/*===== GOOGLE FONTS =====*/
/* Fonts imported in HTML: Inter, Merriweather, JetBrains Mono */

/*===== VARIABLES CSS (Technical Editorial) =====*/
:root {
  --header-height: 4.5rem;
  
  /* Font Families */
  --body-font: 'Inter', sans-serif;
  --title-font: 'Merriweather', serif;
  --tech-font: 'JetBrains Mono', monospace;

  /* Color Mapping (Light Mode Default) */
  --bg-page: #F7F7F7;
  --bg-surface: #FFFFFF;
  --text-primary: #1A1A1A;
  --text-secondary: #5A5A5A;
  --basanti: #F1C338;
  --primary-action-bg: #1A1A1A;
  --primary-action-text: #FFFFFF;
  --card-accent-border: #1A1A1A;
  --border-color: #E0E0E0;
  
  --transition: all 0.2s ease-in-out;
}

[data-theme="dark"] {
  --bg-page: #0D0D0D;
  --bg-surface: #141414;
  --text-primary: #EDEDED;
  --text-secondary: #999999;
  --basanti: #F1C338;
  --primary-action-bg: #EDEDED;
  --primary-action-text: #0D0D0D;
  --card-accent-border: #EDEDED;
  --border-color: #333333;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--body-font);
  font-size: 16px;
  background-color: var(--bg-page);
  color: var(--text-primary);
  transition: var(--transition);
  overflow-x: hidden;
  padding-top: var(--header-height);
  line-height: 1.6;
}

h1, h2, h3, h4, .title {
  margin: 0;
  font-family: var(--title-font);
  color: var(--text-primary);
}

p, button, nav, a {
  font-family: var(--body-font);
}

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

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

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

/*===== CLASS CSS ===== */
.section {
  padding: 48px 0 16px; /* 8px grid */
}

.section-title {
  position: relative;
  font-size: 2rem;
  font-weight: 700;
  text-align: left; /* Editorial look */
  margin-bottom: 40px; /* 8px grid */
  padding-bottom: 8px;
  border-bottom: 2px solid var(--border-color);
  border-left: 4px solid var(--basanti);
  padding-left: 16px;
  
  /* Apply grid alignment so it matches container */
  max-width: 1024px;
  margin-left: 24px;
  margin-right: 24px;
}

/* Layout Grid */
.bd-grid {
  max-width: 1024px;
  display: grid;
  margin-left: 24px;
  margin-right: 24px;
}

@media screen and (min-width: 1024px) {
  .bd-grid, .section-title {
    margin-left: auto;
    margin-right: auto;
  }
}

/*===== HEADER =====*/
.l-header {
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.nav {
  height: var(--header-height);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav__logo {
  font-family: var(--title-font);
  font-weight: 900;
  font-size: 1.5rem;
  letter-spacing: -0.5px;
  color: var(--text-primary);
}

@media screen and (max-width: 767px) {
  .nav__menu {
    position: fixed;
    top: var(--header-height);
    right: -100%;
    width: 75%;
    height: calc(100vh - var(--header-height));
    padding: 32px 24px;
    background-color: var(--bg-surface);
    border-left: 1px solid var(--border-color);
    transition: 0.3s ease;
  }
}

.nav__list {
  display: flex;
  flex-direction: column;
  row-gap: 24px;
}

.nav__link {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
}

.nav__link:hover, .active-link {
  color: var(--text-primary);
  font-weight: 700;
}

.nav__actions {
  display: flex;
  align-items: center;
  column-gap: 24px;
}

.change-theme {
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-secondary);
  transition: var(--transition);
}

.change-theme:hover {
  color: var(--text-primary);
}

.nav__toggle {
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-primary);
  display: none;
}

@media screen and (max-width: 768px) {
  .nav__toggle {
    display: block;
  }
}

.show {
  right: 0;
}

/*===== HOME =====*/
.home {
  position: relative;
  padding: 64px 0 16px;
  border-bottom: 1px solid var(--border-color);
}

.home__container {
  grid-template-columns: 1fr;
  align-items: center;
  gap: 32px;
}

.home__data {
  text-align: left;
}

.home__title {
  font-size: 3rem;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 16px;
}

.home__title-color {
  color: var(--basanti);
}

.home__description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 600px;
}

.home__social {
  display: flex;
  column-gap: 16px;
  margin-top: 32px;
  margin-bottom: 32px;
  margin-left: 16px; /* Nudge right to balance with button visual weight */
}

.home__social-icon {
  font-size: 1.5rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.home__social-icon:hover {
  color: var(--text-primary);
}

.home__img {
  display: none; /* Hide the blob image completely for a more editorial text-heavy look */
}

/* BUTTONS */
.buttons-group {
  display: flex;
  column-gap: 16px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-action-bg);
  color: var(--primary-action-text);
  padding: 12px 24px;
  font-weight: 500;
  border-radius: 4px; /* Strict constraint */
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  min-width: 160px;
}

.button:hover {
  opacity: 0.9;
}

.button-outline {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: 4px;
}

.button-outline:hover {
  background: var(--border-color);
  color: var(--text-primary);
}

/*===== ABOUT =====*/
.about__container {
  grid-template-columns: 1fr;
  gap: 32px;
}

.about__img {
  display: none;
}

.about__data {
  text-align: left;
}

.about__subtitle {
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.about__description {
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.about__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.about__stat-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  padding: 24px 16px;
  text-align: center;
}

.about__stat-num {
  display: block;
  font-size: 2rem;
  font-family: var(--tech-font);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.about__stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/*===== SKILLS =====*/
.skills__container {
  grid-template-columns: 1fr;
  gap: 32px;
}

.skills__categories {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.skills__category-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  padding: 24px;
}

.skills__category-title {
  font-size: 1.25rem;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  column-gap: 8px;
}

.skills__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.skills__badge {
  background-color: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 4px 12px;
  font-family: var(--tech-font);
  font-size: 0.85rem;
}

/*===== WORK / PROJECTS =====*/
.work__container {
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.project-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-top: 3px solid var(--card-accent-border); /* Primary Card Requirement */
  display: flex;
  flex-direction: column;
}

.project-card__header {
  padding: 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
}

.project-card__header i {
  font-size: 2.5rem;
  color: var(--text-primary);
}

.project-card__content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-card__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.project-card__subtitle {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
  font-family: var(--tech-font);
}

.project-card__description {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
  flex-grow: 1;
}

.project-card__tech {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.project-card__tech-tag {
  background-color: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-family: var(--tech-font);
  font-size: 0.8rem;
  padding: 4px 8px;
}

.project-card__actions {
  display: flex;
  column-gap: 16px;
}

.project-card__link {
  font-size: 0.9rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  column-gap: 6px;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  padding: 8px 16px;
  border-radius: 4px;
  transition: var(--transition);
}

.project-card__link:hover {
  background: var(--border-color);
}

.project-card__link--primary {
  background-color: var(--primary-action-bg);
  color: var(--primary-action-text);
  border-color: var(--primary-action-bg);
}

.project-card__link--primary:hover {
  opacity: 0.9;
  background-color: var(--primary-action-bg);
  color: var(--primary-action-text);
}

/*===== CONTACT =====*/
.contact__container {
  grid-template-columns: 1fr;
  gap: 32px;
}

.contact__info {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.contact__card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  padding: 24px;
  display: flex;
  align-items: center;
  column-gap: 16px;
}

.contact__icon {
  font-size: 2rem;
  color: var(--text-primary);
}

.contact__title {
  font-size: 1.1rem;
}

.contact__subtitle {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.contact__form {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  padding: 32px;
}

.contact__inputs {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.contact__input {
  width: 100%;
  background-color: var(--bg-page);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 12px 16px;
  font-family: var(--body-font);
}

.contact__input:focus {
  outline: none;
  border-color: var(--text-primary);
}

.contact__button {
  width: 100%;
}

/*===== FOOTER =====*/
.footer {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  padding: 32px 0;
  text-align: center;
  margin-top: 32px;
}

.footer__text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.footer__social {
  display: flex;
  justify-content: center;
  column-gap: 16px;
}

.footer__icon {
  font-size: 1.5rem;
  color: var(--text-secondary);
}

.footer__icon:hover {
  color: var(--text-primary);
}

@media screen and (min-width: 768px) {
  body {
    margin: 0;
  }
  .section {
    padding: 64px 0 24px;
  }
  .home {
    padding: 104px 0 48px;
  }
  .nav {
    height: calc(var(--header-height) + 1rem);
  }
  .nav__list {
    flex-direction: row;
    column-gap: 32px;
  }
  .home__container {
    grid-template-columns: 1fr; /* Keep it focused on text since image is hidden */
  }
  .about__container,
  .skills__container {
    grid-template-columns: repeat(2, 1fr);
  }
  .contact__info {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Prevent FOUC (Flash of Unstyled Content) for ScrollReveal */
html.sr .home__data,
html.sr .about__img, html.sr .skills__subtitle, html.sr .skills__description,
html.sr .home__img, html.sr .about__data, html.sr .skills__category-card,
html.sr .home__social,
html.sr .project-card, html.sr .contact__card {
  visibility: hidden;
}