/* ============================================================
   ENHANCED OCEAN THEME - Hafez Ahmad Oceanographer Portfolio
   Ocean-inspired design system with animations & interactions
   ============================================================ */

/* ---- CSS Variables / Design Tokens ---- */
:root {
  --ocean-deep:    #0d2137;
  --ocean-dark:    #1a3a5c;
  --ocean-mid:     #1565c0;
  --ocean-teal:    #00b4d8;
  --ocean-light:   #90e0ef;
  --ocean-surface: #caf0f8;
  --coral:         #f56a6a;
  --seafoam:       #4ecdc4;
  --sand:          #f8f4e3;
  --gold:          #f5a623;
  --text-dark:     #1a2332;
  --text-medium:   #4a5568;
  --text-light:    #718096;
  --bg-main:       #f0f5fa;
  --bg-card:       #ffffff;
  --shadow-sm:     0 2px 8px rgba(13,33,55,0.10);
  --shadow-md:     0 4px 20px rgba(13,33,55,0.14);
  --shadow-lg:     0 8px 40px rgba(13,33,55,0.18);
  --shadow-glow:   0 0 30px rgba(0,180,216,0.25);
  --radius-sm:     6px;
  --radius-md:     12px;
  --radius-lg:     20px;
  --radius-xl:     30px;
  --transition:    all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --font-primary:  'Open Sans', sans-serif;
  --font-heading:  'Roboto Slab', serif;
}

/* ---- Global Resets & Base ---- */
html { scroll-behavior: smooth; }

body {
  background: var(--bg-main);
  color: var(--text-medium);
  font-family: var(--font-primary);
  -webkit-font-smoothing: antialiased;
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-main); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--ocean-teal), var(--ocean-mid));
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover { background: var(--ocean-mid); }

/* ---- Selection ---- */
::selection {
  background: var(--ocean-teal);
  color: #fff;
}

/* ---- Typography Upgrades ---- */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-dark);
  font-family: var(--font-heading);
}

h1 { letter-spacing: -0.03em; }

a {
  color: var(--ocean-mid);
  border-bottom-color: transparent;
  transition: var(--transition);
}
a:hover {
  color: var(--ocean-teal) !important;
  border-bottom-color: var(--ocean-teal);
}

/* ---- Main Wrapper ---- */
#wrapper { background: var(--bg-main); }

/* ===================================================
   SIDEBAR ENHANCEMENTS
   =================================================== */
#sidebar {
  background: linear-gradient(160deg, var(--ocean-deep) 0%, var(--ocean-dark) 60%, #0e3460 100%);
  box-shadow: 4px 0 24px rgba(13,33,55,0.35);
  border-right: none;
}

#sidebar > .inner {
  border-right: none;
}

/* Sidebar section dividers */
#sidebar > .inner > * {
  border-bottom-color: rgba(255,255,255,0.08) !important;
}

/* Sidebar search */
#search form input[type="text"] {
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-xl);
  color: #fff;
  padding: 0.6em 1.2em;
  transition: var(--transition);
}
#search form input[type="text"]:focus {
  background: rgba(255,255,255,0.18);
  border-color: var(--ocean-teal);
  box-shadow: 0 0 0 3px rgba(0,180,216,0.2);
  outline: none;
}
#search form input[type="text"]::placeholder { color: rgba(255,255,255,0.45); }

/* Sidebar text color */
#sidebar, #sidebar h2, #sidebar h3 { color: rgba(255,255,255,0.92); }
#sidebar p { color: rgba(255,255,255,0.72); }

/* ---- Menu ---- */
#menu ul { color: rgba(255,255,255,0.85); }

#menu > ul > li {
  border-top-color: rgba(255,255,255,0.07);
}

#menu ul a, #menu ul span {
  color: rgba(255,255,255,0.82);
  border-radius: var(--radius-sm);
  padding: 0.5em 0.75em;
  margin: 0.1em 0;
  transition: var(--transition);
}
#menu ul a:hover, #menu ul span:hover {
  color: #fff !important;
  background: rgba(0,180,216,0.18);
}

#menu > ul > li > ul {
  color: rgba(255,255,255,0.62);
}

#menu ul a.opener:before, #menu ul span.opener:before {
  color: rgba(255,255,255,0.45);
}

/* Sidebar mini-posts / recent works */
#sidebar .mini-posts article { border-bottom-color: rgba(255,255,255,0.07); }
#sidebar .mini-posts article .image img {
  border-radius: var(--radius-sm);
}

/* Sidebar contact list */
#sidebar .contact li {
  color: rgba(255,255,255,0.75);
}
#sidebar .contact li:before { color: var(--ocean-teal); }

/* Sidebar h2 accent */
#sidebar .major > header h2,
#sidebar section > header.major h2 {
  color: #fff;
}
#sidebar section header.major::after {
  background: var(--ocean-teal);
}

/* Toggle button */
#sidebar .toggle:before { color: var(--ocean-teal); }

/* ===================================================
   HEADER
   =================================================== */
#header {
  border-bottom: 3px solid;
  border-image: linear-gradient(90deg, var(--ocean-teal), var(--ocean-mid), var(--coral)) 1;
  padding-bottom: 1.25em;
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 500;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  background: rgba(255,255,255,0.95);
  box-shadow: 0 2px 16px rgba(13,33,55,0.08);
}

#header .logo {
  font-weight: 700;
  color: var(--ocean-dark) !important;
  border-bottom: none;
  font-size: 1.1em;
  letter-spacing: -0.01em;
}
#header .logo strong {
  color: var(--ocean-teal);
}
#header .logo:hover { color: var(--ocean-teal) !important; }

/* Social icons in header */
#header .icons li a {
  color: var(--text-light);
  transition: var(--transition);
  width: 2em;
  height: 2em;
  line-height: 2em;
  text-align: center;
  border-radius: 50%;
  border-bottom: none;
  display: inline-block;
}
#header .icons li a:hover {
  color: #fff !important;
  background: var(--ocean-teal);
  transform: translateY(-2px) scale(1.1);
}

/* ===================================================
   BANNER SECTION
   =================================================== */
#banner {
  position: relative;
  background: linear-gradient(135deg, #f0f8ff 0%, #e8f4fb 50%, #f0faff 100%);
  border-radius: var(--radius-lg);
  padding: 4em !important;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  margin-bottom: 1em;
}

/* Animated ocean wave decoration */
#banner::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 80px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 80'%3E%3Cpath fill='%2300b4d8' fill-opacity='0.12' d='M0,40 C360,80 720,0 1080,40 C1260,60 1380,20 1440,40 L1440,80 L0,80 Z'/%3E%3C/svg%3E") no-repeat bottom;
  background-size: cover;
  animation: wave-float 6s ease-in-out infinite;
  pointer-events: none;
}

#banner::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 50px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 50'%3E%3Cpath fill='%231565c0' fill-opacity='0.07' d='M0,25 C240,0 480,50 720,25 C960,0 1200,50 1440,25 L1440,50 L0,50 Z'/%3E%3C/svg%3E") no-repeat bottom;
  background-size: cover;
  animation: wave-float 8s ease-in-out infinite reverse;
  pointer-events: none;
}

@keyframes wave-float {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(-20px); }
}

#banner .content header h1 {
  background: linear-gradient(135deg, var(--ocean-deep), var(--ocean-teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.3em;
}

#banner .content header p {
  color: var(--ocean-mid);
  font-size: 1.15em;
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* Banner profile image */
#banner .image.object {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 4px solid rgba(0,180,216,0.2);
  transition: var(--transition);
}
#banner .image.object:hover {
  box-shadow: var(--shadow-glow), var(--shadow-lg);
  border-color: var(--ocean-teal);
  transform: scale(1.01);
}
#banner .image.object img {
  border-radius: var(--radius-md);
}

/* ===================================================
   SECTION HEADERS
   =================================================== */
header.major {
  position: relative;
  padding-bottom: 1em;
}

header.major h2 {
  position: relative;
  display: inline-block;
  color: var(--ocean-dark);
  font-size: 1.6em;
}

header.major h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--ocean-teal), var(--coral));
  border-radius: 2px;
  margin-top: 0.4em;
  transition: width 0.4s ease;
}

section:hover header.major h2::after {
  width: 120px;
}

/* ===================================================
   ACTIVITIES GRID (replaces old .features layout)
   =================================================== */
.activities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.8em;
  margin-top: 1em;
}

.activity-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 0;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0,180,216,0.12);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  animation: featureCardIn 0.55s ease both;
}
.activity-card:nth-child(1) { animation-delay: 0.05s; }
.activity-card:nth-child(2) { animation-delay: 0.18s; }
.activity-card:nth-child(3) { animation-delay: 0.31s; }
.activity-card:nth-child(4) { animation-delay: 0.44s; }

/* top accent bar — expands on hover */
.activity-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--ocean-teal), var(--ocean-mid));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.activity-card:hover::before { transform: scaleX(1); }

.activity-card:hover {
  transform: translateY(-7px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0,180,216,0.30);
}

/* coloured icon header band */
.activity-icon {
  background: linear-gradient(135deg, var(--ocean-deep) 0%, var(--ocean-dark) 100%);
  padding: 1.4em 1.75em;
  display: flex;
  align-items: center;
  gap: 0.8em;
}

.activity-icon i {
  font-size: 1.8em;
  color: var(--ocean-teal);
  flex-shrink: 0;
  transition: var(--transition);
}

.activity-card:hover .activity-icon i {
  color: var(--ocean-light);
  transform: scale(1.15) rotate(-5deg);
}

/* card body */
.activity-body {
  padding: 1.5em 1.75em 1.75em;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.75em;
}

.activity-body h3 {
  color: var(--ocean-dark);
  font-size: 1.08em;
  margin: 0;
  font-family: var(--font-heading);
}

.activity-body p {
  color: var(--text-medium);
  font-size: 0.9em;
  line-height: 1.75;
  margin: 0;
}

/* bulleted list inside cards */
.activity-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4em;
}
.activity-list li {
  font-size: 0.875em;
  color: var(--text-medium);
  padding-left: 1.2em;
  position: relative;
  line-height: 1.6;
}
.activity-list li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--ocean-teal);
  font-size: 0.85em;
}

/* skill tags row at card bottom */
.activity-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45em;
  margin-top: auto;
  padding-top: 0.75em;
}

@keyframes featureCardIn {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ===================================================
   LEGACY .features (kept for other pages)
   =================================================== */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5em;
}

.features article {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 2em 1.75em;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0,180,216,0.10);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.features article::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--ocean-teal), var(--ocean-mid));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.features article:hover::before { transform: scaleX(1); }
.features article:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0,180,216,0.25);
}
.features article h3 {
  color: var(--ocean-dark);
  font-size: 1.05em;
  margin-bottom: 0.75em;
}
.features article p {
  color: var(--text-medium);
  font-size: 0.9em;
  line-height: 1.7;
  margin-bottom: 0;
}

/* ===================================================
   STATS CARDS
   =================================================== */
.stats-section {
  background: linear-gradient(135deg, var(--ocean-deep) 0%, var(--ocean-dark) 100%);
  border-radius: var(--radius-lg);
  padding: 2.5em 2em;
  margin-bottom: 2.5em;
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: '';
  position: absolute;
  top: -50%; right: -10%;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(0,180,216,0.15) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.stats-section h3 {
  color: #fff;
  font-size: 1.3em;
  margin-bottom: 0.3em;
}

.stats-section > p {
  color: rgba(255,255,255,0.65);
  margin-bottom: 1.5em;
  font-size: 0.95em;
}

.stats-grid {
  display: flex !important;
  flex-direction: row !important;
  flex-wrap: wrap !important;
  gap: 1em !important;
  justify-content: space-between !important;
}

.stat-card {
  background: rgba(255,255,255,0.08) !important;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.12) !important;
  border-radius: var(--radius-md) !important;
  padding: 1.5em 1.25em !important;
  text-align: center;
  flex: 1;
  min-width: 160px !important;
  transition: var(--transition);
  cursor: default;
}

.stat-card:hover {
  background: rgba(0,180,216,0.18) !important;
  border-color: rgba(0,180,216,0.35) !important;
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.2);
}

.stat-card .stat-icon {
  font-size: 1.8em;
  margin-bottom: 0.5em;
  color: var(--ocean-teal);
}

.stat-card .stat-number {
  font-size: 2.6em;
  font-weight: 700;
  font-family: var(--font-heading);
  color: #fff;
  line-height: 1;
  margin-bottom: 0.2em;
}

.stat-card .stat-label {
  font-size: 0.8em;
  color: rgba(255,255,255,0.65);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ===================================================
   POSTS (About Me grid)
   =================================================== */
.posts article {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0,180,216,0.08);
  transition: var(--transition);
}

.posts article:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(0,180,216,0.20);
}

.posts article .image img {
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  transition: transform 0.5s ease;
}

.posts article:hover .image img { transform: scale(1.04); }

.posts article h3 {
  color: var(--ocean-dark);
  padding: 0 1.5em;
  margin-top: 0.75em;
}

/* ===================================================
   MINI-POSTS (Sidebar recent works)
   =================================================== */
.mini-posts article {
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: var(--transition);
}

.mini-posts article .image img {
  border-radius: var(--radius-sm);
  transition: transform 0.4s ease;
}

.mini-posts article:hover .image img { transform: scale(1.05); }

/* ===================================================
   BUTTONS
   =================================================== */
.button, input[type="submit"], input[type="reset"], input[type="button"] {
  background: linear-gradient(135deg, var(--ocean-mid), var(--ocean-teal)) !important;
  color: #fff !important;
  border: none !important;
  border-radius: var(--radius-xl) !important;
  padding: 0.75em 2em !important;
  font-weight: 600 !important;
  letter-spacing: 0.03em !important;
  text-transform: none !important;
  box-shadow: 0 4px 15px rgba(21,101,192,0.30) !important;
  transition: var(--transition) !important;
  cursor: pointer;
  display: inline-block;
  text-align: center;
}

.button:hover, input[type="submit"]:hover {
  background: linear-gradient(135deg, var(--ocean-teal), var(--seafoam)) !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 8px 25px rgba(0,180,216,0.40) !important;
  color: #fff !important;
  border-bottom: none !important;
}

.button.primary {
  background: linear-gradient(135deg, var(--coral), #e74c3c) !important;
  box-shadow: 0 4px 15px rgba(245,106,106,0.35) !important;
}

.button.primary:hover {
  background: linear-gradient(135deg, #e74c3c, var(--coral)) !important;
  box-shadow: 0 8px 25px rgba(245,106,106,0.45) !important;
}

.button.big {
  padding: 0.9em 2.5em !important;
  font-size: 1em !important;
}

/* ===================================================
   CONTACT LIST (in sidebar and main)
   =================================================== */
ul.contact {
  list-style: none;
  padding: 0;
}

ul.contact li {
  border-top-color: rgba(255,255,255,0.07) !important;
  padding: 0.8em 0 0.8em 2.75em !important;
  transition: var(--transition);
  border-radius: var(--radius-sm);
}

ul.contact li:hover { background: rgba(0,180,216,0.08); }

ul.contact li:before { color: var(--ocean-teal); }

/* ===================================================
   SECTION DIVIDERS
   =================================================== */
#main > .inner > section {
  border-top-color: rgba(0,180,216,0.15) !important;
  border-top-style: solid !important;
  border-top-width: 1px !important;
}

#main > .inner > section:first-of-type {
  border-top: none !important;
}

/* ===================================================
   BACK TO TOP BUTTON
   =================================================== */
.back-to-top {
  background: linear-gradient(135deg, var(--ocean-mid), var(--ocean-teal)) !important;
  box-shadow: 0 4px 20px rgba(0,180,216,0.40) !important;
  border: 2px solid rgba(255,255,255,0.3) !important;
  width: 48px !important;
  height: 48px !important;
  line-height: 44px !important;
}

.back-to-top:hover {
  background: linear-gradient(135deg, var(--ocean-teal), var(--seafoam)) !important;
  transform: translateY(-4px) !important;
  box-shadow: 0 8px 28px rgba(0,180,216,0.55) !important;
}

/* ===================================================
   SECTION NAV DOTS
   =================================================== */
.section-nav a {
  background: rgba(21,101,192,0.25) !important;
  border: 2px solid rgba(21,101,192,0.15);
  width: 10px !important;
  height: 10px !important;
  transition: var(--transition) !important;
}

.section-nav a:hover, .section-nav a.active {
  background: var(--ocean-teal) !important;
  border-color: var(--ocean-teal);
  box-shadow: 0 0 10px rgba(0,180,216,0.5);
  transform: scale(1.4) !important;
}

.section-nav a span {
  background: var(--ocean-dark) !important;
  border-radius: var(--radius-sm) !important;
  font-size: 11px !important;
  letter-spacing: 0.04em;
}

/* ===================================================
   SKILLS / TAGS
   =================================================== */
.skill-tag {
  display: inline-block;
  padding: 0.3em 0.9em;
  background: rgba(0,180,216,0.10);
  color: var(--ocean-mid);
  border: 1px solid rgba(0,180,216,0.25);
  border-radius: var(--radius-xl);
  font-size: 0.8em;
  font-weight: 600;
  margin: 0.2em;
  transition: var(--transition);
  cursor: default;
}

.skill-tag:hover {
  background: var(--ocean-mid);
  color: #fff;
  border-color: var(--ocean-mid);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(21,101,192,0.3);
}

/* ===================================================
   TIMELINE
   =================================================== */
.timeline {
  position: relative;
  padding: 1em 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 18px;
  top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--ocean-teal), var(--ocean-mid), transparent);
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  padding: 0 0 1.75em 3.5em;
  animation: fadeInUp 0.5s ease both;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--ocean-teal);
  border: 3px solid #fff;
  box-shadow: 0 0 0 3px rgba(0,180,216,0.25), 0 4px 8px rgba(0,0,0,0.15);
  transition: var(--transition);
  z-index: 1;
}

.timeline-item:hover::before {
  background: var(--coral);
  box-shadow: 0 0 0 4px rgba(245,106,106,0.25), 0 4px 10px rgba(0,0,0,0.2);
  transform: scale(1.2);
}

.timeline-item .timeline-content {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 1.25em 1.5em;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0,180,216,0.10);
  border-left: 3px solid var(--ocean-teal);
  transition: var(--transition);
}

.timeline-item:hover .timeline-content {
  box-shadow: var(--shadow-md);
  border-left-color: var(--coral);
  transform: translateX(3px);
}

.timeline-item .timeline-date {
  font-size: 0.8em;
  color: var(--ocean-teal);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.3em;
}

.timeline-item h4 {
  color: var(--ocean-dark);
  font-size: 1em;
  margin-bottom: 0.4em;
}

.timeline-item p {
  color: var(--text-medium);
  font-size: 0.88em;
  line-height: 1.65;
  margin: 0;
}

/* Institution / place line */
.timeline-place {
  font-size: 0.82em !important;
  color: var(--ocean-mid) !important;
  font-weight: 600;
  margin-bottom: 0.55em !important;
  letter-spacing: 0.01em;
}
.timeline-place i {
  margin-right: 0.35em;
  color: var(--ocean-teal);
}

/* Skill tags row inside timeline cards */
.timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4em;
  margin-top: 0.85em;
}

/* Section spacing for Education / Experience / Publications */
#education,
#experience,
#publications {
  padding-top: 1em;
}

/* Publications list inside timeline cards */
.pub-list {
  padding-left: 1.3em;
  margin: 0.7em 0 0;
}
.pub-list li {
  font-size: 0.86em;
  line-height: 1.72;
  color: var(--text-medium);
  margin-bottom: 0.7em;
  padding-bottom: 0.65em;
  border-bottom: 1px dashed rgba(0,180,216,0.15);
}
.pub-list li:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}
.pub-list li em {
  color: var(--ocean-mid);
  font-style: italic;
}
.pub-list li a {
  color: var(--ocean-teal);
  font-size: 0.85em;
  font-weight: 700;
  text-decoration: none;
  padding: 0.1em 0.4em;
  border-radius: 3px;
  background: rgba(0,180,216,0.08);
  transition: var(--transition);
  margin-left: 0.3em;
}
.pub-list li a:hover {
  background: var(--ocean-teal);
  color: #fff;
}
.pub-count {
  font-size: 0.72em;
  font-weight: 500;
  color: var(--ocean-teal);
  background: rgba(0,180,216,0.1);
  padding: 0.15em 0.6em;
  border-radius: 20px;
  margin-left: 0.5em;
  vertical-align: middle;
  letter-spacing: 0.02em;
}

/* ===================================================
   CV / SKILLS SECTION
   =================================================== */
.cv-section {
  background: var(--bg-card) !important;
  border-radius: var(--radius-md) !important;
  box-shadow: var(--shadow-sm) !important;
  border: 1px solid rgba(0,180,216,0.10) !important;
  transition: var(--transition) !important;
  overflow: hidden;
}

.cv-section:hover {
  box-shadow: var(--shadow-md) !important;
  border-color: rgba(0,180,216,0.22) !important;
}

.cv-section h2 {
  color: var(--ocean-dark);
}

/* Skill cards */
.skill-card {
  background: linear-gradient(135deg, #f0f8ff, var(--bg-card)) !important;
  border-radius: var(--radius-md) !important;
  border: 1px solid rgba(0,180,216,0.12) !important;
  transition: var(--transition) !important;
  box-shadow: var(--shadow-sm);
}

.skill-card:hover {
  transform: translateY(-5px) !important;
  box-shadow: var(--shadow-md) !important;
  border-color: rgba(0,180,216,0.30) !important;
}

.skill-card i {
  font-size: 2em;
  color: var(--ocean-teal);
  margin-bottom: 0.5em;
}

/* Skill progress bars */
.skill-bar-wrap {
  margin: 0.6em 0;
}

.skill-bar-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.85em;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 0.3em;
}

.skill-bar-track {
  height: 8px;
  background: rgba(0,0,0,0.07);
  border-radius: 4px;
  overflow: hidden;
}

.skill-bar-fill {
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--ocean-teal), var(--ocean-mid));
  width: 0;
  transition: width 1.5s cubic-bezier(0.4,0,0.2,1);
}

/* Download CV */
.download-cv {
  display: inline-flex !important;
  align-items: center;
  gap: 0.5em;
  background: linear-gradient(135deg, var(--ocean-mid), var(--ocean-teal)) !important;
  color: #fff !important;
  border-radius: var(--radius-xl) !important;
  border-bottom: none !important;
  padding: 0.8em 2em !important;
  font-weight: 600 !important;
  box-shadow: 0 4px 15px rgba(21,101,192,0.30) !important;
  transition: var(--transition) !important;
}

.download-cv:hover {
  background: linear-gradient(135deg, var(--ocean-teal), var(--seafoam)) !important;
  transform: translateY(-3px) !important;
  box-shadow: 0 8px 25px rgba(0,180,216,0.40) !important;
  color: #fff !important;
}

/* ===================================================
   CONTACT PAGE
   =================================================== */
.contact-section {
  background: var(--bg-card) !important;
  border-radius: var(--radius-md) !important;
  box-shadow: var(--shadow-sm) !important;
  border: 1px solid rgba(0,180,216,0.10) !important;
  transition: var(--transition) !important;
}

.contact-section:hover {
  box-shadow: var(--shadow-md) !important;
  border-color: rgba(0,180,216,0.22) !important;
}

.contact-info {
  background: linear-gradient(135deg, #f0f8ff, var(--ocean-surface)) !important;
  border-radius: var(--radius-md) !important;
  border: 1px solid rgba(0,180,216,0.15) !important;
}

.contact-form input,
.contact-form textarea,
input[type="text"],
input[type="email"],
input[type="password"],
textarea,
select {
  border: 1.5px solid rgba(0,180,216,0.2) !important;
  border-radius: var(--radius-sm) !important;
  transition: var(--transition) !important;
  background: rgba(240,248,255,0.5) !important;
}

.contact-form input:focus,
.contact-form textarea:focus,
input:focus, textarea:focus, select:focus {
  border-color: var(--ocean-teal) !important;
  box-shadow: 0 0 0 3px rgba(0,180,216,0.15) !important;
  outline: none !important;
  background: #fff !important;
}

.contact-form button {
  background: linear-gradient(135deg, var(--ocean-mid), var(--ocean-teal)) !important;
  border-radius: var(--radius-xl) !important;
  font-weight: 600 !important;
  box-shadow: 0 4px 15px rgba(21,101,192,0.30) !important;
  transition: var(--transition) !important;
}

.contact-form button:hover {
  background: linear-gradient(135deg, var(--ocean-teal), var(--seafoam)) !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 8px 25px rgba(0,180,216,0.40) !important;
}

.social-links a {
  background: linear-gradient(135deg, var(--ocean-mid), var(--ocean-teal)) !important;
  border-bottom: none !important;
  transition: var(--transition) !important;
}

.social-links a:hover {
  background: linear-gradient(135deg, var(--ocean-teal), var(--seafoam)) !important;
  transform: translateY(-3px) scale(1.1) !important;
  box-shadow: 0 6px 18px rgba(0,180,216,0.4) !important;
}

/* ===================================================
   BLOG PAGE
   =================================================== */
.post {
  border-radius: var(--radius-md) !important;
  box-shadow: var(--shadow-sm) !important;
  border: 1px solid rgba(0,0,0,0.05) !important;
  transition: var(--transition) !important;
  overflow: hidden;
}

.post:hover {
  transform: translateY(-6px) !important;
  box-shadow: var(--shadow-lg) !important;
  border-color: rgba(0,180,216,0.20) !important;
}

.post::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--ocean-teal), var(--ocean-mid));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.post:hover::before { opacity: 1; }

/* ===================================================
   PAGE SECTION BANNERS (for content pages)
   =================================================== */
.page-hero {
  background: linear-gradient(135deg, var(--ocean-deep), var(--ocean-dark));
  border-radius: var(--radius-lg);
  padding: 3em 2.5em;
  margin-bottom: 2em;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.page-hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 60px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 60'%3E%3Cpath fill='%2300b4d8' fill-opacity='0.15' d='M0,30 C480,60 960,0 1440,30 L1440,60 L0,60 Z'/%3E%3C/svg%3E") no-repeat bottom;
  background-size: cover;
  pointer-events: none;
}

.page-hero h1, .page-hero h2, .page-hero h3 {
  color: #fff;
}

.page-hero p { color: rgba(255,255,255,0.80); }

/* ===================================================
   TABLES
   =================================================== */
table {
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

table thead tr {
  background: linear-gradient(90deg, var(--ocean-dark), var(--ocean-mid)) !important;
}

table thead tr th {
  color: #fff !important;
  letter-spacing: 0.04em;
}

table tbody tr {
  transition: background 0.2s ease;
}

table tbody tr:hover {
  background: rgba(0,180,216,0.06) !important;
}

/* ===================================================
   IMAGES
   =================================================== */
img {
  border-radius: var(--radius-sm);
}

a.image img, .image img {
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

a.image:hover img, .image:hover img {
  transform: scale(1.03);
  box-shadow: var(--shadow-md);
}

/* ===================================================
   BLOCKQUOTE
   =================================================== */
blockquote {
  border-left: 4px solid var(--ocean-teal) !important;
  background: rgba(0,180,216,0.05);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 1em 1.5em;
}

/* ===================================================
   CODE BLOCKS
   =================================================== */
code {
  background: rgba(13,33,55,0.07) !important;
  color: var(--ocean-mid) !important;
  border-color: rgba(0,180,216,0.20) !important;
  border-radius: var(--radius-sm) !important;
}

pre {
  background: var(--ocean-deep) !important;
  border-radius: var(--radius-md) !important;
  box-shadow: var(--shadow-md);
}

pre code {
  color: #caf0f8 !important;
  background: transparent !important;
  border: none !important;
}

/* ===================================================
   MOBILE TOC
   =================================================== */
.mobile-toc {
  background: linear-gradient(135deg, #f0f8ff, var(--ocean-surface)) !important;
  border-radius: var(--radius-md) !important;
  border: 1px solid rgba(0,180,216,0.18) !important;
  box-shadow: var(--shadow-sm) !important;
}

.mobile-toc h3 { color: var(--ocean-dark); }

.mobile-toc a {
  color: var(--ocean-mid);
  border-bottom: none !important;
  font-weight: 600;
}

.mobile-toc a:hover {
  background: rgba(0,180,216,0.12) !important;
  color: var(--ocean-dark) !important;
}

/* ===================================================
   FOOTER
   =================================================== */
#footer {
  border-top: 2px solid rgba(0,180,216,0.12);
  padding-top: 1.5em;
}

#footer .copyright {
  color: var(--text-light);
}

#footer .copyright a {
  color: var(--ocean-teal);
  border-bottom: none;
}

#footer .copyright a:hover {
  color: var(--ocean-mid) !important;
}

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

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

.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 10px rgba(0,180,216,0.3); }
  50%       { box-shadow: 0 0 25px rgba(0,180,216,0.6); }
}

/* ===================================================
   FLOATING BUBBLES (Decorative)
   =================================================== */
.ocean-bubbles {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: 100vh;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
  opacity: 0.45;
}

.bubble {
  position: absolute;
  bottom: -60px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(0,180,216,0.25), rgba(21,101,192,0.08));
  border: 1px solid rgba(0,180,216,0.15);
  animation: rise linear infinite;
}

@keyframes rise {
  0%   { bottom: -60px; opacity: 0; transform: translateX(0) scale(1); }
  10%  { opacity: 1; }
  90%  { opacity: 0.4; }
  100% { bottom: 110vh; opacity: 0; transform: translateX(40px) scale(1.2); }
}

/* ===================================================
   HIGHLIGHTED LIST ITEMS
   =================================================== */
ol li[style*="color:green"], ol li[style*="color:#006400"] {
  position: relative;
  padding-left: 0.5em;
}

/* ===================================================
   RESPONSIVE TWEAKS
   =================================================== */
@media screen and (max-width: 736px) {
  #banner {
    padding: 2em !important;
    border-radius: var(--radius-md) !important;
  }

  .stats-grid {
    flex-wrap: wrap !important;
  }

  .stat-card {
    min-width: calc(50% - 0.5em) !important;
  }

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

  #header {
    position: relative;
  }
}

@media screen and (max-width: 480px) {
  .stat-card { min-width: 100% !important; }
}

/* ===================================================
   PRINT STYLES
   =================================================== */
@media print {
  .back-to-top, .section-nav, .ocean-bubbles { display: none !important; }
  #header { position: static !important; }
}