/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Algerian-inspired color palette */
    --primary-color: #006233;    /* Green from Algerian flag */
    --secondary-color: #D52B1E;  /* Red from Algerian flag */
    --gold-color: #D4AF37;       /* Gold accent */
    --dark-bg: #1a1a1a;
    --light-bg: #f8f8f8;
    --text-dark: #333;
    --text-light: #666;
    --white: #ffffff;
    
    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Poppins', sans-serif;
    
    /* Spacing */
    --section-padding: 100px 0;
}

html {
    scroll-behavior: smooth;
}

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

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.95), rgba(212, 175, 55, 0.15));
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 20px 0;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.navbar.scrolled {
    padding: 15px 0;
    box-shadow: 0 2px 20px rgba(212, 175, 55, 0.2);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
    margin: 0;
}

.nav-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 400;
    font-size: 0.95rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold-color);
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link:hover {
    color: var(--gold-color);
}

.nav-social {
    display: flex;
    align-items: center;
    gap: 15px;
}

.nav-social-link {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: all 0.3s ease;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
}

.nav-social-link:hover {
    color: var(--gold-color);
    background: rgba(212, 175, 55, 0.2);
    transform: translateY(-3px);
}

.nav-social-link svg {
    width: 18px;
    height: 18px;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--white);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #000000;
    overflow: hidden;
    padding: 120px 20px 100px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.floating-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
    animation: float 20s infinite ease-in-out;
}

.shape1 {
    width: 500px;
    height: 500px;
    background: var(--primary-color);
    top: -200px;
    left: -200px;
    animation-delay: 0s;
}

.shape2 {
    width: 400px;
    height: 400px;
    background: var(--gold-color);
    top: 50%;
    right: -150px;
    animation-delay: 5s;
}

.shape3 {
    width: 350px;
    height: 350px;
    background: var(--secondary-color);
    bottom: -100px;
    left: 30%;
    animation-delay: 10s;
}

.shape4 {
    width: 300px;
    height: 300px;
    background: var(--primary-color);
    top: 20%;
    left: 50%;
    animation-delay: 15s;
}

.hero-content {
    position: relative;
    text-align: center;
    z-index: 2;
    color: var(--white);
    animation: fadeInUp 1.2s ease;
    max-width: 900px;
}

.hero-image-container {
    position: relative;
    width: 400px;
    height: 400px;
    margin: 0 auto 40px;
    animation: fadeInScale 1.5s ease;
}

.guitar-strings {
    position: absolute;
    top: 50%;
    left: -100px;
    transform: translateY(-50%);
    width: 600px;
    height: 300px;
    z-index: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
    pointer-events: none;
}

.guitar-strings .string {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(212, 175, 55, 0.3) 20%, 
        rgba(212, 175, 55, 0.6) 50%, 
        rgba(212, 175, 55, 0.3) 80%, 
        transparent 100%);
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.3);
    animation: stringVibrate 3s ease-in-out infinite;
    position: relative;
    overflow: visible;
}

.guitar-strings .string::before {
    content: '';
    position: absolute;
    top: 50%;
    left: -20px;
    transform: translateY(-50%);
    width: 40px;
    height: 8px;
    background: radial-gradient(ellipse at center, 
        rgba(255, 255, 255, 1) 0%,
        rgba(212, 175, 55, 0.9) 30%,
        rgba(212, 175, 55, 0.5) 60%,
        transparent 100%);
    border-radius: 50%;
    filter: blur(3px);
    animation: shimmerTravel 4s linear infinite;
    opacity: 0;
}

@keyframes shimmerTravel {
    0% {
        left: -20px;
        opacity: 0;
    }
    5% {
        opacity: 1;
    }
    95% {
        opacity: 1;
    }
    100% {
        left: calc(100% + 20px);
        opacity: 0;
    }
}

.guitar-strings .string:nth-child(1) {
    height: 0.5px;
    animation-delay: 0s;
}

.guitar-strings .string:nth-child(1)::before {
    animation-delay: 0s;
}

.guitar-strings .string:nth-child(2) {
    height: 0.75px;
    animation-delay: 0.2s;
}

.guitar-strings .string:nth-child(2)::before {
    animation-delay: 0.7s;
}

.guitar-strings .string:nth-child(3) {
    height: 1px;
    animation-delay: 0.4s;
}

.guitar-strings .string:nth-child(3)::before {
    animation-delay: 1.4s;
}

.guitar-strings .string:nth-child(4) {
    height: 1.25px;
    animation-delay: 0.6s;
}

.guitar-strings .string:nth-child(4)::before {
    animation-delay: 2.1s;
}

.guitar-strings .string:nth-child(5) {
    height: 1.5px;
    animation-delay: 0.8s;
}

.guitar-strings .string:nth-child(5)::before {
    animation-delay: 2.8s;
}

.guitar-strings .string:nth-child(6) {
    height: 1.75px;
    animation-delay: 1s;
}

.guitar-strings .string:nth-child(6)::before {
    animation-delay: 3.5s;
}

@keyframes stringVibrate {
    0%, 100% {
        transform: translateY(0);
        opacity: 0.6;
    }
    25% {
        transform: translateY(-1px);
        opacity: 0.8;
    }
    75% {
        transform: translateY(1px);
        opacity: 0.8;
    }
}

.hero-portrait {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 50%;
    position: relative;
    z-index: 2;
    border: 4px solid var(--gold-color);
    box-shadow: 0 0 60px rgba(212, 175, 55, 0.4);
    background: #000;
}

.image-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 440px;
    height: 440px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 3s infinite ease-in-out;
}

.image-border {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(0deg);
    width: 430px;
    height: 430px;
    border: 2px solid transparent;
    border-top-color: var(--gold-color);
    border-right-color: var(--primary-color);
    border-radius: 50%;
    animation: rotate 15s linear infinite;
    z-index: 1;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 5rem;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: 8px;
    text-transform: uppercase;
    background: linear-gradient(135deg, var(--white) 0%, var(--gold-color) 50%, var(--white) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 3s linear infinite;
}

.title-decoration {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin: 20px 0;
}

.decoration-line {
    width: 80px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold-color), transparent);
}

.decoration-star {
    color: var(--gold-color);
    font-size: 1.5rem;
    animation: twinkle 2s infinite ease-in-out;
}

.hero-subtitle {
    font-size: 1.3rem;
    font-weight: 300;
    margin-bottom: 10px;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.8);
}

.hero-tagline {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-style: italic;
    color: var(--gold-color);
    margin-bottom: 40px;
    letter-spacing: 2px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 18px 45px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.4s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--gold-color), #f4d03f);
    color: var(--dark-bg);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.3);
}

.btn-primary:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(212, 175, 55, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--gold-color);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.1);
}

.btn-secondary:hover {
    background: var(--gold-color);
    color: var(--dark-bg);
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(212, 175, 55, 0.3);
}

.btn span {
    position: relative;
    z-index: 1;
}

.btn-icon {
    font-size: 1.2rem;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--gold-color);
    font-size: 0.85rem;
    animation: bounce 2s infinite;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.scroll-line {
    width: 2px;
    height: 50px;
    background: linear-gradient(to bottom, var(--gold-color), transparent);
    margin-top: 10px;
}

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

.section-title {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.title-underline {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--gold-color));
    margin: 0 auto;
}

/* About Section */
.about {
    padding: var(--section-padding);
    background: var(--light-bg);
    position: relative;
    z-index: 10;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.image-frame {
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100%;
    height: 100%;
    border: 3px solid var(--gold-color);
    border-radius: 10px;
    z-index: -1;
}

.about-text h3 {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.about-text p {
    color: var(--text-light);
    margin-bottom: 20px;
    font-size: 1.05rem;
}

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

.stat {
    text-align: center;
    padding: 20px;
    background: var(--white);
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 10px;
}

/* Music Section */
.music {
    padding: 100px 0;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
}

.spotify-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-top: 50px;
    align-items: center;
}

.spotify-text {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.spotify-text h3 {
    font-size: 2rem;
    color: var(--gold-color);
    font-family: 'Playfair Display', serif;
    margin: 0;
}

.spotify-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
}

.spotify-text .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: fit-content;
    padding: 15px 30px;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.spotify-text .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.4);
}

.spotify-player {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    transition: transform 0.3s ease;
}

.spotify-player:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 50px rgba(212, 175, 55, 0.3);
}

/* Gallery Section */
.gallery {
    padding: var(--section-padding);
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
}

.gallery .section-subtitle {
    color: rgba(255, 255, 255, 0.6);
    font-size: 1.1rem;
    margin-top: 10px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 250px;
    gap: 20px;
    margin-top: 50px;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    cursor: pointer;
    transition: all 0.4s ease;
    border: 2px solid rgba(212, 175, 55, 0.1);
}

/* Artistic masonry layout using data-size attributes */
.gallery-item[data-size="large"] {
    grid-column: span 2;
    grid-row: span 2;
}

.gallery-item[data-size="wide"] {
    grid-column: span 2;
}

.gallery-item[data-size="tall"] {
    grid-row: span 2;
}

.gallery-item[data-size="medium"] {
    grid-column: span 1;
    grid-row: span 1;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease, filter 0.4s ease;
    filter: grayscale(0%) brightness(0.9);
}

.gallery-item:hover {
    transform: translateY(-5px);
    border-color: var(--gold-color);
    box-shadow: 0 15px 40px rgba(212, 175, 55, 0.3);
    z-index: 10;
}

.gallery-item:hover img {
    transform: scale(1.15) rotate(2deg);
    filter: grayscale(0%) brightness(1.1);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 98, 51, 0.8), rgba(212, 175, 55, 0.8));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s ease;
}

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

.gallery-icon {
    font-size: 4rem;
    color: white;
    font-weight: 300;
    transform: rotate(0deg);
    transition: transform 0.4s ease;
}

.gallery-item:hover .gallery-icon {
    transform: rotate(90deg);
}

/* Contact Section */
.contact {
    padding: var(--section-padding);
    background: var(--white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h3 {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.contact-info > p {
    color: var(--text-light);
    margin-bottom: 40px;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-bottom: 40px;
}

.contact-method {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.contact-icon {
    font-size: 2rem;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--light-bg);
    border-radius: 10px;
}

.contact-method h4 {
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: 5px;
}

.contact-method p {
    color: var(--text-light);
}

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

.social-link {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--gold-color);
    transform: translateY(-5px);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.contact-form .btn {
    width: 100%;
}

/* Footer */
.footer {
    background: var(--dark-bg);
    color: var(--white);
    text-align: center;
    padding: 40px 20px;
}

.footer p {
    margin: 5px 0;
    opacity: 0.8;
}

.footer .signature {
    margin-top: 15px;
    font-size: 0.9rem;
    font-style: italic;
    opacity: 0.7;
}

.footer .signature .dev-link {
    color: var(--gold-color);
    font-weight: 600;
    font-style: normal;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

.footer .signature .dev-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -2px;
    left: 0;
    background-color: var(--gold-color);
    transition: width 0.3s ease;
}

.footer .signature .dev-link:hover {
    color: var(--gold-color);
    filter: brightness(1.3);
    transform: translateY(-2px);
}

.footer .signature .dev-link:hover::after {
    width: 100%;
}

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

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

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

@keyframes rotate {
    from {
        transform: translate(-50%, -50%) rotate(0deg);
    }
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.3;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.1);
        opacity: 0.5;
    }
}

@keyframes shimmer {
    0% {
        background-position: -200% center;
    }
    100% {
        background-position: 200% center;
    }
}

@keyframes twinkle {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(0.8);
    }
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero-title {
        font-size: 3.5rem;
    }
    
    .hero-image-container {
        width: 280px;
        height: 280px;
    }
    
    .image-glow {
        width: 320px;
        height: 320px;
    }
    
    .image-border {
        width: 310px;
        height: 310px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        max-width: 400px;
        margin: 0 auto;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        flex-direction: column;
        background: rgba(26, 26, 26, 0.98);
        width: 100%;
        padding: 40px;
        transition: left 0.3s ease;
        gap: 20px;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-social {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
    }
    
    .hero-title {
        font-size: 2.8rem;
        letter-spacing: 4px;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
        letter-spacing: 2px;
    }
    
    .hero-tagline {
        font-size: 1rem;
    }
    
    .hero-image-container {
        width: 240px;
        height: 240px;
    }
    
    .image-glow {
        width: 280px;
        height: 280px;
    }
    
    .image-border {
        width: 270px;
        height: 270px;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .spotify-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .spotify-text h3 {
        font-size: 1.5rem;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: 200px;
        gap: 15px;
    }
    
    .gallery-item[data-size="large"] {
        grid-column: span 2;
        grid-row: span 1;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.2rem;
        letter-spacing: 3px;
    }
    
    .hero-image-container {
        width: 220px;
        height: 220px;
    }
    
    .image-glow {
        width: 260px;
        height: 260px;
    }
    
    .image-border {
        width: 250px;
        height: 250px;
    }
    
    .logo {
        font-size: 1.4rem;
    }
    
    .btn {
        padding: 15px 35px;
        font-size: 0.95rem;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: 250px;
        gap: 15px;
    }
    
    .gallery-item[data-size="large"],
    .gallery-item[data-size="wide"],
    .gallery-item[data-size="tall"] {
        grid-column: span 1;
        grid-row: span 1;
    }
}