padding: 8rem 5%;
    text-align: center;
    background: var(--bg-color);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.footer-content p {
    margin-bottom: 3rem;
    opacity: 0.6;
}

.waitlist-form {
    display: flex;
    justify-content: center;
    gap: 1rem;
    max-width: 500px;
    margin: 0 auto 1rem auto;
}

.waitlist-form input {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 1rem 1.5rem;
    color: #fff;
    width: 100%;
    border-radius: 4px;
    font-family: var(--font-body);
}

.waitlist-form button {
    background: var(--accent-color);
    border: none;
    padding: 1rem 2rem;
    color: #000;
    font-weight: 800;
    border-radius: 4px;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: transform 0.2s ease;
}

.waitlist-form button:hover {
    transform: scale(1.05);
    background: var(--accent-glow);
}

.footer-links {
    font-size: 0.8rem;
    opacity: 0.3;
}

/* Animations */
.reveal,
.reveal-delay,
.fade-in,
.fade-in-up {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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


/* Technology Section */
.tech-section {
    background: var(--secondary-bg);
    position: relative;
    overflow: hidden;
}

/* Subtle tech grid background */
.tech-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.5;
    z-index: 0;
}

/* Core Intelligence Section (Restored Grid Layout) */
.tech-section {
    background: var(--secondary-bg);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .tech-grid {
        grid-template-columns: 1fr;
    }
}

.tech-item {
    padding: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: background 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.tech-item:hover {
    background: rgba(255, 255, 255, 0.02);
}

.tech-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    width: 100%;
}

.tech-number {
    font-family: var(--font-heading);
    color: var(--accent-color);
    font-style: italic;
    font-size: 1.5rem;
    opacity: 0.8;
}

.tech-item h3 {
    font-size: 1.8rem;
    font-family: var(--font-heading);
    font-weight: 400;
}

.tech-icon-box {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-color);
    opacity: 0.8;
}

.tech-svg {
    width: 24px;
    height: 24px;
    stroke: currentColor;
}

.tech-subtitle {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--accent-glow);
    margin-bottom: 1rem;
    font-weight: 600;
}

.tech-item p:last-child {
    font-size: 1rem;
    opacity: 0.7;
    line-height: 1.7;
}

/* Highlight style for the last item (Lucid Note) */
.tech-item.highlight {
    border: 1px solid var(--accent-color);
    border-radius: 8px;
    background: rgba(198, 105, 0, 0.05);
    border-bottom: 1px solid var(--accent-color);
    /* Override default border-bottom */
}

/* Waitlist Form Message */
.form-message {
    text-align: center;
    max-width: 500px;
    margin: 0 auto 3rem auto;
    font-size: 0.9rem;
    min-height: 1.2rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* Tablet and below */
@media (max-width: 1024px) {
    section {
        padding: 6rem 5%;
    }

    .section-header h2 {
        font-size: 2.5rem;
    }

    .hero-title {
        font-size: 4rem;
    }

    .philosophy-grid {
        gap: 3rem;
    }

    .tech-grid {
        gap: 2rem;
    }
}

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

    /* Navigation */
    .navbar {
        padding: 1rem 5%;
    }

    .nav-links {
        display: none;
        /* Hide nav links on mobile - could add hamburger later */
    }

    .logo-text {
        font-size: 1.2rem;
    }

    /* Hero Section */
    .hero {
        padding: 0 5%;
    }

    .hero-title {
        font-size: 2.5rem;
        margin-bottom: 1.5rem;
    }

    .hero-logo-symbol svg {
        width: 80px;
        height: 80px;
    }

    .hero-subtitle {
        font-size: 1rem;
        padding: 0 1rem;
    }

    .scrolldown {
        display: none;
        /* Hide on mobile */
    }

    /* Sections */
    section {
        padding: 4rem 5%;
        min-height: auto;
    }

    .section-header {
        margin-bottom: 3rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .section-header p {
        font-size: 1rem;
    }

    /* Philosophy Grid */
    .philosophy-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .philo-icon {
        width: 60px;
        height: 60px;
        margin-bottom: 1.5rem;
    }

    .philosophy-item h3 {
        font-size: 1.3rem;
    }

    .philosophy-item p {
        font-size: 0.95rem;
    }

    /* Technology Grid */
    .tech-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .tech-item {
        padding: 1.5rem;
    }

    .tech-header {
        gap: 1rem;
        margin-bottom: 1rem;
    }

    .tech-item h3 {
        font-size: 1.4rem;
    }

    .tech-number {
        font-size: 1.2rem;
    }

    .tech-subtitle {
        font-size: 0.75rem;
    }

    .tech-item p:last-child {
        font-size: 0.9rem;
    }

    /* Footer */
    .footer {
        padding: 4rem 5%;
    }

    .footer-content h2 {
        font-size: 1.8rem;
    }

    .footer-content p {
        font-size: 0.95rem;
        margin-bottom: 2rem;
    }

    /* Waitlist Form - Stack vertically on mobile */
    .waitlist-form {
        flex-direction: column;
        max-width: 85%;
        margin-left: auto;
        margin-right: auto;
        gap: 0.75rem;
    }

    .waitlist-form input {
        padding: 0.9rem 1rem;
        font-size: 1rem;
    }

    .waitlist-form button {
        padding: 0.9rem 1.5rem;
        width: 100%;
    }

    .form-message {
        max-width: 85%;
        font-size: 0.85rem;
        margin-bottom: 2rem;
    }
}

/* Small mobile devices */
@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-logo-symbol svg {
        width: 60px;
        height: 60px;
    }

    .hero-subtitle {
        font-size: 0.9rem;
    }

    .section-header h2 {
        font-size: 1.7rem;
    }

    .philosophy-item h3 {
        font-size: 1.2rem;
    }

    .tech-item h3 {
        font-size: 1.2rem;
    }

    .footer-content h2 {
        font-size: 1.5rem;
    }
}