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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  color: #1a1a1a;
  background-attachment: scroll;
  overflow-x: hidden;
}

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

header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 20px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #000;
  transition: 0.2s ease;
  z-index: 1000;
}

header.shrink {
  padding: 10px 40px;
  background: #000;
}

.logo img {
  max-height: 70px;
  width: auto;
}

nav ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
}

nav li {
  margin-left: 25px;
}

nav a {
  color: #fff;
  text-decoration: none;
  font-weight: 400;
}

.burger {
  display: none;
  color: #fff;
  font-size: 28px;
  cursor: pointer;
}

.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.95);
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}

.mobile-nav.active {
  display: flex;
}

.mobile-nav a {
  color: #fff;
  font-size: 2em;
  margin: 15px;
  text-decoration: none;
}

.close,
.mobile-nav .close {
  position: absolute;
  top: 20px;
  right: 30px;
  font-size: 30px;
  color: #fff;
  cursor: pointer;
}

.section {
  min-height: 100vh;
  padding: 150px 30px 70px;
  display: flex;
  align-items: center;
}

#about,
#who,
#services,
#engage,
#contact {
  min-height: 100vh;
}

#about {
  padding-top: 140px;
}

#who {
  padding-top: 140px;
}

#services {
  padding-top: 140px;
}

#engage {
  padding-top: 140px;
}

#contact {
  padding-top: 160px;
}

#contact form {
  width: 100%;
  padding-top: 0px;
  max-width: 700px;
}

.ppsection {
  min-height: 100vh;
  padding: 120px clamp(30px, 12vw, 330px);
  display: block;
}

.alt {
  background: #f4f6f8;
}

.narrow {
  max-width: 800px;
}

.hero,
.secondary,
.tertiary,
.quaternary,
.quinary {
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

.hero {
  background-image: url('pic1.jpg');
  background-attachment: fixed;
  color: #fff;
  min-height: 100vh;
}

.secondary {
  background-image: url('pic2.jpg');
  background-attachment: fixed;
  color: #000;
}

.tertiary {
  background-image: url('pic3.jpg');
  background-attachment: fixed;
  background-color: transparent;
}

.quaternary {
  background-image: url('pic4.jpg');
  background-attachment: fixed;
  color: #000;
}

.quinary {
  background-image: url('pic5.jpg');
  background-attachment: fixed;
  color: #000;
}

.hero-content {
  max-width: 1000px;
}

.hero-content h1 {
  max-width: 1100px;
  margin: 0 0 25px;
  text-align: left;
  color: #fff;
}

.hero-content p {
  max-width: 760px;
  margin: 0;
  text-align: left;
}

.secondary h2,
.tertiary h2,
.quaternary h2,
.quinary h2 {
  padding: 10px 16px;
  line-height: 1.4;
  background: rgba(204, 204, 204, 0.5);
  color: #000;
  text-align: center;
}

h1 {
  font-size: clamp(2rem, 5vw, 2.8em);
  font-weight: 600;
  text-align: center;
}

h2 {
  font-size: clamp(1.6rem, 4vw, 2em);
  margin-bottom: 20px;
}

h3,
h4 {
  margin-bottom: 0;
}

.btn {
  background: #49FF00;
  padding: 12px 25px;
  border-radius: 12px;
  color: #000;
  text-decoration: none;
  display: inline-block;
  margin-top: 40px;
  text-align: center;
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: 0.6s;
}

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

.cred {
  margin-top: 20px;
  font-weight: 600;
  color: #666;
}

form input,
form textarea {
  width: 100%;
  padding: 12px;
  margin: 10px 0;
  border: 1px solid #ddd;
  font-family: inherit;
}

form textarea {
  min-height: 160px;
  resize: vertical;
}

button {
  background: #000;
  color: #fff;
  padding: 12px 20px;
  border: none;
  cursor: pointer;
}

a,
button {
  transition: all 0.3s ease;
}

a:hover,
button:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}

footer {
  background: #000;
  color: #fff;
  text-align: center;
  padding: 10px;
}

.art {
  width: 95%;
  max-width: 1200px;
  margin: auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.artcontent {
  margin: 5%;
  line-height: 1.4;
  font-size: large;
  font-weight: normal;
  text-align: justify;
  color: #000;
}

.artsection {
  padding-top: 140px;
  margin-left: 3%;
  text-align: left;
  color: #000;
}

.artheadsection {
  padding: 140px 30px 20px;
  text-align: center;
  color: #000;
}

#art-head {
  margin: auto;
  text-align: center;
  background-color: #eee;
  font-weight: bold;
  font-size: medium;
  line-height: 1.2;
  padding: 0.8em;
  box-shadow: 0 5px 8px rgba(0,0,0,0.25);
  display: flex;
  flex-direction: column;
}

#art-cont {
  text-align: left;
  background-color: #fff;
  font-size: 12pt;
  font-weight: normal;
  line-height: 1.4;
  padding: 2em;
  box-shadow: 0 5px 8px rgba(0,0,0,0.25);
  display: flex;
  flex-direction: column;
}


/* Large tablets and small laptops */
@media (max-width: 1024px) {
  header {
    padding: 18px 28px;
  }

  header.shrink {
    padding: 10px 28px;
  }

  nav li {
    margin-left: 18px;
  }

  .section {
    padding: 130px 28px 60px;
  }

  .art {
    grid-template-columns: repeat(2, 1fr);
  }

  .ppsection {
    padding: 120px 60px;
  }
}


/* Tablets and mobiles */
@media (max-width: 768px) {
  header {
    padding: 12px 18px;
  }

  header.shrink {
    padding: 10px 18px;
  }

  nav {
    display: none;
  }

  .burger {
    display: block;
  }

  .logo img {
    max-height: 55px;
  }

  .section {
    min-height: auto;
    padding: 110px 22px 50px;
    display: block;
  }

  #about,
  #who,
  #services,
  #engage,
  #contact {
    min-height: auto;
    padding-top: 110px;
  }

  #contact form {
    min-height: auto;
    padding-top: 0;
  }

  .hero {
    min-height: 90vh;
    padding-top: 160px;
    background-attachment: scroll;
    background-color: #000;
  }

  .secondary,
  .tertiary,
  .quaternary,
  .quinary {
    min-height: 55vh;
    background-attachment: scroll;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .secondary h2,
  .tertiary h2,
  .quaternary h2,
  .quinary h2 {
    font-size: 1.3rem;
    line-height: 1.4;
    margin: 0 20px;
  }

  .hero-content h1 {
    width: auto;
    height: auto;
    margin: 0 0 20px;
    text-align: left;
    font-size: clamp(2rem, 8vw, 3rem);
  }

  .hero-content p {
    margin: 0;
    text-align: left;
    font-size: 1rem;
    line-height: 1.6;
  }

  .hero-content a {
    position: static;
  }

  .btn {
    position: static;
    margin-top: 30px;
    padding: 10px 18px;
    width: auto;
    max-width: 100%;
  }

  .alt {
    background: #f4f6f8;
  }

  .cred {
    font-weight: normal;
    font-size: 92%;
  }

  .art {
    width: 92%;
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .artcontent {
    margin: 5%;
    font-size: medium;
    text-align: left;
  }

  .artsection {
    padding: 120px 22px 20px;
    margin-left: 0;
    font-size: large;
    text-align: center;
  }

  .artheadsection {
    padding: 120px 22px 20px;
  }

  #art-cont {
    padding: 1.4em;
    text-align: left;
  }

  .ppsection {
    min-height: auto;
    padding: 110px 24px 50px;
  }

  .mobile-nav a {
    font-size: 1.6rem;
    margin: 16px 0;
  }
}


/* Small phones */
@media (max-width: 480px) {
  header {
    padding: 10px 14px;
  }

  header.shrink {
    padding: 8px 14px;
  }

  .logo img {
    max-height: 48px;
  }

  .burger {
    font-size: 26px;
  }

  .section {
    padding: 95px 18px 45px;
  }

  #about,
  #who,
  #services,
  #engage,
  #contact {
    padding-top: 95px;
  }

  .hero {
    min-height: 85vh;
    padding-top: 135px;
  }

  .hero-content h1 {
    font-size: 2rem;
  }

  .hero-content p {
    font-size: 0.95rem;
  }

  .secondary,
  .tertiary,
  .quaternary,
  .quinary {
    min-height: 45vh;
  }

  .secondary h2,
  .tertiary h2,
  .quaternary h2,
  .quinary h2 {
    font-size: 1.05rem;
    margin: 0 14px;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.45rem;
  }

  .btn {
    width: 100%;
    padding: 12px 16px;
  }

  .mobile-nav a {
    font-size: 1.4rem;
  }

  .close,
  .mobile-nav .close {
    top: 16px;
    right: 22px;
  }

  #art-head,
  #art-cont {
    box-shadow: 0 3px 6px rgba(0,0,0,0.2);
  }
}