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

body {
  font-family: Arial, sans-serif;
  background: #111;
  color: #eee;
  line-height: 1.6;
}

html {
  scroll-behavior: smooth;
}

.container {
  width: min(1100px, 92%);
  margin: auto;
}

/* HEADER */

.site-header {
  position: sticky;
  top: 0;
  background: #111;
  border-bottom: 1px solid #333;
  z-index: 1000;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 0;
}

.brand {
  color: #4fc3f7;
  font-weight: bold;
  text-decoration: none;
  font-size: 20px;
}

.nav {
  display: flex;
  gap: 20px;
}

.nav a {
  text-decoration: none;
  color: #eee;
  font-weight: 500;
}

.nav a:hover {
  color: #4fc3f7;
}

/* HERO */

.hero {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 70vh;
}

.hero h1 {
  font-size: 42px;
  margin-bottom: 10px;
}

.hero span {
  color: #4fc3f7;
}

.hero p {
  color: #bbb;
  margin-bottom: 25px;
}

/* BUTTONS */

.btn {
  padding: 12px 20px;
  background: #4fc3f7;
  color: #000;
  text-decoration: none;
  border-radius: 6px;
  font-weight: bold;
  margin-right: 10px;
}

.btn.secondary {
  background: transparent;
  border: 1px solid #4fc3f7;
  color: #4fc3f7;
}

.btn:hover {
  opacity: 0.85;
}

/* SECTIONS */

.section {
  padding: 80px 0;
}

.section h2 {
  margin-bottom: 20px;
  font-size: 30px;
}

/* ABOUT */

.about-text {
  max-width: 600px;
  margin-bottom: 30px;
  color: #ccc;
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.card {
  background: #1a1a1a;
  padding: 20px;
  border-radius: 8px;
  border: 1px solid #333;
}

/* PROJECTS */

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.project-card {
  background: #1a1a1a;
  padding: 20px;
  border-radius: 8px;
  border: 1px solid #333;
  transition: 0.3s;
}

.project-card:hover {
  transform: translateY(-5px);
}

/* SKILLS */

.skills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.skills span {
  background: #4fc3f7;
  color: #000;
  padding: 8px 14px;
  border-radius: 5px;
  font-size: 14px;
}

/* CONTACT */

.contact {
  background: #1a1a1a;
  padding: 15px;
  border-radius: 5px;
  border: 1px solid #333;
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.form-group input,
.form-group textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 0.75rem 1rem;
  width: 100%;
  outline: none;
  transition: border-color 0.2s;
  resize: vertical;
}

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

.form-group input.error,
.form-group textarea.error {
  border-color: var(--accent2);
}

.error-msg {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent2);
  display: none;
}

.error-msg.show {
  display: block;
}

/* FOOTER */

footer {
  text-align: center;
  padding: 25px 0;
  background: #000;
  margin-top: 60px;
}
/* ── RESPONSIVE ──────────────────────────── */
/* Tablet */
@media (max-width: 900px) {
  .hero {
    flex-direction: column;
    text-align: center;
  }

  .hero h1 {
    font-size: 32px;
  }

  .nav {
    gap: 15px;
  }

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

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

/* Mobile */
@media (max-width: 600px) {
  .header-inner {
    flex-direction: column;
    gap: 10px;
  }

  .nav {
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
  }

  .hero {
    padding-top: 40px;
  }

  .hero h1 {
    font-size: 26px;
  }

  .hero p {
    font-size: 14px;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .skills {
    justify-content: center;
  }

  .skills span {
    font-size: 13px;
    padding: 6px 10px;
  }

  .section {
    padding: 50px 15px;
  }

  .container {
    width: 95%;
  }

  footer {
    font-size: 13px;
  }
}