/* ------------------------------------------------------------
   COLOR PALETTE & DESIGN VARIABLES
   Reflecting the heavy shipping, Red River navigation, iron rails,
   and core Southern staples (sugar, molasses) traded by the barrel.
------------------------------------------------------------ */
:root {
    --river-port-navy: #0F1C2E;    /* Deep, authoritative background/headers */
    --industrial-slate: #334257;   /* Technical mid-tones & architectural borders */
    --molasses-gold: #D4AF37;      /* Warm metallic accents and callouts */
    --raw-sugar-amber: #E2B13C;    /* Hover accents and bright highlights */
    --weathered-brick: #8B4F3E;    /* Subdued nod to the 616 Commerce St storefront */
    --ledger-cream: #FAF7F0;       /* High-readability vintage paper background */
    --pure-white: #FFFFFF;

    /* Typography Ideation */
    --header-font: 'Playfair Display', 'Georgia', serif; /* Late-19th-century letterpress / bank ledger style */
    --body-font: 'Inter', 'Helvetica Neue', sans-serif;   /* Modern technical authority font */
}

/* ------------------------------------------------------------
   BASE STYLES & RESET
------------------------------------------------------------ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--ledger-cream);
    color: var(--river-port-navy);
    font-family: var(--body-font);
    line-height: 1.6;
}

h1, h2, h3, h4 {
    font-family: var(--header-font);
    font-weight: 700;
    letter-spacing: 0.5px;
}

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

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 0;
}

/* ------------------------------------------------------------
   NAVIGATION HEADER
------------------------------------------------------------ */
header {
    background-color: var(--river-port-navy);
    border-bottom: 3px solid var(--molasses-gold);
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.nav-container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    color: var(--ledger-cream);
    font-size: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.logo span {
    color: var(--molasses-gold);
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 25px;
}

nav ul li a {
    color: var(--ledger-cream);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

nav ul li a:hover {
    color: var(--molasses-gold);
}

/* ------------------------------------------------------------
   1. INTRO FEATURE SECTION
------------------------------------------------------------ */
#intro {
    background: linear-gradient(rgba(15, 28, 46, 0.92), rgba(15, 28, 46, 0.95)),
                url('https://images.unsplash.com/photo-1541976590-713951017919?auto=format&fit=crop&w=1920&q=80'); /* Vintage industrial grid/blueprint proxy background */
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    min-height: 100vh;
    display: flex;
    align-items: center;
    color: var(--ledger-cream);
    padding-top: 100px;
    border-bottom: 5px solid var(--industrial-slate);
}

.intro-layout {
    display: flex;
    align-items: center;
    gap: 60px;
    width: 100%;
}

.intro-content {
    flex: 1;
}

.intro-shield {
    flex-shrink: 0;
    width: 380px;
}

.intro-shield img {
    width: 100%;
    filter: drop-shadow(0 0 40px rgba(212, 175, 55, 0.25));
}

.intro-tagline {
    color: var(--molasses-gold);
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 15px;
    font-weight: 600;
}

#intro h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 25px;
    color: var(--pure-white);
}

.intro-text {
    font-size: 1.2rem;
    margin-bottom: 35px;
    opacity: 0.9;
    font-weight: 300;
}

.btn-gold {
    background-color: var(--molasses-gold);
    color: var(--river-port-navy);
    padding: 14px 28px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.85rem;
    border: 2px solid var(--molasses-gold);
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.btn-gold:hover {
    background-color: transparent;
    color: var(--molasses-gold);
}

/* ------------------------------------------------------------
   2. WHAT WE DO (THE "WHOLESALE HOUSE" SUBSIDIARY MANIFEST)
   UI layout framing modern operations as structured cargo/departments.
------------------------------------------------------------ */
#what-we-do {
    background-color: var(--pure-white);
}

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

.section-header h2 {
    font-size: 2.5rem;
    position: relative;
    padding-bottom: 15px;
    margin-bottom: 15px;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--molasses-gold);
}

.section-header p {
    color: var(--industrial-slate);
    font-style: italic;
}

.subsidiary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.cargo-box {
    background-color: var(--ledger-cream);
    border: 1px solid rgba(51, 66, 87, 0.1);
    border-left: 5px solid var(--industrial-slate);
    padding: 40px;
    position: relative;
    transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.cargo-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(15, 28, 46, 0.08);
    border-left-color: var(--molasses-gold);
}

.cargo-dept {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--industrial-slate);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
    display: block;
}

.cargo-box h3 {
    font-size: 1.6rem;
    margin-bottom: 15px;
    color: var(--river-port-navy);
}

.cargo-box p {
    font-size: 0.95rem;
    color: var(--industrial-slate);
    margin-bottom: 20px;
}

.cargo-tag {
    display: inline-block;
    font-size: 0.75rem;
    background-color: rgba(15, 28, 46, 0.05);
    padding: 4px 10px;
    font-weight: 500;
    color: var(--river-port-navy);
    border: 1px dashed var(--industrial-slate);
}

/* ------------------------------------------------------------
   3. WHO WE ARE SECTION
------------------------------------------------------------ */
#who-we-are {
    background-color: var(--ledger-cream);
    border-top: 1px solid rgba(51, 66, 87, 0.1);
}

.profile-block {
    background-color: var(--pure-white);
    border: 1px solid rgba(51, 66, 87, 0.1);
    padding: 50px;
    max-width: 900px;
    margin: 0 auto;
    box-shadow: 0 4px 20px rgba(0,0,0,0.02);
}

.profile-title {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--river-port-navy);
    border-bottom: 1px solid rgba(51, 66, 87, 0.1);
    padding-bottom: 15px;
}

.profile-text {
    font-size: 1.05rem;
    color: var(--industrial-slate);
    margin-bottom: 20px;
}

/* ------------------------------------------------------------
   4. HISTORY OF ARDIS & CO. SECTION
------------------------------------------------------------ */
#history {
    background-color: var(--river-port-navy);
    color: var(--ledger-cream);
}

#history .section-header h2 {
    color: var(--pure-white);
}

#history .section-header p {
    color: var(--molasses-gold);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    width: 2px;
    height: 100%;
    background: rgba(250, 247, 240, 0.15);
    transform: translateX(-50%);
}

.timeline-item {
    padding: 20px 40px;
    position: relative;
    width: 50%;
    box-sizing: border-box;
}

.timeline-item.left {
    left: 0;
    text-align: right;
}

.timeline-item.right {
    left: 50%;
    text-align: left;
}

.timeline-item::after {
    content: '';
    position: absolute;
    width: 14px;
    height: 14px;
    right: -7px;
    top: 26px;
    background-color: var(--river-port-navy);
    border: 2px solid var(--molasses-gold);
    border-radius: 50%;
    z-index: 1;
}

.timeline-item.right::after {
    left: -7px;
}

.timeline-date {
    font-family: var(--header-font);
    font-size: 1.5rem;
    color: var(--molasses-gold);
    font-weight: 700;
    margin-bottom: 5px;
    display: block;
}

.timeline-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--pure-white);
}

.timeline-body {
    font-size: 0.9rem;
    opacity: 0.85;
}

.historic-footprints {
    margin-top: 60px;
    border-top: 1px dashed rgba(250, 247, 240, 0.2);
    padding-top: 40px;
}

.historic-footprints h3 {
    text-align: center;
    color: var(--pure-white);
    margin-bottom: 30px;
    font-size: 1.8rem;
}

.footprint-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.footprint-card {
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(250, 247, 240, 0.1);
    padding: 25px;
}

.footprint-card h4 {
    color: var(--molasses-gold);
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.footprint-card p {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* ------------------------------------------------------------
   5. CONTACT US SECTION
------------------------------------------------------------ */
#contact {
    background-color: var(--pure-white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.contact-info p {
    color: var(--industrial-slate);
    margin-bottom: 30px;
}

.meta-detail {
    margin-bottom: 15px;
    font-size: 0.95rem;
}

.meta-detail strong {
    color: var(--river-port-navy);
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1px;
    display: block;
}

.contact-form form {
    display: flex;
    flex-direction: column;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--industrial-slate);
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid rgba(51, 66, 87, 0.2);
    background-color: var(--ledger-cream);
    font-family: var(--body-font);
    font-size: 0.95rem;
    color: var(--river-port-navy);
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--molasses-gold);
}

/* ------------------------------------------------------------
   FOOTER
------------------------------------------------------------ */
footer {
    background-color: var(--river-port-navy);
    color: rgba(250, 247, 240, 0.6);
    padding: 40px 0;
    border-top: 1px solid rgba(250, 247, 240, 0.1);
    font-size: 0.85rem;
    text-align: center;
}

footer p {
    margin-bottom: 10px;
}

/* ------------------------------------------------------------
   RESPONSIVE MEDIA QUERIES
------------------------------------------------------------ */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        padding: 15px 0;
    }
    nav ul {
        margin-top: 15px;
        flex-wrap: wrap;
        justify-content: center;
    }
    nav ul li {
        margin: 5px 10px;
    }
    #intro h1 {
        font-size: 2.3rem;
    }
    .intro-layout {
        flex-direction: column;
        gap: 40px;
    }
    .intro-shield {
        width: 260px;
        order: -1;
    }
    .tagline-sep { display: none; }
    .tagline-re-est { display: block; }
    .timeline::before {
        left: 40px;
    }
    .timeline-item {
        width: 100%;
        left: 0 !important;
        text-align: left !important;
        padding-left: 80px;
        padding-right: 20px;
    }
    .timeline-item::after {
        left: 33px !important;
        right: auto !important;
    }
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}