/* ===== VARIABLES ===== */
:root {
  --navy: #1a2332;
  --navy-deep: #0f1620;
  --navy-light: #253347;
  --cream: #f8f5f0;
  --cream-dark: #ede8e0;
  --gold: #b8963e;
  --gold-light: #d4b46a;
  --gold-muted: rgba(184, 150, 62, 0.15);
  --text-dark: #1a2332;
  --text-body: #4a5568;
  --text-light: #8a94a3;
  --white: #ffffff;
  --border: rgba(26, 35, 50, 0.08);

  --font-serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --nav-height: 80px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

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

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== TYPOGRAPHY ===== */
.section-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}

.section-eyebrow--center { text-align: center; }
.section-eyebrow--light { color: var(--gold-light); }

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  color: var(--text-dark);
  line-height: 1.2;
  margin-bottom: 24px;
}

.section-title--center { text-align: center; }
.section-title--light { color: var(--cream); }

/* ===== NAVIGATION ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  transition: background 0.4s ease, box-shadow 0.4s ease;
}

.nav--scrolled {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--border);
}

.nav__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo-text {
  font-family: var(--font-serif);
  font-size: 2.625rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--cream);
  transition: color 0.4s ease;
}

.nav--scrolled .nav__logo-text {
  color: var(--navy);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav__links a {
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: rgba(248, 245, 240, 0.75);
  transition: color 0.3s ease;
  position: relative;
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width 0.3s ease;
}

.nav__links a:hover::after,
.nav__links a.active::after {
  width: 100%;
}

.nav--scrolled .nav__links a {
  color: var(--text-body);
}

.nav__links a:hover,
.nav--scrolled .nav__links a:hover {
  color: var(--gold);
}

.nav__cta {
  padding: 10px 24px;
  border: 1px solid rgba(248, 245, 240, 0.3);
  transition: all 0.3s ease;
}

.nav__cta:hover {
  border-color: var(--gold);
  background: var(--gold);
  color: var(--white) !important;
}

.nav__cta::after { display: none !important; }

.nav--scrolled .nav__cta {
  border-color: var(--navy);
  color: var(--navy) !important;
}

.nav--scrolled .nav__cta:hover {
  border-color: var(--gold);
  background: var(--gold);
  color: var(--white) !important;
}

/* Language switch */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 0;
  margin-left: 12px;
}

.lang-switch__btn {
  background: none;
  border: none;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: rgba(248, 245, 240, 0.35);
  cursor: pointer;
  padding: 6px 8px;
  transition: color 0.3s ease;
}

.lang-switch__btn:hover {
  color: rgba(248, 245, 240, 0.75);
}

.lang-switch__btn--active {
  color: var(--gold);
}

.lang-switch__btn--active:hover {
  color: var(--gold);
}

.nav--scrolled .lang-switch__btn {
  color: var(--text-light);
}

.nav--scrolled .lang-switch__btn:hover {
  color: var(--text-body);
}

.nav--scrolled .lang-switch__btn--active {
  color: var(--gold);
}

.lang-switch__sep {
  width: 1px;
  height: 12px;
  background: rgba(248, 245, 240, 0.2);
}

.nav--scrolled .lang-switch__sep {
  background: var(--border);
}

/* Mobile toggle */
.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: 1.5px;
  background: var(--cream);
  transition: all 0.3s ease;
}

.nav--scrolled .nav__toggle span {
  background: var(--navy);
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--navy-deep);
  background-image: url('zurich.jpg');
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(15, 22, 32, 0.7) 0%, rgba(15, 22, 32, 0.55) 40%, rgba(15, 22, 32, 0.75) 100%);
}

.hero::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  border: 1px solid rgba(184, 150, 62, 0.07);
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 400px;
  height: 400px;
  border: 1px solid rgba(184, 150, 62, 0.05);
  border-radius: 50%;
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 720px;
  padding: 0 24px;
}

.hero__eyebrow {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 32px;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.2s forwards;
}

.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 600;
  color: var(--cream);
  line-height: 1.15;
  margin-bottom: 32px;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.4s forwards;
}

.hero__divider {
  width: 60px;
  height: 1px;
  background: var(--gold);
  margin: 0 auto 32px;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.6s forwards;
}

.hero__subtitle {
  font-size: 1.05rem;
  font-weight: 300;
  color: rgba(248, 245, 240, 0.65);
  line-height: 1.8;
  max-width: 540px;
  margin: 0 auto 48px;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.8s forwards;
}

.hero__btn {
  display: inline-block;
  padding: 16px 40px;
  border: 1px solid rgba(184, 150, 62, 0.4);
  color: var(--gold-light);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  transition: all 0.4s ease;
  opacity: 0;
  animation: fadeUp 0.8s ease 1s forwards;
}

.hero__btn:hover {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--white);
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== ABOUT ===== */
.about {
  padding: 120px 0;
  background: var(--white);
}

.about__grid {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 60px;
  align-items: start;
}

.about__text {
  font-size: 1.1rem;
  line-height: 1.9;
  color: var(--text-body);
  margin-bottom: 48px;
  text-align: justify;
}

.about__stats {
  display: flex;
  gap: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.about__stat {
  display: flex;
  flex-direction: column;
}

.about__stat-number {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--navy);
  line-height: 1;
  margin-bottom: 8px;
}

.about__stat-label {
  font-size: 0.8rem;
  color: var(--text-light);
  letter-spacing: 0.02em;
}

/* ===== SERVICES ===== */
.services {
  padding: 120px 0;
  background: var(--cream);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 64px;
}

.service-card {
  background: var(--white);
  padding: 48px 36px;
  border: 1px solid var(--border);
  transition: all 0.4s ease;
}

.service-card:hover {
  border-color: rgba(184, 150, 62, 0.2);
  box-shadow: 0 20px 60px rgba(26, 35, 50, 0.06);
  transform: translateY(-4px);
}

.service-card__icon {
  width: 48px;
  height: 48px;
  color: var(--gold);
  margin-bottom: 28px;
}

.service-card__title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 8px;
}

.service-card__subtitle {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--gold);
  letter-spacing: 0.01em;
  margin-bottom: 20px;
}

.service-card__divider {
  width: 32px;
  height: 1px;
  background: var(--gold);
  opacity: 0.4;
  margin-bottom: 20px;
}

.service-card__text {
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--text-body);
  margin-bottom: 16px;
  text-align: justify;
}

.service-card__text:last-child {
  margin-bottom: 0;
}

/* ===== APPROACH ===== */
.approach {
  padding: 120px 0;
  background: var(--white);
}

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

.approach__text {
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--text-body);
  text-align: justify;
}

.approach__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.approach__diagram {
  position: relative;
}

.approach__circle {
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.approach__circle--outer {
  width: 320px;
  height: 320px;
  border: 1px solid var(--border);
}

.approach__circle--middle {
  width: 200px;
  height: 200px;
  border: 1px solid rgba(184, 150, 62, 0.15);
}

.approach__circle--inner {
  width: 100px;
  height: 100px;
  background: var(--navy);
  color: var(--cream);
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.approach__label {
  position: absolute;
  font-family: var(--font-serif);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--navy);
  letter-spacing: 0.02em;
}

.approach__label--t { top: -8px; left: 50%; transform: translateX(-50%); }
.approach__label--c { bottom: 24px; left: -16px; }
.approach__label--i { bottom: 24px; right: -8px; }

/* ===== WHY ITCI ===== */
.why {
  padding: 120px 0;
  background: var(--navy);
  background-image: linear-gradient(180deg, rgba(26, 35, 50, 0.88) 0%, rgba(26, 35, 50, 0.82) 50%, rgba(26, 35, 50, 0.9) 100%), url('milan.jpg');
  background-size: cover;
  background-position: center top;
}

.why__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px 32px;
  margin-top: 64px;
}

.why__item {
  padding: 32px;
  border: 1px solid rgba(248, 245, 240, 0.06);
  transition: border-color 0.3s ease;
}

.why__item:hover {
  border-color: rgba(184, 150, 62, 0.2);
}

.why__number {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 600;
  color: var(--gold);
  opacity: 0.4;
  display: block;
  margin-bottom: 16px;
  line-height: 1;
}

.why__item-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--cream);
  margin-bottom: 12px;
}

.why__item-text {
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(248, 245, 240, 0.55);
  text-align: justify;
}

/* ===== CONTACT ===== */
.contact {
  padding: 120px 0;
  background: var(--cream);
  background-image: linear-gradient(180deg, rgba(248, 245, 240, 0.92) 0%, rgba(248, 245, 240, 0.88) 50%, rgba(248, 245, 240, 0.94) 100%), url('warsaw.jpg');
  background-size: cover;
  background-position: center;
}

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

.contact__intro {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-body);
  margin-bottom: 48px;
  text-align: justify;
}

.contact__details {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contact__detail h4 {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 8px;
}

.contact__detail p {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-dark);
}

.contact__detail a {
  transition: color 0.3s ease;
}

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

.contact__form-wrapper {
  background: var(--white);
  padding: 48px;
  border: 1px solid var(--border);
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--border);
  background: var(--cream);
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 300;
  color: var(--text-dark);
  transition: border-color 0.3s ease;
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--gold);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-btn {
  width: 100%;
  padding: 16px;
  background: var(--navy);
  color: var(--cream);
  border: none;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.3s ease;
}

.form-btn:hover {
  background: var(--gold);
  color: var(--white);
}

/* ===== FOOTER ===== */
.footer {
  padding: 60px 0 40px;
  background: var(--navy-deep);
}

.footer__grid {
  display: flex;
  justify-content: space-between;
  align-items: start;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(248, 245, 240, 0.06);
}

.footer__logo {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--cream);
  display: block;
  margin-bottom: 12px;
}

.footer__tagline {
  font-size: 0.8rem;
  color: rgba(248, 245, 240, 0.35);
  line-height: 1.6;
}

.footer__links {
  display: flex;
  gap: 32px;
}

.footer__links a {
  font-size: 0.85rem;
  color: rgba(248, 245, 240, 0.45);
  transition: color 0.3s ease;
}

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

.footer__bottom {
  padding-top: 32px;
  text-align: center;
}

.footer__bottom p {
  font-size: 0.78rem;
  color: rgba(248, 245, 240, 0.25);
}

/* ===== SCROLL ANIMATIONS ===== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .services__grid {
    grid-template-columns: 1fr;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
  }

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

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

  .approach__visual {
    order: -1;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
  }

  .nav__toggle {
    display: flex;
  }

  .lang-switch {
    margin-left: 0;
    margin-right: 8px;
  }

  .nav__links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 32px 24px;
    gap: 0;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all 0.4s ease;
  }

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

  .nav__links a {
    color: var(--text-body) !important;
    padding: 14px 0;
    display: block;
    border-bottom: 1px solid var(--border);
    width: 100%;
  }

  .nav__links a::after { display: none; }

  .nav__cta {
    border: none !important;
    text-align: center;
    margin-top: 8px;
    background: var(--navy) !important;
    color: var(--cream) !important;
    padding: 14px 24px !important;
  }

  .about {
    padding: 80px 0;
  }

  .about__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .about__stats {
    gap: 32px;
  }

  .services {
    padding: 80px 0;
  }

  .services__grid {
    margin-top: 40px;
  }

  .service-card {
    padding: 36px 28px;
  }

  .approach {
    padding: 80px 0;
  }

  .why {
    padding: 80px 0;
  }

  .why__grid {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-top: 40px;
  }

  .contact {
    padding: 80px 0;
  }

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

  .contact__form-wrapper {
    padding: 32px 24px;
  }

  .footer__grid {
    flex-direction: column;
    gap: 32px;
  }

  .footer__links {
    flex-wrap: wrap;
    gap: 16px 24px;
  }
}

@media (max-width: 480px) {
  .about__stats {
    flex-direction: column;
    gap: 24px;
  }

  .hero__title {
    font-size: 2.2rem;
  }

  .approach__circle--outer {
    width: 260px;
    height: 260px;
  }

  .approach__circle--middle {
    width: 160px;
    height: 160px;
  }

  .approach__circle--inner {
    width: 80px;
    height: 80px;
    font-size: 0.9rem;
  }
}
