/*
 * ═══════════════════════════════════════════════════════════
 *  LinkedinBoost — Main Stylesheet
 *  Usa le variabili definite in variables.css
 * ═══════════════════════════════════════════════════════════
 */

/* ── Reset & Base ───────────────────────────────────────── */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height);
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a { color: var(--color-primary-light); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--color-primary); }

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

/* ── Container ──────────────────────────────────────────── */

.container { max-width: var(--container-max); margin: 0 auto; padding: 0 var(--space-lg); }
.container--narrow { max-width: var(--container-narrow); }

/* ── Navbar ─────────────────────────────────────────────── */

.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--navbar-height);
    background: rgba(15, 15, 26, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    z-index: 1000;
    display: flex;
    align-items: center;
    padding: 0 var(--space-xl);
}

.navbar__brand {
    font-family: var(--font-family-heading);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    letter-spacing: -0.02em;
}

.navbar__brand span { color: var(--color-primary); }

.navbar__spacer { flex: 1; }

.navbar__links { display: flex; align-items: center; gap: var(--space-lg); }
.navbar__links a {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    transition: color var(--transition-fast);
}
.navbar__links a:hover { color: var(--color-text); }

.navbar__user { display: inline-flex; align-items: center; gap: 6px; }
.navbar__avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}
.navbar__avatar--default { opacity: 0.7; }

.navbar__menu-btn {
    display: none;
    background: none; border: none;
    color: var(--color-text); cursor: pointer;
    padding: var(--space-sm);
}

/* ── Buttons ────────────────────────────────────────────── */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.7rem 1.6rem;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    line-height: 1.4;
}

.btn--primary {
    background: var(--color-primary);
    color: #fff;
    box-shadow: 0 2px 8px rgba(108, 92, 231, 0.3);
}
.btn--primary:hover {
    background: var(--color-primary-dark);
    box-shadow: var(--shadow-glow);
    color: #fff;
    transform: translateY(-1px);
}

.btn--secondary {
    background: transparent;
    color: var(--color-primary-light);
    border: 1px solid var(--color-primary);
}
.btn--secondary:hover {
    background: var(--color-primary);
    color: #fff;
}

.btn--accent {
    background: var(--color-accent);
    color: #fff;
    box-shadow: 0 2px 8px rgba(253, 121, 168, 0.3);
}
.btn--accent:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
    color: #fff;
}

.btn--large {
    padding: 1rem 2.5rem;
    font-size: var(--font-size-lg);
    border-radius: var(--radius-lg);
}

.btn--block { width: 100%; }

.btn--ghost {
    background: transparent;
    color: var(--color-text-muted);
    border: 1px solid rgba(255,255,255,0.1);
}
.btn--ghost:hover {
    border-color: var(--color-primary);
    color: var(--color-primary-light);
}

/* ── Hero Section ───────────────────────────────────────── */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: calc(var(--navbar-height) + var(--space-3xl)) var(--space-lg) var(--space-4xl);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%; left: -50%;
    width: 200%; height: 200%;
    background: radial-gradient(ellipse at 30% 50%, rgba(108,92,231,0.12) 0%, transparent 50%),
                radial-gradient(ellipse at 70% 50%, rgba(0,206,201,0.08) 0%, transparent 50%);
    animation: heroGlow 15s ease-in-out infinite alternate;
}

@keyframes heroGlow {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(-5%, 5%) scale(1.1); }
}

.hero__content { position: relative; max-width: 700px; }

.hero__badge {
    display: inline-block;
    background: rgba(108, 92, 231, 0.15);
    color: var(--color-primary-light);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--space-lg);
    border: 1px solid rgba(108, 92, 231, 0.2);
}

.hero__title {
    font-family: var(--font-family-heading);
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-extrabold);
    line-height: var(--line-height-tight);
    margin-bottom: var(--space-lg);
    letter-spacing: -0.03em;
}

.hero__title .gradient {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-muted);
    margin-bottom: var(--space-2xl);
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

.hero__price {
    display: inline-flex;
    align-items: baseline;
    gap: var(--space-xs);
    background: var(--color-surface);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-2xl);
    border: 1px solid rgba(255,255,255,0.06);
}

.hero__price-currency {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
}

.hero__price-amount {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-extrabold);
    color: var(--color-text);
}

.hero__actions { display: flex; gap: var(--space-md); justify-content: center; flex-wrap: wrap; }

/* ── Sections ───────────────────────────────────────────── */

.section {
    padding: var(--space-4xl) 0;
}

.section__header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section__title {
    font-family: var(--font-family-heading);
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

.section__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    max-width: 500px;
    margin: 0 auto;
}

/* ── How It Works (steps) ───────────────────────────────── */

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-xl);
}

.step-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    border: 1px solid rgba(255,255,255,0.04);
    transition: all var(--transition-base);
    position: relative;
}

.step-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
    transform: translateY(-4px);
}

.step-card__number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px; height: 48px;
    border-radius: var(--radius-full);
    background: rgba(108, 92, 231, 0.15);
    color: var(--color-primary-light);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-md);
}

.step-card__title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-sm);
}

.step-card__text {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

/* ── Cards ──────────────────────────────────────────────── */

.card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    border: 1px solid rgba(255,255,255,0.04);
}

.card--elevated {
    box-shadow: var(--shadow-md);
}

/* ── Forms ──────────────────────────────────────────────── */

.form-group { margin-bottom: var(--space-lg); }

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin-bottom: var(--space-sm);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--color-bg-light);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    outline: none;
}

.form-input:focus,
.form-textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.15);
}

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

.form-textarea { resize: vertical; min-height: 120px; }

.form-hint {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-top: var(--space-xs);
}

/* ── Alerts ─────────────────────────────────────────────── */

.alert {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    font-size: var(--font-size-sm);
    border: 1px solid transparent;
}

.alert--error   { background: rgba(255,107,107,0.1); color: var(--color-error); border-color: rgba(255,107,107,0.2); }
.alert--success { background: rgba(0,184,148,0.1); color: var(--color-success); border-color: rgba(0,184,148,0.2); }
.alert--info    { background: rgba(116,185,255,0.1); color: var(--color-info); border-color: rgba(116,185,255,0.2); }
.alert--warning { background: rgba(253,203,110,0.1); color: var(--color-warning); border-color: rgba(253,203,110,0.2); }

/* ── Table ──────────────────────────────────────────────── */

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

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th, .table td {
    padding: var(--space-md);
    text-align: left;
    border-bottom: 1px solid rgba(255,255,255,0.04);
}

.table th {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table td { font-size: var(--font-size-sm); }

.table tr:hover td { background: rgba(255,255,255,0.02); }

/* ── Badge / Tag ────────────────────────────────────────── */

.badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
}

.badge--draft     { background: rgba(162,155,254,0.15); color: #a29bfe; }
.badge--running   { background: rgba(116,185,255,0.15); color: var(--color-info); }
.badge--completed { background: rgba(0,184,148,0.15); color: var(--color-success); }
.badge--failed    { background: rgba(255,107,107,0.15); color: var(--color-error); }
.badge--pending   { background: rgba(253,203,110,0.15); color: var(--color-warning); }

/* ── Result Steps ───────────────────────────────────────── */

.result-step {
    border-left: 3px solid var(--color-primary);
    padding: var(--space-lg);
    margin: var(--space-md) 0;
    background: var(--color-surface);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.result-step__title {
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-xs);
}

.result-step__meta {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}

.result-step__content {
    font-size: var(--font-size-sm);
    line-height: var(--line-height);
}

/* ── Footer ─────────────────────────────────────────────── */

.footer {
    border-top: 1px solid rgba(255,255,255,0.04);
    padding: var(--space-3xl) 0 var(--space-xl);
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.footer__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer__links { display: flex; gap: var(--space-lg); }
.footer__links a { color: var(--color-text-muted); }
.footer__links a:hover { color: var(--color-text); }

/* ── Auth Pages ─────────────────────────────────────────── */

.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    border: 1px solid rgba(255,255,255,0.04);
    box-shadow: var(--shadow-lg);
}

.auth-card__title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-xl);
    text-align: center;
}

.auth-separator {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin: var(--space-lg) 0;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.auth-separator::before,
.auth-separator::after {
    content: '';
    flex: 1;
    height: 1px;
    background: rgba(255,255,255,0.08);
}

.oauth-buttons { display: flex; flex-direction: column; gap: var(--space-sm); }

.oauth-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.65rem var(--space-lg);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255,255,255,0.1);
    background: transparent;
    color: var(--color-text);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.oauth-btn:hover { border-color: var(--color-primary); background: rgba(108,92,231,0.05); }

/* ── Spinner ────────────────────────────────────────────── */

.spinner {
    width: 32px; height: 32px;
    border: 3px solid rgba(255,255,255,0.1);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-8px); }
    40% { transform: translateX(8px); }
    60% { transform: translateX(-4px); }
    80% { transform: translateX(4px); }
}

/* ── Page Content ───────────────────────────────────────── */

.page-content {
    padding-top: calc(var(--navbar-height) + var(--space-2xl));
    padding-bottom: var(--space-4xl);
    min-height: 100vh;
}

/* ── Purchase Page ──────────────────────────────────────── */

.purchase-box {
    text-align: center;
}

.purchase-box__price {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-extrabold);
}

.purchase-box__price-old {
    text-decoration: line-through;
    color: var(--color-text-muted);
    font-size: var(--font-size-xl);
}

/* ── Purchase Flow (unified stepper) ─────────────────────── */

.purchase-flow {
    min-height: 100vh;
    padding-top: 0;
}

.purchase-stepper {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(15, 15, 26, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    padding: var(--space-lg) var(--space-xl);
}

.purchase-stepper__inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    max-width: 700px;
    margin: 0 auto;
}

.purchase-stepper__step {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    white-space: nowrap;
    opacity: 0.4;
    transition: opacity var(--transition-base);
}

.purchase-stepper__step--active {
    opacity: 1;
}

.purchase-stepper__step--done {
    opacity: 0.7;
}

.purchase-stepper__number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(108, 92, 231, 0.15);
    color: var(--color-primary-light);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-sm);
    flex-shrink: 0;
    transition: all var(--transition-base);
}

.purchase-stepper__step--active .purchase-stepper__number {
    background: var(--color-primary);
    color: #fff;
    box-shadow: 0 0 12px rgba(108, 92, 231, 0.4);
}

.purchase-stepper__step--done .purchase-stepper__number {
    background: var(--color-success);
    color: #fff;
}

.purchase-stepper__label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-muted);
}

.purchase-stepper__step--active .purchase-stepper__label {
    color: var(--color-text);
    font-weight: var(--font-weight-semibold);
}

.purchase-stepper__connector {
    width: 40px;
    height: 2px;
    background: rgba(255,255,255,0.1);
    margin: 0 var(--space-sm);
    flex-shrink: 0;
    transition: background var(--transition-base);
}

.purchase-stepper__connector--done {
    background: var(--color-success);
}

.purchase-flow__header {
    text-align: center;
    padding: var(--space-2xl) var(--space-lg) var(--space-lg);
}

.purchase-flow__product-name {
    font-family: var(--font-family-heading);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.purchase-flow__subtitle {
    text-align: center;
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
    padding: 0 var(--space-lg);
}

.purchase-flow__panel {
    /* panels are toggled via JS display */
}

.purchase-flow__complete {
    padding: var(--space-2xl) var(--space-lg);
}

@media (max-width: 768px) {
    .purchase-stepper__label {
        display: none;
    }
    .purchase-stepper__inner {
        gap: 0;
    }
    .purchase-stepper__connector {
        width: 24px;
    }
    .purchase-flow__product-name {
        font-size: var(--font-size-xl);
    }
}

@media (min-width: 769px) {
    .purchase-stepper__label {
        display: block;
    }
}

/* ── Questionnaire (typeform-style) ─────────────────────── */

.questionnaire {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
}

/* When inside purchase flow, reduce min-height to account for stepper */
.purchase-flow .questionnaire {
    min-height: calc(100vh - 200px);
}

.question-card {
    width: 100%;
    max-width: 600px;
    text-align: center;
}

.question-card__counter {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
}

.question-card__title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-2xl);
    line-height: var(--line-height-tight);
}

.question-card__input {
    width: 100%;
    padding: 1rem 1.5rem;
    font-size: var(--font-size-xl);
    background: transparent;
    border: none;
    border-bottom: 2px solid rgba(255,255,255,0.15);
    color: var(--color-text);
    text-align: center;
    outline: none;
    transition: border-color var(--transition-fast);
}

.question-card__input:focus {
    border-bottom-color: var(--color-primary);
}

.question-card__actions {
    margin-top: var(--space-2xl);
    display: flex;
    gap: var(--space-md);
    justify-content: center;
}

.progress-bar {
    position: fixed;
    top: 0; left: 0;
    height: 3px;
    background: var(--color-primary);
    transition: width var(--transition-base);
    z-index: 1001;
}

/* ── Responsive ─────────────────────────────────────────── */

@media (max-width: 768px) {
    .hero__title { font-size: var(--font-size-3xl); }
    .hero__subtitle { font-size: var(--font-size-base); }
    .hero__price-amount { font-size: var(--font-size-3xl); }

    .section__title { font-size: var(--font-size-2xl); }

    .navbar__links { display: none; }
    .navbar__links.active {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: var(--navbar-height);
        left: 0; right: 0;
        background: var(--color-bg);
        padding: var(--space-lg);
        gap: var(--space-md);
        border-bottom: 1px solid rgba(255,255,255,0.06);
    }
    .navbar__menu-btn { display: block; }

    .footer__inner { flex-direction: column; text-align: center; }
    .footer__links { justify-content: center; }

    .steps { grid-template-columns: 1fr; }

    .question-card__title { font-size: var(--font-size-2xl); }
    .question-card__input { font-size: var(--font-size-lg); }
}

@media (max-width: 480px) {
    .hero { padding-left: var(--space-md); padding-right: var(--space-md); }
    .hero__actions { flex-direction: column; }
    .btn--large { width: 100%; }
    .auth-card { padding: var(--space-lg); }
}

/* ── Language Switcher ───────────────────────────────────── */
.lang-switcher {
    position: relative;
    display: inline-flex;
    align-items: center;
}

.lang-switcher__btn {
    background: none;
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--radius-md);
    padding: 4px 8px;
    font-size: 1.2rem;
    cursor: pointer;
    line-height: 1;
    transition: border-color var(--transition-fast);
}
.lang-switcher__btn:hover {
    border-color: var(--color-primary-light);
}

.lang-switcher__dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    background: var(--color-surface);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
    min-width: 150px;
    z-index: 1000;
    overflow: hidden;
}
.lang-switcher__dropdown--open {
    display: block;
}

.lang-switcher__item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    color: var(--color-text);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: background var(--transition-fast);
}
.lang-switcher__item:hover {
    background: rgba(255,255,255,0.05);
}
.lang-switcher__item--active {
    color: var(--color-primary-light);
    font-weight: var(--font-weight-semibold);
}

/* Footer language flags */
.lang-switcher--footer {
    display: inline-flex;
    gap: var(--space-xs);
    margin-left: var(--space-md);
}
.lang-switcher__flag {
    font-size: 1.2rem;
    text-decoration: none;
    opacity: 0.5;
    transition: opacity var(--transition-fast);
}
.lang-switcher__flag:hover,
.lang-switcher__flag--active {
    opacity: 1;
}