/* ---------- Header ---------- */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  backdrop-filter: blur(var(--glass-blur));
  z-index: 1200;
  border-bottom: none;
  /* no border now */
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* NAV */
nav ul {
  list-style: none;
  display: flex;
  gap: 10px;
  align-items: center;
}

.nav-link {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 8px;
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  transition: all .25s ease;
  cursor: pointer;
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  transform: translateY(-2px);
}


:root {
  --bg: #f7f9fb;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --accent: #0077ff;
  --accent-2: #ff9800;
  --header-bg: rgba(255);
  --glass-blur: 8px;
}

/* dark mode variables */
body.dark {
  --bg: #0b1220;
  --card: #0f1724;
  --text: #e6eef8;
  --muted: #9aa7bd;
  --accent: #ffa500;
  --accent-2: #ffb86b;
  --header-bg: rgba(10, 12, 20, 0.6);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0
}

html {
  scroll-behavior: smooth
}

body {
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
  transition: background .25s ease, color .25s ease;
  padding-top: 72px;
  /* header space */
}

/* ---------- Header ---------- */
header {
  position: fixed;
  inset: 0 auto auto 0;
  left: 0;
  right: 0;
  top: 0;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: var(--header-bg);
  backdrop-filter: blur(var(-glass-blur));
  z-index: 1200;
  border-bottom: 1px solid rgba(164, 23, 23, 0.04);
}

nav ul {
  list-style: none;
  display: flex;
  gap: 10px;
  align-items: center;
}

.nav-link {
  display: inline-block;
  padding: 8px 12px;
  border-radius: 8px;
  color: var(--text);
  font-weight: 600;
  transition: all .18s ease;
  cursor: pointer;
}

.nav-link:hover {
  transform: translateY(-2px);
  background: var(--accent);
  color: #fff;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
}

/* Right controls */
.controls {
  display: flex;
  gap: 12px;
  align-items: center;
}

.btn-cv {
  background: var(--accent);
  color: #fff;
  padding: 8px 14px;
  border-radius: 8px;
  font-weight: 700;
  text-decoration: none;
  transition: transform .15s ease, background .15s ease;
}

.btn-cv:hover {
  transform: translateY(-3px);
  background: var(--accent-2)
}

.dark-toggle {
  width: 44px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  cursor: pointer;
  background: transparent;
  color: var(--text);
  font-size: 18px;
  border: 1px solid rgba(0, 0, 0, 0.06);
}

.dark-toggle:hover {
  transform: translateY(-2px)
}

/* ---------- Hero ---------- */
.hero {
  max-width: 1100px;
  margin: 30px auto 10px;
  padding: 36px 20px;
  text-align: center;
}

.hero .photo {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--accent);
  display: inline-block;
  box-shadow: 0 10px 30px rgba(2, 6, 23, 0.08);
}

.hero h1 {
  font-size: 2.1rem;
  margin-top: 18px;
  letter-spacing: 0.2px;
}

.hero .subtitle {
  color: var(--muted);
  margin-top: 6px;
  font-weight: 600;
}

.hero .icons {
  margin: 14px 0;
  display: flex;
  gap: 12px;
  justify-content: center;
  color: var(--accent);
  font-size: 20px;
}

.hero p {
  max-width: 860px;
  margin: 18px auto;
  color: var(--muted);
  padding: 0 12px;
  line-height: 1.7;
}

.hero .hero-actions {
  margin-top: 14px;
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.small-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  background: var(--accent);
  color: #fff;
}

.small-btn.secondary {
  background: transparent;
  border: 1px solid rgba(0, 0, 0, 0.06);
  color: var(--text);
}

.small-btn:hover {
  transform: translateY(-3px)
}

/* ---------- Skills ---------- */
section {
  padding: 48px 16px;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
}

#skills h2 {
  text-align: center;
  margin-bottom: 18px;
  font-size: 1.4rem
}

.skill-list {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 8px;
}

.skill {
  background: var(--card);
  padding: 10px 14px;
  border-radius: 999px;
  box-shadow: 0 6px 18px rgba(2, 6, 23, 0.04);
  display: flex;
  gap: 8px;
  align-items: center;
  color: var(--text);
  font-weight: 600;
}

.skill i {
  color: var(--accent);
  font-size: 16px;
}

/* ---------- Projects ---------- */
#projects h2 {
  text-align: center;
  margin-bottom: 26px;
  font-size: 1.5rem
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
  align-items: start;
}

.card {
  background: var(--card);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 12px 30px rgba(2, 6, 23, 0.06);
  position: relative;
  transition: transform .22s ease, box-shadow .22s ease;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-8px);
}

.card .thumb {
  width: 100%;
  height: 170px;
  object-fit: cover;
  display: block;
}

.card .card-body {
  padding: 16px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.card h3 {
  margin: 0;
  font-size: 1.15rem;
}

.card p {
  color: var(--muted);
  font-size: 0.95rem;
  flex: 1
}

.card .tech {
  color: var(--muted);
  font-size: 0.86rem;
  margin-top: 8px
}

.card .links {
  display: flex;
  gap: 10px;
  margin-top: 10px;
  align-items: center;
}

/* overlay with github link on hover */
.overlay {
  position: absolute;
  inset: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.0), rgba(0, 0, 0, 0.66));
  opacity: 0;
  transition: opacity .22s ease;
  color: #fff;
  text-decoration: none;
}

.card:hover .overlay {
  opacity: 1
}

.overlay a {
  background: rgba(255, 255, 255, 0.712);
  padding: 10px 14px;
  border-radius: 8px;
  color: #041568;
  font-weight: 700;
  display: inline-flex;
  gap: 10px;
  align-items: center;
  text-decoration: none;
}

/* ---------- Contact ---------- */
#contact h2 {
  text-align: center;
  margin-bottom: 18px
}

.contact-wrap {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 20px;
  align-items: start;
}

@media(max-width:880px) {
  .contact-wrap {
    grid-template-columns: 1fr;
  }

  .hero .photo {
    width: 140px;
    height: 140px
  }
}

form {
  background: var(--card);
  padding: 18px;
  border-radius: 12px;
  box-shadow: 0 12px 30px rgba(2, 6, 23, 0.05);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

input,
textarea {
  width: 100%;
  padding: 12px;
  border-radius: 8px;
  border: 1px solid rgba(0, 0, 0, 0.06);
  background: transparent;
  color: var(--text);
}

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

.submit-row {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: flex-end;
}

.submit-row button {
  padding: 10px 14px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
}


.submit-row .mail {
  padding: 6px 14px;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  transition: background .22s ease;
}


.submit-row .mail:hover {
  background: var(--accent-2);
}

body:not(.dark) .submit-row .mail {
  background: var(--accent-2);
  color: #fff;
}


body.dark .submit-row .mail {
  background: #003cff;
  color: #fff;
}

.submit-row .mail:hover {
  filter: brightness(1.1);
}


.modal-overlay {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  align-items: center;
  justify-content: center;
}

.modal-content {
  background-color: #fefefe;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  position: relative;
  max-width: 500px;
  width: 90%;
  text-align: center;
  animation: fadeInScale 0.3s ease-out;
}

.close-button {
  color: white;
  background-color: #dc3545;
  position: absolute;
  top: 10px;
  right: 10px;
  font-size: 24px;
  line-height: 24px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.2s ease;
}

.close-button:hover,
.close-button:focus {
  background-color: #c82333;
  transform: scale(1.05);
}

/* Okay Button */
.ok-button {
  background-color: #28a745;
  color: white;
  padding: 12px 25px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1em;
  margin-top: 20px;
  transition: background-color 0.3s ease;
}

.ok-button:hover {
  background-color: #218838;
}

footer {
  text-align: center;
  padding: 28px 12px;
  color: var(--muted);
  font-size: 0.92rem;
  margin-top: 28px;
 
}

body:not(.dark) footer {
  background-color: #025a60;
  color: #fff;
  font-weight: bold;
}


body.dark footer {
  background: #035843;
  color: #fff;
  font-weight: bold
}

.nav-toggle {
  display: none;
  /* Hide on desktop */
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 24px;
  cursor: pointer;
  padding: 8px;
}

@media (max-width: 768px) {

  /* The nav toggle button will show */
  .nav-toggle {
    display: block;
    z-index: 1300;
  }


  header {
    justify-content: space-between;
  }

  @media (max-width: 768px) {

    .nav-toggle {
      display: block;
      z-index: 1300;
      margin-right: 16px;
    }

    header {
      justify-content: space-between;
    }

    header nav {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100vh;
      background: var(--bg);
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      transform: translateX(-100%);
      transition: transform 0.3s ease-in-out;
      z-index: 1250;
    }
  
    header nav.is-open {
      transform: translateX(0);
    }

    header nav ul {
      flex-direction: column;
      gap: 20px;
      align-items: center;
    }

    .nav-link {
      font-size: 1.5rem;
      padding: 15px 20px;
      color: var(--text);
    }

    .controls {
      display: flex;
      flex-direction: row;
      gap: 12px;
      align-items: center;
      margin-top: 20px;

    }

    .btn-cv {
      padding: 5px 5px;
      font-size: 1.1rem;
    }

    .dark-toggle {
      padding: 12px;
    }
  }
}