@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;600&display=swap");

@import url("https://fonts.googleapis.com/css2?family=Familjen+Grotesk:ital,wght@0,400..700;1,400..700&family=Outfit:wght@100..900&family=Space+Grotesk:wght@300..700&display=swap");

:root {
  /*light theme colors*/
  --color-lightest: #f8f9fa;
  --color-light: #ced4da;
  --color-medium: #adb5bd;
  --color-dark: #6c757d;
  --color-darker: #495057;
  --color-darkest: #212529;
  --color-accent: #3a5a40;

  /* Dark mode colors  */
  --color-lightest-dark: #1a1b1e;
  --color-light-dark: #2c2e33;
  --color-medium-dark: #495057;
  --color-dark-dark: #6c757d;
  --color-darker-dark: #adb5bd;
  --color-darkest-dark: #e9ecef;
  --color-accent-dark: #588157;

  --header-font: "Familjen Grotesk", sans-serif;
  --primary-font: "Inter", sans-serif;
  --secondary-font: "Outfit", sans-serif;

  --max-width: 1440px;
  --padding-inline-header: clamp(1rem, 5vw, 4rem);
  --padding-inline-main: clamp(1.5rem, 5vw, 4rem);

  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

/*dark theme*/

/* Theme Toggle Styles */
.theme-toggle {
  position: fixed;

  top: clamp(1rem, 3vh, 2rem);
  left: clamp(1rem, 3vw, 2rem);
  z-index: 100;
}

.theme-switch {
  position: relative;
  display: inline-block;
  width: clamp(3rem, 5vw, 3.75rem);
  height: clamp(1.75rem, 3vh, 2.125rem);
  cursor: pointer;
}

.theme-input {
  opacity: 0;
  width: 0;
  height: 0;
}

.theme-slider {
  position: absolute;
  width: 3rem;
  height: 1.5rem;
  opacity: 0.6;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-lightest);
  border: 2px solid var(--color-medium);
  border-radius: 2.125rem;
  transition: var(--transition-smooth);
  overflow: hidden;
}

.theme-input:checked ~ .theme-slider {
  border-color: var(--color-darkest);
}

.theme-slider:before {
  content: "";
  position: absolute;
  height: calc(100% - 0.5rem);
  width: calc(50% - 0.5rem);
  left: 0.25rem;
  bottom: 0.25rem;
  background-color: var(--color-accent);
  border-radius: 50%;
  transition: var(--transition-smooth);
}

.theme-input:checked + .theme-slider:before {
  transform: translateX(100%);
}

.sun-icon,
.moon-icon {
  position: absolute;
  width: clamp(0.875rem, 1.5vw, 1rem);
  height: clamp(0.875rem, 1.5vw, 1rem);
  top: 50%;
  transform: translateY(-50%);
  transition: var(--transition-smooth);
}

.sun-icon {
  left: 0.4375rem;
  stroke: var(--color-darkest);
  opacity: 1;
}

.moon-icon {
  right: 0.4375rem;
  stroke: var(--color-darkest);
  opacity: 0;
}

.theme-input:checked ~ .theme-slider .sun-icon {
  opacity: 0;
}

.theme-input:checked ~ .theme-slider .moon-icon {
  opacity: 1;
}

/* Dark mode styles using attribute selector */
[data-theme="dark"] {
  --color-lightest: var(--color-lightest-dark);
  --color-light: var(--color-light-dark);
  --color-medium: var(--color-medium-dark);
  --color-dark: var(--color-dark-dark);
  --color-darker: var(--color-darker-dark);
  --color-darkest: var(--color-darkest-dark);
  --color-accent: var(--color-accent-dark);
}

/* Dark mode specific overrides */
[data-theme="dark"] .header-section {
  background-image: url("../src/background-desktop-dark.svg");
}

[data-theme="dark"] .hero-description {
  opacity: 0.6;
}

[data-theme="dark"] .about-content {
  opacity: 0.9;
}

[data-theme="dark"] .slogan-section {
  background-color: var(--color-medium);
}

[data-theme="dark"] .quote-mark {
  color: var(--color-darkest);
}

[data-theme="dark"] .cta-section {
  background-color: var(--color-darkest);
}

[data-theme="dark"] .learn-more {
  color: var(--color-lightest);
}

[data-theme="dark"] .learn-more:hover {
  color: var(--color-darkest);
}

[data-theme="dark"] .footer-section {
  background-color: var(--color-lightest);
}

[data-theme="dark"] .subtitle {
  color: var(--color-darkest);
}

[data-theme="dark"] .contact-link {
  color: var(--color-darkest);
}

[data-theme="dark"] .social-link {
  color: var(--color-darkest);
}

[data-theme="dark"] .project-title {
  color: var(--color-darkest);
}

[data-theme="dark"] .main-heading {
  background: linear-gradient(
    135deg,
    var(--color-medium) 0%,
    var(--color-accent) 25%,
    var(--color-dark) 50%,
    var(--color-accent) 75%,
    var(--color-medium) 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Add transitions to elements */
.header-section,
.about-section,
.slogan-section,
.cta-section,
.footer-section,
.nav a,
.hero-title,
.hero-description,
.about-content,
.slogan-text,
.main-heading,
.learn-more {
  transition: var(--transition-smooth);
}

[data-theme="dark"] .header-section {
  background-image: url("../src/background-large-dark.svg");
}

.menu-button,
.menu-nav,
.mobile-profile-img {
  display: none;
}

/*loading*/

.loader-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-light);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 101;
  opacity: 1;
  transition: opacity 0.5s ease-out;
}

.loader-wrapper.fade-out {
  opacity: 0;
}

.loader {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.loader-svg {
  width: 200px;
  height: 100px;
}

.loader-text {
  font-family: var(--primary-font);
  font-size: 1.2rem;
  color: var(--color-darkest);
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0;
  animation: fadeIn 0.5s ease-out forwards 0.5s;
}

.histogram-loader .bar {
  fill: var(--color-accent);
  transform-origin: bottom;
  animation: barHeight 1.2s ease-in-out infinite;
}

.histogram-loader .bar:nth-child(1) {
  animation-delay: 0s;
}
.histogram-loader .bar:nth-child(2) {
  animation-delay: 0.1s;
}
.histogram-loader .bar:nth-child(3) {
  animation-delay: 0.2s;
}
.histogram-loader .bar:nth-child(4) {
  animation-delay: 0.3s;
}
.histogram-loader .bar:nth-child(5) {
  animation-delay: 0.4s;
}
.histogram-loader .bar:nth-child(6) {
  animation-delay: 0.5s;
}

/*header*/

.header-section {
  width: 100%;
  min-height: 100vh;
  position: relative;
  font-family: var(--primary-font);
  color: var(--color-darkest);
  background-color: var(--color-lightest);
  background-image: url("../src/background-desktop.svg");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  filter: contrast(1.2) brightness(1);
}

.nav {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 2rem var(--padding-inline-header);
  display: flex;
  justify-content: flex-end;
  gap: 2rem;
  z-index: 50;
}

.nav a {
  color: var(--color-darkest);
  font-weight: 500;
  text-decoration: none;
  font-size: clamp(0.875rem, 1.1vw, 1.1rem);
  opacity: 0.5;
  transition: opacity 0.3s ease;
}

.nav a:hover {
  opacity: 1;
}

.nav a:active {
  transform: translateY(0.2rem);
  transition: transform 0.1s ease-in-out;
}

.hero {
  width: 100%;
  height: 100vh;
  display: flex;
  align-items: flex-end;
}

.hero-content {
  width: 100%;
  margin: 0 2rem;
  display: flex;
  justify-content: space-between;
  padding-bottom: clamp(2rem, 5vw, 2.5rem);
}

.hero-title {
  font-size: clamp(2rem, 8vw, 7rem);
  font-family: var(--header-font);
  line-height: 0.9;
  font-weight: 700;
  letter-spacing: -0.02em;
  transition: var(--transition-smooth);
}

.hero-title:hover {
  transform: scale(1.02);
}

.hero-description {
  display: flex;
  align-items: flex-end;
  max-width: clamp(300px, 50%, 500px);
  margin-left: 2rem;
  margin-right: 10rem;
  font-weight: 500;
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  line-height: 1.5;
  opacity: 1;
}

/*about*/

.about-section {
  font-family: var(--primary-font);
  background-color: var(--color-lightest);
  color: var(--color-darkest);
  min-height: 100vh;
  padding: var(--padding-inline-main);
}

.about-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(4rem, 8vw, 8rem);
  width: 100%;
  margin: 0 auto;
  padding-top: clamp(2rem, 5vh, 4rem);
}

.about-title {
  font-size: clamp(4rem, 12vw, 6rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 0.9;
  transition: var(--transition-smooth);
}

.about-title:hover {
  color: var(--color-accent);
  transform: translateX(1rem);
}

.about-content {
  display: flex;
  flex-direction: column;
  gap: clamp(2rem, 4vh, 3rem);
  max-width: clamp(500px, 500px, 30%);
}

.about-header {
  font-size: clamp(0.75rem, 2vw, 1.25rem);
  line-height: 1.3;
  font-weight: 600;
  margin-bottom: clamp(1rem, 2vh, 2rem);
  margin-top: 0.5rem;
}

.about-description {
  font-size: clamp(0.65rem, 1.2vw, 1rem);
  font-weight: 500;
  line-height: 1.5;
}

.section-title {
  font-size: clamp(1rem, 1.2vw, 1.125rem);
  opacity: 0.7;
  margin-bottom: 1rem;
}

.section-content {
  font-size: clamp(0.65rem, 1.2vw, 1rem);
  font-weight: 500;
  line-height: 1.5;
}

/*slogan*/
.slogan-section {
  font-family: var(--primary-font);
  background-color: var(--color-light);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1.5rem, 5vw, 4rem);
}

.slogan-container {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  padding: clamp(2rem, 5vh, 4rem) 0;
}

.quote-mark {
  font-size: clamp(3rem, 8vw, 6rem);
  font-family: Arial, Helvetica, sans-serif;
  color: #333;
  margin-bottom: clamp(1.5rem, 3vh, 2rem);
  opacity: 0.5;
}

.slogan-text {
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  line-height: 1.4;
  color: var(--color-darker);
  margin-bottom: clamp(2.5rem, 5vh, 4rem);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.profile-image {
  width: clamp(64px, 8vw, 80px);
  height: clamp(64px, 8vw, 80px);
  border-radius: 50%;
  margin-bottom: 1rem;
  transition: var(--transition-smooth);
}

.profile-image:hover {
  transform: scale(1.01);
}

.profile-name {
  font-size: clamp(1rem, 1.2vw, 1.125rem);
  font-weight: 500;
  color: var(--color-darkest);
  margin-bottom: 0.5rem;
}

.profile-title {
  font-size: clamp(0.875rem, 1vw, 1rem);
  color: var(--color-dark);
}

/*cta*/

.cta-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 4rem;
  background-color: var(--color-lightest);
  text-align: center;
}

.main-heading {
  font-family: var(--primary-font);
  font-size: clamp(2rem, 10vw, 3rem);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 2rem;
  max-width: 80%;
  background: linear-gradient(
    135deg,
    var(--color-darker) 0%,
    var(--color-accent) 25%,
    var(--color-dark) 50%,
    var(--color-accent) 75%,
    var(--color-darker) 100%
  );

  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-wrap: no-wrap;

  animation: fadeIn 1s ease-in-out;
  transition: var(--transition-smooth);
}

.learn-more {
  font-family: var(--primary-font);
  font-weight: 500;
  font-size: clamp(0.75rem, 2vw, 1.2rem);
  letter-spacing: 0.25em;
  color: var(--color-darkest);
  text-decoration: none;
  text-transform: uppercase;
  transition: color 0.3s ease;
  border: 0.25px solid var(--color-medium);
  padding: 0.5rem;

  animation: fadeIn 1s ease-in-out;
  transition: var(--transition-smooth);
}

.learn-more:hover {
  background-color: var(--color-accent);
  color: var(--color-lightest);
  transform: translateY(-0.05rem);
}

.learn-more:active {
  transform: translateY(0.2rem);
  transition: transform 0.1s;
}

/*footer*/

.footer-section {
  font-family: var(--primary-font);
  background-color: var(--color-darkest);
  color: var(--color-lightest);
  min-height: 30vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: clamp(1.5rem, 5vw, 4rem);
}

.heart-icon {
  font-size: clamp(2rem, 4vw, 4rem);
  color: var(--color-dark);
  margin-bottom: 1rem;
  animation: pulse 2s infinite;
}

.title {
  font-size: clamp(3rem, 10vw, 6rem);
  font-weight: 600;
  margin-bottom: clamp(2rem, 4vh, 3rem);
  color: var(--color-dark);
}

.subtitle {
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  color: var(--color-lightest);
  opacity: 0.8;
  margin-bottom: 1rem;
}

.contact-link {
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  font-weight: 500;
  color: var(--color-lightest);
  text-decoration: none;
  margin-bottom: clamp(3rem, 6vh, 4rem);
  display: inline-block;
}

.arrow {
  display: inline-block;
  margin-left: 0.5rem;
}

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

.contact-link:hover .arrow {
  transition: var(--transition-smooth);
  transform: translateX(0.25rem);
}

.contact-link:active {
  transform: translateY(0.2rem);
  transition: transform 0.1s;
}

.social-links {
  display: flex;
  gap: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: clamp(4rem, 8vh, 6rem);
}

.social-link {
  color: var(--color-lightest);
  text-decoration: none;
  font-size: clamp(0.875rem, 1.2vw, 1rem);
  opacity: 0.7;
  transition: opacity 0.3s ease;
}

.social-link:hover {
  opacity: 1;
}

.metrics {
  text-align: center;
  margin-top: 2rem;
}

.project-title {
  font-size: clamp(1.25rem, 1.8vw, 1.5rem);
  font-weight: 500;
  margin-bottom: 1rem;
}

.publish-date {
  color: #666;
  font-size: clamp(0.75rem, 1vw, 0.875rem);
}

@media (max-width: 768px) {
  .menu-button,
  .mobile-profile-img {
    display: block;
  }
  .no-scroll {
    overflow: hidden;
  }

  .mobile-profile-img {
    align-self: center;
    height: 30rem;
    width: 21rem;
  }

  .loader-text {
    font-size: 1.1rem;
    font-weight: 500;
    letter-spacing: 0.15em;
  }

  .nav {
    display: none !important;
  }

  .theme-slider {
    width: 2.9rem;
    height: 1.4rem;
  }

  .theme-toggle {
    margin-top: 0.1rem;
    opacity: 0.6;
  }

  .theme-toggle {
    top: clamp(0.75rem, 2vh, 1.5rem);
    left: clamp(2rem, 6vw, 8rem);
    right: auto;
  }

  [data-theme="dark"] .header-section {
    background-image: url("../src/background-small-dark.svg");
  }

  /*menu*/
  .menu-button {
    font-family: var(--primary-font);
    font-size: 1rem;
    font-weight: 600;
    position: fixed;
    z-index: 5000;
    right: 1.5rem;
    top: 1.25rem;
    transition: var(--transition-smooth);
  }

  [data-theme="dark"] .menu-button {
    color: var(--color-darkest);
  }

  .menu-nav {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--color-dark);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: clamp(2rem, 5vh, 3rem);
    z-index: 500;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-smooth);
  }

  .menu-nav-active {
    opacity: 1;
    pointer-events: auto;
  }

  .menu-nav a {
    font-size: clamp(1.5rem, 5vw, 2.6rem);
    color: var(--color-lightest);
    text-decoration: none;
    font-weight: 600;
    font-family: var(--header-font);
    letter-spacing: 0.1em;
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition-smooth);
    position: relative;
  }

  [data-theme="dark"] .menu-nav a {
    color: var(--color-darkest);
  }

  .menu-nav a::after {
    content: "";
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: var(--transition-smooth);
  }

  .menu-nav a:hover::after {
    width: 100%;
  }

  .menu-nav a:active {
    transform: scale(0.95);
  }

  /* Link animation */
  @keyframes slideIn {
    from {
      opacity: 0;
      transform: translateY(20px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  /*header*/
  .header-section {
    width: 100%;
    min-height: 100vh;
    position: relative;
    font-family: var(--primary-font);
    color: var(--color-darkest);
    background-color: var(--color-lightest);
    background-image: url("../src/background-mobile.svg");
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    filter: contrast(1.2) brightness(1);
  }

  .menu-button-active {
    color: var(--color-lightest);
  }

  .hero {
    width: 100%;
    height: 100vh;
    display: flex;
  }

  .hero-content {
    flex-direction: column;
    width: 100%;
    margin: 0 2rem;
    display: flex;
    justify-content: space-between;
    padding-bottom: clamp(2rem, 5vw, 2.5rem);
  }

  .hero-title {
    font-size: clamp(2rem, 15vw, 10rem);
    line-height: 0.9;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
  }

  .hero-description {
    width: 100%;
    font-weight: 500;
    margin-left: 0.2rem;
    margin-right: 0;
    font-size: clamp(1rem, 1.5vw, 1.1rem);
    line-height: 1.3;
    opacity: 0.7;
  }

  /*about*/

  .about-section {
    font-family: var(--primary-font);
    background-color: var(--color-lightest);
    color: var(--color-darkest);
    min-height: 100vh;
    padding: var(--padding-inline-main);
  }

  .about-container {
    display: flex;
    flex-direction: column;
    gap: clamp(2rem, 6vw, 4rem);
    width: 100%;
    margin: 0 auto;
    padding-top: clamp(1rem, 2vh, 2rem);
  }

  .about-title {
    font-size: clamp(4rem, 18vw, 8rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 0.9;
    transition: var(--transition-smooth);
  }

  .about-content {
    display: flex;
    flex-direction: column;
    gap: clamp(1rem, 2vh, 2rem);
    max-width: clamp(500px, 500px, 30%);
  }

  .about-header {
    font-size: clamp(0.75rem, 4.5vw, 1.25rem);
    line-height: 1.3;
    font-weight: 600;
    margin-bottom: 0;
    margin-top: 0.5rem;
  }

  .about-description {
    display: none;
  }

  .section-title {
    display: none;
  }

  .section-content {
    font-size: clamp(0.75rem, 2.5vw, 1rem);
    font-weight: 500;
    line-height: 1.25;
  }

  .section-content-second {
    display: none;
  }

  /*slogan*/
  .slogan-section {
    font-family: var(--primary-font);
    background-color: var(--color-light);
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(1.5rem, 5vw, 4rem);
  }

  .profile-image {
    display: none;
  }

  /*cta*/

  .cta-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1rem 1rem;
    background-color: var(--color-lightest);
    text-align: center;
  }

  .main-heading {
    font-family: var(--primary-font);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 500;
    line-height: 1.2;
    margin-bottom: 1rem;
    max-width: 80%;
    background: linear-gradient(
      135deg,
      var(--color-darker) 0%,
      var(--color-accent) 25%,
      var(--color-dark) 50%,
      var(--color-accent) 75%,
      var(--color-darker) 100%
    );

    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-wrap: no-wrap;

    animation: fadeIn 1s ease-in-out;
    transition: var(--transition-smooth);
  }

  .learn-more {
    font-family: var(--primary-font);
    font-size: clamp(0.75rem, 2vw, 1.2rem);
    letter-spacing: 0.25em;
    color: var(--color-lightest);
    text-decoration: none;
    text-transform: uppercase;
    transition: color 0.3s ease;
    border: 0.25px solid var(--color-darkest);
    padding: 0.5rem;
    background-color: var(--color-accent);
    animation: fadeIn 1s ease-in-out;
    transition: var(--transition-smooth);
  }

  [data-theme="dark"] .learn-more {
    color: var(--color-darkest);
  }

  .learn-more:hover {
    background-color: var(--color-accent);
    color: var(--color-lightest);
    transform: translateY(-0.05rem);
  }

  .learn-more:active {
    transform: translateY(0.2rem);
    transition: transform 0.1s;
  }

  .heart-icon {
    font-size: 3rem;
    margin-bottom: 0;
  }

  .title {
    margin-top: 0;
    font-family: var(--header-font);
    font-weight: 800;
  }
}

/* animations */
@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.2);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes barHeight {
  0%,
  100% {
    transform: scaleY(0.2);
  }
  50% {
    transform: scaleY(1);
  }
}

@keyframes rotate {
  100% {
    transform: rotate(360deg);
  }
}

@keyframes dash {
  0% {
    stroke-dashoffset: 180;
  }
  50% {
    stroke-dashoffset: 45;
    transform: rotate(135deg);
  }
  100% {
    stroke-dashoffset: 180;
    transform: rotate(360deg);
  }
}

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}