:root {
    --font-sans: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
    --radius-xl: 34px;
    --radius-lg: 26px;
    --radius-md: 18px;
    --radius-sm: 12px;
    --shadow-soft: 0 32px 80px rgba(15, 23, 42, 0.35);
    --shadow-float: 0 22px 54px rgba(59, 130, 246, 0.25);
    --transition: all 0.28s ease;
    --primary: #3b82f6;
    --accent: #22d3ee;
    --success: #22c55e;
    --error: #ef4444;
    --max-width: 1240px;
    --panel-max: 1120px;
}

.theme-dark {
    --bg-body: radial-gradient(circle at 12% 20%, rgba(56, 189, 248, 0.16), rgba(15, 23, 42, 1));
    --bg-surface: rgba(15, 23, 42, 0.82);
    --bg-surface-strong: rgba(15, 23, 42, 0.9);
    --bg-glow: rgba(59, 130, 246, 0.18);
    --text-primary: #e2e8f0;
    --text-secondary: rgba(148, 163, 184, 0.86);
    --border-soft: rgba(148, 163, 184, 0.12);
    --border-strong: rgba(59, 130, 246, 0.35);
    --ring: rgba(59, 130, 246, 0.38);
}

.theme-light {
    --bg-body: linear-gradient(135deg, #f5f7ff, #eaf2ff 45%, #ffffff 90%);
    --bg-surface: rgba(255, 255, 255, 0.88);
    --bg-surface-strong: rgba(255, 255, 255, 0.96);
    --bg-glow: rgba(59, 130, 246, 0.14);
    --text-primary: #0f172a;
    --text-secondary: rgba(15, 23, 42, 0.66);
    --border-soft: rgba(99, 102, 241, 0.12);
    --border-strong: rgba(59, 130, 246, 0.32);
    --ring: rgba(59, 130, 246, 0.22);
}

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

body {
    margin: 0;
    font-family: var(--font-sans);
    background: var(--bg-body);
    color: var(--text-primary);
    min-height: 100vh;
    transition: background 0.6s ease, color 0.25s ease;
}

body.nav-open {
    overflow: hidden;
}

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

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

.page-shell {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    gap: 32px;
    padding: 32px clamp(18px, 5vw, 52px);
    margin: 0 auto;
    width: min(100%, var(--max-width));
}

.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    padding: clamp(18px, 3vw, 28px) clamp(22px, 4vw, 36px);
    border-radius: var(--radius-xl);
    background: var(--bg-surface);
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(18px);
}

.brand-link {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 1.32rem;
    letter-spacing: 0.02em;
}

.brand-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 16px;
    background: radial-gradient(circle at 30% 30%, #38bdf8, #3b82f6 60%, #1d4ed8);
    color: #fff;
    font-size: 1.5rem;
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.45);
}

.main-nav {
    flex: 1;
}

.desktop-nav ul {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
    justify-content: flex-end;
    align-items: center;
    gap: 10px;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    transition: var(--transition);
    font-weight: 500;
}

.nav-link svg {
    width: 18px;
    height: 18px;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.18), rgba(59, 130, 246, 0.06));
    box-shadow: inset 0 0 0 1px rgba(59, 130, 246, 0.1);
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 14px;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 46px;
    height: 46px;
    border-radius: 18px;
    border: 1px solid transparent;
    background: rgba(59, 130, 246, 0.12);
    color: var(--primary);
    cursor: pointer;
    padding: 10px 12px;
    transition: var(--transition);
}

.nav-toggle span {
    display: block;
    height: 2px;
    background: currentColor;
    border-radius: 999px;
    transform-origin: center;
    transition: var(--transition);
}

.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);
}

.nav-toggle:hover {
    border-color: var(--border-strong);
    box-shadow: 0 0 0 4px var(--ring);
}

.theme-toggle {
    border: none;
    border-radius: 18px;
    background: rgba(59, 130, 246, 0.14);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 12px;
    cursor: pointer;
    transition: var(--transition);
    color: var(--primary);
}

.theme-toggle:hover {
    box-shadow: 0 0 0 4px var(--ring);
}

.theme-icon {
    width: 22px;
    height: 22px;
}

.theme-icon.moon {
    display: none;
}

.theme-light .theme-icon.sun {
    display: none;
}

.theme-light .theme-icon.moon {
    display: block;
}

.mobile-nav {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: min(320px, 82vw);
    background: var(--bg-surface-strong);
    border-left: 1px solid var(--border-strong);
    box-shadow: var(--shadow-soft);
    transform: translateX(110%);
    transition: transform 0.35s ease;
    padding: 26px;
    display: flex;
    flex-direction: column;
    gap: 18px;
    z-index: 120;
    backdrop-filter: blur(16px);
}

.mobile-nav.is-open {
    transform: translateX(0);
}

.mobile-nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    font-size: 1.1rem;
}

.nav-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--text-primary);
    padding: 6px;
    border-radius: 50%;
    cursor: pointer;
}

.mobile-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 10px;
}

.mobile-nav .nav-link {
    width: 100%;
    padding: 14px 18px;
    border-radius: var(--radius-md);
    background: rgba(15, 23, 42, 0.28);
    border: 1px solid transparent;
    font-size: 1.02rem;
}

.theme-light .mobile-nav .nav-link {
    background: rgba(255, 255, 255, 0.72);
}

.mobile-nav .nav-link:hover,
.mobile-nav .nav-link.active {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.35), rgba(59, 130, 246, 0.18));
    border-color: rgba(59, 130, 246, 0.4);
    color: #fff;
}

.theme-light .mobile-nav .nav-link:hover,
.theme-light .mobile-nav .nav-link.active {
    color: #0f172a;
}

.mobile-theme {
    margin-top: auto;
    display: flex;
    justify-content: flex-start;
}

.nav-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.55);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 100;
}

.nav-backdrop.is-active {
    opacity: 1;
    pointer-events: auto;
}

.app-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.app-main > * {
    width: min(100%, var(--panel-max));
    margin: 0 auto;
}

.glass-panel {
    background: var(--bg-surface);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-xl);
    padding: clamp(26px, 5vw, 48px);
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(18px);
    position: relative;
    overflow: hidden;
}

.glass-panel::after {
    content: "";
    position: absolute;
    inset: 12% 18%;
    background: radial-gradient(circle at top, var(--bg-glow), transparent 65%);
    opacity: 0.55;
    z-index: -1;
    pointer-events: none;
}

.app-footer.glass-panel::after,
.auth-card.glass-panel::after {
    display: none;
}

.hero {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    align-items: center;
    gap: clamp(32px, 6vw, 64px);
    width: 100%;
}

.hero h1 {
    font-size: clamp(2.4rem, 4vw, 3.4rem);
    line-height: 1.05;
    margin-bottom: 18px;
}

.hero p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    max-width: 520px;
}

.hero-visual svg {
    width: min(100%, 400px);
    max-width: 100%;
    filter: drop-shadow(0 30px 50px rgba(59, 130, 246, 0.28));
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 22px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 18px;
    padding: 13px 24px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn.primary {
    background: linear-gradient(135deg, #256dff, #1d4ed8);
    color: #fff;
    box-shadow: var(--shadow-float);
}

.btn.glow {
    background: linear-gradient(135deg, #3b82f6, #a855f7);
    color: #fff;
    box-shadow: 0 16px 36px rgba(99, 102, 241, 0.35);
}

.btn.ghost {
    border: 1px solid rgba(59, 130, 246, 0.32);
    color: var(--primary);
    background: transparent;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 18px 36px rgba(59, 130, 246, 0.32);
}

.btn.ghost:hover {
    background: rgba(59, 130, 246, 0.14);
    box-shadow: none;
}

.section-heading {
    margin-bottom: 26px;
}

.section-heading h2 {
    font-size: clamp(1.8rem, 2.8vw, 2.4rem);
    margin-bottom: 10px;
}

.section-heading p {
    color: var(--text-secondary);
    max-width: 560px;
}

.pricing .plan-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.plan-card {
    position: relative;
    text-align: left;
    border-radius: var(--radius-lg);
    padding: 32px;
    background: var(--bg-surface-strong);
    border: 1px solid rgba(59, 130, 246, 0.12);
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.24);
}

.plan-card.featured {
    border-color: rgba(59, 130, 246, 0.45);
    box-shadow: 0 28px 50px rgba(59, 130, 246, 0.28);
    transform: translateY(-4px);
}

.plan-price {
    font-size: 2.3rem;
    font-weight: 700;
    margin: 10px 0 22px;
}

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

.plan-benefits li {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-secondary);
    font-size: 0.98rem;
}

.plan-benefits svg {
    width: 18px;
    height: 18px;
}

.features .feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 26px;
}

.feature-card {
    padding: 28px;
    background: var(--bg-surface-strong);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(59, 130, 246, 0.16);
    box-shadow: 0 16px 36px rgba(15, 23, 42, 0.2);
}

.cta {
    display: flex;
    flex-direction: column;
    gap: 18px;
    align-items: flex-start;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.65), rgba(99, 102, 241, 0.68));
    color: #f8fafc;
}

.cta .btn {
    background: #0f172a;
    box-shadow: none;
}

.form-split {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: clamp(32px, 5vw, 56px);
    align-items: start;
}

.form-copy h1 {
    margin-bottom: 16px;
    font-size: clamp(2rem, 3vw, 2.6rem);
}

.form-copy p {
    color: var(--text-secondary);
    font-size: 1.02rem;
}

.bullets {
    list-style: none;
    padding: 0;
    margin: 24px 0 0;
    display: grid;
    gap: 12px;
}

.bullets li {
    position: relative;
    padding-left: 26px;
    color: var(--text-secondary);
}

.bullets li::before {
    content: "";
    position: absolute;
    top: 9px;
    left: 4px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: linear-gradient(135deg, #3b82f6, #a855f7);
    box-shadow: 0 0 8px rgba(59, 130, 246, 0.5);
}

.logo-lab {
    position: relative;
}

.ai-preview {
    margin-top: clamp(22px, 4vw, 36px);
    display: grid;
    gap: 18px;
}

.preview-card {
    background: var(--bg-surface-strong);
    border-radius: var(--radius-lg);
    padding: 22px;
    border: 1px solid rgba(59, 130, 246, 0.18);
    box-shadow: 0 18px 42px rgba(15, 23, 42, 0.26);
    display: grid;
    gap: 18px;
}

.preview-card.secondary {
    background: rgba(15, 23, 42, 0.78);
    color: #e2e8f0;
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-radius: 999px;
    background: rgba(59, 130, 246, 0.18);
    color: var(--primary);
    font-weight: 600;
}

.preview-card.secondary .chip {
    background: rgba(148, 163, 184, 0.24);
    color: #e2e8f0;
}

.preview-mock {
    --preview-color: #3b82f6;
    display: flex;
    align-items: center;
    gap: 18px;
    border-radius: var(--radius-lg);
    padding: 20px 22px;
    background: linear-gradient(135deg, var(--preview-color), rgba(15, 23, 42, 0.88));
    color: #f8fafc;
    box-shadow: 0 16px 38px rgba(15, 23, 42, 0.35);
    transition: background 0.4s ease;
}

.preview-icon {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    background: rgba(15, 23, 42, 0.4);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    font-weight: 700;
    box-shadow: inset 0 0 18px rgba(255, 255, 255, 0.16);
}

.preview-text strong {
    font-size: 1.15rem;
}

.preview-text small {
    color: rgba(248, 250, 252, 0.8);
}

.preview-card img {
    width: 100%;
    border-radius: var(--radius-md);
    background: rgba(15, 23, 42, 0.9);
    box-shadow: 0 20px 44px rgba(59, 130, 246, 0.32);
}

.preview-note {
    color: rgba(226, 232, 240, 0.75);
}

.theme-light .preview-card.secondary {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.25), rgba(14, 165, 233, 0.18));
    color: #0f172a;
}

.theme-light .preview-card.secondary .preview-note {
    color: rgba(15, 23, 42, 0.7);
}

.theme-light .preview-card img {
    background: rgba(248, 250, 252, 0.86);
}

.stacked-form {
    display: grid;
    gap: 18px;
}

label span {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
}

input,
select,
textarea {
    width: 100%;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-soft);
    background: rgba(15, 23, 42, 0.08);
    color: inherit;
    padding: 13px 16px;
    font-size: 1rem;
    transition: var(--transition);
    box-shadow: inset 0 0 0 1px transparent;
}

.theme-light input,
.theme-light select,
.theme-light textarea {
    background: rgba(248, 250, 252, 0.85);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: rgba(59, 130, 246, 0.55);
    box-shadow: 0 0 0 4px var(--ring);
}

.pill-toggle {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.pill {
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    transition: var(--transition);
    background: rgba(15, 23, 42, 0.08);
}

.theme-light .pill {
    background: rgba(255, 255, 255, 0.86);
}

.pill:hover {
    border-color: rgba(59, 130, 246, 0.4);
}

.pill input {
    display: none;
}

.pill span {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.pill strong {
    font-size: 1rem;
}

.pill small {
    color: var(--text-secondary);
}

.pill input:checked + span,
input[type="radio"]:checked + span {
    color: #fff;
}

.pill input:checked + span {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.86), rgba(168, 85, 247, 0.68));
    border-radius: var(--radius-sm);
    padding: 10px 16px;
    box-shadow: 0 14px 28px rgba(59, 130, 246, 0.26);
}

.alert {
    padding: 16px 18px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: opacity 0.6s ease, transform 0.6s ease;
    border: 1px solid transparent;
}

.alert.success {
    background: rgba(34, 197, 94, 0.12);
    color: #4ade80;
    border-color: rgba(34, 197, 94, 0.22);
}

.alert.error {
    background: rgba(239, 68, 68, 0.12);
    color: #f87171;
    border-color: rgba(239, 68, 68, 0.22);
}

.alert.fade-out {
    opacity: 0;
    transform: translateY(-6px);
}

.table-wrap {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 640px;
    background: var(--bg-surface-strong);
    border-radius: var(--radius-md);
    overflow: hidden;
}

thead {
    background: rgba(59, 130, 246, 0.16);
}

th,
td {
    text-align: left;
    padding: 16px 18px;
    border-bottom: 1px solid rgba(148, 163, 184, 0.12);
}

.status.success {
    color: #4ade80;
}

.status.pending {
    color: #facc15;
}

.status.failed {
    color: #f87171;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.stat-card {
    text-align: left;
    background: var(--bg-surface-strong);
    border-radius: var(--radius-lg);
    padding: 28px;
    border: 1px solid rgba(59, 130, 246, 0.16);
}

.stat-value {
    font-size: 2.3rem;
    font-weight: 700;
    margin: 12px 0;
}

.order-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 26px;
}

.order-card {
    background: var(--bg-surface-strong);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(59, 130, 246, 0.12);
    box-shadow: 0 22px 44px rgba(15, 23, 42, 0.32);
}

.order-preview {
    background: rgba(15, 23, 42, 0.78);
    padding: 20px;
}

.order-preview img,
.order-preview svg {
    width: 100%;
    border-radius: var(--radius-md);
    background: #0f172a;
}

.order-meta {
    padding: 24px;
    display: grid;
    gap: 18px;
}

.order-meta dl {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 12px;
    margin: 0;
}

.order-meta dt {
    font-size: 0.74rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
}

.order-meta dd {
    margin: 0;
    font-weight: 600;
}

.order-actions {
    display: flex;
    gap: 12px;
}

.auth-card {
    max-width: 520px;
    margin: 0 auto;
    text-align: left;
}

.switch-link {
    margin-top: 18px;
    color: var(--text-secondary);
}

.wallet-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
}

.wallet-balance {
    display: flex;
    flex-direction: column;
    gap: 6px;
    text-align: right;
    font-weight: 600;
    font-size: 1.4rem;
}

.wallet-actions .hint {
    margin-top: 16px;
    color: var(--text-secondary);
}

.inline-form {
    display: flex;
    align-items: flex-end;
    gap: 16px;
    flex-wrap: wrap;
}

.inline-form label {
    flex: 1;
    min-width: 220px;
}

.contact-card {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 46px;
}

.contact-meta {
    list-style: none;
    padding: 0;
    margin: 18px 0 0;
    display: grid;
    gap: 12px;
    color: var(--text-secondary);
}

.legal {
    line-height: 1.64;
}

.legal h1 {
    margin-top: 0;
}

.legal h2 {
    margin-top: 32px;
    color: var(--primary);
}

.app-footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    text-align: center;
    padding: 28px;
    border-radius: var(--radius-xl);
    background: var(--bg-surface);
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-soft);
}

.footer-links {
    display: flex;
    gap: 22px;
    flex-wrap: wrap;
}

@media (max-width: 980px) {
    .desktop-nav {
        display: none;
    }

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

    .app-main > * {
        width: min(100%, calc(100%));
    }
}

@media (max-width: 760px) {
    .page-shell {
        padding: 22px clamp(16px, 6vw, 32px);
        gap: 26px;
    }

    .glass-panel {
        padding: 24px;
        border-radius: var(--radius-lg);
    }

    table {
        min-width: 100%;
    }

    .wallet-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 520px) {
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
    }

    .inline-form {
        flex-direction: column;
        align-items: stretch;
    }
}