/* =========================================================
   STACKZON — Main Stylesheet
   Premium dark tech aesthetic
   ========================================================= */

/* --- CSS Variables --- */
:root {
    --color-bg: #0a0a0f;
    --color-bg-elevated: #12121a;
    --color-bg-card: #16161f;
    --color-bg-card-hover: #1c1c28;
    --color-border: rgba(255,255,255,0.06);
    --color-border-hover: rgba(255,255,255,0.12);
    --color-text: #e8e8ed;
    --color-text-muted: #8a8a9a;
    --color-text-dim: #5a5a6e;
    --color-accent: #00b4d8;
    --color-accent-light: #00d4ff;
    --color-accent-dark: #0096b7;
    --color-accent-glow: rgba(0,212,255,0.12);
    --color-accent-glow-strong: rgba(0,212,255,0.25);
    --color-success: #00cec9;
    --color-danger: #ff6b6b;
    --color-white: #ffffff;
    --font-primary: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-card: 0 2px 20px rgba(0,0,0,0.3);
    --shadow-hover: 0 8px 40px rgba(0,0,0,0.5);
    --shadow-glow: 0 0 40px var(--color-accent-glow);
    --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --container: 1200px;
    --header-h: 72px;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body {
    font-family: var(--font-primary);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul, ol { list-style: none; }
input, textarea, select { font-family: inherit; font-size: inherit; }

/* --- Utilities --- */
.sz-container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}
.sz-section {
    padding: 100px 0;
    position: relative;
}
.sz-section--sm { padding: 60px 0; }
.sz-section--lg { padding: 140px 0; }
.sz-section__label {
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-accent-light);
    margin-bottom: 16px;
    display: block;
}
.sz-section__title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 20px;
    color: var(--color-white);
}
.sz-section__subtitle {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    max-width: 640px;
    line-height: 1.7;
}
.sz-section__header {
    margin-bottom: 60px;
}
.sz-section__header--center {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}
.sz-section__header--center .sz-section__subtitle {
    margin-left: auto;
    margin-right: auto;
}
.text-center { text-align: center; }
.text-gradient {
    background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-accent) 50%, #00e5a0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* --- Buttons --- */
.sz-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 15px;
    padding: 14px 32px;
    border-radius: var(--radius-md);
    transition: all var(--transition);
    border: 1px solid transparent;
    white-space: nowrap;
}
.sz-btn--accent {
    background: var(--color-accent);
    color: var(--color-white);
    border-color: var(--color-accent);
}
.sz-btn--accent:hover {
    background: var(--color-accent-dark);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}
.sz-btn--outline {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-border-hover);
}
.sz-btn--outline:hover {
    border-color: var(--color-accent);
    color: var(--color-accent-light);
    background: var(--color-accent-glow);
}
.sz-btn--sm { padding: 10px 22px; font-size: 14px; }
.sz-btn--lg { padding: 18px 40px; font-size: 17px; }
.sz-btn-group { display: flex; gap: 16px; flex-wrap: wrap; }

/* --- Header --- */
.sz-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-h);
    display: flex;
    align-items: center;
    background: rgba(10,10,15,0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition);
}
.sz-header.is-scrolled {
    background: rgba(10,10,15,0.95);
    box-shadow: 0 4px 30px rgba(0,0,0,0.4);
}
.sz-header .sz-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}
.sz-logo {
    display: flex;
    align-items: center;
    gap: 0;
    font-weight: 700;
    font-size: 1.25rem;
    z-index: 10;
    transition: all var(--transition);
}
/* Power symbol: OFF → ON */
.sz-logo__power {
    display: inline-block;
    width: 22px;
    height: 22px;
    vertical-align: middle;
    margin: 0 1px;
    color: var(--color-text-dim);
    transition: color 0.4s ease, filter 0.4s ease;
    filter: none;
}
.sz-logo:hover .sz-logo__power {
    color: var(--color-accent-light);
    filter: drop-shadow(0 0 6px rgba(0,212,255,0.5));
}
.sz-logo__power svg {
    width: 100%;
    height: 100%;
    display: block;
}
.sz-logo__text {
    color: var(--color-white);
    letter-spacing: -0.3px;
    font-size: 1.3rem;
}
.sz-logo__badge {
    font-size: 11px;
    font-weight: 500;
    font-family: var(--font-mono);
    color: var(--color-accent-light);
    margin-left: 10px;
    opacity: 0.7;
}
.sz-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}
.sz-nav__link {
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-muted);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}
.sz-nav__link:hover, .sz-nav__link.is-active {
    color: var(--color-white);
    background: rgba(255,255,255,0.05);
}
.sz-header__cta { margin-left: 16px; }

/* Hamburger */
.sz-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    z-index: 10;
}
.sz-hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition);
}
.sz-hamburger.is-active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.sz-hamburger.is-active span:nth-child(2) { opacity: 0; }
.sz-hamburger.is-active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile Menu */
.sz-mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: var(--color-bg);
    z-index: 999;
    transition: right 0.4s cubic-bezier(0.65, 0, 0.35, 1);
    display: flex;
    align-items: center;
    justify-content: center;
}
.sz-mobile-menu.is-open { right: 0; }
.sz-mobile-menu__nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}
.sz-mobile-menu__link {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text-muted);
    padding: 12px 24px;
    transition: color var(--transition);
}
.sz-mobile-menu__link:hover { color: var(--color-white); }
.sz-mobile-menu__cta { margin-top: 20px; }

/* --- Hero --- */
.sz-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-h);
    overflow: hidden;
}
.sz-hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.sz-hero__gradient {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.3;
    pointer-events: none;
}
.sz-hero__gradient--1 {
    top: -10%;
    right: -5%;
    background: var(--color-accent);
}
.sz-hero__gradient--2 {
    bottom: -20%;
    left: -10%;
    background: var(--color-accent-dark);
    opacity: 0.15;
}
.sz-hero__grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black, transparent);
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black, transparent);
}
.sz-hero__content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}
.sz-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 500;
    color: var(--color-accent-light);
    background: var(--color-accent-glow);
    padding: 8px 16px;
    border-radius: 100px;
    border: 1px solid rgba(0,212,255,0.2);
    margin-bottom: 32px;
    letter-spacing: 0.5px;
}
.sz-hero__badge::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--color-accent-light);
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}
.sz-hero__title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.08;
    letter-spacing: -1.5px;
    color: var(--color-white);
    margin-bottom: 28px;
}
.sz-hero__subtitle {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    line-height: 1.8;
    max-width: 600px;
    margin-bottom: 44px;
}
.sz-hero__actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* --- Cards Grid --- */
.sz-grid {
    display: grid;
    gap: 24px;
}
.sz-grid--2 { grid-template-columns: repeat(2, 1fr); }
.sz-grid--3 { grid-template-columns: repeat(3, 1fr); }
.sz-grid--4 { grid-template-columns: repeat(4, 1fr); }

/* --- Feature Card --- */
.sz-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 36px 32px;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}
.sz-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
    opacity: 0;
    transition: opacity var(--transition);
}
.sz-card:hover {
    border-color: var(--color-border-hover);
    background: var(--color-bg-card-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}
.sz-card:hover::before { opacity: 1; }
.sz-card__icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-glow);
    border: 1px solid rgba(0,212,255,0.15);
    border-radius: var(--radius-md);
    margin-bottom: 24px;
    font-size: 22px;
    color: var(--color-accent-light);
}
.sz-card__title {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 12px;
}
.sz-card__text {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* --- Process Steps --- */
.sz-steps {
    display: grid;
    gap: 0;
    counter-reset: step-counter;
}
.sz-step {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 32px;
    padding: 40px 0;
    border-bottom: 1px solid var(--color-border);
    counter-increment: step-counter;
    position: relative;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}
.sz-step:last-child { border-bottom: none; }
.sz-step__number {
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-accent);
    opacity: 0.4;
    line-height: 1;
    padding-top: 4px;
}
.sz-step__number::before {
    content: counter(step-counter, decimal-leading-zero);
}
.sz-step__title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 10px;
}
.sz-step__text {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    max-width: 560px;
}

/* Animate steps on scroll */
.sz-step:nth-child(1) { animation-delay: 0.1s; }
.sz-step:nth-child(2) { animation-delay: 0.2s; }
.sz-step:nth-child(3) { animation-delay: 0.3s; }
.sz-step:nth-child(4) { animation-delay: 0.4s; }
.sz-step:nth-child(5) { animation-delay: 0.5s; }
.sz-step:nth-child(6) { animation-delay: 0.6s; }

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

/* --- Industries / Audience --- */
.sz-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}
.sz-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 100px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-muted);
    transition: all var(--transition);
}
.sz-tag:hover {
    border-color: var(--color-accent);
    color: var(--color-accent-light);
    background: var(--color-accent-glow);
}
.sz-tag__dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-accent);
}

/* --- Why Section Values --- */
.sz-values {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 32px;
}
.sz-value {
    text-align: center;
    padding: 32px 20px;
}
.sz-value__icon {
    font-size: 28px;
    color: var(--color-accent-light);
    margin-bottom: 16px;
}
.sz-value__title {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 8px;
}
.sz-value__text {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* --- CTA Section --- */
.sz-cta-section {
    position: relative;
    text-align: center;
    padding: 100px 0;
    overflow: hidden;
}
.sz-cta-section__bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-accent-glow) 0%, transparent 50%);
    border-radius: var(--radius-xl);
}
.sz-cta-section__inner {
    position: relative;
    z-index: 1;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 80px 40px;
}
.sz-cta-section__title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}
.sz-cta-section__text {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: 36px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

/* --- Contact Form --- */
.sz-form-group {
    margin-bottom: 24px;
}
.sz-form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-muted);
    margin-bottom: 8px;
}
.sz-form-group input,
.sz-form-group textarea,
.sz-form-group select {
    width: 100%;
    padding: 14px 18px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: 15px;
    transition: all var(--transition);
}
.sz-form-group input:focus,
.sz-form-group textarea:focus,
.sz-form-group select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-glow);
}
.sz-form-group textarea { resize: vertical; min-height: 140px; }
.sz-form-group input::placeholder,
.sz-form-group textarea::placeholder { color: var(--color-text-dim); }
.sz-hp-field { position: absolute; left: -9999px; opacity: 0; }

/* Form messages */
.sz-alert {
    padding: 16px 20px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 24px;
}
.sz-alert--success {
    background: rgba(0,206,201,0.1);
    border: 1px solid rgba(0,206,201,0.2);
    color: var(--color-success);
}
.sz-alert--error {
    background: rgba(255,107,107,0.1);
    border: 1px solid rgba(255,107,107,0.2);
    color: var(--color-danger);
}

/* --- Page Header (inner pages) --- */
.sz-page-header {
    padding-top: calc(var(--header-h) + 80px);
    padding-bottom: 60px;
    position: relative;
    overflow: hidden;
}
.sz-page-header::before {
    content: '';
    position: absolute;
    top: 0;
    right: -20%;
    width: 500px;
    height: 500px;
    background: var(--color-accent);
    filter: blur(160px);
    opacity: 0.08;
    pointer-events: none;
}
.sz-page-header__title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    letter-spacing: -1px;
    color: var(--color-white);
    margin-bottom: 16px;
}
.sz-page-header__text {
    font-size: 1.15rem;
    color: var(--color-text-muted);
    max-width: 600px;
    line-height: 1.7;
}

/* --- Prose Content (About, Privacy, Terms) --- */
.sz-prose {
    max-width: 760px;
    line-height: 1.8;
}
.sz-prose h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-white);
    margin-top: 48px;
    margin-bottom: 16px;
}
.sz-prose h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-white);
    margin-top: 32px;
    margin-bottom: 12px;
}
.sz-prose p {
    color: var(--color-text-muted);
    margin-bottom: 20px;
}
.sz-prose ul, .sz-prose ol {
    color: var(--color-text-muted);
    margin-bottom: 20px;
    padding-left: 24px;
}
.sz-prose li { margin-bottom: 8px; }
.sz-prose ul li { list-style: disc; }
.sz-prose ol li { list-style: decimal; }
.sz-prose a {
    color: var(--color-accent-light);
    text-decoration: underline;
    text-underline-offset: 3px;
}
.sz-prose a:hover { color: var(--color-accent); }
.sz-prose strong { color: var(--color-white); font-weight: 600; }

/* --- Solutions Cards (larger variant) --- */
.sz-solution-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px 36px;
    transition: all var(--transition);
}
.sz-solution-card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}
.sz-solution-card__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-glow);
    border: 1px solid rgba(0,212,255,0.15);
    border-radius: var(--radius-md);
    margin-bottom: 28px;
    font-size: 26px;
}
.sz-solution-card__title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 14px;
}
.sz-solution-card__text {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: 20px;
}
.sz-solution-card__features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.sz-solution-card__feature {
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text-dim);
    background: rgba(255,255,255,0.04);
    padding: 5px 12px;
    border-radius: 100px;
    border: 1px solid var(--color-border);
}

/* --- Thank You Page --- */
.sz-thankyou {
    min-height: 80vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: var(--header-h);
}
.sz-thankyou__icon {
    font-size: 4rem;
    margin-bottom: 24px;
}
.sz-thankyou__title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 16px;
}
.sz-thankyou__text {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    max-width: 500px;
    margin-bottom: 36px;
}

/* --- Footer --- */
.sz-footer {
    border-top: 1px solid var(--color-border);
    padding: 64px 0 32px;
    background: var(--color-bg);
}
.sz-footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}
.sz-footer__tagline {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-top: 16px;
    max-width: 300px;
}
.sz-footer__heading {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-text-dim);
    margin-bottom: 20px;
}
.sz-footer__links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.sz-footer__links a {
    font-size: 14px;
    color: var(--color-text-muted);
    transition: color var(--transition);
}
.sz-footer__links a:hover { color: var(--color-accent-light); }
.sz-footer__bottom {
    border-top: 1px solid var(--color-border);
    padding-top: 24px;
    text-align: center;
}
.sz-footer__bottom p {
    font-size: 13px;
    color: var(--color-text-dim);
}
.sz-logo--footer .sz-logo__text { font-size: 1.1rem; }

/* ===== AUTH PAGES ===== */
.sz-auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    padding: 24px;
    position: relative;
    overflow: hidden;
}
.sz-auth-page::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -15%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0,212,255,0.06) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}
.sz-auth-page::after {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0,180,216,0.04) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}
.sz-auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 48px 40px;
    position: relative;
    z-index: 1;
}
.sz-auth-card__logo {
    text-align: center;
    margin-bottom: 36px;
    display: flex;
    justify-content: center;
}
.sz-auth-card__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    text-align: center;
    margin-bottom: 8px;
}
.sz-auth-card__subtitle {
    font-size: 14px;
    color: var(--color-text-muted);
    text-align: center;
    margin-bottom: 32px;
}

/* ===== APPS HUB ===== */
.sz-hub-layout {
    min-height: 100vh;
    background: var(--color-bg);
}
.sz-hub-topbar {
    background: var(--color-bg-elevated);
    border-bottom: 1px solid var(--color-border);
    padding: 16px 0;
}
.sz-hub-topbar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.sz-hub-topbar__user {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--color-text-muted);
}
.sz-hub-topbar__avatar {
    width: 36px;
    height: 36px;
    background: var(--color-accent-glow);
    border: 1px solid rgba(0,212,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent-light);
    font-weight: 600;
    font-size: 14px;
}
.sz-hub-content {
    padding: 48px 0;
}
.sz-hub-welcome {
    margin-bottom: 48px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--color-border);
}
.sz-hub-welcome__title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 8px;
    letter-spacing: -0.3px;
}
.sz-hub-welcome__text {
    color: var(--color-text-muted);
    font-size: 1.05rem;
}
.sz-app-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
    min-height: 200px;
}
.sz-app-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}
.sz-app-card__icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-glow);
    border: 1px solid rgba(0,212,255,0.15);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    font-size: 20px;
    transition: all var(--transition);
}
.sz-app-card:hover .sz-app-card__icon {
    background: rgba(0,212,255,0.18);
    border-color: rgba(0,212,255,0.3);
}
.sz-app-card__name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 8px;
}
.sz-app-card__desc {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    flex-grow: 1;
}
.sz-app-card__status {
    margin-top: 16px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 500;
}
.sz-app-card__status--active { color: var(--color-success); }
.sz-app-card__status--coming { color: var(--color-text-dim); }
.sz-app-card__status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

/* ===== ADMIN ===== */
.sz-admin-nav {
    display: flex;
    gap: 4px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}
.sz-admin-nav a {
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-muted);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}
.sz-admin-nav a:hover, .sz-admin-nav a.is-active {
    background: var(--color-accent-glow);
    color: var(--color-accent-light);
}
.sz-table-wrap {
    overflow-x: auto;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}
table.sz-table {
    width: 100%;
    border-collapse: collapse;
}
.sz-table th {
    text-align: left;
    padding: 14px 18px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-dim);
    background: var(--color-bg-elevated);
    border-bottom: 1px solid var(--color-border);
}
.sz-table td {
    padding: 14px 18px;
    font-size: 14px;
    color: var(--color-text-muted);
    border-bottom: 1px solid var(--color-border);
}
.sz-table tr:last-child td { border-bottom: none; }
.sz-table tr:hover td { background: rgba(255,255,255,0.02); }
.sz-badge {
    display: inline-flex;
    padding: 4px 10px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 500;
}
.sz-badge--active { background: rgba(0,206,201,0.1); color: var(--color-success); }
.sz-badge--inactive { background: rgba(255,107,107,0.1); color: var(--color-danger); }
.sz-table-actions {
    display: flex;
    gap: 8px;
}
.sz-table-actions a {
    font-size: 13px;
    color: var(--color-accent-light);
    transition: color var(--transition);
}
.sz-table-actions a:hover { color: var(--color-accent); }

/* Modal-style form overlay for admin */
.sz-modal-form {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 36px;
    max-width: 560px;
    margin-bottom: 40px;
}
.sz-modal-form__title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 24px;
}

/* ===== MICRO-INTERACTIONS ===== */
/* Card hover elevation */
.sz-card,
.sz-app-card {
    transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.sz-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.4), 0 0 0 1px var(--color-accent-glow);
}
/* Button press feedback */
.sz-btn:active {
    transform: translateY(0) scale(0.98);
    transition-duration: 0.1s;
}
/* Nav link subtle underline slide */
.sz-nav__link {
    position: relative;
}
.sz-nav__link::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    width: 0;
    height: 1.5px;
    background: var(--color-accent-light);
    transition: all 0.3s ease;
    transform: translateX(-50%);
    border-radius: 1px;
}
.sz-nav__link:hover::after,
.sz-nav__link.is-active::after {
    width: 60%;
}
/* Table row highlight */
.sz-table tr {
    transition: background 0.2s ease;
}
/* Auth card ambient glow */
.sz-auth-card {
    transition: box-shadow 0.4s ease;
}
.sz-auth-card:hover {
    box-shadow: 0 0 60px rgba(0,212,255,0.06), var(--shadow-card);
}
/* Form input focus glow */
.sz-form-group input:focus,
.sz-form-group textarea:focus,
.sz-form-group select:focus {
    border-color: var(--color-accent) !important;
    box-shadow: 0 0 0 3px rgba(0,212,255,0.1);
    outline: none;
}
/* Hub topbar avatar hover */
.sz-hub-topbar__avatar {
    transition: all var(--transition);
}
.sz-hub-topbar__avatar:hover {
    box-shadow: 0 0 12px rgba(0,212,255,0.3);
}
/* Power symbol pulse — brief ON flash at page load */
@keyframes power-on {
    0%   { color: var(--color-text-dim); filter: none; }
    40%  { color: #00d4ff; filter: drop-shadow(0 0 8px rgba(0,212,255,0.6)); }
    100% { color: var(--color-text-dim); filter: none; }
}
.sz-logo__power {
    animation: power-on 1.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.3s 1 both;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .sz-grid--4 { grid-template-columns: repeat(2, 1fr); }
    .sz-grid--3 { grid-template-columns: repeat(2, 1fr); }
    .sz-footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 768px) {
    :root { --header-h: 64px; }
    .sz-nav, .sz-header__cta { display: none; }
    .sz-hamburger { display: flex; }
    .sz-section { padding: 72px 0; }
    .sz-section--lg { padding: 100px 0; }
    .sz-hero { min-height: auto; padding-top: calc(var(--header-h) + 60px); padding-bottom: 60px; }
    .sz-hero__title { font-size: clamp(2rem, 8vw, 3rem); }
    .sz-hero__subtitle { font-size: 1.05rem; }
    .sz-grid--2, .sz-grid--3, .sz-grid--4 { grid-template-columns: 1fr; }
    .sz-footer__grid { grid-template-columns: 1fr; gap: 32px; }
    .sz-step { grid-template-columns: 1fr; gap: 12px; }
    .sz-step__number { font-size: 1.5rem; }
    .sz-cta-section__inner { padding: 48px 24px; }
    .sz-auth-card { padding: 36px 24px; }
    .sz-hub-topbar__inner { flex-wrap: wrap; gap: 12px; }
}
@media (max-width: 480px) {
    .sz-container { padding: 0 16px; }
    .sz-hero__actions { flex-direction: column; }
    .sz-hero__actions .sz-btn { width: 100%; justify-content: center; }
    .sz-card { padding: 28px 24px; }
    .sz-page-header { padding-top: calc(var(--header-h) + 48px); padding-bottom: 40px; }
}