/**
 * CAD17 Pro Max Design Layer
 * Based on ui-ux-pro-max-skill: SaaS + B2B + Glassmorphism
 * Brand: KB17 palette (#004CAE), Montserrat, container 1280px
 */

/* ==================== EXTENDED TOKENS ==================== */
:root {
    --surface: #ffffff;
    --surface-raised: #fafcff;
    --surface-muted: #f4f8ff;
    --surface-glass: rgba(255, 255, 255, 0.72);
    --surface-glass-strong: rgba(255, 255, 255, 0.88);
    --border-subtle: rgba(0, 76, 174, 0.08);
    --border-glass: rgba(255, 255, 255, 0.65);
    --glow-primary: 0 0 80px rgba(0, 76, 174, 0.12);
    --glow-soft: 0 24px 64px rgba(0, 76, 174, 0.08);
    --ease-spring: cubic-bezier(0.34, 1.2, 0.64, 1);
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --focus-ring: 0 0 0 3px rgba(0, 76, 174, 0.22);
    --grid-line: rgba(0, 76, 174, 0.04);
    --header-height: 72px;
}

/* ==================== GLOBAL AMBIENT ==================== */
.ambient-bg {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    overflow: hidden;
    background:
        linear-gradient(180deg, var(--surface) 0%, var(--primary-bg) 45%, var(--surface) 100%);
}

.ambient-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 20%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 20%, transparent 75%);
}

.ambient-bg__orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.45;
    animation: ambientFloat 18s ease-in-out infinite;
}

.ambient-bg__orb--1 {
    width: 520px;
    height: 520px;
    top: -120px;
    right: -80px;
    background: radial-gradient(circle, rgba(53, 141, 255, 0.35) 0%, transparent 70%);
}

.ambient-bg__orb--2 {
    width: 420px;
    height: 420px;
    bottom: 10%;
    left: -100px;
    background: radial-gradient(circle, rgba(0, 76, 174, 0.2) 0%, transparent 70%);
    animation-delay: -6s;
}

.ambient-bg__orb--3 {
    width: 300px;
    height: 300px;
    top: 40%;
    right: 15%;
    background: radial-gradient(circle, rgba(128, 183, 255, 0.25) 0%, transparent 70%);
    animation-delay: -12s;
}

@keyframes ambientFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(-24px, 16px) scale(1.04); }
    66% { transform: translate(18px, -20px) scale(0.96); }
}

body {
    background: transparent;
    color: var(--secondary);
}

/* ==================== ACCESSIBILITY ==================== */
.skip-link {
    position: absolute;
    top: -100px;
    left: 16px;
    z-index: 10001;
    padding: 10px 18px;
    background: var(--primary);
    color: white;
    border-radius: var(--radius-pill);
    font-size: 14px;
    font-weight: 600;
    box-shadow: var(--shadow-primary);
    transition: top 0.2s var(--ease-out-expo);
}

.skip-link:focus {
    top: 12px;
    outline: none;
    box-shadow: var(--focus-ring), var(--shadow-primary);
}

:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

a, button, .card--interactive, .order-card, .nav-link, .tab, .upload-zone {
    cursor: pointer;
}

button:disabled, .btn:disabled {
    cursor: not-allowed;
}

/* ==================== HEADER — PREMIUM GLASS ==================== */
.header {
    background: var(--surface-glass);
    border-bottom: 1px solid var(--border-subtle);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.8) inset;
}

.header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 76, 174, 0.35), rgba(53, 141, 255, 0.5), rgba(0, 76, 174, 0.35), transparent);
    opacity: 0.6;
}

.header.scrolled {
    background: var(--surface-glass-strong);
    box-shadow: 0 8px 32px rgba(0, 29, 59, 0.06), 0 1px 0 rgba(255, 255, 255, 0.9) inset;
}

.logo-icon {
    position: relative;
    border-radius: 14px;
}

.logo-icon i {
    position: relative;
    z-index: 1;
}

.logo-icon::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.35) 0%, transparent 55%);
    pointer-events: none;
}

.nav-link {
    position: relative;
    min-height: 40px;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 18px;
    height: 3px;
    border-radius: 3px;
    background: var(--gradient-primary);
}

/* ==================== BUTTONS — REFINED ==================== */
.btn {
    letter-spacing: 0.01em;
    transition: transform 0.22s var(--ease-spring), box-shadow 0.22s var(--ease-out-expo), background 0.22s ease, border-color 0.22s ease, color 0.22s ease;
}

.btn--primary {
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.15) inset;
}

.btn--outline {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.btn--outline:hover {
    background: var(--primary-bg);
    box-shadow: var(--glow-soft);
}

.btn:focus-visible {
    box-shadow: var(--focus-ring), var(--shadow-primary);
}

/* ==================== CARDS — GLASS ELEVATION ==================== */
.card {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.98) 0%, rgba(250, 252, 255, 0.95) 100%);
    border: 1px solid var(--border-subtle);
    box-shadow:
        0 1px 2px rgba(0, 29, 59, 0.03),
        0 8px 24px rgba(0, 76, 174, 0.04);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.9), transparent);
    pointer-events: none;
}

.card:hover {
    border-color: rgba(0, 76, 174, 0.18);
    box-shadow:
        0 4px 8px rgba(0, 29, 59, 0.04),
        0 20px 48px rgba(0, 76, 174, 0.1);
    transform: translateY(-6px);
}

/* ==================== HERO — ENGINEERING SHOWCASE ==================== */
.hero {
    background: transparent;
    padding: calc(var(--header-height) + 68px) 0 108px;
}

.hero::before {
    background:
        radial-gradient(ellipse 70% 50% at 20% 20%, rgba(0, 76, 174, 0.07) 0%, transparent 60%),
        radial-gradient(ellipse 50% 40% at 85% 30%, rgba(53, 141, 255, 0.06) 0%, transparent 55%),
        var(--gradient-mesh);
}

.hero__badge {
    background: var(--surface-glass-strong);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(0, 76, 174, 0.14);
    box-shadow: var(--glow-soft);
}

.hero__title {
    letter-spacing: -0.03em;
    text-wrap: balance;
}

.hero__desc {
    text-wrap: pretty;
}

.hero__stats {
    background: var(--surface-glass-strong);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 24px 32px;
    margin-top: 8px;
}

.hero__mockup {
    transform: perspective(1200px) rotateY(-6deg) rotateX(4deg);
    transition: transform 0.5s var(--ease-out-expo), box-shadow 0.5s var(--ease-out-expo);
    box-shadow:
        0 24px 64px rgba(0, 29, 59, 0.12),
        0 0 0 1px rgba(0, 76, 174, 0.06);
}

.hero__visual:hover .hero__mockup {
    transform: perspective(1200px) rotateY(-2deg) rotateX(2deg) translateY(-8px);
    box-shadow:
        0 32px 80px rgba(0, 76, 174, 0.18),
        var(--glow-primary);
}

.mockup__header {
    background: linear-gradient(180deg, var(--surface-muted) 0%, var(--gray-50) 100%);
}

/* ==================== SECTIONS ==================== */
.section {
    position: relative;
}

.section--gray {
    background: linear-gradient(180deg, var(--surface-muted) 0%, var(--surface) 100%);
}

.section__tag {
    background: var(--surface-glass-strong);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-size: 11px;
}

.section__title {
    text-wrap: balance;
    letter-spacing: -0.025em;
}

.section__subtitle {
    text-wrap: pretty;
}

/* Bento grid — audience (5 cards) */
@media (min-width: 1024px) {
    .section:has(.audience-card) .grid--3 {
        grid-template-columns: repeat(6, 1fr);
        gap: 20px;
    }

    .section:has(.audience-card) .audience-card:nth-child(1),
    .section:has(.audience-card) .audience-card:nth-child(2) {
        grid-column: span 3;
    }

    .section:has(.audience-card) .audience-card:nth-child(3),
    .section:has(.audience-card) .audience-card:nth-child(4),
    .section:has(.audience-card) .audience-card:nth-child(5) {
        grid-column: span 2;
    }
}

/* Feature cards — equal height polish */
.grid .card.feature-card,
.grid .card.step-card,
.grid .card.audience-card,
.grid .card.pricing-card {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.feature-card__icon,
.step-card__num,
.audience-card__icon {
    box-shadow: 0 8px 20px rgba(0, 76, 174, 0.12);
}

/* ==================== APPROACH (Подход) ==================== */
.section--approach {
    position: relative;
}

.approach-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    gap: 0;
    align-items: stretch;
    max-width: 1120px;
    margin: 0 auto;
}

.approach-grid__connector {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 48px;
    flex-shrink: 0;
    position: relative;
}

.approach-grid__line {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, rgba(0, 76, 174, 0.08), rgba(0, 76, 174, 0.25), rgba(0, 76, 174, 0.08));
    transform: translateY(-50%);
}

.approach-grid__arrow {
    position: relative;
    z-index: 1;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: white;
    border: 1px solid rgba(0, 76, 174, 0.15);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 11px;
}

.approach-card {
    display: flex;
    flex-direction: column;
    padding: 28px 26px 30px;
    text-align: left;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.approach-card__step {
    position: absolute;
    top: 16px;
    right: 18px;
    font-size: 42px;
    font-weight: 800;
    line-height: 1;
    color: rgba(0, 76, 174, 0.06);
    letter-spacing: -2px;
    pointer-events: none;
    user-select: none;
}

.approach-card__icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 20px;
    flex-shrink: 0;
    transition: var(--transition-bounce);
}

.approach-card__icon--blue {
    background: linear-gradient(135deg, var(--primary-bg), var(--primary-bg2));
    color: var(--primary);
    box-shadow: 0 8px 24px rgba(0, 76, 174, 0.14);
}

.approach-card__icon--green {
    background: linear-gradient(135deg, var(--success-bg), #d1fae5);
    color: var(--success-dark);
    box-shadow: 0 8px 24px rgba(16, 185, 129, 0.14);
}

.approach-card__icon--orange {
    background: linear-gradient(135deg, var(--warning-bg), #fef3c7);
    color: var(--warning);
    box-shadow: 0 8px 24px rgba(245, 158, 11, 0.14);
}

.approach-card:hover .approach-card__icon {
    transform: scale(1.06) translateY(-2px);
}

.approach-card__body {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.approach-card__title {
    font-size: 18px;
    font-weight: 800;
    color: var(--gray-900);
    letter-spacing: -0.35px;
    line-height: 1.25;
    margin-bottom: 12px;
}

.approach-card__text {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.7;
    flex: 1;
}

.approach-card--engineer {
    border: 2px solid rgba(0, 76, 174, 0.22);
    box-shadow: var(--glow-soft), var(--shadow-md);
    transform: translateY(-6px);
}

.approach-card--engineer::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(160deg, rgba(238, 246, 255, 0.5) 0%, transparent 55%);
    pointer-events: none;
}

.approach-card--engineer .approach-card__step {
    color: rgba(0, 76, 174, 0.1);
}

.approach-card--engineer:hover {
    border-color: rgba(0, 76, 174, 0.35);
    box-shadow: var(--glow-primary), var(--shadow-lg);
}

.approach-card--ai:hover,
.approach-card--speed:hover {
    border-color: rgba(0, 76, 174, 0.15);
}

@media (max-width: 1024px) {
    .approach-grid {
        grid-template-columns: 1fr;
        gap: 0;
        max-width: 520px;
    }

    .approach-grid__connector {
        width: auto;
        height: 36px;
        flex-direction: row;
        padding: 4px 0;
    }

    .approach-grid__line {
        top: 0;
        bottom: 0;
        left: 50%;
        right: auto;
        width: 2px;
        height: auto;
        transform: translateX(-50%);
        background: linear-gradient(180deg, rgba(0, 76, 174, 0.08), rgba(0, 76, 174, 0.25), rgba(0, 76, 174, 0.08));
    }

    .approach-grid__arrow {
        transform: rotate(90deg);
    }

    .approach-card--engineer {
        transform: none;
    }

    .approach-card {
        padding: 24px 22px 26px;
    }

    .approach-card__step {
        font-size: 36px;
        top: 14px;
        right: 16px;
    }
}

/* ==================== FORMATS (Два формата работы) ==================== */
.section--formats {
    background: linear-gradient(180deg, var(--surface) 0%, var(--surface-muted) 50%, var(--surface) 100%);
}

.formats-comparison {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 20px;
    align-items: stretch;
    max-width: 1080px;
    margin: 0 auto;
}

.formats-comparison__divider {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
}

.formats-comparison__divider span {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: white;
    border: 2px solid var(--border-subtle);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.format-card {
    display: flex;
    flex-direction: column;
    padding: 0;
    text-align: left;
    cursor: pointer;
    overflow: hidden;
    height: 100%;
}

.format-card__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 28px 28px 0;
}

.format-card__icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.format-card__icon--fast {
    background: linear-gradient(135deg, var(--success-bg), #d1fae5);
    color: var(--success-dark);
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.15);
}

.format-card__icon--pro {
    background: linear-gradient(135deg, var(--primary-bg), var(--primary-bg2));
    color: var(--primary);
    box-shadow: 0 8px 20px rgba(0, 76, 174, 0.15);
}

.format-card__intro {
    padding: 20px 28px 0;
}

.format-card__title {
    font-size: 22px;
    font-weight: 800;
    color: var(--gray-900);
    letter-spacing: -0.4px;
    margin-bottom: 10px;
    line-height: 1.2;
}

.format-card__desc {
    font-size: 15px;
    color: var(--gray-500);
    line-height: 1.65;
}

.format-card__metric {
    margin: 24px 28px 0;
    padding: 20px 22px;
    border-radius: var(--radius-md);
    background: var(--gray-50);
    border: 1px solid var(--gray-100);
    text-align: center;
}

.format-card__metric--pro {
    background: linear-gradient(135deg, var(--primary-bg) 0%, rgba(238, 246, 255, 0.6) 100%);
    border-color: rgba(0, 76, 174, 0.12);
}

.format-card__metric-value {
    display: block;
    font-size: 36px;
    font-weight: 800;
    color: var(--gray-900);
    letter-spacing: -0.8px;
    line-height: 1.1;
}

.format-card--pro .format-card__metric-value {
    font-size: 28px;
    letter-spacing: -0.4px;
}

.format-card__metric-label {
    display: block;
    margin-top: 6px;
    font-size: 13px;
    font-weight: 500;
    color: var(--gray-500);
}

.format-card__features-block {
    flex: 1;
    padding: 24px 28px 0;
    display: flex;
    flex-direction: column;
}

.format-card__features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 0;
}

.format-card__features li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-700);
    line-height: 1.45;
    padding: 0;
    border: none;
}

.format-card__features li i {
    color: var(--success);
    font-size: 12px;
    margin-top: 4px;
    flex-shrink: 0;
}

.format-card__action {
    padding: 24px 28px 28px;
    margin-top: auto;
}

.format-card--fast {
    border: 1px solid var(--border-subtle);
}

.format-card--fast:hover {
    border-color: rgba(16, 185, 129, 0.25);
}

.format-card--pro {
    border: 2px solid rgba(0, 76, 174, 0.28);
    box-shadow: var(--glow-primary), var(--shadow-md);
}

.format-card--pro:hover {
    border-color: rgba(0, 76, 174, 0.45);
    box-shadow: var(--glow-primary), var(--shadow-primary-lg);
}

@media (min-width: 900px) {
    .format-card--pro .format-card__features {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 10px 16px;
    }

    .format-card--pro .format-card__features li:last-child {
        grid-column: 1 / -1;
    }
}

@media (max-width: 899px) {
    .formats-comparison {
        grid-template-columns: 1fr;
        gap: 16px;
        max-width: 520px;
    }

    .formats-comparison__divider {
        padding: 4px 0;
    }

    .formats-comparison__divider span {
        width: 36px;
        height: 36px;
        font-size: 11px;
    }

    .format-card__head,
    .format-card__intro,
    .format-card__features-block,
    .format-card__action {
        padding-left: 22px;
        padding-right: 22px;
    }

    .format-card__metric {
        margin-left: 22px;
        margin-right: 22px;
    }

    .format-card__metric-value {
        font-size: 30px;
    }

    .format-card--pro .format-card__metric-value {
        font-size: 24px;
    }
}

/* ==================== PRICING (legacy) ==================== */
.pricing-card--featured {
    background: linear-gradient(160deg, rgba(255, 255, 255, 1) 0%, rgba(238, 246, 255, 0.95) 100%);
    border-color: rgba(0, 76, 174, 0.35);
    box-shadow: var(--glow-primary), var(--shadow-primary-lg);
}

.pricing-card--featured::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: radial-gradient(circle at 50% 0%, rgba(0, 76, 174, 0.06) 0%, transparent 55%);
    pointer-events: none;
}

/* ==================== KB17 STRIP & BANNER ==================== */
.kb17-footer-strip {
    background: linear-gradient(90deg, var(--secondary) 0%, var(--primary-darker) 50%, var(--secondary) 100%);
    border-top: 1px solid rgba(53, 141, 255, 0.2);
}

.kb17-banner {
    background:
        linear-gradient(135deg, var(--secondary) 0%, #0d1f3c 50%, var(--primary-darker) 100%);
}

.kb17-banner__mark {
    animation: none;
}

/* ==================== CTA ==================== */
.cta-section {
    background:
        linear-gradient(135deg, #004CAE 0%, #003E8B 40%, #358DFF 100%);
    position: relative;
}

.cta-section::before,
.cta-section::after {
    opacity: 0.7;
}

/* ==================== PAGE SHELLS ==================== */
.page__header {
    background: linear-gradient(180deg, var(--surface-muted) 0%, transparent 100%);
    border-bottom: 1px solid var(--border-subtle);
}

.page__body {
    background: transparent;
}

/* ==================== FORMS ==================== */
.input, .textarea, .select {
    background: var(--surface-glass-strong);
    border-color: rgba(0, 76, 174, 0.12);
    min-height: 46px;
}

.input:focus, .textarea:focus, .select:focus {
    background: white;
    box-shadow: var(--focus-ring);
}

.upload-zone {
    background: var(--surface-glass);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-color: rgba(0, 76, 174, 0.18);
}

.upload-zone:hover, .upload-zone.dragover {
    border-color: var(--primary);
    box-shadow: var(--glow-primary);
}

/* ==================== ORDER CARDS & LISTS ==================== */
.order-card {
    border-radius: var(--radius-lg);
    transition: transform 0.22s var(--ease-spring), box-shadow 0.22s ease, border-color 0.22s ease;
}

.order-card:hover {
    transform: translateX(4px);
}

.admin-table th {
    background: var(--surface-muted);
    font-weight: 700;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    font-size: 11px;
    color: var(--gray-600);
}

.admin-table tbody tr:hover td {
    background: var(--primary-bg);
}

.admin-stat-card {
    background: linear-gradient(145deg, white 0%, var(--primary-bg) 100%);
    border: 1px solid var(--border-subtle);
}

/* ==================== MODAL & TOAST ==================== */
.modal-overlay {
    background: rgba(0, 29, 59, 0.55);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.modal {
    background: var(--surface-glass-strong);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid var(--border-glass);
    box-shadow: 0 32px 80px rgba(0, 29, 59, 0.2);
    animation: modalIn 0.28s var(--ease-out-expo);
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.96) translateY(12px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.toast {
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 12px 40px rgba(0, 29, 59, 0.15);
}

/* ==================== LOGIN ==================== */
.login-page {
    background: transparent;
}

.login-card {
    background: var(--surface-glass-strong);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    box-shadow: var(--glow-soft), 0 24px 64px rgba(0, 29, 59, 0.08);
}

/* ==================== WIZARD / CHAT ==================== */
.wizard {
    border: 1px solid var(--border-subtle);
    box-shadow: var(--glow-soft);
    background: var(--surface);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.wizard__header {
    background: linear-gradient(90deg, var(--primary-bg) 0%, var(--surface-muted) 100%);
    border-bottom: 1px solid var(--border-subtle);
}

.wizard__msg--user .wizard__msg-bubble {
    background: var(--gradient-primary);
    box-shadow: var(--shadow-primary);
}

.wizard__msg--ai .wizard__msg-bubble {
    background: white;
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-sm);
}

/* ==================== VISION PANEL ==================== */
.vision-panel {
    margin-top: 16px;
}

.vision-panel__card {
    background: var(--surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    padding: 16px;
    box-shadow: var(--shadow-sm);
}

.vision-panel__head {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    margin-bottom: 12px;
}

.vision-panel__head > i {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    background: var(--primary-bg);
    color: var(--primary);
    flex-shrink: 0;
}

.vision-panel__title {
    font-size: 14px;
    font-weight: 700;
    color: var(--secondary);
}

.vision-panel__sub {
    font-size: 12px;
    color: var(--gray-500);
    margin-top: 2px;
}

.vision-panel__desc {
    font-size: 13px;
    color: var(--gray-600);
    line-height: 1.5;
    margin: 0 0 12px;
}

.vision-panel__loading,
.vision-panel__error {
    padding: 16px;
    text-align: center;
    font-size: 13px;
    color: var(--gray-500);
    background: var(--gray-50);
    border-radius: var(--radius-sm);
}

.vision-panel__error {
    color: var(--danger);
    background: var(--danger-bg, #fef2f2);
}

.vision-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
    margin-bottom: 12px;
}

.vision-table th,
.vision-table td {
    padding: 8px 10px;
    text-align: left;
    border-bottom: 1px solid var(--border-subtle);
}

.vision-table th {
    font-weight: 600;
    color: var(--gray-500);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.vision-conf {
    display: inline-block;
    width: 48px;
    height: 6px;
    background: var(--gray-200);
    border-radius: 3px;
    vertical-align: middle;
    margin-right: 4px;
    overflow: hidden;
}

.vision-conf__bar {
    height: 100%;
    background: var(--primary);
    border-radius: 3px;
}

.vision-panel__scale {
    padding: 12px;
    background: var(--warning-bg, #fffbeb);
    border: 1px solid rgba(245, 158, 11, 0.25);
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
}

.vision-panel__scale-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 10px;
}

.vision-panel__scale-row {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.vision-panel__scale-row .input {
    flex: 1;
    min-width: 100px;
}

.vision-panel__hint {
    font-size: 11px;
    color: var(--gray-500);
    margin-top: 8px;
}

.vision-panel__hitl {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 10px 12px;
    background: var(--primary-bg);
    border-radius: var(--radius-sm);
    font-size: 12px;
    color: var(--primary);
    line-height: 1.5;
}

.vision-panel__hitl--engineer {
    flex-direction: column;
    margin-top: 12px;
}

.vision-panel__hitl-title {
    font-weight: 700;
    font-size: 13px;
}

.vision-hitl-list {
    margin: 8px 0 0 18px;
    padding: 0;
    color: var(--secondary);
    font-size: 12px;
}

.analysis-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    margin-bottom: 10px;
    font-size: 13px;
}

.analysis-dims-note {
    font-size: 12px;
    color: var(--gray-600);
    margin: 0 0 12px;
    line-height: 1.5;
}

.chat-panel {
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    box-shadow: var(--glow-soft);
    overflow: hidden;
}

/* ==================== FOOTER ==================== */
.footer {
    background:
        linear-gradient(180deg, var(--secondary) 0%, #000f24 100%);
    border-top: 1px solid rgba(53, 141, 255, 0.15);
    padding: 0;
    overflow: hidden;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    right: -5%;
    width: 480px;
    height: 480px;
    background: radial-gradient(circle, rgba(0, 76, 174, 0.14) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.footer::after {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -8%;
    width: 360px;
    height: 360px;
    background: radial-gradient(circle, rgba(53, 141, 255, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

/* KB17 top bar */
.footer__kb17-bar {
    position: relative;
    z-index: 1;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    background: linear-gradient(90deg, rgba(0, 76, 174, 0.18) 0%, rgba(0, 46, 104, 0.08) 50%, rgba(0, 76, 174, 0.18) 100%);
}

.footer__kb17-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 18px 0;
    flex-wrap: wrap;
}

.footer__kb17-badge {
    display: flex;
    align-items: center;
    gap: 14px;
}

.footer__kb17-mark {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--gradient-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 900;
    letter-spacing: -0.5px;
    box-shadow: 0 8px 24px rgba(0, 76, 174, 0.35);
    flex-shrink: 0;
}

.footer__kb17-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.footer__kb17-label {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.45);
    font-weight: 500;
}

.footer__kb17-link {
    font-size: 15px;
    font-weight: 700;
    color: white;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}

.footer__kb17-link i {
    font-size: 11px;
    opacity: 0.6;
}

.footer__kb17-link:hover {
    color: var(--primary-lighter);
}

.footer__kb17-divider {
    width: 1px;
    height: 36px;
    background: rgba(255, 255, 255, 0.1);
    flex-shrink: 0;
}

.footer__kb17-tagline {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.5;
    flex: 1;
    text-align: right;
}

.footer__kb17-tagline strong {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 700;
}

/* Main grid */
.footer__main {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.4fr 1fr 1.1fr;
    gap: 48px;
    padding: 56px 0 40px;
}

.footer__brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
    transition: var(--transition);
}

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

.footer__logo .logo-icon {
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 16px rgba(0, 76, 174, 0.25);
}

.footer__logo .logo-name { color: white; }
.footer__logo .logo-tag { color: rgba(255, 255, 255, 0.35); }

.footer__desc {
    font-size: 14px;
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 22px;
    max-width: 340px;
}

.footer__socials {
    display: flex;
    gap: 10px;
    margin-bottom: 22px;
}

.footer__socials a {
    width: 42px;
    height: 42px;
    border-radius: 11px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: rgba(255, 255, 255, 0.55);
    transition: var(--transition);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.footer__socials a:hover {
    background: rgba(0, 76, 174, 0.35);
    border-color: rgba(53, 141, 255, 0.4);
    color: white;
    transform: translateY(-3px);
}

.footer__cta-btn {
    box-shadow: var(--shadow-primary);
}

/* Link columns */
.footer__links-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.footer__col-title {
    color: white;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 18px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer__nav {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.footer__nav a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 0;
    font-size: 14px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.5);
    transition: var(--transition);
    border-radius: var(--radius-xs);
}

.footer__nav a::before {
    content: '';
    width: 0;
    height: 2px;
    background: var(--primary-light);
    border-radius: 2px;
    transition: width 0.22s var(--ease-out-expo);
    flex-shrink: 0;
}

.footer__nav a:hover {
    color: white;
    padding-left: 4px;
}

.footer__nav a:hover::before {
    width: 12px;
}

/* Contact card */
.footer__contact-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: 24px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.footer__contact-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.footer__contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.footer__contact-icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: rgba(0, 76, 174, 0.2);
    border: 1px solid rgba(53, 141, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-lighter);
    font-size: 14px;
    flex-shrink: 0;
}

.footer__contact-label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.35);
    margin-bottom: 3px;
}

.footer__contact-list a {
    font-size: 14px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.85);
    transition: var(--transition);
}

.footer__contact-list a:hover {
    color: var(--primary-lighter);
}

.footer__contact-value {
    font-size: 14px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.7);
}

/* Trust badges */
.footer__trust {
    position: relative;
    z-index: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 0 0 32px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.footer__trust-badge {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 14px;
    border-radius: var(--radius-pill);
    font-size: 12px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.65);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.footer__trust-badge i {
    color: var(--success);
    font-size: 11px;
}

/* Bottom bar */
.footer__bottom {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 22px 0 28px;
    flex-wrap: wrap;
    border-top: none;
}

.footer__copy {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.35);
}

.footer__legal {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.footer__legal a {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.35);
    transition: var(--transition);
}

.footer__legal a:hover {
    color: white;
}

.footer__legal-dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
}

/* Responsive */
@media (max-width: 1024px) {
    .footer__main {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }

    .footer__brand {
        grid-column: 1 / -1;
        flex-direction: row;
        flex-wrap: wrap;
        align-items: center;
        gap: 0 32px;
    }

    .footer__desc {
        flex: 1 1 280px;
        max-width: none;
        margin-bottom: 0;
    }

    .footer__socials {
        margin-bottom: 0;
    }

    .footer__cta-btn {
        width: 100%;
        margin-top: 8px;
    }

    .footer__contact-card {
        grid-column: 1 / -1;
    }

    .footer__kb17-tagline {
        text-align: left;
        flex: 1 1 100%;
    }

    .footer__kb17-divider {
        display: none;
    }
}

@media (max-width: 768px) {
    .footer__main {
        grid-template-columns: 1fr;
        gap: 32px;
        padding: 40px 0 32px;
    }

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

    .footer__desc {
        margin-bottom: 16px;
    }

    .footer__links-grid {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }

    .footer__kb17-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 14px;
        padding: 16px 0;
    }

    .footer__kb17-tagline {
        font-size: 13px;
    }

    .footer__bottom {
        flex-direction: column;
        text-align: center;
        padding-bottom: 24px;
    }

    .footer__legal {
        justify-content: center;
    }

    .footer__trust {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .footer__links-grid {
        grid-template-columns: 1fr;
    }

    .footer__trust-badge {
        font-size: 11px;
        padding: 7px 12px;
    }
}

/* ==================== TABS & BADGES ==================== */
.tabs {
    background: var(--surface-muted);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-pill);
    padding: 4px;
}

.tab.active {
    background: white;
    box-shadow: var(--shadow-sm);
    color: var(--primary);
}

.badge {
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

/* ==================== STATUS TIMELINE ==================== */
.status-step.active .status-step__dot {
    box-shadow: 0 0 0 4px rgba(0, 76, 174, 0.12), var(--glow-soft);
}

/* ==================== SCROLL REVEAL POLISH ==================== */
[data-reveal] {
    transition-duration: 0.55s;
    transition-timing-function: var(--ease-out-expo);
}

.section__header[data-reveal].reveal-visible .section__tag {
    animation: tagPop 0.5s var(--ease-spring) 0.1s both;
}

@keyframes tagPop {
    from { opacity: 0; transform: translateY(8px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

/* ==================== MOBILE MENU GLASS ==================== */
@media (max-width: 768px) {
    .header__nav.mobile-open {
        background: var(--surface-glass-strong);
        backdrop-filter: blur(24px) saturate(180%);
        -webkit-backdrop-filter: blur(24px) saturate(180%);
        border-bottom: 1px solid var(--border-subtle);
    }
}

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

    .hero__mockup {
        transform: none !important;
    }

    [data-reveal] {
        opacity: 1;
        transform: none;
    }

    .ambient-bg__orb {
        animation: none;
    }
}