/* ====================================
   MERISCA - Modern Marketing Agency
   CSS Stylesheet
   ==================================== */

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

:root {
    /* Color Palette */
    --color-primary: #0066FF;
    --color-primary-dark: #0052CC;
    --color-primary-light: #3385FF;
    --color-secondary: #00D4FF;
    --color-accent: #FF00FF;
    --color-bg-dark: #0A0A0A;
    --color-bg-darker: #050505;
    --color-bg-lighter: #151515;
    --color-text-primary: #FFFFFF;
    --color-text-secondary: #B8B8B8;
    --color-text-muted: #808080;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0066FF 0%, #00D4FF 100%);
    --gradient-secondary: linear-gradient(135deg, #FF00FF 0%, #0066FF 100%);
    --gradient-hero: linear-gradient(180deg, #050505 0%, #0A0A0A 50%, #001133 100%);
    --gradient-glow: radial-gradient(circle, rgba(0, 102, 255, 0.15) 0%, transparent 70%);
    
    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --section-padding: 120px 0;
    --container-padding: 0 24px;
    
    /* Transitions */
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg-dark);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--container-padding);
}

/* ====================================
   TYPOGRAPHY
   ==================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ====================================
   HEADER / NAVIGATION
   ==================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition-smooth);
    background: rgba(10, 10, 10, 0.7);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
}

.header.scrolled {
    padding: 12px 0;
    background: rgba(10, 10, 10, 0.95);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.logo {
    flex-shrink: 0;
}

.logo a {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 900;
    color: var(--color-text-primary);
    text-decoration: none;
    letter-spacing: 2px;
    transition: var(--transition-smooth);
    text-transform: uppercase;
    white-space: nowrap;
}

.logo a:hover {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
    margin: 0;
}

.nav-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition-smooth);
    position: relative;
    white-space: nowrap;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-smooth);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-text-primary);
}

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

.header-socials {
    display: flex;
    gap: 16px;
    flex-shrink: 0;
}

.header-socials a {
    color: var(--color-text-secondary);
    font-size: 16px;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
}

.header-socials a:hover {
    color: var(--color-primary);
    transform: translateY(-3px);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-toggle span {
    width: 28px;
    height: 3px;
    background: var(--color-text-primary);
    border-radius: 2px;
    transition: var(--transition-smooth);
}

/* ====================================
   HERO SECTION
   ==================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: var(--gradient-hero);
}

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

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 102, 255, 0.4) 0%, transparent 70%);
    top: -200px;
    right: -200px;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.3) 0%, transparent 70%);
    bottom: -150px;
    left: -150px;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(50px, -50px) scale(1.1); }
    66% { transform: translate(-50px, 50px) scale(0.9); }
}

.particles {
    position: absolute;
    width: 100%;
    height: 100%;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--color-primary);
    border-radius: 50%;
    opacity: 0.6;
    animation: particle-float 15s linear infinite;
}

@keyframes particle-float {
    0% {
        transform: translateY(100vh) translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 0.6;
    }
    90% {
        opacity: 0.6;
    }
    100% {
        transform: translateY(-100px) translateX(100px);
        opacity: 0;
    }
}

/* Floating 3D Social Icons */
.floating-icons {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.float-icon {
    position: absolute;
    font-size: 80px;
    color: rgba(0, 102, 255, 0.15);
    animation: float-icon 20s ease-in-out infinite;
    transition: var(--transition-smooth);
}

.float-icon i {
    filter: drop-shadow(0 0 30px rgba(0, 102, 255, 0.5));
}

.icon-1 {
    top: 15%;
    left: 10%;
    font-size: 120px;
    filter: blur(8px);
    opacity: 0.3;
}

.icon-2 {
    top: 60%;
    right: 8%;
    font-size: 100px;
    filter: blur(4px);
    opacity: 0.4;
    animation-delay: -5s;
}

.icon-3 {
    bottom: 20%;
    left: 15%;
    font-size: 90px;
    filter: blur(2px);
    opacity: 0.5;
    animation-delay: -10s;
}

.icon-4 {
    top: 30%;
    right: 20%;
    font-size: 70px;
    filter: blur(0px);
    opacity: 0.7;
    animation-delay: -15s;
}

.icon-5 {
    top: 70%;
    left: 50%;
    font-size: 85px;
    filter: blur(5px);
    opacity: 0.35;
    animation-delay: -7s;
}

.icon-6 {
    top: 10%;
    right: 35%;
    font-size: 95px;
    filter: blur(3px);
    opacity: 0.45;
    animation-delay: -12s;
}

@keyframes float-icon {
    0%, 100% { 
        transform: translate(0, 0) rotate(0deg);
    }
    25% { 
        transform: translate(30px, -30px) rotate(5deg);
    }
    50% { 
        transform: translate(-20px, 20px) rotate(-5deg);
    }
    75% { 
        transform: translate(20px, 30px) rotate(3deg);
    }
}

.hero-container {
    position: relative;
    z-index: 2;
    text-align: center;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-size: clamp(48px, 8vw, 92px);
    font-weight: 900;
    margin-bottom: 24px;
    line-height: 1.1;
    letter-spacing: -2px;
}

.hero-subtitle {
    font-size: clamp(18px, 2.5vw, 24px);
    color: var(--color-text-secondary);
    margin-bottom: 48px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 40px;
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 50px;
    transition: var(--transition-smooth);
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-text-primary);
    box-shadow: 0 10px 40px rgba(0, 102, 255, 0.3);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 50px rgba(0, 102, 255, 0.5);
}

.btn-large {
    padding: 24px 56px;
    font-size: 18px;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--color-primary);
    border-radius: 20px;
    position: relative;
    animation: mouse-bounce 2s infinite;
}

.wheel {
    width: 4px;
    height: 10px;
    background: var(--color-primary);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: wheel-scroll 2s infinite;
}

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

@keyframes wheel-scroll {
    0% { opacity: 1; top: 8px; }
    100% { opacity: 0; top: 28px; }
}

/* ====================================
   SECTION HEADERS
   ==================================== */
.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 900;
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.section-subtitle {
    font-size: clamp(16px, 2vw, 20px);
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* ====================================
   GLASSMORPHISM CARDS
   ==================================== */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 40px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1) 0%, transparent 50%);
    opacity: 0;
    transition: var(--transition-smooth);
}

.glass-card:hover {
    transform: translateY(-8px);
    border-color: rgba(0, 102, 255, 0.5);
    box-shadow: 0 20px 60px rgba(0, 102, 255, 0.2);
}

.glass-card:hover::before {
    opacity: 1;
}

/* ====================================
   SERVICES SECTION
   ==================================== */
.services {
    padding: var(--section-padding);
    position: relative;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 40px;
}

.service-card {
    display: flex;
    flex-direction: column;
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: var(--color-text-primary);
    margin-bottom: 24px;
    box-shadow: 0 10px 30px rgba(0, 102, 255, 0.3);
}

.service-title {
    font-size: 28px;
    margin-bottom: 16px;
}

.service-description {
    color: var(--color-text-secondary);
    margin-bottom: 24px;
    line-height: 1.8;
}

.service-features {
    list-style: none;
    margin-bottom: 32px;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    color: var(--color-text-secondary);
}

.service-features i {
    color: var(--color-primary);
    font-size: 18px;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-smooth);
    margin-top: auto;
}

.service-link:hover {
    gap: 16px;
}

/* ====================================
   INFLUENCER MARKETING SECTION
   ==================================== */
.influencer-marketing {
    padding: var(--section-padding);
    background: linear-gradient(180deg, var(--color-bg-dark) 0%, var(--color-bg-lighter) 100%);
}

.influencer-content {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.influencer-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    padding: 40px 32px;
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--color-text-primary);
    flex-shrink: 0;
}

.feature-text h3 {
    font-size: 20px;
    margin-bottom: 8px;
}

.feature-text p {
    color: var(--color-text-secondary);
    line-height: 1.7;
    font-size: 15px;
}

.metrics-showcase {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: 100%;
}

.metric-card {
    padding: 48px 32px;
    text-align: center;
}

.metric-value {
    font-size: 56px;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
    line-height: 1;
}

.metric-value::after {
    content: '+';
    font-size: 38px;
}

.metric-label {
    color: var(--color-text-secondary);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
    line-height: 1.4;
}

/* ====================================
   SOCIAL MEDIA MARKETING SECTION
   ==================================== */
.social-media-marketing {
    padding: var(--section-padding);
}

.platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.platform-card {
    padding: 48px 40px;
}

.platform-icon {
    width: 90px;
    height: 90px;
    border-radius: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 44px;
    color: var(--color-text-primary);
    margin-bottom: 28px;
    box-shadow: 0 15px 40px rgba(0, 102, 255, 0.3);
}

.instagram-gradient {
    background: linear-gradient(135deg, #833AB4 0%, #FD1D1D 50%, #F77737 100%);
}

.tiktok-gradient {
    background: linear-gradient(135deg, #000000 0%, #00F2EA 50%, #FF0050 100%);
}

.youtube-gradient {
    background: linear-gradient(135deg, #FF0000 0%, #CC0000 100%);
}

.platform-title {
    font-size: 26px;
    margin-bottom: 16px;
}

.platform-description {
    color: var(--color-text-secondary);
    margin-bottom: 32px;
    line-height: 1.8;
}

.platform-stats {
    display: flex;
    gap: 32px;
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--glass-border);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 32px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 12px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.platform-features {
    list-style: none;
}

.platform-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    color: var(--color-text-secondary);
}

.platform-features i {
    color: var(--color-primary);
}

/* ====================================
   CASE STUDIES SECTION
   ==================================== */
.case-studies {
    padding: var(--section-padding);
    background: linear-gradient(180deg, var(--color-bg-dark) 0%, var(--color-bg-lighter) 100%);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 40px;
}

.case-card {
    padding: 40px;
    position: relative;
}

.case-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.case-industry {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-primary);
    font-weight: 600;
}

.case-platform {
    display: flex;
    gap: 12px;
    font-size: 20px;
    color: var(--color-text-secondary);
}

.case-title {
    font-size: 24px;
    margin-bottom: 16px;
}

.case-description {
    color: var(--color-text-secondary);
    margin-bottom: 32px;
    line-height: 1.8;
}

.case-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    padding-top: 32px;
    border-top: 1px solid var(--glass-border);
}

.case-metric {
    text-align: center;
    padding: 0 8px;
}

.metric-number {
    font-size: 28px;
    font-weight: 900;
    margin-bottom: 8px;
    line-height: 1.2;
    word-break: break-word;
}

.metric-text {
    font-size: 11px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    line-height: 1.3;
}

/* ====================================
   WHY MERISCA SECTION
   ==================================== */
.why-merisca {
    padding: var(--section-padding);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    margin-bottom: 80px;
}

.advantage-card {
    padding: 40px 32px;
    text-align: center;
}

.advantage-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: var(--color-text-primary);
    margin: 0 auto 24px;
    box-shadow: 0 10px 30px rgba(0, 102, 255, 0.3);
}

.advantage-title {
    font-size: 22px;
    margin-bottom: 16px;
}

.advantage-description {
    color: var(--color-text-secondary);
    line-height: 1.8;
    font-size: 15px;
}

.company-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    padding: 60px 0;
    text-align: center;
}

.company-stat-value {
    font-size: 64px;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
    line-height: 1;
}

.company-stat-value::after {
    content: '+';
    font-size: 48px;
}

.company-stat-label {
    color: var(--color-text-secondary);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ====================================
   CONTACT CTA SECTION
   ==================================== */
.contact-cta {
    padding: 120px 0;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1) 0%, transparent 100%);
    position: relative;
    overflow: hidden;
}

.contact-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 102, 255, 0.15) 0%, transparent 50%);
    animation: rotate-gradient 20s linear infinite;
}

@keyframes rotate-gradient {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(40px, 6vw, 64px);
    font-weight: 900;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.cta-subtitle {
    font-size: clamp(18px, 2.5vw, 22px);
    color: var(--color-text-secondary);
    margin-bottom: 48px;
    line-height: 1.7;
}

/* ====================================
   FOOTER
   ==================================== */
.footer {
    padding: 60px 0 40px;
    background: var(--color-bg-darker);
    border-top: 1px solid var(--glass-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.footer-brand {
    max-width: 400px;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 32px;
    font-weight: 900;
    letter-spacing: 2px;
    margin-bottom: 12px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-tagline {
    color: var(--color-text-secondary);
    font-size: 14px;
}

.footer-socials {
    display: flex;
    gap: 20px;
}

.footer-socials a {
    width: 50px;
    height: 50px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    font-size: 20px;
    transition: var(--transition-smooth);
}

.footer-socials a:hover {
    background: var(--gradient-primary);
    color: var(--color-text-primary);
    border-color: transparent;
    transform: translateY(-5px);
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid var(--glass-border);
    text-align: center;
}

.copyright {
    color: var(--color-text-muted);
    font-size: 14px;
}

/* ====================================
   RESPONSIVE DESIGN
   ==================================== */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .influencer-features {
        grid-template-columns: 1fr;
    }
    
    .metrics-showcase {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .platforms-grid {
        grid-template-columns: 1fr;
    }
    
    .advantages-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 80px 0;
    }
    
    .nav {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(20px);
        padding: 40px 24px;
        transform: translateX(-100%);
        transition: var(--transition-smooth);
        border-bottom: 1px solid var(--glass-border);
    }
    
    .nav.active {
        transform: translateX(0);
    }
    
    .nav-list {
        flex-direction: column;
        gap: 24px;
        align-items: flex-start;
    }
    
    .header-socials {
        display: none;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .mobile-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translateY(12px);
    }
    
    .mobile-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translateY(-12px);
    }
    
    .hero-title {
        font-size: 48px;
    }
    
    .section-header {
        margin-bottom: 60px;
    }
    
    .influencer-features {
        grid-template-columns: 1fr;
    }
    
    .metrics-showcase {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .platform-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .case-metrics {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .company-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        flex-direction: column;
        gap: 40px;
        text-align: center;
    }
    
    .footer-brand {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .services-grid,
    .platforms-grid,
    .cases-grid,
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .glass-card {
        padding: 32px 24px;
    }
    
    .company-stats {
        grid-template-columns: 1fr;
    }
}

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

.visible {
    display: block !important;
}

/* Scroll animations */
.fade-in {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-60px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(60px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.scale-in {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}