/* --------------------
   0. CSS RESET & VARIABLES
   -------------------- */

:root {
  --font-heading: "Poppins", sans-serif;
  --font-body: "Inter", sans-serif;

  --color-bg: #0a0a0a;
  --color-text: #eaeaea;
  --color-text-muted: #a0a0a0;
  --color-primary: #ffffff;
  --color-border: #333333;
}

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

html, body {
  position: relative;
  cursor: none;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg); /* This is the fallback color */
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ==================================
  NEW 3-LAYER PARALLAX BACKGROUND
==================================
*/

/* LAYER 2: THE STARS (FIXED) */
#stars-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2; /* Puts it BEHIND everything */
}

/* LAYER 1: SCROLLING SECTION BACKGROUNDS */
.background-section {
  position: relative; /* This is the container */
  overflow: hidden;  /* This "clips" the image */
  z-index: 1; /* Sits on top of the star canvas */
}

.section-bg-image {
  /*
    This is the KEY for PARALLAX.
    We set it to be absolute and cover the whole section,
    but Locomotive Scroll (using data-scroll-speed)
    will move it at a different speed.
  */
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center center;
  
  /* The "not too visible" effect */
  opacity: 0.1;
  filter: grayscale(100%);
  
  /* Sits BEHIND the content in this section */
  z-index: -1;
}

/* The .container needs a z-index to show up
   on top of the section background */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  position: relative; /* This makes z-index work */
  z-index: 2; /* Sits on top of .section-bg-image */
}

/* Make Hero content sit on top too */
.hero-content {
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 2;
}


/* Hide locomotive-scroll default scrollbar */
.c-scrollbar {
  display: none;
}

/* Base section padding */
section {
  padding: 10rem 0;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  cursor: none;
}

/* --------------------
   1. PRELOADER
   -------------------- */

.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: var(--color-bg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.preloader-text {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 600;
  color: var(--color-primary);
}

.preloader-counter {
  font-family: var(--font-body);
  font-size: 1.5rem;
  color: var(--color-text-muted);
  margin-top: 1rem;
}

/* --------------------
   2. CUSTOM CURSOR
   -------------------- */

.cursor-follower {
  position: fixed;
  width: 20px;
  height: 20px;
  border: 1px solid var(--color-primary);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 9999;
  transition: width 0.3s ease, height 0.3s ease, background-color 0.3s ease,
    mix-blend-mode 0.3s ease;
}

.cursor-follower.cursor-hover {
  width: 60px;
  height: 60px;
  background-color: var(--color-primary);
  mix-blend-mode: difference;
  border: none;
}

body:has(a:hover) .cursor-follower,
body:has(button:hover) .cursor-follower,
body:has(.btn:hover) .cursor-follower,
body:has(.hamburger-menu:hover) .cursor-follower {
  /* fallback for browsers that support :has */
  width: 60px;
  height: 60px;
  background-color: var(--color-primary);
  mix-blend-mode: difference;
  border: none;
}

a,
button,
.btn,
.course-item,
.project-link,
.accordion-button,
.nav-links a,
.contact-socials a,
iframe {
  cursor: none !important;
}

/* --------------------
   3. HEADER / NAVIGATION
   -------------------- */

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 2rem 0;
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo a {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.2rem;
  color: var(--color-primary);
}

.logo span {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1rem;
  color: var(--color-text-muted);
  margin-left: 0.5rem;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
}

.nav-links a {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: letter-spacing 0.3s ease, color 0.3s ease;
}

.nav-links a:hover {
  letter-spacing: 0.2em;
  color: var(--color-primary);
}

.nav-links a.nav-cta {
  border: 1px solid var(--color-border);
  padding: 0.5rem 1rem;
  border-radius: 2rem;
}

.nav-links a.nav-cta:hover {
  background-color: var(--color-primary);
  color: var(--color-bg);
  border-color: var(--color-primary);
}

.hamburger-menu {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: none;
  z-index: 101;
}

.hamburger-menu .line {
  width: 28px;
  height: 2px;
  background-color: var(--color-primary);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.hamburger-menu.active .line-1 {
  transform: translateY(8px) rotate(45deg);
}
.hamburger-menu.active .line-2 {
  transform: translateY(-8px) rotate(-45deg);
}

/* --------------------
   4. HERO SECTION
   -------------------- */

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 2.5rem;
  padding-top: 10rem;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 8vw, 7rem);
  font-weight: 700;
  line-height: 1.1;
  text-transform: uppercase;
  color: var(--color-primary);
}

.hero-title .hero-line {
  display: block;
  opacity: 0;
  transform: translateY(100%);
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-text-muted);
  max-width: 600px;
  margin-top: 2rem;
  line-height: 1.6;
  opacity: 0;
}

/* --------------------
   5. BUTTONS (REMOVED)
   -------------------- */
.btn {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  padding: 1rem 2rem;
  border-radius: 3rem;
  transition: all 0.3s ease;
  display: inline-block;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  overflow: hidden;
}

.btn span {
  display: inline-block;
  transition: transform 0.2s ease;
}

.btn:hover span {
  transform: translateY(-120%);
}

/* --------------------
   6. SHARED SECTION STYLES
   -------------------- */

.section-title {
  margin-bottom: 4rem;
}

.section-title h2 {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.section-title p {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
  line-height: 1.6;
}

.reveal-up {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 1s cubic-bezier(0.165, 0.84, 0.44, 1),
    transform 1s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.reveal-up.is-inview {
  opacity: 1;
  transform: translateY(0);
}

/* --------------------
   7. ABOUT SECTION
   -------------------- */

.about-content {
  display: flex;
  justify-content: space-between;
  gap: 4rem;
}

.about-text {
  flex-basis: 50%;
}

.about-text p {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: 1.5rem;
}

.about-text strong {
  color: var(--color-primary);
  font-weight: 600;
}

.about-text .focus-title {
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    color: var(--color-primary);
    font-weight: 600;
    font-size: 1.1rem;
}
.about-text .focus-list {
    list-style-position: inside;
    margin-left: 0.5rem;
    line-height: 1.7;
    color: var(--color-text-muted);
}
.about-text .focus-outro {
    margin-top: 1.5rem;
}

.about-visual {
  flex-basis: 40%;
}

.about-visual img {
  width: 100%;
  border-radius: 8px;
  filter: grayscale(1);
  transition: filter 0.3s ease;
}

.about-visual img:hover {
  filter: grayscale(0);
}

.about-fun-fact {
  margin-top: 2rem;
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
}

.about-fun-fact p {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text-muted);
}

.about-fun-fact strong {
  color: var(--color-primary);
  font-weight: 500;
}

/* --------------------
   SKILLS SECTION
   -------------------- */
   
.skills-grid-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.skill-category-card {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 2rem;
  background-color: #0c0c0c;
  transition: all 0.3s ease;
}
.skill-category-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-primary);
}
.skill-category-card h2 { 
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 1rem;
}
.skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: flex-start;
}
.skill-item {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--color-text);
  padding: 0.5rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 2rem;
  transition: all 0.3s ease;
}
.skill-item:hover {
  background-color: var(--color-primary);
  color: var(--color-bg);
  border-color: var(--color-primary);
}

/* --------------------
   8. PROJECTS SECTION
   -------------------- */

.project-list {
  display: flex;
  flex-direction: column;
  gap: 8rem;
}

.project-card {
  display: flex;
  gap: 3rem;
  align-items: center;
}

.project-card:nth-child(even) {
  flex-direction: row-reverse;
}

.project-image {
  flex-basis: 60%;
  overflow: hidden;
  border-radius: 8px;
}

.project-image iframe {
    width: 100%;
    aspect-ratio: 16 / 9; 
    border-radius: 8px; 
    border: none; 
}

.project-image img {
  width: 100%;
  transform: scale(1.05);
  transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.project-card:hover .project-image img {
  transform: scale(1);
}

.project-content {
  flex-basis: 40%;
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 1rem;
  margin-bottom: 1rem;
}

.project-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 600;
  color: var(--color-primary);
}

.project-link {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  overflow: hidden; 
}

.project-link span {
  display: inline-block;
  transition: transform 0.2s ease;
}

.project-link:hover span {
  transform: translateY(-120%);
}

.project-tagline {
  font-size: 1.2rem;
  font-style: italic;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.project-description-intro,
.project-description-outro {
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  color: var(--color-text-muted);
}

.project-description-outro {
  margin-top: 1.5rem;
  font-style: italic;
}

.project-tool-list {
  list-style: none;
  padding-left: 0;
  margin-top: 1.5rem;
}

.project-tool-list li {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  padding-left: 2rem; 
  position: relative;
  margin-bottom: 1rem;
}

.project-tool-list li::before {
  content: '✓';
  color: var(--color-primary);
  font-weight: 600;
  position: absolute;
  left: 0;
  top: 0px;
  font-size: 1.2rem;
}

.project-tool-list li strong {
  color: var(--color-text);
  font-weight: 600;
}

.project-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 2rem; 
}

.project-stack span {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  padding: 0.5rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 2rem;
}

/* --------------------
   9. RECOGNITION SECTION (ACCORDION)
   -------------------- */

.accordion-container {
  border-top: 1px solid var(--color-border);
}

.accordion-item {
  border-bottom: 1px solid var(--color-border);
}

.accordion-button {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--color-primary);
  padding: 3rem 1rem;
  transition: background-color 0.3s ease;
  display: block;
  width: 100%;
  background: transparent;
  border: none;
  cursor: none;
  text-align: left;
  position: relative;
  padding-right: 4rem; 
}

.accordion-button span {
  display: block;
  transition: padding-left 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.accordion-button::before,
.accordion-button::after {
  content: '';
  position: absolute;
  right: 1rem;
  top: 50%;
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
  transition: transform 0.3s ease;
}

.accordion-button::after {
  transform: translateY(-50%) rotate(90deg);
}
.accordion-button::before {
   transform: translateY(-50%);
}

.accordion-button:hover {
  background-color: #111;
}
.accordion-button:hover span {
  padding-left: 2rem; 
}

.accordion-button.active::after {
  transform: translateY(-50%) rotate(0deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease-out, padding 0.5s ease-out;
  padding: 0 2rem;
}

.accordion-content.open {
  max-height: 1000px; 
  padding: 2rem 2rem 3rem 2rem;
  transition: max-height 1s ease-in, padding 0.5s ease-in;
}

.course-list {
  list-style: none;
  padding-left: 0;
  color: var(--color-text-muted);
}

.course-list li {
  font-size: 1.1rem;
  line-height: 1.8;
}

.course-item {
  position: relative;
  margin-bottom: 0.9rem;
  padding-left: 1.5rem;
  color: var(--color-text);
  cursor: pointer;
  transition: color 0.25s ease, transform 0.25s ease;
}

.course-item::before {
  content: '•';
  position: absolute;
  left: 0;
  top: 0.25rem;
  color: var(--color-primary);
  font-size: 1.2rem;
}

.course-item:hover,
.course-item:focus {
  color: var(--color-primary);
  transform: translateX(4px);
  outline: none;
}

.course-item:focus-visible {
  outline: 2px dashed var(--color-primary);
  outline-offset: 6px;
}

.certificate-modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  z-index: 1500;
}

.certificate-modal.active {
  display: flex;
}

.certificate-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5, 5, 5, 0.92);
  backdrop-filter: blur(10px);
}

.certificate-modal-content {
  position: relative;
  width: min(100%, 880px);
  max-width: 100%;
  padding: 2rem;
  background: rgba(15, 15, 15, 0.98);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 28px;
  box-shadow: 0 40px 120px rgba(0, 0, 0, 0.45);
  display: grid;
  gap: 1.5rem;
  z-index: 1;
}

.certificate-modal-close {
  position: absolute;
  right: 1rem;
  top: 1rem;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: transparent;
  color: var(--color-text);
  font-size: 1.8rem;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease;
}

.certificate-modal-close:hover {
  transform: scale(1.08);
  background: rgba(255, 255, 255, 0.04);
}

.certificate-modal-copy h2 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3vw, 2.6rem);
  margin-bottom: 0.5rem;
  color: var(--color-primary);
}

.certificate-modal-copy p {
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 0.75rem;
}

.certificate-preview-thumbnail {
  width: 100%;
  max-height: 320px;
  overflow: hidden;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
}

.certificate-preview-thumbnail img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
}

.certificate-preview-card {
  padding: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.04));
  display: grid;
  gap: 1rem;
}

.certificate-preview-badge {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.4em;
  color: var(--color-primary);
  opacity: 0.8;
}

.certificate-preview-title {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  color: var(--color-text);
  line-height: 1.2;
}

.certificate-preview-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

body.no-scroll {
  overflow: hidden;
}

/* --------------------
   10. CONTACT SECTION
   -------------------- */

.contact {
  text-align: center;
}

.contact-socials {
  margin-top: 6rem;
  display: flex;
  justify-content: center;
  gap: 2.5rem;
}

.contact-socials a {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: color 0.3s ease, letter-spacing 0.3s ease;
}

.contact-socials a:hover {
  color: var(--color-primary);
  letter-spacing: 0.2em;
}

/* --------------------
   11. FOOTER
   -------------------- */

.footer {
  padding: 6rem 0 3rem 0;
  text-align: center;
  border-top: 1px solid var(--color-border);
}

.footer p {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.footer-love {
  font-size: 0.9rem;
  margin-bottom: 3rem;
}

.return-to-home {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  overflow: hidden;
}

.return-to-home span {
  display: inline-block;
  transition: transform 0.2s ease;
}
.return-to-home:hover span {
  transform: translateY(-120%);
}

/* --------------------
   12. RESPONSIVENESS
   -------------------- */

/* Tablet ( <= 900px ) */
@media (max-width: 900px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 400px;
    height: 100vh;
    background-color: var(--color-bg);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    transition: right 0.5s cubic-bezier(0.165, 0.84, 0.44, 1);
    z-index: 100;
  }

  .nav-links.active {
    right: 0;
  }

  .nav-links a {
    font-size: 1.5rem;
  }

  .hamburger-menu {
    display: flex;
  }

  .about-content {
    flex-direction: column;
  }

  .about-visual {
    order: -1;
  }

  .project-card,
  .project-card:nth-child(even) {
    flex-direction: column;
    gap: 2rem;
  }

  .project-image {
    flex-basis: auto;
  }

  .project-content {
    flex-basis: auto;
  }

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

/* Mobile ( <= 600px ) */
@media (max-width: 600px) {
  section {
    padding: 6rem 0;
  }

  .container,
  .header-container,
  .hero {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }

  .logo a {
    font-size: 1rem;
  }

  .logo span {
    display: none;
  }
  
  .btn {
    text-align: center;
  }
  
  .accordion-button {
    font-size: 1.8rem;
  }

  .contact-socials {
    flex-direction: column;
    gap: 2rem;
  }

  .skills-grid-container {
    grid-template-columns: 1fr;
  }
}

/* ==================================
  13. AI CHATBOT WIDGET
================================== */

.chatbot-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 2000;
  font-family: var(--font-body);
}

/* Speech Bubble Tooltip Hint */
.chatbot-tooltip {
  position: absolute;
  bottom: 10px;
  right: 80px;
  background: rgba(12, 12, 12, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.75rem 1.25rem;
  border-radius: 12px;
  color: var(--color-text);
  font-size: 0.85rem;
  white-space: nowrap;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(10px);
  opacity: 0;
  transform: translateX(10px);
  pointer-events: none;
  transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  z-index: 1999;
}

.chatbot-tooltip.active {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
}

.chatbot-tooltip-arrow {
  position: absolute;
  top: 50%;
  right: -6px;
  transform: translateY(-50%) rotate(45deg);
  width: 10px;
  height: 10px;
  background: rgba(12, 12, 12, 0.95);
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Pulsing FAB Trigger */
.chatbot-trigger {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(10, 10, 10, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--color-primary);
  font-size: 1.6rem;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 
              0 0 20px rgba(255, 255, 255, 0.05);
  cursor: none !important;
  transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
  backdrop-filter: blur(10px);
  position: relative;
}

.chatbot-trigger:hover {
  transform: scale(1.08);
  border-color: rgba(255, 255, 255, 0.4);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.6), 
              0 0 30px rgba(255, 255, 255, 0.15);
}

.chatbot-trigger-icon {
  display: block;
}

.chatbot-notification-dot {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 12px;
  height: 12px;
  background-color: var(--color-primary);
  border: 2px solid var(--color-bg);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0% { transform: scale(0.85); opacity: 0.5; }
  50% { transform: scale(1.15); opacity: 1; }
  100% { transform: scale(0.85); opacity: 0.5; }
}

/* Chatbox Panel */
.chatbot-box {
  position: absolute;
  bottom: 80px;
  right: 0;
  width: 380px;
  height: 520px;
  border-radius: 20px;
  background: rgba(12, 12, 12, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  transform: translateY(20px) scale(0.95);
  pointer-events: none;
  transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  backdrop-filter: blur(20px);
}

.chatbot-box.active {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

/* Header */
.chatbot-header {
  padding: 1.25rem;
  background: rgba(20, 20, 20, 0.5);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chatbot-header-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.chatbot-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-bg);
  font-weight: 600;
  font-size: 0.9rem;
  display: flex;
  justify-content: center;
  align-items: center;
  letter-spacing: 0.05em;
}

.chatbot-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.2;
}

.chatbot-status {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

.chatbot-status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: #2ec4b6;
  display: inline-block;
  box-shadow: 0 0 8px #2ec4b6;
}

.chatbot-header-actions {
  display: flex;
  gap: 0.5rem;
}

.chatbot-action-btn {
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  font-size: 1.1rem;
  cursor: none !important;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  transition: all 0.2s ease;
}

.chatbot-action-btn:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-primary);
  transform: scale(1.05);
}

/* Settings */
.chatbot-settings {
  background: rgba(18, 18, 18, 0.98);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1.25rem;
  display: none;
  flex-direction: column;
  gap: 0.75rem;
  animation: slideDown 0.3s ease;
}

.chatbot-settings.active {
  display: flex;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.chatbot-settings h4 {
  font-size: 0.9rem;
  color: var(--color-primary);
  margin: 0;
}

.chatbot-settings p {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  line-height: 1.4;
  margin: 0;
}

.chatbot-settings-field {
  display: flex;
  gap: 0.5rem;
}

.chatbot-settings-field input {
  flex: 1;
  background: #141414;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: 0.8rem;
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  outline: none;
}

.chatbot-settings-field input:focus {
  border-color: rgba(255, 255, 255, 0.3);
}

.btn-chat-save {
  background: var(--color-primary);
  color: var(--color-bg);
  border: none;
  font-weight: 500;
  font-size: 0.8rem;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  cursor: none !important;
  transition: opacity 0.2s ease;
}

.btn-chat-save:hover {
  opacity: 0.9;
}

.chatbot-settings-status {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* Messages Area */
.chatbot-messages {
  flex: 1;
  padding: 1.25rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  scroll-behavior: smooth;
}

.chat-message {
  display: flex;
  flex-direction: column;
  max-width: 80%;
  animation: messageFadeIn 0.3s ease forwards;
}

@keyframes messageFadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.chat-message.bot {
  align-self: flex-start;
}

.chat-message.user {
  align-self: flex-end;
}

.message-bubble {
  padding: 0.85rem 1.1rem;
  border-radius: 18px;
  font-size: 0.9rem;
  line-height: 1.5;
}

.bot .message-bubble {
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-text);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-bottom-left-radius: 4px;
}

.user .message-bubble {
  background: var(--color-primary);
  color: var(--color-bg);
  border-bottom-right-radius: 4px;
  font-weight: 500;
}

/* Typing Indicator */
.typing-indicator {
  display: flex;
  gap: 4px;
  padding: 0.6rem 0.85rem;
  align-items: center;
}

.typing-dot {
  width: 6px;
  height: 6px;
  background-color: var(--color-text-muted);
  border-radius: 50%;
  animation: bounce 1.4s infinite ease-in-out both;
}

.typing-dot:nth-child(1) { animation-delay: -0.32s; }
.typing-dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes bounce {
  0%, 80%, 100% { transform: scale(0); }
  40% { transform: scale(1); }
}

/* Suggestion Chips */
.chatbot-suggestions {
  padding: 0.5rem 1rem;
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  scrollbar-width: none; /* Firefox */
  background: rgba(10, 10, 10, 0.2);
  border-top: 1px solid rgba(255, 255, 255, 0.03);
}

.chatbot-suggestions::-webkit-scrollbar {
  display: none; /* Safari/Chrome */
}

.suggestion-chip {
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--color-text);
  font-size: 0.78rem;
  padding: 0.4rem 0.8rem;
  border-radius: 20px;
  cursor: none !important;
  transition: all 0.2s ease;
}

.suggestion-chip:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* Input Area */
.chatbot-input-container {
  padding: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  gap: 0.5rem;
  background: rgba(10, 10, 10, 0.4);
}

.chatbot-input-container input {
  flex: 1;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  color: var(--color-text);
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  outline: none;
  transition: all 0.2s ease;
}

.chatbot-input-container input:focus {
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.05);
}

.chatbot-input-container button {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  display: grid;
  place-items: center;
  cursor: none !important;
  transition: all 0.2s ease;
}

.chatbot-input-container button:hover,
.chatbot-input-container input:not(:placeholder-shown) + button {
  background: var(--color-primary);
  color: var(--color-bg);
  border-color: var(--color-primary);
}

/* Mobile responsive adjustments */
@media (max-width: 480px) {
  .chatbot-container {
    bottom: 1.25rem;
    right: 1.25rem;
  }
  .chatbot-box {
    width: calc(100vw - 2.5rem);
    height: 460px;
    bottom: 70px;
  }
}

/* Custom styles for WattWise project features list */
.project-features-container {
  margin-top: 1.75rem;
  margin-bottom: 1rem;
  border-top: 1px solid var(--color-border);
  padding-top: 1.5rem;
}

.project-features-container .features-title {
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}

.project-feature-list {
  list-style: none;
  padding-left: 0;
  margin-top: 0;
}

.project-feature-list li {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
}

.project-feature-list li strong {
  color: var(--color-text);
  font-weight: 600;
}