/* CSS Reset & Custom Properties */
:root {
    --c-surface: #ffffff;
    --c-surface-alt: #f4f4f5;
    --c-ink-main: #18181b;
    --c-ink-sub: #52525b;
    --c-accent: #27272a;
    --c-border: #e4e4e7;
    
    --f-serif: 'Playfair Display', serif;
    --f-sans: 'Inter', sans-serif;

    --space-xs: 0.5rem;
    --space-sm: 1.2rem;
    --space-md: 2.5rem;
    --space-lg: 4.2rem;
    --space-xl: 6.5rem;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--f-sans);
    color: var(--c-ink-main);
    background-color: var(--c-surface);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

img {
    width: 100%;
    height: auto;
    object-fit: cover;
    display: block;
}

h1, h2, h3, h4 {
    font-family: var(--f-serif);
    font-weight: 600;
    line-height: 1.2;
    color: var(--c-ink-main);
}

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

/* Typography Utilities */
.atl-section-title {
    font-size: 2.2rem;
    margin-bottom: var(--space-sm);
}
.atl-text-center {
    text-align: center;
}
.atl-body-copy {
    font-size: 1.05rem;
    color: var(--c-ink-sub);
    margin-bottom: var(--space-sm);
}
.atl-inline-ref {
    text-decoration: underline;
    text-underline-offset: 3px;
    color: var(--c-ink-main);
    font-weight: 500;
}

/* Components */
.atl-action-trigger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 2rem;
    font-family: var(--f-sans);
    font-weight: 500;
    font-size: 0.95rem;
    border: 1px solid var(--c-accent);
    cursor: pointer;
    transition: all 0.2s ease;
}

.atl-primary-trigger {
    background-color: var(--c-accent);
    color: var(--c-surface);
}
.atl-primary-trigger:hover {
    background-color: var(--c-surface);
    color: var(--c-accent);
}
.atl-full-width {
    width: 100%;
}

/* Header */
.atl-masthead {
    position: sticky;
    top: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--c-border);
    z-index: 100;
}
.atl-masthead-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.2rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.atl-brand-mark {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--f-serif);
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: -0.02em;
}
.atl-nav-track {
    display: flex;
    gap: 2rem;
}
.atl-nav-node {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--c-ink-sub);
    transition: color 0.2s ease;
}
.atl-nav-node:hover {
    color: var(--c-ink-main);
}

/* Hero */
.atl-hero-stage {
    padding: var(--space-xl) 2rem var(--space-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 1000px;
    margin: 0 auto;
}
.atl-hero-nucleus {
    max-width: 700px;
    margin-bottom: var(--space-md);
}
.atl-prime-heading {
    font-size: 3.5rem;
    margin-bottom: var(--space-sm);
    letter-spacing: -0.03em;
}
.atl-sub-heading {
    font-size: 1.2rem;
    color: var(--c-ink-sub);
    margin-bottom: var(--space-md);
}
.atl-hero-visual {
    width: 100%;
}
.atl-hero-visual img {
    aspect-ratio: 21/9;
    border-radius: 4px;
}

/* Corporate Profile (About) */
.atl-corporate-profile {
    background-color: var(--c-surface-alt);
    padding: var(--space-xl) 2rem;
}
.atl-profile-matrix {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    align-items: center;
}
.atl-profile-visual img {
    aspect-ratio: 4/3;
    border-radius: 4px;
}

/* Capabilities (Services) */
.atl-freight-solutions {
    padding: var(--space-xl) 2rem;
}
.atl-solutions-wrapper {
    max-width: 1200px;
    margin: 0 auto;
}
.atl-section-preamble {
    color: var(--c-ink-sub);
    font-size: 1.1rem;
    margin-bottom: var(--space-lg);
}
.atl-solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: var(--space-xl);
}
.atl-freight-card {
    border: 1px solid var(--c-border);
    padding: 1rem;
    border-radius: 4px;
    transition: transform 0.3s ease;
}
.atl-freight-card:hover {
    transform: translateY(-4px);
}
.atl-card-img {
    aspect-ratio: 16/10;
    margin-bottom: 1.2rem;
    border-radius: 2px;
}
.atl-card-title {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}
.atl-card-desc {
    font-size: 0.95rem;
    color: var(--c-ink-sub);
}

/* Accordion Deep Content */
.atl-op-details {
    max-width: 800px;
    margin: 0 auto;
    border-top: 1px solid var(--c-border);
    padding-top: var(--space-md);
}
.atl-op-heading {
    margin-bottom: var(--space-md);
}
.atl-accordion-unit {
    border-bottom: 1px solid var(--c-border);
}
.atl-accordion-toggle {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    padding: 1.2rem 0;
    font-family: var(--f-sans);
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--c-ink-main);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.atl-accordion-toggle::after {
    content: '+';
    font-size: 1.5rem;
    font-weight: 300;
    transition: transform 0.3s ease;
}
.atl-accordion-unit.is-active .atl-accordion-toggle::after {
    transform: rotate(45deg);
}
.atl-accordion-payload {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease;
    color: var(--c-ink-sub);
    font-size: 0.95rem;
}
.atl-accordion-unit.is-active .atl-accordion-payload {
    max-height: 200px;
    padding-bottom: 1.2rem;
}

/* Client Feedback */
.atl-client-feedback {
    background-color: var(--c-surface-alt);
    padding: var(--space-xl) 2rem;
}
.atl-feedback-bounds {
    max-width: 1200px;
    margin: 0 auto;
}
.atl-feedback-roster {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    margin-top: var(--space-md);
}
.atl-endorsement {
    flex: 1 1 300px;
    background-color: var(--c-surface);
    padding: 2.5rem;
    border: 1px solid var(--c-border);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.atl-quote-text {
    font-family: var(--f-serif);
    font-style: italic;
    font-size: 1.15rem;
    color: var(--c-ink-main);
    margin-bottom: 2rem;
}
.atl-endorser-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.atl-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
}
.atl-endorser-id {
    display: flex;
    flex-direction: column;
}
.atl-name {
    font-weight: 600;
    font-size: 0.95rem;
}
.atl-role {
    font-size: 0.85rem;
    color: var(--c-ink-sub);
}

/* Dispatch Contact */
.atl-dispatch-contact {
    padding: var(--space-xl) 2rem;
}
.atl-contact-core {
    max-width: 600px;
    margin: 0 auto;
}
.atl-data-capture {
    margin-top: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}
.atl-input-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.2rem;
}
.atl-input-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}
.atl-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--c-ink-sub);
}
.atl-field {
    padding: 0.8rem;
    border: 1px solid var(--c-border);
    border-radius: 0;
    font-family: var(--f-sans);
    font-size: 1rem;
    background-color: var(--c-surface-alt);
    transition: border-color 0.2s ease;
}
.atl-field:focus {
    outline: none;
    border-color: var(--c-ink-main);
}
.atl-textarea {
    min-height: 120px;
    resize: vertical;
}
.atl-noise-disclaimer {
    font-size: 0.75rem;
    color: #a1a1aa;
    margin-top: 0.5rem;
}

/* Footer */
.atl-site-base {
    background-color: var(--c-ink-main);
    color: var(--c-surface);
    padding: var(--space-lg) 2rem 2rem;
}
.atl-base-matrix {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: var(--space-lg);
}
.atl-brand-light {
    color: var(--c-surface);
    margin-bottom: 1rem;
}
.atl-base-heading {
    color: var(--c-surface);
    font-family: var(--f-sans);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1.2rem;
}
.atl-base-text, .atl-base-address, .atl-base-link {
    font-size: 0.9rem;
    color: #a1a1aa;
    font-style: normal;
    line-height: 1.8;
    display: block;
}
.atl-base-link:hover {
    color: var(--c-surface);
}
.atl-base-bottom {
    max-width: 1200px;
    margin: 0 auto;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 2rem;
    text-align: center;
}

/* Responsive Leakage & Adjustments */
@media (max-width: 900px) {
    .atl-profile-matrix {
        grid-template-columns: 1fr;
    }
    .atl-base-matrix {
        grid-template-columns: 1fr 1fr;
    }
    .atl-prime-heading {
        font-size: 2.8rem;
    }
}

@media (max-width: 600px) {
    .atl-nav-track {
        display: none; /* Simplification for mobile */
    }
    .atl-input-row {
        grid-template-columns: 1fr;
    }
    .atl-base-matrix {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .atl-prime-heading {
        font-size: 2.2rem;
    }
    .atl-hero-stage {
        padding-top: var(--space-lg);
    }
}