*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 300;
  color: #2b3440;
  background: #f4f6f8;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 25%;
  min-width: 280px;
  height: 100vh;
  background: linear-gradient(160deg, rgb(36.9545454545, 51.7363636364, 71.4454545455) 0%, #1e2a3a 60%);
  color: #dfe6ee;
  border-right: 1px solid rgb(43.9090909091, 61.4727272727, 84.8909090909);
  display: flex;
  z-index: 100;
}
.sidebar__inner {
  display: flex;
  flex-direction: column;
  width: 100%;
  padding: 2.5rem 2.5rem;
  overflow-y: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.sidebar__inner::-webkit-scrollbar {
  display: none;
}
.sidebar__brand {
  margin-bottom: 2rem;
}
.sidebar__name {
  font-family: "Cormorant Garamond", Georgia, serif;
  font-weight: 500;
  font-size: 2.3rem;
  line-height: 1.1;
  margin: 0;
  letter-spacing: 0.02em;
}
.sidebar__role {
  margin: 0.6rem 0 0;
  font-size: 0.78rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: #6fa3d0;
}
.sidebar__nav {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.8rem;
}
.sidebar__nav a {
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  padding: 0.2rem 0;
  width: fit-content;
  position: relative;
  transition: color 0.25s ease;
}
.sidebar__nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: #6fa3d0;
  transition: width 0.3s ease;
}
.sidebar__nav a:hover {
  color: #6fa3d0;
}
.sidebar__nav a:hover::after {
  width: 100%;
}
.sidebar__contact {
  margin-bottom: auto;
}
.sidebar__label {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #8a97a6;
  margin: 1.6rem 0 0.7rem;
}
.sidebar ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.sidebar ul li {
  font-size: 0.88rem;
  margin-bottom: 0.35rem;
  color: rgb(232.9918367347, 237.806122449, 243.3081632653);
}
.sidebar ul li a {
  transition: color 0.25s ease;
}
.sidebar ul li a:hover {
  color: #6fa3d0;
}
.sidebar__footer {
  margin-top: 2.5rem;
  font-size: 0.72rem;
  color: #8a97a6;
}
.sidebar__footer p {
  margin: 0.2rem 0;
}

.topbar {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: #1e2a3a;
  color: #dfe6ee;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.2rem;
  z-index: 200;
}
.topbar__name {
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 1.3rem;
  font-weight: 500;
}
.topbar__toggle {
  background: none;
  border: none;
  color: #dfe6ee;
  width: 40px;
  height: 40px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}
.topbar__toggle span {
  display: block;
  position: relative;
  width: 24px;
  height: 2px;
  background: #dfe6ee;
  transition: background 0.2s;
}
.topbar__toggle span::before, .topbar__toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 24px;
  height: 2px;
  background: #dfe6ee;
  transition: transform 0.25s ease;
}
.topbar__toggle span::before {
  top: -7px;
}
.topbar__toggle span::after {
  top: 7px;
}

body.menu-open .topbar__toggle span {
  background: transparent;
}
body.menu-open .topbar__toggle span::before {
  transform: translateY(7px) rotate(45deg);
}
body.menu-open .topbar__toggle span::after {
  transform: translateY(-7px) rotate(-45deg);
}

.content {
  margin-left: 25%;
  min-height: 100vh;
}

@media (min-width: 1024px) {
  .content {
    margin-left: max(25%, 280px);
  }
}
.section {
  padding: 5rem 4rem;
  border-bottom: 1px solid #dfe6ee;
}
.section:last-child {
  border-bottom: none;
}
.section__header {
  margin-bottom: 2.5rem;
  max-width: 60ch;
}
.section__title {
  font-family: "Cormorant Garamond", Georgia, serif;
  font-weight: 500;
  font-size: 2.6rem;
  margin: 0 0 1.2rem;
  color: #2b3440;
}
.section__title::after {
  content: "";
  display: block;
  width: 48px;
  height: 2px;
  background: #5b8bb5;
  margin-top: 1rem;
}
.section__text p {
  margin: 0 0 1rem;
  max-width: 60ch;
  color: rgb(67.5943925234, 81.7420560748, 100.6056074766);
}

.intro {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 60vh;
  padding: 5rem 4rem 4rem;
}
.intro__lead {
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 2.4rem;
  line-height: 1.3;
  font-weight: 400;
  max-width: 22ch;
  margin: 0 0 1.5rem;
  color: #2b3440;
}
.intro__sub {
  font-size: 1.05rem;
  max-width: 50ch;
  color: rgb(67.5943925234, 81.7420560748, 100.6056074766);
}

.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.gallery--two {
  grid-template-columns: repeat(2, 1fr);
}
.gallery__item {
  position: relative;
  aspect-ratio: 4/5;
  overflow: hidden;
  background: #dfe6ee;
  cursor: pointer;
  border: none;
  padding: 0;
}
.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.gallery__item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: #1e2a3a;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.gallery__item:hover img {
  transform: scale(1.05);
}
.gallery__item:hover::after {
  opacity: 0.12;
}
.gallery__item:focus-visible {
  outline: 2px solid #6fa3d0;
  outline-offset: 3px;
}

.feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.feature__media {
  aspect-ratio: 4/5;
  overflow: hidden;
  background: #dfe6ee;
}
.feature__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.feature__media:hover img {
  transform: scale(1.04);
}

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(20, 28, 40, 0.94);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 300;
  opacity: 0;
  transition: opacity 0.25s ease;
}
.lightbox.open {
  display: flex;
  opacity: 1;
}
.lightbox__img {
  max-width: 88vw;
  max-height: 84vh;
  object-fit: contain;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}
.lightbox__close, .lightbox__nav {
  position: absolute;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  cursor: pointer;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}
.lightbox__close:hover, .lightbox__nav:hover {
  background: rgba(255, 255, 255, 0.2);
}
.lightbox__close {
  top: 1.5rem;
  right: 1.5rem;
}
.lightbox__nav--prev {
  left: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
}
.lightbox__nav--next {
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
}
.lightbox__counter {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

@media (max-width: 1024px) {
  .sidebar {
    min-width: 240px;
    width: 240px;
  }
  .content {
    margin-left: 240px;
  }
  .section, .intro {
    padding: 3.5rem 2.5rem;
  }
  .intro__lead {
    font-size: 2rem;
  }
  .feature {
    gap: 2rem;
  }
  .gallery {
    gap: 0.75rem;
  }
}
@media (max-width: 680px) {
  .topbar {
    display: flex;
  }
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    width: 82%;
    min-width: 0;
    max-width: 320px;
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.3);
  }
  body.menu-open .sidebar {
    transform: translateX(0);
  }
  .sidebar__inner {
    padding-top: 2rem;
  }
  .content {
    margin-left: 0;
    padding-top: 60px;
  }
  .section, .intro {
    padding: 2.75rem 1.4rem;
  }
  .intro {
    min-height: auto;
  }
  .intro__lead {
    font-size: 1.7rem;
  }
  .section__title {
    font-size: 2rem;
  }
  .feature {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .gallery, .gallery--two {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.6rem;
  }
  .lightbox__nav {
    width: 42px;
    height: 42px;
  }
  .lightbox__nav--prev {
    left: 0.5rem;
  }
  .lightbox__nav--next {
    right: 0.5rem;
  }
  body.menu-open::after {
    content: "";
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 90;
  }
}
@media (max-width: 420px) {
  .gallery, .gallery--two {
    grid-template-columns: 1fr;
  }
}