/**
 * Libromento Marketing Landing — libromento.de
 * CI System 2 · Screen → Spread · crafted static
 */

:root {
  --color-charcoal: #242628;
  --color-paper: #f5f2ee;
  --color-screen: #dde3ea;
  --color-ai: #4e7bb5;
  --color-coral: #e06b4f;
  --color-muted: #64748b;
  --color-white: #ffffff;
  --color-success: #059669;
  --color-ink-soft: rgb(36 38 40 / 72%);

  --font: "Plus Jakarta Sans", system-ui, sans-serif;
  --max: 1120px;
  --gutter: clamp(1.25rem, 4vw, 2rem);

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --gradient-screen-to-spread: linear-gradient(90deg, #4e7bb5 0%, #e06b4f 100%);
  --gradient-paper-depth:
    radial-gradient(ellipse 90% 60% at 10% -10%, rgb(78 123 181 / 0.09), transparent 55%),
    radial-gradient(ellipse 70% 50% at 100% 20%, rgb(224 107 79 / 0.07), transparent 50%),
    var(--color-paper);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--color-charcoal);
  background: var(--color-paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
}

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 100;
  padding: 0.65rem 1rem;
  background: var(--color-charcoal);
  color: var(--color-paper);
}

.skip:focus {
  left: var(--gutter);
  top: var(--gutter);
}

.wrap {
  width: min(100% - 2 * var(--gutter), var(--max));
  margin-inline: auto;
}

.kicker {
  margin: 0 0 0.75rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ai);
}

.lead {
  margin: 0;
  max-width: 38rem;
  color: var(--color-muted);
  font-size: clamp(1.05rem, 2vw, 1.15rem);
  line-height: 1.65;
}

/* ——— Buttons ——— */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 3.1rem;
  padding: 0 1.45rem;
  border: 0;
  border-radius: 10px;
  font: inherit;
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform 0.2s var(--ease-out),
    background 0.2s ease,
    box-shadow 0.2s ease,
    border-color 0.2s ease,
    filter 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:focus-visible {
  outline: 2px solid var(--color-ai);
  outline-offset: 3px;
}

.btn-primary {
  background: var(--color-coral);
  color: var(--color-white);
  box-shadow:
    0 1px 0 rgb(255 255 255 / 0.18) inset,
    0 10px 28px rgb(224 107 79 / 0.28);
}

.btn-primary:hover {
  filter: brightness(1.03);
  box-shadow:
    0 1px 0 rgb(255 255 255 / 0.2) inset,
    0 14px 34px rgb(224 107 79 / 0.34);
}

.btn-secondary {
  color: var(--color-paper);
  background: rgb(245 242 238 / 0.1);
  border: 1px solid rgb(245 242 238 / 0.42);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgb(245 242 238 / 0.18);
}

.btn-ghost {
  color: var(--color-charcoal);
  background: transparent;
  border: 1px solid rgb(36 38 40 / 0.14);
}

.btn-ghost:hover {
  background: rgb(255 255 255 / 0.55);
  border-color: rgb(36 38 40 / 0.22);
}

.btn-on-dark.btn-ghost {
  color: var(--color-paper);
  border-color: rgb(245 242 238 / 0.28);
}

.btn-on-dark.btn-ghost:hover {
  background: rgb(245 242 238 / 0.08);
}

/* ——— Hero ——— */

.hero {
  position: relative;
  isolation: isolate;
  min-height: 100svh;
  display: grid;
  align-content: end;
  overflow: hidden;
  color: var(--color-paper);
  background: #1a1c1e;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 58% 28%;
  transform: scale(1.04);
  animation: hero-ken 22s var(--ease-out) forwards;
}

@keyframes hero-ken {
  to {
    transform: scale(1.1);
  }
}

.hero-scrim {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(
      105deg,
      rgb(26 28 30 / 0.82) 0%,
      rgb(26 28 30 / 0.58) 38%,
      rgb(26 28 30 / 0.22) 68%,
      rgb(26 28 30 / 0.12) 100%
    ),
    linear-gradient(to top, rgb(26 28 30 / 0.72) 0%, rgb(26 28 30 / 0.18) 42%, transparent 70%);
  pointer-events: none;
}

.hero-grain {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.18;
  mix-blend-mode: soft-light;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
}

.site-header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: max(1.1rem, env(safe-area-inset-top)) var(--gutter) 0;
}

.logo {
  height: clamp(3rem, 6.5vw, 4rem);
  width: auto;
  max-width: min(18.5rem, 62vw);
  object-fit: contain;
  filter: drop-shadow(0 2px 10px rgb(0 0 0 / 0.3));
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.35rem 1.1rem;
}

.nav a {
  color: rgb(245 242 238 / 0.86);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
}

.nav a:hover {
  color: var(--color-paper);
}

.nav-cta {
  padding: 0.55rem 0.95rem;
  border: 1px solid rgb(245 242 238 / 0.38);
  border-radius: 999px;
  background: rgb(245 242 238 / 0.06);
  backdrop-filter: blur(8px);
}

.hero-copy {
  position: relative;
  z-index: 2;
  width: min(100%, 42rem);
  padding:
    calc(5.5rem + env(safe-area-inset-top))
    var(--gutter)
    max(4rem, env(safe-area-inset-bottom));
  margin-top: auto;
  transform: translateY(1.25rem);
  animation: rise 0.7s var(--ease-out) both;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(calc(1.25rem + 18px));
  }
  to {
    opacity: 1;
    transform: translateY(1.25rem);
  }
}

.hero-copy h1 {
  margin: 0 0 clamp(1.15rem, 3vw, 1.5rem);
  font-size: clamp(2.1rem, 5.2vw, 3.1rem);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.025em;
  text-wrap: balance;
  text-shadow: 0 1px 18px rgb(0 0 0 / 0.28);
}

.descriptor {
  margin: 0 0 clamp(1.75rem, 4vw, 2.25rem);
  max-width: 28ch;
  padding-left: 1rem;
  border-left: 3px solid var(--color-coral);
  color: rgb(245 242 238 / 0.92);
  font-size: clamp(1.02rem, 2.1vw, 1.15rem);
  font-weight: 500;
  line-height: 1.45;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

/* ——— Sections ——— */

.section {
  position: relative;
  padding: clamp(4.5rem, 9vw, 7rem) 0;
}

.section--paper {
  background: var(--gradient-paper-depth);
}

.section--surface {
  background:
    linear-gradient(180deg, rgb(255 255 255 / 0.72), rgb(255 255 255 / 0.92)),
    var(--color-paper);
  border-block: 1px solid rgb(221 227 234 / 0.85);
}

.section--ink {
  color: var(--color-paper);
  background:
    radial-gradient(ellipse 80% 55% at 85% 0%, rgb(78 123 181 / 0.22), transparent 50%),
    radial-gradient(ellipse 60% 45% at 0% 100%, rgb(224 107 79 / 0.12), transparent 45%),
    #1f2124;
}

.section--ink .lead,
.section--ink .feature-copy p {
  color: rgb(245 242 238 / 0.72);
}

.section--ink .kicker {
  color: color-mix(in srgb, var(--color-ai) 70%, white);
}

.section-head {
  margin-bottom: clamp(2rem, 4vw, 2.75rem);
}

.section-head h2 {
  margin: 0 0 0.85rem;
  max-width: 16ch;
  font-size: clamp(1.85rem, 4.2vw, 2.65rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.12;
  text-wrap: balance;
}

.section-head.center {
  text-align: center;
  margin-inline: auto;
}

.section-head.center h2,
.section-head.center .lead {
  margin-inline: auto;
}

/* ——— Reveal on scroll ——— */

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 0.7s var(--ease-out),
    transform 0.7s var(--ease-out);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

/* ——— Anlässe ——— */

.occasion-list {
  list-style: none;
  margin: 0 0 clamp(2.5rem, 5vw, 3.5rem);
  padding: 0;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.65rem;
}

.occasion-list li {
  display: grid;
  gap: 0.45rem;
  min-height: 5.25rem;
  padding: 1rem 0.9rem;
  background: rgb(255 255 255 / 0.55);
  border: 1px solid rgb(221 227 234 / 0.7);
  border-radius: 14px;
  box-shadow: 0 1px 0 rgb(255 255 255 / 0.7) inset;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  transition: transform 0.25s var(--ease-out), border-color 0.25s ease;
}

.occasion-list li.is-active {
  border-color: color-mix(in srgb, var(--color-ai) 45%, var(--color-screen));
  box-shadow:
    0 1px 0 rgb(255 255 255 / 0.7) inset,
    0 0 0 1px color-mix(in srgb, var(--color-ai) 25%, transparent);
}

.occasion-list li.is-active .occasion-num {
  color: var(--color-ai);
}

.occasion-list li.is-disabled {
  opacity: 0.42;
  filter: grayscale(0.35);
  color: var(--color-muted);
  pointer-events: none;
  user-select: none;
  box-shadow: none;
}

.occasion-list li:not(.is-disabled):hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--color-ai) 35%, var(--color-screen));
}

.occasion-num {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-muted);
}

.feature {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: clamp(1.5rem, 4vw, 3.25rem);
  align-items: center;
}

.feature--reverse {
  grid-template-columns: 0.92fr 1.08fr;
}

.feature--reverse .feature-media {
  order: 2;
}

.feature-media {
  position: relative;
  overflow: hidden;
  border-radius: 18px;
  aspect-ratio: 3 / 2;
  background: var(--color-screen);
  box-shadow:
    0 1px 0 rgb(255 255 255 / 0.5) inset,
    0 24px 50px rgb(36 38 40 / 0.12);
}

.feature-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgb(36 38 40 / 0.12), transparent 40%);
  pointer-events: none;
}

.feature-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-out);
}

.feature:hover .feature-media img {
  transform: scale(1.03);
}

.feature-copy h3 {
  margin: 0 0 0.7rem;
  font-size: clamp(1.45rem, 2.8vw, 1.85rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.feature-copy p {
  margin: 0 0 1.5rem;
  color: var(--color-muted);
  max-width: 34ch;
}

/* ——— Prozess ——— */

.process-story {
  display: grid;
  gap: 1rem;
  max-width: 44rem;
  margin-bottom: clamp(2rem, 4vw, 2.75rem);
}

.process-story p {
  margin: 0;
  color: var(--color-muted);
}

.process-story .highlight {
  color: var(--color-charcoal);
  font-weight: 600;
  font-size: 1.08rem;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.85rem;
}

.step {
  position: relative;
  padding: 1.35rem 1.15rem 1.4rem;
  background: rgb(255 255 255 / 0.72);
  border: 1px solid rgb(221 227 234 / 0.8);
  border-radius: 16px;
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.15rem;
  height: 2.15rem;
  margin-bottom: 0.85rem;
  border-radius: 999px;
  background: var(--gradient-screen-to-spread);
  color: white;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.step p {
  margin: 0;
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.35;
}

/* ——— KI promises ——— */

.ki-layout {
  max-width: 40rem;
}

.promise-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.promise-list li {
  display: grid;
  grid-template-columns: 2.2rem 1fr;
  gap: 0.85rem;
  align-items: start;
  padding: 1rem 0;
  border-bottom: 1px solid rgb(245 242 238 / 0.1);
  font-weight: 500;
}

.promise-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.promise-num {
  padding-top: 0.15rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: color-mix(in srgb, var(--color-ai) 75%, white);
}

/* ——— Qualität ——— */

.manufaktur-line {
  margin: 0 0 1.25rem;
  max-width: 22rem;
  font-size: clamp(1.25rem, 2.6vw, 1.55rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.35;
}

.quality-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.quality-item {
  padding: 1.5rem 1.25rem;
  border-radius: 16px;
  background: rgb(255 255 255 / 0.5);
  border: 1px solid rgb(221 227 234 / 0.75);
}

.quality-item h3 {
  margin: 0 0 0.45rem;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.015em;
}

.quality-item p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.95rem;
}

.quality-item::before {
  content: "";
  display: block;
  width: 2.25rem;
  height: 3px;
  margin-bottom: 1rem;
  border-radius: 999px;
  background: var(--gradient-screen-to-spread);
}

/* ——— Produkte ——— */

.products {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(0.85rem, 2vw, 1.15rem);
}

@media (min-width: 900px) {
  .products {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.product {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: clamp(1.6rem, 3vw, 2.15rem);
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgb(255 255 255 / 0.9), rgb(245 242 238 / 0.55));
  border: 1px solid rgb(221 227 234 / 0.85);
  box-shadow: 0 18px 40px rgb(36 38 40 / 0.05);
  scroll-margin-top: 1.5rem;
}

.product::before {
  content: "";
  display: block;
  height: 3px;
  margin: -0.15rem 0 0.65rem;
  border-radius: 999px;
  background: var(--gradient-screen-to-spread);
}

.product h3 {
  margin: 0;
  font-size: clamp(1.2rem, 2.2vw, 1.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.product-price {
  margin: 0;
  font-size: clamp(1.85rem, 3.5vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1;
}

.product-shipping {
  margin: 0.2rem 0 0;
  color: var(--color-muted);
  font-size: 0.875rem;
  font-weight: 500;
}

.product-desc {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.95rem;
}

.product-extra {
  margin: 0.35rem 0 0;
  color: rgb(100 116 139 / 78%);
  font-size: 0.8125rem;
  font-weight: 500;
}

/* ——— Closing ——— */

.closing {
  text-align: center;
  padding: clamp(4.5rem, 10vw, 7.5rem) 0;
  background:
    radial-gradient(ellipse 70% 55% at 50% 0%, rgb(78 123 181 / 0.1), transparent 55%),
    radial-gradient(ellipse 55% 45% at 50% 100%, rgb(224 107 79 / 0.08), transparent 50%),
    var(--color-paper);
}

.closing .wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.closing-logo {
  display: block;
  height: clamp(2.75rem, 5.5vw, 3.5rem);
  width: auto;
  max-width: min(16rem, 70vw);
  margin: 0 auto 2.35rem;
  object-fit: contain;
}

.closing h2 {
  margin: 0 auto 1.85rem;
  max-width: 14ch;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.1;
  text-wrap: balance;
  text-align: center;
}

/* ——— Footer ——— */

.site-footer {
  border-top: 1px solid rgb(221 227 234 / 0.9);
  background: color-mix(in srgb, var(--color-paper) 88%, white);
  padding: 1.4rem 0 calc(1.8rem + env(safe-area-inset-bottom));
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.85rem 1.25rem;
  color: var(--color-muted);
  font-size: 0.82rem;
}

.footer-links {
  display: flex;
  gap: 1rem;
}

.footer-links a {
  color: var(--color-muted);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--color-charcoal);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

/* ——— Responsive ——— */

@media (max-width: 960px) {
  .occasion-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .feature,
  .feature--reverse {
    grid-template-columns: 1fr;
  }

  .feature--reverse .feature-media {
    order: initial;
  }

  .steps,
  .quality-grid {
    grid-template-columns: 1fr 1fr;
  }

  .products {
    grid-template-columns: 1fr;
  }

  .hero-scrim {
    background:
      linear-gradient(to top, rgb(26 28 30 / 0.84) 0%, rgb(26 28 30 / 0.48) 45%, rgb(26 28 30 / 0.35) 100%);
  }

  .nav a:not(.nav-cta) {
    display: none;
  }
}

@media (max-width: 560px) {
  .occasion-list,
  .steps,
  .quality-grid,
  .products {
    grid-template-columns: 1fr;
  }

  .cta-row {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }
}

/* ——— Waitlist (hero) ——— */

.cta-row--waitlist {
  flex-direction: column;
  align-items: stretch;
  max-width: 28rem;
  margin-top: 0.25rem;
}

.hero-band {
  position: relative;
  z-index: 1;
  margin-top: -0.5rem;
  padding: clamp(1.75rem, 4vw, 2.5rem) 0 clamp(1.5rem, 3.5vw, 2rem);
  background:
    linear-gradient(180deg, rgb(26 28 30 / 0.18), transparent 55%),
    var(--color-paper);
}

.hero-band-inner {
  display: grid;
  gap: 0.55rem;
}

.hero-band-line {
  margin: 0;
  color: var(--color-muted);
  font-size: clamp(1rem, 2.2vw, 1.125rem);
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: 0.01em;
}

.hero-waitlist-card {
  background: rgb(245 242 238 / 0.97);
  color: var(--color-charcoal);
  border-radius: 1rem;
  padding: clamp(1.25rem, 2.5vw, 1.5rem);
  box-shadow: 0 16px 48px rgb(0 0 0 / 22%);
}

.hero-waitlist-note {
  margin: 0 0 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-charcoal);
  line-height: 1.45;
}

.hero-waitlist-note--secondary {
  margin: -0.55rem 0 1rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-muted);
}

.waitlist-form .field {
  margin-bottom: 0.85rem;
}

.waitlist-form label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
  color: var(--color-charcoal);
}

.waitlist-form .optional {
  font-weight: 400;
  color: var(--color-muted);
}

.waitlist-form input[type="email"],
.waitlist-form input[type="text"] {
  width: 100%;
  padding: 0.65rem 0.8rem;
  border: 1px solid rgb(36 38 40 / 14%);
  border-radius: 0.5rem;
  font: inherit;
  background: var(--color-white);
  color: var(--color-charcoal);
}

.waitlist-form input:focus {
  outline: 2px solid var(--color-ai);
  outline-offset: 1px;
}

.field--checkbox .checkbox-label {
  display: flex;
  gap: 0.55rem;
  align-items: flex-start;
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--color-muted);
  cursor: pointer;
}

.field--checkbox input {
  margin-top: 0.15rem;
  flex-shrink: 0;
}

.field--checkbox a {
  color: var(--color-ai);
}

.btn-block {
  width: 100%;
  justify-content: center;
}

.form-hint {
  margin: 0.65rem 0 0;
  font-size: 0.75rem;
  color: var(--color-muted);
}

.form-message {
  margin: 0.75rem 0 0;
  padding: 0.65rem 0.8rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
}

.form-message.is-success {
  background: rgb(5 150 105 / 10%);
  color: var(--color-success);
}

.form-message.is-error {
  background: rgb(224 107 79 / 12%);
  color: #b45309;
}

.waitlist-form--hero .form-message.is-success,
.waitlist-form--hero .form-message.is-error {
  color: var(--color-charcoal);
}