/* ===================================================
   RUTUJA DESHMUKH — PORTFOLIO STYLESHEET
   Theme: Modern White + Blue Professional
   =================================================== */

/* ============ CSS VARIABLES ============ */
:root {
  --blue-50:  #eff6ff;
  --blue-100: #dbeafe;
  --blue-200: #bfdbfe;
  --blue-300: #93c5fd;
  --blue-400: #60a5fa;
  --blue-500: #3b82f6;
  --blue-600: #2563eb;
  --blue-700: #1d4ed8;
  --blue-800: #1e40af;
  --blue-900: #1e3a8a;

  --white:    #ffffff;
  --gray-50:  #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;

  --primary:         var(--blue-600);
  --primary-light:   var(--blue-500);
  --primary-dark:    var(--blue-700);
  --primary-bg:      var(--blue-50);

  --gradient-main:   linear-gradient(135deg, var(--blue-600) 0%, var(--blue-800) 100%);
  --gradient-light:  linear-gradient(135deg, var(--blue-50) 0%, var(--blue-100) 100%);
  --gradient-text:   linear-gradient(135deg, var(--blue-600), var(--blue-400));

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'DM Sans', -apple-system, sans-serif;

  --shadow-sm:  0 1px 3px rgba(59,130,246,.10), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md:  0 4px 16px rgba(59,130,246,.14), 0 2px 8px rgba(0,0,0,.05);
  --shadow-lg:  0 10px 40px rgba(59,130,246,.18), 0 4px 16px rgba(0,0,0,.07);
  --shadow-xl:  0 20px 60px rgba(59,130,246,.20), 0 8px 24px rgba(0,0,0,.08);

  --radius-sm:  8px;
  --radius-md:  14px;
  --radius-lg:  20px;
  --radius-xl:  28px;

  --transition: all .3s cubic-bezier(.4,0,.2,1);
  --navbar-h:   72px;
}

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

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

body {
  font-family: var(--font-body);
  color: var(--gray-700);
  background: var(--white);
  overflow-x: hidden;
  line-height: 1.7;
}

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

::selection {
  background: var(--blue-200);
  color: var(--blue-900);
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--gray-100); }
::-webkit-scrollbar-thumb { background: var(--blue-400); border-radius: 99px; }

/* ============ UTILITY ============ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Section Headers */
.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-tag {
  display: inline-block;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--blue-600);
  background: var(--blue-50);
  border: 1px solid var(--blue-200);
  border-radius: 99px;
  padding: 4px 16px;
  margin-bottom: 14px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  color: var(--gray-900);
  margin-bottom: 12px;
  line-height: 1.2;
}
.section-subtitle {
  font-size: 1.05rem;
  color: var(--gray-500);
  max-width: 540px;
  margin: 0 auto;
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 99px;
  font-family: var(--font-body);
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--gradient-main);
  color: white;
  box-shadow: 0 4px 20px rgba(37,99,235,.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(37,99,235,.45);
}
.btn-outline {
  background: transparent;
  color: var(--blue-600);
  border-color: var(--blue-300);
}
.btn-outline:hover {
  background: var(--blue-50);
  border-color: var(--blue-500);
  transform: translateY(-2px);
}
.btn-sm {
  padding: 8px 18px;
  font-size: .85rem;
}
.btn-full { width: 100%; justify-content: center; }

/* ============ SCROLL REVEAL ANIMATIONS ============ */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay { transition-delay: .18s; }

/* ============ NAVBAR ============ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--navbar-h);
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  z-index: 1000;
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(255,255,255,.95);
  border-bottom-color: var(--gray-200);
  box-shadow: var(--shadow-sm);
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
}
.logo-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--gradient-main);
  display: inline-block;
  margin-right: 2px;
}
.logo-accent { color: var(--blue-600); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-link {
  padding: 6px 14px;
  border-radius: 99px;
  font-size: .9rem;
  font-weight: 500;
  color: var(--gray-600);
  transition: var(--transition);
}
.nav-link:hover,
.nav-link.active {
  color: var(--blue-600);
  background: var(--blue-50);
}

.nav-cta {
  padding: 9px 22px;
  background: var(--gradient-main);
  color: white;
  border-radius: 99px;
  font-size: .88rem;
  font-weight: 600;
  box-shadow: 0 3px 14px rgba(37,99,235,.3);
  transition: var(--transition);
}
.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(37,99,235,.4);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.hamburger span {
  display: block;
  width: 24px; height: 2.5px;
  background: var(--gray-700);
  border-radius: 99px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: var(--navbar-h);
  left: 0; right: 0; bottom: 0;
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-12px);
  transition: var(--transition);
  z-index: 999;
}
.mobile-menu.open {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}
.mobile-menu ul {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.mobile-link {
  display: block;
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--gray-700);
  padding: 12px 32px;
  border-radius: var(--radius-lg);
  transition: var(--transition);
}
.mobile-link:hover {
  color: var(--blue-600);
  background: var(--blue-50);
}

/* ============ HERO SECTION ============ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--navbar-h);
  background: linear-gradient(155deg, #ffffff 0%, #f0f6ff 50%, #e8f0fe 100%);
}

/* Animated blobs */
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .35;
  animation: blobFloat 10s ease-in-out infinite alternate;
}
.blob-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, var(--blue-300), var(--blue-500));
  top: -150px; right: -100px;
  animation-duration: 12s;
}
.blob-2 {
  width: 350px; height: 350px;
  background: radial-gradient(circle, var(--blue-200), var(--blue-400));
  bottom: -80px; left: -60px;
  animation-duration: 9s;
  animation-delay: -3s;
}
.blob-3 {
  width: 250px; height: 250px;
  background: radial-gradient(circle, var(--blue-100), var(--blue-300));
  top: 40%; left: 40%;
  animation-duration: 14s;
  animation-delay: -6s;
}
@keyframes blobFloat {
  0%   { transform: translate(0,0) scale(1); }
  50%  { transform: translate(30px,-20px) scale(1.08); }
  100% { transform: translate(-20px,20px) scale(.95); }
}

/* Geometric shapes */
.shape {
  position: absolute;
  pointer-events: none;
  opacity: .5;
}
.shape-circle {
  width: 120px; height: 120px;
  border: 3px solid var(--blue-300);
  border-radius: 50%;
  top: 18%; left: 8%;
  animation: spinSlow 20s linear infinite;
}
.shape-ring {
  width: 70px; height: 70px;
  border: 2px solid var(--blue-400);
  border-radius: 50%;
  bottom: 25%; right: 12%;
  animation: spinSlow 15s linear infinite reverse;
}
.shape-dots {
  width: 160px; height: 160px;
  bottom: 15%; left: 15%;
  background-image: radial-gradient(circle, var(--blue-400) 1.5px, transparent 1.5px);
  background-size: 16px 16px;
  animation: blobFloat 8s ease-in-out infinite alternate;
}
@keyframes spinSlow {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 24px 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
  position: relative;
  z-index: 2;
}

/* Hero Badge */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--blue-50);
  border: 1px solid var(--blue-200);
  border-radius: 99px;
  padding: 6px 16px;
  font-size: .82rem;
  font-weight: 600;
  color: var(--blue-700);
  margin-bottom: 20px;
}
.badge-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #10b981;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,100% { box-shadow: 0 0 0 0 rgba(16,185,129,.4); }
  50%      { box-shadow: 0 0 0 6px rgba(16,185,129,0); }
}

/* Hero Name */
.hero-name {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5.5vw, 5rem);
  font-weight: 800;
  line-height: 1.08;
  color: var(--gray-900);
  margin-bottom: 16px;
}

.hero-subtitle {
  font-size: 1rem;
  font-weight: 500;
  color: var(--blue-600);
  letter-spacing: .02em;
  margin-bottom: 14px;
}

.hero-tagline {
  font-size: 1.05rem;
  color: var(--gray-500);
  max-width: 440px;
  margin-bottom: 32px;
  line-height: 1.7;
}

.hero-btns {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

/* Hero Stats */
.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
}
.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.stat-num {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--blue-700);
  line-height: 1;
}
.stat-label {
  font-size: .75rem;
  color: var(--gray-500);
  font-weight: 500;
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--gray-200);
}

/* Hero Visual (no avatar) */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-visual-inner {
  position: relative;
  width: 420px;
  height: 420px;
}

/* Central rings */
.visual-center {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  justify-content: center;
}
.ring {
  position: absolute;
  border-radius: 50%;
  border: 2px solid var(--blue-300);
}
.ring-outer  { width: 220px; height: 220px; opacity: .35; animation: spinSlow 22s linear infinite; }
.ring-mid    { width: 160px; height: 160px; opacity: .5;  animation: spinSlow 16s linear infinite reverse; border-color: var(--blue-400); }
.ring-inner  { width: 100px; height: 100px; opacity: .6;  animation: spinSlow 10s linear infinite; border-color: var(--blue-500); }
.visual-core {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--gradient-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: white;
  box-shadow: 0 0 32px rgba(37,99,235,.45), 0 0 80px rgba(37,99,235,.18);
  position: relative;
  z-index: 2;
}

/* Floating tech pills */
.tech-pill {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 6px;
  background: white;
  border: 1.5px solid var(--blue-200);
  border-radius: 99px;
  padding: 8px 16px;
  font-size: .8rem;
  font-weight: 600;
  color: var(--blue-700);
  box-shadow: var(--shadow-md);
  white-space: nowrap;
  z-index: 5;
}
.tech-pill i { font-size: 1rem; color: var(--blue-500); }

/* Position each pill around the circle */
.pill-1 { top: 0%;   left: 50%; transform: translateX(-50%); animation: floatPill 4.0s ease-in-out infinite alternate; }
.pill-2 { top: 12%;  right: 2%; animation: floatPill 3.6s ease-in-out infinite alternate; animation-delay: .4s; }
.pill-3 { top: 42%;  right: -6%; animation: floatPill 4.4s ease-in-out infinite alternate; animation-delay: .8s; }
.pill-4 { bottom: 12%; right: 4%; animation: floatPill 3.8s ease-in-out infinite alternate; animation-delay: .2s; }
.pill-5 { bottom: 0%;  left: 50%; transform: translateX(-50%); animation: floatPill 4.2s ease-in-out infinite alternate; animation-delay: .6s; }
.pill-6 { bottom: 12%; left: 2%; animation: floatPill 3.5s ease-in-out infinite alternate; animation-delay: 1.0s; }
.pill-7 { top: 42%;  left: -6%; animation: floatPill 4.6s ease-in-out infinite alternate; animation-delay: .3s; }
.pill-8 { top: 12%;  left: 2%; animation: floatPill 3.9s ease-in-out infinite alternate; animation-delay: .7s; }

@keyframes floatPill {
  from { transform: translateY(0); }
  to   { transform: translateY(-10px); }
}
.pill-1, .pill-5 {
  animation-name: floatPillCenter;
}
@keyframes floatPillCenter {
  from { transform: translateX(-50%) translateY(0); }
  to   { transform: translateX(-50%) translateY(-10px); }
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 30px; left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--gray-400);
  font-size: .75rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  z-index: 3;
  animation: fadeUpDown 2s ease-in-out infinite;
}
.scroll-mouse {
  width: 22px; height: 36px;
  border: 2px solid var(--gray-300);
  border-radius: 99px;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: 5px;
}
.scroll-wheel {
  width: 3px; height: 8px;
  background: var(--blue-400);
  border-radius: 99px;
  animation: scrollWheel 1.8s ease-in-out infinite;
}
@keyframes scrollWheel {
  0%   { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(10px); }
}
@keyframes fadeUpDown {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50%      { transform: translateX(-50%) translateY(-5px); }
}

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

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 60px;
  align-items: start;
  margin-bottom: 72px;
}

/* Added for proper image column alignment */
.about-image-col {
  display: flex;
  justify-content: center;
}

.about-image-card {
  position: relative;
  width: 100%;
  max-width: 380px;
  background: #ffffff;
  border-radius: 24px;
  padding: 16px;
  border: 1px solid #dbeafe;
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.08);
}

/* FIXED IMAGE CONTAINER */
.about-img-placeholder {
  width: 100%;
  aspect-ratio: 4 / 5;
  border-radius: 20px;
  overflow: hidden;
  border: 2px solid #bfdbfe;
  background: #f8fafc;
  position: relative;
}

/* NEW IMAGE STYLE */
.about-profile-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 18%;
  display: block;
}

/* FIXED EDUCATION BADGE */
.about-badge {
  position: absolute;
  left: 50%;
  bottom: -18px;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 12px;
  background: #ffffff;
  padding: 12px 16px;
  border-radius: 16px;
  border: 1px solid #dbeafe;
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.12);
  min-width: 280px;
  max-width: 90%;
}

.about-badge i {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, #2563eb, #3b82f6);
  color: #ffffff;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.badge-title {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  color: #1e3a8a;
  line-height: 1.3;
}

.badge-sub {
  display: block;
  font-size: 0.82rem;
  font-weight: 500;
  color: #64748b;
  margin-top: 2px;
}

.about-greeting {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--gray-900);
  margin-bottom: 20px;
}

.about-para {
  color: var(--gray-600);
  margin-bottom: 18px;
  line-height: 1.8;
}

.about-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 28px 0;
}

.detail-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .88rem;
  color: var(--gray-600);
}

.detail-item i {
  color: var(--blue-500);
  font-size: 1.1rem;
  flex-shrink: 0;
}

/* Education Timeline */
.education-timeline {
  background: var(--gray-50);
  border-radius: var(--radius-xl);
  padding: 40px;
  border: 1px solid var(--gray-200);
}

.timeline-heading {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--gray-900);
  margin-bottom: 32px;
}

.timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 16px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--blue-400), var(--blue-200));
}

.timeline-item {
  display: flex;
  gap: 28px;
  position: relative;
  padding-bottom: 32px;
}

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

.timeline-dot {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--gradient-main);
  border: 3px solid white;
  box-shadow: 0 0 0 3px var(--blue-200);
  flex-shrink: 0;
  z-index: 1;
}

.timeline-card {
  flex: 1;
  background: white;
  border-radius: var(--radius-md);
  padding: 18px 22px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
}

.timeline-year {
  display: inline-block;
  font-size: .75rem;
  font-weight: 600;
  color: var(--blue-600);
  background: var(--blue-50);
  border-radius: 99px;
  padding: 2px 10px;
  margin-bottom: 8px;
}

.timeline-card h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 4px;
}

.timeline-card p {
  font-size: .88rem;
  color: var(--gray-500);
  margin-bottom: 8px;
}

.timeline-badge {
  font-size: .78rem;
  font-weight: 600;
  color: var(--blue-700);
  background: var(--blue-50);
  border: 1px solid var(--blue-200);
  border-radius: 99px;
  padding: 2px 10px;
}

/* ============ SKILLS SECTION ============ */
.skills-section {
  background: var(--gray-50);
}

/* Skill Tabs */
.skill-tabs {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.skill-tab {
  padding: 10px 26px;
  border-radius: 99px;
  border: 1.5px solid var(--gray-200);
  background: white;
  font-family: var(--font-body);
  font-size: .9rem;
  font-weight: 600;
  color: var(--gray-500);
  cursor: pointer;
  transition: var(--transition);
}
.skill-tab:hover {
  color: var(--blue-600);
  border-color: var(--blue-300);
}
.skill-tab.active {
  background: var(--gradient-main);
  color: white;
  border-color: transparent;
  box-shadow: 0 4px 16px rgba(37,99,235,.3);
}

/* Skill Panels */
.skill-panel { display: none; }
.skill-panel.active { display: block; }

/* Skills Grid */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.skill-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.skill-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient-main);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s ease;
}
.skill-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--blue-200);
}
.skill-card:hover::before { transform: scaleX(1); }

.skill-icon-wrap {
  width: 52px; height: 52px;
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--accent, var(--blue-500)) 12%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--accent, var(--blue-500));
  margin-bottom: 14px;
}
.skill-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 10px;
}
.skill-bar-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.skill-bar {
  flex: 1;
  height: 7px;
  background: var(--gray-100);
  border-radius: 99px;
  overflow: hidden;
}
.skill-fill {
  height: 100%;
  width: 0;
  background: var(--gradient-main);
  border-radius: 99px;
  transition: width 1.4s cubic-bezier(.4,0,.2,1);
}
.skill-pct {
  font-size: .8rem;
  font-weight: 700;
  color: var(--blue-600);
  min-width: 36px;
}
.skill-card p {
  font-size: .83rem;
  color: var(--gray-500);
  line-height: 1.5;
}

/* ============ PROJECTS SECTION ============ */
.projects-section { background: var(--white); }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 28px;
}
.project-card {
  background: white;
  border-radius: var(--radius-xl);
  border: 1.5px solid var(--gray-200);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}
.project-card:hover {
  border-color: var(--blue-300);
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
}
.project-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 22px 0;
}
.project-icon-bg {
  width: 54px; height: 54px;
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--proj-color) 15%, white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--proj-color);
}
.project-links-top {
  display: flex;
  gap: 8px;
}
.proj-icon-link {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--gray-500);
  transition: var(--transition);
}
.proj-icon-link:hover {
  background: var(--blue-100);
  color: var(--blue-600);
  transform: scale(1.1);
}
.project-card-body {
  padding: 16px 22px;
  flex: 1;
}
.project-category {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--blue-600);
  margin-bottom: 8px;
}
.project-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 10px;
}
.project-desc {
  font-size: .87rem;
  color: var(--gray-500);
  line-height: 1.7;
  margin-bottom: 16px;
}
.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.project-tech span {
  font-size: .72rem;
  font-weight: 600;
  color: var(--blue-700);
  background: var(--blue-50);
  border: 1px solid var(--blue-200);
  border-radius: 99px;
  padding: 3px 10px;
}
.project-card-footer {
  padding: 16px 22px 22px;
  display: flex;
  gap: 10px;
  border-top: 1px solid var(--gray-100);
}

/* ============ CERTIFICATIONS SECTION ============ */
/* ============ CERTIFICATIONS SECTION ============ */
.certifications-section {
  background: #f8fbff;
  padding: 100px 0;
}

.certifications-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 40px;
}

.cert-card {
  background: #ffffff;
  border: 1px solid #dbeafe;
  border-top: 4px solid #2563eb;
  border-radius: 22px;
  padding: 28px 24px;
  box-shadow: 0 10px 25px rgba(37, 99, 235, 0.08);
  transition: all 0.3s ease;
}

.cert-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 18px 35px rgba(37, 99, 235, 0.14);
}

.cert-icon-wrap {
  width: 62px;
  height: 62px;
  border-radius: 16px;
  background: color-mix(in srgb, var(--cert-color) 12%, white);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.cert-icon-wrap i {
  font-size: 1.8rem;
  color: var(--cert-color);
}

.cert-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 12px;
  line-height: 1.4;
}

.cert-org,
.cert-date {
  font-size: 0.95rem;
  color: #64748b;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.cert-desc {
  font-size: 0.95rem;
  color: #475569;
  line-height: 1.7;
  margin: 16px 0 22px;
}

.cert-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  border: 1.5px solid #60a5fa;
  border-radius: 999px;
  text-decoration: none;
  color: #2563eb;
  font-weight: 600;
  transition: all 0.3s ease;
}

.cert-btn:hover {
  background: #2563eb;
  color: #ffffff;
  border-color: #2563eb;
}

/* Responsive */
@media (max-width: 1024px) {
  .certifications-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .certifications-grid {
    grid-template-columns: 1fr;
  }

  .cert-card {
    padding: 24px 20px;
  }
}

/* ============ CONTACT SECTION ============ */
.contact-section { background: var(--white); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  align-items: start;
}

.contact-info h3 {
  font-family: var(--font-display);
  font-size: 1.7rem;
  color: var(--gray-900);
  margin-bottom: 14px;
}
.contact-info > p {
  color: var(--gray-500);
  line-height: 1.8;
  margin-bottom: 32px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 36px;
}
.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
}
.contact-icon-wrap {
  width: 44px; height: 44px;
  border-radius: var(--radius-md);
  background: var(--blue-50);
  border: 1.5px solid var(--blue-200);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--blue-600);
  flex-shrink: 0;
}
.contact-item .contact-label {
  display: block;
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--gray-400);
  margin-bottom: 2px;
}
.contact-item a, .contact-item span {
  font-size: .9rem;
  color: var(--gray-700);
  font-weight: 500;
}
.contact-item a:hover { color: var(--blue-600); }

/* Social links */
.social-links { }
.social-label {
  font-size: .8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--gray-400);
  margin-bottom: 14px;
  display: block;
}
.socials {
  display: flex;
  gap: 12px;
}
.social-btn {
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--gray-100);
  border: 1.5px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--gray-600);
  transition: var(--transition);
}
.social-btn:hover {
  background: var(--blue-600);
  border-color: var(--blue-600);
  color: white;
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(37,99,235,.35);
}

/* Contact Form */
.contact-form-wrap {
  background: var(--gray-50);
  border-radius: var(--radius-xl);
  padding: 36px;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.form-group label {
  font-size: .82rem;
  font-weight: 600;
  color: var(--gray-700);
  text-transform: uppercase;
  letter-spacing: .06em;
}
.input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.input-wrap i {
  position: absolute;
  left: 14px;
  color: var(--gray-400);
  font-size: 1rem;
  pointer-events: none;
  transition: var(--transition);
}
.input-wrap input,
.input-wrap textarea {
  width: 100%;
  padding: 12px 16px 12px 42px;
  font-family: var(--font-body);
  font-size: .9rem;
  color: var(--gray-700);
  background: white;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  outline: none;
  transition: var(--transition);
  resize: none;
}
.input-wrap input:focus,
.input-wrap textarea:focus {
  border-color: var(--blue-400);
  box-shadow: 0 0 0 3px rgba(59,130,246,.12);
}
.input-wrap input:focus + i,
.input-wrap textarea:focus + i { color: var(--blue-500); }
.input-wrap input:focus ~ i,
.input-wrap textarea:focus ~ i { color: var(--blue-500); }
.textarea-wrap { align-items: flex-start; }
.textarea-wrap i { top: 14px; }

.form-success {
  display: none;
  align-items: center;
  gap: 10px;
  background: #f0fdf4;
  border: 1px solid #86efac;
  color: #15803d;
  border-radius: var(--radius-md);
  padding: 14px 18px;
  font-size: .9rem;
  font-weight: 500;
}
.form-success.show { display: flex; }
.form-success i { font-size: 1.2rem; }

/* ============ FOOTER ============ */
.footer {
  background: var(--gray-900);
  color: var(--gray-400);
  padding: 60px 0 28px;
}
.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.footer-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  margin-bottom: 24px;
}
.footer-brand .nav-logo {
  color: white;
  margin-bottom: 8px;
}
.footer-brand p {
  font-size: .85rem;
  color: var(--gray-500);
}
.footer-links {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.footer-links a {
  padding: 6px 14px;
  border-radius: 99px;
  font-size: .85rem;
  color: var(--gray-400);
  transition: var(--transition);
}
.footer-links a:hover {
  color: white;
  background: rgba(255,255,255,.08);
}
.footer-socials {
  display: flex;
  gap: 10px;
}
.footer-socials a {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--gray-400);
  transition: var(--transition);
}
.footer-socials a:hover {
  background: var(--blue-600);
  color: white;
  transform: translateY(-2px);
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.footer-bottom p {
  font-size: .83rem;
}
.back-to-top {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--blue-600);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: var(--transition);
  box-shadow: 0 4px 14px rgba(37,99,235,.4);
}
.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 22px rgba(37,99,235,.5);
}

/* ============ RESPONSIVE ============ */

/* Tablet — ≤ 960px */
@media (max-width: 960px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
    padding-top: 40px;
  }
  .hero-tagline { margin: 0 auto 32px; }
  .hero-btns { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { order: -1; }
  .hero-visual-inner { width: 300px; height: 300px; }

  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-image-col { max-width: 360px; margin: 0 auto; }
  .about-badge { right: 0; }

  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
}

/* Mobile — ≤ 680px */
@media (max-width: 680px) {
  :root { --navbar-h: 64px; }

  .section { padding: 72px 0; }

  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }

  .hero-name { font-size: clamp(2.2rem, 8vw, 3.5rem); }
  .hero-visual-inner { width: 260px; height: 260px; }
  .tech-pill { font-size: .7rem; padding: 6px 12px; }

  .about-details { grid-template-columns: 1fr; }
  .education-timeline { padding: 24px; }

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

  .contact-form-wrap { padding: 24px; }

  .footer-top { flex-direction: column; align-items: flex-start; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* Extra small — ≤ 420px */
@media (max-width: 420px) {
  .certs-grid { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; align-items: center; }
  .hero-btns .btn { width: 100%; justify-content: center; }
}