/* ===================================================
   김예진 포트폴리오 — style.css
   Color: Dark Navy #0D1B2A | Accent Blue #3A86FF | Green #06D6A0
   Font: Space Grotesk (heading) / Inter + Noto Sans KR (body)
   =================================================== */

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

:root {
  --navy: #0D1B2A;
  --navy-light: #112240;
  --navy-border: #1e3a5f;
  --blue: #3A86FF;
  --blue-light: #5a9bff;
  --green: #06D6A0;
  --white: #ffffff;
  --gray-50: #F8FAFB;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --text-dark: #0D1B2A;
  --text-muted: #64748b;
  --text-light: #CBD5E1;
  --transition: 0.3s ease;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.12);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.18);
  --radius: 12px;
  --radius-lg: 20px;
}

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

body {
  font-family: 'Inter', 'Noto Sans KR', sans-serif;
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

ul { list-style: none; }

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

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

.accent { color: var(--blue); }

/* ===== Navigation ===== */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.25rem 0;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
}

#navbar.scrolled {
  background: rgba(13, 27, 42, 0.96);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
  padding: 0.875rem 0;
}

.nav-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.02em;
}

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

.nav-links a {
  color: var(--text-light);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color var(--transition);
}

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

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

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== Hero Section ===== */
#hero {
  min-height: 100vh;
  background: var(--navy);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 6rem 2rem 4rem;
}

#hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(58,134,255,0.12) 0%, transparent 70%);
  pointer-events: none;
}

#hero::after {
  content: '';
  position: absolute;
  bottom: -10%;
  left: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(6,214,160,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-container {
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
}

.hero-greeting {
  color: var(--blue);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  opacity: 0;
  animation: fadeUp 0.6s ease 0.1s forwards;
}

.hero-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 0.5rem;
  opacity: 0;
  animation: fadeUp 0.6s ease 0.2s forwards;
}

.hero-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.25rem, 3vw, 2rem);
  font-weight: 500;
  color: var(--text-light);
  margin-bottom: 1.75rem;
  opacity: 0;
  animation: fadeUp 0.6s ease 0.3s forwards;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
  opacity: 0;
  animation: fadeUp 0.6s ease 0.4s forwards;
}

.badge-tech {
  background: rgba(58,134,255,0.15);
  color: var(--blue-light);
  border: 1px solid rgba(58,134,255,0.3);
  padding: 0.3rem 0.85rem;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  font-family: 'Space Grotesk', monospace;
  letter-spacing: 0.02em;
}

.hero-desc {
  color: var(--text-light);
  font-size: 1.05rem;
  line-height: 1.8;
  max-width: 580px;
  margin-bottom: 2.5rem;
  opacity: 0;
  animation: fadeUp 0.6s ease 0.5s forwards;
}

.hero-stats {
  display: flex;
  gap: 3rem;
  margin-bottom: 2.5rem;
  opacity: 0;
  animation: fadeUp 0.6s ease 0.55s forwards;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.stat-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--blue);
  line-height: 1;
}

.stat-unit {
  font-size: 1.5rem;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--gray-400);
  font-weight: 500;
  letter-spacing: 0.04em;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.6s ease 0.65s forwards;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  transition: all var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
}

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

.btn-primary:hover {
  background: var(--blue-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(58,134,255,0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.3);
}

.btn-secondary:hover {
  border-color: var(--blue);
  color: var(--blue);
  transform: translateY(-2px);
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0;
  animation: fadeIn 1s ease 1.2s forwards;
}

.hero-scroll-indicator span {
  font-size: 0.65rem;
  color: var(--gray-400);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--blue), transparent);
  animation: scrollPulse 1.5s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 1; transform: scaleY(1); }
  50% { opacity: 0.4; transform: scaleY(0.8); }
}

/* ===== Section Common ===== */
.section {
  padding: 6rem 0;
}

.section-dark {
  background: var(--navy);
  color: var(--white);
}

.section-header {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 3rem;
}

.section-label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--blue);
  letter-spacing: 0.12em;
}

.section-label.light {
  color: rgba(58,134,255,0.7);
}

.section-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-dark);
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 40px;
  height: 3px;
  background: var(--blue);
  margin-top: 0.6rem;
  border-radius: 2px;
}

.section-title.light {
  color: var(--white);
}

.section-title.light::after {
  background: var(--blue);
}

.section-sub {
  color: var(--text-light);
  font-size: 0.95rem;
  margin-top: -2rem;
  margin-bottom: 3rem;
}

/* ===== Fade Animation ===== */
.fade-section {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ===== About Section ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about-lead {
  font-size: 1.15rem;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.about-text p {
  color: var(--text-muted);
  margin-bottom: 1rem;
  line-height: 1.8;
}


.about-contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.contact-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 1rem;
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: 100px;
  font-size: 0.82rem;
  color: var(--gray-600);
  transition: all var(--transition);
}

.contact-chip:hover {
  border-color: var(--blue);
  color: var(--blue);
  background: rgba(58,134,255,0.04);
}

/* Skills */
.skills-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.skill-group {
  margin-bottom: 1.25rem;
}

.skill-category {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--gray-400);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.skill-tag {
  padding: 0.3rem 0.7rem;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 500;
  background: var(--gray-100);
  color: var(--gray-600);
  border: 1.5px solid var(--gray-200);
  transition: all var(--transition);
}

.skill-tag:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

/* ===== Projects Section ===== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.project-card {
  background: var(--navy-light);
  border: 1px solid var(--navy-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: all var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(58,134,255,0.15);
  border-color: rgba(58,134,255,0.4);
}

.project-card.featured {
  border-color: rgba(58,134,255,0.5);
  background: linear-gradient(135deg, #112240 0%, #0f2040 100%);
}

.project-card.featured::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(58,134,255,0.06) 0%, transparent 60%);
  pointer-events: none;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.card-icon {
  font-size: 1.75rem;
  line-height: 1;
  flex-shrink: 0;
}

.card-header-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.3rem;
}

.featured-badge {
  background: var(--blue);
  color: var(--white);
  font-size: 0.68rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.card-period {
  font-size: 0.75rem;
  color: var(--gray-400);
  font-family: 'Space Grotesk', monospace;
  text-align: right;
}

.card-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.01em;
}

.card-summary {
  font-size: 0.875rem;
  color: var(--text-light);
  line-height: 1.6;
}

.card-achievements {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.ach-badge {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
  letter-spacing: 0.02em;
}

.ach-badge.green {
  background: rgba(6,214,160,0.15);
  color: #06D6A0;
  border: 1px solid rgba(6,214,160,0.3);
}

.ach-badge.blue {
  background: rgba(58,134,255,0.15);
  color: #5a9bff;
  border: 1px solid rgba(58,134,255,0.3);
}

.ach-badge.gray {
  background: rgba(255,255,255,0.06);
  color: var(--gray-400);
  border: 1px solid rgba(255,255,255,0.12);
}

.card-role {
  font-size: 0.8rem;
  color: var(--gray-400);
  line-height: 1.5;
}

.card-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: auto;
}

.stack-tag {
  background: rgba(255,255,255,0.06);
  color: var(--text-light);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 500;
  font-family: 'Space Grotesk', monospace;
}

/* 모달(라이트 배경) 내 stack-tag 오버라이드 */
.modal-stack-tags .stack-tag {
  background: var(--gray-100);
  color: var(--gray-700);
  border: 1px solid var(--gray-200);
}

.card-links {
  display: flex;
  gap: 0.75rem;
  padding-top: 0.25rem;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.card-link {
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  transition: all var(--transition);
  letter-spacing: 0.02em;
}

.card-link.primary {
  background: var(--blue);
  color: var(--white);
}

.card-link.primary:hover {
  background: var(--blue-light);
  transform: translateY(-1px);
}

.card-link.secondary {
  color: var(--gray-300);
  border: 1px solid rgba(255,255,255,0.35);
  background: rgba(255,255,255,0.06);
}

.card-link.secondary:hover {
  color: var(--white);
  border-color: rgba(58,134,255,0.7);
  background: rgba(58,134,255,0.12);
}

/* ===== Experience Section ===== */
.exp-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.exp-group-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 1.5rem;
  padding-bottom: 0.6rem;
  border-bottom: 2px solid var(--gray-100);
}

/* Timeline */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.timeline-item {
  display: flex;
  gap: 1.25rem;
  position: relative;
  padding-bottom: 1.75rem;
}

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

.timeline-item:not(:last-child)::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 16px;
  bottom: 0;
  width: 1px;
  background: var(--gray-200);
}

.tl-dot {
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--white);
  border: 2.5px solid var(--blue);
  flex-shrink: 0;
  margin-top: 3px;
  position: relative;
  z-index: 1;
}

.tl-period {
  font-size: 0.75rem;
  color: var(--blue);
  font-weight: 600;
  font-family: 'Space Grotesk', monospace;
  letter-spacing: 0.02em;
  display: block;
  margin-bottom: 0.2rem;
}

.tl-org {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.2rem;
}

.tl-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Certificates */
.cert-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.cert-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 0.875rem;
  background: var(--gray-50);
  border-radius: 8px;
  border: 1px solid var(--gray-100);
}

.cert-name {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-dark);
}

.cert-date {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: 'Space Grotesk', monospace;
}

/* ===== Awards Section ===== */
.awards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: start;
}

.award-big-card {
  background: var(--navy-light);
  border: 1px solid var(--navy-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.award-big-card:hover {
  transform: translateY(-4px);
  border-color: rgba(58,134,255,0.35);
  box-shadow: 0 16px 48px rgba(58,134,255,0.12);
}

.award-big-card.featured {
  border-color: rgba(6,214,160,0.35);
  background: linear-gradient(135deg, #112240 0%, #0d2035 100%);
}

.award-big-card.featured:hover {
  border-color: rgba(6,214,160,0.6);
  box-shadow: 0 16px 48px rgba(6,214,160,0.12);
}

.award-big-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.award-big-badge {
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.3rem 0.875rem;
  border-radius: 100px;
  background: rgba(6,214,160,0.15);
  color: var(--green);
  border: 1px solid rgba(6,214,160,0.3);
  letter-spacing: 0.03em;
}

.award-big-badge.secondary {
  background: rgba(58,134,255,0.12);
  color: var(--blue-light);
  border-color: rgba(58,134,255,0.25);
}

.award-big-date {
  font-size: 0.75rem;
  color: var(--gray-400);
  font-family: 'Space Grotesk', monospace;
}

.award-big-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.01em;
  line-height: 1.4;
}

.award-big-project {
  font-size: 0.85rem;
  color: var(--gray-400);
  line-height: 1.5;
}

.award-sub-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 0.5rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255,255,255,0.07);
}

.award-sub-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.award-sub-icon {
  font-size: 1rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.award-sub-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--green);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 0.1rem;
}

.award-sub-detail {
  display: block;
  font-size: 0.82rem;
  color: var(--text-light);
  line-height: 1.4;
}

/* ===== Contact Section ===== */
.section-contact {
  background: var(--gray-50);
}

.section-contact .section-label {
  color: var(--blue);
}

.section-contact .section-title {
  color: var(--text-dark);
}

.section-contact .section-title::after {
  background: var(--blue);
}

.contact-wrap {
  text-align: center;
}

.contact-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 3rem;
}

.contact-items {
  display: flex;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.75rem;
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  transition: all var(--transition);
  min-width: 240px;
  box-shadow: var(--shadow-sm);
}

.contact-card:hover {
  border-color: var(--blue);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(58,134,255,0.12);
}

.contact-card-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.contact-card div {
  display: flex;
  flex-direction: column;
  text-align: left;
  gap: 0.1rem;
}

.contact-card-label {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--blue);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.contact-card-value {
  font-size: 0.9rem;
  color: var(--text-dark);
  font-weight: 500;
}

/* ===== Footer ===== */
footer {
  background: #060e18;
  padding: 1.5rem 0;
}

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

footer span {
  font-size: 0.8rem;
  color: var(--gray-400);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  font-size: 0.8rem;
  color: var(--gray-400);
  transition: color var(--transition);
}

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

/* ===== Project Modal ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(6, 12, 22, 0.82);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.modal-overlay.modal-visible {
  opacity: 1;
}

.modal-overlay[hidden] {
  display: none !important;
}

.modal-panel {
  background: #f0f4f8;
  border: 1px solid rgba(0,0,0,0.10);
  border-radius: 20px;
  width: 100%;
  max-width: 760px;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: 0 32px 80px rgba(0,0,0,0.5);
  transform: translateY(20px) scale(0.97);
  transition: transform 0.25s ease;
}

.modal-overlay.modal-visible .modal-panel {
  transform: translateY(0) scale(1);
}

.modal-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  z-index: 1;
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  color: var(--gray-500);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.modal-close:hover {
  background: var(--gray-200);
  color: var(--gray-800);
  transform: rotate(90deg);
}

.modal-scroll {
  overflow-y: auto;
  padding: 2.25rem 2.25rem 2rem;
  scrollbar-width: thin;
  scrollbar-color: rgba(58,134,255,0.3) transparent;
}

.modal-scroll::-webkit-scrollbar {
  width: 4px;
}

.modal-scroll::-webkit-scrollbar-track {
  background: transparent;
}

.modal-scroll::-webkit-scrollbar-thumb {
  background: rgba(0,0,0,0.18);
  border-radius: 4px;
}

/* Modal inner elements */
.modal-header {
  margin-bottom: 1.5rem;
  padding-right: 2.5rem;
}

.modal-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.6rem;
  flex-wrap: wrap;
}

.modal-icon {
  font-size: 2rem;
  line-height: 1;
}

.modal-period {
  font-size: 0.75rem;
  color: var(--blue);
  font-family: 'Space Grotesk', monospace;
  font-weight: 600;
  background: rgba(58,134,255,0.1);
  border: 1px solid rgba(58,134,255,0.2);
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
}

.modal-team {
  font-size: 0.75rem;
  color: var(--gray-400);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
}

#modal-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.02em;
  margin-bottom: 0.4rem;
}

.modal-summary {
  font-size: 0.9rem;
  color: var(--gray-500);
  margin-top: 0.35rem;
  line-height: 1.6;
}

.modal-section {
  margin-bottom: 1.75rem;
}

.modal-section-title {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--blue);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.modal-section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--gray-200);
}

.modal-achievements {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.modal-stack-groups {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.modal-stack-row {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.modal-stack-cat {
  font-size: 0.7rem;
  color: var(--gray-400);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  min-width: 80px;
  padding-top: 0.25rem;
}

.modal-stack-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.modal-implemented {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.modal-implemented li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.875rem;
  color: var(--gray-700);
  line-height: 1.55;
}

.modal-implemented li::before {
  content: '▸';
  color: var(--blue);
  flex-shrink: 0;
  margin-top: 1px;
}

.modal-ts-list {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.modal-ts-item {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 10px;
  padding: 1rem 1.125rem;
}

.modal-ts-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.modal-ts-title::before {
  content: '🔴';
  font-size: 0.7rem;
}

.modal-ts-rows {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.modal-ts-row {
  display: flex;
  gap: 0.75rem;
  font-size: 0.8rem;
  line-height: 1.55;
}

.modal-ts-label {
  color: var(--blue);
  font-weight: 600;
  min-width: 40px;
  flex-shrink: 0;
}

.modal-ts-text {
  color: var(--gray-600);
}

.modal-perf-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
  margin-top: 0.25rem;
}

.modal-perf-table th {
  background: rgba(58,134,255,0.08);
  color: var(--blue);
  font-weight: 600;
  padding: 0.45rem 0.75rem;
  text-align: left;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
}

.modal-perf-table th:first-child { border-radius: 6px 0 0 6px; }
.modal-perf-table th:last-child { border-radius: 0 6px 6px 0; }

.modal-perf-table td {
  padding: 0.45rem 0.75rem;
  color: var(--gray-700);
  border-bottom: 1px solid var(--gray-100);
}

.modal-perf-table tr:last-child td {
  border-bottom: none;
}

.modal-perf-table .highlight {
  color: var(--green);
  font-weight: 700;
}

.modal-footer {
  padding-top: 1.25rem;
  border-top: 1px solid var(--gray-200);
  display: flex;
  gap: 0.75rem;
}

.modal-github-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.65rem 1.5rem;
  background: var(--blue);
  color: var(--white);
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  transition: all var(--transition);
}

.modal-github-btn:hover {
  background: var(--blue-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(58,134,255,0.35);
}

.modal-awards {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.modal-award-item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.875rem;
  color: var(--gray-700);
  line-height: 1.55;
  padding: 0.5rem 0.75rem;
  background: rgba(6,214,160,0.06);
  border: 1px solid rgba(6,214,160,0.25);
  border-radius: 8px;
}

.modal-award-item .award-emoji {
  flex-shrink: 0;
  font-size: 1rem;
}

/* Mobile modal */
@media (max-width: 640px) {
  .modal-overlay {
    padding: 0;
    align-items: flex-end;
  }

  .modal-panel {
    border-radius: 20px 20px 0 0;
    max-height: 92vh;
  }

  .modal-scroll {
    padding: 1.5rem 1.25rem 1.5rem;
  }

  .modal-stack-row {
    flex-direction: column;
    gap: 0.3rem;
  }

  .modal-stack-cat {
    min-width: unset;
  }
}

/* ===== Animations ===== */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ===== Responsive ===== */

/* Tablet */
@media (max-width: 1024px) {
  .projects-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
  }

  .about-grid {
    gap: 3rem;
  }
}

@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .exp-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .awards-grid {
    grid-template-columns: 1fr;
  }

  .projects-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* Mobile */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(13,27,42,0.98);
    backdrop-filter: blur(12px);
    padding: 1.5rem 2rem;
    flex-direction: column;
    gap: 1.25rem;
    border-top: 1px solid rgba(255,255,255,0.06);
  }

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

  .nav-links a {
    font-size: 1rem;
  }

  .nav-toggle {
    display: flex;
  }

  #navbar {
    background: rgba(13,27,42,0.96);
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    gap: 2rem;
  }

  .hero-cta {
    flex-direction: column;
    align-items: flex-start;
  }

  .contact-items {
    flex-direction: column;
    align-items: center;
  }

  .contact-card {
    width: 100%;
    max-width: 340px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
  }

  .section {
    padding: 4rem 0;
  }

  .hero-desc br {
    display: none;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1.25rem;
  }

  .hero-stats {
    gap: 1.5rem;
  }

  .stat-num {
    font-size: 1.75rem;
  }

  .about-contact-links {
    flex-direction: column;
  }

  .award-card {
    flex-direction: column;
    gap: 0.75rem;
  }

  .hero-scroll-indicator {
    display: none;
  }
}