/* hero */
        /* Hero Section - Responsive Design (CareerFoundry style) */
        .hero {
            position: relative;
            overflow: hidden;
            background: var(--bg-primary);
            min-height: 80vh;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 100%;
            max-width: 100vw;
            border-bottom: 1px solid var(--light-gray);
        }
        
        /* Base container - Flexible design */
        .hero-container {
            display: flex;
            flex-direction: column;
            gap: clamp(2rem, 5vw, 4rem);
            align-items: center;
            max-width: 80rem;
            width: 100%;
            margin: 0 auto;
            box-sizing: border-box;
        }



        /* Desktop layout - Từ 769px trở lên */
        @media (min-width: 769px) {
            .hero-container {
                display: flex;
                flex-direction: row;
                gap: clamp(3rem, 6vh, 5rem);
                align-items: center;
                max-width: 80rem;
                text-align: left;
            }
            
            .hero-content {
                flex: 1.2;
                order: 1;
                text-align: left;
            }
            
            .hero-image {
                flex: 1;
                order: 2;
            }

            .hero-title {
                text-align: left;
            }

            .hero-subtitle {
                text-align: left;
            }

            .cta-buttons {
                justify-content: flex-start;
            }

            .social-proof {
                justify-content: flex-start;
            }
        }
        
        .hero-image {
            position: static;
            z-index: auto;
            order: 2;
            display: flex;
            justify-content: center;
            align-items: center;
            width: 100%;
            max-width: 400px;
            margin: 0 auto;
        }
        
        .hero-image img {
            width: 100%;
            height: auto;
            border-radius: 1.5rem;
            box-shadow: 0 2rem 4rem rgba(0,0,0,0.4);
            object-fit: cover;
            max-height: 350px;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .hero-image img:hover {
            transform: translateY(-5px) scale(1.02);
            box-shadow: 0 3rem 6rem rgba(0,0,0,0.5);
        }

        .hero-content {
            position: static;
            z-index: auto;
            color: var(--text);
            text-align: center;
            order: 1;
            width: 100%;
            display: flex;
            flex-direction: column;
            align-items: center;
        }


        /* Hero Title */
        .hero-title {
            font-size: clamp(2rem, 7vw, 3.5rem);
            font-weight: 700;
            line-height: 1.1;
            margin-bottom: 1.5rem;
            text-align: center;
            width: 100%;
        }

        .title-line-1,
        .title-line-2,
        .title-line-3 {
            display: block;
            opacity: 0;
            transform: translateY(50px);
            color: var(--text);
            font-weight: 700;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
        }

        /* Hero Subtitle */
        .hero-subtitle {
            font-size: clamp(1rem, 3.5vw, 1.3rem);
            margin-bottom: clamp(1.5rem, 5vw, 2.5rem);
            opacity: 0;
            transform: translateY(30px);
            text-align: center;
            width: 100%;
            max-width: 500px;
        }

        .subtitle-line {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 400;
            color: var(--dark-gray);
            line-height: 1.6;
            text-shadow: 0 1px 5px rgba(0, 0, 0, 0.2);
        }

        /* Hero Stats */
        .hero-stats {
            display: flex;
            flex-direction: row;
            justify-content: center;
            gap: clamp(1.5rem, 5vw, 3rem);
            margin-bottom: clamp(1.5rem, 5vw, 3.5rem);
            opacity: 0;
            transform: translateY(30px);
            flex-wrap: wrap;
            width: 100%;
        }

        .stat-item {
            text-align: center;
            margin-bottom: 0;
            flex: 1;
            min-width: 80px;
        }

        .stat-number {
            display: block;
            font-size: clamp(1.8rem, 5vw, 2.2rem);
            font-weight: 700;
            color: var(--primary);
        }

        .stat-label {
            display: block;
            font-size: clamp(0.8rem, 2.5vw, 1rem);
            color: var(--gray);
            margin-top: 0.25rem;
            font-weight: 400;
        }

        /* Social Proof */
        .social-proof {
            margin-top: 3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1rem;
            opacity: 0;
            transform: translateY(30px);
            width: 100%;
            flex-direction: column;
        }

        .proof-avatars {
            display: flex;
            align-items: center;
        }

        .proof-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 2px solid var(--white);
            margin-left: -10px;
            object-fit: cover;
            box-shadow: 0 2px 8px var(--shadow-light);
        }

        .proof-avatar:first-child {
            margin-left: 0;
        }

        .proof-plus {
            background: var(--gradient-primary);
            color: var(--white);
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.8rem;
            margin-left: -10px;
            box-shadow: 0 4px 12px var(--shadow-medium);
        }

        .proof-text {
            font-size: 0.9rem;
            color: var(--gray);
            margin: 0;
            font-weight: 500;
        }

    

        .cta-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
            margin:0 auto;
            opacity: 0;
            transform: translateY(30px);
            width: 100%;
            flex-direction: column;
            align-items: center;
        }

        .btn-primary {
            background: var(--gradient-primary);
            color: var(--white);
            border: none;
            box-shadow: 0 4px 12px var(--shadow-medium);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px var(--shadow-dark);
            background: var(--gradient-primary);
        }

        .btn-outline {
            background: var(--white);
            color: var(--text);
            border: 2px solid var(--primary);
            box-shadow: 0 2px 8px var(--shadow-light);
        }

        .btn-outline:hover {
            background: var(--bg-secondary);
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 4px 16px var(--shadow-medium);
        }

        .btn-text {
            font-size: 1.1rem;
            font-weight: 500;
            color: var(--white);
            text-align: center;
        }

        .btn-subtext {
            font-size: 0.8rem;
            opacity: 0.9;
            font-weight: 400;
            color: var(--secondary);
        }

        .pulse-animation {
            animation: pulse-glow 2s infinite;
        }

        @keyframes pulse-glow {
            0%, 100% {
                box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3);
                transform: scale(1);
            }
            50% {
                box-shadow: 0 8px 25px rgba(30, 64, 175, 0.5), 0 0 20px rgba(30, 64, 175, 0.3);
                transform: scale(1.02);
            }
        }

        /* Mobile Responsive - Màn hình ≤ 768px */
        @media (max-width: 48rem) {
            .hero {
                padding: clamp(3rem, 10vh, 5rem) 4% clamp(2rem, 6vh, 3rem);
                min-height: 100vh;
            }
            
            .hero-container {
                gap: 2rem;
                max-width: 100%;
            }
            
            .hero-content {
                order: 1;
                text-align: center;
            }
            
            .hero-image {
                order: 2;
                max-width: 300px;
                margin: 1rem auto 0;
            }
            
            .hero-image img {
                max-width: 280px;
                max-height: 280px;
            }
            
            
            .hero-title {
                font-size: clamp(2rem, 8vw, 2.8rem);
                margin-bottom: 1.2rem;
            }
            
            .hero-subtitle {
                font-size: clamp(1rem, 4vw, 1.15rem);
                margin-bottom: 2rem;
                max-width: 100%;
            }
            
            .hero-stats {
                gap: 1rem;
                margin-bottom: 2rem;
            }
            
            .stat-item {
                min-width: 70px;
            }
            
            .cta-buttons {
                gap: 1.2rem;
            }
            .btn-primary,
            .btn-outline {
                min-width: 280px;
                padding: 1rem 1.5rem;
                font-size: 1rem;
                text-align: center;
                display: flex;
                flex-direction: column;
            }
            .btn-outline {
                display: flex;
                flex-direction: row;
            }
            .btn-primary {
            
            .social-proof {
                gap: 0.8rem;
                margin-top: 2rem;
            }
        }
    }

        /* Tablet responsive - 769px đến 1024px */
        @media (min-width: 769px) and (max-width: 1024px) {
            .hero-container {
                flex-direction: row;
                gap: 3rem;
                max-width: 70rem;
                align-items: center;
            }
            
            .hero-content {
                flex: 1.2;
                order: 1;
                text-align: left;
                align-items: flex-start;
            }
            
            .hero-image {
                flex: 1;
                order: 2;
                max-width: 400px;
            }
            
            .hero-image img {
                max-width: 350px;
                max-height: 350px;
            }


            .hero-title {
                text-align: left;
                font-size: clamp(2.5rem, 5vw, 3rem);
            }

            .hero-subtitle {
                text-align: left;
                max-width: 450px;
            }

            .cta-buttons {
                flex-direction: row;
                justify-content: flex-start;
            }

            .social-proof {
                flex-direction: row;
                justify-content: flex-start;
            }
        }




        /* Desktop - Màn hình ≥ 1025px */
        @media (min-width: 1025px) {
            .hero {
                padding: clamp(5rem, 10vh, 8rem) 
                 5% clamp(3rem, 6vh, 5rem);
            }

            .hero-container {
                flex-direction: row;
                /* gap: clamp(4rem, 8vw, 6rem); */
                max-width: 85rem;
                align-items: center;
            }

            .hero-content {
                flex: 1.2;
                order: 1;
                text-align: left;
                align-items: flex-start;
                max-width: none;

            }


            .hero-title {
                font-size: clamp(3rem, 5vw, 4rem);
                text-align: left;
                margin-bottom: 2rem;
            }

            .title-line-1 {
                text-shadow: 0 0 2rem rgba(255, 255, 255, 0.3);
                color: var(--white);
            }

            .hero-subtitle {
                font-size: clamp(1.2rem, 2.2vw, 1.4rem);
                text-align: left;
                line-height: 1.7;
                margin-bottom: 3rem;
                max-width: 90%;
            }

            .hero-stats {
                flex-direction: row;
                gap: 3rem;
                margin-bottom: 3rem;
                margin-left: 30px;
                justify-content: flex-start;
            }

            .stat-item {
                text-align: center;
                flex: none;
                min-width: fit-content;
            }

            .stat-number {
                font-size: clamp(2rem, 3.5vw, 2.5rem);
                color: var(--primary);
            }

            .title-line-1 {
                color: var(--text);
            }

            .stat-label {
                font-size: 1rem;
                margin-top: 0.5rem;
            }

            .cta-buttons {
                flex-direction: row;
                gap: 1.5rem;
                margin-bottom: 3rem;
                justify-content: flex-start;
            }

            .btn-primary {
                padding: 1rem 2.5rem;
                font-size: 1.1rem;
                min-width: auto;
                flex-direction: column;
                gap: 0.25rem;
            }

            .btn-outline {
                padding: 1rem 2rem;
                font-size: 1rem;
                border: 2px solid rgba(255, 255, 255, 0.4);
            }

            .social-proof {
                flex-direction: row;
                gap: 1.5rem;
                justify-content: flex-start;
                margin-top: 2rem;
            }

            .proof-text {
                font-size: 1rem;
            }

            .hero-image {
                flex: 1;
                order: 2;
                position: relative;
                height: 550px;
                max-width: 50rem;
                margin-bottom: 100px;
            }


            .hero-image img:hover {
                transform: scale(1.02);
            }

            /* Rating badge overlay */
          

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

        }