/* ============================================
   VARIABLES & RESET
   ============================================ */
:root {
    /* Dark tech palette */
    --bg:           #0a0e17;
    --bg-2:         #0d1220;
    --bg-card:      #111827;
    --bg-card-2:    #161f30;
    --bg-elevated:  #1a2540;

    --ink:          #f0f4ff;
    --ink-2:        #c9d3e8;
    --ink-3:        #8899bb;
    --ink-4:        #4d607a;

    --accent:       #00d4ff;
    --accent-2:     #0099cc;
    --accent-glow:  rgba(0, 212, 255, 0.15);
    --accent-dim:   rgba(0, 212, 255, 0.08);

    --green:        #00ff88;
    --green-dim:    rgba(0, 255, 136, 0.12);
    --green-glow:   rgba(0, 255, 136, 0.2);

    --purple:       #7c3aed;
    --purple-dim:   rgba(124, 58, 237, 0.15);

    --border:       rgba(255,255,255,0.08);
    --border-accent:rgba(0, 212, 255, 0.25);

    --font:   'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --mono:   'JetBrains Mono', 'Courier New', monospace;

    --radius:    8px;
    --radius-lg: 14px;

    --shadow-sm:  0 1px 3px rgba(0,0,0,0.4);
    --shadow:     0 4px 24px rgba(0,0,0,0.5);
    --shadow-lg:  0 12px 48px rgba(0,0,0,0.6);
    --glow-cyan:  0 0 24px rgba(0,212,255,0.2), 0 0 48px rgba(0,212,255,0.08);
    --glow-green: 0 0 24px rgba(0,255,136,0.2);

    --transition: 0.2s ease;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--ink);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Scrollbar tech */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent-2); border-radius: 99px; }

.container { max-width: 1140px; margin: 0 auto; padding: 0 28px; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: var(--font); cursor: pointer; border: none; background: none; }

h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.025em;
    color: var(--ink);
}

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 4px;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 26px;
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition);
    white-space: nowrap;
    letter-spacing: 0.01em;
}

.btn-primary {
    background: var(--accent);
    color: #000;
    box-shadow: var(--glow-cyan);
}
.btn-primary:hover {
    background: #33ddff;
    transform: translateY(-2px);
    box-shadow: 0 0 32px rgba(0,212,255,0.4);
}

.btn-ghost {
    background: transparent;
    color: var(--ink-3);
    border: 1px solid var(--border);
}
.btn-ghost:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 0 16px var(--accent-glow);
}

.btn-full { width: 100%; justify-content: center; }

/* ============================================
   SECTION SHARED
   ============================================ */
section { padding: 96px 0; }

.section-label {
    display: inline-block;
    font-family: var(--mono);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 14px;
}

.section-label::before {
    content: '// ';
    opacity: 0.5;
}

.section-title {
    font-size: clamp(1.9rem, 3.5vw, 2.8rem);
    color: var(--ink);
}

.section-title--left { text-align: left; }

.section-header { margin-bottom: 56px; }
.section-header--center { text-align: center; }

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 0 28px;
    transition: background 0.3s ease, border-color 0.3s ease;
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    background: rgba(10, 14, 23, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom-color: var(--border);
}

.nav-container {
    max-width: 1140px;
    margin: 0 auto;
    height: 66px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo { display: flex; align-items: center; flex-shrink: 0; }

.logo-img {
    height: 48px;
    width: auto;
    object-fit: contain;
    display: block;
    transition: opacity var(--transition), filter var(--transition);
    filter: brightness(1.3) drop-shadow(0 0 8px rgba(0,212,255,0.3));
}

.logo:hover .logo-img {
    opacity: 0.85;
    filter: brightness(1.5) drop-shadow(0 0 14px rgba(0,212,255,0.5));
}

.logo-img--footer { height: 36px; opacity: 0.4; filter: none; }
.footer-logo:hover .logo-img--footer { opacity: 0.7; }

/* Theme toggle button */
.nav-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.theme-toggle {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--accent-dim);
    border: 1px solid var(--border-accent);
    color: var(--accent);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    cursor: pointer;
}

.theme-toggle:hover {
    background: var(--accent);
    color: #000;
    box-shadow: var(--glow-cyan);
    transform: rotate(20deg) scale(1.1);
}


.nav-menu {
    display: flex;
    align-items: center;
    gap: 2px;
}

.nav-link {
    padding: 7px 13px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--ink-3);
    border-radius: 6px;
    transition: var(--transition);
    font-family: var(--mono);
    font-size: 0.8rem;
}

.nav-link:hover, .nav-link.active {
    color: var(--accent);
    background: var(--accent-dim);
}

.nav-cta {
    background: var(--accent) !important;
    color: #000 !important;
    padding: 7px 18px;
    border-radius: var(--radius);
    font-weight: 700;
    margin-left: 8px;
    font-family: var(--font) !important;
    font-size: 0.85rem !important;
    box-shadow: var(--glow-cyan);
}

.nav-cta:hover {
    background: #33ddff !important;
    transform: translateY(-1px);
    box-shadow: 0 0 28px rgba(0,212,255,0.4) !important;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 6px;
    border-radius: 6px;
    transition: var(--transition);
}
.hamburger:hover { background: var(--accent-dim); }
.hamburger span {
    display: block;
    width: 20px;
    height: 1.5px;
    background: var(--ink-3);
    border-radius: 2px;
    transition: var(--transition);
}
.hamburger.active span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); background: var(--accent); }
.hamburger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.active span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); background: var(--accent); }

/* ============================================
   HERO
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 28px 80px;
    position: relative;
    overflow: hidden;
    background: var(--bg);
}

/* Imagen de fondo tech — setup personal */
.hero-bg-img {
    position: absolute;
    inset: 0;
    background-image: url('setup.jpg');
    background-size: cover;
    background-position: center 40%;
    opacity: 0.12;
    filter: saturate(0.6);
    z-index: 0;
}

/* Grid de puntos de fondo */
.hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle, rgba(0,212,255,0.08) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 80%);
}

/* Resplandor de fondo */
.hero::after {
    content: '';
    position: absolute;
    top: 10%;
    left: 30%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0,212,255,0.05) 0%, transparent 70%);
    pointer-events: none;
}

.hero-container {
    max-width: 1140px;
    margin: 0 auto;
    width: 100%;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 64px;
    align-items: center;
    position: relative;
    z-index: 1;
}

/* Logo en Hero */
.hero-logo-wrap {
    margin-bottom: 28px;
}

.hero-logo {
    height: 80px;
    width: auto;
    filter: brightness(1.4) drop-shadow(0 0 20px rgba(0,212,255,0.4));
    transition: filter var(--transition);
}

.hero-logo:hover {
    filter: brightness(1.6) drop-shadow(0 0 32px rgba(0,212,255,0.6));
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--mono);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--green);
    background: var(--green-dim);
    border: 1px solid rgba(0,255,136,0.2);
    padding: 6px 14px;
    border-radius: 99px;
    margin-bottom: 28px;
    letter-spacing: 0.05em;
}

.badge-dot {
    width: 6px;
    height: 6px;
    background: var(--green);
    border-radius: 50%;
    animation: pulse-dot 2.5s infinite;
    box-shadow: 0 0 6px var(--green);
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; box-shadow: 0 0 6px var(--green); }
    50%       { opacity: 0.7; box-shadow: 0 0 14px var(--green), 0 0 28px var(--green-glow); }
}

.hero-title {
    font-size: clamp(2.6rem, 5vw, 4.2rem);
    line-height: 1.06;
    margin-bottom: 24px;
    color: var(--ink);
}

.hero-title-accent {
    color: var(--accent);
    text-shadow: 0 0 40px rgba(0,212,255,0.3);
}

.hero-subtitle {
    font-size: 1.05rem;
    color: var(--ink-3);
    line-height: 1.8;
    max-width: 480px;
    margin-bottom: 36px;
}

.hero-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
    padding-top: 32px;
    border-top: 1px solid var(--border);
}

.hero-stat { display: flex; flex-direction: column; gap: 2px; }

.stat-num {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: -0.04em;
    text-shadow: 0 0 20px rgba(0,212,255,0.3);
}

.stat-desc { font-size: 0.73rem; color: var(--ink-4); font-family: var(--mono); }

.hero-stat-divider {
    width: 1px;
    height: 36px;
    background: var(--border);
}

/* ============================================
   TERMINAL CARD
   ============================================ */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
}

.terminal-card {
    background: #0d1117;
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-lg);
    overflow: hidden;
    width: 100%;
    max-width: 440px;
    box-shadow: var(--glow-cyan), var(--shadow-lg);
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 12px 16px;
    background: #161b22;
    border-bottom: 1px solid var(--border);
}

.t-dot { width: 11px; height: 11px; border-radius: 50%; }
.t-red    { background: #ff5f57; }
.t-yellow { background: #febc2e; }
.t-green  { background: #28c840; }

.t-title {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--ink-4);
    margin-left: 6px;
}

.terminal-body {
    padding: 20px 22px;
    font-family: var(--mono);
    font-size: 0.82rem;
    line-height: 2;
}

.t-line { display: flex; align-items: center; gap: 9px; }
.t-prompt { color: var(--accent); user-select: none; }
.t-cmd    { color: #e2e8f0; }
.t-out    { color: var(--ink-4); }
.t-check  { color: var(--green); text-shadow: 0 0 8px var(--green-glow); }
.t-success { color: var(--green); text-shadow: 0 0 8px var(--green-glow); }
.t-time   { margin-left: auto; color: var(--ink-4); font-size: 0.73rem; }
.t-cursor { color: var(--accent); animation: blink 1.1s step-end infinite; }
.t-cursor-line { margin-top: 2px; }

@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

.hero-pill {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-accent);
    border-radius: 99px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--ink-3);
    box-shadow: var(--shadow);
    white-space: nowrap;
    backdrop-filter: blur(8px);
}

.hero-pill i { color: var(--accent); font-size: 0.8rem; text-shadow: 0 0 8px var(--accent); }

.pill-1 { bottom: -16px; left: -24px; }
.pill-2 { top: -16px; right: -24px; }

/* ============================================
   SERVICES
   ============================================ */
.services {
    background: var(--bg-2);
    padding: 96px 0;
    position: relative;
    overflow: hidden;
}

.services::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.services .section-label { color: var(--accent); }
.services .section-title { color: var(--ink); }

.services-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.service-card {
    background: var(--bg-card);
    padding: 36px 32px;
    transition: background var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 2px;
    height: 0;
    background: var(--accent);
    transition: height 0.4s ease;
}

.service-card:hover::before { height: 100%; }

.service-card:hover { background: var(--bg-card-2); }

.service-card--featured {
    background: var(--bg-elevated);
}

.service-card--featured::before { background: var(--green); }
.service-card--featured:hover { background: #1e2d48; }

.service-icon {
    width: 42px;
    height: 42px;
    background: var(--accent-dim);
    border: 1px solid var(--border-accent);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--accent);
    margin-bottom: 20px;
    transition: var(--transition);
}

.service-card--featured .service-icon {
    background: var(--green-dim);
    border-color: rgba(0,255,136,0.25);
    color: var(--green);
}

.service-card:hover .service-icon {
    box-shadow: var(--glow-cyan);
}

.service-card h3 {
    font-size: 1.05rem;
    margin-bottom: 10px;
    color: var(--ink);
}

.service-card p {
    font-size: 0.87rem;
    color: var(--ink-3);
    line-height: 1.75;
    margin-bottom: 18px;
}

.service-list { display: flex; flex-direction: column; gap: 8px; }

.service-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.83rem;
    color: var(--ink-4);
    font-family: var(--mono);
    font-size: 0.78rem;
}

.service-list li i {
    color: var(--green);
    font-size: 0.65rem;
    flex-shrink: 0;
    text-shadow: 0 0 6px var(--green-glow);
}

/* ============================================
   TECHNOLOGIES
   ============================================ */
.technologies {
    background: var(--bg);
    position: relative;
}

.technologies::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 24px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    cursor: default;
    position: relative;
    overflow: hidden;
}

.tech-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, var(--accent-dim) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.tech-item:hover {
    border-color: var(--border-accent);
    box-shadow: var(--glow-cyan);
    transform: translateY(-4px);
}

.tech-item:hover::after { opacity: 1; }

.tech-icon {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    position: relative;
    z-index: 1;
}

.tech-python  { background: rgba(59,130,246,0.12); color: #60a5fa; }
.tech-js      { background: rgba(234,179,8,0.12);  color: #fbbf24; }
.tech-docker  { background: rgba(6,182,212,0.12);  color: #22d3ee; }
.tech-linux   { background: rgba(161,98,7,0.12);   color: #fbbf24; }
.tech-github  { background: rgba(139,92,246,0.12); color: #a78bfa; }
.tech-node    { background: rgba(34,197,94,0.12);  color: #4ade80; }
.tech-bash    { background: rgba(0,212,255,0.1);   color: var(--accent); }
.tech-api     { background: rgba(20,184,166,0.12); color: #2dd4bf; }
.tech-sql     { background: rgba(249,115,22,0.12); color: #fb923c; }
.tech-security{ background: rgba(124,58,237,0.12); color: #a78bfa; }

.tech-item span {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--ink-3);
    text-align: center;
    font-family: var(--mono);
    position: relative;
    z-index: 1;
}

/* ============================================
   PROJECTS
   ============================================ */
.projects {
    background: var(--bg-2);
    position: relative;
}

.projects::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.projects-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 16px;
    align-items: start;
}

.projects-col {
    display: flex;
    flex-direction: column;
    gap: 16px;
    isolation: isolate;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 26px;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    gap: 12px;
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-2), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.project-card:hover::before { opacity: 1; }

.project-card--main {
    padding: 32px;
    height: 100%;
}

.project-card:hover {
    border-color: var(--border-accent);
    box-shadow: 0 0 32px rgba(0,212,255,0.08);
    transform: translateY(-2px);
}

.project-card--accent {
    background: var(--bg-elevated);
    border-color: rgba(0,212,255,0.2);
}

.project-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}

.project-icon {
    width: 40px;
    height: 40px;
    background: var(--accent-dim);
    border: 1px solid var(--border-accent);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--accent);
    flex-shrink: 0;
}

.project-icon--sm {
    width: 34px;
    height: 34px;
    font-size: 0.85rem;
    border-radius: 8px;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    justify-content: flex-end;
}

.tag {
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    padding: 3px 10px;
    background: var(--accent-dim);
    color: var(--accent);
    border: 1px solid var(--border-accent);
    border-radius: 99px;
    font-family: var(--mono);
}

.project-card h3 {
    font-size: 0.97rem;
    color: var(--ink);
    line-height: 1.4;
}

.project-card--main h3 { font-size: 1.15rem; }

.project-card p {
    font-size: 0.87rem;
    color: var(--ink-3);
    line-height: 1.7;
    flex: 1;
}

.project-metric {
    display: flex;
    align-items: baseline;
    gap: 8px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.metric-value {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: -0.04em;
    text-shadow: 0 0 20px rgba(0,212,255,0.3);
}

.metric-label { font-size: 0.8rem; color: var(--ink-4); }

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--accent);
    margin-top: auto;
    padding-top: 4px;
    transition: gap var(--transition);
    font-family: var(--mono);
}

.project-link:hover { gap: 10px; text-shadow: 0 0 12px var(--accent); }

/* ============================================
   PROCESS — SDLC dark style
   ============================================ */
.process {
    background: var(--bg);
    position: relative;
}

.process::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.sdlc-wrapper {
    position: relative;
    padding-top: 20px;
}

.sdlc-line {
    position: absolute;
    top: 52px;
    left: 7%;
    right: 7%;
    height: 0;
    border-top: 2px dashed rgba(0,212,255,0.3);
    z-index: 0;
}

.sdlc-steps {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 8px;
    position: relative;
    z-index: 1;
}

.sdlc-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 12px;
}

.sdlc-arrow {
    width: 1px;
    height: 28px;
    border-left: 2px dashed rgba(0,212,255,0.3);
    position: relative;
}

.sdlc-arrow::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 7px solid rgba(0,212,255,0.4);
}

.sdlc-icon-box {
    width: 72px;
    height: 72px;
    border: 1px solid var(--border-accent);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: var(--accent);
    background: var(--accent-dim);
    transition: var(--transition);
}

.sdlc-icon-box--accent {
    border-color: rgba(0,255,136,0.25);
    color: var(--green);
    background: var(--green-dim);
}

.sdlc-step:hover .sdlc-icon-box {
    background: var(--accent);
    color: #000;
    transform: translateY(-6px);
    box-shadow: var(--glow-cyan);
    border-color: var(--accent);
}

.sdlc-step:hover .sdlc-icon-box--accent {
    background: var(--green);
    color: #000;
    box-shadow: var(--glow-green);
    border-color: var(--green);
}

.sdlc-label {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink-2);
    font-family: var(--mono);
}

.sdlc-desc {
    font-size: 0.75rem;
    color: var(--ink-4);
    line-height: 1.5;
    max-width: 120px;
}

/* ============================================
   RESULTS
   ============================================ */
.results {
    background: var(--bg-2);
    padding: 96px 0;
    position: relative;
    overflow: hidden;
}

.results::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.results::after {
    content: '';
    position: absolute;
    bottom: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0,212,255,0.04) 0%, transparent 70%);
    pointer-events: none;
}

.results .section-label { color: var(--accent); }
.results .section-title { color: var(--ink); }
.results-desc { color: var(--ink-3); }

.results-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.results-text .section-label { display: inline-block; margin-bottom: 14px; }
.results-text .section-title { margin-bottom: 18px; }

.results-desc {
    font-size: 0.93rem;
    line-height: 1.75;
    margin-bottom: 28px;
    max-width: 380px;
}

.results-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.result-card {
    background: var(--bg-card);
    padding: 28px 24px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    transition: background var(--transition);
    position: relative;
    overflow: hidden;
}

.result-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.4s ease;
}

.result-card:hover::before { width: 100%; }
.result-card:hover { background: var(--bg-card-2); }

.result-num {
    font-size: 2.6rem;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: -0.05em;
    line-height: 1;
    text-shadow: 0 0 24px rgba(0,212,255,0.3);
    font-family: var(--mono);
}

.result-label {
    font-size: 0.8rem;
    color: var(--ink-4);
    line-height: 1.5;
}

/* ============================================
   FAQ
   ============================================ */
.faq { background: var(--bg); }

.faq-list {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
}

.faq-item {
    border-bottom: 1px solid var(--border);
    overflow: hidden;
}

.faq-item:first-child { border-top: 1px solid var(--border); }

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 0;
    text-align: left;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--ink-2);
    transition: color var(--transition);
}

.faq-question:hover { color: var(--accent); }

.faq-icon {
    color: var(--ink-4);
    font-size: 0.8rem;
    flex-shrink: 0;
    transition: transform 0.22s ease;
}

.faq-item.open .faq-icon { transform: rotate(45deg); color: var(--accent); }

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.28s ease;
}

.faq-answer p {
    padding: 0 0 20px;
    font-size: 0.9rem;
    color: var(--ink-3);
    line-height: 1.75;
}

.faq-item.open .faq-answer { max-height: 220px; }

/* ============================================
   CONTACT
   ============================================ */
.contact {
    background: var(--bg-2);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 80px;
    align-items: start;
}

.contact-info .section-label { display: inline-block; margin-bottom: 14px; }
.contact-info .section-title { margin-bottom: 16px; }

.contact-desc {
    font-size: 0.92rem;
    color: var(--ink-3);
    line-height: 1.75;
    margin-bottom: 32px;
    max-width: 360px;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition);
    color: var(--ink);
}

.contact-link:hover {
    border-color: var(--border-accent);
    box-shadow: 0 0 16px var(--accent-glow);
    transform: translateX(4px);
}

.contact-link i {
    font-size: 1.1rem;
    color: var(--accent);
    width: 20px;
    text-align: center;
    flex-shrink: 0;
    text-shadow: 0 0 8px rgba(0,212,255,0.4);
}

.contact-link div { display: flex; flex-direction: column; gap: 1px; }

.contact-link strong {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--ink);
}

.contact-link span {
    font-size: 0.78rem;
    color: var(--ink-4);
    font-family: var(--mono);
}

.contact-form-wrap {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.contact-form-wrap::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--green));
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 18px;
}

.form-group label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--ink-3);
    font-family: var(--mono);
    letter-spacing: 0.05em;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 11px 14px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: var(--mono);
    font-size: 0.88rem;
    color: var(--ink);
    transition: var(--transition);
    resize: vertical;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder { color: var(--ink-4); }

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-dim);
    background: var(--bg-card);
}

.form-note {
    text-align: center;
    font-size: 0.75rem;
    color: var(--ink-4);
    margin-top: 12px;
    font-family: var(--mono);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--bg);
    border-top: 1px solid var(--border);
    padding: 28px;
}

.footer-inner {
    max-width: 1140px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

.footer-copy {
    font-size: 0.78rem;
    color: var(--ink-4);
    font-family: var(--mono);
}

.footer-nav { display: flex; gap: 20px; }

.footer-nav a {
    font-size: 0.78rem;
    color: var(--ink-4);
    transition: var(--transition);
    font-family: var(--mono);
}

.footer-nav a:hover { color: var(--accent); }

/* ============================================
   EXPERIENCE SECTION
   ============================================ */
.experience-section {
    background: var(--bg-2);
    padding: 96px 0;
    position: relative;
}

.experience-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.experience-section .faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.experience-section .faq-item {
    border-bottom: 1px solid var(--border);
    background: transparent;
}

.experience-section .faq-item:first-child {
    border-top: 1px solid var(--border);
}

.experience-section .faq-question {
    color: var(--ink-2);
    font-size: 0.95rem;
}

.experience-section .faq-question:hover {
    color: var(--accent);
}

/* ============================================
   LIGHT MODE
   ============================================ */
body.light {
    --bg:           #f0f4ff;
    --bg-2:         #e8edf8;
    --bg-card:      #ffffff;
    --bg-card-2:    #f5f8ff;
    --bg-elevated:  #eaf0ff;

    --ink:          #0a0e1a;
    --ink-2:        #1e2a40;
    --ink-3:        #4a5a78;
    --ink-4:        #8899bb;

    --border:       rgba(0,0,0,0.08);
    --border-accent:rgba(0, 153, 204, 0.3);

    --accent:       #0077aa;
    --accent-2:     #005588;
    --accent-glow:  rgba(0, 119, 170, 0.15);
    --accent-dim:   rgba(0, 119, 170, 0.08);

    --green:        #00a854;
    --green-dim:    rgba(0, 168, 84, 0.1);
    --green-glow:   rgba(0, 168, 84, 0.2);

    --shadow-sm:  0 1px 3px rgba(0,0,0,0.1);
    --shadow:     0 4px 24px rgba(0,0,0,0.12);
    --shadow-lg:  0 12px 48px rgba(0,0,0,0.15);
    --glow-cyan:  0 0 24px rgba(0,119,170,0.15);
    --glow-green: 0 0 24px rgba(0,168,84,0.15);
}

body.light ::-webkit-scrollbar-track { background: #f0f4ff; }
body.light ::-webkit-scrollbar-thumb { background: var(--accent-2); }

body.light .navbar.scrolled {
    background: rgba(240,244,255,0.94);
}

body.light .nav-menu {
    background: rgba(240,244,255,0.97);
}

body.light .terminal-card {
    background: #1a1f2e;
}

body.light .hero-bg-grid {
    background-image: radial-gradient(circle, rgba(0,119,170,0.1) 1px, transparent 1px);
}



/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .tech-grid { grid-template-columns: repeat(4, 1fr); }
    .sdlc-steps { grid-template-columns: repeat(4, 1fr); gap: 16px; }
    .sdlc-line { display: none; }
    .sdlc-arrow { display: none; }
    .projects-grid { grid-template-columns: 1fr; }
    .projects-col { gap: 16px; }
}

@media (max-width: 768px) {
    section { padding: 64px 0; }

    .hamburger { display: flex; }

    .nav-menu {
        display: none;
        position: fixed;
        top: 0;
        right: -100%;
        width: min(320px, 85vw);
        height: 100vh;
        flex-direction: column;
        background: var(--bg-card);
        backdrop-filter: blur(20px);
        padding: 0;
        gap: 0;
        border-left: 1px solid var(--border-accent);
        box-shadow: -8px 0 40px rgba(0,0,0,0.6);
        transition: right 0.3s cubic-bezier(0.4,0,0.2,1);
        z-index: 99;
        overflow-y: auto;
    }

    .nav-menu.open {
        display: flex;
        right: 0;
    }

    /* Overlay detrás del drawer */
    .nav-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.6);
        backdrop-filter: blur(4px);
        z-index: 98;
    }

    .nav-overlay.open { display: block; }

    /* Header del drawer */
    .nav-menu::before {
        content: 'MENU';
        display: block;
        padding: 28px 24px 20px;
        font-family: var(--mono);
        font-size: 0.65rem;
        font-weight: 700;
        letter-spacing: 0.2em;
        color: var(--accent);
        border-bottom: 1px solid var(--border);
        flex-shrink: 0;
    }

    .nav-link {
        padding: 16px 24px;
        font-size: 1rem;
        font-weight: 500;
        border-radius: 0;
        border-bottom: 1px solid var(--border);
        width: 100%;
        text-align: left;
        display: flex;
        align-items: center;
        gap: 12px;
        color: var(--ink-2);
        transition: var(--transition);
    }

    .nav-link::before {
        content: '>';
        font-family: var(--mono);
        font-size: 0.75rem;
        color: var(--accent);
        opacity: 0.5;
        transition: opacity var(--transition);
    }

    .nav-link:hover,
    .nav-link.active {
        background: var(--accent-dim);
        color: var(--accent);
        padding-left: 32px;
    }

    .nav-link:hover::before,
    .nav-link.active::before {
        opacity: 1;
    }

    .nav-cta {
        margin: 20px 24px !important;
        border-radius: var(--radius) !important;
        width: calc(100% - 48px) !important;
        text-align: center !important;
        justify-content: center !important;
        border-bottom: none !important;
        padding: 14px 24px !important;
        font-size: 0.95rem !important;
    }

    .nav-cta::before { display: none !important; }

    .hero { padding: 100px 24px 60px; }
    .hero-container { grid-template-columns: 1fr; gap: 48px; }
    .hero-visual { display: none; }
    .hero-title { font-size: clamp(2.2rem, 8vw, 3rem); }
    .hero-stats { gap: 20px; }

    .services-grid { grid-template-columns: 1fr; }
    .service-card:nth-child(1),
    .service-card:nth-child(2) { border-bottom: 1px solid var(--border); }

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

    .results-inner { grid-template-columns: 1fr; gap: 48px; }
    .results-stats { grid-template-columns: 1fr 1fr; }

    .contact-grid { grid-template-columns: 1fr; gap: 48px; }

    .footer-inner { flex-direction: column; text-align: center; gap: 16px; }
    .footer-nav { justify-content: center; flex-wrap: wrap; gap: 16px; }
}

@media (max-width: 480px) {
    .hero-actions { flex-direction: column; }
    .btn { width: 100%; justify-content: center; }
    .hero-stats { flex-direction: column; align-items: flex-start; gap: 12px; }
    .hero-stat-divider { display: none; }
    .tech-grid { grid-template-columns: repeat(2, 1fr); }
    .results-stats { grid-template-columns: 1fr; }
    .contact-form-wrap { padding: 24px; }
    .section-title { font-size: 1.75rem; }
    .sdlc-steps { grid-template-columns: repeat(2, 1fr); gap: 20px; }
}