:root {
    --bg: #f5f7fa;
    --bg-elevated: #ffffff;
    --bg-soft: #eef2f6;
    --ink: #152033;
    --ink-muted: #5f6f84;
    --primary: #1e4d6b;
    --primary-deep: #163a52;
    --primary-soft: rgba(30, 77, 107, 0.1);
    --accent: #a8893a;
    --accent-soft: rgba(168, 137, 58, 0.12);
    --line: rgba(21, 32, 51, 0.09);
    --shadow: 0 16px 40px rgba(21, 32, 51, 0.06);
    --radius: 16px;
    --font: "Vazirmatn", Tahoma, sans-serif;
    --header-h: 78px;
    --max: 1120px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--ink);
    line-height: 1.75;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
}

ul,
ol {
    list-style: none;
}

/* ——— Header ——— */
.site-header {
    position: fixed;
    inset-inline: 0;
    top: 0;
    z-index: 100;
    height: var(--header-h);
    background: rgba(245, 247, 250, 0.78);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid transparent;
    transition: background 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.site-header.is-scrolled {
    background: rgba(255, 255, 255, 0.94);
    border-bottom-color: var(--line);
    box-shadow: 0 8px 28px rgba(21, 32, 51, 0.04);
}

.header-inner {
    max-width: calc(var(--max) + 4rem);
    margin: 0 auto;
    padding: 0 1.25rem;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    min-width: 0;
    z-index: 2;
}

.brand-mark {
    width: 40px;
    height: 40px;
    color: var(--primary);
    flex-shrink: 0;
    display: grid;
    place-items: center;
    background: var(--bg-elevated);
    border: 1px solid var(--line);
    border-radius: 12px;
}

.brand-mark svg {
    width: 22px;
    height: 22px;
}

.brand-text {
    display: flex;
    flex-direction: column;
    gap: 0.05rem;
    min-width: 0;
}

.brand-name {
    font-weight: 800;
    font-size: 0.98rem;
    letter-spacing: -0.02em;
    color: var(--ink);
    white-space: nowrap;
}

.brand-tag {
    font-size: 0.72rem;
    color: var(--ink-muted);
    font-weight: 500;
    white-space: nowrap;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 0.1rem;
}

.nav-link {
    padding: 0.5rem 0.7rem;
    border-radius: 999px;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--ink-muted);
    transition: color 0.2s, background 0.2s;
}

.nav-link:hover {
    color: var(--ink);
    background: var(--primary-soft);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-inline-start: 0.65rem;
    padding-inline-start: 0.65rem;
    border-inline-start: 1px solid var(--line);
}

.nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--bg-elevated);
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 2;
}

.nav-toggle span {
    display: block;
    width: 16px;
    height: 2px;
    border-radius: 2px;
    background: var(--ink);
    transition: transform 0.25s, opacity 0.25s;
}

.nav-toggle.is-open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-open span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.is-open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ——— Buttons ——— */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 1.45rem;
    border-radius: 999px;
    font-family: var(--font);
    font-weight: 700;
    font-size: 0.92rem;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s, background 0.2s, border-color 0.2s;
    white-space: nowrap;
}

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

.btn-sm {
    padding: 0.55rem 1rem;
    font-size: 0.84rem;
}

.btn-primary {
    background: linear-gradient(135deg, #2a6285 0%, var(--primary) 55%, var(--primary-deep) 100%);
    color: #fff;
    box-shadow: 0 10px 26px rgba(30, 77, 107, 0.22);
}

.btn-primary:hover {
    box-shadow: 0 14px 32px rgba(30, 77, 107, 0.3);
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.75);
    border-color: rgba(21, 32, 51, 0.12);
    color: var(--ink);
}

.btn-ghost:hover {
    border-color: rgba(30, 77, 107, 0.35);
    background: #fff;
}

/* ——— Hero ——— */
.hero {
    position: relative;
    min-height: 100vh;
    min-height: 100dvh;
    padding: calc(var(--header-h) + 2.5rem) 1.25rem 3.5rem;
    overflow: hidden;
    display: flex;
    align-items: center;
    background:
        radial-gradient(ellipse 65% 50% at 90% 10%, rgba(30, 77, 107, 0.1), transparent 55%),
        radial-gradient(ellipse 45% 40% at 8% 90%, rgba(168, 137, 58, 0.08), transparent 50%),
        linear-gradient(180deg, #f8fafc 0%, #f5f7fa 60%, #eef2f6 100%);
}

.hero-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0.9;
    z-index: 1;
}

.hero-glow {
    position: absolute;
    width: min(460px, 65vw);
    height: min(460px, 65vw);
    border-radius: 50%;
    background: radial-gradient(circle, rgba(30, 77, 107, 0.08), transparent 70%);
    top: 14%;
    left: 8%;
    filter: blur(8px);
    animation: glow-drift 12s ease-in-out infinite alternate;
    pointer-events: none;
    z-index: 0;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(120, 145, 170, 0.09) 1px, transparent 1px),
        linear-gradient(90deg, rgba(120, 145, 170, 0.09) 1px, transparent 1px);
    background-size: 56px 56px;
    opacity: 0.85;
    pointer-events: none;
    z-index: 0;
}

.hero-shell {
    position: relative;
    z-index: 2;
    width: min(var(--max), 100%);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 2.5rem;
    align-items: center;
}

.hero-brand {
    font-size: clamp(1.1rem, 2.2vw, 1.45rem);
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.hero-title {
    font-size: clamp(2rem, 4.4vw, 3.15rem);
    font-weight: 800;
    line-height: 1.28;
    letter-spacing: -0.035em;
    margin-bottom: 1.1rem;
    color: var(--ink);
}

.accent-line {
    display: block;
    color: var(--primary-deep);
}

.hero-lead {
    font-size: clamp(1rem, 1.6vw, 1.12rem);
    color: var(--ink-muted);
    max-width: 34rem;
    margin-bottom: 1.75rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.hero-visual {
    position: relative;
    min-height: 340px;
}

.hero-panel {
    position: relative;
    z-index: 2;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(21, 32, 51, 0.08);
    border-radius: 22px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
    overflow: hidden;
}

.panel-top {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--line);
    background: linear-gradient(90deg, #fff, #f4f7fa);
}

.panel-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #c9d4e0;
}

.panel-dot:nth-child(1) { background: #7aa0b8; }
.panel-dot:nth-child(2) { background: #1e4d6b; }
.panel-dot:nth-child(3) { background: #a8893a; }

.panel-label {
    margin-inline-start: auto;
    font-size: 0.78rem;
    color: var(--ink-muted);
    font-weight: 600;
}

.panel-body {
    padding: 1.15rem;
    display: grid;
    gap: 0.75rem;
}

.panel-metric {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 1rem;
    border-radius: 14px;
    background: var(--bg-soft);
}

.panel-metric span {
    font-size: 0.86rem;
    color: var(--ink-muted);
}

.panel-metric strong {
    font-size: 1.05rem;
    font-weight: 800;
}

.panel-metric.accent {
    background: linear-gradient(120deg, rgba(30, 77, 107, 0.08), rgba(255, 255, 255, 0.95));
    border: 1px solid rgba(30, 77, 107, 0.14);
}

.panel-bars {
    display: flex;
    align-items: flex-end;
    gap: 0.45rem;
    height: 84px;
    padding: 0.5rem 0.25rem 0;
}

.panel-bars i {
    flex: 1;
    height: var(--h);
    border-radius: 8px 8px 4px 4px;
    background: linear-gradient(180deg, #5b8aa8, rgba(30, 77, 107, 0.35));
    animation: bar-rise 2.8s ease-in-out infinite alternate;
}

.panel-bars i:nth-child(even) {
    background: linear-gradient(180deg, #c4b07a, rgba(168, 137, 58, 0.28));
}

.panel-bars i:nth-child(2) { animation-delay: 0.15s; }
.panel-bars i:nth-child(3) { animation-delay: 0.3s; }
.panel-bars i:nth-child(4) { animation-delay: 0.45s; }
.panel-bars i:nth-child(5) { animation-delay: 0.6s; }
.panel-bars i:nth-child(6) { animation-delay: 0.75s; }

.orbit-badge {
    position: absolute;
    width: 120px;
    height: 120px;
    left: -18px;
    bottom: -10px;
    z-index: 1;
}

.orbit-core {
    position: absolute;
    inset: 34%;
    border-radius: 50%;
    background: linear-gradient(145deg, #6f9db8, var(--primary) 60%, var(--primary-deep));
    box-shadow: 0 0 28px rgba(30, 77, 107, 0.28);
    animation: core-breathe 3.2s ease-in-out infinite;
}

.orbit-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 1px dashed rgba(30, 77, 107, 0.35);
    animation: spin 16s linear infinite;
}

.orbit-ring.delay {
    inset: 14%;
    border-style: solid;
    border-color: rgba(30, 77, 107, 0.18);
    animation-duration: 22s;
    animation-direction: reverse;
}

/* ——— Sections ——— */
.section {
    padding: 5rem 1.25rem;
}

.section-alt {
    background: var(--bg-elevated);
    border-block: 1px solid var(--line);
}

.section-inner {
    max-width: var(--max);
    margin: 0 auto;
}

.eyebrow {
    display: inline-block;
    margin-bottom: 0.75rem;
    padding: 0.3rem 0.75rem;
    border-radius: 999px;
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 0.8rem;
    font-weight: 700;
}

.section h2 {
    font-size: clamp(1.55rem, 3vw, 2.15rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.35;
    margin-bottom: 0.85rem;
}

.section-lead {
    color: var(--ink-muted);
    font-size: 1.05rem;
    max-width: 42rem;
    margin-bottom: 2rem;
}

.section-lead.align-start {
    margin-inline: 0;
}

/* Stats */
.stats-strip {
    padding: 0 1.25rem;
    margin-top: -1.5rem;
    position: relative;
    z-index: 3;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.85rem;
    padding: 1.1rem;
    background: var(--bg-elevated);
    border: 1px solid var(--line);
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.stat {
    padding: 0.85rem 0.75rem;
    text-align: center;
}

.stat strong {
    display: block;
    font-size: 1.05rem;
    font-weight: 800;
    margin-bottom: 0.25rem;
    color: var(--primary);
}

.stat span {
    font-size: 0.84rem;
    color: var(--ink-muted);
}

/* Problems */
.problem-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.problem {
    padding: 1.35rem 1.15rem;
    border-radius: 18px;
    background: var(--bg-elevated);
    border: 1px solid var(--line);
}

.problem h3 {
    font-size: 1rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.problem p {
    color: var(--ink-muted);
    font-size: 0.92rem;
}

.audience-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.85rem;
}

.audience-list li {
    padding: 1.1rem 1rem;
    border-radius: 14px;
    background: var(--bg);
    border: 1px solid var(--line);
    font-weight: 600;
    font-size: 0.95rem;
    text-align: center;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.1rem;
}

.feature {
    padding: 1.4rem 1.25rem;
    border-radius: 18px;
    background: var(--bg-elevated);
    border: 1px solid var(--line);
    border-top: 3px solid var(--primary);
    box-shadow: 0 10px 28px rgba(21, 32, 51, 0.03);
}

.feature h3 {
    font-size: 1.05rem;
    font-weight: 800;
    margin-bottom: 0.55rem;
}

.feature p {
    color: var(--ink-muted);
    font-size: 0.94rem;
}

.module-flow {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.9rem;
}

.module-flow article {
    padding: 1.35rem 1.1rem;
    border-radius: 18px;
    background: var(--bg);
    border: 1px solid var(--line);
}

.module-flow strong {
    display: block;
    font-size: 1.05rem;
    margin-bottom: 0.4rem;
    color: var(--primary);
}

.module-flow p {
    color: var(--ink-muted);
    font-size: 0.92rem;
}

.ai-layout {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 2rem;
    align-items: center;
}

.check-list {
    display: grid;
    gap: 0.7rem;
    margin-top: 0.5rem;
}

.check-list li {
    position: relative;
    padding-inline-start: 1.6rem;
    color: var(--ink);
    font-weight: 600;
}

.check-list li::before {
    content: "";
    position: absolute;
    inset-inline-start: 0;
    top: 0.55rem;
    width: 0.7rem;
    height: 0.7rem;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-soft);
}

.ai-visual {
    position: relative;
    min-height: 240px;
    border-radius: 24px;
    background:
        radial-gradient(circle at 30% 30%, rgba(30, 77, 107, 0.12), transparent 45%),
        linear-gradient(160deg, #fff 0%, #f0f4f8 100%);
    border: 1px solid var(--line);
    display: grid;
    place-content: center;
    text-align: center;
    gap: 0.35rem;
    overflow: hidden;
    padding: 2rem;
}

.ai-visual p {
    position: relative;
    z-index: 1;
    font-weight: 800;
    font-size: 1.15rem;
}

.ai-visual span {
    position: relative;
    z-index: 1;
    color: var(--ink-muted);
    font-size: 0.9rem;
}

.ai-pulse {
    position: absolute;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    left: 50%;
    top: 50%;
    translate: -50% -50%;
    background: radial-gradient(circle, rgba(30, 77, 107, 0.22), transparent 70%);
    animation: core-breathe 3s ease-in-out infinite;
}

.compare-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.compare {
    padding: 1.5rem 1.25rem;
    border-radius: 18px;
    border: 1px solid var(--line);
}

.compare h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.compare ul {
    display: grid;
    gap: 0.65rem;
}

.compare li {
    position: relative;
    padding-inline-start: 1rem;
    color: var(--ink-muted);
    font-size: 0.95rem;
}

.compare li::before {
    content: "";
    position: absolute;
    inset-inline-start: 0;
    top: 0.6rem;
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.compare.before {
    background: #f8f9fb;
}

.compare.before li::before {
    background: #9aabbd;
}

.compare.after {
    background: linear-gradient(180deg, rgba(30, 77, 107, 0.06), #fff 55%);
    border-color: rgba(30, 77, 107, 0.2);
}

.compare.after li::before {
    background: var(--primary);
}

.compare.after li {
    color: var(--ink);
    font-weight: 500;
}

.trust-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.trust-row article {
    padding: 1.4rem 1.2rem;
    border-radius: 18px;
    background: var(--bg-elevated);
    border: 1px solid var(--line);
}

.trust-row h3 {
    font-size: 1.05rem;
    margin-bottom: 0.45rem;
}

.trust-row p {
    color: var(--ink-muted);
    font-size: 0.94rem;
}

.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.steps li {
    padding: 1.4rem 1.15rem;
    border-radius: 18px;
    background: var(--bg);
    border: 1px solid var(--line);
    display: grid;
    gap: 0.45rem;
}

.steps strong {
    font-size: 1.02rem;
    font-weight: 800;
}

.steps span {
    color: var(--ink-muted);
    font-size: 0.92rem;
}

.plan-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    align-items: stretch;
}

.plan {
    padding: 1.5rem 1.25rem;
    border-radius: 20px;
    background: var(--bg-elevated);
    border: 1px solid var(--line);
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.plan h3 {
    font-size: 1.25rem;
    font-weight: 800;
}

.plan > p {
    color: var(--ink-muted);
    font-size: 0.92rem;
}

.plan ul {
    display: grid;
    gap: 0.45rem;
    margin: 0.25rem 0 0.5rem;
    flex: 1;
}

.plan li {
    font-size: 0.92rem;
    color: var(--ink);
    padding-inline-start: 0.9rem;
    position: relative;
}

.plan li::before {
    content: "";
    position: absolute;
    inset-inline-start: 0;
    top: 0.55rem;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary);
}

.plan-featured {
    background: linear-gradient(180deg, rgba(30, 77, 107, 0.05) 0%, #fff 50%);
    border-color: rgba(30, 77, 107, 0.28);
    box-shadow: 0 16px 36px rgba(30, 77, 107, 0.08);
    position: relative;
}

.plan-featured::after {
    content: "";
    position: absolute;
    inset-inline: 1.25rem;
    top: 0;
    height: 3px;
    border-radius: 999px;
    background: var(--accent);
}

.plan-badge {
    align-self: flex-start;
    margin: 0 !important;
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
    background: var(--primary);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
}

.faq-list {
    display: grid;
    gap: 0.75rem;
    max-width: 760px;
}

.faq-item {
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--bg);
    padding: 0.9rem 1.1rem;
}

.faq-item summary {
    cursor: pointer;
    font-weight: 700;
    list-style: none;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item p {
    margin-top: 0.7rem;
    color: var(--ink-muted);
    font-size: 0.94rem;
}

.cta-section {
    background:
        radial-gradient(ellipse 55% 70% at 85% 20%, rgba(30, 77, 107, 0.1), transparent 55%),
        linear-gradient(180deg, #f5f7fa 0%, #e9eef4 100%);
}

.cta-inner {
    text-align: center;
    padding: 1rem 0;
}

.cta-inner h2 {
    margin-bottom: 0.75rem;
}

.cta-inner > p {
    color: var(--ink-muted);
    max-width: 36rem;
    margin: 0 auto 1.5rem;
    font-size: 1.05rem;
}

.cta-inner .hero-actions {
    justify-content: center;
}

/* ——— Footer ——— */
.site-footer {
    background: #ffffff;
    color: var(--ink);
    padding: 3.5rem 1.25rem 1.5rem;
    border-top: 1px solid var(--line);
}

.footer-grid {
    max-width: var(--max);
    margin: 0 auto 2rem;
    display: grid;
    grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
    gap: 1.75rem;
}

.footer-title {
    display: block;
    color: var(--ink);
    font-size: 1.1rem;
    margin-bottom: 0.7rem;
}

.footer-brand-block p {
    color: var(--ink-muted);
    font-size: 0.92rem;
    max-width: 22rem;
}

.footer-col {
    display: grid;
    gap: 0.55rem;
    align-content: start;
}

.footer-col h4 {
    color: var(--ink);
    font-size: 0.92rem;
    margin-bottom: 0.25rem;
}

.footer-col a,
.footer-col span {
    color: var(--ink-muted);
    font-size: 0.88rem;
}

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

.footer-bottom {
    max-width: var(--max);
    margin: 0 auto;
    padding-top: 1.25rem;
    border-top: 1px solid var(--line);
}

.footer-bottom p {
    color: var(--ink-muted);
    font-size: 0.82rem;
}

/* ——— Motion ——— */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    animation: reveal-up 0.85s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.reveal-delay-1 { animation-delay: 0.12s; }
.reveal-delay-2 { animation-delay: 0.24s; }
.reveal-delay-3 { animation-delay: 0.36s; }

@keyframes reveal-up {
    to { opacity: 1; transform: translateY(0); }
}

@keyframes glow-drift {
    from { transform: translate(0, 0) scale(1); }
    to { transform: translate(30px, 24px) scale(1.1); }
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes core-breathe {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.08); opacity: 0.88; }
}

@keyframes bar-rise {
    from { filter: brightness(0.95); transform: scaleY(0.92); transform-origin: bottom; }
    to { filter: brightness(1.08); transform: scaleY(1); transform-origin: bottom; }
}

/* ——— Responsive ——— */
@media (max-width: 980px) {
    .hero-shell,
    .ai-layout,
    .feature-grid,
    .plan-row,
    .compare-grid,
    .trust-row,
    .audience-list,
    .footer-grid,
    .stats-grid,
    .problem-grid,
    .module-flow,
    .steps {
        grid-template-columns: 1fr 1fr;
    }

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

    .site-nav {
        position: fixed;
        inset: 0;
        top: 0;
        padding: calc(var(--header-h) + 1rem) 1.25rem 2rem;
        background: rgba(255, 255, 255, 0.98);
        flex-direction: column;
        align-items: stretch;
        gap: 0.35rem;
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transition: opacity 0.25s, visibility 0.25s;
    }

    .site-nav.is-open {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }

    .nav-link {
        padding: 0.85rem 1rem;
        font-size: 1rem;
    }

    .nav-actions {
        margin: 1rem 0 0;
        padding: 1rem 0 0;
        border: 0;
        border-top: 1px solid var(--line);
        flex-direction: column;
        align-items: stretch;
    }

    .nav-actions .btn {
        width: 100%;
    }

    .brand-tag {
        display: none;
    }
}

@media (max-width: 680px) {
    .hero {
        padding-top: calc(var(--header-h) + 1.5rem);
        align-items: flex-start;
    }

    .hero-shell,
    .ai-layout,
    .feature-grid,
    .plan-row,
    .compare-grid,
    .trust-row,
    .audience-list,
    .footer-grid,
    .stats-grid,
    .problem-grid,
    .module-flow,
    .steps {
        grid-template-columns: 1fr;
    }

    .stats-strip {
        margin-top: 0;
        padding-top: 1rem;
    }

    .hero-visual {
        min-height: auto;
    }

    .orbit-badge {
        width: 90px;
        height: 90px;
        left: auto;
        right: -8px;
        bottom: -8px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }
}

.error-page {
    min-height: 70vh;
    padding: calc(var(--header-h) + 2.5rem) 1.25rem 4rem;
    display: grid;
    place-items: center;
}

.error-page-card {
    width: min(560px, 100%);
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 1.6rem 1.5rem 1.4rem;
    box-shadow: var(--shadow);
}

.error-kicker {
    margin: 0 0 0.35rem;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--ink-muted);
}

.error-page-card h2 {
    margin: 0 0 0.6rem;
    font-size: 1.35rem;
    font-weight: 800;
}

.error-page-card p {
    margin: 0 0 0.85rem;
    color: var(--ink-muted);
    line-height: 1.8;
}

.error-id {
    font-size: 0.84rem;
}

.error-id code {
    direction: ltr;
    unicode-bidi: isolate;
    display: inline-block;
    margin-top: 0.25rem;
    word-break: break-all;
}

.error-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin-top: 1.1rem;
}

.checkout-page .text-danger { color: #b42318; font-size: 0.85rem; }
.checkout-narrow { max-width: 720px; }
.checkout-form .plan-row {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.checkout-form .plan input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}
.checkout-form .plan.is-selected,
.plan.is-selected {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(30, 77, 107, 0.12);
}
.checkout-page .form-grid {
    display: grid;
    gap: 1rem;
}
.checkout-page .form-grid.two {
    grid-template-columns: 1fr 1fr;
}
.checkout-page .form-field {
    display: grid;
    gap: 0.35rem;
}
.checkout-page .form-field label { font-weight: 700; font-size: 0.9rem; }
.checkout-page .form-field input,
.checkout-page .form-field select {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 0.7rem 0.85rem;
    font: inherit;
    background: #fff;
}
.checkout-page .field-hint,
.checkout-page .muted { color: var(--ink-muted); font-size: 0.85rem; }
.checkout-summary {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 0.5rem;
    padding: 1.1rem 1.2rem;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: var(--bg-elevated);
}
.checkout-summary strong { display: block; font-size: 1.25rem; }
@media (max-width: 720px) {
    .checkout-page .form-grid.two { grid-template-columns: 1fr; }
}