/* ===========================
   Paul Tschischik — Landing Page
   Design: Champagne Gold + Pearl
   Fonts: Playfair Display + Inter
   =========================== */

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

:root {
  /* Colors */
  --gold: #D4AF37;
  --gold-dark: #B5952F;
  --gold-light: rgba(212, 175, 55, 0.10);
  --gold-glow: rgba(212, 175, 55, 0.05);

  --bg: #F8F9FA;
  --surface: #FFFFFF;
  --surface-alt: #F5F3EE;
  --border: #E8E5DE;
  --border-light: #F0EDE6;

  --text: #2C3E50;
  --text-muted: #6B7280;
  --text-faint: #9CA3AF;

  /* Typography */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Layout */
  --max-w: 1200px;
  --gutter: clamp(1rem, 4vw, 2rem);

  /* Transitions */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --duration: 0.3s;
}

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

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
address { font-style: normal; }

/* --- Scroll-reveal animation --- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

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

/* ===========================
   Navigation
   =========================== */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--duration) var(--ease);
}
.nav--scrolled {
  box-shadow: 0 1px 8px rgba(0,0,0,0.06);
}
.nav__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav__logo-mark {
  width: 38px;
  height: 38px;
  background: var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.05em;
  border-radius: 2px;
}
.nav__logo-text {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: 0.04em;
  color: var(--text);
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav__link {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text);
  transition: color var(--duration);
}
.nav__link:hover { color: var(--gold); }
.nav__cta {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 10px 22px;
  border: 1px solid var(--gold);
  color: var(--gold);
  border-radius: 2px;
  transition: background var(--duration), color var(--duration);
}
.nav__cta:hover {
  background: var(--gold);
  color: #fff;
}

/* Mobile toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav__toggle-bar {
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 1px;
  transition: transform var(--duration) var(--ease), opacity var(--duration);
}
.nav__toggle.active .nav__toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__toggle.active .nav__toggle-bar:nth-child(2) {
  opacity: 0;
}
.nav__toggle.active .nav__toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

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

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(20px);
  z-index: 99;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration) var(--ease);
}
.mobile-menu.open {
  opacity: 1;
  pointer-events: auto;
}
.mobile-menu__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}
.mobile-menu__link {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 500;
  color: var(--text);
  transition: color var(--duration);
}
.mobile-menu__link:hover { color: var(--gold); }
.mobile-menu__cta {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 14px 32px;
  border: 1px solid var(--gold);
  color: var(--gold);
  border-radius: 2px;
  transition: background var(--duration), color var(--duration);
}
.mobile-menu__cta:hover {
  background: var(--gold);
  color: #fff;
}

/* ===========================
   Hero
   =========================== */
.hero {
  position: relative;
  padding: clamp(60px, 8vw, 100px) 0 clamp(80px, 10vw, 140px);
  overflow: hidden;
}
.hero__glow {
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: var(--gold-glow);
  filter: blur(100px);
  pointer-events: none;
}
.hero__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 80px);
  align-items: center;
}
.hero__content {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.hero__badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  padding-bottom: 6px;
  border-bottom: 1px solid var(--gold);
  align-self: flex-start;
}
.hero__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(40px, 5.5vw, 72px);
  line-height: 1.1;
  color: var(--text);
}
.hero__title-accent {
  display: block;
  font-style: italic;
  color: var(--gold);
}
.hero__desc {
  font-size: 17px;
  line-height: 1.7;
  color: var(--text-muted);
  font-weight: 300;
  max-width: 480px;
}
.hero__actions {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.hero__stat {
  display: flex;
  flex-direction: column;
  padding: 20px 28px;
  background: var(--surface);
  border-left: 4px solid var(--gold);
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}
.hero__stat-label {
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-bottom: 2px;
}
.hero__stat-value {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--text);
}
.hero__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  transition: color var(--duration);
}
.hero__link:hover { color: var(--gold-dark); }
.hero__link svg { transition: transform var(--duration) var(--ease); }
.hero__link:hover svg { transform: translateX(4px); }

/* Portrait */
.hero__portrait {
  position: relative;
  overflow: hidden;
  border-radius: 2px;
}
.hero__portrait-shadow {
  position: absolute;
  top: 16px;
  left: 16px;
  right: -16px;
  bottom: -16px;
  background: rgba(212, 175, 55, 0.15);
  border-radius: 2px;
  z-index: 0;
}
.hero__portrait-img {
  position: relative;
  z-index: 1;
  border-radius: 2px;
  transition: transform 0.7s var(--ease);
  box-shadow: 0 20px 60px rgba(0,0,0,0.12);
  object-fit: cover;
  object-position: center top;
  width: 100%;
  aspect-ratio: 3 / 4;
}
.hero__portrait:hover .hero__portrait-img {
  transform: scale(1.02);
}

@media (max-width: 900px) {
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: left;
  }
  .hero__portrait { max-width: 400px; margin: 0 auto; overflow: hidden; }
  .hero__portrait-shadow { top: 12px; left: 12px; right: 0; bottom: -12px; }
}

/* ===========================
   Expertise
   =========================== */
.expertise {
  padding: clamp(64px, 8vw, 120px) 0;
  background: var(--surface);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}
.expertise__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.expertise__header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-4xl);
}
.expertise__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(26px, 3vw, 36px);
  margin-bottom: var(--space-lg);
}
.expertise__divider {
  width: 48px;
  height: 2px;
  background: var(--gold);
  margin: 0 auto var(--space-lg);
}
.expertise__desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-muted);
}
.expertise__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}
.expertise__card {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.expertise__icon {
  width: 48px;
  height: 48px;
  background: var(--gold-light);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 2px;
  color: var(--gold);
  margin-bottom: 8px;
}
.expertise__card-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 19px;
}
.expertise__card-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
}

@media (max-width: 768px) {
  .expertise__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* ===========================
   For Software Entrepreneurs
   =========================== */
.entrepreneurs {
  padding: clamp(64px, 8vw, 120px) 0;
  background: var(--bg);
}
.entrepreneurs__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.entrepreneurs__header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-4xl);
}
.entrepreneurs__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(26px, 3vw, 36px);
  margin-bottom: var(--space-lg);
}
.entrepreneurs__divider {
  width: 48px;
  height: 2px;
  background: var(--gold);
  margin: 0 auto var(--space-lg);
}
.entrepreneurs__desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-muted);
}
.entrepreneurs__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}
.entrepreneurs__card {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.entrepreneurs__icon {
  width: 48px;
  height: 48px;
  background: var(--gold-light);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 2px;
  color: var(--gold);
  margin-bottom: 8px;
}
.entrepreneurs__card-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 19px;
}
.entrepreneurs__card-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
}

@media (max-width: 768px) {
  .entrepreneurs__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* ===========================
   Track Record
   =========================== */
.track {
  padding: clamp(64px, 8vw, 120px) 0;
  background: var(--bg);
}
.track__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.track__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: var(--space-4xl);
  gap: 24px;
  flex-wrap: wrap;
}
.track__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(26px, 3vw, 36px);
  margin-bottom: 8px;
}
.track__desc {
  font-size: 15px;
  color: var(--text-muted);
  max-width: 520px;
}
.track__ref {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  font-style: italic;
  color: var(--gold);
  white-space: nowrap;
}
/* Card logos */
.track__card-header {
  margin-bottom: 16px;
  height: 40px;
  display: flex;
  align-items: center;
}
.track__card-logo {
  max-height: 36px;
  max-width: 120px;
  width: auto;
  object-fit: contain;
  filter: grayscale(100%) opacity(0.45);
  transition: filter var(--duration) var(--ease);
}
.track__card:hover .track__card-logo {
  filter: grayscale(0%) opacity(1);
}
/* "& many more" card */
.track__card--more {
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-style: dashed;
  border-color: var(--border);
}
.track__card--more:hover {
  border-color: var(--gold);
}
.track__card-more-text {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  font-style: italic;
  color: var(--gold);
  margin-bottom: 8px;
}
.track__card-more-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--gold);
  margin-top: 12px;
  transition: color var(--duration);
}
.track__card-more-link:hover {
  color: var(--gold-dark);
}

.track__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.track__card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 32px;
  border-radius: 2px;
  transition: border-color var(--duration) var(--ease);
}
.track__card:hover {
  border-color: var(--gold);
}
.track__card-title {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 16px;
  margin-bottom: 8px;
  color: var(--text);
  transition: color var(--duration);
}
.track__card:hover .track__card-title {
  color: var(--gold);
}
.track__card-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
}

@media (max-width: 768px) {
  .track__grid {
    grid-template-columns: 1fr;
  }
}

/* ===========================
   Contact
   =========================== */
.contact {
  padding: clamp(64px, 8vw, 120px) 0;
  background: var(--surface);
  border-top: 1px solid var(--border-light);
}
.contact__inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 var(--gutter);
  text-align: center;
}
.contact__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(26px, 3vw, 36px);
  margin-bottom: var(--space-lg);
}
.contact__desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: var(--space-2xl);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}
.contact__btn {
  display: inline-block;
  padding: 16px 40px;
  background: var(--gold);
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 2px;
  transition: background var(--duration);
}
.contact__btn:hover {
  background: var(--gold-dark);
}
.contact__details {
  margin-top: var(--space-4xl);
  padding-top: var(--space-4xl);
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  text-align: left;
}
.contact__col--right { text-align: right; }
.contact__col-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}
.contact__address {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
}
.contact__social-link {
  font-size: 14px;
  color: var(--text-muted);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: var(--border);
  transition: color var(--duration), text-decoration-color var(--duration);
}
.contact__social-link:hover {
  color: var(--gold);
  text-decoration-color: var(--gold);
}

@media (max-width: 480px) {
  .contact__details {
    grid-template-columns: 1fr;
    text-align: left;
  }
  .contact__col--right { text-align: left; }
}

/* ===========================
   Footer
   =========================== */
.footer {
  padding: 24px 0;
  border-top: 1px solid var(--border);
  background: var(--bg);
}
.footer__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer__legal {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
}
.footer__link {
  color: var(--text-muted);
  transition: color var(--duration);
}
.footer__link:hover { color: var(--gold); }
.footer__divider { color: var(--text-faint); }
.footer__copy {
  font-size: 13px;
  color: var(--text-muted);
}
.footer__attribution {
  font-size: 11px;
  color: var(--text-faint);
  transition: color var(--duration);
}
.footer__attribution:hover { color: var(--gold); }

@media (max-width: 600px) {
  .footer__inner {
    flex-direction: column;
    text-align: center;
    gap: 8px;
  }
}