/* ===========================
   CSS Variables
   =========================== */
:root {
  --color-bg: #FAF6F1;
  --color-bg-alt: #F0E8DD;
  --color-text: #2C2420;
  --color-text-light: #6B5B4E;
  --color-accent: #8B5E3C;
  --color-accent-dark: #6B4226;
  --color-white: #FFFFFF;
  --color-black: #1A1410;

  --font-heading: 'DM Serif Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --section-padding: 6rem 0;
  --container-width: 1200px;
  --gap: 2rem;
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
  color: var(--color-accent-dark);
}

address {
  font-style: normal;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: var(--section-padding);
}

.section--alt {
  background-color: var(--color-bg-alt);
}

/* ===========================
   Section Titles
   =========================== */
.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.section-subtitle {
  color: var(--color-text-light);
  font-size: 1.1rem;
  margin-bottom: 3rem;
}

/* Center titles in portfolio section */
#portfolio .section-title,
#portfolio .section-subtitle {
  text-align: center;
}

#portfolio .section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--color-accent);
  margin: 0.75rem auto 0;
  border-radius: 2px;
}

/* ===========================
   Buttons
   =========================== */
.btn {
  display: inline-block;
  padding: 0.85rem 2rem;
  border-radius: 4px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

.btn-primary:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: var(--color-white);
}

.btn-secondary {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

.btn-secondary:hover {
  background: var(--color-white);
  color: var(--color-text);
}

/* ===========================
   Header / Navigation
   =========================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: background-color var(--transition), box-shadow var(--transition);
}

.header.scrolled {
  background-color: var(--color-bg);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--color-white);
  text-decoration: none;
  transition: color var(--transition);
}

.header.scrolled .nav-logo {
  color: var(--color-text);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2.5rem;
}

.nav-link {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-white);
  border-bottom-color: var(--color-white);
}

.header.scrolled .nav-link {
  color: var(--color-text-light);
}

.header.scrolled .nav-link:hover,
.header.scrolled .nav-link.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* Hamburger */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
}

.hamburger {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  position: relative;
  transition: background var(--transition);
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  left: 0;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  transition: transform var(--transition);
}

.hamburger::before {
  top: -7px;
}

.hamburger::after {
  top: 7px;
}

.header.scrolled .hamburger,
.header.scrolled .hamburger::before,
.header.scrolled .hamburger::after {
  background: var(--color-text);
}

/* Hamburger active state */
.nav-toggle.active .hamburger {
  background: transparent;
}

.nav-toggle.active .hamburger::before {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active .hamburger::after {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===========================
   Hero Section
   =========================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-image: url('../images/hero.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(26, 20, 16, 0.75) 0%,
    rgba(44, 36, 32, 0.55) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--color-white);
  max-width: 700px;
  padding: 0 1.5rem;
}

.hero-subtitle {
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.85;
  margin-bottom: 1rem;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.hero-description {
  font-size: 1.1rem;
  line-height: 1.8;
  opacity: 0.9;
  margin-bottom: 2rem;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===========================
   Portfolio Section
   =========================== */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--gap);
}

.portfolio-item {
  background: var(--color-white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
  transition: transform var(--transition), box-shadow var(--transition);
}

.portfolio-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.portfolio-item--wide {
  grid-column: 1 / -1;
}

.portfolio-image {
  overflow: hidden;
}

.portfolio-image img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.portfolio-item:hover .portfolio-image img {
  transform: scale(1.05);
}

.portfolio-image--duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
}

.portfolio-image--duo figure {
  position: relative;
}

.portfolio-image--duo img {
  height: 300px;
}

.portfolio-image--duo figcaption {
  position: absolute;
  bottom: 0.75rem;
  left: 0.75rem;
  background: rgba(26, 20, 16, 0.7);
  color: var(--color-white);
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 500;
}

.portfolio-image--trio {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 4px;
}

.portfolio-image--trio img {
  height: 300px;
}

.portfolio-info {
  padding: 1.5rem;
}

.portfolio-info h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.portfolio-info p {
  color: var(--color-text-light);
  font-size: 0.95rem;
}

/* ===========================
   About Section
   =========================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text p {
  margin-bottom: 1rem;
  color: var(--color-text-light);
}

.about-text p:first-of-type {
  color: var(--color-text);
}

.about-text .section-title {
  margin-bottom: 1.5rem;
}

.about-text .section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--color-accent);
  margin-top: 0.75rem;
  border-radius: 2px;
}

.about-image img {
  border-radius: 8px;
  object-fit: cover;
  width: 100%;
  height: 450px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.1);
}

/* ===========================
   Contact Section
   =========================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info .section-title {
  margin-bottom: 1rem;
}

.contact-info .section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--color-accent);
  margin-top: 0.75rem;
  border-radius: 2px;
}

.contact-info > p {
  color: var(--color-text-light);
  margin-bottom: 2rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.contact-icon {
  flex-shrink: 0;
  color: var(--color-accent);
  margin-top: 2px;
}

.contact-item a {
  color: var(--color-text);
  font-weight: 500;
}

.contact-item a:hover {
  color: var(--color-accent);
}

.contact-business {
  padding-top: 1.5rem;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.contact-business p {
  color: var(--color-text-light);
  font-size: 0.9rem;
}

/* Contact Form */
.contact-form form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

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

.form-group label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
}

.form-group input,
.form-group textarea {
  border: 1px solid #d4c5b5;
  border-radius: 4px;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-white);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(139, 94, 60, 0.15);
}

.form-group textarea {
  resize: vertical;
}

.contact-form .btn {
  align-self: flex-start;
}

/* ===========================
   Footer
   =========================== */
.footer {
  background-color: var(--color-black);
  color: rgba(255, 255, 255, 0.6);
  padding: 2rem 0;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-content p {
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  transition: color var(--transition);
}

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

.footer-links svg {
  display: block;
}

/* ===========================
   Scroll Animations
   =========================== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===========================
   Body no-scroll (mobile menu open)
   =========================== */
body.no-scroll {
  overflow: hidden;
}

/* ===========================
   Lightbox
   =========================== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 90vw;
  max-height: 90vh;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 80vh;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.4);
}

.lightbox-caption {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
  margin-top: 1rem;
  text-align: center;
  max-width: 600px;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.7);
  cursor: pointer;
  transition: color 0.2s ease, transform 0.2s ease;
  z-index: 2001;
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
  color: var(--color-white);
  transform: scale(1.1);
}

.lightbox-close {
  top: 1.5rem;
  right: 1.5rem;
  font-size: 2.5rem;
  line-height: 1;
  padding: 0.5rem;
}

.lightbox-prev,
.lightbox-next {
  top: 50%;
  transform: translateY(-50%);
  font-size: 3rem;
  line-height: 1;
  padding: 1rem;
}

.lightbox-prev:hover,
.lightbox-next:hover {
  transform: translateY(-50%) scale(1.1);
}

.lightbox-prev {
  left: 1rem;
}

.lightbox-next {
  right: 1rem;
}

@media (max-width: 768px) {
  .lightbox-prev,
  .lightbox-next {
    font-size: 2rem;
    padding: 0.5rem;
  }

  .lightbox-close {
    font-size: 2rem;
    top: 1rem;
    right: 1rem;
  }
}

/* ===========================
   Responsive: Tablet (max 992px)
   =========================== */
@media (max-width: 992px) {
  :root {
    --section-padding: 4rem 0;
  }

  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .about-image img {
    height: 350px;
  }
}

/* ===========================
   Responsive: Mobile (max 768px)
   =========================== */
@media (max-width: 768px) {
  /* Mobile nav */
  .nav-toggle {
    display: block;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100vh;
    background: var(--color-black);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    transform: translateX(100%);
    transition: transform var(--transition);
    z-index: 1000;
  }

  .nav-menu.active {
    transform: translateX(0);
  }

  .nav-menu .nav-link {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.1rem;
  }

  .nav-menu .nav-link:hover,
  .nav-menu .nav-link.active {
    color: var(--color-white);
    border-bottom-color: var(--color-accent);
  }

  /* Always show hamburger color based on scrolled */
  .nav-toggle.active .hamburger::before,
  .nav-toggle.active .hamburger::after {
    background: var(--color-white);
  }

  /* Hero */
  .hero {
    background-attachment: scroll;
  }

  .hero h1 {
    font-size: 1.75rem;
  }

  .hero-description {
    font-size: 1rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  /* Portfolio */
  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  .portfolio-image img,
  .portfolio-image--duo img,
  .portfolio-image--trio img {
    height: 220px;
  }

  .portfolio-image--trio {
    grid-template-columns: 1fr;
  }

  /* About */
  .about-image {
    order: -1;
  }

  .about-image img {
    height: 250px;
  }

  /* Footer */
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
}