/* ============================================
   PHARMACIE CHARNAL - HIMS-INSPIRED DESIGN SYSTEM
   Version 2.0 - February 2026
   ============================================ */

/* === CSS VARIABLES === */
:root {
    /* === COLORS - Pharmacie Charnal Palette === */

    /* Pastels (HIMS-style soft backgrounds) */
    --pastel-sage: #E8F0EA;
    --pastel-mint: #D4E8E0;
    --pastel-teal: #D0E5E4;
    --pastel-cream: #FBF9F6;
    --pastel-peach: #FEF0E6;
    --pastel-lavender: #EDE8F5;

    /* Primary Brand Colors */
    --teal-pro: #2D5F5D;
    --teal-light: #3D7876;
    --sage-natural: #7C9885;
    --sage-light: #9DB3A4;
    --sage-dark: #5A7563;
    --bleu-confiance: #4A7C8E;
    --emerald: #50A686;

    /* Neutrals */
    --white: #FFFFFF;
    --cream: #FFFEF9;
    --cream-warm: #FAF8F5;
    --beige: #F5F3EF;
    --beige-dark: #E8E3DA;
    --gray-100: #F7F7F7;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --charcoal: #1F2121;
    --black: #000000;

    /* Accents */
    --copper: #B0732B;
    --lavender: #b4a6d7;
    --lavender-hover: #9b8bc4;
    --lavender-active: #8270b1;

    /* === SPACING (8pt Grid) === */
    --space-4: 4px;
    --space-8: 8px;
    --space-12: 12px;
    --space-16: 16px;
    --space-24: 24px;
    --space-32: 32px;
    --space-48: 48px;
    --space-64: 64px;
    --space-80: 80px;
    --space-96: 96px;
    --space-128: 128px;

    /* === TYPOGRAPHY === */
    --font-display: 'Fraunces', Georgia, serif;
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;

    --text-xs: 0.75rem;      /* 12px */
    --text-sm: 0.875rem;     /* 14px */
    --text-base: 1rem;       /* 16px */
    --text-lg: 1.125rem;     /* 18px */
    --text-xl: 1.25rem;      /* 20px */
    --text-2xl: 1.5rem;      /* 24px */
    --text-3xl: 1.875rem;    /* 30px */
    --text-4xl: 2.25rem;     /* 36px */
    --text-5xl: 3rem;        /* 48px */
    --text-6xl: 3.75rem;     /* 60px */

    /* === BORDER RADIUS === */
    --radius-sm: 6px;
    --radius-base: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 20px;
    --radius-full: 9999px;

    /* === SHADOWS === */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.10);
    --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.12);

    /* === TRANSITIONS === */
    --ease-standard: cubic-bezier(0.16, 1, 0.3, 1);
    --duration-fast: 150ms;
    --duration-normal: 250ms;
    --duration-slow: 400ms;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--charcoal);
    background-color: var(--cream);
}

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

a {
    text-decoration: none;
    color: inherit;
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 500;
    line-height: 1.2;
    color: var(--charcoal);
}

h1 { font-size: clamp(2.25rem, 5vw, var(--text-6xl)); }
h2 { font-size: clamp(1.875rem, 4vw, var(--text-5xl)); }
h3 { font-size: clamp(1.25rem, 2.5vw, var(--text-2xl)); }
h4 { font-size: var(--text-xl); }

p {
    color: var(--gray-600);
    line-height: 1.7;
}

.highlight {
    color: var(--teal-pro);
    font-style: italic;
}

/* === CONTAINER === */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-24);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-48);
    }
}

@media (min-width: 1440px) {
    .container {
        padding: 0 var(--space-64);
    }
}

/* === NAVIGATION === */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 254, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    transition: all var(--duration-normal) var(--ease-standard);
}

.navbar.scrolled {
    background: rgba(255, 255, 254, 0.98);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-24);
}

.nav-logo-link {
    display: flex;
    align-items: center;
    gap: var(--space-12);
    transition: opacity var(--duration-normal) var(--ease-standard);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-12);
}

.logo-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.logo-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-name {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--teal-pro);
    letter-spacing: -0.01em;
}

.logo-tagline {
    font-size: var(--text-xs);
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.nav-links {
    display: none;
    list-style: none;
    gap: var(--space-32);
    align-items: center;
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }
}

.nav-link {
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--gray-600);
    transition: color var(--duration-fast) var(--ease-standard);
    position: relative;
    padding: var(--space-8) var(--space-16);
    border-radius: var(--radius-full);
}

.nav-link:hover {
    color: var(--teal-pro);
    background-color: var(--pastel-mint);
}


/* Nav Blog Link (Au comptoir) */
.nav-link-blog {
    background: var(--lavender);
    color: var(--white) !important;
}

.nav-link-blog:hover {
    background: var(--lavender-hover);
    color: var(--white) !important;
}

.nav-link-blog::after {
    display: none;
}

/* Nav CTA */
.nav-cta {
    display: none;
}

@media (min-width: 768px) {
    .nav-cta {
        display: block;
    }
}

/* Nav Dropdowns */
.nav-dropdown {
    position: relative;
}

.nav-dropdown-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    cursor: pointer;
}

.nav-dropdown-toggle::after {
    content: '';
    border: solid var(--gray-500);
    border-width: 0 2px 2px 0;
    display: inline-block;
    padding: 2px;
    transform: rotate(45deg);
    transition: transform var(--duration-normal) var(--ease-standard);
    margin-top: -2px;
    margin-left: 4px;
}

.nav-dropdown:hover .nav-dropdown-toggle::after {
    transform: rotate(-135deg);
    margin-top: 2px;
}

.nav-dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
    padding: var(--space-16) 0 var(--space-8);
    min-width: 200px;
    list-style: none;
    z-index: 100;
    opacity: 0;
    transition: opacity var(--duration-fast) var(--ease-standard);
}

/* Invisible bridge to prevent menu from closing when moving mouse */
.nav-dropdown-menu::before {
    content: '';
    position: absolute;
    top: -16px;
    left: 0;
    right: 0;
    height: 16px;
    background: transparent;
}

.nav-dropdown:hover .nav-dropdown-menu {
    display: block;
    opacity: 1;
}

.nav-dropdown-menu li {
    list-style: none;
}

.nav-dropdown-menu .nav-link {
    display: block;
    padding: var(--space-8) var(--space-16);
    font-size: var(--text-sm);
    white-space: nowrap;
    border-radius: 0;
}

.nav-dropdown-menu .nav-link::after {
    display: none;
}

.nav-dropdown-menu .nav-link:hover {
    background: var(--pastel-sage);
}

/* Mobile menu toggle */
.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-8);
}

@media (min-width: 768px) {
    .mobile-menu-toggle {
        display: none;
    }
}

.hamburger-line {
    width: 24px;
    height: 2px;
    background: var(--charcoal);
    border-radius: 2px;
    transition: all var(--duration-normal) var(--ease-standard);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile menu */
@media (max-width: 767px) {
    .nav-links {
        position: fixed;
        top: 72px;
        right: 0;
        background: var(--white);
        width: 100%;
        max-width: 280px;
        height: auto;
        max-height: calc(100vh - 72px);
        flex-direction: column;
        padding: var(--space-32);
        gap: var(--space-24);
        box-shadow: var(--shadow-lg);
        transform: translateX(100%);
        transition: transform 0.3s ease-in-out;
        overflow-y: auto;
    }

    .nav-links.active {
        display: flex;
        transform: translateX(0);
    }

    .nav-links li {
        width: 100%;
    }

    .nav-link {
        width: 100%;
        text-align: left;
        padding: var(--space-12) var(--space-16);
        font-size: var(--text-lg);
    }

    .nav-dropdown {
        display: flex;
        flex-direction: column;
        width: 100%;
    }

    .nav-dropdown-menu::before {
        display: none;
    }

    .nav-dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: transparent;
        border-radius: 0;
        border: none;
        padding: 0;
        min-width: 100%;
        display: flex;
        flex-direction: column;
        gap: var(--space-8);
        padding-left: var(--space-16);
        border-left: 2px solid var(--pastel-mint);
        margin-top: var(--space-8);
    }

    .nav-dropdown-toggle::after {
        display: none;
    }

    .nav-dropdown-menu .nav-link {
        padding: var(--space-12) var(--space-16);
        font-size: var(--text-base);
        color: var(--gray-500);
        touch-action: manipulation;
        -webkit-tap-highlight-color: rgba(0,0,0,0.1);
    }
}

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: 600;
    line-height: 1;
    padding: var(--space-16) var(--space-32);
    border-radius: var(--radius-base);
    border: none;
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-standard);
}

.btn svg {
    width: 20px;
    height: 20px;
}

.btn-primary {
    background: var(--teal-pro);
    color: var(--white);
}

.btn-primary:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 24px rgba(45, 95, 93, 0.25);
    background: #245250;
}

.btn-primary:active {
    transform: scale(0.98);
}

.btn-secondary {
    background: transparent;
    color: var(--charcoal);
    border: 2px solid var(--gray-300);
}

.btn-secondary:hover {
    background: var(--gray-100);
    border-color: var(--gray-500);
}

.btn-sm {
    font-size: var(--text-sm);
    padding: var(--space-12) var(--space-24);
}

.btn-lg {
    font-size: var(--text-lg);
    padding: var(--space-16) var(--space-48);
}

/* === HERO SECTION === */
.hero {
    min-height: auto;
    display: flex;
    align-items: center;
    background: linear-gradient(180deg, var(--pastel-sage) 0%, var(--pastel-mint) 50%, var(--cream) 100%);
    padding-top: 104px;
    padding-bottom: var(--space-48);
    position: relative;
    overflow: hidden;
}

@media (min-width: 1024px) {
    .hero {
        padding-top: 120px;
        padding-bottom: var(--space-64);
    }
}

.hero::before {
    content: '';
    position: absolute;
    top: 20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(125, 152, 133, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 10%;
    left: -5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(45, 95, 93, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-32);
    align-items: center;
    position: relative;
    z-index: 1;
    justify-items: center;
    text-align: center;
}

@media (min-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-48);
        justify-items: start;
        text-align: left;
    }
}

.hero-content {
    max-width: 560px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-8);
    padding: var(--space-8) var(--space-16);
    background: var(--white);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--teal-pro);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--space-24);
    opacity: 0;
    animation: fadeInUp 0.6s var(--ease-standard) forwards;
}

.hero-badge svg {
    width: 18px;
    height: 18px;
    color: var(--sage-natural);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, var(--text-6xl));
    font-weight: 500;
    line-height: 1.1;
    color: var(--charcoal);
    letter-spacing: -0.02em;
    margin-bottom: var(--space-24);
    opacity: 0;
    animation: fadeInUp 0.6s var(--ease-standard) 0.1s forwards;
}

.hero-description {
    font-size: var(--text-lg);
    line-height: 1.7;
    color: var(--gray-600);
    margin-bottom: var(--space-32);
    max-width: 480px;
    opacity: 0;
    animation: fadeInUp 0.6s var(--ease-standard) 0.2s forwards;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-16);
    opacity: 0;
    animation: fadeInUp 0.6s var(--ease-standard) 0.3s forwards;
    justify-content: center;
}

@media (min-width: 1024px) {
    .hero-cta {
        justify-content: flex-start;
    }
}

.hero-image {
    position: relative;
    opacity: 0;
    animation: fadeInUp 0.8s var(--ease-standard) 0.4s forwards;
    display: none;
}

@media (min-width: 1024px) {
    .hero-image {
        display: block;
    }
}

.hero-image img {
    width: 100%;
    max-width: 540px;
    margin: 0 auto;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
}

.hero-image::before {
    content: '';
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100%;
    height: 100%;
    background: var(--pastel-teal);
    border-radius: var(--radius-2xl);
    z-index: -1;
}

/* === SECTION HEADERS === */
.section-header {
    text-align: center;
    margin-bottom: var(--space-64);
}

.section-badge,
.section-label {
    display: inline-block;
    padding: var(--space-8) var(--space-16);
    background: var(--teal-pro);
    color: var(--white);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-16);
}

.section-title {
    font-size: clamp(1.875rem, 4vw, var(--text-4xl));
    font-weight: 500;
    margin-bottom: var(--space-16);
}

.section-description {
    font-size: var(--text-lg);
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* === FOOTER === */
.footer {
    background: var(--charcoal);
    color: var(--white);
    padding: var(--space-80) 0 var(--space-32);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-48);
    margin-bottom: var(--space-48);
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: 1.5fr 1fr 1fr 1fr;
    }
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-12);
    margin-bottom: var(--space-16);
}

.footer-logo .logo-icon {
    background-color: transparent;
}

.footer-logo-name {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 500;
}

.footer-logo-tagline {
    font-size: var(--text-sm);
    opacity: 0.8;
}

.footer-about p {
    font-size: var(--text-base);
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.7;
}

.footer-social {
    margin-top: var(--space-24);
}

.footer-social h4 {
    color: var(--white);
    font-size: var(--text-base);
    margin-bottom: var(--space-16);
}

.social-links {
    display: flex;
    gap: var(--space-12);
}

.social-link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-base);
    color: var(--white);
    transition: all var(--duration-normal) var(--ease-standard);
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

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

.footer-col h4 {
    color: var(--white);
    font-size: var(--text-base);
    margin-bottom: var(--space-16);
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: var(--space-12);
    font-size: var(--text-base);
    opacity: 0.9;
}

.footer-col a {
    transition: all var(--duration-normal) var(--ease-standard);
}

.footer-col a:hover {
    opacity: 1;
    padding-left: var(--space-8);
}

.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-16);
    padding-top: var(--space-32);
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.footer-copyright {
    font-size: var(--text-sm);
    opacity: 0.7;
}

.footer-legal {
    display: flex;
    gap: var(--space-24);
}

.footer-legal a {
    font-size: var(--text-sm);
    opacity: 0.7;
    transition: opacity var(--duration-normal) var(--ease-standard);
}

.footer-legal a:hover {
    opacity: 1;
}

@media (max-width: 767px) {
    .footer {
        padding: var(--space-48) 0 var(--space-32);
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
        grid-template-areas:
            "about about"
            "contact hours";
        gap: var(--space-32);
    }

    .footer-about {
        grid-area: about;
    }

    .footer-col:nth-child(2) {
        display: none; /* Hide Navigation on mobile */
    }

    .footer-col:nth-child(3) {
        grid-area: contact;
    }

    .footer-col:nth-child(4) {
        grid-area: hours;
    }

    .footer-col h4 {
        font-size: var(--text-sm);
    }

    .footer-col li {
        font-size: var(--text-sm);
    }

    .social-link {
        width: 40px;
        height: 40px;
    }

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

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-up {
    opacity: 0;
    transform: translateY(30px);
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.6s var(--ease-standard);
}

/* Stagger classes */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

/* Scroll animation observer class */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s var(--ease-standard);
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* === CTA SECTION === */
.cta-section {
    padding: var(--space-96) 0;
    background: linear-gradient(135deg, var(--teal-pro) 0%, var(--bleu-confiance) 100%);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    color: var(--white);
    margin-bottom: var(--space-24);
}

.cta-description {
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--space-32);
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: var(--space-12);
    padding: var(--space-16) var(--space-32);
    background: var(--white);
    color: var(--teal-pro);
    font-size: var(--text-base);
    font-weight: 600;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-standard);
    box-shadow: var(--shadow-lg);
}

.cta-button:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.cta-button svg {
    width: 20px;
    height: 20px;
}

@media (max-width: 767px) {
    .cta-section {
        padding: var(--space-64) 0;
    }
}

/* === SCROLL TO TOP === */
.scroll-top {
    position: fixed;
    bottom: var(--space-32);
    right: var(--space-32);
    width: 48px;
    height: 48px;
    background: var(--teal-pro);
    color: var(--white);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--duration-normal) var(--ease-standard);
    box-shadow: var(--shadow-lg);
    z-index: 999;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top:hover {
    background: var(--teal-light);
    transform: translateY(-4px);
}

.scroll-top svg {
    width: 24px;
    height: 24px;
}

/* === UTILITY CLASSES === */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-8 { margin-bottom: var(--space-8); }
.mb-16 { margin-bottom: var(--space-16); }
.mb-24 { margin-bottom: var(--space-24); }
.mb-32 { margin-bottom: var(--space-32); }
.mb-48 { margin-bottom: var(--space-48); }
.mb-64 { margin-bottom: var(--space-64); }

.mt-0 { margin-top: 0; }
.mt-8 { margin-top: var(--space-8); }
.mt-16 { margin-top: var(--space-16); }
.mt-24 { margin-top: var(--space-24); }
.mt-32 { margin-top: var(--space-32); }

.hidden { display: none; }

@media (max-width: 767px) {
    .hidden-mobile { display: none; }
}

@media (min-width: 768px) {
    .hidden-desktop { display: none; }
}