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

:root {
  --bg-color: #0f0f14;
  --bg-secondary: #151521;
  --card-color: #1f1f2b;
  --card-color-2: #181820;
  --text-color: #ffffff;
  --text-secondary: #c9c9d6;
  --accent: #ff4d8d;
  --accent-light: #ff77a8;
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  --radius: 22px;
  --transition: 0.3s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Poppins', sans-serif;
  background: linear-gradient(180deg, #0f0f14 0%, #151521 100%);
  color: var(--text-color);
  line-height: 1.6;
  min-height: 100vh;
}

body.lightbox-open {
  overflow: hidden;
}

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

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

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(15, 15, 20, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 0;
  gap: 20px;
}

.logo {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 25px;
  list-style: none;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--text-color);
  font-weight: 500;
  transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
}

.menu-toggle {
  display: none;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  color: var(--text-color);
  font-size: 1.4rem;
  border-radius: 12px;
  padding: 8px 12px;
  cursor: pointer;
}

/* HERO */
.hero {
  padding: 90px 0 60px;
}

.hero-home {
  padding: 100px 0 80px;
}

.small-hero {
  text-align: center;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 15px;
  line-height: 1.2;
}

.hero h1 span {
  color: var(--accent);
}

.hero p {
  max-width: 820px;
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.small-hero p {
  margin: 0 auto;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 16px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 77, 141, 0.12);
  color: var(--accent-light);
  border: 1px solid rgba(255, 77, 141, 0.2);
  font-size: 0.9rem;
  font-weight: 600;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 35px;
  align-items: center;
}

.hero-text p {
  margin-bottom: 25px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.profile-card {
  background: linear-gradient(135deg, rgba(255, 77, 141, 0.12), rgba(255, 255, 255, 0.03));
  border: 1px solid var(--border);
  border-radius: 26px;
  padding: 30px;
  box-shadow: var(--shadow);
}

.profile-badge {
  display: inline-block;
  margin-bottom: 15px;
  background: var(--accent);
  color: #fff;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
}

.profile-card h3 {
  margin-bottom: 12px;
  font-size: 1.6rem;
}

.profile-card p {
  color: var(--text-secondary);
  margin-bottom: 22px;
}

.mini-infos {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.mini-label {
  display: block;
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-bottom: 4px;
}

.section {
  padding: 30px 0 90px;
}

.alt-section {
  background: rgba(255, 255, 255, 0.02);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-title {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 45px;
}

.section-subtitle {
  display: inline-block;
  color: var(--accent-light);
  font-weight: 600;
  margin-bottom: 10px;
}

.section-title h2 {
  font-size: 2.2rem;
  margin-bottom: 12px;
}

.section-title p {
  color: var(--text-secondary);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 26px;
  margin-bottom: 30px;
}

.info-card,
.project-preview-card,
.content-card,
.skill-card {
  background: var(--card-color);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.info-card,
.project-preview-card {
  padding: 26px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.info-card:hover,
.project-preview-card:hover,
.project-card:hover,
.content-card:hover,
.skill-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 35px rgba(0, 0, 0, 0.35);
}

.card-icon {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 77, 141, 0.12);
  font-size: 1.5rem;
  margin-bottom: 18px;
}

.info-card h3,
.project-preview-card h3,
.content-card h2 {
  margin-bottom: 12px;
}

.info-card p,
.project-preview-card p,
.content-card p {
  color: var(--text-secondary);
}

.content-card {
  padding: 30px;
}

.two-columns {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.skills-preview {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  margin-bottom: 30px;
}

.skill-chip {
  padding: 11px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  color: var(--text-color);
  transition: var(--transition);
}

.skill-chip:hover {
  border-color: var(--accent);
  color: var(--accent-light);
  transform: translateY(-3px);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 24px;
}

.skill-card {
  padding: 24px;
}

.skill-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.skill-head h3 {
  font-size: 1.05rem;
}

.skill-head span {
  color: var(--accent-light);
  font-size: 0.9rem;
}

.progress {
  width: 100%;
  height: 10px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 999px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  border-radius: 999px;
}

.filters {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin: 20px 0 50px;
}

.filter-btn {
  padding: 10px 18px;
  border-radius: 30px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-color);
  font-family: inherit;
  cursor: pointer;
  transition: var(--transition);
}

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

.projects {
  padding-bottom: 80px;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 28px;
}

.project-card {
  background: var(--card-color);
  border: 1px solid var(--border);
  border-radius: 22px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.project-image {
  height: 190px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  background: linear-gradient(135deg, rgba(255, 77, 141, 0.18), rgba(255, 255, 255, 0.03));
}

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

.project-type {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--accent-light);
  margin-bottom: 10px;
  font-weight: 600;
}

.project-content h3 {
  font-size: 1.35rem;
  margin-bottom: 10px;
}

.project-content p {
  color: var(--text-secondary);
  font-size: 0.97rem;
  margin-bottom: 18px;
}

.tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}

.tech-list span {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  padding: 7px 12px;
  border-radius: 30px;
  font-size: 0.85rem;
}

.project-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: auto;
}

.project-buttons .btn {
  flex: 1;
  text-align: center;
}

.btn {
  display: inline-block;
  padding: 11px 18px;
  border-radius: 12px;
  font-weight: 500;
  transition: var(--transition);
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent);
  color: white;
}

.btn-primary:hover {
  background: var(--accent-light);
}

.btn-secondary {
  border: 1px solid var(--border);
  color: var(--text-color);
  background: rgba(255, 255, 255, 0.03);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.cta {
  margin: 30px 0 0;
  padding: 40px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(255, 77, 141, 0.16), rgba(255, 255, 255, 0.03));
  border: 1px solid var(--border);
  text-align: center;
}

.cta h2 {
  margin-bottom: 12px;
  font-size: 2rem;
}

.cta p {
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto 22px;
}

.timeline {
  display: grid;
  gap: 22px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 20px;
  background: var(--card-color);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.timeline-date {
  color: var(--accent-light);
  font-weight: 700;
}

.timeline-content p {
  color: var(--text-secondary);
}

/* LISTS */
.custom-list {
  padding-left: 18px;
  color: var(--text-secondary);
}

.custom-list li {
  margin-bottom: 10px;
}

.contact-list {
  display: grid;
  gap: 18px;
  margin-top: 10px;
}

.contact-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.contact-item span {
  font-size: 1.3rem;
}

.contact-item p {
  margin: 2px 0 0;
}

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

.contact-actions {
  margin-top: 20px;
}

/* PROJECT DETAIL */
.project-detail-hero {
  position: relative;
  overflow: hidden;
}

.project-detail-hero::before {
  content: "";
  position: absolute;
  width: 320px;
  height: 320px;
  top: -90px;
  right: -70px;
  background: radial-gradient(circle, rgba(255, 77, 141, 0.18) 0%, rgba(255, 77, 141, 0) 70%);
  pointer-events: none;
}

.project-highlight-card {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 28px;
  align-items: center;
  background: linear-gradient(135deg, rgba(255, 77, 141, 0.10), rgba(255, 255, 255, 0.03));
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 34px;
  box-shadow: var(--shadow);
}

.project-highlight-text h2 {
  margin-bottom: 14px;
}

.project-highlight-text p {
  color: var(--text-secondary);
  margin-bottom: 14px;
}

.project-highlight-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 260px;
}

.project-big-icon {
  width: 180px;
  height: 180px;
  border-radius: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  background: linear-gradient(135deg, rgba(255, 77, 141, 0.18), rgba(255, 255, 255, 0.04));
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

@media (max-width: 900px) {
  .project-highlight-card {
    grid-template-columns: 1fr;
  }
}

/* STAGE */
.back-link {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--accent-light);
  font-weight: 500;
}

.back-link:hover {
  color: var(--accent);
}

.screenshot-card {
  min-height: 220px;
  border-radius: 22px;
  border: 1px dashed rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.02);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-weight: 500;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.screenshot-card img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.4s ease;
}

.screenshot-card:hover img {
  transform: scale(1.04);
}

.center {
  text-align: center;
}

.top-space {
  margin-top: 60px;
}

.cta-actions {
  justify-content: center;
}

.hidden {
  display: none !important;
}

footer {
  border-top: 1px solid var(--border);
  padding: 25px 0;
  text-align: center;
  color: var(--text-secondary);
  background: rgba(0, 0, 0, 0.15);
}

.back-to-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 48px;
  height: 48px;
  border: none;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 1100;
  font-size: 1.1rem;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--accent-light);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.certifications-hero {
  position: relative;
  overflow: hidden;
}

.certifications-hero::before {
  content: "";
  position: absolute;
  width: 320px;
  height: 320px;
  top: -80px;
  right: -80px;
  background: radial-gradient(circle, rgba(255, 77, 141, 0.18) 0%, rgba(255, 77, 141, 0) 70%);
  pointer-events: none;
}

.featured-certifications {
  display: grid;
  gap: 30px;
}

.featured-cert-card {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 28px;
  align-items: center;
  background: linear-gradient(135deg, rgba(255, 77, 141, 0.08), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 28px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.featured-cert-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 35px rgba(0, 0, 0, 0.35);
}

.featured-cert-image img {
  width: 100%;
  border-radius: 22px;
  border: 1px solid var(--border);
  display: block;
  cursor: pointer;
}

.featured-cert-content h3 {
  font-size: 1.9rem;
  margin-bottom: 14px;
}

.featured-cert-content p {
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.cert-badge {
  display: inline-block;
  margin-bottom: 14px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 77, 141, 0.14);
  color: var(--accent-light);
  border: 1px solid rgba(255, 77, 141, 0.22);
  font-size: 0.88rem;
  font-weight: 600;
}

.cert-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 22px;
}

.cert-meta span {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 26px;
}

.cert-card {
  background: var(--card-color);
  border: 1px solid var(--border);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.cert-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 35px rgba(0, 0, 0, 0.35);
}

.cert-card-image {
  background: linear-gradient(135deg, rgba(255, 77, 141, 0.12), rgba(255, 255, 255, 0.02));
  padding: 14px;
}

.cert-card-image img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 18px;
  border: 1px solid var(--border);
  cursor: pointer;
}

.cert-card-body {
  padding: 22px;
}

.cert-platform {
  color: var(--accent-light);
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.cert-card-body h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
  line-height: 1.35;
}

.cert-card-body p {
  color: var(--text-secondary);
  font-size: 0.96rem;
  margin-bottom: 16px;
}

.cert-date {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 18px;
}

.cert-summary {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  align-items: stretch;
  margin-bottom: 40px;
}

.cert-summary-text,
.cert-summary-stats {
  background: var(--card-color);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.cert-summary-text {
  padding: 30px;
}

.cert-summary-text h2 {
  margin-bottom: 14px;
}

.cert-summary-text p {
  color: var(--text-secondary);
}

.cert-summary-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  padding: 24px;
}

.stat-box {
  min-height: 120px;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(255, 77, 141, 0.12), rgba(255, 255, 255, 0.03));
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 20px;
  text-align: center;
}

.stat-box strong {
  font-size: 2rem;
  color: var(--accent-light);
  margin-bottom: 8px;
}

.stat-box span {
  color: var(--text-secondary);
}

/* LIGHTBOX CERTIFICATS */
.certificate-lightbox {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.certificate-lightbox.open {
  opacity: 1;
  visibility: visible;
}

.certificate-lightbox-overlay {
  position: absolute;
  inset: 0;
  background: rgba(5, 5, 10, 0.85);
  backdrop-filter: blur(6px);
}

.certificate-lightbox-content {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  max-height: 90vh;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.certificate-lightbox-content img {
  max-width: 100%;
  max-height: 90vh;
  border-radius: 20px;
  border: 1px solid var(--border);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.45);
  background: #111;
}

.certificate-lightbox-close {
  position: absolute;
  top: -18px;
  right: -18px;
  width: 46px;
  height: 46px;
  border: none;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 1.7rem;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: transform var(--transition), background var(--transition);
}

.certificate-lightbox-close:hover {
  background: var(--accent-light);
  transform: scale(1.06);
}

@media (max-width: 900px) {
  .featured-cert-card,
  .cert-summary {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .featured-cert-card {
    padding: 20px;
  }

  .featured-cert-content h3 {
    font-size: 1.5rem;
  }

  .cert-card-image img {
    height: 200px;
  }

  .certificate-lightbox-close {
    top: -12px;
    right: -6px;
  }
}

@media (max-width: 900px) {
  .hero-grid,
  .two-columns,
  .timeline-item {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .navbar {
    flex-wrap: wrap;
  }

  .menu-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    padding-top: 10px;
    gap: 14px;
  }

  .nav-links.open {
    display: flex;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .hero p {
    font-size: 0.98rem;
  }

  .project-buttons,
  .hero-actions {
    flex-direction: column;
  }

  .btn {
    text-align: center;
  }

  .cta h2,
  .section-title h2 {
    font-size: 1.7rem;
  }

  .mini-infos {
    grid-template-columns: 1fr;
  }

  .top-space {
    margin-top: 30px;
  }
}