:root {
    /* Color System */
    --primary-navy: #1A237E;
    --primary-blue: #3949AB;
    --secondary-purple: #5E35B1;
    --accent-cyan: #00BCD4;
    --accent-cyan-light: #26C6DA;
    --success-green: #4CAF50;
    --warning-orange: #FF9800;
    --bg-light: #F5F7FA;
    --bg-dark: #0F1419;
    --text-dark: #1A1A1A;
    --text-light: #FFFFFF;
    --text-gray: #6B7280;
    --text-gray-light: #9CA3AF;
    
    /* Spacing System */
    --space-xs: 8px;
    --space-sm: 16px;
    --space-md: 24px;
    --space-lg: 32px;
    --space-xl: 48px;
    --space-2xl: 64px;
    --space-3xl: 80px;
    --space-4xl: 120px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
}

    *{margin:0;padding:0;box-sizing:border-box;}
    body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;color:var(--text-dark);line-height:1.6;overflow-x:hidden;}
.header{background:#fff!important;padding:10px 0;position:sticky;top:0;z-index:1000;box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);}
.header-container{max-width:1280px;margin:0 auto;padding:0 var(--space-lg);display:flex;justify-content:space-between;align-items:center;}
.logo{display:flex;align-items:center;gap:var(--space-sm);text-decoration:none;color:var(--text-light);font-size:24px;font-weight:700;}
.logo-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--accent-cyan) 0%,var(--accent-cyan-light) 100%);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:24px;}
.nav-menu{display:flex;gap:var(--space-lg);list-style:none;align-items:center;}
.nav-menu a{color:#1A1A1A;text-decoration:none;font-weight:500;font-size:16px;transition:all 0.3s ease;position:relative;}
.nav-menu a:hover{color:var(--accent-cyan-light);}
.nav-menu a.btn{background:linear-gradient(135deg,#3949AB 0%,#02073a 100%); color:#fff}
.nav-menu a.btn:hover{color:#fff;text-decoration:none;border:0;}
.nav-menu a::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;background:var(--accent-cyan-light);transition:width 0.3s ease;}
.nav-menu a:hover::after{width:100%;}
.nav-menu a.btn::after{width:0;}
.btn{display:inline-block;padding:10px 30px;border-radius:var(--radius-sm);font-size:18px;font-weight:600;text-decoration:none;transition:all 0.3s ease;cursor:pointer;border:none;font-family:inherit;}
.btn-primary{background:linear-gradient(135deg,var(--accent-cyan) 0%,#1072cd 100%);color:var(--text-light);box-shadow:none;}
.btn-primary:hover{transform:translateY(-2px) scale(1.02);box-shadow:0 6px 24px rgba(0,188,212,0.4);}
.btn-secondary{background:transparent;border:2px solid var(--text-light);color:var(--text-light);}
.btn-secondary:hover{background:var(--text-light);color:var(--primary-blue);transform:translateY(-2px);}
.btn-header{padding:10px 28px;font-size:16px;}
.hero{background:linear-gradient(135deg,#02073a 0%,#3949AB 50%,#02073a 100%);position:relative;overflow:hidden;padding:var(--space-3xl) 0;}
.hero::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background-image:radial-gradient(circle at 20% 50%,rgba(0,188,212,0.1) 0%,transparent 50%),radial-gradient(circle at 80% 80%,rgba(94,53,177,0.15) 0%,transparent 50%),radial-gradient(circle at 40% 20%,rgba(38,198,218,0.1) 0%,transparent 50%);animation:pulse 8s ease-in-out infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:0.8;}}
.hero::after{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background-image:linear-gradient(30deg,transparent 48%,rgba(255,255,255,0.02) 49%,rgba(255,255,255,0.02) 51%,transparent 52%),linear-gradient(60deg,transparent 48%,rgba(255,255,255,0.02) 49%,rgba(255,255,255,0.02) 51%,transparent 52%);background-size:80px 80px;opacity:0.5;}
.hero-container{max-width:1280px;margin:0 auto;padding:0 var(--space-lg);position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;align-items:center;}
.hero-title-section{grid-column:1/-1;width:100%;text-align:center;}
.hero-content{animation:fadeInUp 0.8s ease-out;}

@keyframes fadeInUp{from{opacity:0;transform:translateY(30px);}to{opacity:1;transform:translateY(0);}}
.hero-title{font-size:44px;font-weight:800;color:var(--text-light);line-height:1.1;margin:0;text-shadow:0 2px 20px rgba(0,0,0,0.2);animation:fadeInUp 0.8s ease-out;}
.hero-title .highlight{background:linear-gradient(135deg,#FF6F21 0%,#FF6F21 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.hero-subtitle{font-size:22px;color:rgba(255,255,255,0.9);margin-bottom:var(--space-lg);line-height:1.6;}
.hero-cta{display:flex;gap:var(--space-md);margin-bottom:var(--space-lg);}
.hero-visual{position:relative;animation:fadeInRight 0.8s ease-out 0.2s both;}
@keyframes fadeInRight{from{opacity:0;transform:translateX(30px);}to{opacity:1;transform:translateX(0);}}
.hero-image{width:100%;height:auto;border-radius:var(--radius-xl);backdrop-filter:blur(10px);padding:var(--space-md);}
.hero-image img{width:100%;height:auto;display:block;border-radius:var(--radius-md);}
.floating-element{position:absolute;animation:float 6s ease-in-out infinite;}
@keyframes float{0%,100%{transform:translateY(0px);}50%{transform:translateY(-20px);}}
.floating-1{top:10%;right:10%;width:60px;height:60px;background:linear-gradient(135deg,var(--accent-cyan) 0%,var(--accent-cyan-light) 100%);border-radius:50%;opacity:0.2;animation-delay:0s;}
.floating-2{bottom:15%;left:5%;width:80px;height:80px;background:linear-gradient(135deg,var(--secondary-purple) 0%,var(--primary-blue) 100%);border-radius:30% 70% 70% 30%/30% 30% 70% 70%;opacity:0.15;animation-delay:2s;}
.floating-3{top:50%;left:15%;width:40px;height:40px;background:linear-gradient(135deg,var(--accent-cyan-light) 0%,var(--accent-cyan) 100%);border-radius:50%;opacity:0.2;animation-delay:4s;}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-md);margin-top:var(--space-xl);}
.stat-card{background:rgba(255,255,255,0.1);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,0.2);border-radius:var(--radius-lg);padding:17px;text-align:center;transition:all 0.3s ease;}
.stat-card:hover{background:rgba(255,255,255,0.15);transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.stat-number{font-size:40px;font-weight:800;color:var(--text-light);line-height:1;margin-bottom:var(--space-xs);background:linear-gradient(135deg,var(--accent-cyan) 0%,var(--accent-cyan-light) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.stat-label{font-size:15px;color:rgba(255,255,255,0.9);font-weight:500;}
.section{padding:var(--space-3xl) 0;}
.section-alt{background:var(--bg-light);}
.section-dark{background:linear-gradient(135deg,var(--primary-navy) 0%,var(--primary-blue) 100%);color:var(--text-light);}
.container{max-width:1280px;margin:0 auto;padding:0 var(--space-lg);}
.section-header{text-align:center;margin-bottom:var(--space-xl);}
.section-title{font-size:42px;font-weight:800;margin-bottom:var(--space-md);line-height:1.2;}
.section-subtitle{font-size:20px;color:var(--text-gray);max-width:800px;margin:0 auto;}
.section-dark .section-subtitle{color:rgba(255,255,255,0.8);}
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:var(--space-md);margin-top:var(--space-lg);}
.feature-card{background:white;border-radius:var(--radius-lg);padding:var(--space-md);box-shadow:var(--shadow-md);transition:all 0.3s ease;border:1px solid #efe7e7;position:relative;overflow:hidden;}

.feature-card::before{content:'';position:absolute;top:0;left:0;width:100%;height:4px;background:linear-gradient(90deg,var(--accent-cyan) 0%,var(--accent-cyan-light) 100%);transform:scaleX(0);transition:transform 0.3s ease;}
.feature-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:var(--accent-cyan);}
.feature-card:hover::before{transform:scaleX(1);}
.feature-icon{width:30px;height:60px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:32px;}
.feature-title{font-size:20px;font-weight:700;margin-bottom:var(--space-sm);color:var(--text-dark);line-height:22px;}
.feature-description{font-size:16px;color:var(--text-gray);line-height:1.6;}
.challenge-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:var(--space-md);margin-top:var(--space-lg);}
.challenge-card{background:white;border-radius:var(--radius-lg);padding:var(--space-md);box-shadow:var(--shadow-md);text-align:center;transition:all 0.3s ease;border:1px solid #efe7e7;overflow:hidden;}
.challenge-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:var(--accent-cyan);}
.challenge-card:hover::before{transform:scaleX(1);}
.challenge-card::before{content:'';position:absolute;top:0;left:0;width:100%;height:4px;background:linear-gradient(90deg,var(--accent-cyan) 0%,var(--accent-cyan-light) 100%);transform:scaleX(0);transition:transform 0.3s ease;}
.challenge-icon{font-size:48px;margin-bottom:var(--space-md);}
.challenge-stat{font-size:36px;font-weight:800;color:var(--primary-blue);margin-bottom:var(--space-sm);}
.challenge-title{font-size:20px;font-weight:700;margin-bottom:var(--space-sm);color:var(--text-dark);}
.challenge-description{font-size:15px;color:var(--text-gray);line-height:1.6;}
.process-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:var(--space-lg);margin-top:var(--space-lg);position:relative;}
.process-step{text-align:center;position:relative;}
.step-number{width:80px;height:80px;background:linear-gradient(135deg,var(--accent-cyan) 0%,var(--accent-cyan-light) 100%);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:36px;font-weight:800;color:white;margin:0 auto var(--space-md);box-shadow:0 4px 20px rgba(0,188,212,0.4);}
.step-icon{font-size:40px;margin-bottom:var(--space-sm);}
.step-title{font-size:20px;font-weight:700;margin-bottom:var(--space-sm);color:white;}
.step-description{font-size:15px;color:rgba(255,255,255,0.9);line-height:1.6;}
.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:var(--space-md);margin-top:var(--space-lg);}
.pricing-card{background:white;border-radius:var(--radius-lg);padding:var(--space-lg);box-shadow:var(--shadow-md);transition:all 0.3s ease;border:1px solid #efe7e7;position:relative;}
.pricing-card.featured{border-color:var(--accent-cyan);transform:scale(1.05);box-shadow:var(--shadow-xl);}
.pricing-badge{position:absolute;top:-12px;right:var(--space-lg);background:linear-gradient(135deg,var(--accent-cyan) 0%,var(--accent-cyan-light) 100%);color:white;padding:6px 20px;border-radius:20px;font-size:14px;font-weight:600;}
.pricing-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-xl);}
.pricing-name{font-size:24px;font-weight:700;color:var(--text-dark);}
.pricing-price{font-size:36px;font-weight:800;color:var(--primary-blue);margin-bottom:-10px;}
.pricing-period{font-size:16px;color:#05bfd6;font-weight:600;}
.pricing-features{list-style:none;margin-bottom:var(--space-lg);}
.pricing-features li{padding:10px 0;color:var(--text-gray);border-bottom:1px solid #E5E7EB;}
.pricing-features li:last-child{border-bottom:none;}
.cta-section{background:linear-gradient(135deg,var(--secondary-purple) 0%,var(--primary-blue) 100%);padding:var(--space-3xl) 0;text-align:center;position:relative;overflow:hidden;}
.cta-section::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background-image:radial-gradient(circle at 30% 50%,rgba(0,188,212,0.15) 0%,transparent 50%),radial-gradient(circle at 70% 50%,rgba(38,198,218,0.15) 0%,transparent 50%);}
.cta-content{position:relative;z-index:1;}
.cta-title{font-size:44px;font-weight:800;color:white;margin-bottom:var(--space-md);}
.cta-subtitle{font-size:20px;color:rgba(255,255,255,0.9);margin-bottom:var(--space-xl);max-width:700px;margin-left:auto;margin-right:auto;}
.cta-buttons{display:flex;gap:var(--space-md);justify-content:center;}
.footer{background:#02073a;color:var(--text-light);padding:30px}
.footer-content{max-width:1280px;margin:0 auto;padding:0 var(--space-lg);text-align:center;}
.footer-text{color:rgba(255,255,255,0.7);font-size:14px;}
.fade-in{opacity:0;transform:translateY(30px);transition:opacity 0.6s ease,transform 0.6s ease;}
.fade-in.visible{opacity:1;transform:translateY(0);}
.logo{font-family:'Inter',Arial,sans-serif;line-height:1.1;}
.logo .sure,.logo .cafe{font-size:26px;font-weight:700;}
.logo .sure{color:#2563EB;}
.logo .cafe{color:#F97316;}
.logo .by-tiu{display:block;margin-top:2px;font-size:12px;font-weight:400;color:#6B7280;}

/* Video Section Styles */
.video-container{display:flex;gap:var(--space-md);height:555px;margin-top:15px;}
.video-player-section{flex:0 0 72%;display:flex;flex-direction:column;}
.main-video-wrapper{flex:1;background:#000;border-radius:10px;overflow:hidden;box-shadow:var(--shadow-lg);}
.main-video-wrapper video{width:100%;height:100%;object-fit:contain;}
.video-info{margin-top:5px;color:rgba(255,255,255,0.9);}
.current-video-title{font-size:20px;font-weight:700;color:white;}
.video-description{font-size:14px;color:rgba(255,255,255,0.7);line-height:1.5;}

.playlist-section{flex:0 0 28%;background:#fbf9f9;border-radius:10px;overflow:hidden;border:1px solid rgba(255,255,255,0.1);display:flex;flex-direction:column;color: #0a517a;padding: 10px}
.playlist-header{padding:5px;border-bottom:1px solid rgba(255,255,255,0.1);margin-bottom: 20px;border-bottom: solid 1px #c7c7c7;}
.playlist-title{font-size:18px;font-weight:700;color:#424242;margin:0;}
.playlist-items{flex:1;overflow-y:auto;scroll-behavior:smooth;padding: 0 10px 0 0;}
.playlist-items::-webkit-scrollbar{width:6px;}
.playlist-items::-webkit-scrollbar-track{background:rgba(165, 165, 165, 0.05);}
.playlist-items::-webkit-scrollbar-thumb{background:rgba(107, 107, 107, 0.5);border-radius:3px;}
.playlist-items::-webkit-scrollbar-thumb:hover{background:rgba(46, 46, 46, 0.8);}

.playlist-item{padding:10px;border-bottom:1px solid rgba(255,255,255,0.05);cursor:pointer;transition:all 0.3s ease;display:flex;gap:12px;margin-bottom: 10px;border-radius: 7px;}
.playlist-item:hover{background:#d6eaff;}
.playlist-item.active{background:#d6eaff;border-left: 2px solid #005fd4;}
.playlist-item-thumbnail{flex:0 0 60px;height:38px;;overflow:hidden;display:flex;align-items:center;justify-content:center;font-size:24px;color:rgba(255,255,255,0.5);}
.playlist-item-thumbnail img{height:100%;object-fit:cover;}
.playlist-item-content{flex:1;min-width:0;}
.playlist-item-number{font-size:12px;color:rgba(255,255,255,0.5);margin-bottom:2px;}
.playlist-item-title{font-size:13px;font-weight:600;line-height:1.3;margin-bottom:4px;white-space:normal;overflow:hidden;text-overflow:ellipsis;display:-webkit-box; -webkit-box-orient:vertical;}
.playlist-item-duration{font-size:11px;}

@media (max-width:1024px){.video-container{flex-direction:column;height:auto;}.video-player-section{flex:1 1 auto;}.playlist-section{flex:1 1 auto;max-height:400px;}}
.consultation-modal .modal-content{border:0.5px solid gray;box-shadow:0 16px 48px rgba(0,188,212,0.2);}
.consultation-modal .modal-header{background:linear-gradient(135deg,var(--primary-blue) 0%,var(--secondary-purple) 100%);color:white;border:none;padding:15px 30px;}
.consultation-modal .modal-title{font-size:24px;font-weight:800;letter-spacing:-0.5px;}
.consultation-modal .modal-body{padding:30px;}
.consultation-modal .form-label{font-weight:600;color:var(--text-dark);margin-bottom:0px;font-size:14px;}
.consultation-modal .form-control,.consultation-modal .form-select{border:2px solid #e5e7eb;border-radius:8px;padding:12px 16px;font-size:14px;transition:all 0.3s ease;}
.consultation-modal .form-control:focus,.consultation-modal .form-select:focus{border-color:var(--accent-cyan);box-shadow:0 0 0 4px rgba(0,188,212,0.1);}
.consultation-modal .form-group{margin-bottom:10px;}
.consultation-modal .btn-book{border:none;font-weight:700;padding:12px 40px;border-radius:8px;transition:all 0.3s ease;width:100%;margin-top:10px;background:linear-gradient(135deg,#3949AB 0%,#02073a 100%);color:#fff;}
.consultation-modal .btn-book:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,188,212,0.4);color:white;}
.consultation-modal .btn-book:disabled{opacity:0.6;cursor:not-allowed;transform:none;}
.success-message{text-align:center;padding:40px 20px;}
.success-message-icon{width:80px;height:80px;background:var(--success-green);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-size:40px;animation:scaleUp 0.5s ease;}
@keyframes scaleUp{from{transform:scale(0);opacity:0;}to{transform:scale(1);opacity:1;}}
.success-message h3{color:var(--success-green);font-weight:800;margin-bottom:15px;font-size:22px;}
.success-message p{color:var(--text-gray);font-size:16px;line-height:1.6;margin-bottom:0;}
.required-data{color:#d14949;}

/* Hamburger Menu Styles */
.hamburger-menu{
    display:none;
    flex-direction:column;
    background:none;
    border:none;
    cursor:pointer;
    gap:5px;
}

.hamburger-menu span{
    width:25px;
    height:3px;
    background-color:#1A1A1A;
    border-radius:2px;
    transition:all 0.3s ease;
}

.hamburger-menu.active span:nth-child(1){transform:rotate(45deg) translate(8px,8px);}
.hamburger-menu.active span:nth-child(2){opacity:0;}
.hamburger-menu.active span:nth-child(3){transform:rotate(-45deg) translate(7px,-7px);}
.demo-video{margin-bottom: 30px;}

/* ========== RESPONSIVE DESIGN ========== */
/* Tablets (iPad) - 768px to 1024px */
@media (max-width: 1024px) {
    .header-container{padding:0 var(--space-md);align-items:center;justify-content:flex-start;display:flex;flex-wrap:nowrap;flex-direction:row;}
    
    /* Logo */
    a[href="https://surecafe.ai"]{flex:0 0 auto;order:1;}
    
    /* Hamburger Menu - Always visible on iPad */
    .hamburger-menu{display:flex;flex:0 0 auto;margin-left:auto;order:99;}
    
    /* Header Logo */
    img[alt="TIU Consulting Logo"]{height:45px !important;}
    
    /* Navigation - Hidden by default, shown on click */
    nav{width:100%;order:3;}
    
    .nav-menu{
        display:none;
        position:absolute;
        top:60px;
        left:0;
        right:0;
        flex-direction:column;
        gap:0;
        background:white;
        box-shadow:0 4px 12px rgba(0,0,0,0.15);
        padding:var(--space-md);
        width:100%;
        z-index:999;
    }
    
    .nav-menu.active{display:flex;}
    
    .nav-menu li{width:100%;}
    .nav-menu a{display:block;padding:var(--space-sm) 0;font-size:14px;}
    .nav-menu a.btn{padding:10px 20px;font-size:14px;text-align:center;}
    
    .hero{padding:var(--space-2xl) 0;}
    .hero-container{grid-template-columns:1fr 1fr;padding:0 var(--space-md);gap:var(--space-lg);align-items:center;}
    .hero-title-section{grid-column:1/-1;}
    .hero-title{font-size:36px;}
    .hero-subtitle{font-size:18px;}
    .hero-visual{max-width:100%;}
    .hero-image{max-height:400px;}
    .hero-stats{grid-template-columns:repeat(3,1fr);}
    .stat-number{font-size:32px;}
    .stat-label{font-size:13px;}
    
    .section-title{font-size:36px;}
    .section-subtitle{font-size:18px;}
    .features-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));}
    .challenge-grid{grid-template-columns:repeat(2,1fr);}
    .challenge-stat{font-size:32px;}
    .challenge-icon{font-size:40px;}
    
    .process-steps{grid-template-columns:repeat(2,1fr);gap:var(--space-lg);}
    .step-number{width:70px;height:70px;font-size:32px;}
    .step-icon{font-size:36px;}
    
    .pricing-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));}
    .pricing-card.featured{transform:scale(1.02);}
    .cta-title{font-size:36px;}
    .cta-subtitle{font-size:18px;}
    .hero-cta{align-items:center;justify-content: center;}
    .btn{padding:10px 15px;font-size:12px;}
    .btn-header{padding:8px 20px;font-size:14px;}
}

/* Mobile (Small devices) - 480px to 767px */
@media (max-width: 767px) {
    :root{
        --space-lg: 20px;
        --space-md: 16px;
        --space-sm: 12px;
    }
    
    .header{padding:8px 0;}
    .header-container{padding:0 var(--space-md);display:flex;flex-wrap:nowrap;align-items:center;justify-content:flex-start;flex-direction:row;}
    
    /* Logo */
    a[href="https://surecafe.ai"]{flex:1 0 auto;order:1;}
    
    /* Hamburger Menu - Position at end */
    .hamburger-menu{display:flex;flex:0 0 auto;margin-left:auto;order:99;}
    
    /* Header Logo */
    img[alt="TIU Consulting Logo"]{height:40px !important;}
    
    nav{width:100%;order:3;}
    
    .nav-menu{
        display:none;
        position:absolute;
        top:60px;
        left:0;
        right:0;
        flex-direction:column;
        gap:0;
        background:white;
        box-shadow:0 4px 12px rgba(0,0,0,0.15);
        padding:var(--space-md);
        width:100%;
        z-index:999;
    }
    
    .nav-menu.active{display:flex;}
    
    .nav-menu li{width:100%;}
    .nav-menu a{display:block;padding:var(--space-sm) 0;font-size:14px;}
    .nav-menu a.btn{padding:10px 20px;font-size:14px;text-align:center;}
    
    /* Hero Section */
    .hero{padding:var(--space-2xl) 0;}
    .hero-container{grid-template-columns:1fr;padding:0 var(--space-md);gap:var(--space-md);}
    .hero-title{font-size:28px;line-height:1.3;}
    .hero-subtitle{font-size:16px;margin-bottom:var(--space-md);}
    .hero-visual{width:80%;margin:0 auto;max-height:300px;}
    .hero-image{max-height:300px;}
    .hero-stats{grid-template-columns:repeat(3,1fr);gap:var(--space-sm);}
    .stat-card{padding:12px;}
    .stat-number{font-size:28px;}
    .stat-label{font-size:12px;}
    .hero-cta{gap:var(--space-sm);justify-content: center;}
    .btn{padding:12px 15px;font-size:12px;width:100%;}
    
    /* Sections */
    .section{padding:var(--space-2xl) 0;}
    .section-header{margin-bottom:var(--space-lg);}
    .section-title{font-size:28px;margin-bottom:var(--space-md);}
    .section-subtitle{font-size:16px;}
    .container{padding:0 var(--space-md);}
    
    /* Grid Layouts */
    .features-grid{grid-template-columns:1fr;}
    .challenge-grid{grid-template-columns:1fr;}
    .process-steps{grid-template-columns:1fr;}
    .challenge-stat{font-size:28px;}
    .challenge-icon{font-size:36px;}
    .challenge-title{font-size:18px;}
    .challenge-description{font-size:14px;}
    
    .feature-title{font-size:18px;}
    .feature-description{font-size:14px;}
    .feature-icon{font-size:28px;}
    
    /* Process Steps */
    .process-steps{grid-template-columns:1fr;gap:var(--space-md);}
    .step-number{width:60px;height:60px;font-size:28px;}
    .step-icon{font-size:32px;}
    .step-title{font-size:18px;}
    .step-description{font-size:14px;}
    
    /* Pricing */
    .pricing-grid{grid-template-columns:1fr;}
    .pricing-card{padding:var(--space-md);}
    .pricing-card.featured{transform:scale(1);}
    .pricing-name{font-size:20px;}
    .pricing-price{font-size:28px;}
    .pricing-period{font-size:14px;}
    .pricing-badge{font-size:12px;padding:4px 12px;}
    
    /* CTA Section */
    .cta-title{font-size:28px;margin-bottom:var(--space-md);}
    .cta-subtitle{font-size:16px;margin-bottom:var(--space-lg);}
    .cta-buttons{flex-direction:column;gap:var(--space-sm);}
    .cta-buttons .btn{width:100%;}
    
    /* Video Section */
    .video-container{height:auto !important;flex-direction:column !important;}
    .video-player-section{flex:1 !important;}
    .playlist-section{flex:1 !important;max-height:300px !important;margin-top:var(--space-md);}
    .current-video-title{font-size:18px;}
    .video-description{font-size:13px;}
    .playlist-title{font-size:16px;}
    
    /* Footer */
    .footer-text{font-size:13px;}
    .demo-video{margin-bottom: 0px;}
}

/* Extra Small (Very Small Mobile) - Below 480px */
@media (max-width: 479px) {
    :root{
        --space-lg: 16px;
        --space-md: 12px;
        --space-sm: 8px;
    }
    
    .header{padding:6px 0;}
    .header-container{padding:0 var(--space-sm);flex-wrap:nowrap;flex-direction:row;}
    .hamburger-menu{order:99;}
    img[alt="TIU Consulting Logo"]{height:36px !important;}
    
    .hero{padding:var(--space-xl) 0;}
    .hero-container{padding:0 var(--space-sm);}
    .hero-title{font-size:24px;}
    .hero-subtitle{font-size:14px;margin-bottom:20px}
    .hero-visual{display: none;}
    .hero-image{max-height:250px;}
    .hero-stats{grid-template-columns:repeat(3, 1fr);gap:var(--space-sm);margin-top: 30px;}
    .stat-card{padding:10px;}
    .stat-number{font-size:24px;}
    .stat-label{font-size:11px;}
    
    .section{padding:var(--space-xl) 0;}
    .section-title{font-size:24px;}
    .section-subtitle{font-size:14px;}
    .container{padding:0 var(--space-sm);}
    
    .challenge-stat{font-size:24px;}
    .challenge-icon{font-size:32px;}
    .challenge-title{font-size:16px;}
    .challenge-description{font-size:13px;}
    
    .feature-title{font-size:16px;}
    .feature-description{font-size:13px;}
    
    .step-number{width:56px;height:56px;font-size:24px;}
    .step-title{font-size:16px;}
    .step-description{font-size:13px;}
    
    .pricing-name{font-size:18px;}
    .pricing-price{font-size:24px;}
    
    .cta-title{font-size:24px;}
    .cta-subtitle{font-size:14px;}
    
    .playlist-section{max-height:250px !important;}
    .current-video-title{font-size:16px;}
    .video-description{font-size:12px;}
    .playlist-title{font-size:14px;}
    .playlist-item-title{font-size:12px;}
    .demo-video{margin-bottom: 0px;}
}

/* Landscape Mode Adjustments */
@media (max-height: 600px) and (orientation: landscape) {
    .header-container{flex-wrap:nowrap;flex-direction:row;}
    .hamburger-menu{order:99;}
    .hero{padding:var(--space-xl) 0;}
    .hero-title{font-size:40px;}
    .hero-subtitle{font-size:16px;}
    .hero-stats{margin-top:var(--space-md);}
    .demo-video{margin-bottom: 0px;}
}
.social-icons a.social-icon img {opacity: 0.8;transition: opacity 0.3s ease, filter 0.3s ease; display: inline-block;}
.social-icons a.social-icon img:hover {
    opacity: 1;
    filter: brightness(0) saturate(100%) invert(52%) sepia(82%) saturate(3460%) hue-rotate(8deg);
}
.footer-info a{color:rgba(255,255,255,0.75); text-decoration: none !important; font-size: 14px; transition: color 0.3s ease;}
.footer-info a:hover{color:#f66c2d; text-decoration: none !important; font-size: 14px; transition: color 0.3s ease;}
.tiu-consulting{color: var(--text-light); text-decoration: none;}
.tiu-consulting:hover{color: #f66c2d; text-decoration: none !important; font-weight: 600;}