:root {
  --bg: #070b14;
  --bg-2: #0d1324;
  --surface: rgba(255,255,255,0.06);
  --surface-2: rgba(255,255,255,0.03);
  --border: rgba(255,255,255,0.12);
  --text: #f8fbff;
  --muted: rgba(248,251,255,0.72);
  --accent: #73e0ff;
  --accent-2: #8b7dff;
  --accent-3: #3be7c4;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  --glass-blur: blur(22px);
}

html[data-theme="light"] {
  --bg: #a1a5ac;
  --bg-2: #aeb7c5;

  --surface: rgba(255, 255, 255, 0.78);
  --surface-2: rgba(232, 235, 239, 0.72);

  --border: rgba(55, 65, 81, 0.14);

  --text: #20242a;
  --muted: rgba(75, 85, 99, 0.74);

  --accent: #44474c;
  --accent-2: #6f7782;
  --accent-3: #98b2d4;

  --shadow: 0 24px 70px rgba(55, 65, 81, 0.15);
  --glass-blur: blur(18px);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-snap-type: y mandatory;
}

body {
  font-family: 'Inter', sans-serif;
  background:
    radial-gradient(circle at top left, rgba(115,224,255,0.12), transparent 24%),
    radial-gradient(circle at right, rgba(139,125,255,0.12), transparent 28%),
    linear-gradient(180deg, var(--bg), var(--bg-2));
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.6;
  transition: background 0.35s ease, color 0.35s ease;
}

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

button,
input,
textarea {
  font: inherit;
}

.section {
  min-height: 100svh;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  display: flex;
  align-items: center;
  padding: 110px 0;
  position: relative;
}

.section-alt {
  background: linear-gradient(180deg, transparent, rgba(255,255,255,0.025), transparent);
}

.container {
  width: min(1200px, calc(100% - 40px));
  margin: 0 auto;
  position: relative;
}

.bg-orb {
  position: fixed;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.45;
  pointer-events: none;
  z-index: -1;
  animation: drift 16s ease-in-out infinite;
}

.orb-1 {
  top: -160px;
  left: -120px;
  background: radial-gradient(circle, rgba(115,224,255,0.28), transparent 68%);
}

.orb-2 {
  bottom: 0;
  right: -120px;
  background: radial-gradient(circle, rgba(139,125,255,0.26), transparent 68%);
  animation-delay: -5s;
}

.orb-3 {
  top: 40%;
  right: 20%;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(59,231,196,0.18), transparent 68%);
  animation-delay: -10s;
}

@keyframes drift {
  0%, 100% { transform: translate3d(0,0,0) scale(1); }
  50% { transform: translate3d(18px,-16px,0) scale(1.06); }
}

/* NAV */
.nav-wrap {
  position: fixed;
  top: 18px;
  left: 0;
  right: 0;
  z-index: 1000;
  pointer-events: none;
}

.nav {
  width: min(1260px, calc(100% - 24px));
  margin: 0 auto;
  pointer-events: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 16px;
  background: var(--surface);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.brand-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 0 7px rgba(115,224,255,0.10);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-size: 0.95rem;
}

.nav-links a {
  position: relative;
  padding: 8px 2px;
  transition: color 0.25s ease;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 3px;
  width: 100%;
  height: 2px;
  transform: scaleX(0);
  transform-origin: left;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: transform 0.25s ease;
  border-radius: 99px;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.icon-btn,
.btn {
  border: none;
  outline: none;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 0.25s ease, background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.icon-btn {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
}

.icon-btn:hover,
.btn:hover {
  transform: translateY(-1px);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  font-weight: 700;
  font-size: 0.95rem;
}

.btn-primary {
  color: #06111a;
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
  box-shadow: 0 14px 32px rgba(115,224,255,0.16);
}

.btn-ghost {
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border);
}

/* HERO */
.hero {
  padding-top: 130px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 40px;
}

.hero-content {
  position: relative;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border: 1px solid var(--border);
  background: var(--surface);
  backdrop-filter: var(--glass-blur);
  border-radius: 999px;
  color: var(--muted);
  margin-bottom: 24px;
}

.pulse {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-3);
  box-shadow: 0 0 0 0 rgba(59,231,196,0.4);
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(59,231,196,0.42); }
  70% { box-shadow: 0 0 0 12px rgba(59,231,196,0); }
  100% { box-shadow: 0 0 0 0 rgba(59,231,196,0); }
}

.hero h1 {
  font-size: clamp(3rem, 8vw, 6.5rem);
  line-height: 0.95;
  letter-spacing: -0.055em;
  margin-bottom: 22px;
  font-weight: 900;
}

.hero h1 span {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-text {
  max-width: 680px;
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  color: var(--muted);
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 36px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.stat-card {
  padding: 18px 18px 16px;
  border-radius: 22px;
  background: var(--surface);
  border: 1px solid var(--border);
  backdrop-filter: var(--glass-blur);
}

.stat-number {
  display: block;
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 1;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  display: block;
  margin-top: 8px;
  font-size: 0.9rem;
  color: var(--muted);
}

.hero-visual {
  position: relative;
}

.portrait-shell {
  position: relative;
  height: 600px;
  max-height: 80vh;
  width: 100%;
  border-radius: 30px;
  overflow: hidden;
}

.portrait {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}

.portrait-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0,0,0,0.1),
    rgba(0,0,0,0.7)
  );
  z-index: 1;
}

.floating-chip {
  position: absolute;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(6, 11, 20, 0.55);
  backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(255,255,255,0.12);
  color: #fff;
  font-size: 0.92rem;
  box-shadow: 0 18px 40px rgba(0,0,0,0.25);
  animation: floatY 5.5s ease-in-out infinite;
}

.floating-chip i {
  color: var(--accent);
}

.chip-1 { top: 26px; left: 26px; }
.chip-2 { top: 120px; right: 24px; animation-delay: -1.4s; }
.chip-3 { bottom: 30px; left: 28px; animation-delay: -2.3s; }

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.mini-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.mini-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--surface);
  backdrop-filter: var(--glass-blur);
  color: var(--muted);
}

.mini-card i {
  color: var(--accent);
  font-size: 1.1rem;
}

.scroll-hint {
  display: grid;
  place-items: center;
  position: absolute;
  left: 50%;
  bottom: 60px;
  transform: translateX(-50%);
  width: 34px;
  height: 56px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  backdrop-filter: var(--glass-blur);
}

.scroll-hint span {
  width: 4px;
  height: 10px;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  animation: scrollDown 1.5s infinite;
}

@keyframes scrollDown {
  0% { transform: translateY(-10px); opacity: 0; }
  20% { opacity: 1; }
  100% { transform: translateY(14px); opacity: 0; }
}

/* SECTION HEAD */
.section-head {
  text-align: center;
  margin-bottom: 42px;
}

.section-kicker {
  display: inline-block;
  padding: 8px 14px;
  margin-bottom: 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.section-head h2 {
  font-size: clamp(2rem, 5vw, 3.8rem);
  line-height: 1.05;
  letter-spacing: -0.05em;
  margin-bottom: 14px;
}

.section-subtitle {
  max-width: 760px;
  margin: 0 auto;
  color: var(--muted);
  font-size: 1.05rem;
}

/* CARDS */
.about-grid,
.tech-grid,
.projects-grid,
.contact-grid {
  display: grid;
  gap: 18px;
}

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

.info-card,
.tech-card,
.project-card,
.education-card,
.contact-card,
.cta-box,
.timeline-card {
  border-radius: 28px;
  border: 1px solid var(--border);
  background: var(--surface);
  backdrop-filter: var(--glass-blur);
  box-shadow: var(--shadow);
}

.info-card {
  padding: 26px;
  min-height: 230px;
}

.project-links {
  display: flex;

  gap: 5px;
  margin-top: 16px;
}

/* BUTTON */
.project-links a {
  padding: 8px 14px;
  font-size: 0.85rem;
  font-weight: 600;

  border-radius: 999px;
  text-decoration: none;

  color: #06111a;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));

  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: 0 8px 20px rgba(115,224,255,0.25);

  transition: all 0.25s ease;
}

/* HOVER */
.project-links a:hover {
  transform: translateY(-2px) scale(1.05);
  background: linear-gradient(135deg, var(--accent-2), var(--accent-3));
  box-shadow: 0 12px 28px rgba(115,224,255,0.35);
}

.info-icon {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  background: linear-gradient(135deg, rgba(115,224,255,0.18), rgba(139,125,255,0.18));
  color: var(--accent);
  font-size: 1.2rem;
}

.info-card h3,
.tech-card h3,
.project-body h3,
.education-card h3,
.contact-card h3,
.timeline-card h3 {
  font-size: 1.35rem;
  margin-bottom: 12px;
  letter-spacing: -0.03em;
}

.info-card p,
.tech-card p,
.project-body p,
.contact-card p,
.timeline-card p,
.education-card p {
  color: var(--muted);
}

.tech-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.tech-card {
  padding: 24px;
  min-height: 250px;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.tech-card:hover,
.project-card:hover,
.info-card:hover,
.contact-card:hover,
.timeline-card:hover {
  transform: translateY(-6px);
  border-color: rgba(115,224,255,0.36);
}

.tech-top {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.tech-icon {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  font-size: 1.1rem;
  background: linear-gradient(135deg, rgba(115,224,255,0.16), rgba(139,125,255,0.16));
  color: var(--accent);
}

.tech-tags,
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.tech-tags span,
.project-tags span {
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--muted);
}

/* TIMELINE */
.timeline {
  position: relative;
  display: grid;
  gap: 22px;
  max-width: 920px;
  margin: 0 auto;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 24px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), rgba(115,224,255,0.08));
}

.timeline-item {
  position: relative;
  padding-left: 58px;
}

.timeline-dot {
  position: absolute;
  left: 15px;
  top: 30px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 0 7px rgba(115,224,255,0.12);
}

.timeline-card {
  padding: 26px;
}

.timeline-date {
  color: var(--accent);
  font-weight: 800;
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}

.timeline-org {
  margin-bottom: 14px;
  color: var(--muted);
}

.timeline-card ul {
  margin-left: 18px;
  color: var(--muted);
}

.timeline-card li + li {
  margin-top: 8px;
}

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

.project-card {
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.project-visual {
  min-height: 220px;
  display: grid;
  place-items: center;
  font-size: 4rem;
  color: rgba(255,255,255,0.9);
  position: relative;
}

.project-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(0,0,0,0.28));
}

.project-visual i {
  position: relative;
  z-index: 1;
  text-shadow: 0 14px 40px rgba(0,0,0,0.35);
}

.project-1 {
  background: linear-gradient(135deg, #1e3a8a, #166534);
}

.project-2 {
  background: linear-gradient(135deg, #4c1d95, #9d174d);
}

.project-3 {
  background: linear-gradient(135deg, #1e40af, #0f172a);
}

.project-4 {
  background: linear-gradient(135deg, #3f6212, #78350f);
}

.project-5 {
  background: linear-gradient(135deg, #111827, #475569);
}

.project-6 {
  background: linear-gradient(135deg, #991b1b, #0f172a);
}

.project-7 {
  background: linear-gradient(135deg, #0d5c75, #0f172a);
}

.project-8 {
  background: linear-gradient(
      135deg,
      #ff6b00 0%,
      #ff8c00 40%,
      #1a1a1a 100%
  );
}

.project-body {
  padding: 24px;
}

/* EDUCATION */
.education-card {
  max-width: 780px;
  margin: 0 auto;
  padding: 34px;
  text-align: center;
  margin-top: 30px;
}

.edu-school {
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 10px;
}

.edu-meta {
  color: var(--muted);
}

/* CONTACT */
.contact-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 26px;
}

.contact-card {
  padding: 28px 20px;
  text-align: center;
}

.contact-card i {
  font-size: 2rem;
  margin-bottom: 14px;
  color: var(--accent);
}

.contact-card a,
.contact-card p {
  color: var(--muted);
}

.cta-box {
  max-width: 760px;
  margin: 0 auto;
  padding: 28px;
  text-align: center;
}

.cta-box p {
  color: var(--muted);
  margin-bottom: 18px;
}

/* REVEAL ANIMATION */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.show {
  opacity: 1;
  transform: translateY(0);
}

/* ACTIVE SECTION / subtle motion */
.section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(115,224,255,0.06), transparent 46%);
  pointer-events: none;
  opacity: 0.55;
}

/* LIGHT MODE */

/* =========================
   LIGHT THEME — PREMIUM BASE
========================= */
html[data-theme="light"] {
  --bg: #f6f8fc;
  --surface: rgba(255, 255, 255, 0.72);
  --text: #0b1220;
  --muted: rgba(11, 18, 32, 0.65);
  --border: rgba(15, 23, 42, 0.08);
}

/* =========================
   PORTRAIT OVERLAY (SOFT GLASS DEPTH)
========================= */
html[data-theme="light"] .portrait-overlay {
  background:
    radial-gradient(circle at 20% 20%, rgba(59,130,246,0.10), transparent 45%),
    radial-gradient(circle at 80% 30%, rgba(147,197,253,0.12), transparent 50%),
    linear-gradient(
      135deg,
      rgba(245,247,251,0.72),
      rgba(255,255,255,0.35),
      rgba(245,247,251,0.68)
    );

  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);

  border: 1px solid rgba(255,255,255,0.5);

  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.6),
    0 20px 60px rgba(15, 23, 42, 0.08);
}

/* =========================
   FLOATING CHIPS (GLASS + DEPTH)
========================= */
html[data-theme="light"] .floating-chip {
  color: #0b1220;

  background: rgba(255, 255, 255, 0.65);
  backdrop-filter: blur(14px) saturate(140%);

  border: 1px solid rgba(15, 23, 42, 0.06);

  box-shadow:
    0 8px 20px rgba(15, 23, 42, 0.06),
    inset 0 1px 0 rgba(255,255,255,0.7);

  transition: all 0.3s ease;
}

/* hover micro-interaction */
html[data-theme="light"] .floating-chip:hover {
  transform: translateY(-2px);
  box-shadow:
    0 12px 28px rgba(15, 23, 42, 0.10),
    inset 0 1px 0 rgba(255,255,255,0.8);
}

/* =========================
   BRAND DOT (SOFT GLOW)
========================= */
html[data-theme="light"] .brand-dot {
  box-shadow:
    0 0 0 6px rgba(59,130,246,0.08),
    0 0 25px rgba(59,130,246,0.15);
}

/* =========================
   NAVBAR LIGHT MODE (VERY IMPORTANT POLISH)
========================= */
html[data-theme="light"] .nav {
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(15, 23, 42, 0.08);

  backdrop-filter: blur(18px) saturate(140%);

  box-shadow:
    0 10px 30px rgba(15, 23, 42, 0.06);
}

/* =========================
   LINKS (CLEAN TYPOGRAPHY)
========================= */
html[data-theme="light"] .nav-links a {
  color: #0b1220;
}

html[data-theme="light"] .nav-links a:hover {
  background: rgba(59,130,246,0.08);
}

/* =========================
   BUTTON POLISH (LIGHT MODE)
========================= */
html[data-theme="light"] .btn {
  border: 1px solid rgba(15, 23, 42, 0.08);
}

html[data-theme="light"] .btn-primary {
  box-shadow: 0 10px 25px rgba(59,130,246,0.25);
}

html[data-theme="light"] .btn-primary:hover {
  box-shadow: 0 14px 35px rgba(59,130,246,0.35);
}


/* =========================
   FIX: PORTRAIT IMAGE BLUR ISSUE
========================= */

.portrait img {
  filter: none !important;
  transform: none !important;
  image-rendering: auto;
  -webkit-backdrop-filter: none !important;
  backdrop-filter: none !important;
}

/* overlay only subtle — NO image blur */
.portrait-overlay {
  backdrop-filter: blur(8px) saturate(120%) !important; /* reduce blur */
  -webkit-backdrop-filter: blur(8px) saturate(120%) !important;

  background:
    linear-gradient(
      135deg,
      rgba(255,255,255,0.35),
      rgba(255,255,255,0.10)
    );
}

/* ensure image is always on top */
.portrait {
  position: relative;
  z-index: 2;
}

.portrait img {
  position: relative;
  z-index: 3;
}


/* SOCIAL GLASS BAR */
.social-glass {
  margin-top: 18px;

  display: flex;
  justify-content: center;
  gap: 14px;

  padding: 12px 18px;
  border-radius: 999px;

  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(16px);

  border: 1px solid var(--border);

  width: fit-content;
  margin-left: auto;
  margin-right: auto;

  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}

.social-glass2 {
  margin-top: 18px;

  display: flex;
  justify-content: center;
  gap: 14px;

  padding: 12px 18px;
  border-radius: 999px;

  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(16px);

  border: 1px solid var(--border);

  width: fit-content;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 20px;

  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}

/* ICON BUTTON */
.social-glass a {
  width: 42px;
  height: 42px;

  display: flex;
  align-items: center;
  justify-content: center;

  border-radius: 50%;
  font-size: 1.1rem;

  color: var(--text);

  background: var(--surface);
  border: 1px solid var(--border);

  transition: all 0.3s ease;
}

.social-glass2 a {
  width: 42px;
  height: 42px;

  display: flex;
  align-items: center;
  justify-content: center;

  border-radius: 50%;
  font-size: 1.1rem;

  color: var(--text);

  background: var(--surface);
  border: 1px solid var(--border);

  transition: all 0.3s ease;
}

/* HOVER MAGIC */
.social-glass a:hover {
  transform: translateY(-4px) scale(1.1);
  border-color: var(--accent);

  color: #fff;

  background: linear-gradient(135deg, var(--accent), var(--accent-2));

}

.social-glass2 a:hover {
  transform: translateY(-4px) scale(1.1);
  border-color: var(--accent);

  color: #fff;

  background: linear-gradient(135deg, var(--accent), var(--accent-2));

}
/* RESPONSIVE */
@media (max-width: 1100px) {
  .hero-grid,
  .about-grid,
  .tech-grid,
  .projects-grid,
  .contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-grid {
    gap: 24px;
  }

  .portrait-shell {
    min-height: 560px;
  }

  .nav-links {
    display: none;
  }
}

@media (max-width: 768px) {
  .portrait-shell {
    height: 400px;
  }

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


/* =========================
   MOBILE NAVBAR (PREMIUM)
========================= */
@media (max-width: 720px) {

  /* ================= NAVBAR ================= */
  .nav {
    position: fixed;
    top: 14px;
    left: 50%;
    transform: translateX(-50%);

    width: calc(100% - 24px);

    display: flex;
    align-items: center;
    justify-content: space-between;

    padding: 12px 14px;

    background: rgba(10, 12, 20, 0.55); /* stronger glass */
    backdrop-filter: blur(18px);

    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 10px;

    z-index: 9999;
  }

  /* ================= BRAND (KEEP ALWAYS VISIBLE) ================= */
  .brand {
    display: block;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--text);
  }

  /* ================= ACTION BUTTONS ================= */
  .nav-actions {
    display: flex;
    align-items: center;
    gap: 8px;
  }

  /* keep Hire Me + Resume visible */
  .btn {
    padding: 10px 12px;
    font-size: 0.85rem;
    border-radius: 999px;
  }

  .btn-primary {
    display: inline-flex;
  }

  .btn-ghost {
    display: inline-flex;
  }

  /* ================= HAMBURGER ================= */
  .hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    margin-left: 6px;
  }

  .hamburger span {
    width: 22px;
    height: 2px;
    background: var(--text);
    transition: 0.3s ease;
  }

  /* ================= MOBILE MENU ================= */
  .nav-links {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%) scale(0.95);

    width: calc(100% - 30px);
    max-width: 420px;

    display: flex;
    flex-direction: column;
    gap: 14px;

    padding: 20px;

    /* stronger glass background */
    background: rgba(10, 12, 20, 0.75);
    backdrop-filter: blur(22px);

    border: 1px solid rgba(255,255,255,0.14);
    border-radius: 18px;

    opacity: 0;
    pointer-events: none;

    transition: all 0.3s ease;
    z-index: 9999;
  }

  /* ACTIVE MENU */
  .nav-links.active {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(-50%) scale(1);
  }

  /* MENU LINKS */
  .nav-links a {
    padding: 12px;
    border-radius: 12px;
    text-align: center;

    color: var(--text);
    font-size: 1.05rem;

    background: rgba(255,255,255,0.05);
    transition: 0.25s ease;
  }

  .nav-links a:hover {
    background: rgba(255,255,255,0.1);
    transform: translateY(-2px);
  }

  /* ================= OPTIONAL: HAMBURGER ANIMATION ================= */
  .hamburger.open span:nth-child(1) {
    transform: rotate(45deg) translateY(7px);
  }

  .hamburger.open span:nth-child(2) {
    opacity: 0;
  }

  .hamburger.open span:nth-child(3) {
    transform: rotate(-45deg) translateY(-7px);
  }
}

.portrait {
  opacity: 0;
  transform: scale(1.1);
  transition: all 1.2s ease;
}

.portrait.show {
  opacity: 1;
  transform: scale(1);
}

/* MINI GRID (LEFT HERO UNDER TEXT) */
.mini-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
  max-width: 520px;
  margin-bottom: 30px;
}

/* CARD DESIGN */
.mini-card {
  display: flex;
  align-items: center;
  gap: 12px;

  padding: 14px 16px;
  border-radius: 16px;

  background: var(--surface);
  border: 1px solid var(--border);
  backdrop-filter: var(--glass-blur);

  font-size: 0.95rem;
  color: var(--muted);

  transition: all 0.25s ease;
  
}

/* ICON */
.mini-card i {
  color: var(--accent);
  font-size: 1.1rem;
}

/* HOVER EFFECT */
.mini-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  color: var(--text);
  box-shadow: 0 12px 30px rgba(0,0,0,0.25);
}


.about-grid.compact {
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.info-card {
  padding: 20px;
  min-height: auto;
}

.info-card h3 {
  font-size: 1.1rem;
}

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


/* ================= CONTACT SECTION ================= */

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.contact-card {
  display: flex;
  flex-direction: column;
  gap: 10px;

  padding: 22px;
  border-radius: 18px;

  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);

  text-decoration: none;
  color: inherit;

  cursor: pointer;
  transition: all 0.25s ease;

  overflow: hidden; /* IMPORTANT FIX for mobile overflow */
}

.contact-card i {
  font-size: 1.4rem;
  opacity: 0.9;
}

.contact-card h3 {
  margin: 0;
  font-size: 1.1rem;
}

.contact-card p {
  margin: 0;
  opacity: 0.75;

  /* 🔥 FIX TEXT OVERFLOW ISSUE */
  word-break: break-word;
  overflow-wrap: anywhere;
  white-space: normal;
}

.contact-card:hover {
  transform: translateY(-6px);
  background: rgba(255, 255, 255, 0.06);
}

/* CTA BOX */
.cta-box {
  margin-top: 40px;
  padding: 26px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
}

/* ================= MOBILE FIX ================= */
@media (max-width: 720px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .contact-card {
    padding: 18px;
  }

  .contact-value {
    font-size: 0.95rem;

    /* 🔥 FINAL OVERFLOW FIX */
    word-break: break-word;
    overflow-wrap: anywhere;
  }
}

/* ==========================================================================
   PREMIUM MOBILE & TABLET RESPONSIVE FIXES (PLACE AT THE VERY END)
   ========================================================================== */

/* --- TABLET & SMALL LAPTOP LAYOUTS (Max 1100px) --- */
@media (max-width: 1100px) {
  .hero-grid, 
  .about-grid, 
  .tech-grid, 
  .projects-grid {
      grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
      gap: 20px;
  }
  .about-grid.compact {
      grid-template-columns: repeat(2, 1fr) !important;
  }
  .portrait-shell {
      height: 520px;
      max-height: 70vh;
  }
  .nav-links {
      display: none !important; /* Hide desktop menu */
  }
}

/* --- MOBILE LAYOUTS (Max 720px) --- */
@media (max-width: 720px) {
  /* --- SECTION UNIVERSAL FIXES --- */
  .section {
      padding: 90px 0 60px 0;
      min-height: auto; /* Disables strict snap overflow on short screens */
      scroll-snap-align: none;
  }
  html {
      scroll-snap-type: none; /* Disables scroll snap on mobile for fluid scrolling */
  }

  /* --- PREMIUM MOBILE NAVIGATION --- */
  .nav {
      position: fixed;
      top: 12px;
      left: 50%;
      transform: translateX(-50%);
      width: calc(100% - 24px);
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 10px 14px;
      background: rgba(13, 19, 36, 0.7) !important; /* Dark Glass Overwrite */
      backdrop-filter: blur(20px) saturate(160%);
      -webkit-backdrop-filter: blur(20px) saturate(160%);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 14px;
      z-index: 99999;
  }
  
  html[data-theme="light"] .nav {
      background: rgba(255, 255, 255, 0.7) !important; /* Light Glass Overwrite */
      border: 1px solid rgba(15, 23, 42, 0.08);
  }

  .brand {
      font-size: 1.05rem;
  }
  
  .nav-actions {
      display: flex;
      align-items: center;
      gap: 8px;
  }

  .nav-actions .btn {
      padding: 8px 14px;
      font-size: 0.8rem;
      letter-spacing: -0.01em;
  }

  /* --- MOBILE DROPDOWN LINKS --- */
  .nav-links {
      position: fixed;
      top: 72px;
      left: 50%;
      transform: translateX(-50%) scale(0.95);
      width: calc(100% - 24px);
      max-width: none;
      display: flex !important;
      flex-direction: column;
      gap: 10px;
      padding: 16px;
      background: rgba(13, 19, 36, 0.9) !important;
      backdrop-filter: blur(24px);
      -webkit-backdrop-filter: blur(24px);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: 16px;
      box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
      opacity: 0;
      pointer-events: none;
      transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.25s ease;
      z-index: 99998;
  }

  html[data-theme="light"] .nav-links {
      background: rgba(255, 255, 255, 0.92) !important;
      border: 1px solid rgba(15, 23, 42, 0.08);
      box-shadow: 0 20px 50px rgba(15, 23, 42, 0.1);
  }

  .nav-links.active {
      opacity: 1;
      pointer-events: auto;
      transform: translateX(-50%) scale(1);
  }

  .nav-links a {
      padding: 12px;
      border-radius: 10px;
      text-align: center;
      color: var(--text) !important;
      font-size: 1rem;
      font-weight: 600;
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(255, 255, 255, 0.05);
  }

  html[data-theme="light"] .nav-links a {
      background: rgba(15, 23, 42, 0.03);
      border: 1px solid rgba(15, 23, 42, 0.04);
  }

  .nav-links a::after {
      display: none !important; /* Disables underline effect for mobile UI */
  }

  /* --- HERO & GRIDS AUTO-STACK --- */
  .hero {
      padding-top: 100px;
  }

  .hero-grid {
      grid-template-columns: 1fr !important;
      gap: 36px;
  }

  .hero h1 {
      font-size: clamp(2.5rem, 10vw, 3.8rem);
      text-align: left;
  }

  .hero-text {
      font-size: 1rem;
  }

  .hero-stats {
      grid-template-columns: 1fr !important; /* Stack stats or leave 2 col if data is small */
      gap: 12px;
  }
  
  .mini-grid {
      grid-template-columns: 1fr !important;
      max-width: 100%;
      margin-bottom: 24px;
  }

  .portrait-shell {
      height: 380px;
      border-radius: 20px;
  }

  /* --- CHIPS SCALE DOWN FOR SMALL SCREENS --- */
  .floating-chip {
      font-size: 0.8rem;
      padding: 8px 12px;
  }

  /* --- GRID RE-FACTOR FOR MOBILE ALL SECTIONS --- */
  .about-grid, 
  .about-grid.compact,
  .tech-grid, 
  .projects-grid, 
  .contact-grid {
      grid-template-columns: 1fr !important;
      gap: 16px;
  }

  /* --- CRITICAL TEXT & LAYOUT OVERFLOW FIXES --- */
  .info-card, .tech-card, .project-card, .timeline-card, .contact-card {
      padding: 20px !important;
  }

  .contact-card p, 
  .contact-card a,
  .contact-value {
      font-size: 0.95rem !important;
      word-break: break-word !important;
      overflow-wrap: anywhere !important;
      white-space: normal !important;
  }

  .timeline {
      gap: 16px;
  }
  .timeline::before {
      left: 16px;
  }
  .timeline-item {
      padding-left: 42px;
  }
  .timeline-dot {
      left: 7px;
      top: 26px;
      width: 16px;
      height: 16px;
  }

  .scroll-hint {
      display: none !important; /* Hides scroll mouse hint on mobile touch devices */
  }
}

/* ================= NAVBAR RESPONSIVE PATCH ================= */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  transform: none;

  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;

  padding: 10px 14px;

  background: rgba(13, 19, 36, 0.7) !important;
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);

  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  border-left: none;
  border-right: none;
  border-top: none;

  border-radius: 0;

  z-index: 99999;
  gap: 8px;
}

/* --- BRAND/NAME TEXT OPTIMIZATION --- */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.95rem !important; /* লেখা একটু ছোট করা হলো যেন মোবাইল স্ক্রিনে ধরে */
  font-weight: 800;
  letter-spacing: -0.01em;
  white-space: nowrap; /* নাম যেন ভেঙে দুই লাইন না হয়ে যায় */
}

.brand-dot {
  width: 8px !important;
  height: 8px !important;
}

/* --- RIGHT SIDE ACTION BUTTONS --- */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px; /* টগল এবং হ্যামবার্গারের মাঝে স্ট্যান্ডার্ড গ্যাপ */
}

/* ডার্ক/লাইট মোড টগল বাটনটি মোবাইলে সুন্দর দেখানোর জন্য */
.nav-actions .icon-btn {
  width: 36px !important;
  height: 36px !important;
  min-width: 36px;
  border-radius: 50%;
}

/* 🔥 HIRE ME এবং RESUME বাটন মোবাইলে সম্পূর্ণ হাইড */
.nav-actions .btn {
  display: none !important;
}

/* 🍔 HAMBURGER DESIGN (শুধু মোবাইলে দেখাবে) */
.hamburger {
  display: flex !important;
  flex-direction: column;
  justify-content: space-between;
  width: 22px;
  height: 16px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
}

.hamburger span {
  width: 100%;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.2s ease;
}

/* Hamburger active/open state animation */
.hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.open span:nth-child(2) {
  opacity: 0;
}
.hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ================= NAVBAR RESPONSIVE PATCH (ONLY INSIDE MOBILE MEDIA QUERY) ================= */
@media (max-width: 720px) {
  .nav {
    position: fixed;
    top: 0 !important;
    left: 0 !important;
    transform: none !important;

    width: 100% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;

    padding: 10px 14px !important;

    background: rgba(13, 19, 36, 0.7) !important;
    backdrop-filter: blur(20px) saturate(160%);
    -webkit-backdrop-filter: blur(20px) saturate(160%);

    border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important;
    border-left: none !important;
    border-right: none !important;
    border-top: none !important;

    border-radius: 0 !important;

    z-index: 99999 !important;
    gap: 8px;
  }

  /* --- BRAND/NAME TEXT OPTIMIZATION --- */
  .brand {
    display: inline-flex !important;
    align-items: center !important;
    gap: 6px !important;
    font-size: 0.95rem !important; /* লেখা একটু ছোট করা হলো যেন মোবাইল স্ক্রিনে ধরে */
    font-weight: 800 !important;
    letter-spacing: -0.01em !important;
    white-space: nowrap !important; /* নাম যেন ভেঙে দুই লাইন না হয়ে যায় */
  }

  .brand-dot {
    width: 8px !important;
    height: 8px !important;
  }

  /* --- RIGHT SIDE ACTION BUTTONS --- */
  .nav-actions {
    display: flex !important;
    align-items: center !important;
    gap: 12px !important; /* টগল এবং হ্যামবার্গারের মাঝে স্ট্যান্ডার্ড গ্যাপ */
  }

  /* ডার্ক/লাইট মোড টগল বাটনটি মোবাইলে সুন্দর দেখানোর জন্য */
  .nav-actions .icon-btn {
    width: 36px !important;
    height: 36px !important;
    min-width: 36px !important;
    border-radius: 50% !important;
  }

  /* 🔥 মোবাইলে HIRE ME এবং RESUME বাটন সম্পূর্ণ হাইড */
  .nav-actions .btn {
    display: none !important;
  }

  /* 🍔 HAMBURGER DESIGN (শুধু মোবাইলে দেখাবে) */
  .hamburger {
    display: flex !important;
    flex-direction: column !important;
    justify-content: space-between !important;
    width: 22px !important;
    height: 16px !important;
    background: transparent !important;
    border: none !important;
    cursor: pointer !important;
    padding: 0 !important;
  }

  .hamburger span {
    width: 100% !important;
    height: 2px !important;
    background: var(--text) !important;
    border-radius: 2px !important;
    transition: transform 0.3s ease, opacity 0.2s ease !important;
  }

  /* Hamburger active/open state animation */
  .hamburger.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg) !important;
  }
  .hamburger.open span:nth-child(2) {
    opacity: 0 !important;
  }
  .hamburger.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg) !important;
  }
}

/* ================= DESKTOP GLOBAL RESET (OUTSIDE MEDIA QUERY) ================= */
/* ডেস্কটপে যেন ভুল করেও হ্যামবার্গার না আসে, তাই গ্লোবাল সেকশনে এটি হাইড থাকবে */
@media (min-width: 721px) {
  .hamburger {
    display: none !important;
  }
  .nav-actions .btn {
    display: inline-flex !important; /* ডেস্কটপে Hire Me & Resume আবার ফিরে আসবে */
  }
}

/* ========================= FIXED LIGHT MODE NAVBAR ========================= */
html[data-theme="light"] .nav {
  background: rgba(255, 255, 255, 0.45) !important; /* হালকা গ্লাস ব্যাকগ্রাউন্ড */
  border: 1px solid rgba(15, 23, 42, 0.08) !important; /* হালকা বর্ডার */
  box-shadow: 0 10px 40px rgba(15, 23, 42, 0.04) !important; /* হালকা শ্যাডো */
}

/* লাইট মোডে ব্র্যান্ড নাম এবং নেভ লিঙ্কের টেক্সট কালার ফিক্স */
html[data-theme="light"] .brand,
html[data-theme="light"] .nav-links a {
  color: #0f172a !important; /* সলিড ডার্ক কালার যাতে পরিষ্কার দেখা যায় */
}

/* লাইট মোডে মিউটেড লিঙ্কগুলোর টেক্সট কালার (যেমন ইনঅ্যাক্টিভ লিঙ্ক) */
html[data-theme="light"] .nav-links a:not(.active) {
  color: rgba(15, 23, 42, 0.65) !important;
}

/* লাইট মোডে লিঙ্ক হোভার এবং অ্যাক্টিভ স্টেট */
html[data-theme="light"] .nav-links a:hover,
html[data-theme="light"] .nav-links a.active {
  color: #000000 !important;
}

/* লাইট মোডে টগল বাটন আইকনের কালার ফিক্স */
html[data-theme="light"] .nav-actions .icon-btn {
  background: rgba(15, 23, 42, 0.04) !important;
  color: #0f172a !important;
  border: 1px solid rgba(15, 23, 42, 0.08) !important;
}

/* লাইট মোডে ঘোস্ট বাটনের (যেমন Resume বাটন) টেক্সট ও বর্ডার ফিক্স */
html[data-theme="light"] .btn-ghost {
  color: #0f172a !important;
  background: rgba(15, 23, 42, 0.02) !important;
  border: 1px solid rgba(15, 23, 42, 0.1) !important;
}