:root {
    --bg: #06101d;
    --bg-soft: #0b1728;
    --panel: rgba(10, 23, 39, 0.74);
    --panel-strong: rgba(8, 19, 34, 0.9);
    --line: rgba(255,255,255,0.11);
    --text: #f3f7ff;
    --muted: #9db0c9;
    --accent: #8b5cf6;
    --accent-2: #22d3ee;
    --accent-3: #f59e0b;
    --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
    --radius-xl: 28px;
    --radius-lg: 22px;
    --radius-md: 16px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background:
        radial-gradient(circle at top left, rgba(124, 58, 237, 0.18), transparent 36%),
        radial-gradient(circle at top right, rgba(34, 211, 238, 0.14), transparent 28%),
        linear-gradient(180deg, #050c17 0%, #08111f 38%, #091321 100%);
    color: var(--text);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    background-image: linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 42px 42px;
    opacity: 0.18;
    pointer-events: none;
    z-index: -2;
}

#nookCanvasBg {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: -3;
    opacity: 0.55;
    pointer-events: none;
}

a {
    color: inherit;
}

a:hover {
    color: #fff;
    text-decoration: none;
}

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

p {
    color: var(--muted);
    line-height: 1.7;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text);
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
}

code {
    color: #d9efff;
    background: rgba(255,255,255,0.06);
    padding: 2px 7px;
    border-radius: 8px;
}

.section-space {
    padding: 42px 0;
}

.section-top-gap {
    padding-top: 130px;
}

.glass-panel {
    background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.03));
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 9px 16px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.14);
    background: rgba(255,255,255,0.05);
    font-size: 13px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #d8e8ff;
}

.eyebrow::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    box-shadow: 0 0 14px rgba(139,92,246,0.8);
}

.premium-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    padding: 18px 0;
    background: linear-gradient(180deg, rgba(5, 12, 23, 0.86), rgba(5, 12, 23, 0.12));
    backdrop-filter: blur(14px);
}

.premium-navbar {
    background: rgba(8, 16, 29, 0.72);
    border: 1px solid rgba(255,255,255,0.09);
    border-radius: 24px;
    padding: 15px 22px;
    box-shadow: 0 14px 40px rgba(0,0,0,0.25);
}

.premium-brand {
    display: flex;
    align-items: center;
    gap: 14px;
    min-width: 0;
}

.brand-badge {
    width: 48px;
    height: 48px;
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: white;
    font-weight: 800;
    box-shadow: 0 18px 30px rgba(34, 211, 238, 0.22);
}

.brand-text-wrap {
    display: flex;
    flex-direction: column;
}

.brand-title {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: #fff;
}

.brand-subtitle {
    font-size: 12px;
    color: var(--muted);
}

.premium-toggler {
    border: 1px solid rgba(255,255,255,0.16);
    border-radius: 14px;
    color: #fff;
    padding: 8px 12px;
}

.premium-navbar .nav-link {
    color: #dce7f9;
    font-size: 15px;
    font-weight: 600;
    padding: 10px 14px !important;
    border-radius: 12px;
    transition: 0.28s ease;
}

.premium-navbar .nav-link:hover,
.premium-navbar .nav-link.active {
    color: #fff;
    background: rgba(255,255,255,0.08);
}

.nav-cta {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #fff !important;
    box-shadow: 0 18px 30px rgba(34, 211, 238, 0.18);
}

.hero-grid,
.auth-layout,
.showcase-grid,
.story-grid,
.gallery-grid,
.auth-bottom-grid,
.footer-grid {
    display: grid;
    gap: 24px;
}

.hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: center;
}

.hero-copy,
.hero-main-frame,
.story-copy,
.story-visual,
.showcase-card,
.gallery-card,
.auth-visual,
.auth-card,
.info-card,
.promo-strip,
.footer-grid,
.status-banner {
    padding: 28px;
}

.hero-copy h1 {
    font-size: clamp(2.5rem, 4vw, 4.7rem);
    line-height: 1.04;
    margin: 18px 0 18px;
}

.hero-actions,
.auth-actions,
.hero-metrics,
.info-list,
.hero-visuals {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.hero-metrics {
    margin-top: 26px;
}

.metric-card {
    min-width: 155px;
    flex: 1;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 18px;
    padding: 18px;
}

.metric-card strong {
    display: block;
    font-size: 26px;
    margin-bottom: 8px;
}

.metric-card span {
    display: block;
    color: var(--muted);
    font-size: 14px;
}

.hero-visuals {
    align-items: flex-end;
    position: relative;
}

.hero-main-frame {
    flex: 1 1 100%;
}

.hero-image-frame,
.image-holder,
.gallery-image,
.auth-image-frame {
    overflow: hidden;
    border-radius: 22px;
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(255,255,255,0.04);
}

.hero-image-frame img,
.image-holder img,
.gallery-image img,
.auth-image-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.floating-note {
    max-width: 300px;
    margin-left: auto;
}

.floating-note-label,
.card-kicker,
.gallery-tag,
.auth-side-tag {
    display: inline-flex;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: #d6e6fb;
    margin-bottom: 10px;
}

.section-heading {
    max-width: 700px;
    margin-bottom: 24px;
}

.section-heading h2 {
    font-size: clamp(2rem, 3vw, 3.2rem);
    margin: 14px 0 10px;
}

.showcase-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.showcase-card,
.gallery-card,
.info-card,
.auth-card,
.auth-visual,
.story-copy,
.story-visual,
.promo-strip,
.status-banner {
    background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.03));
    border: 1px solid rgba(255,255,255,0.10);
    box-shadow: var(--shadow);
    border-radius: var(--radius-xl);
}

.showcase-card h3,
.gallery-card h3,
.info-card h3,
.story-copy h2,
.auth-panel-copy h1,
.auth-card h2 {
    margin-bottom: 12px;
}

.card-icon {
    width: 56px;
    height: 56px;
    border-radius: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.08);
    color: #fff;
    font-size: 22px;
    margin-bottom: 18px;
}

.story-grid {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
}

.choose-layout {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 24px;
    align-items: stretch;
}

.choose-image-panel,
.choose-card,
.mission-card,
.faq-item {
    background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.03));
    border: 1px solid rgba(255,255,255,0.10);
    box-shadow: var(--shadow);
    border-radius: var(--radius-xl);
}

.choose-image-panel,
.mission-card {
    padding: 28px;
}

.choose-image-frame {
    min-height: 360px;
    margin-top: 22px;
}

.choose-list,
.mission-grid,
.faq-grid {
    display: grid;
    gap: 24px;
}

.choose-list,
.mission-grid,
.faq-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.choose-card {
    padding: 24px;
}

.choose-card h3,
.mission-card h3 {
    margin-bottom: 12px;
}

.mission-card-accent {
    background: linear-gradient(180deg, rgba(139,92,246,0.22), rgba(255,255,255,0.04));
}

.value-points {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 20px;
}

.value-points span {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 15px;
    border-radius: 14px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
    color: #dce9fb;
    font-size: 14px;
}

.value-points i {
    color: var(--accent-2);
}

.faq-item {
    padding: 0;
    overflow: hidden;
}

.faq-item + .faq-item {
    margin-top: 18px;
}

.faq-item summary {
    list-style: none;
    cursor: pointer;
    padding: 22px 24px;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    position: relative;
}

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

.faq-item summary::after {
    content: '+';
    position: absolute;
    right: 22px;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.08);
    font-size: 20px;
    line-height: 1;
}

.faq-item[open] summary::after {
    content: '–';
}

.faq-item p {
    padding: 0 24px 24px;
    margin: 0;
}

.story-stack {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin-top: 18px;
}

.story-visual .image-holder {
    min-height: 420px;
}

.gallery-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.gallery-image {
    aspect-ratio: 4 / 3;
    margin-bottom: 18px;
}

.gallery-card h3 {
    font-size: 22px;
}

.promo-strip {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 22px;
}

.btn-premium {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 52px;
    padding: 12px 22px;
    border-radius: 16px;
    font-weight: 700;
    font-size: 15px;
    border: none;
    cursor: pointer;
    transition: transform .24s ease, box-shadow .24s ease, opacity .24s ease;
}

.btn-premium:hover {
    transform: translateY(-2px);
}

.btn-primary-premium,
button.btn-primary-premium {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #fff;
    box-shadow: 0 20px 32px rgba(34, 211, 238, 0.2);
}

.btn-secondary-premium,
button.btn-secondary-premium {
    background: rgba(255,255,255,0.05);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.12);
}

.auth-shell {
    padding-top: 140px;
    padding-bottom: 60px;
}

.auth-layout {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: stretch;
}

.auth-visual {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 100%;
}

.auth-panel-copy h1 {
    font-size: clamp(2.1rem, 3vw, 3.5rem);
    line-height: 1.08;
}

.auth-panel-copy p,
.auth-bullets li,
.hint-text,
.demo-note {
    color: var(--muted);
}

.auth-bullets {
    list-style: none;
    padding: 0;
    margin: 24px 0 0;
    display: grid;
    gap: 14px;
}

.auth-bullets li {
    position: relative;
    padding-left: 28px;
}

.auth-bullets li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 8px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.auth-image-frame {
    margin-top: 28px;
    aspect-ratio: 16 / 11;
}

.auth-card {
    min-height: 100%;
}

.auth-card .section-mini {
    margin-bottom: 20px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.form-grid .full-span {
    grid-column: 1 / -1;
}

.form-group label {
    display: block;
    font-size: 13px;
    margin-bottom: 10px;
    color: #dce7f8;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.premium-input-wrap {
    position: relative;
}

.premium-input-wrap i {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: #cad8ef;
    opacity: 0.7;
}

.premium-input,
.auth-card input.form-control {
    width: 100%;
    min-height: 54px;
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.10);
    background: rgba(255,255,255,0.05);
    color: #fff;
    padding: 14px 16px 14px 46px;
    box-shadow: none !important;
}

.premium-input::placeholder,
.auth-card input.form-control::placeholder {
    color: rgba(223,235,255,0.58);
}

.premium-input:focus,
.auth-card input.form-control:focus {
    border-color: rgba(34, 211, 238, 0.75);
    background: rgba(255,255,255,0.08);
    color: #fff;
}

.inline-check {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 18px;
    border-radius: 16px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
}

.inline-check input {
    transform: scale(1.1);
}

.inline-check label {
    margin: 0;
    color: #d5e4fb;
}

.demo-credentials,
.info-card,
.status-banner {
    margin-top: 20px;
}

.demo-credentials .credential-grid,
.auth-bottom-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.credential-box {
    padding: 18px;
    border-radius: 18px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
}

.credential-label {
    display: block;
    font-size: 12px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #cfdcf0;
    margin-bottom: 8px;
}

.credential-value {
    font-size: 24px;
    color: #fff;
    font-family: 'Space Grotesk', sans-serif;
}

.support-row {
    margin-top: 20px;
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
}

.support-row a,
.auth-link {
    color: #dce7ff;
    text-decoration: underline;
    text-underline-offset: 4px;
}

.alert {
    border-radius: 18px;
    border: 1px solid rgba(255,255,255,0.1);
}

.alert-success {
    background: rgba(34,197,94,0.16);
    color: #d9ffeb;
}

.alert-danger {
    background: rgba(239,68,68,0.16);
    color: #ffe1e1;
}

#sname {
    margin-top: 10px;
    color: #dce7ff;
    font-size: 14px;
}

#mobile_err {
    color: #ffb4b4 !important;
    margin-top: 8px;
    font-size: 13px;
}

.premium-footer {
    padding: 28px 0 40px;
}

.footer-grid {
    grid-template-columns: 1.3fr 0.8fr 0.8fr 1fr;
    padding: 30px;
    margin-top: 26px;
}

.footer-brand {
    display: flex;
    gap: 14px;
}

.footer-brand h3,
.premium-footer h4 {
    margin-bottom: 10px;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 10px;
}

.footer-links a,
.footer-note {
    color: var(--muted);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    align-items: center;
    padding-top: 18px;
}

.footer-socials {
    display: flex;
    gap: 12px;
}

.footer-socials a {
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.09);
}

.scroll-to-top {
    right: 24px;
    bottom: 24px;
}

@media (max-width: 1199px) {
    .hero-grid,
    .story-grid,
    .auth-layout,
    .footer-grid,
    .choose-layout {
        grid-template-columns: 1fr;
    }
    .showcase-grid,
    .gallery-grid,
    .mission-grid,
    .faq-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 991px) {
    .premium-navbar {
        padding: 14px 18px;
    }
    .premium-navbar .navbar-collapse {
        margin-top: 14px;
        padding-top: 12px;
        border-top: 1px solid rgba(255,255,255,0.08);
    }
    .premium-navbar .nav-link {
        width: 100%;
    }
    .form-grid,
    .demo-credentials .credential-grid,
    .auth-bottom-grid,
    .showcase-grid,
    .gallery-grid,
    .story-stack,
    .choose-list,
    .mission-grid,
    .faq-grid {
        grid-template-columns: 1fr;
    }
    .promo-strip {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 767px) {
    .section-top-gap,
    .auth-shell {
        padding-top: 118px;
    }
    .hero-copy,
    .hero-main-frame,
    .story-copy,
    .story-visual,
    .showcase-card,
    .gallery-card,
    .auth-visual,
    .auth-card,
    .info-card,
    .promo-strip,
    .footer-grid,
    .status-banner {
        padding: 22px;
    }
    .hero-copy h1,
    .auth-panel-copy h1 {
        font-size: 2.2rem;
    }
    .premium-brand {
        max-width: calc(100% - 70px);
    }
    .brand-subtitle {
        display: none;
    }
}