/* ============================================================
   TECHFIX — Custom Styles: Dark-Tech Glassmorphism Theme
   ============================================================ */

:root {
    --primary: #00d4ff;
    --primary-dark: #0099cc;
    --secondary: #7b2ff7;
    --accent: #ff6b35;
    --dark: #0a0e1a;
    --dark-2: #111827;
    --dark-3: #1f2937;
    --glass: rgba(255,255,255,0.05);
    --glass-border: rgba(255,255,255,0.1);
    --text-muted: #8892a4;
    --success: #10b981;
    --gradient-hero: linear-gradient(135deg, #0a0e1a 0%, #111827 50%, #1a0533 100%);
    --gradient-card: linear-gradient(135deg, rgba(0,212,255,0.05), rgba(123,47,247,0.05));
    --shadow-glow: 0 0 30px rgba(0,212,255,0.15);
    --shadow-card: 0 8px 32px rgba(0,0,0,0.4);
    --border-radius: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    background: var(--dark);
    color: #e2e8f0;
    font-family: 'Inter', 'Segoe UI', sans-serif;
    overflow-x: hidden;
}

/* ── CANVAS DE PARTÍCULAS ── */
#particles-canvas {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
    z-index: 0;
}

/* ── NAVBAR GLASSMORPHISM ── */
.navbar-techfix {
    background: rgba(10,14,26,0.8) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding: 16px 0;
    position: fixed !important;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    transition: var(--transition);
}

.navbar-techfix.scrolled {
    background: rgba(10,14,26,0.95) !important;
    padding: 10px 0;
    box-shadow: var(--shadow-glow);
}

.navbar-brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.4rem;
    color: white !important;
    text-decoration: none;
}

.brand-icon {
    width: 40px; height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 0 20px rgba(0,212,255,0.4);
    animation: pulse-glow 2s infinite;
}

.brand-text span { color: var(--primary); }

.nav-link-custom {
    color: rgba(255,255,255,0.8) !important;
    font-weight: 500;
    padding: 8px 16px !important;
    border-radius: 8px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.nav-link-custom::before {
    content: '';
    position: absolute;
    bottom: 0; left: 50%;
    transform: translateX(-50%);
    width: 0; height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

.nav-link-custom:hover {
    color: var(--primary) !important;
    background: rgba(0,212,255,0.1);
}

.nav-link-custom:hover::before,
.nav-link-custom.active::before { width: 80%; }

.nav-link-custom.active { color: var(--primary) !important; }

.btn-nav-cta {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
    padding: 10px 24px !important;
    border-radius: 50px !important;
    font-weight: 600;
    color: white !important;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(0,212,255,0.3);
}

.btn-nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,212,255,0.5);
}

/* ── HERO SECTION ── */
.hero-section {
    min-height: 100vh;
    background: var(--gradient-hero);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0,212,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,212,255,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: grid-drift 20s linear infinite;
}

.hero-orb-1 {
    position: absolute;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(0,212,255,0.08) 0%, transparent 70%);
    top: -100px; right: -100px;
    border-radius: 50%;
    animation: float-orb 8s ease-in-out infinite;
}

.hero-orb-2 {
    position: absolute;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(123,47,247,0.1) 0%, transparent 70%);
    bottom: -50px; left: -50px;
    border-radius: 50%;
    animation: float-orb 12s ease-in-out infinite reverse;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0,212,255,0.1);
    border: 1px solid rgba(0,212,255,0.3);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 24px;
    animation: fadeInDown 0.8s ease;
}

.badge-dot {
    width: 8px; height: 8px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-title .gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 520px;
    margin-bottom: 40px;
    line-height: 1.7;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-cta-group {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.6s both;
}

.btn-hero-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
    padding: 16px 36px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.05rem;
    color: white;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
    box-shadow: 0 8px 30px rgba(0,212,255,0.35);
}

.btn-hero-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 40px rgba(0,212,255,0.5);
    color: white;
}

.btn-hero-secondary {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    padding: 16px 36px;
    border-radius: 50px;
    font-weight: 600;
    color: white;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
}

.btn-hero-secondary:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-3px);
}

.hero-stats {
    display: flex;
    gap: 32px;
    margin-top: 56px;
    animation: fadeInUp 0.8s ease 0.8s both;
    flex-wrap: wrap;
}

.stat-item { text-align: left; }

.stat-number {
    font-size: 2rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.stat-label { font-size: 0.8rem; color: var(--text-muted); margin-top: 4px; }

/* ── HERO IMAGE SIDE ── */
.hero-visual {
    position: relative;
    animation: fadeInRight 0.8s ease 0.3s both;
}

.hero-device-mockup {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 30px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-card), var(--shadow-glow);
}

.hero-device-mockup::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-card);
    z-index: 0;
}

.device-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.device-dot { width: 12px; height: 12px; border-radius: 50%; }
.device-dot.red { background: #ff5f57; }
.device-dot.yellow { background: #febc2e; }
.device-dot.green { background: #28c840; }

.service-cards-mini { position: relative; z-index: 1; }

.mini-card {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 12px;
    padding: 14px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
    transition: var(--transition);
    cursor: pointer;
}

.mini-card:hover {
    background: rgba(0,212,255,0.1);
    border-color: rgba(0,212,255,0.3);
    transform: translateX(6px);
}

.mini-card-icon {
    width: 36px; height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.mini-card-icon.blue { background: rgba(0,212,255,0.2); }
.mini-card-icon.purple { background: rgba(123,47,247,0.2); }
.mini-card-icon.orange { background: rgba(255,107,53,0.2); }
.mini-card-icon.green { background: rgba(16,185,129,0.2); }

.mini-card-info { flex: 1; }
.mini-card-name { font-size: 0.85rem; font-weight: 600; }
.mini-card-price { font-size: 0.75rem; color: var(--primary); font-weight: 700; }

.mini-card-status {
    font-size: 0.7rem;
    background: rgba(16,185,129,0.2);
    color: var(--success);
    padding: 3px 8px;
    border-radius: 20px;
    font-weight: 600;
}

/* ── SERVICES SECTION ── */
.services-section {
    padding: 100px 0;
    position: relative;
    background: var(--dark-2);
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0,212,255,0.08);
    border: 1px solid rgba(0,212,255,0.2);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.8rem;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    margin-bottom: 16px;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 560px;
    margin: 0 auto 60px;
    line-height: 1.7;
}

/* ── SERVICE CARD ── */
.service-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 32px;
    height: 100%;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.service-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-card);
    opacity: 0;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: rgba(0,212,255,0.4);
    box-shadow: var(--shadow-card), 0 0 40px rgba(0,212,255,0.1);
}

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

.service-card-icon {
    width: 64px; height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 20px;
    position: relative;
    transition: var(--transition);
}

.service-card:hover .service-card-icon {
    transform: scale(1.1) rotate(-5deg);
    box-shadow: 0 0 30px rgba(0,212,255,0.3);
}

.service-card-icon.blue { background: linear-gradient(135deg, rgba(0,212,255,0.2), rgba(0,153,204,0.1)); border: 1px solid rgba(0,212,255,0.3); }
.service-card-icon.purple { background: linear-gradient(135deg, rgba(123,47,247,0.2), rgba(80,0,200,0.1)); border: 1px solid rgba(123,47,247,0.3); }
.service-card-icon.orange { background: linear-gradient(135deg, rgba(255,107,53,0.2), rgba(200,60,0,0.1)); border: 1px solid rgba(255,107,53,0.3); }
.service-card-icon.green { background: linear-gradient(135deg, rgba(16,185,129,0.2), rgba(0,130,80,0.1)); border: 1px solid rgba(16,185,129,0.3); }
.service-card-icon.pink { background: linear-gradient(135deg, rgba(236,72,153,0.2), rgba(180,0,100,0.1)); border: 1px solid rgba(236,72,153,0.3); }
.service-card-icon.yellow { background: linear-gradient(135deg, rgba(251,191,36,0.2), rgba(180,130,0,0.1)); border: 1px solid rgba(251,191,36,0.3); }

.service-card h4 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
    position: relative;
}

.service-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.65;
    margin-bottom: 20px;
    position: relative;
}

.service-price {
    display: inline-flex;
    align-items: baseline;
    gap: 4px;
    position: relative;
}

.price-amount {
    font-size: 1.6rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-label { font-size: 0.8rem; color: var(--text-muted); }

.service-features {
    list-style: none;
    padding: 0;
    margin: 16px 0 0;
    position: relative;
}

.service-features li {
    font-size: 0.85rem;
    color: var(--text-muted);
    padding: 5px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.service-features li::before {
    content: '✓';
    color: var(--primary);
    font-weight: 700;
    font-size: 0.8rem;
}

/* ── ABOUT SECTION ── */
.about-section {
    padding: 100px 0;
    background: var(--dark);
    position: relative;
    overflow: hidden;
}

.about-section::before {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 800px; height: 800px;
    background: radial-gradient(circle, rgba(123,47,247,0.04) 0%, transparent 70%);
    pointer-events: none;
}

.about-visual {
    position: relative;
}

.about-main-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 40px;
    position: relative;
    overflow: hidden;
}

.about-main-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, rgba(0,212,255,0.05), transparent, rgba(123,47,247,0.05), transparent);
    animation: spin-slow 20s linear infinite;
}

.tech-logo-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    position: relative;
    z-index: 1;
}

.tech-logo-item {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 12px;
    padding: 16px;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
}

.tech-logo-item:hover {
    background: rgba(0,212,255,0.1);
    border-color: rgba(0,212,255,0.3);
    transform: scale(1.05);
}

.tech-logo-item .icon { font-size: 1.8rem; display: block; margin-bottom: 6px; }
.tech-logo-item .name { font-size: 0.7rem; color: var(--text-muted); }

.about-floating-card {
    position: absolute;
    background: var(--dark-3);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 16px 20px;
    box-shadow: var(--shadow-card);
    z-index: 2;
}

.about-floating-card.card-years {
    bottom: -20px;
    right: -20px;
    text-align: center;
}

.about-floating-card .big-number {
    font-size: 2.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.mv-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 28px;
    margin-bottom: 20px;
    transition: var(--transition);
}

.mv-card:hover {
    border-color: rgba(0,212,255,0.3);
    transform: translateX(6px);
}

.mv-card-icon {
    width: 48px; height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 14px;
    background: linear-gradient(135deg, rgba(0,212,255,0.15), rgba(123,47,247,0.15));
    border: 1px solid rgba(0,212,255,0.2);
}

.mv-card h5 {
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--primary);
}

.mv-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin: 0;
}

/* ── TEAM CARDS ── */
.team-section {
    padding: 80px 0;
    background: var(--dark-2);
}

.team-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.team-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transform: scaleX(0);
    transition: var(--transition);
}

.team-card:hover { transform: translateY(-8px); border-color: rgba(0,212,255,0.3); }
.team-card:hover::before { transform: scaleX(1); }

.team-avatar {
    width: 80px; height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 16px;
    border: 2px solid rgba(0,212,255,0.3);
    background: linear-gradient(135deg, rgba(0,212,255,0.15), rgba(123,47,247,0.15));
}

.team-card h5 { font-weight: 700; margin-bottom: 4px; }
.team-card .role { color: var(--primary); font-size: 0.85rem; font-weight: 600; margin-bottom: 12px; }
.team-card p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; margin: 0; }

/* ── CONTACT SECTION ── */
.contact-section {
    padding: 100px 0;
    background: var(--dark);
    position: relative;
    overflow: hidden;
}

.contact-section::before {
    content: '';
    position: absolute;
    bottom: 0; right: 0;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(0,212,255,0.05) 0%, transparent 70%);
    pointer-events: none;
}

.contact-info-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 40px;
    height: 100%;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 28px;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--glass-border);
}

.contact-info-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.contact-info-icon {
    width: 48px; height: 48px;
    background: linear-gradient(135deg, rgba(0,212,255,0.15), rgba(123,47,247,0.15));
    border: 1px solid rgba(0,212,255,0.25);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.contact-info-text h6 {
    font-weight: 700;
    margin-bottom: 4px;
    color: white;
}

.contact-info-text p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
    line-height: 1.5;
}

/* ── CONTACT FORM ── */
.contact-form-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 40px;
    backdrop-filter: blur(20px);
}

.form-label-custom {
    font-size: 0.85rem;
    font-weight: 600;
    color: rgba(255,255,255,0.8);
    margin-bottom: 8px;
}

.form-control-custom {
    background: rgba(255,255,255,0.04) !important;
    border: 1px solid rgba(255,255,255,0.12) !important;
    border-radius: 12px !important;
    color: white !important;
    padding: 14px 18px !important;
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-control-custom::placeholder { color: rgba(255,255,255,0.3) !important; }

.form-control-custom:focus {
    border-color: rgba(0,212,255,0.5) !important;
    box-shadow: 0 0 0 3px rgba(0,212,255,0.1) !important;
    background: rgba(0,212,255,0.05) !important;
    outline: none !important;
}

.form-select-custom {
    background: rgba(255,255,255,0.04) !important;
    border: 1px solid rgba(255,255,255,0.12) !important;
    border-radius: 12px !important;
    color: white !important;
    padding: 14px 18px !important;
    font-size: 0.95rem;
    transition: var(--transition);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%2300d4ff' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e") !important;
}

.form-select-custom option { background: var(--dark-3); color: white; }

.form-select-custom:focus {
    border-color: rgba(0,212,255,0.5) !important;
    box-shadow: 0 0 0 3px rgba(0,212,255,0.1) !important;
    outline: none !important;
}

.btn-submit {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
    padding: 16px 40px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    color: white;
    width: 100%;
    transition: var(--transition);
    box-shadow: 0 8px 30px rgba(0,212,255,0.3);
    position: relative;
    overflow: hidden;
}

.btn-submit::before {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    width: 0; height: 0;
    background: rgba(255,255,255,0.15);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-submit:hover { transform: translateY(-3px); box-shadow: 0 16px 40px rgba(0,212,255,0.45); }
.btn-submit:active::before { width: 300px; height: 300px; }

.alert-success-custom {
    background: rgba(16,185,129,0.1);
    border: 1px solid rgba(16,185,129,0.3);
    border-radius: 12px;
    color: #6ee7b7;
    padding: 16px 20px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
}

/* ── FOOTER ── */
.footer-section {
    background: var(--dark-2);
    border-top: 1px solid var(--glass-border);
    padding: 60px 0 30px;
}

.footer-brand p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.65; margin-top: 12px; }

.footer-title { font-weight: 700; margin-bottom: 20px; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 1px; color: rgba(255,255,255,0.6); }

.footer-links { list-style: none; padding: 0; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: var(--text-muted); text-decoration: none; font-size: 0.9rem; transition: var(--transition); display: flex; align-items: center; gap: 8px; }
.footer-links a:hover { color: var(--primary); transform: translateX(4px); }

.footer-bottom {
    border-top: 1px solid var(--glass-border);
    padding-top: 24px;
    margin-top: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom p { color: var(--text-muted); font-size: 0.85rem; margin: 0; }

/* ── SCROLL TO TOP ── */
.scroll-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px; height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 999;
    box-shadow: 0 8px 25px rgba(0,212,255,0.4);
}

.scroll-top.visible { opacity: 1; transform: translateY(0); }
.scroll-top:hover { transform: translateY(-4px); box-shadow: 0 12px 35px rgba(0,212,255,0.6); }

/* ── KEYFRAMES ── */
@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 20px rgba(0,212,255,0.4); }
    50% { box-shadow: 0 0 40px rgba(0,212,255,0.8), 0 0 60px rgba(123,47,247,0.3); }
}

@keyframes float-orb {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(20px, -30px) scale(1.05); }
    66% { transform: translate(-15px, 20px) scale(0.95); }
}

@keyframes grid-drift {
    0% { transform: translate(0, 0); }
    100% { transform: translate(60px, 60px); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInRight {
    from { opacity: 0; transform: translateX(40px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

@keyframes spin-slow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ── ANIMATE ON SCROLL ── */
.aos-init {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.aos-animate {
    opacity: 1;
    transform: translateY(0);
}

/* ── VALIDATION STYLES ── */
.text-danger { color: #f87171 !important; font-size: 0.8rem; margin-top: 4px; }
.field-validation-error { color: #f87171; font-size: 0.8rem; }
.input-validation-error { border-color: rgba(248,113,113,0.5) !important; }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
    .hero-stats { gap: 24px; }
    .about-floating-card { display: none; }
    .contact-form-card, .contact-info-card { padding: 24px; }
    .service-card { padding: 24px; }
    .hero-device-mockup { margin-top: 40px; }
    .footer-bottom { flex-direction: column; text-align: center; }
}