/* ============================
   LAYOUT — Lass mal machen
   ============================ */

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.container--narrow {
  max-width: 800px;
}

.container--wide {
  max-width: 1600px;
}

/* Grid */
.grid {
  display: grid;
  gap: var(--grid-gap);
}

.grid--2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 400px), 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr)); }

@media (min-width: 768px) {
  .grid--split { grid-template-columns: 1fr 1fr; }
  .grid--split-wide { grid-template-columns: 1.2fr 0.8fr; }
  .grid--split-reverse { grid-template-columns: 0.8fr 1.2fr; }
}

/* ============================
   NAVIGATION
   ============================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-6) 0;
  transition: background-color 0.4s var(--ease-out-expo),
              padding 0.4s var(--ease-out-expo),
              backdrop-filter 0.4s var(--ease-out-expo);
}

.nav--scrolled {
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-tight);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nav__logo-accent {
  background: var(--color-accent);
  color: #fff;
  padding: 0.1em 0.3em;
  font-size: 0.85em;
}

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

.nav__link {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  position: relative;
  transition: color 0.3s ease;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s var(--ease-out-expo);
}

.nav__link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

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

@media (max-width: 767px) {
  .nav__links { display: none; }
}

@media (min-width: 768px) {
  .menu-toggle { display: none; }
}

/* Menu Toggle (Hamburger) */
.menu-toggle {
  width: 32px;
  height: 24px;
  position: relative;
  z-index: 101;
}

.menu-toggle__bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  position: absolute;
  left: 0;
  transition: transform 0.4s var(--ease-out-expo), opacity 0.3s ease;
}

.menu-toggle__bar:first-child { top: 4px; }
.menu-toggle__bar:last-child { bottom: 4px; }

.menu-toggle.is-active .menu-toggle__bar:first-child {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.is-active .menu-toggle__bar:last-child {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Menu Overlay */
.menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  clip-path: circle(0% at top right);
}

.menu-overlay__links {
  text-align: center;
}

.menu-link {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: var(--weight-bold);
  padding: var(--space-4) 0;
  letter-spacing: var(--tracking-tight);
  transition: color 0.3s ease;
}

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

/* ============================
   HERO
   ============================ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.hero__bg-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, var(--color-accent-subtle) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 60%, rgba(230, 55, 38, 0.05) 0%, transparent 50%);
}

.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 30%, transparent 70%);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 900px;
}

.hero__title {
  font-size: var(--text-hero);
  font-family: var(--font-heading);
  font-weight: var(--weight-bold);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-6);
}

.hero__title .accent {
  color: var(--color-accent);
}

.line {
  display: block;
  overflow: hidden;
}

.line__inner {
  display: block;
  transform: translateY(110%);
}

.hero__subtitle {
  font-size: var(--text-xl);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  opacity: 0;
  transform: translateY(20px);
  max-width: 550px;
  line-height: var(--leading-relaxed);
  text-wrap: balance;
}

.hero__description {
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  opacity: 0;
  transform: translateY(20px);
  max-width: 520px;
  line-height: var(--leading-relaxed);
}

.hero__cta {
  opacity: 0;
  transform: translateY(20px);
}

.hero__scroll-indicator {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-text-subtle);
  opacity: 0;
}

.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
  animation: scrollPulse 2.5s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { transform: scaleY(0); transform-origin: top; opacity: 0; }
  20% { opacity: 1; }
  50% { transform: scaleY(1); transform-origin: top; opacity: 1; }
  51% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}

/* ============================
   SECTIONS
   ============================ */

.section {
  padding-block: var(--section-gap);
  position: relative;
}

.section__header {
  margin-bottom: var(--space-16);
}

.section__header .overline {
  margin-bottom: var(--space-3);
  display: block;
}

.section--dark {
  background: var(--color-bg);
}

.section--elevated {
  background: var(--color-bg-elevated);
  overflow: hidden;
}

/* Subtle ambient glow for elevated sections */
.section--elevated::after {
  content: '';
  position: absolute;
  width: 800px;
  height: 800px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(230, 55, 38, 0.07) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.section--elevated > * {
  position: relative;
  z-index: 1;
}

/* Vary glow position per section */
#values::after {
  top: -200px;
  right: -100px;
}

#example::after {
  bottom: -150px;
  left: -100px;
}

#approach::after {
  top: 50%;
  right: -200px;
  transform: translateY(-50%);
}

#pricing::after {
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
}

.section--accent-glow {
  background: var(--color-bg);
  position: relative;
}

.section--accent-glow::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent-glow), transparent);
}

/* Section grid pattern (matches hero grid) */
.section--grid {
  overflow: hidden;
}

.section--grid::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 20%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.section--grid > * {
  position: relative;
  z-index: 1;
}

/* ============================
   FOOTER
   ============================ */

.footer {
  padding-block: var(--space-16);
  border-top: 1px solid var(--color-border);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}

.footer__top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-8);
}

.footer__brand {
  max-width: 400px;
}

.footer__logo {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.footer__logo-accent {
  background: var(--color-accent);
  color: #fff;
  padding: 0.1em 0.3em;
  font-size: 0.85em;
}

.footer__tagline {
  color: var(--color-text-muted);
  line-height: var(--leading-normal);
}

.footer__nav {
  display: flex;
  gap: var(--space-8);
}

.footer__nav-col h4 {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-4);
  color: var(--color-text);
  font-family: var(--font-body);
}

.footer__nav-col a {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding-block: var(--space-1);
  transition: color 0.3s ease;
}

.footer__nav-col a:hover {
  color: var(--color-accent);
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}

.footer__copyright {
  color: var(--color-text-subtle);
  font-size: var(--text-sm);
}

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

.footer__legal a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color 0.3s ease;
}

.footer__legal a:hover {
  color: var(--color-text);
}

/* ============================
   RESPONSIVE
   ============================ */

@media (max-width: 767px) {
  .hero__title {
    font-size: clamp(2.2rem, 10vw, 3.5rem);
  }

  .hero {
    padding-top: 80px;
    min-height: 100svh;
  }

  .footer__top {
    flex-direction: column;
  }

  .footer__nav {
    flex-direction: column;
    gap: var(--space-6);
  }

  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }
}