:root {
    --bg-main: #eef4fb;
    --bg-alt: #e4ecf7;
    --bg-card: #ffffff;
    --text-main: #0f172a;
    --text-soft: #475569;
    --brand: #1d4ed8;
    --brand-dark: #1e3a8a;
    --brand-cyan: #06b6d4;
    --line: #d1dbe8;
    --shadow-soft: 0 12px 30px rgba(15, 23, 42, 0.1);
    --shadow-strong: 0 24px 55px rgba(2, 6, 23, 0.45);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "IRANSans", sans-serif;
    background:
        radial-gradient(circle at 88% 14%, rgba(14, 165, 233, 0.16), transparent 45%),
        radial-gradient(circle at 14% 92%, rgba(29, 78, 216, 0.12), transparent 42%),
        var(--bg-main);
    color: var(--text-main);
    line-height: 1.8;
}

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

img {
    max-width: 100%;
    display: block;
}

.container {
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 16px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(8, 18, 37, 0.92);
    backdrop-filter: blur(12px);
    color: #e2e8f0;
    border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 12px 0;
}

.logo-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.logo img {
    width: 38px;
    height: 38px;
}

.logo span {
    font-weight: 800;
    font-size: 1.08rem;
    letter-spacing: 0.2px;
}

.main-nav ul {
    display: flex;
    gap: 20px;
    list-style: none;
}

.main-nav a {
    font-size: 0.94rem;
    color: #e2e8f0;
    transition: color 0.2s ease;
}

.main-nav a:hover {
    color: #67e8f9;
}

.nav-toggle {
    display: none;
    border: none;
    background: transparent;
    padding: 3px;
    color: #e2e8f0;
    cursor: pointer;
}

.nav-toggle svg {
    width: 24px;
    height: 24px;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
    stroke-linecap: round;
}

.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    border: none;
    cursor: pointer;
    padding: 11px 21px;
    font-size: 0.93rem;
    font-weight: 600;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(120deg, var(--brand), #2563eb 55%, #0ea5e9);
    color: #f8fafc;
    box-shadow: 0 12px 28px rgba(37, 99, 235, 0.42);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 18px 32px rgba(29, 78, 216, 0.54);
}

.btn-call-attention {
    font-size: 1rem;
    font-weight: 800;
    padding: 13px 28px;
    letter-spacing: 0.15px;
    position: relative;
    overflow: hidden;
    animation: callPulse 2.2s ease-in-out infinite;
}

.btn-call-attention::after {
    content: "";
    position: absolute;
    inset: -6px;
    border-radius: inherit;
    border: 2px solid rgba(37, 99, 235, 0.44);
    animation: callRing 2.2s ease-out infinite;
    pointer-events: none;
}

.btn-call-attention::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    right: -44%;
    width: 36%;
    transform: skewX(-18deg);
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.78), transparent);
    opacity: 0;
    pointer-events: none;
}

.btn-call-attention.call-spotlight::before {
    opacity: 1;
    animation: callShine 0.78s ease;
}

.btn-call-attention.call-jolt {
    animation: callPulse 2.2s ease-in-out infinite, callJolt 0.58s ease;
}

@keyframes callPulse {
    0%,
    100% {
        transform: translateY(0) scale(1);
        box-shadow: 0 12px 28px rgba(37, 99, 235, 0.45);
    }
    50% {
        transform: translateY(-2px) scale(1.03);
        box-shadow: 0 20px 36px rgba(14, 165, 233, 0.58);
    }
}

@keyframes callRing {
    0% {
        opacity: 0.72;
        transform: scale(0.98);
    }
    72% {
        opacity: 0;
        transform: scale(1.14);
    }
    100% {
        opacity: 0;
        transform: scale(1.14);
    }
}

@keyframes callJolt {
    0% { transform: translateY(0) scale(1) rotate(0); }
    22% { transform: translateY(-3px) scale(1.06) rotate(-0.8deg); }
    48% { transform: translateY(-1px) scale(1.03) rotate(0.7deg); }
    100% { transform: translateY(0) scale(1) rotate(0); }
}

@keyframes callShine {
    0% {
        right: -44%;
        opacity: 0;
    }
    16% {
        opacity: 1;
    }
    100% {
        right: 118%;
        opacity: 0;
    }
}

.btn-secondary {
    background: rgba(15, 23, 42, 0.8);
    color: #e2e8f0;
    border: 1px solid rgba(148, 163, 184, 0.45);
}

.hero {
    padding: 50px 0 30px;
    color: #e5e7eb;
    background: radial-gradient(circle at 12% 14%, #1d4ed8 0, #0f172a 45%, #020617 100%);
    position: relative;
    overflow: hidden;
}

.hero::before,
.hero::after {
    content: "";
    position: absolute;
    border-radius: 999px;
    opacity: 0.16;
    filter: blur(4px);
}

.hero::before {
    width: 240px;
    height: 240px;
    right: -60px;
    top: -60px;
    background: #38bdf8;
}

.hero::after {
    width: 210px;
    height: 210px;
    left: -70px;
    bottom: -60px;
    background: #f59e0b;
}

.hero-inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.24fr 1fr;
    gap: 34px;
    align-items: center;
}

.hero h1 {
    font-size: 2rem;
    line-height: 1.5;
    margin-bottom: 14px;
}

.hero p {
    font-size: 0.98rem;
    color: #dbeafe;
    margin-bottom: 14px;
}

.hero-bullets {
    list-style: none;
    margin-bottom: 16px;
}

.hero-bullets li {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 6px;
    font-size: 0.94rem;
}

.hero-bullets li img {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    flex-shrink: 0;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 11px;
}

.hero-note {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: #c7d2fe;
    font-size: 0.88rem;
    margin-bottom: 14px;
}

.hero-note img {
    width: 18px;
    height: 18px;
}

.hero-bullets li img,
.hero-note img {
    filter: brightness(0) invert(0.92);
}

.hero-badges {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    max-width: 360px;
}

.hero-badges div {
    border: 1px solid rgba(148, 163, 184, 0.5);
    border-radius: 12px;
    background: rgba(15, 23, 42, 0.38);
    padding: 8px 10px;
}

.hero-badges strong {
    display: block;
    color: #67e8f9;
    font-size: 1rem;
}

.hero-badges span {
    display: block;
    font-size: 0.82rem;
    color: #cbd5e1;
}

.hero-image {
    border-radius: 24px;
    border: 1px solid rgba(191, 219, 254, 0.28);
    overflow: hidden;
    box-shadow: var(--shadow-strong);
    animation: floaty 6s ease-in-out infinite;
}

.hero-image img {
    width: 100%;
    height: auto;
}

@keyframes floaty {
    0%,
    100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

.wave-divider {
    margin-top: -1px;
}

.wave-divider img {
    width: 100%;
    height: 74px;
    object-fit: cover;
}

body.has-sticky-brand-strip {
    padding-bottom: calc(var(--brand-strip-space, 174px) + env(safe-area-inset-bottom, 0px));
}

.brand-strip-anchor {
    position: relative;
}

.brand-strip-sticky {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 120;
    width: 100%;
    background: #ffffff;
    border-top: 1px solid #dbeafe;
    box-shadow: 0 -16px 34px rgba(15, 23, 42, 0.14);
    padding: 10px 14px 12px;
}

.brand-strip-text {
    text-align: center;
    font-size: 1rem;
    line-height: 1.6;
    font-weight: 800;
    color: #0f172a;
    margin-bottom: 8px;
}

.brand-marquee {
    width: min(1120px, 100%);
    margin: 0 auto;
    overflow: hidden;
    direction: ltr;
    mask-image: linear-gradient(to left, transparent 0, #000 8%, #000 92%, transparent 100%);
    -webkit-mask-image: linear-gradient(to left, transparent 0, #000 8%, #000 92%, transparent 100%);
}

.brand-marquee-track {
    --brand-marquee-gap: 12px;
    width: max-content;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    direction: ltr;
    gap: var(--brand-marquee-gap);
    animation: brandTicker 32s linear infinite;
    will-change: transform;
}

.brand-marquee:hover .brand-marquee-track {
    animation-play-state: paused;
}

.brand-logo-box {
    flex: 0 0 auto;
    width: clamp(78px, 9vw, 116px);
    height: clamp(50px, 6.2vw, 72px);
    border-radius: 10px;
    border: 1px solid #dbeafe;
    background: #f8fbff;
    padding: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.brand-logo-box img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.strip-call-btn {
    margin: 10px auto 0;
    min-width: 240px;
    font-size: 1rem;
}

@keyframes brandTicker {
    from { transform: translateX(0); }
    to { transform: translateX(calc(-50% - (var(--brand-marquee-gap) / 2))); }
}

.section {
    padding: 42px 0;
}

.section-alt {
    background: var(--bg-alt);
}

.section h2 {
    font-size: 1.45rem;
    line-height: 1.5;
    margin-bottom: 12px;
}

.section-subtitle {
    font-size: 0.95rem;
    color: var(--text-soft);
    margin-bottom: 20px;
}

.error-search-section {
    padding-top: 30px;
}

.error-search-title {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    margin-bottom: 13px;
}

.error-search-title i {
    color: #1d4ed8;
    font-size: 1.1em;
}

.error-search-shell {
    background: #ffffff;
    border: 1px solid #dbeafe;
    border-radius: 16px;
    box-shadow: var(--shadow-soft);
    padding: 14px;
}

.error-search-label {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.error-search-input-wrap {
    position: relative;
}

.error-search-input-wrap .fa-magnifying-glass {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #1d4ed8;
    font-size: 0.92rem;
    pointer-events: none;
}

.error-search-input {
    width: 100%;
    border: 1px solid #bfdbfe;
    border-radius: 12px;
    background: #f8fbff;
    font-size: 0.95rem;
    padding: 10px 40px 10px 42px;
    color: #0f172a;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.error-search-input:focus {
    outline: none;
    border-color: #2563eb;
    background: #ffffff;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.error-search-clear {
    position: absolute;
    left: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 24px;
    border: none;
    border-radius: 999px;
    background: transparent;
    color: #64748b;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
}

.error-search-clear:hover {
    background: #e2e8f0;
    color: #334155;
}

.error-search-shell.has-query .error-search-clear {
    display: inline-flex;
}

.error-search-status {
    margin-top: 10px;
    min-height: 1.5em;
    font-size: 0.84rem;
    color: #1d4ed8;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.error-search-status .fa-solid {
    font-size: 0.88em;
}

.error-search-results {
    margin-top: 8px;
    display: grid;
    gap: 10px;
}

.error-search-result {
    display: block;
    border: 1px solid #dbeafe;
    border-radius: 12px;
    background: #ffffff;
    padding: 10px 11px;
    transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.error-search-result:hover,
.error-search-result:focus-visible {
    border-color: #60a5fa;
    transform: translateY(-1px) scale(1.004);
    box-shadow: 0 9px 20px rgba(15, 23, 42, 0.11);
    outline: none;
}

.error-search-result-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 5px;
}

.error-search-result-title {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.94rem;
    line-height: 1.6;
    font-weight: 800;
    color: #0f172a;
    margin-bottom: 0;
}

.error-search-result-title i {
    color: #1d4ed8;
    font-size: 0.86em;
}

.error-search-result-link-icon {
    color: #1d4ed8;
    font-size: 0.8rem;
    opacity: 0.75;
}

.error-search-result-desc {
    font-size: 0.86rem;
    line-height: 1.7;
    color: #334155;
    margin-bottom: 7px;
}

.error-search-result-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
}

.error-search-tag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    border: 1px solid #bfdbfe;
    background: #eff6ff;
    color: #1e3a8a;
    font-size: 0.72rem;
    line-height: 1;
    padding: 4px 8px;
    font-weight: 700;
}

.error-library-section {
    min-height: 62vh;
}

.error-library-title {
    font-size: 1.75rem;
    line-height: 1.5;
    margin-bottom: 10px;
}

.error-library-list {
    display: grid;
    gap: 12px;
}

.error-library-article {
    border: 1px solid #d7e5fc;
    border-radius: 15px;
    padding: 13px;
    background: #ffffff;
    box-shadow: var(--shadow-soft);
}

.error-library-article-title {
    font-size: 1.05rem;
    line-height: 1.6;
    margin-bottom: 7px;
}

.error-library-article-desc {
    font-size: 0.92rem;
    color: #334155;
    margin-bottom: 9px;
}

.error-library-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
}

.error-library-actions {
    margin-top: 16px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.error-breadcrumb {
    margin-bottom: 12px;
}

.error-breadcrumb ol {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    padding: 0;
    margin: 0;
    align-items: center;
}

.error-breadcrumb li {
    font-size: 0.82rem;
    color: #475569;
    display: inline-flex;
    align-items: center;
    gap: 7px;
}

.error-breadcrumb li:not(:last-child)::after {
    content: "\f053";
    font-family: "Font Awesome 7 Pro";
    font-weight: 900;
    font-size: 0.64rem;
    color: #94a3b8;
}

.error-breadcrumb a {
    color: #1e40af;
    text-decoration: none;
}

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

.e1-page .e1-hero {
    background: radial-gradient(circle at 92% 12%, rgba(14, 165, 233, 0.26), transparent 40%), linear-gradient(160deg, #0f172a, #0b2b5f);
    border-radius: 20px;
    border: 1px solid rgba(147, 197, 253, 0.42);
    color: #e2e8f0;
    padding: 20px;
    box-shadow: 0 20px 45px rgba(2, 6, 23, 0.35);
}

.e1-page .e1-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(30, 58, 138, 0.48);
    border: 1px solid rgba(147, 197, 253, 0.4);
    color: #bfdbfe;
    border-radius: 999px;
    padding: 6px 11px;
    font-size: 0.8rem;
    margin-bottom: 12px;
}

.e1-page .e1-hero h1 {
    font-size: 1.58rem;
    line-height: 1.6;
    margin-bottom: 10px;
}

.e1-page .e1-hero p {
    color: #dbeafe;
    margin-bottom: 13px;
}

.e1-page .e1-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.e1-page .e1-actions .btn-primary,
.e1-page .e1-actions .btn-secondary {
    gap: 7px;
}

.e1-page .e1-quick-grid {
    margin-top: 16px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

.e1-page .e1-quick-item {
    background: rgba(15, 23, 42, 0.38);
    border: 1px solid rgba(147, 197, 253, 0.35);
    border-radius: 12px;
    padding: 10px;
}

.e1-page .e1-quick-item strong {
    color: #7dd3fc;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.92rem;
    margin-bottom: 4px;
}

.e1-page .e1-quick-item p {
    color: #dbeafe;
    font-size: 0.84rem;
    line-height: 1.8;
    margin: 0;
}

.e1-page .e1-steps {
    margin-top: 16px;
}

.e1-page .e1-steps li + li {
    margin-top: 7px;
}

.e1-page .e1-steps li {
    background: #ffffff;
    border: 1px solid #dbeafe;
    border-radius: 11px;
    padding: 9px 11px;
}

.e1-page .e1-warning {
    margin-top: 14px;
    border-radius: 12px;
    border: 1px solid #fecaca;
    background: #fff1f2;
    color: #9f1239;
    padding: 10px 11px;
    font-size: 0.9rem;
}

.e1-page .e1-related-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.e1-page .e1-related-card {
    background: #ffffff;
    border: 1px solid #dbeafe;
    border-radius: 14px;
    padding: 12px;
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
}

.e1-page .e1-related-card h3 {
    font-size: 0.94rem;
    line-height: 1.65;
    margin-bottom: 6px;
}

.e1-page .e1-related-card p {
    font-size: 0.84rem;
    color: #475569;
    margin-bottom: 10px;
}

.e1-page .e1-final-cta {
    margin-top: 12px;
    background: linear-gradient(145deg, #ffffff, #eef6ff);
    border: 1px solid #bfdbfe;
    border-radius: 16px;
    padding: 15px;
}

.e1-page .e1-final-cta h2 {
    font-size: 1.14rem;
    margin-bottom: 7px;
}

.e1-page .e1-final-cta p {
    color: #334155;
    margin-bottom: 11px;
}

.trust-strip {
    padding-top: 34px;
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.trust-item {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    background: #ffffff;
    border: 1px solid var(--line);
    box-shadow: var(--shadow-soft);
    border-radius: 15px;
    padding: 12px;
}

.trust-item img {
    width: 34px;
    height: 34px;
    flex-shrink: 0;
}

.trust-item strong {
    display: block;
    margin-bottom: 2px;
}

.trust-item p {
    font-size: 0.88rem;
    color: var(--text-soft);
    line-height: 1.7;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.card {
    background: var(--bg-card);
    border-radius: 16px;
    border: 1px solid var(--line);
    padding: 15px 16px;
    box-shadow: var(--shadow-soft);
}

.section-alt .card {
    background: #f8fbff;
}

.card-head {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.card-head img {
    width: 40px;
    height: 40px;
}

.card h3 {
    font-size: 1.04rem;
    line-height: 1.45;
}

.card ul {
    list-style: disc;
    padding-right: 18px;
    font-size: 0.9rem;
    color: #1f2937;
}

.card ul li + li {
    margin-top: 3px;
}

.card p {
    color: #1f2937;
    font-size: 0.92rem;
}

.about-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 18px;
}

.list-check {
    list-style: none;
    padding-right: 0;
}

.list-check li {
    position: relative;
    padding-right: 22px;
    margin-bottom: 7px;
    font-size: 0.94rem;
}

.list-check li::before {
    content: "";
    position: absolute;
    right: 0;
    top: 4px;
    width: 14px;
    height: 14px;
    border-radius: 999px;
    background: linear-gradient(130deg, #22c55e, #15803d);
    box-shadow: 0 3px 10px rgba(21, 128, 61, 0.35);
}

.gallery-wrapper {
    margin-top: 16px;
}

.gallery-slider {
    position: relative;
    width: 100%;
    max-width: 820px;
    margin: 0 auto;
    height: 310px;
    perspective: 1200px;
}

.gallery-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transform: translateZ(-90px) scale(0.94);
    transition: opacity 0.8s ease, transform 0.8s ease;
    display: flex;
    justify-content: center;
    align-items: center;
}

.gallery-slide.active {
    opacity: 1;
    transform: translateZ(0) scale(1);
}

.gallery-slide img {
    max-width: 100%;
    max-height: 100%;
    border-radius: 14px;
    box-shadow: 0 18px 42px rgba(15, 23, 42, 0.35);
    object-fit: cover;
}

.gallery-dots {
    margin-top: 14px;
    display: flex;
    justify-content: center;
    gap: 8px;
}

.gallery-dots .dot {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: #bfdbfe;
    cursor: pointer;
    transition: width 0.3s ease, transform 0.3s ease, background 0.3s ease;
}

.gallery-dots .dot.active {
    width: 22px;
    background: var(--brand);
    transform: scale(1.15);
}

.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 20px;
}

.contact-info-box,
.contact-form-box {
    background: #ffffff;
    border-radius: 16px;
    border: 1px solid var(--line);
    padding: 15px 16px;
    box-shadow: var(--shadow-soft);
}

.contact-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    font-size: 0.92rem;
}

.contact-row img {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
}

.form-group {
    margin-bottom: 10px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 4px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 9px 10px;
    border-radius: 9px;
    border: 1px solid #cbd5e1;
    font-size: 0.9rem;
    background: #f8fafc;
}

.form-group textarea {
    resize: vertical;
}

.site-footer {
    margin-top: 20px;
    color: #e5e7eb;
    background: linear-gradient(160deg, #0f172a, #111827 55%, #0b4a6f);
    padding-top: 22px;
}

.footer-inner {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr 1fr;
    gap: 16px;
    padding-bottom: 12px;
}

.footer-col h3 {
    font-size: 1rem;
    margin-bottom: 8px;
}

.footer-col p,
.footer-col li {
    font-size: 0.9rem;
    color: #dbe5f0;
}

.footer-col ul {
    list-style: none;
}

.footer-contact {
    display: flex;
    align-items: center;
    gap: 7px;
    margin-bottom: 7px;
}

.footer-contact img {
    width: 18px;
    height: 18px;
    filter: brightness(0) invert(0.9);
}

.footer-bottom {
    border-top: 1px solid rgba(148, 163, 184, 0.28);
    padding: 8px 0;
    text-align: center;
    font-size: 0.82rem;
}

@media (max-width: 900px) {
    .hero-inner,
    .grid-3,
    .about-grid,
    .contact-grid,
    .footer-inner,
    .trust-grid {
        grid-template-columns: 1fr;
    }

    .hero {
        padding-top: 34px;
    }

    .hero h1 {
        font-size: 1.7rem;
    }

    .hero-badges {
        max-width: 100%;
    }

    .header-inner {
        flex-wrap: wrap;
        gap: 10px;
    }

    .main-nav {
        display: none;
        width: 100%;
    }

    .main-nav.open {
        display: block;
    }

    .main-nav ul {
        flex-direction: column;
        gap: 8px;
        padding: 8px 0;
    }

    .header-cta {
        width: 100%;
    }

    .header-cta .btn-primary {
        width: 100%;
        justify-content: center;
    }

    .nav-toggle {
        display: block;
    }

    .gallery-slider {
        height: 212px;
    }

    .error-search-shell {
        padding: 12px;
        border-radius: 14px;
    }

    .error-search-input {
        font-size: 0.89rem;
        padding: 9px 36px 9px 38px;
    }

    .error-search-result {
        padding: 9px;
    }

    .error-search-result-title {
        font-size: 0.89rem;
    }

    .error-search-result-desc {
        font-size: 0.82rem;
    }

    .error-library-title {
        font-size: 1.42rem;
    }

    .e1-page .e1-hero h1 {
        font-size: 1.32rem;
    }

    .e1-page .e1-quick-grid,
    .e1-page .e1-related-grid {
        grid-template-columns: 1fr;
    }

    .e1-page .e1-actions .btn-primary,
    .e1-page .e1-actions .btn-secondary {
        width: 100%;
        justify-content: center;
    }

    .error-library-actions .btn-primary,
    .error-library-actions .btn-secondary {
        width: 100%;
    }

    .brand-strip-sticky {
        padding-left: 10px;
        padding-right: 10px;
    }

    .brand-strip-text {
        font-size: 0.89rem;
        margin-bottom: 7px;
    }

    .brand-marquee-track {
        --brand-marquee-gap: 9px;
        animation-duration: 24s;
    }

    .brand-logo-box {
        width: 84px;
        height: 52px;
        border-radius: 8px;
        padding: 5px;
    }

    .strip-call-btn {
        min-width: min(300px, 100%);
        width: 100%;
        max-width: 360px;
        font-size: 0.95rem;
        padding: 11px 18px;
    }

    .btn-call-attention {
        font-size: 0.95rem;
        padding: 11px 20px;
    }

    .btn-call-attention::after {
        inset: -4px;
    }
}