/* ======================================================
   Tap and Order — Silver Landing Theme
   landing.css — gilt nur für index.php
   ====================================================== */

/* ── Design Tokens ────────────────────────────────── */
:root {
    --bg:          #f5f6f8;
    --bg-alt:      #edf0f5;
    --card:        #ffffff;
    --card-2:      #f9fafb;

    --text:        #111827;
    --text-muted:  #64748b;
    --text-light:  #94a3b8;

    --sl-100:  #f8fafc;
    --sl-200:  #f1f5f9;
    --sl-300:  #e2e8f0;
    --sl-400:  #cbd5e1;
    --sl-500:  #94a3b8;
    --sl-600:  #64748b;
    --sl-700:  #475569;
    --sl-800:  #334155;
    --sl-900:  #1e293b;
    --sl-950:  #0f172a;

    --border:       #e2e8f0;
    --border-light: #f1f5f9;

    --primary:       #111827;
    --primary-hover: #1f2937;
    --primary-light: rgba(17,24,39,.07);

    --input-bg:     #ffffff;
    --input-border: #cbd5e1;

    --success-bg:     #f0fdf4;
    --success-border: #86efac;
    --success-text:   #15803d;
    --error-bg:       #fef2f2;
    --error-border:   #fca5a5;
    --error-text:     #dc2626;

    --radius-sm: 8px;
    --radius:    12px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    --shadow-xs: 0 1px 2px rgba(15,23,42,.05);
    --shadow-sm: 0 1px 4px rgba(15,23,42,.06), 0 2px 8px rgba(15,23,42,.04);
    --shadow:    0 4px 16px rgba(15,23,42,.08), 0 1px 4px rgba(15,23,42,.04);
    --shadow-lg: 0 12px 40px rgba(15,23,42,.10), 0 4px 12px rgba(15,23,42,.05);

    --header-h: 64px;
}

/* ── Base ─────────────────────────────────────────── */
html { background: var(--bg); color-scheme: light; }
body { background: var(--bg); color: var(--text); font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif; }
a { color: var(--sl-700); }
a:hover { color: var(--primary); }

/* ── Header ──────────────────────────────────────── */
header {
    height: 64px;
    background: rgba(255,255,255,.94);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-xs);
    padding: 0 32px;
}
.logo img { height: 32px; }
.nav-links a { color: var(--text-muted); font-size: .88rem; }
.nav-links a:hover { color: var(--text); background: var(--bg-alt); text-decoration: none; }

/* ── Buttons ─────────────────────────────────────── */
.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: none;
    letter-spacing: .01em;
}
.btn-primary:hover {
    background: var(--primary-hover);
    color: #fff;
    box-shadow: var(--shadow);
    transform: translateY(-1px);
    text-decoration: none;
}
.btn-outline {
    background: var(--card);
    border: 1.5px solid var(--border);
    color: var(--text);
}
.btn-outline:hover {
    background: var(--card);
    border-color: var(--sl-400);
    color: var(--text);
    transform: translateY(-1px);
    text-decoration: none;
}

/* ── Section headers ─────────────────────────────── */
.section-header { text-align: center; margin-bottom: 56px; }
.section-kicker {
    font-size: .76rem;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--sl-600);
    display: block;
    margin-bottom: 8px;
}
.section-title {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -.03em;
    color: var(--text);
    margin: 0 0 16px;
    line-height: 1.2;
}
.section-lead {
    color: var(--text-muted);
    font-size: 1rem;
    max-width: 600px;
    margin: 0 auto;
    display: block;
    line-height: 1.75;
}

/* ── Hero ─────────────────────────────────────────── */
.hero {
    background: var(--card) !important;
    min-height: 100vh;
    padding: 80px 32px 96px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--sl-400) 1px, transparent 1px),
        linear-gradient(90deg, var(--sl-400) 1px, transparent 1px);
    background-size: 48px 48px;
    opacity: 1;
    pointer-events: none;
    -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 40%, black 20%, transparent 100%);
    mask-image:         radial-gradient(ellipse 80% 80% at 50% 40%, black 20%, transparent 100%);
}
.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 70% 50% at 50% 0%, rgba(148,163,184,.06) 0%, transparent 70%);
    pointer-events: none;
}
.hero-inner {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 4px 16px 4px 8px;
    font-size: .82rem;
    font-weight: 600;
    color: var(--sl-700);
    margin-bottom: 32px;
    box-shadow: var(--shadow-xs);
}
.hero-badge .dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--sl-500);
    flex-shrink: 0;
}
.hero-content h1 {
    font-size: clamp(2.6rem, 5.5vw, 4rem);
    font-weight: 900;
    letter-spacing: -.045em;
    line-height: 1.08;
    margin: 0 0 24px;
    color: var(--text);
}
.hero-content h1 em {
    font-style: normal;
    background: linear-gradient(120deg, var(--sl-700) 0%, var(--sl-500) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-content p {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 540px;
    margin: 0 auto 32px;
    line-height: 1.75;
}
.hero-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}
.hero-stats {
    position: relative;
    z-index: 1;
    display: flex;
    gap: 40px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 64px;
    padding-top: 40px;
    border-top: 1px solid var(--border);
    width: 100%;
    max-width: 800px;
}
.hero-stat { text-align: center; }
.hero-stat strong {
    display: block;
    font-size: 1.55rem;
    font-weight: 800;
    letter-spacing: -.03em;
    color: var(--text);
    line-height: 1.2;
}
.hero-stat span {
    font-size: .82rem;
    color: var(--text-muted);
    font-weight: 500;
}
.hero-scroll-down {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    color: var(--sl-400);
    z-index: 2;
    transition: color .2s;
}
.hero-scroll-down:hover { color: var(--sl-600); }
.hero-scroll-down svg { width: 24px; height: 24px; animation: bounce 2s ease-in-out infinite; }
@keyframes bounce { 0%,100%{ transform:translateY(0); } 50%{ transform:translateY(8px); } }

/* ── Steps / Phasen ───────────────────────────────── */
.steps-section { padding: 96px 32px; background: var(--bg); }
.steps-section .container { max-width: 1100px; margin: 0 auto; padding: 0; }

.phases-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0 32px;
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
}

/* Verbindungslinie hinter den Kreisen */
.phases-grid::before {
    content: '';
    position: absolute;
    top: 20px;
    left: calc(100% / 8);
    right: calc(100% / 8);
    height: 1px;
    background: var(--border);
    z-index: 0;
}

.phase-card {
    text-align: center;
    padding: 0 16px;
}

.phase-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--card);
    border: 1.5px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: .78rem;
    font-weight: 800;
    color: var(--sl-600);
    position: relative;
    z-index: 1;
    letter-spacing: .02em;
    transition: border-color .2s, color .2s;
}

.phase-card:hover .phase-circle {
    border-color: var(--sl-500);
    color: var(--primary);
}

.phase-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text);
    margin: 0 0 12px;
    letter-spacing: -.01em;
}

.phase-card p {
    font-size: .88rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin: 0;
}

/* ── Features ─────────────────────────────────────── */
.features-section {
    padding: 96px 32px;
    background: var(--bg-alt);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.features-grid { max-width: 1100px; margin: 0 auto; }
.feature-card {
    background: var(--card);
    border: 1px solid var(--border);
    transition: border-color .2s, box-shadow .2s, transform .2s;
}
.feature-card:hover {
    border-color: var(--sl-400);
    box-shadow: var(--shadow);
    transform: translateY(-4px);
}
.feature-icon { background: var(--bg-alt); color: var(--sl-700); border: 1px solid var(--border); }
.feature-card h3 { color: var(--text); }
.feature-card p  { color: var(--text-muted); }

/* ── Hardware ─────────────────────────────────────── */
.section-alt {
    background: var(--card);
    padding: 96px 32px;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.device-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    transition: box-shadow .2s, transform .2s;
}
.device-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.device-card h3 { color: var(--text-muted); }
.device-card h4 { color: var(--primary); }
.device-card p  { color: var(--text-muted); }
.device-image { border: 1px solid var(--border); background: var(--card); }

/* ── Payment ──────────────────────────────────────── */
#payment {
    background: var(--bg);
    padding: 96px 32px;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.payment-wrapper h2 { color: var(--text); }
.payment-wrapper > div > p { color: var(--text-muted); }
.highlight-box {
    background: var(--card);
    border-left: 3px solid var(--sl-400);
    border-top: 1px solid var(--border);
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.highlight-box h3 { color: var(--text); }
.highlight-box h3 i { color: var(--sl-700); }
.highlight-box p { color: var(--text-muted); }
.check-list li { color: var(--text); }
.check-list i.fa-check-circle { color: #16a34a; }
.check-list i.fa-info-circle  { color: var(--sl-600); }
.check-list a { color: var(--sl-700); }
.payment-image { border: 1px solid var(--border); background: var(--card); }

/* ── Offers ───────────────────────────────────────── */
#offers {
    padding: 96px 32px;
    background: var(--bg-alt);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.offers-shell { max-width: 720px; margin: 0 auto; }

/* CTA trigger */
.offer-trigger {
    text-align: center;
    padding: 40px 0 8px;
}
.offer-trigger .btn-pill {
    font-size: 1rem;
    padding: 16px 48px;
}
.offer-trigger-note {
    margin-top: 12px;
    font-size: .82rem;
    color: var(--text-light);
}

/* Form wrapper */
.offer-form-wrap { display: none; }
.offer-form-wrap.is-open {
    display: block;
    animation: fadeUp .3s ease;
}
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Progress steps */
.form-progress { margin-bottom: 40px; }
.progress-steps { display: flex; margin-bottom: 16px; gap: 4px; }
.progress-step {
    flex: 1;
    text-align: center;
    font-size: .74rem;
    font-weight: 700;
    color: var(--text-light);
    padding: 0 4px 12px;
    border-bottom: 2px solid var(--border);
    letter-spacing: .04em;
    text-transform: uppercase;
    transition: color .2s, border-color .2s;
    cursor: default;
}
.progress-step.is-done   { color: var(--sl-600); border-color: var(--sl-400); }
.progress-step.is-active { color: var(--primary); border-color: var(--primary); }
.progress-meta {
    display: flex;
    justify-content: flex-end;
    font-size: .8rem;
    color: var(--text-light);
}

/* Form card */
.offer-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-sm);
}

/* Steps */
.form-step { display: none; }
.form-step.is-active { display: block; }
.step-heading {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--text);
    margin: 0 0 4px;
    letter-spacing: -.02em;
}
.step-subheading {
    font-size: .88rem;
    color: var(--text-muted);
    margin: 0 0 32px;
}

/* Form grid */
.f-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.f-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.f-grid-5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.f-mt { margin-top: 16px; }

/* Fields */
.f-field { display: flex; flex-direction: column; gap: 6px; }
.f-field label {
    font-size: .8rem;
    font-weight: 600;
    color: var(--sl-700);
    letter-spacing: .01em;
}
.f-field input, .f-field textarea, .f-field select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--input-border);
    border-radius: var(--radius-sm);
    background: var(--input-bg);
    color: var(--text);
    font-family: inherit;
    font-size: .9rem;
    line-height: 1.5;
    transition: border-color .15s, box-shadow .15s;
    -webkit-appearance: none;
    appearance: none;
}
.f-field input:focus, .f-field textarea:focus {
    outline: none;
    border-color: var(--sl-500);
    box-shadow: 0 0 0 3px rgba(148,163,184,.18);
}
.f-field input.is-err, .f-field textarea.is-err {
    border-color: var(--error-text);
    box-shadow: 0 0 0 3px rgba(220,38,38,.10);
}
.f-field input::placeholder, .f-field textarea::placeholder { color: var(--text-light); }
.f-field input[type="date"]::-webkit-calendar-picker-indicator { cursor: pointer; opacity: .5; }

/* Number stepper */
.number-stepper {
    display: flex;
    align-items: center;
    border: 1px solid var(--input-border);
    border-radius: var(--radius-sm);
    background: var(--input-bg);
    overflow: hidden;
}
.number-stepper button {
    width: 40px; height: 40px;
    border: none;
    background: none;
    color: var(--sl-600);
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background .15s;
    font-weight: 500;
    line-height: 1;
}
.number-stepper button:hover { background: var(--bg-alt); }
.number-stepper input {
    width: 100% !important;
    border: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    text-align: center;
    font-weight: 600;
    padding: 8px 4px !important;
    background: transparent !important;
}
.number-stepper input:focus { box-shadow: none !important; border: none !important; }

/* Checkbox card */
.checkbox-card {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--card);
    cursor: pointer;
    transition: border-color .15s, background .15s;
    user-select: none;
}
.checkbox-card:hover { border-color: var(--sl-400); }
.checkbox-card.is-checked { border-color: var(--primary); background: var(--primary-light); }
.checkbox-card input[type="checkbox"] {
    width: 18px; height: 18px;
    accent-color: var(--primary);
    cursor: pointer;
    flex-shrink: 0;
    margin-top: 1px;
}
.checkbox-card-text { display: flex; flex-direction: column; gap: 2px; }
.checkbox-card-label { font-size: .9rem; font-weight: 600; color: var(--text); }
.checkbox-card-desc  { font-size: .8rem; color: var(--text-muted); }

/* Alerts */
.offer-alert {
    padding: 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 24px;
    font-size: .9rem;
    font-weight: 500;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}
.offer-alert.is-success { background: var(--success-bg); border: 1px solid var(--success-border); color: var(--success-text); }
.offer-alert.is-error   { background: var(--error-bg);   border: 1px solid var(--error-border);   color: var(--error-text); }

/* Success state */
.offer-success {
    text-align: center;
    padding: 64px 32px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}
.offer-success-icon {
    width: 56px; height: 56px;
    background: var(--success-bg);
    border: 1px solid var(--success-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 1.4rem;
    color: var(--success-text);
}
.offer-success h3 { font-size: 1.25rem; font-weight: 800; color: var(--text); margin: 0 0 8px; letter-spacing: -.02em; }
.offer-success p  { color: var(--text-muted); margin: 0; font-size: .95rem; }

/* Form navigation */
.form-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    gap: 12px;
}
.form-nav-right { display: flex; gap: 12px; }

/* ── Contact ──────────────────────────────────────── */
#contact {
    background: var(--card);
    padding: 96px 32px;
    border-top: 1px solid var(--border);
}
.contact-shell { max-width: 640px; margin: 0 auto; }
.contact-lead { display: block; text-align: center; color: var(--text-muted); margin: 0 auto 40px; font-size: 1rem; }
.contact-form {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px;
    display: grid;
    gap: 16px;
}
.contact-form input, .contact-form textarea {
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    color: var(--text);
}
.contact-form input:focus, .contact-form textarea:focus {
    border-color: var(--sl-500);
    box-shadow: 0 0 0 3px rgba(148,163,184,.18);
    outline: none;
}

/* ── Footer ───────────────────────────────────────── */
footer {
    background: var(--sl-950);
    padding: 64px 32px 40px;
    border-top: none;
}
.footer-grid { max-width: 1100px; margin: 0 auto 48px; gap: 32px; }
.footer-grid h4 { color: var(--sl-300); font-size: .78rem; letter-spacing: .1em; }
.footer-grid p  { color: var(--sl-600); font-size: .86rem; margin-bottom: 4px; }
.footer-grid a  { color: var(--sl-600); font-size: .86rem; display: block; margin-bottom: 4px; }
.footer-grid a:hover { color: var(--sl-300); text-decoration: none; }
.footer-bottom {
    max-width: 1100px;
    margin: 0 auto;
    padding-top: 32px;
    border-top: 1px solid rgba(255,255,255,.08);
}
.footer-bottom p { color: var(--sl-700); font-size: .8rem; margin: 0; }

/* ── Responsive ───────────────────────────────────── */
@media (max-width: 900px) {
    header { padding: 0 24px; }
    .hero { padding: 80px 24px 80px; }
    .hero-stats { gap: 24px; margin-top: 48px; padding-top: 32px; }
    .steps-section, .features-section, .section-alt, #payment, #offers, #contact { padding: 64px 24px; }
    .phases-grid { grid-template-columns: 1fr 1fr; gap: 40px 32px; }
    .phases-grid::before { display: none; }
    .f-grid-3, .f-grid-5 { grid-template-columns: 1fr 1fr; }
    .offer-card { padding: 32px 24px; }
    footer { padding: 48px 24px 32px; }
}
@media (max-width: 640px) {
    header { padding: 0 16px; }
    .nav-links { display: none; }
    .hero { padding: 64px 16px 64px; min-height: auto; }
    .hero-stats { display: none; }
    .steps-section, .features-section, .section-alt, #payment, #offers, #contact { padding: 56px 16px; }
    .phases-grid { grid-template-columns: 1fr; gap: 32px; }
    .phase-card { padding: 0; }
    .f-grid-2, .f-grid-3, .f-grid-5 { grid-template-columns: 1fr; }
    .offer-card { padding: 24px 16px; }
    .form-nav { flex-wrap: wrap; }
    .form-nav-right { width: 100%; flex-direction: column; }
    .form-nav-right .btn { width: 100%; justify-content: center; }
    .payment-wrapper { gap: 32px; }
    .section-title { font-size: 1.75rem; }
    footer { padding: 40px 16px 24px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 32px; }
}