/* ==========================================================================
   TEUTONIC VENTURES – style.css
   
   Aufbau:
   1. Variables
   2. Reset & Base
   3. Utilities
   4. Navigation
   5. Hero
   6. Core Areas
   7. About (Split)
   8. Services
   9. Approach
   10. International Banner
   11. Projects
   12. Contact
   13. Footer
   14. Responsive – Tablet
   15. Responsive – Mobile
   ========================================================================== */


/* ==========================================================================
   1. VARIABLES – Farben & Fonts zentral ändern
   ========================================================================== */
:root {
  --color-black:    #0a0a0a;
  --color-dark:     #111111;
  --color-gray:     #1a1a1a;
  --color-gray-mid: #999999;
  --color-light:    #e8e8e8;
  --color-white:    #ffffff;
  --color-gold:     #c9a84c;
  --color-gold-dim: #a68a3a;

  --font-heading: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'Outfit', Helvetica, Arial, sans-serif;

  --max-width:    1200px;
  --section-pad:  120px;
  --section-pad-tablet: 80px;
  --section-pad-mobile: 56px;
}


/* ==========================================================================
   2. RESET & BASE
   ========================================================================== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  font-weight: 300;
  color: var(--color-light);
  background-color: var(--color-black);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-gold);
  text-decoration: none;
}

a:hover {
  color: var(--color-white);
}


/* ==========================================================================
   2b. MOTION – Ken Burns, Hero-Entrance, Scroll-Reveals
   ========================================================================== */

/* Ken Burns: langsamer Zoom auf das Hero-Bild, hebt & senkt sich kaum merklich */
@keyframes kenburns {
  0%   { transform: scale(1)    translate(0, 0); }
  100% { transform: scale(1.08) translate(-1.2%, -0.8%); }
}

/* Content-Entrance im Hero: gestaffelt nach oben */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

.js-anim .hero__bg {
  animation: kenburns 32s ease-in-out infinite alternate;
  transform-origin: center center;
  will-change: transform;
}

.js-anim .hero__label { animation: fadeUp 1.1s cubic-bezier(0.2, 0.7, 0.2, 1) 0.25s both; }
.js-anim .hero__title { animation: fadeUp 1.1s cubic-bezier(0.2, 0.7, 0.2, 1) 0.45s both; }
.js-anim .hero__sub   { animation: fadeUp 1.1s cubic-bezier(0.2, 0.7, 0.2, 1) 0.65s both; }
.js-anim .hero__cta   { animation: fadeUp 1.1s cubic-bezier(0.2, 0.7, 0.2, 1) 0.85s both; }

/* Scroll-Reveals (Texte, Karten) */
.js-anim .reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.9s ease-out,
    transform 0.9s cubic-bezier(0.2, 0.7, 0.2, 1);
  will-change: opacity, transform;
}
.js-anim .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Grid-Karten staffeln (2./3./4. Karte verzögert) */
.js-anim .core-grid       > .reveal:nth-child(2),
.js-anim .services-grid   > .reveal:nth-child(2),
.js-anim .approach-points > .reveal:nth-child(2),
.js-anim .projects-grid   > .reveal:nth-child(2) { transition-delay: 0.12s; }

.js-anim .core-grid       > .reveal:nth-child(3),
.js-anim .services-grid   > .reveal:nth-child(3),
.js-anim .approach-points > .reveal:nth-child(3),
.js-anim .projects-grid   > .reveal:nth-child(3) { transition-delay: 0.24s; }

.js-anim .core-grid       > .reveal:nth-child(4),
.js-anim .services-grid   > .reveal:nth-child(4),
.js-anim .approach-points > .reveal:nth-child(4),
.js-anim .projects-grid   > .reveal:nth-child(4) { transition-delay: 0.36s; }

/* Gold-Linie: zeichnet sich von links */
.js-anim .reveal-line {
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.9s cubic-bezier(0.7, 0, 0.2, 1) 0.2s;
  will-change: transform;
}
.js-anim .reveal-line.is-visible {
  transform: scaleX(1);
}

/* Bilder: sanftes Einblenden mit leichtem Zoom-Out */
.js-anim .reveal-image {
  opacity: 0;
  transform: scale(1.06);
  transition:
    opacity 1.2s ease-out,
    transform 1.4s cubic-bezier(0.2, 0.7, 0.2, 1);
  will-change: opacity, transform;
}
.js-anim .reveal-image.is-visible {
  opacity: 1;
  transform: scale(1);
}

/* Reduzierte Bewegung respektieren */
@media (prefers-reduced-motion: reduce) {
  .js-anim .hero__bg,
  .js-anim .hero__label,
  .js-anim .hero__title,
  .js-anim .hero__sub,
  .js-anim .hero__cta {
    animation: none;
  }
  .js-anim .reveal,
  .js-anim .reveal-line,
  .js-anim .reveal-image {
    opacity: 1 !important;
    transform: none !important;
    clip-path: none !important;
    transition: none !important;
  }
}


/* ==========================================================================
   3. UTILITIES
   ========================================================================== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
}

.section {
  padding: var(--section-pad) 0;
}

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

.section-label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 500;
  color: var(--color-white);
  line-height: 1.2;
  margin-bottom: 24px;
}

.section-text {
  font-size: 1.05rem;
  color: var(--color-gray-mid);
  max-width: 680px;
  line-height: 1.8;
}

.section-text + .section-text {
  margin-top: 20px;
}

.gold-line {
  width: 48px;
  height: 2px;
  background: var(--color-gold);
  margin-bottom: 32px;
}


/* ==========================================================================
   4. NAVIGATION
   ========================================================================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(201, 168, 76, 0.08);
  transition: background 0.4s ease, border-color 0.4s ease;
}

.nav--scrolled {
  background: rgba(10, 10, 10, 0.96);
  border-bottom-color: rgba(201, 168, 76, 0.15);
}

.nav__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 110px;
  transition: height 0.4s ease;
}

.nav--scrolled .nav__inner {
  height: 78px;
}

.nav__logo {
  display: flex;
  align-items: center;
}

.nav__logo-img {
  height: 130px;
  width: auto;
  transition: height 0.4s ease;
}

.nav--scrolled .nav__logo-img {
  height: 88px;
}

.nav__links {
  display: flex;
  gap: 36px;
  list-style: none;
}

.nav__links a {
  font-size: 0.95rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gray-mid);
  transition: color 0.25s;
}

.nav__links a:hover {
  color: var(--color-white);
}

.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  margin: 5px 0;
  transition: transform 0.3s, opacity 0.3s;
}


/* ==========================================================================
   5. HERO
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background-color: var(--color-dark);
  background-image: url('images/hero.jpg');
  background-size: cover;
  background-position: center;
}

.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(10,10,10,0.95) 0%, rgba(10,10,10,0.6) 50%, transparent 100%),
    linear-gradient(to top, rgba(10,10,10,1) 0%, transparent 40%);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
  padding-top: 110px;
}

.hero__label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 24px;
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5.5vw, 4.5rem);
  font-weight: 500;
  color: var(--color-white);
  line-height: 1.1;
  max-width: 740px;
  margin-bottom: 32px;
}

.hero__sub {
  font-size: 1.1rem;
  font-weight: 300;
  color: var(--color-gray-mid);
  max-width: 540px;
  line-height: 1.8;
  margin-bottom: 48px;
}

.hero__cta {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gold);
  border: 1px solid var(--color-gold);
  padding: 14px 40px;
  transition: background 0.3s, color 0.3s;
}

.hero__cta:hover {
  background: var(--color-gold);
  color: var(--color-black);
}


/* ==========================================================================
   6. CORE AREAS – 3-Spalten Grid
   ========================================================================== */
.core-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.core-card {
  border: 1px solid rgba(201, 168, 76, 0.12);
  padding: 44px 32px;
  transition: border-color 0.3s;
}

.core-card:hover {
  border-color: var(--color-gold);
}

.core-card__icon {
  width: 40px;
  height: 40px;
  margin-bottom: 24px;
  color: var(--color-gold);
}

.core-card__title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 12px;
}

.core-card__text {
  font-size: 0.95rem;
  color: var(--color-gray-mid);
  line-height: 1.7;
}


/* ==========================================================================
   7. ABOUT – Split Layout
   ========================================================================== */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.split--reverse {
  direction: rtl;
}

.split--reverse > * {
  direction: ltr;
}

.split__image {
  width: 100%;
  aspect-ratio: 4 / 5;
  background-color: var(--color-gray);
  background-size: cover;
  background-position: center;
}


/* ==========================================================================
   8. SERVICES
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.service-block {
  padding: 40px 0;
  border-top: 2px solid var(--color-gold);
}

.service-block__title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 16px;
}

.service-block__text {
  font-size: 0.95rem;
  color: var(--color-gray-mid);
  line-height: 1.8;
  margin-bottom: 20px;
}

.service-block__list {
  list-style: none;
  padding: 0;
}

.service-block__list li {
  font-size: 0.9rem;
  color: var(--color-gray-mid);
  padding: 7px 0;
  padding-left: 18px;
  position: relative;
}

.service-block__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 1px;
  background: var(--color-gold);
}


/* ==========================================================================
   9. APPROACH
   ========================================================================== */
.approach-points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 48px;
}

.approach-point__number {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 400;
  color: rgba(201, 168, 76, 0.18);
  line-height: 1;
  margin-bottom: 16px;
}

.approach-point__title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 10px;
}

.approach-point__text {
  font-size: 0.9rem;
  color: var(--color-gray-mid);
  line-height: 1.7;
}


/* ==========================================================================
   10. INTERNATIONAL BANNER – Bild mit Text-Overlay
   ========================================================================== */
.intl-banner {
  position: relative;
  padding: var(--section-pad) 0;
  background-color: var(--color-gray);
  background-image: url('images/international.jpg');
  background-size: cover;
  background-position: center 40%;
  overflow: hidden;
}

.intl-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(10,10,10,0.92) 0%, rgba(10,10,10,0.7) 50%, rgba(10,10,10,0.3) 100%);
}

.intl-banner .container {
  position: relative;
  z-index: 1;
}


/* ==========================================================================
   11. PROJECTS – Bild-Karten
   ========================================================================== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.project-card {
  aspect-ratio: 3 / 4;
  background-color: var(--color-gray);
  background-size: cover;
  background-position: center;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition: transform 0.5s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.project-card:hover {
  transform: translateY(-6px);
}

.project-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,10,10,0.85) 0%, rgba(10,10,10,0.15) 50%, transparent 100%);
  transition: background 0.5s ease;
}

.project-card:hover::before {
  background: linear-gradient(to top, rgba(10,10,10,0.9) 0%, rgba(10,10,10,0.35) 55%, rgba(10,10,10,0.1) 100%);
}

.project-card__label {
  position: relative;
  z-index: 1;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 8px;
}

.project-card__title {
  position: relative;
  z-index: 1;
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--color-white);
}


/* ==========================================================================
   12. CONTACT
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
  margin-top: 48px;
}

.contact-info__item {
  margin-bottom: 36px;
}

.contact-info__label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 8px;
}

.contact-info__value {
  font-size: 1.1rem;
  color: var(--color-light);
}

.contact-info__value a {
  color: var(--color-light);
  border-bottom: 1px solid rgba(201, 168, 76, 0.3);
  padding-bottom: 2px;
  transition: border-color 0.25s;
}

.contact-info__value a:hover {
  border-color: var(--color-gold);
}

.contact-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  background-color: var(--color-gray);
  background-size: cover;
  background-position: center;
}


/* ==========================================================================
   13. FOOTER
   ========================================================================== */
.footer {
  padding: 48px 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}

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

.footer__logo {
  display: flex;
  align-items: center;
}

.footer__logo-img {
  height: 36px;
  width: auto;
  opacity: 0.4;
  transition: opacity 0.3s;
}

.footer__logo:hover .footer__logo-img {
  opacity: 0.7;
}

.footer__copy {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.3);
}

.footer__back {
  font-size: 0.8rem;
  color: var(--color-gray-mid);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 0.25s;
}

.footer__back:hover {
  color: var(--color-gold);
}


/* ==========================================================================
   14. RESPONSIVE – Tablet (max 960px)
   ========================================================================== */
@media (max-width: 960px) {
  .section {
    padding: var(--section-pad-tablet) 0;
  }

  .intl-banner {
    padding: var(--section-pad-tablet) 0;
  }

  /* 3 Spalten → 2 Spalten */
  .core-grid,
  .services-grid,
  .approach-points,
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .split {
    gap: 40px;
  }

  .contact-grid {
    gap: 40px;
  }
}


/* ==========================================================================
   15. RESPONSIVE – Mobile (max 640px)
   ========================================================================== */
@media (max-width: 640px) {
  .container {
    padding: 0 20px;
  }

  .section {
    padding: var(--section-pad-mobile) 0;
  }

  .intl-banner {
    padding: var(--section-pad-mobile) 0;
  }

  .intl-banner::before {
    background: rgba(10,10,10,0.85);
  }

  /* Alles einspaltig */
  .core-grid,
  .services-grid,
  .approach-points,
  .projects-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .split {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .split--reverse {
    direction: ltr;
  }

  .split__image {
    aspect-ratio: 16 / 9;
    order: -1;
  }

  .hero__title {
    font-size: 2rem;
  }

  .hero__sub {
    font-size: 1rem;
  }

  /* Mobile Navigation */
  .nav__links {
    display: none;
    position: absolute;
    top: 110px;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.98);
    flex-direction: column;
    padding: 24px 32px;
    gap: 20px;
    border-bottom: 1px solid rgba(201, 168, 76, 0.1);
  }

  .nav__links.active {
    display: flex;
  }

  .nav__toggle {
    display: block;
  }

  .project-card {
    aspect-ratio: 16 / 9;
  }

  .footer__inner {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }

  .footer__logo-img {
    height: 28px;
  }
}