/* ===== VARIABLES CSS ===== */
:root {
    /* Couleurs principales */
    --color-primary: #2C3E50;        /* Bleu profond nuageux */
    --color-gold: #B8860B;           /* Or antique */
    --color-pearl: #F8F8FF;          /* Blanc nacré */
    
    /* Couleurs secondaires */
    --color-violet: #6A5ACD;         /* Violet mystique */
    --color-sage: #9CAF88;           /* Vert sauge */
    --color-light-gray: #E5E4E2;     /* Gris perle */
    --color-dark: #1a1a1a;           /* Noir profond */
    
    /* Couleurs avec transparence */
    --color-primary-alpha: rgba(44, 62, 80, 0.9);
    --color-gold-alpha: rgba(184, 134, 11, 0.1);
    --color-violet-alpha: rgba(106, 90, 205, 0.1);
    
    /* Typographie */
    --font-primary: 'Playfair Display', serif;
    --font-secondary: 'Inter', sans-serif;
    --font-script: 'Dancing Script', cursive;
    
    /* Tailles */
    --container-width: 1200px;
    --section-padding: 120px 0;
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Shadows */
    --shadow-soft: 0 8px 32px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 12px 48px rgba(0, 0, 0, 0.15);
    --shadow-strong: 0 20px 64px rgba(0, 0, 0, 0.2);
    --shadow-gold: 0 8px 32px rgba(184, 134, 11, 0.3);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-secondary);
    line-height: 1.6;
    color: var(--color-primary);
    background: linear-gradient(135deg, var(--color-pearl) 0%, #f0f0f5 100%);
    overflow-x: hidden;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4 {
    font-family: var(--font-primary);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
    margin-bottom: 1rem;
    color: var(--color-primary);
    opacity: 0.8;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    font-family: var(--font-secondary);
    font-weight: 500;
    font-size: 1rem;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-gold) 0%, #DAA520 100%);
    color: white;
    box-shadow: var(--shadow-gold);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(184, 134, 11, 0.4);
}

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

.btn--secondary:hover {
    background: var(--color-primary);
    color: white;
    transform: translateY(-2px);
}

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

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

.btn--luxury {
    background: linear-gradient(135deg, var(--color-violet) 0%, #8A2BE2 100%);
    color: white;
    box-shadow: 0 8px 32px rgba(106, 90, 205, 0.3);
}

.btn--luxury:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(106, 90, 205, 0.4);
}

.btn--large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

/* ===== SECTION TITLES ===== */
.section-title {
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -1rem;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-gold) 0%, transparent 100%);
    border-radius: 2px;
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(248, 248, 255, 0.95);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.nav__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 20px;
    max-width: var(--container-width);
    margin: 0 auto;
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 1.5rem;
    color: var(--color-primary);
}

.nav__logo-icon {
    font-size: 2rem;
    filter: drop-shadow(0 2px 4px rgba(184, 134, 11, 0.3));
}

.nav__menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav__link {
    text-decoration: none;
    color: var(--color-primary);
    font-weight: 400;
    transition: var(--transition);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-gold);
    transition: var(--transition);
}

.nav__link:hover::after {
    width: 100%;
}

.nav__toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 4px;
}

.nav__toggle span {
    width: 25px;
    height: 3px;
    background: var(--color-primary);
    transition: var(--transition);
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-violet) 100%);
    overflow: hidden;
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
    z-index: 2;
}

.hero__content {
    color: white;
}

.hero__title {
    color: white;
    margin-bottom: 1.5rem;
}

.hero__subtitle {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    color: rgba(255, 255, 255, 0.9);
}

.hero__cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.hero__social-proof {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    font-style: italic;
}

.hero__counter {
    position: relative;
    padding-left: 1.5rem;
}

.hero__counter::before {
    content: '✨';
    position: absolute;
    left: 0;
    top: 0;
}

/* ===== GOLDEN FRAME ===== */
.golden-frame {
    position: relative;
    padding: 20px;
    border: 8px solid;
    border-image: linear-gradient(45deg, var(--color-gold) 0%, #DAA520 50%, var(--color-gold) 100%) 1;
    border-radius: var(--border-radius);
    background: linear-gradient(135deg, rgba(184, 134, 11, 0.1) 0%, rgba(218, 165, 32, 0.05) 100%);
    box-shadow: var(--shadow-gold);
    animation: golden-glow 3s ease-in-out infinite alternate;
}

.golden-frame--small {
    padding: 12px;
    border-width: 4px;
}

@keyframes golden-glow {
    0% {
        box-shadow: var(--shadow-gold);
    }
    100% {
        box-shadow: 0 8px 40px rgba(184, 134, 11, 0.5);
    }
}

.portrait-demo {
    width: 400px;
    height: 500px;
    background: linear-gradient(135deg, var(--color-light-gray) 0%, white 100%);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.portrait-placeholder {
    width: 80%;
    height: 80%;
    background: linear-gradient(135deg, var(--color-violet-alpha) 0%, var(--color-gold-alpha) 100%);
    border-radius: var(--border-radius);
    position: relative;
}

.portrait-animation {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--color-gold);
    animation: float 2s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

/* ===== PARTICLES ===== */
.particles-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--color-gold);
    border-radius: 50%;
    opacity: 0.7;
    animation: particle-float 6s ease-in-out infinite;
}

.particle:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.particle:nth-child(2) {
    top: 60%;
    left: 20%;
    animation-delay: 1s;
}

.particle:nth-child(3) {
    top: 30%;
    right: 15%;
    animation-delay: 2s;
}

.particle:nth-child(4) {
    top: 80%;
    right: 25%;
    animation-delay: 3s;
}

.particle:nth-child(5) {
    top: 50%;
    left: 50%;
    animation-delay: 4s;
}

@keyframes particle-float {
    0%, 100% {
        transform: translateY(0px) scale(1);
        opacity: 0.7;
    }
    50% {
        transform: translateY(-30px) scale(1.2);
        opacity: 1;
    }
}

/* ===== MAGIC TECH SECTION ===== */
.magic-tech {
    padding: var(--section-padding);
    background: var(--color-pearl);
}

.magic-tech__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft);
    text-align: center;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-medium);
}

.feature-card__icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

.feature-card__title {
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.feature-card__description {
    color: var(--color-primary);
    opacity: 0.8;
}

/* ===== TESTIMONIALS ===== */
.testimonials {
    padding: var(--section-padding);
    background: linear-gradient(135deg, var(--color-violet-alpha) 0%, var(--color-gold-alpha) 100%);
}

.testimonials__carousel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(184, 134, 11, 0.2);
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

.testimonial-card__text {
    font-family: var(--font-script);
    font-size: 1.2rem;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    font-style: italic;
}

.author-name {
    color: var(--color-gold);
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.author-location {
    color: var(--color-primary);
    opacity: 0.6;
    font-size: 0.9rem;
}

/* ===== GALLERY ===== */
.gallery {
    padding: var(--section-padding);
    background: white;
}

.gallery__filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--color-light-gray);
    background: transparent;
    color: var(--color-primary);
    border-radius: 25px;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn--active,
.filter-btn:hover {
    border-color: var(--color-gold);
    background: var(--color-gold);
    color: white;
}

.gallery__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.gallery-item {
    transition: var(--transition);
}

.gallery-item:hover {
    transform: scale(1.05);
}

.gallery-portrait {
    width: 100%;
    height: 300px;
    background: linear-gradient(135deg, var(--color-light-gray) 0%, var(--color-sage) 100%);
    border-radius: var(--border-radius);
}

/* ===== PRICING ===== */
.pricing {
    padding: var(--section-padding);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-violet) 100%);
}

.pricing .section-title {
    color: white;
}

.pricing__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    align-items: start;
}

.pricing-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft);
    position: relative;
    transition: var(--transition);
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-strong);
}

.pricing-card--featured {
    transform: scale(1.05);
    border: 3px solid var(--color-gold);
}

.pricing-card--luxury {
    background: linear-gradient(135deg, var(--color-violet-alpha) 0%, rgba(138, 43, 226, 0.05) 100%);
    border: 2px solid var(--color-violet);
}

.pricing-card__badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-gold);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.pricing-card__title {
    text-align: center;
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.pricing-card__price {
    text-align: center;
    margin-bottom: 2rem;
}

.price-amount {
    font-family: var(--font-primary);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-gold);
}

.price-period {
    color: var(--color-primary);
    opacity: 0.6;
}

.pricing-card__features {
    list-style: none;
    margin-bottom: 2rem;
}

.pricing-card__features li {
    padding: 0.5rem 0;
    color: var(--color-primary);
    position: relative;
    padding-left: 2rem;
}

.pricing-card__features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-gold);
    font-weight: bold;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--color-dark);
    color: white;
    padding: 3rem 0 1rem;
}

.footer__content {
    display: grid;
    grid-template-columns: 1fr 3fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-primary);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.footer__logo-icon {
    font-size: 2rem;
    filter: drop-shadow(0 2px 4px rgba(184, 134, 11, 0.5));
}

.footer__description {
    color: rgba(255, 255, 255, 0.8);
    font-style: italic;
}

.footer__links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
}

.footer__title {
    color: var(--color-gold);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.footer__list {
    list-style: none;
}

.footer__list li {
    margin-bottom: 0.5rem;
}

.footer__link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__copyright {
    color: rgba(255, 255, 255, 0.6);
}

.footer__social {
    display: flex;
    gap: 1rem;
}

.social-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    color: var(--color-gold);
    transform: translateY(-2px);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .hero__container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .portrait-demo {
        width: 300px;
        height: 380px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 80px 0;
    }
    
    .nav__menu {
        display: none;
    }
    
    .nav__toggle {
        display: flex;
    }
    
    .hero__cta {
        flex-direction: column;
        align-items: center;
    }
    
    .testimonials__carousel {
        grid-template-columns: 1fr;
    }
    
    .gallery__filters {
        flex-direction: column;
        align-items: center;
    }
    
    .pricing__grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card--featured {
        transform: none;
    }
    
    .footer__content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer__bottom {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero__cta .btn {
        width: 100%;
        justify-content: center;
    }
    
    .feature-card,
    .testimonial-card,
    .pricing-card {
        padding: 1.5rem;
    }
}