/* ========================================
   TÜRKMEN MÜHENDİSLİK — DESIGN SYSTEM
   White-dominant, sharp corners, photo-heavy
   ======================================== */

/* --- RESET & BASE --- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
:root {
    --white: #FFFFFF; --off-white: #F8F9FA; --light-gray: #E5E7EB;
    --mid-gray: #9CA3AF; --dark-gray: #4A4A4A; --charcoal: #1A1A1A; --black: #0A0A0A;
    --font: 'Inter', -apple-system, sans-serif;
    --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06); --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.1);
}
html { scroll-behavior: smooth; font-size: 16px; overflow-x: hidden; }
body { font-family: var(--font); color: var(--charcoal); background: var(--white); line-height: 1.6; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
body.mobile-menu-open { overflow: hidden; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

/* --- CONTAINER --- */
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.container--narrow { max-width: 860px; }

/* --- ANIMATIONS --- */
.animate-on-scroll { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.animate-on-scroll.animate-in { opacity: 1; transform: translateY(0); }

/* --- BUTTONS --- */
.btn { display: inline-block; padding: 14px 36px; font-family: var(--font); font-size: 0.8rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; border: 2px solid transparent; cursor: pointer; transition: var(--transition); text-align: center; }
.btn--dark { background: var(--black); color: var(--white); border-color: var(--black); }
.btn--dark:hover { background: var(--charcoal); border-color: var(--charcoal); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn--white { background: var(--white); color: var(--black); border-color: var(--white); }
.btn--white:hover { background: transparent; color: var(--white); }
.btn--outline { background: transparent; color: var(--black); border-color: var(--black); }
.btn--outline:hover { background: var(--black); color: var(--white); }
.btn--outline-white { background: transparent; color: var(--white); border-color: var(--white); }
.btn--outline-white:hover { background: var(--white); color: var(--black); }
.btn--lg { padding: 16px 44px; font-size: 0.85rem; }
.btn--full { width: 100%; }

/* ========== ANNOUNCEMENT BAR ========== */
.announcement-bar { background: var(--black); color: var(--white); height: 36px; overflow: hidden; display: flex; align-items: center; width: 100%; border-bottom: 1px solid rgba(255,255,255,0.1); }
.announcement-bar__content { display: flex; width: 100%; }
.announcement-bar__link { display: flex; white-space: nowrap; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; animation: marquee 25s linear infinite; }
.announcement-bar__link:hover { animation-play-state: paused; }
.announcement-bar__link span { padding: 0 40px; }
@keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-33.33%); } }

/* ========== NAVBAR ========== */
.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: rgba(255,255,255,0.95); backdrop-filter: blur(12px); transition: var(--transition); }
.navbar--scrolled { box-shadow: 0 1px 20px rgba(0,0,0,0.08); }
.navbar__container { max-width: 1280px; margin: 0 auto; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; height: 80px; }
.navbar__logo { display: flex; align-items: center; height: 100%; min-width: 0; }
.navbar__logo img { height: 56px; max-height: calc(100% - 14px); width: auto; max-width: 280px; object-fit: contain; }
.navbar__logo-text { font-size: 1.15rem; font-weight: 800; letter-spacing: 0.08em; color: var(--black); }
.navbar__menu { display: flex; gap: 30px; }
.navbar__link { font-size: 0.78rem; font-weight: 600; letter-spacing: 0.1em; color: var(--dark-gray); position: relative; padding: 4px 0; }
.navbar__link::after { content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px; background: var(--black); transition: var(--transition); }
.navbar__link:hover, .navbar__link--active { color: var(--black); }
.navbar__link:hover::after, .navbar__link--active::after { width: 100%; }
.navbar__cta { padding: 10px 28px; font-size: 0.72rem; font-weight: 600; letter-spacing: 0.1em; background: var(--black); color: var(--white); transition: var(--transition); }
.navbar__cta:hover { background: var(--charcoal); transform: translateY(-1px); }
.navbar__hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.navbar__hamburger span { display: block; width: 24px; height: 2px; background: var(--black); transition: var(--transition); }
.navbar__hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.navbar__hamburger.active span:nth-child(2) { opacity: 0; }
.navbar__hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
.mobile-menu__overlay { position: fixed; inset: 0; z-index: 1090; background: rgba(0,0,0,0.45); opacity: 0; pointer-events: none; transition: opacity 0.25s ease; }
.mobile-menu__overlay.active { opacity: 1; pointer-events: auto; }
.mobile-menu { position: fixed; top: 0; left: 0; bottom: 0; z-index: 1100; width: 86vw; max-width: 360px; height: 100vh; background: var(--white); display: flex; flex-direction: column; padding: 0; box-shadow: var(--shadow-lg); transform: translate3d(-100%, 0, 0); visibility: hidden; pointer-events: none; transition: transform 0.28s ease, visibility 0.28s ease; overflow-y: auto; overscroll-behavior: contain; }
.mobile-menu.active { transform: translate3d(0, 0, 0); visibility: visible; pointer-events: auto; }
.mobile-menu__header { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 20px; border-bottom: 1px solid var(--light-gray); }
.mobile-menu__brand { min-width: 0; display: flex; align-items: center; }
.mobile-menu__brand img { height: 44px; width: auto; max-width: 220px; object-fit: contain; }
.mobile-menu__brand span { font-size: 0.9rem; font-weight: 800; letter-spacing: 0.06em; color: var(--black); overflow-wrap: anywhere; }
.mobile-menu__close { flex: 0 0 auto; width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; background: var(--off-white); border: 1px solid var(--light-gray); color: var(--black); font-size: 1.7rem; line-height: 1; cursor: pointer; transition: var(--transition); }
.mobile-menu__close:hover { background: var(--black); border-color: var(--black); color: var(--white); }
.mobile-menu__nav { display: flex; flex-direction: column; padding: 8px 20px 0; }
.mobile-menu__link { padding: 18px 0; font-size: 0.86rem; font-weight: 700; letter-spacing: 0.08em; color: var(--dark-gray); border-bottom: 1px solid var(--light-gray); }
.mobile-menu__link:hover, .mobile-menu__link--active { color: var(--black); }
.mobile-menu__cta { margin: auto 20px 24px; padding: 14px; text-align: center; background: var(--black); color: var(--white); font-size: 0.8rem; font-weight: 700; letter-spacing: 0.08em; }

/* ========== HERO ========== */
.hero { position: relative; height: 100vh; min-height: 600px; overflow: hidden; }
.hero__slide { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: 0; transition: opacity 1s ease, transform 6s ease; transform: scale(1.05); display: flex; align-items: center; justify-content: center; }
.hero__slide--active { opacity: 1; transform: scale(1); }
.hero__overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0,0,0,0.78), rgba(0,0,0,0.44) 52%, rgba(0,0,0,0.66)), linear-gradient(to bottom, rgba(0,0,0,0.08), rgba(0,0,0,0.72)); }
.hero__content-wrapper { position: relative; z-index: 2; width: 100%; max-width: 1000px; padding: 60px 40px; display: flex; align-items: center; justify-content: center; }
.hero__content { position: relative; text-align: center; max-width: 800px; padding: 60px 40px; }
.hero__title { font-size: clamp(2.5rem, 6vw, 4.5rem); font-weight: 900; color: var(--white); letter-spacing: 0.06em; line-height: 1.1; margin-bottom: 24px; text-transform: uppercase; }
.hero__subtitle { font-size: clamp(1.1rem, 2vw, 1.4rem); color: rgba(255,255,255,0.9); font-weight: 300; letter-spacing: 0.08em; margin-bottom: 40px; text-transform: uppercase; }
.hero__nav { position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%); z-index: 10; display: flex; gap: 12px; }
.hero__dot { width: 50px; height: 2px; background: rgba(255,255,255,0.3); border: none; cursor: pointer; transition: var(--transition); }
.hero__dot--active { background: var(--white); }
.hero__side-text { position: absolute; left: 40px; top: 50%; transform: translateY(-50%) rotate(-90deg); transform-origin: left center; z-index: 10; color: rgba(255,255,255,0.5); font-size: 0.75rem; font-weight: 700; letter-spacing: 0.4em; }
.hero__scroll { position: absolute; right: 40px; bottom: 0; z-index: 10; display: flex; flex-direction: column; align-items: center; gap: 16px; }
.hero__scroll-text { color: rgba(255,255,255,0.5); font-size: 0.65rem; font-weight: 700; letter-spacing: 0.2em; writing-mode: vertical-rl; transform: rotate(180deg); }
.hero__scroll-line { width: 1px; height: 80px; background: rgba(255,255,255,0.2); position: relative; overflow: hidden; }
.hero__scroll-line::after { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 50%; background: var(--white); animation: scrollLine 2s ease-in-out infinite; }
@keyframes scrollLine { 0% { transform: translateY(-100%); } 100% { transform: translateY(200%); } }

/* ========== SECTIONS ========== */
.section { padding: 100px 0; }
.section--white { background: var(--white); }
.section--light { background: var(--off-white); }
.section__header { text-align: center; margin-bottom: 60px; }
.section__label { display: block; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.2em; color: var(--mid-gray); text-transform: uppercase; margin-bottom: 12px; }
.section__title { font-size: clamp(1.8rem, 3vw, 2.8rem); font-weight: 800; color: var(--black); letter-spacing: -0.01em; line-height: 1.2; }
.section__text { font-size: 1.05rem; color: var(--dark-gray); line-height: 1.8; margin-top: 16px; max-width: 600px; }
.section__footer { text-align: center; margin-top: 48px; }

/* ========== ABOUT PREVIEW ========== */
.about-preview { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-preview__image img { width: 100%; height: 500px; object-fit: cover; }
.about-preview__placeholder { width: 100%; height: 500px; background: var(--light-gray); }
.about-preview__content .section__text { margin-top: 20px; margin-bottom: 32px; }

/* ========== PRODUCTS GRID ========== */
.products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 24px; }
.product-card { display: block; background: var(--white); border: 1px solid var(--light-gray); overflow: hidden; transition: var(--transition); }
.product-card:hover { box-shadow: var(--shadow-lg); border-color: var(--black); }
.product-card__image-wrapper { position: relative; overflow: hidden; aspect-ratio: 4/3; background: var(--off-white); }
.product-card__image { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.product-card__placeholder { width: 100%; height: 100%; background: var(--light-gray); }
.product-card__badge { position: absolute; top: 12px; left: 12px; background: var(--black); color: var(--white); padding: 4px 14px; font-size: 0.65rem; font-weight: 700; letter-spacing: 0.1em; }
.product-card__content { padding: 20px; }
.product-card__category { font-size: 0.68rem; font-weight: 600; letter-spacing: 0.12em; color: var(--mid-gray); text-transform: uppercase; }
.product-card__title { font-size: 1.05rem; font-weight: 700; color: var(--black); margin-top: 6px; line-height: 1.3; }
.product-card__desc { font-size: 0.85rem; color: var(--dark-gray); margin-top: 8px; line-height: 1.5; }
.product-card__footer { display: flex; justify-content: space-between; align-items: center; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--light-gray); }
.product-card__old-price { font-size: 0.8rem; color: var(--mid-gray); text-decoration: line-through; margin-right: 8px; }
.product-card__current-price { font-size: 1.1rem; font-weight: 800; color: var(--black); }
.product-card__call { font-size: 0.78rem; font-weight: 600; color: var(--dark-gray); }
.product-card__detail { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em; color: var(--black); text-transform: uppercase; }

/* ========== STATS ========== */
.stats { position: relative; background-size: cover; background-position: center; background-color: var(--black); padding: 80px 0; }
.stats__overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(0,0,0,0.82), rgba(0,0,0,0.58)); }
.stats__container { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stats__item { padding: 32px; }
.stat-number { font-size: clamp(2.5rem, 4vw, 3.5rem); font-weight: 800; color: var(--white); display: block; }
.stats__label { font-size: 0.78rem; font-weight: 500; letter-spacing: 0.12em; color: rgba(255,255,255,0.7); text-transform: uppercase; margin-top: 8px; display: block; }

/* ========== GALLERY ========== */
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; }
.gallery-grid__item { position: relative; overflow: hidden; aspect-ratio: 4/3; cursor: pointer; }
.gallery-grid__item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.gallery-grid__item:hover img { transform: scale(1.08); }
.gallery-grid__overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.5); display: flex; align-items: center; justify-content: center; opacity: 0; transition: var(--transition); }
.gallery-grid__item:hover .gallery-grid__overlay { opacity: 1; }
.gallery-grid__overlay span { color: var(--white); font-size: 0.85rem; font-weight: 600; letter-spacing: 0.08em; }

/* ========== CTA ========== */
.cta { background: var(--black); padding: 100px 0; }
.cta__content { text-align: center; max-width: 600px; margin: 0 auto; }
.cta__title { font-size: clamp(1.8rem, 3vw, 2.5rem); font-weight: 800; color: var(--white); line-height: 1.2; margin-bottom: 16px; }
.cta__text { font-size: 1rem; color: rgba(255,255,255,0.7); margin-bottom: 32px; }
.cta__buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ========== PAGE BANNER ========== */
.page-banner { position: relative; height: 340px; display: flex; align-items: center; justify-content: center; background: var(--black); background-size: cover; background-position: center; margin-top: 80px; }
.page-banner__overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0,0,0,0.72), rgba(0,0,0,0.42)); }
.page-banner .container { position: relative; z-index: 2; text-align: center; }
.page-banner__title { font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; color: var(--white); letter-spacing: 0.04em; text-transform: uppercase; }
.page-banner__subtitle { font-size: 1rem; color: rgba(255,255,255,0.7); margin-top: 8px; letter-spacing: 0.04em; }

/* ========== CATEGORY FILTER ========== */
.category-filter { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 40px; justify-content: center; }
.category-filter__btn { padding: 10px 24px; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.08em; border: 1px solid var(--light-gray); color: var(--dark-gray); transition: var(--transition); }
.category-filter__btn:hover, .category-filter__btn--active { background: var(--black); color: var(--white); border-color: var(--black); }

/* ========== PRODUCT DETAIL ========== */
.product-detail { padding-top: 120px; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 0.8rem; color: var(--mid-gray); margin-bottom: 40px; flex-wrap: wrap; }
.breadcrumb a:hover { color: var(--black); }
.breadcrumb__current { color: var(--black); font-weight: 600; }
.product-detail__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.product-detail__main-image { aspect-ratio: 4/3; overflow: hidden; background: var(--off-white); border: 1px solid var(--light-gray); }
.product-detail__main-image img { width: 100%; height: 100%; object-fit: cover; }
.product-detail__thumbs { display: flex; gap: 8px; margin-top: 12px; }
.product-detail__thumb { width: 80px; height: 60px; overflow: hidden; border: 2px solid var(--light-gray); cursor: pointer; transition: var(--transition); }
.product-detail__thumb--active { border-color: var(--black); }
.product-detail__thumb img { width: 100%; height: 100%; object-fit: cover; }
.product-detail__category { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.12em; color: var(--mid-gray); text-transform: uppercase; }
.product-detail__title { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; color: var(--black); margin-top: 8px; line-height: 1.2; }
.product-detail__short-desc { font-size: 1rem; color: var(--dark-gray); margin-top: 16px; line-height: 1.7; }
.product-detail__price-block { margin-top: 24px; display: flex; align-items: baseline; gap: 12px; }
.product-detail__old-price { font-size: 1.1rem; color: var(--mid-gray); text-decoration: line-through; }
.product-detail__price { font-size: 1.8rem; font-weight: 800; color: var(--black); }
.product-detail__features { margin-top: 32px; }
.product-detail__features h3 { font-size: 0.85rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 16px; }
.features-table { width: 100%; border-collapse: collapse; }
.features-table tr { border-bottom: 1px solid var(--light-gray); }
.features-table td { padding: 10px 0; font-size: 0.9rem; }
.features-table td:first-child { font-weight: 600; color: var(--black); width: 45%; }
.features-table td:last-child { color: var(--dark-gray); }
.product-detail__actions { margin-top: 32px; display: flex; gap: 12px; flex-wrap: wrap; }
.product-detail__description { margin-top: 60px; padding-top: 40px; border-top: 1px solid var(--light-gray); }
.product-detail__description h2 { font-size: 1.3rem; font-weight: 700; margin-bottom: 20px; }
.prose { font-size: 1rem; line-height: 1.8; color: var(--dark-gray); }
.prose h2, .prose h3 { color: var(--black); margin-top: 24px; margin-bottom: 12px; }
.prose p { margin-bottom: 16px; }
.prose ul, .prose ol { margin: 16px 0; padding-left: 24px; }
.prose li { margin-bottom: 8px; }

/* ========== CONTACT ========== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.contact-form__title, .contact-info__title { font-size: 1.4rem; font-weight: 700; margin-bottom: 24px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.78rem; font-weight: 600; letter-spacing: 0.06em; color: var(--dark-gray); margin-bottom: 6px; text-transform: uppercase; }
.form-group input, .form-group textarea { width: 100%; padding: 14px 16px; border: 1px solid var(--light-gray); font-family: var(--font); font-size: 0.95rem; color: var(--black); background: var(--white); transition: var(--transition); outline: none; }
.form-group input:focus, .form-group textarea:focus { border-color: var(--black); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-error { font-size: 0.78rem; color: #dc2626; margin-top: 4px; display: block; }
.alert { padding: 14px 20px; margin-bottom: 20px; font-size: 0.9rem; }
.alert--success { background: #f0fdf4; border: 1px solid #bbf7d0; color: #166534; }
.contact-info__item { margin-bottom: 24px; }
.contact-info__item h4 { font-size: 0.78rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--mid-gray); margin-bottom: 6px; }
.contact-info__item p { font-size: 1rem; color: var(--charcoal); }
.contact-info__item a:hover { color: var(--black); text-decoration: underline; }
.contact-info__map { margin-top: 24px; }
.contact-info__map iframe { width: 100%; height: 300px; border: 1px solid var(--light-gray); }
.products-empty { grid-column: 1 / -1; text-align: center; padding: 60px; color: var(--mid-gray); }

/* ========== FOOTER ========== */
.footer { background: var(--charcoal); color: rgba(255,255,255,0.8); padding: 80px 0 0; }
.footer__container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
.footer__title { font-size: 1.2rem; font-weight: 800; color: var(--white); letter-spacing: 0.04em; margin-bottom: 16px; }
.footer__text { font-size: 0.9rem; line-height: 1.7; }
.footer__heading { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.14em; color: var(--white); text-transform: uppercase; margin-bottom: 20px; }
.footer__links li { margin-bottom: 10px; }
.footer__links a { font-size: 0.9rem; color: rgba(255,255,255,0.6); }
.footer__links a:hover { color: var(--white); }
.footer__contact li { font-size: 0.9rem; margin-bottom: 10px; }
.footer__contact a:hover { color: var(--white); }
.footer__social { display: flex; flex-direction: column; gap: 10px; }
.footer__social-link { font-size: 0.9rem; color: rgba(255,255,255,0.6); }
.footer__social-link:hover { color: var(--white); }
.footer__bottom { margin-top: 60px; padding: 24px 0; border-top: 1px solid rgba(255,255,255,0.1); text-align: center; font-size: 0.8rem; color: rgba(255,255,255,0.4); }

/* ========== WHATSAPP WIDGET ========== */
.whatsapp-widget { position: fixed; bottom: 28px; right: 28px; z-index: 999; display: flex; align-items: flex-end; gap: 16px; pointer-events: none; }
.whatsapp-widget > * { pointer-events: auto; }
.whatsapp-tooltip { background: var(--white); padding: 12px 16px; border-radius: 8px; box-shadow: var(--shadow-lg); font-size: 0.85rem; font-weight: 600; color: var(--black); position: relative; display: flex; align-items: center; gap: 12px; animation: tooltipBounce 2s infinite; cursor: pointer; }
.whatsapp-tooltip::after { content: ''; position: absolute; right: -6px; bottom: 16px; width: 12px; height: 12px; background: var(--white); transform: rotate(45deg); }
.whatsapp-tooltip-close { font-size: 1.2rem; line-height: 1; cursor: pointer; color: var(--mid-gray); transition: var(--transition); }
.whatsapp-tooltip-close:hover { color: var(--black); }
@keyframes tooltipBounce { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-5px); } }
.whatsapp-fab { position: static; width: 60px; height: 60px; background: #25D366; color: var(--white); display: flex; align-items: center; justify-content: center; border-radius: 50%; box-shadow: 0 4px 20px rgba(37,211,102,0.4); transition: var(--transition); flex-shrink: 0; border: none; cursor: pointer; }
.whatsapp-fab:hover { transform: scale(1.1); box-shadow: 0 6px 28px rgba(37,211,102,0.5); }
.whatsapp-fab svg { width: 28px; height: 28px; }

/* ========== ACCORDION ========== */
.accordion { border-top: 1px solid var(--light-gray); margin-top: 40px; }
.accordion__item { border-bottom: 1px solid var(--light-gray); }
.accordion__button { width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 24px 0; background: none; border: none; font-size: 1.1rem; font-weight: 700; color: var(--black); cursor: pointer; text-align: left; transition: var(--transition); }
.accordion__button:hover { color: var(--dark-gray); }
.accordion__icon { flex: 0 0 20px; width: 20px; height: 20px; transition: transform 0.3s ease; }
.accordion__item.active .accordion__icon { transform: rotate(180deg); }
.accordion__content { max-height: 0; overflow: hidden; transition: max-height 0.3s ease-out; }
.accordion__content p { padding-bottom: 24px; color: var(--dark-gray); line-height: 1.7; }

/* ========== WIZARD & TESTIMONIALS ========== */
.ac-wizard { background: var(--white); padding: 60px; box-shadow: var(--shadow-lg); margin-top: -80px; position: relative; z-index: 10; border: 1px solid var(--light-gray); }
.ac-wizard__header { text-align: center; margin-bottom: 40px; }
.ac-wizard__title { font-size: clamp(1.8rem, 3vw, 2.5rem); font-weight: 800; color: var(--black); line-height: 1.2; margin: 12px 0; text-transform: uppercase; }
.ac-wizard__desc { font-size: 1.05rem; color: var(--dark-gray); }
.ac-wizard__cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-bottom: 40px; }
.ac-wizard__card input { display: none; }
.ac-wizard__card-inner { background: var(--white); border: 1px solid var(--light-gray); padding: 40px 20px; text-align: center; cursor: pointer; transition: var(--transition); height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.ac-wizard__card-inner h4 { font-size: 1.2rem; font-weight: 800; color: var(--black); margin-bottom: 8px; }
.ac-wizard__card-inner p { font-size: 0.9rem; color: var(--dark-gray); }
.ac-wizard__card:hover .ac-wizard__card-inner { box-shadow: var(--shadow-lg); border-color: var(--black); }
.ac-wizard__card input:checked + .ac-wizard__card-inner { border: 2px solid var(--black); padding: 39px 19px; box-shadow: var(--shadow-md); background: #fafafa; }
.ac-wizard__actions { text-align: center; }

.ac-wizard-results-drawer {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.8s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.5s ease, padding 0.3s ease, margin 0.3s ease;
}
.ac-wizard-results-drawer.is-open {
    max-height: 4000px;
    opacity: 1;
    padding-top: 50px;
    margin-top: 40px;
    border-top: 1px solid var(--light-gray);
}

.testimonials-slider { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; gap: 24px; padding-bottom: 24px; scrollbar-width: none; }
.testimonials-slider::-webkit-scrollbar { display: none; }
.testimonial-card { min-width: 300px; scroll-snap-align: start; background: var(--white); padding: 32px; border: 1px solid var(--light-gray); flex-shrink: 0; }
.testimonial-card__rating { color: #F59E0B; margin-bottom: 16px; display: flex; gap: 4px; }
.testimonial-card__rating svg { width: 20px; height: 20px; }
.testimonial-card__text { font-size: 0.95rem; color: var(--dark-gray); line-height: 1.7; font-style: italic; margin-bottom: 24px; }
.testimonial-card__author { font-size: 0.85rem; font-weight: 700; color: var(--black); letter-spacing: 0.05em; text-transform: uppercase; }

/* ========== PAGINATION ========== */
.pagination-wrapper { margin-top: 48px; display: flex; justify-content: center; }
.pagination-wrapper nav { display: flex; gap: 4px; }
.pagination-wrapper a, .pagination-wrapper span { padding: 10px 16px; font-size: 0.85rem; border: 1px solid var(--light-gray); color: var(--dark-gray); transition: var(--transition); }
.pagination-wrapper a:hover { background: var(--black); color: var(--white); border-color: var(--black); }
.pagination-wrapper span[aria-current] { background: var(--black); color: var(--white); border-color: var(--black); }

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
    .about-preview { grid-template-columns: 1fr; gap: 32px; }
    .about-preview__image img, .about-preview__placeholder { height: 360px; }
    .stats__container { grid-template-columns: repeat(2, 1fr); }
    .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .product-detail__grid { grid-template-columns: 1fr; gap: 32px; }
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .ac-wizard__cards { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .navbar__menu, .navbar__cta { display: none; }
    .navbar__hamburger { display: flex; }
    .hero { height: 80vh; min-height: 480px; }
    .hero__title { font-size: 2rem; }
    .section { padding: 60px 0; }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
    .products-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .stats__container { grid-template-columns: 1fr 1fr; gap: 16px; }
    .footer__grid { grid-template-columns: 1fr; gap: 24px; }
    .page-banner { height: 260px; }
    .cta__buttons { flex-direction: column; align-items: center; }
    .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
    .products-grid { grid-template-columns: 1fr; }
    .gallery-grid { grid-template-columns: 1fr; }
    .stats__container { grid-template-columns: 1fr; }
    .product-detail__actions { flex-direction: column; }
    .product-detail__actions .btn { width: 100%; }
}

/* ========== ABOUT PAGE ========== */
.about-story { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-story__content { padding-right: 20px; }
.about-story__img-main img { width: 100%; height: 500px; object-fit: cover; }
@media (max-width: 992px) {
    .about-story { grid-template-columns: 1fr; gap: 40px; }
    .about-story__content { padding-right: 0; }
    .about-story__img-main img { height: 400px; }
}

.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-top: 40px; }
.value-card { background: var(--white); border: 1px solid var(--light-gray); padding: 40px; text-align: center; transition: var(--transition); }
.value-card:hover { box-shadow: var(--shadow-lg); border-color: var(--black); transform: translateY(-5px); }
.value-card__icon { display: inline-flex; align-items: center; justify-content: center; width: 80px; height: 80px; background: var(--off-white); border-radius: 50%; margin-bottom: 24px; color: var(--black); }
.value-card__icon svg { width: 32px; height: 32px; }
.value-card h3 { font-size: 1.25rem; font-weight: 800; margin-bottom: 16px; color: var(--black); }
.value-card p { color: var(--dark-gray); line-height: 1.6; font-size: 0.95rem; }
@media (max-width: 992px) {
    .values-grid { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
}

.brands-marquee { overflow: hidden; white-space: nowrap; padding: 20px 0; position: relative; }
.brands-marquee::before, .brands-marquee::after { content: ''; position: absolute; top: 0; width: 100px; height: 100%; z-index: 2; }
.brands-marquee::before { left: 0; background: linear-gradient(to right, var(--white), transparent); }
.brands-marquee::after { right: 0; background: linear-gradient(to left, var(--white), transparent); }
.brands-track { display: inline-block; animation: marquee 30s linear infinite; }
.brands-track span { display: inline-block; margin: 0 40px; font-size: 1.5rem; font-weight: 800; color: var(--mid-gray); text-transform: uppercase; letter-spacing: 2px; }
@keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* ========== MOBILE-FIRST RESPONSIVE PASS ========== */
@media (max-width: 768px) {
    .container,
    .footer__container {
        max-width: 100%;
        padding-left: 16px;
        padding-right: 16px;
    }

    .announcement-bar {
        height: 32px;
        min-height: 32px;
    }

    .announcement-bar__link {
        font-size: 0.64rem;
        letter-spacing: 0.08em;
    }

    .announcement-bar__link span {
        padding: 0 20px;
    }

    .navbar__container {
        height: 64px;
        padding-left: 16px;
        padding-right: 16px;
    }

    .navbar__logo {
        min-width: 0;
        max-width: calc(100vw - 88px);
    }

    .navbar__logo img {
        height: 46px;
        max-height: calc(100% - 10px);
        max-width: 230px;
        object-fit: contain;
    }

    .navbar__logo-text {
        display: block;
        font-size: 0.9rem;
        letter-spacing: 0.04em;
        overflow-wrap: anywhere;
        line-height: 1.15;
    }

    .navbar__hamburger {
        width: 44px;
        height: 44px;
        align-items: center;
        justify-content: center;
        padding: 0;
        flex-shrink: 0;
    }

    .navbar__hamburger span {
        width: 24px;
        flex: 0 0 2px;
    }

    .navbar__hamburger.active {
        opacity: 0;
        pointer-events: none;
    }

    .hero {
        min-height: 520px;
        height: 86svh;
    }

    .hero__content-wrapper {
        padding: 32px 16px;
    }

    .hero__content {
        max-width: 100%;
        padding: 32px 0;
    }

    .hero__title {
        font-size: clamp(1.85rem, 10vw, 3rem);
        letter-spacing: 0.025em;
        line-height: 1.08;
        overflow-wrap: anywhere;
    }

    .hero__subtitle {
        font-size: clamp(0.95rem, 4vw, 1.1rem);
        letter-spacing: 0.04em;
        margin-bottom: 28px;
    }

    .hero__side-text,
    .hero__scroll {
        display: none;
    }

    .hero__nav {
        bottom: 24px;
        width: calc(100% - 32px);
        justify-content: center;
    }

    .hero__dot {
        width: 34px;
    }

    .btn {
        width: 100%;
        max-width: 320px;
        padding: 13px 20px;
        font-size: 0.76rem;
        letter-spacing: 0.08em;
        white-space: normal;
    }

    .btn--lg {
        padding: 14px 22px;
    }

    .section {
        padding: 56px 0;
    }

    .section__header {
        margin-bottom: 32px;
    }

    .section__label {
        letter-spacing: 0.12em;
    }

    .section__title,
    .cta__title,
    .ac-wizard__title {
        font-size: clamp(1.55rem, 7vw, 2.2rem);
        overflow-wrap: anywhere;
    }

    .section__text,
    .cta__text,
    .ac-wizard__desc {
        font-size: 0.96rem;
        line-height: 1.7;
    }

    .about-preview,
    .about-story,
    .contact-grid,
    .product-detail__grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .about-preview__image img,
    .about-preview__placeholder,
    .about-story__img-main img {
        height: auto;
        aspect-ratio: 4 / 3;
        object-fit: cover;
    }

    .products-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .product-card__image {
        object-fit: contain;
        padding: 14px;
        background: var(--white);
    }

    .product-card__content {
        padding: 18px;
    }

    .product-card__title,
    .product-card__desc,
    .product-card__call,
    .product-detail__title,
    .product-detail__short-desc,
    .prose,
    .footer__text,
    .footer__contact li {
        overflow-wrap: anywhere;
    }

    .product-card__footer {
        align-items: flex-start;
        gap: 12px;
    }

    .product-card__detail {
        flex: 0 0 auto;
        white-space: nowrap;
    }

    .stats {
        padding: 56px 0;
    }

    .stats__container,
    .gallery-grid,
    .values-grid,
    .ac-wizard__cards {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .stats__item,
    .value-card {
        padding: 24px 18px;
    }

    .cta {
        padding: 64px 0;
    }

    .cta__buttons,
    .product-detail__actions,
    .ac-wizard__actions {
        flex-direction: column;
        align-items: stretch;
    }

    .cta__buttons .btn,
    .product-detail__actions .btn,
    .ac-wizard__actions .btn {
        max-width: none;
    }

    .page-banner {
        height: 220px;
        margin-top: 64px;
        padding: 0 16px;
    }

    .page-banner__title {
        font-size: clamp(1.65rem, 9vw, 2.25rem);
        letter-spacing: 0.03em;
        overflow-wrap: anywhere;
    }

    .page-banner__subtitle {
        font-size: 0.92rem;
        overflow-wrap: anywhere;
    }

    .category-filter {
        flex-wrap: nowrap;
        justify-content: flex-start;
        gap: 8px;
        overflow-x: auto;
        margin-left: -16px;
        margin-right: -16px;
        padding: 0 16px 10px;
        scrollbar-width: none;
    }

    .category-filter::-webkit-scrollbar {
        display: none;
    }

    .category-filter__btn {
        flex: 0 0 auto;
        padding: 10px 16px;
        font-size: 0.72rem;
        letter-spacing: 0.05em;
        white-space: nowrap;
    }

    .product-detail {
        padding-top: 96px;
    }

    .breadcrumb {
        gap: 6px;
        font-size: 0.74rem;
        margin-bottom: 24px;
    }

    .product-detail__main-image {
        aspect-ratio: 1 / 1;
    }

    .product-detail__main-image img {
        object-fit: contain;
        padding: 18px;
        background: var(--white);
    }

    .product-detail__thumbs {
        overflow-x: auto;
        padding-bottom: 6px;
        scrollbar-width: none;
    }

    .product-detail__thumbs::-webkit-scrollbar {
        display: none;
    }

    .product-detail__thumb {
        width: 72px;
        height: 56px;
        flex: 0 0 auto;
    }

    .product-detail__thumb img {
        object-fit: contain;
        padding: 4px;
        background: var(--white);
    }

    .product-detail__price-block {
        align-items: flex-start;
        flex-direction: column;
        gap: 4px;
    }

    .product-detail__features {
        margin-top: 24px;
    }

    .features-table,
    .features-table tbody,
    .features-table tr,
    .features-table td {
        display: block;
        width: 100%;
    }

    .features-table tr {
        padding: 12px 0;
    }

    .features-table td {
        padding: 0;
        font-size: 0.9rem;
        line-height: 1.55;
    }

    .features-table td:first-child {
        width: 100%;
        margin-bottom: 3px;
    }

    .product-detail__description {
        margin-top: 40px;
        padding-top: 28px;
    }

    .prose ul,
    .prose ol {
        padding-left: 18px;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .contact-info__map iframe {
        height: 260px;
    }

    .products-empty {
        padding: 36px 18px;
    }

    .footer {
        padding-top: 56px;
    }

    .footer__grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .footer__bottom {
        margin-top: 36px;
    }

    .whatsapp-widget {
        right: 16px;
        bottom: 16px;
    }

    .whatsapp-tooltip {
        display: none;
    }

    .whatsapp-fab {
        width: 54px;
        height: 54px;
    }

    .ac-wizard {
        margin-top: -48px;
        padding: 28px 16px;
    }

    .ac-wizard__header {
        margin-bottom: 24px;
    }

    .ac-wizard__card-inner {
        padding: 28px 16px;
    }

    .ac-wizard__card input:checked + .ac-wizard__card-inner {
        padding: 27px 15px;
    }

    .testimonial-card {
        min-width: min(86vw, 320px);
        padding: 24px;
    }

    .pagination-wrapper {
        overflow-x: auto;
        justify-content: flex-start;
        padding-bottom: 8px;
    }
}

@media (min-width: 481px) and (max-width: 768px) {
    .products-grid,
    .gallery-grid,
    .values-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 769px) {
    .mobile-menu,
    .mobile-menu__overlay {
        display: none;
    }
}