:root {
    --primary-color: #4361ee;
    --secondary-color: #3a0ca3;
    --accent-color: #f72585;
    --kaywat-color: #4361ee;
    --codes-color: #f72585;
    --background-color: #0a0a0c;
    --header-bg: rgba(18, 18, 20, 0.8);
    --card-bg: #18181b;
    --text-color: #f0f0f5;
    --text-light: #a0a0b0;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: var(--header-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--glass-border);
    padding: 15px 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 22px;
    font-weight: 700;
    text-decoration: none;
    background-color: #000;
    padding: 6px 14px;
    border: 1px solid #333;
    border-radius: 6px;
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
}

.logo-icon {
    color: #FFD700;
    font-size: 26px;
    filter: drop-shadow(0 0 5px rgba(255, 215, 0, 0.3));
}

.brand-kaywat {
    color: var(--kaywat-color);
}

.brand-space {
    display: inline-block;
    width: 3px;
}

.brand-codes {
    color: var(--codes-color);
}

.btn {
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(67, 97, 238, 0.4);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-color);
}

.btn-outline:hover {
    background: var(--glass-bg);
    border-color: var(--primary-color);
}

/* Hero Section */
.hero {
    padding: 180px 0 100px;
    text-align: center;
    background: radial-gradient(circle at top right, rgba(67, 97, 238, 0.1), transparent),
                radial-gradient(circle at bottom left, rgba(247, 37, 133, 0.03), transparent);
}

.badge-new {
    background: rgba(67, 97, 238, 0.15);
    color: var(--primary-color);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 20px;
    display: inline-block;
    border: 1px solid rgba(67, 97, 238, 0.2);
}

/* Split Hero Layout */
.hero-split .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-align: left;
    gap: 80px;
}

.hero-split .hero-content {
    flex: 1.2;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.hero-split .mockup-container {
    flex: 0.8;
    margin-top: 0;
    display: flex;
    justify-content: flex-end;
}

.hero-split .hero-btns {
    justify-content: flex-start;
}

.hero-split .glaze-container {
    justify-content: flex-start;
    margin: 30px 0 0 0;
}

@media (max-width: 992px) {
    .hero-split .container {
        flex-direction: column;
        text-align: center;
        gap: 40px;
    }
    
    .hero-split .hero-content {
        align-items: center;
    }
    
    .hero-split .mockup-container {
        justify-content: center;
    }
    
    .hero-split .hero-btns,
    .hero-split .glaze-container {
        justify-content: center;
    }
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #fff 0%, var(--primary-color) 50%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.1;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto 40px;
}

/* Glaze Button (Raycast style) */
.glaze-container {
    margin-top: 30px;
    display: flex;
    justify-content: center;
}

.glaze-button {
    display: inline-flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 100px;
    padding: 8px 6px 8px 20px;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
    box-shadow: 0 0 0 rgba(67, 97, 238, 0);
}

.glaze-button:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(67, 97, 238, 0.4);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -10px rgba(67, 97, 238, 0.5);
}

.glaze-text {
    color: #fff;
    font-size: 0.95rem;
    font-weight: 500;
    margin-right: 15px;
}

.glaze-divider {
    width: 1px;
    height: 16px;
    background: rgba(255, 255, 255, 0.1);
    margin-right: 15px;
}

.glaze-cta {
    color: var(--text-light);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.glaze-button:hover .glaze-cta {
    color: var(--primary-color);
}

.glaze-cta i {
    font-size: 0.8rem;
    transition: transform 0.3s ease;
}

.glaze-button:hover .glaze-cta i {
    transform: translateX(4px);
}

.mockup-container {
    margin-top: 60px;
    position: relative;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1000px;
}

.mockup-img {
    width: 100%;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

/* Section Title */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: #fff;
}

.section-header p {
    color: var(--text-light);
    font-size: 1.1rem;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 80px;
}

.feature-card {
    padding: 40px;
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--primary-color);
    box-shadow: var(--shadow);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: rgba(67, 97, 238, 0.15);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    font-size: 1.5rem;
    margin-bottom: 20px;
    border: 1px solid rgba(67, 97, 238, 0.2);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #fff;
}

.feature-card p {
    color: var(--text-light);
}

/* Mockup Frames (Pure CSS Premium) */

/* Phone Mockup */
.phone-mockup-css {
    width: 250px;
    height: 500px;
    background: #1a1a1a;
    border: 8px solid #333;
    border-radius: 40px;
    position: relative;
    box-shadow: 0 30px 60px rgba(0,0,0,0.6), inset 0 0 10px rgba(255,255,255,0.1);
    overflow: hidden;
}

.phone-mockup-css .screen {
    width: 100%;
    height: 100%;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.phone-mockup-css .dynamic-island {
    position: absolute;
    top: 15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 18px;
    background: #000;
    border-radius: 10px;
    z-index: 10;
}

/* Laptop + Phone Combo */
.combo-mockup {
    position: relative;
    width: 800px;
    height: 450px;
    display: flex;
    justify-content: center;
    align-items: flex-end;
}

.laptop-css {
    width: 600px;
    height: 380px;
    background: #222;
    border: 12px solid #333;
    border-radius: 20px 20px 0 0;
    position: relative;
    box-shadow: 0 40px 80px rgba(0,0,0,0.5);
}

.laptop-css .screen {
    width: 100%;
    height: 100%;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.laptop-base-css {
    position: absolute;
    bottom: -15px;
    left: -40px;
    width: 680px;
    height: 15px;
    background: linear-gradient(to bottom, #333, #111);
    border-radius: 2px 2px 10px 10px;
}

.phone-overlay-css {
    position: absolute;
    left: 50px;
    bottom: -20px;
    width: 160px;
    height: 320px;
    background: #1a1a1a;
    border: 6px solid #333;
    border-radius: 30px;
    box-shadow: 10px 20px 50px rgba(0,0,0,0.8);
    z-index: 20;
    overflow: hidden;
    transform: rotate(-2deg);
}

.phone-overlay-css .screen {
    width: 100%;
    height: 100%;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Logos inside screens */
.mockup-container img.app-logo {
    width: 40%;
    height: auto;
    border-radius: 22%;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
    filter: drop-shadow(0 0 15px rgba(67, 97, 238, 0.4));
}

.laptop-css img.app-logo {
    width: 120px;
}

.phone-overlay-css img.app-logo {
    width: 60px;
}

.phone-mockup-css img.app-logo {
    width: 100px;
}

.extension-mockup {
    padding: 60px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: 32px;
    backdrop-filter: blur(10px);
}

.extension-mockup img.extension-logo {
    width: 180px;
    height: 180px;
    filter: drop-shadow(0 20px 40px rgba(0,0,0,0.4));
}

/* FAQ */
.faq-section {
    padding: 100px 0;
    background: rgba(255, 255, 255, 0.01);
}

.faq-item {
    background: var(--card-bg);
    margin-bottom: 15px;
    border-radius: 16px;
    border: 1px solid var(--glass-border);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: rgba(67, 97, 238, 0.3);
}

.faq-question {
    padding: 24px;
    cursor: pointer;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #fff;
    font-size: 1.1rem;
}

.faq-answer {
    padding: 0 24px 24px;
    color: var(--text-light);
    display: none;
    border-top: 1px solid var(--glass-border);
    padding-top: 20px;
    margin-top: -1px;
}

/* Footer */
footer {
    padding: 80px 0 40px;
    background: #050507;
    border-top: 1px solid var(--glass-border);
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 60px;
}

@media (max-width: 992px) {
    .footer-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .footer-container {
        grid-template-columns: 1fr;
    }
}

.footer-logo {
    font-weight: 700;
    font-size: 1.8rem;
    margin-bottom: 20px;
    display: block;
    text-decoration: none;
}

.footer-section h3 {
    font-size: 1.2rem;
    color: #fff;
    margin-bottom: 20px;
}

.footer-section p {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.05);
    color: white;
    font-size: 1.1rem;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-link:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-3px);
    color: white;
}

.newsletter-form {
    margin-top: 15px;
}

.newsletter-input {
    width: 100%;
    padding: 12px 15px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    color: #fff;
    margin-bottom: 15px;
    outline: none;
    transition: var(--transition);
}

.newsletter-input:focus {
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.06);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
}

/* Waitlist Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.is-active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 40px;
    max-width: 500px;
    width: 90%;
    position: relative;
    transform: translateY(20px);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-align: center;
}

.modal-overlay.is-active .modal-content {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    color: #fff;
    transform: rotate(90deg);
}

.modal-header h3 {
    font-size: 1.8rem;
    color: #fff;
    margin-bottom: 10px;
}

.modal-header p {
    color: var(--text-light);
    margin-bottom: 30px;
}

.waitlist-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.input-group {
    position: relative;
}

.waitlist-input {
    width: 100%;
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    color: #fff;
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
}

.waitlist-input:focus {
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.06);
    box-shadow: 0 0 20px rgba(67, 97, 238, 0.15);
}

.btn-submit {
    width: 100%;
    justify-content: center;
    padding: 16px;
    font-size: 1.05rem;
}

.copyright {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid var(--glass-border);
    color: var(--text-light);
    opacity: 0.6;
    font-size: 0.9rem;
}

/* Testimonials Section */
.testimonials-section {
    padding: 80px 0;
    position: relative;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 30px;
    transition: var(--transition);
}

.testimonial-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

.testimonial-text {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-white);
    margin-bottom: 25px;
    font-weight: 500;
}

.testimonial-text strong {
    color: #fff;
    font-weight: 700;
}

.testimonial-user {
    display: flex;
    align-items: center;
    gap: 15px;
}

.testimonial-avatar {
    width: 44px;
    height: 44px;
    border-radius: 6px;
    background: #2a2a2a;
    overflow: hidden;
}

.testimonial-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.testimonial-user-info h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 2px;
}

.testimonial-user-info p {
    font-size: 0.8rem;
    color: var(--text-light);
    margin: 0;
}

/* Responsive */
@media (max-width: 768px) {
    h1 { font-size: 2.8rem; }
    .hero { padding-top: 140px; }
    .feature-card { padding: 30px; }
}

/* Simple but Powerful Section */
.simple-powerful-section {
    padding: 100px 0;
    background: linear-gradient(to bottom, transparent, rgba(67, 97, 238, 0.02));
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 350px;
    gap: 24px;
    margin: 60px auto 0;
    max-width: 1200px;
    width: 100%;
}

.bento-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 32px;
    padding: 35px;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.bento-card:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--primary-color);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.bento-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: #fff;
    margin-top: 0;
}

.bento-card p {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.5;
    margin: 0;
}

/* Layout Variants */
.bento-card.span-2 { grid-column: span 2; }
.bento-card.row-2 { grid-row: span 2; }
.bento-card.span-3 { grid-column: span 3; }

/* Bento Media Content */
.bento-media {
    margin-top: 20px;
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.bento-media i {
    font-size: 4rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 10px 20px rgba(67, 97, 238, 0.3));
}

.bento-list {
    list-style: none;
    padding: 0;
    margin: 25px 0 0 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px 24px;
}

.bento-list li {
    font-size: 1.1rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.85);
    display: flex;
    align-items: center;
    gap: 10px;
}

.bento-list li::before {
    content: "✦";
    color: var(--primary-color);
    font-size: 0.8rem;
}

.bento-list li.dimmed {
    color: rgba(255, 255, 255, 0.4);
    font-weight: 400;
}

.bento-mockup-mini {
    width: 100%;
    max-width: 140px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
    transform: translateY(15px);
}

@media (max-width: 1100px) {
    .bento-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: minmax(250px, auto);
    }
    .bento-card.span-3 { grid-column: span 2; }
}

@media (max-width: 768px) {
    .bento-grid {
        grid-template-columns: 1fr;
    }
    .bento-card.span-2, .bento-card.span-3 { grid-column: span 1; }
    .bento-list {
        grid-template-columns: 1fr;
    }
}

/* About Developer Section */
.about-dev-section {
    padding: 80px 0;
    background: linear-gradient(to bottom, rgba(67, 97, 238, 0.02), transparent);
}

.about-dev-card {
    background: #1a1614;
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 40px;
    padding: 60px;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    overflow: hidden;
    max-width: 1200px;
    margin: 0 auto;
}

.about-dev-content h2 {
    font-size: 2.5rem;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 15px;
    color: #fff;
}

.about-dev-content p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    margin-bottom: 30px;
}

.about-dev-info {
    display: flex;
    gap: 40px;
    margin-top: 40px;
}

.dev-avatar-group {
    display: flex;
    align-items: center;
    gap: 15px;
}

.dev-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 2px solid var(--primary-color);
    padding: 2px;
}

.dev-meta h4 {
    font-size: 1.1rem;
    margin: 0;
    color: #fff;
}

.dev-meta p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.4);
    margin: 0;
}

.about-dev-visual {
    position: relative;
    display: flex;
    justify-content: center;
}

.avatar-collage {
    position: relative;
    width: 320px;
    height: 320px;
}

.collage-img {
    position: absolute;
    border-radius: 50%;
    border: 8px solid #1a1614;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    background: #111;
    object-fit: cover;
}

.collage-img.main { width: 220px; height: 220px; top: 0; left: 0; z-index: 2; }
.collage-img.sub { width: 160px; height: 160px; bottom: 0; right: 0; z-index: 1; }

/* Behind the Scenes Section */
.bts-section {
    padding: 100px 0;
    text-align: center;
}

.bts-section h2 {
    font-size: 3rem;
    margin-bottom: 20px;
    color: #fff;
}

.bts-section .subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 60px;
}

.bts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.bts-card {
    background: #151210;
    border-radius: 40px;
    padding: 40px;
    text-align: left;
    border: 1px solid rgba(255, 255, 255, 0.03);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.bts-card:hover {
    transform: translateY(-12px);
    background: #1a1715;
    border-color: rgba(255, 255, 255, 0.1);
}

.bts-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.bts-platform {
    display: flex;
    align-items: center;
    gap: 15px;
}

.bts-platform i {
    font-size: 2.8rem;
}

.bts-platform i.fa-youtube { color: #ff0000; }
.bts-platform i.fa-instagram { color: #e1306c; }

.bts-previews {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-bottom: 25px;
}

.bts-thumb {
    width: 100%;
    aspect-ratio: 16/9;
    background: linear-gradient(135deg, #222, #111);
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
}

.bts-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.5;
    transition: all 0.4s ease;
}

.bts-card:hover .bts-thumb img {
    opacity: 0.9;
    transform: scale(1.05);
}

.bts-thumb i {
    position: absolute;
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.3);
    z-index: 1;
}

.bts-card h3 { margin: 0; font-size: 1.6rem; color: #fff; }
.bts-card p { margin: 5px 0 0 0; color: rgba(255,255,255,0.4); font-size: 1rem; }

@media (max-width: 1100px) {
    .about-dev-card {
        grid-template-columns: 1fr;
        padding: 40px;
        text-align: center;
        gap: 40px;
    }
    .about-dev-content h2 { justify-content: center; }
    .about-dev-info { justify-content: center; flex-direction: column; gap: 20px; align-items: center; }
    .bts-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .about-dev-content h2 { font-size: 2rem; }
    .avatar-collage { width: 260px; height: 260px; }
    .collage-img.main { width: 170px; height: 170px; }
    .collage-img.sub { width: 120px; height: 120px; }
    .bts-section h2 { font-size: 2.2rem; }
}