/* ============================================
   ISAAC ADDO AFO MENSAH - PORTFOLIO STYLES
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800;900&family=Playfair+Display:wght@400;700&display=swap');

/* ---- CSS Variables ---- */
:root {
  --primary: #0f4c81;
  --primary-light: #1a6bb5;
  --primary-dark: #0a3560;
  --accent: #00c9a7;
  --accent-light: #00e5be;
  --accent-dark: #00a88c;
  --gold: #f5a623;
  --dark: #0d1b2a;
  --dark-2: #1a2a3a;
  --dark-3: #243447;
  --text-light: #cdd9e5;
  --text-muted: #8899aa;
  --white: #ffffff;
  --card-bg: rgba(255,255,255,0.04);
  --card-border: rgba(255,255,255,0.08);
  --shadow-sm: 0 4px 15px rgba(0,0,0,0.2);
  --shadow-md: 0 8px 30px rgba(0,0,0,0.3);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.4);
  --radius: 16px;
  --radius-sm: 8px;
  --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: 'Poppins', sans-serif;
  background: var(--dark);
  color: var(--text-light);
  line-height: 1.7;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--dark); }
::-webkit-scrollbar-thumb { background: var(--primary-light); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0 2rem;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(13, 27, 42, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--card-border);
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(13, 27, 42, 0.98);
  box-shadow: var(--shadow-md);
}

.nav-logo {
  font-size: 1.4rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  gap: 0.3rem;
  align-items: center;
}

.nav-links a {
  padding: 0.45rem 1rem;
  border-radius: 50px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition);
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--white);
  background: rgba(255,255,255,0.08);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 50%;
  transform: translateX(-50%);
  width: 20px; height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.nav-cta {
  background: linear-gradient(135deg, var(--accent), var(--primary-light)) !important;
  color: var(--white) !important;
  padding: 0.45rem 1.2rem !important;
  font-weight: 600 !important;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,201,167,0.35) !important;
  background: rgba(255,255,255,0.08) !important;
}

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

.hamburger span {
  display: block;
  width: 25px; height: 2px;
  background: var(--text-light);
  border-radius: 2px;
  transition: var(--transition);
}

.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 100px 2rem 60px;
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 50%, var(--dark-3) 100%);
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.hero-bg .blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.15;
  animation: float 8s ease-in-out infinite;
}

.hero-bg .blob-1 {
  width: 500px; height: 500px;
  background: var(--primary);
  top: -100px; left: -100px;
  animation-delay: 0s;
}

.hero-bg .blob-2 {
  width: 400px; height: 400px;
  background: var(--accent);
  bottom: -100px; right: -50px;
  animation-delay: 3s;
}

.hero-bg .blob-3 {
  width: 300px; height: 300px;
  background: var(--gold);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: 6s;
}

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

.hero-grid {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content { }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(0,201,167,0.12);
  border: 1px solid rgba(0,201,167,0.3);
  color: var(--accent);
  padding: 0.4rem 1rem;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero-badge .dot {
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-name {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 0.5rem;
  color: var(--white);
}

.hero-name span {
  background: linear-gradient(135deg, var(--accent), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-title {
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--gold);
  margin-bottom: 1.5rem;
  letter-spacing: 0.5px;
}

.hero-desc {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 480px;
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

.hero-stats {
  display: flex;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.stat-item { text-align: center; }

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
  background: linear-gradient(135deg, var(--accent), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 0.2rem;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  outline: none;
  font-family: 'Poppins', sans-serif;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--primary-light));
  color: var(--white);
  box-shadow: 0 6px 25px rgba(0,201,167,0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(0,201,167,0.45);
}

.btn-outline {
  background: transparent;
  color: var(--text-light);
  border: 1.5px solid var(--card-border);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.06);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
}

/* Hero Image */
.hero-image-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.hero-image-ring {
  position: relative;
  width: 380px;
  height: 380px;
}

.hero-image-ring::before {
  content: '';
  position: absolute;
  inset: -12px;
  border-radius: 50%;
  background: conic-gradient(var(--accent), var(--primary-light), var(--gold), var(--accent));
  animation: spin 6s linear infinite;
  z-index: 0;
}

.hero-image-ring::after {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  background: var(--dark-2);
  z-index: 1;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.hero-img {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  border: 4px solid var(--dark-2);
}

.hero-card-badge {
  position: absolute;
  background: var(--dark-2);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  padding: 0.6rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  box-shadow: var(--shadow-md);
  z-index: 3;
  white-space: nowrap;
  transition: var(--transition);
}

.hero-card-badge:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }

.hero-card-badge.badge-1 {
  bottom: 30px; left: -20px;
  color: var(--accent);
}

.hero-card-badge.badge-2 {
  top: 30px; right: -20px;
  color: var(--gold);
}

.hero-card-badge .badge-icon { font-size: 1.2rem; }

/* ============================================
   SECTION COMMONS
   ============================================ */
section { padding: 100px 2rem; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-tag {
  display: inline-block;
  background: rgba(0,201,167,0.1);
  border: 1px solid rgba(0,201,167,0.25);
  color: var(--accent);
  padding: 0.3rem 1rem;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.section-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 1rem;
  line-height: 1.2;
}

.section-title span {
  background: linear-gradient(135deg, var(--accent), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 550px;
  margin: 0 auto;
  line-height: 1.8;
}

.divider {
  width: 60px; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--primary-light));
  border-radius: 3px;
  margin: 1rem auto 0;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about { background: var(--dark-2); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 4rem;
  align-items: center;
}

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

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

.about-img-frame img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  object-position: center top;
  transition: transform 0.5s ease;
}

.about-img-frame:hover img { transform: scale(1.04); }

.about-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13,27,42,0.7) 0%, transparent 60%);
}

.about-exp-badge {
  position: absolute;
  bottom: -20px; right: -20px;
  background: linear-gradient(135deg, var(--accent), var(--primary-light));
  color: var(--white);
  padding: 1.2rem 1.5rem;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: var(--shadow-md);
}

.about-exp-badge .exp-num {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1;
}

.about-exp-badge .exp-text {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  opacity: 0.9;
}

.about-content { }

.about-intro {
  font-size: 1.05rem;
  color: var(--text-light);
  line-height: 1.9;
  margin-bottom: 2rem;
}

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

.info-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.info-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.info-value {
  font-size: 0.95rem;
  color: var(--text-light);
  font-weight: 500;
}

.info-value a { color: var(--accent); transition: var(--transition); }
.info-value a:hover { color: var(--accent-light); }

/* ============================================
   EXPERIENCE SECTION
   ============================================ */
.experience { background: var(--dark); }

.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--primary-light), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: 3rem;
  padding-left: 2.5rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -2.5rem;
  top: 6px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--dark);
  box-shadow: 0 0 0 3px rgba(0,201,167,0.3);
  transition: var(--transition);
}

.timeline-item:hover::before {
  background: var(--gold);
  box-shadow: 0 0 0 5px rgba(245,166,35,0.3);
  transform: scale(1.3);
}

.timeline-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.timeline-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 100%;
  background: linear-gradient(to bottom, var(--accent), var(--primary-light));
  opacity: 0;
  transition: var(--transition);
}

.timeline-card:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(0,201,167,0.3);
  transform: translateX(8px);
  box-shadow: var(--shadow-md);
}

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

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.timeline-role {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
}

.timeline-period {
  background: rgba(0,201,167,0.1);
  border: 1px solid rgba(0,201,167,0.2);
  color: var(--accent);
  padding: 0.25rem 0.8rem;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
}

.timeline-company {
  font-size: 0.9rem;
  color: var(--gold);
  font-weight: 500;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.timeline-duties {
  padding-left: 0;
}

.timeline-duties li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  transition: var(--transition);
}

.timeline-duties li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.8rem;
}

.timeline-card:hover .timeline-duties li { color: var(--text-light); }

/* ============================================
   SKILLS SECTION
   ============================================ */
.skills { background: var(--dark-2); }

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 1rem;
}

.skill-chip {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1rem;
  text-align: center;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: default;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.skill-chip::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,201,167,0.1), rgba(26,107,181,0.1));
  opacity: 0;
  transition: var(--transition);
}

.skill-chip:hover {
  color: var(--white);
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(0,201,167,0.2);
}

.skill-chip:hover::before { opacity: 1; }

.skill-chip .skill-icon {
  font-size: 1.4rem;
  margin-bottom: 0.4rem;
  display: block;
}

/* ============================================
   EDUCATION SECTION
   ============================================ */
.education { background: var(--dark); }

.edu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.edu-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.edu-card::after {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 80px; height: 80px;
  background: linear-gradient(135deg, var(--accent), var(--primary-light));
  opacity: 0.06;
  border-radius: 0 var(--radius) 0 100%;
  transition: var(--transition);
}

.edu-card:hover {
  border-color: rgba(0,201,167,0.35);
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  background: rgba(255,255,255,0.05);
}

.edu-card:hover::after { opacity: 0.12; width: 120px; height: 120px; }

.edu-icon {
  width: 52px; height: 52px;
  background: linear-gradient(135deg, var(--accent), var(--primary-light));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1.2rem;
  box-shadow: 0 6px 20px rgba(0,201,167,0.25);
}

.edu-degree {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.4rem;
}

.edu-school {
  font-size: 0.88rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 0.3rem;
}

.edu-period {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.8rem;
}

.edu-detail {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ============================================
   HOBBIES SECTION
   ============================================ */
.hobbies { background: var(--dark-2); }

.hobbies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}

.hobby-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: var(--transition);
  cursor: default;
}

.hobby-card:hover {
  border-color: rgba(0,201,167,0.35);
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 15px 40px rgba(0,201,167,0.15);
  background: rgba(255,255,255,0.05);
}

.hobby-icon {
  font-size: 2.8rem;
  margin-bottom: 1rem;
  display: block;
  transition: var(--transition);
}

.hobby-card:hover .hobby-icon { transform: scale(1.2) rotate(5deg); }

.hobby-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-light);
  transition: var(--transition);
}

.hobby-card:hover .hobby-name { color: var(--accent); }

/* ============================================
   REFERENCES SECTION
   ============================================ */
.references { background: var(--dark); }

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

.ref-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.ref-card::before {
  content: '"';
  position: absolute;
  top: -10px; right: 20px;
  font-size: 8rem;
  font-family: 'Playfair Display', serif;
  color: var(--accent);
  opacity: 0.06;
  line-height: 1;
  transition: var(--transition);
}

.ref-card:hover {
  border-color: rgba(0,201,167,0.35);
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  background: rgba(255,255,255,0.05);
}

.ref-card:hover::before { opacity: 0.1; }

.ref-avatar {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 1rem;
  box-shadow: 0 6px 20px rgba(0,201,167,0.25);
}

.ref-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.3rem;
}

.ref-org {
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 0.8rem;
}

.ref-contact {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.ref-contact a {
  color: var(--text-muted);
  transition: var(--transition);
}

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

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
  background: linear-gradient(135deg, var(--dark-2) 0%, var(--dark-3) 100%);
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,201,167,0.06) 0%, transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
  position: relative;
  z-index: 1;
}

.contact-info { }

.contact-intro {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 2.5rem;
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.2rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.contact-item:hover {
  border-color: rgba(0,201,167,0.35);
  background: rgba(255,255,255,0.05);
  transform: translateX(6px);
}

.contact-item-icon {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, rgba(0,201,167,0.15), rgba(26,107,181,0.15));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
  transition: var(--transition);
}

.contact-item:hover .contact-item-icon {
  background: linear-gradient(135deg, var(--accent), var(--primary-light));
}

.contact-item-text { }

.contact-item-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.contact-item-value {
  font-size: 0.95rem;
  color: var(--text-light);
  font-weight: 500;
}

.contact-item-value a { color: var(--text-light); transition: var(--transition); }
.contact-item-value a:hover { color: var(--accent); }

/* Contact Form */
.contact-form-wrap { }

.contact-form {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 2.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.5rem;
}

.form-input,
.form-textarea {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1.5px solid var(--card-border);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1.1rem;
  font-size: 0.95rem;
  color: var(--text-light);
  font-family: 'Poppins', sans-serif;
  transition: var(--transition);
  outline: none;
}

.form-input::placeholder,
.form-textarea::placeholder { color: var(--text-muted); }

.form-input:focus,
.form-textarea:focus {
  border-color: var(--accent);
  background: rgba(0,201,167,0.04);
  box-shadow: 0 0 0 3px rgba(0,201,167,0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 130px;
}

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

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--dark);
  border-top: 1px solid var(--card-border);
  padding: 2.5rem 2rem;
  text-align: center;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-logo {
  font-size: 1.2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.footer-text span { color: var(--accent); }

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

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: var(--transition);
}

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

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 2rem; right: 2rem;
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--accent), var(--primary-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--white);
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(0,201,167,0.35);
  transition: var(--transition);
  opacity: 0;
  pointer-events: none;
  z-index: 999;
  border: none;
  outline: none;
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: all;
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0,201,167,0.5);
}

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

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

.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* Stagger delays */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; gap: 3rem; }
  .hero-content { order: 2; }
  .hero-image-wrap { order: 1; }
  .hero-desc { margin: 0 auto 2.5rem; }
  .hero-stats { justify-content: center; }
  .hero-actions { justify-content: center; }
  .hero-image-ring { width: 300px; height: 300px; }
  .hero-card-badge.badge-1 { left: 0; }
  .hero-card-badge.badge-2 { right: 0; }

  .about-grid { grid-template-columns: 1fr; }
  .about-image-wrap { max-width: 400px; margin: 0 auto; }
  .about-exp-badge { bottom: -10px; right: 10px; }

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

@media (max-width: 768px) {
  .nav-links { display: none; position: fixed; top: 70px; left: 0; right: 0; background: rgba(13,27,42,0.98); flex-direction: column; padding: 1.5rem; gap: 0.5rem; border-bottom: 1px solid var(--card-border); }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 0.7rem 1rem; border-radius: var(--radius-sm); }
  .hamburger { display: flex; }

  section { padding: 70px 1.5rem; }

  .hero-image-ring { width: 250px; height: 250px; }

  .skills-grid { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); }

  .form-row { grid-template-columns: 1fr; }

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

  .about-info-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero-name { font-size: 2rem; }
  .hero-stats { gap: 1.2rem; }
  .stat-number { font-size: 1.6rem; }
  .hero-image-ring { width: 220px; height: 220px; }
  .hero-card-badge { display: none; }
  .contact-form { padding: 1.5rem; }
  .timeline { padding-left: 1.5rem; }
  .timeline-item { padding-left: 2rem; }
}