/* ============================================
   PROXSOFT REDESIGN - Inspired by blitedb.com
   Dark tech theme, Inter + JetBrains Mono
   ============================================ */

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

:root {
  --bg:          #0a0a0f;
  --bg-alt:      #0f0f18;
  --bg-card:     #12121e;
  --bg-card-hover: #17172a;
  --border:      rgba(255,255,255,0.07);
  --border-hover:rgba(99,102,241,0.4);
  --accent:      #6366f1;
  --accent-2:    #818cf8;
  --accent-glow: rgba(99,102,241,0.15);
  --green:       #22c55e;
  --text:        #e2e8f0;
  --text-muted:  #94a3b8;
  --text-faint:  #475569;
  --code-bg:     #0d0d1a;
  --radius:      12px;
  --radius-sm:   8px;
  --font:        'Inter', system-ui, sans-serif;
  --font-mono:   'JetBrains Mono', 'Fira Code', monospace;
  --nav-h:       60px;
}

/* ============================================
   LIGHT THEME
   ============================================ */
[data-theme="light"] {
  --bg:            #f8f9fc;
  --bg-alt:        #f0f2f7;
  --bg-card:       #ffffff;
  --bg-card-hover: #f3f4f8;
  --border:        rgba(0,0,0,0.09);
  --border-hover:  rgba(99,102,241,0.45);
  --accent:        #4f46e5;
  --accent-2:      #6366f1;
  --accent-glow:   rgba(99,102,241,0.08);
  --green:         #16a34a;
  --text:          #0f172a;
  --text-muted:    #475569;
  --text-faint:    #94a3b8;
  --code-bg:       #1e1e2e;
}

[data-theme="light"] .navbar {
  background: rgba(248,249,252,0.9);
}

[data-theme="light"] .announcement-bar {
  background: linear-gradient(90deg, #e0e7ff, #c7d2fe, #e0e7ff);
  color: #3730a3;
}

[data-theme="light"] .hero-glow--left  { background: rgba(99,102,241,0.08); }
[data-theme="light"] .hero-glow--right { background: rgba(129,140,248,0.06); }


[data-theme="light"] ::-webkit-scrollbar-track { background: var(--bg); }
[data-theme="light"] ::-webkit-scrollbar-thumb { background: #c7d2fe; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #2d2d4e; border-radius: 3px; }

/* ---- UTILITIES ---- */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================
   ANNOUNCEMENT BAR
   ============================================ */
.announcement-bar {
  background: linear-gradient(90deg, #1e1b4b, #312e81, #1e1b4b);
  color: #c7d2fe;
  text-align: center;
  padding: 10px 16px;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  position: sticky;
  top: 0;
  z-index: 200;
}

.announcement-dot {
  display: inline-block;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulse-dot 2s infinite;
  flex-shrink: 0;
}

@keyframes pulse-dot {
  0%,100% { opacity:1; transform:scale(1); }
  50%      { opacity:0.6; transform:scale(1.3); }
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
  position: sticky;
  top: 37px;
  z-index: 100;
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  height: var(--nav-h);
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
  gap: 8px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo-img {
  height: 32px;
  width: auto;
  display: block;
  transition: opacity 0.2s;
}
.nav-logo:hover .nav-logo-img { opacity: 0.82; }

.nav-logo-text {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.nav-logo-accent {
  color: #6366f1;
}
[data-theme="light"] .nav-logo-accent {
  color: #4338ca;
}

.logo-accent { color: var(--accent-2); }

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 4px;
  margin-left: auto;
  margin-right: 8px;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 999px;
  transition: color 0.2s, background 0.2s, box-shadow 0.2s;
  position: relative;
  white-space: nowrap;
}

.nav-links a:hover { color: var(--text); background: rgba(255,255,255,0.05); }

/* Light mode nav-links hover — più accentuato */
[data-theme="light"] .nav-links a {
  color: var(--text-muted);
}
[data-theme="light"] .nav-links a:hover {
  color: var(--accent);
  background: rgba(79,70,229,0.09);
}

.nav-cta {
  color: var(--accent-2) !important;
  border: 1px solid rgba(99,102,241,0.3) !important;
  margin-left: 8px !important;
  position: relative;
  overflow: hidden;
  isolation: isolate;
  transition: all 0.25s ease !important;
}
.nav-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 30%, rgba(99,102,241,0.15) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform 0s;
  pointer-events: none;
  z-index: 1;
}
.nav-cta:hover::before {
  transform: translateX(100%);
  transition: transform 0.45s ease;
}
.nav-cta:hover {
  background: var(--accent-glow) !important;
  border-color: var(--accent) !important;
  transform: translateY(-1px);
  box-shadow: 0 0 16px rgba(99,102,241,0.2);
}

/* ---- NAV CONTROLS (theme + lang) ---- */
.nav-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: 16px;
  flex-shrink: 0;
}

/* Theme toggle icon button */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  color: var(--text-muted);
  border-radius: 999px;
  transition: background 0.2s, color 0.2s;
}
.theme-toggle:hover {
  background: rgba(255,255,255,0.08);
  color: var(--text);
}
[data-theme="light"] .theme-toggle:hover {
  background: rgba(0,0,0,0.06);
}
.theme-toggle svg {
  width: 18px;
  height: 18px;
  display: block;
  flex-shrink: 0;
}
.theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: block; }

/* Lang toggle */
.lang-toggle {
  display: flex;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.lang-opt {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text-faint);
  padding: 4px 9px;
  transition: all 0.2s;
  font-family: var(--font);
}
.lang-opt.active {
  background: var(--accent);
  color: #fff;
}
.lang-opt:not(.active):hover {
  color: var(--text);
  background: var(--accent-glow);
}

@media(max-width:768px) {
  .nav-links { display: none; }
  .nav-burger { display: flex; }
  .nav-mobile.open { display: flex; }
  .nav-controls { margin-left: auto; gap: 8px; }
}

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: 8px;
}
.nav-burger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text-muted);
  border-radius: 2px;
  transition: all 0.3s;
}
.nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-mobile {
  display: none;
  flex-direction: column;
  border-top: 1px solid var(--border);
  padding: 12px 24px 20px;
  gap: 4px;
}
.nav-mobile a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}
.nav-mobile a:hover { color: var(--text); background: rgba(255,255,255,0.05); }
.nav-cta-mobile {
  color: var(--accent-2) !important;
  border: 1px solid rgba(99,102,241,0.3) !important;
  margin-top: 8px !important;
  text-align: center;
}

@media(max-width:768px) {
  .nav-links { display: none; }
  .nav-burger { display: flex; }
  .nav-mobile.open { display: flex; }
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  overflow: hidden;
  padding: 100px 0 60px;
}

.hero-glow {
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
}
.hero-glow--left  { background: rgba(99,102,241,0.12); top: -200px; left: -200px; }
.hero-glow--right { background: rgba(129,140,248,0.08); top: 0; right: -200px; }

.hero-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(99,102,241,0.1);
  border: 1px solid rgba(99,102,241,0.25);
  color: var(--accent-2);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 28px;
}

.badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 6px var(--green);
  flex-shrink: 0;
  animation: pulse-dot 2s infinite;
}

.hero-title {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  color: var(--text);
}

.hero-title--accent {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 11px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.25s ease;
  cursor: pointer;
  border: none;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

/* Shine sweep pseudo-element */
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    transparent 30%,
    rgba(255,255,255,0.18) 50%,
    transparent 70%
  );
  transform: translateX(-100%);
  transition: transform 0s;
  z-index: 1;
  pointer-events: none;
}
.btn:hover::before {
  transform: translateX(100%);
  transition: transform 0.5s ease;
}

.btn--primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 20px rgba(99,102,241,0.3);
}
.btn--primary:hover {
  background: var(--accent-2);
  box-shadow: 0 0 36px rgba(99,102,241,0.55), 0 4px 16px rgba(99,102,241,0.25);
  transform: translateY(-2px);
}
.btn--primary:active {
  transform: translateY(0);
  box-shadow: 0 0 16px rgba(99,102,241,0.3);
}

.btn--ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn--ghost::before {
  background: linear-gradient(
    105deg,
    transparent 30%,
    rgba(99,102,241,0.12) 50%,
    transparent 70%
  );
}
.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent-2);
  background: var(--accent-glow);
  box-shadow: 0 0 18px rgba(99,102,241,0.15), inset 0 0 12px rgba(99,102,241,0.06);
  transform: translateY(-2px);
}
.btn--ghost:active {
  transform: translateY(0);
}

/* ---- LIGHT THEME button overrides ---- */
[data-theme="light"] .btn--primary {
  box-shadow: 0 0 14px rgba(79,70,229,0.25);
}
[data-theme="light"] .btn--primary:hover {
  background: #4338ca;
  box-shadow: 0 0 28px rgba(79,70,229,0.45), 0 4px 16px rgba(79,70,229,0.25);
}
[data-theme="light"] .btn--primary::before {
  background: linear-gradient(
    105deg,
    transparent 30%,
    rgba(255,255,255,0.28) 50%,
    transparent 70%
  );
}
[data-theme="light"] .btn--ghost {
  border-color: rgba(0,0,0,0.18);
  color: var(--text);
}
[data-theme="light"] .btn--ghost::before {
  background: linear-gradient(
    105deg,
    transparent 30%,
    rgba(79,70,229,0.18) 50%,
    transparent 70%
  );
}
[data-theme="light"] .btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(79,70,229,0.07);
  box-shadow: 0 0 20px rgba(79,70,229,0.18), inset 0 0 12px rgba(79,70,229,0.06);
}

/* ---- CODE BLOCK ---- */
.hero-code {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

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

.code-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border);
}

.code-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.code-dot--red    { background: #ff5f57; }
.code-dot--yellow { background: #febc2e; }
.code-dot--green  { background: #28c840; }

.code-filename {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-faint);
}

.code-body {
  padding: 20px 24px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.9;
  overflow-x: auto;
}

code { font-family: inherit; }
.c-comment { color: #4a5568; font-style: italic; }
.c-keyword  { color: #c084fc; }
.c-type     { color: #38bdf8; }
.c-fn       { color: #34d399; }
.c-string   { color: #fbbf24; }

/* ---- CODE BLOCK light theme ---- */
[data-theme="light"] .hero-code {
  background: #e8eaed;
  border-color: #d1d5db;
  box-shadow: 0 20px 60px rgba(0,0,0,0.12);
}
[data-theme="light"] .code-header {
  background: #d4d7db;
  border-bottom-color: #c4c8ce;
}
[data-theme="light"] .code-body {
  background: #ffffff;
}
[data-theme="light"] .code-filename {
  color: #6b7280;
}

/* ---- STATS ROW ---- */
.stats-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 64px;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.stat-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 22px;
  min-width: 90px;
  transition: border-color 0.2s, background 0.2s;
}
.stat-badge:hover { border-color: var(--accent); background: var(--bg-card-hover); }
.stat-value { font-size: 1rem; font-weight: 800; color: var(--text); letter-spacing: -0.02em; }
.stat-label { font-size: 0.68rem; color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.06em; margin-top: 3px; }

/* ============================================
   SECTIONS
   ============================================ */
.section         { padding: 100px 0; }
.section--alt    { background: var(--bg-alt); }

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 20px;
  color: var(--text);
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 620px;
  line-height: 1.8;
  margin-bottom: 56px;
}

/* ============================================
   ABOUT GRID
   ============================================ */
.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 20px;
}

.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: border-color 0.3s, background 0.3s, transform 0.3s, box-shadow 0.3s;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.about-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    rgba(99,102,241,0.12),
    transparent 60%
  );
  opacity: 0;
  transition: opacity 0.35s;
  z-index: 0;
  pointer-events: none;
}
.about-card:hover::before { opacity: 1; }
.about-card > * { position: relative; z-index: 1; }
.about-card:hover {
  border-color: rgba(99,102,241,0.45);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.3), 0 0 0 1px rgba(99,102,241,0.1);
}
.about-icon { font-size: 1.8rem; margin-bottom: 14px; }
.about-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}
.about-card p { font-size: 0.875rem; color: var(--text-muted); line-height: 1.7; }

/* ============================================
   SERVICES GRID
   ============================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: border-color 0.3s, background 0.3s, transform 0.3s, box-shadow 0.3s;
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    700px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    rgba(99,102,241,0.13),
    transparent 60%
  );
  opacity: 0;
  transition: opacity 0.35s;
  z-index: 0;
  pointer-events: none;
}
.service-card:hover::before { opacity: 1; }
.service-card > * { position: relative; z-index: 1; }
.service-card:hover {
  border-color: rgba(99,102,241,0.45);
  background: var(--bg-card-hover);
  transform: translateY(-5px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.3), 0 0 0 1px rgba(99,102,241,0.1);
}
.service-icon { font-size: 2rem; }
.service-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
}
.service-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.75;
  flex: 1;
}
.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  margin-top: 4px;
}
.service-tags li {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent-2);
  background: rgba(99,102,241,0.1);
  border: 1px solid rgba(99,102,241,0.2);
  padding: 3px 10px;
  border-radius: 999px;
}

/* ============================================
   PROJECTS GRID
   ============================================ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color 0.3s, background 0.3s, transform 0.3s, box-shadow 0.3s;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.project-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    500px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    rgba(99,102,241,0.11),
    transparent 60%
  );
  opacity: 0;
  transition: opacity 0.35s;
  z-index: 0;
  pointer-events: none;
}
.project-card:hover::before { opacity: 1; }
.project-card > * { position: relative; z-index: 1; }
.project-card:hover {
  border-color: rgba(99,102,241,0.45);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.3), 0 0 0 1px rgba(99,102,241,0.08);
}
.project-card--featured {
  border-color: rgba(99,102,241,0.25);
  background: linear-gradient(135deg, rgba(99,102,241,0.05), var(--bg-card));
}
[data-theme="light"] .project-card--featured {
  background: var(--bg-card);
}
.project-card--featured:hover { border-color: rgba(99,102,241,0.55); }

.project-tag {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
  font-family: var(--font-mono);
}
.project-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
  line-height: 1.3;
}
.project-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ---- Expand / Collapse ---- */
.project-desc--long {
  display: none;
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-top: 4px;
  animation: fadeSlideIn 0.25s ease;
}
.project-card.expanded .project-desc--short,
.service-card.expanded  .project-desc--short { display: none; }
.project-card.expanded .project-desc--long,
.service-card.expanded  .project-desc--long  { display: block; }

@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.project-expand-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--accent-2);
  font-size: 0.75rem;
  font-weight: 600;
  font-family: var(--font);
  padding: 5px 12px;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}
.project-expand-btn:hover {
  background: var(--accent-glow);
  border-color: var(--accent);
  color: var(--accent);
}

.project-expand-icon {
  display: inline-block;
  width: 14px;
  height: 14px;
  position: relative;
  flex-shrink: 0;
}
/* Plus / minus via ::before ::after */
.project-expand-icon::before,
.project-expand-icon::after {
  content: '';
  position: absolute;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.project-expand-icon::before { width: 2px; height: 100%; top: 0; left: 50%; transform: translateX(-50%); }
.project-expand-icon::after  { width: 100%; height: 2px; top: 50%; left: 0; transform: translateY(-50%); }

/* When expanded → icon becomes minus (hide vertical bar) */
.project-card.expanded .project-expand-icon::before,
.service-card.expanded  .project-expand-icon::before {
  opacity: 0;
  transform: translateX(-50%) rotate(90deg);
}

/* ============================================
   AWARDS GRID
   ============================================ */
.awards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 48px;
}

.award-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.award-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    400px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    rgba(99,102,241,0.13),
    transparent 65%
  );
  opacity: 0;
  transition: opacity 0.35s;
  z-index: 0;
  pointer-events: none;
}
.award-card:hover::before { opacity: 1; }
.award-card > * { position: relative; z-index: 1; }
.award-card:hover {
  border-color: rgba(99,102,241,0.45);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.25);
}
.award-card--highlight {
  border-color: rgba(99,102,241,0.35);
  background: linear-gradient(135deg, rgba(99,102,241,0.08), var(--bg-card));
}
[data-theme="light"] .award-card--highlight {
  background: var(--bg-card);
}

.award-year {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  text-transform: uppercase;
  margin-bottom: 8px;
  font-family: var(--font-mono);
}
.award-icon  { font-size: 1.8rem; margin-bottom: 8px; }
.award-title { font-size: 0.9rem; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.award-desc  { font-size: 0.78rem; color: var(--text-muted); line-height: 1.4; }

.awards-logos {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 24px;
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  justify-content: center;
}

.award-logo-link img {
  height: 96px;
  width: auto;
  opacity: 0.85;
  transition: opacity 0.2s;
}
.award-logo-link:hover img { opacity: 1; }

[data-theme="light"] .award-logo-link img {
  filter: none;
  opacity: 0.9;
}
[data-theme="light"] .award-logo-link:hover img { opacity: 1; }

/* ============================================
   BADGES SECTION
   ============================================ */
.badges-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 32px;
  padding: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.badge-link img {
  height: 120px;
  width: auto;
  opacity: 0.9;
  transition: opacity 0.2s, transform 0.2s;
}
.badge-link:hover img { opacity: 1; transform: translateY(-3px); }

/* ============================================
   CONTACT GRID
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 20px;
}

.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.contact-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    400px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    rgba(99,102,241,0.11),
    transparent 65%
  );
  opacity: 0;
  transition: opacity 0.35s;
  z-index: 0;
  pointer-events: none;
}
.contact-card:hover::before { opacity: 1; }
.contact-card > * { position: relative; z-index: 1; }
.contact-card:hover {
  border-color: rgba(99,102,241,0.45);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.25);
}
.contact-card--cta {
  border-color: rgba(99,102,241,0.25);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.contact-icon { font-size: 1.6rem; margin-bottom: 12px; }
.contact-card h3 { font-size: 0.95rem; font-weight: 700; color: var(--text); margin-bottom: 10px; }
.contact-card p { font-size: 0.875rem; color: var(--text-muted); line-height: 1.7; }
.contact-card a { color: var(--text-muted); text-decoration: none; transition: color 0.2s; }
.contact-card a:hover { color: var(--accent-2); }
.contact-meta { margin-top: 10px; font-size: 0.78rem !important; color: var(--text-faint) !important; }
.contact-link { font-size: 0.85rem; color: var(--accent-2) !important; display: inline-block; margin-top: 10px; }
.contact-card--cta .btn { margin-top: auto; align-self: flex-start; }

.contact-card--social {
  display: flex;
  flex-direction: column;
}
.social-links {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 4px;
}
.social-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-muted) !important;
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: background 0.2s, color 0.2s;
}
.social-link:hover {
  background: var(--accent-glow);
  color: var(--accent-2) !important;
}
.social-link svg {
  width: 17px;
  height: 17px;
  flex-shrink: 0;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  padding: 48px 0 32px;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}
.footer-tagline { font-size: 0.82rem; font-weight: 400; color: var(--text-faint); }

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
.footer-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  transition: color 0.2s;
}
.footer-nav a:hover { color: var(--text); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.78rem;
  color: var(--text-faint);
}
.footer-quote { font-style: italic; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 900px) {
  .hero-layout { grid-template-columns: 1fr; gap: 48px; }
  .hero-code { max-width: 520px; }
  .hero-content { text-align: center; }
  .hero-badge { justify-content: center; }
  .hero-actions { justify-content: center; }
  .hero-subtitle { margin: 0 auto 36px; }
}

@media (max-width: 600px) {
  .section { padding: 72px 0; }
  .hero { padding: 72px 0 48px; }
  .stats-row { gap: 8px; }
  .stat-badge { padding: 10px 14px; min-width: 70px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-bottom { flex-direction: column; }
  .awards-logos { padding: 20px; gap: 16px; }
  .award-logo-link img { height: 72px; }
  .about-grid { grid-template-columns: 1fr; }
}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 9999;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(0,0,0,0.35);
  opacity: 0;
  transform: translateY(12px) scale(0.85);
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s, background 0.2s, color 0.2s, border-color 0.2s;
}
.back-to-top.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}
.back-to-top:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  box-shadow: 0 4px 24px rgba(99,102,241,0.4);
}
.back-to-top svg {
  width: 18px;
  height: 18px;
  display: block;
}
@media (max-width: 600px) {
  .back-to-top { bottom: 20px; right: 20px; width: 40px; height: 40px; }
}