/* ============================================================
   Strift Tool Pages — Shared Styles
   ============================================================ */

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --accent: #A6D04F;
    --accent-dark: #8FCB3C;
    --bg: #0F1419;
    --bg-card: #1A2028;
    --bg-section: #252836;
    --border: #2E353D;
    --text: #FFFFFF;
    --text-muted: #C7CDD3;
    --text-subtle: #8B95A1;
}

body {
    font-family: 'Urbanist', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
}

/* ---- Navbar ---- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 20, 25, 0.95);
    backdrop-filter: blur(10px);
    padding: 16px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--border);
}

.logo-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.logo-img {
    width: 65px;
    height: 40px;
    object-fit: contain;
}

.nav-back {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: color 0.2s ease;
}

.nav-back:hover { color: var(--accent-dark); }

/* ---- Tool page layout ---- */
.tool-page {
    padding-top: 80px;
    max-width: 1100px;
    margin: 0 auto;
    padding-bottom: 60px;
}

/* ---- Tool hero ---- */
.tool-hero {
    padding: 48px 20px 36px;
    text-align: center;
}

.breadcrumb {
    font-size: 0.85rem;
    color: var(--text-subtle);
    margin-bottom: 16px;
}

.breadcrumb a {
    color: var(--accent);
    text-decoration: none;
}

.breadcrumb a:hover { text-decoration: underline; }

.tool-icon-large {
    font-size: 3rem;
    margin-bottom: 12px;
}

.tool-hero h1 {
    font-size: 2.6rem;
    font-weight: 800;
    margin-bottom: 10px;
}

.tool-hero p {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 480px;
    margin: 0 auto;
}

/* ---- Two-column container ---- */
.tool-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    padding: 0 20px 36px;
}

/* ---- Calculator card ---- */
.calculator-card,
.info-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 32px 28px;
}

.calculator-card h2,
.info-card h2 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 24px;
}

/* ---- Form elements ---- */
.form-group {
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 12px;
    align-items: end;
}

.form-row .form-group {
    margin-bottom: 0;
}

label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
}

input[type="number"],
input[type="text"],
select {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 14px 16px;
    color: var(--text);
    font-family: 'Urbanist', sans-serif;
    font-size: 1rem;
    width: 100%;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    appearance: none;
    -webkit-appearance: none;
}

input[type="number"]:focus,
input[type="text"]:focus,
select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(166, 208, 79, 0.15);
}

select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238B95A1' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 40px;
    cursor: pointer;
}

select option {
    background: var(--bg-card);
}

/* ---- Unit toggle ---- */
.unit-toggle {
    display: flex;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 20px;
}

.unit-btn {
    flex: 1;
    padding: 12px;
    border: none;
    background: transparent;
    color: var(--text-subtle);
    font-family: 'Urbanist', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease;
}

.unit-btn.active {
    background: var(--accent);
    color: #0F1419;
}

/* ---- Calc button ---- */
.calc-btn {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: #0F1419;
    border: none;
    border-radius: 14px;
    font-family: 'Urbanist', sans-serif;
    font-size: 1.05rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    margin-top: 4px;
}

.calc-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(166, 208, 79, 0.35);
}

.calc-btn:active { transform: translateY(0); }

/* ---- Results ---- */
.results {
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.results h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-muted);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.8rem;
}

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

.result-item {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 18px 16px;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.result-value {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
}

.result-label {
    font-size: 0.8rem;
    color: var(--text-subtle);
    font-weight: 500;
}

/* ---- Info card ---- */
.info-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 16px;
    line-height: 1.7;
}

.info-card ul {
    margin-left: 20px;
    margin-bottom: 20px;
}

.info-card ul li {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 10px;
    line-height: 1.6;
}

.info-card ul li strong { color: var(--text); }

/* ---- Quick reference table ---- */
.quick-ref {
    margin-top: 20px;
}

.quick-ref h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 12px;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

thead tr {
    border-bottom: 1px solid var(--border);
}

th {
    text-align: left;
    padding: 8px 12px;
    color: var(--text-subtle);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

td {
    padding: 10px 12px;
    color: var(--text-muted);
    border-bottom: 1px solid rgba(46, 53, 61, 0.5);
}

tbody tr:last-child td { border-bottom: none; }

tbody tr:hover td { background: rgba(166, 208, 79, 0.04); }

/* ---- Result highlight ---- */
.result-highlight {
    background: rgba(166, 208, 79, 0.1);
    border: 1px solid rgba(166, 208, 79, 0.3);
    border-radius: 14px;
    padding: 20px;
    text-align: center;
    margin-top: 20px;
}

.result-highlight .big-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent);
}

.result-highlight .big-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ---- BMI gauge ---- */
.bmi-gauge {
    margin-top: 20px;
}

.bmi-bar {
    height: 12px;
    border-radius: 50px;
    background: linear-gradient(to right, #4FC3F7, #81C784, #FFD54F, #FF8A65, #EF5350);
    position: relative;
    margin-bottom: 8px;
}

.bmi-pointer {
    width: 14px;
    height: 14px;
    background: #FFFFFF;
    border: 2px solid #0F1419;
    border-radius: 50%;
    position: absolute;
    top: -1px;
    transform: translateX(-50%);
    transition: left 0.5s ease;
    box-shadow: 0 2px 6px rgba(0,0,0,0.4);
}

.bmi-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.7rem;
    color: var(--text-subtle);
}

.bmi-category {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.9rem;
    margin-top: 12px;
}

/* ---- Page hero (tools index) ---- */
.page-hero {
    padding: 120px 20px 60px;
    text-align: center;
    background: linear-gradient(180deg, #131920 0%, var(--bg) 100%);
}

.page-hero .badge {
    display: inline-block;
    background: rgba(166, 208, 79, 0.15);
    color: var(--accent);
    border: 1px solid rgba(166, 208, 79, 0.3);
    border-radius: 50px;
    padding: 6px 18px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.page-hero h1 {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 16px;
}

.page-hero h1 span {
    color: var(--accent);
}

.page-hero p {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 580px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ---- Tools grid (tools index) ---- */
.tools-section {
    padding: 20px 20px 80px;
    max-width: 1100px;
    margin: 0 auto;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

.tool-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 32px 28px;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
    transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.tool-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

.tool-icon {
    width: 52px;
    height: 52px;
    background: rgba(166, 208, 79, 0.12);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
}

.tool-card h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text);
}

.tool-card p {
    font-size: 0.95rem;
    color: var(--text-subtle);
    line-height: 1.6;
    flex: 1;
}

.tool-cta {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--accent);
    font-weight: 600;
    font-size: 0.9rem;
    margin-top: 4px;
}

.tool-cta svg {
    transition: transform 0.2s ease;
}

.tool-card:hover .tool-cta svg {
    transform: translateX(4px);
}

/* ---- CTA banner (tools index) ---- */
.cta-banner {
    background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-section) 100%);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 48px 40px;
    text-align: center;
    max-width: 1100px;
    margin: 0 auto 80px;
}

.cta-banner h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.cta-banner h2 span { color: var(--accent); }

.cta-banner p {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin-bottom: 28px;
    line-height: 1.6;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-buttons a {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all 0.25s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: var(--bg);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(166, 208, 79, 0.35);
}

/* Download buttons (store badges) — matches main landing */
.download-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.download-buttons .store-button-img {
    display: inline-block;
    transition: transform 0.3s ease;
}

.download-buttons .store-button-img:hover {
    transform: translateY(-3px);
}

.download-buttons .store-badge {
    height: 50px;
    width: auto;
    display: block;
}

/* ---- Footer (tools index) ---- */
footer {
    background: var(--bg);
    border-top: 1px solid var(--border);
    padding: 32px 20px;
}

footer p {
    color: var(--text-subtle);
    font-size: 0.9rem;
}

/* ---- SEO content ---- */
.seo-content {
    padding: 0 20px 20px;
}

.seo-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 14px;
}

.seo-content p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 12px;
    line-height: 1.75;
}

.seo-content a {
    color: var(--accent);
    text-decoration: none;
}

.seo-content a:hover { text-decoration: underline; }

/* ---- Tool footer ---- */
.tool-footer {
    background: var(--bg);
    border-top: 1px solid var(--border);
    padding: 28px 20px;
}

.footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.tool-footer p {
    color: var(--text-subtle);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-subtle);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

.footer-links a:hover { color: var(--accent); }

/* ---- Responsive ---- */
@media (max-width: 860px) {
    .tool-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .navbar { padding: 14px 20px; }

    .page-hero { padding: 100px 20px 48px; }
    .page-hero h1 { font-size: 2rem; }

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

    .cta-banner {
        padding: 36px 24px;
        margin: 0 20px 60px;
    }

    .cta-banner h2 { font-size: 1.5rem; }

    .tool-hero { padding: 36px 20px 24px; }
    .tool-hero h1 { font-size: 2rem; }

    .calculator-card,
    .info-card {
        padding: 24px 20px;
    }

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

    .footer-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 400px) {
    .results-grid { grid-template-columns: 1fr; }
}