/* ================================================
   ToMires SEO Pages — seo.css
   Design language: "دفتر گویا" (the spoken ledger)
   Palette: deep pine ink + saffron gold, on sage paper
   ================================================ */

:root {

    /* ---- Core palette ---- */
    --ink:          #12302A;
    --ink-2:        #1C4038;
    --ink-3:        #2A554A;
    --paper:        #F5F6F1;
    --surface:      #FFFFFF;
    --surface-2:    #ECEFE5;
    --surface-3:    #E0E6D6;
    --gold:         #D89B3C;
    --gold-deep:    #B87A1F;
    --gold-light:   #F6E4BC;

    --text-primary:      #15231D;
    --text-secondary:    #45564C;
    --text-muted:        #7E8D82;
    --text-on-ink:       #F5F6F1;
    --text-on-ink-muted: #A7BCB0;

    --border:     rgba(21, 35, 29, 0.12);
    --border-ink: rgba(245, 246, 241, 0.16);

    /* ---- Semantic aliases (kept for compatibility) ---- */
    --bg:            var(--paper);
    --primary:       var(--ink-2);
    --primary-dark:  var(--ink);
    --primary-light: #E7ECE2;
    --primary-mid:   #C6D2BC;
    --success-light: rgba(184, 122, 31, 0.12);
    --success-dark:  var(--gold-deep);

    /* ---- Type ---- */
    --font-family: 'Vazirmatn', 'Segoe UI', Tahoma, sans-serif;
    --font-family-display: 'Vazirmatn', 'Segoe UI', Tahoma, sans-serif;

    --font-size-xs:   0.75rem;
    --font-size-sm:   0.875rem;
    --font-size-base: 1rem;
    --font-size-lg:   1.15rem;
    --font-size-xl:   1.4rem;
    --font-size-2xl:  1.9rem;

    /* ---- Space ---- */
    --space-1: 4px;   --space-2: 8px;   --space-3: 12px;  --space-4: 16px;
    --space-5: 20px;  --space-6: 24px;  --space-8: 32px;  --space-10: 40px;
    --space-12: 48px; --space-16: 64px; --space-20: 80px;

    /* ---- Shape / motion ---- */
    --radius-sm: 8px; --radius-md: 12px; --radius-lg: 18px; --radius-xl: 26px; --radius-full: 999px;
    --shadow-md: 0 8px 24px rgba(18, 48, 42, 0.10);
    --shadow-lg: 0 24px 56px rgba(18, 48, 42, 0.18);
    --transition-fast: 0.2s ease;

}

::selection {
    background: var(--gold-light);
    color: var(--ink);
}

.seo-body {
    background: var(--bg);
    color: var(--text-primary);
    font-family: var(--font-family);
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
}

.seo-body :focus-visible {
    outline: 2px solid var(--gold-deep);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* ===== Navigation ===== */

.seo-nav {
    background: rgba(245, 246, 241, 0.82);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.seo-nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-4) var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
    position: relative;
}

.seo-nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    text-decoration: none;
    flex-shrink: 0;
}

.seo-nav-logo {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-sm);
}

.seo-nav-title {
    font-size: var(--font-size-lg);
    font-weight: 800;
    color: var(--ink);
    letter-spacing: -0.01em;
}

.seo-nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.seo-nav-link {
    position: relative;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-secondary);
    text-decoration: none;
    padding: var(--space-1) 0;
    transition: color var(--transition-fast);
}

.seo-nav-link::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: -2px;
    width: 100%;
    height: 2px;
    background: var(--gold-deep);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-fast);
}

.seo-nav-link:hover {
    color: var(--ink);
}

.seo-nav-link:hover::after {
    transform: scaleX(1);
}

.seo-nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-shrink: 0;
}

.seo-btn-ghost {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-secondary);
    text-decoration: none;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.seo-btn-ghost:hover {
    color: var(--ink);
    background: var(--primary-light);
}

.seo-btn-primary {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--text-on-ink);
    background: var(--ink-2);
    text-decoration: none;
    padding: var(--space-2) var(--space-5);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    display: inline-block;
}

.seo-btn-primary:hover {
    background: var(--ink);
    transform: translateY(-1px);
}

/* ---- Mobile nav toggle ---- */

.seo-nav-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface);
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
}

.seo-nav-toggle span,
.seo-nav-toggle span::before,
.seo-nav-toggle span::after {
    content: "";
    display: block;
    width: 18px;
    height: 2px;
    background: var(--ink);
    position: relative;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.seo-nav-toggle span::before { position: absolute; top: -6px; }
.seo-nav-toggle span::after { position: absolute; top: 6px; }

.seo-nav.is-open .seo-nav-toggle span { background: transparent; }
.seo-nav.is-open .seo-nav-toggle span::before { transform: translateY(6px) rotate(45deg); }
.seo-nav.is-open .seo-nav-toggle span::after { transform: translateY(-6px) rotate(-45deg); }

.seo-nav-mobile {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    padding: var(--space-4) var(--space-6) var(--space-6);
    flex-direction: column;
    gap: var(--space-1);
}

.seo-nav.is-open .seo-nav-mobile { display: flex; }

.seo-nav-mobile a {
    padding: var(--space-3) var(--space-2);
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
    border-bottom: 1px solid var(--border);
}

.seo-nav-mobile a:last-child { border-bottom: none; }

.seo-nav-mobile-actions {
    display: flex;
    gap: var(--space-3);
    margin-top: var(--space-4);
}

.seo-nav-mobile-actions a { flex: 1; text-align: center; border-bottom: none; }

/* ===== Footer ===== */

.seo-footer {
    background: radial-gradient(760px 420px at 80% -10%, rgba(216, 155, 60, 0.20), transparent 60%), radial-gradient(600px 400px at 10% 110%, rgba(216, 155, 60, 0.10), transparent 60%), linear-gradient(180deg, #1a1776 0%, #4c4b63 100%);
    color: var(--text-on-ink-muted);
    margin-top: var(--space-20);
    padding: var(--space-12) 0 0;
}

.seo-footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: var(--space-12);
    padding-bottom: var(--space-10);
}

.seo-footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.seo-footer-brand span {
    font-size: var(--font-size-lg);
    font-weight: 800;
    color: var(--text-on-ink);
}

.seo-footer-brand p {
    font-size: var(--font-size-sm);
    color: var(--text-on-ink-muted);
    line-height: 1.6;
}

.seo-footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.seo-footer-col {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.seo-footer-col h4 {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--text-on-ink);
    margin-bottom: var(--space-2);
    letter-spacing: 0.01em;
}

.seo-footer-col a {
    font-size: var(--font-size-sm);
    color: var(--text-on-ink-muted);
    text-decoration: none;
    transition: var(--transition-fast);
}

.seo-footer-col a:hover {
    color: var(--gold);
}

.seo-footer-bottom {
    border-top: 1px solid var(--border-ink);
    padding: var(--space-5) var(--space-6);
    text-align: center;
}

.seo-footer-bottom p {
    font-size: var(--font-size-xs);
    color: var(--text-on-ink-muted);
}

/* ===== Page Container ===== */

.seo-page {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-12) var(--space-6);
}

.seo-page-narrow {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--space-12) var(--space-6);
}

/* ===== Hero ===== */

.seo-hero {
    position: relative;
    text-align: center;
    padding: var(--space-20) var(--space-6) calc(var(--space-20) + var(--space-6));
    background: radial-gradient(760px 420px at 80% -10%, rgba(216, 155, 60, 0.20), transparent 60%), radial-gradient(600px 400px at 10% 110%, rgba(216, 155, 60, 0.10), transparent 60%), linear-gradient(180deg, #1a1776 0%, #4c4b63 100%);
    color: var(--text-on-ink);
    overflow: hidden;
}

.seo-hero-inner {
    max-width: 820px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.seo-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: rgba(216, 155, 60, 0.12);
    color: var(--gold);
    border: 1px solid rgba(216, 155, 60, 0.35);
    border-radius: var(--radius-full);
    padding: var(--space-1) var(--space-4);
    font-size: var(--font-size-xs);
    font-weight: 700;
    letter-spacing: 0.02em;
    margin-bottom: var(--space-6);
}

.seo-hero-title {
    font-size: clamp(2.1rem, 5vw, 3.6rem);
    font-weight: 900;
    color: var(--text-on-ink);
    line-height: 1.25;
    margin-bottom: var(--space-5);
    letter-spacing: -0.01em;
}

.seo-hero-title span {
    color: var(--gold);
}

.seo-hero-desc {
    font-size: var(--font-size-lg);
    color: var(--text-on-ink-muted);
    line-height: 1.7;
    margin-bottom: var(--space-8);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.seo-hero-actions {
    display: flex;
    gap: var(--space-3);
    justify-content: center;
    flex-wrap: wrap;
}

.seo-cta-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: var(--gold);
    color: var(--ink);
    padding: var(--space-3) var(--space-8);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 800;
    text-decoration: none;
    transition: var(--transition-fast);
    box-shadow: 0 10px 24px rgba(216, 155, 60, 0.25);
}

.seo-cta-primary:hover {
    background: #E7AC52;
    transform: translateY(-2px);
    box-shadow: 0 14px 30px rgba(216, 155, 60, 0.32);
}

.seo-cta-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: transparent;
    color: var(--text-on-ink);
    border: 1.5px solid var(--border-ink);
    padding: var(--space-3) var(--space-8);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition-fast);
}

.seo-cta-secondary:hover {
    border-color: var(--gold);
    color: var(--gold);
}

/* ===== Features Grid ===== */

.seo-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
    margin: var(--space-12) 0;
}

.seo-feature-card {
    background: #e5e5f0;
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    transition: var(--transition-fast);
    display: block;
    text-decoration: none;
}

.seo-feature-card:hover {
    border-color: var(--gold-light);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.seo-feature-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--ink-2);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-4);
}

.seo-feature-icon svg {
    width: 22px;
    height: 22px;
    stroke: var(--gold);
    fill: none;
}

.seo-feature-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.seo-feature-desc {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== Section ===== */

.seo-section {
    margin: var(--space-16) 0;
}

.seo-eyebrow {
    display: block;
    text-align: center;
    font-size: var(--font-size-xs);
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--gold-deep);
    margin-bottom: var(--space-2);
}

.seo-section-title {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--text-on-ink);
    margin-bottom: var(--space-3);
    text-align: center;
}

.seo-section-sub {
    font-size: var(--font-size-base);
    color: var(--text-on-ink-muted);
    text-align: center;
    margin-bottom: var(--space-8);
    line-height: 1.7;
}

/* ===== FAQ ===== */

.seo-faq {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    max-width: 800px;
    margin: 0 auto;
}

.seo-faq-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color var(--transition-fast);
}

.seo-faq-item.open {
    border-color: var(--gold-light);
}

.seo-faq-q {
    width: 100%;
    padding: var(--space-4) var(--space-5);
    background: none;
    border: none;
    text-align: right;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-fast);
    gap: var(--space-4);
}

.seo-faq-q:hover {
    color: var(--gold-deep);
}

.seo-faq-icon {
    font-size: var(--font-size-lg);
    color: var(--gold-deep);
    transition: transform 0.2s ease;
    flex-shrink: 0;
}

.seo-faq-item.open .seo-faq-icon {
    transform: rotate(45deg);
}

.seo-faq-a {
    display: none;
    padding: 0 var(--space-5) var(--space-4);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.8;
    border-top: 1px solid var(--border);
    padding-top: var(--space-4);
}

.seo-faq-a a { color: var(--gold-deep); }

.seo-faq-item.open .seo-faq-a {
    display: block;
}

/* ===== Home Demo / Signature: voice → ledger ===== */

.home-demo-box {
    margin: var(--space-10) auto 0;
    max-width: 560px;
    background: rgba(28, 64, 56, 0.55);
    border: 1px solid var(--border-ink);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
    text-align: right;
    backdrop-filter: blur(6px);
}

.home-demo-row {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    background: rgba(245, 246, 241, 0.06);
    border-radius: var(--radius-md);
    padding: var(--space-3) var(--space-4);
    margin-bottom: var(--space-4);
}

.home-demo-mic {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-full);
    background: var(--gold);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.home-demo-mic svg {
    width: 16px;
    height: 16px;
    stroke: var(--ink);
    fill: none;
}

.home-demo-text {
    font-size: var(--font-size-sm);
    color: var(--text-on-ink-muted);
}

/* waveform */
.home-demo-wave {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3px;
    height: 28px;
    margin-bottom: var(--space-3);
}

.home-demo-wave span {
    display: block;
    width: 3px;
    border-radius: var(--radius-full);
    background: var(--gold);
    opacity: 0.85;
    animation: wave-pulse 1.1s ease-in-out infinite;
}

.home-demo-wave span:nth-child(1) { height: 6px; animation-delay: 0s; }
.home-demo-wave span:nth-child(2) { height: 14px; animation-delay: 0.1s; }
.home-demo-wave span:nth-child(3) { height: 22px; animation-delay: 0.2s; }
.home-demo-wave span:nth-child(4) { height: 10px; animation-delay: 0.3s; }
.home-demo-wave span:nth-child(5) { height: 26px; animation-delay: 0.4s; }
.home-demo-wave span:nth-child(6) { height: 16px; animation-delay: 0.5s; }
.home-demo-wave span:nth-child(7) { height: 22px; animation-delay: 0.6s; }
.home-demo-wave span:nth-child(8) { height: 8px; animation-delay: 0.7s; }
.home-demo-wave span:nth-child(9) { height: 18px; animation-delay: 0.8s; }
.home-demo-wave span:nth-child(10) { height: 12px; animation-delay: 0.9s; }

@keyframes wave-pulse {
    0%, 100% { transform: scaleY(0.5); opacity: 0.55; }
    50% { transform: scaleY(1); opacity: 1; }
}

.home-demo-arrow {
    text-align: center;
    color: var(--gold);
    margin-bottom: var(--space-3);
    opacity: 0.7;
}

.home-demo-arrow svg { width: 18px; height: 18px; }

.home-demo-result {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.home-demo-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-2) var(--space-3);
    background: rgba(216, 155, 60, 0.08);
    border-radius: var(--radius-md);
    border: 1px solid rgba(216, 155, 60, 0.25);
    animation: row-in 0.5s ease both;
}

.home-demo-item:nth-child(2) { animation-delay: 0.15s; }

@keyframes row-in {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

.home-demo-cat {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-on-ink);
}

.home-demo-amount {
    font-size: var(--font-size-sm);
    font-weight: 800;
    color: var(--gold);
    font-variant-numeric: tabular-nums;
}

/* ===== How it works — coin steps ===== */

.home-steps {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: var(--space-4);
    flex-wrap: wrap;
    margin-top: var(--space-8);
}

.home-step {
    text-align: center;
    max-width: 220px;
}

.home-step-num {
    width: 52px;
    height: 52px;
    background: linear-gradient(160deg, var(--gold) 0%, var(--gold-deep) 100%);
    color: var(--ink);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
    font-weight: 800;
    margin: 0 auto var(--space-3);
    box-shadow: 0 8px 18px rgba(184, 122, 31, 0.30);
}

.home-step-title {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-1);
}

.home-step-desc {
    font-size: var(--font-size-sm);
    color: var(--text-on-ink-muted);
    line-height: 1.6;
}

.home-step-arrow {
    color: var(--border);
    margin-top: 18px;
    flex-shrink: 0;
}

.home-step-arrow svg { width: 22px; height: 22px; }

/* ===== Final CTA band ===== */

.home-cta-band {
    position: relative;
    text-align: center;
    padding: var(--space-16) var(--space-6);
    background: radial-gradient(760px 420px at 80% -10%, rgba(216, 155, 60, 0.20), transparent 60%), radial-gradient(600px 400px at 10% 110%, rgba(216, 155, 60, 0.10), transparent 60%), linear-gradient(180deg, #1a1776 0%, #4c4b63 100%);
    overflow: hidden;
}

.home-cta-title {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--text-on-ink);
    margin-bottom: var(--space-3);
    position: relative;
}

.home-cta-sub {
    color: var(--text-on-ink-muted);
    margin-bottom: var(--space-6);
    position: relative;
}

/* ===== Responsive ===== */

@media (max-width: 768px) {

    .seo-nav-links {
        display: none;
    }

    .seo-nav-actions {
        display: none;
    }

    .seo-nav-toggle {
        display: flex;
    }

    .seo-footer-inner {
        grid-template-columns: 1fr;
    }

    .seo-footer-links {
        grid-template-columns: repeat(2, 1fr);
    }

    .seo-hero-title {
        font-size: 2rem;
    }

    .home-steps {
        flex-direction: column;
        align-items: center;
    }

    .home-step-arrow {
        transform: rotate(90deg);
        margin-top: 0;
        margin-bottom: var(--space-2);
    }
}

@media (prefers-reduced-motion: reduce) {
    .home-demo-wave span,
    .home-demo-item,
    .seo-feature-card,
    .seo-cta-primary {
        animation: none !important;
        transition: none !important;
    }
}