/* =========================================================================
   main.css — Tokens, Typografie, Layout  ·  Variante 2 "Raute"
   Motiv: das Rauten-/Diamant-Zeichen des Logos zieht sich durch die Seite.
   ========================================================================= */

:root {
  --bg: #ececec;
  --surface: #f1f3f8;
  --surface-2: #e7eaf2;
  --ink: #11131a;
  --text: #3a4150;
  --muted: #6a7081;
  --line: #e3e6ef;
  --line-strong: #d2d7e4;

  --accent: #2c5fd6;
  --accent-hover: #2350bd;
  --accent-deep: #1d3f95;
  --accent-ink: #ffffff;
  --accent-soft: rgba(44, 95, 214, 0.09);
  --accent-ring: rgba(44, 95, 214, 0.32);

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4rem;
  --section-y: clamp(4.5rem, 9vw, 7.5rem);

  --radius: 16px;
  --radius-sm: 11px;
  --radius-lg: 24px;
  --maxw: 1140px;
  --shadow-sm:
    0 1px 2px rgba(17, 19, 26, 0.05), 0 3px 10px rgba(17, 19, 26, 0.05);
  --shadow-md: 0 16px 44px rgba(17, 19, 26, 0.12);
  --shadow-accent: 0 18px 44px rgba(44, 95, 214, 0.24);

  --font-body:
    'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --t-eyebrow: 0.8rem;
  --t-body: 1.0625rem;
  --t-lead: clamp(1.05rem, 1.6vw, 1.28rem);
  --t-h3: 1.35rem;
  --t-h2: clamp(2rem, 4vw, 3rem);
  --t-h1: clamp(2.6rem, 6.2vw, 4.6rem);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}
* {
  margin: 0;
}
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  font-family: var(--font-body);
  font-size: var(--t-body);
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition:
    background-color 0.3s ease,
    color 0.3s ease;
  overflow-x: hidden;
}
body.is-nav-open {
  overflow: hidden;
}

img,
svg {
  display: block;
  max-width: 100%;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
  color: inherit;
  cursor: pointer;
  background: none;
  border: 0;
}
input,
textarea {
  font: inherit;
  color: inherit;
}
ul {
  list-style: none;
  padding: 0;
}

:focus-visible {
  outline: 3px solid var(--accent-ring);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: 50%;
  top: -60px;
  transform: translateX(-50%);
  background: var(--ink);
  color: #fff;
  padding: 0.6rem 1rem;
  border-radius: 0 0 10px 10px;
  z-index: 200;
  transition: top 0.2s ease;
}
.skip-link:focus {
  top: 0;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  color: var(--ink);
  line-height: 1.06;
  font-weight: 700;
  letter-spacing: -0.02em;
}
h3 {
  font-size: var(--t-h3);
  line-height: 1.2;
}
p {
  text-wrap: pretty;
}
strong {
  color: var(--ink);
  font-weight: 600;
}
em {
  font-style: normal;
  color: var(--muted);
}

/* Eyebrow mit Rauten-Marker */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: var(--t-eyebrow);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-2);
}
.eyebrow::before {
  content: '';
  width: 10px;
  height: 10px;
  background: var(--accent);
  transform: rotate(45deg);
  border-radius: 2px;
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: clamp(1.1rem, 4vw, 2rem);
}
.section {
  padding-block: var(--section-y);
  scroll-margin-top: 90px;
}
.section--alt {
  background: var(--surface);
  border-block: 1px solid var(--line);
}
.section__head {
  max-width: 46rem;
  margin-bottom: clamp(2.5rem, 5vw, 3.5rem);
}
.section__title {
  font-size: var(--t-h2);
  margin-bottom: var(--space-2);
}
.section__lead {
  font-size: var(--t-lead);
  color: var(--muted);
}

.grid {
  display: grid;
  gap: clamp(1rem, 2.4vw, 1.5rem);
}
.grid--services {
  grid-template-columns: repeat(2, 1fr);
}
.grid--projects {
  grid-template-columns: repeat(2, 1fr);
}
.grid--pricing {
  grid-template-columns: repeat(3, 1fr);
  align-items: stretch;
}

/* ---------- Hero ----------------------------------------------------------- */
.hero {
  position: relative;
  padding-block: clamp(4.5rem, 10vw, 8rem) clamp(3rem, 6vw, 5rem);
  scroll-margin-top: 90px;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: radial-gradient(
    120% 90% at 80% 0%,
    #000 0%,
    transparent 65%
  );
  mask-image: radial-gradient(120% 90% at 80% 0%, #000 0%, transparent 65%);
  opacity: 0.6;
}
.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.hero__title {
  font-size: var(--t-h1);
  margin-bottom: var(--space-3);
  max-width: 14ch;
}
.hero__lead {
  font-size: var(--t-lead);
  color: var(--muted);
  max-width: 46ch;
  margin-bottom: var(--space-4);
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* Logo-Medaillon mit Rauten-Ringen */
.hero__mark {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  max-width: 360px;
  margin-inline: auto;
}
.hero__logo {
  width: clamp(120px, 18vw, 168px);
  height: auto;
  position: relative;
  z-index: 2;
  pointer-events: none;
}
.rune {
  position: absolute;
  border: 2px solid var(--accent);
  border-radius: 14px;
  transform: rotate(45deg);
  opacity: 0.25;
}
.rune--1 {
  width: 64%;
  height: 64%;
}
.rune--2 {
  width: 92%;
  height: 92%;
  opacity: 0.14;
  border-color: var(--ink);
}
@media (prefers-reduced-motion: no-preference) {
  .rune--1 {
    animation: float 7s ease-in-out infinite;
  }
  .rune--2 {
    animation: float 9s ease-in-out infinite reverse;
  }
}
@keyframes float {
  0%,
  100% {
    transform: rotate(45deg) translateY(0);
  }
  50% {
    transform: rotate(45deg) translateY(-10px);
  }
}

.hero__strip {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2) var(--space-5);
  margin-top: clamp(2.5rem, 5vw, 3.5rem);
  padding-top: var(--space-4);
  border-top: 1px solid var(--line);
  color: var(--muted);
}
.hero__strip strong {
  color: var(--ink);
  margin-right: 0.35rem;
}

/* ---------- About ---------------------------------------------------------- */
.about {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.about__text p {
  margin-top: var(--space-3);
}
.about__facts {
  display: grid;
  gap: var(--space-2);
}
.about__facts li {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  padding: 0.9rem 1.1rem;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}
.about__facts .dot {
  flex: none;
  width: 9px;
  height: 9px;
  background: var(--accent);
  transform: rotate(45deg);
  border-radius: 2px;
}
.about__facts strong {
  margin-right: 0.15rem;
}

/* ---------- Contact -------------------------------------------------------- */
.contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
.contact__intro p {
  color: var(--muted);
  margin-bottom: var(--space-4);
  max-width: 38ch;
}
.contact__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
}
.contact__links a {
  color: var(--accent);
  font-weight: 600;
  border-bottom: 1px solid transparent;
}
.contact__links a:hover {
  border-color: currentColor;
}

/* ---------- Reveal --------------------------------------------------------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.6s ease,
    transform 0.6s cubic-bezier(0.2, 0.7, 0.2, 1);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}
.grid [data-reveal]:nth-child(2) {
  transition-delay: 0.06s;
}
.grid [data-reveal]:nth-child(3) {
  transition-delay: 0.12s;
}
.grid [data-reveal]:nth-child(4) {
  transition-delay: 0.18s;
}
.grid [data-reveal]:nth-child(5) {
  transition-delay: 0.24s;
}
.grid [data-reveal]:nth-child(6) {
  transition-delay: 0.3s;
}
@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    transition: none;
    transform: none;
    opacity: 1;
  }
}

/* ---------- Responsive ----------------------------------------------------- */
@media (max-width: 880px) {
  .hero__inner {
    grid-template-columns: 1fr;
  }
  .hero__mark {
    order: -1;
    max-width: 240px;
  }
  .about,
  .contact {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 768px) {
  .grid--services,
  .grid--projects,
  .grid--pricing {
    grid-template-columns: 1fr;
  }
}
@media (min-width: 1200px) {
  .grid--services {
    grid-template-columns: repeat(4, 1fr);
  }
  .grid--projects {
    grid-template-columns: repeat(3, 1fr);
  }
}