/* ═══════════════════════════════════════════════
   Benedict Neuner — Landing Page
   Editorial / Plakat Aesthetic
   ═══════════════════════════════════════════════ */

/* ─── Design Tokens ─── */
:root {
  --bg: #ffffff;
  --text: #0a1628;
  --text-muted: #4a5568;
  --accent: #1a7a6d;
  --accent-hover: #15655a;
  --surface: #f5f5f3;
  --border: #e2e0dc;

  --font-display: 'Red Hat Display', sans-serif;
  --font-body: 'Red Hat Text', sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-2xl: 10rem;

  --max-width: 1280px;
  --margin: clamp(1.25rem, 5vw, 6rem);

  --transition: 280ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ─── Reset ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul { list-style: none; }

/* ─── Reveal Animation ─── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--transition), transform 0.6s var(--transition);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* stagger children */
.reveal:nth-child(2) { transition-delay: 80ms; }
.reveal:nth-child(3) { transition-delay: 160ms; }
.reveal:nth-child(4) { transition-delay: 240ms; }

/* ═══════════════════════════════════════════════
   NAVIGATION
   ═══════════════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), padding var(--transition);
}

.nav.is-scrolled {
  border-bottom-color: var(--border);
}

.nav__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.25rem var(--margin);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: padding var(--transition);
}

.nav.is-scrolled .nav__inner {
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

.nav__logo {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 0.85rem;
  line-height: 1.1;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text);
  transition: color var(--transition);
}

.nav__logo:hover {
  color: var(--accent);
}

.nav__links {
  display: flex;
  gap: 2rem;
}

.nav__links a {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  position: relative;
  padding-bottom: 2px;
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0;
  height: 1.5px;
  background: var(--accent);
  transition: width 0.3s ease;
}

.nav__links a:hover::after {
  width: 100%;
}

.nav__cta {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: var(--accent);
  color: #fff;
  padding: 0.65rem 1.5rem;
  border-radius: 2px;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.nav__cta:hover {
  background: var(--accent-hover);
  transform: scale(1.02);
  box-shadow: 0 4px 16px rgba(26, 122, 109, 0.25);
}

.nav__cta:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* Burger */
.nav__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 200;
}

.nav__burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: transform 0.3s ease, opacity 0.3s ease;
  transform-origin: center;
}

.nav__burger.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__burger.is-open span:nth-child(2) {
  opacity: 0;
}

.nav__burger.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ─── Mobile Menu Overlay ─── */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

.mobile-menu.is-open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.mobile-menu__link {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: color var(--transition);
}

.mobile-menu__link:hover {
  color: var(--accent);
}

.mobile-menu__cta {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--accent);
  color: #fff;
  padding: 1rem 2.5rem;
  border-radius: 2px;
  margin-top: 1rem;
}

/* ═══════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════ */
.hero {
  padding-top: 8rem;
  padding-bottom: var(--space-xl);
  padding-left: var(--margin);
  padding-right: var(--margin);
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}

.hero__label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-md);
}

.hero__headline {
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.025em;
  margin-bottom: var(--space-md);
}

.hero__headline-main {
  display: block;
  font-size: clamp(2.8rem, 5.5vw, 5rem);
  color: var(--text);
}

.hero__headline-sub {
  display: block;
  font-size: clamp(1.2rem, 2.2vw, 1.8rem);
  font-weight: 500;
  color: var(--text-muted);
  line-height: 1.3;
  margin-top: 0.5rem;
}

.hero__copy {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 520px;
  margin-bottom: var(--space-sm);
}

.hero__copy--secondary {
  font-size: 0.95rem;
  margin-bottom: var(--space-md);
}

.hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero__image {
  position: relative;
}

.hero__image img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 2px;
  filter: saturate(0.85) contrast(1.05);
}

/* Signature underline */
.hero__signature {
  margin-top: var(--space-lg);
  overflow: hidden;
}

.hero__underline {
  width: min(360px, 60%);
  height: 12px;
}

.hero__underline path {
  stroke-dasharray: 400;
  stroke-dashoffset: 400;
  animation: drawLine 1.2s ease 1s forwards;
}

@keyframes drawLine {
  to { stroke-dashoffset: 0; }
}

/* ─── Buttons ─── */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  padding: 0.9rem 2rem;
  border-radius: 2px;
  transition: background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}

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

.btn--primary {
  background: var(--accent);
  color: #fff;
}

.btn--primary:hover {
  background: var(--accent-hover);
  transform: scale(1.02);
  box-shadow: 0 4px 20px rgba(26, 122, 109, 0.3);
}

.btn--secondary {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border);
}

.btn--secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: scale(1.02);
}

/* ═══════════════════════════════════════════════
   FEATURES
   ═══════════════════════════════════════════════ */
.features {
  padding: var(--space-xl) 0;
}

.feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-xl) var(--margin);
  align-items: center;
}

/* Alternate text/image sides via order */
.feature--right .feature__text { order: 1; }
.feature--right .feature__media { order: 2; }
.feature--left .feature__text { order: 2; }
.feature--left .feature__media { order: 1; }

.feature__number {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(4rem, 8vw, 7rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--surface);
  -webkit-text-stroke: 1px var(--border);
  margin-bottom: var(--space-xs);
  user-select: none;
}

.feature__label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-sm);
  position: relative;
  padding-left: 2rem;
}

.feature__label::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 1.2rem;
  height: 1.5px;
  background: var(--accent);
}

.feature__title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin-bottom: var(--space-md);
  max-width: 480px;
}

.feature__body {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-muted);
  max-width: 480px;
  margin-bottom: var(--space-sm);
}

.feature__body:last-child {
  margin-bottom: 0;
}

.feature__media img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 2px;
  filter: saturate(0.8) contrast(1.05);
  transition: filter var(--transition);
}

.feature__media:hover img {
  filter: saturate(1) contrast(1);
}

/* Divider between features */
.feature + .feature {
  border-top: 1px solid var(--border);
}

/* ═══════════════════════════════════════════════
   TESTIMONIALS
   ═══════════════════════════════════════════════ */
.testimonials {
  background: var(--surface);
  padding: var(--space-xl) 0;
}

.testimonials__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--margin);
}

.testimonials__label {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-sm);
}

.testimonials__title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-lg);
}

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.testimonial {
  padding: var(--space-md) 0;
  border-top: 2px solid var(--accent);
}

.testimonial__text {
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text);
  margin-bottom: var(--space-md);
  font-style: normal;
}

.testimonial__cite {
  font-style: normal;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.testimonial__cite strong {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
}

.testimonial__cite span {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.01em;
}

.testimonials__note {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: var(--space-lg);
}

/* Logo placeholders */
.logos {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: center;
  padding-top: var(--space-md);
  border-top: 1px solid var(--border);
}

.logos__item {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--border);
  padding: 0.6rem 1.2rem;
  border: 1px dashed var(--border);
  border-radius: 2px;
}

/* ═══════════════════════════════════════════════
   ABOUT
   ═══════════════════════════════════════════════ */
.about {
  padding: var(--space-xl) 0;
}

.about__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--margin);
  display: grid;
  grid-template-columns: 5fr 7fr;
  grid-template-rows: auto auto;
  gap: var(--space-lg);
}

.about__portrait {
  grid-row: 1 / 3;
}

.about__portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 2px;
  filter: grayscale(0.2) contrast(1.1);
}

.about__label {
  display: block;
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-sm);
}

.about__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
}

.about__body {
  font-size: 1.1rem;
  line-height: 1.75;
  color: var(--text-muted);
  max-width: 560px;
}

.about__text {
  align-self: end;
  padding-bottom: var(--space-sm);
}

.about__secondary {
  align-self: start;
}

.about__secondary img {
  width: 100%;
  max-width: 360px;
  height: auto;
  object-fit: cover;
  border-radius: 2px;
  filter: saturate(0.75);
  margin-bottom: var(--space-sm);
}

.about__caption {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: italic;
  max-width: 360px;
}

/* ═══════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════ */
.footer {
  background: var(--text);
  color: #fff;
  padding: var(--space-xl) 0 var(--space-md);
}

.footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--margin);
}

.footer__cta {
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer__title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
  max-width: 640px;
}

.footer__body {
  font-size: 1.05rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.7);
  max-width: 560px;
  margin-bottom: var(--space-md);
}

.footer__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer__actions .btn--primary {
  background: var(--accent);
  color: #fff;
}

.footer__actions .btn--primary:hover {
  background: var(--accent-hover);
}

.footer__actions .btn--secondary {
  border-color: rgba(255, 255, 255, 0.25);
  color: #fff;
}

.footer__actions .btn--secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.footer__contact {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer__contact-label {
  display: block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 0.4rem;
}

.footer__contact-item a,
.footer__contact-item span {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.85);
  transition: color var(--transition);
}

.footer__contact-item a:hover {
  color: var(--accent);
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: var(--space-lg);
}

.footer__nav a {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--transition);
}

.footer__nav a:hover {
  color: #fff;
}

.footer__copy {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.3);
}

/* ═══════════════════════════════════════════════
   RESPONSIVE — Tablet
   ═══════════════════════════════════════════════ */
@media (max-width: 960px) {
  .nav__links { display: none; }
  .nav__cta { display: none; }
  .nav__burger { display: flex; }

  .hero__content {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .hero__image {
    order: -1;
  }

  .feature {
    grid-template-columns: 1fr;
    gap: var(--space-md);
    padding: var(--space-lg) var(--margin);
  }

  .feature--left .feature__text,
  .feature--right .feature__text { order: 1; }
  .feature--left .feature__media,
  .feature--right .feature__media { order: 2; }

  .testimonials__grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .about__inner {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }

  .about__portrait {
    grid-row: auto;
    max-width: 400px;
  }

  .footer__contact {
    flex-direction: column;
    gap: var(--space-md);
  }
}

/* ═══════════════════════════════════════════════
   RESPONSIVE — Mobile
   ═══════════════════════════════════════════════ */
@media (max-width: 600px) {
  :root {
    --margin: 1.25rem;
  }

  .hero {
    padding-top: 6rem;
    padding-bottom: var(--space-lg);
  }

  .hero__headline-main {
    font-size: 2.4rem;
  }

  .hero__actions {
    flex-direction: column;
  }

  .btn {
    text-align: center;
    width: 100%;
  }

  .feature__number {
    font-size: 3.5rem;
  }

  .feature__title {
    font-size: 1.4rem;
  }

  .testimonials__title {
    font-size: 1.6rem;
  }

  .about__title {
    font-size: 1.8rem;
  }

  .footer__title {
    font-size: 1.6rem;
  }

  .footer__nav {
    flex-direction: column;
    gap: 0.75rem;
  }

  .mobile-menu__link {
    font-size: 1.6rem;
  }

  .logos {
    gap: var(--space-sm);
  }

  .logos__item {
    font-size: 0.7rem;
    padding: 0.4rem 0.8rem;
  }
}

/* ═══════════════════════════════════════════════
   REDUCED MOTION
   ═══════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero__underline path {
    animation: none;
    stroke-dashoffset: 0;
  }

  html {
    scroll-behavior: auto;
  }
}