/* ============================================================
   Roger Whiting Portfolio - Shades of Blue Theme
   ============================================================ */

/* ----- CSS Variables ----- */
:root {
  --primary-dark: #0a2a4a;
  --primary: #1a5276;
  --primary-medium: #2e86c1;
  --primary-light: #5dade2;
  --accent: #85c1e9;
  --bg-light: #d6eaf8;
  --bg-very-light: #eaf2f8;
  --white: #ffffff;
  --text-dark: #1b2631;
  --text-medium: #34495e;
  --text-light: #7f8c8d;
  --shadow: rgba(10, 42, 74, 0.15);
  --transition: all 0.3s ease;
}

/* ----- Reset & Base ----- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: var(--text-dark);
  background: var(--bg-very-light);
  line-height: 1.7;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul { list-style: none; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
}

.section-title {
  font-size: 2.2rem;
  color: var(--primary-dark);
  text-align: center;
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.section-subtitle {
  text-align: center;
  color: var(--text-medium);
  font-size: 1.1rem;
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.section-divider {
  width: 60px;
  height: 3px;
  background: var(--primary-medium);
  margin: 0 auto 3rem;
  border-radius: 2px;
}

/* ----- Navigation ----- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(10, 42, 74, 0.95);
  backdrop-filter: blur(10px);
  padding: 0.8rem 0;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(10, 42, 74, 0.98);
  box-shadow: 0 2px 20px var(--shadow);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar .logo {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 1px;
}

.navbar .logo span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  color: rgba(255,255,255,0.85);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  transition: var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--white);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 5px;
}

.menu-toggle span {
  width: 25px;
  height: 2px;
  background: var(--white);
  transition: var(--transition);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ----- Hero Section ----- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-medium) 100%);
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100' opacity='0.05'%3E%3Ccircle cx='20' cy='30' r='8' fill='white'/%3E%3Ccircle cx='70' cy='20' r='5' fill='white'/%3E%3Ccircle cx='80' cy='70' r='10' fill='white'/%3E%3Ccircle cx='30' cy='80' r='6' fill='white'/%3E%3Ccircle cx='50' cy='50' r='3' fill='white'/%3E%3C/svg%3E");
  background-size: 200px 200px;
}

.hero-content {
  text-align: center;
  color: var(--white);
  z-index: 1;
  padding: 2rem;
}

.hero-content h1 {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  letter-spacing: 2px;
  animation: fadeInUp 1s ease;
}

.hero-content .tagline {
  font-size: 1.4rem;
  color: var(--accent);
  font-weight: 300;
  margin-bottom: 1rem;
  animation: fadeInUp 1s ease 0.2s both;
}

.hero-content .subtitle {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.8);
  margin-bottom: 2.5rem;
  animation: fadeInUp 1s ease 0.4s both;
}

.hero-services {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
  animation: fadeInUp 1s ease 0.6s both;
}

.hero-services span {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  padding: 0.5rem 1.5rem;
  border-radius: 50px;
  font-size: 0.95rem;
  color: rgba(255,255,255,0.9);
  backdrop-filter: blur(5px);
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  background: var(--accent);
  color: var(--primary-dark);
  padding: 1rem 2.5rem;
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: 600;
  transition: var(--transition);
  animation: fadeInUp 1s ease 0.8s both;
}

.hero-cta:hover {
  background: var(--white);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
  color: rgba(255,255,255,0.5);
  cursor: pointer;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-10px); }
  60% { transform: translateX(-50%) translateY(-5px); }
}

/* ----- About Section ----- */
.about {
  background: var(--white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-image {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 60px var(--shadow);
}

.about-image img {
  width: 100%;
  height: 450px;
  object-fit: cover;
  transition: var(--transition);
}

.about-image:hover img {
  transform: scale(1.02);
}

.about-text h3 {
  font-size: 1.6rem;
  color: var(--primary);
  margin-bottom: 1rem;
}

.about-text p {
  color: var(--text-medium);
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
}

.about-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 2rem;
}

.about-detail-item {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.8rem 1rem;
  background: var(--bg-very-light);
  border-radius: 8px;
  font-size: 0.95rem;
  color: var(--text-medium);
}

.about-detail-item .icon {
  font-size: 1.2rem;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-light);
  border-radius: 8px;
  color: var(--primary);
}

/* ----- Services Section ----- */
.services {
  background: var(--bg-very-light);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.service-card {
  background: var(--white);
  border-radius: 12px;
  padding: 2.5rem 2rem;
  text-align: center;
  box-shadow: 0 5px 20px var(--shadow);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 40px var(--shadow);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card .icon {
  font-size: 2.5rem;
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  background: var(--bg-very-light);
  border-radius: 50%;
  color: var(--primary-medium);
  transition: var(--transition);
}

.service-card:hover .icon {
  background: var(--primary);
  color: var(--white);
  transform: rotateY(180deg);
}

.service-card h3 {
  font-size: 1.3rem;
  color: var(--primary);
  margin-bottom: 0.8rem;
}

.service-card p {
  color: var(--text-medium);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ----- Portfolio / Gallery Section ----- */
.portfolio {
  background: var(--white);
}

.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.filter-btn {
  background: none;
  border: 2px solid var(--bg-light);
  padding: 0.6rem 1.5rem;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-medium);
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.portfolio-item {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4/3;
  background: var(--bg-light);
}

.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.portfolio-item:hover img {
  transform: scale(1.08);
}

.portfolio-item .overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to top, rgba(10,42,74,0.9), transparent);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  opacity: 0;
  transition: var(--transition);
}

.portfolio-item:hover .overlay {
  opacity: 1;
}

.portfolio-item .overlay h4 {
  color: var(--white);
  font-size: 1.1rem;
  margin-bottom: 0.3rem;
}

.portfolio-item .overlay span {
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 500;
}

/* ----- Lightbox ----- */
.lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.92);
  z-index: 2000;
  justify-content: center;
  align-items: center;
  padding: 2rem;
}

.lightbox.active {
  display: flex;
}

.lightbox img {
  max-width: 90%;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 20px 80px rgba(0,0,0,0.5);
}

.lightbox .close-btn {
  position: absolute;
  top: 1.5rem;
  right: 2rem;
  background: none;
  border: none;
  color: var(--white);
  font-size: 2.5rem;
  cursor: pointer;
  opacity: 0.7;
  transition: var(--transition);
  font-family: inherit;
}

.lightbox .close-btn:hover {
  opacity: 1;
}

.lightbox .nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.1);
  border: none;
  color: var(--white);
  font-size: 2rem;
  padding: 1rem 1.2rem;
  cursor: pointer;
  border-radius: 8px;
  transition: var(--transition);
  font-family: inherit;
}

.lightbox .nav-btn:hover {
  background: rgba(255,255,255,0.2);
}

.lightbox .nav-btn.prev { left: 1.5rem; }
.lightbox .nav-btn.next { right: 1.5rem; }

/* ----- Contact Section ----- */
.contact {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: var(--white);
}

.contact .section-title {
  color: var(--white);
}

.contact .section-subtitle {
  color: rgba(255,255,255,0.7);
}

.contact .section-divider {
  background: var(--accent);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--accent);
}

.contact-info p {
  color: rgba(255,255,255,0.8);
  margin-bottom: 2rem;
  font-size: 1.05rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.contact-item .icon {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  font-size: 1.3rem;
  color: var(--accent);
  flex-shrink: 0;
}

.contact-item .label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.contact-item .value {
  color: var(--white);
  font-size: 1.05rem;
}

.contact-form {
  background: rgba(255,255,255,0.08);
  border-radius: 12px;
  padding: 2rem;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.1);
}

.form-group {
  margin-bottom: 1.2rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.9rem 1.2rem;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 8px;
  color: var(--white);
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255,255,255,0.5);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(255,255,255,0.15);
}

.form-group textarea {
  height: 120px;
  resize: vertical;
}

.submit-btn {
  width: 100%;
  padding: 1rem;
  background: var(--accent);
  color: var(--primary-dark);
  border: none;
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

.submit-btn:hover {
  background: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

/* ----- Footer ----- */
.footer {
  background: var(--primary-dark);
  padding: 2rem 0;
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.footer p {
  color: rgba(255,255,255,0.4);
  font-size: 0.9rem;
}

.footer a {
  color: var(--accent);
}

.footer a:hover {
  color: var(--white);
}

/* ----- Responsive ----- */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  html { font-size: 15px; }

  .menu-toggle { display: flex; }

  .nav-links {
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    background: rgba(10, 42, 74, 0.98);
    flex-direction: column;
    align-items: center;
    padding: 2rem;
    gap: 1.5rem;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
  }

  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .hero-content h1 { font-size: 2.5rem; }
  .hero-content .tagline { font-size: 1.1rem; }

  .about-grid { grid-template-columns: 1fr; gap: 2rem; }
  .about-image img { height: 300px; }
  .about-details { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
  .section { padding: 3rem 0; }
  .section-title { font-size: 1.8rem; }

  .lightbox .nav-btn { font-size: 1.2rem; padding: 0.6rem 0.8rem; }
  .lightbox .nav-btn.prev { left: 0.5rem; }
  .lightbox .nav-btn.next { right: 0.5rem; }
}

@media (max-width: 480px) {
  .hero-content h1 { font-size: 2rem; }
  .hero-services span { font-size: 0.85rem; padding: 0.4rem 1rem; }
  .hero-cta { padding: 0.8rem 1.8rem; font-size: 1rem; }
}