:root {
    --bg-color: #121413;
    --surface-color: #1a1d1b;
    --surface-hover: #222624;
    --text-primary: #ffffff;
    --text-secondary: #9aa89f;
    --accent-green: #4ade80;
    --accent-green-dark: #22c55e;
    --border-color: rgba(74, 222, 128, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

html {
    scroll-behavior: smooth;
}

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

/* Typography & Links */
a {
    text-decoration: none;
    color: inherit;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 24px 6%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(18, 20, 19, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
}

.logo {
    font-weight: 600;
    font-size: 1.25rem;
    letter-spacing: -0.5px;
}

.logo span {
    color: var(--accent-green);
    font-weight: 400;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 32px;
}

.nav-links a {
    font-size: 0.95rem;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

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

/* Layout */
section {
    padding: 120px 6%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Typography elements */
.section-title {
    font-size: 2.5rem;
    font-weight: 500;
    margin-bottom: 24px;
    letter-spacing: -0.5px;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    /* Longer green line */
    height: 3px;
    background: var(--accent-green);
    margin-top: 24px;
    border-radius: 2px;
}

.section-title.m-0 {
    margin-bottom: 0;
}

.section-title.m-0::after {
    margin-top: 12px;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.15rem;
    margin-top: -24px;
    margin-bottom: 60px;
    max-width: 800px;
    line-height: 1.6;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 80px;
    /* Offset for navbar */
}

.hero h1 {
    font-size: 4rem;
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -1.5px;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.hero .subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin-bottom: 40px;
    font-weight: 300;
}

.hero-actions {
    display: flex;
    gap: 16px;
}

/* Buttons */
.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: 4px;
    font-weight: 500;
    font-size: 1rem;
    transition: all 0.3s ease;
    cursor: pointer;
}

.cta-button.primary {
    background: var(--accent-green);
    color: #000;
}

.cta-button.primary:hover {
    background: var(--accent-green-dark);
    transform: translateY(-2px);
}

.cta-button.primary.small {
    padding: 8px 20px;
    font-size: 0.9rem;
}

.cta-button.secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.cta-button.secondary:hover {
    border-color: var(--accent-green);
    background: rgba(74, 222, 128, 0.05);
}

/* Workflows Section */
.workflow-container {
    display: flex;
    flex-direction: column;
    gap: 48px;
}

.workflow-card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 40px;
}

.workflow-card h3 {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 12px;
    color: var(--accent-green);
}

.workflow-card p {
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-size: 1.05rem;
}

/* Visual Flow Diagrams */
.visual-flow {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.flow-step {
    background: var(--surface-hover);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 16px 24px;
    border-radius: 6px;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    transition: border-color 0.3s ease;
}

.flow-step:hover {
    border-color: var(--accent-green);
}

.flow-step.highlight {
    background: rgba(74, 222, 128, 0.08);
    border-color: var(--accent-green);
    color: var(--accent-green);
}

.flow-arrow {
    color: var(--text-secondary);
    font-size: 1.5rem;
}

/* Minutes AI Collapsible */
.minutes-details {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

.minutes-details summary {
    padding: 24px 32px;
    font-size: 1.15rem;
    font-weight: 500;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s ease;
}

.minutes-header {
    display: flex;
    align-items: center;
    gap: 32px;
    margin-bottom: 48px;
}

.minutes-title-group {
    display: flex;
    flex-direction: column;
}

.section-desc.m-0 {
    margin-bottom: 0px;
    margin-top: 16px;
}

.brand-logo-large {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--border-color);
}

.minutes-details summary::-webkit-details-marker {
    display: none;
}

.minutes-details summary:hover {
    background: var(--surface-hover);
}

.minutes-details[open] summary {
    border-bottom: 1px solid var(--border-color);
}

.minutes-details[open] summary .icon {
    transform: rotate(45deg);
}

.icon {
    font-size: 1.5rem;
    color: var(--accent-green);
    transition: transform 0.3s ease;
}

.details-content {
    padding: 40px 32px;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.video-item {
    background: #000;
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    border: 1px solid var(--border-color);
    aspect-ratio: 9/16;
    /* Assumes vertical videos based on typical ad formats. Adjust if needed. */
    display: flex;
    align-items: center;
    justify-content: center;
}

.video-item video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    /* ensures full video is seen without cropping */
}

/* Contact */
.contact-section {
    text-align: center;
    padding: 120px 6%;
}

.contact-section h2 {
    font-size: 2.5rem;
    font-weight: 500;
    margin-bottom: 40px;
}

footer {
    padding: 80px 6% 40px 6%;
    border-top: 1px solid var(--border-color);
    background: var(--surface-color);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    margin-bottom: 40px;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.5px;
    color: var(--text-primary);
}

.footer-logo span {
    color: var(--accent-green);
    font-weight: 400;
}

.footer-links {
    display: flex;
    gap: 16px;
    color: var(--text-secondary);
}

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

.copyright {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Animations */
.fade-up {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Responsive Support */
@media (max-width: 900px) {
    .visual-flow {
        flex-direction: column;
        align-items: flex-start;
    }

    .flow-arrow {
        transform: rotate(90deg);
        margin: 0 0 0 20px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero h1 {
        font-size: 3rem;
    }

    section {
        padding: 80px 24px;
    }

    .minutes-details summary {
        padding: 20px;
    }

    .details-content {
        padding: 24px 20px;
    }
}

/* ... Additional Styles for New Sections ... */

/* About Section */
.about-container {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.about-text {
    font-size: 1.2rem;
    color: var(--text-primary);
    line-height: 1.8;
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.value-card {
    background: var(--surface-color);
    padding: 32px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.value-card h3 {
    color: var(--accent-green);
    margin-bottom: 16px;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.service-card {
    background: var(--surface-hover);
    padding: 32px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-green);
}

.service-card h3 {
    margin-bottom: 16px;
    font-size: 1.25rem;
}

.service-card p {
    color: var(--text-secondary);
}

.industries-text {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

/* Process List */
.process-list {
    color: var(--text-secondary);
    padding-left: 20px;
}

.process-list li {
    margin-bottom: 16px;
    line-height: 1.6;
}

.process-list strong {
    color: var(--text-primary);
}

/* Skills */
.skills-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.skills-col ul {
    list-style: none;
    color: var(--text-secondary);
}

.skills-col li {
    margin-bottom: 16px;
    padding-left: 24px;
    position: relative;
}

.skills-col li::before {
    content: '→';
    color: var(--accent-green);
    position: absolute;
    left: 0;
}