@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;600;900&display=swap');

:root {
  --bg-image: url('https://i.imgur.com/bf7sFwy.jpeg'); 
  --text-dark: #1d1d1f;
  --text-light: #e0e0e0;
  --accent: #0071e3;
  --accent-light: #e5f1fc;
  --radius: 12px;
  --transition: 0.3s ease;
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}


body {
  margin: 0;
  font-family: var(--font-main);
  background: var(--bg-image) no-repeat center center fixed;
  background-size: cover;
  color: var(--text-light);
  position: relative;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}


body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  pointer-events: none;
  z-index: 0;
}


.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.section {
  margin-top: 3rem;
  margin-bottom: 3rem; 
  padding: 6rem 0;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  background-color: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius);
  backdrop-filter: blur(15px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  color: var(--text-light);
}


h1, h2, h3, h4 {
  font-weight: 900;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--text-light);
}

h1 {
  font-size: 3rem;
}

h2 {
  font-size: 2.25rem;
}

h3 {
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--accent-light);
  margin-bottom: 1.25rem;
}

p {
  font-weight: 300;
  font-size: 1rem;
  margin-bottom: 1.75rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  color: var(--text-light);
}

header {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(15px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  z-index: 1000;
}

nav.nav {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 24px;
  position: relative;
  z-index: 1001;
}

.logo {
  font-weight: 900;
  font-size: 1.5rem;
  color: var(--text-light);
  user-select: none;
}

.nav-links,
.mobile-nav {
  list-style: none;
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links li a,
.mobile-nav li a {
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  color: var(--text-light);
  padding: 6px 0;
  position: relative;
  user-select: none;
  transition: color var(--transition);
}

.nav-links li a:hover,
.nav-links li a:focus,
.mobile-nav li a:hover,
.mobile-nav li a:focus {
  color: var(--accent);
  outline: none;
}

.nav-links li a::after,
.mobile-nav li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent);
  transition: width var(--transition);
  border-radius: 1px;
}

.nav-links li a:hover::after,
.nav-links li a:focus::after,
.mobile-nav li a:hover::after,
.mobile-nav li a:focus::after {
  width: 100%;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  user-select: none;
}

.hamburger span {
  width: 24px;
  height: 3px;
  background-color: var(--text-light);
  border-radius: 2px;
}

.mobile-nav {
  display: none;
  flex-direction: column;
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius);
  padding: 1rem;
  position: absolute;
  top: 70px;
  right: 24px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
  width: 180px;
  z-index: 10000;
}

.mobile-nav.show {
  display: flex;
}

.hero {
  padding-top: 6rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding-left: 24px;
  padding-right: 24px;
  color: var(--text-light);
}

.hero h2 {
  font-size: 3rem;
  font-weight: 900;
  margin-bottom: 0.25rem;
  user-select: none;
}

.hero p {
  max-width: 600px;
  font-weight: 300;
  font-size: 1.125rem;
  color: var(--text-light);
  margin-bottom: 2rem;
}

.cta {
  background-color: var(--accent);
  color: white;
  padding: 1rem 3rem;
  border-radius: 12px;
  font-weight: 700;
  font-size: 1.125rem;
  text-decoration: none;
  user-select: none;
  transition: background-color var(--transition);
  box-shadow: 0 8px 20px rgba(0, 113, 227, 0.4);
  border: none;
}

.cta:hover,
.cta:focus {
  background-color: #005bb5;
  outline: none;
  cursor: pointer;
  box-shadow: 0 10px 25px rgba(0, 113, 227, 0.6);
}

.filters {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.filters button {
  background: transparent;
  border: 2px solid var(--accent);
  color: var(--accent);
  font-weight: 600;
  padding: 0.4rem 1rem;
  border-radius: 20px;
  cursor: pointer;
  font-size: 0.9rem;
  user-select: none;
  transition: background-color var(--transition), color var(--transition);
}

.filters button.active,
.filters button:hover,
.filters button:focus {
  background-color: var(--accent);
  color: white;
  outline: none;
}

.card-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 1rem;
}

.card {
  background-color: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  cursor: default;
  user-select: none;
  text-align: left;
  transition: box-shadow var(--transition);
  color: var(--text-light);
}

.card:hover,
.card:focus {
  box-shadow: 0 14px 40px rgba(0, 113, 227, 0.45);
  outline: none;
}

.card img {
  width: 100%;
  border-radius: var(--radius);
  margin-bottom: 1rem;
  object-fit: cover;
  aspect-ratio: 16 / 9;
}

.card h3 {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--accent-light);
  margin-bottom: 0.25rem;
}

.card small {
  font-weight: 400;
  font-size: 0.85rem;
  color: var(--text-light);
  display: block;
  margin-bottom: 1rem;
}

.card p {
  font-weight: 300;
  font-size: 1rem;
  color: var(--text-light);
  line-height: 1.4;
}

.card .project-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
  justify-content: flex-start;
}

.card .project-buttons a {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.02));
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  padding: 0.5rem 1.25rem;
  border-radius: 18px;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease-in-out;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
  position: relative;
  overflow: hidden;
}

.card .project-buttons a::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, transparent 70%);
  transform: scale(0);
  transition: transform 0.3s ease-out;
  z-index: 0;
}

.card .project-buttons a:hover::before {
  transform: scale(1);
}

.card .project-buttons a:hover {
  border-color: rgba(255, 255, 255, 0.4);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
  transform: translateY(-1px);
}


#modal {
  position: fixed;
  top: 0;
  left: 0;
  height: 100dvh;
  width: 100vw;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  backdrop-filter: blur(6px);
  overflow-x: hidden; /* no horizontal scroll */
  padding: 1rem; /* space on smaller screens */
}

#modal-body {
  max-width: 700px;
  width: 90vw;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(18px) saturate(120%);
  border-radius: 20px;
  padding: 2rem;
  color: #fff;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  position: relative;
  overflow-y: auto;
  overflow-x: hidden; /* no horizontal scroll */
  max-height: 90dvh;
  box-sizing: border-box;
  user-select: text;
}

#modal-body img {
  width: 100%;
  border-radius: 12px;
  margin: 1rem 0;
  object-fit: cover;
  user-select: none;
}

#modal-body h2 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  color: #fff;
  font-weight: 900;
}

#modal-body p {
  line-height: 1.6;
  color: #ddd;
  font-weight: 300;
  font-size: 1rem;
}

/* Close modal button */
#closeModal {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 10; /* above modal content */
  background: transparent;
  border: none;
  font-size: 2rem;
  color: #fff;
  cursor: pointer;
  user-select: none;
  transition: color 0.3s ease;
}

#closeModal:hover,
#closeModal:focus {
  color: var(--accent);
  outline: none;
}


form#contact-form {
  max-width: 460px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  text-align: left;
  color: var(--text-light);
}

form input,
form textarea {
  background-color: rgba(255, 255, 255, 0.15);
  border: none;
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 300;
  color: var(--text-light);
  resize: vertical;
  transition: box-shadow 0.3s ease;
  user-select: text;
  box-shadow: inset 0 0 5px rgba(255, 255, 255, 0.25);
}

form input:focus,
form textarea:focus {
  outline: none;
  box-shadow: 0 0 10px var(--accent);
  background-color: rgba(255, 255, 255, 0.25);
}

form button {
  background-color: var(--accent);
  color: white;
  border: none;
  padding: 1rem;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 1.125rem;
  cursor: pointer;
  user-select: none;
  transition: background-color var(--transition);
  box-shadow: 0 8px 20px rgba(0, 113, 227, 0.4);
}

form button:hover,
form button:focus {
  background-color: #005bb5;
  outline: none;
  box-shadow: 0 10px 25px rgba(0, 113, 227, 0.6);
}

#preloader {
  position: fixed;
  width: 100%;
  height: 100vh;
  background: var(--bg-image);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.4rem;
  font-weight: 900;
  user-select: none;
  z-index: 100000;
  transition: opacity 0.5s ease;
}

.buttons {
  margin-top: 1rem;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.card-btn {
  padding: 0.6em 1.2em;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 12px;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
  font-weight: 500;
}

.card-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
  transform: translateY(-2px);
}
.card-btn:focus {
  outline: none;
  box-shadow: 0 0 0 2px rgba(0, 113, 227, 0.5);
}

@keyframes fadeUp {
  0% {
    opacity: 0;
    transform: translateY(15px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 768px) {
  nav ul.nav-links {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .mobile-nav {
    display: none;
  }

  .mobile-nav.show {
    display: flex;
  }

  .card-container {
    grid-template-columns: 1fr;
  }

  .hero h2 {
    font-size: 2rem;
  }

  .section h2 {
    font-size: 1.6rem;
  }

  .container {
    max-width: 95%;
  }
}