/* ============================================================
   Raw Dog Food Calculator — Page-specific styles
   (global.css provides the base)
   ============================================================ */

/* ===== HERO ===== */
.hero {
    padding: 140px 0 80px;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--clr-accent-glow) 0%, transparent 70%);
    pointer-events: none;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--clr-accent);
    margin-bottom: 16px;
}

.hero h1 {
    font-size: clamp(2.4rem, 5vw, 3.8rem);
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--clr-text) 40%, var(--clr-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-sub {
    font-size: 1.1rem;
    color: var(--clr-text-muted);
    line-height: 1.7;
    margin-bottom: 32px;
    max-width: 520px;
}

/* hero card */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-card {
    position: relative;
    width: 260px;
    height: 260px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.hero-card-ring {
    position: absolute;
    border-radius: 50%;
    border: 2px solid var(--clr-border);
}
.ring-1 {
    width: 260px; height: 260px;
    border-color: #e8594d;
    opacity: 0.3;
    animation: cfl-pulse 3s ease-in-out infinite;
}
.ring-2 {
    width: 200px; height: 200px;
    border-color: #5ba8e8;
    opacity: 0.3;
    animation: cfl-pulse 3s ease-in-out 0.5s infinite;
}
.ring-3 {
    width: 140px; height: 140px;
    border-color: #9c6fe0;
    opacity: 0.3;
    animation: cfl-pulse 3s ease-in-out 1s infinite;
}

.hero-card-icon {
    font-size: 3.5rem;
    z-index: 1;
    animation: cfl-float 4s ease-in-out infinite;
}
.hero-card-label {
    font-weight: 700;
    font-size: 1rem;
    color: var(--clr-text-muted);
    z-index: 1;
}

/* ===== CALCULATOR ===== */
.calculator-section {
    padding: 80px 0 100px;
}

.calc-wrapper {
    max-width: 680px;
    margin: 0 auto;
}

/* input row */
.input-row {
    display: flex;
    gap: 12px;
    align-items: center;
}

/* unit toggle */
.unit-toggle {
    display: flex;
    background: var(--clr-bg-2);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    flex-shrink: 0;
}
.unit-btn {
    padding: 12px 18px;
    background: none;
    border: none;
    color: var(--clr-text-muted);
    font-family: var(--ff-body);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--dur) var(--ease);
}
.unit-btn.active {
    background: var(--clr-accent);
    color: var(--clr-bg);
}

/* radio cards */
.radio-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}
.radio-card input { display: none; }
.radio-card-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 16px 8px;
    background: var(--clr-bg-2);
    border: 2px solid var(--clr-border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--dur) var(--ease);
    text-align: center;
}
.radio-card input:checked + .radio-card-inner {
    border-color: var(--clr-accent);
    background: var(--clr-accent-glow);
}
.radio-card-inner:hover {
    border-color: var(--clr-border-light);
    background: var(--clr-surface-hover);
}
.radio-card-icon { font-size: 1.6rem; }
.radio-card-title { font-weight: 600; font-size: 0.9rem; }
.radio-card-desc { font-size: 0.75rem; color: var(--clr-text-dim); line-height: 1.3; }

/* ===== RESULTS ===== */
.calc-results {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    padding: 40px;
    animation: cfl-fadeInUp 0.5s var(--ease);
}
.calc-results.hidden { display: none; }

.results-header { margin-bottom: 28px; }
.results-header h3 {
    font-size: 1.6rem;
    margin-bottom: 6px;
}
.results-summary {
    color: var(--clr-text-muted);
    font-size: 0.95rem;
}

.results-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 28px;
}

.result-card {
    background: var(--clr-bg-2);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius);
    padding: 20px;
    position: relative;
    overflow: hidden;
}
.result-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 4px;
    height: 100%;
}

.result-total::before { background: var(--clr-accent); }
.result-meat::before  { background: #e8594d; }
.result-bone::before  { background: #5ba8e8; }
.result-organ::before { background: #9c6fe0; }

.result-total {
    grid-column: 1 / -1;
    background: var(--clr-accent-glow);
    border-color: rgba(240,160,64,0.2);
}

.result-card-percent {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 4px;
}
.result-meat .result-card-percent  { color: #e8594d; }
.result-bone .result-card-percent  { color: #5ba8e8; }
.result-organ .result-card-percent { color: #9c6fe0; }

.result-card-label {
    font-size: 0.85rem;
    color: var(--clr-text-muted);
    font-weight: 500;
    margin-bottom: 6px;
}

.result-card-value {
    font-size: 2rem;
    font-weight: 800;
    font-family: var(--ff-body);
    color: var(--clr-text);
    line-height: 1;
}
.result-total .result-card-value { color: var(--clr-accent); font-size: 2.4rem; }

.result-card-unit {
    font-size: 0.8rem;
    color: var(--clr-text-dim);
    margin-top: 2px;
}

.result-card-sub {
    font-size: 0.8rem;
    color: var(--clr-text-dim);
    margin-top: 4px;
}

.result-card-info {
    font-size: 0.78rem;
    color: var(--clr-text-dim);
    margin-top: 8px;
    line-height: 1.4;
}

/* weekly table */
.weekly-view { margin-bottom: 28px; }
.weekly-view h4 {
    font-size: 1.1rem;
    margin-bottom: 12px;
}
.weekly-table-wrap { overflow-x: auto; }
.weekly-table {
    width: 100%;
    border-collapse: collapse;
}
.weekly-table th,
.weekly-table td {
    padding: 12px 16px;
    text-align: left;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--clr-border);
}
.weekly-table th {
    color: var(--clr-text-muted);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.results-note {
    background: var(--clr-bg-3);
    border-radius: var(--radius-sm);
    padding: 16px 20px;
    margin-bottom: 20px;
    border-left: 3px solid var(--clr-accent);
}
.results-note p {
    font-size: 0.88rem;
    color: var(--clr-text-muted);
    line-height: 1.6;
}

/* ===== INFO SECTION ===== */
.info-section {
    padding: 80px 0;
    background: var(--clr-bg-2);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.info-card {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.info-card:hover {
    transform: translateY(-4px);
    border-color: var(--clr-border-light);
}

.info-card-icon {
    font-size: 2.4rem;
    margin-bottom: 16px;
    display: block;
}

.info-card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
}
.info-card p {
    color: var(--clr-text-muted);
    font-size: 0.92rem;
    line-height: 1.7;
}

.info-note {
    max-width: 740px;
    margin: 0 auto;
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    padding: 32px 36px;
}
.info-note h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
}
.info-note p {
    color: var(--clr-text-muted);
    font-size: 0.92rem;
    line-height: 1.7;
    margin-bottom: 12px;
}
.info-note p:last-child { margin-bottom: 0; }

/* ===== GUIDE ===== */
.guide-section {
    padding: 80px 0;
}

.guide-table-wrap {
    overflow-x: auto;
    margin-bottom: 48px;
}

.guide-tips {
    max-width: 740px;
    margin: 0 auto;
}
.guide-tips h3 {
    font-size: 1.4rem;
    margin-bottom: 20px;
}
.guide-tips ol {
    padding-left: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.guide-tips li {
    color: var(--clr-text-muted);
    font-size: 0.92rem;
    line-height: 1.7;
}
.guide-tips li strong {
    color: var(--clr-text);
}

/* ===== FAQ ===== */
.faq-section {
    padding: 80px 0;
    background: var(--clr-bg-2);
}

/* ===== ABOUT ===== */
.about-section {
    padding: 80px 0;
}
.about-inner {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}
.about-inner h2 {
    font-size: 1.8rem;
    margin-bottom: 16px;
}
.about-inner p {
    color: var(--clr-text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 12px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    .hero-sub { margin: 0 auto 32px; }
    .hero-visual { order: -1; }
    .hero-card { width: 200px; height: 200px; }
    .ring-1 { width: 200px; height: 200px; }
    .ring-2 { width: 150px; height: 150px; }
    .ring-3 { width: 100px; height: 100px; }
    .hero-card-icon { font-size: 2.5rem; }

    .info-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .hero { padding: 120px 0 60px; }
    .hero h1 { font-size: 2rem; }

    .calc-form { padding: 24px; }
    .calc-results { padding: 24px; }

    .radio-cards { grid-template-columns: 1fr; }

    .results-grid { grid-template-columns: 1fr; }
    .result-total { grid-column: 1; }

    .result-card-value { font-size: 1.6rem; }
    .result-total .result-card-value { font-size: 2rem; }
}