/* ============================================================
   ZERO WORKS — PROFESSIONAL INTERFACE
   ============================================================ */

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

:root {
    --red: #e63946;
    --red-hover: #ff2d3b;
    --red-soft: rgba(230, 57, 70, 0.12);
    --red-glow: rgba(230, 57, 70, 0.25);
    --black: #000000;
    --bg: #060606;
    --surface: #0d0d0d;
    --card: #111111;
    --card-hover: #151515;
    --border: #1c1c1c;
    --border-light: #252525;
    --text: #f5f5f5;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
    --shadow: 0 4px 20px rgba(0,0,0,0.4);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.5);
    --transition: 0.2s ease;
    --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

body {
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }
button { font-family: inherit; }

.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* --- HEADER --- */
header {
    background: rgba(6, 6, 6, 0.85);
    backdrop-filter: blur(20px) saturate(1.5);
    -webkit-backdrop-filter: blur(20px) saturate(1.5);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--border);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    transition: opacity var(--transition);
}

.logo-link:hover { opacity: 0.85; }

.logo-img {
    height: 32px;
    max-height: 32px;
    max-width: 160px;
    width: auto;
    object-fit: contain;
    display: block;
}

.logo-text {
    font-size: 0.95rem;
    font-weight: 800;
    letter-spacing: 2.5px;
    color: var(--text);
}

nav { display: flex; align-items: center; gap: 0.25rem; }

nav a {
    padding: 0.4rem 0.9rem;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: 6px;
    transition: all var(--transition);
    letter-spacing: 0.2px;
}

nav a:hover { color: var(--text); background: rgba(255,255,255,0.04); }
nav a.active { color: var(--red); background: var(--red-soft); }

/* --- HERO --- */
.hero {
    background: var(--black);
    text-align: center;
    padding: 7rem 2rem 5.5rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(ellipse, rgba(230,57,70,0.08) 0%, transparent 65%);
    pointer-events: none;
}

.hero::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--red-glow), transparent);
}

.hero-inner { position: relative; z-index: 1; max-width: 600px; margin: 0 auto; }

.hero-logo {
    height: 64px;
    max-width: 240px;
    width: auto;
    object-fit: contain;
    margin: 0 auto 2rem;
    display: block;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--red-soft);
    color: var(--red);
    padding: 0.35rem 0.9rem;
    border-radius: 20px;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 1.8px;
    margin-bottom: 2rem;
    border: 1px solid rgba(230,57,70,0.2);
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.2rem;
    letter-spacing: -1.5px;
    background: linear-gradient(180deg, #ffffff 30%, #999999 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

/* --- PAGE HERO --- */
.page-hero {
    background: var(--black);
    text-align: center;
    padding: 3.5rem 2rem 2.5rem;
    border-bottom: 1px solid var(--border);
}

.page-hero h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
    letter-spacing: -0.5px;
}

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

/* --- BUTTONS --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.7rem 1.6rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    text-align: center;
    letter-spacing: 0.2px;
}

.btn-primary {
    background: var(--red);
    color: white;
    box-shadow: 0 2px 12px rgba(230,57,70,0.2);
}

.btn-primary:hover {
    background: var(--red-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(230,57,70,0.35);
}

.btn-primary:active {
    transform: translateY(0);
}

.buy-btn {
    display: flex;
    width: 100%;
    margin-top: 0.8rem;
    background: var(--red);
    color: white;
    padding: 0.65rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    transition: all var(--transition);
    border: none;
    cursor: pointer;
    text-align: center;
    justify-content: center;
}

.buy-btn:hover {
    background: var(--red-hover);
    box-shadow: 0 4px 15px rgba(230,57,70,0.3);
}

/* --- TRUST BAR --- */
.trust-bar {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
}

.trust-container {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 0.2px;
}

.trust-icon { font-size: 0.9rem; }

/* --- SECTIONS --- */
.section {
    padding: 4rem 0;
}

.section-dark {
    background: var(--surface);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.section-header h2 {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: -0.3px;
}

.section-title {
    text-align: center;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 2.5rem;
    letter-spacing: -0.3px;
}

/* --- SORT BAR --- */
.sort-bar {
    display: flex;
    gap: 0.3rem;
    background: var(--surface);
    padding: 0.25rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}

.sort-btn {
    padding: 0.4rem 0.9rem;
    border: none;
    background: transparent;
    color: var(--text-muted);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: 500;
    transition: all var(--transition);
    letter-spacing: 0.1px;
}

.sort-btn:hover {
    color: var(--text-secondary);
    background: rgba(255,255,255,0.03);
}

.sort-btn.active {
    background: var(--red);
    color: white;
    box-shadow: 0 2px 8px rgba(230,57,70,0.25);
}

/* --- PRODUCT GRID --- */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
}

/* --- PRODUCT CARD --- */
.product-card {
    background: var(--card);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: all var(--transition-slow);
    cursor: pointer;
    opacity: 0;
    animation: cardIn 0.4s ease forwards;
}

.product-card:nth-child(1) { animation-delay: 0s; }
.product-card:nth-child(2) { animation-delay: 0.06s; }
.product-card:nth-child(3) { animation-delay: 0.12s; }
.product-card:nth-child(4) { animation-delay: 0.18s; }
.product-card:nth-child(5) { animation-delay: 0.24s; }
.product-card:nth-child(6) { animation-delay: 0.3s; }

@keyframes cardIn {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

.product-card:hover {
    border-color: var(--border-light);
    background: var(--card-hover);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.product-card img {
    width: 100%;
    height: 190px;
    object-fit: cover;
    border-bottom: 1px solid var(--border);
    transition: transform var(--transition-slow);
}

.product-card:hover img {
    transform: scale(1.02);
}

.product-info {
    padding: 1.1rem 1.2rem 1.2rem;
}

.product-info h3 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.3rem;
    letter-spacing: -0.2px;
}

.product-info p {
    color: var(--text-muted);
    font-size: 0.82rem;
    margin-bottom: 0.7rem;
    line-height: 1.5;
}

.product-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.price {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--red);
    letter-spacing: -0.3px;
}

/* --- HOW IT WORKS --- */
.steps {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0;
    max-width: 820px;
    margin: 0 auto;
}

.step {
    flex: 1;
    text-align: center;
    padding: 2rem 1.2rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--card);
    transition: all var(--transition-slow);
}

.step:hover {
    border-color: var(--border-light);
    background: var(--card-hover);
    transform: translateY(-3px);
}

.step-number {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--red);
    margin-bottom: 0.8rem;
    opacity: 0.7;
}

.step h3 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.3rem;
    letter-spacing: -0.1px;
}

.step p {
    color: var(--text-muted);
    font-size: 0.78rem;
    line-height: 1.5;
}

.step-line {
    width: 32px;
    height: 1px;
    background: var(--border);
    flex-shrink: 0;
}

/* --- CONTACT --- */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 880px;
    margin: 0 auto;
}

.contact-info h3,
.contact-form-wrapper h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1.2rem;
    letter-spacing: -0.2px;
}

.faq-item {
    margin-bottom: 0.8rem;
    padding: 1rem 1.1rem;
    background: var(--card);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    transition: border-color var(--transition);
}

.faq-item:hover { border-color: var(--border-light); }

.faq-item h4 {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.faq-item p {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
    padding: 0.75rem 0.9rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-family: inherit;
    background: var(--card);
    color: var(--text);
    transition: all var(--transition);
    -webkit-appearance: none;
}

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

.contact-form select { color: var(--text-muted); }

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
    outline: none;
    border-color: var(--red);
    box-shadow: 0 0 0 3px var(--red-soft);
}

.success-msg {
    text-align: center;
    padding: 2rem;
}

.success-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--red);
    color: white;
    border-radius: 50%;
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
}

.success-msg h3 { margin-bottom: 0.3rem; font-size: 1rem; }
.success-msg p { color: var(--text-muted); font-size: 0.85rem; }

/* --- THANK YOU PAGE --- */
.thankyou-section {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 60vh;
    padding: 3rem 2rem;
}

.thankyou-box {
    text-align: center;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 3rem 2.5rem;
    max-width: 460px;
    width: 100%;
}

.thankyou-icon {
    width: 60px;
    height: 60px;
    background: var(--red);
    color: white;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    font-weight: bold;
    margin-bottom: 1.5rem;
    animation: popIn 0.5s ease;
}

@keyframes popIn {
    0% { transform: scale(0); }
    70% { transform: scale(1.12); }
    100% { transform: scale(1); }
}

.thankyou-box h1 {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
    letter-spacing: -0.3px;
}

.thankyou-box > p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 0.9rem;
}

.download-btn {
    display: block;
    padding: 0.9rem 2rem;
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

.thankyou-details {
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

.thankyou-details p {
    color: var(--text-muted);
    font-size: 0.82rem;
}

.thankyou-details a { color: var(--red); }

/* --- FOOTER --- */
footer {
    background: var(--black);
    padding: 2.5rem 0 1.5rem;
    border-top: 1px solid var(--border);
}

.footer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.2rem;
}

.footer-brand { text-align: center; }

.footer-logo {
    height: 28px;
    max-width: 140px;
    width: auto;
    object-fit: contain;
    margin: 0 auto 0.4rem;
    opacity: 0.7;
}

.footer-tagline {
    color: var(--text-muted);
    font-size: 0.78rem;
}

.footer-links { display: flex; gap: 1.5rem; }

.footer-links a {
    color: var(--text-muted);
    font-size: 0.8rem;
    transition: color var(--transition);
}

.footer-links a:hover { color: var(--text-secondary); }

.footer-bottom {
    text-align: center;
    padding-top: 1.2rem;
    border-top: 1px solid var(--border);
    width: 100%;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.75rem;
    margin-bottom: 0.2rem;
}

.footer-payments {
    color: var(--text-muted);
    font-size: 0.7rem;
}

.footer-payments span { color: var(--text-secondary); }

/* --- UTILITY --- */
.hidden { display: none !important; }

/* --- REVIEWS & RATINGS --- */
.reviews-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2.5rem;
    align-items: start;
}

.reviews-list {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.reviews-summary {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1rem 1.2rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-bottom: 0.4rem;
}

.avg-rating {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -1px;
}

.avg-stars {
    font-size: 1.1rem;
    color: #f5a623;
    letter-spacing: 1px;
}

.avg-count {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-left: auto;
}

.review-card {
    padding: 1rem 1.2rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition);
}

.review-card:hover { border-color: var(--border-light); }

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.3rem;
}

.review-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text);
}

.review-date {
    font-size: 0.72rem;
    color: var(--text-muted);
}

.review-stars {
    color: #f5a623;
    font-size: 0.85rem;
    margin-bottom: 0.4rem;
    letter-spacing: 1px;
}

.review-text {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* --- REVIEW FORM --- */
.review-form-wrapper {
    position: sticky;
    top: 80px;
}

.review-form-wrapper h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.review-form {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.review-form input,
.review-form textarea {
    padding: 0.75rem 0.9rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-family: inherit;
    background: var(--card);
    color: var(--text);
    transition: all var(--transition);
}

.review-form input::placeholder,
.review-form textarea::placeholder {
    color: var(--text-muted);
}

.review-form input:focus,
.review-form textarea:focus {
    outline: none;
    border-color: var(--red);
    box-shadow: 0 0 0 3px var(--red-soft);
}

/* --- STAR RATING INPUT --- */
.star-rating {
    display: flex;
    gap: 0.3rem;
    padding: 0.5rem 0;
}

.star {
    font-size: 1.6rem;
    color: #333;
    cursor: pointer;
    transition: all 0.15s;
    user-select: none;
}

.star:hover,
.star.hover {
    color: #f5a623;
    transform: scale(1.15);
}

.star.active {
    color: #f5a623;
}

@media (max-width: 768px) {
    .reviews-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .review-form-wrapper {
        position: static;
    }
}

/* --- SCROLLBAR --- */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #2a2a2a; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--red); }

/* --- SELECTION --- */
::selection { background: var(--red); color: white; }

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
    .header-container {
        height: auto;
        padding: 0.8rem 0;
        flex-direction: column;
        gap: 0.6rem;
    }
    .hero { padding: 4.5rem 1.5rem 3.5rem; }
    .hero h1 { font-size: 2rem; }
    .section-header { flex-direction: column; align-items: flex-start; }
    .product-grid { grid-template-columns: 1fr; }
    .steps { flex-direction: column; gap: 0.8rem; }
    .step-line { width: 1px; height: 16px; margin: 0 auto; }
    .contact-container { grid-template-columns: 1fr; gap: 2rem; }
    .trust-container { gap: 0.8rem; }
    .sort-bar { flex-wrap: wrap; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 1.7rem; }
    .container { padding: 0 1rem; }
    nav a { padding: 0.35rem 0.6rem; font-size: 0.78rem; }
}