/* ===== CSS Variables ===== */
:root {
  --primary-color: #22304a;
  --secondary-color: #1abc9c;
  --accent-color: #e74c3c;
  --bg-light: #f4f7fa;
  --bg-dark: #22304a;
  --text-dark: #23272f;
  --text-light: #f8f9fa;
  --text-muted: #6c757d;
  --shadow-sm: 0 .125rem .25rem rgba(44,62,80,.08);
  --shadow: 0 .5rem 1rem rgba(44,62,80,.10);
  --shadow-lg: 0 1rem 3rem rgba(44,62,80,.12);
  --transition: all 0.3s cubic-bezier(.4,0,.2,1);
}

body {
  font-family: 'Open Sans', sans-serif;
  color: var(--text-dark);
  background: var(--bg-light);
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

.navbar {
  background: #fff;
  box-shadow: var(--shadow-sm);
  padding: 18px 0;
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  z-index: 1000;
  transition: var(--transition);
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-family: 'Montserrat', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
  letter-spacing: 1px;
}
.logo span {
  color: var(--secondary-color);
}
.nav-menu {
  display: flex;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-menu li a {
  color: var(--primary-color);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  padding: 6px 0;
  position: relative;
}
.nav-menu li a.hire-btn {
  color: #fff;
  background: var(--secondary-color);
  border-radius: 20px;
  padding: 8px 18px;
  margin-left: 10px;
  font-weight: 700;
  transition: var(--transition);
}
.nav-menu li a.hire-btn:hover {
  background: var(--primary-color);
}
.nav-menu li a::after {
  content: '';
  display: block;
  width: 0;
  height: 2px;
  background: var(--secondary-color);
  transition: var(--transition);
  position: absolute;
  left: 0;
  bottom: -2px;
}
.nav-menu li a:hover::after {
  width: 100%;
}
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--primary-color);
}

.hero {
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
  color: var(--text-light);
  padding: 120px 0 80px 0;
  display: flex;
  align-items: center;
  min-height: 60vh;
}
.hero-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}
.hero-text {
  max-width: 600px;
}
.hero-text h1 {
  font-family: 'Montserrat', sans-serif;
  font-size: 2.5rem;
  margin-bottom: 18px;
  font-weight: 700;
}
.hero-text h1 span {
  color: var(--secondary-color);
}
.hero-text p {
  font-size: 1.2rem;
  margin-bottom: 28px;
  color: #e0f7f4;
}
.hero-image {
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.08);
  border-radius: 50%;
  width: 140px;
  height: 140px;
  box-shadow: var(--shadow);
}
.hero-image i {
  font-size: 4rem;
  color: var(--secondary-color);
}

.btn, .btn-primary {
  display: inline-block;
  padding: 14px 36px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 1px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: none;
  background: var(--secondary-color);
  color: #fff;
  text-decoration: none;
  cursor: pointer;
}
.btn-primary:hover {
  background: var(--primary-color);
  color: #fff;
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px) scale(1.04);
}

.section {
  padding: 80px 0 60px 0;
  background: #fff;
}
.section h2 {
  font-family: 'Montserrat', sans-serif;
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 18px;
  text-align: center;
}
.section p {
  color: var(--text-muted);
  font-size: 1.1rem;
  text-align: center;
}

.experience-list {
  list-style: none;
  padding: 0;
  margin: 40px 0 0 0;
}
.experience-list li {
  background: var(--bg-light);
  border-radius: 10px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
  padding: 24px 28px;
}
.experience-list h3 {
  margin: 0 0 6px 0;
  color: var(--secondary-color);
  font-size: 1.2rem;
}
.experience-list span {
  color: var(--text-muted);
  font-size: 0.95rem;
}
.experience-list p {
  color: var(--text-dark);
  font-size: 1rem;
  text-align: left;
  margin: 10px 0 0 0;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 32px;
  margin-top: 40px;
}
.portfolio-item {
  background: #fff;
  border-radius: 14px;
  box-shadow: var(--shadow-sm);
  padding: 32px 20px 20px 20px;
  text-align: center;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
}
.portfolio-item:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px) scale(1.02);
}
.portfolio-icon {
  font-size: 2.5rem;
  color: var(--secondary-color);
  margin-bottom: 12px;
}
.portfolio-item h3 {
  font-size: 1.1rem;
  color: var(--primary-color);
  margin-bottom: 8px;
}
.portfolio-item p {
  color: var(--text-muted);
  font-size: 1rem;
}
.portfolio-img.small {
  max-width: 100px;
  height: auto;
  display: block;
  margin: 0 auto 12px auto;
}

form#contact-form {
  max-width: 420px;
  margin: 32px auto 0 auto;
  display: flex;
  flex-direction: column;
  gap: 18px;
  background: var(--bg-light);
  padding: 32px 24px;
  border-radius: 10px;
  box-shadow: var(--shadow-sm);
}
form#contact-form input,
form#contact-form textarea {
  font-family: inherit;
  font-size: 1rem;
  padding: 12px 14px;
  border: 1px solid #e0e0e0;
  border-radius: 6px;
  outline: none;
  transition: border-color 0.2s;
}
form#contact-form input:focus,
form#contact-form textarea:focus {
  border-color: var(--secondary-color);
}
form#contact-form button {
  margin-top: 8px;
}

.hire {
  background: var(--secondary-color);
  color: #fff;
  text-align: center;
  padding: 60px 0 50px 0;
}
.hire h2 {
  color: #fff;
}
.hire p {
  color: #e0f7f4;
  font-size: 1.15rem;
  margin-bottom: 24px;
}
.hire .btn {
  background: #fff;
  color: var(--secondary-color);
  font-weight: 700;
  border: none;
  box-shadow: var(--shadow);
}
.hire .btn:hover {
  background: var(--primary-color);
  color: #fff;
}

.footer {
  background: var(--bg-dark);
  color: var(--text-light);
  padding: 32px 0 18px 0;
  text-align: center;
  font-size: 1rem;
  opacity: 0.9;
}

/* Responsive Styles */
@media (max-width: 900px) {
  .container {
    max-width: 98vw;
    padding: 0 8px;
  }
  .hero-container {
    flex-direction: column;
    gap: 24px;
    text-align: center;
  }
  .hero-image {
    margin: 0 auto;
  }
}
@media (max-width: 700px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 60px;
    left: 0;
    width: 100vw;
    background: #fff;
    flex-direction: column;
    gap: 0;
    box-shadow: var(--shadow);
    z-index: 1001;
  }
  .nav-menu.active {
    display: flex;
  }
  .nav-toggle {
    display: block;
  }
}
@media (max-width: 500px) {
  .section {
    padding: 40px 0 30px 0;
  }
  .hero {
    padding: 80px 0 40px 0;
  }
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  .experience-list li {
    padding: 16px 10px;
  }
  form#contact-form {
    padding: 18px 8px;
  }
}