/* ============================================
   L3PYS.at – Stylesheet
   Design: "Nerdy meets Business" Dark Theme
   ============================================ */

/* ── CSS Custom Properties ──────────────── */
:root {
  /* Colors */
  --color-bg:          #0D1117;
  --color-bg-elevated: #161B22;
  --color-border:      #30363D;
  --color-text:        #F0F6FC;
  --color-text-muted:  #8B949E;
  --color-accent:      #00FF41;
  --color-accent-soft: #238636;
  --color-highlight:   #D29922;

  /* Typography */
  --font-mono:  'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  --font-sans:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Spacing */
  --section-padding: 120px;
  --container-max:   1200px;
  --container-pad:   24px;

  /* Glow (used in buttons/nav) */
  --glow-accent: rgba(0, 255, 65, 0.35);
  --nav-bg: rgba(13, 17, 23, 0.85);

  /* Transitions */
  --transition: 0.3s ease;
}

/* ── Light Mode (system preference) ───── */
@media (prefers-color-scheme: light) {
  :root {
    --color-bg:          #FFFFFF;
    --color-bg-elevated: #F6F8FA;
    --color-border:      #D0D7DE;
    --color-text:        #1F2328;
    --color-text-muted:  #656D76;
    --color-accent:      #1A7F37;
    --color-accent-soft: #2DA44E;
    --color-highlight:   #9A6700;
    --glow-accent:       rgba(26, 127, 55, 0.25);
    --nav-bg:            rgba(255, 255, 255, 0.85);
  }
}

/* ── Font Faces (self-hosted) ───────────── */
@font-face {
  font-family: 'JetBrains Mono';
  src: url('../fonts/JetBrainsMono-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'JetBrains Mono';
  src: url('../fonts/JetBrainsMono-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Inter';
  src: url('../fonts/Inter-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Inter';
  src: url('../fonts/Inter-SemiBold.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

/* ── Utility ────────────────────────────── */
.text-accent {
  color: var(--color-accent);
}

/* Fade-in animation (triggered by IntersectionObserver in main.js) */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: opacity var(--transition);
}

a:hover {
  opacity: 0.8;
}

/* Focus styles for keyboard navigation */
a:focus-visible,
.btn:focus-visible,
.nav__toggle:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

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

/* ── Shared ─────────────────────────────── */
.section__prefix {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.section__title {
  font-family: var(--font-mono);
  font-size: clamp(28px, 5vw, 40px);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 48px;
}

/* ── Buttons ────────────────────────────── */
.btn {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  padding: 14px 36px;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
}

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

.btn--primary:hover {
  opacity: 1;
  box-shadow: 0 0 24px var(--glow-accent);
  transform: translateY(-1px);
}

.btn--full {
  width: 100%;
}

/* ── Navigation ─────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}

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

.nav__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav__logo {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text);
}

.nav__logo:hover {
  opacity: 1;
}

.nav__cursor {
  color: var(--color-accent);
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

.nav__links {
  display: flex;
  list-style: none;
  gap: 32px;
  align-items: center;
}

.nav__links a {
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.nav__links a:hover {
  color: var(--color-text);
  opacity: 1;
}

.nav__cta {
  background-color: var(--color-accent);
  color: var(--color-bg) !important;
  padding: 8px 20px;
  border-radius: 4px;
  font-weight: 600;
  font-family: var(--font-mono) !important;
  font-size: 14px !important;
}

.nav__cta:hover {
  box-shadow: 0 0 16px var(--glow-accent);
  opacity: 1 !important;
}

/* ── Nav: Fernwartung Utility Link ─────── */
.nav__support {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono) !important;
  font-size: 13px !important;
  color: var(--color-text-muted) !important;
  border: 1px solid var(--color-border);
  padding: 6px 14px;
  border-radius: 4px;
  transition: color var(--transition), border-color var(--transition);
}

.nav__support:hover {
  color: var(--color-accent) !important;
  border-color: var(--color-accent);
  opacity: 1 !important;
}

.nav__support-icon {
  flex-shrink: 0;
}

/* Hamburger */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: all var(--transition);
}

/* ── Hero ───────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px var(--container-pad) 80px;
  background-image: radial-gradient(var(--color-border) 1px, transparent 1px);
  background-size: 32px 32px;
  background-position: center;
}

.hero__container {
  max-width: var(--container-max);
  margin: 0 auto;
  width: 100%;
}

.hero__prefix {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: 16px;
  overflow: hidden;
  white-space: nowrap;
  width: 0;
  animation: typewriter 1.5s steps(30) 0.5s forwards;
}

@keyframes typewriter {
  to { width: 100%; }
}

.hero__title {
  font-family: var(--font-mono);
  font-size: clamp(36px, 7vw, 56px);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 24px;
  opacity: 0;
  transform: translateY(16px);
  animation: hero-fade-in 0.6s ease 1s forwards;
}

.hero__subtitle {
  font-size: 20px;
  color: var(--color-text-muted);
  margin-bottom: 16px;
  max-width: 640px;
  opacity: 0;
  transform: translateY(16px);
  animation: hero-fade-in 0.6s ease 1.3s forwards;
}

.hero__description {
  font-size: 17px;
  color: var(--color-text-muted);
  margin-bottom: 40px;
  max-width: 600px;
  opacity: 0;
  transform: translateY(16px);
  animation: hero-fade-in 0.6s ease 1.5s forwards;
}

.hero .btn {
  opacity: 0;
  transform: translateY(16px);
  animation: hero-fade-in 0.6s ease 1.7s forwards;
}

@keyframes hero-fade-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero__cursor {
  color: var(--color-accent);
  animation: blink 1s step-end infinite;
}

/* ── Services ───────────────────────────── */
.services {
  padding: var(--section-padding) var(--container-pad);
}

.services__container {
  max-width: var(--container-max);
  margin: 0 auto;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

/* Cards */
.card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 36px;
  transition: border-color var(--transition), transform var(--transition);
}

.card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.card__icon {
  color: var(--color-accent);
  margin-bottom: 20px;
}

.card__title {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}

.card__title::before {
  content: '$ ';
  color: var(--color-accent);
  font-weight: 400;
}

.card__text {
  font-size: 15px;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ── About ──────────────────────────────── */
.about {
  padding: var(--section-padding) var(--container-pad);
}

.about__container {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.about__text {
  font-size: 17px;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.about__facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  padding-top: 80px;
}

.fact {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 28px;
  text-align: center;
}

.fact__number {
  display: block;
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.fact__label {
  font-size: 13px;
  color: var(--color-text-muted);
}

/* ── Process ────────────────────────────── */
.process {
  padding: var(--section-padding) var(--container-pad);
  background: var(--color-bg-elevated);
}

.process__container {
  max-width: var(--container-max);
  margin: 0 auto;
}

.process__intro {
  font-size: 18px;
  color: var(--color-text-muted);
  max-width: 680px;
  margin-bottom: 64px;
}

.process__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-bottom: 48px;
}

.step {
  position: relative;
}

.step:not(:last-child)::after {
  content: '→';
  position: absolute;
  top: 20px;
  right: -20px;
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--color-border);
}

.step__number {
  font-family: var(--font-mono);
  font-size: 48px;
  font-weight: 700;
  color: var(--color-border);
  display: block;
  margin-bottom: 16px;
}

.step__title {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.step__text {
  font-size: 15px;
  color: var(--color-text-muted);
}

.process__note {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-accent);
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

/* ── Contact ────────────────────────────── */
.contact {
  padding: var(--section-padding) var(--container-pad);
}

.contact__container {
  max-width: var(--container-max);
  margin: 0 auto;
}

.contact__intro {
  font-size: 18px;
  color: var(--color-text-muted);
  margin-bottom: 48px;
  max-width: 520px;
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

/* Form */
.form__group {
  margin-bottom: 24px;
}

.form__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.form__input,
.form__textarea {
  width: 100%;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 12px 16px;
  font-family: var(--font-sans);
  font-size: 16px;
  color: var(--color-text);
  transition: border-color var(--transition);
}

.form__input:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form__textarea {
  resize: vertical;
  min-height: 120px;
}

.form__group--checkbox {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.form__group--checkbox input[type="checkbox"] {
  margin-top: 4px;
  accent-color: var(--color-accent);
  flex-shrink: 0;
}

.form__label--checkbox {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* Contact Alt (direct email fallback below form) */
.contact__alt {
  text-align: center;
  font-size: 14px;
  color: var(--color-text-muted);
  margin-top: 16px;
}

.contact__alt a {
  color: var(--color-text);
  transition: color var(--transition);
}

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

/* ── Terminal Info Panel ────────────────── */
.terminal-panel {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
  align-self: start;
}

.terminal-panel__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.terminal-panel__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.terminal-panel__dot--red { background: #FF5F56; }
.terminal-panel__dot--yellow { background: #FFBD2E; }
.terminal-panel__dot--green { background: #27C93F; }

.terminal-panel__title {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text-muted);
  margin-left: 8px;
}

.terminal-panel__body {
  padding: 24px;
}

.terminal-panel__prompt {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-accent);
  margin-bottom: 12px;
  margin-top: 24px;
}

.terminal-panel__prompt:first-child {
  margin-top: 0;
}

.terminal-panel__line {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-text);
  padding: 4px 0;
  padding-left: 16px;
}

.terminal-panel__cursor {
  display: inline-block;
  font-family: var(--font-mono);
  color: var(--color-accent);
  margin-left: 16px;
  margin-top: 16px;
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* ── Legal Pages (Impressum, Datenschutz) ─ */
.hero--page {
  min-height: auto;
  padding-top: 140px;
  padding-bottom: 80px;
  background-image: none;
}

.legal-content {
  max-width: 680px;
  color: var(--color-text-muted);
  line-height: 1.8;
}

.legal-content h2 {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  margin: 40px 0 16px;
}

.legal-content h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text);
  margin: 24px 0 12px;
}

.legal-content p + p {
  margin-top: 12px;
}

.legal-content strong {
  color: var(--color-text);
}

.legal-content .legal-note {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  font-size: 13px;
  color: var(--color-text-muted);
}

.legal-content .legal-note strong {
  color: var(--color-highlight);
}

/* ── Footer ─────────────────────────────── */
.footer {
  padding: 32px var(--container-pad);
  border-top: 1px solid var(--color-border);
}

.footer__container {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer__left {
  display: flex;
  align-items: center;
  gap: 24px;
}

.footer__logo {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 16px;
}

.footer__copy {
  font-size: 14px;
  color: var(--color-text-muted);
}

.footer__links {
  display: flex;
  gap: 24px;
}

.footer__links a {
  font-size: 14px;
  color: var(--color-text-muted);
}

.footer__links a:hover {
  color: var(--color-text);
  opacity: 1;
}

.footer__link--external::after {
  content: ' \2197';
  font-size: 11px;
  opacity: 0.6;
}

/* ── Responsive ─────────────────────────── */
@media (max-width: 1024px) {
  :root {
    --section-padding: 80px;
    --container-pad: 32px;
  }

  .about__container {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about__facts {
    padding-top: 0;
  }

  .process__steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact__grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}

@media (max-width: 640px) {
  :root {
    --section-padding: 64px;
    --container-pad: 20px;
  }

  /* Mobile Nav */
  .nav__toggle {
    display: flex;
  }

  .nav__links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition);
  }

  .nav__links--open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

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

  .nav__cta {
    text-align: center;
    display: block;
  }

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

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

  .step:not(:last-child)::after {
    display: none;
  }

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

  .hero__title {
    font-size: clamp(28px, 8vw, 42px);
  }

  .hero__prefix {
    white-space: normal;
    width: auto;
    animation: none;
    opacity: 1;
  }

  /* Mobile: Terminal-Panel vor Formular */
  .terminal-panel {
    order: -1;
  }

  /* Mobile Footer */
  .footer__container {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }

  .footer__left {
    flex-direction: column;
    gap: 8px;
  }

  .footer__links {
    flex-direction: column;
    align-items: center;
    gap: 12px;
  }
}