/* ============================================================
   Lösungsentwicklung – seitenspezifische Regeln
   (nicht in base.css / components.css enthalten)
   ============================================================ */

/* HERO – 2-Spalten-Variante (Grid mit Use-Cases als aside) */
.hero { padding: 100px 0 96px; }
.hero .hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 72px; align-items: center; }
.hero .text-col .eyebrow { color: var(--color-brass-light); margin-bottom: 22px; }
.hero .text-col h1 { font-size: 60px; line-height: 1.04; letter-spacing: -0.03em; color: var(--color-paper); margin-bottom: 28px; }
.hero .text-col h1 .highlight { color: var(--color-brass-light); font-style: italic; font-family: "Lora", serif; font-weight: 400; }
.hero .text-col .lead { font-size: 21px; line-height: 1.5; margin-bottom: 38px; color: rgba(250, 248, 245, 0.82); max-width: 540px; }
.hero .text-col .cta-row { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-usecases { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.hero-uc { background: rgba(250, 248, 245, 0.06); backdrop-filter: blur(8px); border: 1px solid rgba(250, 248, 245, 0.12); border-radius: 10px; padding: 22px 20px; position: relative; overflow: hidden; transition: transform 0.35s var(--ease), border-color 0.35s var(--ease), background 0.35s var(--ease); }
.hero-uc::after { content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0; background: linear-gradient(90deg, var(--color-brass), var(--color-brass-light)); transition: width 0.5s var(--ease-out); }
.hero-uc:hover { transform: translateY(-4px); border-color: rgba(184, 149, 74, 0.4); background: rgba(250, 248, 245, 0.09); }
.hero-uc:hover::after { width: 100%; }
.hero-uc .uc-label { font-family: "Inter", sans-serif; font-size: 17px; font-weight: 600; color: var(--color-paper); margin-bottom: 4px; }
.hero-uc .uc-desc { font-family: "JetBrains Mono", monospace; font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(250, 248, 245, 0.55); }

/* INTRO */
.intro-block { padding: 130px 0; }
.intro-block .grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 64px; align-items: start; }
.intro-block .head .eyebrow { margin-bottom: 16px; }
.intro-block .head h2 { font-size: 46px; line-height: 1.08; }
.intro-block .body p { font-size: 19px; line-height: 1.65; margin-bottom: 24px; }
.intro-block .body p strong { font-weight: 600; color: var(--color-marine); }

/* USECASES */
.usecases { padding: 130px 0; background: var(--color-sand); position: relative; overflow: hidden; }
.usecases-geo { position: absolute; right: -120px; top: -80px; width: 460px; height: 460px; opacity: 0.05; pointer-events: none; }
.usecases .container { position: relative; z-index: 1; }
.usecases .head { margin-bottom: 56px; max-width: 680px; }
.usecases .head .eyebrow { margin-bottom: 16px; }
.usecases .head h2 { font-size: 46px; line-height: 1.08; margin-bottom: 20px; }
.usecases .head p { font-size: 18px; line-height: 1.6; }
.usecases-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.usecase-card { background: var(--color-paper); border: 1px solid var(--color-border); border-radius: 12px; padding: 40px 34px; position: relative; overflow: hidden; transition: transform 0.35s var(--ease), border-color 0.35s var(--ease), box-shadow 0.35s var(--ease); }
.usecase-card::after { content: ""; position: absolute; left: 0; bottom: 0; height: 3px; width: 0; background: linear-gradient(90deg, var(--color-brass), var(--color-brass-light)); transition: width 0.5s var(--ease-out); }
.usecase-card:hover { transform: translateY(-4px); border-color: var(--color-border-strong); box-shadow: 0 12px 32px rgba(27, 58, 82, 0.08); }
.usecase-card:hover::after { width: 100%; }
.usecase-card .icon { width: 44px; height: 44px; margin-bottom: 24px; display: flex; align-items: center; justify-content: center; background: rgba(184, 149, 74, 0.1); border-radius: 8px; color: var(--color-brass); transition: background 0.3s var(--ease), transform 0.3s var(--ease); }
.usecase-card .icon svg { width: 24px; height: 24px; }
.usecase-card:hover .icon { background: rgba(184, 149, 74, 0.2); transform: scale(1.08) rotate(-3deg); }
.usecase-card h3 { font-family: "Inter", sans-serif; font-size: 22px; color: var(--color-marine); margin-bottom: 12px; }
.usecase-card p { font-size: 16px; line-height: 1.6; margin-bottom: 16px; }
.usecase-card .examples { font-family: "JetBrains Mono", monospace; font-size: 12px; letter-spacing: 0.05em; color: var(--color-stone); line-height: 1.7; }
.usecase-card .examples span { color: var(--color-brass); }
.usecase-card .bg-accent { position: absolute; right: -30px; bottom: -30px; width: 140px; height: 140px; opacity: 0.04; transition: opacity 0.4s var(--ease); pointer-events: none; }
.usecase-card:hover .bg-accent { opacity: 0.1; }

/* ARCHITEKTUR-TRANSPARENZ */
.architecture { padding: 130px 0; }
.architecture .head { max-width: 720px; margin-bottom: 64px; }
.architecture .head .eyebrow { margin-bottom: 16px; }
.architecture .head h2 { font-size: 46px; line-height: 1.08; margin-bottom: 20px; }
.architecture .head p { font-size: 18px; line-height: 1.65; }
.arch-layers { display: flex; flex-direction: column; gap: 16px; max-width: 900px; }
.arch-layer { display: grid; grid-template-columns: 200px 1fr; gap: 32px; padding: 28px 32px; border-radius: 12px; border: 1px solid var(--color-border); align-items: center; transition: border-color 0.3s var(--ease), transform 0.3s var(--ease); }
.arch-layer:hover { transform: translateX(4px); }
.arch-layer.customer { background: rgba(27, 58, 82, 0.04); border-left: 3px solid var(--color-marine); }
.arch-layer.customer:hover { border-color: var(--color-border-strong); border-left-color: var(--color-marine); }
.arch-layer.external { background: rgba(184, 149, 74, 0.06); border-left: 3px solid var(--color-brass); }
.arch-layer.external:hover { border-color: var(--color-border-brass); border-left-color: var(--color-brass); }
.arch-layer .layer-tag { font-family: "JetBrains Mono", monospace; font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; font-weight: 500; }
.arch-layer.customer .layer-tag { color: var(--color-marine); }
.arch-layer.external .layer-tag { color: var(--color-brass); }
.arch-layer .layer-title { font-family: "Inter", sans-serif; font-size: 18px; font-weight: 500; color: var(--color-marine); margin-bottom: 6px; }
.arch-layer p { font-size: 16px; line-height: 1.55; color: var(--color-text-primary); }
.arch-note { margin-top: 32px; max-width: 760px; font-family: "Lora", serif; font-style: italic; font-size: 16px; color: var(--color-stone); line-height: 1.6; padding: 18px 22px; background: var(--color-sand); border-left: 2px solid var(--color-brass); border-radius: 0 4px 4px 0; }

/* PHASEN (Karten-Stack – seitenspezifischer Rahmen) */
.phases { background: var(--color-marine-deep); color: var(--color-paper); padding: 130px 0 0; position: relative; overflow: hidden; }
.phases-geo { position: absolute; top: 60px; right: -150px; width: 600px; height: 600px; opacity: 0.16; z-index: 0; pointer-events: none; }
.phases .container { position: relative; z-index: 1; }
.phases .head { margin-bottom: 64px; max-width: 720px; }
.phases .head .eyebrow { color: var(--color-brass-light); margin-bottom: 16px; }
.phases .head h2 { font-size: 46px; line-height: 1.08; color: var(--color-paper); margin-bottom: 20px; }
.phases .head p { font-size: 18px; color: rgba(250, 248, 245, 0.75); line-height: 1.6; }
.stack-card[data-index="4"] { top: 180px; background: linear-gradient(135deg, #122d45 0%, #0F2A40 100%); }
.stack-card .p-tag { font-family: "JetBrains Mono", monospace; font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--color-brass-light); margin-bottom: 14px; display: block; }
.section-curve-top { position: relative; }
.section-curve-top::before { content: ""; display: block; height: 80px; background: var(--color-paper); border-radius: 50% 50% 0 0 / 100% 100% 0 0; margin-top: -80px; position: relative; z-index: 2; }

/* ABRECHNUNG */
.billing { padding: 40px 0 130px; background: var(--color-paper); }
.billing .grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 64px; align-items: start; }
.billing .head .eyebrow { margin-bottom: 16px; }
.billing .head h2 { font-size: 46px; line-height: 1.08; }
.billing .body p { font-size: 18px; line-height: 1.65; margin-bottom: 22px; }
.billing .body p strong { font-weight: 600; color: var(--color-marine); }
.billing .body .highlight-box { margin-top: 28px; padding: 24px 28px; background: var(--color-sand); border-radius: 10px; border-left: 3px solid var(--color-brass); }
.billing .body .highlight-box .label { font-family: "JetBrains Mono", monospace; font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--color-brass); margin-bottom: 10px; }
.billing .body .highlight-box p { font-family: "Lora", serif; font-size: 16px; line-height: 1.6; margin-bottom: 0; color: var(--color-text-primary); }

/* NICHT-MACHEN */
.exclude { padding: 130px 0; background: var(--color-sand); position: relative; overflow: hidden; }
.exclude-geo { position: absolute; left: -100px; bottom: -100px; width: 440px; height: 440px; opacity: 0.05; pointer-events: none; }
.exclude .container { position: relative; z-index: 1; }
.exclude .head { max-width: 680px; margin-bottom: 48px; }
.exclude .head .eyebrow { margin-bottom: 16px; }
.exclude .head h2 { font-size: 46px; line-height: 1.08; margin-bottom: 20px; }
.exclude .head p { font-size: 18px; line-height: 1.6; }
.exclude-list { display: grid; grid-template-columns: 1fr 1fr; gap: 20px 48px; max-width: 900px; }
.exclude-item { display: grid; grid-template-columns: 28px 1fr; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--color-border); align-items: start; }
.exclude-item::before { content: "×"; font-family: "Inter", sans-serif; font-size: 20px; color: var(--color-stone); line-height: 1.3; }
.exclude-item p { font-size: 16px; line-height: 1.55; }
.exclude-item p strong { font-family: "Inter", sans-serif; font-weight: 500; color: var(--color-marine); font-size: 16px; }

/* FAQ – Sektion (Item-Stile liegen in components.css) */
.faq { padding: 130px 0; }
.faq .head { margin-bottom: 56px; max-width: 720px; }
.faq .head .eyebrow { margin-bottom: 16px; }
.faq .head h2 { font-size: 46px; line-height: 1.08; }
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 48px; }

/* RESPONSIVE */
@media (max-width: 1024px) {
  .hero .hero-grid { grid-template-columns: 1fr; gap: 56px; }
  .hero .text-col h1 { font-size: 48px; }
  .intro-block .grid { grid-template-columns: 1fr; gap: 32px; }
  .usecases-grid { grid-template-columns: 1fr; }
  .arch-layer { grid-template-columns: 1fr; gap: 12px; }
  .billing .grid { grid-template-columns: 1fr; gap: 32px; }
  .exclude-list { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .hero .text-col h1 { font-size: 38px; }
  .hero .text-col .lead { font-size: 18px; }
  .hero-usecases { grid-template-columns: 1fr 1fr; gap: 12px; }
  .intro-block, .usecases, .architecture, .billing, .exclude, .faq { padding: 80px 0; }
  .phases { padding: 80px 0 0; }
  .billing { padding: 40px 0 80px; }
  .intro-block .head h2, .usecases .head h2, .architecture .head h2, .phases .head h2, .billing .head h2, .exclude .head h2, .faq .head h2 { font-size: 32px; }
  .stack-card[data-index="4"] { top: 80px; }
}