/* ================================================================
   MN CONSULTORIA – style.css
   Light and dark themes | Blue accent | Inter font
================================================================ */

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

:root {
  --bg-base:      #f7faff;
  --bg-surface:   #ffffff;
  --bg-card:      #ffffff;
  --bg-card-hover:#eef5ff;
  --blue-500:     #0057ff;
  --blue-400:     #2979ff;
  --blue-300:     #1755b8;
  --cyan:         #008ebd;
  --white:        #10213d;
  --gray-100:     #f1f5f9;
  --gray-300:     #334155;
  --gray-400:     #52627a;
  --gray-600:     #65758d;
  --border:       rgba(15,39,76,0.12);
  --border-blue:  rgba(0,87,255,0.3);
  --glow-blue:    rgba(0,87,255,0.15);
  --glow-cyan:    rgba(0,212,255,0.08);
  --grid-line:    rgba(0,87,255,0.055);
  --cockpit-ring: rgba(0,87,255,0.075);
  --scan-glow:    rgba(0,115,255,0.055);
  --radius-sm:    8px;
  --radius-md:    14px;
  --radius-lg:    20px;
  --radius-xl:    28px;
  --shadow-card:  0 8px 32px rgba(18,48,91,0.08);
  --shadow-glow:  0 0 40px rgba(0,87,255,0.2);
  --transition:   0.3s cubic-bezier(0.4,0,0.2,1);
  --font:         'Inter', system-ui, sans-serif;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg-base: #070b14;
  --bg-surface: #0d1221;
  --bg-card: #111827;
  --bg-card-hover: #141d2e;
  --blue-300: #6ea8fe;
  --cyan: #00d4ff;
  --white: #ffffff;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-600: #475569;
  --border: rgba(255,255,255,0.07);
  --grid-line: rgba(90,157,255,0.045);
  --cockpit-ring: rgba(90,157,255,0.065);
  --scan-glow: rgba(0,158,255,0.035);
  --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font);
  background: var(--bg-base);
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── Utilities ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.gradient-text {
  background: linear-gradient(135deg, var(--blue-400) 0%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-blue { color: var(--blue-300); }

.section-tag {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--blue-400);
  background: rgba(0,87,255,0.1);
  border: 1px solid rgba(0,87,255,0.25);
  border-radius: 999px;
  padding: .3rem .9rem;
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.section-header { text-align: center; max-width: 600px; margin: 0 auto 3.5rem; }

.section-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: .75rem;
}

.section-sub { color: var(--gray-400); font-size: 1.05rem; }

/* ── Buttons ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: linear-gradient(135deg, var(--blue-500) 0%, #0040cc 100%);
  color: #ffffff;
  font-weight: 700;
  font-size: .95rem;
  padding: .8rem 1.8rem;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(0,87,255,0.4);
  white-space: nowrap;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,87,255,0.55);
  background: linear-gradient(135deg, var(--blue-400) 0%, var(--blue-500) 100%);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: transparent;
  color: var(--white);
  font-weight: 600;
  font-size: .95rem;
  padding: .8rem 1.8rem;
  border-radius: 999px;
  border: 1.5px solid var(--border-blue);
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-outline:hover {
  border-color: var(--blue-400);
  background: rgba(0,87,255,0.08);
  transform: translateY(-2px);
}

.btn-nav {
  display: inline-flex;
  align-items: center;
  background: linear-gradient(135deg, var(--blue-500), #0040cc);
  color: #ffffff;
  font-weight: 700;
  font-size: .875rem;
  padding: .55rem 1.3rem;
  border-radius: 999px;
  text-decoration: none;
  transition: var(--transition);
  box-shadow: 0 2px 12px rgba(0,87,255,0.35);
}
.btn-nav:hover { transform: translateY(-1px); box-shadow: 0 4px 20px rgba(0,87,255,0.5); }

.btn-full { width: 100%; justify-content: center; }
.btn-lg { padding: 1rem 2.2rem; font-size: 1.05rem; }
.btn-sm { padding: .5rem 1.1rem; font-size: .85rem; }

/* ── Animations ── */
@keyframes fadeUp   { from { opacity:0; transform:translateY(28px); } to { opacity:1; transform:translateY(0); } }
@keyframes fadeLeft { from { opacity:0; transform:translateX(40px); } to { opacity:1; transform:translateX(0); } }
@keyframes float    { 0%,100% { transform: translateY(0);   } 50% { transform: translateY(-10px); } }
@keyframes pulse    { 0%,100% { transform: scale(1); opacity:.8; } 50% { transform: scale(1.5); opacity:0; } }
@keyframes blinkCursor { 0%,49% { opacity:1; } 50%,100% { opacity:0; } }
@keyframes scrollWheel { 0%,100% { transform: translateY(0); opacity:1; } 50% { transform: translateY(8px); opacity:0; } }
@keyframes rotateGlow  { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes shimmer { 0% { background-position: -200% center; } 100% { background-position: 200% center; } }

.animate-fade-up  { animation: fadeUp  .7s ease both; }
.animate-fade-left{ animation: fadeLeft .7s ease both; }
.delay-1 { animation-delay: .1s; }
.delay-2 { animation-delay: .2s; }
.delay-3 { animation-delay: .3s; }
.delay-4 { animation-delay: .45s; }

/* ══════════════════════════════════════
   NAVBAR
══════════════════════════════════════ */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 1rem 0;
  background: transparent;
  transition: background .3s, backdrop-filter .3s, box-shadow .3s;
}
.navbar.scrolled {
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border);
}
html[data-theme="dark"] .navbar.scrolled { background: rgba(7,11,20,.88); }
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.logo {
  display: flex; align-items: center; gap: .75rem; text-decoration: none;
  flex-shrink: 0;
}
.logo-mark { display: inline-flex; align-items: center; justify-content: center; gap: 2px; flex-shrink: 0; height: 45px; color: var(--blue-500); font-family: 'Cascadia Code', Consolas, monospace; font-weight: 800; white-space: nowrap; }
.logo-brace { font-size: 1.65rem; line-height: 1; font-weight: 500; }
.logo-initials { font-family: var(--font); font-size: 1rem; font-weight: 800; letter-spacing: -.055em; color: var(--white); }
.logo-text {
  display: flex; flex-direction: column; line-height: 1.15; color: var(--gray-400); font-size: .58rem; font-weight: 700; letter-spacing: .025em; text-transform: uppercase; white-space: nowrap;
}
.logo-text strong { font-size: 1rem; font-weight: 800; letter-spacing: -.04em; white-space: nowrap; }
.logo-text strong span { color: var(--blue-500); }
.logo-text small { color: var(--gray-400); font-size: .57rem; font-weight: 600; letter-spacing: .035em; text-transform: uppercase; white-space: nowrap; }
.theme-toggle { display: grid; place-items: center; width: 40px; height: 40px; flex-shrink: 0; padding: 9px; border: 1px solid var(--border); border-radius: 50%; background: var(--bg-card); color: var(--white); cursor: pointer; transition: var(--transition); }
.theme-toggle:hover { border-color: var(--blue-400); color: var(--blue-500); }
.theme-toggle svg { width: 20px; height: 20px; }
.theme-icon-sun, html[data-theme="dark"] .theme-icon-moon { display: none; }
html[data-theme="dark"] .theme-icon-sun { display: block; }
.theme-toggle:focus-visible { outline: 3px solid var(--blue-400); outline-offset: 3px; }

.nav-links {
  display: flex; align-items: center; gap: .25rem;
}
.nav-links a {
  color: var(--gray-300);
  text-decoration: none;
  font-size: .9rem;
  font-weight: 500;
  padding: .5rem .9rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.nav-links a:not(.btn-nav):hover { color: var(--white); background: var(--bg-card-hover); }
.nav-links .btn-nav { margin-left: .75rem; color: #ffffff; }

.hamburger {
  display: none;
  flex-direction: column; gap: 5px;
  background: transparent; border: none; cursor: pointer; padding: 6px;
}
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--white); border-radius: 2px; transition: var(--transition);
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* ══════════════════════════════════════
   HERO
══════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

/* Subtle cockpit grid */
.hero-grid {
  position: absolute; inset: 0; z-index: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
  pointer-events: none;
  animation: cockpitGrid 28s linear infinite;
}
.hero-grid::before {
  content: '';
  position: absolute; inset: 0;
  background: repeating-radial-gradient(circle at 72% 50%, transparent 0 109px, var(--cockpit-ring) 110px 111px, transparent 112px 220px);
  opacity: .65;
}
.hero-grid::after {
  content: '';
  position: absolute; top: 0; bottom: 0; left: -25%; width: 25%;
  background: linear-gradient(90deg, transparent, var(--scan-glow), transparent);
  animation: cockpitScan 16s ease-in-out infinite;
}
@keyframes cockpitGrid { to { background-position: 60px 60px; } }
@keyframes cockpitScan { 0%, 12% { transform: translateX(0); } 88%, 100% { transform: translateX(500%); } }

.hero-glow {
  position: absolute; border-radius: 50%; z-index: 0;
  filter: blur(80px); pointer-events: none;
}
.glow-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,87,255,.18) 0%, transparent 70%);
  top: -100px; left: -100px;
}
.glow-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(0,212,255,.1) 0%, transparent 70%);
  bottom: -100px; right: -50px;
}

.hero-content {
  position: relative; z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 4rem;
  align-items: center;
}
.hero-left, .hero-right { min-width: 0; }

/* Badge */
.badge {
  display: inline-block;
  font-size: .8rem; font-weight: 500;
  color: var(--gray-300);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: .45rem 1rem;
  margin-bottom: 1.5rem;
}
.badge-dot {
  display: inline-block; vertical-align: middle;
  width: 8px; height: 8px; border-radius: 50%; margin-right: .5rem;
  background: var(--blue-400);
  box-shadow: 0 0 8px var(--blue-400);
  animation: pulse 2s infinite;
}

.hero-title {
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -.02em;
  height: 4.4em;
  margin-bottom: 1.25rem;
}

.hero-title-line { display: block; height: 1.1em; white-space: nowrap; }
#heroLead, .hero-dynamic-word { transition: opacity .28s ease; }
.hero-phrase-changing #heroLead,
.hero-phrase-changing .hero-dynamic-word { opacity: 0; }

.hero-sub {
  font-size: 1.1rem;
  color: var(--gray-400);
  max-width: 480px;
  margin-bottom: 2rem;
  line-height: 1.7;
}
.hero-sub strong { color: var(--blue-300); font-weight: 600; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 2.5rem; }

.hero-stats { display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; gap: .1rem; }
.stat-number { font-size: 1.6rem; font-weight: 900; color: var(--white); }
.stat-label  { font-size: .75rem; color: var(--gray-400); font-weight: 500; }
.stat-divider {
  width: 1px; height: 40px;
  background: var(--border);
}

/* Code Window */
.hero-right { position: relative; }

.code-window {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card), 0 0 60px rgba(0,87,255,.12);
  animation: float 6s ease-in-out infinite;
}
html:not([data-theme="dark"]) .code-window { background: #111827; border-color: #27344b; color: #e5edf8; }
html:not([data-theme="dark"]) .code-header { background: #192233; border-color: #27344b; }
html:not([data-theme="dark"]) .code-body { color: #cbd5e1; }
.code-header {
  display: flex; align-items: center; gap: .75rem;
  padding: .75rem 1rem;
  background: rgba(255,255,255,.03);
  border-bottom: 1px solid var(--border);
}
.code-dots { display: flex; gap: .4rem; }
.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot.red    { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green  { background: #28c840; }
.code-filename { font-size: .8rem; color: var(--gray-400); margin-left: auto; }

.code-languages { display: flex; gap: .35rem; padding: .55rem 1rem; border-bottom: 1px solid rgba(255,255,255,.09); }
.code-language { padding: .3rem .65rem; border: 1px solid transparent; border-radius: 6px; background: transparent; color: #a7b4c7; font: 600 .7rem var(--font); cursor: pointer; transition: var(--transition); }
.code-language:hover, .code-language:focus-visible { color: #ffffff; border-color: #3a506d; }
.code-language.active { color: #ffffff; background: #1554ba; }
.code-language:focus-visible { outline: 2px solid #69b8ff; outline-offset: 2px; }

.code-body { padding: 1.25rem 1.5rem; min-height: 39rem; overflow-x: auto; }
.code-body.is-changing { opacity: .25; transform: translateY(6px); }
.code-body { transition: opacity .22s ease, transform .22s ease; }

/* Portfolio */
.projects { padding: 100px 0; background: var(--bg-surface); }
.projects-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; }
.project-card { min-width: 0; overflow: hidden; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow-card); transition: var(--transition); }
.project-card:hover { transform: translateY(-4px); border-color: var(--border-blue); box-shadow: 0 16px 38px rgba(0,87,255,.12); }
.project-preview { aspect-ratio: 1918 / 945; overflow: hidden; background: #111827; }
.project-copy { padding: 1.4rem 1.6rem 1.65rem; }
.project-type { display: inline-block; color: var(--blue-300); font-size: .68rem; font-weight: 800; letter-spacing: .1em; }
.project-copy h3 { margin: .35rem 0 .4rem; font-size: 1.3rem; line-height: 1.25; }
.project-copy p { color: var(--gray-400); font-size: .88rem; line-height: 1.65; }
.project-preview img { display: block; width: 100%; height: 100%; aspect-ratio: 1918 / 945; object-fit: cover; object-position: top left; }
.code-body pre { margin: 0; }
.code-body code {
  font-family: 'Fira Code', 'Cascadia Code', 'Courier New', monospace;
  font-size: .82rem;
  line-height: 1.9;
  color: var(--gray-300);
}
html:not([data-theme="dark"]) .code-body code { color: #cbd5e1; }
html:not([data-theme="dark"]) .code-filename { color: #a7b4c7; }
.kw { color: #c792ea; }
.cls{ color: #82aaff; }
.br { color: #89ddff; }
.pu { color: #89ddff; }

/* Floating cards */
.floating-cards {
  position: absolute;
  display: flex; flex-direction: column; gap: .75rem;
  right: -48px;
  top: 50%;
  transform: translateY(-50%);
}
.float-card {
  display: flex; align-items: center; gap: .75rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: .75rem 1rem;
  min-width: 180px;
  box-shadow: var(--shadow-card);
  animation: float 5s ease-in-out infinite;
}
.fc-1 { animation-delay: 0s;    border-left: 2px solid var(--blue-400); }
.fc-2 { animation-delay: 1.5s;  border-left: 2px solid var(--cyan);     }
.fc-3 { animation-delay: 3s;    border-left: 2px solid #a78bfa;         }
.fc-icon {
  width: 38px; height: 38px;
  border-radius: var(--radius-sm);
  background: rgba(0,87,255,0.1);
  display: flex; align-items: center; justify-content: center;
  color: var(--blue-400);
  flex-shrink: 0;
}
.fc-title { font-size: .82rem; font-weight: 700; color: var(--white); }
.fc-sub   { font-size: .72rem; color: var(--gray-400); }

/* Scroll indicator */
.scroll-indicator {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: .5rem;
  color: var(--gray-600); font-size: .75rem;
  animation: fadeUp 1s ease 1s both;
}
.scroll-mouse {
  width: 22px; height: 36px;
  border: 2px solid var(--gray-600);
  border-radius: 999px;
  display: flex; justify-content: center; padding-top: 6px;
}
.scroll-wheel {
  width: 4px; height: 8px; border-radius: 2px;
  background: var(--blue-400);
  animation: scrollWheel 1.5s ease-in-out infinite;
}

/* ══════════════════════════════════════
   SERVICES
══════════════════════════════════════ */
.services {
  padding: 100px 0;
  background: var(--bg-base);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--blue-500), var(--cyan));
  opacity: 0;
  transition: var(--transition);
}
.service-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-blue);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,87,255,.15);
}
.service-card:hover::before { opacity: 1; }

.service-card.sc-featured {
  grid-column: span 1;
  background: linear-gradient(135deg, rgba(0,87,255,.12) 0%, rgba(0,64,204,.06) 100%);
  border-color: rgba(0,87,255,.3);
}
.service-card.sc-featured::before { opacity: 1; }

.sc-icon {
  width: 60px; height: 60px;
  border-radius: var(--radius-md);
  background: rgba(0,87,255,0.1);
  border: 1px solid rgba(0,87,255,.2);
  display: flex; align-items: center; justify-content: center;
  color: var(--blue-400);
  margin-bottom: 1.25rem;
  transition: var(--transition);
}
.service-card:hover .sc-icon {
  background: rgba(0,87,255,.2);
  box-shadow: 0 0 20px rgba(0,87,255,.3);
}

.service-card h3 {
  font-size: 1.1rem; font-weight: 700;
  margin-bottom: .5rem; color: var(--white);
}
.service-card p {
  font-size: .9rem; color: var(--gray-400);
  line-height: 1.6; margin-bottom: 1.25rem;
}
.sc-features {
  list-style: none; margin-bottom: 1.5rem;
}
.sc-features li {
  display: flex; align-items: center; gap: .5rem;
  font-size: .85rem; color: var(--gray-300);
  padding: .3rem 0;
}
.sc-features li span { color: var(--blue-400); font-weight: 700; }

.sc-link {
  display: inline-flex; align-items: center; gap: .4rem;
  color: var(--blue-400); font-size: .9rem; font-weight: 600;
  text-decoration: none; transition: var(--transition);
}
.sc-link:hover { gap: .7rem; color: var(--cyan); }

/* ══════════════════════════════════════
   ABOUT
══════════════════════════════════════ */
.about {
  padding: 100px 0;
  background: var(--bg-surface);
  position: relative;
  overflow: hidden;
}
.about-bg-glow {
  position: absolute;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(0,87,255,.08) 0%, transparent 70%);
  top: 50%; left: -200px; transform: translateY(-50%);
  pointer-events: none;
}
.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.tech-badge-group {
  display: flex; flex-wrap: wrap; gap: .6rem;
  margin-bottom: 2rem;
}
.tech-badge {
  font-size: .78rem; font-weight: 700;
  color: var(--blue-300);
  background: rgba(0,87,255,0.08);
  border: 1px solid rgba(0,87,255,.2);
  border-radius: var(--radius-sm);
  padding: .35rem .8rem;
  transition: var(--transition);
}
.tech-badge:hover {
  background: rgba(0,87,255,.15);
  border-color: rgba(0,87,255,.4);
}

.rocket-card {
  display: flex; align-items: flex-start; gap: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-blue);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  margin-bottom: 1.25rem;
}
.rocket-card h4 {
  font-size: 1.05rem; font-weight: 900;
  line-height: 1.4; text-transform: uppercase;
}

.value-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: .75rem; }
.value-card {
  display: flex; flex-direction: column; align-items: center;
  gap: .5rem; text-align: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.25rem .75rem;
  font-size: .78rem; font-weight: 600; color: var(--gray-300);
  transition: var(--transition);
}
.value-card:hover {
  border-color: var(--border-blue);
  background: var(--bg-card-hover);
  transform: translateY(-3px);
}

.about-right p {
  color: var(--gray-400); line-height: 1.8;
  margin-bottom: 1rem;
}
.about-right p strong { color: var(--blue-300); font-weight: 600; }

.about-stats {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1rem; margin: 2rem 0;
}
.about-stat {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  text-align: center;
  transition: var(--transition);
}
.about-stat:hover { border-color: var(--border-blue); transform: translateY(-2px); }
.as-number { font-size: 2rem; font-weight: 900; }
.as-label  { font-size: .78rem; color: var(--gray-400); margin-top: .25rem; }

/* ══════════════════════════════════════
   DIFFERENTIALS
══════════════════════════════════════ */
.differentials { padding: 100px 0; background: var(--bg-base); }

.diff-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.diff-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: var(--transition);
  position: relative;
}
.diff-card:hover {
  border-color: var(--border-blue);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,87,255,.12);
}
.diff-num {
  font-size: 3rem; font-weight: 900;
  color: rgba(0,87,255,.12);
  position: absolute; top: 1rem; right: 1.5rem;
  line-height: 1;
}
.diff-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-md);
  background: rgba(0,87,255,0.1);
  border: 1px solid rgba(0,87,255,.2);
  display: flex; align-items: center; justify-content: center;
  color: var(--blue-400);
  margin-bottom: 1rem;
  transition: var(--transition);
}
.diff-card:hover .diff-icon {
  background: rgba(0,87,255,.2);
  box-shadow: 0 0 20px rgba(0,87,255,.25);
}
.diff-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: .5rem; }
.diff-card p  { font-size: .88rem; color: var(--gray-400); line-height: 1.65; }

/* ══════════════════════════════════════
   CTA BANNER
══════════════════════════════════════ */
.cta-banner {
  padding: 80px 0;
  background: linear-gradient(135deg, rgba(0,87,255,.12) 0%, rgba(0,64,204,.06) 100%);
  border-top: 1px solid var(--border-blue);
  border-bottom: 1px solid var(--border-blue);
  position: relative; overflow: hidden;
}
.cta-glow {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  width: 600px; height: 300px;
  background: radial-gradient(ellipse, rgba(0,87,255,.15) 0%, transparent 70%);
  pointer-events: none;
}
.cta-inner {
  display: flex; align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}
.cta-left { max-width: 560px; }
.cta-left h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800; margin-bottom: .75rem;
}
.cta-left p { color: var(--gray-400); font-size: 1rem; }
.cta-right { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ══════════════════════════════════════
   CONTACT
══════════════════════════════════════ */
.contact { padding: 100px 0; background: var(--bg-surface); }

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: start;
}
.contact-left p { color: var(--gray-400); line-height: 1.8; margin: 1rem 0 2rem; }

.contact-info { display: flex; flex-direction: column; gap: 1rem; }
.ci-item {
  display: flex; align-items: center; gap: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
}
.ci-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(0,87,255,.1);
  display: flex; align-items: center; justify-content: center;
  color: var(--blue-400);
  flex-shrink: 0;
}
.ci-item strong { display: block; font-size: .85rem; color: var(--white); }
.ci-item a, .ci-item span {
  font-size: .88rem; color: var(--gray-400);
  text-decoration: none; transition: var(--transition);
}
.ci-item a:hover { color: var(--blue-300); }

/* Form */
.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: .4rem; margin-bottom: 1.1rem; }
.form-group label { font-size: .82rem; font-weight: 600; color: var(--gray-300); }
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg-surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--white);
  font-family: var(--font);
  font-size: .9rem;
  padding: .75rem 1rem;
  transition: var(--transition);
  outline: none;
  width: 100%;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--gray-600); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue-400);
  box-shadow: 0 0 0 3px rgba(0,87,255,.12);
}
.form-group select { cursor: pointer; }
.form-group select option { background: var(--bg-surface); }
.form-group textarea { resize: vertical; min-height: 110px; }
.form-note { font-size: .78rem; color: var(--gray-600); text-align: center; margin-top: .75rem; }

/* ══════════════════════════════════════
   FOOTER
══════════════════════════════════════ */
.footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  position: relative; overflow: hidden;
  padding-top: 4rem;
}
.footer-glow {
  position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 700px; height: 200px;
  background: radial-gradient(ellipse, rgba(0,87,255,.07) 0%, transparent 70%);
  pointer-events: none;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border);
}
.footer-brand p {
  font-size: .88rem; color: var(--gray-400);
  line-height: 1.7; margin: 1.25rem 0 1.5rem;
  max-width: 300px;
}
.footer-social { display: flex; gap: .75rem; }
.footer-social a {
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--gray-400);
  text-decoration: none;
  transition: var(--transition);
}
.footer-social a:hover { color: var(--blue-400); border-color: var(--border-blue); }

.footer-links h4 { font-size: .85rem; font-weight: 700; margin-bottom: 1.1rem; color: var(--white); }
.footer-links ul { list-style: none; display: flex; flex-direction: column; gap: .55rem; }
.footer-links a {
  font-size: .875rem; color: var(--gray-400);
  text-decoration: none; transition: var(--transition);
}
.footer-links a:hover { color: var(--blue-300); padding-left: 4px; }

.footer-contact-col h4 { font-size: .85rem; font-weight: 700; margin-bottom: 1.1rem; }
.fc-item {
  display: flex; align-items: center; gap: .6rem;
  margin-bottom: .75rem;
  color: var(--gray-400);
}
.fc-item svg { color: var(--blue-400); flex-shrink: 0; }
.fc-item a { color: var(--gray-400); text-decoration: none; font-size: .875rem; transition: var(--transition); }
.fc-item a:hover { color: var(--blue-300); }

.footer-bottom { padding: 1.25rem 0; }
.footer-bottom-inner {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: .5rem;
  font-size: .8rem; color: var(--gray-600);
}

/* ── WhatsApp Float ── */
.whatsapp-float {
  position: fixed; bottom: 2rem; right: 2rem; z-index: 999;
  width: 58px; height: 58px;
  background: #25d366;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,.4);
  text-decoration: none;
  transition: var(--transition);
}
.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 8px 30px rgba(37,211,102,.55); }
.wf-pulse {
  position: absolute; inset: -4px;
  border-radius: 50%;
  border: 2px solid rgba(37,211,102,.5);
  animation: pulse 2s infinite;
}

/* ══════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════ */

@media (max-width: 1100px) {
  .floating-cards { right: -24px; }
  .float-card { min-width: 160px; }
  .nav-links a { padding: .5rem .55rem; font-size: .82rem; }
  .logo-text { display: none; }
}

@media (max-width: 992px) {
  .hero-content { grid-template-columns: minmax(0, 1fr); gap: 3rem; }
  .hero-right { order: 1; }
  .code-window { animation: none; }
  .code-body { height: 23rem; min-height: 0; overflow: auto; }
  .floating-cards { display: none; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .projects-grid { grid-template-columns: 1fr 1fr; }
  .about-inner { grid-template-columns: 1fr; gap: 3rem; }
  .value-cards { grid-template-columns: repeat(3,1fr); }
  .diff-grid { grid-template-columns: 1fr 1fr; }
  .contact-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .navbar { padding: .75rem 0; }
  .nav-links {
    position: fixed; top: 70px; left: 0; right: 0;
    background: var(--bg-surface);
    backdrop-filter: blur(20px);
    flex-direction: column; align-items: stretch;
    padding: 1.5rem;
    gap: .5rem;
    border-bottom: 1px solid var(--border);
    transform: translateY(-110%);
    transition: transform .35s cubic-bezier(0.4,0,0.2,1);
    visibility: hidden;
    pointer-events: none;
    z-index: 999;
  }
  html[data-theme="dark"] .nav-links { background: rgba(7,11,20,.97); }
  .nav-links.open { transform: translateY(0); visibility: visible; pointer-events: auto; }
  .nav-links a { padding: .85rem 1rem; font-size: 1rem; }
  .nav-links .btn-nav { text-align: center; justify-content: center; }
  .hamburger { display: flex; }

  .hero { min-height: auto; padding: 105px 0 60px; }
  .hero-grid::before { opacity: .25; }
  .hero-grid::after { display: none; }
  .hero-content { gap: 2.5rem; }
  .hero-title { font-size: 2.2rem; }
  .code-body { height: 19rem; padding: 1rem; }
  .code-body pre { white-space: pre-wrap; overflow-wrap: anywhere; }
  .code-body code { font-size: .72rem; line-height: 1.6; }
  .code-header { padding: .65rem .85rem; }
  .code-languages { padding: .45rem .75rem; }

  .services-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .diff-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr 1fr 1fr; }
  .value-cards { grid-template-columns: 1fr; }
  .cta-inner { flex-direction: column; text-align: center; }
  .cta-right { justify-content: center; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom-inner { flex-direction: column; text-align: center; }
  .hero-stats { gap: 1rem; }
  .stat-divider { height: 30px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .nav-inner { gap: .55rem; }
  .nav-inner .logo { margin-right: auto; gap: .45rem; }
  .nav-inner .logo-mark { height: 38px; }
  .nav-inner .logo-brace { font-size: 1.35rem; }
  .nav-inner .logo-initials { font-size: .76rem; }
  .nav-inner .logo-text strong { font-size: .86rem; }
  .nav-inner .logo-text small { font-size: .46rem; }
  .hero-title { font-size: 1.9rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn-primary,
  .hero-actions .btn-outline { width: 100%; justify-content: center; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .contact-form { padding: 1.5rem; }
  .whatsapp-float { bottom: 1.25rem; right: 1.25rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
}