/* ============================================================
   AARUSH ECO TECH — COMPONENTS CSS
   Reusable UI components: cards, badges, stats, forms,
   footer, trust bar, tables. All page-agnostic.

   Phase R3 — unified component formulas, token-driven.
   NO hex values. NO :root definitions.
   ============================================================ */

/* ==================== CARDS ==================== */
.card {
    background: var(--card-bg);
    border: var(--card-border);
    border-radius: var(--card-radius);
    padding: var(--card-pad);
    transition: box-shadow 0.3s ease,
        border-color 0.3s ease,
        transform 0.3s ease;
    box-shadow: var(--card-shadow);
    /* none at rest */
}

.card:hover {
    box-shadow: var(--card-shadow-hover);
    border-color: var(--card-border-hover);
    transform: translateY(-3px);
}

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

.card--accent-border {
    border: 2px solid var(--color-primary);
}

.card--centered {
    text-align: center;
}

.card--flex-row {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.card-img {
    width: 100%;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
    object-fit: cover;
}

.card-title {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
}

.card-list {
    list-style: none;
    padding: 0;
}

.card-list li {
    padding: 0.35rem 0;
    font-size: 0.9rem;
    color: var(--text-body);
    border-bottom: 1px solid var(--border-subtle);
}

.card-list li:last-child {
    border-bottom: none;
}

/* ==================== BADGE SYSTEM ==================== */
/* ONE formula. Eliminates all prior variants. */
.badge,
.badge--success,
.badge-success {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: var(--badge-pad);
    border-radius: var(--badge-radius);
    font-family: var(--cta-font);
    font-size: var(--badge-size);
    font-weight: var(--badge-weight);
    letter-spacing: var(--badge-tracking);
    text-transform: uppercase;
    background: var(--badge-bg);
    color: var(--badge-text);
    border: 1px solid var(--badge-border);
}

.badge-warning {
    background: var(--badge-warning-bg);
    color: var(--badge-warning-color);
    border: 1px solid var(--badge-warning-border);
}

.badge-info {
    background: var(--badge-info-bg);
    color: var(--signal-info);
    border: 1px solid var(--badge-info-border);
}

.badge-dot,
.badge--success .badge-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--color-primary);
    flex-shrink: 0;
    animation: blink 2s infinite;
}

/* ==================== SECTION HEADER ==================== */
.section-header {
    text-align: center;
    margin-bottom: var(--space-after-header);
}

.section-title {
    font-family: var(--ff-head);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-heading);
    margin: 0.75rem 0 0.5rem;
}

.section-title span {
    color: var(--color-primary);
}

.section-sub {
    font-size: 1rem;
    color: var(--text-body);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.75;
}

.section-heading-top {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 700;
    margin: 0.5rem 0 1rem;
}

.section-subhead {
    max-width: 680px;
    margin: 0 auto;
    line-height: 1.7;
    font-size: 0.975rem;
}

/* ==================== STATS ==================== */
.stat-number {
    font-family: var(--ff-head);
    font-size: 2.75rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-card {
    background: var(--card-bg);
    border: var(--card-border);
    border-radius: var(--card-radius);
    padding: var(--card-pad);
    text-align: center;
    transition: box-shadow 0.3s ease,
        border-color 0.3s ease,
        transform 0.3s ease;
}

.stat-card:hover {
    border-color: var(--card-border-hover);
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-3px);
}

/* ==================== TRUST BAR ==================== */
.trust-banner {
    background: var(--surface-neutral);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: var(--space-section-sm) 0;
}

.trust-items {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    opacity: 0.7;
    transition: opacity 0.3s ease;
    text-align: center;
}

.trust-item:hover {
    opacity: 1;
}

.trust-item img {
    height: 60px;
    width: auto;
    filter: grayscale(0.5);
    transition: filter 0.3s ease;
}

.trust-item:hover img {
    filter: grayscale(0);
}

/* ==================== TRUST BAR LOGO STRIP (SHARED) ==================== */
.trust-bar {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    padding: 2rem 0;
}

.trust-bar .trust-bar-label {
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-tertiary);
    text-align: center;
    margin-bottom: 1.5rem;
}

.trust-bar .hero-pedigree-logos {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    gap: 2rem;
    flex-wrap: nowrap;
}

.trust-bar .hero-pedigree-logo {
    height: 75px;
    width: auto;
    object-fit: contain;
    filter: grayscale(1) brightness(0.5);
    opacity: 0.7;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.trust-bar .hero-pedigree-logo:hover {
    filter: grayscale(0) brightness(1) !important;
    opacity: 1;
    transform: scale(1.1) translateY(-5px);
}

/* ==================== OPTIONAL POLISH COMPONENTS ==================== */
.proof-band {
    background: var(--surface-eco);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 1.4rem;
}

.proof-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 1rem;
}

.infra-network {
    background: var(--surface-infra-dark);
    border: 1px solid var(--border-on-dark);
    border-radius: var(--radius-lg);
    padding: clamp(1.25rem, 2vw, 2rem);
    color: var(--text-on-dark);
    box-shadow: var(--shadow-elevated);
}

.infra-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
}

.section-anchor {
    scroll-margin-top: 6rem;
    position: relative;
}

.badge-premium {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.9rem;
    border-radius: var(--radius-pill);
    border: 1px solid var(--badge-gold-border);
    background: var(--badge-gold-bg);
    color: var(--gold);
    font-family: var(--ff-mono);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.section-comparison {
    background: linear-gradient(180deg, var(--surface-1) 0%, var(--surface-2) 100%);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: clamp(1.25rem, 2vw, 2.25rem);
    box-shadow: var(--shadow-interactive);
}

@media (max-width: 1024px) {
    .trust-bar .hero-pedigree-logos {
        justify-content: center;
        flex-wrap: wrap;
        gap: 1.5rem 2rem;
    }
}

@media (max-width: 640px) {
    .trust-bar .hero-pedigree-logos {
        justify-content: space-around;
        flex-wrap: wrap;
        gap: 1.25rem 1rem;
    }

    .trust-bar .hero-pedigree-logo {
        max-height: 22px;
        flex: 0 1 auto;
    }
}

/* ==================== FORMS ==================== */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-heading);
    font-size: 0.9rem;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.875rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--surface-white);
    color: var(--text-heading);
    font-family: inherit;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.1);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

/* ==================== TABLES ==================== */
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.comparison-table th,
.comparison-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.comparison-table th {
    background: var(--surface-neutral);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
    color: var(--text-heading);
}

.comparison-table .check {
    color: var(--color-primary);
    font-weight: 700;
}

.comparison-table .cross {
    color: var(--signal-error);
}

.comparison-table .highlight-col {
    background: var(--surface-eco);
    border-left: 2px solid var(--color-primary);
    border-right: 2px solid var(--color-primary);
}

/* ==================== FOOTER ==================== */
.footer {
    background:
        radial-gradient(120% 120% at 10% 0%, rgba(34, 197, 94, 0.18) 0%, rgba(34, 197, 94, 0) 48%),
        linear-gradient(180deg, #0b1624 0%, #0f1d2f 100%);
    border-top: 1px solid var(--border-on-dark);
    color: var(--text-on-dark);
    padding: 4.5rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
    align-items: start;
}

.footer-brand-col {
    max-width: 34rem;
}

.footer-logo {
    margin-bottom: 1.2rem;
    color: var(--text-on-dark);
}

.footer-logo-img {
    width: 48px;
    height: 48px;
}

.footer .logo-text {
    color: var(--color-accent);
}

.footer .logo-text .highlight {
    color: var(--color-primary-signal);
    -webkit-text-fill-color: var(--color-primary-signal);
}

.footer-brand {
    color: var(--text-on-dark-body);
    font-size: 0.95rem;
    line-height: 1.75;
}

.footer-primary-cta {
    display: inline-flex;
    margin-top: 1rem;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    border: 1px solid rgba(34, 197, 94, 0.65);
    background: rgba(34, 197, 94, 0.14);
    color: var(--text-on-dark);
    border-radius: var(--radius-pill);
    padding: 0.65rem 1rem;
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 0.01em;
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.footer-primary-cta:hover {
    background: rgba(34, 197, 94, 0.22);
    border-color: rgba(34, 197, 94, 0.85);
    transform: translateY(-1px);
}

.footer-primary-cta:focus-visible {
    outline: 2px solid var(--color-primary-signal);
    outline-offset: 2px;
}

.footer-trust-line {
    margin-top: 1rem;
    color: var(--text-on-dark-label);
    font-size: 0.82rem;
    line-height: 1.6;
}

.footer-title {
    font-size: 0.98rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-on-dark);
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: var(--text-on-dark-body);
    text-decoration: none;
    font-size: 0.92rem;
    transition: color 0.2s ease, opacity 0.2s ease;
}

.footer-links a:hover {
    color: var(--text-on-dark);
    opacity: 1;
}

.footer-links a:focus-visible,
.footer-legal a:focus-visible {
    outline: 2px solid var(--color-primary-signal);
    outline-offset: 2px;
    border-radius: 4px;
}

.footer-contact-list {
    list-style: none;
    margin: 0;
    padding: 0;
    color: var(--text-on-dark-body);
    line-height: 1.8;
    font-size: 0.92rem;
}

.footer-contact-label {
    color: var(--text-on-dark);
    font-weight: 700;
}

.footer-contact-list a {
    color: var(--text-on-dark);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-on-dark);
    color: var(--text-on-dark-label);
    font-size: 0.875rem;
}

.footer-copyright {
    margin: 0;
}

.footer-legal {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.footer-legal a {
    color: var(--text-on-dark-body);
    text-decoration: none;
}

.footer-legal a:hover {
    color: var(--text-on-dark);
}

.action-bubbles .bubble {
    border: 1px solid rgba(34, 197, 94, 0.65);
    background: rgba(12, 24, 38, 0.96);
    box-shadow: var(--shadow-interactive);
    color: var(--text-on-dark);
}

.action-bubbles .bubble svg {
    width: 22px;
    height: 22px;
    fill: currentColor;
}

.action-bubbles .bubble:hover {
    background: rgba(34, 197, 94, 0.18);
}

.action-bubbles .bubble:focus-visible {
    outline: 2px solid var(--color-primary-signal);
    outline-offset: 3px;
}

/* ==================== KPI CARDS ==================== */
.kpi-card {
    background: var(--card-bg);
    border: var(--card-border);
    border-radius: var(--card-radius);
    padding: var(--card-pad);
    transition: box-shadow 0.3s ease,
        border-color 0.3s ease;
    position: relative;
    overflow: hidden;
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--color-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.kpi-card:hover::before {
    transform: scaleX(1);
}

.kpi-card:hover {
    border-color: var(--card-border-hover);
    box-shadow: var(--card-shadow-hover);
}

.kpi-category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-pill);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 1rem;
}

.kpi-category.kpi-carbon {
    background: var(--badge-success-bg);
    color: var(--color-primary);
}

.kpi-category.kpi-waste {
    background: var(--badge-info-bg);
    color: var(--signal-info);
}

.kpi-category.kpi-operational {
    background: var(--badge-warning-bg);
    color: var(--signal-warning);
}

.kpi-value {
    font-size: 2.5rem;
    font-weight: 800;
    font-family: var(--ff-head);
    color: var(--color-primary);
    margin-bottom: 0.5rem;
    line-height: 1;
}

/* ==================== SCROLL REVEAL ==================== */
.reveal {
    opacity: 0;
    transform: translateY(22px);
}

.reveal.in {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.65s ease, transform 0.65s ease;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2.25rem;
    }
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
    }

    .footer-legal {
        gap: 0.85rem;
        flex-wrap: wrap;
    }

    .trust-items {
        flex-direction: column;
        gap: 2rem;
    }

    .trust-item img {
        height: 50px;
    }

    .kpi-value {
        font-size: 2rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }
}