/* ============================================================
   JOST · Startseite (Storytelling: Problem → Wende → Lösung →
   Leistungen → Maschinenpark → Branchen → Beweis → Handlung)
   Helle Bildsprache: Hero und Kapitel auf hellen Flächen.
   ============================================================ */

/* ---------- Hero (hell, Text links, Bild vollflächig) ---------- */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; background: var(--grad-page); overflow: clip; padding: calc(var(--nav-h) + 4vh) 0 6vh; }
.hero__bg { position: absolute; inset: 0; z-index: 0; }
.hero__bg img { width: 100%; height: 100%; object-fit: contain; object-position: right center;
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 14%, #000 86%, transparent 100%); mask-image: linear-gradient(180deg, transparent 0%, #000 14%, #000 86%, transparent 100%); }
@media (min-aspect-ratio: 21/9) { .hero__bg img { object-fit: cover; -webkit-mask-image: none; mask-image: none; } }
.hero__scrim { position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(90deg, rgba(246,247,249,.97) 0%, rgba(246,247,249,.9) 28%, rgba(246,247,249,.45) 52%, rgba(246,247,249,0) 72%),
              linear-gradient(180deg, rgba(246,247,249,.5) 0%, rgba(246,247,249,0) 30%, rgba(246,247,249,0) 75%, rgba(246,247,249,.7) 100%); }
.hero__inner { position: relative; z-index: 2; width: 100%; }
.hero__col { max-width: 44rem; }
.hero .eyebrow { color: var(--text-2); }
.hero h1 { margin-top: 1.1rem; }
.hero h1 .accent { color: var(--blue); font-weight: var(--fw-med); }
.hero .lead { margin-top: 1.6rem; max-width: 40ch; }
.hero .cta { display: flex; gap: .9rem; margin-top: 2.4rem; flex-wrap: wrap; }
.hero .hero-meta { margin-top: clamp(3rem,2rem + 4vw,5rem); display: flex; flex-wrap: wrap; gap: 2rem 3.2rem; }
.hero-meta__item b { display: block; font-size: clamp(1.5rem,1.2rem + 1vw,2rem); font-weight: var(--fw-light); color: var(--text); letter-spacing: var(--tr-tight); line-height: 1.1; }
.hero-meta__item b .u { color: var(--blue); font-weight: var(--fw-med); font-size: .7em; }
.hero-meta__item span { font-size: .9rem; color: var(--text-3); margin-top: .25rem; display: block; }
.hero__scroll { position: absolute; left: 50%; bottom: 2rem; transform: translateX(-50%); z-index: 2; color: var(--text-3); font-size: .78rem; display: flex; flex-direction: column; align-items: center; gap: .4rem; }
.hero__scroll span { width: 1px; height: 36px; background: linear-gradient(180deg, var(--text-3), transparent); animation: scrollhint 2.2s var(--ease) infinite; }
@keyframes scrollhint { 0% { transform: scaleY(0); transform-origin: top; } 50% { transform: scaleY(1); transform-origin: top; } 51% { transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* ---------- Kapitel-Marker (Storytelling) ---------- */
.chapter { display: inline-flex; align-items: center; gap: .7rem; font-size: .78rem; font-weight: var(--fw-med); letter-spacing: .08em; text-transform: uppercase; color: var(--text-3); margin-bottom: 1.2rem; }
.chapter::before { content: ""; width: 28px; height: 2px; background: var(--blue); border-radius: 2px; }
.chapter--light { color: var(--on-dark-3); }

/* ---------- Kapitel 01 · Problem (hell: Bild + drei Schmerzpunkte) ---------- */
.problem-sec { position: relative; overflow: clip; }
.problem-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(2rem, 1rem + 4vw, 5rem); align-items: center; }
.problem-media { border-radius: var(--r-tile-lg); overflow: hidden; box-shadow: var(--shadow-card); aspect-ratio: 4/3.4; background: #fff; position: relative; }
.problem-media img { width: 100%; height: 100%; object-fit: cover; }
.problem-media__tag { position: absolute; left: 1.4rem; bottom: 1.4rem; background: rgba(255,255,255,.94); color: var(--text); border-radius: var(--r); padding: .8rem 1.1rem; font-size: .85rem; line-height: 1.3; box-shadow: var(--shadow-pop); max-width: 24ch; }
.problem-media__tag b { display: block; font-size: 1.2rem; letter-spacing: var(--tr-tight); color: var(--blue); }
.pains { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1rem, .6rem + 1vw, 1.5rem); margin-top: var(--space-block); }
.pain { background: #fff; border-radius: var(--r-tile); padding: clamp(1.6rem, 1.2rem + 1.4vw, 2.4rem); display: flex; flex-direction: column; gap: .9rem; box-shadow: var(--shadow-card); }
.pain__n { font-size: .78rem; font-weight: var(--fw-med); color: var(--blue); letter-spacing: .08em; }
.pain h3 { font-size: 1.3rem; letter-spacing: var(--tr-tight); }
.pain p { color: var(--text-2); font-size: .96rem; line-height: 1.5; }
.pain__time { margin-top: auto; padding-top: .8rem; font-size: .82rem; color: var(--text-3); display: flex; align-items: center; gap: .5rem; }
.pain__time svg { width: 14px; height: 14px; }

/* ---------- Kapitel 02 · Wende / Statement ---------- */
.turn-sec { position: relative; }
.turn-sec h2 { font-size: var(--fs-h2); max-width: 20ch; letter-spacing: var(--tr-tighter); line-height: 1.06; }
.turn-sec .lead { margin-top: 1.6rem; max-width: 56ch; }
.turn-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(2rem, 1rem + 4vw, 5rem); align-items: center; }
.turn-media { border-radius: var(--r-tile-lg); overflow: hidden; box-shadow: var(--shadow-card); aspect-ratio: 4/3; background: var(--bg-soft); position: relative; }
.turn-media img { width: 100%; height: 100%; object-fit: cover; }
.turn-media__tag { position: absolute; left: 1.4rem; bottom: 1.4rem; background: rgba(255,255,255,.94); color: var(--text); border-radius: var(--r); padding: .8rem 1.1rem; font-size: .85rem; line-height: 1.3; box-shadow: var(--shadow-pop); }
.turn-media__tag b { display: block; font-size: 1.25rem; letter-spacing: var(--tr-tight); color: var(--blue); }
.ppp { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 2rem; }
.ppp span { font-weight: var(--fw-med); font-size: .95rem; padding: .6em 1.1em; border-radius: var(--r-pill); background: #fff; box-shadow: var(--shadow-tile); color: var(--text); }
.ppp span::before { content: "✓"; color: var(--blue); margin-right: .45em; }
.quote { font-size: clamp(1.3rem, 1.05rem + 1.1vw, 1.9rem); font-weight: var(--fw-thin); line-height: 1.3; color: var(--text); max-width: 30ch; letter-spacing: var(--tr-tight); }
.quote b { font-weight: var(--fw-med); }
.quote-by { display: flex; align-items: center; gap: .9rem; margin-top: 1.4rem; font-size: .9rem; color: var(--text-2); }
.quote-by img { width: 48px; height: 48px; border-radius: 50%; object-fit: cover; object-position: 20% 30%; box-shadow: var(--shadow-tile); }
.quote-by b { display: block; color: var(--text); }

/* ---------- Kapitel 03 · Lösung in drei Schritten ---------- */
.steps3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.2rem, .8rem + 1.2vw, 2rem); }
.step3 { background: #fff; border-radius: var(--r-tile); padding: clamp(1.7rem, 1.2rem + 1.4vw, 2.4rem); box-shadow: var(--shadow-card); display: flex; flex-direction: column; gap: .8rem; position: relative; overflow: hidden; }
.step3__n { font-size: clamp(2.6rem, 2rem + 2vw, 4rem); font-weight: var(--fw-thin); letter-spacing: var(--tr-tighter); line-height: 1; color: var(--blue-100); position: absolute; top: 1rem; right: 1.4rem; }
.step3__ico { width: 48px; height: 48px; border-radius: 13px; display: grid; place-items: center; background: var(--blue-50); color: var(--blue); }
.step3__ico svg { width: 25px; height: 25px; }
.step3 h3 { font-size: 1.3rem; letter-spacing: var(--tr-tight); }
.step3 p { color: var(--text-2); font-size: .96rem; line-height: 1.5; }
.step3 .tlink { margin-top: auto; padding-top: .6rem; font-size: .92rem; }

/* ---------- Maschinenpark-Highlight ---------- */
.machine { display: grid; grid-template-columns: 1.15fr .85fr; gap: 0; background: #fff; border-radius: var(--r-tile-lg); overflow: hidden; box-shadow: var(--shadow-card); }
.machine__media { position: relative; min-height: 420px; background: var(--bg-soft); }
.machine__media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.machine__body { padding: clamp(2rem, 1.5rem + 2.5vw, 4rem); display: flex; flex-direction: column; justify-content: center; gap: 1rem; }
.machine__body h2 { font-size: clamp(1.8rem, 1.3rem + 1.8vw, 2.8rem); }
.machine__specs { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem 1.4rem; margin-top: .8rem; }
.machine__specs b { display: block; font-size: 1.25rem; font-weight: var(--fw-light); letter-spacing: var(--tr-tight); color: var(--text); }
.machine__specs span { font-size: .85rem; color: var(--text-3); }
.machine__efre { display: flex; align-items: center; gap: 1rem; margin-top: 1.2rem; padding-top: 1.2rem; box-shadow: inset 0 1px 0 var(--line); font-size: .82rem; color: var(--text-3); }
.machine__efre img { height: 44px; width: auto; }

/* ---------- Kapitel 04 · Beweis (dunkle Textfläche, kein Foto) ---------- */
.proof-sec { position: relative; overflow: clip; background-image: var(--grad-hero-dark); }
.proof-sec > .wrap { position: relative; z-index: 1; }
.reasons { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(1rem, .6rem + 1vw, 1.5rem); }
.reason { background: rgba(255,255,255,.045); border-radius: var(--r-tile); padding: clamp(1.6rem, 1.2rem + 1.4vw, 2.4rem); display: flex; flex-direction: column; gap: .85rem; box-shadow: inset 0 0 0 1px rgba(255,255,255,.07); min-height: 248px; }
.reason__ico { width: 48px; height: 48px; border-radius: 13px; display: grid; place-items: center; background: rgba(0,136,192,.18); color: var(--blue-light); }
.reason__ico svg { width: 25px; height: 25px; }
.reason__num { font-size: clamp(1.7rem, 1.25rem + 1.4vw, 2.5rem); font-weight: var(--fw-thin); letter-spacing: var(--tr-tighter); line-height: 1.02; color: #fff; }
.reason__num .u { font-size: .6em; color: var(--blue-light); font-weight: var(--fw-med); margin-left: .08em; vertical-align: baseline; }
.reason__label { font-size: .95rem; color: var(--on-dark-2); line-height: 1.5; margin-top: auto; }
.reason__badge { width: 100%; max-width: 150px; border-radius: 12px; background: #fff; padding: .5rem .7rem; box-shadow: var(--shadow-pop); }
.reason__badge img { width: 100%; height: auto; object-fit: contain; }
.proof-quote { margin-top: var(--space-block); display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; }
.proof-quote .quote { color: #fff; }
.proof-quote .quote-by { color: var(--on-dark-2); }
.proof-quote .quote-by b { color: #fff; }

/* ---------- Referenz-Streifen (Originalfotos) ---------- */
.refs { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(1rem, .6rem + 1vw, 1.5rem); }
.refs figure { border-radius: var(--r-tile); overflow: hidden; background: var(--bg-soft); box-shadow: var(--shadow-card); aspect-ratio: 3/2; }
.refs img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--ease); }
.refs a:hover img { transform: scale(1.04); }

@media (max-width: 920px) {
  .pains, .steps3 { grid-template-columns: 1fr; }
  .reasons, .refs { grid-template-columns: repeat(2, 1fr); }
  .turn-grid, .problem-grid, .machine, .proof-quote { grid-template-columns: 1fr; }
  .machine__media { min-height: 0; aspect-ratio: 16/10; }
}
@media (max-width: 800px) {
  .hero { align-items: flex-start; min-height: 0; padding: calc(var(--nav-h) + 6vh) 0 3rem; }
  .hero__col { max-width: none; }
  .hero__bg img { object-fit: cover; object-position: 70% 28%; opacity: .55; -webkit-mask-image: none; mask-image: none; }
  .hero__scrim { background: linear-gradient(180deg, rgba(246,247,249,.85) 0%, rgba(246,247,249,.6) 40%, rgba(246,247,249,.85) 75%, rgba(246,247,249,.98) 100%); }
  .hero h1 { font-size: clamp(2.4rem, 1.5rem + 6vw, 3.4rem); }
  .hero .lead { max-width: none; margin-top: 1.2rem; }
  .hero .cta { margin-top: 1.8rem; }
  .hero .hero-meta { margin-top: 2.2rem; gap: 1.2rem 2rem; }
  .hero-meta__item b { font-size: 1.35rem; }
  .hero-meta__item span { font-size: .8rem; }
  .hero__scroll { display: none; }
}
@media (max-width: 520px) { .reasons, .refs { grid-template-columns: 1fr; } .reason { min-height: 0; } .machine__specs { grid-template-columns: 1fr; } }

/* ---------- Aluminium-Akzente auf der Startseite ---------- */
.hero-meta__item b .u { color: var(--blue); }
.step3__n { background: var(--grad-metal-text); -webkit-background-clip: text; background-clip: text; color: transparent; }
.ppp span { background-color: var(--silver-50); background-image: var(--grad-metal-brush), var(--grad-metal); box-shadow: inset 0 1px 0 rgba(255,255,255,.8), var(--shadow-tile); }
.ppp span::before { color: var(--blue); }
/* Kapitel 04 auf gebürstetem Aluminium statt Dunkel */
.proof-sec.bg-metal .reason { background: rgba(255,255,255,.62); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); box-shadow: inset 0 1px 0 rgba(255,255,255,.9), var(--shadow-card); }
.proof-sec.bg-metal .reason__ico { background: var(--blue-50); color: var(--blue); }
.proof-sec.bg-metal .reason__num { color: var(--text); }
.proof-sec.bg-metal .reason__num .u { color: var(--blue); }
.proof-sec.bg-metal .reason__label { color: #3f464e; }
.proof-sec.bg-metal .chapter { color: #5a626b; }
.proof-sec.bg-metal .quote { color: var(--text); }
.proof-sec.bg-metal .quote-by { color: #3f464e; }
.proof-sec.bg-metal .quote-by b { color: var(--text); }
.machine__specs b { color: var(--blue-700); }
.proof-sec.bg-metal { background-color: var(--silver); background-image: var(--grad-metal-brush), var(--grad-metal); }
.proof-sec.bg-metal h2 { color: var(--text); }
.proof-sec.bg-metal .lead { color: #3f464e; }
.hero-meta__item b .u { display: inline; font-size: .62em; margin-left: .1em; }

/* Hero-Headline ca. 15 % kleiner */
.hero h1 { font-size: calc(var(--fs-hero) * .85); }
@media (max-width: 800px) { .hero h1 { font-size: calc(clamp(2.4rem, 1.5rem + 6vw, 3.4rem) * .85); } }

/* Icons in den Problem-Boxen */
.pain__head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.pain__ico { width: 48px; height: 48px; border-radius: 13px; display: grid; place-items: center; background: var(--blue-50); color: var(--blue); flex: none; }
.pain__ico svg { width: 25px; height: 25px; }