/* ============================================================
   SILVER SNOW VERTEX — Design System
   Aligned with SILVER_SNOW_DESIGN_SYSTEM.md
   Dark theme variant (midnight) of the Silver Snow family style
   ============================================================ */

/* ============================================================
   DESIGN TOKENS
   ============================================================ */
:root {
    /* Background */
    --bg-deep: #060a14;
    --bg-section: #0a0f1a;
    --bg-elevated: rgba(180, 167, 214, 0.03);
    --bg-card: rgba(180, 167, 214, 0.025);
    --bg-card-hover: rgba(180, 167, 214, 0.06);

    /* Text — SSS gray scale adapted for dark bg */
    --text-primary: #eae8f0;
    /* headings, strong text */
    --text-secondary: #b0adc0;
    /* body text — light weight */
    --text-muted: #6e6b80;
    /* labels, separators, captions */

    /* Accent — SSS blue-600 adapted for dark */
    --accent-blue: #6b8afd;
    /* links, interactive */
    --accent-blue-hover: #8da4ff;
    --accent-lavender: #b4a7d6;
    /* brand accent */
    --accent-glow: rgba(180, 167, 214, 0.08);

    /* Borders */
    --border-subtle: rgba(180, 167, 214, 0.06);
    --border-hover: rgba(180, 167, 214, 0.14);
    --border-active: rgba(180, 167, 214, 0.22);

    /* Typography — SSS Inter stack */
    --font-sans: 'Inter', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-light: 300;
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;

    /* Spacing — SSS scale */
    --space-4: 1rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-24: 6rem;

    /* Layout */
    --header-height: 64px;
    --max-width: 960px;
    /* SSS max-w-5xl equivalent */
    --transition: 280ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================================
   RESET / BASE
   ============================================================ */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: var(--font-sans);
    font-weight: var(--font-light);
    font-size: 1rem;
    line-height: 1.625;
    color: var(--text-secondary);
    background: var(--bg-deep);
    background-image:
        radial-gradient(ellipse 80% 50% at 50% 0%, rgba(107, 90, 160, 0.06) 0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 80% 100%, rgba(107, 138, 253, 0.03) 0%, transparent 50%);
    background-attachment: fixed;
    overflow-x: hidden;
}

a {
    color: var(--accent-blue);
    text-decoration: none;
    font-weight: var(--font-medium);
    transition: color var(--transition);
}

a:hover {
    text-decoration: underline;
    color: var(--accent-blue-hover);
}

a:focus-visible {
    outline: 2px solid var(--accent-lavender);
    outline-offset: 2px;
}

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

/* ============================================================
   AMBIENT GLOW — removed per user request
   ============================================================ */
.ambient-glow {
    display: none;
}

/* ============================================================
   HEADER — SSS 3-zone pattern (left logo, center nav, right lang)
   ============================================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    height: var(--header-height);
    background: rgba(8, 12, 22, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-subtle);
    transition: all var(--transition);
}

.header-scrolled {
    height: 56px;
    background: rgba(8, 12, 22, 0.95);
}

/* SSS 3-column grid: [Logo]  [Nav Links]  [Lang | Contact] */
.nav-container {
    max-width: 100%;
    margin: 0 auto;
    height: 100%;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    padding: 0 2rem;
}

/* Logo — SSS brand name pattern */
.nav-logo {
    display: flex;
    align-items: baseline;
    gap: 0.375rem;
    text-decoration: none;
    color: var(--text-primary);
}

.nav-logo:hover {
    text-decoration: none;
}

.nav-logo-text {
    font-size: 1.125rem;
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-primary);
}

.nav-logo-vertex {
    font-size: 1.25rem;
    font-weight: var(--font-bold);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent-lavender);
}

/* Center zone: Navigation links */
.nav-center {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
}

.nav-center a {
    font-size: 0.8125rem;
    font-weight: var(--font-medium);
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--transition);
    letter-spacing: 0.01em;
}

.nav-center a:hover {
    color: var(--text-primary);
    text-decoration: none;
}

/* Right zone: Language switcher + Contact */
.nav-right {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 1.25rem;
}

.nav-contact {
    font-size: 0.8125rem !important;
    font-weight: var(--font-medium) !important;
    color: var(--text-primary) !important;
    text-decoration: none !important;
    transition: color var(--transition);
}

.nav-contact:hover {
    color: var(--text-secondary) !important;
    text-decoration: none !important;
}

/* Language switcher — SSS EN | ES pattern */
.nav-lang-group {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.75rem;
    font-weight: var(--font-medium);
}

.nav-lang-active {
    color: var(--text-primary);
}

.nav-lang-sep {
    color: var(--text-muted);
    opacity: 0.4;
}

.nav-lang-link {
    color: var(--text-muted) !important;
    font-size: 0.75rem !important;
}

.nav-lang-link:hover {
    color: var(--text-secondary) !important;
    text-decoration: none !important;
}

/* Hamburger */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 4px;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle-bar {
    display: block;
    width: 20px;
    height: 1.5px;
    background: var(--text-primary);
    transition: all var(--transition);
}

.nav-toggle--active .nav-toggle-bar:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
}

.nav-toggle--active .nav-toggle-bar:nth-child(2) {
    opacity: 0;
}

.nav-toggle--active .nav-toggle-bar:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
}

/* ============================================================
   SECTIONS — SSS generous spacing, clean hierarchy
   ============================================================ */
.section {
    position: relative;
    z-index: 1;
    padding: var(--space-24) 0;
}

.section+.section::before {
    content: '';
    display: block;
    width: 80px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-hover), transparent);
    margin: 0 auto var(--space-24);
}

.section-hero+.section::before {
    display: none;
}

.section-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-8);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.section-inner.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Section label — SSS uppercase tracking pattern */
.section-label {
    display: block;
    font-size: 0.75rem;
    font-weight: var(--font-medium);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--text-muted);
    margin-bottom: var(--space-4);
}

.section-title {
    font-size: 1.5rem;
    font-weight: var(--font-bold);
    color: var(--text-primary);
    line-height: 1.3;
    margin-bottom: var(--space-6);
    letter-spacing: -0.01em;
}

.section-body {
    font-size: 1rem;
    font-weight: var(--font-light);
    line-height: 1.75;
    color: var(--text-secondary);
    max-width: 640px;
    margin-bottom: var(--space-6);
}

.section-body--centered {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

/* ============================================================
   HERO
   ============================================================ */
.section-hero {
    padding-top: calc(var(--header-height) + var(--space-16));
    padding-bottom: var(--space-24);
    text-align: center;
    position: relative;
}

.section-hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-hover), transparent);
}

.section-hero .section-inner {
    opacity: 1;
    transform: none;
    animation: entrance 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes entrance {
    from {
        opacity: 0;
        transform: translateY(24px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Wordmark — cinematic, commanding */
.hero-wordmark {
    font-size: clamp(0.9375rem, 1.8vw, 1.125rem);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.4em;
    color: rgba(176, 173, 192, 0.6);
    margin-bottom: var(--space-16);
    line-height: 1.2;
    opacity: 0;
    animation: fadeUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.2s forwards;
    position: relative;
    padding-bottom: var(--space-16);
}

.hero-wordmark::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(180, 167, 214, 0.3), transparent);
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-vertex {
    display: block;
    font-size: clamp(2.25rem, 6vw, 3.75rem);
    font-weight: var(--font-bold);
    letter-spacing: 0.5em;
    color: var(--accent-lavender);
    background: linear-gradient(135deg,
            #a090c8,
            #d4c8ef,
            #b4a7d6,
            #c8b8e8);
    background-size: 300% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 20px rgba(180, 167, 214, 0.15));
    animation: shimmer 8s ease-in-out infinite;
    margin-top: 0.25rem;
}

@keyframes shimmer {

    0%,
    100% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }
}

.hero-headline {
    font-size: clamp(1.5rem, 4vw, 2.375rem);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    line-height: 1.25;
    letter-spacing: -0.015em;
    margin-bottom: var(--space-6);
    opacity: 0;
    animation: fadeUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.35s forwards;
}

.hero-divider {
    width: 56px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-lavender), transparent);
    margin: 0 auto var(--space-6);
    opacity: 0;
    animation: fadeUp 0.6s cubic-bezier(0.4, 0, 0.2, 1) 0.5s forwards;
}

.hero-body {
    font-size: 1.0625rem;
    font-weight: var(--font-light);
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto var(--space-4);
    line-height: 1.75;
    opacity: 0;
    animation: fadeUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.55s forwards;
}

.hero-bridge {
    font-size: 0.9375rem;
    font-weight: var(--font-medium);
    color: var(--accent-lavender);
    letter-spacing: 0.02em;
    margin-bottom: var(--space-4);
    opacity: 0;
    animation: fadeUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.65s forwards;
}

.hero-ctas {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--space-8);
    opacity: 0;
    animation: fadeUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.75s forwards;
}

.hero-trust {
    font-size: 0.8125rem;
    font-weight: var(--font-normal);
    color: var(--text-muted);
    margin-top: var(--space-6);
    letter-spacing: 0.02em;
}

/* ============================================================
   BUTTONS — SSS pattern adapted for dark
   ============================================================ */
.btn {
    display: inline-block;
    padding: 0.8125rem 2.25rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: var(--font-medium);
    letter-spacing: 0.01em;
    text-decoration: none;
    transition: all var(--transition);
    cursor: pointer;
    border: none;
    position: relative;
}

.btn:hover {
    text-decoration: none;
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(0);
}

/* Primary: light on dark — SSS card hover inversion idea */
.btn-primary {
    background: var(--text-primary);
    color: var(--bg-deep);
    box-shadow: 0 0 0 0 rgba(180, 167, 214, 0);
}

.btn-primary:hover {
    background: #ffffff;
    color: var(--bg-deep);
    box-shadow: 0 4px 24px rgba(180, 167, 214, 0.15);
}

/* Secondary: border — SSS secondary pattern */
.btn-secondary {
    background: transparent;
    border: 1px solid var(--border-hover);
    color: var(--text-secondary);
}

.btn-secondary:hover {
    border-color: var(--border-active);
    color: var(--text-primary);
    background: rgba(180, 167, 214, 0.03);
}

.btn-submit {
    width: 100%;
    padding: 0.875rem;
    font-size: 0.9375rem;
}

/* ============================================================
   TEXT LIST — clean dashes, no emojis (SSS minimalism)
   ============================================================ */
.text-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
    max-width: 640px;
}

.text-list li {
    position: relative;
    padding-left: 1.5rem;
    font-size: 0.9375rem;
    font-weight: var(--font-light);
    color: var(--text-secondary);
    line-height: 1.6;
}

.text-list li::before {
    content: '\2014';
    /* em dash */
    position: absolute;
    left: 0;
    color: var(--text-muted);
}

.text-list--accent li::before {
    color: var(--accent-lavender);
}

.text-list strong {
    font-weight: var(--font-medium);
    color: var(--text-primary);
}

/* ============================================================
   CHECK LIST — clean checks, no emojis
   ============================================================ */
.check-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-width: 640px;
}

.check-list li {
    position: relative;
    padding-left: 1.5rem;
    font-size: 0.9375rem;
    font-weight: var(--font-light);
    color: var(--text-secondary);
    line-height: 1.6;
}

.check-list li::before {
    content: '\2713';
    /* check mark */
    position: absolute;
    left: 0;
    color: var(--accent-lavender);
    font-size: 0.875rem;
}

/* ============================================================
   SYSTEM STAGES — 3-stage visual (Foundation/Activation/Operations)
   ============================================================ */
.system-stages {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    margin-top: var(--space-8);
}

.stage-card {
    padding: var(--space-6);
    border-radius: 0.75rem;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    transition: all var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.stage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(180, 167, 214, 0.1), transparent);
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.stage-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2), 0 0 0 1px rgba(180, 167, 214, 0.06);
}

.stage-card:hover::before {
    opacity: 1;
}

.stage-number {
    display: block;
    font-size: 0.6875rem;
    font-weight: var(--font-medium);
    color: var(--text-muted);
    letter-spacing: 0.15em;
    margin-bottom: var(--space-4);
    opacity: 0.6;
}

.stage-card h3 {
    font-size: 1.0625rem;
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    letter-spacing: -0.01em;
}

.stage-subtitle {
    font-size: 0.8125rem;
    font-weight: var(--font-medium);
    color: var(--accent-lavender);
    margin-bottom: 0.75rem;
}

.stage-card p:last-child {
    font-size: 0.875rem;
    line-height: 1.75;
    color: var(--text-secondary);
    font-weight: var(--font-light);
}

/* Staggered card animations */
.is-visible .stage-card,
.is-visible .package-card,
.is-visible .addon-card,
.is-visible .audience-card,
.is-visible .security-item {
    opacity: 0;
    animation: cardReveal 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.is-visible .stage-card:nth-child(1),
.is-visible .package-card:nth-child(1),
.is-visible .addon-card:nth-child(1),
.is-visible .audience-card:nth-child(1),
.is-visible .security-item:nth-child(1) {
    animation-delay: 0.1s;
}

.is-visible .stage-card:nth-child(2),
.is-visible .package-card:nth-child(2),
.is-visible .addon-card:nth-child(2),
.is-visible .audience-card:nth-child(2),
.is-visible .security-item:nth-child(2) {
    animation-delay: 0.2s;
}

.is-visible .stage-card:nth-child(3),
.is-visible .package-card:nth-child(3),
.is-visible .addon-card:nth-child(3),
.is-visible .audience-card:nth-child(3),
.is-visible .security-item:nth-child(3) {
    animation-delay: 0.3s;
}

.is-visible .audience-card:nth-child(4),
.is-visible .security-item:nth-child(4) {
    animation-delay: 0.4s;
}

@keyframes cardReveal {
    from {
        opacity: 0;
        transform: translateY(12px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================================
   PACKAGES — 3-tier cards (SSV Foundation / Team / Operations)
   ============================================================ */
.packages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    margin-top: var(--space-8);
}

.package-card {
    padding: var(--space-6);
    border-radius: 0.75rem;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    transition: all var(--transition-slow);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.package-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(180, 167, 214, 0.1), transparent);
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.package-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2), 0 0 0 1px rgba(180, 167, 214, 0.06);
}

.package-card:hover::before {
    opacity: 1;
}

.package-card--featured {
    border-color: rgba(180, 167, 214, 0.2);
    background: rgba(180, 167, 214, 0.04);
}

.package-card--featured::before {
    opacity: 0.6;
}

.package-card--featured:hover {
    background: rgba(180, 167, 214, 0.08);
    border-color: rgba(180, 167, 214, 0.3);
    box-shadow: 0 8px 40px rgba(180, 167, 214, 0.1), 0 0 0 1px rgba(180, 167, 214, 0.1);
}

.package-tier {
    display: block;
    font-size: 0.6875rem;
    font-weight: var(--font-medium);
    color: var(--text-muted);
    letter-spacing: 0.15em;
    margin-bottom: var(--space-4);
    opacity: 0.6;
}

.package-card h3 {
    font-size: 1.125rem;
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    margin-bottom: 0.375rem;
    letter-spacing: -0.01em;
}

.package-for {
    font-size: 0.8125rem;
    font-weight: var(--font-light);
    color: var(--text-muted);
    margin-bottom: var(--space-4);
    line-height: 1.5;
}

.package-card .check-list {
    margin-top: auto;
}

.package-card .check-list li {
    font-size: 0.8125rem;
}

/* ============================================================
   ADD-ONS — premium extensions
   ============================================================ */
.addons-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    margin-top: var(--space-4);
}

.addon-card {
    padding: var(--space-6);
    border-radius: 0.75rem;
    border: 1px solid var(--border-subtle);
    transition: all var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.addon-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(180, 167, 214, 0.1), transparent);
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.addon-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2), 0 0 0 1px rgba(180, 167, 214, 0.06);
}

.addon-card:hover::before {
    opacity: 1;
}

.addon-card h3 {
    font-size: 1rem;
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    letter-spacing: -0.01em;
}

.addon-card p {
    font-size: 0.875rem;
    line-height: 1.75;
    color: var(--text-secondary);
    font-weight: var(--font-light);
}

/* ============================================================
   AUDIENCE GRID — who it's for
   ============================================================ */
.audience-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
    margin-top: var(--space-4);
}

.audience-card {
    padding: var(--space-6);
    border-radius: 0.75rem;
    border: 1px solid var(--border-subtle);
    transition: all var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.audience-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(180, 167, 214, 0.1), transparent);
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.audience-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2), 0 0 0 1px rgba(180, 167, 214, 0.06);
}

.audience-card:hover::before {
    opacity: 1;
}

.audience-card h3 {
    font-size: 1rem;
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    margin-bottom: 0.375rem;
    letter-spacing: -0.01em;
}

.audience-card p {
    font-size: 0.875rem;
    line-height: 1.65;
    color: var(--text-muted);
    font-weight: var(--font-light);
}

/* ============================================================
   SECURITY GRID — clean text, no emojis
   ============================================================ */
.security-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    margin-top: var(--space-4);
    max-width: 640px;
}

.security-item {
    padding: 1rem 1.25rem;
    border-radius: 0.75rem;
    border: 1px solid var(--border-subtle);
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: var(--font-light);
    transition: all var(--transition-slow);
}

.security-item:hover {
    border-color: var(--border-hover);
    transform: translateY(-1px);
}

/* ============================================================
   SECTION BODY ACCENT — origin/bridge text
   ============================================================ */
.section-body--accent {
    color: var(--accent-lavender);
    font-weight: var(--font-normal);
    font-style: italic;
}

/* ============================================================
   FAQ ACCORDION
   ============================================================ */
.faq-list {
    max-width: 640px;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.faq-item {
    border-bottom: 1px solid var(--border-subtle);
    transition: all var(--transition);
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-question {
    padding: 1.125rem 0;
    font-size: 0.9375rem;
    font-weight: var(--font-medium);
    color: var(--text-primary);
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    transition: color var(--transition);
    letter-spacing: -0.005em;
}

.faq-question:hover {
    color: var(--accent-lavender);
}

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

.faq-question::after {
    content: '+';
    font-size: 1.125rem;
    font-weight: var(--font-light);
    color: var(--text-muted);
    flex-shrink: 0;
    transition: transform var(--transition), color var(--transition);
}

.faq-item[open] .faq-question::after {
    content: '\2212';
    /* minus sign */
    color: var(--accent-lavender);
}

.faq-answer {
    padding: 0 0 1.125rem;
    font-size: 0.875rem;
    line-height: 1.75;
    color: var(--text-secondary);
    font-weight: var(--font-light);
}

/* ============================================================
   CONTACT FORM
   ============================================================ */
.contact-form {
    max-width: 560px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

/* Honeypot */
.form-honeypot {
    position: absolute;
    left: -9999px;
    opacity: 0;
    height: 0;
    overflow: hidden;
    pointer-events: none;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.form-group label {
    font-size: 0.8125rem;
    font-weight: var(--font-medium);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-group input,
.form-group textarea,
.form-group select {
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    font-weight: var(--font-light);
    color: var(--text-primary);
    background: transparent;
    border: 1px solid var(--border-subtle);
    border-radius: 0.375rem;
    padding: 0.75rem 1rem;
    transition: border-color var(--transition);
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
    opacity: 0.6;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--border-active);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236e6b80'%3E%3Cpath d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.form-group select option {
    background: var(--bg-deep);
    color: var(--text-primary);
}

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

.form-note {
    text-align: center;
    font-size: 0.8125rem;
    color: var(--text-muted);
    font-weight: var(--font-light);
}

.form-fallback {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: var(--font-light);
}

.form-fallback a {
    font-size: 0.75rem;
}

/* ============================================================
   FOOTER — SSS minimal pattern
   ============================================================ */
.site-footer {
    border-top: none;
    padding: var(--space-12) var(--space-8) var(--space-8);
    position: relative;
    z-index: 1;
}

.site-footer::before {
    content: '';
    display: block;
    width: 80px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-hover), transparent);
    margin: 0 auto var(--space-12);
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-6);
}

.footer-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.footer-nav a {
    font-size: 0.8125rem;
    font-weight: var(--font-medium);
    color: var(--text-muted);
}

.footer-nav a:hover {
    color: var(--text-secondary);
    text-decoration: none;
}

.footer-sep {
    width: 1px;
    height: 12px;
    background: var(--border-subtle);
}

.footer-social {
    display: flex;
    gap: var(--space-6);
}

.footer-social a {
    color: var(--text-muted);
    transition: color var(--transition);
    text-decoration: none;
}

.footer-social a:hover {
    color: var(--text-secondary);
    text-decoration: none;
}

.footer-social svg {
    width: 20px;
    height: 20px;
}

.footer-copyright {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: var(--font-light);
}

/* ============================================================
   RESPONSIVE — MOBILE
   ============================================================ */
@media (max-width: 768px) {

    .nav-container {
        display: flex;
        justify-content: space-between;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-center,
    .nav-right {
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        background: rgba(8, 12, 22, 0.98);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        padding: 0.5rem 0;
    }

    .nav-center {
        border-bottom: none;
    }

    .nav-right {
        border-bottom: 1px solid var(--border-subtle);
    }

    .nav-center.nav-open,
    .nav-center.nav-open+.nav-right {
        display: flex;
    }

    .nav-center a,
    .nav-right .nav-contact {
        width: 100%;
        padding: 0.75rem var(--space-8);
        font-size: 0.875rem;
        color: var(--text-muted) !important;
    }

    .nav-lang-group {
        padding: 0.75rem var(--space-8);
    }

    .section {
        padding: var(--space-12) 0;
    }

    .section-inner {
        padding: 0 var(--space-6);
    }

    .section-title {
        font-size: 1.25rem;
    }

    .system-stages,
    .packages-grid,
    .addons-grid,
    .audience-grid,
    .security-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .hero-headline {
        font-size: 1.375rem;
    }

    .hero-ctas {
        flex-direction: column;
        align-items: center;
    }

    .hero-ctas .btn {
        width: 100%;
        max-width: 280px;
        text-align: center;
    }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .section-inner {
        opacity: 1;
        transform: none;
    }
}