/* ==========================================================================
   AURAX — Reusable Architectural UI Components (Mobile-First)
   ========================================================================== */

/* ==========================================================================
   1. Buttons & CTA Elements
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    min-height: 46px; /* Accessibility standard min touch target */
    padding: 12px 24px;
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    border-radius: 2px;
    border: 1px solid transparent;
    cursor: pointer;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
    transition: background-color var(--transition-base), border-color var(--transition-base), color var(--transition-base), transform var(--transition-fast);
}

.btn:active {
    transform: translateY(1px);
}

/* Primary Light Solid Button */
.btn-primary {
    background-color: var(--color-pure-white);
    color: var(--color-black);
    border-color: var(--color-pure-white);
}

.btn-primary:hover {
    background-color: var(--color-sand);
    border-color: var(--color-sand);
    color: var(--color-black);
}

/* Accent Green Button */
.btn-accent {
    background: linear-gradient(135deg, #6B9457 0%, #4D6E3D 100%);
    color: var(--color-pure-white);
    border: 1px solid #7AA662;
    box-shadow: 0 4px 16px rgba(94, 130, 76, 0.25);
    transition: background var(--transition-base), transform var(--transition-fast), box-shadow var(--transition-base);
}

.btn-accent:hover {
    background: linear-gradient(135deg, #7AA662 0%, #5E824C 100%);
    border-color: #8EB874;
    color: var(--color-pure-white);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(94, 130, 76, 0.40);
}

/* Secondary Outlined Button */
.btn-secondary,
.btn-outline {
    background-color: rgba(255, 255, 255, 0.03);
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.btn-secondary:hover,
.btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.08);
    border-color: var(--color-green-accent);
    color: var(--color-pure-white);
    transform: translateY(-2px);
}

.btn-outline-white {
    background-color: rgba(255, 255, 255, 0.06);
    color: var(--color-pure-white);
    border-color: rgba(255, 255, 255, 0.22);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.btn-outline-white:hover {
    background-color: var(--color-pure-white);
    color: var(--color-black);
    border-color: var(--color-pure-white);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 255, 255, 0.15);
}

/* WhatsApp Direct CTA Button */
.btn-whatsapp {
    background-color: #25D366;
    color: #080808;
    border-color: #25D366;
    font-weight: 700;
}

.btn-whatsapp:hover {
    background-color: #20BA5A;
    border-color: #20BA5A;
    color: #080808;
}

/* Sizes */
.btn-large {
    min-height: 52px;
    padding: 14px 32px;
    font-size: 0.9375rem;
    letter-spacing: 0.08em;
}

.btn-sm {
    min-height: 38px;
    padding: 8px 16px;
    font-size: var(--text-xs);
}

.btn-full {
    width: 100%;
    display: flex;
}

/* ==========================================================================
   2. Filter Chips / Category Selectors (Horizontal Touch Scroll on Mobile)
   ========================================================================== */

.filter-chips {
    display: flex;
    flex-wrap: nowrap;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
    overflow-x: auto;
    padding-bottom: var(--space-xs);
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none; /* Firefox */
}

.filter-chips::-webkit-scrollbar {
    display: none; /* Chrome, Safari */
}

.chip {
    padding: 10px 18px;
    min-height: 42px;
    font-family: var(--font-heading);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    background-color: transparent;
    color: var(--color-stone);
    border: 1px solid var(--color-slate);
    border-radius: 2px;
    cursor: pointer;
    white-space: nowrap;
    flex-shrink: 0;
    transition: all var(--transition-fast);
}

.chip:hover,
.chip.is-active,
.chip.active {
    background-color: var(--color-black);
    color: var(--color-pure-white);
    border-color: var(--color-green-accent);
}

/* ==========================================================================
   3. Architectural Cards
   ========================================================================== */

.card {
    background-color: var(--color-charcoal);
    border: 1px solid var(--color-border-subtle);
    border-radius: 2px;
    padding: var(--space-lg);
    transition: border-color var(--transition-base), transform var(--transition-base);
}

.card:hover {
    border-color: rgba(255, 255, 255, 0.16);
}

/* Project Portfolio Card */
.project-card {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    background-color: var(--color-charcoal);
    border: 1px solid var(--color-border-subtle);
    border-radius: 2px;
    overflow: hidden;
    width: 100%;
    transition: border-color var(--transition-base), transform var(--transition-base);
}

.project-card:hover {
    border-color: var(--color-green-accent);
}

.project-image-wrap {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background-color: #121212;
}

.project-image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.project-card:hover .project-image-wrap img {
    transform: scale(1.03);
}

.project-card-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background-color: rgba(8, 8, 8, 0.88);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: var(--color-sand);
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: 2px;
}

.project-meta {
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    justify-content: space-between;
}

.project-meta-top {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: var(--space-2xs);
}

.project-location {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--color-ash);
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
}

.project-year {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--color-stone);
}

.project-title {
    font-size: var(--text-h4);
    font-weight: 700;
    margin-bottom: var(--space-2xs);
    color: var(--color-pure-white);
    line-height: 1.25;
}

.project-category {
    font-size: var(--text-xs);
    color: var(--color-green-accent);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    font-weight: 600;
}

/* ==========================================================================
   4. Form Elements (16px font-size to prevent iOS Safari auto-zoom)
   ========================================================================== */

.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: var(--space-sm);
    text-align: left;
    width: 100%;
}

.form-group label {
    font-family: var(--font-body);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    color: var(--color-cement);
    margin-bottom: var(--space-2xs);
}

.form-control,
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    min-height: 48px; /* Touch target */
    padding: 12px 16px;
    background-color: #0E0E0E;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 4px;
    color: var(--color-pure-white);
    font-family: var(--font-body);
    font-size: 16px; /* Prevents auto-zoom on iOS safari */
    line-height: 1.5;
    transition: border-color var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group textarea {
    min-height: 110px;
    resize: vertical;
}

.form-control:focus,
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-green-accent);
    background-color: #141414;
    box-shadow: 0 0 0 3px rgba(94, 130, 76, 0.25);
}

.form-control::placeholder,
.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-ash);
}

.form-control.form-error,
.form-group input.form-error,
.form-group select.form-error,
.form-group textarea.form-error {
    border-color: var(--color-error);
    background-color: rgba(183, 50, 50, 0.06);
}

.error-msg {
    color: #E57373;
    font-size: 12px;
    margin-top: 4px;
    font-family: var(--font-body);
}

.honeypot {
    display: none !important;
    position: absolute;
    left: -9999px;
    opacity: 0;
}

/* ==========================================================================
   5. Statistics Counters
   ========================================================================== */

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: clamp(2.4rem, 4vw, 4.5rem);
    font-weight: 700;
    line-height: 1;
    color: var(--color-pure-white);
    letter-spacing: var(--tracking-tighter);
    margin-bottom: 4px;
}

.stat-label {
    font-family: var(--font-body);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    color: var(--color-stone);
}

/* ==========================================================================
   6. Testimonial Quote Wrap
   ========================================================================== */

.testimonial-quote-wrap {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--space-xs);
}

.quote-mark {
    font-family: var(--font-heading);
    font-size: clamp(4rem, 8vw, 7rem);
    line-height: 1;
    color: rgba(255, 255, 255, 0.06);
    position: absolute;
    top: -2rem;
    left: 0;
    user-select: none;
}

.quote-text {
    font-family: var(--font-heading);
    font-size: clamp(1.2rem, 1rem + 1vw, 1.85rem);
    font-weight: 500;
    line-height: 1.4;
    color: var(--color-white);
    margin-bottom: var(--space-md);
    letter-spacing: var(--tracking-tight);
}

.quote-author {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.author-name {
    font-family: var(--font-heading);
    font-size: var(--text-body);
    font-weight: 700;
    color: var(--color-pure-white);
}

.author-meta {
    font-size: var(--text-xs);
    color: var(--color-stone);
}

/* ==========================================================================
   7. Lightbox Overlay (Mobile-Friendly Touch Close)
   ========================================================================== */

.lightbox-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(8, 8, 8, 0.96);
    backdrop-filter: blur(10px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
    padding: var(--space-md);
}

.lightbox-overlay.is-active {
    opacity: 1;
    pointer-events: auto;
}

.lightbox-content {
    max-width: 95vw;
    max-height: 90vh;
    position: relative;
}

.lightbox-content img {
    max-height: 80vh;
    max-width: 95vw;
    width: auto;
    object-fit: contain;
    border-radius: 2px;
}

.lightbox-close {
    position: absolute;
    top: 16px;
    right: 16px;
    color: var(--color-white);
    font-size: 32px;
    cursor: pointer;
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ==========================================================================
   8. Custom Architectural Icon & Feature System
   ========================================================================== */

.ax-icon {
    display: inline-block;
    vertical-align: middle;
    flex-shrink: 0;
    transition: stroke var(--transition-base), transform var(--transition-base);
}

.ax-icon-wrap {
    width: 58px;
    height: 58px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1.5px solid rgba(94, 130, 76, 0.50);
    border-radius: 8px;
    background-color: rgba(94, 130, 76, 0.16);
    color: #8EB874;
    margin-bottom: var(--space-sm);
    box-shadow: 0 0 20px rgba(94, 130, 76, 0.22);
    transition: all var(--transition-base);
}

.ax-icon-wrap:hover,
.card-interactive:hover .ax-icon-wrap {
    border-color: #A3D188;
    background-color: rgba(94, 130, 76, 0.28);
    color: #C0E8A8;
    box-shadow: 0 0 28px rgba(94, 130, 76, 0.45);
    transform: scale(1.06);
}

/* Principles & Values Grid */
.principles-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

@media (min-width: 480px) {
    .principles-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }
}

@media (min-width: 1024px) {
    .principles-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--space-lg);
        margin-top: var(--space-lg);
    }
}

.principle-card {
    background-color: #141414;
    border: 1px solid #282828;
    padding: clamp(14px, 3vw, 20px);
    border-radius: 2px;
    transition: transform var(--transition-base), border-color var(--transition-base);
}

.principle-card:hover {
    border-color: var(--color-green-accent);
    transform: translateY(-2px);
}

.principle-num {
    font-family: var(--font-heading);
    font-size: var(--text-xs);
    font-weight: 700;
    letter-spacing: var(--tracking-wider);
    color: var(--color-green-accent);
    margin-bottom: var(--space-xs);
    display: block;
}

.principle-title,
.principle-card h3 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-pure-white);
    margin: 0 0 var(--space-xs) 0;
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
}

.principle-desc,
.principle-card p {
    font-size: var(--text-sm);
    color: var(--color-cement);
    line-height: var(--leading-relaxed);
    margin: 0;
}

/* Process Timeline (Horizontal on desktop, vertical on mobile) */
.process-timeline {
    position: relative;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

@media (min-width: 768px) {
    .process-timeline {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-lg);
    }
}

@media (min-width: 1024px) {
    .process-timeline {
        grid-template-columns: repeat(6, 1fr);
        gap: var(--space-md);
    }
    
    .process-timeline::before {
        content: '';
        position: absolute;
        top: 24px;
        left: 24px;
        right: 24px;
        height: 1px;
        background: linear-gradient(90deg, var(--color-slate) 0%, var(--color-green) 50%, var(--color-slate) 100%);
        z-index: 0;
    }
}

.process-step {
    position: relative;
    z-index: 1;
    background-color: var(--color-graphite);
    border: 1px solid var(--color-slate);
    padding: var(--space-md) var(--space-sm);
    border-radius: 2px;
    text-align: center;
    transition: all var(--transition-base);
}

.process-step:hover {
    border-color: var(--color-green);
    transform: translateY(-2px);
}

.process-marker {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-sm) auto;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: var(--color-charcoal);
    border: 1px solid var(--color-slate);
    color: var(--color-green);
    transition: all var(--transition-base);
}

.process-step:hover .process-marker {
    border-color: var(--color-green);
    background-color: var(--color-black);
}

.process-num {
    font-family: var(--font-heading);
    font-size: var(--text-xs);
    font-weight: 700;
    color: var(--color-cement);
    letter-spacing: var(--tracking-wider);
    display: block;
    margin-bottom: 2px;
}

.process-title {
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--color-pure-white);
    margin: 0 0 var(--space-xs) 0;
    letter-spacing: var(--tracking-wide);
}

.process-desc {
    font-size: var(--text-xs);
    color: var(--color-cement);
    line-height: var(--leading-normal);
    margin: 0;
}

/* Capabilities List (12 Categories) */
.capabilities-list {
    display: flex;
    flex-direction: column;
    margin-top: var(--space-lg);
    border-top: 1px solid var(--color-slate);
}

.capability-row {
    display: grid;
    grid-template-columns: 24px 28px 1fr 20px;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--color-slate);
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-fast);
}

@media (min-width: 768px) {
    .capability-row {
        grid-template-columns: 48px 36px 220px 1fr 32px;
        gap: var(--space-md);
        padding: var(--space-lg) 0;
    }
}

.capability-row:hover {
    background-color: rgba(255, 255, 255, 0.02);
    border-bottom-color: var(--color-cement);
    padding-left: var(--space-sm);
    padding-right: var(--space-sm);
}

.capability-num {
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-cement);
    letter-spacing: var(--tracking-wider);
}

.capability-icon {
    color: var(--color-green);
    display: flex;
    align-items: center;
}

.capability-title {
    font-family: var(--font-heading);
    font-size: clamp(0.9375rem, 0.85rem + 0.35vw, 1.125rem);
    font-weight: 700;
    color: var(--color-pure-white);
    margin: 0;
    letter-spacing: var(--tracking-wide);
    transition: color var(--transition-fast);
    line-height: 1.25;
}

.capability-row:hover .capability-title {
    color: var(--color-green-light);
}

.capability-desc {
    font-size: var(--text-sm);
    color: var(--color-cement);
    margin: 0;
    line-height: var(--leading-relaxed);
    display: none;
}

@media (min-width: 768px) {
    .capability-desc {
        display: block;
    }
}

.capability-arrow {
    color: var(--color-cement);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    transition: transform var(--transition-fast), color var(--transition-fast);
}

.capability-row:hover .capability-arrow {
    color: var(--color-pure-white);
    transform: translateX(4px);
}