/* ========================================================================== MD SHAWON AHMED — SQA PORTFOLIO Unique, modern, professional CSS-only theme - Dark tech palette with cyan/orange accents - Serif headings + Sans body for elegant hierarchy - Responsive, accessible, and animation-rich without JS ========================================================================== */
/* --------------------------- */
/* 1) COLOR SYSTEM & TYPOGRAPHY */
/* --------------------------- */
:root {
  /* Palette */
  --bg: #0b1220;
  /* deep navy */
  --bg-soft: #1b2b4d;
  /* slightly lighter */
  --surface: #121a2e;
  /* card surface */
  --surface-2: #0e1527;
  /* alternate card tone */
  --text: #f5f7ff;
  /* base text */
  --muted: #b8c3e0;
  /* secondary text */
  --line: rgba(255, 255, 255, .08);
  /* hairline borders */
  --shadow: 0 12px 28px rgba(0, 0, 0, .45);
  /* Accents */
  --accent: #10d1d8;
  /* cyan */
  --accent-2: #ff8a3d;
  /* warm orange */
  --accent-grad: linear-gradient(135deg, #10d1d8, #6bbcff 40%, #ff8a3d 100%);
  --section-grad: radial-gradient(1200px 600px at 10% -10%, rgba(16, 209, 216, .14), transparent 60%), radial-gradient(1000px 700px at 100% 20%, rgba(255, 138, 61, .08), transparent 55%);
  /* Typography */
  --ff-sans: "Inter", "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --ff-serif: "Merriweather", Georgia, "Times New Roman", serif;
  /* Sizing */
  --radius: 16px;
  --radius-lg: 22px;
  --pad: 24px;
  --pad-lg: 36px;
  /* Speeds */
  --t-fast: .18s cubic-bezier(.2, .8, .2, 1);
  --t-med: .35s cubic-bezier(.2, .8, .2, 1);
}

/* Base reset-ish */
* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--ff-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --------------------------- */
/* 2) GLOBAL ELEMENT STYLES */
/* --------------------------- */
h1,
h2,
h3,
h4 {
  margin: 0 0 .4em;
  font-family: var(--ff-serif);
  letter-spacing: .2px;
  color: #ffffff;
}

h1 {
  font-size: clamp(2rem, 2.6vw + 1rem, 3rem);
}

h2 {
  font-size: clamp(1.6rem, 1.6vw + 1rem, 2.2rem);
}

h3 {
  font-size: clamp(1.1rem, .8vw + 1rem, 1.35rem);
}

p {
  color: var(--muted);
  margin: 0 0 1rem;
}

.lead {
  color: #dce6ff;
  opacity: .9
}

/* Section shell + visual separators */
.section {
  position: relative;
  padding: clamp(64px, 6vw, 96px) 24px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .02), transparent 30%), var(--section-grad);
  isolation: isolate;
}

.section+.section {
  /* subtle divider between sections */
  border-top: 1px solid var(--line);
}

/* Section title underline accent */
.section-title {
  display: inline-block;
  position: relative;
  padding-bottom: .25rem;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 64px;
  height: 3px;
  border-radius: 3px;
  background: var(--accent-grad);
  box-shadow: 0 4px 14px rgba(16, 209, 216, .35);
}

/* Wrapper constraints */
.container {
  max-width: 1100px;
  margin: 0 auto;
}

/* --------------------------- */
/* 3) NAVIGATION / SIDEBAR */
/* --------------------------- */
.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: 280px;
  padding: 28px 22px;
  background: color-mix(in oklab, var(--surface), transparent 20%);
  backdrop-filter: blur(10px);
  border-right: 1px solid var(--line);
  box-shadow: var(--shadow);
  z-index: 50;
}

@supports (backdrop-filter: blur(1px)) {
  .sidebar {
    backdrop-filter: blur(12px) saturate(120%);
  }
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.brand img {
  width: 84px;
  height: 84px;
  object-fit: cover;
  border-radius: 14px;
  background: var(--accent-grad) padding-box;
  border: 2px solid transparent;
  box-shadow: 0 10px 28px rgba(16, 209, 216, .25);
}

.brand .name {
  font-family: var(--ff-serif);
  font-weight: 800;
  font-size: 10px;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand .role {
  font-size: 12px;
  color: var(--muted);
}

.sidebar .nav {
  list-style: none;
  padding: 10px 0 20px;
  margin: 14px 0 22px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.sidebar .nav a {
  display: block;
  padding: 10px 12px;
  margin: 6px 0;
  color: var(--text);
  text-decoration: none;
  border-radius: 12px;
  transition: transform var(--t-fast), background var(--t-fast), color var(--t-fast), box-shadow var(--t-fast);
}

.sidebar .nav a:hover {
  transform: translateX(4px);
  color: #0b1220;
  background: var(--accent-grad);
  box-shadow: 0 10px 24px rgba(16, 209, 216, .30);
}

.sidebar .social {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.sidebar .social a {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: color-mix(in oklab, var(--surface-2), transparent 10%);
  border: 1px solid var(--line);
  color: var(--text);
  transition: transform var(--t-fast), background var(--t-fast), box-shadow var(--t-fast);
}

.sidebar .social a:hover {
  transform: translateY(-3px);
  background: var(--accent-grad);
  color: #0b1220;
  box-shadow: 0 10px 24px rgba(255, 138, 61, .25);
}

.content {
  margin-left: 280px;
}

/* --------------------------- */
/* 4) HERO / HOME */
/* --------------------------- */
/* ===============================
   HOME SECTION (Hero)
   =============================== */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  color: #fff;

  /* ✅ Background same as Skills section */
  background: linear-gradient(180deg,
      rgba(255, 255, 255, 0.02),
      transparent 40%),
    var(--section-grad);
}

/* Subtle glowing overlay */
.hero-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 25% 20%,
      rgba(0, 255, 255, 0.08),
      transparent 60%),
    radial-gradient(circle at 80% 80%,
      rgba(0, 128, 255, 0.12),
      transparent 80%);
  z-index: 1;
  pointer-events: none;
}

/* Main Layout */
.hero-container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  align-items: center;
  width: 100%;
  max-width: 1400px;
  padding: 0 6%;
  gap: 40px;
}

/* ========== Text Side ========== */
.hero-text {
  animation: fadeInLeft 1.3s ease forwards;
}

.intro {
  font-size: 1.1rem;
  color: #00eaff;
  margin-bottom: 10px;
}

.hero-title {
  font-size: clamp(36px, 4.2vw, 60px);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 20px;
}

.highlight {
  color: #00eaff;
  text-shadow: 0 0 12px rgba(0, 234, 255, 0.6);
}

.hero-desc {
  color: #a9b8c9;
  font-size: clamp(16px, 2vw, 20px);
  margin-bottom: 35px;
  line-height: 1.6;
  max-width: 580px;
}

.hero-buttons {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

/* Buttons */
.btn-brand {
  background: linear-gradient(90deg, #ffcc70, #ffaf42);
  color: #0a0f18;
  border-radius: 50px;
  padding: 12px 28px;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s ease;
  box-shadow: 0 6px 20px rgba(255, 175, 66, 0.3);
}

.btn-brand:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 10px 25px rgba(255, 175, 66, 0.45);
}

.btn-ghost {
  border: 1px solid #00eaff;
  color: #00eaff;
  background: transparent;
  border-radius: 50px;
  padding: 12px 28px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.btn-ghost:hover {
  background: linear-gradient(90deg, #00eaff, #00bfff);
  color: #0a0f18;
}

/* ========== Image Side ========== */
.hero-image {
  position: relative;
  text-align: right;
  animation: fadeInRight 1.3s ease forwards;
}

.hero-image img {
  width: 100%;
  height: 100vh;
  object-fit: cover;
  object-position: top center;
  filter: drop-shadow(0 0 30px rgba(0, 255, 255, 0.25));
  transition: transform 0.5s ease;
}

.hero-image img:hover {
  transform: scale(1.02);
}

/* ========== Animation ========== */
@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-40px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ========== Mobile Responsive ========== */
@media (max-width: 992px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-image {
    position: absolute;
    inset: 0;
    z-index: 0;
  }

  .hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    opacity: 0.25;
  }

  .hero-text {
    position: relative;
    z-index: 2;
    max-width: 90%;
    margin: 0 auto;
    margin-top: 40vh;
  }

  .hero-desc {
    color: #e3edf5;
  }

  .btn-brand {
    background: linear-gradient(90deg, #ffcc70, #ffaf42);
    box-shadow: 0 6px 20px rgba(255, 175, 66, 0.35);
  }
}

/* ========== Extra Small Screens ========== */
@media (max-width: 640px) {
  .hero-title {
    font-size: 1.8rem;
  }

  .hero-desc {
    font-size: 0.95rem;
  }

  .btn-brand,
  .btn-ghost {
    padding: 10px 22px;
    font-size: 0.9rem;
  }
}

/* --------------------------- */
/* 5) GRID, CARDS & LISTS */
/* --------------------------- */
.grid {
  display: grid;
  gap: 18px;
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  background: linear-gradient(180deg, color-mix(in oklab, var(--surface), transparent 6%), color-mix(in oklab, var(--surface-2), transparent 6%));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--pad);
  box-shadow: var(--shadow);
  position: relative;
  transition: transform var(--t-med), box-shadow var(--t-med), border-color var(--t-fast);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 40px rgba(0, 0, 0, .6);
  border-color: color-mix(in oklab, var(--accent), transparent 70%);
}

/* ========================== */
/* SIDEBAR + MOBILE NAV (Neon Glow Animated) */
/* ========================== */

/* Hamburger */
.hamburger {
  position: fixed;
  top: 18px;
  left: 18px;
  width: 38px;
  height: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  z-index: 1100;
  background: transparent;
  border: none;
}

.hamburger .bar {
  height: 4px;
  width: 100%;
  background: var(--accent);
  border-radius: 2px;
  transition: all 0.3s ease;
  box-shadow: 0 0 10px rgba(0, 255, 255, 0.4);
}

.hamburger.active .bar:nth-child(1) {
  transform: rotate(45deg) translate(7px, 7px);
}

.hamburger.active .bar:nth-child(2) {
  opacity: 0;
}

.hamburger.active .bar:nth-child(3) {
  transform: rotate(-45deg) translate(8px, -8px);
}

/* Backdrop */
.backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(6px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease;
  z-index: 900;
}

.backdrop.show {
  opacity: 1;
  visibility: visible;
}

/* Sidebar */
.sidebar {
  position: fixed;
  top: 0;
  left: -280px;
  width: 260px;
  height: 100%;
  background: linear-gradient(160deg, rgba(10, 20, 35, 0.95), rgba(8, 15, 25, 0.95));
  border-right: 1px solid rgba(0, 255, 255, 0.15);
  box-shadow: 0 0 25px rgba(0, 255, 255, 0.08), 4px 0 40px rgba(0, 255, 255, 0.05);
  backdrop-filter: blur(16px);
  padding: 24px 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  z-index: 1000;
  transition: left 0.35s ease;
  /* ✨ Neon breathing animation */
  animation: sidebarGlow 4s ease-in-out infinite;
}

/* Neon breathing glow keyframes */
@keyframes sidebarGlow {
  0% {
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.08),
      4px 0 40px rgba(0, 255, 255, 0.05);
  }

  50% {
    box-shadow: 0 0 30px rgba(0, 255, 255, 0.2),
      6px 0 60px rgba(0, 255, 255, 0.1);
  }

  100% {
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.08),
      4px 0 40px rgba(0, 255, 255, 0.05);
  }
}

.sidebar.show {
  left: 0;
}

/* Subtle inner border */
.sidebar::before {
  content: "";
  position: absolute;
  inset: 0;
  border-right: 2px solid rgba(0, 255, 255, 0.08);
  pointer-events: none;
}

/* Brand */
.sidebar .brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.sidebar .brand img {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  box-shadow: 0 0 12px rgba(0, 255, 255, 0.3);
}

.sidebar .brand .name {
  font-weight: 700;
  font-size: 1.5rem;
  color: #fff;
  text-shadow: 0 0 8px rgba(204, 0, 255, 0.548);
}

.sidebar .brand .role {
  font-size: 0.85rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Slogan */
.site-slogan {
  display: block;
  font-size: 0.85rem;
  font-style: italic;
  color: var(--muted);
  margin-bottom: 22px;
  opacity: 0.8;
}

/* Nav Links */
.sidebar .nav {
  list-style: none;
  padding: 0;
  margin: 0;
  flex-grow: 1;
}

.sidebar .nav li {
  margin-bottom: 10px;
}

.sidebar .nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: var(--muted);
  font-size: 0.95rem;
  transition: background 0.25s, color 0.25s, box-shadow 0.25s;
  position: relative;
}

.sidebar .nav a:hover,
.sidebar .nav a.active {
  background: rgba(0, 255, 255, 0.12);
  color: #fff;
  box-shadow: inset 0 0 12px rgba(0, 255, 255, 0.15),
    0 0 15px rgba(0, 255, 255, 0.08);
}

.sidebar .nav a.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  border-radius: 0 3px 3px 0;
  background: linear-gradient(180deg, #00ffff, #0077ff);
  box-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

/* Social Icons */
.sidebar .social {
  display: flex;
  gap: 14px;
  margin-top: 20px;
}

.sidebar .social a {
  font-size: 1.3rem;
  color: var(--muted);
  transition: all 0.3s ease;
}

.sidebar .social a:hover {
  color: #00eaff;
  text-shadow: 0 0 12px rgba(0, 234, 255, 0.6);
  transform: translateY(-3px);
}

/* Responsive */
@media (min-width: 992px) {

  .hamburger,
  .backdrop {
    display: none;
  }

  .sidebar {
    left: 0;
    position: sticky;
    top: 0;
    height: 100vh;
  }
}


/* ========================== */
/* ABOUT SECTION              */
/* ========================== */
#about .about-card {
  display: flex;
  gap: 40px;
  align-items: center;
  padding: 40px;
  border: 1px solid var(--line);
  background: linear-gradient(145deg,
      color-mix(in oklab, var(--surface), transparent 5%),
      color-mix(in oklab, var(--surface-2), transparent 10%));
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.45);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

#about .about-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
}

/* ---------- LEFT SIDE (Circular Transparent Photo + Glow Border) ---------- */
#about .about-left {
  flex: 1;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

#about .about-image {
  width: 300px;
  height: 300px;
  border-radius: 50%;
  overflow: hidden;
  position: relative;
  margin-bottom: 20px;
  transition: transform 0.5s ease, filter 0.5s ease;
}

/* Gradient circular border effect */
#about .about-image::before {
  content: "";
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: conic-gradient(from 0deg,
      rgba(0, 255, 240, 0.6),
      rgba(0, 140, 255, 0.6),
      rgba(0, 255, 240, 0.6));
  z-index: -1;
  opacity: 0.8;
  transition: opacity 0.4s ease;
}

#about .about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  background: transparent;
  filter: drop-shadow(0 6px 14px rgba(0, 0, 0, 0.4));
}

/* Hover: lift + subtle aqua glow */
#about .about-image:hover {
  transform: translateY(-8px) scale(1.05);
  filter: drop-shadow(0 15px 35px rgba(0, 255, 240, 0.4));
}

#about .about-image:hover::before {
  opacity: 1;
  background: conic-gradient(from 180deg,
      rgba(0, 255, 230, 0.9),
      rgba(0, 180, 255, 0.9),
      rgba(0, 255, 230, 0.9));
}

/* ---------- TEXT & BUTTON ---------- */
#about .about-intro {
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.6;
  margin-top: 10px;
  max-width: 400px;
}

#about .about-right {
  flex: 1.5;
}

#about .about-details {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 25px;
}

#about .detail {
  font-size: 0.95rem;
  color: var(--muted);
  padding: 6px 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.08);
}

#about .detail span {
  font-weight: 600;
  color: var(--accent);
  display: inline-block;
  min-width: 120px;
}

#about .about-links .btn-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 999px;
  background: var(--accent-grad);
  color: #0b1220;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

#about .about-links .btn-brand:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 234, 255, 0.4);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 992px) {
  #about .about-card {
    flex-direction: column;
    text-align: center;
    padding: 30px 20px;
  }

  #about .about-left {
    margin-bottom: 25px;
  }

  #about .about-image {
    width: 240px;
    height: 240px;
  }

  #about .about-right {
    width: 100%;
  }

  #about .about-details {
    width: 100%;
    text-align: left;
    max-width: 350px;
    margin: 0 auto 25px;
  }

  #about .detail span {
    min-width: auto;
  }
}

@media (max-width: 600px) {
  #about .about-image {
    width: 200px;
    height: 200px;
  }

  #about .about-intro {
    font-size: 0.9rem;
    max-width: 90%;
  }

  #about .about-details {
    gap: 8px;
  }

  #about .btn-brand {
    font-size: 0.9rem;
    padding: 9px 18px;
  }
}


/* ========================== */
/* EDUCATION TIMELINE         */
/* ========================== */
#education {
  position: relative;
  background: linear-gradient(180deg, rgba(255, 255, 255, .02), transparent 40%), var(--section-grad);
  padding-top: 60px;
  padding-bottom: 60px;
}

#education .timeline {
  position: relative;
  margin: 40px auto;
  padding-left: 30px;
  border-left: 2px solid var(--line);
}

#education .timeline-item {
  position: relative;
  margin-bottom: 40px;
  display: flex;
  align-items: center;
  /* ✅ perfectly centers logo & box */
  gap: 18px;
}

#education .timeline-icon {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: color-mix(in oklab, var(--surface), transparent 8%);
  border: 2px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  /* ✅ keeps logo clean inside circle */
  box-shadow: 0 6px 18px rgba(0, 0, 0, .35);
  transition: border-color var(--t-fast), transform var(--t-fast);
}

/* 🔥 Perfect logo alignment + safe clickable link */
#education .timeline-icon a {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  text-decoration: none;
}

#education .timeline-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  /* ✅ fills circle neatly */
  border-radius: 50%;
  transition: transform 0.3s ease;
}

#education .timeline-item:hover .timeline-icon {
  border-color: var(--accent);
  transform: scale(1.05);
}

/* ✅ Equal height + perfect box centering */
#education .timeline-content {
  background: linear-gradient(180deg,
      color-mix(in oklab, var(--surface), transparent 6%),
      color-mix(in oklab, var(--surface-2), transparent 10%));
  padding: 16px 22px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  box-shadow: 0 8px 20px rgba(0, 0, 0, .35);
  transition: border-color var(--t-fast), box-shadow var(--t-med);

  width: 100%;
  max-width: 520px;
  min-height: 115px;
  /* ensures both boxes equal */
  display: flex;
  flex-direction: column;
  justify-content: center;
}

#education .timeline-item:hover .timeline-content {
  border-color: color-mix(in oklab, var(--accent), transparent 60%);
  box-shadow: 0 14px 28px rgba(0, 0, 0, .55);
}

#education .timeline-content .date {
  font-size: .9rem;
  font-weight: 600;
  color: var(--accent);
  display: block;
  margin-bottom: 6px;
}

#education .timeline-content h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: #fff;
}

#education .timeline-content p {
  font-size: .95rem;
  color: var(--muted);
  line-height: 1.5;
}

/* Responsive */
@media (max-width: 768px) {
  #education .timeline {
    padding-left: 20px;
  }

  #education .timeline-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  #education .timeline-icon {
    width: 56px;
    height: 56px;
  }

  #education .timeline-icon img {
    width: 100%;
    height: 100%;
  }

  #education .timeline-content {
    max-width: 100%;
    min-height: 115px;
  }
}




/* ========================== */
/* FOOTER                     */
/* ========================== */

.footer {
  background: linear-gradient(145deg,
      color-mix(in oklab, var(--surface), transparent 10%),
      color-mix(in oklab, var(--surface-2), transparent 20%));
  border-top: 1px solid var(--line);
  padding: 24px 0;
  margin-top: 40px;
  font-size: .9rem;
  color: var(--muted);
}

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

.footer-left p {
  margin: 4px 0;
}

.footer-left .tagline {
  font-size: .85rem;
  font-style: italic;
  color: var(--accent);
}

.footer-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.footer-right a {
  font-size: 1.2rem;
  color: var(--muted);
  transition: color .3s, transform .3s;
}

.footer-right a:hover {
  color: var(--accent);
  transform: scale(1.15);
}

/* Responsive */
@media (max-width: 768px) {
  .foot-wrap {
    flex-direction: column;
    text-align: center;
  }

  .footer-right {
    justify-content: center;
  }
}

/* ========================== */
/* HERO CTA BUTTONS           */
/* ========================== */

.hero .btn {
  display: inline-block;
  padding: 12px 24px;
  margin: 6px;
  font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  transition: all 0.35s ease;
  font-size: 1rem;
  letter-spacing: 0.3px;
  backdrop-filter: blur(10px);
}

/* Glassy Gradient Resume Btn */
.hero .btn-resume {
  background: linear-gradient(135deg,
      color-mix(in srgb, var(--brand), #00c6ff 40%),
      color-mix(in srgb, var(--brand), #ff6b6b 40%));
  color: #fff;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.hero .btn-resume:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.35);
}

/* Ghost Hire Me Btn */
.hero .btn-hire {
  border: 2px solid var(--brand);
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
}

.hero .btn-hire:hover {
  background: var(--brand);
  color: #fff;
  transform: translateY(-2px);
}

/* Muted text style for hero */
.hero p {
  color: var(--muted);
  max-width: 700px;
  margin: 0 auto 20px auto;
  line-height: 1.6;
}

/* ========================== */
/* EXPERIENCE SECTION         */
/* ========================== */
#experience {
  position: relative;
  background: linear-gradient(180deg, rgba(255, 255, 255, .015), transparent 40%), var(--section-grad);
  padding-top: 60px;
  padding-bottom: 60px;
}

/* Timeline Layout */
#experience .timeline {
  position: relative;
  margin: 40px auto;
  padding-left: 35px;
  border-left: 2px solid color-mix(in oklab, var(--line), transparent 20%);
}

#experience .timeline-item {
  position: relative;
  margin-bottom: 42px;
  display: flex;
  align-items: flex-start;
  /* ✅ align logo to top */
  gap: 20px;
  transition: all 0.3s ease;
}

/* ✅ Updated: Rounded Box Logo Positioned Slightly Up */
#experience .timeline-icon {
  flex-shrink: 0;
  width: 78px;
  height: 78px;
  border-radius: 16px;
  background: linear-gradient(145deg, rgba(255, 255, 255, .04), rgba(0, 0, 0, .2));
  border: 2px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 18px rgba(0, 0, 0, .35);
  transition: all 0.3s ease;
  overflow: hidden;
  align-self: flex-start;
  /* ✅ top align */
  margin-top: 4px;
  /* slight adjustment to match heading level */
}

#experience .timeline-icon a {
  width: 100%;
  height: 100%;
  display: flex;
  border-radius: 16px;
  align-items: center;
  justify-content: center;
}

#experience .timeline-icon img {
  width: 85%;
  height: 85%;
  border-radius: 10px;
  object-fit: contain;
  background: #fff;
  transition: transform 0.3s ease;
}

/* Hover Logo Glow */
#experience .timeline-item:hover .timeline-icon {
  border-color: var(--accent);
  box-shadow: 0 0 18px color-mix(in oklab, var(--accent), transparent 45%);
  transform: scale(1.06);
}

#experience .timeline-item:hover .timeline-icon img {
  transform: scale(1.05);
}

/* Right Content Box */
#experience .timeline-content {
  background: linear-gradient(180deg,
      color-mix(in oklab, var(--surface), transparent 6%),
      color-mix(in oklab, var(--surface-2), transparent 10%));
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  padding: 20px 24px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, .4);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  width: 100%;
  max-width: 520px;
  min-height: 120px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* Hover Lift */
#experience .timeline-item:hover .timeline-content {
  transform: translateY(-6px) scale(1.02);
  border-color: color-mix(in oklab, var(--accent), transparent 60%);
  box-shadow: 0 18px 36px rgba(0, 0, 0, .6);
}

/* Typography */
#experience .timeline-content h4 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}

#experience .exp-meta {
  font-size: .9rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 10px;
}

#experience .timeline-content ul {
  font-size: .95rem;
  color: var(--muted);
  line-height: 1.55;
  list-style: disc;
  margin-left: 20px;
}

#experience .timeline-content ul li {
  margin-bottom: 6px;
}

/* Timeline dot glow */
#experience .timeline-item::before {
  content: "";
  position: absolute;
  left: -38px;
  top: 34px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
}

/* Responsive Design */
@media (max-width: 768px) {
  #experience .timeline {
    padding-left: 20px;
  }

  #experience .timeline-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

  #experience .timeline-icon {
    width: 64px;
    height: 64px;
    border-radius: 12px;
    margin-top: 0;
  }

  #experience .timeline-icon a {
    border-radius: 12px;
  }

  #experience .timeline-content {
    max-width: 100%;
  }

  #experience .timeline-item::before {
    left: -28px;
  }
}


/* ========================== */
/* CONTACT SECTION            */
/* ========================== */
/* ==============================
   CONTACT SECTION
   ============================== */
#contact {
  position: relative;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.015), transparent 40%), var(--section-grad);
  padding: 60px 0;
}

/* Grid Layout */
#contact .grid {
  display: grid;
  gap: 28px;
}

/* ---- Contact Form ---- */
#contact form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

#contact .form-row.two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

#contact .form-control {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: color-mix(in oklab, var(--surface), transparent 6%);
  font-size: 0.95rem;
  color: #fff;
  transition: all var(--t-fast);
}

#contact .form-control:focus {
  outline: none;
  border-color: var(--accent);
  background: color-mix(in oklab, var(--surface-2), transparent 4%);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--accent), transparent 80%);
}

/* Textarea */
#contact textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

/* ---- Error Messages ---- */
#contact .error {
  font-size: 0.8rem;
  font-weight: 500;
  color: #ff6b6b;
  display: none;
  margin-top: 4px;
}

#contact .form-control.invalid {
  border-color: #ff6b6b;
  box-shadow: 0 0 0 2px rgba(255, 107, 107, 0.4);
}

/* ---- Buttons ---- */
#contact .btn-brand {
  background: var(--accent-grad);
  border: none;
  color: #0b1220;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: 999px;
  transition: all var(--t-fast);
  cursor: pointer;
}

#contact .btn-brand:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(16, 209, 216, 0.4);
}

#contact .btn-ghost {
  border: 1px solid var(--accent);
  border-radius: 999px;
  padding: 10px 20px;
  font-weight: 600;
  color: var(--accent);
  background: transparent;
  transition: all var(--t-fast);
  cursor: pointer;
}

#contact .btn-ghost:hover {
  background: var(--accent-grad);
  color: #0b1220;
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(16, 209, 216, 0.4);
}

/* ---- Contact Info Card ---- */
#contact .card {
  background: color-mix(in oklab, var(--surface-2), transparent 10%);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  transition: transform var(--t-fast), box-shadow var(--t-fast);
}

#contact .card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
}

#contact .card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: #fff;
}

#contact .card p {
  font-size: 0.95rem;
  color: var(--muted);
  margin-bottom: 6px;
}

#contact .card a {
  transition: color var(--t-fast);
}

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

/* ---- Social Icons ---- */
#contact .social {
  display: flex;
  gap: 14px;
  justify-content: center;
}

#contact .social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: color-mix(in oklab, var(--surface-2), transparent 8%);
  color: #fff;
  font-size: 1.2rem;
  transition: all var(--t-fast);
}

#contact .social a:hover {
  background: var(--accent-grad);
  color: #0b1220;
  transform: translateY(-3px);
  box-shadow: 0 6px 14px rgba(16, 209, 216, 0.35);
}

/* ---- Embedded Map Styling ---- */
#contact iframe {
  border-radius: var(--radius-md);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  transition: box-shadow 0.3s ease;
}

#contact iframe:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.45);
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  #contact {
    padding: 50px 20px;
  }
}

@media (max-width: 768px) {
  #contact .grid-2 {
    grid-template-columns: 1fr;
  }

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

  #contact iframe {
    height: 180px;
  }
}

@media (max-width: 480px) {
  #contact {
    padding: 40px 16px;
  }

  #contact .btn-brand,
  #contact .btn-ghost {
    width: 100%;
    text-align: center;
  }

  #contact .social {
    justify-content: center;
  }
}

/* ========================== */
/* PROJECTS SECTION           */
/* ========================== */
/* ================================
   PROJECT SECTION (Overlay v2)
================================ */
#projects {
  position: relative;
  background: linear-gradient(180deg, rgba(255, 255, 255, .015), transparent 40%), var(--section-grad);
  padding: 60px 0;
}

#projects .section-sub {
  font-size: 1rem;
  color: var(--muted);
  margin-bottom: 36px;
  text-align: center;
  letter-spacing: .3px;
}

#projects .grid {
  gap: 32px;
}

/* Project Card */
.project-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(180deg,
      color-mix(in oklab, var(--surface), transparent 8%),
      color-mix(in oklab, var(--surface-2), transparent 15%));
  border: 1px solid color-mix(in oklab, var(--accent), transparent 85%);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.45);
  transition: transform .45s ease, box-shadow .45s ease, border-color .3s ease;
}

.project-card:hover {
  transform: translateY(-8px) scale(1.02);
  border-color: color-mix(in oklab, var(--accent), transparent 60%);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.7);
}

/* Top-right GitHub icon */
.project-card .icon-link {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 3;
  color: var(--accent);
  font-size: 1.2rem;
  background: rgba(15, 20, 35, 0.85);
  padding: 6px 8px;
  border-radius: 50%;
  transition: all 0.3s ease;
}

.project-card .icon-link:hover {
  background: var(--accent-grad);
  color: #0b1220;
  transform: scale(1.15);
}

/* Image */
.project-card img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  transition: transform .5s ease, filter .5s ease;
}

.project-card:hover img {
  transform: scale(1.08);
  filter: brightness(1.15);
}

/* Overlay box */
.project-overlay {
  position: relative;
  width: 85%;
  background: rgba(20, 25, 40, 0.95);
  border-radius: 14px;
  box-shadow: 0 8px 26px rgba(0, 0, 0, 0.6);
  padding: 16px 18px 20px;
  backdrop-filter: blur(8px);
  text-align: center;
  z-index: 2;
  margin: -40px auto 18px;
  transition: all .4s ease;
}

.project-card:hover .project-overlay {
  background: rgba(25, 30, 50, 0.98);
  transform: translateY(-6px);
}

/* Title & Description */
.project-overlay h4 {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}

.project-overlay .lead {
  font-size: .85rem;
  color: var(--muted);
  line-height: 1.5;
  margin-bottom: 10px;
}

/* Tag Box */
.project-overlay .tag-box {
  display: flex;
  justify-content: center;
  flex-wrap: nowrap;
  gap: 6px;
}

.project-overlay .tag {
  display: inline-block;
  font-size: .7rem;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 999px;
  background: color-mix(in oklab, var(--accent), transparent 85%);
  border: 1px solid color-mix(in oklab, var(--accent), transparent 70%);
  color: var(--accent);
  transition: all .25s ease;
}

.project-overlay .tag:hover {
  background: var(--accent-grad);
  color: #0b1220;
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(16, 209, 216, .35);
}

/* GitHub button */
.project-btn {
  text-align: center;
  margin-top: 36px;
}

#projects .btn-ghost {
  display: inline-block;
  padding: 10px 22px;
  border-radius: 999px;
  font-size: .95rem;
  font-weight: 600;
  border: 1px solid var(--accent);
  color: var(--accent);
  background: transparent;
  transition: all var(--t-fast);
}

#projects .btn-ghost:hover {
  background: var(--accent-grad);
  color: #0b1220;
  border-color: transparent;
  box-shadow: 0 6px 16px rgba(16, 209, 216, .4);
  transform: translateY(-2px);
}

/* Responsive */
@media (max-width: 992px) {
  #projects .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  #projects .grid-3 {
    grid-template-columns: 1fr;
  }

  .project-card img {
    height: 220px;
  }

  .project-overlay {
    width: 90%;
    margin-top: -35px;
  }
}


/* ========================== */
/* CERTIFICATIONS SECTION     */
/* ========================== */

/* SECTION */
#certifications {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 40%), var(--section-grad);
  padding: 60px 0;
  position: relative;
  overflow: hidden;
}

#certifications .section-title {
  text-align: center;
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 40px;
  letter-spacing: 0.5px;
}

/* FILTER BUTTONS */
.cert-filter {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
}

.filter-btn {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border: none;
  border-radius: 30px;
  padding: 10px 22px;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.filter-btn:hover {
  background: var(--accent);
  transform: translateY(-2px);
}

.filter-btn.active {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 10px rgba(0, 255, 200, 0.3);
}

/* GRID LAYOUT */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  justify-content: center;
  align-items: start;
  transition: all 0.3s ease;
}

/* CARD DESIGN */
.cert-card {
  position: relative;
  overflow: hidden;
  border-radius: 16px;
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.5);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.02);
}

.cert-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease, filter 0.4s ease;
}

.cert-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 38px rgba(0, 0, 0, 0.7);
}

.cert-card:hover img {
  transform: scale(1.06);
  filter: brightness(0.95);
}

/* OVERLAY INFO */
.cert-info {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.82);
  backdrop-filter: blur(6px);
  color: #fff;
  opacity: 0;
  transform: translateY(20%);
  transition: all 0.4s ease-in-out;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 24px;
  border-radius: inherit;
}

.cert-card:hover .cert-info {
  opacity: 1;
  transform: translateY(0);
}

.cert-info h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: #fff;
  line-height: 1.3;
}

.cert-info p {
  font-size: 0.95rem;
  color: #b0c4d8;
  margin-bottom: 16px;
}

/* VIEW BUTTON */
.view-btn {
  display: inline-block;
  width: 38px;
  height: 38px;
  line-height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  font-size: 1.5rem;
  font-weight: 500;
  transition: all 0.3s ease;
  text-align: center;
  backdrop-filter: blur(4px);
}

.view-btn:hover {
  background: var(--accent);
  transform: scale(1.1);
}

/* LOAD BUTTONS */
.load-more-container {
  text-align: center;
  margin-top: 40px;
}

#loadMoreBtn,
#loadLessBtn {
  background: var(--accent);
  border: none;
  color: #fff;
  font-size: 1rem;
  padding: 10px 26px;
  border-radius: 25px;
  cursor: pointer;
  transition: all 0.3s ease;
  margin: 0 8px;
  box-shadow: 0 5px 14px rgba(0, 0, 0, 0.3);
}

#loadMoreBtn:hover,
#loadLessBtn:hover {
  background: #00c7a5;
  transform: translateY(-2px);
}

.hidden {
  display: none !important;
}

/* RESPONSIVE FIXES */
@media (max-width: 1024px) {
  .cert-info h3 {
    font-size: 1.1rem;
  }

  .cert-info p {
    font-size: 0.9rem;
  }
}

@media (max-width: 768px) {
  #certifications .section-title {
    font-size: 1.7rem;
  }

  .cert-filter {
    gap: 8px;
  }

  .filter-btn {
    font-size: 0.85rem;
    padding: 8px 18px;
  }

  .cert-info {
    padding: 18px;
  }

  .cert-info h3 {
    font-size: 1rem;
  }

  .cert-info p {
    font-size: 0.85rem;
  }

  .view-btn {
    width: 32px;
    height: 32px;
    font-size: 1.2rem;
  }

  #loadMoreBtn,
  #loadLessBtn {
    padding: 8px 20px;
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  .cert-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .filter-btn {
    width: 100%;
    text-align: center;
  }

  .cert-info h3 {
    font-size: 0.95rem;
  }

  .cert-info p {
    font-size: 0.8rem;
  }
}



/* ========================== */
/* SKILLS SECTION             */
/* ========================== */
#skills {
  position: relative;
  background: linear-gradient(180deg, rgba(255, 255, 255, .02), transparent 40%), var(--section-grad);
}

#skills .section-sub {
  font-size: 1rem;
  color: var(--muted);
  margin-bottom: 36px;
  text-align: center;
  letter-spacing: .3px;
}

#skills .grid {
  gap: 24px;
}

/* ✅ CARD ALIGNMENT FIX */
#skills .card {
  border: 1px solid var(--line);
  background: linear-gradient(180deg,
      color-mix(in oklab, var(--surface), transparent 6%),
      color-mix(in oklab, var(--surface-2), transparent 10%));
  border-radius: var(--radius-lg);
  padding: var(--pad-lg) var(--pad);
  box-shadow: 0 12px 28px rgba(0, 0, 0, .45);
  transition: transform var(--t-med), box-shadow var(--t-med), border-color var(--t-fast);

  /* 🔥 New added alignment fix */
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 270px;
  /* equal height for perfect badge line */
}

#skills .card:hover {
  transform: translateY(-6px) scale(1.02);
  border-color: color-mix(in oklab, var(--accent), transparent 65%);
  box-shadow: 0 24px 48px rgba(0, 0, 0, .65);
}

#skills .card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: #fff;
}

#skills .card .lead {
  font-size: .95rem;
  color: var(--muted);
  margin-bottom: 14px;
  flex-grow: 1;
  /* ✅ pushes badges to bottom evenly */
}

/* Tag / Badge styles */
#skills .quick-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
  /* ✅ ensures same line alignment */
}

#skills .tag {
  display: inline-block;
  font-size: .75rem;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 999px;
  background: color-mix(in oklab, var(--accent), transparent 88%);
  border: 1px solid color-mix(in oklab, var(--accent), transparent 70%);
  color: var(--accent);
  letter-spacing: .3px;
  transition: all var(--t-fast);
}

#skills .tag:hover {
  background: var(--accent-grad);
  border-color: transparent;
  color: #0b1220;
  box-shadow: 0 6px 16px rgba(16, 209, 216, .35);
  transform: translateY(-2px);
}

/* Responsive */
@media (max-width: 992px) {
  #skills .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  #skills .grid-3 {
    grid-template-columns: 1fr;
  }

  #skills .card {
    height: auto;
    /* ✅ Mobile: flexible height */
  }
}

/* Skill card icon */
#skills .skill-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  margin-bottom: 12px;

  /* subtle glassy gradient with glow to match your design */
  background: radial-gradient(120% 120% at 20% 20%,
      color-mix(in oklab, var(--accent), transparent 60%) 0%,
      color-mix(in oklab, var(--surface-2), transparent 0%) 60%),
    linear-gradient(180deg,
      color-mix(in oklab, var(--surface), transparent 6%),
      color-mix(in oklab, var(--surface-2), transparent 12%));
  box-shadow:
    0 8px 22px rgba(0, 0, 0, .35),
    0 0 0 1px color-mix(in oklab, var(--accent), transparent 72%),
    0 0 22px color-mix(in oklab, var(--accent), transparent 70%);
  color: color-mix(in oklab, var(--accent), white 10%);
}

#skills .skill-icon svg {
  width: 26px;
  height: 26px;
  display: block;
}

/* horizontal alignment for icon + title */
#skills .skill-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

#skills .skill-header h3 {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
}

/* keep icon same size */
#skills .skill-icon {
  flex-shrink: 0;
}

/* ========================== */
/* SERVICES SECTION           */
/* ========================== */
#services {
  position: relative;
  background: linear-gradient(180deg, rgba(255, 255, 255, .015), transparent 40%), var(--section-grad);
}

#services .section-sub {
  font-size: 1rem;
  color: var(--muted);
  margin-bottom: 36px;
  text-align: center;
  letter-spacing: .3px;
}

#services .grid {
  gap: 28px;
}

/* Card container */
#services .service-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(180deg,
      color-mix(in oklab, var(--surface), transparent 5%),
      color-mix(in oklab, var(--surface-2), transparent 10%));
  box-shadow: 0 10px 26px rgba(0, 0, 0, .4);
  transition: transform var(--t-med), box-shadow var(--t-med);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  min-height: 440px;
}

#services .service-card:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: 0 18px 40px rgba(0, 0, 0, .6);
}

/* Image block */
#services .service-img {
  width: 100%;
  height: 260px;
  overflow: hidden;
}

#services .service-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .6s ease;
}

#services .service-card:hover .service-img img {
  transform: scale(1.06);
}

/* Inner info box (Transparent Overlay) */
#services .service-info {
  position: relative;
  margin: -60px auto 0;
  width: 85%;
  background: rgba(20, 25, 40, 0.75);
  /* ✅ Transparent look */
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 18px 20px 22px;
  box-shadow: 0 8px 26px rgba(0, 0, 0, 0.6),
    0 0 12px rgba(16, 209, 216, 0.08);
  backdrop-filter: blur(10px);
  /* ✅ Glass blur effect */
  text-align: center;
  transition: all .35s ease;
}

#services .service-card:hover .service-info {
  background: rgba(25, 30, 50, 0.82);
  transform: translateY(-5px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.7),
    0 0 16px rgba(16, 209, 216, 0.12);
}

/* Title inside box */
#services .service-info h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: #fff;
  line-height: 1.35;
}

/* Description inside box */
#services .service-info p {
  font-size: .9rem;
  color: var(--muted);
  line-height: 1.45;
  margin-bottom: 12px;
}

/* Read more link */
#services .read-more {
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color .3s, transform .3s;
}

#services .read-more:hover {
  color: color-mix(in oklab, var(--accent), white 20%);
  transform: translateY(-2px);
}

/* See More button */
#services .see-more-wrapper {
  text-align: center;
  margin-top: 40px;
}

#services .see-more-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 12px 26px;
  border-radius: var(--radius-md);
  font-size: 1rem;
  cursor: pointer;
  transition: background .3s, transform .2s;
}

#services .see-more-btn:hover {
  background: color-mix(in oklab, var(--accent), white 15%);
  transform: translateY(-2px);
}

/* Hidden initially */
.hidden-service {
  display: none;
}

/* Responsive */
@media (max-width: 992px) {
  #services .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  #services .service-card {
    min-height: 400px;
  }

  #services .service-img {
    height: 230px;
  }
}

@media (max-width: 640px) {
  #services .grid-3 {
    grid-template-columns: 1fr;
  }

  #services .service-img {
    height: 200px;
  }

  #services .service-info {
    width: 90%;
    margin-top: -45px;
    padding: 16px;
  }

  #services .service-card {
    min-height: 380px;
  }

  #services .service-info h3 {
    font-size: .98rem;
  }

  #services .service-info p {
    font-size: .85rem;
  }
}




/* ===== MOBILE HEADER ===== */
.mobile-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 56px;
  background: #fff;
  /* চাইলে gradient বা transparentও দিতে পারেন */
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px;
  border-bottom: 1px solid #e5e5e5;
  z-index: 1000;
}

/* Hamburger button */
.hamburger {
  width: 32px;
  height: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.hamburger .bar {
  display: block;
  height: 3px;
  width: 100%;
  background: #333;
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* Mini profile (right side) */
.mini-profile {
  display: flex;
  align-items: center;
  gap: 8px;
}

.mini-pic {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid #0077b6;
  /* Accent border */
}

.mini-info {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.mini-name {
  font-size: 14px;
  font-weight: 600;
  color: #222;
}

/* Responsive (tab+desktop এ fixed header না চাইলে) */
@media(min-width: 768px) {
  .mobile-header {
    display: none;
    /* শুধু mobile এ দেখাবে */
  }
}

/* --------------------------- */
/* 7) EXPERIENCE, PROJECTS, ETC */
/* --------------------------- */
/* (keep rest same as your file, already provided above — not removed) */
/* --------------------------- */
/* 12) RESPONSIVE BEHAVIOR */
/* --------------------------- */
@media (max-width: 992px) {
  .about-card {
    flex-direction: column;
    text-align: center;
  }

  .about-image img {
    width: 120px;
    height: 120px;
  }
}

/* (rest of your responsive rules remain unchanged) */