:root {
            --cream: #FAF8F5; --black: #1A1A1A; --gold: #C9A96E;
            --gold-light: #E8D5B0; --gold-dark: #A07840;
            --grey: #4A4A4A; --border: rgba(201,169,110,0.38);
        }
        *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body { background: var(--cream); color: var(--black); font-family: 'DM Sans', sans-serif; font-weight: 400; line-height: 1.7; overflow-x: hidden; }
        body::after { content: ''; position: fixed; inset: 0; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E"); pointer-events: none; z-index: 9000; }

        nav { position: fixed; top: 0; left: 0; right: 0; z-index: 999; display: flex; align-items: center; justify-content: space-between; padding: 1.6rem 4rem; background: rgba(250,248,245,0.88); backdrop-filter: blur(12px); transition: all 0.4s ease; }
        nav.scrolled { background: rgba(250,248,245,0.97); backdrop-filter: blur(20px); padding: 1rem 4rem; border-bottom: 1px solid var(--border); box-shadow: 0 2px 30px rgba(26,26,26,0.07); }
        .logo { font-family: 'Cormorant Garamond', serif; font-size: 1.65rem; font-weight: 500; letter-spacing: 0.04em; color: var(--black); text-decoration: none; }
        .logo span { color: var(--gold); }
        .nav-links { display: flex; align-items: center; gap: 2.4rem; list-style: none; }
        .nav-links a { text-decoration: none; color: var(--black); font-size: 0.8rem; font-weight: 400; letter-spacing: 0.1em; text-transform: uppercase; position: relative; transition: color 0.3s; }
        .nav-links a::after { content: ''; position: absolute; bottom: -3px; left: 0; width: 0; height: 1px; background: var(--gold); transition: width 0.3s ease; }
        .nav-links a:hover::after { width: 100%; }
        .nav-links a.active { color: var(--gold); }
        .nav-links a.active::after { width: 100%; }
        .nav-cta { background: var(--gold) !important; color: var(--black) !important; padding: 0.55rem 1.3rem !important; font-weight: 500 !important; }
        .nav-cta::after { display: none !important; }
        .nav-cta:hover { background: var(--gold-dark) !important; transform: translateY(-1px); }

        /* NAV TOGGLE (mobile) */
        .nav-toggle {
            display: none; width: 44px; height: 44px;
            align-items: center; justify-content: center;
            flex-direction: column; gap: 5px; flex-shrink: 0;
            background: none; border: none; cursor: pointer; z-index: 1001;
        }
        .nav-toggle span { display: block; width: 22px; height: 1px; background: var(--black); transition: transform 0.3s ease, opacity 0.3s ease; }
        .nav-toggle.active span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
        .nav-toggle.active span:nth-child(2) { opacity: 0; }
        .nav-toggle.active span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
        .nav-overlay { display: none; position: fixed; inset: 0; background: rgba(26,26,26,0.45); z-index: 998; }
        .nav-overlay.active { display: block; }

        /* PAGE HERO — cream với background banner */
        .page-hero {
            padding: 10rem 4rem 6rem; position: relative; overflow: hidden;
            background-color: var(--cream);
            background-image:
                linear-gradient(to right, rgba(250,248,245,0.97) 0%, rgba(250,248,245,0.88) 38%, rgba(250,248,245,0.45) 62%, transparent 80%),
                url('../images/coaching-banner.png');
            background-size: cover; background-position: right 78px;
        }
        .page-hero::after { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--gold); }
        .page-hero-inner { position: relative; z-index: 1; max-width: 700px; }
        .page-title { font-family: 'Cormorant Garamond', serif; font-size: clamp(2.6rem, 5vw, 4.5rem); font-weight: 300; line-height: 1.1; margin-bottom: 1.4rem; }
        .page-title em { font-style: italic; color: var(--gold); }
        .page-sub { font-size: 1.05rem; color: var(--grey); max-width: 500px; line-height: 1.85; }

        .s-eye { font-size: 0.73rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold); display: flex; align-items: center; gap: 0.8rem; margin-bottom: 1.4rem; }
        .s-eye::before { content: ''; width: 28px; height: 1px; background: var(--gold); }
        .s-eye.center { justify-content: center; }
        .s-eye.center::before { display: none; }
        .s-title { font-family: 'Cormorant Garamond', serif; font-size: clamp(1.8rem, 3.2vw, 3rem); font-weight: 300; line-height: 1.2; }
        .s-title em { font-style: italic; color: var(--gold); }
        .gold-rule { width: 50px; height: 1px; background: var(--gold); margin: 1.8rem 0; }
        .gold-rule.center { margin: 1.8rem auto; }
        section { padding: 6rem 4rem; }

        /* FOR WHO */
        #for-who { background: #F4F1EC; }
        .for-who-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center; }
        .who-list { list-style: none; margin-top: 2rem; }
        .who-list li { font-size: 0.92rem; color: var(--grey); padding: 0.8rem 0; border-bottom: 1px solid var(--border); display: flex; align-items: flex-start; gap: 0.8rem; line-height: 1.65; }
        .who-list li::before { content: '→'; color: var(--gold); flex-shrink: 0; font-size: 1rem; }
        .who-not { background: var(--cream); border: 1px solid var(--border); padding: 2.5rem; }
        .who-not-title { font-family: 'Cormorant Garamond', serif; font-size: 1.3rem; font-weight: 500; margin-bottom: 1rem; }
        .who-not-list { list-style: none; }
        .who-not-list li { font-size: 0.87rem; color: var(--grey); padding: 0.5rem 0; display: flex; gap: 0.7rem; }
        .who-not-list li::before { content: '—'; color: rgba(26,26,26,0.3); flex-shrink: 0; }

        /* PROCESS */
        #process { }
        .process-intro { max-width: 600px; margin-bottom: 4rem; }
        .process-steps { display: grid; gap: 0; }
        .process-step { display: grid; grid-template-columns: 120px 1fr; gap: 3rem; padding: 3rem 0; border-bottom: 1px solid var(--border); align-items: start; }
        .process-step:last-child { border-bottom: none; }
        .ps-num { font-family: 'Cormorant Garamond', serif; font-size: 5rem; font-weight: 300; color: var(--gold-light); line-height: 1; }
        .ps-title { font-family: 'Cormorant Garamond', serif; font-size: 1.6rem; font-weight: 500; margin-bottom: 0.6rem; }
        .ps-desc { font-size: 0.9rem; color: var(--grey); line-height: 1.85; }
        .ps-detail { margin-top: 1rem; }
        .ps-detail li { font-size: 0.85rem; color: rgba(107,107,107,0.8); list-style: none; padding: 0.3rem 0; display: flex; gap: 0.5rem; }
        .ps-detail li::before { content: '·'; color: var(--gold); }

        /* PACKAGES */
        #packages { background: var(--black); color: var(--cream); }
        #packages .s-title { color: var(--cream); }
        .pkg-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; margin-top: 4rem; }
        .pkg-card { border: 1px solid rgba(201,169,110,0.2); padding: 2.6rem; position: relative; transition: all 0.4s; }
        .pkg-card.featured { border-color: var(--gold); background: rgba(201,169,110,0.06); }
        .pkg-badge { position: absolute; top: -1px; left: 50%; transform: translateX(-50%); background: var(--gold); color: var(--black); font-size: 0.65rem; letter-spacing: 0.12em; text-transform: uppercase; padding: 0.25rem 1rem; font-weight: 500; white-space: nowrap; }
        .pkg-name { font-family: 'Cormorant Garamond', serif; font-size: 1.6rem; font-weight: 400; color: var(--cream); margin-bottom: 0.3rem; }
        .pkg-desc { font-size: 0.83rem; color: rgba(250,248,245,0.5); margin-bottom: 1.5rem; line-height: 1.7; }
        .pkg-price { font-family: 'Cormorant Garamond', serif; font-size: 1.4rem; color: var(--gold); margin-bottom: 1.8rem; }
        .pkg-list { list-style: none; margin-bottom: 2rem; }
        .pkg-list li { font-size: 0.86rem; color: rgba(250,248,245,0.65); padding: 0.5rem 0; border-bottom: 1px solid rgba(255,255,255,0.05); display: flex; gap: 0.6rem; }
        .pkg-list li::before { content: '✓'; color: var(--gold); flex-shrink: 0; }
        .btn-gold { background: var(--gold); color: var(--black); padding: 0.85rem 2rem; text-decoration: none; font-size: 0.8rem; letter-spacing: 0.12em; text-transform: uppercase; font-weight: 500; display: block; text-align: center; transition: all 0.3s; border: none; cursor: pointer; font-family: 'DM Sans', sans-serif; width: 100%; }
        .btn-gold:hover { background: var(--gold-light); transform: translateY(-2px); }
        .btn-outline { background: transparent; color: rgba(250,248,245,0.6); border: 1px solid rgba(201,169,110,0.3); padding: 0.85rem 2rem; text-decoration: none; font-size: 0.8rem; letter-spacing: 0.12em; text-transform: uppercase; font-weight: 400; display: block; text-align: center; transition: all 0.3s; width: 100%; cursor: pointer; font-family: 'DM Sans', sans-serif; }
        .btn-outline:hover { border-color: var(--gold); color: var(--gold); }

        /* BOOKING */
        #booking { }
        .booking-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: start; }
        .booking-info p { font-size: 0.95rem; color: var(--grey); line-height: 1.9; margin-bottom: 1rem; }
        .booking-steps { list-style: none; margin-top: 2rem; }
        .booking-steps li { font-size: 0.88rem; color: var(--grey); padding: 0.8rem 0; border-bottom: 1px solid var(--border); display: flex; gap: 1rem; align-items: flex-start; }
        .booking-step-n { font-family: 'Cormorant Garamond', serif; font-size: 1.3rem; color: var(--gold); line-height: 1; flex-shrink: 0; min-width: 24px; }
        .booking-form { background: var(--black); padding: 3rem; }
        .booking-form-title { font-family: 'Cormorant Garamond', serif; font-size: 1.7rem; color: var(--cream); margin-bottom: 0.4rem; }
        .booking-form-sub { font-size: 0.83rem; color: rgba(250,248,245,0.45); margin-bottom: 2rem; line-height: 1.6; }
        .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1rem; }
        .form-group { margin-bottom: 1rem; }
        .form-label { font-size: 0.73rem; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(250,248,245,0.4); display: block; margin-bottom: 0.4rem; }
        .form-group input, .form-group select, .form-group textarea { width: 100%; padding: 0.85rem 1rem; background: rgba(255,255,255,0.05); border: 1px solid rgba(201,169,110,0.18); color: var(--cream); font-family: 'DM Sans', sans-serif; font-size: 0.9rem; outline: none; transition: all 0.3s; resize: vertical; }
        .form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--gold); background: rgba(255,255,255,0.08); }
        .form-group input::placeholder, .form-group textarea::placeholder { color: rgba(250,248,245,0.3); }
        .form-group select option { background: var(--black); }

        /* TESTIMONIALS */
        #testimonials { background: #F4F1EC; }
        .testi-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.8rem; margin-top: 3.5rem; }
        .testi-card { background: var(--cream); border: 1px solid var(--border); padding: 2.4rem; position: relative; }
        .testi-card::before { content: '\201C'; font-family: 'Cormorant Garamond', serif; font-size: 5.5rem; color: rgba(201,169,110,0.12); position: absolute; top: -0.6rem; left: 1.6rem; line-height: 1; }
        .stars { color: var(--gold); font-size: 0.8rem; margin-bottom: 0.9rem; letter-spacing: 0.12em; }
        .testi-p { font-size: 0.9rem; color: var(--grey); line-height: 1.85; margin-bottom: 1.5rem; position: relative; z-index: 1; }
        .testi-author { display: flex; align-items: center; gap: 0.9rem; }
        .testi-avatar { width: 44px; height: 44px; border-radius: 50%; background: linear-gradient(135deg, var(--gold-light), var(--gold)); flex-shrink: 0; display: flex; align-items: center; justify-content: center; font-family: 'Cormorant Garamond', serif; font-size: 1.1rem; color: var(--black); }
        .testi-name { font-family: 'Cormorant Garamond', serif; font-size: 0.98rem; font-weight: 500; }
        .testi-role { font-size: 0.75rem; color: var(--grey); }

        /* FAQ */
        #faq { max-width: 720px; margin: 0 auto; padding: 6rem 4rem; }
        .faq-item { border-bottom: 1px solid var(--border); padding: 1.5rem 0; cursor: pointer; }
        .faq-q { font-family: 'Cormorant Garamond', serif; font-size: 1.2rem; font-weight: 500; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
        .faq-q span { color: var(--gold); font-family: 'DM Sans', sans-serif; font-size: 1.2rem; font-weight: 300; transition: transform 0.3s; flex-shrink: 0; }
        .faq-a { font-size: 0.9rem; color: var(--grey); line-height: 1.85; max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.3s; }
        .faq-item.open .faq-a { max-height: 200px; padding-top: 0.8rem; }
        .faq-item.open .faq-q span { transform: rotate(45deg); }

        footer { background: var(--black); color: var(--cream); padding: 5rem 4rem 2.5rem; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; padding-bottom: 3rem; border-bottom: 1px solid rgba(201,169,110,0.18); margin-bottom: 2rem; }
        .footer-logo { font-family: 'Cormorant Garamond', serif; font-size: 1.5rem; font-weight: 500; color: var(--cream); text-decoration: none; letter-spacing: 0.04em; display: block; margin-bottom: 1rem; }
        .footer-logo span { color: var(--gold); }
        .footer-tag { font-size: 0.86rem; color: rgba(250,248,245,0.7); line-height: 1.8; max-width: 240px; margin-bottom: 1.5rem; }
        .footer-socials { display: flex; gap: 0.8rem; }
        .soc { width: 34px; height: 34px; border: 1px solid rgba(201,169,110,0.45); display: flex; align-items: center; justify-content: center; color: rgba(250,248,245,0.72); text-decoration: none; transition: all 0.3s; }
        .soc:hover { border-color: var(--gold); color: var(--gold); }
        .soc svg { width: 14px; height: 14px; fill: currentColor; }
        .footer-col-h { font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--gold); margin-bottom: 1.4rem; }
        .footer-col ul { list-style: none; }
        .footer-col ul li { margin-bottom: 0.65rem; }
        .footer-col ul li a { font-size: 0.86rem; color: rgba(250,248,245,0.72); text-decoration: none; transition: color 0.3s; }
        .footer-col ul li a:hover { color: var(--gold); }
        .footer-bottom { display: flex; justify-content: space-between; }
        .footer-copy { font-size: 0.75rem; color: rgba(250,248,245,0.5); }

        .reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.65s ease, transform 0.65s ease; }
        .reveal.in { opacity: 1; transform: none; }

        @media (max-width: 1100px) {
            nav { padding: 1.5rem 2.5rem; } nav.scrolled { padding: 1rem 2.5rem; }
            section, .page-hero { padding-left: 2.5rem; padding-right: 2.5rem; }
            .for-who-grid, .booking-grid { grid-template-columns: 1fr; gap: 3rem; }
            .pkg-grid { grid-template-columns: 1fr 1fr; }
            .testi-grid { grid-template-columns: 1fr 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            nav { padding: 1rem 1.5rem; }
            .nav-toggle { display: flex; }
            .nav-links {
                position: fixed; top: 0; right: -85%; width: 80%; max-width: 320px; height: 100vh;
                background: var(--cream); flex-direction: column; align-items: flex-start; justify-content: center;
                gap: 2.2rem; padding: 6rem 2.5rem 2rem; transition: right 0.4s ease; z-index: 999;
                box-shadow: -16px 0 50px rgba(26,26,26,0.12);
            }
            .nav-links.active { right: 0; }
            .nav-links a { font-size: 0.95rem; }
            .page-hero {
                background-image: linear-gradient(to bottom, rgba(250,248,245,0.05) 0%, rgba(250,248,245,0.55) 16%, rgba(250,248,245,0.92) 30%, rgba(250,248,245,0.99) 42%, var(--cream) 100%), url('../images/coaching-banner-mobile.png');
                background-position: center top; background-size: cover;
            }
            section, .page-hero { padding-left: 1.5rem; padding-right: 1.5rem; }
            .pkg-grid, .testi-grid { grid-template-columns: 1fr; }
            .process-step { grid-template-columns: 60px 1fr; gap: 1.5rem; }
            .form-row { grid-template-columns: 1fr; }
            #faq { padding: 5rem 1.5rem; }
            .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
            .footer-bottom { flex-direction: column; gap: 0.6rem; align-items: flex-start; }
            .soc { width: 44px; height: 44px; }
        }
        @media (prefers-reduced-motion: reduce) {
            *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
        }