@import url("https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&family=Fondamento:ital@0;1&family=Kaushan+Script&display=swap");

/* ==========================================================================
   CSS CUSTOM PROPERTIES (VARIABLES)
   ========================================================================== */
:root {
  --color-surface: #fffaf2;
  --color-surface-elevated: #ffffff;
  --color-text: #6b5f57;
  --color-heading: #433b36;

  --color-primary: #b7b1f2;
  --color-on-primary: #ffffff;
  --color-primary-container: #e8e5fc;
  --color-on-primary-container: #172b20;

  --color-secondary: #ffdccc;
  --color-on-secondary: #6b5f57;
  --color-secondary-container: #fff5f0;
  --color-on-secondary-container: #8b5a45;

  --color-tertiary: #dec3b4;
  --color-on-tertiary: #433b36;
  --color-tertiary-container: #dec3b4;
  --color-on-tertiary-container: #9d5f60;

  --color-accent: #dec3b4;
  --color-border: #6b5f57;
  --color-divider: rgba(107, 95, 87, 0.1);

  --font-primary: "Be Vietnam Pro", sans-serif;
  --font-heading: "Fondamento", cursive;
  --font-mono: "JetBrains Mono", monospace;

  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2.5rem;
  --spacing-xxl: 4rem;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(107, 95, 87, 0.08);
  --shadow-md: 0 4px 12px rgba(107, 95, 87, 0.12);
  --shadow-lg: 0 12px 24px rgba(107, 95, 87, 0.15);
  --shadow-xl: 0 20px 40px rgba(107, 95, 87, 0.18);

  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-medium: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-surface: #172b20;
    --color-surface-elevated: #1f3d2d;
    --color-text: #ede9dd;
    --color-heading: #faf1e8;
    --color-border: rgba(237, 233, 221, 0.15);
  }
}

/* ==========================================================================
   RESET & BASE STYLES
   ========================================================================== */

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

body {
  background: var(--color-surface);
  color: var(--color-text);
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: 1.6;
  min-height: 100vh;
  transition: var(--transition-fast);
}

/* ==========================================================================
   ANIMATIONS & KEYFRAMES
   ========================================================================== */

@keyframes popFade {
  0% {
    opacity: 0;
    transform: scale(0.8) translateY(-20px);
  }
  100% {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

@keyframes floatIn {
  0% {
    opacity: 0;
    transform: translateX(50px);
  }
  100% {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ==========================================================================
   LAYOUT COMPONENTS
   ========================================================================== */

.flex-box {
  display: flex;
  flex-direction: column;
  gap: 0;
  align-items: center;
  width: 100%;
}

.section {
  justify-content: center;
  padding-right: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  padding-left: var(--spacing-lg);
  scroll-margin-top: 70px;
  min-height: calc(100vh - 70px);
  box-sizing: border-box;
  /* background: var(--color-surface); */
}

/* ==========================================================================
   COMMON HEADERS
   ========================================================================== */

.section-title-01 {
  font-size: clamp(3rem, 7vw, 3.5rem);
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  background: linear-gradient(
    to top,
    transparent -10%,
    var(--color-heading) 85%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.1;
  text-align: center;
  letter-spacing: 0.05em;
}

.section-title-01-change {
  font-size: clamp(2rem, 6vw, 3rem);
  font-weight: 800;
  margin-bottom: -2rem;
  background: linear-gradient(
    to top,
    transparent 0%,
    var(--color-on-secondary) 50%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.1;
  text-align: center;
  letter-spacing: 0.05em;
}

.section-title-02 {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  transform: translateY(-60px);
  color: var(--color-heading);
  text-align: center;
  position: relative;
  z-index: 2;
}

.section-title-02:before {
  content: "";
  position: absolute;
  width: 50px;
  height: 3px;
  right: 50%;
  bottom: -8px;
  transform: translateX(50%);
  background: var(--color-secondary);
  border-radius: var(--radius-sm);
}

/* =========================
   HEADER & NAV BASE
========================= */

header {
  background: var(--color-surface);
  padding: var(--spacing-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
  color: var(--color-on-primary-container);
}

.nav-bar {
  width: 100%;
  height: 50px;
  padding: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

/* =========================
   LOGO
========================= */

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  font-size: 1.4rem;
  font-weight: bold;
  color: var(--color-on-primary-container);
}

.logo-img {
  width: 90px;
  height: auto;
  padding: 8px;
  padding-top: 39px;
}

/* =========================
   NAV LINKS
========================= */

.nav-bar .titles {
  flex-grow: 1;
  display: flex;
  justify-content: center;
}

.nav-bar .titles ul {
  list-style: none;
  display: flex;
  gap: 20px;
}

.nav-link {
  color: var(--color-on-primary-container);
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  position: relative;
  transition: var(--transition-fast);
}

.nav-link:hover {
  font-weight: 800;
  color: var(--color-primary);
}

.nav-link.active {
  background: var(--color-primary);
  color: var(--color-on-primary);
  box-shadow: var(--shadow-md);
}

/* =========================
   INFO TOGGLE BUTTON
========================= */

.info-toggle-btn {
  display: none; /* visible only on mobile */
  background: none;
  border: none;
  font-size: 1.4rem;
  color: var(--color-on-primary-container);
  cursor: pointer;
  padding: 8px;
  align-items: center;
  justify-content: center;
  transition: color 0.3s ease;
}

.info-toggle-btn:hover,
.info-toggle-btn:focus {
  color: var(--color-primary);
  outline: none;
}

/* =========================
   INFO POPUP (GLOBAL)
========================= */

#info-popup {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  transition: opacity 0.3s ease;
}

#info-popup.hidden {
  display: none;
}

.info-popup-content {
  background: var(--color-secondary-container);
  color: var(--color-on-secondary-container);
  padding: 2rem;
  width: 90%;
  max-width: 350px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  text-align: center;
}

/* Close button */
#close-popup {
  position: absolute;
  top: 12px;
  right: 12px;
  background: transparent;
  border: none;
  font-size: 2rem;
  color: var(--color-on-secondary-container);
  cursor: pointer;
  transition: color 0.25s ease;
}

#close-popup:hover {
  color: var(--color-primary);
}

/* =========================
   POPUP CONTENT
========================= */

.info-popup-content ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.info-popup-content ul li {
  margin: 0.7rem 0;
}

.info-popup-content ul li a {
  color: var(--color-on-secondary-container);
  font-size: 1.15rem;
  font-weight: 600;
  text-decoration: none;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  transition: color 0.3s ease;
}

.info-popup-content ul li a:hover,
.info-popup-content ul li a:focus {
  color: var(--color-primary);
  text-decoration: underline;
  outline: none;
}

.info-popup-content .action-btn {
  background: var(--color-primary);
  color: var(--color-on-primary);
  border: none;
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius-full);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: background-color 0.3s ease;
}

.info-popup-content .action-btn i {
  font-size: 1.2rem;
}

.info-popup-content .action-btn:hover,
.info-popup-content .action-btn:focus {
  background: var(--color-tertiary);
  outline: none;
}

/* =========================
   MOBILE NAVIGATION
========================= */

@media (max-width: 768px) {
  .info-toggle-btn {
    display: inline-flex;
  }

  .nav-bar .titles {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--color-primary-container);
    flex-direction: column;
    align-items: center;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    z-index: 150;
  }

  .nav-bar .titles.open {
    max-height: 500px;
    padding: var(--spacing-md) 0;
  }

  .nav-bar .titles ul {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .nav-bar .titles ul li {
    width: 100%;
    text-align: center;
  }
}

/* =========================
   SMALL DEVICES
========================= */

@media (max-width: 400px) {
  .info-popup-content {
    padding: 1.5rem 1rem;
    width: 95%;
  }

  .info-popup-content ul li a {
    font-size: 1rem;
  }

  .info-popup-content .action-btn {
    font-size: 0.9rem;
    padding: 0.6rem 1.2rem;
  }
}

.home {
  width: 100%;
  min-height: 90vh;
  display: flex;
  gap: 40px;
  justify-content: center;
  align-items: flex-start;
  position: relative;

  background-repeat: no-repeat;
  background-position: right;
  background-size: contain;
  transition: background-image 1s ease-in-out;
}

.home > * {
  position: relative;
  z-index: 1;
}

/* ================= TEXT BLOCK ================= */

.home .tags {
  width: 33%;
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding-top: 80px;
  color: var(--color-on-primary-container);
}

.headTag h1 {
  font-size: 2.8rem;
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: 0.08rem;
  color: var(--color-heading);
  text-shadow: 2px 3px 6px rgba(107, 95, 87, 0.3);
  animation: popFade 1s ease-out both;
}

.name {
  font-size: 2.5rem;
  font-family: var(--font-heading);
  align-self: flex-end;
  color: var(--color-on-primary-container);
  text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.2);
  animation: floatIn 1.5s ease-out both;
}

/* ================= ROLE TAGS ================= */

.role-tags {
  display: flex;
  gap: 12px;
  margin-top: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

.role {
  padding: 8px 20px;
  border-radius: 25px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-heading);
  border: 1.5px solid var(--color-border);
  transition: all 0.3s ease;
}

.role:hover {
  background: var(--color-primary);
  color: var(--color-on-primary);
  border-color: transparent;
  transform: translateY(-2px);
}

/* ================= PUZZLE / DOME ================= */

.home .puzzle {
  width: 40%;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  min-height: 300px;
}

.dome {
  width: 480px;
  height: 560px;
  background: #6b5f57;
  border-radius: 12px 12px 240px 240px;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  overflow: hidden;
}

.dome-image {
  position: absolute;
  bottom: -40px;
  right: 40px;
  width: 80%;
  object-fit: contain;
  pointer-events: none;
}

.dome-logos {
  position: absolute;
  bottom: 16px;
  display: flex;
  gap: 16px;
  align-items: center;
}

.dome-logos a {
  font-size: 1.5rem;
  color: var(--color-heading);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.dome-logos a:hover {
  transform: translateY(-2px);
  opacity: 0.8;
}

/* ================= MOBILE ================= */

@media (max-width: 768px) {
  .home {
    flex-direction: column;
    min-height: auto;
    gap: 24px;
    padding: 56px 16px;
    background-position: center;
  }

  .home .puzzle {
    display: none;
  }

  .home .tags {
    width: 100%;
    padding-top: 0;
    align-items: center;
    text-align: center;
    gap: 16px;
  }

  .headTag h1 {
    font-size: 2.1rem;
    line-height: 1.3;
    letter-spacing: 0.04rem;
    text-align: center;
  }

  .name {
    font-size: 2rem;
    align-self: center;
    text-align: center;
  }

  .role-tags {
    margin-top: 8px;
  }

  .dome-logos {
    position: absolute;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 16px;
  }
}

/* ==========================================================================
   About Us SECTION
   ========================================================================== */

.about-us {
  background: var(--color-surface);
  padding: var(--spacing-md) var(--spacing-lg);
  position: relative;
  overflow: hidden;
}

/* Background decoration */
.about-us-decoration {
  position: absolute;
  right: -20%;
  bottom: -10%;
  width: 85%;
  opacity: 0.12;
  pointer-events: none;
  z-index: 0;
}

/* Layout */
.combined-box {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 60px;
  width: 100%;
  max-width: 70%;
  margin: 0 auto;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

/* Image */
.photo {
  flex: 1;
  min-width: 250px;
  max-width: 350px;
  display: flex;
  justify-content: center;
}

.photo img {
  width: 100%;
  border-radius: var(--radius-md);
  border: 2px solid var(--color-secondary);
  box-shadow: var(--shadow-xl);
  transition: var(--transition-fast);
}

.photo img:hover {
  transform: translateY(-8px);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
}

/* Text */
.description {
  flex: 1;
  min-width: 250px;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  padding: 15px;
}

.paragraph p {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
  text-align: justify;
}

/* Buttons */
.buttons {
  display: flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.download {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.download button {
  padding: 12px 24px;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-full);
  background: var(--color-tertiary-container);
  color: var(--color-on-tertiary);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: var(--transition-fast);
}

.download button::before {
  content: "";
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: var(--transition-medium);
}

.download button:hover::before {
  transform: translateX(100%);
}

.download button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Portfolio box */
.box {
  padding: 20px;
  height: 150px;
  background-color: var(--color-accent);
  background-image: url("../assets/portfolio.png");
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  background-blend-mode: multiply;
  border-radius: 20px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  transition: var(--transition-fast);
}

.box:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(77, 182, 172, 0.3);
}

.box button {
  width: 100%;
  padding: 10px 20px;
  font-size: 1.2rem;
  font-weight: 600;
  border: none;
  background: transparent;
  color: var(--color-on-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-evenly;
  gap: 8px;
  position: relative;
  overflow: hidden;
}

.box button i {
  font-size: 18px;
  transition: transform 0.3s ease;
}

.box button:hover i {
  transform: translateX(3px);
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}

.modal-content {
  background: #1a2540;
  color: #fff;
  padding: 20px;
  border-radius: 10px;
  width: 90%;
  max-width: 600px;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 10px;
  right: 15px;
  font-size: 28px;
  cursor: pointer;
}

.hidden {
  display: none;
}

/* ================= TABLET ================= */

@media (max-width: 768px) {
  .combined-box {
    max-width: 85%;
    gap: 40px;
  }

  .about-us-decoration {
    right: 50%;
    bottom: -15%;
    transform: translateX(50%);
    width: 90%;
  }
}

/* ================= MOBILE ================= */

@media (max-width: 480px) {
  .about-us {
    padding: var(--spacing-md);
  }

  .combined-box {
    flex-direction: column;
    max-width: 100%;
    gap: var(--spacing-md);
  }

  .photo {
    max-width: 300px;
  }

  .description {
    width: 100%;
    padding: 0;
    text-align: center;
  }

  .paragraph p {
    text-align: center;
  }

  .buttons {
    justify-content: center;
  }

  .download button {
    width: 100%;
    max-width: 240px;
    margin: 0 auto;
  }

  .about-us-decoration {
    right: 50%;
    bottom: -20%;
    transform: translateX(50%);
    width: 100%;
  }
}

/* =====================================================================
PROJECT SECTION
===========================================================================*/
.project_body {
  background: var(--color-surface);
}

.project_wrapper {
  background: #111b38;
  border: 1.5px solid var(--color-tertiary);
  border-radius: 10px;
  padding: 25px 25px 30px 25px;
  margin: 18px auto;
  width: 85%;
  position: relative;
}

.project_small_tag {
  position: absolute;
  top: 12px;
  left: 20px;
  background: var(--color-secondary-container);
  color: var(--color-primary);
  font-weight: bold;
  border-radius: 16px 7px 16px 7px;
  padding: 2px 14px;
  font-size: 18px;
  border: 1.5px solid var(--color-primary);
  z-index: 2;
  letter-spacing: 2px;
}

.project_container {
  display: grid;
  grid-template-columns: 300px 1fr 400px;
  grid-template-rows: 1fr auto;
  gap: 20px;
  align-items: stretch;
}

.project_title_box,
.project_point,
.project_video {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100%;
}

.project_title_box {
  background: var(--color-tertiary-container);
  border-radius: 10px;
  padding: 28px 18px 18px 18px;
  color: #fff;
  font-family: "Georgia", serif;
  text-align: center;
  grid-column: 1/2;
  grid-row: 1/3;
  align-self: start;
}

.project_title_box h3 {
  font-size: 2em;
  font-weight: bold;
  margin: 0 0 16px 0;
  line-height: 1.1;
}

.project_title_box a {
  text-decoration: none;
  color: var(--color-heading);
}

.project_tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 10px;
  margin-top: 20px;
  justify-content: center;
}

.project_video video {
  width: 100%;
  height: auto;
  border-radius: 9px;
  display: block;
}

.project_video .video-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
}

.project_video .video-buttons {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  gap: 10px;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.project_video .video-wrapper:hover .video-buttons {
  opacity: 1;
  pointer-events: auto;
}

.project_video .video-btn {
  background: var(--color-tertiary-container);
  color: var(--color-on-tertiary-container);
  padding: 8px 16px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
}

.project_video .video-btn:hover {
  background: var(--color-secondary);
  color: var(--color-on-secondary);
}

.project_video .always-show {
  opacity: 1 !important;
  pointer-events: auto !important;
}

.project_video::after {
  position: absolute;
  right: 16px;
  bottom: 14px;
  color: #fff;
  font-size: 28px;
  opacity: 0.55;
}

.project_point {
  background: var(--color-tertiary-container);
  border-radius: 10px;
  padding: 22px 18px 18px 18px;
  color: #fff;
  font-family: "Georgia", serif;
  grid-column: 3/4;
  grid-row: 1/3;
  align-self: start;
}

.project_point .project_title h3 {
  font-size: 1.45em;
  font-weight: bold;
  margin-bottom: 13px;
}

.project_info {
  grid-column: 1/-1;
  grid-row: 3/4;
  background: none;
  margin-top: 12px;
  color: #ddd;
  font-size: 1.13em;
  line-height: 1.58;
  padding: 0 4px;
}

.project_info p {
  columns: 2;
  background: var(--color-secondary-container);
  border-radius: 7px;
  padding: 15px 18px;
  margin: 0;
  color: #fff;
  font-family: "Inter", Arial, sans-serif;
  letter-spacing: 0.05em;
}

.project_option {
  display: flex;
  gap: 18px;
  justify-content: center;
  margin: -20px auto 15px auto;
  max-width: 800px;
}

.project_button {
  background: var(--color-secondary-container);
  border: 1.5px solid var(--color-on-tertiary);
  border-radius: 30px;
  color: var(--color-on-tertiary);
  font-weight: 800;
  padding: 10px 25px;
  cursor: pointer;
  transition: background-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
  user-select: none;
  box-shadow: inset 0 0 0 0 transparent;
}

.project_button:hover {
  background: var(--color-tertiary-container);
  border: none;
  color: #fff;
  /* box-shadow: 0 0 10px rgba(255, 151, 112, 0.6); */
}

.project_button:active {
  background: var(--color-tertiary);
  box-shadow: 0 0 15px rgba(255, 151, 112, 0.8);
  color: #fff;
}

.project_button.selected {
  background: var(--color-tertiary-container);
  color: #fff;
  box-shadow: 0 0 12px rgba(255, 151, 112, 0.7);
  border-color: var(--color-tertiary);
}

.project_info p {
  opacity: 0;
  transform: translateY(40px);
  color: var(--color-on-secondary-container);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.project_wrapper.visible .project_info p {
  opacity: 1;
  transform: translateY(0);
}

#projectCard {
  perspective: 1000px;
  will-change: transform, opacity;
  transition: transform 0.4s ease, opacity 0.4s ease;
  transform-style: preserve-3d;
  opacity: 1;
  transform: rotateY(0deg);
  pointer-events: auto;
}

#projectCard.flipping {
  opacity: 0;
  transform: rotateY(90deg);
  pointer-events: none;
}

#projectCard {
  backface-visibility: hidden;
}

.selected-tag {
  background: var(--color-primary) !important;
  color: #fff !important;
  border-color: #fff !important;
  box-shadow: 0 0 8px rgba(28, 49, 47, 0.3);
  transform: scale(1.08);
}

.project_small_tag {
  color: #fff !important;
  background: var(--color-primary) !important;
}

.project_tags_row .project_small_tag {
  position: static !important;
  border-radius: 12px;
  padding: 6px 14px;
  font-size: 1.15rem;
  cursor: pointer;
  user-select: none;
}

.project_tech {
  background: var(--color-secondary-container);
  padding: 8px 16px;
  border-radius: 20px;
  color: var(--color-on-secondary-container);
}

.project_tags_container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  max-width: 600px;
  margin: 20px auto;
  user-select: none;
}

.project_tags_row {
  padding: 8px;
  display: flex;
  overflow-x: auto;
  scroll-behavior: smooth;
  gap: 12px;
  width: calc(100% - 80px);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.project_small_tag {
  flex: 0 0 104px;
  text-align: center;
  cursor: pointer;
  user-select: none;
  padding: 6px 14px;
  font-size: 1.15rem;
  border-radius: var(--radius-md);
  background: var(--color-secondary-container);
  color: var(--color-primary);
  transition: all 0.2s;
  white-space: nowrap;
}

.tags-scroll-btn {
  color: var(--color-on-primary-container);
  /* background: var(--color-primary); */
  border: none;
  font-size: 1.8rem;
  width: 40px;
  height: 40px;
  cursor: pointer;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;
}

.tags-scroll-btn:hover {
  background: var(--color-tertiary);
}

@media (max-width: 1024px) {
  .project_wrapper {
    width: 95%;
    padding: 20px;
    margin: 15px auto;
  }

  .project_container {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    gap: 16px 16px;
  }

  .project_title_box {
    grid-column: 1 / 2;
    grid-row: 1 / 2;
    padding: 20px 15px 15px 15px;
  }

  .project_video {
    grid-column: 2 / 3;
    grid-row: 1 / 2;
    min-height: 180px;
  }

  .project_point {
    grid-column: 1 / 3;
    grid-row: 2 / 3;
    padding: 15px;
  }

  .project_info {
    grid-column: 1 / 3;
    grid-row: 3 / 4;
    margin-top: 10px;
  }

  .project_tags_container {
    max-width: 90vw;
  }
  .project_small_tag {
    flex: 0 0 calc((90vw - 80px) / 5);
    font-size: 1rem;
    padding: 5px 10px;
  }
  .tags-scroll-btn {
    width: 35px;
    height: 35px;
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .project_wrapper {
    width: 100%;
    margin: 10px 0;
    padding: 15px;
  }

  .project_tech {
    background: var(--color-tertiary-container);
  }

  .project_container {
    display: block;
    grid-template-columns: none;
    grid-template-rows: none;
    gap: 0;
  }

  .project_title_box {
    background: transparent !important;
    padding: 10px 5px;
    text-align: left;
    box-shadow: none;
    border-radius: 0;
    grid-column: auto;
    grid-row: auto;
  }

  .project_title_box h3 {
    font-size: 1.8em;
    margin: 0;
    cursor: pointer;
    color: var(--color-on-primary);
  }

  .project_title_box a {
    margin: 0;
    cursor: pointer;
    color: var(--color-accent);
  }

  .project_video {
    background: #4a5170;
    border-radius: 9px;
    min-height: 200px;
    margin: 12px 0;
    position: relative;
  }

  .project_wrapper.expanded .project_info {
    display: block;
    background: var(--color-secondary-container);
    color: var(--color-on-secondary-container);
    border-radius: 7px;
    padding: 15px 18px;
    color: #fff;
    font-family: "Inter", Arial, sans-serif;
    letter-spacing: 0.05em;
    margin-top: 10px;
  }

  .project_wrapper.expanded .project_point {
    display: block;
    margin-top: 10px;
    padding: 10px 15px;
    background: var(--color-tertiary-container);
    border-radius: 10px;
    color: #fff;
    font-family: "Georgia", serif;
  }

  .project_tags_row {
    display: flex !important;
    overflow-x: auto;
    padding: 8px 0;
    gap: 8px;
    justify-content: start;
    margin: 16px 0;
  }

  .project_small_tag {
    flex: 0 0 auto;
    padding: 6px 12px;
    font-size: 1rem;
  }

  .project_option {
    flex-wrap: wrap;
    max-width: 100%;
    margin: 10px auto;
  }

  .project_button {
    flex: 1 1 auto;
    min-width: 120px;
    margin: 4px;
    font-size: 1rem;
    padding: 8px 16px;
  }

  .project_tags_container {
    max-width: 100%;
    gap: 8px;
  }

  .project_tags_row {
    padding: 4px;
    overflow-x: auto;
    width: 80%;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
  }

  .project_small_tag {
    flex: 0 0 calc((80% - 32px) / 3);
    font-size: 0.9rem;
    padding: 8px 8px;
    scroll-snap-align: start;
    white-space: nowrap;
  }

  .project_info p {
    column-count: 1;
  }
}

/* ==============================================================================
  STUDIES SECTION
  =============================================================================== */
.study_container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 60px;
  width: 100%;
  max-width: 90%;
}

.education {
  width: 100%;
  min-height: 100px;
  padding: 32px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.skill {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.decoration {
  position: absolute;
  right: 5%;
  bottom: -15%;
  width: 85%;
  opacity: 0.07;
  pointer-events: none;
  z-index: 0;
}

/* ================= SKILLS CIRCLE ================= */

.skills-container {
  position: relative;
  width: clamp(300px, 40vw, 500px);
  aspect-ratio: 1 / 1;
  border-radius: 50%;
}

/* ================= BUBBLES ================= */

.bubble {
  position: absolute;
  border-radius: 50%;
  border: 3px solid var(--color-on-tertiary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  background: var(--color-tertiary-container);
  overflow: hidden;
}

.bubble img {
  width: 70%;
  height: 70%;
  object-fit: contain;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.bubble-label {
  color: var(--color-on-tertiary);
  font-weight: 700;
  font-size: clamp(0.75rem, 1.2vw, 1.1rem);
  text-align: center;
  margin-top: -35%;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  white-space: nowrap;
}

.bubble:hover {
  transform: scale(1.1);
  background: radial-gradient(
      circle at 30% 30%,
      var(--color-secondary),
      var(--color-tertiary)
    ),
    var(--color-secondary-container);
}

.bubble:hover .bubble-label {
  opacity: 1;
}

.bubble:hover img {
  opacity: 0;
}

/* ================= BUBBLE POSITIONS ================= */

.bubble_html {
  width: 28%;
  aspect-ratio: 1;
  left: 50%;
  top: 12%;
}
.bubble_css {
  width: 26%;
  aspect-ratio: 1;
  left: 25%;
  top: 35%;
}
.bubble_dsa {
  width: 26%;
  aspect-ratio: 1;
  left: 25%;
  top: 35%;
}
.bubble_js {
  width: 24%;
  aspect-ratio: 1;
  left: 65%;
  top: 60%;
}
.bubble_figma {
  width: 22%;
  aspect-ratio: 1;
  left: 78%;
  top: 25%;
}
.bubble_node {
  width: 20%;
  aspect-ratio: 1;
  left: 37%;
  top: 70%;
}
.bubble_python {
  width: 20%;
  aspect-ratio: 1;
  left: 80%;
  top: 70%;
}
.bubble_react {
  width: 18%;
  aspect-ratio: 1;
  left: 15%;
  top: 70%;
}
.bubble_java {
  width: 16%;
  aspect-ratio: 1;
  left: 10%;
  top: 35%;
}
.bubble_doodle {
  width: 28%;
  aspect-ratio: 1;
  left: 28%;
  top: 38%;
}

/* ================= SKILL TEXT ================= */

.skill p {
  font-size: 1rem;
  color: var(--color-text);
  text-align: center;
  margin-bottom: 16px;
  font-weight: 600;
  user-select: none;
  letter-spacing: 0.02em;
  opacity: 0.9;
}

/* ================= TIMELINE ================= */

.timeline {
  position: relative;
  margin-left: 36px;
  padding-left: 20px;
}

.time_1 {
  position: relative;
  margin-bottom: 36px;
  display: flex;
  align-items: flex-start;
}

.logos {
  position: absolute;
  left: -38px;
  top: 0;
  color: var(--color-primary);
  font-size: 1.4em;
}

.info {
  border-radius: 8px;
  min-width: 200px;
  max-width: 520px;
}

.college_name {
  margin: 0 8px 0 0;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-heading);
  display: inline;
}

.college span {
  font-size: 0.97rem;
  color: var(--color-text);
  margin-left: 12px;
}

.edu_info p {
  margin: 6px 0;
  color: var(--color-text);
  font-size: 1rem;
  font-weight: 500;
}

/* ================= TABLET ================= */

@media (max-width: 768px) {
  .study_container {
    gap: 40px;
    max-width: 95%;
  }

  .skills-container {
    width: clamp(280px, 50vw, 400px);
  }
}

/* ================= MOBILE ================= */

@media (max-width: 480px) {
  .study_container {
    flex-direction: column;
    gap: 40px;
    max-width: 100%;
    padding: var(--spacing-md) 0;
  }

  .skills-container {
    width: clamp(260px, 80vw, 320px);
  }

  .decoration {
    display: none;
  }

  .education {
    width: 100%;
    padding: var(--spacing-lg) var(--spacing-md);
  }
}

/* ==============================================================================
  HACKATHON SECTION
  =========================================================================== */

.hac_cert_container {
  justify-content: center;
  width: 100%;
  display: flex;
  flex-direction: row;
  gap: 50px;
}

.hac_wrapper {
  width: calc(300px * 3 + 30px * 2);
  overflow: hidden;
  margin: auto;
}

.hac_container {
  width: 100%;
  display: flex;
  flex-direction: row;
  gap: 30px;
  justify-content: flex-start;
  padding: 40px 0;
  flex-wrap: nowrap;
  transition: transform 0.5s ease;
}

.hac_card {
  min-width: 300px;
  max-height: 700px;
  padding: 20px;
  border-radius: 20px;
  border: 2px solid var(--color-border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--color-on-secondary-container);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: transform 0.3s ease;
  gap: 16px;
}

.hac_card:hover {
  transform: translateY(-5px);
}

.hac_circles {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 20px;
  width: calc(360px * 3 + 30px * 2);
  margin-left: auto;
  margin-right: auto;
}

.hac_description {
  padding: 15px;
  flex: 1;
  min-width: 250px;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  box-sizing: border-box;
}

.hac_image {
  position: relative;
  width: 90%;
  height: 110px;
  border-radius: 10px;
  overflow: visible;
}

.hac_image img {
  position: absolute;
  left: 50%;
  bottom: -20px;
  transform: translateX(-50%);
  width: 90%;
  height: auto;
  transition: transform 0.4s ease;
}

.learn-more {
  background-color: var(--color-primary);
  padding: 10px 20px;
  border-radius: 10px;
  color: white;
  font-weight: 600;
  text-decoration: none;
  transition: background-color 0.3s ease;
}

.learn-more:hover {
  background-color: var(--color-on-tertiary-container);
}

.view_more_btn {
  display: flex;
  justify-content: center;
  margin-top: 30px;
}

.view_more_btn button {
  background: var(--color-secondary);
  color: var(--color-heading);
  border: none;
  padding: 12px 24px;
  font-size: 1.1rem;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.2s ease, filter 0.3s ease;
}

.view_more_btn button:hover {
  background: var(--color-primary);
  transform: scale(1.05);
  filter: brightness(1.1);
}

.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
}

.modal-content {
  background: var(--color-secondary-container);
  margin: 8% auto;
  padding: 20px;
  border-radius: 8px;
  width: 80%;
  height: auto;
  max-width: 700px;
  position: relative;
  color: var(--color-text);
}

.hidden {
  display: none;
}

.close {
  position: absolute;
  right: 15px;
  top: 10px;
  font-size: 28px;
  cursor: pointer;
  color: var(--color-primary);
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
}

.modal.hidden {
  display: none;
}

.modal-content {
  background: #fffaf2;
  width: 70%;
  max-width: 800px;
  max-height: 80vh; /* KEY */
  overflow-y: auto; /* KEY */
  padding: 30px;
  border-radius: 16px;
  position: relative;
}

.modal-content p {
  margin-bottom: 1rem;
  line-height: 1.6;
}

.modal-content ul {
  margin: 1rem 0;
  padding-left: 1.2rem;
}

.modal-content li {
  margin-bottom: 0.5rem;
}

@media (max-width: 1024px) {
  .hac_wrapper {
    width: calc(250px * 3 + 20px * 2);
  }

  .hac_card {
    min-width: 250px;
  }

  .hac_container {
    gap: 20px;
  }
}

@media (max-width: 768px) {
  body,
  html {
    overflow-x: hidden;
  }

  .hac_wrapper {
    width: 100% !important;
    overflow: visible !important;
    padding: 0 10px;
  }

  .hac_container {
    display: flex !important;
    flex-direction: column !important;
    gap: 20px;
    overflow: visible !important;
    justify-content: center;
    transform: none !important;
    transition: none !important;
  }

  .hac_card {
    min-width: 100% !important;
    max-width: 100% !important;
    width: 100% !important;
    margin: 0 !important;
    padding: 20px 10px;
    box-sizing: border-box;
  }

  .hac_image {
    position: relative;
    width: 80%;
    height: 100px;
    border-radius: 10px;
    overflow: visible;
  }

  .hac_image img {
    position: absolute;
    left: 50%;
    bottom: -20px;
    transform: translateX(-50%);
    width: 80%;
    height: auto;
    transition: transform 0.4s ease;
  }

  .cloned-card {
    display: none !important;
  }

  .hac_circles {
    width: 100%;
    margin: 20px auto;
    justify-content: center;
  }

  .view_more_btn {
    display: none;
  }
}

.contact_container {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--spacing-xl) var(--spacing-lg);
}

.contact_div {
  backdrop-filter: blur(20px);
  border-radius: 30px;
  padding: var(--spacing-xxl);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xxl);
  max-width: 1000px;
  width: 100%;
  position: relative;
  overflow: hidden;
}

.contact_div::before,
.contact_div::after {
  content: "";
  position: absolute;
  background: linear-gradient(
    135deg,
    var(--color-secondary),
    var(--color-primary)
  );
  border-radius: 50%;
  z-index: 0;
}

.contact_div::before {
  top: -50px;
  right: -50px;
  width: 150px;
  height: 150px;
  opacity: 0.1;
}

.contact_div::after {
  bottom: -80px;
  left: -80px;
  width: 200px;
  height: 200px;
  opacity: 0.08;
}

.contact_msg,
.contact_image {
  position: relative;
  z-index: 1;
}

.contact_head {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: var(--spacing-md);
}

.contact_heading {
  font-size: 1rem;
  color: var(--color-text);
  line-height: 1.6;
  margin-bottom: var(--spacing-xl);
}

#contact-form {
  max-width: 600px;
  padding: var(--spacing-lg);
}

#contact-form input,
#contact-form textarea {
  width: 100%;
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  font-size: 1rem;
  border: none;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.9);
  color: var(--color-on-secondary);
  font-family: inherit;
  resize: vertical;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

#contact-form input:focus,
#contact-form textarea:focus {
  outline: none;
  background: #fff;
  box-shadow: 0 0 0 3px rgba(94, 114, 228, 0.2);
}

#contact-form button {
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: 1rem;
  background: var(--color-heading);
  border: none;
  border-radius: var(--radius-md);
  color: #fff;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

#contact-form button:hover,
#contact-form button:focus {
  background: var(--color-primary);
}

#sent-popup {
  position: fixed;
  top: 40%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: #fff;
  padding: 20px 30px;
  border: 2px solid var(--color-primary);
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(77, 182, 172, 0.3);
  font-size: 1.1rem;
  color: #064300;
  z-index: 10000;
  text-align: center;
}

.hidden {
  display: none;
}

.contact_image {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.contact_image img {
  max-width: 100%;
  height: auto;
  margin-bottom: var(--spacing-lg);
  filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.1));
}

.contact_detail {
  width: 100%;
}

.contact_contact {
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-lg);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.phone,
.email {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

.contact_contact i {
  font-size: 1.2rem;
  color: var(--color-on-tertiary);
  width: 24px;
  text-align: center;
}

.contact_logo {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
}

.contact_logo a {
  font-size: 1.8rem;
  color: var(--color-on-tertiary);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.contact_logo a:hover {
  transform: scale(1.1) rotate(-3deg);
  opacity: 0.8;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* ================= MOBILE ================= */

@media (max-width: 768px) {
  .contact_container {
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .contact_div {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
  }

  .contact_head {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .contact_container {
    padding: var(--spacing-md);
  }

  .contact_div {
    padding: var(--spacing-md);
    border-radius: 20px;
  }

  .contact_msg {
    width: 100%;
  }

  .contact_heading {
    width: 97%;
  }

  #contact-form {
    width: 97%;
  }

  .contact_head {
    font-size: 1.8rem;
  }
  .contact_image {
    display: none;
  }

  #contact-form {
    padding: 0;
  }
}