/* =========================================================================
   Siebesiech IT – it7siech.ch
   Schlicht, modern, schnell. Systemfonts (kein externer Font-Load).
   Ein Akzent: die «7».
   ========================================================================= */

:root {
    --ink:       #14171e;   /* fast schwarz, leicht bläulich */
    --ink-soft:  #2a2f3a;
    --muted:     #5b6472;
    --line:      #e6e8ec;
    --paper:     #ffffff;
    --soft:      #f5f6f8;
    --accent:    #ff5330;   /* die 7 – warm, wach, ein bisschen frech */
    --accent-ink:#e63d1c;
    --radius:    14px;
    --wrap:      1080px;
    --shadow:    0 1px 2px rgba(20,23,30,.04), 0 12px 30px rgba(20,23,30,.06);
}

* { box-sizing: border-box; }

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

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
                 Helvetica, Arial, sans-serif;
    color: var(--ink);
    background: var(--paper);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    * { animation: none !important; transition: none !important; }
}

a { color: var(--accent-ink); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
    width: 100%;
    max-width: var(--wrap);
    margin: 0 auto;
    padding: 0 24px;
}

/* Die «7» – überall der gestalterische Anker ------------------------------ */
.seven {
    color: var(--accent);
    font-weight: 800;
    font-style: normal;
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--ink);
    color: #fff;
    padding: 10px 16px;
    border-radius: 0 0 8px 0;
    z-index: 100;
}
.skip-link:focus { left: 0; }

/* Header ------------------------------------------------------------------ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255,255,255,.86);
    backdrop-filter: saturate(180%) blur(10px);
    border-bottom: 1px solid var(--line);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}
.brand {
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -.02em;
    color: var(--ink);
}
.brand:hover { text-decoration: none; }
.brand .tld { color: var(--muted); font-weight: 600; }

.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav a { color: var(--ink-soft); font-weight: 600; font-size: .95rem; }
.site-nav a:hover { color: var(--accent-ink); text-decoration: none; }
.nav-cta {
    background: var(--ink);
    color: #fff !important;
    padding: 9px 18px;
    border-radius: 999px;
}
.nav-cta:hover { background: var(--accent); text-decoration: none; }

/* Hero -------------------------------------------------------------------- */
.hero {
    position: relative;
    background:
        radial-gradient(1100px 460px at 78% -8%, rgba(255,83,48,.18), transparent 60%),
        linear-gradient(180deg, #14171e 0%, #1a1e28 100%);
    color: #f4f5f7;
    overflow: hidden;
}
.hero-inner {
    padding: 92px 24px 100px;
    max-width: 860px;
    margin: 0 auto;
    text-align: center;
}
.kicker {
    display: inline-block;
    margin: 0 0 26px;
    padding: 6px 14px;
    font-size: .8rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: #ffd7cc;
    background: rgba(255,83,48,.14);
    border: 1px solid rgba(255,83,48,.3);
    border-radius: 999px;
}
.wordmark {
    margin: 0;
    font-size: clamp(3.4rem, 12vw, 7rem);
    font-weight: 800;
    letter-spacing: -.04em;
    line-height: 1;
    color: #fff;
}
.wordmark .seven {
    display: inline-block;
    position: relative;
    color: var(--accent);
    transform: rotate(-4deg);
    text-shadow: 0 0 34px rgba(255,83,48,.55);
}
.pronounce {
    margin: 18px 0 0;
    color: #aeb6c4;
    font-size: 1rem;
    letter-spacing: .04em;
}
.pronounce strong { color: var(--accent); font-weight: 700; }

.claim {
    margin: 40px 0 0;
    font-size: clamp(1.6rem, 4.2vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -.02em;
    color: #fff;
}
.lead {
    margin: 22px auto 0;
    max-width: 620px;
    color: #c3cad6;
    font-size: 1.08rem;
}
.hero-actions {
    margin-top: 40px;
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons ----------------------------------------------------------------- */
.btn {
    display: inline-block;
    padding: 14px 26px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    border: 1px solid transparent;
    transition: transform .12s ease, background .2s ease, border-color .2s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #ff6a4c; }
.btn-ghost {
    background: transparent;
    color: #fff;
    border-color: rgba(255,255,255,.28);
}
.btn-ghost:hover { border-color: #fff; }
.btn-block { width: 100%; text-align: center; }

/* Sections ---------------------------------------------------------------- */
.section { padding: 88px 0; }
.section-dark { background: var(--ink); color: #e9ebf0; }

.eyebrow {
    margin: 0 0 10px;
    font-size: .82rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--accent);
}
.section-title {
    margin: 0 0 16px;
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 800;
    letter-spacing: -.03em;
    line-height: 1.1;
}
.section-intro {
    max-width: 620px;
    color: var(--muted);
    font-size: 1.08rem;
    margin: 0 0 44px;
}

/* Leistungs-Karten -------------------------------------------------------- */
.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.card {
    position: relative;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 28px 24px;
    box-shadow: var(--shadow);
    transition: transform .15s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-3px); border-color: #d4d7dd; }
.card-num {
    display: block;
    font-size: .9rem;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 14px;
    letter-spacing: .04em;
}
.card h3 {
    margin: 0 0 8px;
    font-size: 1.16rem;
    font-weight: 700;
    letter-spacing: -.01em;
}
.card p { margin: 0; color: var(--muted); font-size: .98rem; }
.card-accent {
    background: linear-gradient(160deg, #fff5f2 0%, #ffece6 100%);
    border-color: #ffd6c9;
}
.card-accent .card-num { font-size: 1.4rem; }

/* Der Siebesiech ---------------------------------------------------------- */
.siebesiech-grid {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 48px;
    align-items: center;
}
.section-dark .section-title { color: #fff; }
.siebesiech-text p { color: #c3cad6; font-size: 1.08rem; }
.siebesiech-text p:last-child { margin-bottom: 0; }

.explainer {
    background: #1d222d;
    border: 1px solid #2c3340;
    border-left: 4px solid var(--accent);
    border-radius: var(--radius);
    padding: 30px 28px;
}
.explainer h3 {
    margin: 0 0 14px;
    font-size: 1.2rem;
    color: #fff;
}
.explainer p { color: #b9c1cf; margin: 0 0 14px; font-size: 1rem; }
.explainer strong { color: #fff; }
.explainer-note { font-size: .95rem !important; color: #96a0b0 !important; }
.explainer-say {
    margin: 4px 0 0 !important;
    font-size: .95rem !important;
    color: #96a0b0 !important;
}
.explainer-say span {
    color: var(--accent);
    font-weight: 700;
    letter-spacing: .03em;
}

/* Kontakt ----------------------------------------------------------------- */
.contact-grid {
    display: grid;
    grid-template-columns: .9fr 1.1fr;
    gap: 48px;
    align-items: start;
}
.contact-intro p { color: var(--muted); font-size: 1.08rem; }
.contact-facts { list-style: none; padding: 0; margin: 28px 0 0; }
.contact-facts li {
    padding: 16px 0;
    border-top: 1px solid var(--line);
    color: var(--ink-soft);
}
.contact-facts li:last-child { border-bottom: 1px solid var(--line); }
.fact-label {
    display: block;
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 4px;
}

/* Formular ---------------------------------------------------------------- */
.contact-form-wrap {
    background: var(--soft);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 32px;
}
.field { margin-bottom: 18px; }
.field label {
    display: block;
    font-weight: 600;
    font-size: .95rem;
    margin-bottom: 7px;
}
.field .opt { color: var(--muted); font-weight: 400; }
.field input,
.field textarea {
    width: 100%;
    padding: 12px 14px;
    font: inherit;
    color: var(--ink);
    background: #fff;
    border: 1px solid #d7dbe1;
    border-radius: 10px;
    transition: border-color .15s ease, box-shadow .15s ease;
}
.field input:focus,
.field textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(255,83,48,.15);
}
.field textarea { resize: vertical; min-height: 120px; }
.field-error {
    display: block;
    margin-top: 6px;
    color: var(--accent-ink);
    font-size: .88rem;
    font-weight: 600;
}
.form-note {
    margin: 14px 0 0;
    font-size: .85rem;
    color: var(--muted);
    text-align: center;
}

/* Honeypot – für Menschen unsichtbar */
.hp {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* Hinweise (Erfolg / Fehler) ---------------------------------------------- */
.notice {
    padding: 20px 22px;
    border-radius: var(--radius);
    font-size: 1rem;
}
.notice strong { display: block; font-size: 1.1rem; margin-bottom: 4px; }
.notice p { margin: 0; }
.notice-success {
    background: #eafaf0;
    border: 1px solid #b7e6c8;
    color: #1a6b3c;
}
.notice-error {
    background: #fdecea;
    border: 1px solid #f5c4bb;
    color: var(--accent-ink);
    margin-bottom: 20px;
}

/* Footer ------------------------------------------------------------------ */
.site-footer {
    background: var(--ink);
    color: #9aa3b2;
    padding: 28px 0;
}
.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}
.footer-brand { font-weight: 800; color: #fff; font-size: 1.1rem; }
.footer-meta { font-size: .9rem; }

/* Responsive -------------------------------------------------------------- */
@media (max-width: 860px) {
    .cards { grid-template-columns: repeat(2, 1fr); }
    .siebesiech-grid,
    .contact-grid { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 620px) {
    .section { padding: 64px 0; }
    .hero-inner { padding: 66px 20px 72px; }
    .site-nav { gap: 16px; }
    .site-nav a:not(.nav-cta) { display: none; }   /* Menü schlank auf Mobile */
    .cards { grid-template-columns: 1fr; }
    .contact-form-wrap { padding: 24px 20px; }
    .footer-inner { flex-direction: column; text-align: center; }
}