:root {
    /* Logo colors - vibrant blue from the icon */
    --primary-blue: #1E90FF;
    --primary-blue-dark: #0066CC;
    --primary-blue-darker: #004C99;
    --accent-blue: #4DA6FF;
    --accent-light: #66B3FF;

    /* Neutrals */
    --black: #0A0A0A;
    --dark-gray: #1a1a1a;
    --medium-gray: #2a2a2a;
    --light-gray: #666666;
    --white: #ffffff;
    --off-white: #f5f5f5;

    /* Gradients */
    --gradient-blue: linear-gradient(135deg, #1E90FF 0%, #0066CC 100%);
    --gradient-dark: linear-gradient(180deg, #0A0A0A 0%, #1a1a1a 100%);
}

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

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--black);
    color: var(--white);
    line-height: 1.6;
}

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

.container-nav {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

/* Navigation */
.navbar {
    background-color: var(--dark-gray);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 2px solid var(--primary-blue);
}

.navbar .container-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 60px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    transition: opacity 0.3s;
}

.logo:hover {
    opacity: 0.8;
}

.logo-placeholder {
    width: 48px;
    height: 48px;
    background: var(--gradient-blue);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    color: var(--white);
    box-shadow: 0 4px 12px rgba(30, 144, 255, 0.3);
}

.logo-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--white);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 20px;
    align-items: center;
}

.nav-links a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    display: inline-flex;
    align-items: center;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
    font-size: 16px;
}

.btn-primary {
    background: var(--gradient-blue);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(30, 144, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(30, 144, 255, 0.4);
}

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

.btn-secondary:hover {
    background-color: var(--primary-blue);
    border-color: var(--primary-blue);
    transform: translateY(-2px);
}

.btn-large {
    padding: 16px 48px;
    font-size: 18px;
}

/* Hero Section */
.hero {
    position: relative;
    padding: 140px 0 100px 0;
    text-align: center;
    background: var(--gradient-dark);
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

/* Video Background */
.hero-video-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
    /* Animated gradient placeholder (remove when video is added) */
    background: linear-gradient(
        -45deg,
        #0A0A0A 0%,
        #1a1a1a 25%,
        #0066CC 50%,
        #1E90FF 75%,
        #0A0A0A 100%
    );
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
    opacity: 0.5;
}

.hero-video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        180deg,
        rgba(10, 10, 10, 0.7) 0%,
        rgba(10, 10, 10, 0.85) 50%,
        rgba(10, 10, 10, 0.95) 100%
    );
    z-index: 1;
}

/* Hero Content - Above video */
.hero .container {
    position: relative;
    z-index: 2;
}

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

.hero-logo {
    margin-bottom: 40px;
    animation: fadeInDown 1s ease-out;
}

.hero-logo-image {
    width: 200px;
    height: 200px;
    filter: drop-shadow(0 8px 24px rgba(30, 144, 255, 0.4));
    animation: float 6s ease-in-out infinite;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 700;
    margin-bottom: 24px;
    line-height: 1.2;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

.highlight {
    background: var(--gradient-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 2px 8px rgba(30, 144, 255, 0.5));
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--off-white);
    margin-bottom: 48px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

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

/* About Section */
.about {
    padding: 100px 0;
    background-color: var(--dark-gray);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.about-text {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--off-white);
    margin-bottom: 24px;
}

.about-text strong {
    color: var(--primary-blue);
    font-weight: 600;
}

/* Section Titles */
.section-title {
    font-size: 3rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 80px;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--light-gray);
    text-align: center;
    margin-bottom: 60px;
}

/* Screenshots & Features Section */
.screenshots-features {
    padding: 100px 0;
    background-color: var(--black);
}

.feature-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 120px;
}

.feature-showcase:last-child {
    margin-bottom: 0;
}

.feature-showcase.reverse {
    direction: rtl;
}

.feature-showcase.reverse > * {
    direction: ltr;
}

.feature-screenshot {
    position: relative;
}

.screenshot-placeholder {
    background: linear-gradient(135deg, var(--medium-gray) 0%, var(--dark-gray) 100%);
    border: 2px dashed var(--primary-blue);
    border-radius: 12px;
    padding: 80px 40px;
    text-align: center;
    min-height: 400px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.placeholder-text {
    color: var(--white);
    font-family: 'Roboto Mono', monospace;
    font-size: 16px;
    font-weight: 500;
}

.placeholder-hint {
    color: var(--light-gray);
    font-family: 'Roboto Mono', monospace;
    font-size: 12px;
}

.feature-screenshot img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.feature-description h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--white);
}

.feature-description p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--off-white);
    margin-bottom: 24px;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-list li {
    font-size: 1rem;
    line-height: 2;
    color: var(--light-gray);
    padding-left: 0;
    position: relative;
    margin-bottom: 8px;
}

.feature-list code {
    background-color: var(--medium-gray);
    color: var(--accent-blue);
    padding: 2px 8px;
    border-radius: 4px;
    font-family: 'Roboto Mono', monospace;
    font-size: 0.9em;
}

/* Features Section */
.features {
    padding: 100px 0;
    background-color: var(--dark-gray);
}

.editor-tabs {
    margin-top: 60px;
}

.tabs-nav {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 60px;
}

.tab-btn {
    padding: 16px 40px;
    background-color: var(--medium-gray);
    color: var(--white);
    border: 2px solid transparent;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.tab-btn:hover {
    border-color: var(--blueprint-blue);
}

.tab-btn.active {
    background-color: var(--blueprint-blue);
    border-color: var(--blueprint-blue);
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

.feature-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.feature-media .placeholder-box {
    padding: 80px 40px;
}

.feature-text h3 {
    font-size: 2rem;
    margin-bottom: 16px;
    color: var(--blueprint-light-blue);
}

.feature-text p {
    font-size: 1.125rem;
    color: var(--light-gray);
    margin-bottom: 24px;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    padding: 12px 0;
    font-size: 1.125rem;
    color: var(--white);
    border-bottom: 1px solid var(--medium-gray);
}

/* Themes Section */
.themes {
    padding: 100px 0;
}

.themes-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.theme-card {
    background-color: var(--dark-gray);
    border: 2px solid var(--medium-gray);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
}

.theme-card:hover {
    border-color: var(--blueprint-blue);
    transform: translateY(-4px);
}

.theme-preview {
    background: linear-gradient(135deg, var(--medium-gray) 0%, var(--dark-gray) 100%);
    border: 1px solid var(--medium-gray);
    border-radius: 8px;
    padding: 60px 20px;
    margin-bottom: 16px;
    color: var(--light-gray);
    font-size: 12px;
}

.theme-card h4 {
    font-size: 1.25rem;
    margin-bottom: 8px;
    color: var(--blueprint-light-blue);
}

.theme-card p {
    color: var(--light-gray);
    font-size: 0.9rem;
}

/* Storage Section */
.storage {
    padding: 100px 0;
    background-color: var(--dark-gray);
}

.storage-modes {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 60px;
}

.storage-card {
    background-color: var(--black);
    border: 2px solid var(--blueprint-blue);
    border-radius: 12px;
    padding: 40px;
    text-align: center;
}

.storage-icon {
    width: 80px;
    height: 80px;
    background-color: var(--blueprint-blue);
    border-radius: 50%;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: var(--white);
}

.storage-card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
    color: var(--blueprint-light-blue);
}

.storage-card p {
    color: var(--light-gray);
    font-size: 1rem;
}

/* Pricing Section */
.pricing {
    padding: 100px 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 60px;
}

.pricing-card {
    background-color: var(--dark-gray);
    border: 2px solid var(--medium-gray);
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    position: relative;
}

.pricing-card.featured {
    border-color: var(--blueprint-blue);
    transform: scale(1.05);
}

.badge {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--blueprint-blue);
    color: var(--white);
    padding: 8px 24px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
}

.pricing-card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--blueprint-light-blue);
    margin-bottom: 32px;
}

.price span {
    font-size: 1.25rem;
    color: var(--light-gray);
    font-weight: 400;
}

.pricing-features {
    list-style: none;
    margin-bottom: 32px;
    text-align: left;
}

.pricing-features li {
    padding: 12px 0;
    border-bottom: 1px solid var(--medium-gray);
    color: var(--white);
}

/* FAQ Section */
.faq {
    padding: 100px 0;
    background-color: var(--dark-gray);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
    margin-bottom: 40px;
}

.faq-item {
    background-color: var(--black);
    border: 1px solid var(--medium-gray);
    border-radius: 8px;
    padding: 32px;
    margin-bottom: 20px;
}

.faq-item h4 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: var(--blueprint-light-blue);
}

.faq-item p {
    color: var(--light-gray);
    font-size: 1rem;
}

.faq-cta {
    text-align: center;
    padding: 40px 0 0;
}

.faq-cta p {
    font-size: 1.125rem;
    color: var(--light-gray);
}

.faq-cta a {
    color: var(--blueprint-light-blue);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    transition: border-color 0.3s;
}

.faq-cta a:hover {
    border-bottom-color: var(--blueprint-light-blue);
}

/* Final CTA */
.cta-final {
    padding: 120px 0;
    text-align: center;
}

.cta-final h2 {
    font-size: 3rem;
    margin-bottom: 24px;
}

.cta-final p {
    font-size: 1.25rem;
    color: var(--light-gray);
    margin-bottom: 40px;
}

.cta-note {
    margin-top: 20px;
    font-size: 0.9rem;
    color: var(--light-gray);
}

/* Footer */
.footer {
    background-color: var(--dark-gray);
    padding: 80px 0 30px;
    border-top: 2px solid var(--primary-blue);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 80px;
    margin-bottom: 40px;
}

.footer-info {
    max-width: 400px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.footer-logo .logo-placeholder {
    width: 40px;
    height: 40px;
}

.footer-logo .logo-text {
    font-size: 20px;
}

.footer-tagline {
    color: var(--light-gray);
    font-size: 1rem;
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.footer-column h4 {
    font-size: 1rem;
    margin-bottom: 16px;
    color: var(--primary-blue);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-column a {
    display: block;
    color: var(--light-gray);
    text-decoration: none;
    margin-bottom: 12px;
    transition: color 0.3s;
    font-size: 0.95rem;
}

.footer-column a:hover {
    color: var(--accent-blue);
}

.footer-column p {
    color: var(--light-gray);
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--medium-gray);
    color: var(--light-gray);
    font-size: 0.9rem;
}

.footer-bottom a {
    color: var(--primary-blue);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-bottom a:hover {
    color: var(--accent-blue);
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3.5rem;
    }

    .feature-showcase {
        grid-template-columns: 1fr;
        gap: 40px;
        margin-bottom: 80px;
    }

    .feature-showcase.reverse {
        direction: ltr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        gap: 20px;
    }

    .nav-links li:first-child {
        display: none;
    }

    .hero {
        padding: 80px 0 60px 0;
        min-height: 100vh;
    }

    .hero-video {
        /* On mobile, reduce video opacity even more to save battery */
        opacity: 0.3;
    }

    .hero-logo-image {
        width: 120px;
        height: 120px;
    }

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

    .hero-subtitle {
        font-size: 1.25rem;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .btn-large {
        width: 100%;
        max-width: 300px;
    }

    .section-title {
        font-size: 2rem;
        margin-bottom: 40px;
    }

    .about {
        padding: 60px 0;
    }

    .about-text {
        font-size: 1.125rem;
    }

    .screenshots-features {
        padding: 60px 0;
    }

    .feature-showcase {
        margin-bottom: 60px;
    }

    .feature-description h3 {
        font-size: 1.5rem;
    }

    .feature-description p {
        font-size: 1rem;
    }

    .screenshot-placeholder {
        padding: 60px 20px;
        min-height: 300px;
    }

    .footer {
        padding: 60px 0 30px;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}