/* ============================================
   ZAVE DIGITAL — Professional Website Styles
   Dark Theme | Modern | Mobile Responsive
   ============================================ */

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

/* Light theme (default / system preference) */
:root {
    --bg-primary: #f8f9fc;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: #f0f1f5;
    --text-primary: #1a1a2e;
    --text-secondary: #5a5a72;
    --text-muted: #8a8a9a;
    --accent: #6c5ce7;
    --accent-light: #a29bfe;
    --accent-glow: rgba(108, 92, 231, 0.25);
    --gradient: linear-gradient(135deg, #6c5ce7, #00cec9);
    --gradient-text: linear-gradient(135deg, #6c5ce7, #00cec9);
    --whatsapp: #25D366;
    --border: rgba(0,0,0,0.08);
    --border-light: rgba(0,0,0,0.12);
    --shadow: 0 8px 32px rgba(0,0,0,0.08);
    --shadow-lg: 0 16px 64px rgba(0,0,0,0.12);
    --radius: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark theme — auto when system prefers dark */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #0a0a0f;
        --bg-secondary: #111118;
        --bg-card: #16161f;
        --bg-card-hover: #1c1c28;
        --text-primary: #f0f0f5;
        --text-secondary: #a0a0b0;
        --text-muted: #6a6a7a;
        --border: rgba(255,255,255,0.06);
        --border-light: rgba(255,255,255,0.1);
        --accent-glow: rgba(108, 92, 231, 0.3);
        --shadow: 0 8px 32px rgba(0,0,0,0.4);
        --shadow-lg: 0 16px 64px rgba(0,0,0,0.6);
    }
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

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

img { max-width: 100%; display: block; }

a { text-decoration: none; color: inherit; transition: var(--transition); }

/* === UTILITY === */
.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient);
    color: #fff;
    box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-light);
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent-light);
}

.btn-whatsapp {
    background: var(--whatsapp);
    color: #fff;
    justify-content: center;
    font-size: 1.1rem;
    padding: 16px 32px;
}

.btn-whatsapp:hover {
    background: #1da851;
    transform: translateY(-2px);
}

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

/* === NAVBAR === */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(248, 249, 252, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 12px 0;
}
@media (prefers-color-scheme: dark) {
    .navbar.scrolled {
        background: rgba(10, 10, 15, 0.95);
    }
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo - Shield SVG */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.logo-shield {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    filter: drop-shadow(0 0 8px rgba(168,85,247,0.3));
}

.logo-text-wrap {
    display: flex;
    align-items: center;
}

.logo-zave {
    color: #c084fc;
}

.logo-digital {
    background: linear-gradient(90deg, #a855f7, #06b6d4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Hero Logo */
.hero-logo {
    margin-bottom: 24px;
    animation: logoFloat 6s ease-in-out infinite;
}

.hero-logo svg {
    filter: drop-shadow(0 0 40px rgba(168,85,247,0.3));
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: 36px;
}

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 4px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--text-primary);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-cta {
    background: var(--gradient);
    color: #fff;
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px var(--accent-glow);
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* === HERO === */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 120px 24px 80px;
    max-width: 1200px;
    margin: 0 auto;
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 0;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.3;
    animation: float 8s ease-in-out infinite;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: var(--accent);
    top: -100px;
    right: -100px;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: #00cec9;
    bottom: -100px;
    left: -100px;
    animation-delay: -3s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: #fd79a8;
    top: 50%;
    left: 50%;
    animation-delay: -5s;
    opacity: 0.15;
}

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

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(108, 92, 231, 0.1);
    border: 1px solid rgba(108, 92, 231, 0.3);
    padding: 8px 18px;
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--accent-light);
    margin-bottom: 28px;
    font-weight: 500;
}

.hero-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2.8rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -1.5px;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 36px;
    max-width: 560px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 56px;
}

.hero-stats {
    display: flex;
    gap: 48px;
}

.stat { text-align: left; }

.stat-number {
    display: block;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Floating Cards */
.hero-visual {
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY();
    z-index: 2;
}

.floating-card {
    position: absolute;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    font-size: 0.9rem;
    backdrop-filter: blur(10px);
    animation: floatCard 0s ease-in-out infinite;
    white-space: nowrap;
}

.floating-card i {
    font-size: 1.3rem;
    color: var(--accent-light);
}

.card-1 { top: -80px; right: 0; animation-delay: 0s; }
.card-2 { top: 20px; right: -60px; animation-delay: -2s; }
.card-3 { bottom: -60px; right: 20px; animation-delay: -4s; }

@keyframes floatCard {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

/* === SECTIONS COMMON === */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(108, 92, 231, 0.1);
    border: 1px solid rgba(108, 92, 231, 0.2);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.8rem;
    color: var(--accent-light);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.section-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 16px;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 24px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px;
    transition: var(--transition);
    position: relative;
}

.service-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(108, 92, 231, 0.3);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.service-card.featured {
    border-color: rgba(108, 92, 231, 0.4);
    background: linear-gradient(135deg, rgba(108, 92, 231, 0.05), transparent);
}

.service-tag {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--gradient);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.service-icon {
    width: 56px;
    height: 56px;
    background: rgba(108, 92, 231, 0.1);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--accent-light);
    margin-bottom: 20px;
}

.service-card h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.service-card > p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 20px;
    line-height: 1.7;
}

.service-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.service-features i {
    color: #00cec9;
    font-size: 0.8rem;
}

.service-price {
    margin-top: 18px;
    padding: 12px 16px;
    background: rgba(108, 92, 231, 0.12);
    border: 1px solid rgba(108, 92, 231, 0.25);
    border-radius: 10px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-align: center;
}

.service-price strong {
    color: var(--accent-light);
    font-size: 1.1rem;
    font-weight: 700;
}

.service-tag {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--gradient);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.service-card.featured {
    border-color: rgba(108, 92, 231, 0.4);
    box-shadow: 0 0 40px rgba(108, 92, 231, 0.15);
}

/* === WHY US === */
.why-us {
    padding: 100px 0;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.why-item {
    text-align: center;
    padding: 32px 24px;
}

.why-icon {
    width: 64px;
    height: 64px;
    background: rgba(108, 92, 231, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--accent-light);
    margin: 0 auto 20px;
}

.why-item h4 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.why-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* === ABOUT === */
.about {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 64px;
    align-items: center;
}

.about-content .section-tag { margin-bottom: 12px; }
.about-content .section-title { text-align: left; margin-bottom: 24px; }

.about-content p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-credentials {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.credential {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.credential i {
    color: var(--accent-light);
    width: 20px;
}

/* About Visual Card */
.about-visual {
    display: flex;
    justify-content: center;
}

.about-card {
    width: 280px;
    height: 340px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.about-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient);
    opacity: 0.05;
}

.about-card-inner {
    text-align: center;
    position: relative;
    z-index: 1;
}

.big-z {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 6rem;
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 16px;
}

.about-card-inner h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.about-card-inner p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* === CONTACT === */
.contact {
    padding: 100px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 48px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: rgba(108, 92, 231, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--accent-light);
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 2px;
}

.contact-item a, .contact-item span {
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 500;
}

.contact-item a:hover {
    color: var(--accent-light);
}

.contact-info .btn-whatsapp {
    margin-top: 12px;
}

/* Contact Form */
.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.15);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-group select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.form-note {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-top: 16px;
}

/* === FOOTER === */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 64px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 40px;
    margin-bottom: 48px;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 16px;
    line-height: 1.7;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-links a {
    display: block;
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding: 4px 0;
}

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

.footer-contact a,
.footer-contact span {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding: 4px 0;
}

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

.footer-contact i {
    width: 16px;
    color: var(--accent-light);
}

.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* === WHATSAPP FLOAT === */
.whatsapp-float {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 60px;
    height: 60px;
    background: var(--whatsapp);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: #fff;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition);
    animation: pulse 2s ease-in-out infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
    50% { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.6); }
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    .hero-visual { display: none; }
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10, 10, 15, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 24px;
        gap: 20px;
        border-bottom: 1px solid var(--border);
    }

    .nav-links.active { display: flex; }

    .nav-cta { display: none; }

    .hamburger { display: flex; }

    .hero { padding: 100px 20px 60px; }

    .hero-stats { gap: 24px; }

    .stat-number { font-size: 1.6rem; }

    .services-grid { grid-template-columns: 1fr; }

    .footer-grid { grid-template-columns: 1fr; gap: 32px; }

    .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }

    .why-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
    .hero-buttons { flex-direction: column; }
    .btn { justify-content: center; }
    .hero-stats { flex-direction: column; gap: 16px; }
    .why-grid { grid-template-columns: 1fr; }
    .contact-form { padding: 24px; }
}

/* ─── TESTIMONIALS ─── */
.testimonials {
    padding: 100px 0;
    background: var(--bg-dark);
    position: relative;
    overflow: hidden;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 36px;
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
}

.testimonial-card .stars {
    color: #f59e0b;
    font-size: 14px;
    margin-bottom: 16px;
}

.testimonial-text {
    color: var(--text-grey);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 24px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 14px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.testimonial-author strong {
    display: block;
    color: var(--text-light);
    font-size: 15px;
}

.testimonial-author span {
    color: var(--text-grey);
    font-size: 13px;
}

/* ─── PORTFOLIO ─── */
.portfolio {
    padding: 100px 0;
    background: var(--bg-darker);
    position: relative;
    overflow: hidden;
}

/* ─── PORTFOLIO FILTER TABS ─── */
.portfolio-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 40px;
}

.filter-btn {
    padding: 10px 22px;
    border-radius: 50px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-grey);
    font-size: 14px;
    font-weight: 500;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    border-color: var(--primary);
    color: var(--text-light);
    background: rgba(168,85,247,0.1);
}

.filter-btn.active {
    background: linear-gradient(135deg, #a855f7, #06b6d4);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 20px rgba(168,85,247,0.3);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.portfolio-grid-hide {
    display: none !important;
}

.portfolio-item {
    position: relative;
    border-radius: 18px;
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
    background: var(--bg-card);
    border: 1px solid var(--border);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.portfolio-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(168,85,247,0.2);
}

.portfolio-thumb {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: var(--accent);
    background: linear-gradient(135deg, rgba(0,170,255,0.1), rgba(0,120,215,0.1));
    overflow: hidden;
}
.portfolio-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.85);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 24px;
    opacity: 0;
    transition: all 0.3s ease;
    text-align: center;
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-overlay h4 {
    color: var(--text-light);
    font-size: 18px;
    margin-bottom: 8px;
}

.portfolio-overlay p {
    color: var(--text-grey);
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 12px;
}

.portfolio-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(0,170,255,0.2);
    color: var(--accent);
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
}

/* ─── PRIVACY POLICY ─── */
.privacy {
    padding: 80px 0;
    background: var(--bg-dark);
    position: relative;
    overflow: hidden;
}

.privacy-content {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.privacy-block {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 30px 36px;
}

.privacy-block h3 {
    color: var(--text-light);
    font-size: 18px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.privacy-block h3 i {
    color: var(--accent);
}

.privacy-block p {
    color: var(--text-grey);
    font-size: 15px;
    line-height: 1.7;
}

/* ─── BUDGET SERVICE CARDS ─── */
.service-card.budget {
    border: 1px solid rgba(34, 197, 94, 0.2);
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.03) 0%, rgba(6, 182, 212, 0.03) 100%);
}

.service-card.budget:hover {
    border-color: rgba(34, 197, 94, 0.5);
    box-shadow: 0 8px 30px rgba(34, 197, 94, 0.15);
}

.service-card.budget .service-icon {
    background: linear-gradient(135deg, #22c55e, #06b6d4);
}

.budget-tag {
    background: linear-gradient(135deg, #22c55e, #16a34a) !important;
    color: white !important;
    font-size: 11px !important;
    padding: 3px 10px !important;
    border-radius: 20px !important;
    position: absolute !important;
    top: 12px !important;
    right: 12px !important;
    font-weight: 600 !important;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ─── MID-RANGE SERVICE CARDS ─── */
.service-card.mid {
    border: 1px solid rgba(6, 182, 212, 0.2);
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.03) 0%, rgba(168, 85, 247, 0.03) 100%);
}

.service-card.mid:hover {
    border-color: rgba(6, 182, 212, 0.5);
    box-shadow: 0 8px 30px rgba(6, 182, 212, 0.15);
}

.service-card.mid .service-icon {
    background: linear-gradient(135deg, #06b6d4, #a855f7);
}

.mid-tag {
    background: linear-gradient(135deg, #06b6d4, #a855f7) !important;
    color: white !important;
    font-size: 11px !important;
    padding: 3px 10px !important;
    border-radius: 20px !important;
    position: absolute !important;
    top: 12px !important;
    right: 12px !important;
    font-weight: 600 !important;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ─── PREMIUM / HIGH DEMAND SERVICE CARDS ─── */
.service-card.premium {
    border: 1px solid rgba(251, 191, 36, 0.25);
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.04) 0%, rgba(251, 146, 60, 0.04) 100%);
}

.service-card.premium:hover {
    border-color: rgba(251, 191, 36, 0.5);
    box-shadow: 0 8px 30px rgba(251, 191, 36, 0.15);
}

.service-card.premium .service-icon {
    background: linear-gradient(135deg, #fbbf24, #f97316);
}

.premium-tag {
    background: linear-gradient(135deg, #fbbf24, #f97316) !important;
    color: #1a1a1a !important;
    font-size: 11px !important;
    padding: 3px 10px !important;
    border-radius: 20px !important;
    position: absolute !important;
    top: 12px !important;
    right: 12px !important;
    font-weight: 700 !important;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ─── TESTIMONIALS / PORTFOLIO / RESPONSIVE ─── */
@media (max-width: 968px) {
    .testimonials-grid { grid-template-columns: 1fr 1fr; }
    .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .testimonials-grid { grid-template-columns: 1fr; }
    .portfolio-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
    .portfolio-grid { grid-template-columns: 1fr; }
    .privacy-block { padding: 20px; }
}

/* ============================================
   CATEGORY FILTER TABS
   ============================================ */
.category-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 40px;
    padding: 4px;
}

.filter-btn {
    padding: 10px 20px;
    border-radius: 50px;
    border: 1px solid var(--border-light);
    background: var(--bg-card);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.filter-btn i {
    font-size: 0.9rem;
}

.filter-btn:hover {
    border-color: var(--accent);
    color: var(--accent-light);
    background: rgba(108, 92, 231, 0.08);
}

.filter-btn.active {
    background: var(--gradient);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 16px rgba(108, 92, 231, 0.3);
}

/* Service card category animation */
.service-card {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-card.category-hidden {
    display: none;
}

.service-card.category-shown {
    animation: categoryFadeIn 0.4s ease forwards;
}

@keyframes categoryFadeIn {
    from {
        opacity: 0;
        transform: translateY(12px) scale(0.97);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Portfolio CTA */
.portfolio-cta {
    text-align: center;
    margin-top: 40px;
}

/* Gallery link on portfolio items */
.portfolio-item {
    text-decoration: none;
    color: inherit;
    display: block;
}

/* Mobile filter */
@media (max-width: 768px) {
    .category-filter {
        gap: 6px;
        margin-bottom: 30px;
    }
    .filter-btn {
        padding: 8px 14px;
        font-size: 0.75rem;
    }
    .filter-btn span {
        display: none;
    }
}

/* Budget / Mid / Premium card tags */
.budget-card {
    border-color: rgba(37, 211, 102, 0.25);
}
.budget-card:hover {
    border-color: rgba(37, 211, 102, 0.5);
    box-shadow: 0 8px 32px rgba(37, 211, 102, 0.1);
}
.mid-card {
    border-color: rgba(108, 92, 231, 0.25);
}
.mid-card:hover {
    border-color: rgba(108, 92, 231, 0.5);
    box-shadow: 0 8px 32px rgba(108, 92, 231, 0.1);
}
.premium-card {
    border-color: rgba(255, 193, 7, 0.25);
}
.premium-card:hover {
    border-color: rgba(255, 193, 7, 0.5);
    box-shadow: 0 8px 32px rgba(255, 193, 7, 0.1);
}

/* Service terms note under price */
.service-terms {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 6px;
    line-height: 1.4;
}