/* ============================================================
   ESTIVO — Components CSS
   Nav · Footer · Hero · Cards · Buttons · Forms
   Wiederverwendbar über alle Landing Pages
   ============================================================ */

/* ── NAVIGATION ──────────────────────────────────────────────── */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: var(--container-pad);
  transition: background 0.3s ease, border-color 0.3s ease;
}

.nav--scrolled {
  background: rgba(247, 245, 242, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

/* Logo */
.nav__logo {
  display: flex;
  align-items: baseline;
  gap: 1px;
  text-decoration: none;
}

.nav__logo-prefix {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: var(--weight-light);
  color: var(--color-ink);
  letter-spacing: -0.5px;
}

.nav__logo-dot {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: var(--weight-semi);
  color: var(--color-accent);
}

/* Breadcrumb unter Logo (für Sub-Apps) */
.nav__breadcrumb {
  font-size: var(--text-xs);
  color: var(--color-ink-light);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  margin-left: var(--space-4);
  padding-left: var(--space-4);
  border-left: 1px solid var(--color-border);
}

/* Links */
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav__link {
  font-size: var(--text-sm);
  color: var(--color-ink-mid);
  transition: color 0.2s;
}

.nav__link:hover {
  color: var(--color-ink);
}

/* CTA im Nav */
.nav__cta {
  display: inline-flex;
  align-items: center;
  padding: 9px 20px;
  background: var(--color-ink);
  color: var(--color-white);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  transition: opacity 0.2s;
}

.nav__cta:hover {
  opacity: 0.8;
}

/* ── HERO ─────────────────────────────────────────────────────── */

.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--space-16);
  padding-top: var(--nav-height);
  padding-bottom: var(--space-16);
  padding-inline: var(--container-pad);
  max-width: var(--container-max);
  margin-inline: auto;
  position: relative;
}

/* Hintergrundelemente */
.hero__bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background:
    radial-gradient(ellipse 50% 60% at 15% 50%, color-mix(in srgb, var(--color-accent) 6%, transparent) 0%, transparent 70%),
    radial-gradient(ellipse 40% 50% at 85% 30%, color-mix(in srgb, var(--color-accent) 4%, transparent) 0%, transparent 70%);
}

.hero__grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--color-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.35;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 100%);
}

/* Linke Spalte */
.hero__content {
  position: relative;
  z-index: 1;
}

.hero__eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.hero__eyebrow-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(36px, 4.5vw, 60px);
  font-weight: var(--weight-light);
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-tight);
  color: var(--color-ink);
  margin-bottom: var(--space-6);
}

.hero__title em {
  font-style: italic;
  color: var(--color-accent);
}

.hero__subtitle {
  font-size: var(--text-base);
  color: var(--color-ink-mid);
  line-height: var(--leading-loose);
  max-width: 400px;
  margin-bottom: var(--space-10);
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.hero__trust {
  display: flex;
  gap: var(--space-5);
  flex-wrap: wrap;
}

.hero__trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-ink-light);
}

.hero__trust-check {
  color: #16A34A;
  font-size: var(--text-sm);
}

/* Rechte Spalte — Mockup */
.hero__visual {
  position: relative;
  z-index: 1;
}

.hero__slide-dots {
  display: flex;
  gap: var(--space-2);
  justify-content: center;
  margin-bottom: var(--space-4);
}

.hero__slide-dot {
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-border);
  border: none;
  cursor: pointer;
  transition: width 0.3s ease, background 0.3s ease;
  width: 8px;
}

.hero__slide-dot--active {
  width: 24px;
  background: var(--color-accent);
}

/* Device Frame */
.device {
  background: #1A1A1A;
  border-radius: var(--radius-xl);
  padding: 10px;
  box-shadow: 0 40px 80px rgba(0,0,0,0.18);
  transform: perspective(1000px) rotateY(-3deg) rotateX(1deg);
}

.device__screen {
  background: var(--color-sand);
  border-radius: 12px;
  overflow: hidden;
}

.device__bar {
  background: var(--color-white);
  padding: 11px 18px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.device__logo {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: var(--weight-light);
  color: var(--color-ink);
}

.device__logo span {
  font-weight: var(--weight-semi);
  color: var(--color-accent);
}

.device__tabs {
  background: var(--color-white);
  padding: 0 18px;
  display: flex;
  border-bottom: 1px solid var(--color-border);
}

.device__tab {
  padding: 8px 12px;
  font-size: var(--text-xs);
  color: var(--color-ink-light);
  font-weight: var(--weight-regular);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: all 0.3s;
}

.device__tab--active {
  color: var(--color-accent);
  font-weight: var(--weight-medium);
  border-bottom-color: var(--color-accent);
}

.device__content {
  padding: 14px;
  transition: opacity 0.4s ease;
}

.device__content--fading {
  opacity: 0;
}

/* Floating Badges */
.float-badge {
  position: absolute;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-4);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  white-space: nowrap;
}

.float-badge--top-right {
  top: -16px;
  right: -14px;
}

.float-badge--bottom-left {
  bottom: 28px;
  left: -18px;
}

.float-badge__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #16A34A;
  flex-shrink: 0;
}

.float-badge__label {
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: var(--color-ink);
}

.float-badge__sub {
  font-size: var(--text-xs);
  color: var(--color-accent);
  font-weight: var(--weight-medium);
}

/* ── BUTTONS ──────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 13px 26px;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  cursor: pointer;
  transition: opacity 0.2s, transform 0.2s;
  border: none;
  text-decoration: none;
  white-space: nowrap;
}

.btn:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}

.btn--primary {
  background: var(--color-ink);
  color: var(--color-white);
}

.btn--accent {
  background: var(--color-accent);
  color: var(--color-white);
}

.btn--ghost {
  background: transparent;
  color: var(--color-ink-mid);
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

.btn--ghost:hover {
  color: var(--color-ink);
  transform: none;
  opacity: 1;
}

.btn--outline {
  background: transparent;
  color: var(--color-ink);
  border: 1px solid var(--color-border);
}

.btn--outline:hover {
  border-color: var(--color-ink);
}

.btn--sm {
  padding: 8px 16px;
  font-size: var(--text-xs);
}

/* ── CARDS ────────────────────────────────────────────────────── */

.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

.card--hover {
  transition: box-shadow 0.2s, transform 0.2s;
}

.card--hover:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.card--accent-top {
  border-top: 3px solid var(--color-accent);
}

.card__eyebrow {
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.card__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-light);
  letter-spacing: var(--tracking-tight);
  color: var(--color-ink);
  margin-bottom: var(--space-3);
}

.card__body {
  font-size: var(--text-sm);
  color: var(--color-ink-mid);
  line-height: var(--leading-loose);
}

/* ── FEATURE GRID ─────────────────────────────────────────────── */

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.feature-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: box-shadow 0.2s, transform 0.2s;
}

.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.feature-card__icon {
  font-size: 22px;
  margin-bottom: var(--space-4);
}

.feature-card__title {
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  color: var(--color-ink);
  margin-bottom: var(--space-2);
}

.feature-card__body {
  font-size: var(--text-sm);
  color: var(--color-ink-light);
  line-height: var(--leading-loose);
}

/* ── PRICING ──────────────────────────────────────────────────── */

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.pricing-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  border-top: 3px solid transparent;
}

.pricing-card--featured {
  background: #1A1A1A;
  border-color: transparent;
  border-top-color: var(--color-accent);
}

.pricing-card__tier {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.pricing-card--featured .pricing-card__tier {
  color: var(--color-accent);
}

.pricing-card__price {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--weight-light);
  color: var(--color-ink);
  margin-bottom: var(--space-1);
}

.pricing-card--featured .pricing-card__price {
  color: var(--color-white);
}

.pricing-card__period {
  font-size: var(--text-xs);
  color: var(--color-ink-light);
  margin-bottom: var(--space-5);
}

.pricing-card--featured .pricing-card__period {
  color: #555;
}

.pricing-card__item {
  font-size: var(--text-xs);
  color: var(--color-ink-mid);
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-sand-dark);
}

.pricing-card--featured .pricing-card__item {
  color: #777;
  border-bottom-color: #2a2a2a;
}

/* ── PROMISE / CTA SECTION ────────────────────────────────────── */

.promise {
  background: #1A1A1A;
  padding-block: var(--space-24);
  text-align: center;
}

.promise__label {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: #555;
  margin-bottom: var(--space-6);
}

.promise__title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: var(--weight-light);
  color: var(--color-white);
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-snug);
  max-width: 580px;
  margin-inline: auto;
  margin-bottom: var(--space-16);
}

.promise__title em {
  font-style: italic;
  color: var(--color-accent);
}

.promise__items {
  display: flex;
  justify-content: center;
  gap: var(--space-16);
  max-width: 700px;
  margin-inline: auto;
  margin-bottom: var(--space-16);
}

.promise__item-title {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-accent);
  letter-spacing: 1px;
  margin-bottom: var(--space-2);
}

.promise__item-desc {
  font-size: var(--text-sm);
  color: #555;
  line-height: var(--leading-loose);
  max-width: 160px;
}

/* ── FOOTER ───────────────────────────────────────────────────── */

.footer {
  background: var(--color-sand-dark);
  border-top: 1px solid var(--color-border);
  padding: var(--space-10) var(--container-pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  flex-wrap: wrap;
}

.footer__brand-name {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: var(--weight-light);
  color: var(--color-ink);
}

.footer__brand-name span {
  font-weight: var(--weight-semi);
  color: var(--color-accent);
}

.footer__tagline {
  font-size: var(--text-xs);
  color: var(--color-ink-light);
  margin-top: var(--space-1);
}

.footer__links {
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.footer__link {
  font-size: var(--text-xs);
  color: var(--color-ink-light);
  transition: color 0.2s;
}

.footer__link:hover {
  color: var(--color-ink);
}

.footer__link--muted {
  color: var(--color-border);
}

.footer__copy {
  font-size: var(--text-xs);
  color: var(--color-ink-light);
  text-align: right;
}

/* ── SECTION HEADERS ──────────────────────────────────────────── */

.section-header {
  margin-bottom: var(--space-12);
}

.section-header--center {
  text-align: center;
}

.section-header__eyebrow {
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-ink-light);
  margin-bottom: var(--space-4);
}

.section-header__title {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: var(--weight-light);
  letter-spacing: var(--tracking-tight);
  color: var(--color-ink);
  line-height: var(--leading-snug);
}

/* ── RESPONSIVE ──────────────────────────────────────────────── */

@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid  { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav__links { display: none; }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: calc(var(--nav-height) + var(--space-10));
    padding-bottom: var(--space-12);
    text-align: center;
  }

  .hero__subtitle { max-width: 100%; }
  .hero__actions { justify-content: center; }
  .hero__trust { justify-content: center; }
  .hero__visual { order: -1; }

  .features-grid { grid-template-columns: 1fr; }
  .pricing-grid  { grid-template-columns: 1fr; }

  .promise__items {
    flex-direction: column;
    align-items: center;
    gap: var(--space-8);
  }

  .promise__item-desc { max-width: 260px; }

  .footer {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-6);
  }

  .footer__copy { text-align: left; }

  .float-badge--top-right,
  .float-badge--bottom-left { display: none; }
}

@media (max-width: 480px) {
  .hero__actions { flex-direction: column; width: 100%; }
  .btn { width: 100%; justify-content: center; }
  .btn--ghost { width: auto; }
}