/* ============================================================
   DR. KARANBIR SINGH — SPORT & INJURY PSYCHOLOGIST
   Premium Portfolio — style.css
   ============================================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400;1,600&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,300;1,9..40,400&family=Bebas+Neue&display=swap');

/* ============================================================
   CSS CUSTOM PROPERTIES
   ============================================================ */
:root {
  --navy:        #08131F;
  --navy-mid:    #0D1E30;
  --navy-light:  #142840;
  --navy-card:   #0F2035;
  --gold:        #C89240;
  --gold-light:  #E2AC60;
  --gold-pale:   #F0D89A;
  --white:       #F5F1EA;
  --white-soft:  #EDE8DF;
  --grey:        #7A8E9E;
  --grey-light:  #B0BEC5;
  --charcoal:    #1E2E3E;
  --border:      rgba(200,146,64,0.18);
  --border-soft: rgba(200,146,64,0.08);

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;
  --font-stat:    'Bebas Neue', sans-serif;

  --transition: 0.35s cubic-bezier(0.4,0,0.2,1);
  --transition-slow: 0.6s cubic-bezier(0.4,0,0.2,1);

  --radius-sm: 6px;
  --radius:    12px;
  --radius-lg: 20px;
  --radius-xl: 32px;

  --shadow-sm:  0 2px 12px rgba(0,0,0,0.25);
  --shadow:     0 8px 32px rgba(0,0,0,0.35);
  --shadow-lg:  0 20px 60px rgba(0,0,0,0.45);
  --shadow-gold: 0 4px 24px rgba(200,146,64,0.18);

  --max-width: 1200px;
  --section-pad: clamp(64px, 8vw, 108px);
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  background-color: var(--navy);
  color: var(--white);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul { list-style: none; }

/* ============================================================
   SCROLLBAR
   ============================================================ */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--navy); }
::-webkit-scrollbar-thumb { background: var(--gold); border-radius: 3px; }

/* ============================================================
   TYPOGRAPHY UTILITIES
   ============================================================ */
.section-label {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.section-label::before {
  content: '';
  display: inline-block;
  width: 32px;
  height: 1px;
  background: var(--gold);
  flex-shrink: 0;
}

.section-heading {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  font-weight: 600;
  line-height: 1.15;
  color: var(--white);
}

.section-heading em {
  font-style: italic;
  color: var(--gold-light);
}

.section-subheading {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.2vw, 1.7rem);
  font-weight: 500;
  color: var(--gold-light);
  margin-bottom: 8px;
}

.section-desc {
  color: var(--grey-light);
  font-size: 1rem;
  line-height: 1.75;
  max-width: 640px;
}

.gold-divider {
  width: 56px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
  margin: 20px 0;
}

/* ============================================================
   LAYOUT
   ============================================================ */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 48px);
}

section {
  padding: var(--section-pad) 0;
}

section:nth-child(odd):not(.hero-section) {
  background-color: var(--navy);
}

section:nth-child(even):not(.hero-section) {
  background-color: var(--navy-mid);
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 clamp(20px, 4vw, 48px);
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(8,19,31,0.85);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid var(--border-soft);
  transition: background var(--transition);
}

.nav.scrolled {
  background: rgba(8,19,31,0.97);
}

.nav-logo {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.nav-logo-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--white);
  letter-spacing: 0.01em;
}

.nav-logo-title {
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 500;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.5vw, 28px);
}

.nav-links a {
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--grey-light);
  transition: color var(--transition);
  position: relative;
  padding-bottom: 2px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width var(--transition);
}

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

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

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: var(--navy) !important;
  padding: 9px 20px;
  border-radius: var(--radius-sm);
  font-size: 12px !important;
  font-weight: 700 !important;
  letter-spacing: 0.1em !important;
  transition: opacity var(--transition), transform var(--transition) !important;
}

.nav-cta::after { display: none !important; }

.nav-cta:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--white);
  transition: var(--transition);
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 68px;
  overflow: hidden;
  background: var(--navy);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 70% 60% at 65% 40%, rgba(200,146,64,0.10) 0%, transparent 60%),
    radial-gradient(ellipse 50% 70% at 20% 80%, rgba(13,30,48,0.9) 0%, transparent 60%),
    linear-gradient(135deg, #08131F 0%, #0D1E30 50%, #0A1824 100%);
}

.hero-bg-lines {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.04;
  background-image:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 59px,
      rgba(200,146,64,0.6) 59px,
      rgba(200,146,64,0.6) 60px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 59px,
      rgba(200,146,64,0.6) 59px,
      rgba(200,146,64,0.6) 60px
    );
}

.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: clamp(40px, 8vw, 80px) clamp(20px, 4vw, 48px);
}

.hero-text { order: 1; }

.hero-credential-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(200,146,64,0.12);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 8px 18px;
  margin-bottom: 24px;
}

.hero-credential-badge span {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold-light);
}

.hero-credential-badge .badge-dot {
  width: 6px;
  height: 6px;
  background: var(--gold);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.7); }
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 5vw, 4.2rem);
  font-weight: 700;
  line-height: 1.08;
  color: var(--white);
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}

.hero-name .phd-badge {
  font-size: 0.55em;
  font-weight: 400;
  color: var(--gold);
  vertical-align: super;
  font-style: normal;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2vw, 1.55rem);
  font-weight: 400;
  font-style: italic;
  color: var(--gold-light);
  margin-bottom: 24px;
  letter-spacing: 0.02em;
}

.hero-statement {
  font-size: clamp(0.9rem, 1.3vw, 1.05rem);
  color: var(--grey-light);
  line-height: 1.8;
  max-width: 520px;
  margin-bottom: 28px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 36px;
}

.hero-tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(200,146,64,0.08);
  border: 1px solid rgba(200,146,64,0.2);
  border-radius: 100px;
  padding: 6px 14px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 13px 24px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
  color: var(--navy);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(200,146,64,0.35);
}

.btn-outline {
  border: 1px solid var(--border);
  color: var(--white-soft);
  background: rgba(200,146,64,0.04);
}

.btn-outline:hover {
  border-color: var(--gold);
  background: rgba(200,146,64,0.10);
  color: var(--white);
  transform: translateY(-1px);
}

.btn-ghost {
  color: var(--grey-light);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
}

.btn-ghost:hover {
  color: var(--white);
  background: rgba(255,255,255,0.08);
}

.btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.hero-image-wrap {
  order: 2;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.hero-image-frame {
  position: relative;
  width: clamp(280px, 90%, 440px);
}

.hero-image-frame::before {
  content: '';
  position: absolute;
  top: -16px;
  right: -16px;
  bottom: 16px;
  left: 16px;
  border: 1px solid rgba(200,146,64,0.25);
  border-radius: var(--radius-lg);
  z-index: 0;
}

.hero-image-frame::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: linear-gradient(
    to bottom,
    transparent 50%,
    rgba(8,19,31,0.7) 100%
  );
  z-index: 1;
  pointer-events: none;
}

.hero-photo {
  position: relative;
  z-index: 1;
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: top center;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.hero-image-badge {
  position: absolute;
  bottom: -12px;
  left: -12px;
  z-index: 3;
  background: linear-gradient(135deg, var(--navy-card), var(--charcoal));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow);
}

.hero-image-badge .badge-icon {
  width: 40px;
  height: 40px;
  background: rgba(200,146,64,0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.hero-image-badge .badge-icon svg {
  width: 20px;
  height: 20px;
  color: var(--gold);
}

.hero-image-badge .badge-text-top {
  font-family: var(--font-stat);
  font-size: 1.4rem;
  line-height: 1;
  color: var(--gold-light);
}

.hero-image-badge .badge-text-bottom {
  font-size: 10.5px;
  color: var(--grey-light);
  letter-spacing: 0.05em;
}

/* ============================================================
   IMPACT NUMBERS
   ============================================================ */
.impact-section {
  background: linear-gradient(135deg, var(--navy-card) 0%, var(--charcoal) 100%) !important;
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
  padding: 56px 0 !important;
}

.impact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border-soft);
}

.impact-item {
  background: var(--navy-card);
  padding: clamp(24px, 4vw, 40px) clamp(20px, 3vw, 32px);
  position: relative;
  overflow: hidden;
  transition: background var(--transition);
}

.impact-item::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.impact-item:hover {
  background: var(--charcoal);
}

.impact-item:hover::before {
  opacity: 1;
}

.impact-number {
  font-family: var(--font-stat);
  font-size: clamp(2.8rem, 5vw, 4rem);
  line-height: 1;
  color: var(--gold-light);
  letter-spacing: 0.02em;
  margin-bottom: 8px;
}

.impact-label {
  font-size: 13px;
  color: var(--grey-light);
  line-height: 1.4;
  font-weight: 400;
}

/* ============================================================
   ABOUT SECTION
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: start;
}

.about-body p {
  color: var(--grey-light);
  font-size: 1.02rem;
  line-height: 1.85;
  margin-bottom: 20px;
}

.about-body p strong {
  color: var(--white);
  font-weight: 600;
}

.about-quote {
  position: relative;
  margin: 32px 0;
  padding: 28px 28px 28px 36px;
  background: rgba(200,146,64,0.06);
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.about-quote-mark {
  position: absolute;
  top: -8px;
  left: 20px;
  font-family: var(--font-display);
  font-size: 5rem;
  color: var(--gold);
  opacity: 0.25;
  line-height: 1;
  pointer-events: none;
}

.about-quote p {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 1.8vw, 1.3rem);
  font-style: italic;
  color: var(--white-soft) !important;
  line-height: 1.65;
  margin-bottom: 0 !important;
}

.about-focus-list {
  margin-top: 8px;
}

.about-focus-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--border-soft);
  font-size: 0.95rem;
  color: var(--grey-light);
  transition: color var(--transition);
}

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

.about-focus-list li:hover {
  color: var(--white);
}

.about-focus-list li .focus-icon {
  width: 20px;
  height: 20px;
  background: rgba(200,146,64,0.12);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.about-focus-list li .focus-icon svg {
  width: 10px;
  height: 10px;
  color: var(--gold);
}

.about-sidebar {
  position: sticky;
  top: 88px;
}

.about-sidebar-card {
  background: var(--navy-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 3vw, 36px);
  margin-bottom: 20px;
}

.about-sidebar-card h4 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 16px;
}

.about-affiliation {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border-soft);
}

.about-affiliation:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.affiliation-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
  flex-shrink: 0;
  margin-top: 7px;
}

.affiliation-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--white-soft);
  margin-bottom: 2px;
}

.affiliation-sub {
  font-size: 0.82rem;
  color: var(--grey);
}

/* ============================================================
   SERVICES SECTION
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 2vw, 24px);
  margin-top: clamp(32px, 4vw, 52px);
}

.service-card {
  background: var(--navy-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 3vw, 36px);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--border);
  box-shadow: var(--shadow-gold);
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon {
  width: 48px;
  height: 48px;
  background: rgba(200,146,64,0.1);
  border: 1px solid rgba(200,146,64,0.15);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: background var(--transition);
}

.service-card:hover .service-icon {
  background: rgba(200,146,64,0.18);
}

.service-icon svg {
  width: 22px;
  height: 22px;
  color: var(--gold-light);
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 10px;
  line-height: 1.25;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--grey);
  line-height: 1.7;
}

/* ============================================================
   TIMELINE
   ============================================================ */
.timeline {
  position: relative;
  max-width: 820px;
  margin: clamp(32px, 4vw, 52px) auto 0;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 18px;
  width: 1px;
  background: linear-gradient(to bottom, var(--gold), rgba(200,146,64,0.1));
}

.timeline-item {
  display: flex;
  gap: clamp(24px, 4vw, 48px);
  padding-bottom: clamp(36px, 5vw, 56px);
  position: relative;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-node {
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.timeline-dot {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 6px rgba(200,146,64,0.08);
}

.timeline-dot svg {
  width: 16px;
  height: 16px;
  color: var(--navy);
}

.timeline-body {
  padding-top: 6px;
  flex: 1;
}

.timeline-period {
  display: inline-flex;
  align-items: center;
  background: rgba(200,146,64,0.1);
  border: 1px solid rgba(200,146,64,0.2);
  border-radius: 100px;
  padding: 4px 14px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--gold);
  margin-bottom: 14px;
}

.timeline-body h3 {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  font-weight: 600;
  color: var(--white);
  line-height: 1.25;
  margin-bottom: 4px;
}

.timeline-org {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gold-light);
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}

.timeline-body p {
  font-size: 0.93rem;
  color: var(--grey-light);
  line-height: 1.75;
}

/* ============================================================
   COMPETITION SECTION
   ============================================================ */
.competition-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(12px, 2vw, 20px);
  margin-top: clamp(32px, 4vw, 52px);
}

.competition-card {
  background: var(--navy-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 22px 20px;
  transition: all var(--transition);
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.competition-card:hover {
  border-color: var(--border);
  background: rgba(200,146,64,0.05);
  transform: translateY(-2px);
}

.comp-icon {
  width: 32px;
  height: 32px;
  background: rgba(200,146,64,0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.comp-icon svg {
  width: 16px;
  height: 16px;
  color: var(--gold);
}

.comp-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--white-soft);
  line-height: 1.35;
}

/* ============================================================
   INTERNATIONAL SECTION
   ============================================================ */
.international-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(40px, 6vw, 72px);
  align-items: center;
  margin-top: clamp(32px, 4vw, 52px);
}

.international-image-wrap {
  position: relative;
}

.international-image-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.international-image-frame::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(8,19,31,0.7) 0%, transparent 60%);
  z-index: 1;
}

.international-photo {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  object-position: center top;
  display: block;
}

.international-badge {
  position: absolute;
  bottom: 20px;
  left: 20px;
  right: 20px;
  z-index: 2;
  background: rgba(8,19,31,0.88);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  backdrop-filter: blur(12px);
}

.international-badge-top {
  font-family: var(--font-stat);
  font-size: 1.1rem;
  color: var(--gold-light);
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}

.international-badge-sub {
  font-size: 11.5px;
  color: var(--grey-light);
  line-height: 1.4;
}

.international-content h3 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.8vw, 2.2rem);
  font-weight: 600;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 16px;
}

.international-content p {
  font-size: 1rem;
  color: var(--grey-light);
  line-height: 1.8;
  margin-bottom: 20px;
}

.congress-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.congress-tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--gold);
  background: rgba(200,146,64,0.08);
  border: 1px solid rgba(200,146,64,0.18);
  border-radius: 4px;
  padding: 5px 12px;
  text-transform: uppercase;
}

/* ============================================================
   PHOTO GALLERY
   ============================================================ */
.gallery-grid {
  column-count: 4;
  column-gap: clamp(12px, 1.5vw, 18px);
  margin-top: clamp(32px, 4vw, 52px);
}

.gallery-item {
  break-inside: avoid;
  margin-bottom: clamp(12px, 1.5vw, 18px);
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
}

.gallery-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(8,19,31,0.6) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition);
}

.gallery-item:hover::after {
  opacity: 1;
}

.gallery-item img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery-item:hover img {
  transform: scale(1.04);
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0,0,0,0.94);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  backdrop-filter: blur(8px);
}

.lightbox.active {
  opacity: 1;
  pointer-events: all;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 88vh;
  object-fit: contain;
  border-radius: var(--radius);
  box-shadow: 0 32px 80px rgba(0,0,0,0.6);
}

.lightbox-close {
  position: absolute;
  top: 24px;
  right: 28px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 50%;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: white;
  font-size: 20px;
  transition: background var(--transition);
}

.lightbox-close:hover {
  background: rgba(255,255,255,0.2);
}

/* ============================================================
   RESEARCH SECTION
   ============================================================ */
.research-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 60px);
  margin-top: clamp(32px, 4vw, 52px);
  align-items: start;
}

.research-interests-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.research-interest-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 18px;
  background: var(--navy-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.research-interest-item:hover {
  border-color: var(--border);
  transform: translateX(4px);
}

.research-interest-item .ri-num {
  font-family: var(--font-stat);
  font-size: 1.2rem;
  color: var(--gold);
  opacity: 0.5;
  flex-shrink: 0;
  width: 24px;
}

.research-interest-item .ri-text {
  font-size: 0.93rem;
  color: var(--white-soft);
  font-weight: 500;
}

.research-publications-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 8px;
}

.pub-card {
  background: var(--navy-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 20px 22px;
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
}

.pub-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--gold);
  opacity: 0;
  transition: opacity var(--transition);
}

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

.pub-card:hover::before {
  opacity: 1;
}

.pub-card p {
  font-size: 0.9rem;
  color: var(--grey-light);
  line-height: 1.65;
  font-style: italic;
}

.biofeedback-banner {
  margin-top: 24px;
  background: linear-gradient(135deg, rgba(200,146,64,0.08), rgba(200,146,64,0.04));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.biofeedback-banner svg {
  width: 32px;
  height: 32px;
  color: var(--gold-light);
  flex-shrink: 0;
}

.biofeedback-banner p {
  font-size: 0.92rem;
  color: var(--grey-light);
  line-height: 1.7;
}

.biofeedback-banner strong {
  color: var(--white-soft);
}

/* ============================================================
   TEACHING SECTION
   ============================================================ */
.teaching-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(16px, 2vw, 24px);
  margin-top: clamp(32px, 4vw, 52px);
}

.teaching-card {
  background: var(--navy-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 3vw, 32px);
  transition: all var(--transition);
  display: flex;
  gap: 18px;
  align-items: flex-start;
}

.teaching-card:hover {
  border-color: var(--border);
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

.teaching-num {
  font-family: var(--font-stat);
  font-size: 2rem;
  color: rgba(200,146,64,0.2);
  line-height: 1;
  flex-shrink: 0;
}

.teaching-card-body h4 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 8px;
  line-height: 1.3;
}

.teaching-card-body p {
  font-size: 0.88rem;
  color: var(--grey);
  line-height: 1.65;
}

/* ============================================================
   AWARDS SECTION
   ============================================================ */
.awards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(14px, 2vw, 22px);
  margin-top: clamp(32px, 4vw, 52px);
}

.award-card {
  background: var(--navy-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 3vw, 32px) 24px;
  text-align: center;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.award-card::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, rgba(200,146,64,0.05) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
}

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

.award-card:hover::after {
  opacity: 1;
}

.award-icon {
  width: 52px;
  height: 52px;
  background: rgba(200,146,64,0.1);
  border: 1px solid rgba(200,146,64,0.18);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.award-icon svg {
  width: 24px;
  height: 24px;
  color: var(--gold-light);
}

.award-card h4 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 8px;
  line-height: 1.3;
}

.award-card p {
  font-size: 0.85rem;
  color: var(--grey);
  line-height: 1.6;
}

/* ============================================================
   CONTACT SECTION
   ============================================================ */
.contact-section {
  background: linear-gradient(
    135deg,
    var(--navy-mid) 0%,
    var(--navy-card) 50%,
    var(--charcoal) 100%
  ) !important;
  position: relative;
  overflow: hidden;
}

.contact-section::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200,146,64,0.08), transparent 60%);
  pointer-events: none;
}

.contact-section::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: -60px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200,146,64,0.06), transparent 60%);
  pointer-events: none;
}

.contact-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}

.contact-inner .section-heading {
  margin-bottom: 16px;
}

.contact-inner p {
  color: var(--grey-light);
  font-size: 1.02rem;
  line-height: 1.8;
  margin-bottom: 40px;
}

.contact-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: #050D16;
  border-top: 1px solid var(--border-soft);
  padding: 40px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-logo {
  display: flex;
  flex-direction: column;
}

.footer-logo-name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--white);
}

.footer-logo-sub {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-top: 2px;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 12.5px;
  color: var(--grey);
  transition: color var(--transition);
  letter-spacing: 0.04em;
}

.footer-links a:hover {
  color: var(--gold-light);
}

.footer-copy {
  font-size: 12px;
  color: var(--grey);
  text-align: right;
}

/* ============================================================
   SECTION HEADER COMPONENT
   ============================================================ */
.section-header {
  margin-bottom: clamp(32px, 4vw, 48px);
}

.section-header-centered {
  text-align: center;
}

.section-header-centered .section-label {
  justify-content: center;
}

.section-header-centered .section-label::before {
  display: none;
}

.section-header-centered .section-label::after {
  content: '';
  display: inline-block;
  width: 32px;
  height: 1px;
  background: var(--gold);
  flex-shrink: 0;
}

.section-header-centered .gold-divider {
  margin: 20px auto;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  width: 80px;
}

/* ============================================================
   SCROLL REVEAL ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ============================================================
   MOBILE MENU
   ============================================================ */
.mobile-menu {
  position: fixed;
  top: 68px;
  left: 0;
  right: 0;
  background: rgba(8,19,31,0.98);
  backdrop-filter: blur(20px);
  z-index: 999;
  padding: 20px clamp(20px, 4vw, 48px) 28px;
  border-bottom: 1px solid var(--border-soft);
  transform: translateY(-110%);
  transition: transform var(--transition);
}

.mobile-menu.open {
  transform: translateY(0);
}

.mobile-menu a {
  display: block;
  padding: 12px 0;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--grey-light);
  border-bottom: 1px solid var(--border-soft);
  transition: color var(--transition);
}

.mobile-menu a:last-child {
  border-bottom: none;
}

.mobile-menu a:hover {
  color: var(--gold-light);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .competition-grid { grid-template-columns: repeat(2, 1fr); }
  .awards-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { column-count: 3; }
}

@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-text { order: 2; }
  .hero-image-wrap { order: 1; }

  .hero-credential-badge { margin: 0 auto 24px; }
  .hero-statement { margin: 0 auto 28px; }
  .hero-tags { justify-content: center; }
  .hero-actions { justify-content: center; }

  .hero-image-frame {
    width: clamp(200px, 65%, 300px);
    margin: 0 auto;
  }

  .about-grid { grid-template-columns: 1fr; }
  .about-sidebar { position: static; margin-top: 32px; }

  .international-grid { grid-template-columns: 1fr; }
  .research-grid { grid-template-columns: 1fr; }
  .teaching-cards { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .services-grid { grid-template-columns: 1fr; }
  .competition-grid { grid-template-columns: 1fr; }
  .awards-grid { grid-template-columns: 1fr 1fr; }
  .gallery-grid { column-count: 2; }

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

  .footer-inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .footer-copy { text-align: center; }

  .hero-image-badge { display: none; }
}

@media (max-width: 400px) {
  .gallery-grid { column-count: 1; }
  .awards-grid { grid-template-columns: 1fr; }
}