/* ================================================
   PRAVIN P R — PORTFOLIO STYLESHEET
   Color Palette:
   Dark BG:       #0a0f1e  (deep navy)
   Surface:       #111827  (navbar / footer)
   Accent Blue:   #2563eb
   Accent Cyan:   #06b6d4
   Light BG:      #f0f4ff  (page background)
   White Card:    #ffffff
   Dark Text:     #0f172a  (on white sections)
   Muted Text:    #475569  (on white sections)
   Bright Text:   #f1f5f9  (on dark sections)
   Muted Bright:  #94a3b8  (on dark sections)
================================================ */

@import url("https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:opsz,wght@9..40,300;9..40,400;9..40,500;9..40,600&display=swap");

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

:root {
  --dk: #0a0f1e;
  --surface: #111827;
  --surf2: #1e293b;
  --accent: #2563eb;
  --accentH: #1d4ed8;
  --cyan: #06b6d4;
  --green: #10b981;
  --red: #ef4444;
  --purple: #8b5cf6;
  --lbg: #f6fff0;
  --lcard: #ffffff;
  --ltxt: #0f172a;
  --lmuted: #475569;
  --btxt: #f1f5f9;
  --bmuted: #94a3b8;
  --bdark: rgba(255, 255, 255, 0.07);
  --blight: #dde3f0;
  --rad-s: 8px;
  --rad-m: 12px;
  --rad-l: 18px;
  --tr: all 0.28s ease;
  --sh-s: 0 2px 8px rgba(0, 0, 0, 0.07);
  --sh-m: 0 8px 24px rgba(0, 0, 0, 0.11);
  --sh-l: 0 20px 48px rgba(0, 0, 0, 0.17);
}

html {
  scroll-behavior: smooth;
}
body {
  font-family: "DM Sans", sans-serif;
  background: var(--lbg);
  color: var(--ltxt);
  line-height: 1.7;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: "Times New Roman", Times, serif;
  line-height: 1.25;
}
a {
  text-decoration: none;
  transition: var(--tr);
}
img {
  max-width: 100%;
  display: block;
}

::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--surface);
}
::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 3px;
}

/* ══════════════════════════════
   NAVBAR  — dark surface, bright text
══════════════════════════════ */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--surface); /* #111827 — clearly dark */
  border-bottom: 1px solid var(--bdark);
  transition: var(--tr);
}
#navbar.scrolled {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.45);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1180px;
  margin: 0 auto;
  padding: 15px 24px;
}
.nav-brand {
  font-family: "Syne", sans-serif;
  font-weight: 800;
  font-size: 1.45rem;
  color: var(--btxt); /* #f1f5f9 — bright white */
  letter-spacing: -0.5px;
}
.nav-brand span {
  color: #60a5fa;
} /* light blue accent */

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 25px;
  height: 2.5px;
  background: var(--btxt); /* clearly visible white lines */
  border-radius: 2px;
  transition: var(--tr);
}

/* Nav links */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style-type: none;
}
.nav-lnk {
  color: #cbd5e1 !important; /* #cbd5e1 — light gray, very readable on dark */
  font-weight: 500;
  font-size: 0.88rem;
  padding: 7px 13px;
  border-radius: var(--rad-s);
  letter-spacing: 0.3px;
  transition: var(--tr);
}
.nav-lnk:hover,
.nav-lnk.active {
  color: #fff !important;
  background: rgba(37, 99, 235, 0.22);
}
.nav-lnk.active {
  color: #93c5fd !important;
}

@media (max-width: 880px) {
  .nav-toggle {
    display: flex;
  }
  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--surface); /* same dark bg, no bleed */
    border-top: 1px solid var(--bdark);
    flex-direction: column;
    align-items: stretch;
    padding: 10px 16px 16px;
    display: none;
  }
  .nav-menu.open {
    display: flex;
  }
  .nav-lnk {
    padding: 11px 14px;
    font-size: 0.93rem;
    color: #e2e8f0 !important;
  }
}

/* ══════════════════════════════
   HERO  — dark gradient, white text
══════════════════════════════ */
.hero {
  background: linear-gradient(160deg, #060c1a 0%, #0e1e3e 55%, #0a2060 100%);
  padding: 140px 0 104px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero-glow {
  position: absolute;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.17), transparent 65%);
  top: -160px;
  left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
}
.hero-wave {
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 70px;
  background: var(--lbg);
  clip-path: ellipse(60% 100% at 50% 100%);
}
.hero-container {
  position: relative;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.profile-img {
  width: 155px;
  height: 155px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid rgba(37, 99, 235, 0.7);
  box-shadow:
    0 0 0 8px rgba(37, 99, 235, 0.12),
    0 20px 50px rgba(0, 0, 0, 0.5);
  margin: 0 auto 24px;
}
.hero h1 {
  font-size: 3.3rem;
  font-weight: 800;
  color: #f8fafc; /* near-white */
  letter-spacing: -1.5px;
  margin-bottom: 10px;
}
.hero h1 span {
  color: #60a5fa;
}
.hero-sub {
  font-size: 0.98rem;
  color: #94a3b8;
  margin-bottom: 18px;
}
.hero-tags {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.hero-tag {
  background: rgba(37, 99, 235, 0.18);
  border: 1px solid rgba(37, 99, 235, 0.4);
  color: #93c5fd;
  padding: 5px 16px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 500;
}
.hero-btns {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  padding: 12px 26px;
  border-radius: var(--rad-s);
  font-weight: 600;
  font-size: 0.9rem;
  border: 2px solid var(--accent);
  transition: var(--tr);
}
.btn-cta:hover {
  background: var(--accentH);
  border-color: var(--accentH);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.35);
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: #f1f5f9;
  padding: 12px 26px;
  border-radius: var(--rad-s);
  font-weight: 600;
  font-size: 0.9rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
  transition: var(--tr);
}
.btn-ghost:hover {
  border-color: rgba(255, 255, 255, 0.75);
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
}

/* ══════════════════════════════
   SECTION WRAPPERS
══════════════════════════════ */
.section {
  padding: 88px 0;
}
.section-white {
  background: #fff;
}
.section-lbg {
  background: var(--lbg);
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.sec-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 6px;
}
.sec-title {
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--ltxt); /* #0f172a — dark on light */
  letter-spacing: -0.5px;
  margin-bottom: 48px;
  position: relative;
  padding-bottom: 16px;
}
.sec-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 44px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
}
.sec-title.center {
  text-align: center;
}
.sec-title.center::after {
  left: 50%;
  transform: translateX(-50%);
}

/* ══════════════════════════════
   ABOUT
══════════════════════════════ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 56px;
  align-items: start;
}
.about-text {
  font-size: 1rem;
  color: var(--lmuted);
  line-height: 1.9;
  margin-bottom: 22px;
}
.interests-label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--ltxt);
  margin-bottom: 12px;
  font-family: "Syne", sans-serif;
}
.int-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}
.int-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(37, 99, 235, 0.07);
  border: 1px solid rgba(37, 99, 235, 0.22);
  color: var(--accent);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.84rem;
  font-weight: 500;
  transition: var(--tr);
}
.int-tag:hover {
  background: rgba(37, 99, 235, 0.14);
}

.btn-dl {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--ltxt);
  color: #fff;
  padding: 12px 24px;
  border-radius: var(--rad-s);
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--tr);
}
.btn-dl:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--sh-m);
}

/* Stats card — dark */
.stats-card {
  background: linear-gradient(145deg, #060c1a, #0f1f40);
  border-radius: var(--rad-l);
  padding: 30px;
  border: 1px solid rgba(37, 99, 235, 0.2);
}
.stats-head {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: #60a5fa;
  margin-bottom: 18px;
  font-family: "Syne", sans-serif;
}
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.stat-box {
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--rad-m);
  padding: 18px;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.07);
}
.stat-num {
  font-family: "Syne", sans-serif;
  font-size: 1.9rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 5px;
}
.stat-lbl {
  font-size: 0.76rem;
  color: rgba(255, 255, 255, 0.48);
}

/* ══════════════════════════════
   SKILLS
══════════════════════════════ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(255px, 1fr));
  gap: 20px;
  margin-bottom: 58px;
}
.skill-card {
  background: var(--lcard);
  border-radius: var(--rad-l);
  padding: 24px;
  border: 1px solid var(--blight);
  position: relative;
  overflow: hidden;
  transition: var(--tr);
}
.skill-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
}
.sk-blue::before {
  background: var(--accent);
}
.sk-red::before {
  background: var(--red);
}
.sk-purple::before {
  background: var(--purple);
}
.sk-green::before {
  background: var(--green);
}
.skill-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--sh-l);
  border-color: transparent;
}

.sk-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}
.sk-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--rad-s);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
}
.sk-blue .sk-icon {
  background: rgba(37, 99, 235, 0.1);
  color: var(--accent);
}
.sk-red .sk-icon {
  background: rgba(239, 68, 68, 0.1);
  color: var(--red);
}
.sk-purple .sk-icon {
  background: rgba(139, 92, 246, 0.1);
  color: var(--purple);
}
.sk-green .sk-icon {
  background: rgba(16, 185, 129, 0.1);
  color: var(--green);
}
.sk-title {
  font-family: "Syne", sans-serif;
  font-weight: 700;
  font-size: 0.93rem;
  color: var(--ltxt);
}
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}
.chip {
  background: var(--lbg);
  border: 1px solid var(--blight);
  padding: 5px 13px;
  border-radius: 6px;
  font-size: 0.81rem;
  font-weight: 500;
  color: var(--lmuted);
  transition: var(--tr);
}
.chip:hover {
  background: rgba(37, 99, 235, 0.07);
  border-color: rgba(37, 99, 235, 0.28);
  color: var(--accent);
}

/* Certifications */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 15px;
}
.cert-card {
  background: var(--lcard);
  border-radius: var(--rad-m);
  padding: 19px 21px;
  border: 1px solid var(--blight);
  border-left: 4px solid var(--accent);
  transition: var(--tr);
}
.cert-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--sh-m);
}
.cert-card h5 {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--ltxt);
  margin-bottom: 4px;
  line-height: 1.4;
}
.cert-issuer {
  font-size: 0.81rem;
  color: var(--lmuted);
}
.cert-date {
  display: inline-block;
  margin-top: 8px;
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--accent);
  background: rgba(37, 99, 235, 0.08);
  padding: 2px 10px;
  border-radius: 10px;
}

/* ══════════════════════════════
   EDUCATION
══════════════════════════════ */
.edu-timeline {
  position: relative;
  padding-left: 38px;
}
.edu-timeline::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), rgba(37, 99, 235, 0.07));
}
.edu-item {
  position: relative;
  margin-bottom: 22px;
  background: var(--lcard);
  border-radius: var(--rad-m);
  padding: 21px 22px;
  border: 1px solid var(--blight);
  transition: var(--tr);
}
.edu-item:hover {
  box-shadow: var(--sh-m);
  border-color: rgba(37, 99, 235, 0.22);
}
.edu-item::before {
  content: "";
  position: absolute;
  left: -33px;
  top: 21px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--lbg);
  box-shadow: 0 0 0 2px var(--accent);
}
.edu-degree {
  font-family: "Syne", sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--ltxt);
  margin-bottom: 3px;
}
.edu-school {
  font-size: 0.87rem;
  color: var(--lmuted);
}
.edu-year {
  display: inline-block;
  margin-top: 9px;
  background: rgba(37, 99, 235, 0.08);
  color: var(--accent);
  padding: 3px 12px;
  border-radius: 12px;
  font-size: 0.77rem;
  font-weight: 600;
}

/* ══════════════════════════════
   EXPERIENCE
══════════════════════════════ */
.exp-card {
  background: var(--lcard);
  border-radius: var(--rad-l);
  padding: 26px 30px;
  border: 1px solid var(--blight);
  margin-bottom: 20px;
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 20px;
  align-items: start;
  transition: var(--tr);
}
.exp-card:hover {
  box-shadow: var(--sh-m);
  border-color: rgba(37, 99, 235, 0.2);
}
.exp-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--rad-m);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}
.ei-blue {
  background: rgba(37, 99, 235, 0.1);
  color: var(--accent);
}
.ei-purple {
  background: rgba(139, 92, 246, 0.1);
  color: var(--purple);
}

.exp-role {
  font-family: "Syne", sans-serif;
  font-size: 1.03rem;
  font-weight: 700;
  color: var(--ltxt);
  margin-bottom: 2px;
}
.exp-company {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 2px;
}
.ec-blue {
  color: var(--accent);
}
.ec-purple {
  color: var(--purple);
}

.exp-badge {
  display: inline-block;
  padding: 3px 11px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-left: 6px;
  vertical-align: middle;
}
.eb-green {
  background: rgba(16, 185, 129, 0.1);
  color: #059669;
}
.eb-orange {
  background: rgba(251, 146, 60, 0.13);
  color: #c2570e;
}

.exp-date {
  font-size: 0.81rem;
  color: var(--lmuted);
  margin-bottom: 12px;
}
.exp-desc {
  font-size: 0.87rem;
  color: var(--lmuted);
  line-height: 1.78;
  margin-bottom: 12px;
}

.tech-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}
.tech-chip {
  background: var(--lbg);
  border: 1px solid var(--blight);
  padding: 3px 11px;
  border-radius: 5px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--lmuted);
}

/* ══════════════════════════════
   PROJECTS
══════════════════════════════ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}
.project-card {
  background: var(--lcard);
  border-radius: var(--rad-l);
  overflow: hidden;
  border: 1px solid var(--blight);
  transition: var(--tr);
  display: flex;
  flex-direction: column;
}
.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--sh-l);
  border-color: rgba(37, 99, 235, 0.2);
}
.proj-img {
  width: 100%;
  height: 198px;
  object-fit: cover;
  background: #dde3f0;
}
.proj-body {
  padding: 21px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.proj-domain {
  font-size: 0.71rem;
  font-weight: 700;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 7px;
}
.proj-title {
  font-family: "Syne", sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--ltxt);
  margin-bottom: 9px;
  line-height: 1.35;
}
.proj-desc {
  font-size: 0.86rem;
  color: var(--lmuted);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 14px;
}
.btn-view {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--ltxt);
  color: #fff;
  padding: 9px 19px;
  border-radius: var(--rad-s);
  font-size: 0.84rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--tr);
  align-self: flex-start;
}
.btn-view:hover {
  background: var(--accent);
}

/* ══════════════════════════════
   CONTACT
══════════════════════════════ */
.contact-card {
  background: var(--lcard);
  border-radius: var(--rad-l);
  padding: 36px 40px;
  border: 1px solid var(--blight);
  max-width: 560px;
  margin: 0 auto;
  box-shadow: var(--sh-s);
}
.c-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--blight);
}
.c-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.c-icon {
  width: 44px;
  height: 44px;
  background: rgba(37, 99, 235, 0.08);
  border-radius: var(--rad-s);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.05rem;
  flex-shrink: 0;
  transition: var(--tr);
}
.c-item:hover .c-icon {
  background: var(--accent);
  color: #fff;
}
.c-lbl {
  font-size: 0.71rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--lmuted);
  margin-bottom: 2px;
}
.c-val {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ltxt);
}
.c-val a {
  color: var(--ltxt);
}
.c-val a:hover {
  color: var(--accent);
}
.c-item:hover .c-val {
  color: var(--accent);
}
.c-item:hover .c-val a {
  color: var(--accent);
}

/* ══════════════════════════════
   MODAL (custom, no Bootstrap)
══════════════════════════════ */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.62);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 20px;
  backdrop-filter: blur(4px);
}
.modal-overlay.open {
  display: flex;
}
.modal-box {
  background: var(--lcard);
  border-radius: var(--rad-l);
  max-width: 660px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  animation: mIn 0.28s ease;
}
@keyframes mIn {
  from {
    opacity: 0;
    transform: scale(0.92) translateY(16px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
.m-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 19px 22px;
  border-bottom: 1px solid var(--blight);
}
.m-title {
  font-family: "Syne", sans-serif;
  font-size: 1.03rem;
  font-weight: 700;
  color: var(--ltxt);
}
.m-close {
  width: 32px;
  height: 32px;
  background: var(--lbg);
  border: none;
  border-radius: var(--rad-s);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--lmuted);
  transition: var(--tr);
}
.m-close:hover {
  background: var(--red);
  color: #fff;
}
.m-body {
  padding: 22px;
}
.m-img {
  width: 100%;
  max-height: 290px;
  object-fit: cover;
  border-radius: var(--rad-m);
  margin-bottom: 16px;
}
.m-badge {
  display: inline-block;
  background: rgba(37, 99, 235, 0.08);
  color: var(--accent);
  padding: 4px 13px;
  border-radius: 12px;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.4px;
  margin-bottom: 13px;
}
.m-desc {
  font-size: 0.89rem;
  color: var(--lmuted);
  line-height: 1.8;
  margin-bottom: 15px;
}
.m-subhead {
  font-family: "Syne", sans-serif;
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--ltxt);
  margin-bottom: 8px;
  margin-top: 14px;
}
.m-list {
  padding-left: 18px;
  list-style: disc;
  color: var(--lmuted);
  font-size: 0.87rem;
  line-height: 1.85;
  margin-bottom: 15px;
}
.m-footer {
  padding: 14px 22px;
  border-top: 1px solid var(--blight);
  display: flex;
  justify-content: flex-end;
}
.btn-mclose {
  padding: 8px 20px;
  background: var(--lbg);
  border: 1px solid var(--blight);
  border-radius: var(--rad-s);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--lmuted);
  cursor: pointer;
  transition: var(--tr);
}
.btn-mclose:hover {
  background: var(--ltxt);
  color: #fff;
}

/* ══════════════════════════════
   FOOTER
══════════════════════════════ */
.footer {
  background: var(--surface);
  color: var(--bmuted);
  text-align: center;
  padding: 26px;
  font-size: 0.85rem;
  border-top: 1px solid var(--bdark);
}
.footer a {
  color: #60a5fa;
}
.footer a:hover {
  color: var(--btxt);
}

/* ══════════════════════════════
   BACK TO TOP
══════════════════════════════ */
#backTop {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 44px;
  height: 44px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--rad-s);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--tr);
  z-index: 999;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
}
#backTop.active {
  opacity: 1;
  visibility: visible;
}
#backTop:hover {
  background: var(--accentH);
  transform: translateY(-3px);
}

/* ══════════════════════════════
   REVEAL ANIMATION
══════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition:
    opacity 0.55s ease,
    transform 0.55s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.rv1 {
  transition-delay: 0.1s;
}
.rv2 {
  transition-delay: 0.2s;
}
.rv3 {
  transition-delay: 0.3s;
}

/* ══════════════════════════════
   RESPONSIVE
══════════════════════════════ */
@media (max-width: 960px) {
  .about-grid {
    grid-template-columns: 1fr;
  }
  .stats-card {
    max-width: 400px;
  }
}
@media (max-width: 640px) {
  .hero h1 {
    font-size: 2.3rem;
  }
  .section {
    padding: 58px 0;
  }
  .exp-card {
    grid-template-columns: 1fr;
  }
  .contact-card {
    padding: 22px 18px;
  }
  .projects-grid {
    grid-template-columns: 1fr;
  }
}