/* =========================================
   DESIGN A VIEW - GLOBAL STYLES & VARIABLES
   ========================================= */
:root {
    --dav-brand: #b3875f;
    --dav-ink: #222222;
    --dav-ink-light: #555555;
    --dav-bg-light: #f9f7f5;
    --dav-font: 'Inter', sans-serif;
}

.dav-section {
    font-family: var(--dav-font);
    color: var(--dav-ink);
    background-color: #ffffff;
    box-sizing: border-box;
}

.dav-container {
    max-width: 90rem;
    margin: 0 auto;
    padding: 0 1.5rem;
}

@media (min-width: 1024px) {
    .dav-container { padding: 0 3rem; }
}

/* =========================================
   1. HERO SECTION
   ========================================= */
.dav-hero { padding: 5rem 0; }
.dav-hero-grid { display: grid; grid-template-columns: 1fr; gap: 4rem; align-items: center; }
.dav-hero-label { display: flex; align-items: center; gap: 1rem; }
.dav-hero-line { height: 1px; width: 3rem; background-color: var(--dav-brand); }
.dav-hero-label-text { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.2em; color: var(--dav-brand); text-transform: uppercase; }
.dav-hero-title { font-size: 3rem; font-weight: 300; line-height: 1.1; margin: 1.5rem 0; letter-spacing: -0.02em; }
.dav-hero-title strong { font-weight: 600; }
.dav-hero-desc { font-size: 1.125rem; color: var(--dav-ink-light); font-weight: 300; line-height: 1.6; border-left: 1px solid rgba(179, 135, 95, 0.4); padding-left: 1.5rem; max-width: 36rem; margin-bottom: 2rem; }
.dav-btn { display: inline-flex; align-items: center; justify-content: center; background-color: var(--dav-brand); color: #fff; font-size: 0.875rem; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; padding: 1.25rem 2.5rem; text-decoration: none; transition: all 0.3s ease; box-shadow: 0 20px 25px -5px rgba(179, 135, 95, 0.2); }
.dav-btn:hover { background-color: var(--dav-ink); }
.dav-hero-image-box { width: 100%; height: 350px; background-color: var(--dav-bg-light); border: 1px solid #e5e7eb; border-radius: 0.5rem; display: flex; align-items: center; justify-content: center; box-shadow: 0 25px 50px -12px rgba(34, 34, 34, 0.05); }
.dav-img-placeholder { font-size: 0.625rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; background: rgba(255,255,255,0.9); padding: 0.5rem 1rem; border: 1px solid #f3f4f6; }

@media (min-width: 1024px) {
    .dav-hero { padding: 8rem 0; }
    .dav-hero-grid { grid-template-columns: repeat(12, 1fr); }
    .dav-hero-content { grid-column: span 6; }
    .dav-hero-image { grid-column: span 6; margin-top: 0; }
    .dav-hero-title { font-size: 4.5rem; }
    .dav-hero-image-box { height: 650px; }
}


/* =========================================
   3. PRODUCT SHOWCASE
   ========================================= */
.dav-product { border-bottom: 1px solid #e5e7eb; background: #fff; }
.dav-product-grid { display: grid; grid-template-columns: 1fr; }
.dav-product-img-col { min-height: 350px; padding: 2rem; display: flex; align-items: center; justify-content: center; }
.dav-product-text-col { padding: 2rem; display: flex; flex-direction: column; justify-content: center; }
.dav-product-label { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.2em; color: var(--dav-brand); }
.dav-product-title { font-size: 2.25rem; font-weight: 300; margin: 1rem 0; }
.dav-product-title strong { font-weight: 600; color: var(--dav-brand); }
.dav-product-quote { font-size: 1.25rem; font-family: serif; font-style: italic; color: var(--dav-ink-light); border-left: 1px solid var(--dav-brand); padding-left: 1.5rem; margin-bottom: 1.5rem; }
.dav-product-spec { padding-top: 1rem; border-top: 1px solid #f3f4f6; margin-top: 1rem; }
.dav-product-spec p { font-size: 0.875rem; margin-bottom: 0.5rem; }
.dav-product-spec strong { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; margin-right: 0.5rem; }

@media (min-width: 1024px) {
    .dav-product-grid { grid-template-columns: repeat(2, 1fr); }
    .dav-product-img-col, .dav-product-text-col { padding: 6rem; min-height: 100%; }
    .dav-border-r { border-right: 1px solid #e5e7eb; }
    .dav-order-1-lg { order: 1; }
    .dav-order-2-lg { order: 2; }
}

/* =========================================
   4. TECHNICAL DEEP DIVE
   ========================================= */
.dav-tech { padding: 4rem 0; background: #fff; border-top: 1px solid #f3f4f6; }
.dav-tech-grid { display: grid; grid-template-columns: 1fr; gap: 3rem; }
.dav-tech-row { display: grid; grid-template-columns: 1fr; gap: 1rem; padding: 1.5rem 0; border-bottom: 1px solid #e5e7eb; transition: background 0.3s; }
.dav-tech-row:hover { background: rgba(249, 247, 245, 0.3); }
.dav-tech-label { font-size: 0.875rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; }
.dav-tech-value { font-size: 0.75rem; font-family: monospace; background: var(--dav-bg-light); padding: 0.25rem 0.5rem; display: inline-block; }
.dav-tech-desc { font-size: 0.875rem; font-weight: 300; color: var(--dav-ink-light); }

@media (min-width: 768px) {
    .dav-tech-row { grid-template-columns: 3fr 4fr 5fr; align-items: center; }
}
@media (min-width: 1280px) {
    .dav-tech { padding: 6rem 0; }
    .dav-tech-grid { grid-template-columns: 1fr 3fr; gap: 4rem; }
}

/* =========================================
   5. CONSULTATION FORM
   ========================================= */
.dav-consult { background: var(--dav-bg-light); border-top: 1px solid #e5e7eb; }
.dav-consult-grid { display: grid; grid-template-columns: 1fr; max-width: 90rem; margin: 0 auto; }
.dav-consult-text { padding: 2rem; border-bottom: 1px solid #e5e7eb; }
.dav-consult-form-area { background: #fff; padding: 2rem; box-shadow: 0 10px 15px -3px rgba(34,34,34,0.05); }
.dav-form-group { padding: 0.5rem 0; border-bottom: 1px solid #e5e7eb; margin-bottom: 1.5rem; }
.dav-form-label { display: block; font-size: 0.625rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--dav-brand); margin-bottom: 0.25rem; }
.dav-form-input { width: 100%; border: none; background: transparent; font-size: 0.875rem; padding: 0.5rem 0; outline: none; font-family: var(--dav-font); }
.dav-submit-btn { width: 100%; background: var(--dav-ink); color: #fff; font-weight: 700; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.2em; padding: 1.25rem; border: none; cursor: pointer; transition: background 0.3s; margin-top: 1rem; }
.dav-submit-btn:hover { background: var(--dav-brand); }

@media (min-width: 1024px) {
    .dav-consult-grid { grid-template-columns: repeat(2, 1fr); }
    .dav-consult-text { padding: 6rem; border-bottom: none; border-right: 1px solid #e5e7eb; }
    .dav-consult-form-area { padding: 6rem; }
}


/* =========================================
   7. TECHNICAL DEEP DIVE (PREMIUM CARDS)
   ========================================= */
.dav-tdd-wrap {
    padding: 6rem 0; 
    background-color: #fdfbf9; /* Subtle warm gallery wall tint */
}

.dav-tdd-header {
    text-align: center;
    margin-bottom: 4rem;
    max-width: 42rem;
    margin-left: auto;
    margin-right: auto;
}

.dav-tdd-title {
    font-size: 3rem;
    font-weight: 300;
    margin-top: 0;
    margin-bottom: 1rem;
    color: var(--dav-ink);
    letter-spacing: -0.02em;
}

.dav-tdd-title strong {
    color: var(--dav-brand);
    font-weight: 600;
}

.dav-tdd-subtitle {
    font-size: 1.125rem;
    color: var(--dav-ink-light);
    font-weight: 300;
    line-height: 1.7;
    margin: 0;
}

/* Constrain width for perfect reading line-lengths */
.dav-tdd-list {
    max-width: 75rem;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Premium Card Style */
.dav-tdd-row {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding: 2.5rem;
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.03);
    border-radius: 12px;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.02);
}

.dav-tdd-row:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.08);
    border-color: rgba(179, 135, 95, 0.2); /* Faint brand color border on hover */
}

.dav-tdd-feature {
    font-weight: 600;
    font-size: 1.25rem;
    color: var(--dav-ink);
    letter-spacing: -0.01em;
}

/* Elegant Pill Badge for Specs */
.dav-tdd-spec {
    font-family: var(--dav-font);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--dav-brand);
    background: rgba(179, 135, 95, 0.05);
    border: 1px solid rgba(179, 135, 95, 0.2);
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    display: inline-block;
    width: fit-content;
}

.dav-tdd-benefit {
    font-size: 1.05rem;
    color: var(--dav-ink-light);
    line-height: 1.7;
    font-weight: 300;
}

.dav-tdd-benefit strong {
    color: var(--dav-ink);
    font-weight: 600;
    display: block; /* Stacks nicely on mobile */
    margin-bottom: 0.25rem;
}

/* Desktop Grid Alignment */
@media (min-width: 992px) {
    .dav-tdd-row {
        display: grid;
        grid-template-columns: 1.25fr 1.75fr 2.5fr;
        gap: 3rem;
        align-items: center;
        padding: 3rem 4rem;
    }
    .dav-tdd-benefit strong {
        display: inline; /* Flows inline on desktop */
        margin-bottom: 0;
    }
}