/* i7.chat — Landingpage */

.wrap { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.top { position: sticky; top: 0; z-index: 40; background: rgba(246, 244, 239, .85); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.top__in { height: 66px; display: flex; align-items: center; gap: 30px; }
.top__nav { display: flex; gap: 22px; flex: 1; }
.top__nav a { text-decoration: none; color: var(--ink-soft); font-weight: 600; font-size: .95rem; }
.top__nav a:hover { color: var(--plum); }
.top__cta { display: flex; align-items: center; gap: 14px; }
.top__login { text-decoration: none; color: var(--ink); font-weight: 600; font-size: .95rem; }
@media (max-width: 720px) { .top__nav { display: none; } .top__login { display: none; } }

/* Hero */
.hero { padding: 80px 0 60px; position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; width: 640px; height: 640px; border-radius: 50%; right: -200px; top: -260px; background: radial-gradient(circle, rgba(198, 242, 107, .45), transparent 65%); pointer-events: none; }
.hero__in { display: grid; grid-template-columns: 1.1fr .9fr; gap: 50px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--plum); background: var(--plum-tint); padding: .4em .9em; border-radius: 999px; margin-bottom: 20px; }
.eyebrow i { width: 7px; height: 7px; border-radius: 50%; background: var(--lime-deep); }
.hero h1 { font-size: clamp(2.4rem, 5vw, 3.9rem); font-weight: 600; margin-bottom: .4em; }
.hero h1 em { font-style: normal; color: var(--plum); position: relative; }
.hero h1 em::after { content: ''; position: absolute; left: 0; right: 0; bottom: .05em; height: .28em; background: var(--lime); z-index: -1; border-radius: 3px; }
.hero p.lead { font-size: 1.2rem; color: var(--ink-soft); max-width: 540px; margin-bottom: 28px; }
.hero__cta { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin-bottom: 20px; }
.hero__checks { display: flex; gap: 18px; flex-wrap: wrap; font-size: .9rem; color: var(--ink-soft); }
.hero__checks span::before { content: '✓'; color: var(--green); font-weight: 700; margin-right: 6px; }
.hero__demo { position: relative; }
.demo-frame { border-radius: 24px; background: var(--card); box-shadow: var(--shadow-pop); overflow: hidden; height: 560px; border: 1px solid var(--line); }
.demo-frame > div { height: 100%; }
.hero__badge { position: absolute; top: -14px; left: -14px; background: var(--ink); color: var(--lime); font-family: var(--font-mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; padding: .5em .9em; border-radius: 999px; box-shadow: var(--shadow-card); }
@media (max-width: 900px) { .hero { padding: 48px 0 40px; } .hero__in { grid-template-columns: 1fr; } .demo-frame { height: 520px; } }

/* Logos/Vertrauen */
.trust { padding: 16px 0 40px; text-align: center; color: var(--ink-mute); font-size: .86rem; }
.trust__row { display: flex; justify-content: center; gap: 28px; flex-wrap: wrap; margin-top: 12px; font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; color: var(--ink-soft); }

/* Sektionen */
.sec { padding: 72px 0; }
.sec--alt { background: var(--card); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.sec--dark { background: var(--ink); color: #fff; }
.sec--dark h2, .sec--dark h3 { color: #fff; }
.sec__head { max-width: 680px; margin-bottom: 40px; }
.sec__head h2 { margin-bottom: .4em; }
.sec__head p { color: var(--ink-soft); font-size: 1.08rem; }
.sec--dark .sec__head p { color: rgba(255, 255, 255, .75); }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: step; }
.step { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-l); padding: 26px; position: relative; box-shadow: var(--shadow-card); }
.step::before { counter-increment: step; content: counter(step, decimal-leading-zero); font-family: var(--font-mono); font-size: .8rem; letter-spacing: .1em; color: var(--plum); background: var(--lime); padding: .3em .7em; border-radius: 999px; display: inline-block; margin-bottom: 14px; }
.step h3 { margin-bottom: .4em; }
.step p { margin: 0; color: var(--ink-soft); font-size: .95rem; }
@media (max-width: 800px) { .steps { grid-template-columns: 1fr; } }

.feat { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feat article { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-l); padding: 24px; }
.feat article svg { width: 36px; height: 36px; color: var(--plum); background: var(--plum-tint); padding: 8px; border-radius: 10px; margin-bottom: 14px; }
.feat h3 { font-size: 1.1rem; margin-bottom: .35em; }
.feat p { margin: 0; color: var(--ink-soft); font-size: .93rem; }
@media (max-width: 900px) { .feat { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .feat { grid-template-columns: 1fr; } }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.split + .split { margin-top: 70px; }
.split:nth-child(even) > :first-child { order: 2; }
.split h2 { margin-bottom: .5em; }
.split p { color: var(--ink-soft); }
.split ul { padding-left: 1.2em; color: var(--ink-soft); }
.split li { margin: .35em 0; }
.shot { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-l); box-shadow: var(--shadow-pop); padding: 18px; }
.shot__bar { display: flex; gap: 6px; margin-bottom: 14px; }
.shot__bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--line-strong); }
.shot__row { display: flex; gap: 10px; align-items: center; padding: 10px 12px; border: 1px solid var(--line); border-radius: 12px; margin-bottom: 8px; font-size: .9rem; }
.shot__row b { font-weight: 600; }
.shot__row .badge { margin-left: auto; }
.shot__msg { padding: 10px 14px; border-radius: 14px; background: var(--paper); font-size: .9rem; margin-bottom: 8px; max-width: 85%; }
.shot__msg.u { background: var(--plum); color: #fff; margin-left: auto; }
.shot__msg.h { background: var(--lime-soft); }
.shot__msg small { display: block; font-size: .7rem; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-soft); margin-bottom: 3px; }
.shot__kpi { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 12px; }
.shot__kpi div { background: var(--paper); border-radius: 10px; padding: 10px; }
.shot__kpi b { display: block; font-family: var(--font-display); font-size: 1.3rem; }
.shot__kpi span { font-size: .7rem; color: var(--ink-soft); text-transform: uppercase; letter-spacing: .05em; }
.shot__bars { display: flex; align-items: flex-end; gap: 4px; height: 70px; }
.shot__bars i { flex: 1; background: var(--plum); border-radius: 3px 3px 0 0; opacity: .85; }
@media (max-width: 850px) { .split { grid-template-columns: 1fr; gap: 26px; } .split:nth-child(even) > :first-child { order: 0; } }

/* Rechner */
.calc { display: grid; grid-template-columns: 1fr 1.3fr; gap: 30px; background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .12); border-radius: var(--radius-l); padding: 30px; }
.calc label { color: rgba(255, 255, 255, .8); font-size: .85rem; font-weight: 600; display: block; margin-bottom: .3em; }
.calc input { background: rgba(255, 255, 255, .08); border-color: rgba(255, 255, 255, .2); color: #fff; margin-bottom: 14px; }
.calc table { width: 100%; border-collapse: collapse; font-size: .95rem; }
.calc th, .calc td { text-align: left; padding: .6em .5em; border-bottom: 1px solid rgba(255, 255, 255, .12); }
.calc th { color: rgba(255, 255, 255, .6); font-weight: 600; font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; }
.calc .save-row td { border: 0; padding-top: 16px; }
.calc .save-row b { font-family: var(--font-display); font-size: 1.9rem; color: var(--lime); }
@media (max-width: 800px) { .calc { grid-template-columns: 1fr; } }

/* Preise */
.billing { display: flex; align-items: center; gap: 12px; margin-bottom: 26px; font-size: .92rem; color: var(--ink-soft); }
.billing .switch { color: var(--ink); }
.prices { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; align-items: stretch; }
.price { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-l); padding: 26px 24px; display: flex; flex-direction: column; position: relative; }
.price--hot { border-color: var(--plum); box-shadow: 0 0 0 3px var(--plum-tint), var(--shadow-pop); }
.price__tag { position: absolute; top: -12px; left: 24px; background: var(--plum); color: var(--lime); font-family: var(--font-mono); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; padding: .35em .8em; border-radius: 999px; }
.price h3 { margin-bottom: .2em; }
.price__amount { font-family: var(--font-display); font-size: 2.4rem; font-weight: 600; line-height: 1; margin: 10px 0 2px; }
.price__amount small { font-size: 1.1rem; }
.price__per { font-size: .8rem; color: var(--ink-soft); margin-bottom: 18px; }
.price ul { list-style: none; margin: 0 0 22px; padding: 0; font-size: .9rem; flex: 1; }
.price li { padding: .35em 0 .35em 1.4em; position: relative; border-top: 1px solid var(--line); }
.price li::before { content: '✓'; position: absolute; left: 0; color: var(--green); font-weight: 700; }
.price li.no { color: var(--ink-mute); } .price li.no::before { content: '–'; color: var(--ink-mute); }
.prices__note { margin-top: 16px; font-size: .86rem; color: var(--ink-soft); }
@media (max-width: 1000px) { .prices { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .prices { grid-template-columns: 1fr; } }

/* Branchen */
.industries { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.ind { border: 1px solid var(--line); border-radius: var(--radius-m); padding: 18px; background: var(--card); }
.ind b { display: block; font-family: var(--font-display); font-size: 1.05rem; margin-bottom: .3em; }
.ind p { margin: 0; font-size: .9rem; color: var(--ink-soft); }
@media (max-width: 800px) { .industries { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .industries { grid-template-columns: 1fr; } }

/* FAQ */
.faq { max-width: 760px; }
.faq details { border-bottom: 1px solid var(--line); padding: 4px 0; }
.faq summary { cursor: pointer; font-weight: 600; padding: 14px 0; list-style: none; display: flex; justify-content: space-between; gap: 12px; font-family: var(--font-display); font-size: 1.05rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; color: var(--plum); font-weight: 400; font-size: 1.3rem; line-height: 1; }
.faq details[open] summary::after { content: '–'; }
.faq p { color: var(--ink-soft); margin: 0 0 16px; }

/* CTA */
.cta { text-align: center; padding: 80px 0; }
.cta h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
.cta p { color: var(--ink-soft); font-size: 1.1rem; max-width: 560px; margin: 0 auto 26px; }

/* Footer */
.foot { background: var(--card); border-top: 1px solid var(--line); padding: 46px 0 30px; margin-top: 20px; }
.foot__in { display: grid; grid-template-columns: 1.2fr 2fr; gap: 40px; }
.foot__tag { color: var(--ink-soft); font-size: .9rem; margin-top: 12px; max-width: 320px; }
.foot__cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.foot__cols b { display: block; font-family: var(--font-mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-mute); margin-bottom: 10px; }
.foot__cols a { display: block; text-decoration: none; color: var(--ink-soft); font-size: .9rem; margin-bottom: 6px; }
.foot__cols a:hover { color: var(--plum); }
@media (max-width: 760px) { .foot__in { grid-template-columns: 1fr; } .foot__cols { grid-template-columns: 1fr 1fr; } }

/* Rechtstexte */
.legal { max-width: 760px; padding-top: 50px; padding-bottom: 60px; }
.legal h2 { font-size: 1.2rem; margin-top: 1.6em; }
.legal address { font-style: normal; }

.netz-verbund { margin: 1rem 0 0; font-size: .8rem; opacity: .72; }
.netz-verbund a { color: inherit; text-decoration: underline; text-underline-offset: 2px; }
