/* =============================================================
   SOFYA AMBALAJ - Main Stylesheet
   Bootstrap-free, PageSpeed 100 hedefli
   ============================================================= */

/* 1. RESET & BASE
-------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    font-size: 1rem;
    line-height: 1.65;
    color: var(--color-text);
    background: var(--color-white);
    -webkit-font-smoothing: antialiased;
}

img, picture { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { background: none; border: none; cursor: pointer; font: inherit; }
address { font-style: normal; }
h1, h2, h3, h4 { line-height: 1.25; overflow-wrap: break-word; }

/* 2. DESIGN TOKENS
-------------------------------------------------------------- */
:root {
    /* Brand colors — from logo */
    --color-primary:       #3D8B7A;
    --color-primary-hover: #2E7060;
    --color-primary-dark:  #2C6B5E;
    --color-primary-light: #5AA898;
    --color-primary-bg:    #EBF5F2;
    --color-primary-bg-soft: #F2FAF8;

    /* Text */
    --color-text:           #1A2E2A;
    --color-text-secondary: #4A6B64;
    --color-text-muted:     #6B8A83;

    /* Surfaces */
    --color-bg:     #F7FBFA;
    --color-white:  #FFFFFF;
    --color-border: #D0E8E3;
    --color-border-light: #E8F3F0;

    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(44,107,94,.07);
    --shadow-sm: 0 2px 6px rgba(44,107,94,.10);
    --shadow-md: 0 4px 16px rgba(44,107,94,.12);
    --shadow-lg: 0 12px 32px rgba(44,107,94,.15);

    /* Radii */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Transitions */
    --t: .2s ease;
    --t-slow: .35s ease;

    /* Layout */
    --container-max:  1200px;
    --container-pad:  clamp(1rem, 4vw, 2rem);
    --section-py:     clamp(3rem, 6vw, 5rem);
    --header-height:  70px;
}

/* 3. LAYOUT UTILITIES
-------------------------------------------------------------- */
.container {
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-pad);
}

/* 4. ACCESSIBILITY
-------------------------------------------------------------- */
.skip-link {
    position: absolute;
    top: -100%;
    left: 1rem;
    background: var(--color-primary);
    color: #fff;
    padding: .5rem 1rem;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    font-weight: 600;
    z-index: 9999;
    transition: top var(--t);
}
.skip-link:focus { top: 0; }

:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 3px;
}

/* 5. BUTTONS
-------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    padding: .65rem 1.5rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: .95rem;
    transition: background var(--t), color var(--t), border-color var(--t), box-shadow var(--t), transform var(--t);
    white-space: nowrap;
    text-decoration: none;
    border: 2px solid transparent;
    cursor: pointer;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}
.btn--primary:hover {
    background: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
    box-shadow: var(--shadow-md);
}

.btn--outline {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}
.btn--outline:hover {
    background: var(--color-primary-bg);
}

.btn--outline-white {
    background: transparent;
    color: #fff;
    border-color: rgba(255,255,255,.7);
}
.btn--outline-white:hover {
    background: rgba(255,255,255,.15);
    border-color: #fff;
}

.btn--white {
    background: #fff;
    color: var(--color-primary);
    border-color: #fff;
    box-shadow: var(--shadow-sm);
}
.btn--white:hover {
    background: var(--color-primary-bg);
    box-shadow: var(--shadow-md);
}

.btn--lg { padding: .8rem 2rem; font-size: 1.05rem; }
.btn--block { width: 100%; justify-content: center; }

/* 6. HEADER & NAV
-------------------------------------------------------------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: #fff;
    border-bottom: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-xs);
    height: var(--header-height);
}

.navbar {
    display: flex;
    align-items: center;
    gap: 1rem;
    height: var(--header-height);
}

.navbar-brand img { display: block; }

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    padding: 6px;
    border-radius: var(--radius-md);
    transition: background var(--t);
    margin-left: auto;
}
.nav-toggle:hover { background: var(--color-primary-bg); }
.nav-toggle__bar {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: transform var(--t), opacity var(--t);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
    opacity: 0;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-left: auto;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: .25rem;
}

.nav-link {
    display: block;
    padding: .45rem .75rem;
    font-size: .93rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    border-radius: var(--radius-md);
    transition: color var(--t), background var(--t);
}
.nav-link:hover,
.nav-link--dropdown-toggle:hover {
    color: var(--color-primary);
    background: var(--color-primary-bg-soft);
}

/* Dropdown */
.nav-item--dropdown { position: relative; }

.nav-link--dropdown-toggle {
    display: flex;
    align-items: center;
    gap: .35rem;
    padding: .45rem .75rem;
    font-size: .93rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    border-radius: var(--radius-md);
    transition: color var(--t), background var(--t);
    border: none;
    background: none;
    cursor: pointer;
}

.nav-dropdown {
    position: absolute;
    top: calc(100% + .5rem);
    left: 0;
    background: #fff;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    min-width: 220px;
    padding: .5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity var(--t), visibility var(--t), transform var(--t);
    pointer-events: none;
}

.nav-item--dropdown:hover .nav-dropdown,
.nav-item--dropdown:focus-within .nav-dropdown,
.nav-item--dropdown .nav-dropdown.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.nav-dropdown__link {
    display: block;
    padding: .6rem .85rem;
    font-size: .9rem;
    color: var(--color-text-secondary);
    border-radius: var(--radius-sm);
    transition: background var(--t), color var(--t);
}
.nav-dropdown__link:hover {
    background: var(--color-primary-bg);
    color: var(--color-primary);
}

.nav-cta { font-size: .9rem; padding: .5rem 1.1rem; }

/* 7. HERO SECTION
-------------------------------------------------------------- */
.hero {
    background: linear-gradient(135deg, var(--color-primary-bg-soft) 0%, var(--color-primary-bg) 100%);
    padding: clamp(3rem, 8vw, 6rem) 0;
}

.hero__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero__text { max-width: 560px; }

.hero__badge {
    display: inline-block;
    background: var(--color-primary);
    color: #fff;
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: .05em;
    text-transform: uppercase;
    padding: .3rem .85rem;
    border-radius: var(--radius-full);
    margin-bottom: 1.25rem;
}

.hero__title {
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--color-text);
    margin-bottom: 1.25rem;
    letter-spacing: -.02em;
}

.text-highlight { color: var(--color-primary); }

.hero__desc {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.hero__actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.hero__trust {
    display: flex;
    gap: .75rem;
    flex-wrap: wrap;
}

.trust-badge {
    font-size: .82rem;
    color: var(--color-primary-dark);
    font-weight: 600;
    background: rgba(61,139,122,.1);
    padding: .25rem .65rem;
    border-radius: var(--radius-full);
}

.hero__image img {
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    width: 100%;
    object-fit: cover;
}

/* 8. SECTION HEADERS
-------------------------------------------------------------- */
.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 3rem;
}

.section-title {
    font-size: clamp(1.6rem, 3vw, 2.25rem);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: .75rem;
    letter-spacing: -.02em;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* 9. PRODUCTS SECTION
-------------------------------------------------------------- */
.products-section {
    padding: var(--section-py) 0;
    background: var(--color-white);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.product-card {
    background: #fff;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: box-shadow var(--t-slow), transform var(--t-slow);
    box-shadow: var(--shadow-sm);
}
.product-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.product-card__image-link {
    display: block;
    overflow: hidden;
    aspect-ratio: 4/3;
    background: var(--color-primary-bg-soft);
}
.product-card__image-link img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--t-slow);
}
.product-card:hover .product-card__image-link img {
    transform: scale(1.04);
}

.product-card__body { padding: 1.75rem; }

.product-card__badges {
    display: flex;
    gap: .5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.badge {
    font-size: .75rem;
    font-weight: 600;
    padding: .2rem .65rem;
    border-radius: var(--radius-full);
    letter-spacing: .03em;
}
.badge--green  { background: #d4edda; color: #155724; }
.badge--teal   { background: var(--color-primary-bg); color: var(--color-primary-dark); }
.badge--outline { border: 1px solid var(--color-border); color: var(--color-text-secondary); }

.product-card__title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: .75rem;
}
.product-card__title a {
    color: var(--color-text);
    transition: color var(--t);
}
.product-card__title a:hover { color: var(--color-primary); }

.product-card__desc {
    color: var(--color-text-secondary);
    font-size: .95rem;
    margin-bottom: 1.25rem;
    line-height: 1.65;
}

.product-card__features {
    list-style: none;
    margin-bottom: 1.5rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .35rem .75rem;
}
.product-card__features li {
    font-size: .85rem;
    color: var(--color-text-secondary);
    padding-left: 1.1rem;
    position: relative;
}
.product-card__features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
}

/* 10. FEATURES SECTION
-------------------------------------------------------------- */
.features-section {
    padding: var(--section-py) 0;
    background: var(--color-bg);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.feature-card {
    background: #fff;
    padding: 2rem 1.5rem;
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid var(--color-border-light);
    transition: box-shadow var(--t), transform var(--t);
}
.feature-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.feature-card__icon {
    font-size: 2.25rem;
    margin-bottom: 1rem;
    display: block;
}

.feature-card__title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: .5rem;
}

.feature-card__desc {
    font-size: .88rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* 11. PROCESS SECTION
-------------------------------------------------------------- */
.process-section {
    padding: var(--section-py) 0;
    background: var(--color-white);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    counter-reset: none;
    list-style: none;
    position: relative;
}
.process-steps::before {
    content: "";
    position: absolute;
    top: 28px;
    left: calc(100% / 6);
    right: calc(100% / 6);
    height: 2px;
    background: linear-gradient(to right, var(--color-primary-bg), var(--color-primary), var(--color-primary-bg));
}

.process-step {
    text-align: center;
    position: relative;
}

.process-step__number {
    width: 56px;
    height: 56px;
    background: var(--color-primary);
    color: #fff;
    font-size: 1.3rem;
    font-weight: 800;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
    position: relative;
    z-index: 1;
    box-shadow: 0 0 0 6px var(--color-white), 0 0 0 8px var(--color-primary-bg);
}

.process-step__title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: .5rem;
}

.process-step__desc {
    font-size: .88rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* 12. CTA SECTION
-------------------------------------------------------------- */
.cta-section {
    padding: var(--section-py) 0;
    background: var(--color-bg);
}

.cta-box {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    color: #fff;
    border-radius: var(--radius-xl);
    padding: clamp(2.5rem, 5vw, 4rem);
    text-align: center;
}

.cta-box__title {
    font-size: clamp(1.4rem, 3vw, 2rem);
    font-weight: 800;
    margin-bottom: 1rem;
}

.cta-box__desc {
    font-size: 1.05rem;
    opacity: .85;
    margin-bottom: 2rem;
    max-width: 520px;
    margin-inline: auto;
}

.cta-box__btn { font-size: 1.2rem; padding: .9rem 2.25rem; }

.cta-box__actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* 13. FOOTER
-------------------------------------------------------------- */
.site-footer {
    background: var(--color-text);
    color: rgba(255,255,255,.8);
    padding: 3.5rem 0 1.5rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 2fr;
    gap: 2.5rem;
    margin-bottom: 2.5rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid rgba(255,255,255,.1);
}

.footer-brand img { filter: brightness(0) invert(1); opacity: .9; margin-bottom: 1rem; }

.footer-tagline {
    font-size: .9rem;
    line-height: 1.6;
    opacity: .7;
}

.footer-heading {
    font-size: .8rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: rgba(255,255,255,.5);
    margin-bottom: 1rem;
}

.footer-list li { margin-bottom: .5rem; }
.footer-list a {
    font-size: .9rem;
    color: rgba(255,255,255,.75);
    transition: color var(--t);
}
.footer-list a:hover { color: #fff; }

.footer-contact address { font-size: .9rem; }
.footer-contact p { margin-bottom: .5rem; }
.footer-contact a { color: rgba(255,255,255,.75); transition: color var(--t); }
.footer-contact a:hover { color: #fff; }

.footer-phone {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-primary-light) !important;
}

.footer-bottom {
    text-align: center;
    font-size: .82rem;
    color: rgba(255,255,255,.4);
}

/* 14. BREADCRUMB
-------------------------------------------------------------- */
.breadcrumb-nav {
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border-light);
    padding: .75rem 0;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: .35rem;
    flex-wrap: wrap;
    list-style: none;
}

.breadcrumb__item {
    display: flex;
    align-items: center;
    gap: .35rem;
    font-size: .85rem;
    color: var(--color-text-muted);
}
.breadcrumb__item a {
    color: var(--color-primary);
    transition: color var(--t);
}
.breadcrumb__item a:hover { color: var(--color-primary-dark); text-decoration: underline; }
.breadcrumb__item--active { color: var(--color-text-secondary); font-weight: 500; }
.breadcrumb__sep { color: var(--color-text-muted); }

/* 15. PAGE HERO (inner pages)
-------------------------------------------------------------- */
.page-hero {
    background: linear-gradient(135deg, var(--color-primary-bg-soft) 0%, var(--color-primary-bg) 100%);
    padding: clamp(2.5rem, 5vw, 4rem) 0;
    text-align: center;
}

.page-hero__title {
    font-size: clamp(1.8rem, 4vw, 2.75rem);
    font-weight: 800;
    color: var(--color-text);
    margin-bottom: .75rem;
    letter-spacing: -.02em;
}

.page-hero__subtitle {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    max-width: 560px;
    margin-inline: auto;
}

/* 16. PRODUCT HERO (product detail pages)
-------------------------------------------------------------- */
.product-hero {
    padding: clamp(2.5rem, 5vw, 4rem) 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border-light);
}

.product-hero__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3.5rem;
    align-items: start;
}

.product-hero__image img {
    width: 100%;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    object-fit: cover;
    aspect-ratio: 5/4;
}

.product-hero__badges {
    display: flex;
    gap: .5rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.product-hero__title {
    font-size: clamp(1.6rem, 3.5vw, 2.4rem);
    font-weight: 800;
    color: var(--color-text);
    margin-bottom: 1rem;
    letter-spacing: -.02em;
}

.product-hero__lead {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.product-hero__specs {
    list-style: none;
    margin-bottom: 2rem;
    display: flex;
    flex-direction: column;
    gap: .6rem;
}
.product-hero__specs li {
    font-size: .92rem;
    color: var(--color-text-secondary);
    display: flex;
    gap: .5rem;
    padding: .5rem .75rem;
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--color-primary);
}
.product-hero__specs li strong { color: var(--color-text); min-width: 90px; }

.product-hero__cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* 17. PRODUCT DETAIL (content area)
-------------------------------------------------------------- */
.product-detail {
    padding: var(--section-py) 0;
    background: var(--color-white);
}

.product-detail__grid {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 3rem;
    align-items: start;
}

.product-detail__main h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    margin: 2rem 0 .75rem;
}
.product-detail__main h2:first-child { margin-top: 0; }

.product-detail__main p {
    color: var(--color-text-secondary);
    line-height: 1.75;
    margin-bottom: 1rem;
}

.content-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: .6rem;
    margin-bottom: 1rem;
}
.content-list li {
    padding-left: 1.5rem;
    position: relative;
    color: var(--color-text-secondary);
    font-size: .95rem;
    line-height: 1.6;
}
.content-list li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
}
.content-list li strong { color: var(--color-text); }

/* Sidebar */
.product-detail__sidebar { position: sticky; top: calc(var(--header-height) + 1.5rem); }

.sidebar-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

.sidebar-card__title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: .75rem;
}

.sidebar-card p { font-size: .9rem; color: var(--color-text-secondary); margin-bottom: 1rem; }

.related-product-link {
    display: flex;
    flex-direction: column;
    gap: .75rem;
    transition: color var(--t);
}
.related-product-link img {
    width: 100%;
    border-radius: var(--radius-md);
    object-fit: cover;
    aspect-ratio: 3/2;
}
.related-product-link span {
    font-size: .9rem;
    font-weight: 600;
    color: var(--color-primary);
}
.related-product-link:hover span { color: var(--color-primary-dark); }

/* 18. FAQ SECTION
-------------------------------------------------------------- */
.faq-section {
    padding: var(--section-py) 0;
    background: var(--color-bg);
}

.faq-list {
    max-width: 820px;
    margin-inline: auto;
    display: flex;
    flex-direction: column;
    gap: .75rem;
}

.faq-item {
    background: #fff;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-xs);
}

.faq-item[open] {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.faq-item__question {
    list-style: none;
    padding: 1.1rem 1.5rem;
    font-weight: 600;
    font-size: .97rem;
    color: var(--color-text);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: color var(--t), background var(--t);
}
.faq-item__question::-webkit-details-marker { display: none; }
.faq-item__question::after {
    content: "+";
    font-size: 1.3rem;
    font-weight: 400;
    color: var(--color-primary);
    flex-shrink: 0;
    margin-left: 1rem;
    transition: transform var(--t);
}
.faq-item[open] .faq-item__question::after { transform: rotate(45deg); }
.faq-item__question:hover { color: var(--color-primary); background: var(--color-primary-bg-soft); }

.faq-item__answer {
    padding: 0 1.5rem 1.25rem;
}
.faq-item__answer p {
    font-size: .92rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* 19. ABOUT PAGE
-------------------------------------------------------------- */
.about-section {
    padding: var(--section-py) 0;
    background: var(--color-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-content h2, .about-values h2 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-text);
    margin: 1.75rem 0 .75rem;
}
.about-content h2:first-child, .about-values h2:first-child { margin-top: 0; }
.about-content p { color: var(--color-text-secondary); line-height: 1.75; margin-bottom: .75rem; }

.values-list { display: flex; flex-direction: column; gap: 1.25rem; }

.value-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    padding: 1.25rem;
    background: var(--color-bg);
    border-radius: var(--radius-md);
}

.value-item__icon { font-size: 1.5rem; flex-shrink: 0; }
.value-item__title { font-size: .95rem; font-weight: 700; color: var(--color-text); margin-bottom: .3rem; }
.value-item p { font-size: .88rem; color: var(--color-text-secondary); line-height: 1.55; margin: 0; }

/* 20. CONTACT PAGE
-------------------------------------------------------------- */
.contact-section {
    padding: var(--section-py) 0;
    background: var(--color-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info h2 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: .75rem;
}
.contact-info > p { color: var(--color-text-secondary); margin-bottom: 2rem; line-height: 1.7; }

.contact-channels { display: flex; flex-direction: column; gap: 1.5rem; }

.contact-channel {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    padding: 1.25rem;
    background: var(--color-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-light);
    transition: border-color var(--t), box-shadow var(--t);
}
.contact-channel:hover { border-color: var(--color-primary); box-shadow: var(--shadow-sm); }

.contact-channel__icon { font-size: 1.5rem; flex-shrink: 0; }
.contact-channel__label { font-size: .78rem; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; color: var(--color-text-muted); margin-bottom: .35rem; }
.contact-channel__value { font-size: .97rem; color: var(--color-text); font-weight: 500; display: block; }
.contact-channel__value--primary { font-size: 1.15rem; font-weight: 700; color: var(--color-primary); }
.contact-channel__note { font-size: .8rem; color: var(--color-text-muted); margin-top: .25rem; }

.contact-cta-card {
    background: var(--color-primary-bg-soft);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 2rem;
    margin-bottom: 2rem;
}
.contact-cta-card__title { font-size: 1.2rem; font-weight: 700; color: var(--color-text); margin-bottom: .75rem; }
.contact-cta-card > p { color: var(--color-text-secondary); font-size: .92rem; margin-bottom: 1.25rem; }

.contact-steps {
    list-style: none;
    counter-reset: step;
    display: flex;
    flex-direction: column;
    gap: .5rem;
    margin-bottom: 1.5rem;
}
.contact-steps li {
    counter-increment: step;
    display: flex;
    align-items: center;
    gap: .75rem;
    font-size: .88rem;
    color: var(--color-text-secondary);
}
.contact-steps li::before {
    content: counter(step);
    background: var(--color-primary);
    color: #fff;
    font-size: .75rem;
    font-weight: 700;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-products h3 { font-size: 1rem; font-weight: 700; color: var(--color-text); margin-bottom: 1rem; }

.contact-product-links { display: flex; flex-direction: column; gap: .75rem; }

.contact-product-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: .75rem;
    background: var(--color-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-light);
    transition: border-color var(--t), box-shadow var(--t);
}
.contact-product-link:hover { border-color: var(--color-primary); box-shadow: var(--shadow-sm); }
.contact-product-link img { width: 80px; height: 60px; object-fit: cover; border-radius: var(--radius-sm); flex-shrink: 0; }
.contact-product-link strong { display: block; font-size: .9rem; color: var(--color-text); margin-bottom: .2rem; }
.contact-product-link span { font-size: .82rem; color: var(--color-primary); }

/* 21. RESPONSIVE — TABLET (max 991px)
-------------------------------------------------------------- */
@media (max-width: 991px) {
    .hero__content { grid-template-columns: 1fr; gap: 2rem; }
    .hero__image { order: -1; max-width: 420px; margin-inline: auto; }
    .hero__text { text-align: center; max-width: 100%; }
    .hero__actions { justify-content: center; }
    .hero__trust { justify-content: center; }

    .features-grid { grid-template-columns: repeat(2, 1fr); }

    .product-hero__grid { grid-template-columns: 1fr; gap: 2rem; }
    .product-hero__image { max-width: 520px; margin-inline: auto; }

    .product-detail__grid { grid-template-columns: 1fr; }
    .product-detail__sidebar { position: static; }

    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }

    .about-grid { grid-template-columns: 1fr; gap: 2rem; }
    .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
}

/* 22. RESPONSIVE — MOBILE (max 640px)
-------------------------------------------------------------- */
@media (max-width: 640px) {
    :root { --header-height: 60px; }

    .nav-toggle { display: flex; }

    .nav-menu {
        display: none;
        position: fixed;
        inset: var(--header-height) 0 0 0;
        background: #fff;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 1rem;
        overflow-y: auto;
        border-top: 1px solid var(--color-border-light);
        box-shadow: var(--shadow-lg);
    }
    .nav-menu.is-open { display: flex; }

    .nav-list { flex-direction: column; align-items: stretch; gap: 0; }

    .nav-link {
        padding: .85rem 1rem;
        font-size: 1rem;
        border-radius: var(--radius-md);
    }
    .nav-link--dropdown-toggle { width: 100%; padding: .85rem 1rem; font-size: 1rem; }

    .nav-dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        border-left: 3px solid var(--color-primary-bg);
        border-radius: 0;
        margin-left: 1rem;
        padding: 0;
        display: none;
        pointer-events: auto;
    }
    .nav-dropdown.is-open { display: block; }
    .nav-dropdown__link { padding: .65rem 1rem; }

    .nav-cta { margin: 1rem 0; justify-content: center; }

    .products-grid { grid-template-columns: 1fr; }
    .product-card__features { grid-template-columns: 1fr; }

    .features-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
    .feature-card { padding: 1.5rem 1rem; }

    .process-steps { grid-template-columns: 1fr; gap: 1.5rem; }
    .process-steps::before { display: none; }
    .process-step { display: flex; align-items: flex-start; text-align: left; gap: 1rem; }
    .process-step__number { margin: 0; flex-shrink: 0; width: 44px; height: 44px; font-size: 1.1rem; }

    .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }

    .hero__actions { flex-direction: column; }
    .product-hero__cta { flex-direction: column; }
}

/* 23. PRINT
-------------------------------------------------------------- */
@media print {
    .site-header, .nav-toggle, .cta-section, .site-footer { display: none; }
    body { font-size: 12pt; }
    a[href]::after { content: " (" attr(href) ")"; }
}

/* 24. REDUCED MOTION
-------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        transition-duration: .01ms !important;
        animation-duration: .01ms !important;
    }
    html { scroll-behavior: auto; }
}