/* ========================================
   SAI EESHWAR D — PORTFOLIO (Multi-Page)
   Accent on Dark (#0a0a0a)
   ======================================== */

:root {
  --accent: #5eead4;
  --accent-hover: #2dd4bf;
  --accent-dim: rgba(94, 234, 212, 0.12);
  --bg-dark: #0a0a0a;
  --bg-card: #141414;
  --bg-card-hover: #1c1c1c;
  --bg-nav: rgba(10, 10, 10, 0.92);
  --text-primary: #f0f0f0;
  --text-secondary: #9a9a9a;
  --text-muted: #5a5a5a;
  --border: #222222;
}

/* ===== RESET & GLOBAL ===== */

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

body {
  font-family: 'Inter', sans-serif;
  color: var(--text-primary);
  background: var(--bg-dark);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}
a:hover { color: var(--accent-hover); text-decoration: none; }

::selection { background: var(--accent); color: var(--bg-dark); }

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

.text-accent { color: var(--accent) !important; }

/* ===== TOP NAVBAR ===== */

#topNav {
  background: rgba(14, 14, 14, 0.96);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding: 0.9rem 0;
  transition: all 0.3s;
}

#topNav.scrolled {
  padding: 0.55rem 0;
  background: rgba(14, 14, 14, 0.98);
}

.brand-name {
  font-family: 'Poppins', sans-serif;
  font-weight: 800;
  font-size: 1.6rem;
  color: var(--text-primary);
}

#topNav .nav-link {
  font-family: 'Poppins', sans-serif;
  font-weight: 500;
  font-size: 0.88rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
  padding: 0.5rem 1rem;
  transition: color 0.2s;
}

#topNav .nav-link:hover {
  color: rgba(255, 255, 255, 0.95);
}

#topNav .nav-item.active .nav-link {
  color: var(--text-primary);
  font-weight: 600;
}

.nav-resume {
  border: 1px solid rgba(94, 234, 212, 0.4);
  border-radius: 6px;
  color: var(--accent) !important;
  padding: 0.35rem 1rem !important;
  margin-left: 0.75rem;
  font-weight: 600 !important;
}

.nav-resume:hover {
  background: var(--accent);
  color: var(--bg-dark) !important;
  border-color: var(--accent);
}

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

.hero-section {
  padding-top: 120px;
  padding-bottom: 1rem;
  display: flex;
  align-items: center;
}

.hero-greeting {
  font-size: 1rem;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.hero-name {
  font-size: 3.8rem;
  line-height: 1.1;
  margin-bottom: 1rem;
}

.hero-typed {
  font-family: 'Poppins', sans-serif;
  font-size: 1.3rem;
  font-weight: 300;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  min-height: 2rem;
}

.hero-typed .typed-cursor { color: var(--accent); }

#typed { color: var(--accent); font-weight: 600; }

.hero-bio {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-secondary);
  max-width: 580px;
  margin-bottom: 2rem;
}

.hero-bio strong { color: var(--text-primary); }
.hero-highlight { font-size: 1.25rem; font-weight: 700; color: var(--text-primary); }

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
}

.hero-profile {
  width: 320px;
  height: 320px;
  border-radius: 20px;
  object-fit: cover;
  border: 3px solid var(--border);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

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

.btn-accent {
  background: var(--accent);
  color: var(--bg-dark);
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.7rem 2rem;
  border-radius: 6px;
  border: 2px solid var(--accent);
  transition: all 0.25s;
  letter-spacing: 0.02em;
}

.btn-accent:hover {
  background: transparent;
  color: var(--accent);
}

.btn-outline-accent {
  background: transparent;
  color: var(--accent);
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.7rem 2rem;
  border-radius: 6px;
  border: 2px solid var(--accent);
  transition: all 0.25s;
  letter-spacing: 0.02em;
}

.btn-outline-accent:hover {
  background: var(--accent);
  color: var(--bg-dark);
}

.btn-sm { padding: 0.4rem 1rem; font-size: 0.8rem; }
.btn-block { display: block; width: 100%; text-align: center; }

/* ===== SOCIAL ICONS ===== */

.social-icons a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.8rem;
  height: 2.8rem;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 1rem;
  margin-right: 0.6rem;
  transition: all 0.25s;
}

.social-icons a:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg-dark);
}

.social-icons-sm a {
  width: 2.2rem;
  height: 2.2rem;
  font-size: 0.85rem;
  margin-right: 0.4rem;
}

/* ===== SECTION RHYTHM ===== */

.latest-section,
.experience-preview-section,
.skills-strip-section,
.recipe-section,
.contact-cta-section {
  border-top: 1px solid var(--border);
}

.section-alt {
  background: #0e0e0e;
}

/* ===== ABOUT SNAPSHOT ===== */

.about-snapshot {
  padding: 5rem 0;
}

.about-text {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

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

.about-quick {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
}

.about-quick-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0;
  font-size: 0.95rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
}

.about-quick-item:last-child { border-bottom: none; }
.about-quick-item i { width: 1.2rem; text-align: center; font-size: 0.9rem; }

/* ===== SECTION HEADINGS ===== */

.section-heading {
  font-size: 2rem;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

/* green underline removed — the .text-accent dot serves as the design constant */

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.see-all {
  font-family: 'Poppins', sans-serif;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--accent);
}

/* ===== FEATURED SECTION ===== */

.featured-section {
  padding: 5rem 0;
  background: linear-gradient(180deg, var(--bg-dark) 0%, #0e0e0e 100%);
}

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

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  height: 100%;
  transition: all 0.3s;
  position: relative;
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(94, 234, 212, 0.35);
}

.project-card h4 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.project-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.65;
  flex: 1;
}

.project-card p strong {
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.02em;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 1rem;
}

.project-tags span {
  font-size: 0.7rem;
  font-family: 'Poppins', sans-serif;
  font-weight: 500;
  padding: 0.2rem 0.55rem;
  border-radius: 20px;
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid rgba(94, 234, 212, 0.2);
}

.project-links {
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

.project-links a {
  font-size: 0.82rem;
  font-weight: 500;
  margin-right: 1rem;
}

.badge-current, .badge-live, .badge-published {
  display: inline-block;
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 0.6rem;
  padding: 0.25rem 0.55rem;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.badge-current { background: var(--accent); color: var(--bg-dark); }
.badge-live { background: #4CAF50; color: #fff; }
.badge-published { background: #2196F3; color: #fff; }

/* ===== PAGE HEADER ===== */

.page-header {
  padding: 8rem 0 3rem;
}

.page-title {
  font-size: 2.8rem;
  margin-bottom: 0.5rem;
}

.page-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 600px;
}

/* ===== FILTER TAGS ===== */

.filter-section { padding: 0 0 2rem; }

.filter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-btn {
  font-family: 'Poppins', sans-serif;
  font-weight: 500;
  font-size: 0.82rem;
  padding: 0.4rem 1.2rem;
  border-radius: 25px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
}

.filter-btn:hover, .filter-btn.active {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

/* ===== PROJECTS SECTION ===== */

.projects-section { padding: 0 0 5rem; }

/* ===== HORIZONTAL TIMELINE (EXPERIENCE) ===== */

.experience-section { padding: 0 0 4rem; }

/* --- Horizontal (desktop) --- */
.h-timeline-wrapper {
  overflow-x: auto;
  overflow-y: hidden;
  padding: 1rem 0 2rem;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
  position: relative;
  z-index: 1;
}

/* Right-edge gradient fade — signals more content */
.h-timeline-wrapper::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 80px;
  background: linear-gradient(to right, transparent, var(--bg-dark));
  pointer-events: none;
  z-index: 3;
}

.section-alt .h-timeline-wrapper::after {
  background: linear-gradient(to right, transparent, #0e0e0e);
}

/* Scroll hint text */
.scroll-hint {
  text-align: center;
  font-family: 'Poppins', sans-serif;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  padding-top: 0.5rem;
}

.scroll-hint i {
  font-size: 0.65rem;
  margin-right: 0.3rem;
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

@media (max-width: 768px) {
  .scroll-hint { display: none; }
  .h-timeline-wrapper::after { display: none; }
}

.h-timeline-wrapper::-webkit-scrollbar { height: 4px; }
.h-timeline-wrapper::-webkit-scrollbar-track { background: transparent; }
.h-timeline-wrapper::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.h-timeline {
  display: flex;
  position: relative;
  padding: 1rem 2rem 0;
  gap: 0;
  width: max-content;
}

.h-timeline-line {
  position: absolute;
  top: calc(1rem + 8px);
  left: 2rem;
  right: 2rem;
  height: 2px;
  background: var(--border);
}

.h-timeline-item {
  position: relative;
  width: 380px;
  min-width: 0;
  flex-shrink: 0;
  padding-top: 2rem;
}

.h-timeline-dot {
  position: absolute;
  top: 1px;
  left: 0;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--bg-dark);
  z-index: 2;
}

.h-timeline-date {
  display: block;
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 0.75rem;
  color: var(--accent);
  margin-bottom: 0.6rem;
  white-space: nowrap;
}

.h-timeline-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.2rem;
  margin-right: 1.5rem;
  transition: border-color 0.3s;
  overflow: hidden;
  overflow-wrap: break-word;
  word-wrap: break-word;
}

.h-timeline-card:hover { border-color: var(--accent); }

.h-timeline-card h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  overflow-wrap: break-word;
}

.h-timeline-company {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.h-timeline-card > p:last-child {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* --- Vertical (mobile) --- */
@media (max-width: 768px) {
  .h-timeline-wrapper {
    overflow-x: visible;
    padding: 0;
  }

  .h-timeline {
    flex-direction: column;
    width: 100%;
    padding: 0 0 0 1.5rem;
    gap: 0;
  }

  .h-timeline-line {
    top: 0;
    bottom: 0;
    left: 0.55rem;
    right: auto;
    width: 2px;
    height: auto;
  }

  .h-timeline-item {
    width: 100%;
    min-width: 0;
    padding-top: 0;
    padding-bottom: 1.5rem;
    padding-left: 0;
  }

  .h-timeline-dot {
    top: 4px;
    left: -1.55rem;
  }

  .h-timeline-card {
    margin-right: 0;
  }
}

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

.education-section { padding: 4rem 0; border-top: 1px solid var(--border); }

.edu-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem 1.5rem;
  text-align: center;
  height: 100%;
  transition: border-color 0.3s;
}

.edu-card:hover { border-color: var(--accent); }

.edu-icon {
  font-size: 2rem;
  color: var(--accent);
  margin-bottom: 1rem;
}

.edu-card h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.edu-degree {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 0.3rem;
}

.edu-date {
  font-size: 0.8rem;
  color: var(--accent);
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
}

.edu-loc {
  font-size: 0.82rem;
  color: var(--text-muted);
}

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

.skills-section {
  padding: 4rem 0 5rem;
  border-top: 1px solid var(--border);
}

.skill-group-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.skill-tags span {
  font-size: 0.88rem;
  font-family: 'Poppins', sans-serif;
  font-weight: 500;
  padding: 0.4rem 1rem;
  border-radius: 25px;
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border);
  transition: all 0.2s;
}

.skill-tags span:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.5rem;
}

.cert-item {
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 0.6rem 0;
}

.cert-item i { margin-right: 0.5rem; }

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

.research-section, .publications-section, .articles-section, .video-section {
  padding: 3rem 0;
}

.research-section { padding-top: 0; }

/* Patent Card */

.patent-card {
  display: flex;
  gap: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  border-left: 4px solid var(--accent);
}

.patent-icon {
  font-size: 2rem;
  color: var(--accent);
  flex-shrink: 0;
}

.patent-body h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.patent-meta {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.patent-meta strong { color: var(--accent); }

.patent-body > p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

/* Publication Cards */

.pub-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
  margin-bottom: 1rem;
  transition: border-color 0.3s;
}

.pub-card:hover { border-color: var(--accent); }

.pub-venue {
  font-family: 'Poppins', sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.pub-card h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.pub-card h4 a {
  color: var(--text-primary);
  border-bottom: 1px solid transparent;
  transition: all 0.2s;
}

.pub-card h4 a:hover { color: var(--accent); border-bottom-color: var(--accent); }

.pub-authors {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.2rem;
}

.pub-actions {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  margin-top: 0.75rem;
  flex-wrap: wrap;
}

.pub-doi {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ===== VIDEO SHOWCASE ===== */

.video-showcase {
  display: block;
  position: relative;
  width: 100%;
  height: 320px;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: all 0.4s;
  text-decoration: none;
}

.video-showcase:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 16px 50px rgba(94, 234, 212, 0.08);
}

.video-showcase-inner {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-bg {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 8rem;
  color: rgba(94, 234, 212, 0.06);
}

.video-play-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--bg-dark);
  z-index: 2;
  transition: transform 0.3s;
}

.video-showcase:hover .video-play-icon { transform: scale(1.1); }

.video-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.5rem;
  background: linear-gradient(transparent, rgba(0,0,0,0.8));
  z-index: 2;
}

.video-overlay-text h3 {
  font-size: 1.1rem;
  color: #fff;
  margin-bottom: 0.2rem;
}

.video-overlay-text p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin: 0;
}

.video-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  height: 100%;
}

.video-info-card h4 {
  font-size: 1rem;
  margin-bottom: 1rem;
}

.video-info-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.video-info-card li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 0.4rem 0;
}

.video-info-card li i { margin-right: 0.5rem; font-size: 0.75rem; }

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

.contact-section { padding: 0 0 5rem; }

.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
}

.contact-card-item {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--border);
}

.contact-card-item:last-child { border-bottom: none; }

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-card-item h4 {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.15rem;
}

.contact-card-item a,
.contact-card-item span {
  font-size: 1rem;
  color: var(--text-primary);
}

.contact-card-item a:hover { color: var(--accent); }

/* Social Grid */

.social-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.social-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1.5rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-family: 'Poppins', sans-serif;
  font-weight: 500;
  transition: all 0.25s;
}

.social-card i { font-size: 1.5rem; }

.social-card:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

/* Themed social card hover colors */
.social-linkedin:hover { border-color: #0A66C2; color: #0A66C2; background: rgba(10, 102, 194, 0.1); }
.social-github:hover   { border-color: #8b949e; color: #f0f0f0; background: rgba(139, 148, 158, 0.1); }
.social-x:hover        { border-color: #f0f0f0; color: #f0f0f0; background: rgba(240, 240, 240, 0.08); }
.social-medium:hover   { border-color: #f0f0f0; color: #f0f0f0; background: rgba(240, 240, 240, 0.08); }
.social-spotify:hover  { border-color: #1DB954; color: #1DB954; background: rgba(29, 185, 84, 0.1); }
.social-apple:hover    { border-color: #FC3C44; color: #FC3C44; background: rgba(252, 60, 68, 0.1); }

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

.site-footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  margin-top: 0;
}

.footer-text {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0;
}

.footer-tagline {
  font-size: 0.78rem;
  color: var(--text-muted);
  opacity: 0.6;
  margin: 0.25rem 0 0;
  font-style: italic;
}

.site-footer .text-md-right {
  text-align: right;
}

.site-footer .social-icons {
  justify-content: flex-end;
}

@media (max-width: 767px) {
  .site-footer .text-md-right {
    text-align: left;
  }
  .site-footer .social-icons {
    justify-content: flex-start;
    margin-top: 0.75rem;
  }
}

/* ===== ANIMATIONS ===== */

/* Simple entrance — no scroll-triggered lazy-load feel */
.fade-up {
  opacity: 1;
  transform: none;
}

/* .delay-* classes reserved for future animation use */

/* ===== RESPONSIVE ===== */

@media (max-width: 991px) {
  .hero-name { font-size: 2.8rem; }
  .page-title { font-size: 2.2rem; }
  .patent-card { flex-direction: column; }
  .social-grid { grid-template-columns: repeat(2, 1fr); }
  .video-showcase { height: 240px; }
}

@media (max-width: 576px) {
  .hero-section { padding-top: 100px; }
  .hero-name { font-size: 2.2rem; }
  .hero-typed { font-size: 1.05rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { text-align: center; }
  .page-header { padding: 7rem 0 2rem; }
  .page-title { font-size: 1.8rem; }
  .timeline { padding-left: 1.5rem; }
  .timeline-dot { left: -1.85rem; }
  .timeline-header { flex-direction: column; }
  .highlight-number { font-size: 2rem; }
  .social-grid { grid-template-columns: repeat(2, 1fr); }
  .recipe-meta { grid-template-columns: repeat(2, 1fr); }
  .ingredients-compact { columns: 1; }
  .gallery-strip { height: 180px; }
  .cta-actions { flex-direction: column; }
  .recipe-header { padding: 1.5rem; }
  .recipe-meta-item { padding: 0.8rem; }
  .recipe-body { padding: 1.5rem; }
  .method-step { flex-direction: column; gap: 0.5rem; }
  .step-number { font-size: 1.5rem; }
}

/* ===== BRAND SMALL (footer) ===== */

.brand-name-sm {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 1rem;
}

/* ===== RECIPE CARD ===== */

.recipe-section {
  padding: 3.5rem 0;
}

.recipe-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.recipe-header {
  padding: 2.5rem 2.5rem 1.5rem;
  border-bottom: 1px dashed var(--border);
}

.recipe-title {
  font-family: 'Playfair Display', serif;
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.recipe-tagline {
  font-family: 'Playfair Display', serif;
  font-size: 1.1rem;
  color: var(--text-secondary);
}

.recipe-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px dashed var(--border);
}

.recipe-meta-item {
  padding: 1.2rem 1.5rem;
  border-right: 1px dashed var(--border);
  text-align: center;
}

.recipe-meta-item:last-child { border-right: none; }

.meta-label {
  display: block;
  font-size: 0.7rem;
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 0.3rem;
}

.meta-value {
  display: block;
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.recipe-body {
  padding: 2.5rem;
}

.recipe-step-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.4rem;
  margin-bottom: 1.2rem;
}

.ingredients-list {
  list-style: none;
  padding: 0;
}

.ingredients-list li {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
  padding: 0.5rem 0;
  padding-left: 1.2rem;
  position: relative;
  border-bottom: 1px solid var(--border);
}

.ingredients-list li:last-child { border-bottom: none; }

.ingredients-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 1rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.method-steps {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.method-step {
  display: flex;
  gap: 1.2rem;
  align-items: flex-start;
}

.step-number {
  font-family: 'Poppins', sans-serif;
  font-weight: 800;
  font-size: 1.8rem;
  color: var(--accent);
  line-height: 1;
  flex-shrink: 0;
  opacity: 0.4;
}

.method-step p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin: 0;
}

.method-step strong { color: var(--text-primary); }

/* ===== GALLERY STRIP ===== */

.gallery-section {
  padding: 2rem 0 1rem;
  overflow: hidden;
}

.gallery-strip {
  height: 220px;
  overflow: hidden;
  position: relative;
}

.gallery-track {
  display: flex;
  gap: 0.75rem;
  animation: scrollGallery 40s linear infinite;
  width: max-content;
}

.gallery-track img {
  height: 220px;
  width: auto;
  border-radius: 10px;
  object-fit: cover;
  flex-shrink: 0;
}

@keyframes scrollGallery {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.gallery-caption {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 1rem;
  text-align: center;
}

.gallery-caption strong { color: var(--text-secondary); }

/* ===== SKILLS STRIP (Home Page) ===== */

.skills-strip-section {
  padding: 3.5rem 0;
}

.skills-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill-chip {
  font-size: 0.82rem;
  font-family: 'Poppins', sans-serif;
  font-weight: 500;
  padding: 0.4rem 1rem;
  border-radius: 25px;
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  transition: all 0.2s;
}

.skill-chip:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.skill-chip-highlight {
  background: var(--accent-dim);
  color: var(--accent);
  border-color: var(--accent);
  font-weight: 600;
}

/* ===== EXPERIENCE PREVIEW (Home Page) ===== */

.experience-preview-section {
  padding: 3.5rem 0;
}

.exp-preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1rem;
}

.exp-preview-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  transition: border-color 0.3s;
}

.exp-preview-card:hover {
  border-color: var(--accent);
}

.exp-preview-date {
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.02em;
  display: block;
  margin-bottom: 0.5rem;
}

.exp-preview-card h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.exp-preview-company {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin: 0 0 0.75rem;
}

.exp-preview-achievement {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin: 0;
  padding-top: 0.6rem;
  border-top: 1px solid var(--border);
  line-height: 1.4;
}

@media (max-width: 576px) {
  .exp-preview-grid { grid-template-columns: 1fr; }
}

/* ===== CONTACT CTA (Home Page) ===== */

.contact-cta-section {
  padding: 3.5rem 0;
}

.contact-cta-inner {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 3rem 2rem;
}

.cta-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.cta-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

/* ===== LATEST WORK SECTION ===== */

.latest-section {
  padding: 3.5rem 0;
}

/* ===== WORK CARDS (Fully Clickable) ===== */

.work-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  height: 100%;
  transition: all 0.3s;
  color: var(--text-primary);
  text-decoration: none;
}

.work-card:hover {
  border-color: rgba(94, 234, 212, 0.35);
  color: var(--text-primary);
  text-decoration: none;
}

.work-card h4 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.work-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  flex: 1;
}

.work-type {
  font-family: 'Poppins', sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 0.5rem;
  display: block;
}

.work-type-live { color: #4CAF50; }

.work-cta {
  font-family: 'Poppins', sans-serif;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--accent);
  margin-top: auto;
  padding-top: 0.75rem;
}

.work-cta i { font-size: 0.7rem; margin-left: 0.3rem; transition: margin-left 0.2s; }
.work-card:hover .work-cta i { margin-left: 0.6rem; }

.work-card-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.work-card strong,
.h-timeline-card strong,
.work-card-meta strong {
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.02em;
}

.work-card-research h4 {
  font-size: 1.05rem;
}

.work-card-tall {
  height: 100%;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.work-card-icon {
  font-size: 2.5rem;
  color: var(--accent);
  margin-bottom: 1rem;
  opacity: 0.6;
}

/* ===== CREATIVE CTA (under Research on Home) ===== */

.creative-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  margin-top: 0.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-secondary);
  font-size: 0.92rem;
  text-decoration: none;
  transition: all 0.25s;
}

.creative-cta:hover {
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
}

.creative-cta i {
  color: var(--accent);
  font-size: 0.85rem;
  transition: transform 0.2s;
}

.creative-cta:hover i {
  transform: translateX(4px);
}

/* ===== CLICKABLE CARDS (Research page) ===== */

a.clickable-card {
  display: block;
  color: var(--text-primary);
  text-decoration: none;
  transition: all 0.3s;
}

a.clickable-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(94, 234, 212, 0.06);
  color: var(--text-primary);
  text-decoration: none;
}

a.clickable-card h3,
a.clickable-card h4 {
  color: var(--text-primary);
}

.card-cta {
  display: inline-block;
  font-family: 'Poppins', sans-serif;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--accent);
  margin-top: 0.75rem;
}

.card-cta i { font-size: 0.7rem; margin-left: 0.3rem; transition: margin-left 0.2s; }
a.clickable-card:hover .card-cta i { margin-left: 0.6rem; }

/* ===== VIDEO EMBEDS ===== */

.video-embed-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.video-embed-card iframe {
  width: 100%;
  height: 300px;
  border: none;
  display: block;
}

.video-embed-label {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
}

.video-embed-label h4 {
  font-size: 1rem;
  margin-bottom: 0.15rem;
}

.video-embed-label p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin: 0;
}

.video-browse-card {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  min-height: 300px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  text-decoration: none;
  color: var(--text-primary);
  transition: all 0.3s;
}

.video-browse-card:hover {
  border-color: var(--accent);
  color: var(--text-primary);
  text-decoration: none;
  transform: translateY(-4px);
}

.video-browse-inner {
  text-align: center;
  padding: 2rem;
}

.video-browse-inner i {
  font-size: 3rem;
  color: var(--accent);
  opacity: 0.5;
  margin-bottom: 1rem;
}

.video-browse-inner h4 { margin-bottom: 0.5rem; }
.video-browse-inner p { font-size: 0.88rem; color: var(--text-secondary); }

.video-tools {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.video-tools span {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.video-tools i { margin-right: 0.4rem; font-size: 0.75rem; }