/* ═══════════════════════════════════════════════════
   STRATOGLIDE – GLOBAL RESET & VARIABLES
   ═══════════════════════════════════════════════════ */
*, *::before, *::after {
    margin: 0; padding: 0; box-sizing: border-box;
}

:root {
    --white:        #ffffff;
    --off-white:    #f2f2f0;
    --light-gray:   #e8e8e6;
    --text-dark:    #1a1a1a;
    --text-mid:     #444444;
    --text-light:   #777777;
    --red:          #d62828;
    --red-border:   #d62828;
    --pink:         #a21f5e;
    --dark-red:     #8b1a1a;
    --orange:       #e07b2e;
    --dark-orange:  #d4652a;
    --green:        #6b8f2e;
    --blue:         #3b8ecb;
    --teal:         #3ba89e;
    --purple:       #7c3aab;
    --olive:        #7a8b3e;
    --gold:         #c9a825;
    --crimson:      #c42745;
    --shadow-sm:    0 2px 8px rgba(0,0,0,.08);
    --shadow-md:    0 6px 24px rgba(0,0,0,.10);
    --radius:       8px;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-dark);
    background: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    -webkit-text-size-adjust: 100%;
}

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

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

/* ─── SHARED BUTTON ─── */
.btn-outline {
    display: inline-block;
    border: 2px solid var(--red);
    color: var(--text-dark);
    font-weight: 600;
    font-size: .95rem;
    padding: 14px 36px;
    min-height: 48px;
    border-radius: 0;
    transition: all .25s ease;
    letter-spacing: .3px;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    box-sizing: border-box;
    line-height: 1.4;
    text-align: center;
}
.btn-outline:hover {
    background: var(--red);
    color: var(--white);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(214, 40, 40, 0.2);
}
.btn-outline:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(214, 40, 40, 0.2);
}

/* ═══════════════════════════════════════════════════
   NAVBAR
   ═══════════════════════════════════════════════════ */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 80px;
    background: var(--white);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--light-gray);
}
.nav-logo { display: flex; flex-direction: column; }
.logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
}
.logo-text {
    font-size: 1.55rem;
    font-weight: 800;
    letter-spacing: -.5px;
    color: var(--text-dark);
}
.logo-highlight { color: var(--red); }
.logo-sub {
    font-size: .62rem;
    letter-spacing: 3.5px;
    color: var(--text-mid);
    margin-top: 1px;
}
.btn-contact {
    border: 2px solid var(--red);
    padding: 14px 36px;
    min-height: 48px;
    font-weight: 600;
    font-size: .95rem;
    border-radius: 0;
    color: var(--text-dark);
    transition: all .25s ease;
    box-sizing: border-box;
    line-height: 1.4;
    white-space: nowrap;
}
.btn-contact:hover {
    background: var(--red);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(214, 40, 40, 0.2);
}
.btn-contact:active {
    transform: translateY(0);
}

/* ═══════════════════════════════════════════════════
   SECTION 1 – HERO
   ═══════════════════════════════════════════════════ */
.hero {
    display: flex;
    align-items: center;
    gap: 60px;
    padding: 80px;
    background: var(--white);
    min-height: 600px;
}
.hero-content {
    flex: 1;
    max-width: 520px;
}
.hero-content h1 {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.12;
    margin-bottom: 20px;
    color: var(--text-dark);
    word-wrap: break-word;
}
.hero-content p {
    color: var(--text-dark);
    font-size: 1.05rem;
    margin-bottom: 32px;
    max-width: 440px;
    line-height: 1.6;
    word-wrap: break-word;
}

.hero-images {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    min-height: 500px;
}
.hero-banner-img {
    width: 100%;
    height: auto;
    max-height: 600px;
    object-fit: contain;
    box-sizing: border-box;
    display: block;
}

/* ═══════════════════════════════════════════════════
   SECTION 2 – DRIVE WITH CONFIDENCE
   ═══════════════════════════════════════════════════ */
.confidence {
    display: flex;
    align-items: center;
    gap: 80px;
    padding: 80px 80px;
    background: var(--white);
}
.confidence-image {
    flex: 1;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    min-height: 500px;
    position: relative;
}
.confidence-section-img {
    width: 100%;
    height: 100%;
    max-height: 500px;
    object-fit: contain;
    box-sizing: border-box;
    display: block;
    border-radius: 0;
}

.confidence-content { flex: 1; }
.confidence-content h2 { font-size: 1.9rem; font-weight: 800; margin-bottom: 20px; }
.confidence-content p { color: var(--text-mid); margin-bottom: 16px; font-size: .97rem; line-height: 1.6; }
.confidence-content .tagline { font-style: normal; margin-bottom: 32px; }

/* ═══════════════════════════════════════════════════
   PRODUCT GRIDS  (sections 3-5)
   ═══════════════════════════════════════════════════ */
.products-section {
    padding: 80px 80px 60px;
    background: var(--off-white);
}
.products-bulk { padding-top: 0; background: var(--off-white); }

.products-header { text-align: center; margin-bottom: 50px; }
.products-header h2 { font-size: 1.9rem; font-weight: 800; margin-bottom: 12px; }
.products-header p  { color: var(--text-mid); max-width: 680px; margin: 0 auto; font-size: .97rem; }

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.product-card {
    background: var(--white);
    border-radius: 0;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all .3s ease;
    box-sizing: border-box;
}
.product-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.product-card-header {
    color: #fff;
    font-weight: 700;
    font-size: .88rem;
    letter-spacing: .8px;
    text-align: center;
    padding: 14px 10px;
}
/* header colour palette */
.pink-bg       { background: var(--pink); }
.red-bg        { background: var(--red); }
.darkred-bg    { background: var(--dark-red); }
.olive-bg      { background: var(--olive); }
.green-bg      { background: var(--green); }
.orange-bg     { background: var(--orange); }
.blue-bg       { background: var(--blue); }
.teal-bg       { background: var(--teal); }
.darkOrange-bg { background: var(--dark-orange); }
.purple-bg     { background: var(--purple); }
.crimson-bg    { background: var(--crimson); }
.gold-bg       { background: var(--gold); }

.product-card-body {
    padding: 28px 16px 22px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}
.product-card-body p { color: var(--text-mid); font-size: .88rem; margin-top: 14px; }
.product-image {
    width: 100%;
    max-width: 120px;
    height: auto;
    max-height: 180px;
    object-fit: contain;
    box-sizing: border-box;
    display: block;
    margin: 0 auto;
}

.shop-btn-wrap {
    text-align: center;
    padding: 40px 0 16px;
}

/* ═══════════════════════════════════════════════════
   SECTION 6 – CAR PROTECTION MADE EASY
   ═══════════════════════════════════════════════════ */
.protection-easy {
    display: flex;
    align-items: stretch;
    background: var(--white);
}
.protection-content {
    flex: 1;
    padding: 80px 80px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.protection-content h2 { font-size: 1.9rem; font-weight: 800; margin-bottom: 12px; }
.protection-content > .sub { color: var(--text-mid); margin-bottom: 36px; font-size: .97rem; line-height: 1.6; }

/* accordion */
.accordion { margin-bottom: 32px; }
.protection-content .btn-outline {
    margin-top: 0;
    align-self: flex-start;
}
.accordion-item { border-bottom: 1px solid var(--light-gray); }
.accordion-btn {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: none; border: none; cursor: pointer;
    padding: 16px 0;
    font-size: 1rem; font-weight: 700;
    color: var(--text-dark);
    text-align: left;
    line-height: 1.5;
    -webkit-tap-highlight-color: transparent;
}
.acc-icon { font-size: 1.3rem; color: var(--text-mid); transition: transform .3s; }
.accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s ease, padding .35s ease;
    color: var(--text-mid);
    font-size: .93rem;
    padding: 0;
    line-height: 1.7;
}
.accordion-item.active .accordion-body {
    max-height: 100px;
    padding-bottom: 16px;
}

.protection-image {
    flex: 1;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    min-height: 500px;
    position: relative;
}
.protection-section-img {
    width: 100%;
    height: 100%;
    max-height: 500px;
    object-fit: contain;
    box-sizing: border-box;
    display: block;
    border-radius: 0;
}

/* ═══════════════════════════════════════════════════
   SECTION 7 – WHY CHOOSE
   ═══════════════════════════════════════════════════ */
.why-choose {
    text-align: center;
    padding: 80px 80px;
    background: var(--off-white);
}
.why-choose h2 { font-size: 1.9rem; font-weight: 800; margin-bottom: 14px; }
.why-sub { color: var(--text-mid); max-width: 700px; margin: 0 auto 48px; font-size: .97rem; }

.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
    max-width: 1200px;
    margin: 0 auto;
}
.why-card {
    background: var(--white);
    border-radius: 0;
    padding: 40px 24px 34px;
    box-shadow: var(--shadow-sm);
    transition: all .3s ease;
    box-sizing: border-box;
}
.why-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.why-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.why-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.why-icon svg { width: 100%; height: 100%; }
.why-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 10px; }
.why-card p  { color: var(--text-mid); font-size: .88rem; line-height: 1.5; }

/* ═══════════════════════════════════════════════════
   SECTION 8 – NANO TECHNOLOGY
   ═══════════════════════════════════════════════════ */
.nano-section {
    display: flex;
    align-items: center;
    gap: 80px;
    padding: 80px 80px;
    background: var(--white);
}
.nano-image {
    flex: 1;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    min-height: 500px;
    position: relative;
}
.nano-section-img {
    width: 100%;
    height: 100%;
    max-height: 500px;
    object-fit: contain;
    box-sizing: border-box;
    display: block;
    border-radius: 0;
}

.nano-content { flex: 1; }
.nano-content h2 { font-size: 1.9rem; font-weight: 800; margin-bottom: 20px; }
.nano-content p  { color: var(--text-mid); margin-bottom: 16px; font-size: .97rem; line-height: 1.6; }
.nano-content .btn-outline { margin-top: 16px; }

/* ═══════════════════════════════════════════════════
   SECTION 9 – PROTECT YOUR CAR TODAY
   ═══════════════════════════════════════════════════ */
.protect-today {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 120px;
    background: var(--white);
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto;
    min-height: 400px;
}
.protect-content { max-width: 440px; }
.protect-content h2 { font-size: 1.9rem; font-weight: 800; margin-bottom: 16px; }
.protect-content p  { color: var(--text-mid); font-size: .97rem; line-height: 1.6; margin-bottom: 24px; }
.protect-content .btn-outline { margin-top: 8px; }

.protect-bottles {
    display: flex;
    gap: 16px;
    align-items: flex-end;
    justify-content: center;
    flex: 1;
    flex-wrap: nowrap;
}
.protect-product-img {
    width: 110px;
    height: auto;
    max-height: 320px;
    object-fit: contain;
    box-sizing: border-box;
    display: block;
}

/* ═══════════════════════════════════════════════════
   SECTIONS 10-11 – FAQ
   ═══════════════════════════════════════════════════ */
.faq-section {
    padding: 80px 80px 60px;
    background: var(--white);
    max-width: 900px;
    margin: 0 auto;
}
.faq-section h2 { font-size: 1.9rem; font-weight: 800; text-align: center; margin-bottom: 44px; }

.faq-list { display: flex; flex-direction: column; }
.faq-item { border-bottom: 1px solid var(--light-gray); }
.faq-btn {
    width: 100%; background: none; border: none; cursor: pointer;
    display: flex; justify-content: space-between; align-items: center;
    padding: 18px 0;
    font-size: 1rem; font-weight: 700; color: var(--text-dark);
    text-align: left;
    -webkit-tap-highlight-color: transparent;
}
.faq-icon { font-size: 1.4rem; color: var(--text-mid); }
.faq-body {
    max-height: 0; overflow: hidden;
    transition: max-height .35s ease, padding .35s ease;
    color: var(--text-mid); font-size: .94rem;
    padding: 0;
}
.faq-item.active .faq-body {
    max-height: 200px;
    padding-bottom: 16px;
}

/* ═══════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════ */
.footer {
    text-align: center;
    padding: 32px 20px;
    background: var(--white);
    border-top: 1px solid var(--light-gray);
    color: var(--text-light);
    font-size: .88rem;
    position: relative;
}
.footer p {
    margin-bottom: 0;
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--blue);
    border: none;
    border-radius: 0;
    color: var(--white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(59, 142, 203, 0.4);
    transition: all 0.3s ease;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    -webkit-tap-highlight-color: transparent;
}
.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}
.scroll-to-top:hover {
    background: #2a6da3;
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(59, 142, 203, 0.5);
}
.scroll-to-top:active {
    transform: translateY(-1px);
}
.scroll-to-top svg {
    width: 24px;
    height: 24px;
    transform: rotate(180deg);
}

/* ═══════════════════════════════════════════════════
   RESPONSIVE HELPERS
   ═══════════════════════════════════════════════════ */
@media (max-width: 1200px) {
    .hero {
        min-height: 550px;
        padding: 60px;
    }
    .hero-content h1 {
        font-size: 2.5rem;
    }
    .hero-images {
        padding-right: 60px;
    }
}

@media (max-width: 900px) {
    .navbar {
        padding: 18px 30px;
    }
    .btn-contact {
        padding: 14px 36px;
        min-height: 48px;
        font-size: .95rem;
    }
    
    .hero {
        flex-direction: column;
        min-height: auto;
        padding: 50px 30px;
        gap: 40px;
    }
    
    .hero-content {
        max-width: 100%;
        text-align: center;
    }
    .hero-content h1 {
        font-size: 2rem;
        margin-bottom: 18px;
    }
    .hero-content p {
        font-size: 1rem;
        margin-bottom: 28px;
        max-width: 100%;
    }
    
    .hero-images {
        width: 100%;
        min-height: 300px;
        padding: 20px;
    }
    .hero-banner-img {
        width: 100%;
        height: auto;
        max-height: 400px;
        object-fit: contain;
    }
    
    .confidence, .protection-easy, .nano-section, .protect-today {
        flex-direction: column;
        padding: 60px 40px;
        gap: 30px;
    }
    
    .products-section {
        padding: 50px 30px 40px;
    }
    .products-header {
        margin-bottom: 36px;
    }
    .products-header h2 {
        font-size: 1.7rem;
    }
    .products-grid, .why-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 18px;
    }
    
    .confidence-image, .protection-image, .nano-image {
        flex: none;
        width: 100%;
        min-height: 280px;
    }
    .confidence-content, .protection-content, .nano-content, .protect-content {
        text-align: center;
        max-width: 100%;
        width: 100%;
    }
    .confidence-content h2, .protection-content h2, .nano-content h2, .protect-content h2 {
        font-size: 1.7rem;
    }
    
    .confidence-image {
        padding: 30px 20px;
        min-height: 350px;
    }
    .confidence-section-img {
        max-height: 350px;
        border-radius: 0;
    }
    
    .nano-image {
        padding: 30px 20px;
        min-height: 350px;
    }
    .nano-section-img {
        max-height: 350px;
        border-radius: 0;
    }
    
    .protection-image {
        padding: 30px 20px;
        min-height: 350px;
    }
    .protection-section-img {
        max-height: 350px;
        border-radius: 0;
    }
    
    .protect-bottles {
        gap: 8px;
        width: 100%;
        display: flex;
        flex-wrap: nowrap;
        justify-content: center;
        align-items: flex-end;
        min-height: 200px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    .protect-product-img {
        width: 80px;
        max-height: 280px;
        flex-shrink: 0;
    }
    
    .why-choose {
        padding: 60px 30px;
    }
    .why-choose h2 {
        font-size: 1.7rem;
    }
    
    .faq-section {
        padding: 60px 30px 50px;
    }
    .faq-section h2 {
        font-size: 1.7rem;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 16px 20px;
        flex-wrap: wrap;
        gap: 12px;
    }
    .nav-logo {
        flex: 1;
        min-width: 0;
    }
    .logo-img {
        height: 45px;
        max-width: 100%;
    }
    .btn-contact {
        display: none;
    }
    
    .hero {
        flex-direction: column;
        padding: 40px 20px;
        min-height: auto;
        gap: 30px;
    }
    .hero-content {
        text-align: center;
    }
    .hero-content h1 {
        font-size: 1.8rem;
        line-height: 1.3;
        margin-bottom: 16px;
    }
    .hero-content p {
        font-size: .95rem;
        line-height: 1.6;
        margin-bottom: 24px;
    }
    .btn-outline {
        padding: 14px 36px;
        min-height: 48px;
        font-size: .95rem;
        line-height: 1.4;
    }
    .hero-images {
        width: 100%;
        min-height: 250px;
        padding: 15px;
    }
    .hero-banner-img {
        width: 100%;
        height: auto;
        max-height: 350px;
        object-fit: contain;
    }
    
    .confidence, .protection-easy, .nano-section, .protect-today {
        padding: 50px 30px;
        gap: 25px;
    }
    
    .products-section {
        padding: 40px 20px 30px;
    }
    .products-header h2 {
        font-size: 1.6rem;
    }
    .products-header p {
        font-size: .9rem;
    }
    
    .confidence-content h2, .protection-content h2, .nano-content h2, .protect-content h2 {
        font-size: 1.6rem;
    }
    .confidence-content p, .protection-content p, .nano-content p, .protect-content p {
        font-size: .9rem;
        line-height: 1.7;
        margin-bottom: 14px;
    }
    .protection-content > .sub {
        line-height: 1.7;
    }
    
    .confidence-image {
        padding: 25px 20px;
        min-height: 320px;
    }
    .confidence-section-img {
        max-height: 320px;
        border-radius: 0;
    }
    
    .nano-image {
        padding: 25px 20px;
        min-height: 320px;
    }
    .nano-section-img {
        max-height: 320px;
        border-radius: 0;
    }
    
    .protection-image {
        padding: 25px 20px;
        min-height: 320px;
    }
    .protection-section-img {
        max-height: 320px;
        border-radius: 0;
    }
    
    .protect-bottles {
        gap: 10px;
        flex-wrap: nowrap;
        justify-content: center;
        align-items: flex-end;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    .protect-product-img {
        width: 75px;
        max-height: 270px;
        flex-shrink: 0;
    }
    
    .why-choose {
        padding: 50px 20px;
    }
    .why-choose h2 {
        font-size: 1.6rem;
    }
    .why-sub {
        font-size: .9rem;
    }
    
    .faq-section {
        padding: 50px 20px 40px;
    }
    .faq-section h2 {
        font-size: 1.6rem;
    }
    .faq-btn {
        padding: 16px 0;
        font-size: .95rem;
    }
    .faq-body {
        font-size: .9rem;
    }
}

@media (max-width: 520px) {
    .navbar {
        padding: 14px 16px;
        flex-wrap: nowrap;
        gap: 8px;
        justify-content: center;
    }
    .nav-logo {
        flex-shrink: 0;
        min-width: 0;
        width: 100%;
        text-align: center;
    }
    .logo-img {
        height: 36px;
        max-width: 100%;
        object-fit: contain;
        margin: 0 auto;
    }
    .btn-contact {
        display: none;
    }
    
    .hero {
        flex-direction: column;
        padding: 35px 16px;
        min-height: auto;
        gap: 25px;
    }
    .hero-content {
        text-align: center;
    }
    .hero-content h1 {
        font-size: 1.5rem;
        line-height: 1.3;
        margin-bottom: 16px;
        word-wrap: break-word;
    }
    .hero-content p {
        font-size: .9rem;
        line-height: 1.6;
        margin-bottom: 24px;
        word-wrap: break-word;
    }
    .btn-outline {
        padding: 14px 28px;
        min-height: 48px;
        font-size: .9rem;
        line-height: 1.4;
        width: auto;
        max-width: 100%;
    }
    .protection-content .btn-outline,
    .confidence-content .btn-outline,
    .nano-content .btn-outline {
        align-self: center;
        width: 100%;
        max-width: 300px;
    }
    .hero-images {
        width: 100%;
        min-height: 200px;
        padding: 10px;
    }
    .hero-banner-img {
        width: 100%;
        height: auto;
        max-height: 300px;
        object-fit: contain;
    }
    
    .confidence, .protection-easy, .nano-section, .protect-today {
        padding: 40px 20px;
        gap: 20px;
    }
    
    .products-section {
        padding: 35px 16px 25px;
    }
    .products-header {
        margin-bottom: 28px;
    }
    .products-header h2 {
        font-size: 1.4rem;
        margin-bottom: 10px;
    }
    .products-header p {
        font-size: .85rem;
    }
    .products-grid, .why-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .product-card,
    .why-card {
        width: 100%;
        max-width: 100%;
    }
    .product-card-body {
        padding: 24px 14px 20px;
    }
    .product-image {
        max-width: 110px;
        max-height: 170px;
        width: 100%;
        height: auto;
    }
    .product-card-body p {
        font-size: .85rem;
        line-height: 1.5;
        margin-top: 12px;
    }
    
    .confidence-content h2, .protection-content h2, .nano-content h2,
    .protect-content h2, .faq-section h2, .products-header h2, .why-choose h2 {
        font-size: 1.4rem;
        line-height: 1.3;
        margin-bottom: 12px;
        word-wrap: break-word;
    }
    .confidence-content p, .protection-content p, .nano-content p,
    .protect-content p {
        font-size: .85rem;
        line-height: 1.7;
        margin-bottom: 14px;
        word-wrap: break-word;
    }
    
    .confidence-image, .protection-image, .nano-image {
        min-height: 250px;
        padding: 20px 16px;
        width: 100%;
    }
    .confidence-section-img,
    .protection-section-img,
    .nano-section-img {
        max-height: 250px;
        width: 100%;
        height: auto;
        border-radius: 0;
        object-fit: contain;
    }
    
    .protect-bottles {
        gap: 6px;
        flex-wrap: nowrap;
        justify-content: center;
        align-items: flex-end;
        width: 100%;
        display: flex;
        min-height: 180px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding: 0 8px;
    }
    .protect-product-img {
        width: 70px;
        max-width: none;
        height: auto;
        max-height: 240px;
        flex-shrink: 0;
    }
    
    .why-choose {
        padding: 40px 16px;
    }
    .why-choose h2 {
        font-size: 1.4rem;
    }
    .why-sub {
        font-size: .85rem;
        margin-bottom: 36px;
    }
    .why-card {
        padding: 32px 20px 28px;
        box-sizing: border-box;
    }
    .why-icon {
        width: 50px;
        height: 50px;
        margin-bottom: 16px;
    }
    .why-card h3 {
        font-size: .95rem;
        line-height: 1.4;
        margin-bottom: 10px;
    }
    .why-card p {
        font-size: .85rem;
        line-height: 1.5;
    }
    
    .accordion-btn {
        padding: 14px 0;
        min-height: 44px;
        font-size: .9rem;
        line-height: 1.5;
    }
    .accordion-body {
        font-size: .85rem;
        line-height: 1.7;
    }
    
    .faq-section {
        padding: 40px 16px 35px;
    }
    .faq-section h2 {
        font-size: 1.4rem;
        line-height: 1.3;
        margin-bottom: 32px;
    }
    .faq-btn {
        padding: 14px 0;
        min-height: 44px;
        font-size: .9rem;
        line-height: 1.5;
    }
    .faq-body {
        font-size: .85rem;
        line-height: 1.7;
    }
    .faq-item.active .faq-body {
        max-height: 150px;
    }
    
    .shop-btn-wrap {
        padding: 32px 0 12px;
    }
    .shop-btn-wrap .btn-outline {
        width: 100%;
        max-width: 300px;
    }
    
    .footer {
        padding: 28px 16px;
        font-size: .8rem;
        line-height: 1.6;
    }
    .footer p {
        margin-bottom: 6px;
    }
    .scroll-to-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
    }
    .scroll-to-top svg {
        width: 20px;
        height: 20px;
    }
}