/* ─── Design Tokens ─── */
:root {
  --bg:           #FAF8F5;
  --bg-alt:       #F2EDE7;
  --bg-accent:    #FBF0E8;
  --text-1:       #1A1F2E;
  --text-2:       #4A5568;
  --text-3:       #8896A8;
  --accent:       #C4652A;
  --accent-hover: #A8521F;
  --accent-light: #F0D4C0;
  --border:       #E4D9D0;
  --white:        #FFFFFF;
  --shadow-sm:    0 1px 3px rgba(26,31,46,0.07);
  --shadow-md:    0 4px 20px rgba(26,31,46,0.10);
  --shadow-lg:    0 12px 40px rgba(26,31,46,0.14);
  --radius-sm:    6px;
  --radius-md:    12px;
  --radius-lg:    20px;
  --ease:         cubic-bezier(0.4, 0, 0.2, 1);
  --max-w:        1100px;
}

/* ─── Reset ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; overflow-x: hidden; }
body {
  font-family: 'Nunito Sans', sans-serif;
  font-weight: 400;
  background: var(--bg);
  color: var(--text-1);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ─── Typography ─── */
h1, h2, h3, h4 {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-1);
}
p { color: var(--text-2); }

/* ─── Navbar ─── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 48px;
  height: 68px;
  display: flex;
  align-items: center;
  transition: background 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
#navbar.scrolled {
  background: var(--white);
  box-shadow: var(--shadow-sm);
}
.nav-container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-brand {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--text-1);
  letter-spacing: -0.01em;
  opacity: 0;
  transition: opacity 0.3s var(--ease), color 0.2s var(--ease);
  pointer-events: none;
}
#navbar.scrolled .nav-brand {
  opacity: 1;
  pointer-events: auto;
}
.nav-brand:hover { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--text-2);
  transition: color 0.2s;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width 0.25s var(--ease);
}
.nav-links a:hover { color: var(--accent); }
.nav-links a:hover::after { width: 100%; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text-1);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

/* ─── Hero ─── */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 55% 45%;
  overflow: hidden;
  width: 100%;
}

.hero-left {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 64px 80px 80px;
  background: var(--bg);
}

.hero-right {
  position: relative;
  background: var(--bg-alt);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 56px;
}
.hero-right::before {
  content: '';
  position: absolute;
  bottom: -80px; right: -80px;
  width: 360px; height: 360px;
  border-radius: 50%;
  background: var(--accent-light);
  opacity: 0.45;
}
.hero-right::after {
  content: '';
  position: absolute;
  top: -40px; left: -40px;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: var(--accent-light);
  opacity: 0.3;
}

.hero-img-wrap {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 400px;
}
.hero-img-wrap::before {
  content: '';
  position: absolute;
  inset: 16px -16px -16px 16px;
  border-radius: var(--radius-lg);
  background: var(--accent-light);
  z-index: 0;
}
.hero-img-wrap img {
  position: relative;
  z-index: 1;
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: top center;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.hero-greeting {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  animation: fadeUp 0.6s var(--ease) 0.1s both;
}
.hero-name {
  font-size: clamp(2.4rem, 5.5vw, 4.5rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--text-1);
  overflow-wrap: break-word;
  margin-bottom: 24px;
  animation: fadeUp 0.6s var(--ease) 0.25s both;
}
.hero-tagline {
  font-size: 1.125rem;
  color: var(--text-2);
  line-height: 1.7;
  max-width: 400px;
  margin-bottom: 40px;
  animation: fadeUp 0.6s var(--ease) 0.4s both;
}
.hero-socials {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 48px;
  animation: fadeUp 0.6s var(--ease) 0.55s both;
}
.hero-socials a {
  width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  color: var(--text-2);
  font-size: 0.9rem;
  transition: background 0.2s, border-color 0.2s, color 0.2s, transform 0.2s;
}
.hero-socials a:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--white);
  transform: translateY(-2px);
}
.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  border-bottom: 2px solid var(--accent);
  padding-bottom: 4px;
  width: fit-content;
  animation: fadeUp 0.6s var(--ease) 0.7s both;
  transition: gap 0.2s;
}
.hero-cta:hover { gap: 16px; }

.hero-img-wrap { animation: fadeUp 0.8s var(--ease) 0.3s both; }

/* ─── Section Base ─── */
.section {
  padding: 96px 48px;
}
.section-alt {
  background: var(--bg-alt);
  padding: 96px 48px;
}
.section-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.section-label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  letter-spacing: -0.02em;
  margin-bottom: 48px;
}
.section-title.centered { text-align: center; }

/* ─── Two-Column Layout ─── */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.two-col.reverse { direction: rtl; }
.two-col.reverse > * { direction: ltr; }

.col-image img {
  width: 100%;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}
.col-text p {
  font-size: 1rem;
  color: var(--text-2);
  margin-bottom: 16px;
  line-height: 1.75;
}
.col-text ul {
  margin-top: 8px;
  margin-bottom: 16px;
}
.col-text ul li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 8px;
  color: var(--text-2);
  line-height: 1.65;
}
.col-text ul li::before {
  content: '';
  position: absolute;
  left: 0; top: 10px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.col-text a {
  color: var(--accent);
  font-weight: 600;
  border-bottom: 1px solid var(--accent-light);
  transition: border-color 0.2s;
}
.col-text a:hover { border-color: var(--accent); }
.col-text h4 {
  font-size: 1.1rem;
  margin-top: 24px;
  margin-bottom: 12px;
  color: var(--text-1);
}

/* ─── Projects Grid ─── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.project-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
  background: var(--white);
}
.project-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.card-img-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3/2;
}
.card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s var(--ease);
}
.project-card:hover .card-img-wrap img {
  transform: scale(1.06);
}
.card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26,31,46,0.75) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s var(--ease);
  display: flex;
  align-items: flex-end;
  padding: 20px;
}
.project-card:hover .card-overlay { opacity: 1; }
.card-overlay span {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white);
}
.card-body {
  padding: 20px 20px 24px;
}
.card-body h3 {
  font-size: 1.15rem;
  color: var(--text-1);
}

/* ─── Modal ─── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(26,31,46,0.6);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease);
}
.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}
.modal-box {
  background: var(--white);
  border-radius: var(--radius-lg);
  max-width: 640px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: translateY(16px) scale(0.98);
  transition: transform 0.3s var(--ease);
  box-shadow: var(--shadow-lg);
}
.modal-overlay.open .modal-box {
  transform: none;
}
.modal-header {
  padding: 32px 32px 0;
}
.modal-header h2 {
  font-size: 1.6rem;
}
.modal-body {
  padding: 24px 32px 40px;
}
.modal-body img {
  width: 100%;
  border-radius: var(--radius-md);
  margin-bottom: 24px;
}
.modal-body p {
  color: var(--text-2);
  line-height: 1.75;
  margin-bottom: 12px;
}
.modal-body a {
  color: var(--accent);
  font-weight: 600;
  border-bottom: 1px solid var(--accent-light);
  transition: border-color 0.2s;
}
.modal-body a:hover { border-color: var(--accent); }
.modal-close-btn {
  position: sticky;
  top: 16px;
  float: right;
  margin: 16px 16px 0 0;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--bg-alt);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-2);
  font-size: 1rem;
  transition: background 0.2s, color 0.2s;
}
.modal-close-btn:hover {
  background: var(--accent);
  color: var(--white);
}

/* ─── Contact ─── */
.contact-center {
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
}
.contact-center p {
  font-size: 1.05rem;
  color: var(--text-2);
  margin-bottom: 32px;
  line-height: 1.75;
}
.contact-email {
  display: inline-block;
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 700;
  color: var(--text-1);
  border-bottom: 2px solid var(--accent);
  padding-bottom: 4px;
  margin-bottom: 40px;
  transition: color 0.2s;
}
.contact-email:hover { color: var(--accent); }
.contact-time {
  font-size: 0.875rem;
  color: var(--text-3);
  margin-bottom: 32px;
}
.contact-socials {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.contact-socials a {
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  color: var(--text-2);
  font-size: 0.95rem;
  transition: background 0.2s, border-color 0.2s, color 0.2s, transform 0.2s;
}
.contact-socials a:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--white);
  transform: translateY(-2px);
}

/* ─── Footer ─── */
footer {
  padding: 32px 48px;
  text-align: center;
  border-top: 1px solid var(--border);
}
footer p {
  font-size: 0.8rem;
  color: var(--text-3);
}
footer a {
  color: var(--text-2);
  font-weight: 600;
  transition: color 0.2s;
}
footer a:hover { color: var(--accent); }

/* ─── Divider ─── */
.divider {
  max-width: var(--max-w);
  margin: 0 auto;
  border: none;
  border-top: 1px solid var(--border);
}

/* ─── Scroll Animations ─── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: none; }
}
[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}
[data-animate].visible {
  opacity: 1;
  transform: none;
}
[data-animate][data-d="1"] { transition-delay: 0.1s; }
[data-animate][data-d="2"] { transition-delay: 0.2s; }
[data-animate][data-d="3"] { transition-delay: 0.3s; }
[data-animate][data-d="4"] { transition-delay: 0.4s; }

/* ─── Responsive ─── */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto;
    min-height: auto;
  }
  .hero-left {
    padding: 100px 24px 40px;
    align-items: center;
    text-align: center;
    width: 100%;
    min-width: 0;
  }
  .hero-tagline { max-width: none; }
  .hero-socials { justify-content: center; }
  .hero-cta { margin: 0 auto; }
  .hero-right {
    padding: 40px 32px 56px;
    min-height: 72vw;
  }
  .hero-right::before, .hero-right::after { display: none; }
  .hero-img-wrap {
    max-width: 340px;
    width: 100%;
    margin: 0 auto;
    height: auto;
  }
  .hero-img-wrap::before { display: none; }
  .hero-img-wrap img {
    width: 100%;
    height: auto;
    aspect-ratio: 3/4;
    object-fit: cover;
    object-position: top center;
    border-radius: var(--radius-md);
  }
  .two-col {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .two-col.reverse { direction: ltr; }
  .projects-grid { grid-template-columns: 1fr; gap: 24px; }
  .section, .section-alt { padding: 64px 24px; }
  #navbar { padding: 0 24px; }
  .nav-links {
    display: none;
    position: absolute;
    top: 68px; left: 0; right: 0;
    background: var(--white);
    flex-direction: column;
    gap: 0;
    padding: 8px 0 16px;
    box-shadow: var(--shadow-md);
  }
  .nav-links.open { display: flex; }
  .nav-links a {
    padding: 12px 24px;
    font-size: 0.9rem;
  }
  .nav-links a::after { display: none; }
  .nav-toggle { display: flex; }
}

@media (min-width: 901px) and (max-width: 1100px) {
  .hero-left { padding: 80px 48px 80px 56px; }
  .hero-right { padding: 64px 40px; }
  .projects-grid { grid-template-columns: repeat(3, 1fr); gap: 24px; }
}

@media (max-width: 540px) {
  .hero-name { font-size: 2.6rem; }
  .section-title { font-size: 1.9rem; }
  .modal-header { padding: 24px 20px 0; }
  .modal-body { padding: 20px 20px 32px; }
}