/* ================= RESET ================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", sans-serif;
}

/* ================= CENTER ALIGN IMAGES =================*/
.center-img {
  display: block;
  margin-left: auto;
  margin-right: auto;
  /* Optional: Set a width to prevent the image from taking the full width of the page */
  width: 50%;
}

/* ================= BUTTONS ================= */
.btn,
.btnh {
  margin-top: 20px;
  padding: 10px 25px;
  background-color: #f5c518;
  color: #1a1a2e;
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
  display: inline-block;
}

.btn:hover,
.btnh:hover {
  background-color: #e0a800;
}

/* ================= NAVIGATION ================= */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 50px;
  background-color: #1a1a2e;
  color: white;
  position: sticky;
  top: 0;
  z-index: 1000;
}

/* Right side group */
.nav-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-links li {
  display: inline;
  margin-left: 20px;
}

/* ================= NAV LINK UNDERLINE ANIMATION ================= */

.nav-links a {
  position: relative;
  text-decoration: none;
  color: white;
}

/* underline */
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0%;
  height: 2px;
  background-color: #f5c518;
  transition: width 0.3s ease;
}

/* on hover */
.nav-links a:hover::after {
  width: 100%;
}

/* ================= NAV ACTIVE PAGE INDICATOR ================= */

.nav-links a.active {
  color: #f5c518;
}

/* keep underline visible on active page */
.nav-links a.active::after {
  width: 100%;
}

/* ================= HERO ================= */
.hero {
  height: 90vh;
  padding: 40px 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: linear-gradient(120deg, #2980b9, #6dd5fa);
  color: white;
  text-align: center;
}

.hero p {
  white-space: pre-line;
}

/* ================= HERO 2 ================= */
.hero2 {
  height: 55vh;
  padding: 40px 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: linear-gradient(120deg, #82b929, #6dfa84);
  color: white;
  text-align: center;
}

/* ================= SECTIONS ================= */
.projects {
  padding: 50px;
  text-align: center;
}

.projects2 {
  padding: 50px;
  text-align: left;
}

.projects h2,
.projects2 h2 {
  font-size: 2.2em;
  margin-bottom: 15px;
}

.projects p {
  color: #555;
  margin-bottom: 30px;
}

/* ================= PROJECT CARDS ================= */
.project-cards {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
}

.card {
  background: #f0f0f0;
  padding: 20px;
  border-radius: 10px;
  width: 250px;
}

/* Safe hover effect (no animations) */
.card:hover {
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.2);
}

.card img {
  width: 100%;
  border-radius: 5px;
}

.card h3 {
  margin: 12px 0;
}

.card p {
  font-size: 0.95em;
  color: #333;
}

.card a {
  display: inline-block;
  margin-top: 10px;
  text-decoration: none;
  color: #2980b9;
  font-weight: bold;
}

.card a:hover {
  color: #1a1a2e;
}

/* ================= CONTACT ================= */
.contact-info {
  display: flex;
  justify-content: center;
  padding: 2em 1em;
}

.contact-cards {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5em;
  max-width: 900px;
  justify-content: center;
}

.contact-cards .card {
  background: #2c3e50;
  color: #ecf0f1;
  width: 280px;
}

.contact-cards .card p {
  color: #ecf0f1;
}

.contact-cards .card a {
  color: #1abc9c;
  font-weight: bold;
}

.contact-cards .card a:hover {
  text-decoration: underline;
}

/* ================= FOOTER ================= */
footer {
  text-align: center;
  padding: 20px;
  background-color: #1a1a2e;
  color: white;
}

/* ================= RESPONSIVE ================= */
@media (max-width: 650px) {
  nav {
    flex-direction: column;
    gap: 10px;
  }

  .project-cards {
    flex-direction: column;
    align-items: center;
  }

  .contact-cards {
    flex-direction: column;
  }
}

/* ================= PAGE TRANSITION ================= */

body {
  opacity: 1;
  transition: opacity 0.4s ease, transform 0.4s ease;
}

/* when leaving page */
body.page-exit {
  opacity: 0;
  transform: translateY(10px);
}

/* optional: when page loads */
body.page-enter {
  opacity: 0;
  transform: translateY(-10px);
}

/* ================= SAFE HERO ANIMATIONS ================= */

/* Keyframe */
@keyframes heroFadeUp {
  from {
    opacity: 0;
    transform: translateY(25px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Hero base – content ALWAYS visible */
.hero h1,
.hero p,
.hero .btn,
.hero2 h1,
.hero2 p,
.hero2 .btn {
  opacity: 1; /* IMPORTANT: never hidden */
}

/* Animate on page load */
.hero h1 {
  animation: heroFadeUp 0.8s ease both;
}

.hero p {
  animation: heroFadeUp 0.8s ease both;
  animation-delay: 0.2s;
}

.hero .btn {
  animation: heroFadeUp 0.8s ease both;
  animation-delay: 0.4s;
}

/* Hero 2 (About / Projects / etc) */
.hero2 h1 {
  animation: heroFadeUp 0.8s ease both;
}

.hero2 p {
  animation: heroFadeUp 0.8s ease both;
  animation-delay: 0.2s;
}

.hero2 .btn {
  animation: heroFadeUp 0.8s ease both;
  animation-delay: 0.4s;
}

/* ================= CARD SCROLL ANIMATION ================= */

/* Default state: cards visible but ready to animate */
.card {
  opacity: 1;
  transform: translateY(0);
  transition:
          transform 0.35s ease,
          box-shadow 0.35s ease,
          opacity 0.6s ease;
}

/* Scroll-hidden state (added by JS) */
.card.card-hidden {
  opacity: 0;
  transform: translateY(40px);
}

/* Scroll-shown state */
.card.card-show {
  opacity: 1;
  transform: translateY(0);
}

/* Hover rise (works everywhere) */
.card:hover {
  transform: translateY(-10px) scale(1.03);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.25);
}

/* ================= HEADING + TEXT SCROLL ANIMATION ================= */

.reveal {
  opacity: 0;
  transform: translateY(30px);
}

.reveal.show {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

/* Slight delay for paragraphs */
.reveal.delay {
  transition-delay: 0.15s;
}

/* ================= LOADING BAR ================= */

#loading-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  width: 0%;
  background: linear-gradient(90deg, #f5c518, #ffdd57);
  z-index: 9999;
  transition: width 0.3s ease, opacity 0.4s ease;
}

/* ================= BACK TO TOP ================= */

#backToTop {
  position: fixed;
  bottom: 25px;
  right: 25px;
  width: 45px;
  height: 45px;
  border-radius: 50%;
  border: none;
  background-color: #1a1a2e;
  color: #f5c518;
  font-size: 22px;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
  transition: transform 0.3s ease, opacity 0.3s ease, background-color 0.3s;
  z-index: 999;
}

#backToTop:hover {
  transform: translateY(-6px);
  background-color: #111;
}

/* Smooth scroll */
html {
  scroll-behavior: smooth;
}

/* ================= DARK MODE ================= */
/* Activate by adding class="dark" to <body> */

body.dark {
  background-color: #0f1220;
  color: #eaeaf0;
}

#darkToggle {
  margin-right: 20px;
  background: transparent;
  border: 2px solid #f5c518;
  color: #f5c518;
  font-size: 18px;
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.3s, color 0.3s;
}

#darkToggle:hover {
  background-color: #f5c518;
  color: #1a1a2e;
}

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

body.dark nav {
  background-color: #0c0f1a;
}

body.dark .nav-links a {
  color: #eaeaf0;
}

body.dark .nav-links a::after {
  background-color: #f5c518;
}

body.dark .nav-links a.active {
  color: #f5c518;
}

/* ================= HERO ================= */

body.dark .hero {
  background: linear-gradient(120deg, #1b2a4e, #243b6b);
}

body.dark .hero2 {
  background: linear-gradient(120deg, #1e3b1e, #2d6a2d);
}

/* ================= SECTIONS ================= */

body.dark .projects,
body.dark .projects2 {
  background-color: #0f1220;
}

body.dark .projects p {
  color: #cfcfe6;
}

/* ================= CARDS ================= */

body.dark .card {
  background-color: #1a1d2e;
  color: #eaeaf0;
}

body.dark .card p {
  color: #cfcfe6;
}

body.dark .card a {
  color: #7fb4ff;
}

body.dark .card a:hover {
  color: #ffffff;
}

body.dark .card:hover {
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.6);
}

/* ================= CONTACT ================= */

body.dark .contact-info {
  background-color: #0f1220;
}

body.dark .contact-cards .card {
  background-color: #16192b;
}

body.dark .contact-cards .card a {
  color: #5fe1c7;
}

/* ================= FOOTER ================= */

body.dark footer {
  background-color: #0c0f1a;
  color: #cfcfe6;
}

/* ================= BUTTONS ================= */

body.dark .btn,
body.dark .btnh {
  background-color: #f5c518;
  color: #1a1a2e;
}

body.dark .btn:hover,
body.dark .btnh:hover {
  background-color: #ffdb4d;
}

/* ================= BACK TO TOP ================= */

body.dark #backToTop {
  background-color: #1a1d2e;
  color: #f5c518;
}

body.dark #backToTop:hover {
  background-color: #000;
}

/* ================= LOADING BAR ================= */

body.dark #loading-bar {
  background: linear-gradient(90deg, #f5c518, #ffdd57);
}

/* ================= THEME TOGGLE BUTTON ================= */

#themeToggle {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: #f5c518;
  margin-left: 20px;
  transition: transform 0.25s ease;
}

#themeToggle:hover {
  transform: rotate(20deg) scale(1.1);
}

/* Dark mode icon tweak */
body.dark #themeToggle {
  color: #ffdd57;
}

/* ================= Typing Cursor for homepage ================= */

#typing-para::after {
  content: "|";
  margin-left: 4px;
  animation: blink 1s infinite;
}

@keyframes blink {
  0%, 50%, 100% { opacity: 1; }
  25%, 75% { opacity: 0; }
}