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

:root {
  --bg-dark: #0b0b0b;
  --card-bg: #111;
  --text-main: #ffffff;
  --text-muted: rgba(255,255,255,0.75);
  --radius: 20px;
  --container: 1200px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, sans-serif;
  background: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* =================================
   CONTAINER
================================= */
.container {
  width: 92%;
  max-width: var(--container);
  margin: 0 auto;
}

/* =================================
   HEADER
================================= */
.header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(11,11,11,0.92);
  backdrop-filter: blur(6px);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  font-size: 18px;
  text-decoration: none;
  color: #fff;
}

.logo img {
  height: 40px;
  width: auto;
}

.nav {
  display: none;
}

.nav a {
  text-decoration: none;
  color: #fff;
  font-size: 14px;
  margin-left: 24px;
  transition: opacity .2s ease;
}

.nav a:hover {
  opacity: 0.7;
}

/* Active nav link */
.nav a.active {
  opacity: 0.6;
}

/* Burger */
.burger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
}

.burger span {
  width: 25px;
  height: 2px;
  background: #fff;
}

/* Mobile menu open */
.nav-open {
  display: flex !important;
  flex-direction: column;
  position: absolute;
  top: 70px;
  right: 0;
  background: rgba(11,11,11,0.98);
  width: 100%;
  padding: 20px;
  gap: 20px;
}

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

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.hero-section::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 700px;
}

.hero-content h1 {
  font-size: 40px;
  margin-bottom: 15px;
}

.subtitle {
  font-size: 18px;
  margin-bottom: 20px;
  opacity: 0.85;
}

.hero-content p {
  font-size: 16px;
  color: var(--text-muted);
}

/* =================================
   SECTIONS
================================= */
.section {
  padding: 80px 0;
}

/* Fade animation */
.fade-init {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .8s ease, transform .8s ease;
}

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

.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  display: flex;
  flex-direction: column;
}

.card img {
  width: 100%;
  height: auto;
  display: block;
}

.card > div {
  padding: 40px 30px;
}

h2 {
  font-size: 28px;
  margin-bottom: 20px;
}

p {
  margin-bottom: 16px;
  color: var(--text-muted);
}

ul {
  list-style: none;
  margin-bottom: 20px;
}

ul li {
  margin-bottom: 10px;
  padding-left: 18px;
  position: relative;
}

ul li::before {
  content: "—";
  position: absolute;
  left: 0;
  opacity: 0.6;
}

/* =================================
   BUTTONS
================================= */
.btn {
  display: inline-block;
  padding: 10px 20px;
  border: 1px solid #fff;
  color: #fff;
  text-decoration: none;
  border-radius: 4px;
  transition: background .2s ease;
}

.btn:hover {
  background: rgba(255,255,255,0.15);
}

/* =================================
   CONTACT FORM
================================= */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 20px;
}

.contact-form input,
.contact-form textarea {
  padding: 12px;
  border-radius: 4px;
  border: 1px solid #333;
  background: #1a1a1a;
  color: #fff;
  font-size: 14px;
}

.contact-form button {
  padding: 12px;
  border: none;
  border-radius: 4px;
  background: #fff;
  color: #000;
  font-weight: 600;
  cursor: pointer;
}

/* =================================
   FOOTER
================================= */
.footer {
  text-align: center;
  padding: 30px 0;
  font-size: 14px;
  opacity: 0.7;
}

/* =================================
   DESKTOP (>= 992px)
================================= */
@media (min-width: 992px) {

  .nav {
    display: block;
  }

  .burger {
    display: none;
  }

  .hero-content h1 {
    font-size: 56px;
  }

  .subtitle {
    font-size: 22px;
  }

  .hero-content p {
    font-size: 18px;
  }

  .card {
    flex-direction: row;
  }

  .two-column.reverse {
    flex-direction: row-reverse;
  }

  .card img {
    width: 50%;
  }

  .card > div {
    width: 50%;
    padding: 60px;
  }

  h2 {
    font-size: 42px;
  }
}