:root {
  --purple: #7c3aed;
  --purple-light: #a78bfa;
  --purple-dark: #5b21b6;
  --black: #0a0a0a;
  --dark: #111111;
  --dark-card: #1a1a1a;
  --dark-border: #2a2a2a;
  --white: #f5f5f5;
  --gray: #9ca3af;
  --gray-light: #d1d5db;
  --font-heading: 'Inter', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  background: var(--black);
  color: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--purple-light); text-decoration: none; transition: color 0.3s; }
a:hover { color: var(--purple); }

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* NAV */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.25rem 0;
  transition: background 0.3s, backdrop-filter 0.3s;
}

.nav.scrolled {
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--dark-border);
}

.nav .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.02em;
}

.nav-logo span { color: var(--purple); }

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  color: var(--gray);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  transition: color 0.3s;
}

.nav-links a:hover { color: var(--white); }

.nav-cta {
  background: var(--purple);
  color: var(--white) !important;
  padding: 0.6rem 1.5rem;
  border-radius: 6px;
  font-weight: 600;
  transition: background 0.3s, transform 0.2s !important;
}

.nav-cta:hover {
  background: var(--purple-dark);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.5rem;
  cursor: pointer;
}

/* HERO */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 5rem;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-content { z-index: 1; }

.hero-tag {
  display: inline-block;
  background: rgba(124, 58, 237, 0.15);
  color: var(--purple-light);
  padding: 0.4rem 1rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(124, 58, 237, 0.3);
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: 3.8rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

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

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--gray);
  line-height: 1.7;
  margin-bottom: 2.5rem;
  max-width: 520px;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  border: none;
  text-decoration: none;
}

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

.btn-primary:hover {
  background: var(--purple-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(124, 58, 237, 0.3);
  color: var(--white);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--dark-border);
}

.btn-outline:hover {
  border-color: var(--purple);
  color: var(--purple-light);
  transform: translateY(-2px);
}

.hero-image {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-image-wrapper {
  width: 420px;
  height: 500px;
  border-radius: 20px;
  overflow: hidden;
  position: relative;
  background: var(--dark-card);
  border: 2px solid var(--dark-border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-image-wrapper .placeholder-text {
  color: var(--gray);
  font-size: 0.9rem;
  text-align: center;
  padding: 2rem;
}

.hero-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-image-decoration {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 20px;
  left: 20px;
  border: 2px solid var(--purple);
  border-radius: 20px;
  opacity: 0.3;
  z-index: -1;
}

/* STATS BAR */
.stats-bar {
  padding: 4rem 0;
  border-top: 1px solid var(--dark-border);
  border-bottom: 1px solid var(--dark-border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--purple);
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--gray);
  margin-top: 0.25rem;
}

/* SECTION COMMON */
section { padding: 6rem 0; }

.section-tag {
  display: inline-block;
  background: rgba(124, 58, 237, 0.15);
  color: var(--purple-light);
  padding: 0.35rem 0.9rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  border: 1px solid rgba(124, 58, 237, 0.3);
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--gray);
  max-width: 600px;
  margin-bottom: 3rem;
}

/* ABOUT */
.about .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-image {
  width: 100%;
  height: 450px;
  border-radius: 16px;
  overflow: hidden;
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-image .placeholder-text {
  color: var(--gray);
  font-size: 0.9rem;
  padding: 2rem;
  text-align: center;
}

.about-text p {
  color: var(--gray-light);
  margin-bottom: 1.25rem;
  font-size: 1.05rem;
}

.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 2rem;
}

.highlight {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: 12px;
  padding: 1.25rem;
}

.highlight-icon {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.highlight-title {
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
}

.highlight-desc {
  font-size: 0.85rem;
  color: var(--gray);
}

/* SPEAKING */
.speaking { background: var(--dark); }

.speaking-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 1.5rem;
}

.speaking-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: 16px;
  padding: 2rem;
  transition: transform 0.3s, border-color 0.3s;
}

.speaking-card:hover {
  transform: translateY(-4px);
  border-color: var(--purple);
}

.speaking-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.speaking-event {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--purple-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.speaking-year {
  font-size: 0.8rem;
  color: var(--gray);
  background: rgba(255,255,255,0.05);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
}

.speaking-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.speaking-desc {
  font-size: 0.9rem;
  color: var(--gray);
  line-height: 1.6;
}

/* TOPICS */
.topic-featured {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: 16px;
  padding: 3rem;
  margin-bottom: 2.5rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s, border-color 0.3s;
}

.topic-featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--purple), var(--purple-light));
}

.topic-featured:hover {
  transform: translateY(-4px);
  border-color: var(--purple);
}

.topic-featured-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.topic-featured-icon {
  font-size: 1.75rem;
  width: 56px;
  height: 56px;
  min-width: 56px;
  background: rgba(124, 58, 237, 0.15);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.topic-featured-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--purple-light);
  background: rgba(124, 58, 237, 0.15);
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
  margin-left: auto;
}

.topic-featured-title {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 1rem;
  color: var(--white);
  line-height: 1.3;
}

.topic-featured-desc {
  color: var(--gray);
  line-height: 1.75;
  font-size: 1rem;
  margin-bottom: 1.5rem;
  max-width: 800px;
}

.topic-featured-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.topic-featured-tags span {
  background: rgba(124, 58, 237, 0.12);
  color: var(--purple-light);
  padding: 0.45rem 1rem;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  border: 1px solid rgba(124, 58, 237, 0.25);
}

.topics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.topic-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: 16px;
  padding: 2rem;
  transition: transform 0.3s, border-color 0.3s;
}

.topic-card:hover {
  transform: translateY(-4px);
  border-color: var(--purple);
}

.topic-icon {
  width: 50px;
  height: 50px;
  background: rgba(124, 58, 237, 0.15);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.topic-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.topic-desc {
  font-size: 0.9rem;
  color: var(--gray);
  line-height: 1.6;
}

/* FEATURED IN */
.featured { background: var(--dark); }

.featured-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 3rem;
  align-items: center;
  opacity: 0.6;
}

.featured-logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gray);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

/* TESTIMONIALS */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 1.5rem;
}

.testimonial-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: 16px;
  padding: 2rem;
}

.testimonial-quote {
  font-size: 1.05rem;
  color: var(--gray-light);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.testimonial-quote::before {
  content: '\201C';
  font-size: 3rem;
  color: var(--purple);
  line-height: 0;
  vertical-align: -0.5em;
  margin-right: 0.1em;
}

.testimonial-author {
  font-weight: 700;
  font-size: 0.95rem;
}

.testimonial-role {
  font-size: 0.85rem;
  color: var(--gray);
}

/* AWARDS */
.awards { background: var(--dark); }

.awards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.award-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: 16px;
  padding: 1.75rem;
  text-align: center;
  transition: transform 0.3s, border-color 0.3s;
}

.award-card:hover {
  transform: translateY(-4px);
  border-color: var(--purple);
}

.award-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.award-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.award-org {
  font-size: 0.85rem;
  color: var(--purple-light);
}

.award-year {
  font-size: 0.8rem;
  color: var(--gray);
  margin-top: 0.25rem;
}

/* MEDIA */
.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 1.5rem;
}

.media-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: 16px;
  padding: 1.75rem;
  transition: transform 0.3s, border-color 0.3s;
  display: block;
}

.media-card:hover {
  transform: translateY(-4px);
  border-color: var(--purple);
  color: var(--white);
}

.media-type {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--purple-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.media-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--white);
}

.media-source {
  font-size: 0.85rem;
  color: var(--gray);
}

/* CONTACT */
.contact { background: var(--dark); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.contact-info p {
  color: var(--gray);
  margin-bottom: 2rem;
  font-size: 1.05rem;
  line-height: 1.7;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--gray-light);
  font-size: 1rem;
  transition: color 0.3s;
}

.contact-link:hover { color: var(--purple-light); }

.contact-link-icon {
  width: 40px;
  height: 40px;
  background: rgba(124, 58, 237, 0.15);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-group { display: flex; flex-direction: column; gap: 0.4rem; }

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: 8px;
  padding: 0.85rem 1rem;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--purple);
}

.form-group textarea { resize: vertical; min-height: 120px; }

.form-group select { cursor: pointer; }
.form-group select option { background: var(--dark); }

.btn-submit {
  align-self: flex-start;
  background: var(--purple);
  color: var(--white);
  border: none;
  padding: 0.85rem 2.5rem;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-submit:hover {
  background: var(--purple-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(124, 58, 237, 0.3);
}

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.form-status {
  font-size: 0.9rem;
  min-height: 1.4em;
  margin-top: 0.5rem;
}

.form-status-success {
  color: #34d399;
}

.form-status-error {
  color: #f87171;
}

.cf-turnstile {
  margin-bottom: 0.5rem;
}

/* FOOTER */
.footer {
  padding: 3rem 0;
  border-top: 1px solid var(--dark-border);
}

.footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.footer-socials {
  display: flex;
  gap: 1rem;
}

.footer-socials a {
  width: 40px;
  height: 40px;
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray);
  transition: all 0.3s;
  font-size: 1.1rem;
}

.footer-socials a:hover {
  background: var(--purple);
  border-color: var(--purple);
  color: var(--white);
}

/* ANIMATIONS */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* RESPONSIVE */
@media (max-width: 1024px) {
  .hero .container { grid-template-columns: 1fr; text-align: center; }
  .hero-subtitle { margin-left: auto; margin-right: auto; }
  .hero-buttons { justify-content: center; }
  .hero-image { margin-top: 2rem; }
  .about .container { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .topics-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .hero h1 { font-size: 2.5rem; }
  .section-title { font-size: 2rem; }
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .nav-links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    padding: 2rem;
    gap: 1.5rem;
    border-bottom: 1px solid var(--dark-border);
  }
  .speaking-grid,
  .testimonials-grid,
  .media-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer .container { flex-direction: column; gap: 1.5rem; }
  .hero-image-wrapper { width: 300px; height: 380px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
  .topics-grid { grid-template-columns: 1fr; }
  .topic-featured { padding: 1.5rem; }
  .topic-featured-title { font-size: 1.35rem; }
}